CN219798023U

CN219798023U - Gas cooling device

Info

Publication number: CN219798023U
Application number: CN202321053956.9U
Authority: CN
Inventors: 杜海滨; 张小鹏; 张久刚; 杨鹏辉; 王明
Original assignee: Baicheng Fengfeng Coal Coking Co ltd
Current assignee: Baicheng Fengfeng Coal Coking Co ltd
Priority date: 2023-05-06
Filing date: 2023-05-06
Publication date: 2023-10-03
Anticipated expiration: 2033-05-06

Abstract

The utility model discloses gas cooling equipment, which comprises a first box body, a second box body and a barrel body, wherein a heat exchange coil is fixedly arranged in the first box body, the top of the first box body is provided with an air inlet and a hot steam discharge port, the air inlet is connected with a gas input pipe, the top end of the heat exchange coil is fixedly connected with the air inlet, a heat exchange mechanism is fixedly arranged in the second box body, high-temperature gas is conveyed into the heat exchange coil from the air inlet, the gas flows downwards in the heat exchange coil from top to bottom, the gas in the heat exchange coil at the lower part exchanges heat with water in the first box body to generate water vapor, the upward water vapor exchanges heat with the gas at the higher temperature in the upper part of the heat exchange coil, the gas after the heat exchange in the first box body is conveyed into the heat exchange mechanism in the second box body through a pipeline and exchanges heat with water in the second box body again, and the gas after the heat exchange is conveyed into an aeration head in the barrel body through a pipeline to exchange heat with washing liquid for multiple times.

Description

Gas cooling device

Technical Field

The utility model relates to the technical field of coal coking or coal chemical industry, in particular to coal gas cooling equipment.

Background

Aiming at coal chemical industry, coal gas production by coking coal, coal gas producer gas production enterprises or coal gas production process conversion utilization enterprises, the coal gas needs to be safely cooled in the coal gas use process.

The application number 201920184166.1 discloses a gas cooling device for gas chemical production, which only has one-stage cooling, because the temperature of gas to be cooled is higher, the cooling liquid in the device for one-stage cooling can be rapidly heated, an external cooler can not rapidly and well cool the cooling liquid, the cooled gas temperature can not reach an ideal effect, heat recovery is not carried out on the gas, heat waste is caused, and the gas to be cooled is not purified, and the gas cooling device is provided for the problems.

Disclosure of Invention

The present utility model aims to provide a gas cooling device to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the gas cooling device comprises a first box body, a second box body and a barrel body, wherein a heat exchange coil is fixedly installed in the first box body, an air inlet and a hot steam discharge port are formed in the top of the first box body, the air inlet is connected with a gas input pipe, the top end of the heat exchange coil is fixedly connected with the air inlet, a heat exchange mechanism is fixedly installed in the second box body, water is placed in the first box body and the second box body, the lower part of the heat exchange coil is arranged in the water in a built-in mode, the heat exchange mechanism is completely immersed in the water, the bottom end of the heat exchange coil penetrates through the bottom of the first box body and is connected with the air inlet end of the heat exchange mechanism through a guide pipe, an aeration head is fixedly installed in the barrel body, washing liquid is arranged in the barrel body, the washing liquid penetrates through the aeration head, an air outlet pipe of the heat exchange mechanism is connected with the air inlet end of the aeration head through a guide pipe, the air outlet end of the top of the barrel body is connected with a dryer through a guide pipe, the output end of the dryer is conveyed into a storage through the guide pipe, a third water pump is fixedly installed on the side wall of the barrel body, a pipeline fixedly connected with the output end of the third water pump penetrates through the side wall of the barrel body, the washing liquid is fixedly installed below the barrel body, the aeration head is fixedly installed on the inner wall, and the washing liquid is connected with the water spraying end of the water spraying mechanism.

As a further scheme of the utility model: a first water pump is arranged between the first box body and the second box body, a pipeline connected with the input end of the first water pump penetrates through the second box body to the water, and the output end of the first water pump penetrates through the first box body.

As still further aspects of the utility model: the side wall of the second box body is fixedly connected with a second water pump, a conduit fixedly connected with the input end of the second water pump penetrates through the side wall of the second box body and is positioned in water in the second box body, the output end of the second water pump is fixedly connected with a heat exchanger, a fan is arranged on the heat exchanger, the clamping device is fixed at the top of the second box body, and a conduit fixedly connected with the output end of the heat exchanger penetrates through the top of the second box body.

As still further aspects of the utility model: the heat exchange mechanism comprises a gas distribution pipe and a gas collection pipe, the gas inlet end of the gas distribution pipe is connected with an input catheter, the output end of the gas collection pipe is connected with an output catheter, the gas distribution pipe and the gas collection pipe are uniformly and equidistantly fixedly connected with a heat exchange pipe, the two ends of the heat exchange pipe are respectively communicated with the gas distribution pipe and the gas collection pipe, and the outer wall of the heat exchange pipe is uniformly and equidistantly fixedly connected with a plurality of heat exchange fins.

As still further aspects of the utility model: the bottom of the barrel body is provided with a sewage outlet, the side wall of the barrel body is provided with a water outlet, and valves are arranged on the sewage outlet and the water outlet.

As still further aspects of the utility model: and a foam remover is fixedly arranged above the inner wall of the barrel body.

As still further aspects of the utility model: the water spraying mechanism comprises an annular pipe, the water inlet end of the annular pipe is communicated with the guide pipe of the output end of the third water pump, the outer wall of the annular pipe is fixedly connected with connecting legs according to the circumference, the connecting legs are fixedly connected with the inner wall of the barrel body, and the top of the annular pipe is uniformly provided with spray heads according to the circumference.

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

the high-temperature gas is conveyed into the heat exchange coil from the gas inlet, the gas flows in the heat exchange coil from top to bottom, the gas in the heat exchange coil at the lower part exchanges heat with water in the first box body to generate water vapor, the upward water vapor exchanges heat with the gas at higher temperature in the upper part of the heat exchange coil, the gas after heat exchange in the first box body is conveyed into the heat exchange mechanism in the second box body through a pipeline, the gas after heat exchange exchanges heat with water in the second box body again, and the gas after heat exchange is conveyed into the aeration head in the barrel body through a pipeline to exchange heat with washing liquid, so that the multiple heat exchange of the gas is realized.

The utility model conveys the generated high-temperature water vapor out through the hot vapor discharge port at the top of the first box body, thereby realizing the partial collection of heat in the gas.

The gas subjected to secondary cooling is conveyed into the washing liquid from the aeration head, bubbles formed by the gas float upwards to wash the gas, the washing liquid in the barrel body is conveyed into the water spraying mechanism by the third water pump, the washing liquid is sprayed out from the spray head at the top of the water spraying mechanism, the upward flowing gas is leached, the impurity removal of the gas is realized, and the impurity removed gas is dried by the drier to purify the gas.

Drawings

Fig. 1 is a schematic diagram of a gas cooling apparatus.

Fig. 2 is a top view of the heat exchange mechanism in the gas cooling apparatus.

FIG. 3 is a top view of a water spray mechanism in a gas cooling apparatus.

In the figure: 1. a first case; 2. a heat exchange coil; 3. a hot steam discharge port; 4. an air inlet; 5. a first water pump; 6. a second case; 7. a heat exchange mechanism; 8. a heat exchanger; 9. a second water pump; 10. a tub body; 11. a third water pump; 12. an aeration head; 13. a demister; 14. a dryer; 15. a sewage outlet; 16. a water outlet; 17. a water spraying mechanism; 18. a gas distribution pipe; 19. a gas collecting tube; 20. a heat exchange tube; 21. a heat exchange fin; 22. an annular tube; 23. a spray head; 24. and (5) connecting the legs.

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.

Example 1

Referring to fig. 1 to 3, in the embodiment of the utility model, the gas cooling device comprises a first box 1, a second box 6 and a barrel 10, wherein the second box 6 is provided with a water inlet and an end cover, a heat exchange coil 2 is fixedly installed in the first box 1, an air inlet 4 and a hot steam discharge port 3 are arranged at the top of the first box 1, the air inlet 4 is connected with a gas input pipe, the top end of the heat exchange coil 2 is fixedly connected with the air inlet 4, a heat exchange mechanism 7 is fixedly installed in the second box 6, water is placed in the first box 1 and the second box 6, the lower part of the heat exchange coil 2 is arranged in the water, the heat exchange mechanism 7 is completely immersed in the water, the bottom end of the heat exchange coil 2 penetrates through the bottom of the first box 1 and is connected with the air inlet end of the heat exchange mechanism 7 through a conduit, an aeration head 12 is fixedly installed in the barrel 10, washing liquid is arranged in the barrel 10 and is over the aeration head 12, and the air outlet pipe of the heat exchange mechanism 7 is connected with the air inlet end of the aeration head 12 through a conduit.

The gas to be cooled is conveyed into the heat exchange coil 2 in the first box body 1 through the guide pipe connected with the air inlet 4, high-temperature gas exchanges heat with water below the heat exchange coil 2, water vapor generated by heat exchange exchanges heat with the heat exchange coil 2 with the upper part hotter to form high-temperature water vapor, the high-temperature water vapor is output from the hot vapor discharge port 3 and is collected, heat recovery is achieved, the gas subjected to primary heat exchange through the heat exchange coil 2 and the water in the first box body 1 is conveyed into the heat exchange mechanism 7 in the second box body 6, the heat exchange mechanism 7 performs secondary heat exchange with the water in the second box body 6, the gas subjected to secondary heat exchange is conveyed to the aeration head 12 in the barrel body 10 through the pipeline, the output gas is output from the aeration head 12, and the gas is subjected to secondary heat exchange and cooling by the washing liquid in the barrel body 10, so that the multiple heat exchange and cooling of the gas are achieved.

Be provided with first water pump 5 between first box 1 and the second box 6, the pipeline that the input of first water pump 5 is connected runs through second box 6 under water, and the output of first water pump 5 is through running through first box 1, and the water in the first box 1 is heated and is continuously transpired and export from hot steam discharge port 3, when the water in the first box 1 is too low, the water in the first box 6 is carried to in the first box 1 to first water pump 5.

The second water pump 9 of second box 6 lateral wall fixedly connected with, second water pump 9 input fixed connection's pipe runs through second box 6 lateral wall, and be in the aquatic in the second box 6, second water pump 9 output fixed connection has heat exchanger 8, be provided with the fan on the heat exchanger 8, and fix and mix first at second box 6 top, heat exchanger 8 output fixed connection's pipe runs through second box 6 top, in carrying the heat exchanger 8 at top with the water after the heat transfer through second water pump 9, realize cooling down to the water, the water after the cooling is carried in the second box 6, realize cooling down to the water in the second box 6.

The heat exchange mechanism 7 comprises a gas distribution pipe 18 and a gas collection pipe 19, wherein the gas inlet end of the gas distribution pipe 18 is connected with an input catheter, the output end of the gas collection pipe 19 is connected with an output catheter, a heat exchange pipe 20 is uniformly and equidistantly fixedly connected between the gas distribution pipe 18 and the gas collection pipe 19, two ends of the heat exchange pipe 20 are respectively communicated with the gas distribution pipe 18 and the gas collection pipe 19, and a plurality of heat exchange fins 21 are uniformly and equidistantly fixedly connected to the outer wall of the heat exchange pipe 20.

The bottom of the barrel body 10 is provided with a drain outlet 15, the side wall of the barrel body 10 is provided with a drain outlet 16, the drain outlet 15 and the drain outlet 16 are provided with valves, and the drain outlet 15 is convenient for discharging dirt accumulated in the barrel body 10.

A foam remover 13 is fixedly arranged above the inner wall of the barrel body 10.

The water spraying mechanism 17 comprises an annular pipe 22, the water inlet end of the annular pipe 22 is communicated with a guide pipe at the output end of the third water pump 11, the outer wall of the annular pipe 22 is fixedly connected with connecting legs 24 according to the circumference, the connecting legs 24 are fixedly connected with the inner wall of the barrel 10, and spray heads 23 are uniformly arranged at the top of the annular pipe 22 according to the circumference.

Example two

This embodiment differs from embodiment 1 in that: the side wall of the barrel body 10 is fixedly provided with a third water pump 11, a pipeline fixedly connected with the output end of the third water pump 11 penetrates through the side wall of the barrel body 10 and is positioned in washing liquid, the inner wall of the barrel body 10 is fixedly provided with a water spraying mechanism 17 below the foam remover 13, the pipeline fixedly connected with the output end of the third water pump 11 is connected with the water inlet end of the water spraying mechanism 17, the air outlet end of the top of the barrel body 10 is connected with a dryer 14 through a conduit, and the output end of the dryer 14 is conveyed into a gas storage container through the conduit.

The output gas is output from the aeration head 12, is washed by the washing liquid in the barrel body 10, moves upwards, is leached by the washing liquid sprayed out from the spray head 23 in the water spraying mechanism 17, and is collected after being dried by the dryer 14, so that the gas is purified.

The demister 13, namely a conventional non-calibrated commercially available wire mesh demister, can block tiny liquid drops (namely tiny liquid drops of the washing liquid entrained by the gas flow) which move upwards along with the upward flow of the aeration head 12 submerged in the washing liquid after the washing liquid flows upwards through the preset barrel body 10 and continue to move upwards above the washing liquid, the tiny liquid drops are sourced from bigger liquid drops of the washing liquid which fall downwards under the action of gravity after being sprayed upwards by the water spraying mechanism 17, and the bigger liquid drops of the washing liquid are broken up into tiny liquid drops by the gas flowing upwards when falling downwards. The dryer 14 is an existing gas dryer commonly used in the current coal chemical industry and coking industry, generally consists of a drying tower, an electric heater, a circulating fan, a cooler, a gas-liquid separator and the like, and is particularly suitable for adsorption drying of inflammable and explosive gases such as coal gas, gas and the like by absorbing moisture contained in the coal gas by utilizing a temperature swing adsorption principle and then striking the aim of separating the coal gas from water vapor.

The working principle of the utility model is as follows:

when in use, high-temperature gas is conveyed into the heat exchange coil pipe 2 from the air inlet 4, the gas flows downwards in the heat exchange coil pipe 2 from top to bottom, the gas in the heat exchange coil pipe 2 at the lower part exchanges heat with water in the first box body 1 to generate water vapor which flows upwards, the upward water vapor exchanges heat with the gas at higher temperature in the upper part of the heat exchange coil pipe 2, the water vapor is discharged from the hot vapor discharge port 3 at the top of the first box body 1 and is collected and utilized, the gas after heat exchange in the first box body 1 is conveyed into the heat exchange mechanism 7 in the second box body 6 through a pipeline, the gas is separated into different heat exchange pipes 20 through the gas separation pipes 18 in the heat exchange mechanism 7, the gas flows and is gathered and output by the gas collection pipes 19 with the water in the second box body 6, the gas after heat exchange with the water in the second box body 6 is conveyed into the aeration head 12 in the barrel body 10 through the pipeline, meanwhile, the second water pump 9 conveys the heat-exchanged water to the heat exchanger 8 at the top to realize the cooling of the water, the cooled water is conveyed to the second box 6 to realize the cooling of the water in the second box 6, the gas is conveyed to the washing liquid from the aeration head 12, the gas forms bubbles to float upwards, the washing liquid exchanges heat with the gas and washes the gas, the third water pump 11 conveys the washing liquid in the barrel 10 to the water spraying mechanism 17, the washing liquid is sprayed out from the spray head 23 at the top of the water spraying mechanism 17, the upward flowing gas is leached, meanwhile, the bigger drops of the downward falling washing liquid are impacted by the upward flowing gas flow to be dispersed into tiny drops, the foam remover 13 can block/filter the tiny drops of the washing liquid carried in the upward flowing gas flow, the gas is subjected to impurity removal and washing again, and the gas subjected to impurity removal is dried through the dryer 14 so as to purify and dry the gas, so that the gas is subjected to multiple heat exchange.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a coal gas cooling device, includes first box (1), second box (6) and staving (10), its characterized in that: the utility model discloses a water pump, which is characterized in that a heat exchange coil (2) is fixedly installed in a first box body (1), an air inlet (4) and a hot steam discharge port (3) are arranged at the top of the first box body (1), the air inlet (4) is connected with a gas input pipe, the top end of the heat exchange coil (2) is fixedly connected with the air inlet (4), a heat exchange mechanism (7) is fixedly installed in a second box body (6), water is placed in the first box body (1) and the second box body (6), the lower part of the heat exchange coil (2) is internally arranged in the water, the heat exchange mechanism (7) is completely immersed in the water, the bottom end of the heat exchange coil (2) penetrates through the bottom of the first box body (1) and is connected with the air inlet end of the heat exchange mechanism (7) through a conduit, an aeration head (12) is fixedly installed in a barrel body (10), washing liquid is arranged in the barrel body (10) and is not over the air inlet (12), an air outlet pipe of the heat exchange mechanism (7) is connected with the air inlet end of the aeration head (12) through a conduit, the top air outlet end of the barrel body (10) is connected with a dryer (14) through a conduit, the dryer (14) is fixedly arranged at the output end of the top of the barrel body (10) through the air outlet pipe is fixedly connected with the side wall of the water pump (11) through a conduit, the water pump is fixedly arranged in the side wall of the water pump (11) and is fixedly arranged in the side wall of the water pump, the inner wall of the barrel body (10) is fixedly provided with a water spraying mechanism (17) below the demister (13), and a pipeline fixedly connected with the output end of the third water pump (11) is connected with the water inlet end of the water spraying mechanism (17).

2. The gas cooling apparatus of claim 1, wherein: a first water pump (5) is arranged between the first box body (1) and the second box body (6), a pipeline connected with the input end of the first water pump (5) penetrates through the second box body (6) to the water, and the output end of the first water pump (5) penetrates through the first box body (1).

3. The gas cooling apparatus of claim 1, wherein: the utility model discloses a water heater, including second box (6) lateral wall fixedly connected with second water pump (9), the pipe of second water pump (9) input fixed connection runs through second box (6) lateral wall, and be in the aquatic in second box (6), second water pump (9) output fixedly connected with heat exchanger (8), be provided with the fan on heat exchanger (8), and fix and mix at second box (6) top, heat exchanger (8) output fixedly connected's pipe runs through second box (6) top.

4. The gas cooling apparatus of claim 1, wherein: the heat exchange mechanism (7) comprises a gas distribution pipe (18) and a gas collection pipe (19), wherein the gas inlet end of the gas distribution pipe (18) is connected with an input catheter, the output end of the gas collection pipe (19) is connected with an output catheter, a heat exchange pipe (20) is uniformly and equidistantly fixedly connected between the gas distribution pipe (18) and the gas collection pipe (19), two ends of the heat exchange pipe (20) are respectively communicated with the gas distribution pipe (18) and the gas collection pipe (19), and a plurality of heat exchange fins (21) are uniformly and equidistantly fixedly connected to the outer wall of the heat exchange pipe (20).

5. The gas cooling apparatus of claim 1, wherein: the novel water-saving water closet is characterized in that a drain outlet (15) is formed in the bottom of the barrel body (10), a water outlet (16) is formed in the side wall of the barrel body (10), and valves are arranged on the drain outlet (15) and the water outlet (16).

6. The gas cooling apparatus of claim 1, wherein: a foam remover (13) is fixedly arranged above the inner wall of the barrel body (10).

7. The gas cooling apparatus of claim 1, wherein: the water spraying mechanism (17) comprises an annular pipe (22), the water inlet end of the annular pipe (22) is communicated with the guide pipe at the output end of the third water pump (11), the outer wall of the annular pipe (22) is fixedly connected with a connecting leg (24) according to the circumference, the connecting leg (24) is fixedly connected with the inner wall of the barrel body (10), and a spray head (23) is uniformly arranged at the top of the annular pipe (22) according to the circumference.