CN208250023U - A kind of wastewater from chemical industry high-efficient purification filter device - Google Patents

A kind of wastewater from chemical industry high-efficient purification filter device Download PDF

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Publication number
CN208250023U
CN208250023U CN201820071821.8U CN201820071821U CN208250023U CN 208250023 U CN208250023 U CN 208250023U CN 201820071821 U CN201820071821 U CN 201820071821U CN 208250023 U CN208250023 U CN 208250023U
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China
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fixedly connected
rose box
cabinet
wastewater
chemical industry
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CN201820071821.8U
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Chinese (zh)
Inventor
郭骄阳
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Jiangsu Jiyi New Materials Co Ltd
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Jiangsu Jiyi New Materials Co Ltd
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Abstract

The utility model discloses a kind of wastewater from chemical industry high-efficient purification filter devices, including Rose Box, the bottom of the Rose Box is fixedly connected with cabinet, screw rod is rotatably connected at the top of the filtering box cavity, the bottom end of the screw rod sequentially passes through Rose Box and cabinet and extends to the inside of cabinet, and the bottom end of screw rod is connect with the lower rotation of cabinet inner cavity, the surface of the screw rod and be located at Rose Box internal whorl be connected with thread bush, be related to technical field of waste water processing.The wastewater from chemical industry high-efficient purification filter device, cooperates using with thread bush, filter cylinder can be made to go up and down, when filter cylinder declines, filter plate can be made to turn to using the resistance of water connected, impurity can be pushed into elder generation of lower layer cleaning part impurity, impurity when discharge is avoided excessively to result in blockage, to improve filter effect, and when filter cylinder rising, filter plate can be made to separate using the resistance of water, avoid taking impurity into upper layer to, and water can be stirred, it is sufficiently mixed precipitating reagent with waste water.

Description

A kind of wastewater from chemical industry high-efficient purification filter device
Technical field
The utility model relates to technical field of waste water processing, specially a kind of wastewater from chemical industry high-efficient purification filter device.
Background technique
Waste water refers to the general name of the water being discharged in resident's active procedure and runoff rainwater.It includes sanitary sewage, Industry Waste Water and first rain diameter flow into other useless water such as sewer, refer generally to be unable to after certain technical treatment recycling or The water that certain standard is not achieved in pure processing difficulty is made after level-one pollution, and industrial wastewater harm is maximum in waste water, harm includes: Industrial wastewater flows directly into channel, rivers, lake pollution surface water, if be more toxic will lead to aquatic animals and plants it is dead very To disappearance;Industrial wastewater is also possible to penetrate into underground water, polluted underground water, if nearby residents using contaminated surface water or Underground water can endanger health as domestic water, and severe one is dead;Industrial wastewater penetrates into soil, causes soil pollution, influences The growth of plant and Soil Microorganism;Some industrial wastewaters also have unpleasant stench, pollute air;Having in industrial wastewater Malicious harmful substance can be remained in vivo by ingesting for animals and plants with absorption, then be reached in human body by food chain, to people Body causes damages.
Existing wastewater filtering device is that waste water is discharged after precipitating, while to contaminant filter, but impurity is excessive When easily cause blocking, the efficiency for having delayed waste water to be discharged thereby reduces working efficiency, and needs frequent cleaning discharge outlet, It is time-consuming and laborious.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of wastewater from chemical industry high-efficient purification filter device, solves The problem of impurity excessively easily causes blocking, has delayed waste water expulsion efficiency when existing wastewater filtering device discharge waste water.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of wastewater from chemical industry is efficiently net Change filter device, including Rose Box, the bottom of the Rose Box is fixedly connected with cabinet, the top rotation of the filtering box cavity It is connected with screw rod, the bottom end of the screw rod sequentially passes through Rose Box and cabinet and extends to the inside of cabinet, and the bottom end of screw rod Connect with the lower rotation of cabinet inner cavity, the surface of the screw rod and be located at Rose Box internal whorl be connected with thread bush, institute The outer surface for stating thread bush, which is fixed by the bracket, is connected with filter cylinder, and the outer surface of filter cylinder and the inner wall of Rose Box are slidably connected, Fixing axle is fixedly connected between the inner surface and bracket of the filter cylinder, the surface of the fixing axle is arranged with filter plate, described solid The surface of dead axle is fixedly connected with limited block, and the inside of the cabinet is from left to right fixedly connected sequentially and has first motor and second Motor.
Preferably, the right end of the first motor output shaft is fixedly connected with first bevel gear, the surface of the screw rod and It is fixedly connected with second bevel gear positioned at the inside of cabinet, and the side of second bevel gear and first bevel gear are intermeshed.
Preferably, the right side of the cabinet is fixedly connected with piston cylinder by fixing sleeve, and the nose threads of piston cylinder connect It is connected to end cap, the internal slide of the piston cylinder is connected with first piston, and the front of first piston is fixedly connected with push rod.
Preferably, the front end of the push rod runs through end cap and extends to the front of end cap, and the front end rotation connection of push rod There is connecting rod.
Preferably, the right end of second motor output shaft runs through cabinet and extends to the right side of cabinet, second electricity The right end of machine output shaft is fixedly connected with cam, and the left pivot movement of the right side of cam and connecting rod connects.
Preferably, the rear end of the piston cylinder has been sequentially communicated drainpipe and water inlet pipe from top to bottom, and drainpipe with into The surface of water pipe has been respectively fixedly connected with the first check valve and second one-way valve, the inside of the piston cylinder and is located at drainpipe Front is fixedly connected with strainer, and the drainpipe is connected to the right side of Rose Box with the top of water inlet pipe.
Preferably, the left side at the top of the Rose Box is fixedly connected with spray tank, and the internal slide of spray tank is connected with Second piston, the top of the spray tank, which is run through, drug-feeding tube, and the bottom end of drug-feeding tube through second piston and extends to second The lower section of piston is fixedly connected with pull rod at the top of the second piston.
Preferably, the top of the pull rod runs through spray tank and extends to the top of spray tank, and the top of pull rod is fixed It is connected with connection frame, the lower section on the right side of the spray tank is communicated with drug discharging tube, and the bottom end of the drug discharging tube through Rose Box and is prolonged It extends to the inside of Rose Box, the surface of the drug discharging tube and is located above Rose Box and is fixedly connected with Unidirectional solenoid valve.
Preferably, the top of the Rose Box is hinged with case lid by hinge, and filler pipe is communicated at the top of case lid, institute It states the lower section on the left of Rose Box and is communicated with filter cartridge, outlet pipe is communicated on the left of the filter cartridge, and fixed company on outlet pipe It is connected to valve, the quadrangle of the chassis bottom is fixedly connected to stabilizer blade.
(3) beneficial effect
The utility model provides a kind of wastewater from chemical industry high-efficient purification filter device.Have it is following the utility model has the advantages that
(1), wastewater from chemical industry high-efficient purification filter device, by the surface of screw rod and positioned at the internal whorl of Rose Box It is connected with thread bush, the outer surface of thread bush, which is fixed by the bracket, is connected with filter cylinder, and the outer surface of filter cylinder and Rose Box is interior Wall is slidably connected, and fixing axle is fixedly connected between the inner surface and bracket of filter cylinder, and the surface of fixing axle is arranged with filter plate, fixed The surface of axis is fixedly connected with limited block, cooperates using with thread bush, filter cylinder can be made to go up and down, and when filter cylinder declines, utilizes the resistance of water It is connected that power can be such that filter plate turns to, and impurity can be pushed into elder generation of lower layer cleaning part impurity, and impurity when discharge is avoided excessively to cause Blocking can be such that filter plate separates, avoid taking impurity into upper layer to improve filter effect, and when filter cylinder rising using the resistance of water, And water can be stirred, it is sufficiently mixed precipitating reagent with waste water.
(2), wastewater from chemical industry high-efficient purification filter device, by the rear end of the piston cylinder row of being sequentially communicated from top to bottom Water pipe and water inlet pipe, and the surface of drainpipe and water inlet pipe has been respectively fixedly connected with the first check valve and second one-way valve, piston The inside of cylinder and be located at immediately ahead of drainpipe and be fixedly connected with strainer, the top of drainpipe and water inlet pipe with the right side of Rose Box Connection can be extracted out the impurity for being taken to Rose Box bottom by filter plate using piston cylinder and water inlet pipe cooperation, and using strainer to miscellaneous Matter is filtered, and end cap is to be threadedly coupled with piston cylinder, convenient for taking out impurity.
(3), the wastewater from chemical industry high-efficient purification filter device, is connected with second piston by the internal slide in spray tank, The top of spray tank, which is run through, drug-feeding tube, and the bottom end of drug-feeding tube extends to the lower section of second piston, and the top of second piston is solid Surely it is connected with pull rod, the top of pull rod extends to the top of spray tank, and the top of pull rod is fixedly connected with connection frame, spray tank Drug discharging tube is communicated with below right side, the bottom end of drug discharging tube is extended to the over the inside of filter box, is fixedly connected on drug discharging tube unidirectional Medical liquid squeezing can be avoided the excessive medical fluid of residual in spray tank from causing to waste, simultaneously by solenoid valve using the self weight of second piston Second piston can be pulled up using pull rod, and then can be easy to use by medical fluid inspiration spray tank using negative pressure.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the top view of the utility model filter cylinder;
Fig. 3 is the structural schematic diagram of the utility model filter plate;
Fig. 4 is the partial enlarged view in the utility model Fig. 1 at A;
Fig. 5 is the side view of the utility model piston cylinder;
In figure, 1 Rose Box, 2 cabinets, 3 screw rods, 4 thread bush, 5 brackets, 6 filter cylinders, 7 fixing axles, 8 filter plates, 9 limited blocks, 10 first motors, 11 second motors, 12 first bevel gears, 13 second bevel gears, 14 fixing sleeves, 15 piston cylinders, 16 end caps, 17 One piston, 18 push rods, 19 connecting rods, 20 cams, 21 drainpipes, 22 water inlet pipes, 23 first check valves, 24 second one-way valves, 25 medicines Liquid case, 26 second pistons, 27 drug-feeding tubes, 28 pull rods, 29 connection frames, 30 drug discharging tubes, 31 Unidirectional solenoid valves, 32 case lids, 33 add Water pipe, 34 filter cartridges, 35 outlet pipes.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-5 is please referred to, the utility model embodiment provides a kind of technical solution: a kind of wastewater from chemical industry high-efficient purification filtering Device, including Rose Box 1, the left side at 1 top of Rose Box are fixedly connected with spray tank 25, and the internal slide connection of spray tank 25 There is second piston 26, the top of spray tank 25, which is run through, drug-feeding tube 27, and the bottom end of drug-feeding tube 27 through second piston 26 and is prolonged The lower section of second piston 26 is extended to, the top of second piston 26 is fixedly connected with pull rod 28, and spray tank is run through on the top of pull rod 28 25 and the top of spray tank 25 is extended to, and the top of pull rod 28 is fixedly connected with connection frame 29, the lower section on 25 right side of spray tank It is communicated with drug discharging tube 30, the bottom end of drug discharging tube 30 runs through Rose Box 1 and is extended to the over the inside of filter box 1, the surface of drug discharging tube 30 And the top for being located at Rose Box 1 is fixedly connected with Unidirectional solenoid valve 31, using the self weight of second piston 26, can by medical liquid squeezing, It avoids the excessive medical fluid of residual in spray tank 25 from causing to waste, while second piston 26 can be pulled up using pull rod 28, and then utilize Negative pressure can be by medical fluid inspiration spray tank 25, and easy to use, the top of Rose Box 1 is hinged with case lid 32, case by hinge Lid 32 is convenient for cleaning in Rose Box 1, and the top of case lid 32 is communicated with filler pipe 33, and the lower section in 1 left side of Rose Box connects It is connected with filter cartridge 34, the left side of filter cartridge 34 is communicated with outlet pipe 35, and valve is fixedly connected on outlet pipe 35,2 bottom of cabinet The quadrangle in portion is fixedly connected to stabilizer blade, and the bottom of Rose Box 1 is fixedly connected with cabinet 2, and the right side of cabinet 2 passes through fixing sleeve 14 It is fixedly connected with piston cylinder 15, the rear end of piston cylinder 15 has been sequentially communicated drainpipe 21 and water inlet pipe 22 from top to bottom, and drains The surface of pipe 21 and water inlet pipe 22 has been respectively fixedly connected with the first check valve 23 and second one-way valve 24, the first check valve 23 with Second one-way valve 24 is contrary, the inside of piston cylinder 15 and be located at drainpipe 21 front be fixedly connected with strainer, drainpipe 21 are connected to the right side of Rose Box 1 with the top of water inlet pipe 22, can will be by filter plate 8 using piston cylinder 15 and the cooperation of water inlet pipe 22 It takes the impurity extraction of 1 bottom of Rose Box to, and impurity is filtered using strainer, and end cap 16 and piston cylinder 15 are screw thread company It connects, convenient for taking out impurity, and the nose threads of piston cylinder 15 are connected with end cap 16, and the internal slide of piston cylinder 15 is connected with first Piston 17, and the front of first piston 17 is fixedly connected with push rod 18, the front end of push rod 18 through end cap 16 and extends to end cap 16 front, and the front end of push rod 18 is rotatably connected to connecting rod 19, Rose Box is rotatably connected to screw rod 3, screw rod at the top of 1 inner cavity 3 bottom end sequentially passes through Rose Box 1 and cabinet 2 and extends to the inside of cabinet 2, and the bottom of the bottom end of screw rod 3 and 2 inner cavity of cabinet Portion's rotation connection, the surface of screw rod 3 and the internal whorl for being located at Rose Box 1 are connected with thread bush 4, and the outer surface of thread bush 4 is logical It crosses bracket 5 and is fixedly connected with filter cylinder 6, and the outer surface of filter cylinder 6 and the inner wall of Rose Box 1 are slidably connected, the inner surface of filter cylinder 6 Fixing axle 7 is fixedly connected between bracket 5, the surface of fixing axle 7 is arranged with filter plate 8, and the surface of fixing axle 7 is fixedly connected with Limited block 9, limited block 9 can make filter plate 8 keep certain gradient, cooperate using with thread bush 4, filter cylinder 6 can be made to go up and down, filter cylinder 6 When decline, filter plate 8 can be made to turn to using the resistance of water connected, impurity can be pushed into elder generation of lower layer cleaning part impurity, the row of avoiding Impurity excessively results in blockage when out, to improve filter effect, and when the rising of filter cylinder 6, filter plate 8 can be made to divide using the resistance of water It opens, avoids taking impurity into upper layer to, and water can be stirred, be sufficiently mixed precipitating reagent with waste water, the inside of cabinet 2 is from a left side Being fixedly connected sequentially to the right side has first motor 10 and the second motor 11, and the right end of 10 output shaft of first motor is fixedly connected with One bevel gear 12, the surface of screw rod 3 and the inside for being located at cabinet 2 are fixedly connected with second bevel gear 13, and second bevel gear 13 Side and first bevel gear 12 be intermeshed, the right end of 11 output shaft of the second motor is through cabinet 2 and extends to the right side of cabinet 2 Side, the right end of 11 output shaft of the second motor is fixedly connected with cam 20, and the left pivot movement of the right side of cam 20 and connecting rod 19 connects It connects.
In use, drug-feeding tube 27 is connect with medicinal liquor barrel, connection frame 29 is pulled, makes pull rod 28 that second piston 6 be driven to rise, Medical fluid is pumped into spray tank 25 using negative pressure, waste water is added into Rose Box 1 by filler pipe 33, opens Unidirectional solenoid valve 31, it flows into medical fluid in Rose Box 1, starts first motor 10 and the second motor 11, first motor 10 drives screw rod 3 to rotate, makes Thread bush 4 drives filter cylinder 6 to decline, and it is connected that the resistance of water turns to filter plate 8, impurity is pushed into bottom, then first motor 10 Reversion rises filter cylinder 6, separates filter plate 8 using the resistance of water, while two motors 11 are rotated with moving cam 20, utilize connecting rod 19 drive first piston 17 to move reciprocatingly with push rod 18, are extracted out the waste water impurity of bottom in Rose Box 1 using water inlet pipe 22, Waste water is discharged by drainpipe 21 again, impurity is blocked in piston cylinder 15 by strainer, after precipitating, is closed device, is opened Valve, waste water are discharged after being filtered by filter cartridge 34, finally remove filter cartridge 34, be rinsed with water inside Rose Box 1, and open end Lid 16 takes out first piston 17, clears up the impurity in piston cylinder 15.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (9)

1. a kind of wastewater from chemical industry high-efficient purification filter device, including Rose Box (1), it is characterised in that: the bottom of the Rose Box (1) Portion is fixedly connected with cabinet (2), is rotatably connected to screw rod (3) at the top of Rose Box (1) inner cavity, the bottom of the screw rod (3) End sequentially passes through Rose Box (1) and cabinet (2) and extends to the inside of cabinet (2), and in the bottom end of screw rod (3) and cabinet (2) The lower rotation of chamber connects, the surface of the screw rod (3) and the internal whorl for being located at Rose Box (1) is connected with thread bush (4), institute The outer surface for stating thread bush (4) is fixedly connected with filter cylinder (6) by bracket (5), and the outer surface of filter cylinder (6) and Rose Box (1) Inner wall be slidably connected, be fixedly connected with fixing axle (7), the fixing axle between the inner surface and bracket (5) of the filter cylinder (6) (7) surface is arranged with filter plate (8), and the surface of the fixing axle (7) is fixedly connected with limited block (9), the cabinet (2) it is interior Portion, which is from left to right fixedly connected sequentially, first motor (10) and the second motor (11).
2. a kind of wastewater from chemical industry high-efficient purification filter device according to claim 1, it is characterised in that: the first motor (10) right end of output shaft is fixedly connected with first bevel gear (12), the surface of the screw rod (3) and the inside for being located at cabinet (2) It is fixedly connected with second bevel gear (13), and the side of second bevel gear (13) and first bevel gear (12) are intermeshed.
3. a kind of wastewater from chemical industry high-efficient purification filter device according to claim 1, it is characterised in that: the cabinet (2) Right side be fixedly connected with piston cylinder (15) by fixing sleeve (14), and the nose threads of piston cylinder (15) are connected with end cap (16), the internal slide of the piston cylinder (15) is connected with first piston (17), and the front of first piston (17) is fixedly connected There are push rod (18).
4. a kind of wastewater from chemical industry high-efficient purification filter device according to claim 3, it is characterised in that: the push rod (18) Front end through end cap (16) and extend to the fronts of end cap (16), and the front end of push rod (18) is rotatably connected to connecting rod (19).
5. a kind of wastewater from chemical industry high-efficient purification filter device according to claim 1, it is characterised in that: second motor (11) right end of output shaft runs through cabinet (2) and extends to the right side of cabinet (2), the right end of the second motor (11) output shaft It is fixedly connected with cam (20), and the right side of cam (20) is connect with the left pivot movement of connecting rod (19).
6. a kind of wastewater from chemical industry high-efficient purification filter device according to claim 3, it is characterised in that: the piston cylinder (15) rear end has been sequentially communicated drainpipe (21) and water inlet pipe (22), and drainpipe (21) and water inlet pipe (22) from top to bottom Surface has been respectively fixedly connected with the first check valve (23) and second one-way valve (24), the inside of the piston cylinder (15) and is located at row Be fixedly connected with strainer immediately ahead of water pipe (21), the top of the drainpipe (21) and water inlet pipe (22) with Rose Box (1) Right side connection.
7. a kind of wastewater from chemical industry high-efficient purification filter device according to claim 1, it is characterised in that: the Rose Box (1) left side at the top of is fixedly connected with spray tank (25), and the internal slide of spray tank (25) is connected with second piston (26), institute The top for stating spray tank (25), which is run through, to be had drug-feeding tube (27), and the bottom end of drug-feeding tube (27) through second piston (26) and extends to The lower section of second piston (26) is fixedly connected with pull rod (28) at the top of the second piston (26).
8. a kind of wastewater from chemical industry high-efficient purification filter device according to claim 7, it is characterised in that: the pull rod (28) Top through spray tank (25) and extend to the tops of spray tank (25), and the top of pull rod (28) is fixedly connected with connection frame (29), the lower section on the right side of the spray tank (25) is communicated with drug discharging tube (30), and Rose Box is run through in the bottom end of the drug discharging tube (30) (1) and it is extended to the over the inside of filter box (1), the surface of the drug discharging tube (30) and being located above Rose Box (1) is fixedly connected There are Unidirectional solenoid valve (31).
9. a kind of wastewater from chemical industry high-efficient purification filter device according to claim 1, it is characterised in that: the Rose Box (1) top is hinged with case lid (32) by hinge, and filler pipe (33), the Rose Box are communicated at the top of case lid (32) (1) lower section on the left of is communicated with filter cartridge (34), is communicated with outlet pipe (35) on the left of the filter cartridge (34), and outlet pipe (35) valve is fixedly connected on, the quadrangle of cabinet (2) bottom is fixedly connected to stabilizer blade.
CN201820071821.8U 2018-01-17 2018-01-17 A kind of wastewater from chemical industry high-efficient purification filter device Active CN208250023U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109569386A (en) * 2018-12-20 2019-04-05 重庆七彩虹新材料技术有限公司 Agitating device is used in a kind of production of powdery paints
CN110002628A (en) * 2019-03-26 2019-07-12 于发东 The wastewater treatment circulation recycling device and method of stevioside are extracted with STEVIA REBAUDIANA
CN111747509A (en) * 2020-06-12 2020-10-09 厦门煌柳化工科技有限公司 Automatic clear up sewage treatment plant of active biological charcoal
CN111847707A (en) * 2020-07-03 2020-10-30 安徽南都华铂新材料科技有限公司 Device for recovering heavy metals in wastewater and using method thereof
CN112827241A (en) * 2021-01-06 2021-05-25 张超 Preparation method of water-based paint
CN113354144A (en) * 2021-06-04 2021-09-07 重庆智伦电镀有限公司 Nickel-containing wastewater treatment system for industrial park
CN113457243A (en) * 2021-08-02 2021-10-01 中电建生态环境设计研究有限公司 Integrated equipment for treating and discharging urban sewage and treatment method thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109569386A (en) * 2018-12-20 2019-04-05 重庆七彩虹新材料技术有限公司 Agitating device is used in a kind of production of powdery paints
CN110002628A (en) * 2019-03-26 2019-07-12 于发东 The wastewater treatment circulation recycling device and method of stevioside are extracted with STEVIA REBAUDIANA
CN110002628B (en) * 2019-03-26 2023-08-29 济宁市瑞信堂大禹药业有限公司 Device and method for recycling waste water generated in extraction of stevioside by stevia rebaudiana
CN111747509A (en) * 2020-06-12 2020-10-09 厦门煌柳化工科技有限公司 Automatic clear up sewage treatment plant of active biological charcoal
CN111847707A (en) * 2020-07-03 2020-10-30 安徽南都华铂新材料科技有限公司 Device for recovering heavy metals in wastewater and using method thereof
CN112827241A (en) * 2021-01-06 2021-05-25 张超 Preparation method of water-based paint
CN113354144A (en) * 2021-06-04 2021-09-07 重庆智伦电镀有限公司 Nickel-containing wastewater treatment system for industrial park
CN113457243A (en) * 2021-08-02 2021-10-01 中电建生态环境设计研究有限公司 Integrated equipment for treating and discharging urban sewage and treatment method thereof

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