CN106994742A - A kind of three-level stirring-type mixer - Google Patents
A kind of three-level stirring-type mixer Download PDFInfo
- Publication number
- CN106994742A CN106994742A CN201710242690.5A CN201710242690A CN106994742A CN 106994742 A CN106994742 A CN 106994742A CN 201710242690 A CN201710242690 A CN 201710242690A CN 106994742 A CN106994742 A CN 106994742A
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- CN
- China
- Prior art keywords
- level
- stirring
- grades
- plectrum
- agitating
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/0875—Mixing in separate stages involving different containers for each stage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/16—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses a kind of three-level stirring-type mixer, including support bracket and motor, top, middle part, the bottom of frame are corresponded to respectively is provided with one-level agitating device, two grades of agitating devices, three-level agitating devices, one-level agitating device to concrete material slightly to be stirred, two grades of agitating devices are stirred to carry out half essence to concrete material, two-way plectrum is provided with three-level agitating device, concrete material is produced convection effects and carries out smart stirring.The present invention is by the way of Multi-stage stirring, thick stirring, half essence stirring and essence stirring, it is not interfere with each other between stirrings at different levels, can not only realizes and concrete material is sufficiently stirred for, and meets the lasting stirring to concrete material, provided safeguard for the lasting supply of concrete, it is time-consuming short, the quality of stirring efficiency and stirring is improved, it is simple to operate, workload is greatly reduced, processing cost is reduced.
Description
Technical field
The present invention relates to a kind of mixer, specifically a kind of three-level stirring-type mixer.
Background technology
Mixer, is that a kind of blade-carrying axle rotates in cylinder or groove, plurality of raw materials is stirred into mixing, is allowed to
A kind of machine as mixture or suitable denseness.Mixer can be often used in our life, mainly by mixing cylinder, adding
The composition such as material and shedding mechanism, water system, prime mover, transmission mechanism, frame and supporting arrangement, traditional agitating mode is more
Simply, stirring to same concrete material not enough thoroughly, it is necessary to repeatedly be stirred, time-consuming longer, less efficient, the increasing of stirring
The cost processed, also has the agitating mode using one-way spiral, accelerates the rhythm of stirring, but one-way spiral can only promote
Make raw material towards the direction motion in container, easily cause deposits materials in a side, be unfavorable for being sufficiently stirred for for material, and all
Limited by stirring container volume, the amount for once stirring the concrete of generation is limited, it is impossible to realize the lasting confession of concrete
Give, many mixer work are needed to furnish good supplies to, it is cumbersome, and increase workload.
The content of the invention
It is an object of the invention to provide a kind of three-level stirring-type mixer, with asking for solving to propose in above-mentioned background technology
Topic.
To achieve the above object, the present invention provides following technical scheme：
A kind of three-level stirring-type mixer, including frame, the frame are fixed on bottom plate by support；Frame
Top, middle part, bottom correspond to be provided with one-level agitating device, two grades of agitating devices, three-level agitating devices respectively, one-level stirring dress
Put and be made up of one-level agitator, one-level agitating shaft, one-level stirring rod, water inlet and water jet, the one-level agitator is fixed
Installed in the top of frame frame, the upper left side of one-level agitator is provided with charging aperture, and the upper right side of one-level agitator is provided with into water
Mouthful, water inlet is connected by water pipe with water jet, and water jet is arranged on the right side wall in one-level agitator；One-level agitator
Middle part is provided with one-level agitating shaft, one-level agitating shaft and is provided with one-level stirring rod；Frame top centre position is provided with electricity
Machine, the upper end of one-level agitating shaft is connected by a shaft coupling with motor, and motor drives one-level agitating shaft to rotate；One-level is stirred
Bucket lower left is installed with one number service road open-close on-off, and the lower end of one-level agitating shaft is filled by No. two shaft couplings and two grades of stirrings
Put connected；Two grades of agitating devices are made up of two grades of agitators, two grades of agitating shafts and one-way spiral plectrum, and two grades of agitators are consolidated
Dingan County is mounted in the middle part of frame, and the upper left side of two grades of agitators is connected with one number service road open-close on-off, in two grades of agitators
Portion, which is installed with two grades of agitating shafts, two grades of agitating shafts, is installed with one-way spiral plectrum, and one-level agitating shaft drives two grades
Agitating shaft is rotated；The lower left of two grades of agitators is installed with No. two passage open-close on-offs, and the lower end of two grades of agitating shafts passes through
No. three shaft couplings are connected with three-level agitating device；The three-level agitating device is by three-level agitator, three-level agitating shaft and two-way
Plectrum is constituted, and three-level agitator is fixedly mounted on the bottom of frame, the upper left side of three-level agitator and No. two passage open-close on-offs
It is connected, is installed with the middle part of three-level agitator on three-level agitating shaft, three-level agitating shaft and is installed with two-way plectrum；Three
The lower right of level agitator is installed with No. three passage open-close on-offs, and the lower end of No. three passage open-close on-offs is fixedly mounted
There is tapping channel, two grades of agitating shafts drive three-level agitating shaft to rotate；No. three passage open-close on-offs are mounted below spiral transferring
Machine is sent, conveying worm one end is provided with tapping channel；The outer layer side of the one-level agitator, two grades of agitators and three-level agitator
Polarization motor is installed on wall.
It is used as further scheme of the invention：The one-level stirring rod is cylindrical steel rods.
It is used as further scheme of the invention：The one-level stirring rod is multiple, and uniform vertical is stirred installed in one-level
On axle.
It is used as further scheme of the invention：The two-way plectrum includes top plectrum and bottom plectrum, top plectrum
In left-hand screw, bottom plectrum is in right-hand screw, and top plectrum and bottom plectrum are symmetrical on the middle part of three-level agitating shaft, along top
The outward flange of plectrum and bottom plectrum, which is uniformly provided with, stirs tooth.
It is used as further scheme of the invention：The fluctuation tooth head is spherical.
It is used as further scheme of the invention：Valve is installed on the water inlet.
It is used as further scheme of the invention：The bottom plate is steel plate.
Compared with prior art, the beneficial effects of the invention are as follows：Reasonable in design of the present invention, using the side of Multi-stage stirring
Formula, thick stirring, half essence stirring and essence stirring, does not interfere with each other between stirrings at different levels, can not only realize and concrete material is filled
Divide stirring, and meet the lasting stirring to concrete material, be that the lasting supply of concrete provides safeguard, take short, raising
Stirring efficiency and the quality of stirring, it is simple to operate, workload is greatly reduced, reduce processing cost.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is the structural representation of one-level agitator in the present invention.
In figure：1- frames, 2- charging apertures, 3- motors, number shaft coupling of 4-, 5- one-levels agitator, 6- one-levels agitating shaft, 7-
One-level stirring rod, 8- one number services road open-close on-off, No. bis- shaft couplings of 9-, bis- grades of agitating shafts of 10-, 11- one-way spirals plectrum, 12-
Two grades of agitators, No. bis- passage open-close on-offs of 13-, No. tri- shaft couplings of 14-, 15- three-levels agitating shaft, 16- fluctuations tooth, 17- tops
Plectrum, 18- bottoms plectrum, 19- three-levels agitator, No. tri- passage open-close on-offs of 20-, 21- conveying worms, 22- tapping channels,
23- polarizations motor, 25- supports, 25- bottom plates, 26- water inlets, 27- valves, 28- water jets.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1~2, a kind of three-level stirring-type mixer, including frame 1 are referred to, the frame 1 installs solid by support 24
It is scheduled on bottom plate 25, the contact surface with ground is increased by bottom plate 25, improves the overall stability of mixer work；Frame 1
Top, middle part, bottom correspond to be provided with one-level agitating device, two grades of agitating devices, three-level agitating devices respectively, one-level stirring dress
Put and be made up of one-level agitator 5, one-level agitating shaft 6, one-level stirring rod 7, water inlet 26 and water jet 28, the one-level stirring
Bucket 5 is fixedly mounted on the top of frame frame 1, and the upper left side of one-level agitator 5 is provided with charging aperture 2, the upper right side of one-level agitator 5
Water inlet 26 is provided with, water inlet 26 is connected by water pipe with water jet 28, and water jet 28 is arranged on the right side in one-level agitator 5
On the wall of side；The middle part of one-level agitator 5 is provided with one-level agitating shaft 6, one-level agitating shaft 6 and is provided with one-level stirring rod 7；Frame
1 crown center position is provided with motor 3, the upper end of one-level agitating shaft 6 is connected by a shaft coupling 4 with motor 3, utilizes electricity
Machine 3 exports power, drives one-level agitating shaft 6 to rotate, concrete material is slightly stirred using one-level stirring rod 7, one-level is stirred
Mix the lower left of bucket 5 and be installed with one number service road open-close on-off 8, the lower end of one-level agitating shaft 6 passes through No. two shaft couplings 9 and two grades
Agitating device is connected；Two grades of agitating devices are made up of two grades of agitators 12, two grades of agitating shafts 10 and one-way spiral plectrum 11, described
Two grades of agitators 12 are fixedly mounted on the middle part of frame 1, and the upper left side of two grades of agitators 12 is connected with one number service road open-close on-off 8
Connect, the middle part of two grades of agitators 12, which is installed with two grades of agitating shafts 10, two grades of agitating shafts 10, is installed with one-way spiral
Plectrum 11, drives two grades of agitating shafts 10 to rotate by one-level agitating shaft 6, and then utilizes one-way spiral 11 pairs of two grades of agitators of plectrum
Concrete material in 12 carries out half essence stirring, raw material is further well mixed, the lower left of two grades of agitators 12 is fixed
No. two passage open-close on-offs 13 are installed, the lower end of two grades of agitating shafts 10 passes through No. three shaft couplings 14 and three-level agitating device phase
Even；The three-level agitating device is made up of three-level agitator 19, three-level agitating shaft 15 and two-way plectrum, and three-level agitator 19 is consolidated
Dingan County is mounted in the bottom of frame 1, and the upper left side of three-level agitator 19 is connected with No. two passage open-close on-offs 13, three-level agitator
19 middle part is installed with three-level agitating shaft 15, three-level agitating shaft 15 and is installed with two-way plectrum；Three-level agitator 19
Lower right be installed with No. three passage open-close on-offs 20, the lower end of No. three passage open-close on-offs 20 is installed with out
Expect passage 22, drive three-level agitating shaft 15 to rotate by two grades of agitating shafts 10, and then using two-way plectrum to three-level agitator 19
Interior raw material is sufficiently stirred, and the concrete after the completion of stirring is discharged out of tapping channel 22；No. three passages are opened and closed
Switch 20 is mounted below conveying worm 21, is discharged compound from tapping channel 22 by conveying worm 21, Neng Goufang
Just quickly discharging；Concrete material is stirred by the way of Multi-stage stirring, the abundant of stirring is can ensure that, and can be
In the course of work, raw material is added into one-level agitating device, the stirring of concrete so can be ceaselessly carried out, be stirred using one-level
Mix device slightly to be stirred, carrying out half essence followed by two grades of agitating devices stirs, and recycles three-level agitating device to carry out essence and stirs
Mix, sufficiently ensure that the quality of concrete stirring, and provide safeguard for the lasting supply of concrete；The one-level agitator 5,
Polarization motor 23 is installed on the outer layer side wall of two grades of agitators 12 and three-level agitator 19, can be shaken off attached on agitator inwall
The material, reduces and wastes, and improves the utilization rate of material.
Further, one-level stirring rod 7 of the present invention is cylindrical steel rods.
Further, one-level stirring rod 7 of the present invention is multiple, and uniform vertical is arranged on one-level agitating shaft 6 and wrong
Fall distribution.
Further, two-way plectrum of the present invention includes top plectrum 17 and bottom plectrum 18, and top plectrum 17 is in a left side
Spiral, bottom plectrum 18 is in right-hand screw, and top plectrum 17 and bottom plectrum 18 are symmetrical on the middle part of three-level agitating shaft 15, along
The outward flange of top plectrum 17 and bottom plectrum 18, which is uniformly provided with, stirs tooth 16, can be in three-level agitating shaft using two-way plectrum
During 15 rotate, using the oppositely oriented of top plectrum 17 and bottom plectrum 18, produce the raw material in three-level agitator 19
Raw convection current, i.e., moved along the middle part of three-level agitator 19 to upper and lower ends or along three-level agitator 19 upper and lower ends to
Middle part is moved, and concrete material is further stirred using tooth 16 is fluctuated.
Further, fluctuation tooth 16 head of the present invention is spherical, by increasing capacitance it is possible to increase the contact area with mixed mud raw material,
Mixed mud raw material is promoted to be sufficiently mixed.
Further, the inflow in valve 27, control one-level agitator 5 is installed on water inlet 26 of the present invention.
Further, bottom plate 25 of the present invention is steel plate, sturdy and durable, is hardly damaged.
The present invention operation principle be：The concrete material for needing to stir is delivered into one-level agitator 5 from charging aperture 2
It is interior, valve 27 is opened, the driving one-level agitating shaft of motor 3 is then opened and rotates, utilize the one-level stirring rod 7 on one-level agitating shaft 6
Concrete material is slightly stirred；Treat after the completion of thick stirring, start one number service road open-close on-off 8, make after the completion of slightly stirring
Concrete enters in two grades of agitators 12, using the rotation of two grades of agitators 12, one-way spiral plectrum 11 is driven two grades of stirrings
Concrete material motion in bucket 12, carries out half essence stirring；Treat after the completion of half essence stirring, open No. two passage open-close on-offs 13,
The concrete after the completion of half essence stirring is entered in three-level agitator 19, using the revolution of three-level agitating shaft 15, drive two-way group
Piece is rotated, and using the oppositely oriented of top plectrum 17 and bottom plectrum 18, forms the concrete material in three-level agitator 19
Convection current, and using the further stirring of tooth 16 is stirred, realize and the essence of concrete material is stirred, substantially ensure that the stirring of concrete
Quality, treats after the completion of essence stirring, opens No. three passage open-close on-offs 20, make the concrete that is stirred by conveying worm 21 from
Tapping channel 22 is discharged.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (7)
1. a kind of three-level stirring-type mixer, including frame, the frame are fixed on bottom plate by support；Its feature exists
In：Top, middle part, the bottom of frame are corresponded to respectively is provided with one-level agitating device, two grades of agitating devices, three-level agitating devices,
One-level agitating device is made up of one-level agitator, one-level agitating shaft, one-level stirring rod, water inlet and water jet, the one-level
Agitator is fixedly mounted on the top of frame frame, and the upper left side of one-level agitator is provided with charging aperture, the upper right side of one-level agitator
Water inlet is provided with, water inlet is connected by water pipe with water jet, water jet is arranged on the right side wall in one-level agitator；One
It is provided with the middle part of level agitator on one-level agitating shaft, one-level agitating shaft and one-level stirring rod is installed；Frame top centre position
Motor is installed, the upper end of one-level agitating shaft is connected by a shaft coupling with motor, and motor drives one-level agitating shaft to rotate；
One-level agitator lower left is installed with one number service road open-close on-off, and the lower end of one-level agitating shaft passes through No. two shaft couplings and two
Level agitating device is connected；Two grades of agitating devices are made up of two grades of agitators, two grades of agitating shafts and one-way spiral plectrum, described two grades
Agitator is fixedly mounted on the middle part of frame, and the upper left side of two grades of agitators is connected with one number service road open-close on-off, and two grades are stirred
Mix and two grades of agitating shafts are installed with the middle part of bucket, one-way spiral plectrum, one-level agitating shaft are installed with two grades of agitating shafts
Two grades of agitating shafts are driven to rotate；The lower left of two grades of agitators is installed with No. two passage open-close on-offs, two grades of agitating shafts
Lower end is connected by No. three shaft couplings with three-level agitating device；The three-level agitating device is by three-level agitator, three-level stirring
Axle and two-way plectrum composition, three-level agitator are fixedly mounted on the bottom of frame, the upper left side of three-level agitator and No. two passages
Open-close on-off is connected, be installed with the middle part of three-level agitator on three-level agitating shaft, three-level agitating shaft be installed with it is double
To plectrum；The lower right of three-level agitator is installed with No. three passage open-close on-offs, No. three passage open-close on-offs
End is installed with tapping channel, and two grades of agitating shafts drive three-level agitating shaft to rotate；Pacify below No. three passage open-close on-offs
Equipped with conveying worm, conveying worm one end is provided with tapping channel；The one-level agitator, two grades of agitators and three-level stirring
Polarization motor is installed on the outer layer side wall of bucket.
2. three-level stirring-type mixer according to claim 1, it is characterised in that：The one-level stirring rod is cylindrical steel
Rod.
3. three-level stirring-type mixer according to claim 1, it is characterised in that：The one-level stirring rod is multiple,
It is even to be vertically mounted on one-level agitating shaft.
4. three-level stirring-type mixer according to claim 1, it is characterised in that：The two-way plectrum includes top plectrum
With bottom plectrum, top plectrum is in left-hand screw, and bottom plectrum is in right-hand screw, and top plectrum and bottom plectrum are on three-level agitating shaft
Middle part it is symmetrical, be uniformly provided with along the outward flange of top plectrum and bottom plectrum and stir tooth.
5. three-level stirring-type mixer according to claim 4, it is characterised in that：The fluctuation tooth head is spherical.
6. three-level stirring-type mixer according to claim 1, it is characterised in that：Valve is installed on the water inlet.
7. three-level stirring-type mixer according to claim 1, it is characterised in that：The bottom plate is steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710242690.5A CN106994742A (en) | 2017-04-14 | 2017-04-14 | A kind of three-level stirring-type mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710242690.5A CN106994742A (en) | 2017-04-14 | 2017-04-14 | A kind of three-level stirring-type mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106994742A true CN106994742A (en) | 2017-08-01 |
Family
ID=59434768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710242690.5A Withdrawn CN106994742A (en) | 2017-04-14 | 2017-04-14 | A kind of three-level stirring-type mixer |
Country Status (1)
| Country | Link |
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| CN (1) | CN106994742A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107520965A (en) * | 2017-09-18 | 2017-12-29 | 郑州大学 | A kind of gypsum mortar pulp shooting machine |
| CN107553737A (en) * | 2017-10-30 | 2018-01-09 | 深圳市晟腾企业管理有限公司 | A kind of high-rise mortar stirring conveying device |
| CN108000722A (en) * | 2017-12-04 | 2018-05-08 | 曾子强 | A kind of concrete standby raw material draft machine |
| CN110696187A (en) * | 2019-10-14 | 2020-01-17 | 郭金生 | Concrete mixing device |
| CN111168849A (en) * | 2020-03-06 | 2020-05-19 | 温州市克微科技有限公司 | Building cement mixing device |
| CN111300643A (en) * | 2020-02-25 | 2020-06-19 | 王柏彰 | Layered multi-stage type mixed material treatment process for concrete mortar preparation |
| CN112622036A (en) * | 2020-10-27 | 2021-04-09 | 江苏天沃重工科技有限公司 | Vertical grading dry-mixed sand stirring device |
| CN113715162A (en) * | 2021-09-07 | 2021-11-30 | 李�杰 | Vertical rotary spraying and stirring system for manufacturing cement raw materials |
| WO2022011675A1 (en) * | 2020-07-15 | 2022-01-20 | 清远市番亿聚氨酯有限公司 | Polyurethane foaming apparatus |
-
2017
- 2017-04-14 CN CN201710242690.5A patent/CN106994742A/en not_active Withdrawn
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107520965A (en) * | 2017-09-18 | 2017-12-29 | 郑州大学 | A kind of gypsum mortar pulp shooting machine |
| CN107553737A (en) * | 2017-10-30 | 2018-01-09 | 深圳市晟腾企业管理有限公司 | A kind of high-rise mortar stirring conveying device |
| CN107553737B (en) * | 2017-10-30 | 2019-03-19 | 湖北天宇建设有限公司 | A kind of high level mortar stirring conveying device |
| CN109624081A (en) * | 2017-10-30 | 2019-04-16 | 深圳市晟腾企业管理有限公司 | A kind of high level mortar stirring conveying device |
| CN108000722A (en) * | 2017-12-04 | 2018-05-08 | 曾子强 | A kind of concrete standby raw material draft machine |
| CN110696187A (en) * | 2019-10-14 | 2020-01-17 | 郭金生 | Concrete mixing device |
| CN111300643A (en) * | 2020-02-25 | 2020-06-19 | 王柏彰 | Layered multi-stage type mixed material treatment process for concrete mortar preparation |
| CN111300643B (en) * | 2020-02-25 | 2021-04-02 | 江西萍乡南方建材有限公司 | Layered multi-stage type mixed material treatment process for concrete mortar preparation |
| CN111168849A (en) * | 2020-03-06 | 2020-05-19 | 温州市克微科技有限公司 | Building cement mixing device |
| WO2022011675A1 (en) * | 2020-07-15 | 2022-01-20 | 清远市番亿聚氨酯有限公司 | Polyurethane foaming apparatus |
| CN112622036A (en) * | 2020-10-27 | 2021-04-09 | 江苏天沃重工科技有限公司 | Vertical grading dry-mixed sand stirring device |
| CN113715162A (en) * | 2021-09-07 | 2021-11-30 | 李�杰 | Vertical rotary spraying and stirring system for manufacturing cement raw materials |
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Application publication date: 20170801 |
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