CN206810457U - A kind of bentonite production lapping device - Google Patents
A kind of bentonite production lapping device Download PDFInfo
- Publication number
- CN206810457U CN206810457U CN201720715862.1U CN201720715862U CN206810457U CN 206810457 U CN206810457 U CN 206810457U CN 201720715862 U CN201720715862 U CN 201720715862U CN 206810457 U CN206810457 U CN 206810457U
- Authority
- CN
- China
- Prior art keywords
- horn
- bistrique
- screen cloth
- mill
- screening plant
- 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
- 229910000278 bentonite Inorganic materials 0.000 title claims abstract description 21
- 239000000440 bentonite Substances 0.000 title claims abstract description 21
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000012216 screening Methods 0.000 claims abstract description 36
- 238000000227 grinding Methods 0.000 claims abstract description 33
- 239000004744 fabric Substances 0.000 claims description 51
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 24
- 238000013016 damping Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 description 12
- 229910052901 montmorillonite Inorganic materials 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229940125717 barbiturate Drugs 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Landscapes
- Combined Means For Separation Of Solids (AREA)
- Crushing And Grinding (AREA)
Abstract
A kind of bentonite production lapping device, including the storage bin from top to bottom set gradually, one-level grinding tool, first screening plant, two level grinding tool, second screening plant and splicing room, one-level grinding tool includes the first motor, first drive shaft, horn-like mill and horn-like bistrique corresponding with horn-like mill, horn-like bistrique is vertically arranged to storage bin lower end, its upper end diameter is more than its lower end diameter, first drive shaft one end is coaxially fixedly installed with horn-like bistrique, and first the drive shaft other end be connected with the first motor, first drive shaft is rotatablely connected with storage bin, horn-like bistrique is located in horn-like mill, and gap between the two be present, gap between horn-like mill and horn-like bistrique connects with storage bin;First screening plant is located in dustproof shell body.
Description
Technical field
It the utility model is related to lapping device, more particularly to a kind of bentonite production lapping device.
Background technology
Bentonite is a kind of inorganic non-metallic ore deposit of great Development volue, is using montmorillonite as the aqueous sial for wanting composition
Barbiturates.Right montmorillonite of dying young is divided into ca-montmorillonite, sodium Ji Mengtuo by the species and its relative amount of contained exchangeable cation
Stone, magnesium-based montmorillonite, Li-montmorillonite, hydrogen-based montmorillonite etc..Clay using na-montmorillonite as main component, referred to as sodium base
Bentonite sodium soil, the clay using ca-montmorillonite as main component are referred to as calcium-base bentonite.Due to the geographical environment of ore body output
Difference, the exchangeable cation species contained by interlayer are very different, and bentonitic physico-chemical property is also very different.
The cation that method manually changes its interlayer is referred to as artificial modification so as to change its physical and chemical performance, or modified.It is natural swollen
Profit soil is generally calcium-base bentonite, and its performance is not satisfactory, and Emathlite, sodium base can be changed into by artificial modification
Bentonite, lithium bentonite, organobentonite and high-purity bentonite gel etc..These bentonite deep processed products have preferable
A series of physical and chemical performances such as adsorptivity, dilatancy, thixotropy, thickening property, it is widely used in oil prodution industry, coatings industry, weaving work
The fields such as industry, daily chemical industry, environmental protection.
The deep processed product of natural montmorillonite, method of modifying and its acidic activated carclazyte is applied, acidic activated carclazyte refers to
With acid-treated bentonite, production technology has two kinds of wet method and dry method;Wet process technique flow is:Raw ore-thousand is dry-powder
Broken-activation-point acid-rinsing-concentration-drying-milling-packaging.
In the link of milling processing, existing lapping device grinding efficiency is slow, and grinds coarse.
Utility model content
For defect present in prior art, the purpose of this utility model is to provide a kind of bentonite production grinding
Device, grinding is fine, and grinding efficiency is high.
To achieve the above object, the technical scheme that the utility model is taken is:A kind of bentonite production lapping device, bag
Include the storage bin from top to bottom set gradually, one-level grinding tool, the first screening plant, two level grinding tool, the second screening plant and splicing
Room, one-level grinding tool include the first motor, the first drive shaft, horn-like mill and corresponding with horn-like mill horn-like
Bistrique, horn-like bistrique are vertically arranged to storage bin lower end, and its upper end diameter is more than its lower end diameter, first drive shaft one end with
Horn-like bistrique is coaxially fixedly installed, and the first drive shaft other end is connected with the first motor, the first drive shaft and storage bin
Rotation connection, horn-like bistrique is located in horn-like mill, and gap between the two be present, horn-like mill and horn-like bistrique
Between gap connected with storage bin;First screening plant is located in dustproof shell body, and dustproof shell body is located at below one-level grinding tool, and
Gap between the charging aperture of dust-proof housing and horn-like mill and horn-like bistrique connects, and the first screening plant is located at dustproof shell
The lower section of body charging aperture, the discharging opening of dust-proof housing are located at below the first screening plant, discharging opening and the splicing room of dust-proof housing
Connection, the first screening plant include support and the first screen cloth and the second screen cloth that are arranged on support, and support is consolidated with dust-proof housing
Fixed connection, the first screen cloth and the second screen cloth are corresponded to and be arranged in parallel up and down, and vibration electricity is equipped with the first screen cloth and the second screen cloth
Machine, the first screen cloth and the second screen cloth are connected by damping device with support, the first screen slope set, its feed end it is vertical
Highly it is more than the vertical height of its discharge end, the mesh number of the second screen cloth is more than the mesh number of the first screen cloth;Two level grinding tool is positioned at dust-proof
Housing lower end and corresponding with the discharge end of the first screening plant, two level grinding tool includes vertically arranged discoid bistrique and and disk
, gap between discoid bistrique and discoid mill be present in discoid mill corresponding to shape bistrique, discoid bistrique with it is discoid
Gap between mill connects and corresponding with the discharge end of the first screening plant with dust-proof housing, and discoid bistrique is by the second driving
The drive shaft of motor driven second drives;Conveying pipeline corresponding with splicing room is correspondingly provided with below two level grinding tool, is set in conveying pipeline
There is funnel, the second screening plant is arranged in conveying pipeline and below funnel, and the second screening plant includes bearing and level is set
The 3rd screen cloth being placed on bearing, bearing are fixedly connected with conveying pipeline, and the 3rd screen cloth is connected by damping device with bearing, and the 3rd
Screen cloth is provided with vibrating motor, and conveying pipeline is provided with access hole, and access hole is between the 3rd screen cloth and funnel, on the outside of conveying pipeline
Face is provided with removable cover corresponding with access hole.
Preferably, the horn-like mill is coaxially disposed with horn-like bistrique.
Preferably, first drive shaft is located in storage bin, and fixed cover is provided with taper feeding table in the first drive shaft, cone
The basal diameter of shape feeding table is identical with horn-like bistrique upper surface diameter.
Preferably, the bottom surface of the taper feeding table is concordant with the bottom surface of storage bin.
Preferably, the damping device is damping spring.
The utility model is simple in construction, and manufacturing cost is low, easy to use, has stronger promotional value.
Brief description of the drawings
Fig. 1 is the utility model structure diagram;
Fig. 2 is the utility model the first screening plant structural representation;
Fig. 3 is the utility model the second screening plant structural representation.
Embodiment
As shown in Figure 1 to Figure 3, a kind of bentonite production lapping device, including the storage bin from top to bottom set gradually
1st, one-level grinding tool, the first screening plant, two level grinding tool, the second screening plant and splicing room 2, one-level grinding tool include the first driving electricity
Machine 3, the first drive shaft 4, horn-like mill 5 and horn-like bistrique 6 corresponding with horn-like mill 5, horn-like bistrique 6 are vertical
The lower end of storage bin 1 is arranged at, its upper end diameter is more than its lower end diameter, and the one end of the first drive shaft 4 is coaxially solid with horn-like bistrique 6
It is fixed to set, and the other end of the first drive shaft 4 is connected with the first motor 3, the first drive shaft 4 is rotatablely connected with storage bin 1, loudspeaker
Shape bistrique 6 is located in horn-like mill 5, and gap between the two be present, between horn-like mill 5 and horn-like bistrique 6
Gap connects with storage bin 1;First screening plant is located in dust-proof housing 7, and dust-proof housing 7 is located at below one-level grinding tool, and anti-
Gap between the charging aperture of dirt housing 7 and horn-like mill 5 and horn-like bistrique 6 connects, and the first screening plant is positioned at dust-proof
The lower section of the charging aperture of housing 7, the discharging opening of dust-proof housing 7 are located at below the first screening plant, and the discharging opening of dust-proof housing 7 is with connecing
Material room 2 connects, and the first screening plant includes support 8 and the first screen cloth 9 and the second screen cloth 10 that are arranged on support 8, support 8 with
Dust-proof housing 7 is fixedly connected, and the first screen cloth 9 and the second screen cloth are corresponded to and be arranged in parallel about 10, the first screen cloth 9 and the second screen cloth
Vibrating motor 11 is equipped with 10, the first screen cloth 9 and the second screen cloth 10 are connected by damping device 12 with support 8, the first sieve
Net 9 is obliquely installed, and the vertical height of its feed end is more than the vertical height of its discharge end, and the mesh number of the second screen cloth 10 is more than first
The mesh number of screen cloth 9;Two level grinding tool is located at the dust-proof lower end of housing 7 and, two level grinding tool bag corresponding with the discharge end of the first screening plant
Include vertically arranged discoid bistrique 13 and discoid mill 14 corresponding with discoid bistrique 13, discoid bistrique 13 and disk
Gap between shape mill 14 be present, the gap between discoid bistrique 13 and discoid mill 14 connected with dust-proof housing 7 and with
The discharge end of first screening plant is corresponding, and discoid bistrique 13 drives the second drive shaft 16 to drive by the second motor 15;Two
Conveying pipeline 17 corresponding with splicing room 2 is correspondingly provided with below level grinding tool, funnel 18, the second screening plant are provided with conveying pipeline 17
It is arranged in conveying pipeline 17 and positioned at the lower section of funnel 18, the second screening plant includes bearing 19 and is horizontally placed on bearing 19
3rd screen cloth 20, bearing 19 are fixedly connected with conveying pipeline 17, and the 3rd screen cloth 20 is connected by damping device 12 with bearing 19, and the 3rd
Screen cloth 20 is provided with vibrating motor 11, and conveying pipeline 17 is provided with access hole, access hole between the 3rd screen cloth 20 and funnel 18,
The lateral surface of conveying pipeline 17 is provided with removable cover 21 corresponding with access hole.Horn-like mill 5 is coaxially set with horn-like bistrique 6
Put.Damping device 12 is damping spring, and its cost is low, easy to use.
Material is put into storage bin 1 during use, starts the first motor 3 and drives horn-like bistrique 6 to rotate, first drives
Moving axis 4 is located in storage bin 1, and fixed cover is provided with taper feeding table 22, the basal diameter of taper feeding table 22 in the first drive shaft 4
It is identical with the horn-like upper surface diameter of bistrique 6;The bottom surface of taper feeding table 22 is concordant with the bottom surface of storage bin 1.Taper feeding table
22 make material concentrate on above the gap between horn-like mill 5 and horn-like bistrique 6, are easy to material to enter horn-like mill 5
In gap between horn-like bistrique 6, material is completed to grind for the first time in the presence of horn-like mill 5 with horn-like bistrique 6
Mill, the material after grinding are dropped down onto on the first screen cloth 9, complete a scalping, and large granular materials fall into two level grinding tool by the first screen cloth 9
It is interior, a fine screen, the material after the fine screen of the second screen cloth 10 are completed by the second screen cloth 10 by the material of the first screen cloth 9 again
Fall into splicing room 2, complete grinding, the material for not passing through the second screen cloth 10 is fallen into two level grinding tool, passes through discoid bistrique 13
Cooperation with discoid mill 14 carries out second to the large granular materials for not passing through the first screening plant and ground, by second
Material after grinding first passes through funnel 18, then drops down onto on the 3rd screen cloth 20, and the material through the 3rd screen cloth 20 falls into splicing room 2
It is interior, grinding is completed, the material for not passing through the 3rd screen cloth 20 can be cleared up by opening removable cover 21, prevents the 3rd sieve
Net 20 blocks.
Claims (5)
- A kind of 1. bentonite production lapping device, it is characterised in that:Including storage bin, the one-level mill from top to bottom set gradually Tool, the first screening plant, two level grinding tool, the second screening plant and splicing room, one-level grinding tool include the first motor, the first drive Moving axis, horn-like mill and horn-like bistrique corresponding with horn-like mill, horn-like bistrique are vertically arranged under storage bin End, its upper end diameter are more than its lower end diameter, and first drive shaft one end is coaxially fixedly installed with horn-like bistrique, the first drive shaft The other end is connected with the first motor, and the first drive shaft is rotatablely connected with storage bin, and horn-like bistrique is located at horn-like mill It is interior, and gap between the two be present, the gap between horn-like mill and horn-like bistrique connects with storage bin;First screening dress Setting in dustproof shell body, dustproof shell body is located at below one-level grinding tool, and the charging aperture of dust-proof housing and horn-like mill and loudspeaker Gap connection between shape bistrique, the first screening plant are located at the lower section of dust-proof housing charging aperture, the discharging opening of dust-proof housing Below the first screening plant, the discharging opening of dust-proof housing connects with splicing room, and the first screening plant includes support and setting In the first screen cloth and the second screen cloth on support, support is fixedly connected with dust-proof housing, right above and below the first screen cloth and the second screen cloth It and should be arranged in parallel, vibrating motor be equipped with the first screen cloth and the second screen cloth, the first screen cloth and the second screen cloth pass through damping Device is connected with support, and the first screen slope is set, and the vertical height of its feed end is more than the vertical height of its discharge end, and second The mesh number of screen cloth is more than the mesh number of the first screen cloth;Two level grinding tool be located at dust-proof housing lower end and with the discharge end of the first screening plant Corresponding, two level grinding tool includes vertically arranged discoid bistrique and discoid mill corresponding with discoid bistrique, discoid mill Head discoid mill between gap be present, the gap between discoid bistrique and discoid mill connected with dust-proof housing and with The discharge end of first screening plant is corresponding, and discoid bistrique drives the second drive shaft to drive by the second motor;Two level grinding tool Lower section be correspondingly provided with conveying pipeline corresponding with splicing room, is provided with funnel in conveying pipeline, the second screening plant is arranged at conveying pipeline Interior and below the funnel, the second screening plant includes bearing and the 3rd screen cloth being horizontally placed on bearing, bearing and conveying Pipe is fixedly connected, and the 3rd screen cloth is connected by damping device with bearing, and the 3rd screen cloth is provided with vibrating motor, and conveying pipeline is provided with Access hole, for access hole between the 3rd screen cloth and funnel, conveying pipeline lateral surface is provided with removable cover corresponding with access hole.
- A kind of 2. bentonite production lapping device according to claim 1, it is characterised in that:The horn-like mill with Horn-like bistrique is coaxially disposed.
- A kind of 3. bentonite production lapping device according to claim 1, it is characterised in that:The first driving axle position In in storage bin, fixed cover is provided with taper feeding table, the basal diameter of taper feeding table and horn-like bistrique in the first drive shaft Upper surface diameter is identical.
- A kind of 4. bentonite production lapping device according to claim 3, it is characterised in that:The taper feeding table Bottom surface is concordant with the bottom surface of storage bin.
- A kind of 5. bentonite production lapping device according to claim 1, it is characterised in that:The damping device is to subtract Shake spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720715862.1U CN206810457U (en) | 2017-06-20 | 2017-06-20 | A kind of bentonite production lapping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720715862.1U CN206810457U (en) | 2017-06-20 | 2017-06-20 | A kind of bentonite production lapping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206810457U true CN206810457U (en) | 2017-12-29 |
Family
ID=60761057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720715862.1U Expired - Fee Related CN206810457U (en) | 2017-06-20 | 2017-06-20 | A kind of bentonite production lapping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206810457U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109248741A (en) * | 2018-11-21 | 2019-01-22 | 中国地质科学院水文地质环境地质研究所 | Controlling temp type soil continuously grinding screening plant |
| CN110479466A (en) * | 2019-08-28 | 2019-11-22 | 重庆市开州区国森花木种植专业合作社 | A kind of petal refinement mashing device |
| CN114768971A (en) * | 2022-03-29 | 2022-07-22 | 宁波江丰电子材料股份有限公司 | Germanium evaporation material and preparation method and application thereof |
| CN116078487A (en) * | 2022-11-15 | 2023-05-09 | 山东卓越高新材料科技有限公司 | Grinding and dispersing equipment for graphite processing production |
-
2017
- 2017-06-20 CN CN201720715862.1U patent/CN206810457U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109248741A (en) * | 2018-11-21 | 2019-01-22 | 中国地质科学院水文地质环境地质研究所 | Controlling temp type soil continuously grinding screening plant |
| CN110479466A (en) * | 2019-08-28 | 2019-11-22 | 重庆市开州区国森花木种植专业合作社 | A kind of petal refinement mashing device |
| CN114768971A (en) * | 2022-03-29 | 2022-07-22 | 宁波江丰电子材料股份有限公司 | Germanium evaporation material and preparation method and application thereof |
| CN114768971B (en) * | 2022-03-29 | 2023-11-07 | 宁波江丰电子材料股份有限公司 | Germanium evaporation material and preparation method and application thereof |
| CN116078487A (en) * | 2022-11-15 | 2023-05-09 | 山东卓越高新材料科技有限公司 | Grinding and dispersing equipment for graphite processing production |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206838472U (en) | A kind of bentonite production screening plant | |
| CN206810457U (en) | A kind of bentonite production lapping device | |
| CN209318153U (en) | A rapid screening equipment for ore | |
| CN211755850U (en) | Grinder is smashed to raw materials for experiment based on analytical chemistry | |
| CN208960017U (en) | Grading material device is used in a kind of production and processing of the converted starch that grinding effect is good | |
| CN205815857U (en) | A kind of novel disintegrating machine | |
| CN106391202A (en) | a grain mill | |
| CN201154322Y (en) | Throwing material type crushing vibration screening machine | |
| CN206382073U (en) | Superhard micro mist dry dispersion device | |
| CN204974022U (en) | Lime stone milling equipment | |
| CN215940131U (en) | A milling equipment for garrulous processing of bentonite powder | |
| CN204194284U (en) | A kind of closed cycle sand system | |
| CN207521076U (en) | A kind of drug crushing and screening device | |
| CN203778190U (en) | Lead powder recovery equipment | |
| CN212882744U (en) | Mining industry processing engineering is with ball mill of automatic branch material formula | |
| CN209334224U (en) | A kind of shaking platform | |
| CN206868607U (en) | A kind of construction Machines induction type stock grading device | |
| CN216025095U (en) | Quartz sand grinding device | |
| CN107744852A (en) | A kind of medicine crushing and screening device | |
| CN208275760U (en) | A kind of rock phosphate in powder flotation environment-friendly type collecting agent process units | |
| CN208742629U (en) | A kind of magnetic material processing screening plant | |
| CN223642240U (en) | Zirconia ball screening impurity and magnetism removing device | |
| CN114733744A (en) | An industrial screening device | |
| CN112808579B (en) | Mineral aggregate wet material autosegregation equipment | |
| CN207839410U (en) | A kind of alternative expression animal feed screening plant |
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: 20171229 Termination date: 20200620 |