CN104344056A - Molecular sieve valve system - Google Patents
Molecular sieve valve system Download PDFInfo
- Publication number
- CN104344056A CN104344056A CN201410568197.9A CN201410568197A CN104344056A CN 104344056 A CN104344056 A CN 104344056A CN 201410568197 A CN201410568197 A CN 201410568197A CN 104344056 A CN104344056 A CN 104344056A
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- Prior art keywords
- valve
- molecular sieve
- gas
- inlet pipe
- communicated
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Classifications
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- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The embodiment of the invention discloses a molecular sieve valve system which comprises a molecular sieve valve, an air cylinder driving the molecular sieve valve to act, a solenoid valve, a valve opening action air inlet pipe valve and a valve closing action air inlet pipe valve, wherein the solenoid valve is a four-way solenoid valve; a first air port of the four-way solenoid valve is communicated with an air source; a second air port is communicated with a valve opening stroke port of the air cylinder via a first air pipe; a third air port is communicated with an atmosphere; a fourth air port is communicated with a valve closing stroke port of the air cylinder via a second air pipe; one end of the valve opening action air inlet pipe valve is communicated with the first air pipe; and one end of the valve closing action air inlet pipe valve is communicated with the second air pipe. The molecular sieve valve system can reliably and quickly judge a solenoid valve fault or a mechanical fault, and can temporarily process the molecular sieve valve to complete switching action on the premise of temporary air source supply.
Description
Technical field
The present invention relates to sieve purification system technical field, more particularly, relate to a kind of molecular sieve valve system.
Background technique
Sieve purification system is used for carrying out purifying to air, the H in molecular sieve adsorption air
2o, C
2h
2, CO
2deng impurity, for air-separating plant provides dry, clean raw air.
As shown in Figure 1, molecular sieve valve 102 is a kind of bidirection air intake butterfly valves dragged by cylinder 101, the safe operation of the air separation facility that the fault of molecular sieve valve 102 directly affects.It is the main manifestations producing fault that molecular sieve valve 102 is failure to actuate, and the main cause that molecular sieve valve 102 is failure to actuate is because the solenoid valve 104 of source of the gas or control source of the gas has problem.
Molecular sieve valve is failure to actuate and first should be judged whether source of the gas ventilates, if do not have source of the gas first examine bright source of the gas interruption source and recover, it not the reason of source of the gas, manually use handle switch molecular sieve valve 102 again, check whether molecular sieve valve 102 blocks and cause being failure to actuate that (this some judgement can be subject to a definite limitation, manually differs and starts surely, judge whether source of the gas is delivered to correct also very crucial, namely switch source of the gas signal is incorrect), be also failure to actuate as molecular sieve valve 102 and reexamine solenoid valve 104.Common is exactly solenoid valve 104 fault.Judge how solenoid valve failure causes, solenoid valve 104 dead electricity or damage be confirmed to be.First check whether solenoid valve 104 has electricity, if power transmission interrupts just recovering power transmission, if power transmission rear electromagnetic valve is still not operating, just can judge that solenoid valve 104 damages.From checking that source of the gas can very long (40 ~ 70 minutes) to judging that solenoid valve 104 damages and changes time of solenoid valve 104, molecular sieve valve is failure to actuate and molecular sieve program can be made to stop, the working time of a molecular sieve will be increased, the load of molecular sieve will be increased the weight of.
Therefore, how reliably to judge solenoid valve failure or mechanical failure fast, and can under the prerequisite having interim source of the gas to supply, interim process molecular sieve valve, completes switching action, becomes the technical problem that those skilled in the art are urgently to be resolved hurrily.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of molecular sieve valve system, reliably to judge solenoid valve failure or mechanical failure fast, and can under the prerequisite having interim source of the gas to supply, interim process molecular sieve valve, completes switching action.
For achieving the above object, the invention provides following technological scheme:
A kind of molecular sieve valve system, comprising:
Molecular sieve valve;
Drive the cylinder of described molecular sieve valve event;
Solenoid valve, described solenoid valve is solenoid operated four-way valve, first gas port of described solenoid operated four-way valve is communicated with source of the gas, second gas port is communicated with the valve open stroke mouth of described cylinder by the first tracheae, 3rd gas port is communicated with air, 4th gas port is communicated with the valve closing stroke mouth of described cylinder by the second tracheae, when described solenoid valve is in the first working position, first gas port of described solenoid operated four-way valve is communicated with the second gas port, 3rd gas port is communicated with the 4th gas port, when described solenoid valve is in the second working position, second gas port of described solenoid operated four-way valve is communicated with the 3rd gas port, described first gas port is communicated with the 4th gas port,
The valve that one end is communicated with described first tracheae starts makes air inlet pipe valve;
The valve that one end is communicated with described second tracheae closes action air inlet pipe valve.
Preferably, in above-mentioned molecular sieve valve system, described valve starts to be made air inlet pipe valve and described valve to close action air inlet pipe valve is manually operated valve.
Preferably, in above-mentioned molecular sieve valve system, described valve starts to be made air inlet pipe valve and described valve to close action air inlet pipe valve is solenoid valve.
Preferably, in above-mentioned molecular sieve valve system, during described solenoid operated four-way valve energising, be in the first working position; During power-off, be in the second working position.
Preferably, in above-mentioned molecular sieve valve system, also comprise the source of the gas control switch valve be connected between described source of the gas and described solenoid operated four-way valve first gas port.
Preferably, in above-mentioned molecular sieve valve system, described source of the gas control switch valve is manually operated valve.
Preferably, in above-mentioned molecular sieve valve system, described source of the gas control switch valve is solenoid valve.
As can be seen from above-mentioned technological scheme, molecular sieve valve system provided by the invention, when there is not operating fault in molecular sieve valve, Open valve starts to be made air inlet pipe valve and valve and closes action air inlet pipe valve and observe which pipeline and have gas, determine whether source of the gas and judge solenoid valve whether action (switching signal send to have with switch gas source pipe gas phase corresponding), if all correctly just can judge that solenoid valve is no problem, can think molecular sieve valve mechanical failure, force external force to make its action, be still failure to actuate and just need parking maintenance.If signal and source of the gas is inconsistent just can be judged as that solenoid valve is not operating, then determine power-off or damage.At this moment can start and make air inlet pipe valve and valve and close action air inlet pipe valve external air source and make molecular sieve valve switch by force by valve opening door, etc. solenoid valve failure process or after changing, valve source of the gas returns to normal.
Advantage of the present invention is:
1. started by Open valve and make air inlet pipe valve and valve and close action air inlet pipe valve and just can judge valve solenoid valve whether fault, reliably can judge solenoid valve failure or mechanical failure fast;
2. judge whether it is the mechanical failure of molecular sieve valve in time, thus shorten the time of failure judgement;
3. start by valve after discovery solenoid valve failure and make air inlet pipe valve and valve and close action air inlet pipe valve and pass into source of the gas from outside, the problem that quick solution molecular sieve valve is not operating, for the fault treatment of solenoid valve and replacing gain time.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The system diagram of the molecular sieve valve system that Fig. 1 provides for prior art;
The system diagram of the molecular sieve valve system that Fig. 2 provides for the embodiment of the present invention.
Wherein, 101 is cylinder, and 102 is molecular sieve valve, and 103 is the second tracheae, and 104 is solenoid valve, and 105 is source of the gas control switch valve, and 106 is the first tracheae, and 107 make air inlet pipe valve for valve starts, and 108 is valve pass action air inlet pipe valve.
Embodiment
Core of the present invention is to provide a kind of molecular sieve valve system, reliably to judge solenoid valve failure or mechanical failure fast, and can under the prerequisite having interim source of the gas to supply, interim process molecular sieve valve, completes switching action.
Below, with reference to accompanying drawing, embodiment is described.In addition, the embodiment shown in below does not play any restriction effect to the summary of the invention described in claim.In addition, the solution that the full content of the formation below represented by embodiment is not limited to as the invention described in claim is necessary.
Refer to Fig. 2, the system diagram of the molecular sieve valve system that Fig. 2 provides for the embodiment of the present invention.
The molecular sieve valve system that the embodiment of the present invention provides, comprises molecular sieve valve 102, cylinder 101, solenoid valve 104, valve starts and make air inlet pipe valve 107 and valve closes action air inlet pipe valve 108.
Wherein, cylinder 101 for driving the action of molecular sieve valve 102, stretching out or retracting and realize the action of molecular sieve valve 102 namely by the piston rod of cylinder 101.
Solenoid valve 104 is solenoid operated four-way valve, first gas port of solenoid operated four-way valve is communicated with source of the gas, second gas port is communicated with the valve open stroke mouth of cylinder 101 by the first tracheae 106, and namely pass through the first tracheae 106 in cylinder 101 during air feed, cylinder 101 drives molecular sieve valve 102 to open.
3rd gas port of solenoid operated four-way valve is communicated with air, and the 4th gas port is communicated with the valve closing stroke mouth of cylinder 101 by the second tracheae 103, and namely pass through the second tracheae 103 in cylinder 101 during air feed, cylinder 101 drives molecular sieve valve 102 to close.
When solenoid valve 104 is in the first working position, the first gas port of solenoid operated four-way valve is communicated with the second gas port, and the 3rd gas port is communicated with the 4th gas port, and namely cylinder 101 drives molecular sieve valve 102 to open.When solenoid valve 104 is in the second working position, the second gas port of solenoid operated four-way valve is communicated with the 3rd gas port, and the first gas port is communicated with the 4th gas port, and cylinder 101 drives molecular sieve valve 102 to close.When specifically solenoid operated four-way valve can be energized, be designed to the first working position; During power-off, be designed to the second working position.It should be noted that, also can be designed to the second working position by during energising, power-off is designed to the first working position.
Valve starts the one end making air inlet pipe valve 107 and is communicated with the first tracheae 106, and one end that valve closes action air inlet pipe valve 108 is communicated with the second tracheae 103.
In the present invention one specific embodiment, also can comprise the source of the gas control switch valve 105 be connected between source of the gas and solenoid operated four-way valve first gas port, source of the gas control switch valve 105 can be manually operated valve, also can be solenoid valve.
Under molecular sieve valve 102 normal state, source of the gas control switch 105 is often opened, the gas of source of the gas passes through the first working position of solenoid valve 104, can along the first tracheae 106, enter the cavity opening cylinder 101, promote molecular sieve valve 102 and open, the gas in shifter cylinder 101 can along the second tracheae 103, by the first working position of solenoid valve 104, be disposed to air.
Molecular sieve valve 102 is closed, through second working position of source of the gas by solenoid valve 104, gas can along the second tracheae 103, enter the cavity of shifter cylinder 101, promote molecular sieve valve 102 to close, the gas opened in cylinder 101 along the first tracheae 106, through second working position of source of the gas by solenoid valve 104, can be disposed to air.
When not operating fault occurs molecular sieve valve 102, molecular sieve program needs molecular sieve valve 102 to open, and opens valve and starts and make air inlet pipe valve 107 and valve and close action air inlet pipe valve 108 and check.Valve starts to be made air inlet pipe valve 107 and has gas, then illustrate that valve solenoid valve is correct, source of the gas correct, can judge cylinder 101 and molecular sieve valve 102 mechanical failure, otherwise processed.
Valve closes action air inlet pipe valve 108 gas, then judge solenoid valve 104 fault, close source of the gas control switch valve 105, interim source of the gas access valve is started and makes air inlet pipe valve 107, gas along the first tracheae 106, can enter and open cylinder 101, promotes molecular sieve valve 102 and opens, gas in shifter cylinder along the second tracheae 103, can close action air inlet pipe valve 108 through valve and is disposed to air.
After molecular sieve valve 102 execution, throttle down starts makes air inlet pipe valve 107 and valve pass action air inlet pipe valve 108, the fault of process solenoid valve 104, recovers source of the gas control switch valve 105 and supplies gas; If valve starts and makes air inlet pipe valve 107 and valve and close action air inlet pipe valve 108 all not gas, then judge that source of the gas has problem, interim source of the gas access valve is started and makes air inlet pipe valve 107, gas can along the first tracheae 106, enter unlatching cylinder, promote molecular sieve valve 102 to open, gas in shifter cylinder can along the second tracheae 103, close action air inlet pipe valve 108 through valve and be disposed to air, make molecular sieve valve 102 execution, search the reason that source of the gas stops, after recovery, throttle down starts makes air inlet pipe valve 107 and valve pass action air inlet pipe valve 108.
Molecular sieve program needs molecular sieve valve 102 to close, and opens valve and starts and make air inlet pipe valve 107 and valve and close action air inlet pipe valve 108 and check.Valve closes action air inlet pipe valve 108 gas, then illustrate that solenoid valve 104 is correct, source of the gas is correct, can judge cylinder 101 and molecular sieve valve 102 mechanical failure, otherwise processed.
Valve starts to be made air inlet pipe valve 107 and has gas, then judge solenoid valve 104 fault, close source of the gas control switch valve 105, interim source of the gas access valve is closed action air inlet pipe valve 108, gas along the second tracheae 103, can enter unlatching cylinder, promotes molecular sieve valve 102 and opens, gas in shifter cylinder can along the first tracheae 106, starts make air inlet pipe valve 107 and be disposed to air through valve.
After molecular sieve valve 102 execution, throttle down starts makes air inlet pipe valve 107 and valve pass action air inlet pipe valve 108, process solenoid valve failure, recovers source of the gas control switch valve 105 and supplies gas; If valve starts and makes air inlet pipe valve 107 and valve and close action air inlet pipe valve 108 all not gas, then judge that source of the gas has problem, interim source of the gas access valve is closed action air inlet pipe valve 108, gas can along the second tracheae 103, enter unlatching cylinder, promote molecular sieve valve 102 to open, gas in shifter cylinder can along the first tracheae 106, start through valve and make air inlet pipe valve 107 and be disposed to air, make molecular sieve valve 102 execution, search the reason that source of the gas stops, after recovery, throttle down starts makes air inlet pipe valve 107 and valve pass action air inlet pipe valve 108.
When there is not operating fault in molecular sieve valve 102, Open valve starts to be made air inlet pipe valve 107 and valve and closes action air inlet pipe valve 108 and observe which pipeline and have gas, determine whether source of the gas and judge solenoid valve 104 whether action (switching signal send to have with switch gas source pipe gas phase corresponding), if all correctly just can judge that solenoid valve 104 is no problem, can think molecular sieve valve 102 mechanical failure, force external force to make its action, be still failure to actuate and just need parking maintenance.If signal and source of the gas is inconsistent just can be judged as that solenoid valve 102 is not operating, then determine power-off or damage.At this moment can start and make air inlet pipe valve 107 and valve and close action air inlet pipe valve 108 and make molecular sieve valve 102 switch by force by external air source by valve opening door, wait solenoid valve 104 fault treatment or after changing, valve source of the gas returns to normal.
Advantage of the present invention is:
1. started by Open valve and make air inlet pipe valve and valve and close action air inlet pipe valve and just can judge valve solenoid valve whether fault, reliably can judge solenoid valve failure or mechanical failure fast;
2. judge whether it is the mechanical failure of molecular sieve valve in time, thus shorten the time of failure judgement;
3. start by valve after discovery solenoid valve failure and make air inlet pipe valve and valve and close action air inlet pipe valve and pass into source of the gas from outside, the problem that quick solution molecular sieve valve is not operating, for the fault treatment of solenoid valve and replacing gain time.
In the present invention one specific embodiment, valve starts to be made air inlet pipe valve 107 and valve and closes action air inlet pipe valve 108 and can be manually operated valve, also can be solenoid valve.The present invention starts valve and makes air inlet pipe valve 107 and valve and close the concrete opening/shutting mode of action air inlet pipe valve 108 and do not limit, as long as can realize opening and closing.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a molecular sieve valve system, is characterized in that, comprising:
Molecular sieve valve (102);
Drive the cylinder (101) of described molecular sieve valve (102) action;
Solenoid valve (104), described solenoid valve (104) is solenoid operated four-way valve, first gas port of described solenoid operated four-way valve is communicated with source of the gas, second gas port is communicated with the valve open stroke mouth of described cylinder (101) by the first tracheae (106), 3rd gas port is communicated with air, 4th gas port is communicated with the valve closing stroke mouth of described cylinder (101) by the second tracheae (103), when described solenoid valve (104) is in the first working position, first gas port of described solenoid operated four-way valve is communicated with the second gas port, 3rd gas port is communicated with the 4th gas port, when described solenoid valve (104) is in the second working position, second gas port of described solenoid operated four-way valve is communicated with the 3rd gas port, described first gas port is communicated with the 4th gas port,
The valve that one end is communicated with described first tracheae (106) starts makes air inlet pipe valve (107);
The valve that one end is communicated with described second tracheae (103) closes action air inlet pipe valve (108).
2. molecular sieve valve system as claimed in claim 1, is characterized in that, described valve starts makes air inlet pipe valve (107) and described valve pass action air inlet pipe valve (108) is manually operated valve.
3. molecular sieve valve system as claimed in claim 1, is characterized in that, described valve starts makes air inlet pipe valve (107) and described valve pass action air inlet pipe valve (108) is solenoid valve.
4. molecular sieve valve system as claimed in claim 1, is characterized in that, during described solenoid operated four-way valve energising, is in the first working position; During power-off, be in the second working position.
5. the molecular sieve valve system as described in any one of claim 1-4, is characterized in that, also comprises the source of the gas control switch valve (105) be connected between described source of the gas and described solenoid operated four-way valve first gas port.
6. molecular sieve valve system as claimed in claim 5, it is characterized in that, described source of the gas control switch valve (105) is manually operated valve.
7. molecular sieve valve system as claimed in claim 5, it is characterized in that, described source of the gas control switch valve (105) is solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410568197.9A CN104344056A (en) | 2014-10-22 | 2014-10-22 | Molecular sieve valve system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410568197.9A CN104344056A (en) | 2014-10-22 | 2014-10-22 | Molecular sieve valve system |
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| Publication Number | Publication Date |
|---|---|
| CN104344056A true CN104344056A (en) | 2015-02-11 |
Family
ID=52500264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410568197.9A Pending CN104344056A (en) | 2014-10-22 | 2014-10-22 | Molecular sieve valve system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104344056A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105295964A (en) * | 2015-10-29 | 2016-02-03 | 山东钢铁股份有限公司 | Coke oven crude gas discharge control system and method |
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| US5928610A (en) * | 1998-04-28 | 1999-07-27 | Oxygen Generating Systems, Inc. | Oxygen generator |
| CN202087197U (en) * | 2011-01-21 | 2011-12-28 | 佛山市广顺电器有限公司 | Indoor air oxygenation purification system |
| CN103736364A (en) * | 2014-01-24 | 2014-04-23 | 天津市振津工程设计咨询有限公司 | Boost-buck system based on opening control of switch valve in molecular sieve drying |
| CN204176094U (en) * | 2014-10-22 | 2015-02-25 | 山东钢铁股份有限公司 | A kind of molecular sieve valve system |
-
2014
- 2014-10-22 CN CN201410568197.9A patent/CN104344056A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5928610A (en) * | 1998-04-28 | 1999-07-27 | Oxygen Generating Systems, Inc. | Oxygen generator |
| CN202087197U (en) * | 2011-01-21 | 2011-12-28 | 佛山市广顺电器有限公司 | Indoor air oxygenation purification system |
| CN103736364A (en) * | 2014-01-24 | 2014-04-23 | 天津市振津工程设计咨询有限公司 | Boost-buck system based on opening control of switch valve in molecular sieve drying |
| CN204176094U (en) * | 2014-10-22 | 2015-02-25 | 山东钢铁股份有限公司 | A kind of molecular sieve valve system |
Non-Patent Citations (1)
| Title |
|---|
| 胥波,闫伟东，孔繁魁，沈荣，田现德: "21000m3/h空分设备分子筛纯化系统故障分析及处理", 《深冷技术》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105295964A (en) * | 2015-10-29 | 2016-02-03 | 山东钢铁股份有限公司 | Coke oven crude gas discharge control system and method |
| CN105295964B (en) * | 2015-10-29 | 2018-10-30 | 山东钢铁股份有限公司 | A kind of coal oven dithio-gas diffuses control system and method |
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Application publication date: 20150211 |