CN108499853A - A kind of material combinations testing sifter - Google Patents
A kind of material combinations testing sifter Download PDFInfo
- Publication number
- CN108499853A CN108499853A CN201810428321.XA CN201810428321A CN108499853A CN 108499853 A CN108499853 A CN 108499853A CN 201810428321 A CN201810428321 A CN 201810428321A CN 108499853 A CN108499853 A CN 108499853A
- Authority
- CN
- China
- Prior art keywords
- sieve
- screen
- sieve bucket
- rack
- screen analysis
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/34—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/30—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro within their own plane in or approximately in or transverse to the direction of conveyance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B2230/00—Specific aspects relating to the whole B07B subclass
- B07B2230/01—Wet separation
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a kind of material combinations testing sifters, include the sieve bucket for the multistage bottom belt blow-off valve being from top to bottom arranged, it is equipped with sieve in the sieve bucket, the sieve and sieve bucket are connected by the first rack and the second rack that are acted on by vibrator respectively, on the basis of first rack and the second rack are fixed on by elastic device.The present invention breaches the technology limitation of 75 μm of screening lower limits of traditional vibrating sieving machine, can dramatically increase material screening efficiency, shorten test period and Design of beneficiation process period, save labour turnover, entire screening process water consumption is small, saves water and energy.
Description
Technical field
The invention belongs to materiel machining fields, and in particular to a kind of material combinations screen analysis method.
Background technology
In materiel machining field, material engineer testing often will carry out screen analysis to material, i.e., material powders are pressed its particle
If size is divided into dry granular group, so as to the physico-chemical property independent analysis to each group.Traditional automatic screen analysis method is to use " to shake
Screen(ing) machine " screen analysis（See Fig. 1）.The method that the device uses bushing screen, the standard screen of different meshes is stacked from coarse to fine, from top to bottom
Get up, material to be sieved is fed from the top compass screen surface, hits vibration by the rattling or top of vibrating sieving machine, material passes through from top to bottom
Sieve step by step is crossed, material is stayed in by granular size respectively on each layer compass screen surface, achievees the purpose that classification.The screening process of this method is
Dry screen in air, screening error is larger, and it is -75 μm to sieve lower limit, can not sieve thinner particle, has apparent limitation
Property.
The screen analysis method of -75 μm of traditional grade materials is manual wet screening, i.e., first makes material larger by sieve pore in water
Standard screen, then with thinner sieve to upper level screenings（Suspension）It is sieved, by the way that repeatedly screening reaches point manually
The purpose of grade（See Fig. 2）.Hand wants continuous shaker screen during screen analysis, and with the increase of series, water is built up,
Screenings（Suspension）Amount increase suddenly, so that more fine-graded screening difficulty and workload is constantly increased, entire screen analysis process
It takes time and effort, it is less efficient.
Invention content
The object of the present invention is to provide a kind of screening efficiency height, material combinations testing sifters with high accuracy.
In order to achieve the above-mentioned object of the invention, technical solution provided by the invention is：
Material combinations testing sifter, including the multistage screen analysis device that is from top to bottom arranged, every grade of screen analysis device set row including bottom
Expect the sieve bucket of valve and the standard screen being located in the sieve bucket, the sieve bucket and standard screen in screen analysis devices at different levels are respectively by oscillation crosswise
Frame and extensional vibration frame are connected, and the transverse-vibration moving frame and extensional vibration frame are fixed on rack by elastic device respectively
On, it is separately installed with extensional vibration motor and oscillation crosswise motor, most next stage in the extensional vibration frame and transverse-vibration moving frame
Splicing groove is equipped with below the sieve bucket of screen analysis device.
Sieve in the sieve bucket at different levels uses identical or different mesh.
The elastic device is damper.
Advantageous effect
If material powders accurately and accurately can be divided into dry granular group by the present invention by its granular size, it is convenient for each grain group of accurate weighing
Relative amount and at being grouped as, analyze material properties.For this method by the way of wet screening, screening precision is high, breaches tradition
The technology limitation of -75 μm of vibrating sieving machine screening lower limits, revolutionize -75 μm of grade screen analysis traditional technologies can only manual wet screening office
Face can dramatically increase material screening efficiency, shorten test period and Design of beneficiation process period, save labour turnover, entire to sieve
Divide process water amount small, saves water and energy.
Below in conjunction with attached drawing, the present invention is described in detail.
Description of the drawings
Fig. 1 is existing automatic screen analysis method schematic diagram.
Fig. 2 is existing manual screen analysis method schematic diagram.
The structural schematic diagram of Fig. 3 present invention.
Fig. 4 is the vertical view of Fig. 1.
Fig. 5 is the working state schematic representation of the present invention.
Specific implementation mode
Material combinations testing sifter provided by the invention, as shown in Figure 3, Figure 4, mainly by rack 1, extensional vibration frame 2, transverse direction
The part such as vibrating grid 3, sieve bucket 4, standard screen 5, extensional vibration motor 6, oscillation crosswise motor 7, splicing groove 8, damper 9 forms；
Including the multistage screen analysis device being from top to bottom arranged, every grade of screen analysis device is including sieve bucket 4 and the standard being located in the sieve bucket 4
Sieve 5, the bottom of sieve bucket 4 are equipped with the discharge gate 10 with blow-off valve 11, the sieve bucket 4 and standard screen 5 in screen analysis devices at different levels respectively by
Transverse-vibration moving frame 3 and extensional vibration frame 2 are connected, and transverse-vibration moving frame 3 and extensional vibration frame 2 are fixed by damper 9 respectively
In rack 1, it is separately installed with extensional vibration motor 6, oscillation crosswise motor 7 on extensional vibration frame 2 and transverse-vibration moving frame 3, connects
Hopper 8 is located at 4 lower section of sieve bucket of most next stage screen analysis device.
Rack 1 is made of the welding of the proximate matters such as channel steel or angle steel, for fixed and support equipment；Extensional vibration frame 2 is by round steel
It is welded, is used to support, the vibration of fixed standard sieve 5 and transmission extensional vibration motor 6；Transverse-vibration moving frame 3 is welded by round steel
It forms, is used to support, fixes mark sieve bucket 4 and transmits the vibration of oscillation crosswise motor 7；Extensional vibration frame 2 and transverse-vibration moving frame 3
Vibration is mutual indepedent, does not interfere with each other；Sieve bucket four is made of stalloy welding, for holding water or other screen analysis media；Marks at different levels
Quasi- sieve 5 can need the various specifications standard rotary strainer such as 200 mesh of flexible topology, 325 mesh, 400 mesh, 500 mesh according to screen analysis；Extensional vibration
The amplitude of motor 6 and oscillation crosswise motor 7, frequency can be according to the particle sizes flexible modulations of screen analysis material；Splicing groove 8 is by Baogang
Piece is welded, for holding screen analysis after contain most thin level-one material suspension；Damper 9 can use the elastomeric elements such as spring
It is made, provides damping force and degree of freedom required when extensional vibration frame 2 and the vibration of transverse-vibration moving frame 3, the damping force of damper 9 can
According to the property flexible modulation of screen analysis material.
Use process：
1. will wait for that screen analysis material a is placed in the standard screen 5 of the first order screen analysis device of this equipment top layer, pass hull closure is at different levels
The valve 11 of sieve bucket 4 in screen analysis device adds water b to the material that do not cross in standard screen 5 in the sieve bucket 4 of first order screen analysis device.
After equipment is started, extensional vibration frame 2 drives standard screen 5 to do extensional vibration under the action of extensional vibration motor 6；Transverse-vibration moving frame
3 drive sieve bucket 4 to do oscillation crosswise under the action of oscillation crosswise motor 7.Reciprocating motions and sieve of the material to be sieved a in standard screen 5
In bucket 4 under the agitaion of water, particle fully scatters, and the sieve that relatively fine particle gradually passes through standard screen 5 enters in sieve bucket 4,
It is stayed on 5 compass screen surface of standard screen compared with coarse granule.
2. opening the valve 11 of sieve bucket 4 in top layer's first order screen analysis device, the mine containing relatively fine particle after a certain period of time
Slurry is exited into from the discharge gate 10 of the most sieve bucket 4 in the standard screen 5 in next stage screen analysis device sieve bucket 4, repeats previous step mistake
The more fine-graded screenings of Cheng Jinhang.
3. each layer of compass screen surface can be used appropriate clear water to rinse, to ensure that the screening completely of each layer material is clean.
4. after the completion of waiting for screenings at different levels, pass hull closure takes out the standard screen 5 in screen analysis devices at different levels, stays in each standard screen
Particle on 5 compass screen surfaces is each grade particle a ' sieved, and the suspension c in equipment bottom splicing groove 8 is most thin level-one
Particle, as shown in figure 5, being achieved in multi-stage screening function.
When material to be sieved contains hydrophilic, hydrophobic granule simultaneously, standard screen 5 can be under the action of reciprocator in sieve bucket 4
Large range of up and down motion is done, achievees the purpose that hydrophilic, hydrophobic granule detaches with this.
Application example：
By certain the African material of iron ore ore grinding after ten minutes of this equipment screen analysis, screen analysis effect is wanted to compare with vibrating sieving machine, as a result
As shown in the table：
With the accuracy of present device screen analysis material in -75 μm of grades it can be seen from table（200 mesh）Accuracy it is apparent
Higher than traditional vibrating sieving machine.
Claims (3)
1. a kind of material combinations testing sifter, it is characterized in that：Including the multistage screen analysis device being from top to bottom arranged, every grade of screen analysis device
Include that bottom sets the sieve bucket of blow-off valve and the standard screen being located in the sieve bucket, the sieve bucket in screen analysis devices at different levels and standard screen
It is connected respectively by transverse-vibration moving frame and extensional vibration frame, the transverse-vibration moving frame and extensional vibration frame are filled by elasticity respectively
It sets and is fixed on the rack, extensional vibration motor and oscillation crosswise electricity are separately installed on the extensional vibration frame and transverse-vibration moving frame
The sieve bucket lower section of machine, most next stage screen analysis device is equipped with splicing groove.
2. material combinations testing sifter according to claim 1, it is characterized in that：Sieve in the sieve bucket at different levels is using identical
Or different mesh.
3. material combinations testing sifter according to claim 1 or 2, it is characterized in that：The elastic device is damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810428321.XA CN108499853A (en) | 2018-05-07 | 2018-05-07 | A kind of material combinations testing sifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810428321.XA CN108499853A (en) | 2018-05-07 | 2018-05-07 | A kind of material combinations testing sifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108499853A true CN108499853A (en) | 2018-09-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810428321.XA Pending CN108499853A (en) | 2018-05-07 | 2018-05-07 | A kind of material combinations testing sifter |
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| CN (1) | CN108499853A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109604136A (en) * | 2018-11-27 | 2019-04-12 | 湖南图强科技开发有限公司 | A kind of crops multipass sort device |
| CN112371481A (en) * | 2020-11-20 | 2021-02-19 | 中矿金业股份有限公司 | Efficient screening device and screening method for fine materials |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070007525A (en) * | 2005-07-11 | 2007-01-16 | 한국건설기술연구원 | Test method for particle size distribution of soils using automatic sieve analysis apparatus with water |
| CN203018308U (en) * | 2012-11-14 | 2013-06-26 | 中煤科工集团武汉设计研究院 | Spring type vibration wet sieving test unit |
| CN203778181U (en) * | 2014-01-15 | 2014-08-20 | 大冶有色金属有限责任公司 | Wet type mineral dressing test vibrating screen |
| CN204912050U (en) * | 2015-08-23 | 2015-12-30 | 长春黄金研究院 | It is experimental with small -size automatic wet -type shale shaker |
| CN206911705U (en) * | 2017-05-31 | 2018-01-23 | 武汉科技大学 | A kind of New type wet stirring and screening machine |
-
2018
- 2018-05-07 CN CN201810428321.XA patent/CN108499853A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070007525A (en) * | 2005-07-11 | 2007-01-16 | 한국건설기술연구원 | Test method for particle size distribution of soils using automatic sieve analysis apparatus with water |
| CN203018308U (en) * | 2012-11-14 | 2013-06-26 | 中煤科工集团武汉设计研究院 | Spring type vibration wet sieving test unit |
| CN203778181U (en) * | 2014-01-15 | 2014-08-20 | 大冶有色金属有限责任公司 | Wet type mineral dressing test vibrating screen |
| CN204912050U (en) * | 2015-08-23 | 2015-12-30 | 长春黄金研究院 | It is experimental with small -size automatic wet -type shale shaker |
| CN206911705U (en) * | 2017-05-31 | 2018-01-23 | 武汉科技大学 | A kind of New type wet stirring and screening machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109604136A (en) * | 2018-11-27 | 2019-04-12 | 湖南图强科技开发有限公司 | A kind of crops multipass sort device |
| CN112371481A (en) * | 2020-11-20 | 2021-02-19 | 中矿金业股份有限公司 | Efficient screening device and screening method for fine materials |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20180907 |