CN112206898B - Impact type sand making machine capable of improving sand making efficiency - Google Patents
Impact type sand making machine capable of improving sand making efficiency Download PDFInfo
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- CN112206898B CN112206898B CN202010972857.5A CN202010972857A CN112206898B CN 112206898 B CN112206898 B CN 112206898B CN 202010972857 A CN202010972857 A CN 202010972857A CN 112206898 B CN112206898 B CN 112206898B
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- filter screen
- raw materials
- fixedly connected
- sand making
- throwing
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- 239000004576 sand Substances 0.000 title claims abstract description 52
- 230000008093 supporting effect Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 4
- 239000002994 raw material Substances 0.000 abstract description 56
- 238000000034 method Methods 0.000 abstract description 15
- 239000000463 material Substances 0.000 abstract description 11
- 239000002245 particle Substances 0.000 description 18
- 230000008569 process Effects 0.000 description 11
- 239000004575 stone Substances 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- B02C19/0012—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain)
- B02C19/0018—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain) using a rotor accelerating the materials centrifugally against a circumferential breaking surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention relates to the technical field of sand making equipment, and discloses an impact type sand making machine for improving sand making efficiency. Through the setting of throwing device and filter screen on, can slide down along the filter screen when broken raw materials reach the filter screen inclined plane, wherein most abundant broken raw materials will pass from the filter screen eye at the gliding in-process, get into the finished product collection box, wherein the minority is for the raw materials of abundant broken will slide down to the bottommost of filter screen along the filter screen inclined plane, a large amount of accumulational raw materials will compress spring, when accumulational raw materials pushes down the permanent magnet to contact switch, the electro-magnet circular telegram, and repel each other with the permanent magnet, the bounce of cooperation spring will pile up the raw materials of permanent magnet top and throw upward, get into in the throwing material impeller, throw the material impeller once more and throw away on, carry out the secondary and even many times breakage, make the raw materials repeatedly hit, improve the grit precision.
Description
Technical Field
The invention relates to the technical field of sand making equipment, in particular to an impact type sand making machine capable of improving sand making efficiency.
Background
The impact sand making machine is an energy-saving device in the prior high-efficiency stone crushing equipment, is widely used for fine crushing and coarse grinding operation of metal and nonmetal ores, cement, refractory materials, grinding materials, glass raw materials, building aggregate, artificial sand and various metallurgical slag, particularly for medium-hard, extra-hard and abrasive materials such as silicon carbide, carborundum, sintered bauxite, magnesia and the like, has superiority compared with other types of crushers, and is suitable for building sand and road-building sandstone. The working principle of the impact sand making machine is that the principle of stone beating is utilized: the stones are collided with the stones thrown out by the impeller in the natural falling process, so that the purpose of crushing is achieved, a vortex is formed when the stones thrown out by acceleration collide with the naturally falling stones, and the stones are crushed for 2 times in the returning process.
However, the existing impact sand making machine has the following defects in the actual use process: firstly, because the existing sandstone raw materials are different in particle size, the existing impact type sand making machine adopts an impeller to mix the sandstone with different particle size together to rotate and accelerate throwing out, so that the sandstone collides with the sandstone which falls freely, the sandstone with larger particle size can be smashed, but the sandstone with smaller particle size is also thrown out at a high speed, so that the material with smaller particle size collides with the sandstone which falls freely and a crushing plate to be crushed excessively, and overlarge dust smoke is generated in the high-speed rotation process of the impeller, so that the raw materials are crushed excessively, and the production environment of the sand making machine is damaged; secondly, traditional system sand machine utilizes and throws the grit side throw at the middle part of material device and collide mutually with the rockfall and cracked, wherein still have more grit to have not collided and can not produce cracked whereabouts, and can not collide repeatedly, is difficult to smash completely to some great or harder raw materialss, so these raw materialss will directly fall into the discharge gate of bottom, directly mix together with the finished product, the later stage still need filter the screening to the finished product, leads to the grit system sand effect relatively poor.
Disclosure of Invention
Aiming at the defects of the background technology, the invention provides the impact type sand making machine for improving the sand making efficiency, which has the advantages of good sand making effect and capability of repeatedly crushing raw materials and solves the problems in the background technology.
The invention provides the following technical scheme: an impact type sand making machine capable of improving sand making efficiency comprises a machine frame, wherein motor boxes are fixedly mounted on two sides of the machine frame, a shell is fixedly mounted in the middle of the machine frame, a sand making cavity is fixedly connected to the upper end of the shell, a feed inlet is fixedly connected to the upper end of the sand making cavity, a crushing plate is fixedly mounted on the inner wall of the sand making cavity, a support frame is fixedly mounted on the upper portion of the inner cavity of the shell, a hollow rotating shaft is movably sleeved in the middle of the support frame, a support shaft is fixedly connected to the inside of the hollow rotating shaft, a lower material throwing impeller is fixedly connected to the upper portion of the hollow rotating shaft, an upper material throwing impeller is fixedly connected to the upper portion of the lower material throwing impeller, a sorting device is arranged on the upper end of the support shaft, an upper material throwing device is movably sleeved on the bottom of the support shaft, a filter screen fixedly connected with the shell is fixedly connected to the upper portion of the upper material throwing device, two groups of transmission belts are movably sleeved at the bottom end of the supporting shaft, and motors are movably sleeved at the other ends of the two groups of transmission belts.
Preferably, sorting unit includes with supporting shaft articulated circular hinge and hollow pivot fixed connection's lower ring, the top of ring is provided with the last ring with last throwing material impeller fixed connection down, go up the ring and leave annular space down between the ring.
Preferably, the filter screen is a conical filter screen with a downward middle part.
Preferably, the upper throwing device comprises a mounting seat, an electromagnet is fixedly mounted at the bottom of the mounting seat, a spring is fixedly connected to the upper end of the electromagnet, a permanent magnet is fixedly connected to the upper end of the spring, and a switch is fixedly mounted on one side of the inner wall of the mounting seat.
Preferably, the upper end of the mounting seat is fixedly connected with the filter screen, and the upper end surface of the permanent magnet is flush with the upper edge of the opening at the bottom of the filter screen under the supporting action of the spring when the permanent magnet is not in operation (namely, the electromagnet is not electrified).
The invention has the following beneficial effects:
1. through the setting of the sorting device, when the impact type sand making machine works, raw materials enter from a feed inlet above and fall in the middle of an upper throwing impeller, when the raw materials reach an upper ring part, the upper throwing impeller rotating at a high speed throws the raw materials, the raw materials with larger particles are directly thrown out for crushing, the raw materials with smaller particles enter an annular gap between an upper ring and a lower ring in the outward throwing process and enter a lower throwing impeller, and are thrown out by the lower throwing impeller for crushing and sand making, and the smaller particles in the lower throwing impeller can obtain smaller centrifugal force due to the smaller diameter of the small throwing impeller, so that the smaller particles are not crushed when colliding with freely falling gravels and a crushing plate, and meanwhile, the larger dust is prevented from appearing when the sand making machine works.
2. Through the arrangement of the upper throwing device and the filter screen, when the crushed raw materials reach the inclined surface of the filter screen, the crushed raw materials slide down along the filter screen, most of the crushed raw materials pass through the filter screen eye in the sliding down process and enter the finished product collecting box, and the small part of the crushed raw materials slide down to the bottommost part of the filter screen along the inclined surface of the filter screen, namely, when the raw materials are above the permanent magnet, a large amount of accumulated raw materials compress the spring, when the accumulated raw materials press the permanent magnet down to the contact switch, the electromagnet is electrified to generate magnetism and repel the permanent magnet, the raw materials accumulated above the permanent magnet are thrown upwards by the counterforce of the spring, enter the upper throwing impeller through the inner through hole of the hollow rotating shaft and enter the circular hinge, are thrown out by the upper throwing impeller again to carry out secondary or even multiple times of crushing, so that the raw materials are repeatedly hit, improve the precision of the sand.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the internal installation of the structure of the present invention;
FIG. 3 is a schematic structural view of the present invention;
FIG. 4 is a top view of the installation of the structural round hinge of the present invention;
FIG. 5 is a schematic view of a sorting apparatus according to the present invention;
FIG. 6 is a schematic view of a structural polishing apparatus of the present invention.
In the figure: 1. a frame; 2. a motor case; 4. a housing; 5. a sand making cavity; 6. a feed inlet; 7. a breaker plate; 8. a support frame; 9. a hollow rotating shaft; 10. a support shaft; 11. a lower throwing impeller; 12. a feeding and throwing impeller; 13. a sorting device; 131. a circular hinge; 132. a lower circular ring; 133. an upper circular ring; 14. an upper polishing device; 141. a mounting seat; 142. an electromagnet; 143. a spring; 144. a permanent magnet; 145. a switch; 15. a filter screen; 16. a drive belt.
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.
Referring to fig. 1-6, an impact sand making machine for improving sand making efficiency comprises a frame 1, motor boxes 2 fixedly mounted on two sides of the frame 1, a housing 4 fixedly mounted in the middle of the frame 1, a sand making chamber 5 fixedly connected to the upper end of the housing 4, a feed inlet 6 fixedly connected to the upper end of the sand making chamber 5, a crushing plate 7 fixedly mounted on the inner wall of the sand making chamber 5, a support frame 8 fixedly mounted on the upper portion of the inner chamber of the housing 4, a hollow rotating shaft 9 movably sleeved in the middle of the support frame 8, a support shaft 10 fixedly connected to the inside of the hollow rotating shaft 9, a lower throwing impeller 11 fixedly connected to the upper portion of the hollow rotating shaft 9, an upper throwing impeller 12 fixedly connected to the upper portion of the lower throwing impeller 11, a sorting device 13 disposed on the upper end of the support shaft 10, an upper throwing device 14 movably sleeved at the bottom of the support shaft 10, the upper throwing device 14 including a mounting seat 141, and an electromagnet 142 fixedly mounted at the bottom of the mounting seat 141, the upper end of the electromagnet 142 is fixedly connected with a spring 143, the upper end of the spring 143 is fixedly connected with a permanent magnet 144, one side of the inner wall of the mounting seat 141 is fixedly provided with a switch 145, the upper part of the upper throwing device 14 is fixedly connected with a filter screen 15 fixedly connected with the shell 4, the bottom end of the supporting shaft 10 is movably sleeved with two groups of transmission belts 16, and the other ends of the two groups of transmission belts 16 are movably sleeved with motors.
Wherein, the sorting device 13 comprises a circular hinge 131 hinged with the supporting shaft 10 and a lower circular ring 132 fixedly connected with the hollow rotating shaft 9, an upper circular ring 133 fixedly connected with the upper throwing impeller 12 is arranged above the lower circular ring 132, an annular gap is left between the upper circular ring 133 and the lower circular ring 132, when the impact type sand making machine works, raw materials enter from an upper feeding port 6 and fall in the middle of the upper throwing impeller 12, when the raw materials reach the position of the upper circular ring 133, the upper throwing impeller 12 rotating at high speed throws out the raw materials, wherein the raw materials with larger particles are directly thrown out and crushed, the raw materials with smaller particles enter the annular gap between the upper circular ring 133 and the lower circular ring 132 in the outward throwing process and enter the lower throwing impeller 11 and are thrown out by the lower throwing impeller 11 for crushing and sand making, the sorting device can sort the thrown raw materials, sort the raw materials with smaller particles and let the small particles enter the lower throwing impeller 11, because the diameter of the lower throwing impeller 11 is smaller, smaller particles in the lower throwing impeller 11 can obtain smaller centrifugal force, so that the particles are not crushed too much when colliding with the free falling sand and the crushing plate 7, and larger dust is avoided when the sand making machine works.
Wherein, filter screen 15 is decurrent toper filter screen between for, can free fall after the upper principle is smashed, can slide along filter screen 15 when broken raw materials reaches filter screen 15 inclined plane, wherein most will pass in the gliding in-process from the filter screen eye through abundant broken raw materials, get into in the finished product collecting box, wherein the small part is that the raw materials that pass through abundant breakage will slide to the bottommost of filter screen 15 along filter screen 15 inclined plane, wait for secondary treatment.
Wherein, the upper end of the mounting seat 141 is fixedly connected with the filter screen 15, when the permanent magnet 144 is not operated, namely the electromagnet 142 is not electrified, the upper end surface of the permanent magnet is parallel and level with the upper edge of the opening at the bottom of the filter screen 15 under the supporting action of the spring 143, when the larger or harder raw material falling from the raw material is gathered at the bottom of the filter screen 15, namely above the permanent magnet 144, a large amount of accumulated raw material can compress the spring 143, when the accumulated raw material presses the permanent magnet 144 to the contact switch 145, the electromagnet 142 is electrified to generate magnetism and repel the permanent magnet 144, the raw material accumulated above the permanent magnet 144 is thrown upwards by matching with the rebound force of the spring 143, enters the upper throwing impeller 12 through the inner through hole of the hollow rotating shaft 9 and enters through the circular hinge 131, and is thrown out by the upper throwing impeller 12 again to carry out secondary or even multiple times of crushing, so that the raw material is repeatedly beaten, improve the precision of the sand.
The working principle is that when the impact sand making machine works, raw materials enter from the upper feeding hole 6 and fall in the middle of the upper throwing impeller 12, when the raw materials reach the position of the upper ring 133, the upper throwing impeller 12 rotating at high speed throws out the raw materials, the raw materials with larger particles are directly thrown out and crushed, the raw materials with smaller particles enter an annular gap between the upper ring 133 and the lower ring 132 in the outward throwing process and enter the lower throwing impeller 11, the raw materials are thrown out by the lower throwing impeller 11 to be crushed and made into sand, the raw materials with smaller particles fall freely after being crushed by the upper principle, when the crushed raw materials reach the inclined plane of the filter screen 15, the crushed raw materials slide downwards along the filter screen 15, most of the raw materials which are fully crushed pass through the filter screen holes in the downward sliding process and enter the finished product collecting box, wherein the small part of the raw materials which are fully crushed slide downwards to the bottommost of the filter screen 15 along the inclined plane of the filter screen 15, the spring 143 is compressed by a large amount of accumulated raw materials, when the permanent magnet 144 is pressed down to the contact switch 145 by the accumulated raw materials, the electromagnet 142 is electrified to generate magnetism and repel the permanent magnet 144, the raw materials accumulated above the permanent magnet 144 are thrown upwards by matching with the rebound force of the spring 143, enter through the inner through hole of the hollow rotating shaft 9 and enter the upper throwing impeller 12 through the circular hinge 131, are thrown out by the upper throwing impeller 12 again, and are crushed for two or even more times, so that the raw materials are repeatedly beaten, and the sand precision is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides an improve impact system sand machine of system sand efficiency, includes frame (1), the both sides fixed mounting of frame (1) has motor case (2), the middle part fixed mounting of frame (1) has casing (4), the upper end fixedly connected with system sand chamber (5) of casing (4), the upper end fixedly connected with feed inlet (6) of system sand chamber (5), the inner wall fixed mounting of system sand chamber (5) has breaker (7), the upper portion fixed mounting of casing (4) inner chamber has support frame (8), its characterized in that: the middle part of the support frame (8) is movably sleeved with a hollow rotating shaft (9), a support shaft (10) is fixedly connected inside the hollow rotating shaft (9), a lower throwing impeller (11) is fixedly connected to the upper part of the hollow rotating shaft (9), an upper throwing impeller (12) is fixedly connected to the upper part of the lower throwing impeller (11), a sorting device (13) is arranged at the upper end of the support shaft (10), the sorting device (13) comprises a circular hinge (131) hinged to the support shaft (10) and a lower ring (132) fixedly connected to the hollow rotating shaft (9), an upper ring (133) fixedly connected to the upper throwing impeller (12) is arranged above the lower ring (132), an annular gap is reserved between the upper ring (133) and the lower ring (132), an upper throwing device (14) is movably sleeved at the bottom of the support shaft (10), and the upper throwing device (14) comprises a mounting seat (141), the utility model discloses a portable electronic device, including mount pad (141), the bottom fixed mounting of mount pad (141) has electro-magnet (142), the upper end fixedly connected with spring (143) of electro-magnet (142), the upper end fixedly connected with permanent magnet (144) of spring (143), one side fixed mounting of mount pad (141) inner wall has switch (145), the upper portion fixedly connected with of throwing device (14) and casing (4) fixed connection's filter screen (15), the upper end and filter screen (15) fixed connection of mount pad (141), permanent magnet (144) are when not working, its up end edge parallel and level on the supporting role of spring (143) down with filter screen (15) bottom opening, the bottom activity of back shaft (10) has cup jointed two sets of driving belt (16), and is two sets of the equal activity of the other end of driving belt (16) has cup jointed the motor.
2. The impact type sand making machine for improving the sand making efficiency according to claim 1, characterized in that: the filter screen (15) is a conical filter screen with the middle part downward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010972857.5A CN112206898B (en) | 2020-09-16 | 2020-09-16 | Impact type sand making machine capable of improving sand making efficiency |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010972857.5A CN112206898B (en) | 2020-09-16 | 2020-09-16 | Impact type sand making machine capable of improving sand making efficiency |
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| CN112206898A CN112206898A (en) | 2021-01-12 |
| CN112206898B true CN112206898B (en) | 2022-02-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112931353A (en) * | 2021-01-29 | 2021-06-11 | 湖南胜强生态农业有限公司 | Automatic bait throwing device for crayfish breeding |
| CN112808419A (en) * | 2021-02-07 | 2021-05-18 | 临汾市鑫锐机械设备有限公司 | Multifunctional dust-free screening sand making machine |
| CN114042521B (en) * | 2021-11-04 | 2022-11-22 | 绵阳永晖新材料科技有限公司 | A control and optimization device for intelligent sand and gravel aggregate based on big data |
| CN115430499A (en) * | 2022-10-17 | 2022-12-06 | 浙江林川机械制造有限公司 | Stone sand making machine and sand making method thereof |
| CN116099623A (en) * | 2023-01-31 | 2023-05-12 | 江苏天沃重工科技有限公司 | A fine impact sand making machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104549649A (en) * | 2014-12-23 | 2015-04-29 | 高水兔 | Discharging device of powder grinding equipment |
| CN109772695A (en) * | 2019-01-18 | 2019-05-21 | 安徽宏虎粮油有限公司 | A kind of not damaged rice pellets fine screen separating device |
| CN211246858U (en) * | 2019-01-29 | 2020-08-14 | 内蒙古玉龙矿业股份有限公司 | Slay strikes breaker |
| CN110314754A (en) * | 2019-07-24 | 2019-10-11 | 枣庄鑫金山智能机械股份有限公司 | A kind of vertical shaft impact sand making machine |
| CN110813474B (en) * | 2019-10-15 | 2021-08-24 | 芜湖伟霄机械设备有限公司 | Double-impeller impact type sand making machine |
| CN211378782U (en) * | 2019-12-24 | 2020-09-01 | 安徽普渡智慧农业装备有限公司 | Fertilizer distributor is guide device for fertilizer hopper |
| CN111215168B (en) * | 2020-01-17 | 2021-07-02 | 芜湖职业技术学院 | A kind of filter equipment for biopharmaceutical |
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Effective date of registration: 20220113 Address after: 414000 group 14, Lianhe village, Lingbei Town, Xiangyin County, Yueyang City, Hunan Province (now tiejiaozui Village) Applicant after: Hunan Yunjian New Material Technology Co.,Ltd. Address before: No.107, Shunhe street, Huayang, Shuangliu County, Chengdu, Sichuan 610200 Applicant before: Zhao Tingting |
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