CN205188031U - Multiple waste water totally enclosed integrated processing system of thermal power plant - Google Patents
Multiple waste water totally enclosed integrated processing system of thermal power plant Download PDFInfo
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- CN205188031U CN205188031U CN201520986921.XU CN201520986921U CN205188031U CN 205188031 U CN205188031 U CN 205188031U CN 201520986921 U CN201520986921 U CN 201520986921U CN 205188031 U CN205188031 U CN 205188031U
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Abstract
The utility model relates to a multiple waste water totally enclosed integrated processing system of thermal power plant drags for the sediment processing through the reentrant sediment ship that drags for after desulfurization waste water, chemical sludge, the preliminary mixing of sediment muddy water, and the sediment sulphur water of overflow later goes out water and mixed the emission or the retrieval and utilization of treatment of domestic sewage play water through processing such as follow -up clarification and coagulating sedimentation. Compared with the prior -art cosmetic case, the utility model has the advantages of reform transform on existing conventional system basis simple and convenient, its operation basically need the increase personnel operation, waste control by waste, energy -conserving high -efficient, without individual curing chemical sludge and desulfurization waste water, it is with low costs to reduce the production run, the multiple waste water of synchronous processing power plant can improve waste water treatment retrieval and utilization volume, improves the cleaner production of thermal power plant level.
Description
Technical field
The utility model relates to the comprehensive treating process of thermal power plant's various wastewater, comprise desulfurization wastewater, clinker water, chemical sludge and sanitary sewage etc., be applicable to the water treatment field of thermal power industry and environmental protection industry (epi), particularly relate to a kind of thermal power plant various wastewater totally enclosed total system.
Background technology
Fuel-burning power plant produces multiple factory effluent of different nature, the process usual sub-prime shunting individual curing of waste water.Waste water treatment process is generally physico-chemical process, and individual curing difficulty and running cost are all higher, along with the requirement increasingly stringent of environment protection, explores a kind of thermoelectricity waste water comprehensive processing technique, and realizing the treatment of wastes with processes of wastes against one another and energy-saving and emission-reduction becomes a kind of needs.Current, part power plant attempts desulfurization wastewater, excessive pulp water and hydraulic(-ash) sluicing water to enter slag water treatment system combination treatment, achieves certain effect.Clean water treatment produces more chemically reactive mud in addition, its solid matter mainly flocculation agent and trapping suspended substance formed flco, direct discharge pollutes the environment, mainly adopt processed separately at present, running cost is higher, as itself and desulfurization wastewater are introduced slag water treatment system in the lump, absorption and the trapping of wherein remaining flocculation agent and other mud flco raising slag sulphur pollutant in water can be made full use of, improve the settling property of suspended substance, save medicine consumption and mud comprehensive treating process expense, there is good economic benefit and environmental benefit.Thermal power plant also produces a certain amount of sanitary sewage, and its water quality after biochemical treatment is relatively better, can reduce the chlorine ion concentration mixing clear water, can reach power plant's industrial reuse water requirement with slag sulphur water treatment water outlet after mixing.In addition, current power plant generally drag in slag ship adopt service water dilute cooling, adopt various wastewater mixing can substitute service water realize cooling object.Therefore the process program that above-mentioned various wastewater carries out comprehensive treating process is with a wide range of applications.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of thermal power plant various wastewater totally enclosed total system, to solve deficiency of the prior art.
In order to achieve the above object, the purpose of this utility model is achieved through the following technical solutions:
A kind of thermal power plant various wastewater totally enclosed total system is provided, wherein, comprises mixing tank, drag for slag ship, slag sulphur water scratch pool, ash flushing water collecting tank, thickner, buffering settling pond, equalizing tank, first coagulation reaction tank, second coagulation reaction tank, secondary clarifier, clean water basin, sludge sump and sludge dewatering equipment, described in drag for slag gear have middle part chamber, the water level of described mixing tank higher than the described water level dragging for slag ship, the bottom of described mixing tank and the described middle part chamber dragging for slag ship, described in drag for slag ship, described slag sulphur water scratch pool, described thickner connects successively, and described thickner connects described ash flushing water collecting tank and described buffering settling pond respectively, described thickner, described mixing tank, the described slag ship that drags for connects successively, described buffering settling pond, described equalizing tank, described first coagulation reaction tank, described second coagulation reaction tank, described secondary clarifier, described clean water basin connect successively, described secondary clarifier, described sludge sump is connected successively with described sludge dewatering equipment.
Above-mentioned thermal power plant various wastewater totally enclosed total system, wherein, is provided with the first stirrer and pH meter in described first coagulation reaction tank.
Above-mentioned thermal power plant various wastewater totally enclosed total system, wherein, the second coagulation reaction tank is provided with the second stirrer.
Compared with the prior art, the beneficial effects of the utility model are:
1) transform on existing conventional system basis simple and convenient, its run substantially do not need increase human users;
2) treatment of wastes with processes of wastes against one another, efficient energy-saving, without individual curing chemical sludge and desulfurization wastewater, reduces production run cost low;
3) synchronous processing power plant various wastewater, can improve wastewater treatment and renovation amount, improves thermal power plant's level of clean production.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural representation of the utility model thermal power plant various wastewater totally enclosed total system;
Wherein: 1-mixing pond 2-drags for slag ship 3-slag sulphur water scratch pool 4-ash flushing water collecting tank 5-thickner 6-and cushions settling pond 7-equalizing tank 8-first coagulation reaction tank 9-second coagulation reaction tank 210-secondary clarifier 11-clean water basin 12-sludge sump 13-sludge dewatering equipment
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.
The utility model is entered after being pre-mixed by desulfurization wastewater, chemical sludge, slag muddy water to drag for slag ship and drag for Slag treatment again, the slag sulphur water of overflow afterwards through process such as follow-up clarification and coagulating sedimentation, water outlet and sanitary sewage disposal water outlet dual disposal or reuse.Specifically, shown in figure 1, the utility model thermal power plant various wastewater totally enclosed total system comprises mixing tank 1, drag for slag ship 2, slag sulphur water scratch pool 3, ash flushing water collecting tank 4, thickner 5, buffering settling pond 6, equalizing tank 7, first coagulation reaction tank 8, second coagulation reaction tank 9, secondary clarifier 10, clean water basin 11, sludge sump 12 and sludge dewatering equipment 13, drag for slag ship 2 and there is middle part chamber, the water level of mixing tank 1 is higher than the water level dragging for slag ship 2, bottom and the middle part chamber dragging for slag ship 2 of mixing tank 1, drag for slag ship 2, slag sulphur water scratch pool 3, thickner 5 connects successively, thickner 5 connects ash flushing water collecting tank 4 and buffering settling pond 6 respectively, thickner 5, mixing tank 1, drag for slag ship 2 to connect successively, buffering settling pond 6, equalizing tank 7, first coagulation reaction tank 8, second coagulation reaction tank 9, secondary clarifier 10, clean water basin 11 connect successively, secondary clarifier 10, sludge sump 12 is connected successively with sludge dewatering equipment 13.
In preferred embodiment of the present utility model, be provided with the first stirrer and pH meter in the first coagulation reaction tank 8, the second coagulation reaction tank 9 is provided with the second stirrer.
The method that the utility model thermal power plant various wastewater totally enclosed total system realizes comprises the following steps:
Mixing tank 1 is for dragging for the preposition pretreatment unit of slag ship, and the water outlet overflow of dragging for slag ship 2 enters slag sulphur water scratch pool 3, then by concentration and settlement process in pump delivery to thickner 5;
Thickner 5 processes the spoil disposal from the slag sulphur water of slag sulphur water scratch pool 3, the ash flushing water of ash flushing water collecting tank 4 collection and buffering settling pond 6, the supernatant liquor of discharging enters buffering settling pond 6 and processes, and the slag mud of discharge is dragged for slag ship 2 by pump delivery process to entering after mixing tank 1 mixes with desulfurization wastewater and chemical sludge;
The a part of effluent reuse of buffering settling pond 6 makes ash flushing water, and part gravity flow enters equalizing tank 7 to treat subsequent disposal, and the mud of discharge is processed to thickner 5 by pump delivery;
In the first coagulation reaction tank 8, feeding lime regulates waste water ph, and add flocculation agent, add heavy metal chelating agent when heavy metals exceeds standard, dosage is determined depending on waste water quality situation;
In the second coagulation reaction tank 9, throw coagulant aids, dosage is determined depending on waste water quality situation and follow-up clarification and effluent effect;
In clean water basin 11, collect secondary clarifier 10 water outlet and sanitary wastewater process water outlet, and add salt acid for adjusting pH depending on water quality situation, add disinfection by chlorine dioxide and decolouring.
As can be seen from above-described embodiment, advantage of the present utility model is:
1) transform on existing conventional system basis simple and convenient, its run substantially do not need increase human users;
2) treatment of wastes with processes of wastes against one another, efficient energy-saving, without individual curing chemical sludge and desulfurization wastewater, reduces production run cost low;
3) synchronous processing power plant various wastewater, can improve wastewater treatment and renovation amount, improves thermal power plant's level of clean production.
Be described in detail specific embodiment of the utility model above, but the utility model is not restricted to specific embodiment described above, it is just as example.To those skilled in the art, any equivalent modifications and substitute also all among category of the present utility model.Therefore, not departing from equalization conversion done under spirit and scope of the present utility model and amendment, all should be encompassed in scope of the present utility model.
Claims (3)
1. thermal power plant's various wastewater totally enclosed total system, is characterized in that, comprises mixing tank (1), drag for slag ship (2), slag sulphur water scratch pool (3), ash flushing water collecting tank (4), thickner (5), buffering settling pond (6), equalizing tank (7), first coagulation reaction tank (8), second coagulation reaction tank (9), secondary clarifier (10), clean water basin (11), sludge sump (12) and sludge dewatering equipment (13), the described slag ship (2) that drags for has middle part chamber, the water level of described mixing tank (1) is higher than the described water level dragging for slag ship (2), the bottom of described mixing tank (1) and the described middle part chamber dragging for slag ship (2), described in drag for slag ship (2), described slag sulphur water scratch pool (3), described thickner (5) connects successively, and described thickner (5) connects described ash flushing water collecting tank (4) and described buffering settling pond (6) respectively, described thickner (5), described mixing tank (1), the described slag ship (2) that drags for connects successively, described buffering settling pond (6), described equalizing tank (7), described first coagulation reaction tank (8), described second coagulation reaction tank (9), described secondary clarifier (10), described clean water basin (11) connect successively, described secondary clarifier (10), described sludge sump (12) is connected successively with described sludge dewatering equipment (13).
2. thermal power plant's various wastewater totally enclosed total system as claimed in claim 1, is characterized in that, be provided with the first stirrer and pH meter in described first coagulation reaction tank (8).
3. thermal power plant's various wastewater totally enclosed total system as claimed in claim 2, it is characterized in that, the second coagulation reaction tank (9) is provided with the second stirrer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520986921.XU CN205188031U (en) | 2015-12-02 | 2015-12-02 | Multiple waste water totally enclosed integrated processing system of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520986921.XU CN205188031U (en) | 2015-12-02 | 2015-12-02 | Multiple waste water totally enclosed integrated processing system of thermal power plant |
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| Publication Number | Publication Date |
|---|---|
| CN205188031U true CN205188031U (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520986921.XU Expired - Fee Related CN205188031U (en) | 2015-12-02 | 2015-12-02 | Multiple waste water totally enclosed integrated processing system of thermal power plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105439321A (en) * | 2015-12-02 | 2016-03-30 | 湖南华电长沙发电有限公司 | System and method for totally-enclosed type comprehensive treatment of various waste waters of thermal power plant |
-
2015
- 2015-12-02 CN CN201520986921.XU patent/CN205188031U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105439321A (en) * | 2015-12-02 | 2016-03-30 | 湖南华电长沙发电有限公司 | System and method for totally-enclosed type comprehensive treatment of various waste waters of thermal power plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20191202 |