CN1958116A - System and method for automatic adding flocculant - Google Patents
System and method for automatic adding flocculant Download PDFInfo
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- CN1958116A CN1958116A CN 200610102033 CN200610102033A CN1958116A CN 1958116 A CN1958116 A CN 1958116A CN 200610102033 CN200610102033 CN 200610102033 CN 200610102033 A CN200610102033 A CN 200610102033A CN 1958116 A CN1958116 A CN 1958116A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000003245 coal Substances 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 239000003814 drug Substances 0.000 claims abstract description 7
- 239000010866 blackwater Substances 0.000 claims description 32
- 239000000126 substance Substances 0.000 claims description 14
- 239000002360 explosive Substances 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 9
- 239000003250 coal slurry Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000005622 photoelectricity Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 241001661918 Bartonia Species 0.000 description 4
- 239000002562 thickening agent Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000000247 postprecipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
本发明公开了一种絮凝剂自动添加系统及其方法。该系统是在入料管上设有流量计和浓度计，浓缩池界面上设有检测仪，储药箱连通有球阀和泵以及传感器，在泵与入料管间连通有加药管，在系统中设有工控机和电控柜由无线电信号连接。该方法是根据浓度计和流量计检测的浓度和流量，由工控机控制泵加入絮凝剂，传感器检测到液位较低时，打开球阀加入药剂，传感器检测到液位较高时关闭球阀，并检测煤泥界面，确定溢流水浓度，再由工控机判断溢流水浓度，决定是否启动泵向浓缩池加药。本发明将人工阀控式改变为自动添加方式，达到了节约絮凝剂用量、提高精煤产率、降低溢流水浓度的效果，实现了煤泥控制系统的仪表化显示，本发明适用于各种选煤厂煤泥水处理。The invention discloses a flocculant automatic adding system and a method thereof. The system is equipped with a flow meter and a concentration meter on the feeding pipe, a detector is installed on the interface of the concentration tank, a ball valve, a pump and a sensor are connected to the medicine storage box, and a dosing pipe is connected between the pump and the feeding pipe. The system is equipped with an industrial computer and an electric control cabinet connected by radio signals. This method is based on the concentration and flow rate detected by the concentration meter and flow meter. The industrial computer controls the pump to add flocculant. When the sensor detects that the liquid level is low, the ball valve is opened to add the agent. When the sensor detects that the liquid level is high, the ball valve is closed, and Detect the slime interface, determine the concentration of overflow water, and then judge the concentration of overflow water by the industrial computer, and decide whether to start the pump to add medicine to the concentration tank. The present invention changes the manual valve-controlled type into an automatic adding method, achieves the effects of saving the amount of flocculant, increasing the yield of clean coal, and reducing the concentration of overflow water, and realizes the instrumented display of the coal slime control system. The present invention is applicable to various Coal slime water treatment in coal preparation plant.
Description
Technical field
The present invention relates to a kind of system and method thereof of slurry of coal washing plant water treatment, automatic adding flocculant system and the method thereof of specifically a kind of coal washery in the black water processing procedure.
Background technology
The water treatment of coal slime be the coal washery important with production technology complexity, when the processing of black water, people generally adopt the method for adding high polymer coagulant, to quicken coal slime water purification, precipitation, make black water reach reusable purpose, thereby reach the conserve water resource, reduce cost.Wherein to add be an important and complicated process to flocculant, flocculant add in time whether, and what of addition all are directly connected to the concentration of black water clarified solution and the speed of clarifying speed, are directly connected to quality and output that the coal washery washes out cleaned coal.
The control mode that at present domestic and international immediate automatic adding method is the hand control magnetic valve, how much what it added flocculant is to control by the size that magnetic valve is opened, the control mode of this extensive style is difficult to the accurately addition of control flocculant, in most of the cases the addition of flocculant is all more, therefore has the problem of flocculant waste
Present domestic and international immediate method is the detection method to the black water effluent concentration in control system, this method is to utilize the principle of light transmittance that the concentration of overflow water is carried out once discontinuous offline inspection at regular intervals, the problem that exists is hysteresis quality and the discontinuity that overflow water concentration is detected, and therefore the automatic addition of flocculant controlled of this detection signal is a science and inaccurate not.
The problem that above-mentioned flocculant add-on system and method thereof mainly exist is: (1) enters the feed forward detection system that the preceding black water of coal slime concentration basin does not have black water concentration and flow in the flocculant add-on system.(2) in the water treatment system of coal slime, the addition of flocculant is that artificial valve prosecutor formula is added, and lacks a kind of metering device of flocculant solution consumption, thereby causes the unnecessary waste of flocculant.(3) when detecting the thickener effluent concentration, exist the hysteresis quality that detects effluent concentration, make effluent concentration detect unreliable and science not.
Summary of the invention
Task of the present invention is that the coal washery is in the processing procedure of black water, adopt computer to combine and control the system and the method thereof of automatic interpolation flocculant with virtual instrument technique, to solve existing coal washery in the black water processing procedure, the feed forward detection system that lacks black water concentration and flow, hysteresis quality that the thickener effluent concentration detects and artificial valve control etc. cause the waste problem at water source and flocculant in the water coal slime processing procedure, reach and save the flocculant consumption, improve clean coal yield, reduce the purpose of overflow water concentration, thereby a kind of automatic adding flocculant system and method thereof are provided.
Based on above-mentioned prior art, need problem that solves and the purpose that will reach, technical scheme of the present invention comprises automatic adding flocculant system and adding method two parts thereof, the added automatically system of flocculant of the present invention includes concentration basin, valve and pipeline, its added automatically system is to be provided with total flowmeter for pipe and house steward's densimeter on the black water feeding pipe, and in the feeding concentration basin, on the interface of concentration basin, be provided with the concentration basin interface detector; Be communicated with feed pipe electrical ball valve and screw pump on the explosive box, be connected with liquid level sensor; Between screw pump and black water feeding pipe, be communicated with the concentration basin chemical feed pipe, be communicated with house steward's chemical feed pipe between black water feeding pipe and concentration basin chemical feed pipe; Around the automatic adding flocculant system, be provided with Industrial Control Computer, electrical control cubicles, radio transmitters and wireless receiver.
In the above-mentioned automatic adding flocculant system, described liquid level sensor is capacitance level transducer or ultrasonic liquid level sensor; Described house steward's densimeter is isotopes concentration meter or photoelectricity densimeter; Described interface detector is isotope interface detector or ultrasonic wave interface detector; Described total flowmeter for pipe is electromagnetic flowmeter or vortex-shedding meter; Described motor and screw pump are one group or one group of above screw pump group of forming.
The automatic adding method of the added automatically system of flocculant of the present invention, this method is to detect concentration of coal slurry and flow according to house steward's densimeter and total flowmeter for pipe, according to detected concentration and flow, by the rotating speed adding flocculant of Industrial Control Computer by the Frequency Converter Control screw pump; Next is that liquid level sensor in the explosive box detects liquid level when low, opens electrical ball valve automatically and adds medicament, when liquid level sensor detects liquid level when higher, closes electrical ball valve automatically; Be interface detector detection coal slime interface once more, determine overflow water concentration by concentration basin.And the detected data of interface detector are sent in the Industrial Control Computer by Wireless transmission mode, judge the concentration of overflow water in the concentration basin, when concentration is higher than setting value, start the dosing screw pump to the concentration basin dosing.
Automatic adding flocculant system of the present invention and adding method thereof are to finish the medicament adding purpose by the Motor Drive screw pump.Dosing is divided into house steward, and slightly to add and be in charge of fine tuning two parts collection be that one is finished the dosing to sedimentation basin.Slightly add the flow that promptly utilizes flow sensor to detect the pan feeding house steward, utilize contactless concentration sensor to detect pan feeding house steward's concentration simultaneously, utilize Industrial Control Computer to calculate coal slurry content and according to what of coal slurry content according to pan feeding house steward's concentration and flow, the control frequency converter starts, make house steward's dosing pump with the flow of certain curve to house steward's dosing.Fine tuning utilizes radio isotope as interface instrument sensor, detect the interfacial level of concentration basin and the concentration of overflow water, utilize Industrial Control Computer to calculate the pharmaceutical quantities that needs add concentration basin according to the interfacial level signal, the control frequency converter starts, make the fine tuning dosing pump with the dose of certain curve to the concentration basin dosing.Can make the effluent concentration of black water be controlled at degree all the time after two parts dosing less than 5g/l.
Automatic adding flocculant system and method thereof during coal works of the present invention black water is handled, detecting sensing, calculate control, the software virtual technical device, transmission of wireless signals four major parts organically combine, automatically finish the detection and the interpolation of flocculant, solved existing coal washery in the processing procedure of black water, the feed forward detection system and method for no black water concentration and flow, the hysteresis quality that the thickener effluent concentration detects, artificial valve control detects to be handled the water coal slime and causes unstability that the water coal slime handles and not scientific, and the problem of waste water source and flocculant, change over modern industrialized accurately automatic addition manner by original extensive processing procedure, reached saving flocculant consumption, improve clean coal yield, reduce the effect of overflow water concentration, the instrumentation that has realized the coal slime control system shows that this automatic adding flocculant system and method thereof are applicable to various coal preparation plants slurry circulating system and method.
Description of drawings
Fig. 1 is the composition structural representation of automatic adding flocculant system of the present invention
Fig. 2 is an automatic adding flocculant system control block diagram of the present invention
Fig. 3 is the main TV structure schematic diagram of dosing part of the present invention
Fig. 4 is the plan structure schematic diagram of dosing part of the present invention
Among the figure: 1: screw pump comprises house steward's pump and concentration basin pump, 2: explosive box, 3: liquid level sensor, 4: Industrial Control Computer, 5: electrical ball valve, 6: electrical control cubicles, 7: wireless receiver, 8: house steward's densimeter, 9: total flowmeter for pipe, 10: house steward's chemical feed pipe, 11: radio transmitters, 12: interface detector, 13: concentration basin chemical feed pipe, 14: concentration basin, 15: black water feeding pipe, 16: motor.
The specific embodiment
The present invention reaches the specific embodiment in conjunction with the accompanying drawings can make further instruction to the present invention, and this embodiment is a detailed description of the invention, the present invention is not made any restriction.
The specific embodiment of automatic adding flocculant system of the present invention comprises: dosing part, house steward's flow concentration branch, test section, coal slime interface, control section.
Among embodiment Fig. 3 and Fig. 4, the dosing part mainly comprises: compositions such as threephase motor 16, meter screw stem pump 1, explosive box 2, liquid level sensor 3, electrical ball valve and valve pipe.Threephase motor 16 and meter screw stem pump 1 are one group or one group of above screw pump group of forming.Meter screw stem pump 1 is that house steward's chemical feed pipe 10 is connected with explosive box 2 by pipeline and stop valve, and meter screw stem pump 16 sucks flocculant solution from explosive box to be mixed with black water by concentration basin chemical feed pipe 13 and black water feeding pipe 15.Capacitance level transducer or ultrasonic liquid level sensor 3 are used for measuring the liquid level of explosive box 2, and the normalized current of output 4-20mA links to each other in Industrial Control Computer 4 by signal cable.Electrical ball valve 5 is mainly used to add flocculant solution to explosive box 2, and links to each other with GGD electrical control cubicles 6, just opens electrical ball valve 5 when liquid level is lower than setting value, closes electrical ball valve 5. when liquid level reaches setting value
Among embodiment Fig. 1, house steward's flow concentration branch comprises: house steward's densimeter 8, total flowmeter for pipe 9, house steward's densimeter 8 can be isotopes concentration meter or photoelectricity densimeter, total flowmeter for pipe 9 can be electromagnetic flowmeter or vortex-shedding meter, detect the flow and the concentration of the black water among the black water pan feeding house steward 15, the normalized current of two sensor output 4-20mA is connected to Industrial Control Computer 4 by signal cable.
Among embodiment Fig. 1, test section, coal slime interface comprises: coal slime interface detector 12, radio transmitters 11 and wireless receiver 7.Coal slime interface detector 12 can be coal slime isotope interface detector or ultrasonic wave interface detector, detected coal slime interface is changed into digital quantity deliver to radio transmitters 11, radio transmitters 11 utilizes wireless mode to send to wireless receiver 7 data signal, and wireless receiver 7 is delivered to Industrial Control Computer 4 by holding wire with data signal.
Among embodiment Fig. 2, control section comprises: Industrial Control Computer 4 and electrical control cubicles 6.System control program is installed in the Industrial Control Computer, components and parts such as relay frequency converter are housed.
Automatic adding flocculant system of the present invention constitutes: be provided with total flowmeter for pipe 9 and house steward's densimeter 8 on black water feeding pipe 15, and feed in the concentration basin 14, be provided with concentration basin interface detector 12 on the interface of concentration basin 14; Be communicated with feed pipe electrical ball valve 5 and screw pump 1 on the explosive box 2, be connected with liquid level sensor 3; Be communicated with concentration basin chemical feed pipe 13 at screw pump 1 and 15 of black water feeding pipes, 13 of black water feeding pipe 15 and concentration basin chemical feed pipes are communicated with house steward's chemical feed pipe 10; Around the automatic adding flocculant system, be provided with Industrial Control Computer 4, electrical control cubicles 6, radio transmitters 11 and wireless receiver 7.
The present invention is used for the adding method of automatic adding flocculant system, among embodiment Fig. 1, at first by concentration of coal slurry and flow in house steward's densimeter 8 and the total flowmeter for pipe 9 detection black water feeding pipes 15, calculate by Industrial Control Computer 4 and will be added to what of the contained dry coal slurry amount of black water in the concentration basin, the frequency converter of how much controlling according to dry coal slurry amount, the rotating speed of Frequency Converter Control house steward's dosing motor 16, house steward's dosing motor 16 drives screw pump 1, screw pump 1 is discharged a certain amount of flocculant and is added in the black water feeding pipe 15 by house steward's chemical feed pipe 10, the dosing part that promptly feedovers forms flocculant is slightly added control.Liquid level sensor 3 and electrical ball valve 5 are installed in explosive box 2, open electrical ball valve 5 adding medicaments when liquid level is hanged down, when liquid level reaches setting value, close electrical ball valve 5 when detecting.
Among embodiment Fig. 1, when black water post precipitation in concentration basin 14, the surface primary water overflows formation recirculated water through downflow weir, because the medicament maldistribution of each concentration basin 14, the muddy phenomenon of overflow water can appear, in the middle of each concentration basin 14 rotation mud scraper, an interface detector 12 is set according to this situation,, determines overflow water concentration by detecting the interface of precipitation coal slime and primary water.In order to solve thickener rotation mud scraper signal transmission issues, the data of interface detector 12 utilize radio transmitters 11 and wireless interface receiver 7 transmission means to send to Industrial Control Computer 4, judge the overflow water concentration of each concentration basin 14 by Industrial Control Computer 4, when concentration is higher than setting value, control frequency converter according to the size of concentration simultaneously, frequency converter drives concentration basin dosing motor 16, and concentration basin 14 dosing motor 16 drive concentration basin screw pump 1, and a certain amount of flocculant is added in the concentration basin.
Claims (7)
1. automatic adding flocculant is united, it contains concentration basin, valve and pipeline, it is characterized in that on black water feeding pipe (15), being provided with total flowmeter for pipe (9) and house steward's densimeter (8), and feed in the concentration basin (14), on the interface of concentration basin (14), be provided with concentration basin interface detector (12); Be communicated with feed pipe electrical ball valve (5) and screw pump (1) on the explosive box (2), be connected with liquid level sensor (3); Between screw pump (1) and black water feeding pipe (15), be communicated with concentration basin chemical feed pipe (13), be communicated with house steward's chemical feed pipe (10) between black water feeding pipe (15) and concentration basin chemical feed pipe (13); Around the automatic adding flocculant system, be provided with Industrial Control Computer (4), electrical control cubicles (6), radio transmitters (11) and wireless receiver (7).
2. automatic adding flocculant system as claimed in claim 1 is characterized in that liquid level sensor (3) is capacitance level transducer or ultrasonic liquid level sensor.
3. automatic adding flocculant system as claimed in claim 1 is characterized in that house steward's densimeter (8) is isotopes concentration meter or photoelectricity densimeter.
4. automatic adding flocculant system as claimed in claim 1 is characterized in that interface detector (12) is isotope interface detector or ultrasonic wave interface detector.
5. automatic adding flocculant system as claimed in claim 1 is characterized in that total flowmeter for pipe (9) is electromagnetic flowmeter or vortex-shedding meter.
6. automatic adding flocculant system as claimed in claim 1 is characterized in that motor (16) and screw pump (1) are one group or one group of above screw pump group of forming.
7. one kind is used for the adding method that the described automatic adding flocculant of claim 1 is united, its feature at first is to detect concentration of coal slurry and flow according to house steward's densimeter (8) and total flowmeter for pipe (9), according to detected concentration and flow, by the rotating speed adding flocculant of Industrial Control Computer (4) by Frequency Converter Control screw pump (1); Next is that liquid level sensor (3) in the explosive box (2) detects liquid level when low, opens electrical ball valve (5) automatically and adds medicament, when liquid level sensor (3) detects liquid level when higher, closes electrical ball valve (5) automatically; Be interface detector (12) detection coal slime interface once more, determine overflow water concentration by concentration basin (14).And the detected data of interface detector (12) are sent in the Industrial Control Computer (4) by Wireless transmission mode, judge the concentration of overflow water in the concentration basin (14), when concentration is higher than setting value, start dosing screw pump (1) to concentration basin (14) dosing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101020332A CN100457228C (en) | 2006-10-16 | 2006-10-16 | System and method for automatic adding flocculant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101020332A CN100457228C (en) | 2006-10-16 | 2006-10-16 | System and method for automatic adding flocculant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1958116A true CN1958116A (en) | 2007-05-09 |
| CN100457228C CN100457228C (en) | 2009-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101020332A Expired - Fee Related CN100457228C (en) | 2006-10-16 | 2006-10-16 | System and method for automatic adding flocculant |
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| CN (1) | CN100457228C (en) |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102385357A (en) * | 2011-07-25 | 2012-03-21 | 太原理工大学 | Automatic control system and method for coal slime flocculation settling |
| CN102580363A (en) * | 2012-01-10 | 2012-07-18 | 江苏新宏大集团有限公司 | Device for adding flocculant |
| CN103214069A (en) * | 2013-04-25 | 2013-07-24 | 佛山市绿建环保科技有限公司 | Control system for automatic chemical dosing in flocculation process |
| CN103570162A (en) * | 2013-11-19 | 2014-02-12 | 江苏康泰环保设备有限公司 | Coal-washing wastewater solid-liquid separation system and method |
| CN103979774A (en) * | 2013-07-18 | 2014-08-13 | 俞元洪 | Slurry dewatering and curing construction process |
| CN103979776A (en) * | 2013-07-18 | 2014-08-13 | 俞元洪 | Dewatering agent mixing device suitable for sludge rapid dewatering system |
| CN103995498A (en) * | 2013-07-18 | 2014-08-20 | 俞元洪 | Control system for slurry dehydration solidification construction device |
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| CN105060437A (en) * | 2015-08-18 | 2015-11-18 | 铜陵海陵环保科技有限责任公司 | Polymeric ferric sulfate feeding device for sewage treatment |
| CN105233530A (en) * | 2015-09-24 | 2016-01-13 | 安徽理工大学 | Coal slime water deep clarification system, and treatment method thereof |
| CN105435494A (en) * | 2015-12-11 | 2016-03-30 | 山西晋煤集团技术研究院有限责任公司 | Thickener automatic drug dosing system and method thereof |
| CN105903574A (en) * | 2016-04-13 | 2016-08-31 | 中国矿业大学 | Emulsification control adding equipment for flotation reagents |
| CN108911477A (en) * | 2018-08-03 | 2018-11-30 | 中国建筑股份有限公司 | A kind of mud-water separation intelligent dosing control system and method |
| CN109626793A (en) * | 2019-01-11 | 2019-04-16 | 中铁隧道集团二处有限公司 | A method of promote mud fine grained to polymerize conglomeration in centrifuge |
| CN109626460A (en) * | 2019-02-11 | 2019-04-16 | 天津中新智冠信息技术有限公司 | Intelligent slime water treatment method and device |
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Cited By (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102385357B (en) * | 2011-07-25 | 2013-05-29 | 太原理工大学 | Coal slime water flocculation settlement automatic control system and control method |
| CN102385357A (en) * | 2011-07-25 | 2012-03-21 | 太原理工大学 | Automatic control system and method for coal slime flocculation settling |
| CN102580363A (en) * | 2012-01-10 | 2012-07-18 | 江苏新宏大集团有限公司 | Device for adding flocculant |
| CN103214069A (en) * | 2013-04-25 | 2013-07-24 | 佛山市绿建环保科技有限公司 | Control system for automatic chemical dosing in flocculation process |
| CN103979774A (en) * | 2013-07-18 | 2014-08-13 | 俞元洪 | Slurry dewatering and curing construction process |
| CN103979776A (en) * | 2013-07-18 | 2014-08-13 | 俞元洪 | Dewatering agent mixing device suitable for sludge rapid dewatering system |
| CN103995498A (en) * | 2013-07-18 | 2014-08-20 | 俞元洪 | Control system for slurry dehydration solidification construction device |
| CN103979774B (en) * | 2013-07-18 | 2016-09-28 | 宁波高新区围海工程技术开发有限公司 | A kind of slurry dewatering solidifying construction technology |
| CN103979776B (en) * | 2013-07-18 | 2016-06-22 | 宁波高新区围海工程技术开发有限公司 | A kind of dehydrant mixing device suitable in sludge rapid dewatering system |
| CN103570162B (en) * | 2013-11-19 | 2016-03-30 | 江苏康泰环保设备有限公司 | A kind of coal washing waste water solid-liquid separation system and separation method thereof |
| CN103570162A (en) * | 2013-11-19 | 2014-02-12 | 江苏康泰环保设备有限公司 | Coal-washing wastewater solid-liquid separation system and method |
| CN104958984A (en) * | 2015-06-30 | 2015-10-07 | 成都市新都区鑫悦空气净化设备厂 | Catalytic pool for paint mist treatment |
| CN105060437A (en) * | 2015-08-18 | 2015-11-18 | 铜陵海陵环保科技有限责任公司 | Polymeric ferric sulfate feeding device for sewage treatment |
| CN105233530A (en) * | 2015-09-24 | 2016-01-13 | 安徽理工大学 | Coal slime water deep clarification system, and treatment method thereof |
| CN105435494A (en) * | 2015-12-11 | 2016-03-30 | 山西晋煤集团技术研究院有限责任公司 | Thickener automatic drug dosing system and method thereof |
| CN105435494B (en) * | 2015-12-11 | 2017-04-12 | 山西晋煤集团技术研究院有限责任公司 | Thickener automatic drug dosing system and method thereof |
| CN105903574A (en) * | 2016-04-13 | 2016-08-31 | 中国矿业大学 | Emulsification control adding equipment for flotation reagents |
| CN108911477A (en) * | 2018-08-03 | 2018-11-30 | 中国建筑股份有限公司 | A kind of mud-water separation intelligent dosing control system and method |
| CN109626793A (en) * | 2019-01-11 | 2019-04-16 | 中铁隧道集团二处有限公司 | A method of promote mud fine grained to polymerize conglomeration in centrifuge |
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