CN108102722A - A kind of polymorphic type preparation of fuel process based on solar energy gasification reaction - Google Patents
A kind of polymorphic type preparation of fuel process based on solar energy gasification reaction Download PDFInfo
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- CN108102722A CN108102722A CN201711317346.4A CN201711317346A CN108102722A CN 108102722 A CN108102722 A CN 108102722A CN 201711317346 A CN201711317346 A CN 201711317346A CN 108102722 A CN108102722 A CN 108102722A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/723—Controlling or regulating the gasification process
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0953—Gasifying agents
- C10J2300/0973—Water
- C10J2300/0976—Water as steam
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/12—Heating the gasifier
- C10J2300/1284—Heating the gasifier by renewable energy, e.g. solar energy, photovoltaic cells, wind
- C10J2300/1292—Heating the gasifier by renewable energy, e.g. solar energy, photovoltaic cells, wind mSolar energy
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
- C10J2300/1861—Heat exchange between at least two process streams
- C10J2300/1884—Heat exchange between at least two process streams with one stream being synthesis gas
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
- C10J2300/1861—Heat exchange between at least two process streams
- C10J2300/1892—Heat exchange between at least two process streams with one stream being water/steam
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/133—Renewable energy sources, e.g. sunlight
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- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Industrial Gases (AREA)
Abstract
The invention belongs to Solar use correlative technology field, and a kind of polymorphic type preparation of fuel process based on solar energy gasification reaction is disclosed, including：Carbonaceous material is inserted in solar energy gasification reaction system, gasification reaction is performed as gasifying agent using vapor；Heat exchange is performed to gasification product, reduces separation and removal CO2Deng operation；Detect its component and key parameter in real time according to classification to gasification product, while Real-time Feedback adjusts to obtain required target product.Pass through the present invention, polytype gaseous product can not only be obtained, and the component and feature of these gaseous products can be performed in a manner of high-responsivity and convenient for manipulation and be adjusted flexibly, be provided simultaneously with the features such as high quality, high efficiency, adaptability are good, and efficiently solve solar energy storage and transport, a variety of carbonaceous materials efficient and high value added utilization the problems such as.
Description
Technical field
The invention belongs to Solar use correlative technology fields, and solar energy gasification reaction is based on more particularly, to one kind
Polymorphic type preparation of fuel process.
Background technology
Under the background of global warming and energy crisis, solar energy because its is renewable, widely distributed, reserves are huge,
It is especially taken seriously using simple.Since solar energy belongs to radiation energy, there is instantaneity, can not ensure that solar energy is held
It is continuous steadily to export.The shortcomings that in order to overcome the instantaneity of solar energy, solar utilization technique generally require to take with energy storage device
With use.Current solar energy storage technology, which is concentrated mainly on, meets electricity needs, and efficiency and reserves are limited by battery technology
Development, be difficult to make a breakthrough in a short time, it is therefore desirable to find new and effective solar energy storage technology.
So-called solar energy gasification technology is the incident intensity that the sun is improved by concentrator, it is possible to provide about 2000 DEG C of height
Temperature, driving carbonaceous material generation high-temperature gasification reaction, the high-grade synthesis gas that generation calorific value is high, tar content is low are corresponding to cause
Solar energy is stored in the form of chemical energy.Some solutions have been proposed in the prior art, it is desired to be able to be use up
Possible high solar conversion efficiency.For example, CN201510303447.0 proposes a kind of solar energy high temperature heat chemistry gasified reverse
Device is answered, wherein by the transformation constructed to inside reactor, can more efficiently utilize Driven by Solar Energy coal and biomass etc.
Solid hydrocarbon fuel carries out gasification reaction, realizes conversion of the solar energy to high-quality synthesis gas；For another example, CN201610227261.6
A kind of middle low-temperature solar energy-gasification of biomass polygenerations systeme is proposed, wherein by carrying out ladder to system difference quality energy
Grade utilizes, and achievees the purpose that offer energy utilization efficiency is high.
However, further investigations have shown that, the prior art there are still it is following the defects of or deficiency：First, these solar energy
Gasification technology can only prepare the synthesis gas product of single features, but ignore synthesis gas and possess transport fuel, extraction hydrogen, prepare
The multiple uses such as heavy chemicals accordingly cause the utilization rate of carbonaceous material and solar energy in terms of the product type angle finally obtained
Deficiency especially can not accurately, easily adjust target product and its feature according to operating mode needs, can not meet social production
In the energy that becomes more diverse and non-energy demand；Secondly, above scheme often more pays close attention to the calorific value of synthesis gas, but to synthesis gas
High value added utilization mode study deficiency, thus significantly limit solar energy and carbonaceous material high-grade and utilize.Correspondingly,
This field is there is an urgent need for making further improvement, to conform better to the applied field that gasifies in modernization large-scale production process to solar energy
The higher demand of conjunction.
The content of the invention
For the above shortcoming and Improvement requirement of the prior art, the present invention provides one kind to be based on solar energy gasified reverse
The polymorphic type preparation of fuel process answered, wherein by entire reaction process especially real-time measure and control step etc.
Targeted design and adjustment are carried out, can not only accordingly obtain polytype gaseous product, and the group of these gaseous products
Divide and feature can be performed in a manner of high-responsivity and convenient for manipulation and is adjusted flexibly, be provided simultaneously with high quality, high efficiency, adaptation
The features such as property is good, and efficiently solve the storage of solar energy and transport, the efficient and high value added utilization etc. of a variety of carbonaceous materials
Problem.
To achieve the above object, it is proposed, according to the invention, provide a kind of polymorphic type fuel system based on solar energy gasification reaction
Standby process, which is characterized in that this method comprises the following steps：
(a) carbonaceous material is inserted in solar energy gasification reaction system, adjusts solar radiation intensity and reach predetermined gas
Change reaction temperature, while suitable vapor is passed through using steam generator, gas occurs under the conditions of certain pressure intensity for carbonaceous material
Change reaction, and obtain the gaseous product for being contaminated with vapor；
(b) steam generator continues to be passed through vapor, and heat exchange is carried out in heat exchanger with gasification product, and is caused
The temperature of gaseous product is minimized, until the gaseous product of the isolated drying of Water vapor condensation；Then, CO is made2From gas
It is separated in product, it is corresponding to improve CH in gaseous product4、H2With the content of CO；
(c) target product in gaseous product is set as high heating value gaseous fuel, hydrogen-rich gas and high-grade synthesis gas
Three classes, wherein high heating value gaseous fuel are that Lower heat value is higher than 14.0MJ/Nm3Fuel gas, hydrogen-rich gas is hydrogen ratio
Gas more than 85%, high-grade synthesis gas are H2/ CO is higher than 2 gas；Gaseous product is detected in real time according to more than classification
Its gas component and parameter, and the signal detected is fed back into control system；
(d) control system is right according to the component and parameter differences between real gas product and object gas product
Step (a) includes the progress of the conditions such as mass ratio and the gasification reaction pressure of gasification reaction temperature, vapor and carbonaceous material
Real-time closed-loop is adjusted, thus final to obtain required target product.
As it is further preferred that in step (a), the carbonaceous material includes one kind or combination in following substance：
Coal, biomass, petroleum coke, domestic waste etc..
As it is further preferred that in step (a), the vapor be passed through rate be preferably set to 0.5L/min~
5L/min, further preferably 1.5L/min~3L/min.
As it is further preferred that in step (b), it is preferred to use spiral-plate heat exchanger produces to perform vapor with gasification
Heat exchange between object, and the temperature of gaseous product is preferably reduced using water-cooled cooler.
As it is further preferred that in step (b), it is preferred to use modify pressure-variable adsorption of the hydrotalcite as adsorbent using potassium
System separates CO2, and removal rate is set as more than 90%.
As it is further preferred that the control system is preferably provided with three kinds of operating modes namely value heat fuel work
Pattern, hydrogen-rich gas operating mode and high-grade synthesis gas operating mode, and each operating mode is each preset with different temperature
The parameter values such as degree, pressure and vapor flow, and pass through and these parameter values are sent to corresponding temperature control modules, pressure control
Molding block and vapor flow control module adjust process selectively to perform the real-time closed-loop；In addition, the temperature control
Preferably using PID control, the pressure control module, vapor flow control module are preferably controlled module using PI.
As it is further preferred that for the temperature control modules, it is preferably turned by radiant-energy thermometer, modulus
The closed loop control module of parallel operation, temperature controller and servomotor composition；The temperature signal that wherein radiant-energy thermometer measures is by counting
Mode converter is converted to digital signal input temp controller, and controller controls servomotor tune according to the target temperature set
Whole grid aperture ensures that actual temperature and design temperature difference are in the range of ± 5 DEG C in reactor.
As it is further preferred that for pressure control module, it is by pressure sensor, analog-digital converter, pressure
Force controller and solenoid valve block into closed loop control module；The pressure signal that wherein pressure sensor measures is turned by analog-digital converter
Digital signal input pressure controller is changed to, pressure controller ensures anti-according to the aperture of the pressure duty control solenoid valve of setting
Actual pressure and set pressure differential value are answered in device in the range of ± 5kPa.
As it is further preferred that for the vapor flow control module, it is by flowmeter, analog-to-digital conversion
Device, flow controller and solenoid valve block into closed loop control module；The flow signal that wherein flow measuring unit measures is by analog-digital converter
Digital signal input flow rate controller is converted to, flow controller controls electromagnetism valve opening according to the range of flow of setting, ensures
The actual vapor flow of input reactor is with setting flow difference in the range of ± 0.1L/min.
As it is further preferred that under the value heat fuel operating mode, inputted by on-line gas analysis instrument
Signal is set to gas heating value；Under the hydrogen-rich gas operating mode, set by the signal that on-line gas analysis instrument inputs
It is set to hydrogen ratio；And under the high-grade synthesis gas operating mode, the signal inputted by on-line gas analysis instrument is set
For the ratio of hydrogen and carbon monoxide；It is run upon power-up of the system with minimum parameter, if the measured value of on-line gas analysis does not reach
To desired value, then operating parameter is progressively improved automatically in setting range, until obtaining desired gaseous product.
As it is further preferred that the temperature control system preferably uses PID control, wherein P, I, D is further preferred
Respectively 40,5 and 0.7；The pressure control module is preferably controlled using PI, and wherein P, I are further preferably respectively 50 and
1.7；The vapor flow control module is preferably controlled using PI, and wherein P, I are further preferably respectively 70 and 0.5.
In general, by the above technical scheme conceived by the present invention compared with prior art, by entire technique
The committed step of route carries out that, for Journal of Sex Research and design, not only acquisition multiple types can be adjusted in real time according to operating mode actual needs
The gasification product of type, and vapor can significantly reduce the impurity in the gasification product finally obtained as the mode of gasifying agent；
In addition, the process can realize the efficient portrait storage to solar energy, raw material wide adaptation range, gasification residual are provided simultaneously with
Object is only that carbonaceous material a small amount of ash content in itself and product are various, using it is flexible the features such as, be therefore particularly suitable for industrializing
The solar energy vaporising fuel application and preparation occasion of large-scale production.
Description of the drawings
Fig. 1 is the process flow chart according to the polymorphic type fuel process constructed by the preferred embodiment for the present invention；
Fig. 2 is temperature-parametric plot of the exemplary hydrogen-rich gas being shown as obtained by the present invention；
Fig. 3 is temperature-parametric plot of the exemplary high-grade synthesis gas being shown as obtained by the present invention.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Conflict is not formed each other to can be combined with each other.
Fig. 1 is the process flow chart according to the polymorphic type fuel process constructed by the present invention.As shown in Figure 1, the work
Process mainly includes solar energy gasification reaction, heat exchange, reduces separation, removal CO2Deng operation；Additionally specifically for multiclass
The preparation requirement of type fuel devises corresponding target product classification of type, the in real time behaviour such as detection and real-time closed-loop feedback control
Make.Below specific explanations explanation will be carried out one by one to these steps.
First, all kinds of widely available carbonaceous materials are inserted in solar energy gasification reaction system, carbonaceous material include but
The one or more being not limited in coal, biomass, petroleum coke, domestic waste, granular size are unlimited；Then adjust too
Positive energy radiation intensity reaches predetermined gasification reaction temperature (for example 1000K~1150K), while it is suitable that steam generator is used to be passed through
As gasifying agent, the gasification reaction of 1min~5min for example occurs the vapor of amount under the conditions of certain pressure intensity for carbonaceous material, and
Obtain the gaseous product for being contaminated with vapor.In this step, as one of key reaction condition, vapor to be passed through rate excellent
Choosing is set as 0.5L/min~5L/min, further preferably 1.5L/min~3L/min；By this method, more actual test
Show that the few gasification product of impurity can be obtained, and facilitate carry out subsequent processing.
Then, steam generator continues to be passed through vapor, and heat exchange is carried out in heat exchanger with gasification product, and makes to bring about the desired sensation
The temperature of body product is minimized, until the gaseous product of the isolated drying of Water vapor condensation；Then, CO is made2It is produced from gas
It is separated in object, it is corresponding to improve CH in gaseous product4、H2With the content of CO.
More specifically, a preferred embodiment according to the invention, can be used spiral-plate heat exchanger to perform vapor
Heat exchange between gasification product, and water-cooled cooler can be used to reduce the temperature of gaseous product.In addition, in view of separation
CO2Effect directly influences the on-line checking precision in later stage, and by more contrast test, one according to the invention preferred real
Mode is applied, uses and pressure swing adsorption system separation CO of the hydrotalcite as adsorbent is modified using potassium2, and removal rate be set as 90% with
On.
Then, one of key improvements as the present invention, combine closely more than reaction system and actual condition demand, this
The target product in gaseous product is set as high heating value gaseous fuel, hydrogen-rich gas and high-grade synthesis gas three classes in invention,
Wherein high heating value gaseous fuel is that Lower heat value is higher than 14.0MJ/Nm3Fuel gas, hydrogen-rich gas is that hydrogen ratio is more than
85% gas, high-grade synthesis gas are H2/ CO is higher than 2 gas；And gaseous product is detected in real time according to more than classification
Then the signal detected is fed back to control system by its gas component and parameter.
Finally, the control system is according to the component and parameter differences between real gas product and object gas product,
Include the conditions such as mass ratio and the gasification reaction pressure of gasification reaction temperature, vapor and carbonaceous material to above step
Real-time closed-loop adjusting is carried out, it is thus final to obtain required target product.
More specifically, another key improvements as the present invention, specially carry out closed loop adjustment module and its control algolithm
Curve guide impeller.Wherein, whole system is started with minimum operation parameter, according to the measured value of on-line gas analysis instrument, progressively from
It is dynamic to improve operating parameter.Parameter adjustment priority is temperature, vapor flow, pressure.Running temperature reaches highest operation temperature
When spending, stop raising temperature and switch to improve vapor flow.When the adjustment of vapor flow reaches capacity, then operating pressure is carried
High 0.5bar is continued to run with.If still cannot get target product, control system maintains pressure and vapor flow constant, by temperature
Degree reduces by 50 DEG C of operations, is simultaneously emitted by " run-time error " and alerts and attempt with parameter current restarting systems.
The technical process of the present invention and product are more clearly illustrated below with reference to two specific embodiments.
Embodiment 1
S1：Lignite is added in solar energy reactor；
S2：Adjust focused solar energy radiation intensity and reach reaction temperature (950~1050K), pressure stabilization in 10 ± 1bar,
Vapor is passed through with 0.5~1.5L/min rates in solar energy reactor, gasification reaction occurs for carbonaceous material, and the reaction time is
1~5min；
S3：The vapor generated in steam generator carries out heat exchange with gaseous product in heat exchanger, further improves
Steam temperature reduces gaseous product temperature simultaneously, convenient for subsequent processing；
S4：Cooling gas product so that Water vapor condensation is separated with remaining ingredient, obtains dry gaseous product；
S5：CO is made by pressure-variable adsorption2It is separated from gaseous product, improves CH in gaseous product4、H2With the content of CO；
S6:：Real-time gas component is detected by online flue gas analyzer, the signal monitored is returned into decentralised control system
It unites (DCS)；
S7：According to target product and the component difference of real gas product, controlling reaction temperature, vapor lead to control system
Enter rate and pressure real-time adjusting control object gas production concentration and yield in setting range, obtaining calorific value is
14.06~17.52MJ/Nm3Gaseous product, i.e., desired high heating value gaseous fuel.
Embodiment 2
S1：Lignite is added in solar energy reactor；
S2：Adjust focused solar energy radiation intensity and reach reaction temperature (900~1000K), pressure stabilization 1 ±
Vapor is passed through with 4~5L/min rates in solar energy reactor by 0.1bar, and gasification reaction occurs for carbonaceous material, during reaction
Between be 1~5min；
S3：The vapor generated in steam generator carries out heat exchange with gaseous product in heat exchanger, further improves
Steam temperature reduces gaseous product temperature simultaneously, convenient for subsequent processing；
S4：Cooling gas product so that Water vapor condensation is separated with remaining ingredient, obtains dry gaseous product；
S5：CO is made by pressure-variable adsorption2It is separated from gaseous product, improves CH in gaseous product4、H2With the content of CO；
S6:：Real-time gas component is detected by online flue gas analyzer, the signal monitored is returned into decentralised control system
It unites (DCS)；
S7：According to target product and the component difference of real gas product, controlling reaction temperature, vapor lead to control system
Enter rate and pressure real-time adjusting control object gas production concentration and yield in setting range, obtain H as shown in Figure 22
The content gaseous product that accurately control is 87.30~90.77%, i.e. hydrogen-rich gas.
Embodiment 3
S1：Lignite is added in solar energy reactor；
S2：Adjust focused solar energy radiation intensity and reach reaction temperature (1000~1150K), pressure stabilization 1 ±
Vapor is passed through with 2~3.5L/min rates in solar energy reactor by 0.1bar, and gasification reaction, reaction occur for carbonaceous material
Time is 1~5min；
S3：The vapor generated in steam generator carries out heat exchange with gaseous product in heat exchanger, further improves
Steam temperature reduces gaseous product temperature simultaneously, convenient for subsequent processing；
S4：Cooling gas product so that Water vapor condensation is separated with remaining ingredient, obtains dry gaseous product；
S5：CO is made by pressure-variable adsorption2It is separated from gaseous product, improves CH in gaseous product4、H2With the content of CO；
S6:：Real-time gas component is detected by online flue gas analyzer, the signal monitored is returned into decentralised control system
It unites (DCS)；
S7：According to target product and the component difference of real gas product, controlling reaction temperature, vapor lead to control system
Enter rate and pressure real-time adjusting control object gas production concentration and yield in setting range, obtain H2/ CO values are
2.08~4.33 gaseous product, i.e. high-grade synthesis gas.
To sum up, the present invention compared with existing scheme, can in order to manipulate, the mode of high quality and high efficiency use solar energy
Heat is provided for gasification reaction, realizes the efficient chemical storage of solar energy；Wherein made by using carbonaceous material gasification product
For the storage medium of solar energy, mud coal, lignite, petroleum coke, rice husk, cotton stalk, maize straw, urban life rubbish can be used
A variety of carbonaceous materials such as rubbish, raw material wide adaptation range, and gasification residue are only carbonaceous material contained ash content in itself, are realized
The clean utilizations of a variety of carbon-containing energies；In addition, by using vapor as gasifying agent, impurity is few in gasification product, just
In carrying out subsequent processing to it.Generally, it is of the invention compared with current energy storage technology, have product various, using flexible
The advantages of, it can cross and meet diversified demand.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, all any modification, equivalent and improvement made within the spirit and principles of the invention etc., should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of polymorphic type preparation of fuel process based on solar energy gasification reaction, which is characterized in that under this method includes
Row step：
(a) carbonaceous material is inserted in solar energy gasification reaction system, adjusts solar radiation intensity and reach predetermined gasified reverse
Temperature is answered, while suitable vapor is passed through using steam generator, gasified reverse occurs under the conditions of certain pressure intensity for carbonaceous material
Should, and obtain the gaseous product for being contaminated with vapor；
(b) steam generator continues to be passed through vapor, and heat exchange is carried out in heat exchanger with gasification product, and causes gas
The temperature of product is minimized, until the gaseous product of the isolated drying of Water vapor condensation；Then, CO is made2From gaseous product
Middle separation, it is corresponding to improve CH in gaseous product4、H2With the content of CO；
(c) target product in gaseous product is set as high heating value gaseous fuel, hydrogen-rich gas and high-grade synthesis gas three classes,
Wherein high heating value gaseous fuel is that Lower heat value is higher than 14.0MJ/Nm3Fuel gas, hydrogen-rich gas is that hydrogen ratio is more than
85% gas, high-grade synthesis gas are H2/ CO is higher than 2 gas；Its gas is detected in real time to gaseous product according to more than classification
Body component and parameter, and the signal detected is fed back into control system；
(d) control system is according to the parameter differences between real gas product and object gas product, to bag in step (a)
It includes the conditions such as mass ratio and the gasification reaction pressure of gasification reaction temperature, vapor and carbonaceous material and carries out real-time closed-loop tune
Section, it is thus final to obtain required target product.
2. process as described in claim 1, which is characterized in that in step (a), the carbonaceous material includes following object
One kind or combination in matter：Coal, biomass, petroleum coke, domestic waste etc..
3. process as claimed in claim 1 or 2, which is characterized in that in step (a), the vapor is passed through speed
Rate is preferably set to 0.5L/min~5L/min, further preferably 1.5L/min~3L/min.
4. the process as described in claim 1-3 any one, which is characterized in that in step (b), it is preferred to use spiral
Sheet heat exchanger performs the heat exchange between vapor and gasification product, and preferably reduces gas production using water-cooled cooler
The temperature of object.
5. process as claimed in claim 4, which is characterized in that in step (b), it is preferred to use to modify neatly with potassium
Stone separates CO for the pressure swing adsorption system of adsorbent2, and removal rate is set as more than 90%.
6. the process as described in claim 1-5 any one, which is characterized in that in step (d), the control system
It is preferably provided with three kinds of operating modes namely value heat fuel operating mode, hydrogen-rich gas operating mode and high-grade synthesis gas work
Operation mode, and each operating mode is each preset with the parameter values such as different temperature, pressure and vapor flow, and pass through this
A little parameter values are sent to corresponding temperature control modules, pressure control module and vapor flow control module selectively to perform
The real-time closed-loop adjusts process；In addition, the temperature control modules are preferably using PID control, the pressure control module, water
Vapor flow rate control module is preferably controlled using PI.
7. process as claimed in claim 6, which is characterized in that for the temperature control modules, it is preferably
The closed loop control module being made of radiant-energy thermometer, analog-digital converter, temperature controller and servomotor；Wherein radiant-energy thermometer
The temperature signal measured is converted to digital signal input temp controller by digital analog converter, and controller is according to the target set
Temperature control servomotor adjustment grid aperture, ensures that actual temperature and design temperature difference are in the range of ± 5 DEG C in reactor.
8. process as claimed in claims 6 or 7, which is characterized in that for pressure control module, it is by pressure
Sensor, analog-digital converter, pressure controller and solenoid valve block into closed loop control module；The pressure that wherein pressure sensor measures
Force signal is converted to digital signal input pressure controller by analog-digital converter, and pressure controller is controlled according to the pressure value of setting
The aperture of solenoid valve ensures that actual pressure and set pressure differential value are in the range of ± 5kPa in reactor.
9. the process as described in claim 6-8 any one, which is characterized in that control mould for the vapor flow
For block, it be by flowmeter, analog-digital converter, flow controller and solenoid valve block into closed loop control module；Wherein flow
The flow signal that device measures is converted to digital signal input flow rate controller by analog-digital converter, and flow controller is according to setting
Range of flow controls electromagnetism valve opening, ensures the actual vapor flow of input reactor with setting flow difference in ± 0.1L/
In the range of min.
10. the process as described in claim 6-9 any one, which is characterized in that work in the value heat fuel
Under pattern, the signal inputted by on-line gas analysis instrument is set to gas heating value；Under the hydrogen-rich gas operating mode, by
The signal of on-line gas analysis instrument input is set to hydrogen ratio；And under the high-grade synthesis gas operating mode, by
The signal of line gas analyzer input is set to the ratio of hydrogen and carbon monoxide；It is transported upon power-up of the system with minimum parameter
Row if the measured value of on-line gas analysis is not up to desired value, progressively improves operating parameter automatically in setting range, until
Obtain desired gaseous product.
Priority Applications (1)
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| CN111826206A (en) * | 2019-04-15 | 2020-10-27 | 乔治洛德方法研究和开发液化空气有限公司 | Method for controlling slagging gasification process on line and equipment for gasification process |
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| CN101484861A (en) * | 2006-05-05 | 2009-07-15 | 普拉斯科能源Ip控股公司毕尔巴鄂-沙夫豪森分公司 | A gas homogenization system |
| CN101595439A (en) * | 2006-05-05 | 2009-12-02 | 普拉斯科能源Ip控股集团毕尔巴鄂沙夫豪森分公司 | Be used for carbon raw material is changed into the control system of gas |
| US20100242353A1 (en) * | 2009-06-09 | 2010-09-30 | Sundrop Fuels, Inc. | Systems and methods for biomass grinding and feeding |
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| CN101484861A (en) * | 2006-05-05 | 2009-07-15 | 普拉斯科能源Ip控股公司毕尔巴鄂-沙夫豪森分公司 | A gas homogenization system |
| CN101595439A (en) * | 2006-05-05 | 2009-12-02 | 普拉斯科能源Ip控股集团毕尔巴鄂沙夫豪森分公司 | Be used for carbon raw material is changed into the control system of gas |
| US20100242353A1 (en) * | 2009-06-09 | 2010-09-30 | Sundrop Fuels, Inc. | Systems and methods for biomass grinding and feeding |
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| CN111826206A (en) * | 2019-04-15 | 2020-10-27 | 乔治洛德方法研究和开发液化空气有限公司 | Method for controlling slagging gasification process on line and equipment for gasification process |
| CN111826206B (en) * | 2019-04-15 | 2024-05-14 | 乔治洛德方法研究和开发液化空气有限公司 | Method for on-line controlling slagging gasification process and equipment for gasification process |
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