CN112225420A - Oil sludge pyrolysis carbonization furnace - Google Patents
Oil sludge pyrolysis carbonization furnace Download PDFInfo
- Publication number
- CN112225420A CN112225420A CN202011041775.5A CN202011041775A CN112225420A CN 112225420 A CN112225420 A CN 112225420A CN 202011041775 A CN202011041775 A CN 202011041775A CN 112225420 A CN112225420 A CN 112225420A
- Authority
- CN
- China
- Prior art keywords
- kiln
- oil sludge
- rotary kiln
- carbonization furnace
- sludge
- 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.)
- Pending
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 72
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 35
- 238000003763 carbonization Methods 0.000 title claims abstract description 20
- 238000002485 combustion reaction Methods 0.000 claims abstract description 34
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000003546 flue gas Substances 0.000 claims abstract description 12
- 239000000571 coke Substances 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 58
- 239000000463 material Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 239000002737 fuel gas Substances 0.000 abstract description 3
- 239000000295 fuel oil Substances 0.000 abstract description 3
- 239000002893 slag Substances 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000007790 scraping Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000009856 non-ferrous metallurgy Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000009270 solid waste treatment Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
-
- 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
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Materials Engineering (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to the technical field of oil sludge pyrolysis, and relates to an oil sludge pyrolysis carbonization furnace. According to the oil sludge pyrolysis device, the oil sludge is conveyed into the rotary kiln, the first spiral material pushing plate drives the oil sludge to move in the rotary kiln to form a pyrolysis vortex, so that the oil sludge can be heated uniformly and heat transfer is enhanced, the oil sludge is fully pyrolyzed, meanwhile, oil sludge hot slag generated by oil sludge semicoke combustion is guided into the rotary furnace to serve as a heat carrier to provide heat for the oil sludge pyrolysis process, and the rest heat is supplemented by high-temperature flue gas generated by external fuel gas or fuel oil combustion, so that the heat utilization rate is greatly improved.
Description
Technical Field
The invention relates to the technical field of oil sludge pyrolysis, and relates to an oil sludge pyrolysis carbonization furnace.
Background
The carbonization furnace is a thermal device for heating materials, and is known for hundreds of years. At present, the rotary furnace is widely used in industrial production processes of nonferrous metallurgy, refractory materials, cement, chemical industry, papermaking, solid waste treatment and the like. The existing carbonization furnace for the pyrolysis of the oily sludge mainly carries out direct heating, and the energy consumption is high; meanwhile, oil sludge coking is generated in the treatment process, so that pyrolysis is insufficient, and equipment is difficult to clean.
Disclosure of Invention
The invention aims to provide an oil sludge pyrolysis carbonization furnace which can uniformly heat oil sludge and enhance heat transfer, realize full pyrolysis of the oil sludge and greatly improve the heat utilization rate.
In order to solve the technical problems, the technical scheme adopted by the invention for solving the technical problems is as follows:
an oil sludge pyrolysis carbonization furnace comprises an outer cylinder, a kiln head cover, a kiln tail cover and a rotary kiln, wherein the outer cylinder is obliquely arranged on the kiln head cover and the kiln tail cover, the rotary kiln is arranged on the outer cylinder in a penetrating manner, a jacket combustion chamber is formed by a gap between the rotary kiln and the outer cylinder, the kiln head cover, the jacket combustion chamber and the kiln tail cover are communicated, and a guide-out part for guiding oil sludge semi-coke into the jacket combustion chamber is arranged at the kiln tail part of the rotary kiln;
the kiln tail cover is provided with a hot air pipe, the inner surface of the rotary kiln is provided with a first spiral pushing plate which enables the oil sludge to move in the rotary kiln, the outer surface of the rotary kiln is provided with a second spiral pushing plate which enables the oil sludge semi-coke to move between the rotary kiln and the outer cylinder, and the moving direction of the oil sludge is opposite to the moving direction of the oil sludge semi-coke.
Furthermore, a hot flue gas collection chamber is arranged in the kiln head cover, a flue gas outlet is arranged at the top of the kiln head cover, a hot air chamber is arranged in the kiln tail cover, and the hot flue gas collection chamber is communicated with the hot air chamber.
Furthermore, the feed end of the rotary kiln is provided with an oil sludge feeding screw conveying device, and the discharge end of the rotary kiln is provided with an oil gas extraction port for discharging oil gas.
Further, derive the part including deriving spiral pipe, inlet pipe and tailings discharge port, the inlet pipe sets up outer barrel bottom, derive the spiral pipe with the inlet pipe is linked together, the tailings discharge port sets up kiln hood bottom.
Further, the hot blast pipes are aligned with the top of the jacket combustion chamber such that hot blast from the hot blast pipes is blown directly into the jacket combustion chamber.
Further, the outside of kiln hood cover, kiln tail cover and outer barrel all is provided with the insulating layer.
Furthermore, a plurality of air outlet pipes are uniformly arranged on the hot air pipe, and a secondary combustion layer is formed above the kiln tail cover by synchronously exhausting air from the air outlet pipes.
Further, a plurality of baffles are arranged in the gap of the first spiral material pushing plate.
Furthermore, the first spiral pushing plate and the rotary kiln are of an integrated structure.
Furthermore, a feeding plate is arranged on the outer side of the rotary kiln and is opposite to the feeding pipe, and a feeding stop block is arranged at the free end of the feeding plate.
The invention has the beneficial effects that:
according to the oil sludge pyrolysis device, the oil sludge is conveyed into the rotary kiln, the first spiral material pushing plate drives the oil sludge to move in the rotary kiln to form a pyrolysis vortex, so that the oil sludge can be heated uniformly and heat transfer is enhanced, the oil sludge is fully pyrolyzed, meanwhile, oil sludge hot slag generated by oil sludge semicoke combustion is guided into the rotary furnace to serve as a heat carrier to provide heat for the oil sludge pyrolysis process, and the rest heat is supplemented by high-temperature flue gas generated by external fuel gas or fuel oil combustion, so that the heat utilization rate is greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of a sludge pyrolysis carbonization furnace of the present invention.
The reference numbers in the figures illustrate: 1. a kiln head cover; 11. a flue gas outlet; 12. collecting the hot flue gas; 2. a rotary kiln; 21. a first spiral pusher plate; 22. a second spiral pusher plate; 23. an oil sludge feeding screw conveyer; 24. an oil gas extraction port; 3. an outer cylinder; 4. a hot air pipe; 41. a secondary combustion layer; 5. a kiln tail cover; 6. leading out a spiral pipe; 61. a feed pipe; 62. a tailings discharge port; 63. a feeding stop block;
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
Referring to fig. 1, the oil sludge pyrolysis carbonization furnace comprises an outer cylinder, a kiln head cover, a kiln tail cover and a rotary kiln, wherein the outer cylinder is obliquely arranged on the kiln head cover and the kiln tail cover, the rotary kiln is arranged on the outer cylinder in a penetrating manner, a jacket combustion chamber is formed by a gap between the rotary kiln and the outer cylinder, the kiln head cover, the jacket combustion chamber and the kiln tail cover are communicated, and a guiding part for guiding oil sludge semicoke into the jacket combustion chamber is arranged at the kiln tail part of the rotary kiln;
the kiln tail cover is provided with a hot air pipe, the inner surface of the rotary kiln is provided with a first spiral pushing plate which enables the oil sludge to move in the rotary kiln, the outer surface of the rotary kiln is provided with a second spiral pushing plate which enables the oil sludge semi-coke to move between the rotary kiln and the outer cylinder, and the moving direction of the oil sludge is opposite to the moving direction of the oil sludge semi-coke.
According to the oil sludge pyrolysis device, the oil sludge is conveyed into the rotary kiln, the first spiral material pushing plate drives the oil sludge to move in the rotary kiln to form a pyrolysis vortex, so that the oil sludge can be heated uniformly and heat transfer is enhanced, the oil sludge is fully pyrolyzed, meanwhile, oil sludge hot slag generated by oil sludge semicoke combustion is guided into the rotary furnace to serve as a heat carrier to provide heat for the oil sludge pyrolysis process, and the rest heat is supplemented by high-temperature flue gas generated by external fuel gas or fuel oil combustion, so that the heat utilization rate is greatly improved.
The rotary kiln is inclined relative to the horizontal plane, the feeding end of the rotary kiln is lower than the discharging end, and the rotary kiln is inclined relative to the horizontal plane, so that oil sludge can slide into the rotary kiln to realize automatic feeding, the oil sludge can be continuously added, the manpower resource is greatly saved, and the use cost is reduced.
The kiln head is characterized in that a hot smoke collection chamber is arranged in the kiln head cover, a smoke discharge port is arranged at the top of the kiln head cover, a hot air chamber is arranged in the kiln tail cover, and the hot smoke collection chamber is communicated with the hot air chamber.
Specifically, the feed end of the rotary kiln is provided with an oil sludge feeding screw conveying device, and the discharge end of the rotary kiln is provided with an oil gas extraction port for discharging oil gas.
The derivation part is including deriving spiral pipe, inlet pipe and tailings discharge port, the inlet pipe sets up outer barrel bottom, derive the spiral pipe with the inlet pipe is linked together, the tailings discharge port sets up kiln hood bottom.
The hot air pipe is aligned with the top of the jacket combustion chamber so that hot air blown by the hot air pipe is directly blown into the jacket combustion chamber.
And heat insulation layers are arranged outside the kiln head cover, the kiln tail cover and the outer cylinder body.
A plurality of air outlet pipes are uniformly arranged on the hot air pipe, and a plurality of air outlet pipes synchronously give out air to form a secondary combustion layer above the kiln tail cover.
Because outer barrel and rotary kiln slope set up for carbon monoxide and free carbon etc. that produce towards kiln hood direction removal in the incomplete burning of fatlute semicoke in the jacket combustion chamber, form the postcombustion layer with the physical mode of giving vent to anger in kiln hood top through a plurality of tuber pipes, make the burning is intervened again to above-mentioned incomplete combustion product, have effectively improved the heating efficiency of combustion process, reduce the total discharge capacity of carbon dioxide, have saved the use amount of fuel simultaneously.
Simultaneously during hot-blast direct blowing-in jacket combustion chamber that blows in of hot-blast main, can make to reach the torrent effect in the jacket combustion chamber under the direction drive of second spiral scraping wings, improve heat utilization rate, can make and carry out the fast combustion of high temperature and fatlute semicoke in the jacket combustion chamber, reduce the fatlute semicoke waste residue volume of production, the discharge of the flue gas of being convenient for simultaneously.
A plurality of baffles are arranged in the gap of the first spiral material pushing plate, and the baffles can push the oil sludge in the rotary kiln to move, so that the adhesion of the oil sludge and the rotary kiln is avoided.
The first spiral pushing plate, the first spiral pushing plate and the rotary kiln are of an integrated structure.
The rotary kiln is characterized in that a feeding plate is arranged on the outer side of the rotary kiln, the feeding plate and the feeding pipe are arranged oppositely, a feeding stop block is arranged at the free end of the feeding plate, and the oil sludge semicoke is pushed into the jacket combustion chamber.
Fatlute automatic sliding into the rotary kiln or through fatlute feeding screw conveyor get into in the rotary kiln, along with the rotation of rotary kiln antedisplacement under the effect of first spiral scraping wings, first spiral scraping wings mix the material and make it be heated evenly, the anterior segment of material in the rotary kiln is heated, the pyrolysis takes place for the well back end in the rotary kiln, the fatlute semicoke that produces at the pyrolysis in-process is derived the spiral pipe from hot semicoke and is discharged, provide the required heat of fatlute pyrolysis process in getting into the jacket combustion chamber.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. The oil sludge pyrolysis carbonization furnace is characterized by comprising an outer cylinder, a kiln head cover, a kiln tail cover and a rotary kiln, wherein the outer cylinder is obliquely arranged on the kiln head cover and the kiln tail cover, the rotary kiln is arranged on the outer cylinder in a penetrating manner, a jacket combustion chamber is formed by a gap between the rotary kiln and the outer cylinder, the kiln head cover, the jacket combustion chamber and the kiln tail cover are communicated, and a guide-out part for guiding oil sludge semicoke into the jacket combustion chamber is arranged at the kiln tail part of the rotary kiln;
the kiln tail cover is provided with a hot air pipe, the inner surface of the rotary kiln is provided with a first spiral pushing plate which enables the oil sludge to move in the rotary kiln, the outer surface of the rotary kiln is provided with a second spiral pushing plate which enables the oil sludge semi-coke to move between the rotary kiln and the outer cylinder, and the moving direction of the oil sludge is opposite to the moving direction of the oil sludge semi-coke.
2. The oil sludge pyrolysis carbonization furnace as claimed in claim 1, wherein a hot flue gas collection chamber is arranged in the kiln head cover, a flue gas discharge port is arranged at the top of the kiln head cover, a hot air chamber is arranged in the kiln tail cover, and the hot flue gas collection chamber is communicated with the hot air chamber.
3. The sludge pyrolysis carbonization furnace as claimed in claim 1, wherein the feed end of the rotary kiln is provided with a sludge feed screw conveyor, and the discharge end of the rotary kiln is provided with an oil gas extraction port for discharging oil gas.
4. The sludge pyrolysis carbonization furnace as claimed in claim 1, wherein the guiding member comprises a guiding spiral pipe, a feeding pipe and a tailings discharging port, the feeding pipe is arranged at the bottom of the outer cylinder, the guiding spiral pipe is communicated with the feeding pipe, and the tailings discharging port is arranged at the bottom of the kiln head cover.
5. The sludge pyrolysis carbonization furnace as claimed in claim 1, wherein the hot blast pipes are aligned with the top of the jacket combustion chamber such that hot blast from the hot blast pipes is directly blown into the jacket combustion chamber.
6. The sludge pyrolysis carbonization furnace as claimed in claim 1, wherein the exterior of the kiln head hood, the kiln tail hood and the outer cylinder body are all provided with heat insulation layers.
7. The sludge pyrolysis carbonization furnace as claimed in claim 1, wherein a plurality of air outlet pipes are uniformly arranged on the hot air pipe, and the air outlet pipes synchronously give out air to form a secondary combustion layer above the kiln tail cover.
8. The sludge pyrolysis carbonization furnace as claimed in claim 1, wherein a plurality of baffles are provided in the gap of the first auger plate.
9. The sludge pyrolysis carbonization furnace as claimed in claim 1, wherein the first screw pushing plate, the first screw pushing plate and the rotary kiln are integrally formed.
10. The sludge pyrolysis carbonization furnace as claimed in claim 4, wherein a feeding plate is arranged outside the rotary kiln, the feeding plate is arranged opposite to the feeding pipe, and a feeding stop block is arranged at the free end of the feeding plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011041775.5A CN112225420A (en) | 2020-09-28 | 2020-09-28 | Oil sludge pyrolysis carbonization furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011041775.5A CN112225420A (en) | 2020-09-28 | 2020-09-28 | Oil sludge pyrolysis carbonization furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112225420A true CN112225420A (en) | 2021-01-15 |
Family
ID=74119491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011041775.5A Pending CN112225420A (en) | 2020-09-28 | 2020-09-28 | Oil sludge pyrolysis carbonization furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112225420A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112876022A (en) * | 2021-01-19 | 2021-06-01 | 重庆科技学院 | Utilize thermosetting carrier to handle pyrolysis device of steel rolling fatlute |
| CN114110602A (en) * | 2021-11-26 | 2022-03-01 | 南京万德斯环保科技股份有限公司 | Baffling rotary kiln |
| CN115594422A (en) * | 2022-11-11 | 2023-01-13 | 山东祥桓环境科技有限公司（Cn） | Device and method for combined production of quicklime and sulfur by reduction and decomposition of gypsum |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205606589U (en) * | 2016-03-16 | 2016-09-28 | 浙江三联环保科技股份有限公司 | Mud distillation pyrolysis incinerator |
| CN107033940A (en) * | 2017-05-12 | 2017-08-11 | 中信重工机械股份有限公司 | A kind of efficient pyrolysis of coal device and method for pyrolysis for carrying dedusting function |
| CN208296580U (en) * | 2018-06-08 | 2018-12-28 | 山西航德沣科技有限公司 | A kind of greasy filth pyrolysis rotary furnace |
-
2020
- 2020-09-28 CN CN202011041775.5A patent/CN112225420A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205606589U (en) * | 2016-03-16 | 2016-09-28 | 浙江三联环保科技股份有限公司 | Mud distillation pyrolysis incinerator |
| CN107033940A (en) * | 2017-05-12 | 2017-08-11 | 中信重工机械股份有限公司 | A kind of efficient pyrolysis of coal device and method for pyrolysis for carrying dedusting function |
| CN208296580U (en) * | 2018-06-08 | 2018-12-28 | 山西航德沣科技有限公司 | A kind of greasy filth pyrolysis rotary furnace |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112876022A (en) * | 2021-01-19 | 2021-06-01 | 重庆科技学院 | Utilize thermosetting carrier to handle pyrolysis device of steel rolling fatlute |
| CN114110602A (en) * | 2021-11-26 | 2022-03-01 | 南京万德斯环保科技股份有限公司 | Baffling rotary kiln |
| CN115594422A (en) * | 2022-11-11 | 2023-01-13 | 山东祥桓环境科技有限公司（Cn） | Device and method for combined production of quicklime and sulfur by reduction and decomposition of gypsum |
| CN115594422B (en) * | 2022-11-11 | 2023-08-08 | 山东祥桓环境科技有限公司 | Device and method for co-producing quicklime and sulfur by gypsum reduction and decomposition |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112225420A (en) | Oil sludge pyrolysis carbonization furnace | |
| CN104016596B (en) | A kind of rotary kiln with power generation assembly | |
| WO2012022059A1 (en) | Apparatus for pyrolysis of coal substance | |
| CN103058536B (en) | Heat-accumulation dividing-wall heating rotary kiln device | |
| CN102952555B (en) | Gaseous pyrolysis product collector and carbonaceous material pyrolysis or dry distillation device using same | |
| CN203487094U (en) | Integrated drying, carbonizing and activating equipment for carbon-containing solids | |
| CN110066083B (en) | Sludge pyrolysis recycling system and pyrolysis method | |
| CN101792676A (en) | Movable slide bed tunnel type coke oven and use method thereof | |
| CN101280202A (en) | External preheating type granule rotary dry distillation process | |
| WO2012022058A1 (en) | Decomposition equipment with single burner for coal substance | |
| WO2012022061A1 (en) | Vertical pyrolysis equipment for coal substance | |
| CN104073276A (en) | Drying, carbonizing and activating integrated method and equipment for solid carbon-containing substances | |
| CN104762095A (en) | Full-cycle low-temperature carbonization device and technique for semi coke production | |
| CN201343520Y (en) | Flash dry distillation technology device of oil shale | |
| CN203947031U (en) | A kind of rotary kiln with power generation assembly | |
| CN105314894A (en) | Rotary kiln device and method for indirectly producing lime and recycling carbon dioxide | |
| CN201071356Y (en) | Continuous-cracking equipment for waste plastics | |
| CN204644266U (en) | The full circulation carbonization furnace that a kind of destructive distillation is lower-grade metamorphic bituminous | |
| CN201660598U (en) | Low temperature retorting oven of tunnel furnace for pyroschist oil refining | |
| CN108531201B (en) | External heating type pyrolysis furnace | |
| CN105546975A (en) | Two-section rotating pyrolysis reactor | |
| CN205710591U (en) | Fine coal rapid pyrolysis apparatus | |
| CN201033773Y (en) | Kerosene shale microwave dry distillation, fluidization combustion integrating system | |
| CN210030362U (en) | Sludge pyrolysis recycling system | |
| CN206396269U (en) | The system of middle low-order coal sub-prime cascade utilization |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210115 |