CN205042874U - Thermal desorption device and thermal desorption repair system - Google Patents
Thermal desorption device and thermal desorption repair system Download PDFInfo
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- CN205042874U CN205042874U CN201520606663.8U CN201520606663U CN205042874U CN 205042874 U CN205042874 U CN 205042874U CN 201520606663 U CN201520606663 U CN 201520606663U CN 205042874 U CN205042874 U CN 205042874U
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Abstract
The utility model discloses a thermal desorption device and thermal desorption repair system, this thermal desorption device include slot type speculum and thermal -collecting tube, the thermal -collecting tube comprises inside outer sleeve pipe, intermediate casing and the inlayer sleeve pipe of wearing the cover in proper order of standing by as an outsider, outer sleeve pipe is transparent, is equipped with the vacuum interlayer between outer sleeve pipe and the intermediate casing, be heat exchanging area between intermediate casing and the inlayer sleeve pipe, heat exchanging area passes through external circulating pump of pipeline and oil furnace, inlayer sheathed tube inner space is the workspace. This thermal desorption repair system including the preprocessing device that connects gradually, feed arrangement and thermal desorption device, dust collector and vent gas treatment system in. The utility model discloses a soil is polluted in the device and the restoration of thermal desorption system can show the energy consumption that reduces soil thermal desorption process, reduces treatment cost, improves soil thermal desorption effect.
Description
Technical field
The utility model relates to technical field of soil remediation, particularly relates to thermal desorption device and thermal desorption repair system.
Background technology
Thermal desorption recovery technique is through directly heating or indirect and contaminated soil is heated to enough temperature, makes the process that the organic pollution contained by it is volatilized or is separated.Thermal desorption is the physical separating process of another phase by pollutant from a certain inversion of phases, can selectively make target contaminant volatilize by the temperature and residence time of material controlling thermal desorption system.
Thermal desorption recovery technique is generally divided into Low Temperature Thermal desorption technology (heating-up temperature is 150 ~ 315 DEG C) and high-temperature hot desorption technology (heating-up temperature is 315 ~ 540 DEG C) two classes.At present, many thermal desorption recovery projects have related to the pollutants such as benzene,toluene,xylene, ethylbenzene and TPH, and achieve good repairing effect.
Usually, thermal desorption recovery technique can be divided into two steps: one is the organic pollution volatilization that heating contaminated soil makes wherein; Two is the vent gas treatment after thermal desorption.Although thermal desorption recovery technique has that treatment effeciency is high, secondary pollution is little and the features such as soil can utilize after repairing, and also there is the problems such as operation energy consumption is high, processing cost is large.
Application publication number is that the utility application document of CN101712042A discloses a kind of directly pyrolysis device, this equipment comprises feed section, slave part, heating part, dust removal part, quench section, washing part and discharge unit, wherein, described heating part comprises a heating part and post bake part, described feed section and described slave part are all connected with a described heating part, described dust removal part comprises one-time dedusting part and final dusting part, described discharge unit comprises gas discharging apparatus and soil discharge device, described heating part successively successively with described one-time dedusting part, described post bake part, described quench section, described final dusting part, described washing part and described gas discharging apparatus are connected, a described heating part is also connected with described soil discharge device, described washing part is scrubbing tower, the end of described scrubbing tower is connected with described gas discharging apparatus.This equipment adopts direct mode of heating to carry out thermal desorption, and treating capacity is large, energy consumption is low, disposal cost is low, but heat source gas mixes mutually with the dusty gas volatilized, and increases the processing cost of follow-up tail gas.
Application publication number is that the utility application document of CN101780467A discloses a kind of indirect thermal desorption device, this equipment comprises feed section, slave part, heating part, dust removal part, wash cooling part, effluent purifying-recycling part, waste gas adsorption filtration part, discharge unit and monitor portion, wherein, feed section, slave part is connected with heating part, discharge unit is made up of gas discharging apparatus and soil discharge device, wash cooling part and wash cooling tower, effluent purifying-recycling part is connected with wash cooling tower, heating part successively with dust removal part, wash cooling tower, waste gas adsorption filtration part is connected, said modules is also connected with monitor portion respectively, waste gas adsorption filtration part is connected with the air unit in slave part.This equipment adopts double-layer back rotary kiln to carry out indirect to contaminated soil, although decrease vent gas treatment amount, system energy consumption is high and heat utilization efficiency is low.
There is the problems such as above-mentioned high energy consumption, high cost due to thermal desorption recovery technique, applying of this technology is limited by very large; Therefore, how reducing thermal desorption system operation energy consumption is current thermal desorption recovery technique problem demanding prompt solution.
Utility model content
The utility model provides a kind of thermal desorption device and thermal desorption repair system, adopts this device and thermal desorption system repairing polluted soil significantly can reduce the energy consumption of Soil Thermal desorption process, reduces processing cost, improves Soil Thermal desorption effect.
A kind of thermal desorption device, comprise slot type speculum and thermal-collecting tube, described thermal-collecting tube forms by from the outer layer sleeve, intermediate casing and the inner layer sleeve that wear successively outside to inside, described outer layer sleeve is transparent, vacuum interlayer is provided with between outer layer sleeve and intermediate casing, be heat exchange zone between described intermediate casing and inner layer sleeve, described heat exchange zone is by the external circulating pump of pipeline and oil oven, and the inner space of described inner layer sleeve is workspace.
Described intermediate casing and inner layer sleeve adopt heat-conducting, and in heat exchange zone, circulation has conduction oil, this conduction oil by circulating pump and oil oven at heat exchange zone internal circulation flow; Sunshine can reflex on the outer layer sleeve of thermal-collecting tube by slot type speculum, and is absorbed by intermediate casing through vacuum interlayer, and then heats conduction oil, and the temperature of conduction oil can be heated to 300 ~ 400 DEG C.The loss that vacuum interlayer can prevent the reverse diffusion of heat from causing is set between outer layer sleeve and intermediate casing.
Thermal-collecting tube is arranged to three layers of sleeve structure by the utility model, and arrange between intermediate casing and inner layer sleeve can the heat exchange zone of circulation conduction oil, utilize the feature that heat-conduction oil heat conducting effect is good, heat endurance is high, the conduction oil circulated in heat exchange zone is made to absorb the heat of intermediate casing, promote own temperature, and heat is passed to inner layer sleeve, thus thermal desorption is carried out to the contaminated soil of internal layer inside pipe casing.
Adopt said structure to carry out the energy consumption that Soil Thermal desorption can not only reduce thermal desorption process, contaminated soil also can be made to be heated evenly, improve desorption effect.
As preferably, be provided with screw feeder in described inner layer sleeve, it is for stirring the contaminated soil in transportation work district.Screw feeder can rotate with certain rotating speed under the drive of motor, promotes soil and moves ahead in workspace, ensures that soil stops the regular hour in workspace, adjusts the time of staying of soil in thermal desorption device by regulating the rotating speed of screw feeder.
As preferably, described intermediate sleeve and inner layer sleeve are metal material, are beneficial to intermediate casing, heat transmission between inner layer sleeve and heat exchange zone.
The utility model additionally provides a kind of thermal desorption repair system of contaminated soil, and comprise the pretreatment unit, feed arrangement, thermal desorption device, dust arrester and the exhaust treatment system that connect successively, thermal desorption device as described above.
Described pretreatment unit is made up of soil breaking device and vibration screening device, and both are interconnected.Contaminated soil is successively after broken, screening process, and particle diameter reaches below 10mm.
Described feed system is made up of apron conveyor, magnetic separator and weighing balance, and described apron conveyor is connected with vibration screening device, and magnetic separator is connected with apron conveyor respectively with weighing balance.Pretreated contaminated soil is transporting in the process of thermal desorption device by apron conveyor, carries out magnetic separation, removes the magnetic retentions such as iron block, and measures.
As preferably, described dust arrester is the two-stage dust arrester that two cyclone dust collectors series connection use.Above-mentioned dust arrester realizes two-stage dust removal process respectively by the wind speed of adjustment cyclone dust collectors, arranges air-introduced machine, the contaminated off-gas produced after thermal desorption process, under the effect of air-introduced machine, enter in two-stage dust arrester between dust arrester and thermal desorption device.
As preferably, described exhaust treatment system comprises the catalytic combustion system, alkaline cleaner and the gas discharging apparatus that connect successively.
In order to reduce the energy ezpenditure in Soil Thermal desorption repair process further, as preferably, between described catalytic combustion system and alkaline cleaner, be also connected with heat-exchange device.
The hot fluid entrance point of above-mentioned heat-exchange device is connected with catalytic combustion system by air-introduced machine, and cold fluid entrance point is communicated with the oil oven of heat power supply device, the residual exhaust of discharging after catalytic combustion, under the effect of air-introduced machine, enter in heat-exchange device, and carry out heat exchange as hot fluid; And the conduction oil in heat-conducting oil furnace is pumped into heat-exchange device from cold fluid entrance point by circulating pump.
More preferably, described thermal desorption device is connected with heat power supply device, and described heat power supply device is made up of oil oven and regenerative apparatus, and thermal desorption device, oil oven are connected by pipeline between two with regenerative apparatus.Oil oven belongs to assisted heating device, when solar radiation deficiency or rainy weather, is thermal desorption system heat supply, ensures that thermal desorption system is normally run; Meanwhile, regenerative apparatus also provides energy for oil oven, and when solar radiation is crossed strong, is saved in storage heater by excessive solar energy by being connected with thermal desorption device.
Compared with prior art, the utility model has following beneficial effect:
(1) the utility model adopts the mode of solar energy heating and heat-conducting oil to carry out thermal desorption to contaminated soil, greatly reduces the energy consumption of Soil Thermal desorption repair process, is conducive to the popularization of solar energy heating technology in Soil Thermal desorption field.
(2) the utility model is also provided with heat power supply device while employing solar energy heating, ensures that thermal desorption system can normally heat supply and operation in the not enough situation of solar radiation.
(3) the utility model adopts catalytic combustion technology to process tail gas, makes at a lower temperature, and the organic pollutant removal rate in tail gas, more than 99%, while significantly reducing processing cost, achieves tail gas safe, discharges efficiently.
(4) the utility model adopts monitoring system, in system operation, carries out whole-process automatic monitoring, achieve the Automated condtrol of thermal desorption system to the running status of each equipment.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the utility model contaminated soil thermal desorption repair system;
Wherein, 1-pretreatment unit, 2-feed arrangement, 3-thermal desorption device, 4-drawing mechanism, 5-dust arrester, 6-catalytic combustion system, 7-heat-exchange device, 8-alkaline cleaner, 9-heat power supply device, 10-gas discharging apparatus, 11-monitoring system, 20-heat-conducting oil furnace, 23-storage heater.
Fig. 2 is the structural representation of the thermal desorption device in the utility model thermal desorption repair system.
Detailed description of the invention
Below in conjunction with accompanying drawing and concrete case study on implementation, the contaminated soil thermal desorption system that the utility model provides is described in further details.
A kind of thermal desorption repair system of contaminated soil, as shown in Figure 1, this system comprises the pretreatment unit 1, feed arrangement 2, thermal desorption device 3, dust arrester 5, catalytic combustion system 6, heat-exchange device 7, alkaline cleaner 8 and the gas discharging apparatus 10 that connect successively; In addition, this system also comprises the drawing mechanism 4 be connected with thermal desorption device 3, and the heat power supply device 9 connecting heat-exchange device 7 and be communicated with thermal desorption device 3.
Wherein, pretreatment unit 1 is made up of soil crusher and vibrating screen classifier, and contaminated soil is successively after broken, screening process, and particle diameter reaches below 10mm.
Feed arrangement 2 is made up of apron conveyor, magnetic separator and weighing balance, and pretreated contaminated soil transports in the process of thermal desorption device by apron conveyor, carries out magnetic separation, removes the magnetic retentions such as iron block, and measures.Described apron conveyor is connected with vibration screening device, and magnetic separator is connected with apron conveyor respectively with weighing balance.
Thermal desorption device 3 is made up of groove type solar speculum 12 and thermal-collecting tube 13; As shown in Figure 2, the central shaft of thermal-collecting tube 13 is fixed on the focal line of the parabolic cylinder of groove type solar speculum 12 by support; Groove type solar speculum 12 is parabolic mirror, is arranged on the support of rotation, and this support can, under the domination of solar light tracking system, make the solar light focusing of groove type solar speculum 12 on thermal-collecting tube 13.
Thermal-collecting tube 13 forms by from the outer layer sleeve 15, intermediate casing 16 and the inner layer sleeve 17 that wear successively outside to inside.Wherein, the material of outer layer sleeve 15 is clear glass, and what intermediate casing 16 and inner layer sleeve 17 were metal material can thermal conducting sleeve; Be provided with vacuum interlayer 14 between outer layer sleeve 15 and intermediate casing 16, prevent the reverse divergence loss of heat; Be provided with heat exchange zone 19 between intermediate casing 16 and inner layer sleeve 17, the inner space of inner layer sleeve 17 is workspace 21.Sunshine can reflex on the glass outer layer sleeve pipe 15 of thermal-collecting tube 13 by groove type solar speculum 12, and is absorbed by metal heat-conducting intermediate casing 16 through vacuum interlayer 14, and then heats conduction oil, and conduction oil temperature can be heated to 300 ~ 400 DEG C.
There is the conduction oil of flowing the inside of heat exchange zone 19, and heat exchange zone 19 is by the external circulating pump of pipeline and heat-conducting oil furnace 20, and conduction oil is stored in heat-conducting oil furnace 20, and by circulating pump, conduction oil is flowed in heat exchange zone 19, carries out circulation heating.In addition, inside, workspace 21 is used for holding contaminated soil, and this contaminated soil is delivered in workspace 21 by feed arrangement 2.Spiral-poker 18 is also provided with, for stirring conveying contaminated soil in workspace 21.Spiral-poker 18 rotates with certain rotating speed under the drive of motor, promote soil to move ahead in workspace 21, make the time of staying of soil in workspace 21 be 10 ~ 30min, the rotating speed by adjustable screw screw feeder 18 adjusts the time of staying of soil in thermal desorption device.
The end of thermal-collecting tube 13 is provided with discharge funnel 22, discharge funnel 22 is connected with drawing mechanism 4, drawing mechanism 4 comprises soil agitator, conveying worm, transport tape etc., wherein, soil agitator carries out water atomization, stirring, cooling process to the soil after thermal desorption process, finally, stacked by conveying worm, conveyer belt.And the gas that thermal desorption goes out is delivered to cyclone dust collectors from the top of discharge funnel 22 through air-introduced machine.
Heat power supply device 9 is made up of heat-conducting oil furnace 20 and storage heater 23, and heat-conducting oil furnace 20 was both communicated with thermal desorption device 3 with circulating pump by pipeline, be communicated with again, and storage heater 23 is communicated with heat-conducting oil furnace 20 and thermal desorption device 3 equally by pipeline with storage heater 23.Heat-conducting oil furnace 20 belongs to solar energy assisted heating device, when solar radiation deficiency or rainy weather, is thermal desorption system heat supply, ensures that thermal desorption system is normally run; Storage heater 23 be can accumulation of heat or give heat device, when solar radiation is crossed strong, solar energy is greater than the load of thermal desorption device 3, unnecessary heat is stored in storage heater 23 by pipeline circulation by overheated conduction oil, otherwise, storage heater carries out heat release as the thermal source of heat-conducting oil furnace, for heat-conducting oil furnace heating conduction oil.
Dust arrester 5 is the two-stage dust pelletizing system that two cyclone dust collectors series connection use, wind speed respectively by adjustment cyclone dust collectors realizes two-stage dust removal process, between dust arrester and thermal desorption device, air-introduced machine is set, the contaminated off-gas produced after thermal desorption process, under the effect of air-introduced machine, enter in one cyclonic deduster, realize the removal to particle diameter more than 45 μm coarseparticulates, then, enter again in the cyclone dust collectors of the second level, realize the removal to particle diameter less than 45 μm, more than 5 μm fine particles.
Catalytic combustion system 6 carries out catalytic combustion to the tail gas except degranulation under the effect of catalyst, the temperature of catalytic combustion is between 300 ~ 600 DEG C, the catalytic combustion time is not less than 2 seconds, the catalyst adopted in catalyticing combustion process is evenly fixed on the reaction bed of catalytic combustor, is made up of aluminium oxide, simple substance cerium and simple substance cobalt.In the catalyticing combustion process of catalytic combustion system 6 inside, pass into air via air blast, and guarantee that in tail gas, oxygen content is not less than 10% by on-line monitoring instrument, to ensure efficiently carrying out of catalytic combustion.After catalyticing combustion process, the organic pollutions such as the benzene homologues contained, polycyclic aromatic hydrocarbon and non-chlorinatedorganic in tail gas are destroyed removal, and total removal rate can more than 99%.
The hot fluid entrance point of heat-exchange device 7 is connected with catalytic combustion system 6 by air-introduced machine, and cold fluid entrance point is communicated with the heat-conducting oil furnace 20 of heat power supply device 9, and heat-exchange device 7 is made up of heat exchanger; The temperature of the residual exhaust of discharging after catalytic combustion can reach 300 ~ 600 DEG C, and under the effect of air-introduced machine, residual exhaust enters in heat-exchange device 7, and carries out heat exchange as hot fluid; And the conduction oil in heat-conducting oil furnace 20 is pumped into heat-exchange device 7 from cold fluid entrance point by circulating pump.
Alkaline cleaner is absorption tower, tail gas is after heat-exchange device cooling processing, still containing acid contaminants such as sulfur and nitrogen oxides, it is the spray washing of the NaOH absorbing liquid of 30% by concentration, the acid contaminants such as sulfur and nitrogen oxides residual in removing tail gas, make tail gas reach discharge standard, the absorbing liquid that spray is formed carries out circulated sprinkling absorption by circulating pump, until absorption liquid pH is discharged by absorption tower lower drain after reaching neutrality.Tail gas after spray-absorption process is discharged in air by gas discharging apparatus 10 through air-introduced machine effect.
Monitoring system 11 is also provided with in the utility model thermal desorption repair system, it is made up of central control cabinet, PLC, instrument and auxiliary device, monitoring probe is arranged in feed arrangement 2, thermal desorption device 3, drawing mechanism 4, dust arrester 5, catalytic combustion system 6, heat-exchange device 7, alkaline cleaner 8, heat power supply device 9 and gas discharging apparatus 10 respectively, can monitoring system region of interest run pressure, temperature and flow, realize the real-time monitoring of monitoring system to whole set process system.
Embodiment 1
Adopt above-mentioned disclosed Soil Thermal desorption repair system process retired chemical plant benzene homologues (BTEX) contaminated soil, wherein major pollutants are benzene and dimethylbenzene, and pollution concentration is respectively 526mg/kg, 1023mg/kg, and soil moisture is less than 25%.
(1) adopt soil crusher that above-mentioned contaminated soil is carried out fragmentation, then sieve soil with vibrating screen classifier, obtain the soil that particle diameter is less than 10mm; By apron conveyor, the contaminated soil after screening is transported in thermal desorption device, in transportation, magnetic separation is carried out to contaminated soil, remove the magnetic retentions such as iron block and measure;
(2) contaminated soil delivering to thermal desorption device enters in the workspace of inner layer sleeve inside, slowly movement under the rotation of screw feeder, and the rotating speed of screw feeder is 0.2m/min, makes contaminated soil be 20min in the time of staying of inside, workspace; In heat exchange zone, conduction oil circulates through the heat exchange zone Inner eycle that acts on of circulating pump, is controlled the temperature of conduction oil, thus make the temperature in workspace be 280 DEG C ~ 330 DEG C by oil oven and storage heater;
Soil after thermal desorption enters drawing mechanism by discharge funnel, discharges, before discharge, carry out water atomization, stirring and cooling process to soil through drawing mechanism, obtains the soil after repairing; And the tail gas produced in thermal desorption process, through air-introduced machine effect, deliver to cyclone dust collector from the top of discharge funnel;
(3) first the tail gas that desorption goes out enter in primary dust removing device, and the wind speed controlling deduster is 10m/sm/s, removes the coarseparticulate of particle diameter more than 45 μm; Passing in secondary ash collector, the wind speed controlling deduster is 20m/s, removes the fine particle of less than 45 μm, more than 5 μm;
(4) tail gas is after dedusting, enters in catalytic combustion system, and in control device, the temperature of catalytic combustion is 450 DEG C, adopt by weight percentage, with 50% aluminium oxide, 25% simple substance cerium, 25% simple substance cobalt is the catalytic combustion that the catalyst of component carries out tail gas; Tail gas main component after catalytic combustion is carbon dioxide, water and nitrogen oxide, and exhaust pollutant clearance is greater than 99%;
(5) tail gas after catalytic combustion enters with in the NaOH of mass concentration 30% absorption tower that is absorbing liquid, carries out spray washing; Clean tail gas after spray washing is discharged in air by gas discharging apparatus through air-introduced machine.
Repairing effect: through above-mentioned process, benzene concentration in contaminated soil is down to 4.24mg/kg by initial 526mg/kg, xylene concentration is down to 25.4mg/kg by 1023mg/kg, repairing effect reaches " exhibition land used evaluation criteria of soil environment quality (provisional) " (HJ350-2007) B grade standard, reaches reparation target.
Claims (6)
1. a thermal desorption device, comprise slot type speculum and thermal-collecting tube, it is characterized in that, described thermal-collecting tube forms by from the outer layer sleeve, intermediate casing and the inner layer sleeve that wear successively outside to inside, described outer layer sleeve is transparent, is provided with vacuum interlayer between outer layer sleeve and intermediate casing, is heat exchange zone between described intermediate casing and inner layer sleeve, described heat exchange zone is by the external circulating pump of pipeline and oil oven, and the inner space of described inner layer sleeve is workspace.
2. thermal desorption device as claimed in claim 1, is characterized in that, be provided with screw feeder in described inner layer sleeve.
3. thermal desorption device as claimed in claim 1, it is characterized in that, described intermediate sleeve and inner layer sleeve are metal material.
4. a thermal desorption repair system for contaminated soil, comprise the pretreatment unit, feed arrangement, thermal desorption device, dust arrester and the exhaust treatment system that connect successively, it is characterized in that, described thermal desorption device is as described in any one of claims 1 to 3.
5. thermal desorption repair system as claimed in claim 4, it is characterized in that, described exhaust treatment system comprises the catalytic combustion system, alkaline cleaner and the gas discharging apparatus that connect successively.
6. thermal desorption repair system as claimed in claim 5, is characterized in that, be also connected with heat-exchange device between described catalytic combustion system and alkaline cleaner.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105032913A (en) * | 2015-08-12 | 2015-11-11 | 浙江博世华环保科技有限公司 | Thermal desorption device, thermal desorption repair system and thermal desorption method for contaminated soil |
| CN106216382A (en) * | 2016-08-22 | 2016-12-14 | 上海守安高达土壤处理技术有限公司 | A kind of energy-efficient organic polluted soil thermal desorption processing system and method |
| CN106623395A (en) * | 2017-01-09 | 2017-05-10 | 中城环境技术（天津）有限公司 | Energy-saving organic polluted soil thermal desorption repairing complete equipment |
| CN108746177A (en) * | 2018-06-08 | 2018-11-06 | 南通劲凌智能科技有限公司 | A kind of thermal desorption device and its method for soil remediation |
| CN109163327A (en) * | 2018-09-10 | 2019-01-08 | 南通劲凌智能科技有限公司 | A kind of soil remediation heat source and its method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105032913A (en) * | 2015-08-12 | 2015-11-11 | 浙江博世华环保科技有限公司 | Thermal desorption device, thermal desorption repair system and thermal desorption method for contaminated soil |
| CN105032913B (en) * | 2015-08-12 | 2018-05-15 | 浙江博世华环保科技有限公司 | The thermal desorption method of thermal desorption device, thermal desorption repair system and contaminated soil |
| CN106216382A (en) * | 2016-08-22 | 2016-12-14 | 上海守安高达土壤处理技术有限公司 | A kind of energy-efficient organic polluted soil thermal desorption processing system and method |
| CN106623395A (en) * | 2017-01-09 | 2017-05-10 | 中城环境技术（天津）有限公司 | Energy-saving organic polluted soil thermal desorption repairing complete equipment |
| CN108746177A (en) * | 2018-06-08 | 2018-11-06 | 南通劲凌智能科技有限公司 | A kind of thermal desorption device and its method for soil remediation |
| CN109163327A (en) * | 2018-09-10 | 2019-01-08 | 南通劲凌智能科技有限公司 | A kind of soil remediation heat source and its method |
| CN109163327B (en) * | 2018-09-10 | 2019-12-24 | 河北安亿环境科技有限公司 | Soil remediation heat source and method thereof |
| CN112500871A (en) * | 2020-10-13 | 2021-03-16 | 华中科技大学 | Biomass pyrolysis reaction system and method for solar light-gathering coupling heat-accumulation combustion |
| CN112500871B (en) * | 2020-10-13 | 2021-10-26 | 华中科技大学 | Biomass pyrolysis reaction system and method for solar light-gathering coupling heat-accumulation combustion |
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