CN104355478B - A kind of dyeing and printing sewage processes system - Google Patents
A kind of dyeing and printing sewage processes system Download PDFInfo
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- CN104355478B CN104355478B CN201410541939.9A CN201410541939A CN104355478B CN 104355478 B CN104355478 B CN 104355478B CN 201410541939 A CN201410541939 A CN 201410541939A CN 104355478 B CN104355478 B CN 104355478B
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- printing sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of dyeing and printing sewage and process system, including the collecting pit being sequentially communicated, regulating reservoir, coagulating basin, first sedimentation tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation tank, two-stage coagulation Air-float separator and decolouring pond, regulating reservoir and contact-oxidation pool are equipped with the aerator for blast aeration, coagulating basin is equipped with the coagulant adding set for adding coagulant, and decolouring pond is equipped with the chlorine dioxide adding set for adding chlorine dioxide；Decolouring pond is connected to active carbon filter through pipeline, and active carbon filter has second coagulation Air-float separator through pipeline communication, and second coagulation Air-float separator has tube settler, tube settler to be communicated with inspection pond through pipeline communication, checks that pond is communicated with filtration tank through elevator pump.The dyeing and printing sewage of the present invention processes system, and the COD of sewage concentration after process is between 50 ~ 60mg/L, and between pH6 ~ 9, between colourity 16 ~ 32, the water quality after process can reach printing and dyeing water quality requirement.
Description
Technical field
The present invention relates to sewage disposal technology, be specifically related to a kind of dyeing and printing sewage and process system.
Background technology
Papermaking, dyeing process can produce a large amount of waste water, based on environmental protection and energy-conservation consideration, how cycling utilization of wastewater is always up the emphasis of those skilled in the art's research.
Such as application number be 201320363650.3 patent of invention disclose a kind of sewage disposal system, including sewage, sewage is connected with grid, elevator pump, sedimentation tank, reaction tank, secondary sedimentation tank successively by pipeline, sewage in secondary sedimentation tank is by pipeline by row or reuse outside clear water, and the mud that sedimentation tank, secondary sedimentation tank precipitation produces is delivered to sludge treatment equipment place and processes；Reaction tank is the reaction vessel closed；Also include the chemicals dosing plant adding medicament in reaction vessel；Chemicals dosing plant controls valve, medicament buffer memory chamber after controlling valve, buffer memory chamber before including medicament storage tank, dosing pump, buffer memory chamber, medicament storage tank is controlled to control valve behind valve, medicament buffer memory chamber, buffer memory chamber and connects with before dosing pump, buffer memory chamber by pipeline successively, controls valve behind buffer memory chamber) connected with the pipeline needing dosing by pipeline；Also including unidirectional water flowing out structure, unidirectional water flowing out structure controls on the pipeline between valve before being arranged on dosing pump and buffer memory chamber, controls current and can only control valve before flowing to buffer memory chamber from dosing pump；Also including pressure switch, pressure switch is arranged on the pipeline between dosing pump and unidirectional water flowing out structure；Medicament buffer memory intracavity is provided with measuring unit of liquid level.
Application number be 201020267676.4 patent of invention disclose a kind of papermaking sewage treatment system, including former pond, super efficiency shallow air flotation pond and suction pump, it is connected by pipeline between former pond and super efficiency shallow air flotation pond, suction pump is arranged on pipeline, for by the sewage suction super efficiency shallow air flotation pond in former pond；The medicine-chest being provided above splendid attire water purification agent of pipeline, this medicine-chest is connected by the pipeline between another pipeline with former pond and super efficiency shallow air flotation pond, and the water purification agent in medicine-chest is by from being re-injected in sewage；The pipeline that medicine-chest is connected is arranged on upstream or the downstream of suction pump；The pipeline that medicine-chest is connected is provided with glass rotameter.
Application number be 201220410046.7 patent of invention disclose a kind of papermaking sewage treatment system, including collecting-tank, retort, magnetic separator for muddy water, purification pot, mud recovery pond, charcoal filter and Water Sproading pond, the import of the outlet coupled reaction tank of collecting-tank, the outlet of retort connects magnetic separator for muddy water import, the osculum of magnetic separator for muddy water is connected with the entrance of purification pot, the mudhole of magnetic separator for muddy water is connected with mud recovery pond, the outlet of purification pot connects the import of active carbon filter, and the outlet of active carbon filter is connected with Water Sproading pond；Being provided with between retort and magnetic separator for muddy water and muddy water in retort is taken out the suction pump toward magnetic separator for muddy water, the bottom of retort is additionally provided with control valve；It is provided with the sewage separated by magnetic separator for muddy water between magnetic separator for muddy water and purification pot and squeezes into the water pump of purification pot.
Application number be 201220455025.7 patent of invention disclose a kind of papermaking sewage treatment system, including setting pot, sediment outflow pipe it is provided with bottom setting pot, top is respectively equipped with water inlet and outlet, also include coagulation passage, flocculant adding apparatus, sedimentation tank and collecting-tank, setting pot outlet is connected with sedimentation tank water inlet by coagulation passage, coagulation passage is provided with a plurality of flap being interspersed, coagulation passage is additionally provided with the dosing mouth being connected with flocculant adding apparatus, the bottom of sedimentation tank is coniform, pulp saver it is provided with bottom sedimentation tank, the outlet of sedimentation tank is connected with collecting-tank, the bottom of collecting-tank is provided with discharge outlet, what collecting-tank was positioned at discharge outlet is arranged over filter course；Flocculant adding apparatus is made up of Scatula, pipeline and valve, and Scatula is connected with coagulation passage by pipeline, and valve is arranged on pipeline；Scatula is at least 3.
Application number be 201320679457.0 patent of invention disclose a kind of degree of depth sewage disposal system, including control system and the intermediate pool, waste water pump, oxidizing tower, the degassed pond of neutralization, sedimentation tank, sludge pump and the sludge concentration tank that are sequentially connected with, wherein: the top of oxidizing tower is respectively arranged with concentrated sulphuric acid charging aperture and Fenton reagent charging aperture, concentrated sulphuric acid charging aperture connects with concentrated sulphuric acid chemicals dosing plant, and Fenton reagent charging aperture connects with ferrous sulfate storage pool and hydrogen peroxide storage tank respectively；The top neutralizing degassed pond is provided with liquid caustic soda feeding opening and flocculation aid charging aperture, and liquid caustic soda feeding opening connects with liquid caustic soda chemicals dosing plant, and flocculation aid charging aperture connects with flocculation aid chemicals dosing plant；Sedimentation tank is radical sedimentation basin；Mud scraper it is provided with in sedimentation tank；Pipeline between oxidizing tower and the degassed pond of described neutralization is provided with pH on-line measuring device；Liquid level sensor it is provided with in intermediate pool.
But existing sewage disposal system is not suitable for the sewage disposal of dyeing.At present, process for dyeing waste water and the town sewage containing dyeing waste water, researched and developed the techniques such as coagulation, filtration, absorption, chemical oxidation, membrane module and biological treatment, but the sewage treatment process being core with bioanalysis proved a kind of economical and effective and applied wider processing method.For more strict Effluent criteria, COD (COD) and the qualified discharge of TP (total phosphorus content), effectively reducing of colourity and effectively controlling of biological treatment system sludge bulking.
In sewage biological treatment system, its cardinal principle is to utilize the microorganism in activated sludge with the organic pollution in water for food to complete the process of its new city metabolism, in this process, quantity and the concentration of the organic pollution in water effectively reduce, and sewage is purified.
The patent of invention that such as application number is 201320448763.3. discloses a kind of dyeing and printing sewage process pond, including primary clarifier, elevator pump, regulating reservoir, centrifugal concentrator, neutralization precipitation pond, ozone decolorization device, collecting box, primary clarifier connects regulating reservoir through elevator pump, described regulating reservoir connects centrifugal concentrator, centrifugal concentrator connects neutralization precipitation pond, described neutralization precipitation pond connects ozone decolorization device, and the outlet in neutralization precipitation pond connects collecting box；Neutralization precipitation pond is provided with dosing mouth；Neutralization precipitation pond connects filter.
Application number be 201220414313.8 patent of invention disclose a kind of dyeing and printing sewage and process system, including mechanical grille, regulating reservoir, air-floatation water purifier, CASS pond, clear water reserviors, sewer catch basin, sludge concentration tank, dewaterer, mechanical grille, regulating reservoir, air-floatation water purifier, CASS pond and clear water reserviors are sequentially connected with by pipeline, CASS pond, sewer catch basin, sludge concentration tank and dewaterer are sequentially connected with by pipeline, pipeline between regulating reservoir and air-floatation water purifier is provided with elevator pump, pipeline between sewer catch basin and sludge concentration tank is provided with sludge pump, pipeline between sludge concentration tank and dewaterer is provided with sludge pump, air-floatation water purifier is connected by pipeline with sludge concentration tank, it is provided with sludge return pipe between CASS pond and sewer catch basin.
Application number be 200920222498.0 patent of invention disclose a kind of sewage disposal system containing dyeing waste water, including the pre-processing device once connected and distribution well, distribution well has two outlets, two outlets are connected with anaerobic fixed film reactor and one section of Aeration tank respectively, enter CAST pond after the water outlet mixing of pressure oxygen hydrolysis pond and one section of Aeration tank, behind CAST pond, be once connected to ozone oxidation system and BAF.
Anaerobic hydrolysis technique is the pre-treatment means that dyeing waste water is comparatively general, the interior activated sludge for being in anaerobic state, longer hydraulic detention time can improve the biodegradability containing dyeing waste water to a certain extent, but its contribution in the reduction of COD is little, can not well reduce the impact load that follow-up aerobe body processing system is produced by the undulatory property of influent quality, it is impossible to the stability of enough probabilities effectively reducing this system generation sludge bulking and its denitrogenation dephosphorization function of maintenance.
Contact oxidation technology is more common Aerobic biological process system, biomembrane apposition growth on filler can be effectively reduced the incidence rate of sludge bulking, Organic substance can be degraded fully simultaneously, existing engineering shows, the concentration of water outlet COD is generally 80 180mg/L, it is impossible to meet the discharge standard requirement of one-level B；Its two water outlet contains certain colourity, adopts uv disinfection system sewage treatment plant for some outlet water at tail ends, and the efficiency of ultraviolet disinfection substantially reduces, and energy consumption will enlarge markedly；Its three contact oxidation technology has the function of certain denitrogenation, but the effect of its dephosphorization is very weak, it is difficult to reach the discharge standard of one-level B.
Accordingly, it would be desirable to design one dyeing and printing sewage processes system, it is possible to reaching discharge standard, the waste water after can enabling process reaches the requirement of printing and dyeing water quality simultaneously.
Summary of the invention
The present invention is in order to overcome the deficiencies in the prior art, and provide a kind of dyeing and printing sewage to process system, dyeing and printing sewage COD concentration after treatment is between 50～60mg/L, between pH6～9, between colourity 16～32, improve the water quality of recycle-water, meet the requirement of printing and dyeing water quality, reduce the discharge capacity of waste water and reduce the consumption of fresh water, economizing on resources.
The present invention solves that above-mentioned technical problem be the technical scheme is that
A kind of dyeing and printing sewage processes system, including for collecting the collecting pit of dyeing and printing sewage, regulating reservoir, coagulating basin, first sedimentation tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation tank, two-stage coagulation Air-float separator and decolouring pond, described collecting pit, regulating reservoir, coagulating basin, first sedimentation tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation tank, two-stage coagulation Air-float separator and decolouring pond sequentially pass through pipeline and connect；Described regulating reservoir and contact-oxidation pool are equipped with the aerator for blast aeration, and described coagulating basin is equipped with the coagulant adding set for adding coagulant, and described decolouring pond is equipped with the chlorine dioxide adding set for adding chlorine dioxide；It is characterized in that, described decolouring pond is connected to active carbon filter through pipeline, described active carbon filter has second coagulation Air-float separator through pipeline communication, described second coagulation Air-float separator has tube settler through pipeline communication, described tube settler is communicated with inspection pond, and described inspection pond is communicated with filtration tank through elevator pump.
Described tube settler includes cell body, and described cell body is separated into stirring area, Disengagement zone and filtering area successively through the first dividing plate and second partition, and the hypomere of described stirring area is provided with water inlet；Through the pipeline communication bottom in Disengagement zone on described first dividing plate, the setting height(from bottom) of described pipeline is lower than the height of the first dividing plate；The upper semisection of described second partition is provided with some through holes uniformly, and the first half of described filtering area is provided with inclined tube filler, described inclined tube filler be arranged over outlet.
The lower end of described stirring area is additionally provided with drug tube, is equipped with blender in described stirring area.
Described inclined tube filler be arranged over fibrous nodules filtering layer, described fibrous nodules filtering layer is formed by cellosilk ligation.
Described inclined tube filler be connected with rinse trachea, the high-pressure pump that described flushing trachea one end connection pool is external.
The bottom of described stirring area, the bottom of Disengagement zone and the bottom of filtering area are all equipped with bucket.
Described secondary sedimentation tank is communicated with sludge concentration tank through mud pipeline, and described sludge concentration tank is equipped with filter press.
The artificial grid for filtering it is provided with between described collecting pit and regulating reservoir.
Prior art is compared, and the method have the advantages that
The dyeing and printing sewage of the present invention processes system, and the COD of sewage concentration after process is between 50～60mg/L, and between pH6～9, between colourity 16～32, the water quality after process can reach printing and dyeing water quality requirement.
Present invention reduces the discharge capacity of waste water simultaneously and decrease the consumption of fresh water.Showing through overtesting, after present invention process, the discharge capacity of waste water reduces 8.75 ten thousand tons, reduces fresh water consumption 8.75 ten thousand tons, decreases the pollution of environment, saved water resource simultaneously.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the present invention；
Fig. 2 is the structural representation of the tube settler of the present invention；
Labelling in figure: 1, cell body, 2, stirring area, 3, blender, the 4, first dividing plate, 5, pipeline, 6, second partition, 7, fibrous nodules filtering layer, 8, inclined tube filler, 9, outlet, 10, rinse trachea, 11, filtering area, 12, bucket, 13, Disengagement zone, 14, water inlet, 15, drug tube.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described, and described embodiment is only a part of embodiment of the present invention, is not whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art obtain under not making creative work premise other used by embodiment, broadly fall into protection scope of the present invention.
The dyeing and printing sewage of the present invention processes system, including for collecting the collecting pit of dyeing and printing sewage, regulating reservoir, coagulating basin, first sedimentation tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation tank, two-stage coagulation Air-float separator and decolouring pond, described collecting pit, regulating reservoir, coagulating basin, first sedimentation tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation tank, two-stage coagulation Air-float separator and decolouring pond sequentially pass through pipeline and connect；Described regulating reservoir and contact-oxidation pool are equipped with the aerator for blast aeration, and described coagulating basin is equipped with the coagulant adding set for adding coagulant, and described decolouring pond is equipped with the chlorine dioxide adding set for adding chlorine dioxide；Described decolouring pond is connected to active carbon filter through pipeline, described active carbon filter has second coagulation Air-float separator through pipeline communication, described second coagulation Air-float separator has tube settler, described tube settler to be communicated with inspection pond through pipeline communication, and described inspection pond is communicated with filtration tank through elevator pump.
Wherein active carbon filter, coagulation air-float device and inspection pond belong to prior art, and those skilled in the art can be appreciated and understood that, does not repeat them here.
The dyeing and printing sewage of the present invention processes system, and the COD of sewage concentration after process is between 50～60mg/L, and between pH6～9, between colourity 16～32, the water quality after process can reach printing and dyeing water quality requirement.
Present invention reduces the discharge capacity of waste water simultaneously and decrease the consumption of fresh water.Showing through overtesting, after present invention process, the discharge capacity of waste water reduces 8.75 ten thousand tons, reduces fresh water consumption 8.75 ten thousand tons, decreases the pollution of environment, saved water resource simultaneously.
Described tube settler includes cell body 1, and described cell body 1 is separated into stirring area 2, Disengagement zone 13 and filtering area 11 successively through the first dividing plate 4 and second partition 6, and the hypomere of described stirring area 2 is provided with water inlet 14；Connecting in the bottom of Disengagement zone 13 through pipeline 5 on described first dividing plate 4, the setting height(from bottom) of described pipeline 5 is lower than the height of the first dividing plate 4；The upper semisection of described second partition 6 is provided with some through holes uniformly, and the first half of described filtering area 11 is provided with inclined tube filler 8, it is preferable that the height that inclined tube filler 8 is arranged is higher than the position of the top through hole on second partition 6；Described inclined tube filler 8 be arranged over outlet 9.The lower end of described stirring area 2 is additionally provided with drug tube 15, is equipped with blender 3 in described stirring area 2.Preferably, drug tube 15 is equipped with one-way valve structures, it is simple to the input of medicine and control.
As a kind of preferred mode of the present invention, water inlet 14 is arranged on the lower section of drug tube 15, the structural design of stirring area of the present invention, it is easy to improve mixing effect, after the waste water stirring of stirring area, overflow enters Disengagement zone, make the present invention ensure mixing effect meanwhile, it is capable to carry out continuous operation, improve produce efficiency.
Waste water flow to filtering area 11 in the effect underflow of Disengagement zone 13 through hole, and the waste water of stirring area 2 of the present invention enters the bottom of Disengagement zone 13 through pipeline 5 simultaneously, extends the residence time in Disengagement zone 13, increases the effect separated.
The tube settler of the present invention has simple in construction, the feature of dependable performance.
Described inclined tube filler 8 be arranged over fibrous nodules filtering layer 7, described fibrous nodules filtering layer 7 is formed by cellosilk ligation.By effects such as interception, absorption, sievings, fine particle remaining in waste water is removed further, improve the effect of wastewater treatment further.
Being connected with of inclined tube filler 8 rinses trachea 10, and described flushing trachea 10 one end connects the high-pressure pump outside cell body 1；Inclined tube filler and fibrous nodules filtering layer can be regularly rinsed by this flushing trachea 10, it is to avoid blocking occur, improve the Practical Performance of the present invention.
The bottom of the bottom of stirring area 2, the bottom separating 3rd district and filtering area 11 is all equipped with bucket 12, it is simple to the mud being deposited in stirring area, Disengagement zone and filtering area is cleared up, and improves the practicality of the present invention.
Secondary sedimentation tank is communicated with sludge concentration tank through mud pipeline, and described sludge concentration tank is equipped with filter press.
The artificial grid for filtering it is provided with, it is simple to be filtered waste water processing between described collecting pit and regulating reservoir.
Embodiment one
The dyeing and printing sewage of the present embodiment processes system, including for collecting the collecting pit of dyeing and printing sewage, regulating reservoir, coagulating basin, first sedimentation tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation tank, two-stage coagulation Air-float separator and decolouring pond, described collecting pit, regulating reservoir, coagulating basin, first sedimentation tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation tank, two-stage coagulation Air-float separator and decolouring pond sequentially pass through pipeline and connect；Described regulating reservoir and contact-oxidation pool are equipped with the aerator for blast aeration, and described coagulating basin is equipped with the coagulant adding set for adding coagulant, and described decolouring pond is equipped with the chlorine dioxide adding set for adding chlorine dioxide；Described decolouring pond is connected to active carbon filter through pipeline, described active carbon filter has second coagulation Air-float separator through pipeline communication, described second coagulation Air-float separator has tube settler, described tube settler to be communicated with inspection pond through pipeline communication, and described inspection pond is communicated with filtration tank through elevator pump.
Embodiment two
The dyeing and printing sewage of the present embodiment processes system, including for collecting the collecting pit of dyeing and printing sewage, regulating reservoir, coagulating basin, first sedimentation tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation tank, two-stage coagulation Air-float separator and decolouring pond, described collecting pit, regulating reservoir, coagulating basin, first sedimentation tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation tank, two-stage coagulation Air-float separator and decolouring pond sequentially pass through pipeline and connect；Described regulating reservoir and contact-oxidation pool are equipped with the aerator for blast aeration, and described coagulating basin is equipped with the coagulant adding set for adding coagulant, and described decolouring pond is equipped with the chlorine dioxide adding set for adding chlorine dioxide；Described decolouring pond is connected to active carbon filter through pipeline, described active carbon filter has second coagulation Air-float separator through pipeline communication, described second coagulation Air-float separator has tube settler, described tube settler to be communicated with inspection pond through pipeline communication, and described inspection pond is communicated with filtration tank through elevator pump.Described tube settler includes cell body, and described cell body is separated into stirring area, Disengagement zone and filtering area successively through the first dividing plate and second partition, and the hypomere of described stirring area is provided with water inlet；Through the pipeline communication bottom in Disengagement zone on described first dividing plate, the setting height(from bottom) of described pipeline is lower than the height of the first dividing plate；The upper semisection of described second partition is provided with some through holes uniformly, and the first half of described filtering area is provided with inclined tube filler, described inclined tube filler be arranged over outlet.
Embodiment three
The dyeing and printing sewage of the present embodiment processes system, including for collecting the collecting pit of dyeing and printing sewage, regulating reservoir, coagulating basin, first sedimentation tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation tank, two-stage coagulation Air-float separator and decolouring pond, described collecting pit, regulating reservoir, coagulating basin, first sedimentation tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation tank, two-stage coagulation Air-float separator and decolouring pond sequentially pass through pipeline and connect；Described regulating reservoir and contact-oxidation pool are equipped with the aerator for blast aeration, and described coagulating basin is equipped with the coagulant adding set for adding coagulant, and described decolouring pond is equipped with the chlorine dioxide adding set for adding chlorine dioxide；Described decolouring pond is connected to active carbon filter through pipeline, described active carbon filter has second coagulation Air-float separator through pipeline communication, described second coagulation Air-float separator has tube settler, described tube settler to be communicated with inspection pond through pipeline communication, and described inspection pond is communicated with filtration tank through elevator pump.Described tube settler includes cell body, and described cell body is separated into stirring area, Disengagement zone and filtering area successively through the first dividing plate and second partition, and the hypomere of described stirring area is provided with water inlet；Through the pipeline communication bottom in Disengagement zone on described first dividing plate, the setting height(from bottom) of described pipeline is lower than the height of the first dividing plate；The upper semisection of described second partition is provided with some through holes uniformly, and the first half of described filtering area is provided with inclined tube filler, described inclined tube filler be arranged over outlet；The lower end of stirring area is additionally provided with drug tube, is equipped with blender in described stirring area.
Embodiment four
The dyeing and printing sewage of the present embodiment processes system, including for collecting the collecting pit of dyeing and printing sewage, regulating reservoir, coagulating basin, first sedimentation tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation tank, two-stage coagulation Air-float separator and decolouring pond, described collecting pit, regulating reservoir, coagulating basin, first sedimentation tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation tank, two-stage coagulation Air-float separator and decolouring pond sequentially pass through pipeline and connect；Described regulating reservoir and contact-oxidation pool are equipped with the aerator for blast aeration, and described coagulating basin is equipped with the coagulant adding set for adding coagulant, and described decolouring pond is equipped with the chlorine dioxide adding set for adding chlorine dioxide；Described decolouring pond is connected to active carbon filter through pipeline, described active carbon filter has second coagulation Air-float separator through pipeline communication, described second coagulation Air-float separator has tube settler, described tube settler to be communicated with inspection pond through pipeline communication, and described inspection pond is communicated with filtration tank through elevator pump.Described tube settler includes cell body, and described cell body is separated into stirring area, Disengagement zone and filtering area successively through the first dividing plate and second partition, and the hypomere of described stirring area is provided with water inlet；Through the pipeline communication bottom in Disengagement zone on described first dividing plate, the setting height(from bottom) of described pipeline is lower than the height of the first dividing plate；The upper semisection of described second partition is provided with some through holes uniformly, and the first half of described filtering area is provided with inclined tube filler, described inclined tube filler be arranged over outlet；The lower end of stirring area is additionally provided with drug tube, is equipped with blender in described stirring area；Inclined tube filler be arranged over fibrous nodules filtering layer, described fibrous nodules filtering layer is formed by cellosilk ligation.Described inclined tube filler be connected with rinse trachea, the high-pressure pump that described flushing trachea one end connection pool is external.The bottom of described stirring area, the bottom of Disengagement zone and the bottom of filtering area are all equipped with bucket.
Claims (7)
1. dyeing and printing sewage processes a system, including for collecting the collecting pit of dyeing and printing sewage, regulating reservoir, coagulating basin, just precipitating
Pond, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation tank, two-stage coagulation Air-float separator and decolouring pond, described collecting pit, regulating reservoir, coagulating basin, first sedimentation tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation tank, two-stage coagulation Air-float separator and decolouring pond sequentially pass through pipeline and connect；Described regulating reservoir and contact-oxidation pool are equipped with the aerator for blast aeration, and described coagulating basin is equipped with the coagulant adding set for adding coagulant, and described decolouring pond is equipped with the chlorine dioxide adding set for adding chlorine dioxide；It is characterized in that, described decolouring pond is connected to active carbon filter through pipeline, described active carbon filter has second coagulation Air-float separator through pipeline communication, described second coagulation Air-float separator has tube settler through pipeline communication, described tube settler is communicated with inspection pond, and described inspection pond is communicated with filtration tank through elevator pump；Described tube settler includes cell body, and described cell body is separated into stirring area, Disengagement zone and filtering area successively through the first dividing plate and second partition, and the hypomere of described stirring area is provided with water inlet；Through the pipeline communication bottom in Disengagement zone on described first dividing plate, the setting height(from bottom) of described pipeline is lower than the height of the first dividing plate, and the waste water of stirring area enters the bottom of Disengagement zone through pipeline；The upper semisection of described second partition is provided with some through holes uniformly, and waste water flow to filtering area in the effect underflow of through hole described in Disengagement zone, and the first half of described filtering area is provided with inclined tube filler, described inclined tube filler be arranged over outlet.
2. dyeing and printing sewage according to claim 1 processes system, it is characterised in that the lower end of described stirring area is additionally provided with drug tube, is equipped with blender in described stirring area.
3. dyeing and printing sewage according to claim 1 process system, it is characterised in that described inclined tube filler be arranged over fibrous nodules filtering layer, described fibrous nodules filtering layer is formed by cellosilk ligation.
4. dyeing and printing sewage according to claim 1 process system, it is characterised in that described inclined tube filler be connected with rinse trachea, the high-pressure pump that described flushing trachea one end connection pool is external.
5. process system according to the arbitrary described dyeing and printing sewage of claim 2 to 4, it is characterised in that the bottom of described stirring area, the bottom of Disengagement zone and the bottom of filtering area are all equipped with bucket.
6. dyeing and printing sewage according to claim 5 processes system, it is characterised in that described secondary sedimentation tank is communicated with sludge concentration tank through mud pipeline, and described sludge concentration tank is equipped with filter press.
7. dyeing and printing sewage according to claim 6 processes system, it is characterised in that be provided with the artificial grid for filtering between described collecting pit and regulating reservoir.
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| CN104355478B true CN104355478B (en) | 2016-07-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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Denomination of invention: A printing and dyeing sewage treatment system Effective date of registration: 20210929 Granted publication date: 20160713 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Huzhou Xinshi small and micro enterprise franchise sub branch Pledgor: ZHEJIANG QIANJIANG TEXTILE PRINTING AND DYEING Co.,Ltd. Registration number: Y2021330001829 |