CN109439355A - A kind of inside and outside collaboration heating pyrolysis charring device of high viscosity liquid organic waste - Google Patents
A kind of inside and outside collaboration heating pyrolysis charring device of high viscosity liquid organic waste Download PDFInfo
- Publication number
- CN109439355A CN109439355A CN201811591142.4A CN201811591142A CN109439355A CN 109439355 A CN109439355 A CN 109439355A CN 201811591142 A CN201811591142 A CN 201811591142A CN 109439355 A CN109439355 A CN 109439355A
- Authority
- CN
- China
- Prior art keywords
- steam
- high viscosity
- upper cover
- liquid organic
- organic waste
- 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
- 238000010438 heat treatment Methods 0.000 title claims abstract description 41
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 40
- 239000007788 liquid Substances 0.000 title claims abstract description 26
- 239000010815 organic waste Substances 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 239000002699 waste material Substances 0.000 claims abstract description 18
- 238000003756 stirring Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 239000002296 pyrolytic carbon Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 5
- 239000012774 insulation material Substances 0.000 description 3
- 239000000571 coke Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 150000001722 carbon compounds Chemical class 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 210000003464 cuspid Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000006467 substitution 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
- C10B55/00—Coking mineral oils, bitumen, tar, and the like or mixtures thereof with solid carbonaceous material
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The invention discloses collaboration heating pyrolysis charring devices inside and outside a kind of high viscosity liquid organic waste, including upper cover, furnace body, steam-stirring device and electromagnetic heating coil, pyrolysis waste feed inlet, superheated steam air inlet and pyrolysis gas outlet are provided at the top of upper cover, the bottom of furnace body is provided with carbide outlet, steam-stirring device is supported by upper cover, the blender of carrying vapour outlet protrudes into waste and is internally heated and stirs, and electromagnetic heating coil is surrounded on the side and bottom surface of furnace body.Due to carrying out collaboration heating to waste using external electromagnetic heating and over-heat inside steam, guarantee that material is evenly heated.The features such as present invention is convenient for automatic feed/discharge while realizing sealing, has heating rate fast, homogeneous heating, prevents viscous wall.
Description
Technical field
The present invention relates to a kind of thermal decomposition coke oven more particularly to a kind of inside and outside collaboration heating of high viscosity liquid organic waste
Pyrolysis charring device.
Background technique
Due to high viscosity liquids organic wastes such as spent resin, waste oil paint, spent ink and useless coating, has viscosity high, add
It is easily blocked after hot unevenness, difficult the features such as clearing up will lead to chamber wall and tie if heating is uneven during pyrolysis charring
Coke hinders heat toward conducting inside waste, causes temperature more and more uneven, to hinder the progress of pyrolysis charring.Together
When, since spent resin is inflammable and explosive dangerous material, there is also fuel gas in thermal decomposition product, using common open firing meeting
Bring very big security risk.
Currently, on the market without the continuous pyrolysis carbonizing apparatus suitable for high viscosity liquid organic waste.
Summary of the invention
The object of the present invention is to provide a kind of thermal inertia is small, safety, homogeneous heating high viscosity liquid organic waste in
Pyrolysis charring device is heated in outer collaboration.
The purpose of the present invention is what is be achieved through the following technical solutions:
The inside and outside collaboration heating pyrolysis charring device of high viscosity liquid organic waste of the invention, including upper cover, furnace body, steaming
Vapour agitating device and electromagnetic heating coil；
The upper cover be equipped with pyrolysis waste feed inlet, superheated steam air inlet, pyrolysis gas outlet, and be provided with temperature and
Pressure sensor；
The furnace body is cylinder-like structure, is made of magnetic conductivity heat-resisting material, and bottom is equipped with discharge port；
The steam-stirring device is supported by upper cover, and is extend into furnace chamber；
The side and bottom of the furnace body is arranged in the electromagnetic heating coil, is arranged between electromagnetic heating coil and furnace body
There is thermal insulation material.
As seen from the above technical solution provided by the invention, high viscosity liquid organic waste provided in an embodiment of the present invention
The inside and outside collaboration heating pyrolysis charring device of gurry, due to being assisted using external electromagnetic heating and over-heat inside steam to waste
With heating, guarantee that material is evenly heated, the pyrolysis charring processing of high viscosity liquid organic waste may be implemented, while at guarantee
The automation of reason process and being evenly heated for high viscosity liquid organic waste.
Detailed description of the invention
Fig. 1 is the inside and outside collaboration heating pyrolysis charring device knot of high viscosity liquid organic waste provided in an embodiment of the present invention
Structure schematic diagram.
In figure:
1, upper cover, 2, feeding seal valve, 3, blender axis, 4, pyrolysis waste feed inlet, 5, superheated steam air inlet, 6,
Shell, 7, pyrolysis gas outlet, 8, electromagnetic heating coil, 9, steam agitator, 10, steam (vapor) outlet, 11, furnace body, 12, under discharge port
Hold sealing valve, 13, discharge port upper end sealing valve, 14, discharge port, 15, thermal insulation material, 16, motor, 17, pinion gear, 18, canine tooth
Wheel, 19, round nut, 20, deep groove ball bearing, 21, spring, 22, angular contact ball bearing, 23, temperature sensor, 24, level sensing
Device, 25, pressure sensor, 26, sealing drilled packing ring, 27, end face ring type seal.
Specific embodiment
The embodiment of the present invention will be described in further detail below.What is be not described in detail in the embodiment of the present invention is interior
Appearance belongs to the prior art well known to professional and technical personnel in the field.
The inside and outside collaboration heating pyrolysis charring device of high viscosity liquid organic waste of the invention, is preferably embodied
Mode is:
Including upper cover, furnace body, steam-stirring device and electromagnetic heating coil；
The upper cover be equipped with pyrolysis waste feed inlet, superheated steam air inlet, pyrolysis gas outlet, and be provided with temperature and
Pressure sensor；
The furnace body is cylinder-like structure, is made of magnetic conductivity heat-resisting material, and bottom is equipped with discharge port；
The steam-stirring device is supported by upper cover, and is extend into furnace chamber；
The side and bottom of the furnace body is arranged in the electromagnetic heating coil, is arranged between electromagnetic heating coil and furnace body
There is thermal insulation material.
The steam-stirring device includes steam agitator, driving motor and gear transmission section, the steam agitator
It is located in furnace chamber, the driving motor and gear transmission section installation are on the cover.
The steam agitator by being installed on the supported hole of upper cover through the agitating shaft of upper cover, the agitating shaft with it is upper
A pair of of angular contact ball bearing is installed between the supported hole of lid, airtight and watertight padding is used between the angular contact ball bearing and furnace chamber of lower end
Ring is sealed, and the gear wheel of the gear transmission section is mounted on above the angular contact ball bearing of upper end, and with 2 round nuts
It is fixed.
The agitating shaft is hollow structure, and the superheated steam entrance is stirred by hollow agitating shaft and the steam
Mix the connects with the internal cavities of device.
The superheated steam entry bottom has two-stage step hole, the big step of the agitating shaft and superheated steam entrance
A pair of of deep groove ball bearing is installed between hole, is provided with end face ring type seal at the top of agitating shaft, sealing ring enters with superheated steam
Helical spring is provided with before the small stair hole bottom of mouth.
Feeding seal valve is mounted in the pyrolysis waste feed inlet；The discharge port of the bottom of furnace body is equipped with discharge port
Upper end sealing valve and discharge port lower end sealing valve.
The inside and outside collaboration heating pyrolysis charring device of high viscosity liquid organic waste of the invention, due to using external electromagnetic
Heating and over-heat inside steam carry out collaboration heating to waste, guarantee that material is evenly heated.While the present invention realizes sealing
It is convenient for automatic feed/discharge, guarantees the automation for the treatment of process, and have heating rate fast, homogeneous heating prevents viscous wall etc.
Feature.The pyrolysis charring processing of high viscosity liquid organic waste may be implemented, while guaranteeing automation and the height for the treatment of process
Viscous liquid organic waste is evenly heated.
Specific embodiment:
Referring to Fig.1, including upper cover 1, the top of upper cover 1 are provided with pyrolysis waste feed inlet 4, superheated steam air inlet 5
Discharge port 14 is set with the bottom of pyrolysis gas outlet 7, furnace body.
High viscosity liquid organic waste is diluted by appropriate organic solvent and after blender stirs, and reduces it
Viscosity is made into the slurry or half slurry for adapting to mobile pump transportation performance, when feeding seal valve 2 is opened, will be discarded by shifting pump
Object enters furnace body 11 by pyrolysis waste feed inlet 4.At this point, the intracorporal temperature of furnace is heated to 600 DEG C by electromagnetic heating coil
More than.Meanwhile 600 ° or more of superheated steam is by superheated steam air inlet 5, by blender axis 3 and steam agitator 9, from
10 pass-out of steam (vapor) outlet.Meanwhile the 16 persistently rotation of driving pinion 17 of motor, drive gear wheel 18 and blender axis 3 to rotate, from
And steam agitator 9 realizes and follows 10 pass-out high temperature super heated steam of steam (vapor) outlet while stirring material, adds material uniformly
Heat.Agitating shaft lower part is provided with sealing drilled packing ring 26, it is resistant to high temperature simultaneously, effectively prevent waste to enter the supported hole of agitating shaft
It is interior.It is provided with end face ring type seal 27 at the top of agitating shaft and a pair of of deep groove ball bearing 20 guarantees to stir under the pressure of spring 21
It mixes at the top of axis and realizes end face dynamic sealing before superheated steam air inlet 5, prevent superheated steam from revealing.Waste in device exists
Under anaerobic or oxygen debt environment, using the collaboration heating and stirring of electromagnetism and superheated steam, by the pyrolytic carbon of certain time
After change processing, waste residue has been finally converted into nontoxic solid carbide.These solid carbides pass through bottom of furnace body
Discharge port 14 is discharged.When discharge port upper end sealing valve 13 is opened, discharge port lower end sealing valve 12 is in close state, solid carbon
Compound falls into the space between discharge port upper end sealing valve 13 and discharge port lower end sealing valve 12, when solid carbide runs up to one
When quantitative, discharge port upper end sealing valve 13 is closed, and subsequent discharge port lower end sealing valve 12 is opened, and ensure that device integral sealing
Property.The discharge of solid carbide carries out subsequent processing.The pyrolysis gas that carbonization process generates passes through the pyrolysis gas of pyrolysis charring device
7 discharge of outlet carries out subsequent processing.Temperature sensor 23, liquid level sensor 24 and pressure sensor 25 in furnace body 11 are set
Moment monitors the temperature variations and fluid change of pressure changing and temperature variations and material in furnace body 11
Signal is fed back to control system by situation, to respectively adjust to parameter to pyrolysis charring device.To realize that high viscosity has
The pyrolysis charring of machine liquid debris is handled, while guaranteeing that the automation for the treatment of process and the uniform of liquid organic waste add
Heat.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (6)
1. a kind of inside and outside collaboration heating pyrolysis charring device of high viscosity liquid organic waste, which is characterized in that including upper cover, furnace
Body, steam-stirring device and electromagnetic heating coil；
The upper cover is equipped with pyrolysis waste feed inlet, superheated steam air inlet, pyrolysis gas outlet, and is provided with temperature and pressure
Sensor；
The furnace body is cylinder-like structure, is made of magnetic conductivity heat-resisting material, and bottom is equipped with discharge port；
The steam-stirring device is supported by upper cover, and is extend into furnace chamber；
The side and bottom of the furnace body is arranged in the electromagnetic heating coil, and guarantor is provided between electromagnetic heating coil and furnace body
Adiabator.
2. the inside and outside collaboration heating pyrolysis charring device of high viscosity liquid organic waste according to claim 1, feature
It is, the steam-stirring device includes steam agitator, driving motor and gear transmission section, and the steam agitator is located at
In furnace chamber, the driving motor and gear transmission section installation are on the cover.
3. the inside and outside collaboration heating pyrolysis charring device of high viscosity liquid organic waste according to claim 2, feature
It is, the steam agitator is installed on the supported hole of upper cover by the agitating shaft through upper cover, the agitating shaft and upper cover
Supported hole between a pair of of angular contact ball bearing is installed, between the angular contact ball bearing and furnace chamber of lower end use sealing drilled packing ring
Be sealed, the gear wheel of the gear transmission section is mounted on above the angular contact ball bearing of upper end, and with 2 round nuts into
Row is fixed.
4. the inside and outside collaboration heating pyrolysis charring device of high viscosity liquid organic waste according to claim 3, feature
It is, the agitating shaft is hollow structure, and the superheated steam entrance passes through hollow agitating shaft and the steam-stirring
The connects with the internal cavities of device.
5. the inside and outside collaboration heating pyrolysis charring device of high viscosity liquid organic waste according to claim 4, feature
It is, the superheated steam entry bottom has two-stage step hole, the big stepped hole of the agitating shaft and superheated steam entrance
Between a pair of of deep groove ball bearing is installed, end face ring type seal, sealing ring and superheated steam entrance are provided at the top of agitating shaft
Small stair hole bottom before be provided with helical spring.
6. the inside and outside collaboration heating pyrolytic carbon makeup of high viscosity liquid organic waste according to any one of claims 1 to 5
It sets, which is characterized in that be mounted with that feeding seal valve, the discharge port of the bottom of furnace body are equipped in the pyrolysis waste feed inlet
Discharge port upper end sealing valve and discharge port lower end sealing valve.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018114966735 | 2018-12-07 | ||
| CN2018220527073 | 2018-12-07 | ||
| CN201822052707 | 2018-12-07 | ||
| CN201811496673 | 2018-12-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109439355A true CN109439355A (en) | 2019-03-08 |
Family
ID=65537945
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811591142.4A Pending CN109439355A (en) | 2018-12-07 | 2018-12-25 | A kind of inside and outside collaboration heating pyrolysis charring device of high viscosity liquid organic waste |
| CN201822186323.0U Active CN209276448U (en) | 2018-12-07 | 2018-12-25 | A kind of inside and outside collaboration heating pyrolysis charring device of high viscosity liquid organic waste |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822186323.0U Active CN209276448U (en) | 2018-12-07 | 2018-12-25 | A kind of inside and outside collaboration heating pyrolysis charring device of high viscosity liquid organic waste |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN109439355A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110028214A (en) * | 2019-05-20 | 2019-07-19 | 科蓝博(北京)环境技术有限公司 | A kind of Vertical Heat solution reaction kettle with agitating shaft |
| CN110718315A (en) * | 2019-10-23 | 2020-01-21 | 江苏中海华核环保有限公司 | Waste resin environment-friendly pyrolysis treatment device and treatment method thereof |
| CN111111583A (en) * | 2019-12-17 | 2020-05-08 | 湖州师范学院 | Multi-ultrasonic coupling reinforced high-viscosity organic waste pyrolysis carbonization device |
| CN113751472A (en) * | 2021-09-13 | 2021-12-07 | 杰瑞环保科技有限公司 | Thermal desorption device, oil-based material processing system and method |
| WO2022021118A1 (en) * | 2020-07-29 | 2022-02-03 | 重庆科技学院 | Integrated apparatus for preparing biochar by means of co-pyrolysis of sludge and straw |
| CN114144504A (en) * | 2019-07-16 | 2022-03-04 | 无限原力股份有限公司 | Oil sludge or waste treatment system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109439355A (en) * | 2018-12-07 | 2019-03-08 | 湖州师范学院 | A kind of inside and outside collaboration heating pyrolysis charring device of high viscosity liquid organic waste |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050100487A (en) * | 2004-04-14 | 2005-10-19 | 주식회사 대봉엔지니어링 | Thermal cracking equipment |
| CN107176779A (en) * | 2017-07-21 | 2017-09-19 | 浙江宜可欧环保科技有限公司 | It is pyrolyzed the processing equipment of oily sludge on desorption reaction kettle and offshore platform including the reactor |
| CN207294683U (en) * | 2017-10-11 | 2018-05-01 | 广州广冷华旭制冷空调实业有限公司 | Baking charing agitating device |
| CN209276448U (en) * | 2018-12-07 | 2019-08-20 | 湖州师范学院 | A kind of inside and outside collaboration heating pyrolysis charring device of high viscosity liquid organic waste |
-
2018
- 2018-12-25 CN CN201811591142.4A patent/CN109439355A/en active Pending
- 2018-12-25 CN CN201822186323.0U patent/CN209276448U/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050100487A (en) * | 2004-04-14 | 2005-10-19 | 주식회사 대봉엔지니어링 | Thermal cracking equipment |
| CN107176779A (en) * | 2017-07-21 | 2017-09-19 | 浙江宜可欧环保科技有限公司 | It is pyrolyzed the processing equipment of oily sludge on desorption reaction kettle and offshore platform including the reactor |
| CN207294683U (en) * | 2017-10-11 | 2018-05-01 | 广州广冷华旭制冷空调实业有限公司 | Baking charing agitating device |
| CN209276448U (en) * | 2018-12-07 | 2019-08-20 | 湖州师范学院 | A kind of inside and outside collaboration heating pyrolysis charring device of high viscosity liquid organic waste |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110028214A (en) * | 2019-05-20 | 2019-07-19 | 科蓝博(北京)环境技术有限公司 | A kind of Vertical Heat solution reaction kettle with agitating shaft |
| CN114144504A (en) * | 2019-07-16 | 2022-03-04 | 无限原力股份有限公司 | Oil sludge or waste treatment system |
| CN110718315A (en) * | 2019-10-23 | 2020-01-21 | 江苏中海华核环保有限公司 | Waste resin environment-friendly pyrolysis treatment device and treatment method thereof |
| CN111111583A (en) * | 2019-12-17 | 2020-05-08 | 湖州师范学院 | Multi-ultrasonic coupling reinforced high-viscosity organic waste pyrolysis carbonization device |
| WO2022021118A1 (en) * | 2020-07-29 | 2022-02-03 | 重庆科技学院 | Integrated apparatus for preparing biochar by means of co-pyrolysis of sludge and straw |
| CN113751472A (en) * | 2021-09-13 | 2021-12-07 | 杰瑞环保科技有限公司 | Thermal desorption device, oil-based material processing system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN209276448U (en) | 2019-08-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209276448U (en) | A kind of inside and outside collaboration heating pyrolysis charring device of high viscosity liquid organic waste | |
| KR101299433B1 (en) | A process and an apparatus for converting solid organic materials into carbon or activated carbon | |
| CN103591781B (en) | The continuous drying system of slurry or powder | |
| CN212284021U (en) | Automatic scrape reation kettle of material | |
| CN106949477B (en) | A kind of processing system of Biohazard Waste and its use technique | |
| CN204911487U (en) | High -efficient general many functional response cauldron device | |
| CN208351945U (en) | A kind of radioactivity debirs processing equipment | |
| CN211936929U (en) | Intelligence accuse temperature electrical heating reation kettle | |
| JP6424107B2 (en) | Volume reduction treatment apparatus and volume reduction treatment method for persistent degradable waste | |
| CN107321289A (en) | A kind of controllable warm type chemical industry solutions agitating device | |
| CN112391068B (en) | Device for carrying out high-temperature treatment on carbon black in anaerobic state | |
| CN211800809U (en) | Heating reaction kettle | |
| CN210022121U (en) | Reaction kettle for processing biological materials | |
| KR101945626B1 (en) | Pressure controlled low temperature pyrolysis evaporator and organic wastes disposal method for using the same | |
| CN204275959U (en) | A kind of macromolecule chemical industry reaction microwave rabble furnace | |
| CN208018607U (en) | A kind of vacuum feed reaction kettle | |
| CN106582474A (en) | Semicontinuous and automatic microwave denitration device | |
| CN105333152B (en) | A kind of bearing normal pressure is from gas sealing mechanism | |
| CN216236805U (en) | Device for producing food-grade carbon black | |
| CN203635220U (en) | Stirring-free synthetic reaction kettle | |
| CN213913359U (en) | Chemical raw material heating device | |
| CN206478229U (en) | One kind stirring shaft seal | |
| CN220376610U (en) | Pyrolysis kiln exhaust treatment device | |
| CN207025315U (en) | A kind of new liquid butyronitrile reactor | |
| CN203196637U (en) | Jacket-type oil heating reaction cylinder |
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 |