CN203264798U - Raymond mill main unit capable of removing impurities and realizing dehumidification - Google Patents
Raymond mill main unit capable of removing impurities and realizing dehumidification Download PDFInfo
- Publication number
- CN203264798U CN203264798U CN 201320274218 CN201320274218U CN203264798U CN 203264798 U CN203264798 U CN 203264798U CN 201320274218 CN201320274218 CN 201320274218 CN 201320274218 U CN201320274218 U CN 201320274218U CN 203264798 U CN203264798 U CN 203264798U
- Authority
- CN
- China
- Prior art keywords
- main frame
- raymond mill
- air duct
- main unit
- removal
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Disintegrating Or Milling (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model discloses a Raymond mill main unit capable of removing impurities and realizing dehumidification. The Raymond mill main unit mainly comprises a milling roller, a milling ring, a scraper knife and air duct plates, wherein the air duct plates are circumferentially distributed and fixed on a main unit base plate; impurity removal holes are formed in the main unit base plate between the air duct plates at the bottom of the main unit; a raw material to be milled is conveyed into the Raymond mill main unit from a raw material inlet through a material feeder and then falls onto the main unit base plate; the scraper knife rotating with the milling roller scatters the material on the base plate between the milling roller and the milling ring. The proportion of sand is greater than that of the raw material, so that the sand easily sinks below the raw material; under the action of the scraper knife, the sand is brought into clearances between every two air duct plates and leaks out from the impurity removal holes when passing through the impurity removal holes; the sand cannot be brought back into a milling cavity by air flow passing through the air duct plates and is repeatedly milled by the milling roller and the milling ring; therefore, the sand powder content of finished product powder materials is greatly reduced, and the purity of products is improved.
Description
Technical field
The utility model relates to a kind of micro mist process equipment, a kind of Raymond mill main frame particularly, and removal of impurities can dehumidify.
Background technology
Raymond mill is that the powder manufacture field is used the most universal powder equipment, is widely used in the production industries such as metallurgy, building materials, chemical industry, mine.Raymond mill mainly is comprised of parts such as main frame, grader, finished product cyclone separator, blower fan, batcher, plumbing installations.Wherein main frame mainly comprises frame, perching knife, grinding roller, bull ring, case etc.
The operation principle of Raymond mill: grinding roller effect due to centrifugal force when vertical axis revolving is pressed on bull ring, the perching knife that rotates together with grinding roller spreads the material on base plate between grinding roller and bull ring, and material is squeezed between grinding roller and bull ring and the effect of grinding and being pulverized.Powder after grinding is taken up by the air-flow of Raymond mill main frame bottom air inlet, and through grinding cavity and grader, the fine powder that reaches certain particle diameter is discharged from the outlet of main frame top, enters in cyclone collector, collects to discharge by meal outlet to be the finished product powder.The material that does not reach granularity requirements returns to grind in cavity does further grinding.
Often contain some sandstones, particularly mine raw material in the middle of the abrasive dust material, such as bentonite, the gravel content ratio is higher.The material that contains sandstone is conveyed into thunder illiteracy main frame and grinds, and sandstone is also constantly scooped up between grinding roller and bull ring by perching knife and repeatedly ground, and is blended in after being grated in the finished product powder, causes the high defective of finished product powder impurity content.The finished product powder need to carry out post processing and remove impurity to improve its purity, has increased treatment step, during energy charge, has improved production cost.
Some abrasive dust materials also contain some proportions, impurity that the hardness ratio main component is large, if these impurity can be separated in process of lapping, not only can improve the purity of finished product, the impurity that is separated can also separately be used as him, be conducive to increase economic benefit, economize on resources.
In addition, the material that some humidity is larger needed oven dry or airing before grinding, not only will take larger place, consumed a large amount of energy, and had increased workman's labour intensity.
Summary of the invention
In order to solve defects of the prior art, but the utility model provides a kind of Raymond mill main frame of removal of impurities dehumidifying, can greatly reduce the impurity content in the finished product powder, improves finished product purity, also can be used for the grinding of the larger material of humidity.
In order to realize above-mentioned technical purpose, the utility model has adopted following technical scheme:
But the Raymond mill main frame of a kind of removal of impurities dehumidifying mainly is comprised of grinding roller, bull ring, perching knife and air duct board, it is characterized in that, air duct board is circle distribution and is fixed on host backplane, is provided with the removal of impurities hole on the host backplane between the air duct board of main frame bottom.
Raw material to be ground drops down onto on host backplane after being conveyed into thunder illiteracy main frame by batcher from the feed(raw material)inlet, and the perching knife that rotates together with grinding roller spreads the material on base plate between grinding roller and bull ring.Sand coarse aggregate ratio anharmonic ratio raw material is large, easily is sunken under raw material, and because perching knife generally has 2 centimetres of left and right from the gap of base plate, under the effect of perching knife, some sandstone is brought in space between air duct board, spills from the removal of impurities hole in the time of through the removal of impurities hole.This part sandstone can not brought back in grinding chamber by the air-flow through air duct board and repeatedly be ground by the grinding roller bull ring, therefore, has greatly reduced the content of the sand powder in the finished product powder, has improved product purity.The finished product powder need not to purify through post processing.
Contain in the material of impurity at other, impurity proportion hardness is larger, can be brought under the effect of perching knife equally in process of lapping in the space between air duct board, spills from the removal of impurities hole in the time of through the removal of impurities hole, thereby is separated.So not only can improve the purity of finished product powder, the impurity that is separated can also separately be used as him, is conducive to increase economic benefit, economizes on resources.
Further, described main frame bottom is provided with the removal of impurities hole and regulates steel plate, is bolted in host backplane.Regulate steel plate dismounting easily, when needs shutoff removal of impurities hole, steel plate can be regulated in the removal of impurities hole and be fixed in host backplane with bolt; When needing to use impurity removal function, only need unclamp bolt, take off the adjusting steel plate.
Described main frame bottom is provided with spiral and leads the sand device, and the sand inlet that spiral is led the sand device is positioned at the below in removal of impurities hole.The sandstone that leaks down from the removal of impurities hole falls into the sand inlet that spiral is led the sand device, leads the spiral rotating of sand device by spiral, and sandstone is taken out of outside device.Spiral is set leads the sand device, can reduce thunder and cover the height that main frame is cheated below, realize the effective utilization to the capacity in hole, the guiding that is conducive to sandstone is collected.
In order to facilitate the collection of sandstone, can lead connection impurity collecting bag on the sand device at spiral.After the impurity collecting bag is filled sandstone, can in time change.The impurity collecting bag can be common polybag or Nylon Bag.
The diameter in removal of impurities hole should not be too greatly also unsuitable too small, is preferably 2-10 centimetre.More preferred, the removal of impurities bore dia is 5 centimetres.
The number in removal of impurities hole is determined according to character and the processing request of material.The removal of impurities hole can all be set between every two pectinid guidance tapes, then regulate steel plate with the removal of impurities hole and regulate the actual quantity of using.The number in removal of impurities hole is preferably 4, and the interval is uniformly distributed on host backplane between two pectinid guidance tapes.
Be provided with heater on the connecting pipe of blower fan and main frame, heater can be that electricity consumption, oil or coal etc. are as thermal source.Because the coal raw material is easy to get, price is low, so heater is preferably coal stove.Be provided with heater on the connecting pipe of blower fan and main frame, also the heating transfer medium can be set, make blower fan air-flow out carry high heat energy (gas flow temperature can reach 50-200 ℃) and enter the Raymond mill main frame by the air duct board gap, temperature of charge is raise, moisture evaporates rapidly, the powder wink-dry; Make on the other hand grinding roller and bull ring keep the condition of high temperature, can prevent materials from bonding on grinding roller and bull ring and affect grinding effect.
Described air duct board is preferably arc.The air duct board of arc makes the tangential gas flow import smooth, and resistance is little, and inner Way out is conducive to the dispersion of material, is not easy putty.
The utlity model has following characteristics:
(1) but removal of impurities has greatly reduced the content of the sand powder in the finished product powder, improved product purity.The finished product powder need not to purify through post processing, can reduce production costs.
(2) other impurity in can separation of material can improve the purity of finished product powder, and the impurity that is separated can also separately be used as him, is conducive to increase economic benefit, economizes on resources.
(3) can dehumidify, need not oven dry before the material of high humidity grinds, energy savings has reduced workman's labour intensity, further reduces production costs.
(4) structural design is ingenious, and sandstone is collected simple.The removal of impurities hole can arbitrarily be regulated according to the gravel content of raw material, operates simple and easy.
Description of drawings
Fig. 1 is the critical piece composition diagram of the utility model Raymond mill.
Fig. 2 is removal of impurities hole adjusting steel plate setting position schematic diagram.
Fig. 3 is A-A cutaway view in Fig. 1.
Fig. 4 is that spiral is led sand apparatus structure schematic diagram.
In figure: 1-thunder covers main frame; 2-grader; 3-finished product cyclone separator; 4-dedusting cabin; 5-blower fan; 6-coal stove; The 7-attemperating unit; 8-host backplane; 9-arc air duct board; 10-removal of impurities hole; Steel plate is regulated in 11-removal of impurities hole; 12-bolt; 13-spiral is led the sand device; 14-sand inlet; 15-feed(raw material)inlet.
Specific embodiment
Fig. 1 is the critical piece composition diagram of Raymond mill.Fig. 2 is the enlarged drawing that thunder shown in Figure 1 covers the main frame bottom.Fig. 3 is A-A cutaway view in Fig. 2.Fig. 4 is that spiral is led sand apparatus structure schematic diagram.
Raymond mill as shown in Fig. 1-4 comprises that thunder covers main frame 1, grader 2, finished product cyclone separator 3, dedusting cabin 4 and blower fan 5.Be provided with coal stove 6 and attemperating unit 7 on the connecting pipe of blower fan 5 and thunder illiteracy main frame 1.
Thunder covers main frame 1 and mainly is comprised of grinding roller, bull ring, perching knife and arc air duct board 9, and arc air duct board 9 is circle distribution and is fixed on host backplane 8, is provided with removal of impurities hole 10 on the host backplane between the air duct board of main frame bottom.The diameter in removal of impurities hole is 3 centimetres.
Be provided with removal of impurities hole adjusting steel plate 11 bottom thunder illiteracy main frame, be fixed in host backplane 8 by bolt 12.
Main frame bottom is provided with spiral and leads sand device 13, and the sand inlet 14 that spiral is led the sand device is positioned at the below in removal of impurities hole 10.10 sandstones that leak down, fall into the sand inlet 14 that spiral is led the sand device from the removal of impurities hole, leads the spiral rotating of sand device by spiral, and sandstone is taken out of outside device.
Raw material to be ground drops down onto on host backplane 8 after being conveyed into thunder illiteracy main frame 1 by batcher from feed(raw material)inlet 15, and the perching knife that rotates together with grinding roller spreads the material on base plate between grinding roller and bull ring.Sand coarse aggregate ratio anharmonic ratio raw material is large, easily be sunken under raw material, because perching knife generally has 2 centimetres of left and right from the gap of base plate, under the effect of perching knife, some sandstone is brought in space between arc air duct board 9, spill from the removal of impurities hole in the time of through removal of impurities hole 10, then lead sand device 13 by spiral and derive.This part sandstone can not brought back in grinding chamber by the air-flow through air duct board and repeatedly be ground by the grinding roller bull ring, therefore, has greatly reduced the content of the sand powder in the finished product powder, has improved product purity.The finished product powder need not to purify through post processing.
Raymond mill main frame of the present utility model also can be used for grinding the larger material of humidity, need not oven dry before grinding, and energy savings has reduced workman's labour intensity, further reduces production costs.
Claims (9)
1. but the Raymond mill main frame of removal of impurities dehumidifying, mainly be comprised of grinding roller, bull ring, perching knife and air duct board, it is characterized in that, air duct board is circle distribution and is fixed on host backplane, is provided with the removal of impurities hole on the host backplane between the air duct board of main frame bottom.
2. Raymond mill main frame according to claim 1, is characterized in that, described main frame bottom is provided with the removal of impurities hole and regulates steel plate, is bolted in host backplane.
3. Raymond mill main frame according to claim 1, is characterized in that, described main frame bottom is provided with spiral and leads the sand device, and the sand inlet that spiral is led the sand device is positioned at the below in removal of impurities hole.
4. Raymond mill main frame according to claim 3, is characterized in that, described spiral is led the sand device and is connected with the impurity collecting bag.
5. Raymond mill main frame according to claim 1, is characterized in that, the diameter in described removal of impurities hole is 2-10 centimetre.
6. Raymond mill main frame according to claim 5, is characterized in that, the number in described removal of impurities hole is 4, and the interval is uniformly distributed on host backplane between two pectinid guidance tapes.
7. Raymond mill main frame according to claim 1, is characterized in that, is provided with heater on the connecting pipe of blower fan and main frame.
8. Raymond mill main frame according to claim 7, is characterized in that, described heater is coal stove.
9. Raymond mill main frame according to claim 1, is characterized in that, described air duct board is arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320274218 CN203264798U (en) | 2013-05-17 | 2013-05-17 | Raymond mill main unit capable of removing impurities and realizing dehumidification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320274218 CN203264798U (en) | 2013-05-17 | 2013-05-17 | Raymond mill main unit capable of removing impurities and realizing dehumidification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203264798U true CN203264798U (en) | 2013-11-06 |
Family
ID=49495292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320274218 Expired - Lifetime CN203264798U (en) | 2013-05-17 | 2013-05-17 | Raymond mill main unit capable of removing impurities and realizing dehumidification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203264798U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105855028A (en) * | 2016-05-13 | 2016-08-17 | 芜湖飞尚非金属材料有限公司 | Raymond machine capable of removing impurities |
| CN113070138A (en) * | 2021-04-14 | 2021-07-06 | 许世国 | Equipment for purifying montmorillonite from high-grade bentonite ore by dry method and production process of equipment |
-
2013
- 2013-05-17 CN CN 201320274218 patent/CN203264798U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105855028A (en) * | 2016-05-13 | 2016-08-17 | 芜湖飞尚非金属材料有限公司 | Raymond machine capable of removing impurities |
| CN113070138A (en) * | 2021-04-14 | 2021-07-06 | 许世国 | Equipment for purifying montmorillonite from high-grade bentonite ore by dry method and production process of equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109049428A (en) | A kind of energy saving and environment friendly plastics recovery milling apparatus | |
| CN105170281A (en) | Coal grinding, impurity removing and coal feeding integrated device for power plant | |
| CN103252272B (en) | A kind of can removal of impurities the Raymond mill of dehumidifying | |
| CN104673343B (en) | Enter classification grinding, humidifying technology that the choosing of stove coking coal machine is combined with selection by winnowing | |
| CN101693217A (en) | System and method for grinding bauxite by dry method | |
| CN203264798U (en) | Raymond mill main unit capable of removing impurities and realizing dehumidification | |
| CN201046943Y (en) | Gypsum powder production line | |
| CN203853154U (en) | Efficient energy-saving vertical mill classifier | |
| CN101762147B (en) | Clay mineral drier | |
| CN203304057U (en) | Crushing production line with double dedusting | |
| CN204448216U (en) | Flour mill in a kind of freeze-drying production of raw medicine technique | |
| CN203525844U (en) | Grinding equipment | |
| CN102553554B (en) | Production line for regenerating wood based powdered activated carbon | |
| CN202061809U (en) | V separator | |
| CN107649386A (en) | The special powder concentrator of sandstone | |
| CN204892081U (en) | Power plant is with integrative equipment of coal -grinding edulcoration coal supply | |
| CN2887435Y (en) | Wet type middle speed grinding mill | |
| CN207357597U (en) | The special powder concentrator of sandstone | |
| CN207592373U (en) | A kind of multifunctional nut scrap removing machine | |
| CN2770817Y (en) | Five-grade separation combined powder separating machine air intake device | |
| CN202376995U (en) | Wood powdered activated carbon reproduction line | |
| CN101716548A (en) | Grinding system used for extracting vanadium from stone coal | |
| CN204170952U (en) | A kind of High Efficiency Superfine powder concentrator | |
| CN104976633B (en) | A kind of dry method fine sizing ash disposal and the method and apparatus for changing coal ash | |
| CN209866321U (en) | Safe energy-saving tailing recovery plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |
|
| CX01 | Expiry of patent term |