CN202989061U - Horizontal rotary type dry distillation equipment for coal - Google Patents
Horizontal rotary type dry distillation equipment for coal Download PDFInfo
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- CN202989061U CN202989061U CN2012205721597U CN201220572159U CN202989061U CN 202989061 U CN202989061 U CN 202989061U CN 2012205721597 U CN2012205721597 U CN 2012205721597U CN 201220572159 U CN201220572159 U CN 201220572159U CN 202989061 U CN202989061 U CN 202989061U
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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Abstract
The utility model discloses horizontal rotary type dry distillation equipment for coal. By means of the horizontal rotary type dry distillation equipment for the coal, the problems, exist in the existing external thermal dry distillation technology, that heat value use ratio is low and cost of the equipment is high, the problem, exists in an internal thermal dry distillation technology, that coal gas is mixed in nitrogen and the problem, exists in a combined dry distillation technology of the external thermal type and the internal type, that carbocoal delivery is difficult are solved. The horizontal rotary type dry distillation equipment for the coal comprises an outer cylinder, an inner cylinder and a flue positioned between the outer cylinder and the inner cylinder, wherein the inner cylinder and the outer cylinder revolve together, and corresponding heating zones and combustion zones are arranged on the inner cylinder and the outer cylinder, an incendiary cylinder communicated with the flue is mounted in the combustion zone of the inner cylinder, horizontal charge-returning spirals are arranged on the outer walls of the inner cylinder and the incendiary cylinder to prolong heating and dry distillation time of the coal, therefore smoke is separated from the coal gas in direct heating and indirect heating, sufficient heating and dry distillation of raw materials are guaranteed, and the low-energy large-scale dry distillation production of surface coal and oil shale is achieved.
Description
Technical field
The utility model belongs to technical field of coal chemical industry, is specifically related to a kind of coal horizontal gyrating type distillation apparatus.
Background technology
Common coal method for destructive distillation mainly contains external-heat dry distillation, semicoke direct heating dry distillation (internal heat type dry distillation) and interior external-heat combination method for destructive distillation.
The external-heat dry distillation has the low shortcoming of heat transfer efficiency, and heating jacket maintains static the external-heat distillation apparatus, the mode of inner cylinder rotating because taking, so inner core must have higher hot strength, so just can cause the metal inner core involve great expense and have the risk of high temperature deformation; The inner core of equipment is one-piece construction simultaneously, causes greatly operation inconvenience because of the large weight of equipment volume when installing/dismounting.
Because air directly contacts with coal, contain too much carbonic acid gas, ammonia and nitrogen in the coal gas that produces in retort process in the method process of internal heat type destructive distillation, process for so follow-up coal gas and make troubles, cause the gas quality that finally obtains relatively poor.
The common way of interior external-heat combination distillation process is that a cover turning device is set on the basis of external-heat distillation apparatus again, be specifically designed to the internal heat type burning of semicoke, heated semicoke with enter again the external-heat distillation apparatus after flue gas separates, this technology investment is large, many, the difficulty of transportation of hot semicoke conveying process between two rotary kilns, and equipment failure rate is high, hear rate is high, full-scale plant is many, takes up an area greatly, and the equipment operation is uneconomical.
Summary of the invention
The purpose of this utility model with a kind of coal horizontal gyrating type distillation apparatus is provided, so that utilization rate of heat value that existing external-heat distillation process exists is low and equipment manufacturing cost is high, gas pollution that the internal heat type distillation process exists is serious and the problem of the semicoke difficulty of transportation that interior external-heat combination distillation process exists to solve.
For this reason, the equipment that provides of the utility model specifically comprises: urceolus, be fixedly mounted on the axial flue that forms between inner core in urceolus and urceolus and inner core;
The two ends of described inner core are respectively feed end and discharge end, and by feed end to discharge end for walking to expect direction; The feed end of described inner core is equipped with feeding unit; The discharge end of described inner core is equipped with drawing mechanism;
In urceolus along walking to expect that direction is provided with heating destructive distillation I district and heating destructive distillation II district successively;
Be installed with combustion barrel at the inner core that is arranged in heating destructive distillation I district; Offer returning charge import, hot semicoke outlet, exhanst gas outlet and gas feed on the wall of described combustion barrel; Be installed with hot semicoke returning charge spiral on the outer wall of described combustion barrel, one end of this hot semicoke returning charge spiral is provided with hot semicoke import, this hot semicoke import and the outlet of hot semicoke are joined, and the other end is provided with hot semicoke returning charge outlet and this hot semicoke returning charge exports an end that is positioned at away from discharge end; Described exhanst gas outlet communicates with described flue;
Offer batch mixing outlet and the outlet of this batch mixing and be positioned at an end away from feed end on the wall of the inner core that is positioned at heating destructive distillation I district;
Be installed with the returning charge spiral on the outer wall of the inner core that is positioned at heating destructive distillation I district, one end of this returning charge spiral is provided with the batch mixing import, this batch mixing import and batch mixing outlet are joined, and the other end is provided with the returning charge outlet, and the returning charge import on this returning charge outlet and combustion barrel is joined;
Be provided with gas exit on the inner core that is positioned at heating destructive distillation II district;
Described flue one end is equipped with the combustion gas input unit, and this combustion gas input unit is positioned at discharge end, and the other end is equipped with the flue gas take-off equipment, and this flue gas take-off equipment is positioned at feed end.
The other technologies characteristics of device provided by the utility model are:
Described combustion barrel is positioned at feed end.
Described returning charge import is positioned at the end away from feed end.
Described returning charge import is positioned at the end away from discharge end, and described hot semicoke outlet is positioned at the end away from feed end.
Described exhanst gas outlet is positioned at the end away from feed end.
Described feeding unit comprises feed auger, and this feed auger is connected with inner core by the sound dish; Described drawing mechanism comprises the discharging spiral, and this discharging spiral is connected with inner core by the sound dish.
Described feed auger is hollow structure, and described gas feed is connected with air feeder with combustion gas by inlet pipe, and inlet pipe is passed feed auger.
Described combustion gas input unit comprises fuel chamber, and this fuel chamber is arranged on inner core and urceolus by mechanical seal, and described fuel chamber is provided with fuel gas inlet and gas outlet, and described gas outlet communicates with flue; Described flue gas take-off equipment comprises smoke chamber, and this smoke chamber is arranged on inner core and urceolus by mechanical seal, and described smoke chamber is provided with gas approach and fume emission mouth, and described gas approach communicates with flue (3).
The inner core that is arranged in heating destructive distillation I district in the device that the utility model provides is 400～600 ℃ of heating zone, be 800～1000 ℃ of combustion zones in combustion barrel, the inner core that is arranged in heating destructive distillation II district is 600～800 ℃ of heating zone, coal is transferred route as shown in Figure 2 in this device, take this mode of movement efficiently solve existing external-heating revolving destructive distillation and semicoke thermal barrier direct heating in conjunction with the time, the problem of hot semicoke difficulty of transportation between two rotary kilns; Combustion gas enters flue by the discharge end that installs and is finally exported by feed end by whole dry distillation area, has greatly improved the utilization rate of heat value of combustion gas; The flue gas that in semicoke direct heating process, (in the combustion chamber) produces is finally discharged after exhanst gas outlet enters flue, has avoided nitrogen and carbonic acid gas to the pollution of coal gas.Simultaneously, the inner core in device rotates together with urceolus, so the inner tube wall of the more traditional external-heat equipment of inner tube wall is thin, greatly reduces destructive distillation body of heater cost; Also be provided with horizontal returning charge spiral on inner core in device and combustion barrel outer wall, be heated the time of destructive distillation to extend coal, realize the isolation of direct and indirect heating flue gas and coal gas, guarantee that raw material is fully heated destructive distillation, guarantee the quality of coal gas, enhance productivity and destructive distillation thermo-efficiency, can realize the extensive face coal of less energy-consumption, oil shale retort production.
Description of drawings
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
The structural representation of the device that Fig. 1 provides for embodiment 1;
Fig. 2 is the delivery technology schema of coal in device;
each coded representation in figure: 1-urceolus, the 2-inner core, the 3-flue, the 4-combustion barrel, the hot semicoke returning charge of 5-spiral, the 6-exhanst gas outlet, the hot semicoke returning charge outlet of 7-, 8-returning charge spiral, 9-returning charge import, the 10-gas exit, the 11-feed auger, 12-discharging spiral, 13-fuel chamber, the 14-smoke chamber, the vertical feed channel of 15-, 16-charging flap valve, the vertical discharging channel of 17-, 18-discharging flap valve, 19-master wheel and transmission mechanism, 20-support roller and rolling ring, 21-coal gas and air transport device, 22-fume emission mouth, the 23-gas pipe, the 24-fuel gas inlet.
Embodiment
How with external-heating revolving destructive distillation and semicoke thermal barrier direct heating in conjunction with (interior external-heat in conjunction with), and complete the coal destructive distillation in an equipment, not only the opposite dry distillation of coal is significant, and the scale operation required equipment is maximized, reduce the facility investment of scale operation, reduce and take up an area, improve thermo-efficiency, guarantee the semicoke quality, improve the tar rate of recovery, improve caloric power of gas all significant.Adopt equipment of the present utility model with raw coal with after the hot semicoke returning charge of 800～1000 ℃ of combustion zone burning destructive distillation mixes, be back to 800～1000 ℃ of combustion zones, parts through 400～600 ℃ of heating zone heating destructive distillation rear portion foldbacks and send into 600～800 ℃ of heating zone; Coal after the burning destructive distillation of 800～1000 ℃ of combustion zones is that hot semicoke returning charge continues to be fed into 400～600 ℃ of heating zone and mixes with the feed coal of newly advancing; Collection is heated the coal of destructive distillation as final semicoke through 600～800 ℃ of heating zone; Collect 400～600 ℃ of heating zone and 600～800 ℃ of coal gas that the heating zone produces; Simultaneously, in process with the flue gas of 800～1000 ℃ of direct-fired semicokes in combustion zone of thermal source, internal heat type of external-heat 600～800 ℃ of heating zone and the generation thermal source as 400～600 ℃ of heating zone.
Below two kinds of concrete coal horizontal gyrating type distillation apparatus that the contriver provides:
Embodiment 1:
As shown in Figure 1, the device that this embodiment provides comprises urceolus 1 and is fixedly mounted on the axial flue 3 that forms between inner core 2 in urceolus 1 and inner/outer tube by supporting cup, urceolus 1 supports by twice support roller and rolling ring 20, and gear broad in the middle and transmission mechanism 19 are realized the inner/outer tube integral-rotation.
Wherein inner core 2 one ends are feed end, and the other end is discharge end; The feed end of inner core 2 is equipped with feed auger 11 by the sound dish, and then realize that inner core 2 is connected with dynamic seal between feed auger 11, that is to say that inner core 2 and feed auger 11 rotate not together, the import of feed auger 11 is equipped with vertical feed channel 15 by the sound dish, in this vertical feed channel 15, charging flap valve 16 is installed, and the upper inlet of vertical feed channel 15 communicates with the dry coal storehouse; The discharge end of inner core 2 is equipped with discharging spiral 12 by the sound dish, and the outlet of discharging spiral 12 is equipped with vertical discharging channel 17 by the sound dish, in this vertical discharging channel 17, discharging flap valve 18 is installed;
The discharge end of inner/outer tube is equipped with stationary gas chamber 13, the gas outlet that this fuel chamber 13 is provided with fuel gas inlet 24 and communicates with flue 3 by mechanical seal; The feed end of inner/outer tube is equipped with fixed smoke chamber 22 by mechanical seal, and this smoke chamber 22 is provided with gas approach and the fume emission mouth 22 that communicates with flue 3;
Along walk to expect direction namely by feed end to discharge end, be provided with heating destructive distillation I district and heating destructive distillation II district on inner/outer tube; Be installed with combustion barrel 4 at the inner core 2 that is arranged in heating destructive distillation I district by supporting cup, and combustion barrel 4 namely is positioned at feed end away from discharge end, offer returning charge import 9, the outlet of hot semicoke, exhanst gas outlet 6 and gas feed on the wall of combustion barrel 4, wherein returning charge import 9 is away from feed end; Hot semicoke outlet and returning charge import are at intervals fully burnt in combustion barrel 4 with the assurance returning charge; Exhanst gas outlet 6 can make from the flue 3 of combustion barrel 4 flue gas flow out through longer section away from feed end, and its calorific value is utilized the raw coal that heating is newly advanced; Segment section on the outer wall of combustion barrel 4 is installed with hot semicoke returning charge spiral 5, one end of this hot semicoke returning charge spiral 5 is hot semicoke import, this hot semicoke import communicates with hot semicoke outlet, and the other end is hot semicoke returning charge outlet 7, and this hot semicoke returning charge outlet 7 is away from discharge end; Exhanst gas outlet 6 communicates with flue 3 by fume pipe; Gas feed communicates by inlet pipe and equipment outer coal gas and air transport device gas blower 21;
Offer batch mixing outlet and the outlet of this batch mixing away from feed end on the wall of the inner core 2 that is positioned at heating destructive distillation I district;
Be installed with returning charge spiral 8 on the segment section outer wall of the inner core 2 that is positioned at heating destructive distillation I district, one end of this returning charge spiral 8 is the batch mixing import, this batch mixing import and batch mixing outlet are joined, and the other end is the returning charge outlet, and the returning charge import 9 on this returning charge outlet and combustion barrel 4 is joined;
End at the inner core 2 that is positioned at heating destructive distillation II district is provided with gas exit 10, and the coal gas that produces in the external-heat retort process is delivered to coal-gas recovering through gas exit 10, gas pipe and purifies refrigerating unit.
through 200 ℃ of dried dry coals (0-30 millimeter), through the dry coal storehouse, by the charging flap valve, feed auger enters inner core, this moment, heated hot semicoke exported by hot semicoke in combustion barrel, hot semicoke import, hot semicoke returning charge spiral and hot semicoke returning charge outlet are transmitted back to the inner core in heating destructive distillation I district, mix with the raw coal that newly advances, in the inner core in heating destructive distillation I district, raw coal is by hot semicoke direct heating, exported by batch mixing by the hot flue gas indirect heating rear portion (50%) in the ring-shaped flue between inner core and urceolus simultaneously, the batch mixing import, returning charge spiral and returning charge import are returned and are sent into combustion barrel, be used for burning and form hot semicoke returning charge and raw coal mixing direct heating raw coal, recycle, another part (50%) enters in the inner core in heating destructive distillation II district, continues by indirect heating, realizes exporting the destructive distillation inner core after thorough destructive distillation, and the coal gas that destructive distillation produces in inner core is derived outside stove, by techniques such as cooling, purification, tar recovery through gas line.
In combustion barrel, needed combustion gas and air are sent into by the gas feed on combustion barrel, and the flue gas that produces in combustion processes simultaneously final fume emission mouth from fixed smoke chamber after the exhanst gas outlet on combustion barrel, fume pipe enter flue is discharged; Combustion gas in flue and air are by the input of the fuel gas inlet in fuel chamber, and the flue gas flow that the fuel gas buring in flue produces is discharged from the fume emission mouth after whole flue.
Above-mentioned technological process adopts rotary dry distillation, and thermal barrier returns at the destructive distillation inner tank theca, does not need special handling equipment, mix with feed coal again after the cylinder roasting heating in destructive distillation, realize the thermal barrier heating of coal, carry out simultaneously the external-heat destructive distillation, realized separating of flue gas and coal gas, heat transfer efficiency is high, and caloric power of gas is high, introduce without nitrogen, output is large, can realize scale operation, not only energy-conservation, and invest littlely, easy to maintenance, automatization level is high.
Embodiment 2:
As shown in Figure 2, the device difference from Example 1 of this embodiment is: returning charge import 9 is away from discharge end, is installed with returning charge spiral 8 on whole section outer wall of the inner core 2 that is positioned at heating destructive distillation I district; The outlet of hot semicoke is away from feed end, all is mounted with hot semicoke returning charge spiral 5 on the outer wall of combustion barrel 4 in whole minute.
Claims (8)
1. coal horizontal gyrating type distillation apparatus comprises urceolus (1) and is fixedly mounted on inner core (2) in urceolus (1) that it is characterized in that, equipment further comprises the axial flue (3) that forms between urceolus (1) and inner core (2);
The two ends of described inner core (2) are respectively feed end and discharge end, and by feed end to discharge end for walking to expect direction; The feed end of described inner core (2) is equipped with feeding unit; The discharge end of described inner core (2) is equipped with drawing mechanism;
In urceolus (1) along walking to expect that direction is provided with heating destructive distillation I district and heating destructive distillation II district successively;
Be installed with combustion barrel (4) at the inner core (2) that is arranged in heating destructive distillation I district; Offer returning charge import (9), the outlet of hot semicoke, exhanst gas outlet (6) and gas feed on the wall of described combustion barrel (4); Be installed with hot semicoke returning charge spiral (5) on the outer wall of described combustion barrel (4), one end of this hot semicoke returning charge spiral (5) is provided with hot semicoke import, the outlet of this hot semicoke import and hot semicoke is joined, and the other end is provided with hot semicoke returning charge outlet (7) and should hot semicoke returning charge exports (7) and is positioned at an end away from discharge end; Described exhanst gas outlet (6) communicates with described flue (3);
Offer batch mixing outlet and the outlet of this batch mixing and be positioned at an end away from feed end on the wall of the inner core (2) that is positioned at heating destructive distillation I district;
Be installed with returning charge spiral (8) on the outer wall of the inner core (2) that is positioned at heating destructive distillation I district, one end of this returning charge spiral (8) is provided with the batch mixing import, this batch mixing import and batch mixing outlet are joined, the other end is provided with the returning charge outlet, and the returning charge import (9) on this returning charge outlet and combustion barrel (4) is joined;
Be provided with gas exit (10) on the inner core (2) that is positioned at heating destructive distillation II district;
Described flue (3) one ends are equipped with the combustion gas input unit, and this combustion gas input unit is positioned at discharge end, and the other end is equipped with the flue gas take-off equipment, and this flue gas take-off equipment is positioned at feed end.
2. equipment as claimed in claim 1, is characterized in that, described combustion barrel (4) is positioned at feed end.
3. equipment as claimed in claim 2, is characterized in that, described returning charge import (9) is positioned at the end away from feed end.
4. equipment as claimed in claim 2, is characterized in that, described returning charge import (9) is positioned at the end away from discharge end, and described hot semicoke outlet is positioned at the end away from feed end.
5. equipment as claimed in claim 1, is characterized in that, described exhanst gas outlet (6) is positioned at the end away from feed end.
6. equipment as claimed in claim 1, is characterized in that, described feeding unit comprises feed auger (11), and this feed auger (11) is connected with inner core (2) by the sound dish; Described drawing mechanism comprises discharging spiral (12), and this discharging spiral (12) is connected with inner core (2) by the sound dish.
7. equipment as claimed in claim 6, is characterized in that, described feed auger (11) is hollow structure, and described gas feed is connected 21 with combustion gas with air feeder by inlet pipe) be connected, and inlet pipe is passed feed auger (11).
8. equipment as claimed in claim 1, it is characterized in that, described combustion gas input unit comprises fuel chamber (13), this fuel chamber (13) is arranged on inner core (2) and urceolus (1) by mechanical seal, described fuel chamber (13) is provided with fuel gas inlet (24) and gas outlet, and described gas outlet communicates with flue (3); Described flue gas take-off equipment comprises smoke chamber (14), this smoke chamber (14) is arranged on inner core (2) and urceolus (1) by mechanical seal, described smoke chamber (14) is provided with gas approach and fume emission mouth (22), and described gas approach communicates with flue (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205721597U CN202989061U (en) | 2012-11-01 | 2012-11-01 | Horizontal rotary type dry distillation equipment for coal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205721597U CN202989061U (en) | 2012-11-01 | 2012-11-01 | Horizontal rotary type dry distillation equipment for coal |
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| CN202989061U true CN202989061U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012205721597U Expired - Lifetime CN202989061U (en) | 2012-11-01 | 2012-11-01 | Horizontal rotary type dry distillation equipment for coal |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103555349A (en) * | 2013-08-02 | 2014-02-05 | 卢秉威 | Small particle solid raw material low temperature dry distillation furnace |
| CN104312606A (en) * | 2014-11-04 | 2015-01-28 | 晏子俊 | Powdery oil shale retort for heating by using semicoke generated by retorting as fuel |
| CN105546975A (en) * | 2016-01-21 | 2016-05-04 | 中国庆华能源集团有限公司 | Two-section rotating pyrolysis reactor |
| CN105778943A (en) * | 2016-04-29 | 2016-07-20 | 徐州曹氏化工机械制造有限公司 | Raw material feeding device for reaction furnace of coal pyrolysis rotary furnace chemical process system |
| CN107384456A (en) * | 2017-07-28 | 2017-11-24 | 北京广厦环能科技股份有限公司 | Integral rotary type solid heat carrier retort |
-
2012
- 2012-11-01 CN CN2012205721597U patent/CN202989061U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103555349A (en) * | 2013-08-02 | 2014-02-05 | 卢秉威 | Small particle solid raw material low temperature dry distillation furnace |
| CN103555349B (en) * | 2013-08-02 | 2015-06-24 | 卢秉威 | Small particle solid raw material low temperature dry distillation furnace |
| CN104312606A (en) * | 2014-11-04 | 2015-01-28 | 晏子俊 | Powdery oil shale retort for heating by using semicoke generated by retorting as fuel |
| CN105546975A (en) * | 2016-01-21 | 2016-05-04 | 中国庆华能源集团有限公司 | Two-section rotating pyrolysis reactor |
| CN105778943A (en) * | 2016-04-29 | 2016-07-20 | 徐州曹氏化工机械制造有限公司 | Raw material feeding device for reaction furnace of coal pyrolysis rotary furnace chemical process system |
| CN105778943B (en) * | 2016-04-29 | 2019-03-08 | 徐州曹氏化工机械制造有限公司 | A kind of feedstock device for reacting furnace in pyrolysis of coal revolving burner chemical system |
| CN107384456A (en) * | 2017-07-28 | 2017-11-24 | 北京广厦环能科技股份有限公司 | Integral rotary type solid heat carrier retort |
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Owner name: YULIN YUSHEN INDUSTRIAL ZONE ENERGY TECHNOLOGY DEV Free format text: FORMER OWNER: CHANGAN UNIV. Effective date: 20140520 |
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Free format text: CORRECT: ADDRESS; FROM: 710064 XI'AN, SHAANXI PROVINCE TO: 719000 YULIN, SHAANXI PROVINCE |
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Effective date of registration: 20140520 Address after: 719000 administration building of Yu Shen industrial zone, Shaanxi, Yulin Patentee after: YULIN YUSHEN INDUSTRIAL AREA ENERGY TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 710064 Xi'an Province, South Second Ring Road Patentee before: CHANG'AN University |
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| CX01 | Expiry of patent term |
Granted publication date: 20130612 |
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| CX01 | Expiry of patent term |