CN101659474B - Water treatment device of continuous flow ozone/ultraviolet/advanced oxidation - Google Patents

Water treatment device of continuous flow ozone/ultraviolet/advanced oxidation Download PDF

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Publication number
CN101659474B
CN101659474B CN2009103080191A CN200910308019A CN101659474B CN 101659474 B CN101659474 B CN 101659474B CN 2009103080191 A CN2009103080191 A CN 2009103080191A CN 200910308019 A CN200910308019 A CN 200910308019A CN 101659474 B CN101659474 B CN 101659474B
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water
ozone
post
communicated
inlet
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CN101659474A (en
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陈忠林
刘小为
陈文辉
叶苗苗
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Harbin Institute of Technology
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Harbin Institute of Technology
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Abstract

A water treatment device of continuous flow ozone/ultraviolet/advanced oxidation relates to a water treatment device which solves the problems that the existing water treatment device has low ozone utilization rate and can not realize arbitrary combination, flexible switch and the like among ozone oxidation, ultraviolet disinfection and advanced oxidation. An ozone outlet of an ozone generator is communicated with an ozone inlet at the upper end of a dissolved ozone column; a water outlet pipe at a side wall of the bottom of the dissolved ozone column is communicated with an inlet end of a peristaltic pump; an outlet end of the peristaltic pump is communicated with an ozone inlet of a mixer; raw water flows into the mixer from a mixer raw water inlet of the mixer; hydrogen peroxide stock liquid is injected into the mixer from a hydrogen peroxide inlet on the mixer by the peristaltic pump; and the outlet of the mixer is communicated with the side wall of a reactor shell positioned below a microporous water distribution plate. The water treatment device can be used for the disinfection of drinking water, micro pollutant water and source water and water treatment technology of eliminating organic pollution.

Description

A kind of water treatment device of continuous flow ozone/ultraviolet/advanced oxidation
Technical field
The present invention relates to a kind of water treatment device.
Background technology
Ozone/advanced oxidation (O 3/ AOPs) technology more and more widely be applied to water treatment procedure, and ozone and hydrogen peroxide coupling are most widely used in the world at present drinking water treatment high-level oxidation technologies.It is very low that but the successive gaseous ozone adds mass-transfer efficiency, and most of ozone is the reaction reactor of just escaping out not.Though by loading solid catalyst in reactor, adding rate of decomposition and utilization ratio that measures such as hydrogen peroxide can improve ozone, the lifting amplitude is limited, still exist ozone utilization rate low, can't realize ozone oxidation, uv sterilisation, O 3Flexible switching between each technology of/AOPs, UV/AOPs can't be satisfied the demand of different quality.This makes O 3/ AOPs technology is restricted in actual application in engineering.In recent years, characteristics such as ultraviolet/advanced oxidation (UV/AOPs) technology is efficient because of it, non-secondary pollution have obtained domestic and international investigator's extensive concern, but the cost of this technology costliness has limited its application in actual water treatment.
Summary of the invention
The water treatment device that the purpose of this invention is to provide a kind of continuous flow ozone/ultraviolet/advanced oxidation, with solve existing water treatment device exist ozone utilization rate low, can't realize arbitrary combination and flexible problem such as switching between ozone oxidation, uv sterilisation, each technology of advanced oxidation.
The present invention solves the problems of the technologies described above the technical scheme of taking to be: the water treatment device of continuous flow ozone/ultraviolet/advanced oxidation of the present invention is made of ozone generation unit, the molten ozone of low temperature water-bath unit, advanced oxidation unit and peristaltic pump; The molten ozone of described low temperature water-bath unit comprises low temperature thermostat bath, water bath, molten ozone post, moisturizing post, high low-water level polarity formula water level switch, control unit, air-diffuser, reverse checkvalve, rising pipe, small pump and outlet valve; The advanced oxidation unit comprises reactor shell, quartzy marine riser, ultraviolet lamp, micropore water distribution board and mixing tank; Water outlet on the low temperature thermostat bath is communicated with the water inlet of water bath bottom, moisturizing post and molten ozone post all are contained in the water bath, the lower sides of moisturizing post is communicated with the bottom sidewall of molten ozone post and the connecting pipeline between the two is provided with reverse checkvalve, air-diffuser is arranged on the bottom in the molten ozone post, rising pipe on the bottom sidewall of molten ozone post is provided with outlet valve, the moisturizing water-in of small pump connects a low flush tank, the moisturizing water outlet of small pump is communicated with the water supplement port of moisturizing post upper end, high low-water level polarity formula water level switch is housed in the moisturizing post, high low-water level polarity formula water level switch is connected with control unit, and control unit is used to control the keying of small pump and high low-water level polarity formula water level switch; The ozone outlet of the ozonizer on the ozone generation unit is communicated with the ozone inlet of molten ozone post upper end; Rising pipe on the bottom sidewall of molten ozone post is communicated with the inlet end of peristaltic pump, the exit end of peristaltic pump is communicated with the ozone of mixing tank inlet, former water is flowed in the mixing tank by the former water inlet of the mixing tank of mixing tank, and the hydrogen peroxide storing solution is in peristaltic pump enters the mouth injecting mixer from the hydrogen peroxide on the mixing tank; Ultraviolet lamp is installed in the quartzy marine riser, quartzy marine riser is installed in the reactor shell, the micropore water distribution board is horizontally set on the below that the intravital bottom of reactor enclosure and micropore water distribution board are positioned at quartzy marine riser, mixing tank is arranged on the outside of reactor shell, and the outlet of mixing tank is communicated with the sidewall of the reactor shell that is positioned at micropore water distribution board below.
The invention has the beneficial effects as follows:
The present invention has been owing to adopted the molten ozone of low temperature water-bath unit, makes higher (the ozone mass-transfer efficiency efficiently) of ozone utilization rate that treatment effect is good.What the present invention's energy was convenient, flexible switches between independent ozone oxidation, uv sterilisation, advanced oxidation and realization O 3/ AOPs, UV/AOPs, O 3/ AOPs/UV process combination is used, and can satisfy the demand of different quality.The present invention can be used for the sterilization of tap water, micro-polluted water, source water, sewage, the water treatment device of elimination organic contamination.The advantage that the present invention also has structure design knot reason, be easy to control, processing cost is low.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present invention.
Embodiment
Embodiment one: as shown in Figure 1, the water treatment device of the described continuous flow ozone/ultraviolet/advanced oxidation of present embodiment is made of ozone generation unit I, the molten ozone of low temperature water-bath unit II, advanced oxidation unit III and peristaltic pump 13; The molten ozone of described low temperature water-bath unit II comprises low temperature thermostat bath 5, water bath 36, molten ozone post 37, moisturizing post 38, high low-water level polarity formula water level switch 8, control unit 7, air-diffuser (aeration head) 9, reverse checkvalve 10, rising pipe 27, small pump 16 and outlet valve 51; Advanced oxidation unit III comprises reactor shell 39, quartzy marine riser 40, ultraviolet lamp 15, micropore water distribution board 35 and mixing tank 14; Water outlet 22 on the low temperature thermostat bath 5 is communicated with the water inlet 23 of water bath 36 bottoms, moisturizing post 38 and molten ozone post 37 all are contained in the water bath 36, the lower sides of moisturizing post 38 is communicated with the bottom sidewall of molten ozone post 37 and the connecting pipeline between the two is provided with reverse checkvalve 10, air-diffuser 9 is arranged on the bottom in the molten ozone post 37, rising pipe 27 on the bottom sidewall of molten ozone post 37 is provided with outlet valve 51, the moisturizing water-in 28 of small pump 16 connects a low flush tank, the moisturizing water outlet 29 of small pump 16 is communicated with the water supplement port 30 of moisturizing post 38 upper ends, high low-water level polarity formula water level switch 8 is housed in the moisturizing post 38, high low-water level polarity formula water level switch 8 is connected with control unit 7, and control unit 7 is used to control the keying of small pump 16 and high low-water level polarity formula water level switch 8; The ozone outlet 19 of the ozonizer 4 on the ozone generation unit I is communicated with the ozone inlet 25 of molten ozone post 37 upper ends; Rising pipe 27 on the bottom sidewall of molten ozone post 37 is communicated with the inlet end of peristaltic pump 13, the exit end of peristaltic pump 13 is communicated with the ozone inlet 32 of mixing tank 14, former water is flowed in the mixing tank 14 by the former water inlet of the mixing tank of mixing tank 14, and the hydrogen peroxide storing solution is in peristaltic pump 13 enters the mouth 33 injecting mixers 14 from the hydrogen peroxide on the mixing tank 14; Ultraviolet lamp 15 is installed in the quartzy marine riser 40, quartzy marine riser 40 is installed in the reactor shell 39, micropore water distribution board 35 is horizontally set on the below that bottom in the reactor shell 39 and micropore water distribution board 35 are positioned at quartzy marine riser 40, mixing tank 14 is arranged on the outside of reactor shell 39, and the outlet of mixing tank 14 is communicated with the sidewall of the reactor shell 39 that is positioned at micropore water distribution board 35 belows.The top of molten ozone post 37 also has air outlet 26, and the upper end sidewall of water bath 36 also has water port 24.
The housing of the described unitary reactor of present embodiment also can be used stainless material with simple glass and synthetic glass manufacturing, can be cylindrical or rectangular parallelepiped.Gas dispersion apparatus in the molten ozone post 37 is with aeration head or micropore titanium plate.
Embodiment two: as shown in Figure 1, unit I is by oxygen canister 1 for the described ozone generation of present embodiment, the dry post 2 of gas sweetening, gas meter 3, ozonizer 4, controller 6, first magnetic valve 11 and second magnetic valve 12 constitute, oxygen canister 1, dry post 2 of gas sweetening and gas meter 3 threes are communicated with successively, oxygen canister 1, pipeline between the dry post 2 of gas sweetening is provided with first magnetic valve 11, the exit end of gas meter 3 is communicated with the oxygen inlet mouth 20 of ozonizer 4, the recirculated cooling water of ozonizer 4 inlet 17 be communicated with the tap water water source and the two between be provided with second magnetic valve 12; Controller 6 is used to control the switching of first magnetic valve 11 and then regulates by oxygen inlet mouth 20 and enters oxygen flow in the ozonizer 4, controller 6 also is used to control the switching of second magnetic valve 12 and then regulates the cooling water flow that is entered in the ozonizer 4 by recirculated cooling water inlet 17, and controller 6 also is used to control the working hour of ozonizer 4.Also be provided with ozonizer outlet 18 on the ozonizer 4.Other composition and annexation are identical with embodiment one.
Embodiment three: as shown in Figure 1, the molten ozone of the described low temperature water-bath of present embodiment unit II also comprises two blow-off valves 50, is respectively equipped with blow-off valve 50 on the bottom outer wall of molten ozone post 37 and on the moisturizing post 38 bottom outer walls.Blow-off valve all is equipped with so that clean in the future in molten ozone post 37 and moisturizing post 38 bottoms.Other composition and annexation are identical with embodiment one.
Embodiment four: as shown in Figure 1, the described advanced oxidation of present embodiment unit III also comprises reactor shell blow-off valve 52, and reactor shell 39 bottom outer walls are provided with reactor shell blow-off valve 52.Be provided with blow-off valve 52 so that clean in the future.Other composition and annexation are identical with embodiment one.
Embodiment
Embodiment one: the water outlet 27 of molten ozone post 37 is communicated with the ozone inlet 32 of mixing tank 14 by peristaltic pump 13, and be independent ozone oxidation pattern this moment.
Embodiment two: close molten ozone post outlet valve 15, open ultraviolet lamp 15, be independent uv sterilisation pattern this moment.
Embodiment three: the rising pipe 27 of molten ozone post 37 is communicated with the ozone inlet 32 of mixing tank 14 by peristaltic pump 13, opens ultraviolet lamp, be ozone and ultraviolet coupling pattern this moment.
Embodiment four: the rising pipe 27 of molten ozone post 37 is communicated with the interface 32 of mixing tank 14 by peristaltic pump 13, with the hydrogen peroxide storing solution through peristaltic pump 13 by hydrogen peroxide 33 injecting mixers 14 that enter the mouth, be ozone and hydrogen peroxide coupling pattern at this moment.
Embodiment five: with the hydrogen peroxide storing solution through peristaltic pump 13 by hydrogen peroxide 33 injecting mixers 14 that enter the mouth, open ultraviolet lamp 15, be hydrogen peroxide and ultraviolet coupling pattern this moment.
Technical solution of the present invention is not limited to above-mentioned cited specific embodiment, also comprises the arbitrary combination between each specific embodiment.
Principle of work:
The ozone that the ozonizer 4 of ozone generation unit I produces feeds in the molten ozone post 37 of the molten ozone of low temperature water-bath unit II, ozone is dissolved in the cryogenic thermostat water in the molten ozone post 37 to greatest extent, the cryogenic thermostat water that is dissolved with a large amount of ozone flows into mixing tank 14 through peristaltic pump 13, the hydrogen peroxide storing solution is through peristaltic pump 13 injecting mixers 14, former water is in mixing tank 14 and ozone solution, bottom from reactor shell 39 after the hydrogen oxide storing solution mixes enters via micropore water distribution board 35 inner chamber of reactor shell 39, carries out uv sterilisation through the first reactor water outlet 31 or 32 water outlets of the second reactor water outlet under the effect of ultraviolet lamp 15.Water in the molten ozone post 37 is supplied with by moisturizing post 38.High and low water level polarity formula water level switch 8 is housed in the moisturizing post 38, and high and low water level polarity formula water level switch 8 is connected with control unit 7, controls the keying of small pump 16 respectively.The water-in 28 of small pump 16 connects a low flush tank, starts the back and carries out moisturizing by water supplement port 30.Former water and ozone water were mixed in mixing tank 14 before entering advanced oxidation unit III.Mixed solution enters advanced oxidation unit III afterwards in order to make all even weak point flow phenomenon that prevents of fluidised form, and micropore water distribution board 35 is equipped with, aperture 2-3mm in advanced oxidation unitary reactor housing 39 bottoms.At a certain temperature with condition of water quality under, the solubleness of ozone in water all is certain, feeds finite concentration gaseous ozone to the certain hour state that can reach capacity, temperature is low more, the saturated ozone concn of solubilised state is big more also stable more.And saturated ozone water is metastable under cold condition as 0 ℃ the time, finds that through overtesting the 30min rate of fall-off is no more than 5%.The gaseous ozone concentration of the temperature that the concentration of solubilised state ozone can be by changing low temperature thermostat bath 5 in the molten ozone post 37 and the ozone outlet 19 of ozonizer 4 is regulated.And the gaseous ozone concentration of the ozone of ozonizer 4 outlet 19 is to regulate by the oxygen flow of change oxygen inlet mouth 20 and the working current of ozonizer 4.The recirculated cooling water of ozonizer is a tap water, and recirculated cooling water inlet 17 and tap water are communicated with, between switch by a magnetic valve 12 Control Circulation water coolants, and magnetic valve 12 is controlled its keying by time controller 6.
The method of utilizing the present invention to purify water is carried out according to following steps: a, connection system power supply, temperature and time controlling elements (low temperature thermostat bath 5, controller 6 and control unit 7) is carried out parameter setting, and regulate peristaltic pump 15 to preset value.The water temperature of recycle pump in water bath 36 of b, unlatching low temperature thermostat bath 5 reaches set(ting)value.Start-up control device 6 and control unit 7 are opened ozonizer 4, and this moment, ozone generation unit I and the molten ozone of low temperature water-bath unit II entered working order.C, start peristaltic pump 13, the saturated ozone water injecting mixer 14 in the molten ozone post 37 and concurrently injected former water are mixed the back enter in the advanced oxidation unitary reactor housing 39 in mixing tank 14 by the water distribution board 35 of boring a hole.When water outlet 34 there are flowing out, open ultraviolet lamp, this moment, advanced oxidation unit III started working.

Claims (4)

1. the water treatment device of a continuous flow ozone/ultraviolet/advanced oxidation, described water treatment device is made of ozone generation unit (I), the molten ozone of low temperature water-bath unit (II), advanced oxidation unit (III) and peristaltic pump (13); It is characterized in that: described low temperature water-bath molten ozone unit (II) comprises low temperature thermostat bath (5), water bath (36), molten ozone post (37), moisturizing post (38), high low-water level polarity formula water level switch (8), control unit (7), air-diffuser (9), reverse checkvalve (10), rising pipe (27), small pump (16) and outlet valve (51); Advanced oxidation unit (III) comprises reactor shell (39), quartzy marine riser (40), ultraviolet lamp (15), micropore water distribution board (35) and mixing tank (14); Water outlet (22) on the low temperature thermostat bath (5) is communicated with the water inlet (23) of water bath (36) bottom, moisturizing post (38) and molten ozone post (37) all are contained in the water bath (36), the lower sides of moisturizing post (38) is communicated with the bottom sidewall of molten ozone post (37) and the connecting pipeline between the two is provided with reverse checkvalve (10), air-diffuser (9) is arranged on the bottom in the molten ozone post (37), rising pipe (27) on the bottom sidewall of molten ozone post (37) is provided with outlet valve (51), the moisturizing water-in (28) of small pump (16) connects a low flush tank, the moisturizing water outlet (29) of small pump (16) is communicated with the water supplement port (30) of moisturizing post (38) upper end, high low-water level polarity formula water level switch (8) is housed in the moisturizing post (38), high low-water level polarity formula water level switch (8) is connected with control unit (7), and control unit (7) is used to control the keying of small pump (16) and high low-water level polarity formula water level switch (8); The ozone outlet (19) of the ozonizer (4) on the ozone generation unit (I) is communicated with the ozone inlet (25) of molten ozone post (37) upper end; Rising pipe (27) on the bottom sidewall of molten ozone post (37) is communicated with the inlet end of peristaltic pump (13), the exit end of peristaltic pump (13) is communicated with the ozone inlet (32) of mixing tank (14), former water is flowed in the mixing tank (14) by the former water inlet of the mixing tank of mixing tank (14), and the hydrogen peroxide storing solution is in peristaltic pump (13) enters the mouth (33) injecting mixer (14) from the hydrogen peroxide on the mixing tank (14); Ultraviolet lamp (15) is installed in the quartzy marine riser (40), quartzy marine riser (40) is installed in the reactor shell (39), micropore water distribution board (35) is horizontally set on the below that bottom in the reactor shell (39) and micropore water distribution board (35) are positioned at quartzy marine riser (40), mixing tank (14) is arranged on the outside of reactor shell (39), and the outlet of mixing tank (14) is communicated with the sidewall of the reactor shell (39) that is positioned at micropore water distribution board (35) below.
2. the water treatment device of continuous flow ozone/ultraviolet/advanced oxidation according to claim 1, it is characterized in that: described ozone generation unit (I) is by oxygen canister (1), the dry post (2) of gas sweetening, gas meter (3), ozonizer (4), controller (6), first magnetic valve (11) and second magnetic valve (12) constitute, oxygen canister (1), dry post (2) of gas sweetening and gas meter (3) three are communicated with successively, oxygen canister (1), pipeline between the dry post of gas sweetening (2) is provided with first magnetic valve (11), the exit end of gas meter (3) is communicated with the oxygen inlet mouth (20) of ozonizer (4), the recirculated cooling water of ozonizer (4) inlet (17) be communicated with the tap water water source and the two between be provided with second magnetic valve (12); Controller (6) is used to control the switching of first magnetic valve (11) and then regulates by oxygen inlet mouth (20) and enters oxygen flow in the ozonizer (4), controller (6) also is used to control the switching of second magnetic valve (12) and then regulates by recirculated cooling water inlet (17) and enters cooling water flow in the ozonizer (4), and controller (6) also is used to control the working hour of ozonizer (4).
3. the water treatment device of continuous flow ozone/ultraviolet/advanced oxidation according to claim 1, it is characterized in that: described low temperature water-bath molten ozone unit (II) also comprises two blow-off valves (50), is respectively equipped with blow-off valve (50) on the outer wall of on the bottom outer wall of molten ozone post (37) and moisturizing post (38) bottom.
4. the water treatment device of continuous flow ozone/ultraviolet/advanced oxidation according to claim 1, it is characterized in that: described advanced oxidation unit (III) also comprises reactor shell blow-off valve (52), and reactor shell (39) bottom outer wall is provided with reactor shell blow-off valve (52).
CN2009103080191A 2009-09-30 2009-09-30 Water treatment device of continuous flow ozone/ultraviolet/advanced oxidation Expired - Fee Related CN101659474B (en)

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Publication number Priority date Publication date Assignee Title
CN102276095B (en) * 2011-07-14 2013-04-03 哈尔滨工业大学 Method for degrading organic pollutants in water by gradient ozone catalytic oxidation
CN102491492B (en) * 2011-12-14 2013-07-03 哈尔滨工业大学 Multi-operation-mode ozonation reaction device
CN105819599B (en) * 2016-05-12 2019-07-09 山东山大华特科技股份有限公司 A kind of processing sewage advanced oxidation device and method

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