CN207674020U - A kind of multifunctional oil gas blind plate - Google Patents
A kind of multifunctional oil gas blind plate Download PDFInfo
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- CN207674020U CN207674020U CN201721694496.2U CN201721694496U CN207674020U CN 207674020 U CN207674020 U CN 207674020U CN 201721694496 U CN201721694496 U CN 201721694496U CN 207674020 U CN207674020 U CN 207674020U
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- blind plate
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Abstract
The utility model describes a kind of multifunctional oil gas blind plate, including blind plate, connecting pipe, valve and pressure gauge；It is provided with plate face downward vertically to the through-hole of circumference upwards respectively in the plate face of blind plate side, the through-hole of blind plate upper end is used as gas vent and air-filled pore respectively, and opening direction is straight up；The through-hole of blind plate lower end is used as drainage hole, and opening direction straight down, and positioned at the minimum point of blind plate, is completely exhausted out convenient for liquid；Connecting pipe one end is connect with gas vent, air-filled pore and the drainage hole on blind plate circumference respectively, and other end connecting valve, pressure gauge is arranged on blind plate to the connecting pipe between valve.The utility model has advantageous effect below：It is simple in structure at low cost, it is easy to use during Process Piping Construction, construction cost is reduced, working efficiency is improved.
Description
Technical field
The utility model is related to pressure testing, rows during petrochemical plant equipment, process pipe engineering construction or checking maintenance
The blind plate that deflation body or liquid medium and filling gas or liquid medium use, especially a kind of multifunctional oil gas blind plate.
Background technology
In recent years, for major Petrochemical Enterprises in order to adapt to refinery sulfur-bearing, inferior quality crude oil material, build adds hydrogen dress more
Set, and pressure piping when constructing need to the experiment of being sealed property, when maintenance interior media need to be discharged after inspect periodically；
Flanged joint is used between hydrogenation reactor and high pressure heat exchanger, in overhaul of the equipments or when changing agent, equipment internal residual need to be set
The flushing oil used instead is discharged, while air scurries into catalyst bed in order to prevent and heat exchanger causes spontaneous combustion, more than discharge
Nitrogen need to be injected when oily and carries out gas displacement, if using conventional blind plate, according to the difference of process and job content, needed multiple
It is replaced, in working efficiency, the timeliness etc. of cost control, maintenance, causes personnel, machinery, time-related waste,
It is additional to increase cost.
In order to improve working efficiency, the cost of reduction personnel, machinery, material etc. improve construction operation efficiency,
And can guarantee construction safety, quality, convenient and efficient, a kind of multifunctional oil gas blind plate need to be designed, to meet process pipe examination
Pressure, the construction of high-pressure hydrogenation reactor, checking maintenance, while meeting the recycling of oil gas blind plate, standardization.
Invention content
The technical problem to be solved by the utility model is to provide a kind of multifunctional oil gas blind plates, facilitate process duct
Road, high-pressure reactor, high-pressure bottle etc. need to carry out filling liquid hydraulic test；When checking maintenance in device docking process, carries out pipeline, holds
Extraction raffinate is discharged in device；When gas displacement, facilitates medium isolation, the filling of media discharge and spacer medium, make process pipe, pressure
The construction of container, checking maintenance improve working efficiency, reduce personnel, machinery, material input, operational standardization.
In order to realize that the purpose for solving above-mentioned technical problem, the utility model use following technical solution：A kind of more work(
Energy oil gas blind plate, it is characterized in that：Including blind plate, connecting pipe, valve and pressure gauge；
The blind plate is circular plate, and plate face is provided with downward vertically to circumference upwards respectively in the plate face of blind plate side
The through-hole of through-hole, blind plate upper end is used as gas vent and air-filled pore respectively, and opening direction is straight up；The through-hole of blind plate lower end is used as
Drainage hole, opening direction straight down, and positioned at the minimum point of blind plate, are completely exhausted out convenient for liquid；
Described connecting pipe one end is connect with gas vent, air-filled pore and the drainage hole on blind plate circumference respectively, and the other end connects
Valve is connect, pressure gauge is arranged on blind plate to the connecting pipe between valve.
Specifically, one or more can be respectively arranged in the gas vent, air-filled pore and drainage hole.
Specifically, the gas vent apart from pipe flange sealing surface inside edge distance in 5-20mm ranges, air-filled pore
It is arranged in 20-100mm ranges.Gas vent is used for discharge line internal residual toxic combustible gas, and gas vent is apart from flange seal
Face inside top is closer, is more conducive to the smaller gas outlet pipe road of density；Air-filled pore is used to be filled with indifferent gas to the inside of pipeline
Body or non-combustible gas, to pipeline inside toxic combustible gas into line replacement, air-filled pore need to be apart from sealing surface inside top phase
It is close to gas vent positional distance blind plate center, be more conducive to drive pernicious gas inside pipeline.
Specifically, the material of the blind plate is identical as the flange material of required installation site.
Specifically, the size of the blind plate and the flange of its installation site match, thickness is according to institute's installation site two
Gap among piece flange determines, it is ensured that after flange bolt fastening, it can be ensured that contact surface adds the sealing after gasket, and blind
Plate thickness need to meet the thickness needed for setting gas vent, air-filled pore and drainage hole, and institute's trepanning depth is not on blind plate thickness direction
It can exceed that the half of blind plate thickness.
Specifically, the blind plate thickness is not less than 20mm, blind plate plate face aperture is identical as aperture on circumference, is not less than
8mm。
In use, first according to the big little makings blind plate according to the pressure rating of pressure vessel or pipeline, installation site flange；
Connect corresponding connecting pipe, valve and pressure gauge；Since the multifunctional oil gas blind plate of this patent is used for operative employee with pressure
Therefore condition needs to carry out non-destructive testing, it is ensured that safe to use after completing.
The conduit fittings that blind plate installation is influenced according to the valve of installation site flange, in-line meter etc., suitably adjusts blind plate
The angle of installation so that blind plate is located at flange sealing surface, it is ensured that the gas in pipeline can be emptied from the gas vent of blind plate upper end,
Liquid can all be discharged from the drainage hole of blind plate least significant end, when need to carry out pipeline or gas in container displacement, the inflation from upper end
Hole is ventilated, no to connect hole, must confirm valve Close All before carrying out operation.
The multifunctional oil gas blind plate of this patent is mounted on Process Piping Construction installation is complete the pressure testing rank of flanged joint
Section or refining and petrochemical processing units process pipe or pressure vessel checking maintenance stoppage phase；When pipeline or pressure vessel pressure testing are completed or are examined
After the completion of repairing shut-down, multifunctional oil gas blind plate can be removed according to technological requirement.
These technical solutions, including improved technical solution and further improved technical solution can also be combined with each other
Or combine, to reach superior technique effect.
By using above-mentioned technical proposal, the utility model has advantageous effect below：
（1）It is simple in structure at low cost by using multifunctional oil gas blind plate, user during Process Piping Construction
Just, construction cost is reduced, working efficiency is improved.
（2）By reusing multifunctional oil gas blind plate, during maintenance is stopped work, exhaust, drain can be once completed
It with the operations such as inflation, filling liquid, is not required to repeatedly be replaced, you can complete different job contents, reduce pressure testing material, welding is set
The input of the works such as standby, jack equipment and construction personnel reduce production cost.
（3）The setting of pressure gauge can at any time in monitoring pressure container or pipeline pressure value, ensure that the safety of construction
Property.
Description of the drawings
Fig. 1 is the schematic diagram of the multifunctional oil gas blind plate of this patent.
Fig. 2 is the side cutaway view of the blind plate of the multifunctional oil gas blind plate of this patent.
Fig. 3 be this patent multifunctional oil gas blind plate on pipeline scheme of installation.
In figure, 1- blind plates, 11- gas vents, 12- drainage holes, 13- air-filled pores, 2- connecting pipes, 3- valves, 4- pressure gauges,
5- flange sealing surfaces.
Specific implementation mode
This patent is further explained below in conjunction with the accompanying drawings.But the protection domain of this patent is not limited to specifically implement
Mode.
Embodiment 1
As shown in Figs. 1-2, a kind of multifunctional oil gas blind plate 1 of this patent, it is characterized in that：Including blind plate 1, connecting tube
Road 2, valve 3 and pressure gauge 4；
Blind plate 1 is the circular plate that thickness is 30 mm, is arranged in 1 side plate face of blind plate there are three hole, 1 upper end of blind plate
Two holes penetrate through along blind plate thickness direction to blind plate circumference from blind plate plate face outward respectively, form plate face leading to circumference
Hole, half of institute's trepanning depth no more than blind plate thickness on blind plate thickness direction；Two holes of 1 upper end of blind plate are used as respectively
Gas vent 11 and air-filled pore 13, opening direction is straight up；The hole of 1 lower end of blind plate is used as drainage hole 12, opening direction vertically to
Under, and positioned at the minimum point of blind plate 1, be completely exhausted out convenient for liquid；Gas vent is apart from 5 inside edge distance of pipe flange sealing surface
In 18mm, air-filled pore is arranged at 40mm.
2 one end of connecting pipe is connect with gas vent 11, air-filled pore 13 and the drainage hole 12 on blind plate circumference respectively, the other end
Connecting valve 3, pressure gauge 4 are arranged on blind plate 1 to the connecting pipe 2 between valve 3.
In use, first according to the big little makings blind plate 1 according to the pressure rating of pipeline, installation site flange；Connection is corresponding
Connecting pipe 2, valve 3 and pressure gauge 4；It is carried out non-destructive testing after completing.
In mounted pressure testing pipeline section, other are connect and is isolated at hole, in position to be tested, strutted using flange dilator
Multifunctional oil gas blind plate 1 is put by two panels flange so that blind plate is located at flange sealing surface 5, by 11 direction of gas vent to
On, 12 direction of drainage hole is downwards and positioned at the minimum point of blind plate 1；By the drainage hole 12 of the gas vent 11 of 1 upper end of blind plate and lower end
It is closed by valve 3, the determination of pressure gauge 4 is to examine and determine in the term of validity, and need to install corresponding pressure gauge according to pipeline pressure test value
4。
When water-filling pressure testing, by air-filled pore 13 into pipeline in the injecting process, need to pay close attention to pipeline institute pressure testing pipeline section can
The position that can have leak source need to stop pressure testing in time if there is leak source, and leak source reason is carried out after manifold pressure pressure release,
Blind plate 1 after the completion of pressure testing, need to be removed after 1 drainage hole 12 of blind plate opens 3 pressure release of valve, replaced formal by then pressure testing again
Gasket restores flange；Connecting pipe 2 inside blind plate 1 need to be dried, maintain progress storage after the completion.
Embodiment 2
The technical solution of the present embodiment is identical with embodiment 1, but for inflating displacement；It is reacted for hydrogenation plant
The parking operation of device, hydrogenation reactor is since working environment belongs to high temperature and pressure, when mounted, between reactor and reactor,
Between reactor and heat exchanger generally other than maintenance connects hole using flanged joint, other junctions are all welded, and
Reactor in docking process since internal accelerator is more, and easily containing sulfur dioxide, ferrous sulfide, hydrogen, remaining oil product etc.
Fire explosive medium, encounter air will spontaneous combustion therefore during reactor shutdowns, reactor, heat exchanger need to be connected
Pipeline internal residual oil product is discharged, and inflated with nitrogen to equipment internal gas into line replacement.
During reactor shutdowns first by reactor portal pipe flange open, carry out oil extraction, when oil is emitted into oil-free
When, the flange that portals is strutted using flange dilator, between multifunctional oil gas blind plate 1 is put into two panels flange, while using inflation
Nitrogen is filled in hole 13 to inside reactor, to inside reactor gas into line replacement, the then regular oil extraction of drainage hole 12, by catalyst
The remaining oil product of middle storage is discharged, and connect hole in reactor head instrument detects nitrogen gas concn using gas concentration detector,
After reaching 90% concentrations above, reactor can be opened and carry out checking maintenance.
During the 10 residual hydrogenation reactor maintenance of certain petro-chemical corporation are stopped work, using the technical program, realize anti-
Answer device quickly drain the oil, gas displacement work so that reactor service work is smoothly implemented, and every reactor shortens check man
Phase reduces personnel's input and security risk.
Claims (6)
1. a kind of multifunctional oil gas blind plate, it is characterized in that：Including blind plate, connecting pipe, valve and pressure gauge；
The blind plate is circular plate, is provided with plate face leading to circumference in the plate face of blind plate side downward vertically upwards respectively
The through-hole in hole, blind plate upper end is used as gas vent and air-filled pore respectively, and opening direction is straight up；The through-hole of blind plate lower end is used as row
Fluid apertures, opening direction straight down, and positioned at the minimum point of blind plate, are completely exhausted out convenient for liquid；
Described connecting pipe one end is connect with gas vent, air-filled pore and the drainage hole on blind plate circumference respectively, other end connection valve
Door, pressure gauge are arranged on blind plate to the connecting pipe between valve.
2. multifunctional oil gas blind plate according to claim 1, it is characterized in that：Gas vent, air-filled pore and the row
One or more can be respectively arranged in fluid apertures.
3. multifunctional oil gas blind plate according to claim 1, it is characterized in that：The gas vent is apart from pipe flange
Sealing surface inside edge distance is arranged in 5-20mm ranges, air-filled pore in 20-100mm ranges.
4. multifunctional oil gas blind plate according to claim 1, it is characterized in that：The material of the blind plate and required peace
The flange material of holding position is identical.
5. multifunctional oil gas blind plate according to claim 1, it is characterized in that：The size of the blind plate is installed with it
The flange of position matches, and thickness is determined according to the gap among institute's installation site two panels flange, it is ensured that in flange bolt fastening
Afterwards, it can be ensured that contact surface adds the sealing after gasket, and blind plate thickness need to meet setting gas vent, air-filled pore and drainage hole institute
The thickness needed, half of institute's trepanning depth no more than blind plate thickness on blind plate thickness direction.
6. multifunctional oil gas blind plate according to claim 1, it is characterized in that：The blind plate thickness is not less than 20mm,
Blind plate plate face aperture is identical as aperture on circumference, is not less than 8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721694496.2U CN207674020U (en) | 2017-12-08 | 2017-12-08 | A kind of multifunctional oil gas blind plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721694496.2U CN207674020U (en) | 2017-12-08 | 2017-12-08 | A kind of multifunctional oil gas blind plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207674020U true CN207674020U (en) | 2018-07-31 |
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ID=62968509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721694496.2U Active CN207674020U (en) | 2017-12-08 | 2017-12-08 | A kind of multifunctional oil gas blind plate |
Country Status (1)
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| CN (1) | CN207674020U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114593221A (en) * | 2022-02-18 | 2022-06-07 | 天津英康科技股份有限公司 | Online isolation method for gas pipeline |
| CN114935061A (en) * | 2022-04-24 | 2022-08-23 | 广东韶钢松山股份有限公司 | Blind plate for transmission pipeline |
-
2017
- 2017-12-08 CN CN201721694496.2U patent/CN207674020U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114593221A (en) * | 2022-02-18 | 2022-06-07 | 天津英康科技股份有限公司 | Online isolation method for gas pipeline |
| CN114593221B (en) * | 2022-02-18 | 2024-02-23 | 天津英康科技股份有限公司 | Online isolation method for gas pipeline |
| CN114935061A (en) * | 2022-04-24 | 2022-08-23 | 广东韶钢松山股份有限公司 | Blind plate for transmission pipeline |
| CN114935061B (en) * | 2022-04-24 | 2023-10-31 | 广东韶钢松山股份有限公司 | Blind plate for transmission pipeline |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Peng Inventor after: Yang Xiaohong Inventor after: Dong Libo Inventor after: Li Zhibo Inventor after: Gou Mingyue Inventor after: Wei Peng Inventor after: Fan Yonggang Inventor after: Zhang Hong Inventor after: Guo Jie Inventor before: Liu Peng Inventor before: Yang Xiaohong Inventor before: Dong Libo Inventor before: Li Zhibo Inventor before: Gou Mingyue Inventor before: Guo Jie |