CN210980858U

CN210980858U - Heat recovery device for industrial environmental protection

Info

Publication number: CN210980858U
Application number: CN201922290993.1U
Authority: CN
Inventors: 夏渝
Original assignee: Anhui Tongde Energy Conservation And Environmental Protection Technology Co ltd
Current assignee: Anhui Tongde Energy Conservation And Environmental Protection Technology Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-07-10
Anticipated expiration: 2029-12-18

Abstract

A heat recovery device for industrial environmental protection comprises an industrial furnace, a heat recovery device, a gas treatment device, a connecting pipe, a water storage tank, a gas treatment tank, an air inlet pipe, a heat exchange pipe and a water inlet pipe; a first exhaust channel is vertically arranged on the industrial furnace; the heat recovery device and the gas treatment device are arranged on the first exhaust channel; a plurality of groups of heat exchange pipes for discharging gas are arranged in the water tank; the water inlet pipe is arranged on the water tank and penetrates through the heat recovery device to be connected with the water supply device; the connecting pipe is arranged on the heat recovery device and is connected with the water storage tank; the gas distribution piece is horizontally arranged in the solution tank and is positioned in the solution, the gas distribution piece is communicated with the gas inlet pipe, and the bottom of the gas distribution piece is uniformly provided with exhaust holes. The utility model discloses heat exchange pipe S type structure makes the heat exchange process more abundant, has increased exchange area of contact, and gas treatment device has also purified the combustion gas, has not only reduced the pollution, has still improved thermal recovery efficiency, energy-concerving and environment-protective very.

Description

Heat recovery device for industrial environmental protection

Technical Field

The utility model relates to a heat recovery field especially relates to a heat recovery device for industrial environmental protection.

Background

The industrial furnace is a key device in the common production process in petrochemical plants, such as a tubular heating furnace, a reformer and a cracking furnace of an oil refining machine petrochemical plant; a gasification furnace which takes coal as a raw material and is heated at high temperature and reacted at high temperature in the ammonia synthesis device, a primary reformer and a secondary reformer which take fuel gas as a raw material, and the like.

The short exchange process of the thermal exchange route of industrial furnace equipment in the combustion process is thorough not thoroughly abundant at present, and the flue gas is not make full use of, and the heat that a large amount of flue gases carried is along with discharging fume the pipe and discharging, has not only caused atmospheric pollution, but also has caused very big calorific loss, has caused the waste of heat resource for industrial furnace calorific loss is too big, and heat recovery effect is unsatisfactory.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For the technical problem who exists among the solution background art, the utility model provides a heat reclamation device for industrial environmental protection for solve above-mentioned problem.

(II) technical scheme

The utility model provides a heat recovery device for industrial environmental protection, which comprises an industrial furnace, a heat recovery device, a gas treatment device, a connecting pipe, a water storage tank, a gas treatment box, an air inlet pipe, a heat exchange pipe and an water inlet pipe;

a first exhaust channel is vertically arranged on the industrial furnace; the heat recovery device and the gas treatment device are arranged on the first exhaust channel, and the gas treatment device is positioned above the heat recovery device;

the water tank is arranged in the heat recovery device, and a plurality of groups of heat exchange pipes for discharging gas are arranged in the water tank; the water inlet pipe is arranged on the water tank and penetrates through the heat recovery device to be connected with the water supply device; the connecting pipe is arranged on the heat recovery device and is connected with the water storage tank;

the gas processing box is arranged in the gas processing device; the gas treatment box is internally provided with a filtering device, an adsorption device and a dissolving liquid box, the filtering device is positioned above the dissolving liquid box, and the adsorption device is positioned between the filtering device and the dissolving liquid box; the air inlet pipe is arranged on the dissolving liquid tank and is connected with the first exhaust channel; the gas distribution piece is horizontally arranged in the solution tank and is positioned in the solution, the gas distribution piece is communicated with the gas inlet pipe, and the bottom of the gas distribution piece is uniformly provided with exhaust holes.

Preferably, the air inlet pipe is an S-shaped elbow pipe.

Preferably, the dissolving tank is provided with a liquid discharge pipe and a liquid inlet pipe, the liquid discharge pipe is provided with a liquid discharge valve for controlling liquid discharge, and the liquid inlet pipe is provided with a liquid inlet valve for controlling liquid inlet.

Preferably, the air conditioner further comprises a second exhaust channel;

the second exhaust passage is provided on the gas processing box through the gas processing device.

The above technical scheme of the utility model has following profitable technological effect:

the utility model utilizes the arrangement of a plurality of groups of heat exchange tubes to increase the exchange contact area, and the S-shaped structure of the heat exchange tubes also increases the heat exchange time, so that the heat exchange process is more sufficient; the gas treatment device also purifies the discharged gas, so that the discharged gas is cleaner and less polluted; not only reduces pollution, but also improves the utilization efficiency of heat, reduces the loss of heat, and is very energy-saving and environment-friendly.

Drawings

Fig. 1 is a schematic structural diagram of the heat recovery device for industrial environmental protection according to the present invention.

Fig. 2 is a schematic structural view (cross-sectional view) of a gas treatment device in the heat recovery device for industrial environmental protection according to the present invention.

Fig. 3 is a schematic structural diagram (top view) of a heat recovery device in an industrial environmental protection heat recovery device according to the present invention.

Fig. 4 is a schematic structural view (cross-sectional view) of a heat recovery device in an industrial environmental protection heat recovery device according to the present invention.

Reference numerals: 1. an industrial furnace; 2. a first exhaust passage; 3. a heat recovery device; 4. a gas processing device; 5. a connecting pipe; 6. a water storage tank; 7. a gas distribution member; 8. a gas treatment tank; 9. a filtration device; 10. an adsorption device; 11. a solution tank; 12. a liquid discharge pipe; 13. a drain valve; 14. a liquid inlet valve; 15. a liquid inlet pipe; 16. an air inlet pipe; 17. a water tank; 18. a heat exchange tube; 19. a water inlet pipe; 20. a second exhaust passage.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, the heat recovery device for industrial environmental protection provided by the present invention comprises an industrial furnace 1, a heat recovery device 3, a gas treatment device 4, a connecting pipe 5, a water storage tank 6, a gas treatment tank 8, an air inlet pipe 16, a heat exchange pipe 18 and a water inlet pipe 19;

a first exhaust channel 2 is vertically arranged on the industrial furnace 1; the heat recovery device 3 and the gas processing device 4 are arranged on the first exhaust passage 2, and the gas processing device 4 is positioned above the heat recovery device 3;

the water tank 17 is arranged in the heat recovery device 3, and a plurality of groups of heat exchange tubes 18 which are discharged by gas are arranged in the water tank 17; the water inlet pipe 19 is arranged on the water tank and penetrates through the heat recovery device 3 to be connected with the water supply device; the connecting pipe 5 is arranged on the heat recovery device 3 and is connected with the water storage tank 6;

the gas processing box 8 is arranged in the gas processing device 4; the gas treatment box 8 is internally provided with a filtering device 9, an adsorption device 10 and a dissolving liquid box 11, the filtering device 9 is positioned above the dissolving liquid box 11, and the adsorption device 10 is positioned between the filtering device 9 and the dissolving liquid box 11; the air inlet pipe 16 is arranged on the dissolving liquid tank 11 and is connected with the first exhaust channel 2; the gas distribution piece 7 is horizontally arranged in the solution tank 11 and is positioned in the solution, the gas distribution piece 7 is communicated with the air inlet pipe 16, and exhaust holes are uniformly formed in the bottom of the gas distribution piece.

In an alternative embodiment, the inlet pipe 16 is an S-bend.

In an alternative embodiment, the dissolving solution tank 11 is provided with a liquid discharge pipe 12 and a liquid inlet pipe 15, the liquid discharge pipe 12 is provided with a liquid discharge valve 13 for controlling liquid discharge, and the liquid inlet pipe 15 is provided with a liquid inlet valve 14 for controlling liquid inlet.

In an alternative embodiment, a second exhaust passage 20 is also included;

the second exhaust duct 20 is arranged on the gas treatment box 8 through the gas treatment device 4.

In the utility model, when the industrial furnace 1 is produced, hot gas is produced at the position of the first exhaust passage 2, water is injected into the water tank 17 at the position of the water inlet pipe 19, flue gas is discharged through the heat exchange pipe 18, the heat exchange pipe 18 absorbs heat energy and then generates heat, water around the heat exchange pipe 18 is heated, the heated hot water is discharged into the water storage tank 6 together, the flue gas after passing through the heat recovery device 3 enters the dissolving liquid tank 11 in the gas treatment tank 8 through the air inlet pipe 16, and finally the flue gas is discharged through the adsorption device 10 and the filtering device 9; the arrangement of the multiple groups of S-shaped heat exchange tubes 18 increases the exchange loop of heat exchange, increases the exchange contact area, ensures more sufficient heat exchange, improves the utilization efficiency of heat, and purifies the discharged gas by the gas treatment device, so that the discharged gas is cleaner, more energy-saving and more environment-friendly.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The heat recovery device for industrial environmental protection is characterized by comprising an industrial furnace (1), a heat recovery device (3), a gas treatment device (4), a connecting pipe (5), a water storage tank (6), a gas treatment tank (8), an air inlet pipe (16), a heat exchange pipe (18) and a water inlet pipe (19);

a first exhaust channel (2) is vertically arranged on the industrial furnace (1); the heat recovery device (3) and the gas treatment device (4) are arranged on the first exhaust channel (2), and the gas treatment device (4) is positioned above the heat recovery device (3);

the water tank (17) is arranged in the heat recovery device (3), and a plurality of groups of heat exchange tubes (18) which are exhausted by gas are arranged in the water tank (17); the water inlet pipe (19) is arranged on the water tank and penetrates through the heat recovery device (3) to be connected with the water supply device; the connecting pipe (5) is arranged on the heat recovery device (3) and is connected with the water storage tank (6);

the gas processing box (8) is arranged in the gas processing device (4); the gas treatment box (8) is internally provided with a filtering device (9), an adsorption device (10) and a dissolving liquid box (11), the filtering device (9) is positioned above the dissolving liquid box (11), and the adsorption device (10) is positioned between the filtering device (9) and the dissolving liquid box (11); the air inlet pipe (16) is arranged on the dissolving liquid tank (11) and is connected with the first exhaust channel (2); the gas distribution piece (7) is horizontally arranged in the dissolving liquid box (11) and is positioned in the dissolving liquid, the gas distribution piece (7) is communicated with the gas inlet pipe (16), and the bottom of the gas distribution piece is uniformly provided with exhaust holes.

2. An industrial environmental friendly heat recovery device according to claim 1, wherein the inlet pipe (16) is an S-shaped bent pipe.

3. An industrial and environmental heat recovery device, according to claim 1, wherein the dissolving tank (11) is provided with a liquid discharge pipe (12) and a liquid inlet pipe (15), the liquid discharge pipe (12) is provided with a liquid discharge valve (13) for controlling liquid discharge, and the liquid inlet pipe (15) is provided with a liquid inlet valve (14) for controlling liquid inlet.

4. An industrial environmental friendly heat recovery device according to claim 1, further comprising a second exhaust passage (20);

a second exhaust channel (20) is arranged on the gas treatment box (8) through the gas treatment device (4).