CN109433587A - A kind of feed material screening equipment for being scraped based on air bag and hitting water supply - Google Patents
A kind of feed material screening equipment for being scraped based on air bag and hitting water supply Download PDFInfo
- Publication number
- CN109433587A CN109433587A CN201811271104.0A CN201811271104A CN109433587A CN 109433587 A CN109433587 A CN 109433587A CN 201811271104 A CN201811271104 A CN 201811271104A CN 109433587 A CN109433587 A CN 109433587A
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- CN
- China
- Prior art keywords
- air bag
- feed
- scraped
- sieve pore
- water supply
- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N17/00—Apparatus specially adapted for preparing animal feeding-stuffs
- A23N17/008—Apparatus specially adapted for preparing animal feeding-stuffs for treating of silage, e.g. upgrading with water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
- B07B1/52—Cleaning with brushes or scrapers
- B07B1/526—Cleaning with brushes or scrapers with scrapers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a kind of to scrape based on air bag and hit the feed material screening equipment of water supply, and structure includes base, vibrating motor, storage container, spring, sieve, discharge port, dustproof cover, feed inlet.The utility model has the advantages that the present invention passes through the mutual cooperation of the air bag and suction machine that are equipped with, so that the water inside screen frame has certain impact force under the effect back and forth that air bag inflation is cooled down to overflow by pore, there is certain moisture supplementary function to feed, the moisture for enabling it to lose during because of strenuous vibration supplements, to keep the original form of feed.Circle is scraped using what the inside for scraping mechanism was equipped with, the feed that sieve pore inner wall sticks effectively is scraped, realize that feed can carry out gradation sizing according to the diameter of itself, avoid sieve pore feed because intrinsic viscosity feature in strenuous vibration during it is attached on inside sieve pore, stick that object is more and more so that screen-aperture becomes smaller so as to cause its sieve pore.
Description
Technical field
The present invention relates to feed material screening equipment fields, more precisely, be it is a kind of scraped based on air bag and hit to
The feed material screening equipment of water.
Background technique
As agricultural and its domesticated animal type of animal husbandry are more and more various, and required feed demand is also gradual
Increase, feed of different types of animal needed for it be it is different, it is needed for some ruminants, horse and aquatic bird
The higher green forage of water content, and such feed its raw material is usually the rhizome melon and fruit class of herbage class, leaf vegetables, non-starchy
Deng, the raw material of such feed is when carrying out sizing screening, the water properties having by itself, moisture be easier to screening machine play
Part or evaporation are thrown out of under strong shock effect, so that its water content of manufactured feed is lower after screening and mouthfeel is insufficient
Phenomenon, and the situation more because of its own moisture, when being some chance water then more sticky material being screened together, moisture
Easily make sticky material by sieve pore screening when be attached on sieve pore inner wall so that sieve pore inner wall stick it is more and more, thus
Accumulation is formed so that sieve diameter is smaller and smaller, and material can not effectively be sieved in screening according to diameter itself size
Choosing, the material that classifying screen is selected then screen unevenness.
Summary of the invention
The feeding of water supply is scraped and hit based on air bag in view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of
Material material screening equipment, with solve the prior art feed raw material when carrying out sizing screening, the water that has by itself
Intrinsic, moisture is easier to be thrown out of part or evaporation in the case where screening machine strenuous vibration acts on, so that being made after screening
Feed its water content is lower and the insufficient phenomenon of mouthfeel, and the situation more because of its own moisture is that some chance water are then relatively viscous
When thick material is screened together, moisture easily makes sticky material be attached on sieve pore inner wall when screening by sieve pore, thus
So that sieve pore inner wall sticks more and more, to form accumulation so that sieve diameter is smaller and smaller, and material can not in screening
It is effectively screened according to diameter itself size, the material that classifying screen is selected then screens unevenness.Defect.
To achieve the goals above, the present invention is to realize by the following technical solutions:
A kind of feed material screening equipment for being scraped based on air bag and hitting water supply, structure include base, vibration electricity
Machine, storage container, spring, sieve, discharge port, dustproof cover, feed inlet, the vibrating motor lower part are installed on base internal upper part,
The storage container sets there are four altogether and is connected respectively by fastening, and the storage container lower part is connected with base by spring
It connects and is electrically connected with vibrating motor, the sieve sets there are three altogether and is respectively arranged in storage container connection, the discharging
Mouth, which sets there are four altogether and is set to the electric welding of storage container left and right sides acetone in staggered respectively, to be connected, and the feed inlet is installed on anti-
In the middle part of dirt cap upper surface, the feed inlet is integrated with dustproof cover, and the sieve includes screen frame, suction structure, scrapes
Mechanism, suction machine, the suction structure are set to inside screen frame and are connected with mechanism is scraped, and the suction machine is embedded at screen frame one
It is connected inside side and with suction structure.
As further scheme of the invention, its inside of the screen frame is in hollow structure and it is with a thickness of 1.5cm, the sieve
Frame upper surface is distributed with several pores.
As further scheme of the invention, it is installed with water inside the screen frame, realizes and the timely moisture of feed is supplemented,
Keep its best mouthfeel.
As the present invention, further scheme, the suction structure include total pipeline, branch pipe(tube), air bag, the total pipeline
One end is connected with suction machine by gluing, and the branch pipe(tube) is equipped with several, and the air bag is equipped with several and distribution passes through
Branch pipe(tube) is connected with total pipeline, the air bag with scrape mechanism by winding be connected, using suction structure to the work of air bag
With so that scraping circle can be moved back and forth under its effect, while to the water inside screen frame have it is certain it is upper under carry out repercussion
Power makes it through pore exudation, the supplement of moisture is carried out to dry feed.
As the present invention, further scheme, the air bag are inflated condition, and the convenient getter action in suction machine pulls down
The dynamic mechanism that scrapes carries out scraping back and forth up and down.
As the present invention, further scheme, the mechanism that scrapes include sieve pore, scrape circle, movable pulley, fixed pulley, rope,
The sieve pore is equipped with several and is respectively arranged on screen frame surface and is integrated, and the circle of scraping is equipped with several and pacifies respectively
Loaded on being bonded inside sieve pore and with it, the movable pulley be equipped with several and respectively in pairs with scrape circle and be connected by fastening
It connects, the fixed pulley is equipped with several and is respectively in be respectively arranged in sieve pore internal upper part, described rope one end and shifting in pairs
Driving wheel winding is connected and the other end is connected around fixed pulley with cell wraps, is conducive to scrape the automatic of sieve pore clearly, improves
The percent of pass of its feed screening.
As the present invention further scheme, the circle of scraping is made of two symmetrical triangle circles, its described vertical edges with
The fitting of sieve pore inner wall realizes that the feed that lump is formed after dry to sieve pore inner wall is scraped back and forth up and down.
As the present invention further scheme, the sieve pore inner wall line of symmetry is equipped with and mobile wheel diameter is identical opens vertically
Mouthful, it is moved easily wheel and assists to scrape circle and moved back and forth.
Invention beneficial effect
Relatively in traditional feed material sieving and grading equipment, the invention has the following advantages:
The present invention passes through the mutual cooperation of the air bag and suction machine that are equipped with, so that the water inside screen frame is cooled down in air bag inflation
Effect back and forth it is lower with certain impact force to be overflowed by pore, to feed with certain moisture supplementary function, make
Its moisture lost during because of strenuous vibration is supplemented, to keep the original form of feed.
The present invention scrapes circle using what the inside for scraping mechanism was equipped with, is effectively scraped to the feed that sieve pore inner wall sticks
Clearly, it realizes that feed can carry out gradation sizing according to the diameter of itself, avoids sieve pore in feed because the feature of intrinsic viscosity is violent
It is attached on inside sieve pore during vibration, sticks that object is more and more so that screen-aperture becomes smaller so as to cause its sieve pore.
Detailed description of the invention
By reading referring to attached drawing detailed description of non-limiting embodiments, other feature of the invention, purpose
It will be become more apparent upon with advantage.
In the accompanying drawings:
Fig. 1 is a kind of structural representation for the feed material screening equipment for being scraped based on air bag and hitting water supply of the present invention
Figure.
Fig. 2 is a kind of plan structure plan view of sieve of the present invention.
Fig. 3 is a kind of partial enlargement structural representation of sieve of the present invention.
Fig. 4 faces sectility structural schematic diagram for a kind of sieve of the present invention.
In figure: base -1, vibrating motor -2, storage container -3, spring -4, sieve -5, discharge port -6, dustproof cover -7, into
Material mouth -8, suction structure -51, scrapes mechanism -52, suction machine -53, pore -501, total pipeline -510, branch pipe(tube)-at screen frame -50
511, air bag -512, sieve pore -520, scrape circle -521, movable pulley -522, fixed pulley -523, rope -524.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
As Figure 1-Figure 4, the present invention provide it is a kind of scraped based on air bag and hit water supply feed material screening set
Standby technical solution:
As Figure 1-Figure 2, a kind of feed material screening equipment for being scraped based on air bag and hitting water supply, structure packet
It includes including base 1, vibrating motor 2, storage container 3, spring 4, sieve 5, discharge port 6, dustproof cover 7, feed inlet 8, the vibration
2 lower part of motor is installed on 1 internal upper part of base, and the storage container 3 sets there are four altogether and is connected respectively by fastening, the storage
It deposits 3 lower part of container to be connected with base 1 by spring 4 and be electrically connected with vibrating motor 2, the sieve 5 sets there are three altogether and divides
It is not installed on 3 connection of storage container, the discharge port 6 sets there are four altogether and is set to 3 left side of storage container in staggered respectively
Acetone electric welding in right side is connected, and the feed inlet 8 is installed on 7 upper surface middle part of dustproof cover, and the feed inlet 8 is with dustproof cover 7
Integral structure, the sieve 5 include screen frame 50, suction structure 51, scrape mechanism 52, suction machine 53, the suction structure 51
It is connected set on 50 inside of screen frame and with mechanism 52 is scraped, the suction machine 53 is embedded inside 50 side of screen frame and ties with suction
Structure 51 is connected.
As shown in figure 3, its inside of the screen frame 50 is in hollow structure and it is with a thickness of 1.5cm, 50 upper surface of screen frame
It is distributed with several pores 501.
As shown in Fig. 2-Fig. 3, it is installed with water inside the screen frame 50, realizes and the timely moisture of feed is supplemented, keep it
Best mouthfeel.
As shown in figure 4, the suction structure 51 includes total pipeline 510, branch pipe(tube) 511, air bag 512, the total pipeline 510
One end is connected with suction machine 53 by gluing, the branch pipe(tube) 511 be equipped with several, the air bag 512 be equipped with several and
Distribution is connected by branch pipe(tube) 511 with total pipeline 510, the air bag 512 with scrape mechanism 52 and be connected by winding, utilization
Effect of the suction structure 51 to air bag 512, so that scraping circle 521 can be moved back and forth under its effect, while in screen frame 50
The water in portion has certain impact force back and forth up and down, makes it through the exudation of pore 501, the benefit of moisture is carried out to dry feed
It fills.
As shown in figure 4, the air bag 512 is inflated condition, convenient pull under the getter action of suction machine 53 scrapes machine
Structure 52 carries out scraping back and forth up and down.
As shown in figure 4, the mechanism 52 that scrapes includes sieve pore 520, scrapes circle 521, movable pulley 522, fixed pulley 523, rope
524, the sieve pore 520 is equipped with several and is respectively arranged on 50 surface of screen frame and is integrated, if the circle 521 of scraping is equipped with
It does a and is respectively arranged in 520 inside of sieve pore and is bonded with it, the movable pulley 522 is equipped with several and respectively in pairs
It is connected with circle 521 is scraped by fastening, the fixed pulley 523 is equipped with several and is respectively in be respectively arranged in sieve pore in pairs
520 internal upper parts, described 524 one end of rope is connected with the winding of movable pulley 522 and the other end is around fixed pulley 523 and air bag 512
Winding is connected, and is conducive to scrape the automatic of sieve pore 520 clearly, improves the percent of pass of its feed screening.
As shown in figure 4, the circle 521 of scraping is made of two symmetrical triangle circles, its described vertical edges and 520 inner wall of sieve pore
Fitting realizes that the feed that lump is formed after dry to 520 inner wall of sieve pore is scraped back and forth up and down.
As shown in figure 4, the 520 inner wall line of symmetry of sieve pore is equipped with vertical opening identical with 522 diameter of movable pulley, it is convenient
The assistance of movable pulley 522 is scraped circle 521 and is moved back and forth.
In conclusion being realized using the mutual cooperation for scraping mechanism 52 and suction structure 51 by the water that pore 501 overflows
Wet cleaning is carried out to the feed that 50 surface of screen frame has become solid, and the feed of the lack of moisture in the case where strenuous vibration acts on is carried out
The supplement of moisture makes its keep original form, at the same by scrape circle 521 under the action of air bag 512 to 520 inner wall of sieve pore into
Row scraping back and forth avoids it from causing material screening uneven because of the blocking of hole caused by the sticking of feed.
It is as follows that it implements principle: the more wet material of required screening being poured into from feed inlet 8, is being vibrated
Under the action of motor 2 whole equipment is vibrated, screening in layer is carried out by the pore size of material, and sieves
Later material then passes through discharge port 6 and pours out, and realizes the screening of material, material by sieve 5 when being sieved, suction machine 53
Then is powered as equipment starts, by total pipeline 510 to air bag 512 with certain suction release action, air bag 512 by
To from suction machine 53 pumping and aeration under carry out folding and unfolding effect, and the pumping of air bag 512, inflation one are received and one are filled to sieve
Water inside frame 50 has certain impact force, so that water ripples inside it, and has by pore 501 to 50 surface of screen frame
Stick and be in solid material carry out it is wet simultaneously to material because the moisture under strenuous vibration effect inside it is thrown out of thus
The material of water shortage carries out certain moisture supplement, so that it is kept original form and mouthfeel, and have by rope 524 to circle 521 is scraped
There is certain pulling function back and forth up and down, is attached on material inside sieve pore 520 and is being scratched effect back and forth by scrape circle 521
Under, stick object and then fall off, from realizing that material can be sieved well according to diameter itself size by sieve pore 520, avoids
It is cumulative so as to cause blocking that sieve pore 520 sticks object, and material can not also be sieved according to the diameter of itself so as to cause
Sieve non-uniform phenomenon.
Problems solved by the invention is the raw material of the class feed of the prior art when carrying out sizing screening, because itself has
Water properties, moisture be easier to screening machine strenuous vibration act under be thrown out of part or evaporation so that screening after
Its water content of manufactured feed is lower and the insufficient phenomenon of mouthfeel, and the situation more because of its own moisture, is some chance water then
When more sticky material is screened together, moisture easily makes sticky material be attached on sieve pore inner wall when screening by sieve pore,
So that sieve pore inner wall sticks more and more, to form accumulation so that sieve diameter is smaller and smaller, and material is in screening
It can not effectively be screened according to diameter itself size, the material that classifying screen is selected then screens unevenness, and the present invention passes through above-mentioned
Component is combined with each other, and the present invention passes through the mutual cooperation of the air bag and suction machine that are equipped with, so that the water inside screen frame is in air bag
It inflates under the effect back and forth cooled down with certain impact force to be overflowed by pore, there is certain moisture supplement to feed
Effect, the moisture for enabling it to lose during because of strenuous vibration supplements, to keep the original form of feed.Using scraping
What the inside of mechanism was equipped with scrapes circle, is effectively scraped to the feed that sieve pore inner wall sticks, realize feed can according to itself
Diameter carry out gradation sizing, avoid sieve pore feed because intrinsic viscosity feature in strenuous vibration during it is attached in sieve pore
Portion, sticks that object is more and more so that screen-aperture becomes smaller so as to cause its sieve pore.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (8)
1. a kind of feed material screening equipment for being scraped based on air bag and hitting water supply, structure includes base (1), vibration electricity
Machine (2), storage container (3), spring (4), sieve (5), discharge port (6), dustproof cover (7), feed inlet (8), it is characterised in that: institute
It states vibrating motor (2) lower part and is installed on base (1) internal upper part, the storage container (3) sets there are four altogether and passes through fastening respectively
It is connected, storage container (3) lower part is connected and is electrically connected with vibrating motor (2), institute by spring (4) with base (1)
Sieve (5) is stated to set altogether there are three and be respectively arranged in storage container (3) connection, the discharge port (6) set altogether there are four and
It is set to the electric welding of storage container (3) left and right sides acetone in staggered respectively to be connected, the feed inlet (8) is installed on dustproof cover (7)
Upper surface middle part, the feed inlet (8) are integrated with dustproof cover (7).
The sieve (5) includes screen frame (50), suction structure (51), scrapes mechanism (52), suction machine (53), the suction structure
(51) it is set to screen frame (50) inside and is connected with mechanism (52) is scraped, the suction machine (53) is embedded in screen frame (50) side
Portion is simultaneously connected with suction structure (51).
2. a kind of feed material screening equipment for being scraped based on air bag and hitting water supply according to claim 1, special
Sign is: its inside of the screen frame (50) is in hollow structure and it is with a thickness of 1.5cm, and screen frame (50) upper surface is distributed with
Several pores (501).
3. a kind of feed material screening equipment for being scraped based on air bag and hitting water supply according to claim 2, special
Sign is: being installed with water inside the screen frame (50).
4. a kind of feed material screening equipment for being scraped based on air bag and hitting water supply according to claim 1, special
Sign is: the suction structure (51) includes total pipeline (510), branch pipe(tube) (511), air bag (512), the total pipeline (510)
One end is connected with suction machine (53) by gluing, and the branch pipe(tube) (511) is equipped with several, and the air bag (512) is if be equipped with
Dry a and distribution is connected by branch pipe(tube) (511) with total pipeline (510), and the air bag (512) passes through with mechanism (52) is scraped
Winding is connected.
5. a kind of feed material screening equipment for being scraped based on air bag and hitting water supply according to claim 4, special
Sign is: the air bag (512) is inflated condition.
6. a kind of feed material screening equipment for being scraped based on air bag and hitting water supply according to claim 1 or 4,
Be characterized in that: the mechanism (52) that scrapes includes sieve pore (520), scrapes circle (521), movable pulley (522), fixed pulley (523), rope
(524), the sieve pore (520) is equipped with several and is respectively arranged on screen frame (50) surface and is integrated, described to scrape circle
(521) several are equipped with and is respectively arranged in sieve pore (520) inside and is bonded with it, the movable pulley (522) is equipped with several
And respectively in pairs with scrape circle (521) by fasten be connected, the fixed pulley (523) be equipped with several and respectively be in two
Two 1 groups are respectively arranged in sieve pore (520) internal upper part, and described rope (524) one end is connected and separately with movable pulley (522) winding
One end is connected around fixed pulley (523) with air bag (512) winding.
7. a kind of feed material screening equipment for being scraped based on air bag and hitting water supply according to claim 6, special
Sign is: the circle (521) of scraping is made of two symmetrical triangle circles, its described vertical edges are bonded with sieve pore (520) inner wall.
8. a kind of feed material screening equipment for being scraped based on air bag and hitting water supply according to claim 1, special
Sign is: sieve pore (520) the inner wall line of symmetry is equipped with vertical opening identical with movable pulley (522) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811271104.0A CN109433587A (en) | 2018-10-29 | 2018-10-29 | A kind of feed material screening equipment for being scraped based on air bag and hitting water supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811271104.0A CN109433587A (en) | 2018-10-29 | 2018-10-29 | A kind of feed material screening equipment for being scraped based on air bag and hitting water supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109433587A true CN109433587A (en) | 2019-03-08 |
Family
ID=65549290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811271104.0A Withdrawn CN109433587A (en) | 2018-10-29 | 2018-10-29 | A kind of feed material screening equipment for being scraped based on air bag and hitting water supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109433587A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112893133A (en) * | 2021-01-22 | 2021-06-04 | 熊仁琴 | Rice processing is with saving rice raw materials and circulation treatment facility |
| CN117548338A (en) * | 2024-01-11 | 2024-02-13 | 山西园区建设发展集团有限公司 | Closed vibration screening device for concrete mixing |
-
2018
- 2018-10-29 CN CN201811271104.0A patent/CN109433587A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112893133A (en) * | 2021-01-22 | 2021-06-04 | 熊仁琴 | Rice processing is with saving rice raw materials and circulation treatment facility |
| CN117548338A (en) * | 2024-01-11 | 2024-02-13 | 山西园区建设发展集团有限公司 | Closed vibration screening device for concrete mixing |
| CN117548338B (en) * | 2024-01-11 | 2024-03-29 | 山西园区建设发展集团有限公司 | Closed vibration screening device for concrete mixing |
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Application publication date: 20190308 |