CN102616915B - Device and method for comprehensively treating water body - Google Patents
Device and method for comprehensively treating water body Download PDFInfo
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- CN102616915B CN102616915B CN 201210073455 CN201210073455A CN102616915B CN 102616915 B CN102616915 B CN 102616915B CN 201210073455 CN201210073455 CN 201210073455 CN 201210073455 A CN201210073455 A CN 201210073455A CN 102616915 B CN102616915 B CN 102616915B
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- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses a device and a method for comprehensively treating a water body. The device for comprehensively treating the water body comprises a water inlet pipe, a pre-treater, at least one catalytic oxidation reactor and a water outlet pipe, wherein the pre-treater performs multi-stage precision filter pre-treatment on water flowing through the water inlet pipe; the catalytic oxidation reactors perform catalytic oxidation and deep purification on water which is pre-treated by using the pre-treater; and water which is treated by using the catalytic oxidation reactors is discharged through the water outlet pipe. According to the device for comprehensively treating the water body, the amount of water to be treated is controlled by adjusting the size of the pre-treater, and increasing the number and unit treatment amount of the catalytic oxidation reactors; and meanwhile, the whole device can be used in a cordwood multi-stage parallel connection mode, so that the water body with large capacity can be treated efficiently and comprehensively; and the device has a simple structure, long service life and a good comprehensive treatment effect.
Description
Technical field
The present invention relates to a kind of comprehensive water-body treatment unit and method, relate in particular to a kind of comprehensive water-body treatment unit and method that is applicable to organic wastewater purifying and sterilization algae removal, this comprehensive water-body treatment unit and method can be widely used in the comprehensive treating process of the water bodys such as industrial sewage, sanitary sewage, refuse leachate, landscape water, tap water, home cell supplying water in different qualities and rural small town drinking-water.
Background technology
As everyone knows, for sewage purification, in water body, organic removal and sterilization algae removal are a technical barrier of industry all the time, and sterilization algae removal will rely on a large amount of chemical agents and realize to a great extent.In the drink water purifying treating processes, the sterilization that carries out disinfection has its fatal weakness to tap water to adopt chlorine to make oxygenant,, can generate the multiple chlorinated organics such as intermediate product trichloromethane, monochloroethane, tetracol phenixin, these bring the organism of secondary pollution is priority pollutants mostly, after drinking, can be detrimental to health.With ozone, tap water is carried out disinfection to sterilization than chlorine gas safe, but also can form some virose intermediate products, and ozone hold time short, the water quality mouthfeel is bad, cost is high.Carry out advanced treatment by methods such as charcoal absorption, high molecular filter element filtrations, can only remove macrobead suspended substance, mineral ion and partial organic substances in water, the small organic molecules such as trichloromethane, monochloroethane, tetracol phenixin are removed to efficiency low, and often need more renew cartridge.So above-mentioned water depth treatment effect is all undesirable, the water quality after processing can not reach direct standard for drinking substantially.Carry out running water by disposal of depth with the RO reverse osmosis method, although can reach the direct-drinking water standard, also have that trichloromethane removes that efficiency is low, needed by human body micro-ly is filtered removals, the water quality after processing is that slightly acidic, water loss are very large, investment greatly, the problem such as running cost is high.The catalyzed oxidation water technology can effectively address the above problem, but it is little because the structure of reactor design and processes is undesirable, to cause it to process the water yield, and efficiency is hanged down and restricted the mass-producing fast development.
At present, the water quality advanced processing of catalyzed oxidation both at home and abroad can be divided into suspension system and fixed structure substantially according to the structure of reactor.The catalyst recovery of suspension system reactor difficulty and be difficult to practically on a large scale, the fixed structure adopts the carrier plated film more or smears mode, has little, the inefficient problem of contact surface area.Japanese Patent Publication 4-141294 as support of the catalyst, increases surface-area with porous sintered material or photoconductive fiber, but very most of rayed less than, and expensive impracticable.Chinese utility model patent 95244568 discloses a kind of fixedly film photocatalysis oxidized water quality depth purifier, Chinese utility model patent 96251030 discloses a kind of photo-catalytic type water treatment equipment, patent of invention CN1257838 discloses the method and apparatus of continuously photocatalytic catalytic purification containing organic pollutant waste water and tap water, the method adopts suspension system to realize processing continuously, but is difficult to realize the high capacity highly effective processing.There is following common shortcoming in water treating equipment of the prior art: (1) thus need additional agitator bring source of pollution, noise, failure rate to rise; (2) long reaction time, be difficult to accomplish continuous processing; (3) the sealing difficulties such as support of the catalyst, fluorescent tube protective tube and upper and lower ends; (4) processing power is little, the dilatation difficulty; (5) mainly considered that the activity by increasing support of the catalyst area and raising catalyzer improves whole efficiency, has restricted jumbo large-scale development; (6) complex structure, inconvenient installation and maintenance.
Summary of the invention
The present invention proposes in order to address the above problem, its purpose is to provide a kind of can control the size of processing the water yield by the volume of adjusting pretreater, the quantity that increases catalyst oxidation reactor and reactor processed in units amount, simultaneously, also can use single unit system cord wood plural parallel stage, thereby be amplified, the processing water body is capacity, the comprehensive water-body treatment unit apparatus structure simple possible.
For this reason, the invention provides a kind of comprehensive water-body treatment unit, described comprehensive water-body treatment unit comprises: water inlet pipe; Pretreater, carry out the multiple fine filteration pre-treatment to the water flowed into from water inlet pipe; At least one catalyst oxidation reactor, to carrying out the catalyzed oxidation deep purifying through the pretreated water of pretreater; Rising pipe, the water that will process through catalyst oxidation reactor is discharged.
According to the present invention, the lower end of described at least one catalyst oxidation reactor is connected to the lower end of described pretreater by the bottom pipe connecting, and the upper end of described at least one catalyst oxidation reactor is connected to the upper end of described pretreater by the top pipe connecting.The cascade filtration layer that the inside of described pretreater is provided with from top to bottom interlayer and is formed by multiple filtrate.
Alternatively, described catalyst oxidation reactor comprises: shell of reactor; Support of the catalyst, be arranged on the inner surface of described shell of reactor; Catalyst coat, be arranged on the surface of described support of the catalyst; Light source assembly, an end is fixed in an end of described shell of reactor and is arranged at the inside of described shell of reactor, with for to described catalyst coat, providing trigger energy.
Alternatively, described catalyst oxidation reactor comprises: shell of reactor; Light source assembly, an end is fixed in an end of described shell of reactor and is arranged on the inside of described shell of reactor; Catalyst coat, coat the outside surface of described luminescence unit.
Preferably, the catalyzer of described catalyst coat is titanium based composite catalyst or platinum catalyst.The material of described support of the catalyst is glass, pottery, stainless steel, metal, plastics or resin material.The light that described light source assembly sends is UV-light or visible ray, or described light source assembly is for producing electrified body, the thermal radiation material of catalyzer trigger energy.Described water inlet pipe carries out the dissolved oxygen activation to water.
In addition, the invention provides a kind of comprehensive water-body treatment process, described comprehensive water-body treatment process adopts the comprehensive water-body treatment unit to carry out the comprehensive water-body processing, described comprehensive water-body treatment unit comprises water inlet pipe, pretreater, at least one catalyst oxidation reactor and rising pipe, and described comprehensive water-body treatment process comprises the following steps: utilize water inlet pipe to carry out the dissolved oxygen activation to pending water; Utilize pretreater to carry out the multiple fine filteration pre-treatment to the water after the dissolved oxygen activation; Utilize catalyst oxidation reactor to through the pretreated water of pretreater, carrying out the catalyzed oxidation deep purifying; Utilize rising pipe to discharge through the water of catalyzed oxidation.
Comprehensive water-body treatment unit of the present invention and method have following advantage:
(1) this treatment process itself is nontoxic, does not produce secondary pollution;
(2) do not need to add other pharmaceutical chemicals, be that water body fully contacts with catalyst coat (film), catalyzer obtains trigger energy, produces the active factor with extremely strong oxidisability, this active factor can efficiently decompose the organism of removing in water body, algae and flora;
(3) guarantee sterilization algae removal under the dual function of ultraviolet lamp and free radical;
(4) structure that comprehensive water-body treatment unit of the present invention is an integral body, as long as intake from water inlet pipe with lower hydraulic pressure, water to be clean just can flow according to self weight of water, thereby is purified, so without larger hydraulic pressure is provided;
(5) can pass through the catalytic oxidation treatment big yield, on the one hand when keeping reactor processed in units amount, can reach the requirement of amplifying processing water body capacity by amplifying pretreater and increasing catalyst oxidation reactor quantity, on the other hand, can use single unit system cord wood plural parallel stage, to reach, amplify the purpose of processing the water body capacity; And but reactor or single unit system monomer use, also can compound dilatation;
(6) apparatus structure is scientific and reasonable, effective, floor space is little, be widely used, static operation noiselessness, energy-conserving and environment-protective, safety, simple possible, manufacture and running cost low, the water body after purification is pure fresh and alive;
(7) this device is applicable to organic waste water, trade effluent, garbage, waste-water, drinking-water advanced treatment.
The accompanying drawing explanation
Fig. 1 is the skeleton view that comprehensive water-body treatment unit of the present invention is shown;
Fig. 2 is the vertical view that comprehensive water-body treatment unit of the present invention is shown;
The sectional view of the comprehensive water-body treatment unit of the present invention that Fig. 3 is the A-A line intercepting based on Fig. 2;
The sectional view of the major portion of the catalyst oxidation reactor that Fig. 4 is comprehensive water-body treatment unit of the present invention.
Main nomenclature: 100 is water inlet pipe, and 200 is pretreater, and 220 is interlayer, 230 is the cascade filtration layer, 240 is filtrate, and 300 is catalyst oxidation reactor, and 310 is support of the catalyst, 320 is catalyst film, 330 is luminescence unit, and 340 is the top pipe connecting, and 350 is the bottom pipe connecting, 400 is rising pipe, and 500 is water.
Embodiment
Below, describe the preferred embodiments of the present invention in detail with reference to accompanying drawing.
Fig. 1 is the skeleton view that comprehensive water-body treatment unit of the present invention is shown, and Fig. 2 is the vertical view that comprehensive water-body treatment unit of the present invention is shown.
As depicted in figs. 1 and 2, comprehensive water-body treatment unit of the present invention comprises water inlet pipe 100, pretreater 200, catalyst oxidation reactor 300 and rising pipe 400.
Below, with reference to Fig. 3 and Fig. 4, all parts of comprehensive water-body treatment unit of the present invention is elaborated.
The sectional view of the comprehensive water-body treatment unit of the present invention that Fig. 3 is the A-A line intercepting based on Fig. 2.
As shown in Figure 3, comprehensive water-body treatment unit of the present invention comprises: water inlet pipe 100, preferably, in order to increase the oxygen level in water, can at pending water, enter in the process of water inlet pipe 100, by the contact area that increases pending water and air, water is carried out to the dissolved oxygen activation, wherein, can adopt any method in this area to increase the contact area of water and air; Pretreater 200, carry out pre-treatment to the water flowed into from water inlet pipe 100; At least one catalyst oxidation reactor 300, the lower end of catalyst oxidation reactor 300 is connected to the lower end Link Port 250 that is positioned at pretreater 200 lower end sidepieces by bottom pipe connecting 350, thus the lower end from pretreater 200 is flowed out, carry out the catalyzed oxidation deep purifying through the pretreated water of pretreater 200; Rising pipe 400, will flow out from the upper end of catalyst oxidation reactor 300, through catalyst oxidation reactor 300 and the water of catalyzed oxidation depth purifying treatment is discharged.
In the present embodiment, the lower end of a plurality of catalyst oxidation reactors 300 is connected to respectively a plurality of lower ends Link Port 250 of the lower end side of pretreater 200 by a plurality of bottoms pipe connecting 350.And a plurality of lower ends Link Port 250 can be formed on the optional position of the lower end of pretreater 200, be not limited to be formed on the side of the lower end of pretreater 200.
In addition, in the present embodiment, the upper end of the inside of pretreater 200 has interlayer 220, and interlayer 220 has the insert port 221 of the end for being inserted into water pipe 100.The upper end of a plurality of catalyst oxidation reactors 300 is connected to by a plurality of tops pipe connecting 340 a plurality of upper ends Link Port 260 that is positioned at upper side interlayer 220 tops, that be formed on pretreater 200 respectively.Rising pipe 400 is connected to the rising pipe Link Port 270 that is positioned at upper side interlayer 220 tops, that be formed on pretreater 200.Thus, the water inflow through a plurality of catalyst oxidation reactor 300 deep purifyings is formed in the cavity 280 of pretreater 200 upper ends.In addition, when water level reaches the height of rising pipe 400, will be by rising pipe 400 outflows through the water of advanced treatment.
In addition, for the size of pretreater 200, be not particularly limited, can design multiple size according to purposes (such as organic waste water, trade effluent, garbage, waste-water, drinking-water advanced treatment etc.).For example, can design its diameter when pretreater 200 when cylindric and be 500mm to 1000mm (height can arbitrarily), thus, can be at pretreater 200 a plurality of catalyst oxidation reactors 300 are set on every side.Although those skilled in the art it should be known that showing in the drawings catalyzed oxidation water-purification plant of the present invention has the situation of three catalyst oxidation reactors, can arrange one or more catalyst oxidation reactors as required.
In addition, the treatment capacity of a catalyst oxidation reactor is limited, but the present invention can improve treatment capacity by a plurality of catalyst oxidation reactors are set, thereby has solved the technical problem that catalyzed oxidation can not be processed in a large number.And the present invention can use by being connected in parallel many catalyzed oxidation water-purification plants of the present invention, thereby can increase treatment capacity simultaneously.
Although not shown in the drawings, but in order to make cavity 280 maintain the water purification state with external isolation, can be provided on the top of pretreater 200 covering the top of pretreater 200 (, for covering the top of cavity 280) lid (not shown) of opening, and this lid should be formed with the opening (not shown) of the end for being inserted into water pipe 100.
In addition, those skilled in the art should know, the present invention can not form cavity 280 as above, but an end that will be connected to a plurality of tops pipe connecting 340 of a plurality of catalyst oxidation reactors 300 is directly connected to an end of rising pipe 400, make thus the water through advanced treatment directly flow out by rising pipe 400.
In addition, the face shaping of pretreater 200 and catalyst oxidation reactor 300 can be the arbitrary shape of circular tube shaped or square tube type.
Below, will be elaborated to the inside formation of above-mentioned pretreater 200 and the inside formation of above-mentioned catalyst oxidation reactor 300.
As shown in Figure 3, in pretreater 200 inside, in the bottom from interlayer 220, to the zone on the top of a plurality of lower ends Link Port 250, the cascade filtration layer 230 formed by multiple filtrate 240 is set, thus the water flowed into from water inlet pipe 100 is carried out to pre-treatment.The kind of filtrate 240 can be according to user's the selection that needs.
The sectional view of the major portion of the catalyst oxidation reactor that Fig. 4 is comprehensive water-body treatment unit of the present invention.
At this, at first the principle of 300 foundations of catalyst oxidation reactor of the present invention described:, semiconductor catalyst, under the condition that obtains trigger energy, generates strong oxidizer OH
-, OH
-and H
2the O molecular oxygen changes into the OH free radical, and the oxidation capacity of OH free radical is that in the oxygenant existed in water body, defluorination is outer the strongest, can the most organic pollutant of oxidation and part inorganic pollutant and be CO by its final mineralising
2, H
2the innoxious substances such as O, and effectively kill flora, make water quality obtain deep purifying, almost non-selectivity.Below take methyl alcohol and nitrite as having exemplified the primitive reaction formula of catalyzed oxidation:
TiO
2+hγ→e
-+h
+
H
2O+h
+→OH·+H
+
H
++e
-→H·
HCOH+OH·→HCOOH+H·
HCOOH+OH·→CO
2+H
2O+H·
H·+H·→H
2
NO
2 -+OH·→NO
3 -+H·
As shown in Figure 4, catalyst oxidation reactor 300 comprises: shell of reactor 360; Support of the catalyst 310, be arranged on the inner surface of shell of reactor 360; Catalyst coat 320, be arranged on the surface of support of the catalyst 310; Luminescence unit 330, one ends are fixed in an end of shell of reactor 360 and are arranged at the inside of shell of reactor 360, with for to described catalyst coat 320, providing light source.
The mode that is arranged on the inside of shell of reactor 360 for luminescence unit 330 can have multiple, for example, one end of luminescence unit 330 is arranged on the fixed plug (not shown) of the upper end that is arranged at shell of reactor 360, makes thus luminescence unit 330 be arranged at the central authorities of shell of reactor 360.In the present invention, as long as make luminescence unit 330 be arranged at the inside of shell of reactor 360, can adopt known set-up mode arbitrarily to this.In addition, luminescence unit 330 can be connected to power supply by an end of luminescence unit 330, carries out thus luminously, and this is known set-up mode to those skilled in the art, and this no longer is elaborated.
In addition, as another embodiment of catalyst oxidation reactor, this catalyst oxidation reactor can comprise: shell of reactor; Luminescence unit, an end is fixed in an end of shell of reactor and is arranged on shell of reactor inside; Catalyst coat, coat on the outside surface of luminescence unit.At this, described luminescence unit not only plays the effect of light source, also plays the effect of support of the catalyst.Compare above-mentioned catalyst oxidation reactor 300, the more close light source of the catalyst coat of this catalyst oxidation reactor, and the heat energy received is larger, so efficiency is better.
In addition, the luminescence unit of the catalyst oxidation reactor of another embodiment can form ribbon shape or sheet, increases thus the area of catalyst coat, improves the cleaning water of device.
In addition, the catalyzer of catalyst coat can be the various catalystic materials by light, electricity or the triggering of hot homenergic such as titanium based composite catalyst, platinum catalyst.And the shape of described support of the catalyst can be tubulose, sheet, band shape (film) particle or mesh, solid support material can be glass, stainless steel, pottery, metal, plastics, resin material etc.
The trigger energy of described catalyzer can be luminous energy, electric energy or heat energy.The light that described luminescence unit sends can be UV-light or visible ray.
Below, the water body flow process is described.
As shown in Figures 1 to 4, staying water flows into pretreater 200 to carry out preposition pre-treatment from water inlet pipe 100, pretreated water body from catalyst oxidation reactor 300 bottoms with the unit volume flow set and flow velocity through catalyst oxidation reactor 300 risings, make water 500 carry out the catalyzed oxidation deep purifying, the high-quality water body after t (predetermined time section) purification constantly flows into water tank or ponds by the rising pipe 400 of catalyst oxidation reactor 300 upper ends.
The advantage of comprehensive water-body treatment unit of the present invention and method is:
(1) this treatment process itself is nontoxic, does not produce secondary pollution;
(2) do not need to add other pharmaceutical chemicals, be that water body fully contacts with catalyst coat (film), catalyzer obtains trigger energy, produces the active factor with extremely strong oxidisability, this active factor can efficiently decompose the organism of removing in water body, algae and flora;
(3) guarantee sterilization algae removal under the dual function of ultraviolet lamp and free radical;
(4) structure that comprehensive water-body treatment unit of the present invention is an integral body, as long as intake from water inlet pipe with lower hydraulic pressure, water to be clean just can flow according to self weight of water, thereby is purified, so without larger hydraulic pressure is provided;
(5) can pass through the catalytic oxidation treatment big yield, on the one hand when keeping reactor processed in units amount, can reach the requirement of amplifying processing water body capacity by amplifying pretreater and increasing catalyst oxidation reactor quantity, on the other hand, can use single unit system cord wood plural parallel stage, to reach, amplify the purpose of processing the water body capacity; And but reactor or single unit system monomer use, also can compound dilatation;
(6) apparatus structure is scientific and reasonable, effective, floor space is little, be widely used, static operation noiselessness, energy-conserving and environment-protective, safety, simple possible, manufacture and running cost low, the water body after purification is pure fresh and alive;
(7) this device is applicable to organic waste water, trade effluent, garbage, waste-water, drinking-water advanced treatment.
Claims (8)
1. a comprehensive water-body treatment unit is characterized in that described comprehensive water-body treatment unit comprises:
Water inlet pipe;
Pretreater, carry out the multiple fine filteration pre-treatment to the water flowed into from water inlet pipe;
A plurality of catalyst oxidation reactors, to carrying out the catalyzed oxidation deep purifying through the pretreated water of pretreater;
Rising pipe, the water that will process through catalyst oxidation reactor is discharged,
The upper end of the inside of described pretreater has interlayer, and the top that is positioned at described interlayer is formed with the cavity that the side by the upper end of described interlayer and described pretreater forms, and the side of this cavity is formed with the upper end Link Port,
The lower end of described a plurality of catalyst oxidation reactors is connected to the lower end of described pretreater by the bottom pipe connecting, the upper end of described a plurality of catalyst oxidation reactors is connected to described upper end Link Port by the top pipe connecting, so that flow in described cavity through the water of described a plurality of catalyst oxidation reactor deep purifyings
Described rising pipe is connected in the rising pipe Link Port of the side that is formed on described cavity.
2. comprehensive water-body treatment unit according to claim 1, is characterized in that the cascade filtration layer that the inside of described pretreater is provided with from top to bottom interlayer and is formed by multiple filtrate.
3. comprehensive water-body treatment unit according to claim 1, is characterized in that described catalyst oxidation reactor comprises: shell of reactor; Support of the catalyst, be arranged on the inner surface of described shell of reactor; Catalyst coat, be arranged on the surface of described support of the catalyst; Light source assembly, an end is fixed in an end of described shell of reactor and is arranged at the inside of described shell of reactor, with for to described catalyst coat, providing trigger energy.
4. comprehensive water-body treatment unit according to claim 1, is characterized in that described catalyst oxidation reactor comprises: shell of reactor; Light source assembly, an end is fixed in an end of described shell of reactor and is arranged on the inside of described shell of reactor; Catalyst coat, coat the outside surface of luminescence unit.
5. according to the described comprehensive water-body treatment unit of claim 3 or 4, the catalyzer that it is characterized in that described catalyst coat is titanium based composite catalyst or platinum catalyst.
6. according to the described comprehensive water-body treatment unit of claim 3 or 4, the material that it is characterized in that described support of the catalyst is glass, pottery, metal or resin material.
7. according to the described comprehensive water-body treatment unit of claim 3 or 4, it is characterized in that the light that described light source assembly sends is UV-light or visible ray, or described light source assembly is for producing electrified body, the thermal radiation material of catalyzer trigger energy.
8. comprehensive water-body treatment unit according to claim 1, is characterized in that described water inlet pipe carries out the dissolved oxygen activation to water.
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| CN105923864B (en) * | 2016-06-14 | 2019-01-01 | 何明兴 | A kind of water body systematization processing unit and method |
| CN114180764B (en) * | 2021-11-30 | 2023-10-13 | 河北化工医药职业技术学院 | Liquid pretreatment device and method |
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| CN202576122U (en) * | 2012-03-20 | 2012-12-05 | 成都纳尔美环境能源技术有限公司 | Water body comprehensive treatment device |
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Denomination of invention: A device and method for comprehensive treatment of water bodies Effective date of registration: 20220804 Granted publication date: 20131225 Pledgee: Zheshang Bank Co.,Ltd. Chengdu Branch Pledgor: CHENGDU CNELMAY EET Co.,Ltd. Registration number: Y2022510000230 |
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