CN105330097B - Garbage leachate handles fundamental technology - Google Patents
Garbage leachate handles fundamental technology Download PDFInfo
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- CN105330097B CN105330097B CN201510700891.6A CN201510700891A CN105330097B CN 105330097 B CN105330097 B CN 105330097B CN 201510700891 A CN201510700891 A CN 201510700891A CN 105330097 B CN105330097 B CN 105330097B
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
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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
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
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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
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
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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
- C02F2209/14—NH3-N
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
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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
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1205—Particular type of activated sludge processes
- C02F3/1215—Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
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Abstract
Garbage leachate disclosed by the invention handles fundamental technology, including preposition auxiliary, level-one sewage disposal core process, in put auxiliary, B-grade sewage processing core technique, postposition additional step, pH value based on each process point water body in whole technological process is controlled, and can carry out parameters setting according to the requirement of water-in and water-out index.The present invention can fully ensure the following representative feature and advantage of the ion isolation medicament of applicant in practical applications：Dosage few (10 300 grams of ton water), the dispensing of direct solid-state are not required to dilution, processing is not required to caching (reaction speed 3 15 minutes) to sewage in real time, water body content removal rate is up to more than 80%, and can according to and meet all kinds of sewage disposal discharge indexs of country, treated water colorless free from extraneous odour, generated without secondary harmful chemical and flocculation moisture percentage in sewage sludge it is low (<35%), odorless, non-sticky glutinous etc..
Description
Technical field
The present invention relates to sewage treatment process and method field, are directed to what garbage leachate was handled more particularly to a kind of
Technique.
Background technology
In recent years, with the development of demographic and economic, environmental problem getting worse, the Chinese government and numerous people give height
Degree is paid attention to.Wherein water pollution the problem of become numerous environmental problems in compare emphasis problem, water pollution causes soil pollution, then
Trigger air pollution, destroy whole ecological environment.The main source of water pollution is sanitary sewage and trade effluent, wherein life is dirty
Water water is big, although and garbage leachate water is little, be the difficult point and emphasis of sanitary sewage, human body and environment be harmful to.
China is populous nation and is quickly carrying out the process of urbanization, needs to meet national standard for garbage leachate processing
GB8978-1996《Integrated wastewater discharge standard》.Usually there are three types of discharging modes for water after garbage leachate processing business processes：
Zero-emission is discharged to sewage plant and directly discharged；Zero-emission, that is, water fully recovering after handling, enterprise is for place in this case
Salt and content of beary metal after reason in water are concerned about very much and enterprise's critical concern and the index investigated, and zero-emission can be with
Cost is saved for enterprise, usually encourages to carry out enterprise's Treated sewage reusing；Another is that water after processing is discharged into industrial park
Or urban wastewater treatment firm, the index of water has to comply with industrial park and urban wastewater treatment after business processes in this case
The related water inlet index request of factory；The third is directly discharged, and the treatment effect of enterprise's garbage leachate cannot generally meet at present
National associated straight is run in the standard and requirement put, and is not allowed to usually.
The characteristics of garbage leachate is：
Physical characteristic：Suspended matter and turbidity are high, are usually dark red, opaque；Stink is extremely heavy；
PH value range：6.0-9.0
Salt content is high：Mainly chloride salt, total salt content is usually in 1,000-2,000mg/L；Usually sodium salt,
That is NaCl etc.；
Heavy metal and oil content are high：Heavy metal is mainly mercury, lead, copper, cadmium, chromium etc., 0.1-50mg/L etc.；
High organic content：Organic matter essentially from city food waste, esters, ammonia, alcohol, based on hydro carbons；
COD (COD) is high：Usual COD may be up to 20,000-40,000mg/L etc.；
At present, the main synthesis of garbage leachate processing uses three kinds of technical approach such as Physical, chemical method and bioanalysis；Its
Middle Physical includes natural evaporation, the dilution of good water, ionization, reverse osmosis membrane, ultrafiltration, nanofiltration etc., it is necessary to substantial amounts of electric power energy, especially
It is that the operation expense of membrane technology is fairly expensive；And chemical method typically adds in high molecular oxidant (iron in water
Oxygen, Fenton etc.) and chemical floc (such as polyacrylamide (PAM) or aluminium polychloride (PAC)) etc.；But chemistry wadding
There are dosage, good water is diluted and matched, staticly settles for a long time, can not stir, generates secondary chemical hazard greatly, in advance for solidifying agent
Substance and generate sludge moisture content it is high the shortcomings that, unavoidably actual process and operation in there are it is bigger the problem of；Such as
Flocculation rate is slow, and current caching and reaction auxiliary facility take up a large area, and water resource and land wastage ratio are more serious, to water environment
The problem of composition secondary pollution etc., bigger is that very big puzzlement can be brought to the Treatment of Sludge that it is generated using chemical floc,
Electrical energy drive sludge filter press or centrifuge that not only will be very big, and sludge smell is very smelly, and sludge is aqueous after processing
Rate is still up to more than 60%.Biochemical process is widely used at present, especially in sanitary sewage disposal, advantage be stablize,
Effectively, operation cost is low, but its limitation can not handle high-enriched organics and the biodegradabilities such as with high salt are very poor
Waste water, bacteria domestication and culture difficulty height or even some wastewater from chemical industry can also kill biochemical activity bacterium repeatedly；This is also current
Although China's urban wastewater treatment firm is in large scale, still to garbage leachate and helpless industrial wastewater the reason for.
The content of the invention
In order to solve the above problem in garbage leachate processing, the present invention is for the proprietary technology product ion point of applicant
From medicament (number of patent application：ZL 2,014 8 0001546.7) and specially designed garbage leachate processing fundamental technology.Optimization
The method of conventional physical processing garbage leachate, the drawbacks of having evaded chemical method processing garbage leachate, and life can be combined
Change method handles the technique of garbage leachate, expands garbage leachate process range, improves garbage leachate treatment effect.
Number of patent application：The composition of processing waste water involved in 2014 8 0001546.7, it includes：Percentage by weight
Number, 43.7-46.2% bentonites；24.1-25.9% aluminum sulfate (Al2 (SO4) 3), wherein, the grain size of Al2 (SO4) 3 is 18-
74μm；19.2-20.8% ceramic powders；4.8-5.2% chitosans, wherein, the grain size of chitosan is 44 μm；With 4.8-5.2% carbon
Sour calcium (CaCO3).The medicament is ion isolation medicament, and is solid powder particle.
The present invention is the garbage percolation made to measure for above-mentioned sewage treatment product (including ion isolation medicament and equipment)
Liquid handles fundamental technology and method, can fully ensure that the dosage of ion isolation medicament is few (10-300 grams of ton water), direct solid-state
Dispensing is not required to dilution, processing is not required to caching (reaction speed 3-15 minutes) to sewage in real time, water body content removal rate is up to 80%
Above, can according to and meet all kinds of sewage disposal discharge indexs of country, treated water colorless free from extraneous odour, without secondary harmful chemicals
Substance and flocculation generate sludge moisture content it is low (<35%), odorless, it is non-sticky glutinous the characteristics of and advantage.It is used in the present invention
Ion isolation medicament is the solid powder preparation prepared completely with natural biologic material extraction, based on ion isolation technology and charge
It neutralizes principle and carries out sewage disposal.Its Basic Mechanism is to carry out content in water body (particle, molecule and macromolecule chain link)
It adsorbs and polymerize, form agglomerate flocculation sediment and the mode removed from water body, reverse and overturned traditional wastewater processing concept,
It is the breakthrough promotion to physical absorption in sewage disposal technology system and flocculation technique.Above-mentioned ion isolation medicament not only can be with
Substitute widely used chemical floc product in current industry completely, but also can be in sewage disposal system pretreatment and water
It plays a significant role in the control of point source of pollution and Treatment of Sludge.
The invented technology can be used as individual sewage disposal fundamental technology template to carry out practical application, can also flexibly increase
Or remove other process matched therewiths, itself can also be used in series, be widely portable to various sewage disposal system techniques, pretreatment,
End-o f-pipe -control and Treatment of Sludge link not only ensure the stability of effluent characteristics, reduce comprehensive operation cost, but also to existing dirt
Water treatment system transformation is simple (can retain existing utility and investment, such as biochemical system), create sewage disposal system investment it is low,
Short time limit, floor space are small, quick.
The present invention is achieved through the following technical solutions：
The operating condition of ion isolation medicament is：
1st, the water pH value that is processed is adjusted to 7.0-9.0；
2nd, ion isolation medicament is directly launched under solid state powder state in processed water body, and processed water body will pass through
Independent high-speed stirred and independent stirring at low speed, to improve adsorption efficiency and ion isolation degree；
3rd, the water and sludge by inclination plate settling facility separation after processed.
The process flow chart of garbage leachate of the present invention processing fundamental technology as shown in Figure 1, including it is 1. preposition aid in, 2. one
Grade sewage disposal core process, 3. in put auxiliary, 4. B-grade sewage processing core technique, 5. postposition such as aids at the sub- technique.In detail
Sub- technique and each process point flow, parameter, control and operating method step are described as follows：
1. preposition auxiliary：Thus garbage leachate raw water enters, mainly including links such as comprehensive adjustment, pH detections.In detail
It is described as follows：
1) inflow requirement：Book technique is the first sub- technique of the present invention, and water inlet source is after the filterings such as grid
Pending garbage leachate raw water；According to the water velocity that the capacity of inflow and reaction process link reaction tank determines, adjust
Section water inlet water velocity, it is ensured that water body flow time difference in the process procedure of follow-up two-stage sewage disposal core process is respective
For 3-15 minutes；
2) comprehensive adjustment：The main function of comprehensive adjustment is to can be adjusted as needed the pH value for water body of intaking, usually
Dedicated regulating reservoir is configured to be handled.According to pending garbage leachate water quality and technological requirement, flowed naturally in water body
In the case of, directly by sour (such as certain density hydrochloric acid HCl) or alkali (such as certain density lye NaOH) in liquid condition
In lower addition sewage, and water pH value is controlled between 3.0-6.0 by subsequent pH value detection sensor；COD handle to
500-1,500mg/L；
3) water pH value：PH value detection sensor is detected for adjusting, and according to overall process requirements, control adds
Acid and plus alkali link formation automatically control feedback subsystem, it is ensured that water pH value in the range of needs, usually intake pH value exist
Parameter setting is carried out between 3.0-6.0 or according to overall process requirements；
4) water outlet flows to：After the completion of preposition auxiliary link, by treatment sewage sequential flow at subsequent 2. level-one sewage
Core process link is managed, sewage disposal core process code name herein is
2. level-one sewage disposal core process flow chart including A- as shown in Fig. 2, adjust, B- reacts, C- flocculations and D- are filtered
Sub- technique, each process point flow, parameter, control and the operating method steps such as clear sedimentation are described as follows：
A, adjust：Thus enter from waste water 1., mainly include the links such as comprehensive adjustment and pH detections.It is described in detail such as
Under：
1) inflow requirement：Book technique for the present invention second sub- technique, water inlet source be pending waste water raw water or
Water after person's raw water aid in treatment；According to the water velocity that the capacity of inflow and reaction process link reaction tank determines, adjust
Section water inlet water velocity, it is ensured that water body flow time in two sub- process procedures of subsequent reactions and flocculation is 3-15 minutes；
2) water pH value：PH value detection sensor is detected for adjusting, according to definite overall process requirements, control
Acid adding processed and plus the formation of two links of alkali automatically control feedback subsystem, it is ensured that the optimum range that water pH value is needed before dispensing
It is interior.The pH value range of the acceptable water body of the present invention is 3.0-11.0, and according to water quality index requirement after water inlet index and processing, it is comprehensive
Water pH value thresholding after setting is adjusted is closed, pH value is between 7.0-9.0 after adjusting.Water pH value setting is heavy to closing to the present invention
Will, ion isolation medicament of the present invention is very high to the susceptibility of water body pH values, if the pH value of water body is less than 6.0, from
Son separation medicament does not react；If the pH value of water body is higher than 9.0, ion isolation pharmaceutical use will greatly increase.
It is emphasized that with high salt, heavy metal, garbage leachate are directed to when special high-concentration waste water, it is necessary in this hair
Bright technique leading portion, stage casing or the corresponding auxiliary process such as backend configuration acidifying or alkalization, aeration, water pH value needs are according to total at this time
Body technology requirement carries out parameter setting；
3) molecule degrees of exposure：The molecule degrees of exposure of present invention acquiescence water inlet should meet ionic adsorption condition, if in water body
Molecule degrees of exposure can not meet ionic adsorption condition, can present invention process leading portion, stage casing or backend configuration be acidified or alkalize,
The corresponding auxiliary process processing such as aeration, then enters back into present invention process；
4) water outlet flows to：After the completion of governing loop, treatment sewage sequential flow is reacted into sub- process procedure to subsequent.
B, react：Reacting sub- process procedure includes two links such as high-speed stirred, Adding medicine control.Water body is in this flow time
Control is needed at 3-15 minutes.Link is provided with reaction tank therefore in usual Practical Project.It is described in detail as follows：
1) into water process：Book technique water inlet source is the adjacent regulator technique of the front；Book technique is in actual work
Dedicated reaction tank is needed to configure in journey；The capacity of reaction tank flows through 3-15 points of reaction tank according to pending water with reference to current
The time of clock and the rated power of stirring motor are determined.Such as 20 tphs water, it is necessary to 1.2 cubic metres appearance
Long-pending reaction tank configuration；
2) high-speed stirred：Generally use stirring motor driving stirrer paddle keeps the uniform high speed that 700-950 per minute turns
Stirring；In order to enhance the contact of content and ion isolation effect in water body, usual reaction tank uses square cross-sectional configuration, water
Stablize after body stirring and form deeper funnel shape；After high-speed stirred is formed, you can thrown according to sewage disposal requirement
Medicine；
3) Adding medicine control：According to sewage feature to be processed, by the ion isolation medicine of the solid powder of all kinds of required dispensings
Agent is put into water successively, the ion isolation medicament average aggregate dosage sewage 10-300g per ton launched, is continued at a high speed in water body
In the state of stirring, the physical index of water body is promoted, including odor, colourity and turbidity etc., while promotes the suspension of removal water body
Object, heavy metal and other organic chemistry indexs.Water body flowed through this process time as 3-15 minutes；The required medicament that adds all is solid
It is directly added under body pulverulence in sewage, this point has bright with application methods such as the chemical flocs that is commonly used in the industry
Aobvious difference.Traditional chemical flocculant needs to make good use of water dilution before use at present, and dosing dispensing is then carried out in a manner of liquid,
It is time-consuming and laborious, it is of high cost.
4) water outlet flows to：Processed water body reacted sub- technique flow time for 3-15 minutes, afterwards into sub- work of flocculating
Skill.
C, flocculate：Two links such as the sub- process procedure that flocculates is including mixing slowly, pH value detection.Water body is in this flow time
Control is needed at 3-15 minutes.Link is provided with flocculation basin therefore in usual Practical Project.It is described in detail as follows：
1) into water process：Book technique water inlet source is the sub- technique of the adjacent reaction of the front；The capacity of flocculation basin according to
Pending water, the rated power that the flocculation basin time of 3-15 minutes and stirring motor are flowed through with reference to current are determined.Example
Such as 20 tphs of waters, it is necessary to the flocculation basin configuration of 1.2 cubic metres of volumes；
2) mix slowly：Generally use stirring motor driving stirrer paddle keeps the uniform low speed that 160-280 per minute turns
Stirring；In order to enhance the caking flocculation effect in water body between small coagulated particles, usual flocculation basin is identical with above-mentioned reaction tank
Also using square cross-sectional configuration, stablize after water body stirring and form very shallow funnel shape；The flocculation process stage is not required to
It offers medicine；
It is emphasized that：The chemical agent that general sewage treatment process uses, when can only be long in the flocculation process stage
Between stand natural sedimentation and cannot be stirred, will be unable to form preferable flocculating effect once being stirred；The present invention uses
Ion isolation medicament overturned this traditional concept, using ion isolation medicament of the present invention, in the flocculation process stage
It by the cohesion of the little particle flocculate of reacted formation is agglomerate flocculate that the purpose being stirred, which is, is slightly agitated for that wadding can be enhanced
Solidifying effect is prepared for the filtering sedimentation work of next step, and the effect of settling of agglomerate flocculate is more preferable.
3) water pH value detects：PH value detection sensor is detected for flocculation basin water body, and detection probe is located at pond body
Middle and lower part.The faintly acid of ion isolation pharmacy work mechanism and drug in itself according to the present invention, drug book after the reaction was complete
Operation stage water pH value should be between 6.0-9.0；If water pH value is higher, it was demonstrated that reacts sub- operation stage addition medicine
Agent is not enough, it is necessary to control the cast feeder in reaction process to increase dosage；Conversely, reduce dosage；
4) water outlet flows to：Processed water body, for 3-15 minutes, is settled in the sub- technique flow time that flocculates into filtering afterwards
Sub- technique.
D, filtering settles：Filtering, which settles sub- process procedure, includes sedimentation, filtering water outlet, water quality detection and mating sludge
Five links such as discharge and parameter adjustment.Water body needs to control at least 3-15 minutes in this flow time.In usual Practical Project
Link is provided with sedimentation filtering pond (such as inclined plate sedimentation pond) therefore.The present invention uses inclined plate to clarify sedimentation device.In detail
It is described as follows：
1) into water process：Book technique water inlet source is the sub- technique of the adjacent flocculation of the front；The capacity in inclined plate sedimentation pond
According to pending water, the time that sedimentation filtering pond 3-15 minutes is flowed through with reference to current is determined.
2) filtering water outlet：Ion isolation pharmacy work mechanism according to the present invention, the sludge generated after water process are made in gravity
With sinking, supernatant is formed simultaneously, supernatant can water outlet after filtering；Filtering water outlet operation stage need not offer medicine and
Motor stirs, and is directly settled according to physical principle；
It is to be noted that：The sedimentation of flocculate is formed using traditional chemical flocculant cannot use inclined plate sedimentation, not only
It needs to stand flocculation for a long time, and it is sticky to generate sludge, can form sludge adhesion on inclined plate, maintenance cost is high；
And the flocculate sludge the present invention is based on the formation of ion isolation medicament is not hydrophilic, not viscous glutinous, need not stand for a long time, water body stream
During dynamic under the effect of gravity can natural subsidence, put into using inclined plate sedimentation low with operating cost, operation and maintenance is simple.
3) water quality detection：Refer to including the crucial water quality required by the discharging standards such as pH value detection, COD, ammonia nitrogen, total phosphorus
Mark, sensor are detected for sedimentation filtering water body, and detection probe is located at pond body middle and upper part.It should be noted that wherein
COD index on-line checkings have about 20-30 minutes time delay；
4) sludge is discharged：Ion isolation pharmacy work mechanism according to the present invention, the sludge generated after water process are made in gravity
Floc sedimentation shape sludge settling is formed with sinking.Sludge is in the bottom in sedimentation filtering pond, up big and down small bullet.Bullet
Bottom is furnished with mud mouth, and the regular Self-discharged of connection spoil disposal pipeline and/or installation sludge pump are drawn into sludge press filtration or centrifugation
The sludge treatment devices such as machine.Sludge intermittent can be discharged, and sludge quantity can refer to 0.3 ‰ to 1.5 ‰ according to overall process water
It calculates.Ion isolation medicament characteristic according to the present invention, the sludge of generation is tasteless, not viscous glutinous, not hydrophilic and moisture content is 35%
Hereinafter, will not stick together in pool wall of the sludge in sedimentation filtering pond, sheet frame and sludge discharge line and the pump housing or again
Secondary the phenomenon that being dissolved in water, attended operation is very convenient and energy-saving and environmental protection and up to standard, substantially reduces the maintenance of sludge treatment device
Cost；
5) parameter configuration adjusts：The effluent quality index request for detecting data and being previously set is compared, is calculated simultaneously
The system control parameters being previously set are finely tuned (including the dispensing of the pH upper-lower doors limit value, cast feeder that adjust technique and flocculation process
Rate etc.).Usual integrated artistic configuration parameter needs are adjusted to optimal, it is necessary to every in the actual operation of at least one to two month
Its periodic logging influent quality parameter and flow, the dispensing data such as rate and dose, effluent quality parameter, and data are carried out in time
Analysis, the adjustment direction and adjustment amount of calculating parameter configuration.During operation is stablized, parameter adjustment has to especially cautiously, usually
Trim process；
6) water outlet flows to：Processed water body is 3-15 minutes in the sedimentation sub- technique flow time of filtering, can be flowed out afterwards
Present invention process carries out subsequent processing, reuse or discharge.
3. auxiliary is put in includes the links such as biochemical and aeration, comprehensive adjustment, is described as follows respectively：
1) inflow requirement：Book technique for the present invention the 3rd sub- technique, water inlet source be after 2. handling, according to
The water velocity that the capacity of inflow and reaction process link reaction tank determines adjusts water inlet water velocity, it is ensured that water body is 4.
Flow time is 3-15 minutes in link；
2) biochemical reaction：For biochemistry using composite reactive cenobium, the main function of active cenobium is similar and may replace current row
The activated sludge generally used in industry.According to pending garbage leachate water quality and water outlet requirement, in the feelings that water body flows naturally
Under condition, directly active cenobium is added in sewage in a liquid state.Ton sewage adds in active cenobium 0.5-1.0 liters；Water body stream
It it is 15-40 minutes through this process time；COD is handled to 500-1,500mg/L；
3) comprehensive adjustment：The main function of comprehensive adjustment is the link broken in water body, and pH value is adjusted to this technique
It is required that numerical value, usually configure dedicated acidification pool and handled.It is required according to pending garbage leachate water quality and water outlet,
It is directly that strong acid (such as certain density hydrochloric acid HCl) or lye is (such as certain density in the case that water body flows naturally
Alkali NaOH) it adds in a liquid state in sewage, and controlled water pH value in 3.0- by subsequent pH value detection sensor
Between 6.0；Aeration is carried out at the same time in the process；
4) water pH value：PH value detection sensor is detected for adjusting, according to definite overall process requirements, control
Acid adding link processed formation automatically controls feedback subsystem, it is ensured that water pH value in the range of needs, be usually 3.0-6.0 it
Between or according to overall process requirements carry out parameter setting；
5) water outlet flows to：In put auxiliary link after the completion of, by treatment sewage sequential flow to it is subsequent 4..
4. B-grade sewage processing core technique：The process flow chart as shown in Fig. 2, includingAdjust,Reaction,Wadding
It is solidifying andFour sub- techniques such as filtering sedimentation, the sub- technique and each process point flow, parameter, control and operating method step with
Above-mentioned steps are 2. identical.This step is set according to the special requirement of the situation and discharge standard of level-one sewage disposal, it is non-must
It must step.
5. postposition aids in：The sub- process procedure mainly filters link.This link is optional according to enterprise's drainage pattern requirement,
If necessary, link sets sand filtration, carbon filter or membrane filtration, sodium filter etc. therefore in usual Practical Project.
The invented technology can be used as individual garbage leachate processing fundamental technology template to carry out practical application, can also spirit
It is living to increase or remove other process matched therewiths, it itself can also be used in series, be widely portable to various sewage disposal system techniques, pre-
Processing, end-o f-pipe -control link, not only ensure effluent characteristics stability, reduce comprehensive operation cost, but also to existing sewage at
It is simple (existing utility and investment, such as biochemical system, aeration, oxidation etc. can be retained) to manage the system reform, creates sewage disposal system
It is small, quick that system invests low, short time limit, floor space.
Especially it is emphasized that：According to the requirement of sewage disposal, after preposition additional step is carried out, can carry out more
Grade sewage disposal core process step, puts additional step, most in can increasing between multi-stage sewage processing core processing step
Carry out the filtration step of postposition auxiliary again afterwards.
In particular, it should be pointed out that：The technique of the present invention carries out in mobile integrated complete set of equipments, the movable type
Integrated complete equipment is for handling mixing, stirring, dispensing and the system set treatment device of wastewater composition, including passing through
Regulating reservoir that pipeline is sequentially connected, reaction tank, flocculation basin, inclined plate clarification sedimentation device；Its middle swash plate clarifies the top of sedimentation device
End passes through pipeline and connects sludge collecting pit by discharge of pipes treated water, the bottom of inclined plate clarification sedimentation device.
Wherein, the top of the inclined plate clarification sedimentation device is catch basin, and bottom is sludge hopper, and the trench bottom that catchments is set
There is a hole, inclined plate is equipped with hole, and the angle of inclined plate and horizontal plane is 45 °~65 °.
In particular, it should be pointed out that：Ion isolation medicament in the present invention each means that number of patent application is 2,014 8
The composition of processing waste water involved in 0001546.7.More detailed description on the ion isolation medicament in the present invention can be with
Referring to the patent document；The content of patent document description is all considered as the content that the present invention records.
The advantage of the present invention：
The present invention is that customized technique is handled for the garbage leachate involved by ion isolation medicament, utilizes this technique
The characteristic and advantage of medicament can be given full play to, and concise in technology understands, technology stability is good, effectively reduce comprehensive operation into
This, effluent index is flexibly controllable, high with follow-up sewage treatment process matching degree.
This technique is had a style of one's own, and the integrated artistic degree of modularity is high, convenient for flexibly using, not only can individually become point source
Control sewage disposal system, and can be used as preprocessing module addition before the biochemical process of existing sewage disposal system with/
After or, and suitable for the processing of various garbage leachates.
Dispensing control in present invention process and method may be employed PLC (automated programming control) mode and be controlled automatically
System, can also dock with the DCS (distributed network system (DNS)) of sewage treatment mechanism into line interface, realize centerized fusion.
Description of the drawings
Fig. 1 is present invention process flow chart；
Fig. 2 is level-one or B-grade sewage processing core process flow chart；
Fig. 3 is the structure chart of the mobile integrated complete set of equipments of the present invention；
Fig. 4 clarifies sedimentation device structure chart for inclined plate；
Wherein：In Fig. 3 and Fig. 4,1 pH regulating reservoirs, 2 regulating reservoirs, 3 blenders, 4 aeration tanks, 5 reaction tanks, 6 flocculation basins, 7
Cast feeder, 8 inclined plates clarification sedimentation device, 9 sludge collecting pits, 10 filter presses, 11 membrane pumps, 12 pipelines, 13 catch basins, 14 collection mud
The inclined plate of bucket, 15 fiberglass or other materials, 16 sludge outlets.
Specific embodiment
The present invention is described in further detail below in conjunction with attached drawing.
The processing of embodiment 1- application of city life garbage Treatment stations garbage leachates:
The index is required to be after water body raw water and processing：
Based on " a kind of garbage leachate processing fundamental technology " of the invention, for process flow chart such as Fig. 1 of the present embodiment
It is shown, technique include 1. it is preposition auxiliary, 2. level-one sewage disposal core process, 3. in put auxiliary, 4. B-grade sewage processing core
Technique, the 5. sub- technique such as postposition auxiliary.Detailed sub- technique and each process point flow, parameter, control and operating method step are retouched
It states as follows：1. preposition auxiliary：Thus garbage leachate raw water enters, mainly including links such as comprehensive adjustment, pH detections.Specifically
It is bright as follows：
1) inflow requirement：Book technique is the first sub- technique of the present invention, and water inlet source is after the filterings such as grid
Pending garbage leachate raw water；According to the water velocity that the capacity of inflow and reaction process link reaction tank determines, adjust
Section water inlet water velocity, it is ensured that water body flow time difference in the process procedure of follow-up two-stage sewage disposal core process is respective
For 3-15 minutes；
2) comprehensive adjustment：The main function of comprehensive adjustment is to can be adjusted as needed the pH value for water body of intaking, usually
Dedicated regulating reservoir is configured to be handled.According to pending garbage leachate water quality and technological requirement, flowed naturally in water body
In the case of, directly by sour (such as certain density hydrochloric acid HCl) or alkali (such as certain density lye NaOH) in liquid condition
In lower addition sewage, and water pH value is controlled between 3.0-6.0 by subsequent pH value detection sensor；The present embodiment
It is middle to control this link pH value between 4.0-5.0；
3) water pH value：PH value detection sensor is detected for adjusting, and according to overall process requirements, control adds
Acid and plus alkali link formation automatically control feedback subsystem, it is ensured that water pH value in the range of needs, usually intake pH value exist
Parameter setting is carried out between 3.0-6.0 or according to overall process requirements；This link pH value is controlled in the present embodiment
Between 4.0-5.0；
4) water outlet flows to：After the completion of preposition auxiliary link, by treatment sewage sequential flow at subsequent 2. level-one sewage
Core process link is managed, sewage disposal core process code name herein is
2. level-one sewage disposal core process flow chart including A- as shown in Fig. 2, adjust, B- reacts, C- flocculations and D- are filtered
Sub- technique, each process point flow, parameter, control and the operating method steps such as clear sedimentation are described as follows：
A, adjust：Thus enter from current 1., mainly include the links such as comprehensive adjustment and pH detections.It is described in detail such as
Under：
1) inflow requirement：Book technique for the present invention second sub- technique, water inlet source be pending waste water raw water or
Water after person's raw water aid in treatment；According to the water velocity that the capacity of inflow and reaction process link reaction tank determines, adjust
Section water inlet water velocity, it is ensured that water body flow time in two sub- process procedures of subsequent reactions and flocculation is 3-15 minutes；
2) water pH value：PH value detection sensor is detected for adjusting, according to definite overall process requirements, control
Acid adding processed and plus the formation of two links of alkali automatically control feedback subsystem, it is ensured that the optimum range that water pH value is needed before dispensing
It is interior.The pH value range of the acceptable water body of the present invention is 3.0-11.0, and according to water quality index requirement after water inlet index and processing, it is comprehensive
Water pH value thresholding after setting is adjusted is closed, pH value is between 7.0-9.0 after adjusting.Water pH value setting is heavy to closing to the present invention
Will, ion isolation medicament of the present invention is very high to the susceptibility of water body pH values, if the pH value of water body is less than 6.0, from
Son separation medicament does not react；If the pH value of water body is higher than 9.0, ion isolation pharmaceutical use will greatly increase.This implementation
In example by the control of this link pH value between 7.5-8.5；
It is emphasized that with high salt, heavy metal, garbage leachate are directed to when special high-concentration waste water, it is necessary in this hair
Bright technique leading portion, stage casing or the corresponding auxiliary process such as backend configuration acidifying or alkalization, aeration, water pH value needs are according to total at this time
Body technology requirement carries out parameter setting；
3) molecule degrees of exposure：The molecule degrees of exposure of present invention acquiescence water inlet should meet ionic adsorption condition, if in water body
Molecule degrees of exposure can not meet ionic adsorption condition, can present invention process leading portion, stage casing or backend configuration be acidified or alkalize,
The corresponding auxiliary process processing such as aeration, then enters back into present invention process；
4) water outlet flows to：After the completion of governing loop, treatment sewage sequential flow is reacted into sub- process procedure to subsequent.
B, react：Reacting sub- process procedure includes two links such as high-speed stirred, Adding medicine control.Water body is in this flow time
Control is needed at 3-15 minutes.Link is provided with reaction tank therefore in usual Practical Project.It is described in detail as follows：
1) into water process：Book technique water inlet source is the adjacent regulator technique of the front；Book technique is in actual work
Dedicated reaction tank is needed to configure in journey；The capacity of reaction tank flows through 3-15 points of reaction tank according to pending water with reference to current
The time of clock and the rated power of stirring motor are determined.Such as 20 tphs water, it is necessary to 1.2 cubic metres appearance
Long-pending reaction tank configuration；
2) high-speed stirred：Generally use stirring motor driving stirrer paddle keeps the uniform high speed that 700-950 per minute turns
Stirring；In order to enhance the contact of content and ion isolation effect in water body, usual reaction tank uses square cross-sectional configuration, water
Stablize after body stirring and form deeper funnel shape；After high-speed stirred is formed, you can thrown according to sewage disposal requirement
Medicine；
3) Adding medicine control：According to sewage feature to be processed, by the ion isolation medicine of the solid powder of all kinds of required dispensings
Agent is put into water successively, the ion isolation medicament average aggregate dosage sewage 10-300g per ton launched, is continued at a high speed in water body
In the state of stirring, the physical index of water body is promoted, including odor, colourity and turbidity etc., while promotes the suspension of removal water body
Object, heavy metal and other organic chemistry indexs.Water body flowed through this process time as 3-15 minutes；The required medicament that adds all is solid
It is directly added under body pulverulence in sewage, this point has bright with application methods such as the chemical flocs that is commonly used in the industry
Aobvious difference.Traditional chemical flocculant needs to make good use of water dilution before use at present, and dosing dispensing is then carried out in a manner of liquid,
It is time-consuming and laborious, it is of high cost.The present embodiment Chinese medicine dosage is 55 grams of ton water, and water body flow time is 10 minutes；
4) water outlet flows to：Processed water body reacted sub- technique flow time for 3-15 minutes, afterwards into sub- work of flocculating
Skill.
C, flocculate：Two links such as the sub- process procedure that flocculates is including mixing slowly, pH value detection.Water body is in this flow time
Control is needed at 3-15 minutes.Link is provided with flocculation basin therefore in usual Practical Project.It is described in detail as follows：
1) into water process：Book technique water inlet source is the sub- technique of the adjacent reaction of the front；The capacity of flocculation basin according to
Pending water, the rated power that the flocculation basin time of 3-15 minutes and stirring motor are flowed through with reference to current are determined.Example
Such as 20 tphs of waters, it is necessary to the flocculation basin configuration of 1.2 cubic metres of volumes；
2) mix slowly：Generally use stirring motor driving stirrer paddle keeps the uniform low speed that 160-280 per minute turns
Stirring；In order to enhance the caking flocculation effect in water body between small coagulated particles, usual flocculation basin is identical with above-mentioned reaction tank
Also using square cross-sectional configuration, stablize after water body stirring and form very shallow funnel shape；The flocculation process stage is not required to
It offers medicine；
It is emphasized that：The chemical agent that general sewage treatment process uses, when can only be long in the flocculation process stage
Between stand natural sedimentation and cannot be stirred, will be unable to form preferable flocculating effect once being stirred；The present invention uses
Ion isolation medicament overturned this traditional concept, using ion isolation medicament of the present invention, in the flocculation process stage
It by the cohesion of the little particle flocculate of reacted formation is agglomerate flocculate that the purpose being stirred, which is, is slightly agitated for that wadding can be enhanced
Solidifying effect is prepared for the filtering sedimentation work of next step, and the effect of settling of agglomerate flocculate is more preferable.
3) water pH value detects：PH value detection sensor is detected for flocculation basin water body, and detection probe is located at pond body
Middle and lower part.The faintly acid of ion isolation pharmacy work mechanism and drug in itself according to the present invention, drug book after the reaction was complete
Operation stage water pH value should be between 6.0-9.0；If water pH value is higher, it was demonstrated that reacts sub- operation stage addition medicine
Agent is not enough, it is necessary to control the cast feeder in reaction process to increase dosage；Conversely, reduce dosage；
4) water outlet flows to：Processed water body, for 3-15 minutes, is settled in the sub- technique flow time that flocculates into filtering afterwards
Sub- technique.
D, filtering settles：Filtering, which settles sub- process procedure, includes sedimentation, filtering water outlet, water quality detection and mating sludge
Five links such as discharge and parameter adjustment.Water body needs to control at least 3-15 minutes in this flow time.In usual Practical Project
Link is provided with sedimentation filtering pond (such as inclined plate sedimentation pond) therefore.The present invention uses inclined plate to clarify sedimentation device.In detail
It is described as follows：
1) into water process：Book technique water inlet source is the sub- technique of the adjacent flocculation of the front；The capacity in inclined plate sedimentation pond
According to pending water, the time that sedimentation filtering pond 3-15 minutes is flowed through with reference to current is determined.
2) filtering water outlet：Ion isolation pharmacy work mechanism according to the present invention, the sludge generated after water process are made in gravity
With sinking, supernatant is formed simultaneously, supernatant can water outlet after filtering；Filtering water outlet operation stage need not offer medicine and
Motor stirs, and is directly settled according to physical principle；
It is to be noted that：The sedimentation of flocculate is formed using traditional chemical flocculant cannot use inclined plate sedimentation, not only
It needs to stand flocculation for a long time, and it is sticky to generate sludge, can form sludge adhesion on inclined plate, maintenance cost is high；
And the flocculate sludge the present invention is based on the formation of ion isolation medicament is not hydrophilic, not viscous glutinous, need not stand for a long time, water body stream
During dynamic under the effect of gravity can natural subsidence, put into using inclined plate sedimentation low with operating cost, operation and maintenance is simple.
3) water quality detection：Refer to including the crucial water quality required by the discharging standards such as pH value detection, COD, ammonia nitrogen, total phosphorus
Mark, sensor are detected for sedimentation filtering water body, and detection probe is located at pond body middle and upper part.It should be noted that wherein
COD index on-line checkings have about 20-30 minutes time delay；
4) sludge is discharged：Ion isolation pharmacy work mechanism according to the present invention, the sludge generated after water process are made in gravity
Floc sedimentation shape sludge settling is formed with sinking.Sludge is in the bottom in sedimentation filtering pond, up big and down small bullet.Bullet
Bottom is furnished with mud mouth, and the regular Self-discharged of connection spoil disposal pipeline and/or installation sludge pump are drawn into sludge press filtration or centrifugation
The sludge treatment devices such as machine.Sludge intermittent can be discharged, and sludge quantity can refer to 0.3 ‰ to 1.5 ‰ according to overall process water
It calculates.Ion isolation medicament characteristic according to the present invention, the sludge of generation is tasteless, not viscous glutinous, not hydrophilic and moisture content is 35%
Hereinafter, will not stick together in pool wall of the sludge in sedimentation filtering pond, sheet frame and sludge discharge line and the pump housing or again
Secondary the phenomenon that being dissolved in water, attended operation is very convenient and energy-saving and environmental protection and up to standard, substantially reduces the maintenance of sludge treatment device
Cost；
5) parameter configuration adjusts：The effluent quality index request for detecting data and being previously set is compared, is calculated simultaneously
The system control parameters being previously set are finely tuned (including the dispensing of the pH upper-lower doors limit value, cast feeder that adjust technique and flocculation process
Rate etc.).Usual integrated artistic configuration parameter needs are adjusted to optimal, it is necessary to every in the actual operation of at least one to two month
Its periodic logging influent quality parameter and flow, the dispensing data such as rate and dose, effluent quality parameter, and data are carried out in time
Analysis, the adjustment direction and adjustment amount of calculating parameter configuration.During operation is stablized, parameter adjustment has to especially cautiously, usually
Trim process；
6) water outlet flows to：Processed water body is 3-15 minutes in the sedimentation sub- technique flow time of filtering, can be flowed out afterwards
Present invention process carries out subsequent processing, reuse or discharge.It is 15 points to settle link water body flow time in filtering in the present embodiment
Clock, and subsequent processing be in put the sub- technique of auxiliary.
3. auxiliary is put in includes the links such as biochemical and aeration, comprehensive adjustment, is described as follows respectively：
1) inflow requirement：Book technique for the present invention the 3rd sub- technique, water inlet source be after 2. handling, according to
The water velocity that the capacity of inflow and reaction process link reaction tank determines adjusts water inlet water velocity, it is ensured that water body is 4.
Flow time is 3-15 minutes in link；
2) biochemical reaction：For biochemistry using composite reactive cenobium, the main function of active cenobium is similar and may replace current row
The activated sludge generally used in industry.According to pending garbage leachate water quality and water outlet requirement, in the feelings that water body flows naturally
Under condition, directly active cenobium is added in sewage in a liquid state.Ton sewage adds in active cenobium 0.5-1.0 liters；Water body stream
It it is 15-40 minutes through this process time；Active cenobium dosage is 0.5 liter of ton water in the present embodiment, is added once within every five days, water body
Indwelling time is 30 minutes；Link inflow requirement COD1,000-1,500mg/L, pH value 6.0-7.0 in the present embodiment
3) comprehensive adjustment：The main function of comprehensive adjustment is the link broken in water body, and pH value is adjusted to this technique
It is required that numerical value, usually configure dedicated acidification pool and handled.It is required according to pending garbage leachate water quality and water outlet,
It is directly that strong acid (such as certain density hydrochloric acid HCl) or lye is (such as certain density in the case that water body flows naturally
Alkali NaOH) it adds in a liquid state in sewage, and controlled water pH value in 3.0- by subsequent pH value detection sensor
Between 6.0；PH value control is in 4.0-5.0 in the present embodiment；Aeration is carried out at the same time in the process；
4) water pH value：PH value detection sensor is detected for adjusting, according to definite overall process requirements, control
Acid adding link processed formation automatically controls feedback subsystem, it is ensured that water pH value in the range of needs, be usually 3.0-6.0 it
Between or according to overall process requirements carry out parameter setting；PH value control is in 4.0-5.0 in the present embodiment.
5) water outlet flows to：In put auxiliary link after the completion of, by treatment sewage sequential flow to it is subsequent 4..
4. B-grade sewage processing core techniqueThe process flow chart as shown in Fig. 2, includingAdjust,Reaction,Flocculation andFour sub- techniques, the sub- technique and each process point flow, parameter, control and the operating methods such as filtering sedimentation
Step is 2. identical with above-mentioned steps.
It is emphasized that the present embodiment link medicament administration amount is 30 grams of ton water, water body flows through reaction, flocculation and filter
The time of clear sedimentation link is 8 minutes.
5. postposition aids in：The sub- process procedure mainly filters link.This link is optional according to enterprise's drainage pattern requirement,
If necessary, link sets sand filtration, carbon filter or membrane filtration, sodium filter etc. therefore in usual Practical Project.It is adopted in the present embodiment
Postposition technique is sand filtration.
After the present embodiment stable operation one month, water quality testing data is：
1) sludge is discharged：The present embodiment directly from the mud mouth mud extraction of bullet bottom, is extracted by spoil disposal pipeline sludge pump
To sludge plate-frame filter press or other filtering equipments.The sludge of generation is tasteless, not viscous glutinous, not hydrophilic and moisture content 35% with
Under, it will not stick together in pool wall of the sludge in sedimentation filtering pond, sheet frame and sludge discharge line and the pump housing or again
The phenomenon that being dissolved in water, attended operation is very convenient and energy-saving and environmental protection and up to standard, substantially reduce the maintenance of sludge treatment device into
This；
2) parameter configuration adjusts：The effluent quality index request for detecting data and being previously set is compared, is calculated simultaneously
The system control parameters being previously set are finely tuned (including the dispensing of the pH upper-lower doors limit value, cast feeder that adjust technique and flocculation process
Rate etc.).It in the present embodiment, was debugged by 3 days, integrated artistic starts to stablize and meets effluent index requirement；
3) water outlet flows to：Processed water body is 6 minutes in the sedimentation sub- technique flow time of filtering, can flow out this hair afterwards
Bright technique carries out total system water outlet, reuse or discharge.Water outlet in the present embodiment carries out direct river discharge.
Embodiment 2：
The process step of the invention can carry out in the mobile integrated complete set of equipments that Fig. 3 and Fig. 4 are related to.It is portable
The concrete technology processing step of integrated complete equipment is as follows：
1) in order to coordinate ion isolation medicament, reach good medicament reaction effect, sewage is put into pH regulating reservoirs first
It is interior, while add in and the pH adjusting agent of different sewage is suitble to usually to be acidified；
2) sewage, into regulating reservoir 2, the water pH value after acidifying is adjusted to after pH regulating reservoirs adjust pH values
7.0-9.0 in order to be uniformly mixed, can be stirred with blender；
3) to be further sufficiently mixed and reacting, and achieve the purpose that interrupt sewage strand or release respective substance, warp
It overregulates the sewage behind pond and corresponding medicament enters aeration tank；
4) by front pH regulating reservoirs, regulating reservoir, aeration tank sewage, carried out sufficient preparation for the reaction of medicament,
Pharmacological property, which is given full play to, for medicament creates advantage；Sewage enters reaction tank through pipeline, while by being used to handle waste water
The cast feeder of composition puts into corresponding medicament, is fully reacted with sewage under the action of blender；
5) behind sewage and the reacted pond of corresponding medicament, into flocculation basin, flocculation basin is soluble and non-solvable for capturing
Property substance and visible or non-visible suspended matter；
6) sewage is after flocculation basin, and into inclined plate clarification/sedimentation device, inclined plate is oblique for fiberglass or other materials
Plate, inclined plate are equipped with hole, and the aperture in hole and shape (rectangle or circle etc.) are individually calculated according to sewage quality and effluent flow rate.
The angle of inclined plate and horizontal plane is 45 °~65 °.Preferably, the angle of inclined plate and horizontal plane is 59 °.Inclined plate clarifies sedimentation device
Top for catch basin, bottom is sludge hopper.
Inclined plate clarification/sedimentation device makes the suspended matter in raw water, solids or the flocculation formed after dosing coagulant
Object, thin mud layer is agglomerated into inclined plate bottom side or surface, is slided to body refuse superposed layer by gravity, is then sunk to sludge hopper, by
Sludge pipe is discharged into sludge-tank otherwise processed or comprehensive utilization, and supernatant gradually rises up to catch basin and gradually discharges, can directly discharge
Or reuse.
Inclined plate clarification/sedimentation device is made according to the precipitation principle of rectangular sedimentation tank removal fraction particle,
By increasing inclined plate in pond, while reducing hydraulic radius, the wetted perimeter of the pond cross-section of river is increased, therefore current are in identical water
During advection speed v, reynolds number Re can be greatly reduced, stream is stored so as to reduce, promotes precipitation.In addition, adding inclined plate can also make
Particle precipitates Distance Shortened, reduces the sedimentation time, improves deposition efficiency.
7) can be selected be again introduced into aeration according to the situation of sewage by inclined plate clarification/sedimentation device treated water
Pond, the strand that sewage is not fully disconnected or does not discharge that complete substance is further to be handled, to reach a preferable shape
State.Again pass by aeration tank treated that sewage can be discharged finally.
8) sludge enters after sludge collecting pit from the sludge hopper in inclined plate clarification/sedimentation device and enters press filtration by membrane pump
Machine, so as to slough the moisture in sludge.This process can be selected according to the situation of sewage disposal.
By above-mentioned steps treated sewage, can achieve the purpose that reuse, and energy conservation and environmental protection, it is entire treated
Journey is automatical and efficient.
The composition of above-mentioned processing waste water is made of natural biologic material, based on ion isolation technology, using in charge
And mechanism, the sludge generated in various sewage and industrial wastewater and sewage disposal can be effectively treated.The work of the product
Belong to the suction type in sewage disposal Physical as mechanism, but can functionally substitute what is used in current industry completely
The traditional products such as chemical floc and rotary evaporation, ionization and technology, and secondary harm is not generated in water body, it substantially improves
Generate the moisture content of sludge.The composition product reaction speed of above-mentioned processing waste water was directly launched and is not required in advance at 3-15 minutes
Dilution, content removal rate are up to more than 80%；Its moisture percentage in sewage sludge generated is tasteless less than 35%, not viscous glutinous, not hydrophilic；
With the matching used mobile integrated complete set of equipments floor space of ion isolation medicine series product is small, the engineering construction cycle
It is short, easy to operate.In general, use of the ion isolation medicament in terms of sewage disposal, can not only energy saving, floor space
Small, middle water reuses, but also can mitigate the pressure of existing biochemical and Treatment of Sludge etc. in sewage disposal total system
Power, appropriateness promote the biodegradability of water body.
Claims (3)
1. a kind of garbage leachate handles fundamental technology, including (1) preposition auxiliary, (2) level-one sewage disposal core process, (3)
In put auxiliary, (4) postposition additional step, it is characterised in that：
(1) in preposition additional step, pH value is adjusted to 3.0-6.0；Adjust water inlet water velocity, it is ensured that water body is in follow-up sewage
Flow time is respectively 3-15 minutes respectively in the process procedure of processing core technique；
(2) in level-one sewage disposal core process step, adjusted including (A), (B) reacts, (C) flocculates, (D) filtering sedimentation：
(A) in regulating step, water pH value 7.0-9.0 is adjusted；Adjust water inlet water velocity, it is ensured that water body is in subsequent reactions and wadding
It is 3-15 minutes to coagulate flow time in two sub- process procedures；
(B) react：It is special according to sewage to be processed by medicament delivery controller under 700-950 revs/min of high-speed stirred
Point puts into the ion isolation medicament of the solid powder of all kinds of required dispensings in water successively, and the ion isolation medicament launched is put down
Comprehensive dosage sewage 10-300g per ton, water body flowed through the reaction process time as 3-15 minutes；
Wherein, the ingredient of ion isolation medicament is：Weight percent, 43.7-46.2% bentonites；24.1-25.9% sulfuric acid
Aluminium（Al2(SO4)3）；19.2-20.8% ceramic powders；4.8-5.2% chitosans and 4.8-5.2% calcium carbonate（CaCO3）；Wherein,
Al2(SO4)3Grain size be 18-74 μm；The grain size of chitosan is 44 μm；
(C) flocculate under 160-280 revs/min of stirring at low speed in flocculation basin；
PH value is detected in flocculation basin, and passes through control (B) stage of reaction dosage, control ph is in 6.0-9.0；
(D) by inclined plate clarification sedimentation device settled, filtering water outlet, sludge discharge；
(3) put in additional step, carry out biochemical, aeration and comprehensive adjustment, active cenobium is added in into sewage in a liquid state
In, sewage per ton adds in active cenobium 0.5-1.0 liters；Adjusting water pH value is 3.0-6.0, is exposed while adjusting pH value
Gas；Additional step generation sludge is put in described to mix with the sludge generated in the level-one sewage disposal core process；It generates
Sludge is tasteless, does not glue glutinous, not hydrophilic and moisture content below 35%；
(4) postposition additional step, postposition additional step are filtration step；
In the level-one sewage disposal core process, in step (D) filtering step, index is required by water quality detection and with water outlet
Comparison carries out small parameter perturbations setting, controls effluent quality index；Small parameter perturbations therein are set, and are by the way that (A) is controlled to adjust step
PH value in rapid, in the quantity of the ion isolation medicament in (B) reaction step, stirring motor rotating speed and (C) flocculation step
What stirring motor rotating speed was realized；
After putting additional step in described, B-grade sewage processing core technique is further included；The B-grade sewage processing core technique
The step of it is identical with level-one sewage disposal core process step；
The level-one sewage disposal core process or the B-grade sewage processing core technique are in mobile integrated complete set of equipments
Interior progress, the mobile integrated complete set of equipments are the mixing, stirring, dispensing of the ion isolation medicament for treated sewage
System set treatment device, including regulating reservoir, reaction tank, flocculation basin, the inclined plate clarification sedimentation device being sequentially connected by pipeline；
The top of its middle swash plate clarification sedimentation device passes through pipe by discharge of pipes treated water, the bottom of inclined plate clarification sedimentation device
Road connects sludge collecting pit；
The top of the inclined plate clarification sedimentation device is catch basin, and bottom is sludge hopper, and the trench bottom that catchments is equipped with hole, tiltedly
Plate is equipped with hole, and the angle of inclined plate and horizontal plane is 45 °~65 °.
2. a kind of garbage leachate processing fundamental technology according to claim 1, it is characterised in that：The filtration step is
Sand filtration, carbon filter or membrane filtration.
3. a kind of garbage leachate processing fundamental technology according to claim 1, which is characterized in that the technique uses can
Programmed logic controller and supervisory control and data aquisition system carry out automatic and electronic control.
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| CN101168463A (en) * | 2006-10-23 | 2008-04-30 | 宝山钢铁股份有限公司 | Method for treating manganese-series phosphorized waste water |
| CN101327996A (en) * | 2007-06-22 | 2008-12-24 | 宝山钢铁股份有限公司 | Treating process of dilute emulsified oily watewater |
| CN104903252A (en) * | 2013-04-18 | 2015-09-09 | 北京东方协和医药生物技术有限公司 | A composition for treating waste water |
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