CN101430553A - Tank group metering management system and its operation method - Google Patents
Tank group metering management system and its operation method Download PDFInfo
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- CN101430553A CN101430553A CNA2007101501341A CN200710150134A CN101430553A CN 101430553 A CN101430553 A CN 101430553A CN A2007101501341 A CNA2007101501341 A CN A2007101501341A CN 200710150134 A CN200710150134 A CN 200710150134A CN 101430553 A CN101430553 A CN 101430553A
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- liquid level
- tank
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- volume
- medial temperature
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Abstract
A tank battery metering management system is characterized in that the system comprises a magnetostrictive liquid level gauge with average temperature, an average thermometer, a modular converter unit, a communication cable, an epigyny supervisor, a printer, an UPS power supply and an oil tank measuring system software; the working method comprises (1) liquid level measurement; (2) volume calculation; (3) temperature measurement; and (4) volume correction; the system has the advantages that various physical parameters of oils in an oil tank can be automatically obtained from a computer; the whole precision of the system can reach 0.08 %; remote monitoring can be realized by networks such as an ADSL, dialing and the like; the system is the digital product, bus type wiring, and has strong network extended capability; the communication interface of the software is transparent and can be connected with other systems and software; the precision of the liquid level and the water level of the oils measured by a liquid level method is high, thus, the measured volume precision and the measured quality precision are high.
Description
(1) technical field:
The invention belongs to a kind of metering management system, particularly a kind of tank group metering management system.
(2) technical background:
For a long time, petroleum industry adopts artificial throwing chi, artificial sample, the artificial metering method of calculating to the metering that is stored in the various oil products in the oil tank always.Adopt artificial method, workload is big, inefficiency, and error appears easily.Along with computer technology rapid development, the 3C broad application, automatic gauge has replaced human metering step by step, formation gradually the tank gauging system on today meaning.
(3) summary of the invention:
The objective of the invention is to design a kind of tank group metering management system, adopt field bus type total digitalization system, just can obtain each physical parameter of institute's oil storage product in the storage tank from the computing machine automatically, realized the automatic control of tank group metering management system.
Technical scheme of the present invention: a kind of tank group metering management system, it is characterized in that it by the band medial temperature magnetostriction liquidometer, medial temperature meter, modular converter unit, telecommunication cable, the upper managing computer that comprises the tank gauging system software, printer and ups power form; The measurement detection system of said each oil tank is to be with the magnetostriction liquidometer of medial temperature to constitute by one, and oil depot is made of tank battery; Said magnetostriction liquidometer is connected on the modular converter of Central Control Room by RS485 long-distance transmissions bus, transmit liquid level, the medial temperature signal data measured, the modular converter unit is connected with industrial control computer as upper managing computer, the upper monitoring supervisor that management software is housed links to each other with printer, and the upper monitoring supervisor is connected on the network by switch.
Each oil tank of above-mentioned said magnetostriction liquidometer is equipped with one, and each oil tank of medial temperature meter is equipped with one.
Above-mentioned said band medial temperature meter magnetostriction liquidometer that can outputting standard Modbus signal for the upper monitoring supervisor provides concrete communications protocol and Modbus address table, carries out communication with the upper monitoring supervisor, and data are delivered in the upper managing computer.
Above-mentioned said modular converter unit is that whole reservoir area is share one, can signal be linked in the computing machine of pulpit, reservoir area by com port, finishes the functions such as printing to the browsing of real-time monitoring, history and the real-time tendency of in-site measurement data, form.
Data in the above-mentioned said upper managing computer can be sent to higher level relevant department by management server, can browse parameters such as real-time liquid level in the monitoring management machine, temperature, density, volume, quality, also can from stock control software, obtain parameters such as liquid level, temperature, density, volume, quality by the serial port of computing machine.
The explosion-proof wiring case is arranged between the modular converter of above-mentioned said Central Control Room and the scene, adopt Shielded Twisted Pair from the communication interface unit of Central Control Room to the telecommunication cable the explosion-proof wiring case.
Above-mentioned said computing machine tank gauging system software can be installed stock control software, also can develop separately according to the actual needs of oil depot.
A kind of method of work of above-mentioned tank group metering management system is characterized in that it comprises following job step:
(1) level gauging: utilize magnetostriction liquidometer to measure oil tank liquid level L accurately;
(2) volume calculated: by liquid level L accurately, look into gage table, can calculate the volume V of product under Current Temperatures
t
(3) temperature survey: obtain medial temperature accurately by the medial temperature meter;
(4) volume correction: V
tBy the medial temperature that records, be converted into the volume V of standard temperature 20 when spending again
20
Superiority of the present invention is: 1, realized partly or entirely need not be artificial for this tank group metering management system, can obtain each physical parameter of institute's oil storage product in the storage tank from the computing machine automatically; 2, adopt field bus type total digitalization system, the entire system precision can reach 0.08%; 3, by realizing remote monitoring on the networks such as ADSL, dialing; 4, digital product, the bus type wiring, extension of network energy ability is strong; 5, the function extended capability is strong, can directly articulate instrument such as computing machine, on-the-spot logging, pressure transducer, jar other indicator gauge, monitoring host computer on bus; 5, the software communication interface is transparent, can connect other system or software; 6, software function Practical Performance height, Quality Design is followed national standard; 7, system height safety, all sensor, the magnetostriction type liquid level gauges of system all adopt anti-lightning strike safeguard measure, can prevent general thunder and lightning, and the impact of induction lightening that can anti-5000A electric current 20ns is more than 1000 times, and field apparatus has the intrinsic safety flame proof; But 8,24 hours every days of system, start operation in annual 365 days.9, the liquid level gauge method is measured the liquid level and the water level precision height of oil product, thereby the volume accuracy of measuring is also high, and the quality precision of measurement is also very high.
(4) description of drawings:
Accompanying drawing 1 is the overall construction drawing of the related a kind of tank group metering management system of the present invention.
(5) specific embodiments:
Embodiment: a kind of tank group metering management system (see figure 1), it is characterized in that it by the band medial temperature magnetostriction liquidometer, medial temperature meter, modular converter unit, telecommunication cable, upper managing computer, printer, ups power and tank gauging system software form; The measurement detection system of said each oil tank is to be with the magnetostriction liquidometer of medial temperature to constitute by one, and oil depot is made of tank battery; Said magnetostriction liquidometer is connected on the modular converter of Central Control Room by RS485 long-distance transmissions bus, transmit liquid level, the medial temperature signal data measured, the modular converter unit is connected with industrial control computer as upper managing computer, carry out communication, gather and handle every data of institute's oil storage product in the storage tank in real time, on the upper monitoring supervisor management software is housed, upper managing computer links to each other with printer, and upper managing computer is connected on the network by switch.
Each oil tank of above-mentioned said magnetostriction liquidometer (see figure 1) is equipped with one, and each oil tank of medial temperature meter (see figure 1) is equipped with one.
Above-mentioned said band medial temperature meter magnetostriction liquidometer (see figure 1) can outputting standard Modbus signal, for upper managing computer provides concrete communications protocol and Modbus address table, carries out communication with upper managing computer, and data are delivered in the upper managing computer.
Above-mentioned said computing machine tank gauging system software (see figure 1) can be installed stock control software, also can develop separately according to the actual needs of oil depot.
Above-mentioned said modular converter unit (see figure 1) is that whole reservoir area is share one, can signal be linked in the computing machine of pulpit, reservoir area by com port, operation stock management software in computing machine is finished the functions such as printing to the browsing of real-time monitoring, history and the real-time tendency of in-site measurement data, form.
Data in the above-mentioned said upper managing computer (see figure 1) can be sent to higher level relevant department by management server, can browse parameters such as real-time liquid level in the monitoring management machine, temperature, density, volume, quality, also can from stock control software, obtain parameters such as liquid level, temperature, density, volume, quality by the serial port of computing machine.
Between the modular converter (see figure 1) of above-mentioned said Central Control Room and the scene explosion-proof wiring case is arranged, adopt Shielded Twisted Pair from the communication interface unit of Central Control Room to the telecommunication cable the explosion-proof wiring case.
A kind of method of work of above-mentioned tank group metering management system (see figure 1) is characterized in that it comprises following job step:
(1) level gauging: utilize magnetostriction liquidometer to measure oil tank liquid level L accurately;
(2) volume calculated: by liquid level L accurately, look into gage table, can calculate the volume V of product under Current Temperatures
t
(3) temperature survey: obtain medial temperature accurately by the medial temperature meter;
(4) volume correction: V
tBy the medial temperature that records, be converted into the volume V of standard temperature 20 when spending again
20
Lectotype selection: magnetostriction liquidometer is selected MTS magnetostriction liquidometer (medial temperature meter) magnetostriction liquidometer performance index for use:
Range: 457mm-22m gamut; Measuring accuracy:＜± 1mm; Working temperature :-40 ℃～105 ℃; Temperature accuracy:＜± 0.28 ℃; Has reliable lightning protection; Has explosion-proof authentication: Exd (ib) IIBT6.
Claims (7)
1, a kind of tank group metering management system, it is characterized in that it by the band medial temperature magnetostriction liquidometer, medial temperature meter, modular converter unit, telecommunication cable, the upper managing computer that comprises the tank gauging system software, printer and ups power form; The measurement detection system of said each oil tank is to be with the magnetostriction liquidometer of medial temperature to constitute by one, and oil depot is made of tank battery; Said magnetostriction liquidometer is connected on the modular converter of Central Control Room by RS485 long-distance transmissions bus, transmit liquid level, the medial temperature signal data measured, the modular converter unit is connected with industrial control computer as upper managing computer, the upper monitoring supervisor that management software is housed links to each other with printer, and the upper monitoring supervisor is connected on the network by switch.
2, according to the said a kind of tank group metering management system of claim 1, it is characterized in that each oil tank of said magnetostriction liquidometer is equipped with one, each oil tank of medial temperature meter is equipped with one.
3, according to the said a kind of tank group metering management system of claim 1, it is characterized in that said band medial temperature meter magnetostriction liquidometer that can outputting standard Modbus signal, for the upper monitoring supervisor provides concrete communications protocol and Modbus address table, carry out communication with the upper monitoring supervisor, data are delivered in the upper managing computer.
4, according to the said a kind of tank group metering management system of claim 1, it is characterized in that said modular converter unit is that whole reservoir area is share one, can signal be linked in the computing machine of pulpit, reservoir area by com port, finish functions such as printing the browsing of real-time monitoring, history and the real-time tendency of in-site measurement data, form.
5, according to the said a kind of tank group metering management system of claim 1, it is characterized in that the data in the said upper managing computer can be sent to higher level relevant department by management server, can browse parameters such as real-time liquid level in the monitoring management machine, temperature, density, volume, quality, also can from stock control software, obtain parameters such as liquid level, temperature, density, volume, quality by the serial port of computing machine.
6, according to the said a kind of tank group metering management system of claim 1, it is characterized in that between the modular converter of said Central Control Room and the scene explosion-proof wiring case being arranged, adopt Shielded Twisted Pair to the telecommunication cable the explosion-proof wiring case from the communication interface unit of Central Control Room.
7, a kind of method of work of above-mentioned tank group metering management system is characterized in that it comprises following job step:
(1) level gauging: utilize magnetostriction liquidometer to measure oil tank liquid level L accurately;
(2) volume calculated: by liquid level L accurately, look into gage table, can calculate the volume V of product under Current Temperatures
t
(3) temperature survey: obtain medial temperature accurately by the medial temperature meter;
(4) volume correction: V
tBy the medial temperature that records, be converted into the volume V of standard temperature 20 when spending again
20
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101501341A CN101430553A (en) | 2007-11-09 | 2007-11-09 | Tank group metering management system and its operation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101501341A CN101430553A (en) | 2007-11-09 | 2007-11-09 | Tank group metering management system and its operation method |
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| CN101430553A true CN101430553A (en) | 2009-05-13 |
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| CNA2007101501341A Pending CN101430553A (en) | 2007-11-09 | 2007-11-09 | Tank group metering management system and its operation method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393721A (en) * | 2011-11-14 | 2012-03-28 | 江苏科技大学 | Large-scale multiple oil-tank liquid level automation measurement integration system |
| CN103034200A (en) * | 2012-12-11 | 2013-04-10 | 南京富岛信息工程有限公司 | On-line computation device utilizing liquid level method for computing storage tank oil gas liquid chemical weight |
| CN103792931A (en) * | 2014-03-06 | 2014-05-14 | 中国电子科技集团公司第三十八研究所 | Oil tank storage volume detecting system based on self-learning method |
-
2007
- 2007-11-09 CN CNA2007101501341A patent/CN101430553A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393721A (en) * | 2011-11-14 | 2012-03-28 | 江苏科技大学 | Large-scale multiple oil-tank liquid level automation measurement integration system |
| CN103034200A (en) * | 2012-12-11 | 2013-04-10 | 南京富岛信息工程有限公司 | On-line computation device utilizing liquid level method for computing storage tank oil gas liquid chemical weight |
| CN103034200B (en) * | 2012-12-11 | 2015-07-01 | 南京富岛信息工程有限公司 | On-line computation device utilizing liquid level method for computing storage tank oil gas liquid chemical weight |
| CN103792931A (en) * | 2014-03-06 | 2014-05-14 | 中国电子科技集团公司第三十八研究所 | Oil tank storage volume detecting system based on self-learning method |
| CN103792931B (en) * | 2014-03-06 | 2017-02-15 | 中国电子科技集团公司第三十八研究所 | Oil tank storage volume detecting system based on self-learning method |
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Open date: 20090513 |