CN114987954A - Anti-blocking feeding device - Google Patents
Anti-blocking feeding device Download PDFInfo
- Publication number
- CN114987954A CN114987954A CN202210641376.5A CN202210641376A CN114987954A CN 114987954 A CN114987954 A CN 114987954A CN 202210641376 A CN202210641376 A CN 202210641376A CN 114987954 A CN114987954 A CN 114987954A
- Authority
- CN
- China
- Prior art keywords
- rod
- box body
- feeding device
- loop bar
- spiral conveying
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims abstract description 63
- 238000007790 scraping Methods 0.000 claims abstract description 19
- 210000000056 organ Anatomy 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
- B65D88/64—Large containers characterised by means facilitating filling or emptying preventing bridge formation
- B65D88/68—Large containers characterised by means facilitating filling or emptying preventing bridge formation using rotating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/005—Cleaning conveyor screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
- B65G45/12—Cleaning devices comprising scrapers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crushing And Pulverization Processes (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention relates to the technical field of material conveying equipment, in particular to an anti-blocking feeding device, which comprises a box body, wherein one end of the upper part of the box body is provided with a feeding hole, a feeding bin hopper is arranged on the feeding hole, a conical block is arranged inside the feeding bin hopper, a material leaking ring groove is arranged between the feeding bin hopper and the conical block, a plurality of fixing rods are uniformly and fixedly arranged on the material leaking ring groove, a rotating amplitude rod is rotatably arranged in the material leaking ring groove, a driving motor is arranged in the conical block, the fixing rods and the rotating amplitude rod are combined into a crushing assembly, a spiral conveying rod is arranged in the box body, a main motor is arranged on the outer side of the box body, a scraping assembly matched with the spiral conveying rod is arranged above the spiral conveying rod, one end of the lower part of the box body is provided with a discharging hole, the invention crushes blocky materials through the crushing assembly, reduces the blocking situation of the materials at the feeding bin hole, and is provided with the scraping assembly, scrape off the material of adhesion on the auger delivery pole, improve production efficiency.
Description
Technical Field
The invention relates to the technical field of material conveying equipment, in particular to an anti-blocking feeding device.
Background
Feed screw is often used for carrying the material of stirring to the mixer of concrete, but among the prior art, feed screw feeding or all can have a large amount of materials to go on simultaneously when the ejection of compact, block up feed inlet and discharge gate easily, thereby the efficiency of ejection of compact and feeding has been reduced, and can also have cubic material in the material, cubic material easily causes the jam to feed bin inside when carrying, especially when the powder meets the great condition of water content, harden easily and block up the feed inlet during the feed, and the material hardens easily on the blade of mixer, serious hindrance is to the continuity of feed, need long-time the expert of operation personnel to fill in the stopper operation, the operating efficiency has been reduced.
Disclosure of Invention
In view of this, the present invention provides an anti-blocking feeding device to solve the problem that a feeding bin is easily blocked by a lump material.
Based on the above purpose, the invention provides an anti-blocking feeding device, which comprises a box body, wherein one end of the upper part of the box body is provided with a feeding hole, a feeding hopper is arranged on the feeding port, a conical block is arranged in the feeding hopper, a material leakage ring groove is arranged between the feeding hopper and the conical block, a plurality of fixed rods are radially and uniformly distributed and fixed on the material leaking ring groove, a rotary amplitude rod is rotatably arranged in the material leaking ring groove, a driving motor for driving the rotary amplitude rod to rotate is arranged in the conical block, the fixed rod and the rotary amplitude rod are combined into a crushing component, a spiral conveying rod is arranged in the box body along the length direction of the box body, a main motor for driving the box body to rotate is arranged on the outer side of the box body, the material scraping component matched with the spiral conveying rod is installed above the spiral conveying rod, and a discharge hole is formed in one end of the lower portion of the box body.
Optionally, the fixed rod and the rotating amplitude rod are arranged at intervals, a plurality of protruding thorns are convexly arranged on the fixed rod and the rotating amplitude rod, and the driving motor drives the rotating amplitude rod to rotate in a reciprocating manner, so that the crushing assembly crushes blocky materials.
Optionally, the scraping component includes a supporting rod, a loop bar is sleeved on the outer surface of the supporting rod, the loop bar is rotatably connected with the supporting rod, a plurality of scraping plates are arranged on the loop bar along the axial direction of the loop bar, the scraping plates are in contact with the blades of the spiral conveying rod, a driving electric cylinder for driving the supporting rod to move up and down is installed on the outer side of the box body, and a clamping component for clamping the loop bar is installed in the loop bar.
Optionally, a cavity is formed in the middle of the supporting rod, the clamping component comprises an air bag, the air bag is installed in the cavity, a plurality of accommodating grooves are formed in the supporting rod along the radial direction of the supporting rod, balls are installed in the accommodating grooves, springs are installed between the accommodating grooves and the balls, through holes are formed between the accommodating grooves and the cavity, ejector rods are installed in the through holes in a sliding mode, one ends of the ejector rods are in contact with the balls, the other ends of the ejector rods extend into the cavity, an inflator pump is installed at one end of the supporting rod and is communicated with the air bag, and clamping grooves matched with the balls are formed in the other surface of the loop rod.
Optionally, the inflator is a suction pump.
Optionally, a stop block for preventing the ejector rod from sliding from the through hole is arranged at one end of the ejector rod, which is in contact with the ball.
Optionally, sliding grooves are formed in two sides of the box body, the supporting rod is slidably mounted in the sliding grooves, and an organ cover is mounted between the supporting rod and the sliding grooves.
Optionally, an inclined plane is arranged at the lower end of one side, close to the discharge hole, in the box body.
The invention has the beneficial effects that: carry out the breakage to cubic material through broken subassembly, reduce the material and in the condition that feed bin mouth blockked up, set up on the auger delivery pole and scrape the material subassembly, strike off the material of adhesion on the auger delivery pole, improve production efficiency.
Drawings
In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description in the prior art will be briefly described below, it is obvious that the drawings in the following description are only the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts.
FIG. 1 is a schematic view of an anti-clogging feeding device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a hopper according to an embodiment of the present invention;
FIG. 3 is a top view of a hopper of an embodiment of the present invention;
FIG. 4 is a schematic view of a scraper assembly according to an embodiment of the present invention;
fig. 5 is an enlarged schematic view of a portion a of fig. 4.
Labeled as:
1. a box body; 2. a feed bin; 3. a conical block; 4. a material leakage ring groove; 5. a fixing rod; 6. rotating the amplitude rod; 7. a drive motor; 8. a screw conveying rod; 9. a main motor; 10. a discharge port; 11. a support bar; 12. a loop bar; 13. a scraping plate; 14. driving an electric cylinder; 15. accommodating a tank; 16. a ball bearing; 17. a spring; 18. a through hole; 19. a top rod; 20. an inflator pump; 21. an organ cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to specific embodiments below.
It is to be noted that technical terms or scientific terms used herein should have the ordinary meaning as understood by those having ordinary skill in the art to which the present invention belongs, unless otherwise defined. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item preceding the word comprises the element or item listed after the word and its equivalent, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
An anti-blocking feeding device, as shown in fig. 1-5, comprises a box body 1, a feeding port is arranged at one end of the upper part of the box body 1, a feeding bin hopper 2 is arranged on the feeding port, a conical block 3 is arranged inside the feeding bin hopper 2, a material leaking ring groove 4 is arranged between the feeding bin hopper 2 and the conical block 3, a plurality of fixing rods 5 are fixedly and uniformly distributed on the material leaking ring groove 4, a rotary amplitude rod 6 is rotatably arranged in the material leaking ring groove 4, a driving motor 7 for driving the rotary amplitude rod 6 to rotate is arranged in the conical block 3, the fixing rods 5 and the rotary amplitude rod 6 are combined into a crushing assembly, a spiral conveying rod 8 is arranged in the box body 1 along the length direction, a main motor 9 for driving the rotary amplitude rod is arranged outside the box body 1, a material scraping assembly matched with the spiral conveying rod 8 is arranged above the spiral conveying rod 8, a discharge hole 10 is formed at one end of the lower part of the box body 1.
The material is added from the feeding bin hopper 2, under the material distributing action of the conical block 3, the material moves to the material leaking annular groove 4 and enters the box body 1 through the material leaking annular groove 4, a large block-shaped material is blocked by the fixing rod 5, the rotating amplitude rod 6 rotates in a reciprocating mode under the driving of the driving motor 7, the block-shaped material is crushed together with the fixing rod 5 and then falls into the box body 1, the main motor 9 drives the spiral conveying rod 8 to rotate to convey the material to the discharging port 10, and the scraping component scrapes the material adhered to the blade of the spiral conveying rod 8.
In one embodiment, the fixed rod 5 and the rotary amplitude bar 6 are arranged at intervals, a plurality of protruding thorns are arranged on the fixed rod 5 and the rotary amplitude bar 6 in a protruding mode, and the driving motor 7 drives the rotary amplitude bar 6 to rotate in a reciprocating mode, so that the crushing assembly crushes blocky materials. The arrangement of the spurs improves the efficiency of crushing the materials.
In an embodiment, the scraping component includes a supporting rod 11, a loop bar 12 is sleeved on the outer surface of the supporting rod 11, the loop bar 12 is rotatably connected with the supporting rod 11, a plurality of scraping plates 13 are arranged on the loop bar 12 along the axial direction of the loop bar, the scraping plates 13 are in contact with the blades of the spiral conveying rod 8, a driving electric cylinder 14 for driving the supporting rod 11 to move up and down is installed on the outer side of the box body 1, and a clamping component for clamping the position of the loop bar 12 is installed in the loop bar 12.
Specifically speaking, the cavity has been seted up at the middle part of bracing piece 11, the solid subassembly of card includes the gasbag, the gasbag is installed in the cavity, a plurality of holding tank 15 has been seted up along its radial equipartition on the bracing piece 11, install ball 16 in the holding tank 15, holding tank 15 with install spring 17 between the ball 16, holding tank 15 with through-hole 18 has been seted up between the cavity, slidable installs ejector pin 19 in the through-hole 18, the one end of ejector pin 19 with ball 16 contacts, the other end of ejector pin 19 extends into in the cavity, pump 20 is installed to the one end of bracing piece 11, pump 20 with the gasbag is linked together, loop bar 12 the surface in addition seted up with ball 16 matched with block groove.
During normal conveying, the loop bar 12 can rotate around the supporting bar 11, and materials can push away the scraping plate 13 for normal conveying; when the spiral conveying rod 8 needs to be cleaned, the air bag is inflated by the inflator pump 20, the ejector rod 19 is pushed by the air bag to move, the ejector rod 19 pushes the balls 16, the balls 16 are clamped into the clamping grooves, the rotation of the sleeve rod 12 and the supporting rod 11 is further limited, and the fixed scraping plate 13 scrapes hardened materials on the spiral conveying rod 8.
Optionally, the inflator 20 is a suction pump.
Optionally, a stopper for preventing the ejector rod 19 from sliding from the through hole 18 is arranged at one end of the ejector rod 19 contacting with the ball 16.
Optionally, sliding grooves are formed in two sides of the box body 1, the supporting rod 11 is slidably mounted in the sliding grooves, and an organ cover 21 is mounted between the supporting rod 11 and the sliding grooves. The materials in the box body 1 are blocked, and the materials are prevented from overflowing from the box body 1.
Optionally, an inclined plane is arranged at the lower end of one side of the box body 1 close to the discharge hole 10. The residue of the materials in the box body 1 is reduced.
When the material feeding device is used, materials are added from the feeding hopper 2, under the material distributing action of the conical block 3, the materials move to the material leaking ring groove 4 and enter the box body 1 through the material leaking ring groove 4, large blocky materials are blocked by the fixed rod 5, the rotary amplitude rod 6 rotates in a reciprocating mode under the driving of the driving motor 7, the blocky materials are crushed together with the fixed rod 5 and then fall into the box body 1, and the main motor 9 drives the spiral conveying rod 8 to rotate and convey the materials to the discharge hole 10; when the spiral conveying rod 8 needs to be cleaned, the air bag is inflated by the inflator pump 20, the air bag pushes the ejector rod 19 to move, the ejector rod 19 pushes the balls 16 to enable the balls 16 to be clamped into the clamping grooves, the rotation of the sleeve rod 12 and the supporting rod 11 is further limited, and the fixed scraper plate 13 scrapes off hardened materials on the spiral conveying rod 8;
according to the invention, the blocky materials are crushed by the crushing assembly, the condition that the material is blocked at the feeding bin opening is reduced, the scraping assembly is arranged on the spiral conveying rod 8, the materials adhered to the spiral conveying rod 8 are scraped, and the production efficiency is improved.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to those examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
The present invention is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The utility model provides an anti-blocking feeding device, includes box (1), its characterized in that, the feed inlet has been seted up to the one end on the upper portion of box (1), install feed bin fill (2) on the feed inlet, the internally mounted of feed bin fill (2) has toper piece (3), feed bin fill (2) with be equipped with between toper piece (3) hourglass material annular (4), it is fixed to be radial equipartition on hourglass material annular (4) and is equipped with a plurality of dead lever (5), rotatable installation has rotation amplitude rod (6) in hourglass material annular (4), install the drive in toper piece (3) rotation amplitude rod (6) pivoted driving motor (7), dead lever (5) with rotate amplitude rod (6) and make up into broken subassembly, install spiral delivery pole (8) along its length direction in box (1), drive its pivoted main motor (9) is installed in the outside of box (1), the material scraping component matched with the spiral conveying rod (8) is installed above the spiral conveying rod (8), and a discharge hole (10) is formed in one end of the lower portion of the box body (1).
2. The anti-blocking feeding device according to claim 1, wherein the fixing rod (5) and the rotating amplitude rod (6) are arranged at intervals, a plurality of spurs are convexly arranged on the fixing rod (5) and the rotating amplitude rod (6), and the driving motor (7) drives the rotating amplitude rod (6) to rotate in a reciprocating manner, so that the crushing assembly crushes blocky materials.
3. The anti-blocking feeding device according to claim 1, wherein the scraping component comprises a supporting rod (11), a loop bar (12) is sleeved on the outer surface of the supporting rod (11), the loop bar (12) is rotatably connected with the supporting rod (11), a plurality of scraping plates (13) are arranged on the loop bar (12) along the axial direction of the loop bar, the scraping plates (13) are in contact with blades of the spiral conveying rod (8), a driving electric cylinder (14) for driving the supporting rod (11) to move up and down is installed on the outer side of the box body (1), and a clamping component for clamping the position of the loop bar (12) is installed in the loop bar (12).
4. The anti-blocking feeding device according to claim 3, wherein a cavity is formed in the middle of the support rod (11), the clamping component comprises an air bag, the air bag is installed in the cavity, a plurality of accommodating grooves (15) are uniformly distributed in the support rod (11) along the radial direction of the support rod, balls (16) are installed in the accommodating grooves (15), springs (17) are installed between the accommodating grooves (15) and the balls (16), through holes (18) are formed between the accommodating grooves (15) and the cavity, ejector rods (19) are slidably installed in the through holes (18), one end of each ejector rod (19) is in contact with the corresponding ball (16), the other end of each ejector rod (19) extends into the cavity, an inflator pump (20) is installed at one end of the support rod (11), and the inflator pump (20) is communicated with the air bag, the other surface of the loop bar (12) is provided with a clamping groove matched with the ball (16).
5. The anti-clogging feeding device according to claim 4, characterized in that the inflator pump (20) is a suction pump.
6. The anti-blocking feeding device according to claim 4, characterized in that one end of the ejector rod (19) contacting with the ball (16) is provided with a stop block for preventing the ejector rod (19) from sliding from the through hole (18).
7. The anti-blocking feeding device according to claim 4, wherein sliding grooves are formed in two sides of the box body (1), the supporting rod (11) is slidably mounted in the sliding grooves, and an organ cover (21) is mounted between the supporting rod (11) and the sliding grooves.
8. The anti-blocking feeding device according to claim 1, characterized in that the lower end of one side of the box body (1) close to the discharge hole (10) is provided with an inclined surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210641376.5A CN114987954B (en) | 2022-06-07 | 2022-06-07 | Anti-blocking feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210641376.5A CN114987954B (en) | 2022-06-07 | 2022-06-07 | Anti-blocking feeding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114987954A true CN114987954A (en) | 2022-09-02 |
| CN114987954B CN114987954B (en) | 2024-02-06 |
Family
ID=83032172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210641376.5A Active CN114987954B (en) | 2022-06-07 | 2022-06-07 | Anti-blocking feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114987954B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115626497A (en) * | 2022-11-11 | 2023-01-20 | 北新建材(陕西)有限公司 | Anti-bridging starch adding device and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB975257A (en) * | 1960-02-12 | 1964-11-11 | Polysius Gmbh | Improvements in or relating to rotary shaft coolers and crushers |
| CN206715888U (en) * | 2017-04-27 | 2017-12-08 | 四川雷鸣环保装备有限公司 | Lignite base couples the pretreating device of synthesising biological natural gas processed with biomass |
| CN108970720A (en) * | 2018-09-03 | 2018-12-11 | 力鸿智信（北京）科技有限公司 | A kind of solid mineral sample-preparing system |
| CN112224748A (en) * | 2020-10-17 | 2021-01-15 | 李聪 | Cut tobacco lifting device and method for feeding |
| CN112962703A (en) * | 2021-02-07 | 2021-06-15 | 林德贞 | Hydraulic engineering silt is handled and is used underwater desilting device |
| CN216071770U (en) * | 2021-10-30 | 2022-03-18 | 杭州富阳鹳山混凝土有限公司 | Feeding screw machine with anti-blocking structure |
-
2022
- 2022-06-07 CN CN202210641376.5A patent/CN114987954B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB975257A (en) * | 1960-02-12 | 1964-11-11 | Polysius Gmbh | Improvements in or relating to rotary shaft coolers and crushers |
| CN206715888U (en) * | 2017-04-27 | 2017-12-08 | 四川雷鸣环保装备有限公司 | Lignite base couples the pretreating device of synthesising biological natural gas processed with biomass |
| CN108970720A (en) * | 2018-09-03 | 2018-12-11 | 力鸿智信（北京）科技有限公司 | A kind of solid mineral sample-preparing system |
| CN112224748A (en) * | 2020-10-17 | 2021-01-15 | 李聪 | Cut tobacco lifting device and method for feeding |
| CN112962703A (en) * | 2021-02-07 | 2021-06-15 | 林德贞 | Hydraulic engineering silt is handled and is used underwater desilting device |
| CN216071770U (en) * | 2021-10-30 | 2022-03-18 | 杭州富阳鹳山混凝土有限公司 | Feeding screw machine with anti-blocking structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115626497A (en) * | 2022-11-11 | 2023-01-20 | 北新建材(陕西)有限公司 | Anti-bridging starch adding device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114987954B (en) | 2024-02-06 |
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