CN220194263U

CN220194263U - Gas-liquid separation device

Info

Publication number: CN220194263U
Application number: CN202321453913.XU
Authority: CN
Inventors: 许军; 马良; 沈其松; 孟万; 王黎望; 肖玲玉; 段孝旭; 贾虹
Original assignee: Shanghai Zherong Chemical Technology Co ltd; Sichuan University; East China University of Science and Technology
Current assignee: Shanghai Zherong Chemical Technology Co ltd; Sichuan University; East China University of Science and Technology
Priority date: 2023-06-08
Filing date: 2023-06-08
Publication date: 2023-12-19
Anticipated expiration: 2033-06-08

Abstract

The utility model relates to a chemical device and discloses a gas-liquid separation device. The gas-liquid separation device comprises a tank body (1), a discharge port (13) arranged at the lower side of the tank body (1), an exhaust port (12) arranged at the upper side of the tank body (1) and an air inlet (11) arranged on the tank body (1) and a fiber condensation module (8) arranged inside the tank body (1), wherein the air inlet (11) is arranged below the fiber condensation module (8), so that a gas-liquid mixture entering the tank body (1) from the air inlet (11) can pass through the fiber condensation module (8) for gas-liquid separation, and liquid in the gas-liquid mixture is condensed and then drops to the bottom of the tank body (1) and is discharged from the discharge port (13), and the gas is discharged from the exhaust port (12). The gas-liquid separation device can effectively improve the separation precision of liquid, and further improve the separation efficiency of the liquid.

Description

Gas-liquid separation device

Technical Field

The utility model relates to a chemical device, in particular to a gas-liquid separation device.

Background

In the industrial process, a large amount of waste gas is generated, and the waste gas is generally required to be pretreated before being discharged to the outside so as to reach the national standard of the discharge of the waste gas to the outside, and if the waste gas is not thoroughly purified, the waste gas is directly discharged into the air to cause great pollution, so that a gas-liquid separation device is required to be used in the waste gas purification process, but the current gas-liquid separation device still has some problems.

The gas-liquid separation device adopted in the common waste gas treatment system is a common wire mesh foam remover which is mainly used for removing impurities and foam in fluid, and has the defects that the common wire mesh foam remover is easy to generate blockage so as to lead to the bottom of trapping efficiency, for example, the common wire mesh foam remover is adopted when toxic sulfur-containing gas is treated in the sulfur recovery process, the separation precision is 50 mu m, the liquid removal efficiency is generally 90%, the removal efficiency is lower, polysulfide is discharged along with the gas, and the discharged gas exceeds standard and the load of the system is higher.

Therefore, there is an urgent need in the industry to develop a gas-liquid separation apparatus having high separation accuracy and high separation efficiency.

Disclosure of Invention

The utility model aims to provide a gas-liquid separation device which can improve the separation precision of liquid to a large extent, thereby improving the separation efficiency of the liquid and reducing the energy consumption in the whole process.

In order to achieve the above object, the present utility model provides a gas-liquid separation device, comprising a tank, a discharge port provided at the lower side of the tank, an exhaust port provided at the upper side of the tank, an air inlet provided on the tank, and a fiber condensing module provided inside the tank, wherein the air inlet is located below the fiber condensing module, so that a gas-liquid mixture entering the tank from the air inlet can be separated into gas and liquid through the fiber condensing module, so that the liquid in the gas-liquid mixture is condensed and then drops to the bottom of the tank and is discharged from the discharge port, and the gas is discharged from the exhaust port.

Preferably, the fiber aggregation module comprises an aggregation layer woven by nano fibers, a drainage layer positioned below the aggregation layer and a drainage layer positioned above the aggregation layer, wherein the aggregation layer is of a multi-layer porous structure.

Further preferably, the nanofibers comprise metal nanofibers and/or teflon nanofibers.

Preferably, the pore diameter of the aggregation layer in the fiber aggregation module is gradually increased from bottom to top.

More preferably, the liquid draining layer and the air exhausting layer are both plate structures provided with a plurality of holes.

Preferably, the tank body is provided with a mounting mechanism for mounting the fiber aggregation module, the mounting mechanism comprises a supporting block connected with the inner wall of the tank body, a fixing ring supported on the supporting block, a ring plate connected with the fixing ring, a cylinder supported on the ring plate, a supporting piece connected with the inner wall of the cylinder and a supporting ring supported on the supporting piece, the fiber aggregation module is supported on the supporting ring, and the fiber aggregation module, the supporting ring and the supporting piece are all positioned on the inner side of the cylinder.

Further preferably, the number of the supporting pieces is more than or equal to 4, and the supporting pieces are uniformly distributed along the circumferential direction of the inner wall of the cylinder and are positioned on the same horizontal plane.

Further preferably, the number of the supporting blocks is more than or equal to 4, and the supporting blocks are uniformly distributed along the circumferential direction of the inner wall of the cylinder and are positioned on the same horizontal plane.

Preferably, at least one manhole is provided on the tank.

More preferably, the tank body is provided with a first manhole and a second manhole, the first manhole is located at the same height of the air inlet, and the second manhole is located above the first manhole.

According to the technical scheme, the gas-liquid separation device is provided with the fiber aggregation module for separating the gas-liquid mixture, liquid in the gas-liquid mixture is aggregated and then drops from the liquid draining layer in the fiber aggregation module, and gas in the gas-liquid mixture is discharged from the gas exhausting layer of the fiber aggregation module, so that smaller liquid in the gas-liquid mixture is separated more, the separation precision of the liquid is improved, and the separation efficiency of the whole process is improved.

Other advantages and technical effects of the preferred embodiments of the present utility model will be further described in the following detailed description.

Drawings

FIG. 1 is a schematic view of a gas-liquid separation device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a partial longitudinal section of a gas-liquid separation device according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a fiber aggregation module and mounting mechanism according to one embodiment of the present utility model;

fig. 4 is a top view of a fiber aggregation module and mounting mechanism according to one embodiment of the present utility model.

Description of the reference numerals

1 tank 2 fixing ring

3 supporting block 4 ring plate

5 barrel 6 support

7 support ring 8 fiber aggregation module

9 first manhole 10 second manhole

11 air inlet 12 air outlet

13 discharge port 81 liquid discharge layer

82 aggregation layer 83 exhaust layer

Detailed Description

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection may be direct, indirect via an intermediate medium, abutting, communication between two elements, or interaction between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It is to be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "inner", "outer", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, and thus, features defining "first," "second," or the like, may explicitly or implicitly include one or more of such features.

In a basic embodiment of the present utility model, as shown in fig. 1-2, there is provided a gas-liquid separation apparatus comprising a tank 1, a discharge port 13 provided at the lower side of the tank 1, an air outlet 12 provided at the upper side of the tank 1, an air inlet 11 provided on the tank 1, and a fiber condensing module 8 provided inside the tank 1, the air inlet 11 being located below the fiber condensing module 8 so that a gas-liquid mixture entering the tank 1 from the air inlet 11 can be gas-liquid separated by the fiber condensing module 8 to condense liquid in the gas-liquid mixture and drop to the bottom of the tank 1 and discharge from the discharge port 13, and the gas being discharged from the air outlet 12.

When the gas-liquid separation device provided in the above basic embodiment is operated, the gas-liquid mixture enters the interior of the tank 1 from the gas inlet 11, and as the gas-liquid mixture flows upward to the fiber coagulation module 8, the gas-liquid mixture is separated in the fiber coagulation module 8, the separated liquid drops from the lower part of the fiber coagulation module 8 to the bottom of the tank 1 and is discharged from the discharge port 13, and the separated gas flows out from the upper part of the fiber coagulation module 8 and is discharged from the discharge port 12. The above-described basic embodiment provides a fiber aggregation module 8 with higher separation accuracy, which can separate more liquid from the gas-liquid mixture, thereby improving the efficiency of the whole separation process.

The fiber aggregation module 8 can be a module composed of a relatively thin material and containing a relatively small pore size, and can separate liquid in a gas-liquid mixture.

In one embodiment of the present utility model, as shown in fig. 3, the fiber aggregation module 8 includes an aggregation layer 82 woven with nanofibers, a drainage layer 81 located below the aggregation layer 82, and a drainage layer 83 located above the aggregation layer 82. The coalescing layer 82 formed by braiding the nanofibers has a larger specific surface area, and can improve the gas-liquid separation efficiency to a greater extent. The liquid separated from the gas-liquid mixture by the coalescing layer 82 coalesces and drops to the liquid discharge layer 81 to be discharged, and the separated gas is discharged from the gas discharge layer 83, so that the gas-liquid separation can be stably performed.

As a specific embodiment of the present utility model, the nanofibers include metal nanofibers and/or teflon nanofibers that have excellent liquid trapping properties such that the woven coalescing layer 82 has a high liquid separation efficiency.

As a specific embodiment of the present utility model, the pore size of the coalescing layer 82 in the fiber coalescing module 8 increases from bottom to top. The gas-liquid mixture enters the coalescing layer 82 with smaller aperture from the lower part of the fiber coalescing module 8, the small liquid drops are intercepted and adsorbed by the nano fibers on the surface of the coalescing layer 82, the small liquid drops are pushed to the coalescing layer 82 with larger aperture along with the upward flow of the gas-liquid mixture, and a plurality of small liquid drops collide to form larger liquid drops, the coalescing process is repeated continuously along with the upward flow of the liquid drops, the diameter of the coalescing liquid drops is larger and larger along with the continuous increase of the aperture of the coalescing layer 82, and when the gravity of the liquid drops is larger than the upward buoyancy of the gas, the liquid drops drop to the liquid draining layer 81 to be discharged. The coalescing layer 82 is structured to allow liquid separated from the gas-liquid mixture to drip down to the drainage layer 81, allowing the separation process to proceed efficiently.

As a specific embodiment of the present utility model, the liquid discharge layer 81 and the liquid discharge layer 83 are each a plate structure provided with a plurality of holes. The plate structure is provided with a plurality of holes which can enable liquid or gas to pass through smoothly, so that the separation process is carried out stably.

In one embodiment of the present utility model, as shown in fig. 1 to 4, a mounting mechanism for mounting a fiber coagulation module 8 is provided on a tank 1, the mounting mechanism including a support block 3 connected to an inner wall of the tank 1, a fixing ring 2 supported on the support block 3, a ring plate 4 connected to the fixing ring 2, a cylinder 5 supported on the ring plate 4, a support 6 connected to an inner wall of the cylinder 5, and a support ring 7 supported on the support 6, the fiber coagulation module 8 being supported on the support ring 7, and the fiber coagulation module 8, the support ring 7, and the support 6 being located inside the cylinder 5. The supporting block 3 on the inner wall of the tank body 1 is used for enabling the fixed ring 2 to be stably connected to the inner wall of the tank body 1, the annular plate 4 connected with the fixed ring 2 is arranged, the cylinder body 5 can be stably supported on the annular plate 4, tightness between the supporting block 3 and the annular plate 4 is guaranteed, more gas-liquid mixture is separated through the fiber aggregation module (8), better separation effect is achieved, the supporting piece 6 is arranged on the inner wall of the cylinder body 5, the supporting ring 7 is stably supported by the supporting piece 6, the fiber aggregation module 8 can be stably supported on the supporting ring 7, the whole installation mechanism can enable the fiber aggregation module 8 to be stably connected with the tank body 1, good sealing effect and a buffer effect can be achieved, more gas-liquid mixture is enabled to be stably carried out through the fiber aggregation module (8), and the whole separation process is enabled to be stably carried out.

As a specific embodiment of the utility model, the number of the supporting pieces 6 is more than or equal to 4, and the supporting pieces 6 are uniformly distributed along the circumferential direction of the inner wall of the cylinder 5 and are positioned on the same horizontal plane, so that the supporting pieces 6 can ensure that the supporting rings 7 are more firmly connected with the supporting pieces 6, further the fiber aggregation module 8 can be stably installed, and the gas-liquid mixture can smoothly enter the fiber aggregation module 8.

As a specific embodiment of the utility model, the number of the supporting blocks 3 is more than or equal to 4, and the supporting blocks 3 are uniformly distributed along the circumferential direction of the inner wall of the cylinder 5 and are positioned on the same horizontal plane, the supporting blocks 3 can ensure that the connection between the fixed ring 2 and the supporting blocks 3 is more stable, and the cylinder 5 can be stably installed, so that the fiber aggregation module 8 positioned in the cylinder 5 has strong stability, and the gas-liquid mixture can smoothly enter the fiber aggregation module 8.

As a specific embodiment of the present utility model, at least one manhole is provided on the tank 1, and the provision of the manhole can facilitate maintenance of the device inside the tank 1.

As a specific embodiment of the present utility model, the tank 1 is provided with a first manhole 9 and a second manhole 10, the first manhole 9 is located at the same height as the air inlet 11, and the second manhole 10 is located above the first manhole 9. The arrangement of the first manhole 9 and the second manhole 10 makes maintenance of the device inside the tank 1 more convenient and smooth.

As a relatively preferred embodiment of the present utility model, as shown in fig. 1 to 4, there is provided a gas-liquid separation apparatus comprising a tank 1, a discharge port 13 provided at the lower side of the tank 1, a gas discharge port 12 provided at the upper side of the tank 1, a gas inlet port 11 provided at the tank 1, and a fiber coagulation module 8 provided inside the tank 1, the fiber coagulation module 8 comprising a coalescing layer 82 woven with nanofibers, a drain layer 81 provided below the coalescing layer 82, and a gas discharge layer 83 provided above the coalescing layer 82, the gas inlet port 11 being provided below the fiber coagulation module 8, the tank 1 being provided with a mounting mechanism for mounting the fiber coagulation module 8, the mounting mechanism comprising a support block 3 connected to the inner wall of the tank 1, a fixing ring 2 supported on the support block 3, a ring plate 4 connected to the fixing ring 2, a cylinder 5 supported on the ring plate 4, a support 6 connected to the inner wall of the cylinder 5, and a support ring 7 supported on the support 6, the fiber coagulation module 8 being supported on the support ring 7, the inner side of the support ring 7, and the fiber coagulation module 8 being positioned on both the cylinder 5. The aperture of the aggregation layer 82 in the fiber aggregation module 8 increases gradually from bottom to top, the liquid draining layer 81 and the air exhausting layer 83 can be plate structures, a plurality of holes are formed in the plate structures, the number of the supporting pieces 6 is more than or equal to 4, the supporting pieces are uniformly distributed on the inner wall of the cylinder 5, the number of the supporting pieces 3 is more than or equal to 4, the supporting pieces are uniformly distributed on the inner wall of the tank 1, a first manhole 9 and a second manhole 10 are arranged on the tank 1, the first manhole 9 is located at the same height of the air inlet 11, and the second manhole 10 is located above the first manhole 9.

The gas-liquid mixture enters the tank 1 from the gas inlet 11, the gas-liquid mixture flows upwards to reach the fiber coagulation module 8, the gas-liquid mixture firstly enters the coalescing layer 82 with smaller aperture from the lower part of the fiber coagulation module 8, small liquid drops are intercepted and adsorbed by nano fibers on the surface of the coalescing layer 82, the small liquid drops are pushed to the coalescing layer 82 with larger aperture as the gas-liquid mixture flows upwards, a plurality of small liquid drops collide to form larger liquid drops, the coalescing process is repeated as the liquid drops flow upwards, the diameter of the coalescing liquid drops is increased as the aperture of the coalescing layer 82 is increased, when the gravity of the liquid drops is larger than the upward buoyancy of the gas, the liquid drops fall to the bottom of the tank 1 and are discharged from the discharge outlet 13, and the separated gas flows out of the discharge outlet 12.

The gas-liquid separation device has the advantages that the liquid separation precision can reach 0.5 mu m, the liquid removal efficiency is 99.9%, the gas-liquid separation precision is improved to a great extent, and the gas-liquid separation efficiency is improved.

The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present utility model within the scope of the technical concept of the present utility model, and all the simple modifications belong to the protection scope of the present utility model.

In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.

Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.

Claims

1. The gas-liquid separation device is characterized by comprising a tank body (1), a discharge port (13) arranged at the lower side of the tank body (1), an exhaust port (12) arranged at the upper side of the tank body (1), an air inlet (11) arranged on the tank body (1) and a fiber condensation module (8) arranged in the tank body (1), wherein the air inlet (11) is positioned below the fiber condensation module (8), so that a gas-liquid mixture entering the tank body (1) from the air inlet (11) can be subjected to gas-liquid separation through the fiber condensation module (8), and liquid in the gas-liquid mixture is condensed and then drops to the bottom of the tank body (1) and is discharged from the discharge port (13), and the gas is discharged from the exhaust port (12).

2. The gas-liquid separation device according to claim 1, characterized in that the fiber coagulation module (8) comprises a coalescing layer (82) woven with nano fibers, a drainage layer (81) located below the coalescing layer (82) and a drainage layer (83) located above the coalescing layer (82), the coalescing layer (82) being of a multi-layer porous structure.

3. The gas-liquid separation device of claim 2, wherein the nanofibers comprise metal nanofibers and/or teflon nanofibers.

4. The gas-liquid separation device according to claim 2, characterized in that the pore size of the coalescing layer (82) in the fiber coalescing module (8) increases layer by layer from bottom to top.

5. The gas-liquid separation device according to claim 2, wherein the liquid discharge layer (81) and the gas discharge layer (83) are each a plate structure provided with a plurality of holes.

6. The gas-liquid separation device according to any one of claims 1 to 5, characterized in that the tank body (1) is provided with a mounting mechanism for mounting the fiber coagulation module (8), the mounting mechanism comprises a support block (3) connected with the inner wall of the tank body (1), a fixing ring (2) supported on the support block (3), a ring plate (4) connected with the fixing ring (2), a cylinder body (5) supported on the ring plate (4), a support piece (6) connected with the inner wall of the cylinder body (5) and a support ring (7) supported on the support piece (6), the fiber coagulation module (8) is supported on the support ring (7), and the fiber coagulation module (8), the support ring (7) and the support piece (6) are all located inside the cylinder body (5).

7. The gas-liquid separation device according to claim 6, characterized in that the number of the supporting pieces (6) is not less than 4, and the supporting pieces are uniformly distributed along the circumferential direction of the inner wall of the cylinder (5) and are positioned on the same horizontal plane.

8. The gas-liquid separation device according to claim 6, wherein the number of the supporting blocks (3) is not less than 4, and the supporting blocks are uniformly distributed along the circumferential direction of the inner wall of the tank body (1) and are positioned on the same horizontal plane.

9. A gas-liquid separation device according to claim 1, characterized in that the tank (1) is provided with at least one manhole.

10. The gas-liquid separation device according to claim 9, characterized in that the tank (1) is provided with a first manhole (9) and a second manhole (10), the first manhole (9) being located at the same height as the gas inlet (11), the second manhole (10) being located above the first manhole (9).