CN103508587A - Water purification processing device - Google Patents
Water purification processing device Download PDFInfo
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- CN103508587A CN103508587A CN201310408362.XA CN201310408362A CN103508587A CN 103508587 A CN103508587 A CN 103508587A CN 201310408362 A CN201310408362 A CN 201310408362A CN 103508587 A CN103508587 A CN 103508587A
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Abstract
The invention provides a water purification processing device, and belongs to the technical field of water purification processing. The water purification processing device comprises a water-fetching pumping station, a water distribution well, a mixer, a double-layer advection sedimentation tank, and a double-layer filtering material filtering tank. Raw water is lifted by the water-fetching pumping station, and enters the water distribution well; the raw water sequentially passes the water distribution well, the mixer, the double-layer advection sedimentation tank, and the double-layer filtering material filtering tank; and the water is discharged. The device provided by the invention is used for solving problems of low sedimentation efficiency and low retention rate of prior art. With the water purification processing device provided by the invention, especially for low-temperature low-turbidity water, sedimentation efficiency and retention rate can be substantially improved, and water quality of discharged water can be improved.
Description
Technical field
The present invention relates to clean water treatment technical field, be specifically related to a kind of water purification apparatus.
Background technology
In the engineering practice of water treatment, conventionally winter-spring season temperature and the lower surface water of turbidity are called to low temperature and low turbidity water, to the processing of this low temperature and low turbidity water, be one of difficult problem of water supply purification processing always.Conventionally adopt coagulating sedimentation filtration process to carry out purifying treatment to low temperature and low turbidity water.
In traditional coagulating sedimentation filtration process, horizontal sedimentation tank or tube settler for settling tank multiselect, filtering basin are selected single bed filter HuoVXing filter tank etc.For settling tank, horizontal sedimentation tank, owing to being subject to the restriction of winter heating insulation, is difficult to promote in the area of low temperature and low turbidity water, and the water resistant matter impact load ability of tube settler is poor, particularly, when water low temperature, to the hydrolysis effect of medicament, can decline, can cause sinking to the bottom efficiency step-down.For filtering basin, the retaining power of single bed filter is limited, under low-temperature and low turbidity condition, when especially settling tank deposition efficiency is high, pollutent does not easily penetrate filtering layer, there is particular requirement in ErVXing filter tank to processing the water quality of former water, when former water low temperature, because the coefficient of viscosity of water can raise, there will be the easily problem such as obstruction of filter tank.
Along with the raising of domestic Drinking Water water quality standard, especially for the low temperature and low turbidity water of the northern area of China, adopt the delivery turbidity after traditional coagulating sedimentation filtration process purifies to be difficult to reach " drinking water sanitary standard " requirement (GB5749-2006).Therefore for low temperature and low turbidity water, the efficiency of holding back in the deposition efficiency of settling tank in water purification treatment technology and filter tank is had higher requirement.
Summary of the invention
The object of the present invention is to provide a kind of water purification apparatus, to solve deposition efficiency and the problem of holding back inefficiency in traditional water purification treatment technology, make the former water of low-temperature and low turbidity after purified water treatment device of the present invention is processed, the water quality of water outlet can access effective lifting.
For solving the problems of the technologies described above, the invention provides a kind of water purification apparatus and comprise a water plant, a distributing well, a mixing tank, pair of lamina horizontal sedimentation tank and pair of lamina filter material filter pool; Former water promotes and enters described distributing well, water outlet after the described distributing well of flowing through successively, described mixing tank, described double-deck horizontal sedimentation tank and described double-bed filter via described water plant.
Optionally, described double-deck horizontal sedimentation tank comprises a settling tank, is positioned at the la m at described settling tank middle part and the bottom plate that is positioned at described settling tank bottom.
Optionally, on described la m and bottom plate, be respectively arranged with mud scraper.
Optionally, the degree of depth of described double-deck horizontal sedimentation tank is 6m ~ 9m.
Optionally, described double-bed filter comprises the first layer filtrate and the second layer filtrate of placing successively from top to bottom.
Optionally, the particle diameter of described the first layer filtrate is greater than the particle diameter of described second layer filtrate.
Optionally, described the first layer filtrate is hard coal, and described second layer filtrate is quartz sand.
Optionally, described double-bed filter also comprises filter screen and filter plate, and described filter screen is positioned on described the first layer filtrate, and described second layer filtrate is positioned on described filter plate.
Optionally, also comprise clear water antisepsis contact tank and a conveying pump, after described double-bed filter, after water outlet, enter successively described clear water sterilization and remove pond and conveying pump.
In water purification apparatus of the present invention, what settling tank was selected is double-deck horizontal sedimentation tank, with respect to single flat sedimentation tank, the area of double-deck horizontal sedimentation tank can effectively be dwindled, and in the north of china in winter time, the warm keeping area of its demand also obviously declines, under the prerequisite that can effectively guarantee at warm keeping, water also can be guaranteed to the hydrolysis effect of medicament, thereby can effectively improve its deposition efficiency, and the sedimentation effect of adding two-story sedimentation tank will obviously be better than individual layer settling tank.Consider, especially for the north of china in winter low temperature time, adopt double-deck horizontal sedimentation tank can guarantee, under prerequisite cheaply, significantly to improve deposition efficiency.And, former water after the High-rate sedimentation through double-deck horizontal sedimentation tank, follow-up filter tank hold back efficiency also can be improved significantly.In addition, in water purification apparatus of the present invention, at the follow-up choice for use double-bed filter of double-deck horizontal sedimentation tank, can dwindle warm keeping area equally, under the prerequisite that can effectively guarantee at warm keeping, lower the coefficient of viscosity of water, thereby reduce the possibility that filter tank is stopped up.In sum, low temperature and low turbidity water for the northern low temperature time, in water purification apparatus, select the combination process of double-deck horizontal sedimentation tank and double-bed filter, can effectively improve deposition efficiency and hold back efficiency, thereby realize the object of effectively improving effluent quality.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of water purification apparatus in the embodiment of the present invention one;
Fig. 2 is the schematic diagram of double-deck horizontal sedimentation tank in the embodiment of the present invention one;
Fig. 3 is the schematic diagram of double-bed filter in the embodiment of the present invention one.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention being proposed to water purification apparatus is described in further detail.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts very the form of simplifying and all uses non-ratio accurately, only in order to convenient, the object of the aid illustration embodiment of the present invention lucidly.
As shown in Figure 1, the water purification apparatus 100 of one embodiment of the invention comprises a water plant 1, a distributing well 2, a mixing tank 3, pair of lamina horizontal sedimentation tank 4 and pair of lamina filter material filter pool 5.Former water promotes and enters described distributing well 2 via described water plant 1, and the described distributing well 2 of flowing through successively, described mixing tank 3, described double-deck horizontal sedimentation tank 4 and the rear water outlet of described double-bed filter 5.In Fig. 1, with solid arrow, represent the flow direction of former water, with dotted arrow, represent the interpolation step of medicament.
Specifically, former water is promoted and is entered distributing well 2 by water plant 1.If while having the contamination phenomenon such as algae or burst dissolved organic matter in former water, can add potassium permanganate, Powdered Activated Carbon etc. at water plant 1 place.The emergent throwing equipment 6 that adds being connected with water plant 1 can be set for this reason.
Former water enters described mixing tank 3 after distributing well 2, when entering mixing tank 3, in order to guarantee follow-up flocculation, sedimentation effect, can in former water, add chlorine and alum, need to increase between auxiliary dosing 7, for adding dispensing agent in the former water to mixing tank 3 for this reason.
In order further to improve deposition efficiency, former water, through after mixing tank 3, is introduced into a flocculation basin 8, enters double-deck horizontal sedimentation tank 4 after flocculation reaction again.During this time, between dosing, 7 can throw coagulant aids to improve flocculating effect to adding in flocculation basin 8.
Specifically, as shown in Figure 2, described double-deck horizontal sedimentation tank 4 comprises a settling tank 41, is positioned at the la m 42 at described settling tank 41 middle parts and the bottom plate 43 that is positioned at described settling tank 41 bottoms.In order in time the throw out being deposited on described la m 42 and bottom plate 43 to be removed, on described la m 42 and bottom plate 43, be respectively arranged with mud scraper 44.The precipitation of the double-deck horizontal sedimentation tank 4 in the present embodiment is highly more shallow, and preferred, the degree of depth of described double-deck horizontal sedimentation tank is 6m ~ 9m.Most pollutent is deposited on la m 42 or bottom plate 43, through mud scraper 44, discharges.
With respect to single flat sedimentation tank, the area of double-deck horizontal sedimentation tank is much smaller, in the north of china in winter time, the warm keeping area of the double-deck horizontal sedimentation tank demand of small area is also little, therefore easily realize insulation cheaply, water after being incubated also can obviously improve the hydrolysis effect of medicament, thereby deposition efficiency can be improved, and the sedimentation effect of adding two-story sedimentation tank will obviously be better than individual layer settling tank.To sum up, especially for low temperature and low turbidity water, the deposition efficiency of the precipitation of two-story sedimentation tank will obviously be better than individual layer settling tank.Above-mentioned similar with the process of individual layer settling tank to the dosing of two-story sedimentation tank, flocculation, sludge from sedimentation tank etc., do not repeat them here.
In conjunction with Fig. 1 and Fig. 3, former water is after double-deck horizontal sedimentation tank 4, enter double-bed filter 5, described double-bed filter 5 comprises filter screen 51, the first layer filtrate 52, second layer filtrate 53 and the filter plate 54 of placing successively from top to bottom, described filter screen 51 is positioned on described the first layer filtrate 52, and described second layer filtrate 53 is positioned on described filter plate 54.In filtration procedure, the double-layer filter material of grating type can be given full play to its section of dirty effect, is conducive to extend filtration cycle, improves effluent quality.In addition, double-bed filter also can dwindle warm keeping area, under the prerequisite that can effectively guarantee at warm keeping, lowers the coefficient of viscosity of water, thereby reduces the possibility that filter tank is stopped up.In order further to reduce filtering layer stopping state, 7 add throwing flocculating aids between can be by dosing before entering double-bed filter 5.
Conventionally, described the first layer filtrate 52 and second layer filtrate 53 can be selected the filtrate of particle matter, in order further to improve the efficiency of holding back of double-bed filter 5, preferably, the particle diameter of described the first layer filtrate 52 is greater than the particle diameter of described second layer filtrate 53, for example, described the first layer filtrate 52 is hard coal, and described second layer filtrate 53 is quartz sand.For double-bed filter 5, also comprise air-water backwashing process, backwash process and gas distribution water distributor system etc., this is all to belong to prior art, does not repeat them here.
Continuation is with reference to figure 1, in order further to improve effluent quality, after double-bed filter 5, can be again through a clear water antisepsis contact tank 9, between dosing, 7 can do chlorination again at clear water antisepsis contact tank 9, to guarantee effluent quality, through clear water antisepsis contact tank 9, by a conveying pump 10, water outlet is sent into water feeding system.
In sum, pin is in northern low temperature and low turbidity water, and the present invention adopts the technique that combines of double-deck horizontal sedimentation tank and double-bed filter, can effectively reduce the efficiency that need to be incubated heating, therefore can effectively reduce heating cost.In addition, because the sedimentation effect of double-deck horizontal sedimentation tank will obviously be better than individual layer settling tank, in the situation that guaranteeing water temperature, sedimentation effect can further be optimized, thereby deposition efficiency can be greatly improved.In addition because adopted the technique combining of double-deck horizontal sedimentation tank and double-bed filter, former water after the High-rate sedimentation through double-deck horizontal sedimentation tank, follow-up filter tank hold back efficiency also can be improved significantly.Consider, low temperature and low turbidity water for the northern low temperature time, in water purification apparatus, select the combination process of double-deck horizontal sedimentation tank and double-bed filter, can effectively improve deposition efficiency and hold back efficiency, thereby realize the object of effectively improving effluent quality.
Foregoing description is only the description to preferred embodiment of the present invention, the not any restriction to the scope of the invention, and any change, modification that the those of ordinary skill in field of the present invention is done according to above-mentioned disclosure, all belong to the protection domain of claims.
Claims (9)
1. a water purification apparatus, is characterized in that, comprises a water plant, a distributing well, a mixing tank, pair of lamina horizontal sedimentation tank and pair of lamina filter material filter pool; Former water promotes and enters described distributing well, water outlet after the described distributing well of flowing through successively, described mixing tank, described double-deck horizontal sedimentation tank and described double-bed filter via described water plant.
2. water purification apparatus as claimed in claim 1, is characterized in that, described double-deck horizontal sedimentation tank comprises a settling tank, is positioned at the la m at described settling tank middle part and the bottom plate that is positioned at described settling tank bottom.
3. water purification apparatus as claimed in claim 2, is characterized in that, on described la m and bottom plate, is respectively arranged with mud scraper.
4. water purification apparatus as claimed in claim 2, is characterized in that, the degree of depth of described double-deck horizontal sedimentation tank is 6m ~ 9m.
5. water purification apparatus as claimed in claim 1 or 2, is characterized in that, described double-bed filter comprises the first layer filtrate and the second layer filtrate of placing successively from top to bottom.
6. water purification apparatus as claimed in claim 5, is characterized in that, the particle diameter of described the first layer filtrate is greater than the particle diameter of described second layer filtrate.
7. water purification apparatus as claimed in claim 6, is characterized in that, described the first layer filtrate is hard coal, and described second layer filtrate is quartz sand.
8. water purification apparatus as claimed in claim 5, is characterized in that, described double-bed filter also comprises filter screen and filter plate, and described filter screen is positioned on described the first layer filtrate, and described second layer filtrate is positioned on described filter plate.
9. water purification apparatus as claimed in claim 1, is characterized in that, also comprises clear water antisepsis contact tank and a conveying pump, enters successively described clear water sterilization and remove pond and conveying pump after described double-bed filter after water outlet.
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| CN201310408362.XA CN103508587A (en) | 2013-09-10 | 2013-09-10 | Water purification processing device |
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| CN201310408362.XA CN103508587A (en) | 2013-09-10 | 2013-09-10 | Water purification processing device |
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| CN103508587A true CN103508587A (en) | 2014-01-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785012A (en) * | 2015-03-30 | 2015-07-22 | 山东省农业科学院畜牧兽医研究所 | Livestock and poultry farm biogas slurry treatment device |
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- 2013-09-10 CN CN201310408362.XA patent/CN103508587A/en active Pending
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| CN2915215Y (en) * | 2006-05-29 | 2007-06-27 | 中国市政工程华北设计研究院 | Two layer combined deposition device |
| WO2010085013A1 (en) * | 2009-01-21 | 2010-07-29 | Kim Yu-Hyang | Non-point pollutant control device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785012A (en) * | 2015-03-30 | 2015-07-22 | 山东省农业科学院畜牧兽医研究所 | Livestock and poultry farm biogas slurry treatment device |
| CN104785012B (en) * | 2015-03-30 | 2016-07-06 | 山东省农业科学院畜牧兽医研究所 | A kind of livestock and poultry farm biogas slurry treatment device |
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Application publication date: 20140115 |