CN106966548A - The method that a kind of waste water of utilization emission compliance produces China grass degumming water - Google Patents
The method that a kind of waste water of utilization emission compliance produces China grass degumming water Download PDFInfo
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- CN106966548A CN106966548A CN201710278392.1A CN201710278392A CN106966548A CN 106966548 A CN106966548 A CN 106966548A CN 201710278392 A CN201710278392 A CN 201710278392A CN 106966548 A CN106966548 A CN 106966548A
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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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- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
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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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/32—Hydrocarbons, e.g. oil
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/78—Details relating to ozone treatment devices
- C02F2201/784—Diffusers or nozzles for ozonation
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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
- C02F2209/23—O3
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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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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/023—Reactive oxygen species, singlet oxygen, OH radical
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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
- C02F3/10—Packings; Fillings; Grids
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- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention belongs to technical field of sewage, the method that a kind of waste water of utilization emission compliance produces China grass degumming water is disclosed, for solving the problems, such as that the outer draining (mark water) of existing factory governance for reaching standard can not meet the water quality requirement of China grass degumming water.The present invention comprises the following steps：1) mark water is delivered to flocculation sedimentation tank, and aluminium polychloride is added into flocculation sedimentation tank by chemicals feeder；2) by by step 1) water after processing is delivered in hydrolysis acidification pool, the hydrolysis acidification pool and is hung with combined stuffing；3) by by step 2) water after processing is delivered to oxidation pond, and the oxidation pond is equipped with ozone generator, and the ozone of the ozone generator production is sprayed into oxidation pond with after water mixing together with；4) by by step 3) processing after water be delivered to filtering ponds, the bottom of the filtering ponds is provided with stainless steel brackets and backwash shower nozzle, the filtering ponds of the stainless steel brackets upper end and is disposed with quartz sand layer, carbon stratum nucleare and boulder bed from top to bottom.
Description
Technical field
The invention belongs to technical field of sewage, and in particular to a kind of waste water production China grass degumming of utilization emission compliance
The method of water.
Background technology
Ramie is commonly called as " China grass ", main product on Sichuan Province China, Hunan and other places；Foreign countries do not have without ramie, therefore foreign countries yet
There is China grass degumming enterprise.China grass degumming produces degummed ramie, and supply is spinned cotton and woven cloth, and is the highly important link of bast industry.Due to
China grass degumming has water consumption greatly, and one ton of degummed ramie of production needs 380-400 cubic metres of water consumption, belongs to highly water intensive industry, uses
Water anxiety is also the universal problems faced of comprehensive bast industry.Linen textile produces " splendidness " period, and once there were more than 400 families fiber crops in the whole nation
Enterprise is spun, was gradually closed down later, to 20 Yu Jia bast fibre spinnings enterprises are only remained at present, to find out its cause, limited or controlled by degumming output
It is one of the main reasons to manage sewage ineffective etc..Exemplified by Dazhu County by taking " township of national ramie " as an example, once there are 27 bast fibre spinning enterprises
Industry, but because of water shortage or pollution treatment problem, 25 have been closed down, 2 are only remained at present.The identity such as Hunan, Anhui also have similar feelings
Condition.
Current China grass degumming water has reached the standard [country of discharge after sewage disposal system《Integrated wastewater discharge mark
It is accurate》(GB8978-1996) first discharge standard], the sewage of the standard discharge after improvement referred to as (mark water) design parameter is as follows
Table：
But the water quality that China grass degumming production needs is reclaimed water (GB18918-2002) above standard, specific requirement is such as
Under：
Contrasted and found by two above form, the outer draining (mark water) of current factory governance for reaching standard can not meet ramie
The water quality requirement of degumming water.Therefore, the outer draining of governance for reaching standard of current factory is carried out into second to administer, reaches and meet ramie
The water quality that degumming needs, is used for degumming production cycle.It is the problem of bast fibre spinning enterprise is in the urgent need to address.
The content of the invention
Outer draining (mark water) of the present invention in order to solve existing factory governance for reaching standard can not meet the water of China grass degumming water
Matter requirement problem, and the method that the waste water for providing a kind of utilization emission compliance produces China grass degumming water, can have been controlled factory
Reason outer draining (mark water) up to standard carries out after-treatment, so as to reach the water quality requirement that the de- production of ramie needs, on the one hand carries out
Recycle and reach water-saving purpose, on the other hand decrease the discharge of pollutant.
To solve technical problem, the technical solution adopted in the present invention is：
The method that a kind of waste water of utilization emission compliance produces China grass degumming water, it is characterised in that comprise the following steps：
1) mark water is delivered to flocculation sedimentation tank, and aluminium polychloride is added into flocculation sedimentation tank by chemicals feeder；
2) by by step 1) water after processing is delivered to and is hung with combination in hydrolysis acidification pool, the hydrolysis acidification pool and fills out
Material；
3) by by step 2) processing after water be delivered to oxidation pond, the oxidation pond is equipped with ozone generator, described
The ozone that ozone generator is sent is sprayed into oxidation pond together with after water mixing；
4) by by step 3) processing after water be delivered to filtering ponds, the bottom of the filtering ponds is provided with stainless steel brackets
With backwash shower nozzle, be disposed with from top to bottom in the filtering ponds of the stainless steel brackets upper end quartz sand layer, carbon stratum nucleare and
Boulder bed, the water after filtering ponds are filtered is produced for China grass degumming.
Described mark water is that discharge reaches that the water or described mark water of (GB8978-1996) requirement reach for discharge
(GB8978-1996) water and the mixing water of river required.
Wherein when mark water be discharge reach (GB8978-1996) requirement water and river mixing water when, river exists
Mass ratio in mixing water is 40%.
The addition of the aluminium polychloride is 0.05-0.1 g/l.
The flocculation sedimentation tank is also equipped with the sludge pump for sediment to be extracted out.
The ozone that the ozone generator is sent is passed through after oxygen and is delivered to oxidation together again after blender is mixed
Chi Zhong.
The blender includes the ozone reaction tank connected with ozone generator, and the ozone reaction tank connects through admission line
Water-gas mixer is connected with, the water-gas mixer is also communicated with inlet channel, and the upper end of the water-gas mixer is provided with stirring
Motor, the output shaft of the stirring motor is connected with the agitating shaft stretched into water-gas mixer, the periphery connection of the agitating shaft
There is the stirring vane for the ozone in ozone reaction tank to be incorporated in water；The outlet of the lower end of the water-gas mixer has
Stainless steel water tank, the delivery port of the stainless steel water tank has nature oxygen retort through pipeline communication, and the natural oxygen retort connects
The oxygen increasing pump for being passed through oxygen into natural oxygen retort is connected with, the outlet of the natural oxygen retort is connected through outlet conduit
There are multiple aeration heads, each aeration head is arranged in oxidation pond.
The stirring vane spiral periphery for being distributed in agitating shaft, and stirring vane downward spiral is distributed in
The periphery of agitating shaft.
Some through holes are offered on the stirring vane, each through hole is inclined in different directions to be opened in paddle
On piece.
The control valve that control ozone reaction tank is connected with water-gas mixer is communicated with the admission line, and it is described
Gas meter is connected with admission line.
Oxygen concentration analyzer, the oxygen increasing pump are provided with pipeline between the stainless steel water tank and natural oxygen retort
Control valve is provided between natural oxygen retort.
By step 4) in filter after water be delivered to device for ultrafiltration membrane and filtered using film.
Compared with prior art, the invention has the advantages that：
The method that the waste water for the utilization emission compliance that the present invention is provided produces China grass degumming water, using at existing sewage
On the basis of reason system, China grass degumming sewage is carried out two by flocculation sedimentation tank, hydrolysis acidification pool, oxidation pond and filtering ponds
Secondary advanced treating, by being found to the research of degumming sewage, in degumming sewage pigment it is main it is original in this quality contained by ramie and
It is difficult to the macromolecular carbohydrate (such as aromatic hydrocarbons) degraded, peculiar smell is in addition to from ammonia, and most of is production in scouring processes
Raw unrighted acid (amine).Therefore the present invention can be quickly converted to activity very strong free radical-super oxygen base using ozone
O2-, super oxygen base has very strong oxidative decomposition capacity, unrighted acid that can be in exhaustive oxidation mark water, so as to eliminate peculiar smell；
Ozone has the pi bond of a delocalization simultaneously, and unstable at normal temperatures, because of structural change after fracture, the absorbing state to light has
Change therewith, reached the effect decolourized and bleached.After processing by the present invention, mark water process can be reached ramie and taken off
The requirement of glue water, on the one hand can the recycling of China grass degumming sewage reach water-saving purpose, on the other hand reduce dirty
Contaminate the discharge of thing.
By taking this enterprise as an example, production capacity is to produce 2500 tons of degummed ramie, water consumption 90-100 ten thousand steres, because water resource is tight per year
, actual production only has 1000 tons/year or so.After the present invention is to the processing of China grass degumming sewage secondary, it can increase every year
Plus 1200 tons of yield, increase by 26,000,000 yuan of income from sales, more than 2,600,000 yuan of increase profit, tax.For comprehensive bast fibre spinning enterprise and
The big enterprise of other water consumption, plays demonstration and driving role.
This enterprise to 60% mark water carry out reuse, the annual ten thousand stere of saving water resource 36, be available for downstream agricultural irrigation and
Breeding water.The discharge of China grass degumming sewage is reduced simultaneously, COD can be reduced every year and discharges 32 tons, reduces suspension discharge 12
Ton, reduce ammonia, nitrogen discharged more than 6 tons so that beneficial to soil, the utilization of water resource.
Ozone and water are entered water-gas mixer by the present invention according to a certain percentage by blender, are entered not after being sufficiently stirred for
Become rusty reinforced plastic water container, and the effect one of wherein ozone reactor is storage ozone, and two are gated by the gas meter and control valve of supporting connection
System enters the concentration of water-gas mixer；Then concentration is automatically analyzed by oxygen concentration analyzer, according to dirty in the sewage determined
Contaminate thing index and determine nature oxygen incrementss, be then passed into together in oxidation pond again.Wherein ozone has three oxygen atoms, has
Strong oxidizing property；Natural oxygen has two oxygen atoms, so as to provide necessary condition for the growth and breeding of aerobic microbiological, finally reaches
To the purpose of the dirty water decontamination handles.
The technological design of the present invention first carries out flocculation sedimentation tank, hydrolysis acidification pool, and sewage then is passed into oxidation pond again
In, the growth and breeding of microorganism of the absorption in combined stuffing in hydrolysis acidification pool are on the one hand ensure that, it is on the other hand logical
Pigment and peculiar smell in the pond of part can be eliminated to reduce ozone in oxidation pond by crossing after flocculation sedimentation tank and hydrolysis acidification pool
Consumption.
And the ozone of the present invention and the consumption of oxygen are provided according to specific sewage, so that optimal reaching
While wastewater treatment efficiency, further the consumption of reduction ozone and oxygen, economizes on resources.
Brief description of the drawings
Fig. 1 is the FB(flow block) of one embodiment of the invention；
Fig. 2 is the structural representation of the blender of the present invention；
Marked in figure：1st, ozone generator, 2, ozone reaction tank, 3, admission line, 4, water-gas mixer, 5, water inlet pipe
Road, 6, stirring motor, 7, agitating shaft, 8, stirring vane, 9, stainless steel water tank, 10, oxygen concentration analyzer, 11, natural oxygen reaction
Tank, 12, oxygen increasing pump, 13, aeration head, 14, control valve, 15, gas meter.
Embodiment
With reference to embodiment, the invention will be further described, and described embodiment is only a part of the invention
Embodiment, is not whole embodiments.Based on the embodiment in the present invention, one of ordinary skill in the art is not making
Other embodiments used obtained under the premise of creative work, belong to protection scope of the present invention.
The method that the waste water of the utilization emission compliance provided with reference to accompanying drawing, the present invention produces China grass degumming water, including it is following
Step：
1) mark water is delivered to flocculation sedimentation tank, and aluminium polychloride is added into flocculation sedimentation tank by chemicals feeder；It is poly-
The aluminium molecular surface tension force absorption pollutant in aluminum oxide is closed, flocculation sediment is reclaimed to bottom of pond, and the supernatant of flocculation basin enters
Enter in hydrolysis oxidation pond.
Wherein, polymer alumina is added in flocculation sedimentation tank by chemicals feeder, and the sediment being deposited in flocculation basin can
Subsequent treatment is carried out by sludge retracting device (such as sludge pump) extract out；Chemicals feeder and sludge retracting device belong to existing
There are technical products, those skilled in the art can be appreciated and understood that, will not be repeated here.
2) by by step 1) water after processing is delivered to and is hung with combination in hydrolysis acidification pool, the hydrolysis acidification pool and fills out
Material；Filler has the environment of absorption microbial growth, using microorganism decomposition organic pollutants, so as to will be difficult to drop
The macromolecular substances of solution, are degraded to tractable lower-molecular substance, are that ozone processing is prepared.
3) by by step 2) processing after water be delivered to oxidation pond, the oxidation pond is equipped with ozone generator, described
The ozone that ozone generator is sent is sprayed into oxidation pond with after water mixing together with；Handle the water quality of rear oxidation pond outlet without
Peculiar smell, colourity is also (GB18918-2002) better than middle water quality standard.
4) by by step 3) processing after water be delivered to filtering ponds, the bottom of the filtering ponds is provided with stainless steel brackets
Quartz sand layer, carbon stratum nucleare are disposed with from top to bottom (i.e. with backwashing in shower nozzle, the filtering ponds of the stainless steel brackets upper end
Sulphur slag after coal burning) and boulder bed, the water after filtering ponds are filtered is for China grass degumming production.Utilize carbon core concrete dynamic modulus
Organic matter, peculiar smell in absorption mark water, quartz sand dam the suspensions such as sludge.
The method that the waste water for the utilization emission compliance that the present invention is provided produces China grass degumming water, using at existing sewage
On the basis of reason system, China grass degumming sewage is carried out two by flocculation sedimentation tank, hydrolysis acidification pool, oxidation pond and filtering ponds
Secondary advanced treating, by being found to the research of degumming sewage, in degumming sewage pigment it is main it is original in this quality contained by ramie and
It is difficult to the macromolecular carbohydrate (such as aromatic hydrocarbons) degraded, peculiar smell is in addition to from ammonia, and most of is production in scouring processes
Raw unrighted acid (amine).Therefore the present invention can be quickly converted to activity very strong free radical-super oxygen base using ozone
O2-, super oxygen base has very strong oxidative decomposition capacity, unrighted acid that can be in exhaustive oxidation mark water, so as to eliminate peculiar smell；
Ozone has the pi bond of a delocalization simultaneously, and unstable at normal temperatures, because of structural change after fracture, the absorbing state to light has
Change therewith, reached the effect decolourized and bleached.After processing by the present invention, mark water process can be reached ramie and taken off
The requirement of glue water, on the one hand can the recycling of China grass degumming sewage reach water-saving purpose, on the other hand reduce dirty
Contaminate the discharge of thing.
By taking this enterprise as an example, production capacity is to produce 2500 tons of degummed ramie, water consumption 90-100 ten thousand steres, because water resource is tight per year
, actual production only has 1000 tons/year or so.After the present invention is to the processing of China grass degumming sewage secondary, it can increase every year
Plus 1200 tons of yield, increase by 26,000,000 yuan of income from sales, more than 2,600,000 yuan of increase profit, tax.For comprehensive bast fibre spinning enterprise and
The big enterprise of other water consumption, plays demonstration and driving role.
This enterprise to 60% mark water carry out reuse, the annual ten thousand stere of saving water resource 36, be available for downstream agricultural irrigation and
Breeding water.The discharge of China grass degumming sewage is reduced simultaneously, often
Year can reduce COD discharge 32 tons, reduce suspension discharge 12 tons, reduce ammonia, nitrogen discharged more than 6 tons, so as to be beneficial to
The utilization in soil, water resource.
The mark water of the present invention is that discharge reaches that the water or described mark water of (GB8978-1996) requirement reach for discharge
(GB8978-1996) water and the mixing water of river required；Wherein when mark water is the water that discharge reaches (GB8978-1996) requirement
When with the mixing water of river, mass ratio of the river in mixing water is 40%.
The addition of the aluminium polychloride is 0.05-0.1 g/l.
The present invention carries out oxidation processes again after hydrolysis acidification pool, can reduce the usage amount of ozone.After hydrolysis acidification
The organic matters such as COD, BOD, SS are largely reduced, so that requirement when reducing ozone processing to dissolved oxygen, reduces disappearing for ozone
Consumption；So that present invention operation is more economical, safety.
The ozone that the ozone generator is sent is passed through after oxygen and is delivered to oxidation together again after blender is mixed
Chi Zhong.Because ozone can not be stored and need formed in-situ, onsite application.Therefore the present invention first by ozone and is mixed by blender
" water oxygen " increase stability is made after closing very much, the blowing pressure is in more than 10MPa.
The blender is including (wherein ozone generator belongs to prior art products, the skill of this area with ozone generator 1
Art personnel can be appreciated and understood that, will not be repeated here) the ozone reaction tank 2 (ozone reaction tank be used for store ozone) of connection,
The ozone reaction tank 2 is communicated with water-gas mixer 4 through admission line 3, and the water-gas mixer 4 is also communicated with inlet channel 5
(inlet channel 5 of the invention is also equipped with controlling switch and water meter, be easy to control inflow), the water-gas mixer 4 it is upper
End is provided with stirring motor 6, and the output shaft of the stirring motor 6 is connected with the agitating shaft 7 stretched into water-gas mixer 4, described
The periphery of agitating shaft 7 is connected with the stirring vane 8 for the ozone in ozone reaction tank to be incorporated in water；The water-gas mixer
The outlet of 4 lower end has stainless steel water tank 9, and the delivery port of the stainless steel water tank 9 has the reaction of nature oxygen through pipeline communication
Tank 11, the natural oxygen retort 11 is communicated with the oxygen increasing pump 12 for being passed through oxygen into natural oxygen retort 11, it is described from
The outlet of right oxygen retort 12 (as a kind of preferred mode of the present invention, is also provided with being equipped with through outlet conduit on outlet conduit
Valve) multiple aeration heads are communicated with, each aeration head is arranged in oxidation pond.
As a kind of preferred mode of the present invention, the spiral periphery for being distributed in agitating shaft 7 of stirring vane 8,
And the periphery for being distributed in agitating shaft 7 of the downward spiral of stirring vane 8, so that after ozone is mixed with water, in the work of vortex
Under, enter in stainless steel water tank 9.
Some through holes are offered on the amount incorporated in water of ozone, the stirring vane 7 in order to further improve, each leads to
Hole 7 is inclined in different directions to be opened on stirring vane, and ozone can be crushed by the effect of stirring vane and through hole
Group so that the smaller bubble of ozone formation is dissolved into water.
In order to control to be communicated with control ozone reaction tank 2 and water-gas mixer on the inlet of ozone, the admission line 3
4 control valves 14 whether connected, and gas meter 15 is connected with the admission line 3.
Oxygen concentration analyzer 10 is provided with pipeline between the stainless steel water tank 9 of the present invention and natural oxygen retort 11
(oxygen concentration analyzer belongs to prior art products, will not be repeated here), between the oxygen increasing pump 12 and natural oxygen retort 11
It is provided with control valve.
Ozone and water are entered water-gas mixer by the present invention according to a certain percentage by blender, are entered not after being sufficiently stirred for
Become rusty reinforced plastic water container, and the effect one of wherein ozone reactor is storage ozone, and two are gated by the gas meter and control valve of supporting connection
System enters the concentration of water-gas mixer；Then concentration is automatically analyzed by oxygen concentration analyzer, according to dirty in the sewage determined
Contaminate thing index and determine nature oxygen incrementss, be then passed into together in oxidation pond again.Wherein ozone has three oxygen atoms, has
Strong oxidizing property；Natural oxygen has two oxygen atoms, so as to provide necessary condition for the growth and breeding of aerobic microbiological, finally reaches
To the purpose of the dirty water decontamination handles.
The wherein consumption of ozone, natural oxygen in sewage disposal is as shown in the table：
By step 4) in filter after water be delivered to device for ultrafiltration membrane and filtered using film.The present invention is super by setting
In filter membrane equipment, wherein device for ultrafiltration membrane the fenestra of filter membrane be 0.02 micron, by step 4) filtering after water pass through supercharging
Pump is pressurized, using the pressure differential of the both sides of film as driving force, the hydrone compound (salt such as calcium, magnesium of screening trap water residual
Class), it is that water quality softens completely, meets the special procedure industrial waters such as degumming stain oil and boiler.At present for bast fibre spinning enterprise, degumming
" pure water " for the outsourcing that stain oil process is used, boiler water is the running water after being handled with Na-ion exchanger, and cost is very high.
The present invention is handled using device for ultrafiltration membrane, disclosure satisfy that the special procedure industrial water demands such as degumming stain oil and boiler, together
When reduce the cost of production.
Claims (10)
1. the method that a kind of waste water of utilization emission compliance produces China grass degumming water, it is characterised in that comprise the following steps：
1) mark water is delivered to flocculation sedimentation tank, and aluminium polychloride is added into flocculation sedimentation tank by chemicals feeder；
2) by by step 1) water after processing is delivered in hydrolysis acidification pool, the hydrolysis acidification pool and is hung with combined stuffing；
3) by by step 2) processing after water be delivered to oxidation pond, the oxidation pond is equipped with ozone generator, the ozone
The ozone that generator is sent is sprayed into oxidation pond together with after water mixing；
4) by by step 3) water after processing is delivered to filtering ponds, and the bottom of the filtering ponds is provided with stainless steel brackets and anti-
Quartz sand layer, carbon stratum nucleare and cobble are disposed with from top to bottom in Flushing nozzle, the filtering ponds of the stainless steel brackets upper end
Layer, the water after filtering ponds are filtered is produced for China grass degumming.
2. the method that the waste water of utilization emission compliance according to claim 1 produces China grass degumming water, it is characterised in that institute
The mark water stated is that discharge reaches that the water or described mark water of GB8978-1996 requirements are that discharge reaches GB8978-1996 requirements
Water and river mixing water.
3. the method that the waste water of utilization emission compliance according to claim 2 produces China grass degumming water, it is characterised in that its
In when mark water for discharge reach GB8978-1996 requirement water and river mixing water when, matter of the river in mixing water
Amount is than being 40%.
4. the method that the waste water of utilization emission compliance according to claim 1 produces China grass degumming water, it is characterised in that institute
The addition for stating aluminium polychloride is 0.05-0.1 g/l.
5. the method that the waste water of utilization emission compliance according to claim 1 produces China grass degumming water, it is characterised in that institute
State flocculation sedimentation tank and be also equipped with sludge pump for sediment to be extracted out.
6. the method that the waste water of utilization emission compliance according to claim 1 produces China grass degumming water, it is characterised in that institute
State the ozone that ozone generator sends and be passed through again after blender is mixed after oxygen and is delivered to together in oxidation pond.
7. the method that the waste water of utilization emission compliance according to claim 6 produces China grass degumming water, it is characterised in that institute
The ozone reaction tank that blender includes connecting with ozone generator is stated, the ozone reaction tank is communicated with aqueous vapor through admission line and mixed
Clutch, the water-gas mixer is also communicated with inlet channel, and the upper end of the water-gas mixer is provided with stirring motor, described to stir
The output shaft for mixing motor is connected with the agitating shaft stretched into water-gas mixer, and the periphery of the agitating shaft, which is connected with, to be used for ozone
The stirring vane that ozone in retort is incorporated in water；The outlet of the lower end of the water-gas mixer has stainless steel water tank,
The delivery port of the stainless steel water tank has nature oxygen retort through pipeline communication, and the natural oxygen retort is communicated with for certainly
The oxygen increasing pump of oxygen is passed through in right oxygen retort, the outlet of the natural oxygen retort is communicated with multiple aerations through outlet conduit
Head, each aeration head is arranged in oxidation pond.
8. the method that the waste water of utilization emission compliance according to claim 7 produces China grass degumming water, it is characterised in that institute
State and the control valve that control ozone reaction tank is connected with water-gas mixer is communicated with admission line, and on the admission line
It is connected with gas meter.
9. the method that the waste water of the utilization emission compliance according to claim 7 or 8 produces China grass degumming water, its feature exists
Be provided with oxygen concentration analyzer on pipeline between, the stainless steel water tank and natural oxygen retort, the oxygen increasing pump with from
Control valve is provided between right oxygen retort.
10. the method that the waste water of utilization emission compliance according to claim 1 produces China grass degumming water, it is characterised in that
By step 4) in filter after water be delivered to device for ultrafiltration membrane and filtered using film.
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| CN107352747A (en) * | 2017-08-11 | 2017-11-17 | 四川奥恒环保科技有限公司 | Catering sewage treatment device |
| CN110668555A (en) * | 2019-11-04 | 2020-01-10 | 苏州市世业环保科技有限公司 | Novel ozone oxidation device |
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| CN104370410A (en) * | 2014-09-25 | 2015-02-25 | 西安华陆环保设备有限公司 | Ramie degumming wastewater treatment method |
| CN104671604A (en) * | 2015-02-03 | 2015-06-03 | 四川玉竹麻业有限公司 | Process for treating ramie degumming wastewater |
| CN205556383U (en) * | 2016-02-03 | 2016-09-07 | 广州新滔水质净化有限公司 | Advanced oxidation advanced treatment difficult degradation industrial waste water system |
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| CN103723851A (en) * | 2013-12-04 | 2014-04-16 | 刘军亮 | Dual deodorization method for sewage based on acidification by mixed acids and oxidation by ozone |
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| CN104671604A (en) * | 2015-02-03 | 2015-06-03 | 四川玉竹麻业有限公司 | Process for treating ramie degumming wastewater |
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