CN204502476U - A kind of gas-liquid separator for cryogenic liquid - Google Patents
A kind of gas-liquid separator for cryogenic liquid Download PDFInfo
- Publication number
- CN204502476U CN204502476U CN201520147823.7U CN201520147823U CN204502476U CN 204502476 U CN204502476 U CN 204502476U CN 201520147823 U CN201520147823 U CN 201520147823U CN 204502476 U CN204502476 U CN 204502476U
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- gas
- valve
- pilot valve
- knockout drum
- liquid
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Abstract
The utility model discloses a kind of gas-liquid separator for cryogenic liquid, comprise the knockout drum offering liquid-inlet and liquid outlet respectively, described knockout drum is communicated with breather pipe; Described breather pipe is communicated with source of the gas; Described breather pipe be provided with the pressure of induction knockout drum internal gas and liquid and produce pressure reduction, to control the pilot valve manipulation type Self-operated differential pressure regulaitng valve of gas flowing in described breather pipe.The utility model does not need external power supply, and applicable performance is stronger.
Description
Technical field
The utility model relates to a kind of gas-liquid separator for cryogenic liquid.
Background technology
In low-temperature deep liquefaction, cryogen storing field, sky divides and low temperature industry adopts vacuum tube form in Liquid transfer, ensure that the liquid gasification rate in transmitting procedure, product yield is guaranteed.
But when pipeline is long, the rate of gasification of liquid also can increase, so usually gas-liquid separator can be installed to get rid of gas in pipeline in pipeline in prior art.
And existing gas-liquid separator all adopts low-temperature solenoid valve to control, need external power supply, electric energy is needed to be drive energy, but in the erecting bed of vacuum tube, corresponding power supply unit is not set usually, when causing needing to use gas-liquid separator, needs are from other local power takings, use procedure is very inconvenient, thus causes the environment for use of gas-liquid separator limited, and serviceability is poor.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide one not need external power supply, the gas-liquid separator for cryogenic liquid that applicable performance is stronger.
For achieving the above object, the utility model provides following technical scheme: a kind of gas-liquid separator for cryogenic liquid, comprises the knockout drum offering liquid-inlet and liquid outlet respectively, and described knockout drum is communicated with breather pipe; Described breather pipe is communicated with source of the gas; Described breather pipe be provided with the pressure of induction knockout drum internal gas and liquid and produce pressure reduction, to control the pilot valve manipulation type Self-operated differential pressure regulaitng valve of gas flowing in described breather pipe.
By adopting technique scheme, the pressure of gas-liquid separation pot liquid and gas is responded to by pilot valve manipulation type Self-operated differential pressure regulaitng valve, and produce pressure differential, when pressure reduction is wherein higher than setting value, pilot valve manipulation type Self-operated differential pressure regulaitng valve is opened, and makes gas be filled with in knockout drum; And when pressure reduction is lower than setting value, pilot valve manipulation type Self-operated differential pressure regulaitng valve is closed, the pressure differential that closedown bleed pressure and discharge pilot valve manipulation type Self-operated differential pressure regulaitng valve are responded to, and so forth, and the pressure reduction in the knockout drum finally made equals setting value, thus reach the object of being discharged by excessive gas in pipeline, low-temperature solenoid valve is adopted to control the keying of breather pipe compared to prior art, need external power supply, the utility model can not need external power supply, makes its applicable performance stronger.
The utility model is set to further: described knockout drum is internally connected with two connecting pipes; The pressure of knockout drum internal gas and liquid responded to respectively by two described connecting pipes; Two described connecting pipes are all connected to pilot valve manipulation type Self-operated differential pressure regulaitng valve away from the end of knockout drum.
By adopting technique scheme, the pressure of gas-liquid separation pot liquid and the pressure of gas is responded to respectively by connecting pipe, and responded to pressure is passed to pilot valve manipulation type Self-operated differential pressure regulaitng valve, respond to the pressure in knockout drum and the object producing pressure reduction to realize pilot valve manipulation type Self-operated differential pressure regulaitng valve.
The utility model is set to further: described pilot valve manipulation type Self-operated differential pressure regulaitng valve comprises pilot valve film, pilot valve push rod, main spring and manual switch valve; The other end that two described connecting pipes are connected with knockout drum is all connected to pilot valve film; The two ends of described pilot valve push rod and main spring are connected to pilot valve film and manual switch valve respectively; Described main spring is surrounded on described pilot valve push rod.
By adopting technique scheme, when the pressure reduction of gas and liquid in pressure knockout drum is higher than setting pressure, the significant surface that its pressure differential acts on pilot valve film produces a thrust and drive the downward action of pilot valve push rod, manual switch valve is opened, in the knockout drum of external gas source introducing; And when the pressure reduction of gas and liquid in pressure knockout drum is lower than setting value, because the reaction force acts of main spring is in pilot valve push rod, make it move upward, manual switch valve resets and closes bleed pressure, to realize waving the motion that device manipulation type Self-operated differential pressure regulaitng valve controls gas in breather pipe.
The utility model is set to further: described breather pipe is provided with stop valve between pilot valve manipulation type Self-operated differential pressure regulaitng valve and knockout drum.
By adopting technique scheme, when needs are installed or change pilot valve manipulation type Self-operated differential pressure regulaitng valve, temporarily control the motion of gas in breather pipe by stop valve, make it reach the effect of control for subsequent use, Practical Performance is stronger.
The utility model is set to further: two described connecting pipes are provided with needle valve between pilot valve manipulation type Self-operated differential pressure regulaitng valve and knockout drum.
By adopting technique scheme, when needs are installed or change pilot valve manipulation type Self-operated differential pressure regulaitng valve or knockout drum, temporarily control the duty of connecting pipe by needle valve, make it reach the effect of control for subsequent use, strengthen Practical Performance of the present utility model further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model for the gas-liquid separator embodiment of cryogenic liquid;
Fig. 2 is the structural representation of the utility model for the gas-liquid separator embodiment pilot valve manipulation type Self-operated differential pressure regulaitng valve of cryogenic liquid.
Reference numeral: 1, knockout drum; 2, breather pipe; 3, pilot valve manipulation type Self-operated differential pressure regulaitng valve; 31, pilot valve film; 32, pilot valve push rod; 33, main spring; 34, manual switch valve; 4, connecting pipe; 5, stop valve; 6, needle valve.
Detailed description of the invention
Referring to figs. 1 through Fig. 2, the gas-liquid separator embodiment that the utility model is used for cryogenic liquid is described further.
As shown in Figure 1 to Figure 2, a kind of gas-liquid separator for cryogenic liquid, comprises the knockout drum 1 offering liquid-inlet and liquid outlet respectively, knockout drum 1 is communicated with breather pipe 2; Breather pipe 2 is communicated with source of the gas; Breather pipe 2 be provided with the pressure of induction knockout drum 1 internal gas and liquid and produce pressure reduction, to control the logical pilot valve manipulation type Self-operated differential pressure regulaitng valve 3 of gas flowing in breather pipe 2.
By adopting technique scheme, the pressure of liquid and gas in knockout drum 1 is responded to by logical pilot valve manipulation type Self-operated differential pressure regulaitng valve 3, and produce pressure differential, when pressure reduction is wherein higher than setting value, logical pilot valve manipulation type Self-operated differential pressure regulaitng valve 3 is opened, and makes gas be filled with in knockout drum 1; And when pressure reduction is lower than setting value, logical pilot valve manipulation type Self-operated differential pressure regulaitng valve 3 is closed, close bleed pressure and discharge the pressure differential of leading to pilot valve manipulation type Self-operated differential pressure regulaitng valve 3 and responding to, and so forth, and the pressure reduction in the knockout drum 1 finally made equals setting value, thus reach the object of being discharged by excessive gas in pipeline; Wherein knockout drum 1 is internally connected with two connecting pipes 4; The pressure of knockout drum 1 internal gas and liquid responded to respectively by two connecting pipes 4; Two connecting pipes 4 are all connected to logical pilot valve manipulation type Self-operated differential pressure regulaitng valve 3 away from the end of knockout drum 1, the pressure of liquid and the pressure of gas in knockout drum 1 is responded to respectively by connecting pipe 4, and responded to pressure is passed to logical pilot valve manipulation type Self-operated differential pressure regulaitng valve 3, respond to the pressure in knockout drum 1 to realize logical pilot valve manipulation type Self-operated differential pressure regulaitng valve 3 and produce the object of pressure reduction.Adopt low-temperature solenoid valve to control the keying of breather pipe 2 compared to prior art, need external power supply, the utility model can not need external power supply, makes its applicable performance stronger.
Wherein logical pilot valve manipulation type Self-operated differential pressure regulaitng valve 3 comprises pilot valve film 31, pilot valve push rod 32, main spring 33 and manual switch valve 34; The other end that two connecting pipes 4 are connected with knockout drum 1 is all connected to pilot valve film 31; The two ends of pilot valve push rod 32 and main spring 33 are connected to pilot valve film 31 and manual switch valve 34 respectively; Main spring 33 is surrounded on described pilot valve push rod 32, when the pressure reduction of gas and liquid in pressure knockout drum 1 is higher than setting pressure, the significant surface that its pressure differential acts on pilot valve film 31 produces a thrust and drive the downward action of pilot valve push rod 32, manual switch valve 34 is opened, in the knockout drum 1 of external gas source introducing; And when the pressure reduction of gas and liquid in pressure knockout drum 1 is lower than setting value, because the reaction force acts of main spring 33 is in pilot valve push rod 32, make it move upward, manual switch valve 34 resets and closes bleed pressure, to realize waving the motion that device manipulation type Self-operated differential pressure regulaitng valve controls gas in breather pipe 2.
Further, breather pipe 2 leads to and between pilot valve manipulation type Self-operated differential pressure regulaitng valve 3 and knockout drum 1, is provided with stop valve 5, when needs are installed or change logical pilot valve manipulation type Self-operated differential pressure regulaitng valve 3, the motion of gas in breather pipe 2 is temporarily controlled by stop valve 5, make it reach the effect of control for subsequent use, Practical Performance is stronger; Further two connecting pipes 4 lead to and be provided with needle valve 6 between pilot valve manipulation type Self-operated differential pressure regulaitng valve 3 and knockout drum 1, when logical pilot valve manipulation type Self-operated differential pressure regulaitng valve 3 or knockout drum 1 are installed or changed to needs, the duty of connecting pipe 4 is temporarily controlled by needle valve 6, make it reach the effect of control for subsequent use, strengthen Practical Performance of the present utility model further.
In above-mentioned detailed description of the invention, logical pilot valve manipulation type Self-operated differential pressure regulaitng valve 3 is preferably ZZHP-2 type pilot valve operation self-contained pressure regulator; Wherein required pressure difference is adjusted by the operation of the adjusting nut to logical pilot valve manipulation type Self-operated differential pressure regulaitng valve 3 top; Wherein main spring 33 affects the defect of intensity if any crackle etc., must renew; Each seal parts wherein in logical pilot valve manipulation type Self-operated differential pressure regulaitng valve 3 connects.
The above makes preferred embodiment of the present utility model, and under not departing from the prerequisite of the utility model principle for the person of ordinary skill of the art, can also make some modification and improvement, these also should be considered as protection domain of the present utility model.
Claims (5)
1. for a gas-liquid separator for cryogenic liquid, comprise the knockout drum offering liquid-inlet and liquid outlet respectively, described knockout drum is communicated with breather pipe; Described breather pipe is communicated with source of the gas; It is characterized in that: described breather pipe be provided with the pressure of induction knockout drum internal gas and liquid and produce pressure reduction, to control the pilot valve manipulation type Self-operated differential pressure regulaitng valve of gas flowing in described breather pipe.
2. the gas-liquid separator for cryogenic liquid according to claim 1, is characterized in that: described knockout drum is internally connected with two connecting pipes; The pressure of knockout drum internal gas and liquid responded to respectively by two described connecting pipes; Two described connecting pipes are all connected to pilot valve manipulation type Self-operated differential pressure regulaitng valve away from the end of knockout drum.
3. the gas-liquid separator for cryogenic liquid according to claim 2, is characterized in that: described pilot valve manipulation type Self-operated differential pressure regulaitng valve comprises pilot valve film, pilot valve push rod, main spring and manual switch valve; The other end that two described connecting pipes are connected with knockout drum is all connected to pilot valve film; The two ends of described pilot valve push rod and main spring are connected to pilot valve film and manual switch valve respectively; Described main spring is surrounded on described pilot valve push rod.
4. the gas-liquid separator for cryogenic liquid according to claim 1, is characterized in that: described breather pipe is provided with stop valve between pilot valve manipulation type Self-operated differential pressure regulaitng valve and knockout drum.
5. the gas-liquid separator for cryogenic liquid according to claim 2, is characterized in that: two described connecting pipes are provided with needle valve between pilot valve manipulation type Self-operated differential pressure regulaitng valve and knockout drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520147823.7U CN204502476U (en) | 2015-03-16 | 2015-03-16 | A kind of gas-liquid separator for cryogenic liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520147823.7U CN204502476U (en) | 2015-03-16 | 2015-03-16 | A kind of gas-liquid separator for cryogenic liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204502476U true CN204502476U (en) | 2015-07-29 |
Family
ID=53700480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520147823.7U Expired - Fee Related CN204502476U (en) | 2015-03-16 | 2015-03-16 | A kind of gas-liquid separator for cryogenic liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204502476U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11608937B2 (en) | 2020-01-30 | 2023-03-21 | Caterpillar Inc. | Separation and venting cryogenic liquid from vapor on a mobile machine |
-
2015
- 2015-03-16 CN CN201520147823.7U patent/CN204502476U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11608937B2 (en) | 2020-01-30 | 2023-03-21 | Caterpillar Inc. | Separation and venting cryogenic liquid from vapor on a mobile machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20160316 |