CN201059183Y - Oil field fire coal steam-injection boiler control apparatus - Google Patents
Oil field fire coal steam-injection boiler control apparatus Download PDFInfo
- Publication number
- CN201059183Y CN201059183Y CNU2007200129855U CN200720012985U CN201059183Y CN 201059183 Y CN201059183 Y CN 201059183Y CN U2007200129855 U CNU2007200129855 U CN U2007200129855U CN 200720012985 U CN200720012985 U CN 200720012985U CN 201059183 Y CN201059183 Y CN 201059183Y
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- China
- Prior art keywords
- injection boiler
- boiler
- oil field
- steam
- control device
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- Expired - Fee Related
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Abstract
The utility model relates to an automatic program control device, in particular to a control device of an oilfield coal steam injection boiler, which comprises a display, a host computer, a PLC programmable controller, wherein, one end of the programmable controller is connected with a wireless data transmission module and a data receiver through circuits, while the other end of the programmable controller is connected with a transducer, a pressure transmitter, a flow meter, a flow switch and a temperature sensor. The host computer is also connected with a printer and an alarming sound box through conductors. The device improves the automatic program of the coal steam injection boiler, has the automatic protecting functions for power-off and water shortage, has the characteristic of strong control capability of load charge, can prevent the occurrence of tube explosion, can increase the operation efficiency, and can reduce the labor intensity of workers.
Description
Technical field:
The utility model relates to a kind of automated procedures control device, especially a kind of oil field Steam-injection Boiler Burning Pulverized Coal Control device.
Background technology:
Fuel oil steam injection boiler is since the sixties in last century are born, and automaticity improves constantly, and has formed fairly perfect control system so far.And Steam-injection Boiler Burning Pulverized Coal is made the cost of winning that fuel more can reduce viscous crude significantly with coal replacement fuel oil, because great changes have all taken place for fuel structure and characteristic and ancillary facility aspect, particularly prior art intermediate fuel oil injection boiler control system has not satisfied the instructions for use of Steam-injection Boiler Burning Pulverized Coal at present.
The utility model content:
The purpose of this utility model is in order to overcome above-mentioned shortcoming, and a kind of oil field Steam-injection Boiler Burning Pulverized Coal Control device that provides, can satisfy Steam-injection Boiler Burning Pulverized Coal Control and boiler detect, control, warning, the parameter needs in showing, also can improve operational efficiency, reduce labor intensity.
The technical scheme that the utility model adopted is:
The task its implementation that is proposed for achieving the above object is that it is made up of display, main frame, programmable logic controller; One end of described programmable logic controller is connected with wireless data transmission module, data sink by circuit, and the other end is connected with frequency converter, pressure transmitter, flow meter, flow switch, temperature pick up.
Described main frame also connects printer, warning audio amplifier by lead.
Frequency converter is connecting boiler blower, air-introduced machine, boiler feed pump, decked coal-feeding machine, fire grate motor respectively by lead.
Working method of the present utility model is:
During work, the PLC programmable logic controller is the control core, the boiler automatic control system operational factor is handled, be sent in the PLC control system by the data of measure field by pressure transmitter, flow meter, flow switch, temperature pick up, by programmable logic controller data are gathered, passed to display by the PLC control system again carry out data and show after analog-to-digital conversion then, handle according to programmed values at last, when if parameter exceeds default alarm limit, send alarm signal by the warning audio amplifier.
Frequency converter is used for controlling boiler blower, air-introduced machine, boiler feed pump, decked coal-feeding machine and fire grate motor.Again instruction is passed to frequency converter by frequency conversion adjustment and the above-mentioned signal in control back after by the input of the numeral in display D/A switch and come the conditioning equipment operational factor, satisfy the boiler operatiopn needs.
The utility model compared with prior art has remarkable result:
This device has adopted the boiler controlling device of being made up of PLC programmable controller and frequency converter, data sink, wireless data transmission module, display; the automated procedures of Steam-injection Boiler Burning Pulverized Coal have been improved; and perfect automatic safeguard measure under the device powers down lack of water; this device is strong to the load variations control ability; can stop to occur pipe explosion accident, improve boiler operating efficiency and reduce labor strength.
Description of drawings:
Accompanying drawing is a structure block diagram of the present utility model.
Among the figure by display 1,, 2, main frame, 3, printer, 4, the warning audio amplifier, 5, PLC programmable logic controller, 6, GPRSDTV data sink, 7, the GPRSCDMA wireless data transmission module, 8, frequency converter, 9, pressure transmitter, 10, flow meter, 11, flow switch, 12, temperature pick up forms.
The specific embodiment:
The utility model is provided by following examples, is illustrated below in conjunction with accompanying drawing:
This device is made up of display 1, main frame 2, PLC programmable logic controller 5; One end of programmable logic controller 5 is connected with wireless data transmission module 7, data sink 6 by circuit, and the other end is connected with frequency converter 8, pressure transmitter 9, flow meter 10, flow switch 11, temperature pick up 12.Described main frame also connects printer 3, warning audio amplifier 4 by lead.
Described frequency converter 8 is connecting boiler blower, air-introduced machine, boiler feed pump, decked coal-feeding machine, fire grate motor (figure does not draw) respectively by lead.
PLC programmable logic controller 5 can constitute management and running field instrument control system for the control core, realizes Automatic Control of Boiler.
Pressure transmitter 9, flow meter 10, flow switch 11, temperature pick up 12 are sent to the PLC control system by the data of measure field with data, pass to touch control display 1 by mould/number conversion by the PLC control system and carry out data and show.Handle according to programmed values, when parameter exceeds default alarm limit, report to the police by warning audio amplifier 4.
Effective combination of the electric elements of this device, control program, can realize following function:
1. measuring ability: the various analog signalses of boiler and switching value signal are patrolled and examined and show by PLC, and carry out the fault judgement and the anti-interference protection of various signals automatically.
2. control function: the control and regulation mode that can form various complexity.Can carry out comprehensive Comprehensive Control to common parts such as regulating loop such as the water level of many boilers, air blast, air inducing, coal supply, desuperheating water and water treatment, water deoxygenation, pressure and temperature reducings, and select optimal parameter to automatically adjust.
3. Presentation Function: real time data demonstration, the inquiry of historical data, technological process, overload alarm, bar graph etc.
4. data processing function: can carry out complicated arithmetical operation, data are deposited automatically, and can be at any time report and daily paper with timing automatic printings class.
5. warning function: major parameters such as steam water-level, steam pressure, combustion chamber draft, feed pressure, superheat steam temperature are sent sound and optic signal as required, carry out automatic record.
6. forceful electric power reserve function: motor opens/stops interlock and system check arranged and the keying mistake protection.Native system is furnished with forceful electric power reserve cabinet, important parameter indicating meters such as water level, vapour pressure, furnace temperature, steam flow, combustion chamber draft are housed, the automatic unperturbed change-over switch of each loop hand, load-current meter, motor start stop operation button and the various indicator lamp of main motor, safety alarm device etc.
Claims (2)
1. an oil field Steam-injection Boiler Burning Pulverized Coal Control device is made up of display (1), main frame (2), PLC programmable logic controller (5); It is characterized in that: an end of programmable logic controller (5) is connected with wireless data transmission module (7), data sink (6) by circuit, and the other end is connected with frequency converter (8), pressure transmitter (9), flow meter (10), flow switch (11), temperature pick up (12); Described main frame also connects printer (3), warning audio amplifier (4) by lead.
2. a kind of oil field according to claim 1 Steam-injection Boiler Burning Pulverized Coal Control device, it is characterized in that: described frequency converter (8) is connecting boiler blower, air-introduced machine, boiler feed pump, decked coal-feeding machine, fire grate motor respectively by lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200129855U CN201059183Y (en) | 2007-06-29 | 2007-06-29 | Oil field fire coal steam-injection boiler control apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200129855U CN201059183Y (en) | 2007-06-29 | 2007-06-29 | Oil field fire coal steam-injection boiler control apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201059183Y true CN201059183Y (en) | 2008-05-14 |
Family
ID=39407652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200129855U Expired - Fee Related CN201059183Y (en) | 2007-06-29 | 2007-06-29 | Oil field fire coal steam-injection boiler control apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201059183Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494324A (en) * | 2011-12-28 | 2012-06-13 | 北京四方继保自动化股份有限公司 | Main protection control system for boiler in heat-engine plant |
| CN108317500A (en) * | 2017-12-21 | 2018-07-24 | 武汉都市环保工程技术股份有限公司 | Shut down the system and method for not blowing out in low-heat value gas power plant |
| CN112178618A (en) * | 2019-07-02 | 2021-01-05 | 中国石油天然气股份有限公司 | Steam injection boiler fault alarm method, device and system |
-
2007
- 2007-06-29 CN CNU2007200129855U patent/CN201059183Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494324A (en) * | 2011-12-28 | 2012-06-13 | 北京四方继保自动化股份有限公司 | Main protection control system for boiler in heat-engine plant |
| CN102494324B (en) * | 2011-12-28 | 2015-04-22 | 北京四方继保自动化股份有限公司 | Main protection control system for boiler in heat-engine plant |
| CN108317500A (en) * | 2017-12-21 | 2018-07-24 | 武汉都市环保工程技术股份有限公司 | Shut down the system and method for not blowing out in low-heat value gas power plant |
| CN112178618A (en) * | 2019-07-02 | 2021-01-05 | 中国石油天然气股份有限公司 | Steam injection boiler fault alarm method, device and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080514 Termination date: 20100629 |