CN208949003U - A kind of thermal power plant, steam power plant's waste water hierarchical synthesis processing system - Google Patents
A kind of thermal power plant, steam power plant's waste water hierarchical synthesis processing system Download PDFInfo
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- CN208949003U CN208949003U CN201821626022.9U CN201821626022U CN208949003U CN 208949003 U CN208949003 U CN 208949003U CN 201821626022 U CN201821626022 U CN 201821626022U CN 208949003 U CN208949003 U CN 208949003U
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Abstract
The utility model relates to a kind of thermal power plants, steam power plant's waste water hierarchical synthesis processing system, including primary wastewater processing unit, secondary waste water processing unit, three-level wastewater treatment equipment, level Four wastewater treatment equipment；The entrance of the unrestrained water collection tank of the primary wastewater processing unit connects thermal power plant, the machine of steam power plant, furnace, the unrestrained waterpipe of heat supply network, the import of the precipitation pond of the secondary waste water processing unit connects thermal power plant, steam power plant's water manufacturing system low salt wash water drainage pipeline, the import of the clear water reserviors of the three-level wastewater treatment equipment connects thermal power plant, steam power plant's sanitary sewage drain treatment apparatus terminal, sedimentation basin import connects filtered rain drainage pipe, the level Four wastewater treatment equipment includes precipitation pond, the entrance of the precipitation pond connects thermal power plant, steam power plant's high-salt wastewater drainpipe, the utility model hierarchical synthesis processing system, improve water resources comprehensive utilization efficiency, reduce water resource waste, thermal power plant's operation cost is reduced again.
Description
Technical field
The utility model relates to field of waste water treatment, and in particular to a kind of thermal power plant, the processing of steam power plant's waste water hierarchical synthesis
System.
Background technique
China is a water resource compared with horn of plenty but the country of per capita water resource scarcity relatively, various regions water resource owning amount pole
The regional industries such as imbalance, especially northwest, North China are supplied more nervous with water.
Thermal power plant, steam power plant are industrial water consumption rich anies influential family, and draining of giving up is many kinds of.It is specific as follows: unit starting row
Water, water flushing water draining processed, recirculating water blowdown water, desulfurization wastewater, the draining of machine furnace accident, the unrestrained water draining of machine furnace, heat network system
Draining, heat supply network start flush discharge, sanitary sewage, coal-contained wastewater, oily waste water, rain-water drainage, steam exhaust device bottom discharge, essence
Handle flushing waste water etc..In recent years, as environmental requirement is more and more tighter, zero-emission, which is wanted, to be proposed to waste water inside power industry
It asks, water process relevant device devoting rate improves, optimization water resource is closed by increasing sewage, waste water treatment investment in each electricity power enterprise
Reason recycles, and recycles aspect in water resource and achieves no small achievement.But there is also following problems:
To waste water, point quality does not carry out difference classification, difference is handled, difference recycles, and leads to the waste water conduct that quality is high
Industrial wastewater is handled, and industrial wastewater system operating pressure is increased, and reduces wastewater utilization effect, and increasing need not
The wasting of resources wanted improves thermal power plant's economic operation cost.Preferable Collection utilization is not carried out to rainwater, sanitary sewage, is led
Cause is lost in vain.
Surface is rested on to the understanding of wastewater zero discharge, annual infusion of financial resources buys a large amount of industrial waters as production, life
Apply flexibly water.By taking two 300MW Direct Air-cooled Units as an example, 1 year about 1,200,000 tons of outsourcing water or so, be with Water Works unit price
4 yuan/ton of meters, about 4,800,000 yuan of annual cost to purchase water expenditure, such as in terms of 2.5 yuan/ton of middle water, cost to purchase water expenditure is 300 within 1 year
Ten thousand RMB are 3.5 times or so of air-cooled same capacity unit for wet type cooling unit water rate expenditure, since there are the summers for air cooling unit
The operation of season high back pressure, causes Runing e conomy indicator poor.To meet peak load regulation requirement, currently have closely in North China, the Northwest
1/5 ~ 1/3 Direct Air-cooled Unit increases spike cooling arrangement.It is about straight with capacity added with peak cooling device unit water consumption
It connects between 1.5 to 2 times of air cooling unit.At present waste water of heat-engine plant disposal status also rest on small part is determined, platoon waste water as
Circulating water system, remaining major part waste water is through Industrial Wastewater Treatment, sanitary sewage disposal, coal-contained wastewater processing, desulfurization wastewater
As desulphurization system moisturizing, greening water, defeated coal flushing water, factory road sprinkling water, coal yard after processing, oiliness sewage treatment
The stage of spray, lime-ash stirring water, grey library humidification stirring water.It recycles in this way and greatly reduces water resources comprehensive utilization water
Flat, stealth causes the unnecessary waste of water resource.
Summary of the invention
For above situation, the purpose of the utility model is to provide a kind of thermal power plants, the processing of steam power plant's waste water hierarchical synthesis
System, which is classified waste water, difference processing, differential utilization, recycling, energy conservation and environmental protection.
A kind of thermal power plant of the invention, steam power plant's waste water hierarchical synthesis processing system, including primary wastewater processing unit, two
Grade wastewater treatment equipment, three-level wastewater treatment equipment, level Four wastewater treatment equipment；
The primary wastewater processing unit includes unrestrained water collection tank, and the entrance of the unrestrained water collection tank connects thermoelectricity
Factory, the machine of steam power plant, furnace, the unrestrained waterpipe of heat supply network, the entrance of the outlet connection precipitation pond of the unrestrained water collection tank are described
The entrance of precipitation pond outlet connection deironing apparatus, the entrance of the deironing apparatus outlet connection first level filtering device, described one
The outlet of grade filter device is divided into two-way: connecting circulating cooling make-up water pipeline all the way, another way connects the entrance of settling pond, described
The entrance of the outlet connection two-stage filter of settling pond, the two-stage filter outlet are divided into two-way: connecting all the way
Heat supply network moisturizing pipeline, another way connect the entrance of demineralizer, and the outlet connection primary wastewater of the demineralizer collects water tank,
The primary wastewater collects water tank and connects user, the deironing apparatus, sedimentation basin, precipitating clarification basin bottom sewage draining exit with
Industrial waste water disposal device is connected, the level-one, two-stage filter, demineralizer flushing pollution discharge pipeline and industrial wastewater
Processing unit is connected；
The secondary waste water processing unit includes precipitation pond, and the import of the precipitation pond connects thermal power plant, steam power plant
Water manufacturing system low salt wash water drainage pipeline, the entrance of the outlet connection clarification stirring pool of the precipitation pond, the clarification are stirred
The entrance of the outlet connection filter device in pond is mixed, the entrance of the outlet connection secondary waste water collecting box of the filter device is described
The outlet of secondary waste water collecting box connects user, and the precipitation pond clarifies the sewage draining exit of stirring pool bottom and industrial wastewater
Processing unit is connected, and the flushing pollution discharge pipeline of the filter device is connected with industrial waste water disposal device；
The three-level wastewater treatment equipment includes clear water reserviors and sedimentation basin, and the import of the clear water reserviors connects thermal power plant, heat
Power plant's sanitary sewage drain treatment apparatus terminal, the sedimentation basin import connect filtered rain drainage pipe, the clear water
The outlet of pond and sedimentation basin is all connected with dosing sterilizing unit entrance, and the dosing sterilizing unit outlet connection clarification stirring pool enters
Mouthful, the entrance of clarification stirring pool outlet connection filter device, the outlet of the filter device connects three-level wastewater collection pond
Entrance, the outlet of the three-level wastewater collection pond connects user, the sedimentation basin, dosing sterilizing unit, clarification stirring pool bottom
Portion's sewage draining exit is all connected with industrial wastewater treatment system, flushing pollution discharge pipeline and the industrial waste water disposal device phase of the filter device
Connection；
The level Four wastewater treatment equipment includes precipitation pond, and the entrance of the precipitation pond connects thermal power plant, steam power plant
High-salt wastewater drainpipe, the entrance of the outlet connection filter device of the precipitation pond, the outlet connection of the filter device remove
Salt device portal, the entrance of the outlet connection three-level sewage collecting box of the demineralizer, the three-level sewage collecting box go out
Mouth connection user, the bottom blow-down mouth of the precipitation pond connect industrial wastewater treatment system, the filter device, demineralizer
Flushing pollution discharge pipeline be connected with industrial waste water disposal device.
Preferably, the unrestrained water includes heat supply network flushing water, the unrestrained water of normal accident of heat supply network, starting flushing water, boiler
Blowing out discharges water, the draining of machine furnace accident, the unrestrained water of machine furnace, boiler are arranged surely, boiler platoon, steam exhaust device bottom outlet；
The water manufacturing system low salt wash water includes water manufacturing system more medium filter flushing water, hyperfiltration rinsing water；
The high-salt wastewater includes recirculating water blowdown water, the reverse osmosis flushing water of water manufacturing system.
Preferably, it includes circulating cooling make-up water that the primary wastewater, which collects the user of water tank, and heat supply network moisturizing, water manufacturing system are mended
Water；The user of the secondary waste water collecting box includes water processed, circulating cooling make-up water；The user of the three-level wastewater collection pond includes system
Water, circulating cooling make-up water；The user of the three-level sewage collecting box includes water processed, circulating cooling make-up water.
Preferably, the waste water treatment system further includes acidic and alkaline waste water processing unit, high concentrtion, at high impurity pollutant effluents
Device, desulfurization content of beary metal overstandard waste water processing unit are managed, according to traditional industry waste water treatment system, coal-contained wastewater processing system
System, oil-contained waste water treatment system, desulfurization wastewater treatment system are handled.
The thermal power plant of the utility model, steam power plant's waste water hierarchical synthesis processing system, the processing of primary wastewater processing unit
Water can supplement water, the supplement water of city heat supply heat supply network, plant area's heat supply network as circulating water system, water processed.Second level, three-level, four
The water of grade wastewater treatment equipment processing can be circulating water system, and water processed supplements water.It can be with by the application of the utility model
Outsourcing water is reduced, operation cost is reduced, saves water resource, mitigates scale wastewater treatment economic pressures.With two 300MW units
More medium filter flushing water draining, hyperfiltration rinsing water draining monthly average statistics about 1000 tons, such as can by this programme into
Row recycling 80% with regard to about 10000 tons of recoverable or so, makes be situated between for the influence of steam power plant's heat supply water such as the power plant in 1 year more
The draining of mass filter flushing water, hyperfiltration rinsing water draining increase by 4000 tons of considerations, the case where other influences factor is ignored
Under, only this individual event 1 year about save the cost 6 ~ 70,000 yuan or so.Three-level, level Four wastewater treatment equipment improve thermal power generation operation warp
Ji property, reduces power plant's operation cost, and enterprise is made to become environment friendly enterprise.It is about generated in terms of 30,000 tons by sanitary sewage whole year
It calculates, if it is possible to which reuse 80%, this individual event in 1 year can save 80,000 yuans of cost to purchase water, generate about within level Four waste water 1 year
40000 tons of calculating, this individual event in 1 year can save ten thousand yuans of 10-15 of cost to purchase water.The thermal power plant of the utility model, heat
Power plant effluent hierarchical synthesis processing system can also receive higher environmental protection effect and preferable social effect.
The thermal power plant of the utility model, steam power plant's waste water hierarchical synthesis processing system, waste water, according to its quality, are divided by processing
Industry water make-up water source, circulating water system source in heat supply network moisturizing, water manufacturing system unboiled water make-up water source, factory are not utilized, in this way
Higher quality waste water can be recycled, i.e. raising water resources comprehensive utilization efficiency, reduction water resource waste, and reduce fire
Power plant's operation cost.
Detailed description of the invention
Fig. 1 is the structure total figure of the utility model；
Fig. 2 is the structural schematic diagram of the utility model primary wastewater processing unit；
Fig. 3 is the structural schematic diagram of the utility model secondary waste water processing unit；
Fig. 4 is the structural schematic diagram of the utility model three-level wastewater treatment equipment；
Fig. 5 is the structural schematic diagram of the utility model level Four wastewater treatment equipment.
Specific embodiment
With reference to the accompanying drawing, the technical solution of the utility model is further detailed；
As shown in Figs. 1-5, a kind of thermal power plant, steam power plant's waste water hierarchical synthesis processing system, including primary wastewater processing dress
It sets, secondary waste water processing unit, three-level wastewater treatment equipment, level Four wastewater treatment equipment；
The primary wastewater processing unit includes unrestrained water collection tank, and the entrance of the unrestrained water collection tank connects thermoelectricity
Factory, the machine of steam power plant, furnace, the unrestrained waterpipe of heat supply network, the entrance of the outlet connection precipitation pond of the unrestrained water collection tank are described
The entrance of precipitation pond outlet connection deironing apparatus, the entrance of the deironing apparatus outlet connection first level filtering device, described one
The outlet of grade filter device is divided into two-way: connecting circulating cooling make-up water pipeline all the way, another way connects the entrance of settling pond, described
The entrance of the outlet connection two-stage filter of settling pond, the two-stage filter outlet are divided into two-way: connecting all the way
Heat supply network moisturizing pipeline, another way connect the entrance of demineralizer, and the outlet connection primary wastewater of the demineralizer collects water tank,
The primary wastewater collects water tank and connects user, the deironing apparatus, sedimentation basin, precipitating clarification basin bottom sewage draining exit with
Industrial waste water disposal device is connected, the level-one, two-stage filter, demineralizer flushing pollution discharge pipeline and industrial wastewater
Processing unit is connected, and the user of primary wastewater collecting box includes circulating cooling make-up water, heat supply network moisturizing, water manufacturing system moisturizing；
The secondary waste water processing unit includes precipitation pond, and the import of the precipitation pond connects thermal power plant, steam power plant
Water manufacturing system low salt wash water drainage pipeline, the entrance of the outlet connection clarification stirring pool of the precipitation pond, the clarification are stirred
The entrance of the outlet connection filter device in pond is mixed, the entrance of the outlet connection secondary waste water collecting box of the filter device is described
The outlet of secondary waste water collecting box connects user, and the precipitation pond clarifies the sewage draining exit of stirring pool bottom and industrial wastewater
Processing unit is connected, and the flushing pollution discharge pipeline of the filter device is connected with industrial waste water disposal device, and the second level is useless
The user of water collection tank includes water processed, circulating cooling make-up water；
The three-level wastewater treatment equipment includes clear water reserviors and sedimentation basin, and the import of the clear water reserviors connects thermal power plant, heat
Power plant's sanitary sewage drain treatment apparatus terminal, the sedimentation basin import connect filtered rain drainage pipe, the clear water
The outlet of pond and sedimentation basin is all connected with dosing sterilizing unit entrance, and the dosing sterilizing unit outlet connection clarification stirring pool enters
Mouthful, the entrance of clarification stirring pool outlet connection filter device, the outlet of the filter device connects three-level wastewater collection pond
Entrance, the outlet of the three-level wastewater collection pond connects user, the sedimentation basin, dosing sterilizing unit, clarification stirring pool bottom
Portion's sewage draining exit is all connected with industrial wastewater treatment system, flushing pollution discharge pipeline and the industrial waste water disposal device phase of the filter device
Connection, the user of the three-level wastewater collection pond include water processed, circulating cooling make-up water；
The level Four wastewater treatment equipment includes precipitation pond, and the entrance of the precipitation pond connects thermal power plant, steam power plant
High-salt wastewater drainpipe, the entrance of the outlet connection filter device of the precipitation pond, the outlet connection of the filter device remove
Salt device portal, the entrance of the outlet connection three-level sewage collecting box of the demineralizer, the three-level sewage collecting box go out
Mouth connection user, the bottom blow-down mouth of the precipitation pond connect industrial wastewater treatment system, the filter device, demineralizer
Flushing pollution discharge pipeline be connected with industrial waste water disposal device, the user of the three-level sewage collecting box includes water processed, circulation
Water moisturizing.
The further unrestrained water includes heat supply network flushing water, the unrestrained water of normal accident of heat supply network, starting flushing water, boiler
Blowing out discharges water, the draining of machine furnace accident, the unrestrained water of machine furnace, boiler are arranged surely, boiler platoon, steam exhaust device bottom outlet；
The water manufacturing system low salt wash water includes water manufacturing system more medium filter flushing water, hyperfiltration rinsing water；
The high-salt wastewater includes recirculating water blowdown water, the reverse osmosis flushing water of water manufacturing system.
Further, the waste water treatment system further includes acidic and alkaline waste water processing unit, high concentrtion, high impurity pollutant effluents
Processing unit, desulfurization content of beary metal overstandard waste water processing unit, according to traditional industry waste water treatment system, coal-contained wastewater processing
System, oil-contained waste water treatment system, desulfurization wastewater treatment system are handled.
The thermal power plant of the utility model, steam power plant's waste water hierarchical synthesis processing system, by the way that waste water is classified, according to
Quality is different, using different wastewater collection processing systems, achievees the purpose that waste water classification processing, classified utilization, i.e. raising water
Comprehensive utilization of resources efficiency reduces water resource waste, and reduces thermal power plant's operation cost, mitigates environmental protection of enterprise pressure, really
Realize thermal power plant, the requirement of thermoelectricity factory waste water zero discharge.
Claims (4)
1. a kind of thermal power plant, steam power plant's waste water hierarchical synthesis processing system, it is characterised in that including primary wastewater processing unit, two
Grade wastewater treatment equipment, three-level wastewater treatment equipment, level Four wastewater treatment equipment；
The primary wastewater processing unit includes unrestrained water collection tank, and the entrance of the unrestrained water collection tank connects thermal power plant, heat
The unrestrained waterpipe of machine, furnace, heat supply network of power plant, the entrance of the outlet connection precipitation pond of the unrestrained water collection tank, the precipitating
Basin outlet connects the entrance of deironing apparatus, the entrance of the deironing apparatus outlet connection first level filtering device, the level-one mistake
The outlet of filter device is divided into two-way: connecting circulating cooling make-up water pipeline all the way, another way connects the entrance of settling pond, the precipitating
The entrance of the outlet connection two-stage filter of clarifying basin, the two-stage filter outlet are divided into two-way: connecting heat supply network all the way
Moisturizing pipeline, another way connect the entrance of demineralizer, and the outlet connection primary wastewater of the demineralizer collects water tank, described
Primary wastewater collect water tank connect user, the deironing apparatus, sedimentation basin, precipitating clarification basin bottom sewage draining exit with industry
Wastewater treatment equipment is connected, the level-one, two-stage filter, the flushing pollution discharge pipeline of demineralizer and Industrial Wastewater Treatment
Device is connected；
The secondary waste water processing unit includes precipitation pond, and the import of the precipitation pond connects thermal power plant, steam power plant's water
System low salt wash water drainage pipeline, the entrance of the outlet connection clarification stirring pool of the precipitation pond, the clarification stirring pool
Outlet connection filter device entrance, the filter device outlet connection secondary waste water collecting box entrance, the second level
The outlet of sewage collecting box connects user, and the precipitation pond clarifies the sewage draining exit of stirring pool bottom and Industrial Wastewater Treatment
Device is connected, and the flushing pollution discharge pipeline of the filter device is connected with industrial waste water disposal device；
The three-level wastewater treatment equipment includes clear water reserviors and sedimentation basin, and the import of the clear water reserviors connects thermal power plant, steam power plant
Sanitary sewage drain treatment apparatus terminal, the sedimentation basin import connect filtered rain drainage pipe, the clear water reserviors with
The outlet of sedimentation basin is all connected with dosing sterilizing unit entrance, and the entrance of stirring pool is clarified in dosing sterilizing unit outlet connection,
The entrance of clarification stirring pool outlet connection filter device, the outlet connection three-level wastewater collection pond of the filter device enter
Mouthful, the outlet of the three-level wastewater collection pond connects user, the sedimentation basin, dosing sterilizing unit, clarification stirring pool bottom row
Dirty mouth is all connected with industrial wastewater treatment system, and the flushing pollution discharge pipeline of the filter device is connected with industrial waste water disposal device
It connects；
The level Four wastewater treatment equipment includes precipitation pond, and entrance connection thermal power plant, the steam power plant of the precipitation pond are with high salt
Wastewater drainage pipe, the entrance of the outlet connection filter device of the precipitation pond, the outlet connection desalination dress of the filter device
Posting port, the entrance of the outlet connection three-level sewage collecting box of the demineralizer, the outlet of the three-level sewage collecting box connects
Meet user, the bottom blow-down mouth of the precipitation pond connects industrial wastewater treatment system, and the filter device, demineralizer rush
Blow-off line is washed to be connected with industrial waste water disposal device.
2. thermal power plant according to claim 1, steam power plant's waste water hierarchical synthesis processing system, it is characterised in that described unrestrained
Water includes heat supply network flushing water, the unrestrained water of normal accident of heat supply network, starting flushing water, boiler shutdown discharges water, machine furnace accident drains, machine
The unrestrained water of furnace, boiler arrange surely, boiler platoon, steam exhaust device bottom outlet；
The water manufacturing system low salt wash water includes water manufacturing system more medium filter flushing water, hyperfiltration rinsing water；
The high-salt wastewater includes recirculating water blowdown water, the reverse osmosis flushing water of water manufacturing system.
3. thermal power plant according to claim 1, steam power plant's waste water hierarchical synthesis processing system, it is characterised in that the level-one
The user of wastewater collection water tank includes circulating cooling make-up water, heat supply network moisturizing, water manufacturing system moisturizing；The use of the secondary waste water collecting box
Family includes water processed, circulating cooling make-up water；The user of the three-level wastewater collection pond includes water processed, circulating cooling make-up water；The three-level is useless
The user of water collection tank includes water processed, circulating cooling make-up water.
4. thermal power plant according to claim 1, steam power plant's waste water hierarchical synthesis processing system, it is characterised in that the waste water
Processing system further includes that acidic and alkaline waste water processing unit, high concentrtion, high impurity pollutant effluents processing unit, desulfurization content of beary metal are super
Wastewater treatment equipment is marked, according to traditional industry waste water treatment system, coal-contained wastewater processing system, oil-contained waste water treatment system, is taken off
Sulphur waste water treatment system is handled.
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| CN201821626022.9U CN208949003U (en) | 2018-10-08 | 2018-10-08 | A kind of thermal power plant, steam power plant's waste water hierarchical synthesis processing system |
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| CN201821626022.9U CN208949003U (en) | 2018-10-08 | 2018-10-08 | A kind of thermal power plant, steam power plant's waste water hierarchical synthesis processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112125355A (en) * | 2020-08-26 | 2020-12-25 | 华能国际电力股份有限公司上安电厂 | Power plant water resource utilization method based on water quality classification and cascade utilization |
-
2018
- 2018-10-08 CN CN201821626022.9U patent/CN208949003U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112125355A (en) * | 2020-08-26 | 2020-12-25 | 华能国际电力股份有限公司上安电厂 | Power plant water resource utilization method based on water quality classification and cascade utilization |
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