CN102847454B - Preparation apparatus for medical debridement ozonated water - Google Patents
Preparation apparatus for medical debridement ozonated water Download PDFInfo
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- CN102847454B CN102847454B CN201210314246.7A CN201210314246A CN102847454B CN 102847454 B CN102847454 B CN 102847454B CN 201210314246 A CN201210314246 A CN 201210314246A CN 102847454 B CN102847454 B CN 102847454B
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Abstract
The invention provides a preparation apparatus for medical debridement ozonated water. The front end of a gas outlet pipe of an ozone generator (4) is arranged below the liquid level of a water storage tank (7) and is connected with a water adsorbing mouth (8) of a water outlet pipe (3), ozonated outlet gas is maintained to be introduced into the water adsorbing mouth (8), the water outlet pipe (3) is connected with a floating ball (6) and rises with the height of the floating ball (6), and the water adsorbing mouth (8) is maintained to be no more than 40 cm below the liquid level. According to the invention, through utilization of a floating ball unit, the initial fuse point of ozone gas and water is stably maintained at a fixed relative height below the liquid level in the water storage tank, the prepared ozonated water has high and stable ozone content, effluent contains considerable ozone bubbles wrapped by water, sprayed ozonated water is more suitable for sterilization of a wound and enables action time of ozone on the wound to be prolonged, and the advantages of energy saving, safety, high efficiency and low cost are obtained; the prepared ozonated water is more suitable for medical usage and has a concentration of 3 to 20 mg/L, the solvation rate of ozone is up to 80 to 90%, and volatilization of ozone is reduced, so not only waste is avoided but also pollution is reduced.
Description
Technical field
The present invention relates to the process of International Classification of Patents C02F1/78 Ozone Water or the conventional method of A61L2/18 liquid material or sterilization or device or B01F hybrid technology or device, especially Medical wound-cleaning ozone water preparation device.
Background technology
In the prior art, ozone OZONE, molecular formula is O
3, be the allotrope of oxygen, under normal temperature, normal pressure, molecular structure is variable, and very fast disintegrate is oxygen (O
2) and single oxygen atom (O), oxygen atom has very strong activity, and easy and unsaturated compound reacts, and has stronger oxidation to the microorganism such as bacterium, virus.Ozone is remaining is after application oxygen, so be oxidant that is efficient, non-secondary pollution.Because ozone is very active, not easily stores and transport, can only now produce existing use, so ozone generator becomes the representative equipment of ozone technology.The generation of industry ozone take mainly oxygen-containing gas as raw material, under the effect of highfield, is opened by oxygen molecule and reconfigures generation ozone.The molecular formula O of ozone
3, molecular weight 48, smell grass fishy smell, light blueness, 1 atmospheric pressure, solubility (ml/L water) 640 when 0 DEG C, stability is easily decomposed, 1 atmospheric pressure, density 2.144g/L when 0 DEG C, threshold value 0.02ppm, allow safe concentration 0.1ppm (=0.2mg/m in air
3air), 25 DEG C time oxidation-reduction potential+2.07v; Ozone gas has extremely strong oxidability, and the oxidation-reduction potential in water is that 2.07V is only second to fluorine current potential 2.78V, occupies second, and his oxidability is higher than chlorine 1.36V chlorine dioxide 1.5V.Just because of ozone has extremely strong oxidisability, so have strong effect to bacterium, mould, virus, the comprehensive effect of this effect normally physics, chemistry, biological aspect.People utilize this characteristic of ozone to come sterilization, sterilization, deodorizing, decolouring, decomposing organic matter.Just because of the chemical property that oxygen is active, within normal temperature about 30 minutes, be just reduced into oxygen, ozone cannot be stored, and on-the-spotly can only produce, uses immediately.
Ozone is wide spectrum, efficiently bactericide.Under finite concentration, ozone can be killed rapidly in water and bacterium in air, and sterilizing speed is more than two times of chlorine.The more important thing is that ozone is reduced into oxygen after sterilization, thus without any residual and secondary pollution, this is that some chemicals cannot be accomplished.Ozone be used for air sterillization time, because dispersivity is good, unlike during ultraviolet disinfection exist irradiate less than " shadow region ", so Disinfection Effect is better.Ozone is very easily dissolved in water and generating ozone liquid (solubility is 13 times of oxygen).Ozone is in the process being dissolved in water, and decapacitation is killed outside the bacterium in water, can also the evil polluter such as organic matter in decomposition water, has decolorization to water simultaneously.
Ozone is except sterilization, and de-tasting of it is very capable, as peculiar smell such as the smoke in air, fishy smell, stinks, uses ozone to remove, and can kill the bacterium in air simultaneously.At present in many countries and regions, the application of ozone is very universal, as being applied in industry and the fields such as drinking water disinfection, swimming-pool water sterilization, breeding water sterilization, medical water sterilization, sewage disposal, food factory and pharmaceutical factory air sterillization, disease therapy, papermaking bleaching; At least small-sized civilian ozone electric equipment products, of a great variety, become people's daily living article.
Ozone Water is applied more extensive in sterilizing: food factory, pharmaceutical factory need to carry out overflow-type submergence sterilization to body surfaces such as raw material, and forms aseptic raw material surface, can contact disinfection by high-concentrated ozone gas to packing container.Can reach aseptic as fruit etc. after cleaning and can inspissated juice be made.In processing of aquatic products---before frozen-pack, by the sterilization of high-concentrated ozone Water spray or overflow-type submergence sterilization, perfect control is reached to the sanitary index of aquatic product, avoid the problem using chloride to bring chlorine residue to exceed standard.In liquid food processing as beverage, fruit juice etc., and in the production process of pharmaceutical factory, high-concentration ozone water can be used for immersion and the flushing of pipeline, production equipment and container containing, thus reaches sterilized.Bacterial virus on pipeline, equipment and vessel surface is by shower and kill, and very simply saves trouble.Namely can not produce dead angle, also avoid and use the discharge of poisonous waste that brings of other chemosterilant and residual, and ozone be without any residual and secondary pollution.Can be widely used in hotel, hotel, authority canteen, be Dining tool, gourd, fruit and vegetable sterilizing, degradation of pesticide; And toy for children, body surface sterilizing; And water treatment; The places such as common eating dining room, garden stuff processing factory, food processing factory can also be widely used in, with removing the harmful substances such as agricultural chemicals, chemical fertilizer, food additives.The anti-algae of water for industrial use, sterilization can be widely used in, the sterilizing disease-preventing of breeding water, the techniques such as the deodorizing in sewage disposal process, decolouring, sterilizing.Food fresh keeping: the technical process that can be widely used in raw material in the production of units process such as refrigeration plant, food processing factory, packing-house and storage of finished products, fresh-keeping, sterilization.Purification is clean: * can be widely used in the ideal chose machine that ozone laundry is the industry washing clothes such as hotel, hotel, sauna, hospital, pharmacy, food.Can be widely used in public arena, lavatory, production site purification clean.
Ozone Water, the unique treatment effect had because of it is favourably welcome in International Medical field, is mainly used in sterilization, sterilization.Ozone Water high pressure washing, for infection, pollute the clean of the surface of a wound, degerming, infection prevention effect has obtained clinical research confirmation for many years.Medical decontamination debridement instrument adopts new science and technology, and the immediate system achieving high-concentration ozone water is standby, is sprayed under high voltage power by shower nozzle, realize rinsing, sterilization, oxygen supply synchronously completes, reduce medical personnel's workload, alleviating patient's debridement misery, is the common equipment of clinical each medical department debridement.The clinical scope of application comprises Department of B urn: burn wound cleans, and sterilization, changes dressings, Promotive union.
Ozone Water adopts ozone gas to be dissolved in the method preparation of water usually, in the method for ozone dissolved, Liqiud-gas mixing device produces the requisite device of Ozone Water, although Ozone Water is soluble in water, solubility is higher than oxygen tens times, but belong to the gas being insoluble in water generally, and in order to meet actual needs, efficient dissolving technology must be adopted, ozone is fully contacted with water, mixes.Contact area, event, ozone concentration, pressure etc. are all the decisive factors of mixing efficiency, common mixed method comprises Bubbling method, suction method etc. born by dark U pipe mixing method, fluid jet and turbine, wherein, Bubbling method specifically comprises: ozone utilizes bubbling device after overcompression, be dispersed into micro-bubble fully to contact with water, bubble is less, more, concentration is larger, and effect is better.The method technology maturation, safeguard simple, the loss of flood peak is little, but shortcoming is, for reaching high high mass-transfer efficiency, effective pond is dark comparatively large, and equipment volume is huge, and the reaction time is long, and equipment cost is high.Bubbling device micropore easily blocks simultaneously, causes adverse effect to gas-liquid contact.In practical application, the normal method adopting secondary to dissolve improves dissolution rate, such as adopt the dissolution mechanism of venturi and the combination of gas-liquid separated and dissolved device, in the dissolution time of about a second, the mass-transfer efficiency of ozone reaches 98%, effective dissolving efficiency reaches 72%, the consistency of ozone water produced is up to 9.35g/m3, solves the problem that legacy equipment is bulky, operating cost is high.Such as, such as high-concentration ozone water machine circulation ozone water concentration can up to more than 10ppm generally when 5ppm again, and Ozone Water has superpower sterilizing ability.
The usual production equipment of Ozone Water is added the parts such as static mixer, moisture trap, control system formed by oxygen generator, ozone generator, high voltage source, gas-liquid mixing pump.The high-concentration oxygen that equipment oxygen generator produces is source of the gas, produces ozone, and utilize the strong oxidizing property of ozone to carry out sterilizing and degrading pesticide by frequency conversion electric discharge.In equipment oxygenerator with imported from America zeolite molecular sieve for adsorbent, with pressure swing adsorption method (PSA) by the oxygen in air and nitrogen separation, and the harmful substance in filtering air, thus obtain highly purified oxygen, and greatly improve ozone output, purity and efficiency.Then, the air water powerful mixing being added static mixer by gas-liquid mixing pump is fully dissolved in the ozone of high concentration in water, forms the high-concentration ozone water with sterilizing ability and degrading pesticide function.
Even so, the patent document technology of preparing of high-concentration ozone water still discloses less.
Chinese Patent Application No. 200910213073.8 1 kinds of high concentration ozone water generators, comprise housing, be provided with high frequency inverter in housing, arc chamber, gas and water mixer, described arc chamber is connected with gas and water mixer, wherein, be provided with control device in described housing, described control device is connected with described high frequency inverter, owing to being provided with control device in housing, control device is connected with high frequency inverter, by the ozone amount regulating arc chamber to produce to the change of power supply relevant parameter.
Chinese Patent Application No. 200410048201.5 1 kinds produces the equipment of high concentration ozone circulating water fast, comprises housing, intake-outlet, gauge tap, time-delay relay, oxygen generator, ozone generator, cooling device, gas-liquid mixing pump, static mixer, gas-liquid mixed knockout drum, Exhaust Emission Control valve, circulation disinfection pool.Adopt source of oxygen to produce ozone, carry out three grades of powerful gas-liquid mixed by gas-liquid mixing pump, static mixer, gas-liquid mixed knockout drum, ozone efficiently, fully can be mixed with water.
Chinese Patent Application No. 200920256899.8 1 kinds of high concentration ozone water generators, comprise housing, high frequency inverter is provided with in housing, arc chamber, gas and water mixer, described arc chamber is connected with gas and water mixer, wherein, control device is provided with in described housing, described control device is connected with described high frequency inverter, owing to being provided with control device in housing, control device is connected with high frequency inverter, by the ozone amount regulating arc chamber to produce to the change of power supply relevant parameter, regulate the content of ozone ozone in water, thus the ozone output of this Ozone Water production machine and concentration can be adjusted, solve the problem that client's on-site ozone amount regulates arbitrarily, use convenient.
Chinese Patent Application No. 01238244.2 1 kinds of ozone water apparatus.Comprise ozone generator, water sprayer, gas-water separation tower, tail gas catalyzed post and oxygenerator etc., set up air-blowing mixing column mechanism.
Chinese Patent Application No. 201010157036.2 1 kinds prepares the method for high-concentration ozone water, and the device preparing high-concentration ozone water that this process matching uses, and is made up of ozone generator, water pump, water tank, air pump and connecting line.Ozone efferent duct and gas injection tube is communicated with respectively with air inlet in the gas outlet of ozone generator, suction head is installed in the cavity water tank do not closed, conducting in suction head lower end and water tank, upper end is communicated with suction hose, suction hose upper end is communicated with the water sucking mouth of water pump, flexible pipe is communicated with, hose end installing spray gun at the water outlet of water pump.
Chinese Patent Application No. 200410041350.9 1 kinds of high concentration ozone water generators, this machine middle part in housing is provided with PSA oxygenerator, bottom is provided with gas and water mixer, gas water separation tank is provided with above gas and water mixer, be provided with exhaust gas cleaner above gas water separation tank, be provided with enamel pipe arc chamber and high frequency inverter by housing inner top.Between PSA oxygenerator and enamel pipe arc chamber, and between enamel pipe arc chamber and gas and water mixer, all there is pipeline communication.
In correlation technique prepared by Ozone Water, the content in the fields such as application and medical debridement is more rare.
Chinese Patent Application No. 201020238998.6 1 kinds of Medical ozone water generator with concentration adjusting functions, comprise at least one ozone generator, described ozone generator is connected with gas-water mixer by ozone efferent duct, gas-water mixer is connected by pipeline with moisture trap, ozone reduction device, Ozone Water efferent duct is arranged at the bottom of moisture trap, blast pipe is arranged at the top of ozone reduction device, and the top of described gas-water mixer is passed through to be connected with medical water-purifying pond into water adjusting apparatus.
Chinese Patent Application No. 200810186202.4 1 kinds of ozone water medical equipment set used for dental department, it comprises the warm water tank that is connected with a water inlet pipe, one cold rinse bank with the communicating pipe being communicated in this warm water tank, one washing trough being communicated with this warm water tank and cold rinse bank respectively, one be connected to this warm water tank rush tooth machine, one water toothpick and the circulating water supply system being connected to this cold rinse bank, this circulating water supply system comprises a pump, one Forced Mixing device, one oxygenerator and an ozone generation device, this pump is connected to this cold rinse bank, and this Forced Mixing device is connected to this pump, be provided with again the feed pipe that is connected to this warm water tank and this cold rinse bank, and this oxygenerator is communicated in this circulating water outlet pipe after being connected with this ozone generation device.
Chinese Patent Application No. 92216235.2 1 kinds of bactericidal units, it is that using ozone water can carry out work by efficient oxidation sterilized principle for germ, hf and hv pulse drives solid creeping discharge, air is made to generate ozone, sucked by the efficient pressure reduction blender of two-stage of connecting, mix with water and generate high-concentration ozone water, the heat that high frequency creeping discharge produces is flowed through inner Ozone Water and is taken away.
Chinese Patent Application No. 200710072921.9 1 kinds has the ozone hydrotherapy of medical health care function, the high-concentrated ozone technology that electrolysis pure water generates is combined with beauty treatment serial equipment.
Chinese Patent Application No. 02226863.4 device for producing ozone water, comprise ozone generator and air and liquid mixer, air and liquid mixer by three-way pipe, be arranged on spirality conducting element in three-way pipe and filter screen forms, check valve is connected between ozone generator outlet with three-way pipe air inlet, at ozone generator outlet, place arranges air pump, and ozone fully mixes generating ozone liquid by check valve press-in air and liquid mixer with water.
Improvement opportunity like this above, utilize the naturally fused of ozone and water, the ozone that ozone generator produces is inputted water tank by pipeline, carry out gas-liquid naturally fused, because ozone gas and the initial warm point of water and liquid level relative spacing are changing all the time, this kind is caused naturally to fuse the fused rate instability of mode, average can only reach about 30%, and the remaining ozone gas of average 70% just evaporate in the middle of air, and cannot utilize, existing corrective measure increases the time of contact of ozone and water as much as possible, but also need preheating to fuse 10-15 minute before needing use, just can normally use, even if in this case, consistency of ozone water is maximum also can only reach 0.2ppm/L or 0.45mg/L, fused rate to be also uselessly greatly improved, existing medical ozone water concentration fails to meet the target being stabilized in 1-2mg/L all the time, cannot accomplish time medical to process wound rapidly, and delay treatment time, for medical requirement, still also exist and cannot ensure to stablize, continue to provide concentration to be suitable for medical ozone water device technology.
Summary of the invention
Goal of the invention of the present invention is to provide a kind of Medical wound-cleaning ozone water preparation device, and this device can keep the ozone bubbles that in Ozone Water, stable mixing is sufficient, only requires performance to realize medical ozone water.
Object of the present invention will be realized by following technical measures: water inlet pipe access storage tank, there is water sucking mouth outlet pipe lower end inserts storage tank, be connected with the water sucking mouth of outlet pipe under the escape pipe front end access storage tank liquid level of ozone generator, and keep ozone to give vent to anger in importing water sucking mouth, outlet pipe is connected with ball float, water sucking mouth with ball float height, keep water sucking mouth under liquid level≤40cm.
Advantage of the present invention and effect are: adopt the original fusion point of floating ball device ozone gas and water to stablize and remain on relative altitude fixing under liquid level in storage tank, its ozone content of the Ozone Water prepared is higher and stable, also containing a large amount of ozone bubbles of being wrapped up by water in water outlet, the Ozone Water of ejection is applicable to wound sterilization more, and extend the action time of ozone at wound, energy-saving safety, efficiency is high, cost is low, more be suitable for medical, 3mg/L-20mg/L can be reached, the ozone rate of fusing reaches 80-90%, decrease the volatilization of ozone, both waste was avoided, additionally reduce pollution.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Fig. 2 is triple valve portion structure schematic diagram in Fig. 1
Reference numeral comprises: water inlet pipe 1, check valve 2, outlet pipe 3, ozone generator 4, water pump 5, ball float 6, storage tank 7, water sucking mouth 8, triple valve 9, slide rail 10.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1, water inlet pipe 1 accesses storage tank 7, there is water sucking mouth 8 outlet pipe 3 lower end inserts storage tank 7, be connected with the water sucking mouth 8 of outlet pipe 3 under escape pipe front end access storage tank 7 liquid level of ozone generator 4, and keep ozone to give vent to anger in importing water sucking mouth 8, outlet pipe 3 is connected with ball float 6, water sucking mouth 8 with ball float 6 height, keep water sucking mouth 8 under liquid level≤40cm.
As shown in Figure 2, in aforementioned, the escape pipe front end of ozone generator 4 is communicated with the water sucking mouth 8 of outlet pipe 3 by triple valve 9, connection water sucking mouth, triple valve 9 lower end 8, and upper end connects outlet pipe 3, and middle part connects the escape pipe front end of ozone generator 4.When forming negative pressure in outlet pipe 3 and upwards aspirating, water in storage tank 7 draws on water sucking mouth 8, meanwhile, ozone gas enters after triple valve 9 mixes with water through the escape pipe front end of ozone generator 4, and the Ozone Water being full of abundant ozone bubbles derives upward from outlet pipe 3.
The delivery port of water inlet pipe 1 is positioned at more than storage tank 7 liquid level.In storage tank 7, pure water is supplemented by water inlet pipe 1.
The gas outlet of ozone generator 4 is installed check valve 2.Ozone generator 4 escape pipe is stainless steel, size (300 ± 50) mm × 30mm.Due to the merging point that triple valve 9 is ozone gas and water, for preventing liquid from flowing backwards, install check valve 2 additional at the 5-10cm place, output rear, gas outlet of ozone generator 4.Thus extend the service life of ozone generator.It should be noted that, if do not installed check valve 2 additional, equipment is after first time debugging, ozone generator 4 can stop producing ozone, and just have liquid refluence and enter in ozone generator 4, second time startup equipment is with regard to cisco unity malfunction, so long-term, will ozone generator be damaged.
Outlet pipe 3 is installed water pump 5.
Install slide rail 10 in storage tank 7, ball float 6 is arranged on slide rail 10.Ball float 6 can slide along slide rail 10 and keep its center of gravity within the specific limits along with the change of liquid level synchronization lifting under buoyancy.
In the present invention, water pump 5 is gear pump, and rotating speed turns/min at 800-1600, and ozonizer is of a size of 300 × 30mm, especially, water pump 5 is miniature magnetic gear pump, rated pressure 7bar, flow 20-1000ml/min, power 50-95w, voltage DC24V, water yield 50-100ml/min.
In the present invention, for ensureing the consistency of ozone water >=1mg/L of outlet pipe 3, outlet pipe 3 water yield is stabilized in 100 ± 20mg/min, simultaneously, the water entry of water sucking mouth 8 must to control under liquid level≤40cm, containing a large amount of ozone bubbles in output ozone water, goes out the interruption water outlet at water state aqueous vapor microballon interval, namely except water-soluble ozone, also containing a large amount of ozone bubbles of being wrapped up by water in water outlet.Based on this, the Ozone Water that outlet pipe 3 sprays is applicable to wound sterilization more, and extends the action time of ozone at wound, is more applicable to medical treatment and uses.
Its ozone content of Ozone Water using device of the present invention to prepare is higher and stable, there is no similar technique at present open, is more suitable for medical, can reach 3mg/L-20mg/L, the ozone rate of fusing reaches 80-90%, decreases the volatilization of ozone, both avoid waste, additionally reduce pollution.
The present invention is mainly applicable to the debridement of the hospital surgical surface of a wound.
In the present invention, due to atmospheric pressure, in storage tank 7, the darker pressure of water is larger, comes stable water sucking mouth 8 and the relative altitude of liquid level, make water sucking mouth 8 remain lower than liquid level≤40mm by ball float 6; Exceed this liquid level when bearing high 40mm, namely when water sucking mouth 8 is darker under liquid level, due to the interactive reason of atmospheric pressure and hydraulic pressure, top inflow in water sucking mouth 8 will be made to increase, and air inflow reduces, thus consistency of ozone water does not reach >=1mg/L, one of the major reason of this prior art Shortcomings just.
Claims (7)
1. Medical wound-cleaning ozone water preparation device, it is characterized in that, water inlet pipe (1) access storage tank (7), there is water sucking mouth (8) outlet pipe (3) lower end inserts storage tank (7), be connected with the water sucking mouth (8) of outlet pipe (3) under escape pipe front end access storage tank (7) liquid level of ozone generator (4), and keep ozone to give vent to anger in importing water sucking mouth (8), outlet pipe (3) is connected with ball float (6), water sucking mouth (8) with ball float (6) height, keep water sucking mouth (8) under liquid level≤40cm.
2. Medical wound-cleaning ozone water preparation device as claimed in claim 1, is characterized in that, the gas outlet of ozone generator (4) is installed check valve (2).
3. Medical wound-cleaning ozone water preparation device as claimed in claim 1, is characterized in that, install check valve (2) additional at the 5-10cm place, output rear, gas outlet of ozone generator (4).
4. Medical wound-cleaning ozone water preparation device as claimed in claim 1, is characterized in that, outlet pipe (3) is installed water pump (5).
5. Medical wound-cleaning ozone water preparation device as claimed in claim 4, it is characterized in that, water pump (5) is miniature magnetic gear pump, rated pressure 7bar, flow 20-1000ml/min, power 50-95w, voltage DC24V, water yield 50-100ml/min.
6. Medical wound-cleaning ozone water preparation device as claimed in claim 1, it is characterized in that, the escape pipe front end of ozone generator (4) is communicated with the water sucking mouth (8) of outlet pipe (3) by triple valve (9), connection water sucking mouth, triple valve (9) lower end (8), upper end connects outlet pipe (3), and middle part connects the escape pipe front end of ozone generator (4).
7. Medical wound-cleaning ozone water preparation device as claimed in claim 1, is characterized in that, install slide rail (10) in storage tank (7), ball float (6) is arranged on slide rail (10).
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| CN104224826A (en) * | 2013-06-18 | 2014-12-24 | 席彩平 | Ozone water for treating wound on human body and preparation method thereof |
| CN106257367B (en) * | 2015-06-18 | 2019-01-08 | 中核控制系统工程有限公司 | A kind of nuclear power DCS platform test device and test method based on analogue system |
| CN108854610B (en) * | 2017-05-10 | 2022-09-16 | 青岛经济技术开发区海尔热水器有限公司 | Micro-bubble water generating device and control method thereof |
| CN114710869A (en) * | 2022-04-25 | 2022-07-05 | 珠海格力电器股份有限公司 | Disinfectant preparation facilities |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2928820Y (en) * | 2006-07-09 | 2007-08-01 | 王光亚 | Multifunction full automatic ozone sterilizing water making machine |
| CN201825810U (en) * | 2010-05-16 | 2011-05-11 | 刘新儒 | Special ozone water treatment integral machine for safety of rural drinking water |
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| CN202823184U (en) * | 2012-08-30 | 2013-03-27 | 荣建忠 | Medical high-concentration ozone water machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2928820Y (en) * | 2006-07-09 | 2007-08-01 | 王光亚 | Multifunction full automatic ozone sterilizing water making machine |
| CN201825810U (en) * | 2010-05-16 | 2011-05-11 | 刘新儒 | Special ozone water treatment integral machine for safety of rural drinking water |
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