CN111822105A - Vertical mill with built-in stable material bin - Google Patents
Vertical mill with built-in stable material bin Download PDFInfo
- Publication number
- CN111822105A CN111822105A CN201910318086.5A CN201910318086A CN111822105A CN 111822105 A CN111822105 A CN 111822105A CN 201910318086 A CN201910318086 A CN 201910318086A CN 111822105 A CN111822105 A CN 111822105A
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- Prior art keywords
- bin
- grinding
- vertical mill
- built
- grinding disc
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- 239000000463 material Substances 0.000 title claims abstract description 55
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 238000003860 storage Methods 0.000 claims description 25
- 238000005303 weighing Methods 0.000 claims description 18
- 239000003638 chemical reducing agent Substances 0.000 claims description 12
- 238000007790 scraping Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 5
- 239000004568 cement Substances 0.000 abstract description 9
- 230000007547 defect Effects 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000109 continuous material Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- -1 ores Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
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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
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C15/02—Centrifugal pendulum-type mills
-
- 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
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a vertical mill with a built-in stable bin, which comprises a grinding disc, grinding rollers, a driving mechanism for driving the grinding disc to rotate, and a cavity, wherein the grinding rollers of the grinding disc are all arranged in the cavity, the bin is arranged above the grinding disc, and the bin is directly arranged on the cavity and is supported by the cavity. The vertical mill semi-finish grinding cement processing system has the advantages of simple structure, convenience in operation and strong practicability, can overcome the defect of an external bin of the traditional vertical mill, particularly plays a great role in adaptability of materials in the vertical mill semi-finish grinding cement processing system, has remarkable advantages in the aspects of investment reduction and system energy conservation, and greatly improves the yield and stability of the system.
Description
Technical Field
The invention relates to the field of cement grinding equipment, in particular to a vertical mill with a built-in stable material bin.
Background
The vertical mill has been widely accepted in the field of grinding of cement, raw meal, raw coal, slag, non-metallic ore and the like due to the advantages of high energy utilization rate, high grinding efficiency, strong adaptability, low abrasion, simple maintenance and the like. The cement grinding field mainly comprises a roller press combined grinding device and a vertical mill final grinding device which have a plurality of defects, the roller press combined grinding process is complex, the investment of the device and the civil engineering is high, and the grinding power consumption is relatively high; the thickness of the material layer of the final grinding of the vertical mill is difficult to control, the mill is easy to vibrate, and materials are circularly ground in the mill, so that the pressure difference and the resistance in the mill are increased, and the power consumption of grinding is increased.
Disclosure of Invention
The invention aims to provide a vertical mill with a built-in stable material bin aiming at the defects of the prior art, which has remarkable advantages particularly in the application of a semi-final grinding cement process system of the vertical mill, greatly reduces the cost of the process system and the specification of a fan, and simultaneously improves the operation stability and the production efficiency of the vertical mill, thereby achieving the design purpose.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a vertical mill with a built-in stable material bin comprises a grinding disc, a grinding roller, a driving mechanism for driving the grinding disc to rotate, and a cavity, wherein the grinding roller of the grinding disc is arranged in the cavity, the material bin is arranged above the grinding disc, and the material bin is directly arranged on the cavity and is supported by the cavity.
The discharge port of the storage bin is positioned above the center of the grinding disc, and the grinding roller acts on the eccentric area of the grinding disc.
The device comprises a storage bin, a cavity, a controller and a weighing sensor, wherein the storage bin is communicated with an external feeding system, the weighing sensor for detecting the weight of materials in the storage bin is arranged between the storage bin and the cavity, the external feeding system and the weighing sensor are both electrically connected with the controller, and the controller controls the external feeding system to feed when the weighing sensor detects that the weight of the materials in the storage bin is lower than a first set value; when the weighing sensor detects that the material in the material bin is lower than a second set value, the controller controls the outer feeding system to stop feeding.
The discharge port of the storage bin is provided with a valve for controlling the flow of the discharge port, the valve is an automatic valve, and the valve is electrically connected with the controller.
The driving mechanism comprises a motor and a speed reducer, and the grinding disc is in transmission connection with the output end of the speed reducer.
The valve is a gate valve.
The edge position of the grinding disc is provided with a material blocking ring.
The grinding disc further comprises scraping plates which are uniformly distributed below the edge of the grinding disc.
The whole feed bin is a conical body.
The grinding disc is characterized by also comprising a pressurizing mechanism, the grinding rollers are connected with the pressurizing mechanism, and the grinding disc is uniformly and symmetrically provided with the grinding rollers.
The material is fed into the center of the grinding disc through a bin, the grinding disc rotates under the action of a driving mechanism, the grinding disc, the main motor and the speed reducer form a transmission system, and the material gradually splashes to the edge of the grinding disc under the action of centrifugal force; the grinding roller and the pressurizing mechanism form a pressurizing system, grinding and grinding are carried out between the grinding disc and the grinding roller in the process that the material escapes from the edge of the grinding disc, the ground particles are centrifugally thrown to the scraping plate, and the final material enters the next working procedure under the action of the scraping plate.
The invention has the beneficial effects that: the vertical mill semi-finish grinding cement processing system has the advantages of simple structure, convenience in operation and strong practicability, can overcome the defect of an external bin of the traditional vertical mill, particularly plays a great role in adaptability of materials in the vertical mill semi-finish grinding cement processing system, has remarkable advantages in the aspects of investment reduction and system energy conservation, and greatly improves the yield and stability of the system.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. a main motor; 2. a scraping plate; 3. grinding the roller; 4. a weighing sensor; 5. a storage bin; 6. a valve; 7. a grinding disc; 8. a speed reducer; 9. a cavity; 10. a material blocking ring; 11. a pressurizing mechanism.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
as shown in fig. 1, the vertical mill with a built-in stable material bin comprises a main motor 1, a scraping plate 2, a grinding roller 3, a weighing sensor 4, a material bin 5, a pneumatic gate valve 6, a grinding disc 7, a speed reducer 8, a cavity 9, a material blocking ring 10 and a pressurizing mechanism 11; the storage bin 5 is arranged in the cavity 9 and is conical. The main motor and the speed reducer form a driving mechanism to drive the grinding disc to rotate and do centrifugal motion, and materials are extruded and ground into powder when passing between the grinding roller and the grinding disc in the centrifugal motion. The storage bin 5 is communicated with an external feeding system (not shown in the figure), a weighing sensor 4 for detecting the weight of materials in the storage bin is arranged between the storage bin 5 and the cavity 9, the storage bin further comprises a controller (not shown in the figure), the external feeding system and the weighing sensor 4 are both electrically connected with the controller, and when the weighing sensor 4 detects that the materials in the storage bin are lower than a first set value, the controller controls the external feeding system to feed; when the weighing sensor 4 detects that the material in the material bin is lower than a second set value, the controller controls the outer feeding system to stop feeding. In this embodiment, two setting values are set on the controller according to actual needs.
The discharge port of the storage bin is provided with a valve for controlling the flow of the discharge port, the valve is an automatic valve, and the valve is electrically connected with the controller. The valve may be a solenoid valve or a pneumatic valve, and the present embodiment is preferably a pneumatic valve.
As shown in fig. 1, symmetrical grinding rollers 3 are arranged on a grinding disc 7, the material blocking rings 10 are circumferentially arranged, the material scraping plates 2 are uniformly distributed below the edge of the grinding disc 7, the main motor 1 and the speed reducer 8 are in key connection transmission, and the speed reducer 8 and the grinding disc 7 are in connection transmission through a bolt assembly.
The grinding roller 3 shown in fig. 1 is connected to the pressing device 11.
From the viewpoint of dynamics, materials are fed into the center of the grinding disc 7 through the bin 5, the grinding disc 7 rotates under the action of the main motor 1 and the speed reducer 8 of the transmission element, the grinding disc 7, the main motor 1 and the speed reducer 8 form a transmission system, and the materials gradually splash to the edge of the grinding disc 7 under the action of centrifugal force; the grinding roller 3 and the pressurizing mechanism 11 form a pressurizing system, in the process that the material escapes from the edge of the grinding disc 7, the material is ground and ground between the grinding disc 7 and the grinding roller 3, the ground particles escape to the scraping plate, and the material finally enters the next working procedure under the action of the scraping plate.
Compared with the traditional process, the power consumption of the unit product system of the equipment is reduced by about 5-7 KW.h/t, and the customer is affirmed. The vertical mill can be widely applied to the fields of cement, raw materials, ores, steel slag and the like. This vertical mill selection powder machine is external, and make full use of mill cavity sets up steady feed bin, and steady feed bin can stably save this vertical mill output more than 20% material, and one section feed bin is equipped with weighing sensor, and the guarantee has continuous material to get into and immediately grinds the operation of grinding, can discharge the gas in the granule material through "material pressure", makes the material that gets into the stock bed more closely knit. The other end of feed bin still is equipped with pneumatic gate valve, can the intelligent switch that realizes the feed bin, the velocity of flow of control material, and when the main motor outage of vertical mill, pneumatic gate valve self-closing feed bin lower extreme stops the feed. The application of the pneumatic gate valve not only ensures the stable operation of the vertical grinding machine, but also is convenient for equipment maintenance and reduces the workload. The weighing sensor arranged in the stock bin is interlocked with the feeding scale, so that the feeding and discharging positions of the stock bin can be controlled. The built-in storage bin not only makes full use of the structure of the vertical grinding cavity, but also reduces the height of the whole process system. In conclusion; the vertical grinding machine has the advantages of improving the stability of the vertical grinding machine, facilitating the maintenance of equipment and reducing the cost of a process system, thereby realizing the design purpose.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. The specific implementation of the present invention is not limited by the above-mentioned manner, and it is within the protection scope of the present invention to adopt various insubstantial modifications of the method concept and technical scheme of the present invention, or to directly apply the concept and technical scheme of the present invention to other occasions without modification.
Claims (10)
1. The utility model provides a vertical mill of built-in steady feed bin, includes mill, grinding roller and drive mill pivoted actuating mechanism, still includes the cavity, and the mill grinding roller is all arranged in the cavity, its characterized in that: a storage bin is arranged above the grinding disc, and the storage bin is directly arranged on the cavity and supported by the cavity.
2. The vertical mill with the built-in stable material bin as claimed in claim 1, wherein: the discharge port of the storage bin is positioned above the center of the grinding disc, and the grinding roller acts on the eccentric area of the grinding disc.
3. The vertical mill with the built-in stable material bin as claimed in claim 1 or 2, wherein: the device comprises a storage bin, a cavity, a controller and a weighing sensor, wherein the storage bin is communicated with an external feeding system, the weighing sensor for detecting the weight of materials in the storage bin is arranged between the storage bin and the cavity, the external feeding system and the weighing sensor are both electrically connected with the controller, and the controller controls the external feeding system to feed when the weighing sensor detects that the weight of the materials in the storage bin is lower than a first set value; when the weighing sensor detects that the material in the material bin is lower than a second set value, the controller controls the outer feeding system to stop feeding.
4. The vertical mill with the built-in stable material bin as claimed in claim 3, wherein: the discharge port of the storage bin is provided with a valve for controlling the flow of the discharge port, the valve is an automatic valve, and the valve is electrically connected with the controller.
5. The vertical mill with the built-in stable material bin as claimed in claim 1, wherein: the driving mechanism comprises a motor and a speed reducer, and the grinding disc is in transmission connection with the output end of the speed reducer.
6. The vertical mill with the built-in stable material bin as claimed in claim 4, wherein: the valve is a gate valve.
7. The vertical mill with the built-in stable material bin as claimed in claim 1, wherein: the edge position of the grinding disc is provided with a material blocking ring.
8. The vertical mill with the built-in stable material bin as claimed in claim 1, wherein: the grinding disc further comprises scraping plates which are uniformly distributed below the edge of the grinding disc.
9. The vertical mill with the built-in stable material bin as claimed in claim 1, wherein: the whole feed bin is a conical body.
10. The vertical mill with the built-in stable material bin as claimed in claim 1, wherein: the grinding disc is characterized by also comprising a pressurizing mechanism, the grinding rollers are connected with the pressurizing mechanism, and the grinding disc is uniformly and symmetrically provided with the grinding rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910318086.5A CN111822105A (en) | 2019-04-19 | 2019-04-19 | Vertical mill with built-in stable material bin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910318086.5A CN111822105A (en) | 2019-04-19 | 2019-04-19 | Vertical mill with built-in stable material bin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111822105A true CN111822105A (en) | 2020-10-27 |
Family
ID=72911686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910318086.5A Pending CN111822105A (en) | 2019-04-19 | 2019-04-19 | Vertical mill with built-in stable material bin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111822105A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203281398U (en) * | 2013-05-06 | 2013-11-13 | 江西添光化工有限责任公司 | Feeding device for titanium dioxide steam flow pulverizer |
| CN204638264U (en) * | 2015-05-25 | 2015-09-16 | 宁波双人新材料有限公司 | A kind of High Efficiency Thermal solidity coating powder flour mill |
| CN106914312A (en) * | 2017-05-03 | 2017-07-04 | 南京凯盛国际工程有限公司 | A kind of whole grinding vertical |
| CN210410968U (en) * | 2019-04-19 | 2020-04-28 | 合肥中亚建材装备有限责任公司 | Vertical mill with built-in stable material bin |
-
2019
- 2019-04-19 CN CN201910318086.5A patent/CN111822105A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203281398U (en) * | 2013-05-06 | 2013-11-13 | 江西添光化工有限责任公司 | Feeding device for titanium dioxide steam flow pulverizer |
| CN204638264U (en) * | 2015-05-25 | 2015-09-16 | 宁波双人新材料有限公司 | A kind of High Efficiency Thermal solidity coating powder flour mill |
| CN106914312A (en) * | 2017-05-03 | 2017-07-04 | 南京凯盛国际工程有限公司 | A kind of whole grinding vertical |
| CN210410968U (en) * | 2019-04-19 | 2020-04-28 | 合肥中亚建材装备有限责任公司 | Vertical mill with built-in stable material bin |
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