CN217725882U - Gas-liquid cyclone separator - Google Patents

Gas-liquid cyclone separator Download PDF

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Publication number
CN217725882U
CN217725882U CN202220923655.6U CN202220923655U CN217725882U CN 217725882 U CN217725882 U CN 217725882U CN 202220923655 U CN202220923655 U CN 202220923655U CN 217725882 U CN217725882 U CN 217725882U
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China
Prior art keywords
gas
outer cylinder
inlet pipe
gas inlet
liquid cyclone
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CN202220923655.6U
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Chinese (zh)
Inventor
朱学田
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China Petroleum and Chemical Corp
Sinopec Nanjing Chemical Industry Corp
Research Institute of Sinopec Nanjing Chemical Industry Co Ltd
Original Assignee
China Petroleum and Chemical Corp
Sinopec Nanjing Chemical Industry Corp
Research Institute of Sinopec Nanjing Chemical Industry Co Ltd
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Priority to CN202220923655.6U priority Critical patent/CN217725882U/en
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Abstract

The utility model belongs to the technical field of gas-liquid separation, a gas-liquid cyclone is related to, its characterized in that: the device comprises an outer cylinder and an inner cylinder which are concentrically arranged, wherein a partition plate is arranged between the outer cylinder and the inner cylinder, and the upper end of the inner cylinder is provided with a wire mesh demister through a supporting plate; a gas inlet pipe is arranged on the side surface of the outer cylinder, a medium ejection port which is formed corresponding to the inner wall of the outer cylinder and has a lateral opening is arranged at the downstream end in the gas inlet pipe, and the medium ejection port consists of a notch close to the inner side of the outer cylinder and an ejection guide plate; the inner cylinder is provided with a spiral guide vane, and the rotational flow direction of the spiral guide vane is the same as the rotational flow direction sprayed out of the medium spray outlet. The utility model discloses separation efficiency rate > 95%, convenient operation.

Description

Gas-liquid cyclone separator
Technical Field
The utility model belongs to the technical field of gas-liquid separation. The method adopts a rotational flow guide plate, an outer cylinder, an inner cylinder and a spiral guide vane, and separates liquid out of the system by utilizing centrifugal force.
Background
The cyclone separation technology is based on different gravity among monomer objects in a mixed material, and separation is realized under the action of cyclone centrifugal force, such as a hydrocyclone separator which is the most common technology. As the process gas, the influence of the reduction of the liquid content in the gas on industrial production is reduced as far as possible for the safety of subsequent working sections and the production stability, therefore, the device capable of efficiently separating the liquid-phase substances in the gas can meet the recycling of the valuable liquid-phase substances. At present, the cyclone gas-liquid separation device in the prior art has the following problems: the single central channel makes the gas distribute unevenly in the device, which is easy to produce vortex and can not achieve good gas-liquid separation effect.
Disclosure of Invention
The technical purpose of the utility model is that: aiming at the particularity of the gas-liquid cyclone separation and the technical defects of the existing gas-liquid cyclone separator, the gas-liquid cyclone separator which not only has good gas-liquid cyclone separation technical effect, but also can be designed and molded with lower technical difficulty and lower cost is provided.
The utility model discloses a main technical scheme: a gas-liquid cyclone separator, characterized in that: the device comprises an outer cylinder and an inner cylinder which are concentrically arranged, wherein a partition plate is arranged between the outer cylinder and the inner cylinder, and the upper end of the inner cylinder is provided with a wire mesh demister through a supporting plate; a gas inlet pipe is arranged on the side surface of the outer cylinder, a medium ejection port which is formed corresponding to the inner wall of the outer cylinder and has a lateral opening is arranged at the downstream end in the gas inlet pipe, and the medium ejection port consists of a notch close to the inner side of the outer cylinder and an ejection guide plate; the inner cylinder is provided with a spiral guide vane, and the rotational flow direction of the spiral guide vane is the same as the rotational flow direction sprayed out of the medium spray outlet.
Generally, the axial included angle theta between the ejection guide plate and the gas inlet pipe is 100-120 degrees.
The root of the ejection guide plate and the pipe wall of the gas inlet pipe are in smooth transition in an arc structure.
The extension length of the ejection guide plate at the downstream end of the gas inlet pipe is 1/2-1 time of the diameter of the gas inlet pipe.
The flow area of the medium spray port is larger than or equal to that of the gas inlet pipe.
The number of the spiral guide vanes is not less than four, and the lower part of the space between the outer cylinder and the inner cylinder of the device is divided into spiral downward channels.
The spiral guide vane is arranged below the gas inlet pipe and is spirally, smoothly and downwards inclined.
The top of the outer cylinder body is provided with a gas outlet, the lower part of the outer cylinder body is provided with a liquid outlet and an automatic control valve, and the side surface of the outer cylinder body is provided with a liquid level meter.
The mesh number of the wire mesh demister is 80-150.
The utility model discloses a gaseous cyclone, the air current that needs to separate liquid gets into spiral guide vane through the air current deflector, it is gaseous downward along spiral guide vane, be spiral motion to interior barrel bottom back around interior barrel under spiral guide vane's water conservancy diversion effect, the gas that contains liquid phase material at this in-process throws liquid phase material to outer barrel inner wall under the effect of centrifugal force on, make liquid phase material and outer barrel inner wall contact, adhere to, condense into the bottom of liquid flow to cyclone, gaseous barrel in the bottom entering of separator, gaseous from down and go up the liquid that the silk screen defroster further detached gas.
The utility model has the advantages that:
(1) The separation efficiency is more than 95 percent;
(2) The operation is convenient.
The gas-liquid cyclone separator of the utility model can be used for processing the liquid separation working condition of gases such as natural gas, chemical synthesis gas and coal gas.
Drawings
Fig. 1 is a schematic structural diagram of a gas-liquid cyclone separator according to an embodiment of the present invention.
FIG. 2 is a schematic cross-sectional view of a gas-liquid cyclone separator according to the embodiment.
In the figure, 1-gas inlet pipe; 2-outer cylinder; 3-ejecting guide plate; 4-a gas outlet; 5-a liquid outlet; 6-inner cylinder; 7-a support plate; 8-a wire mesh demister; 9-a separator; 10-a spiral guide vane; 11-a self-control valve; 12-a media ejection port; 13-liquid level meter.
Detailed Description
The invention will be further elucidated with reference to the following figures and examples.
Example 1
A gas-liquid cyclone separator is shown in attached figures 1 and 2 and mainly comprises an outer cylinder 2 and an inner cylinder 6 which are concentrically arranged, a partition plate 9 is arranged between the outer cylinder 2 and the inner cylinder 6, and the upper end of the inner cylinder 6 is provided with a wire mesh demister 8 through a support plate 7; a gas inlet pipe 1 is arranged on the side surface of the outer cylinder 2, a medium spray port 12 which is formed corresponding to the inner wall of the outer cylinder and has a lateral opening is arranged at the inner downstream end of the gas inlet pipe 1, and the medium spray port 12 is composed of a notch close to the inner side of the outer cylinder and a spray guide plate 3; the inner cylinder 6 is provided with a spiral guide vane 10, and the rotational flow direction of the spiral guide vane 10 is the same as the rotational flow direction sprayed out from the medium spray outlet 12.
In the embodiment, the inner cylinder body 6 is arranged in the outer cylinder body 2 and is positioned at the middle upper part, and the partition plate 9 divides the inner part of the outer cylinder body into an upper part and a lower part; the inner cylinder 6 is welded at the central part of the clapboard 9, and the length of the inner cylinder 6 is 1/3-1/2 of the length of the outer cylinder 2; the spiral guide vanes 10 are arranged on the outer wall of the inner cylinder 6, are spirally, smoothly and downwards inclined at the lower part of the gas inlet pipe 1, and divide the lower part space between the outer cylinder and the inner cylinder of the device into four spiral downward channels; the top of the inner cylinder 6 is provided with a wire mesh demister with the mesh number of 80 through a support plate 7.
In the embodiment, the axial included angle theta between the ejection guide plate 3 and the gas inlet pipe 1 is 110 degrees; the root of the ejection guide plate 3 and the pipe wall of the gas inlet pipe 1 are in smooth transition in an arc structure, and the extension length of the ejection guide plate 3 at the downstream end of the gas inlet pipe is 1 time of the diameter of the gas inlet pipe; the flow area of the medium spray port 12 is larger than or equal to the flow area of the gas inlet pipe 1.
In the embodiment, the liquid level meter 13 is arranged on the outer wall of the outer barrel 2, the liquid level meter 13 has a remote transmission function, when liquid phase substances are accumulated to a high liquid level, the liquid level meter 13 transmits signals to the automatic control valve 11, the automatic control valve 11 is opened and the liquid phase substances are discharged through the liquid outlet 5, when the liquid phase substances are discharged to a low liquid level, the liquid level meter 13 transmits signals to the automatic control valve 11, the automatic control valve 11 is closed, and liquid discharge is stopped; the process gas entering the cyclone gas-liquid separator flows to the lower part of the inner cylinder 6 through the spiral guide vanes 10 and then moves upwards along the inner part of the inner cylinder 6, the mist drops in the gas are removed for the second time through the wire mesh demister 8, the process gas enters the upper part space of the outer cylinder, and finally the process gas is discharged through the gas outlet 4 or enters the next-stage treatment equipment.
Example 2
The rest of the present embodiment is the same as embodiment 1, except that: the spiral guide vanes are arranged on the outer wall of the inner cylinder 6, and the number of the spiral guide vanes is six.
Example 3
The rest of the present embodiment is the same as embodiment 1, except that: the spiral guide vanes are installed on the outer wall of the inner cylinder body 6, and the number of the spiral guide vanes is eight.
Example 4
The rest of the present embodiment is the same as embodiment 1, except that: and a wire mesh demister with the mesh number of 100 is arranged at the top of the inner cylinder body 6.
Example 5
The rest of the present embodiment is the same as embodiment 1, except that: and a wire mesh demister is arranged at the top of the inner cylinder body 6, and the mesh number is 120.
Example 6
The rest of the present example is the same as example 1, except that: and a wire mesh demister with the mesh number of 120 is arranged at the top of the inner cylinder body 6.
Example 7
The rest of the present embodiment is the same as embodiment 1, except that: and a wire mesh demister with the mesh number of 150 is arranged at the top of the inner cylinder body 6.
The spiral guide vane 10 of the device can adjust the angle and the number of the spiral guide vane according to different medium types and the content of liquid phase substances so as to achieve the aim of removing the corresponding liquid phase substances.
The mesh number of the silk screen demister can be adjusted according to actual conditions according to different sizes of liquid drops in the treated gas.
The above examples are provided only for illustrating the present invention and are not intended to limit the same. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that: modifications may be made to the above-described embodiments or equivalents may be substituted for some of the features thereof; and such modifications or substitutions do not depart from the spirit and scope of the present invention in its essence.

Claims (9)

1. A gas-liquid cyclone separator, characterized in that: the device comprises an outer cylinder and an inner cylinder which are concentrically arranged, wherein a partition plate is arranged between the outer cylinder and the inner cylinder, and the upper end of the inner cylinder is provided with a wire mesh demister through a support plate; a gas inlet pipe is arranged on the side surface of the outer cylinder, a medium ejection port which is formed corresponding to the inner wall of the outer cylinder and has a lateral opening is arranged at the downstream end in the gas inlet pipe, and the medium ejection port consists of a notch close to the inner side of the outer cylinder and an ejection guide plate; the inner cylinder is provided with a spiral guide vane, and the rotational flow direction of the spiral guide vane is the same as the rotational flow direction sprayed out of the medium spray outlet.
2. The gas-liquid cyclone as recited in claim 1, wherein: the axial included angle theta between the ejection guide plate and the gas inlet pipe is 100-120 degrees.
3. The gas-liquid cyclone as recited in claim 1 or 2, wherein: the root of the ejection guide plate and the pipe wall of the gas inlet pipe are in smooth transition in an arc structure.
4. The gas-liquid cyclone separator according to claim 1 or 2, wherein: the extension length of the ejection guide plate at the downstream end of the gas inlet pipe is 1/2-1 time of the diameter of the gas inlet pipe.
5. The gas-liquid cyclone separator according to claim 1, wherein: the flow area of the medium spray port is larger than or equal to that of the gas inlet pipe.
6. The gas-liquid cyclone separator according to claim 1, wherein: the number of the spiral guide vanes is not less than four, and the lower part of the space between the outer cylinder and the inner cylinder of the device is divided into spiral downward channels.
7. The gas-liquid cyclone separator according to claim 1 or 6, wherein: the spiral guide vane is arranged below the gas inlet pipe and is spirally, smoothly and downwards inclined.
8. The gas-liquid cyclone separator according to claim 1, wherein: the top of the outer cylinder body is provided with a gas outlet, the lower part of the outer cylinder body is provided with a liquid outlet and an automatic control valve, and the side surface of the outer cylinder body is provided with a liquid level meter.
9. The gas-liquid cyclone separator according to claim 1, wherein: the mesh number of the wire mesh demister is 80-150.
CN202220923655.6U 2022-04-21 2022-04-21 Gas-liquid cyclone separator Active CN217725882U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220923655.6U CN217725882U (en) 2022-04-21 2022-04-21 Gas-liquid cyclone separator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220923655.6U CN217725882U (en) 2022-04-21 2022-04-21 Gas-liquid cyclone separator

Publications (1)

Publication Number Publication Date
CN217725882U true CN217725882U (en) 2022-11-04

Family

ID=83816940

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220923655.6U Active CN217725882U (en) 2022-04-21 2022-04-21 Gas-liquid cyclone separator

Country Status (1)

Country Link
CN (1) CN217725882U (en)

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CP03 Change of name, title or address

Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen

Patentee after: CHINA PETROLEUM & CHEMICAL Corp.

Patentee after: SINOPEC NANJING CHEMICAL RESEARCH INSTITUTE Co.,Ltd.

Patentee after: SINOPEC NANJING CHEMICAL IND Co.,Ltd.

Address before: No. 699, Geguan Road, Dachang Street, Jiangbei New District, Nanjing, Jiangsu 210048

Patentee before: SINOPEC NANJING CHEMICAL RESEARCH INSTITUTE Co.,Ltd.

Patentee before: CHINA PETROLEUM & CHEMICAL Corp.

Patentee before: SINOPEC NANJING CHEMICAL IND Co.,Ltd.