CN105293822B - Coal chemical industry sewage disposal fundamental technology - Google Patents
Coal chemical industry sewage disposal fundamental technology Download PDFInfo
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Abstract
Coal chemical industry sewage disposal fundamental technology disclosed by the invention, including 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, water colorless free from extraneous odour after processing, produce without secondary harmful chemical and flocculation moisture percentage in sewage sludge it is low (<35%), odorless, non-sticky glutinous etc..
Description
Technical field
It is dirty for various coal chemical industries more particularly to one kind the present invention relates to sewage treatment process and method field
The fundamental technology and method of water process.
Background technology
In recent years, as 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 overall ecological environment.The main source of water pollution is sanitary sewage and trade effluent, wherein industry is dirty
Water stands in the breach, and coal chemical industrial waste water is using coal as one of priority industry waste water of basic raw material, to human body and environment
It is harmful.
So-called coal chemical industry be using coal as raw material, by a series of reaction of chemical technologies, be translated into gas, liquid,
Solid fuel and the industry for producing various chemical product.Difference based on production technology Yu output product, coal chemical industry is substantially
Coking of coal, coal calcium carbide, coal gasification and coal liquefaction etc. can be divided into.Coal chemical industry enterprises waste discharge is often given up with high-concentration coal gas washing
Based on water, the characteristics of coal chemical industrial waste water, is mainly shown as：Complicated components, containing a large amount of solid suspended particles, volatilization condensed-nuclei aromatics, pyrrole
(bi3) it is poisonous to cough up heterocyclic compound, cyanogen, oil, ammonia nitrogen and the sulfide of (ge1), furans, imidazoles (zuo4), naphthalene, nitrogenous oxygen sulphur etc.
Harmful substance, COD value and colourity are all very high.Due to the difference of raw coal composition and manufacturing condition, Pollutants in Wastewater content
It is not quite similar with species.China is the country based on coal resources, coal chemical industry (except coking) enterprise Sewage Water Emissions mark
Standard is according to GB8978-1996《Integrated wastewater discharge standard》Perform.Existing and newly-built coke oven production process is for coal, coking, coal gas
The process water pollutants such as purification, coking chemistry Product recycling and heat energy utilization, perform GB16171-2012《Coking chemistry industry is dirty
Contaminate thing discharge standard》.Water usually has three kinds of discharging modes after coal chemical industrial waste water business processes：Zero-emission, to sewage plant discharge and
Directly discharge；Zero-emission, that is, water fully recovering after handling, in this case enterprise for the chlorion in water after processing and fluorine from
Sub- content is concerned about very much, and enterprise's critical concern and the index of investigation, and zero-emission can be enterprise's saving cost, usually drum
Encourage and carry out enterprise's Treated sewage reusing；Another is that water after processing is discharged into industrial park or urban wastewater treatment firm, this
The index of water has to comply with industrial park water inlet index request related to urban wastewater treatment firm after business processes in the case of kind；
The third is directly discharged, and the treatment effect of enterprise's coal chemical industrial waste water cannot generally meet that national associated straight is run in the standard put at present
With require, be not allowed to usually.
Coal chemical industrial waste water water-quality constituents is complicated and the pollutant concentration such as ammonia nitrogen, volatile phenol, cyanide is high, there is pyridine in addition
(ding1), a variety of organic pollutions for being extremely difficult to degrade such as carbazole, biphenyl.General coal chemical industrial waste water water pH value is 7.0-
10.0.The characteristics of waste water is：
1) physical characteristic：Suspended matter and turbidity are high, usually isabelline, opaque；Stink weight；
2) salt content is high：Mainly sulfate, chloride and fluoride, total salt content is usually in 50-60g/L；
3) heavy metal and oil content are high：Heavy metal is mainly mercury, lead, copper, cadmium, chromium etc., 0.1-50mg/L etc.；
4) high organic content：Organic matter essentially from coal, benzene, ammonia, phenol, aldehyde, alcohol, based on hydro carbons；Wherein：
A) ammonia nitrogen：200-600mg/L；
B) volatile phenol：300-500mg/L；
C) cyanide：10-30mg/L；
5) COD (COD) is high：Usual COD may be up to 2,000-5,000mg/L etc.；
At present, the main synthesis of coal chemical industrial waste water processing uses three kinds of technical approach such as Physical, chemical method and bioanalysis；Its
Middle Physical includes multiple-effect evaporation, ionization, reverse osmosis membrane, ultrafiltration, nanofiltration etc., it is necessary to substantial amounts of electric power energy, especially film skill
The operation expense of art is fairly expensive；And chemical method typically adds high molecular oxidant (iron oxygen, Fenton in water
Deng) and chemical floc (such as polyacrylamide (PAM) or aluminium polychloride (PAC)) etc.；But chemical floc exists
Dosage is big, good water dilutes and matches, staticly settles for a long time, can not stir, producing secondary chemical hazard material and production in advance
The high-water content shortcoming of primary sludge, unavoidably actual process and operation in there are it is bigger the problem of；Such as flocculation rate
Slowly, current caching and reaction auxiliary facility take up a large area, and water resource and land wastage ratio are more serious, water environment are formed secondary
The problem of pollution etc., bigger is that very big puzzlement can be brought to the Treatment of Sludge that it is produced using chemical floc, not only will be very
Big electrical energy drive sludge filter press or centrifuge, and sludge smell is very smelly, and the moisture content of sludge is still high after processing
Up to more than 60%.Biochemical process is widely used at present, and especially in sanitary sewage disposal, its advantage is to stablize, is effective, runing
Cost is low, but its limitation is can not to handle the very poor waste water of the biodegradabilities such as high-enriched organics and high salt, repeatedly
Bacteria domestication and culture difficulty are high, or even some wastewater from chemical industry can also kill biochemical activity bacterium；Although this is also current China
Urban wastewater treatment firm is in large scale, but still to coal chemical industrial waste water and helpless industrial wastewater the reason for.
The content of the invention
In order to solve the above problem in coal chemical industrial waste water processing, proprietary technology product ion point of the present invention for applicant
From medicament (number of patent application：0001546.7) the specially designed coal chemical industry sewage disposal fundamental technologies of ZL 2,014 8.
The method for optimizing conventional physical processing coal chemical industrial waste water, has evaded the drawbacks of chemical method handles coal chemical industry sewage, and
The technique that biochemical method processing coal chemical industry sewage can be combined, expands coal chemical industry sewage disposal scope, improves coal chemical industry
Industry sewage 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, (Al2(SO4)3) particle diameter be 18-74
μm；19.2-20.8% ceramic powders；4.8-5.2% chitosans, wherein, the particle diameter of chitosan is 44 μm；With 4.8-5.2% carbonic acid
Calcium (CaCO3).The medicament is ion isolation medicament, and is solid powder particle.
The present invention is the coalification industrial and commercial bank made to measure for above-mentioned sewage treatment product (including ion isolation medicament and equipment)
Industry sewage disposal fundamental technology and method, can fully ensure that the dosage of ion isolation medicament is few (10-300 grams of ton water), directly
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
More than 80%, can according to and meet all kinds of sewage disposal discharge indexs of country, water colorless free from extraneous odour after processing, without secondary harmful
Chemical substance and flocculation produce sludge moisture content it is low (<35%), odorless, it is non-sticky glutinous the characteristics of and advantage.Make 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
Charging neutrality principle carries out sewage disposal.Its Basic Mechanism is by content in water body (particle, molecule and macromolecule chain link)
Adsorbed and polymerize, formed agglomerate flocculation sediment and the mode removed from water body, reverse and overturned traditional wastewater processing
Concept, is the breakthrough lifting to physical absorption in sewage disposal technology system and flocculation technique.Above-mentioned sewage treatment product is not
Widely used chemical floc product in current industry can only be substituted completely, but also can be pre-processed in sewage disposal system
And play a significant role in the control of water pollution point source and Treatment of Sludge.
The invented technology can be used as single sewage disposal core process 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.
Coal chemical industry sewage disposal fundamental technology disclosed by the invention and method include technological process and each
Specific control mode on technological process node.The present invention is based on coal chemical industry sewage disposal fundamental technology and method, for
The including but not limited to industry such as coal gas, coal liquefaction, coal calcium carbide, coking of coal, fine coal chemical industry, the coal produced in production technology
Chemical wastewater treatment carries out technique and method is formulated, with strong points and economical, efficient, environmentally friendly, effective.
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 in processed water body under solid state powder state, 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 flow chart of coal chemical industry sewage treatment process of the present invention as shown in Figure 1, including 1. level-one sewage disposal core process,
2. auxiliary, 3. B-grade sewage processing core technique, the 4. sub- technique such as postposition auxiliary are put in.Detailed sub- technique and each process point
Flow, parameter, control and operating method step are described as follows：
1. level-one sewage disposal core process and the sub- technique of methodThe process flow chart as shown in Fig. 2, including
Adjust,Reaction,Flocculation andFour sub- techniques such as filtering sedimentation.Sub- technique and each process point flow, parameter, control
It is described as follows with operating method step：
A, adjust：Thus raw water enters, main to include adding alkali control, acid adding control, comprehensive adjustment and pH detections etc. several
Link.Describe in detail as follows：
1) inflow requirement：Book technique for the present invention first sub- technique, water inlet source be pending waste water raw water or
Water after person's raw water aid in treatment；The water velocity determined according to the capacity of inflow and reaction process link reaction tank, is adjusted
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 water inlet is adjusted, according to definite overall process requirements, control
Acid adding processed and plus two links of alkali formed and automatically control feedback subsystem, it is ensured that stablize before water pH value dispensing in 7.0-9.0 models
In enclosing.The pH value range that this link is subjected to water body is 3.0-11.0.Water pH value setting is most important to the present invention, the present invention
The ion isolation medicament being related to is very high to the susceptibility of water pH value, if the pH value of water body is less than 6.0, ion isolation medicament
Do 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 coal chemical industry sewage disposal is directed to, the dosage of the ion isolation medicament in the sub- technique
Need to be adjusted to 10-300 grams of ton sewage；
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 either back segment increase acidifying or
The processing of the traditional handicraft such as alkalization, aeration, activated sludge, then enters back into present invention process；
4) water outlet flows to：After the completion of governing loop, by treatment sewage sequential flow to the follow-up sub- process procedure of reaction.
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 for this in usual Practical Project.It is described in detail as follows：
1) into water process：Book technique water inlet source is regulator technique adjacent before it；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 strengthen 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, including odor, colourity and turbidity etc. are lifted, while lifts the suspension for removing water body
Thing, heavy metal and other organic chemistry indexs.Water body flowed through this process time as 3-15 minutes；It is required add medicament be all
It is directly added under solid powder state in sewage, this point has with application methods such as the chemical flocs that is commonly used in the industry
It is significantly different.Traditional chemical flocculant needs to make good use of water dilution before use at present, and dosing throwing is then carried out in a manner of liquid
Put, it is time-consuming and laborious, it is of high cost.
4) water outlet flows to：Processed water body is 3-15 minutes reacting sub- technique flow time, enters sub- work of flocculating afterwards
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 for this 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 reaction adjacent before it；The capacity of flocculation basin according to
Pending water, the flocculation basin time of 3-15 minutes is flowed through with reference to current, and the rated power of stirring motor is 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 strengthen the caking flocculation effect in water body between small coagulated particles, usual flocculation basin is identical with above-mentioned reaction tank
Also square cross-sectional configuration is used, stablizes after water body stirring and forms very shallow funnel shape；The flocculation process stage is not required to
Offer medicine；
It is emphasized that：The chemical agent that general sewage treatment process uses, when can only be long in the C flocculation process stages
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 strengthening
Flocculating effect, prepares, the effect of settling of agglomerate flocculate is more preferable for the filtering sedimentation work of next step.
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 medicine in itself according to the present invention, medicine 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 medicament
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 is 3-15 minutes in the sub- technique flow time that flocculates, and is settled afterwards into filtering
Sub- technique.
D, filtering settles：Filtering, which settles sub- process procedure, includes sedimentation, filtering water outlet, water quality detection and supporting 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) for this.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 flocculation adjacent before it；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 produced after water process are made in gravity
With sinking, while supernatant is formed, 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
Need to stand flocculation for a long time, and it is sticky to produce sludge, can form sludge adhesion on inclined plate, maintenance cost is high；
And the present invention is not hydrophilic, not viscous glutinous based on the flocculate sludge that ion isolation medicament is formed, it is not necessary to 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 produced 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 refers to 0.3 ‰ to 1.5 ‰ according to overall process water
Calculate.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
The secondary phenomenon for 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
Finely tuning the system control parameters being previously set (includes the dispensing of pH the upper-lower doors limit value, cast feeder of adjusting technique and flocculation process
Speed etc.).Usual integrated artistic configuration parameter needs to be 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 speed 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
Book technique.
2. auxiliary is put in includes the links such as biochemical and aeration, comprehensive adjustment and Adding medicine control, is described as follows respectively：
1) inflow requirement：Book technique for the present invention second sub- technique, water inlet source be after 1. 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 rear
Flow time is 3-15 minutes in continuous 3. link；
2) biochemical and aeration：Biochemistry uses composite reactive cenobium, and the main function of active cenobium is similar and may replace at present
The activated sludge generally used in industry.According to pending coal chemical industry sewage water quality and water outlet requirement, flowed naturally in water body
In the case of, directly active cenobium is added in sewage in a liquid state.Ton sewage adds active cenobium 0.3-0.8 liters；Water body
This process time is flowed through as 15-40 minutes；Aeration is carried out at the same time in biochemical process；
3) comprehensive adjustment：Its main function is the link broken in water body, by the salt in water body, ammonia and heavy metal carry out from
Son exchanges, and usually configures dedicated regulating reservoir and is handled.According to pending coal chemical industry sewage water quality and water outlet requirement, in water body
Naturally in the case of flowing, directly by sour (such as certain density hydrochloric acid HCl) or alkali (such as certain density lye NaOH)
In a liquid state add sewage in, and by follow-up pH value detection sensor by water pH value control 9.0-13.0 it
Between；
4) Adding medicine control：After comprehensive adjustment in the case of water pH value 9.0-13.0, salt removal is added at the same time in water body
Agent, such as：Using barium carbonate, ferrous sulfate, calcium oxide, potassium oxide as main component composite preparation；Ammonia remover is added, than
Such as：Sodium phosphate and the preparation that magnesia is main component；Heavy metals removal agent is added, such as：Organic sulfur compound, bentonite and shell
Glycan is the preparation of main component.Wherein dosage is respectively 500-1,000 grams of salt remover ton water, ammonia remover ton water 500-
2,000 grams and 200-1,000 grams of heavy metals removal agent ton water；Salt remover, ammonia remover, heavy metals removal agent can also use
The conventional products for sewage disposal that in the market can be sold.
5) water pH value：PH value detection sensor is detected for water inlet is adjusted, according to definite overall process requirements, control
Acid adding link processed forms and automatically controls feedback subsystem, it is ensured that water pH value in the range of needs, be usually 9.0-13.0 it
Between, or according to overall process requirements progress parameter setting；
6) water outlet flows to：In put auxiliary link after the completion of, by treatment sewage sequential flow to it is follow-up 3..
3. B-grade sewage processing core technique and the sub- technique of methodThe process flow chart as shown in Fig. 2, including
Adjust,Reaction,Flocculation andFour sub- techniques such as filtering sedimentation.The sub- technique and each process point flow, parameter, control
System and operating method step and above-mentioned steps are 1. identical.
4. postposition aids in：The sub- process procedure mainly filters link.In usual Practical Project for this link set sand filtration,
Carbon filter or membrane filtration etc..
So far, sewage disposal integrally terminates, and can carry out draining or reuse.
The invented technology can be used as single coal chemical industry sewage disposal core process template to carry out practical application, also may be used
Flexibly to increase or remove other process matched therewiths, it itself can also be used in series, be widely portable to various sewage disposal system works
Skill, pretreatment, end-o f-pipe -control 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, aeration, oxidation etc.), creates at sewage
It is small, quick to manage low system investments, short time limit, floor space.
In particular：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 is passed 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 the water after discharge of pipes processing, 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 °.
Especially it is emphasized that：According to the requirement of sewage disposal, multi-stage sewage processing core processing step can be carried out
In, additional step is put in can increasing between multi-stage sewage processing core processing step, finally carries out postposition additional step again.
In particular：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 for the customized technique of the coal chemical industry sewage disposal involved by ion isolation medicament, utilizes this
Technique can give full play to the characteristic and advantage of medicament, and concise in technology understands, technology stability is good, effectively reduces comprehensive operation
Cost, 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, easy to flexibly use, not only can individually become point source
Control sewage disposal system, and can be used as pretreatment module addition before the biochemical process of existing sewage disposal system with/
After or, and suitable for the processing of various coal chemical industries.
Dispensing control in present invention process and method can be controlled automatically using PLC (automated programming control) mode
System, can also dock into line interface with the DCS (distributed network system (DNS)) of sewage treatment mechanism, realize centerized fusion.
Brief 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. 4,1pH regulating reservoirs, 2 regulating reservoirs, 3 blenders, 4 aeration tanks, 5 reaction tanks, 6 flocculation basins, 7 throw
Glassware, 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.
Embodiment
The present invention is described in further detail below in conjunction with attached drawing.
The processing of embodiment 1- coal chemical industry sewages:
The index is required to be after water body raw water and processing：
Based on " a kind of coal chemical industry sewage processing fundamental technology " of the invention, for process flow chart such as Fig. 1 of the present embodiment
It is shown, technique include 1. level-one sewage disposal core process, 2. in put auxiliary, 3. B-grade sewage processing core technique, 4. postposition
The sub- techniques such as auxiliary.Detailed sub- technique and each process point flow, parameter, control and operating method step are described as follows：
1. level-one sewage disposal core process and the sub- technique of methodThe process flow chart as shown in Fig. 2, including
Adjust,Reaction,Flocculation andFour sub- techniques such as filtering sedimentation.Sub- technique and each process point flow, parameter, control
It is described as follows with operating method step：
A, adjust：Thus raw water enters, main to include adding alkali control, acid adding control, comprehensive adjustment and pH detections etc. several
Link.Describe in detail as follows：
1) inflow requirement：Book technique for the present invention first sub- technique, water inlet source be pending waste water raw water or
Water after person's raw water aid in treatment；The water velocity determined according to the capacity of inflow and reaction process link reaction tank, is adjusted
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 water inlet is adjusted, according to definite overall process requirements, control
Acid adding processed and plus two links of alkali formed and automatically control feedback subsystem, it is ensured that stablize before water pH value dispensing in 7.0-9.0 models
In enclosing.The pH value range that this link is subjected to water body is 3.0-11.0.Water pH value setting is most important to the present invention, the present invention
The ion isolation medicament being related to is very high to the susceptibility of water pH value, if the pH value of water body is less than 6.0, ion isolation medicament
Do not react；If the pH value of water body is higher than 9.0, ion isolation pharmaceutical use will greatly increase.Inlet flow-patterm in the present embodiment
It is worth for 7.0-8.0；
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 water inlet before increase acidifying, aeration, activated sludge
Etc. traditional handicraft processing, present invention process is then entered back into；
4) water outlet flows to：After the completion of governing loop, by treatment sewage sequential flow to the follow-up sub- process procedure of reaction.
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 for this in usual Practical Project.It is described in detail as follows：
1) into water process：Book technique water inlet source is regulator technique adjacent before it；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 strengthen 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, including odor, colourity and turbidity etc. are lifted, while lifts the suspension for removing water body
Thing, 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.Water body flow time is 8 minutes in the present embodiment, and dosage is 25 grams of ton water；
4) water outlet flows to：Processed water body is 3-15 minutes reacting sub- technique flow time, enters sub- work of flocculating afterwards
Skill.
C, flocculate：Two links such as the sub- process procedure that flocculates is including mixing slowly, pH value detection.When water body flows through herein
Between need control at 3-15 minutes.Link is provided with flocculation basin for this 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 reaction adjacent before it；The capacity of flocculation basin according to
Pending water, the flocculation basin time of 3-15 minutes is flowed through with reference to current, and the rated power of stirring motor is 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 strengthen the caking flocculation effect in water body between small coagulated particles, usual flocculation basin is identical with above-mentioned reaction tank
Also square cross-sectional configuration is used, stablizes after water body stirring and forms very shallow funnel shape；The flocculation process stage is not required to
Offer medicine；
It is emphasized that：The chemical agent that general sewage treatment process uses, when can only be long in the C flocculation process stages
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 strengthened
Solidifying effect, prepares, the effect of settling of agglomerate flocculate is more preferable for the filtering sedimentation work of next step.
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 medicine in itself according to the present invention, medicine 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 medicament
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 is 3-15 minutes in the sub- technique flow time that flocculates, water body stream in the present embodiment
It is 8 minutes through the time, settles sub- technique into filtering afterwards.
D, filtering settles：Filtering, which settles sub- process procedure, includes sedimentation, filtering water outlet, water quality detection and supporting sludge
Five links such as discharge and parameter adjustment.Water body needs to control at least 3-15 minutes in this flow time, water body in the present embodiment
Flow time is 8 minutes；Link is provided with sedimentation filtering pond (such as inclined plate sedimentation pond) for this in usual Practical Project.The present invention
Inclined plate is used to clarify sedimentation device.It is described in detail as follows：
1) into water process：Book technique water inlet source is the sub- technique of flocculation adjacent before it；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 produced after water process are made in gravity
With sinking, while supernatant is formed, 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
Need to stand flocculation for a long time, and it is sticky to produce sludge, can form sludge adhesion on inclined plate, maintenance cost is high；
And the present invention is not hydrophilic, not viscous glutinous based on the flocculate sludge that ion isolation medicament is formed, it is not necessary to 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：Including the crucial water quality required by the discharging standards such as pH value detection, COD, ammonia nitrogen, total phosphorus
Index, 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 produced 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 refers to 0.3 ‰ to 1.5 ‰ according to overall process water
Calculate.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
The secondary phenomenon for 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
Finely tuning the system control parameters being previously set (includes the dispensing of pH the upper-lower doors limit value, cast feeder of adjusting technique and flocculation process
Speed etc.).Usual integrated artistic configuration parameter needs to be 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 speed 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
Book technique.
2. auxiliary is put in includes the links such as biochemical and aeration, comprehensive adjustment, Adding medicine control, is described as follows respectively：
1) inflow requirement：Book technique for the present invention second sub- technique, water inlet source be after 1. 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 rear
Flow time is 3-15 minutes in continuous 3. link；Inflow requirement COD500-1,500mg/L in the present embodiment, pH value 6.0-7.0；
2) biochemical and aeration：Biochemistry uses composite reactive cenobium, and the main function of active cenobium is similar and may replace at present
The activated sludge generally used in industry.According to pending coal chemical industry sewage water quality and water outlet requirement, flowed naturally in water body
In the case of, directly active cenobium is added in sewage in a liquid state.Ton sewage adds active cenobium 0.3-0.8 liters；Water body
This process time is flowed through as 15-40 minutes；Aeration is carried out at the same time in biochemical process；Active cenobium dosage is ton in the present embodiment
0.4 liter of water, is added weekly once, and water body indwelling time is 30 minutes；
3) comprehensive adjustment：The main function of acidifying is to destroy active material in water body, by the salt in water body, ammonia and heavy metal
Ion exchange is carried out, dedicated regulating reservoir is usually configured and is handled.Required according to pending coal chemical industry sewage water quality and water outlet,
In the case where water body flows naturally, directly by sour (such as certain density hydrochloric acid HCl) or alkali (such as certain density lye
NaOH) add in sewage, and controlled water pH value in 9.0- in a liquid state by follow-up pH value detection sensor
Between 13.0；PH value control is in 12.0-13.0 in the present embodiment.
4) Adding medicine control：After comprehensive adjustment in the case of water pH value 9.0-13.0, salt removal is added at the same time in water body
Agent, such as：Using barium carbonate, ferrous sulfate, calcium oxide, potassium oxide as main component composite preparation；Ammonia remover is added, than
Such as：Sodium phosphate and the preparation that magnesia is main component；Heavy metals removal agent is added, such as：Organic sulfur compound, bentonite and
Chitosan is the preparation of main component.Wherein dosage is respectively 500-1,000 grams of salt remover ton water, ammonia remover ton water
500-2,000 grams and 200-1,000 grams of heavy metals removal agent ton water；Salt remover, ammonia remover, heavy metals removal agent can also
The conventional products for sewage disposal that can be sold using in the market.Dosage is respectively 800 grams of salt remover in the present embodiment, ammonia
1,000 gram of remover, 300 grams of heavy metals removal agent.
5) water pH value：PH value detection sensor is detected for water inlet is adjusted, according to definite overall process requirements, control
Acid adding link processed forms and automatically controls feedback subsystem, it is ensured that water pH value in the range of needs, be usually 9.0-13.0 it
Between, or according to overall process requirements progress parameter setting；PH value control is in 12.0-13.0 in the present embodiment.
6) water outlet flows to：In put auxiliary link after the completion of, by treatment sewage sequential flow to it is follow-up 3..
3. B-grade sewage processing core technique and the sub- technique of methodThe process flow chart as shown in Fig. 2, including
Adjust,Reaction,Flocculation andFour sub- techniques such as filtering sedimentation.The sub- technique and each process point flow, parameter, control
System and operating method step and above-mentioned steps are 2. identical.
It should be noted that dosage is 15 grams of ton water in the present embodiment, water body flow time is 8 minutes.
4. postposition aids in：The sub- process procedure mainly filters link.In usual Practical Project for this link set sand filtration,
Carbon is filtered or membrane filtration, sodium are filtered etc..The postposition technique used in the present embodiment is permeable membrane.
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
Be dissolved in the phenomenon of 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
Finely tuning the system control parameters being previously set (includes the dispensing of pH the upper-lower doors limit value, cast feeder of adjusting technique and flocculation process
Speed etc.).In the present embodiment, debugged by 3 days, integrated artistic starts to stablize and meets effluent index requirement；
3) water outlet flows to：Processed water body is 8 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 and be adapted to the pH adjusting agent of different sewage to be usually acidified；
(2) after the pH adjusted pond of sewage adjusts pH value, into regulating reservoir 2, the water pH value after acidifying is adjusted to 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 to interrupt sewage strand or release respective substance, warp
Overregulate the sewage behind pond and corresponding medicament enters aeration tank；
(4) by above pH regulating reservoirs, regulating reservoir, the sewage of aeration tank, filled for the reaction of ion isolation medicament
The preparation divided, gives full play to pharmacological property for medicament and creates advantage；Sewage enters reaction tank through pipeline, while by for locating
The cast feeder for managing the composition of waste water 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 used to catch soluble and non-solvable
Property material 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 be 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
Thing, 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 that the precipitation principle that fraction particle is removed according to rectangular sedimentation tank is made,
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, so as to reduce storage stream, promotes precipitation.In addition, adding inclined plate can also make
Particle precipitates Distance Shortened, reduces the sedimentation time, improves deposition efficiency.
(7) clarify by inclined plate/sedimentation device processing after water can be selected be again introduced into aeration according to the situation of sewage
Pond, the strand that sewage is not fully disconnected or does not discharge that complete material is further to be handled, to reach a preferable shape
State.Again passing by the sewage after the processing of aeration tank can finally discharge.
(8) sludge is entered by membrane pump after entering sludge collecting pit from the sludge hopper in inclined plate clarification/sedimentation device and pressed
Filter, so as to slough the moisture in sludge.This process can be selected according to the situation of sewage disposal.
Sewage after above-mentioned steps are handled, can achieve the purpose that to reuse, and energy conservation and environmental protection, whole 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 electric charge
And mechanism, the sludge produced 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 product such as chemical floc and rotary evaporation, ionization and technology, and secondary harm is not produced in water body, substantially improve
Produce 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 produced 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 lift the biodegradability of water body.
Claims (3)
1. put in a kind of coal chemical industry sewage disposal fundamental technology, including (1) level-one sewage disposal core process, (2) auxiliary,
(3) postposition additional step, it is characterised in that：
(1) in level-one sewage disposal core process step, including step (A) is adjusted, (B) reacts, (C) flocculates, (D) filtering is sunk
Drop, wherein：
(A) in regulating step, treated sewage pH value 7.0-9.0 is adjusted；Adjust water inlet water velocity, it is ensured that water body is in subsequent reactions
It it is 3-15 minutes with flow time in two sub- process procedures of flocculation；
(B) react：Under 700-950 revs/min of high-speed stirred, by medicament delivery controller, by ion isolation medicament successively
Put into water, the ion isolation medicament average aggregate dosage sewage 10-300g per ton launched, water body flows through the reaction process time
For 3-15 minutes；
Wherein, the component 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)3Particle diameter be 18-74 μm；The particle diameter 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 is led to
Control (B) stage of reaction dosage is crossed, control ph is in 6.0-9.0；
(D) by inclined plate clarification sedimentation device settled, filtering water outlet, sludge discharge；
(2) put in additional step, carry out biochemical, aeration, comprehensive adjustment and Adding medicine control step：
(A) biochemical and aeration：Biochemistry uses composite reactive cenobium, directly adds active cenobium in sewage in a liquid state；
Sewage per ton adds active cenobium 0.3-0.8 liters；Water body flowed through this process time as 15-40 minutes；In biochemical process at the same time
It is aerated；
(B) comprehensive adjustment：By water pH value control between 9.0-13.0；
(C) Adding medicine control：After comprehensive adjustment in the case of water pH value 9.0-13.0, added in water body salt remover desalination,
Ammonia remover is added except ammonia, addition heavy metals removal agent removing heavy metals；
(D) sludge is discharged：In put additional step produce sludge be mixed into the sludge produced in level-one sewage disposal core process
Enter storage basin；The sludge of generation is tasteless, not viscous glutinous, not hydrophilic and moisture content is below 35%；
After putting additional step in described, B-grade sewage processing core technique is further included；The B-grade sewage processing core technique
It is identical with level-one sewage disposal core process；
In the level-one sewage disposal core process, in (D) filtering precipitation step, index is required by water quality detection and with water outlet
Contrast carries out small parameter perturbations setting, controls effluent quality index；Small parameter perturbations therein are set, and are by controlling (A) to adjust step
PH value in rapid, in the quantity of the ion isolation medicament in (B) reactions steps, stirring motor rotating speed, and flocculation (C) step
Stirring motor rotating speed realize；
(3) in postposition additional step, postposition additional step is filtration 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；
Its middle swash plate clarification sedimentation device top handled by discharge of pipes after water, inclined plate clarification sedimentation device bottom pass through pipe
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, inclined plate
It is equipped with hole, the angle of inclined plate and horizontal plane is 45 °~65 °.
A kind of 2. coal chemical industry sewage disposal fundamental technology according to claim 1, it is characterised in that：The filtering step
Suddenly it is sand filtration, carbon is filtered or membrane filtration.
A kind of 3. coal chemical industry sewage disposal fundamental technology according to claim 1, it is characterised in that：The technique is adopted
Automatic and electronic control is carried out with programmable logic controller (PLC) and supervisory control and data aquisition system.
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| CN105858755B (en) * | 2016-05-31 | 2018-09-21 | 杭州大业环保科技有限公司 | A kind of dedicated sewage-treating agent of glass processing and preparation method thereof |
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Effective date of registration: 20191129 Address after: 100176 unit B, building 22, yard 37, Liangshuihe 1st Street, Daxing District, Beijing Patentee after: Zhou Chaohui Address before: 100176 No. 17 Zhonghe street, Beijing economic and Technological Development Zone, Beijing Patentee before: Mao Xu |