CN204874382U - Blue charcoal stove of outer hot type - Google Patents
Blue charcoal stove of outer hot type Download PDFInfo
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- CN204874382U CN204874382U CN201520579023.2U CN201520579023U CN204874382U CN 204874382 U CN204874382 U CN 204874382U CN 201520579023 U CN201520579023 U CN 201520579023U CN 204874382 U CN204874382 U CN 204874382U
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- blue charcoal
- furnace body
- dry distillation
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Abstract
The utility model discloses a blue charcoal stove of outer hot type, it includes the retort furnace body, and the retort furnace body comprises carbomorphism room and row jiao kou, and carbomorphism room from the top down is divided into preheating section, dry distillation section, cooling zone, dry distillation section outside sets up the combustion chamber, is equipped with the gas distribution hole in combustion chamber and the intersegmental partition wall of dry distillation, and its characteristics are: there is the hot -blast furnace in the import department of carbomorphism room through the circulating air pipe connection, and the hot -blast furnace passes through the circulating air pipe connection on roots's fan, roots's fan one end is connected with the hot -blast furnace, and the other end passes through circulating air pipe connection in scrubbing tower, the scrubbing tower has the carbonization gas export through the circulating air pipe connection, and the coal gas export of circulating air pipe connection to retort furnace body is passed through to one end. This blue charcoal stove of outer hot type adopts the natural gas or carbonization gas to carry out the dry distillation for the heat carrier to coal, can improve the quality of blue charcoal, can not cause the waste of coal gas, and no environmental pollution is carried out to whole retort process in airtight space.
Description
Technical field:
The utility model belongs to chemical industry, metallurgical material production unit technical field, particularly the blue charcoal stove of a kind of external-heat.
Background technology:
At present, the blue charcoal stove of prior art is mostly the blue charcoal stove of internal heat type, and this stove is made up of coking chamber, coke discharging mouth, and inside is provided with laying fireproof bricks, and coking chamber is divided into preheating section, retort section, cooling section from top to bottom; Retort section adopts high alumina brick to build by laying bricks or stones, and the refractory brick fissure of displacement is arranged; In retort section outer setting combustion chamber, coal gas and air generate high-temp waste gas in combustion chamber combustion, and high-temp waste gas enters coking chamber through the qi-emitting hole of combustion chamber and coking chamber retort section division wall.This process characteristic be by purification after coal gas extract a part, in combustion chamber and the new air combustion introduced, the high-temperature flue gas produced enters coking chamber for the dry distillation of coal provides heat, not only cause the loss of coal gas, simultaneously in coal gas, a nitrogen content is high, hydrogen and methane content is low, calorific value is low, recycle and be worth low, how to use as industrial combustion gas, be unfavorable for deep processing, economic benefit is low.For this reason, for improving the quality of blue charcoal, avoiding environmental pollution, adopting Sweet natural gas or dry distillation gas to be that thermal barrier carries out destructive distillation to coal, design the blue charcoal stove of a kind of external-heat.
Summary of the invention:
In order to overcome prior art Problems existing, the utility model provides a kind of external-heat blue charcoal stove, adopts Sweet natural gas or dry distillation gas to be that thermal barrier carries out destructive distillation to coal, can improve the quality of blue charcoal, non-environmental-pollution.
For solving the problems of the technologies described above, the utility model takes following technical scheme:
The blue charcoal stove of a kind of external-heat, comprise carbonization furnace body, carbonization furnace body is made up of coking chamber and coke discharging mouth, and coking chamber is divided into preheating section, retort section, cooling section from top to bottom; Retort section outer setting combustion chamber, be provided with qi-emitting hole in combustion chamber and retort section division wall, its feature is: the ingress of described coking chamber is connected with hotblast stove by circulation gas pipeline, and hotblast stove is connected on roots blower by circulation gas pipeline; Described roots blower one end is connected with hotblast stove, and the other end is connected to washing tower by circulation gas pipeline; Described washing tower is connected with dry distillation gas outlet by circulation gas pipeline, and one end is connected to the gas exit of carbonization furnace body by circulation gas pipeline.
Described circulation gas pipeline adopts high temperature resistant stainless steel pipe.
Above-mentioned dry distillation gas is first directly delivered to gas holder by gas fan, and after gas holder buffering, Cemented filling is to roots blower, and after roots blower pressurization, enter hotblast stove heating, the dry distillation gas after heating enters charring furnace through circulation gas pipeline.
The blue charcoal stove of external-heat of the present utility model adopts Sweet natural gas or dry distillation gas to be that thermal barrier carries out destructive distillation to coal, the waste of coal gas can not be caused, do not have air to enter in retort process, in the coal gas therefore produced, a nitrogen content is low, coal gas is pure, calorific value is high, CH in institute's producing coal gas simultaneously
4, H
2, CO effective constituent can reach more than 80%, calorific value is up to 4300kcal/Nm
3, be desirable industrial chemicals, can be used for methanation and produce Sweet natural gas, synthesizing methanol, synthetic ammonia, extraction hydrogen etc. are also the industrial and domestic gases fuel of high-quality.Meanwhile, the whole retort process of the blue charcoal stove of this external-heat is carried out at enclosed space, can not cause environmental pollution.
Accompanying drawing illustrates:
Fig. 1 is the structure flow chart of the blue charcoal stove of the utility model external-heat;
Fig. 2 is the structural representation of the utility model external-heat blue charcoal stove carbonization furnace body;
In figure: 1-carbonization furnace body, 2-coking chamber, 3-coke discharging mouth, 4-preheating section, 5-retort section, 6-cooling section, 7-circulation gas pipeline, 8-hotblast stove, 9-roots blower, 10-washing tower, 11-dry distillation gas exports.
Embodiment:
Below in conjunction with the drawings and the specific embodiments, the technical solution of the utility model is described in detail.
As shown in Figure 1 and Figure 2, the blue charcoal stove of a kind of external-heat, comprise carbonization furnace body 1, carbonization furnace body 1 is made up of coking chamber 2 and coke discharging mouth 3, and coking chamber 2 is divided into preheating section 4, retort section 5, cooling section 6 from top to bottom; Retort section 5 outer setting combustion chamber, is provided with qi-emitting hole in combustion chamber and retort section 5 division wall; The ingress of described coking chamber 2 is connected with hotblast stove 8 by circulation gas pipeline 7, and hotblast stove 8 is connected on roots blower 9 by circulation gas pipeline 7; Described roots blower 9 one end is connected with hotblast stove 8, and the other end is connected to washing tower 10 by circulation gas pipeline 7; Described washing tower 10 is connected with dry distillation gas outlet 11 by circulation gas pipeline 7, and the other end is connected to the gas exit of carbonization furnace body 1 by circulation gas pipeline 7; Described circulation gas pipeline 7 adopts high temperature resistant stainless steel pipe.
Dry distillation gas is first directly delivered to gas holder by gas fan, and after gas holder buffering, Cemented filling is to roots blower 9, and after roots blower 9 pressurizes, enter hotblast stove 8 heat, the dry distillation gas after heating enters carbonization furnace body 1 through circulation gas pipeline 7.
Actual mechanical process: first the coal gas that the blue charcoal stove of this external-heat produces carry out lowering the temperature through equipment such as Wen's tower, washing towers, cool, remove most of tar; Coal gas after rough purification is sent into gas holder and is carried out voltage stabilizing and buffering; Coal gas enters electrical tar precipitator through gas holder, further removes the tar in coal gas; The coal gas part now going out electrical tar precipitator is sent to the workshop sections such as desulfurization, decarburization, methanation, liquefaction and is carried out further deep processing, a part is sent to after roots blower carries out being pressurized to 30Kpa as circulation gas, then enter hotblast stove heating carry out heat exchange after gas temperature reach 650 DEG C, coal gas of high temperature enters the blue charcoal stove of this external-heat, heat exchange is carried out through coal seam and coal, reach destructive distillation object, produce blue charcoal, tar, coal gas.
In this external-heat blue charcoal stove institute producing coal gas each component content and transformation before the blue charcoal stove of internal heat type carry out contrast and draw: CH in this external-heat blue charcoal stove institute producing coal gas
4, H
2, CO effective constituent can reach more than 80%, calorific value is up to 4300kcal/Nm
3can be used for methanation and produce Sweet natural gas, synthesizing methanol, synthetic ammonia, extraction hydrogen etc., and produce in Sweet natural gas process in methanation, the toxic and harmfuls such as the hydrogen sulfide in coal gas, sulfurous gas are removed and are processed to form sulphur further, not only solve toxic and harmful to the pollution of air but also turn waste into wealth, increase economic benefit.
Claims (2)
1. the blue charcoal stove of external-heat, comprise carbonization furnace body (1), carbonization furnace body (1) is made up of coking chamber (2) and coke discharging mouth (3), and coking chamber (2) is divided into preheating section (4), retort section (5), cooling section (6) from top to bottom; Retort section (5) outer setting combustion chamber, qi-emitting hole is provided with in combustion chamber and retort section (5) division wall, it is characterized in that: the ingress of described coking chamber (2) is connected with hotblast stove (8) by circulation gas pipeline (7), and hotblast stove (8) is connected on roots blower (9) by circulation gas pipeline (7); Described roots blower (9) one end is connected with hotblast stove (8), and the other end is connected to washing tower (10) by circulation gas pipeline (7); Described washing tower (10) is connected with dry distillation gas outlet (11) by circulation gas pipeline (7), and the other end is connected to the gas exit of carbonization furnace body (1) by circulation gas pipeline (7).
2. the blue charcoal stove of a kind of external-heat according to claim 1, is characterized in that: described circulation gas pipeline (7) adopts high temperature resistant stainless steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520579023.2U CN204874382U (en) | 2015-08-05 | 2015-08-05 | Blue charcoal stove of outer hot type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520579023.2U CN204874382U (en) | 2015-08-05 | 2015-08-05 | Blue charcoal stove of outer hot type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204874382U true CN204874382U (en) | 2015-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520579023.2U Active CN204874382U (en) | 2015-08-05 | 2015-08-05 | Blue charcoal stove of outer hot type |
Country Status (1)
| Country | Link |
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| CN (1) | CN204874382U (en) |
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2015
- 2015-08-05 CN CN201520579023.2U patent/CN204874382U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 750001 16 Fengqing West Road, Desheng Industrial Park, Yinchuan, the Ningxia Hui Autonomous Region. Patentee after: Ningxia kaytian gas development Limited by Share Ltd Address before: 750001 16 Fengqing West Road, Desheng Industrial Park, Yinchuan, the Ningxia Hui Autonomous Region. Patentee before: Yinchuan Tianjia Energy Technology Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |