CN220771158U

CN220771158U - Boiler waste heat recovery device

Info

Publication number: CN220771158U
Application number: CN202322586922.2U
Authority: CN
Inventors: 陈居圣; 林勇
Original assignee: Chongqing Fuguo Energy Saving Technology Co ltd
Current assignee: Chongqing Fuguo Energy Saving Technology Co ltd
Priority date: 2023-09-22
Filing date: 2023-09-22
Publication date: 2024-04-12
Anticipated expiration: 2033-09-22

Abstract

The utility model discloses a boiler waste heat recovery device, which comprises a recovery box and a water tank, wherein an air inlet pipe is arranged on one side of the recovery box, an exhaust pipe is arranged on the other side of the recovery box, a filtering mechanism is arranged in the recovery box, the filtering mechanism comprises a fixed frame, active carbon is arranged in the fixed frame, filter screens are symmetrically arranged in front of and behind the active carbon, the two sides of the filtering mechanism are symmetrically provided with the fixed mechanisms, a sliding plate is connected in the fixed box in a sliding manner, inner cavities are symmetrically arranged on two side walls of the recovery box, the sliding plate is connected in the inner cavities in a sliding manner, a connecting rod is connected between the sliding plate and the sliding plate, a plurality of heat exchange pipes are arranged in the recovery box, the other ends of the heat exchange pipes extend into the water tank, and a water inlet pipe is arranged on the top of the water tank.

Description

Boiler waste heat recovery device

Technical Field

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

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, the original meaning of the boiler refers to a water container heated on fire, the boiler refers to a place where fuel is burned, hot water or steam generated in the boiler can directly provide heat energy needed by industrial production and people life, and the heat energy can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electric energy through a generator.

The prior authorized bulletin number CN203258638U discloses a boiler waste heat recovery device, which is characterized in that: the waste heat recovery device comprises a waste heat recovery device shell, wherein two ends of the waste heat recovery device shell are respectively connected with a flue gas inlet pipe and a flue gas outlet pipe, a soft water pipe is arranged on an inner disc of the waste heat recovery device shell, two ends of the soft water pipe are respectively a soft water pipe inlet and a soft water pipe outlet, elastic fins are arranged on the soft water pipe, and an ash collector is arranged at the bottom of the waste heat recovery device shell. Compared with the prior art, the boiler heat efficiency is improved, the exhaust gas temperature is reduced, the environment is protected, and the boiler heat efficiency control device has the advantages of simple structure, convenience in operation and maintenance and long service life.

The existing solutions in the above have the following problems: only collect ash to boiler waste heat, dust and toxic material in the waste smoke are not filtered, so that the pollution of air can be caused, the life of surrounding residents is not facilitated, and the waste heat recovery efficiency is lower and more resources are wasted.

Disclosure of Invention

The utility model aims to provide a boiler waste heat recovery device so as to solve the technical problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a boiler waste heat recovery device, includes recovery tank, water tank, recovery tank with be provided with four sets of support frames between the water tank, recovery tank one side is provided with the intake pipe, recovery tank opposite side is provided with the blast pipe, be provided with filtering mechanism in the recovery tank, filtering mechanism includes fixed frame, be provided with the active carbon in the fixed frame, the symmetry is provided with the filter screen around the active carbon, filtering mechanism bilateral symmetry is provided with fixed establishment, fixed establishment includes fixed tank, sliding connection has the slide in the fixed tank, the inner chamber has been seted up to recovery tank both sides wall symmetry, sliding connection has the slide in the inner chamber, the slide with be connected with the connecting rod between the slide, the symmetry is provided with the fixture block on the slide, the draw-in groove has been seted up to the symmetry on the fixed frame, the fixture block with draw-in groove looks adaptation, be provided with a plurality of heat exchange tubes in the fixed frame, the heat exchange tube other end extends to the water tank, the water tank top is provided with the inlet tube, water tank one side is provided with the drain pipe.

Preferably, the sliding plates are symmetrically provided with sliding blocks on two sides, sliding grooves are symmetrically formed in two sides of the inside of the fixed box, and the sliding blocks are matched with the sliding grooves and are in sliding connection.

Preferably, a pull rod is arranged on one side of the sliding plate, and a handle is arranged at one end of the pull rod.

Preferably, a spring is arranged between the sliding plate and the inner wall of the fixed box.

Preferably, a handle is arranged on the fixed frame, and a groove matched with the fixed frame is formed in the bottom end inside the recovery box.

Preferably, the air inlet pipe is provided with an air inlet valve, and the exhaust pipe is provided with an exhaust valve.

Preferably, one side of the water inlet pipe is provided with a water outlet valve, and the water outlet pipe is provided with a water outlet valve.

Preferably, a first thermometer is arranged on one side of the water tank, and a second thermometer is arranged on one side of the recovery tank.

Compared with the prior art, the utility model has the beneficial effects that:

through setting up filtering mechanism, fixed establishment, filter dust and toxic material in the waste smoke, reduce the pollution to the air, be favorable to the life of peripheral resident, improve the device and clear up the filter screen simultaneously, through setting up water tank, heat exchange tube, waste gas waste heat and heat exchange tube contact, in with waste heat recovery to the water tank through heat conduction to heat water for to the recovery rate of waste gas waste heat, improved the utilization ratio of the energy.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is 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.

Fig. 1 is a schematic view of a boiler waste heat recovery device according to the present embodiment;

fig. 2 is a schematic view of the internal structure of the retraction box of the present embodiment;

fig. 3 is a schematic view of the internal structure of the stationary box of the present embodiment.

In the drawings, the list of components represented by the various numbers is as follows:

1. a recovery box; 2. an air inlet pipe; 3. an intake valve; 4. a filter screen; 5. activated carbon; 6. a fixed frame; 7. a handle; 8. a water tank; 9. water; 10. a heat exchange tube; 11. a water inlet valve; 12. a water inlet pipe; 13. a drain valve; 14. a drain pipe; 15. a support frame; 16. an exhaust valve; 17. an exhaust pipe; 18. a clamping groove; 19. a slide plate; 20. a clamping block; 21. an inner cavity; 22. a slide block; 23. a chute; 24. a fixed box; 25. a spring; 26. a handle; 27. a pull rod; 28. a slide plate; 29. a connecting rod; 30. a first thermometer; 31. a second thermometer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a boiler waste heat recovery device, including recovery tank 1, water tank 8, be provided with four sets of support frames 15 between recovery tank 1 and the water tank 8, recovery tank 1 one side is provided with intake pipe 2, recovery tank 1 opposite side is provided with blast pipe 17, be provided with filter mechanism in the recovery tank 1, filter mechanism includes fixed frame 6, be provided with active carbon 5 in the fixed frame 6, the active carbon 5 front and back symmetry is provided with filter screen 4, filter mechanism bilateral symmetry is provided with fixed establishment, fixed mechanism includes fixed tank 24, sliding connection has slide 28 in fixed tank 24, inner chamber 21 has been seted up to recovery tank 1 both sides wall symmetry, sliding connection has slide 19 in inner chamber 21, be connected with connecting rod 29 between slide 19 and the slide 28, the draw-in groove 18 has been seted up to the symmetry on the fixed frame 6, draw-in groove 18 looks adaptation is provided with a plurality of heat exchange tubes 10 in the recovery tank 1, the heat exchange tube 10 other end extends to in the water tank 8, water tank 8 top is provided with inlet tube 12, water tank 8 one side is provided with drain pipe 14.

Specifically, slide 28 bilateral symmetry is provided with slider 22, the spout 23 has been seted up to the inside bilateral symmetry of fixed box 24, slider 22 and spout 23 looks adaptation and sliding connection, be provided with pull rod 27 on slide 28 one side, pull rod 27 one end is provided with handle 26, be provided with spring 25 between slide 28 and the fixed box 24 inner wall, through handle 26 outwards pulling 27, extrude spring 25 under the cooperation effect of slider 22 and spout 23, thereby drive slide 19 and fixture block 20 slip, slide 19 breaks away from in the draw-in groove 18, release the fixed spacing to fixed frame 6, can take out fixed frame 6 and wash the change.

Specifically, be provided with handle 7 on the fixed frame 6, the recess with fixed frame 6 looks adaptation is seted up to the inside bottom of collection tank 1, puts into collection tank 1 with fixed frame 6, and the recess carries out preliminary fixed spacing to fixed frame 6.

Specifically, the air inlet pipe 2 is provided with an air inlet valve 3, the exhaust pipe 17 is provided with an exhaust valve 16, hot air enters the recovery box 1 from the air inlet pipe 2, and after filtration and heat exchange recovery, the exhaust valve 16 is opened, and waste gas is discharged out of the recovery box 1 from the exhaust pipe 17.

Specifically, 11 is provided on one side of the water inlet pipe 12, a drain valve 13 is provided on the drain pipe 14, water enters the water tank 8 from the water inlet pipe 12, the drain valve 13 is opened after heating, hot water is discharged from the drain pipe 14, and waste heat is utilized.

Specifically, the first thermometer 30 is disposed on one side of the water tank 8, the second thermometer 31 is disposed on one side of the recovery tank 1, and the temperature condition of the liquid in the water tank 8 can be measured by the first thermometer 30, so that water inlet and water outlet actions can be performed, and the temperature condition of the waste gas in the recovery tank 1 can be monitored by the second thermometer 31, so that air inlet and air exhaust actions can be performed.

One specific application embodiment of this embodiment is:

when the device is used, the air inlet valve 3 is opened, waste gas enters the recovery box 1 from the air inlet pipe 2, dust and toxic substances in waste gas are filtered and adsorbed when the filter screen 4 and the activated carbon 5 are contacted with the heat exchange tube 10, waste heat is recovered into the water tank 8 through heat conduction, water 9 is heated, the temperature condition of liquid in the water tank 8 can be met through the first thermometer 30, when the specified temperature is reached, the drain valve 13 is opened to discharge the liquid from the drain pipe 14, the temperature condition of the waste gas in the recovery box 1 can be monitored through the second thermometer 31, when the waste heat recovery is finished, the exhaust pipe 17 is opened to discharge the waste gas, when the filter screen 4 is required to be cleaned, the pull rod 27 is pulled outwards through the handle 26, the spring 25 is extruded under the cooperation of the slide block 22 and the slide groove 23, thereby the slide plate 19 and the clamp block 20 are driven to slide, the slide plate 19 is separated from the clamp groove 18, the fixed limit of the fixed frame 6 is released, the fixed frame 6 is taken out from the recovery box 1 by lifting the handle 7 upwards, the operation of cleaning and replacement can be carried out on the filter screen 4, when the fixed frame 6 is installed, the fixed frame 1 is inserted into the clamp block 1, and the clamp block 20 can be reinserted into the clamp block 18.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the claims and their equivalents.

Claims

1. The utility model provides a boiler waste heat recovery device which characterized in that: the heat exchange device comprises a recovery box (1) and a water tank (8), four groups of supporting frames (15) are arranged between the recovery box (1) and the water tank (8), an air inlet pipe (2) is arranged on one side of the recovery box (1), an exhaust pipe (17) is arranged on the other side of the recovery box (1), a filtering mechanism is arranged in the recovery box (1), the filtering mechanism comprises a fixing frame (6), active carbon (5) is arranged in the fixing frame (6), a filter screen (4) is symmetrically arranged in front of and behind the active carbon (5), fixing mechanisms are symmetrically arranged on two sides of the filtering mechanism, each fixing mechanism comprises a fixing box (24), sliding plates (28) are connected in the fixing box (24) in a sliding mode, an inner cavity (21) is symmetrically arranged on two side walls of the recovery box (1), a sliding plate (19) is connected between the sliding plates (19), clamping blocks (20) are symmetrically arranged on the sliding plates (19), clamping grooves (18) are symmetrically arranged in the fixing frame (6), and the clamping grooves (18) are symmetrically arranged on the sliding plates (19), the clamping blocks are matched with the heat exchange device (10) in the heat exchange box (10), the top of the water tank (8) is provided with a water inlet pipe (12), and one side of the water tank (8) is provided with a water outlet pipe (14).

2. The boiler waste heat recovery device according to claim 1, wherein: slide (28) bilateral symmetry is provided with slider (22), spout (23) have been seted up to inside bilateral symmetry of fixed case (24), slider (22) with spout (23) looks adaptation and sliding connection.

3. The boiler waste heat recovery device according to claim 1, wherein: a pull rod (27) is arranged on one side of the sliding plate (28), and a handle (26) is arranged at one end of the pull rod (27).

4. The boiler waste heat recovery device according to claim 1, wherein: a spring (25) is arranged between the sliding plate (28) and the inner wall of the fixed box (24).

5. The boiler waste heat recovery device according to claim 1, wherein: the fixed frame (6) is provided with a handle (7), and the bottom end inside the recovery box (1) is provided with a groove matched with the fixed frame (6).

6. The boiler waste heat recovery device according to claim 1, wherein: an air inlet valve (3) is arranged on the air inlet pipe (2), and an exhaust valve (16) is arranged on the exhaust pipe (17).

7. The boiler waste heat recovery device according to claim 1, wherein: one side of the water inlet pipe (12) is provided with a water outlet valve (13) arranged on the water outlet pipe (14).

8. The boiler waste heat recovery device according to claim 1, wherein: a first thermometer (30) is arranged on one side of the water tank (8), and a second thermometer (31) is arranged on one side of the recovery tank (1).