CN202630013U - Integrated control structure for oil-replaced biomass gasification gas combustion - Google Patents
Integrated control structure for oil-replaced biomass gasification gas combustion Download PDFInfo
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- CN202630013U CN202630013U CN 201220215158 CN201220215158U CN202630013U CN 202630013 U CN202630013 U CN 202630013U CN 201220215158 CN201220215158 CN 201220215158 CN 201220215158 U CN201220215158 U CN 201220215158U CN 202630013 U CN202630013 U CN 202630013U
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Abstract
The utility model provides an integrated control structure for oil-replaced biomass gasification gas combustion. The integrated control structure for the oil-replaced biomass gasification gas combustion specifically comprises a control unit, wherein the control unit is connected with a boiler steam temperature and pressure transducer, a gasifying furnace blast fan, a combustor air distributor and a boiler draught fan respectively; and the control unit receives a boiler steam temperature and pressure signal and controls the gasifying furnace blast fan, the combustor air distributor and boiler draught fan to work according to the boiler steam temperature and pressure signal. The integrated control structure for the oil-replaced biomass gasification gas combustion takes the control unit as a control core, takes a touch screen as a man-machine operating interface, takes a boiler steam pressure signal as a feedback input signal and takes the gasifying furnace blast fan, the combustor air distributor and the boiler draught fan as output control objects so as to form a closed-loop control system, thus effectively guaranteeing the slight negative pressure combusting environment of a boiler combusting hearth and constant steam pressure output and improving the coordination and the security of the system.
Description
Technical field
The utility model belongs to the Biomass Energy Utilization technical field, specially refers to the integrated control structure of a kind of biomass gasification burning replacing oil combustion.
Background technology
Living beings are as a kind of ancient traditional energy, and directly burning is that its unique usefulness for a long time can mode.Directly the burning transformation efficiency is low; Energy loss is serious; Not only directly cause atmosphere pollution, also the heavy damage ecological environment utilizes with efficient so realize the clean burning of biomass fuel; The various energy conversion utilizations and the correlation technique thereof of development living beings are extremely important, and wherein biomass gasification technology is one of important method of efficiently utilizing biomass energy.
Living beings replacing oil combustion system is made up of three parts usually: gasification furnace, burner, boiler.Because of in general three parts divide by three different manufacturers productions, so each have their own operating console (case).Specifically; Gasification furnace comprises following work: the fiery blowing out of stove/close, material loading hopper operation control, material level detection, top cover folding control, sealed gate open and close controlling are opened in igniting; Gasification furnace upper, middle and lower portion (dry section, pyrolysis zone, combustion zone) temperature and pressure detecting; Ash disposal system control, the control of gasification furnace air blast wind supply quantity; Burner comprises following work: front and back purge control, IGNITION CONTROL, steady combustion control, flame-out control, protection control, emptying control, and combustion-supporting air distribution control, flame detect; Boiler comprises following work: water level detecting and last water management, steam are supplied with control, and burner hearth and exhaust temperature detect, steam pressure detects, furnace purge control.
Gasification furnace, burner, boiler three parts in use, the scene is combined, the user must operate the function that Different control platform (case) could be accomplished whole system, therefore control is gone up and is lacked effective harmony, system is difficult to operate in optimum state.Complex operation in addition, the corresponding reduction of security.
Summary of the invention
The purpose of the utility model is to propose convenient, the reliable integrated control structure of biomass gasification burning replacing oil combustion of a kind of control.
The integrated control structure of biomass gasification burning replacing oil combustion of the utility model comprises control module; Said control module links to each other with boiler steam temperature and pressure transmitter, gasification furnace air blast, burner gas-distributing fan, boiler induced-draft fan respectively; Said control module receives boiler steam temperature and pressure signal, and controls the work of gasification furnace air blast, burner gas-distributing fan, boiler induced-draft fan according to this signal.
Prior biological matter replacing oil combustion system architecture is following: gasification furnace is communicated with burner through the biological fuel gas transmission pipeline; Burner is connected with boiler; Wherein be provided with combustion zone thermocouple and pressure transmitter, pyrolysis zone thermocouple and pressure transmitter, dry section thermocouple and pressure transmitter in the gasification furnace, and gasification furnace is equipped with gasification furnace air blast and hopper; The biological fuel gas transmission pipeline is communicated with the biological fuel gas emptying pipe, and this biological fuel gas emptying pipe is provided with exhaust-valve, and the biological fuel gas transmission pipeline also is provided with the combustible gas stop valve; Be provided with burner flame detector, burner igniting pin in the burner, and burner is equipped with the burner gas-distributing fan; Be provided with vapor (steam) temperature and pressure transmitter, boiler combustion district temperature probe, boiler water gauge in the boiler, and boiler is connected with the steam multi-purpose station pipeline, this steam multi-purpose station pipeline is provided with steam control valve, and boiler also is equipped with boiler induced-draft fan.
The integrated control structure of biomass gasification burning replacing oil combustion of the utility model organically combines each parts of living beings replacing oil combustion system; Form a closed-loop control system; Its detailed process is following: gasification furnace is pressure combustion; 0.2～0.4kg pressure, boiler are negative pressure, negative 0.2～0.4kg pressure.Therefore gasification burning through biological fuel gas transmission pipeline, burner, is transported to the boiler internal combustion by gasification furnace under the pressure differential effect.And the negative pressure numerical value of the malleation of gasification furnace and boiler is under the chain control of gasification furnace air blast, burner gas-distributing fan, boiler induced-draft fan, to realize.The air pressure of boiler output steam is closely-related with the fired state of boiler during real work, and the boiler firepower is then steam pressure lifting by force, otherwise descends; And the combustion intensity of boiler is relevant with the gasification burning of gasification furnace, then boiler combustion intensity enhancing of combustion gas abundance, on the contrary reduce; The combustion gas output of gasification furnace is relevant with the gasification furnace air blast again, therefore will directly control the steam output quantity of boiler through the air quantity of regulating gasification furnace air blast, burner gas-distributing fan, boiler induced-draft fan.
Further, observe and control for convenient, said control module links to each other with touch-screen.
Further, said control module links to each other with the gasification furnace hopper, with the charging of control gasification furnace.
Further; Said control module links to each other with thermocouple and pressure transmitter in being arranged at gasification furnace; Obtaining temperature and the information of pressure in the gasification furnace, thereby control the work of gasification furnace air blast and hopper, realize the temperature of gasification furnace and the control of pressure according to these information.Specifically, said thermocouple and pressure transmitter comprise combustion zone thermocouple and pressure transmitter, pyrolysis zone thermocouple and pressure transmitter, dry section thermocouple and pressure transmitter.
Further, said control module links to each other with exhaust-valve on being arranged at the biological fuel gas emptying pipe, and control module can come to control automatically exhaust-valve according to specific circumstances like this, realizes the emptying of biological fuel gas.
Further, said control module links to each other with combustible gas stop valve on being arranged at the biological fuel gas transmission pipeline, and control module can come to control automatically the combustible gas stop valve according to specific circumstances like this, realizes the switching of biological fuel gas transmission pipeline.
Further, said control module links to each other with burner flame detector, burner igniting pin in being arranged at burner, thereby controls the igniting of burner, and can know the flame situation of burner.
Further, said control module links to each other with steam control valve on being arranged at the steam multi-purpose station pipeline, and when the steam pressure in the boiler was excessive, control module can be controlled steam control valve and open like this, and released vapour is avoided the bursting of boilers.
Further; Said control module links to each other with boiler combustion district temperature probe and boiler water gauge in being arranged at boiler; To obtain combustion zone temperature and the information of boiler water level in the boiler; Thereby control the work of boiler according to these information, realize control boiler combustion district temperature and boiler water level.
The integrated control structure of biomass gasification burning replacing oil combustion of the utility model is the control core with the control module; Touch-screen is a man machine operation interface, is feedback input signal with the boiler pressure signal, and gasification furnace air blast, burner gas-distributing fan, boiler induced-draft fan are output control object; Form a closed-loop control system; Effectively guaranteed little negative-pressure firing environment of boiler combustion burner hearth, and the output of constant steam pressure, system coordination property and security increased.
Description of drawings
Fig. 1 is the structure chart of living beings replacing oil combustion system.
Fig. 2 is the schematic diagram of the integrated control structure of biomass gasification burning replacing oil combustion of the utility model.
Be denoted as among the figure: 1: the gasification furnace air blast; 2: gasification furnace; 3: hopper (dotted line is its travel track); 4: the biological fuel gas transmission pipeline; 5: burner; 6: the burner gas-distributing fan; 7: boiler; 8: boiler induced-draft fan; 9: gasification furnace combustion zone thermocouple and pressure transmitter; 10: gasification furnace pyrolysis zone thermocouple and pressure transmitter; 11: gasification furnace dry section thermocouple and pressure transmitter; 12: biological fuel gas emptying pipe and exhaust-valve; 13: the combustible gas stop valve; 14: the burner flame detector; 15: burner igniting pin; 16: boiler steam temperature and pressure transmitter; 17: steam multi-purpose station pipeline and control valve; 18: boiler combustion district temperature probe; 19: boiler water gauge; 20: control module; 21: touch-screen.
The specific embodiment
Contrast accompanying drawing below; Through description, the effect of the mutual alignment between the shape of the specific embodiment of the utility model such as related each member, structure, the each several part and annexation, each several part and operation principle etc. are done further to specify to embodiment.
Embodiment 1:
As shown in Figure 1; Prior biological matter replacing oil combustion system architecture is following: gasification furnace 2 is communicated with burner 5 through biological fuel gas transmission pipeline 4; Burner 5 is connected with boiler 7; Wherein be provided with combustion zone thermocouple and pressure transmitter 9, pyrolysis zone thermocouple and pressure transmitter 10, dry section thermocouple and pressure transmitter 11 in the gasification furnace 2, and gasification furnace 2 is equipped with gasification furnace air blast 1 and hopper 3; Biological fuel gas transmission pipeline 4 is communicated with the biological fuel gas emptying pipe, and this biological fuel gas emptying pipe is provided with exhaust-valve 12, and biological fuel gas transmission pipeline 4 also is provided with combustible gas stop valve 13; Be provided with burner flame detector 14, burner igniting pin 15 in the burner 5, and burner 5 is equipped with burner gas-distributing fan 6; Be provided with vapor (steam) temperature and pressure transmitter 16, boiler combustion district temperature probe 18, boiler water gauge 19 in the boiler 7, and boiler 7 is connected with the steam multi-purpose station pipeline, this steam multi-purpose station pipeline is provided with steam control valve 17, and boiler 7 also is equipped with boiler induced-draft fan 8.
As shown in Figure 2; The integrated control structure of biomass gasification burning replacing oil combustion of present embodiment comprises the control module 20 that is connected with touch-screen 21; Control module 20 links to each other with gasification furnace air blast 1, hopper 3, combustion zone thermocouple and pressure transmitter 9, pyrolysis zone thermocouple and pressure transmitter 10, dry section thermocouple and pressure transmitter 11, exhaust-valve 12, combustible gas stop valve 13, burner flame detector 14, burner igniting pin 15, burner gas-distributing fan 6, boiler induced-draft fan 8, vapor (steam) temperature and pressure transmitter 16, steam control valve 17, boiler combustion district temperature probe 18, boiler water gauge 19 respectively; Control module 20 receives temperature and the pressure information in boiler steam temperatures and pressure signal, the gasification furnace, flame information, the combustion zone temperature in the boiler and the information of boiler water level of burner, and controls the work of each parts according to this signal.
The integrated control structure of biomass gasification burning replacing oil combustion of the utility model organically combines each parts of living beings replacing oil combustion system; Form a closed-loop control system; Its detailed process is following: gasification furnace 2 is pressure combustion; 0.2～0.4kg pressure, boiler 7 is a negative pressure, negative 0.2～0.4kg pressure.Therefore gasification burning through biological fuel gas transmission pipeline 4, burner 5, is transported to boiler 7 internal combustion by gasification furnace under the pressure differential effect.And the negative pressure numerical value of the malleation of gasification furnace 2 and boiler 7 is under the chain control of gasification furnace air blast 1, burner gas-distributing fan 6, boiler induced-draft fan 8, to realize.The vapour pressure of boiler 7 output steam is closely-related with the fired state of boiler 7 during real work, and boiler 7 firepower are then steam pressure lifting by force, otherwise descends; And the combustion intensity of boiler 7 is relevant with the gasification burning of gasification furnace 2, and combustion gas abundance then boiler 7 combustion intensities strengthens, otherwise reduces; The combustion gas output of gasification furnace 2 is relevant with gasification furnace air blast 1 again, therefore will directly control the steam output quantity of boiler 7 through the air quantity of regulating gasification furnace air blast 1, burner gas-distributing fan 6, boiler induced-draft fan 8.
The purpose of gasification furnace air blast 1, burner gas-distributing fan 6, boiler induced-draft fan 8 chain controls and effect are to guarantee that (0.2～0.4kg) boiler 7 is negative pressure (0.2～0.4kg) to gasification furnace 2 for normal pressure.Therefore, under this pressure differential effect, gasification burning is discharged by gasification furnace 2 with certain flow rate, flows to the burner hearth of boiler 7 through burner 5, and finally realizes the controlled output of the steam of boiler 7.
The control module 20 of present embodiment is connected with touch-screen 21 and frequency converter by single-chip microcomputer; Wherein the effect of frequency converter is to be used for the single-chip microcomputer connection and to control gasification furnace air blast 1, burner gas-distributing fan 6, boiler induced-draft fan 8; The advantage of the control module 20 of present embodiment is: one, control module 20 has automatically and manual control mode, is switched by a rotary switch; Two, the detected value of system's running temperature, pressure is preserved and is remembered in control module 20, and can be uploaded to host computer or directly printout; Three, the detected value of system's running temperature, pressure both can show on touch-screen 21, and was more directly perceived; Four,, guarantee that gasification furnace 2 excessively gasifies and completing combustion based on the type of alarm of gasification furnace top (dry section) temperature.
Claims (10)
1. integrated control structure of biomass gasification burning replacing oil combustion; Comprise control module; It is characterized in that said control module links to each other with boiler steam temperature and pressure transmitter, gasification furnace air blast, burner gas-distributing fan, boiler induced-draft fan respectively; Said control module receives boiler steam temperature and pressure signal, and controls the work of gasification furnace air blast, burner gas-distributing fan, boiler induced-draft fan according to this signal.
2. the integrated control structure of described biomass gasification burning replacing oil combustion according to claim 1 is characterized in that said control module links to each other with touch-screen.
3. the integrated control structure of biomass gasification burning replacing oil combustion according to claim 1 and 2 is characterized in that said control module links to each other with the gasification furnace hopper.
4. the integrated control structure of biomass gasification burning replacing oil combustion according to claim 1 and 2, thermocouple and pressure transmitter in it is characterized in that said control module and being arranged at gasification furnace link to each other.
5. the integrated control structure of biomass gasification burning replacing oil combustion according to claim 4 is characterized in that said thermocouple and pressure transmitter comprise combustion zone thermocouple and pressure transmitter, pyrolysis zone thermocouple and pressure transmitter, dry section thermocouple and pressure transmitter.
6. the integrated control structure of biomass gasification burning replacing oil combustion according to claim 1 and 2, the exhaust-valve on it is characterized in that said control module and being arranged at the biological fuel gas emptying pipe links to each other.
7. the integrated control structure of biomass gasification burning replacing oil combustion according to claim 1 and 2, the combustible gas stop valve on it is characterized in that said control module and being arranged at the biological fuel gas transmission pipeline links to each other.
8. the integrated control structure of biomass gasification burning replacing oil combustion according to claim 1 and 2, the burner flame detector in it is characterized in that said control module and being arranged at burner, burner igniting pin link to each other.
9. the integrated control structure of biomass gasification burning replacing oil combustion according to claim 1 and 2, the steam control valve on it is characterized in that said control module and being arranged at the steam multi-purpose station pipeline links to each other.
10. the integrated control structure of biomass gasification burning replacing oil combustion according to claim 9, boiler combustion district temperature probe and boiler water gauge in it is characterized in that said control module and being arranged at boiler link to each other.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220215158 CN202630013U (en) | 2012-05-15 | 2012-05-15 | Integrated control structure for oil-replaced biomass gasification gas combustion |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220215158 CN202630013U (en) | 2012-05-15 | 2012-05-15 | Integrated control structure for oil-replaced biomass gasification gas combustion |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353123A (en) * | 2013-07-01 | 2013-10-16 | 东莞市百大新能源股份有限公司 | Synchronous double-bed air feeding method and structure for updraught type fixed bed gasifiers |
| CN103939880A (en) * | 2014-04-14 | 2014-07-23 | 东莞市百大新能源股份有限公司 | Self-adaption intelligent control method for biomass gasification thermal energy conversation system |
| CN104482662A (en) * | 2014-12-18 | 2015-04-01 | 广东绿壳新能源有限公司 | Biogas conduction oil supply boiler control system device and control method |
| CN104501127A (en) * | 2014-12-18 | 2015-04-08 | 广东绿壳新能源有限公司 | Automatic control method and system device for adjustment on load of biogas supplied for steam boiler |
| CN106594700A (en) * | 2016-12-27 | 2017-04-26 | 重庆智神科技有限公司 | Boiler control system |
| WO2017124510A1 (en) * | 2016-01-24 | 2017-07-27 | 白宏伟 | Method for sending use data of pressure-based flame size adjustment technology, and flame size adjustment system |
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2012
- 2012-05-15 CN CN 201220215158 patent/CN202630013U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353123A (en) * | 2013-07-01 | 2013-10-16 | 东莞市百大新能源股份有限公司 | Synchronous double-bed air feeding method and structure for updraught type fixed bed gasifiers |
| CN103939880A (en) * | 2014-04-14 | 2014-07-23 | 东莞市百大新能源股份有限公司 | Self-adaption intelligent control method for biomass gasification thermal energy conversation system |
| CN103939880B (en) * | 2014-04-14 | 2016-01-06 | 东莞市百大新能源股份有限公司 | A kind of self-adapting intelligent control method of gasification of biomass thermal power transfer system |
| CN104482662A (en) * | 2014-12-18 | 2015-04-01 | 广东绿壳新能源有限公司 | Biogas conduction oil supply boiler control system device and control method |
| CN104501127A (en) * | 2014-12-18 | 2015-04-08 | 广东绿壳新能源有限公司 | Automatic control method and system device for adjustment on load of biogas supplied for steam boiler |
| CN104482662B (en) * | 2014-12-18 | 2018-04-10 | 广东绿壳新能源有限公司 | A kind of biological flue gas supplies heat conduction oil boiler furnace control system device and its control method |
| WO2017124510A1 (en) * | 2016-01-24 | 2017-07-27 | 白宏伟 | Method for sending use data of pressure-based flame size adjustment technology, and flame size adjustment system |
| CN106594700A (en) * | 2016-12-27 | 2017-04-26 | 重庆智神科技有限公司 | Boiler control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180813 Address after: 710000 Hao Xingcun, New Town Street, Lintong District, Xi'an, Shaanxi Patentee after: Shaanxi hundred new energy Co., Ltd. Address before: 523808 Dongguan, Guangdong Songshan Lake Science and Technology Industrial Park, innovation and Technology Park 3, 5, 509, 510, 511 rooms. Patentee before: Dongguan Baida New Energy Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20190515 |
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| CF01 | Termination of patent right due to non-payment of annual fee |