CN110732385A - dust-proof rod mill - Google Patents
dust-proof rod mill Download PDFInfo
- Publication number
- CN110732385A CN110732385A CN201911152329.9A CN201911152329A CN110732385A CN 110732385 A CN110732385 A CN 110732385A CN 201911152329 A CN201911152329 A CN 201911152329A CN 110732385 A CN110732385 A CN 110732385A
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- CN
- China
- Prior art keywords
- pipe
- mother liquor
- water
- cylinder
- feeding
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 88
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 238000005507 spraying Methods 0.000 claims abstract description 18
- 239000012452 mother liquor Substances 0.000 claims description 53
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 description 14
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000001238 wet grinding Methods 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 238000009837 dry grinding Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002026 carminative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 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
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/183—Feeding or discharging 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
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
- B02C17/186—Adding fluid, other than for crushing by fluid energy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/20—Disintegrating members
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Disintegrating Or Milling (AREA)
- Paper (AREA)
Abstract
The invention relates to an dust-raising-proof rod mill, which belongs to the technical field of rod mills and comprises a base, a cylinder and a driving motor, wherein the cylinder is rotatably arranged on the base, the driving motor is fixed on the base, the driving motor drives the cylinder to rotate, a feed inlet is formed in the end of the cylinder, the feed inlet is connected with a feed device, the feed device comprises a feeding pipe, the 0 end of the feeding pipe extends into the cylinder, the other 1 end of the feeding pipe is arranged outside the cylinder and is provided with a feed inlet, the feed device further comprises a th spraying mother liquid pipe and a th water sealing plate, the th spraying mother liquid pipe is fixedly arranged above the feed inlet, the th water sealing plate is arranged below the th spraying mother liquid pipe, and mother liquid ejected from the th spraying mother liquid pipe impacts the th water sealing plate to form a th water seal.
Description
Technical Field
The invention relates to the technical field of rod mills, in particular to dust-flying-preventing rod mills.
Background
A rod mill is a key device for crushing mineral materials, is widely applied to the non-ferrous metal mineral separation industry and carries out dry or wet grinding on various ores and other grindable materials, the grinding of the ores by the rod mill can be divided into a dry grinding mode and a wet grinding mode, wherein the wet grinding mode is used in a raw material workshop of an alumina plant, lime and aluminum ores are put into the rod mill, mother liquor is introduced into the rod mill, and mineral pulp is finally obtained.
Disclosure of Invention
Aiming at the problems, the invention provides kinds of dust-raising-preventing rod mills, which solve the problem of dust raising of the existing rod mills.
The invention is realized by the following technical scheme that the dust-raising-prevention rod mill comprises a base, a cylinder and a driving motor, wherein the cylinder is rotatably arranged on the base, the driving motor is fixed on the base, the driving motor is in transmission connection with the cylinder and drives the cylinder to rotate, a feed inlet is formed in the end of the cylinder, the feed inlet is connected with a feeding device, the feeding device comprises a feeding pipe, the 0 end of the feeding pipe extends into the cylinder, the other 1 end of the feeding pipe is arranged outside the cylinder and is provided with a feeding port, the feeding device further comprises a th spraying mother liquid pipe and a th water sealing plate, the th spraying mother liquid pipe is fixedly arranged above the feeding port, the th water sealing plate is arranged below the th spraying mother liquid pipe, and the mother liquid sprayed from the th spraying mother liquid pipe impacts on the th water sealing plate to form a th water seal.
, the feed arrangement still includes blast pipe and second and drenches the mother liquor pipe, the blast pipe is located the top of dog-house and communicates with dog-house, the second drenches the mother liquor pipe and is fixed in the lateral wall of blast pipe and intercommunication the blast pipe, the below that the second drenches the mother liquor pipe is equipped with the second water shrouding, the second water shrouding is fixed in on the inner wall of blast pipe, the second drenches the mother liquor striking that the mother liquor pipe jetted out and is in form the second water seal on the second water shrouding.
, the feeding device further comprises a water pump and a mother liquor box, the water pump and the mother liquor box are fixed on the base, a water pumping port of the water pump is communicated with the mother liquor box, and the end of the second shower mother liquor pipe far away from the exhaust pipe and the end of the shower mother liquor pipe far away from the feeding pipe are respectively connected with a water outlet of the water pump.
, the end of the exhaust pipe far away from the feeding pipe is connected with an exhaust fan, the exhaust fan is connected with an air pipe, the end of the air pipe far away from the exhaust fan extends into the bottom of the mother liquid box, and the upper part of the mother liquid box is provided with an exhaust hole.
step by step, the second drenches the mother liquor pipe and is equipped with many, the second water shrouding is equipped with the polylith, many the second drenches mother liquor pipe and polylith the second water shrouding corresponds, many the second drenches the mother liquor pipe and follows the axial direction of blast pipe is crisscross to be fixed in the both sides of blast pipe, many seconds drench the mother liquor pipe and set up along the axial direction of blast pipe is crisscross, can form the second water seal of multichannel high difference, and the extending direction of adjacent twice second water seal is relative, can form no leak hole water seal in the blast pipe.
, a filter screen is arranged between the two second water seal plates close to the exhaust fan, the edge of the filter screen is fixed on the inner wall of the exhaust pipe, the filter screen can filter dust passing through water seals, the filter screen is arranged between the two highest water seals, the two water seals respectively wash the filter screen from the upper direction and the lower direction, the filter screen can be kept clean for a long time, and the condition that the filter screen is blocked by dust after being used for a long time to affect exhaust is avoided.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the feeding device of the rod mill comprises an th sprinkling mother liquor pipe and a th water sealing plate, wherein an 0 th water sealing plate is arranged below a 1 th sprinkling mother liquor pipe, mother liquor ejected from a 2 th sprinkling mother liquor pipe impacts on a th water sealing plate to form an th water seal, a th water seal covers a feed port, dust floating out of the feed port along with hot steam in the cylinder is blocked when reaching a th water seal, the dust is flushed down by an th water seal, the mother liquor which forms the th water seal flows into the cylinder again to avoid the dust from being discharged from the feed port, and meanwhile, water of a th water seal can drive lime and ore at the feed port to flow into the cylinder along the feed pipe after falling into the feed pipe at the feed port, so that the dust and ore at the feed port are prevented from being condensed into a scar, the mother liquor which forms the th water seal is counted into a rod, and the control of the solid-to-liquid ratio in grinding liquid is not influenced.
2. The water pump is gone into the second with the mother liquor pump of mother liquor incasement and is drenched mother liquor pipe and dash drenches the mother liquor pipe, the mother liquor striking that sprays in drenching the mother liquor pipe from the second is on second water seal board, form the second water seal, prevent that the dust from discharging from the blast pipe, and the air exhauster is bled the blast pipe, form negative pressure to the dog-house and pull, make the hot steam in the rod mill can't discharge from the dog-house, and will throw the dust of feed inlet department and inhale in the feed pipe, the air exhauster takes out the hot steam in the rod mill from the blast pipe, then let in the mother liquor incasement and advance step and filter, the gas of following the mother liquor incasement at last is clean gas, the dust is filtered completely when passing through second water seal and mother liquor case.
Drawings
FIG. 1 is a schematic structural diagram of kinds of dust-proof rod mills according to the present invention;
FIG. 2 is a schematic cross-sectional view of a feeding tube and an exhaust tube of the present invention;
the device comprises a base 1, a barrel 2, a driving motor 3, a feeding pipe 4, a mother liquor flushing pipe 5- , a water sealing plate , an exhaust pipe 7, a mother liquor flushing pipe 8-a suction fan 9, a water pump 10, a mother liquor tank 11, an exhaust hole 12, an air pipe 13, a second water sealing plate 14, a feeding port 15 and a filter screen 16.
Detailed Description
The invention is further illustrated in with reference to the following figures and examples.
Please refer to fig. 1, dust-proof rod mills include bases 1, 0 cylinders 2 and 1 driving motors 3. the bases 1 include bottom plates and two supporting frames, the two supporting frames are fixed on the upper surface of the bottom plate in parallel, downward-concave lower half slots are respectively arranged at the upper ends of the two supporting frames, the central axes of the two lower half slots are the same, fastening blocks are respectively arranged above the two lower half slots, the fastening blocks are fixed on the upper ends of the supporting frames through bolts, upward-concave upper half slots are arranged on the lower surfaces of the fastening blocks, bearing mounting holes are formed by the upper half slots and the lower half slots, when the mounting is carried out, the bottom plate is fixed on the concrete ground of a factory building through embedded bolts and nuts, the two ends of the cylinders 2 are respectively rotatably mounted in the bearing mounting holes at the upper ends of the two supporting frames through bearings, a feed inlet is arranged at the end of the cylinders 2, a discharge outlet is arranged below the other end of the cylinders, the feed inlet is connected with a feed device, bosses are arranged on the bottom plate, the driving motors 3 are fixed on.
Referring to fig. 1 and 2, the feeding device comprises feeding pipes 4, exhaust pipes 7, exhaust fans 9, a plurality of second spraying mother liquid pipes 8, 1 st th spraying mother liquid pipes 5, 583 water pumps 10 and mother liquid tanks 11, the 595 end of the feeding pipe 4 extends into the barrel 2, the other end of the feeding pipe 4 is arranged outside the barrel 2 and is provided with a feeding port 15, the feeding port 15 is obliquely arranged toward the barrel 2, the upper end of the feeding port 15 is closer to the barrel 2 than the lower end of the feeding port 15, so that feeding is facilitated, the feeding pipe 4 is obliquely arranged, the end of the feeding pipe 4 located outside the barrel 2 is higher than the end end of the feeding pipe 4 located inside the barrel 2, so that raw materials fall into the barrel 2 along the feeding pipe 4, the feeding pipe 5 of the second spraying mother liquid pipe 5 is fixed above the feeding port 15 through a support rod, a water jet pipe is arranged below the feeding pipe 845, the feeding pipe 847 is arranged below the feeding pipe 847, the feeding pipe 4 is higher than the end end of the feeding pipe 4 located above the barrel 2, so that the feeding pipe 4, so that raw materials fall into the barrel 2, the barrel 2 spraying mother liquid pipes 5 water box is arranged, the water outlet of the water jet pipe, the water jet box, 367 is arranged above the water jet pipe, 367, the feeding pipe 14, the water jet box is arranged above the water jet box, 367, the water jet box is arranged on the water jet pipe 14, the water jet box, 367, the water jet box is arranged below 367, the water jet box is arranged on the water jet box, 367, the water jet box, the water jet box, the water outlet ends of the water jet water outlet of the water.
A filter screen 16 is arranged between the two second water closing plates 14 close to the exhaust fan 9, and the edge of the filter screen 16 is fixed on the inner wall of the exhaust pipe 7. The filter screen 16 can filter the dust through the water seal to filter screen 16 locates between the water seal of two places nearest to air exhauster 9, and the water seal of these two places washes filter screen 16 from two upper and lower directions respectively, can keep filter screen 16 clean for a long time, has avoided filter screen 16 long-term after to be blockked up by the dust and influence carminative condition to appear.
The upper part of the mother liquor box 11 is also provided with a liquor inlet which is connected with a mother liquor storage tank in a factory through a pipeline, and the total liquor amount of the mother liquor entering the rod is counted by the mother liquor used in the second showering mother liquor pipe 8 and the th showering mother liquor pipe 5, so that the control of the liquid-solid ratio in the rod mill is not influenced.
The water seal formed by the second spraying mother liquid pipe 8 and the second water sealing plate 14 can well filter dust raised along with hot steam, gas is filtered times by the wet filter screen 16 again when passing through the filter screen 16, the wet filter screen 16 can bond the dust in the gas, then the mother liquid sprayed by the second spraying mother liquid pipe 8 is washed down, finally the gas is introduced into the mother liquid in the mother liquid tank 11 and is filtered again, clean and dust-free gas is obtained through triple filtration and is discharged into the air from the air outlet.
The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.
Claims (6)
- The dust-proof rod mill comprises a base, a cylinder and a driving motor, wherein the cylinder is rotatably installed on the base, the driving motor is fixed on the base, the driving motor is in transmission connection with the cylinder and drives the cylinder to rotate, a feed inlet is formed in the end of the cylinder, the feed inlet is connected with a feeding device, the feeding device comprises a feeding pipe, the 0 end of the feeding pipe extends into the cylinder, the other 1 end of the feeding pipe is arranged outside the cylinder and is provided with a feed inlet, and the dust-proof rod mill is characterized by further comprising a th spraying mother liquid pipe and a th water sealing plate, the th spraying mother liquid pipe is fixedly arranged above the feed inlet, the th water sealing plate is arranged below the th spraying mother liquid pipe, and the mother liquid sealing plate ejected from the th spraying mother liquid pipe impacts on the th water sealing plate to form a th water seal.
- 2. The dust-proof rod mill according to claim 1, wherein the feeding device further comprises an exhaust pipe and a second showering mother liquor pipe, the exhaust pipe is disposed above the feeding pipe and communicated with the feeding pipe, the second showering mother liquor pipe is fixed to a side wall of the exhaust pipe and communicated with the exhaust pipe, a second water sealing plate is disposed below the second showering mother liquor pipe, the second water sealing plate is fixed to an inner wall of the exhaust pipe, and mother liquor ejected from the second showering mother liquor pipe impinges on the second water sealing plate to form a second water seal.
- 3. The kind of dustproof rod mills according to claim 2, wherein the feeding device further comprises a water pump and a mother liquor tank, both of which are fixed on the base, a water pumping port of the water pump is connected to the mother liquor tank, and end of the second showering mother liquor pipe away from the exhaust pipe and end of the th showering mother liquor pipe away from the feeding pipe are respectively connected to a water outlet of the water pump.
- 4. The kind of dustproof rod mills according to claim 3, wherein the end of the exhaust pipe away from the feeding pipe is connected with an exhaust fan, the exhaust fan is connected with an air pipe, the end of the air pipe away from the exhaust fan extends into the bottom of the mother liquor tank, and the upper part of the mother liquor tank is provided with an exhaust hole.
- 5. The kind of dust-proof rod mill as claimed in claim 2, wherein there are multiple second showering mother liquor pipes, there are multiple second water sealing plates, there are multiple second showering mother liquor pipes corresponding to the multiple second water sealing plates , and multiple second showering mother liquor pipes are fixed on both sides of the exhaust pipe along the axial direction of the exhaust pipe in a staggered manner.
- 6. The kind of dustproof rod mill as claimed in claim 5, wherein a filter screen is disposed between the two second water sealing plates close to the suction fan, and the edge of the filter screen is fixed to the inner wall of the exhaust pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911152329.9A CN110732385B (en) | 2019-11-22 | 2019-11-22 | Dust-proof rod mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911152329.9A CN110732385B (en) | 2019-11-22 | 2019-11-22 | Dust-proof rod mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110732385A true CN110732385A (en) | 2020-01-31 |
| CN110732385B CN110732385B (en) | 2024-09-27 |
Family
ID=69273574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911152329.9A Active CN110732385B (en) | 2019-11-22 | 2019-11-22 | Dust-proof rod mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110732385B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201389489Y (en) * | 2009-02-16 | 2010-01-27 | 贵阳铝镁设计研究院 | Rod mill feed pipe |
| CN104606986A (en) * | 2014-12-24 | 2015-05-13 | 无锡市南长区科技创业服务中心 | A washing type flue dust collector having a high dust collection efficiency |
| CN204724258U (en) * | 2015-06-03 | 2015-10-28 | 广西鼎康科技股份有限公司 | A kind of ball mill |
| CN205708722U (en) * | 2016-03-08 | 2016-11-23 | 付国根 | A kind of Ore longitudinal buffer conveyer device |
| CN206315870U (en) * | 2016-10-26 | 2017-07-11 | 攀枝花青杠坪矿业有限公司 | Feeding device of ball mill |
| CN208320292U (en) * | 2018-04-28 | 2019-01-04 | 路敏 | Dust collect unit by water |
| CN208340900U (en) * | 2018-03-15 | 2019-01-08 | 薄美云 | A kind of mechanical device of novel mining rubble |
| US20190308130A1 (en) * | 2016-07-05 | 2019-10-10 | Shandong Yunqing Environmental Sci-Tech Co., Ltd | Multi-mechanism wet dust removal apparatus achieving water circulation use and dust removal method |
| CN209597323U (en) * | 2018-12-29 | 2019-11-08 | 安徽华城兴建材科技有限公司 | A kind of dust-proof feed hopper of ball mill |
| CN211726003U (en) * | 2019-11-22 | 2020-10-23 | 广西华银铝业有限公司 | Dustproof rod mill |
-
2019
- 2019-11-22 CN CN201911152329.9A patent/CN110732385B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201389489Y (en) * | 2009-02-16 | 2010-01-27 | 贵阳铝镁设计研究院 | Rod mill feed pipe |
| CN104606986A (en) * | 2014-12-24 | 2015-05-13 | 无锡市南长区科技创业服务中心 | A washing type flue dust collector having a high dust collection efficiency |
| CN204724258U (en) * | 2015-06-03 | 2015-10-28 | 广西鼎康科技股份有限公司 | A kind of ball mill |
| CN205708722U (en) * | 2016-03-08 | 2016-11-23 | 付国根 | A kind of Ore longitudinal buffer conveyer device |
| US20190308130A1 (en) * | 2016-07-05 | 2019-10-10 | Shandong Yunqing Environmental Sci-Tech Co., Ltd | Multi-mechanism wet dust removal apparatus achieving water circulation use and dust removal method |
| CN206315870U (en) * | 2016-10-26 | 2017-07-11 | 攀枝花青杠坪矿业有限公司 | Feeding device of ball mill |
| CN208340900U (en) * | 2018-03-15 | 2019-01-08 | 薄美云 | A kind of mechanical device of novel mining rubble |
| CN208320292U (en) * | 2018-04-28 | 2019-01-04 | 路敏 | Dust collect unit by water |
| CN209597323U (en) * | 2018-12-29 | 2019-11-08 | 安徽华城兴建材科技有限公司 | A kind of dust-proof feed hopper of ball mill |
| CN211726003U (en) * | 2019-11-22 | 2020-10-23 | 广西华银铝业有限公司 | Dustproof rod mill |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110732385B (en) | 2024-09-27 |
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