WO2020002977A1 - Systèmes et procédé pour le lavage et le calibrage de matériau particulaire - Google Patents

Systèmes et procédé pour le lavage et le calibrage de matériau particulaire Download PDF

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Publication number
WO2020002977A1
WO2020002977A1 PCT/IB2018/056913 IB2018056913W WO2020002977A1 WO 2020002977 A1 WO2020002977 A1 WO 2020002977A1 IB 2018056913 W IB2018056913 W IB 2018056913W WO 2020002977 A1 WO2020002977 A1 WO 2020002977A1
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WIPO (PCT)
Prior art keywords
particles
water
screen
hydrocyclone
receive
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.)
Ceased
Application number
PCT/IB2018/056913
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English (en)
Inventor
Manish Bhartia
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.)
CDE ASIA Ltd
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CDE ASIA Ltd
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Filing date
Publication date
Application filed by CDE ASIA Ltd filed Critical CDE ASIA Ltd
Priority to KR1020217003139A priority Critical patent/KR102734956B1/ko
Priority to SG11202013215VA priority patent/SG11202013215VA/en
Priority to JP2021500165A priority patent/JP2022509901A/ja
Publication of WO2020002977A1 publication Critical patent/WO2020002977A1/fr
Priority to PH12020552290A priority patent/PH12020552290A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B9/00—General arrangement of separating plant, e.g. flow sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
    • B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
    • B03B5/30—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions
    • B03B5/32—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions using centrifugal force
    • B03B5/34—Applications of hydrocyclones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
    • B03B5/62—Washing granular, powdered or lumpy materials; Wet separating by hydraulic classifiers, e.g. of launder, tank, spiral or helical chute concentrator type
    • 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
    • B07B15/00—Combinations of apparatus for separating solids from solids by dry methods applicable to bulk material, e.g. loose articles fit to be handled like bulk material
    • 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

Definitions

  • the present subject matter described herein in general, relates to washing and grading of particulate material, in particular silica sand for applications in foundry, glass and construction, by segregating range of desired particle size from bulk material such as crushed sand stone, sand from quarries, sand from rivers and/or minerals. More particularly, the invention relates to a method and system for classification of particulate material of variable sizes and extraction of fine graded particles with waste management and water recycling system with maximum recovery of process water with high efficiency, in order to improve the end product and lower the cost of production in downstream industry.
  • a hydrocyclone discharges material in a slurry form and therefore the user must create separate facility for dewatering underflow of the hydrocyclone in order to recover good material. Secondly, the hydrocyclones discharge a high amount of water along with rejects and require huge quantity of water in order to function correctly. Here also there isn’t any solution for reusing the process water.
  • the present invention is uniquely integrating the facility of both efficient sizing & classification of material and complete waste management and water recycling system in a single integrated compact design.
  • the present invention allows extraction of graded products from different raw materials with maximum recovery of the process water for reuse.
  • An objective of the present invention is to provide a method, system and a device for an integrated sand washing and classification solution to the foundry and glass making industry while reducing overall plant footprints, lowering the requirement of water through integrated water management system, lowering power requirement and thus lowering the cost of production.
  • the present invention provides a system for classification of particulate material of variable sizes and extraction of fine graded particles with waste management and water recycling system with maximum recovery of process water.
  • the system comprises of a degritting screen adapted to receive a particulate material from a feeding system, wherein a feed slurry with water is collected from the degritting screen; a conveyor adapted to receive trash oversize from the degritting screen for dumping; a fine screen adapted to receive the feed slurry and screen out fine particles; a conveyor adapted to receive dewatered coarse particles for the fine screen overflow and stockpiling the same as a coarse product; a first hydrocyclone adapted to receive the fine particles in slurry form for removing preselected ultrafine particles with most of water to hydrocyclone overflow as reject; a dewatering screen adapted to receive the hydrocyclone underflow with desired range of particles and generate dewatered particles on a conveyor where the dewatered particles are stockpiled as final product; and a water recycling system adapted to receive
  • the present invention provides a system for classification of particulate material of variable sizes and extraction of fine graded particles with waste management and water recycling system with maximum recovery of process water.
  • the system comprises of a degritting screen adapted to receive a particulate material from a feeding system, wherein a feed slurry with water is collected from the degritting screen; a conveyor adapted to receive trash oversize from the degritting screen for dumping; a fine screen adapted to receive the feed slurry and screen out fine particles; a conveyor adapted to receive dewatered coarse particles for the fine screen overflow and stockpiling the same as a coarse product; a first hydrocyclone adapted to receive the fine particles in slurry form for removing preselected ultrafine particles with most of water to hydrocyclone overflow as reject; a second hydrocyclone adapted to receive the first hydrocyclone underflow with desired range of particles so as to further eliminate remaining ultrafine particles; a dewatering screen adapted to receive the second hydrocyclone underflow with desired range of particles and generate de
  • the present invention provides a system for classification of particulate material of variable sizes and extraction of fine graded particles with waste management and water recycling system with maximum recovery of process water.
  • the system comprises of a degritting screen adapted to receive a particulate material from a feeding system, wherein a feed slurry with water is collected from the degritting screen; a conveyor adapted to receive trash oversize from the degritting screen for dumping; a fine screen adapted to receive the feed slurry and screen out fine particles; a conveyor adapted to receive dewatered coarse particles for the fine screen overflow and stockpiling the same as a coarse product; a first hydrocyclone adapted to receive the fine particles in slurry form for removing preselected ultrafine particles with most of water to hydrocyclone overflow as reject; a hydraulic classifier with counter current water from bottom adapted to receive the first hydrocyclone underflow with desired range of particles and remove preselected coarse fraction from the first hydrocyclone underflow, wherein oversize particles from the first hydrocyclone underflow report
  • the present invention provides system for classification of particulate material of variable sizes and extraction of fine graded particles with waste management and water recycling system with maximum recovery of process water.
  • the system comprises of a split screen adapted to receive a particulate material from a feeding system , wherein a feed slurry with water is collected from the screen; a conveyor adapted to receive trash oversize from the degritting screen for dumping; a first hydrocyclone adapted to receive fine particles in the feed slurry for removing preselected ultrafine particles with most of water to hydrocyclone overflow as reject and feeding the first hydrocyclone underflow to dewatering side of the split screen; an attrition scrubber adapted to receive dewatered feed particles from the split screen, wherein the attrition scrubber facilitates intense surface attrition for dislodging adhering particles of heavy minerals; a sump with water for necessary dilution of the scrubbed particles; a second hydrocyclone adapted to receive fine particles filtered by a fine screen and remove preselected ultrafme particles with
  • Figure 1 illustrates a system for classification of particulate material of variable sizes and extraction of fine graded particles with waste management and water recycling system with maximum recovery of process water, according to one embodiment of the present invention.
  • Figure 2 shows a system for classification of particulate material of variable sizes and extraction of fine graded particles with waste management and water recycling system with maximum recovery of process water, according to second embodiment of the present invention.
  • Figure 3 illustrates a system for classification of particulate material of variable sizes and extraction of fine graded particles with waste management and water recycling system with maximum recovery of process water, according to third embodiment of the present invention.
  • Figure 4 illustrates a system for classification of particulate material of variable sizes and extraction of fine graded particles with waste management and water recycling system with maximum recovery of process water, according to fourth embodiment of the present invention.
  • a system for classification of various sand of variable sizes and extraction of fine graded particles with waste management and water recycling system and with maximum recovery of process water
  • an integrated feeding system 100 having a feed hopper, feeder and a belt conveyor, wherein said feeding system is adapted to transport particulate material to a degritting screen (101). Suitable amount of water is added on the degritting screen (101) through a recirculating water pump (118) for washing out the feed particles to screen underflow, rejecting trash on the screen to a conveyor (102) and dumping the same as a reject.
  • Tramp oversize from the degritting screen (101) is discharged to a conveyor (102) for dumping and water recovered from the degritting screen (101) along with feed particles obtained in the previous step is discharged to a sump (103) in slurry form and the slurry from the sump (103) is pumped by a slurry pump (104) to a fine screen (105) for screening out the desired size of fine particles to the screen underflow.
  • the selected fine particles are then recovered to a sump (107), and the dewatered coarse particles are collected from the fine screen overflow as a coarse product and stockpiled by a conveyor (106).
  • the fine particles with most of the water obtained after dewatering the coarse particles are collected to sump (107) and the slurry in sump (107) is pumped to another sump (109) by slurry pump (108), and slurry from sump (109) is pumped to a hydrocyclone (111) by a pump (110) attached to sump (109) at requisite pressure so as to remove the preselected ultrafme particles with most of the water to hydrocyclone overflow as reject.
  • the hydrocyclone (111) underflow is directed with desired range of particles to a dewatering screen (112), the dewatered particles are collected in a conveyor (113) for stockpiling as the final product.
  • the recovered water and fine particles obtained from dewatering screen (112) is recirculated to a sump (109) for recirculation and the waste slurry from hydrocyclone overflow is fed, through a wear resistant pipe, to a water recycling system (116) after deaerating and mixing with flocculants (115) in a pre-fabricated chamber (114) being located at the side of the water recycling system (116).
  • the clean water is discharged from peripheral launder of the water recycling system (116) to a clear water tank (117) and pumped to various points in the circuit such as degritting screen (101), fine screen (105) and various sumps through a recirculating water pump (118).
  • the deposited sludge at the bottom of water recycling system is discharged with scrapping mechanism and the sludge obtained at the bottom of water recycling system (116) is further discharged by a slurry evacuation pump (119) with pneumatically operated valves, (actuated by air compressor) to the designated sludge disposal area (pond) after mixing with special flocculants (121) in a mixing tube ( 120) which allows further water recovery and quicker settlement of the sludge .
  • a system for classification of various sands of variable sizes and extraction of fine graded particles with waste management and water recycling system with maximum recovery of process water comprising an integrated feeding system (200) having a feed hopper, feeder and a belt conveyor, wherein said feeding system is adapted to transport material to a degritting screen (201). Suitable amount of water is added on the degritting screen (201) through a recirculating water pump (219) for washing out the feed particles to screen underflow. Firstly, tramp oversize from degritting screen (201) is discharged to a conveyor (202) for dumping and the recovered feed particles with water are collected in a sump (203) in slurry form.
  • the feed slurry is pumped to a fine screen (205) by a pump (204) for screening out the desired size of fine particles to the screen underflow and the selected fine particles are recovered to sump (207).
  • the dewatered coarse particles are collected from fine screen (205) overflow as a coarse product and stockpiled by conveyor (206).
  • the slurry in the sump (207) is pumped to a hydrocyclone (209) by a pump (208) at requisite pressure and the preselected ultrafme fraction of feed report to the hydrocyclone overflow and is removed with most of the water.
  • the hydrocyclone underflow is directed with desired range of particles to another sump (210) with a pump (211) and fed to a second stage of hydrocyclone (212) after adding water so as to further eliminate remaining ultrafme to hydrocyclone (212) overflow with most of the water.
  • the second stage hydrocyclone underflow is then directed with desired range of particles to a dewatering screen (213) from which the dewatered particle are collected in a conveyor (214) and stockpiled as the final product.
  • the recovered water and the some very fine particles obtained from the dewatering screen (213) are recirculated to the sump (210) and the waste slurry from both the hydrocyclone overflow is fed through a wear resistant pipe to a water recycling system (217) after deaerating and mixing with flocculants (216) in a pre -fabricated chamber (215) being located at the side of the water recovery system.
  • the recovered water is collected in a clear water tank (218) and pumped to various points in the circuit by pump (219).
  • the deposited sludge at the bottom of water recycling system (217) is discharged with scrapping mechanism and the sludge obtained is further discharged by a slurry evacuation pump (220) with pneumatically operated valves, (actuated by air compressor) to the designated sludge disposal area after mixing with special flocculants (222) in a mixing tube (221) which allows further water recovery and quicker settlement of sludge.
  • This whole operation is controlled by a PLC system (223).
  • a system for classification of various sands of variable sizes and extraction of fine graded particles with waste management and water recycling system with maximum recovery of process water comprising an integrated feeding system (300) having a feed hopper, feeder and a belt conveyor, wherein said feeding system (300) is adapted to transport material to a degritting screen (301). Suitable amount of water is added on the degritting screen (301) through a recirculating water pump (318) for washing out the feed particles to screen underflow. Firstly, tramp oversize from degritting screen (301) is discharged to a conveyor (302) for dumping and the recovered feed particles with water are collected in a sump (303) in slurry form.
  • the feed slurry is pumped to a fine screen (305) by a pump (304) for screening out the desired size of fine particles to the screen underflow and recovering to a sump (307).
  • the dewatered coarse particles are collected from the fine screen overflow and discharged to a conveyor (306) for stockpiling as coarse product.
  • the fine particles from sump (307) are pumped by pump (308) in a slurry form to a hydrocyclone (309) for removing the preselected ultrafine particles with most of the water to hydrocyclone overflow as reject.
  • the hydrocyclone underflow is directed with desired range of particles to a hydraulic classifier (310) with counter current water from bottom for removing some preselected coarse fraction.
  • the oversize particles from the hydrocyclone (309) underflow report to the feed of the counter current hydraulic classifier (310) with most of the water.
  • the hydraulic classifier underflow is then directed with desired range of particles to a sump (311) and pumped to hydrocyclone (313) by pump (312) for removing most of water to the overflow and the coarse underflow reports to dewatering screen (314), from which the dewatered particles are collected in a conveyor (315) and stockpiled as the final product.
  • dewatering screen (314) from which the dewatered particles are collected in a conveyor (315) and stockpiled as the final product.
  • the recovered water and fine particles obtained from the dewatering Screen (314) is recirculated to a sump (311).
  • waste overflow slurry from both the hydrocyclones and the hydraulic classifier is fed through a wear resistant pipe to a water recycling system (317) after deaerating and mixing with flocculants (324) in a pre-fabricated chamber (316) being located at the side of the water recycling system.
  • the clean water from peripheral launder of the water recycling system is discharged to a clean water tank (318) and recirculated to the degritting screen (301), fine screen (305) and various sumps through recirculating water pump (319).
  • the deposited sludge at the bottom of the water recycling system is discharging with scrapping mechanism and the obtained sludge is further discharged by a slurry evacuation pump (320) with pneumatically operated valves, (actuated by air compressor) to the designated sludge disposal area after mixing with special flocculants (322) in a mixing tube (321) which allows further water recovery and quicker settlement of the sludge.
  • a slurry evacuation pump with pneumatically operated valves, (actuated by air compressor) to the designated sludge disposal area after mixing with special flocculants (322) in a mixing tube (321) which allows further water recovery and quicker settlement of the sludge.
  • the whole operation is controlled by a PLC system (323).
  • a system for classification of various sands of variable sizes and extraction of fine graded particles with waste management and water recycling system with maximum recovery of process water comprising an integrated feeding system (400) having a feed hopper, feeder and a belt conveyor, wherein said feeding system is adapted to transport the material to the degritting side of a split screen (401). Suitable amount of water is added on the screen through a recirculating water pump (426) for washing out the feed particles to screen underflow, rejecting trash on the screen to a conveyor (402) and dumping the same as a reject.
  • the feed particles with water report to a sump (403) in slurry form and is pumped to a first stage of hydrocyclone (405) using pump (404) at requisite pressure so as to remove preselected size of ultrafine particles to the hydrocyclone overflow with most of the water.
  • hydrocyclone underflow (coarse particles) is directed to dewatering part of the split screen (401), after which the dewatered feed particles with measured water are discharged to an attrition scrubber (406) for intense surface attrition for dislodging adhering particles of heavy minerals particularly iron, titanium and alumina minerals.
  • the scrubbed particles are discharged to a sump (407) with water for necessary dilution and the feed slurry is pumped to a fine screen (409) by a pump (408) for separation of the selected fine particles to the screen underflow efficiently and dewatering and discharging the coarse particles to a conveyor (410) for stockpiling as a coarse product suitable for the construction industry.
  • the fine particles from screen underflow with most of the water are discharged to a sump (411) in slurry form and then pumped to a hydrocyclone (413) by pump (412) at requisite pressure for removing most of the water to hydrocyclone overflow with most of the water.
  • the hydrocyclone (413) underflow with desired range of particles is then directed to a set of spiral concentrator (414) separating the dislodged heavy mineral particles having a higher specific gravity than sand as reject.
  • the spiral separator heavies are rejects and are dumped on ground.
  • the washed, beneficiated good quality sand from the spiral concentrator (414) is then collected in a sump (415) along with overflow from hydrocyclone and pumped by pump (416) to another sump (417) from where it is pumped by pump (418) to a third stage of hydrocyclone (419) for dewatering and separating the remaining ultrafine particles to the hydrocyclone overflow.
  • the hydrocyclone (419) underflow is fed to a dewatering screen (420) to dewater the product which is then collected in a conveyor (421) for stockpiling as the final product for the Glass industry and the water falls back into sump (417).
  • the waste overflow slurry from hydrocyclone stages (405, 419) is fed through a wear resistant pipe to a water recycling system (424) after deaerating and mixing with flocculants (423) in a pre -fabricated chamber (422) being located at the side of the water recycling system.
  • the clean water is discharged from peripheral launder of the water recycling system to a clean water tank (425) and recirculated to the degritting screen (401), fine screen (409) and various sumps through recirculating water pump (426).
  • the deposited sludge at the bottom of the water recycling system is discharged with scrapping mechanism and the obtained sludge is further discharged by a slurry evacuation pump (427) with pneumatically operated valves, (actuated by air compressor) to the designated sludge disposal area after mixing with special flocculants (429) in a mixing tube (428) which allows further water recovery and quicker settlement of the sludge.
  • a slurry evacuation pump (427) with pneumatically operated valves, (actuated by air compressor) to the designated sludge disposal area after mixing with special flocculants (429) in a mixing tube (428) which allows further water recovery and quicker settlement of the sludge.
  • the operation is controlled by a PLC system (430).
  • the present invention in all the embodiments has the ability to classify a wide range of the particle sizes. In the third embodiment, additional particle sizes could be individually classified as the system allows more close control on the size gradation of the final product.
  • the system also beneficiates the raw material to produce
  • the invention is fully pre-assembled, electrically wired with extensive test carried out prior to dispatch from factory ensuring minimal intervention required by installation and commissioning engineers.
  • the present invention provides a unique system and method for rejection of oversized and undersized fractions from the feed and production of graded high quality products at high efficiencies while re -circulating most of the process water within the circuit for reuse. This reduces the requirement of fresh water drastically.
  • the system and method of the present invention can be extensively used for processing of, but not limited to foundry grade sand, glass grade sand of various types, fracking sand, sports and horticultural sand, filter sand, equestrian sands, clay production, construction sand for high performance concrete, etc.
  • One of the examples of the uses of the present invention is production of washed and sized high-quality sands to be used on every day basis by the foundry, glass and construction industry. This invention considerably improves the end product quality such as metallic and non-metallic casting in downstream industries and provides good quality material for production of coloured glass for the bottling industry, high performance concrete, plastering work etc.
  • the system allows more close control on the size gradation of the final product and also beneficiates raw material to produce quality product from inferior grade material.

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  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
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Abstract

La présente invention concerne un système pour la classification de matériau particulaire de tailles variables et l'extraction de particules de petit calibre avec un système de gestion de déchets et de recyclage d'eau permettant une récupération maximale d'eau de traitement. Le système comprend un tamis de dessablage (101) conçu pour recevoir un matériau particulaire provenant d'un système d'alimentation (100), une suspension d'alimentation comprenant de l'eau étant collectée à partir du tamis de dessablage (101); un transporteur (102) conçu pour recevoir des déchets surdimensionnés à partir du tamis de dessablage (101) pour le déchargement; un tamis fin (105) conçu pour recevoir la suspension d'alimentation et éliminer par criblage des particules fines; un transporteur (106) conçu pour recevoir des particules grossières égouttées pour la surverse de tamis fin (105) et le stockage de celles-ci en tant que produit grossier; un premier hydrocyclone (111) conçu pour recevoir les particules fines sous forme de suspension pour éliminer des particules ultrafines présélectionnées avec la majeure partie de l'eau en surverse de l'hydrocyclone en tant que rejet; un tamis d'égouttage (112) conçu pour recevoir la sousverse de l'hydrocyclone avec une plage souhaitée de particules et générer des particules égouttées sur un transporteur (113) où les particules égouttées sont stockées en tant que produit final; et un système de recyclage d'eau (116) conçu pour recevoir une surverse d'hydrocyclone pour récupérer et collecter de l'eau dans un réservoir propre (117) et faire recirculer l'eau dans le système au moyen d'une pompe (118). L'invention concerne également un procédé de classification de matériau particulaire de tailles variables et d'extraction de particules de petit calibre avec un système de gestion de déchets et de recyclage d'eau avec une récupération maximale de traitement d'eau.
PCT/IB2018/056913 2018-06-30 2018-09-11 Systèmes et procédé pour le lavage et le calibrage de matériau particulaire Ceased WO2020002977A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020217003139A KR102734956B1 (ko) 2018-06-30 2018-09-11 미립자 물질을 세척하고 등급화하기 위한 시스템 및 방법
SG11202013215VA SG11202013215VA (en) 2018-06-30 2018-09-11 Systems and method for washing and grading particulate material.
JP2021500165A JP2022509901A (ja) 2018-06-30 2018-09-11 粒状物質を洗浄および等級付けするシステムおよび方法
PH12020552290A PH12020552290A1 (en) 2018-06-30 2020-12-30 Systems and method for washing and grading particulate material

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN201831024461 2018-06-30
IN201831024461 2018-06-30

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WO2020002977A1 true WO2020002977A1 (fr) 2020-01-02

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JP (1) JP2022509901A (fr)
KR (1) KR102734956B1 (fr)
PH (1) PH12020552290A1 (fr)
SG (1) SG11202013215VA (fr)
WO (1) WO2020002977A1 (fr)

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CN111995212A (zh) * 2020-09-21 2020-11-27 长江河湖建设有限公司 一种清淤泥浆多效组合泥水分离系统
GB2589097A (en) * 2019-11-19 2021-05-26 Cde Global Ltd Method and apparatus for washing and grading sand
GB2591798A (en) * 2020-02-07 2021-08-11 Weir Minerals Netherlands Bv Dewatering system
WO2021250411A1 (fr) * 2020-06-11 2021-12-16 Richard Henry Coulton Procédé et appareil de séparation d'un matériau de remplissage de gazon synthétique
CN114538733A (zh) * 2022-03-04 2022-05-27 上海固可曼分离工艺设备有限公司 一种分离市政废弃物的系统及方法
CN114832497A (zh) * 2022-03-23 2022-08-02 北京蓝布息科技有限公司 一种电石渣水力旋流除杂系统
CN116550460A (zh) * 2023-03-08 2023-08-08 广东粤桥新材料科技有限公司 洗矿方法
CN117164204A (zh) * 2023-09-21 2023-12-05 山东科技大学 一种中细颗粒市政污泥回收处理系统及方法
CN119869744A (zh) * 2025-02-24 2025-04-25 北京市瑞德石油新技术有限公司 一种石英压裂砂生产系统及生产方法

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