CN102029271A - Quartz sand purifying and cleaning device and technique - Google Patents
Quartz sand purifying and cleaning device and technique Download PDFInfo
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- CN102029271A CN102029271A CN 201010534672 CN201010534672A CN102029271A CN 102029271 A CN102029271 A CN 102029271A CN 201010534672 CN201010534672 CN 201010534672 CN 201010534672 A CN201010534672 A CN 201010534672A CN 102029271 A CN102029271 A CN 102029271A
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Abstract
The invention relates to a quartz sand purifying and cleaning device which is characterized in that the device comprises a tank body that is also connected with an upper sealing cover and a lower sealing head, wherein the upper sealing cover is provided with a feeder, a liquid feed hole, a sight glass hole, an emptying hole and a heating vent hole; the tank body is also internally provided with a heating vent pipe which extends outside the upper sealing cover through the heating vent hole and is connected with an external heat source by a pipeline; the liquid feed hole is internally provided with a water inlet pipe and an acid liquor inlet pipe; the lower sealing head is provided with a filtering hole and a discharge hole; and the discharge hole is connected with a back flush hole. The invention also discloses a quartz sand purifying and cleaning method. When in operation, the quartz sand purifying and cleaning device is free from mechanical wear in the tank body, thus prolonging the service life of the device and avoiding secondary pollution caused by mechanical agitation; acid-washing, water-washing and filtering are carried out in the same tank body, so that the operation procedures are simplified, the operation period is shortened, and the production efficiency is improved; airtight operation is utilized to further guarantee the purity of the products; and direct heating is also adopted to accelerate mass transfer and the speed of cleaning.
Description
Technical field
The present invention relates to a kind of cleaning device, particularly a kind of quartz sand is carried out technical process such as purification, cleaning, filtration is the quartz sand purification cleaning device of one; The invention still further relates to the technology of using this cleaning device to purify and clean.
Background technology
For many years, clean the good device of neither one for the purification of high rigidity quartz sand, mostly adopt workshop-based batch (-type) to fall behind technology, not only labour intensity is big, and efficient is low, the more important thing is that product quality can not stablize control, can not satisfy the requirement of high-purity material.Based on this, some improvement technology and schemes have successively appearred.China's publication document 200420121258.9 is designed to do to make materials overturning perpendicular to the rotation on ground by tank body, reaches the purpose of dynamic cleaning.This design can realization response, cleaning and filtration operation are carried out at same tank body.This device can reduce the huge wearing and tearing that mechanical agitation produces, but will allow the well-balanced and better control of the very heavy tank body that cleaning agent and material to be cleaned are housed of quality ground rotate not a duck soup, consume very big power, increasing energy consumption; Input and output material is a mouth, and operation is trouble quite; Filter screen is arranged on tank interior, is not easy to safeguard and replacing; Also have the drawback of a maximum to be exactly, before each input and output material, all pipelines will be disconnected and the disengaging tank body, so that can allow the circular motion of tank body work perpendicular to ground.And each the cleaning finishes, when entering next clean cycle, must be again with all pipelines with on tank body is connected, operate not only loaded down with trivial details, and cause easily and clean material and reagent appearance " run, leak, emit " phenomenon, cause security incident easily, there is not too big industrial applicibility.
China's publication document 200620069659.3 has similarity with Chinese publication document 200420121258.9, and that is exactly that the tank body both sides are installed on the support of being with rotating shaft and can rotate.The mechanical agitator of band blade is installed in China's publication document 200620069659.3 devices, and the friction with quartz sand in the cleaning process is very big, and serious wear can cause secondary pollution to material.
China's publication document 02205792.7 is a kind of filter response, the band mechanical stirring device, filter is arranged on the inner tank wall, adopts titanium lined material and two-layer titanium material to filter clamping plate, filter area is greatly its advantage, and it is its shortcoming that the replacing of screen pack will have very big difficulty.Adopt mechanical agitation can produce big wearing and tearing for the big quartz sand of hardness.This equipment adopts titanium material manufacture difficulty big simultaneously, involves great expense, and investment is high.And above public technology all adopts the chuck heating, and mass transfer is slow, influences production efficiency.
Summary of the invention
Technical problem to be solved by this invention is at the deficiencies in the prior art, provides a kind of structure more reasonable, and low cost of manufacture is easy to maintenance, workable, clean refining effect good quartz sand purification cleaning device.
Another technical problem to be solved by this invention has provided a kind of technology of using above-mentioned quartz sand purification cleaning device to carry out quartz sand purification cleaning.
Technical problem to be solved by this invention is to realize by following technical scheme.The present invention is a kind of quartz sand purification cleaning device, be characterized in: it is provided with tank body, be connected with upper cover and low head on the tank body, upper cover is connected with tank body by flange, sealing ring and securing member, upper cover is provided with feeder, liquid inlet opening, visor mouth, evacuation port and heating blow vent, also be provided with the heating breather pipe in the tank body, the heating breather pipe through the heating blow vent stretch out upper cover and by pipeline with outside thermal source be connected; Be provided with water inlet pipe in the described liquid inlet opening and advance the acid solution pipe, water inlet pipe is connected with the water source, advances the acid solution pipe and is connected with acid accumulator storage; Low head is provided with and filters mouth and discharge gate, is connected with the backwash mouth on the discharge gate, and the backwash mouth is connected with hopper by pipeline, and discharge gate is connected with bank by marker pipe; Described tank body is provided with liquid outlet, sweeps mouthpiece and leakage fluid dram, and it also is provided with circulating pump, circulating pump by pipeline respectively with liquid outlet, sweep mouthpiece and be connected; Also be provided with the filtration mouth of band filter on tank body, also be provided with leakage fluid dram on low head, described filtration mouth all is connected with waste water storage tank by pipeline with leakage fluid dram.
Technical problem to be solved by this invention can also further realize by following technical scheme.Above-described quartz sand purification cleaning device is characterized in: the described mouthpiece of sweeping is 2～4, is uniformly distributed on the tank body bottom that is in same horizontal plane.
Technical problem to be solved by this invention can also further realize by following technical scheme.Above-described quartz sand purification cleaning device is characterized in: the described mouthpiece of sweeping becomes 30 ℃～60 ℃ acute angles with tank body.
Technical problem to be solved by this invention can also further realize by following technical scheme.Above-described quartz sand purification cleaning device, be characterized in: described waste water storage tank feeds tank body by pipeline through liquid inlet opening; Waste water storage tank also is connected with Waste Water Treatment.Like this, can recovery section clean or Acidwash solution carries out recycling.Carry out wastewater treatment by set Waste Water Treatment.
Technical problem to be solved by this invention can also further realize by following technical scheme.Above-described quartz sand purification cleaning device is characterized in: described discharge gate be positioned at low head under.
Technical problem to be solved by this invention can also further realize by following technical scheme.Above-described quartz sand purification cleaning device is characterized in: the tank skin of described tank body constitutes by 3 layer materials are compound, and the intermediate layer is a steel body supporting layer, and internal layer is the anticorrosive material layer, and skin is the anti-corrosive thermal insulation material layer; The structural pipe wall of described heating breather pipe is identical with the tank skin structure of tank body.
Technical problem to be solved by this invention can also further realize by following technical scheme.Above-described quartz sand purification cleaning device is characterized in: described internal layer is polytrifluorochloroethylene layer or polytetrafluoroethylene floor; Described outer corrosion-resistant thermal insulation dope layer or corrosion-resistant thermal insulation fibrage; Internal layer and the outer mode that all adopts lining and be coated with are provided with.Described corrosion-resistant thermal insulation coating, corrosion-resistant thermal insulation fiber can be for being disclosed any corrosion-resistant thermal insulation coating of the present invention, corrosion-resistant thermal insulation fiber of being adapted in the prior art.
Technical problem to be solved by this invention can also further realize by following technical scheme.Above-described quartz sand purification cleaning device is characterized in: described filtration mouth is provided with 2 filters, is placed with screen pack in 2 filters; The plate body structure of described filter is identical with the tank skin structure of tank body, and evenly is covered with the filtering holes that diameter is 5～10mm on filter; Described screen pack is the screen pack that tetrafluoro screen pack or other corrosion resistant materials are made.
Technical problem to be solved by this invention can also further realize by following technical scheme.The present invention is the technology that a kind of purification cleaning device in order to last any one described quartz sand carries out the purification cleaning of quartz sand, is characterized in that its step is as follows:
(1) opens evacuation port and be in open state all the time by it; Then pending quartz sand is entered in the tank body by feeder; With water and acid solution or other cleaning solutions in liquid inlet opening feeds tank body; The solid-to-liquid ratio of quartz sand and cleaning solution is 1～2:1, adds the 70-75% of solid-liquid overall control at the tank body volume; Reinforced finishing, the ON cycle pump is opened liquid outlet and is swept mouthpiece, and circulating pump is constantly extracted the liquid in the tank body, squeeze in the tank body via sweeping mouthpiece out again by liquid outlet, makes the material stirring suspension in the tank body; It adopts intermittent mode, stops behind the every operation of the circulating pump 2-5min, makes material leave standstill 2-5min ON cycle pump again; During operation, open the backwash mouth and squeeze into an amount of water under high pressure, open the heating breather pipe material is heated, heating and temperature control is at 80-90 ℃, and the whole washing and cleaning operation time is 3-8h;
(2) after the end of job, close the heating breather pipe, close circulating pump, liquid outlet and sweep mouthpiece; Standing sedimentation 10-30min opens leakage fluid dram, emits supernatant liquor, closes leakage fluid dram then, opens to filter mouthful, drains to close behind the cleaning solution to filter mouthful; Pass through rinse water again in tank body, the weight ratio of rinse water and quartz sand is 1～2:1, the ON cycle pump, flushing 2-5min closes circulating pump, adopts preceding method to drain rinse water, add water repetitive operation several times again, the rinse water of emitting up to leakage fluid dram is neutrality and promptly stops washing operation; Open discharge gate at last and discharge material, open the backwash mouth and squeeze into an amount of high pressure water washing and sweep clean discharge gate material, thereby finish the purification cleaning process of quartz sand; The cleaning solution or the rinse water of discharging are recycling as required.
Compared with prior art, apparatus of the present invention and technology thereof have following advantage:
1, do not have the machinery wearing and tearing during operation in the tank body, prolonged the service life of equipment, wall has been exempted from the secondary pollution that mechanical agitation is brought.
2, pickling, washing and filtration are carried out in same tank body, have simplified operation sequence, shorten duty cycle, enhance productivity; Airtight operation has further guaranteed product purity;
3, directly heating can be accelerated mass transfer, accelerates cleaning reaction speed.
4, apparatus of the present invention and technology have good industrial applicibility, and the mode of production of low-cost high-efficiency can fully guarantee semiconductor and electron level quartz sand quality.This device and technology also can be used for other chemical reaction fields simultaneously.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention.
The specific embodiment
Following with reference to accompanying drawing, further describe concrete technical scheme of the present invention, so that those skilled in the art understands the present invention further, and do not constitute restriction to its right.
Embodiment 1.With reference to Fig. 1.A kind of quartz sand purification cleaning device: it is provided with tank body 7, be connected with upper cover 2 and low head 13 on the tank body 7, upper cover 2 is connected with tank body 7 by flange, sealing ring and securing member, upper cover 2 is provided with feeder 1, liquid inlet opening, visor mouth, evacuation port and heating blow vent, also be provided with in the tank body 7 heating breather pipe 17, the heating breather pipe 17 through the heating blow vent stretch out upper cover 2 and by pipeline with outside thermal source be connected; Be provided with water inlet pipe 3 in the described liquid inlet opening and advance acid solution pipe 5, water inlet pipe 3 is connected with the water source, advances acid solution pipe 5 and is connected with acid accumulator storage 4; Low head 13 is provided with and filters mouth 11 and discharge gate 14, is connected with backwash mouth 19 on the discharge gate 14, and backwash mouth 19 is connected with hopper 15 by pipeline, and discharge gate 14 is connected with bank 12 by marker pipe; Described tank body 7 is provided with liquid outlet 18, sweeps mouthpiece 6 and leakage fluid dram 8, and it also is provided with circulating pump 16, circulating pump 16 by pipeline respectively with liquid outlet 18, sweep mouthpiece 6 and be connected; Also be provided with the filtration mouth 11 of band filter on tank body 7, also be provided with leakage fluid dram 8 on low head 13, described filtrations mouth 11 all is connected with waste water storage tank 9 by pipeline with leakage fluid dram 8.
Embodiment 2.In the embodiment 1 described quartz sand purification cleaning device: described to sweep mouthpiece 6 be 4, is uniformly distributed on tank body 7 bottoms that are in same horizontal plane; The described 7 one-tenth 30 ℃ of ℃ of acute angles of mouthpiece 6 and tank body of sweeping.
Embodiment 3.In the embodiment 1 described quartz sand purification cleaning device: described to sweep mouthpiece 6 be 3, is uniformly distributed on tank body 7 bottoms that are in same horizontal plane; The described 7 one-tenth 60 ℃ of acute angles of mouthpiece 6 and tank body of sweeping.
Embodiment 4.In the embodiment 1 described quartz sand purification cleaning device: described to sweep mouthpiece 6 be 3, is uniformly distributed on tank body 7 bottoms that are in same horizontal plane; The described 7 one-tenth 45 ℃ of acute angles of mouthpiece 6 and tank body of sweeping.
Embodiment 5.In any one described quartz sand purification cleaning device of embodiment 1-4: described waste water storage tank 9 feeds tank body 7 by pipeline through liquid inlet opening; Waste water storage tank 9 also is connected with Waste Water Treatment 10.
Embodiment 6.In any one described quartz sand purification cleaning device of embodiment 1-5: described discharge gate 14 be positioned at low head 13 under.
Embodiment 7.In any one described quartz sand purification cleaning device of embodiment 1-6: the tank skin of described tank body constitutes by 3 layer materials are compound, and the intermediate layer is a steel body supporting layer, and internal layer is the anticorrosive material layer, and skin is the anti-corrosive thermal insulation material layer; The structural pipe wall of described heating breather pipe is identical with the tank skin structure of tank body.
Embodiment 8.In the embodiment 7 described quartz sand purification cleaning devices: described internal layer is polytrifluorochloroethylene layer or polytetrafluoroethylene floor; Described outer corrosion-resistant thermal insulation dope layer or corrosion-resistant thermal insulation fibrage; Internal layer and the outer mode that all adopts lining and be coated with are provided with.
Embodiment 9.In embodiment 7 or the 8 described quartz sand purification cleaning devices: described filtration mouth 11 is provided with 2 filters, is placed with screen pack in 2 filters; The plate body structure of described filter is identical with the tank skin structure of tank body, and evenly is covered with the filtering holes that diameter is 5～10mm on filter; Described screen pack is the screen pack that tetrafluoro screen pack or other corrosion resistant materials are made.
Embodiment 10.A kind of purification cleaning device with any one described quartz sand of embodiment 1-9 carries out the technology of the purification cleaning of quartz sand, and its step is as follows:
(1) opens evacuation port and be in open state all the time by it; Then pending quartz sand is entered in the tank body 7 by feeder 1; With water and acid solution or other cleaning solutions in liquid inlet opening feeds tank body 7; The solid-to-liquid ratio of quartz sand and cleaning solution is 1～2:1, adds the 70-75% of solid-liquid overall control at tank body 7 volumes; Reinforced finishing, ON cycle pump 16 is opened liquid outlet 18 and is swept mouthpiece 6, and circulating pump 16 is constantly extracted the liquid in the tank body 7, squeeze in the tank body 7 via sweeping mouthpiece 6 out again by liquid outlet 18, makes the material stirring suspension in the tank body 7; It adopts intermittent mode, stops behind circulating pump 16 every operation 2-5min, makes material leave standstill 2-5min ON cycle pump 16 again; During operation, open backwash mouth 19 and squeeze into an amount of water under high pressure, open 17 pairs of materials of heating breather pipe and heat, heating and temperature control is at 80-90 ℃, and the whole washing and cleaning operation time is 3-8h;
(2) after the end of job, close heating breather pipe 17, close circulating pump 16, liquid outlet 18 and sweep mouthpiece 6; Standing sedimentation 10-30min opens leakage fluid dram 8, emits supernatant liquor, closes leakage fluid dram 8 then, opens and filters mouthfuls 11, drains to close behind the cleaning solution to filter mouthfuls 11; In tank body 7, pass through rinse water again, the weight ratio of rinse water and quartz sand is 1～2:1, ON cycle pump 16, flushing 2-5min, close circulating pump 16, adopt preceding method to drain rinse water, add water repetitive operation several times again, the rinse water of emitting up to leakage fluid dram 8 is neutrality and promptly stops washing operation; Open discharge gate 14 at last and discharge materials, open backwash mouth 19 and squeeze into an amount of high pressure water washing and sweep clean discharge gate 14 materials, thereby finish the purification cleaning process of quartz sand; The cleaning solution or the rinse water of discharging are recycling as required.
Claims (9)
1. quartz sand purification cleaning device, it is characterized in that: it is provided with tank body (7), be connected with upper cover (2) and low head (13) on the tank body (7), upper cover (2) is connected with tank body (7) by flange, sealing ring and securing member, upper cover (2) is provided with feeder (1), liquid inlet opening, visor mouth, evacuation port and heating blow vent, also be provided with in the tank body (7) heating breather pipe (17), the heating breather pipe (17) through the heating blow vent stretch out upper cover (2) and by pipeline with outside thermal source be connected; Be provided with water inlet pipe (3) in the described liquid inlet opening and advance acid solution pipe (5), water inlet pipe (3) is connected with the water source, advances acid solution pipe (5) and is connected with acid accumulator storage (4); Low head (13) is provided with and filters mouthful (11) and a discharge gate (14), be connected with backwash mouth (19) on the discharge gate (14), backwash mouth (19) is connected with hopper (15) by pipeline, and discharge gate (14) is connected with bank (12) by marker pipe; Described tank body (7) is provided with liquid outlet (18), sweeps mouthpiece (6) and leakage fluid dram (8), and it also is provided with circulating pump (16), circulating pump (16) by pipeline respectively with liquid outlet (18), sweep mouthpiece (6) and be connected; Also be provided with the filtration mouth (11) of band filter on tank body (7), also be provided with leakage fluid dram (8) on low head (13), described filtration mouthful (11) all is connected with waste water storage tank (9) by pipeline with leakage fluid dram (8).
2. quartz sand purification cleaning device according to claim 1 is characterized in that: described to sweep mouthpiece (6) be 2～4, is uniformly distributed on tank body (7) bottom that is in same horizontal plane.
3. quartz sand purification cleaning device according to claim 1 is characterized in that: the described mouthpiece (6) of sweeping becomes 30 ℃～60 ℃ acute angles with tank body (7).
4. quartz sand purification cleaning device according to claim 1 is characterized in that: described waste water storage tank (9) feeds tank body (7) by pipeline through liquid inlet opening; Waste water storage tank (9) also is connected with Waste Water Treatment (10).
5. quartz sand purification cleaning device according to claim 1 is characterized in that: described discharge gate (14) be positioned at low head (13) under.
6. quartz sand purification cleaning device according to claim 1 is characterized in that: the tank skin of described tank body constitutes by 3 layer materials are compound, and the intermediate layer is a steel body supporting layer, and internal layer is the anticorrosive material layer, and skin is the anti-corrosive thermal insulation material layer; The structural pipe wall of described heating breather pipe is identical with the tank skin structure of tank body.
7. quartz sand purification cleaning device according to claim 6 is characterized in that: described internal layer is polytrifluorochloroethylene layer or polytetrafluoroethylene floor; Described outer corrosion-resistant thermal insulation dope layer or corrosion-resistant thermal insulation fibrage; Internal layer and the outer mode that all adopts lining and be coated with are provided with.
8. according to claim 5 or 6 described quartz sand purification cleaning devices, it is characterized in that: described filtration mouthful (11) is provided with 2 filters, is placed with screen pack in 2 filters; The plate body structure of described filter is identical with the tank skin structure of tank body, and evenly is covered with the filtering holes that diameter is 5～10mm on filter; Described screen pack is the screen pack that tetrafluoro screen pack or other corrosion resistant materials are made.
9. the purification cleaning device with any one described quartz sand of claim 1-7 carries out the technology that the purification of quartz sand is cleaned, and it is characterized in that its step is as follows:
(1) opens evacuation port and be in open state all the time by it; Then pending quartz sand is entered in the tank body (7) by feeder (1); With water and acid solution or other cleaning solutions in liquid inlet opening feeds tank body (7); The solid-to-liquid ratio of quartz sand and cleaning solution is 1～2:1, adds the 70-75% of solid-liquid overall control at tank body (7) volume; Reinforced finishing, ON cycle pump (16), open liquid outlet (18) and sweep mouthpiece (6), circulating pump (16) is constantly extracted the liquid in the tank body (7), squeeze in the tank body (7) via sweeping mouthpiece (6) out again by liquid outlet (18), makes the material stirring suspension in the tank body (7); It adopts intermittent mode, stops behind the every operation of circulating pump (16) 2-5min, makes material leave standstill 2-5min ON cycle pump (16) again; During operation, open backwash mouth (19) and squeeze into an amount of water under high pressure, open heating breather pipe (17) material is heated, heating and temperature control is at 80-90 ℃, and the whole washing and cleaning operation time is 3-8h;
(2) after the end of job, close heating breather pipe (17), close circulating pump (16), liquid outlet (18) and sweep mouthpiece (6); Standing sedimentation 10-30min opens leakage fluid dram (8), emits supernatant liquor, closes leakage fluid dram (8) then, opens and filters mouthful (11), drains to close behind the cleaning solution to filter mouthful (11); In tank body (7), pass through rinse water again, the weight ratio of rinse water and quartz sand is 1～2:1, ON cycle pump (16), flushing 2-5min, close circulating pump (16), adopt preceding method to drain rinse water, add water repetitive operation several times again, the rinse water of emitting up to leakage fluid dram (8) is neutrality and promptly stops washing operation; Open discharge gate (14) at last and discharge material, open backwash mouth (19) and squeeze into an amount of high pressure water washing and sweep clean discharge gate (14) material, thereby finish the purification cleaning process of quartz sand; The cleaning solution or the rinse water of discharging are recycling as required.
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| CN2010105346722A CN102029271B (en) | 2010-11-08 | 2010-11-08 | Quartz sand purifying and cleaning device and technique |
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| CN2010105346722A CN102029271B (en) | 2010-11-08 | 2010-11-08 | Quartz sand purifying and cleaning device and technique |
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| CN102029271A true CN102029271A (en) | 2011-04-27 |
| CN102029271B CN102029271B (en) | 2012-05-02 |
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| CN102225407A (en) * | 2011-05-16 | 2011-10-26 | 蚌埠鑫源石英材料有限公司 | Method for cleaning quartz sands |
| CN102259870A (en) * | 2011-05-12 | 2011-11-30 | 田辉明 | Purifying and pickling device for high-purity quartz sand |
| CN102814306A (en) * | 2012-09-12 | 2012-12-12 | 成都纳硕科技有限公司 | Method for removing quartz sand impurities |
| CN105060300A (en) * | 2015-07-20 | 2015-11-18 | 田晋丞 | Quartz sand purification method and device |
| CN105149278A (en) * | 2015-10-14 | 2015-12-16 | 大亚湾核电运营管理有限责任公司 | Chemical cleaning decontamination equipment of nuclear power plant |
| CN107225117A (en) * | 2016-03-25 | 2017-10-03 | 内蒙古蒙牛乳业（集团）股份有限公司 | The cleaning device and cleaning method of sea sand |
| CN107937717A (en) * | 2017-12-21 | 2018-04-20 | 李本根 | It is a kind of to facilitate cleaning-type temperature adjustment device for rare earth feed liquid |
| CN109731846A (en) * | 2019-02-13 | 2019-05-10 | 中钛集团焦作市裕盛钛业有限公司 | Full-automatic elution instrument and its application method |
| CN114288719A (en) * | 2021-12-29 | 2022-04-08 | 新沂市紫金硅业有限公司 | Quartz sand filtering and purifying equipment |
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| CN102259870A (en) * | 2011-05-12 | 2011-11-30 | 田辉明 | Purifying and pickling device for high-purity quartz sand |
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| CN102225407A (en) * | 2011-05-16 | 2011-10-26 | 蚌埠鑫源石英材料有限公司 | Method for cleaning quartz sands |
| CN102814306A (en) * | 2012-09-12 | 2012-12-12 | 成都纳硕科技有限公司 | Method for removing quartz sand impurities |
| CN105060300A (en) * | 2015-07-20 | 2015-11-18 | 田晋丞 | Quartz sand purification method and device |
| CN105149278A (en) * | 2015-10-14 | 2015-12-16 | 大亚湾核电运营管理有限责任公司 | Chemical cleaning decontamination equipment of nuclear power plant |
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| CN107225117A (en) * | 2016-03-25 | 2017-10-03 | 内蒙古蒙牛乳业（集团）股份有限公司 | The cleaning device and cleaning method of sea sand |
| CN107937717A (en) * | 2017-12-21 | 2018-04-20 | 李本根 | It is a kind of to facilitate cleaning-type temperature adjustment device for rare earth feed liquid |
| CN109731846A (en) * | 2019-02-13 | 2019-05-10 | 中钛集团焦作市裕盛钛业有限公司 | Full-automatic elution instrument and its application method |
| CN109731846B (en) * | 2019-02-13 | 2021-12-31 | 中钛集团焦作市裕盛钛业有限公司 | Full-automatic elution instrument and use method thereof |
| CN114288719A (en) * | 2021-12-29 | 2022-04-08 | 新沂市紫金硅业有限公司 | Quartz sand filtering and purifying equipment |
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