CN216862507U - Tail gas treatment device for atmospheric storage tank - Google Patents
Tail gas treatment device for atmospheric storage tank Download PDFInfo
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- CN216862507U CN216862507U CN202220339105.XU CN202220339105U CN216862507U CN 216862507 U CN216862507 U CN 216862507U CN 202220339105 U CN202220339105 U CN 202220339105U CN 216862507 U CN216862507 U CN 216862507U
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Abstract
The utility model discloses a tail gas treatment device of an atmospheric storage tank, which belongs to the technical field of ammonia water and methanol, and aims at storing volatile solutions such as ammonia water and methanol by using the atmospheric storage tank generally, in order to prevent the equipment from being damaged by overpressure of the storage tank, the top of the atmospheric storage tank is provided with a pressure regulating valve (PV valve) or a breather valve generally, when the pressure in the storage tank exceeds a set pressure, the pressure regulating valve (PV valve) or the breather valve can be automatically opened, gas phase volatilized from the solution in the storage tank is discharged to a torch or a site, so that material loss is caused, and the problem of environmental pollution can also be caused; the utility model has the advantages of small investment, easy reconstruction, convenient operation and obvious effect, can avoid the loss of materials such as ammonia, methanol and the like, is beneficial to environmental protection and controls the peculiar smell on site.
Description
Technical Field
The utility model belongs to the technical field of ammonia water and methanol, and particularly relates to a tail gas treatment device for a normal-pressure storage tank.
Background
Ammonia water, volatile solutions such as methyl alcohol generally use the ordinary pressure storage tank to preserve, in order to prevent that the storage tank superpressure from damaging equipment, its top generally is equipped with pressure regulating valve (PV valve) or breather valve, pressure regulating valve (PV valve) or breather valve can open automatically when storage tank internal pressure surpasss the settlement pressure, the gaseous phase that volatilizees solution in the storage tank is discharged to torch or scene, has caused the material loss, and also can produce environmental pollution, for this reason, we have proposed a ordinary pressure storage tank tail gas abatement device.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a tail gas treatment device for an atmospheric storage tank, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a device is administered to ordinary pressure storage tank tail gas, which comprises a tank body, the top of the jar body is provided with the liquid seal jar, one side lateral wall upper portion intercommunication of liquid seal jar has the unloading pipeline, the one end that the liquid seal jar was kept away from to the unloading pipeline communicates with the top of the jar body, one side lateral wall that the liquid seal jar was kept away from the unloading pipeline is fixed with the inlet channel, one side lateral wall that the inlet channel was kept away from to the liquid seal jar is connected with drainage pipeline one, the one end that the liquid seal jar was kept away from to drainage pipeline one is connected with drainage pipeline two and drainage pipeline three.
The scheme is as follows: and one end of the drainage pipeline III, which is far away from the drainage pipeline I, is connected with the top of the tank body.
In a preferred embodiment, a gas outlet is connected to a top end side wall of the liquid-sealed tank, and the gas outlet is communicated with the inside of the liquid-sealed tank.
In a preferred embodiment, the first valve is fixed to the first drain line, the second valve is fixed to the second drain line, and the third valve is fixed to the third drain line.
In a preferred embodiment, a first control valve is fixed on the water inlet pipeline, and a second control valve is fixed on the air release pipeline.
Compared with the prior art, the tail gas treatment device for the normal-pressure storage tank, provided by the utility model, at least has the following beneficial effects:
1. the utility model has the advantages of small investment, easy reconstruction, convenient operation and obvious effect, can avoid the loss of materials such as ammonia, methanol and the like, is beneficial to environmental protection and treats the peculiar smell on site;
2. according to the utility model, by utilizing the characteristic of water-solubility of ammonia water, methanol and the like, volatile materials are easy to dissolve in water to form ammonia and methanol solutions with higher concentration, the device can be recycled, the concentration of the ammonia and methanol aqueous solutions is reduced by periodically injecting water, the unsaturated state is kept, the device has absorption capacity, volatile components are recovered, and the site odor is treated;
3. the utility model is suitable for other normal pressure storage tanks which are easy to dissolve in water media, and has wide application range.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: 1 water inlet pipeline, 2 liquid seal tanks, 3 exhaust ports, 4 emptying pipelines, 5 tank bodies, 6 liquid discharge pipelines I, 7 liquid discharge pipelines II and 8 liquid discharge pipelines III.
Detailed Description
The present invention will be further described with reference to the following examples.
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the drawings of the embodiments of the present disclosure, and it is obvious that the described embodiments are some embodiments of the present disclosure, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the described embodiments of the present disclosure belong to the protection scope of the present disclosure.
Unless otherwise defined, technical or scientific terms used herein should be understood as having a common meaning as understood by those of ordinary skill in the art to which this disclosure belongs, and the use of "including" or "comprising" and the like in this disclosure means that the element or item appearing before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items, that "connected" or "connected" and the like are not limited to physical or mechanical connections, and may include electrical connections, whether direct or indirect, "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, which may also change accordingly when the absolute position of the object being described changes.
The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model. The conditions in the embodiments can be further adjusted according to specific conditions, and simple modifications of the method of the present invention based on the concept of the present invention are within the scope of the claimed invention.
Referring to fig. 1, the present invention provides a tail gas treatment device for an atmospheric storage tank, which includes a tank body 5, and is characterized in that a liquid seal tank 2 is disposed above the tank body 5, an upper portion of a side wall of the liquid seal tank 2 is communicated with an air release pipeline 4, one end of the air release pipeline 4, which is far away from the liquid seal tank 2, is communicated with a top end of the tank body 5, a side wall of the liquid seal tank 2, which is far away from the air release pipeline 4, is fixed with a water inlet pipeline 1, a side wall of the liquid seal tank 2, which is far away from the water inlet pipeline 1, is connected with a liquid discharge pipeline one 6, and one end of the liquid discharge pipeline one 6, which is far away from the liquid seal tank 2, is connected with a liquid discharge pipeline two 7 and a liquid discharge pipeline three 8.
The scheme is as follows: the one end that drain line three 8 kept away from drain line 6 is connected with jar 5 tops, and the top lateral wall of liquid seal jar 2 is connected with gas vent 3, gas vent 3 and the inside intercommunication of liquid seal jar 2.
A first valve is fixed on the first liquid discharge pipeline 6, a second valve is fixed on the second liquid discharge pipeline 7, a third valve is fixed on the third liquid discharge pipeline, a first control valve is fixed on the water inlet pipeline 1, and a second control valve is fixed on the emptying pipeline 4.
Taking an ammonia water storage tank as an example, a first control valve on a water inlet pipeline 1 and a second valve on a liquid discharge pipeline II 7 are opened, after desalted water in a liquid seal tank 2 can flow out through the liquid discharge pipeline II 7, the first control valve and the second valve are closed, a second control valve on an emptying pipeline 4 is opened, and overpressure gas ammonia and CO in the tank are generated2、N2When the ammonia enters the liquid seal tank 2, the gas ammonia is absorbed by water, and CO is obtained2、N2When the water is discharged through the exhaust port 3, the first water inlet pipe 1 is opened at fixed intervalsAnd the first control valve on the water inlet pipeline 1 and the third valve on the liquid discharge pipeline three 8 are closed after replacement, and the overpressure gas ammonia in the tank body 5 is continuously recovered.
Taking a methanol storage tank as an example, a first control valve on the water inlet pipeline 1 and a second valve on the liquid discharge pipeline II 7 are opened, after desalted water in the liquid seal tank 2 can flow out through the liquid discharge pipeline II 7, the first control valve and the second valve are closed, a second control valve on the emptying pipeline 4 is opened, and overpressure gaseous methanol and CO in the tank are2、N2When the methanol enters the liquid seal tank 2, the gaseous methanol is absorbed by water, and CO is obtained2、N2And (3) discharging through the exhaust port 3, opening the first control valve on the water inlet pipeline 1 and the third valve on the liquid discharge pipeline three 8 at fixed intervals, closing the first control valve on the water inlet pipeline 1, the third valve on the liquid discharge pipeline three 8 and the second valve on the liquid discharge pipeline two 7 after replacement, and continuously recovering the overpressure gaseous methanol in the tank body 5.
The working principle is as follows: when in use, the first control valve on the water inlet pipeline 1 and the second valve on the liquid discharge pipeline two 7 are firstly opened, desalted water in the liquid seal tank 2 can flow out through the liquid discharge pipeline two 7, the first control valve and the second valve are closed, the second control valve on the emptying pipeline 4 is opened, overpressure water-soluble gas in the tank body 5 enters the liquid seal tank 2 through the emptying pipeline 4 to be absorbed, water-insoluble gas is discharged through the exhaust port 3, when the concentration in the liquid seal tank 2 is higher or according to a fixed interval period, the first control valve on the water inlet pipeline 1 and the third valve on the liquid discharge pipeline three 8 are opened, when the solution in the liquid seal tank 2 can not be directly recycled in the tank body 5, the third valve on the liquid discharge pipeline three 8 is closed, the second valve on the liquid discharge pipeline two 7 is opened, the solution in the liquid seal tank 2 is replaced, the first control valve on the water inlet pipeline 1, the third valve on the liquid discharge pipeline three 8 and the second valve on the liquid discharge pipeline two 7 are closed after replacement, the recovery of the overpressure gaseous substance of the tank 5 is continued.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a device is administered to atmospheric storage tank tail gas, includes a jar body (5), its characterized in that, the top of jar body (5) is provided with liquid seal tank (2), one side lateral wall upper portion intercommunication of liquid seal tank (2) has unloading pipeline (4), the one end that liquid seal tank (2) were kept away from in unloading pipeline (4) communicates with the top of the jar body (5), one side lateral wall that unloading pipeline (4) were kept away from in liquid seal tank (2) is fixed with water intake pipe (1), one side lateral wall that water intake pipe (1) were kept away from in liquid seal tank (2) is connected with drain line one (6), the one end that liquid seal tank (2) were kept away from in drain line one (6) is connected with drain line two (7) and drain line three (8).
2. The atmospheric storage tank tail gas treatment device according to claim 1, characterized in that: and one end of the drainage pipeline III (8) far away from the drainage pipeline I (6) is connected with the top of the tank body (5).
3. The atmospheric storage tank tail gas treatment device according to claim 2, characterized in that: the top end side wall of the liquid seal tank (2) is connected with an exhaust port (3), and the exhaust port (3) is communicated with the inside of the liquid seal tank (2).
4. The atmospheric storage tank tail gas treatment device according to claim 3, characterized in that: a first valve is fixed on the first liquid discharge pipeline (6), a second valve is fixed on the second liquid discharge pipeline (7), and a third valve is fixed on the third liquid discharge pipeline.
5. The atmospheric storage tank tail gas treatment device according to claim 4, characterized in that: a first control valve is fixed on the water inlet pipeline (1), and a second control valve is fixed on the emptying pipeline (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220339105.XU CN216862507U (en) | 2022-02-21 | 2022-02-21 | Tail gas treatment device for atmospheric storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220339105.XU CN216862507U (en) | 2022-02-21 | 2022-02-21 | Tail gas treatment device for atmospheric storage tank |
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| Publication Number | Publication Date |
|---|---|
| CN216862507U true CN216862507U (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220339105.XU Active CN216862507U (en) | 2022-02-21 | 2022-02-21 | Tail gas treatment device for atmospheric storage tank |
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| Country | Link |
|---|---|
| CN (1) | CN216862507U (en) |
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2022
- 2022-02-21 CN CN202220339105.XU patent/CN216862507U/en active Active
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