CN204198556U - A kind of dyeing and printing sewage treatment system - Google Patents

A kind of dyeing and printing sewage treatment system Download PDF

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Publication number
CN204198556U
CN204198556U CN201420593529.4U CN201420593529U CN204198556U CN 204198556 U CN204198556 U CN 204198556U CN 201420593529 U CN201420593529 U CN 201420593529U CN 204198556 U CN204198556 U CN 204198556U
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China
Prior art keywords
pond
dyeing
tank
sewage treatment
pipeline
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CN201420593529.4U
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Chinese (zh)
Inventor
王树华
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浙江钱江纺织印染有限公司
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Abstract

The utility model discloses a kind of dyeing and printing sewage treatment system, comprise be communicated with successively collecting tank, equalizing tank, coagulation basin, first settling tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation basins, two-stage coagulation Air-float separator and decolouring pond, equalizing tank and contact-oxidation pool are equipped with the gas blower for blast aeration, coagulation basin is equipped with the coagulating agent adding set for adding coagulating agent, and decolouring pond is equipped with the dioxide peroxide adding set for adding dioxide peroxide; Decolouring pond is connected with activated charcoal filter through pipeline, activated charcoal filter has second coagulation Air-float separator through pipeline communication, second coagulation Air-float separator has tube settler through pipeline communication, and tube settler is communicated with and checks pond, checks that pond is communicated with filtration tank through lift pump.Dyeing and printing sewage treatment system of the present utility model, 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

A kind of dyeing and printing sewage treatment system

Technical field

The utility model relates to sewage disposal technology, is specifically related to a kind of dyeing and printing sewage treatment system.

Background technology

How can produce a large amount of waste water in papermaking, dyeing process, based on environmental protection and energy-conservation consideration, be the emphasis that those skilled in the art study by cycling utilization of wastewater always.

Such as application number be 201320363650.3 utility model patent disclose a kind of Sewage treatment systems, comprise sewage, sewage is connected with grid, lift pump, settling tank, reaction tank, secondary sedimentation basins successively by pipeline, clear water is arranged outward or reuse by pipeline by the sewage in secondary sedimentation basins, and the mud that settling tank, secondary sedimentation basins precipitation produces is delivered to sludge treatment equipment place and processes; Reaction tank is closed reaction vessel; Also comprise the chemicals dosing plant adding medicament in reaction vessel; Chemicals dosing plant comprises control valve behind control valve before medicament storage tank, volume pump, buffer memory chamber, buffer memory chamber, medicament buffer memory chamber, medicament storage tank by pipeline successively with volume pump, buffer memory chamber before control valve, medicament buffer memory chamber, control valve is connected behind buffer memory chamber, control valve behind buffer memory chamber) by pipeline and need the pipeline of dosing to connect; Also comprise unidirectional water flowing out structure, unidirectional water flowing out structure is arranged on the pipeline before volume pump and buffer memory chamber between control valve, control current can only flow to buffer memory chamber from volume pump before control valve; Also comprise pressure switch, pressure switch is arranged on the pipeline between volume pump and unidirectional water flowing out structure; Medicament buffer memory is provided with measuring unit of liquid level in chamber.

Application number be 201020267676.4 utility model patent disclose a kind of papermaking sewage treatment system, comprise former pond, super efficiency shallow air flotation pond and lift pump, be connected by pipeline between former pond and super efficiency shallow air flotation pond, lift pump is arranged on pipeline, for by the sewage suction super efficiency shallow air flotation pond in former pond; The top of pipeline is provided with the medicine-chest of splendid attire water purification agent, and this medicine-chest is connected with the pipeline between former pond and super efficiency shallow air flotation pond by another pipeline, and the water purification agent in medicine-chest is by being certainly re-injected in sewage; The install pipeline that medicine-chest is connected is in the upstream of lift pump or downstream; The pipeline that medicine-chest is connected is provided with glass rotameter.

Application number be 201220410046.7 utility model patent disclose a kind of papermaking sewage treatment system, comprise water collecting basin, retort, magnetic separator for muddy water, purification pot, mud pond for recovering, charcoal filter and Water Sproading pond, the import of the outlet ligation tank of water collecting basin, the outlet of retort connects magnetic separator for muddy water import, the water vent 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 pond for recovering, the outlet of purification pot connects the import of activated charcoal filter, the outlet of activated charcoal filter is connected with Water Sproading pond, be provided with lift pump muddy water in retort being taken out past magnetic separator for muddy water between retort and magnetic separator for muddy water, the bottom of retort is also provided with by-pass valve control, the water pump that the sewage separated by magnetic separator for muddy water squeezes into purification pot is provided with between magnetic separator for muddy water and purification pot.

Application number be 201220455025.7 utility model patent disclose a kind of papermaking sewage treatment system, comprise settling pit, sediment outflow pipe is provided with bottom settling pit, top is respectively equipped with water-in and water outlet, also comprise coagulation passage, flocculant adding apparatus, settling tank and water collecting basin, settling pit water outlet is connected with settling tank water-in by coagulation passage, coagulation passage is provided with a plurality of flap be interspersed, coagulation passage is also provided with the dosing mouth be connected with flocculant adding apparatus, the bottom of settling tank is coniform, pulp saver is provided with bottom settling tank, the water outlet of settling tank is connected with water collecting basin, the bottom of water collecting basin is provided with water port, the top that water collecting basin is positioned at water port is provided with filtering layer, 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 utility model patent disclose a kind of degree of depth Sewage treatment systems, comprise Controlling System and the intermediate pool be connected successively, waste water pump, oxidizing tower, the degassed pond of neutralization, settling tank, sludge pump and sludge thickener, wherein: the top of oxidizing tower is respectively arranged with vitriol oil opening for feed and Fenton reagent opening for feed, vitriol oil opening for feed is communicated with vitriol oil chemicals dosing plant, and Fenton reagent opening for feed is communicated with hydrogen peroxide storage tank with ferrous sulfate storage pool respectively; The top neutralizing degassed pond is provided with liquid caustic soda feeding opening and coagulant aids opening for feed, and liquid caustic soda feeding opening is communicated with liquid caustic soda chemicals dosing plant, and coagulant aids opening for feed is communicated with coagulant aids chemicals dosing plant; Settling tank is radical sedimentation basin; Mud scraper is provided with in settling tank; Pipeline between oxidizing tower and the degassed pond of described neutralization is provided with pH on-line measuring device; Liquid level sensor is provided with in intermediate pool.

But existing Sewage treatment systems is not suitable for the sewage disposal of dyeing.At present, for dyeing waste water and the process of town sewage containing dyeing waste water, researched and developed the techniques such as coagulation, filtration, absorption, chemical oxidation, membrane module and biological treatment, but be that the sewage treatment process of core proves a kind of economical and effective and the wider treatment process of application with biological process.For more strict Effluent criteria, effective control of the qualified discharge of COD (chemical oxygen demand (COD)) and TP (total phosphorous), effective reduction of colourity and biological treatment system sludge bulking.

In sewage biological treatment system, its cardinal principle utilizes the microorganism in active sludge with the organic pollutant in water for food is to complete the process of its new city metabolism, in this process, quantity and the concentration of the organic pollutant in water effectively reduce, and sewage is purified.

Such as application number is that the utility model patent of 201320448763.3. discloses a kind of dyeing and printing sewage treating pond, comprise primary clarifier, lift pump, equalizing tank, centrifugal concentrator, neutralization precipitation pond, ozone decolorization device, collection box, primary clarifier connects equalizing tank through lift pump, described equalizing tank 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 collection box; Neutralization precipitation pond is provided with dosing mouth; Neutralization precipitation pond connects strainer.

Application number be 201220414313.8 utility model patent disclose a kind of dyeing and printing sewage treatment system, comprise mechanical grille, equalizing tank, air-floatation water purifier, CASS pond, clean water basin, sewer catch basin, sludge thickener, water extracter, mechanical grille, equalizing tank, air-floatation water purifier, CASS pond is connected by pipeline successively with clean water basin, CASS pond, sewer catch basin, sludge thickener is connected by pipeline successively with water extracter, pipeline between equalizing tank and air-floatation water purifier is provided with lift pump, pipeline between sewer catch basin and sludge thickener is provided with sludge pump, pipeline between sludge thickener and water extracter is provided with sludge pump, air-floatation water purifier is connected by pipeline with sludge thickener, sludge return pipe is provided with between CASS pond and sewer catch basin.

Application number be 200920222498.0 utility model patent disclose a kind of Sewage treatment systems containing dyeing waste water, comprise the pre-processing device and distributing well that once connect, distributing well has two water outlets, two water outlets are connected with one section of aeration tank with anaerobic fixed film reactor 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 with ozone oxidation system and BAF.

Anaerobic hydrolysis technique is the comparatively general pre-treatment means of dyeing waste water, interior for being in the active sludge of 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, the impact load that the fluctuation that well can not reduce influent quality produces follow-up aerobe body processing system, effectively can not reduce the possibility of this system generation sludge bulking and keep the stability of its denitrogenation dephosphorization function.

Contact oxidation technology is the Aerobic biological process system comparatively commonly used, the apposition growth of microbial film on filler can reduce the incidence of sludge bulking effectively, can degrade fully to organism simultaneously, existing engineering shows, the concentration of water outlet COD is generally 80-180mg/L, can not meet the emission standard requirement of one-level B; Its two water outlet contains certain colourity, and adopt UV disinfection system sewage work for some outlet water at tail ends, the efficiency of uv sterilisation obviously 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, is difficult to the emission standard reaching one-level B.

Therefore, need design one dyeing and printing sewage treatment system, can reach emission standard, the waste water after simultaneously can enabling process reaches the requirement of printing and dyeing water quality.

Prior art is compared, and the utility model has following beneficial effect:

Dyeing and printing sewage treatment system of the present utility model, 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.

The utility model reduces the quantity discharged of waste water and decreases the consumption of fresh water simultaneously.Show through test, after the utility model process, the quantity discharged 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 resources simultaneously.

Utility model content

The utility model is in order to overcome the deficiencies in the prior art, and a kind of dyeing and printing sewage treatment system is provided, dyeing and printing sewage COD concentration is after treatment between 50 ~ 60mg/L, between pH6 ~ 9, between colourity 16 ~ 32, improve the water quality of reuse water, meet the requirement of printing and dyeing water quality, reduce the quantity discharged of waste water and reduce the consumption of fresh water, economizing on resources.

The utility model for solving the problems of the technologies described above adopted technical scheme is:

A kind of dyeing and printing sewage treatment system, comprise the collecting tank for collecting dyeing and printing sewage, equalizing tank, coagulation basin, first settling tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation basins, two-stage coagulation Air-float separator and decolouring pond, described collecting tank, equalizing tank, coagulation basin, first settling tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation basins, two-stage coagulation Air-float separator are connected through piping successively with decolouring pond; Described equalizing tank and contact-oxidation pool are equipped with the gas blower for blast aeration, and described coagulation basin is equipped with the coagulating agent adding set for adding coagulating agent, and described decolouring pond is equipped with the dioxide peroxide adding set for adding dioxide peroxide; It is characterized in that, described decolouring pond is connected with activated charcoal filter through pipeline, described activated charcoal 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 and checks pond, and described inspection pond is communicated with filtration tank through lift pump.

Described tube settler comprises pond body, and described pond body is separated into stirring area, disengaging zone and filtrating area successively through the first dividing plate and second partition, and the hypomere of described stirring area is provided with water-in; Through the bottom of pipeline communication in disengaging zone on described first dividing plate, the mounting height 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 upper part of described filtrating area is provided with inclined tube filler, and the top of described inclined tube filler is provided with water outlet.

The lower end of described stirring area is also provided with drug tube, is equipped with stirrer in described stirring area.

The top of described inclined tube filler is provided with fibrous nodules filtering layer, and described fibrous nodules filtering layer is formed by fiber yarn ligation.

The below of described inclined tube filler is provided with flushing tracheae, the high-pressure pump that described flushing tracheae one end connection pool is external.

The bottom of the bottom of described stirring area, the bottom of disengaging zone and filtrating area is all equipped with bucket.

Described secondary sedimentation basins is communicated with sludge thickener through mud pipeline, and described sludge thickener is equipped with plate-and-frame filter press.

The artificial grid for filtering is provided with between described collecting tank and equalizing tank.

Accompanying drawing explanation

Fig. 1 is structured flowchart of the present utility model;

Fig. 2 is the structural representation of tube settler of the present utility model;

Mark in figure: 1, Chi Ti, 2, stirring area, 3, stirrer, the 4, first dividing plate, 5, pipeline, 6, second partition, 7, fibrous nodules filtering layer, 8, inclined tube filler, 9, water outlet, 10, rinse tracheae, 11, filtrating area, 12, bucket, 13, disengaging zone, 14, water-in, 15, drug tube.

Embodiment

Below in conjunction with embodiment, the utility model will be further described, and described embodiment is only the utility model part embodiment, is not whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art, not making other embodiments used obtained under creative work prerequisite, belongs to protection domain of the present utility model.

Dyeing and printing sewage treatment system of the present utility model, comprise the collecting tank for collecting dyeing and printing sewage, equalizing tank, coagulation basin, first settling tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation basins, two-stage coagulation Air-float separator and decolouring pond, described collecting tank, equalizing tank, coagulation basin, first settling tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation basins, two-stage coagulation Air-float separator are connected through piping successively with decolouring pond; Described equalizing tank and contact-oxidation pool are equipped with the gas blower for blast aeration, and described coagulation basin is equipped with the coagulating agent adding set for adding coagulating agent, and described decolouring pond is equipped with the dioxide peroxide adding set for adding dioxide peroxide; Described decolouring pond is connected with activated charcoal filter through pipeline, described activated charcoal 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 and checks pond, and described inspection pond is communicated with filtration tank through lift pump.

Wherein activated charcoal filter, coagulation air-float device and inspection pond belong to prior art, and those skilled in the art can understand and understand, and does not repeat them here.

Dyeing and printing sewage treatment system of the present utility model, 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.

The utility model reduces the quantity discharged of waste water and decreases the consumption of fresh water simultaneously.Show through test, after the utility model process, the quantity discharged 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 resources simultaneously.

Described tube settler comprises pond body 1, and described pond body 1 is separated into stirring area 2, disengaging zone 13 and filtrating 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-in 14; Described first dividing plate 4 is communicated with in the bottom of disengaging zone 13 through pipeline 5, and the mounting height 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 upper part of described filtrating area 11 is provided with inclined tube filler 8, and preferably, the height that inclined tube filler 8 is arranged is higher than the position of the top through hole on second partition 6; The top of described inclined tube filler 8 is provided with water outlet 9.The lower end of described stirring area 2 is also provided with drug tube 15, is equipped with stirrer 3 in described stirring area 2.Preferably, drug tube 15 is equipped with one-way valve structures, is convenient to input and the control of medicine.

As a kind of preferred mode of the utility model, water-in 14 is arranged on the below of drug tube 15, the structure design of the utility model stirring area, be convenient to improve mixing effect, the waste water of stirring area stirs rear overflow and enters disengaging zone, make the utility model while guarantee mixing effect, can non-stop run be carried out, improve the efficiency of producing.

Waste water is in the effect underflow stream of disengaging zone 13 through hole to filtrating area 11, and the waste water of the utility model stirring area 2 enters the bottom of disengaging zone 13 through pipeline 5 simultaneously, extends the time of the stop in disengaging zone 13, increases the effect be separated.

It is simple that tube settler of the present utility model has structure, the feature of dependable performance.

The top of described inclined tube filler 8 is provided with fibrous nodules filtering layer 7, and described fibrous nodules filtering layer 7 is formed by fiber yarn ligation.By effects such as interception, absorption, sievings, fine particle remaining in waste water is removed further, improve the effect of wastewater treatment further.

The below of inclined tube filler 8 is provided with rinses tracheae 10, the high-pressure pump outside described flushing tracheae 10 one end connection pool body 1; This flushing tracheae 10 can regularly rinse inclined tube filler and fibrous nodules filtering layer, avoids occurring blocking, improves Practical Performance of the present utility model.

The bottom of the bottom of stirring area 2, the bottom being separated 3rd district and filtrating area 11 is all equipped with bucket 12, is convenient to the mud be deposited in stirring area, disengaging zone and filtrating area and clears up, improve practicality of the present utility model.

Secondary sedimentation basins is communicated with sludge thickener through mud pipeline, and described sludge thickener is equipped with plate-and-frame filter press.

Being provided with the artificial grid for filtering between described collecting tank and equalizing tank, being convenient to carry out filtration treatment to waste water.

Embodiment one

The dyeing and printing sewage treatment system of the present embodiment, comprise the collecting tank for collecting dyeing and printing sewage, equalizing tank, coagulation basin, first settling tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation basins, two-stage coagulation Air-float separator and decolouring pond, described collecting tank, equalizing tank, coagulation basin, first settling tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation basins, two-stage coagulation Air-float separator are connected through piping successively with decolouring pond; Described equalizing tank and contact-oxidation pool are equipped with the gas blower for blast aeration, and described coagulation basin is equipped with the coagulating agent adding set for adding coagulating agent, and described decolouring pond is equipped with the dioxide peroxide adding set for adding dioxide peroxide; Described decolouring pond is connected with activated charcoal filter through pipeline, described activated charcoal 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 and checks pond, and described inspection pond is communicated with filtration tank through lift pump.

Embodiment two

The dyeing and printing sewage treatment system of the present embodiment, comprise the collecting tank for collecting dyeing and printing sewage, equalizing tank, coagulation basin, first settling tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation basins, two-stage coagulation Air-float separator and decolouring pond, described collecting tank, equalizing tank, coagulation basin, first settling tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation basins, two-stage coagulation Air-float separator are connected through piping successively with decolouring pond; Described equalizing tank and contact-oxidation pool are equipped with the gas blower for blast aeration, and described coagulation basin is equipped with the coagulating agent adding set for adding coagulating agent, and described decolouring pond is equipped with the dioxide peroxide adding set for adding dioxide peroxide; Described decolouring pond is connected with activated charcoal filter through pipeline, described activated charcoal 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 and checks pond, and described inspection pond is communicated with filtration tank through lift pump.Described tube settler comprises pond body, and described pond body is separated into stirring area, disengaging zone and filtrating area successively through the first dividing plate and second partition, and the hypomere of described stirring area is provided with water-in; Through the bottom of pipeline communication in disengaging zone on described first dividing plate, the mounting height 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 upper part of described filtrating area is provided with inclined tube filler, and the top of described inclined tube filler is provided with water outlet.

Embodiment three

The dyeing and printing sewage treatment system of the present embodiment, comprise the collecting tank for collecting dyeing and printing sewage, equalizing tank, coagulation basin, first settling tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation basins, two-stage coagulation Air-float separator and decolouring pond, described collecting tank, equalizing tank, coagulation basin, first settling tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation basins, two-stage coagulation Air-float separator are connected through piping successively with decolouring pond; Described equalizing tank and contact-oxidation pool are equipped with the gas blower for blast aeration, and described coagulation basin is equipped with the coagulating agent adding set for adding coagulating agent, and described decolouring pond is equipped with the dioxide peroxide adding set for adding dioxide peroxide; Described decolouring pond is connected with activated charcoal filter through pipeline, described activated charcoal 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 and checks pond, and described inspection pond is communicated with filtration tank through lift pump.Described tube settler comprises pond body, and described pond body is separated into stirring area, disengaging zone and filtrating area successively through the first dividing plate and second partition, and the hypomere of described stirring area is provided with water-in; Through the bottom of pipeline communication in disengaging zone on described first dividing plate, the mounting height 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 upper part of described filtrating area is provided with inclined tube filler, and the top of described inclined tube filler is provided with water outlet; The lower end of stirring area is also provided with drug tube, is equipped with stirrer in described stirring area.

Embodiment four

The dyeing and printing sewage treatment system of the present embodiment, comprise the collecting tank for collecting dyeing and printing sewage, equalizing tank, coagulation basin, first settling tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation basins, two-stage coagulation Air-float separator and decolouring pond, described collecting tank, equalizing tank, coagulation basin, first settling tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation basins, two-stage coagulation Air-float separator are connected through piping successively with decolouring pond; Described equalizing tank and contact-oxidation pool are equipped with the gas blower for blast aeration, and described coagulation basin is equipped with the coagulating agent adding set for adding coagulating agent, and described decolouring pond is equipped with the dioxide peroxide adding set for adding dioxide peroxide; Described decolouring pond is connected with activated charcoal filter through pipeline, described activated charcoal 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 and checks pond, and described inspection pond is communicated with filtration tank through lift pump.Described tube settler comprises pond body, and described pond body is separated into stirring area, disengaging zone and filtrating area successively through the first dividing plate and second partition, and the hypomere of described stirring area is provided with water-in; Through the bottom of pipeline communication in disengaging zone on described first dividing plate, the mounting height 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 upper part of described filtrating area is provided with inclined tube filler, and the top of described inclined tube filler is provided with water outlet; The lower end of stirring area is also provided with drug tube, is equipped with stirrer in described stirring area; The top of inclined tube filler is provided with fibrous nodules filtering layer, and described fibrous nodules filtering layer is formed by fiber yarn ligation.The below of described inclined tube filler is provided with flushing tracheae, the high-pressure pump that described flushing tracheae one end connection pool is external.The bottom of the bottom of described stirring area, the bottom of disengaging zone and filtrating area is all equipped with bucket.

Claims (8)

1. a dyeing and printing sewage treatment system, comprise the collecting tank for collecting dyeing and printing sewage, equalizing tank, coagulation basin, first settling tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation basins, two-stage coagulation Air-float separator and decolouring pond, described collecting tank, equalizing tank, coagulation basin, first settling tank, hydrolysis acidification pool, contact-oxidation pool, secondary sedimentation basins, two-stage coagulation Air-float separator are connected through piping successively with decolouring pond; Described equalizing tank and contact-oxidation pool are equipped with the gas blower for blast aeration, and described coagulation basin is equipped with the coagulating agent adding set for adding coagulating agent, and described decolouring pond is equipped with the dioxide peroxide adding set for adding dioxide peroxide; It is characterized in that, described decolouring pond is connected with activated charcoal filter through pipeline, described activated charcoal 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 and checks pond, and described inspection pond is communicated with filtration tank through lift pump.
2. dyeing and printing sewage treatment system according to claim 1, it is characterized in that, described tube settler comprises pond body, and described pond body is separated into stirring area, disengaging zone and filtrating area successively through the first dividing plate and second partition, and the hypomere of described stirring area is provided with water-in; Through the bottom of pipeline communication in disengaging zone on described first dividing plate, the mounting height 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 upper part of described filtrating area is provided with inclined tube filler, and the top of described inclined tube filler is provided with water outlet.
3. dyeing and printing sewage treatment system according to claim 2, is characterized in that, the lower end of described stirring area is also provided with drug tube, is equipped with stirrer in described stirring area.
4. dyeing and printing sewage treatment system according to claim 3, is characterized in that, the top of described inclined tube filler is provided with fibrous nodules filtering layer, and described fibrous nodules filtering layer is formed by fiber yarn ligation.
5. dyeing and printing sewage treatment system according to claim 4, is characterized in that, the below of described inclined tube filler is provided with flushing tracheae, the high-pressure pump that described flushing tracheae one end connection pool is external.
6. according to the arbitrary described dyeing and printing sewage treatment system of claim 2-5, it is characterized in that, the bottom of the bottom of described stirring area, the bottom of disengaging zone and filtrating area is all equipped with bucket.
7. dyeing and printing sewage treatment system according to claim 6, is characterized in that, described secondary sedimentation basins is communicated with sludge thickener through mud pipeline, and described sludge thickener is equipped with plate-and-frame filter press.
8. dyeing and printing sewage treatment system according to claim 7, is characterized in that, is provided with the artificial grid for filtering between described collecting tank and equalizing tank.
CN201420593529.4U 2014-10-14 2014-10-14 A kind of dyeing and printing sewage treatment system CN204198556U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104355478A (en) * 2014-10-14 2015-02-18 浙江钱江纺织印染有限公司 Printing and dyeing sewage treatment system
CN106745928A (en) * 2015-11-19 2017-05-31 张家港市宏盛贸易有限公司 Textile waste processing system
CN108821473A (en) * 2018-07-04 2018-11-16 肇庆市创业帮信息技术有限公司 A kind of dyeing and printing sewage treatment process

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104355478A (en) * 2014-10-14 2015-02-18 浙江钱江纺织印染有限公司 Printing and dyeing sewage treatment system
CN104355478B (en) * 2014-10-14 2016-07-13 浙江钱江纺织印染有限公司 A kind of dyeing and printing sewage processes system
CN106745928A (en) * 2015-11-19 2017-05-31 张家港市宏盛贸易有限公司 Textile waste processing system
CN108821473A (en) * 2018-07-04 2018-11-16 肇庆市创业帮信息技术有限公司 A kind of dyeing and printing sewage treatment process

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