• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a mobile solid fuel firing system (2) having a heat exchanger (4), a combustion chamber (6), an outer housing (12) which surrounds the heat exchanger (6) and the combustion chamber (4), a flue gas feed (26) from the combustion chamber (4) to the hot side of the heat exchanger (6) and to an ambient air duct (32) having an ambient air supply from an ambient air inlet (34) of the outer housing (12) to the cold side of the heat exchanger (6) and an ambient air discharge from the cold side of the heat exchanger (6) to a hot air outlet (36) in the outer housing (12) and a fan (20) for driving ambient air through the cold side of the heat exchanger (6). In order to achieve a relatively lightweight mobile solid fuel firing system (2) with which safe operation is ensured, it is proposed that the solid fuel firing system (2) comprise an inner casing (52) within the outer casing (12) comprising a plurality of electrical units.
    公开号:AT14751U1
    申请号:TGM441/2014U
    申请日:2014-12-17
    公开日:2016-05-15
    发明作者:
    申请人:Lasco Heutechnik Gmbh；
    IPC主号:
    专利说明:

    Description: The invention relates to a mobile solid fuel firing system having a heat exchanger, a combustion chamber, an outer housing which surrounds the heat exchanger and the combustion chamber, a flue gas feed from the combustion chamber to the hot side of the heat exchanger and with an ambient air duct, which has a Ambient air supply from an ambient air inlet of the outer housing to the cold side of the heat exchanger and a Umge¬bungsluftabführung from the cold side of the heat exchanger to a hot air outlet in the Au¬ßengehäuse and a fan for driving ambient air through the cold side of the heat exchanger comprises.
    The weight of a mobile solid fuel firing plant is an important criterion for the handling of the transport on the one hand and for their solidity, since at a very high weight by the shaking and hitting the transport large forces occur within the plant.
    It is an object of the present invention to provide a relatively lightweight mobile solid fuel combustion system, with which a safe operation is ensured.
    This object is achieved by a mobile solid fuel firing system of the type mentioned above, which according to the invention comprises an inner housing within the outer housing, which comprises a plurality of electrical units.
    The invention is based on the consideration that good thermal insulation of the combustion chamber leads to the outside, that the heat generated in the combustion chamber must be transferred substantially completely in the heat exchanger to the cooling air. Hierzumuss be carried out relatively large heat exchanger. A smaller version of the heat exchanger combined with a weight saving is possible if the thermal insulation of the combustion chamber is dispensed with and the cooling air is expediently passed through the heat exchanger in countercurrent operation and then around the combustion chamber and at the hot end Walls of the combustion chamber is heated further.
    However, this has the disadvantage that substantially in the entire part of the outer housing, in which the cooling air flow is downstream of the heat exchanger, a high temperature prevails. In this area, however, are expediently elektri¬sche aggregates that are useful or necessary for the operation of the combustion chamber, since they should be located in the vicinity of the combustion chamber. To protect this electrical assembly, the invention contemplates the inner housing that is within the outer housing and at least partially surrounds the electrical assemblies. In any event, the electrical units can be partially protected from the heat within the outer housing, so they remain cooler and their service life increases, so that the mobile solid fuel firing system can be operated more reliably.
    The firing system is a mobile firing system, which is thus intended to be transported by means of a vehicle to its place of use, operated there and later operated again at another place of use. For this purpose, the combustion plant expediently comprises a load-bearing construction and a lifting element, which is prepared to lift the entire furnace by means of a lifting device on the lifting element. The lifting element may be an insert for a forklift, an upper attachment for a cable suspension of a crane or the like, so that the firing system can be raised and placed, for example, on a loading area. In particular, insertion for standardized forks of a forklift are advantageous. The supporting structure conveniently comprises a support frame with supports to which side walls are fixed like a box. It is also possible that the carriers are formed by folds of housing forming wall plates.
    In order to achieve a lighter movement of the firing system on site, it is vorteil¬haft when the firing system has its own drive unit with wheels. Practical are four wheels. For a safe stand during operation wheels are only on one side of the plant, e.g. two wheels, sufficient, connected to a non-rolling support unit, e.g. a wheelless support foot. With one or more handles, such as a bracket on the ambient air inlet side, the furnace can easily be moved manually.
    The solid fuel burning plant is suitably a prepared for the combustion of a biofuel furnace, ie a non-fossil fuel. Particularly advantageous is a wood-burning plant for operation with, for example, wood chips or pellets. Accordingly, the solid fuel burner is made to burn solid, especially wood, and includes a fuel supply with an automatic feed unit for automatically feeding fuel into the combustion chamber, e.g. on the burning floor. A feed motor of the feed unit can be controlled by a control unit, in particular as a function of a combustion parameter, such as the combustion temperature, the exhaust gas temperature and / or the hot air temperature.
    The heat exchanger is suitably a gas-gas heat exchanger with a Hißißseite, through which the hot flue gas is guided during operation of the mobile solid fuel combustion system, and a cold side through which, for example, ambient air from the environment of the solid fuel combustion system is heated and there. Subsequently, the hot air from the furnace can be blown into the environment or an air hose.
    The combustion chamber is suitably lined with combustion stone blocks, spielsweise fireclay bricks, to allow a high flue gas temperature in the combustion chamber and thus a low-emission combustion. The firebrick lining can at least laterally surround the blazing area. The combustion chamber comprises the hearth, which forms an area on which combustion in the combustion chamber takes place during operation of the furnace.
    The ambient air duct can lead from an ambient air inlet in the outer casing of the firing system through an ambient air supply and further through the cold side of the heat exchanger, through an ambient air discharge to a hot air outlet in the outer casing of the firing plant. In the ambient air inlet - or at a distance to a blower radius - the ambient air blower is expediently arranged, which pushes the ambient air into and out of the housing of the firing system. The ambient air duct passes through the heat exchanger and in particular also at least laterally around the combustion chamber in order to cool it as well. The ambient air inlet and the hot air outlet are conveniently located in opposite sides of the outer casing of the furnace.
    In an advantageous embodiment of the invention, the inner housing shields an interior completely. In this way, a good thermal protection of the internal housings in the electrical units can be achieved. Ventilation openings in one or more of the walls of the inner housing are not a complete shielding in the way, as well as bushings for waves or the like.
    Advantageously, the inner housing partially coincides with the outer housing. At least one wall of the inner housing is therefore also a wall of the outer housing. Hier¬durch one hand, the inner housing can be placed outside of the furnace, so that it can be cooled by the environment. On the other hand, by using the common wall, weight can be saved so that the solid fuel firing plant is easier.
    Conveniently, the inner housing contains temperature-sensitive electrical aggregates, such as at least one electric motor of a primary air blower, a secondary air blower, a back fire safety device, such as a rotary valve, and / or a fuel delivery unit. A control unit for controlling the combustion in the combustion chamber can also be arranged inside the inner housing.
    Further, it is advantageous if the inner housing is disposed within the ambient air duct. It can be achieved by the flow around the air guided through the Um¬gebungsluftführung good heat transfer. Advantageously, the inner housing with at least two, in particular three of its sides angeord¬net within the ambient air.
    Further, it is advantageous if the inner housing is arranged in the vicinity of the combustion chamber, so that the belonging to the combustion chamber electrical units can be arranged close to this. In an advantageous countercurrent flow of the ambient air, the inner housing is expediently seconded within the ambient air discharge. It is both the proximity to the combustion chamber and the counterflow of the solid fuel combustion system possible.
    Advantageously, a portion of the ambient air duct is disposed between the inner housing and a combustion chamber housing. Ambient air can be conducted past the inner housing at a high speed for its effective cooling.
    In the absence of extensive thermal insulation of the combustion chamber, this gives off large amounts of heat to the outside during operation. In order to at least partially protect the inner housing from this heat, it is advantageous if the inner housing is completely disposed under a combustion chamber ceiling. By Konvek¬tion rising upward, a large part of the heat is transported upward and does not reach the inner housing.
    In order to achieve a good flow through the inner housing with ambient air for ventilation of the aggregates, it is advantageous if the inner housing has at least two expediently opposite openings through which a ventilation flow can flow. One of these openings expediently extends to the outside of the solid fuel firing plant, ie through the outer housing.
    Further, it is advantageous if a guided through the inner housing during operation, so pressed or pulled, is. The drive may be a mechanical drive, e.g., directly or indirectly by means of a blower, or a natural drive, e.g. by chimney effect of the combustion chamber. The driven air flow through the inner housing can be achieved in a particularly simple and efficient manner if the inner housing has an outlet to a secondary air feed of the combustion chamber.
    If the combustion chamber is operated in the negative pressure mode, the ambient air drawn in by the environment of the solid fuel firing system is guided through the inner housing and can cool at least one electric aggregate there. In addition, this can be supplied to the combustion of the waste heat of an electrical unit in the inner casing and is thus not lost as waste heat. This can increase the efficiency of the plant.
    Advantageously, the solid fuel firing system comprises a flue gas blower, which generates a negative pressure in the combustion chamber relative to the environment during operation. The secondary air can be drawn from the environment into the combustion chamber, without necessarily requiring its own fan. If this secondary air is drawn through the inner housing, it can be used in addition to the cooling and is also heated up, which promotes better combustion.
    The ambient air is sucked out of the Innenge¬häuse by a suppression in the combustion chamber. Accordingly prevails in the inner housing relative to the environment a suppression. Through this cool ambient air is sucked into the inner housing. The outer housing is expediently provided with a ventilation opening which projects into the inner housing. Air can enter through the vent directly into the inner housing, for example, be aspirated.
    The promotion of solid fuel is associated with significantly more effort than the promotion of fluid fuel, such as fuel oil or natural gas. It is thus a further object of the invention to provide a solid fuel firing system which is particularly easy to supply solid fuel. This object is achieved by a solid fuel purification system of the type mentioned at the outset, in which the outer housing according to the invention has a side wall in which there is an opening, wherein a fuel guide to a fuel delivery unit is arranged at the opening. In addition to the outer housing, a fuel bearing can be provided, which expediently has a corresponding opening for dispensing solid fuel. The two openings may be placed directly adjacent to one another or an adapter is passed between the two openings to bridge a distance between the solid fuel firing system and the fuel storage. The adapter may comprise a mechanical conveyor, such as a screw conveyor, or a unit of a suction conveyor, which sucks solid fuel from a bearing by means of negative pressure and leads to opening in the outer housing. The solid fuel can be fed from the fuel storage in the opening of the solid fuel combustion system or in its outer housing and so on the fuel delivery unit, which leads the solid fuel motor to the combustion chamber, transported.
    Advantageously, the fuel guide leads into the inner housing, expedient from above through a top wall of the inner housing. An electric drive unit of the fuel delivery unit is advantageously arranged within the inner housing, so that transport of the solid fuel can be carried out in close proximity to the drive unit.
    In particular, when the opening of the fuel guide is outwardly in the Um¬gebungsluftabführung, a flange heats up at the opening for connecting the adapter to the temperature of the hot air, so that this heat to the outside, e.g. in the adapter, is discharged and thus lost. Since a flange or the like is difficult to effectively isolate, it is advantageous to keep the flange cool. Accordingly, it is proposed that the opening opens into the inner housing. Since the air in the inner casing is cooler, the amount of waste heat can be reduced.
    If a lower pressure prevails in the inner housing than in its surroundings within the outer housing, then a leakage of the inner housing causes hot air from the ambient air guide to penetrate into the inner housing. As a result, not only the electric unit is undesirably heated, but the ventilation of the inner case is impaired. Because due to the lower or omitted pressure difference to the outside environment less ambient or outside air flows through the inner housing, so that the cooling of the electrical unit is significantly worse. In order to reduce the risk of leakage, it is advantageous if the fuel guide from the outer housing to a mechanical conveyor unit runs completely within the inner housing. It can be dispensed with a breakthrough of the fuel guide through the inner housing and thus a potential Nullichtigkeit.
    Further, it is advantageous if the fuel guide shows a fall distance for fuel, which is at least partially disposed within the inner housing. The drop stretch expediently leads downwards from a burn back protection, for example a rotary valve. Conveniently, the drop distance is completely within the Innengehäuses.Durch the case distance can be achieved in addition to the simple transport and a high security against re-fire, since the fall distance in operation, for example, can be predominantly filled with air, so that an ignition of the fuel can be counteracted across the away. Due to the arrangement of the fall distance in the inner housing an impermissible temperature increase within the fall distance can be reliably detected.
    The description given so far of advantageous embodiments of the invention contains numerous features that are given in the individual subclaims partially summarized in several. However, these features may conveniently be considered individually and summarized to meaningful further combinations. In particular, these features can be combined individually and in any suitable combination with the device according to the invention.
    The above-described characteristics, features and advantages of this invention, as well as the manner in which they are achieved, will become clearer and more clearly understood in connection with the following description of an embodiment, which will be explained in more detail in connection with the drawings. The embodiment serves to explain the invention and does not limit the invention to the combination of features specified therein, not even with respect to functional features. In addition, suitable features of the exemplary embodiment can also be considered explicitly isolated and combined with any of the claims.
    [0032] FIG. 1 shows a schematic representation of a solid fuel firing plant with a
    Combustion chamber, a heat exchanger and an outer housing around Brenn¬ chamber and heat exchanger around, Figure 2 shows the mobile solid fuel firing system in a perspective view with partially open outer housing, so that a glance at an inner housing is free and Figure 3 shows a mobile solid fuel firing with a upwards larger
    Inner housing.
    1 shows a schematic representation of a mobile Festbrennstofffeuerungsanlage2, which is prepared for transport to several different sites. The solid fuel firing plant 2 comprises a combustion chamber 4 and a heat exchanger 6, which are mounted in a transport frame 8. The transport frame 8 includes at its lower end insertion openings 10 for inserting the fork of a forklift. Laterally and at the top, the transport frame 8 is formed by folds of the respective side plates or the plant ceiling, which together with the bottom form a transport-stable and weatherproof outer housing 12. In order to ensure good mobility at the place of use, the solid fuel firing system 2 is equipped with a four-wheeled wheel system 14, of which the two rear wheels 14 have a pivoting mechanism 16 for rotating the wheels 14 about a vertical axis. For pushing or pulling the solid fuel firing plant 2, a handle 18 is provided above an ambient air blower 20, which preferably extends over the entire width of the rear wall of the outer housing 12.
    FIG. 1 shows the solid fuel firing plant 2 in a highly simplified and schematic manner, although essential elements which are not essential to the explanation of the invention have been omitted for the sake of clarity. The mobile Fest¬brennstofffeuerungsanlage 2 has in this embodiment, a rated power of 50 kW and with solid fuel 22, in particular wood, such as wood pellets, fueled. For this purpose, an unrepresented fuel storage can be connected to the solid fuel firing installation 2 via a fuel channel, through which the solid fuel 22 reaches a delivery unit 24, which is shown only schematically in FIG. The delivery unit 24 comprises a conveyor screw, by means of which the fuel is conveyed automatically into the combustion chamber 4, controlled by an electrical control unit.
    The resulting from the combustion of the solid fuel 22 hot flue gas are discharged upward from the combustion chamber 4 and fed by a flue 26 to a hot side of the heat exchanger 6 from above. The flue gas is passed from the top down through the hot side of the heat exchanger 6 and passes to a flue gas blower 28. The cooled in the heat exchanger 6 flue gas is blown out of this by a flue gas discharge 30 from the solid fuel furnace 2.
    To dissipate the heat of combustion from the flue gas flow, a cooling air flow in an ambient air duct 32 is guided in a countercurrent flow to the flue gas supply 26, so it first meets cooler parts of the system and then hotter system parts, so that the air heated to the cooler system parts is reheated to the hotter system parts. The cooling air is sucked as outside air or ambient air through the ambient air blower 20 directly from the environment of the solid fuel combustion system 2 and blown into the outer housing 12 of the solid fuel combustion system 2. The ambient air blower 20 is arranged in an ambient air inlet 34 of the outer housing 12. Inside the outer housing 12, there is thus an overpressure relative to the surroundings of the solid fuel firing plant 2.
    The ambient air is blown in an ambient air supply from the ambient air inlet 34 to the cold side of the heat exchanger 6 and heated therein with heat from the hot side. It then flows around the combustion chamber 4 and is further heated there before it travels in an ambient air discharge the distance from the cold side of the Wärmetau¬ shear 4 to a hot air outlet 36 of the outer housing 12 and flows through them as warm air and into the environment or a hose guide is blown. The heated ambient air blown out of the hot air outlet 36 is available with a maximum nominal power of 50 kW, for example for building drying. The combustion chamber 4 is cooled by the cooling air flow, so that its outside temperature remains relatively cool and suitable for mobile use.
    The combustion air is supplied to the combustion taking place in the combustion chamber 4 in two ways. Primary air is drawn by a primary air blower 38 from the vicinity of the solid fuel combustion system 2 and is blown into the combustion via a primary air supply 40 from below through a combustion bottom 42. Secondary combustion air is conducted laterally into the combustion chamber 4 via a secondary air supply 44 to the upper area of the combustion flames. While the primary air is pressed by the engine into the combustion chamber 4, the secondary air is sucked in indirectly via the flue gas blower 28 from outside the solid fuel combustion system 2 into the combustion chamber 4. A separate fan is not available.
    FIG 2 shows a mobile solid fuel burning plant 2 in a perspective view from the side. While in FIG. 1 the solid fuel firing system 2 is labeled "2". is designated, the solid fuel firing systems are provided in the following figures with reference letters. Each of the exemplary embodiments from FIGS. 2 and 3 can be seen as a solid fuel firing system 2 from FIG. In the following embodiments, units which are not identical but only analogous to one another are given the same reference numerals and different reference letters. If the reference letter is omitted, the corresponding description applies to all such analogue units.
    The rear wall of the outer casing 12a is detached, so that the view becomes clear of units of the furnace 2a inside the outer casing 12a. The ambient air inlet 34, the flue gas discharge 30, the heat exchanger 6 with an underlying ash box 46, a fuel channel 48 with a filling opening 50, an inner housing 52a accommodating a few electrical units and the hot air outlet 36 can be seen.
    The inner housing 52a is designed with three inner walls, two side walls and a housing cover. A bottom and two lateral outer walls, not shown, the inner housing 52a has in common with the outer housing 12a. In order to give a view into the interior of the inner housing 52a, the representation of the two lateral outer walls was dispensed with. The inner housing 52a accommodates the following units: The primary air blower 38 in the form of a radial fan with a blower motor 54, a part of the conveyor unit 24 with a conveyor motor 56 and a burn-back guard 58 in the form of a rotary valve with a lock motor 60 for rotating the rotary valve.
    The inner housing 52a is arranged in the perspective of FIG. 1 behind the combustion chamber 4 and from the perspective of FIG. 2 in front of the combustion chamber 4, but so that there is an air space between the combustion chamber 4 and the inner housing 52a through which the cooling air path 32 passes. The inner housing 52a is disposed in the ambient air discharge. In this way, the inner case 52a can be cooled from the inside.
    For further cooling, the inner housing contains in one of its lateral outer walls a cooling air opening 62 less than 10 cm away from an electrical unit, in this embodiment, the lock motor 60, and other electrical Aggrega¬te at this position or at a cooling air opening 62 conceivable and The cooling air opening 62 is shown in thin dashed lines, as are other cooling air openings 64 in the other of the outer lateral walls of the inner housing 52a.
    Via a secondary air opening 66 in the inner side wall of the inner housing 52a facing the combustion chamber 4, the interior of the inner housing 52a is connected to the secondary air feed 44. Since the combustion chamber 4 is operated in negative pressure relative to the vicinity of the solid fuel burning furnace 2 during operation of the solid fuel burning furnace 2a, air is sucked into the combustion chamber 4 from the inner casing 52a through the secondary air opening 66 and the secondary air feed 44. As a result, a slight negative pressure is also generated in the inner housing 52a relative to the surroundings of the solid fuel firing system 2a. As a result, ambient air is sucked through the cooling air openings 64 into the inner housing 52a during operation, the air flow 68 of which is indicated by the dot-dashed arrow in FIG. The ambient air passes as cooling air past the electrical units and flows out of the secondary air opening 66 out of the inner housing 52. Also due to the slight suppression also ambient air flows through the cooling air opening 62, the air flow 70 is indicated by the two dot-dashed arrows inFIG 2. As a result, the electric units are cooled during the operation of the solid fuel combustion system 2a by means of ambient air.
    If, for example, due to a failure of the ambient air blower 20, a build-up of heat builds up within the outer housing 12a, the temperature in the interior, in particular on the ceiling of the outer housing 12a, will rise sharply. In order to keep intact the electrical aggregates within the inner housing 52a in such a defect, the Innenge¬häuse 52a is disposed completely below a combustion chamber ceiling 72 and also arranged on the bottom of the outer housing 12a.
    During operation, the solid fuel 22 is transported through the inner housing 52a. This is accomplished by charging the solid fuel 22 into the fill port 50 and directing it through the fuel channel 48 into the burnout guard 58 located within the inner housing 52a. In this way, a further, albeit smaller, cooling air flow can be conducted into the inner housing 52a, namely a negative pressure-dependent cooling air flow through the fuel channel 48. The filling opening 44 can be connected to a fuel tank or a fuel channel there, in particular a suction conveyor, with which the solid fuel 22 can be connected conveyed from the solid fuel storage to the solid fuel burning plant 2a. In order to prevent burnback, a fall path for the fuel is arranged between the burnout guard 58 and the delivery unit 24, through which the fuel falls downwardly from the burnout guard 58 during operation.
    FIG. 3 shows a solid fuel firing installation 2b with an upwardly extended inner housing 52b. The following description is essentially limited to the differences from the exemplary embodiment in FIGS. 1 and 2, to which reference is made to features and functions that remain the same. In order not to have to carry out several times already described, all the features of the preceding embodiment are generally taken over in the following embodiment, without being described again, seσ, features are described as differences from the previous embodiment be¬.
    In the case of the solid fuel combustion system 2b shown in FIG. 3, the inner casing 52b also includes the opening 50 and the entire length of the fuel channel 48 from the opening 50 to the burn-back fuse 58 and further to the conveying motor 56 which supplies the solid fuel pushes into the combustion chamber 4. As a result, the solid fuel is kept cool from entry into the solid fuel burning plant 2b to the conveying motor 56.
    Furthermore, it is possible to dispense with the sealing point 74 shown in FIG. 2, with which the inner housing 52b is sealed against the ambient air discharge, ie the space which the heated ambient air travels from the cold side of the heat exchanger 4 to a hot air outlet 36 of the outer housing 12. If there is a leak, warm air from the ambient air discharge is forced into the inner housing 52b, so that there the suppression of the environment decreases or disappears. The ventilation and Kühlef¬fekt by the air currents 68 and 70 would then come to a standstill, so that the units would no longer be cooled by passing air. This can lead to overheating of the Aggre¬gate. With the inner housing 52b of FIG 3, this danger is banned, so that a good overheating protection of the units is achieved.
    REFERENCE LIST 2 Solid Fuel Firing System 4 Combustion Chamber 6 Exchanger Housing 14 Wheel 16 Swing Mechanism 18 Handle 20 Ambient Air Blower 22 Solid Fuel 24 Delivery Unit 26 Flue Gas Inlet 28 Flue Gas Blower 30 Flue Gas Outlet 32 Ambient Air Inlet 34 Ambient Air Inlet 36 Warm Air Outlet 38 Primary Air Blower 40 Primary Air Inlet 42 Firebox 44 Secondary Air Inlet 46 Ashtray 48 Fuel Channel 50 Filling opening 52 Inner housing 54 Blower motor 56 Feeding motor 58 Back fire protection 60 Lock motor 62 Cooling air opening 64 Cooling air opening 66 Secondary air opening 68 Air flow 70 Air flow 72 Combustion ceiling 74 Sealing point
    权利要求:
    Claims (14)
    [1]
    Claims 1. Mobile solid fuel combustion system (2) with a heat exchanger (4), a Brenn¬ chamber (6), an outer housing (12) which surrounds the heat exchanger (6) and the Brennkam¬mer (4), a flue gas supply (26) from the combustion chamber (4) to the hot side of the heat exchanger (6) and with an ambient air duct (32) supplying an ambient air supply from an ambient air inlet (34) of the outer housing (12) to the cold side of the heat exchanger (6) and an ambient air exhaust from the cold side of the heat Exchanger (6) to a hot air outlet (36) in the outer housing (12) and a fan (20) for driving ambient air through the cold side of the heat exchanger (6), characterized by an inner housing (52) within the outer housing (12), which comprises a plurality of electrical aggregates.
    [2]
    2. Mobile solid fuel combustion system (2) according to claim 1, characterized in that the inner housing (52) completely shields an inner space and partially coincides with the outer housing (12).
    [3]
    3. Mobile solid fuel firing system (2) according to claim 1 or 2, characterized in that the electrical units are at least two motors for units from the group primary air blower (38), secondary air blower, burn back (58) and Kraftstoffstoffför¬dereinheit (24).
    [4]
    4. Mobile solid fuel combustion system (2) according to any one of the preceding claims, characterized in that the inner housing (52) within the ambient air duct (32) is arranged.
    [5]
    5. Mobile solid fuel combustion system (2) according to any one of the preceding claims, characterized in that the inner housing (52) is arranged within the ambient air discharge.
    [6]
    6. Mobile solid fuel combustion system (2) according to any one of the preceding claims, characterized in that between the inner housing (52) and a combustion chamber housing part of the Um¬gebungsluftführung (32) is arranged.
    [7]
    7. Mobile solid fuel firing system (2) according to any one of the preceding claims, characterized in that the inner housing (52) is completely below a combustion chamber ceiling (72) angeord¬net.
    [8]
    A mobile solid fuel firing system (2) according to any one of the preceding claims, characterized in that the inner casing (52) has an outlet (66) to a secondary air supply to the firing chamber (4).
    [9]
    9. Mobile solid fuel combustion system (2) according to any one of the preceding claims, characterized in that the outer housing (12) has a ventilation opening (62, 64) in the inner housing (52).
    [10]
    10. Mobile solid fuel combustion system (2) according to one of the preceding claims, characterized in that the outer housing (12) has a side wall in which an opening (50) and the opening (50) is a fuel guide (48) to a fuel feed unit (24). is ordered.
    [11]
    11. Mobile solid fuel firing system (2a) according to claim 10, characterized in that the fuel guide (48) from above through an upper wall of the inner housing (52a) in the inner housing (52a) leads.
    [12]
    12. Mobile solid fuel firing system (2b) according to claim 10, characterized in that the opening (50) in the inner housing (52b) opens.
    [13]
    13. Mobile solid fuel combustion system (2b) according to claim 10 or 12, characterized in that the fuel guide (48) from the outer housing (12b) to a machine För¬dereinheit (24) extends completely within the inner housing (52b).
    [14]
    14. Mobile solid fuel firing system (2) according to any one of claims 10 to 13, characterized in that the fuel guide (48) has a drop zone for fuel (22) which is at least partially disposed within the inner housing (52). For this 2 sheets of drawings
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    AT12584U1|2011-03-08|2012-08-15|Lasco Heutechnik Gmbh|HEAT EXCHANGER FOR A MOBILE SOLID FUEL HEATING SYSTEM|
    DE202011103415U1|2011-07-01|2011-08-18|Lasco Heutechnik Gmbh|Mobile solid fuel firing system|
    CN105202761B|2015-10-09|2018-08-07|无锡市久川机械设备有限公司|The spiral heat dissipation finned heat pipe group device of indirect chain-arranged type straw hot blast heater|
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    法律状态:
    2021-08-15| MM01| Lapse because of not paying annual fees|Effective date: 20201231 |
    优先权:
    申请号 | 申请日 | 专利标题
    DE201420105262|DE202014105262U1|2014-11-03|2014-11-03|Mobile solid fuel firing system|
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