CN109453900B - Electrostatic separator - Google Patents
Electrostatic separator Download PDFInfo
- Publication number
- CN109453900B CN109453900B CN201811203907.2A CN201811203907A CN109453900B CN 109453900 B CN109453900 B CN 109453900B CN 201811203907 A CN201811203907 A CN 201811203907A CN 109453900 B CN109453900 B CN 109453900B
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- electrostatic
- plate
- electrostatic plate
- mixed
- conveyor belt
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- 239000000463 material Substances 0.000 claims abstract description 87
- 238000000926 separation method Methods 0.000 claims abstract description 21
- 238000005452 bending Methods 0.000 claims abstract description 12
- 238000011084 recovery Methods 0.000 claims description 12
- 238000001179 sorption measurement Methods 0.000 claims description 7
- 239000010419 fine particle Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims 1
- 238000004064 recycling Methods 0.000 abstract 1
- 239000002956 ash Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C7/00—Separating solids from solids by electrostatic effect
- B03C7/02—Separators
- B03C7/08—Separators with material carriers in the form of belts
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- Electrostatic Separation (AREA)
Abstract
The invention relates to an electrostatic separator which comprises an electrostatic separation part, a data part and a control part, wherein when the data part detects that the flow of a mixed material is higher, the control part controls an electrostatic plate in the electrostatic separation part to bend and deform, the electrostatic plate is close to the mixed material, and a first material in the mixed material is more fully adsorbed, so that the first material is separated from the mixed material. The invention controls the bending of the electrostatic plate according to the measured flow of the material, thereby changing the distance between the electrostatic plate and the first material to be separated, achieving the function of fully absorbing the first material, recycling the related material and reusing the material.
Description
Technical Field
The invention relates to an electrostatic separator.
Background
The electrostatic separation technology is widely applied to the fields of dust removal, filtration, adsorption, purification and the like.
Korean mechanical research institute, a fine particle separator for separating fine particles included in a fluid containing mixed fine particles having different physical properties, and a fine particle separation method (refer to patent document CN101405085B)
Patent products, electrostatic separation methods, and electrostatic separation devices of kawasaki plant ltd provide a method for stably separating ash without generating sparks even when the concentration of unburned components in coal ash generated from a boiler of a coal-fired power station is as high as 15 to 30% (see patent document CN 101267890B).
Disclosure of Invention
The invention provides an electrostatic separator, which can dynamically adjust the electrostatic strength of the electrostatic separator according to the specific content of a first material in a material, so that the separation efficiency is high.
Which comprises an electrostatic separation part, a data part and a control part,
the electrostatic separation portion includes a conveying assembly and an electrostatic separation assembly, wherein:
the conveying component is used for electrostatic treatment and transmission of mixed materials, the mixed materials are mixed fine particles composed of a first material and a second material, the conveying component comprises,
the feeding port is arranged above the left side of the vibrating plate;
the vibrating plate is obliquely arranged and vibrates under the driving of a motor to enable the first material and the second material to be in friction electrification, the first material is provided with positive charges, and the second material is provided with negative charges;
a conveyor belt disposed below a right side of the vibration plate;
the electrostatic separation subassembly is arranged in separating out the first material in the mixture, and it includes:
the electrostatic plate is in a micro-bending state in an initial state, the upper end of the electrostatic plate is connected with the upper part of the folding rod through an upper telescopic rod, and the lower end of the electrostatic plate is connected with the recovery tank through a lower telescopic rod;
the electrostatic generator is arranged on the folding rod and is connected with the electrostatic plate through a lead, so that negative charges are distributed on the surface of one side, close to the conveyor belt, of the electrostatic plate;
the electrically actuated upper telescopic rod and the electrically actuated lower telescopic rod are used for pulling the electrostatic plate to change the bending degree of the electrostatic plate;
the discharging groove is arranged below the right side close to the conveyor belt and used for receiving the materials which slide down from the conveyor belt and are subjected to electrostatic separation;
the recovery tank is arranged on the right side of the discharge tank and is used for collecting the adsorbed first material on the electrostatic plate;
the lower end of the folding rod is fixedly connected with the right side of the recovery tank, and the upper part of the folding rod is parallel to the recovery tank;
the mixed material is thrown onto the vibrating plate from the feeding port and charged, the conveying belt conveys the mixed material rightwards, and the first material in the mixed material is adsorbed and separated from one side, which is close to the conveying belt and is distributed with negative charges, of the electrostatic plate;
the data part comprises a flow sensor and a weight sensor, wherein the flow sensor is used for detecting the flow of the mixed material on the vibrating plate, and the weight sensor is used for measuring the weight of the electrostatic plate;
the control section is configured to:
(1) when the flow sensor detects that the flow of the mixed material is greater than a standard value, the upper and lower telescopic rods are controlled to extend for a first distance, so that the electrostatic plate is deformed, the bending degree is increased, the upper section arc of the electrostatic plate is closer to the conveyor belt, the first material can be fully adsorbed, and part of the mixed material falls onto the lower section arc of the electrostatic plate along with the conveyor belt in the process of falling into the discharge chute, so that the first material in the mixed material can be adsorbed secondarily;
(2) when weight sensor detected that electrostatic plate weight value is close to standard weight value, it indicates that the electrostatic plate leads to its adsorption affinity to descend because of adsorbing more first material, then control conveyer belt stop transport to control upper and lower telescopic link and shorten first distance, drive the original degree of bending of recovering of the electrostatic plate that has deformed, the work of controlling electrostatic generator stop again, the first material of adsorption on the electrostatic plate drops to the accumulator because of receiving self action of gravity.
The invention has the beneficial effects that: the invention controls the bending of the electrostatic plate according to the measured material flow, thereby changing the distance between the electrostatic plate and the first material and achieving the functions of fully adsorbing and recovering related materials.
Drawings
FIG. 1 shows a schematic of an electrostatic separator;
fig. 2 shows a block diagram of the components of the electrostatic separator.
Detailed Description
The structure of the present system and the functions performed are described in detail below with reference to the accompanying drawings.
The electrostatic separator comprises an electrostatic separation part 1, a data part 2 and a control part 3;
the electrostatic separation section 1 includes a conveyance assembly 11 and an electrostatic separation assembly 12, wherein:
the conveying assembly 11 is used for electrostatic treatment and transmission of mixed materials, the mixed materials are a mixture composed of a first material and a second material, and the conveying assembly comprises:
a feeding port 111 provided above the left side of the vibration plate 112;
a vibration plate 112 which is disposed obliquely and vibrates under the driving of a motor 113 to cause the first material and the second material to generate friction electrification, wherein the first material is charged with positive charges, and the second material is charged with negative charges;
a conveyor belt 114 disposed below the right side of the vibration plate 112;
the electrostatic separation assembly 12 is used for separating a first material from a mixed material, and includes:
the electrostatic plate 121 is in a slightly bent state in an initial state, the upper end of the electrostatic plate is connected with the upper part of the folding rod 127 through an upper telescopic rod 123, and the lower end of the electrostatic plate is connected with the recovery tank 126 through a lower telescopic rod 124;
the electrostatic generator 122 is arranged on the folding rod 127 and connected with the electrostatic plate 121 through a lead, so that negative charges are distributed on the surface of one side, close to the conveyor belt 114, of the electrostatic plate 121;
an electrically actuated upper telescopic rod 123 and a lower telescopic rod 124 for pulling the electrostatic plate to change its bending degree;
a discharge chute 125, disposed below and near the right side of the conveyor belt 114, for receiving the material that has been subjected to electrostatic separation and that has fallen off the conveyor belt 114;
a recovery tank 126 disposed at the right side of the discharge tank 125 for collecting the adsorbed substances on the electrostatic plate 121
A first material;
a folding rod 127, the lower end of which is fixedly connected with the right side of the recovery tank 126 and the upper part of which is parallel to the recovery tank 126;
the mixed material is thrown onto the vibrating plate 112 from the feeding port 111 and is charged, the conveying belt conveys the mixed material to the right, and the first material in the mixed material is adsorbed and separated from one side, which is close to the conveying belt and is distributed with negative charges, of the electrostatic plate;
the data part 2 comprises a flow sensor 21 and a weight sensor 22, wherein the flow sensor 21 is used for detecting the flow of the mixed material on the vibrating plate 112, and the weight sensor 22 is used for measuring the weight of the electrostatic plate 121;
the control section 3 is configured to:
(1) when the flow sensor 21 detects that the flow of the mixed material is greater than a standard value, the upper and lower telescopic rods are controlled to extend for a first distance, so that the electrostatic plate 121 deforms, the curvature is reduced, the bending degree is increased, the upper and lower arcs of the electrostatic plate 121 are closer to the conveyor belt 114, the first material can be fully adsorbed, and when the mixed material falls into the discharge chute 125 along with the conveyor belt, a part of the mixed material falls onto the lower arc of the electrostatic plate 121, and the electrostatic plate can adsorb the first material in the mixed material for the second time;
(2) when weight sensor 22 detects that electrostatic plate weight value is close to standard weight value, show that electrostatic plate leads to its adsorption affinity to descend because of adsorbing more first material, then control conveyer belt stops the transportation to telescopic link shortens first distance about the control, drives the original degree of curvature of recovering of electrostatic plate 121 that has deformed, and the work of continuation control electrostatic generator 122 stops, and the first material of adsorption on electrostatic plate drops in accumulator 126 because of receiving self action of gravity.
It will be appreciated by persons skilled in the art that numerous variations and/or modifications may be made to the invention as shown in the specific embodiments without departing from the spirit or scope of the invention as broadly described. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. Likewise, the invention encompasses any combination of features, in particular of features in the patent claims, even if this feature or this combination of features is not explicitly specified in the patent claims or in the individual embodiments herein.
Claims (1)
1. An electrostatic separator includes an electrostatic separating section, a data section, and a control section; it is characterized in that the preparation method is characterized in that,
the electrostatic separation portion includes a conveying assembly and an electrostatic separation assembly, wherein:
the conveying component is used for electrostatic treatment and transmission of mixed materials, the mixed materials are mixed fine particles composed of a first material and a second material, the conveying component comprises,
the feeding port is arranged above the left side of the vibrating plate;
the vibrating plate is obliquely arranged and vibrates under the driving of a motor to enable the first material and the second material to be in friction electrification, the first material is provided with positive charges, and the second material is provided with negative charges;
a conveyor belt disposed below a right side of the vibration plate;
the electrostatic separation subassembly is arranged in separating out the first material in the mixture, and it includes:
the electrostatic plate is in a micro-bending state in an initial state, the upper end of the electrostatic plate is connected with the upper part of the folding rod through an upper telescopic rod, and the lower end of the electrostatic plate is connected with the recovery tank through a lower telescopic rod;
the electrostatic generator is arranged on the folding rod and is connected with the electrostatic plate through a lead, so that negative charges are distributed on the surface of one side, close to the conveyor belt, of the electrostatic plate;
the electrically actuated upper telescopic rod and the electrically actuated lower telescopic rod are used for pulling the electrostatic plate to change the bending degree of the electrostatic plate;
the discharging groove is arranged below the right side close to the conveyor belt and used for receiving the materials which slide down from the conveyor belt and are subjected to electrostatic separation;
the recovery tank is arranged on the right side of the discharge tank and is used for collecting the adsorbed first material on the electrostatic plate;
the lower end of the folding rod is fixedly connected with the right side of the recovery tank, and the upper part of the folding rod is parallel to the recovery tank;
the mixed material is thrown onto the vibrating plate from the feeding port and charged, the conveying belt conveys the mixed material rightwards, and the first material in the mixed material is adsorbed and separated from one side, which is close to the conveying belt and is distributed with negative charges, of the electrostatic plate;
the data part comprises a flow sensor and a weight sensor, wherein the flow sensor is used for detecting the flow of the mixed material on the vibrating plate, and the weight sensor is used for measuring the weight of the electrostatic plate;
the control section is configured to:
(1) when the flow sensor detects that the flow of the mixed material is greater than a standard value, the upper and lower telescopic rods are controlled to extend for a first distance, so that the electrostatic plate is deformed, the bending degree is increased, the upper section arc of the electrostatic plate is closer to the conveyor belt, the first material can be fully adsorbed, and part of the mixed material falls onto the lower section arc of the electrostatic plate along with the conveyor belt in the process of falling into the discharge chute, so that the first material in the mixed material can be adsorbed secondarily;
(2) when weight sensor detected that electrostatic plate weight value is close to standard weight value, it indicates that the electrostatic plate leads to its adsorption affinity to descend because of adsorbing more first material, then control conveyer belt stop transport to control upper and lower telescopic link and shorten first distance, drive the original degree of bending of recovering of the electrostatic plate that has deformed, the work of controlling electrostatic generator stop again, the first material of adsorption on the electrostatic plate drops to the accumulator because of receiving self action of gravity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811203907.2A CN109453900B (en) | 2018-10-16 | 2018-10-16 | Electrostatic separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811203907.2A CN109453900B (en) | 2018-10-16 | 2018-10-16 | Electrostatic separator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109453900A CN109453900A (en) | 2019-03-12 |
| CN109453900B true CN109453900B (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811203907.2A Active CN109453900B (en) | 2018-10-16 | 2018-10-16 | Electrostatic separator |
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| Country | Link |
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| CN (1) | CN109453900B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7767924B2 (en) * | 2003-09-09 | 2010-08-03 | Korea Institute Of Geoscience And Mineral Resources | Electrostatic separation system for removal for fine metal from plastic |
| CN2745365Y (en) * | 2004-08-14 | 2005-12-14 | 柳小林 | Electrostatic current regulatable tea stem picking out machine |
| UA31025U (en) * | 2007-10-29 | 2008-03-25 | Владислав Станиславович Квятковский | Lamellar electrostatic separator |
| JP2009195769A (en) * | 2008-02-19 | 2009-09-03 | Mitsubishi Electric Corp | Electrostatic sorting apparatus |
| PT104430A (en) * | 2009-03-10 | 2010-09-10 | Antonio Paulo Cerqueira Duarte | PROCESS AND ELECTROSTATIC SEPARATION DEVICE OF IDENTICAL PARTICLES ELECTRICAL CONDUCTIVITY, APPLIED TO PURIFICATION OF COFFEE IN GRAIN |
| CN107457082B (en) * | 2017-07-03 | 2019-09-03 | 中国矿业大学 | The adjustable friction electrical selection sorting unit of multisection type high voltage electric field and method |
| CN108480053B (en) * | 2018-02-08 | 2020-05-05 | 中国矿业大学 | Automatic nonlinear electric field adjusting device for triboelectric separation |
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2018
- 2018-10-16 CN CN201811203907.2A patent/CN109453900B/en active Active
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| CN109453900A (en) | 2019-03-12 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200309 Address after: 1508, building 3, Wanjia city square, No. 10, Mazu West Road, Fengcheng Town, Lianjiang county, Fuzhou City, Fujian Province Applicant after: LIANJIANG WEIJIA INDUSTRIAL DESIGN Co.,Ltd. Address before: 230000 No. 10 Flourishing Avenue, Baohe District, Hefei City, Anhui Province Applicant before: Han Yantao |
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| TR01 | Transfer of patent right |
Effective date of registration: 20240226 Address after: 113,000 Qianling Industrial Park, Shuncheng District, Fushun, Liaoning Patentee after: FUSHUN XINHE PETROCHEMICAL EQUIPMENT MANUFACTURE Co.,Ltd. Country or region after: China Address before: 350500 Wancheng City Plaza 3, 1508, Mazu West Road, Fengcheng Town, Lianjiang, Fuzhou, Fujian, 1508 Patentee before: LIANJIANG WEIJIA INDUSTRIAL DESIGN Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |