• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A DEVICE FOR OBTAINING AN ACTIVE CARBON, including a cylindrical heated body, a raw material supply unit and an activating agent, located respectively in the upper and lower parts of the body, a gas distribution grill located in the lower part of the body above the branch pipe for feeding the activating agent, a branch pipe for active coal, the upper end of which is located above the coal layer, and a pipe for removal of the resulting gases, located in the upper part of the body, so that, in order to improve the quality of a The active carbon feed pipe is located directly above the grate and on the side opposite the pipe for feeding the active agent.
    公开号:SU1145921A3
    申请号:SU772466673
    申请日:1977-04-05
    公开日:1985-03-15
    发明作者:Бюргер Алекс；Гут Ганс；Лудовици Вернер；Рое Германн
    申请人:Байер Аг (Фирма)；
    IPC主号:
    专利说明:

    The invention relates to the production of activated carbon, in particular, to a device for producing active carbon. A device for producing active carbon is known, including a cylindrical heated body with nozzles for feeding raw materials and an activating agent, located respectively in the upper and lower parts of the body, a gas distribution grill located in the lower part of the body above the nozzle for feeding the activating agent, removal of active carbon, the upper end of which is located above the layer of coal, and a nozzle for removal of the generated gases, located in the upper part of the body Civevaya agent located on the same side of the body | ll. However, the known device is characterized by an insufficiently high quality of the produced active carbon. The aim of the invention is to increase the quality of the active carbon. The goal is achieved by the fact that in a device for producing active carbon, including a cylindrical heated body, pipes for feeding raw materials and an activating agent, located respectively in the upper and lower parts of the body, the gas distribution grid located in the lower part of the body above the branch pipe for supplying the activating agent , a pipe for removal of activated carbon, the upper end of which is located above the layer of coal, a pipe for removal of the resulting gases, located in the upper part of the body The feed is located directly above the grate and on the side opposite to the nozzle for feeding the activating agent. The drawing shows the proposed device, a longitudinal section. The proposed design of the device provides for the formation of two layers of activated carbon, with the lighter and at least partially activated particles located in the upper fluidized bed, which improves the quality characteristics of the active carbon. The device for producing active carbon comprises a cylindrical body 1, which is thermally insulated 2 and heated by burners 3. The cylindrical body I is equipped with a pipe 4 for feeding carbon-containing raw material from the bunker 5 ending directly above the gas distribution grid 6 located in the lower part of the body 1 above a nozzle 7 for supplying an activating agent (gas) discharged from the heat exchanger 8. In addition, the device is equipped with a nozzle 9 for evacuating the resulting gases located in the upper part of the housing 1, and atrubkom 10 for removing active carbon, the upper end of which is located above the layer of carbon. The pipe 10 is passed through the bottom of the housing 1 and is connected to the screw device 1 1 for unloading the active carbon. The feed pipe 4 is located on the side opposite to the pipe 7 for feeding an activating agent. The proposed device operates as follows. Combustible gas with a temperature of 1000–1250 ° C from the combustion chamber 12 through the outlet 13 enters the heat exchanger 8, in which it serves to preheat the activating gas, exit the heat exchanger 8 through the outlet 14 and is used to produce steam. The activating gas is supplied to the heat exchanger 8, where it is heated to 500900 ° C and higher with combustible gas, and flows through the nozzle 7 into the lower part of the housing 1 under the gas distribution grid 6. After passing through the grid 6, the activating gas reacts at 550-1100 ° C with carbon-containing raw material; supplied from the hopper 5 through the pipe 4 to the gas distribution grid 6 with education-. boiling layer. The mixture of the activation gas with the gas and the reaction products which is discharged through the pipe 9 from the fluidized bed is then cooled and dedusted. The activation product (active carbon) is withdrawn from the fluidized bed through pipe 10 and is discharged by screw 11 so that the level of the fluidized bed is kept constant. The carbonaceous feedstock may include peat, brown coal coke, carbonized lignite, carbonized products based on wood, coconut nuts, fruits, coal, petroleum coke, sour sludge coke, and mixtures thereof. In most cases, the raw materials before activation are crushed. DL fluidization and oxygen, air, carbon dioxide, water vapor and a mixture of these gases are used, depending on the particle size, shape and apparent density of ff at a rate of 0, 12.0 m / s. Example 1, B The device serves 2.9 tons / day of crushed peat coke with a density of 58t3 g / 100 m and a grain size of 0.315-3.15 mm, which is fluidized with gas supplied at a speed of 21 cm / s. The activation temperature is 820 ° C, and the average Cox residence time in the device is 0.9 hours. The output of active carbon is 2.0 tons / day (69%). Active carbon has the following characteristics: density 40-43 g / 100 m internal surface according to BET 910 grain size (0-2 mm): 50% 0.315 mm, 65% "0.5 mm, 80% g-1 mm. Benzene adsorption at 90% saturation in air at 34 g / / 100 g of active carbon. Per 100 g of active carbon, 2250 mg of methylene blue from 0.15% solution is adsorbed at room temperature. When using 4.4 g of active carbon, the solution of molasses from 13.5 Stammer is discolored by 50%. Example 2. The device serves 3.0 tons / day of crushed lignite coke with a density of 50 .2.5 g / 100 ml and a grain size of 0.53, 15 mm, which is fluidized with gas supplied at a speed of 25 cm / s. The activation temperature and residence time of the char in the device is 1.6 hours. The output of active carbon is 1.9 g / day (65.5%). The active angle has the following characteristics: density: 40-43 g / / 100 ml, inner surface according to ET: 980 grain size (0-. 2 mm):, 315 mm, 65% 40.5 mm, mm, benzene adsorption 40 g; methylene blue adsorption, 1800 mg; 3.8 g / l provide 50% bleaching of molasses solution. Example 3. The device serves 1.5 tons / day of high-grade coke with a density of 52t2.5 g / 100 ppm and a grain size of 0.315-1.6 mm, a gas velocity of 138 cm / s. A fixed bed is formed in the lower part of the device, and a completely fluidized layer is formed in the upper part. The activation temperature and the residence time of coke in the device are 4 hours. The output of active carbon is 0.8 g / day (53.3%). Active carbon has the following characteristics: density 50 g / 100 ml: internal surface according to BET 1070, grain size (0-1 mm):, 315 mm; , 5 mm, 100% ch1 mm, benzene adsorption 45 g, methyl blue adsorption 2550 mg. Example 4 (comparative). Example 1 is repeated with the difference that the process. P1 is hydrated in a device in which the supply pipe for the supply of an activating agent is located under the gas distribution grill on the same side as the supply pipe. sh (prototype). You get 60% of active carbon of the following quality: the internal surface according to BET 850-880 density 4В52 g / 100 ml; grain size (0-2 mm) J 40% .0.315 mm, 55% iO, 5 mm,, 0 mm. From the above examples, it follows that the proposed device provides for obtaining active carbon with higher quality characteristics (adsorption properties and grain composition), than is known.
    权利要求:
    Claims (1)
    [1]
    DEVICE FOR PRODUCING ACTIVE COAL, including a cylindrical heated housing, nozzles for supplying raw materials and an activating agent located respectively in the upper and lower parts of the housing, a gas distribution grill located in the lower part of the housing above the nozzle for supplying an activating agent, a nozzle for removing activated carbon, upper the end face of which is located above the coal layer, and the pipe for the removal of the resulting gases, located in the upper part of the body, distinguished by the fact that, in order to improve the quality of coal, the pipe for supplying raw materials is located directly above the grate and on the side opposite the pipe for supplying an activating agent. "
    4th joint venture
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    同族专利:
    公开号 | 公开日
    FR2347308A1|1977-11-04|
    JPS52123990A|1977-10-18|
    BE853388A|1977-10-10|
    FR2347308B1|1983-09-16|
    DE2615437C2|1978-06-01|
    NL7703807A|1977-10-11|
    NL189506B|1992-12-01|
    NL189506C|1993-05-03|
    GB1577625A|1980-10-29|
    DE2615437B1|1977-10-13|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    RU2470983C1|2011-05-20|2012-12-27|Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Уфимский государственный нефтяной технический университет"|Method for determining activation time of oil coke surface|GB965709A|1959-05-25|1964-08-06|Secr Aviation|An improved process for producing activated carbon|
    DE2047324A1|1970-09-25|1972-03-30|Continental Oil Co|Activated carbon prepn|
    FR2110554A5|1970-10-21|1972-06-02|Continental Oil Co|Activated carbon prepn|
    JPS5545485B2|1973-01-05|1980-11-18|JPH0152324B2|1981-06-25|1989-11-08|Mitsubishi Chem Ind|
    DE3141906A1|1981-10-08|1983-04-21|Degussa Ag, 6000 Frankfurt|METHOD AND DEVICE FOR CARRYING OUT GAS / SOLID REACTIONS, IN PARTICULAR FOR ACTIVATING AND REACTIVATING ACTIVE CARBON|
    DE3614901C2|1986-05-02|1989-06-08|Bayer Ag, 5090 Leverkusen, De|
    FR2972942B1|2011-03-21|2017-11-24|Arkema France|PROCESS FOR MANUFACTURING CARBON NANOTUBES AND APPARATUS FOR CARRYING OUT THE PROCESS|
    JP2012211043A|2011-03-31|2012-11-01|Sony Corp|Porous carbon material, adsorbent, orally administrable adsorbent, adsorbent for medical use, filler for blood purification column, adsorbent for water purification, cleansing agent, carrier, agent for extended release of drugs, cell culture scaffold, mask, carbon/polymer composite, adsorbing sheet, and functional food|
    EP3819359A1|2019-11-08|2021-05-12|SynCraft Engineering GmbH|Method and device for adjusting the fill level in a floating bed reactor|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE2615437A|DE2615437C2|1976-04-09|1976-04-09|Process for the production of activated carbon|
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