CN212769886U - Equipment for preparing activated carbon by high-pressure steam - Google Patents
Equipment for preparing activated carbon by high-pressure steam Download PDFInfo
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- CN212769886U CN212769886U CN202020626274.2U CN202020626274U CN212769886U CN 212769886 U CN212769886 U CN 212769886U CN 202020626274 U CN202020626274 U CN 202020626274U CN 212769886 U CN212769886 U CN 212769886U
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Abstract
The utility model discloses a high-pressure water vapor preparation activated carbon device, which relates to the technical field of activated carbon preparation, the discharge end of a material lifting machine is arranged above a buffer bin, the buffer bin, an activation furnace and a cooling chamber are sequentially connected with the activated carbon lifting machine, the output end of one side of a preheating bin is connected with a draught fan and a chimney, the input end of one side of the activation furnace is connected with a high-temperature hot blast stove and a water vapor generator, and the output end of one side of the activation furnace is connected with a spray tower; and the spray tower is connected with a first circulating pipeline and a spray pump. The utility model increases the pressure of the activation furnace by synchronously heating the activation furnace in a dividing wall way; the water vapor can be forced into the biochar under a larger activation pressure, so that the activation effect of the water vapor on the activated carbon is improved; simultaneously, compare chemical methods such as using phosphoric acid, zinc chloride, potassium carbonate, utilize the utility model provides a high pressure steam method still has apparent environmental protection advantage.
Description
Technical Field
The utility model relates to a preparation active carbon technical field especially relates to a high pressure steam preparation active carbon equipment.
Background
One of the traditional methods for preparing activated carbon is to introduce water vapor into activated carbon as an activating agent at a high temperature (>800 ℃), promote the water vapor to perform a chemical reaction with active components in the biochar, and perform pore-forming on the biochar to realize the preparation of the activated carbon. The process has two problems: firstly, the activation energy of the chemical reaction between the water vapor and the active components in the biochar is larger, which means that the water vapor is not an excellent activating agent; secondly, under normal pressure, water molecules are difficult to enter the inside of the biochar, which means that the water molecules mainly react with active components on the surface of the biochar, or the pore-forming capability of water vapor is weak, so that equipment for preparing the active carbon by using the high-pressure water vapor is designed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing equipment for preparing activated carbon by high-pressure steam.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an apparatus for preparing activated carbon by high-pressure water vapor comprises biochar, a water vapor generator, a high-temperature hot blast stove, an electromagnetic valve, a material lifter, a buffer bin, a biochar blanking valve, a preheating bin, a preheating carbon blanking valve, an activation furnace, a high-temperature activated carbon blanking valve, a cooling chamber, an activated carbon blanking valve, an activated carbon lifter, an activated carbon package, a water pump, a cooling water tower, a spray pump, a sewage tank, activated tail gas, an induced draft fan and a chimney, wherein,
the discharge end of the material hoister is arranged above the buffer bin, the activation furnace and the cooling chamber are sequentially connected with the activated carbon hoister, the output end of one side of the preheating bin is connected with the induced draft fan and the chimney, the input end of one side of the activation furnace is connected with the high-temperature hot blast stove and the water vapor generator, and the output end of one side of the activation furnace is connected with the spray tower; the spray tower is connected with a first circulating pipeline and a spray pump, the output end at the bottom of the spray tower is connected with a sewage tank, the cooling chamber is connected with a second circulating pipeline, and the cooling tower and the water pump are sequentially installed on the second circulating pipeline.
Preferably, the biochar blanking valve is installed between the buffer bin and the preheating bin, the preheating carbon blanking valve is installed between the preheating bin and the activation furnace, the high-temperature activated carbon blanking valve is installed between the activation furnace and the cooling chamber, and electromagnetic valves are installed between the activation furnace, the water vapor generator and the spray tower.
Preferably, a pipeline is connected between the top end of the sewage tank and the induced draft fan, and the activated tail gas flows inside the pipeline.
Preferably, the biochar passes through the preheating bin, the activation furnace and the cooling chamber in sequence under the action of gravity, and the whole process is semi-continuous production.
Preferably, the retention time of the biochar in the preheating bin is 30-300 min, and the temperature of the biochar leaving the preheating bin is 200-600 ℃.
Preferably, the retention time of the biochar in the activation furnace is 30-300 min, the water vapor flow is 0.1-100 kg/kg of the biochar, the activation temperature is 700-1100 ℃, and the pressure is 200-20000 KPa.
Preferably, the two blanking valves can be one or more of a half ball valve and a disc valve, and the steam valve can be one or more of a solenoid valve and a flow control valve.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a mode of sealing the activation furnace is adopted, water vapor with certain pressure is sealed in the activation furnace, and the activation furnace is synchronously heated in a dividing wall manner, so that the pressure of the activation furnace is increased; the water vapor can be forced into the biochar under a larger activation pressure, so that the activation effect of the water vapor on the activated carbon is improved; simultaneously, compare chemical methods such as using phosphoric acid, zinc chloride, potassium carbonate, utilize the utility model provides a high pressure steam method still has apparent environmental protection advantage.
Drawings
Fig. 1 is a schematic structural diagram of the equipment for preparing activated carbon by high-pressure steam according to the present invention.
In the figure: 1 biochar, 2 water vapor generators, 3 high-temperature hot blast stoves, 4 electromagnetic valves, 5 material lifting machines, 6 buffer bins, 7 biochar blanking valves, 8 preheating bins, 9 preheating carbon blanking valves, 10 activation furnaces, 11 high-temperature activated carbon blanking valves, 12 cooling chambers, 13 activated carbon blanking valves, 14 activated carbon lifting machines, 15 activated carbon bags, 16 water pumps, 17 cooling water towers, 18 spray towers, 19 spray pumps, 20 sewage tanks, 21 activated tail gas, 22 induced draft fans and 23 chimneys.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, an apparatus for preparing activated carbon by high-pressure steam comprises a biochar 1, a steam generator 2, a high-temperature hot-blast stove 3, an electromagnetic valve 4, a material lifter 5, a buffer bin 6, a biochar blanking valve 7, a preheating bin 8, a preheating carbon blanking valve 9, an activation furnace 10, a high-temperature activated carbon blanking valve 11, a cooling chamber 12, an activated carbon blanking valve 13, an activated carbon lifter 14, an activated carbon package 15, a water pump 16, a cooling water tower 17, a spray tower 18, a spray pump 19, a sewage tank 20, activated tail gas 21, an induced draft fan 22 and a chimney 23, wherein,
the discharge end of the material hoister 5 is arranged above the buffer bin 6, the activation furnace 10 and the cooling chamber 12 are sequentially connected with the activated carbon hoister 14, the output end of one side of the preheating bin 8 is connected with the induced draft fan 22 and the chimney 23, the input end of one side of the activation furnace 10 is connected with the high-temperature hot blast furnace 3 and the water vapor generator 2, and the output end of one side of the activation furnace 10 is connected with the spray tower 18; a first circulation pipeline and a spray pump 19 are connected to the spray tower 18, the output end of the bottom of the spray tower 18 is connected with a sewage tank 20, a second circulation pipeline is connected to the cooling chamber 12, and the cooling water tower 17 and the water pump 16 are sequentially installed on the second circulation pipeline; the biochar blanking valve 7 is installed between the buffer bin 6 and the preheating bin 8, the preheating carbon blanking valve 9 is installed between the preheating bin 8 and the activation furnace 10, the high-temperature activated carbon blanking valve 11 is installed between the activation furnace 10 and the cooling chamber 12, the electromagnetic valves 4 are installed between the activation furnace 10 and the water vapor generator 2 and between the activation furnace 10 and the spray tower 18, a pipeline is connected between the top end of the sewage tank 20 and the draught fan 22, and the activated tail gas 21 flows inside the pipeline;
example one
The equipment for preparing the activated carbon by using the high-pressure water vapor comprises the following working steps:
s1, sequentially passing the biochar 1 raw material through a preheating bin 8, an activation furnace 10 and a cooling chamber 12 from the top to finish preheating, activation and cooling processes, so as to realize the preparation of activated carbon;
s2, in the preheating bin 8, the heat for preheating the biochar 1 comes from high-temperature flue gas generated in the high-temperature hot blast stove 3, and the biochar 1 in the preheating bin 8 is preheated through dividing wall type heat exchange;
s3, in the activation furnace 10, the heat in the activation process comes from high-temperature flue gas generated in the high-temperature hot blast stove 3, and necessary heat is provided for the activation process of the activated carbon in the activation furnace 10 through dividing wall type heat exchange; meanwhile, high-pressure steam is provided for the activation of the activated carbon in the activation furnace through the steam generator 2;
s4, sealing the activation furnace 10 through closing of two blanking valves and two water vapor electromagnetic valves;
and S5, cooling the activated carbon in the cooling chamber by dividing wall type cooling.
In the step S1, the biochar 1 sequentially passes through the preheating bin, the activation furnace and the cooling chamber under the action of gravity, and the whole process is semi-continuous production; in the step S2, the retention time of the biochar in the preheating bin is 30-300 min, and the temperature of the biochar leaving the preheating bin is 200-600 ℃; in the step S3, the retention time of the biochar in the activation furnace is 30-300 min, the water vapor flow is 0.1-100 kg/kg of biochar, the activation temperature is 700-1100 ℃, and the pressure is 200-20000 KPa; in addition, the high-temperature flue gas provides heat for the activated carbon activation process in the activation furnace in a dividing wall type mode; in step S4, the two blanking valves may be one or more of a half ball valve and a disc valve, and the steam valve may be one or more of an electromagnetic valve and a flow control valve; in step S5, the activated carbon is cooled in the cooling chamber by a dividing wall method.
Specifically, as shown in fig. 1, the biochar 1 is transported to the site by a biochar 1 transport vehicle; the water vapor generator 2 provides high-temperature water vapor for the activation of the biochar 1, and the high-temperature water vapor enters the activation furnace 10 after passing through the electromagnetic valve 4; the high-temperature hot blast stove 3 takes high-temperature flue gas as a medium for heat transfer, and provides heat for the activation process of the biochar 1 through dividing wall type heat transfer in the activation furnace 10; the biochar is fed to a 6-buffer bin at the top through a material elevator 5, enters a preheating bin 8 through a biochar blanking valve 7, and is preheated by high-temperature hot air in the preheating bin 8; the preheated biochar 1 falls into an activation furnace 10 through a preheated carbon blanking valve 9, water vapor is sealed in the activation furnace 10 through a 4-electromagnetic valve and a 5-electromagnetic valve, the activation furnace 10 is sealed through the preheated carbon blanking valve 9 and a high-temperature activated carbon blanking valve 11, the pressure of the activation furnace 10 is regulated according to process requirements, the high-temperature and high-pressure condition of the activation furnace 10 is maintained, and the biochar 1 is fully activated in the activation furnace 10 and converted into high-temperature activated carbon; after a certain activation time, the high-temperature activated carbon falls into a cooling chamber 12 through a high-temperature activated carbon blanking valve 11, after the activated carbon is cooled by a dividing wall type and cooled to room temperature, the activated carbon falls into an activated carbon lifting machine 14 through an activated carbon blanking valve 13 and is conveyed to an activated carbon bagging machine 15;
wherein, the cold energy of the cooling chamber 12 is provided by the cooling water tower 17, the cooling water in the cooling water tower 17 enters the jacket of the cooling chamber 12 through the action of the water pump 16, the heat in the active carbon is conducted to the cooling water through the dividing wall type heat transfer, and then the heat returns to the cooling water tower 17.
After the activation of the biochar 1 is completed in the activation furnace 10, the high-pressure water vapor in the activation furnace 10 carries the activated gas generated in the activation process to enter the spray tower 18 through the electromagnetic valve 6, the condensable components in the activated gas are sprayed and cooled under the action of the spray pump 19, and the cooled condensable components are collected in the sewage tank 20 to be treated; the non-condensable activated tail gas 21 leaves from the spray tower 18 and enters a chimney 23 to be discharged under the action of an induced draft fan 22.
The utility model discloses a mode of sealing the activation furnace is adopted, water vapor with certain pressure is sealed in the activation furnace, and the activation furnace is synchronously heated in a dividing wall manner, so that the pressure of the activation furnace is increased; the water vapor can be forced into the biochar under a larger activation pressure, so that the activation effect of the water vapor on the activated carbon is improved; simultaneously, compare chemical methods such as using phosphoric acid, zinc chloride, potassium carbonate, utilize the utility model provides a high pressure steam method still has apparent environmental protection advantage.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The equipment for preparing the activated carbon by using the high-pressure water vapor is characterized by comprising biological carbon (1), a water vapor generator (2), a high-temperature hot blast stove (3), an electromagnetic valve (4), a material lifter (5), a buffer bin (6), a biological carbon blanking valve (7), a preheating bin (8), a preheating carbon blanking valve (9), an activation furnace (10), a high-temperature activated carbon blanking valve (11), a cooling chamber (12), an activated carbon blanking valve (13), an activated carbon lifter (14), an activated carbon packing bag (15), a water pump (16), a cooling water tower (17), a spray tower (18), a spray pump (19), a sewage tank (20), activated tail gas (21), an induced draft fan (22) and a chimney (23), wherein,
the discharge end of the material hoister (5) is arranged above the buffer bin (6), the activation furnace (10) and the cooling chamber (12) are sequentially connected with the activated carbon hoister (14), the output end of one side of the preheating bin (8) is connected with the induced draft fan (22) and the chimney (23), the input end of one side of the activation furnace (10) is connected with the high-temperature hot blast stove (3) and the water vapor generator (2), and the output end of one side of the activation furnace (10) is connected with the spray tower (18); the spray tower (18) is connected with a first circulating pipeline and a spray pump (19), the output end of the bottom of the spray tower (18) is connected with a sewage tank (20), the cooling chamber (12) is connected with a second circulating pipeline, and the cooling tower (17) and the water pump (16) are sequentially installed on the second circulating pipeline.
2. The equipment for preparing the activated carbon by the high-pressure water vapor is characterized in that the biochar blanking valve (7) is installed between the buffer bin (6) and the preheating bin (8), the preheating carbon blanking valve (9) is installed between the preheating bin (8) and the activation furnace (10), the high-temperature activated carbon blanking valve (11) is installed between the activation furnace (10) and the cooling chamber (12), and the electromagnetic valves (4) are installed between the activation furnace (10) and the water vapor generator (2) and the spray tower (18).
3. The equipment for preparing the activated carbon by the high-pressure steam as claimed in claim 1, wherein a pipeline is connected between the top end of the sewage tank (20) and the induced draft fan (22), and the activated tail gas (21) flows inside the pipeline.
4. The equipment for preparing activated carbon by high-pressure steam as claimed in claim 1, wherein the biochar (1) passes through the preheating bin, the activation furnace and the cooling chamber in sequence under the action of gravity, and the whole process is semi-continuous production.
5. The equipment for preparing the activated carbon by the high-pressure water vapor is characterized in that the residence time of the biochar in the preheating bin (8) is 30-300 min, and the temperature of the biochar leaving the preheating bin is 200-600 ℃.
6. The equipment for preparing activated carbon by high-pressure water vapor according to claim 1, wherein the retention time of the biochar in the activation furnace (10) is 30-300 min, the water vapor flow rate is 0.1-100 kg/kg of biochar, the activation temperature is 700-1100 ℃, and the pressure is 200-20000 KPa.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020626274.2U CN212769886U (en) | 2020-04-23 | 2020-04-23 | Equipment for preparing activated carbon by high-pressure steam |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020626274.2U CN212769886U (en) | 2020-04-23 | 2020-04-23 | Equipment for preparing activated carbon by high-pressure steam |
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| CN212769886U true CN212769886U (en) | 2021-03-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111392725A (en) * | 2020-04-23 | 2020-07-10 | 上海动银科技有限公司 | Process for preparing activated carbon by high-pressure steam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111392725A (en) * | 2020-04-23 | 2020-07-10 | 上海动银科技有限公司 | Process for preparing activated carbon by high-pressure steam |
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