CN113510112A - Continuous acid leaching device for quartz sand production - Google Patents

Continuous acid leaching device for quartz sand production Download PDF

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Publication number
CN113510112A
CN113510112A CN202110396098.7A CN202110396098A CN113510112A CN 113510112 A CN113510112 A CN 113510112A CN 202110396098 A CN202110396098 A CN 202110396098A CN 113510112 A CN113510112 A CN 113510112A
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CN
China
Prior art keywords
acid leaching
tank
frame
leaching tank
liquid
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CN202110396098.7A
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Chinese (zh)
Inventor
嵇亚明
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Xinyi Zhongda Quartz Technology Co ltd
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Xinyi Zhongda Quartz Technology Co ltd
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Priority to CN202110396098.7A priority Critical patent/CN113510112A/en
Publication of CN113510112A publication Critical patent/CN113510112A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04Cleaning involving contact with liquid
    • B08B3/08Cleaning involving contact with liquid the liquid having chemical or dissolving effect
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Abstract

The invention discloses a continuous acid leaching device for quartz sand production, which comprises a liquid storage box body, a first acid leaching tank horizontally arranged on the right side of the liquid storage box body, a second acid leaching tank vertically arranged at the bottom of the first acid leaching tank, a movable material conveying frame arranged on the right side of the second acid leaching tank and a vibration conveying structure for screening and purifying; the vibration transmission structure comprises two parallel and vertical stand bars, a transmission frame is arranged at the top of each stand bar, the transmission frame is cuboid, an opening is formed in the left end of the transmission frame, a net-shaped transmission belt is arranged on the inner side of the transmission frame, and a first motor is arranged on the side wall of the transmission frame; the vibration transmission structure comprises a vibration transmission structure, a vertical frame, a rotating rod, a linkage rod and a hydraulic cylinder, wherein the vertical frame is arranged on the left side of the vibration transmission structure, the rotating rod is arranged in the middle of the vertical frame and connected with a movable material conveying frame, the linkage rod is arranged at the middle position of the movable material conveying frame, and the hydraulic cylinder is arranged at the top of the vertical frame. The invention has the advantages of integrated flow line transmission, full filtration and acid leaching and higher efficiency.

Description

Continuous acid leaching device for quartz sand production
Technical Field
The invention relates to the technical field of quartz stone processing equipment, in particular to a continuous acid leaching device for quartz sand production.
Background
The quartz stone is a new stone material synthesized by more than 90% of quartz crystal, resin and other trace elements. It is a large-scale plate pressed by a special machine under certain physical and chemical conditions, and the main material of the large-scale plate is quartz. Quartz is a mineral that easily becomes liquid when heated or pressurized. It is also a very common rock-making mineral, and is found in three major types of rocks. Because it crystallizes the latest in igneous rocks, it usually lacks complete crystal planes, mostly filling in the middle of other previously crystallized petrochemicals.
Acid leaching (a cid leaching) refers to a mineral leaching process that uses an aqueous solution of a mineral acid as a leaching agent. It is one of the most commonly used leaching methods in chemical ore dressing. Sulfuric acid, hydrochloric acid, nitric acid, sulfurous acid, hydrofluoric acid, aqua regia and the like can be used as the leaching agent, wherein the most widely used is sulfuric acid. The dilute sulfuric acid is weak oxidizing acid, can be used for treating mineral raw materials containing a large amount of reducing components (such as organic matters, sulfides, ferrous oxide and the like), is cheap and easy to obtain, is easy to solve the problem of equipment corrosion resistance, has a high boiling point, can be used for pickling quartz at a high leaching temperature under normal pressure in the processing process, and is required to remove impurities on the outer skin of quartz sand and then to perform subsequent processing.
The existing quartz sand is mostly soaked in single pickling during pickling, so that the cleaning is not thorough enough, the time consumption of middle transmission operation is high, the quartz sand cannot be integrally and rapidly processed, and the overall pickling and soaking efficiency is low. For this reason, a corresponding technical scheme needs to be designed to solve the existing technical problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a continuous acid leaching device for quartz sand production, which solves the problems that: the existing quartz sand is mostly soaked in single pickling during pickling, so that the cleaning is not thorough enough, the time consumption of middle transmission operation is high, the quartz sand cannot be integrally and rapidly processed, and the integral pickling and soaking efficiency is low.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a continuous acid leaching device for quartz sand production comprises a liquid storage box body, a first acid leaching tank horizontally arranged on the right side of the liquid storage box body, a second acid leaching tank vertically arranged at the bottom of the first acid leaching tank, a movable material conveying frame arranged on the right side of the second acid leaching tank and a vibration conveying structure for screening and purifying;
the vibration transmission structure comprises two parallel and vertical stand bars, a transmission frame is arranged at the top of each stand bar, the transmission frame is cuboid, an opening is formed in the left end of the transmission frame, a net-shaped transmission belt is arranged on the inner side of the transmission frame, and a first motor is arranged on the side wall of the transmission frame;
be located the left side of vibration transmission structure is provided with the grudging post frame, the centre of grudging post frame is provided with the dwang, the dwang is connected with the defeated material frame of activity, is located the intermediate position of the defeated material frame of activity is provided with the gangbar, and the top of grudging post frame still is provided with the pneumatic cylinder, the output of pneumatic cylinder is connected with the gangbar, the left side of the defeated material frame of activity is provided with row material port, the left downside of arranging the material port sets up pickling tank one, set up pickling tank two under the pickling tank one.
As a further preferable mode of the present invention, a liquid inlet port is arranged on the left side of the liquid storage tank body, a liquid level display is arranged on the top of the liquid storage tank body, a partition plate is arranged in the middle of the inside of the liquid storage tank body, a first liquid pump is arranged on the top of the partition plate, the output end of the first liquid pump is connected with a liquid pipe, and the terminal of the liquid pipe extends to the top of the first acid leaching tank.
In a further preferable mode of the invention, the bottom of the partition plate is provided with a second liquid pump, and the output end of the second liquid pump is communicated with the two phases of the acid leaching tank through a column tube.
In a further preferred embodiment of the present invention, the first acid leaching tank and the second acid leaching tank are both cylindrical bodies, and the side walls of the first acid leaching tank and the second acid leaching tank are both provided with waste liquid drainage pipes.
As a further preferable mode of the present invention, a cavity is arranged inside the first acid leaching tank, a second motor is arranged in the center of the cavity, the output end of the top of the second motor is connected with a plurality of movable rods, an annular acid leaching tank is arranged outside the first acid leaching tank, a push plate is arranged inside the acid leaching tank, and the push plate is connected with the movable rods.
As a further preferable mode of the present invention, the inner wall of the second acid leaching tank is provided with a plurality of flow guiding pipes, the flow guiding pipes are communicated with the column pipe, a screen plate is arranged inside the second acid leaching tank, and a standby liquid discharging pipe is arranged right below the bottom of the second acid leaching tank.
As a further preferable mode of the invention, a vibration structure is arranged between the stand rod and the transmission frame, the vibration structure comprises a pinch plate and a seat plate, the top of the pinch plate is connected with the bottom of the transmission frame, the bottom of the pinch plate is connected with a pressure rod, the pressure rod is inserted into a groove of the seat plate, and a pressure spring is arranged inside the groove.
(III) advantageous effects
The invention provides a continuous acid leaching device for quartz sand production. The method has the following beneficial effects:
(1) according to the invention, acid liquor is stored and stored through the liquid storage box body, the acid leaching tank I and the acid leaching tank II are respectively added on the right side of the liquid storage box body, raw materials can be conveyed through the vibration conveying structure and are simply shaken and sieved in the conveying process, the raw materials finally enter the movable material conveying frame, the movable material conveying frame is adjusted to incline through the hydraulic cylinder as power, and the raw materials are poured into the acid leaching tank I.
(2) The first liquid pump in the liquid storage tank body can inject acid liquor into the first acid leaching tank, the motor II can drive the raw materials in the acid leaching tank to be mixed and soaked, and after the raw materials are fully soaked, the raw materials can be discharged through the corresponding discharge port at the bottom of the first acid leaching tank and enter the second acid leaching tank.
(3) The raw materials finally enter the second acid leaching tank, acid liquor is conveyed into the second acid leaching tank by the second liquid pump and is discharged through the flow guide pipe, and the whole acid leaching is uniform.
Drawings
FIG. 1 is a schematic overall structure of the present invention;
FIG. 2 is a schematic side view of the present invention in its entirety;
FIG. 3 is a schematic structural diagram of a first acid leaching tank of the present invention;
FIG. 4 is a schematic view of the internal structure of a second pickling tank according to the present invention;
fig. 5 is a schematic structural diagram of the vibrating structure of the present invention.
In the figure, 1, a liquid storage tank body; 2. a first acid leaching tank; 3. a second acid leaching tank; 5. a movable material conveying frame; 6. a stand bar; 7. a transmission frame; 8. a conveyor belt; 9. a first motor; 10. a vertical frame; 11. a linkage rod; 12. a hydraulic cylinder; 13. a liquid inlet port; 14. a liquid level display; 15. a first liquid pump; 16. a liquid pump II; 17. a waste liquid calandria; 18. a second motor; 19. a movable rod; 20. pushing the plate; 21. a flow guide pipe; 22. a screen plate; 23. A standby liquid discharge pipe; 24. buckling the plate; 25. a seat plate; 26. a pressure lever; 27. and (5) pressing a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention provides a technical solution: a continuous acid leaching device for quartz sand production comprises a liquid storage box body 1, a first acid leaching tank 2 horizontally arranged on the right side of the liquid storage box body 1, a second acid leaching tank 3 vertically arranged at the bottom of the first acid leaching tank 2, a movable material conveying frame 5 arranged on the right side of the second acid leaching tank 3 and a vibration conveying structure for screening and purifying; the vibration transmission structure comprises two parallel and vertical stand bars 6, a transmission frame 7 is arranged at the top of each stand bar 6, the transmission frame 7 is cuboid, an opening is formed in the left end of the transmission frame 7, a net-shaped transmission belt 8 is arranged on the inner side of the transmission frame 7, and a first motor 9 is arranged on the side wall of the transmission frame 7; the pickling device is characterized in that a vertical frame 10 is arranged on the left side of the vibration transmission structure, a rotating rod is arranged in the middle of the vertical frame 10 and connected with a movable conveying frame 5, a linkage rod 11 is arranged at the middle position of the movable conveying frame 5, a hydraulic cylinder 12 is further arranged at the top of the vertical frame 10, the output end of the hydraulic cylinder 12 is connected with the linkage rod 11, a material discharging port is formed in the left side of the movable conveying frame 5, a pickling tank I2 is arranged on the lower left side of the material discharging port, and a pickling tank II 3 is arranged under the pickling tank I2.
The left side of the liquid storage box body 1 is provided with liquid inlet port 13, and the top of the liquid storage box body 1 is provided with liquid level display 14, be provided with the division board in the middle of the inside of the liquid storage box body 1, the top of division board is provided with liquid pump 15, the output of liquid pump 15 is connected with the liquid pipe, liquid pipe terminal extends to the top of acid leaching tank 2, can use feed port 13 to send into the acidizing fluid through such design, and liquid level display 14 can show the liquid level simultaneously, and two apothecas can be separated into to the division board of the inside of the liquid storage box body 1, and 15 transferable acidizing fluids of liquid pump are to the inside of acid leaching tank 2.
The bottom of the partition plate is provided with a second liquid pump 16, the output end of the second liquid pump 16 is communicated with the second acid leaching tank 3 through a column tube, and the second liquid pump 16 can be used for conveying acid liquid into the second acid leaching tank 3 through the column tube.
The first acid leaching tank 2 and the second acid leaching tank 3 are both cylindrical bodies, and the side walls of the first acid leaching tank 2 and the second acid leaching tank 3 are both provided with a waste liquid drainage pipe 17, so that waste liquid can be drained through the waste liquid drainage pipe 17.
The pickling tank comprises a pickling tank I2, a motor II 18 is arranged in the center of the pickling tank I2, the output end of the top of the motor II 18 is connected with a plurality of movable rods 19, an annular pickling tank is arranged on the outer side of the pickling tank I2, a push plate 20 is arranged in the pickling tank, the push plate 20 is connected with the movable rods 19, and the motor II 18 can be used for driving the movable rods 19 and the push plate 20 to push raw materials in the pickling tank to move.
The inner wall of the acid leaching tank II 3 is provided with a plurality of guide pipes 21, the guide pipes 21 are communicated with column pipes, a screen plate 22 is arranged inside the acid leaching tank II 3, a standby liquid discharge pipe 23 is arranged right below the bottom of the acid leaching tank II 3, acid liquor can be fully conveyed into the acid leaching tank II 3 through the design and is uniformly soaked with raw materials through the guide pipes 21, meanwhile, the screen plate 22 can be used for screening and filtering, and the standby liquid discharge pipe 23 can be used for discharging waste liquid in a standby mode.
Be provided with vibrating structure between grudging post 6 and the transmission frame 7, vibrating structure is including buckle 24 and bedplate 25, buckle 24 top is connected with transmission frame 7 bottom, the bottom of buckle 24 is connected with depression bar 26, depression bar 26 inserts to the recess of bedplate 25, the inside of recess is provided with pressure spring 27, can use the buckle 24 surplus transmission frame 7 to fix and transmit power for depression bar 26 through such design, and the inside pressure spring 27 of depression bar cooperation recess cushions.
The working principle is as follows: the acid liquor is stored and stored through the liquid storage box body 1, meanwhile, the acid leaching tank I2 and the acid leaching tank II 3 are respectively added on the right side of the liquid storage box body 1, raw materials can be conveyed through a vibration conveying structure and are simply shaken and sieved in the conveying process, the raw materials finally enter the interior of the movable material conveying frame 5, the movable material conveying frame 5 is adjusted to incline through the hydraulic cylinder 12 as power, the raw materials are poured into the interior of the acid leaching tank I2, the acid liquor can be injected into the interior of the acid leaching tank I2 through the liquid pump I15 in the liquid storage box body 1, the raw materials in the acid leaching tank can be driven by the motor II 18 to be mixed and soaked, after full soaking, the raw materials can be discharged through the corresponding discharge port at the bottom of the acid leaching tank I2 and enter the interior of the acid leaching tank II 3, the raw materials finally enter the acid leaching tank II 3, the acid liquor is conveyed into the acid leaching tank II 3 through the liquid pump II 16, the whole acid leaching is relatively uniform after being discharged through the draft tube 21.
The invention 1, a liquid storage tank body; 2. a first acid leaching tank; 3. a second acid leaching tank; 5. a movable material conveying frame; 6. a stand bar; 7. a transmission frame; 8. a conveyor belt; 9. a first motor; 10. a vertical frame; 11. a linkage rod; 12. a hydraulic cylinder; 13. a liquid inlet port; 14. a liquid level display; 15. a first liquid pump; 16. a liquid pump II; 17. a waste liquid calandria; 18. a second motor; 19. a movable rod; 20. pushing the plate; 21. a flow guide pipe; 22. a screen plate; 23. A standby liquid discharge pipe; 24. buckling the plate; 25. a seat plate; 26. a pressure lever; 27. the invention relates to a pressure spring, wherein the components are all universal standard components or components known by technicians in the field, the structure and the principle of the pressure spring are known by technicians through technical manuals or conventional experimental methods, and the pressure spring solves the problems that the cleaning is not thorough due to single pickling and soaking mostly adopted in the pickling process of the existing quartz sand, the middle transmission and operation time is long, the integrated rapid processing cannot be realized, and the overall pickling and soaking efficiency is low. The movable material conveying frame is adjusted to incline, the raw materials are poured into the first acid leaching tank, the first liquid pump in the liquid storage tank body can inject acid liquid into the first acid leaching tank, the raw materials in the acid leaching tank can be driven by the second motor to be mixed and soaked, after the raw materials are fully soaked, the raw materials can be discharged through a corresponding discharge port at the bottom of the first acid leaching tank and enter the second acid leaching tank, the raw materials finally enter the second acid leaching tank, the acid liquid is conveyed into the second acid leaching tank by the second liquid pump and is discharged through a guide pipe, and the whole acid leaching is uniform.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides a quartz sand production is with continuous acid leaching device which characterized in that: the device comprises a liquid storage box body (1), a first acid leaching tank (2) horizontally arranged on the right side of the liquid storage box body (1), a second acid leaching tank (3) vertically arranged at the bottom of the first acid leaching tank (2), a movable material conveying frame (5) arranged on the right side of the second acid leaching tank (3) and a vibration conveying structure for screening and purifying;
the vibration transmission structure comprises two parallel and vertical stand rods (6), a transmission frame (7) is arranged at the top of each stand rod (6), the transmission frame (7) is cuboid, an opening is formed in the left end of the transmission frame (7), a net-shaped transmission belt (8) is arranged on the inner side of the transmission frame (7), and a motor I (9) is arranged on the side wall of the transmission frame (7);
be located the left side of vibration transmission structure is provided with upright frame (10), the centre of upright frame (10) is provided with the dwang, the dwang is connected with movable material conveying frame (5), is located the intermediate position of movable material conveying frame (5) is provided with gangbar (11), and the top of upright frame (10) still is provided with pneumatic cylinder (12), the output of pneumatic cylinder (12) is connected with gangbar (11), the left side of movable material conveying frame (5) is provided with row material port, the left downside of arranging the material port sets up pickling tank (2), set up pickling tank two (3) under pickling tank (2).
2. The continuous acid leaching device for quartz sand production according to claim 1, characterized in that: the left side of the liquid storage box body (1) is provided with a liquid inlet port (13), the top of the liquid storage box body (1) is provided with a liquid level display (14), a partition plate is arranged in the middle of the inside of the liquid storage box body (1), the top of the partition plate is provided with a liquid pump I (15), the output end of the liquid pump I (15) is connected with a liquid pipe, and the liquid pipe terminal extends to the top of the acid leaching tank I (2).
3. The continuous acid leaching device for quartz sand production according to claim 2, characterized in that: and the bottom of the partition plate is provided with a second liquid pump (16), and the output end of the second liquid pump (16) is communicated with the second acid leaching tank (3) through a column tube.
4. The continuous acid leaching device for quartz sand production according to claim 1, characterized in that: the first acid leaching tank (2) and the second acid leaching tank (3) are both cylindrical bodies, and waste liquid draining pipes (17) are arranged on the side walls of the first acid leaching tank (2) and the second acid leaching tank (3).
5. The continuous acid leaching device for quartz sand production according to claim 4, characterized in that: the pickling tank comprises a pickling tank I (2), wherein a cavity is formed in the pickling tank I (2), a motor II (18) is arranged in the center of the cavity, the output end of the top of the motor II (18) is connected with a plurality of movable rods (19), an annular pickling tank is arranged on the outer side of the pickling tank I (2), a push plate (20) is arranged in the pickling tank, and the push plate (20) is connected with the movable rods (19).
6. The continuous acid leaching device for quartz sand production according to claim 1, characterized in that: a plurality of guide pipes (21) are arranged on the inner wall of the second acid leaching tank (3), the guide pipes (21) are communicated with the column pipe, a screen plate (22) is arranged inside the second acid leaching tank (3), and a standby liquid discharge pipe (23) is arranged right below the bottom of the second acid leaching tank (3).
7. The continuous acid leaching device for quartz sand production according to claim 1, characterized in that: be provided with vibrating structure between grudging post (6) and transmission frame (7), vibrating structure is including buckle (24) and bedplate (25), buckle (24) top is connected with transmission frame (7) bottom, the bottom of buckle (24) is connected with depression bar (26), depression bar (26) insert to the recess of bedplate (25) in, the inside of recess is provided with pressure spring (27).
CN202110396098.7A 2021-04-13 2021-04-13 Continuous acid leaching device for quartz sand production Pending CN113510112A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110396098.7A CN113510112A (en) 2021-04-13 2021-04-13 Continuous acid leaching device for quartz sand production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110396098.7A CN113510112A (en) 2021-04-13 2021-04-13 Continuous acid leaching device for quartz sand production

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Publication Number Publication Date
CN113510112A true CN113510112A (en) 2021-10-19

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CN211252619U (en) * 2019-10-10 2020-08-14 牛宇翔 Conveyer for coal mining with wash stoving effect
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CN211636933U (en) * 2019-12-31 2020-10-09 新沂市宝群石英有限公司 Quartz purification device
CN112520743A (en) * 2020-12-25 2021-03-19 南京工业大学东海先进硅基材料研究院 Continuous three-stage quartz sand pickling device
CN112570362A (en) * 2020-11-25 2021-03-30 湖南金三星煤机制造有限公司 Cleaning pool for scrap steel recovery

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203972364U (en) * 2014-04-18 2014-12-03 新沂市晶润石英材料有限公司 A kind of device of cleaning of quartz sand
CN205282452U (en) * 2015-12-10 2016-06-01 重庆凯西驿电子科技有限公司 Diode acid dip pickle
CN206485954U (en) * 2017-01-21 2017-09-12 天津市武清区建筑工程总公司 A kind of sandstone conveying device
CN108526019A (en) * 2018-06-01 2018-09-14 江苏奥赛斯现代农业科技有限公司 A kind of quartz production high-efficient deferrization device
CN108856049A (en) * 2018-06-19 2018-11-23 四川深源钼业科技股份有限公司 A kind of mineral products sale detection cleaning device
CN209210404U (en) * 2018-09-18 2019-08-06 龙川县明昊石英新材料有限公司 A kind of material whiteness purifying plant
CN209974463U (en) * 2019-03-20 2020-01-21 临沂昊泉硅业科技有限公司 Quartz sand purification pickling waste liquid treatment device
CN210160057U (en) * 2019-06-23 2020-03-20 江苏德鑫新材料科技有限公司 Pickling unit is used in processing of high-purity quartz sand
CN110455607A (en) * 2019-08-13 2019-11-15 兰州高斯年代岩石矿物分选技术服务有限公司 A kind of purification device for quartz sand
CN211252619U (en) * 2019-10-10 2020-08-14 牛宇翔 Conveyer for coal mining with wash stoving effect
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CN112570362A (en) * 2020-11-25 2021-03-30 湖南金三星煤机制造有限公司 Cleaning pool for scrap steel recovery
CN112520743A (en) * 2020-12-25 2021-03-19 南京工业大学东海先进硅基材料研究院 Continuous three-stage quartz sand pickling device

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Application publication date: 20211019