CN216744397U - Boiler ash removing system - Google Patents
Boiler ash removing system Download PDFInfo
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- CN216744397U CN216744397U CN202123262098.2U CN202123262098U CN216744397U CN 216744397 U CN216744397 U CN 216744397U CN 202123262098 U CN202123262098 U CN 202123262098U CN 216744397 U CN216744397 U CN 216744397U
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- slag
- dust collection
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- well
- removal system
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Abstract
The utility model discloses a boiler ash removal system, which comprises a dry slag conveying component, a slag discharging component and a dust collecting component; the dry slag conveying assembly comprises a slag well and a dry slag machine, the slag well is connected with a slag outlet of the negative pressure boiler, and a slag inlet of the dry slag machine is connected with a slag outlet of the slag well; the slag discharging assembly comprises a slag bin and a slag discharging device, the slag bin is connected with a slag outlet of the slag drying machine, and the slag discharging device is connected with a slag outlet of the slag bin; the dust collection assembly comprises a dust collection pipe and a dust collection pneumatic door, the slag discharging device is connected with the slag drying machine through the dust collection pipe, and the dust collection pneumatic door is arranged on the dust collection pipe. The utility model provides a boiler ash removal system need not add dust collecting equipment in addition and can accomplish the work of unloading the sediment and gathering dust, has simplified the system, has practiced thrift the cost, has improved the safety and stability nature of equipment.
Description
Technical Field
The utility model relates to a clean technical field of boiler, in particular to system is got rid of to boiler lime-ash.
Background
When the boiler is fired by coal, ash and slag are generated, the heavier dust and slag fall into a slag well from the boiler, the temperature of the slag is higher and sometimes reaches 500 ℃, the temperature of an outer protection plate of the slag well is easily high, and maintenance personnel are easily scalded; wherein, part of the slag is in a molten state and is easy to accumulate in the slag well to form slag bridging accumulation, so that the boiler is shut down; because the large slag blocks in the slag contain metal components and have higher hardness, the large slag blocks are easy to block a slag drying machine, so that the slag drying machine is stopped; in addition, contain more dust in the lime-ash, adopt the mode of installing dust collecting equipment to get rid of the dust alone among the traditional boiler ash removal system, dust collection efficiency is low, and equipment reliability is poor, and the sediment storehouse dust remover and unload the sediment dust remover and often break down, can not normally work, and the plant maintenance work load is big, and still easily causes the raise dust, leads to environmental pollution.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a boiler ash removal system which can complete the slag and dust removal without additionally arranging dust removal equipment; the technical problems of high failure rate, poor equipment reliability, environmental protection hidden trouble of easy dust emission and the like of the dust removal device in the prior art are solved.
In order to solve the technical problem, the utility model discloses an adopt following technical scheme to realize:
the utility model provides a boiler ash removal system, which comprises a dry slag conveying component, a slag discharging component and a dust collecting component; the dry slag conveying assembly comprises a slag well and a dry slag machine, the slag well is connected with a slag outlet of the negative pressure boiler, and a slag inlet of the dry slag machine is connected with a slag outlet of the slag well; the slag discharging assembly comprises a slag bin and a slag discharging device, the slag bin is connected with a slag outlet of the slag drying machine, and the slag discharging device is connected with a slag outlet of the slag bin; the dust collection assembly comprises a dust collection pipe and a dust collection pneumatic door, the slag discharging device is connected with the slag drying machine through the dust collection pipe, and the dust collection pneumatic door is arranged on the dust collection pipe.
As a preferred scheme of the boiler ash removal system of the present invention, wherein: the dust collection check valve is arranged on the dust collection pipe.
As a preferred scheme of the boiler ash removal system of the present invention, wherein: the slag discharging assembly further comprises a balance pipe, and the slag bin is connected with the slag drying machine through the balance pipe.
As a preferred scheme of the boiler ash removal system of the present invention, wherein: the slag discharging assembly further comprises a slag discharging balance door, and the slag discharging balance door is installed on the balance pipe.
As a preferred scheme of the boiler ash removal system of the present invention, wherein: the slag discharging assembly further comprises a slag crusher, and a slag inlet of the slag crusher is connected with a slag outlet of the slag drying machine; and the slag inlet of the slag bin is connected with the slag outlet of the slag crusher.
As a preferred scheme of the boiler ash removal system of the present invention, wherein: the slag discharging assembly also comprises a slag discharging room; the slag discharging room is of a closed structure, and a slag outlet of the slag discharging device penetrates through the top wall of the slag discharging room and extends into the slag discharging room.
As a preferred scheme of the boiler ash removal system of the present invention, wherein: a slag well guard plate is arranged in the slag well; the slag well protective plate is designed to be an interlayer, the outer layer of the slag well protective plate is a common steel plate, the inner layer of the slag well protective plate is a smooth wear-resistant steel plate, and the middle layer of the slag well protective plate is a heat-insulating pouring material.
As a preferred scheme of the boiler ash removal system of the present invention, wherein: and a shutoff door is arranged on the slag well and is a wafer type hydraulic door.
As a preferred scheme of the boiler ash removal system of the present invention, wherein: and a plurality of door plate beams are arranged on the wafer type hydraulic door.
As a preferred scheme of the boiler ash slag removing system of the utility model, wherein: the device comprises a screen monitoring device, wherein the screen monitoring device is arranged on the positions of two sides above the shutoff door.
Compared with the prior art, the utility model discloses the beneficial effect who reaches:
the utility model discloses will unload sediment equipment, sediment storehouse and link to each other with dry sediment machine body, dry sediment machine body links to each other with boiler slag well, when the sediment storehouse unloads the sediment, utilize negative pressure of negative pressure boiler, will unload in the sediment raise dust recovery to dry sediment machine body and negative pressure boiler through the pipe that gathers dust, thereby avoided the pollution of ash and slag raise dust to the environment, need not add in addition the dust arrester installation can accomplish and unload sediment dust collection work, simplified the system, improved the stability of equipment;
the slag well protection plate is designed to be an interlayer, the middle layer is made of heat insulation castable, a good heat insulation effect is achieved, and when the temperature inside the slag well is high, the temperature outside the slag well protection plate is normal, so that the risk of scalding personnel is eliminated;
in addition, the bottom of the slag well is provided with the shutoff door, the shutoff door can extrude and crush the slag blocks with large block diameters, the problems that slag in the slag well is easy to accumulate and bridge, the slag blocks are large in jamming and dry slag machines and the like are solved, and the equipment is safer and more reliable.
Drawings
FIG. 1 is a schematic structural view of a boiler ash removal system provided by the present invention;
in the figure: 1. a negative pressure boiler; 2. a slag well; 3. a slag drying machine; 4. a slag crusher; 5. a slag bin; 6. a slag discharge device; 7. a slag discharging room; 8. slag car; 9. a slag discharge balance door; 10. a dust collection pneumatic door; 11. a dust collection check valve; 12. the gate is turned off; 13. provided is a video monitoring device.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in figure 1, the boiler ash removal system provided by the utility model comprises a dry slag conveying component, a slag discharging component and a dust collecting component; specifically, the dry slag conveying assembly comprises a slag well 2 and a slag drying machine 3; the slag well 2 is connected with a slag outlet of the negative pressure boiler 1; the slag drying machine 3 is preferably a scale bucket type slag drying machine, and a slag inlet of the slag drying machine 3 is connected with a slag outlet of the slag well 2. Wherein, be equipped with the sediment well backplate in the sediment well 2, it is preferred, the sediment well backplate is the intermediate layer design, and the sediment well backplate is outer to be ordinary steel sheet, and the inlayer is smooth wear-resisting steel sheet, and the intermediate level is thermal-insulated pouring material, and its intermediate level has good heat-insulating effect, and when the inside temperature of sediment well is higher, sediment well backplate outside temperature is close the normal atmospheric temperature, has eliminated scald personnel's risk, has improved the security when the overhaul of the equipments maintains the operation.
In one embodiment, a shutoff door 12 is arranged on the slag well 2, the shutoff door 12 is a wafer type hydraulic door, and a plurality of door plate beams are arranged on the wafer type hydraulic door; preferably, the distance between the door plate beams is 300mm, the door plate beams are uniformly distributed, large slag blocks with the block diameter larger than 300mm fall onto the door plate beams of the shutoff door 12, and small slag blocks and ash fall into the slag drying machine 3; furthermore, the shutoff door 12 is preferably a rail type oppositely-clamped hydraulic door with a door beam, the thickness of a door plate is 200 mm-400 mm, and the shutoff door 12 can be closed to extrude large slag blocks on the door beam, so that the large slag blocks fall into the slag drying machine 3 after being crushed into small slag blocks. Furthermore, the screen monitoring devices 13 are installed at the positions of the two sides above the door frame of the shutoff door 12, so that the accumulation condition of large slag blocks on the plate beam of the shutoff door 12 can be monitored in real time, and if the large slag blocks are accumulated, the shutoff door 12 can be opened and closed back and forth to extrude slag. This embodiment has solved the easy bridge of piling up of slag in the slag well, and the slag cinder is big blocks unsmooth dry sediment machine scheduling problem, and equipment is safe and reliable more.
In one embodiment, the slag discharging assembly comprises a slag bin 5 and a slag discharging device 6; the slag bin 5 is connected with the slag outlet of the slag drying machine 3, and the slag discharging device 6 is connected with the slag outlet of the slag bin 4; further, the slag discharging assembly also comprises a balance pipe, the slag bin 5 is connected with the slag drying machine 3 through the balance pipe, and a slag discharging balance door 9 is arranged on the balance pipe; further, the slag discharging assembly also comprises a slag crusher 4 and a slag discharging room 7, and a slag inlet of the slag crusher 4 is connected with a slag outlet of the slag drying machine 3; a slag inlet of the slag bin 5 is connected with a slag outlet of the slag crusher 4; wherein the slag discharging room 7 is of a closed structure, and a slag outlet of the slag discharging device 6 penetrates through the top wall of the slag discharging room 7 and extends into the slag discharging room 7. In addition, the dust collection assembly comprises a dust collection pipe and a dust collection pneumatic door 10; the slag discharging device 6 is connected with the slag drying machine 3 through a dust collecting pipe; the dust collection pneumatic door 10 is arranged on the dust collection pipe; further, the dust collection assembly further comprises a dust collection check valve 11, and the dust collection check valve 11 is installed on the dust collection pipe.
In the specific practical application, ash slag formed after pulverized coal combustion in the negative pressure boiler 1 falls onto a slag well protection plate in a slag well 2, then the ash slag falls onto a door plate beam of a shutoff door 12, the shutoff door 12 is in an open state when in normal operation, the door plate of the shutoff door 12 is above the door plate beam, when the shutoff door 12 is in the open state, the door plate of the shutoff door 12 is in a door frame of the shutoff door, the ash slag with small block diameter falls into a slag drier 3 from a gap of the door plate beam of the shutoff door 12, slag blocks with large block diameter fall onto the door plate beam, when a video monitoring device 13 finds that the door plate beam of the shutoff door 12 is provided with large slag blocks, the shutoff door 12 is opened and closed back, the large slag blocks are crushed by extrusion and are crushed until small slag blocks fall into the slag drier, then the shutoff door 12 is kept in the open state, the ash slag is conveyed into a slag crusher 4 connected with a slag outlet by the slag drier 3, is further crushed, and is temporarily stored in a slag bin 5 after the crushing is completed, when the bin level of the slag bin 5 is high, the slag car 8 is driven into the slag discharging room 7, the dust collection pneumatic door 10 and the slag discharging balance door 9 are opened, negative pressure is formed in the slag discharging room 7 and the slag discharging device 6, and the slag discharging device 6 is started to discharge slag; when the slag car 8 is full, the slag unloading device 6, the slag discharging balance door and the dust collection pneumatic door 10 are closed to finish slag unloading, and the slag car is driven out of the slag discharging room.
In the boiler ash removal system of the utility model, the slag unloading device 6 and the slag bin 5 are both connected with the slag drying machine 3 body, and the raised dust generated during slag unloading is recovered into the slag drying machine 3 body and the negative pressure boiler 1 by utilizing the negative pressure generated during the working of the negative pressure boiler 1, thereby avoiding the pollution of the ash raised dust to the environment, completing the slag unloading and dust collecting work without additionally arranging dust collecting equipment, simplifying the system and saving the production cost; and a dust removal device is omitted, so that the environmental protection hidden danger of poor equipment reliability and easy dust raising is thoroughly solved, and the safety and stability of the equipment are further improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (10)
1. A boiler ash removal system characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the dry slag conveying assembly comprises a slag well (2) and a slag drying machine (3); the slag well (2) is connected with a slag outlet of the negative pressure boiler (1); the slag inlet of the slag drying machine (3) is connected with the slag outlet of the slag well (2);
the slag unloading assembly comprises a slag bin (5) and a slag unloading device (6); the slag bin (5) is connected with a slag outlet of the slag drying machine (3), and the slag discharging device (6) is connected with the slag outlet of the slag bin (5);
the dust collection assembly comprises a dust collection pipe and a dust collection pneumatic door (10); the slag discharging device (6) is connected with the slag drying machine (3) through a dust collecting pipe; the dust collection pneumatic door (10) is arranged on the dust collection pipe.
2. A boiler ash removal system as claimed in claim 1, wherein: the dust collection assembly further comprises a dust collection check valve (11), and the dust collection check valve (11) is installed on the dust collection pipe.
3. A boiler ash removal system as claimed in claim 1 or 2, wherein: the slag discharging assembly further comprises a balance pipe, and the slag bin (5) is connected with the slag drying machine (3) through the balance pipe.
4. A boiler ash removal system as set forth in claim 3, wherein: the slag discharging assembly further comprises a slag discharging balance door (9), and the slag discharging balance door (9) is installed on the balance pipe.
5. A boiler ash removal system as set forth in claim 4, wherein: the slag discharging assembly further comprises a slag crusher (4), and a slag inlet of the slag crusher (4) is connected with a slag outlet of the slag dryer (3); and a slag inlet of the slag bin (5) is connected with a slag outlet of the slag crusher (4).
6. A boiler ash removal system as set forth in claim 5, wherein: the slag discharging assembly also comprises a slag discharging room (7); the slag discharging room (7) is of a closed structure, and a slag outlet of the slag discharging device (6) penetrates through the top wall of the slag discharging room (7) and extends into the slag discharging room (7).
7. A boiler ash removal system as claimed in claim 1 or 6, wherein: a slag well guard plate is arranged in the slag well (2); the slag well protective plate is designed to be an interlayer, the outer layer of the slag well protective plate is a common steel plate, the inner layer of the slag well protective plate is a smooth wear-resistant steel plate, and the middle layer of the slag well protective plate is a heat-insulating pouring material.
8. A boiler ash removal system as set forth in claim 7, wherein: the slag well (2) is provided with a shutoff door (12), and the shutoff door (12) is a wafer type hydraulic door.
9. A boiler ash removal system as set forth in claim 8, wherein: and a plurality of door plate beams are arranged on the wafer type hydraulic door.
10. A boiler ash removal system as set forth in claim 9, wherein: the device comprises a view screen monitoring device (13), wherein the view screen monitoring device (13) is arranged on the positions of two sides above the shutoff door (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123262098.2U CN216744397U (en) | 2021-12-23 | 2021-12-23 | Boiler ash removing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123262098.2U CN216744397U (en) | 2021-12-23 | 2021-12-23 | Boiler ash removing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216744397U true CN216744397U (en) | 2022-06-14 |
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ID=81937097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123262098.2U Active CN216744397U (en) | 2021-12-23 | 2021-12-23 | Boiler ash removing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216744397U (en) |
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2021
- 2021-12-23 CN CN202123262098.2U patent/CN216744397U/en active Active
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