7 Dec 2010

双系统污水淨化處理

Submitted by super

? Tie? Purification of sewage
Also called enduring rice physics sewage life and chemistry? Systematic processing apparatus
First, describe the categorised source of domestic sewage?
The comprehensive domestic sewage source urea and dejection washes by water (pH value genus sour) And wash the clean water (pH value belongs to the soda) ,Average household sewage of every days such as the general idea 200 in person who produce, can divide into the intersection of excrement and the intersection of urine and sewage and life mix drain off water ((genus sour pH value) , have a bath, laundry? The room is cleaned and drained off water (pH value belongs to the soda) ,Biochemical oxygen demand (BOD) About 180-220mg/L calculates, the producing amount of pollution of per capita daily BOD is about 40g (date causes 4500 liters of water anoxia) ,It is about 13g (32.5%) that the excrement urine sewage produces load , life mix drain off water, it produces load to be about 27g (about 67.5%) . BOD is representable and aqueous the pollution level, the organic pollution in the sewage the oxygen amount that little biolysis needs, the higher BOD value the greater for pollution level is, if will bring up greater pollution in the commercial residential district, city upgrade plan huge to build the intersection of underground and dirty pipe line, keep away from getting prosperous discharging, because has not planned to be building and dealing with the sewage apparatus and banishing the rivers and creeks in the pollution source, very directly by build the intersection of underground and dirty pipe line, banish the rivers and creeks, does very difficult responsibility rule belong to and require the polluting value of standard?
The comprehensive sewage is drained into the sewer water quality standard of the city: PH value 6.0~9.0mL/L highest to allow thickness, will improve pH value through around environmental impact generally 10~12mL/L factor possible, suspended matter 15min 150(400) mL/L, purplish black silk is discredited, become dissolubility solid the intersection of 2000mL/L and Shen settle things, the intersection of sulphate and 600 mL/L, oil 100 mL/L,etc. need, ask project 30 several the amount of one, need, ask highest to allow thickness, the intersection of biochemical oxygen demand and (BOD5) while being other 100(300) ML/L, chemical oxygen demand (CODcr) 150(500) There is the difficulty that manages the comprehensive sewage to drain into the sewer water standard of the city.
Domestic sewage source : The urea and dejection washes by water (pH value is the acid) The amount of 20~30% of solid compositions is the sour discredited badistan of organic matter of acidity, wash the clean water (pH value belongs to the soda) Mostly possess materials such as antiseptic function and oil,etc. for soda inorganic matter? ,In the intersection of planning and the intersection of city and the intersection of building and the intersection of building and community and commercial community, and unable to make, stipulate sewage drain the intersection of city and sewer,etc. into deal with, the urea and dejection washes by water (pH value is the acid) And wash the clean water (pH value belongs to the soda) And others such as the meal oil of shop,etc., handle the idea in technical equipment not having result to decompose the function, want, act as difficult can the severe poisonous sewage is flowed into day by day but Sichuan.
Life excrete urea and dejection wash, hydrate, mix, wash the clean water, mean hindering and making urea and dejection organic matter yeast to settle sour decomposition reaction, will produce sulphate and the intersection of ammonia and the intersection of nitric improvement,etc. and fluoride, discharge, illuminate sunshine and temperature rise react, produce direct, solid thing active fungus autoignite, decompose function to the limit as to withered the intersection of caking and grains of mistake, produce stimulating the intersection of stench and bad smell, it includes to be a little malicious chlorobenzene amine again, will improve factors such as pH value 10~12mL/L,etc.. General domestic sewage make good use of oxygen bring up useful organic compound of microbe, decompose fungus, nitrify fungus, oxidize fungus,etc., take off rise activity to stop up fungus afterwards, change the promotion of producing N2, therefore reduce the degree of turbidity. Because ammonia and hydrogen sulphide nitrifies the fungus, become low thickness according to oxidizing the variety of the fungus, disagreeable photosynthetic bacteria later, go to the atmosphere to spread (stench is lightened) .
Factory discharge sewage than? Complicated, and because acid to up to, lean towards many by pH 1.5~3 acid sewage, manufacturer utilize ferric chloride, sodium hydrate and calcium hydroxide acid to punish for chemistry, sewage reach pH value 6.0~7.5mL/L, the intersection of chemical oxygen demand and COD200PPm highest to allow thickness, can drain the intersection of industrial area and sewage treatment plant into, check on, require by every industrial area the intersection of sewage treatment plant and speciality, synthesize inhomogeneity all kinds of large sewage carry on the intersection of BOD and biological oxygen demand and the intersection of COD and chemical oxygen demand, allocate, take photosynthesis and assistant react steady 7 day, soda pH value and Shen settle mud, and reach various following purification standards and stipulate that flow to turn on the water? .
Sewage treatment plant flow, drain, enter again the intersection of sand and the intersection of pool and Shen Shen, settle gravel, enter pool Shen Shen settle organic or inorganic matter that suspend for the first time later, the chlorination is discharged in the sea after sterilizing finally. But such primary treatment, underwater dissolubility organic matter and nitrogen material are a bit high. And sewage after secondary treatment, will enter the intersection of end and pool Shen, settle the intersection of mud and Shen, and then discharge in the rivers and creeks or ocean. No matter elementary or second sewage treatment plant, the mud produced stills have nearly 95% of the moisture contents, must after sludge dewatering, send to the waste of cause and bury the factory to go on and bury and then.
Shen settles biochemical oxygen demand (BOD) of the mud Will change into the mud. The mud is after dehydrating, the volume that can reduce the mud after reducing the moisture content, make the mud easy to make and handle finally. The moisture content has been about 94%- 97% before the mud of launching has not been dehydrated, the moisture content is about 75%- 80% after dehydrating, launching the intersection of sludge dewatering and way depend on mechanical equipment to be different, have vacuum dehydrate, tape press, dehydrate, squeeze and strain ways such as dehydrating and centrifugal dewatering,etc., the mud cooperates with clay number of times of the proportion, sintering temperature, sintering and mud composition,etc.. The mud metal of launching dissolves the test result out to reveal except that Zn dissolves the great of appearing amount, Pb, Cd, Cr, As,etc. have not exceeded the current harmful waste to assert the standard. Mix sintering with 60% of the clay with 40% of the launching mud, the sintering temperature is at 800 ¡æ, China's national standard (CNS) of coinciding with compression strength in water absorbing capacity Regulation of the second-class brick; The sintering temperature accords with the regulation of the first-class brick in water absorbing capacity and compression strength at 1000 ¡æ; The sintering temperature is at 1300 ¡æ, the body of brick presents the fusing state.
Second, endure rice physics sewage life and chemistry? The systematic processing apparatus?
? Tie? Purification of sewage : The urea and dejection washes by water (pH value is the acid) And wash the clean water (pH value belongs to the soda) Separate and deal with creating? Big favourable worker can, if acid sewage of factories is utilized and washed the clean water (pH value belong to the soda) Adding micro- catalyst assistant reflects the sewage work efficiency of the content of heavy metal.
(1) The first type urea and dejection washes by water (pH value genus sour) Technological processing method : Secrete ferment, acid neutralize ammonia soda material, decompose the macromolecule and absorb little member to decompose things, supersession gas producing outside the afterbirth ' It is mainly carbon dioxide) ,Add micro- the intersection of catalyst and assistant react the intersection of solid and Shen settle thing, it granulates dry carbonization to be applicable to burn the intersection of carbon and energy.
(2) The second type urea and dejection washes by water (pH value genus sour) Technical treatment method: The urine contains the high thickness nitrogen compound, the nitrogen compound can be degraded rapidly, release amino acid and minerals, offer nutrition for the fact that the alga grows, and the plankton consumes alga. Jia Na says: "We think the nutrition release lure fast reproduction of plankton into fast. "Plankton fish-feed cultivate until the whole world one dollar of huge industries.
(3) The third type urea and dejection washes by water (pH value is the acid) Technical treatment method: If make base manure with the thick thick night soil, should construct and cover the soil at the same time at the same time, in case that ammonium attitude nitrogen volatilizes. Such as using as kind fertily, should cover with a layer of thin earth after applying fertilizer, it is comparatively appropriate to and then sow seeds. If construct in the paddy field, should plough and turn over immediately, after staying for 1- 2 days, irrigate into the field, it is unsuitable to drain off water in one week after constructing, so as not to run off. It becomes thoroughly decomposed night soil to be fast-effective fertilizer, can make base manure and topdress, until water irritate, construct and 3- 5 times splash constructing to water. People's urine can be used for soaking seed, the seed after soaking seed emerges early, the seedling is stalwart. The thickness is generally urine solution of 5% of the fresh persons to soak seed. Because the night soil is phosphorated, potassium is less, must cooperate with the phosphorus, potassium to use while using.
(4) The third kind is washed the clean water (pH value belong to the soda) Technical treatment method: The daily clean articles used are based on petroleum derivative and interface active agent raw materials more, it add and then it is chemical for prescription make,not have a bath, not do washing? The room is cleaned and drained off water (pH value belongs to the soda) ,Biochemical oxygen demand (BOD) About 180-220mg/L calculates, the producing amount of pollution of per capita daily BOD is about 40g (date causes 4500 liters of water anoxia) Factors such as the response,etc.. Measure with the multiple national CNS standards of cleaning agent through food and tableware, do not include nona group phenol and gather ethoxy interface active agent of alcohol through examining, include methanol, include heavy metal, include epoptic whitener, pH 9.9, biolysis, spend 95%, needn't afraid the intersection of chemistry and residual question, it can rest assured what has been used easily it remove grease ' how it have life spent, had a bath, be do washing? Room clean drain off water .
(5) Fourth kind of light industrial sewage (pH value genus sour) Utilize having a bath, laundry, OK? The room is cleaned and drained off water (pH value belongs to the soda) Sewage comprehensive light industrial sewage (pH value genus sour) Endure rice physics sewage life and chemistry? The systematic processing apparatus is dealt with, purify the sewage and and because depend on the chemical property sewage of light industry, supplementary to endure rice to be serious than the intersection of molecule and the intersection of catalyst and assistant a little, through emulsify, grind, produce the intersection of thermal reaction and the intersection of crystallization and Shen, settle things, can create, have the intersection of added value and product function while being other in accordance with the intersection of material and property.
Third, endure rice physics sewage life and chemistry? Does structural physics of systematic processing apparatus parts employ the utensil?
(1) Urea and dejection, washing the clean, light industrial sewage, introduce the sewage? Systematic processing apparatus deal with, deposit the intersection of trough and fluid, withdraw into, utilize the intersection of 30HP and the intersection of pumping and at a high speed particle disintegratoor, carry on the knife and cut technological refinement crushed, all kinds of materials are mixed even mixedly, the ordering amount is poured into continuously differently and matched, to endure the rice a little is heavy than molecule catalyst assistant, carry on 4 of serial number of times and arrange and endure the rice pumping to grind the emulsifying machine, it is even to carry on the natural chemical property of physics, emulsify, grind, produce the intersection of thermal reaction and crystallization, introduce Shen into, settle barrel and carry on serial number of times 4 arrange Shen, settle the barrel, clean and clear and purifying water quality, cooperate with the automated analysis of the man-machine computer to calculate, allocate and control water standard function,etc., control by the intersection of biological oxygen demand and BOD, chemical oxygen demand COD control and Shen hall thing SS control.
(2) Shen settles the barrel and carries on the serial number of times, can introduce the material of sewage content of different compositions, because supplementary to endure rice to be serious than the intersection of molecule and the intersection of catalyst and assistant a little, carry on the serial number of times on different the intersection of sewage and the intersection of composition and the intersection of content and material of introducing, match, take serial the intersection of number of times and the intersection of physics and natural chemical property react crystallization and reach Shen settle things fast, serial number of times, introduce into 4 arrange Shen, settle barrel, separate Shen, settle thing and filtration of suspended matter, improve and purify water quality clean and reaching canonicalization and breathing out even more and requiring jointly even more; Control by the intersection of biological oxygen demand and BOD, chemical oxygen demand COD control and Shen hall thing SS control. Cooperate with the automated analysis of the man-machine computer to calculate and control and revise and match compositions, create added value product to settle the thing Shen.
(3) Shen settle the intersection of barrel and the intersection of lower floor and valve, isolate water purification, utilize spiral settle thing, send, press, pigeonhole, dehydrate Shen automatically, form the intersection of mud and solid thing, arrange Shen, settle the barrel, the valve utensil spiral of lower floor through 4, produce the intersection of mud and solid thing automatically, add, need, make the intersection of added value and some other composition materials of product, not been mixed and has stired the dry powder and granulated etc. and has conceived the products? Send to the waste and bury the factory and carry on burying and water mud and mix sintering with 60% of the clay again sparingly, wait for expenses and two-shot pollution source scheduling problem.
(4) ? Deal with the apparatus systematically; Right left the intersection of tail end and Shen settle barrel, handle the intersection of purification and the intersection of upper strata and water, introduce, right the intersection of left and four-level ladder but there are different function materials in the trough, but carry on natural sunshine and air, energy stone, activited carbon, water root plant,etc. ---Wait for the beneficial intravital fungus to absorb, the Pu film forming of the rivers makes oxygen, purifies water quality quantity and supplements mineral quality, (right left the intersection of tail end and Shen settle barrel, deal with purified water, introduce right the intersection of Left deviation and four-level ladder trough into, have, explode person who shine mix, gush out, weep the intersection of water quality and swap device, reliable man-machine the intersection of computer and automated analysis calculate and adjust the flow control of water quality to cooperate, in flowing into the four-level ladder trough of right left, carry on natural sunshine, air and mineral, supplement water quality and transformation to purify, form the natural response technical treatment of physical chemistry.
Four, the sewage particle grinds and endures the rice catalyst (the treatment technology of reaction that physical chemistry autoignites)
(1) Utilize the multi-level pumping mechanical lapping sewage (include the structure ring key in HO2 water molecule) Physical application? .
(2) Classify different sewage, contain such as; Waste water of life, heavy metal waste water, chemical waste water, other industry abolish
Water (include the structure ring key in HO2 water molecule) Study and endure catalyst assistant of rice in special project.
(3) Utilize the above 1 to 2 o'clock, the idea cooperates with and studies and plans calculating (the treatment technology of reaction that physical chemistry autoignite) And like time; Make all trades and professions sewage not have sewages and mud two big problems to change? .
(4) Because the pumping machinery follows and still grinds V Visualization, do not need huge land, building sewage pool groove and license personnel of professional technician of sewage disposal.
(5) Because (special project is studied and dealt with) So endure catalyst assistant of rice, allocate in accordance with different classifications, and make the sewage regenerate, the application technology of sludge disposal produces and encloses the products, for instance; Organic mineral fat and soil, poisonous chemical element oxidize and trace reduce, boil, dissolve with much money.

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