CN103252272B - A kind of can removal of impurities the Raymond mill of dehumidifying - Google Patents
A kind of can removal of impurities the Raymond mill of dehumidifying Download PDFInfo
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- CN103252272B CN103252272B CN201310186567.8A CN201310186567A CN103252272B CN 103252272 B CN103252272 B CN 103252272B CN 201310186567 A CN201310186567 A CN 201310186567A CN 103252272 B CN103252272 B CN 103252272B
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- removal
- main frame
- air duct
- impurities
- duct board
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- 239000012535 impurity Substances 0.000 title claims abstract description 56
- 239000004576 sand Substances 0.000 claims abstract description 30
- 244000309464 bull Species 0.000 claims abstract description 17
- 208000028804 PERCHING syndrome Diseases 0.000 claims abstract description 16
- 238000009826 distribution Methods 0.000 claims abstract description 3
- 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
- 239000000843 powder Substances 0.000 abstract description 23
- 239000000463 material Substances 0.000 abstract description 18
- 239000002994 raw material Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000012805 post-processing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004677 Nylon Substances 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
- 108010066278 cabin-4 Proteins 0.000 description 1
- 239000006185 dispersion Substances 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
- 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
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Disintegrating Or Milling (AREA)
- Combined Means For Separation Of Solids (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a kind of can removal of impurities the Raymond mill of dehumidifying, comprise main frame, grader, finished product cyclone separator, dedusting cabin and blower fan, wherein, main frame is mainly made up of grinding roller, bull ring, perching knife and air duct board, the circle distribution that is air duct board is fixed on host backplane, on the host backplane between the air duct board of main frame bottom, is provided with removal of impurities hole. Raw material to be ground is conveyed into thunder by batcher from feed(raw material)inlet and covers main frame, drops down onto on host backplane, and the perching knife rotating 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, is easily sunken under raw material, and under the effect of perching knife, some sandstone is brought in the space between air duct board, through removal of impurities hole time, spills from removal of impurities hole. This part sandstone can not brought back in grinding chamber and repeatedly be ground by grinding roller bull ring through the air-flow of air duct board, therefore, has greatly reduced the content of the sand powder in finished product powder, has improved product purity.
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 the most universal powder equipment of powder manufacture field application, is widely used in metallurgy, building materials, chemical industry, mine etc.Production industry. Raymond mill is mainly by parts such as main frame, grader, finished product cyclone separator, blower fan, batcher, plumbing installationsComposition. Wherein main frame mainly comprises frame, perching knife, grinding roller, bull ring, case etc.
The operation principle of Raymond mill: grinding roller in the time of vertical axis revolving because the effect of centrifugal force is pressed on bull ring, with grinding roller oneThe perching knife that plays rotation spreads the material on base plate between grinding roller and bull ring, and material is squeezed and grinds between grinding roller and bull ringEffect and pulverized. Powder after grinding is taken up by the air-flow of Raymond mill main frame bottom air inlet, 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, after collection, discharges and is through meal outletFinished product powder. The material that does not reach granularity requirements returns to grind in cavity and does further grinding.
In the middle of abrasive dust material, often contain some sandstones, particularly mine raw material, such as bentonite, 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 to quilt between grinding roller and bull ring by perching knifeRepeatedly grind, after being grated, be blended in finished product powder, cause the high defect of finished product powder impurity content. Finished product powder needsCarry out post processing and remove impurity to improve its purity, increased treatment step, when energy charge, improved production cost.
Some abrasive dust materials also contain some proportions, impurity that hardness ratio main component is large, if these impurity can be in process of lappingSeparate, not only can improve the purity of finished product, the impurity being separated can also be separately used as him, is conducive to increase economic effectBenefit, economizes on resources.
In addition, the material that some humidity is larger needed to dry or airing before grinding, and not only will take larger place, disappearedConsume a large amount of energy, and increased workman's labour intensity.
Summary of the invention
In order to solve above-mentioned defect of the prior art, the invention provides a kind of can removal of impurities the Raymond mill of dehumidifying, can greatly subtractImpurity content in few finished product powder, improves finished product purity, also can be used for the grinding of the material that humidity is larger.
In order to realize above-mentioned technical purpose, the present invention has adopted following technical scheme:
Raymond mill that can removal of impurities, comprises main frame, grader, finished product cyclone separator, dedusting cabin and blower fan, wherein, mainOwner will be made up 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 backplaneUpper, on the host backplane between the air duct board of main frame bottom, be provided with removal of impurities hole.
Raw material to be ground drops down onto on host backplane, together with grinding roller after being conveyed into thunder illiteracy main frame by batcher from feed(raw material)inletThe perching knife of rotation spreads the material on base plate between grinding roller and bull ring. Sand coarse aggregate ratio anharmonic ratio raw material is large, is easily 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 into the sky between air duct boardIn gap, through removal of impurities hole time, spill from removal of impurities hole. This part sandstone can not brought back to grinding chamber by the air-flow through air duct boardInteriorly repeatedly ground by grinding roller bull ring, therefore, greatly reduced the content of the sand powder in finished product powder, improved product purity.Finished product powder is without purifying through post processing.
In the material that contains impurity at other, impurity proportion hardness is larger, equally can be in the effect of perching knife in process of lappingUnder be brought in the space between air duct board, spill from removal of impurities hole through the removal of impurities hole time, thereby be separated. So notBut can improve the purity of finished product powder, the impurity being separated can also be separately used as him, is conducive to increase economic benefit, saveResource.
Further, described main frame bottom is provided with removal of impurities hole and regulates steel plate, is secured by bolts in host backplane. Adjusting steel plate canWith dismounting easily, in the time of needs shutoff removal of impurities hole, can regulate steel plate to be fixed on host backplane with bolt in removal of impurities hole; Need to useWhen impurity removal function, only need unclamp bolt, take off adjusting steel plate.
Described main frame bottom is provided with spiral and leads sand device, and the sand inlet that spiral is led sand device is positioned at the below in removal of impurities hole. From removal of impurities holeThe sandstone leaking down, falls into spiral and leads the sand inlet of sand device, leads the spiral rotating of sand device by spiral, and sandstone is taken out of deviceOutward. Spiral is set and leads sand device, can reduce thunder and cover the height that main frame is cheated below, realize effective utilization of the capacity to hole,The guiding that is conducive to sandstone is collected.
In order to facilitate the collection of sandstone, can lead and on sand device, connect impurity collecting bag at spiral. When impurity collecting bag is filled sandstoneAfter, can change in time. 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, removal of impurities bore dia is 5 lisRice.
The number in removal of impurities hole is determined according to the character of material and processing request. Can between every two pectinid guidance tapes, all arrange and removeAssorted hole, then regulates steel plate to regulate the actual quantity using with removal of impurities hole. The number in removal of impurities hole is preferably 4, and interval is evenly dividedBe distributed on the host backplane between two pectinid guidance tapes.
On the connecting pipe of blower fan and main frame, be provided with heater, heater can be that electricity consumption, oil or coal etc. are as thermal source.Because coal raw material is easy to get, price is low, and therefore heater is preferably coal stove. On the connecting pipe of blower fan and main frame, be provided with and add hot chargingPut, heating transfer medium also can be set, make blower fan air-flow out carry high heat energy (gas flow temperature can reach 50-200 DEG C)Enter Raymond mill main frame by air duct board gap, make on the one hand temperature of charge raise, moisture evaporates rapidly, 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 tangential gas flow import smooth, and resistance is little, inner Way outBe conducive to the dispersion of material, be not easy putty.
The present invention has following characteristics:
(1) can removal of impurities, greatly reduce the content of the sand powder in finished product powder, improve product purity. Finished product powder withoutNeed 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 being separated can also separately be doneHis use, is conducive to increase economic benefit, economizes on resources.
(3) can dehumidify, before the material of high humidity grinds, without oven dry, save the energy, reduce workman's labour intensity, enter oneStep reduces production costs.
(4) structural design is ingenious, and sandstone is collected simple. Removal of impurities hole can arbitrarily regulate according to the gravel content of raw material, operationSimple and easy.
Brief description of the drawings
Fig. 1 is the critical piece composition diagram of Raymond mill of the present invention.
Fig. 2 is that removal of impurities hole regulates 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;7-attemperating unit; 8-host backplane; 9-arc air duct board; 10-removal of impurities hole; 11-removal of impurities hole regulates steel plate; 12-bolt;13-spiral is led 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 Fig. 1 covers main frame bottom. Fig. 3It is A-A cutaway view in Fig. 2. Fig. 4 is that spiral is led sand apparatus structure schematic diagram.
Raymond mill as Figure 1-4, comprises that thunder covers main frame 1, grader 2, finished product cyclone separator 3, dedusting cabin 4 and windMachine 5. On the connecting pipe of blower fan 5 and thunder illiteracy main frame 1, be provided with coal stove 6 and attemperating unit 7.
Thunder covers main frame 1 and is mainly made up of grinding roller, bull ring, perching knife and arc air duct board 9, and it is solid that arc air duct board 9 is circle distributionOn host backplane 8, on the host backplane between the air duct board of main frame bottom, be provided with removal of impurities hole 10. The diameter in removal of impurities hole is 3Centimetre.
Cover main frame bottom at thunder and be provided with removal of impurities hole adjusting steel plate 11, be fixed on 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 sand device is positioned at the below in removal of impurities hole 10. From removingThe sandstone leaking down in assorted hole 10, falls into spiral and leads the sand inlet 14 of sand device, leads the spiral rotating of sand device, sandstone by spiralTaken out of outside device.
Raw material to be ground drops down onto on host backplane 8, with mill after being conveyed into thunder illiteracy main frame 1 by batcher from feed(raw material)inlet 15The perching knife that roller rotates together spreads the material on base plate between grinding roller and bull ring. Sand coarse aggregate ratio anharmonic ratio raw material is large, is easily sunken to raw materialUnder, 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 into arc air channelIn space between plate 9, through removal of impurities hole 10 time, spill from removal of impurities hole, then lead sand device 13 by spiral and derive.This part sandstone can not brought back in grinding chamber and repeatedly be ground by grinding roller bull ring through the air-flow of air duct board, therefore, greatly subtractsThe content that has lacked the sand powder in finished product powder, has improved product purity. Finished product powder is without purifying through post processing.
Raymond mill of the present invention also can be used for grinding the material that humidity is larger, before grinding, without oven dry, saves the energy, has reduced workPeople's labour intensity, further reduces production costs.
Claims (7)
- One kind can removal of impurities the Raymond mill of dehumidifying, comprise main frame, grader, finished product cyclone separator, dedusting cabin and blower fan, wherein, main frame is mainly made up of grinding roller, bull ring, perching knife and air duct board, it is characterized in that, the circle distribution that is air duct board is fixed on host backplane, on the host backplane between the air duct board of main frame bottom, is provided with removal of impurities hole; Described main frame bottom is provided with spiral and leads sand device, and the sand inlet that spiral is led sand device is positioned at the below in removal of impurities hole; Described main frame bottom is provided with removal of impurities hole and regulates steel plate, is secured by bolts in host backplane.
- 2. Raymond mill according to claim 1, is characterized in that, described spiral is led sand device and is connected with impurity collecting bag.
- 3. Raymond mill according to claim 1, is characterized in that, the diameter in described removal of impurities hole is 2-10 centimetre.
- 4. Raymond mill according to claim 1, is characterized in that, the number in described removal of impurities hole is 4, and interval is uniformly distributed on the host backplane between two pectinid guidance tapes.
- 5. Raymond mill according to claim 1, is characterized in that, on the connecting pipe of blower fan and main frame, is provided with heater.
- 6. Raymond mill according to claim 5, is characterized in that, described heater is coal stove.
- 7. Raymond mill according to claim 1, is characterized in that, described air duct board 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 |
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| Publication Number | Publication Date |
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| CN103252272A CN103252272A (en) | 2013-08-21 |
| CN103252272B true CN103252272B (en) | 2016-05-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104525341A (en) * | 2014-12-31 | 2015-04-22 | 江苏天琦生物科技有限公司 | Flash dryer |
| 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 |
| 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 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB497610A (en) * | 1937-08-06 | 1938-12-22 | Richardson Co | An improved process for the production of compositions of metal and metal oxides |
| JPH08131878A (en) * | 1994-11-10 | 1996-05-28 | Samei Kogyo Kk | Pulverizing method of shell and pulverizing device therefor |
| CN101507940A (en) * | 2009-01-15 | 2009-08-19 | 湘潭市双马世纪新材料有限公司 | Dehumidification dust-free Raymond mill |
| CN201375918Y (en) * | 2009-03-11 | 2010-01-06 | 河南黎明路桥重工有限公司 | Low-resistance cambered air flue for mill with suspended roller |
| CN201494822U (en) * | 2009-09-02 | 2010-06-02 | 泸州北方化学工业有限公司 | Automatic discharge silo |
| CN201603581U (en) * | 2010-02-11 | 2010-10-13 | 桂林鸿程矿山设备制造有限责任公司 | Fixed roller type coarse powder grinding machine |
| CN202155228U (en) * | 2011-04-18 | 2012-03-07 | 比亚迪股份有限公司 | Raymond grinding mill |
| CN202185329U (en) * | 2011-07-04 | 2012-04-11 | 山东阳信清阳生物培养基技术有限公司 | Novel cottonseed protein separating machine |
| CN202356145U (en) * | 2011-10-21 | 2012-08-01 | 江苏大阳光辅股份有限公司 | Raymond mill with dust suction device |
| CN202506456U (en) * | 2012-01-18 | 2012-10-31 | 卡罗比亚釉料（昆山）有限公司 | Vertical cutter type pulverizer |
| CN202729970U (en) * | 2012-09-05 | 2013-02-13 | 张少岩 | Feces treatment device |
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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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