CN203253524U - Wet type sieving instrument - Google Patents
Wet type sieving instrument Download PDFInfo
- Publication number
- CN203253524U CN203253524U CN 201320303837 CN201320303837U CN203253524U CN 203253524 U CN203253524 U CN 203253524U CN 201320303837 CN201320303837 CN 201320303837 CN 201320303837 U CN201320303837 U CN 201320303837U CN 203253524 U CN203253524 U CN 203253524U
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- Prior art keywords
- screen
- wet screening
- instrument according
- screening instrument
- backwater
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- 238000007873 sieving Methods 0.000 title abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000012530 fluid Substances 0.000 claims abstract description 12
- 238000012216 screening Methods 0.000 claims description 41
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 abstract description 6
- 238000001914 filtration Methods 0.000 abstract 2
- 238000012360 testing method Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- 239000003245 coal Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000004503 fine granule Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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Abstract
The utility model provides a wet type sieving instrument. The wet type sieving instrument comprises a standard sieve set, a spray nozzle, a three-way union, a dynamic turbidity meter and a filtering machine, wherein the standard sieve set is used for sieving, the spray nozzle is arranged above the standard sieve set, and is connected with an upper water inlet pipe in a fluid mode, one end of the three-way union is communicated with an outlet in the bottom of the standard sieve set in a fluid mode, the other two ends of the three-way union are communicated with a lower water inlet pipe and a sieving drain pipe in a fluid mode respectively, and the sieving drain pipe is connected with the filtering machine through the dynamic turbidity meter.
Description
Technical field
The application relates to screening plant, relates in particular to the wet screening instrument, for example full-automatic pulp classifier.
Background technology
In material fractional analysis test jobs (for example laboratory or factory), often need to sieve test analysis to fine (such as various raw materials, pottery and the abrasive material etc. in the coal slime in the coal separation, metal in the ore dressing or non-metal powder, the chemical industry), to determine the content distribution of each grade component.A kind of method for sieving is that the service test sieve carries out dry screening.Because the lower easy agglomerate of fine powder (granularity≤200 orders), dry screening is difficulty relatively, so generally fine granule material is adopted wet sieving (namely sieving in water with testing sieve) at present.Traditional wet sieving mostly is handwork, and efficient is low, labor intensity of operating staff is large, and the reliability of test data is subject to the impact of human factor inevitably.
Fine (the screening test of granularity≤0.5mm) generally is divided into two steps: sieve by the wet screening that fine granule material is carried out with minimum sieve hole dimension standard screen and the dry type of rest materials.This kind screening process complex process, length consuming time, large, the experimenter's labour intensity height of water consumption.
In view of this, necessaryly provide a kind of screening plant that can realize full-automatic screening.
The utility model content
One of the purpose of this utility model provides a kind ofly can realize that automaticity is high, water consumption is little, simple to operate, can effectively impel material layering, reduce subparticle at the device or the instrument and equipment that adhere to and one of realize in the fine high efficiency screening on coarse granule surface.
According to an aspect of the present utility model, a kind of wet screening instrument is provided, comprising:
For the standard bushing screen that sieves;
Shower nozzle is arranged on the top of standard bushing screen and is connected with upper water inlet pipe fluid;
Tee pipe coupling, the one end is communicated with standard bushing screen outlet at bottom fluid, and two ends are communicated with lower water inlet pipe and backwater pipe fluid respectively in addition;
Dynamic transmissometer;
Filter, described backwater pipe is connected with filter via dynamic transmissometer.
In one embodiment, be provided with inlet valve between upper water inlet pipe and the shower nozzle, be provided with lower inlet valve between lower water inlet pipe and the tee pipe coupling, be provided with the backwater valve between backwater pipe and the tee pipe coupling.
Particularly, described upper inlet valve, lower inlet valve, backwater valve and dynamic transmissometer are all by Controlled by Programmable Controller.
In addition, described standard bushing screen is arranged on the bracing or strutting arrangement, and described standard bushing screen also is provided with screen cover at its top.
Preferably, described shower nozzle is spherical shower nozzle, and between the uppermost compass screen surface of described screen cover and described standard bushing screen.
Particularly, described standard bushing screen comprises according to the descending a plurality of compass screen surfaces arranged from top to bottom of screen size.
Further, be threaded connection between the described compass screen surface, described compass screen surface bottom inside has external screw thread, and there is internal thread in the outside, described sieve top, and described compass screen surface bottom also is provided with sealing device.
Preferably, be provided with on the vertical lifting pipeline section between described backwater valve and the dynamic transmissometer and detect the hole, so that dynamically transmissometer can detect by this hole.
Particularly, described bracing or strutting arrangement is support, and is provided with arrangement for adjusting height.
Further, described standard bushing screen also comprises the pars infundibularis that is connected with the bottom thread of bottom compass screen surface.
The utility model has been realized following beneficial effect: when the screening test of carrying out fine with this wet screening instrument, not only simple to operate, using water wisely, and can realize accurate screening to fine, provide really and accurately Data support for the associative operation personnel carry out the follow-up experimental implementation relevant with granularity, and reduced operating personnel's labour intensity.
Description of drawings
Referring now to the schematic figures of enclosing, only by way of example, embodiment of the present utility model is described, wherein, corresponding Reference numeral represents corresponding parts in the accompanying drawings.
Fig. 1 is the schematic diagram according to the full-automatic wet screening instrument of the utility model embodiment;
Fig. 2 is the structural representation of a compass screen surface in the standard bushing screen that shows among Fig. 1.
The specific embodiment
Below by embodiment, and 1-2 by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.In specification, same or analogous drawing reference numeral is indicated same or analogous parts.Following explanation to the utility model embodiment is intended to overall utility model design of the present utility model is made an explanation with reference to accompanying drawing, and not should be understood to a kind of restriction of the present utility model.
The below will describe specific embodiment of the utility model in detail.Should be noted that the embodiments described herein only is used for illustrating, be not limited to the utility model.In the following description, in order to provide thorough understanding of the present utility model, a large amount of specific detail have been produced.Yet, it is evident that for those of ordinary skills: needn't adopt these specific detail to carry out the utility model.In other examples, for fear of obscuring the utility model, do not specifically describe known structure, material or method.
In whole specification, " embodiment ", " embodiment ", " example " or mentioning of " example " are meaned: special characteristic, structure or characteristic in conjunction with this embodiment or example description are comprised among at least one embodiment of the utility model.Therefore, phrase " in one embodiment ", " in an embodiment ", " example " or " example " that occurs in each place of whole specification differs to establish a capital and refers to same embodiment or example.In addition, can with any suitable combination and/or sub-portfolio with specific feature, structure or property combination in one or more embodiment or example.In addition, it should be understood by one skilled in the art that term used herein " and/or " comprise any and all combinations of one or more relevant projects of listing.
As shown in Figure 1, the full-automatic wet screening instrument according to the utility model embodiment generally includes be used to the standard bushing screen 4 that sieves; Shower nozzle 3 is arranged on the top of standard bushing screen 4 and is connected with upper water inlet pipe 20 fluids; Tee pipe coupling 30, the one end is communicated with the outlet of standard bushing screen 4 bottom flow, and two ends are communicated with lower water inlet pipe 60 and backwater pipe 70 fluids respectively in addition; Dynamic transmissometer (not shown); Filter 10, described backwater pipe 70 is connected with filter 10 via dynamic transmissometer.
As shown in Figure 2, described standard bushing screen 4 is screw-button tight standards bushing screen, and mutual to being threaded of matching between wherein each compass screen surface.Particularly, standard bushing screen 4 comprises according to the descending a plurality of compass screen surfaces arranged from top to bottom of screen size.As shown in the figure, the standard bushing screen 4 of present embodiment comprises 5 compass screen surfaces, and described each compass screen surface in the vertical direction tool has the dimensions, so can form the cavity of sealing when they link together.Be appreciated that those skilled in the art can arrange the quantity of compass screen surface as required, for example 1,2,3 or more compass screen surface.In the present embodiment, be threaded connection between described two adjacent compass screen surfaces 41.Be that the bottom of described compass screen surface 41 and the top of compass screen surface 41 all are provided with screw thread, and the screw thread of being arranged to the bottom of the top of compass screen surface 41 and another compass screen surface 41 is arranged to cooperatively interact, and is fixed together.That is to say that for example the bottom inside of each compass screen surface 41 is provided with external screw thread or works in the mode that is similar to nut for nut type 42(), described sieve top outer is provided with internal thread or bolt shape 43(works in the mode that is similar to bolt).In order to link together hermetically, the bottom of described each compass screen surface 41 also is provided with rubber seal or sealing device 44, namely is positioned near the location of compass screen surface bottom external screw thread.
Flow out from standard bushing screen 4 for the ease of fluid, described standard bushing screen 4 also comprises the pars infundibularis 45 that is connected with the bottom thread of bottom compass screen surface 41.The outlet at bottom of described pars infundibularis 45 is connected with tee pipe coupling 30.
Described standard bushing screen 4 links together with the bracing or strutting arrangement that matches (for example support) 5 by the mode of mechanical connection.Described bracing or strutting arrangement 5 also is provided with the arrangement for adjusting height (not shown), so that the height of adjustment criteria bushing screen 4.
Usually, also be provided with screen cover 1 at the top of standard bushing screen 4.Described shower nozzle 3 is spherical shower nozzle, and between the uppermost compass screen surface 41 of screen cover 1 and standard bushing screen 4.Be appreciated that described shower nozzle 3 can be arranged to any form, for example square or rectangle.
Be provided with inlet valve 2 between upper water inlet pipe 20 and the shower nozzle 3, be provided with lower inlet valve 6 between lower water inlet pipe 60 and the tee pipe coupling 30, be provided with backwater valve 7 between backwater pipe 70 and the tee pipe coupling 30.Transmissometer is provided with on the vertical lifting pipeline section between described backwater valve 7 and the dynamic transmissometer and detects hole 8, so that dynamically can detect by this hole.
In the present embodiment, described upper inlet valve 2, lower inlet valve 6, backwater valve 7 are electrically operated valve.They are all controlled by Programmable Logic Controller or PLC controller 11 with dynamic transmissometer.Described three electrically operated valves all are connected by wired or wireless mode with PLC controller 11 with the data-out port of dynamic transmissometer, in order to communicate.
Operation principle and the course of work of described full-automatic wet screening instrument are as follows:
At first, close inlet valve 2 and lower inlet valve 6, open backwater valve 7, the on demand descending arrangement from top to bottom of screen size of standard bushing screen is connected.Claiming standard to pour in the beaker to the 200g air-dried basis coal sample of 0.1g, add a small amount of clear water, fully stir with glass bar and make the coal sample complete wetting, then pour in the top layer compass screen surface.Wash the coal grain of institute's adhesion on clean beaker and the glass bar with clear water, screw screen cover 1, the position of adjusting pole 5 and height make pulp classifier backwater outlet 9 be connected with filtrator or filter plant 10.
Start the wet screening instrument, begin the screening test.The wet screening instrument will start first upper water spray, namely spray water with spherical shower nozzle 3.The intensity of spraying water this moment is less, mainly utilizes downward current drag force and particle gravity to realize preliminary screening.After preliminary screening finished, the wet screening instrument cut out inlet valve 2 and backwater valve 7 voluntarily, and opens lower inlet valve 6.At this moment, utilize the rising fluctuating flow to realize the layering of material in each compass screen surface.After water is full of whole screening space (cavity that is formed by each compass screen surface 41 that interconnects), close lower inlet valve 6.Afterwards, open inlet valve 2 and backwater valve 7, again utilize downward current drag force and particle gravity to sieve, inlet valve 2 will be controlled the water spray intensity of ball nozzle 3 on this moment, realize that the cyclic fluctuation of water spray intensity changes, strengthen turbulence level, improve the coarse granule cleaning performance, the minimizing particulate adheres to the coarse granule surface, and improves the brill crack motion of particle, improve fine and thoroughly sieve probability, guarantee screening precision.The lower water of the standard compass screen surface 41 of minimum sieve hole dimension will be by peephole 8 by the transmissometer on-line testing, and by PLC controller 11 monitoring and record data.Repeat the above-mentioned steps several times, the automatic wet-type pulp classifier will determine automatically whether thoroughly screening (is after the backwater turbidity meets the demands, finishes screening process).After test is finished, cut off the electricity supply, the oversize of each standard screen compass screen surface 41 and screenings are taken out respectively with filter cake together dry rear weighing and record the result.
The utility model is applied to the pulse water flow of vertical direction in the screening tester of fine first, not only simple to operate, using water wisely, and can realize fine (the accurate screening of granularity≤0.5mm), provide really and accurately Data support for operating personnel carry out the follow-up operation relevant with granularity, and reduced to a great extent operating personnel's labour intensity.
Although some embodiment of this overall utility model design are shown and explanation, those skilled in the art will appreciate that, in the situation of the principle that does not deviate from this overall utility model design and spirit, can make a change these embodiment, scope of the present utility model limits with claim and their equivalent.
Claims (10)
1. a wet screening instrument is characterized in that, comprising:
For the standard bushing screen that sieves;
Shower nozzle is arranged on the top of standard bushing screen and is connected with upper water inlet pipe fluid;
Tee pipe coupling, the one end is communicated with standard bushing screen outlet at bottom fluid, and two ends are communicated with lower water inlet pipe and backwater pipe fluid respectively in addition;
Dynamic transmissometer;
Filter, described backwater pipe is connected with filter via dynamic transmissometer.
2. wet screening instrument according to claim 1, it is characterized in that: be provided with inlet valve between upper water inlet pipe and the shower nozzle, be provided with lower inlet valve between lower water inlet pipe and the tee pipe coupling, be provided with the backwater valve between backwater pipe and the tee pipe coupling.
3. wet screening instrument according to claim 2 is characterized in that: described upper inlet valve, lower inlet valve, backwater valve and dynamically transmissometer all by Controlled by Programmable Controller.
4. wet screening instrument according to claim 1, it is characterized in that: described standard bushing screen is arranged on the bracing or strutting arrangement, and described standard bushing screen also is provided with screen cover at its top.
5. wet screening instrument according to claim 4, it is characterized in that: described shower nozzle is spherical shower nozzle, and between the uppermost compass screen surface of described screen cover and described standard bushing screen.
6. each described wet screening instrument according to claim 1-5 is characterized in that: described standard bushing screen comprises according to the descending a plurality of compass screen surfaces arranged from top to bottom of screen size.
7. wet screening instrument according to claim 6, it is characterized in that: be threaded connection between the described compass screen surface, described compass screen surface bottom inside has external screw thread, and there is internal thread in the outside, described sieve top, and described compass screen surface bottom also is provided with sealing device.
8. wet screening instrument according to claim 3 is characterized in that: be provided with on the vertical lifting pipeline section between described backwater valve and the dynamic transmissometer and detect the hole, so that dynamically transmissometer can detect by this hole.
9. wet screening instrument according to claim 4, it is characterized in that: described bracing or strutting arrangement is support, and is provided with arrangement for adjusting height.
10. wet screening instrument according to claim 1, it is characterized in that: described standard bushing screen also comprises the pars infundibularis that is connected with the bottom thread of bottom compass screen surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320303837 CN203253524U (en) | 2013-05-30 | 2013-05-30 | Wet type sieving instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320303837 CN203253524U (en) | 2013-05-30 | 2013-05-30 | Wet type sieving instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203253524U true CN203253524U (en) | 2013-10-30 |
Family
ID=49466133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320303837 Expired - Fee Related CN203253524U (en) | 2013-05-30 | 2013-05-30 | Wet type sieving instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203253524U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103240170A (en) * | 2013-05-30 | 2013-08-14 | 中国矿业大学(北京) | Wet classifier |
| CN106153508A (en) * | 2016-06-23 | 2016-11-23 | 吴江市建设工程质量检测中心有限公司 | Water sieve method sieve test instrument and test method |
| CN108152474A (en) * | 2017-12-18 | 2018-06-12 | 山东大学 | Powder collection and part flow arrangement and method in the experiment of filling medium seepage failure |
-
2013
- 2013-05-30 CN CN 201320303837 patent/CN203253524U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103240170A (en) * | 2013-05-30 | 2013-08-14 | 中国矿业大学(北京) | Wet classifier |
| CN106153508A (en) * | 2016-06-23 | 2016-11-23 | 吴江市建设工程质量检测中心有限公司 | Water sieve method sieve test instrument and test method |
| CN108152474A (en) * | 2017-12-18 | 2018-06-12 | 山东大学 | Powder collection and part flow arrangement and method in the experiment of filling medium seepage failure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: FINLAY COAL DRESSING ENGINEERING TECHNOLOGY (BEIJI Free format text: FORMER OWNER: CHINA MINING UNIV. (BEIJING) Effective date: 20140331 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100083 HAIDIAN, BEIJING TO: 100004 CHAOYANG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140331 Address after: 100004 Beijing city Chaoyang District Wai Street, No. 19 International Building, room 28-1 Patentee after: Finlay Coal Dressing Engineering Technology (Beijing) Co., Ltd. Address before: 100083 Beijing City, Haidian District Institute of Rutosids China University of Mining and Technology No. 11 (Beijing) Patentee before: China University of Mining & Technology, Beijing |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180612 Address after: 100083 China University of Mining and Technology, Beijing, Haidian District 11 Patentee after: China University of Mining & Technology, Beijing Address before: 100004 room 28-1, International Building, 19 Jian Wai Street, Chaoyang District, Beijing. Patentee before: Finlay Coal Dressing Engineering Technology (Beijing) 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: 20131030 Termination date: 20200530 |