CN206958489U - Positive and negative pressure closed type oil collecting device - Google Patents
Positive and negative pressure closed type oil collecting device Download PDFInfo
- Publication number
- CN206958489U CN206958489U CN201720752145.6U CN201720752145U CN206958489U CN 206958489 U CN206958489 U CN 206958489U CN 201720752145 U CN201720752145 U CN 201720752145U CN 206958489 U CN206958489 U CN 206958489U
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- Prior art keywords
- valve
- conduit
- screw rod
- connecting leg
- positive
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- 239000010779 crude oil Substances 0.000 claims abstract description 28
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 210000004907 gland Anatomy 0.000 claims abstract description 16
- 239000003921 oil Substances 0.000 claims abstract description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000011084 recovery Methods 0.000 abstract description 8
- 238000004880 explosion Methods 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Landscapes
- Pipeline Systems (AREA)
Abstract
The utility model provides a positive and negative pressure closed oil receiving device, which comprises a hand wheel, a bracket sealing gland, a sealing box and a connecting pipe which are connected in sequence from top to bottom, wherein the connecting pipe is vertically communicated with a crude oil pipeline, and a control valve is connected on the connecting pipe in series; the center of the hand wheel is connected with a screw rod in a threaded manner, the lower end of the screw rod is connected with a guide pipe, the guide pipe extends into the connecting pipe, and the screw rod rotates along with the hand wheel to drive the guide pipe to move up and down along the axial direction of the connecting pipe. The positive-negative pressure closed oil collecting device adopts a closed leakage-free design, and has the advantages of simple structure, convenient operation, high pressure resistance, wide application range and high safety factor. When the device is operated, the crude oil is recovered in a closed manner on site, so that the environmental pollution on site is avoided, and the fire explosion risk is reduced. And nitrogen replacement is adopted in the recovery process, so that the crude oil in the pipe is completely recovered while nitrogen protection is carried out on the fire operation of the pipe.
Description
Technical field
The utility model belongs to crude oil pipeline field, and in particular to a kind of positive/negative-pressure enclosed oil-collecting device.
Background technology
Due to local construction industry park, expressway, railway etc. reason, crude oil pipeline and the local construction land used in oil field are handed over
Fork, stopping transportation maintenance be present, block and relocate, abolish the operations such as disposal, must be to the crude oil in pipeline before every job requirements construction
Reclaimed.At present, the mode that crude oil recovery is mainly taken is selection maintenance segment pipe low spot pipe cutting or perforate, is set on ground
Outdoor receipts oil pit recovery crude oil, then roping is transported or packed with tank car.It is primarily present problem：The outdoor collection of crude oil easily causes environment
The problems such as pollution, has fire explosion equivalent risk, and personnel labor intensity is big, makes troubles, or even cause to pipeline construction operation
Serious social influence, a kind of applicable receipts oil instrument is had no so far.
Utility model content
The purpose of this utility model be solve to have environmental pollution, fire when carrying out outdoor recovery to the crude oil in pipeline it is quick-fried
The problem of fried and personnel labor intensity is big.
Therefore, the utility model provides a kind of positive/negative-pressure enclosed oil-collecting device, including the hand being from top to bottom sequentially connected
Wheel, support sealing gland, seal box and connecting leg, connecting leg vertical connection is in concatenating control valve on crude oil pipeline, connecting leg；
Handwheel center is threadedly coupled screw rod, and screw rod lower end is connected to conduit, and conduit passes through support sealing gland, seal box
Stretch into connecting leg, screw rod drives conduit axially to be moved up and down along connecting leg with hand wheel rotating；
Valve two is installed, valve two is located above control valve on the connecting leg tube wall；The tube wall of conduit is provided with to hang down with conduit
Direct-connected logical horizontal tube, guide groove is opened up vertically on the tube wall of support sealing gland, horizontal tube passes through support sealing gland
Tube wall simultaneously moves up and down along guide groove with conduit, and horizontal tube extension concatenates valve one, and valve one is located at seal box top.
The extreme lower position that the conduit moves down with screw rod is that conduit bottom end opening stretches into crude oil pipeline inner bottom part, upwards
Mobile extreme higher position is conduit bottom end opening between valve two and control valve.
The valve one connects self-priming oil truck, and valve two connects nitrogen air accumulator.
The hand wheel rotating device, support sealing gland, screw rod, seal box, connecting leg, conduit, valve one and valve two be not using
It is made with steel material.
The beneficial effects of the utility model：This positive/negative-pressure enclosed oil-collecting device provided by the utility model, is resistant to
Pressure 4Mpa, work suitable for crude oil recovery in the pipe before 4 cun to 24 cun long output oil pipeline construction operations, be also applied for other
There is no corrosive liquid in pipe to reclaim.Positive/negative-pressure enclosed oil-collecting device is designed using closed No leakage, forms simple, operation side
Just, proof pressure is high, the scope of application is wide in range, safety coefficient is high.The utensil in operation, take closed time by live crude oil recovery
Receive, prevented site environment pollution, cut down fire explosion risk.Nitrogen displacement is taken in removal process, is moved to pipeline
While fiery operation carries out nitrogen protection, the thorough recovery of crude oil in pipe is accomplished.
The utility model is described in further details below with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is the schematic diagram under positive/negative-pressure enclosed oil-collecting device normal condition.
Fig. 2 is the schematic diagram under positive/negative-pressure enclosed oil-collecting device working condition.
Description of reference numerals：1st, hand wheel rotating device；2nd, support sealing gland；3rd, screw rod；4th, seal box；5th, connecting leg；6、
Conduit；7th, control valve；8th, valve one；9th, valve two；10th, crude oil pipeline.
Embodiment
Embodiment 1：
As depicted in figs. 1 and 2, a kind of positive/negative-pressure enclosed oil-collecting device is present embodiments provided, including from top to bottom successively
Handwheel 1, support sealing gland 2, seal box 4 and the connecting leg 5 of connection, the vertical connection of connecting leg 5 are gone here and there on crude oil pipeline 10, connecting leg 5
Then control valve 7；
The center of handwheel 1 is threadedly coupled screw rod 3, and the lower end of screw rod 3 is connected to conduit 6, conduit 6 through support sealing gland 2,
Seal box 4 is stretched into connecting leg 5, and screw rod 3 rotates with handwheel 1 drives conduit 6 axially to be moved up and down along connecting leg 5；
Valve 29 is installed, valve 29 is located at the top of control valve 7 on the tube wall of connecting leg 5；The tube wall of conduit 6 is provided with leading
The horizontal tube of the vertical connection of pipe 6, guide groove is opened up on the tube wall of support sealing gland 2 vertically, and horizontal tube is close through support
The tube wall of sealed cover 2 simultaneously moves up and down along guide groove with conduit 6, and horizontal tube extension concatenates valve 1, and valve 1 is positioned at sealing
The top of box 4.
The use of positive/negative-pressure enclosed oil-collecting device and the course of work are as follows：
When malleation receives oily：Handwheel 1 is rotated, screw rod 3 rotates with handwheel 1 drives conduit 6 to stretch into crude oil pipeline 10 along connecting leg 5
Interior, until the bottom end opening of conduit 6 stretches into the inner bottom part of crude oil pipeline 10, as shown in figure 1, opening valve 1, valve 29 connects compressed nitrogen
Gas, valve 29 is slowly opened after nitrogen pressure rise, compressed nitrogen is entered connecting leg 5 and the annular space space of conduit 6, passes through pore
Into the internal upper part space of crude oil pipeline 10, crude oil enters oil receiving equipment by conduit 6 and valve 1 under pressure in pipe.
When negative pressure receives oily：Valve 1 connects self-priming oil truck, and valve 2 connects normal pressure nitrogen.Start self-priming oil truck and treat that tank car is born
After pressure rises, valve 1 is slowly opened, crude oil enters self-priming oil truck, root under suction function by conduit 6 and valve 1 in pipe
Valve 29 is slowly opened according to vacuum table gauge pressure, nitrogen is entered connecting leg 5 and the annular space space of conduit 6, crude oil pipeline is entered by pore
10 internal upper part spaces, until crude oil recovery is completed in pipe.
The utility model is using the design of closed No leakage, composition is simple and convenient to operate, proof pressure is high, the scope of application is wide
It is general, safety coefficient is high.
Embodiment 2：
On the basis of embodiment 1, in order to carry out receiving oil, as shown in figure 1, the conduit 6 moves down most with screw rod 3
Lower position is that the bottom end opening of conduit 6 stretches into the inner bottom part of crude oil pipeline 10, after the completion of receiving oil, as shown in Fig. 2 rotating handwheel 1, screw rod
3 rotate drive conduit 6 with handwheel 1 moves up along connecting leg 5, and the extreme higher position moved up is that the bottom end opening of conduit 6 is located at
Between valve 29 and control valve 7.
In use, the center of handwheel 1 is threadedly coupled screw rod 3, handwheel 1, the turn downward or upward of screw rod 3 are rotated, and then drive
Conduit 6 moves up and down, and the bottom end opening of conduit 6 is located in crude oil pipeline 10 or in connecting leg 5.
Embodiment 3：
On the basis of embodiment 1, during actually oil is received, the valve 1 connects self-priming oil truck, and valve 29 connects
Nitrogen air accumulator.
Embodiment 4：
On the basis of embodiment 1, in order to extend positive/negative-pressure enclosed oil-collecting device service life, and for ensuring
Device is resistant to be stressed, the hand wheel rotating device 1, support sealing gland 2, screw rod 3, seal box 4, connecting leg 5, conduit 6, valve one
8 and valve 29 be made of different steel materials.Existing steel material has a many kinds, hand wheel rotating device 1 in the present embodiment,
Support sealing gland 2, screw rod 3, seal box 4, connecting leg 5, conduit 6, valve 1 and valve 29 use existing different steel material systems
Into.
Exemplified as above is only for example, not forming to the scope of protection of the utility model to of the present utility model
Limitation, it is every to be belonged to the same or analogous design of the utility model within protection scope of the present invention.The present embodiment does not have
The part and the well-known components and common structure or conventional means of the structure category industry described in detail, is not described one by one here.
Claims (4)
- A kind of 1. positive/negative-pressure enclosed oil-collecting device, it is characterised in that：Including the handwheel being from top to bottom sequentially connected（1）, support it is close Sealed cover（2）, seal box（4）And connecting leg（5）, connecting leg（5）Vertical connection is in crude oil pipeline（10）, connecting leg（5）On concatenate and control Valve processed（7）；Handwheel（1）Center is threadedly coupled screw rod（3）, screw rod（3）Lower end is connected to conduit（6）, conduit（6）Sealed through support Gland（2）, seal box（4）Stretch into connecting leg（5）It is interior, screw rod（3）With handwheel（1）Rotate and drive conduit（6）Along connecting leg（5）Axially Move up and down；The connecting leg（5）Valve two is installed on tube wall（9）, valve two（9）Positioned at control valve（7）Top；Conduit（6）Tube wall on set Have and conduit（6）The horizontal tube of vertical connection, support sealing gland（2）Tube wall on open up guide groove, horizontal tube vertically Through support sealing gland（2）Tube wall and along guide groove with conduit（6）Move up and down, horizontal tube extension concatenates valve one （8）, valve one（8）Positioned at seal box（4）Top.
- 2. positive/negative-pressure enclosed oil-collecting device as claimed in claim 1, it is characterised in that：The conduit（6）With screw rod（3）Downwards Mobile extreme lower position is conduit（6）Bottom end opening stretches into crude oil pipeline（10）Inner bottom part, the extreme higher position moved up are to lead Pipe（6）Bottom end opening is located at valve two（9）And control valve（7）Between.
- 3. positive/negative-pressure enclosed oil-collecting device as claimed in claim 1, it is characterised in that：The valve one（8）Connect self-priming oil tank Car, valve two（9）Connect nitrogen air accumulator.
- 4. positive/negative-pressure enclosed oil-collecting device as claimed in claim 1, it is characterised in that：The handwheel（1）, support sealing gland （2）, screw rod（3）, seal box（4）, connecting leg（5）, conduit（6）, valve one（8）With valve two（9）It is made of different steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720752145.6U CN206958489U (en) | 2017-06-27 | 2017-06-27 | Positive and negative pressure closed type oil collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720752145.6U CN206958489U (en) | 2017-06-27 | 2017-06-27 | Positive and negative pressure closed type oil collecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206958489U true CN206958489U (en) | 2018-02-02 |
Family
ID=61386254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720752145.6U Active CN206958489U (en) | 2017-06-27 | 2017-06-27 | Positive and negative pressure closed type oil collecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206958489U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110879288A (en) * | 2018-09-05 | 2020-03-13 | 中国石油天然气股份有限公司 | Lubrication detection device |
-
2017
- 2017-06-27 CN CN201720752145.6U patent/CN206958489U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110879288A (en) * | 2018-09-05 | 2020-03-13 | 中国石油天然气股份有限公司 | Lubrication detection device |
| CN110879288B (en) * | 2018-09-05 | 2023-02-28 | 中国石油天然气股份有限公司 | Lubrication detection device |
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| GR01 | Patent grant |