CN211716548U

CN211716548U - Slag cooler of circulating fluidized bed boiler

Info

Publication number: CN211716548U
Application number: CN201922391668.4U
Authority: CN
Inventors: 朱玉龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-10-20
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a cold sediment ware of circulating fluidized bed boiler, including bottom plate and cooler bin, the bottom of cooler bin and the top fixed connection of bottom plate, the waterproof fan of fixed block fixedly connected with is passed through on the right side at cooler bin inner wall top, the bottom fixedly connected with air-collecting cover of waterproof fan, the small-size water pump of right side fixedly connected with at cooler bin top, small-size water pump's delivery port intercommunication has the outlet pipe, the one end that small-size water pump was kept away from to the outlet pipe runs through the cooler bin and extends to the inside of cooler bin, the utility model relates to a circulating fluidized bed boiler technical field. The slag cooler of the circulating fluidized bed boiler can quickly cool the slag and improve the cooling efficiency; the heat on the oblique steel plate is absorbed through the strong heat conductivity of the graphene plate and then dissipated through the radiating fins.

Description

Slag cooler of circulating fluidized bed boiler

Technical Field

The utility model relates to a circulating fluidized bed boiler technical field specifically is a cold sediment ware of circulating fluidized bed boiler.

Background

The circulating fluidized bed boiler adopts the clean coal combustion technology with the highest industrialization degree, adopts fluidized combustion, and mainly structurally comprises a combustion chamber (comprising a dense-phase region and a dilute-phase region) and a circulating return furnace (comprising a high-temperature gas-solid separator and a return system).

Fluidized bed boiler can produce a large amount of high temperature slag when using, must cool down to these high temperature slag when handling it, and current cooling method generally realizes through the forced air cooling, and cooling efficiency is lower relatively, and general slag is bulky, thereby causes the jam of arranging the material pipe easily to influence work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to prior art not enough, the utility model provides a cold sediment ware of circulating fluidized bed boiler has solved the problem that cooling efficiency is low and the slag easily causes the jam.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a cold sediment ware of circulating fluidized bed boiler, includes bottom plate and cooler bin, the bottom of cooler bin and the top fixed connection of bottom plate, the waterproof fan of fixed block fixedly connected with is passed through on the right side at cooler bin inner wall top, the bottom fixedly connected with air-collecting cover of waterproof fan, the right side fixedly connected with small-size water pump at cooler bin top, small-size water pump's delivery port intercommunication has the outlet pipe, the one end that small-size water pump was kept away from to the outlet pipe runs through the cooler bin and extends to the inside of cooler bin, the one end fixedly connected with nozzle of small-size water pump is kept away from to the outlet pipe, the oblique steel sheet of the equal fixedly connected with in both sides of cooler bin inner wall, two the bottom of oblique steel sheet all is through set screw fixedly connected with graphite alkene.

Preferably, the bottom of the inner wall of the cooling box is fixedly connected with a crushing box through a support, and the right side of the inner wall of the crushing box is rotatably connected with a rotating shaft through a bearing.

Preferably, the left end of axis of rotation runs through crushing case, cooling tank in proper order and extends to the outside of cooling tank, the surface of axis of rotation just is located the inner wall fixedly connected with who smashes the case and smashes the wheel.

Preferably, the left side of the cooling box is fixedly connected with a driving motor through a motor base, and an output shaft of the driving motor is fixedly connected with the left end of the rotating shaft through a coupler.

Preferably, the top of bottom plate just is located the rear fixedly connected with purifying box of cooler bin, the top fixedly connected with air exhauster of purifying box, the air intake of air exhauster passes through the air-supply line and communicates with the rear side of cooler bin, the air outlet of air exhauster communicates through the top of air-out pipe with the purifying box.

Preferably, the filter screen is fixedly connected between the two sides of the inner wall of the purification box, and the activated carbon layer is fixedly connected between the two sides of the inner wall of the purification box and positioned at the bottom of the filter screen.

Preferably, the left side intercommunication at cooling box top has the feeder hopper, the bottom intercommunication of smashing the case has the discharging pipe, the bottom of discharging pipe runs through cooling box, bottom plate in proper order and extends to the bottom plate.

Preferably, the back of purifying box intercommunication has the delivery pipe, the equal fixedly connected with stabilizer blade in both sides of bottom plate bottom, the water inlet intercommunication of small-size water pump has the inlet tube.

Advantageous effects

The utility model provides a slag cooler of a circulating fluidized bed boiler. Compared with the prior art, the method has the following beneficial effects:

(1) the water-proof fan is fixedly connected to the right side of the top of the inner wall of the cooling box through a fixing block, the bottom of the water-proof fan is fixedly connected with a wind collecting cover, the small water pump is fixedly connected to the right side of the top of the cooling box, a water outlet of the small water pump is communicated with a water outlet pipe, one end of the water outlet pipe, far away from the small water pump, penetrates through the cooling box and extends into the cooling box, one end of the water outlet pipe, far away from the small water pump, is fixedly connected with a nozzle, two sides of the inner wall of the cooling box are fixedly connected with inclined steel plates, the bottoms of the two inclined steel plates are fixedly connected with graphene plates through fixing screws, the bottoms of the two graphene plates are fixedly connected with radiating fins, water sprayed by the nozzle can be sprayed onto the water-proof fan to form water mist with extremely fine particles, so that slag can be rapidly cooled, and then the heat on the inclined steel plate is absorbed through the strong heat conductivity of the graphene plate and then is dissipated through the radiating fins, so that the cooling efficiency of the slag is further increased.

(2) This cold sediment ware of circulating fluidized bed boiler, smash the case through support fixedly connected with in the bottom of cooler bin inner wall, the right side of smashing the incasement wall is rotated through the bearing and is connected with the axis of rotation, the left end of axis of rotation runs through in proper order and smashes the case, the cooler bin extends to the outside of cooler bin, the surface of axis of rotation and the inner wall fixedly connected with who is located crushing case smash the wheel, it can smash the great slag of volume to smash the wheel, prevent that these great slag of volume from leading to the fact the jam to the discharging pipe, and the work efficiency is increased.

(3) This cold sediment ware of circulating fluidized bed boiler, through fixedly connected with filter screen between the both sides at the purifying box inner wall, the bottom fixedly connected with activated carbon layer that just is located the filter screen between the both sides of purifying box inner wall, the filter screen can filter the graininess thing that contains in the waste residue, and the pungent smell gas that the absorbent high temperature furnace slag in the activated carbon layer gived off improves operating personnel's life health safety.

Drawings

FIG. 1 is a main sectional view of the structure of the present invention;

FIG. 2 is a side view of a partial structure of the present invention;

fig. 3 is a sectional view of the local structure of the purification box of the present invention.

In the figure: 1. a base plate; 2. a cooling tank; 3. a waterproof fan; 4. a wind collecting cover; 5. a small-sized water pump; 6. A water outlet pipe; 7. a nozzle; 8. a sloping steel plate; 9. a set screw; 10. a graphene plate; 11. a heat sink; 12. a support; 13. a crushing box; 14. a rotating shaft; 15. a grinding wheel; 16. a motor base; 17. a drive motor; 18. a purification box; 19. an exhaust fan; 20. an air inlet pipe; 21. an air outlet pipe; 22. filtering with a screen; 23. An activated carbon layer; 24. a feed hopper; 25. a discharge pipe; 26. a support leg; 27. a water inlet pipe; 28. a discharge pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a slag cooler of a circulating fluidized bed boiler comprises a bottom plate 1 and a cooling box 2, the bottom of the cooling box 2 is fixedly connected with the top of the bottom plate 1, the right side of the top of the inner wall of the cooling box 2 is fixedly connected with a waterproof fan 3 through a fixed block, the waterproof fan is electrically connected with an external power supply and is controlled by controlling the switch, the bottom of the waterproof fan 3 is fixedly connected with a wind collecting cover 4, the right side of the top of the cooling box 2 is fixedly connected with a small water pump 5 which is electrically connected with the external power supply and is controlled by controlling the switch, a water outlet of the small water pump 5 is communicated with a water outlet pipe 6, one end of the water outlet pipe 6, far away from the small water pump 5, penetrates through the cooling box 2 and extends to the inside of the cooling box 2, one end of the water outlet pipe 6, far away from the small water pump 5, the two oblique steel plates 8 are arranged in a vertically staggered manner, so that slag can automatically slide down and stay time of the slag in the cooling box 2 can be prolonged, the cooling efficiency is high, the bottoms of the two oblique steel plates 8 are fixedly connected with the graphene plates 10 through the fixing screws 9, the graphene plates 10 have super-strong heat conductivity and are matched with the radiating fins 11, the radiating efficiency is high, the disassembly and the replacement are convenient through the fixing screws 9, the radiating fins 11 are fixedly connected with the bottoms of the two graphene plates 10, water sprayed out through the nozzles 7 can be sprinkled onto the waterproof fan 3 to form water mist with extremely fine particles, so that the slag can be rapidly cooled, the cooling efficiency is improved, the bottom of the inner wall of the cooling box 2 is fixedly connected with the crushing box 13 through the bracket 12, the right side of the inner wall of the crushing box 13 is rotatably connected with the rotating shaft 14 through the bearing, the left end of the rotating shaft 14 sequentially penetrates through the crushing box 13, the surface of the rotating shaft 14 and the inner wall of the crushing box 13 are fixedly connected with crushing wheels 15, the crushing wheels 15 can crush slag with larger volume to prevent the slag with larger volume from blocking a discharging pipe, the left side of the cooling box 2 is fixedly connected with a driving motor 17 through a motor base 16, the driving motor 17 is electrically connected with an external power supply and is controlled by a control switch, an output shaft of the driving motor 17 is fixedly connected with the left end of the rotating shaft 14 through a coupler, the top of the bottom plate 1 and the rear part of the cooling box 2 are fixedly connected with a purifying box 18, the top of the purifying box 18 is fixedly connected with an exhaust fan 19, the exhaust fan is electrically connected with the external power supply and is controlled by the control switch, an air inlet of the exhaust fan 19 is communicated with the rear side of the cooling box 2 through an air inlet pipe 20, an air outlet of the exhaust fan 19 is communicated with the top of the purifying box 18 through an, between the both sides of purifying box 18 inner wall and be located filter screen 22's bottom fixedly connected with activated carbon layer 23, filter screen 22 can filter the graininess thing that contains in the waste residue, the pungent smell gas that high temperature furnace slag gived off can be absorbed to the activated carbon in activated carbon layer 23, the left side intercommunication at 2 tops of cooler bin has feeder hopper 24, the bottom intercommunication of smashing case 13 has discharging pipe 25, cooler bin 2 is run through in proper order to discharging pipe 25's bottom, bottom plate 1 and extend to bottom plate 1, the back intercommunication of purifying box 18 has delivery pipe 28, the equal fixedly connected with stabilizer blade 26 in both sides of bottom plate 1 bottom, the water inlet intercommunication of small-size water pump 5 has inlet tube 27, the one end that small-size water pump 5 was kept away from to inlet tube 27.

During operation, the generated high-temperature slag enters the cooling box 2 through the feed hopper 24, the slag slides downwards on the inclined steel plate 8, the waterproof fan 3 and the small-sized water pump 5 are started, the small-sized water pump 5 conveys water in an external water tank to the nozzle 7 through the water inlet pipe 27 and further through the water outlet pipe 6, the nozzle 7 sprays the water on the waterproof fan 3 to form water mist with extremely fine particles, so that the slag can be rapidly cooled, most of heat is transferred to the inclined steel plate 8 through a heat transfer mode when passing through the inclined steel plate 8, the heat on the inclined steel plate 8 is absorbed through the strong heat conductivity of the graphene plate 10 and then is dissipated through the radiating fins 11, the cooled slag enters the crushing box 13, the driving motor 17 is started, the crushing wheel 15 is driven to rotate through the rotating shaft 14, the slag is crushed, the crushed slag is discharged through the discharge pipe 25, the exhaust fan 19 is started while cooling is performed, waste gas generated by high-temperature slag in the cooling box 2 is sucked into the purifying box 18 through the air inlet pipe 20 and the air outlet pipe 21, granular substances contained in the waste slag can be filtered through the filter screen 22, irritant odor gas emitted by the high-temperature slag can be absorbed through the active carbon in the active carbon layer 23, and the purified gas is discharged through the discharge pipe 28.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cold sediment ware of circulating fluidized bed boiler, includes bottom plate (1) and cooler bin (2), the top fixed connection of the bottom of cooler bin (2) and bottom plate (1), its characterized in that: the right side of the top of the inner wall of the cooling box (2) is fixedly connected with a waterproof fan (3) through a fixed block, the bottom of the waterproof fan (3) is fixedly connected with a wind collecting cover (4), the right side of the top of the cooling box (2) is fixedly connected with a small water pump (5), a water outlet of the small water pump (5) is communicated with a water outlet pipe (6), one end of the water outlet pipe (6) far away from the small water pump (5) penetrates through the cooling box (2) and extends into the cooling box (2), one end of the water outlet pipe (6) far away from the small-sized water pump (5) is fixedly connected with a nozzle (7), the equal fixedly connected with oblique steel sheet (8) in both sides of cooler bin (2) inner wall, two the bottom of oblique steel sheet (8) is all through set screw (9) fixedly connected with graphite alkene board (10), two the equal fixedly connected with fin (11) in bottom of graphite alkene board (10).

2. The slag cooler of the circulating fluidized bed boiler according to claim 1, wherein: the bottom of cooling box (2) inner wall is through support (12) fixedly connected with crushing case (13), the right side of crushing case (13) inner wall is connected with axis of rotation (14) through the bearing rotation.

3. The slag cooler of the circulating fluidized bed boiler according to claim 2, wherein: the left end of axis of rotation (14) runs through in proper order and smashes case (13), cooling box (2) and extend to the outside of cooling box (2), the surface of axis of rotation (14) just is located the inner wall fixedly connected with who smashes case (13) and smashes wheel (15).

4. The slag cooler of the circulating fluidized bed boiler according to claim 2, wherein: the left side of cooler bin (2) is through motor cabinet (16) fixedly connected with driving motor (17), the output shaft of driving motor (17) passes through the shaft coupling and the left end fixed connection of axis of rotation (14).

5. The slag cooler of the circulating fluidized bed boiler according to claim 1, wherein: the top of bottom plate (1) just is located rear fixedly connected with purifying box (18) of cooler bin (2), the top fixedly connected with air exhauster (19) of purifying box (18), the rear side intercommunication of air inlet through air-supply line (20) and cooler bin (2) of air exhauster (19), the air outlet of air exhauster (19) is through the top intercommunication of air-out pipe (21) and purifying box (18).

6. The slag cooler of the circulating fluidized bed boiler according to claim 5, wherein: fixedly connected with filter screen (22) between the both sides of purifying box (18) inner wall, just be located bottom fixedly connected with activated carbon layer (23) of filter screen (22) between the both sides of purifying box (18) inner wall.

7. The slag cooler of the circulating fluidized bed boiler according to claim 2, wherein: the left side intercommunication at cooling box (2) top has feeder hopper (24), the bottom intercommunication of smashing case (13) has discharging pipe (25), the bottom of discharging pipe (25) runs through cooling box (2), bottom plate (1) in proper order and extends to bottom plate (1).

8. The slag cooler of the circulating fluidized bed boiler according to claim 5, wherein: the back of the purifying box (18) is communicated with a discharge pipe (28), two sides of the bottom plate (1) are fixedly connected with support legs (26), and a water inlet of the small water pump (5) is communicated with a water inlet pipe (27).