CN216155798U - Gas cooling naphthalene removal purification system - Google Patents
Gas cooling naphthalene removal purification system Download PDFInfo
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- CN216155798U CN216155798U CN202121570076.XU CN202121570076U CN216155798U CN 216155798 U CN216155798 U CN 216155798U CN 202121570076 U CN202121570076 U CN 202121570076U CN 216155798 U CN216155798 U CN 216155798U
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Abstract
The utility model discloses a gas cooling naphthalene removal purification system, which relates to the technical field of gas cooling naphthalene removal and comprises a heat absorption conversion tower and a condenser, wherein the bottom of the inner wall of the heat absorption conversion tower is fixedly connected with a thermoelectric conversion base, the inner wall of the heat absorption conversion tower is fixedly connected with a heat energy absorption layer, and the upper surface of the heat absorption conversion tower is fixedly connected with an air inlet pipe. The utility model solves the problems that the cooling water of the existing water-cooling gas purifying chiller is direct flushing water in which water is directly contacted with gas, so that a large amount of harmful substances are contained in the water, the water of the chilling water tank of the existing water-cooling gas purifying chiller is easy to be full of water in rainy seasons, the water accident is caused to be discharged outside, and the environment is seriously polluted by the water, and further solves the problem that in the process of directly exchanging heat between the cooling water and high-temperature gas in the existing water-cooling gas purifying chiller, part of water vapor is condensed out along with the deep cooling of the gas in an indirect cooler, so that the yield of the gas phenol-containing wastewater is increased.
Description
Technical Field
The utility model relates to the technical field of gas cooling naphthalene removal, in particular to a gas cooling naphthalene removal purification system.
Background
The coke oven gas is mainly a high-heat energy combustible gas containing hydrocarbons, methane and hydrogen, which is a byproduct of a coke-oven plant, and is generally used as fuel gas for power generation. The thermal efficiency of the gas turbine power generation is higher than that of a steam turbine, and the gas turbine power generation is selected for coke oven gas power generation of a common coke-oven plant. However, the purity requirement of gas generated by a combustion engine is high, organic matters such as benzene, toluene, xylene, naphthalene, tar and the like in the coke oven gas are removed to prevent a nozzle of the combustion engine from being blocked, sulfides in the coke oven gas are also removed to prevent the emission of sulfur dioxide in flue gas after combustion from exceeding the standard, and ammonia in the coke oven gas is also removed to prevent the emission of nitrides from exceeding the standard. Therefore, before the coal gas is combusted and generated, the coal gas needs to be purified to remove aromatic hydrocarbons, tar, sulfides, ammonia gas and the like carried in the coal gas.
The gas purifying and cooling system for the lower section of the water cooling process consists of a cyclone dust collector and a chiller, and is mainly characterized in that the primary purification and cooling of the gas at the lower section of the producer are realized by direct contact between water and the gas in the chiller and by concurrent and countercurrent heat exchange.
The following problems exist in the prior art:
1. the cooling water of the existing water-cooling gas purifying chiller is direct washing water in which water is directly contacted with gas, and contains a large amount of tar, dust, benzene, phenol and other harmful substances. However, the water is naturally evaporated in the cooling water pool to seriously pollute the air, the station area environment is poor, and the chilling water pool of the chiller is easy to be full of water in rainy season, so that the water is discharged out in accident and seriously pollutes the environment;
2. in the process of directly exchanging heat between cooling water and high-temperature coal gas in the existing water-cooling purified coal gas intermediate chiller, a considerable part of water is vaporized into water vapor which is taken away by the coal gas and enters the next stage of purification cooling process, and the water vapor is condensed out in an indirect cooler along with the deep cooling of the coal gas, so that the yield of the coal gas phenol-containing wastewater is greatly increased, and great difficulty is brought to the treatment of the phenol-containing wastewater.
SUMMERY OF THE UTILITY MODEL
The utility model provides a gas cooling naphthalene removal purification system, which aims to provide a heat absorption conversion tower and a condenser and solves the problems that cooling water of a chiller in the existing water-cooling purification of gas is direct flushing water in which water is directly contacted with gas, contains a large amount of tar, dust, benzene, phenol and other harmful substances, seriously pollutes air after the water is naturally evaporated in a cooling water tank, the station area environment is poor, and the chilling water tank is easily filled with water in rainy seasons, so that water accidents are caused to be discharged outside and the environment is seriously polluted; the other purpose is to solve the problem that in the process of directly exchanging heat between cooling water and high-temperature coal gas in the existing water-cooling purified coal gas chiller, a considerable part of water is vaporized into water vapor which is taken away by the coal gas and enters the next stage of purification cooling process, and the water vapor is condensed out in an indirect cooler along with the deep cooling of the coal gas, so that the yield of the coal gas phenol-containing wastewater is greatly increased, the problem of great difficulty in the treatment of the phenol-containing wastewater is solved, and the wastewater treatment cost is reduced.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
the gas cooling and naphthalene removing purification system comprises an endothermic conversion tower and a condenser, wherein the bottom of the inner wall of the endothermic conversion tower is fixedly connected with a thermoelectric conversion base, the inner wall of the endothermic conversion tower is fixedly connected with a heat energy absorption layer, and the upper surface of the endothermic conversion tower is fixedly connected with an air inlet pipe.
The bottom of the air inlet pipe is fixedly connected with a flow pipe, one end, far away from the air inlet pipe, of the flow pipe is fixedly connected with a transmission pipe, one end, far away from the flow pipe, of the transmission pipe is fixedly connected with a condenser, and the front face of the condenser is fixedly connected with a condensation circulation pipe.
The technical scheme of the utility model is further improved as follows: the condenser is characterized in that one end of the condensation circulating pipe is fixedly connected with a water outlet pipe, the other end of the condensation circulating pipe is fixedly connected with a water inlet pipe, the right side of the condenser is fixedly connected with an electric control flow divider, the front side of the electric control flow divider is fixedly connected with a circulating pipe, the right side of the electric control flow divider is fixedly connected with an air outlet pipe, and the left end of the circulating pipe is fixedly connected with an electric control valve.
The technical scheme of the utility model is further improved as follows: the inner wall fixedly connected with naphthalene attachment plate of condenser, the last fixed surface of condenser is connected with the controller, the bottom swing joint of controller has the scraper blade, the bottom of scraper blade runs through the top fixedly connected with connecting rod of condenser.
The technical scheme of the utility model is further improved as follows: the front surface of the naphthalene attaching plate is movably connected with the back surface of the connecting rod.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has the technical progress that:
1. the utility model provides a gas cooling naphthalene removal purification system.A condenser utilizes circulating cooling water in an outer wall condensation circulating pipe to cool and treat internal gas, is regulated and controlled through an electric control flow divider valve, and circularly treats the gas through a circulating pipe, a connecting rod arranged at the bottom of a starting controller scrapes naphthalene attached to a naphthalene attachment plate, the naphthalene falls into a collection bin at the bottom, and the problem that cooling water of a chiller in the existing water-cooling purification of the gas is direct washing water in which water is directly contacted with the gas, and contains a large amount of tar, dust, benzene, phenol and other harmful substances is solved by utilizing the condenser. However, the water is naturally evaporated in the cooling water pool to seriously pollute the air, the station area environment is poor, and the chilling device cooling water pool is easy to be full of water in rainy season, so that the water is discharged out in accident and seriously pollutes the environment.
2. The utility model provides a gas cooling naphthalene-removing purification system, which solves the problems that in the process of cooling and purifying by using a condenser, no cooling water is in contact with gas, a considerable part of water is vaporized into water vapor which is taken away by the gas and enters the next-stage purification cooling process in the process of directly exchanging heat between the cooling water and high-temperature gas in the existing water-cooling purification gas chiller, and the water vapor is condensed out along with the deep cooling of the gas in an indirect cooler, thereby greatly increasing the yield of the gas phenol-containing wastewater and bringing great difficulty to the treatment of the phenol-containing wastewater.
Drawings
FIG. 1 is a schematic view of the flow structure of a gas cooling naphthalene removal purification system of the present invention;
FIG. 2 is a schematic view of the endothermic shift column and condenser connection of the present invention;
FIG. 3 is a schematic view of a detail of the endothermic heat transfer tower of the present invention;
fig. 4 is a schematic diagram showing the structure of the condenser of the present invention in detail.
In the figure: 1. a heat absorption conversion tower; 2. an air inlet pipe; 3. a conveying pipe; 4. a condenser; 5. a flow tube; 6. A thermoelectric conversion mount; 7. a thermal energy absorbing layer; 8. a water outlet pipe; 9. a naphthalene attachment plate; 10. a controller; 11. a connecting rod; 12. a squeegee; 13. an electrically controlled flow divider valve; 14. an air outlet pipe; 15. a water inlet pipe; 16. a condensing circulation pipe; 17. a circulation pipe; 18. an electrically controlled valve; 19. a collection bin; 20. a gas furnace; 21. a dust remover; 22. an electrical tar precipitator; 23. a dehydrogenation tower; 24. a desulfurizing tower.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1-4, the utility model provides a gas cooling naphthalene removal purification system, which comprises an endothermic conversion tower 1 and a condenser 4, wherein a thermoelectric conversion base 6 is fixedly connected to the bottom of the inner wall of the endothermic conversion tower 1, a heat energy absorption layer 7 is fixedly connected to the inner wall of the endothermic conversion tower 1, an air inlet pipe 2 is fixedly connected to the upper surface of the endothermic conversion tower 1, a flow pipe 5 is fixedly connected to the bottom of the air inlet pipe 2, a transmission pipe 3 is fixedly connected to one end of the flow pipe 5 far away from the air inlet pipe 2, a condenser 4 is fixedly connected to one end of the transmission pipe 3 far away from the flow pipe 5, a condenser runner 16 is fixedly connected to the front surface of the condenser 4, one end of the condenser runner 16 is fixedly connected to an outlet pipe 8, a water inlet pipe 15 is fixedly connected to the other end of the condenser runner 16, and an electrically controlled diverter valve 13 is fixedly connected to the right side of the condenser 4.
Example 2
As shown in fig. 1 to 4, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the front side of the electronic control flow dividing valve 13 is fixedly connected with a circulating pipe 17, the left end of the circulating pipe 17 is fixedly connected with an electronic control valve 18, the right side of the electronic control flow dividing valve 13 is fixedly connected with an air outlet pipe 14, the inner wall of the condenser 4 is fixedly connected with a naphthalene attachment plate 9, the upper surface of the condenser 4 is fixedly connected with a controller 10, the bottom of the controller 10 is movably connected with a scraper 12, the bottom end of the scraper 12 penetrates through the top of the condenser 4 and is fixedly connected with a connecting rod 11, and the front side of the naphthalene attachment plate 9 is movably connected with the back side of the connecting rod 11
The working principle of the gas cooling naphthalene-removing purification system is described in detail below.
As shown in fig. 1-4, the gas generated by the gas furnace 20 enters the dust collector 21 and the electrical tar precipitator 22 through the pipeline for dust removal and electrical tar precipitation, the gas after dust removal and electrical tar precipitation is introduced into the heat absorption conversion tower 1, the high temperature gas is absorbed and cooled in the heat absorption conversion tower 1 and is transmitted to the interior of the condenser 4 through the transmission pipe 3, the condenser 4 utilizes the circulating cooling water in the outer wall condensation circulation pipe 16 to cool the gas in the interior, the gas is regulated and controlled through the electrically controlled flow divider 13 and is circulated through the circulation pipe 17, the connecting rod 11 installed at the bottom of the controller 10 is started to scrape the naphthalene attached on the naphthalene attachment plate 9, the naphthalene falls into the collection bin 19 at the bottom, the gas discharged from the gas outlet pipe 14 is introduced into the dehydrogenation tower 23 for dehydrogenation, the gas after dehydrogenation is transmitted to the desulfurization tower 24 through the pipeline, and (4) performing desulfurization treatment to finish naphthalene removal and purification of the coal gas.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the utility model without departing from the spirit of the inventive concept.
Claims (4)
1. The utility model provides a coal gas cooling removes naphthalene clean system, includes endothermic shift tower (1) and condenser (4), its characterized in that: the bottom of the inner wall of the heat absorption conversion tower (1) is fixedly connected with a thermoelectric conversion base (6), the inner wall of the heat absorption conversion tower (1) is fixedly connected with a heat energy absorption layer (7), and the upper surface of the heat absorption conversion tower (1) is fixedly connected with an air inlet pipe (2);
the bottom of intake pipe (2) fixedly connected with flow pipe (5), the one end fixedly connected with transmission pipe (3) of intake pipe (2) are kept away from to flow pipe (5), the one end fixedly connected with condenser (4) of flow pipe (5) are kept away from to transmission pipe (3), the front fixedly connected with condensation runner pipe (16) of condenser (4).
2. The gas cooling naphthalene removal purification system as claimed in claim 1, wherein: the condenser is characterized in that one end of the condensation circulation pipe (16) is fixedly connected with a water outlet pipe (8), the other end of the condensation circulation pipe (16) is fixedly connected with a water inlet pipe (15), the right side of the condenser (4) is fixedly connected with an electric control flow divider (13), the front side of the electric control flow divider (13) is fixedly connected with a circulation pipe (17), the right side of the electric control flow divider (13) is fixedly connected with a gas outlet pipe (14), and the left end of the circulation pipe (17) is fixedly connected with an electric control valve (18).
3. The gas cooling naphthalene removal purification system as claimed in claim 1, wherein: the inner wall fixedly connected with naphthalene attachment plate (9) of condenser (4), the last fixed surface of condenser (4) is connected with controller (10), the bottom swing joint of controller (10) has scraper blade (12), the bottom of scraper blade (12) runs through the top fixedly connected with connecting rod (11) of condenser (4).
4. The gas cooling naphthalene removal purification system as claimed in claim 3, wherein: the front surface of the naphthalene attaching plate (9) is movably connected with the back surface of the connecting rod (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121570076.XU CN216155798U (en) | 2021-07-09 | 2021-07-09 | Gas cooling naphthalene removal purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121570076.XU CN216155798U (en) | 2021-07-09 | 2021-07-09 | Gas cooling naphthalene removal purification system |
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| Publication Number | Publication Date |
|---|---|
| CN216155798U true CN216155798U (en) | 2022-04-01 |
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| CN202121570076.XU Active CN216155798U (en) | 2021-07-09 | 2021-07-09 | Gas cooling naphthalene removal purification system |
Country Status (1)
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| CN (1) | CN216155798U (en) |
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2021
- 2021-07-09 CN CN202121570076.XU patent/CN216155798U/en active Active
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