CN207188217U - A kind of concrete dries aggregate continuous multi-stage separation and classifying device - Google Patents
A kind of concrete dries aggregate continuous multi-stage separation and classifying device Download PDFInfo
- Publication number
- CN207188217U CN207188217U CN201721069270.3U CN201721069270U CN207188217U CN 207188217 U CN207188217 U CN 207188217U CN 201721069270 U CN201721069270 U CN 201721069270U CN 207188217 U CN207188217 U CN 207188217U
- Authority
- CN
- China
- Prior art keywords
- concrete
- storage bin
- rotating shaft
- continuous multi
- fixedly connected
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of concrete to dry aggregate continuous multi-stage separation and classifying device,Including storage bin,First helical blade,Second helical blade,Drive device,Separation tube,Splicing cover plate,Air blower,Picking-up container,Fixed case and inclination screen drum,Solidifying soil is dried aggregate and is stirred in storage bin,Therefore concrete is made to dry aggregate easily by blanking port,Avoid producing the situation that concrete dries aggregate blocking blanking port,Concrete is dried aggregate and entered in separation tube,Due to the effect of variable air rate valve,Make the jet amount of shower nozzle from top to down different with jet intensity,Therefore make concrete drying aggregate again after the jet effect of shower nozzle several times,Make the concrete of variable grain weight dry aggregate to be collected into different splicing cover plates,Carry out classification sorting,The particle of heavier-weight, which enters, to be tilted in screen drum,The particulate material for entering inclination screen drum does not stop left and right reciprocating rolling,Make screening effect obvious.
Description
Technical field
Technical field of concrete production is the utility model is related to, specifically a kind of concrete dries the sorting of aggregate continuous multi-stage
Grading plant.
Background technology
In concrete production field, country advocates high-quality, high quality, the concrete production technology of low cost energetically, from
And reach energy-saving purpose.And country also encourages environmentally friendly, energy-saving production energetically, make every effort to improve production efficiency, reduce
Production cost, man-made noise is reduced, reduce dust pollution, improve haze weather.
Industrial circle every profession and trade major part still uses traditional vibratory sieve to carry out classification to dried material and sorted at present.Especially
In commerical ready-mixed concrete configuration production, the overwhelming majority is that the aggregates such as sand, stone and mineral additive are entered using vibratory sieve for it
Row classification choosing.Because this screening mode is to carry out particle diameter according to the sieve aperture of vibratory sieve to sort, single variety is can only obtain, is classified
It is horizontal relatively low, the manufacturing technique requirent of commerical ready-mixed concrete high quality, high standard far can not be met.Moreover, due to these
Dust is inherently entrained with aggregate, the aggregates such as sand, building stones and mineral additive are sorted using vibratory sieve, will necessarily bring compared with
Big dust pollution and noise.Classification is sorted because vibratory sieve screening is once difficult to multistage, its production efficiency is low, kind
It is single.In order to meet concrete production configure technological requirement, it has to carry out it is secondary sort classification, this just need input manpower,
Material resources and vehicle carry out Secondary Transport, will necessarily improve the production cost of aggregate, that is, improve being produced into for commerical ready-mixed concrete
This.
In order to solve the above problems, aggregate selection by winnowing grading plant is generally dried using concrete at present.But existing wind
The particle diameter of grading plant aggregate resulting after sorting is selected to still have problems with：First, not enough concentrating, obtained after selection by winnowing
Aggregate in aggregates at different levels in same particle size range is less.Second, the aggregate after selection by winnowing still contains a certain amount of stone flour, soil,
During ready-mixed concrete, stone flour and soil can absorb additive and cause the addition of additive to increase, cost increase.
Utility model content
The purpose of this utility model is that providing a kind of concrete dries aggregate continuous multi-stage separation and classifying device, to solve
The problem of being proposed in above-mentioned background technology.
To achieve the above object, the utility model provides following technical scheme：
A kind of concrete dries aggregate continuous multi-stage separation and classifying device, including storage bin, the first helical blade, the second spiral shell
Vane piece, drive device, separation tube, splicing cover plate, air blower, picking-up container, fixed case and tilt screen drum, the separation tube it is upper
Portion is fixedly connected with storage bin, and storage bin is internally provided with first rotating shaft and the second rotating shaft, the first rotating shaft and second turn
The surface of axle has been respectively fixedly connected with the first helical blade and the second helical blade, the first helical blade and the second helical blade
The hand of spiral is on the contrary, the first rotating shaft and the second rotating shaft each extend over out the upside of storage bin and first rotating shaft and the second rotating shaft
It is rotatablely connected with the upper side wall body phase of storage bin, drive device, the upside of the separation tube is installed on the upside of the storage bin
The downside wall body of wall body and storage bin is connected by blanking port, and the right side wall body of the separation tube is fixedly embedded some splicings
Cover plate, the bottom of the separation tube are fixedly connected with picking-up container, and the inside of picking-up container is fixedly connected with dividing plate, and dividing plate is by picking-up container
Inside be separated into some splicing rooms, splicing room is corresponding with the quantity of splicing cover plate, and the bottom of the splicing cover plate is fixed and connect
Material blanking tube is connected with, the lower end of material blanking tube is diffracted into corresponding splicing room respectively, and the bottom of the separation tube is provided with fixed case,
Fixed case is internally provided with inclination screen drum, and the surface for tilting screen drum uniformly offers some air-vents, tilts the surface of screen drum
Centre is fixedly connected with swivel becket, and the tilt rotation cylinder inside swivel becket offers gap, the surface of the swivel becket
Some charging holes are uniformly offered, the retainer ring being mutually fixedly connected with the inwall of fixed case is provided with the outside of swivel becket, it is described
Swivel becket rotates with retainer ring and is connected, and the top of the retainer ring, which is fixed to connect, the feed pipe for extending fixed case, charging
Manage has the discharge nozzle for extending fixed lower box part, institute with the mutually fixed connection of the bottom of separation tube, the bottom fixation connection of retainer ring
The left and right sides for stating inclination screen drum has been respectively fixedly connected with Rotational Cylindrical, and the surface of the fixed case is provided with the second motor, the second electricity
The output end of machine is mutually fixedly connected with one of Rotational Cylindrical, and air blower is installed with the fixed case, and air blower goes out
Wind end is fixedly connected with more siphunculus, and remaining branched pipe of more siphunculus is fixed with the left side wall body phase of separation tube respectively to be connected, more logical
The not-go-end of remaining branched pipe of pipe is corresponding with the position of splicing cover plate respectively.
As further program of the utility model：The drive device includes being fixedly mounted on the first of storage bin top
Motor, fixedly sleeved driving gear on the output shaft of the first motor and fixedly sleeved in first rotating shaft, the second rotating shaft respectively
On driven gear, the driving gear and driven gear are meshed connection.
As the utility model further scheme：Coincided positioned at the axis of the Rotational Cylindrical of the left and right sides and
Rotate and be connected with fixed case respectively.
As the utility model further scheme：Hard seal ball valve is installed on the discharge nozzle.
As the utility model further scheme：Variable air rate is separately installed with remaining branched pipe of more siphunculus
Valve.
As the utility model further scheme：The downside wall body of the fixed case, which fixes connection, drainage conduit.
As the utility model further scheme：Remaining branched pipe of more siphunculus inside separation tube
Not-go-end is provided with shower nozzle.
As the utility model further scheme：The hemispherical shape of splicing cover plate.
As the utility model further scheme：The side wall of the storage bin offers charging aperture.
Compared with prior art, the beneficial effects of the utility model are：Solidifying soil is dried aggregate and is stirred in storage bin, because
This makes concrete dry aggregate easily by blanking port, avoids producing the situation that concrete dries aggregate blocking blanking port, coagulation
Soil is dried aggregate and entered in separation tube, due to the effect of variable air rate valve, makes the jet amount and jet of shower nozzle from top to down
Intensity is different, therefore concrete drying aggregate after the jet effect of shower nozzle several times, is made the mixed of variable grain weight again
Solidifying soil is dried aggregate and is collected into different splicing cover plates, carries out classification sorting, and the particle of heavier-weight is blown due to shower nozzle
Rise and mobile apart from unobvious, it is difficult to using selection by winnowing sub-material, therefore the heavier particle of final weight is entered and tilted in screen drum,
Starting the second motor by external switch rotates inclination screen drum, then the particulate material for entering inclination screen drum does not stop left and right back and forth
Roll, make screening effect obvious.
Brief description of the drawings
Fig. 1 is the structural representation that a kind of concrete dries aggregate continuous multi-stage separation and classifying device；
Fig. 2 be Fig. 1 described in separation and classifying device in storage bin structural representation；
Fig. 3 be Fig. 1 described in separation and classifying device in line A-A schematic cross-sectional view.
Embodiment
The technical scheme of this patent is described in more detail with reference to embodiment.
Fig. 1-3 are referred to, a kind of concrete dries aggregate continuous multi-stage separation and classifying device, including storage bin 1, the first spiral shell
Vane piece 4, the second helical blade 5, drive device, separation tube 10, splicing cover plate 11, air blower 26, picking-up container 13, fixed case 16
With inclination screen drum 17, the top of the separation tube 10 is fixedly connected with storage bin 1, and storage bin 1 is internally provided with first rotating shaft 2
With the second rotating shaft 3, the surface of the rotating shaft 3 of first rotating shaft 2 and second has been respectively fixedly connected with the first helical blade 4 and the second spiral shell
The hand of spiral of vane piece 5, the first helical blade 4 and the second helical blade 5 is on the contrary, the rotating shaft 3 of the first rotating shaft 2 and second divides
Do not extend the upside of storage bin 1 and the rotating shaft 3 of first rotating shaft 2 and second and the upper side wall body phase of storage bin 1 are rotatablely connected, it is described
The upside of storage bin 1 is provided with drive device, and the upside wall body of the separation tube 10 and the downside wall body of storage bin 1 pass through blanking
Mouth is connected, and the right side wall body of the separation tube 10 is fixedly embedded some splicing cover plates 11, and the bottom of the separation tube 10 is consolidated
Surely picking-up container 13 is connected with, the inside of picking-up container 13 is fixedly connected with dividing plate 14, and the inside of picking-up container 13 is separated into by dividing plate 14
Some splicing rooms 15, splicing room 15 is corresponding with the quantity of splicing cover plate 11, and the bottom of the splicing cover plate 11, which fixes connection, to be had
Material blanking tube 12, the lower end of material blanking tube 12 are diffracted into corresponding splicing room 15 respectively, and the bottom of the separation tube 10 is provided with admittedly
Determine case 16, being internally provided with for fixed case 16 tilts screen drum 17, and the surface for tilting screen drum 17 uniformly offers some air-vents 18,
Tilt and be fixedly connected with swivel becket 20 among the surface of screen drum 17, the tilt rotation cylinder 17 inside swivel becket 20 offers disconnected
Place is opened, the surface of the swivel becket 20 uniformly offers some charging holes 21, and the outside of swivel becket 20 is provided with and fixed case 16
The retainer ring 19 that is mutually fixedly connected of inwall, the swivel becket 20 rotates with retainer ring 19 to be connected, the retainer ring 19 it is upper
Portion, which fixes to connect, the feed pipe 22 for extending fixed case 16, the bottom mutually fixed connection of feed pipe 22 and separation tube 10, fixed
The bottom of ring 19, which is fixed to connect, the discharge nozzle 23 for extending the bottom of fixed case 16, and the left and right sides for tilting screen drum 17 is solid respectively
Surely Rotational Cylindrical is connected with, the surface of the fixed case 16 is provided with the second motor, and the output end of the second motor turns with one of them
Dynamic post is mutually fixedly connected, and is installed with air blower 26 on the fixed case 16, and the outlet air end of air blower 26 is fixedly connected with more
Siphunculus 27, remaining branched pipes of more siphunculus 27 are fixed with the left side wall body phase of separation tube 10 connect respectively, more siphunculus 27 remaining
The not-go-end of branched pipe is corresponding with the position of splicing cover plate 11 respectively；Concrete dries aggregate and is injected into storing by charging aperture 6
In storehouse 1, the first motor 9 is started by external switch, driving gear 7 drives driven gear 8 to be rotated, so that first turn
Axle 2 drives the first helical blade to rotate 4, and the second rotating shaft 3 drives the second helical blade 5 to be rotated, due to the first helical blade 4
The hand of spiral with the second helical blade 5 is on the contrary, therefore concrete drying aggregate is stirred in storage bin 1, therefore make coagulation
Soil dries aggregate easily by blanking port, avoids producing the situation that concrete dries aggregate blocking blanking port, concrete dries bone
Material is entered in separation tube 10, due to the effect of variable air rate valve 28, makes the jet amount and jet intensity of shower nozzle from top to down
Difference, therefore concrete drying aggregate after the jet effect of shower nozzle 29 several times, is made the coagulation of variable grain weight again
Soil is dried aggregate and is collected into different splicing cover plates 11, carries out classification sorting, and the particle of heavier-weight is blown due to shower nozzle
Rise and mobile apart from unobvious, it is difficult to which using selection by winnowing sub-material, therefore the heavier particle of final weight enters and tilts screen drum 17
Interior, starting the second motor by external switch rotates inclination screen drum 17, then 17 particulate materials for entering inclination screen drum are not stopped
Left and right reciprocating rolling, make screening effect obvious；The drive device include be fixedly mounted on the top of storage bin 1 the first motor 9,
The fixedly sleeved driving gear 7 on the output shaft of the first motor 9 and fixedly sleeved in first rotating shaft 2, the second rotating shaft 3 respectively
Driven gear 8, the driving gear 7 and driven gear 8 are meshed connection；Positioned at the axis of the Rotational Cylindrical of the left and right sides
Coincide and rotated respectively with fixed case 16 and is connected；Hard seal ball valve 24 is installed on the discharge nozzle 23；It is described more logical
Variable air rate valve 28 is separately installed with remaining branched pipe of pipe 27；The downside wall body of the fixed case 16, which fixes connection, discharge
Pipe 25；The not-go-end of remaining branched pipe of more siphunculus 27 inside separation tube 10 is provided with shower nozzle 29；The collecting shade
11 hemispherical shape of plate；The side wall of the storage bin 1 offers charging aperture 6.
Operation principle of the present utility model is：Concrete is dried aggregate and is injected into by charging aperture 6 in storage bin 1, passes through
External switch starts the first motor 9, and driving gear 7 drives driven gear 8 to be rotated, so that first rotating shaft 2 drives the
One helical blade rotates 4, and the second rotating shaft 3 drives the second helical blade 5 to be rotated, due to the first helical blade 4 and the second spiral shell
The hand of spiral of vane piece 5 is on the contrary, therefore concrete drying aggregate is stirred in storage bin 1, therefore concrete is dried bone
Material avoids producing the situation that concrete dries aggregate blocking blanking port, concrete is dried aggregate and entered easily by blanking port
In separation tube 10, due to the effect of variable air rate valve 28, make the jet amount of shower nozzle from top to down and jet intensity different, therefore
Concrete drying aggregate is set after the jet effect of shower nozzle 29 several times, the concrete of variable grain weight is dried aggregate again
It is collected into different splicing cover plates 11, carries out classification sorting, and the particle of heavier-weight is mobile because shower nozzle is blown afloat
Apart from unobvious, it is difficult to which using selection by winnowing sub-material, therefore the heavier particle of final weight is entered and tilted in screen drum 17, by external
Switch start the second motor and rotate inclination screen drum 17, then enter and tilt 17 particulate materials of screen drum and do not stop the reciprocal rolling in left and right
It is dynamic, make screening effect obvious.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " is set in description of the present utility model
Put ", " connected " and " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or one
Ground connects；Can be joined directly together, can also be indirectly connected by intermediary, can be the connection of two element internals.It is right
For one of ordinary skill in the art, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
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 those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (9)
1. a kind of concrete dries aggregate continuous multi-stage separation and classifying device, including storage bin, the first helical blade, the second spiral
Blade, drive device, separation tube, splicing cover plate, air blower, picking-up container, fixed case and inclination screen drum, it is characterised in that described
The top of separation tube is fixedly connected with storage bin, and storage bin is internally provided with first rotating shaft and the second rotating shaft, described first turn
The surface of axle and the second rotating shaft has been respectively fixedly connected with the first helical blade and the second helical blade, the first helical blade and second
The hand of spiral of helical blade is on the contrary, the first rotating shaft and the second rotating shaft each extend over out upside and the first rotating shaft of storage bin
It is rotatablely connected with the upper side wall body phase of the second rotating shaft and storage bin, drive device is installed on the upside of the storage bin, described point
The upside wall body of cylinder and the downside wall body of storage bin is selected to be connected by blanking port, the right side wall body of the separation tube is fixedly embedded
There are some splicing cover plates, the bottom of the separation tube is fixedly connected with picking-up container, and the inside of picking-up container is fixedly connected with dividing plate, every
The inside of picking-up container is separated into some splicing rooms by plate, and splicing room is corresponding with the quantity of splicing cover plate, the splicing cover plate
Connection is fixed in bottom material blanking tube, and the lower end of material blanking tube is diffracted into corresponding splicing room respectively, and the bottom of the separation tube is set
Fixed case is equipped with, fixed case is internally provided with inclination screen drum, and the surface for tilting screen drum uniformly offers some air-vents, tilts
Swivel becket is fixedly connected among the surface of screen drum, the tilt rotation cylinder inside swivel becket offers gap, described turn
The surface of rotating ring uniformly offers some charging holes, is provided with the outside of swivel becket and consolidates with what the inwall of fixed case was mutually fixedly connected
Determine ring, the swivel becket rotates with retainer ring to be connected, and the top of the retainer ring, which is fixed to connect to have, extends entering for fixed case
Expects pipe, the bottom mutually fixed connection of feed pipe and separation tube, the bottom of retainer ring, which is fixed to connect to have, extends fixed lower box part
Discharge nozzle, the left and right sides for tilting screen drum have been respectively fixedly connected with Rotational Cylindrical, and the surface of the fixed case is provided with the second electricity
Machine, the output end of the second motor are mutually fixedly connected with one of Rotational Cylindrical, and air blower is installed with the fixed case, drum
The outlet air end of blower fan is fixedly connected with more siphunculus, and remaining branched pipe of more siphunculus is fixed with the left side wall body phase of separation tube respectively to be connect
Logical, the not-go-end of remaining branched pipe of more siphunculus is corresponding with the position of splicing cover plate respectively.
2. concrete according to claim 1 dries aggregate continuous multi-stage separation and classifying device, it is characterised in that the drive
Dynamic device includes being fixedly mounted on first motor on storage bin top, the fixedly sleeved driving tooth on the output shaft of the first motor
Take turns and the fixedly sleeved driven gear in first rotating shaft, the second rotating shaft, the driving gear and driven gear are meshed respectively
Connection.
3. concrete according to claim 1 dries aggregate continuous multi-stage separation and classifying device, it is characterised in that positioned at a left side
The axis of the Rotational Cylindrical of right both sides, which coincides and rotated respectively with fixed case, to be connected.
4. concrete according to claim 1 dries aggregate continuous multi-stage separation and classifying device, it is characterised in that it is described go out
Hard seal ball valve is installed in expects pipe.
5. concrete according to claim 1 dries aggregate continuous multi-stage separation and classifying device, it is characterised in that described more
Variable air rate valve is separately installed with remaining branched pipe of siphunculus.
6. concrete according to claim 1 dries aggregate continuous multi-stage separation and classifying device, it is characterised in that described solid
The downside wall body fixation connection for determining case has drainage conduit.
7. concrete according to claim 1 dries aggregate continuous multi-stage separation and classifying device, it is characterised in that positioned at point
Select the not-go-end of remaining branched pipe of more siphunculus inside cylinder that shower nozzle is installed.
8. concrete according to claim 1 dries aggregate continuous multi-stage separation and classifying device, it is characterised in that described to connect
Expect the hemispherical shape of cover plate.
9. concrete according to claim 1 dries aggregate continuous multi-stage separation and classifying device, it is characterised in that the storage
The side wall of feed bin offers charging aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721069270.3U CN207188217U (en) | 2017-08-24 | 2017-08-24 | A kind of concrete dries aggregate continuous multi-stage separation and classifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721069270.3U CN207188217U (en) | 2017-08-24 | 2017-08-24 | A kind of concrete dries aggregate continuous multi-stage separation and classifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207188217U true CN207188217U (en) | 2018-04-06 |
Family
ID=61794737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721069270.3U Expired - Fee Related CN207188217U (en) | 2017-08-24 | 2017-08-24 | A kind of concrete dries aggregate continuous multi-stage separation and classifying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207188217U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111359880A (en) * | 2020-03-26 | 2020-07-03 | 王兰兰 | Foaming insulation board manufacturing system |
-
2017
- 2017-08-24 CN CN201721069270.3U patent/CN207188217U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111359880A (en) * | 2020-03-26 | 2020-07-03 | 王兰兰 | Foaming insulation board manufacturing system |
| CN111359880B (en) * | 2020-03-26 | 2021-03-05 | 杭州昌正塑胶板业有限公司 | Foaming insulation board manufacturing system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110090855A (en) | A kind of environmentally protective decoration garbage sorting recycling comprehensive utilization device | |
| CN108284066B (en) | Civil engineering is with categorised garrulous husky sieve sand machine | |
| CN107457180A (en) | A kind of concrete dries aggregate continuous multi-stage separation and classifying device | |
| CN104741174A (en) | Ceramic ball mill with discharging classifying screen | |
| CN203525766U (en) | Continuous multi-stage air-separation grading system of dry aggregates for concrete | |
| CN204996720U (en) | Multistage variable speed seed sieve separator | |
| CN203525767U (en) | Energy-saving environment-friendly winnowing and grading system for concrete dried aggregate | |
| CN205008047U (en) | Carry over ceramic ball mill of material classifying screen out of | |
| CN207188217U (en) | A kind of concrete dries aggregate continuous multi-stage separation and classifying device | |
| CN203209296U (en) | Multistage rotary screening machine | |
| CN107377163A (en) | A kind of cement material flour mill | |
| CN208049555U (en) | A kind of solid-liquid separating machine | |
| CN104923330B (en) | Wholemeal processing unit (plant) and whole wheat flour producing process | |
| CN208679740U (en) | A kind of river sand screening plant for concrete on construction site stirring | |
| CN206567224U (en) | A kind of screening plant of dry seed | |
| CN206567099U (en) | A kind of drying centrifuge of intermediate material | |
| CN113117793B (en) | Cement caking waste grinding device and use method thereof | |
| CN213557483U (en) | Feeding device for chemical product processing | |
| CN103521445A (en) | Concrete dry aggregate continuous multistage air classification method | |
| CN211803668U (en) | Sand mixing device for hardware production and casting machine | |
| CN107309056A (en) | A kind of cement material grinding system | |
| CN209646998U (en) | A kind of chemical raw material grain sorting structure | |
| CN109604162B (en) | Plastic master batch screening device | |
| CN208824731U (en) | A kind of raw mill powder concentrator | |
| CN206981208U (en) | Plastic grain dewaterer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180406 Termination date: 20180824 |