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公开(公告)号：US20190351429A1
公开(公告)日：2019-11-21
申请号：US16469819
申请日：2017-12-04
Applicant: CDE Global Limited
Inventor： Enda Ivanoff
Abstract: An apparatus for washing and grading sand includes a first vibrating screen having a deck arranged to receive a feed material. Oversize material passes over the deck of the first vibrating screen for collection as a first product, and undersize material and water are collected in a sump of the first vibrating screen before being pumped to a hydrocyclone. A second vibrating screen receives an underflow from the hydrocyclone upon a deck thereof, with oversize material passing over the deck of the second vibrating screen for collection as a second product. An overflow from the hydrocyclone passes into a settling tank, and a water storage reservoir receives water overflowing from the settling tank while sludge is collected and removed from a lower end of the settling tank. Water is passed from the water storage reservoir to the first and second vibrating screens to wash and fluidise material thereon.
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公开(公告)号：US10272443B2
公开(公告)日：2019-04-30
申请号：US15918640
申请日：2018-03-12
Applicant: CDE Global Limited
Inventor： Enda Ivanoff
Abstract: An apparatus for washing and grading sand and aggregate includes an aggregate grading and washing screen with a plurality of vertically stacked decks for producing a plurality of aggregate products therefrom, and at least one sump for collecting undersize material comprising sand and water from the plurality of decks. A plurality of sand washing and grading units each include a first hydrocyclone, a vibratory screen having a deck, and a sump beneath the deck for receiving undersize material and water passing through the deck. The deck of the vibratory screen receives an underflow from the first hydrocyclone. A further hydrocyclone receives undersize material and water from the vibratory screen's sump. Underflow from the further hydrocyclone is delivered onto the deck of the vibratory screen. The first hydrocyclone of each sand washing and grading unit receives undersize material and water from the sump of the aggregate washing and grading screen.
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公开(公告)号：US11103879B2
公开(公告)日：2021-08-31
申请号：US16395676
申请日：2019-04-26
Applicant: CDE Global Limited
Inventor： Enda Ivanoff
Abstract: An apparatus for washing and grading sand and aggregate includes an aggregate grading and washing screen with a plurality of vertically stacked decks for producing a plurality of aggregate products therefrom, and at least one sump for collecting undersize material comprising sand and water from the plurality of decks. A plurality of sand washing and grading units each include a first hydrocyclone, a vibratory screen having a deck, and a sump beneath the deck for receiving undersize material and water passing through the deck. The deck of the vibratory screen receives an underflow from the first hydrocyclone. A further hydrocyclone receives undersize material and water from the vibratory screen's sump. Underflow from the further hydrocyclone is delivered onto the deck of the vibratory screen. The first hydrocyclone of each sand washing and grading unit receives undersize material and water from the sump of the aggregate washing and grading screen.
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公开(公告)号：US20180243796A1
公开(公告)日：2018-08-30
申请号：US15907795
申请日：2018-02-28
Applicant: CDE Global Limited
Inventor： Enda Ivanoff
CPC classification number: B07B1/005 , B07B1/28 , B07B1/4663 , B07B11/06 , B07B2201/04 , B07B2230/01 , B65G47/20 , E21B21/065
Abstract: An apparatus for washing and grading sand and aggregate includes a first multi-deck screen and a sump for collecting undersize material from the plurality of decks. A first set of hydrocyclones receives undersize material and water from the sump of the first screen. A second screen has a deck for producing at least one sand product and a sump beneath the deck, the deck of the second screen receiving an underflow from each cyclone of the first set of hydrocyclones. A second set of hydrocyclones receives undersize material and water from the sump of the second vibratory screen. The deck of a third screen receives an underflow from each cyclone of the second set of hydrocyclones. A further hydrocyclone receives undersize material and water from the sump of the third screen, and an underflow from the further hydrocyclone is delivered onto the deck of the third screen.
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公开(公告)号：US20190247861A1
公开(公告)日：2019-08-15
申请号：US16395676
申请日：2019-04-26
Applicant: CDE Global Limited
Inventor： Enda Ivanoff
CPC classification number: B03B9/00 , B03B5/04 , B03B5/34 , B03B11/00 , B07B15/00 , B07B2201/04 , B07B2230/01
Abstract: An apparatus for washing and grading sand and aggregate includes an aggregate grading and washing screen with a plurality of vertically stacked decks for producing a plurality of aggregate products therefrom, and at least one sump for collecting undersize material comprising sand and water from the plurality of decks. A plurality of sand washing and grading units each include a first hydrocyclone, a vibratory screen having a deck, and a sump beneath the deck for receiving undersize material and water passing through the deck. The deck of the vibratory screen receives an underflow from the first hydrocyclone. A further hydrocyclone receives undersize material and water from the vibratory screen's sump. Underflow from the further hydrocyclone is delivered onto the deck of the vibratory screen. The first hydrocyclone of each sand washing and grading unit receives undersize material and water from the sump of the aggregate washing and grading screen.
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Patent Agency Ranking
公开(公告)号：US20160228881A1
公开(公告)日：2016-08-11
申请号：US15015932
申请日：2016-02-04
Applicant: CDE Global Limited
Inventor： Enda Ivanoff , Kevin Vallelly , Robert Lyttle
CPC classification number: B03B11/00 , B03B5/34 , B03B7/00 , B07B1/28 , B07B1/42 , B07B1/4609 , B07B13/16 , B07B2230/01
Abstract: A screening apparatus for grading particulate material includes a grading screen having apertures for water and/or undersize particles to pass through. The grading screen is supported on a frame mounted on a chassis via resilient linkages, and the grading screen being vibrated by a vibrating device that imparts circular or reciprocating motion to the grading screen. The grading screen is set at a predetermined slope whereby material to be graded can be delivered onto an upper end while the grading screen is vibrated to convey the material over the grading screen and to cause undersize material to pass through the apertures. Oversize material is discharged from a lower end of the screen onto a conveyor or into a collection bay or hopper. A sump beneath the grading screen receives under-sized material passing through the grading screen, and a jet pump conveys material from the sump to a dewatering screen.
Abstract translation: 用于分级颗粒材料的筛选装置包括具有用于水和/或尺寸过小的颗粒通过的孔的分级筛。 分级屏幕通过弹性联动支撑在安装在机架上的框架上，并且分级屏幕由振动装置振动，该振动装置向分级屏幕施加圆形或往复运动。 分级屏幕被设置在预定的斜率上，由此将待分级的材料输送到上端，同时分级屏幕被振动以将材料输送到分级屏幕上并使尺寸过小的材料通过孔。 超大材料从屏幕的下端排出到输送机上或收集架或料斗中。 分级屏幕下面的一个水槽接收通过分级筛网的大小不足的材料，喷射泵将物料从贮槽传送到脱水筛网。
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公开(公告)号：US11185869B2
公开(公告)日：2021-11-30
申请号：US16469819
申请日：2017-12-04
Applicant: CDE Global Limited
Inventor： Enda Ivanoff
Abstract: An apparatus for washing and grading sand includes a first vibrating screen having a deck arranged to receive a feed material. Oversize material passes over the deck of the first vibrating screen for collection as a first product, and undersize material and water are collected in a sump of the first vibrating screen before being pumped to a hydrocyclone. A second vibrating screen receives an underflow from the hydrocyclone upon a deck thereof, with oversize material passing over the deck of the second vibrating screen for collection as a second product. An overflow from the hydrocyclone passes into a settling tank, and a water storage reservoir receives water overflowing from the settling tank while sludge is collected and removed from a lower end of the settling tank. Water is passed from the water storage reservoir to the first and second vibrating screens to wash and fluidise material thereon.
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公开(公告)号：US10399123B2
公开(公告)日：2019-09-03
申请号：US15907795
申请日：2018-02-28
Applicant: CDE Global Limited
Inventor： Enda Ivanoff
Abstract: An apparatus for washing and grading sand and aggregate includes a first multi-deck screen and a sump for collecting undersize material from the plurality of decks. A first set of hydrocyclones receives undersize material and water from the sump of the first screen. A second screen has a deck for producing at least one sand product and a sump beneath the deck, the deck of the second screen receiving an underflow from each cyclone of the first set of hydrocyclones. A second set of hydrocyclones receives undersize material and water from the sump of the second vibratory screen. The deck of a third screen receives an underflow from each cyclone of the second set of hydrocyclones. A further hydrocyclone receives undersize material and water from the sump of the third screen, and an underflow from the further hydrocyclone is delivered onto the deck of the third screen.
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公开(公告)号：US20180257087A1
公开(公告)日：2018-09-13
申请号：US15918640
申请日：2018-03-12
Applicant: CDE Global Limited
Inventor： Enda Ivanoff
CPC classification number: B03B9/00 , B03B5/04 , B03B5/34 , B03B11/00 , B07B15/00 , B07B2201/04 , B07B2230/01
Abstract: An apparatus for washing and grading sand and aggregate includes an aggregate grading and washing screen with a plurality of vertically stacked decks for producing a plurality of aggregate products therefrom, and at least one sump for collecting undersize material comprising sand and water from the plurality of decks. A plurality of sand washing and grading units each include a first hydrocyclone, a vibratory screen having a deck, and a sump beneath the deck for receiving undersize material and water passing through the deck. The deck of the vibratory screen receives an underflow from the first hydrocyclone. A further hydrocyclone receives undersize material and water from the vibratory screen's sump. Underflow from the further hydrocyclone is delivered onto the deck of the vibratory screen. The first hydrocyclone of each sand washing and grading unit receives undersize material and water from the sump of the aggregate washing and grading screen.
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公开(公告)号：US10016764B2
公开(公告)日：2018-07-10
申请号：US15468425
申请日：2017-03-24
Applicant: CDE Global Limited
Inventor： Enda Ivanoff
CPC classification number: B03B9/00 , B02C18/142 , B03B5/02 , B03B5/40 , B03B5/52 , B07B1/28 , B07B2201/04
Abstract: An apparatus for processing aggregate material comprising an inclined trough having a pair of shafts rotatably mounted therein, the shafts having staggered blades arranged pass between one another during rotation of the shafts and angled to carry material towards an upper end of the trough, excess water and any floating trash passing over a weir adjacent a lower end of the trough onto the deck of a first vibratory screen, and a second vibatory screen being mounted adjacent the upper end of the trough for receiving particulate material from the upper end of the trough, the second vibratory screen having at least one deck for grading the material, wherein water collected in a sump of the first vibratory screen is arranged to pass into a sump of the second vibratory screen.
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