CN212425956U - Internal heating type medium-low temperature dry distillation furnace - Google Patents
Internal heating type medium-low temperature dry distillation furnace Download PDFInfo
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- CN212425956U CN212425956U CN201721843891.2U CN201721843891U CN212425956U CN 212425956 U CN212425956 U CN 212425956U CN 201721843891 U CN201721843891 U CN 201721843891U CN 212425956 U CN212425956 U CN 212425956U
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Abstract
The utility model belongs to the technical field of the coal dry distillation, concretely relates to interior hot type medium and low temperature dry distillation furnace, including protecting stove ironware, furnace body, gas collection distributing device and coke discharging box, be equipped with the carbomorphism room in the furnace body, the gas collection distributing device is connected at carbomorphism roof portion, and the carbomorphism room lower part sets up multirow branch material wall, and a plurality of coke discharging doors are seted up to the furnace body bottom, connects coke discharging box under the coke discharging door, and the furnace body is the rectangle structure, protects stove ironware parcel furnace body, the furnace body includes red brick outer wall, expansion joint, resistant firebrick inner wall, divides material wall and well partition wall, protects stove ironware, red brick outer wall, expansion joint and resistant firebrick inner wall outside-in and connects gradually, the vertical mid-partition wall that sets up in the furnace body, mid-partition wall separates into a plurality of carbomorphism rooms with. Solves the problems of poor sealing of the retort furnace, smoke leakage, air leakage and environmental pollution in the prior art; the furnace body has simple structure and short service life; the coke discharging box adopts a water jacket, needs to be equipped with a water pump and a circulating water pool, and has the problems of high investment and operating cost in earlier period, and the like, and the utility model has the advantages of large production capacity, long service life, energy conservation and environmental protection.
Description
Technical Field
The utility model belongs to the technical field of the coal dry distillation, concretely relates to interior hot type well low temperature retort.
Background
According to the admission conditions of the coking industry (revised 2014) of the department of industry and informatization of China, the production capacity of a single furnace of a semicoke (semi-coke) carbonization furnace is more than or equal to 10 ten thousand tons per year, the single furnace capacity of many semicoke enterprises at present can not meet the requirements of the admission conditions, and the method also has a plurality of defects: the retort furnace is not tightly sealed, smoke leakage and air leakage occur, and the environment is polluted; the furnace body has simple structure and short service life; the coke discharging box adopts a water jacket, a water pump and a circulating water pool are required to be arranged, and the early investment and the operating cost are high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art that the retort furnace is not sealed tightly, smoke leakage and air leakage occur, and the environment is polluted; the furnace body has simple structure and short service life; the coke discharging box adopts a water jacket, a water pump and a circulating water pool are required to be arranged, and the problems of high early-stage investment and operation cost and the like are solved.
Therefore, the utility model provides an interior hot type medium and low temperature retort, including protecting stove ironware, furnace body, gas collection distributing device and coke discharging box, be equipped with the carbomorphism room in the furnace body, the gas collection distributing device is connected at carbomorphism room top, and the carbomorphism room lower part sets up multirow branch material wall, and a plurality of row burnt doors are seted up to the furnace body bottom, connects coke discharging box under the row burnt door, and the furnace body is the rectangle structure, protects stove ironware parcel furnace body, the furnace body includes red brick outer wall, expansion joint, resistant firebrick inner wall, divides material wall and well partition wall, protects stove ironware, red brick outer wall, expansion joint and resistant firebrick inner wall outside-in and connects gradually, the vertical intermediate wall that sets up in the furnace body, intermediate wall separates into a plurality of carbomorphism rooms with the furnace body, divides the material wall to separate into a plurality.
The coke discharging box adopts refractory castable or a tubular heat exchange mode.
Temperature measuring holes are formed in the upper portion, the middle portion and the lower portion of the furnace body, and thermocouples are inserted into the temperature measuring holes.
And the expansion joint plug is filled with a heat insulation material.
The material distributing wall is a refractory brick material distributing wall, and a triangular structure is adopted above the refractory brick material distributing wall.
And a mixing chamber is arranged below the material distributing wall, and an air inlet is formed in the mixing chamber.
The number of the intermediate partition walls is multiple, and the intermediate partition walls are made of refractory bricks.
The gas collection and distribution device is formed by welding herringbone steel members in a mutually vertical direction in a combined manner, and the gas collection and distribution device is connected with a gas guide pipe.
The utility model has the advantages that: the internally heated medium-low temperature gas retort provided by the utility model has the advantages of increased capacity and obvious scale benefit; a plurality of sealing heat preservation measures are adopted, so that the environment is protected and the energy is saved; a thermocouple is inserted in the temperature measuring hole, so that the temperature in the furnace can be effectively observed and adjusted; the coke discharging box adopts a refractory castable or a tubular heat exchange mode, so that the investment is low, the operating cost is low, and the heat energy is recycled; the furnace body has reasonable structure, high-efficiency internal combustion and medium and low temperature dry distillation, and the quality of semicoke, medium and low temperature coal tar and coal gas is guaranteed.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic view of an internally heated medium-low temperature dry distillation furnace.
Description of reference numerals: 1. A gas-collecting and distributing device; 2. a middle partition wall; 3. a carbonization chamber; 4. a material distributing wall; 5. a refractory brick inner wall; 6. expanding the seam; 7. red brick outer wall; 8. protecting the furnace iron piece; 9. a temperature measuring hole; 10. a mixing chamber; 11. an air inlet; 12. a coke discharging box; 13. a furnace body; 14. a coke discharging door.
Detailed Description
Example 1:
as shown in fig. 1, an internal heating type medium-low temperature gas retort comprises a furnace protection iron piece 8, a furnace body 13, a gas collection distributing device 1 and a coke discharge box 12, wherein a carbonization chamber 3 is arranged in the furnace body 13, the gas collection distributing device 1 is connected to the top of the carbonization chamber 3, a multi-row distribution wall 4 is arranged at the lower part of the carbonization chamber 3, a plurality of coke discharge doors 14 are arranged at the bottom of the furnace body 13, the coke discharge box 12 is connected below the coke discharge doors 14, the furnace body 13 is of a rectangular structure, and the furnace protection iron piece 8 wraps the furnace body 13, and is characterized in that: the furnace body 13 comprises a red brick outer wall 7, an expansion joint 6, a refractory brick inner wall 5, a material distribution wall 4 and a middle partition wall 2, wherein a furnace protecting iron piece 8, the red brick outer wall 7, the expansion joint 6 and the refractory brick inner wall 5 are sequentially connected from outside to inside, a middle partition wall 2 is vertically arranged in the furnace body 13, the furnace body 13 is divided into a plurality of carbonization chambers 3 by the middle partition wall 2, and the carbonization chambers 3 are divided into a plurality of coke discharge doors 14 by the material distribution wall 4; the gas collection and distribution device 1 is used for feeding coal into the preheating section to be heated and dried, then feeding the coal into the middle dry distillation section to be carbonized into semicoke, and discharging the semicoke after the temperature of the semicoke is reduced by the cooling section at the lower part; the retort furnace is divided into a plurality of porous carbonization chambers 3 by an intermediate partition wall 2 at the upper part of the device, the lower part of each carbonization chamber 3 consists of a plurality of coke discharge doors 14, and the coke discharge doors 14 are connected with a coke discharge box 12; in the upsizing of the device, the central partition wall 2 not only plays a role in connection and separation, but also can strengthen the structure of the gas retort and prolong the service life of the gas retort.
Example 2:
as shown in FIG. 1, on the basis of the embodiment 1, the coke discharging box 12 adopts refractory castable or a tubular heat exchange mode. The coke discharging box 12 adopts refractory castable, thus overcoming the defects that the prior coke discharging box using a water jacket needs to be provided with a water pump and a circulating water pool, the early investment and the operating cost are high, and the like; the coke discharging box 12 can also adopt a tubular heat exchange mode to produce hot water or steam as a byproduct, so that the heat energy is recycled.
Furthermore, temperature measuring holes 9 are formed in the upper part, the middle part and the lower part of the furnace body 13, and thermocouples are inserted into the temperature measuring holes 9. The temperature in the furnace can be effectively observed and adjusted.
Furthermore, the expansion joint 6 is filled with a sealing heat insulation material. The red brick outer wall 7 is tightly wrapped and enclosed by a furnace protecting iron piece 8 made of steel plates and section steel, and an expansion joint 6 between the red brick outer wall and the refractory brick inner wall 5 is filled with a sealing heat insulation material, so that the tightness of a furnace body is ensured, high-temperature smoke can be prevented from escaping outwards, the thermal efficiency of the retort furnace is improved, and the operating environment is improved.
Furthermore, the material distributing wall 4 is a refractory brick material distributing wall, and a triangular structure is adopted above the refractory brick material distributing wall. And a triangular structure is adopted, so that the material is favorably descended.
Furthermore, a mixing chamber 10 is arranged below the material distributing wall 4, and an air inlet 11 is arranged in the mixing chamber 10. A mixing chamber 10 is arranged below, coal gas and air are mixed in the mixing chamber 10 and then enter the lower part of the dry distillation section through an air inlet 11 for combustion, the generated heat enables coal to be converted into semicoke, the coal gas and tar are volatilized, and the gas and tar are collected and led out through a gas collection and distribution device 1.
Furthermore, the number of the intermediate walls 2 is multiple, and the intermediate walls 2 are made of refractory bricks. The quantity can be adjusted and arranged according to actual conditions, and meanwhile, the refractory bricks can improve the fire resistance of the intermediate partition wall, enhance the structural stability of the carbonization furnace and prolong the service life.
Furthermore, the gas collection and distribution device 1 is formed by welding herringbone steel members in a mutually vertical direction in a combined manner, and the gas collection and distribution device 1 is connected with a gas guide pipe. The gas collection and distribution device 1 is positioned at the upper part of the preheating section, is formed by combining and welding herringbone steel members in the mutually vertical direction, is connected with a gas guide pipe, can collect coal gas generated by dry distillation, and can also uniformly distribute materials.
The utility model has the advantages that:
the dry distillation furnace has the advantages of increased capacity and obvious scale benefit; a plurality of sealing heat preservation measures are adopted, so that the environment is protected and the energy is saved; a thermocouple is inserted into the temperature measuring hole 9, so that the temperature in the furnace can be effectively observed and adjusted; the coke discharging box 12 adopts refractory castable or a tubular heat exchange mode, so that the investment is low, the operating cost is low, and the heat energy is recycled; the furnace body has reasonable structure, high-efficiency internal combustion and low-temperature dry distillation, and the quality of semicoke, medium and low temperature coal tar and coal gas is guaranteed.
The above illustration is merely an illustration of the present invention, and does not limit the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.
Claims (4)
1. The utility model provides an interior hot type medium and low temperature retort, is including protecting stove ironware (8), furnace body (13), gas collection distributing device (1) and coke discharging box (12), be equipped with carbomorphism room (3) in furnace body (13), gas collection distributing device (1) is connected at carbomorphism room (3) top, carbomorphism room (3) lower part sets up multirow branch material wall (4), a plurality of row burnt door (14) are seted up to furnace body (13) bottom, connect coke discharging box (12) under row burnt door (14), furnace body (13) are the rectangle structure, its characterized in that: the furnace protection iron piece (8) wraps the furnace body (13), the furnace body (13) comprises a red brick outer wall (7), an expansion joint (6), a refractory brick inner wall (5), a material distribution wall (4) and a middle partition wall (2), the furnace protection iron piece (8), the red brick outer wall (7), the expansion joint (6) and the refractory brick inner wall (5) are sequentially connected from outside to inside, a middle partition wall (2) is vertically arranged in the furnace body (13), the furnace body (13) is divided into a plurality of carbonization chambers (3) by the middle partition wall (2), and the carbonization chambers (3) are divided into a plurality of coke discharge doors (14) by the material distribution wall (4); the expansion joint (6) is filled with a heat insulation material; the coke discharging box (12) adopts a refractory castable or a tubular heat exchange mode, temperature measuring holes (9) are formed in the upper portion, the middle portion and the lower portion of the furnace body (13), thermocouples are inserted into the temperature measuring holes (9), the material distributing wall (4) is a refractory brick material distributing wall, and a triangular structure is arranged above the refractory brick material distributing wall.
2. The internally heated, medium and low temperature retort of claim 1, wherein: a mixing chamber (10) is arranged below the material distributing wall (4), and an air inlet (11) is formed in the mixing chamber (10).
3. The internally heated, medium and low temperature retort of claim 2, wherein: the gas collection and distribution device (1) is formed by welding herringbone steel members in a mutually vertical direction in a combined manner, and the gas collection and distribution device (1) is connected with a gas guide pipe.
4. The internally heated, medium and low temperature retort of claim 3, wherein: the number of the intermediate partitions (2) is multiple, and the intermediate partitions (2) are made of refractory bricks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721843891.2U CN212425956U (en) | 2017-12-26 | 2017-12-26 | Internal heating type medium-low temperature dry distillation furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721843891.2U CN212425956U (en) | 2017-12-26 | 2017-12-26 | Internal heating type medium-low temperature dry distillation furnace |
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| CN212425956U true CN212425956U (en) | 2021-01-29 |
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| CN201721843891.2U Active CN212425956U (en) | 2017-12-26 | 2017-12-26 | Internal heating type medium-low temperature dry distillation furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107964412A (en) * | 2017-12-26 | 2018-04-27 | 陕西冶金设计研究院有限公司 | Low temperature distillation stove in a kind of internal heat type coal |
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2017
- 2017-12-26 CN CN201721843891.2U patent/CN212425956U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107964412A (en) * | 2017-12-26 | 2018-04-27 | 陕西冶金设计研究院有限公司 | Low temperature distillation stove in a kind of internal heat type coal |
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