CN104502075B - The method of the detection steam electromagnetic valve of safety - Google Patents
The method of the detection steam electromagnetic valve of safety Download PDFInfo
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- CN104502075B CN104502075B CN201410726908.0A CN201410726908A CN104502075B CN 104502075 B CN104502075 B CN 104502075B CN 201410726908 A CN201410726908 A CN 201410726908A CN 104502075 B CN104502075 B CN 104502075B
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Abstract
The present invention discloses a kind of method of safe detection steam electromagnetic valve, including pond, boiler, the first stand and the second stand；Pressure sensor one and temperature sensor one are provided between the boiler and the first stand；First stand includes pressure sensor two and temperature sensor two；Second stand includes pressure sensor three and temperature sensor three；First stand connects cooling air by cooling down magnetic valve one, and second stand connects cooling air by cooling down magnetic valve two；The pond connects the first stand and the second stand by magnetic valve three and magnetic valve four respectively；The pond also connects the first stand and the second stand by relief valve one and relief valve two.The present invention can carry out the detection and experiment of each side, in order to sustained improvement, it is ensured that the quality of product in the case of personal security is ensured to steam electromagnetic valve.
Description
Technical field
The present invention relates to magnetic valve detection technique field, more particularly to a kind of method of safe detection steam electromagnetic valve.
Background technology
The present situation of high-temperature solenoid valve is that difficulty of test is big, and high-temperature medium has great potential safety hazard to producers, has
Factory type approval test is not done to product under high-temperature medium to steam electromagnetic valve, only detected at normal temperatures, then
The problem of quality stability occur, is mainly manifested in during use because high temperature (and effect of pressure) causes seal such as to become
Shape, coil burnout, magnetic valve is not opened, or is closed and do not lived, and the problems such as leakage, therefore the detection mode of prior art has huge lack
Fall into.
The content of the invention
(1) technical problem to be solved
Present invention aim to overcome disadvantages mentioned above, it is desirable to provide a kind of side of safe detection steam electromagnetic valve
Method.
(2) technical scheme
To solve the above problems, the present invention proposes a kind of method of safe detection steam electromagnetic valve, including pond, pot
Stove, the first stand and the second stand；Pressure sensor one and temperature sensor one are provided between the boiler and the first stand；Institute
Stating the first stand includes pressure sensor two and temperature sensor two；Second stand includes pressure sensor three and temperature is passed
Sensor three；First stand connects cooling air by cooling down magnetic valve one, and second stand is by cooling down magnetic valve two
Connect cooling air；The pond connects the first stand and the second stand by magnetic valve three and magnetic valve four respectively；The water
Pond also connects the first stand and the second stand by relief valve one and relief valve two.
Further, the system also includes console, and the console is made up of electrical control mechanism and touch-screen.
Further, the system also includes explosion-proof gate inhibition mechanism, and explosion-proof gate inhibition mechanism is made up of protective door and implosion guard wall.
The present invention also provides a kind of detection method of steam electromagnetic valve, comprises the following steps
Boiler is opened, console measures boiler discharge pressure and temperature by pressure sensor one and temperature sensor one,
Whether the pressure needed for test meets test request with temperature；
Explosion-proof gate inhibition's body function is opened, INHIBITORY-gate is opened；
Under conditions of boiler temperature and pressure meet test request, the stand according to where measured piece is opened corresponding
Magnetic valve, the corresponding relief valve of closing, the corresponding cooling valve of closing；
Alternately export and the power supply of the tested magnetic valve of cut-out carrys out the tested magnetic valve of ON/OFF, and monitor the pressure on and off
Power, such as under open state, pressure, which does not decline, then judges that tested magnetic valve opens failure, and test stops；Equally in tested electromagnetism
Under valve closed mode, such as monitor pressure and decline larger, then judge that tested magnetic valve sealing is bad, when two above situation occurs
All judge that tested magnetic valve is unqualified, test stops, wherein the opening time of tested magnetic valve can be set, be tested magnetic valve
Shut-in time can also be set；
The underproof situation of magnetic valve is reached or detects in testing time, test stops, the tested magnetic valve electricity of cut-out
Source, closes magnetic valve, opens relief valve and carries out pressure release, venting duration is settable or goes judgement to need pressure release end point with pressure,
After venting duration reaches, cooling magnetic valve is opened, and progress air cooling cool time is settable or is surveyed with temperature sensor one
The temperature gone out goes to judge required cool time；Expire in pressure sensor one pressure measured and the temperature that temperature sensor one is measured
In the case that foot is required, explosion-proof gate inhibition's failure mechanisms, it is allowed to which door is opened.
(3) beneficial effect
Compared with prior art, the present invention has advantages below：The present invention can be in the case of personal security be ensured, can
To carry out the detection and experiment of each side to steam electromagnetic valve, in order to sustained improvement, it is ensured that the quality of product.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the method for the safe detection steam electromagnetic valve of the present invention；
Fig. 2 is the safe method testing method flow diagram for detecting steam electromagnetic valve of the invention.
Embodiment
With reference to the accompanying drawings and examples, the embodiment to the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
As shown in figure 1, the method for the safe detection steam electromagnetic valve of the present invention, including pond, boiler, the first stand 1
With the second stand 2；Pressure sensor one and temperature sensor one are provided between the boiler and the first stand 1；The First
Frame 1 includes pressure sensor two and temperature sensor two；Second stand 2 includes pressure sensor three and temperature sensor
Three；First stand 1 connects cooling air by cooling down magnetic valve one, and second stand 2 is by cooling down the company of magnetic valve two
Connect cooling air；The pond connects the first stand 1 and the second stand 2 by magnetic valve three and magnetic valve four respectively；The water
Pond also connects the first stand 1 and the second stand 2 by relief valve one and relief valve two.
The system also includes console, and the console is made up of electrical control mechanism and touch-screen.Technical staff passes through
The test operated with regard to progress steam electromagnetic valve that can be safe to console.
The system also includes explosion-proof gate inhibition mechanism, and explosion-proof gate inhibition mechanism is made up of protective door and implosion guard wall, further
Add the security of test.
As shown in Fig. 2 the present invention also provides a kind of detection method of steam electromagnetic valve, by taking the first stand 1 as an example, including with
Lower step
Boiler is opened, console measures boiler discharge pressure ps1 and temperature by pressure sensor one and temperature sensor one
T1 is spent, whether the pressure p s1 and temperature t1 needed for test meets test request；
Explosion-proof gate inhibition's body function is opened, INHIBITORY-gate is opened；
Under conditions of boiler temperature t1 and pressure p s1 meet test request, the stand according to where measured piece 1 is opened
Corresponding magnetic valve one, the corresponding relief valve one of closing, the corresponding cooling valve one of closing；
Alternately export and the power supply of the tested magnetic valve (measured piece 1) of cut-out carry out ON/OFF and is tested magnetic valve, and monitor opening and
Pressure during pass, such as under open state, pressure, which does not decline, then judges that tested magnetic valve opens failure, and test stops；Equally exist
Under tested closed electromagnetic valve state, such as monitor pressure and decline larger, then judge that tested magnetic valve seals bad, two above feelings
All judge that tested magnetic valve is unqualified when condition occurs, test stops, wherein the opening time of tested magnetic valve can be set, being tested
The shut-in time of magnetic valve can also be set；
The underproof situation of magnetic valve is reached or detects in testing time, test stops, the tested magnetic valve electricity of cut-out
Source, closes magnetic valve, opens relief valve and carries out pressure release, venting duration is settable or goes judgement to need pressure release end point with pressure,
After venting duration reaches, cooling magnetic valve is opened, and progress air cooling cool time is settable or is surveyed with temperature sensor one
The temperature t1 gone out goes to judge required cool time；What the pressure p s1 measured in pressure sensor one was measured with temperature sensor one
In the case that temperature t1 meets requirement, explosion-proof gate inhibition's failure mechanisms, it is allowed to which door is opened.
The flow rate test of steam electromagnetic valve, can at normal temperatures, and flow rate calculation mode is as follows：
1st, liquid (volume)
(note：Do not consider viscosity influence, be 20mm less than 20CST (centistoke)2During/S)
2nd, gas (volume)
(note：Standard ambient condition：760mmHg.15.6℃Q：Public liter/min)
P1：Inlet pressure
P2：Outlet pressure
△ P=P1-P2
G：Proportion (water=1 air=1)
CVFlow coefficient CV≈1.16*KV
Above-mentioned calculation formula, with reference to the saturated-steam temperature density pressure table of comparisons to the inlet pressure (absolute pressure i.e. on table
Power) and outlet pressure carry out flow calculating, so as to show whether the flow of magnetic valve meets standard, above-mentioned data pass through
Console is drawn.The saturated-steam temperature density pressure table of comparisons is as shown in table 1.
Table 1
The present invention can carry out the detection and examination of each side in the case of personal security is ensured to steam electromagnetic valve
Test, in order to sustained improvement, it is ensured that the quality of product.
It the above is only the preferred embodiment of the present invention, it is noted that come for those skilled in the art
Say, without departing from the technical principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (1)
1. a kind of method of safe detection steam electromagnetic valve, it is characterised in that this method is implemented by following detecting systems, institute
Stating detecting system includes：Pond, boiler, the first stand and the second stand；Passed between the boiler and the first stand provided with pressure
Sensor one and temperature sensor one；First stand includes pressure sensor two and temperature sensor two；Second stand
Including pressure sensor three and temperature sensor three；First stand connects cooling air by cooling down magnetic valve one, described
Second stand connects cooling air by cooling down magnetic valve two；The pond passes through magnetic valve three and the connection of magnetic valve four the respectively
One stand and the second stand；The pond also connects the first stand and the second stand by relief valve one and relief valve two；
The system also includes console, and the console is made up of electrical control mechanism and touch-screen, and the console is used to control
The working condition of detecting system processed；
The system also includes explosion-proof gate inhibition mechanism, and explosion-proof gate inhibition mechanism is made up of protective door and implosion guard wall；
The method of the safe detection steam electromagnetic valve comprises the following steps：
Boiler is opened, console measures boiler discharge pressure and temperature by pressure sensor one and temperature sensor one, tested
Whether required pressure meets test request with temperature；
Explosion-proof gate inhibition's body function is opened, INHIBITORY-gate is opened；
Under conditions of boiler temperature and pressure meet test request, console controls detecting system according to where tested magnetic valve
Stand, open corresponding magnetic valve, close corresponding relief valve, close corresponding cooling valve；
Console control detecting system is alternately switched on and off the electric power starting of tested magnetic valve and closes tested magnetic valve, and supervises
Pressure value of the tested corresponding pressure sensor of magnetic valve of control when tested magnetic valve is opened and closed, when tested magnetic valve is in
During opening, do not decline if monitoring pressure value, judge that tested magnetic valve opens failure, and judge tested magnetic valve not
Qualified, test stops；When tested magnetic valve is closed, if monitoring pressure value declines larger, the tested electricity of judgement
Magnet valve sealing is bad, and judges that tested magnetic valve is unqualified, and test stops；Wherein be tested magnetic valve in opening when
Duration that is long and being closed can be preset；
Console controls detecting system when reaching testing time or judging that tested magnetic valve is unqualified, and test stops, cut-out
Tested power of electromagnetic valve, close tested magnetic valve, open relief valve and carry out pressure release, the pressure release duration of the relief valve it is predeterminable or
The pressure release duration according to needed for judging the pressure value of pressure sensor one, reaches after pressure release duration, console controls detecting system
Cooling magnetic valve is opened, air cooling is carried out, the temperature that cooling duration can be set or be measured with temperature sensor one goes to judge
Required cooling duration；The pressure measured in pressure sensor one meets the feelings of safety requirements with the temperature that temperature sensor one is measured
Under condition, explosion-proof gate inhibition mechanism is closed, it is allowed to which protective door is opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410726908.0A CN104502075B (en) | 2014-12-03 | 2014-12-03 | The method of the detection steam electromagnetic valve of safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410726908.0A CN104502075B (en) | 2014-12-03 | 2014-12-03 | The method of the detection steam electromagnetic valve of safety |
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| CN104502075A CN104502075A (en) | 2015-04-08 |
| CN104502075B true CN104502075B (en) | 2017-08-25 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571794B (en) * | 2016-03-17 | 2018-09-18 | 余姚市三力信电磁阀有限公司 | A kind of method of safe detection high-pressure solenoid valve |
| CN106441842A (en) * | 2016-09-14 | 2017-02-22 | 常州大学 | Device for measuring high-temperature high-pressure micro steam leakage |
| CN106383026B (en) * | 2016-11-24 | 2018-09-11 | 中国核动力研究设计院 | A kind of pilot system and test method tested or examine and determine pressurizer safety valve discharge capacity |
| CN107091735B (en) * | 2017-05-17 | 2023-05-26 | 万家乐热能科技有限公司 | Wall-mounted boiler waterway detection method and device |
| CN111677719B (en) * | 2020-06-18 | 2022-04-08 | 北京天玛智控科技股份有限公司 | Automatic test system and method for electromagnetic directional valve |
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| CN201340329Y (en) * | 2009-01-07 | 2009-11-04 | 苏州赛华仪控有限公司 | Pressure testing device of power station valve |
| CN202126353U (en) * | 2011-06-14 | 2012-01-25 | 上海出入境检验检疫局机电产品检测技术中心 | Air pressure and water pressure combination control device for inspecting safety of power-driven water valve |
| CN202255848U (en) * | 2011-08-10 | 2012-05-30 | 巩宁峰 | System for detecting high-pressure safety valve |
| CN103308293A (en) * | 2013-05-17 | 2013-09-18 | 武汉工程大学 | High temperature valve detecting and testing system |
| CN103808503A (en) * | 2014-02-24 | 2014-05-21 | 华东理工大学 | Test device and test method for testing delivery capacity of steam security valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100909443B1 (en) * | 2008-11-24 | 2009-07-30 | 한국수력원자력 주식회사 | Test apparatus and method for safety valve |
| KR101224192B1 (en) * | 2012-04-06 | 2013-01-21 | 유종훈 | High temperature high pressure valve test device |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201340329Y (en) * | 2009-01-07 | 2009-11-04 | 苏州赛华仪控有限公司 | Pressure testing device of power station valve |
| CN202126353U (en) * | 2011-06-14 | 2012-01-25 | 上海出入境检验检疫局机电产品检测技术中心 | Air pressure and water pressure combination control device for inspecting safety of power-driven water valve |
| CN202255848U (en) * | 2011-08-10 | 2012-05-30 | 巩宁峰 | System for detecting high-pressure safety valve |
| CN103308293A (en) * | 2013-05-17 | 2013-09-18 | 武汉工程大学 | High temperature valve detecting and testing system |
| CN103808503A (en) * | 2014-02-24 | 2014-05-21 | 华东理工大学 | Test device and test method for testing delivery capacity of steam security valve |
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| CN104502075A (en) | 2015-04-08 |
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