CN103252272A - Raymond mill capable of cleaning impurities and dehumidifying - Google Patents
Raymond mill capable of cleaning impurities and dehumidifying Download PDFInfo
- Publication number
- CN103252272A CN103252272A CN2013101865678A CN201310186567A CN103252272A CN 103252272 A CN103252272 A CN 103252272A CN 2013101865678 A CN2013101865678 A CN 2013101865678A CN 201310186567 A CN201310186567 A CN 201310186567A CN 103252272 A CN103252272 A CN 103252272A
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- raymond mill
- removal
- host
- main frame
- sand
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- 239000012535 impurity Substances 0.000 title claims abstract description 58
- 238000004140 cleaning Methods 0.000 title abstract 5
- 239000004576 sand Substances 0.000 claims abstract description 29
- 244000309464 bull Species 0.000 claims description 14
- 208000028804 PERCHING syndrome Diseases 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000003245 coal Substances 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 abstract description 23
- 239000000463 material Substances 0.000 abstract description 17
- 239000002994 raw material Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010410 dusting Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000012805 post-processing Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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- Disintegrating Or Milling (AREA)
- Combined Means For Separation Of Solids (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a Raymond mill capable of cleaning impurities and dehumidifying. The Raymond mill comprises a host, a grader, a finished product cyclone separator, a de-dusting bin and a fan, wherein the host is mainly composed of a grinding roller, a grinding ring, a scraper knife and air duct plates, the air duct plates are circumferentially distributed and fixed at a bottom plate of the host, and impurity cleaning holes are formed in the host bottom plate between the air duct plates at the bottom of the host. After being conveyed to the Raymond host from a raw material inlet by a feeder, a to-be-ground raw material falls to the bottom plate of the host, and the scraper knife rotating together with the grinding roller is used for scattering the material on the bottom plate between the grinding roller and the grinding ring; and sand is easy to settle below the raw material due to greater proportion, and under the effect of the scraper knife, some sand is brought into the gap between the air duct plates and then leaks out from the impurity cleaning holes when passing through the cleaning holes. The leaked sand cannot be brought back to a grinding cavity by airflow of the air duct plate to be repeatedly ground by the grinding roller and the grinding ring, so that the content of sand powder in finished powder is greatly reduced, and the purity of the product is improved.
Description
Technical field
The present invention relates to a kind of micro mist process equipment, particularly a kind of Raymond mill, 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 production industries such as metallurgy, building materials, chemical industry, mine.Raymond mill mainly is made up 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 when vertical axis rotates owing to action of centrifugal force is pressed on the bull ring, the perching knife that rotates with grinding roller spreads the material on the base plate between grinding roller and the bull ring, and material is squeezed between grinding roller and bull ring and the effect of grinding and being pulverized.Powder after the 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 the cyclone collector, collects by the meal outlet discharge and is the finished product powder.The material that does not reach granularity requirements returns to grind in the 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 the bull ring by perching knife and ground repeatedly, is blended in the finished product powder after being ground, and causes the high defective of finished product powder impurity content.The finished product powder need carry out post processing and remove impurity to improve its purity, has increased treatment step, during energy charge, has improved production cost.
The abrasive dust material that has also contains some proportions, impurity that the hardness ratio main component is big, these impurity not only can improve the purity of finished product if can separate in process of lapping, the impurity that is separated can also be done him in addition and use, be conducive to increase economic benefit, economize on resources.
In addition, the material that some humidity is bigger needed oven dry or airing before grinding, not only will take bigger place, consumed a large amount of energy, and had increased working strength of workers.
Summary of the invention
In order to solve above-mentioned defective of the prior art, but the invention provides a kind of Raymond mill of removal of impurities dehumidifying, can greatly reduce the impurity content in the finished product powder, improve finished product purity, also can be used for the grinding of the bigger material of humidity.
In order to realize above-mentioned technical purpose, the present invention has adopted following technical scheme:
But a kind of Raymond mill of removal of impurities dehumidifying, comprise main frame, grader, finished product cyclone separator, dedusting storehouse and blower fan, wherein, main frame mainly is made up of grinding roller, bull ring, perching knife and air channel plate, it is characterized in that, the circle distribution that is the air channel plate is fixed on the host backplane, and the host backplane between the plate of air channel, main frame bottom is provided with the removal of impurities hole.
Raw material to be ground drops down onto on the host backplane after being conveyed into thunder illiteracy main frame by batcher from the feed(raw material)inlet, and the perching knife that rotates with grinding roller spreads the material on the base plate between grinding roller and the bull ring.Sand coarse aggregate ratio anharmonic ratio raw material is big, is sunken to easily under the raw material, and because the slit of perching knife from base plate generally has about 2 centimetres, under the effect of perching knife, some sandstone is brought in the space between the plate of air channel, 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 the grinding chamber by the air-flow through the air channel plate and be ground repeatedly by the grinding roller bull ring, therefore, has greatly reduced the content of the sandstone 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 bigger, can be brought under the effect of perching knife equally in process of lapping in the space between the plate of air channel, 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 be made his usefulness in addition, 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, by bolting in host backplane.Regulate steel plate dismounting easily, when needs shutoff removal of impurities hole, the removal of impurities hole can be regulated steel plate and use bolting in host backplane; When needing to use the removal of impurities 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.From the sandstone that leaks down in the removal of impurities hole, fall into the sand inlet that spiral is led the sand device, lead the spiral rotation of sand device by spiral, sandstone is taken out of outside the 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.
The collection of sandstone for convenience can be led the sand device at spiral and connect the impurity collecting bag.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.Can between per two pectinid guidance tapes, the removal of impurities hole be set all, regulate steel plate with the removal of impurities hole then and regulate the actual quantity of using.The number in removal of impurities hole is preferably 4, is uniformly distributed at interval on the host backplane between the two pectinid guidance tapes.
Connecting pipe at blower fan and main frame is provided with heater, and 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.Connecting pipe at blower fan and main frame is provided with heater, also the heating transfer medium can be set, the air-flow that makes blower fan come out carries high heat energy (gas flow temperature can reach 50-200 ℃) and enters the Raymond mill main frame by the sheet separation, air channel, temperature of charge is raise, moisture evaporates rapidly, the powder wink-dry; Make grinding roller and bull ring keep the condition of high temperature on the other hand, can prevent that material is bonded on grinding roller and the bull ring and influences grinding effect.
Described air channel plate is preferably arc.The air channel plate of arc makes the tangential gas flow import along sliding, and resistance is little, and inner Way out is conducive to material dispersed, is not easy putty.
The present invention has following characteristics:
(1) but removal of impurities has greatly reduced the content of the sandstone 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 be made his usefulness in addition, is conducive to increase economic benefit, economizes on resources.
(3) can dehumidify, need not oven dry before the improved grinding of high humidity, energy savings has reduced working strength of workers, further reduces production costs.
(4) structural design is ingenious, and sandstone is collected simple.Regulated at will can be carried out according to the gravel content of raw material in the removal of impurities hole, operates simple and easy.
Description of drawings
Fig. 1 is the critical piece composition diagram of Raymond mill of the present invention.
Fig. 2 is that removal of impurities hole adjusting steel plate arranges position view.
Fig. 3 is A-A cutaway view among Fig. 1.
Fig. 4 is that spiral is led sand apparatus structure schematic diagram.
Among the figure: 1-thunder covers main frame; 2-grader; 3-finished product cyclone separator; 4-dedusting storehouse; 5-blower fan; 6-coal stove; The 7-attemperating unit; 8-host backplane; 9-arc air channel plate; 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 of the present invention.Fig. 2 is the enlarged drawing that thunder shown in Figure 1 covers the main frame bottom.Fig. 3 is A-A cutaway view among Fig. 2.Fig. 4 is that spiral is led sand apparatus structure schematic diagram.
Raymond mill shown in Fig. 1-4 comprises that thunder covers main frame 1, grader 2, finished product cyclone separator 3, dedusting storehouse 4 and blower fan 5.Be provided with coal stove 6 and attemperating unit 7 at blower fan 5 and the connecting pipe that thunder covers main frame 1.
Thunder covers main frame 1 mainly to be made up of grinding roller, bull ring, perching knife and arc air channel plate 9, and arc air channel plate 9 is circle distribution and is fixed on the host backplane 8, and the host backplane between the plate of air channel, main frame bottom is provided with removal of impurities hole 10.The diameter in removal of impurities hole is 3 centimetres.
Cover the main frame bottom at thunder and be provided with removal of impurities hole adjusting steel plate 11, 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.From the sandstone that leaks down in removal of impurities hole 10, fall into the sand inlet 14 that spiral is led the sand device, lead the spiral rotation of sand device by spiral, sandstone is taken out of outside the device.
Raw material to be ground drops down onto on the 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 with grinding roller spreads the material on the base plate between grinding roller and the bull ring.Sand coarse aggregate ratio anharmonic ratio raw material is big, be sunken under the raw material easily, because the slit of perching knife from base plate generally has about 2 centimetres, under the effect of perching knife, some sandstone is brought in the space between the arc air channel plate 9, spill from the removal of impurities hole in the time of through removal of impurities hole 10, lead sand device 13 by spiral then and derive.This part sandstone can not brought back in the grinding chamber by the air-flow through the air channel plate and be ground repeatedly by the grinding roller bull ring, therefore, has greatly reduced the content of the sandstone powder in the finished product powder, has improved product purity.The finished product powder need not to purify through post processing.
Raymond mill of the present invention also can be used for grinding the bigger material of humidity, need not oven dry before the grinding, and energy savings has reduced working strength of workers, further reduces production costs.
Claims (9)
1. but the Raymond mill of removal of impurities dehumidifying, comprise main frame, grader, finished product cyclone separator, dedusting storehouse and blower fan, wherein, main frame mainly is made up of grinding roller, bull ring, perching knife and air channel plate, it is characterized in that, the circle distribution that is the air channel plate is fixed on the host backplane, and the host backplane between the plate of air channel, main frame bottom is provided with the removal of impurities hole.
2. Raymond mill according to claim 1 is characterized in that, described main frame bottom is provided with the removal of impurities hole and regulates steel plate, by bolting in host backplane.
3. Raymond mill 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 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 according to claim 1 is characterized in that, the diameter in described removal of impurities hole is 2-10 centimetre.
6. Raymond mill according to claim 5 is characterized in that, the number in described removal of impurities hole is 4, is uniformly distributed at interval on the host backplane between the two pectinid guidance tapes.
7. Raymond mill according to claim 1 is characterized in that, is provided with heater at the connecting pipe of blower fan and main frame.
8. Raymond mill according to claim 7 is characterized in that, described heater is coal stove.
9. Raymond mill according to claim 1 is characterized in that, described air channel plate is arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310186567.8A CN103252272B (en) | 2013-05-17 | 2013-05-17 | A kind of can removal of impurities the Raymond mill of dehumidifying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310186567.8A CN103252272B (en) | 2013-05-17 | 2013-05-17 | A kind of can removal of impurities the Raymond mill of dehumidifying |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103252272A true CN103252272A (en) | 2013-08-21 |
| CN103252272B CN103252272B (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310186567.8A Active CN103252272B (en) | 2013-05-17 | 2013-05-17 | A kind of can removal of impurities the Raymond mill of dehumidifying |
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| CN (1) | CN103252272B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104525341A (en) * | 2014-12-31 | 2015-04-22 | 江苏天琦生物科技有限公司 | Flash dryer |
| CN107321473A (en) * | 2017-08-03 | 2017-11-07 | 福建师范大学 | The technique and complete set of equipments of a kind of calcium oxide ultra-fine grinding of environment-friendly type |
| CN111632741A (en) * | 2020-05-26 | 2020-09-08 | 南通利元亨机械有限公司 | Wear-resisting type spiral case feed frame |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104525341A (en) * | 2014-12-31 | 2015-04-22 | 江苏天琦生物科技有限公司 | Flash dryer |
| CN107321473A (en) * | 2017-08-03 | 2017-11-07 | 福建师范大学 | The technique and complete set of equipments of a kind of calcium oxide ultra-fine grinding of environment-friendly type |
| CN107321473B (en) * | 2017-08-03 | 2019-01-29 | 福建师范大学 | A kind of technique and complete set of equipments of the calcium oxide ultra-fine grinding of environment-friendly type |
| CN111632741A (en) * | 2020-05-26 | 2020-09-08 | 南通利元亨机械有限公司 | Wear-resisting type spiral case feed frame |
| CN111632741B (en) * | 2020-05-26 | 2022-03-08 | 南通利元亨机械有限公司 | Wear-resisting type spiral case feed frame |
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| Publication number | Publication date |
|---|---|
| CN103252272B (en) | 2016-05-04 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of invention: Raymond mill capable of cleaning impurities and dehumidifying Effective date of registration: 20171227 Granted publication date: 20160504 Pledgee: Changxin Zhejiang rural commercial bank Limited by Share Ltd. Pledgor: ZHEJIANG CHANGAN RENHENG TECHNOLOGY CO.,LTD. Registration number: 2017990001252 |
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Date of cancellation: 20201202 Granted publication date: 20160504 Pledgee: Changxin Zhejiang rural commercial bank Limited by Share Ltd. Pledgor: ZHEJIANG CHANGAN RENHENG TECHNOLOGY Co.,Ltd. Registration number: 2017990001252 |
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Denomination of invention: A kind of Raymond mill for removing impurities and dehumidification Effective date of registration: 20201204 Granted publication date: 20160504 Pledgee: Changxin Zhejiang rural commercial bank Limited by Share Ltd. Pledgor: ZHEJIANG CHANGAN RENHENG TECHNOLOGY Co.,Ltd. Registration number: Y2020330001120 |
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Date of cancellation: 20231227 Granted publication date: 20160504 Pledgee: Changxin Zhejiang rural commercial bank Limited by Share Ltd. Pledgor: ZHEJIANG CHANGAN RENHENG TECHNOLOGY CO.,LTD. Registration number: Y2020330001120 |
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