CN113798030A - Dedicated sample grinding device of solid state dairy products pretreatment - Google Patents
Dedicated sample grinding device of solid state dairy products pretreatment Download PDFInfo
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- CN113798030A CN113798030A CN202111103848.3A CN202111103848A CN113798030A CN 113798030 A CN113798030 A CN 113798030A CN 202111103848 A CN202111103848 A CN 202111103848A CN 113798030 A CN113798030 A CN 113798030A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2866—Grinding or homogeneising
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses special sample grinding equipment for pretreatment of a solid dairy product, which is particularly used in the technical field of laboratory equipment and comprises a hollow fixing column, a first grinding device, a second grinding device and a driving device, wherein the hollow fixing column is arranged on the front end of the sample grinding equipment; the driving device comprises a first driving motor, a first rotating shaft, a driving wheel, a first transmission belt, a driven wheel, a second rotating shaft, a transmission sleeve rod, a connecting fixed rod and a rotating bearing; the fixing column is provided with a fixing frame and an L-shaped rotating seat, the first driving motor is fixedly arranged on the fixing frame, the output end of the first driving motor is fixed with the first rotating shaft, the driving wheel is coaxially connected with the first rotating shaft, and the first rotating shaft is rotatably connected with the L-shaped rotating seat. The invention has the advantages of high grinding efficiency and uniform sample particles obtained by grinding.
Description
Technical Field
The invention is used in the technical field of laboratory equipment, and particularly relates to sample grinding equipment special for pretreatment of a solid dairy product.
Background
Sample grinding and screening is a common pre-treatment in the laboratory and is commonly used for sample grinding and screening. Grinding is generally used before the sample is sieved, requiring rapid comminution and homogenization of the sample. It is common practice to grind the sample manually by means of a grinding rod, thereby crushing the sample. The ground sample passes through various types of sieve pores, and the ground particles or powder are manually prepared by dividing into different particle size grades, so that the uniformity of the sample is ensured.
However, the grinding process commonly used in laboratories is performed manually, and the thickness of the ground sample particles is not uniform, which greatly affects the overall pretreatment efficiency.
Disclosure of Invention
The invention aims to provide a special sample grinding device for pretreatment of a solid dairy product, which has the advantages of high grinding efficiency and uniform ground sample particles.
In order to achieve the above purpose, the invention provides the following technical scheme:
a special sample grinding device for pretreatment of a solid dairy product comprises a hollow fixing column, a first grinding device for grinding a sample at the side end of a container, a second grinding device for grinding a sample at the bottom of the container and a driving device; the driving device comprises a first driving motor, a first rotating shaft, a driving wheel, a first transmission belt, a driven wheel, a second rotating shaft, a transmission sleeve rod, a connecting fixed rod and a rotating bearing; the fixed column is provided with a fixed frame and an L-shaped rotating seat, the first driving motor is fixedly arranged on the fixed frame, the output end of the first driving motor is fixed with the first rotating shaft, the driving wheel is coaxially connected with the first rotating shaft, and the first rotating shaft is rotatably connected with the L-shaped rotating seat; one end of the first transmission belt is fixedly wound with the side end of the driven wheel, and the other end of the first transmission belt is fixedly wound with the side end of the driving wheel; the second rotating shaft is coaxially and fixedly connected with the driven wheel; the one end of connecting the dead lever is fixed mutually with the side of fixed column, and the other end is fixed mutually with rolling bearing, the transmission loop bar rotates the cover and establishes the tip at the second axis of rotation, rolling bearing and transmission loop bar sliding connection on the horizontal direction, the one end and the first grinder of second axis of rotation are fixed mutually dorsad to the transmission loop bar.
Preferably, the first grinding device comprises a first arc-shaped grinding sheet, and the transmission sleeve rod is fixed to the side end of the first arc-shaped grinding sheet.
Preferably, the driving device further comprises a torsion spring for restoring the rotation of the driven wheel, one end of the torsion spring is fixed with the driven wheel, and the other end of the torsion spring is fixed with the second rotating shaft.
Preferably, the grinding device further comprises a hollow positioning column and a positioning rod, the positioning column is arranged below the fixing column, one end of the positioning rod is connected with the rotating bearing in a sliding mode in the horizontal direction, and the other end of the positioning rod is fixed to the side end of the positioning column.
Preferably, the outer side end of the transmission sleeve rod is provided with a transverse sliding groove, and correspondingly, the inner side of the rotating bearing is provided with a sliding block matched with the sliding groove.
Preferably, the driving device further comprises a first driving wheel, a second driving belt, a third driving wheel, a fourth driving wheel, a third driving belt and a connecting rod; an extension rod is arranged below the first arc-shaped grinding sheet; the first transmission wheel is fixedly arranged on the extension rod, one end of the second transmission belt is fixed with the second transmission wheel, and the other end of the second transmission belt is fixed with the transmission wheel; the second transmission wheel is in transmission connection with the third transmission wheel, one end of the third transmission belt is wound on the third transmission wheel, the end part of the third transmission belt is fixed with the third transmission wheel, the other end of the third transmission belt is fixed with the fourth transmission wheel, one end of the connecting rod is fixed with the side end of the fourth transmission wheel, the other end of the connecting rod is fixed with the second grinding device, and the second grinding device and the first grinding device are identical in structure.
Preferably, the driving device further comprises a connecting fixing piece, a sliding rail and a rotating shaft, the sliding rail is matched with the fourth driving wheel and slides up and down, one end of the connecting fixing piece is fixed to the side end of the positioning column, the other end of the connecting fixing piece is fixed to the sliding rail, a through groove for the connecting rod to penetrate out is formed in the side end of the sliding rail, and the third driving wheel is rotatably arranged on the sliding rail through the rotating shaft.
Preferably, a transmission plate is fixedly arranged at the lower end of the second transmission wheel, a first transmission tooth is arranged below the transmission plate, and correspondingly, a second transmission tooth meshed with the transmission tooth is arranged at the side end of the third transmission wheel.
Preferably, the grinding device further comprises a second driving motor for driving the fixed column to rotate, and the shell, wherein the second driving motor is arranged in the shell.
Preferably, the upper end of the shell is provided with a handle rod and a handle part, one end of the handle rod is fixed with the upper end of the shell, and the other end of the handle rod is fixed with the handle part.
In the technical scheme, the invention provides the following technical effects and advantages:
the samples distributed on the inner wall of the container are ground by controlling the first grinding device, and the samples distributed on the bottom of the container are ground by the second grinding device, so that the contact area between the samples and the grinding device can be increased, and fine sample particles can be ground more favorably. Meanwhile, the grinding equipment grinds the sample in a pressing mode, namely, the force perpendicular to the direction of the inner wall of the sample container is applied, so that the sample can be prevented from splashing in the grinding process. By using the grinding equipment, the grinding efficiency can be improved, and the loss of samples in the grinding process can be reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic structural diagram of a special sample grinding device for pretreatment of a solid dairy product according to the present invention;
FIG. 2 is a schematic view of a partial structure of a special sample grinding apparatus for pretreatment of a solid dairy product according to the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of portion B of FIG. 2;
FIG. 5 is a schematic view of a partial structure of a special sample grinding apparatus for pretreatment of a solid dairy product according to the present invention;
fig. 6 is an enlarged view of a portion C in fig. 5.
Description of reference numerals:
1. the grinding device comprises a fixed column, 11, a driving wheel, 12, a first rotating shaft, 13, an 'L' -rotating seat, 14, a first driving belt, 15, a driven wheel, 16, a connecting fixed rod, 17, a second rotating shaft, 18, a rotating bearing, 19, a driving sleeve rod, 22, a first arc-shaped grinding sheet, 23, an extending rod, 25, a first driving wheel, 26, a second driving belt, 27, a second driving wheel, 271, a driving plate, 272, a driving tooth, 28, a third driving wheel, 281, a rotating shaft, 29, a sliding rail, 30, a connecting fixed sheet, 32, a fourth driving wheel, 33, a connecting rod, 5, a shell, 6, a handle rod, 61, a handle part, 71, a positioning column, 72 and a positioning rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 6, a special sample grinding device for pretreatment of a solid dairy product comprises a hollow fixing column 1, a first grinding device for grinding a sample at the side end of a container, a second grinding device for grinding a sample at the bottom of the container and a driving device; the driving device comprises a first driving motor, a first rotating shaft 12, a driving wheel 11, a first transmission belt 14, a driven wheel 15, a second rotating shaft 17, a transmission sleeve rod 19, a connecting fixed rod 16 and a rotating bearing 18; a fixed frame and an L-shaped rotating seat 13 are arranged on the fixed column 1, a first driving motor is fixedly arranged on the fixed frame, the output end of the first driving motor is fixed with a first rotating shaft 12, a driving wheel 11 is coaxially connected with the first rotating shaft 12, and the first rotating shaft 12 is rotatably connected with the L-shaped rotating seat 13; one end part of the first transmission belt 14 is fixedly wound with the side end of the driven wheel 15, and the other end part of the first transmission belt is fixedly wound with the side end of the driving wheel 11; the second rotating shaft 17 is coaxially and fixedly connected with the driven wheel 15; one end of the connecting fixing rod 16 is fixed to the side end of the fixing column 1, the other end of the connecting fixing rod is fixed to the rotating bearing 18, the transmission sleeve rod 19 is rotatably sleeved on the end portion of the second rotating shaft 17, the rotating bearing 18 and the transmission sleeve rod 19 are connected in a sliding mode in the horizontal direction, and one end, back to the second rotating shaft 17, of the transmission sleeve rod 19 is fixed to the first grinding device.
In this embodiment, after the driving wheel 11 is driven by the first driving motor, the driven wheel 15 can be pulled to rotate (the first driving belt 14 is wound around the driven wheel 15 and the driving wheel 11), so as to drive the second rotating shaft 17 to rotate, because the driving sleeve rod 19 and the second rotating shaft 17 are in threaded connection, and the driving sleeve rod 19 is controlled by the rotating bearing 18, so as to move in the horizontal direction, so as to push the first grinding device to the inside of the container, thereby realizing the grinding of the sample.
In this embodiment, the first grinding device includes a first arc-shaped grinding plate 22, and the driving sleeve rod 19 is fixed to the side end of the first arc-shaped grinding plate 22.
In this embodiment, the driving device further includes a torsion spring for restoring the rotation of the driven wheel 15, and one end of the torsion spring is fixed to the driven wheel 15 and the other end thereof is fixed to the second rotating shaft 17. If the driven wheel 15 rotates in a counterclockwise direction, the driving rod 19 pushes the first grinding means towards the inner wall of the container. When the first grinding device does not need to work, the first driving motor can be stopped, and the torsion spring is adopted to reset the driven wheel 15.
The positioning column 71 is disposed below the fixing column 1, one end of the positioning rod 72 is connected to the rotating bearing 18 in a sliding manner in a horizontal direction, and the other end of the positioning rod is fixed to a side end of the positioning column 71.
In order to prevent the driving rod 19 from rotating relatively, the outer end of the driving rod 19 is provided with a transverse sliding slot 190, and correspondingly, the inner side of the rotating bearing 18 is provided with a sliding block matched with the sliding slot 190.
6. The special sample grinding device for the pretreatment of the solid dairy product according to claim 1, wherein the driving device further comprises a first driving wheel 25, a second driving wheel 27, a second driving belt 26, a third driving wheel 28, a fourth driving wheel 32, a third driving belt 31 and a connecting rod 33; an extension rod 23 is arranged below the first arc-shaped grinding sheet 22; the first driving wheel 25 is fixedly arranged on the extension rod 23, one end of the second driving belt 26 is fixed with the second driving wheel 27, and the other end is fixed with the first driving wheel 25; the second driving wheel 27 is in transmission connection with the third driving wheel 28, one end of a third driving belt 31 is wound on the third driving wheel 28, the end part of the third driving belt is fixed with the third driving wheel 28, the other end of the third driving belt is fixed with the fourth driving wheel 32, one end of a connecting rod 33 is fixed with the side end of the fourth driving wheel 32, the other end of the connecting rod is fixed with the second grinding device, and the second grinding device and the first grinding device are identical in structure.
The driving device further comprises a connecting and fixing plate 30, a sliding rail 29 and a rotating shaft 281, the sliding rail 29 is matched with a fourth driving wheel 32 and is arranged in the fourth driving wheel 32 to slide up and down, one end of the connecting and fixing plate 30 is fixed to the side end of the positioning column 71, the other end of the connecting and fixing plate is fixed to the sliding rail 29, a through groove for the connecting rod 33 to penetrate out is formed in the side end of the sliding rail 29, and the third driving wheel 28 is rotatably arranged on the sliding rail 29 through the rotating shaft 281.
The lower end of the second driving wheel 27 is fixedly provided with a driving plate 271, a first driving tooth 272 is arranged below the driving plate 271, and correspondingly, the side end of the third driving wheel 28 is provided with a second driving tooth meshed with the driving tooth 272.
In this embodiment, the horizontal movement of the first arc-shaped polishing plate 22 drives the first driving wheel 25 to also move horizontally. Meanwhile, when the second transmission wheel 27 moves horizontally, the third transmission wheel 28 meshed with the second transmission wheel is driven to rotate, so that the fourth transmission wheel 32 is controlled to move up and down, and the second grinding device 34 can be staggered with the first grinding device to be contacted with the sample.
When the first grinding device is contacted with the sample, the sample is extruded to the second grinding device, and vice versa. When the sample is squeezed back and forth between the first grinding device and the second grinding device, the sample can be more favorably ground into fine and uniform particles.
The embodiment further comprises a second driving motor and a shell 5, wherein the second driving motor is used for driving the fixing column 1 to rotate, and the second driving motor is arranged in the shell 5.
In this embodiment, the upper end of the housing 5 is provided with a handle bar 6 and a handle part 61, one end of the handle bar 6 is fixed with the upper end of the housing 5, and the other end is fixed with the handle part 61.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (10)
1. The special sample grinding equipment for pretreatment of the solid dairy product is characterized by comprising a hollow fixing column (1), a first grinding device for grinding a sample at the side end of a container, a second grinding device for grinding a sample at the bottom of the container and a driving device;
the driving device comprises a first driving motor, a first rotating shaft (12), a driving wheel (11), a first transmission belt (14), a driven wheel (15), a second rotating shaft (17), a transmission sleeve rod (19), a connecting fixing rod (16) and a rotating bearing (18);
a fixing frame and an L-shaped rotating seat (13) are arranged on the fixing column (1), the first driving motor is fixedly arranged on the fixing frame, the output end of the first driving motor is fixed with the first rotating shaft (12), the driving wheel (11) is coaxially connected with the first rotating shaft (12), and the first rotating shaft (12) is rotatably connected with the L-shaped rotating seat (13);
one end of the first transmission belt (14) is fixedly wound with the side end of the driven wheel (15), and the other end of the first transmission belt is fixedly wound with the side end of the driving wheel (11);
the second rotating shaft (17) is coaxially and fixedly connected with the driven wheel (15);
the one end of connecting dead lever (16) is fixed mutually with the side of fixed column (1), and the other end is fixed mutually with rolling bearing (18), transmission loop bar (19) are rotated the cover and are established the tip at second axis of rotation (17), rolling bearing (18) and transmission loop bar (19) sliding connection on the horizontal direction, transmission loop bar (19) are fixed mutually with first grinder dorsad the one end of second axis of rotation (17).
2. The special sample grinding device for the pretreatment of the solid dairy product as claimed in claim 1, wherein the first grinding means comprises a first arc-shaped grinding sheet (22), and the transmission sleeve rod (19) and the side end of the first arc-shaped grinding sheet (22) are fixed.
3. The special sample grinding device for the pretreatment of the solid dairy product as claimed in claim 1, wherein the driving device further comprises a torsion spring for restoring the rotation of the driven wheel (15), one end of the torsion spring is fixed with the driven wheel (15), and the other end of the torsion spring is fixed with the second rotating shaft (17).
4. The special sample grinding equipment for pretreatment of the solid dairy product as claimed in claim 1, further comprising a hollow positioning column (71) and a positioning rod (72), wherein the positioning column (71) is disposed below the fixing column (1), one end of the positioning rod (72) is connected with the rotating bearing (18) in a sliding manner in a horizontal direction, and the other end of the positioning rod is fixed to a side end of the positioning column (71).
5. The special sample grinding device for pretreatment of the solid dairy product as claimed in claim 1, wherein the outer end of the transmission loop bar (19) is provided with a transverse sliding groove (190), and correspondingly, the inner side of the rotary bearing (18) is provided with a sliding block matched with the sliding groove (190).
6. The special sample grinding device for the pretreatment of the solid dairy product, according to claim 1, wherein the driving device further comprises a first driving wheel (25), a second driving wheel (27), a second driving belt (26), a third driving wheel (28), a fourth driving wheel (32), a third driving belt (31) and a connecting rod (33);
an extension rod (23) is arranged below the first arc-shaped grinding sheet (22);
the first transmission wheel (25) is fixedly arranged on the extension rod (23), one end of the second transmission belt (26) is fixed with the second transmission wheel (27), and the other end is fixed with the first transmission wheel (25);
the second driving wheel (27) is in transmission connection with the third driving wheel (28), one end of the third driving belt (31) is wound on the third driving wheel (28) and the end part is fixed with the third driving wheel, the other end is fixed with the fourth driving wheel (32),
one end of the connecting rod (33) is fixed with the side end of the fourth driving wheel (32), the other end of the connecting rod is fixed with the second grinding device, and the second grinding device and the first grinding device have the same structure.
7. The special sample grinding equipment for pretreatment of the solid dairy product according to claim 6, wherein the driving device further comprises a connecting fixing piece (30), a sliding rail (29) adapted to the fourth driving wheel (32) and capable of sliding up and down, and a rotating shaft (281), one end of the connecting fixing piece (30) is fixed to the side end of the positioning column (71), the other end of the connecting fixing piece is fixed to the sliding rail (29), a through groove for the connecting rod (33) to penetrate out is formed in the side end of the sliding rail (29), and the third driving wheel (28) is rotatably arranged on the sliding rail (29) through the rotating shaft (281).
8. The special sample grinding device for pretreatment of the solid dairy product as recited in claim 7, wherein a transmission plate (271) is fixedly disposed at a lower end of the second transmission wheel (27), a first transmission tooth (272) is disposed below the transmission plate (271), and correspondingly, a second transmission tooth meshed with the transmission tooth (272) is disposed at a side end of the third transmission wheel (28).
9. The special sample grinding device for pretreatment of the solid dairy product as claimed in claim 1, further comprising a second driving motor for driving the fixed column (1) to rotate and a housing (5), wherein the second driving motor is disposed in the housing (5).
10. The special sample grinding device for the pretreatment of the solid dairy product as claimed in claim 9, wherein the upper end of the housing (5) is provided with a handle rod (6) and a handle part (61), one end of the handle rod (6) is fixed with the upper end of the housing (5), and the other end is fixed with the handle part (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111103848.3A CN113798030A (en) | 2021-09-18 | 2021-09-18 | Dedicated sample grinding device of solid state dairy products pretreatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111103848.3A CN113798030A (en) | 2021-09-18 | 2021-09-18 | Dedicated sample grinding device of solid state dairy products pretreatment |
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| CN113798030A true CN113798030A (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111103848.3A Pending CN113798030A (en) | 2021-09-18 | 2021-09-18 | Dedicated sample grinding device of solid state dairy products pretreatment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108479897A (en) * | 2018-03-09 | 2018-09-04 | 广州恒科技有限公司 | A kind of novel biomass solid fuel densification material molding technology |
| CN208960085U (en) * | 2018-08-31 | 2019-06-11 | 新疆众豪钒业科技有限公司 | Milling device is used in a kind of processing of VN alloy |
| CN110124779A (en) * | 2019-05-28 | 2019-08-16 | 淄博创立机电科技有限公司 | A kind of intermittent feeding formula glassy solids waste Environmental-protecting treater |
| CN110152845A (en) * | 2018-03-20 | 2019-08-23 | 贵州贵恒环保科技有限公司 | A kind of grinding device of active carbon from coal |
| CN110560206A (en) * | 2019-09-12 | 2019-12-13 | 郭庆庆 | Chemical raw material crushing and grinding machine |
| CN210230211U (en) * | 2019-07-05 | 2020-04-03 | 昆明斛之梦制药有限公司 | Dendrobium officinale pulverizer |
| CN111036380A (en) * | 2019-12-30 | 2020-04-21 | 高红 | Coal cinder milling equipment for boiler burning |
| CN112845570A (en) * | 2021-01-04 | 2021-05-28 | 广东健地农业科技有限公司 | Soil is administered and is added medicine mixing arrangement with soil breakage |
-
2021
- 2021-09-18 CN CN202111103848.3A patent/CN113798030A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108479897A (en) * | 2018-03-09 | 2018-09-04 | 广州恒科技有限公司 | A kind of novel biomass solid fuel densification material molding technology |
| CN110152845A (en) * | 2018-03-20 | 2019-08-23 | 贵州贵恒环保科技有限公司 | A kind of grinding device of active carbon from coal |
| CN208960085U (en) * | 2018-08-31 | 2019-06-11 | 新疆众豪钒业科技有限公司 | Milling device is used in a kind of processing of VN alloy |
| CN110124779A (en) * | 2019-05-28 | 2019-08-16 | 淄博创立机电科技有限公司 | A kind of intermittent feeding formula glassy solids waste Environmental-protecting treater |
| CN210230211U (en) * | 2019-07-05 | 2020-04-03 | 昆明斛之梦制药有限公司 | Dendrobium officinale pulverizer |
| CN110560206A (en) * | 2019-09-12 | 2019-12-13 | 郭庆庆 | Chemical raw material crushing and grinding machine |
| CN111036380A (en) * | 2019-12-30 | 2020-04-21 | 高红 | Coal cinder milling equipment for boiler burning |
| CN112845570A (en) * | 2021-01-04 | 2021-05-28 | 广东健地农业科技有限公司 | Soil is administered and is added medicine mixing arrangement with soil breakage |
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