CN2476712Y - Steam drimeter for boiler - Google Patents
Steam drimeter for boiler Download PDFInfo
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- CN2476712Y CN2476712Y CN 01219571 CN01219571U CN2476712Y CN 2476712 Y CN2476712 Y CN 2476712Y CN 01219571 CN01219571 CN 01219571 CN 01219571 U CN01219571 U CN 01219571U CN 2476712 Y CN2476712 Y CN 2476712Y
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Abstract
The utility model discloses a boiler steam dryness controlling instrument; wherein, a main control module is connected with a digital quantity input and output module, a digital quantity output module, a simulated quantity input module and a simulated quantity output module through a data bus. The digital quantity input and output module has 4 routes of DC 24 volts switch quantity inputs and switch quantity outputs. The digital quantity output module has 8 routes of switch quantity outputs. The simulated quantity input module has 8 routes of simulated quantity inputs. The simulated quantity output module has 2 routes of simulated quantity outputs. A thermal resistance and a thermal resistance adjusting mould respectively have one route of input. A touch screen is a man and machine interface. A power supply module converts AC220 volts to DC24 volts. The utility model has high dryness measurement and adjusting accuracy as well as safety and reliability.
Description
The utility model relates to oil exploration equipment, especially a kind of oil field HVDC formula steam boiler mass dryness fraction controller that is used for.
The recoverable reserves of the ordinary crude oils in the petroleum resources reduces year by year, and the viscous crude resource will become the main energy sources of 21 century.Therefore, improving production, transportation and the refining level of viscous crude, reduce cost, is an important topic.Current, HVDC formula uphole steam generator is the key equipment of heavy crude heat extraction technology.In order to guarantee to reduce underground viscosity of thickened oil by hot notes mode, increase the flowability of liquid, being convenient to dissolve the various remaining salinity in the heavy oil, improving the acquisition rate of heavy oil, is the important step that the uphole steam generator operation is produced to the control of the saturated vapor dryness of boiler export.
At present, the mass dryness fraction of the saturated vapor of boiler export is measured and the product of control automatically mainly contains mass dryness fraction controller based on Single-chip Controlling, is controlled to be main mass dryness fraction controller and based on the mass dryness fraction controller of industrial computer with instrument.The certainty of measurement of these products and security reliability are all undesirable.Along with the raising of control technology and control level, be that the control product of master controller is replaced by the higher PLC of performance gradually with single-chip microcomputer, instrument, industrial computer.
The purpose of this utility model is to be master controller with single-chip microcomputer, instrument, industrial computer mainly at present boiler steam dryness controller, the all unfavorable problem of its certainty of measurement and security reliability, a kind of dryness measurement, degree of regulation height are provided, safe and reliable, adopting with PLC is the boiler steam dryness controller that master controller and I/0 module constitute.
Boiler steam dryness controller described in the utility model, comprise main control module (ECHO16RTU/PLC), digital quantity input/output module (E103), digital quantity output module (E104), analog quantity input module (E101), analog output module (E105), thermal resistance conditioning module (E301-1, E301-2), thermocouple conditioning module (E302) and signal isolation module DZ1～DZ7, touch-screen (PWS), power module (PS1 ,-PS2), power-supply filter (LC), lock switch (SB2), power supply indicator (L2), travel switch (SB3) etc.
Main control module (ECHO16 RTU/PLC) links to each other with digital quantity input/output module (E103), digital quantity output module (E104), analog quantity input module (E101), analog output module (E105) by data/address bus.
The boiler steam dryness controller is powered by alternating current 220V, and the 220V AC power is connected to air switch, and the live wire that air switch provides (L) links to each other with cabinet intraoral illumination lamp (L1), cooling fan (FAN1), power switch (SB2) by insurance (FU), zero line (N).Power switch (SB2) links to each other with power supply indicator (L2), power-supply filter (LC).The live wire (L) of power-supply filter (LC) output, zero line (N) and 2 power modules (PS1 ,-PS2) be connected.(PS1) Shu Chu DC24V's power module links to each other with the DC24V of main control module (ECH016 RTU/PLC) and the DC24V of touch-screen.Power module (PS2) provide DC24V+ end except with the 24V+ input of analog quantity input module (E101), analog output module (E105), thermal resistance conditioning module (E301-1, E301-2), thermocouple conditioning module (E302), the DO0+ of digital quantity input/output module (E103) DO1+～DO3+, digital quantity output module (E104)～DO5+ end directly connects, and also links to each other with digital quantity input/output module (E103) DI0+～DI2+ end by switch (SB1).Power module (PS2) provide DC24V-end except with the 24V-of analog quantity input module (E101), the DI0-of digital quantity input/output module (E103)～DI2-end, the 24V-of analog output module (E105), thermal resistance conditioning module (E301-1, E301-2) 24V-, the 24V-of thermocouple conditioning module (E302) directly connects, 10 of external cabling (XT1), 14,16 connect, also by outside relay, electric bell, DO1-～the DO3-of indicator lamp and digital quantity input/output module (E103), DO0-～the DO5-of digital quantity output module (E104) holds connection.(DC24V+ that PS2) provides also directly is connected with the terminal 6 of signal isolation module (DZ1, DZ3, DZ5) power supply.(DZ1～DZ5) terminal 1 links to each other with 3,4,5,6,7 of analog quantity input module (E101) respectively the signal isolation module, and the COM end of terminal 2 and analog quantity input module (E101) links to each other.The terminal 5 of signal isolation module (DZ1, DZ3, DZ4) links to each other with 3 external meters (2WIRE TX)+end by 9,13,15 of external cabling (XT1) respectively, 3 external meters (2WIRE TX)-end links power module (24V-PS2) by 10,14,16 of external cabling (XT1).The terminal 6,5 of signal isolation module DZ2, DZ5 links to each other with 11,12,17,18 of external cabling (XT1) respectively.The terminal 6,5 of signal isolation module DZ6, DZ7 links to each other with AO0+, AO0-, AO1+, the AO0-of analog output module (E105) respectively, and terminal 1,2 links to each other with 19,20,21,22 of external cabling (XT1) respectively.The terminal 3,4,5 of thermal resistance conditioning module (E301-1, E301-2) links to each other with 1～6 of external cabling (XT1) respectively, and 6 terminals link to each other with 3,4 terminals of analog quantity input module (E101) respectively.The terminal 4,5 of thermocouple conditioning module (E302) links to each other with 7,8 of external cabling (XT1) respectively.
The main control module (ECHO16RTU/PLC) that uses in the utility model boiler steam dryness controller, digital quantity input/output module (E103), digital quantity output module (E104), analog quantity input module (E101), analog output module (E105), thermal resistance conditioning module (E301), thermocouple conditioning module (E302) are Beijing Security Control Technology Development Co., Ltd's approved product.The signal isolation module (DZ1～DZ7), touch-screen PWS, power module (PS1 ,-PS2), power-supply filter (LC), lock switch (SB2), power supply indicator (L2), travel switch (SB3) be known technology.
The characteristics of boiler steam dryness controller described in the utility model are:
1. measurement is accurate, display precision is high.
2. response speed is fast, degree of regulation is high.
3. modularized design, be convenient to safeguard.
4. the measurement of system, control assembly and extension instrument or equipment are isolated fully, have avoided extraneous interference.
5. systemic-function is complete, has friendly man-machine interface, installation, use, easy to maintenance simple.
6. when system conversion measuring instrument, instrument range change, must not change program, as long as reset instrument range from host computer.
7. adopt the hardware component and the software design approach of technical grade, security of system is reliable.
With existing be that the boiler steam dryness controller of master controller is compared with single-chip microcomputer, instrument, industrial computer, boiler steam dryness controller described in the utility model constitutes with PLC master controller and I/O module, its dryness measurement, degree of regulation height, safe and reliable.
Fig. 1 is the schematic diagram of the utility model boiler steam dryness controller;
Fig. 2 a, Fig. 2 b are the circuit theory diagrams of the utility model boiler steam dryness controller.
The utility model is described in further detail below in conjunction with accompanying drawing:
Shown in Fig. 1, Fig. 2 a, Fig. 2 b, main control module (ECHO16 RTU/PLC) links to each other with input/output module (E103) by bus, and the field data that the input collection is next, handle by master controller, make corresponding output, output signal is delivered to output the equipment at scene is controlled.Power supply is the power module (DC24V that PS1) provides.
Digital quantity input/output module (E103): 4 road DC24V switching values input.The wherein main detection alarm noise reduction of DI0～DI2, boiler shutdown, three kinds of signals of frequency conversion start and stop; The output of 4 way switch amounts, contact voltage is DC24V.Wherein, DO1～DO3 finishes the control of frequency converter frequency given way, the control of warning electric bell, the control of mass dryness fraction upper limit alarm indicator lamp.
Digital quantity output module (E104): the output of 8 way switch amounts, contact voltage is DC24V.Wherein, DO0～DO5 finishes the control of mass dryness fraction lower limit alarm lamp, temperature alarm indicator lamp, the low alarm lamp of discharge, running LED, auto state indicator lamp, alarm lamp respectively.
Analog quantity input module (E101): the input of 8 tunnel analog quantitys, signal type is 4～20mA, power supply is the power module (DC24V that PS2) provides.Finish the measurement that boiler export advances width of cloth temperature, neutral temperature, fire box temperature, steam pressure, flow of inlet water, water inlet electrical conductivity, stove water conductivity, frequency converter operating frequency.
Analog output module (E105): the output of 2 tunnel analog quantitys, signal type is 4～20mA, power supply is the power module (DC24V that PS2) provides.The given frequency of the analog signal control frequency converter of the exportable 4～20mA of module and boiler fire amount size.
Thermal resistance conditioning module (E301): 1 tunnel input, power supply is the power module (DC24V that PS2) provides.With the signal that signal condition that width of cloth temperature, neutral temperature thermal resistance sensor transmit becomes 4～20mA of standard that advances at scene, and send this signal to analog quantity input module (E101), finish the measurement of temperature signal.
Thermocouple conditioning module (E302): 1 tunnel input, 0～1000 ℃ of corresponding simulating amount signal is 4～20mA, power supply is the power module (DC24V that PS2) provides.The signal condition that the neutral temperature sensor at scene is transmitted becomes the signal of 4～20mA of standard, and sends this signal to analog input module (E101), finishes the measurement of temperature signal.
The signal isolation module (DZ1～DZ7): this module is the isolation of 4～20mA input signal by 2000V in the charged source of standard, exports 4～20mA signal pro rata, this module is shared 7.Shown in Fig. 1-a, Fig. 1-b, DZ1, DZ3, DZ4 are output as 4～20mA with signals such as the pressure of on-the-spot two-wire system, instrument electrical conductivity pro rata after isolating, and module for power supply is the power module (DC24V that PS2) provides.DZ2, DZ5 principle are the same, but the DC24V that power supply provides for the outside.DZ6, DZ7 output to outside executing agency pro rata with 4～20mA signal of analog output module (E105) output---frequency converter and electropneumatic transducer.
Touch-screen (PWS): man-machine interface, finish data exchanging function by the COM2 mouth of self and the COM2 port communications of main control module (ECHO16RTU/PLC), electrical specification of interface is the RS232 mode.Power module (the DC24V that PS2) provides is provided in power supply.Touch-screen can be finished data in real time and show, reports to the police, and real-time tendency, historical trend are surveyed and look at, the parameter setting, and functions such as manual switching, its man-machine interface close friend, powerful.
Power module (PS1 ,-PS2): power module (PS1) is converted to the AC220V power supply dc source of DC24V, 1A, powers for main control module (ECHO16 RTU/PLC) and touch-screen (PWS); Power module (PS2) is converted to the AC220V power supply dc source of DC24V, 3A, gives the power supply of I/O module and part field instrument.
Power-supply filter (LC): the higher hamonic wave of power supply is filtered, improves the quality of power supply, give power module (PS1 ,-PS2) power supply.
Lock switch (SB2): the power supply of break-make steam quality controller.
Power supply indicator (L2): after the steam quality controller powered on, this indicator lamp was bright.
Travel switch (SB3): when back gate was opened, cabinet intraoral illumination lamp (L1) was bright, and cooling fan stops; When back gate was shut, cabinet intraoral illumination lamp (L1) went out, and cooling fan rises.
The boiler steam dryness controller advances width of cloth temperature, neutral temperature, fire box temperature, water inlet fluence, steam pressure, water inlet electrical conductivity, stove water conductivity by what analog quantity input module (E101) was measured injection boiler, utilize heat balance method of to measure the steam quality value, compare with given mass dryness fraction value then, utilize the PID controller of main control module (ECHO16 RTU/PLC) to regulate inflow or fire amount, reach the purpose of steam regulation mass dryness fraction value.
Under auto state, two kinds of mass dryness fraction control modes are arranged:
1. regulate confluent by regulating frequency converter, thus the mass dryness fraction value of control outlet wet saturated steam.When the water yield was regulated, the fire amount was fixing, adopted PID controller tandem mode to control the mass dryness fraction value.Utilize fuzzy controller that the mass dryness fraction value is regulated, utilize the PID controller that the water yield is carried out interior ring control.
2. regulate the fire amount by electropneumatic transducer, thus the mass dryness fraction value of control outlet wet saturated steam.When the fire amount was regulated, the water yield was fixed, and employing PID controller output signal is regulated the control air door to electropneumatic transducer, and the pneumatic control valve of baffle plate, thereby control fire amount reach and regulate the worth purpose of mass dryness fraction.
Pass between two kinds of regulative modes is: whenever only have a kind of control mode, when the water yield is given to maximum, and the mass dryness fraction value is fixed on maximum with the water yield still can not rise to set-point the time, begin to regulate the fire amount, set on the mass dryness fraction until reaching and being stabilized in; When the fire amount is given to maximum, and the mass dryness fraction value is fixed on maximum with the fire amount still can not rise to set-point the time, and the beginning regulating pondage is set on the mass dryness fraction until reaching and being stabilized in.
Claims (1)
1. a boiler steam dryness controller is characterized in that: comprise main control module (ECH016RTU/PLC), digital quantity input/output module (E103), digital quantity output module (E104), analog quantity input module (E101), analog output module (E105), thermal resistance conditioning module (E301-1, E301-2), thermocouple conditioning module (E302) and signal isolation module (DZ1～DZ7), touch-screen (PWS), power module (PS1), (-PS2), power-supply filter (LC1), lock switch (SB2), power supply indicator (L2), travel switch (SB3);
Main control module (ECHO16 RTU/PLC) links to each other with digital quantity input/output module (E103), digital quantity output module (E104), analog quantity input module (E101), analog output module (E105) by data/address bus;
The 220V AC power is connected to air switch, and the live wire that air switch provides (L) links to each other with cabinet intraoral illumination lamp (L1), cooling fan (FAN1), power switch (SB2) by insurance (FU), zero line (N); Power switch (SB2) links to each other with power supply indicator (L2), power-supply filter (LC); The live wire (L) of power-supply filter (LC) output, zero line (N) and 2 power modules (PS1 ,-PS2) be connected; (PS1) Shu Chu DC24V's power module links to each other with the DC24V of main control module (ECHO16RTU/PLC) and the DC24V of touch-screen; Power module (PS2) provide DC24V+ end except with the 24V+ input of analog quantity input module (E101), analog output module (E105), thermal resistance conditioning module (E301-1, E301-2), thermocouple conditioning module (E302), the DO0+ of digital quantity input/output module (E103) DO1+～DO3+, digital quantity output module (E104)～DO5+ end directly connects, and also links to each other with digital quantity input/output module (E103) DIO+～DI2+ end by switch (SB1); Power module (PS2) provide DC24V-end except with the 24V-of analog quantity input module (E101), the DI0-of digital quantity input/output module (E103)～DI2 end, the 24V-of analog output module (E105), thermal resistance conditioning module (E301-1, E301-2) 24V-, the 24V-of thermocouple conditioning module (E302) directly connects, 10 of external cabling (XT1), 14,16 connect, also by outside relay, electric bell, DO1-～the DO3-of indicator lamp and digital quantity input/output module (E103), DO0-～the DO5 of digital quantity output module (E104) holds connection; (DC24V+ that PS2) provides also directly is connected with the terminal 6 of signal isolation module (DZ1, DZ3, DZ5) power supply; (DZ1～DZ5) terminal 1 links to each other with 3,4,5,6,7 of analog quantity input module (E101) respectively the signal isolation module, and the COM end of terminal 2 and analog quantity input module (E101) links to each other; The terminal 5 of signal isolation module (DZ1, DZ3, DZ4) links to each other with 3 external meters (2WIRETX)+end by 9,13,15 of external cabling (XT1) respectively, and the end of 3 external meters (2WIRE TX) is linked power module (24V-PS2) by 10,14,16 of external cabling (XT1); The terminal 6,5 of signal isolation module DZ2, DZ5 links to each other with 11,12,17,18 of external cabling (XT1) respectively; The terminal 6,5 of signal isolation module DZ6, DZ7 links to each other with AO0+, AO0-, AO1+, the AO0-of analog output module (E105) respectively, and terminal 1,2 links to each other with 19,20,21,22 of external cabling (XT1) respectively; The terminal 3,4,5 of thermal resistance conditioning module (E301-1, E301-2) links to each other with 1～6 of external cabling (XT1) respectively, and 6 terminals link to each other with 3,4 terminals of analog quantity input module (E101) respectively; The terminal 4,5 of thermocouple conditioning module (E302) links to each other with 7,8 of external cabling (XT1) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01219571 CN2476712Y (en) | 2001-04-17 | 2001-04-17 | Steam drimeter for boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01219571 CN2476712Y (en) | 2001-04-17 | 2001-04-17 | Steam drimeter for boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2476712Y true CN2476712Y (en) | 2002-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01219571 Expired - Lifetime CN2476712Y (en) | 2001-04-17 | 2001-04-17 | Steam drimeter for boiler |
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| Country | Link |
|---|---|
| CN (1) | CN2476712Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798113A (en) * | 2011-05-25 | 2012-11-28 | 株式会社神户制钢所 | Steam manufacturing device and operation method thereof |
| CN104503358A (en) * | 2014-12-30 | 2015-04-08 | 天津森罗科技股份有限公司 | Dry burning preventing control device of fruit and vegetable ripening ethylene generator |
| CN110206675A (en) * | 2019-07-22 | 2019-09-06 | 贵州电网有限责任公司 | A kind of hydraulic turbine power mode static test simulating and testing instrument and application method |
-
2001
- 2001-04-17 CN CN 01219571 patent/CN2476712Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798113A (en) * | 2011-05-25 | 2012-11-28 | 株式会社神户制钢所 | Steam manufacturing device and operation method thereof |
| CN104503358A (en) * | 2014-12-30 | 2015-04-08 | 天津森罗科技股份有限公司 | Dry burning preventing control device of fruit and vegetable ripening ethylene generator |
| CN110206675A (en) * | 2019-07-22 | 2019-09-06 | 贵州电网有限责任公司 | A kind of hydraulic turbine power mode static test simulating and testing instrument and application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING ECHO TECHNOLOGY CO., LTD. Free format text: FORMER NAME OR ADDRESS: BEIJING SECURITY CONTROL TECHNOLOGY DEVELOPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Beijing, Haidian District on the four street, No. five, third floor, Zhang Guitai turn, zip code: 100085 Patentee after: Beijing Ankong Technology Co., Ltd. Address before: Beijing, Haidian District on the four street, No. five, third floor, Zhang Guitai turn, zip code: 100085 Patentee before: Beijing Ankong Science and Technology Development Co., Ltd. |
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| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20110417 Granted publication date: 20020213 |