CN108264171A - Treated sewage reusing processing unit and its treatment process - Google Patents
Treated sewage reusing processing unit and its treatment process Download PDFInfo
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- CN108264171A CN108264171A CN201711478977.4A CN201711478977A CN108264171A CN 108264171 A CN108264171 A CN 108264171A CN 201711478977 A CN201711478977 A CN 201711478977A CN 108264171 A CN108264171 A CN 108264171A
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- water
- reverse osmosis
- unit
- treated sewage
- sewage reusing
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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
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
-
- 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
- C02F1/70—Treatment of water, waste water, or sewage by reduction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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- 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)
- Water Treatment By Sorption (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention relates to technology of middle water recycle fields, disclose Treated sewage reusing processing unit, including middle pond (1), pretreatment unit, electric adsorption device (4), counter-infiltration system, ion exchange system, scale remover doser (6), reducing agent doser (7) and reuse pool (9), wherein, pretreatment unit includes the ceramic filtration device (2) of connection and active carbon filter (3), counter-infiltration system includes the reverse osmosis unit (5) for passing sequentially through pipeline connection, degassing pump (8) and film process area collecting-tank (10), reverse osmosis unit (5) is communicated with device for adding scale (6) and reducing agent doser (7), ion exchange system includes the ion interchange unit (11) connected by pipeline and water purifying tank (12), also disclose Treated sewage reusing treatment process.The present invention is connected using a variety of desalination technologies, is a kind of environmentally friendly Treated sewage reusing processing unit and technique, and desalting efficiency is more than 98%.
Description
Technical field
The present invention relates to technology of middle water recycle field more particularly to Treated sewage reusing processing unit and its treatment process.
Background technology
" middle water " is for upper water (feedwater) He Xiashui (draining).Treated sewage reusing is exactly city domestic sewage
Or trade effluent is handled by deep technical, is removed various impurity, is removed the poisonous and harmful substances of polluted-water and certain huge sum of moneys
Belong to ion, and then sterilization, water body is colourless, tasteless, water quality is as clear as crystal, and reaches or be better than the miscellaneous water of national regulation
Standard (or relevant regulations), the technology are a kind of important methods that sewage recycling recycles, and can both increase can utilize water
Resource, and the waste with water resource that can reduce environmental pollution are widely used in enterprise's production or resident living.
Invention content
The present invention is for water in common " ultrafiltration+reverse osmosis " series connection processing in the prior art, the impurity removal effect of middle water
The shortcomings that single, provides Treated sewage reusing processing unit and its treatment process.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals：
Treated sewage reusing processing unit, including middle pond, pretreatment unit, electric adsorption device, counter-infiltration system, ion exchange
System, scale remover doser, reducing agent doser and reuse pool, wherein, pretreatment unit includes the ceramic filtration device of connection
And active carbon filter, middle pond are connected with ceramic filtration device, active carbon filter is connected with electric adsorption device, counter-infiltration system
Reverse osmosis unit, degassing pump and film process area collecting-tank including passing sequentially through pipeline connection, are additionally provided in reverse osmosis unit anti-
Flusher and sludge pipe, electric adsorption device are connected with reverse osmosis unit, and reverse osmosis unit is communicated with device for adding scale and reduction
Agent doser, degassing pump also connects with reuse pool, ion exchange system include the ion interchange unit connected by pipeline with
Water purifying tank, ion interchange unit are connected with film process area collecting-tank.
The larger substance of the grain sizes such as bacterium algae, suspended matter during ceramic filtration device can remove in water；Active carbon filter can
With substances such as COD, the cyanogen in water in removing.Electrochemical theory is combined by electric adsorption device with adsorption separation technology, utilizes band
The electrochemical properties of electric electrode surface are come the purpose of realizing the removal of charged particle in water, the decomposition of organic matter, as electrode is inhaled
Subsidiary charged particle increases, and charged particle is enriched in electrode surface and concentrates, so as to make dissolved salts in water, colloidal solid and its
Charge species are trapped in electrode surface, and the final separation for realizing salt and water obtains fresh water, desalination available for water, go it is hard and light
Change and heavy metal containing wastewater treatment etc..
Reverse osmosis unit can only cannot penetrate the selective penetrated property of solute using reverse osmosis membrane by water, in brackish water one
Side presses, and using pressure as motive force, the larger organic molecule of prevention molecular weight passes through reverse osmosis with the inorganic salt molecule dissolved
Film, the technology that water is detached from brackish water, the back purge system being equipped with can remove remaining organic matter on reverse osmosis membrane
Molecule and inorganic salt molecule reduce the maintenance cost of reverse osmosis unit, improve separative efficiency.
The middle water handled through electric adsorption device and reverse osmosis unit can improve water outlet after ion exchange system is handled
Water quality, while the usage amount of the acid-base solution needed for regenerant ions exchange system can also be reduced.
Preferably, pretreatment unit further includes ozone generator, ozone generator is connected with active carbon filter, ozone
With strong oxidizing property, ozone is passed through in active carbon filter, can both be reacted with the organic matter in water, so that organic matter exists
It is removed in subsequent technique, and activated carbon intensifying regenerating can be made, improve filter efficiency, extend the service life of activated carbon.
Preferably, electric adsorption device is active carbon-titanium dioxide electrode electric adsorption device.
Using the Treated sewage reusing treatment process of sewerage disposing device, include the following steps：
(1) the middle water in pond filters using active carbon filter after the filtering of ceramic filtration device, obtains centre
Water；
(2) intermediate water is handled through electric adsorption device, obtains fresh water；
(3) reducing agent and scale remover are added in reverse osmosis unit, and fresh water handles to obtain demineralized water through reverse osmosis unit, removes
After the degassed pump removing of brine is dissolved in the gas in demineralized water, accounts for demineralized water total volume and be discharged into than the demineralized water for 30~50%
Reuse pool, remaining to be discharged into film process area collecting-tank, the impurity in reverse osmosis unit is arranged through back purge system by sludge pipe
Go out reverse osmosis unit；
(4) demineralized water of film process area collecting-tank enters ion interchange unit, obtains water purification after processing, is discharged into water purification
Pond.
Preferably, reducing agent is sodium hydrogensulfite, dosage is 30~50mg/L, both be can be used in reverse osmosis unit
The sterilization processing of fresh water can be also used for eliminating the oxidizing substance of pre-treatment remnants, and reverse osmosis unit is not resistant to oxidant,
It can cause to lose except salt functional by oxidation.
Preferably, scale remover is acetic acid, citric acid or sodium citrate, dosage is 15~25mg/L, anti-for removing
The dirt generated in permeability apparatus.
The present invention has significant technique effect as a result of above technical scheme：The present invention utilizes a variety of desalination skills
Art is connected, and the efficiency that electric adsorption device pre-process desalination is higher, while energy consumption consumption is lacked, convenient for operation and maintenance, after pretreatment
Fresh water enter reverse osmosis unit and can reduce reverse osmosis required pressure, improve the safety of the device, while through reverse osmosis
Device treated demineralized water can be selected according to different requirements, can also continue to obtain only using ion interchange unit
Water reduces the soda acid usage amount needed for activating and regenerating ion interchange unit.Therefore, Treated sewage reusing processing unit of the invention is one
Kind environmentally friendly Treated sewage reusing processing unit and technique, utilize the Treated sewage reusing treatment process centering impurities in water of the device
Removal efficiency it is higher, desalting efficiency be more than 98%.
Description of the drawings
Fig. 1 is the Treated sewage reusing processing unit block schematic illustration of the present invention.
Fig. 2 is the Treated sewage reusing processing technological flow figure of the present invention.
The toponym that each number designation is referred in attached drawing is as follows：1-middle pond, 2-ceramic filtration device, 3-activity
Carbon filter, 4-electric adsorption device, 5-reverse osmosis unit, 6-device for adding scale, 7-reducing agent doser, 8-degassing pump,
9-reuse pool, 10-film process area collecting-tank, 11-ion interchange unit, 12-water purifying tank, 13-ozone generator.
Specific embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
Treated sewage reusing processing unit, as shown in Figure 1, including middle pond 1, pretreatment unit, electric adsorption device 4, reverse osmosis
System, ion exchange system, scale remover doser 6, reducing agent doser 7 and reuse pool 9, wherein, pretreatment unit includes
The ceramic filtration device 2 of connection and active carbon filter 3, middle pond 1 are connected with ceramic filtration device 3, and active carbon filter 3 is inhaled with electricity
Adsorption device 4 connects, and counter-infiltration system catchments including passing sequentially through the reverse osmosis unit 5, degassing pump 8 and film process area of pipeline connection
Pond 10 is additionally provided with back purge system and sludge pipe in reverse osmosis unit 5, and electric adsorption device 4 is connected with reverse osmosis unit 5, reverse osmosis
Saturating device 5 is communicated with device for adding scale 6 and reducing agent doser 7, and degassing pump 8 is also connected with reuse pool 9, ion exchange system
Including the ion interchange unit 11 connected by pipeline and water purifying tank 12, ion interchange unit 11 connects with film process area collecting-tank 10
It is logical.
Pretreatment unit further includes ozone generator 13, and ozone generator 13 is connected with active carbon filter 3.
Electric adsorption device 4 is active carbon-titanium dioxide electrode electric adsorption device.
The treatment process of Treated sewage reusing processing unit, as shown in Fig. 2, including following steps：
(1) the middle water in pond 1 filters, in obtaining after the filtering of ceramic filtration device 2 using active carbon filter 3
Between water；
(2) intermediate water is handled through electric adsorption device 4, obtains fresh water；
(3) reducing agent and scale remover are added in reverse osmosis unit 5, and fresh water handles through reverse osmosis unit 5 and obtains demineralized water,
After degassed 8 removing of pump of demineralized water is dissolved in the gas in demineralized water, accounts for demineralized water total volume and be discharged into than the demineralized water for 30%
Reuse pool 9, remaining to be discharged into film process area collecting-tank 10, the impurity in reverse osmosis unit 5 passes through spoil disposal through back purge system
Pipe discharges reverse osmosis unit 5；
(4) demineralized water of film process area collecting-tank 10 enters ion interchange unit 11, obtains water purification after processing, is discharged into net
Pond 12.
Reducing agent is sodium hydrogensulfite, dosage 50mg/L.
Scale remover is acetic acid, dosage 25mg/L.
Embodiment 2
With embodiment 1, except that accounting for demineralized water total volume than being discharged into reuse pool 9, scale removal for 40% demineralized water
Agent is citric acid, and dosage 15mg/L, the dosage of sodium hydrogensulfite is 40mg/L.
Embodiment 3
With embodiment 2, except that accounting for demineralized water total volume than being discharged into reuse pool 9, scale removal for 50% demineralized water
Agent is sodium citrate, and dosage 20mg/L, the dosage of sodium hydrogensulfite is 30mg/L.
Embodiment 4
The Treated sewage reusing processing unit and its treatment process of embodiment 1 are applied in the processing of industrial cyanogens-containing sewage water.Work
Industry cyanogens-containing sewage water turbidity is higher, in addition to cyanogen, further includes the larger substance of the grain sizes such as bacterium algae, colloid, suspended matter, further includes ammonia
Nitrogen, CODcrWith various salt ions.
Treated sewage reusing treatment process before processing of the industrial cyanogens-containing sewage water through embodiment 1, concentration of suspension 200mg/L,
CODcrA concentration of 135mg/L, cyanogen a concentration of 10mg/L, ammonia-nitrogen content 15mg/L, salt content 4537mg/L.
Industrial cyanogens-containing sewage water after the Treated sewage reusing treatment process of embodiment 1, it can be found that：
Ceramic filtration device eliminates the larger substance of the grain sizes such as bacterium algae, colloid, suspended matter in industrial cyanogens-containing sewage water, then passes through
After active carbon filter, concentration of suspension is reduced to 16mg/L；Water during the effect of active carbon filter and ozone can remove
In CODcr, cyanogen, the substances such as ammonia nitrogen, CODcrConcentration is reduced to 58mg/L, and cyanogen concentration is reduced to 0.3mg/L, and ammonia-nitrogen content is not examined
Go out；
Electro Sorb technology realizes the removal of charged particle, organic matter in water using the electrochemical properties on charged electrode surface
Decomposition the purpose of, with increasing for electrode adsorption charged particle, charged particle is enriched in electrode surface and concentrates, so as to make in water
Dissolved salts, colloid and its charge species be trapped in electrode surface, the final separation for realizing salt and water, the fresh water of acquisition it is turbid
It spends for 0.2NTU, salt content 1120.6mg/L；
Reverse osmosis unit can only cannot penetrate the selective penetrated property of solute using reverse osmosis membrane by water, in brackish water one
Side presses, and using pressure as motive force, the larger organic molecule of prevention molecular weight passes through reverse osmosis with the inorganic salt molecule dissolved
Film, after the step, the salt content of the sewage is 236.2mg/L；
Degassing pump can reduce the content of the dissolved gas in the sewage, and degassing rate is 87%；
Most afterwards after ion-exchange treatment, the salt content of the sewage is 67.3mg/L, and the desalination rate of the present embodiment is
98.5%.
In short, the foregoing is merely presently preferred embodiments of the present invention, all equalizations made according to scope of the present invention patent
Variation and modification should all belong to the covering scope of patent of the present invention.
Claims (6)
1. Treated sewage reusing processing unit, it is characterised in that：Including middle pond (1), pretreatment unit, electric adsorption device (4), reverse osmosis
Permeable system, ion exchange system, scale remover doser (6), reducing agent doser (7) and reuse pool (9), wherein, pretreatment
Device includes the ceramic filtration device (2) of connection and active carbon filter (3), middle pond (1) connect with ceramic filtration device (3), living
Property carbon filter (3) connected with electric adsorption device (4), counter-infiltration system include pass sequentially through pipeline connection reverse osmosis unit
(5), degassing pump (8) and film process area collecting-tank (10), reverse osmosis unit (5) is interior to be additionally provided with back purge system and sludge pipe, electricity
Adsorbent equipment (4) is connected with reverse osmosis unit (5), and reverse osmosis unit (5) is communicated with device for adding scale (6) and reducing agent doser
(7), degassing pump (8) is also connected with reuse pool (9), and ion exchange system includes the ion interchange unit connected by pipeline
(11) it is connected with water purifying tank (12), ion interchange unit (11) with film process area collecting-tank (10).
2. Treated sewage reusing processing unit according to claim 1, it is characterised in that：Pretreatment unit further includes ozone
Device (13), ozone generator (13) are connected with active carbon filter (3).
3. Treated sewage reusing processing unit according to claim 2, it is characterised in that：Electric adsorption device (4) is activated carbon-two
Titanium oxide electrode electric adsorption device.
4. the treatment process of Treated sewage reusing processing unit according to claim 3, which is characterized in that including following step
Suddenly：
(1) the middle water in pond (1) is filtered using active carbon filter (3), is obtained after ceramic filtration device (2) filtering
Intermediate water；
(2) intermediate water is handled through electric adsorption device (4), obtains fresh water；
(3) reducing agent and scale remover are added in reverse osmosis unit (5), and fresh water handles through reverse osmosis unit (5) and obtains demineralized water,
After degassed pump (8) removing of demineralized water is dissolved in the gas in demineralized water, demineralized water total volume is accounted for than the desalination for 30~50%
Water is discharged into reuse pool (9), remaining to be discharged into film process area collecting-tank (10), and the impurity in reverse osmosis unit (5) is through backwash
Device discharges reverse osmosis unit (5) by sludge pipe；
(4) demineralized water of film process area collecting-tank (10) enters ion interchange unit (11), obtains water purification after processing, is discharged into net
Pond (12).
5. the treatment process of Treated sewage reusing processing unit according to claim 4, it is characterised in that：Reducing agent is sulfurous acid
Hydrogen sodium.
6. the treatment process of Treated sewage reusing processing unit according to claim 4, it is characterised in that：Scale remover for acetic acid,
Citric acid or sodium citrate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711478977.4A CN108264171A (en) | 2017-12-29 | 2017-12-29 | Treated sewage reusing processing unit and its treatment process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711478977.4A CN108264171A (en) | 2017-12-29 | 2017-12-29 | Treated sewage reusing processing unit and its treatment process |
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| CN108264171A true CN108264171A (en) | 2018-07-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109650610A (en) * | 2019-01-15 | 2019-04-19 | 西安工程大学 | A method of utilizing nitrogen and P elements in water in coagulation-electrochemical techniques removal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201634524U (en) * | 2009-12-25 | 2010-11-17 | 上海亚同环保实业股份有限公司 | Advanced treatment equipment for refinery sewage |
| CN202610061U (en) * | 2012-03-30 | 2012-12-19 | 中国石油化工股份有限公司 | Advanced treatment device of industrial wastewater |
| CN205856210U (en) * | 2016-07-28 | 2017-01-04 | 中国石油大学(华东) | The device of high-concentration salt-containing wastewater is removed in a kind of nanofiltration electro-adsorption reverse osmosis |
-
2017
- 2017-12-29 CN CN201711478977.4A patent/CN108264171A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201634524U (en) * | 2009-12-25 | 2010-11-17 | 上海亚同环保实业股份有限公司 | Advanced treatment equipment for refinery sewage |
| CN202610061U (en) * | 2012-03-30 | 2012-12-19 | 中国石油化工股份有限公司 | Advanced treatment device of industrial wastewater |
| CN205856210U (en) * | 2016-07-28 | 2017-01-04 | 中国石油大学(华东) | The device of high-concentration salt-containing wastewater is removed in a kind of nanofiltration electro-adsorption reverse osmosis |
Non-Patent Citations (1)
| Title |
|---|
| 常颖，吴强: "《净水工艺》", 31 October 2014, 华南理工大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109650610A (en) * | 2019-01-15 | 2019-04-19 | 西安工程大学 | A method of utilizing nitrogen and P elements in water in coagulation-electrochemical techniques removal |
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Application publication date: 20180710 |