CN202279755U - Circulating retreatment system of concentrated liquid obtained in industrial wastewater zero-discharging recycling - Google Patents

Circulating retreatment system of concentrated liquid obtained in industrial wastewater zero-discharging recycling Download PDF

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Publication number
CN202279755U
CN202279755U CN2011203352254U CN201120335225U CN202279755U CN 202279755 U CN202279755 U CN 202279755U CN 2011203352254 U CN2011203352254 U CN 2011203352254U CN 201120335225 U CN201120335225 U CN 201120335225U CN 202279755 U CN202279755 U CN 202279755U
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China
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water
circulating
concentrated liquid
retreatment
industrial wastewater
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Expired - Lifetime
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CN2011203352254U
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Chinese (zh)
Inventor
夏显林
程松林
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Shenzhen Zoko Environmental Protection Technology Co Ltd
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Shenzhen Zoko Environmental Protection Technology Co Ltd
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Abstract

The utility model discloses a circulating retreatment system of concentrated liquid obtained in industrial wastewater zero-discharging recycling. The circulating retreatment system comprises a pretreatment system, an integrated membrane system, a rapid osmosis system and an artificial wetland system which are connected in sequence, wherein the pretreatment system comprises a raw water booster pump and a self-cleaning filter which are connected in sequence; the output end of the self-cleaning filter is connected to an ultrafiltration device in the integrated membrane system; the generated water output end of the ultrafiltration device is input to a reverse osmosis device through a high-pressure pump; the concentrated liquid of the ultrafiltration device and the concentrated liquid of the reverse osmosis device are output to the rapid osmosis system after being converged; and the rapid osmosis system is output to the artificial wetland system. The circulating retreatment system can be used for carrying out a series of automatic treatment working procedures such as filtration, purification, ion removal and the like on industrial water to realize pure water recycling, so that the treatment cost, the labor intensity and risks are greatly reduced, the stability of water quality can be effectively ensured, secondary pollution can be avoided, and industrial water zero-discharging recycling under the condition of low energy consumption can be realized.

Description

The circulation secondary treatment system of liquid concentrator in the industrial wastewater pollution Zero-discharge reuse
Technical field
The utility model relates to a kind of industrial wastewater pollution treatment zero draining reuse technology, particularly relates to a kind ofly can the integrated system of multi-field industrial wastewater pollution Zero-discharge reuse being belonged to the industrial sewage treatment technology field.
Background technology
For the Freshwater resources situation extremely in short supply that the present whole nation and even the whole world faced, we should do one's utmost the development resource reuse technology.At present; The technology of domestic relevant water resources recycling aspect still rests on the primary stage; Basically just use such as floor are flushed the toilet, water flowers, are cleaned in the reuse conduct; The water quality of recycle-water has also just just reached the water quality standard of reclaimed water, and is difficult to accomplish the full reuse of zero release, and the case of only a few zero release also belongs to the Technology of high energy consumption.
Now; The desalting system that ultrapure water is produced in the dirty wastewater zero discharge reuse of domestic industry all adopts traditional multiple bed IX+r-o-+mixed bed ion exchange process to accomplish; Not only floor space is big; Also exist according to cycling, cause that secondary pollution, cost are high, disadvantages such as the operational hazards factor is many, labour intensity is big, water quality instability, and the liquid concentrator of its reverse osmosis system generally all is to discharge after the dilution again, can't accomplish the less energy-consumption zero release.
The utility model content
To above-mentioned technical problem; The utility model provides a kind of technology simple; Operational safety; And can effectively realize the circulation secondary treatment system of liquid concentrator in the stable industrial wastewater pollution Zero-discharge reuse of quality of reused water, this technology not only can realize the dirty wastewater zero discharge of conglomerate fully, and in this process, has reduced energy consumption to greatest extent.
The utility model is for realizing this purpose; The technical scheme of being taked is: the circulation secondary treatment system of liquid concentrator in a kind of industrial wastewater pollution Zero-discharge reuse; Comprise in order the pretreatment system that connects, integrated film system, ooze system and artificial wet land system four parts soon; Said pretreatment system comprises in order former water topping-up pump and the self-cleaning filter that connects, and said self-cleaning filter output terminal is connected to the ultra-filtration equipment in the integrated film system, and ultra-filtration equipment produces the water output terminal and inputs to reverse osmosis unit through HPP; Export the system of oozing soon to after ultra-filtration equipment liquid concentrator and reverse osmosis unit liquid concentrator converge, the said system of oozing soon exports artificial wet land system to.
The technical scheme that realizes the utility model purpose comprises further that also said artificial wet land system output terminal is connected to former water topping-up pump input port.
The utility model combines integrated membrane technique with artificial swamp two big state-of-the-art technologies; Can filter water in the industry, a series of automatic treatment process such as purification, deionization; Make it reach the pure water reuse, not only greatly reduce the intensity and the danger of processing cost and work, and can effectively ensure the stability of water quality; Avoid causing secondary pollution, realize the full reuse of water zero discharge in the industry under the less energy-consumption.
Description of drawings
Fig. 1 is the utility model example structure synoptic diagram.
In the legend, 1. former water topping-up pump; 2. self-cleaning filter; 3. ultra-filtration equipment; 4. HPP; 5. reverse osmosis unit; A. pretreatment system; B. integrated film system; C. ooze system soon; D. artificial wet land system.
Embodiment
As shown in Figure 1, the utility model comprises the pretreatment system A that connects in order, and the integrated film B of system oozes four parts of C of system and artificial wet land system D soon.The dirty waste water of industrial enterprise behind self-cleaning filter 2 pretreatment process such as grade, is delivered in the integrated film B of system that is made up of ultra-filtration equipment 3, HPP 4 and reverse osmosis unit (RO device) 5 under former water topping-up pump 1 effect again.Ultra-filtration equipment 3 can be handled and can make the higher SDI value that the RO film stops up and the water of turbidity, generally can remove little particle like 0.01 μ m, thereby produce high-quality RO feed water.
Be superior to conventional method for pretreating with ultrafiltration or the pretreated water quality of microfiltration membrane, and can remove intestinal bacteria and bacterium.Mostly pre-treatment is the tubular fibre structure with micro-filtration (membrane pore size is 0.2 μ m) and hyperfiltration membrane assembly, and mould material is Vestolen PP 7052, sulfonated polyether sulfone etc., adopts the backwash of pulse of compressed air formula, can under very low cross-flow velocity, work, even can under no flow state, work.Compare with conventional pre-treatment, have design to be easy to stdn, operation is easy to robotization, need not to drop into continuously chemical reagent, saves advantages such as energy consumption and manpower.The pre-treatment of ultrafiltration should design according to the contained pollutent of charging equally, removes wherein suspended substance, iron rust with the strainer of an aperture 5~10 μ m usually, also can flocculate earlier in case of necessity, pre-filtering again.
The high-quality RO feed water that HPP 4 will pass through after ultra-filtration equipment 3 filters inputs to reverse osmosis unit 5; Said reverse osmosis unit 5 utilizes the RO membrane element to remove the mineral ion and the organism of major part (about 95%); Because r-o-is the physical method desalination; By HPP the energy of desalination is provided,, can obviously reduces working cost unlike the such frequent regeneration that needs of IX.
The liquid that sees through after handling through the integrated film B of system just can be used as finished product water and is back to industrial production line.A spot of unpoweredization of liquid concentrator ground gets into the C of the system of oozing soon that is made up of sorbing material and pond body, and simultaneously, said ultra-filtration equipment 3 also is provided with the liquid concentrator delivery port, and the liquid concentrator of output inputs to a small amount of liquid concentrator of being discharged by reverse osmosis unit 5 and oozes the C of system soon.
Through too fast ooze the Filtration Adsorption of the C of system after the artificial wet land system D that forms by active sludge, pond body and subtropics green plants of unpoweredization ground input again; Liquid concentrator after the rough handling can pass through the photosynthesis of green plants and the effects such as catalyzed oxidation of photocatalyst at this, thereby the various ions in the liquid concentrator are removed.Simultaneously, artificial wet land system D output terminal is connected to former water topping-up pump 1 input port, get back to the initial feed-water end of system through the liquid concentrator of artificial wet land system D purification is capable of circulation, thereby reuse reaches zero release after carrying out re-treatment.

Claims (2)

1. the circulation secondary treatment system of liquid concentrator in the industrial wastewater pollution Zero-discharge reuse; Comprise in order the pretreatment system (A) that connects, integrated film system (B), ooze system (C) and artificial wet land system (D) four parts soon; It is characterized in that; Said pretreatment system (A) comprises former water topping-up pump (1) and the self-cleaning filter (2) that connects in order; Said self-cleaning filter (2) output terminal is connected to the ultra-filtration equipment (3) in the integrated film system (B); Ultra-filtration equipment (3) produces the water output terminal and inputs to reverse osmosis unit (5) through HPP (4), exports the system of oozing soon (C) to after ultra-filtration equipment (3) liquid concentrator and reverse osmosis unit (5) liquid concentrator converge, and the said system (C) of oozing soon exports artificial wet land system (D) to.
2. the circulation secondary treatment system of liquid concentrator is characterized in that in the industrial wastewater pollution Zero-discharge reuse according to claim 1, and said artificial wet land system (D) output terminal is connected to former water topping-up pump (1) input port.
CN2011203352254U 2011-09-07 2011-09-07 Circulating retreatment system of concentrated liquid obtained in industrial wastewater zero-discharging recycling Expired - Lifetime CN202279755U (en)

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CN2011203352254U CN202279755U (en) 2011-09-07 2011-09-07 Circulating retreatment system of concentrated liquid obtained in industrial wastewater zero-discharging recycling

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CN2011203352254U CN202279755U (en) 2011-09-07 2011-09-07 Circulating retreatment system of concentrated liquid obtained in industrial wastewater zero-discharging recycling

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