CN209065829U - A kind of three-stage rotary kiln face dry distillation of coal device - Google Patents
A kind of three-stage rotary kiln face dry distillation of coal device Download PDFInfo
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- CN209065829U CN209065829U CN201821730938.9U CN201821730938U CN209065829U CN 209065829 U CN209065829 U CN 209065829U CN 201821730938 U CN201821730938 U CN 201821730938U CN 209065829 U CN209065829 U CN 209065829U
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- dry distillation
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Abstract
The utility model relates to a kind of three-stage rotary kiln face dry distillation of coal devices, belong to face dry distillation of coal technical field.Three-stage rotary kiln face dry distillation of coal device includes rotary shelf drier, rotary gas retort and rotary cooler；The discharge port of rotary shelf drier is connected with the feed inlet of rotary gas retort, and the discharge port of rotary gas retort is connected with the feed inlet of rotary cooler；The smoke outlet of rotary gas retort is connected by flue gas pipeline with the drying gas import of rotary shelf drier；Rotary gas retort further includes gas exit, and gas exit is connected with gas cleaning system.Coal carbonization is carried out using the destructive distillation device of the application, there are the remarkable advantages such as feed coal coal quality requirements are low, retort process is easy to control, fuel source is wide, pyrolysis gas quality is good, semicoke, quality of coke tar is excellent, the thermal efficiency is high.
Description
Technical field
The utility model relates to a kind of three-stage rotary kiln face dry distillation of coal devices, belong to face dry distillation of coal technical field.
Background technique
Attention of the semi-coke as clear energy sources increasingly by society and government, semi-coke is being detested using high volatile raw coal
It heats, decompose under oxygen condition, generate the process (dry distillation of coal process) of the products such as semicoke (being commonly called as semi-coke), coal tar, crude benzol, coal gas
It forms.The traditional handicraft of semi-coke mostly uses kiln formula production technology, and the requirement to coal quality is tighter, and can only be to lump coal, seed coal
Destructive distillation production is carried out, the face coal for accounting for raw coal total amount 30% or so can not carry out destructive distillation processing, and the prior art is produced in semi-coke
In the process, there are problems that the high production cost of production unit and the wasting of resources.
Utility model content
To solve the problems, such as existing semi-coke high production cost and the wasting of resources, the utility model provides a kind of three-stage revolution
Kiln face dry distillation of coal device.
In order to solve the above technical problems, the technology employed by the present utility model is
A kind of three-stage rotary kiln face dry distillation of coal device comprising rotary shelf drier, rotary gas retort and rotary
Cooler；
The discharge port of rotary shelf drier is connected with the feed inlet of rotary gas retort, the discharge port of rotary gas retort with
The feed inlet of rotary cooler is connected；
The smoke outlet of rotary gas retort is connected by flue gas pipeline with the drying gas import of rotary shelf drier；
Rotary gas retort further includes gas exit, and gas exit is connected with gas cleaning system.
Preferably, the feed inlet of the discharge port of rotary shelf drier and rotary gas retort, the discharging of rotary gas retort
Mouth passes through star-like flapper with the feed inlet of rotary cooler and is connected to.
Preferably, the feed end of rotary shelf drier is provided with out coal bunker and screw(-type) feeder.
Preferably, gas retort includes three sections of destructive distillation rooms being sequentially communicated.
Preferably, externally heated oven is provided on the outside of destructive distillation room.
Preferably, the discharge end of rotary cooler is provided with Star-like unloader, and Star-like unloader discharge gate connects scraper plate
Machine is equipped with spiral nozzle on scrapper conveyor.
Preferably, gas cleaning system includes the hot precipitator being sequentially communicated, Wen Shita, horizontal water-tube cooler, electric tar
Oily device and blower；
Wherein, the input end of hot precipitator is connected to gas exit, and the outlet end of blower is connected to coal gas storage device.
Preferably, tar, ammonium hydroxide outlet, tar ammonia are additionally provided on Wen Shita, horizontal water-tube cooler and electrical tar precipitator
Outlet is connected to ammonia water tank.
The utility model provides a kind of three-stage rotary kiln face dry distillation of coal device, using three-stage rotary kiln gas retort,
Face coal walks cylinder, and hot fume walks kiln external heat, and hot fume is by kiln wall indirect heating face coal, so that coal be made to be pyrolyzed；
Compared with prior art technology, coal carbonization is carried out using the destructive distillation device of the application, there is feed coal coal quality to want
Ask low, retort process is easy to control, fuel source is wide, is pyrolyzed gas quality is good, semicoke, quality of coke tar is excellent, the thermal efficiency is high etc.
Remarkable advantage.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of three-stage rotary kiln provided by the embodiment of the utility model face dry distillation of coal device；
Fig. 2 is the structural schematic diagram of gas cleaning system provided by the embodiment of the utility model.
In figure:
1: rotary shelf drier；2: rotary gas retort；3: rotary cooler；4: flue gas pipeline；5: gas exit；6:
Hot precipitator；7: Wen Shita；8: horizontal water-tube cooler；9: electrical tar precipitator；10: blower.
Specific embodiment
Specific embodiment of the utility model is described further with reference to the accompanying drawing.
A kind of three-stage rotary kiln face dry distillation of coal device is provided in the present embodiment comprising rotary shelf drier 1,
Rotary gas retort 2 and rotary cooler 3.
The discharge port of rotary shelf drier 1 is connected with the feed inlet of rotary gas retort 2, the discharging of rotary gas retort 2
Mouth is connected with the feed inlet of rotary cooler 3.
The smoke outlet of rotary gas retort 2 is connected by flue gas pipeline 4 with the drying gas import of rotary shelf drier 3.
Rotary gas retort 2 further includes gas exit 5, and gas exit 5 is connected with gas cleaning system.
The feed inlet of the discharge port of rotary shelf drier 1 and rotary gas retort 2, the discharge port of rotary gas retort 2 with
The feed inlet of rotary cooler 3 passes through star-like flapper and is connected to.
It should be understood that above-described discharge port, feed inlet refer to solid material, discharge port, feed inlet it
Between material transferring be to be realized by screw(-type) feeder.
Meanwhile the feed end of rotary shelf drier 2 is provided with out coal bunker and screw(-type) feeder.
Rotary gas retort 2 includes three sections of destructive distillation rooms being sequentially communicated, and destructive distillation is provided with externally heated oven on the outside of room.
The discharge end of rotary cooler 3 is provided with Star-like unloader, and Star-like unloader discharge gate connects scrapper conveyor, scraper plate
Spiral nozzle is installed on machine.
In order to which the course of work to above-mentioned three-stage rotary kiln face dry distillation of coal device is further detailed, this embodiment party
Formula additionally provides the course of work of destructive distillation device:
Face coal is from feeding rotary shelf drier 1 of the coal bunker through screw(-type) feeder uniformly continuous is gone out, when the temperature of coal charge is high
When 100 DEG C, the moisture in coal is evaporated, and when temperature is increased to 200 DEG C or more, the crystallization water releases in coal.Dry coal charge is through star
Type blocking valve and screw(-type) feeder are sent into rotary gas retort 2.The heat source of rotary shelf drier 1 is what hot fume pipeline 4 was sent
Rotary 2 exhaust gas of gas retort.
The roller section of rotary gas retort 2 is uniformly divided into three independent destructive distillation rooms, to increase the treating capacity of coal charge.Coal
When material is heated up to 400~500 DEG C, most of coal gas and tar are precipitated, and generate a thermal decomposition product.At 450~550 DEG C, heat
Decomposition continues, and residue gradually retrogradation and is formed by curing semicoke.When temperature is higher than 550 DEG C, semicoke continues to decompose, more than precipitation
Under volatile matter (main component is hydrogen), semicoke is weightless to be shunk simultaneously, forms crackle.Semicoke is through the star-like blocking valve of high temperature
It is sent into rotary cooler 3.Rotary gas retort 2 is external heating type, and coal gas enters externally heated oven through mixed gas burner, is heated
The temperature that rotary 2 outer wall of gas retort is required to technique, by temperature sensor temp measuring system automatic control.Rotary gas retort 2 generates
Flue gas through hot fume pipeline 4 be sent into rotary shelf drier 1, preheat coal charge.The raw coke oven gas that rotary gas retort 2 generates is through famine
Gas exit is sent into gas cleaning system.
High-temperature semi-coke is mutually exchanged indirect thermal with cooling water in the star-like blocking valve feeding rotary cooler 3 of high temperature and is cooled to
150-200 DEG C, cooling drive end unit is equipped with Star-like unloader, and Star-like unloader discharge gate connects scrapper conveyor, installs on scrapper conveyor
There is spiral nozzle, shower humidification is carried out to semicoke, is reduced to 100 DEG C or less from 150 DEG C -200 DEG C.
Gas cleaning system includes the hot precipitator 6 being sequentially communicated, Wen's tower 7, horizontal water-tube cooler 8, electrical tar precipitator 9
With blower 10, wherein the input end of hot precipitator 6 is connected to gas exit, the outlet end of blower 10 and coal gas storage device
Connection.Tar, ammonium hydroxide outlet, tar ammonia outlet and ammonia are additionally provided on Wen's tower 7, horizontal water-tube cooler 8 and electrical tar precipitator 9
Water pot connection.
The specific course of work of gas cleaning system are as follows: the raw coke oven gas generated in retort process will be waste through hot precipitator 6
Semicoke fine powder in coal gas is from 73g/Nm3It is reduced to 25mg/Nm3, into Wen's tower 7 in it is tentatively cooling, temperature is down to 80~100
DEG C, it enters back into horizontal water-tube cooler 8, coal gas is down to 35 DEG C from 92 DEG C, subsequently into electrical tar precipitator 9, traps remaining tar, so
It is pressurizeed afterwards by blower 10, into subsequent processing workshop section or is directly entered gas chamber storage.Wen's tower 7, horizontal water-tube cooler 8 and
The tar condensed in electrical tar precipitator 9 is delivered to layering and precipitating in ammonia water tank together with ammonium hydroxide, isolates tar.
During gas purification, the raw coke oven gas that three-stage rotary kiln face dry distillation of coal device comes out enters hot precipitator 6
The semicoke fine powder carried in raw coke oven gas is removed, from 73g/Nm3Carrying amount be reduced to 25mg/Nm3, subsequently into Wen's tower 7
Interior preliminary cooling, temperature are down to 80~100 DEG C, and 50% tar cools down, and is delivered in ammonia water tank and is layered together with ammonium hydroxide
Precipitating；Coal gas and remaining uncooled tar enter in horizontal water-tube cooler 8, and coal gas is down to 35 DEG C from 92 DEG C, tar and vapor
Substantially it condenses out, is sent together with ammonium hydroxide to separating in ammonia water tank；Coal gas traps remaining burnt subsequently into electrical tar precipitator 9
Then oil is pressurizeed by blower 10, into subsequent processing workshop section or be directly entered gas chamber storage.
The embodiments of the utility model have been described in detail above with reference to the accompanying drawings, but the utility model is not limited to
Embodiment is stated, within the knowledge of a person skilled in the art, the utility model aims can also not departed from
Under the premise of make obtaining various change, also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of three-stage rotary kiln face dry distillation of coal device, which is characterized in that including rotary shelf drier, rotary gas retort and
Rotary cooler；
The discharge port of rotary shelf drier is connected with the feed inlet of rotary gas retort, the discharge port of rotary gas retort and revolution
The feed inlet of formula cooler is connected；
The smoke outlet of rotary gas retort is connected by flue gas pipeline with the drying gas import of rotary shelf drier；
Rotary gas retort further includes gas exit, and gas exit is connected with gas cleaning system.
2. three-stage rotary kiln according to claim 1 face dry distillation of coal device, which is characterized in that rotary shelf drier goes out
The feed inlet of material mouth and rotary gas retort, the discharge port of rotary gas retort and the feed inlet of rotary cooler pass through star
The connection of type flapper.
3. three-stage rotary kiln according to claim 1 face dry distillation of coal device, which is characterized in that rotary shelf drier into
Material end is provided with out coal bunker and screw(-type) feeder.
4. three-stage rotary kiln according to claim 1 face dry distillation of coal device, which is characterized in that gas retort includes three Duan Yi
The destructive distillation room of secondary connection.
5. three-stage rotary kiln according to claim 4 face dry distillation of coal device, which is characterized in that the outside of destructive distillation room is arranged
There is externally heated oven.
6. three-stage rotary kiln according to claim 1 face dry distillation of coal device, which is characterized in that rotary cooler goes out
Material end is provided with Star-like unloader, and Star-like unloader discharge gate connects scrapper conveyor, is equipped with spiral nozzle on scrapper conveyor.
7. three-stage rotary kiln according to claim 1 face dry distillation of coal device, which is characterized in that gas cleaning system includes
Hot precipitator, Wen Shita, horizontal water-tube cooler, electrical tar precipitator and the blower being sequentially communicated；
Wherein, the input end of hot precipitator is connected to gas exit, and the outlet end of blower is connected to coal gas storage device.
8. three-stage rotary kiln according to claim 1 face dry distillation of coal device, which is characterized in that Wen Shita, transverse tube are cooling
Tar, ammonium hydroxide outlet are additionally provided on device and electrical tar precipitator, tar ammonia outlet is connected to ammonia water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821730938.9U CN209065829U (en) | 2018-10-24 | 2018-10-24 | A kind of three-stage rotary kiln face dry distillation of coal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821730938.9U CN209065829U (en) | 2018-10-24 | 2018-10-24 | A kind of three-stage rotary kiln face dry distillation of coal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209065829U true CN209065829U (en) | 2019-07-05 |
Family
ID=67095919
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821730938.9U Expired - Fee Related CN209065829U (en) | 2018-10-24 | 2018-10-24 | A kind of three-stage rotary kiln face dry distillation of coal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209065829U (en) |
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2018
- 2018-10-24 CN CN201821730938.9U patent/CN209065829U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190705 Termination date: 20201024 |
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| CF01 | Termination of patent right due to non-payment of annual fee |