CN207287732U - A kind of stock grading recovery system of Soil leaching - Google Patents

A kind of stock grading recovery system of Soil leaching Download PDF

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Publication number
CN207287732U
CN207287732U CN201720402679.6U CN201720402679U CN207287732U CN 207287732 U CN207287732 U CN 207287732U CN 201720402679 U CN201720402679 U CN 201720402679U CN 207287732 U CN207287732 U CN 207287732U
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screen
double
pellets
mud
level
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Inventor
崔双超
李书鹏
杨乐巍
顾群
刘鹏
丁浩然
田德金
张晓斌
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BCEG ENVIRONMENTAL REMEDIATION Co Ltd
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BCEG ENVIRONMENTAL REMEDIATION Co Ltd
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Abstract

The utility model discloses a kind of stock grading recovery system of Soil leaching, belongs to technical field of soil remediation.The utility model is equipped with the double-deck grading oscillating screen being made of vibrating motor, Double-layer screen and high-pressure spraying system three parts, light materials sieve is additionally provided with, for screening out the light materials in washing water;The top of the Double-layer screen sets high-pressure spraying system, realizes that contaminated soil is wet sieving and elutes by the cutting of high-pressure spraying system waterpower and vibrating motor mechanical oscillation, to ensure the cleaning of discharging and recuperability.The utility model, which sets light materials to sieve, can screen out light materials in contaminated soil so as to ensure the spatter property of elution discharging and mud pit level.

Description

A kind of stock grading recovery system of Soil leaching
Technical field
The utility model belongs to soil restoring technology, is related to and repairs skill for the higher contaminated soil elution of coarse granule content Art.
Background technology
The reparation theory of characterization of adsorption and minimizing of the Soil leaching recovery technique based on pollutant, is increasingly subject to soil The concern of industry is repaired, which utilize water or other eluents, light/heavy by effect, the separation contaminated soil such as chelating, precipitating Pollutant in soil is transferred to liquid phase by component, then to technology that the leacheate containing pollutant is handled.Soil leaching Recovery technique is divided into situ elution recovery technique and dystopy Soil leaching recovery technique by disposal options, Canada, the U.S. and Japan and other countries have more application case, and elution technique in situ is ripe by place hydrogeologic condition, technical merit because of it Degree and the limitation of the condition such as engineering construction difficulty, the controllability and the maturity of technology that dystopy elution technique operate by it are more answered For engineering project.
Dystopy Soil leaching has at home and abroad carried out some lab scales, pilot scale and engineering application, therefore exists related Patent report, for this reason, Chinese patent literature CN 104475441A disclose a kind of soil leaching based on decrement concentration design concept Repair system and its method are washed, system stock grading recycling uses vibrating screen to recycle minimum grain size as 1mm, and it is inadequate to there is classification The problem of finely rate of recovery is not high.
104014583 A of Chinese patent literature CN disclose a kind of dense based on heavy-metal contaminated soil elution and heavy metal Contracting method and its equipment, the system gradation footpath using hydrocyclone become more meticulous recycling particle diameter reach 1 μm, but the system thing Material recovery system does not account for light materials that may be present in washing water, when light materials are more in contaminated soil, can cause to drench Wash out the problems such as expecting unclean and sieve line clogging.
Utility model content
Therefore, the technical problems to be solved in the utility model is in overcoming, do not account in the prior art may in washing water Existing light materials, when light materials are more in contaminated soil, can cause unclean and sieve line clogging of elution discharging etc. to be asked Topic, and then a kind of stock grading recovery system of Soil leaching is provided.
For this reason, the utility model provides following technical solution:
The stock grading recovery system of a kind of Soil leaching, equipped with by vibrating motor, Double-layer screen and high-pressure spraying system The double-deck screen shale shaker of three parts composition, is additionally provided with light materials sieve, for screening out the light materials in washing water;The Double-layer screen Top sets high-pressure spraying system, realizes that contaminated soil is wet by the cutting of high-pressure spraying system waterpower and vibrating motor mechanical oscillation Method is sieved and elution, to ensure the spatter property of discharging and recuperability.
The water spray of the high-pressure spraying system nozzle is 2m3/h;The pressure of nozzle is 0.3Mpa;
The system is equipped with two sets of double-deck grading oscillating screens, is respectively bilayer grading oscillating screen I and double-deck grading oscillating screen II。
The bilayer grading oscillating screen I is made of vibrating motor I, Double-layer screen I and spray system I three parts, double deck screen It is respectively 25mm and 5mm to net the top-down apertures of I.
The bilayer grading oscillating screen II is made of vibrating motor II, Double-layer screen II and spray system II three parts, double The top-down apertures of layer sieve II are respectively 2mm and 1mm.
Further include and which is provided with the double-shaft spiral stone scrubber that high pressure washes away elution water nozzle, shake for cleaning the double-deck classification The dynamic 5-25mm pellets for sieving I and screening out simultaneously are delivered to belt conveyor II.
The Soil leaching stock grading recovery system includes in order:
The double-deck grading oscillating screen I above mud pit I, for the discharging through pulping module to be screened out> 25mm, 5-25mm and<Tri- kinds of pellets of 5mm;Wherein>25mm pellets discharge to>25mm pellets working area, 5-25mm pellets enter double The spiral stone scrubber of axis, < 5mm mud enter mud pit I;
Double-shaft spiral stone scrubber;
The belt conveyor II is located at the lower section of the upper end discharge end of the double-shaft spiral stone scrubber, the Belt Conveying Machine II discharge ends are equipped with low level electric magnetic iron remover and are used to remove removal of impurities iron;
Light materials sieve, and are located at the lower section of the double-shaft spiral stone scrubber;
Mud pit II is arranged on the lower section of light materials sieve, after the mud for screening out light materials through light materials for reception again Mud pit I is squeezed into by slush pump;
Double-deck grading oscillating screen II, for rinsing the mud conveyed out of mud pit I by slush pump, and screens out 2- Two kinds of pellets of 5mm and 1-2mm, the bilayer grading oscillating screen II have the mud of the pellet for the < 1mm under receiving screen Pond III;
Level-one hydrocyclone, for the mud conveyed by slush pump out of mud pit III to be isolated 0.2-1mm With two kinds of pellets of < 0.2mm, wherein < 0.2mm pellets enter two level hydrocyclone, and 0.2-1mm pellets fall into dewatering screen I;
Dewatering screen I below the level-one hydrocyclone, for what the level-one hydrocyclone discharged The mud of 0.2-1mm isolates the pellet of 0.2-1mm and < 0.2mm, and the pellet of wherein < 0.2mm enters reflux mud pit I Afterwards the level-one hydrocyclone, 0.2-1mm particle diameters pellet discharging separation to 0.2-1mm are squeezed into through slush pump IV and V circulation again Pellet working area;
Two level hydrocyclone, the pellet of the < 0.2mm for level-one hydrocyclone to be inputted isolate 0.2- Two kinds of pellets of 0.075mm and < 0.075mm, wherein < 0.075mm pellets to water process and sludge dewatering system subsequent treatment, 0.2-0.075mm pellets fall into dewatering screen II;
And the dewatering screen II below the two level hydrocyclone, for the level-one hydrocyclone to be discharged The mud of 0.075-0.2mm isolate two kinds of pellets of 0.075-0.2mm and < 0.075mm, wherein the pellet of < 0.075mm into Enter to flow back and squeeze into the level-one hydrocyclone, the discharging of 0.075-0.2mm particle diameters pellet through mud pump circulation again after mud pit II Separation;
Further include and kept in positioned at the light materials working area of light materials sieve lower section, the miscellaneous iron below low level electric magnetic iron remover Area II, the 5-25mm pellets working area below the belt conveyor II and>25mm pellets working area and positioned at described 1-2mm pellets working area and 2-5mm pellets working area, the 0.2- below dewatering screen I below double-deck grading oscillating screen II 1mm pellets working area and the 0.075mm-0.2mm pellets working area below dewatering screen II.
The level-one hydrocyclone and the two level hydrocyclone are the centrifugal force field separation produced using rotation Two-phase fluid efficiently separates equipment.
The dewatering screen I screen-apertures are 0.2mm, and the dewatering screen II screen-apertures are 0.075mm.The dewatering screen I One piece of 0.3mm dehydration sieve plate and one piece of 0.2mm dehydration sieve plate are set respectively with dewatering screen II front ends, avoid because recovered material compared with It is thin to block sieve.
The Soil leaching repair system of stock grading recovery system comprising above-mentioned Soil leaching.
The Soil leaching repair system or method of the utility model are eluted coarse granule (comprising gravel, coarse sand by clear water And fine sand etc.) pollutant on surface elutes, shifts, being concentrated into fine grained soil, containing fine grain mud through be dehydrated press filtration into Mud cake concentrates subsequent treatment, and eluting clean coarse granule can directly recycling recycle without repairing again.
Technical solutions of the utility model, have the following advantages that:
1st, the stock grading recovery system of Soil leaching provided by the utility model is sieved step by step using two level double-deck screen shale shaker Divide elution different-grain diameter contaminated soil, hierarchical classification, ensures the spatter property of elution discharging, avoid sieve and block.
2nd, the stock grading recovery system of Soil leaching provided by the utility model uses double-shaft spiral stone scrubber to recycling Material is cleaned, and double-shaft spiral stone scrubber is using twin shaft wiping board to scouring, scouring efficiency is higher, ensures elution recovered material Spatter property.
3rd, the stock grading recovery system of Soil leaching provided by the utility model in double-shaft spiral stone scrubber by dividing into Put light materials and screen out light materials in washing water, ensure that elution discharging cleaning and prevent line clogging.
4th, dewatering screen I and dewatering screen the II front end of the stock grading recovery system of Soil leaching provided by the utility model point Not She Zhi one piece of 0.3mm be dehydrated sieve plate and one piece of 0.2mm dehydration sieve plate, avoid because recovered material more carefully blocks sieve.
5th, the hydrocyclone of the stock grading recovery system of Soil leaching provided by the utility model sets reflux pump pond, really The coarse grained classification recycling of elution material is protected, ensures minimizing degree.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical solution of the prior art Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, describe below In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the utility model Soil leaching stock grading recovery system schematic diagram;
Attached drawing sign is as follows:
1- bilayer grading oscillating screen I, 2- mud pit I, 3- slush pump I, 4- spray system I, 5- double-shaft spiral stone scrubbers, 6- Spray system II, 7- light materials sieve, 8- slush pumps II, 9- mud pit II, 10- light materials working area, 11- belt conveyors, 12- Low level electric magnetic iron remover, the miscellaneous iron working areas of 13-, 14-5-25mm pellets working area, 15- > 25mm pellets working area, 16- are double-deck Grading oscillating screen II, 17- spray system III, 18 slush pump III, 19- mud pit III, 20-1-2mm pellet working areas, 21-2- 5mm pellets working area, 22- slush pumps IV, 23- slush pump V, 24- level-one hydrocyclone, 25- dewatering screens I, 26- reflux mud Pond I, 27-0.2-1mm pellet working area, 28- dewatering screens II, 29- two level hydrocyclone, 30-0.075-0.2mm pellets are kept in Area, 31- reflux mud pit II, 32- slush pump VI, 33- slush pump VII,
Wherein:For mud/recovered material passage,For aquaporin.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality Novel protected scope.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other Not forming conflict can be combined with each other.
Explanation:I, II, III, IV, V, VI, VII ... in the utility model, do not represent sequencing, also do not represent weight The property wanted order, it is only for distinguish explanation with the different equipment of the identical unifunctional value of functional character.
Embodiment 1.
The present embodiment provides the stock grading recovery system of Soil leaching, as shown in Figure 1, the material of the Soil leaching point Level recovery system sieves elution different-grain diameter contaminated soil step by step using two level double-deck screen shale shaker, and hierarchical classification, ensures to elute The spatter property of material, avoids sieve blocking.Light materials sieve is additionally provided with, for screening out the light materials in washing water;
The Soil leaching stock grading recovery system is equipped with two sets of double-deck grading oscillating screens, is respectively double-deck classification vibration Sieve I 1 and double-deck grading oscillating screen II 16;
The bilayer grading oscillating screen I 1 is made of vibrating motor I, Double-layer screen I and spray system I three parts, double-deck The top-down apertures of sieve I are respectively 25mm and 5mm;
The bilayer grading oscillating screen II 16 is made of vibrating motor II, Double-layer screen II and spray system II three parts, The top-down apertures of Double-layer screen II are respectively 2mm and 1mm.
The water spray of the nozzle of the high-pressure spraying system is 2m3/h;The pressure of nozzle is 0.3Mpa;
Also comprising the double-shaft spiral stone scrubber 5 which is provided with spray system III, for cleaning the double-deck grading oscillating screen 5-25mm pellets that I 1 is screened out simultaneously are delivered to belt conveyor II 11.
The Soil leaching stock grading recovery system includes in order:
The double-deck grading oscillating screen I 1 above mud pit I, screens out>25mm, 5-25mm and<Three kinds of 5mm Pellet;Wherein>25mm pellets discharge to>25mm pellets working area, 5-25mm pellets enter double-shaft spiral stone scrubber 5, < 5mm mud Slurry enters mud pit I 2;
Double-shaft spiral stone scrubber 5;
The belt conveyor 11 is located at the lower section of the top discharge end of the double-shaft spiral stone scrubber, the Belt Conveying 11 discharge end of machine is equipped with low level electric magnetic iron remover 12 and is used to remove removal of impurities iron;
Light materials sieve 7, the lower section for being located at the double-shaft spiral stone scrubber 5 are sieved for screening out the double-shaft spiral stone scrubber 5 Light materials in lower washing water;
Mud pit II 9 is arranged on the lower section of light materials sieve, after receiving the mud for screening out light materials through light materials Mud pit I 2 is squeezed into by slush pump II again;
Double-deck grading oscillating screen II 16, for rinsing the mud conveyed out of mud pit I by slush pump I, and screens out The pellet of 2-5mm, 1-2mm, the bilayer grading oscillating screen II 16 have the mud of the pellet for the < 1mm under receiving screen Stock tank III 19;
Level-one hydrocyclone 24, for the mud conveyed by slush pump III out of mud pit III 19 to be separated Go out 0.2-1mm, the pellet of < 0.2mm, wherein < 0.2mm pellets enter two level hydrocyclone 29, and 0.2-1mm pellets fall into de- Water sieve I 25;
Dewatering screen I 25 positioned at the lower section of level-one hydrocyclone 24, for the level-one hydrocyclone 24 to be gone out The mud of the 0.2-1mm of material isolates the pellet of 0.2-1mm and < 0.2mm, and the pellet of wherein < 0.2mm enters reflux mud After the I of pond the level-one hydrocyclone 29, the discharging separation of 0.2-1mm particle diameters pellet are squeezed into through slush pump IV and V circulation again;
Two level hydrocyclone 29, the pellet of the < 0.2mm for level-one hydrocyclone 24 to be inputted isolate 0.2- Two kinds of pellets of 0.075mm and < 0.075mm, wherein < 0.075mm pellets enter follow-up water process and dewatering process, 0.2- 0.075mm pellets fall into dewatering screen II 28;
Dewatering screen II 28 positioned at the lower section of the two level hydrocyclone 29, for by the two level hydrocyclone 97 The pellet of the < 0.2mm of discharging isolates the pellet of two kinds of particle diameters of 0.2-0.075mm and < 0.075mm, wherein < The pellet of 0.075mm enters after reflux mud pit II 31 squeezes into the two level hydrocyclone through slush pump VI and VII circulation again 27,<The discharging separation of 0.075mm particle diameters pellet;
Further include positioned at the light materials working area 10 of 7 lower section of light materials sieve, positioned at the miscellaneous of the lower section of low level electric magnetic iron remover 12 Iron working area 13,14 and of 5-25mm pellets working area positioned at the lower section of belt conveyor 11>25mm pellets working area 15, with And positioned at the 1-2mm pellets working area 20 of the double-deck lower sections of grading oscillating screen II 16 and 2-5mm pellets working area 21, be located at The 0.2-1mm pellets working area 27 of the lower sections of dewatering screen I 25 and the 0.075mm-0.2mm grains positioned at the lower sections of dewatering screen II 28 Expect working area 30.
The level-one hydrocyclone 24 and the two level hydrocyclone 29 are the centrifugal force fields produced using rotation Separation two-phase fluid efficiently separates equipment.
25 screen-apertures of dewatering screen I are 0.2mm, and 28 screen-apertures of dewatering screen II are 0.075mm, dewatering screen I and dewatering screen II front ends set one piece of 0.3mm dehydration sieve plate and one piece of 0.2mm dehydration sieve plate respectively, avoid because of recovered material Relatively carefully block sieve.
The soil of the stock grading recovery system of the Soil leaching according to claim is also claimed in the utility model Earth elutes repair system.
Embodiment 2.
The occupation mode of the stock grading recovery system of the Soil leaching of the utility model is as follows:
Elution contaminated soil initially enters double-deck grading oscillating screen I after pulping, isolates>25mm pellets, 5-25mm Material and<5mm mud, spray system I is installed on double-deck grading oscillating screen I sieves, ensures that elution discharging cleaning is up to standard,>25mm pellets Directly discharge from double-deck grading oscillating screen I, 5-25mm pellets are delivered to the cleaning of double-shaft spiral sand washer, double-shaft spiral sand washer Upper installation spray system II, 5-25mm pellet after the friction cleaning of double-shaft spiral stone scrubber by being transported to belt conveyor, belt Discharging to 5-25mm pellets working area, goes removal of impurities iron to collect to miscellaneous after low level electric magnetic iron remover removes removal of impurities iron before conveyer discharging Iron keeps in place, and slurry transportation sets light materials sieve on mud pit II, screens out light materials and fall to mud pit II in double-shaft spiral stone scrubber Enter light materials working area.Mud is squeezed into mud pit I with slush pump II in mud pit II, in mud pit I<5mm mud mud Pump I squeezes into double-deck grading oscillating screen II, and spray system III is installed on double-deck grading oscillating screen II, ensures that elution discharging cleaning reaches Mark, screens out the Polluted Soil of two kinds of particle diameters of 2-5mm and 1-2mm.<1mm slurry collectings are to mud pit III, the mud in mud pit III Slurry is delivered to level-one hydrocyclone with slush pump III, level-one hydrocyclone isolate 0.2-1mm and<Two kinds of particle diameters of 0.2mm Mud, wherein<0.2mm slurry transportations are to two level hydrocyclone, and 0.2-1mm mud is through dewatering screen I, the discharging of 0.2-1mm pellets To 0.2-1mm pellets working area, sieve lower mud and be introduced into reflux mud pit I, then level-one waterpower is recycled to by slush pump IV and V Cyclone particle diameter separates again,<0.2mm slurry transportations to two level hydrocyclone,<0.2mm mud is through two level hydrocyclone Isolate 0.2-0.075mm and<Two kinds of particle diameter pellets of 0.075mm, wherein 0.2-0.075mm mud is through dewatering screen II, 0.2- 0.075mm pellets discharge to 0.2-0.075mm pellets working area, sieve lower slurry transportation extremely reflux mud pit II and pass through slush pump again VI and VII is recycled to two level hydrocyclone particle diameter and separates again.<0.075m mud carries out follow-up water process and dehydration.
Obviously, the above embodiments are merely examples for clarifying the description, and the restriction not to embodiment.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or Among changing still in the protection domain of the invention.

Claims (5)

1. the stock grading recovery system of a kind of Soil leaching, it is characterised in that equipped with by vibrating motor, Double-layer screen and high pressure The double-deck grading oscillating screen of spray system three parts composition, is additionally provided with light materials sieve;The top of the Double-layer screen sets high pressure Spray system, realizes that contaminated soil is wet sieving and drenches by the cutting of high-pressure spraying system waterpower and vibrating motor mechanical oscillation Wash;
The water spray of the nozzle of the high-pressure spraying system is 2m3/h;The pressure of nozzle is 0.3Mpa;The system is equipped with two sets Double-deck grading oscillating screen, is respectively bilayer grading oscillating screen I and double-deck grading oscillating screen II;
The bilayer grading oscillating screen I is made of vibrating motor I, Double-layer screen I and spray system I three parts, and Double-layer screen I is certainly Aperture under above is respectively 25mm and 5mm;
The bilayer grading oscillating screen II is made of vibrating motor II, Double-layer screen II and spray system II three parts, double deck screen It is respectively 2mm and 1mm to net the top-down apertures of II;
Further include and which is provided with the double-shaft spiral stone scrubber that high pressure washes away elution water nozzle, for cleaning the double-deck grading oscillating screen 5-25mm pellets that I is screened out simultaneously are delivered to belt conveyor II;
Include in order:
The double-deck grading oscillating screen I above mud pit I, for the discharging through pulping module to be screened out>25mm、5- 25mm and<Three kinds of pellets of 5mm;Wherein>25mm pellets discharge to>25mm pellets working area, 5-25mm pellets enter twin shaft spiral shell Stone scrubber is revolved, < 5mm mud enters mud pit I;
Double-shaft spiral stone scrubber;
The belt conveyor II is located at the lower section of the upper end discharge end of the double-shaft spiral stone scrubber, the belt conveyor II Discharge end is equipped with low level electric magnetic iron remover and is used to remove removal of impurities iron;
Light materials sieve, and are located at the lower section of the double-shaft spiral stone scrubber;
Mud pit II is arranged on the lower section of light materials sieve, for passing through again after receiving the mud for screening out light materials through light materials Slush pump squeezes into mud pit I;
Double-deck grading oscillating screen II, for rinsing the mud conveyed out of mud pit I by slush pump, and screens out 2-5mm, 1- The pellet of 2mm, the bilayer grading oscillating screen II have the mud pit III of the pellet for the < 1mm under receiving screen;
Level-one hydrocyclone, for the mud conveyed by slush pump out of mud pit III to be isolated 0.2-1mm, < The pellet of 0.2mm, wherein < 0.2mm pellets enter two level hydrocyclone, and 0.2-1mm pellets fall into dewatering screen I;
Dewatering screen I below the level-one hydrocyclone, for the 0.2-1mm that the level-one hydrocyclone discharges Mud isolate the pellet of 0.2-1mm and < 0.2mm, the pellet of wherein < 0.2mm enters after reflux mud pit I again through mud The level-one hydrocyclone is squeezed into stock pump IV and V circulation, and 0.2-1mm particle diameters pellet discharging separation to 0.2-1mm pellets is kept in Area;
Two level hydrocyclone, the pellet of the < 0.2mm for level-one hydrocyclone to be inputted isolate 0.2-0.075mm and Two kinds of pellets of < 0.075mm, wherein < 0.075mm pellets to water process and sludge dewatering system subsequent treatment, 0.2-0.075mm Pellet falls into dewatering screen II;
And the dewatering screen II below the two level hydrocyclone, for what the level-one hydrocyclone was discharged The mud of 0.075-0.2mm isolates two kinds of pellets of 0.075-0.2mm and < 0.075mm, wherein the pellet of < 0.075mm into Enter to flow back and squeeze into the level-one hydrocyclone, the discharging of 0.075-0.2mm particle diameters pellet through mud pump circulation again after mud pit II Separation;
Further include positioned at light materials working area, the miscellaneous iron working area below low level electric magnetic iron remover of light materials sieve lower section II, the 5-25mm pellets working area below the belt conveyor II and>25mm pellets working area and positioned at described double 1-2mm pellets working area and 2-5mm pellets working area, the 0.2-1mm below dewatering screen I below layer grading oscillating screen II Pellet working area and the 0.075mm-0.2mm pellets working area below dewatering screen II.
2. Soil leaching stock grading recovery system according to claim 1, it is characterised in that the level-one hydraulic cyclone Device and the two level hydrocyclone are to efficiently separate equipment using the centrifugal force field separation two-phase fluid for rotating generation.
3. Soil leaching stock grading recovery system according to claim 2, it is characterised in that the dewatering screen I sieve apertures Aperture is 0.2mm, and the dewatering screen II screen-apertures are 0.075mm.
4. Soil leaching stock grading recovery system according to claim 3, it is characterised in that the dewatering screen I and de- Water sieve II front ends set one piece of 0.3mm dehydration sieve plate and one piece of 0.2mm dehydration sieve plate respectively.
5. according to the Soil leaching repair system of the stock grading recovery system of any Soil leachings of claim 1-4.
CN201720402679.6U 2017-04-17 2017-04-17 A kind of stock grading recovery system of Soil leaching Active CN207287732U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109530084A (en) * 2018-12-03 2019-03-29 河北地质大学 A kind of classification of coal sorts integrated multistage dry method permanent magnetic separator with ladder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109530084A (en) * 2018-12-03 2019-03-29 河北地质大学 A kind of classification of coal sorts integrated multistage dry method permanent magnetic separator with ladder
CN109530084B (en) * 2018-12-03 2020-02-11 河北地质大学 Grading and stepped separation integrated multistage dry method permanent magnetic separator for coal

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