CN201519602U - Out-overflow silicon carbide micropowder classification apparatus - Google Patents

Out-overflow silicon carbide micropowder classification apparatus Download PDF

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Publication number
CN201519602U
CN201519602U CN2009200914515U CN200920091451U CN201519602U CN 201519602 U CN201519602 U CN 201519602U CN 2009200914515 U CN2009200914515 U CN 2009200914515U CN 200920091451 U CN200920091451 U CN 200920091451U CN 201519602 U CN201519602 U CN 201519602U
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CN
China
Prior art keywords
classification
silicon carbide
cylindrical part
guiding gutter
degree
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 - Fee Related
Application number
CN2009200914515U
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Chinese (zh)
Inventor
孙义
买智勇
张鹤顶
肖泰敏
曲丽伟
梁贵振
叶进甫
杨正宏
楚红斌
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.)
PINGDINGSHAN YICHENG NEW MATERIAL CO Ltd
Original Assignee
PINGDINGSHAN COAL INDUSTRIAL GROUP PINGDINGSHAN EASILY INTO SILICON CARBIDE PRODUCTS Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by PINGDINGSHAN COAL INDUSTRIAL GROUP PINGDINGSHAN EASILY INTO SILICON CARBIDE PRODUCTS Co Ltd filed Critical PINGDINGSHAN COAL INDUSTRIAL GROUP PINGDINGSHAN EASILY INTO SILICON CARBIDE PRODUCTS Co Ltd
Priority to CN2009200914515U priority Critical patent/CN201519602U/en
Application granted granted Critical
Publication of CN201519602U publication Critical patent/CN201519602U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

An out-overflow silicon carbide micropowder classification apparatus comprises a classification cylinder with an upper cylindrical section and a lower conical section, wherein the cylindrical section has the diameter ranging from 1,000 to 2,500 mm, and the height ranging from 1,200 to 2,200 mm; a circle of outer eaves are formed on the upper part of the out wall of the cylindrical section; a guide groove with the width ranging from 60 to 90 mm is formed between the outer eaves and the outer wall of the cylindrical section; an included angle ranging from 20 to 65 degree is formed between the bottom of the guide groove and the horizontal plane; and the coning angle of the conical section ranges from 12 to 19 degree. The out-overflow silicon carbide micro-powder classification apparatus has the advantages that dead corner is not easy to appear in the classification cylinder, the materials are uniformly distributed, the force is uniform, the classification accuracy is improved, the pressure stabilization effect is excellent, and the classification size controllability is enhanced further.

Description

The outer formula overflow silicon carbide micro-powder classifying equipoment that overflows
Technical field
The utility model relates to a kind of micro mist hydraulic classification equipment, a kind of specifically outer formula overflow silicon carbide micro-powder classifying equipoment that overflows.
Background technology
In world's prior art, the fine powder that is narrower than 40 microns adopts hydraulic classification equipment to carry out classification production usually.Wherein the overflow size separation method has been got back and has been used widely, overflow size separation equipment comprises that generally top is cylindrical, the bottom is conical classification cylinder, also can be described as the classification bucket, traditional classification cylinder has a lot of shortcomings: 1, diameter of cylinder is little, highly low, the centrum angle is too big, overflow water is entered by the bottom can form the dead angle when centrum is upwards spread, and forms precipitation easily on centrum.2, be difficult to the control voltage stabilizing, cause easily that product granularity is wide, the bad control of bulky grain.3, traditional classification cylinder volume is little, and production efficiency is low.
Summary of the invention
The purpose of this utility model is to solve the problems of the technologies described above the deficiency of existence, the outer casual formula overflow silicon carbide micro-powder classifying equipoment that provide a kind of partition size to be easy to control, effectiveness of classification is high.
The utility model is the deficiency that solves the problems of the technologies described above, the technical scheme that is adopted is: casual outward formula overflow silicon carbide micro-powder classifying equipoment, comprise classification cylinder with top cylindrical part and lower cone shape part, the diameter of cylindrical part is 1000-2500mm, highly be 1200-2200mm, be provided with the outer eaves that rounds on the outer wall top of cylindrical part, forming width between the outer wall of outer eaves and cylindrical part is the guiding gutter of 60-90mm, the bottom surface of guiding gutter is horizontal by 20-65 degree angle, and the coning angle of conical portion is the 12-19 degree.
Described guiding gutter bottom is provided with discharging opening.
The beneficial effects of the utility model are: the conical portion angle is reasonable, makes the flow speed effective function in each particle, has improved effectiveness of classification; Be not prone to the dead angle in the classification cylinder, slip is evenly distributed, and stressed even; Classification cylinder column part height is suitable, and voltage regulation result is good, and it is controlled further to have strengthened partition size; The stream feeder that overflows has outward correctly guided the flow direction of material after the classification, and the reasonable levels angle makes material be difficult for being deposited in the groove, and control at an easy rate overflows the flow direction of product.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
Mark among the figure: 1, cylindrical part, 2, conical portion, 3, outer eaves, 4, guiding gutter, 5, discharging opening.
The specific embodiment
In conjunction with the accompanying drawings, the outer formula overflow silicon carbide micro-powder classifying equipoment that overflows, comprise classification cylinder with top cylindrical part 1 and lower cone shape part 2, the diameter of cylindrical part 1 is 1000-2500mm, highly be 1200-2200mm, be provided with the outer eaves 3 that rounds on the outer wall top of cylindrical part 1, forming width between the outer wall of outer eaves 3 and cylindrical part 1 is the guiding gutter 4 of 60-90mm, the bottom surface of guiding gutter 4 is provided with discharging opening 5 horizontal by 20-65 degree angle in guiding gutter 4 bottoms.
The coning angle of described conical portion 2 is the 12-19 degree, and little angle can make that slip obtains enough, rational impulse force, makes the slip epigranular distribute, and is difficult for forming the dead angle, has improved the effectiveness of classification of slip.The height of conical portion 2 can reach 3000 millimeters, the impulsive force of water is progressively weakened at tapering part, when slip arrives cylindrical part 1, be even propradation, appearance is because of the different laminar conditions that form of granule size, the micro mist of the superiors diffuses out from cylindrical part 1, collects through guiding gutter 4, promptly reaches the classification purpose.
Embodiment 1
The outer formula overflow silicon carbide micro-powder classifying equipoment that overflows, classification cylinder top cylindrical part 1 diameter is 1000mm, highly be 1200mm, the coning angle of conical portion 2 is 12 degree, be provided with the outer eaves 3 that rounds on the outer wall top of cylindrical part 1, forming width between the outer wall of outer eaves 3 and cylindrical part 1 is the guiding gutter 4 of 60mm, and the bottom surface of guiding gutter 4 is provided with discharging opening 5 horizontal by 20 degree angles in guiding gutter 4 bottoms.
Embodiment 2
The outer formula overflow silicon carbide micro-powder classifying equipoment that overflows, classification cylinder top cylindrical part 1 diameter is 1800mm, highly be 1500mm, the coning angle of conical portion 2 is 15 degree, be provided with the outer eaves 3 that rounds on the outer wall top of cylindrical part 1, forming width between the outer wall of outer eaves 3 and cylindrical part 1 is the guiding gutter 4 of 80mm, and the bottom surface of guiding gutter 4 is provided with discharging opening 5 horizontal by 45 degree angles in guiding gutter 4 bottoms.
Embodiment 3
The outer formula overflow silicon carbide micro-powder classifying equipoment that overflows, classification cylinder top cylindrical part 1 diameter is 2500mm, highly be 2200mm, the coning angle of conical portion 2 is 19 degree, be provided with the outer eaves 3 that rounds on the outer wall top of cylindrical part 1, forming width between the outer wall of outer eaves 3 and cylindrical part 1 is the guiding gutter 4 of 90mm, and the bottom surface of guiding gutter 4 is provided with discharging opening 5 horizontal by 65 degree angles in guiding gutter 4 bottoms.

Claims (2)

1. casual outward formula overflow silicon carbide micro-powder classifying equipoment, comprise classification cylinder with top cylindrical part (1) and lower cone shape part (2), it is characterized in that: the diameter of cylindrical part (1) is 1000-2500mm, highly be 1200-2200mm, be provided with the outer eaves (3) that rounds on the outer wall top of cylindrical part (1), forming width between the outer wall of outer eaves (3) and cylindrical part (1) is the guiding gutter (4) of 80-90mm, the bottom surface of guiding gutter (4) is horizontal by 20-65 degree angle, and the coning angle of conical portion (1) is the 12-19 degree.
2. the outer formula overflow silicon carbide micro-powder classifying equipoment that overflows as claimed in claim 1, it is characterized in that: described guiding gutter (4) bottom is provided with discharging opening (5).
CN2009200914515U 2009-07-13 2009-07-13 Out-overflow silicon carbide micropowder classification apparatus Expired - Fee Related CN201519602U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009200914515U CN201519602U (en) 2009-07-13 2009-07-13 Out-overflow silicon carbide micropowder classification apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009200914515U CN201519602U (en) 2009-07-13 2009-07-13 Out-overflow silicon carbide micropowder classification apparatus

Publications (1)

Publication Number Publication Date
CN201519602U true CN201519602U (en) 2010-07-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009200914515U Expired - Fee Related CN201519602U (en) 2009-07-13 2009-07-13 Out-overflow silicon carbide micropowder classification apparatus

Country Status (1)

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CN (1) CN201519602U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110918246A (en) * 2019-10-10 2020-03-27 新余学院 Semi-continuous hydraulic overflow grading device and method for purifying silicon carbide by using same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110918246A (en) * 2019-10-10 2020-03-27 新余学院 Semi-continuous hydraulic overflow grading device and method for purifying silicon carbide by using same

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: PINGDINGSHAN YICHENG NEW MATERIAL CO., LTD.

Free format text: FORMER NAME: ZHONGPING NENGHUA GROUP YICHENG NEW MATERIALS CO., LTD.

Owner name: ZHONGPING NENGHUA GROUP YICHENG NEW MATERIALS CO.,

Free format text: FORMER NAME: PINGDINGSHAN COAL (GROUP) YICHENG SILICON CARBIDE PRODUCTS CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: 467013 No. 37, east section, Jianshe Road, Henan, Pingdingshan

Patentee after: PINGDINGSHAN YICHENG NEW MATERIAL Co.,Ltd.

Address before: 467013 No. 37, east section, Jianshe Road, Henan, Pingdingshan

Patentee before: Zhongping Energy and Chemical Group Yicheng New Material Co.,Ltd.

Address after: 467013 No. 37, east section, Jianshe Road, Henan, Pingdingshan

Patentee after: Zhongping Energy and Chemical Group Yicheng New Material Co.,Ltd.

Address before: 467013 No. 37, east section, Jianshe Road, Henan, Pingdingshan

Patentee before: Pingdingshan Coal (Group) Yicheng Silicon Carbide Products Co.,Ltd.

C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 467013 No. 37, east section, Jianshe Road, Henan, Pingdingshan

Patentee after: PINGDINGSHAN YICHENG NEW MATERIAL Co.,Ltd.

Address before: 467013 No. 37, east section, Jianshe Road, Henan, Pingdingshan

Patentee before: PINGDINGSHAN YICHENG NEW MATERIAL Co.,Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100707

Termination date: 20180713