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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 21. Отображено 21.
30-08-2012 дата публикации

SOLAR SECONDARY LIGHT CONCENTRATING FREQUENCY DIVIDING METHOD AND APPARATUS THEREOF BASED ON DISH-LIKE LIGHT CONCENTRATION

Номер: WO2012113195A1
Автор: NI, Mingjiang, XIAO, Gang, LUO, Zhongyang, CEN, Kefa, GAO, Xiang, FANG, Mengxiang, ZHOU, Jinsong, SHI, Zhenglun, CHEN, Leming, WANG, Qinhui, WANG, Shurong, YU, Chunjiang
Принадлежит:

Disclosed are a solar secondary light concentrating frequency dividing method and an apparatus thereof based on dish-like light concentration, a light transmission hole is positioned at the middle of the rotating parabolic dish-like reflector, under the light transmission hole, a light concentrating photovoltaic panel and the inlet of a thermal collector are set on both sides of the axis of the dish-like reflector respectively, a frequency dividing lens is set above the light transmission hole, with a certain distance from the vertex of the dish-like reflector, a frequency dividing film is coated on a curved surface close to the dish-like reflector of the frequency dividing lens, the other curved surface far away from the dish-like reflector of the frequency dividing lens is a silver reflective mirror, a support rod is set between the dish-like reflector and the frequency dividing lens, there is a bracket under the dish-like reflector, which is provided with a biaxial tracking system, the ...

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Номер записи: 1
16-06-2016 дата публикации

DUAL-CAVITY TYPE HEAT COLLECTION AND ENERGY STORAGE METHOD OF SOLAR BY METALLIC OXIDE PARTICLE AND DEVICE THEREOF

Номер: WO2016090626A1
Автор: XIAO, Gang, YANG, Tianfeng, NI, Mingjiang, LUO, Zhongyang, GAO, Xiang, CEN, Kefa, FANG, Mengxiang, ZHOU, Jinsong, SHI, Zhenglun, CHENG, Leming, WANG, Qinhui, WANG, Shurong, YU, Chunjiang, WANG, Tao, ZHENG, Chenghang
Принадлежит:

A dual-cavity type heat collection and energy storage method of solar by metallic oxide particles and a device thereof. Focused sunlight is incident to a light suction cavity (1) of a dual-cavity type heat collection reactor to heat a separating plate surface (3) and preheat the metallic oxide particles; the preheated metallic oxide particles enter into a reaction cavity (5); the metallic oxide particles are heated and reduced with increasing temperature to release oxygen; the released oxygen is output through a gas outlet (10) of the reaction cavity; the reduced metallic oxide particles are output through a particle outlet (8) of the reaction cavity, and enter into a reduced particle storage box (7), and then enter into an oxidation heat exchanger (12) to react with the oxygen from the gas outlet (10) of the reaction cavity to release the stored chemical energy; the chemical energy is transferred to a heated working substance; the oxidized metallic oxide particles enter into an oxidized ...

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Номер записи: 2
16-04-2015 дата публикации

METHOD FOR REGENERATING SCR DENITRATION CATALYST ASSISTED BY MICROWAVES AND DEVICE THEREFOR

Номер: WO2015051502A1
Автор: GAO, Xiang, LUO, Zhongyang, CEN, Kefa, NI, Mingjiang, SONG, Hao, WU, Weihong, YU, Hongming, SHI, Zhenglun, ZHOU, Jinsong, FANG, Mengxiang, YU, Chunjiang, WANG, Shurong, CHENG, Lemin, WANG, Qinhui
Принадлежит:

Disclosed is a method for regenerating a SCR denitration catalyst assisted by microwaves. The method comprises: (1) a poisoned SCR denitration catalyst is immersed in deionized water, and the SCR denitration catalyst is cleaned by a bubbling method; (2) the SCR denitration catalyst is transferred to a container containing a pore-expanding solution for a soaking treatment; (3) the SCR denitration catalyst is transferred to a microwave device and treated for 1-10 minutes; (4) the SCR denitration catalyst is transferred to a container with an activating liquid and impregnated for 1-4 hours; (5) the SCR denitration catalyst is dried with microwaves for 1-20 minutes; and (6) the SCR denitration catalyst is calcined under conditions of 500-600C for 4-7 hours. The present invention has readily available raw materials, is simple and energy-saving in device and process, and is suitable for industrial scale regeneration. The catalyst treated by the method of the present invention has the advantages ...

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Номер записи: 3
24-10-2019 дата публикации

ELECTROSTATIC DUST REMOVAL DEVICE FOR HIGH-TEMPERATURE COAL GAS

Номер: WO2019200922A1
Автор: FANG, Mengxiang, CHEN, Quanlin, CEN, Jianmeng, WANG, Qinhui, ZHENG, Chenghang, GAO, Xiang, LUO, Zhongyang, CEN, Kefa
Принадлежит:

Disclosed is an electrostatic dust removal device for high-temperature coal gas, comprising: a shell (1) provided with a gas inlet (104) and a gas outlet (105), dust hoppers (3) arranged at the lower part of the shell (1), electrode wires (101) and dust collecting electrode plates (102) arranged in the shell (1), insulators (2) for insulating the electrode wires (101) and the shell (1), a hot gas purging mechanism for purging the insulators (2), and a high-pressure power supply (4) connected to the electrode wires (101); and the insulator (2) is shaped like a hollow cylinder, the hollow structure of the insulator (2) faces the interior of the shell (1), a cylinder (201) used for penetrating through the electrode wire (101) is arranged on an inner side of the bottom of the insulator (2), and a ventilation structure is arranged on a side wall of the insulator (2). With the device, tar oil and dust particles adhered to the insulator (2) can be effectively reduced, thereby avoiding creepage ...

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Номер записи: 4
19-05-2011 дата публикации

JET-TYPE RADICAL IONIZING DEVICE FOR TREATING FLUE GAS BY CORONA DISCHARGING

Номер: WO2011057486A1
Автор: GAO, Xiang, LUO, Zhongyang, CEN, Kefa, NI, Mingjiang, WU, Zuliang, ZHONG, Yi, ZHANG, Yongxin, XU, Dian, WU, Weihong, SHI, Zhenglun, ZHOU, Jinsong, FANG, Mengxiang, YU, Chunjiang, WANG, Shurong, CHENG, Leming, WANG, Qinhui
Принадлежит:

A jet-type radical ionizing device for treating flue gas by corona discharging comprises a jetting mechanism for releasing radical source substance and an electrode mechanism to produce corona. The jetting mechanism is arranged separately from the electrode mechanism. The electrode mechanism includes an electric rod (1) and discharging tips (2) mounted at the upside and underside of the electric rod (1). The jetting mechanism includes jetting pipes (3) set at both sides of the electrode mechanism. Two rows of jetting holes (4) are set on the wall of each jetting pipe (3) anear the electrode mechanism and are arranged along the axis direction. The axial line of each jetting hole (4) points to the discharging tip (2) which has the shortest distance to it.

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Номер записи: 5
02-06-2016 дата публикации

PLATE-TYPE MULTI-STAGE FLASH DISTILLATION APPARATUS FOR DESULFURIZATION WASTEWATER TREATMENT AND RECOVERY AND METHOD THEREFOR

Номер: WO2016082430A1
Автор: XIAO, Gang, LI, Mingchun, LUO, Zhongyang, NI, Mingjiang, GAO, Xiang, CEN, Kefa, FANG, Mengxiang, ZHOU, Jinsong, SHI, Zhenglun, CHENG, Leming, WANG, Qinhui, WANG, Shurong, YU, Chunjiang, WANG, Tao, ZHENG, Chenghang
Принадлежит:

Provided are a plate-type multi-stage flash distillation apparatus for desulfurization wastewater treatment and recovery and a method therefor. The apparatus is mainly composed of plate-type heat exchangers, a plate-type condenser (12), a boiler (29), flash distillation tanks, freshwater tanks, water pumps and stainless steel pipelines. A pretreated desulfurization wastewater is brought into the plate-type heat exchanger stage by stage, heated to a certain temperature, and then brought into a first stage flash distillation tank (5) for flash distillation, the secondary steam is brought into the next-stage plate-type heat exchangers and condensed to release the latent heat to preheat the desulfurization wastewater, the concentrated desulfurization wastewater is brought into the next-stage flash distillation tank for flash distillation, and the process is carried out in sequence to the final stage, in which the secondary steam is brought into the plate-type condenser (12), the condensed fresh ...

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Номер записи: 6
16-06-2016 дата публикации

SOLAR CONDENSER MIRROR SURFACE MEASUREMENT AND ADJUSTMENT METHOD AND DEVICE THEREOF

Номер: WO2016090776A1
Автор: XIAO, Gang, YANG, Tianfeng, NI, Mingjiang, LUO, Zhongyang, GAO, Xiang, CEN, Kefa, FANG, Mengxiang, ZHOU, Jinsong, SHI, Zhenglun, CHENG, Leming, WANG, Qinhui, WANG, Shurong, YU, Chunjiang, WANG, Tao, ZHENG, Chenghang
Принадлежит:

A solar condenser mirror surface measurement and adjustment method, comprising measuring an installation location of a mirror surface piece (1) using photogrammetry, measuring the type of the surface of a small disc-type mirror board using a three-dimensional scanner (3), and performing simulation evaluation on the light condensing effect of the whole light condensing system. By means of photogrammetry, the three-dimensional coordinate of an identification point (2) pasted onto the mirror surface piece (1) is obtained. An installation error of the mirror surface piece (1) is calculated using a three-dimensional rigid body motion algorithm, and the mirror surface piece (1) is adjusted accordingly. The type of the surface of the mirror surface piece (1) is measured using the three-dimensional scanner (3), and when comparing with a theoretical design, the slope error of the actual mirror surface is calculated. In combination with a measurement result of the installation error and the slope ...

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Номер записи: 7
07-06-2018 дата публикации

SQUARE PACKED TOWER FOR CAPTURING FLUE GAS CARBON DIOXIDE

Номер: WO2018099341A1
Автор: WANG, Tao, DONG, Wenfeng, FANG, Mengxiang, CEN, Jianmeng, LUO, Zhongyang
Принадлежит:

A square packed tower for capturing flue gas carbon dioxide. A square packed tower (1) comprises an initial absorbent distributor (2) located below a flue gas outlet (101), a vertical plate packing (3) below the initial absorbent distributor (2), and a radiating flow guide gas distributor (7) located at the bottom of the square packed tower (1) and used for introducing flue gas carbon dioxide. The radiating flow guide gas distributor (7) comprises a gas inlet pipe (701), a butterfly-shaped base plate (702), a butterfly-shaped seal plate (703), and a plurality of radiating flow guide plates (704). The butterfly-shaped base plate (702) is communicated with an outlet of the gas inlet pipe (701); the radiating flow guide plates (704) are radially provided between the butterfly-shaped base plate (702) and the butterfly-shaped seal plate (703) along the outlet of the gas inlet pipe (701).

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Номер записи: 8
27-06-2023 дата публикации

System and method for coupling residual pressure and residual heat of direct air carbon dioxide capture technology and compressed air energy storage technology

Номер: CN116328483A
Автор: LIU WEISHAN, WANG TAO, DONG HAO, HE MUHANG, FANG MENGXIANG, GAO XIANG, LUO ZHONGYANG
Принадлежит:

The invention discloses a system and a method for coupling residual pressure and residual heat of a direct air carbon dioxide capture technology and a compressed air energy storage technology. The system comprises a compressed air energy storage system, a residual pressure control system, a waste heat centralized storage and control system and a direct air carbon dioxide trapping system. According to the system and the method, the residual pressure and the residual heat of a compressed air energy storage technology can be effectively utilized, and the operation energy consumption and the cost of a direct air carbon dioxide trapping system are reduced; in addition, the system and the method provided by the invention can be used for carrying out peak load shifting on intermittent renewable energy sources, and CO2 stored by a direct air carbon dioxide trapping technology can be chemically utilized and biologically utilized. The system is flexible in arrangement, energy can be greatly saved ...

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Номер записи: 9
14-05-2021 дата публикации

一种煤焦油生产BTX的方法

Номер: CN111635780B
Автор: 方梦祥, 马帅, 肖天存, 岑建孟, 王勤辉, 骆仲泱
Принадлежит: 浙江大学

... 本发明公开了一种煤焦油生产BTX的方法：将煤焦油在萃取反应器中与萃取剂甲醇混合进行萃取，过滤分离后得到萃取液和萃余物；萃取液进入甲醇转化反应器进行后续反应得到气体产物和液体产物，经过气液分离器后分别进入气体分离塔和液体分馏塔Ⅰ；气体产物在气体分离塔中分离得到包括氢气、烯烃和烷烃的气体产品，液体产物经过液体分馏塔Ⅰ分馏得到BTX产品和包含混合芳烃的塔底流出液；分馏塔Ⅰ的塔底流出液或与甲苯混合后经过高压泵加压，作为混合芳烃进料送入烷基转移反应器发生烷基转移反应，反应流出液进入分馏塔Ⅱ，分馏得到BTX产品。本发明提供的方法能够充分利用煤焦油中的芳潜和芳烃资源生产BTX。 ...

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Номер записи: 10
05-03-2015 дата публикации

ONLINE DETECTION DEVICE AND METHOD FOR SULFUR TRIOXIDE CONTAINED IN FLUE GAS

Номер: WO2015027546A1
Автор: GAO, Xiang, LUO, Zhongyang, CEN, Kefa, NI, Mingjiang, WU, Xuecheng, SONG, Hao, WU, Weihong, YU, Hongmin, SHI, Zhenglun, ZHOU, Jingsong, FANG, Mengxiang, YU, Chunjiang, WANG, Shurong, CHENG, Leming, WANG, Qinhui
Принадлежит:

An online detection device and method for sulfur trioxide contained in flue gas. The device comprises: a flue gas sampling unit (100); a gas-liquid separator used for condensing SO3 contained in the flue gas from the flue gas sampling unit into sulfuric acid droplets to separate same from a gas phase; a gas phase detection unit used for measuring a gas phase flow from the gas-liquid separator; a first solution pot (212) used for providing an absorption liquid in the gas-liquid separator to mix the sulfuric acid droplets so as to form a mixed liquid; a liquid phase detection unit used for measuring the quality of the converted SO3 contained in the mixed liquid from the gas-liquid separator; and a digital control unit (300) used for calculating the concentration of the SO3 contained in the flue gas according to the detection results of the gas phase detection unit and the liquid phase detection unit. The method realizes the online measurement of SO3 contained in the flue gas, conducts sampling ...

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Номер записи: 11
18-06-2015 дата публикации

CATALYST FOR SYNERGISTIC CONTROL OF OXYNITRIDE AND MERCURY AND METHOD FOR PREPARING SAME

Номер: WO2015085513A1
Автор: GAO, Xiang, LUO, Zhongyang, CEN, Kefa, NI, Mingjiang, SONG, Hao, WU, Weihong, YU, Hongmin, XU, Dian, SHI, Zhenglun, ZHOU, Jinsong
Принадлежит:

Disclosed are a catalyst for synergistic control of oxynitride and mercury and a method for preparing same. The catalyst consists of the following components by mass percentage: a carrier: TiO2 72%-98.6%, active components: V2O5 0.1%-5%, WO3 1%-10%, Cr2O3 0.1%-5% and Nb2O5 0.1%-5%, and a co-catalyst of 0.1%-3%. The present invention can be used for reducing the oxynitrides in a flue gas, meanwhile oxidizing zero-valent mercury into bivalent mercury and then controlling the reactions, has relatively high denitration performance and also has high mercury oxidation performance; compared with current commercial SCR catalysts, the mercury oxidation rate of the catalyst is improved to a great extent, which can adapt to the requirements for mercury removal in China's coal-fired power plants, the conversion rate of SO2/SO3 is relatively low, and the catalyst has a better anti-poisoning ability, and is a new catalyst with a low cost and high performance.

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Номер записи: 12
22-12-2004 дата публикации

循环流化床锅炉的风控式物料外循环装置

Номер: CN0001181286C
Автор: LUO ZHONGYANG, WANG QINHUI, FANG MENGXIANG, ZHONGYANG LUO, QINHUI WANG, MENGXIANG FANG, 骆仲泱
Принадлежит:

... 本发明涉及循环流化床锅炉的风控式物料外循环装置，它将物料循环装置中的外置式换热器及返料机构迭置或并置，并将返料机构分隔成进料室和返料室，分别通入松动风和流化风，将外置式换热器分隔成进料室和流化床换热床，分别通入松动风和流化风，通过控制返料机构和外置式换热器运行时送入的各布风风量来调节进入返料机构和外置式换热器的高温物料量。用风量调节取代传统的机械阀调节，克服了机械阀控制存在的磨损严重，维修费用高等问题。 ...

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Номер записи: 13
08-06-2016 дата публикации

Hybrid system is imitated by force to urea

Номер: CN0205297697U
Автор: GAO XIANG, ZHU XINBO, ZHENG CHENGHANG, WANG YAOLIN, CEN KEFA, LUO ZHONGYANG, NI MINGJIANG, ZHOU JINSONG, WENG WEIGUO, WU WEIHONG, ZHANG YONGXIN, SONG HAO, ZHANG YUSONG, HUANG YU
Принадлежит:

... 本实用新型涉及种尿素强效混合系统，该装置包括管体和自下而上安装在管体内的整流装置、尿素喷嘴和扰流装置，所述的整流装置为分布有多个圆孔的多孔板，所述圆孔在多孔板上呈中心对称分布，所述的扰流装置为混合器，混合器上固定有若干个呈十字形的翼片，翼片由两片平板交错形成；多孔板安装在尿素喷嘴上游200cm-340cm处，混合器安装在尿素喷嘴下游300cm-500cm处。本实用新型的结构能够使烟气和尿素喷雾在有限的空间内得到更充分的混合，尿素喷雾能够在较短的时间内吸收更多的烟气废热提高分解速度，从而保证混合烟气到达SCR反应器入口处时NH/NO浓度比值达到反应要求。 ...

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Номер записи: 14
14-07-2023 дата публикации

Hydrophobic quaternary ammonium polymer adsorbent suitable for trapping ultralow-concentration carbon dioxide as well as preparation and application of hydrophobic quaternary ammonium polymer adsorbent

Номер: CN116422302A
Автор: WANG TAO, DONG HAO, FANG MENGXIANG, LUO ZHONGYANG, GAO XIANG
Принадлежит:

The invention discloses a quaternary ammonium polymer adsorbent suitable for trapping ultralow-concentration carbon dioxide, a preparation method of the quaternary ammonium polymer adsorbent and application of the quaternary ammonium polymer adsorbent to adsorption of carbon dioxide in air. The preparation method comprises the following steps: uniformly dispersing the quaternary ammonium polymer active matrix, the skeleton carrier, the pore-forming auxiliary agent and the hydrophobic carrier in an organic solvent, and uniformly mixing to obtain a precursor main material; preparing the precursor main material into a material with a certain thickness, then standing in an atmospheric environment for natural curing molding, and then transferring the material into deionized water for further curing molding to obtain an unfunctionalized hydrophobic quaternary ammonium polymer adsorbent; and placing the unfunctionalized hydrophobic quaternary ammonium polymer adsorbent in an alkali carbonate solution ...

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Номер записи: 15
04-07-2023 дата публикации

Carbon dioxide absorbent as well as preparation method and application thereof

Номер: CN116371146A
Автор: XU DONG, SHI XIAOHONG, MENG RUIHONG, FANG MENGXIANG, HAN TAO, WANG TAO, ZHANG SHUAI, LUO ZHONGYANG, FENG BAIYANG, GAO XIANG, FENG LEI, CEN KEFA, CHANG LIN
Принадлежит:

The invention belongs to the technical field of mixed gas separation and purification, and particularly relates to a carbon dioxide absorbent and a preparation method and application thereof. The carbon dioxide absorbent contains a main agent, an auxiliary agent and an active agent, the main agent is steric hindrance amine containing one N atom, the auxiliary agent is a primary amine compound, the active agent is cyclic polyamino organic amine, and the weight ratio of the main agent to the auxiliary agent is (1.5-3): 1. The carbon dioxide absorbent prepared by the invention has a relatively high absorption rate when absorbing and capturing carbon dioxide, and meanwhile, the regeneration rate and the circulation capacity can be improved.

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Номер записи: 16
14-04-2004 дата публикации

以半干法为基础的燃煤汞排放控制方法

Номер: CN0001488423A
Автор: LUO ZHONGYANG, ZHOU JINGSONG, WANG QINHUI, ZHONGYANG LUO, JINGSONG ZHOU, QINHUI WANG, 骆仲泱
Принадлежит:

The invention discloses a kind of coal mercury discharging control method which is based on semi-drying method. Sprays additive into the boiler smoke, oxidizes the elemetary mercury into mercuric oxide easy to remove; then sprays liquid including oxidant into smoke and oxidizes the mercury, and the temperature is decreased and forms the low temperature for high efficiency absorption; sprays absorption agent into cooled smoke, eliminates the mercuric oxide and mercury; the solid particle containing mercury is collected through electricity deduster or baggage dedusting device. The invention reduces the cost of operation.

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Номер записи: 17
29-12-2004 дата публикации

一种循环流化床锅炉的风控式物料外循环装置

Номер: CN0001558141A
Автор: LUO ZHONGYANG, WANG QINHUI, FANG MENGXIANG, ZHONGYANG LUO, QINHUI WANG, MENGXIANG FANG, 骆仲泱
Принадлежит:

The present invention is one kind of wind amount controlled external material circulator for circulating fluidized bed boiler. The external material circulator has external heat exchanger and material returning mechanism superposed or side-by-side set, material returning mechanism separated into material feeding chamber and material returning chamber with loosening wind and fluidizing wind introduced separately, and external heat exchanger separated into material feeding chamber and fluidizing bed heat exchange bed with loosening wind and fluidizing wind introduced separately. The present invention regulates the high temperature material amount to the material returning mechanism and the external heat exchanger by means of controlling the wind amount to the material returning mechanism and the external heat exchanger, and is superior to available mechanical valve regulation with serious wear and high maintenance cost.

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Номер записи: 18
27-06-2023 дата публикации

Carbon dioxide absorbent, application thereof and method for treating carbon dioxide in flue gas

Номер: CN116328498A
Автор: SHI XIAOHONG, WANG TAO, ZHANG SHUAI, HAN TAO, FANG MENGXIANG, YU XUEHAI, XU DONG, LUO ZHONGYANG, MENG RUIHONG, GAO XIANG, FENG BAIYANG, CEN KEFA, FENG LEI, CHANG LIN
Принадлежит:

The invention relates to the technical field of mixed gas separation and purification, and discloses a carbon dioxide absorbent, application thereof and a method for treating carbon dioxide in flue gas. The absorbent comprises a tertiary amine compound, a primary amine compound, a piperazine compound, an anti-degradation agent and water, the content of the tertiary amine compound is 20-30% by weight, the content of the primary amine compound is 10-15% by weight, the content of the piperazine compound is 2-10% by weight, the content of the anti-degradation agent is 0.1-1.5% by weight, and the content of the water is 52-63% by weight. The carbon dioxide absorbent has the advantages of high absorption capacity, high regeneration rate, low regeneration energy consumption, excellent degradation resistance and great application prospect.

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Номер записи: 19
10-11-2004 дата публикации

生物质整合式热裂解分级制取液体燃料装置

Номер: CN0001175085C
Автор: LUO ZHONGYANG, WANG SHURONG, CEN KEFA, ZHONGYANG,WANG LUO, 骆仲泱
Принадлежит:

... 本发明公开了一种生物质整合式热裂解分级制取液体燃料装置。采用旋风分离器和炭过滤器组合而成，达到有效回收炭和清洁挥发份；由高、中温空冷器，高、中温导热油加热器，高、中、低温冷凝器组成的分级冷凝系统，得高品质燃料油的同时，还对重质油和含水较多的液体分别处理，从而降低后续处理费用，优化高品质燃油的产量；由高、中温空冷器，炭燃烧炉和反应器换热器组成自供热系统，有效利用自供热系统所产生的余热；组合式给料装置保证顺利给料；采用变截面流化床反应器，保证了生物油的产率。总之本发明利用流化床气固相传热强烈和热流强度大等优点实现生物质的闪速升温和挥发份的快速析出及固体炭的回收利用。 ...

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Номер записи: 20
18-07-2023 дата публикации

Method for preparing aviation liquid fuel by directly converting biomass

Номер: CN116445179A
Автор: LUO ZHONGYANG, MIAO FEITING, WANG KAIGE, ZHOU JINSONG, WANG SHURONG
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The invention provides a method for preparing aviation liquid fuel by directly converting biomass, which comprises the following steps: a pyrolysis step: heating and pyrolyzing biomass in a hydrogen source environment to generate biomass pyrolysis gas; a carbon chain growth step: carrying out a carbon chain growth reaction on the biomass pyrolysis gas under the action of a carbon chain growth catalyst to obtain a crude product; and a condensation and separation step: carrying out segmented condensation or fractionation after condensation on the crude product to obtain the aviation liquid fuel. Biomass pyrolysis gas generated after the biomass is subjected to the pyrolysis step is subjected to the carbon chain growth step, generated crude products comprise non-condensable small molecule gas, water, organic matter mainly containing long-chain aliphatic hydrocarbon and the like, then physical separation is conducted in the condensation separation step, the aviation liquid fuel can be obtained ...

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