CN113941508A - Ore divides screen (ing) machine - Google Patents
Ore divides screen (ing) machine Download PDFInfo
- Publication number
- CN113941508A CN113941508A CN202111203847.6A CN202111203847A CN113941508A CN 113941508 A CN113941508 A CN 113941508A CN 202111203847 A CN202111203847 A CN 202111203847A CN 113941508 A CN113941508 A CN 113941508A
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- Prior art keywords
- screening
- ore
- box
- fine
- machine
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Classifications
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- 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
- B07B15/00—Combinations of apparatus for separating solids from solids by dry methods applicable to bulk material, e.g. loose articles fit to be handled like bulk material
-
- 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
- B07B1/06—Cone or disc shaped screens
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- 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
-
- 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
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/04—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices according to size
- B07B13/05—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices according to size using material mover cooperating with retainer, deflector or discharger
-
- 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
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/08—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force
- B07B7/083—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by rotating vanes, discs, drums, or brushes
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- 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
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
Landscapes
- Manufacture And Refinement Of Metals (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses an ore screening machine which comprises a screening box, a rotating column, a rotating motor, a primary screening disc, a fine screening box and a guide plate, wherein the rotating column is arranged at the top of the screening box and penetrates through the screening box, the rotating motor is connected to the top of the rotating column, the primary screening disc is connected to the bottom of the rotating column, the fine screening box is arranged at the bottom of the primary screening disc, and the guide plate is spirally arranged along the inner wall of the screening box. The ore screening machine is provided with multiple powder screening devices, and can be used for screening various kinds of powder.
Description
Technical Field
The invention relates to the field of ore screening devices, in particular to an ore screening machine.
Background
In the steel production process, a sintering process is firstly carried out. Sintering is the process of heating a powder or powder compact to a temperature below the melting point of the essential components therein, and then cooling to room temperature at a certain rate and method. As a result of sintering, bonding between the powder particles occurs, the strength of the sintered body increases, and the agglomerates of the powder particles become agglomerates of grains, thereby obtaining the desired physical and mechanical properties of the article or material.
Before powder sintering, the ore is needed to be smashed into mineral powder, so that various powdery iron-containing raw materials are mixed with proper amount of fuel and flux, proper amount of water is added, after mixing and pelletizing, a series of physical and chemical changes are generated on sintering equipment, and mineral powder particles are bonded into blocks.
And present ore powder is beaten the powder back, just carries out the screening of farine after the preliminary screening, and can not carry out unnecessary screening to the coarse ore, can lead to a lot of coarse ores to be smashed again together like this, and still adopt original rubble device in the regrinding, if with the little stone crusher of dynamics, large-scale coarse ore can lead to its device to damage, but with its power consumption of large-scale stone crusher coarse ore big, big to energy resource consumption.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides an ore screening machine which can be used for screening various ore powder in one device by fine screening of various stone diameters.
The invention provides an ore screening machine, which comprises a screening box, a rotating column, a rotating motor, a primary screening disc, a fine screening box and a guide plate, wherein the rotating column is arranged at the top of the screening box and penetrates through the screening box; the primary screening disc comprises a conical plate, a fine powder baffle annularly arranged on the conical plate and oblique strips circumferentially arranged on the fine powder baffle; the top of the screening box is provided with a feed inlet, the bottom of the screening box is provided with a discharge outlet, and the discharge outlet is arranged in the fine screening box.
The invention also provides the following optimization scheme:
preferably, the discharge hole is arranged in an inverted cone shape.
Preferably, the fine powder baffle is annularly arranged in multiple layers.
Preferably, the inclined bars extend obliquely along the radius direction of the primary screening disc.
Preferably, the primary screening disc is provided with primary screening disc holes.
Preferably, the guide plate is provided with a guide plate hole.
Preferably, the feed inlet is arranged right above the fine powder baffle plate at the topmost layer of the primary screening disc.
Preferably, a stone outlet is arranged on the side surface of the screening box.
Preferably, the side surface of the bottom of the fine sieve box is provided with a fine sieve box vent pipe.
Preferably, a discharge port air inlet pipe is arranged on the side face of the discharge port.
The invention has the beneficial effects that:
1. the ore screening machine is provided with multiple powder screening devices, so that various screening of powder can be performed;
2. the ore screening machine disclosed by the invention utilizes gravity to screen powder for multiple times, and the screening of other powder is not influenced in the powder screening process;
3. in the multiple powder screening process of the ore screening machine, large-size ores can be transferred by utilizing the rotating force, so that the possibility of blockage is reduced;
4. the ore screening machine provided by the invention has the advantages that the impact of ore on the inner wall of the screening box in the screening process is reduced as much as possible, the ore is guided to roll through the inner wall, and the powder screening is further carried out in the process.
Drawings
FIG. 1 is a front view of an ore sizer of the present invention;
FIG. 2 is a perspective view of the ore screening machine of the present invention;
FIG. 3 is a cross-sectional view of an ore screening machine of the present invention;
FIG. 4 is a front perspective view of the mineral sizer of the present invention;
FIG. 5 is a top perspective view of the mineral sizer of the present invention;
FIG. 6 is a perspective view of the mineral sizer of the present invention;
the specific reference numerals are:
1, a screening box; 2, rotating the column; 3 rotating the motor; 4, primary screening; 5, a fine screen box; 6 guiding the board; 11 a feed inlet; 12, discharging a material outlet; 13 a stone outlet; 14, a discharge hole air inlet pipe; 41 a tapered plate; 42 fine powder baffle plates; 43 oblique strips; 44 primary screening disc holes; 51 fine screen box vent pipe; 61 guide plate holes.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the present invention will be further described in detail with reference to the following embodiments.
As shown in fig. 1-6, the ore screening machine provided by the invention comprises a screening box 1, a rotating column 2 arranged at the top of the screening box 1 and penetrating through the screening box 1, a rotating motor 3 connected and arranged at the top of the rotating column 2, a primary screening tray 4 connected and arranged at the bottom of the rotating column 2, a fine screening box 5 arranged at the bottom of the primary screening tray 4, and a guide plate 6 spirally arranged along the inner wall of the screening box 1; the primary screening disc 4 comprises a conical plate 41, a fine powder baffle plate 42 annularly arranged on the conical plate 41 and inclined strips 43 circumferentially arranged on the fine powder baffle plate 42; the top of the screening box 1 is provided with a feeding hole 11, the bottom of the screening box 1 is provided with a discharging hole 12, and the discharging hole 12 is arranged in the fine screening box 5.
As shown in fig. 1, the screening box 1 is preferably arranged in a circular shape, and the screening box 1 comprises an inner chamber into which the fine qualified powder is screened and an outer chamber part to which the ore of a slightly larger size is screened by a prescreen tray 4. The inner cavity part is enclosed into an inner space through the primary screening plate 4, the fine screening box 5 and the discharge port 12 for filtering fine powder. The primary screening disk 4 is arranged in a conical shape, and a conical plate 41 surrounds the top of the fine screening box 5 and covers the top of the fine screening box 5. The conical plate 41 and the fine screen box 5 are in rotary connection. The fine screen box 5 is preferably arranged in a circular shape, the fine screen box 5 is fixedly connected with the bottom of the sub-screen box 1, the fine screen box 5 divides the sub-screen box 1 into an inner cavity and an outer cavity, and the discharge hole 12 is preferably arranged at the bottom of the fine screen box 5 and isolated from the outer cavity of the sub-screen box 1. Divide screen box 1 top center to be provided with and rotate post 2, rotate post 2 and run through the top of dividing screen box 1 and with divide screen box 1 relative rotation. The top of the rotating column 2 is connected with a rotating motor 3, and the rotating motor 3 drives the rotating column 2 to rotate around the horizontal circumference of the central point of the sieving box 1. The top center of the primary screening disc 4 is fixedly connected with the rotating column 2. And the radius of the rotating column 2 is preferably smaller than the radius of the fines baffle 42 and the feed port 11 is preferably located outside the rotating column 2. The fine powder baffle 42 is annularly arranged on the upper surface of the conical plate 41 and is slightly higher than the conical plate 41, and the height of the fine powder baffle 42 depends on the powder particle size of the fine powder to be screened and the magnitude of the rotating force. The fines baffles 42 are preferably set at a height of 2-10 cm. The fine powder baffle 42 is provided with inclined oblique strips 43 which slightly extend outwards, and the extending direction of the oblique strips 43 is the radial extending direction of the fine screen box 5. The slanted bars 43 are preferably provided in plurality at equal circumferential distances, and the lengths of the slanted bars 43 are set such that the radial lengths of the largest stone block are approximately the same. The guide plates 6 are arranged on the inner wall of the classifying box 1 and extend spirally downward to the bottom position of the classifying box 1.
The discharge hole 12 is formed in an inverted cone shape. The discharge port 12 is formed in an inverted cone shape to facilitate the falling and collection of the fine powder.
The fines baffles 42 are arranged in multiple layers in a ring. The fine powder baffle plates 42 are provided with a plurality of layers of fine sieves capable of performing multiple fine sieving on ore powder, after enough fine powder is collected by the fine powder baffle plates 42 at the innermost layer in a short time, the sieve holes can be blocked by a plurality of coarse ores, and the fine powder in the fine powder baffle plates 42 can slide towards the fine powder baffle plates 42 at the outer sides under the action of gravity under the condition that the fine powder in the fine powder baffle plates 42 at the inner parts is enough in powder. When the efficiency of sieving the powder in the plurality of fine powder baffles 42 is reduced, the rotary electric machine 3 may be started to perform the operation of throwing off the ore in the fine powder baffles 42.
As shown in fig. 6, the slanted bars 43 extend obliquely in the radial direction of the scalping basin 4. The slanted bars 43 may extend in the radial direction of the prescreen tray 4, or in other directions, but preferably extend in the same direction as the direction of rotation.
The primary screening disk 4 is provided with primary screening disk holes 44. The radius of the primary screening disk holes 44 is preferably larger than the maximum suitable radius of the fine powder, more preferably, the primary screening disk holes 44 can be set to be circular holes, also can be set to be arc-shaped holes, and more preferably, the circular holes and the arc-shaped holes can be simultaneously set.
The guide plate 6 is provided with a guide plate hole 61. The purpose of the guide plate holes 61 is to slide some slightly smaller ore thrown onto the guide plate 6 under the effect of the rotational force through the guide plate holes 61 directly below the guide plate 6, the guide plate holes 61 preferably being arranged at a position away from the lowest position of the guide plate 6. This allows to distinguish the falling zone from the large and medium-sized ores that slide to the bottom of the guide plate 6.
The feed opening 11 is arranged directly above the fines baffle 42 at the topmost level of the primary tray 4. The feed port 11 is provided at a position directly above the prescreen tray 4, and the feed port 11 may be provided in plurality, and the feed port 11 is preferably provided at an outer position of the rotary column 2.
The side surface of the screening box 1 is provided with a stone outlet 13. The stone outlet 13 is preferably arranged at the bottom of the guide plate 6 in such a position that it facilitates the sliding out of the large stones. More preferably, the rock material outlet 13 coincides with the extension of the bottom of the directing plate 6, which enables large rock material to roll directly from the directing plate 6 to the rock material outlet 13.
And a fine screen box vent pipe 51 is arranged on the side surface of the bottom of the fine screen box 5. The fine screen box vent 51 is preferably arranged in an inclined downwardly and outwardly extending arrangement which reduces the flow of powder from the outer chamber into the inner chamber.
And a discharge port air inlet pipe 14 is arranged on the side surface of the discharge port 12. The spout inlet duct 14 is provided to extend obliquely upward and outward.
Examples
As shown in fig. 1-6, the ore screening machine of the present embodiment includes a screening box 1, a rotating column 2 disposed on the top of the screening box 1 and penetrating through the screening box 1, a rotating motor 3 connected to the top of the rotating column 2, a primary screening plate 4 connected to the bottom of the rotating column 2, a fine screening box 5 disposed at the bottom of the primary screening plate 4, and a guide plate 6 spirally disposed along the inner wall of the screening box 1; the primary screening disc 4 comprises a conical plate 41, a fine powder baffle plate 42 annularly arranged on the conical plate 41 and inclined strips 43 circumferentially arranged on the fine powder baffle plate 42; the top of the screening box 1 is provided with a feeding hole 11, the bottom of the screening box 1 is provided with a discharging hole 12, and the discharging hole 12 is arranged in the fine screening box 5. The discharge hole 12 is formed in an inverted cone shape. The fines baffles 42 are arranged in multiple layers in a ring. The inclined bars 43 extend obliquely in the radial direction of the prescreening plate 4. The primary screening disk 4 is provided with primary screening disk holes 44. The guide plate 6 is provided with a guide plate hole 61. The feed opening 11 is arranged directly above the fines baffle 42 at the topmost level of the primary tray 4. The side surface of the screening box 1 is provided with a stone outlet 13. And a fine screen box vent pipe 51 is arranged on the side surface of the bottom of the fine screen box 5. And a discharge port air inlet pipe 14 is arranged on the side surface of the discharge port 12.
The use method of the ore screening machine in the embodiment comprises the following steps:
and pouring the crushed coarse ore powder to be screened into the screening box 1 from the feeding hole 11, starting the low-speed gear of the rotating motor 3, and driving the rotating column 2 to rotate at low speed together by the low-speed rotation of the rotating motor 3. The coarse ore powder falls onto the primary screening tray 4, and large ore tends to roll outwards again when falling onto the primary screening tray 4 under the action of gravity. At this time, due to the length relationship of the oblique strips 43, large ores cannot be stabilized on the primary screening plate 4, and stones with overlarge volumes directly slide out of the oblique strips 43 from the primary screening plate 4 and fall onto the guide plate 6. Small stones are retained in the primary screening disks 4 by the slanted bars 43, and the primary screening disks 4 rotate to drive the stones in the primary screening disks 4 to rotate, so that fine powder slides from the primary screening disk holes 44 on the primary screening disks 4 into the fine screening boxes 5. After the coarse ore powder has carried out a ripples screening, increase the speed of rotating electrical machines 3 for medium-sized ore is thrown away from preliminary screening dish 4, and because the arc sieve mesh setting of preliminary screening dish hole 44 is at the most inboard of fine powder baffle 42, under the effect of the rotatory power, the fine powder can be rotated the arc sieve mesh position, can clear up the powder on preliminary screening dish 4, in qualified fine powder can be sieved fine screen case 5, unqualified coarse ore can be sieved the exocoel of branch sieve case 1 through guide board 6. A proper amount of drying or cooling gas can be introduced into the discharge port gas inlet pipe 14 to prevent the humidity in the box from being too high or the temperature from being too high, and the gas respectively sequentially passes through the inner cavity and the outer cavity through the discharge port gas inlet pipe 14 and the fine screen box vent pipe 51 to form circulating gas flow.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and these modifications and adaptations should be considered within the scope of the invention.
Claims (10)
1. The utility model provides an ore divides screen (ing) machine which characterized in that: the device comprises a screening box, a rotating column, a rotating motor, a primary screening disc, a fine screening box and a guide plate, wherein the rotating column is arranged at the top of the screening box and penetrates through the screening box; the primary screening disc comprises a conical plate, a fine powder baffle annularly arranged on the conical plate and oblique strips circumferentially arranged on the fine powder baffle; the top of the screening box is provided with a feed inlet, the bottom of the screening box is provided with a discharge outlet, and the discharge outlet is arranged in the fine screening box.
2. The ore screening machine of claim 1, wherein: the discharge hole is arranged to be in an inverted cone shape.
3. The ore screening machine of claim 1, wherein: the fine powder baffle plates are annularly arranged in a plurality of layers.
4. The ore screening machine of claim 1, wherein: the inclined bars extend obliquely along the radius direction of the primary screening disc.
5. The ore screening machine of claim 1, wherein: and the primary screening disc is provided with primary screening disc holes.
6. The ore screening machine of claim 1, wherein: and the guide plate is provided with a guide plate hole.
7. The ore screening machine of claim 1, wherein: the feed inlet is arranged right above the fine powder baffle at the topmost layer of the primary screening disc.
8. The ore screening machine of claim 1, wherein: and a stone outlet is arranged on the side surface of the screening box.
9. The ore screening machine of claim 1, wherein: and a fine screen box vent pipe is arranged on the side surface of the bottom of the fine screen box.
10. The ore screening machine of claim 1, wherein: and a discharge port air inlet pipe is arranged on the side surface of the discharge port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111203847.6A CN113941508B (en) | 2021-10-15 | 2021-10-15 | Ore screening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111203847.6A CN113941508B (en) | 2021-10-15 | 2021-10-15 | Ore screening machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113941508A true CN113941508A (en) | 2022-01-18 |
| CN113941508B CN113941508B (en) | 2023-06-02 |
Family
ID=79330657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111203847.6A Active CN113941508B (en) | 2021-10-15 | 2021-10-15 | Ore screening machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113941508B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4185746A (en) * | 1977-12-01 | 1980-01-29 | Bethlehem Steel Corporation | Particulate size separator and method of operating |
| US4319995A (en) * | 1981-03-30 | 1982-03-16 | Mineral Recovery Corporation | Process and apparatus for separating particles by relative density |
| US6439394B1 (en) * | 2000-02-17 | 2002-08-27 | Sortech Separation Technologies, Ltd. | Separator for dry separation of powders |
| CN202725512U (en) * | 2012-08-01 | 2013-02-13 | 安徽理工大学 | Full-grain high-efficiency dry coal preparation system for power coal separation |
| CN204396331U (en) * | 2014-11-26 | 2015-06-17 | 大亚木业(江西)有限公司 | Disc type bark screens out mechanism |
| CN206701685U (en) * | 2017-04-24 | 2017-12-05 | 深圳微纳增材技术有限公司 | A kind of online metal dust screening machine suitable for 3D printing |
| CN108582546A (en) * | 2018-03-19 | 2018-09-28 | 江苏昊晟塑业科技有限公司 | The stock stirring device of extruding machine |
| CN208555048U (en) * | 2018-04-17 | 2019-03-01 | 新昌县中邦塑粉科技有限公司 | A kind of high-precision molding powder classified screening device |
| CN209334160U (en) * | 2018-10-24 | 2019-09-03 | 巴州磊溢泥浆材料有限公司 | A kind of thickness preparation equipment |
-
2021
- 2021-10-15 CN CN202111203847.6A patent/CN113941508B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4185746A (en) * | 1977-12-01 | 1980-01-29 | Bethlehem Steel Corporation | Particulate size separator and method of operating |
| US4319995A (en) * | 1981-03-30 | 1982-03-16 | Mineral Recovery Corporation | Process and apparatus for separating particles by relative density |
| US6439394B1 (en) * | 2000-02-17 | 2002-08-27 | Sortech Separation Technologies, Ltd. | Separator for dry separation of powders |
| CN202725512U (en) * | 2012-08-01 | 2013-02-13 | 安徽理工大学 | Full-grain high-efficiency dry coal preparation system for power coal separation |
| CN204396331U (en) * | 2014-11-26 | 2015-06-17 | 大亚木业(江西)有限公司 | Disc type bark screens out mechanism |
| CN206701685U (en) * | 2017-04-24 | 2017-12-05 | 深圳微纳增材技术有限公司 | A kind of online metal dust screening machine suitable for 3D printing |
| CN108582546A (en) * | 2018-03-19 | 2018-09-28 | 江苏昊晟塑业科技有限公司 | The stock stirring device of extruding machine |
| CN208555048U (en) * | 2018-04-17 | 2019-03-01 | 新昌县中邦塑粉科技有限公司 | A kind of high-precision molding powder classified screening device |
| CN209334160U (en) * | 2018-10-24 | 2019-09-03 | 巴州磊溢泥浆材料有限公司 | A kind of thickness preparation equipment |
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| Publication number | Publication date |
|---|---|
| CN113941508B (en) | 2023-06-02 |
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