CN105540749A - Rural garbage leachate tower-type treatment device - Google Patents
Rural garbage leachate tower-type treatment device Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/06—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing polymers
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/42—Liquid level
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Abstract
The invention discloses a rural garbage leachate tower-type treatment device. The device comprises a buffer pool, a water lifting device, a water distributing disperser, a reaction tower, an electrochemical catalyst material, a ventilation opening, a water collection groove, a drainpipe, a support and an intelligent control system. Sewage in the buffer pool is conveyed to the water distributing disperser at the upper end of the reaction tower through the water lifting device. The water distributing disperser disperses the sewage to the top of the reaction tower. The sewage flows through the reaction tower from top to bottom and completely reacts with the electrochemical catalyst material to produce clear water. The clear water enters the water collection groove at the bottom of the reaction tower and is finally discharged through the drainpipe and simultaneously, air enters the reaction tower through the ventilation opening from bottom to top and provides oxygen for a reaction. The rural garbage leachate tower-type treatment device has the advantages of large sewage treatment amount, high volume load, small land occupation area, low operation cost and wide application range.
Description
Technical field
The invention belongs to field of sewage treatment, be specifically related to the tower treatment unit of a kind of rural garbage percolate.
Background technology
Rural garbage percolate refers to and derives from the moisture that in the landfill of rural garbage, rubbish itself contains, the sleet water entering landfill and other moisture, the saturation moisture capacity of rubbish, overburden layer, and experience waste layer and overburden layer and the organic waste water of a kind of high density formed.
In view of residents in rural community pollutes feature that is wide, that comparatively disperse, in recent years, numerous scholar has carried out useful exploration in improvement residents in rural community Method and Technology means:
Due to economic level and humanistic environment difference, and the nonuniformity of rural area landfill waste and variability, Chinese scholars is analyzed heavy metal source in the landfill waste of rural area.Ren Fumin etc. show Beijing Suburb landfill waste sampling analysis result, and in landfill waste, the content of Cu, Zn, Pb content is all beyond the index of national regulation.In king, the heavy metal content of small towns, reservoir area of Three Gorges landfill waste has been investigated by Austria etc., and wherein the content of As, Hg, Pb, Cd exceeds standard equally.The research such as Fryhammar finds that the heavy metal concentration in the landfill waste of rural area is the highest, Zn and Cu content can reach 267.7mg/kg and 139mg/kg respectively.Due to landfill waste, to produce source very complicated, different from city landfill waste sorting, management by different levels, makes data in the report of heavy metal source research in the landfill waste of existing rural area there is many differences.
Developed area township industry is flourish, and its refuse landfill contains a large amount of trade waste, makes heavy metal reside in the refuse landfill of small towns, the sustainable release hundreds of of its residual heavy metal even more than one thousand years.Therefore, need carry out day-night observation to the environmental behaviour of heavy metal in the landfill waste of small towns, meanwhile, in reply landfill waste, the environmental behaviour of heavy metal carries out effective environmental impact assessment.Deng Huan extensively etc. adopts the content of potential ecological risk assessment to Shanghai City Lao Gangzhen refuse landfill tidal flat rubbish heavy metal to evaluate, show that Lao Gang town tidal flat Heavy Metal Pollution is Zn>Cu>Pb>Cr, the potential ecological hazard that these 4 kinds of elements cause is medium, and wherein the toxicity contribution of Cu and Pb is larger.
Heavy metal migration in the environment, conversion and bio-toxicity and its chemical form closely related, meanwhile, the environmental behaviour of heavy metal is also determined by its form.But the research about Speciation Analysis of Heavy Metals in landfill waste is little, Flyhanunar etc. adopt continuous extraction to have studied the release behavior of heavy metal in fine particle rubbish under garbage aerobic landfill condition.Zhang Hui etc. determine distribution and the chemical form of heavy metals in garbage element, and wherein residual form is main form.
In landfill waste composting process, because microbial decomposition makes organism reduce, cause the relative increase of heavy metal content simultaneously.Bardos finds that the heavy metal of composting production is mainly derived from wherein fine particle rubbish.
At present, rural environmental pollution is on the rise, and disorderly the phenomenon of falling domestic refuse is serious, and the environmental quality of sanitary condition and neighbouring water body is seriously damaged, and serious threat is physically and mentally healthy and safe drinking water to urban residents.Administer residents in rural community, livestock and poultry cultivation movement, improve sanitary conditions, improve life of farmers level, carrying out comprehensive improvement to rural environment, is the important content of building a New Socialist Countryside.
Landfill waste Disposal sites, rural area, chronic sun exposure drenches with rain simultaneously garbage loading embeading degradation material under the effect of microorganism, to be hydrolyzed rapidly, the reaction such as acid-fermentation and methanation, some metal ions contained in waste component, discharge from refuse with the form of percolate under its effect, thus forming the secondary pollution of landfill yard, heavy metal is then the material of most toxicity in percolate.
Research rural garbage processing mode, especially with the stability of the heavy metal after land-fill method process, chemical form change, the Transport of research rural garbage landfill yard heavy metal are one of very important problems of socio-economic development.Therefore; no matter from the consideration of each side such as economic benefit, social benefit or environmental benefit; the heavy metal stabilizing of research rural area landfill waste Heavy Metal Pollution Control and pollution assessment; to pollution assessment heavy metal contamination in solution Rural Areas at Present evolution; protect the fields the environmental quality of soil, surface water and groundwater; for the maintenance of pollution assessment, management and recycling provide the theoretical foundation of science; meanwhile, to reducing rural garbage landfill yard heavy metal secondary pollution and instructing the closing security control of landfill yard to have important practical significance.Meanwhile, the change of this patent research residents in rural community Chemical Forms of Heavy Metals, Transport, instruct disposal of garbage and management, reduce the running cost for the treatment of system, for rural area distributing refuse treatment provides technical support.
existing COD detection method
Chemical oxygen demand (COD) (ChemicalOxygenDemand is called for short COD) refers under strong acid and heated reflux condition, is oxidized, and adds Ag with strong oxidizer (as potassium bichromate, potassium permanganate or Potassium Iodate etc.) to organism in water body
+as catalyzer, the amount of reacting the oxygenant consumed is converted into the amount of oxygen, its unit is mg/L.Because in waste water, organism kinds is a lot of, composition is complicated, is difficult to quantitative and qualitative analysis, so the overall target polluted as water body organism with COD, and one of its oneself important parameter becoming water quality monitoring (WQM), significant to grasping degree of water pollution in time.The detection technique of existing COD is as follows.
1. National Standard Method (volumetry)
At present, the standard method that China COD measures mainly contains potassium dichromate process and potassium permanganate process two kinds.The ultimate principle of potassium dichromate process (GB11914-89) is as follows: in strongly acidic solution, catalyst A g
2s0
4under existence, use strong oxidizer K
2cr
2o
7organism in oxidizing water, uses (NH after condensing reflux 2h at a certain temperature
4)
2fe (SO
4)
2titration, according to the K consumed
2cr
2o
7amount calculates chemical oxygen demand, and represents with the concentration of oxygen (mg/L).This standard method is applicable to the monitoring of sanitary sewage and trade effluent, and its advantage is that accuracy is high, favorable reproducibility; But analytical cycle is long, energy consumption is high, is difficult to carry out batch quantity analysis; And need to use mercury salt, chromic salts, can secondary pollution be caused.Although current many investigators improve around digestion procedure, as adopted airtight digestion method, open pipe heating and decompose method, Microwave Digestion and Sonic chemical digestion method etc., all fail fundamentally to eliminate the problem of the secondary pollutions such as chromic salts.
Potassium permanganate process is divided into again acidic potassium permanganate method and basic potassium permanganate method.Acidic potassium permanganate method in water sample, adds sulfuric acid and excessive potassium permanganate carrys out oxidation of organic compounds, superfluous potassium permanganate reduces with excessive sodium oxalate, finally use the sodium oxalate of standardized potassium permanganate solution titration surplus, according to the consumption of potassium permanganate solution, calculate the COD value of water sample.Alkali formula potassium permanganate rule is in water sample, add alkaline solution and excessive potassium permanganate, after heating, adds excessive sodium oxalate and sulphuric acid soln, and superfluous sodium oxalate uses potassium permanganate solution residual titration again, thus tries to achieve the COD of water sample.These two kinds of methods are all applicable to water sample that is not contaminated or light contamination, and difference is, acidic potassium permanganate method can only analyze the water sample that chlorion is less than 300mg/L, and basic potassium permanganate method then can analyze the water sample that chlorion is greater than 300mg/L.Although the method is polluted lower, there is the shortcomings such as consuming time, oxidation capacity is poor, accuracy of measurement is low, the scope of application is narrower.
2. spectrography
The most frequently used COD spectrometry is ultraviolet one visible spectrophotometry, can be divided into again direct measuring method and Indirect Determination two class.The former directly obtains COD value by measuring organic ultra-violet absorption spectrum in water sample.Such as Zhang Guofeng etc. have the strong principle absorbed according to organism in ultraviolet spectrum district, determine the correlationship between the COD of experimental branch line waste water and absorbancy, and establish equation of linear regression.Indirect detection rule adds excessive potassium bichromate or other oxygenants under basic or acidic conditions, realized the mensuration of COD value after the reducing substances under certain condition in complete oxidation water by the absorbancy of spectrophotometer detection oxygenant.Such as Jiang etc. are by the absorbancy of water sample under mensuration 440nm and 560nm wavelength, try to achieve the concentration difference clearing up front and back dichromate ion, based on COD with to clear up the concentration difference of react front and back dichromate ion proportional, and then try to achieve the linear relationship of absorbancy under water sample COD value and dual wavelength.This method has deducted the impact of the spectrum baseline drift caused by suspended particle or stability of instrument, improves the reliability that COD measures, easy and simple to handle, and this method is applicable to measuring COD<100mg/L water sample, detects and is limited to 8.6mg/L.
In addition, determination by way of chemiluminescence analysis COD value also has report.Its principle utilizes oxygenant (as potassium bichromate etc.) to be oxidized reducing substances in water body, produce simultaneously material can cataluminescence system (as Luminol-H
2o system) produce strong chemoluminescence, and the chemiluminescence intensity produced and water sample COD have certain linear relationship.As Liu etc. passes through to measure the Cr produced after dichromate is oxidized water sample
3+with Luminol-H
2the chemiluminescence intensity of O system achieves the detection of COD, and its linearity range is 0.27-l0g/L, detects and is limited to 100mg/L.And for example Silvestre etc. utilize CdTe quantum under UV-irradiation, produce light base free radical and oxyradical and produce chemoluminescence to be oxidized luminol,3-aminophthalic acid cyclic hydrazide, if there is organism in water sample, then organism can consume part free radical, free radical for being oxidized luminol,3-aminophthalic acid cyclic hydrazide reduces, then corresponding chemiluminescence intensity weakens, and establishes the linear relationship between weakening of luminol chemiluminescence intensity and water sample COD based on this principle.This method linearity range is 1-35mg/L, and first quantum dot is used for the mensuration of COD, makes the mensuration of COD sensitiveer, accurate, quick, and the method is per hour measures 33 water samples.
(1) potentiometry
Potentiometry is the detection based on measuring the change of clearing up front and back solution potential and carry out COD.Dugin etc. are with Ce (S0
4)
2for oxygenant, utilize pH electrode and redox electrode directly to measure electromotive force, successfully achieve the mensuration of COD value.Zhu persons of outstanding talent etc. adopt oscillographic potentiometric titration, utilize technique of backflow processing sample, excessive potassium bichromate standardized solution titration, sporting terminal thus realizing the mensuration to water sample COD with phosphor dot on oscillographic potentiometric titration instrument.Beliustiu etc., with two kinds of different glass electrode composition batteries, directly measure the COD value that electromotive force measures water sample.
3. coulometric titration
Coulometric titration is in acidic medium, uses K
2cr
2o
7oxidizer treatment water sample, the Fe that excessive solution produces
2+carry out titration as titrating solution, produce Fe according to electrolysis
2+the electricity consumed, law calculates.As Zhu Shoufa etc. successfully determines the K of waste-water from coal mine with coulometric titration
2cr
2o
7electricity consumption according to faraday's COD value.This process simplify the step of demarcating volumetric soiutions, shorten return time, operate easier, analysis speed is faster, and precision is higher.In addition, what German, Chen Zhijun etc., also for the Railway Project existed in coulometric titration, as circulation ratio, poor stability, terminal are difficult to judge, are studied and improve, further increase the accuracy of mensuration.Above-mentioned potentiometry and coulometry method still exist that analysis time is long, operation is more loaded down with trivial details, can produce secondary pollution problems.
4. coulometry
Coulometry refers to and applies certain voltage on the working electrode (s, makes the complete electrolysis of the organism in water sample, and the voltameter according to consuming calculates COD value, and the key of this technology is the organism be all oxidized with the efficiency of 100% in water body.It is the micro electrolytic cell of working electrode that such as Lee etc. prepare a kind of Cu electrode, is determined the COD value of waste water water sample by Depletion electrolyzing organic, and its linearity range is 1-10mg/L, and complete electrolysis only needs 30min.This method is compared with potassium dichromate process, and analysis efficiency improves greatly.Lee etc. improve the structure of this thin-Layer Electrolytic Cell afterwards, make minute foreshorten to 3-10min, and are used successfully to the mensuration of actual lake water water sample, and measurement result is consistent with potassium dichromate process.
5. electric current
Electric current measures COD and applies certain voltage to working electrode, and the electric current produced when electrode surface is oxidized by detecting organism realizes.The method is additional oxidizer not, also not heating and decompose water sample, thoroughly avoids the secondary pollution of chromic salts.As Ai etc. prepares nanometer PbO by cyclic voltammetry in Pt electrode surface original position
2, and adopt Amperometric Detection Coupled technology to be used successfully to the mensuration of the different COD in water body such as wastewater from chemical industry, pharmacy waste water, municipal effluent, food wastewater and hospital wastewater.Prepared PbO
2particle diameter is about 50-70nm, this considerably increases the adsorption site of electrode surface, accelerates the speed of oxidation operation DeR, thus improves mensuration sensitivity.Li etc. utilize F doping PbO
2electrode also successfully achieves the detection of COD in conjunction with Using Flow Injection Analysis.The doping of F adds the quantity of the surface site be not occupied, and thus significantly improves the electrocatalysis ability of electrode.Ma etc. adopt galvanostatic deposition and pyrolytic technique at Ti surface preparation Sb-SnO
2coating, and then the upper PbO of deposition
2sensitive layer, in order to compare, also prepares F-PbO on Ti surface
2coating.Research finds, Ti/Sb-Sn0
2/ PbO
2organism thoroughly can be degraded into CO by electrode
2and H
20, to the degraded comparatively Ti/Sb-Sn0 of phenols
2/ PbO
2electrode is more effective, and background current is less, therefore, and Ti/Sb-Sn0
2/ PbO
2electrode is more suitable for the mensuration of COD.The linearity range of this electrode is 0.5-200mg/L, detects and is limited to 0.3mg/L, and the COD being used successfully to synthesized slit and actual water sample analyzes.
Although PbO
2electrode achieves good effect in mensuration COD, but also has its defect, be mainly manifested in electrode prepare loaded down with trivial details, that use range is limited, electrode repairs difficult and work-ing life is short etc.For this reason, other novel COD sensitive electrode is also reported in succession.Such as Yu etc. prepare boron-doped diamond (BDD) film in T1 surface microwave plasma CVD technology, Amperometric Detection Coupled technology is utilized to achieve sensitive, the Fast Measurement of COD, linearity range is 20-9000mg/L, detects and is limited to 7.5mg/L.This electrode possesses that electrochemical window is wide, background current is little, long service life, be easy to from purifying activator, can be recycled, stability and many good characteristics such as circulation ratio is high, environment compatibility is good.After this, Yu etc. are again by Flow Injection Technique and the coupling of BDD electrode, and further increase COD and measure sensitivity, linearity range 2-75mg/L, detection limit reaches 1mg/L.This method achieves original position, on-line monitoring, not only substantially reduces analysis time, improves circulation ratio, and significantly reduces reagent dosage, more environmental friendliness.
In addition, Si1va etc. have prepared Cu/CuO electrode, and have developed a kind of electrochemical method measuring COD, and the linearity range measuring COD by linear time base sweep method is 53-2801.4mg/L, detection limit 20.3mg/L, and the mensuration being used successfully to actual waste water.In alkaline medium, Cu/CuO electrode surface can produce a large amount of Cu/CuO, and then by organism Quick Oxidation, thus achieve quick, the Sensitive Detection of COD.
Summary of the invention
Can find out in sum, the domestic and international research about urban refuse sanitary landfill at present achieves certain achievement, also relatively ripe.And for water pollution in countryside, land resources present situation in short supply and day by day increasing, if only rest on simple, inefficient method process the process of residents in rural community quality of life requirement.Heavy Metals in the pollution of heavy metal component in the treatment process of various rural garbage, content in percolate, garbage compost heavy metals in process and Landfill Stabilization Rate process all has bibliographical information.And seldom have report for the heavy metal migration rule in the rural garbage process extensively existed and environmental effect thereof.
In order to solve the problems of the technologies described above, the invention provides the tower treatment unit of a kind of rural garbage percolate, comprise support 8, be positioned at the Buffer Pool 1 bottom support 8, be positioned at the reaction tower 4 above support 8, with the picotan 2 be connected with reaction tower 4 top bottom Buffer Pool 1, be positioned at the cloth water dispersion device 3 at reaction tower 4 top, be positioned at the ventilation opening 5 bottom reaction tower 4, be positioned at the water leg 6 of ventilation opening 5 bottom, the water shoot 7 be connected with water leg 6, and intelligent control system 9.
Further, described cloth water dispersion device 3 comprises: motor 3-1, transmission shaft 3-2, cloth tank 3-3 and COD sensor 3-4; Motor 3-1 is arranged vertically within directly over reaction tower 4 top, motor 3-1 bottom and reaction tower 4 top seamless welding; Transmission shaft 3-2 is positioned at motor 3-1 center, and transmission shaft 3-2 is inner through reaction tower 4 top insertion reaction tower 4, and transmission shaft 3-2 one end is connected with motor 3-1; It is inner that cloth tank 3-3 is positioned at reaction tower 4 upper end, vertical welding in the middle part of the transmission shaft 3-2 the other end and cloth tank 3-3, cloth tank 3-3 is the vee gutter body structure of upper end horizontal opening, cloth tank 3-3 bottom land is 50cm ~ 70cm apart from the distance at reaction tower 4 top, cloth tank 3-3, except top, all the other cell walls is distributed with oval water distributing pore, and water distributing pore quantity is no less than 20; The side of cloth tank 3-3 is provided with COD sensor 3-4, and it is connected with intelligent control system 9 by wire.
Further, described reaction tower 4 comprises: water level sensor 4-1, supporting plate 4-2 and electrochemical catalyst material 4-3; Water level sensor 4-1 is positioned on the sidewall of reaction tower 4 upper end, and the distance at water level sensor 4-1 distance reaction tower 4 top is 50cm ~ 80cm, and water level sensor 4-1 is connected by wire with intelligent control system 9; Supporting plate 4-2 is circular arachnoid cell structure, and supporting plate 4-2 is parallel to reaction tower 4 sole arrangement, and supporting plate 4-2 is equally spaced in reaction tower 4, supporting plate 4-2 periphery and reaction tower 4 inwall seamless welding, and supporting plate 4-2 quantity is no less than 5 pieces; Electrochemical catalyst material 4-3 is cylinder shape hollow tube, electrochemical catalyst material 4-3 length is 1m ~ 2m, electrochemical catalyst material 4-3 external diameter is 8cm ~ 10cm, electrochemical catalyst material 4-3 hollow space is hexagonal structure, electrochemical catalyst material 4-3 is vertically placed on supporting plate 4-2, every layer of supporting plate 4-2 puts electrochemical catalyst material 4-3 and is no less than 40, except the superiors supporting plate 4-2, other supporting plates 4-2 all puts electrochemical catalyst material 4-3.
Further, described electrochemical catalyst material 4-3 is by macromolecular material moulded section, and moiety and the manufacturing processed of electrochemical catalyst material 4-3 are as follows:
(1) electrochemical catalyst material 4-3 moiety:
Count by weight, 2-BCA 3 ~ 37 parts, Aliphatic Polycarbonatediols 2 ~ 28 parts, 1, 3-dihydroxymethyl-5, 5-T10 3 ~ 34 parts, isobutyl vinyl ether-glycidyl 3 ~ 37 parts, dibenzyl oxalate 1 ~ 29 part, nano level sulfuric acid rhenium 10 ~ 70 parts, concentration is 3 of 15ppm ~ 220ppm, 5-dibromobenzoic acid 40 ~ 64 parts, N-dimethylamino succinamic acid 1 ~ 27 part, diallyl maleate (Z)-(E)-butenedioic acid 2 ~ 24 parts, linking agent 3 ~ 46 parts, poly-fumaric acid propylene glycol ester 1 ~ 18 part, 4, 4 '-dimethoxy Triphenyl methane chloride 99 1 ~ 17 part, 2, 4-dihydroxyl-3, the bromo-6-methylbenzoic acid ethyl ester of 5-bis-1 ~ 12 part, N-methyl-N-cyclohexyl-2-amino-3, 5-dibromobenzene methylamine 2 ~ 27 parts,
Described linking agent is any one in 1-ethyl-3-dimethylaminopropyl-carbodiimide hydrochloride, N-hydroxy-succinamide, 1,2-butanediol diglycidyl ether;
The particle diameter of described nano level sulfuric acid rhenium is 2nm ~ 31nm;
(2) manufacturing processed of electrochemical catalyst material 4-3, comprises following steps:
1st step, add the ultrapure water 400 ~ 850 parts that specific conductivity is 0.0001 μ S/cm ~ 0.06 μ S/cm in a kettle., start agitator in reactor, rotating speed is 60rpm ~ 80rpm, starts heat pump, makes reactor temperature rise to 65 DEG C ~ 85 DEG C; Add 2-BCA, Aliphatic Polycarbonatediols, 1,3-dihydroxymethyl-5,5-T10 successively, be stirred to and dissolve completely, adjust ph is 4.0 ~ 8.5, and agitator speed is adjusted to 90rpm ~ 180rpm, temperature is 100 DEG C ~ 160 DEG C, reacts 5 ~ 12 hours;
2nd step, get IVE, dibenzyl oxalate pulverize, powder diameter is 450 ~ 550 orders; Add nano level sulfuric acid rhenium to mix, be laid in pallet, tiling thickness is 10 ~ 20mm, and employing dosage is 15kGy ~ 45kGy, alpha-ray irradiation that energy is 2.5MeV ~ 20.5MeV 20 ~ 55 minutes;
3rd step, to be dissolved in 3,5-dibromobenzoic acid through the mixed powder of the 2nd step process, to add reactor, agitator speed is 70rpm ~ 190rpm, temperature is 80 DEG C ~ 97 DEG C, starts vacuum pump and makes the vacuum tightness of reactor reach-0.01MPa ~-0.06MPa, keep this state response 3 ~ 10 hours; Pass into nitrogen after pressure release to 0MPa, make reacting kettle inner pressure be 0.004 ~ 0.014MPa, agitator speed is promoted to 120rpm ~ 250rpm, insulation constant speed reaction 2 ~ 6 hours; Reactor pressure release is afterwards to 0MPa; Add N-dimethylamino succinamic acid successively, after diallyl maleate (Z)-(E)-butenedioic acid dissolves completely, add linking agent and be uniformly mixed, make the hydrophile-lipophile balance value of reactor solution be 5.3 ~ 9.5, insulation leaves standstill 1 ~ 5 hour;
4th step, when agitator speed is 120rpm ~ 180rpm, add poly-fumaric acid propylene glycol ester, 4 successively, 4 '-dimethoxy Triphenyl methane chloride 99,2, the bromo-6-methylbenzoic acid ethyl ester of 4-dihydroxyl-3,5-bis-and amino-3, the 5-dibromobenzene methylamines of N-methyl-N-cyclohexyl-2-, promote reactor pressure, make it reach 0.02MPa ~ 0.15MPa, temperature is 100 DEG C ~ 125 DEG C, polyreaction 8 ~ 16 hours; After having reacted, reacting kettle inner pressure is down to 0MPa, be cooled to 35 DEG C ~ 60 DEG C, discharging, pours raw material into press molding machine, carries out moulded section and can obtain electrochemical catalyst material 4-3.
Further, the treatment process of the tower filter apparatus of described biology, sewage is delivered to reaction tower 4 tip position from Buffer Pool 1 by picotan 2, motor 3-1 starts, the transmission shaft 3-2 be connected with motor 3-1 follows rotation, transmission shaft 3-2 drives cloth tank 3-3 to rotate, sewage is spread to uniformly reaction tower 4 inner, sewage flows through from reaction tower 4 from top to bottom, repeatedly through supporting plate 4-2 and electrochemical catalyst material 4-3, sewage, reacting with electrochemical catalyst material 4-3, becomes clear water and flows to underdrain groove 6, finally discharge from water shoot 7;
When COD sensor 3-4 determine high-concentration sewage by time, will electrical signal be produced, pass to intelligent control system 9, the water pump on intelligent control system 9 control picotans 2, reduce flooding velocity, increase motor 3-1 rotating speed, accelerate metabolic reaction; When water level in reaction tower 4 rises to water level sensor 4-1 position, water level sensor 4-1 sends a signal to intelligent control system 9, intelligent control system 9 controls picotan 2 and cloth water dispersion device 3 quits work, after 10min, intelligent control system 9 controls picotan 2 and cloth water dispersion device 3 starts again, starts working.
Further, the pilot circuit in described intelligent control system 9, comprises logical isolating switch 9-1, signal amplifier 9-2, power frequency loop device 9-3, AC converter 9-4, signal trigger 9-5; Described power frequency loop device 9-3, AC converter 9-4, signal trigger 9-5 are connected with the pump motor in picotan 2; Described AC converter 9-4 and signal trigger 9-5 is connected in series, and the AC converter 9-4 be simultaneously connected in series and signal trigger 9-5 is in parallel with signal amplifier 9-2 two ends; AC converter 9-4 and signal trigger 9-5 receives the control signal that COD sensor 3-4 sends;
The signal that the COD sensor 3-4 of described pilot circuit gathers is sent to doppler analysis module 10-2 through digital-to-analogue conversion module 10-1, doppler analysis module 10-2 sends instruction to intermediate relay 10-3 and status of a sovereign frequency transformer 10-4, work frequency conversion modular converter 10-5 in control loop, switches the operating frequency of status of a sovereign frequency transformer 10-4 by operating frequency simultaneously;
Between described doppler analysis module 10-2 and intermediate relay 10-3, be serially connected with repeating signal synchronizer 10-6;
Described COD sensor 3-4 adopts AR01, digital-to-analogue conversion module 10-1 adopts D-24, doppler analysis module 10-2 adopts AQW-3-301, intermediate relay 10-3 adopts ZJ-4, status of a sovereign frequency transformer 10-4 adopts TTC-1, work frequency conversion modular converter 10-5 adopts WTB-121, repeating signal synchronizer 10-6 to adopt ZJXHTB-101W; Logical isolating switch 9-1 adopts DLA-20, signal amplifier 9-2 to adopt XHFSQ-23, and power frequency loop device 9-3 adopts GBCF-D-32G, AC converter 9-4 to adopt JBD-32G, and signal trigger 9-5 adopts XHC-11.
Percolate tower treatment unit in a kind of rural garbage disclosed in patent of the present invention, its advantage is.
(1) this device adopts biological tower type filter chamber, and the height of tower makes to be provided with electrochemical catalyst material in tower, and treatment effect can be made better.
(2) this device occupies little space, rational in infrastructure, and processing efficiency is high.
(3) this device can sewage type many, the scope of application is wide.
The tower treatment unit of a kind of rural garbage percolate of the present invention amount of disposing of sewage is large, volumetric loading is high, and floor space is little, working cost is low, and the scope of application is wide.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the tower treatment unit of a kind of rural garbage percolate described in the present invention.
Fig. 2 is the schematic diagram of the cloth water dispersion device described in the present invention.
Fig. 3 is electrochemical catalyst material structure schematic diagram in the reaction tower described in the present invention.
Fig. 4 is the intelligent control system circuit figure described in the present invention.
Fig. 5 is the intelligent control system control block diagram described in the present invention.
Fig. 6 is the intelligent control system control principle drawing described in the present invention.
In above Fig. 1 ~ Fig. 6, 1 is Buffer Pool, 2 is picotan, 3 is cloth water dispersion device, 3-1 is motor, 3-2 is transmission shaft, 3-3 is cloth tank, 3-4 is COD sensor, 4 is reaction tower, 4-1 is water level sensor, 4-2 is supporting plate, 4-3 is electrochemical catalyst material, 5 is ventilation opening, 6 is water leg, 7 is water shoot, 8 is support, 9 is intelligent control system, 9-1 is logical isolating switch, 9-2 is signal amplifier, 9-3 is power frequency loop device, 9-4 is AC converter, 9-5 is signal trigger, 10-1 is digital-to-analogue conversion module, 10-2 is doppler analysis module, 10-3 is intermediate relay, 10-4 is status of a sovereign frequency transformer, 10-5 is work frequency conversion modular converter.
Embodiment
Below in conjunction with accompanying drawing, the tower treatment unit of a kind of rural garbage percolate provided by the invention is further described.
As shown in Figure 1, be the tower treatment unit schematic diagram of a kind of rural garbage provided by the invention percolate, comprise Buffer Pool 1, picotan 2, cloth water dispersion device 3, reaction tower 4, ventilation opening 5, water leg 6, water shoot 7, support 8 and intelligent control system 9; Sewage is delivered to reaction tower 4 tip position from Buffer Pool 1 by picotan 2, sewage spreads in reaction tower 4 by cloth water dispersion device 3 uniformly, sewage flows through from the electrochemical catalyst material 4-3 in reaction tower 4 from top to bottom, with its complete reaction, become clear water to discharge from water shoot 7, meanwhile, air enters reaction tower 4 from bottom to top from ventilation opening 5 position, for reaction provides oxygen.
As shown in Fig. 1 ~ Fig. 2, described cloth water dispersion device 3 is made up of motor 3-1, transmission shaft 3-2 and cloth tank 3-3; When picotan 2 is started working, motor 3-1 starts, and the transmission shaft 3-2 be connected with motor 3-1 follows rotation, and transmission shaft 3-2 drives cloth tank 3-3 to rotate, sewage is spread to uniformly reaction tower 4 inner, simultaneously COD sensor 3-4 determine high-concentration sewage by time, will electrical signal be produced, pass to intelligent control system 9, water pump on intelligent control system 9 control picotans 2, reduce flooding velocity, increase motor 3-1 rotating speed, accelerate metabolic reaction.
As shown in figures 1 and 3, described reaction tower 4 is made up of water level sensor 4-1, supporting plate 4-2 and electrochemical catalyst material 4-3; When sewage flows through reaction tower 4 from top to bottom, repeatedly through supporting plate 4-2 and electrochemical catalyst material 4-3, sewage and electrochemical catalyst material 4-3 react, finally become clear water and flow to underdrain groove 6, when water level in reaction tower 4 rises to water level sensor 4-1 position, water level sensor 4-1 sends a signal to intelligent control system 9, intelligent control system 9 controls picotan 2 and cloth water dispersion device 3 quits work, after 10min, intelligent control system 9 controls picotan 2 and cloth water dispersion device 3 starts again, starts working.
As shown in Figure 5, be the intelligent control system control block diagram described in the present invention.Find out in figure that the signal that the COD sensor 3-4 of pilot circuit gathers is sent to doppler analysis module 10-2 through digital-to-analogue conversion module 10-1, doppler analysis module 10-2 sends instruction to intermediate relay 10-3 and status of a sovereign frequency transformer 10-4, work frequency conversion modular converter 10-5 in control loop, switches the operating frequency of status of a sovereign frequency transformer 10-4 by operating frequency simultaneously; Between doppler analysis module 10-2 and intermediate relay 10-3, be serially connected with repeating signal synchronizer 10-6.
As shown in Figure 6, be the intelligent control system control principle drawing described in the present invention.Find out the pilot circuit in intelligent control system 9 in figure, comprise logical isolating switch 9-1, signal amplifier 9-2, power frequency loop device 9-3, AC converter 9-4, signal trigger 9-5; Power frequency loop device 9-3, AC converter 9-4, signal trigger 9-5 are connected with the pump motor in picotan 2; AC converter 9-4 and signal trigger 9-5 is connected in series, and the AC converter 9-4 be simultaneously connected in series and signal trigger 9-5 is in parallel with signal amplifier 9-2 two ends; AC converter 9-4 and signal trigger 9-5 receives the control signal that COD sensor 3-4 sends.
The working process of the tower treatment unit of a kind of rural garbage percolate of the present invention is.
Sewage is delivered to reaction tower 4 tip position from Buffer Pool 1 by picotan 2, motor 3-1 starts, the transmission shaft 3-2 be connected with motor 3-1 follows rotation, transmission shaft 3-2 drives cloth tank 3-3 to rotate, and sewage is spread to uniformly reaction tower 4 inner, sewage flows through from reaction tower 4 from top to bottom, repeatedly through electrochemical catalyst material 4-3, sewage repeatedly reacts with electrochemical catalyst material 4-3, becomes clear water and flows to underdrain groove 6, finally discharge from water shoot 7.
When water level in reaction tower 4 rises to water level sensor 4-1 position, water level sensor 4-1 sends a signal to intelligent control system 9, intelligent control system 9 controls picotan 2 and cloth water dispersion device 3 quits work, after 10min, intelligent control system 9 controls picotan 2 and cloth water dispersion device 3 starts again, starts working.
The tower treatment unit of a kind of rural garbage percolate of the present invention amount of disposing of sewage is large, volumetric loading is high, and floor space is little, working cost is low, and the scope of application is wide.
Claims (6)
1. the tower treatment unit of rural garbage percolate, it is characterized in that, comprise support (8), be positioned at the Buffer Pool (1) of support (8) bottom, be positioned at the reaction tower (4) of support (8) top, the picotan (2) be connected with reaction tower (4) top with Buffer Pool (1) bottom, be positioned at the cloth water dispersion device (3) at reaction tower (4) top, be positioned at the ventilation opening (5) of reaction tower (4) bottom, be positioned at the water leg (6) of ventilation opening (5) bottom, the water shoot (7) be connected with water leg (6), and intelligent control system (9).
2. the tower treatment unit of a kind of rural garbage percolate according to claim 1, is characterized in that, described cloth water dispersion device (3) comprising: motor (3-1), transmission shaft (3-2), cloth tank (3-3) and COD sensor (3-4); Motor (3-1) is arranged vertically within directly over reaction tower (4) top, motor (3-1) bottom and reaction tower (4) top seamless welding; Transmission shaft (3-2) is positioned at motor (3-1) center, and transmission shaft (3-2) is inner through reaction tower (4) top insertion reaction tower (4), and transmission shaft (3-2) one end is connected with motor (3-1); It is inner that cloth tank (3-3) is positioned at reaction tower (4) upper end, transmission shaft (3-2) the other end and cloth tank (3-3) middle part vertical welding, the vee gutter body structure that cloth tank (3-3) is upper end horizontal opening, cloth tank (3-3) bottom land is 50cm ~ 70cm apart from the distance at reaction tower (4) top, cloth tank (3-3), except top, all the other cell walls is distributed with oval water distributing pore, and water distributing pore quantity is no less than 20; The side of cloth tank (3-3) is provided with COD sensor (3-4), and it is connected with intelligent control system (9) by wire.
3. the tower treatment unit of a kind of rural garbage percolate according to claim 1, is characterized in that, described reaction tower (4) comprising: water level sensor (4-1), supporting plate (4-2) and electrochemical catalyst material (4-3); Water level sensor (4-1) is positioned on the sidewall of reaction tower (4) upper end, and the distance at water level sensor (4-1) distance reaction tower (4) top is 50cm ~ 80cm, and water level sensor (4-1) is connected by wire with intelligent control system (9); Supporting plate (4-2) is circular arachnoid cell structure, supporting plate (4-2) is parallel to reaction tower (4) sole arrangement, supporting plate (4-2) is equally spaced in reaction tower (4), supporting plate (4-2) periphery and reaction tower (4) inwall seamless welding, and supporting plate (4-2) quantity is no less than 5 pieces; Electrochemical catalyst material (4-3) is cylinder shape hollow tube, electrochemical catalyst material (4-3) length is 1m ~ 2m, electrochemical catalyst material (4-3) external diameter is 8cm ~ 10cm, electrochemical catalyst material (4-3) hollow space is hexagonal structure, electrochemical catalyst material (4-3) is vertically placed on supporting plate (4-2), every layer of supporting plate (4-2) is put electrochemical catalyst material (4-3) and is no less than 40, except the superiors' supporting plate (4-2), other supporting plates (4-2) are all put electrochemical catalyst material (4-3).
4. the tower treatment unit of a kind of rural garbage percolate according to claim 3, is characterized in that, described electrochemical catalyst material (4-3) is by macromolecular material moulded section, and moiety and the manufacturing processed of electrochemical catalyst material (4-3) are as follows:
(1) electrochemical catalyst material (4-3) moiety:
Count by weight, 2-BCA 3 ~ 37 parts, Aliphatic Polycarbonatediols 2 ~ 28 parts, 1, 3-dihydroxymethyl-5, 5-T10 3 ~ 34 parts, isobutyl vinyl ether-glycidyl 3 ~ 37 parts, dibenzyl oxalate 1 ~ 29 part, nano level sulfuric acid rhenium 10 ~ 70 parts, concentration is 3 of 15ppm ~ 220ppm, 5-dibromobenzoic acid 40 ~ 64 parts, N-dimethylamino succinamic acid 1 ~ 27 part, diallyl maleate (Z)-(E)-butenedioic acid 2 ~ 24 parts, linking agent 3 ~ 46 parts, poly-fumaric acid propylene glycol ester 1 ~ 18 part, 4, 4 '-dimethoxy Triphenyl methane chloride 99 1 ~ 17 part, 2, 4-dihydroxyl-3, the bromo-6-methylbenzoic acid ethyl ester of 5-bis-1 ~ 12 part, N-methyl-N-cyclohexyl-2-amino-3, 5-dibromobenzene methylamine 2 ~ 27 parts,
Described linking agent is any one in 1-ethyl-(3-dimethylaminopropyl)-carbodiimide hydrochloride, N-hydroxy-succinamide, 1,2-butanediol diglycidyl ether;
The particle diameter of described nano level sulfuric acid rhenium is 2nm ~ 31nm;
(2) manufacturing processed of electrochemical catalyst material (4-3), comprises following steps:
1st step, add the ultrapure water 400 ~ 850 parts that specific conductivity is 0.0001 μ S/cm ~ 0.06 μ S/cm in a kettle., start agitator in reactor, rotating speed is 60rpm ~ 80rpm, starts heat pump, makes reactor temperature rise to 65 DEG C ~ 85 DEG C; Add 2-BCA, Aliphatic Polycarbonatediols, 1,3-dihydroxymethyl-5,5-T10 successively, be stirred to and dissolve completely, adjust ph is 4.0 ~ 8.5, and agitator speed is adjusted to 90rpm ~ 180rpm, temperature is 100 DEG C ~ 160 DEG C, reacts 5 ~ 12 hours;
2nd step, get IVE, dibenzyl oxalate pulverize, powder diameter is 450 ~ 550 orders; Add nano level sulfuric acid rhenium to mix, be laid in pallet, tiling thickness is 10 ~ 20mm, and employing dosage is 15kGy ~ 45kGy, alpha-ray irradiation that energy is 2.5MeV ~ 20.5MeV 20 ~ 55 minutes;
3rd step, to be dissolved in 3,5-dibromobenzoic acid through the mixed powder of the 2nd step process, to add reactor, agitator speed is 70rpm ~ 190rpm, temperature is 80 DEG C ~ 97 DEG C, starts vacuum pump and makes the vacuum tightness of reactor reach-0.01MPa ~-0.06MPa, keep this state response 3 ~ 10 hours; Pass into nitrogen after pressure release to 0MPa, make reacting kettle inner pressure be 0.004 ~ 0.014MPa, agitator speed is promoted to 120rpm ~ 250rpm, insulation constant speed reaction 2 ~ 6 hours; Reactor pressure release is afterwards to 0MPa; Add N-dimethylamino succinamic acid successively, after diallyl maleate (Z)-(E)-butenedioic acid dissolves completely, add linking agent and be uniformly mixed, make the hydrophile-lipophile balance value of reactor solution be 5.3 ~ 9.5, insulation leaves standstill 1 ~ 5 hour;
4th step, when agitator speed is 120rpm ~ 180rpm, add poly-fumaric acid propylene glycol ester, 4 successively, 4 '-dimethoxy Triphenyl methane chloride 99,2, the bromo-6-methylbenzoic acid ethyl ester of 4-dihydroxyl-3,5-bis-and amino-3, the 5-dibromobenzene methylamines of N-methyl-N-cyclohexyl-2-, promote reactor pressure, make it reach 0.02MPa ~ 0.15MPa, temperature is 100 DEG C ~ 125 DEG C, polyreaction 8 ~ 16 hours; After having reacted, reacting kettle inner pressure is down to 0MPa, be cooled to 35 DEG C ~ 60 DEG C, discharging, pours raw material into press molding machine, carries out moulded section and can obtain electrochemical catalyst material (4-3).
5. according to claim 1, 2, the treatment process of the tower filter apparatus of arbitrary described biology in 3, it is characterized in that: sewage is delivered to reaction tower (4) tip position from Buffer Pool (1) by picotan (2), motor (3-1) starts, the transmission shaft (3-2) be connected with motor (3-1) follows rotation, transmission shaft (3-2) drives cloth tank (3-3) to rotate, sewage is spread to uniformly reaction tower (4) inner, sewage flows through from reaction tower (4) from top to bottom, repeatedly through supporting plate (4-2) and electrochemical catalyst material (4-3), sewage is reacting with electrochemical catalyst material (4-3), become clear water and flow to underdrain groove (6), finally discharge from water shoot (7),
When COD sensor (3-4) determine high-concentration sewage by time, will electrical signal be produced, pass to intelligent control system (9), intelligent control system (9) then controls the water pump on picotan (2), reduce flooding velocity, increase motor (3-1) rotating speed, accelerate metabolic reaction; When in reaction tower (4), water level rises to water level sensor (4-1) position, water level sensor (4-1) sends a signal to intelligent control system (9), intelligent control system (9) controls picotan (2) and cloth water dispersion device (3) quits work, after 10min, intelligent control system (9) controls picotan (2) and cloth water dispersion device (3) starts again, starts working.
6. the tower treatment unit of a kind of rural garbage percolate according to claim 1, it is characterized in that, pilot circuit in described intelligent control system (9), comprises logical isolating switch (9-1), signal amplifier (9-2), power frequency loop device (9-3), AC converter (9-4), signal trigger (9-5); Described power frequency loop device (9-3), AC converter (9-4), signal trigger (9-5) are connected with the pump motor in picotan (2); Described AC converter (9-4) and signal trigger (9-5) serial connection, the AC converter (9-4) be simultaneously connected in series and signal trigger (9-5) in parallel with signal amplifier (9-2) two ends; AC converter (9-4) and signal trigger (9-5) receive the control signal that COD sensor (3-4) sends;
The signal that the COD sensor (3-4) of described pilot circuit gathers is sent to doppler analysis module (10-2) through digital-to-analogue conversion module (10-1), doppler analysis module (10-2) sends instruction to intermediate relay (10-3) and status of a sovereign frequency transformer (10-4), work frequency conversion modular converter (10-5) in control loop, switches the operating frequency of status of a sovereign frequency transformer (10-4) by operating frequency simultaneously;
Between described doppler analysis module (10-2) and intermediate relay (10-3), be serially connected with repeating signal synchronizer (10-6);
Described COD sensor (3-4) adopts AR01, digital-to-analogue conversion module (10-1) adopts D-24, doppler analysis module (10-2) adopts AQW-3-301, intermediate relay (10-3) adopts ZJ-4, status of a sovereign frequency transformer (10-4) adopts TTC-1, work frequency conversion modular converter (10-5) adopts WTB-121, and repeating signal synchronizer (10-6) adopts ZJXHTB-101W; Logical isolating switch (9-1) adopts DLA-20, and signal amplifier (9-2) adopts XHFSQ-23, and power frequency loop device (9-3) adopts GBCF-D-32G, and AC converter (9-4) adopts JBD-32G, and signal trigger (9-5) adopts XHC-11.
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| CN108553662A (en) * | 2018-03-19 | 2018-09-21 | 徐州工程学院 | The quick laydown machine of sediment in a kind of mine wastewater treatment |
| CN112374587A (en) * | 2020-11-05 | 2021-02-19 | 南京林业大学 | Plasma processing system and method for synchronously removing organic matters and heavy metals |
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| JP2004132592A (en) * | 2002-10-09 | 2004-04-30 | Denkai Giken:Kk | Electrochemical water treatment method and water treatment system |
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| CN108553662A (en) * | 2018-03-19 | 2018-09-21 | 徐州工程学院 | The quick laydown machine of sediment in a kind of mine wastewater treatment |
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