CN208254739U - Safety valve device for detecting performance - Google Patents
Safety valve device for detecting performance Download PDFInfo
- Publication number
- CN208254739U CN208254739U CN201821003915.8U CN201821003915U CN208254739U CN 208254739 U CN208254739 U CN 208254739U CN 201821003915 U CN201821003915 U CN 201821003915U CN 208254739 U CN208254739 U CN 208254739U
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- China
- Prior art keywords
- safety valve
- lower box
- fixed plate
- box
- upper box
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Abstract
The utility model discloses a kind of safety valve device for detecting performance, including fixed plate, the bottom surface of the fixed plate is equipped with more supporting legs, the fixed plate is equipped with the bolt hole that can be connect with the mounting flange of safety valve air inlet pipe end, air inlet corresponding with safety valve air inlet pipe port is offered in the fixed plate, the fixed plate is equipped with the air supply tube connecting with air inlet, the inlet end of the air supply tube and the air outlet of air compressor machine connect, check-valves is installed on the air supply tube, the air supply tube is equipped with pressure gauge and bleeder pipe on the pipeline section between air inlet and check-valves, vent valve is installed on the bleeder pipe；It is additionally provided with vertical plate in the fixed plate, lower box and upper box be installed on the vertical plate, there are the opening being caught in for safety valve delivery pipe, the vertical plate, lower box and upper box surround the liquid containing area of open top for the side of the lower box and upper box.
Description
Technical field
The utility model relates to a kind of safety valve device for detecting performance.
Background technique
Safety valve includes valve body, and the bottom of valve body is equipped with the air inlet pipe for connecting with equipment, and the end of air inlet pipe is equipped with
Mounting flange, the side of valve body are equipped with the delivery pipe for discharging over-pressure gas.Safety valve is electric power, holds in petrochemical enterprise
A kind of common and important overpressure protection apparatus of equipment is pressed, is the guarantee of system safety operation, effect is to guarantee phase therewith
Maximum pressure in bearing device or pipeline even does not exceed a certain setting value, the i.e. cracking pressure of safety valve, thus very
The generation for preventing equipment or pipeline from causing a serious accident in big degree since superpressure is destroyed.Safety valve is a kind of automatic valve,
Different from shut-off valve, the blowdown valve of manual operation opening and closing etc., safety valve can automatically turn in the case where bearing device superpressure,
It releases extra medium, guarantees equipment safety, when pressure medium drops to specified value, can be automatically closed and can restore to seal,
The further leakage of medium is prevented, it excludes a certain number of streams using the power of medium itself not by any external force
Body is more than scheduled safety value to prevent locking system pressure.Whether the parameters such as the cracking pressure due to safety valve meet the requirements directly
It is related to the safety of entire production process, therefore the enterprises such as electric power, petrochemical industry must periodically verify safety valve, at present
Structure is complicated for calibration equipment, troublesome in poeration, and its required accessory is more, inconvenient to carry.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of convenient and efficient detection opening pressure of safety valve and sealings
The safety valve device for detecting performance of property.
In order to solve the above technical problems, the utility model includes fixed plate, the bottom surface of the fixed plate is equipped with more branch
Support leg, the fixed plate are equipped with the bolt hole that can be connect with the mounting flange of safety valve air inlet pipe end, open in the fixed plate
Equipped with air inlet corresponding with safety valve air inlet pipe port, the fixed plate is equipped with the air supply tube connecting with air inlet, described
The inlet end of air supply tube and the air outlet of air compressor machine connect, and are equipped with check-valves on the air supply tube, the air supply tube is in air inlet
Pipeline section between mouth and check-valves is equipped with pressure gauge and bleeder pipe, is equipped with vent valve on the bleeder pipe；The fixed plate
On be additionally provided with vertical plate, lower box and upper box be installed on the vertical plate, the side of the lower box and upper box there are for
The opening that safety valve delivery pipe is caught in, the vertical plate, lower box and upper box surround the liquid containing area of open top.
The bottom of the lower box offers discharge outlet, and bleeder pipe is connected on the discharge outlet, is pacified on the bleeder pipe
Equipped with bleeder valve；It is offered in the fixed plate and passes through hole for what bleeder pipe passed through.
The lower box is packed on vertical plate, and the upper box is installed on blending bolt on lower box can with lower box realization
It is detachably connected with, lower box side top surface is equipped with the lower groove of semicircular in shape, and upper box side bottom surface is correspondingly provided with
The upper groove of semicircular in shape, the upper groove and lower groove split form the opening being caught in for safety valve delivery pipe.
Trapezoidal at the top of the lower box, matching at the top of the upper box bottom shape and lower box clamps the two,
It is equipped with deep gouge at the top of the lower box, is equipped with O-ring seal in the deep gouge.
The top of the upper box and the top of vertical plate are concordant, and the top surface of the upper box and the top surface of vertical plate are respectively equipped with
The top of indent, the upper box and vertical plate is equipped with sealing film and pressing ring, the pressing ring be caught in indent will seal membrane pressure dress to
It will be sealed at the top of liquid containing area.
After adopting the above structure, when detecting opening pressure of safety valve, safety valve to be detected is fixed in fixed plate, is arranged
Pipe clamp is put on lower groove, upper box is then stuck in blending bolt on lower box and is fixed, Jia Shui (the sealing film in liquid containing area
Do not install), open inlet end pressurising of the air compressor machine to safety valve, pressure gauge shows that pressure reaches when releasing pressure, observes in water
Whether there is or not gas discharges, if there is big stock air-flow discharge to illustrate that safety valve can normal take-off.When testing safety valve leakproofness, water is put
Out, the distilled water for having color developing agent is added in liquid containing area, and is closed liquid containing area with sealing film, opens air compressor machine to peace
The inlet end of full valve is inflated and maintains certain pressure setting time, if safety valve is not revealed, air will not drain into liquid from delivery pipe
Body holds area, then distilled water will not change colour, if safety valve has leakage, air can be dissolved in distilled water, to change distillation
The pH of water, brings it about chromogenic reaction, to judge the leakproofness of safety valve.The utility model structure is simple, easy to detect, greatly
The big detection efficiency for improving scene.
Detailed description of the invention
With reference to the accompanying drawing and specific embodiment is described in further detail the utility model:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is structural schematic diagram of the Fig. 1 along line A-A section view.
Specific embodiment
As depicted in figs. 1 and 2, safety valve device for detecting performance includes horizontally disposed fixed plate 1, the bottom surface of fixed plate 1
More supporting legs 11 are installed for supporting to fixed plate 1, the setting of supporting leg 11 also makes 1 bottom reservation operations of fixed plate empty
Between, fixed plate 1 is equipped with the bolt hole that can connect with the mounting flange 21 of 2 air inlet pipe end of safety valve, offered in fixed plate 1 and
The corresponding air inlet of safety valve air inlet pipe port, fixed plate 1 are equipped with the air supply tube 12 that connect with air inlet, air supply tube 12 into
The air outlet of gas end and air compressor machine connects, and is equipped with check-valves 13 on air supply tube 12, air supply tube 12 is in air inlet and check-valves 13
Between pipeline section be equipped with pressure gauge 14 and bleeder pipe 15, vent valve 16 is installed on bleeder pipe 15.It is additionally provided in fixed plate 1 perpendicular
The vertical plate 3 being directly arranged, vertical plate 3 is packed in fixed plate 1 by bolt in the present embodiment, and lower box and upper is equipped on vertical plate 3
Cabinet, lower box are made of bottom plate 31, lower front side board 32, hypopleuron 33 and lower left plate 34, upper box by anepisternite 35,
Upper back side panel 36 and upper left side plate 37 form, and there are for safety for the upper left side plate 37 of the lower left plate 34 of lower box and upper box
The opening that valve delivery pipe is caught in, vertical plate 3, lower box and upper box surround the liquid containing area of open top.
The right side sealing of the lower front side board 32 of lower box, hypopleuron 33 is packed on vertical plate 3 in the utility model, on
Cabinet is installed on blending bolt 4 and lower box on lower box and realizes detachable connection, anepisternite 35, the upper rear side of upper box
Plate 36 is caught in the sealed connection that upper box right side and vertical plate 3 are realized in the vertical guide groove of vertical plate 3, the lower left plate of lower box
34 top surfaces are equipped with the lower groove of semicircular in shape, and 37 bottom surface of upper left side plate of upper box is correspondingly provided with the upper groove of semicircular in shape, on
Groove and lower groove split form the circular opening being caught in for safety valve delivery pipe, for the sealing for guaranteeing delivery pipe and cabinet
Property, mounting groove is set on the groove face of lower groove and upper groove, and installation sealing ring guarantees leakproofness when using in mounting groove.
The bottom of lower box offers discharge outlet, and bleeder pipe 38 is connected on discharge outlet, is equipped with and releases on bleeder pipe 38
Valve 39.For the volume for reducing the utility model, is offered in fixed plate 1 and pass through hole 17 for what bleeder pipe 38 passed through.
It is to make lower box and top box physical efficiency quick-fit, lower box top design is trapezoidal, upper box bottom shape with
Matching at the top of lower box both makes to clamp, and the direct spiral-lock of upper box is not required to additionally position on lower box when assembling, simple to save
Power.For the leakproofness for guaranteeing the two joint face, it is equipped with deep gouge at the top of lower box, is equipped with O-ring seal 7 in deep gouge.Due under
Cabinet and upper box need to be connected with, and bolt installation place is avoided in the setting of deep gouge sectional, prevent bolt and O-ring seal from generating
Interference.
For improve performing leak test accuracy, the top of upper box is concordant with the top of vertical plate 3, the top surface of upper box and
The top surface of vertical plate 3 is respectively equipped with indent, and the top of upper box and vertical plate 3 is caught in indent and incites somebody to action equipped with film 5 and pressing ring 6, pressing ring is sealed
Membrane pressure dress is sealed to seal at the top of liquid containing area.The sealing fluid of addition color developing agent is put into when use in liquid containing area,
Then the sealing of membrane pressure Zhuan Shi liquid containing area will be sealed with pressing ring, preventing air to be dissolved in sealing fluid influences normal colour developing.
When detecting opening pressure of safety valve, safety valve to be detected is fixed in fixed plate 1, delivery pipe is stuck in lower groove
On, upper box is then stuck in blending bolt on lower box and is fixed, Jia Shui (sealing film is not installed), opens empty in liquid containing area
Inlet end pressurising of the press to safety valve, pressure gauge show that pressure reaches when releasing pressure, observe in water that whether there is or not gas discharges, if
There is big stock air-flow discharge to illustrate the normal take-off of safety valve energy, be completed closing air compressor machine, opens vent valve and deflate.Test safety
When valve leakproofness, water is released, the distilled water for having color developing agent is added in liquid containing area, and sealed liquid containing area with sealing film
It closes, opens air compressor machine and the inlet end of safety valve is inflated and maintains certain pressure setting time, if safety valve is not revealed, air is not
Liquid containing area can be drained into from delivery pipe, then distilled water will not change colour, if safety valve has leakage, air can be dissolved in distilled water
In, to change the pH of distilled water, chromogenic reaction is brought it about, to judge the leakproofness of safety valve.The utility model structure
Simply, easy to detect, greatly improve the detection efficiency at scene.
Claims (5)
1. a kind of safety valve device for detecting performance, it is characterized in that it includes fixed plate, the bottom surface of the fixed plate is equipped with more
Supporting leg, the fixed plate are equipped with the bolt hole that can connect with the mounting flange of safety valve air inlet pipe end, in the fixed plate
Air inlet corresponding with safety valve air inlet pipe port is offered, the fixed plate is equipped with the air supply tube connecting with air inlet, institute
The air outlet of the inlet end and air compressor machine of stating air supply tube connects, and is equipped with check-valves on the air supply tube, the air supply tube into
Pipeline section between port and check-valves is equipped with pressure gauge and bleeder pipe, is equipped with vent valve on the bleeder pipe；The fixation
It is additionally provided with vertical plate on plate, lower box and upper box be installed on the vertical plate, there are can for the side of the lower box and upper box
For the opening that safety valve delivery pipe is caught in, the vertical plate, lower box and upper box surround the liquid containing area of open top.
2. safety valve device for detecting performance according to claim 1, it is characterized in that the bottom of the lower box offers row
Mouth is put, bleeder pipe is connected on the discharge outlet, bleeder valve is installed on the bleeder pipe；Offered in the fixed plate for
What bleeder pipe passed through passes through hole.
3. safety valve device for detecting performance according to claim 1, it is characterized in that the lower box is packed on vertical plate, institute
It states upper box and is installed on blending bolt and lower box realization detachable connection on lower box, lower box side top surface is equipped with
The lower groove of semicircular in shape, upper box side bottom surface are correspondingly provided with the upper groove of semicircular in shape, the upper groove with it is recessed
Slot split forms the opening being caught in for safety valve delivery pipe.
4. safety valve device for detecting performance according to claim 1, it is characterized in that it is trapezoidal at the top of the lower box, it is described
Matching at the top of upper box bottom shape and lower box both makes to clamp, and is equipped with deep gouge at the top of the lower box, in the deep gouge
Equipped with O-ring seal.
5. safety valve device for detecting performance according to any one of claim 1 to 4, it is characterized in that the top of the upper box
Portion is concordant with the top of vertical plate, and the top surface of the upper box and the top surface of vertical plate are respectively equipped with indent, the upper box and vertical plate
Top be equipped with sealing film and pressing ring, the pressing ring, which is caught in indent, will seal membrane pressure dress to seal at the top of liquid containing area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821003915.8U CN208254739U (en) | 2018-06-19 | 2018-06-19 | Safety valve device for detecting performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821003915.8U CN208254739U (en) | 2018-06-19 | 2018-06-19 | Safety valve device for detecting performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208254739U true CN208254739U (en) | 2018-12-18 |
Family
ID=64655059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821003915.8U Expired - Fee Related CN208254739U (en) | 2018-06-19 | 2018-06-19 | Safety valve device for detecting performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208254739U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111746742A (en) * | 2020-06-22 | 2020-10-09 | 沪东中华造船(集团)有限公司 | Pressure test method for chemical ship cargo hold PV valve |
-
2018
- 2018-06-19 CN CN201821003915.8U patent/CN208254739U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111746742A (en) * | 2020-06-22 | 2020-10-09 | 沪东中华造船(集团)有限公司 | Pressure test method for chemical ship cargo hold PV valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181218 Termination date: 20210619 |