CN215570567U

CN215570567U - Boiler flue gas waste heat utilization equipment

Info

Publication number: CN215570567U
Application number: CN202121949647.0U
Authority: CN
Inventors: 许之波
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-01-18
Anticipated expiration: 2031-08-19

Abstract

The utility model discloses a boiler flue gas waste heat utilization device, which relates to the technical field of boilers and comprises a fixed box, a heat insulation sleeve and a heat collection plate, wherein one end of the heat collection plate is provided with a ventilation opening, two sides of the inner wall of the fixed box, which are close to one end of the heat collection plate, are fixedly connected with fixed blocks, the bottoms of two sides of the fixed box are provided with fixed rods, one end of each fixed rod is fixedly connected with a concave plate, and the bottom of each concave plate is provided with a screw rod. According to the utility model, most of waste heat is firstly utilized to heat water, and the rest of heat is finally utilized to preserve heat, so that the energy in the flue gas is fully utilized, the utilization rate is improved, the resource waste is avoided, the smoke dust and harmful substances in the flue gas can be effectively filtered, the environmental pollution caused by the emission of the flue gas with the smoke dust into the air is avoided, the environmental protection property is improved, meanwhile, workers can conveniently disassemble and assemble the filter screen to clean and maintain the filter screen, and the filtering effect is improved.

Description

Boiler flue gas waste heat utilization equipment

Technical Field

The utility model relates to the technical field of boilers, in particular to a boiler flue gas waste heat utilization device.

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. The boiler is a water container heated on fire, a furnace is a place where fuel is combusted, and the boiler comprises a boiler and a furnace. The hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, and 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 boiler for supplying hot water is called a hot water boiler, is mainly used for life and has a small amount of application in industrial production, smoke generated by combustion in the boiler contains a large amount of heat, and the heat needs to be utilized to a certain extent.

The boiler flue gas waste heat utilization equipment among the prior art is not enough a bit, and is not enough to the heat utilization in the flue gas, leads to losing a large amount of energy, causes certain loss, utilizes the flue gas after the completion simultaneously and wherein contains a large amount of dusts and harmful substance, does not have certain filtration, and direct emission causes environmental pollution, and the feature of environmental protection is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a boiler flue gas waste heat utilization device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a boiler flue gas waste heat utilization device comprises a fixed box, a heat insulation sleeve and a heat collection plate, wherein one end of the heat collection plate is provided with a ventilation opening, one end of the heat collection plate is close to two sides of the inner wall of the fixed box and is fixedly connected with fixed blocks, the bottoms of two sides of the fixed box are provided with fixed rods, one end of each fixed rod is fixedly connected with a concave plate, the bottom of each concave plate is provided with a lead screw, the surface of each lead screw is provided with a pressing plate, the bottom of the fixed box is provided with a cover body, the bottom of the cover body is fixedly connected with a handle, the top of the cover body is fixedly connected with a sealing gasket, the top of the cover body is fixedly connected with three filter screens, one side of the fixed box is provided with an air inlet, the other side of the fixed box is provided with an adapter tube, the top of the fixed box is fixedly connected with the heat insulation box, the top of the heat insulation box is provided with a water inlet tube, and the bottom of one side of the heat insulation box is provided with a water outlet tube, the air outlet is formed in the top of one side of the heat insulation box, the water tank is arranged inside the heat insulation box, and the concave block is fixedly connected to the top of the inner wall of the fixed box.

As a further scheme of the utility model: one end of the fixing rod is hinged to the side face of the fixing box, one end of the screw rod penetrates through the bottom of the concave plate, the screw rod is connected with the bottom of the concave plate in a clearance fit mode, one end of the screw rod is connected with the top of the inner wall of the concave plate through a bearing, and one end of the pressing plate is connected with the screw rod through threads.

As a still further scheme of the utility model: the cover body is matched with the bottom of the fixed box, one end of the switching tube is communicated with one side of the fixed box, and the other end of the switching tube is communicated with one side of the heat preservation box.

As a still further scheme of the utility model: the heat insulation sleeve penetrates through the top of the fixed box, the heat insulation sleeve penetrates through the bottom of the heat insulation box, the heat insulation sleeve penetrates through the bottom of the water tank, the heat insulation sleeve is connected with the top of the fixed box in an interference fit mode, the heat insulation sleeve is connected with the bottom of the heat insulation box in an interference fit mode, the heat insulation sleeve is connected with the bottom of the water tank in an interference fit mode, and the heat insulation sleeve is matched with the heat collection plate.

As a still further scheme of the utility model: the water inlet pipe penetrates through the tops of the heat insulation box and the water tank and is communicated with the inside of the water tank, and the water outlet pipe penetrates through one sides of the heat insulation box and the water tank and is communicated with the inside of the water tank.

As a still further scheme of the utility model: the heat collecting plate is fixedly connected with the top of the inner wall of the fixed box through a fixed block, and the three filter screen holes are dense one by one.

Compared with the prior art, the utility model has the beneficial effects that: through the matching of the arranged heat collecting plate, the ventilation hole, the heat insulation sleeve, the fixed block, the adapter tube, the water tank and the heat insulation box, the device can intensively utilize the waste heat in the boiler flue gas, firstly, most of the waste heat is utilized to heat water, and finally, the heat insulation is carried out by utilizing the heat of the rest part, the energy in the flue gas is fully utilized, the utilization rate is improved, the resource waste is avoided, through the matching of the arranged filter screen, the fixed rod, the concave plate, the concave block, the pressing plate, the threaded rod, the cover body, the sealing gasket and the handle, the device can effectively filter the smoke dust and harmful substances in the flue gas, the environmental pollution caused by the emission of the flue gas with the smoke dust into the air is avoided, the environmental protection is improved, meanwhile, the filter screen is convenient for workers to disassemble and install, the cleaning and maintenance are carried out on the filter screen, the filtering effect is improved, the smoke dust blockage is avoided, and the working efficiency is improved, the sealing gasket improves the sealing property and avoids the leakage of smoke.

Drawings

Fig. 1 is a schematic sectional structure view of a boiler flue gas waste heat utilization device.

Fig. 2 is an enlarged structure schematic diagram of a boiler flue gas waste heat utilization device.

Fig. 3 is a schematic diagram of a filter screen structure in a boiler flue gas waste heat utilization device.

The labels in the figure are: 1. a fixed box; 2. a cover body; 3. a handle; 4. filtering with a screen; 5. fixing the rod; 6. a ventilation opening; 7. an air inlet; 8. a fixed block; 9. a concave block; 10. a thermal insulation sleeve; 11. a heat collecting plate; 12. a water inlet pipe; 13. a heat preservation box; 14. a water tank; 15. an air outlet; 16. a water outlet pipe; 17. a concave plate; 18. a screw rod; 19. pressing a plate; 20. a gasket; 21. and (4) a transfer pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, in the embodiment of the present invention, a boiler flue gas waste heat utilization apparatus includes a fixed box 1, a heat insulation jacket 10 and a heat collection plate 11, one end of the heat collection plate 11 is provided with a ventilation opening 6, one end of the heat collection plate 11 is adjacent to two sides of an inner wall of the fixed box 1 and is fixedly connected with a fixed block 8, two sides of the fixed box 1 are provided with a fixed rod 5, one end of the fixed rod 5 is fixedly connected with a concave plate 17, the bottom of the concave plate 17 is provided with a screw rod 18, the surface of the screw rod 18 is provided with a pressing plate 19, the bottom of the fixed box 1 is provided with a cover body 2, the bottom of the cover body 2 is fixedly connected with a handle 3, the top of the cover body 2 is fixedly connected with a sealing gasket 20, the top of the cover body 2 is fixedly connected with three filter screens 4, one side of the fixed box 1 is provided with an air inlet 7, the other side of the fixed box 1 is provided with a tube 21, and the top of the fixed box 1 is fixedly connected with an insulation box 13, the water inlet pipe 12 is arranged at the top of the heat preservation box 13, the water outlet pipe 16 is arranged at the bottom of one side of the heat preservation box 13, the air outlet 15 is arranged at the top of one side of the heat preservation box 13, the water tank 14 is arranged inside the heat preservation box 13, and the concave block 9 is fixedly connected to the top of the inner wall of the fixed box 1, so that the working efficiency is improved.

Referring to fig. 1 to 3, one end of the fixing rod 5 is hinged to the side of the fixing box 1, one end of the screw rod 18 penetrates the bottom of the concave plate 17, the screw rod 18 is connected to the bottom of the concave plate 17 in a clearance fit manner, one end of the screw rod 18 is connected to the top of the inner wall of the concave plate 17 through a bearing, and one end of the pressing plate 19 is connected to the screw rod 18 through a thread, so that the cover body 2 can be conveniently mounted and dismounted.

Referring to fig. 1 to 3, the cover 2 is adapted to the bottom of the fixing box 1, one end of the adapter tube 21 is connected to one side of the fixing box 1, and the other end of the adapter tube 21 is connected to one side of the heat insulation box 13, so as to avoid waste of energy.

Referring to fig. 1 and 2, the thermal insulation sleeve 10 penetrates through the top of the fixed box 1, the thermal insulation sleeve 10 penetrates through the bottom of the thermal insulation box 13, the thermal insulation sleeve 10 penetrates through the bottom of the water tank 14, the thermal insulation sleeve 10 is connected with the top of the fixed box 1 in an interference fit manner, the thermal insulation sleeve 10 is connected with the bottom of the thermal insulation box 13 in an interference fit manner, the thermal insulation sleeve 10 is connected with the bottom of the water tank 14 in an interference fit manner, and the thermal insulation sleeve 10 is matched with the heat collecting plate 11 to reduce heat loss.

Referring to fig. 1, a water inlet pipe 12 penetrates the top of the insulation box 13 and the water tank 14 and is communicated with the inside of the water tank 14, and a water outlet pipe 16 penetrates one side of the insulation box 13 and the water tank 14 and is communicated with the inside of the water tank 14, so that the water can be insulated conveniently.

Referring to fig. 1 to 3, the heat collecting plate 11 is fixedly connected with the top of the inner wall of the fixed box 1 through the fixed block 8, and the three filter screens 4 are dense one by one, so that the utilization rate of the flue gas is improved.

The working principle of the utility model is as follows:

when in use, a worker opens the air inlet 7 to introduce the flue gas exhausted from the boiler into the fixed box 1, the flue gas firstly passes through the heat collecting plate 11, the flue gas passes through the air permeable opening 6, the heat collecting plate 11 absorbs the heat in the flue gas and transfers the heat to the other end, the water tank 14 is filled through the water inlet pipe 12, the heat of the heat collecting plate 11 heats the water in the water tank 14, the flue gas after absorbing the heat passes through each filter screen 4, so that the smoke dust and harmful substances in the flue gas are deeply filtered, the filtered flue gas enters a cavity formed by the insulation box 13 and the water tank 14 through the adapter pipe 21, the heated water can be insulated, the last point of energy of the flue gas is utilized, the flue gas after utilizing the waste heat is exhausted through the air outlet 15, the utilization rate and the environmental protection are improved, the heated water is used by opening the water outlet pipe 16, the threaded rod is rotated, so that the pressing plate 19 is moved away from the cover body 2, the dead lever 5 rotates and leaves to lid 2, and the staff can stimulate 3 application of force of handle, extracts lid 2 to drive filter screen 4 and come out, the staff of being convenient for washs the smoke and dust on the filter screen 4, maintains the filter effect, has improved work efficiency.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a boiler flue gas waste heat utilization equipment, includes fixed case (1), insulation cover (10) and heat collection board (11), its characterized in that: an air vent (6) is formed in one end of the heat collecting plate (11), fixing blocks (8) are fixedly connected to two sides of the inner wall, close to the fixing box (1), of one end of the heat collecting plate (11), fixing rods (5) are arranged at the bottoms of two sides of the fixing box (1), a concave plate (17) is fixedly connected to one end of each fixing rod (5), a lead screw (18) is arranged at the bottom of each concave plate (17), a pressing plate (19) is arranged on the surface of each lead screw (18), a cover body (2) is arranged at the bottom of the fixing box (1), a handle (3) is fixedly connected to the bottom of the cover body (2), a sealing gasket (20) is fixedly connected to the top of the cover body (2), three filter screens (4) are fixedly connected to the top of the cover body (2), an air inlet (7) is formed in one side of the fixing box (1), and an adapter tube (21) is arranged on the other side of the fixing box (1), the water tank is characterized in that the heat insulation box (13) is fixedly connected to the top of the fixed box (1), a water inlet pipe (12) is arranged at the top of the heat insulation box (13), a water outlet pipe (16) is arranged at the bottom of one side of the heat insulation box (13), an air outlet (15) is arranged at the top of one side of the heat insulation box (13), a water tank (14) is arranged inside the heat insulation box (13), and a concave block (9) is fixedly connected to the top of the inner wall of the fixed box (1).

2. The boiler flue gas waste heat utilization device according to claim 1, characterized in that: the one end of dead lever (5) is connected through articulated with the side of fixed case (1), the one end of lead screw (18) is run through in the bottom of concave type board (17), clearance fit is passed through with the bottom of concave type board (17) in lead screw (18) and is connected, the one end of lead screw (18) is passed through the bearing with the inner wall top of concave type board (17) and is connected, the one end and the lead screw (18) of clamp plate (19) pass through threaded connection.

3. The boiler flue gas waste heat utilization device according to claim 1, characterized in that: the cover body (2) is matched with the bottom of the fixed box (1), one end of the adapter tube (21) is communicated with one side of the fixed box (1), and the other end of the adapter tube (21) is communicated with one side of the heat preservation box (13).

4. The boiler flue gas waste heat utilization device according to claim 1, characterized in that: the heat preservation sleeve (10) runs through the top of the fixed box (1), the heat preservation sleeve (10) runs through the bottom of the heat preservation box (13), the heat preservation sleeve (10) runs through the bottom of the water tank (14), the heat preservation sleeve (10) is connected with the top of the fixed box (1) through interference fit, the heat preservation sleeve (10) is connected with the bottom of the heat preservation box (13) through interference fit, the heat preservation sleeve (10) is connected with the bottom of the water tank (14) through interference fit, and the heat preservation sleeve (10) is matched with the heat collection plate (11).

5. The boiler flue gas waste heat utilization device according to claim 1, characterized in that: the water inlet pipe (12) penetrates through the tops of the heat insulation box (13) and the water tank (14) and is communicated with the inside of the water tank (14), and the water outlet pipe (16) penetrates through one sides of the heat insulation box (13) and the water tank (14) and is communicated with the inside of the water tank (14).

6. The boiler flue gas waste heat utilization device according to claim 1, characterized in that: the heat collecting plate (11) is fixedly connected with the top of the inner wall of the fixed box (1) through a fixed block (8), and meshes of the three filter screens (4) are dense one by one.