CN109489972A - A kind of device for testing flow and the liquid communication ability detection method using the device - Google Patents
A kind of device for testing flow and the liquid communication ability detection method using the device Download PDFInfo
- Publication number
- CN109489972A CN109489972A CN201811643491.6A CN201811643491A CN109489972A CN 109489972 A CN109489972 A CN 109489972A CN 201811643491 A CN201811643491 A CN 201811643491A CN 109489972 A CN109489972 A CN 109489972A
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- Prior art keywords
- valve
- ontology
- pressure
- flow
- liquid
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Classifications
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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
Abstract
The invention discloses a kind of device for testing flow and utilize the liquid communication ability detection method of the device, including ontology (1), ontology (1) includes liquid feed valve (5), tapping valve (8), intake valve (3), safety valve (12), exhaust valve (10), blowdown valve (7), visual liquidometer (6), first pressure gauge (11), second pressure gauge (21), intake valve (5) is connected to by air hose (13) with pressure regulator valve (2), liquid feed valve (5) is connected with inlet tube (4), and tapping valve (8) is connected to by drain pipe (14) with flow test valve (9).The present invention can make device for testing flow pressure constant, improve the precision of the negotiability of measurement valve.
Description
Technical field
The present invention relates to a kind of device for testing flow and utilize the liquid communication ability detection method of the device.
Background technique
Currently, the detection method for measuring valve negotiability, mostly uses flow quantity repetition test error for index,
The fluctuation range of test error is repeated according to fluid flow to evaluate the negotiability of valve.It is injected by pipeline to test valve
A large amount of liquid, accurate measurement reach stationary value required time, stationary value duration, liquid by the fluid flow of test valve
The fluid flow repetitive error of the calculating test valve such as body flow velocity, liquid temperature, environment temperature.Usually test fluid flow repetitive error
Method have standard table, Weighing type, positive displacement etc., using the measurement method of standard table, the pressure of measurement changes, real
It is low to test Result Precision；Using the measurement method of Weighing type, the problem of being primarily present is artificial timing, counting, and error is larger, reliably
Property is poor, and calculated result deviation is big；It using the measurement method of positive displacement, is influenced by environmental factor, restricted application.
Therefore those skilled in the art are dedicated to developing a kind of experimental rig of more sensitive measurement valve fluid flow
And the liquid communication ability detection method using the device, with solve in currently available technology device for testing flow pressure instability with
The technical problem for causing the precision of the negotiability of measurement valve inaccurate.
Summary of the invention
In view of the above drawbacks of the prior art, the technical problem to be solved by the present invention is to flow tests in the prior art
So that the negotiability precision of measurement valve is inaccurate, the present invention provides a kind of device for testing flow and using should device pressure instability
The liquid communication ability detection method of device.
To achieve the above object, the present invention provides a kind of device for testing flow, including ontology, ontology include liquid feed valve,
Tapping valve, intake valve, safety valve, exhaust valve, blowdown valve, visual liquidometer, first pressure gauge, second pressure gauge, the air inlet
Valve is connected to by air hose with pressure regulator valve, and the liquid feed valve is connected with inlet tube, and the tapping valve is tried by drain pipe and flow
Test valve connection.
Preferably, being provided with the blowdown valve for replacing fresh liquid in the bottom of ontology.
Preferably, being vertically arranged with the visual liquidometer for observing liquid level in the side of ontology；The safety valve
The top of ontology is set.
The present invention also provides a kind of liquid communication ability detection methods using the device, comprising the following steps:
1) liquid feeding
Liquid feed valve and exhaust valve are opened, remaining valve is closed；By inlet tube to ontology fluid injection；This is observed by visual liquidometer
The liquid levels situation of body；
2) it pressurizes
Intake valve is opened, remaining valve is closed；The pressure regulator valve for adjusting compressed air allows compressed air into ontology, passes through ontology
On first pressure gauge and second pressure gauge observe pressure condition, flow test is carried out when pressure rises to 0.35MPa；
3) flow test
Open tapping valve；It is constant hydraulic to ontology by adjusting pressure regulator valve；
4) blowdown
After the completion of flow test, blowdown valve is opened；
5) security control
The safety valve for keeping the experimental rig in a safe condition is provided on ontology, when pressure is more than 0.8MPa in ontology, peace
Full valve automatically opens.
The beneficial effects of the present invention are:
(1) it is connected using liquid feed valve with inlet tube, tapping valve passes through the design that drain pipe is connected to flow test valve, can make to flow
It is constant to measure experimental rig pressure, especially pressure value is 0.35MPa in step 2 pressurization, improves the negotiability of measurement valve
Precision.
(2) blowdown valve for replacing fresh liquid is provided with using the bottom of ontology, the side of ontology is vertically arranged with
For observing the visual liquidometer of liquid level；The design at the top of ontology is arranged in safety valve, passes through observation liquid level
Visual liquidometer is clear that intrinsic liquid communication situation, the intrinsic pressure of more convenient control；Pass through
It is 0.8MPa that bodies top, which is provided with the pressure value in safety valve, especially step 5) security control, the present apparatus can be made to exist
The state of one safety prevents the generation of safety accident.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the invention.
Wherein, 1 is ontology；2 be pressure regulator valve；3 be intake valve；4 be inlet tube；5 be liquid feed valve；6 be visual liquidometer；7
For blowdown valve；8 be tapping valve；9 be flow test valve；10 be exhaust valve；11 be first pressure gauge；12 be safety valve.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples, it should be noted that, in the description of the present invention,
The orientation or positional relationship of the instructions such as term " on ", "lower", "left", "right", "inner", "outside" be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, construct and operate in a particular manner, therefore be not considered as limiting the invention.Term " the
One ", " second ", " third " etc. are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In order to solve the above technical problems, the present invention provides a kind of device for testing flow, referring to Fig. 1, including ontology 1, originally
Body 1 includes liquid feed valve 5, tapping valve 8, intake valve 3, safety valve 12, exhaust valve 10, blowdown valve 7, visual liquidometer 6, first pressure
Table 11, second pressure gauge 21, intake valve 5 are connected to by air hose 13 with pressure regulator valve 2, and the liquid feed valve 5 is connected with inlet tube 4,
The tapping valve 8 is connected to by drain pipe 14 with flow test valve 9.
The bottom of ontology is provided with the blowdown valve 8 for replacing fresh liquid, the flow for the valve that can repeatedly measure,
Keep the precision of the valve negotiability of measurement more accurate.
Using the liquid communication ability detection method of the device, include the following steps:
1) liquid feeding
Liquid feed valve 5 and exhaust valve 10 are opened, remaining valve is closed；By inlet tube 4 to 1 fluid injection of ontology；Pass through the visual liquid
The liquid levels situation of 6 observation ontology 1 of position meter；
2) it pressurizes
Intake valve 3 is opened, remaining valve is closed；The pressure regulator valve 2 for adjusting compressed air allows compressed air into ontology 1, passes through
First pressure gauge 11 and second pressure gauge 21 on ontology 1 observe pressure condition, and flow examination is carried out when pressure rises to 0.35MPa
It tests；
3) flow test
Open tapping valve 10；It is constant hydraulic to ontology 1 by adjusting pressure regulator valve 2；
4) blowdown
After the completion of flow test, blowdown valve 7 is opened；
5) security control
The safety valve 12 for keeping the experimental rig in a safe condition is provided on ontology 1, when pressure is more than 0.8MPa in ontology 1
When, safety valve 12 automatically opens.
It, can be with precise measurement valve by above-mentioned device for testing flow and using the liquid communication ability detection method of the device
Door negotiability, such as in the present embodiment drain valve 8 negotiability, pass through the experimental rig and using the device liquid
Negotiability detection method can precise measurement.
It should be noted that in above-mentioned steps 5) in pressure value 0.8MPa, not by limited times test it is available,
Even if by pay great human and material resources and financial resources test infinitely, lose more than gain.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (4)
1. a kind of device for testing flow, including ontology (1), it is characterised in that: the ontology (1) includes liquid feed valve (5), tapping valve
(8), intake valve (3), safety valve (12), exhaust valve (10), blowdown valve (7), visual liquidometer (6), first pressure gauge (11),
Two pressure gauges (21), the intake valve (5) are connected to by air hose (13) with pressure regulator valve (2), the liquid feed valve (5) and inlet tube
(4) it is connected, the tapping valve (8) is connected to by drain pipe (14) with flow test valve (9).
2. device for testing flow as described in claim 1, it is characterized in that: being provided with blowdown valve (10) in the bottom of ontology (1).
3. device for testing flow as claimed in claim 1 or 2, it is characterized in that: being vertically arranged in the side of the ontology (1) can
Depending on liquidometer (6)；Top of safety valve (12) setting in ontology (1).
4. special using the liquid communication ability detection method of the device for testing flow as described in any one of claims 1 to 3
Sign is: including the following steps:
1) liquid feeding
Liquid feed valve (5) and exhaust valve (10) are opened, remaining valve is closed；By inlet tube (4) to ontology (1) fluid injection；By can
Depending on the liquid levels situation of liquidometer (6) observation ontology (1)；
2) it pressurizes
It opens intake valve (3), closes remaining valve；The pressure regulator valve (2) for adjusting compressed air allows compressed air into ontology (1)
It is interior, by the first pressure gauge (11) and second pressure gauge (21) observation pressure condition on ontology (1), when pressure rises to
Flow test is carried out when 0.35MPa；
3) flow test
It opens tapping valve (10)；It is constant hydraulic to ontology (1) by adjusting pressure regulator valve (2)；
4) blowdown
After the completion of flow test, open blowdown valve (7)；
5) security control
The safety valve (12) for keeping the experimental rig in a safe condition is provided on ontology (1), interior pressure is more than when ontology (1)
When 0.8MPa, safety valve (12) is automatically opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811643491.6A CN109489972A (en) | 2018-12-29 | 2018-12-29 | A kind of device for testing flow and the liquid communication ability detection method using the device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811643491.6A CN109489972A (en) | 2018-12-29 | 2018-12-29 | A kind of device for testing flow and the liquid communication ability detection method using the device |
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| Publication Number | Publication Date |
|---|---|
| CN109489972A true CN109489972A (en) | 2019-03-19 |
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ID=65713486
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811643491.6A Pending CN109489972A (en) | 2018-12-29 | 2018-12-29 | A kind of device for testing flow and the liquid communication ability detection method using the device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111137581A (en) * | 2019-12-27 | 2020-05-12 | 安徽海德化工科技有限公司 | Acid discharge control device for isooctane production |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359661A (en) * | 2014-11-11 | 2015-02-18 | 浙江工业大学 | Universal valve performance test device |
| KR101511249B1 (en) * | 2013-11-26 | 2015-04-13 | 한전케이피에스 주식회사 | Safety valve performance test methods |
| CN106053038A (en) * | 2016-06-12 | 2016-10-26 | 上海发电设备成套设计研究院 | Gas-liquid-dual-purpose safety valve discharge capacity test device and test method |
| CN106568484A (en) * | 2016-11-02 | 2017-04-19 | 北京控制工程研究所 | Self-controlled flow test device |
| CN209606079U (en) * | 2018-12-29 | 2019-11-08 | 重庆普惠斯阀门制造有限公司 | A kind of device for testing flow |
-
2018
- 2018-12-29 CN CN201811643491.6A patent/CN109489972A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101511249B1 (en) * | 2013-11-26 | 2015-04-13 | 한전케이피에스 주식회사 | Safety valve performance test methods |
| CN104359661A (en) * | 2014-11-11 | 2015-02-18 | 浙江工业大学 | Universal valve performance test device |
| CN106053038A (en) * | 2016-06-12 | 2016-10-26 | 上海发电设备成套设计研究院 | Gas-liquid-dual-purpose safety valve discharge capacity test device and test method |
| CN106568484A (en) * | 2016-11-02 | 2017-04-19 | 北京控制工程研究所 | Self-controlled flow test device |
| CN209606079U (en) * | 2018-12-29 | 2019-11-08 | 重庆普惠斯阀门制造有限公司 | A kind of device for testing flow |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111137581A (en) * | 2019-12-27 | 2020-05-12 | 安徽海德化工科技有限公司 | Acid discharge control device for isooctane production |
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