CN106168819B - A kind of control system of biomass gasification device - Google Patents
A kind of control system of biomass gasification device Download PDFInfo
- Publication number
- CN106168819B CN106168819B CN201610572149.6A CN201610572149A CN106168819B CN 106168819 B CN106168819 B CN 106168819B CN 201610572149 A CN201610572149 A CN 201610572149A CN 106168819 B CN106168819 B CN 106168819B
- Authority
- CN
- China
- Prior art keywords
- algorithmic controller
- control valve
- blower
- controller
- vaporizer
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/04—Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/04—Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials
- C10K1/046—Reducing the tar content
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Processing Of Solid Wastes (AREA)
- Fuel Cell (AREA)
Abstract
A kind of control system of biomass gasification device, including vaporizer, the vaporizer has biomass conveyer, the control system of the biomass gasification device also includes calorific value collecting unit, the calorific value collecting unit is used for the calorific value for gathering the biological fuel gas of the biomass gasification device gasification, the biomass conveyer is connected with speed change driver and biomass conveyer algorithmic controller, and biomass conveyer algorithmic controller is connected with calorific value collecting unit and obtains the fuel gases calorific value information of its collection；The biomass conveyer algorithmic controller is used for when fuel gases calorific value is less than the given threshold of the biomass conveyer algorithmic controller, the biomass conveyer algorithmic controller controls the biomass conveyer power output increase, when fuel gases calorific value is higher than the given threshold of the biomass conveyer algorithmic controller, the biomass conveyer algorithmic controller controls the biomass conveyer power output to reduce.
Description
Technical field
The present invention relates to biomass field, particularly a kind of control system of biomass gasification device.
Background technology
Gasification of biomass is under certain thermodynamic condition, by means of air part（Or oxygen）, vapor work
With, make biomass high polymer occur pyrolysis, oxidation, reduction reforming reaction, be eventually converted into carbon monoxide, hydrogen and low molecule
The process of the fuel gas such as hydro carbons.Gasification of biomass is that biomass material is converted into fuel gas, available for heat supply, generating,
The synthesis of supply and chemicals, biomass gasifying furnace is one of important technology of biomass utilization.
In existing biomass gasification device, the production capacity of biological fuel gas there is no control device.
The content of the invention
Present invention aims at a kind of control system of biomass gasification device is provided, the production of biological fuel gas can be adjusted
Energy.
A kind of control system of biomass gasification device, including vaporizer, the vaporizer have biomass conveyer, institute
Stating the control system of biomass gasification device also includes calorific value collecting unit, and the calorific value collecting unit is used to gather the biology
The calorific value of the biological fuel gas of matter gasification installation gasification, the biomass conveyer are connected with speed change driver and biomass conveying
Machine algorithmic controller, biomass conveyer algorithmic controller are connected with calorific value collecting unit and obtain the fuel gases calorific value letter of its collection
Breath；The biomass conveyer algorithmic controller is used for the setting less than the biomass conveyer algorithmic controller in fuel gases calorific value
When determining threshold value, the biomass conveyer algorithmic controller controls the biomass conveyer power output increase, in combustion gas heat
When value is higher than the given threshold of the biomass conveyer algorithmic controller, the biomass conveyer algorithmic controller controls institute
State the reduction of biomass conveyer power output.
In the control system of the biomass gasification device of the present invention, biomass conveyer algorithmic controller is used in combustion gas
When calorific value is less than the given threshold of biomass conveyer algorithmic controller, biomass conveyer algorithmic controller control biomass is defeated
The increase of machine power output is sent, when fuel gases calorific value is higher than the given threshold of biomass conveyer algorithmic controller, biomass conveying
Machine algorithmic controller control biomass conveyer power output reduces, and it is defeated to change regulation biomass according to the calorific value of biological fuel gas
Machine is sent, so as to ensure that the calorific value of biological fuel gas is stable, i.e., the production capacity of biological fuel gas is stable.
Brief description of the drawings
Fig. 1 show the structural representation of the biomass gasification device of first embodiment of the invention.
Fig. 2 show the structural representation of the control system of Fig. 1 biomass gasification device.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, to proposing embodiment, structure, feature and its effect according to the present invention, describe in detail as after.
Fig. 1 show the structural representation of the biomass gasification device of first embodiment of the invention.Refer to Fig. 1, this reality
Applying the biomass gasification device of example includes：Vaporizer 10, material returning device 20, separator 30, gas cooler 40, gas booster fan
50th, user side fuel gas pipeline 60, gas leakage detector 70.
The top of vaporizer 10 connects with the top of material returning device 20, the middle part of vaporizer 10 connects with the bottom of material returning device 20.
The middle part of vaporizer 10 is provided with plus sand machine 11, biomass conveyer 12, the first vaporizer gas piping 131, the second gas
Change room gas piping 132, the lower end of vaporizer 10 is provided with air compartment 14 and scum pipe 15.The top of vaporizer 10 is provided with vaporizer air pressure
Collecting unit 10P, the bottom of vaporizer 10 are provided with vaporizer temperature collecting cell 10T, vaporizer 10 is additionally provided with for gathering gasification
The top of room 10 and the vaporizer pressure difference collecting unit 10P2 of middle part draught head.
Sand machine 11, biomass conveyer 12 is added to include motor, the first vaporizer gas piping 131 is provided with the first vaporizer
Pipeline gas flowmeter 131F and the first vaporizer control valve for gas pipeline 131V, the second vaporizer gas piping 132 are provided with the
Two vaporizer gas piping flowmeter 132F and the second vaporizer control valve for gas pipeline 132V.First vaporizer gas piping
131st, the second vaporizer gas piping 132 can connect with water vapour, air, nitrogen, oxygen, inert gas etc..
Air compartment 14 is communicated with the first air compartment gas piping 141 and the second air compartment gas piping 142.Air compartment is provided with air compartment 14
Air pressure acquisition unit 14P, the air pressure that air compartment air pressure acquisition unit 14P is gathered are commonly referred to as bed pressure.
First air compartment gas piping 141 is provided with the first air compartment gas piping flowmeter 141F, the first air compartment gas piping 141
It is connected with vaporizer air blower 142M.Second air compartment gas piping 142 is provided with the second air compartment gas piping flowmeter 142F, second
Air compartment control valve for gas pipeline 142V.Scum pipe 15 is provided with slagging coutrol valve 15V.First air compartment gas piping 141 can be with water
Steam, oxygen connection.Second air compartment gas piping 142 can connect with water vapour, air, nitrogen, oxygen, inert gas.
The biological fuel gas outlet at the top of material returning device 20 connects with the top of separator 30, and the bottom of material returning device 20 is material returning device
Standpipe 210, the lower end of material returning device standpipe 210 are bent upwards after 180 degree with being connected inside vaporizer 10.Material returning device standpipe is bent up
Bent 180 degree, which forms, loosens room 211 and returning charge room 212.Loosening room air pressure is respectively equipped with loosening room 211 and returning charge room 212 to adopt
Collect unit 211P, returning charge room air pressure acquisition unit 212P.Material returning device standpipe 210 is provided with the first material returning device standpipe according to different height
Air pressure acquisition unit 2101P, the second material returning device standpipe air pressure acquisition unit 2102P, the 3rd material returning device standpipe air pressure acquisition unit
2103P.First material returning device standpipe air pressure acquisition unit 2101P position is respectively used to judge grey whether too high, the second material returning device
Standpipe air pressure acquisition unit 2102P be used for judge, the 3rd material returning device standpipe air pressure acquisition unit 2103P be used for judge ash whether mistake
It is low.
Loosen room 211 to connect with the first loosening loosening air pipe 23 of air pipe line 21, second, the returning charge of returning charge room 212 and first
Air pipe line 22, the second returning charge air pipe 24 connect.First, which loosens air pipe line 21, is provided with first and loosens air pipe line flowmeter 21F and the
One loosens air pipe line hand-operated valve 21V1, and second, which loosens air pipe 23, is provided with the second loosening air pipe flowmeter 23F and the second loosening
Air pipe control valve 23V, the first returning charge air pipe line 22 are provided with the first returning charge air pipe line flowmeter 22F and the first returning charge air pipe line hand
Dynamic valve 22V1, the second returning charge air pipe 24 are provided with the second returning charge air pipe flowmeter 24F and the second returning charge air pipe control valve
24V。
The first loosening returning charge air pipe line 22 of air pipe line 21 and first connects with material return blower 201, standby material return blower 202
Connect, the air outlet of material return blower 201 is provided with material return blower control valve 201V, the air outlet of standby material return blower 202 provided with standby
Material return blower control valve 202V.Second loosening air pipe 23, the second returning charge air pipe 24 can be with water vapour, air, nitrogen, oxygen
Gas, inert gas etc. connect.
The top of separator 30 is connected with gas cooler 40, and separator is provided between separator 30 and gas cooler 40
Diffuse the oxygen content collecting unit 30O2 of branch pipe 300 and the oxygen content for gathering biological fuel gas, for gathering biomass
The carbon monoxide content collecting unit 30CO of the carbon monoxide content of combustion gas, the temperature for gathering biological fuel gas the first combustion
Gas temperature collecting cell 30T, the lower end of separator 30 are provided with the separator standpipe 310 being connected with ash-discharging device 31, separator
Standpipe 310 is provided with the first separator standpipe air pressure acquisition unit 3101P, the second separator standpipe air pressure acquisition according to different height
Unit 3102P, the 3rd separator standpipe air pressure acquisition unit 3103P, the 4th separator standpipe air pressure acquisition unit 3104P, point
Ash-discharging device 31 is connected with from the lower end of device standpipe 310.Separator diffuses branch pipe 300 and diffuses branch pipe control valve provided with separator
300V。
Gas cooler 40 is used to cool down combustion gas, and gas cooler 40 is connected with gas booster fan 50, gas cooler
40 are provided with cooling device 41 and standby cooling device 42.
The second combustion of the temperature for being used to gather biological fuel gas is provided between gas cooler 40 and gas booster fan 50
Gas temperature collecting cell 40T and gas cooler diffuse branch pipe 400, and gas cooler diffuses branch pipe 400 and is provided with gas cooler
Diffuse branch pipe control valve 400V.
The outlet of gas booster fan 50 is connected with user side fuel gas pipeline 60, gas booster fan 50 and user side combustion gas
Gas control valve 52V is provided between pipeline 60, gas booster fan is provided between gas booster fan 50 and gas control valve 52V
Branch pipe 500 is diffused, for detecting the calorific value collecting unit 50A of biomass fuel gas calorific value, gas booster fan diffuses branch pipe 500 and set
There is gas booster fan to diffuse branch pipe control valve 500V.Calorific value collecting unit 50A is by analyzing biological fuel gas composition and collection
The calorific value of biological fuel gas is calculated after biomass flow.
User side fuel gas pipeline 60 gives out of gas branch pipe 600 provided with user side, and the user side branch pipe 600 that gives out of gas is provided with and used
Family side gives out of gas branch pipe control valve 600V.
The quantity of gas leakage detector 70 is multiple, and it is arranged in vaporizer 10, material returning device 20, separator 30, combustion gas
Cooler 40, gas booster fan 50, near user side fuel gas pipeline 60.
Fig. 2 show the structural representation of the control system of Fig. 1 biomass gasification device.Refer to Fig. 2, gas booster
Blower fan 50 is connected with speed change driver and gas booster fan algorithmic controller, gas booster fan algorithmic controller and vaporizer
Air pressure acquisition unit 10P is connected and is obtained the vaporizer pressure information of its collection, and gas booster fan algorithmic controller is also with obtaining
Take vaporizer air blower 142M to connect and obtain vaporizer air blower 142M frequency or air quantity information.
Vaporizer air blower 142M is connected with speed change driver and vaporizer air blower algorithmic controller, vaporizer air blower
Algorithmic controller is connected with vaporizer temperature collecting cell 10T and obtains the vaporizer temperature information of collection, vaporizer air blower
Algorithmic controller is also connected with air compartment air pressure acquisition unit 14P and obtains the bed pressure information of its collection.
Add sand machine 11 to be connected with speed change driver and add sand machine algorithmic controller, add sand machine algorithmic controller and air compartment air pressure
Collecting unit 14P is connected and is obtained the bed pressure information of its collection.
Slagging coutrol valve 15V is connected with deslagging algorithmic controller, deslagging algorithmic controller and air compartment air pressure acquisition unit 14P
Connect and obtain the bed pressure information of its collection.
Cooling device 41, standby cooling device 42 are connected to speed change driver and cooling device algorithmic controller, cold
But device algorithm controller is connected with the first fuel gas temperature collecting unit 30T, the second fuel gas temperature collecting unit 40T and obtains it
The fuel gas temperature information of collection.
Biomass conveyer 12 is connected with speed change driver and biomass conveyer algorithmic controller, and biomass conveyer is calculated
Method controller is connected with calorific value collecting unit 50A and obtains the fuel gases calorific value information of its collection.
Gas leakage detector 70 is connected with gas leakage controller, gas leakage controller also with calorific value collecting unit
50A connections, gas leakage controller, carbon monoxide content collecting unit 30CO, oxygen content collecting unit 30O2 are with diffusing control
Device connection processed, diffuses controller and obtains gas leakage information, the carbon monoxide content information of combustion gas, oxygen content information.Diffuse control
Device processed also diffuses branch pipe control valve 300V with separator, gas cooler diffuses branch pipe control valve 400V, gas booster fan is put
Dissipate branch pipe control valve 500V, family side gives out of gas the 600V connections of branch pipe control valve.
Ash-discharging device 31 is connected with speed change driver and ash-discharging device algorithmic controller, ash-discharging device algorithmic controller and
One separator standpipe air pressure acquisition unit 3101P, the second separator standpipe air pressure acquisition unit 3102P, the 3rd separator standpipe
Air pressure acquisition unit 3103P, the 4th separator standpipe air pressure acquisition unit 3104P are connected and are obtained the separator standpipe of its collection
Pressure information.
Material return blower 201, standby material return blower 202, are connected with speed change driver and material return blower algorithmic controller, returning charge
Blower fan algorithmic controller is connected with vaporizer pressure difference collecting unit 10P2 and obtains vaporizer differential pressure information, material return blower algorithm control
Device processed is also connected with vaporizer temperature collecting cell 10T and obtains vaporizer temperature information, material return blower algorithmic controller also with
First material returning device standpipe air pressure acquisition unit 2101P, the second material returning device standpipe air pressure acquisition unit 2102P, the 3rd material returning device are stood
Pipe air pressure acquisition unit 2103P is connected and is obtained material returning device standpipe pressure information.
Material return blower control valve 201V, standby material return blower control valve 202V, it is connected with material return blower control valve algorithm control
Device processed, material return blower control valve algorithmic controller are connected with vaporizer pressure difference collecting unit 10P2 and obtain vaporizer pressure difference letter
Breath, material return blower control valve algorithmic controller are also connected with vaporizer temperature collecting cell 10T and obtain vaporizer temperature information,
Material return blower control valve algorithmic controller also with the first material returning device standpipe air pressure acquisition unit 2101P, the second material returning device standpipe gas
Pressure collecting unit 2102P, the 3rd material returning device standpipe air pressure acquisition unit 2103P are connected and are obtained material returning device standpipe pressure information.
Second loosening air pipe control valve 23V is connected with the second loosening air pipe control valve algorithmic controller, and second loosens
Air pipe control valve algorithmic controller is connected with vaporizer pressure difference collecting unit 10P2 and obtains vaporizer differential pressure information, the second pine
Pipe-line control valve algorithmic controller of taking offence also is connected with vaporizer temperature collecting cell 10T and obtains vaporizer temperature information, the
Two loosening air pipe control valve algorithmic controllers are also stood with the first material returning device standpipe air pressure acquisition unit 2101P, the second material returning device
Pipe air pressure acquisition unit 2102P, the 3rd material returning device standpipe air pressure acquisition unit 2103P are connected and are obtained material returning device standpipe air pressure letter
Breath.
Second returning charge air pipe control valve 24V is connected with the second returning charge air pipe control valve algorithmic controller, the second returning charge
Air pipe control valve algorithmic controller is connected with vaporizer pressure difference collecting unit 10P2 and obtains vaporizer differential pressure information, and second returns
Material air pipe control valve algorithmic controller is also connected with vaporizer temperature collecting cell 10T and obtains vaporizer temperature information, the
Two returning charge air pipe control valve algorithmic controllers are also stood with the first material returning device standpipe air pressure acquisition unit 2101P, the second material returning device
Pipe air pressure acquisition unit 2102P, the 3rd material returning device standpipe air pressure acquisition unit 2103P are connected and are obtained material returning device standpipe air pressure letter
Breath.
First vaporizer control valve for gas pipeline 131V, the second vaporizer control valve for gas pipeline 132V are connected with vaporizer
Gas algorithmic controller, vaporizer gas algorithmic controller are connected with vaporizer temperature collecting cell 10T and obtain gasification room temperature
Spend information.
Second air compartment control valve for gas pipeline 142V is connected with the second air compartment gas algorithmic controller, and the second air compartment gas is calculated
Method controller is connected with vaporizer temperature collecting cell 10T and obtains vaporizer temperature information.
The algorithm above controller all has human-computer interaction interface.
The gas booster fan algorithmic controller that gas booster fan 50 connects, obtain vaporizer pressure information, vaporizer
Air blower 142M frequency or air quantity information, when vaporizer air pressure is higher than the given threshold of gas booster fan algorithmic controller
When, gas booster fan algorithmic controller control gas booster fan 50 power increase, when vaporizer air pressure is less than gas booster
During the given threshold of blower fan algorithmic controller, gas booster fan algorithmic controller control gas booster fan 50 power reduces,
Because vaporizer air blower 142M frequency or air quantity are directly proportional to vaporizer air pressure change, but the response time is longer, combustion gas
Booster fan algorithmic controller obtains vaporizer air blower 142M frequency or air quantity change can be according to vaporizer air blower
142M frequency or air quantity increases and increases power output, and vaporizer air blower 142M frequency or air quantity reduce and reduce output
Power.
The vaporizer air blower algorithmic controller of vaporizer air blower 142M connections, obtain vaporizer temperature information, bed pressure
Information.Vaporizer air blower algorithmic controller sets threshold in gasification room temperature higher than the temperature of vaporizer air blower algorithmic controller
During value, vaporizer air blower algorithmic controller control vaporizer air blower 142M reduces power output, vaporizer air blower algorithm
Controller is when the room temperature that gasifies is less than the temperature given threshold of vaporizer air blower algorithmic controller, vaporizer air blower algorithm
Controller control vaporizer air blower 142M increase power outputs.
Vaporizer air blower algorithmic controller presses given threshold in bed pressure less than the bed of vaporizer air blower algorithmic controller
When, vaporizer air blower algorithmic controller control vaporizer air blower 142M increase power outputs.
Add the connection of sand machine 11 adds sand machine algorithmic controller, obtains bed pressure information.When bed force down in add sand machine algorithm control
During the bed pressure given threshold of device, the control of sand machine algorithmic controller plus sand machine 11 is added to work.
When vaporizer air blower 142M increase power outputs, bed presses unchanged and bed pressure still to be below vaporizer air blower
During the bed pressure given threshold of algorithmic controller, vaporizer air blower 142M adds the control of sand machine algorithmic controller plus sand machine 11 to work.
Slagging coutrol valve 15V is connected with deslagging algorithmic controller, obtains bed pressure information.Controlled in bed pressure higher than deslagging algorithm
During the bed pressure given threshold of device, deslagging algorithmic controller control slagging coutrol valve 15V is opened.
The cooling device algorithmic controller that cooling device 41 and/or standby cooling device 42 connect obtains the first fuel gas temperature
The fuel gas temperature information of collecting unit 30T, the second fuel gas temperature collecting unit 40T collection.When the second fuel gas temperature collecting unit
When fuel gas temperature at 40T is higher than the temperature given threshold of cooling device algorithmic controller, the control of cooling device algorithmic controller
Cooling device 41 and/or standby cooling device 42 increase power output, the combustion gas temperature at the second fuel gas temperature collecting unit 40T
Degree less than cooling device algorithmic controller temperature given threshold when, cooling device algorithmic controller control cooling device 41 and/
Or standby cooling device 42 reduces power output, the fuel gas temperature at the first fuel gas temperature collecting unit 30T places is the temperature before cooling down
Degree, when increasing when the first fuel gas temperature collecting unit 30T at, cooling device algorithmic controller controls cooling device 41 and/or standby
Increase power output with cooling device 42, when reducing at the first fuel gas temperature collecting unit 30T, cooling device algorithmic controller
Cooling device 41 and/or standby cooling device 42 is controlled to reduce power output.
The biomass conveyer algorithmic controller that biomass conveyer 12 connects obtains the fuel gases calorific value information of its collection.
When fuel gases calorific value is less than the given threshold of biomass conveyer algorithmic controller, biomass conveyer algorithmic controller control biology
The increase of the power output of matter conveyer 12, when fuel gases calorific value is higher than the given threshold of biomass conveyer algorithmic controller, biology
The power output of matter conveyer algorithmic controller control biomass conveyer 12 reduces.
Diffuse controller and obtain gas leakage information, the carbon monoxide content information of combustion gas, oxygen content information.When combustion gas is let out
The carbon monoxide content of leakage or combustion gas is less than when diffusing the carbon monoxide given threshold of controller or the oxygen content of combustion gas is higher than putting
When dissipating the oxygen content given threshold of controller, diffuse controller control separator and diffuse branch pipe control valve 300V, gas cooler
Diffuse branch pipe control valve 400V, gas booster fan diffuses branch pipe control valve 500V, family side gives out of gas branch pipe control valve 600V
One or several unlatchings in connection, while diffuse controller and send alarm signal.
Ash-discharging device 31 is connected with speed change driver and ash-discharging device algorithmic controller, ash-discharging device algorithmic controller and
One separator standpipe air pressure acquisition unit 3101P, the second separator standpipe air pressure acquisition unit 3102P, the 3rd separator standpipe
Air pressure acquisition unit 3103P, the 4th separator standpipe air pressure acquisition unit 3104P are connected and are obtained the separator standpipe of its collection
Pressure information.The air pressure on the top of separator standpipe 310 is negative pressure, the ash-discharging device 31 of the lower section of separator standpipe 310 connection with it is big
Gas connects, therefore can speculate height grey in separator standpipe by gathering the air pressure of the different position of separator standpipe 310
Degree.Multiple separator standpipe air pressure acquisition units are set to be to be able to specifically judge height grey in separator standpipe 310,
Grey highly desirable guarantee separator 30 and atmospheric pressure are relatively independent in separator standpipe 310.
Air pressure at first separator standpipe air pressure acquisition unit 3101P is negative pressure the second separator standpipe air pressure acquisition list
Air pressure at first 3102P is negative pressure, and the air pressure at the 3rd separator standpipe air pressure acquisition unit 3103P is negative pressure, the 4th separation
Ash position is too high when air pressure at device standpipe air pressure acquisition unit 3104P is close to during atmospheric pressure, starts or accelerate ash-discharging device 31
Work.
Air pressure at first separator standpipe air pressure acquisition unit 3101P is negative pressure the second separator standpipe air pressure acquisition list
Air pressure at first 3102P is negative pressure, when the air pressure at the 3rd separator standpipe air pressure acquisition unit 3103P is close to atmospheric pressure,
Air pressure at four separator standpipe air pressure acquisition unit 3104P is too low close to ash position when atmospheric pressure, stops the work of ash-discharging device 31
Make.
The gas that the air pressure at a certain separator standpipe air pressure acquisition unit is less than ash-discharging device algorithmic controller can also be worked as
When pressing setting value, ash-discharging device algorithmic controller control ash-discharging device work, at a certain separator standpipe air pressure acquisition unit
Air pressure be higher than ash-discharging device algorithmic controller air pressure setting value when, ash-discharging device algorithmic controller control ash-discharging device stop
Work.
Material return blower 201 and the material return blower algorithmic controller of the connection of standby material return blower 202, material return blower control valve
201V, the material return blower control valve algorithmic controller of standby material return blower control valve 202V connections, second loosens air pipe control
The second of valve 23V connections loosens air pipe control valve algorithmic controller, the second pine of the second returning charge air pipe control valve 24V connections
Pipe-line control valve algorithmic controller of taking offence obtains vaporizer temperature information, material returning device standpipe pressure information, vaporizer differential pressure information,
The upper and lower part that material returning device founds ash pipe 210 has a draught head, thus can by the air pressure of different positions come
Speculate grey height in material returning device standpipe, the grey easy coking and blocking of excessive height in material returning device standpipe.When in material returning device standpipe
When the grey position of ash is too high, the output frequency of material return blower algorithmic controller control increase material return blower 201 and standby material return blower 202
Rate, or material return blower control valve algorithmic controller control increase material return blower control valve 201V, standby material return blower control valve
202V aperture, or the second loosening air pipe control valve algorithmic controller control increase by second loosen air pipe control valve 23V's
Aperture, the second returning charge air pipe control valve 24V of the second returning charge air pipe control valve algorithmic controller control increase aperture.
When gasification room temperature is less than the control of material return blower algorithmic controller, material return blower control valve algorithmic controller, second
Returning charge when loosening temperature given threshold, the second returning charge air pipe control valve algorithmic controller of air pipe control valve algorithmic controller
The output frequency of blower fan algorithmic controller control increase material return blower 201 and standby material return blower 202, or material return blower control valve
Algorithmic controller control increase material return blower control valve 201V, standby material return blower control valve 202V aperture, or the second loosening
Air pipe control valve algorithmic controller control increase by second loosens air pipe control valve 23V aperture, the second returning charge air pipe control
Second returning charge air pipe control valve 24V of valve algorithmic controller control increase processed aperture.
When gasification room temperature is higher than the control of material return blower algorithmic controller, material return blower control valve algorithmic controller, second
When loosening the temperature given threshold of air pipe control valve algorithmic controller, the second returning charge air pipe control valve algorithmic controller, return
Expect that the control of blower fan algorithmic controller reduces the output frequency of material return blower 201 and standby material return blower 202, or material return blower control
The control of valve algorithmic controller reduces material return blower control valve 201V, standby material return blower control valve 202V aperture, or the second pine
Pipe-line control valve algorithmic controller of taking offence control reduces the second aperture for loosening air pipe control valve 23V, the second returning charge air pipe
The control of control valve algorithmic controller reduces the second returning charge air pipe control valve 24V aperture.
Vaporizer pressure difference is directly proportional to returning charge wind or loosening wind size, therefore when vaporizer pressure difference is higher than material return blower algorithm
Controller control, material return blower control valve algorithmic controller, second loosen air pipe control valve algorithmic controller, the second returning charge gas
During the pressure differential resetting threshold value of pipe-line control valve algorithmic controller, the control of material return blower algorithmic controller reduces the He of material return blower 201
The output frequency of standby material return blower 202, or the control of material return blower control valve algorithmic controller reduce material return blower control valve
201V, standby material return blower control valve 202V aperture, or second loosen the control of air pipe control valve algorithmic controller and reduce the
Two loosen air pipe control valve 23V aperture, and the control of the second returning charge air pipe control valve algorithmic controller reduces the second returning charge gas
Pipe-line control valve 24V aperture.
When vaporizer pressure difference is less than the control of material return blower algorithmic controller, material return blower control valve algorithmic controller, second
When loosening the temperature setting pressure difference of air pipe control valve algorithmic controller, the second returning charge air pipe control valve algorithmic controller, return
Expect the output frequency of blower fan algorithmic controller control increase material return blower 201 and standby material return blower 202, or material return blower control
Valve algorithmic controller control increase material return blower control valve 201V, standby material return blower control valve 202V aperture, or the second pine
Pipe-line control valve algorithmic controller of taking offence control increase by second loosens air pipe control valve 23V aperture, the second returning charge air pipe
The second returning charge air pipe control valve 24V of control valve algorithmic controller control increase aperture.
First vaporizer gas piping 131, the second vaporizer gas piping 132, the second air compartment gas piping 142 are gasifying
It is that vapor either oxygen or air are provided in vaporizer or air compartment during the gasified bio-matter of room.When vaporizer is stopped transport, pass through
First vaporizer gas piping 131, the second vaporizer gas piping 132, the second air compartment gas piping 142 are to vaporizer or air compartment
Purged, gas used in purging can be air or nitrogen or inert gas.
In vaporizer gasified bio-matter, gasification room temperature is higher than vaporizer gas algorithmic controller, the second air compartment gas
During the temperature given threshold of algorithmic controller, the control of vaporizer gas algorithmic controller reduces the control of the first vaporizer gas piping
Valve 131V or the second vaporizer control valve for gas pipeline 132V aperture, or the control of the second air compartment gas algorithmic controller reduce the
Two air compartment control valve for gas pipeline 142V.
To sum up, the control system of biomass gasification device of the invention at least has the following advantages that:
In the control system of the biomass gasification device of the present invention, biomass conveyer algorithmic controller is used in combustion gas
When calorific value is less than the given threshold of biomass conveyer algorithmic controller, biomass conveyer algorithmic controller control biomass is defeated
The increase of machine power output is sent, when fuel gases calorific value is higher than the given threshold of biomass conveyer algorithmic controller, biomass conveying
Machine algorithmic controller control biomass conveyer power output reduces, and it is defeated to change regulation biomass according to the calorific value of biological fuel gas
Machine is sent, so as to ensure that the calorific value of biological fuel gas is stable, i.e., the production capacity of biological fuel gas is stable.
More than, only it is presently preferred embodiments of the present invention, any formal limitation not is made to the present invention, although this
Invention is taken off Lou as above with preferred embodiment, but is not limited to the present invention, any person skilled in the art,
Do not depart from the range of technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to equivalent
The equivalent embodiment of change, as long as being without departing from technical solution of the present invention content, the technical spirit according to the present invention is real to more than
Any simple modification, equivalent variations and the modification that example made are applied, in the range of still falling within technical solution of the present invention.
Claims (9)
1. a kind of control system of biomass gasification device, including vaporizer, the vaporizer have biomass conveyer, it is special
Sign is that the control system of the biomass gasification device also includes calorific value collecting unit, and the calorific value collecting unit is used to adopt
Collect the calorific value of the biological fuel gas of biomass gasification device gasification, the biomass conveyer be connected with speed change driver and
Biomass conveyer algorithmic controller, biomass conveyer algorithmic controller are connected with calorific value collecting unit and obtain its collection
Fuel gases calorific value information；
The biomass conveyer algorithmic controller is used in fuel gases calorific value less than the biomass conveyer algorithmic controller
During given threshold, the biomass conveyer algorithmic controller controls the biomass conveyer power output increase, in combustion gas
When calorific value is higher than the given threshold of the biomass conveyer algorithmic controller, the biomass conveyer algorithmic controller control
The biomass conveyer power output reduces；The biomass gasification device also includes gas booster fan, the biomass
The gas booster fan of gasification installation is connected with gas booster fan algorithmic controller, the gas booster fan algorithmic controller
For obtaining vaporizer pressure information, the frequency of vaporizer air blower or air quantity information, when vaporizer air pressure is higher than the combustion gas
During the given threshold of booster fan algorithmic controller, the gas booster fan algorithmic controller controls the gas booster fan
Power increase, when vaporizer air pressure is less than the given threshold of the gas booster fan algorithmic controller, the gas booster
Blower fan algorithmic controller controls the gas booster fan power to reduce；
The gas booster fan algorithmic controller obtains frequency or the air quantity change of vaporizer air blower, according to vaporizer air blast
The frequency or air quantity of machine increase and increase power output, and the frequency or air quantity of the vaporizer air blower reduce and reduce output work
Rate.
2. the control system of biomass gasification device according to claim 1, it is characterised in that：The biogas makeup
Putting also includes vaporizer air blower, and the vaporizer air blower algorithmic controller of the vaporizer air blower connection obtains gasification room temperature
Spend information；
The vaporizer air blower algorithmic controller is higher than the temperature of the vaporizer air blower algorithmic controller in gasification room temperature
When spending given threshold, the vaporizer air blower algorithmic controller control vaporizer air blower reduces power output, the gasification
Room air blower algorithmic controller gasify room temperature be less than the vaporizer air blower algorithmic controller temperature given threshold when,
The vaporizer air blower algorithmic controller controls the vaporizer air blower increase power output.
3. the control system of biomass gasification device according to claim 1, it is characterised in that：The vaporizer is connected with
Add sand machine, the connection of described plus sand machine adds sand machine algorithmic controller to obtain bed pressure information, when bed is forced down in described plus sand machine algorithm
During the bed pressure given threshold of controller, the control of described plus sand machine algorithmic controller is described to add the work of sand machine.
4. the control system of biomass gasification device according to claim 1, it is characterised in that：The vaporizer is provided with row
Slag pipe, the scum pipe are provided with slagging coutrol valve, and the slagging coutrol valve is connected with deslagging algorithmic controller, the deslagging algorithm
Controller obtains bed pressure information, when bed pressure presses given threshold higher than the bed of the deslagging algorithmic controller, the deslagging algorithm
Controller controls the slagging coutrol valve to open.
5. the control system of biomass gasification device according to claim 1, it is characterised in that：The biogas makeup
The control system put also includes cooler, and the cooler is used for the biomass fuel for cooling down the gasification of the biomass gasification device
Gas, the cooler are connected with cooling device, and the control system of the biomass gasification device, which is provided with, to be used to gather through described cold
But the fuel gas temperature after device cooling, after the cooling device algorithmic controller acquisition cooler cooling of the cooling device connection
Fuel gas temperature information, when fuel gas temperature be higher than the cooling device algorithmic controller temperature given threshold when, the cooling
Device algorithm controller controls the cooling device increase power output, when fuel gas temperature controls less than the cooling device algorithm
During the temperature given threshold of device, the cooling device algorithmic controller controls the cooling device to reduce power output.
6. the control system of biomass gasification device according to claim 1, it is characterised in that：The vaporizer air blower
Algorithmic controller also obtains bed pressure information, and the vaporizer air blower algorithmic controller is less than the vaporizer air blower in bed pressure
During the bed pressure given threshold of algorithmic controller, the vaporizer air blower algorithmic controller controls the vaporizer air blower increase
Power output.
7. the control system of biomass gasification device according to claim 1, it is characterised in that：The biogas makeup
The control system put also includes gas leakage detector, and for detect biological fuel gas carbon monoxide content collecting unit,
The collecting unit of oxygen content, the collecting unit of oxygen content, the collecting unit of carbon monoxide content, gas leakage detector are with diffusing
Controller connects, and the controller that diffuses is also associated with diffusing branch pipe control valve, when gas leakage or the carbon monoxide of combustion gas contain
Amount less than diffuse controller carbon monoxide given threshold when or combustion gas oxygen content be higher than diffuse controller oxygen content setting
Diffused described in during threshold value and the unlatching of branch pipe control valve is diffused described in controller control, the controller that diffuses sends alarm signal；
The gas leakage detector is arranged near the biomass gasification device, and the biomass gasification device is used to examine
Whether the biological fuel gas for surveying the biomass gasification device gasification leaks.
8. the control system of biomass gasification device according to claim 1, it is characterised in that：The biogas makeup
The control system put also includes separator, and the separator lower end is provided with separator standpipe, and the separator lower riser end is with unloading
Apparatus for ash connects, and is provided with separator standpipe air pressure acquisition unit in the separator standpipe, the ash-discharging device separates with described
Device standpipe air pressure acquisition unit, the connection of ash-discharging device algorithmic controller, the gas at the separator standpipe air pressure acquisition unit
Force down when the air pressure setting value of the ash-discharging device algorithmic controller, ash is unloaded described in the ash-discharging device algorithmic controller control
Device work or the power output for increasing the ash-discharging device, the air pressure at the separator standpipe air pressure acquisition unit are higher than
During the air pressure setting value of the ash-discharging device algorithmic controller, the ash-discharging device algorithmic controller controls the ash-discharging device to stop
Only work or reduce the power output of the ash-discharging device.
9. the control system of biomass gasification device according to claim 1, it is characterised in that：The biogas makeup
The control system put also includes material returning device, and the material returning device lower end is provided with material returning device standpipe, loosens room and returning charge room, the returning charge
Device standpipe is provided with material returning device standpipe air pressure acquisition unit；
The loosening room is connected with loosening air pipe line, the returning charge room is connected with returning charge air pipe line, and/or loosening room connection
There are loosening air pipe, the returning charge room to be connected with returning charge air pipe；
The loosening air pipe line and the returning charge air pipe line are connected with material return blower, and the air outlet of the material return blower is provided with returning charge
Air-blower control valve, the loosening air pipe is provided with loosening air pipe control valve, the returning charge air pipe is provided with returning charge air pipe control
Valve processed；
The material return blower is connected with material return blower algorithmic controller, material return blower control valve is connected with the calculation of material return blower control valve
Method controller, loosen air pipe control valve and be connected with loosening air pipe control valve algorithmic controller, returning charge air pipe control valve connects
It is connected to and loosens air pipe control valve algorithmic controller, described material return blower algorithmic controller, material return blower control valve algorithm control
Device processed, loosen air pipe control valve algorithmic controller, loosen air pipe control valve algorithmic controller obtain vaporizer temperature information,
Material returning device standpipe pressure information, vaporizer differential pressure information；
When grey position grey in material returning device standpipe is too high, the material return blower algorithmic controller control increases the material return blower
Output frequency；Or the material return blower control valve algorithmic controller control increases the aperture of the material return blower control valve；Or institute
State and loosen the air pipe control valve algorithmic controller control increase aperture for loosening air pipe control valve, the returning charge air pipe
The control of control valve algorithmic controller increases the aperture of the returning charge air pipe control valve；
When gasification room temperature is less than material return blower algorithmic controller control, material return blower control valve algorithmic controller, loosening
Air pipe control valve algorithmic controller, the second returning charge air pipe control valve algorithmic controller temperature given threshold when, it is described to return
Expect that the control of blower fan algorithmic controller reduces the output frequency of the material return blower；Or the material return blower control valve algorithmic controller
Control reduces the aperture of the material return blower control valve；Or described in the loosening air pipe control valve algorithmic controller control reduction
The aperture of air pipe control valve is loosened, the returning charge air pipe control valve algorithmic controller control reduces the returning charge air pipe control
The aperture of valve processed；
When gasification room temperature is higher than material return blower algorithmic controller control, material return blower control valve algorithmic controller, loosening
Air pipe control valve algorithmic controller, the second returning charge air pipe control valve algorithmic controller temperature given threshold when, it is described to return
Expect that the control of blower fan algorithmic controller increases the output frequency of the material return blower；Or the material return blower control valve algorithmic controller
Control increases the aperture of the material return blower control valve；Or described in the loosening air pipe control valve algorithmic controller control increase
The aperture of air pipe control valve is loosened, the returning charge air pipe control valve algorithmic controller control increases the returning charge air pipe control
The aperture of valve processed；
When vaporizer pressure difference is higher than the control of material return blower algorithmic controller, material return blower control valve algorithmic controller, loosening tracheae
Road control valve algorithmic controller, returning charge air pipe control valve algorithmic controller draught head given threshold when, the material return blower
Algorithmic controller control reduces the output frequency of the material return blower；Or the material return blower control valve algorithmic controller control subtracts
The aperture of the small material return blower control valve；Or the loosening air pipe control valve algorithmic controller control reduces the loosening gas
The aperture of pipe-line control valve, the returning charge air pipe control valve algorithmic controller control reduce the returning charge air pipe control valve
Aperture；
When vaporizer pressure difference is less than the control of material return blower algorithmic controller, material return blower control valve algorithmic controller, loosening tracheae
Road control valve algorithmic controller, returning charge air pipe control valve algorithmic controller draught head given threshold when, the material return blower
Algorithmic controller control increases the output frequency of the material return blower；Or the material return blower control valve algorithmic controller control increases
Add the aperture of the material return blower control valve；Or the loosening air pipe control valve algorithmic controller control increases the loosening gas
The aperture of pipe-line control valve, the returning charge air pipe control valve algorithmic controller control increase the returning charge air pipe control valve
Aperture.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610540257 | 2016-07-11 | ||
| CN2016105402575 | 2016-07-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106168819A CN106168819A (en) | 2016-11-30 |
| CN106168819B true CN106168819B (en) | 2018-02-06 |
Family
ID=57206618
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610572149.6A Active CN106168819B (en) | 2016-07-11 | 2016-07-20 | A kind of control system of biomass gasification device |
| CN201610574568.3A Withdrawn CN106065341A (en) | 2016-07-11 | 2016-07-20 | A kind of biomass gasification burning induction system |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610574568.3A Withdrawn CN106065341A (en) | 2016-07-11 | 2016-07-20 | A kind of biomass gasification burning induction system |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN106168819B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107189823A (en) * | 2017-07-31 | 2017-09-22 | 陕西延长石油（集团）有限责任公司 | A kind of online sanding device of high circulation multiplying power fluidized-bed gasification furnace and sand adding method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202532453U (en) * | 2012-03-26 | 2012-11-14 | 云南腾众新能源科技有限公司 | Boiler thermodynamic system taking biomass particles as fuels |
| CN102927588B (en) * | 2012-11-13 | 2015-08-19 | 武汉凯迪电力工程有限公司 | Boiler biomass fuel accurate control method |
| US20140283439A1 (en) * | 2013-03-21 | 2014-09-25 | Syngas Technology, Llc | Pretreatment of Biomass Feed for Gasification |
| ES2832742T3 (en) * | 2014-12-15 | 2021-06-11 | Haldor Topsoe As | Process and system for regeneration of a tar reformer catalyst |
| CN105694984A (en) * | 2016-04-06 | 2016-06-22 | 杭州燃油锅炉有限公司 | Biomass gasifying device |
-
2016
- 2016-07-20 CN CN201610572149.6A patent/CN106168819B/en active Active
- 2016-07-20 CN CN201610574568.3A patent/CN106065341A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CN106065341A (en) | 2016-11-02 |
| CN106168819A (en) | 2016-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105779683B (en) | Converter gas recovery system and recovery method | |
| CN203960143U (en) | Utilize the biomass gasifying furnace of furnace sandwich structure decoking | |
| CN105779684B (en) | Converter gas recovery system and recovery method thereof | |
| CN104087342A (en) | Biomass gasification furnace capable of decoking by utilizing furnace body sandwich structure | |
| CN106168819B (en) | A kind of control system of biomass gasification device | |
| Liu et al. | Insights into the effect of particle size on coal char particle gasification by thermogravimetric analyzer and high temperature stage microscope | |
| CN103509605B (en) | Method and device using high temperature air and high temperature steam as gasification agents for coal gas production | |
| CN103525465B (en) | Coal gas production method and device using high-temperature rich oxygen and high temperature steam as gasification agent | |
| CN207072928U (en) | One kind pyrolysis and gasification decoupling gasification furnace | |
| US20160200991A1 (en) | Process and plant for at least partial gasification of solid organic feed material | |
| US20140271397A1 (en) | Systems and methods for slurry preheating | |
| CN104194834B (en) | A kind of biomass pyrolytic and biomass pyrogenation gasification are learned the device of chain hydrogen manufacturing | |
| CN207330862U (en) | Produce the gasification system that methane thermal is vented one's spleen with synthesis gas at the same time | |
| JP2009126882A (en) | Furnace installation | |
| CN201059608Y (en) | Tar self-heating catalyze cleavage biomass gas producing furnace | |
| CN204529764U (en) | A kind of biogas fluidized bed gasification producing synthesis gas small test device | |
| CN105694984A (en) | Biomass gasifying device | |
| CN205710620U (en) | A kind of biomass gasification device | |
| CN201737908U (en) | Biomass energy balance process control system | |
| CN2652933Y (en) | Biotic mass gasifying gas generating furnace | |
| CN113214876A (en) | Control method of pyrolysis gasification system | |
| CN204385145U (en) | A kind of device for drawing coal gas in the middle part of vapourizing furnace | |
| CN104789269A (en) | Small test device for preparation of synthetic gas by entrained-flow bed gasification | |
| KR101655844B1 (en) | The Pyrolysis gasification of draft up Type Non a fluidized medium | |
| CN205528625U (en) | Reactor of production synthetic gas of sediment rate is caught to height |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Hangzhou City, Zhejiang province 311115 Pingyao Town, Yuhang District of Guangzhou Road No. 1 Applicant after: Hangzhou environmental protection Polytron Technologies Inc Address before: Hangzhou City, Zhejiang province 311115 Pingyao Town, Yuhang District of Guangzhou Road No. 1 Applicant before: Hangzhou Juneng Boiler Co., Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190618 Address after: 311115 Room 203, Building 525 Dengyun Road, Gongshu District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Liangte Boiler Equipment Co., Ltd. Address before: 311115 No. 1 Yangcheng Road, Pingyao Town, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou environmental protection Polytron Technologies Inc |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190902 Address after: 310002 Room 601, 1 Hangzhou Xintiandi business center, Xiacheng District, Hangzhou, Zhejiang Patentee after: Hangzhou Oberman Environmental Protection Technology Co., Ltd. Address before: 311115 Room 203, Building 525 Dengyun Road, Gongshu District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Liangte Boiler Equipment Co., Ltd. |
|
| TR01 | Transfer of patent right |