CN102313138A - Online density measurement method of petroleum transmission pipeline - Google Patents
Online density measurement method of petroleum transmission pipeline Download PDFInfo
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- CN102313138A CN102313138A CN2010102271048A CN201010227104A CN102313138A CN 102313138 A CN102313138 A CN 102313138A CN 2010102271048 A CN2010102271048 A CN 2010102271048A CN 201010227104 A CN201010227104 A CN 201010227104A CN 102313138 A CN102313138 A CN 102313138A
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Abstract
The invention discloses an online density measurement method and device of a petroleum transmission pipeline. The online density measurement device is characterized in that one section of process main pipeline (6) with a constant-temperature electric tracing and insulating function (17) is serially connected to a bypass pipeline arranged on a pipeline to be measured, and the inlet end and the outlet end of the process main pipeline (6) are respectively controlled by process valves. Starting from the process valve (13) at the inlet end of the process main pipeline (6), oil flowing through the process main pipeline (6) is sequentially subjected to the following flows of: 1, filtering and draining; 2, measuring of pressure difference of two filtering ends; 3, flow testing; 4, manual sampling; 5, online checking; 6, pressure detecting; 7, draining; 8, sampling of a sampling pump (3); 9, online checking; 10, heat expansion safety protecting; 11, online density detecting; 12; exhausting; 13, processing of an intelligent pressure transformer; and 14, pressure difference measuring, flow detecting, sampling, online density detecting, and sending of signals to an apparatus junction box (16) and then an SCADA (Supervisory Control And Data Acquisition) system by the intelligent pressure transformer.
Description
Technical field
The present invention is a kind of oil transport pipeline online density measuring method.The detection and the pipe-line system technical field that relate to quality.
Background technique
For the oil transport pipeline online density measuring, technological method was just drawn bypass on the oil transportation main pipe in the past, and sampling pump and densitometer are set in bypass, bypass was incorporated into the mode of main pipe again.
The shortcoming of this kind density measure mode is: 1, the method is not carried out the online compensation of temperature and pressure to density measure, has influenced the validity of densitometry; 2,, cause the damage of sampling pump, such detection constantly that just can't be implemented in Linear density because the pipeline medium turbidity test are not high, and impurity that the inside is contained and iron filings often stop up sampling pump; 3, adopt bypass sampling and measuring density mode, be easy to generate thermal expansion of pipeline and superpressure, thereby damage bypass measuring channel and measuring equipment; 4, can't realize the densitometer in-line calibration; 5, because the bypass method of measurement directly is connected with the technology main pipe, cause the loss of the cathodic protection current of pipeline easily, and cathodic protection current impacts to the operation and the validity of density measure easily also; 6, do not have instrument system supervision, can't be implemented in the SCADA system to measuring the detection and the control in loop; 7, do not have drainage, can't realize maintenance equipment; 8, heat is not mixed in insulation, can't realize measuring the open-air setting in loop.
Summary of the invention
The objective of the invention is to invent a kind of continuity, validity and stability when making the oil transport pipeline online density measuring more be tending towards standardization, modularization, raising online density measuring, make things convenient for operation maintenance, calibrating and in the SCADA system, realize the oil transport pipeline online density measuring method of monitoring and control.
This oil transport pipeline online density measuring method is: as shown in Figure 1; Bypass duct is set on tested pipeline, and one section test of serial connection has the constant temperature electrical heating and is incubated 17 technology main line 6, the outlet termination technology valve (11) 28 of technology main line 6 on the bypass duct; Outermost termination flange (1) 1; Import termination technology valve 13, outermost termination insulated flange (2) 35, technology main line 6 is serially connected in the tested pipeline by flange (1) 1 and flange (2) 35; Setting gradually filter (1) 2 both sides from the technology valve of technology main line 6 entrance points 13 beginning technology main lines 6 respectively is connected in series technology valve (2) 19 and technology valve (4) 21 and filter (2) 38 both sides and respectively is connected in series technology valve (3) 20 and (5) 22 parallel connections of technology valve also filters (1) 2 and filter (2) 38 front and back are provided with differential pressure transmitter 10; Flow switch 11; Serial connection technology valve (6) 23; The moving sampling cock 14 of other catcher; The side is connected on the technology valve (12) 29 of line calibrating mouth (1) 8; The side connects pressure gauge 12 on the spot; The technology valve (16) 33 of dirty pipeline 7 runs on the side; Sampling pump 3; Serial connection technology valve (7) 24; The side is connected on the technology valve (13) 30 of line calibrating mouth (2) 37; The thermal expansion safety valve 5 of dirty pipeline 7 runs on the side; Technology valve (10) 27; Technology valve (8) 25 and on-line densimeter 4; Connect technology valve (10) 27 the other ends again after (9) 26 series connection of technology valve; Air valve 15 runs on the side; The technology valve (17) 34 of dirty pipeline 7 runs on the side; Intelligent pressure transmitter 9; Instrument junction box 16 is connected with the SCADA system.
The flow process of carrying out oil transport pipeline online density measuring method with said apparatus is successively:
1) filtration and blowdown;
2) differential pressure measurement at filtration two ends;
3) flux test;
4) manually sampling;
5) in-line calibration;
6) Pressure testing;
7) blowdown;
8) sampling pump 3 samplings;
9) in-line calibration;
10) thermal expansion safety protection;
11) online Density Detection;
12) exhaust;
13) intelligent pressure transmitter;
14) differential pressure measurement, flow detection, sampling, online Density Detection, intelligent pressure transmitter respectively send instrument junction box 16 with signal, and instrument junction box 16 send the SCADA system again.
For technology main line 6 does not influence the cathodic protection of tested pipeline, in the inlet/outlet outer end of technology main line 6 insulated flange is installed respectively, insulate with tested pipeline.
Wherein:
1) mode of two magnetic filters (1) 2, magnetic filter (2) 38 parallel connections is adopted in filtration and blowdown, and the foreign material that filter out are drained through blowdown pipeline 7;
2) differential pressure measurement at filtration two ends is to send SCADA system handles with intelligent differential pressure transmitter 10 with pressure difference signal;
3) flow detection adopts flow switch 11 to send SCADA system handles with flux signal;
4) manually sampling is realized by manual sampling cock 14;
5) and 9) in-line calibration be to realize by in-line calibration mouth (1) 8, in-line calibration mouth (2) 37 is set;
6) Pressure testing is through pressure gauge 12 realizations on the spot;
7) blowdown is after 12 backs of pressure gauge on the spot, thermal expansion safety and after the exhaust, and blowdown pipeline 7 blowdowns are respectively arranged;
8) sampling pump 3 provides sampling for on-line densimeter 4;
10) thermal expansion safety protection technology main line 6 superpressure not;
11) the tested pipeline of online Density Detection at Linear density;
12) exhaust realizes by outlet valve 15 is installed, by manual control;
13) intelligent pressure becomes that to send be to be realized by intelligent pressure transmitter 9, and on-line densimeter 4 is implemented in the linear pressure compensation;
14) differential pressure measurement 10, flow detection 11, sampling 3, online Density Detection 4, intelligent pressure transmitter 9 respectively send instrument junction box 16 with signal, and instrument junction box 16 send the SCADA system again.
Said technology valve (8) 25 is with to connect technology valve (10) 27 the other ends after on-line densimeter 4, technology valve (9) 26 are connected again are two technology valves (8) 25, technology valve (9) 26 outer ends of 26 1 sections on technology valve (8) 25, on-line densimeter 4, technology valve (9) in series connection and connect a technology valve (10) 27;
Said sampling pump 3 has instrument cable (4) 42 to meet instrument junction box 16; Intelligent pressure transmitter 9 has instrument cable (5) 43 to meet instrument junction box 16; On-line densimeter 4, flow switch 11, intelligent differential pressure transmitter 10 respectively have instrument cable (3) 41, instrument cable (2) 40, instrument cable (1) 18 to meet instrument junction box 16;
Said magnetic filter (1) 2 is through technology valve (14) the 31 dirty pipeline 7 that runs in, and magnetic filter (2) 38 is through technology valve (15) the 32 dirty pipeline 7 that runs in; Blowdown pipeline 7 has the constant temperature electrical heating and is incubated 39, the outer termination flange (3) 36 of blowdown pipeline 7;
Said in-line calibration mouth (1) 8 is a flange mouth with in-line calibration mouth (2) 37;
Wherein:
Flange (1) 1, flange (2) 35 adopt insulated flange; The flange (3) 36 of the outer end of blowdown pipeline 7 also adopts insulated flange;
On-line densimeter 4, thermal expansion safety valve 5, intelligent pressure transmitter 9, intelligent differential pressure transmitter 10, flow switch 11, on the spot pressure gauge 12, a plurality of technology valve, manually sampling cock 14, outlet valve 15 are all selected city's pin product for use.
The present invention is provided with pressure gauge 12 and manual sampling cock 14 on the spot in sampling pump 3 fronts, on the sampling pump 3 outlet technology main lines 6 thermal expansion safety valve 5 is set, and on the densitometer 4 outlet technology main lines 6 outlet valve 15 is set; The import technology main line 6 and the thermal expansion safety valve 5 of filter (1) 2, filter (2) 38 and sampling pump 3 connect blowdown pipeline 7 simultaneously; The instrument cable (1) 18 that the SCADA system connects through instrument junction box 16, instrument cable (2) 40, instrument cable (5) 43, instrument cable (3) 41, instrument cable (4) 42 are realized the detection of differential pressure transmitter 10, flow switch 11, pressure transmitter 9, on-line densimeter 4 and sampling pump 3 opened, stop control; The import and export of densitometer 3 are provided with in-line calibration mouth (1) 8 and in-line calibration mouth (2) 37.
Adopt the method for online density measuring can realize that oil transport pipeline detects at Linear density constantly; Have the degree of accuracy height, stable, be convenient to that the SCADA system remote detects and control, be beneficial to many-sided advantages such as Maintenance and Repair in the future; And sledge installing is in the open put, and has saved between occupation of land space and operation.Make pipe-line construction more be tending towards standardization, modularization, hommization, minimizing working procedure, make things convenient for operation maintenance, reduce equipment investment and operating expenses.
Can realize the on-line measurement of density after the method for the present invention for oil transport pipeline employing online density measuring, and reach the degree of accuracy and stable requirement that improves density measure, guarantee the continuity constantly of density measure.The open-air design of device sledge dress in this method, its security level is IP65, explosive-proof grade EXdIIBT4 satisfies open-air atmosphere and on-the-spot anti-riot requirement fully; Adopt the standard, insulated flange to be connected between device in this method and the process pipe, and be applicable to the operating mode of high pressure, the loss of process pipe cathodic protection current has been avoided in the setting of while insulated flange, also guarantees the degree of accuracy and the stability of density measure; The sampling pump of Sample handling and conveying adopts efficient magnetic force coupling centrifugal pump, does not have to leak and axle envelope maintenance problem; Before the ingress sampling pump of device, be provided with redundant filter, guaranteed the stability and the reliability of the continuous operation of sampling pump; Be provided with the magnetic adsorber on the metal screen in filter, can well adsorb metallic residue and particle in institute's fed sheet of a media, guaranteed the stable operation of filter and sampling pump and prolonged its working life; Import and export at device are provided with the in-line calibration mouth respectively, can be implemented in the Linear density calibrating, have improved the stability of density measuring equipment operation; External medium cleaning way is adopted in the cleaning of densitometer table, and is with low cost and clean again.In device, be provided with a pressure transmitter and carry out online pressure compensation, utilize the measured temperature of densitometer to carry out online temperature correction, improved the accuracy and the stability of online density measuring; In density measuring equipment, be furnished with relevant emptying, blowdown pipeline and valve, can carry out blowdown, shutoff and emission treatment, be convenient to daily maintenance and maintenance pipeline and the equipment in installing; In device, be provided with the hot, high pressure expansion relief valve, when the pipeline superpressure in the device reached the value of releasing of safety valve, the safety valve action was implemented safety protection to the pipeline in installing; Pipeline in the device is provided with constant temperature electrical heating and insulation measure, guarantees that the online density measuring device is open-air to be provided with and in the winter time can proper functioning, satisfies the requirement of calibrating to ambient temperature.
On the process pipe between sampling pump and the filter, flow switch is set, is used for the SCADA system the operation of sampling pump and the detection of fault state; The SCADA system can open, stop controlling sampling pump through the instrument junction box in installing is long-range, and carries out temperature, the pressure compensation calculating of online density, can in the SCADA system, be presented at Linear density value and mark condition density value simultaneously; Differential pressure transmitter is set before and after filter is used for the running state that the SCADA system remote detects filter, judge whether filter stops up.
Be employed in the Linear density method of measurement and can realize that oil transport pipeline detects at Linear density constantly; Have the degree of accuracy height, stable, be convenient to that the SCADA system remote detects and control, be beneficial to many-sided advantages such as Maintenance and Repair in the future; And sledge installing is in the open put, and has saved between occupation of land space and operation.Make pipe-line construction more be tending towards standardization, modularization, hommization, minimizing working procedure, make things convenient for operation maintenance, reduce equipment investment and operating expenses.
The present invention is applicable to oil transport pipeline online density measuring mode.Oil transport pipeline online density measuring for long-distance transport pipes engineering, oil-gas field surface engineering, oil depot engineering has huge application space and good economic benefit.
Description of drawings
Fig. 1 oil transport pipeline online density measuring device flow chart
1-flange (1) 2-magnetic filter (1) wherein
3-sampling pump 4-on-line densimeter
5-thermal expansion safety valve 6-technology main line
7-blowdown pipeline 8-in-line calibration mouth (1)
9-intelligent pressure transmitter 10-intelligent differential pressure transmitter
11-flow switch 12-is pressure gauge on the spot
The manual sampling cock of 13-technology valve (1) 14-
15-outlet valve 16-instrument junction box
17-constant temperature electrical heating and insulation 18-instrument cable (1)
19-technology valve (2) 20-technology valve (3)
21-technology valve (4) 22-technology valve (5)
23-technology valve (6) 24-technology valve (7)
25-technology valve (8) 26-technology valve (9)
27-technology valve (10) 28-technology valve (11)
29-technology valve (12) 30-technology valve (13)
31-technology valve (14) 32-technology valve (15)
33-technology valve (16) 34-technology valve (17)
35-flange (2) 36-flange (3)
37-in-line calibration mouth 38-magnetic filter (2)
39-constant temperature electrical heating and insulation 40-instrument cable (2)
41-instrument cable (3) 42-instrument cable (4)
43-instrument cable (5)
Embodiment
Embodiment. this example be in Lanzhou-Zhengzhou-online density measuring method and device that Changsha processed oil pipeline engineering test is used.This oil transport pipeline online density measuring method is: as shown in Figure 1; Bypass duct is set on tested pipeline, and one section test of serial connection has the constant temperature electrical heating and is incubated 17 technology main line 6, the outlet termination technology valve (11) 28 of technology main line 6 on the bypass duct; Outermost termination flange (1) 1; Import termination technology valve 13, outermost termination insulated flange (2) 35, technology main line 6 is serially connected in the tested pipeline by flange (1) 1 and flange (2) 35; Setting gradually filter (1) 2 both sides from the technology valve of technology main line 6 entrance points 13 beginning technology main lines 6 respectively is connected in series technology valve (2) 19 and technology valve (4) 21 and filter (2) 38 both sides and respectively is connected in series technology valve (3) 20 and (5) 22 parallel connections of technology valve also filters (1) 2 and filter (2) 38 front and back are provided with differential pressure transmitter 10; Flow switch 11; Serial connection technology valve (6) 23; The moving sampling cock 14 of other catcher; The side is connected on the technology valve (12) 29 of line calibrating mouth (1) 8; The side connects pressure gauge 12 on the spot; The technology valve (16) 33 of dirty pipeline 7 runs on the side; Sampling pump 3; Serial connection technology valve (7) 24; The side is connected on the technology valve (13) 30 of line calibrating mouth (2) 37; The thermal expansion safety valve 5 of dirty pipeline 7 runs on the side; Technology valve (10) 27; Technology valve (8) 25 and on-line densimeter 4; Connect technology valve (10) 27 the other ends again after (9) 26 series connection of technology valve; Air valve 15 runs on the side; The technology valve (17) 34 of dirty pipeline 7 runs on the side; Intelligent pressure transmitter 9; Instrument junction box 16 is connected with the SCADA system.
The flow process of carrying out oil transport pipeline online density measuring method with said apparatus is successively:
1) filtration and blowdown;
2) differential pressure measurement at filtration two ends;
3) flux test;
4) manually sampling;
5) in-line calibration;
6) Pressure testing;
7) blowdown;
8) sampling pump 3 samplings;
9) in-line calibration;
10) thermal expansion safety protection;
11) online Density Detection;
12) exhaust;
13) intelligent pressure transmitter;
14) differential pressure measurement, flow detection, sampling, online Density Detection, intelligent pressure transmitter respectively send instrument junction box 16 with signal, and instrument junction box 16 send the SCADA system again.
For technology main line 6 does not influence the cathodic protection of tested pipeline, in the inlet/outlet outer end of technology main line 6 insulated flange is installed respectively, insulate with tested pipeline.
Said sampling pump 3 has instrument cable (4) 42 to meet instrument junction box 16; Intelligent pressure transmitter 9 has instrument cable (5) 43 to meet instrument junction box 16; On-line densimeter 4, flow switch 11, intelligent differential pressure transmitter 10 respectively have instrument cable (3) 41, instrument cable (2) 40, instrument cable (1) 18 to meet instrument junction box 16;
Said magnetic filter (1) 2 is through technology valve (14) the 31 dirty pipeline 7 that runs in, and magnetic filter (2) 38 is through technology valve (15) (15) the 32 dirty pipeline 7 that runs in; Blowdown pipeline 7 has the constant temperature electrical heating and is incubated 39, the outer termination flange (3) 36 of blowdown pipeline 7;
Said in-line calibration mouth (1) 8 is a flange mouth with in-line calibration mouth (2) 37;
Wherein:
Technology main line 6 is Φ 33mm, and blowdown pipeline 7 is Φ 21mm;
Filter (1) 2 and filter (2) 38 redundant settings, the metal screen in filter (1) 2 and the filter (2) 38 is provided with the magnetic adsorber;
The 7835A-A-A-B-A-K-T-A-A-A model that on-line densimeter 4 selects for use EMERSON Britain to produce, pressure rating is Class 900;
Intelligent pressure transmitter 9 is selected the 2088G4S22A1EDM5Q4 of Rosemount produced in usa ,/2 for use, and " band LCD shows for NPT, Range:0-15MPa;
Intelligent differential pressure transmitter 10 selects for use Taiwan Golden Mountain to produce
200-DPG-G-S-4.0-ZZ-1-SS-T-B-3-1.6KG/CM2-0；
The BF300-GS-3015-C1-B-B-T-10F-Ex-0 that flow switch 11 selects for use Taiwan Golden Mountain to produce, 1 " ANSI 900, Micro Switch;
Electrical tracing and temperature detect switch (TDS) that constant temperature electrical heating and insulation (1) 17 and constant temperature electrical heating and insulation (2) 39 select for use Britain HEAT TRACE to produce, HTL50FSPR;
A plurality of technology valves select that Taiwan Golden Mountain produces for use 1 " ANSI 900RF, CFM8;
Manually sampling cock 14 is selected PR1/1/4 " NPT, the 316SS that German G0 company produces for use;
1/2 " NPT, the 6000PSI valve that outlet valve 15 selects for use Taiwan Modentic to produce.
The pressure rating of all process pipelines and equipment satisfies Class 900 requirements; And the sledge that is integrated in 2840mm (wide) 1500mm (deeply) 2300mm (height) is loaded onto.
Need do relevant anticorrosion, antirust processing after the production and processing of whole density measuring equipment sledge dress finishes, all process pipelines and equipment do the constant temperature electrical heating and insulation is handled.
This example is through on probation; The accuracy and the stability of online density measuring have been improved; Realize the continuity constantly of density measure, be convenient to the detection and the control of long-range SCADA system, be beneficial to many-sided advantages such as in the future maintenance, maintenance, calibrating; And can realize that the installing of open-air sledge puts, save between occupation of land space and operation.Make pipe-line construction more be tending towards standardization, modularization, hommization, minimizing working procedure, make things convenient for operation maintenance, reduce equipment investment and operating expenses.
Claims (7)
1. oil transport pipeline online density measuring method; It is characterized in that bypass duct is set the technology main line [6] that constant temperature electrical heating and insulation [17] are arranged of one section test of serial connection on the bypass duct, the outlet termination technology valve (11) [28] of technology main line [6] on tested pipeline; Outermost termination flange (1) [1]; Import termination technology valve [13], outermost termination insulated flange (2) [35], technology main line [6] is serially connected in the tested pipeline by flange (1) [1] and flange (2) [35]; Setting gradually filter (1) [2] both sides from the technology valve [13] of technology main line [6] entrance point beginning technology main line [6] respectively is connected in series technology valve (2) [19] and respectively is connected in series technology valve (3) [20] with technology valve (4) [21] and filter (2) [38] both sides and with parallelly connected also filter (1) [2] of technology valve (5) [22] and filter (2) [38] front and back differential pressure transmitter [10] is set; Flow switch [11]; Serial connection technology valve (6) [23]; The moving sampling cock [14] of other catcher; The side is connected on the technology valve (12) [29] of line calibrating mouthful (1) [8]; The side connects pressure gauge [12] on the spot; The technology valve (16) [33] of dirty pipeline [7] runs on the side; Sampling pump [3]; Serial connection technology valve (7) [24]; The side is connected on the technology valve (13) [30] of line calibrating mouthful (2) [37]; The thermal expansion safety valve [5] of dirty pipeline [7] runs on the side; Technology valve (10) [27]; Technology valve (8)] 25] and on-line densimeter [4]; Connect technology valve (10) [27] the other end again after technology valve (9) [26] series connection; Air valve [15] runs on the side; The technology valve (17) [34] of dirty pipeline [7] runs on the side; Intelligent pressure transmitter [9]; Instrument junction box [16] is connected with the SCADA system;
The flow process of carrying out oil transport pipeline online density measuring method with said apparatus is successively:
1) filtration and blowdown;
2) differential pressure measurement at filtration two ends;
3) flux test;
4) manually sampling;
5) in-line calibration;
6) Pressure testing;
7) blowdown;
8) sampling pump [3] sampling;
9) in-line calibration;
10) thermal expansion safety protection;
11) online Density Detection;
12) exhaust;
13) intelligent pressure transmitter;
14) differential pressure measurement, flow detection, sampling, online Density Detection, intelligent pressure transmitter respectively send the instrument junction box [16] with signal, and instrument junction box [16] send the SCADA system again.
2. oil transport pipeline online density measuring method according to claim 1 is characterized in that in the inlet/outlet outer end of technology main line [6] insulated flange being installed respectively, insulate with tested pipeline.
3. oil transport pipeline online density measuring method according to claim 1 is characterized in that the two magnetic filters (1) [2] of said filtration and blowdown employing, the parallelly connected mode of magnetic filter (2) [38], and the foreign material that filter out are drained through blowdown pipeline [7].
4. oil transport pipeline online density measuring method according to claim 1, the differential pressure measurement that it is characterized in that said filtration two ends are to send SCADA system handles with intelligent differential pressure transmitter [10] with pressure difference signal.
5. oil transport pipeline online density measuring method according to claim 1 is characterized in that said flow detection adopts flow switch [11] to send SCADA system handles with flux signal.
6. oil transport pipeline online density measuring method according to claim 1 is characterized in that said blowdown is after the back of pressure gauge [12] on the spot, thermal expansion safety and after the exhaust, respectively has blowdown pipeline [7] blowdown.
7. oil transport pipeline online density measuring method according to claim 1 is characterized in that it is to be realized by intelligent pressure transmitter [9] that said intelligent pressure change is sent, and is implemented in the linear pressure compensation to on-line densimeter [4].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010227104 CN102313138B (en) | 2010-07-06 | 2010-07-06 | Online density measurement method of petroleum transmission pipeline |
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|---|---|---|---|
| CN 201010227104 CN102313138B (en) | 2010-07-06 | 2010-07-06 | Online density measurement method of petroleum transmission pipeline |
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| CN102313138B CN102313138B (en) | 2013-05-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483946A (en) * | 2021-06-01 | 2021-10-08 | 广西防城港核电有限公司 | Water filling and exhausting system and method for differential pressure transmitter |
| CN109386738B (en) * | 2018-12-18 | 2023-11-14 | 中国石油天然气集团有限公司 | Pipe explosion monitoring alarm and interlocking protection device for valve chamber main pipeline of gas pipeline |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1323391A (en) * | 1971-02-03 | 1973-07-11 | Grove M H | Valve control system and method |
| US5394339A (en) * | 1992-03-30 | 1995-02-28 | Paul-Munroe Hydraulics Inc. | Apparatus for analyzing oil well production fluid |
| CN1338587A (en) * | 2001-07-05 | 2002-03-06 | 上海交通大学 | In-line continuous measuring method for concentration and density of liquid medium |
| US6457483B1 (en) * | 1999-12-08 | 2002-10-01 | Innovatherm Prof. Dr. Leisenberg Gmbh & Co. Kg | Process and fixture for ascertaining pressure losses |
| CN201378135Y (en) * | 2009-03-25 | 2010-01-06 | 中国石化集团胜利石油管理局井下作业公司 | Liquid and on-line fluid density measuring device |
| RU2393380C1 (en) * | 2009-01-27 | 2010-06-27 | Общество С Ограниченной Ответственностью "Газпромэнергодиагностика" | Method for measurement of gas flow through untight gate of closed ball valve of stop and control valves of manifold pipeline and device for its implementation |
-
2010
- 2010-07-06 CN CN 201010227104 patent/CN102313138B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1323391A (en) * | 1971-02-03 | 1973-07-11 | Grove M H | Valve control system and method |
| US5394339A (en) * | 1992-03-30 | 1995-02-28 | Paul-Munroe Hydraulics Inc. | Apparatus for analyzing oil well production fluid |
| US6457483B1 (en) * | 1999-12-08 | 2002-10-01 | Innovatherm Prof. Dr. Leisenberg Gmbh & Co. Kg | Process and fixture for ascertaining pressure losses |
| CN1338587A (en) * | 2001-07-05 | 2002-03-06 | 上海交通大学 | In-line continuous measuring method for concentration and density of liquid medium |
| RU2393380C1 (en) * | 2009-01-27 | 2010-06-27 | Общество С Ограниченной Ответственностью "Газпромэнергодиагностика" | Method for measurement of gas flow through untight gate of closed ball valve of stop and control valves of manifold pipeline and device for its implementation |
| CN201378135Y (en) * | 2009-03-25 | 2010-01-06 | 中国石化集团胜利石油管理局井下作业公司 | Liquid and on-line fluid density measuring device |
Non-Patent Citations (1)
| Title |
|---|
| 李辉 等: "管道输送原油密度在线测量方法研究", 《计量技术》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386738B (en) * | 2018-12-18 | 2023-11-14 | 中国石油天然气集团有限公司 | Pipe explosion monitoring alarm and interlocking protection device for valve chamber main pipeline of gas pipeline |
| CN113483946A (en) * | 2021-06-01 | 2021-10-08 | 广西防城港核电有限公司 | Water filling and exhausting system and method for differential pressure transmitter |
| CN113483946B (en) * | 2021-06-01 | 2023-04-28 | 广西防城港核电有限公司 | Water filling and exhausting system and method for differential pressure transmitter |
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| CN102313138B (en) | 2013-05-01 |
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