CN206723841U - A kind of on-line automatic blowdown apparatus of gas pipeline yard - Google Patents
A kind of on-line automatic blowdown apparatus of gas pipeline yard Download PDFInfo
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- CN206723841U CN206723841U CN201720317349.7U CN201720317349U CN206723841U CN 206723841 U CN206723841 U CN 206723841U CN 201720317349 U CN201720317349 U CN 201720317349U CN 206723841 U CN206723841 U CN 206723841U
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- fluid level
- transmitter
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Abstract
A kind of on-line automatic blowdown apparatus of gas pipeline yard is the utility model is related to, including：Filter, its bottom are connected with liquid collecting bag, and liquid collecting, which is wrapped, sets two fluid level transmitters；Blowdown pipeline, its one end and liquid collecting Bao Lian, if the first safety cut-off valve, the first technique ball valve, Liquid level adjusting valve, the second technique ball valve, pressure transmitter, the second safety cut-off valve；Blowdown remittance tank, itself and the blowdown pipeline other end connect, if the 3rd fluid level transmitter；Instrument junction box, it connects with three fluid level transmitters, two safety cut-off valves, Liquid level adjusting valve, pressure transmitter.The beneficial effects of the utility model are：Ensure the safety of yard operation, reduce operational risk and be advantageous to energy-saving and emission-reduction, and it can be monitored by SCADA system.
Description
Technical field
It the utility model is related to a kind of on-line automatic blowdown apparatus of gas pipeline yard.
Background technology
For the drainage in gas pipeline yard, traditional device is that a ball valve and one are set on blowdown branch road
Blowoff valve, this device can only realize offline manual blowdown, i.e., when being run when branched pipeline equipment difference (when having emergency bypass),
Emergency bypass is first turned on, closes the upstream and downstream ball valve for needing blowdown branch road, is then turned on being vented valve, gas pressure is put
Below sky to safe working pressure, emptying valve is turned off, ball valve is finally opened again and blowoff valve carries out blowdown.
The shortcomings that such a offline blowdown apparatus is：
1st, after emergency bypass must being enabled, can just blowdown be carried out to the equipment on present branch；
2nd, uncontrollable discharge pressure, easily causes to damage, or even damage operations staff to upstream device；
3rd, blowdown automaticity is low, and manual blowdown operating procedure is complicated, increases operations staff's workload and maloperation machine
Rate.
Utility model content
Weak point present in regarding to the issue above, the utility model provide a kind of on-line automatic row of gas pipeline yard
Dirty device, ensure the safety of yard operation, reduce operational risk and be advantageous to energy-saving and emission-reduction, and SCADA systems can be passed through
System is monitored to it.
To achieve the above object, the utility model provides a kind of on-line automatic blowdown apparatus of gas pipeline yard, the device
Including：
Filter, its bottom are connected with liquid collecting bag, and the liquid collecting is wrapped provided with the first fluid level transmitter and the change of the second liquid level
Send device；
Blowdown pipeline, its one end are connected with the liquid collecting bag, and the blowdown pipeline is provided with the first technique ball valve, and described
The upstream of one technique ball valve is provided with the first safety cut-off valve, and the downstream of the first technique ball valve is provided with Liquid level adjusting valve, described
The downstream of Liquid level adjusting valve is provided with the second technique ball valve, and the downstream of the second technique ball valve is provided with the second safety cut-off valve, institute
The blowdown pipeline stated between the second technique ball valve and second safety cut-off valve is provided with pressure transmitter；
Blowdown remittance tank, it is connected with the blowdown pipeline other end, and the blowdown remittance tank is provided with the 3rd fluid level transmitter；
Instrument junction box, itself and first fluid level transmitter, second fluid level transmitter, first safety cut-off
Valve, the Liquid level adjusting valve, the pressure transmitter, second safety cut-off valve connect with the 3rd fluid level transmitter,
First fluid level transmitter accesses the instrument junction box by first instrument cable, and second fluid level transmitter passes through the
Two instrument cables access the instrument junction box, and first safety cut-off valve accesses the instrument by the 3rd instrument cable and connect
Line case, the Liquid level adjusting valve access the instrument junction box by the 4th instrument cable, and the pressure transmitter passes through the 5th
Instrument cable accesses the instrument junction box, and second safety cut-off valve accesses the instrument wiring by the 6th instrument cable
Case, the 3rd fluid level transmitter access the instrument junction box by the 7th instrument cable.
Further improved as the utility model, first fluid level transmitter and second fluid level transmitter are logical
The flange for crossing fluid level transmitter side is connected with the liquid collecting bag.
Further improved as the utility model, first fluid level transmitter and second fluid level transmitter are
Magnetostrictive liquid level transducer.
Further improved as the utility model, first fluid level transmitter is connected with the Liquid level adjusting valve, institute
The second fluid level transmitter is stated to be connected with first safety cut-off valve, the 3rd fluid level transmitter and the pressure transmitter with
The second safety cut-off valve connection.
Further improved as the utility model, the clipping room of the Liquid level adjusting valve and the first technique ball valve away from
Not less than 600mm.
Further improved as the utility model, the Liquid level adjusting valve is axial-flow type Liquid level adjusting valve.
Further improved as the utility model, the first technique ball valve and the second technique ball valve are to block
Ball valve.
Further improved as the utility model, the Liquid level adjusting valve is connected with the first executing agency.
Further improved as the utility model, first safety cut-off valve is connected with the second executing agency.
Further improved as the utility model, second safety cut-off valve is connected with the 3rd executing agency.
The beneficial effects of the utility model are：
Ensure the safety of yard operation, reduce operational risk and be advantageous to energy-saving and emission-reduction, and SCADA systems can be passed through
System is monitored to it.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the on-line automatic blowdown apparatus of gas pipeline yard of the utility model.
In figure：
1st, filter；2nd, the first fluid level transmitter；3rd, the second fluid level transmitter；4th, the 3rd fluid level transmitter；5th, blowdown branch
Road；6th, the first safety cut-off valve；7th, the first technique ball valve；8th, Liquid level adjusting valve；9th, the second technique ball valve；10th, the second safety is cut
Disconnected valve；11st, pressure transmitter；12nd, blowdown drum；13rd, instrument junction box；14th, liquid collecting bag；15th, first instrument cable；16th, second
Instrument cable；17th, the 3rd instrument cable；18th, the 4th instrument cable；19th, the 5th instrument cable；20th, the 6th instrument cable；21、
7th instrument cable.
Embodiment
As shown in figure 1, a kind of on-line automatic blowdown apparatus of gas pipeline yard described in the utility model embodiment, the dress
Put including：Filter 1, blowdown pipeline 5, blowdown remittance tank 12, instrument junction box 13.
The bottom of filter 1 is connected with liquid collecting bag 14, and liquid collecting bag 14 is provided with the first fluid level transmitter 2 and the second level transmitting
Device 3.First fluid level transmitter 2 and the second fluid level transmitter 3 are connected by the flange of fluid level transmitter side with liquid collecting bag 14.
The one end of blowdown pipeline 5 is connected with liquid collecting bag 14, and blowdown pipeline 5 is provided with the first technique ball valve 7, the first technique ball valve
7 upstream is provided with the first safety cut-off valve 6, and the downstream of the first technique ball valve 7 is provided with Liquid level adjusting valve 8, under Liquid level adjusting valve 8
Trip is provided with the second technique ball valve 9, and the downstream of the second technique ball valve 9 is provided with the second safety cut-off valve 10, the second technique ball valve 9 and the
Blowdown pipeline 5 between two safety cut-off valves 10 is provided with pressure transmitter 11.
Blowdown remittance tank 12 is connected with the other end of blowdown pipeline 5, and blowdown remittance tank 12 is provided with the 3rd fluid level transmitter 4.
The fluid level transmitter 2 of instrument junction box 13 and first, the second fluid level transmitter 3, the first safety cut-off valve 6, liquid level are adjusted
Section valve 8, pressure transmitter 11, the second safety cut-off valve 10 and the 3rd fluid level transmitter 4 connect, and the first fluid level transmitter 2 passes through
First instrument cable 15 accesses instrument junction box 13, and the second fluid level transmitter 3 accesses instrument wiring by second instrument cable 16
Case 13, the first safety cut-off valve 6 access instrument junction box 13 by the 3rd instrument cable 17, and Liquid level adjusting valve 8 passes through the 4th instrument
Table cable 18 accesses instrument junction box 13, and pressure transmitter 11 accesses instrument junction box 13 by the 5th instrument cable 19, and second
Safety cut-off valve 10 accesses instrument junction box 13 by the 6th instrument cable 20, and the 3rd fluid level transmitter 4 passes through the 7th instrument electricity
Cable 21 accesses instrument junction box 13.
In order to ensure the chain control to Liquid level adjusting valve 8, the first fluid level transmitter 2 is connected with Liquid level adjusting valve 8；For
Ensure the chain control to the second fluid level transmitter 3 to the first safety cut-off valve 6, the second fluid level transmitter 3 is pacified with first
Full stop valve 6 connects；In order to ensure chain control of the 3rd fluid level transmitter 4 to the second safety cut-off valve 10, by the 3rd liquid level
Transmitter 4 is connected with the second safety cut-off valve 10；In order to ensure chain control of the pressure transmitter 11 to the second safety cut-off valve 10
System, pressure transmitter 11 are connected with the second safety cut-off valve 10.
Wherein,
First fluid level transmitter 2 and the second fluid level transmitter 3 are magnetostrictive liquid level transducer, and transmitter passes through side
Flange is installed.First fluid level transmitter 2 is used for chain control Liquid level adjusting valve 8, sets HiAlm limit value and low alarm limits；The
Two fluid level transmitters 3 are used for the first safety cut-off valve of chain control 6, set low alarm limits.
Liquid level adjusting valve 8 uses axial-flow type Liquid level adjusting valve, and bore is 1 cun, wears the first executing agency, type is failure
It is safety-type, accident condition FC.The clipping room of Liquid level adjusting valve 8 and upstream the first technique ball valve 7 (blocking ball valve) away from not less than
600mm.In order to realize automatic blowdown function, the regulatory function of Liquid level adjusting valve 8 effectively reduces blowdown flow velocity, and control of sewage disposal pressure
Power is below the operating pressure of blowdown drum 12.
The liquid level superelevation of blowdown drum 12 causes the generation of overflow accident during in order to prevent blowdown operation, is set on blowdown drum 12
Put the 3rd fluid level transmitter 4.
To prevent Liquid level adjusting valve 8 fails from causing gas blowby (when can not close) to blowdown apparatus, in Liquid level adjusting valve 8
Upstream sets the first safety cut-off valve 6.First safety cut-off valve 6 wears the second executing agency, and type is failure to safety, accident
State is FC.
In order to prevent uncontrollable discharge pressure after being failed due to Liquid level adjusting valve 8, the caused superpressure of blowdown drum 12,
On header 22 and second safety cut-off valve 10 is being set close to the entrance of blowdown drum 12.Second safety cut-off valve 10 is worn the 3rd and held
Row mechanism, type are failure to safety, accident condition FC.
On-line automatic blowdown apparatus of the present utility model is not limited only to the online blowdown control of blowoff line all the way, can set
More filters are put, there are 2 liquid collecting bags below every filter, the first fluid level transmitter 2, second is set on the blowoff line of every road
Fluid level transmitter 3, the first safety cut-off valve 6, the first technique ball valve 7, Liquid level adjusting valve 8, the second technique ball valve 9 form.Multichannel
Blowoff line is connected to blowdown header, on blowdown header, and is being provided with pressure transmitter 11, the close to the position of blowdown drum
Two safety cut-off valves 10, the 3rd fluid level transmitter 4 is set on blowdown drum 12.
Equipment in on-line automatic blowdown apparatus of the present utility model is outdoor mounting design, and its degree of protection is not less than
IP65, explosive-proof grade are not less than EXdIIBT4, fully meet open-air atmosphere and live requirement of explosion proof；The equipment of online blowdown apparatus
Automatically controlled by SCADA system, remote manual control model and on the spot MANUAL CONTROL mode can also be switched to, it is convenient follow-up
Management control.
The utility model effectively reduces blowdown flow velocity using the regulatory function of Liquid level adjusting valve, and control of sewage disposal pressure is being arranged
Below the operating pressure of dirty tank.In addition, setting a safety cut-off valve in blowdown drum suction line, set before safety cut-off valve
One pressure transmitter, sets fluid level transmitter on blowdown drum, and liquid level and pressure and safety cut-off valve progress is chain, works as pressure
When power reaches the design pressure of blowdown drum or when blowdown drum liquid level reaches setting value, the chain safety cut-off for closing blowdown tube inlet
Valve is simultaneously alarmed, and can be prevented due to blowdown drum superpressure caused by uncontrollable discharge pressure after Liquid level adjusting valve failure and flow
Or the generation of overflow accident.
Meanwhile on-line automatic blowdown is to carry out automatic pollution discharge according to the height of filter plant (liquid collecting bag) interior liquid level.Serve as
When liquid level reaches high level value in filter equipment, Liquid level adjusting valve is automatically opened up, and liquid is discharged into the closed blowdown drum in downstream；When
When liquid level reaches low liquid level value in filter, Liquid level adjusting valve is closed automatically.Meanwhile to prevent that Liquid level adjusting valve failure (can not
During closing) cause gas blowby that safety cut-off valve is set in Liquid level adjusting valve upstream to blowdown system device downstream.When in liquid collecting bag
Liquid level when reaching low alarming value, triggering safety cut-off valve is closed, so as to prevent liquid level from further reducing.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of on-line automatic blowdown apparatus of gas pipeline yard, it is characterised in that the device includes：
Filter (1), its bottom are connected with liquid collecting bag (14), the liquid collecting bag (14) be provided with the first fluid level transmitter (2) and
Second fluid level transmitter (3)；
Blowdown pipeline (5), its one end are connected with the liquid collecting bag (14), and the blowdown pipeline (5) is provided with the first technique ball valve
(7), the upstream of the first technique ball valve (7) is provided with the first safety cut-off valve (6), the downstream of the first technique ball valve (7)
Provided with Liquid level adjusting valve (8), the downstream of the Liquid level adjusting valve (8) is provided with the second technique ball valve (9), the second technique ball valve
(9) downstream is provided with the second safety cut-off valve (10), the second technique ball valve (9) and second safety cut-off valve (10) it
Between blowdown pipeline (5) be provided with pressure transmitter (11)；
Blowdown remittance tank (12), it is connected with the blowdown pipeline (5) other end, and the blowdown remittance tank (12) is provided with the 3rd liquid level
Transmitter (4)；
Instrument junction box (13), itself and first fluid level transmitter (2), second fluid level transmitter (3), first peace
Full stop valve (6), the Liquid level adjusting valve (8), the pressure transmitter (11), second safety cut-off valve (10) and described
3rd fluid level transmitter (4) connects, and first fluid level transmitter (2) is accessed the instrument by first instrument cable (15) and connect
Line case (13), second fluid level transmitter (3) accesses the instrument junction box (13) by second instrument cable (16), described
First safety cut-off valve (6) accesses the instrument junction box (13), the Liquid level adjusting valve (8) by the 3rd instrument cable (17)
The instrument junction box (13) is accessed by the 4th instrument cable (18), the pressure transmitter (11) passes through the 5th instrument cable
(19) the instrument junction box (13) is accessed, second safety cut-off valve (10) passes through described in the access of the 6th instrument cable (20)
Instrument junction box (13), the 3rd fluid level transmitter (4) access the instrument junction box by the 7th instrument cable (21)
(13)。
2. the on-line automatic blowdown apparatus of gas pipeline yard according to claim 1, it is characterised in that first liquid level
Transmitter (2) and second fluid level transmitter (3) are connected by the flange and the liquid collecting bag (14) of fluid level transmitter side
Connect.
3. the on-line automatic blowdown apparatus of gas pipeline yard according to claim 1, it is characterised in that first liquid level
Transmitter (2) and second fluid level transmitter (3) are magnetostrictive liquid level transducer.
4. the on-line automatic blowdown apparatus of gas pipeline yard according to claim 1, it is characterised in that first liquid level
Transmitter (2) is connected with the Liquid level adjusting valve (8), second fluid level transmitter (3) and first safety cut-off valve (6)
Connection, the 3rd fluid level transmitter (4) and the pressure transmitter (11) are connected with second safety cut-off valve (10).
5. the on-line automatic blowdown apparatus of gas pipeline yard according to claim 1, it is characterised in that the liquid level regulation
Valve (8) and the clipping room of the first technique ball valve (7) are away from not less than 600mm.
6. the on-line automatic blowdown apparatus of gas pipeline yard according to claim 1, it is characterised in that the liquid level regulation
Valve (8) is axial-flow type Liquid level adjusting valve.
7. the on-line automatic blowdown apparatus of gas pipeline yard according to claim 1, it is characterised in that first technique
Ball valve (7) and the second technique ball valve (9) are to block ball valve.
8. the on-line automatic blowdown apparatus of gas pipeline yard according to claim 1, it is characterised in that the liquid level regulation
Valve (8) is connected with the first executing agency.
9. the on-line automatic blowdown apparatus of gas pipeline yard according to claim 1, it is characterised in that first safety
Stop valve (6) is connected with the second executing agency.
10. the on-line automatic blowdown apparatus of gas pipeline yard according to claim 1, it is characterised in that second peace
Full stop valve (10) is connected with the 3rd executing agency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720317349.7U CN206723841U (en) | 2017-03-29 | 2017-03-29 | A kind of on-line automatic blowdown apparatus of gas pipeline yard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720317349.7U CN206723841U (en) | 2017-03-29 | 2017-03-29 | A kind of on-line automatic blowdown apparatus of gas pipeline yard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206723841U true CN206723841U (en) | 2017-12-08 |
Family
ID=60502836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720317349.7U Active CN206723841U (en) | 2017-03-29 | 2017-03-29 | A kind of on-line automatic blowdown apparatus of gas pipeline yard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206723841U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838618A (en) * | 2017-03-29 | 2017-06-13 | 中国石油天然气集团公司 | A kind of on-line automatic blowdown apparatus of gas pipeline yard |
-
2017
- 2017-03-29 CN CN201720317349.7U patent/CN206723841U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838618A (en) * | 2017-03-29 | 2017-06-13 | 中国石油天然气集团公司 | A kind of on-line automatic blowdown apparatus of gas pipeline yard |
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Legal Events
| 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: Yu Yongzhi Inventor after: Nie Zhongwen Inventor after: Leng Xulin Inventor after: Liang Jun Inventor after: Zhang Shuyong Inventor after: Wang Yongji Inventor after: Wang Yong Inventor after: Fu Zhe Inventor before: Yu Yongzhi Inventor before: Nie Zhongwen Inventor before: Zhang Shuyong Inventor before: Wang Yongji Inventor before: Wang Yong Inventor before: Fu Zhe |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Co-patentee after: China Petroleum Pipeline Engineering Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Co-patentee after: DESIGN BRANCH OF CHINA PETROLEUM PIPELINE ENGINEERING Corp. Address before: 100007 Beijing Xicheng District six laying Kang Co-patentee before: China Petroleum Pipeline Engineering Co.,Ltd. Patentee before: China National Petroleum Corp. Co-patentee before: DESIGN BRANCH OF CHINA PETROLEUM PIPELINE ENGINEERING Corp. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190916 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Co-patentee after: China Petroleum Pipeline Engineering Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Co-patentee after: CHINA PETROLEUM PIPELINE ENGINEERING Corp. Address before: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Co-patentee before: China Petroleum Pipeline Engineering Co.,Ltd. Patentee before: CHINA NATIONAL PETROLEUM Corp. Co-patentee before: DESIGN BRANCH OF CHINA PETROLEUM PIPELINE ENGINEERING Corp. |