CN218993437U

CN218993437U - Flue gas purifying structure

Info

Publication number: CN218993437U
Application number: CN202223392261.1U
Authority: CN
Inventors: 赵先兵; 刘军; 张帅; 李正波; 武少波; 吕盘生
Original assignee: Yulin Yushen Industrial Zone Qingshuiyuan Thermal Power Co ltd
Current assignee: Yulin Yushen Industrial Zone Qingshuiyuan Thermal Power Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-05-09
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses a smoke purification structure, which relates to the technical field of boiler smoke purification and comprises a boiler, wherein a recovery mechanism is arranged outside the boiler and comprises a heat insulation box, a first water inlet pipe is fixedly communicated with the outer surface of the heat insulation box, a plurality of baffles are fixedly connected to the inner wall of the heat insulation box, a first communication pipe is fixedly communicated with the outer surface of the heat insulation box, a water suction pump is arranged outside the heat insulation box, one end of the first communication pipe, which is far away from the heat insulation box, is communicated with the input end of the water suction pump, and a second communication pipe is fixedly communicated with the output end of the water suction pump. It can retrieve the heat in the flue gas through the setting of boiler and recovery mechanism to through retrieving heat to industrial water in reuse, improved the initial temperature of the industrial water that the boiler needs to burn, thereby practiced thrift the coal quantity, the energy saving avoids heat in the flue gas to discharge into in the air and causes the thermal pollution simultaneously.

Description

Flue gas purifying structure

Technical Field

The utility model relates to the technical field of boiler flue gas purification, in particular to a flue gas purification structure.

Background

The boiler is an energy conversion device, the energy input to the boiler is chemical energy and electric energy in fuel, the boiler outputs steam, high temperature water or organic heat carrier with certain heat energy, coal is usually used as the fuel of the boiler, and when the coal is combusted, a large amount of dust is generated along with flue gas, and the dust is directly discharged into the air to cause pollution, so that the flue gas purification structure is used for filtering and purifying the dust generated by the flue gas.

According to the boiler flue gas dust removal purification device disclosed in the patent number CN216677390U, the device is provided with a plurality of cloth bag dust removal assemblies in the second dust removal chamber, so that the air flow can have more bending tracks in the horizontal direction, and the dust removal cloth bags distributed up and down can form more upward and downward flowing air flows in the running process, so that the contact area of the cloth bags and dust-containing flue gas can be increased, the dust removal efficiency of the cloth bags is improved, and the service life of the cloth bags is prolonged.

However, in the implementation process, the scheme does not have the function of recovering and utilizing heat of the heat-containing flue gas generated by the boiler, the flue gas generated by the boiler during operation contains a large amount of heat, the conventional flue gas purifying structure generally cannot recover and utilize the heat in the flue gas, so that a large amount of heat energy is wasted, and meanwhile, the high-temperature flue gas is discharged into the air to cause heat pollution; to this end, we provide a flue gas cleaning structure that solves the above problems.

Disclosure of Invention

The utility model aims to make up the defects of the prior art and provides a smoke purifying structure.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a flue gas purification structure, includes the boiler, the outside of boiler is provided with recovery mechanism, recovery mechanism includes the heat-insulating box, the external surface fixed intercommunication of heat-insulating box has first inlet tube, the inner wall fixedly connected with of heat-insulating box has a plurality of baffles, the external surface fixed intercommunication of heat-insulating box has first connecting pipe, the outside of heat-insulating box is provided with the suction pump, the one end that the heat-insulating box was kept away from to first connecting pipe is linked together with the input of suction pump, the output fixed intercommunication of suction pump has the second communicating pipe, the second communicating pipe is linked together with the boiler, the external surface fixed intercommunication of heat-insulating box has the tobacco pipe of intaking, the tobacco pipe of intaking runs through the heat-insulating box and extends to the inside of heat-insulating box, the one end fixed intercommunication that the tobacco pipe is located the inside of heat-insulating box has the heat transfer pipe, the outside of boiler is provided with purification mechanism, purification mechanism includes the purifying box of fixed connection in the heat-insulating box bottom surface.

Further, the external surface fixed intercommunication of purifying box has the third communicating pipe, the one end that the purifying box was kept away from to the third communicating pipe runs through the heat-insulating box and extends to the inside of heat-insulating box, the one end that the purifying box was kept away from to the third communicating pipe is linked together with the one end that the heat transfer pipe kept away from into the tobacco pipe, and the third communicating pipe plays the conduction effect for the flue gas.

Further, the spout has been seted up to the inner wall of purifying box, the inner wall sliding connection of spout has the frame, the inner wall fixedly connected with dust removal filter of frame, and dust removal filter is prior art, can remove dust and filter the dust in the flue gas.

Further, the bottom surface fixedly connected with spring of purifying box, the bottom fixedly connected with disc of spring, the last fixed surface of disc is connected with the gag lever post, spacing hole has been seted up to the bottom surface of frame, and the setting of spring can avoid the gag lever post not to break away from spacing hole by the people.

Further, the gag lever post runs through the purifying box and with purifying box sliding connection, gag lever post and spacing hole looks adaptation, gag lever post and spacing hole can play spacing effect to the frame.

Further, the outside of purifying box is provided with the air exhauster, the input and the purifying box of air exhauster are linked together, and the air exhauster is prior art, can take out the flue gas after purifying the incasement purification to discharge in the exhaust hole of air exhauster.

Further, the upper surface of the boiler is fixedly communicated with a second water inlet pipe, the bottom surface of the boiler is fixedly communicated with a water outlet pipe, and the water outlet pipe is convenient for discharging high-temperature water.

Compared with the prior art, the flue gas purifying structure has the following beneficial effects:

1. according to the utility model, through the arrangement of the boiler and the recovery mechanism, heat in the flue gas can be recovered, and the heat is recovered into the industrial water for reuse, so that the initial temperature of the industrial water required to be burned by the boiler is increased, thereby saving the coal consumption and the energy, and simultaneously avoiding heat pollution caused by heat in the flue gas discharged into the air.

2. According to the utility model, through the arrangement of the purification mechanism, the flue gas with recovered heat can be subjected to dust removal and filtration through the dust removal filter plate, meanwhile, when the filtration effect of the dust removal filter plate is reduced after more flue gas is filtered, the disc is pulled, the limiting rod is pulled out of the limiting hole, the limiting of the dust removal filter plate is released, the dust removal filter plate can be pulled out of the sliding groove, the frame is replaced or cleaned, the dust removal filter plate is mounted again, and the limiting rod is inserted into the limiting hole, so that the dust removal and filtration effect of the flue gas is ensured.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view showing an internal structure of the heat insulating box of the present utility model;

FIG. 3 is a schematic view of the split structure of the purifying box and the frame of the present utility model;

fig. 4 is a schematic perspective view of the frame and the limiting hole of the present utility model.

In the figure: 1. a boiler; 2. a recovery mechanism; 21. a heat insulation box; 22. a first water inlet pipe; 23. a baffle; 24. a first communication pipe; 25. a water pump; 26. a second communicating pipe; 27. a smoke inlet pipe; 28. a heat transfer tube; 3. a purifying mechanism; 31. a purifying box; 32. a third communicating pipe; 33. a chute; 34. a frame; 35. a dust removal filter plate; 36. a limiting hole; 37. a spring; 38. a disc; 39. a limit rod; 310. an exhaust fan; 4. a second water inlet pipe; 5. and a water outlet pipe.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

This embodiment provides a flue gas purification structure, and the device can retrieve the heat in the flue gas to through retrieving heat to the industrial water in and recycle, improved the initial temperature of the industrial water that boiler 1 needs to burn, thereby practiced thrift the coal quantity, the energy saving, avoid the heat in the flue gas to discharge into in the air and cause the thermal pollution simultaneously.

Referring to fig. 1 and 2, a flue gas purifying structure comprises a boiler 1, wherein a supporting leg is arranged on the bottom surface of the boiler 1, the supporting leg plays a supporting role for the boiler 1, the boiler 1 is in the prior art, industrial water in the boiler 1 can be heated to generate high-temperature water with certain heat energy, a recovery mechanism 2 is arranged outside the boiler 1, the recovery mechanism 2 comprises a heat insulation box 21, the heat insulation box 21 is made of heat insulation materials, and heat loss in flue gas is avoided.

The fixed intercommunication of surface of heat-insulating box 21 has first inlet tube 22, the industrial water that needs fire can get into inside heat-insulating box 21 through first inlet tube 22, the inner wall fixedly connected with of heat-insulating box 21 has a plurality of baffles 23, the circulation route of industrial water at heat-insulating box 21 has been increased in the setting of baffle 23, and can make industrial water and heat transfer tube 28 fully contact the heat absorption, the fixed intercommunication of surface of heat-insulating box 21 has first connecting tube 24, the outside of heat-insulating box 21 is provided with suction pump 25, suction pump 25 is prior art, can take out industrial water in the heat-insulating box 21 and pour into in the boiler 1, suction pump 25's outside is provided with the water pump fixed block, support the fixed action for suction pump 25.

One end that first communicating pipe 24 kept away from heat-insulating box 21 is linked together with the input of suction pump 25, the fixed intercommunication of output of suction pump 25 has second communicating pipe 26, second communicating pipe 26 is linked together with boiler 1, the fixed intercommunication of surface of heat-insulating box 21 has into tobacco pipe 27, it gets into inside the heat-insulating box 21 to need purify the flue gas from advancing tobacco pipe 27, advance tobacco pipe 27 and run through heat-insulating box 21 and extend to the inside of heat-insulating box 21, advance the fixed intercommunication of one end that tobacco pipe 27 is located inside the heat-insulating box 21 and have heat transfer tube 28, the setting of heat transfer tube 28 makes the interior industrial water of heat-insulating box 21 fully contact with heat transfer tube 28, thereby retrieve the heat in the flue gas to the industrial water, heat transfer tube 28 is copper material, the heat transfer of being convenient for.

Referring to fig. 1, 3 and 4, the outside of the boiler 1 is provided with a purifying mechanism 3, the purifying mechanism 3 includes a purifying box 31 fixedly connected to the bottom surface of the heat insulation box 21, a supporting leg is provided at the bottom of the purifying box 31, a third communicating pipe 32 is fixedly communicated with the outer surface of the purifying box 31 for supporting the purifying box 31, one end of the third communicating pipe 32 far away from the purifying box 31 penetrates through the heat insulation box 21 and extends to the inside of the heat insulation box 21, one end of the third communicating pipe 32 far away from the purifying box 31 is communicated with one end of the heat transfer pipe 28 far away from the smoke inlet pipe 27, smoke in the heat transfer pipe 28 enters the inside of the purifying box 31 through the third communicating pipe 32 after heat recovery, and the third communicating pipe 32 plays a role in conducting the smoke.

The inner wall of purifying box 31 has seted up spout 33, and spout 33 plays the guide effect for frame 34, and the inner wall sliding connection of spout 33 has frame 34, and the inner wall fixedly connected with dust removal filter 35 of frame 34, dust removal filter 35 are prior art, can remove dust and filter the dust in the flue gas.

The bottom surface fixedly connected with spring 37 of purifying box 31, the bottom fixedly connected with disc 38 of spring 37, the upper surface fixedly connected with gag lever post 39 of disc 38, spacing hole 36 has been seted up to the bottom surface of frame 34, and spring 37 is tensile state when gag lever post 39 inserts spacing hole 36, and the setting of spring 37 can avoid gag lever post 39 not to break away from spacing hole 36 by the people.

The limiting rod 39 penetrates through the purifying box 31 and is in sliding connection with the purifying box 31, the limiting rod 39 is matched with the limiting hole 36, and the limiting rod 39 and the limiting hole 36 can play a limiting role on the frame 34.

The outside of purifying box 31 is provided with air exhauster 310, and air exhauster 310's input is linked together with purifying box 31, and air exhauster 310's outside is provided with the mount, for air exhauster 310 plays the support fixed action, and air exhauster 310 is prior art, can take the flue gas after purifying in the purifying box 31 out to discharge in air exhauster 310's the exhaust hole.

Referring to fig. 1, the upper surface of the boiler 1 is fixedly communicated with a second water inlet pipe 4, the second water inlet pipe 4 is arranged, water can be continuously added to the second water inlet pipe 4 when the industrial water for recovering heat is insufficient, a water outlet pipe 5 is fixedly communicated with the bottom surface of the boiler 1, valves are arranged on the second water inlet pipe 4 and the water outlet pipe 5, and the water outlet pipe 5 is arranged, so that high-temperature water can be conveniently discharged.

Working principle: when the device is used, industrial water is injected into the heat insulation box 21 from the first water inlet pipe 22, hot flue gas is injected into the heat transfer pipe 28 from the smoke inlet pipe 27, after the industrial water fully contacts with the heat transfer pipe 28, most of heat in the flue gas is absorbed by the industrial water, and the industrial water is pumped out by the water suction pump 25 and then is injected into the boiler 1, the boiler 1 can heat the industrial water, the device can recover the heat in the flue gas, and the heat is recovered into the industrial water for reuse, so that the initial temperature of the industrial water which needs to be burned by the boiler 1 is increased, the coal consumption is saved, the energy is saved, and meanwhile, the heat in the flue gas is prevented from being discharged into the air to cause heat pollution.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. A flue gas purification structure comprising a boiler (1), characterized in that: the outside of boiler (1) is provided with recovery mechanism (2), recovery mechanism (2) include heat-insulating box (21), the fixed intercommunication of surface of heat-insulating box (21) has first inlet tube (22), the inner wall fixedly connected with of heat-insulating box (21) has a plurality of baffles (23), the fixed intercommunication of surface of heat-insulating box (21) has first communication pipe (24), the outside of heat-insulating box (21) is provided with suction pump (25), the one end that heat-insulating box (21) was kept away from to first communication pipe (24) is linked together with the input of suction pump (25), the output fixed intercommunication of suction pump (25) has second communication pipe (26), second communication pipe (26) are linked together with boiler (1), the fixed intercommunication of surface of heat-insulating box (21) has into tobacco pipe (27), advance tobacco pipe (27) and run through the inside of heat-insulating box (21) and extend to heat-insulating box (21), the one end fixed intercommunication that advances (27) and be located heat-insulating box (21) inside has heat transfer pipe (28), the outside of boiler (1) is kept away from suction pump (25) is fixed to be linked together with second communication pipe (26) and boiler (1), the fixed connection of heat-insulating box (21) has purification mechanism (31).

2. A smoke purifying structure according to claim 1, wherein: the surface fixed intercommunication of purifying box (31) has third communicating pipe (32), the one end that purifying box (31) was kept away from to third communicating pipe (32) runs through heat insulation box (21) and extends to the inside of heat insulation box (21), the one end that purifying box (31) was kept away from to third communicating pipe (32) is linked together with the one end that heat transfer pipe (28) kept away from smoke tube (27).

3. A smoke purifying structure according to claim 1, wherein: the inner wall of purifying box (31) has seted up spout (33), the inner wall sliding connection of spout (33) has frame (34), the inner wall fixedly connected with dust removal filter (35) of frame (34).

4. A smoke-purifying structure according to claim 3, wherein: the bottom surface fixedly connected with spring (37) of purifying box (31), the bottom fixedly connected with disc (38) of spring (37), the upper surface fixedly connected with gag lever post (39) of disc (38), spacing hole (36) have been seted up to the bottom surface of frame (34).

5. A smoke purifying structure according to claim 4, wherein: the limiting rod (39) penetrates through the purifying box (31) and is in sliding connection with the purifying box (31), and the limiting rod (39) is matched with the limiting hole (36).

6. A smoke purifying structure according to claim 1, wherein: an exhaust fan (310) is arranged outside the purifying box (31), and the input end of the exhaust fan (310) is communicated with the purifying box (31).

7. A smoke purifying structure according to claim 1, wherein: the upper surface of boiler (1) is fixed to be linked together and is had second inlet tube (4), the bottom surface of boiler (1) is fixed to be linked together and is had outlet pipe (5).