CN217154216U

CN217154216U - Boiler waste heat recovery structure

Info

Publication number: CN217154216U
Application number: CN202123227891.9U
Authority: CN
Inventors: 杨振; 孙开宇
Original assignee: Jiangsu Xinhuai Environmental Protection Equipment Co ltd
Current assignee: Jiangsu Xinhuai Environmental Protection Equipment Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-08-09
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a boiler waste heat recovery structure, comprising a base plate, the left side fixedly connected with boiler body at bottom plate top, the right side fixedly connected with water storage box at bottom plate top, the top intercommunication on boiler body right side has the inlet tube, boiler body's bottom intercommunication has the burning intake pipe. The utility model discloses a set up the bottom plate, the boiler body, the water storage box, the inlet tube, the burning intake pipe, the air-blower, discharge fume the pipe, violently manage, the U-shaped pipe, defeated tobacco pipe, the rose box, send the tobacco pipe, the cooperation of water pump and raceway is used, it is complicated to have solved current waste heat recovery structure, flue gas transmission heat effect is slow, it is fast to lead to the flue gas heat to give off, can not obtain make full use of, the waste heat recovery effect is poor, can not carry out the problem of burning once more with remaining combustible substance in the flue gas, it is simple to possess the structure, flue gas heat transfer is fast, waste heat recovery is effectual, carry out the advantage of burning once more to remaining combustible substance in the flue gas.

Description

Boiler waste heat recovery structure

Technical Field

The utility model relates to a boiler technical field specifically is a boiler waste heat recovery structure.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy.

In the use of boiler, the heat can produce the waste heat by not obtaining abundant utilization, the waste heat indicates the limitation that receives factors such as history, technique, theory, among the industrial enterprise power consumption device of having put into operation, original design is not by rational utilization's sensible heat and latent heat, for example, it contains a large amount of heats in during operation exhaust smog to boil water with the boiler, can use the waste heat recovery structure to carry out heat collection and recycle, but current waste heat recovery structure is complicated, flue gas transmission heat effect is slow, lead to flue gas heat to give off fast, can not obtain make full use of, the waste heat recovery effect is poor, can not burn again remaining combustible substance in the flue gas.

SUMMERY OF THE UTILITY MODEL

For solving the problem that proposes among the above-mentioned background art, the utility model aims to provide a boiler waste heat recovery structure possesses simple structure, and the flue gas heat transfer is fast, and waste heat recovery is effectual, carries out the advantage of burning once more to remaining combustible substance in the flue gas, and it is complicated to have solved current waste heat recovery structure, and flue gas transfer heat effect is slow, leads to the flue gas heat to give off fast, can not obtain make full use of, and waste heat recovery effect is poor, can not carry out the problem of burning once more with remaining combustible substance in the flue gas.

In order to achieve the above object, the utility model provides a following technical scheme: a boiler waste heat recovery structure comprises a bottom plate, wherein a boiler body is fixedly connected to the left side of the top of the bottom plate, a water storage tank is fixedly connected to the right side of the top of the bottom plate, a water inlet pipe is communicated with the upper portion of the right side of the boiler body, a combustion air inlet pipe is communicated with the bottom of the boiler body, an air blower is communicated with the bottom of the combustion air inlet pipe, a smoke exhaust pipe is communicated with the top of the boiler body, a transverse pipe is communicated with the right side of the smoke exhaust pipe, one end, away from the smoke exhaust pipe, of the transverse pipe penetrates into the water storage tank and is communicated with a U-shaped pipe, the bottom of the U-shaped pipe penetrates into the bottom of the water storage tank and is communicated with a smoke conveying pipe, a filter box is communicated with the left side of the smoke conveying pipe, the bottom of the filter box is fixedly connected with the top of the bottom plate, a smoke conveying pipe is communicated with the upper portion, away from the filter box, and is communicated with the upper portion of the input end of the air blower, the water storage tank is characterized in that a water pump is communicated with the lower portion of the left side of the water storage tank, the output end of the water pump is communicated with a water delivery pipe, and the top of the water delivery pipe is communicated with the bottom of the water inlet pipe.

As the utility model discloses it is preferred, the top of violently managing the inner wall articulates there is the backward flow baffle, the bottom fixedly connected with stopper of violently managing the inner wall, the right side of stopper and the left side laminating of backward flow baffle.

As the utility model discloses it is preferred, the positive sliding connection of rose box has the chamber door, the bottom sliding connection of rose box inner wall has the net frame, the inside of net frame is provided with the filter media, and the filter media includes active carbon and porous ceramic, the equal fixedly connected with pressure spring in both sides about the rose box inner wall rear side, the front of pressure spring and the back laminating of net frame.

As the utility model discloses it is preferred, the equal fixedly connected with sealing strip in both sides at the bottom and the top of chamber door, the surface laminating of the surface of sealing strip and rose box.

As the utility model discloses preferred, the equal fixedly connected with heat preservation in surface of violently managing and raceway.

As the utility model discloses it is preferred, the front of water storage box articulates through the hinge has the clearance hatch door, the waterproof circle of equal fixedly connected with all around of clearance hatch door, the surface of waterproof circle and the surface laminating of water storage box.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the bottom plate, the boiler body, the water storage box, the inlet tube, the burning intake pipe, the air-blower, discharge fume the pipe, violently manage, the U-shaped pipe, defeated tobacco pipe, the rose box, send the tobacco pipe, the cooperation of water pump and raceway is used, it is complicated to have solved current waste heat recovery structure, flue gas transmission heat effect is slow, it is fast to lead to the flue gas heat to give off, can not obtain make full use of, the waste heat recovery effect is poor, can not carry out the problem of burning once more with remaining combustible substance in the flue gas, it is simple to possess the structure, flue gas heat transfer is fast, waste heat recovery is effectual, carry out the advantage of burning once more to remaining combustible substance in the flue gas.

2. The utility model discloses a cooperation that sets up backward flow baffle and stopper is used, and the stopper plays about spacing to backward flow baffle, makes backward flow baffle only can open to the right side, prevents to discharge fume tub exhaust flue gas because the flue gas that leads to largely flows back to in the smoke exhaust pipe of U-shaped intraductal gas pressure of discharging fume, has avoided the flue gas to flow back to and has discharged fume intraductally influence the normal flow direction U-shaped pipe of flue gas and lead to the heat that the flue gas gived off and can not obtain make full use of, reduces the condition of waste heat recovery effect.

3. The utility model discloses a set up chamber door, net frame and pressure spring, filter media such as active carbon, porous ceramics are provided with in the inside of net frame and filter the flue gas through the rose box, make the filter media adsorb the noxious material in the flue gas, avoid the direct discharge of noxious material in the flue gas to cause environmental pollution, through opening the chamber door, the elasticity that makes the pressure spring is direct pops out the net frame from the inside of rose box to can convenient change filter media, increased the use convenience.

4. The utility model discloses a set up the sealing strip, seal up the contact surface of chamber door and rose box through the sealing strip, avoided the flue gas to flow from the gap between chamber door and the rose box, lead to the flue gas not through the condition of filtering direct discharge destruction environment.

5. The utility model discloses a set up the heat preservation, can reduce the flue gas and give off by the heat when the raceway of the water after the flue gas heating in violently managing and the water storage box, further promotion the waste heat recovery effect.

6. The utility model discloses a set up clearance hatch door and waterproof circle, the scale can appear in the long-time back inner wall that uses of water storage box, if not clear up the heat absorption effect that can influence the water storage box internal water in time, can directly open the hatch door and clear up the water storage box when needs clear up, through setting up waterproof circle around clearing up the hatch door, the laminating department of having avoided clearance hatch door and water storage box appears the gap and produces the problem of leaking.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side sectional view of the filtering box of the present invention;

FIG. 3 is an enlarged schematic view of A of FIG. 1 according to the present invention;

FIG. 4 is an enlarged schematic view of B of FIG. 1 according to the present invention;

fig. 5 is a schematic front view of the water storage tank of the present invention.

In the figure: 1. a base plate; 2. a boiler body; 3. a water storage tank; 4. a water inlet pipe; 5. a combustion intake pipe; 6. a blower; 7. a smoke exhaust pipe; 8. a transverse tube; 9. a U-shaped tube; 10. a smoke conveying pipe; 11. a filter box; 12. a smoke delivery pipe; 13. a water pump; 14. a water delivery pipe; 15. a reflux baffle; 16. a limiting block; 17. a box door; 18. a screen frame; 19. a pressure spring; 20. a seal strip; 21. a heat-insulating layer; 22. cleaning the cabin door; 23. and (4) a waterproof ring.

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.

As shown in figures 1 to 5, a boiler waste heat recovery structure comprises a bottom plate 1, a boiler body 2 is fixedly connected to the left side of the top of the bottom plate 1, a water storage tank 3 is fixedly connected to the right side of the top of the bottom plate 1, a water inlet pipe 4 is communicated with the upper side of the right side of the boiler body 2, a combustion air inlet pipe 5 is communicated with the bottom of the boiler body 2, an air blower 6 is communicated with the bottom of the combustion air inlet pipe 5, a smoke exhaust pipe 7 is communicated with the top of the boiler body 2, a horizontal pipe 8 is communicated with the right side of the smoke exhaust pipe 7, one end, far away from the smoke exhaust pipe 7, of the horizontal pipe 8 penetrates into the water storage tank 3 and is communicated with a U-shaped pipe 9, the bottom of the U-shaped pipe 9 penetrates into the bottom of the water storage tank 3 and is communicated with a smoke conveying pipe 10, a filter tank 11 is communicated with the left side of the smoke conveying pipe 10, the bottom of the filter tank 11 is fixedly connected with the top of the bottom plate 1, a smoke conveying pipe 12 is communicated with the upper side of the left side of the filter tank 11, one end, of the smoke conveying pipe 12 is communicated with the upper side of the input end of the air blower 6, the lower part of the left side of the water storage tank 3 is communicated with a water pump 13, the output end of the water pump 13 is communicated with a water delivery pipe 14, and the top of the water delivery pipe 14 is communicated with the bottom of the water inlet pipe 4.

Referring to fig. 4, the top of the inner wall of the horizontal tube 8 is hinged with a backflow baffle 15, the bottom of the inner wall of the horizontal tube 8 is fixedly connected with a limiting block 16, and the right side of the limiting block 16 is attached to the left side of the backflow baffle 15.

As the utility model discloses a technical optimization scheme, use through the cooperation that sets up backflow baffle 15 and stopper 16, stopper 16 plays about spacing to backflow baffle 15, make backflow baffle 15 can only open to the right side, prevent to discharge fume pipe 7 exhaust flue gas because the flue gas that leads to greatly to flow back to discharging fume pipe 7 in U-shaped pipe 9 internal gas pressure, avoided the flue gas to flow back to discharging fume pipe 7 in influence the flue gas normal flow to U-shaped pipe 9 and lead to the heat that the flue gas gived off can not obtain make full use of, reduce the condition of waste heat recovery effect.

Referring to fig. 2, a box door 17 is slidably connected to the front surface of the filter box 11, a net frame 18 is slidably connected to the bottom of the inner wall of the filter box 11, a filter material is arranged inside the net frame 18, the filter material includes activated carbon and porous ceramics, a pressure spring 19 is fixedly connected to each of the left side and the right side of the rear side of the inner wall of the filter box 11, and the front surface of the pressure spring 19 is attached to the back surface of the net frame 18.

As a technical optimization scheme, through setting up chamber door 17, net frame 18 and pressure spring 19, be provided with the active carbon in the inside of net frame 18, filter media such as porous ceramic filter the flue gas through rose box 11, make the filter media adsorb the toxic material in the flue gas, avoid the toxic material direct discharge in the flue gas to cause environmental pollution, through opening chamber door 17, the elasticity that makes pressure spring 19 directly pops out net frame 18 from the inside of rose box 11, thereby can conveniently change the filter media, the convenience in use has been increased.

Referring to fig. 2, sealing strips 20 are fixedly connected to both sides of the bottom and top of the box door 17, and the surfaces of the sealing strips 20 are attached to the surface of the filter box 11.

As a technical optimization scheme, through setting up sealing strip 20, seal the contact surface of chamber door 17 and rose box 11 through sealing strip 20, avoided the flue gas to flow from the gap between chamber door 17 and the rose box 11, lead to the flue gas not through the condition of filtering direct discharge damage environment.

Referring to fig. 1 and 4, an insulating layer 21 is fixedly connected to the surface of each of the horizontal tube 8 and the water delivery tube 14.

As a technical optimization scheme of the utility model, through setting up heat preservation 21, can reduce the flue gas and give off by the heat when raceway 14 of the water after the flue gas heating in violently managing 8 and water storage box 3, further promotion waste heat recovery effect.

Referring to fig. 5, the front surface of the water storage tank 3 is hinged with a cleaning cabin door 22 through a hinge, waterproof rings 23 are fixedly connected to the periphery of the cleaning cabin door 22, and the surfaces of the waterproof rings 23 are attached to the surface of the water storage tank 3.

As the utility model discloses a technical optimization scheme, through setting up clearance hatch door 22 and waterproof circle 23, the inner wall can appear the scale after water storage box 3 uses for a long time, if clear up the endothermic effect that can influence water storage box 3 internal water untimely, can directly open the hatch door and clear up water storage box 3 when needs clear up, through setting up waterproof circle 23 around clearance hatch door 22, the laminating department of having avoided clearance hatch door 22 and water storage box 3 appears the gap and produces the problem of leaking.

The utility model discloses a theory of operation and use flow: when the water storage tank is used, the water storage tank 3 is filled with water, smoke generated when the boiler body 2 works is discharged through the smoke discharge pipe 7, the smoke flows to the U-shaped pipe 9 inside the water storage tank 3 through the transverse pipe 8, the heat dissipated by the smoke in the U-shaped pipe 9 is absorbed by the water in the water storage tank 3, the water temperature in the water storage tank 3 is raised, the water heated by the smoke is conveyed into the inner cavity of the boiler body 2 through the water pump 13, the cooled smoke moves downwards to enter the smoke conveying pipe 10, the smoke enters the filter box 11 through the smoke conveying pipe 10 to filter toxic substances in the smoke, the filtered smoke enters the input end of the air blower 6 through the smoke conveying pipe 12, because a large amount of oxygen is consumed when the boiler body 2 is combusted, the air is conveyed to the combustion air inlet pipe 5 of the boiler body 2 through the air blower 6 to increase the oxygen content in the combustion chamber of the boiler body 2, the air is conveyed by the air blower 6 to the combustion air inlet pipe 5 and simultaneously the smoke is conveyed, so that the combustible materials contained in the smoke can be fully combusted.

In summary, the following steps: this boiler waste heat recovery structure, through setting up bottom plate 1, boiler body 2, water storage box 3, inlet tube 4, burning intake pipe 5, air-blower 6, exhaust pipe 7, violently manage 8, the U-shaped pipe 9, defeated tobacco pipe 10, rose box 11, send cigarette pipe 12, water pump 13 and raceway 14's cooperation is used, it is complicated to have solved current waste heat recovery structure, flue gas transmission heat effect is slow, it is fast to lead to the flue gas heat to give off, can not arrive make full use of, waste heat recovery effect is poor, can not carry out the problem of burning once more with remaining combustible substance in the flue gas.

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 boiler waste heat recovery structure, includes bottom plate (1), its characterized in that: the boiler comprises a bottom plate (1), a boiler body (2) is fixedly connected to the left side of the top of the bottom plate (1), a water storage tank (3) is fixedly connected to the right side of the top of the bottom plate (1), a water inlet pipe (4) is communicated with the upper portion of the right side of the boiler body (2), a combustion air inlet pipe (5) is communicated with the bottom of the boiler body (2), an air blower (6) is communicated with the bottom of the combustion air inlet pipe (5), a smoke exhaust pipe (7) is communicated with the top of the boiler body (2), a transverse pipe (8) is communicated with the right side of the smoke exhaust pipe (7), one end, far away from the smoke exhaust pipe (7), of the transverse pipe (8) penetrates through the inside of the water storage tank (3) and is communicated with a U-shaped pipe (9), the bottom of the U-shaped pipe (9) penetrates through the bottom of the water storage tank (3) and is communicated with a smoke conveying pipe (10), and a filter tank (11) is communicated with the left side of the smoke conveying pipe (10), the bottom of the filter box (11) is fixedly connected with the top of the bottom plate (1), the left top of the filter box (11) is communicated with a smoke delivery pipe (12), one end, far away from the filter box (11), of the smoke delivery pipe (12) is communicated with the top of the input end of the air blower (6), the left lower side of the water storage box (3) is communicated with a water pump (13), the output end of the water pump (13) is communicated with a water delivery pipe (14), and the top of the water delivery pipe (14) is communicated with the bottom of the water inlet pipe (4).

2. The waste heat recovery structure of a boiler according to claim 1, characterized in that: the top of violently managing (8) inner wall articulates there is backward flow baffle (15), the bottom fixedly connected with stopper (16) of violently managing (8) inner wall, the right side of stopper (16) and the left side laminating of backward flow baffle (15).

3. The waste heat recovery structure of a boiler according to claim 1, characterized in that: the utility model discloses a filter box, including rose box (11), the front sliding connection of rose box (11) has chamber door (17), the bottom sliding connection of rose box (11) inner wall has net frame (18), the inside of net frame (18) is provided with the filter media, and the filter media includes active carbon and porous ceramic, the equal fixedly connected with pressure spring (19) in both sides about rose box (11) inner wall rear side, the front of pressure spring (19) is laminated with the back of net frame (18).

4. The waste heat recovery structure of a boiler according to claim 3, characterized in that: the bottom of chamber door (17) and the equal fixedly connected with sealing strip (20) in both sides at top, the surface laminating of sealing strip (20) and filter box (11) is laminated.

5. The waste heat recovery structure of a boiler according to claim 1, characterized in that: the surfaces of the transverse pipe (8) and the water delivery pipe (14) are fixedly connected with heat preservation layers (21).

6. The waste heat recovery structure of a boiler according to claim 1, characterized in that: the front of the water storage tank (3) is hinged with a cleaning cabin door (22) through a hinge, the periphery of the cleaning cabin door (22) is fixedly connected with a waterproof ring (23), and the surface of the waterproof ring (23) is attached to the surface of the water storage tank (3).