CN105485386B - A kind of low-temperature reduced-pressure device - Google Patents
A kind of low-temperature reduced-pressure device Download PDFInfo
- Publication number
- CN105485386B CN105485386B CN201511026345.5A CN201511026345A CN105485386B CN 105485386 B CN105485386 B CN 105485386B CN 201511026345 A CN201511026345 A CN 201511026345A CN 105485386 B CN105485386 B CN 105485386B
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- Prior art keywords
- air inlet
- inlet pipe
- temperature
- shell
- low
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000005192 partition Methods 0.000 claims abstract description 29
- 239000011248 coating agent Substances 0.000 claims abstract description 14
- 238000000576 coating method Methods 0.000 claims abstract description 14
- 238000009413 insulation Methods 0.000 claims abstract description 10
- 238000001914 filtration Methods 0.000 claims description 14
- 206010008469 Chest discomfort Diseases 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 abstract description 11
- 238000004891 communication Methods 0.000 abstract description 4
- 230000007812 deficiency Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Fluid Pressure (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The present invention relates to a kind of low-temperature reduced-pressure device, solves the pressure reducer deficiency that ambient temperature is affected to the temperature of gas when in use for being applied to cryogenic gas in the prior art.A kind of low-temperature reduced-pressure device provided by the invention, air inlet pipe, escape pipe are provided on shell, it is enclosed with thermal insulation layer on air inlet pipe, escape pipe, efficiently reduce influence of the ambient temperature to gas temperature in air inlet pipe, escape pipe, optimize the performance of low-temperature reduced-pressure device, and the low temperature resistant coating being located on partition board is applied, influence of the cryogenic gas to partition board is efficiently reduced, the service life of partition board is extended；The temperature detector being arranged in air inlet pipe and the controller communication being arranged in air inlet pipe, controller control is located at the alarm in air inlet pipe, when the temperature of gas is less than controller set temperature, controller control alarm sends out alarm signal, and user is avoided unreasonably to use low-temperature reduced-pressure device.
Description
Technical field
The present invention relates to gas valve more particularly to a kind of low-temperature reduced-pressure devices.
Background technology
Valve is that gas conveys indispensable accessory, plays the role of controlling gas break-make, adjusts gas parameter.With
The rapid development of technology, use site are higher and higher to the parameter request of gas, such as the flow of gas, the pressure of gas, gas
Temperature etc., and then the requirement to valve performance is also higher and higher.
Cryogenic gas does not have dedicated pressure reducer in transmission process in the prior art, is all made of the replacement of steel pressure reducer,
Although steel pressure reducer is with good performance in use, the manufacture of steel pressure reducer is difficult, use cost is high；In addition existing
There is the pressure reducer in technology applied to cryogenic gas simple in structure, external environment influences the temperature of gas in gas transmission process
It is larger.
Invention content
A kind of low-temperature reduced-pressure device provided by the invention, it is intended to the pressure reducer for being applied to cryogenic gas in the prior art be overcome to exist
The deficiency that ambient temperature is affected to the temperature of gas when use.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：A kind of low-temperature reduced-pressure device, including shell,
The shell is equipped with air inlet pipe and an air outlet pipe, and high pressure chest and low pressure chamber, the high pressure chest and air inlet pipe are equipped in the shell
It communicates, the low pressure chamber is communicated with escape pipe, and the partition board for separating high pressure chest and low pressure chamber, the partition board are equipped in the shell
On be coated with low temperature resistant coating, the thickness of the low temperature resistant coating is not less than 1 millimeter, and the cross-sectional area of the high pressure chest is less than
The cross-sectional area of low pressure chamber, the shell are equipped with the step that is limited to partition board, be additionally provided in the shell control every
The diaphragm of plate, the diaphragm are linked together with partition board by connecting rod, are additionally provided on the shell and are adjusted gas in low pressure chamber
The adjusting screw rod of body pressure, offers the internal thread coordinated with adjusting screw rod on the shell, the adjusting screw rod and diaphragm it
Between be provided with spring；The air inlet pipe is threadedly attached on shell, is provided in the air inlet pipe to the gas in air inlet pipe
The first filtering body that body is filtered, the escape pipe are threadedly attached on shell, and second is provided in the escape pipe
Filtering body, the air inlet pipe, escape pipe outer wall on be enclosed with thermal insulation layer, detection air inlet pipe is further fixed in the air inlet pipe
The temperature detector of interior gas temperature is fixed with alarm in the air inlet pipe, controller, institute is further fixed in the air inlet pipe
Temperature detector and controller communication are stated, the alarm is controlled by controller.
In above-mentioned composition, it is enclosed with thermal insulation layer on air inlet pipe, escape pipe, efficiently reduces ambient temperature to gas
The influence of temperature optimizes the performance of low-temperature reduced-pressure device, and applies the low temperature resistant coating being located on partition board, efficiently reduces
Influence of the cryogenic gas to partition board, extends the service life of partition board；Temperature detector is set in air inlet pipe, temperature detector with
The controller communication being arranged in air inlet pipe, controller control are located at the alarm in air inlet pipe, when the temperature of gas is less than control
When device set temperature processed, controller control alarm sends out alarm signal, and user is avoided unreasonably to use low-temperature reduced-pressure device.
A kind of optional scheme, the adjusting screw rod upper end are fixed with convenient for the knob of rotation adjusting screw rod, the knob
On offer reticulation patterns, the depth of the reticulation patterns is 0.5 to 1 millimeter.It is more convenient that knob so that adjusting screw rod is adjusted,
And the friction coefficient of knob can be increased by being opened in the reticulation patterns on knob, avoid having skidded when technical staff's operation knob
Phenomenon.
A kind of optional scheme, the knob are plugged on adjusting screw rod, and inserted block, the adjusting are fixed on the knob
The slot coordinated with inserted block is offered on screw rod, the inserted block is an integral structure with knob.Knob is plugged on adjusting screw rod,
Technical staff can easily remove knob after adjusting, and avoid irrelevant personnel maloperation, optimize low-temperature reduced-pressure device
Performance.
A kind of optional scheme is additionally provided with the control valve of gas in cut-off air inlet pipe, the control valve in the air inlet pipe
It is controlled by controller.Control valve is controlled by controller, and when gas temperature is too low, controller controls control valve and closes, and avoids user
Low-temperature reduced-pressure device is unreasonably used, the service life of low-temperature reduced-pressure device is extended.
A kind of optional scheme, is provided with gasket between the air inlet pipe and shell, the gasket is bonded in air inlet
Guan Shang.By the way that gasket is arranged, the sealing performance of air inlet pipe and shell is improved, gas is avoided to leak.
Compared with prior art, a kind of low-temperature reduced-pressure device provided by the invention, has the following advantages that：Be provided on shell into
Tracheae, escape pipe are enclosed with thermal insulation layer on air inlet pipe, escape pipe, efficiently reduce ambient temperature to air inlet pipe, outlet
The influence of gas temperature in pipe optimizes the performance of low-temperature reduced-pressure device, and applies the low temperature resistant coating being located on partition board, effectively
Ground reduces influence of the cryogenic gas to partition board, extends the service life of partition board；The temperature detector being arranged in air inlet pipe
With the controller communication being arranged in air inlet pipe, controller control is located at the alarm in air inlet pipe, when the temperature of gas is less than
When controller set temperature, controller control alarm sends out alarm signal, and user is avoided unreasonably to use low-temperature reduced-pressure device；
In addition, the first filtering body being arranged in air inlet pipe, the second filtering body being arranged in outlet pipe are played and were carried out to gas
The effect of filter avoids the impurity in gas from damaging low-temperature reduced-pressure device, extends the service life of low-temperature reduced-pressure device.
Description of the drawings
Attached drawing 1 is a kind of front view of low-temperature reduced-pressure device of the present invention.
Specific implementation mode
Below in conjunction with the accompanying drawings, a kind of low-temperature reduced-pressure device of the present invention is described further.As shown in Figure 1, a kind of low temperature
Pressure reducer, including shell 1, the shell 1 are equipped with air inlet pipe 2 and escape pipe 3, and the air inlet pipe 2 communicates with air source, it is described go out
Tracheae 3 is used to the gas after pressure reducer depressurizes being transported to use site, and the air inlet pipe 2 is threadedly attached in shell 1
On, gasket 23 is provided between the air inlet pipe 2 and shell 1, the gasket 23 is bonded in air inlet pipe 2, the air inlet
The first filtering body 13 being filtered to the gas in air inlet pipe 2 is provided in pipe 2, the escape pipe 3 is threadedly attached in
On shell 1, gasket can also be set between certain escape pipe 3 and shell 1, to optimize the sealing performance of escape pipe 3 and shell 1,
The second filtering body 14 is provided in the escape pipe 3, the first filtering body 13, the second filtering body 14 are filtering in the prior art
Body, the first filtering body 13, the second filtering body 14 are preferentially configured using releasable connection, so that the first filtering body 13, the second mistake
Filter body 14 can be replaced easily, the air inlet pipe 2, escape pipe 3 outer wall on be enclosed with thermal insulation layer 15, thermal insulation layer 15 is
The structure made of heat-insulated plate in the prior art, the thermal insulation layer 15 can be bonded in air inlet pipe 2, on escape pipe 3；
As shown in Figure 1, being equipped with high pressure chest 4 and low pressure chamber 5 in the shell 1, the high pressure chest 4 is communicated with air inlet pipe 2, institute
It states low pressure chamber 5 to communicate with escape pipe 3, the partition board 6 for separating high pressure chest 4 and low pressure chamber 5, the partition board 6 is equipped in the shell 1
On be coated with low temperature resistant coating 7, the low temperature resistant coating 7 is the coating made from low temperature material in the prior art, described
The thickness of low temperature resistant coating 7 is not less than 1 millimeter, such as the thickness of low temperature resistant coating 7 is 2 millimeters, and the low temperature resistant coating 7 the thick then right
The protective value of partition board 6 is better, and the cost of certain partition board 6 is higher, and the cross-sectional area of the high pressure chest 4 is less than low pressure chamber
5 cross-sectional area, that is to say, that can form shoulder block in high pressure chest 4 and 5 separated place of low pressure chamber, the shell 1 be equipped with to every
The step 8 that plate 6 is limited, the step 8 are opened on shoulder block；
As shown in Figure 1, being additionally provided with the diaphragm 9 of control partition board 6 in the shell 1, the diaphragm 9 passes through with partition board 6 to be connect
Bar 10 links together, and connecting rod 10 can be fixed between diaphragm 9 and partition board 6 by bonding way, also be set on the shell 1
It is equipped with the adjusting screw rod 11 for adjusting gas pressure in low pressure chamber 5, the interior spiral shell coordinated with adjusting screw rod 11 is offered on the shell 1
Line is provided with spring 12 between the adjusting screw rod 11 and diaphragm 9,12 upper end of the spring is contacted with adjusting screw rod 11, spring
12 lower ends are contacted with diaphragm 9, and spring 12 is positioned by adjusting screw rod 11, diaphragm 9, when partition board 6 moves under gas pressure, every
Plate 6 is moved with dynamic diaphragm 9, and diaphragm 9 drives the compression of spring 12 or elongation, spring 12 that can play the role of compensation pressure fluctuation；
For the ease of rotating adjusting screw rod 11,11 upper end of the adjusting screw rod is fixed with convenient for the knob 19 of rotation adjusting screw rod 11, institute
It states and offers reticulation patterns on knob 19, the depth of the reticulation patterns is 0.5 to 1 millimeter, if the depth of reticulation patterns is 0.8
Millimeter, the knob 19 are plugged on adjusting screw rod 11, inserted block 20 are fixed on the knob 19, is opened on the adjusting screw rod 11
Equipped with the slot 21 coordinated with inserted block 20, the inserted block 20 is an integral structure with knob 19；
As shown in Figure 1, being further fixed on the temperature detector 16 of gas temperature in detection air inlet pipe 2, institute in the air inlet pipe 2
It states and is fixed with alarm 17 in air inlet pipe 2, controller 18 is further fixed in the air inlet pipe 2, alarm 17 and controller 18 are equal
It should be arranged outside thermal insulation layer 15, so that alarm 17, controller 18 are fixed conveniently, alarm 17, controller 18 can be by embracing
Hoop is fixed in air inlet pipe 2, and the temperature detector 16 is communicated with controller 18, and the alarm 17 is controlled by controller 18,
The temperature detector 16 can be communicated with controller 18 by way of wireless telecommunications, and the controller 18 can with alarm 17
It is communicated in a manner of by wireless telecommunications, the control valve 22 of gas in cut-off air inlet pipe 2 is additionally provided in the air inlet pipe 2, it is described
Control valve 22 is controlled by controller 18, and control valve 22 can be communicated with controller 18 by way of wireless telecommunications, when air inlet pipe 2
When interior gas temperature is too low, controller 18 controls control valve 22 and ends air inlet pipe 2, and low-temperature reduced-pressure is damaged to avoid cryogenic gas
Device.
When it is implemented, concatenating pressure reducer into gas pipeline, thermal insulation layer is enclosed on air inlet pipe 2, escape pipe 3
15, influence of the ambient temperature to gas temperature in air inlet pipe 2, escape pipe 3 is reduced, and be coated on the partition board 6 in pressure reducer
Low temperature resistant coating 7 reduces influence of the cryogenic gas to partition board 6, extends the service life of partition board 6；It is arranged in air inlet pipe 2
Temperature detector 16 and the controller 18 that is arranged in air inlet pipe 2 communicate, the control of controller 18 is located at the alarm in air inlet pipe 2
Device 17, when the temperature of gas is less than 18 set temperature of controller, controller 18 controls alarm 17 and sends out alarm signal, avoids
User unreasonably uses low-temperature reduced-pressure device, extends the service life of low-temperature reduced-pressure device.
It these are only the preferred embodiment of the present invention, it is intended to embody the protrusion technique effect and advantage of the present invention, not
It is the limitation to technical scheme of the present invention.Those skilled in the art will appreciate that all are based on the technology of the present invention content
Modification, variation or the substitute technology feature made should all be covered by the technology scope that appended claims of the present invention are advocated
It is interior.
Claims (1)
1. a kind of low-temperature reduced-pressure device, including shell (1), it is characterised in that：The shell (1) is equipped with air inlet pipe (2) and outlet
It manages (3), high pressure chest (4) and low pressure chamber (5) is equipped in the shell (1), the high pressure chest (4) communicates with air inlet pipe (2), described
Low pressure chamber (5) is communicated with escape pipe (3), and the partition board for separating high pressure chest (4) and low pressure chamber (5) is equipped in the shell (1)
(6), low temperature resistant coating (7) is coated on the partition board (6), the thickness of the low temperature resistant coating (7) is described not less than 1 millimeter
The cross-sectional area of high pressure chest (4) is less than the cross-sectional area of low pressure chamber (5), and the shell (1), which is equipped with, carries out partition board (6)
The step (8) of limit, the interior diaphragm (9) for being additionally provided with control partition board (6) of the shell (1), the diaphragm (9) are logical with partition board (6)
It crosses connecting rod (10) to link together, the adjusting screw rod for adjusting low pressure chamber (5) interior gas pressure is additionally provided on the shell (1)
(11), the internal thread with adjusting screw rod (11) cooperation, the adjusting screw rod (11) and diaphragm (9) are offered on the shell (1)
Between be provided with spring (12)；The air inlet pipe (2) is threadedly attached on shell (1), is provided in the air inlet pipe (2)
To the first filtering body (13) that the gas in air inlet pipe (2) is filtered, the escape pipe (3) is threadedly attached in shell
(1) be provided with the second filtering body (14) on, in the escape pipe (3), the air inlet pipe (2), escape pipe (3) outer wall on wrap
It is wrapped with thermal insulation layer (15), the temperature detector of detection air inlet pipe (2) interior gas temperature is further fixed in the air inlet pipe (2)
(16), it is fixed with alarm (17) on the air inlet pipe (2), controller (18), the temperature are further fixed on the air inlet pipe (2)
It spends detector (16) to communicate with controller (18), the alarm (17) is controlled by controller (18)；
Adjusting screw rod (11) upper end is fixed with convenient for the knob (19) of rotation adjusting screw rod (11),
Reticulation patterns are offered on the knob (19), the depth of the reticulation patterns is 0.5 to 1 millimeter；
The knob (19) is plugged on adjusting screw rod (11), and inserted block (20), the adjusting spiral shell are fixed on the knob (19)
The slot (21) with inserted block (20) cooperation is offered on bar (11), the inserted block (20) is an integral structure with knob (19)；
The control valve (22) of cut-off air inlet pipe (2) interior gas is additionally provided on the air inlet pipe (2), the control valve (22) is by controlling
Device (18) controls；
Gasket (23) is provided between the air inlet pipe (2) and shell (1), the gasket (23) is bonded in air inlet pipe (2)
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511026345.5A CN105485386B (en) | 2015-12-31 | 2015-12-31 | A kind of low-temperature reduced-pressure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511026345.5A CN105485386B (en) | 2015-12-31 | 2015-12-31 | A kind of low-temperature reduced-pressure device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105485386A CN105485386A (en) | 2016-04-13 |
| CN105485386B true CN105485386B (en) | 2018-08-17 |
Family
ID=55672561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511026345.5A Expired - Fee Related CN105485386B (en) | 2015-12-31 | 2015-12-31 | A kind of low-temperature reduced-pressure device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105485386B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523717A (en) * | 2016-12-26 | 2017-03-22 | 宁夏软件工程院有限公司 | Leakage preventing valve for electrolytic electroplating liquid sample testing |
| CN109519573B (en) * | 2018-12-20 | 2023-07-25 | 锦州安燃高能切割气有限公司 | Low temperature resistant pressure reducer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075536A (en) * | 2013-01-28 | 2013-05-01 | 江苏盐电阀门有限公司 | Low-temperature ball valve and control system thereof |
| CN104948823A (en) * | 2014-12-03 | 2015-09-30 | 佛山市云米电器科技有限公司 | Connector, water purifier and connector control method |
| CN104948765A (en) * | 2015-07-13 | 2015-09-30 | 苏州工业园区思达德阀门有限公司 | Cryogenic ball valve |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9407952U1 (en) * | 1994-05-13 | 1994-07-14 | ASV Stübbe GmbH & Co KG, 32602 Vlotho | Pressure control valve |
| CN2235540Y (en) * | 1995-08-14 | 1996-09-18 | 杨永祥 | Thin film type relief pressure valve |
| CN103727278A (en) * | 2013-12-05 | 2014-04-16 | 常熟市中凯仪表有限公司 | Gas pressure reducer |
| CN204573227U (en) * | 2015-04-27 | 2015-08-19 | 瑞立集团瑞安汽车零部件有限公司 | A kind of diaphragm type relief valve |
| CN205244516U (en) * | 2015-12-31 | 2016-05-18 | 平湖市瑞阳精密机械有限公司 | Low temperature -decreased pressure reducer |
-
2015
- 2015-12-31 CN CN201511026345.5A patent/CN105485386B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075536A (en) * | 2013-01-28 | 2013-05-01 | 江苏盐电阀门有限公司 | Low-temperature ball valve and control system thereof |
| CN104948823A (en) * | 2014-12-03 | 2015-09-30 | 佛山市云米电器科技有限公司 | Connector, water purifier and connector control method |
| CN104948765A (en) * | 2015-07-13 | 2015-09-30 | 苏州工业园区思达德阀门有限公司 | Cryogenic ball valve |
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| Publication number | Publication date |
|---|---|
| CN105485386A (en) | 2016-04-13 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A low temperature pressure reducer Effective date of registration: 20210916 Granted publication date: 20180817 Pledgee: Zhejiang Pinghu Rural Commercial Bank Co.,Ltd. Xindai sub branch Pledgor: PINGHU RUIYANG PRECISION MACHINERY Co.,Ltd. Registration number: Y2021330001648 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230328 Granted publication date: 20180817 Pledgee: Zhejiang Pinghu Rural Commercial Bank Co.,Ltd. Xindai sub branch Pledgor: PINGHU RUIYANG PRECISION MACHINERY Co.,Ltd. Registration number: Y2021330001648 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180817 |