CN107055907A - A kind of GTCC power plant wastewater zero discharge processing unit and handling process - Google Patents
A kind of GTCC power plant wastewater zero discharge processing unit and handling process Download PDFInfo
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- CN107055907A CN107055907A CN201710289870.9A CN201710289870A CN107055907A CN 107055907 A CN107055907 A CN 107055907A CN 201710289870 A CN201710289870 A CN 201710289870A CN 107055907 A CN107055907 A CN 107055907A
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- 239000002351 wastewater Substances 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 119
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 104
- 238000006243 chemical reaction Methods 0.000 claims abstract description 30
- 238000001471 micro-filtration Methods 0.000 claims abstract description 29
- 238000002425 crystallisation Methods 0.000 claims abstract description 24
- 230000008025 crystallization Effects 0.000 claims abstract description 24
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 24
- 238000000151 deposition Methods 0.000 claims abstract description 23
- 238000007654 immersion Methods 0.000 claims abstract description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 14
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 238000001704 evaporation Methods 0.000 claims abstract description 14
- 230000008020 evaporation Effects 0.000 claims abstract description 14
- 239000010908 plant waste Substances 0.000 claims abstract description 14
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 22
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 239000003513 alkali Substances 0.000 claims description 12
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 11
- 239000010802 sludge Substances 0.000 claims description 9
- 238000001764 infiltration Methods 0.000 claims description 7
- 230000000844 anti-bacterial effect Effects 0.000 claims description 4
- 239000003899 bactericide agent Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 238000005189 flocculation Methods 0.000 claims description 4
- 230000016615 flocculation Effects 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 2
- 230000008595 infiltration Effects 0.000 claims 1
- 230000035699 permeability Effects 0.000 claims 1
- 238000004064 recycling Methods 0.000 claims 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 4
- 208000028659 discharge Diseases 0.000 description 18
- 238000011084 recovery Methods 0.000 description 9
- 239000000498 cooling water Substances 0.000 description 8
- 150000003839 salts Chemical class 0.000 description 5
- 238000006477 desulfuration reaction Methods 0.000 description 4
- 230000023556 desulfurization Effects 0.000 description 4
- 230000003134 recirculating effect Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000003643 water by type Substances 0.000 description 3
- 238000009388 chemical precipitation Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000001728 nano-filtration Methods 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical class O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229940079827 sodium hydrogen sulfite Drugs 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 239000000725 suspension Substances 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/048—Purification of waste water by evaporation
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
- 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
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
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 provides a kind of GTCC power plant wastewater zero discharge processing unit and handling process, adapt to that GTCC power plant waste water water is larger, water quality relatively preferably, waste water be the characteristics of can not dissolve, its simple system, advantage of lower cost, treatment effect preferably, can make GTCC power plant that zero-emission is fully achieved.GTCC power plant waste water sequentially passes through depositing reservoir, balancing tank, self-cleaning filter, immersion ultrafiltration apparatus, active carbon filter, cartridge filter, the processing of first order reverse osmosis unit；The concentrated water of first order reverse osmosis unit sequentially passes through reaction tank, concentration basin, tubular type micro-filtration processing dress, the processing of second level reverse osmosis unit after being mixed with the reverse osmosis concentrated water in boiler of power plant makeup Water System；The concentrated water of second level reverse osmosis unit sends into SWRO reverse osmosis units after being mixed with the reverse osmosis concentrated water in boiler of power plant makeup Water System；The concentrated water feeding function of mechanical steam recompression evaporation and crystallization system of SWRO reverse osmosis units is evaporated crystallization, finally realizes zero-emission.
Description
Technical field
The present invention relates to a kind of GTCC power plant wastewater zero discharge processing unit and handling process.
Background technology
As country is more and more stricter to atmospheric emission standard, the installed capacity of developed area GTCC power plant is increasingly
Greatly.GTCC power plant is industrial water rich and influential family, and wastewater discharge is huge, exists in Wastewater Form Circulating Cooling Water, boiler feed water system and changes
The waste water such as concentrated water and ion-exchange resin regenerated waste water, boiler blowdown water, sanitary sewage is learned, wastewater discharge is larger, but combustion engine
Power plant does not have defeated coal, ash disposal and desulphurization system, it is impossible to by waste water cascade utilization, and waste water digestion capability is greatly reduced, therefore for
The GTCC power plant of developed area is faced with larger discharge of wastewater pressure.It is useless currently for coal-burning power plant, particularly desulfurization
The amount discharging processing device of water is more and more, and the rare research of the waste water of many GTCC power plants.
The a large amount of waste water of GTCC power plant are mainly Wastewater Form Circulating Cooling Water, reverse osmosis concentrated water, almost heavy metal free in its water quality, and
Suspension is relatively low, water quality is limpid, but water is larger, generally higher than 300m3/ h, and salt content is higher, particularly hardness is higher, knot
Dirt tendency is larger, has a strong impact on Normal wastewater processing equipment.Therefore, GTCC power plant big yield high rigidity high salinity waste water is opened
Zero emission device seems more necessary.
The Chinese patent of Application No. 201620802893.6 is disclosed one kind and taken off using low-temperature atmosphere-pressure evaporative crystallization
Sulphur Wastewater zero-discharge treatment system, using TMF+ active carbon filters+nanofiltration point salt+SWRO counter-infiltration+DTRO counter-infiltrations+CWT
Evaporation and crystallization system；The Chinese patent of Application No. 201620253625.3 discloses a kind of full embrane method to desulfurization wastewater depth
UF membrane combination Zero discharging system is managed, TMF+NF+SWRO+DTRO is used, it is directed to the desulfurization wastewater of coal-burning power plant, uses
Nanofiltration to monovalent ion has carried out a point salt treatment；This technique is that waste water is introduced directly into TMF systems, and has used DTRO reverse osmosis
Row concentration decrement treatment is penetrated into, cost of investment is higher, mainly for waste water quality is severe, the poor salt content of water quality is higher, TDS bases
This is less in more than 10000mg/L, water（Desulfurization wastewater water is few, only 5~20m3/h）Situation, be unsuitable to apply to combustion engine electricity
Factory's big yield, below salt content 10000mg/L waste water.
The Chinese patent of Application No. 201520829731.7 discloses a kind of big yield power plant effluent zero discharge treatment dress
Put, using mechanical accelerating purifying pool+immersion ultrafiltration+multi-stage reverse osmosis（Including common RO, DTRO, STRO）+ crystal system, should
The advantage of system can handle big flow waste water, but the characteristics of for GTCC power plant waste water, hardness is higher, is only adopted using this device
Hardness is removed with the method for chemical precipitation and machinery precipitation, chemical precipitation and machinery precipitation can only be removed and a small amount of hardness, especially
It is that, by the concentrated water after reverse osmosis concentration, its hardness is doubled and redoubled, causes follow-up counter-infiltration fouling serious, equipment can not be run.
The content of the invention
It is an object of the invention to overcome above shortcomings in the prior art, and provide a kind of combustion engine reasonable in design
Power plant effluent zero discharge treatment device and handling process, adapt to that GTCC power plant waste water water is larger, water quality relatively preferably, waste water without
The characteristics of method is dissolved, its simple system, advantage of lower cost, treatment effect preferably, can make GTCC power plant that zero-emission is fully achieved
Put.
The present invention the used technical scheme that solves the above problems is：A kind of GTCC power plant wastewater zero discharge processing unit,
It is characterized in that：Including depositing reservoir, balancing tank, self-cleaning filter, immersion ultrafiltration apparatus, active carbon filter, No. one
Cartridge filter, first order reverse osmosis unit, reaction tank, concentration basin, tubular type micro-filtration processing unit, second level reverse osmosis unit,
SWRO reverse osmosis units, function of mechanical steam recompression evaporation and crystallization system, alkali dosing tank and sodium carbonate dosing tank；Depositing reservoir and regulation
Pond is connected；Balancing tank is connected with self-cleaning filter；Self-cleaning filter is connected with immersion ultrafiltration apparatus；Immersion surpasses
The production water out of filter device is connected with active carbon filter；Active carbon filter is connected with a cartridge filter；A number security personnel
Filter is connected with first order reverse osmosis unit；The concentrated water outlet of first order reverse osmosis unit is connected with reaction tank；Reaction tank
Overfall is connected with concentration basin；Concentration basin is connected with tubular type micro-filtration processing unit；Tubular type micro-filtration processing unit go out water out with
Second level reverse osmosis unit connection；The concentrated water of second level reverse osmosis unit is exported by being connected with SWRO reverse osmosis units；SWRO
The concentrated water outlet of reverse osmosis unit is connected with function of mechanical steam recompression evaporation and crystallization system；Reaction tank respectively with alkali dosing tank and carbon
Sour sodium dosing tank connection.
The backwash drain outlet of immersion ultrafiltration apparatus of the present invention is connected with depositing reservoir.
Present invention additionally comprises a feed pump, a cartridge filter passes through to a water pump and first order reverse osmosis unit
Connection.
Present invention additionally comprises No. two cartridge filters, the water out that goes out of tubular type micro-filtration processing unit is filled with second level counter-infiltration
Provided with No. two cartridge filters between putting, the water out that goes out of tubular type micro-filtration processing unit is connected with No. two cartridge filters, No. two
Cartridge filter is connected with second level reverse osmosis unit.
Present invention additionally comprises sludge pump, concentration basin is connected with sludge pump.
Present invention additionally comprises recirculation pump, tubular type micro-filtration processing unit is connected by recirculation pump with concentration basin.
The backwash drain outlet of immersion ultrafiltration apparatus of the present invention is connected by rhone with depositing reservoir.
A kind of handling process of GTCC power plant wastewater zero discharge processing unit, it is characterised in that：Step is as follows：GTCC power plant
Waste water is directly entered after depositing reservoir processing carries out water quality adjustment through toning economizing basin, then passes sequentially through self-cleaning filter, submergence
Formula ultrafiltration apparatus, active carbon filter, a cartridge filter are carried out after filtration treatment, at first order reverse osmosis unit
Reason；The concentrated water of first order reverse osmosis unit sends into reaction tank after being mixed with the reverse osmosis concentrated water in boiler of power plant makeup Water System,
Pass sequentially through reaction tank, concentration basin and the processing of tubular type micro-filtration processing unit；The concentrated water feeding second level of tubular type micro-filtration processing unit
Reverse osmosis unit proceeds concentration；The concentrated water of second level reverse osmosis unit with it is reverse osmosis concentrated in boiler of power plant makeup Water System
SWRO reverse osmosis units are sent into after water mixing, the concentration of SWRO reverse osmosis units is continued through；The concentrated water of SWRO reverse osmosis units is sent
Enter function of mechanical steam recompression evaporation and crystallization system and be evaporated crystallization, finally realize this GTCC power plant wastewater zero discharge.
Ultrafiltration water tank in the production water feeding boiler feed water system of first order reverse osmosis unit of the present invention.
Flocculant and flocculation aid are added in depositing reservoir of the present invention；Bactericide is added in balancing tank, and adds acid for adjusting pH；The
Antisludging agent is added in first-stage reverse osmosis device and second level reverse osmosis unit；It is 11.5-13 that pH is controlled in reaction tank；When water quality compared with
When poor, active carbon powder is added in concentration basin, under normal circumstances without addition；Add alkali and sodium carbonate in reaction tank.
Invention compared with prior art, with advantages below and effect：Present invention processing water is in 350 m3/
More than h, is 2000mg/L ~ 6000mg/L mainly for processing waste water TDS；This invention ensures that at GTCC power plant waste water big yield
Reason, while having handled GTCC power plant Wastewater Form Circulating Cooling Water and reverse osmosis concentrated water by the high rigidity waste water after concentration, does not set to film
It is standby to cause fouling, it is ensured that the safe and stable operation of equipment, it is to avoid destruction of the GTCC power plant waste water to local environment, solution
GTCC power plant waste water of having determined does not allow outer row's problem.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is the structural representation of the embodiment of the present invention 1.
Embodiment
Below in conjunction with the accompanying drawings and the present invention is described in further detail by embodiment, following examples are to this hair
Bright explanation and the invention is not limited in following examples.
Embodiment 1：
Referring to Fig. 1 and Fig. 2, the present embodiment GTCC power plant wastewater zero discharge processing unit includes depositing reservoir 1, chemicals dosing plant 2, regulation
Pond 3, self-cleaning filter 4, immersion ultrafiltration apparatus 5, active carbon filter 6, cartridge filter 7, a feed pump
8th, first order reverse osmosis unit 9, reaction tank 11, alkali dosing tank 12, sodium carbonate dosing tank 13, concentration basin 14, sludge pump 15, tubular type
Micro-filtration processing unit 16, recirculation pump 17, No. two cartridge filters 18, No. two feed pumps 19, second level reverse osmosis unit 20, height
Press pump 22, SWRO reverse osmosis units 23 and function of mechanical steam recompression evaporation and crystallization system 24.
Depositing reservoir 1 is mechanical accelerating purifying pool, and it, which is exported, installs nephelometer.
Chemicals dosing plant 2 is connected with depositing reservoir 1, and chemicals dosing plant 2 is used for adding flocculant and flocculation aid for depositing reservoir 1.
Depositing reservoir 1 is connected with balancing tank 3, and bactericide is added in balancing tank 3.
Balancing tank 3 is connected with self-cleaning filter 4.
Self-cleaning filter 4 is directly connected with immersion ultrafiltration apparatus 5.
The backwash drain outlet of immersion ultrafiltration apparatus 5 is connected by rhone with depositing reservoir 1, production water out and activated carbon
Filter 6 is connected.Immersion ultrafiltration apparatus 5 has flow on-line checking meter.
Active carbon filter 6 is connected with a cartridge filter 7.
A number cartridge filter 7 is connected by a feed pump 8 with first order reverse osmosis unit 9.
The production water out of first order reverse osmosis unit 9 is connected with the ultrafiltration water tank in boiler of power plant makeup Water System 10, production
Water circulation is to boiler feed water system 10；The concentrated water outlet of first order reverse osmosis unit 9 is connected with reaction tank 11.
Reaction tank 11 is connected with alkali dosing tank 12 and sodium carbonate dosing tank 13 respectively, by alkali dosing tank 12 to reaction tank 11
In plus alkali, by sodium carbonate dosing tank 13 into reaction tank 11 plus sodium carbonate.
The top of reaction tank 11 sets overfall, and the overfall at the top of reaction tank 11 is connected with concentration basin 14, reaction tank
After 11 fully react, concentration basin 14 is entered by overfall, it is ensured that calcium ion, magnesium ion in water react completely, production precipitation.
Reaction tank 11 installs pH meters.
Concentration basin 14 is connected with sludge pump 15, the sludge discharge in time processing for enabling concentration basin 14 to concentrate.
Concentration basin 14 is connected with tubular type micro-filtration processing unit 16.
Tubular type micro-filtration processing unit 16 is connected by recirculation pump 17 with concentration basin 14.Recirculation pump 17 circulates for tubular membrane
Pump, it is ensured that the production of tubular type micro-filtration processing unit 16 water hardness meets the requirements.
The water out that goes out of tubular type micro-filtration processing unit 16 is connected with second level reverse osmosis unit 20.In the present embodiment, tubular type
Going out for micro-filtration processing unit 16 is provided with No. two cartridge filters 18, tubular type micro-filtration between water out and second level reverse osmosis unit 20
The water out that goes out of processing unit 16 is connected with No. two cartridge filters 18, and No. two cartridge filters 18 pass through No. two feed pumps 19 again
It is connected with second level reverse osmosis unit 20.
The production water out of second level reverse osmosis unit 20 is connected with boiler of power plant recirculating cooling water system 21, produces Water circulation；
The concentrated water outlet of second level reverse osmosis unit 20 is connected by 6kV high-pressure pump 22 with SWRO reverse osmosis units 23.
The production water out of SWRO reverse osmosis units 23 is connected with boiler of power plant recirculating cooling water system 21, produces Water circulation；
The concentrated water outlet of SWRO reverse osmosis units 23 is connected with function of mechanical steam recompression evaporation and crystallization system 24.
Milipore filter, reverse osmosis membrane, tube type filter membrance and SWRO films share a set of cleaning device, and GTCC power plant has peak regulation
Characteristic, when shutting down, each film device in the present invention can injected slurry volume content about 1% sodium hydrogensulfite, protection membranous system is stable
Operation.
A kind of handling process of GTCC power plant wastewater zero discharge processing unit, step is as follows：
The GTCC power plant waste water such as Wastewater Form Circulating Cooling Water, boiler blowdown water is directly entered depositing reservoir 1, first passes through depositing reservoir 1 and removes and hangs
Float and part hardness, activated silica etc., then carry out water quality adjustment, then pass through self-cleaning filter 4, leaching by balancing tank 3
Do not have formula ultrafiltration apparatus 5, active carbon filter 6, a cartridge filter 7 to carry out after filtration treatment, entered by a feed pump 8
First order reverse osmosis unit 9 is handled.The backwash draining of immersion ultrafiltration apparatus 5 enters depositing reservoir 1 by tank.
Because the concentrated water of first order reverse osmosis unit 9 is by having high rigidity after concentration, its hardness concentrates four times, easy fouling
Tendency is very serious, is easily caused the fouling of second level reverse osmosis unit 20, causes second level reverse osmosis unit 20 not run, therefore
Reaction tank is sent into after the concentrated water of first order reverse osmosis unit 9 is mixed with the reverse osmosis concentrated water in boiler of power plant makeup Water System 10
11, the hardness being made up of reaction tank 11, concentration basin 14 and tubular type micro-filtration processing unit 16 removes structure and removes hardness etc., always
Hardness clearance is about more than 99.5%.It is super in the production water feeding boiler of power plant makeup Water System 10 of first order reverse osmosis unit 9
Water filtering tank.The sludge that concentration basin 14 is produced is handled by the discharge of sludge pump 15.
The concentrated water of tubular type micro-filtration processing unit 16 first passes through No. two cartridge filters 18 and filtered, then is sent by No. two feed pumps 19
Enter second level reverse osmosis unit 20 and proceed concentration.
After the concentrated water of second level reverse osmosis unit 20 is mixed with the reverse osmosis concentrated water in boiler of power plant makeup Water System 10, by
The feeding SWRO of high-pressure pump 22 reverse osmosis units 23, continue through SWRO reverse osmosis units 23 and concentrate.Second level reverse osmosis unit 20
Production water enter recirculating cooling water system 21.
The concentrated water feeding function of mechanical steam recompression evaporation and crystallization system 24 of SWRO reverse osmosis units 23 is evaporated crystallization, most
This GTCC power plant wastewater zero discharge is realized eventually.The production water of SWRO reverse osmosis units 23 enters recirculating cooling water system 21.
Crystallization is evaporated using function of mechanical steam recompression evaporation and crystallization system 24, with invest relatively low, energy consumption it is small,
Stable the features such as.
In above-mentioned handling process, flocculant and flocculation aid are added in depositing reservoir 1；Bactericide is added in balancing tank 3, and is added
Acid for adjusting pH；Antisludging agent is added in first order reverse osmosis unit 9 and second level reverse osmosis unit 20；The pH is controlled to be in reaction tank 11
11.5-13, when water quality is poor, active carbon powder is added in concentration basin 14, under normal circumstances without addition；Add in reaction tank 11
Alkali and sodium carbonate.
After having used pretreatment to remove hardness, added after by first order reverse osmosis unit 9 plus alkali and sodium carbonate
And tubular type micro-filtration processing unit 16 is handled, second level reverse osmosis unit 20 and SWRO counter-infiltrations are passed through again after removing waste water hardness
Device 23 is handled, and can guarantee that the stable operation of equipment.
Embodiment 2：
This uses the GTCC power plant wastewater zero discharge processing unit of embodiment 1 to the present embodiment, and GTCC power plant waste water water is
450m3/ h, TDS are 2000mg/L.Handled by immersion ultrafiltration apparatus 5 and first order reverse osmosis unit 9, the rate of recovery is 75%,
The m of the concentrated water of first order reverse osmosis unit 9 about 112.53/ h, concentrated water TDS are 8000mg/L.At the concentration of second level reverse osmosis unit 20
After reason, the rate of recovery is 75% or so, and concentrated water water is about 28.1m3/ h, concentrated water TDS are 32000 mg/L.SWRO reverse osmosis units
After 23 concentrations, the rate of recovery is 60%, and concentrated water water is about 11.2 m3/ h, TDS are 80200 mg/L.Function of mechanical steam recompression
Evaporation and crystallization system 24 is by 11.2 m3/ h concentrated waters are evaporated crystallization.
Embodiment 3：
This uses the GTCC power plant wastewater zero discharge processing unit of embodiment 1 to the present embodiment, and GTCC power plant waste water water is
400m3/ h, TDS are 3000mg/L.After immersion ultrafiltration apparatus 5 and first order reverse osmosis unit 9 are handled, the rate of recovery is
75%, the concentrated water of first order reverse osmosis unit 9 about 100m3/ h, concentrated water TDS are 12000 mg/L.Pass through tubular type micro-filtration processing unit 16
After the processing of second level reverse osmosis unit 20, the rate of recovery is 70% or so, and concentrated water water is about 30m3/ h, concentrated water TDS are
40000mg/L.After the concentration of SWRO reverse osmosis units 23, the rate of recovery is 50%, and concentrated water water is about 15 m3/ h, TDS are
80000mg/L.Function of mechanical steam recompression evaporation and crystallization system 24 is by 15 m3/ h concentrated waters are evaporated crystallization, realize GTCC power plant
Zero-emission.
Embodiment 4：
In the present embodiment, GTCC power plant waste water water is 360m3/ h, TDS are 6000mg/L, and GTCC power plant waste water passes through submergence
After formula ultrafiltration apparatus 5 and first order reverse osmosis unit 9 are handled, reverse osmosis concentrated water is straight after being handled by tubular type micro-filtration processing unit 16
The SWRO reverse osmosis units 23 into two-stage are tapped into, its concentrated water is evaporated knot using function of mechanical steam recompression evaporation and crystallization system 24
It is brilliant.
After waste water is by immersion ultrafiltration apparatus 5 and first order reverse osmosis unit 9, the counter-infiltration rate of recovery is 75%, concentrated water water
Amount is about 90 m3/ h, TDS are 24000 mg/L.One-level is directly entered after concentrated water is handled by tubular type micro-filtration processing unit 16
SWRO processing, the rate of recovery is 60%, and concentrated water water is about 36 m3/ h, TDS are 60000 mg/L, and concentrated water continues through two grades
SWRO processing, the rate of recovery is 45%, and concentrated water water is about 19.8 m3/ h, TDS are 109000 mg/L, and mechanical vapour is pressed again
Contracting evaporation and crystallization system 24 is by 19.8m3/ h concentrated waters are evaporated crystallization, realize GTCC power plant zero-emission.
Above content described in this specification is only to structure example explanation of the present invention；Moreover, this hair
The title that bright each several part is taken can also be different, what all construction, feature and principles according to described in inventional idea of the present invention were done etc.
In effect or simple change, the protection domain for being included in patent of the present invention.
Claims (10)
1. a kind of GTCC power plant wastewater zero discharge processing unit, it is characterised in that：Including depositing reservoir, balancing tank, self-cleaning
Filter, immersion ultrafiltration apparatus, active carbon filter, cartridge filter, first order reverse osmosis unit, reaction tank, a concentration
Pond, tubular type micro-filtration processing unit, second level reverse osmosis unit, SWRO reverse osmosis units, function of mechanical steam recompression evaporative crystallization system
System, alkali dosing tank and sodium carbonate dosing tank；Depositing reservoir is connected with balancing tank；Balancing tank is connected with self-cleaning filter；From
Cleaning filter is connected with immersion ultrafiltration apparatus；The production water out of immersion ultrafiltration apparatus is connected with active carbon filter；It is living
Property carbon filter is connected with a cartridge filter；A number cartridge filter is connected with first order reverse osmosis unit；The first order is anti-
The concentrated water outlet of permeability apparatus is connected with reaction tank；The overfall of reaction tank is connected with concentration basin；At concentration basin and tubular type micro-filtration
Manage device connection；The water out that goes out of tubular type micro-filtration processing unit is connected with second level reverse osmosis unit；Second level reverse osmosis unit
Concentrated water export by being connected with SWRO reverse osmosis units；Concentrated water outlet and the function of mechanical steam recompression of SWRO reverse osmosis units steam
Send out crystal system connection；Reaction tank is connected with alkali dosing tank and sodium carbonate dosing tank respectively.
2. GTCC power plant wastewater zero discharge processing unit according to claim 1, it is characterised in that：Described immersion surpasses
The backwash drain outlet of filter device is connected with depositing reservoir.
3. GTCC power plant wastewater zero discharge processing unit according to claim 1, it is characterised in that：Also include a feedwater
Pump, a cartridge filter to a water pump with first order reverse osmosis unit by being connected.
4. GTCC power plant wastewater zero discharge processing unit according to claim 1, it is characterised in that：Also include No. two security personnel
Filter, going out provided with No. two cartridge filters between water out and second level reverse osmosis unit for tubular type micro-filtration processing unit, is managed
The water out that goes out for the filter processing unit that declines is connected with No. two cartridge filters, No. two cartridge filters and second level reverse osmosis unit
Connection.
5. GTCC power plant wastewater zero discharge processing unit according to claim 1, it is characterised in that：Also include sludge pump,
Concentration basin is connected with sludge pump.
6. GTCC power plant wastewater zero discharge processing unit according to claim 1, it is characterised in that：Also include recycling
Pump, tubular type micro-filtration processing unit is connected by recirculation pump with concentration basin.
7. GTCC power plant wastewater zero discharge processing unit according to claim 2, it is characterised in that：Described immersion surpasses
The backwash drain outlet of filter device is connected by rhone with depositing reservoir.
8. a kind of handling process of the GTCC power plant wastewater zero discharge processing unit described in claim 1-7 any claims,
It is characterized in that：Step is as follows：GTCC power plant waste water carries out water quality adjustment after being directly entered depositing reservoir processing through toning economizing basin,
Self-cleaning filter, immersion ultrafiltration apparatus, active carbon filter, a cartridge filter are passed sequentially through again carries out filtration treatment
Afterwards, into the processing of first order reverse osmosis unit；The concentrated water of first order reverse osmosis unit with it is anti-in boiler of power plant makeup Water System
Reaction tank is sent into after infiltration concentrated water mixing, reaction tank, concentration basin and the processing of tubular type micro-filtration processing unit is passed sequentially through；Tubular type micro-filtration
The concentrated water feeding second level reverse osmosis unit of processing unit proceeds concentration；The concentrated water of second level reverse osmosis unit and power plant's pot
SWRO reverse osmosis units are sent into after reverse osmosis concentrated water mixing in stove makeup Water System, SWRO reverse osmosis units are continued through dense
Contracting；The concentrated water feeding function of mechanical steam recompression evaporation and crystallization system of SWRO reverse osmosis units is evaporated crystallization, finally realizes this
GTCC power plant wastewater zero discharge.
9. handling process according to claim 8, it is characterised in that：It is characterized in that：The production of first order reverse osmosis unit
Ultrafiltration water tank in water feeding boiler feed water system.
10. handling process according to claim 8, it is characterised in that：It is characterized in that：In depositing reservoir add flocculant and
Flocculation aid；Bactericide is added in balancing tank, and adds acid for adjusting pH；In first order reverse osmosis unit and second level reverse osmosis unit
Add antisludging agent；It is 11.5-13 that pH is controlled in reaction tank；When water quality is poor, active carbon powder, positive reason are added in concentration basin
Without addition under condition；Add alkali and sodium carbonate in reaction tank.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2664779A1 (en) * | 2017-11-07 | 2018-04-23 | Ecologia Y Gestion Ambiental, S.L. | PROCESS FOR THE TREATMENT OF WELL, WATER OR SURFACE WATERS AND REAGENTS USED (Machine-translation by Google Translate, not legally binding) |
| CN110171893A (en) * | 2019-06-26 | 2019-08-27 | 西安热工研究院有限公司 | A kind of full factory waste water zero discharge system and method for water resource of reclaimed water plant gas |
| CN112028273A (en) * | 2020-07-30 | 2020-12-04 | 中冶南方都市环保工程技术股份有限公司 | High-recovery-rate reclaimed water recycling advanced treatment system and treatment method |
| CN117756247A (en) * | 2023-12-18 | 2024-03-26 | 国家能源费县发电有限公司 | A power plant boiler feed water treatment clarifier and treatment process |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6113797A (en) * | 1996-10-01 | 2000-09-05 | Al-Samadi; Riad A. | High water recovery membrane purification process |
| CN104276711A (en) * | 2014-10-29 | 2015-01-14 | 上海水合环境工程有限公司 | Reverse osmosis membrane treatment process for recycling industrial sewage and realizing zero release |
| CN105084630A (en) * | 2015-08-03 | 2015-11-25 | 天华化工机械及自动化研究设计院有限公司 | Oil refining catalyst wastewater zero-discharging treatment method |
| CN105254066A (en) * | 2015-10-23 | 2016-01-20 | 华电电力科学研究院 | Treatment device and method capable of achieving waste water zero discharge of power plant with large water volume |
| CN106565045A (en) * | 2015-10-10 | 2017-04-19 | 麦王环境技术股份有限公司 | Complete equipment for stainless steel pickling wastewater treatment and resource recycling and treatment process |
| CN206901956U (en) * | 2017-04-27 | 2018-01-19 | 华电电力科学研究院 | GTCC power plant wastewater zero discharge processing unit |
-
2017
- 2017-04-27 CN CN201710289870.9A patent/CN107055907A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6113797A (en) * | 1996-10-01 | 2000-09-05 | Al-Samadi; Riad A. | High water recovery membrane purification process |
| CN104276711A (en) * | 2014-10-29 | 2015-01-14 | 上海水合环境工程有限公司 | Reverse osmosis membrane treatment process for recycling industrial sewage and realizing zero release |
| CN105084630A (en) * | 2015-08-03 | 2015-11-25 | 天华化工机械及自动化研究设计院有限公司 | Oil refining catalyst wastewater zero-discharging treatment method |
| CN106565045A (en) * | 2015-10-10 | 2017-04-19 | 麦王环境技术股份有限公司 | Complete equipment for stainless steel pickling wastewater treatment and resource recycling and treatment process |
| CN105254066A (en) * | 2015-10-23 | 2016-01-20 | 华电电力科学研究院 | Treatment device and method capable of achieving waste water zero discharge of power plant with large water volume |
| CN206901956U (en) * | 2017-04-27 | 2018-01-19 | 华电电力科学研究院 | GTCC power plant wastewater zero discharge processing unit |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2664779A1 (en) * | 2017-11-07 | 2018-04-23 | Ecologia Y Gestion Ambiental, S.L. | PROCESS FOR THE TREATMENT OF WELL, WATER OR SURFACE WATERS AND REAGENTS USED (Machine-translation by Google Translate, not legally binding) |
| CN110171893A (en) * | 2019-06-26 | 2019-08-27 | 西安热工研究院有限公司 | A kind of full factory waste water zero discharge system and method for water resource of reclaimed water plant gas |
| CN112028273A (en) * | 2020-07-30 | 2020-12-04 | 中冶南方都市环保工程技术股份有限公司 | High-recovery-rate reclaimed water recycling advanced treatment system and treatment method |
| CN117756247A (en) * | 2023-12-18 | 2024-03-26 | 国家能源费县发电有限公司 | A power plant boiler feed water treatment clarifier and treatment process |
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Application publication date: 20170818 |