CN206783461U - A kind of desulfurizing waste water processing device - Google Patents
A kind of desulfurizing waste water processing device Download PDFInfo
- Publication number
- CN206783461U CN206783461U CN201720436562.XU CN201720436562U CN206783461U CN 206783461 U CN206783461 U CN 206783461U CN 201720436562 U CN201720436562 U CN 201720436562U CN 206783461 U CN206783461 U CN 206783461U
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- Prior art keywords
- waste water
- processing device
- spraying
- baffle
- concentrator
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Abstract
The utility model proposes a kind of desulfurizing waste water processing device, is connected to after three headers, including be sequentially connected electrodialysis plant, spraying concentrator, MVR vapo(u)rization systems；The spraying concentrator includes atomizer and gas distributor；The electrodialysis plant is connected with baffle-box, and the baffle-box connects atomizer；The spraying concentrator is connected with concentrated water case, and the concentrated water case is connected with concentrated water pump, and the concentrated water pump connects MVR vapo(u)rization systems；The spraying concentrator is also connected with cyclone dust collectors, and the cyclone dust collectors are connected with demister, and the demister is connected with air-introduced machine；In being connected with the first alkaline chemicals dosing plant on the baffle-box.A kind of desulfurizing waste water processing device described in the utility model realizes the zero-emission of desulfurization wastewater, takes full advantage of existing equipment, save equipment investment cost to solve the problems, such as that traditional three header techniques can not handle chlorion.
Description
Technical field
Environmental protection technical field is the utility model is related to, more particularly, to a kind of desulfurizing waste water processing device.
Background technology
Thermal power plant generally uses wet desulphurization FGD devices.FGD devices accumulate substantial amounts of chlorion aggravation in the process of running
Equipment corrosion, it is therefore desirable to chlorion is discharged in the form of desulfurization wastewater, to maintain FGD systems in the environment of low chlorine ion concentration
Lower operation.The source of chlorion is mainly flue gas, process water and milk of lime etc..Simultaneously desulfurization wastewater also containing sodium dithionate,
The impurity such as sulfate, sulphite and heavy metal ion.Requirement is transformed in response to the minimum discharge of power plant, many thermal power plants will
Ask and designed by full factory's waste water zero emission.Thermal power plant generally uses three traditional header techniques, that is, neutralizes case, reaction chamber, flocculation
Case, three header techniques can not handle chlorion, at the same most desulfurization wastewater can not handle it is up to standard.At three header techniques
Desulfurization wastewater after reason is still containing salts such as sodium chloride.Existing equipment is utilized as far as possible, and newly-increased equipment component can reach zero-emission
Put the present situation of the proper most of coal-burning power plant at present of purpose, and cost of reducing investment outlay.The water of desulfurization wastewater is larger, if
It is typically slightly smaller in 3-12t/h, actual treatment amount to count water.But this water is dry or bigger for Direct spraying
, it is necessary to consume substantial amounts of heat energy, there is higher operating cost；Larger equipment is needed simultaneously, adds cost of investment.
Thus, it is desirable to propose a kind of desulfurizing waste water processing device, prior art is combined, to solve to ask present in prior art
Topic.
Utility model content
The utility model proposes a kind of desulfurizing waste water processing device, to solve the problems, such as desulfurization wastewater exhaust emission environment.
What the technical solution of the utility model was realized in：
A kind of desulfurizing waste water processing device, be connected to after three headers, including be sequentially connected electrodialysis plant, spraying it is dense
Contracting device, MVR vapo(u)rization systems；The spraying concentrator includes atomizer and gas distributor；The electrodialysis plant is connected with slow
Case is rushed, the baffle-box connects atomizer；The spraying concentrator is connected with concentrated water case, and the concentrated water case is connected with concentrated water pump,
The concentrated water pump connects MVR vapo(u)rization systems；The spraying concentrator connects cyclone dust collectors, and the cyclone dust collectors, which are connected with, to be removed
Day with fog, the demister are connected with air-introduced machine；In being connected with the first alkaline chemicals dosing plant on the baffle-box.
Further, the baffle-box is provided with the first agitator.
Further, the described first alkaline chemicals dosing plant is Sodium Hydroxide Alkaline chemicals dosing plant.
Further, the second alkaline chemicals dosing plant is connected on the concentrated water case, the concentrated water case is provided with the second agitator.
Further, the described second alkaline chemicals dosing plant is Sodium Hydroxide Alkaline chemicals dosing plant.
Further, waste water tank is provided between three header and electrodialysis plant, in the waste water tank and electrodialysis
The first waste water pump is connected between device.
Further, the second waste water pump is provided between the baffle-box and atomizer.
Further, the MVR vapo(u)rization systems connection condensed water collecting box.
Above-mentioned technical proposal is employed, the beneficial effects of the utility model are：It make use of traditional three header process equipments, place
Desulfurization wastewater is managed, saves equipment investment cost, realizes the purpose of zero-emission, is relatively adapted to the present situation of most of coal-burning power plant.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model；
Wherein：1- waste water tanks, the waste water pumps of 2- first, 3- electrodialysis plants, 4- baffle-boxs, the agitators of 401- first, 5-
One alkaline chemicals dosing plant, the waste water pumps of 6- second, 7- spraying concentrators, 701- atomizers, 702- gas distributors, 8- cyclone dust removals
Device, 9- demisters, 10- air-introduced machines, 11- concentrated water casees, the agitators of 1101- second, the second alkaline chemicals dosing plants of 12-, 13- concentrated waters
Pump, 14-MVR vapo(u)rization systems, 15- condensed water collecting boxes.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
The utility model embodiment is related to a kind of desulfurizing waste water processing device, as shown in fig. 1, including the electricity being sequentially connected
Electrodialysis apparatus 3, spraying concentrator 7, MVR vapo(u)rization systems 14；The electrodialysis plant 3 is connected with baffle-box 4, the baffle-box 4
Connect spraying concentrator 7；The spraying concentrator 7 includes atomizer 701 and gas distributor 702, and flue gas passes to gas distribution
Device 702；The spraying concentrator 7 is connected with concentrated water case 11, and the concentrated water case 11 is connected with concentrated water pump 13, and the concentrated water pump 13 connects
MVR vapo(u)rization systems 14 are connect, MVR vapo(u)rization systems 14 are heated by vapours to it；The spraying concentrator 7 connects cyclone dust collectors
8, the cyclone dust collectors 8 are connected with the demister 9 that can remove steam in flue gas, and the demister 9 is connected with air-introduced machine 10, drawn
Blower fan 10 connects flue；In being connected with the first alkaline chemicals dosing plant 5 on the baffle-box 4.
Wherein, electrodialysis plant 3 and MVR vapo(u)rization systems 14 are prior art, and number of patent application is
201120557807.7 Chinese patent proposes electrodialysis plant, and the Chinese patent that number of patent application is 00232612.4 proposes
A kind of spraying concentrator, spraying concentrator be one kind mainly using macromolecule as structure material, can using flue gas as thermal source
In the device of relatively low (70-150 DEG C) progress spray concentration operation of evaporating temperature.Number of patent application is 201320346309.7
Chinese utility model patent proposes a kind of MVR vapo(u)rization systems, and MVR vapo(u)rization systems are that one kind is mainly used as structural wood using macromolecule
Matter, using steam as thermal source, in relatively low evaporating temperature (70-150 DEG C) can be evaporated the device of operation.
In order that the alkaline drug added in the baffle-box 4 fully dissolves, the first agitator is provided with baffle-box 4
401.The first alkaline chemicals dosing plant 5 is Sodium Hydroxide Alkaline chemicals dosing plant, and the first alkaline chemicals dosing plant 5 can also be hydrogen-oxygen
Change calcium or other alkaline chemicals dosing plants.
In order to prevent chlorion from being escaped in acid condition in the form of hydrogen chloride, into air or etching apparatus, protect
Card desulfurization wastewater enters in the basic conditions is evaporated device, and the second alkaline chemicals dosing plant 12, institute are connected on the concentrated water case 11
Concentrated water case 11 is stated provided with the second agitator 1101 to be sufficiently stirred addition alkaline drug, PH is in 8-9 for regulation.Second alkalescence
Chemicals dosing plant 12 is Sodium Hydroxide Alkaline chemicals dosing plant, and the second alkaline chemicals dosing plant can also be that calcium hydroxide or other dosings fill
Put.
Waste water tank 1 is provided between the header of existing equipment three and electrodialysis plant 3, three header connects via waste water tank
First waste water pump 2, first waste water pump 2 connect electrodialysis plant 3.Desulfurization wastewater in waste water tank 1 is by the pump of the first waste water pump 2
It is sent to electrodialysis plant 3.
It is connected in the baffle-box 4 with the sprayer 701 of spraying concentrator 7, the baffle-box 4 is between sprayer 701
Provided with the second waste water pump 6, the second waste water pump 6 is high-pressure pump.Under the driving of the second waste water pump, desulfurization wastewater enters sprayer mist
Change.The spraying concentrator 7 is connected to MVR vapo(u)rization systems via concentrated water case 11.
The MVR vapo(u)rization systems 14 connect condensed water collecting box 15, for collecting condensed water.
The utility model make use of traditional three header process equipments, handle desulfurization wastewater, save equipment investment cost, realize
The purpose of zero-emission, relatively it is adapted to the present situation of most of coal-burning power plant.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (8)
1. a kind of desulfurizing waste water processing device, it is connected to after three headers, it is characterised in that:Including the electrodialysis dress being sequentially connected
Put, spraying concentrator, MVR vapo(u)rization systems；The spraying concentrator includes atomizer and gas distributor；The electrodialysis plant
Baffle-box is connected with, the baffle-box connects atomizer；The spraying concentrator is connected with concentrated water case, and the concentrated water case is connected with
Concentrated water pump, the concentrated water pump connect MVR vapo(u)rization systems；The spraying concentrator connects cyclone dust collectors, the cyclone dust collectors
Demister is connected with, the demister is connected with air-introduced machine；In being connected with the first alkaline chemicals dosing plant on the baffle-box.
2. desulfurizing waste water processing device according to claim 1, it is characterised in that：Stirred in the baffle-box provided with first
Mix device.
3. desulfurizing waste water processing device according to claim 1, it is characterised in that：The first alkaline chemicals dosing plant is hydrogen
Sodium oxide molybdena alkalescence chemicals dosing plant.
4. desulfurizing waste water processing device according to claim 1, it is characterised in that：The alkalescence of connection second on the concentrated water case
Chemicals dosing plant, the concentrated water case are provided with the second agitator.
5. desulfurizing waste water processing device according to claim 4, it is characterised in that：The second alkaline chemicals dosing plant is hydrogen
Sodium oxide molybdena alkalescence chemicals dosing plant.
6. desulfurizing waste water processing device according to claim 1, it is characterised in that：In three header and electrodialysis plant
Between be provided with waste water tank, the first waste water pump is connected between the waste water tank and electrodialysis plant.
7. desulfurizing waste water processing device according to claim 1, it is characterised in that：Between the baffle-box and atomizer
Provided with the second waste water pump.
8. desulfurizing waste water processing device according to claim 1, it is characterised in that：The MVR vapo(u)rization systems are connected with cold
Condensed water collection case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720436562.XU CN206783461U (en) | 2017-04-24 | 2017-04-24 | A kind of desulfurizing waste water processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720436562.XU CN206783461U (en) | 2017-04-24 | 2017-04-24 | A kind of desulfurizing waste water processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206783461U true CN206783461U (en) | 2017-12-22 |
Family
ID=60707835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720436562.XU Expired - Fee Related CN206783461U (en) | 2017-04-24 | 2017-04-24 | A kind of desulfurizing waste water processing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206783461U (en) |
-
2017
- 2017-04-24 CN CN201720436562.XU patent/CN206783461U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20171222 Termination date: 20210424 |