CN205748500U - Integrated intelligent differential pressure type gas flow management system - Google Patents

Integrated intelligent differential pressure type gas flow management system Download PDF

Info

Publication number
CN205748500U
CN205748500U CN201620644893.8U CN201620644893U CN205748500U CN 205748500 U CN205748500 U CN 205748500U CN 201620644893 U CN201620644893 U CN 201620644893U CN 205748500 U CN205748500 U CN 205748500U
Authority
CN
China
Prior art keywords
differential pressure
valve
natural gas
component
signal input
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201620644893.8U
Other languages
Chinese (zh)
Inventor
黄斌
吴顺利
刘波
周堯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DEYANG DIXINJIA VALVE MANUFACTURE Co Ltd
Original Assignee
DEYANG DIXINJIA VALVE MANUFACTURE Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DEYANG DIXINJIA VALVE MANUFACTURE Co Ltd filed Critical DEYANG DIXINJIA VALVE MANUFACTURE Co Ltd
Priority to CN201620644893.8U priority Critical patent/CN205748500U/en
Application granted granted Critical
Publication of CN205748500U publication Critical patent/CN205748500U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Measuring Volume Flow (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The integrated intelligent differential pressure type gas flow management system that this utility model provides, relates to gas dosing field, and valve-type orifice-plate throttling arrangement, natural gas online component analysis instrument, temperature sensor and component sampling valve are arranged on natural gas line;Valve-type orifice-plate throttling arrangement is connected with integral flux computer by differential pressure signal input pipe, and differential pressure signal input pipe is provided with inside screw stop valve;Natural gas online component analysis instrument is connected with described integral flux computer by component data output cable;Component sampling valve selects electromagnetic valve component analysis online with natural gas instrument to be connected by stream;Integral flux computer is connected by described temperature signal input pipe with temperature sensor, this differential pressure type flow management system measuring accuracy is high, structure concisely facilitates operation and maintenance, and possesses real-time gas component on-line analysis, gas temperature detection and can regulate in real time and select detected gas.

Description

Integrated intelligent differential pressure type gas flow management system
Technical field
This utility model relates to gas dosing field, is specifically related to integrated intelligent differential pressure type gas flow management system.
Background technology
Changed the standard state variable density caused by gas component, compressibility factor changes, and all will affect flow measurement Accuracy, in the metering system that flow value is big in original technology, is by natural gas is timed sampling, and analyzing Data are entered manually in flow computer and carry out flow rate calculation, owing to gas component or density are not upgrade in time, because of The accuracy of this flow measured and fairness will be affected, and differential pressure type flow management system is the most conventional a kind of stream Consumption metering system, especially in measurement of gas flow field, the most common, along with the development of science and technology, the intellectuality of metering outfit Degree is more and more higher, and such as Publication No. CN204007728U, the time of disclosure is December in 2014 10, entitled " energy-saving Integrated intelligent differential pressure type flowmeter " Chinese utility model patent, disclose a kind of natural gas flowmeter, fill including orifice throttle Put, pressure guiding pipe, drain plug, three valve groups, intelligent flow manager, solar panel, flexible metal catheter and thermocouple, three valves Group is made up of stop valve A, stop valve B and balanced valve, and throttle orifice plate apparatus is connected by flange and a fluid-transporting tubing, and hole Plate throttling arrangement is connected with stop valve A, stop valve B and balanced valve respectively also by pressure guiding pipe, and drain plug is arranged in three valve groups, Intelligent flow manager is arranged on three valve group upper ends, and intelligent flow manager and thermocouple are electrically led by being interspersed in flexible metal Wire electrical connection within pipe, this energy-saving integrated intelligent differential pressure type flowmeter has compact conformation, perfect in shape and function, measuring accuracy Feature high and low in energy consumption, and use and safeguard the most very convenient, reliability is high, utilizes solar powered, it is simple to outdoor use, But this differential pressure flowmeter does not possess the real-time analytic function of gas component, the data such as gas component, density can only periodically be passed through Being entered manually in flow computer and carry out flow accumulation, the design operation and maintenance using multiple valve port is the most cumbersome, with Time the most do not possess select detected gas function.
Summary of the invention
The purpose of this utility model is to provide a kind of measuring accuracy height, structure concisely to facilitate operation and maintenance, and have Standby real-time gas component on-line analysis, gas temperature detect and can regulate and select the differential pressure type flowtube of detected gas in real time Reason system.
The purpose of this utility model is achieved through the following technical solutions:
Integrated intelligent differential pressure type gas flow management system, including valve-type orifice-plate throttling arrangement, the online component of natural gas Analyser, component data output cable, stream select electromagnetic valve, sample conduit, integration with outer signal output interface Flow computer, temperature signal input pipe, temperature sensor, component sampling valve, differential pressure signal input pipe and female thread cut Only valve, it is characterised in that: described valve-type orifice-plate throttling arrangement, natural gas online component analysis instrument, temperature sensor and component are adopted Sample valve is arranged on natural gas line;Described valve-type orifice-plate throttling arrangement is by differential pressure signal input pipe and described integrated stream Amount computer is connected, and described differential pressure signal input pipe is provided with inside screw stop valve;The online component analysis of described natural gas Instrument is connected with described integral flux computer by component data output cable;Described component sampling valve selects electricity by stream Magnet valve component analysis online with described natural gas instrument is connected;Described integral flux computer and temperature sensor are by described temperature Degree signal input pipe is connected.
Described natural gas online component analysis instrument and integral flux computer are arranged on natural gas tube by mounting bracket On road.
Described natural gas online component analysis instrument is a kind of gas chromatographicanalyzer device, and this gas chromatographicanalyzer device is The equipment of the art comparative maturity, the gas chromatographicanalyzer that model is " NGC-8206 " produced such as ABB AB of Switzerland.
Described sample conduit, uses accurate stainless steel tube manufacture, the graphene coated corrosion-inhibiting coating of inwall, have weatherability, The characteristics such as anti-ion permeability, resistance to erosion and long-effective corrosion, make the gas sample being input to analyser not by any pollution, it is ensured that point Analyse the accurate of data.
Described integral flux computer includes that the input channel of signal, CPU and peripheral circuit, output are led to Road, standard communication interface and human-computer exchange passage, the differential pressure produced when can the most automatically measure fluid flow through orifices plate, pressure, temperature Degree, after compensating the various factors affecting certainty of measurement, accurately calculates mass flow or the volume flow of fluid.In conjunction with The parameter such as sensor integral fusion and precision data treatment technology, the dynamic component of natural gas, density, temperature, differential pressure exists The key technology of real-time accurate algorithm in flow computer.
Described outer signal output interface is a kind of data transmission mouth, the metering of flow rate calculation, component data is passed through MODBUS communications protocol derives, and is uploaded to higher level management through quantification department.
The beneficial effects of the utility model are as follows:
One, the integrated intelligent differential pressure type gas flow management system that this utility model provides, in the metering of general differential pressure be On the basis of system, integrate and add the parts such as natural gas online component analysis instrument and stream selection electromagnetic valve, retain high measuring accuracy While, overall structure concisely facilitates operation and maintenance, and possesses gas component on-line analysis, it is possible in real time regulation and Select detected gas, differential pressure signal input pipe is provided with inside screw stop valve and is easy in use hand switch operation, temperature The temperature signal detected is input to flow computer by temperature signal input pipe and is mended by temperature by degree sensor in time Repay and carry out flux modification, system overall monitor management gas flow and group grading information, combine sensor integral fusion and Parameter real-time accurates in flow computer such as precision data treatment technology, the dynamic component of natural gas, density, temperature, differential pressure The key technology of algorithm.
Two, the integrated intelligent differential pressure type gas flow management system that this utility model provides, the online component of natural gas is divided Analyzer and integral flux computer are arranged on natural gas line more convenient by mounting bracket.
Three, the integrated intelligent differential pressure type gas flow management system that this utility model provides, sample conduit uses precision Stainless steel tube manufactures, and the graphene coated corrosion-inhibiting coating of inwall has weatherability, anti-ion permeability, resistance to erosion and long-effective corrosion Etc. characteristic, make the gas sample being input to analyser not by any pollution, it is ensured that analytical data accurate.
Four, the integrated intelligent differential pressure type gas flow management system that this utility model provides, integral flux computer The differential pressure of generation, pressure, temperature when can the most automatically measure fluid flow through orifices plate, carried out the various factors affecting certainty of measurement After compensation, accurately calculate mass flow or the volume flow of fluid.Combine at sensor integral fusion and precision data Parameter keys of real-time accurate algorithm in flow computer such as reason technology, the dynamic component of natural gas, density, temperature, differential pressure Technology.
Accompanying drawing explanation
Fig. 1 is the structural diagrams of a kind of preferred version of this utility model;
In figure:
1, valve-type orifice-plate throttling arrangement;2, natural gas online component analysis instrument;3, component data output cable;4, stream choosing Select electromagnetic valve;5, sample conduit;6, integral flux computer;7, temperature signal input pipe;8, temperature sensor;9, component Sampling valve;10, downstream straight length;11, mounting bracket;12, differential pressure signal input pipe;13, outer signal output interface;14、 Inside screw stop valve;15, upstream straight length.
Detailed description of the invention:
Further illustrate the technical scheme realizing this utility model purpose below by several specific embodiments, need Bright is that the method realizing this utility model purpose includes but not limited to techniques below scheme.
Embodiment 1
Integrated intelligent differential pressure type gas flow management system, including valve-type orifice-plate throttling arrangement 1, the online component of natural gas Analyser 2, component data output cable 3, stream select electromagnetic valve 4, sample conduit 5, with outer signal output interface 13 Integral flux computer 6, temperature signal input pipe 7, temperature sensor 8, component sampling valve 9, differential pressure signal input pipe 12 and inside screw stop valve 14, described valve-type orifice-plate throttling arrangement 1, natural gas online component analysis instrument 2, temperature sensor 8 and Component sampling valve 9 is arranged on natural gas line;Described valve-type orifice-plate throttling arrangement 1 is by differential pressure signal input pipe 12 and institute State integral flux computer 6 to be connected, described differential pressure signal input pipe 12 is provided with inside screw stop valve 14;Described natural Gas online component analysis instrument 2 is connected with described integral flux computer 6 by component data output cable 3;Described component is adopted Sample valve 9 selects electromagnetic valve 4 component analysis online with described natural gas instrument 2 to be connected by stream;Described integral flux computer 6 It is connected by described temperature signal input pipe 7 with temperature sensor 8.
This is most basic embodiment of the present utility model.On the basis of general differential pressure metering system, integrate and add sky So gas online component analysis instrument 2 and stream select the parts such as electromagnetic valve 4, and while retaining high measuring accuracy, overall structure is simple and clear Facilitate operation and maintenance, and possess gas component on-line analysis, it is possible to regulation in real time and selection detected gas, Quan Mianjian Keyholed back plate process gases flow and group grading information.
Embodiment 2
Integrated intelligent differential pressure type gas flow management system, including valve-type orifice-plate throttling arrangement 1, the online component of natural gas Analyser 2, component data output cable 3, stream select electromagnetic valve 4, sample conduit 5, with outer signal output interface 13 Integral flux computer 6, temperature signal input pipe 7, temperature sensor 8, component sampling valve 9, differential pressure signal input pipe 12 and inside screw stop valve 14, described valve-type orifice-plate throttling arrangement 1, natural gas online component analysis instrument 2, temperature sensor 8 and Component sampling valve 9 is arranged on natural gas line;Described valve-type orifice-plate throttling arrangement 1 is by differential pressure signal input pipe 12 and institute State integral flux computer 6 to be connected, described differential pressure signal input pipe 12 is provided with inside screw stop valve 14;Described natural Gas online component analysis instrument 2 is connected with described integral flux computer 6 by component data output cable 3;Described component is adopted Sample valve 9 selects electromagnetic valve 4 component analysis online with described natural gas instrument 2 to be connected by stream;Described integral flux computer 6 It is connected by described temperature signal input pipe 7 with temperature sensor 8.
Described natural gas online component analysis instrument 2 and integral flux computer 6 are arranged on natural by mounting bracket 11 In feed channel.
This is a kind of preferred embodiment of the present utility model.On the basis of general differential pressure metering system, integration adds Enter natural gas online component analysis instrument 2 and stream selects the parts such as electromagnetic valve 4, while retaining high measuring accuracy, overall structure Concisely facilitate operation and maintenance, and possess gas component on-line analysis, it is possible to regulation in real time and selection detected gas, entirely Face monitoring management gas flow and group grading information;Natural gas online component analysis instrument 2 and integral flux computer 6 are by peace Dress support is arranged on natural gas line more convenient.
Embodiment 3
Integrated intelligent differential pressure type gas flow management system, including valve-type orifice-plate throttling arrangement 1, the online component of natural gas Analyser 2, component data output cable 3, stream select electromagnetic valve 4, sample conduit 5, with outer signal output interface 13 Integral flux computer 6, temperature signal input pipe 7, temperature sensor 8, component sampling valve 9, differential pressure signal input pipe 12 and inside screw stop valve 14, described valve-type orifice-plate throttling arrangement 1, natural gas online component analysis instrument 2, temperature sensor 8 and Component sampling valve 9 is arranged on natural gas line;Described valve-type orifice-plate throttling arrangement 1 is by differential pressure signal input pipe 12 and institute State integral flux computer 6 to be connected, described differential pressure signal input pipe 12 is provided with inside screw stop valve 14;Described natural Gas online component analysis instrument 2 is connected with described integral flux computer 6 by component data output cable 3;Described component is adopted Sample valve 9 selects electromagnetic valve 4 component analysis online with described natural gas instrument 2 to be connected by stream;Described integral flux computer 6 It is connected by described temperature signal input pipe 7 with temperature sensor 8.
Described natural gas online component analysis instrument 2 and integral flux computer 6 are arranged on natural by mounting bracket 11 In feed channel.
Described sample conduit 5, uses accurate stainless steel tube manufacture, the graphene coated corrosion-inhibiting coating of inwall.
This is a kind of preferred embodiment of the present utility model.On the basis of general differential pressure metering system, integration adds Enter natural gas online component analysis instrument 2 and stream selects the parts such as electromagnetic valve 4, while retaining high measuring accuracy, overall structure Concisely facilitate operation and maintenance, and possess gas component on-line analysis, it is possible to regulation in real time and selection detected gas, entirely Face monitoring management gas flow and group grading information;Natural gas online component analysis instrument 2 and integral flux computer 6 are by peace Dress support is arranged on natural gas line more convenient;Sampling is led 5 pipes and is used accurate stainless steel tube manufacture, and inwall is graphene coated Corrosion-inhibiting coating, has the characteristics such as weatherability, anti-ion permeability, resistance to erosion and long-effective corrosion, makes to be input to the gas sample of analyser Not by any pollution, it is ensured that analytical data accurate.
Embodiment 4
Integrated intelligent differential pressure type gas flow management system, including valve-type orifice-plate throttling arrangement 1, the online component of natural gas Analyser 2, component data output cable 3, stream select electromagnetic valve 4, sample conduit 5, with outer signal output interface 13 Integral flux computer 6, temperature signal input pipe 7, temperature sensor 8, component sampling valve 9, differential pressure signal input pipe 12 and inside screw stop valve 14, described valve-type orifice-plate throttling arrangement 1, natural gas online component analysis instrument 2, temperature sensor 8 and Component sampling valve 9 is arranged on natural gas line;Described valve-type orifice-plate throttling arrangement 1 is by differential pressure signal input pipe 12 and institute State integral flux computer 6 to be connected, described differential pressure signal input pipe 12 is provided with inside screw stop valve 14;Described natural Gas online component analysis instrument 2 is connected with described integral flux computer 6 by component data output cable 3;Described component is adopted Sample valve 9 selects electromagnetic valve 4 component analysis online with described natural gas instrument 2 to be connected by stream;Described integral flux computer 6 It is connected by described temperature signal input pipe 7 with temperature sensor 8.
Described natural gas online component analysis instrument 2 and integral flux computer 6 are arranged on natural by mounting bracket 11 In feed channel.
Described sample conduit 5, uses accurate stainless steel tube manufacture, the graphene coated corrosion-inhibiting coating of inwall.
Described integral flux computer 6 includes that the input channel of signal, CPU and peripheral circuit, output are led to Road, standard communication interface and human-computer exchange passage.
This is a kind of preferred embodiment of the present utility model.On the basis of general differential pressure metering system, integration adds Enter natural gas online component analysis instrument 2 and stream selects the parts such as electromagnetic valve 4, while retaining high measuring accuracy, overall structure Concisely facilitate operation and maintenance, and possess gas component on-line analysis, it is possible to regulation in real time and selection detected gas, entirely Face monitoring management gas flow and group grading information;Natural gas online component analysis instrument 2 and integral flux computer 6 are by peace Dress support is arranged on natural gas line more convenient;Sampling is led 5 pipes and is used accurate stainless steel tube manufacture, and inwall is graphene coated Corrosion-inhibiting coating, has the characteristics such as weatherability, anti-ion permeability, resistance to erosion and long-effective corrosion, makes to be input to the gas sample of analyser Not by any pollution, it is ensured that analytical data accurate;Integral flux computer 6 can measure fluid flow through orifices plate the most automatically Time produce differential pressure, pressure, temperature, after the various factors affecting certainty of measurement is compensated, accurately calculate the matter of fluid Amount flow or volume flow.Combine sensor integral fusion and precision data treatment technology, the dynamic component of natural gas, close Parameter key technologies of real-time accurate algorithm in flow computer such as degree, temperature, differential pressure.
Embodiment 5
Integrated intelligent differential pressure type gas flow management system, including valve-type orifice-plate throttling arrangement 1, the online component of natural gas Analyser 2, component data output cable 3, stream select electromagnetic valve 4, sample conduit 5, with outer signal output interface 13 Integral flux computer 6, temperature signal input pipe 7, temperature sensor 8, component sampling valve 9, differential pressure signal input pipe 12 and inside screw stop valve 14, described valve-type orifice-plate throttling arrangement 1, natural gas online component analysis instrument 2, temperature sensor 8 and Component sampling valve 9 is arranged on natural gas line;Described valve-type orifice-plate throttling arrangement 1 is by differential pressure signal input pipe 12 and institute State integral flux computer 6 to be connected, described differential pressure signal input pipe 12 is provided with inside screw stop valve 14;Described natural Gas online component analysis instrument 2 is connected with described integral flux computer 6 by component data output cable 3;Described component is adopted Sample valve 9 selects electromagnetic valve 4 component analysis online with described natural gas instrument 2 to be connected by stream;Described integral flux computer 6 It is connected by described temperature signal input pipe 7 with temperature sensor 8.
Described natural gas online component analysis instrument 2 and integral flux computer 6 are arranged on natural by mounting bracket 11 In feed channel.
Described sample conduit 5, uses accurate stainless steel tube manufacture, the graphene coated corrosion-inhibiting coating of inwall.
Described integral flux computer 6 includes that the input channel of signal, CPU and peripheral circuit, output are led to Road, standard communication interface and human-computer exchange passage.
Described outer signal output interface 13 is a kind of data transmission mouth, metering and the component data of flow rate calculation is passed through MODBUS communications protocol derives.
This is a kind of preferred embodiment of the present utility model.On the basis of general differential pressure metering system, integration adds Enter natural gas online component analysis instrument 2 and stream selects the parts such as electromagnetic valve 4, differential pressure signal input pipe 12 is provided with interior spiral shell Stricture of vagina stop valve 14 is easy in use hand switch operation, and temperature sensor 8 in time will detection by temperature signal input pipe 7 To temperature signal be input to flow computer and carry out flux modification by temperature-compensating, system overall monitor management gas flow With group grading information, while retaining high measuring accuracy, overall structure concisely facilitates operation and maintenance, and possesses gas component On-line analysis, it is possible to regulation in real time and selection detected gas, overall monitor management gas flow and group grading information;Natural Gas online component analysis instrument 2 and integral flux computer 6 are arranged on natural gas line more convenient by mounting bracket;Adopt Sample is led 5 pipes and is used accurate stainless steel tube manufactures, the graphene coated corrosion-inhibiting coating of inwall, has weatherability, anti-ion permeability, resistance to Wash away and the characteristics such as long-effective corrosion, make the gas sample being input to analyser not by any pollution, it is ensured that analytical data accurate;One The differential pressure of generation, pressure, temperature when fluidized flow amount computer 6 can measure fluid flow through orifices plate the most automatically, measure essence to impact After the various factors of degree compensates, accurately calculate mass flow or the volume flow of fluid.Combine sensor integration The parameters such as fusion and precision data treatment technology, the dynamic component of natural gas, density, temperature, differential pressure are real in flow computer The key technology of Shi Jingmi algorithm.

Claims (5)

1. integrated intelligent differential pressure type gas flow management system, including valve-type orifice-plate throttling arrangement (1), the online component of natural gas Analyser (2), component data output cable (3), stream select electromagnetic valve (4), sample conduit (5), export with outer signal The integral flux computer (6) of interface (13), temperature signal input pipe (7), temperature sensor (8), component sampling valve (9), differential pressure signal input pipe (12) and inside screw stop valve (14), it is characterised in that: described valve-type orifice-plate throttling arrangement (1), natural gas online component analysis instrument (2), temperature sensor (8) and component sampling valve (9) are arranged on natural gas line;Institute State valve-type orifice-plate throttling arrangement (1) to be connected with described integral flux computer (6) by differential pressure signal input pipe (12), institute State and on differential pressure signal input pipe (12), be provided with inside screw stop valve (14);Described natural gas online component analysis instrument (2) leads to Cross component data output cable (3) to be connected with described integral flux computer (6);Described component sampling valve (9) passes through stream Electromagnetic valve (4) component analysis online with described natural gas instrument (2) is selected to be connected;Described integral flux computer (6) and temperature Sensor (8) is connected by described temperature signal input pipe (7).
2. integrated intelligent differential pressure type gas flow management system as claimed in claim 1, it is characterised in that: described natural gas Online component analysis instrument (2) and integral flux computer (6) are arranged on natural gas line by mounting bracket (11).
3. integrated intelligent differential pressure type gas flow management system as claimed in claim 1, it is characterised in that: described sampling is led Pipe (5), uses accurate stainless steel tube manufacture, the graphene coated corrosion-inhibiting coating of inwall.
4. integrated intelligent differential pressure type gas flow management system as claimed in claim 1, it is characterised in that: described integration Flow computer (6) includes the input channel of signal, CPU and peripheral circuit, output channel, standard communication interface With human-computer exchange passage.
5. integrated intelligent differential pressure type gas flow management system as claimed in claim 1, it is characterised in that: described external letter Number output interface (13) is a kind of data transmission mouth, metering and the component data of flow rate calculation is entered by MODBUS communications protocol Row is derived.
CN201620644893.8U 2016-06-27 2016-06-27 Integrated intelligent differential pressure type gas flow management system Active CN205748500U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620644893.8U CN205748500U (en) 2016-06-27 2016-06-27 Integrated intelligent differential pressure type gas flow management system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620644893.8U CN205748500U (en) 2016-06-27 2016-06-27 Integrated intelligent differential pressure type gas flow management system

Publications (1)

Publication Number Publication Date
CN205748500U true CN205748500U (en) 2016-11-30

Family

ID=57382642

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620644893.8U Active CN205748500U (en) 2016-06-27 2016-06-27 Integrated intelligent differential pressure type gas flow management system

Country Status (1)

Country Link
CN (1) CN205748500U (en)

Similar Documents

Publication Publication Date Title
CN207317905U (en) Flowmeter calibrating installation
CN201837418U (en) High-precision wide-range integrated throttle device
CN206020318U (en) A kind of gas dew point analytical equipment
CN109186722A (en) A kind of on-line calibration method and system of the Permanent-Magnet Sodium Flowmeter of embedded swirl generating body
Ravula et al. Experimental validation of leak and water-ingression detection in low-pressure gas pipeline using pressure and flow measurements
CN205748501U (en) A kind of integrated intelligent differential pressure type gas flow management system
CN203224283U (en) Liquid flow field calibration device
CN205748500U (en) Integrated intelligent differential pressure type gas flow management system
CN207894462U (en) A kind of wide-range compares electromagnetic flow transducer
CN201908645U (en) Orifice plate differential pressure natural gas gas-liquid two-phase on-line metering device
CN106444931A (en) A white spirit alcoholic strength on-line monitoring method and a monitoring device
CN203011884U (en) Online continuous pH measuring meter
CN1529139A (en) Automatic calibrating system for heat meter
CN212058917U (en) Differential pressure type electronic flow switch
CN203672461U (en) Calibrating device of gas flowmeter
CN116337167A (en) Double-bent-tube flow pressure measuring structure and method thereof
CN210802568U (en) Arnuba formula gas metering device
CN202832487U (en) Gas-liquid two-phase metering device
CN103323066A (en) Low-liquid-content gas-liquid two-phase flow measurement method and system
CN209102162U (en) A kind of multiple flow passages ultrasonic wave gas meter
CN205138604U (en) Two standard gass table pulsation flow metering error detection device
CN206311154U (en) A kind of electronic type gas mass flow gauge
CN207816416U (en) Air pulsing flow standard experimental rig
CN204855044U (en) Measuring device is decreased to heat energy gauge pressure
CN201016893Y (en) Open type pipeline gas concentration gas recovery device

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant