CN204798990U - Effluent treatment plant based on wet flue gas desulfurization system - Google Patents
Effluent treatment plant based on wet flue gas desulfurization system Download PDFInfo
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- CN204798990U CN204798990U CN201520484992.XU CN201520484992U CN204798990U CN 204798990 U CN204798990 U CN 204798990U CN 201520484992 U CN201520484992 U CN 201520484992U CN 204798990 U CN204798990 U CN 204798990U
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- water
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- wastewater treatment
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Abstract
The utility model discloses an effluent treatment plant based on wet flue gas desulfurization system, including gypsum whirl station, retrieval and utilization water tank, vacuum belt hydroextractor, filtrating water clarifier, filtrating water solution tank, lime stone thick liquid circulation case, desulfurization waste water treatment main system, pressure filter, outer drainage processing system and desulfurization absorption tower, upper clear water stream to the retrieval and utilization water tank of standing out from the gypsum whirl connects two way pipelines by the retrieval and utilization water tank, delivers to the desulfurization absorption tower all the way with the reuse water, and lime stone thick liquid circulation case is delivered to on another way, from lower floor's sewage entering vacuum belt hydroextractor that the gypsum whirl was stood out, the filtrating behind the belt hydroextractor of vacuum then gets into filtrating water clarifier, the hydrophobic water clarifier of filtrating that also gets into of simultaneously wet electric waste water and flue. The beneficial effects of the utility model are that: 1, reduce waste water pollution, reduce water and consume. 2, adaptability is good with stability. 3, process flow is simple, and the investment is with low costs with the fortune dimension. 4, filtrating water clarifier fruit is good.
Description
Technical field
The utility model relates to wastewater treatment equipment, and more specifically, it relates to a kind of wastewater treatment equipment based on wet desulfurization system.
Background technology
At present, for meeting stricter environmental requirement, many coal-burning power plants arrange Wet-type electric dust removal system (hereinafter referred to as wet electricity) after desulfuration absorbing tower.Wet electricity needs a large amount of flushing water, and after this partial flushing water washes away pole plate, flow out from ash bucket, component loops utilizes, and part is outer to be lined up as wet electric waste water.This effluent part contains more suspension (concentration is generally between 2000 ~ 4000mg/L), and pH value, between 4 ~ 6, cannot directly utilize.If enter in the waste water system of other device, certainly will increase pollution, causing water to consume increases, and destroys the water balance of miscellaneous equipment, and the equipment that affects runs.
Utility model content
The purpose of this utility model overcomes deficiency of the prior art, provides a kind of rational in infrastructure, reduce contaminated wastewater, reduce the wastewater treatment equipment based on wet desulfurization system of water consumption.
This wastewater treatment equipment based on wet desulfurization system, comprises gypsum rotational flow station, reuse water tank, vacuum belt dewaterer, filtrate water clarifier, filtrate water filtered water tank, lime stone slurry circulating box, desulfurization wastewater process main system, filter press, outer disintegrating system in waste pipe and desulfuration absorbing tower; Flow to reuse water tank from gypsum rotational flow station upper strata clear water out, connect two-way pipeline by reuse water tank, desulfuration absorbing tower is delivered on recycle-water one road, and lime stone slurry circulating box is delivered on another road; Vacuum belt dewaterer is entered from gypsum rotational flow station lower floor's sewage out, filtrate after vacuum belt dewaterer then enters filtrate water clarifier, wet electric waste water and flue is hydrophobic also enters filtrate water clarifier simultaneously, divide three tunnels from filtrate water clarifier liquid out, a road is overflow water, enters filtrate water filtered water tank, one tunnel is bottom sewage, enter desulfuration absorbing tower, a road is bed mud, enters filter press; Two-way is divided from filtrate water filtered water tank liquid out, one tunnel is overflow, enter lime stone slurry circulating box, another road is bottom sewage, enter wastewater treatment main system and carry out wastewater treatment, the bed mud of generation with together with filtrate water clarifier bed mud out, send into filter press, the liquid after the process of wastewater treatment main system then sends into outer disintegrating system in waste pipe, after flash distillation, be converted into salt, finally form industrial chemicals.
As preferably: increase swash plate in the middle part of described filtrate water clarifier, supernatant liquid enters swash plate from bottom, and upwards flowed clarification activities between swash plate, be furnished with the rake low rate mixing machine for spoil disposal and transmission device in bottom simultaneously.
As preferably: described filtrate water filtered water tank is the anticorrosion water tank having agitator.
The beneficial effects of the utility model are:
1, reduce contaminated wastewater, reduce water consumption
This waste water system is simultaneously to gypsum waste water, wet electric waste water with flue is hydrophobic processes, waste water after process is delivered to respectively lime stone pulping system and desulfuration absorbing tower recovery use simultaneously, the outer draining of part then generates industrial chemicals after treatment, this system reduces and even has stopped discharge of wastewater pollution, and effectively reduces the water consumption of system.
2, adaptability and good stability
This waste water system carries out improving based on the gypsum rotational flow station system of wet desulfurization system, recycle-water system and wastewater treatment main system, and be applicable to all wet desulfurization systems, adaptability is good.When whole system tackles changeable operating mode, adaptability is good, reliable and stable.
3, technological process is simple, investment and O&M cost low
The gypsum rotational flow station system of the more original wet desulphurization of this waste water system, recycle-water system and wastewater treatment main system, decrease Filtrate separator, add filtrate water clarifier, filtrate water filtered water tank and connecting pipe, system process simple, intuitive.System capital equipment, material are conventional products, and be easy to buying, cost of investment is low.Filtrate water clarifier power is not more than 3kW, and energy consumption is lower, and system equipment is few, and pipeline is simple, and the byproduct simultaneously produced can bring certain income, and offset part O&M cost, O&M cost is low.
4, comparatively fruit is good for filtrate water clarifier
Filtrate water clarifier volume is large, and swash plate is housed, and effectively can promote clarifying effect.
Accompanying drawing explanation
Fig. 1 is the utility model system architecture schematic diagram;
Fig. 2 is single filtrate water clarifier schematic diagram;
Description of reference numerals: water inlet 1, delivery port 2, mud discharging mouth 3, transmission device 4, swash plate 5, reuse water tank 6, gypsum rotational flow station 7, vacuum belt dehydration 8, wet electric waste water and flue are hydrophobic 9, filtrate water clarifier 10, filtrate water filtered water tank 11, lime stone slurry circulating box 12, desulfuration absorbing tower 13, wastewater treatment main system 14, outer disintegrating system in waste pipe 15, filter press 16.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is described further.The explanation of following embodiment just understands the utility model for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
As shown in Figure 1 to Figure 2.This wastewater treatment equipment based on wet desulfurization system of the present utility model, comprises gypsum rotational flow station 7, reuse water tank 6, vacuum belt dewaterer 8, filtrate water clarifier 10, filtrate water filtered water tank 11, lime stone slurry circulating box 12, desulfurization wastewater process main system 14, filter press 16, outer disintegrating system in waste pipe 15 and desulfuration absorbing tower 13; Flow to reuse water tank 6 from gypsum rotational flow station 7 upper strata clear water out, connect two-way pipeline by reuse water tank 6, desulfuration absorbing tower 13 is delivered on recycle-water one road, and lime stone slurry circulating box 12 is delivered on another road; Vacuum belt dewaterer 8 is entered from gypsum rotational flow station 7 lower floor's sewage out, filtrate after vacuum belt dewaterer 8 then enters filtrate water clarifier 10, wet electric waste water and flue is hydrophobic also enters filtrate water clarifier 10 simultaneously, divide three tunnels from filtrate water clarifier 10 liquid out, a road is overflow water, enters filtrate water filtered water tank 11, one tunnel is bottom sewage, enter desulfuration absorbing tower 13, a road is bed mud, enters filter press 16; Two-way is divided from filtrate water filtered water tank 11 liquid out, one tunnel is overflow, enter lime stone slurry circulating box 12, another road is bottom sewage, enter wastewater treatment main system 14 and carry out wastewater treatment, the bed mud of generation with together with filtrate water clarifier 10 bed mud out, send into filter press 16, the liquid after the process of wastewater treatment main system then sends into outer disintegrating system in waste pipe 15, after flash distillation, be converted into salt, finally form industrial chemicals.Increase swash plate 5 in the middle part of described filtrate water clarifier 10, supernatant liquid enters swash plate 5 from bottom, and upwards flowed clarification activities between swash plate 5, is furnished with the rake low rate mixing machine for spoil disposal and transmission device 4 in bottom simultaneously.Filtrate water filtered water tank 11 is for there being the anticorrosion water tank of agitator.
Native system with gypsum rotational flow station 7 for line of demarcation can be divided into two parts, i.e. recycle-water part and sewage disposal part, visible Fig. 1 of concrete composition of system.
(1) recycle-water part
Flow to reuse water tank 6 from gypsum rotational flow station 7 upper strata clear water out, connect two-way pipeline by reuse water tank 6, desulfuration absorbing tower 13 is delivered on recycle-water one road, and lime stone slurry circulating box 12 is delivered on another road.
(2) sewage disposal part
Flow to reuse water tank 6 from gypsum rotational flow station 7 upper strata clear water out, connect two-way pipeline by reuse water tank 6, desulfuration absorbing tower 13 is delivered on recycle-water one road, and lime stone slurry circulating box 12 is delivered on another road; Vacuum belt dewaterer 8 is entered from gypsum rotational flow station 7 lower floor's sewage out, filtrate after vacuum belt dewaterer 8 then enters filtrate water clarifier 10, wet electric waste water and flue is hydrophobic also enters filtrate water clarifier 10 simultaneously, divide three tunnels from filtrate water clarifier 10 liquid out, a road is overflow water, enters filtrate water filtered water tank 11, one tunnel is bottom sewage, enter desulfuration absorbing tower 13, a road is bed mud, enters filter press 16; Two-way is divided from filtrate water filtered water tank 11 liquid out, one tunnel is overflow, enter lime stone slurry circulating box 12, another road is bottom sewage, enter wastewater treatment main system 14 (i.e. the original wastewater treatment main system of wet desulfurization system) and carry out wastewater treatment, the bed mud produced with together with filtrate water clarifier 10 bed mud out, send into filter press 16, liquid after the process of wastewater treatment main system then sends into outer disintegrating system in waste pipe 15, after flash distillation (utilizing boiler of power plant auxiliary steam to evaporate waste water), be converted into salt, finally form industrial chemicals.
(3) filtrate water clarifier 10
The comparatively general prelimer volume about 20% to 50% used of described filtrate water clarifier 10, and middle part increases swash plate 5 in case, treat that supernatant liquid enters swash plate 5 district from bottom, clarification activities is completed in the process upwards flowed between plate, clarifying effect can be promoted further, be furnished with rake low rate mixing machine and transmission device 4 in bottom simultaneously, for spoil disposal, the visible Fig. 2 of concrete structure.
(4) wastewater treatment main system 14
The treatment additive of raw wastewater process main system 14 is Ca (OH)
2, change to NaOH in the present system, effectively can reduce the solid content in outer draining.
(5) filtrate water filtered water tank 11
Filtrate water filtered water tank 11 is one with the anticorrosion water tank of agitator, because water quality is comparatively clear, uses when this water tank normally works as transfer water tank, when there is accident conditions, when namely entering this water tank with the water of a large amount of impurity, can start agitator and preventing bed mud from depositing.This filtrate water filtered water tank 11 plays the effect of intermediate transit and storage, make the clear liquid in waste water can apply to limestone pulping, waste water advanced improvement two aspects according to operating mode, the cooperation of filtrate water clarifier 10 and filtrate water filtered water tank 11, makes system cloud gray model effectively ensure.
Claims (3)
1. based on a wastewater treatment equipment for wet desulfurization system, it is characterized in that: comprise gypsum rotational flow station (7), reuse water tank (6), vacuum belt dewaterer (8), filtrate water clarifier (10), filtrate water filtered water tank (11), lime stone slurry circulating box (12), desulfurization wastewater process main system (14), filter press (16), outer disintegrating system in waste pipe (15) and desulfuration absorbing tower (13); Reuse water tank (6) is flow to from gypsum rotational flow station (7) upper strata clear water out, two-way pipeline is connect by reuse water tank (6), desulfuration absorbing tower (13) is delivered on recycle-water one road, and lime stone slurry circulating box (12) is delivered on another road; Vacuum belt dewaterer (8) is entered from gypsum rotational flow station (7) lower floor's sewage out, filtrate after vacuum belt dewaterer (8) then enters filtrate water clarifier (10), wet electric waste water and flue is hydrophobic also enters filtrate water clarifier (10) simultaneously, three tunnels are divided from filtrate water clarifier (10) liquid out, one tunnel is overflow water, enter filtrate water filtered water tank (11), one tunnel is bottom sewage, enter desulfuration absorbing tower (13), one tunnel is bed mud, enters filter press (16); Two-way is divided from filtrate water filtered water tank (11) liquid out, one tunnel is overflow, enter lime stone slurry circulating box (12), another road is bottom sewage, enter wastewater treatment main system (14) and carry out wastewater treatment, the bed mud produced with together with filtrate water clarifier (10) bed mud out, send into filter press (16), liquid after the process of wastewater treatment main system then sends into outer disintegrating system in waste pipe (15), after flash distillation, be converted into salt, finally form industrial chemicals.
2. the wastewater treatment equipment based on wet desulfurization system according to claim 1, it is characterized in that: described filtrate water clarifier (10) middle part increases swash plate (5), supernatant liquid enters swash plate (5) from bottom, upwards flowed clarification activities between swash plate (5), is furnished with the rake low rate mixing machine for spoil disposal and transmission device (4) in bottom simultaneously.
3. the wastewater treatment equipment based on wet desulfurization system according to claim 1, is characterized in that: described filtrate water filtered water tank (11) is for there being the anticorrosion water tank of agitator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520484992.XU CN204798990U (en) | 2015-07-02 | 2015-07-02 | Effluent treatment plant based on wet flue gas desulfurization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520484992.XU CN204798990U (en) | 2015-07-02 | 2015-07-02 | Effluent treatment plant based on wet flue gas desulfurization system |
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| Publication Number | Publication Date |
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| CN204798990U true CN204798990U (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520484992.XU Withdrawn - After Issue CN204798990U (en) | 2015-07-02 | 2015-07-02 | Effluent treatment plant based on wet flue gas desulfurization system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104984589A (en) * | 2015-07-02 | 2015-10-21 | 浙江天地环保工程有限公司 | Wastewater treatment device based on wet desulphurization system |
-
2015
- 2015-07-02 CN CN201520484992.XU patent/CN204798990U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104984589A (en) * | 2015-07-02 | 2015-10-21 | 浙江天地环保工程有限公司 | Wastewater treatment device based on wet desulphurization system |
| CN104984589B (en) * | 2015-07-02 | 2017-04-19 | 浙江天地环保科技有限公司 | Wastewater treatment device based on wet desulphurization system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Hangzhou City, Zhejiang province 310012 Huaxing Road No. 99 (Hangzhou Neusoft business building) Patentee after: Zhejiang Tiandi Environmental Protection Technology Co., Ltd. Address before: 310003 Hangzhou City, Fung Fung Road, No. Guoxin real estate building, building 9, building 108 Patentee before: Zhejiang Tiandi Environmental Protection Engineering Co., Ltd. |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151125 Effective date of abandoning: 20170419 |