Semi-closed dry ash silo dust suppression device

Abstract

The utility model provides a dust suppression device of a semi-closed dry ash silo, and relates to the field of dust suppression of ash silos. The water mist spraying mechanism comprises a water storage tank, a water conveying pipe and a plurality of atomizing nozzles, the water conveying pipe is arranged along the bottom edge of the ash silo top plate, the atomizing nozzles are arranged on the water conveying pipe at intervals, and the water conveying pipe is connected with the water storage tank through a water pump; the water circulation mechanism comprises water receiving assemblies and a filtering assembly, the two water receiving assemblies are arranged on the two sides of the inlet and outlet direction of an automobile respectively, each water receiving assembly comprises a water receiving plate, a limiting plate and a mounting plate, the mounting plates are fixed to the side walls of the ash silo supporting stand columns, one side of each water receiving plate is connected with the bottom of the corresponding mounting plate through a flexible connecting belt, and the other side of each water receiving plate is hinged to the corresponding limiting plate. The limiting plate is provided with a connecting piece; the filtering assembly comprises a circulating water pipe and a filter, one end of the circulating water pipe is connected with the end of the flexible connecting belt, and the other end of the circulating water pipe is connected with the water conveying pipe. The dust raising phenomenon during dry ash discharging of the ash silo can be effectively reduced, an atomized water source can be recycled, and energy conservation and environmental protection are achieved.

Description

Technical Field

[0001] The utility model relates to the field of dust suppression in ash silos, and in particular to a dust suppression device for a semi-enclosed dry ash silo. Background Art

[0002] Coal in coal-fired power plants produces a lot of fly ash, smoke ash, etc. after burning in the boiler. The output of these fly ash is very large, so it is necessary to set up a special ash storage to temporarily store this part of fly ash. There are two types of ash storage: semi-enclosed and fully enclosed.

[0003] A large amount of dust will be generated when loading dry ash into the semi-enclosed ash silo. There is a large amount of dust flying in the entire ash loading operation area, and a large amount of dust is generated all the time, causing serious pollution to the ground, space and surrounding of the ash silo. The dust content seriously exceeds the standard, seriously affecting the health of on-site operators and the safe and reliable operation of equipment, and failing to meet the requirements of safe and civilized production. Utility Model Content

[0004] The utility model aims to provide a semi-enclosed dry ash silo dust suppression device, which can effectively reduce the dust phenomenon when the dry ash is discharged from the ash silo, and can recycle the atomized water source, thus saving energy and protecting the environment.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A semi-enclosed dry ash silo dust suppression device comprises a water mist spraying mechanism and a water circulation mechanism; the water mist spraying mechanism comprises a water storage tank, a water delivery pipe and a plurality of atomizing nozzles, the water delivery pipe is arranged along the bottom edge of the ash silo top plate, a plurality of atomizing nozzles are arranged at intervals on the water delivery pipe and communicated with the water delivery pipe, and the water delivery pipe is connected to the water storage tank through a water pump;

[0007] The water circulation mechanism includes a water receiving assembly and a filtering assembly. The water receiving assembly is provided with two groups, and the two groups of water receiving assemblies are respectively arranged on both sides of the inlet and outlet directions of the automobile. The water receiving assembly includes a water receiving plate, a limiting plate and a mounting plate. The mounting plate is fixed to the side wall of the ash bin supporting column. One side of the water receiving plate is connected to the bottom of the mounting plate through a soft connecting belt, and the other side of the water receiving plate is hinged to the limiting plate. The limiting plate is provided with a connecting piece, and the connecting piece is used to connect to the ash bin or the automobile; the filtering assembly includes a circulating water pipe and a filter. One end of the circulating water pipe is connected to the end of the soft connecting belt, and the other end of the circulating water pipe is connected to the water supply pipe. The filter is arranged on the circulating water pipe.

[0008] Furthermore, in the utility model, two mounting plates are provided, and the two mounting plates are respectively fixed to the lower part of the ash bin supporting column; the flexible connecting belt is arc-shaped, one side of the flexible connecting belt is fixedly connected to the bottom of the mounting plate, and the other side of the flexible connecting belt is fixedly connected to one side of the water receiving plate.

[0009] Furthermore, in the utility model, end plates are respectively provided at both ends of the flexible connection belt, wherein at least one of the end plates is provided with a circulating water hole, and the circulating water hole is connected to the circulating water pipe.

[0010] Furthermore, in the utility model, the width of the water receiving plate is greater than the distance between the automobile compartment and the supporting columns of the ash bin.

[0011] Furthermore, in the utility model, the connecting member includes an elastic connecting belt and a connecting hook, one end of the elastic connecting belt is connected to a side of the limiting plate away from the water receiving plate, and the other end of the elastic connecting belt is connected to the connecting hook.

[0012] Furthermore, in the utility model, a circular ring is provided on the upper part of the ash bin supporting column, and the circular ring is adapted to the connecting hook.

[0013] Furthermore, in the utility model, the water supply pipe includes a main pipe and a plurality of water supply branches, the plurality of water supply branches are arranged in a ring-shaped manner at intervals at the bottom edge of the top of the ash bin, and the plurality of water supply branches are respectively connected to the main pipe, and the main pipe is respectively connected to the water storage tank and the circulating water pipe through a water pump.

[0014] Furthermore, in the utility model, the water outlet directions of the atomizing nozzles on two adjacent water supply branches are opposite or opposite to each other, wherein the water outlet direction of the atomizing nozzle on the water supply branch located on the outside is toward the inside of the ash bin, and the water outlet direction of the atomizing nozzle on the water supply branch located on the inside is toward the outside of the ash bin.

[0015] Furthermore, in the present invention, the soft connection belt is made of rubber or silicone.

[0016] Furthermore, in the utility model, the water circulation mechanism also includes a drain pipe, and the drain pipe is connected to the circulating water pipe between the filter and the flexible connection belt through a control valve.

[0017] The utility model has at least the following advantages or beneficial effects:

[0018] The utility model arranges multiple atomizing nozzles at the bottom edge of the ash bin top plate, and transports water through a water pipe and a water tank to spray water mist to suppress dust, which can effectively reduce the large amount of dust flying when the dry ash is discharged; by arranging a water receiving assembly and a filter assembly at the bottom, the limit plate abuts against the car compartment, and the water receiving plate is connected between the limit plate and the mounting plate, so that the water after the dust removal spraying from the top can be received, and the water receiving assembly can be folded inward and stored on the ash bin support column when not in use through a soft connection belt and a hinged manner, and can be opened and connected to the car compartment when in use; the collected water is filtered and purified through a circulating water pipe and a filter, and then transported to the water pipe for recycling. The present application can effectively reduce the dust phenomenon when the dry ash is discharged from the ash bin, and can recycle the atomized water source, which is energy-saving and environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 A structural front view of a semi-enclosed dry ash silo and a dust suppression device provided in an embodiment of the present application;

[0021] Figure 2 A top view of a water pipe provided in an embodiment of the present application;

[0022] Figure 3 A schematic diagram of the structure of the water receiving assembly provided in an embodiment of the present application.

[0023] Icons: 11-water pipe, 110-main pipe, 111-water branch, 12-atomizing nozzle, 21-water receiving plate, 22-limiting plate, 23-mounting plate, 24-soft connecting belt, 25-circulating water pipe, 26-drainage pipe, 27-end plate, 28-elastic connecting belt, 29-connecting hook, 3-ash receiving area, 31-support column, 32-ring, 33-car, 4-ash placing area. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] Example

[0027] Please refer to Figure 1-Figure 3 , which is a schematic structural diagram of a semi-enclosed dry ash silo dust suppression device in an embodiment of the utility model;

[0028] The present embodiment provides a semi-enclosed dry ash silo dust suppression device, including a water mist spraying mechanism and a water circulation mechanism; the water mist spraying mechanism includes a water storage tank, a water delivery pipe 11 and a plurality of atomizing nozzles 12, the water delivery pipe 11 is arranged along the bottom edge of the ash silo top plate, the plurality of atomizing nozzles 12 are arranged at intervals on the water delivery pipe 11 and communicate with the water delivery pipe 11, and the water delivery pipe 11 is connected to the water storage tank through a water pump;

[0029] The water circulation mechanism includes a water receiving component and a filtering component. The water receiving component is provided with two groups, and the two groups of water receiving components are respectively arranged on both sides of the inlet and outlet directions of the automobile 33. The water receiving component includes a water receiving plate 21, a limiting plate 22 and a mounting plate 23. The mounting plate 23 is fixed to the side wall of the ash bin supporting column 31. One side of the water receiving plate 21 is connected to the bottom of the mounting plate 23 through a soft connecting belt 24, and the other side of the water receiving plate 21 is hinged to the limiting plate 22. The limiting plate 22 is provided with a connecting piece, and the connecting piece is used to connect with the ash bin or the automobile 33; the filtering component includes a circulating water pipe 25 and a filter. One end of the circulating water pipe 25 is connected to the end of the soft connecting belt 24, and the other end of the circulating water pipe 25 is connected to the water pipe 11. The filter is arranged on the circulating water pipe 25.

[0030] Next, a semi-enclosed dry ash silo dust suppression device according to this exemplary embodiment will be further described.

[0031] It should be noted that the ash bin in the embodiment of the present application includes an ash discharge area 4 and an ash receiving area 3. The ash discharge area 4 is located above the ash receiving area 3. Both the ash discharge area 4 and the ash receiving area 3 are formed by welding a plurality of steel purlins to form a rectangular frame structure, and both include a top plate and a plurality of supporting columns 31. The top plate of the ash receiving area 3 is connected to the top of the plurality of supporting columns 31. An automobile entrance 33 and an automobile exit 33 are provided on opposite sides of the ash receiving area 3. The automobile 33 drives from the entrance and exit and stops in the ash receiving area 3 to receive ash. A large amount of dust will be generated when the ash discharge area 4 discharges ash. Therefore, the present application sets a dust suppression device in the ash receiving area 3 to reduce dust flying.

[0032] In some embodiments of the present application, the water mist spraying mechanism includes a water tank, a water pipe 11 and a plurality of atomizing nozzles 12. The water tank can be placed on one side of the ash receiving area 3 or in the ash placing area 4. The water pipe 11 is arranged along the bottom edge of the top plate of the ash bin and can be fixed to the ash bin by a snap. A plurality of atomizing nozzles 12 are arranged at intervals on the water pipe 11 and are connected to the water pipe 11, acting around the car 33, effectively reducing dust flying without affecting the ash receiving. The water pipe 11 is connected to the water tank through a water pump. By starting the water pump, the water in the water tank can be transported to the atomizing nozzle 12 through the water pipe 11 for spraying.

[0033] As a preferred embodiment, the water delivery pipe 11 includes a main pipe 110 and a plurality of water delivery branches 111, the plurality of water delivery branches 111 are arranged at intervals in a ring at the bottom edge of the top of the ash bin, and the plurality of water delivery branches 111 are respectively connected to the main pipe 110, and the main pipe 110 is respectively connected to the water storage tank through a water pump. The plurality of water delivery branches 111 are arranged at intervals in a ring, which can increase the area of ​​atomization spraying, thereby improving the dust suppression efficiency.

[0034] As a preferred embodiment, the water outlet directions of the atomizing nozzles 12 on the two adjacent water delivery manifolds 111 are opposite or opposite to each other, wherein the water outlet direction of the atomizing nozzle on the outer water delivery manifold 111 is toward the inside of the ash bin, and the water outlet direction of the atomizing nozzle 12 on the inner water delivery manifold 111 is toward the outside of the ash bin. The above design allows the water outlet directions of the multiple atomizing nozzles 12 to intersect with each other, thereby increasing the coverage area of ​​the atomizing spray and further improving the dust suppression effect.

[0035] In some embodiments of the present application, the water circulation mechanism includes a water receiving assembly and a filtering assembly. The water receiving assembly is provided with two groups, and the two groups of water receiving assemblies are respectively arranged on both sides of the inlet and outlet directions of the automobile 33. The water receiving assembly includes a water receiving plate 21, a limiting plate 22 and a mounting plate 23. The mounting plate 23 is fixed to the side wall of the ash bin support column 31. One side of the water receiving plate 21 is connected to the bottom of the mounting plate 23 through a soft connecting belt 24, and the other side of the water receiving plate 21 is hinged to the limiting plate 22. The connection method between the soft connecting belt 24 and the hinged connection , so that the water receiving assembly can be folded and unfolded. When in use, it is unfolded, and the soft connection belt 24 can be used as a water flow channel. When not in use, it is folded and stored in the support column 31, and it does not affect the entry and exit of the car 33; the above-mentioned limit plate 22 is provided with a connector, which is used to connect with the ash bin or the car 33. When the water receiving assembly is unfolded, the limit plate 22 is close to the car 33 compartment, and the connector can be connected to the compartment to fix the water receiving assembly. When the water receiving assembly is stored, it can be folded and connected to the support column 31 through the connector. The filter assembly includes a circulating water pipe 25 and a filter. One end of the circulating water pipe 25 is connected to the end of the soft connection belt 24, and the other end of the circulating water pipe 25 is connected to the water pipe 11. The filter is arranged on the circulating water pipe 25. The water after spraying for dust removal falls downward into the water receiving plate 21, flows into the flexible connecting belt 24 along the water receiving plate 21, and then flows into the circulating water pipe 25 from the end of the flexible connecting belt 24. After flowing into the filter through the circulating water pipe 25 for filtration and purification, it is transported to the water supply pipe 11 for circulating atomization spraying for dust suppression.

[0036] As a preferred embodiment, two mounting plates 23 are provided, and the two mounting plates 23 are respectively fixed to the lower part of the ash bin support column 31; the soft connection belt 24 is arc-shaped, one side of the soft connection belt 24 is fixedly connected to the bottom of the mounting plate 23, and the other side of the soft connection belt 24 is fixedly connected to one side of the water receiving plate 21. The soft connection belt 24 forms a water receiving channel between the mounting plate 23 and the water receiving plate 21, and is set to an arc shape so that the water flow is not easy to overflow.

[0037] As a preferred embodiment, end plates 27 are respectively provided at both ends of the flexible connection belt 24, wherein at least one end plate 27 is provided with a circulating water hole, and the circulating water hole is connected to the circulating water pipe 25. By providing the end plate 27 at the end of the flexible connection belt 24, the water source is blocked from flowing out, and by providing the circulating water hole on the end plate 27, the water flows into the circulating water pipe 25 through the circulating water hole for atomization circulation. The above design can effectively reduce the waste of atomized water, recycle water resources, reduce resource waste, and save energy and protect the environment.

[0038] As a preferred embodiment, the soft connection belt 24 is made of rubber or silicone material, has a certain hardness to carry the atomized water for transportation, and makes the water receiving plate 21 easy to fold.

[0039] As a preferred embodiment, the width of the water receiving plate 21 is greater than the distance between the car 33 and the ash bin support column 31. When the water receiving plate 21 is unfolded, it is inclined between the car 33 and the support column 31, so that the sprayed water source falling on the water receiving plate 21 can slide along its inclined surface to the soft connection belt 24 and quickly receive water.

[0040] As a preferred embodiment, the connecting member includes an elastic connecting belt 28 and a connecting hook 29, one end of the elastic connecting belt 28 is connected to the side of the limiting plate 22 away from the water receiving plate 21, and the other end of the elastic connecting belt 28 is connected to the connecting hook 29. The limiting plate 22 can be hooked to the open edge of the carriage through the elastic connecting belt 28 and the connecting hook 29, thereby fixing the limiting plate 22, and it can also be hooked to the supporting column 31, thereby storing and fixing it.

[0041] As a preferred embodiment, a ring 32 is provided on the upper part of the ash bin support column 31, and the ring 32 is adapted to the connecting hook 29. That is, when storing, the connecting hook 29 is hooked with the ring 32 to fix it, and it is convenient to disassemble and assemble.

[0042] As a preferred embodiment, the water circulation mechanism further includes a drain pipe 26, which is connected to the circulating water pipe 25 between the filter and the flexible connection belt 24 through a control valve. By setting the drain pipe 26, when drainage is required, the control valve can be opened to drain the water, and the drainage can be connected to a designated drainage position through the drain pipe 26 to avoid affecting the environment of the ash storage area.

[0043] In a specific embodiment, when the water mist spraying mechanism is started, the water receiving assembly is unfolded, the limit plate 22 thereof is fitted with the car compartment of the automobile 33, the connecting hook 29 is hooked with the open edge of the car compartment, the water receiving plate 21 is inclined, and the falling water sprayed by the atomizing nozzle 12 is mixed with dust and falls into the water receiving plate 21, slides along the inclined surface of the water receiving plate 21 to the flexible connecting belt 24, flows along the flexible connecting belt 24 to its two ends, flows into the circulating water pipe 25 through the circulating water hole, and is then transported to the filter for filtration and purification, and then transported to the water delivery pipe 11 through a water pump, and then atomized sprayed by the atomizing nozzle 12 for dust removal, thereby completing water recycling; after the dust removal is completed, the water receiving assembly is stored, the limit plate 22 and the water receiving plate 21 are close to the mounting plate 23, the connecting hook 29 is hooked with the ring 32 of the supporting column 31, and then the limit plate 22 and the water receiving plate 21 are fixed, so as not to affect the entry and exit of the automobile 33.

[0044] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A semi-enclosed dry ash silo dust suppression device, characterized in that: It includes a water mist spraying mechanism and a water circulation mechanism; the water mist spraying mechanism includes a water storage tank, a water pipe and a plurality of atomizing nozzles, the water pipe is arranged along the bottom edge of the ash bin top plate, the plurality of atomizing nozzles are arranged at intervals on the water pipe and communicated with the water pipe, and the water pipe is connected to the water storage tank through a water pump; The water circulation mechanism includes a water receiving assembly and a filtering assembly. The water receiving assembly is provided with two groups, and the two groups of water receiving assemblies are respectively arranged on both sides of the inlet and outlet directions of the automobile. The water receiving assembly includes a water receiving plate, a limiting plate and a mounting plate. The mounting plate is fixed to the side wall of the ash bin supporting column. One side of the water receiving plate is connected to the bottom of the mounting plate through a soft connecting belt, and the other side of the water receiving plate is hinged to the limiting plate. The limiting plate is provided with a connecting piece, and the connecting piece is used to connect to the ash bin or the automobile; the filtering assembly includes a circulating water pipe and a filter. One end of the circulating water pipe is connected to the end of the soft connecting belt, and the other end of the circulating water pipe is connected to the water supply pipe. The filter is arranged on the circulating water pipe.

2. The semi-enclosed dry ash silo dust suppression device according to claim 1 is characterized in that: There are two mounting plates, which are respectively fixed to the lower part of the ash bin supporting column; the soft connection belt is arc-shaped, one side of the soft connection belt is fixedly connected to the bottom of the mounting plate, and the other side of the soft connection belt is fixedly connected to one side of the water receiving plate.

3. The dust suppression device of the semi-enclosed dry ash silo according to claim 2 is characterized in that: End plates are respectively provided at both ends of the flexible connection belt, wherein at least one of the end plates is provided with a circulating water hole, and the circulating water hole is connected to the circulating water pipe.

4. The dust suppression device of the semi-enclosed dry ash silo according to claim 1 is characterized in that: The width of the water receiving plate is greater than the distance between the automobile compartment and the supporting columns of the ash bin.

5. The dust suppression device of the semi-enclosed dry ash silo according to claim 1 is characterized in that: The connecting member comprises an elastic connecting belt and a connecting hook, one end of the elastic connecting belt is connected to a side of the limiting plate away from the water receiving plate, and the other end of the elastic connecting belt is connected to the connecting hook.

6. The dust suppression device of the semi-enclosed dry ash silo according to claim 5 is characterized in that: A circular ring is provided on the upper part of the ash bin supporting column, and the circular ring is adapted to the connecting hook.

7. The dust suppression device of the semi-enclosed dry ash silo according to claim 1 is characterized in that: The water supply pipe includes a main pipe and a plurality of water supply branches, the plurality of water supply branches are arranged in a ring-shaped manner at intervals at the bottom edge of the top of the ash bin, and the plurality of water supply branches are respectively connected to the main pipe, and the main pipe is respectively connected to the water storage tank and the circulating water pipe through a water pump.

8. The dust suppression device of the semi-enclosed dry ash silo according to claim 7 is characterized in that: The water outlet directions of the atomizing nozzles on two adjacent water supply branches are opposite or opposite to each other, wherein the water outlet direction of the atomizing nozzle on the outer water supply branch is toward the inner side of the ash bin, and the water outlet direction of the atomizing nozzle on the inner water supply branch is toward the outer side of the ash bin.

9. The dust suppression device of the semi-enclosed dry ash silo according to claim 1 is characterized in that: The soft connection belt is made of rubber or silicone.

10. The dust suppression device of the semi-enclosed dry ash silo according to claim 1 is characterized in that: The water circulation mechanism also includes a drain pipe, which is connected to the circulating water pipe between the filter and the flexible connection belt through a control valve.

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