CN107216898A - A kind of oil shale swinging gas retort anoxybiotic sealing technology - Google Patents
A kind of oil shale swinging gas retort anoxybiotic sealing technology Download PDFInfo
- Publication number
- CN107216898A CN107216898A CN201710585561.6A CN201710585561A CN107216898A CN 107216898 A CN107216898 A CN 107216898A CN 201710585561 A CN201710585561 A CN 201710585561A CN 107216898 A CN107216898 A CN 107216898A
- Authority
- CN
- China
- Prior art keywords
- high temperature
- oil shale
- tailings
- circular pipe
- nitrogen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004058 oil shale Substances 0.000 title claims abstract description 80
- 238000007789 sealing Methods 0.000 title claims abstract description 15
- 238000005516 engineering process Methods 0.000 title claims abstract description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 110
- 239000007789 gas Substances 0.000 claims abstract description 56
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 49
- 239000000463 material Substances 0.000 claims abstract description 22
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000008676 import Effects 0.000 claims description 25
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims 1
- 238000002955 isolation Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000011261 inert gas Substances 0.000 abstract description 4
- 238000000197 pyrolysis Methods 0.000 description 5
- 238000004880 explosion Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/06—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of oil shale and/or or bituminous rocks
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B31/00—Charging devices
- C10B31/06—Charging devices for charging horizontally
- C10B31/08—Charging devices for charging horizontally coke ovens with horizontal chambers
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B43/00—Preventing or removing incrustations
- C10B43/14—Preventing incrustations
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
In a kind of oil shale swinging gas retort anoxybiotic sealing technology, oil shale swinging gas retort normal productive process, the negative pressure valve of nitrogen air accumulator is closed, and the negative pressure valve in thick tailings storehouse is closed；When the oil shale in surge bunker by blanking pipe can not full of high temperature circular pipe Shaftless screw conveyor high temperature circular pipe carry out blanking or without material when, enter negative pressure after air in high temperature circular pipe and switch to atmospheric pressure, meanwhile, the negative pressure valve opening of the nitrogen gas delivery-line of nitrogen air accumulator, the negative pressure valve of the blanking pipe in thick tailings storehouse are opened；Nitrogen and thick tailings enter high temperature circular pipe, the furnace chamber full of oil shale swinging gas retort of high temperature circular pipe Shaftless screw conveyor simultaneously；The present invention carries out sealing combination process measure to oil shale swinging gas retort by stock column, inert gas seal, lack the space for expecting to cause to high temperature circular pipe Shaftless screw conveyor to be supplemented and atmospheric isolation, it not only avoid because gas leakage produces quick-fried energy-conserving and environment-protective, it is ensured that safety in production.
Description
Technical field
The present invention relates to the sealing technology of oil shale swinging gas retort, especially a kind of oil shale swinging gas retort is exhausted
Oxygen sealing technology.
Background technology
At present, solid or the organic matter course of reaction of heat resolve under isolation air conditionses are referred to as destructive distillation, and oil shale is done
The product evaporated is high-temperature oil gas and tailings.The feeding equipment of oil shale swinging gas retort is typically all conveyed using normal spiral
Machine, is micro-vacuum state during due to being produced in oil shale swinging gas retort, because blanking is not smooth, weighing balance in fill process
The a variety of causes such as failure, oil shale feeding capacity is reduced or during fracture sometimes, and oil shale amount is few or during without material in conveying worm,
Cause air by conveying worm with being communicated in oil shale swinging gas retort, air can enter in gas retort and high-temperature oil gas
Contact, can be set off an explosion danger, and equipment can be caused to lose and personal injury when serious, influence safety in production；In view of the foregoing.
Now propose a kind of oil shale swinging gas retort anoxybiotic sealing technology.
The content of the invention
The invention aims to overcome existing solid or organic matter isolation air conditionses under heat resolve it is anti-
Process referred to as destructive distillation is answered, is micro-vacuum state during due to being produced in oil shale swinging gas retort, in fill process due under
The a variety of causes such as material is not smooth, weighing balance failure, oil shale feeding capacity is reduced or during fracture sometimes, oil shale in conveying worm
Amount less or without material when, cause air by conveying worm with being communicated in oil shale swinging gas retort, air can enter destructive distillation
Contacted in stove with high-temperature oil gas, can set off an explosion danger, equipment can be caused to lose and personal injury when serious, influence safety is raw
Production；By reasonably designing there is provided a kind of oil shale swinging gas retort anoxybiotic sealing technology, the present invention using high temperature circular pipe without
Screw conveyor shaft is sealed by stock column, inert material is sealed, inert gas seal is close to the progress of oil shale swinging gas retort
Combination process measure is sealed, oil shale feeding capacity is reduced or during fracture sometimes, and inert gas and tailings can timely enter high temperature
In pipe Shaftless screw conveyor, the space for expecting to cause is lacked to high temperature circular pipe Shaftless screw conveyor and supplemented, oily page is realized
Rock swinging gas retort and atmospheric isolation, it is ensured that the normal operation of anoxybiotic sealing in oil shale swinging gas retort, not only avoid
Because gas leakage produces explosion danger, and realize comprehensive utilization of waste materials, energy-conserving and environment-protective, it is ensured that safety in production.
The present invention to achieve these goals, is adopted the following technical scheme that：A kind of oil shale swinging gas retort anoxybiotic is close
Envelope technique, described oil shale swinging gas retort is by surge bunker, vibratory sieve, thick tailings storehouse, thin tailings storehouse, nitrogen gas storage
Tank, high temperature circular pipe Shaftless screw conveyor, oil shale swinging gas retort, thickness tailings sub-material storehouse are constituted；Oil shale swinging
Set in destructive distillation furnace cavity and the conveying of high temperature circular pipe shaftless screw is set in the middle part of lower negative pressure, oil shale swinging gas retort feed end
Machine, high temperature circular pipe Shaftless screw conveyor end sets motor, the pipeline of the high temperature circular pipe of high temperature circular pipe Shaftless screw conveyor
Three imports are set gradually respectively above wall, and three imports are respectively：Nitrogen inlet, oil shale import, thick tailings import；
Nitrogen air accumulator is set above nitrogen inlet, sets nitrogen to convey between the lower mouth and nitrogen inlet of nitrogen air accumulator
Negative pressure valve is set between pipeline, nitrogen gas delivery-line；
Holding oil shale in surge bunker, surge bunker, lower mouth and the oil shale import of surge bunker are set above oil shale import
Between blanking pipe is set；
Thickness tailings sub-material storehouse is set above thick tailings import, thickness tailings sub-material storehouse bottom set respectively thick tailings storehouse,
Thin tailings storehouse；Vibratory sieve is set above thickness tailings sub-material storehouse, and vibratory sieve side sets thick tailings outlet, thick tailings outlet correspondence
The Hatch Opening in thick tailings storehouse sets blanking pipeline, and vibratory sieve bottom sets thin tailings outlet, the thin tailings outlet thin tailings storehouse of correspondence
Hatch Opening sets blanking pipeline；Set and set between blanking pipe, blanking pipe between the feed opening in thick tailings storehouse and thick tailings import
Put negative pressure valve；Tailings conveyance conduit is carefully set between tailings storehouse and tailings storehouse；
In oil shale swinging gas retort normal productive process, the oil shale in surge bunker is full of high temperature by blanking pipe
The high temperature circular pipe of pipe Shaftless screw conveyor carries out blanking, and nitrogen gas delivery-line is set between nitrogen air accumulator and nitrogen inlet
Negative pressure valve close, between the feed opening in thick tailings storehouse and thick tailings import set blanking pipe negative pressure valve close.
When the high temperature that the oil shale in surge bunker can not be full of high temperature circular pipe Shaftless screw conveyor by blanking pipe is justified
Pipe carries out blanking or during without material, and the lower negative pressure in oil shale swinging destructive distillation furnace cavity, will be big by the blanking pipe of surge bunker
Aspiration enters in the high temperature circular pipe of high temperature circular pipe Shaftless screw conveyor, and negative pressure after air is entered in high temperature circular pipe and switchs to atmospheric pressure,
Meanwhile, the negative pressure valve of the nitrogen gas delivery-line of nitrogen air accumulator is opened, and nitrogen enters high temperature circular pipe by nitrogen gas delivery-line
In the high temperature circular pipe of Shaftless screw conveyor.
Enter negative pressure after air in high temperature circular pipe and switch to atmospheric pressure, meanwhile, the negative pressure valve of the blanking pipe in thick tailings storehouse
Open, thick tailings enters in the high temperature circular pipe of high temperature circular pipe Shaftless screw conveyor；Nitrogen and thick tailings enter high temperature circle simultaneously
The high temperature circular pipe of pipe Shaftless screw conveyor, nitrogen and thick tailings are full of the high temperature circular pipe of high temperature circular pipe Shaftless screw conveyor,
Extrude the oxygen of the air and air in high temperature circular pipe.
Nitrogen and thick tailings substitute oil shale and entered in oil shale swinging gas retort, and nitrogen and thick tailings are full of oil shale
After the furnace chamber of swinging gas retort, the furnace chamber of oil shale swinging gas retort is out of service, and surge bunker and blanking pipe are carried out
Maintenance.
Beneficial effect：The present invention is sealed using high temperature circular pipe Shaftless screw conveyor by stock column, inert material is sealed, lazy
Property air seal sealing combination process measure is carried out to oil shale swinging gas retort, oil shale feeding capacity reduces especially sometimes
When being fracture, inert gas and tailings can be timely entered in high temperature circular pipe Shaftless screw conveyor, to the shaftless spiral shell of high temperature circular pipe
Rotation conveyer lacks the space for expecting to cause and supplemented, and realizes oil shale swinging gas retort and atmospheric isolation, it is ensured that oil shale is returned
The normal operation of anoxybiotic sealing in rotatable gas retort, not only avoid because gas leakage produces explosion danger, and realize waste synthesis
Utilize, energy-conserving and environment-protective, it is ensured that safety in production.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is general assembly structural representation；
In Fig. 1：Surge bunker 1, vibratory sieve 2, thick tailings storehouse 3, thin tailings storehouse 4, nitrogen air accumulator 5, the shaftless spiral shell of high temperature circular pipe
Revolve conveyer 6, oil shale swinging gas retort 7, thickness tailings sub-material storehouse 8.
Embodiment
The present invention is described in further detail with embodiment with reference to embodiment：
Embodiment 1
Set and set in the middle part of lower negative pressure, the feed end of oil shale swinging gas retort 7 in the cavity of oil shale swinging gas retort 7
High temperature circular pipe Shaftless screw conveyor 6, the end of high temperature circular pipe Shaftless screw conveyor 6 sets motor, high temperature circular pipe shaftless screw
Three imports are set gradually respectively above the duct wall of the high temperature circular pipe of conveyer 6, and three imports are respectively：Nitrogen inlet, oil
Shale import, thick tailings import；
Nitrogen air accumulator 5 is set above nitrogen inlet, sets nitrogen defeated between the lower mouth and nitrogen inlet of nitrogen air accumulator 5
Send and negative pressure valve is set between pipeline, nitrogen gas delivery-line；
Holding oil shale in surge bunker 1, surge bunker 1 is set above oil shale import, and lower mouth and the oil shale of surge bunker 1 enter
Blanking pipe is set between mouthful；
Thickness tailings sub-material storehouse 8 is set above thick tailings import, the bottom of thickness tailings sub-material storehouse 8 sets thick tailings storehouse respectively
3rd, thin tailings storehouse 4；The top of thickness tailings sub-material storehouse 8 sets vibratory sieve 2, and the side of vibratory sieve 2 sets thick tailings outlet, and thick tailings goes out
The Hatch Opening in the thick tailings storehouse 3 of mouth correspondence sets blanking pipeline, and the bottom of vibratory sieve 2 sets thin tailings outlet, and it is thin that thin tailings exports correspondence
The Hatch Opening in tailings storehouse 4 sets blanking pipeline；Blanking pipe, blanking are set between the feed opening in thick tailings storehouse 3 and thick tailings import
Negative pressure valve is set between pipeline；Tailings conveyance conduit is carefully set between tailings storehouse 4 and tailings storehouse；
In oil shale swinging gas retort normal productive process, the oil shale in surge bunker 1 is by blanking pipe full of height
The high temperature circular pipe of circular tube temperature Shaftless screw conveyor 6 carries out blanking, sets nitrogen to convey between nitrogen air accumulator 5 and nitrogen inlet
The negative pressure valve of pipeline is closed, and sets the negative pressure valve of blanking pipe to close between the feed opening in thick tailings storehouse 3 and thick tailings import
Close.
Embodiment 2
When the oil shale in surge bunker 1 can not be full of the high temperature of high temperature circular pipe Shaftless screw conveyor 6 by blanking pipe
Pipe carries out blanking or during without material, the lower negative pressure in the cavity of oil shale swinging gas retort 7 by the blanking pipe of surge bunker 1,
Enter negative pressure after air in the high temperature circular pipe that air is sucked to high temperature circular pipe Shaftless screw conveyor 6, in high temperature circular pipe to switch to greatly
Air pressure, meanwhile, the negative pressure valve of the nitrogen gas delivery-line of nitrogen air accumulator 5 is opened, and nitrogen enters high by nitrogen gas delivery-line
In the high temperature circular pipe of circular tube temperature Shaftless screw conveyor 6.
Embodiment 3
Enter negative pressure after air in high temperature circular pipe and switch to atmospheric pressure, meanwhile, the negative pressure valve of the blanking pipe in thick tailings storehouse 3
Open, thick tailings enters in the high temperature circular pipe of high temperature circular pipe Shaftless screw conveyor 6；Nitrogen and thick tailings enter high temperature circle simultaneously
The high temperature of the high temperature circular pipe of pipe Shaftless screw conveyor 6, nitrogen and thick tailings full of high temperature circular pipe Shaftless screw conveyor 6 is justified
The oxygen of air and air in pipe, extrusion high temperature circular pipe.
Embodiment 4
Nitrogen and thick tailings substitute oil shale and entered in oil shale swinging gas retort, and nitrogen and thick tailings are full of oil shale
After the furnace chamber of swinging gas retort, the furnace chamber of oil shale swinging gas retort is out of service, and surge bunker 1 and blanking pipe are carried out
Maintenance.
Claims (4)
1. a kind of oil shale swinging gas retort anoxybiotic sealing technology, described oil shale swinging gas retort is by surge bunker
(1), vibratory sieve (2), thick tailings storehouse (3), thin tailings storehouse (4), nitrogen air accumulator (5), high temperature circular pipe Shaftless screw conveyor
(6), oil shale swinging gas retort (7), thickness tailings sub-material storehouse (8) are constituted；It is characterized in that：Oil shale swinging gas retort
(7) set in cavity and high temperature circular pipe Shaftless screw conveyor is set in the middle part of lower negative pressure, oil shale swinging gas retort (7) feed end
(6), high temperature circular pipe Shaftless screw conveyor (6) end sets motor, the high temperature circular pipe of high temperature circular pipe Shaftless screw conveyor (6)
Duct wall above set gradually three imports respectively, three imports are respectively：Nitrogen inlet, oil shale import, thick tailings enter
Mouthful；
Nitrogen air accumulator (5) is set above nitrogen inlet, sets nitrogen defeated between the lower mouth and nitrogen inlet of nitrogen air accumulator (5)
Send and negative pressure valve is set between pipeline, nitrogen gas delivery-line；
Holding oil shale, the lower mouth and oil shale of surge bunker (1) in surge bunker (1), surge bunker (1) are set above oil shale import
Blanking pipe is set between import；
Thickness tailings sub-material storehouse (8) are set above thick tailings import, thickness tailings sub-material storehouse (8) bottom sets thick tailings storehouse respectively
(3), thin tailings storehouse (4)；Vibratory sieve (2) is set above thickness tailings sub-material storehouse (8), and vibratory sieve (2) side sets thick tailings to go out
Mouthful, the Hatch Opening of the thick tailings storehouse (3) of thick tailings outlet correspondence sets blanking pipeline, and vibratory sieve (2) bottom sets thin tailings outlet, carefully
The Hatch Opening of the thin tailings storehouse (4) of tailings outlet correspondence sets blanking pipeline；Between the feed opening in thick tailings storehouse (3) and thick tailings import
Set and negative pressure valve is set between blanking pipe, blanking pipe；Tailings delivery pipe is carefully set between tailings storehouse (4) and tailings storehouse
Road；
In oil shale swinging gas retort normal productive process, the oil shale in surge bunker (1) is full of high temperature by blanking pipe
The high temperature circular pipe of pipe Shaftless screw conveyor (6) carries out blanking, and nitrogen air accumulator (5) sets nitrogen defeated between nitrogen inlet
Send the negative pressure valve of pipeline to close, the negative pressure valve of blanking pipe is set between the feed opening of thick tailings storehouse (3) and thick tailings import
Door is closed.
2. a kind of oil shale swinging gas retort anoxybiotic sealing technology according to claim 1, it is characterised in that：Work as buffering
Oil shale in storehouse (1) can not be full of under the progress of the high temperature circular pipe of high temperature circular pipe Shaftless screw conveyor (6) by blanking pipe
Material or during without material, lower negative pressure in oil shale swinging gas retort (7) cavity is by the blanking pipe of surge bunker (1), by air
Enter negative pressure after air in the high temperature circular pipe for sucking high temperature circular pipe Shaftless screw conveyor (6), in high temperature circular pipe and switch to atmospheric pressure,
Meanwhile, the negative pressure valve of the nitrogen gas delivery-line of nitrogen air accumulator (5) is opened, and nitrogen is justified by nitrogen gas delivery-line into high temperature
In the high temperature circular pipe of pipe Shaftless screw conveyor (6).
3. a kind of oil shale swinging gas retort anoxybiotic sealing technology according to claim 1, it is characterised in that：High temperature is justified
Enter negative pressure after air in pipe and switch to atmospheric pressure, meanwhile, the negative pressure valve of the blanking pipe of thick tailings storehouse (3) is opened, thick tailings
Into in the high temperature circular pipe of high temperature circular pipe Shaftless screw conveyor (6)；Nitrogen and thick tailings enter the shaftless spiral shell of high temperature circular pipe simultaneously
The high temperature circular pipe of conveyer (6) is revolved, nitrogen and thick tailings are full of the high temperature circular pipe of high temperature circular pipe Shaftless screw conveyor (6), squeezed
The air and the oxygen of air gone out in high temperature circular pipe.
4. a kind of oil shale swinging gas retort anoxybiotic sealing technology according to claim 1, it is characterised in that：Nitrogen and
Thick tailings substitutes oil shale and entered in oil shale swinging gas retort, and nitrogen and thick tailings are full of oil shale swinging gas retort
After furnace chamber, the furnace chamber of oil shale swinging gas retort is out of service, and surge bunker (1) and blanking pipe are overhauled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710585561.6A CN107216898A (en) | 2017-07-18 | 2017-07-18 | A kind of oil shale swinging gas retort anoxybiotic sealing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710585561.6A CN107216898A (en) | 2017-07-18 | 2017-07-18 | A kind of oil shale swinging gas retort anoxybiotic sealing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107216898A true CN107216898A (en) | 2017-09-29 |
Family
ID=59952665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710585561.6A Pending CN107216898A (en) | 2017-07-18 | 2017-07-18 | A kind of oil shale swinging gas retort anoxybiotic sealing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107216898A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4058205A (en) * | 1974-01-18 | 1977-11-15 | Reed Jr Thomas G | Apparatus for treating oil shale |
| CN102433613A (en) * | 2011-09-15 | 2012-05-02 | 西安康本材料有限公司 | Gas sealing device of carbonization furnace |
| CN103449125A (en) * | 2012-05-30 | 2013-12-18 | 中国科学院工程热物理研究所 | Gas channeling prevention system of screw feeder |
| CN203345648U (en) * | 2013-07-19 | 2013-12-18 | 山东祺龙电子有限公司 | Air-sealing and weighing integral spiral coal feeder |
| CN104498068A (en) * | 2014-12-30 | 2015-04-08 | 汪清县龙腾能源开发有限公司 | Dry carbocoal discharging method of oil shale retort with air seal device |
| CN205164676U (en) * | 2015-09-01 | 2016-04-20 | 陕西煤业化工集团神木天元化工有限公司 | Material sealing device |
| CN106085483A (en) * | 2016-08-08 | 2016-11-09 | 东北电力大学 | There is the Large Copacity oil shale retorting circular furnace of star-like arcuately distribution device |
| CN106180151A (en) * | 2016-08-30 | 2016-12-07 | 南通天蓝环保能源成套设备有限公司 | Solid danger waste material envelope formula two-stage screw continuous feed integrated system |
| CN106834584A (en) * | 2017-03-23 | 2017-06-13 | 江苏省冶金设计院有限公司 | A kind of method of gas-based shaft kiln and production DRI |
-
2017
- 2017-07-18 CN CN201710585561.6A patent/CN107216898A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4058205A (en) * | 1974-01-18 | 1977-11-15 | Reed Jr Thomas G | Apparatus for treating oil shale |
| CN102433613A (en) * | 2011-09-15 | 2012-05-02 | 西安康本材料有限公司 | Gas sealing device of carbonization furnace |
| CN103449125A (en) * | 2012-05-30 | 2013-12-18 | 中国科学院工程热物理研究所 | Gas channeling prevention system of screw feeder |
| CN203345648U (en) * | 2013-07-19 | 2013-12-18 | 山东祺龙电子有限公司 | Air-sealing and weighing integral spiral coal feeder |
| CN104498068A (en) * | 2014-12-30 | 2015-04-08 | 汪清县龙腾能源开发有限公司 | Dry carbocoal discharging method of oil shale retort with air seal device |
| CN205164676U (en) * | 2015-09-01 | 2016-04-20 | 陕西煤业化工集团神木天元化工有限公司 | Material sealing device |
| CN106085483A (en) * | 2016-08-08 | 2016-11-09 | 东北电力大学 | There is the Large Copacity oil shale retorting circular furnace of star-like arcuately distribution device |
| CN106180151A (en) * | 2016-08-30 | 2016-12-07 | 南通天蓝环保能源成套设备有限公司 | Solid danger waste material envelope formula two-stage screw continuous feed integrated system |
| CN106834584A (en) * | 2017-03-23 | 2017-06-13 | 江苏省冶金设计院有限公司 | A kind of method of gas-based shaft kiln and production DRI |
Non-Patent Citations (1)
| Title |
|---|
| 姜浩等: "基于HAZOP的油页岩有氧干馏工艺装置安全分析", 《广东化工》 * |
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Application publication date: 20170929 |