CN107892349A - A kind of system of full factory waste water zero discharge - Google Patents
A kind of system of full factory waste water zero discharge Download PDFInfo
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- CN107892349A CN107892349A CN201711154147.6A CN201711154147A CN107892349A CN 107892349 A CN107892349 A CN 107892349A CN 201711154147 A CN201711154147 A CN 201711154147A CN 107892349 A CN107892349 A CN 107892349A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/507—Sulfur oxides by treating the gases with other liquids
-
- 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
- C02F1/10—Treatment of water, waste water, or sewage by heating by distillation or evaporation by direct contact with a particulate solid or with a fluid, as a heat transfer medium
- C02F1/12—Spray 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/16—Treatment of water, waste water, or sewage by heating by distillation or evaporation using waste heat from other processes
-
- 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
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- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
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- Water Supply & Treatment (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Thermal Sciences (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of system of full factory waste water zero discharge, including the waste water collection device (1), Wet FGD (2) and desulfurization wastewater Zero emission device (3) for collecting full factory's waste water, the discharging tube of waste water collection device (1) connects Wet FGD (2) by pipeline, and the discharging tube that described Wet FGD (2) is used to discharge desulfurization wastewater connects desulfurization wastewater Zero emission device (3) by pipeline.The beneficial effects of the invention are as follows：Decrement is evaporated to the waste water of original big yield using the high-temperature flue gas in Wet FGD, with the wastewater flow rate realized the Btu utilization of useless high-temperature flue gas and reduce Zero emission device processing, so that the occupation of land of desulfurization wastewater Zero emission device, investment, operating cost are relatively low.
Description
Technical field
The present invention relates to technical field of waste water processing, in particular it relates to which a kind of be applied to processing thermal power plant, industry kiln
The system of the full factory waste water zero discharge of Lu Deng enterprises.
Background technology
Thermal power plant, Industrial Stoves etc. using the enterprise of boiler have Wastewater Form Circulating Cooling Water, industrial wastewater, waste water containing coal,
The various wastewaters such as oily waste water, sanitary wastewater are externally discharged, and the waste water quality of discharge is various, water differs, and being also mixed with has non-company
The big flow draining of continuous property, the processing of particularly some high slat-containing wastewaters is relatively difficult, while the waste water of big yield realizes zero-emission
Putting needs larger equipment occupation of land, higher equipment investment and operating cost.
The enterprise of the use boiler such as thermal power plant, Industrial Stoves under Eleventh Five-Year Plan environmental requirement, builds at home
Flue gas desulfurization device, wherein Wet Flue Gas Desulfurization Technology at home accounting more than 90%.Wet flue gas desulfurizer is in running
In due to the cigarette temperature for entering desulfurizer it is high, it is necessary to which constantly supplement process water is to maintain the water of desulfurizer and heat to put down
Weighing apparatus.
Wastewater treatment is difficult in factory, and which part waste water is high slat-containing wastewater as desulfurization wastewater, nothing after simple process
Method is externally discharged, and domestic Duo Jia mechanisms at present and enterprise are carrying out the experiment work of desulfurization wastewater Zero emission device and system.
It is more and more stricter to the control standard of water pollution both at home and abroad as people go deep into water pollution understanding.From
The viewpoint of sustainable development is opened, with increasingly deficient, progressively strict, the waste water of environmental requirement of water resource increasingly（Including de-
Sulphur waste water class high salt waste）Recovery and zero-emission be power plant water development inexorable trend.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of full factory waste water zero discharge saved energy consumption, reduce cost
System.
Technical scheme is used by the present invention solves the above problems：
A kind of system of full factory waste water zero discharge, including for collecting waste water collection device, the smoke-gas wet desulfurization of full factory's waste water
Device and desulfurization wastewater Zero emission device, the discharging tube of waste water collection device connect Wet FGD, institute by pipeline
The discharging tube that the Wet FGD stated is used to discharge desulfurization wastewater connects desulfurization wastewater Zero emission device by pipeline.
Taken off so as to which waste water collection device can become non-recurrent draining regular draining with controlling into flue gas wet method
The water of sulphur device is stable, continuous water.Preferably, actual demand cloth is pressed on waste water transfer pipeline in the system
Provided with the waste water pump for the transport wastewater between different device, waste water enters waste water collection device according to flow velocity, the flow of setting.
Preferably, waste water cascade utilization is additionally provided between described waste water collection device and Wet FGD to subtract
Pretreatment unit is measured, the discharging tube of waste water collection device connects waste water cascade utilization by pipeline and is reduced pretreatment unit, waste water
The discharging tube of cascade utilization decrement pretreatment unit connects Wet FGD by pipeline.Preferably, waste water is according to setting
Fixed flow velocity, flow enter waste water cascade utilization decrement pretreatment unit, and pretreated waste water is taken off by being pumped into flue gas wet method
Sulphur device, the waste water after evaporation and concentration are discharged into desulfurization wastewater Zero emission device by the bottom of Wet FGD.
Preferably, it is provided with and receives multiple waste water that full factory's waste water is collected by different water quality, water situation
Acquisition means and the multiple waste water cascade utilizations pre-processed by different water quality, water situation are reduced pretreatment unit.
Optionally, the discharging tube of described waste water collection device or waste water cascade utilization decrement pretreatment unit passes through pipeline
Connect the feed tube of the spray equipment of Wet FGD, feed liquor of the waste water from the spray equipment of Wet FGD
Pipe imports Wet FGD；Or set up a spray equipment A again in the tower body of Wet FGD, waste water is received
The discharging tube of acquisition means or waste water cascade utilization decrement pretreatment unit connects spray equipment A feed tube, waste water by pipeline
Wet FGD is imported from spray equipment A feed tube, preferable spray equipment A is arranged at original spray equipment
Top, so as to improve the heat exchanger effectiveness of high-temperature flue gas；Or a waste water feed tube, waste water collection device are set on tower body
Or the discharging tube of waste water cascade utilization decrement pretreatment unit connects waste water feed tube by pipeline, waste water is from the waste water feed tube
Import Wet FGD；Or the discharging tube of waste water collection device or waste water cascade utilization decrement pretreatment unit passes through pipe
Road connects the pulping device of Wet FGD, and waste water enters Wet FGD with slurries.
Described waste water cascade utilization decrement pretreatment unit is to be filled using the RO anti-penetration wastewater disposals of RO reverse osmosis technologies
Put, using the vibrations high-frequency vibration films of membrane technology, bioreactor sewage water processing unit or using dosing flocculation, clarification technique
Sedimentation basin.The recycling of part water can be realized by being reduced pretreatment unit by waste water cascade utilization, remaining to locate
The concentrated water of reason enters back into Wet FGD.Such as the waste water of low saline salinity is carried out using RO reverse osmosis water disposal facilities pre-
The recycling of part water is realized in processing, and the remaining concentrated water that can not be handled enters back into Wet FGD.
Described desulfurization wastewater Zero emission device is using the multi-effect evaporator of multiple-effect evaporation technology or using MVR technologies
（Mechanical vapor recompression technology）MVR evaporators.
Described Wet FGD includes tower body, is provided with wet flue gas outlet at the top of tower body, under tower body
Portion is provided with high temperature dry flue gas import, and the top in tower body is provided with spray equipment, and the feed tube connection of spray equipment is supplied water dress
Put, the bottom of tower body is provided with the desulfurization wastewater discharging tube of discharge desulfurization wastewater.
Described Wet FGD is additionally provided with liquid circulating apparatus, and liquid circulating apparatus includes being arranged at tower body
Circulation drain pipe, circulating pump and the circulation feed tube for connecting spray equipment feed tube of bottom, circulation drain pipe connection circulating pump
Inlet, circulation feed tube connection circulating pump liquid outlet.
To sum up, the beneficial effects of the invention are as follows：
The present invention is especially suitable for waste water caused by full factory of enterprise such as processing thermal power plant, Industrial Stoves, produced using boiler
High-temperature waste flue gas concentration decrement treatment is evaporated to waste water, using the high-temperature flue gas in Wet FGD to original
The waste water of big yield is evaporated decrement, with the waste water realized the Btu utilization of useless high-temperature flue gas and reduce Zero emission device processing
Amount, the purpose of waste recycling is realized, because substantial amounts of waste water moisture is all evaporated in desulfurizer, into desulfurization wastewater
The water of Zero emission device is smaller, so that the occupation of land of desulfurization wastewater Zero emission device, investment, operating cost are relatively low, and
Full factory waste water zero discharge can be realized, simultaneously because the technique that other waste water instead of to desulfurizer supplements water, equivalent to section
The process water that desulfurization treatment process is consumed can be saved by having saved the supplement water of desulfurizer, reach the effect of water saving；So as to
So that the present invention has, energy consumption is low, cost is low, takes up an area small advantage.
The present invention is all useless by Wastewater Form Circulating Cooling Water, industrial wastewater, waste water containing coal, oily waste water, sanitary wastewater Deng Quan factories
Water is all collected or pre-processed by different water quality, water situation, to realize preliminary wastewater minimisation and stable follow-up place
Manage waste water water.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the water treatment process schematic diagram of the present invention；
Fig. 3 is a kind of structural representation that waste water enters wet desulphurization device；
Fig. 4 is another structural representation that waste water enters wet desulphurization device；
Fig. 5 is the third structural representation that waste water enters wet desulphurization device；
Fig. 6 is the structural representation that the present invention sets waste water cascade utilization decrement pretreatment unit；
Fig. 7 is the water treatment process schematic diagram that the present invention sets waste water cascade utilization decrement pretreatment unit.
Mark and corresponding parts title in accompanying drawing：
1- waste water collection devices, 2- Wet FGDs, 3- desulfurization wastewater Zero emission devices, 4- waste water cascade utilization decrement
Pretreatment unit, 5- tower bodies, 6- wet flue gas outlets, 7- high temperature dry flue gas imports, 8- spray equipments, 9- desulfurization wastewater discharge opeings
Pipe, 10- circulation drain pipes, 11- circulating pumps, 12- circulation feed tubes, 13- spray equipments A, 14- waste water feed tube.
Embodiment
The present invention will now be described in further detail with reference to the accompanying drawings and the accompanying drawings, but embodiments of the present invention
Not limited to this.
Embodiment 1：
A kind of system of full factory waste water zero discharge, as shown in Figure 1 and Figure 2, including for collecting the waste water collection device of full factory's waste water
1st, Wet FGD 2 and desulfurization wastewater Zero emission device 3, the discharging tube of waste water collection device 1 connect cigarette by pipeline
Gas wet desulphurization device 2, the discharging tube that described Wet FGD 2 is used to discharge desulfurization wastewater are de- by pipeline connection
Sulphur waste water zero discharge device 3.Count after testing, the moisture evaporated in waste water accounts for the 60 ~ 80% of raw wastewater total amount.
Taken off so as to which waste water collection device 1 can become non-recurrent draining regular draining with controlling into flue gas wet method
The water of sulphur device 2 is stable, continuous water.Preferably, actual demand is pressed on waste water transfer pipeline in the system
The waste water pump for the transport wastewater between different device is laid with, as shown in Figure 2..
Optionally, as shown in figure 3, the discharging tube of waste water collection device 1 connects the spray of Wet FGD 2 by pipeline
The feed tube of device 8, waste water import Wet FGD from the feed tube of the spray equipment 8 of Wet FGD 2
2；Or as shown in figure 4, set up a spray equipment A13, waste water collection device 1 again in the tower body 5 of Wet FGD 2
Discharging tube pass through the feed tube that pipeline connects spray equipment A13, waste water imports flue gas wet method from spray equipment A13 feed tube
Desulfurizer 2, preferable spray equipment A13 is arranged at the top of original spray equipment 8, so as to improve the heat of high-temperature flue gas
Exchange efficiency；Or as shown in figure 5, setting a waste water feed tube 14 on tower body 5, the discharging tube of waste water collection device 1 passes through
Pipeline connection waste water feed tube 14, waste water imports Wet FGD 2 from the waste water feed tube 14；Waste water can also be received
The discharging tube of acquisition means 1 connects the pulping device of Wet FGD 2 by pipeline, and waste water enters flue gas wet method with slurries
Desulfurizer 2.
Optionally, as shown in figure 1, multiple waste water collection devices 1 can be set, so as to which the full factory waste water is pressed into different water
Matter, water situation are collected.
Preferably, described desulfurization wastewater Zero emission device 3 is the multi-effect evaporator using multiple-effect evaporation technology or use
MVR technologies（Mechanical vapor recompression technology）MVR evaporators.
As shown in Figure 1 and Figure 2, using a kind of method of the system of full factory waste water zero discharge, comprise the following steps：
S1, full factory's waste water enter waste water collection device 1；
S2, waste water enter Wet FGD 2 from waste water collection device 1；
S3, high temperature dry flue gas enter in Wet FGD 2；
The heat exchange in Wet FGD 2 contacts with waste water for S4, high temperature dry flue gas, the partial moisture evaporation humidification in waste water
Flue gas is simultaneously discharged from the top of Wet FGD 2；Count after testing, the moisture evaporated in waste water accounts for the 60 of raw wastewater total amount
~80%；
S5, waste water concentrate after being contacted with heat smoke, are discharged with desulfurization wastewater from Wet FGD 2；
S6, the desulfurization wastewater of discharge realize zero-emission into desulfurization wastewater Zero emission device 3.
Decrement is evaporated to the waste water of original big yield using the high-temperature flue gas in Wet FGD 2, with reality
Now give up the Btu utilization of high-temperature flue gas and the wastewater flow rate of reduction Zero emission device processing.Because substantial amounts of waste water moisture is all in desulfurization
Evaporated in device, the water into desulfurization wastewater Zero emission device 3 is smaller, so that desulfurization wastewater Zero emission device
3 occupation of land, investment, operating cost are relatively low, through Experimental comparison, the occupation of land of desulfurization wastewater Zero emission device 3, investment, running cost
With 60 ~ 70% can be reduced.
Described full factory's waste water includes Wastewater Form Circulating Cooling Water, industrial wastewater, waste water containing coal, oily waste water, sanitary wastewater etc.
All waste water of full factory.
Optionally, as shown in figure 1, described full factory's waste water into waste water collection device 1 refer to by full factory's waste water by
Different water quality, water situation are collected.Then whole waste water after being collected by different water quality, water situation are entered
Enter in Wet FGD 2, waste water carries out moisture evaporation concentration to play wastewater minimisation in Wet FGD
Purpose.
Described Wet FGD 2 is this area routine fexible unit, as shown in figure 3, it includes tower body 5, tower
The top of body 5 is provided with wet flue gas outlet 6, and the bottom of tower body 5 is provided with high temperature dry flue gas import 7, and the top in tower body 5 is set
Spray equipment 8 is equipped with, the feed tube connection water supply installation of spray equipment 8, the bottom of tower body 5 is provided with the de- of discharge desulfurization wastewater
Sulphur waste water discharging tube 9.
When implementing the method for full factory waste water zero discharge of the present invention, as shown in figure 3, waste water can be taken off from flue gas wet method
The feed tube of the spray equipment 8 of sulphur device 2 imports Wet FGD 2；Or as shown in figure 4, filled in smoke-gas wet desulfurization
Put and set up a spray equipment A13 in 2 tower body 5 again, then waste water imports flue gas wet method from spray equipment A13 feed tube and taken off
Sulphur device 2, preferable spray equipment A13 are arranged at the top of original spray equipment 8, are handed over so as to improve the heat of high-temperature flue gas
Change efficiency；Or as shown in figure 5, on tower body 5 set a waste water feed tube 14, then waste water is led from the waste water feed tube 14
Enter Wet FGD 2.
Optionally, described Wet FGD 2 is additionally provided with liquid circulating apparatus, and liquid circulating apparatus includes setting
It is placed in circulation drain pipe 10, circulating pump 11 and the circulation feed tube 12 for connecting the feed tube of spray equipment 8 of the bottom of tower body 5, circulation
Drain pipe 10 connects the inlet of circulating pump 11, and circulation feed tube 12 connects the liquid outlet of circulating pump 11.
Preferably, it is 80 ~ 160 DEG C into the temperature of the high temperature dry flue gas in Wet FGD 2, the step S4
In, the temperature of the flue gas of the top of Wet FGD 2 discharge is at 50 ~ 60 DEG C.
Preferably, the step S6 uses multiple-effect evaporation technology or MVR technologies（Mechanical vapor recompression technology）Realize de-
Sulphur content water zero discharge.
Embodiment 2：
A kind of system of full factory waste water zero discharge, its structure is with the full factory waste water zero discharge system described in embodiment 1, itself and implementation
The difference of full factory waste water zero discharge system is described in example 1, and as shown in Figure 6, Figure 7, described waste water collection device 1 and flue gas are wet
Waste water cascade utilization decrement pretreatment unit 4 is additionally provided between method desulfurizer 2, the discharging tube of waste water collection device 1 passes through
Pipeline connection waste water cascade utilization decrement pretreatment unit 4, the discharging tube of waste water cascade utilization decrement pretreatment unit 4 pass through pipe
Road connects Wet FGD 2.Preferably, waste water enters waste water cascade utilization decrement in advance according to flow velocity, the flow of setting
Processing unit 4, pretreated waste water is by being pumped into Wet FGD 2, and the waste water after evaporation and concentration is by flue gas wet method
The bottom of desulfurizer 2 is discharged into desulfurization wastewater Zero emission device 3.
Described waste water cascade utilization decrement pretreatment unit 4 is to be filled using the RO anti-penetration wastewater disposals of RO reverse osmosis technologies
Put, using the vibrations high-frequency vibration films of membrane technology, bioreactor sewage water processing unit or using dosing flocculation, clarification technique
Sedimentation basin.The recycling of part water can be realized by being reduced pretreatment unit 4 by waste water cascade utilization, reach waste water step
Using the purpose being reduced in advance, the remaining concentrated water that can not be handled enters back into Wet FGD 2.Such as use RO reverse osmosis waters
Processing unit carries out the recycling that part water is realized in pretreatment, the remaining concentrated water that can not be handled to the waste water of low saline salinity
Enter back into Wet FGD 2.
Preferably, as shown in fig. 6, multiple waste water collection devices 1 and the decrement pretreatment of multiple waste water cascade utilizations can be set
Device 4, so that by different water quality, water situation after full factory's waste water is collected by different water quality, water situation
Pre-processed, realize that waste water cascade utilization is reduced in advance, pre-process obtained clear water reuse, then by by different water quality, water
Amount situation carries out pretreated whole waste water and entered in Wet FGD 2, and waste water is in Wet FGD
Moisture evaporation concentration is carried out to play the purpose of wastewater minimisation.
Optionally, as shown in figure 3, the discharging tube of described waste water cascade utilization decrement pretreatment unit 4 is connected by pipeline
The feed tube of the spray equipment 8 of Wet FGD 2 is connect, waste water enters from the spray equipment 8 of Wet FGD 2
Liquid pipe imports Wet FGD 2；Or as shown in figure 4, one is set up again in the tower body 5 of Wet FGD 2
Spray equipment A13, the discharging tube of waste water cascade utilization decrement pretreatment unit 4 connect spray equipment A13 feed liquor by pipeline
Pipe, waste water import Wet FGD 2 from spray equipment A13 feed tube, and preferable spray equipment A13 is arranged at original
There is the top of spray equipment 8, so as to improve the heat exchanger effectiveness of high-temperature flue gas；Or as shown in figure 5, set one on tower body 5
Individual waste water feed tube 14, the discharging tube of waste water cascade utilization decrement pretreatment unit 4 connect waste water feed tube 14 by pipeline, given up
Water imports Wet FGD 2 from the waste water feed tube 14；Waste water cascade utilization can also be reduced pretreatment unit 4
Discharging tube connects the pulping device of Wet FGD 2 by pipeline, and waste water enters Wet FGD with slurries
2。
Using a kind of method of the system of full factory waste water zero discharge, as shown in Figure 6, Figure 7, its step is the same as embodiment 1
The method of described full factory waste water zero discharge, the difference with the method for full factory waste water zero discharge described in embodiment 1 is, described
In step S2, before waste water enters Wet FGD 2 from waste water collection device 1, in addition to by waste water collection device 1
The step of interior waste water is pre-processed, it then will pass through pretreated waste water and import in Wet FGD 2.Pass through
Wastewater Pretreatment step can realize the recycling of part water, and the remaining concentrated water that can not be handled enters back into flue gas wet method and taken off
Sulphur device 2.As pre-treatment step can carry out pretreatment achievement unit using RO reverse osmosis water disposal facilities to the waste water of low saline salinity
Divide the recycling of water, the remaining concentrated water that can not be handled enters back into Wet FGD 2.Count after testing, pre- place
The water of reason step recovery accounts for the 20 ~ 40% of raw wastewater total amount.
Preferably, as shown in fig. 6, the waste water by waste water collection device 1 carry out that pretreatment refers to will be described complete
Factory's waste water is pre-processed by the waste water that different water quality, water situation are collected by different water quality, water situation, then
Enter pretreated whole waste water are carried out by different water quality, water situation in Wet FGD 2, waste water is in cigarette
Moisture evaporation concentration is carried out in gas wet desulphurization device to play the purpose of wastewater minimisation.
As described above, it can preferably realize the present invention.
Claims (9)
1. a kind of system of full factory waste water zero discharge, it is characterised in that including the waste water collection device for collecting full factory's waste water
（1）, Wet FGD（2）With desulfurization wastewater Zero emission device（3）, waste water collection device（1）Discharging tube pass through pipe
Road connects Wet FGD（2）, described Wet FGD（2）Discharging tube for discharging desulfurization wastewater leads to
Cross pipeline connection desulfurization wastewater Zero emission device（3）.
A kind of 2. system of full factory waste water zero discharge according to claim 1, it is characterised in that described wastewater collection dress
Put（1）With Wet FGD（2）Between be additionally provided with waste water cascade utilization decrement pretreatment unit（4）, wastewater collection
Device（1）Discharging tube pass through pipeline and connect waste water cascade utilization and be reduced pretreatment unit（4）, the pre- place of waste water cascade utilization decrement
Manage device（4）Discharging tube Wet FGD is connected by pipeline（2）.
3. the system of a kind of full factory waste water zero discharge according to claim 2, it is characterised in that waste water cascade utilization is reduced
Pretreatment unit（4）For using the RO reverse osmosis water disposal facilities of RO reverse osmosis technologies, the high-frequency vibration using vibrations membrane technology
Film, bioreactor sewage water processing unit use dosing flocculation, the sedimentation basin of clarification technique.
4. the system of a kind of full factory waste water zero discharge according to any one in claim 1 ~ 3, it is characterised in that described
Desulfurization wastewater Zero emission device（3）Evaporated for the multi-effect evaporator using multiple-effect evaporation technology or the MVR using MVR technologies
Device.
A kind of 5. system of full factory waste water zero discharge according to claim 1, it is characterised in that described wastewater collection dress
Put（1）Discharging tube Wet FGD is connected by pipeline（2）Spray equipment（8）Feed tube, waste water is from flue gas
Wet desulphurization device（2）Spray equipment（8）Feed tube import Wet FGD（2）；Or in smoke-gas wet desulfurization
Device（2）Tower body（5）A spray equipment A is inside set up again（13）, waste water collection device（1）Discharging tube connected by pipeline
Spray equipment A（13）Feed tube, waste water is from spray equipment A（13）Feed tube import Wet FGD（2）；Or
Tower body（5）One waste water feed tube of upper setting, waste water collection device（1）Discharging tube by pipeline connect waste water feed tube, give up
Water imports Wet FGD from the waste water feed tube（2）；Or waste water collection device（1）Discharging tube connected by pipeline
Wet FGD（2）Pulping device, waste water enters Wet FGD with slurries（2）.
A kind of 6. system of full factory waste water zero discharge according to Claims 2 or 3, it is characterised in that described waste water ladder
Level utilizes and is reduced pretreatment unit（4）Discharging tube Wet FGD is connected by pipeline（2）Spray equipment（8）'s
Feed tube, waste water is from Wet FGD（2）Spray equipment（8）Feed tube import Wet FGD（2）；
Or in Wet FGD（2）Tower body（5）A spray equipment A is inside set up again（13）, waste water cascade utilization decrement is in advance
Processing unit（4）Discharging tube pass through pipeline and connect spray equipment A（13）Feed tube, waste water is from spray equipment A（13）Enter
Liquid pipe imports Wet FGD（2）；Or in tower body（5）One waste water feed tube of upper setting（14）, waste water cascade utilization
It is reduced pretreatment unit（4）Discharging tube pass through pipeline connect waste water feed tube（14）, waste water is from the waste water feed tube（14）Lead
Enter Wet FGD（2）；Or waste water cascade utilization decrement pretreatment unit（4）Discharging tube flue gas is connected by pipeline
Wet desulphurization device（2）Pulping device, waste water enters Wet FGD with slurries（2）.
7. the system of a kind of full factory waste water zero discharge according to Claims 2 or 3, it is characterised in that being provided with will be described
Multiple waste water collection devices that full factory's waste water is collected by different water quality, water situation（1）With by different water quality, water
Multiple waste water cascade utilizations decrement pretreatment unit that situation is pre-processed（4）.
8. the system of a kind of full factory waste water zero discharge according to claim 1, it is characterised in that described flue gas wet method takes off
Sulphur device（2）Including tower body（5）, tower body（5）Top be provided with wet flue gas outlet（6）, tower body（5）Bottom be provided with height
Warm dry flue gas import（7）, tower body（5）Interior top is provided with spray equipment（8）, spray equipment（8）Feed tube connection supply water
Device, tower body（5）Bottom be provided with discharge desulfurization wastewater desulfurization wastewater discharging tube（9）.
9. the system of a kind of full factory waste water zero discharge according to claim 8, it is characterised in that described flue gas wet method takes off
Sulphur device（2）Liquid circulating apparatus is additionally provided with, liquid circulating apparatus includes being arranged at tower body（5）The circulation drain pipe of bottom
（10）, circulating pump（11）With connection spray equipment（8）The circulation feed tube of feed tube（12）, circulate drain pipe（10）Connection circulation
Pump（11）Inlet, circulate feed tube（12）Connect circulating pump（11）Liquid outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711154147.6A CN107892349A (en) | 2017-11-20 | 2017-11-20 | A kind of system of full factory waste water zero discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711154147.6A CN107892349A (en) | 2017-11-20 | 2017-11-20 | A kind of system of full factory waste water zero discharge |
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| Publication Number | Publication Date |
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| CN107892349A true CN107892349A (en) | 2018-04-10 |
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| CN201711154147.6A Withdrawn CN107892349A (en) | 2017-11-20 | 2017-11-20 | A kind of system of full factory waste water zero discharge |
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| CN (1) | CN107892349A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108658355A (en) * | 2018-06-15 | 2018-10-16 | 王佳宁 | A kind of full factory's waste water drainage system in coal-burning power plant and its application method |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108658355A (en) * | 2018-06-15 | 2018-10-16 | 王佳宁 | A kind of full factory's waste water drainage system in coal-burning power plant and its application method |
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Application publication date: 20180410 |