CN108917385B - Duplex carbon calciner - Google Patents
Duplex carbon calciner Download PDFInfo
- Publication number
- CN108917385B CN108917385B CN201810817790.0A CN201810817790A CN108917385B CN 108917385 B CN108917385 B CN 108917385B CN 201810817790 A CN201810817790 A CN 201810817790A CN 108917385 B CN108917385 B CN 108917385B
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- CN
- China
- Prior art keywords
- furnace body
- furnace
- cylindrical
- barrel
- tail gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 26
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000003546 flue gas Substances 0.000 claims abstract description 23
- 238000007599 discharging Methods 0.000 claims abstract description 21
- 239000000428 dust Substances 0.000 claims abstract description 20
- 150000001875 compounds Chemical class 0.000 claims abstract description 11
- 238000001354 calcination Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000007790 scraping Methods 0.000 claims description 9
- 239000011449 brick Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 2
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003830 anthracite Substances 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000003245 coal Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000000779 smoke Substances 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 4
- 239000002918 waste heat Substances 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces heated electrically, with or without any other source of heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2001/00—Composition, conformation or state of the charge
- F27M2001/04—Carbon-containing material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/03—Calcining
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention belongs to the field of anthracite processing, and particularly relates to a compound carbon calciner; the compound carbon calciner comprises a furnace body B, a blanking pipe, a furnace body A, a hot flue gas conveying pipeline, a tail gas discharging pipeline and a dust filter screen, wherein the compound carbon calciner is vertically arranged, and the furnace body A and the furnace body B are connected in series; the method comprises the steps of (1) introducing a high Wen Yuyan discharged by a furnace body A into a flame path of a furnace body B to calcine anthracite, recycling residual smoke after the calcination of the furnace body A to calcine raw material coal, reducing energy consumption and production cost, wherein the temperature of a furnace chamber A is 1800-2200 ℃, and the temperature of the flame path of the furnace body B is 900-1100 ℃; the dust collecting barrel and the dust filter screen are additionally arranged on the tail gas exhaust pipeline, so that the pollution of the flue gas to the environment is reduced, and the whole compound carbon calciner is environment-friendly and energy-saving.
Description
Technical Field
The invention belongs to the field of anthracite processing, and particularly relates to a compound carbon calciner.
Background
At present, the self-use of the main body of the waste heat recovery furnace for treating the open flame atmosphere emission of the electric calcining furnace point "ceiling lamp" is a difficult problem. The invention solves the problems of self-use of the electric calcining furnace hot flue gas waste heat recovery furnace body and no pollution to the environment due to tail gas emission, and discloses a duplex carbon calcining furnace which achieves the purposes of environmental protection and energy conservation. Meanwhile, the method is very necessary for bringing benefit to enterprises and society.
Disclosure of Invention
Based on the characteristics, the invention provides the compound carbon calciner which has the advantages of simple structure, energy consumption reduction, energy conservation and environmental protection.
The compound carbon calciner comprises a furnace body B, a blanking pipe, a furnace body A, a hot flue gas conveying pipeline, a tail gas discharging pipeline and a dust filter screen; the composite carbon calciner is vertically arranged, the B furnace body comprises a buffer bin and a B furnace body material channel, two buffer bins are arranged in parallel, two discharging openings are arranged at the lower end of each buffer bin in parallel, each discharging opening is respectively connected with the upper end of the B furnace body material channel, the lower end of each B furnace body material channel is respectively connected with the upper end of one discharging pipe, and the lower end of each discharging pipe is connected with each charging opening arranged on the furnace cover of the A furnace body; the furnace body A comprises a furnace body furnace cover A, a feeding port, a hot flue gas outlet, an upper electrode, a cylindrical furnace barrel, a bottom electrode, a water cooler, a furnace bottom disc and a discharging device, wherein the furnace body A is arranged below the furnace body B, the furnace body A is arranged at the upper end of the furnace body A, 4 feeding ports are arranged on the furnace body cover A, the 4 feeding ports are respectively connected with the lower end of each blanking pipe of the furnace body B, the furnace body A is also provided with the hot flue gas outlet, the upper end of the cylindrical furnace barrel is fixedly arranged on the factory building foundation at the lower end of the furnace body B, the lower end of the cylindrical furnace barrel is communicated with the furnace body A, the inner cavity of the cylindrical furnace barrel is of unequal diameter, the upper electrode is fixedly arranged at the upper end of the cylindrical furnace barrel, the upper end of the upper electrode is connected with an anode of an external power supply, and the lower end of the upper electrode is communicated with the inner cavity of the cylindrical furnace barrel; the lower end of the bottom electrode is fixedly arranged on the furnace bottom disc in an insulating way, the lower end of the bottom electrode is connected with the negative electrode of an external power supply, the upper end of the bottom electrode stretches into the cylindrical furnace barrel, and an electric calcination working condition is formed between the bottom electrode and the upper electrode; the furnace bottom disc is fixedly arranged on the factory building foundation at the lower end of the furnace body A, the water cooler is hung on the outer circumference of the cylindrical furnace barrel, the inner cavity of the water cooler is filled with water for circular cooling, the discharging device comprises a scraping plate and a transmission part, the transmission part is arranged at the bottom of the furnace bottom disc, the scraping plate is arranged at the upper end of the furnace bottom disc, and the scraping plate is driven by the transmission part; one end of the hot flue gas conveying pipeline is connected with a hot flue gas outlet on the furnace cover of the furnace body A, the other end of the hot flue gas conveying pipeline is connected with a flame path inlet of the furnace body B, the flame path of the furnace body B is folded back and penetrates through the flame path of the furnace body B, and the flame path of the furnace body B is provided with 4-9 layers from top to bottom; one end of the tail gas exhaust pipeline is connected with a flame path outlet of the furnace body B, a dust filter screen is arranged in the middle of the tail gas exhaust pipeline, and the other end of the tail gas exhaust pipeline discharges the filtered tail gas to the atmosphere.
Preferably, the furnace body B is a two-chamber pot calciner, and the two-chamber pot calciners are arranged in parallel and are shared.
Preferably, the inner cavity of the cylindrical furnace is of unequal diameter, wherein the diameter of the upper end of the inner cavity of the cylindrical furnace and the diameter of the lower end of the inner cavity of the cylindrical furnace are 1900mm-2500mm, and the diameter of the middle of the inner cavity of the cylindrical furnace is 1600mm-1900mm.
Preferably, the tail gas exhaust pipeline is further provided with a dust collecting barrel, and the dust collecting barrel is fixedly arranged on the tail gas exhaust pipeline at the lower end of the dust filter screen.
Preferably, the cylindrical furnace is built by carbon bricks.
The invention has simple structure, adopts the serial connection of the furnace body B and the furnace body A, introduces the high-temperature waste heat discharged by the furnace body A into the flame path of the furnace body B to calcine anthracite, and recycles the waste smoke after the calcination of the furnace body A for the calcination of raw material coal, thereby reducing the energy consumption and the production cost, wherein the temperature of the furnace body A is 1800-2200 ℃, and the temperature of the flame path of the furnace body B is 900-1100 ℃; the dust collecting barrel and the dust filter screen are additionally arranged on the tail gas exhaust pipeline, so that the pollution of hot flue gas to the environment is reduced, the whole compound carbon calciner is environment-friendly and energy-saving, and the economic benefit and the social benefit are increased.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a multiple carbon calciner.
In the figure, a buffer bin 1, a B furnace body material channel 2, a flame path 3, a furnace body material channel 4, a blanking pipe 5, a flame path inlet 6, a tail gas discharge pipeline 7, a dust filter screen 8, a flame path outlet 9, a dust collecting barrel 10, a hot flue gas conveying pipeline 11, an A furnace body furnace cover 12, an upper electrode 13, a cylindrical furnace barrel 14, a bottom electrode 15, a furnace bottom disc 16, a water cooler 17, a discharge device 18, a B furnace body 20, an A furnace body 21 and a factory building foundation 22.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled 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, the compound carbon calciner comprises a furnace body B20, a blanking pipe 5, a furnace body A21, a hot flue gas conveying pipeline 11, a tail gas discharging pipeline 7 and a dust filter screen 8.
The double carbon calciner is vertically arranged, the B furnace body 20 is a two-chamber tank calciner, the two-chamber tank calciners are arranged in parallel and are shared, the B furnace body 20 comprises a buffer bin 1 and a B furnace body material channel 2, the buffer bin 1 is provided with two parallel seats, the lower end of each buffer bin 1 is provided with two material discharging openings in parallel, each material discharging opening is respectively connected with the upper end of the B furnace body material channel 2, the lower end of each B furnace body material channel 2 is respectively connected with the upper end of one material discharging pipe 5, and the lower end of each material discharging pipe 5 is connected with each material inlet arranged on the A furnace body 12.
The furnace body 21 comprises a furnace body 12, a feeding port, a hot flue gas discharge port, an upper electrode 13, a cylindrical furnace barrel 14, a bottom electrode 15, a water cooler 17, a furnace bottom disc 16 and a discharge device 18, wherein the furnace body 21 is arranged below the furnace body 20, the furnace body 12 is arranged at the upper end of the furnace body 21, 4 feeding ports are formed in the furnace body 12, the 4 feeding ports are respectively connected with the lower end of each blanking pipe 5 of the furnace body 20, the furnace body 12 is also provided with the hot flue gas discharge port, the upper end of the cylindrical furnace barrel 14 is fixedly arranged on a factory building foundation 22 at the lower end of the furnace body 20, the lower end of the cylindrical furnace barrel 14 penetrates through the furnace body 21, the inner cavity of the cylindrical furnace barrel 14 is of unequal diameters, the diameter of the upper end of the inner cavity of the cylindrical furnace barrel 14 and the lower end of the inner cavity of the cylindrical furnace barrel 14 are 1900mm-2500mm, and the middle diameter of the inner cavity of the cylindrical furnace barrel 14 is 1600 mm-mm. The cylindrical furnace 14 is built of carbon bricks.
An upper electrode 13 is fixedly arranged at the upper end of the cylindrical furnace 14, the upper end of the upper electrode 13 is connected with the anode of an external power supply, and the lower end of the upper electrode 13 is communicated with the inner cavity of the cylindrical furnace 14; the lower end of the bottom electrode 15 is fixedly arranged on the bottom disc 16 in an insulating way, the lower end of the bottom electrode 15 is connected with the negative electrode of an external power supply, the upper end of the bottom electrode 15 stretches into the cylindrical furnace 14, and an electric calcination working condition is formed between the bottom electrode 15 and the upper electrode 13; the furnace bottom disc 16 is fixedly arranged on a factory building foundation 22 at the lower end of the furnace body A20.
The water cooler 17 is hung on the outer circumference of the cylindrical furnace 14, the inner cavity of the water cooler 17 is filled with water for circular cooling, the discharging device 18 comprises a scraping plate and a transmission part, the transmission part is arranged at the bottom of the furnace bottom disc 16, the scraping plate is arranged at the upper end of the furnace bottom disc 16, and the scraping plate is driven by the transmission part; one end of the hot flue gas conveying pipeline 11 is connected with a hot flue gas outlet on the furnace cover 12 of the furnace body A, the other end of the hot flue gas conveying pipeline 11 is connected with the flame path inlet 6 of the furnace body B, the flame path 3 of the furnace body B20 is folded back and penetrates through the flame path 2 of the furnace body B, and the flame path 3 of the furnace body B20 is provided with an upper layer and a lower layer 6; one end of the tail gas exhaust pipeline 7 is connected with a flame path outlet 9 of the B furnace body 20, a dust filter screen 8 is arranged in the middle of the tail gas exhaust pipeline 7, and the other end of the tail gas exhaust pipeline 7 exhausts filtered tail gas to be amplified. The tail gas exhaust pipeline 7 is also provided with a dust collecting barrel 10, and the dust collecting barrel 10 is fixedly arranged on the tail gas exhaust pipeline 7 at the lower end of the dust filter screen 8.
Claims (1)
1. The compound carbon calciner is characterized in that: the compound carbon calciner comprises a furnace body B, a blanking pipe, a furnace body A, a hot flue gas conveying pipeline, a tail gas discharging pipeline and a dust filter screen; the composite carbon calciner is vertically arranged, the B furnace body comprises a buffer bin and a B furnace body material channel, two buffer bins are arranged in parallel, two discharging openings are arranged at the lower end of each buffer bin in parallel, each discharging opening is respectively connected with the upper end of the B furnace body material channel, the lower end of each B furnace body material channel is respectively connected with the upper end of one discharging pipe, and the lower end of each discharging pipe is connected with each charging opening arranged on the furnace cover of the A furnace body; the furnace body A comprises a furnace body furnace cover A, a feeding port, a hot flue gas outlet, an upper electrode, a cylindrical furnace barrel, a bottom electrode, a water cooler, a furnace bottom disc and a discharging device, wherein the furnace body A is arranged below the furnace body B, the furnace body A is arranged at the upper end of the furnace body A, 4 feeding ports are arranged on the furnace body cover A, the 4 feeding ports are respectively connected with the lower end of each blanking pipeline of the furnace body B, the furnace body A is also provided with the hot flue gas outlet, the upper end of the cylindrical furnace barrel is fixedly arranged on the basis of a factory building at the lower end of the furnace body B, the lower end of the cylindrical furnace barrel is communicated with the furnace body A, the inner cavity of the cylindrical furnace barrel is of unequal diameter, the upper electrode is fixedly arranged at the upper end of the cylindrical furnace barrel, the upper end of the upper electrode is connected with an anode of an external power supply, and the lower end of the upper electrode is communicated with the inner cavity of the cylindrical furnace barrel; the lower end of the bottom electrode is fixedly arranged on the furnace bottom disc in an insulating way, the lower end of the bottom electrode is connected with the negative electrode of an external power supply, the upper end of the bottom electrode stretches into the cylindrical furnace barrel, and an electric calcination working condition is formed between the bottom electrode and the upper electrode; the furnace bottom disc is fixedly arranged on the factory building foundation at the lower end of the furnace body A, the water cooler is hung on the outer circumference of the cylindrical furnace barrel, the inner cavity of the water cooler is filled with water for circular cooling, the discharging device comprises a scraping plate and a transmission part, the transmission part is arranged at the bottom of the furnace bottom disc, the scraping plate is arranged at the upper end of the furnace bottom disc, and the scraping plate is driven by the transmission part; one end of the hot flue gas conveying pipeline is connected with a hot flue gas outlet on the furnace cover of the furnace body A, the other end of the hot flue gas conveying pipeline is connected with a flame path inlet of the furnace body B, the flame path of the furnace body B is folded back and penetrates through the flame path of the furnace body B, and the flame path of the furnace body B is provided with 4-9 layers from top to bottom; one end of the tail gas exhaust pipeline is connected with a flame path outlet of the furnace body B, a dust filter screen is arranged in the middle of the tail gas exhaust pipeline, and the other end of the tail gas exhaust pipeline discharges the filtered tail gas to the atmosphere; the furnace body B is a two-chamber pot-type calciner, and is shared by two-chamber pot-type calciners in parallel; the inner cavity of the cylindrical furnace is of unequal diameter, wherein the diameter of the upper end of the inner cavity of the cylindrical furnace and the diameter of the lower end of the inner cavity of the cylindrical furnace are 1900-2500 mm, and the diameter of the middle of the inner cavity of the cylindrical furnace is 1600-1900 mm; the tail gas exhaust pipeline is also provided with a dust collecting barrel which is fixedly arranged on the tail gas exhaust pipeline at the lower end of the filter screen; the cylindrical furnace is built by carbon bricks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810817790.0A CN108917385B (en) | 2018-07-24 | 2018-07-24 | Duplex carbon calciner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810817790.0A CN108917385B (en) | 2018-07-24 | 2018-07-24 | Duplex carbon calciner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108917385A CN108917385A (en) | 2018-11-30 |
| CN108917385B true CN108917385B (en) | 2023-11-10 |
Family
ID=64416034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810817790.0A Active CN108917385B (en) | 2018-07-24 | 2018-07-24 | Duplex carbon calciner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108917385B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2285961A1 (en) * | 1997-04-14 | 1998-10-22 | Elkem Asa | Method and calcining furnace for electric calcining of carbonaceous material |
| CN102745671A (en) * | 2012-08-02 | 2012-10-24 | 济南澳海炭素有限公司 | Pot-type carbon calciner |
| CN209214315U (en) * | 2018-07-24 | 2019-08-06 | 宁夏中炭冶金有限公司 | Compound carbon calciner |
-
2018
- 2018-07-24 CN CN201810817790.0A patent/CN108917385B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2285961A1 (en) * | 1997-04-14 | 1998-10-22 | Elkem Asa | Method and calcining furnace for electric calcining of carbonaceous material |
| CN102745671A (en) * | 2012-08-02 | 2012-10-24 | 济南澳海炭素有限公司 | Pot-type carbon calciner |
| CN209214315U (en) * | 2018-07-24 | 2019-08-06 | 宁夏中炭冶金有限公司 | Compound carbon calciner |
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| Publication number | Publication date |
|---|---|
| CN108917385A (en) | 2018-11-30 |
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