CN101570369A - Method and device for purifying drinking water of polluted water source - Google Patents

Method and device for purifying drinking water of polluted water source Download PDF

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Publication number
CN101570369A
CN101570369A CNA200810105817XA CN200810105817A CN101570369A CN 101570369 A CN101570369 A CN 101570369A CN A200810105817X A CNA200810105817X A CN A200810105817XA CN 200810105817 A CN200810105817 A CN 200810105817A CN 101570369 A CN101570369 A CN 101570369A
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China
Prior art keywords
water
pond
tank
catalyzed oxidation
polluted source
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Pending
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CNA200810105817XA
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Chinese (zh)
Inventor
董玉波
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Beijing Jinao Huarong Science and Technology Co Ltd
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Beijing Jinao Huarong Science and Technology Co Ltd
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Priority to CNA200810105817XA priority Critical patent/CN101570369A/en
Publication of CN101570369A publication Critical patent/CN101570369A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a method and a device for purifying drinking water of a polluted water source. The method comprises the steps of chlorination, flocculation sedimentation, sand filtration, catalytic oxidation, active carbon adsorption and precise filtration. The device comprises a chlorination tank, a flocculation sedimentation tank, a sand filtration tank, a catalytic oxidation tank, an active carbon adsorption tank and a precise filtration tank, wherein the chlorination tank, the flocculation sedimentation tank, the sand filtration tank, the catalytic oxidation tank, the active carbon adsorption tank and the precise filtration tank are connected together in turn. A stirring paddle is arranged in the chlorination tank, a traverse baffle is arranged in the flocculation sedimentation tank, catalytic particles and an ultraviolet lamp are arranged in the catalytic oxidation tank, and the catalytic oxidation tank can be connected with an ozonizer. The method and the device have the advantages of reasonable process, simple equipment and good processing effect, is easy to be accepted by people, and is mainly used for deep purification treatment on water which is polluted to certain degree, and the yielding water can be used as the drinking water.

Description

The drink water purifying method and apparatus of polluted source
Technical field
The present invention relates to a kind of water purification treatment technology, specifically, is the device for purifying potable water that contains certain pollutent in a kind of water source.
Background technology
Usually; for standard compliant water source; the processing of tap water mainly can be adopted husky filter and disinfection way; organic pollutant in the water source and microorganism generally all can arrive drinking water standard through husky filter with after sterilizing; but because mankind's activity is to the pollution of environment, surface water even some underground water are during as the drinking water source; have the phenomenon that contamination indexs such as organic pollutants exceed standard through regular meeting, just can drink after need comparing the purifying treatment of in-depth.And mainly develop to both direction for the treatment technology of the water that has certain pollution, a kind of is processing for the higher waste water of pollutant load, this processing mode mainly is a biochemical process, comprise the biochemical treatment of various anaerobism, aerobic and anoxic microorganism, water after the processing can arrive the wastewater discharge standard of country, it is less to the influence of environment that this standard sign these water, generally problem of environmental pollution can not take place after being held by environment, but the water of this standard generally can only be as purposes not high to water quality requirement such as pouring water, landscape waters; Another direction is the water of high purification, and major technique is that film is handled, and the water purity after the processing is higher, seldom contain organism and microorganism, its purposes in life mainly is directly to drink, and in the industrial water occasion that can be used for the contour purity requirement of pharmacy, but its processing cost is very high.
For the processing of tap water, the one, consider decontamination effect improving, the index that needs all contaminations all must not surpass the standard of national tap water; The 2nd, in treating processes, must not in water, produce harmful new pollutent of HUMAN HEALTH; The 3rd, need to consider people's impression at heart, can not adopt the psychological unacceptable water source of people and unacceptable processing mode; The 4th, consider security, good reliability, that can not give people healthyly brings the threat that can exist.
Summary of the invention
For overcoming the above-mentioned defective of prior art, the invention provides a kind of drink water purifying method and a kind of device that adopts this method of polluted source, technology is reasonable, and equipment is simple, and treatment effect is good, is easy to be accepted by people.
Technical scheme of the present invention is: a kind of drink water purifying method of polluted source comprises the following steps:
(7) carry out cholorination, the microorganism in the deactivation water;
(8) carry out flocculation sediment, but remove the major part flocculate precipitate in the water;
(9) particulate matter and colloid in the water are removed in husky filter;
(10) catalyzed oxidation is with the residual organic substances in the water of decomposition;
(11) remaining organism and other adsorbable impurity in the water are removed in charcoal absorption;
(12) residual impurity in the water is removed in smart filter.
A kind of device for purifying potable water of polluted source, comprise the cholorination pond, the flocculating settling pond, sand filter, the catalyzed oxidation pond, charcoal absorption pond and smart filter tank, described cholorination pond, the flocculating settling pond, sand filter, the catalyzed oxidation pond, the charcoal absorption pond is connected successively with smart filter tank, being provided with up and down in the described catalyzed oxidation pond, two horizontal dividing plates are the middle part with space segmentation in the pond, the upper and lower, wherein the middle part is the fluidized bed processing chamber, the bottom is a mixing section, top is plenum chamber, the described lower clapboard of going up is orifice plate, wherein upper spacer is the aperture orifice plate, lower clapboard is the macropore orifice plate, described fluidized bed processing chamber is provided with some ultra-violet lamps, in photocatalyst granular is housed, the surface of described photocatalyst granular is furnished with photocatalyst, and the water inlet pipe in this catalyzed oxidation pond is arranged on described mixing section, and its bearing of trend is along oblique or tangential, the rising pipe in this catalyzed oxidation pond is arranged on described plenum chamber, and its bearing of trend is for radially.
Working process of the present invention is: by the sterilization pool chlorination, to eliminate the microorganism bigger to human health damage, and can avoid microorganism in subsequent processes, to form mud, soft dirt in the minimizing equipment, after the sterilization through flocculation sediment, remove the most of pollutent in the water, to reduce the load of subsequent disposal, and then carry out sand and filter, with pollutents such as particulate matter in the further minimizing water and colloids, water is further purified, and under normal conditions, most of pollutent is removed in the water outlet of sand filter, has only a spot of dissolved organic matter, these dissolved organic matters decompose through catalyzed oxidation, and a spot of especially pollutent that is difficult to catalyzed oxidation is removed through charcoal absorption and smart filter, forms the water that meets drinking water standard.
The invention has the beneficial effects as follows: selected the technology and the equipment that are suitable for drinking water treatment for use, the cooperation of each technology is reasonable, helps improving whole decontamination effect improving, simplifies whole device structure, and reduces and safeguard and working cost; Because the catalyzed oxidation pond of having adopted is reasonable in design, good mixing effect helps improving oxidation effectiveness, reduces equipment volume, improves the water purification degree.
Description of drawings
Fig. 1 is the structural representation of this device for purifying potable water;
Fig. 2 is the structural representation in the catalyzed oxidation pond in this device for purifying potable water.
Embodiment
Referring to Fig. 1, the invention provides a kind of device for purifying potable water of polluted source, comprise cholorination pond 10, flocculating settling pond 20, sand filter 30, catalyzed oxidation pond 40, charcoal absorption pond 50 and smart filter tank 60, described cholorination pond, the flocculating settling pond, sand filter, the catalyzed oxidation pond, the charcoal absorption pond is connected successively with smart filter tank, be provided with two transverse walls 48 up and down in the described catalyzed oxidation pond, 45 is the middle part with space segmentation in the pond, the upper and lower, the described lower clapboard of going up is orifice plate, wherein last plate is the aperture orifice plate, lower clapboard is the macropore orifice plate, the middle part of described pond intracorporeal space is fluidized bed processing chamber 42, the bottom is a mixing section 44, top is plenum chamber 41, described fluidized bed processing chamber is provided with some ultra-violet lamps 46, in photocatalyst granular is housed, the surface of described photocatalyst granular is furnished with photocatalyst, the water inlet pipe 43 in this catalyzed oxidation pond connects and described mixing section, its bearing of trend is along oblique or tangential, to form rotary water current, the rising pipe 47 in this catalyzed oxidation pond is connected in described plenum chamber, and its bearing of trend is for radially.
Described catalyzed oxidation can also be provided with the ozonizer that is used to provide ozone in the pond, and described ozonizer can be independent the access in the catalyzed oxidation pond, also can insert the water inlet pipe in described catalyzed oxidation pond.Owing in the photochemical catalytic oxidation process, add small amount of ozone, can improve organic removal speed widely, shorten the light-catalysed treatment time greatly, greatly reduced processing cost.
Pond, garden (section is circular) generally should be adopted in described catalyzed oxidation pond, helps avoiding the dead angle like this.
Described upper spacer generally adopts aperture, realizes all pressing and the purpose of current stabilization.
Described lower clapboard generally can adopt macropore, so that in the certain limit above this dividing plate, section flow velocity everywhere is inhomogeneous, form the relative eddy flow of above-below direction, these eddy flows help improving the fluid effect of fluidized-bed, and photocatalyst granular is constantly shifted one's position, make all photocatalyst granulars all can receive the irradiation of UV-light.
The bearing of trend of described ultraviolet lamp tube generally should be above-below direction, is preferably mounted on the inwall of pond, helps forming protection like this, reduces the shell wearing and tearing, and helps realizing sealing.
Described ultraviolet lamp tube outside can be with silica tube, to form the protection to ultraviolet lamp tube.
The housing and the last lower clapboard in described catalyzed oxidation pond generally adopt metal construction, also can adopt other materials to make according to actual needs, for example glass-reinforced plastic material etc.
According to the output form of ozonizer, described ozone can be gas, also can be dissolved in the water, and described ozonizer connects the ozone gas output tube of ozonizer or is dissolved with the water delivery pipe of ozone.
Described sterilization pool is provided with balling iron 14, and the consumption that is used for as required drops into chlorhexidine-containing disinfectants such as liquid chlorine to pool inner water, and this sterilizing agent meets present drinking water disinfection requirement, and easy to use, and is effective.
Can be provided with stirring rake 12 in the described sterilization pool, so that the thorough mixing of sterilizing agent.
The water inlet pipe 13 of described sterilization pool constitutes the water inlet pipe of this device.
Described flocculating settling pond can be provided with vertical traverse baffle 22, for example three, wherein two of both sides traverse baffles are connected Chi Ding, one of intermediary is connected at the bottom of the pond, forms current direction thus from top to bottom, more from bottom to top, again to from top to bottom, water flow mode from bottom to top helps sedimentation so again, and flocculation agent should add in ingress.
Be provided with filter sand filtering layer 32 in the described sand filter.
Described charcoal absorption is provided with activated carbon adsorption layer 52 in the pond
Described smart filter tank is provided with the fine filtering material layer, should select suitable material for use according to water outlet requirement and water quality.
The photochemical catalytic oxidation that the present invention adopts is the darker water technology of a kind of degree of purification, organic pollutant that can the oxidation overwhelming majority, alkane for example, Fatty Alcohol(C12-C14 and C12-C18), lipid acid, alkene, phenol, organic acid, aromatic hydrocarbons, dyestuff, polychlorobiphenyl, tensio-active agent, the agrochemical all contaminations, main mechanism of action is following is for it: in the ozone enhanced photocatalysis device, the oxidized degraded under multiple Degradation of pollutent in the water also partly is converted into carbonic acid gas and water, and these effects comprise photocatalytic oxidation, the ozone oxidation effect, ozone/ultraviolet oxygenizement and the auxiliary photocatalysis of ozone etc.In photocatalytic process, add a spot of ozone and can improve the speed of photocatalysis degradation organic contaminant widely, thereby reduce the time of photocatalysis treatment significantly, significantly reduce light-catalysed cost; And ozone is under the effect of UV-light and photocatalyst, and the mass transfer in water is accelerated, and utilization ratio improves, and the concentration of ozone reduces in the tail gas, reduces the harm of ozone gas.So in the treating processes of ozone enhanced photocatalysis, organic pollutant can be degraded or remove more, the biodegradable performance of organic pollutant also is significantly improved simultaneously, is beneficial to later further processing.For also carrying out under the situation of biochemical treatment in the ozone enhanced photocatalysis back, and do not require that ozone enhanced photocatalysis will degrade pollutent fully, and only require organic pollutant is converted into the material that is degraded by microorganisms easily, pollutent after the conversion is removed by follow-up biochemical treatment facility, so can reduce the treatment time of ozone enhanced photocatalysis widely.Because the cost of general biochemical treatment facility is well below the processing cost of independent photochemical catalysis or ozone enhanced photocatalysis, so can greatly reduce the cost of water treatment.

Claims (10)

1. the drink water purifying method of a polluted source comprises the following steps:
(1) carries out cholorination, the microorganism in the deactivation water;
(2) carry out flocculation sediment, but remove the major part flocculate precipitate in the water;
(3) particulate matter and colloid in the water are removed in husky filter;
(4) catalyzed oxidation is with the residual organic substances in the water of decomposition;
(5) remaining organism and other adsorbable impurity in the water are removed in charcoal absorption;
(6) residual impurity in the water is removed in smart filter.
2. the device for purifying potable water of a polluted source, it is characterized in that comprising cholorination pond, flocculating settling pond, sand filter, catalyzed oxidation pond, charcoal absorption pond and smart filter tank, described cholorination pond, flocculating settling pond, sand filter, catalyzed oxidation pond, charcoal absorption pond and smart filter tank are connected successively.
3. the device for purifying potable water of polluted source as claimed in claim 2, it is characterized in that being provided with in the described catalyzed oxidation pond up and down, two transverse walls are the middle part with space segmentation in the pond, the upper and lower, the described lower clapboard of going up is orifice plate, the middle part of described pond intracorporeal space is the fluidized bed processing chamber, the bottom is a mixing section, top is plenum chamber, described fluidized bed processing chamber is provided with some ultra-violet lamps, in photocatalyst granular is housed, the surface of described photocatalyst granular is furnished with photocatalyst, the water inlet pipe in this catalyzed oxidation pond connects and described mixing section, its bearing of trend is along oblique or tangential, the rising pipe in this catalyzed oxidation pond is connected in described plenum chamber, and its bearing of trend is for radially.
4. the device for purifying potable water of polluted source as claimed in claim 3 is characterized in that also being provided with the ozonizer that is used to provide ozone in the described catalyzed oxidation pond.
5. the device for purifying potable water of polluted source as claimed in claim 4 is characterized in that described ozonizer independently inserts in the catalyzed oxidation pond or inserts the water inlet pipe in described catalyzed oxidation pond.
6. the device for purifying potable water of polluted source as claimed in claim 5 is characterized in that employing circle pond, described catalyzed oxidation pond.
7. the device for purifying potable water of polluted source as claimed in claim 6 is characterized in that described upper spacer adopts aperture, and described lower clapboard adopts macropore.
8. the device for purifying potable water of polluted source as claimed in claim 7, the bearing of trend that it is characterized in that described ultraviolet lamp tube is an above-below direction, its outside is with silica tube.
9. as the device for purifying potable water of claim 2,3,4,5,6,7 or 8 described polluted sources, it is characterized in that balling iron 14 on the described sterilization pool, be provided with stirring rake in the pond.
10. the device for purifying potable water of polluted source as claimed in claim 9, it is characterized in that described flocculating settling pond is provided with vertical traverse baffle, described vertical number of baffles is three, and wherein two of both sides traverse baffles are connected Chi Ding, and one of intermediary is connected at the bottom of the pond.
CNA200810105817XA 2008-04-30 2008-04-30 Method and device for purifying drinking water of polluted water source Pending CN101570369A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103130355A (en) * 2012-04-28 2013-06-05 苏州嘉净环保科技股份有限公司 Integrated emergency drinking water treatment process and device
CN103553270A (en) * 2013-10-31 2014-02-05 中国市政工程中南设计研究总院有限公司 Sewage treatment method and sewage treatment device with middle-arranged ozone reinforced bacteria filter
CN103693732A (en) * 2013-12-09 2014-04-02 衢州绿都环保工程有限公司 Sewage tank for ozone disinfection
CN104150657A (en) * 2014-07-25 2014-11-19 中国环境科学研究院 Sewage three-level effluent advanced treatment device and treatment method
CN104230067A (en) * 2013-06-08 2014-12-24 中国科学院理化技术研究所 Processing apparatus and method for wastewater containing organic pollutants
CN106007265A (en) * 2016-07-29 2016-10-12 台州学院 Advanced treatment method of chemical industry pharmaceutical wastewater biochemical tail water
CN107473471A (en) * 2017-09-18 2017-12-15 成都恒力达科技有限公司 A kind of sewage purifying and treating device
CN108383304A (en) * 2018-05-08 2018-08-10 无棣浩原网具有限公司 A kind of city sewage discharge processing equipment
CN110404484A (en) * 2019-09-03 2019-11-05 延安大学 A kind of fixed bed photocatalytic reactor for industrial VOCs processing
CN111252871A (en) * 2020-02-28 2020-06-09 广东工业大学 Device for removing colloid impurities under action of static field force coupled with multistage partition plates and water power

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103130355A (en) * 2012-04-28 2013-06-05 苏州嘉净环保科技股份有限公司 Integrated emergency drinking water treatment process and device
CN103130355B (en) * 2012-04-28 2015-01-14 苏州嘉净环保科技股份有限公司 Integrated emergency drinking water treatment device
CN104230067A (en) * 2013-06-08 2014-12-24 中国科学院理化技术研究所 Processing apparatus and method for wastewater containing organic pollutants
CN104230067B (en) * 2013-06-08 2017-02-15 中国科学院理化技术研究所 Processing apparatus and method for wastewater containing organic pollutants
CN103553270A (en) * 2013-10-31 2014-02-05 中国市政工程中南设计研究总院有限公司 Sewage treatment method and sewage treatment device with middle-arranged ozone reinforced bacteria filter
CN103693732A (en) * 2013-12-09 2014-04-02 衢州绿都环保工程有限公司 Sewage tank for ozone disinfection
CN104150657A (en) * 2014-07-25 2014-11-19 中国环境科学研究院 Sewage three-level effluent advanced treatment device and treatment method
CN104150657B (en) * 2014-07-25 2016-02-17 中国环境科学研究院 The device of a kind of sewage three grades of water outlet advanced treatment and treatment process
CN106007265A (en) * 2016-07-29 2016-10-12 台州学院 Advanced treatment method of chemical industry pharmaceutical wastewater biochemical tail water
CN106007265B (en) * 2016-07-29 2019-02-01 台州学院 A kind of deep treatment method of pharmaceutical waste water biochemical tail water
CN107473471A (en) * 2017-09-18 2017-12-15 成都恒力达科技有限公司 A kind of sewage purifying and treating device
CN107473471B (en) * 2017-09-18 2021-01-15 福建省福清市诺华水务有限公司 Sewage purification treatment device
CN108383304A (en) * 2018-05-08 2018-08-10 无棣浩原网具有限公司 A kind of city sewage discharge processing equipment
CN108383304B (en) * 2018-05-08 2021-05-04 南通居者安建筑科学研究院有限公司 Urban sewage discharge treatment equipment
CN110404484B (en) * 2019-09-03 2020-08-25 延安大学 Fixed bed photocatalytic reactor for industrial VOCs treatment
CN110404484A (en) * 2019-09-03 2019-11-05 延安大学 A kind of fixed bed photocatalytic reactor for industrial VOCs processing
CN111252871A (en) * 2020-02-28 2020-06-09 广东工业大学 Device for removing colloid impurities under action of static field force coupled with multistage partition plates and water power

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