CN103553292B - Sludge magnetization dehydration treatment device - Google Patents
Sludge magnetization dehydration treatment device Download PDFInfo
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- CN103553292B CN103553292B CN201310580726.2A CN201310580726A CN103553292B CN 103553292 B CN103553292 B CN 103553292B CN 201310580726 A CN201310580726 A CN 201310580726A CN 103553292 B CN103553292 B CN 103553292B
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Abstract
The invention relates to a sludge magnetization dehydration treatment device and belongs to the technical field of environmental geotechnics. The magnetization dehydration treatment device consists of a bracket, a magnetic action device, a telescopic heating type charging device, a pipeline, a hopper, a reagent sprayer, a sensor, an outer circulation thermostatic water bath, a capillary suction time tester and a sludge collector, wherein the telescopic heating type charging device and the magnetic action device with a variable distance can test the sludge dehydration performance according to different magnetic field intensity gradients; according to the outer circulation thermostatic water bath, uniform heating of the sludge can be guaranteed, and the temperature control precision is high; the sensor and the reagent sprayer are connected with a control operating system, so that the data can be monitored in real time, the reagent delivery is automatically controlled, and the working efficiency can be improved. The device is reasonable in design, simple in structure and convenient to manufacture, the optimal combined parameters of sludge dehydration can be determined under multi-factor cooperative control conditions, secondary pollution is avoided in the sludge dehydration conditioning process, and the device is easy to operate, low in energy consumption and low in cost.
Description
Technical field
The present invention relates to a kind of mud magnetization dehydration treatment equipment, belong to environmental geotechnical technical field.
Background technology
Mud is the gunk that organism is main component of take forming in sewage treatment process, easily degenerate smelly, particle is thin, density is less, water ratio is high but difficult dehydration, is the hydroaropic substance of gel-like texture.Mud is because water ratio is high, organic content is high, heavy metal content is high, germ content is high by the title titled with " environment killer ", and many countries regard mud as " hazardous substance " in the world.
According to incompletely statistics, the wet mud that China produces water content 80% every year reaches more than 3,000 ten thousand tons, and with the speed about 10 %, increases progressively year by year.For a long time, the sewage work of China is from being designed into operation, the tendency of ubiquity " the light mud of heavy water ", sewage disposal plant effluent water quality reaching standard, but sludge treatment is disposed substantially in slow state of development.Along with the quickening of Urbanization in China, mud becomes increasingly conspicuous to the problem of environment, has caused social concern and national attention, and how mud being carried out reasonably processing disposal is domestic great difficult problem urgently to be resolved hurrily.
Realize the minimizing, stabilization of mud, the comprehensive utilization of innoxious and resource utilization, the disposal target that reaches energy-saving and emission-reduction and develop a circular economy, sludge dewatering is prerequisite.Only have moisture percentage in sewage sludge lowered, turn bane into boon, the comprehensive utilization of resources of protection of the environment just likely.
Mechanical dehydration is the dewatering that current countries in the world generally adopt.Because mud, especially activated sludge dehydration performance that urban sewage treatment system produces are generally all poor, Direct Dehydration because of a large amount of dehydration equipment of needs uneconomical.Therefore, mud, before mechanical dehydration, generally should carry out pre-treatment, and pre-treatment is also referred to as the conditioning of mud or modified.Pre-treatment can make mud particle change physico-chemical property to sludge cell wall breakage, destroys the colloidal structure of mud, reduces the avidity of mud and water, improves dewatering performance of sludge, improves the throughput of dehydration equipment, obtains comprehensive techno-economic effect.Mud hardening and tempering method has that physics is modified, chemical conditioning and biological modified three major types.Physics is modified the methods such as elutriation method, freeze-thaw method and heat is modified, chemical conditioning mainly points to and in mud, adds chemical agent, as inorganic coagulant, organic floculant etc., improve dewatering performance of sludge, biological modified method is mainly to utilize the meta-bolites of certain micro-organisms can produce efficient flocculating effect or utilize the reductive action of microorganism to improve dewatering performance of sludge.The modified method facility investment of physics is large, cost is higher, chemical conditioning method flow process and simple to operate, but result of use is bad and consumption of chemicals is larger separately, the choosing and cultivate difficulty of biological modified method microorganism.
Domestic and foreign literature shows that magnetization can improve the dewatering of mud after processing to mud in magnetic field, and magnetic technology has good development potentiality in sludge treatment disposal field.At present the domestic patent about mud magnetization device is less, and particularly magnetic field is variable and can realize multifactor Collaborative Control, the magnetization dehydration treatment equipment of many indexs Simultaneous Monitoring.
Therefore, be based on existing Research foundation, integrated existing technology and equipment, research and development magnetic field is variable and consider that the mud magnetization dehydration treatment equipment of multifactor Collaborative Control, many indexs Simultaneous Monitoring is important scientific issues urgently to be resolved hurrily.
Summary of the invention
For the problem of above-mentioned existence, the object of the present invention is to provide a kind of magnetic field of realizing variable, the mud magnetization dehydration treatment equipment that multifactor control and multiparameter Simultaneous Monitoring and modified process are pollution-free, easy to operate, less energy consumption, cost are low.
To achieve these goals, the technical solution that the present invention adopts is:
A kind of mud magnetization dehydration treatment equipment, described treatment unit is by support, magneticaction device, flexible heating-type feeder, hopper, medicament sprinker, sensor, sludge collector forms, wherein, flexible heating-type feeder is comprised of heating in water bath cylinder and mud charging hopper, be sandwich cylinder, one end of flexible heating-type feeder is fixedly connected on support by support bar, magneticaction device is by the first stainless steel plate, the first powerful permanent iron, the second stainless steel plate and the second powerful permanent iron form, the first powerful permanent iron and the second powerful permanent iron are that toroidal is embedded in respectively in the first stainless steel plate and the second stainless steel plate, the first stainless steel plate is the top that is positioned at one end of flexible heating-type feeder and is fixed on support, the second stainless steel plate is the other end that is positioned at flexible heating-type feeder, be fixedly connected with on the dovetail-indent planker being arranged on support, the first stainless steel plate and the second stainless steel plate are parallel to each other, the first powerful permanent iron and second line of powerful permanent iron central point and the dead in line of mud charging hopper, the first powerful permanent iron and the second powerful permanent iron are 1.1:1 with the diameter ratio of mud charging hopper, heating in water bath cylinder is provided with circulating line, on circulating line, be provided with outer circulation water bath with thermostatic control, hopper outlet connects the import of agitator through pipeline, outlet at agitator connects the import of mud charging hopper through pipeline, the outlet of mud charging hopper connects another import on agitator through pipeline, on pipeline, be provided with sludge pump, moisture transducer, pH sensor, capillary water absorbing time tester, capillary water absorbing time tester, moisture transducer, pH sensor is between sludge pump and agitator, on agitator, be provided with medicament sprinker, medicament sprinker top is provided with Pneumatic propelling plant, the bottom of mud charging hopper is provided with discharge valve, discharge valve connects sludge collector through pipeline.
In described hopper, be provided with moisture transducer and pH sensor.
In described heating in water bath cylinder, be provided with temperature sensor, in described mud charging hopper, be provided with temperature sensor.
In described flexible heating-type feeder outside wall surface, be provided with tack bolt.
Owing to adopting above technical scheme, a kind of mud magnetization dehydration treatment equipment the present invention relates to, the magneticaction device adopting can form the magnetic field of different gradients, be inlaid with powerful permanent iron magneticaction device can be with the flexible synchronizing moving of flexible heating-type mud feeder, can be to different magnetic field gradient, the pre-treatment of dewatering of mud under condition of different temperatures, the outer circulation water bath with thermostatic control adopting mud is heated evenly and temperature-controlled precision high, sludge pump can make mud sample constantly circulate, guarantee the magnetization of mud sample evenly, moisture and the pH value of moisture transducer and pH sensor Real-Time Monitoring mud in working cycle, capillary water absorbing time tester can be measured sludge capillary water absorbing time, medicament sprinker can be according to the addition of monitoring data auto-control medicament, the present invention is reasonable in design, simple in structure, easily manufactured, can reach pollution-free to the modified process of sludge dewatering, easy to operate, less energy consumption, cost is low and can optimize sludge dewatering best of breed parameter under multivariate factor Collaborative Control condition.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
specific implementation method
Below in conjunction with accompanying drawing, the present invention is explained in further detail:
A kind of mud magnetization dehydration treatment equipment, described treatment unit is by support 1, magneticaction device, flexible heating-type feeder, hopper 8, medicament sprinker 10, sensor, sludge collector 17 forms, wherein, flexible heating-type feeder is comprised of heating in water bath cylinder 4 and mud charging hopper 6, be sandwich cylinder, heating in water bath cylinder 4 and mud charging hopper 6 be an integral body can simultaneous retractable and stopping property good, in flexible heating-type feeder outside wall surface, be provided with tack bolt, when the length of flexible heating-type feeder reaches requirement, screwed in place bolt positions, in heating in water bath cylinder 4 and mud charging hopper 6, be provided with temperature sensor, in hopper 8, be provided with moisture transducer and pH sensor, one end of flexible heating-type feeder is fixedly connected on support 1 by support bar, magneticaction device is by the first stainless steel plate 14, the first powerful permanent iron 15, the second stainless steel plate 3 and the second powerful permanent iron 5 form, on the first stainless steel plate 14 and the second stainless steel plate 3, have through hole, the first powerful permanent iron 15 of patty and the second powerful permanent iron 5 of patty are embedded in respectively in the first stainless steel plate 14 and the second stainless steel plate 3, the first stainless steel plate 14 is positioned at one end of flexible heating-type feeder and is fixed on the top of support 1, the second stainless steel plate 3 is positioned at the other end of flexible heating-type feeder, be fixedly connected with on the dovetail-indent planker 2 being arranged on support 1, movement the first stainless steel plate by dovetail-indent planker 2 can move freely, the phase mutual edge distance of two blocks of magnet is synchronizing moving with the flexible of flexible heating-type mud feeder, the first stainless steel plate 14 and the second stainless steel plate 3 are parallel to each other, the first powerful permanent iron 15 and second line of powerful permanent iron 5 central points and the dead in line of mud charging hopper 6 and mode is arranged for there is a natural attraction between the sexes.The first powerful permanent iron 15 and the second powerful permanent iron 5 are 1.1:1 with the diameter ratio of mud charging hopper 6, the one side that the first powerful permanent iron 5 and the second powerful permanent iron 15 deviate from mud charging hopper 6 is provided with an iron plate that can cover powerful permanent iron, and iron plate can strengthen the magneticstrength of powerful permanent iron 1/3rd.Heating in water bath cylinder 4 is provided with circulating line, on circulating line, be provided with outer circulation water bath with thermostatic control 12, hopper 8 outlets connect the import of agitator 7 through pipeline, outlet at agitator 7 connects the import of mud charging hopper 6 through pipeline, the outlet of mud charging hopper 6 connects another import on agitator 7 through pipeline, on pipeline, be provided with sludge pump 13, moisture transducer, pH sensor, capillary water absorbing time tester 11, moisture transducer, pH sensor and capillary water absorbing time tester 11 are between sludge pump 13 and agitator 7, on agitator 7, be provided with medicament sprinker 10, medicament sprinker 10 tops are provided with Pneumatic propelling plant 9, the bottom of mud charging hopper 6 is provided with discharge valve 16, discharge valve 16 connects sludge collector 17 through pipeline, at device, be outside equipped with shielded cell, shielded cell can be by the high-intensity magnetic field shielding of magneticaction device, avoid in laboratory the article such as irony cutter to damage testing crew and electronics is magnetized and affects use.
The principle of work of testing apparatus of the present invention:
While carrying out test, take shielded cell away, the handwheel that shakes dovetail-indent planker 2 is adjusted the relative distance of the first powerful permanent iron 15 and the second powerful permanent iron 5, the midpoint magnetic field of measuring two magnetic blow out centre point lines with Tesla meter, stops shaking handwheel when magneticstrength is reached to requirement.According to the length of the flexible heating-type mud feeder of the distance adjustment of two blocks of magnet and fix the tack bolt of flexible heating-type mud feeder outer wall.Connect computer control system power supply, open computer control system, make the sensor can on-line real time monitoring data.Open outer circulation water bath with thermostatic control 12 temperature of heating in water bath cylinder 4 is controlled to required value.Open the valve being arranged between hopper 8 and agitator 7, agitator 7 belows connect the valve of mud charging hopper 6, close the valve between sludge pump 13 and mud charging hopper 6.By hopper 8, to mud charging hopper 6, add samples, be arranged on moisture and pH value that the moisture transducer of hopper 8 and pH sensor can Real-Time Monitoring samples by Controlling System.When the mud sample of 6 li of mud charging hoppers approaches volume, close the valve between hopper 8 and agitator 7, open the valve between sludge pump 13 and mud charging hopper 6.Through sludge pump 13, mud sample is constantly circulated, moisture and pH value that can Real-Time Monitoring circulation sample in working cycle, capillary water absorbing time tester 11 can record the capillary water absorbing time of mud sample, and medicament sprinker 10 can regulate and control medicament by red-tape operati system automatically according to monitoring data.When magnetizing time reaches requirement, close agitator 7 belows and connect the valve of mud charging hopper 6 and the valve between sludge pump 13 and mud charging hopper 6, and open discharge valve 16, by the mud of collecting in sludge collector 17 after magnetization is processed, carry out subsequent detection, detected rear appropriate disposal.Off-test, closes all valves of testing apparatus and Controlling System power supply, cleans and nurse testing apparatus, builds shielded cell for test and prepare next time.
Claims (4)
1. a mud magnetizes dehydration treatment equipment, it is characterized in that: described treatment unit is by support (1), magneticaction device, flexible heating-type feeder, hopper (8), medicament sprinker (10), sensor, sludge collector (17) forms, wherein, flexible heating-type feeder is comprised of heating in water bath cylinder (4) and mud charging hopper (6), be sandwich cylinder, one end of flexible heating-type feeder is fixedly connected on support (1) by support bar, magneticaction device is by the first stainless steel plate (14), the first powerful permanent iron (15), the second stainless steel plate (3) and the second powerful permanent iron (5) form, the first powerful permanent iron (15) and the rounded shape of the second powerful permanent iron (5) are embedded in respectively in the first stainless steel plate (14) and the second stainless steel plate (3), the first stainless steel plate (14) is positioned at one end of flexible heating-type feeder and is fixed on the top of support (1), the second stainless steel plate (3) is positioned at the other end of flexible heating-type feeder, be fixedly connected with on the dovetail-indent planker (2) being arranged on support (1), the first stainless steel plate (14) and the second stainless steel plate (3) are parallel to each other, the first powerful permanent iron (15) and second line of powerful permanent iron (5) central point and the dead in line of mud charging hopper (6), the first powerful permanent iron (15) and the second powerful permanent iron (5) are 1.1:1 with the diameter ratio of mud charging hopper (6), heating in water bath cylinder (4) is provided with circulating line, on circulating line, be provided with outer circulation water bath with thermostatic control (12), hopper (8) outlet connects the import of agitator (7) through pipeline, outlet at agitator (7) connects the import of mud charging hopper (6) through pipeline, the outlet of mud charging hopper (6) connects upper another import of agitator (7) through pipeline, on pipeline, be provided with sludge pump (13), moisture transducer, pH sensor, capillary water absorbing time tester (11), moisture transducer, pH sensor and capillary water absorbing time tester (11) are positioned between sludge pump (13) and agitator (7), on agitator (7), be provided with medicament sprinker (10), medicament sprinker (10) top is provided with Pneumatic propelling plant (9), the bottom of mud charging hopper (6) is provided with discharge valve (16), discharge valve (16) connects sludge collector (17) through piping.
2. a kind of mud magnetization dehydration treatment equipment as claimed in claim 1, is characterized in that: in described hopper (8), be provided with moisture transducer and pH sensor.
3. a kind of mud magnetization dehydration treatment equipment as claimed in claim 1, is characterized in that: in described heating in water bath cylinder (4), be provided with temperature sensor, in described mud charging hopper (6), be provided with temperature sensor.
4. a kind of mud magnetization dehydration treatment equipment as claimed in claim 1, is characterized in that: in described flexible heating-type feeder outside wall surface, be provided with tack bolt.
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| CN201310580726.2A CN103553292B (en) | 2013-11-19 | 2013-11-19 | Sludge magnetization dehydration treatment device |
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| CN201310580726.2A CN103553292B (en) | 2013-11-19 | 2013-11-19 | Sludge magnetization dehydration treatment device |
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| CN106430900B (en) * | 2016-11-15 | 2023-04-07 | 江苏道科环境科技有限公司 | Device and method for quantitatively adding sludge |
| CN107055999A (en) * | 2017-05-27 | 2017-08-18 | 杭州源茁环保科技有限公司 | The device and method for improving municipal sludge dewatering is reacted by microbial lytic |
| CN113348152A (en) * | 2018-08-17 | 2021-09-03 | 莫尼耶技术有限公司 | Method for extracting water from sludge by magnetic treatment |
| CN114632375A (en) * | 2022-04-19 | 2022-06-17 | 江西省欧陶科技有限公司 | Device for reducing water content of ceramic slurry and operation method |
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| JPH0456793A (en) * | 1990-06-26 | 1992-02-24 | Tokai Carbon Co Ltd | Production of electrode coated with magnetite |
| CN2853789Y (en) * | 2005-12-16 | 2007-01-03 | 苏州科技学院 | Magnetizing dewatering regulator for sludge |
| CN102336508B (en) * | 2011-10-18 | 2014-09-17 | 东莞市高能磁电技术有限公司 | Method and system for quickly dehydrating and recycling municipal sewage sludge |
| CN103121786B (en) * | 2013-02-27 | 2014-04-30 | 林秀梅 | Integrated condensation dehydration and waste heat utilization sludge treatment device and technological process |
| CN203568957U (en) * | 2013-11-19 | 2014-04-30 | 中国科学院武汉岩土力学研究所 | Sludge magnetization dehydration treatment device |
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Effective date of registration: 20180426 Address after: 214200 Green Garden Road, ring Park, Yixing, Jiangsu Province, No. 528 Patentee after: JIANGSU ZHONGYI ECOLOGICAL SOIL INSTITUTE CO., LTD. Address before: 430071 small Hongshan 2, fruit lake street, Wuchang District, Wuhan, Hubei. Patentee before: Wuhan Institute of rock and soil mechanics, Chinese Academy of Sciences |
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