Gas-liquid separator

Abstract

The utility model discloses a gas-liquid separator. The gas-liquid separator comprises a gas-liquid separator body, a drainage pipe is installed at the bottom end of the gas-liquid separator, a gas inlet pipe is installed on one side of the upper end of the gas-liquid separator, an internal pipe is installed in the gas-liquid separator, a gas outlet pipe is installed at the upper end of the internal pipe, the upper end of the gas outlet pipe extends out of the gas-liquid separator, and spiral blades are welded between the interior of the gas-liquid separator and the internal pipe; a filter screen is installed at the bottom end of the inner pipe, a condenser is installed in the middle of the inner pipe, and filter cotton is installed at the upper end of the inner pipe. The filtered gas is condensed through the condenser, liquid in the gas can be condensed in a low-temperature environment, the gas sinks under the action of gravity, and meanwhile fine water particles in the gas can be filtered again through the filter cotton.

Description

Technical Field

[0001] The utility model relates to the technical field of gas-liquid separators, in particular to a gas-liquid separator. Background Art

[0002] Tungsten hexafluoride is a colorless gas or light yellow liquid. Its solid is a white crystal that is easily deliquescent and emits smoke in humid air. It is mainly used for chemical vapor deposition of tungsten as a fluorinating agent. In the process of preparing tungsten hexafluoride, the tail gas will contain a large amount of tungsten hexafluoride, which requires gas-liquid separation.

[0003] Chinese patent number CN202021298472.7 discloses a safe and efficient gas-liquid separator for tungsten hexafluoride processing, including a tank body and a tank cover screwed and sealed with the tank body, the tank body is provided with a liquid phase outlet flange pipe, the tank cover is provided with a gas phase outlet pipe, the outer side of the gas phase outlet pipe is provided with a spiral blade, the top of the spiral blade is fixed with an annular mounting panel sleeved on the outer side of the gas phase outlet pipe, the top of the gas phase outlet pipe is fixed with a gas phase outlet pipe, the lower flange at the bottom of the gas phase outlet pipe is connected to the flange connection plate fixedly arranged at the top of the tank cover and the annular mounting panel flange inside the tank cover, the side of the tank cover is fixed with an inlet pipe, and the bottom of the inner side of the tank body is provided with a liquid separation plate mounting structure, and the liquid separation plate mounting structure includes four connecting plates, an annular lower mounting panel, an annular upper mounting plate and four internal threaded sleeves. In the process of using the prior art, due to the high gas temperature and the low boiling point of tungsten hexafluoride, it is easy to cause poor liquefaction effect, thereby affecting the gas-liquid separation effect. Utility Model Content

[0004] The purpose of the utility model is to provide a gas-liquid separator to solve the problems raised in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gas-liquid separator, comprising a gas-liquid separator; a drain pipe is installed at the bottom end of the gas-liquid separator, an air inlet pipe is installed on one side of the upper end of the gas-liquid separator, an internal pipe is installed inside the gas-liquid separator, an air outlet pipe is installed at the upper end of the internal pipe, the upper end of the air outlet pipe extends out of the gas-liquid separator, spiral leaves are welded between the inside of the gas-liquid separator and the internal pipe, a filter screen is installed at the bottom end of the internal pipe, a condenser is installed in the middle of the internal pipe, and filter cotton is installed at the upper end of the internal pipe.

[0006] Preferably, the condenser consists of a condenser, a liquid inlet pipe and a liquid outlet pipe, the condenser is installed in the middle position inside the internal tube, the condenser and the liquid inlet pipe are installed at both ends of the condenser, and the condenser and the liquid inlet pipe extend out of the gas-liquid separator.

[0007] Preferably, heat conducting plates are arranged around the condenser tube, and the heat conducting plates are welded around the condenser tube.

[0008] Preferably, a support plate is provided at the upper end of the spiral blade, and the bottom end of the support plate is welded to the upper side of the spiral blade.

[0009] Preferably, the spiral blades and the outer sides of the inner tube are provided with a corrosion-resistant layer, and the corrosion-resistant layer is provided as a chrome-plated layer.

[0010] Preferably, a liquid level tube is provided at the bottom end of the gas-liquid separator, and the liquid level tube is installed at one side of the bottom end of the gas-liquid separator.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The filtered gas is then condensed in the condenser. The low temperature environment will condense the liquid in the gas and sink it by gravity. At the same time, the filter cotton can filter the fine water particles in the gas again.

[0013] 2. When the condenser is in use, the coolant is introduced into the condenser tube through the liquid inlet pipe, and the air is cooled through the condenser tube;

[0014] 3. The setting of the support plate can increase the contact area with the air and improve the efficiency of condensation;

[0015] 4. The setting of the liquid level tube can display the liquid level height at the bottom of the gas-liquid separator, making it convenient for the staff to export the liquid at the bottom of the gas-liquid separator in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a side view structural schematic diagram of the utility model;

[0019] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the internal tube of the utility model.

[0021] In the figure: 1. gas-liquid separator; 2. air outlet pipe; 3. air inlet pipe; 4. liquid level pipe; 5. drain pipe; 6. spiral blade; 7. support plate; 8. liquid inlet pipe; 9. condenser; 10. liquid outlet pipe; 11. internal pipe; 12. filter cotton; 13. heat transfer plate; 14. condenser pipe; 15. filter screen; 16. corrosion-resistant layer. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 In the embodiment of the utility model, a gas-liquid separator includes a gas-liquid separator 1; a drain pipe 5 is installed at the bottom end of the gas-liquid separator 1, an air inlet pipe 3 is installed on one side of the upper end of the gas-liquid separator 1, an internal pipe 11 is installed inside the gas-liquid separator 1, an air outlet pipe 2 is installed on the upper end of the internal pipe 11, and the upper end of the air outlet pipe 2 extends out of the gas-liquid separator 1, spiral leaves 6 are welded between the inside of the gas-liquid separator 1 and the internal pipe 11, a filter screen 15 is installed at the bottom end of the internal pipe 11, a condenser 9 is installed in the middle of the internal pipe 11, and a filter cotton 12 is installed at the upper end of the internal pipe 11.

[0024] The condenser 9 is composed of a condenser tube 14, a liquid inlet tube 8 and a liquid outlet tube 10. The condenser tube 14 is installed in the middle position inside the internal tube 11. The condenser tube 14 and the liquid inlet tube 8 are installed at both ends of the condenser tube 14. The condenser tube 14 and the liquid inlet tube 8 extend out of the gas-liquid separator 1. When in use, the condenser 9 introduces the coolant into the condenser tube 14 through the liquid inlet tube 8, and cools the air through the condenser tube 14. Heat conducting plates 13 are arranged around the condenser tube 14, and the heat conducting plates 13 are welded around the condenser tube 14. The arrangement of the heat conducting plates 13 can increase the cooling effect on the air, so that the liquid in the air can be quickly condensed.

[0025] A support plate 7 is provided at the upper end of the spiral blade 6, and the bottom end of the support plate 7 is welded to the upper side of the spiral blade 6. The provision of the support plate 7 can increase the contact area with the air and improve the efficiency of condensation. A corrosion-resistant layer 16 is provided on the outer side of the spiral blade 6 and the internal tube 11. The corrosion-resistant layer 16 is provided as a chrome-plated layer. The chrome-plated layer used in the corrosion-resistant layer 16 has strong corrosion resistance, which can reduce the corrosion of the spiral blade 6 and the internal tube 11 during use, and extend the service life of the spiral blade 6 and the internal tube 11.

[0026] A liquid level tube 4 is provided at the bottom of the gas-liquid separator 1. The liquid level tube 4 is installed at one side of the bottom of the gas-liquid separator 1. The setting of the liquid level tube 4 can display the liquid level height at the bottom of the gas-liquid separator 1, so that the staff can export the liquid at the bottom of the gas-liquid separator 1 in time.

[0027] The working principle and use process of the utility model: when the gas-liquid separator 1 is in use, the liquid-containing gas is introduced into the gas-liquid separator 1 through the air inlet pipe 3, and the gas flows downward through the spiral blades 6. During the flow, the liquid will sink downward due to gravity, and the gas will enter the internal tube 11 from the bottom of the internal tube 11 when it flows, and be discharged through the air outlet pipe 2. The gas is firstly filtered through the filter mesh 15 in the internal tube 11 for primary filtration, and the filtered gas is condensed through the condenser 9. The low temperature environment will condense the liquid in the gas and sink it by the action of gravity. At the same time, the filter cotton 12 can filter the fine water particles in the gas again, and the separated gas is discharged through the air outlet pipe 2. The liquid is introduced into the bottom position of the gas-liquid separator 1 by gravity and is discharged through the drain pipe.

[0028] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A gas-liquid separator, comprising a gas-liquid separator (1); characterized in that: A drain pipe (5) is installed at the bottom of the gas-liquid separator (1), an air inlet pipe (3) is installed on one side of the upper end of the gas-liquid separator (1), an internal pipe (11) is installed inside the gas-liquid separator (1), an air outlet pipe (2) is installed at the upper end of the internal pipe (11), the upper end of the air outlet pipe (2) extends out of the gas-liquid separator (1), spiral leaves (6) are welded between the inside of the gas-liquid separator (1) and the internal pipe (11), a filter screen (15) is installed at the bottom of the internal pipe (11), a condenser (9) is installed in the middle of the internal pipe (11), and a filter cotton (12) is installed at the upper end of the internal pipe (11).

2. A gas-liquid separator according to claim 1, characterized in that: The condenser (9) is composed of a condenser tube (14), a liquid inlet tube (8) and a liquid outlet tube (10); the condenser tube (14) is installed at a middle position inside the internal tube (11); the condenser tube (14) and the liquid inlet tube (8) are installed at two ends of the condenser tube (14); and the condenser tube (14) and the liquid inlet tube (8) extend out of the gas-liquid separator (1).

3. A gas-liquid separator according to claim 2, characterized in that: Heat conducting plates (13) are arranged around the condenser tube (14), and the heat conducting plates (13) are welded around the condenser tube (14).

4. A gas-liquid separator according to claim 1, characterized in that: A support plate (7) is provided at the upper end of the spiral blade (6), and the bottom end of the support plate (7) is welded to the upper side of the spiral blade (6).

5. A gas-liquid separator according to claim 1, characterized in that: The spiral blade (6) and the inner tube (11) are provided with a corrosion-resistant layer (16) on the outside, and the corrosion-resistant layer (16) is configured as a chrome-plated layer.

6. A gas-liquid separator according to claim 1, characterized in that: A liquid level pipe (4) is provided at the bottom end of the gas-liquid separator (1), and the liquid level pipe (4) is installed at a side position of the bottom end of the gas-liquid separator (1).

Images