CN206069777U - A kind of low order low-temperature pyrolysis of coal horizontal revolving kiln - Google Patents
A kind of low order low-temperature pyrolysis of coal horizontal revolving kiln Download PDFInfo
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- CN206069777U CN206069777U CN201620865547.2U CN201620865547U CN206069777U CN 206069777 U CN206069777 U CN 206069777U CN 201620865547 U CN201620865547 U CN 201620865547U CN 206069777 U CN206069777 U CN 206069777U
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- flue gas
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Abstract
The purpose of this utility model is to provide a kind of low order low-temperature pyrolysis of coal horizontal revolving kiln, including complex and spiral feed arrangement, heat exchanger tube, cylinder, discharge end flue gas cover, feed end flue gas cover and discharge cover, and the technical scheme adopted by its solve problem is：Heat exchanger tube is obliquely installed in inner barrel, and uniform by axis of symmetry of the axle of cylinder, and the most heat exchanger tube of inner side forms conical material passage of the feed end aperture less than discharge end bore.There is following superiority due to adopting above-mentioned technical proposal, this utility model：Powder is processed using rotary kiln, raw material availability is high, and treating capacity is big, safe and reliable.At discharge cover, cylinder tactical diameter is little, is easy to make the little sealing device of reliability height, leakage rate.During maintenance, cover body top is removed, air chamber and tube end can carry out large area repair.Complex and spiral feed arrangement, both can guarantee that the continuous operation of material, have certain material envelope effect, can convey gas using in hollow axial cylinder or outside cylinder again.
Description
Technical field
This utility model is related to a kind of low order pyrolysis of coal horizontal revolving kiln, belongs to low order fine coal low temperature pyrogenation coal gas, Jiao
Oil, the coal chemical technology of semicoke.
Background technology
It is the preferable mode of low-order coal clean utilization by low temperature pyrogenation low-order coal coal gas, tar, semicoke, solves low
Rank moisture content of coal content is high, the shortcoming that easy efflorescence etc. directly can not be utilized.Existing low-order coal pyrolysis plant mainly has vertical heater, stream
Change bed pyrolysis installation, gas direct heat transfer rotary kiln etc..
Vertical stove pyrolytic process is ripe, and equipment cost is low, but requires material for block, and the powder in raw material can not be utilized, and
Treating capacity is less；Fluidized bed pyrolysis are swift in response, but raw meal particle size is had high demands；The process of gas heat carrier direct heat transfer rotary kiln
Amount is big, but process parameter control is more difficult, and blast, poor stability easily occur.
In a word, need one kind can safe heating, the low order pyrolysis of coal for being provided simultaneously with friction feeding and homogeneous heating is horizontal
Rotary kiln.
The content of the invention
To solve the above problems, the purpose of this utility model is to provide a kind for the treatment of capacity greatly, and reliability is high, safe and continuous fortune
Turn, be pyrolyzed the low order low-temperature pyrolysis of coal horizontal revolving kiln of efficiency high.
This utility model is adopted the following technical scheme that：A kind of low order low-temperature pyrolysis of coal horizontal revolving kiln, including combined type spiral shell
Rotation feed arrangement, heat exchanger tube, cylinder, discharge end flue gas cover, feed end flue gas cover and discharge cover, the skill adopted by its solve problem
Art scheme is：Heat exchanger tube is obliquely installed in inner barrel, and uniform by axis of symmetry of the axle of cylinder, and the heat exchanger tube of most inner side is formed
Conical material passage of the feed end aperture less than discharge end bore；Wherein, from feed end to discharge end, arbitrary neighborhood two exchanges heat
Between pipe, distance is equal；
Wherein, complex and spiral feed arrangement is arranged on cylinder one end and is the charging knot of the sleeve type helical with hollow axle
The inner chamber UNICOM of structure, the hollow axle and cylinder；
Wherein, feed end flue gas cover reconnects discharge end flue gas cover after connecting heat exchanger tube, forms heating gas channel；
Described discharge end flue gas cover is radial direction helical structure.
The beneficial effects of the utility model are：There is following superiority due to adopting above-mentioned technical proposal, this utility model：
Powder is processed using rotary kiln, raw material availability is high, and treating capacity is big, safe and reliable.At discharge cover, cylinder tactical diameter is little, is easy to
Make the little sealing device of reliability height, leakage rate.This utility model simple structure, two ends tube sheet and air chamber are easy to manufacture, are pacified
Dress and later period maintenance.During maintenance, cover body top is removed, air chamber and tube end can carry out large area repair.Combined type
Screw feeding device, both can guarantee that the continuous operation of material, have certain material envelope effect, again can be using in hollow axial cylinder
Or outside cylinder, convey gas.Spirally enter flue gas cover, can circumferentially produce uniform pressure, make high-temperature flue gas be evenly distributed to revolution
In each heat exchanger tube of kiln.
Description of the drawings
Fig. 1 is this utility model structural representation.
Fig. 2 is complex and spiral feed arrangement schematic diagram.
Fig. 3 is discharge end flue gas cover schematic diagram.
Fig. 4 is discharge cover schematic diagram.
Fig. 5 is the sectional view of Fig. 1.
Fig. 6 is cooling duct schematic diagram.
Fig. 7 is the sectional view of Fig. 6.
Wherein：1. complex and spiral feed arrangement 2. feeds 3. feed end flue gas cover of end sealing device, 4. cylinder 5.
9. discharge end flue gas cover of the discharging end sealing device of 6. actuating device of bearing apparatus, 7. cooling duct 8., 10. discharge cover 11. is entered
13. discharge end tube sheet of material 12. feed end tube sheet of sleeve, 14. 15. heat exchanger tube of discharging sleeve, 16. material channel 101. drives
106. helical blade of device 102. gear drive, 103. bearing support, 104. frame, 105. discharge barrel, 107. hollow axle
301. receive 302. gas exit of grey mouth, 303. semicoke exports 304. low-temperature flue gas outlet, 701. holes.
Specific embodiment
This utility model patent is further described with implementation below in conjunction with the accompanying drawings：
As shown in Fig. 1 ~ 7, a kind of low order low-temperature pyrolysis of coal horizontal revolving kiln, including complex and spiral feed arrangement 1, heat exchange
Pipe 15, cylinder 4,9 feed end flue gas cover 3 of discharge end flue gas cover and discharge cover 10, its structure is：Heat exchanger tube 15 is obliquely installed in cylinder
Inside body 4 and uniform by axis of symmetry of the axle of cylinder 4, the most heat exchanger tube 15 of inner side forms feed end aperture less than discharging port
The conical material passage 16 in footpath；Wherein, from feed end to discharge end, between two heat exchanger tube 15 of arbitrary neighborhood, distance is equal；
Wherein, complex and spiral feed arrangement 1 is arranged on 4 one end of cylinder and is the sleeve type helical with hollow axle 107
The inner chamber UNICOM of feeding structure, the hollow axle 107 and cylinder 4；
Wherein, feed end flue gas cover 3 reconnect after heat exchanger tube 15 discharge end flue gas cover 9 by connecting, and forms heating air-flow
Passage；Described discharge end flue gas cover 9 is radial direction helical structure.
The mounting structure of described heat exchanger tube 15：Cylinder 4 is respectively arranged at two ends with feed sleeve 11, feed end tube sheet 12, goes out
Some circular holes are corresponding to install heat exchanger tube 15 by setting for material sleeve 13, discharge end tube sheet 14, feed end tube sheet 12 and discharge end tube sheet 14；
Installing hole on feed end tube sheet 12 than corresponding installing hole on discharge end tube sheet 14 closer to cylinder 4 center.
Wherein, heat exchanger tube 15 is 3 layers；15 angle of inclination of heat exchanger tube is 8 degree.
Described feed end is 1 place end of complex and spiral feed arrangement；Described discharge end is 10 place end of discharge cover.
Described 4 inwall of cylinder is provided with the heat-insulation layer of insulation material composition, reduces internal temperature and is lost to ring by barrel
In border.
Described 3 one end of feed end flue gas cover is tightly connected complex and spiral feed arrangement 1, and the other end is tightly connected cylinder
4；The other end of cylinder 4 is tightly connected discharge end flue gas cover 9, and the other end of discharge end flue gas cover 9 is tightly connected discharge cover 10；Go out
10 upper ends of material cover are provided with gas exit 302, and lower end is provided with semicoke outlet 303；3 upper end of feed end flue gas cover arranges low temperature cigarette
Gas outlet 304, lower end is arranged receives grey mouth 301.
Complex and spiral feed arrangement 1 is the sleeve type helical feed arrangement with hollow axle 107, the hollow axle 107 with
The inner chamber UNICOM of cylinder 4；Wherein, discharge end flue gas cover 9 is radial direction helical structure.
Complex and spiral feed arrangement 1 is arranged on feed end, 1 introducing cylinder of material Jing feed end complex and spirals feed arrangement
In the feed sleeve 11 of body 4, in 106 push in cylinder 4 of helical blade in Jing feed sleeves 11, wherein, complex and spiral charging
Device 1 is telescoping structure, installs helical blade 106, for conveying material between hollow axle 107 and feed sleeve 11；It is compound
In 107 one end UNICOM cylinder 4 of hollow axle of formula screw feeding device 1, the rotated joint connecting pipe of the other end；The hollow axle
107 can need the moisture for dry materials in cylinder 4 to extract the outer intractability to reduce carbonization gas of cylinder 4 out according to technique,
Purification coal gas outside cylinder 4 can also be passed through in cylinder 4 to adjust the yield that dry distilling atmosphere improves coal gas and tar.
In described complex and spiral feed arrangement 1, driving means 101 are arranged in frame 104, and hollow axle 107 is by propping up
Helical blade 106 inside the support connection discharge barrel 105 of bearing 103；Driving means 101 drive hollow axle by gear drive 102
107。
Feed end flue gas cover 3 is arranged on 4 feed end of rotating cylinder, is set in cylinder 4, feed sleeve 11 with two ends
On, flange connection flue is provided with the top of discharge end flue gas cover 9, for low-temperature flue gas are derived.
Charging end sealing device 2 is separately positioned between complex and spiral feed arrangement 1 and feed sleeve 11, feed end cigarette
Gas hood 3 and 4 junction of cylinder, to avoid gas leakage in cylinder 4.
9 both sides of discharge end flue gas cover are close to spiral the cooling duct 7 for being provided with that cross section is rectangle, and cooling duct 7
If unilateral or bilateral is provided with dry hole 701, cool down for the cylinder to flue gas cover both sides and discharge cover side, reduce discharging at this
The temperature of end sealing device 8, improves the reliability and service life of sealing device.
Discharging end sealing device 8 is arranged on 10 side of 9 both sides of discharge end flue gas cover and discharge cover, to sealed discharging end cigarette
The raw coke oven gas that high-temperature flue gas and dry distilling in gas hood 9 go out.
Discharge end flue gas cover 9 is arranged on the Step Shaft that cylinder 4 is formed with discharging sleeve 14, is formed with discharge end tube sheet 13
Air chamber, lower flange are connected with high-temperature flue gas pipeline.Discharge end flue gas cover 9 is radial direction helical structure, is easy to push away high-temperature flue gas
Entering carries out heat exchange in each heat exchanger tube 15.High-temperature flue gas Jing pipelines enter air inlet chamber, and the compression of Jing helicoids is pushed in heat exchanger tube 15,
Helicoid is used to keep the gas pressure in air chamber uniform.
Feed end flue gas cover 3 is used to collect the low-temperature flue gas in heat exchanger tube 15 and be discharged to 4 Outer Tube of cylinder.Contain in flue gas
There is a small amount of dust to discharge from the receipts ash mouth 301 of flue gas cover bottom.
Discharge end flue gas cover 9 is combined into one for upper and lower two halves, and top is removed during later period maintenance, is easy to maintenance.
Discharge cover 10 is arranged in 4 one end of cylinder, for by dry distilling product coal gas, tar steam from top gas exit 302
Collect, semicoke is discharged from semicoke outlet 303.Discharge cover 10 is combined into one for upper and lower two halves, removes top, just during later period maintenance
In maintenance.
Cylinder 4 is held up by supporting arrangement 5, and supporting arrangement 5 can arrange 2 ~ 4 sets according to the length of cylinder 4, on cylinder 4 is cylindrical
Canine tooth coil apparatus are provided with, and described canine tooth coil apparatus connect driving means 6 by little gear, cylinder 4 is driven along center
Axle is rotated.Supporting arrangement 5 mainly includes the components such as support roller, supporting-roller shaft, bearing of conveyor idler group, base, to supporting cylinder 4.Wherein
Hydraulic catch wheel device is separately set in one grade of supporting, barrel device is pressed certain upper and lower vibration of speed, wheel belt is reduced in support roller
Concentration abrasion of the upper, bull gear in little gear.Above structure is the drive system of rotary kiln commonly used in the prior art.
Actuating device 6 mainly includes bull gear, and pinion device, main reducing gear, mair motor, accessory drive decelerator are auxiliary
Driving motor, brake, clutch, shaft coupling etc. are helped, is that the drive system on rotary kiln is commonly used in prior art.
This utility model carries out low temperature pyrogenation to rotary kiln using shell and tube indirect heat exchange；Using fine coal（Granularity ＜
30mm）, can be all of raw material；Using rotary kiln type equipment, treating capacity is big, and throughput per hour is up to 200t materials；Adopt
With shell and tube indirect heat exchange mode, heat smoke is interior by heating to heat exchanger tube 15 from heat exchanger tube 15, and then adds to material in cylinder
Heat, in cylinder, 4 heat exchanger tube, 15 distribution density is big, and the thermal efficiency is high；Due to high-temperature flue gas it is inflammable with coal dust, coal gas, tar steam etc.
Explosive material isolation, whole machine safety are preferable.
Claims (7)
1. a kind of low order low-temperature pyrolysis of coal horizontal revolving kiln, including complex and spiral feed arrangement（1）, heat exchanger tube（15）, cylinder
（4）, discharge end flue gas cover（9）Feed end flue gas cover（3）And discharge cover（10）, it is characterized in that：Heat exchanger tube（15）Be obliquely installed in
Cylinder（4）Inside, and with cylinder（4）Axle be that axis of symmetry is uniform, the most heat exchanger tube of inner side（15）Form feed end aperture to be less than
The conical material passage of discharge end bore（16）；Wherein, from feed end to discharge end, two heat exchanger tube of arbitrary neighborhood（15）Between
Apart from equal；
Wherein, complex and spiral feed arrangement（1）It is arranged on cylinder（4）One end and be with hollow axle（107）Telescopic spiral shell
Rotation feeding structure, the hollow axle（107）With cylinder（4）Inner chamber UNICOM；
Wherein, feed end flue gas cover（3）By connecting heat exchanger tube（15）Discharge end flue gas cover is reconnected afterwards（9）, form heating gas
Circulation road；Described discharge end flue gas cover（9）For radial direction helical structure.
2. low order low-temperature pyrolysis of coal horizontal revolving kiln according to claim 1, is characterized in that：Heat exchanger tube（15）Angle of inclination
For 2 ~ 15 degree, it is 3 ~ 7 layers.
3. low order low-temperature pyrolysis of coal horizontal revolving kiln according to claim 1, is characterized in that：Described feed end flue gas cover
（3）One end is tightly connected complex and spiral feed arrangement（1）, the other end is tightly connected cylinder（4）；Cylinder（4）The other end it is close
Envelope connection discharge end flue gas cover（9）, discharge end flue gas cover（9）The other end be tightly connected discharge cover（10）；Discharge cover（10）On
End is provided with gas exit（302）, lower end is provided with semicoke outlet（303）；Feed end flue gas cover（3）Upper end arranges low-temperature flue gas
Outlet（304）, lower end is arranged receives grey mouth（301）.
4. low order low-temperature pyrolysis of coal horizontal revolving kiln according to claim 1, is characterized in that：Described complex and spiral enters
Material device（1）Middle driving means（101）It is arranged on frame（104）On, hollow axle（107）By spring bearing（103）Connect
Barrel（105）Internal helical blade（106）；Driving means（101）By gear drive（102）Connect and drive hollow axle
（107）.
5. low order low-temperature pyrolysis of coal horizontal revolving kiln according to claim 1, is characterized in that：Cylinder（4）Inwall is provided with
Heat-insulation layer.
6. low order low-temperature pyrolysis of coal horizontal revolving kiln according to claim 1, is characterized in that：Discharge end flue gas cover（9）Two
It is close to the cooling duct for being provided with that cross section is rectangle that spirals in side（7）, and cooling duct（7）Unilateral or bilateral be provided with it is some
Hole（701）.
7. low order low-temperature pyrolysis of coal horizontal revolving kiln according to claim 1, is characterized in that：Described discharge end flue gas cover
（9）Structure be upper and lower two parts constitute；Discharge cover（10）Structure be upper and lower two parts constitute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620865547.2U CN206069777U (en) | 2016-08-11 | 2016-08-11 | A kind of low order low-temperature pyrolysis of coal horizontal revolving kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620865547.2U CN206069777U (en) | 2016-08-11 | 2016-08-11 | A kind of low order low-temperature pyrolysis of coal horizontal revolving kiln |
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| Publication Number | Publication Date |
|---|---|
| CN206069777U true CN206069777U (en) | 2017-04-05 |
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ID=58425767
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620865547.2U Active CN206069777U (en) | 2016-08-11 | 2016-08-11 | A kind of low order low-temperature pyrolysis of coal horizontal revolving kiln |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107099315A (en) * | 2017-05-27 | 2017-08-29 | 中信重工机械股份有限公司 | The separation method of water vapour and raw coke oven gas in low-order coal pyrolytic process |
| CN108977209A (en) * | 2017-05-31 | 2018-12-11 | 日立造船株式会社 | Carbonizing plant |
| CN110440582A (en) * | 2019-08-19 | 2019-11-12 | 二重（德阳）重型装备有限公司 | Multitube double-layer furnace body rotary reaction furnace |
| CN110631357A (en) * | 2019-10-10 | 2019-12-31 | 山西智容新能源科技有限公司 | High-efficiency external heating type rotary kiln |
| CN112555841A (en) * | 2020-12-10 | 2021-03-26 | 江苏海建股份有限公司 | Industrial salt pyrolysis carbonization rotary kiln system |
| WO2021212694A1 (en) * | 2020-04-23 | 2021-10-28 | 河南龙成煤高效技术应用有限公司 | Rotary kiln |
| CN114440623A (en) * | 2022-01-10 | 2022-05-06 | 江苏鹏飞集团股份有限公司 | Sludge drying rotary kiln |
-
2016
- 2016-08-11 CN CN201620865547.2U patent/CN206069777U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107099315A (en) * | 2017-05-27 | 2017-08-29 | 中信重工机械股份有限公司 | The separation method of water vapour and raw coke oven gas in low-order coal pyrolytic process |
| CN108977209A (en) * | 2017-05-31 | 2018-12-11 | 日立造船株式会社 | Carbonizing plant |
| CN108977209B (en) * | 2017-05-31 | 2021-11-09 | 日立造船株式会社 | Carbonization device |
| CN110440582A (en) * | 2019-08-19 | 2019-11-12 | 二重（德阳）重型装备有限公司 | Multitube double-layer furnace body rotary reaction furnace |
| CN110631357A (en) * | 2019-10-10 | 2019-12-31 | 山西智容新能源科技有限公司 | High-efficiency external heating type rotary kiln |
| CN110631357B (en) * | 2019-10-10 | 2023-12-26 | 白太宽 | High-efficiency external heating rotary kiln |
| WO2021212694A1 (en) * | 2020-04-23 | 2021-10-28 | 河南龙成煤高效技术应用有限公司 | Rotary kiln |
| CN112555841A (en) * | 2020-12-10 | 2021-03-26 | 江苏海建股份有限公司 | Industrial salt pyrolysis carbonization rotary kiln system |
| CN114440623A (en) * | 2022-01-10 | 2022-05-06 | 江苏鹏飞集团股份有限公司 | Sludge drying rotary kiln |
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