CN110078318A - A kind of chemical industry for making chlorine and alkali mother liquor water process and reclaiming system - Google Patents
A kind of chemical industry for making chlorine and alkali mother liquor water process and reclaiming system Download PDFInfo
- Publication number
- CN110078318A CN110078318A CN201910495883.0A CN201910495883A CN110078318A CN 110078318 A CN110078318 A CN 110078318A CN 201910495883 A CN201910495883 A CN 201910495883A CN 110078318 A CN110078318 A CN 110078318A
- Authority
- CN
- China
- Prior art keywords
- water
- unit
- liquid coming
- mother liquid
- pond
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims abstract description 49
- 230000008569 process Effects 0.000 title claims abstract description 41
- 239000012452 mother liquor Substances 0.000 title claims abstract description 34
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 239000000460 chlorine Substances 0.000 title claims abstract description 21
- 229910052801 chlorine Inorganic materials 0.000 title claims abstract description 21
- 239000000126 substance Substances 0.000 title claims abstract description 20
- 239000003513 alkali Substances 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 65
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 33
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 29
- 239000010802 sludge Substances 0.000 claims abstract description 28
- 230000003647 oxidation Effects 0.000 claims abstract description 26
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000004140 cleaning Methods 0.000 claims abstract description 17
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 230000003750 conditioning effect Effects 0.000 claims abstract description 7
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 5
- 239000002910 solid waste Substances 0.000 claims abstract description 4
- 239000002351 wastewater Substances 0.000 claims description 22
- 238000011001 backwashing Methods 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000008187 granular material Substances 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 6
- 230000001112 coagulating effect Effects 0.000 claims description 6
- 230000007062 hydrolysis Effects 0.000 claims description 6
- 238000006460 hydrolysis reaction Methods 0.000 claims description 6
- 230000020477 pH reduction Effects 0.000 claims description 6
- 239000000701 coagulant Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000010865 sewage Substances 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 238000005273 aeration Methods 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 238000005352 clarification Methods 0.000 claims description 3
- 239000000084 colloidal system Substances 0.000 claims description 3
- 238000006298 dechlorination reaction Methods 0.000 claims description 3
- 229910001385 heavy metal Inorganic materials 0.000 claims description 3
- 239000005416 organic matter Substances 0.000 claims description 3
- 230000008929 regeneration Effects 0.000 claims description 3
- 238000011069 regeneration method Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000005345 coagulation Methods 0.000 claims 1
- 230000015271 coagulation Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 239000012528 membrane Substances 0.000 abstract description 6
- 229920000915 polyvinyl chloride Polymers 0.000 description 9
- 239000004800 polyvinyl chloride Substances 0.000 description 9
- 230000008901 benefit Effects 0.000 description 6
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 4
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 238000009298 carbon filtering Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—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
- C02F1/44—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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C02F1/5281—Installations for water purification using chemical agents
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of chemical industry for making chlorine and alkali mother liquor water process and reclaiming systems, including preliminary treatment unit, biochemical treatment unit, sludge separative unit, ozone oxidation unit, secondary biochemical treatment unit, ultra filtration unit, reverse osmosis units, Treatment for Reuse unit；Preliminary treatment unit successively includes grid, conditioning tank, self-cleaning filter, cooling tower according to water process direction, mother liquid coming is handled by grid, cleaning filters out the biggish solid waste among mother liquid coming, obtains pretreated mother liquid coming.The present invention passes through traditional activated sludge method processing technique, cooperation advanced oxidation is simultaneously aided with the biological aerated filter for low-pollution water and active carbon treatment process, a possibility that being provided to the reuse of mother liquid coming, final bio-chemical effluent passes through the depth membrane treatment process of ultrafiltration and mixed bed, finally realizing mother liquor, water is back to the purpose of production again, the a large amount of water of consumption is avoided, energy-saving and emission-reduction bring better prospect of the application.
Description
Technical field
The present invention relates to chlorine industry water-treatment technology field, in particular to a kind of chemical industry for making chlorine and alkali mother liquor water process and reuse
System.
Background technique
It is needed in chlorine industry using a large amount of water, to cause a large amount of discharge of wastewater, and then results in water resource
Pollution, suspended matter and inorganic salts specific gravity are higher in the waste water of discharge, and pH value fluctuation is larger, and direct emission reduces the benefit of resource
With the economic benefit of rate and enterprise, it is net that the waste water of chlor-alkali enterprises is mainly derived from ionic membrane alkaline, polyvinyl chloride resin, carbide slag, acetylene
Change, Desultwater Station discharge concentrated water, recirculated cooling water and sanitary sewage etc., ionic membrane alkaline production process waste water mainly includes salt water
Zhi Ge workshop section waste water, electrolysis workshop section's light salt brine, chlorine hydrogen handle waste water and integrate resin regeneration waste water, in polyvinyl chloride resin production process
Waste water mainly includes living in acetylene cleaning waste water, carbide slag filters pressing waste water, vinyl chloride alkali-wash waste water, replacement mercury catalyst and mercury eliminator
Property charcoal waste water, polyvinyl chloride water rushes kettle, clear kettle waste water and centrifuge mother liquor, mainly contain in waste water chloride, vinyl chloride, CODcr,
The clarified solution of the pollutants such as SS, total mercury wastewater from acetylene slag and acetylene purification waste water from carbide slag slurries concentration filters pressing process, it is contained
Major pollutants are SS, sulfide, chloride etc.；Desultwater Station discharge concentrated water, recirculated cooling water and sanitary sewage mainly pollute
Object is CODcr, SS etc..
When the wastewater treatment of existing chlorine industry, use is mainly a physically separate and UF membrane and ion exchange
Technology, most of physical separation utilize centrifugal force, and the residue in waste water is removed by the physics modes such as magnetic field.With chlorine
The alkali production management of chemical enterprises increasingly specification and the discharge for finely, producing each pollutant of each link can accomplish that classification is received
Collection thus brings new roadmap to traditionally reluctant mother liquid coming.Based on this, it is proposed that a kind of chlor-alkali
Work mother liquor water process and reclaiming system.
Summary of the invention
The main purpose of the present invention is to provide a kind of chemical industry for making chlorine and alkali mother liquor water process and reclaiming systems, can effectively solve
The problems in background technique.
To achieve the above object, the technical scheme adopted by the invention is as follows:
A kind of chemical industry for making chlorine and alkali mother liquor water process and reclaiming system, including the separation of preliminary treatment unit, biochemical treatment unit, sludge are single
Member, ozone oxidation unit, secondary biochemical treatment unit, ultra filtration unit, reverse osmosis units, Treatment for Reuse unit；
The preliminary treatment unit successively includes grid, conditioning tank, self-cleaning filter, cooling tower according to water process direction, is incited somebody to action
Mother liquid coming is handled by grid, and cleaning filters out the biggish solid waste among mother liquid coming, obtains pretreated mother liquid coming, will be pre-
The mother liquid coming of processing is sent into conditioning tank and adjusts PH, and then mother liquid coming is pumped into self-cleaning filter by water pump, and filtering is cut
The PVC granule reuse in mother liquid coming is stayed, then mother liquid coming enters in cooling tower and cooled down；
The biochemical treatment unit successively includes coagulating basin, inclined-plate clarifying basin, hydrolysis acidification pool, contact oxygen according to water process direction
Change pond, mother liquid coming, which subsequently enters investment coagulant in coagulating basin, enables the particle for being difficult to precipitate in mother liquid coming to be aggregated with one another and be formed
Colloid；Then mother liquor mixed liquor, which enters in inclined-plate clarifying basin, is precipitated, and PVC granule is fallen on the inclined plate of inclined-plate clarifying basin, female
Liquid water enters hydrolysis acidification pool and carries out Anaerobic Treatment, and subsequent mother liquid coming enters back into contact-oxidation pool and carries out oxidation processes.
The sludge separative unit includes secondary settling tank and sludge-tank, and the secondary settling tank separates mother liquor mixed liquor sludge,
Make the clarification of waste water mixed liquor, concentration and returnedactivatedsludge, then mother liquor mixed liquor liquid enters ozone oxidation unit, sludge into
Enter sludge-tank.
The ozone oxidation unit includes ozone oxidation pond, and the ozone oxidation pond is internally provided with ozone generator.
The secondary biochemical treatment unit successively includes biological aerated filter and activated carbon filter, institute according to water process direction
It states biological aerated filter and is pumped into carry out secondary biochemical treatment from ozone oxidation pond by mother liquid coming by pump, then mother liquid coming enters work
Property carbon filtering pool decolourized, be deodorized, dechlorination and removal organic matter and heavy metal.
The ultra filtration unit includes that ultrafiltration produces pond, and the ultrafiltration produces and is provided with ultrafiltration apparatus in pond, mother liquid coming warp
Cross the film process of ultrafiltration apparatus, ultrafiltration produce water be pumped into cartridge filter by water pump filter be pumped into using high-pressure pump it is reverse osmosis
In unit.
It is provided with intermediate pool and cartridge filter between the secondary biochemical treatment unit and ultra filtration unit, for guaranteeing
Mother liquid coming subsequent processing it is uniform and stable.
The reverse osmosis units include reverse osmosis unit, RO produces pond and RO concentrated water pond, mother liquid coming enter reverse osmosis unit,
A part of water enters RO production pond and is then pumped into Treatment for Reuse unit, and another part water enters RO concentrated water pond and entered again by water pump
Plant area's circulatory system.
The Treatment for Reuse unit includes mixed bed and reuse pool, and the mixed bed regeneration concentrated water is acidic and alkaline waste water, with pumping
It is handled to plant area's Sewage Disposal, another part water enters reuse pool and directly is fed directly to produce by system production water with pump
Reuse.
Preferably, the self-cleaning filter is specially bag filter, and the self-cleaning filter is internally provided with
PVC granule recyclable device.
Preferably, mother liquid coming water temperature is down to 35 DEG C from 60-70 DEG C by the cooling tower.
Preferably, the coagulant uses common aluminium polychloride.
Preferably, the sludge in the sludge-tank is evacuated to outside sludge-tank by sludge pump and carries out Treatment of Sludge.
Preferably, the aerobic section of the biological aerated filter is provided with online dissolved oxygen meter.
Preferably, the intermediate pool is connected with backwashing pump, and the water outlet connection of the backwashing pump by backwash pipeline
Biological aerated filter and activated carbon filter.
Preferably, the ultrafiltration produces pond and is connected with backwashing pump, and the other end of back suction pump and ultrafiltration by pipeline
Device connection.
Compared with prior art, a kind of chemical industry for making chlorine and alkali mother liquor water process of the present invention and reclaiming system, structure setting is reasonable, function
Energy property is strong, has the advantages that through traditional activated sludge method processing technique, advanced oxidation is cooperated simultaneously to be aided with for low
The biological aerated filter of contaminant water and active carbon treatment process, a possibility that offer to the reuse of mother liquid coming, final bio-chemical effluent
By the depth membrane treatment process of ultrafiltration and mixed bed, finally realizing mother liquor, water is back to the purpose of production again, avoids and disappears
An a large amount of water is consumed, very big contribution is made that the energy-saving and emission-reduction of enterprise, brings better prospect of the application.
Detailed description of the invention
Fig. 1 is integrated artistic flow chart of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.In the description of the present invention, it is to be understood that, term " on ", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "top", "bottom", "inner", "outside" is orientation based on the figure
Or positional relationship, it is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning
It must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
The chemical industry for making chlorine and alkali mother liquor water process and reclaiming system of the present embodiment, as shown in Figure 1:
Integrated artistic process are as follows: preliminary treatment unit, biochemical treatment unit, sludge separative unit, ozone oxidation unit, second level are raw
Change processing unit, ultra filtration unit, reverse osmosis units, Treatment for Reuse unit；
Preliminary treatment unit successively includes grid, conditioning tank, self-cleaning filter, cooling tower according to water process direction, by mother liquor
Water is handled by grid, and cleaning filters out the biggish solid waste among mother liquid coming, is obtained pretreated mother liquid coming, will be pre-processed
Mother liquid coming be sent into conditioning tank in adjust PH, then mother liquid coming is pumped into self-cleaning filter by water pump, filtering retention mother
PVC granule reuse in liquid water, self-cleaning filter are specially bag filter, and self-cleaning filter is internally provided with PVC
Particle reclamation device, then mother liquid coming enters in cooling tower and is cooled down, and mother liquid coming water temperature is down to 35 from 60-70 DEG C by cooling tower
DEG C, mother liquid coming after cooling enters biochemical treatment unit.
Biochemical treatment unit successively includes coagulating basin, inclined-plate clarifying basin, hydrolysis acidification pool, contact oxygen according to water process direction
Change pond, mother liquid coming, which subsequently enters, to be put into common aluminium polychloride coagulant and make the particle for being difficult to precipitate in mother liquid coming in coagulating basin
It can be aggregated with one another and form colloid；Then mother liquor mixed liquor, which enters in inclined-plate clarifying basin, is precipitated, and it is heavy that PVC granule falls into inclined plate
On the inclined plate in shallow lake pond, mother liquid coming enters hydrolysis acidification pool and carries out Anaerobic Treatment, and subsequent mother liquid coming enters back into contact-oxidation pool progress
Oxidation processes, processing complete post mother liquor mixed liquor and enter sludge separative unit.
Sludge separative unit includes secondary settling tank and sludge-tank, and secondary settling tank separates mother liquor mixed liquor sludge, keeps waste water mixed
Liquid clarification, concentration and returnedactivatedsludge are closed, then mother liquor mixed liquor liquid enters ozone oxidation unit, and sludge enters sludge
Pond, the sludge in sludge-tank is evacuated to outside sludge-tank by sludge pump carries out Treatment of Sludge.
Ozone oxidation unit includes ozone oxidation pond, and ozone oxidation pond is internally provided with ozone generator and generates ozone, is led to
Larger molecular organics also undegradable in mother liquid coming are broken to degradable small organic molecule by the strong oxidation for crossing ozone,
Then mother liquid coming enters secondary biochemical treatment unit.
Secondary biochemical treatment unit successively includes biological aerated filter and activated carbon filter, aeration life according to water process direction
Object filter tank is pumped into carry out secondary biochemical treatment from ozone oxidation pond by mother liquid coming by pump, biodegradable to carrying out in mother liquid coming,
Ensure the removal to not degradable macromolecule organic, guarantee the stable operation of subsequent film processing unit, use it is online molten
Oxygen instrument measures the dissolved oxygen of aerobic section, and then the operating status of the variation adjustment Aeration fan according to dissolved oxygen, realizes energy conservation
The target of consumption reduction also ensures the even running of biochemical system, then mother liquid coming enter activated carbon filter decolourized, be deodorized,
Dechlorination and removal organic matter and heavy metal, pass through elevator pump subsequently into intermediate pool and enter cartridge filter, again for protecting
The uniform and stable of mother liquid coming subsequent processing is demonstrate,proved, enters ultrafiltration list by intermediate pool and the slow processing post mother liquor water of cartridge filter
Member.
Intermediate pool is connected with backwashing pump, and the water outlet connection biological aerated filter and work of backwashing pump by backwash pipeline
Property carbon filtering pool.
Ultra filtration unit includes that ultrafiltration produces pond, and ultrafiltration produces and is provided with ultrafiltration apparatus in pond, and mother liquid coming is filled by ultrafiltration
The film process set, ultrafiltration production water are pumped into filter in cartridge filter by water pump and is pumped into reverse osmosis units using high-pressure pump,
Ultrafiltration produces pond and is connected with backwashing pump by pipeline, and the other end of back suction pump is connect with ultrafiltration apparatus.
Reverse osmosis units include that reverse osmosis unit, RO produce pond and RO concentrated water pond, and mother liquid coming enters reverse osmosis unit, and one
Point water, which enters RO and produces pond, is then pumped into Treatment for Reuse unit, and another part water, which enters RO concentrated water pond and passes through water pump again, enters plant area
The circulatory system.
Treatment for Reuse unit includes mixed bed and reuse pool, and it is acidic and alkaline waste water that mixed bed, which regenerates concentrated water, dirty with plant area is pumped to
Water treatment station is handled, and another part water enters reuse pool and system production water is directly fed directly to production system time with pump
With.
Advantages of the present invention: by traditional activated sludge method processing technique, cooperate advanced oxidation and be aided with for low dirt
The biological aerated filter and activity carbon treatment process of water are contaminated, a possibility that offer to the reuse of mother liquid coming, final bio-chemical effluent is logical
The depth membrane treatment process for crossing ultrafiltration and mixed bed, finally realizing mother liquor, water is back to the purpose of production again, avoids consumption
An a large amount of water, very big contribution is made that the energy-saving and emission-reduction of enterprise, brings better prospect of the application.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. a kind of chemical industry for making chlorine and alkali mother liquor water process and reclaiming system, including the separation of preliminary treatment unit, biochemical treatment unit, sludge
Unit, ozone oxidation unit, secondary biochemical treatment unit, ultra filtration unit, reverse osmosis units, Treatment for Reuse unit；
The preliminary treatment unit successively includes grid, conditioning tank, self-cleaning filter, cooling tower according to water process direction, is incited somebody to action
Mother liquid coming is handled by grid, and cleaning filters out the biggish solid waste among mother liquid coming, obtains pretreated mother liquid coming, will be pre-
The mother liquid coming of processing is sent into conditioning tank and adjusts PH, and then mother liquid coming is pumped into self-cleaning filter by water pump, and filtering is cut
The PVC granule reuse in mother liquid coming is stayed, then mother liquid coming enters in cooling tower and cooled down；
The biochemical treatment unit successively includes coagulating basin, inclined-plate clarifying basin, hydrolysis acidification pool, contact oxygen according to water process direction
Change pond, mother liquid coming, which subsequently enters investment coagulant in coagulating basin, enables the particle for being difficult to precipitate in mother liquid coming to be aggregated with one another and be formed
Colloid；Then mother liquor mixed liquor, which enters in inclined-plate clarifying basin, is precipitated, and PVC granule is fallen on the inclined plate of inclined-plate clarifying basin, female
Liquid water enters hydrolysis acidification pool and carries out Anaerobic Treatment, and subsequent mother liquid coming enters back into contact-oxidation pool and carries out oxidation processes；
The sludge separative unit includes secondary settling tank and sludge-tank, and the secondary settling tank separates mother liquor mixed liquor sludge, makes to give up
Water mixed liquid clarification, concentration and returnedactivatedsludge, then mother liquor mixed liquor liquid enters ozone oxidation unit, and sludge enters dirt
Mud sump；
The ozone oxidation unit includes ozone oxidation pond, and the ozone oxidation pond is internally provided with ozone generator；
The secondary biochemical treatment unit successively includes biological aerated filter and activated carbon filter, the exposure according to water process direction
Gas biofilter is pumped into carry out secondary biochemical treatment from ozone oxidation pond by mother liquid coming by pump, and then mother liquid coming enters active carbon
Filter tank decolourized, is deodorized, dechlorination and removal organic matter and heavy metal；
The ultra filtration unit includes that ultrafiltration produces pond, and the ultrafiltration produces and is provided with ultrafiltration apparatus in pond, and mother liquid coming is by super
The film process of device is filtered, ultrafiltration production water, which is pumped into filter in cartridge filter by water pump, is pumped into reverse osmosis units using high-pressure pump
In；
It is provided with intermediate pool and cartridge filter between the secondary biochemical treatment unit and ultra filtration unit, for guaranteeing mother liquor
Water subsequent processing it is uniform and stable；
The reverse osmosis units include that reverse osmosis unit, RO produce pond and RO concentrated water pond, and mother liquid coming enters reverse osmosis unit, and one
Point water, which enters RO and produces pond, is then pumped into Treatment for Reuse unit, and another part water, which enters RO concentrated water pond and passes through water pump again, enters plant area
The circulatory system；
The Treatment for Reuse unit includes mixed bed and reuse pool, and the mixed bed regeneration concentrated water is acidic and alkaline waste water, with being pumped to factory
Area's Sewage Disposal is handled, and another part water enters reuse pool and directly is fed directly to produce back by system production water with pump
With.
2. a kind of chemical industry for making chlorine and alkali mother liquor water process according to claim 1 and reclaiming system, it is characterised in that: described from clear
Washed filter is specially bag filter, and the self-cleaning filter is internally provided with PVC granule recyclable device.
3. a kind of chemical industry for making chlorine and alkali mother liquor water process according to claim 1 and reclaiming system, it is characterised in that: the cooling
Mother liquid coming water temperature is down to 35 DEG C from 60-70 DEG C by tower.
4. a kind of chemical industry for making chlorine and alkali mother liquor water process according to claim 1 and reclaiming system, it is characterised in that: the coagulation
Agent uses common aluminium polychloride.
5. a kind of chemical industry for making chlorine and alkali mother liquor water process according to claim 1 and reclaiming system, it is characterised in that: the sludge
Sludge in pond is evacuated to outside sludge-tank by sludge pump carries out Treatment of Sludge.
6. a kind of chemical industry for making chlorine and alkali mother liquor water process according to claim 1 and reclaiming system, it is characterised in that: the aeration
The aerobic section of biofilter is provided with online dissolved oxygen meter.
7. a kind of chemical industry for making chlorine and alkali mother liquor water process according to claim 1 and reclaiming system, it is characterised in that: the centre
Pond is connected with backwashing pump, and the water outlet connection biological aerated filter and active carbon filtration of the backwashing pump by backwash pipeline
Pond.
8. a kind of chemical industry for making chlorine and alkali mother liquor water process according to claim 1 and reclaiming system, it is characterised in that: the ultrafiltration
It produces pond and backwashing pump is connected with by pipeline, and the other end of back suction pump is connect with ultrafiltration apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910495883.0A CN110078318A (en) | 2019-06-10 | 2019-06-10 | A kind of chemical industry for making chlorine and alkali mother liquor water process and reclaiming system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910495883.0A CN110078318A (en) | 2019-06-10 | 2019-06-10 | A kind of chemical industry for making chlorine and alkali mother liquor water process and reclaiming system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110078318A true CN110078318A (en) | 2019-08-02 |
Family
ID=67424060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910495883.0A Pending CN110078318A (en) | 2019-06-10 | 2019-06-10 | A kind of chemical industry for making chlorine and alkali mother liquor water process and reclaiming system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110078318A (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101343132A (en) * | 2008-08-28 | 2009-01-14 | 杭州水处理技术研究开发中心有限公司 | Treatment method for wastewater of polyvinyl chloride (PVC) anticentripetal mother solution |
| CN101857339A (en) * | 2010-05-26 | 2010-10-13 | 蓝星环境工程有限公司 | Pretreatment method for PVC mother solution wastewater recycling |
| CN102775011A (en) * | 2012-07-20 | 2012-11-14 | 山东国瑞环保产业有限公司 | Treating and recycling method for PVC mother liquor wastewater |
| CN102815836A (en) * | 2012-07-23 | 2012-12-12 | 北京桑德环境工程有限公司 | Treating system and treating method for hardly degradable organic waste water |
| CN102964024A (en) * | 2012-09-29 | 2013-03-13 | 河南永银化工实业有限公司 | Wastewater zero discharge system of chlorine-alkali industry |
| KR101253673B1 (en) * | 2012-12-27 | 2013-04-11 | 롯데건설 주식회사 | Waste water treatment apparatus |
| CN103102042A (en) * | 2012-10-19 | 2013-05-15 | 郑州江河环保技术有限公司 | Treatment process and device for wastewater containing benzene |
| CN103342442A (en) * | 2013-07-18 | 2013-10-09 | 山东太平洋环保有限公司 | Integrated biotreatment system and method for PVC (poly vinyl chloride) industrial wastewater |
| CN105016577A (en) * | 2015-07-08 | 2015-11-04 | 安徽东华环境市政工程有限责任公司 | Advanced treatment system for process sewage and advanced treatment method for sewage |
| CN107176755A (en) * | 2017-06-06 | 2017-09-19 | 滁州市宏源喷涂有限公司 | A kind of polyvinyl chloride centrifugation mother liquid multi-method combined pretreatment method |
| CN207031193U (en) * | 2017-07-06 | 2018-02-23 | 河南绿沐环保技术有限公司 | A kind of system for handling chlorine industry PVC polymeric mother liquid wastewater zero discharges |
| CN207512019U (en) * | 2017-09-15 | 2018-06-19 | 许继联华国际环境工程有限责任公司 | A kind of sanitary sewage, technique waste water, stripper Wastewater Concentrated device |
| CN108558063A (en) * | 2018-04-02 | 2018-09-21 | 青海黎明化工有限责任公司 | Chemical enterprise concentration organic wastewater disposal process and system |
| CN210103707U (en) * | 2019-06-10 | 2020-02-21 | 苏州中色德源环保科技有限公司 | Chlor-alkali chemical mother liquor water treatment and recycling system |
-
2019
- 2019-06-10 CN CN201910495883.0A patent/CN110078318A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101343132A (en) * | 2008-08-28 | 2009-01-14 | 杭州水处理技术研究开发中心有限公司 | Treatment method for wastewater of polyvinyl chloride (PVC) anticentripetal mother solution |
| CN101857339A (en) * | 2010-05-26 | 2010-10-13 | 蓝星环境工程有限公司 | Pretreatment method for PVC mother solution wastewater recycling |
| CN102775011A (en) * | 2012-07-20 | 2012-11-14 | 山东国瑞环保产业有限公司 | Treating and recycling method for PVC mother liquor wastewater |
| CN102815836A (en) * | 2012-07-23 | 2012-12-12 | 北京桑德环境工程有限公司 | Treating system and treating method for hardly degradable organic waste water |
| CN102964024A (en) * | 2012-09-29 | 2013-03-13 | 河南永银化工实业有限公司 | Wastewater zero discharge system of chlorine-alkali industry |
| CN103102042A (en) * | 2012-10-19 | 2013-05-15 | 郑州江河环保技术有限公司 | Treatment process and device for wastewater containing benzene |
| KR101253673B1 (en) * | 2012-12-27 | 2013-04-11 | 롯데건설 주식회사 | Waste water treatment apparatus |
| CN103342442A (en) * | 2013-07-18 | 2013-10-09 | 山东太平洋环保有限公司 | Integrated biotreatment system and method for PVC (poly vinyl chloride) industrial wastewater |
| CN105016577A (en) * | 2015-07-08 | 2015-11-04 | 安徽东华环境市政工程有限责任公司 | Advanced treatment system for process sewage and advanced treatment method for sewage |
| CN107176755A (en) * | 2017-06-06 | 2017-09-19 | 滁州市宏源喷涂有限公司 | A kind of polyvinyl chloride centrifugation mother liquid multi-method combined pretreatment method |
| CN207031193U (en) * | 2017-07-06 | 2018-02-23 | 河南绿沐环保技术有限公司 | A kind of system for handling chlorine industry PVC polymeric mother liquid wastewater zero discharges |
| CN207512019U (en) * | 2017-09-15 | 2018-06-19 | 许继联华国际环境工程有限责任公司 | A kind of sanitary sewage, technique waste water, stripper Wastewater Concentrated device |
| CN108558063A (en) * | 2018-04-02 | 2018-09-21 | 青海黎明化工有限责任公司 | Chemical enterprise concentration organic wastewater disposal process and system |
| CN210103707U (en) * | 2019-06-10 | 2020-02-21 | 苏州中色德源环保科技有限公司 | Chlor-alkali chemical mother liquor water treatment and recycling system |
Non-Patent Citations (1)
| Title |
|---|
| 王建兵 等: "《煤化工高浓度有机废水处理技术及工程实例》", vol. 1, 北京：冶金工业出版社, pages: 183 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102126798B (en) | Method for reclaiming fluorine-containing and ammonia nitrogen-containing waste water in electronic industry | |
| CN102285736B (en) | Reverse osmosis pre-treatment method for recycling reclaimed water in electric power plant | |
| CN107253798B (en) | Advanced treatment and reuse combined process for steel industrial wastewater | |
| CN102452751A (en) | Method of deep desalting and recycling of industrial effluent | |
| CN101269903B (en) | Further advanced treatment technique and apparatus for sewage water of oil refining | |
| CN107215998A (en) | A kind of deep treatment method of waste water | |
| CN108083585A (en) | A kind of waste water treatment process | |
| CN204281479U (en) | A kind for the treatment of system of coating wastewater | |
| CN108328836B (en) | Water inlet control system based on high-salt-content wastewater reduction process | |
| CN202865053U (en) | Processing device for wastewater form circulating cooling water and reverse osmosis concentrated water | |
| CN105884093A (en) | High-alkalinity PTA reclaimed water reuse process | |
| CN210656480U (en) | Adopt washing cigarette waste water retrieval and utilization processing apparatus of DTRO device | |
| CN202658043U (en) | Electroplating wastewater treatment recycling system | |
| CN112028273A (en) | High-recovery-rate reclaimed water recycling advanced treatment system and treatment method | |
| CN109422383A (en) | A kind of Treated sewage reusing treatment process | |
| CN107176729A (en) | A kind of AEC electric flocculations waste water treatment process | |
| CN110204109A (en) | A kind of the Application of Circulating Waste Water in Thermal Power Plants advanced treatment system and method for municipal administration water resource of reclaimed water | |
| CN110330140A (en) | Saline and alkaline region water pollution improvement and system for regenerating and recycling and method | |
| CN215559636U (en) | Wastewater treatment system | |
| CN203498181U (en) | System for recycling waste acid and waste alkali | |
| CN215559437U (en) | Wastewater treatment system | |
| CN110078318A (en) | A kind of chemical industry for making chlorine and alkali mother liquor water process and reclaiming system | |
| CN210103707U (en) | Chlor-alkali chemical mother liquor water treatment and recycling system | |
| CN210764746U (en) | Adopt washing cigarette waste water retrieval and utilization processing apparatus of STRO device | |
| CN211546262U (en) | Pretreatment cleaning wastewater treatment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190802 |