CN110000085A - A kind of alfalfa cultivation organic fertilizer filtering separation device - Google Patents
A kind of alfalfa cultivation organic fertilizer filtering separation device Download PDFInfo
- Publication number
- CN110000085A CN110000085A CN201910405024.8A CN201910405024A CN110000085A CN 110000085 A CN110000085 A CN 110000085A CN 201910405024 A CN201910405024 A CN 201910405024A CN 110000085 A CN110000085 A CN 110000085A
- Authority
- CN
- China
- Prior art keywords
- separating plate
- organic fertilizer
- separation device
- separator box
- filtering separation
- 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.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
-
- 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
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for 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
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4663—Multi-layer screening surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- 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
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Abstract
The present invention discloses a kind of alfalfa cultivation organic fertilizer filtering separation device, including Rose Box, feeding device and separator box；Described Rose Box one end connects the feeding device, and the other end of the Rose Box is connect with the separator box；The inside of the separator box is from top to bottom disposed with several separating plates, and discharge nozzle, the outlet of the discharge nozzle and separating plate side setting are provided on the side of the separator box；Wherein, the bottom of the Rose Box and the top of separator box are respectively arranged with discharge port and feed inlet；Alfalfa cultivation organic fertilizer filtering separation device can be filtered organic fertilizer and separate.
Description
Technical field
The invention belongs to organic fertilizer processing technique fields, and in particular to a kind of alfalfa cultivation is separated by filtration dress with organic fertilizer
It sets.
Background technique
Clover is the common name of clover, is commonly called as bur clover, is a kind of perennial flowering plant, wherein foremost be
Alfalfa as herbage.Clover is many kinds of, is mostly wild herbaceous plant.Nutritive value is very high, has clear taste, benefit
The effect of intestine and small intestine, lower vesical calculus.Clover contains the most abundant vitamin K, at point height, drive one cut vegetables on,
He is as also quite abundant such as Vitamin C, B, mostly animal feeding-stuff.
Organic fertilizer is mainly derived from plant and (or) animal, and imposing on soil to provide plant nutrient is containing for its major function
Carbon material.Through biological substance, animals and plants waste, plant residue processing, poisonous and harmful substance therein is eliminated, is rich in
A large amount of benefit materials.Full nutrition can not only be provided for crops, and fertilizer efficiency is long, can increase and update the soil organism, promote
Into microbial reproduction, improve the physicochemical property and bioactivity of soil, is the Main Nutrients of pollution-free food production.Having at this stage
Machine fertilizer filtering separation device cannot remove the impurity in organic fertilizer well, can not reduce well and generate dirt in separation process
Dye.
Therefore it is directed to this status, there is an urgent need to design and produce a kind of alfalfa cultivation organic fertilizer filtering separation device,
To meet the needs of actual use.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of alfalfa cultivation organic fertilizer filtering separation device, to solve
Organic fertilizer filtering separation device at this stage cannot remove the problem of impurity in organic fertilizer well.
To achieve the above object, the invention provides the following technical scheme: a kind of alfalfa cultivation is separated by filtration dress with organic fertilizer
It sets, including Rose Box, feeding device and separator box；Described Rose Box one end connects the feeding device, the Rose Box it is another
One end is connect with the separator box；The inside of the separator box is from top to bottom disposed with several separating plates, the separation
Discharge nozzle, the outlet of the discharge nozzle and separating plate side setting are provided on the side of case；Wherein, the filtering
The bottom of case and the top of separator box are respectively arranged with discharge port and feed inlet.
The separating plate includes upper separating plate, middle separating plate and lower separating plate；The upper separating plate, middle separating plate and lower point
Inner wall from plate with the separator box is welded and fixed；Pass through screw on the upper separating plate, middle separating plate and lower separating plate
Sieve is installed, and the mesh number of sieve is successively reduced.
One end on the upper separating plate, middle separating plate and lower separating plate close to outlet is equipped with two groups of baffles, two groups of institutes
It is V-shaped to state baffle.
The center of the bottom of the upper separating plate, middle separating plate and lower separating plate is mounted on vibration excitor.
The bottom of the separator box is provided with aggregate pipe；Wherein, control valve is provided on the aggregate pipe for domination set
The discharging of expects pipe.
The bottom of the separator box is additionally provided with supporting leg, and the bottom of the supporting leg and the separator box is fixedly welded,
Wherein the supporting leg is provided with four groups in distributed rectangular.
The feeding device includes feed hopper and telescoping tube, the both ends of the telescoping tube respectively with the feed hopper and filtering
Case connection.
The feeding device further includes support column and hollow tube；The support column is mounted on the bottom of the feed hopper and phase
The hollow tube is moved up and down；The through-hole that multiple groups are spaced substantially equidistant is offered on the support column, is opened on the hollow tube
Equipped with multiple groups threaded hole identical with hole size, two groups of bolts for passing through through-hole are equipped in the threaded hole；The support column
It is fixedly connected by two groups of bolts with the chamber portion of hollow tube.
The filtering separation device further includes dust-extraction unit；The dust-extraction unit includes ventilation duct, liquid storing barrel and air blower,
The both ends of the ventilation duct are connected to separator box and liquid storing barrel respectively, and the air blower is mounted on the top of the liquid storing barrel.
Be additionally provided with separation chamber door on the separator box, the separator box opened up far from the side of discharge nozzle it is fluted, it is recessed
It is rotatablely connected by spring hinge with chamber door is separated in slot；Coded lock is installed on the separation chamber door.
Compared with prior art, the beneficial effects of the present invention are:
Alfalfa cultivation organic fertilizer filtering separation device can be filtered organic fertilizer and separate, and reduce in separation process
The pollution of generation is very suitable to be filtered organic fertilizer and separate.
Alfalfa cultivation organic fertilizer filtering separation device passes through the classification point of upper separating plate, middle separating plate and lower separating plate
From to sieve to organic fertilizer, while facilitating discharging by baffle, and collected by external collecting equipment by discharge nozzle
And it handles；The large granular impurity that filter layer contains organic fertilizer is effectively removed, by aggregate pipe by external equipment recycle and
Reason, to improve product quality.
Driven by the air blower of dust-extraction unit, by inside separator box dust and irritative gas by ventilation duct suction
Enter in liquid storing barrel, and mixed with the liquid inside liquid storing barrel, to reduce the pollution generated in separation process.
Detailed description of the invention
Fig. 1 is cross-sectional view of the invention；
Fig. 2 is structural schematic diagram of the invention；
Fig. 3 is the structural schematic diagram of feeding device of the invention.
In attached drawing: 1 Rose Box, 2 feeding devices, 3 separator boxs, 4 dust-extraction units, separating plate on 5, separating plate, 7 lower points in 6
From plate, 8 discharge nozzles, 9 aggregate pipes, 10 supporting legs, 11 feed hoppers, 12 telescoping tubes, 13 support columns, 14 hollow tubes, 15 through-holes, 16 spiral shells
Pit, 17 bolts, 18 ventilation ducts, 19 liquid storing barrels, 20 air blowers, 21 vibration excitors, 22 baffles, 23 filter layers, 24 separation chamber doors, 25
Coded lock.
Specific embodiment
Below in conjunction with specific embodiment, invention is further described in detail.It should be appreciated that described herein specific
Embodiment is only used to explain the present invention, is not intended to limit the present invention.
With reference to shown in Fig. 1,2, a kind of alfalfa cultivation organic fertilizer filtering separation device, including Rose Box 1, feeding device 2
With separator box 3；Described 1 one end of Rose Box connects the feeding device 2, and the other end of the Rose Box 1 and the separator box 3 connect
It connects；The inside of the separator box 3 is from top to bottom disposed with several separating plates, is provided with out on the side of the separator box
Expects pipe 8, the outlet of the discharge nozzle 8 and separating plate side setting；Wherein, the bottom of the Rose Box 1 and separation
The top of case 3 is respectively arranged with discharge port and feed inlet；In the present embodiment, the lower half of the separator box 3 is in pyramid.
The inside of the Rose Box 1 is equipped with filter layer 23, and the filter layer 23 is preferably filter screen, and filter layer 23 mainly removes
Remove large granular impurity.
The separating plate includes upper separating plate 5, middle separating plate 6 and lower separating plate 7；The upper separating plate 5, middle separating plate 6
Inner wall with lower separating plate 7 with the separator box 3 is welded and fixed.
Sieve, and the mesh number of sieve are equipped with by screw on the upper separating plate 5, middle separating plate 6 and lower separating plate 7
It successively reduces, one end on the upper separating plate 5, middle separating plate 6 and lower separating plate 7 close to outlet is fixedly welded with conveniently to go out
Two groups of baffles 22 of material, baffle 22 described in two groups is V-shaped, and the organic fertilizer for being placed in corner is made to facilitate discharging.
The center of the bottom of the upper separating plate 5, middle separating plate 6 and lower separating plate 7 is mounted on vibration excitor 21, vibration excitor
21 are selected as the DF501S type vibration excitor of desai spy GCT production, and by the vibration of vibration excitor 21, baffle 22 facilitates discharging, and passes through
Discharge nozzle 8 is collected and is handled by external equipment.
The bottom of the separator box 3 is provided with aggregate pipe 9；Wherein, control valve is provided on the aggregate pipe 9 for controlling
The discharging of aggregate pipe.
The bottom of the separator box 3 is additionally provided with supporting leg 10, the fixed weldering in the bottom of the supporting leg and the separator box 3
It connects, wherein the supporting leg 10 is provided with four groups in distributed rectangular；10 one side of supporting leg is used to support whole device, separately
On the one hand the supporting leg 10 is the installation of the aggregate pipe 9 for convenience.
Refering to what is shown in Fig. 3, the feeding device 2 includes feed hopper 11 and telescoping tube 12, the both ends point of the telescoping tube 12
It is not connected in the feed hopper 11 with Rose Box 1；When in use, by adjusting the length of the telescoping tube 12, thus certain
Different feeding devices is adapted in range.
As the further improvement of above-described embodiment, the feeding device 2 further includes support column 13 and hollow tube 14；It is described
Support column 13 is mounted on the bottom of the feed hopper 2 and moves up and down relative to the hollow tube 14；It is opened on the support column 13
Equipped with the through-hole 15 that multiple groups are spaced substantially equidistant, multiple groups threaded hole identical with 15 size of through-hole is offered on the hollow tube 14
16, the threaded hole 16 is interior to be equipped with two groups of bolts 17 for passing through through-hole 15；The support column 13 by two groups of bolts 17 with it is hollow
The chamber portion of pipe 14 is fixedly connected, and by adjusting the position of through-hole 15 and threaded hole 16 locating for two groups of bolts 17, makes to adjust
Telescoping tube 12 afterwards is capable of fixing, to adapt to the apparatus for feeding of different height in a certain range.
Refering to what is shown in Fig. 1, the filtering separation device further includes dust-extraction unit 4；The dust-extraction unit include ventilation duct 18,
The both ends of liquid storing barrel 19 and air blower 20, the ventilation duct 18 are connected to separator box 3 and liquid storing barrel 19 respectively, the air blower 20
It is mounted on the top of the liquid storing barrel 19；In the present embodiment, the ventilation duct 18 runs through one end of the liquid storing barrel 19, and sets
The liquid level of the liquid inside the liquid storing barrel 19 is placed in hereinafter, when in use, it, will be in separator box 3 by the driving of air blower
Dust and irritative gas are sucked in the liquid storing barrel 19 by ventilation duct 18, and are mixed with the liquid inside liquid storing barrel, are subtracted
Few pollution to environment.
Refering to what is shown in Fig. 2, being additionally provided with separation chamber door 24 on the separator box 3, the separation chamber door 24 passes through such as lower section
Formula is mounted on the separator box 3, and the separator box 3 opens up fluted far from the side of discharge nozzle 8, passes through spring conjunction in groove
Page is rotatablely connected with chamber door 24 is separated；Chamber door 24, easy to repair and replacement sieve are separated by setting.
As the further improvement of above-described embodiment, coded lock 25 is installed on the separation chamber door 24；In order to operate
Personnel accidentally touch the inside of separator box 3.
When specifically used, alfalfa cultivation organic fertilizer filtering separation device adjusts the length of telescoping tube 12, adjusts simultaneously
The position of through-hole 15 and threaded hole 16 locating for two groups of bolts 17 is capable of fixing the telescoping tube 12 after adjusting, thus certain
The apparatus for feeding of different height is adapted in range, organic fertilizer enters Rose Box 1, large granular impurity is removed by filter layer 23, by upper
Under successively by the sieve on upper separating plate 5, middle separating plate 6 and lower separating plate 7, while passing through the vibration of vibration excitor 21, makes
Organic fertilizer classification separation, and discharged by baffle 22, it is collected and is handled by the external collecting equipment of discharge nozzle 8, generated after separation
Fine particle impurity collected and handled by external reclaimer by aggregate pipe 9, open simultaneously air blower 20, pass through air blower
20 driving, by separator box 3 dust and irritative gas sucked in liquid storing barrel 19 by ventilation duct 18, and and liquid storing barrel
Liquid mixing inside 19, reduces the pollution generated in separation process, improves product quality.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (10)
1. a kind of alfalfa cultivation organic fertilizer filtering separation device, it is characterised in that: including Rose Box (1), feeding device (2) and
Separator box (3)；Described Rose Box (1) one end connects the feeding device (2), the other end of the Rose Box (1) with described point
It is connected from case (3)；The inside of the separator box (3) is from top to bottom disposed with several separating plates, the separator box (3)
It is provided on side discharge nozzle (8), the outlet of the discharge nozzle (8) and separating plate side setting；Wherein, the mistake
Discharge port and feed inlet are respectively arranged on filter box (1) and separator box (3).
2. alfalfa cultivation according to claim 1 organic fertilizer filtering separation device, it is characterised in that: the separating plate packet
Include separating plate (5), middle separating plate (6) and lower separating plate (7)；The upper separating plate (5), middle separating plate (6) and lower separating plate
(7) inner wall with the separator box (3) is welded and fixed；On the upper separating plate (5), middle separating plate (6) and lower separating plate (7)
Sieve is equipped with by screw, and the mesh number of sieve is successively reduced.
3. alfalfa cultivation according to claim 2 organic fertilizer filtering separation device, it is characterised in that: the upper separating plate
(5), one end on middle separating plate (6) and lower separating plate (7) close to outlet is equipped with two groups of baffles (22), baffle described in two groups
(22) V-shaped.
4. alfalfa cultivation according to claim 2 organic fertilizer filtering separation device, it is characterised in that: the upper separating plate
(5), the center of the bottom of middle separating plate (6) and lower separating plate (7) is mounted on vibration excitor (21).
5. alfalfa cultivation according to claim 1 organic fertilizer filtering separation device, it is characterised in that: the separator box
(3) bottom is provided with aggregate pipe (9)；Wherein, control valve is provided on the aggregate pipe (9) for controlling going out for aggregate pipe
Material.
6. alfalfa cultivation according to claim 1 organic fertilizer filtering separation device, it is characterised in that: the separator box
(3) bottom is additionally provided with supporting leg (10), and the supporting leg (10) is provided with four groups in distributed rectangular.
7. alfalfa cultivation according to claim 1 organic fertilizer filtering separation device, it is characterised in that: the feeding device
(2) include feed hopper (11) and telescoping tube (12), the both ends of the telescoping tube (12) respectively with the feed hopper (11) and filtering
Case (1) connection.
8. alfalfa cultivation according to claim 7 organic fertilizer filtering separation device, it is characterised in that: the feeding device
It (2) further include support column (13) and hollow tube (14)；The support column (13) is mounted on the bottom of the feed hopper (2) and opposite
It is moved up and down in the hollow tube (14)；The through-hole (15) that multiple groups are spaced substantially equidistant is offered on the support column (13), it is described
Multiple groups threaded hole (16) identical with through-hole (15) size is offered on hollow tube (14), is equipped with two groups in the threaded hole (16)
Bolt (17) across through-hole (15)；The support column (13) is solid by the chamber portion of two groups of bolts (17) and hollow tube (14)
Fixed connection.
9. alfalfa cultivation according to any one of claims 1 to 8 organic fertilizer filtering separation device, it is characterised in that: institute
Stating filtering separation device further includes dust-extraction unit (4)；The dust-extraction unit (4) includes ventilation duct (18), liquid storing barrel (19) and drum
The both ends of blower (20), the ventilation duct (18) are connected to separator box (3) and liquid storing barrel (19) respectively, air blower (20) peace
Mounted in the top of the liquid storing barrel (19).
10. alfalfa cultivation according to claim 1 organic fertilizer filtering separation device, it is characterised in that: the separator box
(3) be additionally provided on separation chamber door (24), the separator box (3) far from discharge nozzle (8) side open up it is fluted, in groove lead to
It crosses spring hinge and is rotatablely connected with chamber door (24) are separated；Coded lock (25) are installed on the separation chamber door (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910405024.8A CN110000085A (en) | 2019-05-15 | 2019-05-15 | A kind of alfalfa cultivation organic fertilizer filtering separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910405024.8A CN110000085A (en) | 2019-05-15 | 2019-05-15 | A kind of alfalfa cultivation organic fertilizer filtering separation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110000085A true CN110000085A (en) | 2019-07-12 |
Family
ID=67177051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910405024.8A Withdrawn CN110000085A (en) | 2019-05-15 | 2019-05-15 | A kind of alfalfa cultivation organic fertilizer filtering separation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110000085A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110498524A (en) * | 2019-09-06 | 2019-11-26 | 陆鑫 | Domestic sewage treatment device and its processing method based on solid-liquid separation technique |
| CN111167704A (en) * | 2020-03-07 | 2020-05-19 | 温州博海生物科技有限公司 | A multilayer divides sieve device for producing pig feed usefulness |
| CN113058841A (en) * | 2021-03-17 | 2021-07-02 | 罗建平 | Granular crop sorting device |
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| CN2342676Y (en) * | 1998-08-14 | 1999-10-13 | 黄聪杰 | Height adjustable table/chair foots |
| CN103284506A (en) * | 2013-07-01 | 2013-09-11 | 国家电网公司 | Withdrawal type insulating stool |
| CN108143151A (en) * | 2017-12-31 | 2018-06-12 | 邓芝英 | A kind of Multifunctional mobile can raised home seating |
| CN108580242A (en) * | 2018-05-21 | 2018-09-28 | 湖北永捷粮油机械有限公司 | A kind of rough separator of gravity paddy |
| CN210546226U (en) * | 2019-05-15 | 2020-05-19 | 大禹节水集团股份有限公司 | Alfalfa plants and uses fertilizer filtering separation device |
-
2019
- 2019-05-15 CN CN201910405024.8A patent/CN110000085A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2342676Y (en) * | 1998-08-14 | 1999-10-13 | 黄聪杰 | Height adjustable table/chair foots |
| CN103284506A (en) * | 2013-07-01 | 2013-09-11 | 国家电网公司 | Withdrawal type insulating stool |
| CN108143151A (en) * | 2017-12-31 | 2018-06-12 | 邓芝英 | A kind of Multifunctional mobile can raised home seating |
| CN108580242A (en) * | 2018-05-21 | 2018-09-28 | 湖北永捷粮油机械有限公司 | A kind of rough separator of gravity paddy |
| CN210546226U (en) * | 2019-05-15 | 2020-05-19 | 大禹节水集团股份有限公司 | Alfalfa plants and uses fertilizer filtering separation device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110498524A (en) * | 2019-09-06 | 2019-11-26 | 陆鑫 | Domestic sewage treatment device and its processing method based on solid-liquid separation technique |
| CN110498524B (en) * | 2019-09-06 | 2022-01-04 | 宁夏优智环保科技有限公司 | Domestic sewage treatment equipment based on solid-liquid separation technology and treatment method thereof |
| CN111167704A (en) * | 2020-03-07 | 2020-05-19 | 温州博海生物科技有限公司 | A multilayer divides sieve device for producing pig feed usefulness |
| CN113058841A (en) * | 2021-03-17 | 2021-07-02 | 罗建平 | Granular crop sorting device |
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Application publication date: 20190712 |
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