CN102424979B - Acidic oxidation-reduction potential water generating device of endoscopic disinfection machine and generation method thereof - Google Patents
Acidic oxidation-reduction potential water generating device of endoscopic disinfection machine and generation method thereof Download PDFInfo
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Abstract
The invention relates to an acidic oxidation-reduction potential water generating device of an endoscopic disinfection machine, which comprises an electrolysis tank, two cation exchange membranes and a plurality of electrolysis boards. The two cation exchange membranes are arranged in the electrolysis tank to divide the cavity of the electrolysis tank into two cathode chambers and an anode chamber between the two cathode chambers, and the electrolysis boards are respectively arranged on the two sides of the two cation exchange membranes. The acidic oxidation-reduction potential water generating device of the endoscopic disinfection machine adopts the electrolysis tank with the ion exchange membranes to electrolyze purified water and a small amount of saturated sodium chloride solution into acidic oxidation-reduction potential aqueous solution with ultra-low cost, and the solution has the advantages of low cost, complete disinfection, good safety, environmental protection and the like. Moreover, since the two cathode chambers are arranged on the two opposite sides of the anode chamber, the electrolysis rate and ion exchange rate can be increased, and the efficiency of preparation of the acidic oxidation-reduction potential water can be improved. The invention also provides a method of the endoscopic disinfection machine for generating the acidic oxidation-reduction potential water.
Description
[technical field]
The present invention relates to a kind of acidic oxidation reduction potential water generating device and generation method thereof, particularly relate to a kind of acidic oxidation reduction potential water generating device and generation method thereof of endoscopy disinfection machine.
[background technology]
Acidic oxidation reduction potential water (also becoming oxidizing potential sterilized water, Hyperoxidation ion water, Strong acid water etc.) is a kind of Novel sterilizing water occurred in recent years.At present, have a lot about the preparation method of acidic oxidation reduction potential water and the research of equipment both at home and abroad, but great majority be for agricultural, life drink, environment disinfected, the generation equipment for the acidic oxidation reduction potential water of the cleaning and sterilizing of medicine equipment is less.Such as, existing endoscopy disinfection machine can not be prepared acidic oxidation reduction potential water while endoscopy disinfection machine endoscope carries out disinfection, usual needs one acidic oxidation reduction potential water tank, for the acidic oxidation reduction potential water that splendid attire prepares in advance.In addition, although market occurs a small amount of endoscopy disinfection machine with acidic oxidation reduction potential water preparation apparatus, its efficiency preparing acidic oxidation reduction potential water is lower.
[summary of the invention]
In view of above-mentioned condition, be necessary to provide acidic oxidation reduction potential water generating device and the generation method thereof of the endoscopy disinfection machine that a kind of efficiency preparing acidic oxidation reduction potential water is higher.
An acidic oxidation reduction potential water generating device for endoscopy disinfection machine, comprising:
Electrolyzer;
Two cationic exchange membranes, are located in described electrolyzer, the inner chamber of described electrolyzer to be isolated into two cathode compartments and an anolyte compartment between described two cathode compartments; And
Multiple electrolytic zinc-coated steel sheet, is located at the both sides of described two cationic exchange membranes respectively.
Further, the basic solution rising pipe also comprising the outside being located at described electrolyzer, the basic solution communicating pipe being communicated with described two cathode compartments and be communicated with cathode compartment described in one of them.
Further, the water inlet pipe be communicated with described anolyte compartment and one of them cathode compartment is also comprised.
Further, the inlet end of described water inlet pipe is provided with magnetic valve.
Further, the inlet end of described water inlet pipe is provided with the siphon mouth be communicated with purified water water inlet pipe and saturated sodium-chloride water tank, and purified water and saturated nacl aqueous solution enter described water inlet pipe after the mixing of siphon mouth.
Further, the acidic oxidation reduction potential water rising pipe be communicated with described anolyte compartment is also comprised.
Further, above the sidewall of described anolyte compartment, be provided with water level sensor, for sensing the water level of the liquid in electrolyzer.
Further, also comprise the water shoot be communicated with described anolyte compartment and cathode compartment described in one of them, described water shoot is connected with wet-pit.
Further, described basic solution rising pipe and acidic oxidation reduction potential water rising pipe are all connected with liquid pump.
A kind of acidic oxidation reduction potential water generation method of endoscopy disinfection machine, adopts the acidic oxidation reduction potential water generating device of above-mentioned endoscopy disinfection machine, and the acidic oxidation reduction potential water generation method of described endoscopy disinfection machine comprises:
Open the liquid pump of described basic solution rising pipe and acidic oxidation reduction potential water rising pipe and/or described wet-pit for some time, by emptying for the residual solution in described electrolyzer;
Close the liquid pump of described basic solution rising pipe and acidic oxidation reduction potential water rising pipe, open magnetic valve and wet-pit for some time of described water inlet pipe simultaneously, described electrolyzer is cleaned;
Open the magnetic valve of described water inlet pipe, flow in described electrolyzer by after the mixing of purified water and saturated sodium chloride solution;
Whether arrive predetermined water level according to the solution that water level sensor judges in electrolyzer, if so, then close the magnetic valve of described water inlet pipe; And
Pass into direct current to described electrolytic zinc-coated steel sheet, to carry out electrolysis to the sodium chloride electrolyte in electrolyzer, described anolyte compartment obtains being acidic oxidation reduction potential water, and described two cathode compartments obtain being basic solution.
The acidic oxidation reduction potential water generating device of above-mentioned endoscopy disinfection machine utilizes the electrolyzer with ion-exchange membrane namely purified water and a small amount of saturated nacl aqueous solution electrolysis can be gone out the extremely low acidic oxidation reduction potential aqueous solution of cost, this solution has higher redox potential (ORP >=1100mv), the feature of lower pH value (PH < 2.7), effectively can kill the microorganism of article surface.The thimerosal that purified water and sodium chloride solution are prepared into by the acidic oxidation reduction potential water generating device of above-mentioned endoscopy disinfection machine, have that cost is low, sterilization thoroughly, the advantage such as safety and environmental protection.Further, because two cathode compartments are positioned at the relative both sides of anolyte compartment, electrolysis speed and velocity of ion exchange can be accelerated, thus improve the preparation efficiency of acidic oxidation reduction potential water.
[accompanying drawing explanation]
Fig. 1 is the stereographic map of the acidic reduction electric potential water generating apparatus of the endoscopy disinfection machine of better embodiment of the present invention;
The acidic reduction electric potential water generating apparatus that Fig. 2 is the machine of endoscopy disinfection shown in Fig. 1 removes the stereographic map during lid of electrolyzer;
Fig. 3 is the schema of the acidic reduction electric potential water generation method of the endoscopy disinfection machine of better embodiment of the present invention.
[embodiment]
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Preferred embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present invention more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Refer to Fig. 1 and Fig. 2, the acidic oxidation reduction potential water generating device 100 of the endoscopy disinfection machine of better embodiment of the present invention, comprise electrolyzer 110, two cationic exchange membranes 120 and multiple electrolytic zinc-coated steel sheet 130.
Electrolyzer 110 is roughly square box.Specifically in the present embodiment, electrolyzer 110 comprises the box body (figure does not mark) with opening and the lid (figure does not mark) be placed on the opening of box body.Lid and box body form a cavity volume sealed, and can prevent the solution in the pollution electrolyzers 110 such as extraneous sewage, foreign material, such as electrolytic solution, basic solution, acidic oxidation reduction potential water.
Two cationic exchange membranes 120 are located in electrolyzer 110, the inner chamber of electrolyzer 110 to be isolated into two cathode compartments 111 and an anolyte compartment 113.Anolyte compartment 113 is between two cathode compartments 111.Specifically in the present embodiment, the volume of anolyte compartment 113 is roughly the twice of the volume of cathode compartment 111, to improve the electrolytic efficiency of electrolytic solution.
In the present embodiment, electrolytic zinc-coated steel sheet 130 is four, is located at the both sides of two cationic exchange membranes 120 respectively.The electrode connecting end 133 that electrolytic zinc-coated steel sheet 130 comprises plate body 131 and extends from the side of plate body 131.Electrolytic zinc-coated steel sheet 130 can be sealed in electrolyzer 110 by the lid of electrolyzer 110, only exposes electrode connecting end 133, can prevent unexpected electric leakage.
The acidic oxidation reduction potential water generating device 100 of endoscopy disinfection machine also comprises basic solution communicating pipe 141, basic solution rising pipe 142, water inlet pipe 143, acidic oxidation reduction potential water rising pipe 144, upflow tube 145 and water shoot 146.
Basic solution communicating pipe 141 is roughly U-shaped, and it is located at the outside of electrolyzer 110, and is communicated with two cathode compartments 111, makes the solution of one of them cathode compartment 111 can be passed to another one cathode compartment, keeps the water level balance of two cathode compartments 111.
Basic solution rising pipe 142 is communicated with one of them cathode compartment 111, with the basic solution of another one cathode compartment 111 by flowing to this cathode compartment 111 basic solution communicating pipe 141, then is flowed out by basic solution rising pipe 142.Basic solution rising pipe 142 is provided with flow control valve 1421, for controlling the flow of basic solution.Basic solution rising pipe 142 is connected with liquid pump (not shown), for extracting basic solution.
It should be noted that, basic solution communicating pipe 141 also can omit, and now basic solution rising pipe 142 is two, is communicated with respectively with two cathode compartments 111.
Water inlet pipe 143 is communicated with anolyte compartment 113 and one of them cathode compartment 111.Water inlet pipe 143 is Y-tube, and wherein two exit end are communicated with anolyte compartment 113 and one of them cathode compartment 111 respectively, and another one inlet end is provided with magnetic valve.Water inlet pipe 143 for entering water inlet pipe by purified water and saturated nacl aqueous solution after the mixing of siphon mouth.Specifically in the present embodiment, the inlet end of water inlet pipe 143 is provided with the siphon mouth (not shown) be communicated with purified water water inlet pipe and saturated sodium-chloride water tank, siphon mouth is Y-tube, and purified water and saturated nacl aqueous solution enter water inlet pipe 143 after the mixing of siphon mouth.Preferably, the purified water after softening is adopted to mix with saturated sodium chloride solution.
Be appreciated that water inlet pipe 143 can directly be connected with mixing tank, after purified water and saturated nacl aqueous solution fully being mixed, flow into water inlet pipe 143 again, equal to ensure the strength of solution of two cathode compartments 111 and anolyte compartment 113.
Acidic oxidation reduction potential water rising pipe 144 is communicated with anolyte compartment 113.Acidic oxidation reduction potential water rising pipe is provided with flow control valve 1441, for adjustment of acidity oxidation-reduction potential water flow.Acidic oxidation reduction potential water rising pipe 144 is connected with liquid pump (not shown), for extracting acidic oxidation reduction potential water.
One of them cathode compartment 111 and the anolyte compartment 113 of upflow tube 145 and electrolyzer 110 are communicated with.In the present embodiment, upflow tube 145 is Y-tube, and its two ends are communicated with one of them cathode compartment 111 and anolyte compartment 113 respectively, and one end is in communication with the outside in addition.When the solution in electrolyzer 110 is excessive, overflow by upflow tube 145.
Water shoot 146 is communicated with anolyte compartment 113 and one of them cathode compartment 111, and water shoot 146 is connected with wet-pit (not shown), the solution in electrolyzer 110 can be discharged by water shoot 146.Specifically in the present embodiment, water shoot 146 is two, is communicated with respectively with anolyte compartment 113 and one of them cathode compartment 111.
In addition, the acidic oxidation reduction potential water generating device 100 of endoscopy disinfection machine also comprises the water level sensor 150 above the sidewall of the anolyte compartment 113 being located at electrolyzer 110, for sensing the water level of the liquid in electrolyzer 110.By water level sensor 150, whether the solution that can sense in electrolyzer 110 reaches predetermined water level, and then determines whether to close water inlet pipe 143, to prevent the solution flowing into electrolyzer 110 excessive.
The acidic oxidation reduction potential water generating device 100 of endoscopy disinfection machine also comprises potentiometer 160.Potentiometer 160 gos deep in the anolyte compartment 113 of electrolyzer 110, for detecting the redox potential (ORP) of the acidic oxidation reduction potential water in anolyte compartment 113.Specifically in the present embodiment, potentiometer 160 is fixed on the lid of electrolyzer 110.
When two cathode compartments 111 of electrolyzer 110 and an anolyte compartment 113 put into the purified water through sofening treatment of q.s and the mixed solution of a small amount of saturated sodium chloride solution, and connect 24V direct supply on electrolytic zinc-coated steel sheet 130 after, due to the buffer action of cationic exchange membrane 120, electronegative OH-and Cl-shifts to anolyte compartment 113, Na+ and H+ of positively charged shifts to cathode compartment 111.Under such electrolytic condition, obtaining from cathode compartment 113 side, take sodium hydroxide as principle active component basic solution, obtains from side, anolyte compartment 113, take hypochlorous acid as the acidic oxidation reduction potential aqueous solution of principle active component.Make the redox potential of the acidic oxidation reduction potential aqueous solution at more than 1100MV, pH value is less than 2.7.The pH value of the living environment of the microorganisms such as usual bacterium, virus, fungi is between 4-9, redox potential ORP is between-400mv ~+900mv, if beyond this scope, microorganism is difficult to existence and breeding, therefore the acidic oxidation reduction potential aqueous solution is by the acting in conjunction of low pH value high redox potential and available chlorine, destroy microorganisms living environment, increase membrane passage, cellular swelling is broken, destroy inner metabolism enzyme, cause virus, germ cell dead rapidly, thus reach the effect of sterilization and sterilizing.
Through experiment test, the cleaning and sterilizing effect of the acidic oxidation reduction potential aqueous solution of acidic oxidation reduction potential water generating device 100 preparation of above-mentioned endoscopy disinfection machine is better than the requirement in " disinfection technology standard (Ministry of Health of the People's Republic of China's version in 2002) ", bacillus subtilis black variety bud cell being eliminated to logarithmic value >=3.00 completely.Further, the acidic oxidation reduction potential aqueous solution of preparation to bacillus subtilis black variety bud cell effect after 20 minutes, is eliminated logarithmic value to reach >=3.10, can meet medically completely, industrial, school, the mechanism such as enterprise is to the sterilization demand of article.
The acidic oxidation reduction potential water generating device 100 of above-mentioned endoscopy disinfection machine utilizes the electrolyzer 110 with ion-exchange membrane namely purified water and a small amount of saturated nacl aqueous solution electrolysis can be gone out the extremely low acidic oxidation reduction potential aqueous solution of cost, this solution has higher redox potential (ORP >=1100mv), the feature of lower pH value (PH < 2.7), effectively can kill the microorganism of article surface.The thimerosal that purified water and sodium chloride solution are prepared into by the acidic oxidation reduction potential water generating device 100 of above-mentioned endoscopy disinfection machine, have that cost is low, sterilization thoroughly, the advantage such as safety and environmental protection.Further, because two cathode compartments 111 are positioned at the relative both sides of anolyte compartment 113, electrolysis speed and velocity of ion exchange can be accelerated, thus improve the preparation efficiency of acidic oxidation reduction potential water.
The present invention also provides a kind of acidic oxidation reduction potential water generation method of endoscopy disinfection machine, the acidic oxidation reduction potential water generating device 100 of endoscopy disinfection machine.The acidic oxidation reduction potential water generation method of the endoscopy disinfection machine of present embodiment comprises step S201 ~ S205:
Step S201, opens the liquid pump of basic solution rising pipe and acidic oxidation reduction potential water rising pipe and/or wet-pit for some time of water shoot, by emptying for the residual solution in electrolyzer.Before preparing the acidic oxidation reduction potential aqueous solution, by basic solution rising pipe and the liquid pump of acidic oxidation reduction potential water rising pipe or the wet-pit of water shoot, by emptying for the residual solution in electrolyzer, with preventing pollution electrolytic solution, improve the purity of the acidic oxidation reduction potential water of preparation.
Step S202, closes the liquid pump of basic solution rising pipe and acidic oxidation reduction potential water rising pipe, opens the magnetic valve of water inlet pipe and wet-pit for some time of water shoot simultaneously, clean electrolyzer.Pure water or the sodium chloride solution after diluting are flowed in electrolyzer by water inlet pipe, and are discharged by water shoot, thus clean electrolyzer.
Step S203, opens the magnetic valve of water inlet pipe, flows into after the mixing of purified water and saturated sodium chloride solution in electrolyzer.
Whether step S204, arrive predetermined water level according to the solution that water level sensor judges in electrolyzer, if so, then close the magnetic valve of water inlet pipe.When the water level of the solution in electrolyzer reaches predetermined water level, then without the need to passing into the sodium chloride solution after dilution again, overflow from electrolyzer to prevent sodium chloride solution.
Step S205, passes into direct current to electrolytic zinc-coated steel sheet, and to carry out electrolysis to the sodium chloride electrolyte in electrolyzer, anolyte compartment obtains being acidic oxidation reduction potential water, and cathode compartment obtains being basic solution.After electrolytic zinc-coated steel sheet is connected 24V direct supply, due to the buffer action of cationic exchange membrane, electronegative OH-and Cl-shifts to anolyte compartment, Na+ and H+ of positively charged shifts to cathode compartment.Under such electrolytic condition, obtain taking sodium hydroxide as principle active component basic solution from cathode compartment, obtaining from anolyte compartment take hypochlorous acid as the acidic oxidation reduction potential aqueous solution of principle active component.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (2)
1. an acidic oxidation reduction potential water generating device for endoscopy disinfection machine, is characterized in that, comprising:
Electrolyzer;
Two cationic exchange membranes, are located in described electrolyzer, and the inner chamber of described electrolyzer to be isolated into two cathode compartments and an anolyte compartment between described two cathode compartments, the volume of described anolyte compartment is the twice of the volume of described cathode compartment; And
Four electrolytic zinc-coated steel sheets, are located at the both sides of described two cationic exchange membranes respectively;
Wherein, described acidic oxidation reduction potential water generating device also comprises upflow tube, and described upflow tube is Y-tube, its two ends are communicated with cathode compartment described in one of them and described anolyte compartment respectively, one end is in communication with the outside in addition, when the solution in described electrolyzer is excessive, is overflowed by described upflow tube;
The basic solution rising pipe also comprising the outside being located at described electrolyzer, the basic solution communicating pipe being communicated with described two cathode compartments and be communicated with cathode compartment described in one of them;
Also comprise the water inlet pipe be communicated with described anolyte compartment and one of them cathode compartment; The inlet end of described water inlet pipe is provided with magnetic valve; The inlet end of described water inlet pipe is provided with the siphon mouth be communicated with purified water water inlet pipe and saturated sodium-chloride water tank, and purified water and saturated nacl aqueous solution enter described water inlet pipe after the mixing of siphon mouth;
Also comprise the acidic oxidation reduction potential water rising pipe be communicated with described anolyte compartment;
Water level sensor is provided with, for sensing the water level of the liquid in electrolyzer above the sidewall of described anolyte compartment;
Also comprise the water shoot be communicated with described anolyte compartment and cathode compartment described in one of them, described water shoot is connected with wet-pit;
Described basic solution rising pipe and acidic oxidation reduction potential water rising pipe are all connected with liquid pump.
2. the acidic oxidation reduction potential water generation method of an endoscopy disinfection machine, adopts the acidic oxidation reduction potential water generating device of endoscopy disinfection machine as claimed in claim 1, and the acidic oxidation reduction potential water generation method of described endoscopy disinfection machine comprises:
Open the liquid pump of described basic solution rising pipe and acidic oxidation reduction potential water rising pipe and/or described wet-pit for some time, by emptying for the residual solution in described electrolyzer;
Close the liquid pump of described basic solution rising pipe and acidic oxidation reduction potential water rising pipe, open magnetic valve and wet-pit for some time of described water inlet pipe simultaneously, described electrolyzer is cleaned;
Open the magnetic valve of described water inlet pipe, flow in described electrolyzer by after the mixing of purified water and saturated sodium chloride solution;
Whether arrive predetermined water level according to the solution that water level sensor judges in electrolyzer, if so, then close the magnetic valve of described water inlet pipe; And
Pass into direct current to described electrolytic zinc-coated steel sheet, to carry out electrolysis to the sodium chloride electrolyte in electrolyzer, described anolyte compartment obtains being acidic oxidation reduction potential water, and described two cathode compartments obtain being basic solution.
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| CN104591348A (en) * | 2015-01-14 | 2015-05-06 | 山东新华医疗器械股份有限公司 | Water acidifying machine |
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