CN205347328U - Laboratory is with living beings pyrolysis carbonization reaction unit - Google Patents
Laboratory is with living beings pyrolysis carbonization reaction unit Download PDFInfo
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- CN205347328U CN205347328U CN201521076274.5U CN201521076274U CN205347328U CN 205347328 U CN205347328 U CN 205347328U CN 201521076274 U CN201521076274 U CN 201521076274U CN 205347328 U CN205347328 U CN 205347328U
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- 238000003763 carbonization Methods 0.000 title claims abstract description 38
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 20
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 16
- 239000002028 Biomass Substances 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000012620 biological material Substances 0.000 claims description 2
- 238000005255 carburizing Methods 0.000 claims 1
- 239000003153 chemical reaction reagent Substances 0.000 claims 1
- 238000009833 condensation Methods 0.000 abstract description 14
- 230000005494 condensation Effects 0.000 abstract description 14
- 239000000047 product Substances 0.000 abstract description 4
- 239000012298 atmosphere Substances 0.000 abstract description 3
- 239000012263 liquid product Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 235000021419 vinegar Nutrition 0.000 description 3
- 239000000052 vinegar Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- XMTQQYYKAHVGBJ-UHFFFAOYSA-N 3-(3,4-DICHLOROPHENYL)-1,1-DIMETHYLUREA Chemical compound CN(C)C(=O)NC1=CC=C(Cl)C(Cl)=C1 XMTQQYYKAHVGBJ-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000005510 Diuron Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000012075 bio-oil Substances 0.000 description 1
- CVXBEEMKQHEXEN-UHFFFAOYSA-N carbaryl Chemical compound C1=CC=C2C(OC(=O)NC)=CC=CC2=C1 CVXBEEMKQHEXEN-UHFFFAOYSA-N 0.000 description 1
- 229960005286 carbaryl Drugs 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000021393 food security Nutrition 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000011269 tar Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000011276 wood tar Substances 0.000 description 1
Classifications
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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Abstract
本实用新型涉及一种实验室用生物质热解碳化反应装置。结构中包括安装在加热炉内两端密封的管式碳化炉，管式碳化炉顶端设有出气口，通过出气管与冷凝罐相连接，管式碳化炉底端设有进气口，通过进气管与控制器的出气口相连接，管式碳化炉内设有温度传感器，管式碳化炉内下端部设有用于支撑生物质材料的筛板，冷凝罐顶部设有排气口，通过排气管与控制器上的进气口相连接，进气口通过控制器与气囊连接。根据需要可以在控制器内安装如流量计、压力表及自动温控系统等。用于制备生物炭的同时可实现气体产物与液体产物的自动分离与收集，实现自动温度控制和反应气氛的调控。结构简单、使用方便，是一种适于研究生物质热解碳化反应的实验室用简易装置。
The utility model relates to a laboratory biomass pyrolysis carbonization reaction device. The structure includes a tubular carbonization furnace installed in the heating furnace with both ends sealed. The top of the tubular carbonization furnace is provided with a gas outlet, which is connected to the condensation tank through the gas outlet pipe. The bottom of the tubular carbonization furnace is provided with an air inlet. The gas pipe is connected to the gas outlet of the controller. There is a temperature sensor in the tubular carbonization furnace. A sieve plate is provided at the lower end of the tubular carbonization furnace to support the biomass material. The top of the condensation tank is provided with an exhaust port. The pipe is connected with the air inlet on the controller, and the air inlet is connected with the air bag through the controller. According to the needs, such as flow meter, pressure gauge and automatic temperature control system can be installed in the controller. When used to prepare biochar, it can realize automatic separation and collection of gaseous products and liquid products, and realize automatic temperature control and regulation of reaction atmosphere. The utility model has the advantages of simple structure and convenient use, and is a simple laboratory device suitable for studying pyrolysis and carbonization reactions of substances.
Description
技术领域technical field
本实用新型涉及一种实验室用装置，特别是一种实验室用的生物质热解碳化反应装置。The utility model relates to a laboratory device, in particular to a laboratory biomass pyrolysis carbonization reaction device.
背景技术Background technique
生物炭（Biochar）是废弃生物材料通过高温热解的方法在缺氧或少氧的条件下形成的一类高度芳香性难溶固体物质，多由疏松多孔、排列有序的芳香环片层组成，一般具有多孔性特征和大的比表面积。这些特性使得生物炭在吸附废水中的重金属等污染物方面具有巨大的潜力，现已广泛应用于吸附菲、敌草隆、西维因、多环芳烃、重金属等多种污染物的控制和修复等。生物质在热解碳化的过程中，得到生物炭的同时可以产出可燃气体、木焦油和木醋液等，如能对生物质加以多元化开发利用，在很大程度上能解决可持续发展、节能降耗、环境保护与治理等领域面临的复杂问题，有助于构建低碳高效经济发展模式，对保障国家环境、能源、粮食安全意义重大。Biochar (Biochar) is a kind of highly aromatic and insoluble solid substance formed by waste biological materials under the condition of anoxic or low oxygen through high temperature pyrolysis, mostly composed of loose and porous aromatic ring sheets , generally have the characteristics of porosity and large specific surface area. These characteristics make biochar have great potential in the adsorption of heavy metals and other pollutants in wastewater. It has been widely used in the control and restoration of various pollutants such as phenanthrene, diuron, carbaryl, polycyclic aromatic hydrocarbons, and heavy metals. Wait. In the process of pyrolysis and carbonization of biomass, combustible gas, wood tar and wood vinegar can be produced while obtaining biochar. If biomass can be diversifiedly developed and utilized, it can solve the problem of sustainable development to a large extent. The complex problems faced in the fields of energy saving, energy saving and consumption reduction, environmental protection and governance will help to build a low-carbon and efficient economic development model, which is of great significance to safeguarding the national environment, energy and food security.
在进行废弃生物质的大规模生产前，为了优化生产工艺，以及为了深入了解生物炭的结构、性质与功能，探索新的生物炭生产方法等方面的需要，往往有必要预先在实验室开展小试研究，然而用于小试研究用的制备生物炭的装置还十分缺乏。目前，在实验室生物炭制备方面常采用的方法是：直接利用陶瓷或石英坩埚作盛装生物质原料的反应器，置于马弗炉中进行静态加热，或者利用管式反应炉在通氮气气氛下进行动态加热。这两种方法虽然简单，但存在明显的缺点，一是反应中心区的温度控制和调节不准确；二是生物质热解产生的气体和液体产物不能或不便收集。为了克服现有实验室制备生物炭装置方面的某些不足，中国专利文献（申请号201420399275.2）公布了一种实验室科研用多孔熔融氧化铝的生物炭制备装置，在生物炭制备过程中，利用该小型装置可方便烟气的排出及通过底部的导油槽自动收集液体焦油，装置厌氧环境较好，易于携带。然而，该装置使用时需整体放入马弗炉中，反应容器空间小，反应温度和反应气氛不便调控，尤其是无法实现气体产物的收集或在线分析。Before the large-scale production of waste biomass, in order to optimize the production process, as well as to understand the structure, properties and functions of biochar, and explore new biochar production methods, it is often necessary to carry out small-scale research in the laboratory in advance. However, there is a lack of devices for preparing biochar for small-scale research. At present, the methods commonly used in the preparation of laboratory biochar are: directly use ceramic or quartz crucible as a reactor containing biomass raw materials, place it in a muffle furnace for static heating, or use a tubular reactor in a nitrogen atmosphere under dynamic heating. Although these two methods are simple, they have obvious disadvantages. One is that the temperature control and adjustment in the reaction center area are not accurate; the other is that the gas and liquid products produced by biomass pyrolysis cannot or are inconvenient to be collected. In order to overcome some deficiencies in the existing laboratory biochar preparation devices, the Chinese patent document (application number 201420399275.2) has announced a biochar preparation device for laboratory scientific research using porous fused alumina. The small device can facilitate the discharge of smoke and automatically collect liquid tar through the oil guide groove at the bottom. The device has a good anaerobic environment and is easy to carry. However, the device needs to be placed in a muffle furnace as a whole when used, the space of the reaction vessel is small, and the reaction temperature and reaction atmosphere are inconvenient to control, especially the collection or on-line analysis of gas products cannot be realized.
发明内容Contents of the invention
本实用新型的目的是提供一种实验室用生物质热解碳化反应装置，克服了现有实验室碳化反应装置存在的不足。The purpose of the utility model is to provide a laboratory biomass pyrolysis carbonization reaction device, which overcomes the shortcomings of the existing laboratory carbonization reaction device.
本实用新型解决其技术问题所采用的技术方案如下：一种实验室用生物质热解碳化反应装置，结构组成中包括管式碳化炉和控制器，管式碳化炉两端密封，安装在加热炉内，管式碳化炉顶端设有出气口，通过出气管与冷凝罐相连接，管式碳化炉底端设有进气口，通过进气管与控制器的出气口相连接，管式碳化炉内设有温度传感器并与控制器相连，管式碳化炉内下端部设有用于支撑生物质材料的筛板，冷凝罐顶部设有排气口，通过排气管与控制器上的进气口相连接，气囊与控制器相连接。The technical scheme adopted by the utility model to solve the technical problems is as follows: a laboratory biomass pyrolysis carbonization reaction device, the structural composition includes a tubular carbonization furnace and a controller, the two ends of the tubular carbonization furnace are sealed, installed in the heating In the furnace, the top of the tubular carbonization furnace is provided with a gas outlet, which is connected to the condensation tank through the gas outlet pipe. A temperature sensor is installed inside and connected to the controller. A sieve plate for supporting biomass materials is installed at the lower end of the tubular carbonization furnace. An exhaust port is provided on the top of the condensation tank, and the exhaust pipe is connected to the air inlet on the controller. The airbag is connected with the controller.
碳化炉为不锈钢材质，圆柱形，便于换热，适合农林业生产领域产生的秸秆、残枝、锯末等生物质废弃物粉粹、筛分后热解反应所需，并且具有良好的耐腐蚀性能和导热性能。碳化炉内的温度传感器可准确探测床层温度，炉内的筛板下方通过不锈钢管支撑，可拆卸、更换，便于维护。The carbonization furnace is made of stainless steel and cylindrical, which is convenient for heat exchange. It is suitable for the pyrolysis reaction of biomass waste such as straw, residual branches, and sawdust produced in the field of agricultural and forestry production, and it has good corrosion resistance. and thermal conductivity. The temperature sensor in the carbonization furnace can accurately detect the bed temperature, and the bottom of the sieve plate in the furnace is supported by stainless steel tubes, which can be disassembled and replaced for easy maintenance.
管式碳化炉上、下两端均采用内嵌式密封件密封结构，密封件与管式碳化炉采用螺纹连接，便于拆装。下端内嵌支撑管与管式碳化炉内壁采用螺纹连接方式。The upper and lower ends of the tubular carbonization furnace are sealed with built-in seals, and the seals and the tubular carbonization furnace are connected by threads for easy disassembly. The embedded support tube at the lower end is connected with the inner wall of the tubular carbonization furnace by thread.
本实用新型根据需要可以在控制器内安装如流量计、压力表及自动温控系统等。其中温控系统控制方式可以采用恒温和程序升温两种，最高可升温至1000℃，满足了热解反应所需要的温度。冷凝罐装在冷水槽内便于降温，有利于对生物质热解产生的生物油和木醋液组分进行收集。气囊可根据需要选择性装于控制器内或控制器外，用于收集生物质热裂解的气体产物。The utility model can be installed in the controller as required, such as flow meter, pressure gauge and automatic temperature control system. Among them, the control mode of the temperature control system can adopt two kinds of constant temperature and programmed temperature rise, and the maximum temperature can be raised to 1000 ° C, which meets the temperature required for the pyrolysis reaction. The condensation tank is installed in the cold water tank to facilitate cooling, which is beneficial to the collection of bio-oil and wood vinegar components produced by biomass pyrolysis. The air bag can be selectively installed inside or outside the controller according to the needs, and is used to collect gas products of biomass pyrolysis.
本实用新型取得的有益效果是：The beneficial effect that the utility model obtains is:
本装置在方便制备生物炭的同时可实现气体产物与液体产物的自动分离与收集，并且可方便地实现自动温度控制和反应气氛的调控，在整个反应过程中都可实现无氧或限氧条件控制。结构简单、使用方便，是一种适于研究生物质热解碳化反应的实验室用简易装置。The device can realize automatic separation and collection of gas products and liquid products while conveniently preparing biochar, and can conveniently realize automatic temperature control and adjustment of reaction atmosphere, and can realize anaerobic or oxygen-limited conditions in the whole reaction process control. The utility model has the advantages of simple structure and convenient use, and is a simple laboratory device suitable for studying pyrolysis and carbonization reactions of substances.
附图说明Description of drawings
图1给出的是本实用新型的结构示意图。What Fig. 1 provided is the structural representation of the utility model.
图中标号代表的含义如下：The meanings of the symbols in the figure are as follows:
1、控制器2、出气口3、进气管4、支撑钢管5、筛板6、管式碳化炉7、加热炉8、温度传感器9、出气管10、冷水槽11、冷凝罐12、排气管13、进气口14、气囊。1. Controller 2, air outlet 3, air intake pipe 4, supporting steel pipe 5, sieve plate 6, tubular carbonization furnace 7, heating furnace 8, temperature sensor 9, air outlet pipe 10, cold water tank 11, condensation tank 12, exhaust Pipe 13, air inlet 14, air bag.
具体实施方式detailed description
下面结合附图对本实用新型作进一步描述。Below in conjunction with accompanying drawing, the utility model is further described.
参见图1，一种实验室用生物质热解碳化反应装置，管式碳化炉6为不锈钢材质，圆柱形，其上、下两端通过内置螺纹连接的紧固件密封，底端内嵌有与密封件紧固连接、且与管式碳化炉6内壁通过螺纹连接的支撑管钢4，支撑管4上装设有用于支撑生物质材料的筛板5。管式碳化炉6安装在加热炉7内，管式碳化炉6顶端设有出气口，通过出气管9与冷凝罐11相连接并通至冷凝罐11内侧底部，利于气体冷凝和吸收，便于降温冷却。管式碳化炉6底端设有进气口，通过进气管3与控制器1的保护气体出气口2相连接，管式碳化炉6内设有温度传感器8，与控制器1相连。冷凝罐11装在冷水槽10内，冷凝罐11顶部设有排气口，通过排气管12与控制器1上的进气口13相连接，进气口13通过控制器1连接气囊14。进气管3、出气管9、排气管12为细铜管或钢管。Referring to Fig. 1, a biomass pyrolysis carbonization reaction device for laboratory use, the tubular carbonization furnace 6 is made of stainless steel, cylindrical, and its upper and lower ends are sealed by built-in threaded fasteners, and the bottom end is embedded with The support tube steel 4 is tightly connected with the seal and connected with the inner wall of the tubular carbonization furnace 6 through threads. The support tube 4 is equipped with a sieve plate 5 for supporting biomass materials. The tubular carbonization furnace 6 is installed in the heating furnace 7, and the top of the tubular carbonization furnace 6 is provided with a gas outlet, which is connected to the condensation tank 11 through the gas outlet pipe 9 and leads to the inner bottom of the condensation tank 11, which is conducive to gas condensation and absorption, and is convenient for cooling cool down. The bottom end of the tubular carbonization furnace 6 is provided with an air inlet, which is connected to the protective gas outlet 2 of the controller 1 through an air inlet pipe 3 , and a temperature sensor 8 is arranged in the tubular carbonization furnace 6 and is connected to the controller 1 . The condensation tank 11 is installed in the cold water tank 10, and the top of the condensation tank 11 is provided with an exhaust port, which is connected with the air inlet 13 on the controller 1 through the exhaust pipe 12, and the air inlet 13 is connected with the air bag 14 through the controller 1. Intake pipe 3, air outlet pipe 9, and exhaust pipe 12 are thin copper pipes or steel pipes.
该碳化反应装置的使用以木材加工产生的水曲柳木屑为例。将木屑清洗干净，烘干，粉粹，过筛，称取约40g上述处理的生物质原料，从顶部沿管壁缓慢装入管式碳化炉6内，装入温度传感器，将管式碳化炉装入加热炉7内，关闭炉门，扣紧卡扣。水槽内装入冰水混合液，旋开保护气体氮气钢瓶，经控制器减压后，经出气口通入管式碳化炉，控制氮气流量约为20mL/min。根据选择的加热方式设置温度，采用程序升温方式：The use of the carbonization reaction device takes the ash sawdust produced by wood processing as an example. Clean the sawdust, dry, pulverize, and sieve, weigh about 40g of the above-mentioned biomass raw material, slowly put it into the tubular carbonization furnace 6 from the top along the tube wall, put the temperature sensor into the tube carbonization furnace Put it into the heating furnace 7, close the furnace door, and fasten the buckle. Fill the water tank with ice-water mixture, unscrew the protective gas nitrogen cylinder, and after decompression by the controller, pass it into the tubular carbonization furnace through the gas outlet, and control the flow rate of nitrogen to about 20mL/min. Set the temperature according to the selected heating method, using the programmed temperature rise method:
第一阶段，目标温度：400℃升温速率：10℃/minThe first stage, target temperature: 400°C Heating rate: 10°C/min
第二阶段，400℃保温4hIn the second stage, hold at 400°C for 4 hours
设置完毕，使设备运行，炭化炉内产生的蒸汽经出气管9进入冷凝罐11，经冷凝留于冷凝罐中，未被冷凝的气体经排气管12通入气囊14收集，备用。反应结束后，关闭温控按钮，待管式反应炉冷却至室温，关闭氮气钢瓶旋塞，打开炉体，旋开管式碳化炉上下两端螺纹密封结构，取出温度传感器，将固态产物生物炭取出，后处理备用。旋开冷凝罐，将木醋液转移至容器密封保存。After the setting is completed, the equipment is operated. The steam generated in the carbonization furnace enters the condensation tank 11 through the gas outlet pipe 9, and stays in the condensation tank after being condensed. After the reaction is over, turn off the temperature control button, wait for the tubular reactor to cool down to room temperature, close the cock of the nitrogen cylinder, open the furnace body, unscrew the thread sealing structure at the upper and lower ends of the tubular carbonization furnace, take out the temperature sensor, and take out the solid product biochar , post-processing backup. Unscrew the condensation tank, transfer the wood vinegar to a container and keep it sealed.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107189797A (en) * | 2017-07-21 | 2017-09-22 | 福州大学 | Internal heat type gasification of biomass charcoal processing system and its carbonizing method |
| CN107353938A (en) * | 2017-07-21 | 2017-11-17 | 福州大学 | Internal heat type biomass gasification hydrogen-producing system and its hydrogen production process |
| CN110849513A (en) * | 2019-11-20 | 2020-02-28 | 哈尔滨工业大学 | Fabrication process of a flexible biomass-based pressure sensor that can be mass-produced |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107189797A (en) * | 2017-07-21 | 2017-09-22 | 福州大学 | Internal heat type gasification of biomass charcoal processing system and its carbonizing method |
| CN107353938A (en) * | 2017-07-21 | 2017-11-17 | 福州大学 | Internal heat type biomass gasification hydrogen-producing system and its hydrogen production process |
| CN107353938B (en) * | 2017-07-21 | 2019-07-09 | 福州大学 | Internal thermal biomass gasification hydrogen production system and hydrogen production method |
| CN107189797B (en) * | 2017-07-21 | 2019-09-13 | 福州大学 | Internal heating biomass gasification charcoal production system and its charcoal production method |
| CN110849513A (en) * | 2019-11-20 | 2020-02-28 | 哈尔滨工业大学 | Fabrication process of a flexible biomass-based pressure sensor that can be mass-produced |
| CN110849513B (en) * | 2019-11-20 | 2021-12-28 | 哈尔滨工业大学 | Preparation process of flexible biomass-based pressure sensor capable of being produced in large scale |
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