CN207581746U - A kind of gasification of biomass furnace control system - Google Patents
A kind of gasification of biomass furnace control system Download PDFInfo
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- CN207581746U CN207581746U CN201720606036.3U CN201720606036U CN207581746U CN 207581746 U CN207581746 U CN 207581746U CN 201720606036 U CN201720606036 U CN 201720606036U CN 207581746 U CN207581746 U CN 207581746U
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Abstract
The utility model belongs to automatic control technology field, and in particular to a kind of gasification of biomass furnace control system.It includes collecting controlled switching system, the collection controlled switching system connection engineer station, operator station, gasifier control system system and boiler control system, the boiler control system is included in hydrophobic tank inlet detection condensing water temperature, flow and main-piping pressure, in feedwater pump discharge detection feed pressure, flow and temperature, feedwater enters setting detection inlet and outlet coolant-temperature gage after boiler economizer, setting detection pressure and water level on boiler, the gasifier control system system is included in air blower setting detection inlet pressure and the blow rate required, setting detection furnace inner gas pressure and each section of temperature in gasification furnace.The utility model is taken after two stove integrated controls, it can be achieved that comprehensively monitor and operate in real time in master control room, reduces the labor intensity of operating personnel, operation adjusts fast and flexible, greatly improves work efficiency.
Description
Technical field
The utility model belongs to automatic control technology field, and in particular to a kind of gasification of biomass furnace control system.
Background technology
As the development of coal action is prohibited in each big city in the whole nation, numerous heat user units is mounted with biomass gasifying furnace, adopts
Steam source is produced with gas fired-boiler is supplied after biomass material aerogenesis.This scheme solves the problems, such as coal-fired high pollution, makes
And layout expensive with natural day less than use ground and the problem of can not use.Then enterprise's automatic gas-producing regenerates producing steam, meet life
The needs of production heat.But occurs device increase simultaneously, personnel depaly needs increase problem.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of integrated control, reduces personnel depaly, reduce
Production cost, the gasification of biomass furnace control system improved labor efficiency.
To achieve these goals, the utility model is to realize by the following technical solutions：
A kind of gasification of biomass furnace control system, including collection controlled switching system, the collection controlled switching system connection engineer station,
Operator station, gasifier control system system and boiler control system, it is solidifying that the boiler control system is included in hydrophobic tank inlet detection
Temperature, flow and main-piping pressure are born water, enters boiler in feedwater pump discharge detection feed pressure, flow and temperature, feedwater and saves coal
Setting detection inlet and outlet coolant-temperature gage after device, setting detection pressure and water level, the gasifier control system system are included on boiler
Air blower setting detection inlet pressure and the blow rate required, setting detection furnace inner gas pressure and each section of temperature in gasification furnace.
A kind of above-mentioned gasification of biomass furnace control system, the boiler control system are additionally included in hydrophobic pump discharge and set
Detection outlet pressure is put, detection oxygen-eliminating device pressure and temperature is set in oxygen-eliminating device, Boiler Steam enters detection at gas-distributing cylinder and divides vapour
The steam pressure of cylinder.
A kind of above-mentioned gasification of biomass furnace control system, the boiler control system are included in drum setting and promptly put
Water motor-driven valve sets discharge water motor-driven valve and level alarm for water, while interlocking protective device in boiler.
A kind of above-mentioned gasification of biomass furnace control system, the gasifier control system system are additionally included in purifier
Forward and backward detection flue-gas temperature, gasification furnace setting emptying air bleeding valve, the emptying air bleeding valve link with igniter.
A kind of above-mentioned gasification of biomass furnace control system, the charging belt machine and spiral of the gasifier control system system
Batcher takes frequency control.
Advantageous effect：
The utility model is taken after two stove integrated controls, it can be achieved that comprehensively monitor and operate in real time in master control room, is reduced
The labor intensity of operating personnel, operation adjust fast and flexible, greatly improve work efficiency.
Description of the drawings
It is described in detail the utility model with reference to the accompanying drawings and detailed description；
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the control flow chart of boiler control system.
Fig. 3 is the control flow chart of gasifier control system system.
Specific embodiment
To be easy to understand technical means, creative features, achievable purpose and effectiveness of the utility model, below
With reference to specific embodiment, the utility model is expanded on further.
Embodiment
With reference to Fig. 1, the utility model includes collection controlled switching system 1, and the collection controlled switching system 1 connects engineer station 2, operator
It stands 3, gasifier control system system 4 and boiler control system 5.
With reference to Fig. 2, the boiler control system 5 includes：Condensation water is recycled to pot by pipeline after heat user steam heat-exchanging
The drain tank 6 in stove room, 6 inlet condensing water temperature of detection monitoring drain tank, condensing water flow and condensation water main-piping pressure, condensation
Water squeezes into oxygen-eliminating device 11 by drainage pump 10, carries out deoxygenation to condensation water, need to detect 10 outlet pressure of drainage pump, oxygen-eliminating device 11 is pressed
Power and temperature, monitoring control deoxygenation, the boiler feedwater after deoxygenation squeeze into boiler economizer 8 by feed pump 7, detect feed pump 7
Outlet pressure, feedwater flow and feed temperature, the feedwater electric control valve 9 that control feed pump 7 exports, to reach control boiler water
The requirement of position.Feedwater imports and exports coolant-temperature gage into detection economizer 8 after boiler economizer 8, and feedwater enters boiler progress nature and follows
Saturated vapor is generated after ring heat exchange, detects the pressure and water level of boiler, Boiler Steam enters gas-distributing cylinder 14, and each vapour is used to distribute to
User detects the steam pressure of gas-distributing cylinder 14.Drum 15 is equipped with emergency blowoff motor-driven valve 13, when boiler water level is more than limit value certainly
It is dynamic to open emergency blowoff motor-driven valve 16.Boiler is provided with the low alarm water level height alarm of water level, while interlocking protective device simultaneously.
Gas supply fast valve can be automatically cut off when boiler low water level reaches limit value, cut-out gas supply is fast while pressure is more than limit value alarm
Close valve.Boiler feed pump and drainage pump realize remote control, and boiler blower and air-introduced machine take frequency control and remote control.
Achieve the purpose that realize all control parameter real time monitorings in master control room, while may be implemented in main control rapid starting/stopping boiler plant
Capital equipment, scene is realized unmanned substantially, only needs periodically by the secondary behaviour of operation to scene inspection.
With reference to Fig. 3, the gasifier control system system 4 includes：After the igniting production of gasification furnace 18, the import of air blower 17 is detected
Pressure and the blow rate required to control temperature, oxygen amount and the gas production in gasification furnace 18, detect each section in stove of temperature in gasification furnace 18
Degree, to control the pressure of gas in the cracking temperature of biomass material and gasification furnace 18,18 output of gasification furnace is drawn by air-introduced machine 21
Flue-gas temperature is detected before entering purifier 19 after going out, purified device 19 treated flue gas detection flue-gas temperature, with
The moisture content removal effect of monitoring gasification gas.Gasification furnace 18 realizes the remote control of charging belt machine and screw(-type) feeder, feeding skin
Band machine and screw(-type) feeder take frequency control, reach control gasification furnace inlet amount.In the case of abnormal blowing out, gasification furnace
Interior pressure limit need to automatically open emergency blow-down air bleeding valve 20, while igniter automatic ignition more than after set-point, will
Excessive gas in gasification furnace discharges after day lamp is lighted.
Two stoves are merged into a set of control system, from raw material supply as starting end, going out qualified steam to boiler for producing is
End.The subitem of integrated control is needed to have the control of feed stock for blast furnace amount, gasification in-furnace temperature, the gasification furnace intake control of gasification furnace
System, boiler water level control, the control of boiler air inflow, boiler hearth temperature control, boiler overheating steam pressure and temperature control, gasification
Residual air igniting emission control, the control of air pressure overpressure protection, the control of boiler overpressure protection, pot in gasification furnace in stove after the urgent blowing out of stove
The control of stove overtemperature prote, boiler water shortage protection and full water protection control.The related control parameter of two stoves and Protection parameters are converged
After collection, optimize it is integrated, design it is each control subitem control strategy after, integrated by PLC and scattered control system module, into
Monitoring and protection picture are formed after entering computer configuration.
The utility model brief introduction：
1st, feedstock controls：Biomass material is sent into after charging belt is conveyed into gasification furnace roof through screw(-type) feeder
In gasification furnace, the rotating speed control access master control room of screw(-type) feeder is realized into long-range start-stop and speed adjusting control, reaches control
The purpose of gasification furnace raw material feeding coal, gasification furnace design level-sensing device, signal introduce control room, as adjust screw(-type) feeder according to
According to.
2nd, gasification furnace controlling of production process：Gasification stove air blast blasts air into stove, and fan outlet pressure, flow are gentle
The temperature and pressure of change stove zoneofoxidation, reducing zone and dry section each point is converted into digital signal introducing interchanger and is transported to control room
Picture is controlled, as gasification furnace controlling of production process foundation.
3rd, gasification furnace safety protection control：It is drawn after gasification furnace aerogenesis through furnace roof, furnace roof gas pressure and fuel gas temperature is believed
Number introducing interchanger is transported to control picture, as the foundation for preventing fuel gas of gasifying furnace superpressure and overtemperture control and protection.
4th, gas-purification controls：Front and rear temperature of its purification of the coal gas detection of feeding purifier, as purification efficiency
Control foundation.
5th, boiler load adjusting control：Its flow of the coal gas detection of feeding boiler-burner, it is defeated as control boiler oil
Enter foundation.
6th, boiler flue gas explosive-proof protector controls：Combustion gas enters burner, sets flame detecting device, and detecting combustion gas in real time is
It is no to catch fire, in this, as rapid shutdown combustion gas, prevent combustion gas from largely entering the foundation of accident caused by detonation in stove.
7th, gasification furnace and boiler interlock protection control：Setting burner automatically shuts down combustion gas quick-closing valve after stopping working, and beats simultaneously
It opens the urgent air bleeding valve of gasification furnace and lights exhaust, prevent from discharging gaseous-pressure excessively high in gasification furnace, gas while Boiler combustion
It is out of service to change stove air blast interlock protection.
8th, boiler for producing technology controlling and process：Into the feed pressure of boiler, temperature and flow, it is sent into the blow rate required and cigarette of boiler
Gas recirculating mass, boiler furnace each point temperature, furnace exit temperature and exhaust gas temperature, boiler pressure and temperature,
Boiler exhaust gas gas oxygen content, boiler feed temperature and pressure, boiler drum pressure and gas-distributing cylinder pressure, steam flow of boiler and
Air-introduced machine flow etc. is converted into after digital signal to introduce interchanger and be transported to master control room control picture and is monitored in real time and adjusted,
Ensure that boiler is normal, safety and the production stablized.
9th, environmental protection facility technology controlling and process：Particulate matter, SO2 and nitrous oxides concentration value real-time detector data draw in flue gas emission
Enter control room, as the foundation for adjusting boiler dust remover, desulfurizing tower and urea denitrification apparatus.Dust-extraction unit, desulfurizing tower and urea
Denitrification apparatus is independent control unit.
The basic principle of the utility model and main feature and the advantages of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principle of the utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
Various changes and modifications are had, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of gasification of biomass furnace control system, which is characterized in that including collecting controlled switching system, the collection controlled switching system connection work
Cheng Shizhan, operator station, gasifier control system system and boiler control system, the boiler control system are included in hydrophobic tank inlet
Condensing water temperature, flow and main-piping pressure are detected, enters pot in feedwater pump discharge detection feed pressure, flow and temperature, feedwater
Setting detection inlet and outlet coolant-temperature gage after stove economizer, setting detection pressure and water level, the gasifier control system system on boiler
It is included in air blower setting detection inlet pressure and the blow rate required, setting detection furnace inner gas pressure and each section of temperature in gasification furnace
Degree.
A kind of 2. gasification of biomass furnace control system according to claim 1, which is characterized in that the boiler control system
Hydrophobic pump discharge setting detection outlet pressure is additionally included in, detection oxygen-eliminating device pressure and temperature, Boiler Steam are set in oxygen-eliminating device
The steam pressure of gas-distributing cylinder is detected at into gas-distributing cylinder.
A kind of 3. gasification of biomass furnace control system according to claim 1, which is characterized in that the boiler control system
It is included in drum setting emergency blowoff motor-driven valve, discharge water motor-driven valve and level alarm for water is set, while interlocking is protected in boiler
Protection unit.
A kind of 4. gasification of biomass furnace control system according to claim 1, which is characterized in that the gasifier control system system
System is additionally included in the forward and backward detection flue-gas temperature of purifier, gasification furnace setting emptying air bleeding valve, the emptying air bleeding valve and igniting
Device links.
A kind of 5. gasification of biomass furnace control system according to claim 1, which is characterized in that the gasifier control system system
The charging belt machine and screw(-type) feeder of system take frequency control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720606036.3U CN207581746U (en) | 2017-05-26 | 2017-05-26 | A kind of gasification of biomass furnace control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720606036.3U CN207581746U (en) | 2017-05-26 | 2017-05-26 | A kind of gasification of biomass furnace control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207581746U true CN207581746U (en) | 2018-07-06 |
Family
ID=62718382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720606036.3U Active CN207581746U (en) | 2017-05-26 | 2017-05-26 | A kind of gasification of biomass furnace control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN207581746U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110982546A (en) * | 2019-11-20 | 2020-04-10 | 新奥生物质能(天津)有限公司 | Biomass pyrolysis system and method for controlling outlet temperature of hot flue gas furnace |
| CN111909731A (en) * | 2020-07-13 | 2020-11-10 | 广东宝杰环保科技有限公司 | Automatic operation system of gasification equipment |
-
2017
- 2017-05-26 CN CN201720606036.3U patent/CN207581746U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110982546A (en) * | 2019-11-20 | 2020-04-10 | 新奥生物质能(天津)有限公司 | Biomass pyrolysis system and method for controlling outlet temperature of hot flue gas furnace |
| CN111909731A (en) * | 2020-07-13 | 2020-11-10 | 广东宝杰环保科技有限公司 | Automatic operation system of gasification equipment |
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