CN207114082U - A kind of pipeline pressure detection device - Google Patents
A kind of pipeline pressure detection device Download PDFInfo
- Publication number
- CN207114082U CN207114082U CN201720937058.8U CN201720937058U CN207114082U CN 207114082 U CN207114082 U CN 207114082U CN 201720937058 U CN201720937058 U CN 201720937058U CN 207114082 U CN207114082 U CN 207114082U
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- China
- Prior art keywords
- control valve
- isolation body
- plug
- tank
- oil supply
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Abstract
The utility model discloses a kind of pipeline pressure detection device, including the first control valve being connected with pressure pipeline and the oil supply tank being connected with first control valve, the oil supply tank is divided into two-way, pass sequentially through the second control valve, interrupter and pressure gauge all the way to connect, another way is connected by the 3rd control valve with pressure gauge；The upper tank body and lower tank of intercommunication are provided with inside the oil supply tank, is provided with outlet at the top of the upper tank body, the lower tank bottom is provided with entrance；The interrupter includes upper isolation body and lower isolation body, the upper isolation body and the lower isolation body form a separate cavities, piston is provided with inside the separate cavities, the piston end is connected with sealing-plug, and the sealing-plug is exported close to the upper isolation body and set.Compared with prior art, the utility model is simple in construction, reasonable in design, is easily worked, small volume, effectively prevent because spacer medium leakage and caused by pressure gauge failure, so as to ensure that the safe operation of unit.
Description
Technical field
It the utility model is related to pipeline control technology field, and in particular to a kind of pipeline pressure detection device.
Background technology
Unit oil supply system in middle source chemistry thermoelectricity subsidiary factory, it is often necessary to pipeline pressure is detected, for pressure in pipeline
The normal use of table, is isolated using spacer medium, sometimes due to pressure gage spring tube weld bond is revealed, leaks spacer medium
To the greatest extent, heavy oil is just filled with pipeline and meter therewith, because the heavy oil for excluding more than ten meters to tens meters long pipe runs condensations is more difficult,
Cause pressure gauge Long-time Shut-down, cannot recover, influence the safe operation of unit.
Utility model content
To solve drawbacks described above, the purpose of this utility model is to provide a kind of pipeline pressure detection device, reasonable in design, adopts
Heavy oil is effectively isolated with interrupter, ensures pipeline pressure
To reach above-mentioned purpose, the technical solution adopted in the utility model is：A kind of pipeline pressure detection device, including with
First control valve of pressure pipeline connection and the oil supply tank that is connected with first control valve, the oil supply tank are divided into two-way, and one
Road passes sequentially through the second control valve, interrupter and pressure gauge and connected, and another way is connected by the 3rd control valve with pressure gauge；Institute
The upper tank body and lower tank that intercommunication is provided with inside oil supply tank are stated, is provided with outlet at the top of the upper tank body, the lower tank bottom is set
There is entrance；The interrupter includes upper isolation body and lower isolation body, the upper isolation body and the lower isolation body
A separate cavities are formed, are provided with piston inside the separate cavities, the piston end is connected with sealing-plug, and the sealing-plug is close to institute
The outlet of upper isolation body is stated to set.
Preferably, red copper pad is provided between the upper isolation body and the lower isolation body, anticorrosion effect is obvious.
The piston has the function of outflowing and move up with spacer medium.
The sealing-plug is made of grease proofing rubber.
The size of the sealing-plug and the outlet of the upper isolation body match.
The utility model when in use, first unscrews interrupter porch joint, crack 3rd control valve, when pointer leaves
During zero-bit, the 3rd control valve is closed immediately, and now pointer should indicate normal value；Under normal pressure, at the piston in separate cavities
In the centre of stroke；During pressure change, piston slides up and down therewith, transmits pressure.
Spacer medium in pressure gauge is once revealed, and piston outflows and moved up with spacer medium, it is known that piston
The sealing-plug of end blocks the outlet of upper isolation body, and realization blocks path automatically, makes spacer medium not continue to outflow, play
The effect of safeguard protection, the pressure gauge after maintenance, can put back into again.
The beneficial effects of the utility model are；It is simple in construction, it is reasonable in design, it is easily worked, small volume, is easy to new clothes and changes
Dress；Contact is close when sealing-plug blocks the outlet of upper isolation body, plays safeguard protection effect；Piston is movable under pressure
Freely, indicator instruction is sensitive and accurate；Effectively prevent because spacer medium leakage and caused by pressure gauge failure, so as to ensure that
The safe operation of unit.
Brief description of the drawings
Below in conjunction with the accompanying drawings and embodiment, structure and features of the present utility model is further described.
Fig. 1 is principle schematic of the present utility model.
Fig. 2 is the structural representation of interrupter described in the utility model.
In accompanying drawing 1 and Fig. 2,1. pressure pipelines, 2. first control valves, 3. oil supply tanks, 4. second control valves, 5. interrupters
Inlet attack, 6. interrupters, 7. pressure tappings, 8. pressure gauges, 9. the 3rd control valves, 10. oil supply tank inlet attacks, 11.
Lower isolation body, 12. pistons, 13. sealing-plugs, 14. upper isolation bodies, 15. red copper pads, 16. separate cavities.
Embodiment
Accompanying drawing 1 and Fig. 2 are a kind of embodiment of the present utility model.
A kind of pipeline pressure detection device, including the first control valve 2 for being connected with pressure pipeline 1 and with the described first control
The oil supply tank 3 that valve 2 connects, the oil supply tank 3 divide for two-way, pass sequentially through the second control valve 4, interrupter 6 and pressure all the way
Table 8 is connected, and another way is connected by the 3rd control valve 9 with pressure gauge 8；The inside of the oil supply tank 3 be provided with intercommunication upper tank body and
Lower tank, the upper tank body top are provided with outlet, and the lower tank bottom is provided with entrance；The interrupter 6 include top every
In vitro 14 and lower isolation body 11, the upper isolation body 14 and the lower isolation body 11 form a separate cavities 16, it is described every
Be provided with piston 12 from the inside of chamber 16, the end of piston 12 is connected with sealing-plug 13, the sealing-plug 13 close to the top every
In vitro 14 outlet is set.
Preferably, red copper pad 15, corrosion-resistant effect are provided between the upper isolation body 14 and the lower isolation body 11
Fruit is obvious.
The piston 12 has the function of outflowing and move up with spacer medium.
The sealing-plug 13 is made of grease proofing rubber.
The size of the sealing-plug 13 and the outlet of the upper isolation body 14 match.
Embodiment of the present utility model during addition, is closed the first control valve 2, beaten before use, need to add spacer medium
The second control valve 4 and the 3rd control valve 9 are opened, unscrews interrupter inlet attack 5, oil supply tank inlet attack 10, passes through force (forcing) pump
At pressure tapping 7 add spacer medium, treat to flow out from interrupter inlet attack 5, oil supply tank inlet attack 10, tighten every
Disembark structure inlet attack 5, oil supply tank inlet attack 10, install pressure gauge 8, tighten pressure tapping 7, open the first control valve 2,
The second control valve 4 and the 3rd control valve 9 are closed, carries out the preparation before starting, a spacer medium is added every 3-5.
Embodiment of the present utility model when in use, first unscrews interrupter porch joint, crack 3rd control valve, when
When pointer leaves zero-bit, the 3rd control valve is closed immediately, and now pointer should indicate normal value, under normal pressure, in separate cavities
Piston be in the centre of stroke；During pressure change, piston slides up and down therewith, transmits pressure；Oil supply tank when in use, if
Testing medium overweights spacer medium, then oil supply tank entrance is exported upper under, if testing medium is lighter than spacer medium, entered
Mouth becomes outlet, and outlet is changed into entrance；Spacer medium in pressure gauge is once revealed, and piston is upward with spacer medium outflow
It is mobile, it is known that the sealing-plug of piston end blocks the outlet of upper isolation body, and realization blocks path automatically, makes spacer medium no longer
Continue to outflow, serve the effect of safeguard protection, the pressure gauge after maintenance, can put back into again.
Example structure of the present utility model is simple, reasonable in design, is easily worked, and small volume, is easy to new clothes and repacking；It is close
Contact is close when blocking blocks the outlet of upper isolation body, plays safeguard protection effect；Piston is movable under pressure freely,
Indicator instruction is sensitive and accurate；Effectively prevent because spacer medium leakage and caused by pressure gauge failure, so as to ensure that unit
Safe operation.
Described above is only preferred embodiment of the present utility model, and above-mentioned specific embodiment is not to the utility model
Limitation, retouching, modification or the equivalent substitution that all one of ordinary skill in the art are made as described above, belong to this reality
With new protection domain.
Claims (5)
- A kind of 1. pipeline pressure detection device, it is characterised in that：Including the first control valve for being connected with pressure pipeline and with it is described The oil supply tank of first control valve connection, the oil supply tank are divided into two-way, pass sequentially through the second control valve, interrupter and pressure all the way Power table is connected, and another way is connected by the 3rd control valve with pressure gauge；The upper tank body of intercommunication is provided with inside the oil supply tank with Tank body, the upper tank body top are provided with outlet, and the lower tank bottom is provided with entrance；The interrupter includes upper isolation body With lower isolation body, the upper isolation body and the lower isolation body form a separate cavities, are provided with and live inside the separate cavities Plug, the piston end are connected with sealing-plug, and the sealing-plug is exported close to the upper isolation body and set.
- 2. pipeline pressure detection device according to claim 1, it is characterised in that：The upper isolation body and the bottom Red copper pad is provided between slider.
- 3. pipeline pressure detection device according to claim 1, it is characterised in that：The piston has outside with spacer medium The function of flowing and move up.
- 4. pipeline pressure detection device according to claim 1, it is characterised in that：The sealing-plug uses grease proofing rubber system Into.
- 5. pipeline pressure detection device according to claim 1, it is characterised in that：The size of the sealing-plug with it is described on The outlet of portion's slider matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720937058.8U CN207114082U (en) | 2017-07-31 | 2017-07-31 | A kind of pipeline pressure detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720937058.8U CN207114082U (en) | 2017-07-31 | 2017-07-31 | A kind of pipeline pressure detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207114082U true CN207114082U (en) | 2018-03-16 |
Family
ID=61582679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720937058.8U Active CN207114082U (en) | 2017-07-31 | 2017-07-31 | A kind of pipeline pressure detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207114082U (en) |
-
2017
- 2017-07-31 CN CN201720937058.8U patent/CN207114082U/en active Active
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