CN106895262B - A kind of flow regulator and flow rate adjusting method for product oil entrucking - Google Patents

A kind of flow regulator and flow rate adjusting method for product oil entrucking Download PDF

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Publication number
CN106895262B
CN106895262B CN201710104751.1A CN201710104751A CN106895262B CN 106895262 B CN106895262 B CN 106895262B CN 201710104751 A CN201710104751 A CN 201710104751A CN 106895262 B CN106895262 B CN 106895262B
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China
Prior art keywords
oil
flow
pipeline
valve
flow measurement
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CN201710104751.1A
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CN106895262A (en
Inventor
聂中文
王大伟
姜宇澄
辛彪
谢玉春
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China Petroleum and Natural Gas Co Ltd
Original Assignee
China National Petroleum Corp
China Petroleum Pipeline Engineering Corp
China Petroleum Pipeline Engineering Corp Design Branch
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Priority to CN201710104751.1A priority Critical patent/CN106895262B/en
Publication of CN106895262A publication Critical patent/CN106895262A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D3/00Arrangements for supervising or controlling working operations
    • F17D3/01Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D3/00Arrangements for supervising or controlling working operations
    • F17D3/18Arrangements for supervising or controlling working operations for measuring the quantity of conveyed product

Abstract

The invention discloses a kind of flow regulators for product oil entrucking, process pipelines one end is connect with first flange, the process pipelines other end adjusts pipeline one end with flow measurement and connect, flow measurement adjusts the pipeline other end and is connect with entrucking oil filling riser one end by flange, the entrucking oil filling riser other end is connect with product oil roof, and flow measurement adjusts pipeline and connect with process controller by cable;Flow measurement regulation pipe road has been sequentially connected in series the first process gate valve, filtering air separator, the second process gate valve, integrative temperature transmitter, intelligent pressure transmitter, flowmeter, flow control valve and butterfly valve.The present invention also provides a kind of flow rate adjusting methods for product oil entrucking.Beneficial effects of the present invention are:It improves continuity, accuracy and the stability of metering and control, facilitate operation and maintenance.

Description

A kind of flow regulator and flow rate adjusting method for product oil entrucking
Technical field
The present invention relates to entrucking system technical fields, are filled in particular to a kind of flow-rate adjustment for product oil entrucking It sets and flow rate adjusting method.
Background technology
Yard is measured in entrucking, the normal operation to meet loading system need to be measured and be adjusted to the flow of oil product. It is previous main using metering system and regulating system was respectively set, two systems are relatively independent, wherein metering system includes mainly Upstream and downstream straight pipe, upstream block valve and flowmeter, regulating system includes mainly upstream block valve and regulating valve, by metering system It is uploaded to station control system with the data of voltage-regulating system, the detection and adjusting of flow are realized by station control system.But this method is deposited The shortcomings that be that flowmeter and regulating valve cannot achieve one-to-one correspondence, the flow control response time is slow, and system adjustment precision is low, if Standby to take up a large area, investment is high.
Invention content
To solve the above problems, the purpose of the present invention is to provide a kind of flow regulator for product oil entrucking and Flow rate adjusting method improves continuity, accuracy and the stability of metering and control, facilitates operation and maintenance.
The present invention provides a kind of flow regulator for product oil entrucking, which includes:First Flange, process pipelines, flow measurement adjust pipeline, entrucking oil filling riser and process controller;
Described process pipelines one end is connect with the first flange, the process pipelines other end and the flow measurement tune The connection of pipeline one end is saved, the flow measurement adjusts the pipeline other end and connect with entrucking oil filling riser one end by flange, described The entrucking oil filling riser other end is connect with product oil roof, and the flow measurement adjusts pipeline and passes through cable and the process controller Connection;
Wherein, the flow measurement regulation pipe road has been sequentially connected in series the first process gate valve, filtering air separator, the second technique Gate valve, integrative temperature transmitter, intelligent pressure transmitter, flowmeter, flow control valve and butterfly valve, on the filtering air separator Equipped with valve, the pipeline that the intelligent pressure transmitter adjusts piping connection with the flow measurement is equipped with valve;
The flow measurement regulation pipe road is equipped with reflux pipeline, and described reflux pipeline one end is connected to first technique Flow measurement regulation pipe road between gate valve and the filtering air separator, the reflux pipeline other end are connected to the flow Flow measurement regulation pipe road between regulating valve and the butterfly valve;
On-line proving suction line, the on-line proving are equipped between the filtering air separator and second process gate valve Suction line one end adjusts pipeline with the flow measurement and is connected, and the on-line proving suction line other end passes through second flange It is connected with calibration system;
Between second process gate valve and the integrative temperature transmitter be equipped with on-line proving outlet line, it is described Line demarcates outlet line one end and the flow measurement adjusting pipeline and is connected, and the on-line proving outlet line other end passes through the Three flanges are connected with calibration system;
The product oil roof is equipped with oil spill protector, and the insertion aluminum pipe of the entrucking oil filling riser is inserted into the oil spilling protection Device;
Ground near the product oil vehicle has electrostatic protector;
The filtering air separator is equipped with differential pressure gauge on the spot, the both ends of differential pressure gauge on the spot and the flow measurement regulation pipe It is equipped with valve on the pipeline of road connection;
The entrucking oil filling riser connects blow-down pipe;
The flowmeter is connect by first instrument cable with the process controller, and the intelligent pressure transmitter passes through Second instrument cable is connect with the process controller, and the integrative temperature transmitter passes through third instrument cable and the stream Range controller connects, and the flow control valve is connect by the 4th instrument cable with the process controller, the oil spilling protection Device is connect by the 5th instrument cable with the process controller, and the electrostatic protector passes through the 6th instrument cable and the stream Range controller connects, and the process controller is connect with SCADA system.
As further improvement of the invention, the flow is calculated as volumetric flowmeter.
As further improvement of the invention, the flow control valve is hydraulic actuating mechanism electromagnetic valve.
As further improvement of the invention, first process gate valve and the second technique valve gate valve are straight-through diameter Welding type hand valve.
As further improvement of the invention, the butterfly valve is three-eccentric-butterfly-valve.
The present invention also provides a kind of flow rate adjusting methods for product oil entrucking, including:
Step 1, product oil enters the process pipelines, the first technique valve through upstream inlet by the import of process pipelines Door enters the flow measurement and adjusts pipeline;
Step 2, product oil is filtered and is disappeared by the filtering air separator of flow measurement regulation pipe road installation Bubble removing, and the differential pressure gauge on the spot by being installed on the filtering air separator is filtered product oil the pressure before and after eliminating bubble Power measures;
Step 3, pass through the integrative temperature transmitter and intelligent pressure of the installation of flow measurement regulation pipe road respectively Transmitter carries out product oil the detection of temperature and pressure, and by the temperature measurement signal of the integrative temperature transmitter and institute The pressure measurement signal for stating intelligent pressure transmitter is accessed by the third instrument cable and the second instrument cable respectively The process controller;
Step 4, flow measurement is carried out to product oil by the flowmeter of flow measurement regulation pipe road installation, and will The flow measurement signal of the flowmeter accesses the process controller by the first instrument cable;
Step 5, flow-rate adjustment is carried out to product oil by the flow control valve of flow measurement regulation pipe road installation, And the flow-rate adjustment monitoring signal of the flow control valve accesses the process controller by the 4th instrument cable;
Step 6, the product oil after superpressure is returned by the reflux pipeline of flow measurement regulation pipe road setting Stream operation, the end that product oil is adjusted to pipeline from the flow measurement flow back into the head end that the flow measurement adjusts pipeline;
Step 7, product oil is carried out by entrucking operation by entrucking oil filling riser;
Step 8, the blow-down pipe that line end setting is adjusted by the flow measurement is vented;
Step 9, the oil spill protector installed by product oil roof, which operates entrucking, carries out spilled oil monitoring, and will be described The oil spilling protection signal of oil spill protector accesses the process controller by the 5th instrument cable;
Step 10, the electrostatic protector installed by the underground near product oil vehicle carries out the entrucking operation of product oil quiet Electric protection, and the electrostatic protection signal of the electrostatic protector is accessed into the process controller by the 6th instrument cable;
Step 11, the process controller receives the flow measurement signal of the flowmeter, the intelligent pressure transmitter Pressure measurement signal, the temperature measurement signal of the integrative temperature transmitter, the flow control valve flow-rate adjustment prison Control signal, the oil spilling protection signal of the oil spill protector and the electrostatic protection signal of the electrostatic protector, the flow control Device processed is handled these signals using built-in microprocessor, and carries out data biography to the SCADA system by bus It is defeated.
Beneficial effects of the present invention are:The device sledge fills outdoor design, degree of protection IP65, and explosive-proof grade is EXdIIBT4 fully meets open-air atmosphere and live requirement of explosion proof;It is connected using standard flange between the device and process pipeline, And suitable for the operating mode of high flow rate;Metering system and regulating system are integrated into set of system, flowmeter and adjusting by the device Valve is corresponded, is connected in series with, and the continuous data for coming from flowmeter enters process controller, and process controller is to corresponding tune It saves valve gauge outfit and carries out accurately flow control, substantially reduce the governing response time, improve degree of regulation;It is examined using high-precision It surveys and control instrument ensures that the overall precision of whole system is held using high precision positive flowmeter as flow instrumentation Product formula flowmeter has many advantages, such as that high-precision, adaptation range of flow is big, the pressure loss is small, floor space is small;Using fluid pressure type electricity Magnetically condition valve has the advantages that degree of regulation is high, noise is small, maintenance cost is low etc..
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of flow regulator for product oil entrucking described in the embodiment of the present invention;
Fig. 2 is a kind of flow diagram of flow rate adjusting method for product oil entrucking described in the embodiment of the present invention.
In figure,
1, first flange;2, process pipelines;3, the first process gate valve;4, flow measurement adjusts pipeline;5, air separator is filtered; 6, the second process gate valve;7, integrative temperature transmitter;8, intelligent pressure transmitter;9, flowmeter;10, flow control valve;11、 Butterfly valve;12, oil spill protector;13, electrostatic protector;14, the 5th process gate valve;15, on-line proving suction line;16, the 6th Process gate valve;17, on-line proving outlet line;18, reflux pipeline;19, third process gate valve;20, the first safety valve;21, Four process gate valves;22, entrucking oil filling riser;23, process controller;24, differential pressure gauge;25, second flange;26, third flange;27, One instrument cable;28, second instrument cable;29, third instrument cable;30, the 4th instrument cable;31, the 5th instrument cable; 32, the 6th instrument cable;33, entrucking start-stop button;34, emergency stop push button;35, the 7th instrument cable;36, the 8th instrument electricity Cable;37, blow-down pipe.
Specific implementation mode
It is described in further detail below by specific embodiment and in conjunction with attached drawing to the present invention.
Embodiment 1, as shown in Figure 1, a kind of flow regulator for product oil entrucking of first embodiment of the invention, The flow regulator includes:First flange 1, process pipelines 2, flow measurement adjust pipeline 4, entrucking oil filling riser 22 and Row control Device 23.
2 one end of process pipelines is connect with first flange 1, and 2 other end of process pipelines adjusts 4 one end of pipeline with flow measurement and connects It connects, flow measurement adjusts 4 other end of pipeline and connect with 22 one end of entrucking oil filling riser by flange, 22 other end of entrucking oil filling riser and finished product Oily roof connection, flow measurement adjust pipeline 4 and are connect with process controller 23 by cable.
Wherein, flow measurement, which is adjusted, has been sequentially connected in series the first process gate valve 3, filtering air separator 5, the second technique on pipeline 4 Gate valve 6, integrative temperature transmitter 7, intelligent pressure transmitter 8, flowmeter 9, flow control valve 10 and butterfly valve 11, filtering is cooled down Device 5 is equipped with valve, and intelligent pressure transmitter 8 adjusts the pipeline that pipeline 4 is connect with flow measurement and is equipped with valve.
Flow measurement adjusts pipeline 4 and is equipped with reflux pipeline 18, and 18 one end of reflux pipeline is connected to 3 He of the first process gate valve The flow measurement filtered between air separator 5 is adjusted on pipeline 4, and 18 other end of reflux pipeline is connected to flow control valve 10 and butterfly valve Flow measurement between 11 is adjusted on pipeline 4.
It filters and is equipped with on-line proving suction line 15, on-line proving suction line between air separator 5 and the second process gate valve 6 15 one end adjust pipeline 4 with flow measurement and are connected, and 15 other end of on-line proving suction line is by second flange 25 and calibration System is connected.
On-line proving outlet line 17 is equipped between second process gate valve 6 and integrative temperature transmitter 7, on-line proving goes out Mouthful 17 one end of pipeline adjusts pipeline 4 with flow measurement and is connected, 17 other end of on-line proving outlet line by third flange 26 and Calibration system is connected.
Product oil roof is equipped with oil spill protector 12, and the insertion aluminum pipe of entrucking oil filling riser 22 is inserted into oil spill protector 12.
Ground near product oil vehicle has electrostatic protector 13.
It filters air separator 5 and is equipped with differential pressure gauge 24 on the spot, 24 both ends of differential pressure gauge adjust pipeline 4 with flow measurement and connect on the spot Pipeline on be equipped with valve.
Entrucking oil filling riser 22 connects blow-down pipe 37.
Flowmeter 9 is connect by first instrument cable 27 with process controller 23, and intelligent pressure transmitter 8 passes through the second instrument Table cable 28 is connect with process controller 23, and integrative temperature transmitter 7 passes through third instrument cable 29 and process controller 23 Connection, flow control valve 10 are connect by the 4th instrument cable 30 with process controller 23, and oil spill protector 12 passes through the 5th instrument Table cable 31 is connect with process controller 23, and electrostatic protector 13 is connect by the 6th instrument cable 32 with process controller 23, Process controller 23 is connect with SCADA system.
Wherein, flowmeter 9 is volumetric flowmeter.Flow control valve 10 is hydraulic actuating mechanism electromagnetic valve.First work Skill gate valve 3 and the second technique valve gate valve 6 are straight-through diameter welding type hand valve.Butterfly valve 11 is three-eccentric-butterfly-valve.
The device sledge fills outdoor design, degree of protection IP65, and explosive-proof grade EXdIIBT4 fully meets outdoor ring Border and live requirement of explosion proof;It is connected using standard flange between the device and process pipeline, and suitable for the operating mode of high flow rate; Metering system and regulating system are integrated into set of system by the device, and flowmeter and regulating valve are corresponded, are connected in series with, come from Enter process controller in the continuous data of flowmeter, process controller carries out accurately flow control to corresponding regulating valve gauge outfit System, substantially reduces the governing response time, improves degree of regulation;Ensure whole system using instrument is detected and controlled in high precision Overall precision, using high precision positive flowmeter as flow instrumentation, volumetric flowmeter has high-precision, adapts to The advantages that range of flow is big, the pressure loss is small, floor space is small;Using fluid pressure type solenoid valve, there is degree of regulation height, make an uproar The advantages such as sound is small, maintenance cost is low.
Embodiment 2, as shown in Fig. 2, a kind of flow-rate adjustment for product oil entrucking described in second embodiment of the invention Method, including:
Step 1, product oil enters process pipelines 2 by the import of process pipelines 2, the first process valve through upstream inlet 3, which enter flow measurement, adjusts pipeline 4;
Step 2, it adjusts the filtering air separator 5 installed on pipeline 4 by flow measurement product oil is filtered and is eliminated Bubble, and the differential pressure gauge on the spot 24 by being installed on filtering air separator 5 is filtered product oil the pressure before and after eliminating bubble It measures;
Step 3, the integrative temperature transmitter 7 installed on pipeline 4 is adjusted by flow measurement respectively and intelligent pressure becomes The detection for sending device 8 to carry out temperature and pressure to product oil, and the temperature measurement signal of integrative temperature transmitter 7 and intelligence are pressed The pressure measurement signal of power transmitter 8 passes through 28 access process controller of third instrument cable 29 and second instrument cable respectively 23;
Step 4, the flowmeter 9 installed on pipeline 4 is adjusted by flow measurement and flow measurement is carried out to product oil, and will stream The flow measurement signal of gauge 9 passes through 27 access process controller 23 of first instrument cable;
Step 5, the flow control valve 10 installed on pipeline 4 is adjusted by flow measurement and flow-rate adjustment is carried out to product oil, And the flow-rate adjustment monitoring signal of flow control valve 10 passes through 30 access process controller 23 of the 4th instrument cable;
Step 6, the reflux pipeline 18 being arranged on pipeline 4 is adjusted by flow measurement to flow back to the product oil after superpressure Operation, the end that product oil is adjusted to pipeline 4 from flow measurement flow back into the head end that flow measurement adjusts pipeline 4;
Step 7, product oil is carried out by entrucking operation by entrucking oil filling riser 22;
Step 8, the blow-down pipe 37 that the setting of 4 end of pipeline is adjusted by flow measurement is vented;
Step 9, entrucking is operated by the oil spill protector 12 that product oil roof is installed and carries out spilled oil monitoring, and will overflow The oil spilling protection signal of oil guard device 12 passes through 31 access process controller 23 of the 5th instrument cable;
Step 10, the electrostatic protector 13 installed by the underground near product oil vehicle operates the entrucking of product oil and carries out Electrostatic protection, and the electrostatic protection signal of electrostatic protector 13 is passed through into 32 access process controller 23 of the 6th instrument cable;
Step 11, process controller 23 receives the flow measurement signal of flowmeter 9, the pressure of intelligent pressure transmitter 8 is surveyed Signal, the temperature measurement signal of integrative temperature transmitter 7, the flow-rate adjustment monitoring signal of flow control valve 10, oil spilling is measured to protect The electrostatic protection signal of the oil spilling protection signal and electrostatic protector 13 of device 12 is protected, process controller 23 uses built-in microprocessor Device handles these signals, and is carried out data transmission to SCADA system by bus.
Using based on microprocessor process controller handle continuous data, carry self-diagnosing function, by bus to SCADA system carries out data transmission, and can read the various data of the detailed related entrucking metering of process controller in real time.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (6)

1. a kind of flow regulator for product oil entrucking, which is characterized in that the flow regulator includes:First flange (1), process pipelines(2), flow measurement adjust pipeline(4), entrucking oil filling riser(22)And process controller(23);
The process pipelines(2)One end and the first flange(1)Connection, the process pipelines(2)The other end and the flow Metering adjusts pipeline(4)One end connects, and the flow measurement adjusts pipeline(4)The other end passes through flange and the entrucking oil filling riser (22)One end connects, the entrucking oil filling riser(22)The other end is connect with product oil roof, and the flow measurement adjusts pipeline(4) Pass through cable and the process controller(23)Connection;
Wherein, the flow measurement adjusts pipeline(4)On be sequentially connected in series the first process gate valve(3), filtering air separator(5), Two process gate valves(6), integrative temperature transmitter(7), intelligent pressure transmitter(8), flowmeter(9), flow control valve(10) And butterfly valve(11), the filtering air separator(5)It is equipped with valve, the intelligent pressure transmitter(8)With the flow measurement tune Save pipeline(4)The pipeline of connection is equipped with valve;
The flow measurement adjusts pipeline(4)It is equipped with reflux pipeline(18), the reflux pipeline(18)One end is connected to described First process gate valve(3)With the filtering air separator(5)Between flow measurement adjust pipeline(4)On, the reflux pipeline (18)The other end is connected to the flow control valve(10)With the butterfly valve(11)Between flow measurement adjust pipeline(4)On;
The filtering air separator(5)With second process gate valve(6)Between be equipped with on-line proving suction line(15), it is described Line demarcates suction line(15)One end adjusts pipeline with the flow measurement(4)It is connected, the on-line proving suction line(15) The other end passes through second flange(25)It is connected with calibration system;
Second process gate valve(6)With the integrative temperature transmitter(7)Between be equipped with on-line proving outlet line(17), The on-line proving outlet line(17)One end adjusts pipeline with the flow measurement(4)It is connected, the on-line proving outlet Line(17)The other end passes through third flange(26)It is connected with calibration system;
The product oil roof is equipped with oil spill protector(12), the entrucking oil filling riser(22)Insertion aluminum pipe be inserted into the oil spilling Protector(12);
Ground near the product oil vehicle has electrostatic protector(13);
The filtering air separator(5)It is equipped with differential pressure gauge on the spot(24), the differential pressure gauge on the spot(24)Both ends and the flowmeter Amount adjusts pipeline(4)It is equipped with valve on the pipeline of connection;
The entrucking oil filling riser(22)Connect blow-down pipe(37);
The flowmeter(9)Pass through first instrument cable(27)With the process controller(23)Connection, the intelligent pressure become Send device(8)Pass through second instrument cable(28)With the process controller(23)Connection, the integrative temperature transmitter(7)It is logical Cross third instrument cable(29)With the process controller(23)Connection, the flow control valve(10)Pass through the 4th instrument cable (30)With the process controller(23)Connection, the oil spill protector(12)Pass through the 5th instrument cable(31)With the flow Controller(23)Connection, the electrostatic protector(13)Pass through the 6th instrument cable(32)With the process controller(23)Even It connects, the process controller(23)It is connect with SCADA system.
2. flow regulator according to claim 1, which is characterized in that the flowmeter(9)For volumetric flowmeter.
3. flow regulator according to claim 1, which is characterized in that the flow control valve(10)It is executed for hydraulic pressure Mechanism electromagnetic valve.
4. flow regulator according to claim 1, which is characterized in that first process gate valve(3)With described Two technique valve gate valves(6)It is straight-through diameter welding type hand valve.
5. flow regulator according to claim 1, which is characterized in that the butterfly valve(11)For three-eccentric-butterfly-valve.
6. a kind of flow rate adjusting method using the flow regulator as described in any one of claim 1-5, feature It is, including:
Step 1, product oil passes through process pipelines(2)Import enter the process pipelines(2), the first technique through upstream inlet Valve(3)Pipeline is adjusted into the flow measurement(4);
Step 2, pipeline is adjusted by the flow measurement(4)The filtering air separator of upper installation(5)Product oil is filtered and Bubble is eliminated, and passes through the filtering air separator(5)The differential pressure gauge on the spot of upper installation(24)Elimination gas is filtered to product oil The front and back pressure measurement of bubble;
Step 3, pipeline is adjusted by the flow measurement respectively(4)The integrative temperature transmitter of upper installation(7)With intelligent pressure Power transmitter(8)The detection of temperature and pressure is carried out to product oil, and by the integrative temperature transmitter(7)Temperature measure Signal and the intelligent pressure transmitter(8)Pressure measurement signal pass through the third instrument cable respectively(29)With described Two instrument cables(28)Access the process controller(23);
Step 4, pipeline is adjusted by the flow measurement(4)The flowmeter of upper installation(9)Flow measurement is carried out to product oil, and By the flowmeter(9)Flow measurement signal pass through the first instrument cable(27)Access the process controller(23);
Step 5, pipeline is adjusted by the flow measurement(4)The flow control valve of upper installation(10)Flow tune is carried out to product oil Section, and the flow control valve(10)Flow-rate adjustment monitoring signal pass through the 4th instrument cable(30)Access the flow Controller(23);
Step 6, pipeline is adjusted by the flow measurement(4)The reflux pipeline of upper setting(18)Product oil after superpressure is carried out Product oil is adjusted pipeline by reflux operation from the flow measurement(4)End flow back into the flow measurement and adjust pipeline(4) Head end;
Step 7, pass through entrucking oil filling riser(22)Product oil is subjected to entrucking operation;
Step 8, pipeline is adjusted by the flow measurement(4)The blow-down pipe of end setting(37)It is vented;
Step 9, the oil spill protector installed by product oil roof(12)Entrucking is operated and carries out spilled oil monitoring, and will be described Oil spill protector(12)Oil spilling protection signal pass through the 5th instrument cable(31)Access the process controller(23);
Step 10, the electrostatic protector installed by the underground near product oil vehicle(13)The entrucking operation of product oil is carried out quiet Electric protection, and by the electrostatic protector(13)Electrostatic protection signal pass through the 6th instrument cable(32)Access the flow control Device processed(23);
Step 11, the process controller(23)Receive the flowmeter(9)Flow measurement signal, the intelligent pressure pick-up Device(8)Pressure measurement signal, the integrative temperature transmitter(7)Temperature measurement signal, the flow control valve(10) Flow-rate adjustment monitoring signal, the oil spill protector(12)Oil spilling protection signal and the electrostatic protector(13)Electrostatic Protection signal, the process controller(23)These signals are handled using built-in microprocessor, and by bus to The SCADA system carries out data transmission.
CN201710104751.1A 2017-02-24 2017-02-24 A kind of flow regulator and flow rate adjusting method for product oil entrucking Active CN106895262B (en)

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Citations (4)

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Publication number Priority date Publication date Assignee Title
US5193594A (en) * 1990-10-22 1993-03-16 Norapp-Jon H. Andresen Arrangement for injecting additives
CN102392935A (en) * 2011-10-27 2012-03-28 中国寰球工程公司 Liquefied natural gas loading system and method
CN203703624U (en) * 2014-03-04 2014-07-09 上海敬邦机电设备有限公司 Measuring pry for truck loading
CN105890687A (en) * 2016-06-27 2016-08-24 河南中托力合化学有限公司 Precision metering device for oil product unloading

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6215797B2 (en) * 1979-10-23 1987-04-09 Tokyo Shibaura Electric Co
IT1289120B1 (en) * 1996-07-04 1998-09-25 Fki Fai Komatsu Ind Spa HYDRAULIC CONTROL CIRCUIT FOR WORKING PARTS, IN PARTICULAR IN EARTH-MOVING MACHINES

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5193594A (en) * 1990-10-22 1993-03-16 Norapp-Jon H. Andresen Arrangement for injecting additives
CN102392935A (en) * 2011-10-27 2012-03-28 中国寰球工程公司 Liquefied natural gas loading system and method
CN203703624U (en) * 2014-03-04 2014-07-09 上海敬邦机电设备有限公司 Measuring pry for truck loading
CN105890687A (en) * 2016-06-27 2016-08-24 河南中托力合化学有限公司 Precision metering device for oil product unloading

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