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CN117466296A - Waste powdered carbon activation furnace and activation process - Google Patents

Waste powdered carbon activation furnace and activation process Download PDF

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Publication number
CN117466296A
CN117466296A CN202311583349.8A CN202311583349A CN117466296A CN 117466296 A CN117466296 A CN 117466296A CN 202311583349 A CN202311583349 A CN 202311583349A CN 117466296 A CN117466296 A CN 117466296A
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China
Prior art keywords
furnace body
air
piece
activated carbon
furnace
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Application number
CN202311583349.8A
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CN117466296B (en
Inventor
胡腾飞
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Tangshan Tianhe Active Carbon Co ltd
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Tangshan Tianhe Active Carbon Co ltd
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    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/30Active carbon
    • C01B32/39Apparatus for the preparation thereof
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/30Active carbon
    • C01B32/312Preparation
    • C01B32/318Preparation characterised by the starting materials
    • C01B32/324Preparation characterised by the starting materials from waste materials, e.g. tyres or spent sulfite pulp liquor
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/30Active carbon
    • C01B32/312Preparation
    • C01B32/336Preparation characterised by gaseous activating agents

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

The invention relates to the technical field of powder activated carbon activation, and provides a waste powder activated carbon activation furnace which comprises a furnace body, wherein the furnace body is provided with a feed inlet and a channel inside, and the feed inlet is communicated with the channel; the steam discharge mechanism is arranged outside the furnace body, a vent is further arranged on the channel, and the steam discharge mechanism is communicated with the vent; the quantitative discharging mechanism is arranged in the furnace body and is used for discharging the materials falling out of the feeding hole into the channel; the blowing mechanism is arranged in the furnace body and positioned below the quantitative discharging mechanism and is used for blowing away the materials discharged by the quantitative discharging mechanism. Through the technical scheme, the problem of low efficiency when the existing activating furnace activates the powdered activated carbon in the prior art is solved.

Description

Waste powdered carbon activation furnace and activation process
Technical Field
The invention relates to the technical field of powder activated carbon activation, in particular to a waste powder carbon activation furnace and an activation process.
Background
The powdered activated carbon is prepared by taking high-quality wood dust, coconut shells and coal as raw materials and carrying out finish machining through a series of production processes. The powdered activated carbon has the advantages of high filtering speed, good adsorption performance, strong decolorizing and deodorizing capability, economy and durability and the like, and the product is widely applied to industries such as food, beverage, medicine, tap water, sugar, grease and the like, and is also commonly applied to the fields such as brewing, sewage treatment, power plants, electroplating and the like.
The powder activated carbon has higher manufacturing cost, and the waste saturated activated carbon not only causes resource waste, but also causes secondary environmental pollution, so that the activated carbon is effectively regenerated and the utilization efficiency of the activated carbon is improved in the aspects of economy and environmental protection.
The existing powder activated carbon activation method is that the powder activated carbon is put into an activation furnace to make the powder activated carbon and hot steam carry out chemical reaction, the powder activated carbon is gradually dried and heated by the steam, and the steam contacts with carbon particles in the continuous flowing process to form activation reaction.
However, when the powdered activated carbon is activated in the conventional activation furnace, the steam cannot be sufficiently contacted with the powdered activated carbon, resulting in low activation efficiency, and thus improvement is required to solve the above problems.
Disclosure of Invention
The invention provides a waste powdered carbon activation furnace and an activation process, which solve the problem of low efficiency when the existing activation furnace activates powdered activated carbon in the related technology.
The technical scheme of the invention is as follows:
a waste powdered carbon activation furnace, which comprises,
the furnace body is provided with a feed inlet and a channel inside, and the feed inlet is communicated with the channel;
the steam discharge mechanism is arranged outside the furnace body, the channel is also provided with a vent, and the steam discharge mechanism is communicated with the vent;
the quantitative discharging mechanism is arranged in the furnace body and is used for discharging the materials falling out of the feeding hole into the channel;
the blowing mechanism is arranged in the furnace body and positioned below the quantitative discharging mechanism and is used for blowing away the materials discharged by the quantitative discharging mechanism.
As a further technical scheme, the air vents are multiple, the channel is internally provided with a spiral air guide groove, and the air vents face the air guide groove.
As a further technical solution, the steam discharging mechanism comprises,
the bracket is arranged on the furnace body;
a main pipe arranged in the bracket;
one end of the connecting pipe is connected to the main pipeline, and the other end of the connecting pipe is connected to the air vent.
As a further technical scheme, the quantitative discharging mechanism comprises,
the storage hopper is arranged in the furnace body and positioned at the feed inlet, and the inclination of the wall surface of one end of the storage hopper, which is close to the feed inlet, is larger than that of the other end wall surface;
the annular extension section is arranged at the bottom end of the storage hopper;
and the baffle is rotatably arranged on the annular extension section and is used for opening or closing the storage hopper.
As a further technical scheme, the blowing mechanism comprises,
the gas storage part is hollow and arranged on the inner wall of the furnace body, one end of the gas storage part is positioned in the furnace body, the other end of the gas storage part is positioned outside the furnace body, and the gas storage part is positioned below the baffle plate;
the air outlet piece is arranged at one end of the air storage piece, which is positioned in the furnace body, and is provided with a first air outlet;
the first flexible piece is arranged on the air outlet piece, and the first air outlet is opened after the first flexible piece is deformed;
the pushing piece is movably arranged in the air storage piece and is abutted against the inner wall of the air storage piece, and the pushing piece is provided with a second air outlet;
the second flexible piece is arranged on the pushing piece, and the second air outlet is opened after the second flexible piece is deformed.
As a further technical scheme, the blowing mechanism further comprises,
the guide plate is arranged at the movable end of the first flexible piece and used for guiding gas to the baffle plate;
the protective cover is arranged at one end of the gas storage part, which is positioned outside the furnace body, and is provided with a gas supplementing port;
the push rod is arranged on the pushing piece and extends out of the air supplementing opening, and the size of the push rod is smaller than that of the air supplementing opening.
As a further technical scheme, a waste powdered carbon activation process is also provided, and the waste powdered carbon activation furnace is used, and further comprises the following steps:
s1, powdery active carbon enters the furnace body from the feed inlet, the powdery active carbon firstly falls into the storage hopper, after a certain amount of powdery active carbon is accumulated on one side of the baffle, the baffle rotates under the influence of gravity, a part of powdery active carbon falls out of the storage hopper, and meanwhile, the blowing mechanism blows the powdery active carbon to the air vent, so that the powdery active carbon and the air vent are fully mixed, steam discharged by the steam discharging mechanism is pushed forward by the steam, and finally, the activated carbon is activated in the activation furnace.
The working principle and the beneficial effects of the invention are as follows:
according to the invention, the quantitative discharging mechanism and the blowing mechanism are additionally arranged in the furnace body, the blowing mechanism is similar to an inflator, intermittent blowing can be realized, the quantitative discharging mechanism can realize intermittent discharging, and the quantitative discharging mechanism and the blowing mechanism are matched for use, so that powdered activated carbon can be blown away, the contact area between the powdered activated carbon and steam is enlarged, the powdered activated carbon and the steam are fully mixed, and the efficiency of an activation reaction is improved.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the furnace body of the invention;
FIG. 3 is a schematic diagram of a quantitative blanking mechanism in the present invention;
FIG. 4 is a schematic diagram of the blowing mechanism according to the present invention;
FIG. 5 is a schematic view of the structure of FIG. 4 with the air reservoir removed;
FIG. 6 is a schematic view of the structure of FIG. 5 from another view;
in the figure: 1. furnace body, 2, feed inlet, 3, passageway, 4, steam discharge mechanism, 5, the air vent, 6, quantitative unloading mechanism, 7, blowing mechanism, 8, air guide groove, 9, support, 10, main pipe, 11, connecting pipe, 12, storage hopper, 13, annular extension section, 14, baffle, 15, air storage piece, 16, air outlet piece, 17, first gas outlet, 18, first flexible piece, 19, pushing piece, 20, second gas outlet, 21, second flexible piece, 22, guide plate, 23, protective cover, 24, air supplementing port, 25, push rod.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 6, the present embodiment proposes a waste powdered carbon activation furnace, comprising,
a waste powdered carbon activation furnace, which comprises,
the furnace body 1 is provided with a feed inlet 2 and a channel 3 inside, and the feed inlet 2 is communicated with the channel 3;
the steam discharging mechanism 4 is arranged outside the furnace body 1, the channel 3 is also provided with a vent 5, and the steam discharging mechanism 4 is communicated with the vent 5;
the quantitative discharging mechanism 6 is arranged in the furnace body 1 and is used for discharging the materials falling from the feeding port 2 into the channel 3;
the blowing mechanism 7 is arranged in the furnace body 1 and positioned below the quantitative discharging mechanism 6 and is used for blowing away the materials discharged by the quantitative discharging mechanism 6.
In this embodiment, in order to solve the problem of low efficiency when the existing activation furnace activates the powdered activated carbon in the related art, a quantitative discharging mechanism 6 and a blowing mechanism 7 are additionally arranged in the furnace body 1, the blowing mechanism 7 is similar to an inflator, intermittent blowing can be performed, intermittent discharging can be performed by the quantitative discharging mechanism 6, the quantitative discharging mechanism and the blowing mechanism are matched for use, the powdered activated carbon can be blown away, the contact area between the powdered activated carbon and steam is enlarged, the powdered activated carbon and the steam are fully mixed, and the efficiency of the activation reaction is improved.
The specific working principle is as follows: the powdered activated carbon enters the furnace body 1, is intermittently discharged by the quantitative discharging mechanism 6, is blown away by the air blowing mechanism 7 and is blown to the air vent 5, and is discharged after being fully activated.
Further, the plurality of air vents 5 are provided, and the air channel 3 is internally provided with a spiral air guide groove 8, and the air vents 5 face the air guide groove 8.
In this embodiment, the air vent 5 can blow the powdered activated carbon to the air guide groove 8, so that the powdered activated carbon can advance along the air guide groove 8, and the residence time of the powdered activated carbon can be prolonged, so that the powdered activated carbon can fully react, and the activation rate can be provided.
As a further solution, the steam discharging means 4 comprise,
a bracket 9 arranged on the furnace body 1;
a main pipe 10 disposed in the bracket 9;
and one end of the connecting pipe 11 is connected to the main pipe 10, and the other end is connected to the air vent 5.
In this embodiment, the main pipe 10 is installed outside the furnace body 1 through the bracket 9, the main pipe 10 can be externally connected with a steam engine to be introduced with steam, and the steam is discharged into the air vent 5 through the connecting pipe 11, and then enters the inside of the furnace body 1.
Further, the quantitative discharging mechanism 6 comprises,
a storage hopper 12 arranged in the furnace body 1 and positioned at the feed inlet 2, wherein the inclination of the wall surface of one end of the storage hopper 12 close to the feed inlet 2 is larger than that of the other end wall surface;
an annular extension 13 provided at the bottom end of the storage hopper 12;
a shutter 14 is rotatably provided on the annular extension 13 for opening or closing the hopper 12.
In this embodiment, the specific working principle of the quantitative blanking mechanism 6 is as follows: unlike the existing hopper 12, which is of an asymmetric structure, the inclination of the left side wall is large, the inclination of the right side wall is small, so that the powder activated carbon which can be received by the left side wall is more, the powder activated carbon which falls on the left side of the baffle 14 is more, the baffle 14 is pushed away under the influence of gravity, the powder activated carbon can fall out of the hopper 12, and the powder activated carbon falls onto the baffle 14 at a speed lower than the speed at which the powder activated carbon falls out of the baffle 14 in practice, so that the weight of the powder activated carbon on the left side of the baffle 14 is changed, and the baffle 14 is continuously closed and opened, namely, the powder activated carbon intermittently falls from the hopper 12. The annular extension section 13 can be matched with the outline of the baffle plate 14, so that the tightness between the baffle plate 14 and the storage hopper 12 can be improved, and the baffle plate 14 can be arranged on the annular extension section 13 by using a curved spring, so that the automatic rebound effect of the baffle plate is realized.
Further, the air blowing mechanism 7 includes,
the gas storage part 15 is hollow and arranged on the inner wall of the furnace body 1, one end of the gas storage part is positioned inside the furnace body 1, the other end of the gas storage part is positioned outside the furnace body 1, and the gas storage part 15 is positioned below the baffle 14;
the air outlet piece 16 is arranged at one end of the air storage piece 15 positioned in the furnace body 1, and the air outlet piece 16 is provided with a first air outlet 17;
the first flexible piece 18 is arranged on the air outlet piece 16, and the first air outlet 17 is opened after the first flexible piece 18 is deformed;
the pushing piece 19 is movably arranged in the air storage piece 15 and is abutted against the inner wall of the air storage piece 15, and the pushing piece 19 is provided with a second air outlet 20;
the second flexible piece 21 is arranged on the pushing piece 19, and the second air outlet 20 is opened after the second flexible piece 21 is deformed.
In this embodiment, the working principle of the air blowing mechanism 7 is: the first flexible member 18 and the second flexible member 21 can be rubber mats, which have strong deformation recovery capability, when the air needs to be blown, the pushing member 19 is moved in a direction away from the air outlet member 16, at the moment, the first flexible member 18 is tightly attached to the first air outlet 17 under the influence of air pressure, the air in the furnace body 1 is blocked, the air cannot enter the air storage member 15, the second flexible member 21 is tilted, the air outside the furnace body 1 is pumped into a space between the air outlet member 16 and the pushing member 19 from the second air outlet 20, after the pushing member 19 stops, the second flexible member 21 is restored, the second air outlet 20 is closed, then the pushing member 19 is pushed towards the air outlet member 16, and similarly, under the influence of the air pressure, the second flexible member 21 is tightly attached to the second air outlet 20, the first flexible member 18 is tilted, and the air is pushed out from the first air outlet 17 by the pushing member 19, so that the air blowing action is realized.
Further, the blowing mechanism 7 further includes,
the deflector 22, one end of the first flexible member 18 is movable, the other end is fixed, and the deflector 22 is arranged at the movable end of the first flexible member 18 and is used for guiding the gas to the baffle 14;
a protective cover 23 arranged at one end of the gas storage member 15 outside the furnace body 1, the protective cover 23 having a gas-supplementing port 24;
the push rod 25 is arranged on the pushing piece 19 and extends out of the air supplementing port 24, and the size of the push rod 25 is smaller than that of the air supplementing port 24.
In this embodiment, a push rod 25 is further disposed on the pushing member 19, and the push rod 25 can be externally driven to realize continuous action, and the deflector 22 can better guide the blown gas to the baffle 14, so that the blown gas can better blow off the falling powdered activated carbon.
Further, a waste powdered carbon activation process is also provided, and the method further comprises the following steps:
s1, powdered activated carbon enters a furnace body 1 from a feed inlet 2, the powdered activated carbon falls into a storage hopper 12 firstly, after a certain amount of powdered activated carbon is accumulated on one side of a baffle plate 14, the baffle plate 14 rotates under the influence of gravity, a part of powdered activated carbon falls out of the storage hopper 12, and simultaneously a blowing mechanism 7 blows air to blow the powdered activated carbon to a vent 5, so that the powdered activated carbon and the vent 5 are fully mixed, steam discharged by a steam discharge mechanism 4 is pushed forward, and finally the powdered activated carbon is activated in an activation furnace.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims (7)

1. A waste powdered carbon activation furnace is characterized by comprising,
the furnace body (1) is provided with a feed inlet (2) and a channel (3) inside, and the feed inlet (2) is communicated with the channel (3);
the steam discharging mechanism (4) is arranged outside the furnace body (1), the channel (3) is also provided with a vent (5), and the steam discharging mechanism (4) is communicated with the vent (5);
the quantitative discharging mechanism (6) is arranged in the furnace body (1) and is used for discharging the materials falling out of the feeding port (2) into the channel (3);
the blowing mechanism (7) is arranged in the furnace body (1) and positioned below the quantitative discharging mechanism (5) and is used for blowing away materials discharged by the quantitative discharging mechanism (5).
2. Waste powdered carbon activating oven according to claim 1, characterized in that the number of air vents (5) is plural, the channel (3) is also provided with a spiral air guiding groove (8), and the air vents (5) are directed to the air guiding groove (8).
3. A waste powdered carbon activating oven as claimed in claim 1, characterized in that said steam discharging means (4) comprises,
the bracket (9) is arranged on the furnace body (1);
a main pipe (10) arranged in the bracket (9);
and one end of the connecting pipe (11) is connected to the main pipeline (10), and the other end of the connecting pipe is connected to the air vent (5).
4. The waste powdered carbon activation furnace as claimed in claim 1, characterized in that the quantitative blanking mechanism (6) comprises,
a storage hopper (12) arranged in the furnace body (1) and positioned at the feed inlet (2), wherein the inclination of the wall surface of one end of the storage hopper (12) close to the feed inlet (2) is larger than that of the other end wall surface;
the annular extension section (13) is arranged at the bottom end of the storage hopper (12);
and the baffle (14) is rotatably arranged on the annular extension section (13) and is used for opening or closing the storage hopper (12).
5. A waste powdered carbon activating oven as claimed in claim 4, characterized in that said blowing means (7) comprises,
the gas storage part (15) is hollow and arranged on the inner wall of the furnace body (1), one end of the gas storage part is positioned inside the furnace body (1), the other end of the gas storage part is positioned outside the furnace body (1), and the gas storage part (15) is positioned below the baffle (14);
the air outlet piece (16) is arranged at one end of the air storage piece (15) positioned in the furnace body (1), and the air outlet piece (16) is provided with a first air outlet (17);
the first flexible piece (18) is arranged on the air outlet piece (16), and the first air outlet (17) is opened after the first flexible piece (18) is deformed;
the pushing piece (19) is movably arranged in the air storage piece (15) and is abutted against the inner wall of the air storage piece (15), and the pushing piece (19) is provided with a second air outlet (20);
the second flexible piece (21) is arranged on the pushing piece (19), and the second air outlet (20) is opened after the second flexible piece (21) is deformed.
6. A waste powdered carbon activating oven as claimed in claim 5, characterized in that said blowing means (7) further comprises,
the guide plate (22) is arranged at the movable end of the first flexible piece (18) and is used for guiding gas to the baffle (14);
the protective cover (23) is arranged at one end of the air storage piece (15) positioned outside the furnace body (1), and the protective cover (23) is provided with an air supplementing port (24);
the push rod (25) is arranged on the pushing piece (19) and extends out of the air supplementing port (24), and the size of the push rod (25) is smaller than that of the air supplementing port (24).
7. A waste powdered carbon activation process using a waste powdered carbon activation furnace as set forth in claim 6, further comprising the steps of:
s1, powder activated carbon enters the furnace body (1) from the feed inlet (2), the powder activated carbon firstly falls into the storage hopper (12), after a certain amount of powder activated carbon is accumulated on one side of the baffle (14), the baffle (14) rotates under the influence of gravity, a part of powder activated carbon falls out of the storage hopper (12), and meanwhile, the blowing mechanism (7) blows the powder activated carbon to the air vent (5) so as to enable the powder activated carbon and the powder activated carbon to be fully mixed, and steam exhausted by the steam exhausting mechanism (4) is pushed forward by the steam exhausting mechanism, and finally, the powder activated carbon is activated in the activating furnace.
CN202311583349.8A 2023-11-24 2023-11-24 Waste powdered carbon activation furnace and activation process Active CN117466296B (en)

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CN117466296B CN117466296B (en) 2024-06-14

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150144831A1 (en) * 2012-05-07 2015-05-28 Biogenic Reagent Ventures, Llc Biogenic activated carbon and methods of making and using same
CN106430191A (en) * 2016-10-14 2017-02-22 张西进 Active carbon activation furnace and active carbon production method
CN211310858U (en) * 2020-01-08 2020-08-21 邵武市鑫森环保净化设备制造有限公司 Be used for active carbon ration activation furnace
CN216273128U (en) * 2021-12-14 2022-04-12 青岛冠宝林活性炭有限公司 Built-in steam pipe type activation furnace
CN218786380U (en) * 2022-10-08 2023-04-04 苏州吉玛环保科技有限公司 Auxiliary powder discharging device
CN219652688U (en) * 2023-04-12 2023-09-08 江苏亚旗环保科技有限公司 Activating device for activated carbon
CN116948705A (en) * 2023-08-12 2023-10-27 江苏沃土农业开发有限公司 Biomass fluidized bed high-temperature gasification and biomass activated carbon co-production device and system method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150144831A1 (en) * 2012-05-07 2015-05-28 Biogenic Reagent Ventures, Llc Biogenic activated carbon and methods of making and using same
CN106430191A (en) * 2016-10-14 2017-02-22 张西进 Active carbon activation furnace and active carbon production method
CN211310858U (en) * 2020-01-08 2020-08-21 邵武市鑫森环保净化设备制造有限公司 Be used for active carbon ration activation furnace
CN216273128U (en) * 2021-12-14 2022-04-12 青岛冠宝林活性炭有限公司 Built-in steam pipe type activation furnace
CN218786380U (en) * 2022-10-08 2023-04-04 苏州吉玛环保科技有限公司 Auxiliary powder discharging device
CN219652688U (en) * 2023-04-12 2023-09-08 江苏亚旗环保科技有限公司 Activating device for activated carbon
CN116948705A (en) * 2023-08-12 2023-10-27 江苏沃土农业开发有限公司 Biomass fluidized bed high-temperature gasification and biomass activated carbon co-production device and system method

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