CN103953853A - Device for balancing pressure fluctuation of liquid circulation loop - Google Patents
Device for balancing pressure fluctuation of liquid circulation loop Download PDFInfo
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- CN103953853A CN103953853A CN201410162292.9A CN201410162292A CN103953853A CN 103953853 A CN103953853 A CN 103953853A CN 201410162292 A CN201410162292 A CN 201410162292A CN 103953853 A CN103953853 A CN 103953853A
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- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 5
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Abstract
The invention relates to a method and a device for realizing pressure balance in real time, in particular to a device for balancing the pressure fluctuation of a liquid circulation loop. A pressure fluctuation balancing system is formed by connecting a pressure buffer and a gas buffer tank with a connection pipeline; the pressure buffer is arranged in an outer drum body and the integral structure of the pressure buffer comprises an inner corrugated pipe, an outer corrugated pipe, an inner shaft, a limiting mechanism, an outer container, a mirror surface structure and a displacement measuring system; the inner corrugated pipe and the outer corrugated pipe are connected by the inner shaft, so the motion displacement of the inner corrugated pipe can be transmitted to the outer corrugated pipe for realizing the sealing of the inner shaft; the gas buffer tank is connected to the gas side of the buffer by the connection pipeline so as to realize that the pressure at the gas side is kept instant. The device for balancing the pressure fluctuation of the liquid circulation loop has the characteristics of compact structure, convenient operation, high regulation precision, short pressure balancing time, stable pressure and the like. The device belongs to an efficient and feasible device for regulating the work pressure of the system of the closed liquid circulation loop.
Description
Technical field
The present invention relates to the pressure balanced method and apparatus of a kind of real-time implementation, espespecially a kind of device for the pressure surge of balancing liquid circulation loop.
Background technique
In enclosed liquid circulation loop system, the fluctuation of pressure is very large for the impact of system, usually have surge pressure up to ten times of normal operating pressure decades of times even, and then the phenomenon that causes the circulatory system to damage.Especially in cryogenic liquide closed circulation system, the variation of system heat load makes the temperature of cryogenic media change conventionally, and then causes periodic duty pressure significantly to fluctuate.For ensureing the normal stable operation of the circulatory system, need to carry out pressure adjusting to system, make periodic duty pressure keep within the specific limits constant.
For the adjusting of Normal Atmospheric Temperature Liquid circulation loop system pressure fluctuation, Chinese patent open source literature notification number is in CN201461614U, to have described a kind of device that adopts the pressure surge of spring regulator solution pressing system, it is characterized in that, the lower end of housing is fixed on the oil circuit of hydraulic system, two slide block cunnings fit in housing bore, spring is placed between two slide blocks, realizes the pressure balance of hydraulic system by the elastic movement of spring.But relating to some has the liquid of considerable influence to environment, can the quality of slide block sealability will have a strong impact on pressure buffer device and normally move.
Regulate for cryogenic liquide circulation loop system pressure fluctuation, conventional method is, in cryogenic liquide circulation loop system, Dewar is set, and the pressure that regulates to change the circulatory system by gas-liquid phase transition restores balance it.Particularly, be in Dewar, to install electric heater additional.In the time that the increase of system heat load causes cryogenic liquide temperature to raise and then occurs that pressure increases, by removing the power of a part of electric heater, in Dewar, a part of vapor condensation becomes liquid phase, thereby the pressure in Dewar is reduced, and the working pressure of cryogenic liquide circulation loop system reduces thereupon and returns to state of equilibrium.On the other hand, in the time that system heat load reduces to cause the temperature reduction of cryogenic liquide and then occurs that pressure reduces, by increasing the power of electric heater in Dewar, make the liquid-phase vaporization of a part in Dewar, thereby the working pressure of cryogenic liquide circulation loop system is increased thereupon and return to state of equilibrium.But there is certain deficiency in the method: the gas-liquid phase transition in Dewar regulates the mode of pressure, cannot realize accurate control, thereby degree of regulation is poor in the time realizing cryogenic liquide circulation loop system pressure fluctuation adjusting; And because the adjusting of electric heater capacity exists time lag, control hysteresis will cause that system pressure fluctuates acutely at short notice, is unfavorable for the stable operation of liquid circulation loop system; Although China Patent Publication No. is the detection device of mono-kind of the CN101620036A bellows volume displacement relation based on pressure balance type, the displacement of a kind of measuring bellow under a certain working pressure and the device of volume are disclosed, espespecially a kind of detection device of the bellows volume displacement relation based on pressure balance type of the measuring accuracy that can improve bellows volume and displacement, but this apparatus structure is comparatively complicated, exist obviously different from the method for measurement in the invention simultaneously.
Summary of the invention
In order to make up deficiency of the prior art, the present invention is intended to openly in a kind of circulation loop system that can be applied to Normal Atmospheric Temperature Liquid or cryogenic liquide, realize cubage compensation by the stretching of bellows or the situation of contraction, for regulating a kind of device for the pressure surge of balancing liquid circulation loop of pressure surge of liquid circulation loop system.
For achieving the above object, the technical solution used in the present invention is: a kind of device for the pressure surge of balancing liquid circulation loop, is characterized in that:
Described device is connected to form pressure surge balance sysmte by a pressure buffer by connecting pipeline and a gas buffer tank,
Described pressure buffer is installed in an outer cylinder body, its overall structure comprises inner corrugated pipe, outward corrugated tube, interior axle, position-limit mechanism, outer container, mirror surface structure and displacement measurement system, wherein, inner corrugated pipe, interior axle, position-limit mechanism are installed in outer container, between inner corrugated pipe and outward corrugated tube, be connected by interior axle, make the moving displacement of inner corrugated pipe can be passed to outward corrugated tube, outward corrugated tube is realized the sealing of interior axle; Described displacement measurement system comprises laser displacement sensor or linear variable difference transformer, described mirror surface structure is arranged on outer cylinder body end face, displacement transducer is arranged on mirror surface structure and just top is measured outward corrugated tube amount of deformation, the moving displacement of monitoring inner corrugated pipe is passed to the motion conditions of outward corrugated tube, thus the working state of real-time monitor force buffer; When normal work, liquid-working-medium will surround inner corrugated pipe and be full of the whole space of outer container, gassy medium inside inner corrugated pipe, and be connected to gas buffer tank by connecting pipeline;
Described gas buffer tank is a gas at normal temperature storage tank, is connected to the gas side of pressure buffer by connecting pipeline, keeps constant to realize the pressure of gas side.
Described position-limit mechanism comprises top dead center and lower dead center, by the deformation extent of upper and lower stop restriction inner corrugated pipe.
Described inner corrugated pipe can be welded bellows; Outward corrugated tube is welded bellows or moulding bellows.
Described displacement transducer is measured bellows amount of deformation, monitors the motion conditions of bellows by displacement transducer, thus the working state of real-time monitor force buffer.
Liquid-working-medium in described liquid circulation loop system is cryogenic liquide or Normal Atmospheric Temperature Liquid.
In described gas buffer tank, gas working dielectric is the gas of boiling point lower than working medium in liquid circulation loop system.
The enclosed cryogenic liquide circulation loop system that described liquid circulation loop system is connected to form by terminal use, dynamical element, control unit and the device for the pressure surge of balancing liquid circulation loop,
In the time that cryogenic liquide circulation loop is normally worked, if terminal use causes cryogenic liquide pressure surge because work produces heat load, the bellows of pressure buffer be subject to hydraulic fluid side and gas side unbalanced pressure effect and compressed or stretch, the volume of hydraulic fluid side is correspondingly compensated or compresses, thereby make the pressure of hydraulic fluid side return to balance pressure, realized thus the balance control of the pressure surge to cryogenic liquide circulation loop.
The outer container outside parcel thermoinsulation material of described pressure buffer does insulation, and outer container arranged outside is vacuum environment.
The enclosed Normal Atmospheric Temperature Liquid circulation loop system that described liquid circulation loop system is connected to form by executive component, dynamical element, control unit and the device for the pressure surge of balancing liquid circulation loop,
In the time that Normal Atmospheric Temperature Liquid circulation loop is normally worked, if executive component changes and then causes fluid pressure fluctuation because fill order makes the heat load of Normal Atmospheric Temperature Liquid, the bellows of pressure buffer be subject to hydraulic fluid side and gas side unbalanced pressure effect and compressed or stretch, the volume of hydraulic fluid side is correspondingly compensated or compresses, thereby make the pressure of hydraulic fluid side return to balance pressure, realized thus the balance control of the pressure surge to Normal Atmospheric Temperature Liquid circulation loop.
The invention has the beneficial effects as follows: a kind of device for the pressure surge of balancing liquid circulation loop of the present invention provides a kind of draw and shrink of the bellows that utilizes pressure buffer that the pressure surge of liquid-working-medium is passed to the gas medium in gas buffer tank, thereby realize the method and apparatus of liquid-working-medium pressure surge control, first the good sealability of bellows, can avoid liquid-working-medium to be polluted by gas medium, secondly auxiliary displacement measurement can show the motion conditions of bellows intuitively and accurately, can realize real-time monitoring; Moreover whole pressure buffer device is simple in structure, easy to operate; With respect to other pressure surge control devices, there is compact structure, the feature that easy to operate, degree of regulation is high, pressure balance time is short and stable, be a kind of efficient feasible device of general enclosed liquid circulation loop system regulating system working pressure.
Brief description of the drawings
Fig. 1 is the structural representation of pressure buffer device of the present invention;
Fig. 2 is the schematic diagram for cryogenic liquide closed cycle circuit system by pressure buffer device of the present invention;
Fig. 3 is the schematic diagram for Normal Atmospheric Temperature Liquid closed cycle circuit system by pressure buffer device of the present invention.
The explanation of accompanying drawing mark:
1-liquid inlet, 2-outer container, 3-position-limit mechanism, 4-inner corrugated pipe, axle in 5-, 6-outward corrugated tube, 7-outer cylinder body, 8-mirror surface structure, 9-displacement transducer, 10-liquid outlet, 11-connecting pipeline, 12-gas buffer tank.
Embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with accompanying drawing:
A kind of device for the pressure surge of balancing liquid circulation loop, described device is connected to form pressure surge balance sysmte by a pressure buffer by connecting pipeline 11 and a gas buffer tank 12, described pressure buffer is installed in an outer cylinder body, its overall structure comprises inner corrugated pipe 4, outward corrugated tube 6, interior axle 5, position-limit mechanism 3, outer container 2, mirror surface structure 8 and displacement measurement system, wherein, inner corrugated pipe 4, interior axle 5, position-limit mechanism 3 is installed in outer container 2, between inner corrugated pipe 4 and outward corrugated tube 6, be connected by interior axle 5, make the moving displacement of inner corrugated pipe 4 can be passed to outward corrugated tube 6, outward corrugated tube 6 is realized the sealing of interior axle 5, described displacement measurement system comprises laser displacement sensor 9 or linear variable difference transformer, described mirror surface structure 8 is arranged on outer cylinder body 7 end faces, displacement transducer 9 is arranged on mirror surface structure 8 and just top is measured bellows amount of deformation, the moving displacement of monitoring inner corrugated pipe 4 is passed to the motion conditions of outward corrugated tube 6, thus the working state of real-time monitor force buffer, when normal work, liquid-working-medium will surround inner corrugated pipe 4 and be full of the whole space of outer container 2, inner corrugated pipe 4 inner side gassy media, and be connected to gas buffer tank 12 by connecting pipeline 11, described gas buffer tank 12 is a gas at normal temperature storage tank, is connected to the gas side of pressure buffer by connecting pipeline 11, keeps constant to realize the pressure of gas side, described position-limit mechanism 3 comprises top dead center and lower dead center, by the deformation extent of upper and lower stop restriction inner corrugated pipe 4.
Described inner corrugated pipe 4 can be welded bellows; Outward corrugated tube 6 is welded bellows or moulding bellows, welded bellows is compared to moulding bellows, make trickle pressure change because its rigidity is less and can make bellows produce displacement, or the moving displacement of welded bellows is larger under same pressure changes, cubage compensation ability is larger and be convenient to the measurement of displacement, and the good seal performance of bellows fluid partitioning working medium and gas working medium effectively, thereby avoid the mutual pollution between gas-liquid.
Described displacement transducer 9 is measured bellows amount of deformation, monitors the motion conditions of bellows by displacement transducer 9, thus the working state of real-time monitor force buffer.
Working medium in described liquid circulation loop system is cryogenic liquide or Normal Atmospheric Temperature Liquid, and wherein cryogenic liquide can be liquid nitrogen, liquid oxygen, liquid argon, liquid hydrogen or LNG Liquefied natural gas; Normal Atmospheric Temperature Liquid can be water, wet goods; In described gas buffer tank 12, gas working dielectric is the gas of boiling point lower than working medium in liquid circulation loop system.
In the time that the working medium of liquid circulation loop system is cryogenic liquide, in described gas buffer tank 12, gas working dielectric is for boiling point is lower than the gas of adopted liquid-working-medium boiling point, for example, in the time that liquid-working-medium is liquid hydrogen, gas working dielectric can be helium, and boiling point is lower than the gas working medium of liquid hydrogen boiling point; In the time that liquid-working-medium is liquid nitrogen, gas working dielectric can be helium, hydrogen, and boiling point is lower than the gas working medium of liquid nitrogen boiling point; In the time that the working medium of liquid circulation loop system is Normal Atmospheric Temperature Liquid, in described gas buffer tank 12, gas working dielectric is common room temperature compressible gas; For example, when liquid-working-medium is oil, gas working dielectric can be helium, hydrogen, nitrogen, argon gas or air etc.
In the time normally working for the device of balancing liquid circulation loop pressure surge, liquid-working-medium is entered container and is full of by liquid inlet 1, flowed out by liquid outlet 10, described inner corrugated pipe 4 will be surrounded by liquid-working-medium, utilize the contraction of bellows and stretching to realize the adjusting of pressure surge, inner corrugated pipe 4 inner chamber gassy media, be connected with gas buffer tank 12 by connecting pipeline 11, described displacement measurement system, realized the measurement of bellows amount of deformation by displacement transducer 9, monitor the motion conditions of bellows by displacement transducer 9, thereby the working state of monitor force buffer in real time, in the time that the pressure of hydraulic fluid side raises, because gas side has connected gas buffer tank 12, the pressure of pressure buffer gas side is remained unchanged substantially, pressure difference between gas-liquid will make inner corrugated pipe 4 shrink, thereby the volume of hydraulic fluid side is compensated and makes the pressure of liquid reduce and then return to working pressure, and bellows reaches balance in new position, in the time that the pressure of hydraulic fluid side reduces, the pressure difference between gas-liquid will cause inner corrugated pipe 4 to stretch, and make the pressure increase of liquid and then will return to working pressure thereby the volume of hydraulic fluid side is compressed, the present invention utilizes contraction and the stretching of bellows, the pressure surge of hydraulic fluid side is passed to gas side, maintain the constant pressure of pressure buffer gas side by gas side being connected to a gas buffer tank 12, realize the control of fluid pressure fluctuation by changing the displacement of bellows.
embodiment one: a kind of use is for the cryogenic liquide closed circulation system of the device of balancing liquid circulation loop pressure surge.
The enclosed cryogenic liquide circulation loop system that described liquid circulation loop system is connected to form by terminal use, dynamical element, control unit and the device for the pressure surge of balancing liquid circulation loop, the wherein said device for the pressure surge of balancing liquid circulation loop is connected to form pressure surge balance sysmte by a pressure buffer by connecting pipeline 11 and a gas buffer tank 12, and the liquid-working-medium of the circulatory system is low temperature liquid hydrogen; Described pressure buffer is installed in an outer cylinder body 7, its overall structure comprises inner corrugated pipe 4, outward corrugated tube 6, interior axle 5, position-limit mechanism 3, outer container 2, mirror surface structure 8 and displacement measurement system, wherein, inner corrugated pipe 4, interior axle 5, position-limit mechanism 3 are installed in outer container 2, between inner corrugated pipe 4 and outward corrugated tube 6, be connected by interior axle 5, make the moving displacement of inner corrugated pipe 4 can be passed to outward corrugated tube 6, outward corrugated tube 6 is realized the sealing of interior axle 5; Described displacement measurement system comprises laser displacement sensor 9 or linear variable difference transformer, described mirror surface structure 8 is arranged on outer cylinder body 7 end faces, displacement transducer 9 is arranged on mirror surface structure 8 and just top is measured bellows amount of deformation, the moving displacement of monitoring inner corrugated pipe 4 is passed to the motion conditions of outward corrugated tube 6, thus the working state of real-time monitor force buffer; When normal work, liquid-working-medium will surround inner corrugated pipe 4 and be full of the whole space of outer container 2, inner corrugated pipe 4 inner side gassy media, and be connected to gas buffer tank 12 by connecting pipeline 11; Described gas buffer tank 12 is a gas at normal temperature storage tank, and the working medium in gas buffer tank 12 is helium, is connected to the gas side of pressure buffer by connecting pipeline 11, keeps constant to realize the pressure of gas side; In the time that cryogenic liquide circulation loop is normally worked, if terminal use causes cryogenic liquide pressure surge because work produces heat load, the bellows of pressure buffer be subject to hydraulic fluid side and gas side unbalanced pressure effect and compressed or stretch, the volume of hydraulic fluid side is correspondingly compensated or compresses, thereby make the pressure of hydraulic fluid side return to balance pressure, realized thus the balance control of the pressure surge to cryogenic liquide circulation loop.
embodiment two: a kind of use is for the Normal Atmospheric Temperature Liquid closed circulation system of the device of balancing liquid circulation loop pressure surge.
The enclosed Normal Atmospheric Temperature Liquid circulation loop system that described liquid circulation loop system is connected to form by executive component, dynamical element, control unit and the device for the pressure surge of balancing liquid circulation loop, the wherein said device for the pressure surge of balancing liquid circulation loop is connected to form pressure surge balance sysmte by a pressure buffer by connecting pipeline 11 and a gas buffer tank 12, and the liquid-working-medium of the circulatory system is normal temperature hydraulic oil; Described pressure buffer is installed in an outer cylinder body 7, its overall structure comprises inner corrugated pipe 4, outward corrugated tube 6, interior axle 5, position-limit mechanism 3, outer container 2, mirror surface structure 8 and displacement measurement system, wherein, inner corrugated pipe 4, interior axle 5, position-limit mechanism 3 are installed in outer container 2, between inner corrugated pipe 4 and outward corrugated tube 6, be connected by interior axle 5, make the moving displacement of inner corrugated pipe 4 can be passed to outward corrugated tube 6, outward corrugated tube 6 is realized the sealing of interior axle 5; Described displacement measurement system comprises laser displacement sensor 9 or linear variable difference transformer, described mirror surface structure 8 is arranged on outer cylinder body 7 end faces, displacement transducer 9 is arranged on mirror surface structure 8 and just top is measured bellows amount of deformation, the moving displacement of monitoring inner corrugated pipe 4 is passed to the motion conditions of outward corrugated tube 6, thus the working state of real-time monitor force buffer; When normal work, liquid-working-medium will surround inner corrugated pipe 4 and be full of the whole space of outer container 2, inner corrugated pipe 4 inner side gassy media, and be connected to gas buffer tank 12 by connecting pipeline 11; Described gas buffer tank 12 is a gas at normal temperature storage tank, and the working medium in gas buffer tank 12 is helium, is connected to the gas side of pressure buffer by connecting pipeline 11, keeps constant to realize the pressure of gas side; In the time that Normal Atmospheric Temperature Liquid circulation loop is normally worked, if executive component changes and then causes fluid pressure fluctuation because fill order makes the heat load of Normal Atmospheric Temperature Liquid, the bellows of pressure buffer be subject to hydraulic fluid side and gas side unbalanced pressure effect and compressed or stretch, the volume of hydraulic fluid side is correspondingly compensated or compresses, thereby make the pressure of hydraulic fluid side return to balance pressure, realized thus the balance control of the pressure surge to Normal Atmospheric Temperature Liquid circulation loop.
Structure in embodiment one and embodiment two is slightly different, during especially for cryogenic liquide working medium, pressure buffer need to do insulation, at pressure buffer outer container 2 outside wrapped multiple thermoinsulation materials, and set up the vacuum environment between outer container 2 outsides and outer cylinder body 7 inner sides, in addition, gas buffer tank 12 can be longer with the connecting pipeline 11 of pressure buffer gas side, to reduce the leakage heat of pressure buffer.
The above, it is only preferred embodiment of the present invention, not technical scope of the present invention is imposed any restrictions, the technician of the industry, under the inspiration of the technical program, can make some distortion and amendment, any amendment, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all still belong in the scope of technical solution of the present invention.
Claims (9)
1. for a device for balancing liquid circulation loop pressure surge, it is characterized in that:
Described device is connected to form pressure surge balance sysmte by a pressure buffer by connecting pipeline and a gas buffer tank,
Described pressure buffer is installed in an outer cylinder body, its overall structure comprises inner corrugated pipe, outward corrugated tube, interior axle, position-limit mechanism, outer container, mirror surface structure and displacement measurement system, wherein, inner corrugated pipe, interior axle, position-limit mechanism are installed in outer container, between inner corrugated pipe and outward corrugated tube, be connected by interior axle, make the moving displacement of inner corrugated pipe can be passed to outward corrugated tube, outward corrugated tube is realized the sealing of interior axle; Described displacement measurement system comprises laser displacement sensor or linear variable difference transformer, described mirror surface structure is arranged on outer cylinder body end face, displacement transducer is arranged on mirror surface structure and just top is measured bellows amount of deformation, the moving displacement of monitoring inner corrugated pipe is passed to the motion conditions of outward corrugated tube, thus the working state of real-time monitor force buffer; When normal work, liquid-working-medium will surround inner corrugated pipe and be full of the whole space of outer container, gassy medium inside inner corrugated pipe, and be connected to gas buffer tank by connecting pipeline;
Described gas buffer tank is a gas at normal temperature storage tank, is connected to the gas side of pressure buffer by connecting pipeline, keeps constant to realize the pressure of gas side.
2. a kind of device for the pressure surge of balancing liquid circulation loop according to claim 1, is characterized in that: described position-limit mechanism comprises top dead center and lower dead center, by the deformation extent of upper and lower stop restriction inner corrugated pipe.
3. a kind of device for the pressure surge of balancing liquid circulation loop according to claim 1, is characterized in that: described inner corrugated pipe can be welded bellows; Outward corrugated tube is welded bellows or moulding bellows.
4. a kind of device for the pressure surge of balancing liquid circulation loop according to claim 1, it is characterized in that: described displacement transducer is measured bellows amount of deformation, monitor the motion conditions of bellows by displacement transducer, thus the working state of real-time monitor force buffer.
5. a kind of device for the pressure surge of balancing liquid circulation loop according to claim 1, is characterized in that: the working medium in liquid circulation loop system is cryogenic liquide or Normal Atmospheric Temperature Liquid.
6. a kind of device for the pressure surge of balancing liquid circulation loop according to claim 1, is characterized in that: in described gas buffer tank, gas working dielectric is the gas of boiling point lower than working medium in liquid circulation loop system.
7. a kind of cryogenic liquide closed cycle circuit system of the device for the pressure surge of balancing liquid circulation loop described in a right to use requirement 1, it is characterized in that: the enclosed cryogenic liquide circulation loop system that the described circulatory system is connected to form by terminal use, dynamical element, control unit and the device for the pressure surge of balancing liquid circulation loop
In the time that cryogenic liquide circulation loop is normally worked, if terminal use causes cryogenic liquide pressure surge because work produces heat load, the bellows of pressure buffer be subject to hydraulic fluid side and gas side unbalanced pressure effect and compressed or stretch, the volume of hydraulic fluid side is correspondingly compensated or compresses, thereby make the pressure of hydraulic fluid side return to balance pressure, realize thus the balance control of the pressure surge to cryogenic liquide circulation loop, monitor the displacement of bellows by displacement transducer, can judge the working condition of pressure buffer.
8. a kind of Normal Atmospheric Temperature Liquid closed cycle circuit system of the device for the pressure surge of balancing liquid circulation loop described in a right to use requirement 1, it is characterized in that: the enclosed Normal Atmospheric Temperature Liquid circulation loop system that the described circulatory system is connected to form by executive component, dynamical element, control unit and the device for the pressure surge of balancing liquid circulation loop
In the time that Normal Atmospheric Temperature Liquid circulation loop is normally worked, if executive component changes and then causes fluid pressure fluctuation because fill order makes the heat load of Normal Atmospheric Temperature Liquid, the bellows of pressure buffer be subject to hydraulic fluid side and gas side unbalanced pressure effect and compressed or stretch, the volume of hydraulic fluid side is correspondingly compensated or compresses, thereby make the pressure of hydraulic fluid side return to balance pressure, realize thus the balance control of the pressure surge to Normal Atmospheric Temperature Liquid circulation loop, monitor the displacement of bellows by displacement transducer, can judge the working condition of pressure buffer.
9. according to a kind of device for the pressure surge of balancing liquid circulation loop described in claim 1 or 7, it is characterized in that: in the outer container outside of pressure buffer, parcel thermoinsulation material does insulation, and outer container arranged outside is vacuum environment.
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| CN106468322A (en) * | 2015-08-17 | 2017-03-01 | 天津海莱姆科技有限公司 | Heat exchange type fluid buffer |
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| CN109268686A (en) * | 2017-07-17 | 2019-01-25 | 国家电投集团科学技术研究院有限公司 | Constant-current stabilizer |
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| CN111287694A (en) * | 2020-02-05 | 2020-06-16 | 史先德 | Liquid balance type device |
| CN114081665A (en) * | 2021-10-22 | 2022-02-25 | 温州医科大学附属眼视光医院 | Pressure stabilizing system for accurately preparing ultrathin corneal endothelial implant |
| CN115930107A (en) * | 2022-11-14 | 2023-04-07 | 中国海洋石油集团有限公司 | Negative pressure slow release method and device for oil inlet vertical pipe of underground water sealed cave depot |
| CN117028197A (en) * | 2023-08-07 | 2023-11-10 | 烟台东德氢能技术有限公司 | Circulating liquid constant pressure difference circulating method |
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| CN109343103A (en) * | 2018-09-11 | 2019-02-15 | 东莞中子科学中心 | A kind of vacuum air-channel system for charged particle detection spectrometer vacuum target chamber |
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| CN114081665A (en) * | 2021-10-22 | 2022-02-25 | 温州医科大学附属眼视光医院 | Pressure stabilizing system for accurately preparing ultrathin corneal endothelial implant |
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| CN117028197A (en) * | 2023-08-07 | 2023-11-10 | 烟台东德氢能技术有限公司 | Circulating liquid constant pressure difference circulating method |
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