CN213141419U - Device for producing carbonized materials - Google Patents

Device for producing carbonized materials Download PDF

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Publication number
CN213141419U
CN213141419U CN202021847843.2U CN202021847843U CN213141419U CN 213141419 U CN213141419 U CN 213141419U CN 202021847843 U CN202021847843 U CN 202021847843U CN 213141419 U CN213141419 U CN 213141419U
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China
Prior art keywords
dust
external heating
carbonization furnace
heating type
tail gas
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CN202021847843.2U
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Chinese (zh)
Inventor
张鹏
付鹏
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Ningxia Hengji Environmental Protection Technology Co ltd
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Ningxia Hengji Environmental Protection Technology Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • Y02P20/129Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Abstract

The utility model provides a device for production of carbonization material belongs to coal chemical production technical field. The device includes: the external heating type carbonization furnace is used for drying, pyrolyzing and curing the raw materials to produce carbonized materials; the incinerator is communicated with the external heating type carbonization furnace; the waste heat boiler is communicated with the external heating type carbonization furnace; the first heat exchanger is communicated with the waste heat boiler; the steam generated by the waste heat boiler is separated by the steam separating cylinder and the steam-water separating mechanism in sequence, and then enters the external heating type carbonization furnace again. The device is mainly used for production of the carbonized materials, has reasonable design, is energy-saving and environment-friendly, and can realize the reutilization of heat and steam. Meanwhile, the regulation and control of heat entering the external heating type carbonization furnace again can be realized by adjusting the heat exchange quantity of the first heat exchanger, so that the accurate control of the production temperature is realized.

Description

Device for producing carbonized materials
Technical Field
The utility model belongs to the technical field of coal chemical production, especially, relate to a device for production of carbonization material.
Background
The activated carbon is a carbon adsorption material, has good chemical stability and thermal stability, can resist acid and alkali corrosion, is insoluble in water and organic solvents, can withstand the action of water immersion, high temperature and high pressure, and can be regenerated after failure; it is widely used for gas adsorption, separation, purification, body purification and the like.
The active carbon is obtained by activating a carbonized material. The carbonized material is a carbonized product obtained by carrying out high-temperature air-isolated dry distillation on a raw material containing carbon. The used carbonized material can be plant carbonized material or coal carbonized material, etc.
CN104449776B discloses a production method of a high-efficiency, energy-saving and environment-friendly molded carbonized material, which comprises the steps of pressing and molding powder and crushing the powder into a molded material; heating the molding material in a carbonization bin of a carbonization converter by controlling the temperature in sections, and slowly heating the molding material from normal temperature to produce a carbonized material; the dry distillation gas enters the high-temperature incinerator for incineration through the special air passage at the furnace end of the carbonization converter, and the high-temperature gas generated after incineration enters the heating chamber of the carbonization converter through the air inlet pipe arranged at the furnace end of the carbonization converter and indirectly heats the molding material in a reverse motion with the molding material, so that the low-temperature dry distillation effect is achieved.
CN103865551B discloses a method for producing a carbonized material by using a carbonization converter, which comprises the steps of feeding raw materials from the feed end of the carbonization converter, heating the raw materials section by section in a product channel of the carbonization converter, and slowly heating the raw materials to 400-600 ℃ from normal temperature to produce the carbonized material; the dry distillation gas enters the combustion device through a pipeline arranged at the discharge end of the carbonization converter, and part of high-temperature gas generated after combustion is introduced into a product pipeline of the carbonization converter through an air inlet pipe arranged at the discharge end of the carbonization converter to heat the raw material.
Therefore, the development of an efficient energy-saving emission-reduction carbonized material production device is a target pursued by researchers.
SUMMERY OF THE UTILITY MODEL
The utility model provides an energy-efficient a device that is used for production of retort material to the heat transfer volume of heat exchanger one is adjusted to the accessible, realizes getting into the thermal regulation and control of outer hot type retort again, thereby realizes the accurate control of production temperature.
The utility model provides a device for production of carbonization material, include:
the external heating type carbonization furnace is used for drying, pyrolyzing and curing the raw materials to produce carbonized materials;
the incinerator is communicated with the external heating type carbonization furnace and is used for incinerating the smoke generated by the external heating type carbonization furnace;
the waste heat boiler is communicated with the incinerator and is used for cooling the high-temperature gas generated by the incinerator;
the first heat exchanger is communicated with the waste heat boiler and is used for feeding the flue gas generated by the waste heat boiler into the external heating type carbonization furnace again;
the steam generated by the waste heat boiler is separated by the steam separating cylinder and the steam-water separating mechanism in sequence, and then enters the external heating type carbonization furnace again.
Further, still include:
and the secondary fan is arranged between the external heating type carbonization furnace and the incinerator and used for sending the smoke generated by the external heating type carbonization furnace into the incinerator for incineration.
Further, still include:
and the pre-oxidation furnace is used for carrying out pre-oxidation treatment on the raw materials.
Further, still include:
and the tail gas treatment unit comprises a second heat exchanger, a bag-type dust remover and a desulfurization mechanism, the tail gas discharged by the external heating type carbonization furnace is subjected to heat exchange through the second heat exchanger, the dust is removed through the bag-type dust remover, and the waste gas after dust removal enters the desulfurization mechanism for treatment.
Further, the tail gas treatment unit further comprises:
and the induced draft fan is arranged between the bag-type dust collector and the desulfurization mechanism.
Further, the tail gas treatment unit further comprises:
and the chimney is communicated with the desulfurization mechanism.
Further, the bag-type dust collector includes:
the dust collecting device comprises a box body and a dust falling hopper, wherein the dust falling hopper is positioned at the bottom end of the box body;
a dust baffle plate, a steel wire ball wall and a first steel wire mesh are respectively arranged in the box body from front to back; the bottom of the box body is provided with a second steel wire mesh;
the front side of box is equipped with the tail gas import, the rear side of box is equipped with the tail gas export.
Furthermore, the dust baffles are arranged in a mutually staggered manner;
the dust baffle is a V-shaped folded plate, wherein the opening of the V-shaped folded plate faces the tail gas outlet.
Further, the steel wire ball wall is composed of steel wire balls; the steel wire ball wall is at least one layer.
Furthermore, a dust outlet is arranged at the bottom end of the dust falling hopper;
and a switch valve is arranged at the dust outlet.
The utility model provides a device for production of carbonization material has following advantage:
the utility model provides a device for producing carbonized material, reasonable in design, energy-concerving and environment-protective can realize recycling of heat and steam. Meanwhile, the regulation and control of heat entering the external heating type carbonization furnace again can be realized by adjusting the heat exchange quantity of the first heat exchanger, so that the accurate control of the production temperature is realized.
The utility model provides a device for producing carbonized material is equipped with tail gas processing unit, can satisfy the environmental protection and discharge the requirement, simultaneously, is equipped with heat exchanger two in the tail gas processing unit, but the heat that the make full use of tail gas carried realizes energy-concerving and environment-protective. Meanwhile, the bag-type dust remover is improved, so that damage to the bag-type dust remover is reduced, and tail gas can be safely discharged to a desulfurization mechanism for treatment and then to the environment after being treated by the bag-type dust remover.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
FIG. 1 is a schematic view of an apparatus for producing carbonized material in an embodiment of the present invention;
FIG. 2 is a front view of the bag-type dust collector in the embodiment of the present invention;
fig. 3 is a top view of the box body in the embodiment of the present invention.
Description of reference numerals:
1-box body, 2-dust falling hopper, 3-dust blocking plate, 4-steel wire ball wall, 5-first steel wire mesh, 6-second steel wire mesh, 7-tail gas inlet, 8-tail gas outlet, 9-dust outlet, 10-switch valve, 11-external heating type carbonization furnace, 12-secondary fan, 13-incinerator, 14-waste heat boiler, 15-steam separating cylinder, 16-steam-water separating mechanism, 17-heat exchanger I, 18-preoxidation furnace, 19-heat exchanger II, 20-bag dust remover, 21-induced draft fan, 22-desulfurization mechanism and 23-chimney.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the embodiments of the present invention and the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. In the case of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.
As shown in fig. 1, an embodiment of the present invention provides an apparatus for producing carbonized material, including:
the external heating type carbonization furnace 11 is used for drying, pyrolyzing and curing the raw materials to produce carbonized materials;
the incinerator 13 is communicated with the external heating type carbonization furnace 11 and is used for incinerating the flue gas generated by the external heating type carbonization furnace 11;
the waste heat boiler 14 is communicated with the incinerator 13 and is used for cooling the high-temperature gas generated by the incinerator 13;
the first heat exchanger 17 is communicated with the waste heat boiler 14 and is used for feeding the flue gas generated by the waste heat boiler 14 into the external heating type carbonization furnace again;
the steam-water separation mechanism 16 is communicated with the waste heat boiler 14, and the steam generated by the waste heat boiler 14 is separated by the steam-water separation mechanism 16 and the steam-water separation cylinder 15 in sequence, and then enters the external heating type carbonization furnace again.
Specifically, the apparatus further includes a pre-oxidation furnace 18 for performing a pre-oxidation treatment on the raw material. More specifically, the pre-oxidation oven 18 may be a dryer. The pre-oxidation is specifically to dry the raw materials formed by compression molding at low temperature by using a dryer. The low-temperature drying temperature is 50-200 ℃. The pre-oxidation treatment removes moisture and tar volatiles from the feedstock. The embodiment of the utility model provides an in, the raw materials not only increased the intensity of shaping strip through the post-oxidation treatment, can directly get into the production line moreover, shorten product production cycle.
The device further comprises: and the secondary fan 12 is arranged between the external heating type carbonization furnace 11 and the incinerator 13 and is used for sending the flue gas generated by the external heating type carbonization furnace into the incinerator 13 for incineration.
The exhaust-heat boiler 14 is mainly used to reduce the temperature of the gas generated in the incinerator 13 and to produce steam required for the carbonization process. Specifically, the exhaust-heat boiler 14 is provided with an inlet, an outlet I and an outlet II, wherein the inlet is communicated with the exhaust-heat boiler 14 through a pipeline, the outlet I is communicated with the heat exchanger I17 through a pipeline, the outlet II is sequentially communicated with the steam-separating cylinder 15 and the steam-water separation mechanism 16 through pipelines, and the steam-water separation mechanism 16 and the heat exchanger I17 are both connected with the external heating type carbonization furnace 11.
As shown in fig. 1, the apparatus further comprises: and the tail gas treatment unit comprises a second heat exchanger 19, a bag-type dust collector 20 and a desulfurization mechanism 22, tail gas discharged by the external heating type carbonization furnace is subjected to heat exchange through the second heat exchanger 19 and then is subjected to dust removal through the bag-type dust collector 20, and the waste gas subjected to dust removal enters the desulfurization mechanism 22 for treatment.
Specifically, an inlet of the second heat exchanger 19 is connected with a discharge end of the external heating type carbonization furnace through a pipeline, an outlet of the second heat exchanger 19 is communicated with a bag-type dust collector 20 through a pipeline, and the bag-type dust collector 20 is communicated with a desulfurization mechanism 22 through a pipeline.
The tail gas treatment unit further comprises: and the induced draft fan 21 is arranged between the bag-type dust collector 20 and the desulfurization mechanism 22. For transferring the flue gas and the like generated by the bag-type dust collector 20 to the desulfurization mechanism 22.
The tail gas treatment unit further comprises: and the chimney 23 is communicated with the desulfurization mechanism 22. The exhaust gas is treated by the desulfurization unit 22 and then discharged from the stack 23.
In the actual production process, often contain in the tail gas of follow retort exhaust and take the spark granule, these take the spark granule to get into sack cleaner 20 and fall on negative pressure dust removal sack, the sack is often burnt out the hole for the negative pressure function of sack is destroyed, and the utility model discloses carry out specific improvement to sack cleaner 20, through reasonable dust board 3, steel wire ball wall 4, first wire net 5 etc. of setting up, solved the problem that the sack is often burnt out the hole.
As shown in fig. 1-2, the bag-type dust collector 20 includes a box 1 and a dust hopper 2, wherein the dust hopper 2 is located at the bottom end of the box 1;
a dust baffle plate 3, a steel wire ball wall 4 and a first steel wire mesh 5 are respectively arranged in the box body 1 from front to back; the bottom of the box body 1 is provided with a second steel wire mesh 6;
the front side of box 1 is equipped with tail gas import 7, the rear side of box 1 is equipped with tail gas export 8.
The dust baffles 3 are arranged in a mutually staggered manner. Particles in the high-temperature flue gas treated by the second heat exchanger 19 often carry sparks. The dust baffles 3 which are arranged in a staggered way can block particles with sparks in high-temperature flue gas.
The dust guard 3 is a V-shaped flap, wherein the opening of the V-shaped flap faces the exhaust gas outlet 8. High temperature flue gas gets into the back from tail gas import 7, through crisscross each other and the opening towards the V type folded plate of tail gas export 8, the setting of this V type folded plate does benefit to the flue gas and flows to tail gas export 8 from tail gas import 7, and can great area and the contact of V type folded plate to realize the high efficiency and block the granule of taking sparks in the high temperature flue gas.
The steel wire ball wall 4 consists of steel wire balls; the steel wire ball wall 4 is at least one layer. The steel wire ball wall 4 has the function of attaching more tiny dust particles and powder particles, and can filter smaller particles with sparks in high-temperature flue gas.
The first steel wire mesh 5 arranged at the bottom of the box body 1 has the function of supporting the steel wire ball wall 4 and the dust blocking plate 3, so that dust falls into the dust falling hopper 2 below and is discharged.
The bottom end of the dust falling hopper 2 is provided with a dust outlet 9. The dust hopper 2 has a function of collecting dust filtered in the case 1. And a switch valve 10 is arranged at the dust outlet 9.
The utility model discloses the concrete implementation process does:
raw materials enter the external heating type carbonization furnace from the feed end of the external heating type carbonization furnace, are heated section by section in the external heating type carbonization furnace, and are dried, pyrolyzed and cured to produce carbonized materials which are discharged from the discharge end of the external heating type carbonization furnace;
flue gas generated by the externally heated carbonization furnace enters the incinerator 13 to be incinerated under the action of the secondary fan 12, and high-temperature gas generated after the incineration of the incinerator 13 passes through the waste heat boiler 14;
the flue gas generated by the waste heat boiler 14 exchanges heat through the first heat exchanger 17 and then enters the external heating type carbonization furnace again, the steam generated by the waste heat boiler 14 is separated through the steam distributing cylinder 15 and the steam-water separation mechanism 16 in sequence, and then the generated steam enters the external heating type carbonization furnace again.
After the tail gas discharged from the external heating type carbonization furnace is subjected to heat exchange by the second heat exchanger 19, tiny particles with sparks in the high-temperature flue gas collide with the dust baffle plate 3 and are knocked down into the dust falling hopper 2 arranged below the bag-type dust remover 20, and then the high-temperature flue gas passes through the steel wire ball walls 4 which are stacked into a plurality of layers, and smaller particles and dust particles with sparks in the high-temperature flue gas are attached to the steel wire balls; the high-temperature flue gas finally enters the next high-temperature flue gas treatment process desulfurization mechanism 22 from the tail gas outlet 8 for desulfurization through the first steel wire mesh 5 of the shaped steel wire balls.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An apparatus for the production of a char material, comprising:
the external heating type carbonization furnace (11) is used for drying, pyrolyzing and curing the raw materials to produce carbonized materials;
the incinerator (13) is communicated with the external heating type carbonization furnace (11) and is used for incinerating the flue gas generated by the external heating type carbonization furnace (11);
the waste heat boiler (14) is communicated with the incinerator (13) and is used for cooling the high-temperature gas generated by the incinerator (13);
the first heat exchanger (17) is communicated with the waste heat boiler (14) and is used for feeding the flue gas generated by the waste heat boiler (14) into the external heating type carbonization furnace (11) again;
the steam-water separation mechanism (16) is communicated with the waste heat boiler (14), and the steam generated by the waste heat boiler (14) is separated by the steam-water separation mechanism (16) and the steam-water separation cylinder (15) in sequence, and then enters the external heating type carbonization furnace (11) again.
2. The apparatus of claim 1, further comprising:
and the secondary fan (12) is arranged between the external heating type carbonization furnace (11) and the incinerator (13) and is used for sending the flue gas generated by the external heating type carbonization furnace (11) into the incinerator (13) for incineration.
3. The apparatus of claim 1, further comprising:
and a pre-oxidation furnace (18) for performing pre-oxidation treatment on the raw material.
4. The apparatus of claim 1, further comprising:
and the tail gas treatment unit comprises a second heat exchanger (19), a bag-type dust remover (20) and a desulfurization mechanism (22), tail gas discharged by the external heating type carbonization furnace (11) is subjected to heat exchange through the second heat exchanger (19) and then is subjected to dust removal through the bag-type dust remover (20), and the waste gas subjected to dust removal enters the desulfurization mechanism (22) for treatment.
5. The apparatus of claim 4, wherein the tail gas treatment unit further comprises:
and the induced draft fan (21) is arranged between the bag-type dust collector (20) and the desulfurization mechanism (22).
6. The apparatus of claim 4, wherein the tail gas treatment unit further comprises:
and the chimney (23) is communicated with the desulfurization mechanism (22).
7. The device according to claim 4, characterized in that said bag-type dust collector (20) comprises:
the dust collecting device comprises a box body (1) and a dust collecting hopper (2), wherein the dust collecting hopper (2) is positioned at the bottom end of the box body (1);
a dust baffle plate (3), a steel wire ball wall (4) and a first steel wire mesh (5) are respectively arranged in the box body (1) from front to back; the bottom of the box body (1) is provided with a second steel wire mesh (6);
the front side of the box body (1) is provided with a tail gas inlet (7), and the rear side of the box body (1) is provided with a tail gas outlet (8).
8. The apparatus of claim 7,
the dust baffles (3) are arranged in a mutually staggered manner;
the dust board (3) is a V-shaped folded plate, wherein the opening of the V-shaped folded plate faces the tail gas outlet (8).
9. The apparatus of claim 7,
the steel wire ball wall (4) consists of steel wire balls; the steel wire ball wall (4) is at least one layer.
10. The apparatus of claim 7,
a dust outlet (9) is arranged at the bottom end of the dust falling hopper (2);
a switch valve (10) is arranged at the dust outlet (9).
CN202021847843.2U 2020-08-28 2020-08-28 Device for producing carbonized materials Active CN213141419U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021847843.2U CN213141419U (en) 2020-08-28 2020-08-28 Device for producing carbonized materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021847843.2U CN213141419U (en) 2020-08-28 2020-08-28 Device for producing carbonized materials

Publications (1)

Publication Number Publication Date
CN213141419U true CN213141419U (en) 2021-05-07

Family

ID=75741912

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021847843.2U Active CN213141419U (en) 2020-08-28 2020-08-28 Device for producing carbonized materials

Country Status (1)

Country Link
CN (1) CN213141419U (en)

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