CN209257273U - A kind of drying device of polypropylene powder - Google Patents
A kind of drying device of polypropylene powder Download PDFInfo
- Publication number
- CN209257273U CN209257273U CN201821806190.6U CN201821806190U CN209257273U CN 209257273 U CN209257273 U CN 209257273U CN 201821806190 U CN201821806190 U CN 201821806190U CN 209257273 U CN209257273 U CN 209257273U
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- lagging casing
- inner cylinder
- agitating shaft
- polypropylene powder
- dry inner
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Abstract
The utility model discloses a kind of drying devices of polypropylene powder, including lagging casing, dry inner cylinder and support base, an independent heating cavities are formed between the dry inner cylinder and lagging casing, feed hopper and stirring motor are provided at the top of the lagging casing, the output shaft of the stirring motor is connected with agitating shaft by retarder, stirring blade is provided on the agitating shaft, and the two sides of agitating shaft are connected with brush plate by interlocking lever, the bottom of the dry inner cylinder is provided with the discharge nozzle being through to below lagging casing, the discharge nozzle is internally provided with agitator arm, the two sides of the agitator arm are provided with agitation blades, the two sides of the lagging casing are provided with the crane being fixedly connected with support base.The phenomenon that the utility model, structure is simple, vdiverse in function, good to drying efficiency height, the drying effect of polypropylene powder, and it is convenient, fast to discharge, and discharge nozzle will not generate blocking during discharging.
Description
Technical field
The utility model relates to chemical equipment technical field, the drying device of specifically a kind of polypropylene powder.
Background technique
Polypropylene is a kind of hemicrystalline thermoplastic, and impact resistance with higher, engineering properties is tough, is resisted a variety of
Organic solvent and acid and alkali corrosion.It is widely used in industry, is usually common one of high molecular material.Polypropylene powder
Powder during production and processing needs that it is dried.The drying device of existing polypropylene powder, to polypropylene powder
The slow drying speed of material, drying effect are poor, and after long-time service, powder is easily adhered on equipment inner wall, are not only not easy to clean, but also
Cause waste, and can not adjustment equipment according to actual needs height, be not easy to the operation such as charging, discharge of staff,
It is not convenient enough to discharge, and clogging is easy to produce during discharging.
Utility model content
The purpose of this utility model is to provide a kind of drying devices of polypropylene powder, in the prior art poly- to solve
The drying device of propylene powder, poor to the slow drying speed of polypropylene powder, drying effect, after long-time service, powder is easy viscous
Be attached on equipment inner wall, be not only not easy to clean, but also cause waste, and can not adjustment equipment according to actual needs height, no
The operation such as charging, discharge convenient for staff, it is not convenient enough to discharge, and clogging etc. is easy to produce during discharging and is asked
Topic.
To achieve the above object, the utility model provides the following technical solutions: a kind of drying device of polypropylene powder, packet
Lagging casing, dry inner cylinder and support base are included, is provided with dry inner cylinder, the dry inner cylinder and heat preservation in the lagging casing
An independent heating cavities are formed between shell, the side of the lagging casing is provided with steam generator, the steam hair
The steam being through in heating cavities is connected on raw device and is passed through pipeline, and feed hopper is provided at the top of the lagging casing and is stirred
Motor is mixed, the top side of the feed hopper is hinged with sealing cover, and the bottom end of the feed hopper is connected to by passage with dry inner cylinder,
Blimp is provided on the outside of the stirring motor, the output shaft of the stirring motor is connected with agitating shaft by retarder, institute
Agitating shaft is stated across lagging casing and extends to the inside of dry inner cylinder, stirring blade is provided on the agitating shaft, and stir
The two sides of axis are connected with brush plate by interlocking lever, and the brush plate is in contact with the inner wall of dry inner cylinder, the dry inner cylinder
Top be connected with the escape pipe being through to outside heat preservation lagging casing, be provided with filter screen on the inside of the bottom end of the escape pipe,
The bottom of the dry inner cylinder is provided with the discharge nozzle being through to below lagging casing, and the bottom end of the discharge nozzle is provided with sealing
Lid, the discharge nozzle are internally provided with agitator arm, and the two sides of the agitator arm are provided with agitation blades, the top of the agitator arm
End is fixedly connected with agitating shaft, and the two sides of the lagging casing are provided with the crane being fixedly connected with support base, the branch
The bottom four corners of support pedestal are equipped with universal wheel.
Preferably, the crane is made of outer sleeve and the flexible inner rod being arranged in outer sleeve, described interior
Loop bar is equipped with the pin hole of equidistantly distributed, is plugged with the holding pin being used cooperatively with pin hole on the side wall of the outer sleeve.
Preferably, the outer wall surrounding of the support base is provided with fixed plate, and screw thread is provided through in the fixed plate
Screw rod, the upper and lower ends of the screw rod are respectively arranged with rotation crank and Antiskid chassis.
Preferably, the brush plate is arcuate structure, and the brush plate is adjacent to being provided on one side uniformly in dry inner cylinder
The bristle of distribution.
Preferably, one end that the escape pipe extends to protection shell connects with the charcoal canister being mounted at the top of lagging casing
It is logical, it is filled with active carbon particle in the charcoal canister, offers gas outlet at the top of the charcoal canister.
Preferably, the side of the heating cavities is connected with the vapour-discharge tube extended to outside lagging casing, the steaming
Vent valve is provided on vapour discharge pipe.
Compared with prior art, the utility model has the beneficial effects that the utility model, structure is simple, vdiverse in function, makes
With convenience and high-efficiency, when dry, under being stirred continuously that stirring blade is driven by agitating shaft, enable to polypropylene powder in drying
It is heated in inner cylinder more quickly, uniformly, drying efficiency is high, and drying effect is good, and the hair that agitating shaft two sides are connected by interlocking lever
Brush board can be brushed effectively to sweep and be adhered on dry inner cylinder inner wall, it can be achieved that the clean function of drying inner cylinder after using
Powder reduces the residual rate of powder in dry inner cylinder, reduces waste, in addition, passing through the agitator arm being arranged in discharge nozzle
And agitation blades, the powder in discharge nozzle can be constantly stirred, avoids discharge nozzle from blocking, out during discharging
Expect it is convenient, fast, by the crane being arranged in lagging casing two sides, convenient for adjusting the height of lagging casing according to actual needs
Degree is provided convenience for operations such as charging, the discharges of staff, and flexible operation is time saving and energy saving, by escape pipe bottom end
The filter screen of side setting effectively can carry out blocking filtering to the polypropylene powder being mingled in discharge gas, avoid wasting, pass through
Escape pipe extends to the charcoal canister of one end connection outside lagging casing, it can be achieved that function to exhaust gas purifying, absorption remove
The pernicious gas and smell in discharge gas are removed, environment is avoided pollution.
Detailed description of the invention
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not
It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the agitating shaft structural schematic diagram of the utility model；
Fig. 3 is the discharge nozzle schematic diagram of internal structure of the utility model；
Fig. 4 is the charcoal canister structural schematic diagram of the utility model.
In figure: 1, lagging casing；2, dry inner cylinder；3, support base；4, blimp；5, stirring motor；6, agitating shaft；7,
Sealing cover；8, feed hopper；9, passage；10, heating cavities；11, steam is passed through pipeline；12, steam generator；13, it goes up and down
Frame；14, discharge nozzle；15, universal wheel；16, Antiskid chassis；17, screw rod；18, fixed plate；19, crank is rotated；20, outer tube；
21, holding pin；22, pin hole；23, inner rod；24, vapour-discharge tube；25, vent valve；26, escape pipe；27, charcoal canister；
28, stirring blade；29, interlocking lever；30, brush plate；31, bristle；32, agitator arm；33, agitation blades；34, seal closure； 35,
Filter screen；36, active carbon particle；37, gas outlet.
Specific embodiment
It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer
The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this
Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment is fallen within the protection scope of the utility model.Therefore, the implementation to the utility model provided in the accompanying drawings below
The detailed description of mode is not intended to limit the range of claimed invention, but is merely representative of the utility model
Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor
Every other embodiment obtained under the premise of dynamic, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
Please refer to Fig. 1-4, in the utility model embodiment, a kind of drying device of polypropylene powder, including lagging casing
1, inner cylinder 2 and support base 3 are dried, dry inner cylinder 2, shape between dry inner cylinder 2 and lagging casing 1 are provided in lagging casing 1
At an independent heating cavities 10, the side of lagging casing 1 is provided with steam generator 12, is connected on steam generator 12
The steam being through in heating cavities 10 is passed through pipeline 11, and the top of lagging casing 1 is provided with feed hopper 8 and stirring motor 5,
The top side of feed hopper 8 is hinged with sealing cover 7, and the bottom end of feed hopper 8 is connected to by passage 9 with dry inner cylinder 2, stirring motor 5
Outside be provided with blimp 4, the output shaft of stirring motor 5 is connected with agitating shaft 6 by retarder, and agitating shaft 6 passes through heat preservation
Shell 1 and the inside for extending to dry inner cylinder 2 are provided with stirring blade 28 on agitating shaft 6 and are driven when dry by agitating shaft 6
Under being stirred continuously of stirring blade 28, polypropylene powder is enabled to be heated in dry inner cylinder 2 more quickly, uniformly, it is dry
High-efficient, drying effect is good, and the two sides of agitating shaft 6 are connected with brush plate 30, brush plate 30 and dry inner cylinder 2 by interlocking lever 29
Inner wall be in contact, the brush plate 30 of setting can be brushed effectively and be swept, it can be achieved that the clean function of drying inner cylinder 2 after using
Fall the powder being adhered on dry 2 inner wall of inner cylinder, reduce the residual rate of powder in dry inner cylinder 2, reduce waste, it is dry in
The top of cylinder 2 is connected with the escape pipe 26 being through to outside lagging casing 1, is provided with filter screen on the inside of the bottom end of escape pipe 26
35, filter screen 35 effectively can carry out blocking filtering to the polypropylene powder being mingled in discharge gas, avoid wasting, in drying
The bottom of cylinder 2 is provided with the discharge nozzle 14 for being through to 1 lower section of lagging casing, and the bottom end of discharge nozzle 14 is provided with seal closure 34, out
Expects pipe 14 is internally provided with agitator arm 32, and the two sides of agitator arm 32 are provided with agitation blades 33, the top of agitator arm 32 with stir
It mixes axis 6 to be fixedly connected, by the agitator arm 32 and agitation blades 33 of setting, can constantly be stirred out during discharging
Powder in expects pipe 14 avoids discharge nozzle 14 from blocking, and discharges convenient, fast, the two sides of lagging casing 1 are provided with and support
The crane 13 that pedestal 3 is fixedly connected, the bottom four corners of support base 3 are equipped with universal wheel 15, the setting of universal wheel 15, so that
The device can move freely, and use convenient for pushing it to suitable position, and crane 13 is by outer sleeve and flexible to set
The inner rod 23 set in outer sleeve forms, and inner rod 23 is equipped with the pin hole 22 of equidistantly distributed, inserts on the side wall of outer sleeve
It is connected to the holding pin 21 being used cooperatively with pin hole 22, by the crane 13 of setting, convenient for adjusting heat preservation according to actual needs
The height of shell 1 is provided convenience for operations such as charging, the discharges of staff, and flexible operation is time saving and energy saving, support base 3
Outer wall surrounding be provided with fixed plate 18, screw thread is provided through screw rod 17, the upper and lower ends of screw rod 17 in fixed plate 18
It is respectively arranged with rotation crank 19 and Antiskid chassis 16, it is downward by rotation crank 19 behind the mobile suitable position of the device
The stability of whole device can be increased by the Antiskid chassis 16 of 17 bottom end of screw rod tight against on the ground by rotating screw rod 17,
Place stronger, brush plate 30 is arcuate structure, and brush plate 30 is adjacent to be uniformly distributed in dry being provided on one side for inner cylinder 2
Bristle 31, one end that escape pipe 26 extends to protection shell is connected to the charcoal canister 27 being mounted at the top of lagging casing 1,
Active carbon particle 36 is filled in charcoal canister 27, the top of charcoal canister 27 offers gas outlet 37, the charcoal canister of setting
27, it can be achieved that function to exhaust gas purifying, the pernicious gas and smell being adsorbed and removed in discharge gas, avoid pollution ring
Border, the side of heating cavities 10 are connected with the vapour-discharge tube 24 extended to outside lagging casing 1, are arranged on vapour-discharge tube 24
There is vent valve 25, vapour-discharge tube 24 is used to that replacement to be discharged to the high-temperature steam in heating cavities.
The working principle of the utility model is: in use, the use needs to be worked first according to oneself, pass through crane 13
On holding pin 21 and pin hole 22 be used cooperatively, adjust the length of crane 13, rise or fall lagging casing 1 to suitable
Height, then power on the device, and polypropylene powder to be dried is added from feed hopper 8 to dry inner cylinder 2, then cover
Sealing cover 7 on enterprising hopper 8, then starts steam generator 12 and stirring motor 5, and the work of steam generator 12 passes through steam
It is passed through pipeline 11 and conveys high-temperature steam to adding in heating cavities 10, the powder in dry inner cylinder 2 is heated, meanwhile, stirring
The work of motor 5 drives stirring blade 28 to rotate by agitating shaft 6, constantly stirs the powder in dry inner cylinder 2, accelerates powder
Heated rate, dry it rapidly, steam generated in drying process etc. be discharged gas, through the filter screen in escape pipe 26
It after 35 filtering, is passed in charcoal canister 27, enters the discharge gas in charcoal canister 27 in the suction of active carbon particle 36
Under attached, it is adsorbed and removed the pernicious gas and peculiar smell contained in discharge gas, and flow into from the gas outlet 37 at 27 top of charcoal canister
Into environment, after powder is dried, the seal closure 34 of 14 bottom end of discharge nozzle is removed, and agitating shaft 6 is made to drive 32 He of agitator arm
Stirring blade 28 rotates, and the powder in discharge nozzle 14 is dropped under the continuous agitation of agitation blades 33, rapidly out of drying
Discharge in cylinder 2, during powder discharge, agitating shaft 6 drives the hair being attached on dry 2 inner wall of inner cylinder by interlocking lever 29
Brush board 30 constantly rotates, the powder being adhered on dry inner wall the brush of brush plate 30 sweep it is lower brushed off, to reduce dry
The residual rate of powder, reduces waste in dry inner cylinder 2.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of drying device of polypropylene powder, including lagging casing (1), dry inner cylinder (2) and support base (3), special
Sign is: being provided with dry inner cylinder (2) in the lagging casing (1), shape between the dry inner cylinder (2) and lagging casing (1)
At an independent heating cavities (10), the side of the lagging casing (1) is provided with steam generator (12), the steam hair
It is connected with the steam being through in heating cavities (10) on raw device (12) to be passed through pipeline (11), the top of the lagging casing (1)
It is provided with feed hopper (8) and stirring motor (5), the top side of the feed hopper (8) is hinged with sealing cover (7), the feed hopper (8)
Bottom end by passage (9) with dry inner cylinder (2) be connected to, be provided with blimp (4), institute on the outside of the stirring motor (5)
The output shaft for stating stirring motor (5) is connected with agitating shaft (6) by retarder, and the agitating shaft (6) passes through lagging casing (1) simultaneously
The inside of dry inner cylinder (2) is extended to, is provided with stirring blade (28) on the agitating shaft (6), and the two sides of agitating shaft (6) are logical
It crosses interlocking lever (29) to be connected with brush plate (30), the brush plate (30) is in contact with the inner wall of dry inner cylinder (2), the drying
It is connected at the top of inner cylinder (2) and is through to the external escape pipe (26) of lagging casing (1), on the inside of the bottom end of the escape pipe (26)
It is provided with filter screen (35), the bottom of the dry inner cylinder (2) is provided with the discharge nozzle being through to below lagging casing (1)
(14), the bottom end of the discharge nozzle (14) is provided with seal closure (34), and the discharge nozzle (14) is internally provided with agitator arm
(32), the two sides of the agitator arm (32) are provided with agitation blades (33), and the top and agitating shaft (6) of the agitator arm (32) are solid
Fixed connection, the two sides of the lagging casing (1) are provided with the crane (13) being fixedly connected with support base (3), the support
The bottom four corners of pedestal (3) are equipped with universal wheel (15).
2. a kind of drying device of polypropylene powder according to claim 1, it is characterised in that: the crane (13) is
It is made of outer sleeve and the flexible inner rod (23) being arranged in outer sleeve, the inner rod (23) is equipped with equidistantly distributed
Pin hole (22), the holding pin (21) being used cooperatively with pin hole (22) is plugged on the side wall of the outer sleeve.
3. a kind of drying device of polypropylene powder according to claim 1, it is characterised in that: the support base (3)
Outer wall surrounding be provided with fixed plate (18), screw thread is provided through screw rod (17), the spiral on the fixed plate (18)
The upper and lower ends of bar (17) are respectively arranged with rotation crank (19) and Antiskid chassis (16).
4. a kind of drying device of polypropylene powder according to claim 1, it is characterised in that: the brush plate (30) is
Arcuate structure, the brush plate (30) is adjacent to is provided with equally distributed bristle (31) in dry inner cylinder (2) on one side.
5. a kind of drying device of polypropylene powder according to claim 1, it is characterised in that: the escape pipe (26) is prolonged
The one end for extending to protection shell is connected to the charcoal canister (27) being mounted at the top of lagging casing (1), the charcoal canister (27)
It is inside filled with active carbon particle (36), offers gas outlet (37) at the top of the charcoal canister (27).
6. a kind of drying device of polypropylene powder according to claim 1, it is characterised in that: the heating cavities (10)
Side be connected with and extend to the external vapour-discharge tube (24) of lagging casing (1), be provided on the vapour-discharge tube (24)
Vent valve (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821806190.6U CN209257273U (en) | 2018-11-02 | 2018-11-02 | A kind of drying device of polypropylene powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821806190.6U CN209257273U (en) | 2018-11-02 | 2018-11-02 | A kind of drying device of polypropylene powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209257273U true CN209257273U (en) | 2019-08-16 |
Family
ID=67559567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821806190.6U Active CN209257273U (en) | 2018-11-02 | 2018-11-02 | A kind of drying device of polypropylene powder |
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| Country | Link |
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| CN (1) | CN209257273U (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110964598A (en) * | 2019-11-25 | 2020-04-07 | 湖南神农国油生态农业发展有限公司 | Deodorization and deodorization device in oil-tea camellia seed oil production process |
| CN112206330A (en) * | 2020-09-18 | 2021-01-12 | 喻文益 | Humus soil degassing unit is used in fallen leaves refuse treatment |
| CN112497555A (en) * | 2020-10-21 | 2021-03-16 | 中国石油化工股份有限公司 | Device and method for preparing high-quality polypropylene product |
| CN112604644A (en) * | 2020-12-14 | 2021-04-06 | 江苏磊金环境工程有限公司 | Thermal desorption regeneration tower equipment for saturated active alumina pellets |
| CN112675650A (en) * | 2020-12-04 | 2021-04-20 | 盛建丽 | Multifunctional monitoring device convenient for outdoor use for atmospheric pollution |
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| CN113183346A (en) * | 2021-01-29 | 2021-07-30 | 浙江大学山东工业技术研究院 | Color masterbatch processing is with technological device that colors |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110964598A (en) * | 2019-11-25 | 2020-04-07 | 湖南神农国油生态农业发展有限公司 | Deodorization and deodorization device in oil-tea camellia seed oil production process |
| CN112206330A (en) * | 2020-09-18 | 2021-01-12 | 喻文益 | Humus soil degassing unit is used in fallen leaves refuse treatment |
| CN112206330B (en) * | 2020-09-18 | 2023-01-10 | 宁夏博源健康发展有限公司 | Humus soil degassing unit is used in fallen leaves refuse treatment |
| CN112497555A (en) * | 2020-10-21 | 2021-03-16 | 中国石油化工股份有限公司 | Device and method for preparing high-quality polypropylene product |
| CN112675650A (en) * | 2020-12-04 | 2021-04-20 | 盛建丽 | Multifunctional monitoring device convenient for outdoor use for atmospheric pollution |
| CN112604644A (en) * | 2020-12-14 | 2021-04-06 | 江苏磊金环境工程有限公司 | Thermal desorption regeneration tower equipment for saturated active alumina pellets |
| CN113183346A (en) * | 2021-01-29 | 2021-07-30 | 浙江大学山东工业技术研究院 | Color masterbatch processing is with technological device that colors |
| CN113183346B (en) * | 2021-01-29 | 2022-10-28 | 浙江大学山东工业技术研究院 | Color masterbatch processing is with technological device that colors |
| CN112847885A (en) * | 2021-02-08 | 2021-05-28 | 陈肇超 | Plastic polymer melting device |
| CN114735331A (en) * | 2022-03-30 | 2022-07-12 | 西安国际医学中心有限公司 | Lung cancer detection and diagnosis kit |
| CN114735331B (en) * | 2022-03-30 | 2024-02-02 | 西安国际医学中心有限公司 | Lung cancer detection and diagnosis kit |
| CN117565269A (en) * | 2023-11-23 | 2024-02-20 | 徐州海颜材料科技有限公司 | Masterbatch dispersion drying equipment |
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