CN215610441U

CN215610441U - Carbon dioxide impurity removal system

Info

Publication number: CN215610441U
Application number: CN202122061153.5U
Authority: CN
Inventors: 刘键; 高云龙; 张伟立
Original assignee: Jilin Tianze Co2 Tech Co ltd
Current assignee: Jilin Tianze Co2 Tech Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-01-25
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses a carbon dioxide impurity removal system which comprises an air inlet pipe, a washing tower, an air outlet pipe, a water seal tank, a liquid return pipe, a liquid inlet pipe, a liquid outlet pipe, an anti-siphon elbow, a first overflow pipe, a second overflow pipe, a liquid discharge pipe and a recovery tank, wherein the air inlet pipe is connected with the washing tower; the gas inlet pipe is connected with a gas inlet on the side wall of the washing tower, the gas outlet pipe is connected with a gas outlet on the top of the washing tower, a main pipe of the gas outlet pipe leads out gas, and a branch pipe of the gas outlet pipe is conveyed into the water seal tank through the top of the water seal tank; the medium in the liquid inlet pipe enters the washing tower through the side wall of the washing tower, the liquid outlet pipe flows out from the bottom of the washing tower and is connected with the circulating pump, the other end of the circulating pump is connected with a liquid return pipe, one end of the liquid return pipe, which is far away from the circulating pump, is connected with the side wall of the top of the washing tower, and the liquid discharge pipe is connected with the bottom of the water seal tank; the bottom side wall of the washing tower is provided with a first overflow pipe, the side wall of the water seal tank is provided with a second overflow pipe, and the first overflow pipe is provided with an anti-siphon elbow.

Description

Carbon dioxide impurity removal system

Technical Field

The utility model belongs to the field of medical filling, and particularly relates to a carbon dioxide impurity removal system.

Background

The industry of society is now rapidly growing and there is a great demand for energy, of which carbon dioxide is a part of the industrial development of society today, and high purity carbon dioxide is mainly used in the electronics industry and as a regulator in polyethylene polymerization. Solid carbon dioxide is widely used in refrigerated dairy products, meat, frozen foods and other perishable foods in transit. Gaseous carbon dioxide is used for carbonizing soft drinks, chemical processing, food preservation, inert shielding in chemical and food processing processes, welding gas, etc., so production of carbon dioxide is an important aspect of modern life.

In the production process of carbon dioxide, the carbon dioxide of gas needs to be filtered, but the system stability of the needle in the prior art is not high, the filtering effect is not good, and no good scheme is provided for solving the siphon problem and the overflow problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides a carbon dioxide impurity removal system, which specifically includes:

a carbon dioxide impurity removal system comprises an air inlet pipe, a washing tower, an air outlet pipe, a water seal tank, a liquid return pipe, a liquid inlet pipe, a liquid outlet pipe, an anti-siphon elbow, a first overflow pipe, a second overflow pipe, a liquid discharge pipe, a recovery tank and a circulating pump;

the air inlet pipe is connected with an air inlet on the side wall of the washing tower, the air outlet pipe is connected with an air outlet on the top of the washing tower, the main pipe of the air outlet pipe leads out air, and the branch pipe of the air outlet pipe is conveyed into the water seal tank through the top of the water seal tank;

the medium in the liquid inlet pipe enters the washing tower through the side wall of the washing tower, the liquid outlet pipe is mounted at the bottom of the washing tower and connected with the circulating pump, the other end of the circulating pump is connected with a liquid return pipe, one end of the liquid return pipe, which is far away from the circulating pump, is connected with the side wall of the top of the washing tower, and the liquid discharge pipe is connected with the bottom of the water seal tank;

a first overflow pipe is arranged on the side wall of the bottom of the washing tower, a second overflow pipe is arranged on the side wall of the water seal tank, and an anti-siphon elbow is arranged on the first overflow pipe;

and liquid discharged by the liquid discharge pipe, the first overflow pipe and the second overflow pipe is conveyed to the recovery tank.

Preferably, the medium flowing into the water washing tower through the liquid inlet pipe is water and weak liquor, and the weak liquor is alcohol with the ethanol content of 4-8%.

Preferably, the air inlet end of the air inlet pipe is provided with a first safety vent valve.

Preferably, a mechanical filter valve is arranged between the first safety vent valve and the water washing tower.

Preferably, a first liquid level meter is arranged on the outer side wall of the washing tower.

Preferably, a second liquid level meter is arranged on the outer side wall of the water-sealed tank.

Preferably, the liquid return pipe is provided with a liquid return pipe branch pipe communicated with the water seal tank.

Preferably, a ball valve is arranged on the liquid return pipe branch pipe.

Has the advantages that: carry out the superpressure protection through the water seal pipe to the system, through the granule filtration in the mechanical filter valve's the realization gas that sets up, improve the filter effect, make liquid can not too high in scrubbing tower or water seal tank through setting up first overflow pipe, second overflow pipe, siphon phenomenon can not appear through setting up the system that prevents the siphon elbow and make. This device is not only the studio very stable, and the filter effect of this device is better than traditional carbon dioxide industry filter effect.

Drawings

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

Description of the drawings: the device comprises an air inlet pipe 1, a washing tower 2, an air outlet pipe 3, a water seal tank 4, a liquid return pipe 5, a liquid inlet pipe 6, a liquid outlet pipe 7, an anti-siphon elbow 8, a first overflow pipe 9, a second overflow pipe 10, a liquid discharge pipe 11, a recovery tank 12, a first liquid level meter 13, a second liquid level meter 14, a first safe emptying valve 15, a second safe emptying valve 16, a ball valve 17 and a circulating pump 18.

Detailed Description

In order to make the technical solutions of the present invention better understood, 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.

It is noted that the terms first, second, third, etc. are used herein to describe various components or features, but these components or features are not limited by these terms. These terms are only used to distinguish one element or part from another element or part. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. For convenience of description, spatially relative terms such as "inner", "outer", "upper", "lower", "left", "right", "upper", "left", "right", and the like are used herein to describe the orientation relation of the components or parts in the present embodiment, but these spatially relative terms do not limit the orientation of the technical features in practical use.

As shown in fig. 1, a carbon dioxide impurity removing system comprises an air inlet pipe 1, a water washing tower 2, an air outlet pipe 3, a water seal tank 4, a liquid return pipe 5, a liquid inlet pipe 6, a liquid outlet pipe 7, an anti-siphon elbow 8, a first overflow pipe 9, a second overflow pipe 10, a liquid discharge pipe 11 and a recovery tank 12; the gas inlet pipe 1 is connected with a gas inlet on the side wall of the washing tower 2, the gas outlet pipe 3 is connected with a gas outlet on the top of the washing tower 2, the gas outlet pipe main pipe leads out gas, and the gas outlet pipe branch pipe is conveyed into the water-sealed tank 4 through the top of the water-sealed tank 4; the medium in the liquid inlet pipe 6 enters the water washing tower 2 through the side wall of the water washing tower 2, the liquid outlet pipe 7 flows out from the bottom of the water washing tower 2 and is connected with the circulating pump 18, the other end of the circulating pump 18 is connected with the liquid return pipe 5, one end of the liquid return pipe 5, which is far away from the circulating pump 18, is connected with the side wall of the top of the water washing tower 2, and the liquid discharge pipe 11 is connected with the bottom of the water seal tank 4; a first overflow pipe 9 is arranged on the side wall of the bottom of the washing tower 2, a second overflow pipe 10 is arranged on the side wall of the water seal tank 4, and an anti-siphon elbow 8 is arranged on the first overflow pipe 9; the liquid discharged from the liquid discharge pipe 11, the first overflow pipe 9, and the second overflow pipe 10 is transferred to the recovery tank 12.

The medium flowing into the water washing tower 2 from the liquid inlet pipe 6 is light wine and water, and the light wine is alcohol with the ethanol content of 4-8%. Wherein the ratio of water to weak liquor is about water: 95% of wine: 5 percent.

And a first safety vent valve 15 is arranged at the air inlet end of the air inlet pipe 1. A mechanical filter valve is arranged between the first safety vent valve 15 and the water washing tower 2. And a first liquid level meter 13 is arranged on the outer side wall of the water washing tower 2. And a second liquid level meter 14 is arranged on the outer side wall of the water-sealed tank 4. And a liquid return pipe branch pipe communicated with the water seal tank 4 is arranged on the liquid return pipe 5. And a ball valve 17 is arranged on the liquid return pipe branch pipe.

The working principle of the system is that firstly, the gas trend of the device is as follows: the gas carbon dioxide enters the system from the gas inlet pipe 1, firstly passes through the first safety vent valve 15, the first safety vent valve 15 is used for venting gas in emergency, the gas is normally closed, therefore, the gas is not changed after passing through the first safety vent valve 15 or is conveyed to the mechanical filter valve along a pipeline, the mechanical filter valve is normally open when the system works, the mechanical filter valve is used for filtering mechanical impurities in the gas, such as sand grains, scrap iron and the like, when the gas passes through the connecting and disconnecting filter valve and is conveyed to the washing tower 2, the washing tower 2 washes the gas, namely, impurities in the gas carbon dioxide are filtered, some gases which are easy to dissolve in water, such as methanol and the like, are filtered, the filtered carbon dioxide gas is conveyed to the next link for processing, but for the system stability, a gas outlet pipe branch pipe is separated from a main pipe of the gas outlet pipe, the gas outlet pipe branch pipe is connected with the water seal tank 4, the water sealed tank 4 is arranged for overpressure protection of the system, when the outflow gas is too much, the gas can flow into the water sealed tank 4, the water in the water sealed tank 4 overflows, or a switch at the bottom of the water sealed tank 4 is opened, so that the water in the water sealed tank 4 flows out from the bottom.

The liquid trend of this device is: the liquid of the device is mainly water, firstly flows into a washing tower 2 through a liquid inlet pipe 6, the liquid inlet pipe 6 is arranged at the bottom of the side wall of the washing tower 2, gas impurities which are easy to be contained in water in carbon dioxide are filtered in the washing tower 2, then the liquid flows out of the washing tower 2 through a liquid outlet pipe 7 which is also arranged at the bottom of the washing tower 2, because the liquid in the washing tower 2 is too high, a first liquid level meter 13 is arranged on the outer surface of the side wall of the tank body, the liquid level height of the liquid in the washing tower 2 can be monitored in real time, in order to prevent the liquid from being too high, a first overflow pipe 9 communicated with the inner cavity of the washing tower 2 is arranged on the side wall of the washing tower 2, the height of the first overflow pipe 9 is arranged according to the height which an actual system does not want the liquid in the washing tower 2 to exceed, once the liquid in the washing tower 2 exceeds the height, the liquid can flow out through the first overflow pipe 9, in order to prevent the first overflow pipe 9 from siphoning phenomenon, an anti-siphon elbow 8 is arranged on the first overflow pipe 9, and the anti-siphon elbow 8 is arranged in a J shape and is inverted on the first overflow pipe 9.

Wherein, the liquid that drain pipe 7 flowed out circulates through circulating pump 18, flow into washing tower 2 again through liquid return pipe 5, flow into washing tower 2 through the top of washing tower 2 lateral wall, but be provided with liquid return pipe 5 branch on liquid return pipe 5, when the liquid in water-sealed tank 4 is not enough, open ball valve 17 on liquid return pipe 5 branch, liquid can flow into water-sealed tank 4 through water-sealed tank 4 lateral wall top, wherein, the first overflow pipe 9 of washing tower 2, install the second overflow pipe 10 at water-sealed tank 4 lateral wall and install the overflow pipe in water-sealed tank 4 bottom all arrange to collection tank 12.

In addition, the water-sealed tank 4 and the branch pipe of the gas blowing pipe are connected with a second safety vent valve 16 for maintaining the stability of the system and adjusting the air pressure in the system.

The above embodiments are not limited to the technical solutions of the embodiments themselves, and the embodiments may be combined with each other into a new embodiment. The above embodiments are only for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement without departing from the spirit and scope of the present invention should be covered within the technical solutions of the present invention.

Claims

1. A carbon dioxide impurity removal system is characterized by comprising an air inlet pipe, a washing tower, an air outlet pipe, a water seal tank, a liquid return pipe, a liquid inlet pipe, a liquid outlet pipe, an anti-siphon elbow, a first overflow pipe, a second overflow pipe, a liquid discharge pipe, a recovery tank and a circulating pump;

2. A carbon dioxide impurity removal system according to claim 1, wherein the medium flowing into the water washing tower from the liquid inlet pipe is water and weak liquor, and the weak liquor is alcohol with the ethanol content of between 4% and 8%.

3. A carbon dioxide impurity removal system according to claim 1, wherein a first safety vent valve is arranged at the gas inlet end of the gas inlet pipe.

4. A carbon dioxide impurity removal system according to claim 3, wherein a mechanical filter valve is arranged between the first safety vent valve and the water washing tower.

5. A carbon dioxide impurity removal system according to claim 1, wherein a first liquid level meter is arranged on an outer side wall of the water washing tower.

6. A carbon dioxide impurity removal system according to claim 1, wherein a second liquid level meter is arranged on an outer side wall of the water-sealed tank.

7. A carbon dioxide impurity removal system according to claim 1, wherein a liquid return pipe branch pipe communicated with the water seal tank is arranged on the liquid return pipe.

8. A carbon dioxide impurity removal system according to claim 1, wherein a ball valve is provided on the liquid return pipe branch.