CN107894330A - One kind breathing valve action test set and method - Google Patents
One kind breathing valve action test set and method Download PDFInfo
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- CN107894330A CN107894330A CN201711080662.4A CN201711080662A CN107894330A CN 107894330 A CN107894330 A CN 107894330A CN 201711080662 A CN201711080662 A CN 201711080662A CN 107894330 A CN107894330 A CN 107894330A
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- liquid pipe
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
The present invention relates to experimental technique field, and in particular to a kind of breather valve test method.The breathing valve action test set of the present invention utilizes law of connected vessels, and the pressure of breather valve is calculated by the water-column difference in transparent liquid pipe, and pressure value is directly read on ruler.The negative pressure substituted using normal pressure in tank tests breather valve vacuum valve.This method is accurate, simple, economical, workable.
Description
Technical field
The present invention relates to experimental technique field, and in particular to one kind breathing valve action test set and method.
Background technology
Breather valve is made up of pressure valve and vacuum valve.It is installed on storage tank permeability cell, can changes with oil gas positive/negative-pressure in tank
And automatic open close, it is tank inner and outer air pressure difference is maintained at the valve in the range of permissible value.In containers such as ship cargo-oil cabin, oil storage tanks
Breather valve is equipped with permeability cell.The valve makes cabin inner and outer air pressure difference be maintained in the range of permissible value, is the peace for reducing medium volatilization
Full energy-conserving product, the bearing capacity of storage tank in itself can be made full use of to reduce media discharge.Storage tank for depositing noxious material,
Breathe no more valve.
According to the characteristic of storage material, the factor such as the making material of storage tank, size determines the Opening pressure of breather valve.Should
Pressure value very little, normal pressure are typically 0.021MPa or 0.014MPa, and negative pressure is typically 0.007MPa or 0.0035MPa.System
Make the pressure gauge of so small-range, cost is high.It is also impossible to be made very big for testing the container of breathing valve opening pressure.With sky
Air compressor, vavuum pump, pressure vacuum meter etc. are difficult to test the performances such as sealing, the Opening pressure of breather valve.
The content of the invention
It is an object of the invention to for problems of the prior art, there is provided one kind breathing valve action test set and side
Method, this method is accurate, simple, economical, workable.
The purpose of the present invention is achieved through the following technical solutions：
One kind breathing valve action test set, including air inlet pipe, the breather valve are horizontally arranged in air inlet pipe, and breather valve is exhaled
Valve mounting flange is inhaled be connected with air inlet pipe by the first stop valve, the vacuum valve of breather valve test flange by the second stop valve and
Air inlet pipe is connected, and the 3rd stop valve is provided with the air inlet pipe in front of breather valve；
Also include vertically disposed first liquid pipe, the second liquid pipe and the 3rd liquid pipe, the lower end of first liquid pipe and air inlet
Pipe is connected, and the upper end of the first liquid pipe is connected with the upper end of the second liquid pipe, and the lower end of the second liquid pipe and the lower end of the 3rd liquid pipe pass through
4th stop valve connects, and the upper end of the 3rd liquid pipe is in communication with the outside；
Also include vertically disposed 4th liquid pipe, the lower end of the 4th liquid pipe by the 5th stop valve respectively with the second liquid
The lower end connection of pipe, the 3rd liquid pipe, the upper end of the 4th liquid pipe is provided with funnel；
Also include the ruler being be arranged in parallel with the first liquid pipe, the second liquid pipe and the 3rd liquid pipe, be provided with and be used on the ruler
Measure the scale of each liquid pipe height of water level；
The 6th stop valve that first liquid pipe, the end of the 4th liquid pipe are separately provided for sealing liquid pipe,
7th stop valve；
Second liquid pipe and the 3rd liquid pipe are transparent liquid pipe.
A kind of breather valve test method, comprises the following steps：
1) installation breather valve, each liquid pipe, ruler and each stop valve are connected according to said structure；
2) open the 4th stop valve, the 5th stop valve, the 6th stop valve, close the 7th stop valve, toward funnel in inject it is light
Water, until the water-column in the second liquid pipe, the 3rd liquid pipe is more than more than half of the pressure valve unlatching water-column of breather valve；
3) the second stop valve, the 5th stop valve, the 6th stop valve are closed, the first stop valve, the 3rd stop valve is opened, passes through
3rd stop valve is slowly injected into compressed air to air inlet pipe, under the water-column in the second liquid pipe in the presence of compressed air
Drop, the water-column in the 3rd liquid pipe rise, read from ruler the second liquid pipe, in the 3rd liquid pipe water column difference in height, this is high
Degree difference is the pressure that the pressure valve of breather valve is born；
4) continue through the 3rd stop valve and be slowly injected into compressed air to air inlet pipe, until in the second liquid pipe, the 3rd liquid pipe
The difference in height of water column is not further added by, and illustrates that breather valve has turned on, and water-column difference now is the pressure valve of breather valve
Opening pressure；
5) the first stop valve, the 3rd stop valve are closed, the 6th stop valve is opened, treats the water in the second liquid pipe, the 3rd liquid pipe
After post difference in height vanishing, the 6th stop valve is closed, the second stop valve is opened, is slowly injected into by the 3rd stop valve to air inlet pipe
Compressed air, the water-column in the second liquid pipe decline, and the water-column in the 3rd liquid pipe rises, and the second liquid is read from ruler
The difference in height of water column in pipe, the 3rd liquid pipe, this difference in height is the pressure that the vacuum valve of breather valve is born；
6) after all breather valve off-tests, the 4th stop valve, the 5th stop valve, the 6th stop valve and the 7th cut-off are opened
Valve, the water in each liquid pipe of discharger and funnel, completes the experiment of breather valve.
Relative to prior art, beneficial effects of the present invention are：
The breathing valve action test set of the present invention utilizes law of connected vessels, is calculated by the water-column difference in transparent liquid pipe
The pressure of breather valve, pressure value is directly read on ruler, the negative pressure substituted using normal pressure in tank tests breather valve vacuum
Valve, this method is accurate, simple, economical, workable.
Brief description of the drawings
Fig. 1 is the structural representation of the breathing valve action test set of the present invention.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention will be described in detail.
Embodiment 1.
As shown in figure 1, the present embodiment provides a kind of breathing valve action test set, including air inlet pipe 16, the water of breather valve 17
In air inlet pipe 16, the breather valve mounting flange 1 of breather valve 17 is connected safety by the first stop valve 3 with air inlet pipe 16, is exhaled
The vacuum valve experiment flange 2 for inhaling valve 17 is connected by the second stop valve 4 with air inlet pipe 16, the air inlet pipe in the front of breather valve 17
3rd stop valve 5 is installed on 16；
Also include vertically disposed first liquid pipe 12, the second liquid pipe 13 and the 3rd liquid pipe 14, under first liquid pipe 12
End is connected with air inlet pipe 16, and the upper end of the first liquid pipe 12 is connected with the upper end of the second liquid pipe 13, the lower end of the second liquid pipe 13 and the
The lower end of three liquid pipes 14 is connected by the 4th stop valve 8, and the upper end of the 3rd liquid pipe 14 is in communication with the outside；
Also include vertically disposed 4th liquid pipe 15, the lower end of the 4th liquid pipe 15 by the 5th stop valve 7 respectively with
The lower end connection of second liquid pipe 13, the 3rd liquid pipe 14, the upper end of the 4th liquid pipe 15 is provided with funnel 10；
Also include the ruler 11 that is be arranged in parallel with the first liquid pipe 12, the second liquid pipe 13 and the 3rd liquid pipe 14, on the ruler 11
It is provided with the scale for measuring each liquid pipe height of water level；
First liquid pipe 12, the end of the 4th liquid pipe 15 are separately provided for the 6th cut-off sealed to liquid pipe
Valve 6, the 7th stop valve 9；
The liquid pipe 14 of second liquid pipe 13 and the 3rd is transparent liquid pipe.
Embodiment 2.
The present embodiment provides a kind of breather valve test method, comprises the following steps：
1) according to structure connection installation breather valve 17, each liquid pipe, ruler 11 and each stop valve of embodiment 1；
2) the 4th stop valve 8, the 5th stop valve 7, the 6th stop valve 6 are opened, the 7th stop valve 9 is closed, toward in funnel 10
Fresh water is injected, the pressure valve that breather valve 17 is more than until the water-column in the second liquid pipe 13, the 3rd liquid pipe 14 opens water column height
More than half of degree；
3) the second stop valve 4, the 5th stop valve 7, the 6th stop valve 6 are closed, opens the first stop valve 3, the 3rd stop valve
5, compressed air is slowly injected into air inlet pipe 16 by the 3rd stop valve 5, in the second liquid pipe 13 in the presence of compressed air
Water-column declines, and the water-column in the 3rd liquid pipe 14 rises, and the second liquid pipe 13, the 3rd liquid pipe 14 are read from ruler 11
The difference in height of interior water column, this difference in height are the pressure that the pressure valve of breather valve 17 is born；
4) continue through the 3rd stop valve 5 and be slowly injected into compressed air to air inlet pipe 16, until the second liquid pipe 13, the 3rd liquid
The difference in height of water column is not further added by pipe 14, illustrates that breather valve 17 has turned on, and water-column difference now is breather valve 17
Pressure valve Opening pressure；
5) the first stop valve 3, the 3rd stop valve 5 are closed, the 6th stop valve 6 is opened, treats the second liquid pipe 13, the 3rd liquid pipe 14
In water-column difference vanishing after, close the 6th stop valve 6, open the second stop valve 4, by the 3rd stop valve 5 to air inlet
Pipe 16 is slowly injected into compressed air, and the water-column in the second liquid pipe 13 declines, and the water-column in the 3rd liquid pipe 14 rises, from
Read on ruler 11 second liquid pipe 13, in the 3rd liquid pipe 14 water column difference in height, this difference in height is the vacuum valve of breather valve 17
The pressure born；
6) after all breather valve off-tests, the 4th stop valve 8, the 5th stop valve 7, the 6th stop valve 6 and the 7th are opened
Stop valve 9, the water in each liquid pipe of discharger and funnel 10, complete the experiment of breather valve 17.
Those of ordinary skills in the art should understand that：The discussion of any of the above embodiment is exemplary only, not
It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples；Under the thinking of the present invention, above example
Or can also be combined between the technical characteristic in different embodiments, and the different aspect of the present invention as described above be present
Many other changes, in order to it is concise they do not provided in details.Therefore, within the spirit and principles of the invention,
Any omission for being made, modification, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (2)
1. one kind breathing valve action test set, it is characterised in that including air inlet pipe, the breather valve is horizontally arranged in air inlet pipe,
The breather valve mounting flange of breather valve is connected by the first stop valve with air inlet pipe, and the vacuum valve of breather valve experiment flange passes through the
Two stop valves are connected with air inlet pipe, and the 3rd stop valve is provided with the air inlet pipe in front of breather valve；
Also include vertically disposed first liquid pipe, the second liquid pipe and the 3rd liquid pipe, lower end and the air inlet pipe of first liquid pipe connect
Connect, the upper end of the first liquid pipe is connected with the upper end of the second liquid pipe, and the lower end of the second liquid pipe and the lower end of the 3rd liquid pipe pass through the 4th
Stop valve connects, and the upper end of the 3rd liquid pipe is in communication with the outside；
Also include vertically disposed 4th liquid pipe, the lower end of the 4th liquid pipe by the 5th stop valve respectively with the second liquid pipe,
The lower end connection of 3rd liquid pipe, the upper end of the 4th liquid pipe is provided with funnel；
Also include the ruler being be arranged in parallel with the first liquid pipe, the second liquid pipe and the 3rd liquid pipe, be provided with the ruler for measuring
The scale of each liquid pipe height of water level；
The 6th stop valve that first liquid pipe, the end of the 4th liquid pipe are separately provided for sealing liquid pipe, the 7th
Stop valve；
Second liquid pipe and the 3rd liquid pipe are transparent liquid pipe.
2. a kind of breather valve test method, it is characterised in that comprise the following steps：
1) according to structure connection installation breather valve, each liquid pipe, ruler and each stop valve of claim 1；
2) open the 4th stop valve, the 5th stop valve, the 6th stop valve, close the 7th stop valve, toward funnel in inject fresh water, directly
It is more than more than half of the pressure valve unlatching water-column of breather valve to the water-column in the second liquid pipe, the 3rd liquid pipe；
3) the second stop valve, the 5th stop valve, the 6th stop valve are closed, the first stop valve, the 3rd stop valve is opened, passes through the 3rd
Stop valve is slowly injected into compressed air to air inlet pipe, and the water-column in the second liquid pipe in the presence of compressed air declines, the
Water-column in three liquid pipes rises, read from ruler the second liquid pipe, in the 3rd liquid pipe water column difference in height, this difference in height is
The pressure born for the pressure valve of breather valve；
4) continue through the 3rd stop valve and be slowly injected into compressed air to air inlet pipe, until water column in the second liquid pipe, the 3rd liquid pipe
Difference in height be not further added by, illustrate that breather valve has turned on, water-column difference now is the unlatching of the pressure valve of breather valve
Pressure；
5) the first stop valve, the 3rd stop valve are closed, opens the 6th stop valve, treats that the water column in the second liquid pipe, the 3rd liquid pipe is high
After spending poor vanishing, the 6th stop valve is closed, the second stop valve is opened, compression is slowly injected into air inlet pipe by the 3rd stop valve
Air, the water-column in the second liquid pipe decline, and the water-column in the 3rd liquid pipe rises, read from ruler the second liquid pipe,
The difference in height of water column in 3rd liquid pipe, this difference in height are the pressure that the vacuum valve of breather valve is born；
6) after all breather valve off-tests, the 4th stop valve, the 5th stop valve, the 6th stop valve and the 7th stop valve are opened,
Water in each liquid pipe of discharger and funnel, completes the experiment of breather valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711080662.4A CN107894330A (en) | 2017-11-06 | 2017-11-06 | One kind breathing valve action test set and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711080662.4A CN107894330A (en) | 2017-11-06 | 2017-11-06 | One kind breathing valve action test set and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107894330A true CN107894330A (en) | 2018-04-10 |
Family
ID=61804158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711080662.4A Pending CN107894330A (en) | 2017-11-06 | 2017-11-06 | One kind breathing valve action test set and method |
Country Status (1)
| Country | Link |
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| CN (1) | CN107894330A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865857A (en) * | 2021-09-29 | 2021-12-31 | 中国航发动力股份有限公司 | Simple valve opening micro-pressure testing device and testing method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2586152Y (en) * | 2002-12-18 | 2003-11-12 | 陈胜军 | Portable fast detector of respiratory valve |
| CN201421391Y (en) * | 2009-05-13 | 2010-03-10 | 中船澄西船舶修造有限公司 | Oil-wheel breather valve test stand |
| CN202372338U (en) * | 2011-11-25 | 2012-08-08 | 北京航天动力研究所 | Breathing valve calibrating table |
| KR101513461B1 (en) * | 2013-11-29 | 2015-04-20 | 한전케이피에스 주식회사 | Valve Test Appartus |
| CN204535977U (en) * | 2015-04-27 | 2015-08-05 | 江苏沙洲阀门有限公司 | A kind of performance test apparatus of high-speed ventilation valve |
| CN107202690A (en) * | 2017-07-25 | 2017-09-26 | 中建安装工程有限公司 | A kind of breather valve on-site calibration device and its application method |
-
2017
- 2017-11-06 CN CN201711080662.4A patent/CN107894330A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2586152Y (en) * | 2002-12-18 | 2003-11-12 | 陈胜军 | Portable fast detector of respiratory valve |
| CN201421391Y (en) * | 2009-05-13 | 2010-03-10 | 中船澄西船舶修造有限公司 | Oil-wheel breather valve test stand |
| CN202372338U (en) * | 2011-11-25 | 2012-08-08 | 北京航天动力研究所 | Breathing valve calibrating table |
| KR101513461B1 (en) * | 2013-11-29 | 2015-04-20 | 한전케이피에스 주식회사 | Valve Test Appartus |
| CN204535977U (en) * | 2015-04-27 | 2015-08-05 | 江苏沙洲阀门有限公司 | A kind of performance test apparatus of high-speed ventilation valve |
| CN107202690A (en) * | 2017-07-25 | 2017-09-26 | 中建安装工程有限公司 | A kind of breather valve on-site calibration device and its application method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865857A (en) * | 2021-09-29 | 2021-12-31 | 中国航发动力股份有限公司 | Simple valve opening micro-pressure testing device and testing method |
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Application publication date: 20180410 |