CN216878641U - Gas water removing device - Google Patents
Gas water removing device Download PDFInfo
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- CN216878641U CN216878641U CN202123342742.7U CN202123342742U CN216878641U CN 216878641 U CN216878641 U CN 216878641U CN 202123342742 U CN202123342742 U CN 202123342742U CN 216878641 U CN216878641 U CN 216878641U
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Abstract
The utility model discloses a gas dewatering device, which is characterized by comprising a cyclone separation device (2), a freeze drying device (3), a gas compression device (4) and an adsorption device (5); wherein the cyclone separation device (2) is provided with a gas phase outlet and a liquid phase outlet, and the gas phase outlet is connected with the freeze drying device (3); the freeze drying device (3) is connected with the gas compression device (4) and the adsorption device (5) in sequence through pipelines. The device effectively solves the problem of blockage of the liquid outlet of the cold drying equipment on the premise of meeting the drying requirement, can further reduce the outlet temperature of hot material flow of the cold drying equipment to-40 to-80 ℃, can effectively protect the membrane type compressor, and can reduce the grade number of the adsorption device, thereby reducing the production cost.
Description
Technical Field
The utility model relates to the technical field of drying equipment, in particular to a gas dewatering device.
Background
In industrial or electronic gas purification processes, cryogenic rectification is often used as an effective method for separating gas components, and in order to ensure that gas and liquid in a cryogenic rectification tower are fully contacted to realize gas purification, the moisture in the gas needs to be reduced to below 500ppmv by an effective technical means before the gas enters the cryogenic rectification tower.
At present, the purpose of drying gas is achieved by adopting a multi-stage cold drying and multi-stage adsorption combined means in industry, liquid nitrogen or liquid nitrogen residual cold is generally adopted as a refrigerant to gradually reduce the temperature of the gas to-20 to-40 ℃, when the temperature is high in summer, the water content of the gas is large, a large amount of water is rapidly condensed and even frozen after entering multi-stage cold drying equipment, the outlet of condensed water of the cold drying equipment is easy to freeze and block, and the drainage operation cannot be normally carried out; in addition, the gas needs to be pressurized by a membrane compressor before entering a low-temperature rectification working section, the temperature of the gas dried by the multi-stage cold drying equipment is low, and if the gas directly enters the membrane compressor, the damage of a membrane of the compressor is easily caused, and the maintenance cost of the equipment is increased. In order to avoid frequent damage to the membrane compressor, the cold drying equipment cannot cool the gas to an ideal value, and the moisture cannot be reduced to the ideal value. Therefore, a multistage adsorption device is needed to deeply remove water after the membrane compressor, so that the moisture in the gas is reduced to be within a control index range, and the production cost is greatly increased due to the regeneration of a large amount of adsorbent.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a gas dewatering device, which effectively solves the problem of blockage of a liquid outlet of a cooling and drying device on the premise of meeting the drying requirement, can further reduce the outlet temperature of hot material flow of the cooling and drying device to-40 to-80 ℃, can effectively protect a membrane compressor, and can reduce the stage number of an adsorption device, thereby reducing the production cost.
The technical scheme of the utility model is that the gas dewatering device comprises a cyclone separation device 2, a freeze drying device 3, a gas compression device 4 and an adsorption device 5; wherein the cyclone separation device 2 is provided with a gas phase outlet and a liquid phase outlet, and the gas phase outlet is connected with the freeze drying device 3; the freeze-drying device 3 is connected with the gas compression device 4 and the adsorption device 5 in sequence through pipelines.
Further, the gas water removal device also comprises a gas holder 1; the gas holder 1 is arranged in front of the cyclone separation device 2, and a gas outlet of the gas holder 1 is connected with a gas inlet of the cyclone separation device 2 through a pipeline.
The cyclone separation device 2 is a cyclone separator, the gas phase outlet is positioned on the top surface of the cyclone separator, the liquid phase outlet is positioned on the bottom surface of the cyclone separator, and a gate valve 2.1 and a pilot shower valve 2.2 are arranged on a pipeline of the liquid phase outlet; a buffer section 2.3 is arranged between the gate valve 2.1 and the pilot valve 2.2; an emptying pipe 2.3.6 is arranged on the top barrel wall of the buffer section 2.3, and an emptying valve 2.3.1 is arranged on the emptying pipe; an upper limiting block 2.3.2 and a lower limiting block 2.3.5 are fixed on the inner wall of the buffer section 2.3, the upper limiting block 2.3.2 is connected with the lower limiting block 2.3.5 through a guide shaft 2.3.4 which is vertically arranged, a floater 2.3.3 is arranged on the guide shaft 2.3.4, and the thickness of the floater 2.3.3 is larger than or equal to the pipe diameter of the emptying pipe 2.3.6. When the floater 2.3.3 floats to the upper limit block 2.3.2, the emptying pipe is blocked.
The freeze drying device 3 comprises a freeze drying machine 3.1 and a condenser 3.2 which are connected in series through pipelines; wherein, the hot material flow inlet of the cold dryer 3.1 is connected with the gas phase outlet of the cyclone separation device 2 through a pipeline, the hot material flow outlet of the cold dryer 3.1 is connected with the hot material flow inlet of the condenser 3.2 through a pipeline, the cold material flow inlet of the condenser 3.2 is connected with a liquid nitrogen supply pipeline from a public engineering, and the cold material flow outlet of the condenser 3.2 is connected with a liquid nitrogen return pipeline from the public engineering. The difference between the cold dryer and the condenser is that: the cooling and drying machine uses the combination work of the cooling and drying machine with the refrigerant, the condenser, the evaporator and the like to perform the circulating heat exchange and provide the cooling capacity, and the condenser uses the flowing refrigerant of the public engineering to perform the circulating heat exchange and provide the cooling capacity.
Further, the condenser 3.2 is a multi-stage condenser; wherein the hot stream outlet of the last stage condenser is connected to the inlet of the gas compression means 4 through a first regulating valve 3.2.1; the outlet of the hot material of the last stage of condensation is connected with the pipeline of the first regulating valve 3.2.1, and the outlet of the cold material of the first stage of condensation is connected with the inlet of the cold material of the first stage of condensation, and the outlet of the cold material of the first stage of condensation is sequentially connected with the inlet of the second regulating valve 3.2.2-the check valve 3.2.3-the gas compression device 4.
The gas compression device 4 comprises a heater 4.1 and a membrane compressor 4.2; the freeze-drying unit 3 is connected to the cold stream inlet of the heater 4.1 and the cold stream outlet of the heater 4.1 is connected to the membrane compressor 4.2 and subsequently to the adsorption unit 5.
The adsorption device 5 is filled with an adsorption tower for adsorbing filler.
Furthermore, the adsorption device is a multi-stage adsorption tower filled with adsorption filler, and the number of stages of the adsorption tower is reduced along with the reduction of the condensation temperature of hot material flow in the condenser.
Compared with the prior art, the utility model has the beneficial effects that: by combining the cyclone separation device, the freeze drying device, the gas compression device and the adsorption device, the problem of blockage of a liquid outlet of the cold drying equipment is effectively solved on the premise of meeting the drying requirement, the outlet temperature of hot material flow of the cold drying equipment can be further reduced to-40 to-80 ℃, the membrane type compressor can be effectively protected, the grade number of the adsorption device can be reduced, and therefore the production cost is reduced. The heater is additionally arranged in front of the membrane type compressor, so that the membrane type compressor is prevented from being damaged due to the fact that the temperature of electronic gas is too low when the membrane type compressor compresses the gas; meanwhile, a gate valve is horizontally arranged at the bottom of the cyclone separator, so that partial electronic gas which can be caused by the cyclone separator during water drainage is prevented from leaking, and loss is reduced.
Drawings
FIG. 1 is a schematic view of a gas water removal apparatus according to the present invention.
Fig. 2 is a schematic diagram of the process sequence of the cold dryer and the condenser.
Fig. 3 is a schematic diagram of a condenser apparatus.
Figure 4 is a schematic view of a process sequence in which the gas compression device is located.
Figure 5 is a schematic diagram of the cyclone separation apparatus.
Figure 6 is a schematic view of the buffering section of the cyclone separation device.
In the figure: 1. the air cabinet 2, the cyclone separation device 2.1, the gate valve 2.2, the guide shower valve 2.3, the buffer section 2.3.1, the blow-down valve 2.3.2, the upper limit block 2.3.3, the floater 2.3.4, the guide shaft 2.3.5, the lower limit block 2.3.6, the blow-down pipe 3, the freeze-drying device 3.1, the cold dryer 3.2, the condenser 3.2.1, the first regulating valve 3.2.2, the second regulating valve 3.2.3, the check valve 4, the gas compression device 4.1, the heater 4.2, the membrane compressor 5 and the adsorption device.
Detailed Description
The technical scheme in the embodiment will be described below with reference to the drawings of the specification.
Example 1
As shown in fig. 1, the gas dewatering device includes a cyclone separator 2, a freeze-drying device 3, a gas compression device 4, and an adsorption device 5. Wherein the cyclone separation device 2 is provided with a gas phase outlet and a liquid phase outlet, and the gas phase outlet is connected with the freeze drying device 3; the freeze-drying device 3 is connected with the gas compression device 4 and the adsorption device 5 in sequence through pipelines.
As shown in fig. 2, in this embodiment, the gas water removing apparatus further includes a gas holder 1, which is used as a buffer between the upstream unit and the cyclone separation apparatus to ensure continuous and stable material treatment; the gas holder 1 is arranged in front of the cyclone separation device 2, and a gas outlet of the gas holder 1 is connected with a gas inlet of the cyclone separation device 2 through a pipeline.
As shown in fig. 2, the freeze drying device 3 comprises a freeze dryer 3.1 and a condenser 3.2 which are connected in series through a pipeline; wherein, the hot material flow inlet of the cold dryer 3.1 is connected with the gas phase outlet of the cyclone separation device 2 through a pipeline, the hot material flow outlet of the cold dryer 3.1 is connected with the hot material flow inlet of the condenser 3.2 through a pipeline, the cold material flow inlet of the condenser 3.2 is connected with a liquid nitrogen supply pipeline from a public engineering, and the cold material flow outlet of the condenser 3.2 is connected with a liquid nitrogen reflux pipeline from the public engineering.
As shown in fig. 3, the freeze-drying device 3 comprises a freeze-drying machine 3.1 and a condenser 3.2 which are connected in series through a pipeline; the condenser 3.2 is a multi-stage condenser, and a person skilled in the art can adjust the stage number of the condenser according to actual needs, and the condenser is a 3-stage condenser in the embodiment; wherein the outlet of the hot condensed product of the last stage is connected to the first regulating valve 3.2.1 and then to the inlet of the gas compression means 4; the outlet of the hot material flow of the last stage of condensation is arranged in front of the first regulating valve 3.2.1, and a pipeline is also connected with the inlet of the cold material flow of the first stage of condensation, and the outlet of the cold material flow of the first stage of condensation is firstly connected with the second regulating valve 3.2.2 and then connected with the inlet of the gas compression device 4 through a check valve.
As shown in fig. 4, the gas compression device 4 comprises a heater 4.1 and a membrane compressor 4.2; the freeze-drying unit 3 is connected to the heater cold stream inlet of the heater 4.1 and the heater cold stream outlet of the heater 4.1 is connected to the membrane compressor 4.2 and subsequently to the adsorption unit 5.
Furthermore, the adsorption device 5 is a multi-stage adsorption tower filled with adsorption packing, and the number of stages of the adsorption tower is reduced along with the reduction of the condensation temperature of the hot material flow in the condenser.
As shown in fig. 5 and 6, further, the cyclone separation device 2 is a cyclone separator, the gas phase outlet is located on the top surface of the cyclone separator, the liquid phase outlet is located on the bottom surface of the cyclone separator, and the liquid phase outlet is provided with a shower valve 2.2; the bottom of the cyclone separator is also horizontally provided with a gate valve 2.1, a buffer section 2.3 of the cyclone separator is arranged between the gate valve 2.1 and the liquid phase outlet, the top cylinder wall of the buffer section 2.3 is connected with an emptying pipe 2.3.6, the emptying pipe is provided with an emptying valve 2.3.1, the inner wall of the buffer section 2.3 is fixed with an upper limit block 2.3.2 and a lower limit block 2.3.5, the upper limit block 2.3.2 is connected with the lower limit block 2.3.5 through a vertically arranged guide shaft 2.3.4, the guide shaft 2.3.4 is provided with a floater 2.3.3, the thickness of the floater 2.3.3 is larger than or equal to the pipe diameter of the emptying pipe, and the emptying pipe is blocked when the floater 2.3.3 floats to the upper limit block 2.3.2. Through the structure in the buffer segment 2.3, when needs were turned on the water, open gate valve 2.1 earlier, close gate valve 2.1 afterwards, open atmospheric valve 2.3.1, will lead shower valve 2.2 to open again, if the water of congealing in the buffer segment 2.3 was too much this moment, will lead to float 2.3.3 to come up to stopper 2.3.2 to with the blow-down pipe shutoff, prevent liquid direct splash, and in case the liquid level in the buffer segment 2.3 descends, float 2.3.3's vertical height also will descend, give way the blow-down pipe mouth, do benefit to the emission.
By combining the cyclone separation device, the freeze drying device, the gas compression device and the adsorption device, the problem of blockage of a liquid outlet of the cold drying equipment is effectively solved on the premise of meeting the drying requirement, the outlet temperature of hot material flow of the cold drying equipment can be further reduced to-40 to-80 ℃, the membrane type compressor can be effectively protected, the grade number of the adsorption device can be reduced, and therefore the production cost is reduced. The heater is additionally arranged in front of the membrane type compressor, so that the membrane type compressor is prevented from being damaged due to the fact that the temperature of electronic gas is too low when the membrane type compressor compresses the gas; meanwhile, a gate valve is horizontally arranged at the bottom of the cyclone separator, so that partial electronic gas which can be caused by the cyclone separator during water drainage is prevented from leaking, and loss is reduced.
Claims (8)
1. A gas dewatering device is characterized by comprising a cyclone separation device (2), a freeze drying device (3), a gas compression device (4) and an adsorption device (5); wherein the cyclone separation device (2) is provided with a gas phase outlet and a liquid phase outlet, and the gas phase outlet is connected with the freeze drying device (3); the freeze drying device (3) is connected with the gas compression device (4) and the adsorption device (5) in sequence through pipelines.
2. The gas water removal device of claim 1, further comprising a gas cabinet (1); the gas holder (1) is arranged in front of the cyclone separation device (2), and a gas outlet of the gas holder (1) is connected with a gas inlet of the cyclone separation device (2) through a pipeline.
3. The gas water removal device as claimed in claim 1, wherein the cyclone separation device (2) is a cyclone separator, the gas phase outlet is positioned on the top surface of the cyclone separator, the liquid phase outlet is positioned on the bottom surface of the cyclone separator, and a liquid phase outlet pipeline is provided with a gate valve (2.1) and a pilot shower valve (2.2); a buffer section (2.3) is arranged between the gate valve (2.1) and the pilot valve (2.2); an emptying pipe (2.3.6) is arranged on the top cylinder wall of the buffer section (2.3), and an emptying valve (2.3.1) is arranged on the emptying pipe; be fixed with on the inner wall of buffer segment (2.3) and go up spacing piece (2.3.2), spacing piece (2.3.5) down, go up spacing piece (2.3.2) and be connected through guide shaft (2.3.4) of perpendicular setting with spacing piece (2.3.5) down, be equipped with float (2.3.3) on guide shaft (2.3.4), the thickness of float (2.3.3) is greater than or equal to the pipe diameter of blow-down pipe (2.3.6).
4. The gas water removal device as claimed in claim 1, wherein the freeze drying device (3) comprises a freeze dryer (3.1), a condenser (3.2) connected in series through a pipeline; wherein, the hot material flow inlet of the cold dryer (3.1) is connected with the gas phase outlet of the cyclone separation device (2) through a pipeline, the hot material flow outlet of the cold dryer (3.1) is connected with the hot material flow inlet of the condenser (3.2) through a pipeline, the cold material flow inlet of the condenser (3.2) is connected with a liquid nitrogen supply pipeline from a public work, and the cold material flow outlet of the condenser (3.2) is connected with a liquid nitrogen return pipeline from the public work.
5. A gas water removal device according to claim 4, characterised in that the condenser (3.2) is a multistage condenser; wherein the hot stream outlet of the last stage condenser is connected to the inlet of the gas compression device (4) by means of a first regulating valve (3.2.1); the outlet of the hot material of the last stage of condensation is connected with the pipeline of the first regulating valve (3.2.1), the outlet of the cold material of the first stage of condensation is connected with the inlet of the cold material of the first stage of condensation, and the outlet of the cold material of the first stage of condensation is sequentially connected with the inlet of the second regulating valve (3.2.2) -the check valve (3.2.3) -the gas compression device (4).
6. A gas water removal device according to claim 1, characterised in that said gas compression means (4) comprises a heater (4.1) and a membrane compressor (4.2); the freeze-drying device (3) is connected to the cold flow inlet of the heater (4.1), and the cold flow outlet of the heater (4.1) is connected to the membrane compressor (4.2) and then to the adsorption device (5).
7. The gas water removal device as defined in claim 1, wherein said adsorption unit (5) is an adsorption tower filled with adsorption packing.
8. The gas water removal plant as claimed in claim 7, wherein said adsorption unit (5) is a multi-stage adsorption column, the number of stages of adsorption column decreasing as the condensation temperature of the hot stream in the condenser decreases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123342742.7U CN216878641U (en) | 2021-12-23 | 2021-12-23 | Gas water removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123342742.7U CN216878641U (en) | 2021-12-23 | 2021-12-23 | Gas water removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216878641U true CN216878641U (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123342742.7U Active CN216878641U (en) | 2021-12-23 | 2021-12-23 | Gas water removing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216878641U (en) |
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2021
- 2021-12-23 CN CN202123342742.7U patent/CN216878641U/en active Active
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