CN112850709A - Activated carbon activation system and activation method - Google Patents
Activated carbon activation system and activation method Download PDFInfo
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- CN112850709A CN112850709A CN202110088773.XA CN202110088773A CN112850709A CN 112850709 A CN112850709 A CN 112850709A CN 202110088773 A CN202110088773 A CN 202110088773A CN 112850709 A CN112850709 A CN 112850709A
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/39—Apparatus for the preparation thereof
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/336—Preparation characterised by gaseous activating agents
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/342—Preparation characterised by non-gaseous activating agents
Abstract
The invention discloses an activated carbon activation system and an activation method. The activated carbon activation system comprises: an activation assembly having one or more activation units; the activation unit is provided with a charging barrel for generating activated carbon by reacting the carbonized material with a gaseous activating agent; the air supply assembly is provided with air pipes the number of which is matched with that of the activation units, and the output ends of the air pipes are communicated with the interior of the charging barrel; a heating assembly including a first heating unit that heats the activation unit, the first heating unit having a first heater; a control assembly for controlling the pressure and amount of gaseous activator used in the cartridge, the control assembly comprising a controller; the gaseous activating agent in the gas pipe enters the charging barrel from the lower part and/or the side of the charging barrel, and the charging barrel does not rotate in the activating process. The invention has simple structure, three-dimensional furnace body, small occupied area, and a plurality of mutually independent activation units, can simultaneously prepare the activated carbon with different specification indexes, does not rotate the charging barrel in the activation process, can reduce the loss and improve the productivity.
Description
Technical Field
The invention relates to the technical field of an activation process in an activated carbon generation process, in particular to an activated carbon activation system and an activation method.
Background
The active carbon is widely applied in the field of environmental management. The industrial mass production of the activated carbon is mature, the production mode is fixed, the key production link is an activation process, namely, a carbonized material is activated into the activated carbon, and the activation process plays an important role in the quality of a final product.
At present, the difference between the activation process of most of the activation furnaces for experiments and the actual production is very large, and the laboratory is difficult to realize the simulation of the actual production. The reasons for the difficulty in implementing the simulation are mainly as follows: firstly, the dosage of the activating agent is controlled, and the accurate dosage of the activating agent cannot be provided; secondly, the temperature of the activating agent is low, so that the temperature of the activating furnace is reduced; thirdly, most of the activation furnaces for experiments are rotary, so that the materials are seriously abraded; fourthly, the occupied area of the horizontal activation furnace is large. For example, the horizontal activation converters disclosed in the Chinese patent application CN206511928U and CN205634902U have the problems.
Disclosure of Invention
The invention mainly aims to provide an activated carbon activation system and an activated carbon activation method, so as to solve the technical problem of poor activated carbon activation test effect in the prior art, provide professional and accurate guidance for activated carbon industrial production, and provide an equipment foundation for developing new products.
To achieve the above object, according to one aspect of the present invention, an activated carbon activation system is provided. The activated carbon activation system includes:
an activation assembly having one or more activation units; the activation unit is provided with a charging barrel for generating activated carbon by reacting the carbonized material with a gaseous activating agent;
the air supply assembly is provided with air pipes the number of which is matched with that of the activation units, and the output ends of the air pipes are communicated with the interior of the charging barrel;
a heating assembly including a first heating unit that heats the activation unit, the first heating unit having a first heater;
a control assembly for controlling the pressure and amount of gaseous activator used in the cartridge, the control assembly comprising a controller;
wherein, gaseous activating agent in the air-supply pipe gets into the inside of feed cylinder from the below of feed cylinder and/or side, and the feed cylinder does not rotate in the activation process.
Further, the heating assembly further comprises:
the second heating unit is used for heating the liquid activating agent, the output end of the second heating unit is connected with the gas supply assembly, and the second heating unit comprises a second heater; and/or the like and/or,
and the third heating unit comprises a strip-shaped pore passage matched with the outside of the gas conveying pipe and a third heater arranged on the strip-shaped pore passage.
Furthermore, the heating component is also provided with an insulating layer; and/or the gas pipe in the strip-shaped pore canal is spiral.
Furthermore, the first heating unit is also provided with a groove body matched with the outside of the charging barrel and a cover plate detachably connected with the groove body, wherein the second heater heats the groove body, and the groove body is provided with a first through hole matched with the outside of the gas conveying pipe.
Furthermore, a first flange is arranged at the opening end of the charging barrel, a second flange is arranged at the opening end of the groove body, the diameter of the outer side of the first flange is larger than the diameter of the cross section of the groove body, and the first flange is used for being clamped between the second flange and the cover plate; and/or a sealing gasket is arranged between the cover plate and the first flange and/or between the first flange and the second flange.
Further, the control assembly further comprises:
the pressure control unit comprises a pressure gauge and an exhaust valve which are arranged on the cover plate, and the controller controls the opening and closing of the exhaust valve according to the detection value of the pressure gauge;
the device comprises a gas state activating agent dosage control unit, wherein the gas state activating agent dosage control unit comprises a valve and a mass flowmeter which are arranged on a gas conveying pipe, and a controller controls the valve to open and close according to the preset gas state activating agent dosage and the detection value of the mass flowmeter.
Further, the control assembly further comprises a first temperature control unit and/or a second temperature control unit; wherein the content of the first and second substances,
the first temperature control unit comprises a first thermometer for detecting the temperature of the trough body or the charging barrel, and the controller controls the opening and closing of the first heater according to the detection value of the first thermometer;
the second temperature control unit comprises a second thermometer for detecting the temperature of the gas transmission pipe, and the controller controls the opening and closing of the third heater according to the detection value of the second thermometer.
Further, the control assembly also includes a display.
Furthermore, the bottom of the charging barrel is provided with a second through hole and an air distribution pipe connected with the second through hole, the cross section of the air distribution pipe is honeycomb-shaped, and the air distribution pipe is movably connected with the air conveying pipe in a sealing manner.
Furthermore, the wall of the charging barrel is provided with air holes, and a cavity for the flow of the gaseous activating agent is reserved between the charging barrel and the groove body.
In order to achieve the above object, according to another aspect of the present invention, there is also provided an activated carbon activation method. The activated carbon activation method adopts the activated carbon activation system to activate the carbonized material, and the activated carbon is obtained.
Therefore, the activated carbon activation system and the activated carbon activation method of the invention can achieve the following beneficial effects:
(1) simple structure, three-dimensional furnace body, small floor area.
(2) The device has a plurality of independent activating units, and can simultaneously prepare activated carbon with different specification indexes.
(3) The charging barrel does not rotate in the activation process, the gaseous activating agent enters the charging barrel from the lower part and/or the side of the charging barrel and then is in uniform contact with the carbonized material, and finally static activation is realized.
(4) The dosage of the gaseous activating agent can be accurately controlled, and the accurate regulation and control of the index of the activated carbon can be realized;
(5) can accurate control feed cylinder pressure, help gaseous activating agent can get into the slit pore of carbomorphism material, finally form abundant capillary hole, and then realize the efficient activation.
(6) When the third heating unit is adopted, the reduction of the activation temperature caused by the fact that the activating agent enters the charging barrel can be avoided as far as possible, and then the activation effect is influenced.
The invention is further described with reference to the following figures and detailed description. Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to assist in understanding the invention, and are included to explain the invention and their equivalents and not limit it unduly. In the drawings:
fig. 1 is a schematic structural view of a first embodiment of an activated carbon activation system according to the present invention.
FIG. 2 is a schematic structural diagram of the connection mode of the trough body, the cover plate, the charging barrel and the air delivery pipe in the first embodiment of the activated carbon activation system.
Fig. 3 is a schematic structural diagram of a second embodiment of the activated carbon activation system of the present invention.
Fig. 4 is a schematic structural diagram of a fourth embodiment of the activated carbon activation system of the present invention.
Fig. 5 is a schematic structural diagram of a fifth embodiment of the activated carbon activation system of the present invention.
The relevant references in the above figures are:
100-a charging barrel, 110-a first flange, 200-a gas pipe, 210-a gas storage tank, 300-a controller, 311-a pressure gauge, 312-an exhaust valve, 321-a valve, 322-a mass flow meter, 331-a first thermometer, 332-a second thermometer, 410-a first heater, 420-a second heater, 430-a third heater, 440-an insulating layer, 510-a groove body, 511-a second flange, 520-a cover plate, 610-a gas pipe, 620-a gas distribution pipe, 630-a gas hole, 640-a cavity and 700-a supercharger.
Detailed Description
The invention will be described more fully hereinafter with reference to the accompanying drawings. Those skilled in the art will be able to implement the invention based on these teachings. Before the present invention is described in detail with reference to the accompanying drawings, it is to be noted that:
the technical solutions and features provided in the present invention in the respective sections including the following description may be combined with each other without conflict.
Moreover, the embodiments of the present invention described in the following description are generally only some embodiments of the present invention, and not all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort shall fall within the protection scope of the present invention.
With respect to terms and units in the present invention. The terms "comprising," "having," and any variations thereof in the description and claims of this invention and the related sections are intended to cover non-exclusive inclusions.
Fig. 1 is a schematic structural view of a first embodiment of an activated carbon activation system according to the present invention. As shown in fig. 1, the activated carbon activation system includes an activation assembly, a gas supply assembly, a heating assembly and a control assembly, which are as follows:
the activation assembly has a plurality of activation units, each activation unit having a cartridge 100 for reacting a carbonized material with a gaseous activating agent to produce activated carbon, the cartridge 100 not rotating during activation.
The volumes of all the cartridges 100 may be the same, may be partially the same, or may be different; the cartridge 100 may be used simultaneously or only partially. Therefore, when various specifications of carbonized materials need to be processed, the charging barrels 100 with corresponding quantity and volume are selected according to the types and filling amount of the carbonized materials, and the test efficiency can be remarkably improved.
The air supply assembly has air holder 210 and the gas-supply pipe 200 that matches with activation unit quantity, and air holder 210 is used for storing the gaseous activating agent, and the input and the air holder 210 of gas-supply pipe 200 switch on, and the output of gas-supply pipe 200 switches on with feed cylinder 100 is inside, and the gaseous activating agent in the gas-supply pipe 200 gets into the inside of feed cylinder 100 from the below of feed cylinder 100.
The heating assembly comprises a first heating unit, a second heating unit and a third heating unit; the first heating unit is used for heating the activation unit, and is provided with a groove body 510 matched with the outside of the charging barrel 100, a cover plate 520 detachably connected with the groove body 510 and a first heater 410 for heating the groove body 510; the second heating unit is used for heating the liquid activating agent, the output end of the second heating unit is connected with the air storage tank 210 of the air supply assembly, and the second heating unit comprises a second heater 420; the third heating unit is used for heating the gas delivery pipe 200, and comprises a strip-shaped pore passage matched with the outside of the gas delivery pipe 200 and a third heater 430 arranged on the strip-shaped pore passage.
The number of the first heaters 410 is matched with the number of the activation units, and the number of the third heaters 430 is matched with the number of the gas delivery pipes 200, so that not only is independent temperature control realized between the activation units, but also selective use can be performed according to the actual using number of the activation units, and resources are remarkably saved.
In order to avoid the activation temperature from being greatly reduced after the gaseous activating agent in the gas conveying pipe 200 enters the charging barrel 100 as much as possible, the heating temperature of the third heating unit is preferably 700-900 ℃, and in the specific implementation, the heating temperature can be 700 ℃, 750 ℃, 800 ℃, 850 ℃, 900 ℃ or other values.
The first heater 410 and the third heater 430 are preferably heating plates, and particularly, when the heating plates are in a zigzag shape, heating efficiency can be improved. The heat preservation layer 440 is arranged outside the heating sheet, so that heat loss can be reduced, and energy consumption is saved.
Fig. 2 is a schematic structural diagram of the connection mode of the trough body 510, the cover plate 520, the charging barrel 100 and the gas transmission pipe 200.
As shown in fig. 2, the open end of the cartridge 100 is provided with a first flange 110, the open end of the slot 510 is provided with a second flange 511, the outer diameter of the first flange 110 is larger than the cross-sectional diameter of the slot 510, and the first flange 110 is clamped between the second flange 511 and the cover plate 520, so that the cartridge 100 can be fixed when the first flange 110 is clamped between the second flange 511 and the cover plate 520, which not only facilitates the installation and removal of the cartridge 100, but also realizes static activation. Also, when the plurality of slots 510 are the same size, the volume of the cartridge 100 may be controlled by adjusting the cross-sectional diameter of the cartridge 100, and for a cartridge 100 having a smaller diameter, the slots 510 may be adapted by lifting the width of the first flange 110.
A gasket is provided between the cover plate 520 and the first flange 110 and/or between the first flange 110 and the second flange 511, thereby not only preventing the gaseous activating agent from overflowing, but also facilitating control of the pressure within the cartridge 100 to enhance the activating effect.
The cover plate 520 and the trough 510 are preferably connected by a snap fit, so that the cover plate is convenient to disassemble and assemble and can achieve a good sealing effect easily.
The bottom of the groove body 510 is provided with a first through hole which is connected with the gas conveying pipe 200 in a sealing manner, so that the gaseous activating agent in the gas conveying pipe 200 can conveniently enter the charging barrel 100 from the lower part of the charging barrel 100, and the pipeline length of the gas conveying pipe 200 is short.
The bottom of the charging barrel 100 is provided with a second through hole and an air duct 610 in sealing connection with the second through hole, and the air duct 610 is movably and hermetically connected with the air delivery pipe 200; the movable sealing connection means that the two pipelines adopt a connection mode which can obtain a sealing effect after being sleeved; therefore, the pressure control in the charging barrel 100 and the dismounting of the charging barrel 100 are facilitated, and a certain limiting and positioning effect can be achieved when the charging barrel 100 is placed.
The control assembly is used for controlling the pressure and the usage amount of the gaseous activating agent in the charging barrel 100, and comprises a pressure control unit, a usage amount control unit of the gaseous activating agent, a controller 300 and a display; the pressure control unit comprises a pressure gauge 311 and an exhaust valve 312 which are arranged on the cover plate 520, and the controller 300 controls the opening and closing of the exhaust valve 312 according to the detection value of the pressure gauge 311; the gas activating agent dosage control unit comprises a valve 321 and a mass flow meter 322 which are arranged on the gas transmission pipe 200, and the controller 300 controls the opening and closing of the valve 321 according to the preset gas activating agent dosage and the detection value of the mass flow meter 322; therefore, the structure is simple, and the pressure in the charging barrel 100 and the using amount of the gaseous activating agent can be accurately controlled.
The number of the pressure control units is matched with that of the activation units, and the number of the gaseous activating agent consumption control units is matched with that of the gas conveying pipes 200, so that independent and accurate control of the pressure and the gaseous activating agent consumption in each charging barrel is realized, a plurality of charging barrels 100 which operate simultaneously can have different pressures and gaseous activating agent consumption, selective starting and stopping can be carried out according to the actual consumption number and the service life of the activation units, and resources are remarkably saved. The display displays the detection value of the measuring element corresponding to each activation unit respectively.
When the pressure gauge 311 and the exhaust valve 312 are disposed on the cover plate 520, the apparatus structure is simplified, and the manufacturing is easy.
When the value displayed by the pressure gauge 311 is higher than the preset threshold value, the exhaust valve 312 is required to exhaust, and the gas exhausted by the exhaust valve 312 is input into the gas storage tank 210, so that the suction of workers can be prevented, and the gas can be recycled.
In addition, the control assembly may further include an alarm, and when the value of each measuring element exceeds a preset threshold, the controller 300 controls the alarm to be turned on, so as to timely remind a worker.
Fig. 3 is a schematic structural diagram of a second embodiment of the activated carbon activation system of the present invention.
As shown in fig. 3, on the basis of the first embodiment, the control assembly in the activated carbon activation system of the second embodiment further comprises a first temperature control unit and/or a second temperature control unit; wherein the first temperature control unit includes a first thermometer 331 for detecting a temperature of the housing 510 or the cartridge 100, and the controller 300 controls opening and closing of the first heater 410 according to a detection value of the first thermometer 331; the second temperature control unit includes a second thermometer 332 that detects the temperature of the gas delivery conduit 200, and the controller 300 controls the opening and closing of the third heater 430 according to the detected value of the second thermometer 332. Thus, the temperature of activation can be precisely controlled.
The third embodiment of the activated carbon activation system of the present invention is: on the basis of the first embodiment, the air delivery pipe 200 in the strip-shaped pore canal in the activated carbon activation system of the third embodiment is spiral. Therefore, the heating area of the materials in the gas conveying pipe 200 can be increased, and the heating efficiency is improved.
Fig. 4 is a schematic structural diagram of a fourth embodiment of the activated carbon activation system of the present invention.
As shown in fig. 4, on the basis of the first embodiment, the bottom of the charging barrel 100 in the activated carbon activation system of the fourth embodiment is provided with a second through hole and an air distribution pipe 620 hermetically connected with the second through hole, the cross section of the air distribution pipe 620 is honeycomb-shaped, and the air distribution pipe 620 is movably and hermetically connected with the air delivery pipe 200. Therefore, the gaseous activating agent in the gas conveying pipe 200 can uniformly enter the charging barrel 100 after being shunted, and the activating effect is improved; meanwhile, due to the abrupt narrowing of the flow channel, the gaseous activating agent can flow into the interior of the cartridge 100 in a spray shape, thereby improving the fluidity of the gaseous activating agent.
The pore diameter of the air distribution pipe 620 should be smaller than the grain size of the carbonized material, thereby preventing the carbonized material from falling into the air delivery pipe 200.
Fig. 5 is a schematic structural diagram of a fifth embodiment of the activated carbon activation system of the present invention.
As shown in fig. 5, in the activated carbon activation system of the fourth embodiment, on the basis of the first embodiment, the wall of the cylinder 100 is provided with air holes 630, and a cavity 640 for flowing the gaseous activating agent is left between the cylinder 100 and the groove 510. Therefore, the gaseous activating agent in the gas pipe 200 firstly enters the cavity 640 to form a uniform atmosphere, and then enters the interior of the charging barrel 100 through the air holes 630 distributed around the charging barrel 100 (namely, from the lower part and the side part of the charging barrel 100), so that the distribution uniformity of the gaseous activating agent in the charging barrel 100 can be further improved.
In the above embodiment, in order to promote sufficient power of the gaseous activating agent to enter the gaps of the carbonized material, the activated carbon activation system is further provided with a pressure booster 700 for boosting the pressure of the gaseous activating agent in the gas delivery pipe 200 or the gas storage tank 210.
The activated carbon activation method of the invention adopts the activated carbon activation system of any one of the embodiments to activate the carbonized material, and then the activated carbon is obtained.
The following description will explain advantageous effects of the activated carbon activation method using the activated carbon activation system of the fourth embodiment by way of specific examples.
Example 1: activating the carbonized material by adopting the activated carbon activation system of the fourth embodiment;
comparative example 1: the method comprises the following steps of (1) adopting a traditional experimental converter, inputting an activating agent into the converter through a peristaltic pump in a liquid state mode, and naturally gasifying the liquid activating agent through the temperature of a hearth of the converter; during the activation process, the motor drives the converter to rotate.
In example 1 and comparative example 1, the carbonized materials are obtained from the same batch and the same using amount, and are all obtained after wood chips are carbonized for 100 minutes at 650 ℃, the using amount of the activating agent is the same, and the activating time and the activating temperature are the same.
The performance parameters of the activated carbon prepared in example 1 and comparative example 1 are shown in table 1.
As can be seen from table 1, the activated carbon of example 1 has higher specific surface area and iodine value, which indicates that the activated carbon activation method of the present invention has better activation effect and higher application value of the activated carbon; in addition, the activated carbon in example 1 has larger particle size and higher yield, which shows that the activated carbon activation method of the invention not only has good activation effect, but also has smaller carbonized material loss and higher yield in the static activation process.
TABLE 1
| Activated carbon | Ash content | Specific surface area | Iodine number | Particle size | Yield of the product | Compressive strength |
| Example 1 | 3.6％ | 1205m3/g | 1100mg/g | 4.25mm | 63％ | 210N/cm |
| Comparative example 1 | 6.5％ | 1132m3/g | 950mg/g | 4.08mm | 53％ | 200N/cm |
In table 1:
"Ash" means: after a certain mass of activated carbon is burnt at high temperature to volatilize and dissipate organic components, the mass of obtained residues (mainly inorganic salts and oxides) accounts for the mass percentage of the activated carbon.
"specific surface area" means: refers to the total area per unit mass of activated carbon.
"iodine number" means: and (3) the amount of adsorbed iodine per gram of activated carbon on an iodine adsorption isotherm when the residual concentration is 0.02 moL/L.
"yield" means: the mass percentage of the activated carbon in the carbonized material
"compressive strength" means: strength limit of activated carbon particles per unit length when an external force is applied in a radial direction thereof.
The contents of the present invention have been explained above. Those skilled in the art will be able to implement the invention based on these teachings. All other embodiments, which can be derived by a person skilled in the art from the above description without inventive step, shall fall within the scope of protection of the present invention.
Claims (10)
1. The activated carbon activation system is characterized in that: the method comprises the following steps:
an activation assembly having one or more activation units; the activation unit is provided with a charging barrel (100) for reacting the carbonized material with a gaseous activating agent to generate activated carbon;
the air supply assembly is provided with air conveying pipes (200) the number of which is matched with that of the activation units, and the output ends of the air conveying pipes (200) are communicated with the interior of the charging barrel (100);
a heating assembly including a first heating unit that heats the activation unit, the first heating unit having a first heater (410);
a control assembly for controlling the pressure and amount of gaseous activator usage within the cartridge (100), the control assembly comprising a controller (300);
wherein, gaseous activating agent in the gas transmission pipe (200) enters the interior of the charging barrel (100) from the lower part and/or the side of the charging barrel (100), and the charging barrel (100) does not rotate in the activation process.
2. The activated carbon activation system of claim 1, wherein: the heating assembly further comprises:
the second heating unit heats the liquid activating agent, the output end of the second heating unit is connected with the gas supply assembly, and the second heating unit comprises a second heater (420); and/or the like and/or,
and the third heating unit is used for heating the air conveying pipe (200), and comprises a strip-shaped pore passage matched with the outside of the air conveying pipe (200) and a third heater (430) arranged on the strip-shaped pore passage.
3. The activated carbon activation system of claim 2, wherein: the heating assembly also has an insulating layer (440); and/or the air conveying pipe (200) in the strip-shaped pore canal is spiral.
4. The activated carbon activation system of claim 2, wherein: the first heating unit is also provided with a groove body (510) matched with the outside of the charging barrel (100) and a cover plate (520) detachably connected with the groove body (510), wherein the second heater (420) heats the groove body (510), and a first through hole matched with the outside of the gas conveying pipe (200) is formed in the groove body (510).
5. The activated carbon activation system of claim 4, wherein: the opening end of the charging barrel (100) is provided with a first flange (110), the opening end of the groove body (510) is provided with a second flange (511), the outer diameter of the first flange (110) is larger than the cross-sectional diameter of the groove body (510), and the first flange (110) is clamped between the second flange (511) and the cover plate (520); and/or a sealing gasket is arranged between the cover plate (520) and the first flange (110) and/or between the first flange (110) and the second flange (511).
6. The activated carbon activation system of claim 4, wherein: the control assembly further includes:
the pressure control unit comprises a pressure gauge (311) arranged on the cover plate (520) and an exhaust valve (312), and the controller (300) controls the exhaust valve (312) to open and close according to the detection value of the pressure gauge (311);
the gas activator consumption control unit comprises a valve (321) and a mass flow meter (322) which are arranged on the gas conveying pipe (200), and the controller (300) controls the valve (321) to open and close according to the preset gas activator consumption and the detection value of the mass flow meter (322).
7. The activated carbon activation system of claim 6, wherein: the control assembly further comprises a first temperature control unit and/or a second temperature control unit; wherein the content of the first and second substances,
the first temperature control unit comprises a first thermometer (331) for detecting the temperature of the trough body (510) or the charging barrel (100), and the controller (300) controls the opening and closing of the first heater (410) according to the detection value of the first thermometer (331);
the second temperature control unit comprises a second thermometer (332) for detecting the temperature of the gas delivery pipe (200), and the controller (300) controls the opening and closing of the third heater (430) according to the detection value of the second thermometer (332).
8. The activated carbon activation system of claim 4, wherein: the bottom of the charging barrel (100) is provided with a second through hole and an air distribution pipe (620) connected with the second through hole, the cross section of the air distribution pipe (620) is honeycomb-shaped, and the air distribution pipe (620) is movably connected with the air conveying pipe (200) in a sealing manner.
9. The activated carbon activation system of claim 4, wherein: the wall of the charging barrel (100) is provided with air holes (630), and a cavity (640) for the flow of the gaseous activator is reserved between the charging barrel (100) and the groove body (510).
10. The activated carbon activation method is characterized by comprising the following steps: activating the carbonized material by using the activated carbon activation system as claimed in any one of claims 1 to 9 to obtain activated carbon.
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| CN113319952A (en) * | 2021-05-31 | 2021-08-31 | 成都达奇环境科技有限公司 | Raw bamboo cutting system and raw bamboo cutting method |
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