CN202655223U - Vertical fine-grained screening device - Google Patents

Vertical fine-grained screening device Download PDF

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Publication number
CN202655223U
CN202655223U CN 201120490217 CN201120490217U CN202655223U CN 202655223 U CN202655223 U CN 202655223U CN 201120490217 CN201120490217 CN 201120490217 CN 201120490217 U CN201120490217 U CN 201120490217U CN 202655223 U CN202655223 U CN 202655223U
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CN
China
Prior art keywords
layer
sieve
screen
sieve nest
nest
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
Application number
CN 201120490217
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Chinese (zh)
Inventor
常士玖
刘呈兵
王林
杨志文
刘作强
李绍川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tangshan Shenzhou Machinery Co Ltd
Original Assignee
Tangshan Shenzhou Machinery Co Ltd
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Priority to CN 201120490217 priority Critical patent/CN202655223U/en
Application granted granted Critical
Publication of CN202655223U publication Critical patent/CN202655223U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a vertical fine-grained screening device comprising a vertical frame, an undersized screen, a first layer of screen body, a second layer of screen body, a third layer of screen body, a forth layer of screen body, a fifth layer of screen body and a sixth layer of screen body, a first undersize chute, an undersize belt, an oversize chute and an oversize belt. The screen bodies of all the layers are obliquely arranged in the vertical frame in a zigzag mode; the lower part of a vibration screen of the first layer of screen body is connected to the front part of a vibration screen of the second layer of screen body; the lower part of the vibration screen of the second layer of screen body is connected to the front part of a vibration screen of the third layer of screen body; the lower part of the vibration screen of the third layer of screen body is connected to the front part of a vibration screen of the forth layer of screen body; the lower part of the vibration screen of the forth layer of screen body is connected to the front part of a vibration screen of the fifth layer of screen body; the lower part of the vibration screen of the fifth layer of screen body is connected to the front part of a vibration screen of the sixth layer of screen layer; and the lower part of the vibration screen of the sixth layer of screen body is obliquely arranged at the upper part of the oversize chute. The screening device does not need additional power, and screens fine-grained materials just by using the vibration of the screen bodies and the gravity of the materials; and the process is environment-friendly and energy-saving.

Description

A kind of vertical fine-grit screening device
Technical field
The utility model relates to coal separation, ore dressing screening plant, especially relates to a kind of vertical fine-grit screening device.
Background technology
Ore dressing both at home and abroad and coal separation screening plant commonly used has at present: vibratory sieve, shaker screen, roller picker, spiral screen etc.Front two kinds all is to utilize the vibration of sieve plate or whole sieve nest to shake impelling and bulk material, and rear two kinds are all utilized axle to rotate to carry and screening materials carrying, can both reach comparatively ideal effect in most of situation.But when higher and sieve ratio was more thorough to out raw meal particle size uniformity requirement of screening, above-mentioned four kinds of sieves just were difficult to reach designing requirement.The vibratory sieve of individual layer or shaker screen can be realized preliminary screening during relatively than the material screening of coarseness; When selecting Multilayer vibrating screen or shaker screen, how to control that varigrained to be sized that material transports between Multilayer vibrating screen or shaker screen be a difficult problem always; Use multistage single-deck vibrating screen equipment or shaker screen equipment, must increase and transport cost and equipment cost, also brought huge material waste and environmental pollution simultaneously; In addition, the relation of how controlling between the aperture of sieve nest sieve aperture of multistage single-deck vibrating screen equipment or shaker screen equipment also is the problem that is not easy to solve.Roller picker is because the running part complex structure, and sieve-plate aperture ratio is subjected to distance between axles restriction and sieve nest cost high, generally also is only to be used for the greatly (material screening of granularity>30mm) of granularity.The spiral screen screening effect is better, but power consumption large (be the 2-3 of common screening doubly), equipment and consumable accessory cost high, material is had fragmentation, present less use.
Therefore, to out raw meal particle size uniformity requirement of screening higher and sieve ratio more thoroughly dry screening be a global problem always, especially for the screening of granularity less than the material of 12mm (millimeter).
The utility model content
In order to solve the technical barrier that exists in the sieving technology in the prior art, of the present utility model provide a kind of simple in structure, can realize the fine-grained screening plant of selected difference
According to the technical solution of the utility model, a kind of vertical fine-grit screening device that provides, it comprises Vertical Rack, the lower funnel 2 of sieve, ground floor sieve nest 3, the first screenings chute 4, second layer sieve nest 5, the 3rd layer of sieve nest 6, the 4th layer of sieve nest 7, layer 5 sieve nest 8, layer 6 sieve nest 9, screenings belt 10, oversize chute 11, oversize belt 12; Ground floor sieve nest 3, second layer sieve nest 5, the 3rd layer of sieve nest 6, the 4th layer of sieve nest 7, layer 5 sieve nest 8, layer 6 sieve nest 9 all is inclined to " it " font and is installed in the Vertical Rack, the vibratory sieve bottom of ground floor sieve nest 3 connects the vibratory sieve front portion of second layer sieve nest 5, the vibratory sieve bottom of second layer sieve nest 5 connects the vibratory sieve front portion of the 3rd layer of sieve nest 6, the vibratory sieve bottom of the 3rd layer of sieve nest 6 connects the vibratory sieve front portion of the 4th layer of sieve nest 7, and the vibratory sieve bottom of the 4th layer of sieve nest 7 connects the vibratory sieve front portion of layer 5 sieve nest 8, the vibratory sieve bottom of layer 5 sieve nest 8 connects the vibratory sieve front portion of layer 6 sieve nest 9, the vibratory sieve lower tilt of layer 6 sieve nest 9 is arranged on the top of oversize chute 11.
The beneficial effects of the utility model are:
(1) need not other induction system or carrying method, only rely on sieve nest self vibration and the self gravitation of material, realized the movement of on-the-sieve material at (layer) at different levels sieve nest;
(2) sieve aperture of sieve plate can be selected in (layer) at different levels sieve nest, thereby can realize selecting sieve plate according to the needs of material of different grain size screening, and then has realized the equipment versatility;
(3) Flow of Goods and Materials speed can be realized in the angle of inclination of (layer) at different levels by arranging sieve nest in frame, and then realizes screening speed;
(4) by selecting the screen-aperture of sieve plate in (layer) at different levels sieve nest, can make in (layer) at different levels sieve nest the sieve plate sieve aperture all not identical, thereby can realize varigrained screening.
Description of drawings
Fig. 1 is the screening structural entity schematic diagram according to fine-grit screening device of the present utility model,
Fig. 2 is the screening section of structure according to fine-grit screening device of the present utility model.
The specific embodiment
The utility model preferred embodiment is as follows:
See Fig. 1~Fig. 2, in the first embodiment of the present utility model, a kind of vertical fine-grit screening device, it comprises Vertical Rack, charging gear, vibratory sieve, conveying chute, loading head; Charging gear is arranged on the top of Vertical Rack, a plurality of vibratory sieves link to each other and to be connected into " it " font and to be installed in Vertical Rack inside, the conveying chute is arranged on the outside or a plurality of vibratory sieves bottom of Vertical Rack, be used for transporting the material that sieves out, loading head is arranged at Vertical Rack one side, is used for collecting the conveying chute and transports next material.
Wherein, the conveying chute further comprises screenings chute and oversize chute, and the screenings chute is arranged on the outside of Vertical Rack and is used for transporting than the fine granularity material, and the oversize chute is arranged on last vibratory sieve bottom.Preferably, the oversize chute is the lower funnel of sieve.In addition, also can between conveying chute and loading head, be provided with and transport belt, be used for transhipment conveying chute and transport next material.
Further, transport belt and comprise screenings belt 10 and oversize belt 12.Vibratory sieve is the 2-10 layer; Preferably, vibratory sieve is the 4-7 layer.Each layer vibratory sieve all can be changed, and the sieve nest of selecting different screen-apertures.
In the second embodiment of the present utility model, a kind of vertical fine-grit screening device, it comprises Vertical Rack, the lower funnel 2 of sieve, ground floor sieve nest 3, the first screenings chute 4, second layer sieve nest 5, the 3rd layer of sieve nest 6, the 4th layer of sieve nest 7, layer 5 sieve nest 8, layer 6 sieve nest 9, screenings belt 10, oversize chute 11, oversize belt 12; Ground floor sieve nest 3, second layer sieve nest 5, the 3rd layer of sieve nest 6, the 4th layer of sieve nest 7, layer 5 sieve nest 8, layer 6 sieve nest 9 all is inclined to " it " font and is installed in the Vertical Rack, the vibratory sieve bottom of ground floor sieve nest 3 connects the vibratory sieve front portion of second layer sieve nest 5, the vibratory sieve bottom of second layer sieve nest 5 connects the vibratory sieve front portion of the 3rd layer of sieve nest 6, the vibratory sieve bottom of the 3rd layer of sieve nest 6 connects the vibratory sieve front portion of the 4th layer of sieve nest 7, and the vibratory sieve bottom of the 4th layer of sieve nest 7 connects the vibratory sieve front portion of layer 5 sieve nest 8, the vibratory sieve bottom of layer 5 sieve nest 8 connects the vibratory sieve front portion of layer 6 sieve nest 9, the vibratory sieve lower tilt of layer 6 sieve nest 9 is arranged on the top of oversize chute 11;
The operation principle of vertical fine-grit screening device comprises that step is as follows described in the second embodiment of the present utility model:
1) material 13 is transported to the Vertical Rack top by belt, enters ground floor sieve nest 3;
2) oversize of ground floor sieve nest 3 falls into the 5 continuation screenings of second layer sieve nest, and the screenings of ground floor sieve nest 3 enters screenings chute 4 through the lower funnel 2 that sieves, and falls into screenings belt 10, is transported to the first loading head through screenings belt 10;
3) material that falls into second layer sieve nest 5 continues to be sized, the oversize of second layer sieve nest 5 falls into the 3rd layer of sieve 6 and continues screening, the screenings of second layer sieve nest 5 enters screenings chute 4 through the lower funnel 2 that sieves, and falls into screenings belt 10, is transported to the first loading head through screenings belt 10;
4) material that falls into the 3rd layer of sieve nest 6 continues to be sized, the oversize of the 3rd layer of sieve nest 6 falls into the 4th layer of sieve 7 and continues screening, the screenings of the 3rd layer of sieve nest 6 enters screenings chute 4 through the lower funnel 2 that sieves, and falls into screenings belt 10, is transported to the first loading head through screenings belt 10;
5) with similar step 3) and step 4) the screening step, material is sieved carrying out the 4th layer of sieve nest 7, layer 5 sieve nest 8, layer 6 sieve nest 9;
6) oversize of layer 6 sieve nest 9 falls in the oversize chute 11, enters oversize belt 12 by oversize chute 11, is transported to the second loading head.
Use technical scheme provided by the utility model, it has the advantage that is different from very much sieving technology in the prior art.In the utility model, need not other induction system or carrying method, only rely on sieve nest self vibration and the self gravitation of material, realized the movement of on-the-sieve material at (layer) at different levels sieve nest.In addition, the sieve aperture of sieve plate can be selected in (layer) at different levels sieve nest, thereby can realize selecting sieve plate according to the needs of material of different grain size screening, and then has realized the equipment versatility, namely uses the screening of different material.Additionally, Flow of Goods and Materials speed can be realized in the angle of inclination of (layer) at different levels by arranging sieve nest in frame, and then realizes screening speed.Perhaps, the screen-aperture of sieve plate in (layer) at different levels by selecting sieve nest, can make in (layer) at different levels sieve nest the sieve plate sieve aperture all not identical, thereby can realize varigrained screening, for example the screen-aperture of ground floor sieve nest select the screen-aperture of screen-aperture, second layer sieve nest greater than second layer sieve nest select greater than the 3rd layer of sieve nest screen-aperture, the rest may be inferred, otherwise perhaps.
In technical scheme provided by the utility model, described fine granularity refers to raw meal particle size 10 millimeters and following granularity.
The above; it only is the better specific embodiment of the utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.

Claims (1)

1. vertical fine-grit screening device, it is characterized in that, comprise Vertical Rack, the lower funnel (2) of sieve, ground floor sieve nest (3), the first screenings chute (4), second layer sieve nest (5), the 3rd layer of sieve nest (6), the 4th layer of sieve nest (7), layer 5 sieve nest (8), layer 6 sieve nest (9), screenings belt (10), oversize chute (11), oversize belt (12); Ground floor sieve nest (3), second layer sieve nest (5), the 3rd layer of sieve nest (6), the 4th layer of sieve nest (7), layer 5 sieve nest (8), layer 6 sieve nest (9) all is inclined to " it " font and is installed in the Vertical Rack, the vibratory sieve bottom of ground floor sieve nest (3) connects the vibratory sieve front portion of second layer sieve nest (5), the vibratory sieve bottom of second layer sieve nest (5) connects the vibratory sieve front portion of the 3rd layer of sieve nest (6), the vibratory sieve bottom of the 3rd layer of sieve nest (6) connects the vibratory sieve front portion of the 4th layer of sieve nest (7), and the vibratory sieve bottom of the 4th layer of sieve nest (7) connects the vibratory sieve front portion of layer 5 sieve nest (8), the vibratory sieve bottom of layer 5 sieve nest (8) connects the vibratory sieve front portion of layer 6 sieve nest (9), the vibratory sieve lower tilt of layer 6 sieve nest (9) is arranged on the top of oversize chute (11).
CN 201120490217 2011-06-15 2011-06-15 Vertical fine-grained screening device Expired - Lifetime CN202655223U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201120490217 CN202655223U (en) 2011-06-15 2011-06-15 Vertical fine-grained screening device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201120490217 CN202655223U (en) 2011-06-15 2011-06-15 Vertical fine-grained screening device

Related Parent Applications (1)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103639106A (en) * 2013-12-11 2014-03-19 大连理工大学 Abrasive screening machine allowing granularity to be adjustable
CN104014479A (en) * 2014-06-09 2014-09-03 苏州博讯仪器有限公司 Mineral separation device
CN105170471A (en) * 2015-11-05 2015-12-23 东阿县鑫星钢球有限公司 Steel ball sorting machine
CN105836430A (en) * 2016-06-12 2016-08-10 天津市实达电力设备有限公司 Material classifying, screening and conveying device
CN108043729A (en) * 2017-12-11 2018-05-18 界首市金龙机械设备有限公司 A kind of corn screening machine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103639106A (en) * 2013-12-11 2014-03-19 大连理工大学 Abrasive screening machine allowing granularity to be adjustable
CN104014479A (en) * 2014-06-09 2014-09-03 苏州博讯仪器有限公司 Mineral separation device
CN105170471A (en) * 2015-11-05 2015-12-23 东阿县鑫星钢球有限公司 Steel ball sorting machine
CN105836430A (en) * 2016-06-12 2016-08-10 天津市实达电力设备有限公司 Material classifying, screening and conveying device
CN108043729A (en) * 2017-12-11 2018-05-18 界首市金龙机械设备有限公司 A kind of corn screening machine

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Granted publication date: 20130109