CN214261293U

CN214261293U - Gas purification device

Info

Publication number: CN214261293U
Application number: CN202023140998.5U
Authority: CN
Inventors: 卜振民; 付小磊; 郭晓璐; 陈可; 赵顺海; 党军强; 许永县
Original assignee: Karamay Jiede Technology Co ltd
Current assignee: Karamay Jiede Technology Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-09-24
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a gas purification device, which comprises a coalescer, a gas filter and a gas filter, wherein the coalescer is used for filtering and processing feed gas; the absorption tower is used for purifying gas, and an inlet of the absorption tower is communicated with an outlet of the coalescer; the air cooler is used for cooling the gas, the inlet of the air cooler is communicated with the outlet of the absorption tower, and the outlet of the air cooler is communicated with the inlet of the coalescer (10); the connecting pipe is used for communicating the coalescer, the absorption tower and the air cooler; a fan is arranged between the air cooler and the coalescer and used for boosting pressure and improving the gas treatment effect. The integral device effectively solves the synchronous purification of condensate oil, vapor and toxic and harmful gases in the purification process of natural gas and associated gas, and effectively avoids the pollution of the condensate oil and water to treatment agents because of the aeration, pressurization and coalescence units, thereby greatly improving the utilization rate of the agents and effectively prolonging the agent replacement period.

Description

Gas purification device

Technical Field

The utility model relates to an oil field production technical field, in particular to gas purification device.

Background

Natural gas and oil well associated gas usually contain condensate, hydrogen sulfide and other toxic and harmful components, are influenced by process temperature and pressure changes, and usually contain free water, and the free water and the toxic and harmful components need to be removed in the production process. At present, a separator and a condenser are usually arranged to separate free water and condensate oil, toxic and harmful components are usually and separately treated, and in the actual operation process, the treatment agent is usually polluted to a certain extent due to overhigh water content in raw material gas or the components such as condensate oil contained in the raw material gas.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a gas purification device, effectively solve natural gas, associated gas purification in-process condensate oil, vapor and poisonous and harmful gas's synchronous purification, because gas mixing, pressure boost and coalescence unit have effectively avoided condensate oil and water to the pollution of handling the medicament simultaneously, have improved the utilization ratio of medicament greatly, have effectively prolonged the medicament and have changed the cycle.

According to a first aspect of the present invention, there is provided a gas purification apparatus, comprising a coalescer for filtering and processing a raw gas and a tail gas; the absorption tower is used for purifying gas, and an inlet of the absorption tower is communicated with an outlet of the coalescer; the air cooler is used for cooling the gas, and an inlet of the air cooler is communicated with an outlet of the absorption tower; and the connecting pipe is used for communicating the coalescer, the absorption tower and the air cooler.

The utility model discloses a gas purification device has following beneficial effect at least: after the raw material gas enters a coalescer and is treated by the coalescer, the gas is led to an absorption tower from the coalescer, and the coalescer filters the raw material gas to remove solid and liquid impurities and the like in the raw material gas; after the absorption tower purifies the gas, one part of the gas is sent out of the outside, the other part of the gas enters the air cooler, and the absorption tower purifies the gas, removes harmful gas and meets the requirement of environmental protection; the gas entering the air cooler is cooled by the air cooler and then flows to the coalescer, the raw gas entering the coalescer is cooled, the filtering effect of the raw gas in the coalescer is facilitated, and the treatment effect of the raw gas is improved.

According to the utility model discloses a gaseous purifier of first aspect is provided with the check valve between absorption tower and the air cooler, and the export of check valve is towards air cooler one side. The check valve prevents gas from flowing back.

According to the utility model discloses a gaseous purifier of first aspect, the connecting pipe of absorption tower exit one end is provided with two exports, an export and external environment intercommunication, another export and single current valve intercommunication. And the connecting pipe at one end of the outlet of the absorption tower is provided with two outlets, one outlet is communicated with the external environment, the other outlet is communicated with the check valve, one part of treated gas is discharged out of the external environment, and the other part of gas enters the air cooler through the check valve.

According to the utility model discloses a gas purification device of first aspect is provided with the fan between coalescer and the air cooler, fan one end and the export intercommunication of air cooler, the other end and the entry intercommunication of coalescer. Structurally, the blower is set between the coalescer and the air cooler to raise the conveying amount and speed of the air cooler to the dry cold air of the coalescer, raise the air pressure of the connecting pipe and benefit the gas treating effect.

According to the utility model discloses a gas purification device of first aspect, the air supply direction of fan is towards coalescer one side. The fan is used for accelerating and guiding the cold air cooled and dried by the air cooler to the coalescer.

According to the utility model discloses a gaseous purifier of first aspect, the exit of absorption tower is provided with detection device. The detection device is used for detecting whether the gas discharged by the absorption tower reaches the emission standard.

According to the utility model discloses a gas purification device of first aspect, the connecting pipe one end and the external environment intercommunication of the entrance of coalescer, one end is connected with the fan. One end of the connecting pipe is used for inputting raw material gas, and the other end of the connecting pipe is used for inputting dry cold air.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a schematic structural diagram of a gas purification device according to an embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, an embodiment of the present invention provides a gas purification apparatus, including a coalescer 10, an absorption tower 20 and an air cooler 30, which are communicated with each other through a connection pipe between the coalescer 10, the absorption tower 20 and the air cooler 30. As shown in fig. 1, a raw material gas is input into a coalescer 10 from an inlet of a connecting pipe, the gas enters the coalescer 10 from the bottom of the coalescer 10, the coalescer 10 filters the raw material gas, the coalescer 10 can filter solid impurities and liquid impurities in the raw material gas, the cleanliness of the raw material gas is improved, after the raw material gas is filtered by the coalescer 10, the filtered free water and condensate oil are settled to the bottom of the coalescer 10, and the coalescer 10 is periodically discharged with sediments in the coalescer 10 at intervals, the embodiment of the invention does not specifically limit the type of the coalescer 10 and the substances used for filtering by the coalescer 10, and can be selected according to actual conditions; the raw material gas is discharged from the upper part of the coalescer 10 after being filtered by the coalescer 10, the raw material gas is input into the absorption tower 20 through a connecting pipe, the gas is input into the absorption tower 10 from the lower part of the absorption tower 10, a treating agent for absorbing harmful gas in the gas is arranged in the absorption tower 20, the treating agent in the absorption tower 20 is provided with a plurality of layers, the gas enters from the lower part of the absorption tower 20, the gas is discharged from an upper exhaust port of the absorption tower 20 after being purified by the plurality of layers of treating agents, the gases are purified by the plurality of layers of treating agents in the absorption tower 20, the gases can be improved in gas and purification degree, and the harmful gas and harmful substances can be effectively removed; in addition, the exit of absorption tower 20 is provided with detection device (not shown), and when gas was discharged from the exit of absorption tower 20, detection device (not shown) can detect the combustion gas, if when the harmful gas that the combustion gas contained exceeded the setting value, detection device can send and remind the treating agent of changing in the absorption tower 20 to guarantee that the combustion gas accords with the environmental protection requirement or the technological requirement of subsequent handling, the embodiment of the utility model does not restrict detection device's model, can select according to actual demand. After the gas is discharged from the absorption tower 20, a part of the gas is discharged to an outlet at one end of the connection pipe, and is directly discharged to the external environment or is conveyed to the next processing procedure, a part of the gas is conveyed to another outlet of the connection pipe and is conveyed to the air cooler 40, a check valve 50 is arranged in front of an inlet of the air cooler 40, an outlet of the check valve 50 faces the air cooler 40, the check valve 50 can prevent the gas from flowing back at a bifurcation of the connection pipe to cause turbulence, after the gas enters the air cooler 40, the air cooler 40 cools and dries the gas, and dry cold air output from the air cooler 40 is conveyed to the coalescer 10, wherein a fan 40 is arranged on the connection pipe between the air cooler 40 and the coalescer 10, the fan 40 accelerates the dry cold air output from the air cooler 40 to be conveyed to the coalescer 10, and simultaneously, the fan 40 can also increase the air pressure in the connection pipe, and mix the dry cold air with the raw material gas in the connection pipe, the dew point of condensate oil and vapor in the feed gas can be improved to dry cold wind, more is favorable to the filtration of feed gas, can improve the filter effect and the efficiency of feed gas, the embodiment of the utility model discloses the model of air cooler 40 is not specifically injectd, can select according to actual need, in addition, the embodiment of the utility model discloses do not injectd fan 40's model yet, the utility model discloses the preferred roots fan of type embodiment, roots fan are applicable to the gas transport and the pressurization system of low pressure occasion, and area is little, are convenient for arrange and install, and the operation is reliable, and it is convenient to maintain, and is durable. It should be noted that, in order to ensure the air tightness of the joints between each component and the connecting pipe, the joints between each component and the connecting pipe are provided with a connecting piece (not shown) for enhancing the air tightness, and the connecting piece (not shown) can prevent the gas from leaking in the conveying process and polluting the environment.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A gas purification apparatus, comprising:

the coalescer (10) is used for filtering and processing the raw material gas and the tail gas;

an absorption tower (20) for purifying the gas, an inlet of the absorption tower (20) communicating with an outlet of the coalescer (10);

the air cooler (30) is used for cooling the gas, the inlet of the air cooler (30) is communicated with the outlet of the absorption tower (20), and the outlet of the air cooler (30) is communicated with the inlet of the coalescer (10);

a connection pipe for communicating the coalescer (10), the absorption tower (20), and the air cooler (30).

2. A gas cleaning device according to claim 1, characterized in that: a check valve (50) is arranged between the absorption tower (20) and the air cooler (30), and an outlet of the check valve (50) faces one side of the air cooler (30).

3. A gas cleaning device according to claim 2, characterized in that: the connecting pipe at the outlet of the absorption tower (20) is provided with two outlets, one outlet is communicated with the external environment, and the other outlet is communicated with the check valve (50).

4. A gas cleaning device according to claim 1, characterized in that: a fan (40) is arranged between the coalescer (10) and the air cooler (30), one end of the fan (40) is communicated with an outlet of the air cooler (30), and the other end of the fan is communicated with an inlet of the coalescer (10).

5. A gas cleaning device according to claim 4, characterized in that: the air supply direction of the fan (40) faces to one side of the coalescer (10).

6. A gas cleaning device according to claim 4, characterized in that: one end of the connecting pipe at the inlet of the coalescer (10) is communicated with the external environment, and the other end of the connecting pipe is connected with the fan (40).

7. A gas cleaning device according to claim 1, characterized in that: and a detection device is arranged at the outlet of the absorption tower (20).