CN220818645U

CN220818645U - Boiler waste heat recovery equipment

Info

Publication number: CN220818645U
Application number: CN202322592983.XU
Authority: CN
Inventors: 崔丽芹; 程蕾; 李国良; 李国锋
Original assignee: Weifang Shide Energy Saving And Environmental Protection Technology Co ltd
Current assignee: Weifang Shide Energy Saving And Environmental Protection Technology Co ltd
Priority date: 2023-09-25
Filing date: 2023-09-25
Publication date: 2024-04-19
Anticipated expiration: 2033-09-25

Abstract

The utility model discloses a boiler waste heat recovery device, which relates to the technical field of waste heat recovery and comprises a treatment box, wherein waste heat recovery components are arranged in the treatment box, and two smoke exhaust components are arranged on the outer side of the treatment box. According to the boiler waste heat recovery device provided by the utility model, the first annular pipe and the second annular pipe are used for conveying high-temperature flue gas at a constant speed, heat generated by the high-temperature flue gas is conducted through the heat conducting cylinder, then the water source is sprayed to the heat conducting cylinder by the spray head, so that the water source absorbs the heat on the surface of the heat conducting cylinder, the water source after the heat absorption is discharged through the water discharge pipe, the high-temperature flue gas is conveyed conveniently, the stay time of the high-temperature flue gas in the treatment box is effectively prolonged, the heat absorption efficiency of the water source is greatly improved, and the heat exchange between the water source and the high-temperature flue gas is uniform.

Description

Boiler waste heat recovery equipment

Technical Field

The utility model relates to the technical field of waste heat recovery, in particular to boiler waste heat recovery equipment.

Background

The boiler waste heat recovery equipment mainly refers to equipment capable of recovering energy from high-temperature tail gas discharged by an industrial boiler, and the high-temperature tail gas is subjected to heat exchange through a heat exchanger, so that heat in the tail gas is recovered.

For example, the utility model discloses a boiler tail gas waste heat recovery utilizes device for CN208431793U, including the air inlet that one end is connected with the boiler, be equipped with flue gas import and flue gas export in the opposite both sides of box along box length direction, the regulator is connected with flue gas import, installs three heat exchangers at least in the box along box length direction. The utility model aims to overcome the defects of the prior art, and provides a boiler tail gas waste heat recycling device, which realizes the recycling of tail gas waste heat, reduces the production cost, protects the environment and improves the economic benefit.

Because waste heat recovery equipment is in the use, it is even to be difficult to ensure the heat transfer between water source and the high temperature flue gas for the heat is difficult to make full use of, leads to the waste heat to be difficult to even by the abundant absorption of water source.

Disclosure of utility model

The utility model is provided in view of the problem that the existing waste heat recovery equipment is difficult to ensure uniform heat exchange between a water source and high-temperature flue gas, so that waste heat is difficult to be uniformly and fully absorbed by the water source.

Accordingly, the present utility model aims to provide a boiler waste heat recovery apparatus, which aims to: the high-temperature flue gas is ensured to run in the waste heat recovery equipment at a constant speed, so that heat is uniformly absorbed by a water source.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a boiler waste heat recovery equipment, its includes the processing case, the inside of processing case is equipped with waste heat recovery part, the outside of processing case is equipped with two fume extractor parts.

The waste heat recovery part includes the first ring pipe of joint inside the processing case, the outer wall and the second ring pipe cross winding of first ring pipe, the second ring pipe joint is inside the processing case, the bottom of first ring pipe and second ring pipe all is provided with the air inlet, the top of first ring pipe and second ring pipe all is provided with the gas outlet, the inside both ends of processing case respectively with the both ends fixed connection that the heat-conducting tube corresponds, the outer wall at the heat-conducting tube is established to the equal cover of first ring pipe and second ring pipe, the top of processing case is provided with the water pump, the bottom fixedly connected with shower nozzle of water pump, and the shower nozzle is in inside the heat-conducting tube, the bottom fixedly connected with drain pipe of processing case, the drain pipe is linked together with the heat-conducting tube through processing case, the outside of processing case is equipped with two filter components.

As a preferable scheme of the boiler waste heat recovery apparatus of the present utility model, wherein: the filter component comprises a filter box fixedly connected to the outer side of the treatment box, two guide grooves are formed in the bottom end and the top end of the filter box, one side of each guide groove located above the filter box is communicated with the inner side of the treatment box, four guide blocks are fixedly connected to two sides of the frame respectively, and the four guide blocks are slidably connected to the four guide grooves respectively to limit the frame.

As a preferable scheme of the boiler waste heat recovery apparatus of the present utility model, wherein: the frame is internally clamped with a first filter screen, the frame is internally clamped with a second filter screen, and the shape of the frame is matched with the shape of the filter box to filter flue gas.

As a preferable scheme of the boiler waste heat recovery apparatus of the present utility model, wherein: the smoke exhausting component comprises a cover plate hinged to the top end of the filter box, and one side, corresponding to the cover plate, of the two guide blocks located above the cover plate is overlapped with one side, corresponding to the cover plate, of the two guide blocks, so that the frame is convenient to detach.

As a preferable scheme of the boiler waste heat recovery apparatus of the present utility model, wherein: the apron is close to two mounting panels of one side fixedly connected with that the guide block corresponds, two mounting grooves have been seted up on the top of rose box, and two mounting panels joint respectively in two mounting grooves, the top threaded connection of mounting panel has two bolts, and two bolts all pass mounting panel threaded connection on the top of rose box, fix the top cap.

As a preferable scheme of the boiler waste heat recovery apparatus of the present utility model, wherein: the top fixedly connected with of apron goes out the tobacco pipe, the top of apron is linked together with the bottom that goes out the tobacco pipe, the through-hole has been seted up on the top that goes out the tobacco pipe, the flue gas of airing exhaust.

As a preferable scheme of the boiler waste heat recovery apparatus of the present utility model, wherein: the top joint of going out the tobacco pipe has the limit disc, the shape of limit disc and the shape looks adaptation of through-hole seal out the tobacco pipe.

The utility model has the beneficial effects that:

1. Through first annular pipe and second annular pipe will be at the inside operation of first annular pipe and second annular pipe at the uniform velocity to high temperature flue gas, the heat that high temperature flue gas produced will conduct through the heat conduction tube, the shower nozzle spouts the water source to the heat conduction tube afterwards for the water source absorbs the heat on heat conduction tube surface, and the water source after the heat absorption finishes is discharged through the drain pipe, when having made things convenient for carrying high temperature flue gas, the effectual time that has increased high temperature flue gas and stop at the treatment box inside, make the heat transfer between water source and the high temperature flue gas evenly of absorbing heat promote greatly, so that the heat transfer between water source and the high temperature flue gas.

2. The high-temperature flue gas is discharged into the filter tank through the air outlet, and is filtered through the first filter screen and the second filter screen in the frame, because the length of the two guide grooves in the upper side is smaller than that of the two guide grooves in the lower side, along with the frame being pulled, the two guide blocks in the upper side are gradually separated from the guide grooves, and finally the high-temperature flue gas after heat absorption is conveniently filtered from the inside of the filter tank, so that the pollution to the surrounding environment after the discharge of the high-temperature flue gas internal particulate matters is avoided, and meanwhile, the first filter screen and the second filter screen are conveniently detached, so that the filtering efficiency of the first filter screen and the second filter screen to the high-temperature flue gas is guaranteed.

3. Through apron and rose box coincidence for the apron is spacing to two guide blocks that are located the top, inserts mounting panel and mounting groove with the bolt and fixes the apron afterwards, and rotates behind the spacing dish, make the position of spacing dish gradually with go out the through-hole dislocation of tobacco pipe top, make high temperature flue gas will discharge through the through-hole, make things convenient for the guide block to carry out spacingly, make the frame by stable fixing inside the rose box, also made things convenient for simultaneously to go out the tobacco pipe and seal, so that control high temperature flue gas emission opportunity, avoid impurity to get into the rose box through the through-hole.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is a schematic diagram of the overall structure of the boiler waste heat recovery apparatus of the present utility model.

Fig. 2 is a schematic view of a cross-sectional perspective structure of the waste heat recovery apparatus of the boiler of the present utility model.

Fig. 3 is a schematic cross-sectional perspective view of a filter box of the boiler waste heat recovery apparatus of the present utility model.

Fig. 4 is a schematic cross-sectional perspective view of a smoke outlet pipe of the boiler waste heat recovery apparatus of the present utility model.

Reference numerals illustrate:

1. A treatment box; 2. a waste heat recovery unit; 21. a first annular tube; 22. a second annular tube; 23. an air inlet; 24. an air outlet; 25. a heat conduction tube; 26. a water pump; 27. a spray head; 28. a drain pipe; 29. a filter assembly; 291. a filter box; 292. a guide groove; 293. a frame; 294. a first filter screen; 295. a second filter screen; 296. a guide block; 3. a smoke exhausting member; 31. a cover plate; 32. a mounting plate; 33. a mounting groove; 34. a bolt; 35. a smoke outlet pipe; 36. a through hole; 37. and a limiting disc.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

Example 1

Referring to fig. 1-2, for the first embodiment of the present utility model, there is provided a boiler waste heat recovery apparatus including a treatment tank 1, a waste heat recovery part 2 is provided inside the treatment tank 1, and two smoke exhaust parts 3 are provided outside the treatment tank 1.

The waste heat recovery part 2 comprises a first annular pipe 21 which is clamped inside the treatment box 1, the outer wall of the first annular pipe 21 and a second annular pipe 22 are wound in a crossing manner, the second annular pipe 22 is clamped inside the treatment box 1, air inlets 23 are formed in the bottom ends of the first annular pipe 21 and the second annular pipe 22, air outlets 24 are formed in the top ends of the first annular pipe 21 and the second annular pipe 22, two ends of the inside of the treatment box 1 are fixedly connected with two ends corresponding to the heat conducting cylinder 25 respectively, the first annular pipe 21 and the second annular pipe 22 are sleeved on the outer wall of the heat conducting cylinder 25, a water pump 26 is arranged at the top end of the treatment box 1, a spray head 27 is fixedly connected with the bottom end of the water pump 26 and is positioned inside the heat conducting cylinder 25, a drain pipe 28 is fixedly connected with the bottom end of the treatment box 1 and is communicated with the heat conducting cylinder 25 through the treatment box 1, and two filter assemblies 29 are arranged on the outer side of the treatment box 1

In the use, high temperature flue gas gets into first annular pipe 21 and second annular pipe 22 through air inlet 23, because the even cross arrangement of first annular pipe 21 and second annular pipe 22, high temperature flue gas will be at the inside operation of first annular pipe 21 and second annular pipe 22 at the uniform velocity, along with high temperature flue gas flows in first annular pipe 21 and the inside of second annular pipe 22, the heat that high temperature flue gas produced will conduct through heat conduction tube 25, later carry the water source through water pump 26, and spout the water source to heat conduction tube 25 through shower nozzle 27, make the water source absorb the heat of heat conduction tube 25 surface, and can discharge drain pipe 28 below processing box 1 after the heat absorption finishes, when having made things convenient for carrying high temperature flue gas, the effectual time that has increased high temperature flue gas and stay in processing box 1 inside, make the efficiency of water source absorption heat promote greatly, so that the heat transfer between water source and the high temperature flue gas is even.

Example 2

Referring to fig. 1-3, a second embodiment of the present utility model is shown, which differs from the first embodiment in that:

The filter assembly 29 comprises a filter box 291 fixedly connected to the outer side of the processing box 1, two guide grooves 292 are formed in the bottom end and the top end of the filter box 291, one side of each guide groove 292 located above is communicated with the inner side of the processing box 1, four guide blocks 296 are fixedly connected to two sides of a frame 293 respectively, the four guide blocks 296 are slidably connected to the four guide grooves 292 respectively, a first filter screen 294 is clamped in the frame 293, a second filter screen 295 is clamped in the frame 293, and the shape of the frame 293 is matched with that of the filter box 291.

In the use, the high temperature flue gas is after absorbing heat through the water source, will be discharged into the rose box 291 through the gas outlet 24 of first annular duct 21 and second annular duct 22, and carry out multilayer filtration to the high temperature flue gas through the inside first filter screen 294 of frame 293 and second filter screen 295, when first filter screen 294 and second filter screen 295 need be dismantled, can pull frame 293 to one side, make the frame 293 outside guide block 296 remove in the guide slot 292 of rose box 291 inside, and the length of two guide slots 292 of top is less than two guide slots 292 of below, make frame 293 pass through the guide block 296 at the in-process that guide slot 292 moved, two guide blocks 296 of top will break away from guide slot 292 gradually, finally take out from the rose box 291 inside, the high temperature flue gas after will absorbing heat has been convenient to filter, avoid causing pollution to surrounding environment after the inside particulate matter emission of high temperature flue gas, also make things convenient for dismantling first filter screen 294 and second filter screen 295 simultaneously, in order to ensure the filtration efficiency of high temperature flue gas to the first filter screen 294 and second filter screen 295.

The rest of the structure is the same as that of embodiment 1.

Example 3

Referring to fig. 1-4, a third embodiment of the present utility model is shown, which differs from the second embodiment in that:

The smoke exhausting component 3 comprises a cover plate 31 hinged to the top end of a filter box 291, two guide blocks 296 located above are close to one side corresponding to the cover plate 31 and are mutually overlapped with one side corresponding to the cover plate 31, two mounting plates 32 are fixedly connected to one side corresponding to the cover plate 31, two mounting grooves 33 are formed in the top end of the filter box 291, the two mounting plates 32 are respectively clamped in the two mounting grooves 33, two bolts 34 are connected with the top end of the mounting plate 32 in a threaded mode, the two bolts 34 penetrate through the mounting plate 32 and are connected with the top end of the filter box 291 in a threaded mode, a smoke outlet pipe 35 is fixedly connected to the top end of the cover plate 31, the top end of the cover plate 31 is communicated with the bottom end of the smoke outlet pipe 35, a through hole 36 is formed in the top end of the smoke outlet pipe 35, a limiting disc 37 is clamped in the top end of the smoke outlet pipe 35, and the shape of the limiting disc 37 is matched with that of the through hole 36.

During the use, after apron 31 and rose box 291 coincide, apron 31 will be spacing to two guide blocks 296 that are located the top, simultaneously because of the mounting panel 32 of apron 31 one side and the mounting groove 33 butt joint of rose box 291 top, accessible bolt 34 is fixed to apron 31, when the high temperature flue gas of needs discharging, rotatable spacing dish 37 for the position of spacing dish 37 is dislocation with the through-hole 36 of play tobacco pipe 35 top gradually, the inside high temperature flue gas of cause filter box 291 will be discharged through the through-hole 36 of play tobacco pipe 35 top, the guide block 296 is spacing has been made things convenient for, make frame 293 by stable fixing in the rose box 291 inside, also made things convenient for simultaneously to seal out tobacco pipe 35, so that control high temperature flue gas emission opportunity, avoid impurity to get into rose box 291 through-hole 36.

The rest of the structure is the same as that of embodiment 2.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims

1. The utility model provides a boiler waste heat recovery equipment, includes processing case (1), its characterized in that: the waste heat recovery component (2) is arranged in the treatment box (1), and two smoke exhaust components (3) are arranged on the outer side of the treatment box (1);

The waste heat recovery component (2) comprises a first annular pipe (21) which is clamped inside the treatment box (1), the outer wall of the first annular pipe (21) and a second annular pipe (22) are wound in a crossed mode, the second annular pipe (22) is clamped inside the treatment box (1), air inlets (23) are formed in the bottoms of the first annular pipe (21) and the second annular pipe (22), air outlets (24) are formed in the tops of the first annular pipe (21) and the second annular pipe (22), two ends of the inside of the treatment box (1) are fixedly connected with two ends of the heat conducting cylinder (25) respectively, the outer wall of the heat conducting cylinder (25) is sleeved with the first annular pipe (21) and the second annular pipe (22), a water pump (26) is arranged at the top of the treatment box (1), a spray head (27) is fixedly connected with the bottom of the water pump (26), a drain pipe (28) is fixedly connected with the bottom of the treatment box (1), and the drain pipe (28) is connected with the outer side of the treatment box (1) through the heat conducting cylinder (25).

2. The boiler waste heat recovery apparatus according to claim 1, wherein: the filter component (29) comprises a filter box (291) fixedly connected to the outer side of the processing box (1), two guide grooves (292) are formed in the bottom end and the top end of the filter box (291), one side of each guide groove (292) located above is communicated with the inner side of the processing box (1), four guide blocks (296) are fixedly connected to two sides of the frame (293) respectively, and the four guide blocks (296) are slidably connected to the four guide grooves (292) respectively.

3. The boiler waste heat recovery apparatus according to claim 2, wherein: the filter is characterized in that a first filter screen (294) is clamped in the frame (293), a second filter screen (295) is clamped in the frame (293), and the shape of the frame (293) is matched with the shape of the filter box (291).

4. The boiler waste heat recovery apparatus according to claim 2, wherein: the smoke exhausting component (3) comprises a cover plate (31) hinged to the top end of the filter box (291), and two guide blocks (296) located above are mutually overlapped with one side, corresponding to the cover plate (31), of the side, corresponding to the cover plate (31).

5. The boiler waste heat recovery apparatus according to claim 4, wherein: one side that apron (31) is close to guide block (296) correspondence fixedly connected with two mounting panel (32), two mounting grooves (33) have been seted up on the top of rose box (291), and two mounting panel (32) joint respectively in two mounting grooves (33), the top threaded connection of mounting panel (32) has two bolts (34), and two bolts (34) all pass mounting panel (32) threaded connection on the top of rose box (291).

6. The boiler waste heat recovery apparatus according to claim 5, wherein: the top of apron (31) fixedly connected with goes out tobacco pipe (35), the top of apron (31) is linked together with the bottom that goes out tobacco pipe (35), through-hole (36) have been seted up on the top of going out tobacco pipe (35).

7. The boiler waste heat recovery apparatus according to claim 6, wherein: the top of the smoke outlet pipe (35) is clamped with a limiting disc (37), and the shape of the limiting disc (37) is matched with the shape of the through hole (36).