CN209242998U - The continuous thermal splitting system of waste plastics - Google Patents
The continuous thermal splitting system of waste plastics Download PDFInfo
- Publication number
- CN209242998U CN209242998U CN201822032842.1U CN201822032842U CN209242998U CN 209242998 U CN209242998 U CN 209242998U CN 201822032842 U CN201822032842 U CN 201822032842U CN 209242998 U CN209242998 U CN 209242998U
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- Prior art keywords
- waste plastics
- rotary shaft
- spiral
- continuous thermal
- splitting system
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- 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
- Y02P20/141—Feedstock
- Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics
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- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses a kind of continuous thermal splitting systems of waste plastics, belong to waste plastics recovery processing technology field.The system includes sequentially connected feeding device, feeding device, heat scission reaction kettle and deslagging device, feeding device includes spiral propeller, and the auger conveyor for being delivered to waste plastics from spiral propeller in heat scission reaction kettle, spiral propeller includes conical shell, the first rotary shaft is equipped in conical shell, the first helical blade is socketed in first rotary shaft, conical shell gradually successively decreases in the longitudinal cross-section area in feeding vertical direction and the outer diameter of the first helical blade along feedstock direction.The continuous thermal splitting system of the utility model waste plastics has the characteristics that being capable of continuous feed, continuous pyrolysis, continuous discharging slag, highly effective and safe.
Description
Technical field
The utility model belongs to waste plastics recovery processing technology field more particularly to a kind of continuous thermal cracking system of waste plastics
System.
Background technique
Pyrolysis of Plastics Wastes technology is a kind of chemical recovery techniques of waste plastics, it is by waste plastics in anaerobic or anoxic
Under the conditions of by heating cracking, so that high polymer is cracked into lower-molecular substance, obtain gasoline, kerosene, diesel oil distillate and partial thermal decomposition
Gas etc..On the one hand Pyrolysis of Plastics Wastes technology alleviates pollution problem caused by waste plastics, on the other hand realize waste plastics
Recycling, represent the important directions of current waste plastics recycling treatment, have far-reaching significance.
Waste plastics is continuously fed to full of high-temperature oil gas currently, Pyrolysis of Plastics Wastes technology is to solve first
Heat scission reaction kettle, while the high-temperature oil gas that oxygen enters in reaction kettle or reaction kettle in air being avoided to be leaked in air.CN
205473594 U disclose the cracker of a kind of feeder and scrap rubber and/or waste plastics configured with the feeder, should be into
The helical blade of glassware at least has one section of reducer and one section of varying pitch section, realizes air in spiral charging and extruded material,
No spiral section is sealed for material.Feeder continuous feed is realized while squeezing air in discharge material, is guaranteed safe
In the case of effectively increase production efficiency.
However, the feeder for the cracker that above-mentioned patent is announced is " isometrical varying pitch " screw conveyor, principle is
Sectional compression causes material to be formed in barrel body the disadvantage is that this structure cannot make material overall flow in spiral cylinder
Flow blockage area, or even break down, and very inconvenient during fabrication, cause lysis efficiency low.
Utility model content
The utility model proposes a kind of energy for the technical problem that existing thermal splitting system safety is poor, treatment effeciency is low
Enough continuous feeds, continuous pyrolysis, continuous discharging slag highly effective and safe the continuous thermal splitting system of waste plastics.
In order to achieve the above object, the technical solution adopted in the utility model are as follows:
The continuous thermal splitting system of waste plastics, including sequentially connected feeding device, feeding device, heat scission reaction kettle and
Deslagging device, the feeding device include spiral propeller, and for waste plastics to be delivered to heat from the spiral propeller
Auger conveyor in cracking reaction kettle, the spiral propeller include conical shell, are equipped with first in the conical shell
Rotary shaft, the first helical blade is socketed in first rotary shaft, and the conical shell is cut in the longitudinal direction in feeding vertical direction
The outer diameter of face area and first helical blade gradually successively decreases along feedstock direction.
Preferably, the auger conveyor includes cylindrical tube, is equipped with the second rotary shaft in the cylindrical tube body,
The second helical blade is socketed in second rotary shaft.
Preferably, it is equipped with third rotary shaft in the heat scission reaction kettle, the third rotary shaft and the first rotary shaft,
The setting of second concentric rotation axis, rotates synchronously under the drive by the main transmission machine that described feeding device one end is arranged in.
Preferably, the deslagging device includes the first spiral clinker removor, is equipped with the 4th in first spiral clinker removor
Rotary shaft is socketed with the 4th helical blade in the 4th rotary shaft, and the 4th helical blade is far from the Pyrolysis
One end of kettle is answered to be vertically arranged with choke tube, the choke tube and setting below first spiral clinker removor and are used for splicing
Square chest be connected, the choke tube is located at the top of first spiral clinker removor and with the bending section that is bent upwards.
Preferably, the deslagging device further includes the second spiral clinker removor connecting with the square chest, second spiral
Slag tapping equipment is connected with the slag recovering box being arranged in below second spiral clinker removor.
Preferably, first spiral clinker removor uses tube-type spiral conveyer, and second spiral clinker removor is using U-shaped
Screw conveyor.
Preferably, the slag recovering box bottom is equipped with idler wheel.
Preferably, the feeding device includes the conveying weighing balance for conveying simultaneously metering material, the conveying weighing balance
Conveying end bottom be equipped with feed bin.
Preferably, the swager for being compacted waste plastics is equipped in the feed bin.
Compared with prior art, the utility model has the beneficial effects that:
1, the cylinder of spiral propeller is set taper by the continuous thermal splitting system of waste plastics provided by the utility model,
Pyramidal structure cooperates the helical blade for gradually changing outer diameter, so that the waste plastics into feeding device the more is pressed the more closely knit, in addition spiral
Helical blade is set in rotary shaft in conveyer, the effect of compression seal is also functioned to while promoting waste plastics, makes useless modeling
By air barrier when material enters feeding device, it is ensured that pyrolysis kettle is in anaerobic or anaerobic condition in pyrolysis always；
2, the continuous thermal splitting system of waste plastics provided by the utility model, by the way that the first spiral clinker removor and square chest is arranged,
The choke tube of upward returning charge is set between the first spiral clinker removor and square chest, prevents the oil vapour evaporated in pyrolytic reaction kettle
It overflows outward, while also the air of barrier outside enters in heat scission reaction kettle, and cracking reaction kettle is made to form the work of closing anaerobic
Make environment, to guarantee the serialization and safety of production；
3, the continuous thermal splitting system of waste plastics provided by the utility model, in heat scission reaction kettle setting in feeding device
The rotary shaft of concentric rotation axis only sets a set of transmission system and is driven, and ensure that the concentricity in equipment operational process, simultaneously
Keep material heated more evenly, pyrolysis is more abundant, and energy consumption is cheap, runs more stable；
4, the continuous thermal splitting system of waste plastics provided by the utility model, feeding device setting conveying weighing balance, Ke Yigen
Charging rate is adjusted at any time according to cracking temperature, and pyrolysis is made to reach optimum efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the continuous thermal splitting system of waste plastics provided by the embodiment of the utility model；
Fig. 2 is the partial enlarged view in Fig. 1 at A；
Fig. 3 is the partial enlarged view in Fig. 1 at B；
Fig. 4 is discharging device schematic diagram provided by the embodiment of the utility model；
In above each figure: 1, feeding device；11, belt conveyor；12, weighing balance is conveyed；13, feed bin；14, swager；
15, material machine is pulled out；2, feeding device；21, spiral propeller；211, conical shell；212, the first rotary shaft；213, the first helical-blade
Piece；22, auger conveyor；221, cylindrical tube；222, the second rotary shaft；223, the second helical blade；23, feed inlet；24,
Discharge port；3, heat scission reaction kettle；31, third rotary shaft；32, third helical blade；33, main transmission machine；34, thermal cracking oil gas
Outlet；35, thermal cracking waste residue outlet；36, electronic pass air-valve；37, burner；38, exhanst gas outlet；4, deslagging device；41, first
Spiral clinker removor；411, the 4th rotary shaft；412, the 4th helical blade；413, electronic star-shaped discharge valve；414, cooling water inlet；
415, cooling water outlet；42, choke tube；421, bending section；43, square chest；431, connector；44, the second spiral clinker removor；441,
It is driven peep hole；442, star-like sealing valve；45, slag recovering box；451, idler wheel.
Specific embodiment
In the following, the utility model is specifically described by illustrative embodiment.It should be appreciated, however, that not having
In the case where being further discussed below, element, structure and features in an embodiment can also be advantageously incorporated into other implementations
In mode.
In the description of the present invention, it should be understood that the orientation of the instructions such as term " on ", "lower", "bottom", "inner"
Or positional relationship is to be merely for convenience of description the utility model based on attached orientation or positional relationship shown in FIG. 1 and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as limiting the present invention.
Term " first ", " second ", " third ", " the 4th " are used for description purposes only, and are not understood to indicate or imply
Relative importance or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ", " second ", " third ",
The feature of " the 4th " can explicitly or implicitly include one or more of the features.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be to be connected directly, the connection inside two elements can also be can be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiment: as shown in Figure 1, 2, the utility model embodiment provides a kind of continuous thermal splitting system of waste plastics, including
Sequentially connected feeding device 1, feeding device 2, heat scission reaction kettle 3 and deslagging device 4, feeding device 2 are pushed away including spiral
Into device 21, and for waste plastics to be delivered to the auger conveyor 22 in heat scission reaction kettle 3, spiral from spiral propeller 21
Propeller 21 includes conical shell 211, is equipped with the first rotary shaft 212 in conical shell 211, is socketed in the first rotary shaft 212
There are the first helical blade 213, longitudinal cross-section area and first helical blade 213 of the conical shell 211 in feeding vertical direction
Outer diameter gradually successively decrease along feedstock direction.
In the continuous thermal cracking processes of waste plastics, in order to prevent because caused by positive pressure oil gas reveal, generally in process of production
Using tiny structure condition, therefore, the important topic for preventing outside air from entering heat scission reaction kettle 3 as thermal splitting system.?
In the above-mentioned continuous thermal splitting system of waste plastics, the setting of spiral propeller 21 can obstruct outside air and enter heat scission reaction kettle 3
In, specifically, along the first spiral shell to successively decrease corresponding to outer diameter of conical shell 211 that gradually successively decreases of longitudinal cross-section area of feedstock direction
Vane piece 213 cooperates, so that waste plastics cuts in one direction, rotates and pushes ahead in conical shell 211, realizes
Gradually compression of the waste plastics in conical shell 211, overall flow both ensure that the air-tightness of feeding device 2, prevent external empty
Gas enters in heat scission reaction kettle 3, while improving powder feeding efficiency.
In order to further increase the air-tightness of feeding device 2, preferably above-mentioned auger conveyor 22 includes cylindrical tube
221, the second rotary shaft 222 is equipped in cylindrical tube 221, and the second helical blade 223 is socketed in the second rotary shaft 222.
Waste plastics advances into auger conveyor 22 by the compression of spiral propeller 21, the second rotary shaft 222 in auger conveyor 22
The second helical blade 223 is driven to rotate, under the action of the second helical blade 223, waste plastics continues to push ahead, and eventually enters into
In heat scission reaction kettle 3.In above process, the second helical blade 223 not only acts as the effect of conveying waste plastics, cooperates simultaneously
Cylindrical tube 221 realizes the effect of automatic gas shutoff, further improves the air-tightness of feeding device 2.In addition, in order to improve
The stability of charging, feeding device 2 further include the feed inlet 23 and discharge port 24 that both ends are arranged in, feed inlet 23 and feeding device
Helical blade in 2 is oppositely arranged, and discharge port 24 is located in heat scission reaction kettle 3.
Preferably, third rotary shaft 31 is equipped in heat scission reaction kettle 3, third rotary shaft 31 and the first rotary shaft
212, the second rotary shaft 222 is coaxially disposed, and the first rotary shaft 212, the second rotary shaft 222 and third rotary shaft 31 pass through setting
It is rotated synchronously under the drive of the main transmission machine 33 of 2 one end of feeding device.Above structure need to only be arranged a set of driver and be passed
It is dynamic, ensure that the concentricity in equipment operational process so that waste plastics constantly promotes in one direction, prevent outside air into
Enter in heat scission reaction kettle 3, while keeping material heated more evenly, pyrolysis is more abundant, and energy consumption is cheap, runs more stable.Waste plastics
Into after heat scission reaction kettle 3, pushed ahead under the propulsion for the third helical blade 32 being socketed in third rotary shaft 31, and
Cracking reaction generates high-temperature oil gas and waste residue in the environment of anaerobic or anoxic, wherein high-temperature oil gas is by thermal cracking oil gas vent
34 discharges, waste residue enter deslagging device 4 by thermal cracking waste residue outlet 35 and by the control of electronic pass air-valve 36.Heat scission reaction kettle
3 further include for providing the burner 37 of origin of heat, and the exhanst gas outlet 38 for the generation flue gas of burner 37 to be discharged.
In the present embodiment, as shown in Figure 3,4, prevent the oil vapour evaporated in pyrolytic reaction kettle from overflowing outward to reach,
Also the air of barrier outside enters the purpose in heat scission reaction kettle 3 simultaneously, and deslagging device 4 includes the first spiral clinker removor 41,
It is equipped with the 4th rotary shaft 411 in first spiral clinker removor 41, the 4th helical blade 412 is socketed in the 4th rotary shaft 411, the
Four helical blades 412 are vertically arranged with choke tube 42 in one end far from heat scission reaction kettle 3, and choke tube 42 and setting are first
Square chest 43 below spiral clinker removor 41 and for splicing is connected, and choke tube 42 is located at the top of the first spiral clinker removor 41 and tool
There is upward curved bending section 421.In the continuous thermal splitting system of waste plastics, prevent air from entering heat scission reaction kettle 3, simultaneously
Preventing oil vapour from scurrying out together with breeze is the key that guarantee system safety, and the waste residue that heat scission reaction kettle 3 is discharged enters first
It after spiral clinker removor 41, is pushed ahead under the action of the 4th helical blade 412, reaches and be arranged at 412 end of the 4th helical blade
At portion and the choke tube 42 being oppositely arranged with the 4th helical blade 412, returned upwards under the progradation of the 4th helical blade 412
Material enters the choke tube 42 with bending section 421, under the cooperation of the 4th helical blade 412 and choke tube 42, further increases
Extruding force of 4th helical blade 412 to waste residue, while using the gravity sinking active force of waste residue, make the first spiral clinker removor
Waste residue in 41 is boosted again after being sufficiently compacted, and then is fallen into square chest 43, it should be noted that even if heat scission reaction kettle
3 stop conveying waste residue to the first spiral clinker removor 41, have waste residue blocking always in choke tube 42, to realize the deslagging device
4 not only prevent air from entering, while also preventing the effect that oil vapour overflows outward, ensure that the safety of system.Further,
In order to control the air-tightness slagged tap and improve the first spiral clinker removor 41, the first spiral clinker removor 41 further includes for discharging
Electronic star-shaped discharge valve 413.Meanwhile in order to reduce the temperature of waste residue, reduce security risk, the first spiral clinker removor 41 further includes
For recirculated cooling water, the cooling water inlet 414 and cooling water outlet 415 of reduction waste residue temperature.
Preferably, deslagging device 4 further includes the second spiral clinker removor 44 connecting with square chest 43, the second spiral clinker removor 44
It is connected with the slag recovering box 45 being arranged in below the second spiral clinker removor 44.Waste residue enters the second spiral clinker removor 44 from square chest 43,
Slag recovering box 45 is fallen under the propulsion of the second spiral clinker removor 44, realizes the safety discharge of waste residue.
Further, the first spiral clinker removor 41 uses tube-type spiral conveyer, and the second spiral clinker removor 44 uses U-shaped spiral shell
Revolve conveyer.Tube-type spiral conveyer has large carrying capacity, safe and reliable, adaptable, convenient to install and maintain, machine volume
It is small, revolving speed is high, ensure Quick uniform, conveying conveying capacity is big, structure is simple, good airproof performance, reliable operation, manufacturing cost are low
Feature.First spiral clinker removor 41 uses tube-type spiral conveyer, is promoted using the helical blade of rotation to waste residue, simultaneously
The accumulation of waste residue is realized under the action of waste residue self weight and the frictional force between tube-type spiral conveyer shell, waste residue is with spiral shell
The rotation of vane piece and constantly push ahead and realize further compacting, realize conveying of first spiral clinker removor 41 to waste residue
And consolidation effect.Relative to tube-type spiral conveyer, the second spiral clinker removor uses U-shaped screw conveyor, realizes to waste residue
Conveying.In order to realize the conversion between tube-type spiral conveyer and U-shaped screw conveyor, set between choke tube 42 and square chest 43
Set connector 431.
In order to facilitate the waste residue of transport discharge, 45 bottom of slag recovering box is equipped with idler wheel 451.In addition, observation second for convenience
Waste residue delivery situation in spiral clinker removor 44 is additionally provided with transmission peep hole 441 on the second spiral clinker removor 44.Further
, in order to improve the air-tightness of the second spiral clinker removor 44, the second spiral clinker removor 44 is additionally provided with star-like sealing valve 442.
Meanwhile the continuity in order to guarantee charging, feeding device 1 include the conveying weighing balance for conveying simultaneously metering material
12, the conveying end bottom of conveying weighing balance 12 is equipped with feed bin 13.Conveying weighing balance 12 for adjusting at any time according to cracking temperature
Charging rate achievees the purpose that improve pyrolysis effect.In addition, feeding device 1 further includes by being delivered to waste plastics based on conveying
Amount claims 12 belt conveyor 11.
Further, fluffy and bigger bulk density waste plastics blanking for convenience, feed bin 13 is interior to be equipped with for pressing
The swager 14 of real waste plastics.Waste plastics is pushed into feeding device 2 by swager 14, it is smooth nonclogging to have reached charging
Purpose.Be equipped with meanwhile in order to improve the air-tightness of thermal cracking efficiency and heat scission reaction kettle 3, below feed bin 13 to waste plastics into
Row is pretreated to pull out material machine 15.
The working method of the above-mentioned continuous thermal splitting system of waste plastics is as follows:
By the conveying conveying of weighing balance 12 by waste plastics to feed bin 13, the swager 14 in feed bin 13 is compacted waste plastics；
The waste plastics of compacting enters feeding device 2, under the compression and progradation of spiral propeller 21, passes through spiral transferring
It send device 22 to be input in heat scission reaction kettle 3 to be cracked；
The waste residue obtained after cracking enters the first spiral clinker removor 41, and falls into square chest 43, the side of passing through by choke tube 42
Case 43 enters the second spiral clinker removor 44, then exports waste residue by slag recovering box 45.
Claims (9)
1. the continuous thermal splitting system of waste plastics, including sequentially connected feeding device (1), feeding device (2), heat scission reaction kettle
(3) and deslagging device (4), it is characterised in that: the feeding device (2) includes spiral propeller (21), and for that will give up
Plastics are delivered to the auger conveyor (22) in heat scission reaction kettle (3), the screw propulsion from the spiral propeller (21)
Device (21) includes conical shell (211), is equipped with the first rotary shaft (212) in the conical shell (211), first rotation
It is socketed on axis (212) the first helical blade (213), longitudinal cross-section face of the conical shell (211) in feeding vertical direction
The outer diameter of long-pending and described first helical blade (213) gradually successively decreases along feedstock direction.
2. the continuous thermal splitting system of waste plastics according to claim 1, it is characterised in that: auger conveyor (22) packet
It includes cylindrical tube (221), is equipped with the second rotary shaft (222) in the cylindrical tube (221), second rotary shaft
(222) the second helical blade (223) are socketed on.
3. the continuous thermal splitting system of waste plastics according to claim 2, it is characterised in that: the heat scission reaction kettle (3)
It is inside equipped with third rotary shaft (31), the third rotary shaft (31) and the first rotary shaft (212), the second rotary shaft (222) are together
Axis setting, first rotary shaft (212), the second rotary shaft (222) and third rotary shaft (31) by setting it is described into
Expect to rotate synchronously under the drive of the main transmission machine (33) of device (2) one end.
4. the continuous thermal splitting system of waste plastics according to claim 1, it is characterised in that: the deslagging device (4) includes
First spiral clinker removor (41), first spiral clinker removor (41) is interior to be equipped with the 4th rotary shaft (411), the 4th rotation
The 4th helical blade (412) is socketed on axis (411), the 4th helical blade (412) is far from the heat scission reaction kettle
(3) one end is vertically arranged with choke tube (42), and the choke tube (42) and setting are under first spiral clinker removor (41)
Square and square chest (43) for splicing is connected, and the choke tube (42) is located at the top of first spiral clinker removor (41) and tool
There is upward curved bending section (421).
5. the continuous thermal splitting system of waste plastics according to claim 4, it is characterised in that: the deslagging device (4) is also wrapped
Include the second spiral clinker removor (44) connecting with the square chest (43), second spiral clinker removor (44) and setting are described the
Slag recovering box (45) below two spiral clinker removors (44) is connected.
6. the continuous thermal splitting system of waste plastics according to claim 5, it is characterised in that: first spiral clinker removor
(41) tube-type spiral conveyer is used, second spiral clinker removor (44) uses U-shaped screw conveyor.
7. the continuous thermal splitting system of waste plastics according to claim 6, it is characterised in that: slag recovering box (45) bottom is set
There are idler wheel (451).
8. the continuous thermal splitting system of waste plastics according to claim 1, it is characterised in that: the feeding device (1) includes
For conveying the conveying weighing balance (12) of simultaneously metering material, the conveying end bottom of conveying weighing balance (12) is equipped with feed bin
(13)。
9. the continuous thermal splitting system of waste plastics according to claim 8, it is characterised in that: be equipped with and use in the feed bin (13)
In the swager (14) of compacting waste plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822032842.1U CN209242998U (en) | 2018-12-04 | 2018-12-04 | The continuous thermal splitting system of waste plastics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822032842.1U CN209242998U (en) | 2018-12-04 | 2018-12-04 | The continuous thermal splitting system of waste plastics |
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| Publication Number | Publication Date |
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| CN209242998U true CN209242998U (en) | 2019-08-13 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109401774A (en) * | 2018-12-04 | 2019-03-01 | 青岛伊克斯达智能装备有限公司 | The continuous thermal splitting system of waste plastics and its thermal-cracking method |
| CN113087963A (en) * | 2021-04-07 | 2021-07-09 | 青岛惠城环保科技股份有限公司 | Continuous feeding device for chemical recovery of waste plastics |
| CN114011561A (en) * | 2021-11-23 | 2022-02-08 | 华能吉林发电有限公司九台电厂 | Fan type coal mill deslagging system device |
| CN114985428A (en) * | 2022-06-09 | 2022-09-02 | 蒋显友 | Processing device and process based on harmless oil refining of medical wastes |
-
2018
- 2018-12-04 CN CN201822032842.1U patent/CN209242998U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109401774A (en) * | 2018-12-04 | 2019-03-01 | 青岛伊克斯达智能装备有限公司 | The continuous thermal splitting system of waste plastics and its thermal-cracking method |
| CN113087963A (en) * | 2021-04-07 | 2021-07-09 | 青岛惠城环保科技股份有限公司 | Continuous feeding device for chemical recovery of waste plastics |
| CN113087963B (en) * | 2021-04-07 | 2022-07-12 | 青岛惠城环保科技股份有限公司 | Continuous feeding device for chemical recovery of waste plastics |
| CN114011561A (en) * | 2021-11-23 | 2022-02-08 | 华能吉林发电有限公司九台电厂 | Fan type coal mill deslagging system device |
| CN114985428A (en) * | 2022-06-09 | 2022-09-02 | 蒋显友 | Processing device and process based on harmless oil refining of medical wastes |
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