CN109437494A - A kind of processing unit and method of water-jet loom sewage - Google Patents
A kind of processing unit and method of water-jet loom sewage Download PDFInfo
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- CN109437494A CN109437494A CN201811598805.5A CN201811598805A CN109437494A CN 109437494 A CN109437494 A CN 109437494A CN 201811598805 A CN201811598805 A CN 201811598805A CN 109437494 A CN109437494 A CN 109437494A
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- 239000010865 sewage Substances 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000012545 processing Methods 0.000 title claims abstract description 20
- 239000010802 sludge Substances 0.000 claims abstract description 38
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 25
- 239000002351 wastewater Substances 0.000 claims abstract description 18
- 238000005188 flotation Methods 0.000 claims abstract description 17
- 230000003750 conditioning effect Effects 0.000 claims abstract description 16
- 230000001954 sterilising effect Effects 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 238000003672 processing method Methods 0.000 claims description 10
- 239000003344 environmental pollutant Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 231100000719 pollutant Toxicity 0.000 claims description 8
- 239000000356 contaminant Substances 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 7
- 238000010992 reflux Methods 0.000 claims description 7
- 241000894006 Bacteria Species 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 5
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims description 5
- 239000011574 phosphorus Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000002957 persistent organic pollutant Substances 0.000 claims description 4
- 230000001376 precipitating effect Effects 0.000 claims description 4
- 241000700605 Viruses Species 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 229920002521 macromolecule Polymers 0.000 claims description 3
- 239000013618 particulate matter Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 150000003384 small molecules Chemical class 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000002562 thickening agent Substances 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000005446 dissolved organic matter Substances 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 206010002660 Anoxia Diseases 0.000 description 1
- 241000976983 Anoxia Species 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000004176 ammonification Methods 0.000 description 1
- 230000007953 anoxia Effects 0.000 description 1
- 230000001651 autotrophic effect Effects 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 244000005706 microflora Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- 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
-
- 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
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
-
- 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
- C02F2303/04—Disinfection
-
- 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
- C02F3/30—Aerobic and anaerobic processes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses the processing units and method of a kind of water-jet loom sewage, wherein device includes flowing to grid, sump, conditioning tank, flotation tank, anaerobic fixed film reactor, A/O biochemistry pool, secondary settling tank, filter tank, sterilization pool and the middle pond set gradually along sewage treatment, the secondary settling tank is connected to the anaerobic fixed film reactor, A/O biochemistry pool through mud return line, the secondary settling tank is connected to sludge concentration tank through sludge pipe, and the flotation tank is connected to the sludge concentration tank through scum pipe.The processing unit and method of water-jet loom sewage provided by the invention solve the problems, such as that water-jet loom waste water is intractable, processed waste water are made to reach discharge standard.
Description
Technical field:
The present invention relates to technical field of waste water processing, more particularly to a kind of processing unit of water-jet loom sewage
And method.
Background technique:
Water-jet loom belongs to textile industry, is different from traditional textile, and water-jet loom carries out spinning control by high pressure water, spins
During water spray, included pollutant itself is washed away silk by water flow, in addition oily matter existing for machine itself forms water spray
Loom sewage.
An important factor for a large amount of discharges of industrial zone water-jet loom sewage are not only the production of puzzlement enterprise and development,
As the problem of local government manager, can large amount of sewage stablize processing and qualified discharge, become restriction enterprise and flourish
With a great problem of regional environmental protection exploitation.
Water-jet loom collection processing in industrial zone can promote investment environment, optimized development environment, improve the ecological environment, and promote
Scale, upper horizontal, upper benefit, promote economical, society, harmonious development on garden.
Summary of the invention:
The purpose of the present invention is to the deficiencies of the prior art, and provide a kind of water-jet loom sewage processing unit and
Method, the effective solution intractable problem of water-jet loom sewage, can be thorough by the organic pollutant in water-jet loom sewage
Bottom degradation, and the ammonia nitrogen in waste water is completely removed, the chroma in waste water handled is lower than 20 times, and concentration of suspension is low, water outlet
It is limpid, reach discharge standard.And the sludge output of entire technique is small, effectively reduces investment and the running cost of enterprise's Treatment of Sludge
With system has many advantages, such as that power consumption is low, operating cost is low, operational administrative is simple, stable.
Based on the above issues, technical solution provided by the invention first is that:
A kind of processing unit of water-jet loom sewage comprising along sewage treatment flow direction set gradually grid, sump,
Conditioning tank, flotation tank, anaerobic fixed film reactor, A/O biochemistry pool, secondary settling tank, filter tank, sterilization pool and middle pond, the secondary settling tank is through dirt
Mud return pipe is connected to the anaerobic fixed film reactor, A/O biochemistry pool, and the secondary settling tank is connected to sludge concentration tank through sludge pipe, institute
It states flotation tank and is connected to the sludge concentration tank through scum pipe.
In some embodiments wherein, the sterilization pool is connected to recoil wash pool through drainpipe.
Based on the above issues, provided by the invention another solution is that
A kind of processing method of water-jet loom sewage, comprising the following steps:
(1) water-jet loom sewage is collected through pipe network, laggard by fine fack removal fibrous matter, suspended matter, solid sundries
Enter sump, is then pumped into conditioning tank regulating water quality water；
(2) through the conditioning tank treated technique waste water is pumped into flotation tank, oil slick and small suspended matter are removed；
(3) through the flotation tank, treated that technique waste water enters anaerobic fixed film reactor, and macromolecule contaminant in sewage is turned
Become small molecule contaminants, pollution goods difficult to degrade is changed into degradable pollutant；
(4) anaerobic fixed film reactor treated sewage overflow increases nitrification liquid reflux and sludge reflux to A/O biochemistry pool
Biodegrade is carried out, organic pollutant and denitrogenation dephosphorizing in sewage are removed；
(5) the A/O biochemistry pool treated technique waste water gravity flow enters secondary settling tank and carries out mud-water separation；
(6) secondary settling tank treated clear water enters filter tank, retains the suspended material and particulate matter in sewage；
(7) the water outlet gravity flow in the filter tank enters sterilization pool, and the bacterium contained in sewage and virus are killed in disinfection；
(8) water outlet of the sterilization pool is discharged into middle pond, qualified discharge or Treated sewage reusing.
Influent quality before entering the conditioning tank in some embodiments wherein, in the step (1) is to change
It learns oxygen demand concentration and is lower than 3mg/L lower than 30mg/L, total phosphorus concentration lower than 500mg/L, ammonia nitrogen concentration.
In some embodiments wherein, sewage temperature control is 35 in anaerobic fixed film reactor described in the step (3)
~38 DEG C, pH is controlled 7.0~7.5.
In some embodiments wherein, the A/O biological tank in the step (4) includes anoxic pond and aerobic tank, institute
Waste water Dissolved Oxygen concentration Control in anoxic pond is stated to control in 0.2~0.5mg/L, pH 7.0~7.5；Waste water in the aerobic tank
Dissolved Oxygen concentration Control is controlled in 2~4mg/L, pH 7.0~7.5.
In some embodiments wherein, be equipped with diving mixer in the anoxic pond, sewage with come from it is described aerobic
The nitrification liquid and secondary settling tank sludge of pond end mix, and mixed liquid recycle ratio is 150%~200%, and return sludge ratio is 50%~
150%.
In some embodiments wherein, the precipitating sludge of secondary settling tank described in the step (5) is partly refluxed to institute
Anaerobic fixed film reactor, A/O biochemistry pool are stated, the excess sludge of the secondary settling tank is discharged into sludge concentration tank.
In some embodiments wherein, filter tank described in the step (6) is double-valve filter pool, the rate of filtration 2.0
~3.0m/h.
In some embodiments wherein, sterilization pool described in the step (7) is ultraviolet disinfection slot, and time of contact is
1~3min.
Compared with prior art, the invention has the advantages that
Using technical solution of the present invention, for water-jet loom sewage water it is big, suspended matter (SS) concentration is high, oiliness object
Matter content high feature enters conditioning tank after process spent water is first passed through fine fack removal batting, floating material, is promoted to flotation tank
(flotation tank does not add medicament) removes most of oily matter, small suspended matter, then successively raw via anaerobic fixed film reactor, A/O
Enter clear water reserviors discharge or reuse after changing the stepwise disposal of pond, secondary settling tank, double-valve filter pool and ultraviolet disinfection, the present invention can incite somebody to action
COD concentration in water-jet loom sewage from 500mg/L is reduced to 50mg/L hereinafter, COD removal rate is 90% or more, will be in sewage
Total phosphorus concentration from 3mg/L be reduced to 0.5mg/L hereinafter, total 80% or more tp removal rate, sewage SS concentration is dropped from 300mg/L
Down to 10mg/L, SS removal rate reaches 95% or more, while the coloration in sewage can be reduced within 20 times, and not secondary
Pollution, the intractable problem of effective solution water-jet loom sewage；Water outlet can achieve " urban wastewater treatment firm pollutant emission
Standard " A standard in (GB18918-2002) primary standard；And the sludge output of entire technique is small, processing water is big, impact resistance
Can be strong, efficiently solve the problems, such as that a large amount of water-jet loom sewage in industrial park are intractable, and reduce Treatment of Sludge investment and
Operating cost has many advantages, such as that power consumption is low, operating cost is low, operational administrative is simple, stable.
Detailed description of the invention:
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, drawings in the following description are only some embodiments of the invention, skill common for this field
For art personnel, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of process flow chart of the processing method of water-jet loom sewage of the invention.
Specific embodiment:
Above scheme is described further below in conjunction with specific embodiment.It should be understood that these embodiments are for illustrating
The present invention and be not limited to limit the scope of the invention.Implementation condition used in the examples can be done according to the condition of specific producer
Further adjustment, the implementation condition being not specified is usually the condition in routine experiment.
Referring to Fig. 1, it is the structural schematic diagram of the embodiment of the present invention, a kind of processing unit of water-jet loom sewage is provided,
Including flowing to the grid, sump, flotation tank, anaerobic fixed film reactor, the A/O biochemistry pool, filter tank, disinfection that set gradually along sewage treatment
Pond and middle pond, secondary settling tank are respectively connected to anaerobic fixed film reactor, A/O biochemistry pool through mud return line, and secondary settling tank is also through sludge pipe
It is connected to sludge concentration tank, flotation tank is connected to sludge concentration tank through scum pipe.Wherein filter tank is double-valve filter pool, and sterilization pool is purple
Outer disinfection trough.The sludge of sludge concentration tank is transported outward after plate and frame filter press is dehydrated, the grid slag outward transport of grid and conditioning tank；Middle pond
Effluent reuse or discharge.
For implementation result further of the invention, sterilization pool is connected to recoil wash pool through drainpipe, for filter tank
Backwash.
Using the processing unit of above-mentioned water-jet loom sewage, a kind of processing side of water-jet loom sewage is also provided in this example
Method, comprising the following steps:
(1) water-jet loom sewage is collected through pipe network, laggard by fine fack removal fibrous matter, suspended matter, solid sundries
Enter sump, be then pumped into conditioning tank regulating water quality water, the influent quality into conditioning tank is COD concentration
500mg/L, ammonia nitrogen concentration 30mg/L, total phosphorus concentration 3mg/L, conditioning tank use aeration stirring, mix the sewage of different quality
Uniformly, impact of the different quality to processing system is reduced, sewage pH is controlled to adjust, after being suitble to the pH value of sewage in conditioning tank
The required living environment of biology in continuous biochemical system.
(2) through conditioning tank treated technique waste water is pumped into flotation tank, the microbubble that flotation tank generates can be removed efficiently
Suspension grease and small suspended matter reduce influence of the grease to subsequent biochemical system, reduce sundries to follow-up system running equipment
Influence.
(3) through flotation tank, treated that technique waste water enters anaerobic fixed film reactor, and macromolecule contaminant in sewage is changed into
Small molecule contaminants, pollution goods difficult to degrade are changed into degradable pollutant, and sewage temperature control is 35 in anaerobic fixed film reactor
~38 DEG C, pH is controlled 7.0~7.5, it is ensured that efficient operation when microflora can stablize long.
(4) anaerobic fixed film reactor treated sewage overflow is to A/O biochemistry pool, A/O biochemistry pool include leading portion anoxic pond and after
Section aerobic tank adjusts sewage temperature at 35~38 DEG C using steam and piece alkali in leading portion anoxic pond water inlet, pH control 7.0~
7.5, increase nitrification liquid reflux and sludge reflux, to meet under anoxia condition heterotrophic bacteria denitrification to NO3 -Demand, nitrification
Liquid reflux ratio is 150%~200%, and return sludge ratio is 50%~150%；A/O biochemistry pool is good by leading portion anoxic pond and back segment
Oxygen pond is cascaded, and wherein anoxic pond control dissolved oxygen concentration is in 0.2~0.5mg/L, and aerobic tank dissolved oxygen concentration is 2~
4mg/L.Anoxic section heterotroph by sewage suspended contaminant and dissolved organic matter be hydrolyzed to organic acid, have macromolecular
Machine object is decomposed into small organic molecule, and insoluble organic matter is converted to dissolved organic matter, when these productions through anaerobic hydrolysis
When object enters aerobic tank progress Aerobic Process for Treatment, the biodegradability of sewage and the utilization efficiency of oxygen can be improved.In anoxic section, heterotroph
The pollutants such as protein, fat are subjected to ammonification (amino in N or amino acid in organic chain) free ammonia (NH out4 +), it is filling
Under sufficient oxygen supply condition, the nitrification of autotrophic bacterium is by NH3-N(NH4 +) it is oxidized to NO3 -, under anoxic conditions, the anti-nitre of heterotrophic bacteria
Change is acted on NO3 -It is reduced to molecular nitrogen (N2), the ecological circulation of C, N and O are completed, realizes the innoxious and up to standard processing of sewage.
Therefore, after A/O biochemistry pool processing, the organic matter in sewage is largely degraded.After the processing of A/O biochemistry pool
COD of sewage concentration be less than 55mg/L, removal rate be higher than 85%, ammonia nitrogen concentration be less than 8mg/L, removal rate be higher than 75%.
(5) A/O biochemistry pool treated technique waste water gravity flow enters secondary settling tank and carries out mud-water separation, clarified solution in secondary settling tank
Gravity flow enters filter tank, and precipitating sludge is reflowable to anaerobic fixed film reactor replenishment system activated sludge, and simultaneity factor digests some residual
Sludge can be effectively reduced the sludge quantity of sewage disposal system；Precipitating sludge is selectively back to anoxic pond, aerobic tank, adjustment
The activated sludge mobility of A/O biochemistry pool increases the contact area of activated sludge and sewage, greatly improves the life of organic pollutant
Object degradation efficiency.
(6) secondary settling tank treated clear water enters double-valve filter pool, the rate of filtration is 2.0~3.0m/h, is retained in sewage
Suspended material and particulate matter, clarification of water out, effluent COD concentration in 50mg/L hereinafter, COD removal rate is 90% or more, total phosphorus
In 0.5mg/L hereinafter, total 80% or more tp removal rate, the SS concentration in water outlet are lower than 10mg/L, SS removal rate reaches concentration
95% or more, while the coloration in sewage can achieve " urban wastewater treatment firm pollutant emission standard " down within 20 times
(GB18918-2002) the A standard in primary standard；
(7) the water outlet gravity flow in filter tank enters sterilization pool, and the bacterium contained in sewage and virus are killed in disinfection, and sterilization pool uses
Ultraviolet disinfection slot, time of contact are 1~3min；
(8) water outlet of sterilization pool is discharged into middle pond, qualified discharge or Treated sewage reusing.
In this example, the anaerobic fixed film reactor residence time is 6 hours, and the leading portion anoxic pond residence time is 4 small in A/O biochemistry pool
When, the back segment aerobic tank residence time is 20 hours, and secondary settling tank surface loading is 0.7m3/(m2H), the sedimentation time is 3~5 small
When.
The foregoing examples are merely illustrative of the technical concept and features of the invention, its object is to allow the person skilled in the art to be
It cans understand the content of the present invention and implement it accordingly, it is not intended to limit the scope of the present invention.It is all smart according to the present invention
The equivalent transformation or modification that refreshing essence is done, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of processing unit of water-jet loom sewage, it is characterised in that: including along sewage treatment flow direction set gradually grid,
Sump, conditioning tank, flotation tank, anaerobic fixed film reactor, A/O biochemistry pool, secondary settling tank, filter tank, sterilization pool and middle pond, described two
Heavy pond is connected to the anaerobic fixed film reactor, A/O biochemistry pool through mud return line, and it is dense that the secondary settling tank through sludge pipe is connected to sludge
Contracting pond, the flotation tank are connected to the sludge concentration tank through scum pipe.
2. the processing unit of water-jet loom sewage according to claim 1, it is characterised in that: the sterilization pool is through drainpipe
It is connected to recoil wash pool.
3. a kind of processing method of water-jet loom sewage, which comprises the following steps:
(1) water-jet loom sewage is collected through pipe network, enters collection after fine fack removes fibrous matter, suspended matter, solid sundries
Well is then pumped into conditioning tank regulating water quality water；
(2) through the conditioning tank treated technique waste water is pumped into flotation tank, oil slick and small suspended matter are removed；
(3) through the flotation tank, treated that technique waste water enters anaerobic fixed film reactor, and macromolecule contaminant in sewage is changed into
Small molecule contaminants, pollutant difficult to degrade are changed into degradable pollutant；
(4) anaerobic fixed film reactor treated sewage overflow increases nitrification liquid reflux and sludge reflux carries out to A/O biochemistry pool
Biodegrade removes organic pollutant and denitrogenation dephosphorizing in sewage；
(5) the A/O biochemistry pool treated technique waste water gravity flow enters secondary settling tank and carries out mud-water separation；
(6) secondary settling tank treated clear water enters filter tank, retains the suspended material and particulate matter in sewage；
(7) the water outlet gravity flow in the filter tank enters sterilization pool, and the bacterium contained in sewage and virus are killed in disinfection；
(8) water outlet of the sterilization pool is discharged into middle pond, qualified discharge or Treated sewage reusing.
4. the processing method of water-jet loom sewage according to claim 3, it is characterised in that: enter in the step (1)
Influent quality before the conditioning tank is that COD concentration is dense lower than 30mg/L, total phosphorus lower than 500mg/L, ammonia nitrogen concentration
Degree is lower than 3mg/L.
5. the processing method of water-jet loom sewage according to claim 3, it is characterised in that: described in the step (3)
At 35~38 DEG C, pH is controlled 7.0~7.5 for sewage temperature control in anaerobic fixed film reactor.
6. the processing method of water-jet loom sewage according to claim 3, it is characterised in that: the A/O in the step (4)
Biological tank includes anoxic pond and aerobic tank, and waste water Dissolved Oxygen concentration Control is controlled in 0.2~0.5mg/L, pH in the anoxic pond
7.0~7.5；Waste water Dissolved Oxygen concentration Control is controlled in 2~4mg/L, pH 7.0~7.5 in the aerobic tank.
7. the processing method of water-jet loom sewage according to claim 6, it is characterised in that: be equipped in the anoxic pond latent
Water mixer, sewage with from the aerobic tank end nitrification liquid and secondary settling tank sludge mix, mixed liquid recycle ratio 150%
~200%, return sludge ratio is 50%~150%.
8. the processing method of water-jet loom sewage according to claim 3, it is characterised in that: described in the step (5)
The precipitating sludge of secondary settling tank is partly refluxed to the anaerobic fixed film reactor, A/O biochemistry pool, and the excess sludge of the secondary settling tank is discharged into dirt
Mud thickener.
9. the processing method of water-jet loom sewage according to claim 3, it is characterised in that: described in the step (6)
Filter tank is double-valve filter pool, and the rate of filtration is 2.0~3.0m/h.
10. the processing method of water-jet loom sewage according to claim 3, it is characterised in that: described in the step (7)
Sterilization pool is ultraviolet disinfection slot, and time of contact is 1~3min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811598805.5A CN109437494A (en) | 2018-12-26 | 2018-12-26 | A kind of processing unit and method of water-jet loom sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN110028206A (en) * | 2019-05-23 | 2019-07-19 | 泗阳申久家纺面料有限公司 | A kind of processing method of woven fabric waste water |
| CN114988649A (en) * | 2022-06-27 | 2022-09-02 | 盐城市大丰区静源污水处理有限公司 | Treatment system and treatment process for comprehensive sewage of industrial park |
| CN117510000A (en) * | 2024-01-08 | 2024-02-06 | 福建福田纺织印染科技有限公司 | Dyeing and finishing wastewater treatment equipment and treatment method thereof |
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| CN110028206A (en) * | 2019-05-23 | 2019-07-19 | 泗阳申久家纺面料有限公司 | A kind of processing method of woven fabric waste water |
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| CN114988649A (en) * | 2022-06-27 | 2022-09-02 | 盐城市大丰区静源污水处理有限公司 | Treatment system and treatment process for comprehensive sewage of industrial park |
| CN114988649B (en) * | 2022-06-27 | 2023-10-03 | 盐城市大丰区静源污水处理有限公司 | Treatment system and treatment process for comprehensive sewage in industrial park |
| CN117510000A (en) * | 2024-01-08 | 2024-02-06 | 福建福田纺织印染科技有限公司 | Dyeing and finishing wastewater treatment equipment and treatment method thereof |
| CN117510000B (en) * | 2024-01-08 | 2024-03-15 | 福建福田纺织印染科技有限公司 | Dyeing and finishing wastewater treatment equipment and treatment method thereof |
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