CN2506888Y - Boiler blowing fan and grate controller - Google Patents
Boiler blowing fan and grate controller Download PDFInfo
- Publication number
- CN2506888Y CN2506888Y CN 01247060 CN01247060U CN2506888Y CN 2506888 Y CN2506888 Y CN 2506888Y CN 01247060 CN01247060 CN 01247060 CN 01247060 U CN01247060 U CN 01247060U CN 2506888 Y CN2506888 Y CN 2506888Y
- Authority
- CN
- China
- Prior art keywords
- boiler
- variable
- fire grate
- frequency governor
- frequency
- 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.)
- Expired - Fee Related
Links
Landscapes
- Regulation And Control Of Combustion (AREA)
Abstract
The utility model relates to a controlling device used for an industrial boiler. For the utility model, a frequency-changing governor is in parallel with a fan, a motor of an air ventilator and a grid driving motor of a prior boiler, and a speed-adjustment to the boiler fan and grid motor can be realized though the frequency changing way. In a controlling device of the utility model, a lower position of a main sectioning switch can be in series with an upper position of a sectioning switch of an upper position of the fan, the air ventilator and the grid driving motor to divide a main controlling wire into a converting switch with two groups or three groups controlling wires.
Description
Technical field
The utility model relates to the control device of air blast, air-introduced machine and the moving grate of a kind of control device of Industrial Boiler, particularly chain grate boiler.
Background technology
The blower fan of existing Industrial Boiler and fire grate always are in the method for operation that constant speed is rotated.But in boiler operatiopn, its duty but is not always to be in the design work state.At the boiler catching fire and burning condition is not good or when changing, regular meeting produces the burning abnormality, and easily cause flue dust exceed standard discharging, the phenomenon such as insufficient of burning, can produce the problem that the thermal efficiency is low, boiler output is not enough simultaneously.When these situations of generation, need the stoker personnel that the thickness and the forced-and-induced draft fan parameter in stove internal combustion coal seam are mated adjustment, but realize relatively difficulty of this adjustment in the prior art.
Summary of the invention
The utility model is by existing Industrial Boiler is transformed, so that the air blast of boiler, id-motor and fire grate drive motors can speed governing, so that the parameter of the thickness of stoker's personnel adjustment burning coal layer and coupling air blast and air-introduced machine.The utility model further purpose is by a kind of control device is provided, can make boiler still keep the working method of prior art, also available mode manually realizes the adjustment to boiler blower, air-introduced machine and fire grate drive motors rotating speed, also can directly monitor boiler operating parameter with computer, and boiler fan and fire grate rotating speed are adjusted according to relevant parameter by computer, make boiler operatiopn in optimum Working.
The utility model is between the motor of air blast, air-introduced machine of the downstream of section breaker in the control device of existing boiler and boiler and fire grate drive motors and is connected to variable-frequency governor, realizes the speed governing of boiler fan and fire grate by the frequency conversion mode.
In the control device of the present utility model, can be connected in series the change-over switch that main control loop can be divided into two stations of two component control loops between the upstream of its main section breaker downstream and the section breaker of the upstream of air blast, air-introduced machine and fire grate drive motors.Wherein: the first component control loop cuts off variable-frequency governor and motor, and second group of control loop incorporated variable-frequency governor in the motor circuit into.
Perhaps in second group of control loop in above-mentioned control device, frequency setting mouth at variable-frequency governor is provided with change-over switch, this change-over switch places manual input position with the frequency setting mouth of variable-frequency governor when primary importance, the frequency setting mouth with variable-frequency governor when the second place is communicated with the control output end of computer.On the other hand, be provided with temperature sensor in the outlet pipe of boiler and boiler furnace, the input of described each temperature sensor and A/D converter is coupled, and the output and the input end and computer of A/D converter are coupled.
The utility model also can be to be connected in series the change-over switch that main control loop can be divided into three stations of three component control loops between the upstream of the downstream of main section breaker and the section breaker of the upstream of air blast, air-introduced machine and fire grate drive motors.Wherein: the first component control loop cuts off variable-frequency governor and motor; And second group of control loop incorporated variable-frequency governor in the motor circuit into, and the frequency setting mouth of variable-frequency governor is placed manual input position; The 3rd component control loop is incorporated variable-frequency governor in the motor circuit into, and with the frequency setting mouth and the computer control output UNICOM of variable-frequency governor.Certainly, also should be provided with temperature sensor in the outlet pipe of boiler and boiler furnace, the input of described each temperature sensor and A/D converter is coupled, and the output and the input end and computer of A/D converter are coupled.
Therefore the utility model can convenient stoker personnel adjust coupling to rotation speed of fan, fire grate movement velocity owing to be equipped with variable-frequency governor on blower fan, fire grate drive motors, improves boiler output.
In the utility model when the frequency setting mouth of variable-frequency governor links to each other with the computer control output, available computers is controlled automatically to each parameter in the boiler operatiopn, realizes the boiler optimized running, makes boiler be in optimum Working all the time, improve boiler efficiency, energy savings.
In the utility model, main control loop is divided into two or three branch control loops with change-over switch, adopt this form that prior art is transformed, can make the utility model can be by manually boiler fan, fire grate being controlled as prior art, also can control variable-frequency governor by operating personnel, so that the stoker personnel control boiler fan and fire grate, can also directly use a computer the operation of boiler is controlled, stoker's personnel operation that so just can adapt to the different technologies level is used.
Description of drawings
Fig. 1 is the schematic diagram of a most preferred embodiment of the present utility model.
Fig. 2 is a schematic diagram main in the utility model most preferred embodiment, Fen Kong Zhi Hui road.
Fig. 3 is the electric control theory schematic diagram of the utility model most preferred embodiment.
The specific embodiment
The utility model explains orally below in conjunction with drawings and Examples.
1 is computer among Fig. 1, and 2 is switch board, and 3 is the boiler grate drive motors, and 4 is blower motor, and 5 is id-motor, the 6th, and boiler furnace, 7 is flue, 8 is boiler discharging tube.In burner hearth 6 and outlet pipe 8, be respectively equipped with temperature sensor, and will be located at the input and the switch board 2 of temperature signal feed-in computer 1 behind the A/D converter (not shown) that the temperature sensors in outlet pipe 8 and the burner hearth 6 produce with feeder line 9 and 10 and 11 and 12, the output of computer is coupled with the frequency setting mouth of the variable-frequency governor in feeder line 13,14,15 and the switch board.The interlock circuit of switch board 2 inside is controlled its corresponding output, makes variable-frequency governor and fire grate drive motors 3, blower motor 4 and id-motor 5 even loads in it and connects or be cut off.
See Fig. 2, with change-over switch 16 main control circuit is divided into three sub-control circuits in the utility model, promptly connect three groups of control circuits between contact ab, cd and ef respectively.Wherein:
When the ab contact of change-over switch 16 is switched on, at this moment the control mode of whole device is the same with prior art, is with manually realizing the startup of fire grate drive motors 3, air blast 4 and air-introduced machine 5 even loads by the operation to switch 17,18,19 and 20 and closing down;
When the cd contact of change-over switch 16 is switched on, at this moment can be by the operation of operating personnel to switch 21,25,26 and 27, and by adjuster 22,23 and 24 manual given frequency conversion parameters, variable-frequency governor 33,34 and 35 is inserted in the loads 3,4 and 5, and realize the operation of load 3,4 and 5 and close down by the manual rotating speed of setting;
When the ef contact of change-over switch 16 is switched on, at this moment operating personnel need switch 32 closures, computer 1 is devoted oneself to work, and produce corresponding output signal according to the variation of relevant parameter in the stove, gauge tap 29,30 and 31 closed or open, variable-frequency governor 34,35 and 36 is inserted in the load, determine simultaneously load 3,4 and 5 to be moved best loaded work piece parameter in the running status of the best.
Each switch in Fig. 2 can be a regular tap, also can be the contactor by relay control, or other non-contact switch.
Among Fig. 3, be serially connected with change-over switch 16, and control circuit be divided into three groups by change-over switch 16 in the downstream of main section breaker 36.Wherein: first control circuit is controlled set thereafter relay J 7, J8 and J9 work respectively by hand switch K7, K8 and K9, and by relay J 7, J8 and J9 control fire grate drive motors, blower motor and the operation of id-motor even load; Second control circuit is by hand switch K51, K52 and K53, manual normally closed switch K41, K42 and K43, constitute by contact switch K61, the K62 of relay J 4, J5 and J6 control and K63 and peripheral circuit, when hand switch K5 closure, can make relay J 4, J5 and J6 charged, and make contact K6 closure, corresponding load and control loop are devoted oneself to work, and when touching normally closed switch K4, can make relay J 4, J5 and J6 power down, and cause by the corresponding load of its control and controlled device outage and quit work.The 3rd control circuit and second control circuit are basic identical in Fig. 3, but relay J 1, J2 and J3 in the 3rd control circuit are not direct control loads, but work in control computer and other the gauge tap feeding device.
It should be noted that the duty indication mechanism of in Fig. 3, having omitted whole device and by the A/D change-over circuit of boiler FD feed.
Claims (4)
1, the control device of boiler fan, fire grate, comprise: main section breaker, be located at the section breaker between main section breaker downstream and air blast, air-introduced machine and fire grate drive motors upstream, be connected to the downstream of air blast, air-introduced machine and fire grate drive motors and the work condition indicator between air blast, air-introduced machine and fire grate drive motors, it is characterized in that between the motor of air blast, air-introduced machine and fire grate drive motors and be connected to variable-frequency governor at section breaker downstream and boiler.
2, according to the blower fan of the described boiler of claim 1, the control device of fire grate, it is characterized in that between the upstream of main section breaker downstream and the section breaker of the upstream of air blast, air-introduced machine and fire grate drive motors, being connected in series the change-over switch that main control loop can be divided into two stations of two component control loops, wherein the first component control loop cuts off variable-frequency governor and motor, and second group of control loop incorporated variable-frequency governor in the motor circuit into.
3, boiler fan according to claim 2, the control device of fire grate, it is characterized in that in second group of control loop, frequency setting mouth at variable-frequency governor is associated with change-over switch, this change-over switch places manual input position with the frequency setting mouth of variable-frequency governor when primary importance, frequency setting mouth with variable-frequency governor when the second place is communicated with the computer control output, in boiler discharging tube and boiler furnace, be provided with temperature sensor, the input of described each temperature sensor and A/D converter is coupled, and the output and the input end and computer of A/D converter are coupled.
4, the blower fan of boiler according to claim 1, the control device of fire grate, it is characterized in that at main section breaker downstream and air blast, serial connection can be divided into main control loop the change-over switch of three component control loops between the upstream of the section breaker of the upstream of air-introduced machine and fire grate drive motors, wherein: the first component control loop cuts off variable-frequency governor and motor, and second group of control loop incorporated variable-frequency governor in the motor circuit into, and the frequency setting mouth of variable-frequency governor placed manual input position, the 3rd component control loop is incorporated variable-frequency governor in the motor circuit into, and with the frequency setting mouth and the computer control output UNICOM of variable-frequency governor, in boiler discharging tube and boiler furnace, be provided with temperature sensor, the input of described each temperature sensor and A/D converter is coupled, and the output and the input end and computer of A/D converter are coupled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01247060 CN2506888Y (en) | 2001-09-14 | 2001-09-14 | Boiler blowing fan and grate controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01247060 CN2506888Y (en) | 2001-09-14 | 2001-09-14 | Boiler blowing fan and grate controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2506888Y true CN2506888Y (en) | 2002-08-21 |
Family
ID=33657968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01247060 Expired - Fee Related CN2506888Y (en) | 2001-09-14 | 2001-09-14 | Boiler blowing fan and grate controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2506888Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031392A (en) * | 2010-10-23 | 2011-04-27 | 郴州市国大有色金属冶炼有限公司 | Control device of lead-smelting blast furnace fan capable of reducing and making sulphonium in one step |
| CN103047677A (en) * | 2012-12-26 | 2013-04-17 | 淮安万邦香料工业有限公司 | Combustion gang control method for boiler |
| CN104019675A (en) * | 2014-06-25 | 2014-09-03 | 镇江新晔网络科技有限公司 | Temperature control system for smelter |
| CN106196616A (en) * | 2016-06-29 | 2016-12-07 | 无锡锡能锅炉有限公司 | A kind of boiler plant automatically controlled |
-
2001
- 2001-09-14 CN CN 01247060 patent/CN2506888Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031392A (en) * | 2010-10-23 | 2011-04-27 | 郴州市国大有色金属冶炼有限公司 | Control device of lead-smelting blast furnace fan capable of reducing and making sulphonium in one step |
| CN103047677A (en) * | 2012-12-26 | 2013-04-17 | 淮安万邦香料工业有限公司 | Combustion gang control method for boiler |
| CN103047677B (en) * | 2012-12-26 | 2015-04-22 | 淮安万邦香料工业有限公司 | Combustion gang control method for boiler |
| CN104019675A (en) * | 2014-06-25 | 2014-09-03 | 镇江新晔网络科技有限公司 | Temperature control system for smelter |
| CN106196616A (en) * | 2016-06-29 | 2016-12-07 | 无锡锡能锅炉有限公司 | A kind of boiler plant automatically controlled |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101680365A (en) | Gas turbine generating system and progress control method thereof | |
| CN201748468U (en) | Flue gas oxygen content control system of gas boiler | |
| CN2506888Y (en) | Boiler blowing fan and grate controller | |
| CN202902291U (en) | Device and system for controlling three-driving inverse push type incinerator grate and feeding device | |
| CN112680563A (en) | High-efficiency preheating system for metallization furnace material and dynamic control method | |
| CN202766420U (en) | Automatic control system for gas-burning lime shaft kiln production process | |
| CN202599129U (en) | Kiln head waste gas recycling device for cement production | |
| CN203375464U (en) | Linkage type air induction device in thermal power plant desulfurization smoke system | |
| CN201715540U (en) | Intelligent rotary type air preheater rotor variable speed running system | |
| CN102023595A (en) | Automatic control and energy-saving system of boiler | |
| CN201909989U (en) | Automatically-controlled energy-saving system of boiler | |
| CN201443779U (en) | Automatic energy-saving control system for boiler | |
| CN212204526U (en) | Gas flow rate controller of internal combustion type burner | |
| CN104676887A (en) | Unattended electric control hot-blast stove | |
| CN210178622U (en) | Boiler air quantity regulating and controlling device for low smoke pollutant emission | |
| CN209893402U (en) | Cremation machine, burn burning furnace and tail gas treatment facility intelligent regulation system | |
| CN201539877U (en) | Rotary-type air preheater rotor variable speed operation system | |
| CN1116547C (en) | Hot air and exhaust switching adjustment powder making and feeding combustion system | |
| CN201935210U (en) | Center drive preheater rotor speed change running system driven by permanent magnet synchronous motors | |
| CN203436958U (en) | Frequency-conversion energy-saving dedusting device of coal mill of cement production line | |
| CN212901590U (en) | Boiler air inlet system for self-generating station of steel plant | |
| CN201876152U (en) | Control device for reducing-matting one-step lead-smelting blast furnace fan | |
| CN214516551U (en) | Multiple anti-blocking online automatic ash removal disassembly-free device | |
| CN204851681U (en) | Steam and electric coupling drive's coal gas air -blast device | |
| CN218491798U (en) | Secondary dust removal device for converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |