CN207007584U - Gas pipeline automatic sampling system integration skid-mounted unit - Google Patents
Gas pipeline automatic sampling system integration skid-mounted unit Download PDFInfo
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- CN207007584U CN207007584U CN201720465319.0U CN201720465319U CN207007584U CN 207007584 U CN207007584 U CN 207007584U CN 201720465319 U CN201720465319 U CN 201720465319U CN 207007584 U CN207007584 U CN 207007584U
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Abstract
A kind of gas pipeline automatic sampling system integration skid-mounted unit is the utility model is related to, by sampling main line, sampling slip, standby sampling slip, sampling switch pipeline, the first sampling slip header, the second sampling slip header, sampling slip, standby sampling slip, the first sampling returns to header, the second sampling returns to header, sample gas returns to main line, power gas source pipeline, the first safety relief pipeline, the second safety relief pipeline, manual sampling line, sample gas return to header, the first release branch road, the second blowdown piping, safety relief header forms.The beneficial effects of the utility model：Can directly automatic continuous acquisition go out the representative sample of natural gas in pipeline, the sample collection of scheduled volume is completed by sampling controller, and its sampling control signal is sent to upper-level control system；A small amount of sample can be extracted continuously and repeatedly in the case where no operating personnel intervene, it is ensured that the change of any composition of natural gas is all reflected in sample.
Description
Technical field
It the utility model is related to a kind of gas pipeline automatic sampling system integration skid-mounted unit.
Background technology
For long distance gas pipeline, especially cross-border natural gas line, it is to the accurate analysis for conveying natural gas quality
Ensure objectively and fairly inspection and quarantine, ensure the vital factor of safe operation of the economic interests and pipeline of trade both sides.
For makings in addition to detection and analysis in real time are carried out using online analyzer, off-line analysis also no less important is carried out to natural gas,
By on-line automatic sampler, representative gas is gathered, is laboratory, Entry-Exit Inspection and Quarantine Bureau or third party inspection
Reliable basis are provided.
Tradition sampling is intended only as accessory system use, considers manual operation requirement, will be straight after pipeline sample gas high pressure relief
Deposit steel cylinder is connect, then is manually detected the sample gas in steel cylinder.The shortcomings that such a sampler is：
1st, because decompression and heat-absorbing action, gas component change are lost in sampling process, it is impossible to actual real traffic is represented,
Obtaining sample may be under-represented；
2nd, sampling control system is not provided with, can not be realized to sampling system equipment state, power conditions, sampling loop stream
Speed, the monitoring of sampling frequency；
3rd, flow measurement is not carried out to sampling loop, whether air-flow in sampling loop can not be normally judged；Stream is not implemented
Amount control, can not realize that sampling loop flow follows main pipeline changes in flow rate；
4th, hand-operated sampling device is not provided with, the system failure can not sample；
5th, back-up circuit is not provided with, system easily produces failure；
6th, sampling container safety relief facility is not provided with, sample is also easy to produce and overflows peril；
7th, pressure instrumentation is not provided with, lacks the monitoring to loop process parameter；
8th, the automatic sampling time can not be set；
9th, it can not realize that sample gas reclaims.
Utility model content
Weak point present in regarding to the issue above, the utility model provide a kind of gas pipeline automatic sampling system one
Bodyization integrates skid-mounted unit, and on-line period operation more they tends to standardization, facilitation, scientific, automation, improves on-line period system
Sample representation, accuracy, continuity, reliability and the security of system, facilitate operation maintenance, monitoring management, installation and transportation.
To achieve the above object, the utility model provides a kind of gas pipeline automatic sampling system integration sledge dress dress
Put, including：
Sample main line, its arrival end is connected with gas pipeline, described one end for sampling main line connecting gas transmission pipe road according to
Secondary setting sampling probe, first instrument valve, first pressure table, the sampling probe insert in the gas pipeline and take gas；
First sampling slip header, its arrival end are connected with the sampling main line port of export, first sampling slip
The header port of export and sample gas return to header arrival end and are connected, set gradually on the first sampling slip header second instrument valve,
3rd gauge valve；
Second sampling slip header, its arrival end are connected with the sampling main line port of export, second sampling slip
The header port of export returns to header arrival end with the sample gas and is connected, and the 4th instrument is set gradually on the second sampling slip header
Valve, the 5th gauge valve；
Sampling switching pipeline, its one end are connected on the pipeline between the second instrument valve and the 3rd gauge valve,
The sampling switching pipeline other end is connected on the pipeline between the 4th gauge valve and the 5th gauge valve, described to take
The 6th gauge valve is set on sample switching pipeline；
First sampling returns to header, and its arrival end returns to the header port of export with the sample gas and is connected, and first sampling is returned
Return the header port of export and connect first safety valve one end, the first safety valve other end and the first safety relief line entry end connect
Connect, first sampling returns sets gradually the 7th gauge valve, the first check valve on header；
Second sampling returns to header, and its arrival end returns to the header port of export with the sample gas and is connected, and second sampling is returned
Return the header port of export and connect second safety valve one end, the second safety valve other end and the second safety relief line entry end connect
Connect, second sampling returns sets gradually the 8th gauge valve, the second check valve on header；
Sampling slip, its arrival end are connected on the first sampling slip header, the sampling slip port of export and institute
State the first sampling and return to header connection, magnetic valve, sampling pump, the tenth gauge valve, mobile work are set gradually on the sampling slip
Gas cylinder is filled in, the 13rd gauge valve, the mobile piston gas cylinder both ends top sets second pressure gauge, the 3rd pressure gauge, institute respectively
State mobile piston gas cylinder both ends bottom and the 11st gauge valve, the 12nd gauge valve, the mobile piston are connected by pipeline respectively
Limit switch is set on gas cylinder, and the 11st gauge valve, the 12nd gauge valve are connected to branch of releasing by pipeline respectively
Road, the branch road of releasing are connected to safety relief header, and the limit switch is by the first limit switch cable connection to automatic
Sampling controller, the magnetic valve connect the automatic sampling controller by the first solenoid cable；
Standby sampling slip, its arrival end are connected on the second sampling slip header, and the standby sampling slip goes out
Mouth end returns to header with the described second sampling and is connected, and standby magnetic valve, standby sampling are set gradually on the standby sampling slip
Pump, standby tenth gauge valve, spare moving piston gas cylinder, standby 13rd gauge valve, the spare moving piston gas cylinder both ends
Top sets standby second pressure gauge, standby 3rd pressure gauge respectively, and the spare moving piston gas cylinder both ends bottom leads to respectively
Cross pipeline and connect standby 11st gauge valve, standby 12nd gauge valve, standby limit is set on the spare moving piston gas cylinder
Bit switch, standby 11st gauge valve, standby 12nd gauge valve are connected to standby branch of releasing by pipeline respectively
Road, the standby branch road of releasing are connected to the standby limit switch and let out by the second limit switch cable connection to the safety
Header, the automatic sampling controller are put, the standby magnetic valve passes through second solenoid valve cable connection to the automatic sampling
Controller；
Manual sampling line, its arrival end are connected on the pipeline of the sampling main line after the first pressure table,
The 14th gauge valve, the second pressure-reducing valve, the 5th pressure gauge, the 15th gauge valve, are set gradually on the manual sampling line
16 gauge valves, sample gas cylinder, the 17th gauge valve, the 18th gauge valve；
Safety relief header, its arrival end are connected with the manual sampling line port of export, and the safety relief header goes out
Mouth end is connected with residual gas bottle, and the residual gas bottle is connected with spark arrester, and the first safety relief tube outlet end is connected to described
On the pipeline of the safety relief header after 18th gauge valve, the second safety relief tube outlet end is connected to described
On the pipeline of the safety relief header before residual gas bottle；
Power gas source pipeline, its arrival end are connected on the pipeline of the sampling main line after the first pressure table,
The power gas source tube outlet end is connected with the magnetic valve, the standby magnetic valve and provides source of the gas, the power for it
Filter, the first pressure-reducing valve, the 4th pressure gauge are set gradually on source of the gas pipeline；
Sample gas returns to main line, and its arrival end returns to the header port of export with the sample gas and is connected, and the sample gas returns to supervisor
Way outlet end is connected with the gas pipeline, and the sample gas returns and sets gradually the 3rd check valve, the 9th gauge valve on main line；
3rd safety valve, its one end are connected on the pipeline of the power gas source pipeline after the 4th pressure gauge, institute
The 3rd safety valve other end is stated to be connected on the pipeline of the safety relief header after the 18th gauge valve；
4th safety valve, its one end are connected to the pipeline of the second sampling slip header before the 4th gauge valve
On, the 4th safety valve other end is connected on the pipeline of the safety relief header after the 18th gauge valve.
Further improved as the utility model, the first sampling slip header arrival end is connected to the filter
On pipeline between the manual sampling line arrival end, the second sampling slip header arrival end is connected to the filtering
On pipeline between device and the manual sampling line arrival end；
The first pressure table connects the second instrument valve and the 4th gauge valve by pipeline；
3rd gauge valve is connected to the sample gas and returns to header, and the 5th gauge valve is connected to the sample gas and returned
Header；
7th gauge valve is connected to the sample gas and returns to header, and the 8th gauge valve is connected to the sample gas and returned
Header；
The sampling slip port of export is connected to first check valve and first sampling return the header port of export it
Between pipeline on, the standby sampling slip port of export be connected to second check valve and it is described second sampling return header go out
On pipeline between mouth end；
18th gauge valve is connected by pipeline with the residual gas bottle；
The first pressure table is connected by pipeline with the manual sampling line arrival end；
The first instrument valve is connected to the filter by pipeline；
9th gauge valve is connected to the gas pipeline by pipeline.
Further improved as the utility model, the sampling probe passes through a supporting flange form whole-through diameter ball valve
After insert in the gas pipeline.
Further improved as the utility model, the sampling probe is provided with gas vent and returns to interface, leads to
The return interface is crossed to return to the natural gas of extraction in the gas pipeline.
Further improved as the utility model, the sampling pump and the standby sampling pump sample for Pneumatic diaphragm
Pump.
Further improved as the utility model, the mobile piston gas cylinder and the spare moving piston gas cylinder exist
Magnetic switch is set at 80% volume, sets magnetic to indicate on the mobile piston gas cylinder and the spare moving piston gas cylinder
Device.
Further improved as the utility model, the automatic sampling controller is provided with explosion-proof liquid crystal touch screen.
Further improved as the utility model, the automatic sampling controller is communicated by communication interface with host computer
Connection.
Further improved as the utility model, the communication interface is RS485Modbus RTU.
Further improved as the utility model, the automatic sampling controller is connected with yard control system.
The beneficial effects of the utility model are：
1st, the sample that natural gas is representative in pipeline can automatically and continuously be gathered out；
2nd, it is lost in sampling process without any component, to ensure that the change of any composition of natural gas is all reflected to sample gas
In, accurately reflect pipeline gas transmission and correspond to component and calorific value；
3rd, there is low-down maintenance requirement, be accurately reliable and easy to install；
4th, sampling pump uses pneumatic type sampling pump, using on-line sampling device extracted from pipeline representative sample to
In sample cylinder, it is not necessary to extra source of the gas supply, by the use of the natural gas in pipeline as power, there is self cleaning system warp
Cross sample room, it is ensured that each sampling period can obtain a real representational sample.
Brief description of the drawings
Fig. 1 is a kind of structural representation of gas pipeline automatic sampling system integration skid-mounted unit of the utility model
Figure.
In figure,
1st, sampling probe；2nd, first instrument valve；3rd, first pressure table；4th, second instrument valve；5th, the 3rd gauge valve；6th, the 4th
Gauge valve；7th, the 5th gauge valve；8th, the 6th gauge valve；9th, the 7th gauge valve；10th, the 8th gauge valve；11st, the first check valve；12、
Second check valve；13rd, the 3rd check valve；14th, the 9th gauge valve；15A, magnetic valve；16A, sampling pump；17A, the tenth gauge valve；
18A, mobile piston gas cylinder；19A, the 11st gauge valve；20A, the 12nd gauge valve；21A, the 13rd gauge valve；22A, second
Pressure gauge；23A, the 3rd pressure gauge；24A, limit switch；15B, standby magnetic valve；16B, standby sampling pump；17B, the standby tenth
Gauge valve；18B, spare moving piston gas cylinder；19B, standby 11st gauge valve；20B, standby 12nd gauge valve；It is 21B, standby
With the 13rd gauge valve；22B, standby second pressure gauge；23B, standby 3rd pressure gauge；24B, standby limit switch；25th,
One safety valve；26th, the second safety valve；27th, the 3rd safety valve；28th, the 4th safety valve；29th, filter；30th, the first pressure-reducing valve；
31st, the 4th pressure gauge；32nd, the 14th gauge valve；33rd, the second pressure-reducing valve；34th, the 5th pressure gauge；35th, the 15th gauge valve；36、
16th gauge valve；37th, sample gas cylinder；38th, the 17th gauge valve；39th, the 18th gauge valve；40th, residual gas bottle；41st, spark arrester；
42nd, standby sampling slip；43rd, main line is sampled；44th, sampling slip；45th, the first sampling slip header；46th, the second sampling slip
Header；47th, the first sampling returns to header；48th, the second sampling returns to header；49th, sample gas returns to main line；50th, sampling switching pipe
Road；51st, power gas source pipeline；52nd, the first safety relief pipeline；53rd, the second safety relief pipeline；54th, manual sampling line；
55th, automatic sampling controller；56th, sample gas returns to header；57th, first release branch road；58th, second release branch road；59th, safety relief
Header；60th, the first limit switch cable；61st, the first solenoid cable；62nd, the second limit switch cable；63rd, second solenoid valve
Cable.
Embodiment
A kind of as shown in figure 1, gas pipeline automatic sampling system integration sledge described in the utility model embodiment
Assembling device, including：
Sample main line 43, its arrival end is connected with gas pipeline, sample the one end in the connecting gas transmission pipe road of main line 43 according to
Secondary setting sampling probe 1, first instrument valve 2, first pressure table 3, sampling probe 1 insert in gas pipeline and take gas；
First sampling slip header 45, its arrival end are connected with the sampling port of export of main line 43, the first sampling slip header
45 ports of export and sample gas return to the arrival end of header 56 and are connected, and second instrument valve 4, the are set gradually on the first sampling slip header 45
Three gauge valves 5；
Second sampling slip header 46, its arrival end are connected with the sampling port of export of main line 43, the second sampling slip header
46 ports of export and sample gas return to the arrival end of header 56 and are connected, and the 4th gauge valve 6, the are set gradually on the second sampling slip header 46
Five gauge valves 7；
Sampling switching pipeline 50, its one end are connected on the pipeline between the gauge valve 5 of second instrument valve 4 and the 3rd, sampled
The switching other end of pipeline 50 is connected on the pipeline between the 4th gauge valve 6 and the 5th gauge valve 7, is set on sampling switching pipeline 50
Put the 6th gauge valve 8；
First sampling returns to header 47, and its arrival end returns to the port of export of header 56 with sample gas and is connected, and the first sampling, which returns, to converge
The port of export of pipe 47 connection the first safety valve 25 one end, the other end of the first safety valve 25 and the arrival end of the first safety relief pipeline 52 connect
Connect, the first sampling returns and sets gradually the 7th gauge valve 9, the first check valve 11 on header 47；
Second sampling returns to header 48, and its arrival end returns to the port of export of header 56 with sample gas and is connected, and the second sampling, which returns, to converge
The port of export of pipe 48 connection the second safety valve 26 one end, the other end of the second safety valve 26 and the arrival end of the second safety relief pipeline 53 connect
Connect, the second sampling returns and sets gradually the 8th gauge valve 10, the second check valve 12 on header 48；
Sampling slip 44, its arrival end are connected on the first sampling slip header 45, the port of export of sampling slip 44 and first
Sampling returns to header 47 and connected, and magnetic valve 15A, sampling pump 16A, the tenth gauge valve 17A, movement are set gradually on sampling slip 44
Piston gas cylinder 18A, the 13rd gauge valve 21A, mobile piston gas cylinder 18A both ends top set second pressure gauge 22A, the 3rd respectively
Pressure gauge 23A, mobile piston gas cylinder 18A both ends bottom connect the 11st gauge valve 19A, the 12nd gauge valve by pipeline respectively
Limit switch 24A is set on 20A, mobile piston gas cylinder 18A, the 11st gauge valve 19A, the 12nd gauge valve 20A pass through respectively
Pipeline is connected to branch road 57 of releasing, and branch road 57 of releasing is connected to safety relief header 59, and limit switch 24A spacing opens by first
Powered-down cable 60 is connected to automatic sampling controller 55, and magnetic valve 15A connects automatic sampling by the first solenoid cable 61 and controlled
Device 55；
Standby sampling slip 42, its arrival end are connected on the second sampling slip header 46, and standby sampling slip 42 exports
End returns to header 48 with the second sampling and is connected, and standby magnetic valve 15B, standby sampling pump are set gradually on standby sampling slip 42
16B, standby tenth gauge valve 17B, spare moving piston gas cylinder 18B, standby 13rd gauge valve 21B, spare moving piston gas
Bottle 18B both ends top sets standby second pressure gauge 22B, standby 3rd pressure gauge 23B, spare moving piston gas cylinder 18B respectively
Both ends bottom connects standby 11st gauge valve 19B, standby 12nd gauge valve 20B, spare moving piston by pipeline respectively
Standby limit switch 24B is set on gas cylinder 18B, and standby 11st gauge valve 19B, standby 12nd gauge valve 20B pass through respectively
Pipeline is connected to standby branch road 58 of releasing, and standby branch road 58 of releasing is connected to standby limit switch 24B and passes through the second limit switch
Cable 63 is connected to safety relief header 59, automatic sampling controller 55, and standby magnetic valve 15B passes through second solenoid valve cable 62
It is connected to automatic sampling controller 55；
Manual sampling line 54, its arrival end are connected on the pipeline of the sampling main line 43 after first pressure table 3, manually
Set gradually on sampling line 54 the 14th gauge valve 32, the second pressure-reducing valve 33, the 5th pressure gauge 34, the 15th gauge valve 35,
16th gauge valve 36, sample gas cylinder 37, the 17th gauge valve 38, the 18th gauge valve 39；
Safety relief header 59, its arrival end are connected with the manual port of export of sampling line 54, and safety relief header 59 exports
End is connected with residual gas bottle 40, and residual gas bottle 40 is connected with spark arrester 41, and the port of export of the first safety relief pipeline 52 is connected to the 18th
On the pipeline of safety relief header 59 after gauge valve 39, before the port of export of the second safety relief pipeline 53 is connected to residual gas bottle 40
On the pipeline of safety relief header 59；
Power gas source pipeline 51, its arrival end are connected on the pipeline of the sampling main line 43 after first pressure table 3, power
The port of export of source of the gas pipeline 51 is connected with magnetic valve 15A, standby magnetic valve 15B and provides source of the gas for it, on power gas source pipeline 51
Set gradually filter 29, the first pressure-reducing valve 30, the 4th pressure gauge 31；
Sample gas returns to main line 49, and its arrival end returns to the port of export of header 56 with sample gas and is connected, and sample gas returns to main line 49
The port of export is connected with gas pipeline, and sample gas returns and sets gradually the 3rd check valve 13, the 9th gauge valve 14 on main line 49；
3rd safety valve 27, its one end are connected on the pipeline of the power gas source pipeline 51 after the 4th pressure gauge 31, and the 3rd
The other end of safety valve 27 is connected on the pipeline of the safety relief header 59 after the 18th gauge valve 39；
4th safety valve 28, its one end are connected on the pipeline of the second sampling slip header 46 before the 4th gauge valve 6, and
The other end of four safety valve 28 is connected on the pipeline of the safety relief header 59 after the 18th gauge valve 39.
Further, the arrival end of the first sampling slip header 45 is connected to filter 29 and the arrival end of manual sampling line 54
Between pipeline on, the arrival end of the second sampling slip header 46 is connected between filter 29 and the arrival end of manual sampling line 54
Pipeline on；
First pressure table 3 connects second instrument valve 4 and the 4th gauge valve 6 by pipeline；
3rd gauge valve 5 is connected to sample gas and returns to header 56, and the 5th gauge valve 7 is connected to sample gas and returns to header 56；
7th gauge valve 9 is connected to sample gas and returns to header 56, and the 8th gauge valve 10 is connected to sample gas and returns to header 56；
The port of export of sampling slip 44 is connected to the pipe between the first check valve 11 and the first sampling return port of export of header 47
On line, the standby port of export of sampling slip 42 is connected to the pipe between the second check valve 12 and the second sampling return port of export of header 48
On line；
18th gauge valve 39 is connected by pipeline with residual gas bottle 40；
First pressure table 3 is connected by pipeline with the manual arrival end of sampling line 54；
First instrument valve 2 is connected to filter 29 by pipeline；
9th gauge valve 14 is connected to gas pipeline by pipeline.
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)
- A kind of 1. gas pipeline automatic sampling system integration skid-mounted unit, it is characterised in that including：Main line (43) is sampled, its arrival end is connected with gas pipeline, and the one of described sampling main line (43) connecting gas transmission pipe road End sets gradually sampling probe (1), first instrument valve (2), first pressure table (3), and the sampling probe (1) inserts the gas transmission Gas is taken in pipeline；First sampling slip header (45), its arrival end are connected with described sampling main line (43) port of export, first sampling Branch road header (45) port of export returns to header (56) arrival end with sample gas and is connected, on the first sampling slip header (45) successively Second instrument valve (4), the 3rd gauge valve (5) are set；Second sampling slip header (46), its arrival end are connected with described sampling main line (43) port of export, second sampling Branch road header (46) port of export returns to header (56) arrival end with the sample gas and is connected, on the second sampling slip header (46) Set gradually the 4th gauge valve (6), the 5th gauge valve (7)；Sampling switching pipeline (50), its one end are connected to the pipe between the second instrument valve (4) and the 3rd gauge valve (5) On line, described sampling switching pipeline (50) other end is connected between the 4th gauge valve (6) and the 5th gauge valve (7) Pipeline on, the 6th gauge valve (8) is set on sampling switching pipeline (50)；First sampling returns to header (47), and its arrival end returns to header (56) port of export with the sample gas and is connected, and described first takes Sample returns to header (47) port of export connection the first safety valve (25) one end, the first safety valve (25) other end and the first safety Pipeline (52) arrival end of releasing connects, and first sampling, which returns, sets gradually the 7th gauge valve (9), the first list on header (47) To valve (11)；Second sampling returns to header (48), and its arrival end returns to header (56) port of export with the sample gas and is connected, and described second takes Sample returns to header (48) port of export connection the second safety valve (26) one end, the second safety valve (26) other end and the second safety Pipeline (53) arrival end of releasing connects, and second sampling returns sets gradually the 8th gauge valve (10), second on header (48) Check valve (12)；Sampling slip (44), its arrival end are connected on the first sampling slip header (45), and the sampling slip (44) goes out Mouth end returns to header (47) with the described first sampling and is connected, and magnetic valve (15A), sampling are set gradually on the sampling slip (44) Pump (16A), the tenth gauge valve (17A), mobile piston gas cylinder (18A), the 13rd gauge valve (21A), the mobile piston gas cylinder (18A) both ends top sets second pressure gauge (22A), the 3rd pressure gauge (23A), the mobile piston gas cylinder (18A) two respectively Bottom is held to connect the 11st gauge valve (19A), the 12nd gauge valve (20A), the mobile piston gas cylinder by pipeline respectively Limit switch (24A) is set on (18A), and the 11st gauge valve (19A), the 12nd gauge valve (20A) pass through respectively Pipeline is connected to branch road of releasing (57), and the branch road of releasing (57) is connected to safety relief header (59), the limit switch (24A) is connected to automatic sampling controller (55) by the first limit switch cable (60), and the magnetic valve (15A) passes through first Solenoid cable (61) connects the automatic sampling controller (55)；Standby sampling slip (42), its arrival end are connected on the second sampling slip header (46), the standby sampling branch Road (42) port of export returns to header (48) with the described second sampling and is connected, and is set gradually on the standby sampling slip (42) standby Magnetic valve (15B), standby sampling pump (16B), standby tenth gauge valve (17B), spare moving piston gas cylinder (18B), standby 13 gauge valves (21B), spare moving piston gas cylinder (18B) the both ends top set respectively standby second pressure gauge (22B), Standby 3rd pressure gauge (23B), spare moving piston gas cylinder (18B) the both ends bottom connect the standby tenth by pipeline respectively One gauge valve (19B), standby 12nd gauge valve (20B), standby spacing open is set on the spare moving piston gas cylinder (18B) Close (24B), standby 11st gauge valve (19B), standby 12nd gauge valve (20B) are connected to by pipeline respectively Standby branch road of releasing (58), it is spacing by second that the standby branch road of releasing (58) is connected to the standby limit switch (24B) Switching cable (63) is connected to the safety relief header (59), the automatic sampling controller (55), the standby magnetic valve (15B) is connected to the automatic sampling controller (55) by second solenoid valve cable (62)；Manual sampling line (54), its arrival end are connected to the sampling main line (43) after the first pressure table (3) On pipeline, the 14th gauge valve (32), the second pressure-reducing valve (33), the 5th pressure are set gradually on the manual sampling line (54) Table (34), the 15th gauge valve (35), the 16th gauge valve (36), sample gas cylinder (37), the 17th gauge valve (38), the 18th Gauge valve (39)；Safety relief header (59), its arrival end are connected with manual sampling line (54) port of export, and the safety relief converges Pipe (59) port of export is connected with residual gas bottle (40), and the residual gas bottle (40) is connected with spark arrester (41), first safety relief Pipeline (52) port of export is connected on the pipeline of the safety relief header (59) after the 18th gauge valve (39), described Second safety relief pipeline (53) port of export is connected to the pipeline of the safety relief header (59) before the residual gas bottle (40) On；Power gas source pipeline (51), its arrival end are connected to the sampling main line (43) after the first pressure table (3) On pipeline, power gas source pipeline (51) port of export is connected simultaneously with the magnetic valve (15A), the standby magnetic valve (15B) Source of the gas is provided for it, filter (29), the first pressure-reducing valve (30), the 4th pressure are set gradually on the power gas source pipeline (51) Table (31)；Sample gas returns to main line (49), and its arrival end returns to header (56) port of export with the sample gas and is connected, and the sample gas returns Main line (49) port of export is connected with the gas pipeline, and the sample gas returns and sets gradually the 3rd check valve on main line (49) (13), the 9th gauge valve (14)；3rd safety valve (27), its one end are connected to the pipe of the power gas source pipeline (51) after the 4th pressure gauge (31) On line, the 3rd safety valve (27) other end is connected to the safety relief header after the 18th gauge valve (39) (59) on pipeline；4th safety valve (28), its one end are connected to the second sampling slip header (46) before the 4th gauge valve (6) Pipeline on, the 4th safety valve (28) other end is connected to the safety relief after the 18th gauge valve (39) and converged On the pipeline for managing (59).
- 2. gas pipeline automatic sampling system integration skid-mounted unit according to claim 1, it is characterised in thatFirst sampling slip header (45) arrival end is connected to the filter (29) and the manual sampling line (54) On pipeline between arrival end, the second sampling slip header (46) arrival end is connected to the filter (29) and the hand On pipeline between dynamic sampling line (54) arrival end；The first pressure table (3) connects the second instrument valve (4) and the 4th gauge valve (6) by pipeline；3rd gauge valve (5) is connected to the sample gas and returns to header (56), and the 5th gauge valve (7) is connected to the sample Gas returns to header (56)；7th gauge valve (9) is connected to the sample gas and returns to header (56), and the 8th gauge valve (10) is connected to described Sample gas returns to header (56)；Sampling slip (44) port of export is connected to first check valve (11) and first sampling returns to header (47) On pipeline between the port of export, standby sampling slip (42) port of export is connected to second check valve (12) and described Two samplings are returned on the pipeline between header (48) port of export；18th gauge valve (39) is connected by pipeline with the residual gas bottle (40)；The first pressure table (3) is connected by pipeline with manual sampling line (54) arrival end；The first instrument valve (2) is connected to the filter (29) by pipeline；9th gauge valve (14) is connected to the gas pipeline by pipeline.
- 3. gas pipeline automatic sampling system integration skid-mounted unit according to claim 1, it is characterised in that institute Sampling probe (1) is stated by being inserted after a supporting flange form whole-through diameter ball valve in the gas pipeline.
- 4. gas pipeline automatic sampling system integration skid-mounted unit according to claim 1, it is characterised in that institute Sampling probe (1) is stated provided with gas vent and returns to interface, is returned to the natural gas of extraction by the return interface In the gas pipeline.
- 5. gas pipeline automatic sampling system integration skid-mounted unit according to claim 1, it is characterised in that institute It is Pneumatic diaphragm sampling pump to state sampling pump (16A) and the standby sampling pump (16B).
- 6. gas pipeline automatic sampling system integration skid-mounted unit according to claim 1, it is characterised in that institute State mobile piston gas cylinder (18A) and the spare moving piston gas cylinder (18B) sets magnetic switch, the shifting at 80% volume Magnetic indicator is set on piston gas cylinder (18A) and the spare moving piston gas cylinder (18B).
- 7. gas pipeline automatic sampling system integration skid-mounted unit according to claim 1, it is characterised in that institute State automatic sampling controller (55) and be provided with explosion-proof liquid crystal touch screen.
- 8. the gas pipeline automatic sampling system integration skid-mounted unit according to any one in claim 1-7, Characterized in that, the automatic sampling controller (55) is communicated to connect by communication interface and host computer.
- 9. gas pipeline automatic sampling system integration skid-mounted unit according to claim 8, it is characterised in that institute It is RS485Modbus RTU to state communication interface.
- 10. gas pipeline automatic sampling system integration skid-mounted unit according to claim 1, it is characterised in that The automatic sampling controller (55) is connected with yard control system.
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| CN201720465319.0U CN207007584U (en) | 2017-04-28 | 2017-04-28 | Gas pipeline automatic sampling system integration skid-mounted unit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101852A (en) * | 2017-04-28 | 2017-08-29 | 中国石油天然气集团公司 | Gas pipeline automatic sampling system integration skid-mounted unit |
| CN108871884A (en) * | 2018-09-20 | 2018-11-23 | 杰瑞(天津)石油工程技术有限公司 | A kind of natural gas automatic continuous sampling system of solar control |
| CN109900860A (en) * | 2019-02-01 | 2019-06-18 | 中国石油天然气集团公司 | A kind of gas pipeline hydrogen sulfide real-time analysis method |
| CN110082495A (en) * | 2019-04-22 | 2019-08-02 | 中国石油天然气集团有限公司 | A kind of gas pipeline makings analysis integration detection device and detection method |
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2017
- 2017-04-28 CN CN201720465319.0U patent/CN207007584U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101852A (en) * | 2017-04-28 | 2017-08-29 | 中国石油天然气集团公司 | Gas pipeline automatic sampling system integration skid-mounted unit |
| CN107101852B (en) * | 2017-04-28 | 2019-05-03 | 中国石油天然气集团公司 | Gas pipeline automatic sampling system integration skid-mounted unit |
| CN108871884A (en) * | 2018-09-20 | 2018-11-23 | 杰瑞(天津)石油工程技术有限公司 | A kind of natural gas automatic continuous sampling system of solar control |
| CN109900860A (en) * | 2019-02-01 | 2019-06-18 | 中国石油天然气集团公司 | A kind of gas pipeline hydrogen sulfide real-time analysis method |
| CN110082495A (en) * | 2019-04-22 | 2019-08-02 | 中国石油天然气集团有限公司 | A kind of gas pipeline makings analysis integration detection device and detection method |
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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. |
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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. |