CN105195424A - Centrifugal screen type particle separator - Google Patents

Centrifugal screen type particle separator Download PDF

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Publication number
CN105195424A
CN105195424A CN201510626587.1A CN201510626587A CN105195424A CN 105195424 A CN105195424 A CN 105195424A CN 201510626587 A CN201510626587 A CN 201510626587A CN 105195424 A CN105195424 A CN 105195424A
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CN
China
Prior art keywords
grain
centrifugal
screen type
sieve
separating machine
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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.)
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Application number
CN201510626587.1A
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Chinese (zh)
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CN105195424B (en
Inventor
卢存光
孙松国
孙祥国
邹国兵
杨川
高国庆
吴大兴
于全忠
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Sichuan Jinrun Zhonghong Technology Co Ltd
SICHUAN TAIWO AGRICULTURE TECHNOLOGY Co Ltd
Original Assignee
Sichuan Jinrun Zhonghong Technology Co Ltd
SICHUAN TAIWO AGRICULTURE TECHNOLOGY Co Ltd
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Application filed by Sichuan Jinrun Zhonghong Technology Co Ltd, SICHUAN TAIWO AGRICULTURE TECHNOLOGY Co Ltd filed Critical Sichuan Jinrun Zhonghong Technology Co Ltd
Priority to CN201510626587.1A priority Critical patent/CN105195424B/en
Publication of CN105195424A publication Critical patent/CN105195424A/en
Application granted granted Critical
Publication of CN105195424B publication Critical patent/CN105195424B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention provides a centrifugal screen type particle separator, which belongs to the fields of agricultural mechanical technology and chemical fertilizer production, and is substantially used to more effectively solve the separation problem of particles, and improves ratio of briquetting and reduces pollution. The centrifugal screen type particle separator comprises a rack and a vertical motor, wherein a drive shaft, a drive belt wheel and a motor shaft are assembled and combined to be a same component, wherein a driven belt wheel, a centrifugal wheel, a conical slip table and a driven shaft are assembled and combined to be a same component, the drive belt wheel, the driven belt wheel and a ring-shaped belt form belt drive, the driven shaft and parts which are arranged on the driven shaft are all arranged on the lower portion of the inner portion of a herringbone slip ridge, two arc-shaped baffle plates are arranged on the two sides of the outer side of the lower portion of the herringbone slip ridge and the upper portion of a particle filter screen, the centrifugal wheel is arranged on the lower end of the driven shaft and is arranged on the lower portion of the inner portion of the particle filter screen, the particle filter screen is arranged on the upper portion of the inner portion of a particle collecting hopper and is encircled on the periphery of the centrifugal wheel, the conical slip table is arranged above the bottom portion of the centrifugal wheel, and the upper portion of the particle collecting hopper is encircled on the periphery of the particle filter screen. The centrifugal screen type particle separator is substantially used for pelletizing of compound fertilizers.

Description

A kind of centrifugal screen type grain separating machine
Technical field:
The invention belongs to agricultural machinery technological field, particularly mechanical pelleting technical field.
Technical background:
In agricultural production, extensively compound fertilizer is applied in farmland, promotes crop growth.Compound fertilizer before use, needs various powders shape chemical fertilizer to mix, with granulating technique, mixed powder is prepared into the particle of certain size, is applied in farmland with this state.Along with level of farming mechanization improves constantly, many areas adopt mechanized equipment to apply fertilizer, and also improve constantly compound fertilizer granules dimensional requirement.Leading indicator is: particle will have that some strength and density, particle size control strictly, control errors within 5% etc., therefore proposes more and more higher requirement to granulating technique between varying particle size.
Pair roller extruding granulation equipment is widely used in chemical fertilizer production.This equipment is divided into again hot Granulation Equipments and cold Granulation Equipments two type.Hot Granulation Equipments, after being heated by powder, enters in mould extruded.And cold Granulation Equipments is without the need to powder heating, directly the powder mixed is input in mould extruded.Because hot Granulation Equipments needs with large-sized boiler as thermal source, and steam coal will produce environmental pollution.Current boiler is built needs strict examination & approval, and except the heavy construction that country is badly in need of, general area does not allow to build boiler.So hot granulating technique development is restricted.And pair roller extrudes cold granulating technique, become the mainstream technology of composite heat transfer.The method is divided into two steps and realizes:
The first step: be input between the roll of two synchronized reverse rotations by chemical fertilizer powder scroll feeder, is pressed into edging and has certain size and intensity, have the sheet-like particle connector that several particles link together.
Second step: with the grain separating machine below roll by broken apart for these sheet-like particle connectors individual particle for dispersion.
The commercial particulate seperator completing second step at present generally adopts " mace " structure, sheet-like particle connector enters between " mace " of two synchronized reverse rotations, people wish that coupling part between particle i.e. material thinnest part are interrupted by the latter, and sheet-like particle connector is separated into individual particle.
But this grain separating machine poor effect being commonly called as " mace " structure, there is following problem: by broken apart for sheet-like particle connector one-tenth individual particle, need certain power.Due to each sheet-like particle connector, the numbers of particles of connection is different, so need the size of broken power also different.The particle that sheet-like particle connector connects is more, when the crushing force of needs is larger, if crushing force is less than normal, sheet-like particle connector can not be separated; And the particle that sheet-like particle connector connects is less, when the crushing force of needs is less, if crushing force meeting bigger than normal breaks the particles down into powder.And this grain separating machine, crushing force cannot regulate.In order to ensure fragmentation, having to its crushing force to design higher, therefore causing a lot of particles in sheet-like particle connector to be broken into powder again when separated.So the ratio of briquetting of separating particles is not high.Practice shows; Adopt " mace " structure broken apart method in cold granulation, its grain forming rate generally only has about 40-60%, and about 40-60% remain powder must granulation again.A large amount of powder there is serious environment pollution, pole is unfavorable for the health of operating personnel.Particle separation ratio of briquetting is low, waste mass energy and manual labor.In a word, the current commercially available conventional grain separating machine being commonly called as " mace " structure, for the concrete condition adjustment crushing force of sheet-like particle connector, can not cause that ratio of briquetting is low has attached pollution.
The present invention proposes a kind of novel particle separator structure, in order to improve the ratio of briquetting of broken apart for sheet-like particle connector one-tenth individual particle and decreasing pollution.
Summary of the invention:
The object of this invention is to provide a kind of centrifugal screen type grain separating machine, it can solve effectively by the problem of broken apart for sheet-like particle connector one-tenth individual particle.
The object of the invention is to be realized by following technical characteristic: a kind of centrifugal screen type grain separating machine, comprise frame, vertical machine, driving shaft, driving pulley and endless belt thereof, wherein driving shaft and driving pulley and motor shaft are assembled and are connect for same component, driven pulley, centrifugal turntable, taper shape slips platform and driven shaft and assembles and connect for same component, driving pulley and driven pulley and endless belt form V belt translation, driven shaft and on it part be all positioned at herringbone and slip the bottom of inside of ridge, two pieces curved baffle is positioned at herringbone and slips the lower outside two of ridge and took up the top of grain sieve, the lower end of driven shaft is provided with centrifugal turntable and was positioned at the bottom of the inside of grain sieve, cross grain and sieve the top the periphery being looped around centrifugal turntable that are located at the inside of grain collector, taper shape slips platform on the bottom of centrifugal turntable, the top loop of grain collector is around the periphery crossing grain sieve, cross dressing sieve and be located at grain collector bottom.
The shell of described vertical machine, the axis of driving shaft, the axis of driven shaft, herringbone slip ridge, curved baffle, cross grain sieve and grain collector all with frame fixed connection, cross dressing sieve and grain collector fixed connection.
Centre-to-centre spacing between described driving pulley and driven pulley is one to six times of this two pulley diameters sum.
Described centrifugal turntable is located at the lower end of driven shaft, the below of driven pulley with suspension type structure and crosses the bottom of the inside that grain sieves.
Between the bus of the card of described centrifugal turntable and horizontal plane the acute angle of folder be 0 ° to 60 °.
Described taper shape to slip between the bus of the conical surface of platform and horizontal plane the acute angle of folder be 10 ° to 70 °.
It is Bilateral Symmetry skewback that described herringbone slips the top of ridge, between this two skewbacks and horizontal plane the acute angle of folder be 20 ° to 80 °, bottom is Bilateral Symmetry vertical plate, and this two vertical plate is positioned at the both sides, outside of driven pulley and endless belt.
Describedly cross the full sieve aperture of grain wire screen, surround the face of cylinder, the top edge line on this face of cylinder is higher than the outer edge line 50mm to 400mm of centrifugal turntable, and lower limb line is lower than the outer edge line 3mm to 300mm of centrifugal turntable.
The top loop of described grain collector is around the periphery crossing grain sieve, and bottom is tilting empty cylinder, and acute angle folded between the bottom surface of this empty cylinder and horizontal plane is 20 ° to 70 °.
Described dressing sieve is excessively fixed on the downside of the empty cylinder of grain collector bottom.
The present invention's advantage compared with prior art and effect:
1, regulate the rotating speed of motor as required, namely regulate centrifugal turntable to rotate with optimum speed, the size of the lateral velocity in the arrow D direction that sheet-like particle connector can be regulated arbitrarily to obtain, thus the size of the impact regulating itself and mistake grain to sieve and crushing force.Bonding strength between different types of chemical fertilizer granule is different, and the size of required crushing force is also different.The size of above-mentioned crushing force just makes material thinnest part between each particle disconnect, and forms individual particle, avoids excessive impact power that particle is also broken, therefore increased substantially grain forming rate.
2, regulate centrifugal turntable to rotate with optimum speed as mentioned above, the balance of charging and discharging can be realized; Also be conducive to improving ratio of briquetting, finally reach 85-95%.(different types of chemical fertilizer raw material ratio of briquetting difference to some extent)
3, cross the sieve aperture that grain sieve adopts size the best, make product be all individual particle, and size uniform is consistent.
4, dressing sieve was used to be separated with remaining fine powder by particle along band at this procedure.
5, herringbone is slipped ridge, curved baffle and grain collector and is not only had the function that above-mentioned help sheet-like particle connector is separated into individual particle, and has protection transmission system, realizes closing the function of producing.
6, productivity ratio is high, production per minute 15-20 kilogram of chemical fertilizer granule.
Accompanying drawing explanation
Fig. 1 is front view of the present invention
Fig. 2 is top view of the present invention
Fig. 3 is right view of the present invention
Embodiment
Below by accompanying drawing, the present invention is described further.The course of work of this centrifugal screen type grain separating machine is summarized as follows:
One, vertical machine 1 drives centrifugal turntable 11 to rotate in fixed axis with angular velocity omega by driving shaft 2, driving pulley 3, endless belt 4, driven pulley 7 and driven shaft 6.
Two, a upper procedure is to edging pressure, the sheet-like particle connector free-falling continuously of size inequality, wherein a part drops on herringbone with arrow B direction and slips on ridge 5, after gliding, more vertically drops on centrifugal turntable 11 along the Bilateral Symmetry skewback of the latter; Another part directly drops on centrifugal turntable 11 with arrow C direction.The rotation of the drop point distance driven shaft 6 of major part sheet-like particle connector is not too near; And the rotation of the drop point distance driven shaft 6 of small part sheet-like particle connector is very near, the conical surface diffusion of platform 12 can be slipped along taper shape and glide.After this guarantees in card that whole sheet-like particle connector falls centrifugal turntable 11, the position that the radius of gyration is enough large can be arrived.Curved baffle 8 retrains sheet-like particle connector and drops within centrifugal turntable 11, and don't can disperse.
Three, because centrifugal turntable 11 rotates in fixed axis with angular velocity omega, thus when each block sheet-like particle connector reaches the card upper rotary radius of centrifugal turntable 11 enough large position, capital obtains the lateral velocity in arrow D direction immediately, fly with the grain sieve 9 of crossing of this speed towards its periphery, collide with the screen cloth of the latter, impact makes material thinnest part between each particle disconnect, and the comparatively uniform individual particle of formation disperses, size passes over the sieve aperture of grain sieve 9.
Four, after the above-mentioned individual particle formed passes over the sieve aperture of grain sieve 9, continue to fly with the inwall of the lateral velocity reduced towards the top of grain collector 10, run into the stop of the latter, fall with the direction of arrow E.
Five, the above-mentioned individual particle formed falls with the direction of arrow E, runs into the bottom surface of the empty cylinder of grain collector 10 bottom, oblique slippery to the empty cylinder end with the direction of arrow F along the latter, then drops on finished product conveying broadband with the direction of arrow H.When being mixed in that fine powder in individual particle is slippery has been the upside of dressing sieve 13, falling with the direction of arrow G, after being so separated, return the granulation again of a upper procedure.
Six, by individual particle consistent for the size uniform obtained, load in packaging bag and dispatch from the factory.
Seven, by above-mentioned steps, from the sheet-like particle connector of 100 kilograms of size inequalities of a upper procedure, after about 5 minutes, 91 kilograms of individual particles and 9 kilograms of fine powders of size uniformity are separated into.Namely ratio of briquetting 91% is obtained.
In sum, the present invention not only can increase substantially the ratio of briquetting of broken apart for sheet-like particle connector one-tenth individual particle, and can obviously the extension device life-span, reduce dust, protection of the environment, be greatly conducive to the health of operator.

Claims (10)

1. a centrifugal screen type grain separating machine, comprise frame (0), vertical machine (1), driving shaft (2), driving pulley (3) and endless belt (4) thereof, wherein driving shaft (2) and driving pulley (3) and motor shaft assembles that to connect be same component, it is characterized in that: driven pulley (7), centrifugal turntable (11), taper shape slips platform (12) and driven shaft (6) and assemble that to connect be same component, driving pulley (3) and driven pulley (7) form V belt translation with endless belt (4), driven shaft (6) and on it part be all positioned at herringbone and slip the bottom of inside of ridge (5), two pieces curved baffle (8) is positioned at herringbone and slips the lower outside two of ridge (5) and took up the top of grain sieve (9), the lower end of driven shaft (6) is provided with centrifugal turntable (11) and was positioned at the bottom of the inside of grain sieve (9), cross grain sieve (9) be located at the top of the inside of grain collector (10) and be looped around the periphery of centrifugal turntable (11), taper shape slips platform (12) on the bottom of centrifugal turntable (11), the top loop of grain collector (10) is around the periphery crossing grain sieve (9), cross dressing sieve (13) and be located at grain collector (10) bottom.
2. a kind of centrifugal screen type grain separating machine according to claim 1, it is characterized in that: the shell of described vertical machine (1), the axis of driving shaft (2), the axis of driven shaft (6), herringbone slip ridge (5), curved baffle (8), cross grain sieve (9) and grain collector (10) all with frame (0) fixed connection, cross dressing sieve (13) and grain collector (10) fixed connection.
3. a kind of centrifugal screen type grain separating machine according to claim 1, is characterized in that: the centre-to-centre spacing between described driving pulley (3) and driven pulley (7) is one to six times of this two pulley diameters sum.
4. a kind of centrifugal screen type grain separating machine according to claim 1, is characterized in that: described centrifugal turntable (11) is located at the lower end of driven shaft (6), the below of driven pulley (7) with suspension type structure and crosses the bottom that grain sieves the inside of (9).
5. a kind of centrifugal screen type grain separating machine according to claim 1, is characterized in that: between the bus of the card of described centrifugal turntable (11) and horizontal plane the acute angle of folder be 0 ° to 60 °.
6. a kind of centrifugal screen type grain separating machine according to claim 1, is characterized in that: described taper shape to slip between the bus of the conical surface of platform (12) and horizontal plane the acute angle of folder be 10 ° to 70 °.
7. a kind of centrifugal screen type grain separating machine according to claim 1, it is characterized in that: it is Bilateral Symmetry skewback that described herringbone slips the top of ridge (5), between this two skewbacks and horizontal plane the acute angle of folder be 20 ° to 80 °, bottom is Bilateral Symmetry vertical plate, and this two vertical plate is positioned at the both sides, outside of driven pulley (7) and endless belt (4).
8. a kind of centrifugal screen type grain separating machine according to claim 1, it is characterized in that: described grain sieve (9) of crossing is covered with sieve aperture, surround the face of cylinder, the top edge line on this face of cylinder is higher than the outer edge line 50mm to 400mm of centrifugal turntable (11), and lower limb line is lower than the outer edge line 3mm to 300mm of centrifugal turntable (11).
9. a kind of centrifugal screen type grain separating machine according to claim 1, it is characterized in that: the top loop of described grain collector (10) is around the periphery crossing grain sieve (9), bottom is tilting empty cylinder, between the bottom surface of this empty cylinder and horizontal plane the acute angle of folder be 20 ° to 70 °.
10. a kind of centrifugal screen type grain separating machine according to claim 1, is characterized in that: described dressing sieve (13) is excessively fixed on the downside of the empty cylinder of grain collector (10) bottom.
CN201510626587.1A 2015-09-28 2015-09-28 A kind of centrifugal screen type grain separating machine Expired - Fee Related CN105195424B (en)

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CN201510626587.1A CN105195424B (en) 2015-09-28 2015-09-28 A kind of centrifugal screen type grain separating machine

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CN105195424B CN105195424B (en) 2018-06-19

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105537118A (en) * 2016-01-29 2016-05-04 嘉峪关鸿禄泰设备制造有限责任公司 Seed centrifugal winnowing machine
CN105772233A (en) * 2016-03-29 2016-07-20 时建华 Efficient garbage separator
CN107020046A (en) * 2017-05-15 2017-08-08 南京工程学院 A kind of solids mix device suitable for centrifugal screening
CN110606728A (en) * 2019-09-21 2019-12-24 河南祥盛陶粒有限公司 Light microporous ceramsite sand and preparation process thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4813613A (en) * 1987-01-01 1989-03-21 Felipe Salete Process for the obtention of high purity mucilage
JP2006075790A (en) * 2004-09-13 2006-03-23 Godai Enbodei Kk Removing apparatus of foreign matter of small specific gravity in particulate
CN202079034U (en) * 2011-03-11 2011-12-21 中国石油大学(华东) Device for grading particles with high density and narrow level
CN202343460U (en) * 2011-12-07 2012-07-25 韶关市柏林再生资源开发有限公司 Centrifugal powder selector
CN202983905U (en) * 2012-08-27 2013-06-12 广西科晟达机械制造有限公司 Centrifugal ore separator
CN204486270U (en) * 2014-12-19 2015-07-22 重庆市南桐特种水泥有限责任公司 Centrifugal classifier
CN205008238U (en) * 2015-09-28 2016-02-03 卢存光 Centrifugal screen formula particle separation machine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4813613A (en) * 1987-01-01 1989-03-21 Felipe Salete Process for the obtention of high purity mucilage
JP2006075790A (en) * 2004-09-13 2006-03-23 Godai Enbodei Kk Removing apparatus of foreign matter of small specific gravity in particulate
CN202079034U (en) * 2011-03-11 2011-12-21 中国石油大学(华东) Device for grading particles with high density and narrow level
CN202343460U (en) * 2011-12-07 2012-07-25 韶关市柏林再生资源开发有限公司 Centrifugal powder selector
CN202983905U (en) * 2012-08-27 2013-06-12 广西科晟达机械制造有限公司 Centrifugal ore separator
CN204486270U (en) * 2014-12-19 2015-07-22 重庆市南桐特种水泥有限责任公司 Centrifugal classifier
CN205008238U (en) * 2015-09-28 2016-02-03 卢存光 Centrifugal screen formula particle separation machine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105537118A (en) * 2016-01-29 2016-05-04 嘉峪关鸿禄泰设备制造有限责任公司 Seed centrifugal winnowing machine
CN105772233A (en) * 2016-03-29 2016-07-20 时建华 Efficient garbage separator
CN105772233B (en) * 2016-03-29 2018-09-14 利辛县江淮扬天汽车有限公司 A kind of high-efficiency refuse seperator
CN107020046A (en) * 2017-05-15 2017-08-08 南京工程学院 A kind of solids mix device suitable for centrifugal screening
CN107020046B (en) * 2017-05-15 2019-09-06 南京工程学院 A kind of solids mix device suitable for centrifugal screening
CN110606728A (en) * 2019-09-21 2019-12-24 河南祥盛陶粒有限公司 Light microporous ceramsite sand and preparation process thereof

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