• 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 present invention relates to a disposable sink mat 100 with integral cord. The disposable sink mat 100 is configured to accumulate waste during dishwashing or while utilizing sink to prevent clogging in the sink. The disposable sink mat 100 is further configured to provide a hands-free collection and disposal of waste accumulated in the sink mat 100 in a convenient and sanitary fashion. The disposable sink mat 100 comprises a body portion 102 having at least four corners 110 and exterior edge 108 extending from the body portion 102, at least one cord element 106 that extends laterally from at least one corner 110. The cord element 106 is configured to pull externally by a user for gathering the at least four corners 110 and edge 108 inward to a closed position to form a closed bag.
    公开号:DK201800038A1
    申请号:DKP201800038
    申请日:2018-01-22
    公开日:2018-11-27
    发明作者:Kronborg Løgstrup Nielsen Rikke
    申请人:Kronborg Løgstrup Nielsen Rikke；
    IPC主号:
    专利说明:

    DENMARK (10)
    DK 201800038 U3
    (12)
    USE MODEL WRITING
    Registered utility model without testing
    Patent and Trademark Office
    Int.CI .: C02F3 / 12 (2006.01)
    Application number: BA 2018 00038
    Submission date: 2018-04-24
    Running day: 2018-04-24
    Aim. available: 2019-07-24
    The registration bkg. and published on: 2019-08-06
    Utility model holder:
    Krüger A / S, Gladsaxevej 363,2860 Søborg, Denmark
    Produces:
    Lars Dalum Nielsen, Kløvervej 22, 9400 Nørresundby, Denmark
    Clerk:
    Inspicos P / S, Kogle Allé 2, 2970 Hørsholm, Denmark
    Title: SLUDGE STORAGE TANK
    Summary:
    The generation provides a tank for storing sludge. The tank comprises a first sludge chamber for storing sludge of a first type and a second sludge chamber for storing sludge of a second type. The first sludge chamber and the second sludge chamber are arranged in thermal communication for the exchange of heat between the first and the second sludge chamber.
    To be continued...
    DK 201800038 U3
    DK 201800038 U3
    SLUDGE STORAGE TANK
    The production relates to a tank for storing sludge. The tank comprises a first sludge chamber for storing sludge of a first type and a second sludge chamber for storing sludge of a second type.
    Sludge of the first type may, for example, be pre-drained sludge, while sludge of the second type may be digested sludge. The term "pre-dewatered" in this connection covers that the sludge has been through a process in which part of the water contained in the sludge has been removed. This can be achieved, for example, by passing sludge taken from a treatment plant's explanation tank (s) and / or clarification tank (s) through a filter cloth and / or a concentration tank, whereby the sludge is concentrated, for example to prepare the sludge for a digestion tank. Concentration of sludge of a first type can alternatively be done directly in one or more explanatory tanks. The term decomposed ”in this connection covers the processes that take place in a digestion tank, where the concentration of the sludge is reduced and biogas is produced.
    The tank can also be used for sludge all other type, such as sludge in different stages, and the types listed above are therefore to be considered as non-limiting examples. In one embodiment it may be sludge with different temperatures, where sludge of the first type is sludge with a first temperature and where sludge of the second type is sludge with a different temperature, where the first and second temperatures are different
    Traditionally, pre-drained sludge is passed from a first tank to a digester. After staying in the digester, the digested sludge is led to another tank.
    The object of the present invention is to provide a tank for storing sludge.
    The tank comprises a first sludge chamber for storing sludge of a first type, and a second sludge chamber for storing sludge of a second type. As mentioned above, it may be pre-drained sludge and digested sludge. The idea is distinctive in that the first sludge chamber and the second sludge chamber are placed in thermal communication for the exchange of heat between the first and the second sludge chamber.
    By placing the first and the second sludge chambers in thermal communication with each other, it is possible to exchange heat between the first and the second sludge chambers. For example, it is possible to transfer heat from sludge with a higher temperature to sludge with a lower temperature. If the tank is used for storing pre-drained sludge and digested sludge, placing the first and second sludge chambers in thermal communication can result in
    DK 201800038 U3 heat transfer from the digested sludge file the pre-dewatered sludge, which has a lower temperature.
    Thermal connection between the first and the second sludge chamber can be achieved, for example, by placing a part of the two sludge chambers in physical connection with each other, whereby heat can be conducted from one sludge chamber to the other sludge chamber via the physical connection.
    In order to be able to direct sludge to the first and the second sludge chamber, the tank may further comprise one or more inlet openings arranged in the lower part in at least one of the first and the second sludge chamber for inlet of sludge. Likewise, the tank may comprise one or more discharge openings arranged in the lower part of at least one of the first and the second sludge chamber for discharging sludge.
    In one embodiment, sludge of the first type, for example pre-dewatered sludge, can thus be led via a supply opening in the lower part of the first chamber for storage therein. Sludge of the first type can be heated in the first sludge chamber by means of heat which is transferred from the second sludge chamber. Subsequently, sludge of the first type can be transferred to a digester via a discharge opening located in the lower part of the first sludge chamber.
    The first sludge chamber can thus be used as a buffer chamber for storing pre-drained sludge from one or more clarification tanks. Since the digester is sensitive to variations in the amount of sludge supplied, the volume of sludge in the first sludge chamber can vary, thereby ensuring an even flow to the digester.
    After stay in the digestion tank, sludge of the second type, for example digested sludge, can be led via a supply opening in the lower part of the second chamber for storage therein. While sludge of the second type is in the second sludge chamber, it can emit heat which can be transferred to the first sludge chamber. Subsequently, sludge of the second type can be led out of the second sludge chamber via a discharge opening arranged in the lower part of the second sludge chamber.
    The second sludge chamber can thus be used as a buffer chamber for storing digested sludge from the digestion tank. After storage in the second sludge chamber, the digested sludge can be led to a final dewaterer, which comprises, for example, a centrifuge, a screw press, other types of presses and the like, where it can be dewatered to thereby further concentrate the sludge. The final dewatered sludge can subsequently be discharged into a field, dried, incinerated or otherwise disposed of.
    DK 201800038 U3 in the embodiment described above, the heat transfer takes place from the second to the first sludge chamber. In another embodiment, the heat transfer can take place from the first to the second sludge chamber.
    The first and second sludge chambers may each comprise one or more side walls arranged substantially vertically. If the first and / or the second sludge chamber is circular, the sludge chamber comprises a single substantially vertically arranged side wall. If the first and / or the second sludge chamber is annular, the sludge chamber comprises two substantially vertically arranged side walls. If the first and / or the second sludge chamber is square, the sludge chamber comprises four substantially vertically arranged side walls.
    The first and second sludge chambers may further comprise a bottom. In embodiments where both the first and second sludge chambers comprise a bottom, the bottom may be formed as a common bottom for the two sludge chambers.
    To achieve heat exchange between the first and second mud chambers, the first mud chamber may comprise at least a first side wall and the second mud chamber at least a second side wall, wherein at least a part of the first side wall and at least a part of the second side wall consists of a common side wall for heat exchange. The common side wall can thus act as a heat exchanger placed between the two chambers. The efficiency of this will depend, among other things, on the insulation capacity of the common side wall, on the amount of sludge in the first sludge chamber and in the second sludge chamber, on the temperature of sludge of the first type and sludge of the second type, the size of the two sludge chambers, etc.
    In an embodiment where the two sludge chambers are arranged in extension of each other or next to each other, the common side wall can be constituted as a whole side wall in the first and the second sludge chamber. If the two sludge chambers are arranged with a partial overlap, the common side wall can alternatively be formed by a part of a first side wall in the first sludge chamber and a part of a second side wall in the second sludge chamber. In a further alternative embodiment, the common side wall may be constituted by an entire side wall in one sludge chamber and a part of a side wall in another sludge chamber.
    In an alternative embodiment, the first and second sludge chambers may be arranged so that one sludge chamber defines an outer sludge chamber arranged so as to encircle the second sludge chamber, thus defining an inner sludge chamber. The two mud chambers may be formed with the same outer shape, for example an outer square mud chamber arranged around a square inner mud chamber or an annular outer mud chamber arranged around a circular inner mud chamber.
    DK 201800038 U3
    The two sludge chambers may alternatively be designed with different outer shapes, for example an outer square sludge chamber arranged around a circular inner sludge chamber.
    To promote heat exchange between the outer outer chamber and the inner mud chamber, where a transition between the inner mud chamber and the outer mud chamber is formed by a common side wall, the insulating ability of the common side wall may be less than the insulating ability of an outer side wall of the outer mud chamber. At a lower insulation capacity, the heat transfer between the inner sludge chamber and the outer sludge chamber is promoted. If the insulation capacity of the outer side wall is high, it is also possible to reduce the heat loss from here.
    Both the def first and the second sludge chamber can be designed in steel. In embodiments where the insulating ability of the common side wall is less than the insulating ability of an outer side wall of the outer sludge chamber, the common side wall may be constituted by a non-insulated steel wall, while the outer side wall of the outer sludge chamber may be formed by an insulated steel wall.
    Other materials such as concrete can also be used.
    In one embodiment, at least one of the first and second mud chambers may comprise a substantially circular outer side wall. Thus, if both comprise a circular outer side wall, the tank may comprise an annular outer mud chamber disposed around a circular inner mud chamber. In a specific embodiment, the first and second sludge chambers may be concentrically located.
    To enable the transfer of sludge to and from the tank, both the first and second sludge chambers may comprise a flow structure for providing a sieve flow between the sludge chamber and a digestion tank and / or other Sanke. The flow structure may comprise one or more pumps, one or more valves, one or more pipe sections and / or one or more openings in the first and second sludge chamber and in the digester and / or other tanks.
    The flow structure may comprise a first flow structure for providing a first sieve flow from the first sludge chamber to the digester and a second flow structure for providing a second sieve flow from the digester to the second sludge chamber.
    Furthermore, the tank may comprise a control unit for controlling the flow structure for regulating the flow. The control unit may be connected to one or more pumps, one or more valves and / or one or more openings in the first and the second sludge chamber and in the digester tank, so that the flow can be regulated by opening and closing one or more of these. This can happen simultaneously or time-shifted. It may thus be possible to control the individual elements individually.
    DK 201800038 U3
    For example, in one embodiment, the first and second flow structures can be regulated independently of each other.
    To reduce gas emissions, for example of greenhouse gas, at least one of the first and the second sludge chambers may comprise a lid for covering the first and / or the second sludge chamber. At the same time, a lid will reduce the heat loss from the first and / or second sludge chamber to the surroundings.
    In one embodiment, the first and second mud chambers may comprise a common lid for covering both the first and second mud chambers.
    Using a common lid over the first and second sludge chambers, the common lid can define a common gas collection chamber for collecting gas from sludge stored in the first and second sludge chambers. Gas can be formed by the processes that take place in sludges of the first type and / or the second type. In embodiments where sludge of the first type comprises pre-drained sludge and sludge of the second type comprises digested sludge, gas production will essentially only take place from the digested sludge.
    In one embodiment, the tank may be sealed. This can be achieved by sealing a joint between the common lid and the side wall or walls which form an outer wall around the first and second mud chambers.
    In traditional tanks, a lid is often put on to avoid odor nuisance to the surroundings, thereby creating an area where there is a risk of the formation of an explosive mixture of gas and air. Traditionally, this is attempted to be avoided by establishing ventilation in the tank to thereby dilute the explosive mixture and thereby reduce the risk of explosion,
    In one embodiment, the lid may comprise at least one gas opening for discharge and / or supply of gas from and / or to the first and / or second sieve chamber. When discharging gas from the tank, for example to a gas collection unit, it will be possible to store and subsequently utilize the produced biogas.
    In embodiments with a common lid, supply of gas and discharge of gas will take place to and from the common gas collection chamber. In order to reduce the risk of explosion and possibly completely eliminate the risk of explosion, the tank will be able to be in fluid communication with a gas storage via the gas opening. In an alternative embodiment, the tank will be able to communicate with a gas storage via an opening in a side wall.
    DK 201800038 U3
    By providing a gas opening for filling gas, it will be possible to fill the tank with gas, for example when sludge is led out of the tank, i.e. out of either the first sludge chamber, the andef sludge chamber or out of both sludge chambers.
    In one embodiment, with the supply of gas, it can be ensured that there is a constant overpressure in the tank, whereby the risk of explosion is eliminated, as no air can enter and mix with the gas. It is thus possible to eliminate the cost of ventilation for dilution of the gas, at the same time as collecting gas that can subsequently be utilized. At the same time, it is possible to prevent greenhouse gas emissions, especially methane, into the atmosphere.
    The creation is further explained in the following with reference to the drawings, in which
    FIG. 1 shows a tank for storing sludge,
    FIG. 2 shows a tank seen from above,
    FIG. 3 shows a tank and various elements of a tank, and
    FIG. 4 shows different elements of a tank.
    FIG. 1 shows a tank 1 for storing sludge. The tank 1 comprises a first sludge chamber 2 for storing sludge of a first type and a second sludge chamber 3 for storing sludge of a second type.
    The first sieve chamber 2 and the second sludge chamber 3 are arranged in thermal connection for exchanging all heat between the first and the second sludge chamber.
    In the embodiment shown, both the first and the second sieve chamber 2, 3 comprise a substantially circular outer side wall 4, 5. The tank 1 thus comprises an annular outer sludge chamber 2 arranged around a circular inner sieve chamber 3. In this embodiment the first and the second sludge chamber 2, 3 concentrically arranged.
    The outer side wall 5 of the second sieve chamber 3 thus forms a common side wall between the two sludge chambers 2, 3 for exchanging heat between the two sludge chambers.
    In the embodiment shown, sludge of the first type is pre-dewatered sludge, while sludge of the second type is digested sludge. Since the digested sludge is hotter than the pre-drained siam,
    DK 201800038 U3, heat will be transferred via the common side wall 5 from the second sludge chamber 3 to the first sludge chamber 2.
    The tank 1 is designed so that the first sludge chamber 2 and the second sludge chamber 3 have a common bottom 6.
    Furthermore, the tank 1 comprises a common lid 7 for covering the first and the second sludge chamber 2, 3. The common lid 7 defines a common gas collection chamber 8 for collecting gas from sludge stored in the first and the second sludge chamber 2, 3.
    FIG. 2 shows a tank 1 seen from above. The lid 7 has different openings. In order to be able to access the sludge chamber 2 first, an access cover 9 is arranged in the door. Furthermore, the lid 7 comprises a safety valve 10 which enables the discharge of gas if the pressure in the tank 1 becomes too great.
    To enable agitation of sludge in the second sludge chamber 3, the tank 1 comprises a stirrer 11 (see Figs. 3 and 4). The stirrer 11 communicates with a gear motor 12 arranged on the lid 7, which enables stirring from a position on top of the tank 1. To facilitate access to the lid, the tank 1 comprises an external staircase 13.
    FIG. 3 and Fig. 4 shows a tank 1 with a first sludge chamber 2 and a second sludge chamber 3. In Figs. 4, the lid and the two sludge chambers have been removed to better illustrate the other elements, such as access cover 9, safety valve 10, a stirrer 11, motor 12 for the stirrer and the external staircase 13.
    The tank 1 further comprises a manhole 14 and two further stirrers 15, which enable stirring in the first sludge chamber.
    The tank 1 further comprises a flow structure for providing a sludge flow between the sludge chambers 2, 3 and a digestion tank (not shown) and plant for pre-drainage / concentration of sludge (not whisk), as well as a final dewaterer (not shown).
    The pipe section 16 enables the discharge of sludge from the digester tank to the second sludge chamber 3, while the pipe section 17 enables the discharge of sludge from the second sludge chamber 3 to the sludge drain.
    The pipe sections 18 enable the discharge of sludge from one or more plants for pre-drainage / concentration of sludge (not shown) to the first sludge chamber 2, while the pipe section 19 enables the discharge of sludge from the first sludge chamber 2 to the digestion tank (not shown).
    DK 201800038 U3
    The other pipe sections 20 are available pipe sections and emergency overflows.
    DK 201800038 U3
    权利要求:
    Claims (15)
    [1]
    REQUIREMENTS
    1. Sludge storage tank; which tank comprises:
    a first sludge chamber for storing sludge of a first type,
    a second sludge chamber for storing sludge of a different type, characterized in that the first sludge chamber and the second sludge chamber are arranged in thermal connection for the exchange of heat between the first and the second sludge chamber.
    [2]
    A tank according to claim 1, wherein the first sludge chamber comprises at least a first side wall and the second sludge chamber comprises at least a second side wall, and wherein at least a part of the first side wall and at least a part of the second side wall are constituted by a common side wall for heat exchange.
    [3]
    A tank according to claim 1 or 2, wherein the one sludge chamber defines an outer sludge chamber arranged so as to encircle the other sludge chamber defining an inner sludge chamber.
    [4]
    A tank according to claim 3, wherein a transition between the inner sludge chamber and the outer sludge chamber is constituted by a common side wall, and wherein the insulating capacity of the common side wall is less than the insulating capacity of an outer side wall of the outer sludge chamber.
    [5]
    A tank according to any one of the preceding claims, wherein at least one of the first and second sludge chambers comprises a substantially circular outer side wall.
    [6]
    The tank of claim 5, wherein the first and second sludge chambers are concentrically disposed.
    [7]
    A tank according to any one of the preceding claims, wherein both the first and second sludge chambers comprise a flow structure for providing a sludge flow between the sludge chamber and a digestion tank.
    [8]
    The tank of claim 7, wherein the flow structure comprises a first flow structure for providing a first sludge flow from the first sludge chamber to the digester and a second flow structure for providing a second sludge flow from the digester to the second sludge chamber.
    DK 201800038 U3
    [9]
    A tank according to any one of the preceding claims, wherein at least one of the first and second sludge chambers comprises a lid for covering the first and / or the second sludge chamber.
    [10]
    A tank according to claim 9, wherein the lid comprises at least one gas opening for discharge and / or supply of gas from and / or to the first and / or second sludge chamber.
    [11]
    A tank according to claim 10, wherein the tank is in fluid communication with a gas storage via the gas opening.
    [12]
    A tank according to any one of claims 9-11, wherein the first and second sludge chambers comprise a common lid for covering the first and second sludge chambers.
    [13]
    The tank of claim 12, wherein the common lid defines a common gas collection chamber
    10 collecting gas from sludge stored in the first and second sludge chambers.
    [14]
    A tank according to any one of the preceding claims, wherein the tank is sealed.
    [15]
    A tank according to any one of the preceding claims, further comprising a inlet port located in the lower part of at least one of the first and second sludge chambers for sludge discharge.
    A tank according to any one of the preceding claims, further comprising a discharge opening disposed in the lower part of at least one of the first and second sludge chambers for discharging sludge.
    DK 201800038 U3
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    DK 201800038 U3

    Fig . 2
    DK 201800038 U3

    DK 201800038 U3
    类似技术:
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    同族专利:
    公开号 | 公开日
    EP3513699A1|2019-07-24|
    DK179474B1|2018-11-27|
    DK179474B8|2018-12-21|
    US20190223663A1|2019-07-25|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US2635252A|1949-12-08|1953-04-21|Agnes M Gerue|Sink dish protector|
    US2806227A|1955-01-28|1957-09-17|Gustave Miller|Disposable sink mat and garbage wrapper|
    US2817851A|1957-01-04|1957-12-31|Dorothy J Barnwell|Disposable wash-bowl liners|
    US4784082A|1986-11-20|1988-11-15|Steven Wolfe|Disposable litter box system|
    US4938607A|1987-08-17|1990-07-03|Kelley Patrick W|Sack-forming sheet|
    US5062392A|1990-04-10|1991-11-05|The Procter & Gamble Company|Filtering and disposal system for pet litter|
    US5815856A|1996-12-19|1998-10-06|Dore; Steven P.|Protective mat for sinks and counters|
    US5991942A|1998-06-22|1999-11-30|Neal; Crystal|Disposable sink and drain protector and rubbish collector|
    NL1012822C2|1999-08-13|2001-02-14|Berend Koster|Device for carrying objects.|
    US8960127B2|2011-09-16|2015-02-24|Martin Miller|Waste pad|
    US20160032573A1|2014-07-30|2016-02-04|James T Gavin|Protective sink cover|
    IL243154A|2015-12-23|2021-02-28|Grinberg Maor|Disposable container for use in a sink|
    US9930999B1|2016-10-04|2018-04-03|Felipe De La Hoz|Disposable sink cover|
    法律状态:
    2018-11-27| PAT| Application published|Effective date: 20181127 |
    2018-11-27| PME| Patent granted|Effective date: 20181127 |
    优先权:
    申请号 | 申请日 | 专利标题
    DKPA201800038A|DK179474B8|2018-01-22|2018-01-22|Disposable Sink Mat with Integral Cord|DKPA201800038A| DK179474B8|2018-01-22|2018-01-22|Disposable Sink Mat with Integral Cord|
    EP19150291.3A| EP3513699A1|2018-01-22|2019-01-04|Disposable sink mat with integral cord|
    US16/243,152| US20190223663A1|2018-01-22|2019-01-09|Disposable sink mat with integral cord|
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