CN108584879A - Gas control valve open state monitoring device in PSA oxygenerators - Google Patents
Gas control valve open state monitoring device in PSA oxygenerators Download PDFInfo
- Publication number
- CN108584879A CN108584879A CN201810771101.7A CN201810771101A CN108584879A CN 108584879 A CN108584879 A CN 108584879A CN 201810771101 A CN201810771101 A CN 201810771101A CN 108584879 A CN108584879 A CN 108584879A
- Authority
- CN
- China
- Prior art keywords
- close
- switch
- outer housing
- control valve
- gas control
- 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.)
- Pending
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0229—Purification or separation processes
- C01B13/0248—Physical processing only
- C01B13/0259—Physical processing only by adsorption on solids
Abstract
Gas control valve open state monitoring device in a kind of PSA oxygenerators, it is related to PSA oxygenerator devices, equipped with outer housing, outer housing is equipped be located on the inside of outer housing first close to switching with second close to switch, and first close to switching positioned at second close to switch front side, and outer housing is interior to be put equipped with aerodynamic wind, when airless passes through in outer housing, aerodynamic wind pendulum is located at first close in inductive switching region, and when having in outer housing compared with air blast, aerodynamic wind pendulum is located at second close in inductive switching region；First is connected close to switch and the second close switch with controller, can detect and show the state of the first close switch and the second close switch in real time.It is the configuration of the present invention is simple, of low cost, it can promptly and accurately monitor the open state of gas control valve in PSA oxygenerators.
Description
Technical field
The present invention relates to PSA oxygenerator devices, it is a kind of of simple structure and low cost to elaborate, and can promptly and accurately be monitored
Gas control valve open state monitoring device in the PSA oxygenerators of the open state of gas control valve in PSA oxygenerators.
Background technology
It is known that the adsorption tower of PSA oxygenerators especially PSA oxygenerators, needs many gas control valves to control its oxygen
Gas separation process, any one valve break down, and can influence the runnability of complete equipment.Because as long as there are one gases
Control valve breaks down, and can all interfere the Function of other gas control valves.In use, there are factors that can cause
Gas control valve break down or cause gas control valve can not it is normally-open or close, at this point, the production oxygen purity of PSA oxygenerators
It will be severely impacted with oxygen-producing amount.In addition, the air cleaning system of PSA oxygenerators is to control its blowdown by more than ten groups of blowdown valves
Process, in the state of being not turned on monitoring is closed, if some blowdown valve breaks down, grease, dirt in compressed air
Angstrom equal mixtures will return in compressed air, and it is impaired to eventually lead to volume zeolite molecular sieve in adsorption tower, PSA oxygenerators
Therefore oxygen performance processed will decline, but the system equipment of PSA oxygenerators is still continuing to run with.This state is PSA oxygenerators
The one of the major reasons that the universal too short, runnability of service life reduces quickly.Existing PSA oxygenerators, work as gas control valve
It can not be found in time when failure, only when operation troubles occur in PSA oxygenerator function degradations or system equipment
It could be realized, seriously affect PSA oxygenerators runnability or and service life.
Invention content
Present invention aim to address above-mentioned the deficiencies in the prior art, provide it is a kind of of simple structure and low cost, can be timely
Gas control valve open state in accurate measurements PSA oxygenerators avoids due to gas control valve breaks down PSA oxygenerators still
In the gas control valve open state monitoring device continued to run with.
Technical solution is used by the present invention solves above-mentioned the deficiencies in the prior art：
Gas control valve open state monitoring device in a kind of PSA oxygenerators is equipped with outer housing, it is characterised in that set on outer housing
There is first on the inside of outer housing to be located at second close to before switch close to switch close to switch, first close to switch and second
Side, interior be equipped with of outer housing is put close to switch and second close to the matched aerodynamic wind of switch with first, when airless in outer housing
By when, aerodynamic wind pendulum is located at first close in inductive switching region, and when having in outer housing compared with air blast, aerodynamic wind pendulum is located at
Second close in inductive switching region.First is connected close to switch with controller close to switch and second, and controller is usually used
The controller of the device systems of PSA oxygenerators can in real time be detected by the controller of PSA oxygenerators and show first close to switch
With the state of the second close switch.
Heretofore described first partly overlaps close to switch and second close to the induction region of switch；When in outer housing
Airless by when, aerodynamic wind pendulum is located at first close in inductive switching region, when there is weaker air-flow in outer housing, aerodynamic wind
Pendulum is located in the induction region that first overlaps close to switch and second close to switch, when having in outer housing compared with air blast,
Aerodynamic wind pendulum is located at second close in inductive switching region.
In a tubular form, outer housing both ends are equipped with to be connected with gas piping in PSA oxygenerators heretofore described outer housing
Connector, the described first close switch and the second close central position for switching the side wall across outer housing, being located on the downside of outer housing
It sets.
Heretofore described first is proximity Hall switch close to switch and second close to switch, and aerodynamic wind, which is laid out, to be equipped with
With the matched magnetic detected member of proximity Hall switch.
Heretofore described aerodynamic wind pendulum is that outer housing upper inner wall is equipped with wobble line, and wobble line lower end is equipped with tested
Survey part.Can also be to be hinged with strip in outer housing upper inner wall to swing piece, it is to approach to open with first that strip, which swings piece,
It closes and second swings on piece and be equipped with and opened with first close to switch and second are close close to the detected member or strip of switch cooperation
Close the detected member of cooperation.It is described by detected member be spherical shape magnetic bodies.
The present invention is in use, outer housing is serially connected in the pipeline on rear side of gas control valve, the first close switch and second
It is connected close to switch with controller.When gas control valve is opened, air-flow can be put by outer housing, aerodynamic wind under the action of air-flow
It is swung close to inductive switching region and second close in inductive switching region first, such as only second sends out close to switch（Contact）
Signal, gas control valve work are opened normal；As the first close switch is sent out（Contact）Signal or the first close switch and second
It is all sent out close to switch（Contact）Signal, gas control valve open failure；When gas control valve is closed, the such as only first close switch
It sends out（Contact）Signal, gas control valve are working properly；As the second close switch is sent out（Contact）Signal or the first close switch
It is all sent out close to switch with second（Contact）Signal, gas control valve closing fault.Testing result is transferred to PSA systems by controller
The computerized control system of oxygen machine is handled, computer display screen prompt " normally-open " of pneumatic control valve, " normal switching-off ", "
Open failure " or " closing fault " four kinds of states.It is the configuration of the present invention is simple, of low cost, it can promptly and accurately monitor PSA oxygenerators
Whether middle gas control valve is in normally-open or is in Normal Shutdown state, avoids to the production oxygen purity of PSA oxygenerators and production
Oxygen amount generates harmful effect.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Specific implementation mode
Gas control valve open state monitoring device in PSA oxygenerators as shown in Figure 1 is equipped with outer housing 2 in a tubular form,
2 both ends of outer housing, which are equipped with, to be equipped with the connector that gas piping is connected in PSA oxygenerators, outer housing 2 on the inside of outer housing
First is located at second close to 5 front side of switch close to switch 7 and second close to switch 5, first close to switch 7；It can from figure
Go out, first close to switch and second close to the middle position for switching the side wall across outer housing, being located on the downside of outer housing, and first connects
The sensing head of nearly switch 7 and second close to switch 5 is located on the inside of outer housing.When outer housing accesses the gas piping of PSA oxygenerators,
Gas inlet side is front side.It is equipped in outer housing and is put close to switch 7 and second close to 5 matched aerodynamic wind of switch with first,
Described first is proximity Hall switch close to switch and second close to switch, and aerodynamic wind pendulum is：First close switch
The outer housing upper inner wall of top is equipped with wobble line 3, and 3 lower end of wobble line is equipped with and the first close switch and the second close switch
The detected member 4 of cooperation is detected the magnetic bodies that 4 are spherical shape.Aerodynamic wind pendulum can also be interior above outer housing
It is hinged with strip on wall and swings piece, strip swings piece to be detected close to switch and second close to what switch coordinated with first
Part or strip swing on piece equipped with the detected member coordinated close to switch and second close to switch with first.When in outer housing
Airless by when, detected member that aerodynamic wind is laid out is located at first close in inductive switching region, relatively strong when having in outer housing
Air-flow（Flow or flow velocity are higher, can meet work requirements）When, the detected member of aerodynamic wind pendulum is located at second close to switch sense
It answers in region.First is connected close to switch with controller 6 close to switch and second, and controller is set usually using PSA oxygenerators
PLC controller also can be selected in the controller of standby system, controller 6, can detect in real time and show that first connects close to switch and second
The state closely switched.
The present invention is further improved, and described first partly overlaps close to switch and second close to the induction region of switch；
When in outer housing airless by when, aerodynamic wind is put detected member and is located at first close in inductive switching region, when in outer housing
There is weaker air-flow（Flow or flow velocity are low）When, it is mutual close to switch and second close to switching positioned at first that aerodynamic wind puts detected member
In the induction region of coincidence, when having compared with air blast in outer housing（Flow or flow velocity are higher, can meet work requirements）When, pneumatically
Wind puts detected member and is located at second close in inductive switching region.Judge gas control valve whether normal switching-off and open it is more smart
It is accurate.
The present invention is in use, outer housing is serially connected in the pipeline of the rear side of gas control valve 1, and first close to switch 7 and the
Two are connected close to switch 5 with controller 6.When gas control valve 1 is opened, air-flow can be put by outer housing, aerodynamic wind in air-flow
It is swung close to inductive switching region and second close in inductive switching region first under effect, such as only second sends out close to switch
（Contact）Signal, gas control valve work are opened normal；As the first close switch is sent out（Contact）Signal or the first close switch
It is all sent out close to switch with second（Contact）Signal, gas control valve open failure；When gas control valve is closed, such as only first connect
Nearly switch is sent out（Contact）Signal, gas control valve are working properly；As the second close switch is sent out（Contact）Signal first connects
Nearly switch and second is all sent out close to switch（Contact）Signal, gas control valve closing fault.Controller transmits testing result
It is handled to the computerized control system of SA oxygenerators, computer display screen prompts " normally-open " of pneumatic control valve, " normal pass
Close ", " open failure " or " closing fault " four kinds of states.It is the configuration of the present invention is simple, of low cost, it can promptly and accurately monitor PSA
Whether gas control valve is in normally-open or is in Normal Shutdown state in oxygenerator, avoids to production oxygen purity and oxygen-producing amount production
Raw harmful effect.
Claims (5)
1. gas control valve open state monitoring device in a kind of PSA oxygenerators is equipped with outer housing, it is characterised in that on outer housing
It is located at second close to before switch close to switch close to switch, first close to switch and second equipped with first on the inside of outer housing
Side, interior be equipped with of outer housing is put close to switch and second close to the matched aerodynamic wind of switch with first, when airless in outer housing
By when, aerodynamic wind pendulum is located at first close in inductive switching region, and when having in outer housing compared with air blast, aerodynamic wind pendulum is located at
Second close in inductive switching region.
2. gas control valve open state monitoring device in PSA oxygenerators according to claim 1, it is characterised in that described
First close to switch and second close to switch induction region partly overlap；When in outer housing airless by when, aerodynamic wind
Pendulum is located at first close in inductive switching region, and when there is weaker air-flow in outer housing, aerodynamic wind pendulum is located at first close to switch
In the induction region to overlap close to switch with second, when having in outer housing compared with air blast, aerodynamic wind pendulum connects positioned at second
In nearly inductive switching region.
3. gas control valve open state monitoring device in PSA oxygenerators according to claim 1 or 2, it is characterised in that
In a tubular form, outer housing both ends are equipped with and are connect with the connector that gas piping is connected in PSA oxygenerators, described first outer housing
Nearly switch and the second close middle position for switching the side wall across outer housing, being located on the downside of outer housing.
4. gas control valve open state monitoring device in PSA oxygenerators according to claim 3, it is characterised in that described
First close to switch and second close to switch be proximity Hall switch, aerodynamic wind is laid out equipped with being matched with proximity Hall switch
Magnetic detected member.
5. gas control valve open state monitoring device in PSA oxygenerators according to claim 4, it is characterised in that described
Aerodynamic wind pendulum be outer housing upper inner wall be equipped with wobble line, wobble line lower end be equipped with detected member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810771101.7A CN108584879A (en) | 2018-07-13 | 2018-07-13 | Gas control valve open state monitoring device in PSA oxygenerators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810771101.7A CN108584879A (en) | 2018-07-13 | 2018-07-13 | Gas control valve open state monitoring device in PSA oxygenerators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108584879A true CN108584879A (en) | 2018-09-28 |
Family
ID=63618339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810771101.7A Pending CN108584879A (en) | 2018-07-13 | 2018-07-13 | Gas control valve open state monitoring device in PSA oxygenerators |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108584879A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4150721A (en) * | 1978-01-11 | 1979-04-24 | Norwood William L | Gas well controller system |
| US4697962A (en) * | 1985-08-02 | 1987-10-06 | Coalair Systems Limited Partnership | Control system for a continuous process venturi accelerated pneumatic pump |
| US5858063A (en) * | 1997-06-03 | 1999-01-12 | Litton Systems, Inc. | Oxygen concentrator with beds' duty cycle control and self-test |
| KR20010064384A (en) * | 1999-12-29 | 2001-07-09 | 김형국 | Test device for burner control circuit |
| CN105268537A (en) * | 2015-11-18 | 2016-01-27 | 河南黎明重工科技股份有限公司 | Control system for pneumatic discharge valve of flour mill |
| CN206812189U (en) * | 2017-04-06 | 2017-12-29 | 唐山贺祥机电股份有限公司 | The pneumatic pressure slurry device of high-pressure forming machine |
| CN207527108U (en) * | 2017-10-31 | 2018-06-22 | 河南中烟工业有限责任公司 | It is a kind of can distant surveillance state operated pneumatic valve |
| CN208791181U (en) * | 2018-07-13 | 2019-04-26 | 威海威高海盛医用设备有限公司 | Gas control valve open state monitoring device in PSA oxygenerator |
-
2018
- 2018-07-13 CN CN201810771101.7A patent/CN108584879A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4150721A (en) * | 1978-01-11 | 1979-04-24 | Norwood William L | Gas well controller system |
| US4697962A (en) * | 1985-08-02 | 1987-10-06 | Coalair Systems Limited Partnership | Control system for a continuous process venturi accelerated pneumatic pump |
| US5858063A (en) * | 1997-06-03 | 1999-01-12 | Litton Systems, Inc. | Oxygen concentrator with beds' duty cycle control and self-test |
| KR20010064384A (en) * | 1999-12-29 | 2001-07-09 | 김형국 | Test device for burner control circuit |
| CN105268537A (en) * | 2015-11-18 | 2016-01-27 | 河南黎明重工科技股份有限公司 | Control system for pneumatic discharge valve of flour mill |
| CN206812189U (en) * | 2017-04-06 | 2017-12-29 | 唐山贺祥机电股份有限公司 | The pneumatic pressure slurry device of high-pressure forming machine |
| CN207527108U (en) * | 2017-10-31 | 2018-06-22 | 河南中烟工业有限责任公司 | It is a kind of can distant surveillance state operated pneumatic valve |
| CN208791181U (en) * | 2018-07-13 | 2019-04-26 | 威海威高海盛医用设备有限公司 | Gas control valve open state monitoring device in PSA oxygenerator |
Non-Patent Citations (1)
| Title |
|---|
| 刘宝霞;赵弘;: "基于LabVIEW的石油固井作业气动控制系统设计", 液压与气动, no. 01 * |
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