CN108455773A - A kind of system and method for the industrially desulfurized waste water of processing - Google Patents
A kind of system and method for the industrially desulfurized waste water of processing Download PDFInfo
- Publication number
- CN108455773A CN108455773A CN201810321416.1A CN201810321416A CN108455773A CN 108455773 A CN108455773 A CN 108455773A CN 201810321416 A CN201810321416 A CN 201810321416A CN 108455773 A CN108455773 A CN 108455773A
- Authority
- CN
- China
- Prior art keywords
- water
- desulfurization wastewater
- regulating reservoir
- outlet
- enters
- 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.)
- Withdrawn
Links
- 239000002351 wastewater Substances 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 46
- 230000023556 desulfurization Effects 0.000 claims abstract description 46
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 38
- 239000012528 membrane Substances 0.000 claims abstract description 36
- 150000003839 salts Chemical class 0.000 claims abstract description 29
- 239000003513 alkali Substances 0.000 claims abstract description 23
- 239000002253 acid Substances 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 95
- 230000001105 regulatory effect Effects 0.000 claims description 44
- 239000000243 solution Substances 0.000 claims description 27
- 238000004062 sedimentation Methods 0.000 claims description 26
- 238000005273 aeration Methods 0.000 claims description 24
- 239000003814 drug Substances 0.000 claims description 22
- 238000001223 reverse osmosis Methods 0.000 claims description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 19
- 239000010802 sludge Substances 0.000 claims description 17
- 150000002500 ions Chemical class 0.000 claims description 16
- 238000005189 flocculation Methods 0.000 claims description 15
- 230000016615 flocculation Effects 0.000 claims description 15
- 229920005989 resin Polymers 0.000 claims description 15
- 239000011347 resin Substances 0.000 claims description 15
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 15
- 238000001728 nano-filtration Methods 0.000 claims description 14
- 238000005352 clarification Methods 0.000 claims description 11
- 229940079593 drug Drugs 0.000 claims description 11
- 230000008676 import Effects 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 7
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims description 6
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 claims description 6
- 229910001424 calcium ion Inorganic materials 0.000 claims description 6
- 229910001425 magnesium ion Inorganic materials 0.000 claims description 6
- 239000006228 supernatant Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 239000013049 sediment Substances 0.000 claims description 5
- 241000370738 Chlorion Species 0.000 claims description 4
- 239000000047 product Substances 0.000 claims description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 239000002585 base Substances 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 239000007800 oxidant agent Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 2
- 241000628997 Flos Species 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 238000009776 industrial production Methods 0.000 claims 1
- 238000012797 qualification Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000013505 freshwater Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 description 6
- 230000008020 evaporation Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 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
- C02F1/42—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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- 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
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
-
- 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
- C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
-
- 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
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
-
- 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
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/02—Softening water by precipitation of the hardness
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
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)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention discloses a kind of system and method for the industrially desulfurized waste water of processing, and the system for handling industrially desulfurized waste water includes by the sequentially connected desulfurization wastewater pretreatment unit of pipeline, divides salt enrichment facility and bipolar membrane device（Including salt room, sour room, alkali room）.System and method using the present invention carries out the processing of desulfurization wastewater, eliminates suspended matter, heavy metal and the COD in desulfurization wastewater；Fresh water after desulfurization wastewater concentration is back to industrial manufacture process section, and the soda acid of generation is used for this system and other techniques.The processing of desulfurization wastewater is carried out using this system, operation expense is low, reduces the processing cost of desulfurization wastewater, realizes low energy consumption, environmental protection, efficient effect.
Description
Technical field
The invention belongs to water-treatment technology fields, and in particular to a kind of system and method for the industrially desulfurized waste water of processing.
Background technology
The processing of current industrially desulfurized waste water is mainly with chemistry, mechanical means separating beavy metal and other precipitable objects
Matter, such as sulphite, sulfate and fluoride.It is useless that domestic existing typical desulphurization wastewater treatment method is all based on desulfurization and dedusting
The discharge characteristics of water is derived, and main there are two schemes：
Scheme one：Desulfurization wastewater uses flocculation sediment+softening+concentration+evaporation+crystallization
The program the problem is that：
1, occupation area of equipment is big, and Installed capital cost is very high, and ton water invests 3,500,000-400 ten thousand yuan/ton of water；
2, medicament and high energy consumption cause O＆M costly, about 300 yuan/ton of water of O＆M expense；
3, the disposal costs of evaporative crystallization product mixed salt are high；
4, divide sodium chloride, the sodium sulphate market value of salt output low, it is difficult to cost recovery.
Scheme two：Desulfurization wastewater passes through flocculation sediment+flue evaporation technology
The program the problem is that：
1, in the case of design improperly, flue fouling is serious；Flue flow field is complicated, and if design is improper, flying dust will produce viscous
On the wall, chlorion can cause heavy corrosion to being exposed to outer steel member for attached effect adherency；
2, the design of atomizer and the arrangement of nozzle influence evaporation effect big, the size of desulfurization wastewater concentration and atomized drop
Directly affect evaporation effect；
3, the burden of deduster is increased, while reducing fired coal combustion efficiency；It has higher requirements to desulfurization wastewater pretreatment, water
Middle SS quantity influences flue evaporation rotational flow atomizer very big；
4, treating capacity is small, about 2,600,000 yuan of ton water investment cost, about 130 yuan/ton of water of O＆M expense；Such as increase treating capacity, it need to be to being
System is redesigned；
5, the evaporation of desulfurization wastewater reduces smoke temperature, reduces the efficiency of combustion of boiler, increases coal-fired consumption；
6, desulfurization wastewater is not handled, can not reuse, do not meet the national policy of energy-saving and water-saving.
Invention content
Goal of the invention：Present invention aims in view of the deficiencies of the prior art, provide a kind of industrially desulfurized waste water of processing
System and method removes suspended matter, heavy metal and COD in desulfurization wastewater；Fresh water after desulfurization wastewater concentration is back to industry
The soda acid of production technology section, generation is used for this system.
Technical solution：The present invention provides a kind of systems of the industrially desulfurized waste water of processing, including are sequentially connected by pipeline
Desulfurization wastewater pretreatment unit, divide salt enrichment facility and bipolar membrane device；The desulfurization wastewater of industrially desulfurized system is useless with desulfurization
The import of water pre-treatment means connects.
Described point of salt enrichment facility includes that filtered water tank, nanofiltration divide salt device, high pressure reverse osmosis unit and resins exchange device；
Flow to by water-delivery pump that filtered water tank is spare, and filtered water tank water outlet divides salt device into nanofiltration, is receiving after the water outlet of second regulating reservoir is qualified
Filter divides the outlet of salt device to be divided into two-way, and the first via is the divalent ion solution based on sulfate radical, connects the first high pressure reverse osmosis
The concentrated water outlet of saturating device, the first high pressure reverse osmosis unit is connect with desulphurization system, water outlet and industrial manufacture process Duan Lian
It practices midwifery water reuse；Second tunnel is the monovalent ion solution based on chlorion, connects the second high pressure reverse osmosis unit, the second high pressure
The concentrated water outlet of reverse osmosis unit is connect with resins exchange device import, and water outlet is connect with industrial manufacture process section, produces water
Reuse.
The outlet of the resins exchange device is connect with the room import of bipolar membrane device salt；Sour room, the alkali room of bipolar membrane device
The sour case of outlet connection and alkali case, product are used for this system or/and other techniques.
The further preferred technical solution of the present invention is：The desulfurization wastewater pretreatment unit be disposed with primary sedimentation tank,
First regulating reservoir, electric flocculation device, softening aeration tank, filter device, the second regulating reservoir and sludge treatment device.
Further, the bipolar membrane device includes cathode, sour room, salt room, alkali room, anode, passes through Bipolar Membrane between each room
Partitioned arrangement.
Further, the sour case is connected to by acid circulating pump and pipeline with the sour room of the bipolar membrane device, described
Alkali case is connected to by alkali circulating pump and pipeline with the alkali room of the bipolar membrane device.
Further, the bottom of primary sedimentation tank is equipped with connection water inlet line, and water outlet, water outlet is arranged in primary sedimentation tank pool wall side
Mouth is connected by the first outlet conduit with the first regulating reservoir, and liquid level gauge is arranged in primary sedimentation tank.
Further, the first regulating reservoir peripheral hardware highly basic medicine system, chemical feeding points are arranged after waste water delivery pump, strong base solution
It is placed in the alkali case of bipolar membrane device outlet connection, lye is added to pipe-line mixer by drug feeding pipeline by dosing pump
In, desulfurization wastewater is premixed with lye in pipe-line mixer, and is added in the first regulating reservoir, and stirring is arranged in the first regulating reservoir
Machine is connected on the first regulating reservoir with electric flocculation device by the second outlet conduit, flowmeter is arranged on second outlet conduit
And regulating valve.
Further, electrode plate, strong oxidizer adding set and PH meters, going out after reaction are set in electric flocculation device
Outflux of the water Jing Guo electric flocculation enters softening aeration tank, softens aeration tank peripheral hardware sodium carbonate medicine system, and sodium carbonate liquor is put
It sets in outdoor sodium carbonate liquor case, sodium carbonate liquor is added to by dosing pump in pipe-line mixer by drug feeding pipeline,
Desulfurization wastewater is premixed with medicament in pipe-line mixer, and is added in softening aeration tank and is carried out softening clarification aeration；Softening exposes
Inclined tube clarifier is set in gas pond, flow enters inclined tube clarifier, and carries out cyclone filter, and the clear water after clarification passes through overflow
Mode overflows to the second overflow launder, and pump mouth is arranged in the second overflow launder top, and the water that overflow goes out enters filter device, filter device
Interior setting more medium filter is flowed into the second regulating reservoir by the filtered water of more medium filter.
Further, the second regulating reservoir peripheral hardware HCL medicine systems, strong acid solution are placed on bipolar membrane device outlet connection
In sour case, acid solution is added to by dosing pump in pipe-line mixer by drug feeding pipeline, and desulfurization wastewater is mixed with acid solution in pipeline
It premixes, and is added in the second regulating reservoir in device, setting agitating device, PH tables, transmissometer, conductivity table in the second regulating reservoir, together
When in the second regulating reservoir, sample tap is set, the parameters of water outlet are detected, by defeated after the water outlet of the second regulating reservoir is qualified
Water pump flows to demineralizer.
Further, the primary sedimentation tank, softening aeration tank, filter device bottom are respectively provided with mud discharging mouth, the dirt of generation
Mud connects sludge pipe by floss hole and enters sludge treatment device.
The present invention also provides the methods that the system using the industrially desulfurized waste water of processing handles desulfurization wastewater, including such as
Lower step：
1, desulfurization wastewater raw water enters primary sedimentation tank, carries out preliminary sedimentation；
2, primary sedimentation tank supernatant enters the first regulating reservoir, and sodium hydroxide is added in pond；
3, the alkaline aqueous solution mixed up enters electric flocculation device reaction, removal partial suspended thing, calcium ions and magnesium ions and heavy metal etc.；
4, the water outlet after reacting enters softening aeration tank, and sodium carbonate is added in pond, replaces calcium ions and magnesium ions；
5, softening aeration tank supernatant is after inclined tube clarification, cyclone filter, multi-medium filtering, the sediment of generation, sludge into
Enter desulphurization system filter press, the clear water of generation enters nanofiltration and divides salt device；
6, nanofiltration UF membrane monovalence, divalent ion；
7, divalent ion solution is handled into the first high pressure reverse osmosis unit, clear water reuse, and concentrated water returns to desulphurization system；
8, monovalent ion solution enters resins exchange device into the processing of the second high pressure reverse osmosis unit, clear water reuse, concentrated water, into
One step removes removing calcium and magnesium；
9, resins exchange device water outlet enters bipolar membrane device；
10, bipolar membrane device generates different soda acids, and carries out reuse.
Advantageous effect：The soda acid that the system of the industrially desulfurized waste water of processing of the present invention generates is back to this system, significantly
The use of industrial soda acid is reduced, this system circulating and recovering soda acid can be passed through；The divalent ion solution that this system generates enters
After high pressure reverse osmosis unit, concentrated water can come back to desulphurization system, and the fresh water handled through high pressure counter-infiltration system can be with reuse
To industrial manufacture process section.This system operation expense is low, reduces the processing cost of desulfurization wastewater, realizes low energy consumption, ring
It protects, efficient effect.
Description of the drawings
Fig. 1 is the structural schematic diagram that the present invention handles industrially desulfurized waste water system.
Fig. 2 is the process flow chart that industrially desulfurized waste water system is handled using the present invention.
Specific implementation mode
Technical solution of the present invention is described in detail below by attached drawing, but protection scope of the present invention is not limited to
The embodiment.
Embodiment 1：A kind of system of the industrially desulfurized waste water of processing, including located in advance by the sequentially connected desulfurization wastewater of pipeline
Reason device divides salt enrichment facility and bipolar membrane device；The desulfurization wastewater of industrially desulfurized system and desulfurization wastewater pretreatment unit
Import connects, and desulfurization wastewater pretreatment unit is disposed with primary sedimentation tank, the first regulating reservoir, electric flocculation device, softening clarification exposure
Gas pond, filter device, the second regulating reservoir and sludge treatment device.
The bottom of primary sedimentation tank is equipped with connection water inlet line, water outlet is arranged in primary sedimentation tank pool wall side, water outlet passes through the
One outlet conduit is connected with the first regulating reservoir, and liquid level gauge is arranged in primary sedimentation tank.
First regulating reservoir peripheral hardware highly basic medicine system, chemical feeding points are arranged after waste water delivery pump, and strong base solution is placed on double
In the alkali case of pole film device outlet connection, lye is added to by dosing pump in pipe-line mixer by drug feeding pipeline, and desulfurization is useless
Water is premixed with lye in pipe-line mixer, and is added in the first regulating reservoir, and blender is arranged in the first regulating reservoir, and first is adjusted
It is connected to electric flocculation device by the second outlet conduit on pond, flowmeter and regulating valve is set on the second outlet conduit.
Electrode plate, strong oxidizer adding set and PH meters are set in electric flocculation device, the water outlet after reaction is wadded a quilt with cotton by electricity
Solidifying outflux enters softening aeration tank, softens aeration tank peripheral hardware sodium carbonate medicine system, and sodium carbonate liquor is placed on outdoor
In sodium carbonate liquor case, sodium carbonate liquor is added to by dosing pump in pipe-line mixer by drug feeding pipeline, desulfurization wastewater with
Medicament premixes in pipe-line mixer, and is added in softening aeration tank and carries out softening clarification aeration；Softening is set tiltedly in aeration tank
Pipe clarifier, flow enters inclined tube clarifier, and carries out cyclone filter, and the clear water after clarification is overflowed to by overflow manner
Pump mouth is arranged in second overflow launder, the second overflow launder top, and the water that overflow goes out enters filter device, be situated between is arranged more in filter device
Mass filter is flowed into the second regulating reservoir by the filtered water of more medium filter.
Desulfurization wastewater enters primary sedimentation tank by sewage pump, and is premixed by pipe-line mixer, and desulfurization wastewater exists
Primary sedimentation tank bottom enters in pond, while sludge blowdown apparatus is arranged in primary sedimentation tank bottom, check valve is arranged on blow-off pipe, and lead to
It crosses sludge pump and enters sludge treatment device filter press.
Softening aeration tank, filter device bottom are respectively provided with sludge blowdown apparatus, check valve are arranged on blow-off pipe, and pass through
Sludge pump enters sludge treatment device filter press.
Second regulating reservoir peripheral hardware HCL medicine systems, strong acid solution are placed in the sour case of bipolar membrane device outlet connection, acid
Liquid is added to by dosing pump in pipe-line mixer by drug feeding pipeline, and desulfurization wastewater is premixed with acid solution in pipe-line mixer,
And be added in the second regulating reservoir, setting agitating device, PH tables, transmissometer, conductivity table in the second regulating reservoir, while being adjusted second
It saves pond and sample tap is set, the parameters of water outlet are detected, flow to and remove by water-delivery pump after the water outlet of the second regulating reservoir is qualified
Salt device.
Point salt enrichment facility includes that filtered water tank, nanofiltration divide salt device, high pressure reverse osmosis unit and resins exchange device；Second
It flows to by water-delivery pump that filtered water tank is spare, and filtered water tank water outlet divides salt device into nanofiltration after regulating reservoir water outlet is qualified, divides in nanofiltration
The outlet of salt device is divided into two-way, and the first via is the divalent ion solution based on sulfate radical, connects the reverse osmosis dress of the first high pressure
It sets, the concentrated water outlet of the first high pressure reverse osmosis unit is connect with desulphurization system, and water outlet connect production with industrial manufacture process section
Water reuse；Second tunnel is the monovalent ion solution based on chlorion, connects the second high pressure reverse osmosis unit, the second high pressure reverse osmosis
The concentrated water outlet of saturating device is connect with resins exchange device import, and water outlet is connect with industrial manufacture process section, produces water reuse；
Bipolar membrane device includes cathode, sour room, salt room, alkali room, anode, passes through Bipolar Membrane partitioned arrangement between each room.Resins exchange
The outlet of device is connect with the room import of bipolar membrane device salt；Sour room, the sour case of alkali room outlet connection and the alkali case of bipolar membrane device, acid
Case is connected to by acid circulating pump and pipeline with the sour room of bipolar membrane device, and alkali case passes through alkali circulating pump and pipeline and bipolar membrane device
Alkali room connection, product uses for this system and other techniques.
Embodiment 2：The method that desulfurization wastewater is handled using the system of the industrially desulfurized waste water of processing of the present invention
1, desulfurization wastewater raw water enters primary sedimentation tank, carries out preliminary sedimentation；
2, primary sedimentation tank supernatant enters the first regulating reservoir, and sodium hydroxide is added in pond；
3, the alkaline aqueous solution mixed up enters electric flocculation device reaction, removal partial suspended thing, calcium ions and magnesium ions and heavy metal etc.；
4, the water outlet after reacting enters softening aeration tank, and sodium carbonate is added in pond, replaces calcium ions and magnesium ions；
5, softening aeration tank supernatant is after inclined tube clarification, cyclone filter, multi-medium filtering, the sediment of generation, sludge into
Enter desulphurization system filter press, the clear water of generation enters nanofiltration and divides salt device；
6, nanofiltration UF membrane monovalence divalent ion；
7, divalent ion solution is handled into the first high pressure reverse osmosis unit, clear water reuse, and concentrated water returns to desulphurization system；
8, monovalent ion solution enters resins exchange device, goes into the processing of the second high pressure reverse osmosis unit, clear water reuse, concentrated water
Removing calcium and magnesium；
9, resins exchange device water outlet enters bipolar membrane device；
10, bipolar membrane device generates different soda acids, and carries out reuse.
As described above, although the present invention has been indicated and described with reference to specific preferred embodiment, must not explain
For the limitation to invention itself.It without prejudice to the spirit and scope of the invention as defined in the appended claims, can be right
Various changes can be made in the form and details for it.
Claims (10)
1. a kind of system of the industrially desulfurized waste water of processing, it is characterised in that：Including pre- by the sequentially connected desulfurization wastewater of pipeline
Processing unit divides salt enrichment facility and bipolar membrane device；The desulfurization wastewater of industrially desulfurized system and desulfurization wastewater pretreatment unit
Import connection；
Described point of salt enrichment facility includes that filtered water tank, nanofiltration divide salt device, high pressure reverse osmosis unit and resins exchange device；It is described
It is spare that by water-delivery pump filtered water tank is flowed to after the water outlet qualification of desulfurization wastewater pretreatment unit, and filtered water tank water outlet divides salt into nanofiltration
Device divides the outlet of salt device to be divided into two-way in nanofiltration, and the first via is the divalent ion solution based on sulfate radical, connection first
The concentrated water outlet of high pressure reverse osmosis unit, the first high pressure reverse osmosis unit is connect with desulphurization system, water outlet and industrial production
Process section connection production water reuse；Second tunnel is the monovalent ion solution based on chlorion, connects the second high pressure reverse osmosis unit,
The concentrated water outlet of second high pressure reverse osmosis unit is connect with resins exchange device import, water outlet and industrial manufacture process Duan Lian
It connects, produces water reuse；
The outlet of the resins exchange device is connect with the room import of bipolar membrane device salt；The sour room of bipolar membrane device, alkali room outlet
The sour case of connection and alkali case, product are used for this system or/and other techniques.
2. the system of the industrially desulfurized waste water of processing according to claim 1, it is characterised in that：The desulfurization wastewater pretreatment
Device includes sequentially connected primary sedimentation tank, the first regulating reservoir, electric flocculation device, softening aeration tank, filter device, the second regulating reservoir
And sludge treatment device.
3. the system of the industrially desulfurized waste water of processing according to claim 1, it is characterised in that：The bipolar membrane device includes
Cathode, sour room, salt room, alkali room, anode pass through Bipolar Membrane partitioned arrangement between each room.
4. the system of the industrially desulfurized waste water of processing according to claim 3, it is characterised in that：The acid case is recycled by acid
Pump and pipeline are connected to the sour room of the bipolar membrane device, and the alkali case passes through alkali circulating pump and pipeline and the bipolar membrane device
Alkali room connection.
5. the system of the industrially desulfurized waste water of processing according to claim 2, it is characterised in that：The bottom of primary sedimentation tank, which is equipped with, to be connected
Waterpipe is tapped into, water outlet is set in primary sedimentation tank pool wall side, water outlet is connected by the first outlet conduit with the first regulating reservoir,
Liquid level gauge is arranged in primary sedimentation tank.
6. the system of the industrially desulfurized waste water of processing according to claim 5, it is characterised in that：First regulating reservoir peripheral hardware highly basic
Medicine system, chemical feeding points are arranged after waste water delivery pump, and strong base solution is placed in the alkali case of bipolar membrane device outlet connection, alkali
Liquid is added to by dosing pump in pipe-line mixer by drug feeding pipeline, and desulfurization wastewater is premixed with lye in pipe-line mixer,
And be added in the first regulating reservoir, blender is set in the first regulating reservoir, is wadded a quilt with cotton by the second outlet conduit and electricity on the first regulating reservoir
Solidifying device is connected to, setting flowmeter and regulating valve on second outlet conduit.
7. the system of the industrially desulfurized waste water of processing according to claim 6, it is characterised in that：Electrode is set in electric flocculation device
Plate, strong oxidizer adding set and PH meters, the water outlet after reaction enters softening aeration tank by electric flocculation outflux, soft
Change aeration tank peripheral hardware sodium carbonate medicine system, sodium carbonate liquor is placed in outdoor sodium carbonate liquor case, and sodium carbonate liquor is logical
It crosses drug feeding pipeline to be added in pipe-line mixer by dosing pump, desulfurization wastewater is premixed with medicament in pipe-line mixer, and is added
Enter into softening aeration tank to carry out softening clarification aeration；Inclined tube clarifier is set in softening aeration tank, flow enters inclined tube clarification
Device, and cyclone filter is carried out, the clear water after clarification overflows to the second overflow launder by overflow manner, and the second overflow launder top is set
Pump mouth is set, the water that overflow goes out enters filter device, more medium filter is arranged in filter device, by more medium filter mistake
Water after filter is flowed into the second regulating reservoir.
8. the system of the industrially desulfurized waste water of processing according to claim 7, it is characterised in that：Second regulating reservoir peripheral hardware HCL
Medicine system, strong acid solution are placed in the sour case of bipolar membrane device outlet connection, and acid solution passes through dosing pump by drug feeding pipeline
It is added in pipe-line mixer, desulfurization wastewater is premixed with acid solution in pipe-line mixer, and is added in the second regulating reservoir, and second adjusts
Setting agitating device, PH tables, transmissometer, conductivity table in pond are saved, while sample tap is set in the second regulating reservoir, to each of water outlet
Item parameter is detected, and demineralizer is flowed to by water-delivery pump after the water outlet of the second regulating reservoir is qualified.
9. the system of the industrially desulfurized waste water of processing according to claim 8, it is characterised in that：The primary sedimentation tank, softening expose
Gas pond, filter device bottom are respectively provided with mud discharging mouth, and the sludge of generation connects sludge pipe by floss hole and enters Treatment of Sludge
Equipment.
10. a kind of method that system using the industrially desulfurized waste water of processing described in claim 1 handles desulfurization wastewater, feature
It is, includes the following steps：
（1）Desulfurization wastewater raw water enters primary sedimentation tank, carries out preliminary sedimentation；
（2）Primary sedimentation tank supernatant enters the first regulating reservoir, and sodium hydroxide is added in pond；
（3）The alkaline aqueous solution mixed up enters electric flocculation device reaction, removal partial suspended thing, calcium ions and magnesium ions and heavy metal etc.；
（4）Water outlet after reaction enters softening aeration tank, and sodium carbonate is added in pond, replaces calcium ions and magnesium ions；
（5）Soften aeration tank supernatant after inclined tube clarification, cyclone filter, multi-medium filtering, the sediment of generation, sludge into
Enter desulphurization system filter press, the clear water of generation enters nanofiltration and divides salt device；
（6）Nanofiltration UF membrane monovalence, divalent ion；
（7）Divalent ion solution returns to desulphurization system into the processing of the first high pressure reverse osmosis unit, clear water reuse, concentrated water；
（8）Monovalent ion solution enters resins exchange device into the processing of the second high pressure reverse osmosis unit, clear water reuse, concentrated water,
Further remove removing calcium and magnesium；
（9）The water outlet of resins exchange device enters bipolar membrane device；
（10）Bipolar membrane device generates different soda acids, and carries out reuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810321416.1A CN108455773A (en) | 2018-04-11 | 2018-04-11 | A kind of system and method for the industrially desulfurized waste water of processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810321416.1A CN108455773A (en) | 2018-04-11 | 2018-04-11 | A kind of system and method for the industrially desulfurized waste water of processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108455773A true CN108455773A (en) | 2018-08-28 |
Family
ID=63235320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810321416.1A Withdrawn CN108455773A (en) | 2018-04-11 | 2018-04-11 | A kind of system and method for the industrially desulfurized waste water of processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108455773A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108975570A (en) * | 2018-09-19 | 2018-12-11 | 南京友智科技有限公司 | A kind of device and method handling industrially desulfurized waste water using stack gases |
| CN111099773A (en) * | 2018-10-29 | 2020-05-05 | 国家能源投资集团有限责任公司 | Desulfurization wastewater treatment method and system |
| CN111268831A (en) * | 2018-12-05 | 2020-06-12 | 绍兴齐英膜科技有限公司 | Method for preparing acid and alkali from anion mixed salt wastewater |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204237650U (en) * | 2014-10-21 | 2015-04-01 | 上海博丹环境工程技术有限公司 | A kind of light trigger produces alkaline hydrolysis workshop section high-concentration salt-containing wastewater treatment system |
| CN105254084A (en) * | 2015-11-13 | 2016-01-20 | 北京国电富通科技发展有限责任公司 | Desulfurization waste water bipolar membrane electrodialysis treatment method and device |
| CN105540930A (en) * | 2016-01-14 | 2016-05-04 | 海博伦（苏州）环境科技股份有限公司 | Power plant desulphurization wastewater zero-discharge treatment system |
| WO2017037254A1 (en) * | 2015-09-04 | 2017-03-09 | Thyssenkrupp Industrial Solutions Ag | Method for treating industrial wastewater containing organic compounds |
| CN106946395A (en) * | 2017-05-09 | 2017-07-14 | 北京天地人环保科技有限公司 | A kind of method and device of desulfurization wastewater sub-prime crystallization treatment |
| CN107311350A (en) * | 2017-08-17 | 2017-11-03 | 长兴上拓环境科技有限公司 | A kind of recycling treatment process of thermal power plant desulfurization wastewater |
| CN206635156U (en) * | 2017-04-18 | 2017-11-14 | 中国电力工程顾问集团华北电力设计院有限公司 | Heat-engine plant desulfurized wastewater zero discharge recycling reclaiming system |
| CN107364994A (en) * | 2017-08-23 | 2017-11-21 | 南京友智科技有限公司 | A kind of method for treating desulfurized wastewater and system |
| CN208345942U (en) * | 2018-04-11 | 2019-01-08 | 南京友智科技有限公司 | A kind of system handling industrially desulfurized waste water |
-
2018
- 2018-04-11 CN CN201810321416.1A patent/CN108455773A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204237650U (en) * | 2014-10-21 | 2015-04-01 | 上海博丹环境工程技术有限公司 | A kind of light trigger produces alkaline hydrolysis workshop section high-concentration salt-containing wastewater treatment system |
| WO2017037254A1 (en) * | 2015-09-04 | 2017-03-09 | Thyssenkrupp Industrial Solutions Ag | Method for treating industrial wastewater containing organic compounds |
| CN105254084A (en) * | 2015-11-13 | 2016-01-20 | 北京国电富通科技发展有限责任公司 | Desulfurization waste water bipolar membrane electrodialysis treatment method and device |
| CN105540930A (en) * | 2016-01-14 | 2016-05-04 | 海博伦（苏州）环境科技股份有限公司 | Power plant desulphurization wastewater zero-discharge treatment system |
| CN206635156U (en) * | 2017-04-18 | 2017-11-14 | 中国电力工程顾问集团华北电力设计院有限公司 | Heat-engine plant desulfurized wastewater zero discharge recycling reclaiming system |
| CN106946395A (en) * | 2017-05-09 | 2017-07-14 | 北京天地人环保科技有限公司 | A kind of method and device of desulfurization wastewater sub-prime crystallization treatment |
| CN107311350A (en) * | 2017-08-17 | 2017-11-03 | 长兴上拓环境科技有限公司 | A kind of recycling treatment process of thermal power plant desulfurization wastewater |
| CN107364994A (en) * | 2017-08-23 | 2017-11-21 | 南京友智科技有限公司 | A kind of method for treating desulfurized wastewater and system |
| CN208345942U (en) * | 2018-04-11 | 2019-01-08 | 南京友智科技有限公司 | A kind of system handling industrially desulfurized waste water |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108975570A (en) * | 2018-09-19 | 2018-12-11 | 南京友智科技有限公司 | A kind of device and method handling industrially desulfurized waste water using stack gases |
| CN111099773A (en) * | 2018-10-29 | 2020-05-05 | 国家能源投资集团有限责任公司 | Desulfurization wastewater treatment method and system |
| CN111268831A (en) * | 2018-12-05 | 2020-06-12 | 绍兴齐英膜科技有限公司 | Method for preparing acid and alkali from anion mixed salt wastewater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105060545B (en) | A kind of system and method for sofening treatment Desulphurization for Coal-fired Power Plant waste water | |
| US20210261447A1 (en) | Treatment system and treatment process for removing hardness, silicon, and turbidity from wastewater having high salt concentration | |
| CN109928560A (en) | A kind of zero emission treatment of desulfured waste water and processing unit | |
| CN105174580A (en) | Desulphurization waste-water zero discharge processing system and technology | |
| CN109851139B (en) | High-salt wastewater softening and concentrating device and method | |
| CN108218072A (en) | Haline water alkali-making process and its device | |
| CN107364994A (en) | A kind of method for treating desulfurized wastewater and system | |
| CN103553246A (en) | Device and method for softening hard water by using carbon dioxide in flue gas | |
| CN108455773A (en) | A kind of system and method for the industrially desulfurized waste water of processing | |
| CN205241427U (en) | Desulfurization wastewater treatment system | |
| CN204874164U (en) | Zero release processing system of desulfurization waste water | |
| CN111072112A (en) | Wastewater treatment method and system for zero discharge of desulfurization wastewater | |
| CN208345942U (en) | A kind of system handling industrially desulfurized waste water | |
| CN112573720A (en) | Thermal power plant desulfurization wastewater zero-discharge system and method | |
| CN207175661U (en) | A kind of desulfurization wastewater treatment system | |
| CN207943967U (en) | Electrolytic manganese ammonia nitrogen waste water processing system | |
| CN207121501U (en) | A kind of hardness removing device suitable for the hard waste water of high magnesium | |
| CN207792904U (en) | A kind of green energy conservation desulfurization wastewater treatment system | |
| CN206901925U (en) | The device of novel desulphurization wastewater treatment | |
| CN215559437U (en) | Wastewater treatment system | |
| CN215559636U (en) | Wastewater treatment system | |
| CN211871651U (en) | Liquid crystal display panel manufacturing plant fluorine-containing wastewater treatment device | |
| CN211896396U (en) | Acidic heavy metal wastewater treatment device | |
| CN208378594U (en) | A kind of wet type desulfurizing slurries processing unit | |
| CN209721843U (en) | High-salt wastewater softening and enrichment facility |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180828 |
|
| WW01 | Invention patent application withdrawn after publication |