• 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 suction conveyor system for a heating device, comprising a suction unit (1) which is arranged in a storage container for fuel and a suction line (2) adjoining the suction unit (1) leading to a suction turbine, wherein the suction unit (1) an upper cover (4) defining a suction space (5) open to the side of the storage container. An improved discharge of the fuel can be achieved by extending through the suction chamber (5) through a motor-driven conveying member (8) having on both sides outside the suction chamber (5) conveying means (11a, 11b)
    公开号:AT511708A4
    申请号:T14832011
    申请日:2011-10-13
    公开日:2013-02-15
    发明作者:
    申请人:Windhager Zentralheizung Technik Gmbh；
    IPC主号:
    专利说明:

    1 15701 · · «« * «» *
    The invention relates to a suction conveyor for a heating device having a suction unit arranged in a storage container for fuel and a suction line connected to the suction unit leading to a suction turbine, the suction unit having an upper cover which delimits a suction space is open to the side of the storage container.
    To promote fuel pellets or similar materials from storage containers to heating systems fundamentally different devices are known. Screw conveyors generate mechanical propulsion to move the fuel pellets through a corresponding delivery line. Pneumatic conveyors use compressed air to move the fuel. The present invention relates to a third variant, namely suction conveyor systems, in which the pellets are withdrawn by suppression of a storage container.
    From EP 1 052 456 A of the patent applicant such a suction conveyor is known. The problem of bridging fuel and the complete emptying of the storage container is achieved in this known solution in that is constantly switched between different suction in the storage container and the return air is blown in the suction port to loosen the fuel there. This solution is ideally suited for larger systems with correspondingly large storage containers, to ensure a reliable and reliable fuel supply for a heating system. For smaller systems with correspondingly smaller storage containers, however, a less expensive solution is desirable, which can also manage with a single suction unit.
    Object of the present invention is to provide such a simplified solution that is inexpensive to produce, but still reliable.
    In another context, it has become known to provide mechanical devices for loosening or swirling the material in addition to an intake system for particulate material. Such solutions are described for example in DE 2 105 143 A, US 5,542,790 A or DE 3 037 461 A. However, the solutions are not suitable for heating systems of smaller design. 2
    According to the invention it is provided that a motor-driven conveying member extends through the AnäaiJgraum hindtnrji, which has on both sides außenlialb'des suction space conveying means.
    It has been found that in this way it is very easy to avoid stagnation in the fuel supply and to effect a continuous promotion. The top cover serves primarily to trap the pressure of the fuel bearing thereon when the storage container is full, in order to avoid caking in the region of the mammal opening. Between the bottom of the storage container and the top cover, openings are provided through which fuel can enter the suction space. Basically, this opening - apart from brackets - be designed for the top cover as a continuous gap. However, it is also possible for a plurality of discrete openings to be provided, wherein the conveying member passes through two of these openings.
    It is particularly preferred if the upper cover has lateral walls and if the conveying member extends parallel to these lateral walls through the suction space. In this way, bridging, which impedes the promotion, can be reliably avoided.
    A particularly favorable embodiment of the present invention is given by the fact that the conveying member is designed as a rotating shaft which is located substantially at right angles to the longitudinal axis of the suction line in the region of the mouth into the suction chamber. This results not only in a structurally favorable position for a drive motor of the conveying member, but also fluidically favorable conditions are created.
    Furthermore, it is of particular advantage if an air return line opens into the suction space above the suction line. With the fuel pellets and considerable amounts of air are withdrawn from the storage container, which are contaminated by dust and can not be discharged to the environment. Also, a separation of this dust by a cyclone is usually insufficient to avoid environmental pollution. Therefore, suction conveyor systems generally provide for recirculation of the air into the storage container. By the solution described above, a loosening of the material in the region of the suction opening can be achieved in an advantageous manner. A problem-free installation of the storage container and a spatially particularly compact solution is achieved if the suction line is arranged parallel to a bottom of the storage container, at least in the region of the inlet Jddn Ansaugraiam.RTM. Thus, it is not necessary to lead lines below the container in the ground or lead out of the top of the container.
    Constructively, the conveying member may be formed in a simple manner as a shaft, are mounted on the conveying means in the form of radially projecting paddles. In practice, this is achieved, for example, in that the shaft is bent over at its end and has a welded bar on the opposite side of the suction space. In this particularly simple embodiment, the rotation of the shaft causes no promotion of the fuel in the axial direction of the shaft, but only a loosening, but this is sufficient to loosen up a blockade. Alternatively, the conveyor may have inclined active surfaces, which cause a certain conveying effect in the direction of the suction. An alternative to this are screw conveyors, which are designed in opposite directions in order to effect a conveying action on both sides in the direction of the suction space.
    In the following, the present invention will be explained in more detail with reference to the embodiment shown in FIGS. 1 shows a suction conveyor according to the invention in an axonometric view, FIG. 2 shows a side view of the suction conveyor of FIG. 1, FIG. 3 shows a view from above, FIG. 4 shows a section along line IV IV in FIG. 3 and FIG. 5 shows a section along line VV in FIG. 2.
    The suction conveyor system of Fig. 1 consists of a suction unit 1, a suction line 2 with an axis 2a and an air return line 3, of which only the portion of the mouth is shown in the suction unit 1. The remaining components of the suction conveyor system such as suction turbine, cyclone, burn back and the like are performed in a conventional manner and omitted for simplicity in the illustration.
    The suction unit 1 has an upper cover 4, which is bent substantially from sheet metal and covers an underlying suction 5 upwards and laterally. A mounting foot 6 is used to attach the suction unit 1 to a bottom 7 of a non-illustrated storage container for fuels. From FIGS. 2 to 5, a conveying member 8 not described in FIG. 1 for the sake of simplicity can be seen, which consists of a shaft 9 which extends through the suction space 5 4 and which has been driven off by an electric motor 10. Supporting means 11a, 11b are mounted on the shaft 9, wherein the first conveying means 11a consists of a bent end section of the shaft 9 and the second conveying means 11b consists of a rod welded obliquely radially on the shaft 9.
    The upper cover 4 has a in use position substantially horizontal upper surface 12, to which laterally beveled surfaces 13, 14 connect.
    Perpendicular to the surfaces 13, 14 side surfaces 15, 16 are arranged, which limit the suction chamber 5 on both sides.
    Below the inclined surfaces 13, 14, the upper cover 4 has a front and a rear opening 17, 18, through which the fuel can enter the suction chamber 5. These openings 17, 18 extend down to the bottom 7 of the container or to the foot 6 of the suction unit 1, so that a free inflow of the material is ensured. The shaft 9 of the conveying member 8 extends through these openings 7, 18 and the conveying means 11a, 11b are arranged in the region of the openings 17, 18.
    Various beveled baffles 19 serve to prevent stagnation of the fuel supply. At the end of the air return line 3, a baffle 20 is further arranged to derive the recirculated air laterally to the openings 17, 18 out.
    Since the suction line 2 is arranged substantially horizontally directly above the bottom 7 of the heating chamber and also the shaft 9 of the conveying member 8 is arranged horizontally substantially in the same plane as the suction line 2, the suction unit 1 can be arranged compactly on the bottom 7 of the storage container , so that a largely complete emptying can be ensured. Below the bottom 7 no internals or other components are provided, so that the installation cost is kept low. Since the axis of the shaft 9 of the conveying member 8 is perpendicular to the end of the suction line 2, a structurally favored design can be realized.
    权利要求:
    Claims (9)
    [1]
    5 ♦ »< M Mm i-ti 1 *» 4 i PATENT CLAIMS " A suction conveyor for a heating device, comprising a suction unit (1) disposed in a storage container for fuel and a suction pipe (2) connected to the suction unit (1) leading to a suction turbine, wherein the suction unit (1) has an upper cover (4), which defines an intake chamber (5) which is open to the side of the storage container, characterized in that extending through the suction space (5) through a motor-driven conveying member (8), the outside of the suction space (5) conveying means (11a, 11b).
    [2]
    2. suction conveyor system according to claim 1, characterized in that the upper cover (4) has lateral walls (15, 16) and that the conveying member (8) parallel to these lateral walls (15, 16) through the suction chamber (5) ,
    [3]
    3. suction conveyor according to claim 1 or 2, characterized in that the upper cover (4) has a front and a rear opening (17, 18) and that the conveying member (8) through these openings (17, 18) extends therethrough.
    [4]
    4. suction conveyor according to one of claims 1 to 3, characterized in that the conveying member (8) as a rotating shaft (9) is formed, which is substantially perpendicular to the longitudinal axis (2a) of the suction line (2) in the region of the junction in the Suction chamber (5) is located.
    [5]
    5. suction conveyor system according to one of claims 1 to 4, characterized in that an air return line (3) preferably above the suction line (2) opens into the suction chamber (5).
    [6]
    6. suction conveyor according to one of claims 1 to 5, characterized in that the upper cover (4) is arranged at a distance above a bottom (7) of the storage container. 6 ** · · · »* ··· *« > > *. #
    [7]
    7. suction conveyor according to one of claims Hbis 6; ctacturch * | * *. Is characterized in that the suction line (2) is arranged at least in the region of the confluence with the suction space (5) parallel to a bottom (7) of the storage container.
    [8]
    8. suction conveyor according to one of claims 1 to 7, characterized in that the conveying member (8) as a shaft (9) is formed on the conveying means (11 a, 11 b) are mounted in the form of substantially radially projecting paddle.
    [9]
    9. suction conveyor system according to one of claims 1 to 7, characterized in that the conveying member (8) is designed as a shaft (9), on the conveying means (11 a, 11 b) in the form of counter-oriented

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    同族专利:
    公开号 | 公开日
    DE102012109605B4|2014-09-25|
    AT511708B1|2013-02-15|
    DE102012109605A1|2013-04-18|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    EP0305152A1|1987-08-25|1989-03-01|Technivac Limited|Pneumatic conveying system|
    WO2001065181A1|2000-03-03|2001-09-07|Lohberger, Heiz + Kochgeräte-Technologie GmbH|Device for discharging solid particles|
    EP1426684A2|2002-03-06|2004-06-09|GEOPLAST Kunststofftechnik Ges.m.b.H.|Device for receiving resp. storing and picking a solid or pourable fuel|
    DE102009055000A1|2009-12-18|2011-06-22|Lechner, Josef, 86576|pellet feed|AT513945A1|2013-01-22|2014-08-15|Kwb Kraft Und Wärme Aus Biomasse Gmbh|removal device|DE2105143C3|1971-02-04|1974-07-04|Maschinenfabrik Hartmann Ag, 6050 Offenbach|Pneumatic suction conveyor for bulk goods|
    DE3037461C2|1980-10-03|1985-06-13|Engelbrecht + Lemmerbrock Gmbh + Co, 4520 Melle|Pneumatic suction device for goods that trickle heavily|
    US5542790A|1995-02-23|1996-08-06|Industrial Business Consultants, Inc|Module disperser|
    AT3734U1|1999-05-12|2000-07-25|Windhager Zentralheizung Ag|SUCTION CONVEYOR FOR A HEATING SYSTEM|AT514429B1|2013-04-25|2015-01-15|Solarfocus Holding Gmbh|Device for sucking bulk material which has a Dosierblättchen|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    AT14832011A|AT511708B1|2011-10-13|2011-10-13|SUCTION CONVEYOR FOR A HEATING DEVICE|AT14832011A| AT511708B1|2011-10-13|2011-10-13|SUCTION CONVEYOR FOR A HEATING DEVICE|
    DE201210109605| DE102012109605B4|2011-10-13|2012-10-09|Suction conveyor for a heating device|
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