CN104830359A - External heating type coal dry distillation rotary furnace - Google Patents
External heating type coal dry distillation rotary furnace Download PDFInfo
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- CN104830359A CN104830359A CN201510226140.5A CN201510226140A CN104830359A CN 104830359 A CN104830359 A CN 104830359A CN 201510226140 A CN201510226140 A CN 201510226140A CN 104830359 A CN104830359 A CN 104830359A
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Abstract
The invention provides an external heating type coal dry distillation rotary furnace. A rotary cylinder can be movably arranged on the inner side of an externally-heating jacket; the left end of the rotary cylinder is provided with a front end plate, the right end of the rotary cylinder is provided with a rear end flange; a position near the left end of the externally-heating jacket is provided with a jacket inlet, a position near the right end of the externally-heating jacket is provided with a jacket outlet; the right end of a feed device goes through the left end of the externally-heating jacket and the front end plate of the rotary cylinder in sequence, the feed device rotatingly cooperates with the left end of the externally-heating jacket and is fixedly connected to the front end plate; the right end of the rotary cylinder goes through the right end of the externally-heating jacket and rotatingly cooperates with the right end of the externally-heating jacket; a material discharge device is fixedly arranged on the rear end flange, multiple heating straight pipes are evenly arranged on the internal circumference of the rotary cylinder, the inlet ends of the heating straight pipes are arranged on the front end plate of the rotary cylinder and communicated with the jacket inlet, and the outlets of the heating straight pipes are arranged on the right part of the rotary cylinder and communicated with the outlet of the jacket. The provided external heating type coal drying distillation rotary furnace can heat coals evenly and is capable of improving the heat exchange efficiency.
Description
Technical field
The invention belongs to technical field of coal chemical industry, be specifically related to a kind of external-heat dry distillation of coal rotary kiln.
Background technology
Coal is the most uncleanly resource in the three megafossil energy, and its discharge intensity developing process is 2 times of Sweet natural gas, exceeds 30% than oil.Country's correlation report display, in the PM2.5 that coal produces, about 6 one-tenth directly to be burnt generation by coal, and about 4 one-tenth is the key industrys discharge that uses with coal, and producing high value added product by the method for dry distillation of coal upgrading is effective way that is clean, that utilize coal resources efficiently.
The domestic equipment for the dry distillation of coal mainly vertical retort at present, but vertical retort can only use the lump coal of 30 ~ 80mm, and the caloric power of gas generated is low, and can not use as industrial chemicals, thus domestic large measuring mechanism starts to adopt external heat type rotary furnace to carry out the dry distillation of coal, this equipment can process the fine coal of below 30mm, and oil yield rate and factor of created gase high, there is good prospect, but it is lower that external heat type rotary furnace has heat transfer coefficient, the shortcoming that thermo-efficiency is not high, when separate unit raw coal treatment capacity reaches 50 ~ 1,000,000 tons/year, required rotary kiln size is larger, thus cause facility investment huge, and add device fabrication, transport, the difficulty of installing.
Summary of the invention
For above-mentioned prior art Problems existing, the invention provides a kind of external-heat dry distillation of coal rotary kiln, its heat transfer coefficient is high, heat exchanger effectiveness is high, and what be conducive to that coal dust is heated is even.
To achieve these goals, the invention provides a kind of external-heat dry distillation of coal rotary kiln, comprise rotating cylinder, external heating jacket, feeding unit, be fixedly installed on rotating cylinder inwall and heat straight tube, described rotating cylinder be arranged on rotationally external heating jacket inboard and and leave gap between external heating jacket to form circular channel, the left end of described rotating cylinder is provided with front end-plate, its right-hand member is provided with rear end flanges, the position of the contiguous left end of described external heating jacket is provided with chuck import, the position of its contiguous right-hand member is provided with Jacket outlet, the right-hand member of described feeding unit is successively through the left end of external heating jacket, the front end-plate of rotating cylinder, the left end of this feeding unit and external heating jacket is rotatably assorted, it is fixedly connected with front end-plate, the right-hand member of described rotating cylinder passes the right-hand member of described external heating jacket and is rotatably assorted with it, the rear end flanges of described rotating cylinder is fixedly installed drawing mechanism, many heating straight tubes distribute equably along the inner periphery of described rotating cylinder, on the front end-plate that the inlet end of described heating straight tube is arranged at rotating cylinder and with chuck inlet communication, the outlet of this heating straight tube is arranged on rotating cylinder right part and radial direction runs through rotating cylinder is communicated with Jacket outlet.
In this technical scheme, significantly can be improved total heat interchanging area of destructive distillation rotary kiln by the setting of heating straight tube, this heating straight tube also plays the effect of material lifting flights simultaneously, carries out while realizing material copy and heating, what be conducive to being heated is even, can improve heat exchanger effectiveness.
Further, also comprise the ring-like isolation baffle plate being fixedly installed on external heating jacket inside, the front end-plate of described rotating cylinder is positioned at the below of chuck import central zone, described isolation baffle rings is around the left end of rotating cylinder, the external diameter of its internal diameter and rotating cylinder is suitable, and chuck import is divided into separate left part import and right part import by this isolation baffle plate.
In this technical scheme, by isolating the setting of baffle plate, the passage of circular channel and heating straight tube entrance be divide into two independently spaces, can conveniently control respectively the hot blast entered in circular channel and heating straight tube like this.
Further, described left part import, right part ingress are respectively arranged with the first air regulating board, the second air regulating board.
In this technical scheme, by the setting of the first air regulating board, the second air regulating board, by the setting of the first air regulating board, the second air regulating board, the sendout of the hot blast of circular channel and heating straight tube conveniently can be controlled.
Further, the spacing between described heating straight tube is not less than 200mm.
In this technical scheme, by making the spacing between heating straight tube be not less than 200mm, what be so not only conducive to that material is heated is even, can also prevent the generation of the situation of getting stuck.
Further, described heating straight tube is provided with bellow expansion joint.
In this technical scheme, by the setting of bellow expansion joint, can the thermal expansion of compensation conduit.
Further, between described external heating jacket and feeding unit, be provided with the first sound fitted seal device, between the right-hand member of described external heating jacket and rotating cylinder, be provided with the second sound fitted seal device.
In this technical scheme, by the setting of sound fitted seal device, can prevent rotary kiln from leaking out.
Further, described heating straight tube is the one in pipe, Circular Pipe or special pipe.
In this technical scheme, by making heating straight tube be one in pipe, Circular Pipe or special pipe, the versatility of this rotary kiln can be improved like this, better adaptability can be had to the fine coal of different size.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 be Fig. 1 A-A to sectional view;
Fig. 3 be Fig. 1 B-B to sectional view.
In figure: 1, feeding unit, 2, chuck import, 3, isolation baffle plate, 4, the second air regulating board, 5, external heating jacket, 6, rotating cylinder, 7, straight tube is heated, 8, bellow expansion joint, 9, Jacket outlet, 10, the second sound fitted seal device, 11, drawing mechanism, 12, front end-plate, 13, the first air regulating board, the 14, first sound fitted seal device, 15, rear end flanges, 16, left part import, 17, right part import.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1 to Figure 3, a kind of external-heat dry distillation of coal rotary kiln, comprise rotating cylinder 6, external heating jacket 5, feeding unit 1, be fixedly installed on rotating cylinder 6 inwall and heat straight tube 7, described rotating cylinder 6 be arranged on rotationally external heating jacket 5 inboard and and leave gap between external heating jacket 5 to form circular channel, the left end of described rotating cylinder 6 is provided with front end-plate 12, its right-hand member is provided with rear end flanges 15, to form an airtight dry distillation of coal reaction compartment, the position of the contiguous left end of described external heating jacket 5 is provided with chuck import 2, the position of its contiguous right-hand member is provided with Jacket outlet 9, such hot blast can enter circular channel from chuck import 2, discharge from Jacket outlet 9 again, the moving process of hot blast in circular channel provides heat to the dry distillation of coal, the right-hand member of described feeding unit 1 is successively through the left end of external heating jacket 5, the front end-plate 12 of rotating cylinder 6, this feeding unit 1 is rotatably assorted with the left end of external heating jacket 5, it is fixedly connected with front end-plate 12, the right-hand member of described rotating cylinder 6 passes the right-hand member of described external heating jacket 5 and is rotatably assorted with it, the rear end flanges 15 of described rotating cylinder 6 is fixedly installed drawing mechanism 11, drawing mechanism 11 generates the discharging of semicoke for reacting, many heating straight tubes 7 distribute equably along the inner periphery of described rotating cylinder 6, the front end-plate 12 that the inlet end of described heating straight tube 7 is arranged at rotating cylinder 6 is communicated with chuck import 2, the outlet of this heating straight tube 7 is arranged on rotating cylinder 6 right part and radial direction runs through rotating cylinder 6 is communicated with Jacket outlet 9.Significantly can improve total heat interchanging area of destructive distillation rotary kiln by heating the setting of straight tube 7, this heating straight tube 7 also plays the effect of material lifting flights simultaneously, carries out while realizing material copy and heating, and what be conducive to being heated is even, can improve heat exchanger effectiveness.
Also comprise the ring-like isolation baffle plate 3 being fixedly installed on external heating jacket 5 inside, the front end-plate 12 of described rotating cylinder 6 is positioned at the below of chuck import 2 central zone, described isolation baffle plate 3 is around the left end of rotating cylinder 6, the external diameter of its internal diameter and rotating cylinder 6 is suitable, and chuck import 2 is divided into separate left part import 16 and right part import 17 by this isolation baffle plate 3.By isolating the setting of baffle plate 3, the passage of circular channel and heating straight tube 7 entrance be divide into two independently spaces, can facilitate like this and control respectively.
Described left part import 16, right part import 17 place are respectively arranged with the first air regulating board 13, second air regulating board 4.By the setting of the first air regulating board, the second air regulating board, the hot blast sendout of circular channel and heating straight tube conveniently can be controlled.
Even in order to what be more conducive to that material is heated, can also prevent the generation of the situation of getting stuck, the spacing between described heating straight tube 7 is not less than 200mm.
For compensating the thermal stresses that heating straight tube 7 produces due to temperature head with rotating cylinder 6, described heating straight tube 7 is provided with bellow expansion joint 8.
For preventing leaking out, be provided with the first sound fitted seal device 14 between described external heating jacket 5 and feeding unit 1, the first sound fitted seal device 14 is here made up of the first sealing-ring and the second sealing-ring matched with the first sealing-ring be fixedly installed on feeding unit 1 being fixedly installed on external heating jacket 5 left end.Be provided with the second sound fitted seal device 10 between the right-hand member of described external heating jacket 5 and rotating cylinder 6, this second sound fitted seal device 10 is made up of the first sealing-ring be fixedly installed on external heating jacket 5 right-hand member and the second sealing-ring matched with the first sealing-ring be fixedly installed on rotating cylinder 6.
Described heating straight tube 7 is the one in pipe, Circular Pipe or special pipe.The shape and size of heating straight tube 7 are determined by required heat transfer area and actual internal area, ensure rotating cylinder heat transfer area as far as possible and heat the ratio of straight tube 7 heat transfer area close to the ratio of chuck circular channel circulation area with the total circulation area of heating straight tube 7.By making heating straight tube 7 be one in pipe, Circular Pipe or special pipe, the versatility of this rotary kiln can be improved like this, better adaptability can be had to the fine coal of different size.
Claims (7)
1. an external-heat dry distillation of coal rotary kiln, comprise rotating cylinder (6), external heating jacket (5), feeding unit (1), described rotating cylinder (6) be arranged on rotationally external heating jacket (5) inboard and and leave gap between external heating jacket (5) to form circular channel, the left end of described rotating cylinder (6) is provided with front end-plate (12), its right-hand member is provided with rear end flanges (15), the position of the contiguous left end of described external heating jacket (5) is provided with chuck import (2), the position of its contiguous right-hand member is provided with Jacket outlet (9), it is characterized in that, also comprise being fixedly installed on rotating cylinder (6) inwall and heat straight tube (7), the right-hand member of described feeding unit (1) is successively through the left end of external heating jacket (5), the front end-plate (12) of rotating cylinder (6), this feeding unit (1) is rotatably assorted with the left end of external heating jacket (5), it is fixedly connected with front end-plate (12), the right-hand member of described rotating cylinder (6) passes the right-hand member of described external heating jacket (5) and is rotatably assorted with it, the rear end flanges (15) of described rotating cylinder (6) is fixedly installed drawing mechanism (11), many heating straight tube (7) distribute equably along the inner periphery of described rotating cylinder (6), it is upper and be communicated with chuck import (2) that the inlet end of described heating straight tube (7) is arranged at the front end-plate (12) of rotating cylinder (6), the outlet of this heating straight tube (7) is arranged on rotating cylinder (6) right part and radial direction runs through rotating cylinder (6) is communicated with Jacket outlet (9).
2. a kind of external-heat dry distillation of coal rotary kiln according to claim 1, it is characterized in that, also comprise and be fixedly installed on the inner ring-like isolation baffle plate (3) of external heating jacket (5), the front end-plate (12) of described rotating cylinder (6) is positioned at the below of chuck import (2) central zone, described isolation baffle plate (3) is around the left end of rotating cylinder (6), the external diameter of its internal diameter and rotating cylinder (6) is suitable, chuck import (2) is divided into separate left part import (16) and right part import (17) by this isolation baffle plate (3).
3. a kind of external-heat dry distillation of coal rotary kiln according to claim 2, it is characterized in that, described left part import (16), right part import (17) place are respectively arranged with the first air regulating board (13), the second air regulating board (4).
4. a kind of external-heat dry distillation of coal rotary kiln according to any one of claims 1 to 3, is characterized in that, the spacing between described heating straight tube (7) is not less than 200mm.
5. a kind of external-heat dry distillation of coal rotary kiln according to claim 4, is characterized in that, described heating straight tube (7) is provided with bellow expansion joint (8).
6. a kind of external-heat dry distillation of coal rotary kiln according to any one of claims 1 to 3, it is characterized in that, be provided with the first sound fitted seal device (14) between described external heating jacket (5) and feeding unit (1), between the right-hand member of described external heating jacket (5) and rotating cylinder (6), be provided with the second sound fitted seal device (10).
7. a kind of external-heat dry distillation of coal rotary kiln according to any one of claims 1 to 3, is characterized in that, described heating straight tube (7) is pipe, one in Circular Pipe or special pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510226140.5A CN104830359A (en) | 2015-05-06 | 2015-05-06 | External heating type coal dry distillation rotary furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510226140.5A CN104830359A (en) | 2015-05-06 | 2015-05-06 | External heating type coal dry distillation rotary furnace |
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| CN104830359A true CN104830359A (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510226140.5A Pending CN104830359A (en) | 2015-05-06 | 2015-05-06 | External heating type coal dry distillation rotary furnace |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106350085A (en) * | 2016-09-09 | 2017-01-25 | 新疆广汇中化能源技术开发有限公司 | Dry distillation apparatus |
| CN107603652A (en) * | 2017-10-31 | 2018-01-19 | 陕西煤业化工集团神木天元化工有限公司 | One kind passivation cooling anthracitic method of carbonization |
| CN107936998A (en) * | 2017-12-08 | 2018-04-20 | 北京神雾电力科技有限公司 | A kind of grain size grading charging rapid pyrolysis apparatus and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008032299A (en) * | 2006-07-27 | 2008-02-14 | Japan Sewage Works Agency | Tar removing method of external heating type rotary kiln |
| CN102757800A (en) * | 2012-06-08 | 2012-10-31 | 北京国电龙源环保工程有限公司 | Low-temperature dry distillation equipment and method for low-rank coal and oil shale |
| CN103409155A (en) * | 2012-11-27 | 2013-11-27 | 山东天力干燥股份有限公司 | Multi-tube rotary furnace and method for performing low-temperature carbonization on materials by using multi-tube rotary furnace |
| CN204589075U (en) * | 2015-05-06 | 2015-08-26 | 徐州曹氏化工机械制造有限公司 | External-heat dry distillation of coal rotary kiln |
-
2015
- 2015-05-06 CN CN201510226140.5A patent/CN104830359A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008032299A (en) * | 2006-07-27 | 2008-02-14 | Japan Sewage Works Agency | Tar removing method of external heating type rotary kiln |
| CN102757800A (en) * | 2012-06-08 | 2012-10-31 | 北京国电龙源环保工程有限公司 | Low-temperature dry distillation equipment and method for low-rank coal and oil shale |
| CN103409155A (en) * | 2012-11-27 | 2013-11-27 | 山东天力干燥股份有限公司 | Multi-tube rotary furnace and method for performing low-temperature carbonization on materials by using multi-tube rotary furnace |
| CN204589075U (en) * | 2015-05-06 | 2015-08-26 | 徐州曹氏化工机械制造有限公司 | External-heat dry distillation of coal rotary kiln |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106350085A (en) * | 2016-09-09 | 2017-01-25 | 新疆广汇中化能源技术开发有限公司 | Dry distillation apparatus |
| CN107603652A (en) * | 2017-10-31 | 2018-01-19 | 陕西煤业化工集团神木天元化工有限公司 | One kind passivation cooling anthracitic method of carbonization |
| CN107936998A (en) * | 2017-12-08 | 2018-04-20 | 北京神雾电力科技有限公司 | A kind of grain size grading charging rapid pyrolysis apparatus and method |
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Application publication date: 20150812 |
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| RJ01 | Rejection of invention patent application after publication |