CN213348333U

CN213348333U - Hydrogen chloride gas recovery unit

Info

Publication number: CN213348333U
Application number: CN202021027826.4U
Authority: CN
Inventors: 夏翔飞; 苏亚军; 朱文浩; 袁志明
Original assignee: Hubei Yuanhuan Industrial Investment Co ltd
Current assignee: Hubei Yuanhuan Industrial Investment Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-06-04
Anticipated expiration: 2030-06-08

Abstract

The utility model discloses a hydrogen chloride gas recovery unit relates to hydrogen chloride gas recovery technical field, and there is the structure complicacy to current hydrogen chloride recycle equipment, the problem of the expensive and inconvenient use of cost, the following scheme of present proposition, it is including receiving jar and heat exchanger body, the upper end fixed surface position who receives the jar installs the return bend, just the return bend is kept away from the upper end fixed surface position who receives the jar and is connected with the heat exchanger body, the heat exchanger body is kept away from the upper end fixed surface position who receives the jar and is connected with the intake pipe, just the outside bottom fixed surface position who receives the jar is connected with the conveyer pipe, the conveyer pipe is kept away from the lateral wall fixed position who receives the jar and is installed gas compression pump. The utility model discloses novel structure, and solved because current hydrogen chloride recycle equipment exists that the structure is complicated, the problem of the expensive and inconvenient use of cost.

Description

Hydrogen chloride gas recovery unit

Technical Field

The utility model relates to a hydrogen chloride gas retrieves technical field, especially relates to a hydrogen chloride gas recovery unit.

Background

The hydrogen chloride is a colorless and non-combustible gas, has extremely pungent smell, has specific gravity larger than that of air, generates white fog when meeting humid air, is very easy to dissolve in water to generate hydrochloric acid, has strong corrosivity, can react with various metals to generate hydrogen, can form an explosive mixture with the air, and generates highly toxic hydrogen cyanide when meeting cyanide.

If the hydrogen chloride is not treated, the hydrogen chloride is directly discharged to the atmosphere, so that the environment is polluted, and the existing hydrogen chloride recycling equipment has the problems of complex structure, high manufacturing cost and inconvenience in use, so that a hydrogen chloride gas recycling device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hydrogen chloride gas recovery unit has solved because current hydrogen chloride recycle equipment exists that the structure is complicated, the problem of the expensive and inconvenient use of cost.

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

a hydrogen chloride gas recovery device comprises a receiving tank and a heat exchanger body, wherein a connecting elbow is fixedly installed at the upper end surface position of the receiving tank, the upper end surface position of the connecting elbow, which is far away from the receiving tank, is fixedly connected with the heat exchanger body, an air inlet pipe is fixedly connected with the upper end surface position of the heat exchanger body, which is far away from the receiving tank, a conveying pipe is fixedly connected with the outer side bottom end position of the receiving tank, a gas compression pump is fixedly installed at the side wall position of the conveying pipe, which is far away from the receiving tank, a gas-liquid separation tank is fixedly connected with the side wall position of the gas compression pump, which is far away from the conveying pipe, a second connecting pipe is fixedly connected with the bottom end position of the gas-liquid separation tank, a receiving tank is fixedly connected with the side wall, and the first connecting pipe is fixedly connected with a gas storage tank at the position of the side wall far away from the gas-liquid separation tank.

Preferably, the upper end surface position fixed mounting that first connecting pipe was kept away from to gas holding vessel has the relief pressure valve, just the outer end that gas holding vessel was kept away from to the relief pressure valve cup joints installs gas flowmeter, the upper end surface position fixed mounting that gas flowmeter was kept away from to the relief pressure valve has the discharge pipe.

Preferably, the outer end of the heat exchanger body close to the air inlet pipe is sleeved with an upper end cover, and the outer end of the heat exchanger body close to the connecting bent pipe is sleeved with a lower end cover.

Preferably, a cooling liquid inlet pipe is installed at a position, close to the side wall of the upper end cover, of the heat exchanger body in a penetrating manner, and a cooling liquid outlet hole is formed at a position, close to the side wall of the lower end cover, of the heat exchanger body.

Preferably, the outer ends of the side walls of the upper end cover and the lower end cover are fixedly provided with fastening bolts.

The utility model has the advantages that:

1: when the device is used, gas mixed with other impurities is introduced into the heat exchanger body through the gas inlet pipe and then enters the receiving tank from the connecting bent pipe, so that the hydrogen chloride gas achieves the purpose of reducing the water content in the first step; meanwhile, concentrated sulfuric acid is placed in the gas-liquid separation tank and is connected into the receiving tank, hydrogen chloride gas enters the gas-liquid separation tank through the gas compression pump, and the hydrogen chloride gas is further dehydrated due to the water absorption and drying effects of the concentrated sulfuric acid.

2: when the device is used, the hydrogen chloride gas obtained by secondary dehydration enters the gas storage tank through the first connecting pipe, and is conveyed into a reaction tank for secondary utilization through the discharge pipe by matching the pressure reducing valve with the gas flowmeter, so that the hydrogen chloride is recycled, and the operation is simple.

In summary, the following steps: the device solves the problems of complex structure, high manufacturing cost and inconvenient use of the existing hydrogen chloride recycling equipment, and has simple operation and high practicability.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the structure viewed from the right side of the present invention.

Fig. 3 is a schematic structural diagram of the heat exchanger body of the present invention.

Reference numbers in the figures: 1. an air inlet pipe; 2. a coolant inlet tube; 3. a heat exchanger body; 4. a coolant discharge hole; 5. connecting a bent pipe; 6. a receiving tank; 7. a delivery pipe; 8. a gas compression pump; 9. a gas storage tank; 10. a discharge pipe; 11. a gas flow meter; 12. a pressure reducing valve; 13. a first connecting pipe; 14. a gas-liquid separation tank; 15. a second connecting pipe; 16. an upper end cover; 17. and a lower end cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a hydrogen chloride gas recovery device comprises a receiving tank 6 and a heat exchanger body 3, wherein a connecting elbow 5 is fixedly installed on the upper end surface position of the receiving tank 6, the upper end surface position of the connecting elbow 5 far away from the receiving tank 6 is fixedly connected with the heat exchanger body 3, the upper end surface position of the heat exchanger body 3 far away from the receiving tank 6 is fixedly connected with an air inlet pipe 1, the outer side bottom end position of the receiving tank 6 is fixedly connected with a delivery pipe 7, the side wall position of the delivery pipe 7 far away from the receiving tank 6 is fixedly installed with a gas compression pump 8, the side wall position of the gas compression pump 8 far away from the delivery pipe 7 is fixedly connected with a gas-liquid separation tank 14, the bottom end position of the gas-liquid separation tank 14 is fixedly connected with a second connecting pipe 15, and the side wall position of the second connecting pipe 15, the upper end surface position of the gas-liquid separation tank 14 is fixedly provided with a first connecting pipe 13, the first connecting pipe 13 is fixedly connected with a gas storage tank 9 far away from the side wall position of the gas-liquid separation tank 14, the gas storage tank 9 is fixedly provided with a pressure reducing valve 12 far away from the upper end surface position of the first connecting pipe 13, the outer end of the pressure reducing valve 12 far away from the gas storage tank 9 is sleeved with a gas flowmeter 11, the upper end surface position of the pressure reducing valve 12 far away from the gas flowmeter 11 is fixedly provided with a discharge pipe 10, the outer end of the heat exchanger body 3 near the gas inlet pipe 1 is sleeved with an upper end cover 16, the outer end of the heat exchanger body 3 near the connecting elbow 5 is sleeved with a lower end cover 17, the side wall position of the heat exchanger body 3 near the upper end cover 16 is penetrated with a cooling liquid inlet pipe 2, the outer end positions of the side walls of the upper end cover 16 and the lower end cover 17 are fixedly provided with fastening bolts.

The working principle is as follows: when the hydrogen chloride gas recovery device is used, firstly, hydrogen chloride gas is introduced into an air inlet pipe 1, meanwhile, cooling liquid is filled into a cooling liquid inlet pipe 2, the hydrogen chloride gas passes through the cooling liquid in a heat exchanger body 3, so that the hydrogen chloride gas is subjected to primary moisture removal, then the hydrogen chloride gas enters a receiving tank 6 through a connecting bent pipe 5, then a gas compression pump 8 is started, the hydrogen chloride gas enters a gas-liquid separation tank 14 through a conveying pipe 7 under the action of the gas compression pump 8, the performance of water absorption and drying is exerted through concentrated sulfuric acid in the gas-liquid separation tank 14, so that the hydrogen chloride gas is subjected to secondary effective water removal work, then the separated hydrogen chloride gas enters a gas storage tank 9 through a first connecting pipe 13, then a pressure reducing valve 12 is started, and the hydrogen chloride gas is discharged from a discharge pipe 10 through an observation gas flowmeter 11, thereby completing the secondary utilization of the hydrogen chloride gas.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The hydrogen chloride gas recovery device comprises a receiving tank (6) and a heat exchanger body (3), and is characterized in that a connecting elbow (5) is fixedly arranged at the upper end surface position of the receiving tank (6), the connecting elbow (5) is fixedly connected with the heat exchanger body (3) at the upper end surface position far away from the receiving tank (6), the heat exchanger body (3) is fixedly connected with an air inlet pipe (1) at the upper end surface position far away from the receiving tank (6), a conveying pipe (7) is fixedly connected at the outer side bottom end position of the receiving tank (6), a gas compression pump (8) is fixedly arranged at the side wall position far away from the receiving tank (6) of the conveying pipe (7) of the gas compression pump (8), a gas-liquid separation tank (14) is fixedly connected at the side wall position far away from the conveying pipe (7) of the gas compression pump (8), and a second connecting, and the second connecting pipe (15) is far away from the receiving tank (6) at the position of the side wall of the gas-liquid separation tank (14), the upper end surface of the gas-liquid separation tank (14) is fixedly provided with a first connecting pipe (13), and the first connecting pipe (13) is far away from the gas storage tank (9) at the position of the side wall of the gas-liquid separation tank (14).

2. The hydrogen chloride gas recovery device according to claim 1, wherein a pressure reducing valve (12) is fixedly installed on the upper end surface of the gas storage tank (9) far away from the first connecting pipe (13), a gas flow meter (11) is sleeved on the outer end of the pressure reducing valve (12) far away from the gas storage tank (9), and a discharge pipe (10) is fixedly installed on the upper end surface of the pressure reducing valve (12) far away from the gas flow meter (11).

3. The hydrogen chloride gas recovery device according to claim 1, wherein an upper end cover (16) is sleeved on the outer end of the heat exchanger body (3) close to the gas inlet pipe (1), and a lower end cover (17) is sleeved on the outer end of the heat exchanger body (3) close to the connecting elbow (5).

4. The hydrogen chloride gas recovery device according to claim 1, wherein a cooling liquid inlet pipe (2) is installed through the side wall of the heat exchanger body (3) close to the upper end cover (16), and a cooling liquid outlet hole (4) is arranged on the side wall of the heat exchanger body (3) close to the lower end cover (17).

5. The hydrogen chloride gas recovery device according to claim 3, wherein the outer end positions of the side walls of the upper end cover (16) and the lower end cover (17) are fixedly provided with fastening bolts.