CN103663384B - Method for separating mixed gas of oxygen and ozone and ozone generating system using method - Google Patents
Method for separating mixed gas of oxygen and ozone and ozone generating system using method Download PDFInfo
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- CN103663384B CN103663384B CN201210340419.2A CN201210340419A CN103663384B CN 103663384 B CN103663384 B CN 103663384B CN 201210340419 A CN201210340419 A CN 201210340419A CN 103663384 B CN103663384 B CN 103663384B
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Abstract
The invention discloses a method for separating a mixed gas of oxygen and ozone. The temperature of the mixed gas of oxygen and ozone is cooled to a range between the boiling point temperature of ozone and the boiling point temperature of oxygen by a heat exchanger and a cooling medium to transform the ozone into a liquid state and maintain the oxygen at a gas state so as to separate the mixed gas of oxygen and ozone. The invention also discloses an ozone generating system using the separating method. The ozone generating system comprises an ozone generator, a gas source of the ozone generator, a gas source supply device of the ozone generator, a cooling medium, a cooling medium supply device and a heat exchanger and the like. The separating method disclosed by the invention is simple, and the separating system is simple in structure, high in oxygen recovery rate and is capable of directly conveying the recycled oxygen to the ozone generator to recycle the oxygen and greatly reduce the oxygen consumption of the ozone generator so as to greatly save the operation cost of the ozone generator, and thus, the ozone generator is beneficial for popularization.
Description
Technical field
The present invention relates to the separation method of oxygen that a kind of method be separated of oxygen and ozone mist, particularly ozone generator export and ozone mist and apply the ozone generation system of this separation method.
Background technology
Ozone is a kind of strong oxidizer, has the effect of decolouring, oxidation, sterilization and deodorizing.Multiple fields such as drinking water, sewage, chemical industry oxidation, gas cleaning, association with pulp bleaching, food processing, medical treatment and family expenses are widely used at present.The ozone of existing commercial Application is produced by large-scale ozone generator usually, large-scale ozone generator needs when running to supply a large amount of oxygen, because the transformation efficiency of current ozone generator is generally about 10%, that is be input in the pure oxygen in ozone generator and only have 10% to be converted to ozone, therefore the product that existing ozone generator exports is the mist of ozone and oxygen, and oxygen content is in the majority, account for greatly 90% of mist volume.Because ozone gas not easily stores, current ozone gas is generally manufacture onsite application at the scene, the ozone exported by ozone generator during use and the mist of oxygen pass in processed fluid, after ozone and processed fluid contact reactive absorption, remaining oxygen directly discharges, cause the very large wasting of resources, thus make the operating cost of ozone generator high, and then limit it and further apply.Therefore a kind of can the oxygen that ozone generator exports separation with ozone mist is needed badly, and to the ozone generation system of methods and applications the method that the oxygen in mist reclaims to realize being separated and the recycling of oxygen of oxygen and ozone mist, thus greatly reduce operating cost, be conducive to it and apply.
Summary of the invention
An object of the present invention is to provide a kind of oxygen and ozone mist separation method, it utilizes heat exchanger and cold medium to be reduced between the boiling temperature of ozone and the boiling temperature of oxygen by the temperature of ozone and oxygen mixed gas, ozone conversion is made to be liquid, and oxygen is still gaseous state, thus oxygen is separated with the mist of ozone, isolate the oxygen of gaseous state and the method for liquid ozone, cold medium and heat exchanger is comprised in the method, described heat exchanger comprises at least two inputs and three outputs, and concrete steps are as follows:
Step 1: by temperature lower than the cold medium automatic heat-exchanger of ozone boiling temperature first input end input heat exchanger heat-exchange tube in, oxygen to be separated and the mist of ozone are inputted in heat exchanger by the second input of heat exchanger, make the mist of cold medium and oxygen and ozone carry out heat exchange in heat exchanger;
Step 2: the numerical value of monitoring pressure table and thermometer instruction, regulate the flow of the mist in input heat exchanger, and control the heat exchanger time of cold medium and mist and/or control the flow of cold medium, the temperature of oxygen in heat exchanger and ozone mist is down between the boiling temperature and the boiling temperature of oxygen of ozone, make ozone gas be converted into liquid ozone, oxygen is still gaseous state;
Step 3: the output of the cold medium after the heat exchange of step 2 by heat exchanger is exported;
Step 4: the second output of gaseous state oxygen automatic heat-exchanger isolated after the heat exchange of step 2 is exported;
Step 5: three output of liquid ozone isolated after the heat exchange of step 2 by heat exchanger is exported.
In order to better technique effect, the technical characteristic of the separation method of the oxygen described in the object of the invention one described in above-mentioned steps 1-5 and ozone mist can also be optimized for following technical characterstic further:
1. increase step 6 after step 5.Described step 6 is: set up first vaporizer, inputted in the first vaporizer by isolated liquid ozone, utilizes the first vaporizer to be vaporized into ozone gas by isolating liquid ozone; The input of described first vaporizer is connected by pipeline with the 3rd output of heat exchanger.
2. after step 4, increase step 7.Described step 7 is: set up an ozone breaker, by isolated oxygen input ozone breaker, utilizes ozone breaker to eliminate ozone remaining in isolated oxygen; Second output of described heat exchanger is connected by pipeline with the input of ozone breaker.
3. increase step 8 after step 3.Described step 8 is: set up a cold medium retracting device and carry out back cold medium; First output of described heat exchanger is connected by pipeline with cold medium retracting device.
4. the outer wall of heat exchanger described in is provided with a heat-insulation layer.
5. cold medium described in can be liquid oxygen, liquid nitrogen or other temperature cold medium lower than ozone boiling temperature.
6. the technical characteristic of the separation method of the oxygen described in above-mentioned steps 6 and ozone mist, can also be specially following characteristics further:
(1) after step 6, step 10 is increased, described step 10 is: set up an ozone storage device and clean air source, the output of described first vaporizer is connected by the first input end of pipeline with ozone storage device, clean air source is connected with the second input of ozone storage device by pipeline simultaneously, by controlling the amount of the pure air added, pure air being mixed to form with ozone in ozone storage device and setting the ozone of concentration and the mist of air;
(2) amount further, controlling the air added in above-mentioned (1) makes the air of the middle input of ozone storage device and the mass ratio of ozone between 90:10 ~ 82:18, be beneficial to the stable preservation of ozone gas.
Compared with prior art, the oxygen of the object of the invention one and the separation method of ozone mist is adopted to have following significant advantage:
1. separation method is simple, oxygen recovery efficiency is high, and the oxygen of recovery directly can be flowed to ozone generator use, realize recycling of oxygen, the oxygen demand of very big reduction ozone generator, thus greatly save the operating cost of ozone generator, be conducive to the application promoting ozone generator;
2. piece-rate system structure is simple, easily can realize being separated of oxygen and ozone, low cost of manufacture;
3. the mist that ozone generator can be made to export with heat energy be applied in the vaporescence of liquid oxygen, realize the conversion of the energy in system, reach effects of energy saving and emission reduction, economize energy.
Two of object of the present invention is to provide the ozone generation system of the separation method of the oxygen described in a kind of application invention object one and ozone mist, and described ozone generation system comprises ozone generator, the source of the gas of ozone generator and ozone generator source of the gas feeding mechanism, cold medium and cold medium feeding mechanism and heat exchanger; Described ozone generator is provided with ozone generator air source input end and ozone generator mist output, and described ozone generator air source input end is connected with ozone generator source of the gas feeding mechanism pipeline; Described heat exchanger comprises at least two inputs and three outputs and the heat-exchange tube being communicated with the first input end of heat exchanger and the first output of heat exchange; Described cold medium feeding mechanism is connected by pipeline with the first input end of heat exchanger, is inputted by cold medium in heat exchanger; Second input of described heat exchanger is connected with ozone generator mist output by pipeline, to input in heat exchanger by oxygen and ozone mist; First output of described heat exchanger is cold medium output, and the second output of heat exchanger is isolated oxygen output, and the 3rd output of heat exchanger is isolated liquid ozone output; The position of the second output of described heat exchanger is higher than the position of the 3rd output of heat exchanger.
The technical characterstic described in ozone generation system that the object of the invention two realizes can be following technical characteristic:
1. cold medium described in can be liquid nitrogen or liquid oxygen or other temperature cold medium lower than ozone boiling temperature.
2., when cold medium is liquid oxygen, after being exported by the first output of heat exchanger change into gaseous state oxygen as the liquid oxygen cyclostrophic of cold medium after heat exchange after, also input the source of oxygen of ozone generator air source input end as ozone generator to ozone generator oxygen supply.
The ozone generation system of the oxygen of the application purpose one of the object of the invention two and the separation method of ozone mist has following significant advantage:
1. separation method is simple, oxygen recovery efficiency is high, and the oxygen of recovery directly can be flowed to ozone generator use, realize recycling of oxygen, the oxygen demand of very big reduction ozone generator, thus greatly save the operating cost of ozone generator, be conducive to the application promoting ozone generator.
2. piece-rate system structure is simple, easily can realize being separated of oxygen and ozone, low cost of manufacture.
3. when cold medium is liquid oxygen, the mist that ozone generator can be made to export with heat energy be applied in the vaporescence of liquid oxygen, realize the conversion of the energy in system, reach effects of energy saving and emission reduction, economize energy.
4. when cold medium is liquid oxygen, can as the source of the gas of ozone generator after its vaporization, cost-saving and equipment investment.
Three of object of the present invention is to provide the preferred ozone generation system of separation method of the oxygen described in a kind of application invention object one and ozone mist.The ozone generation system that this system and goal of the invention two realize is the same liquid oxygen supply device providing liquid oxygen unlike the cold medium feeding mechanism of described ozone generation system and the source of the gas feeding mechanism of Oxygen Generator; Described ozone generation system also comprises second vaporizer, the output of described liquid oxygen supply device is connected by pipeline with the input of the second vaporizer, the output of the second vaporizer is connected with ozone generator air source input end by pipeline, and so a part of liquid oxygen inputs the source of oxygen of ozone generator air source input end as ozone generator to ozone generator oxygen supply after being converted into gaseous oxygen by the second vaporizer; , liquid oxygen supply device is connected by pipeline with the first input end of heat exchanger meanwhile, another part liquid oxygen is used as cold medium through pipeline from the first input end input heat exchanger of heat exchanger.
In order to better technique effect, described in the object of the invention three, the technical characteristic of ozone generation system can be specially following technical characterstic:
1. after being exported by the first output of heat exchanger after changing into gaseous oxygen as the liquid oxygen of cold medium after heat exchange, also input the source of oxygen of ozone generator air source input end as ozone generator to ozone generator oxygen supply.
2. further, described ozone generation system is also provided with an oxygen storage device; Be connected by the first input end of pipeline with oxygen storage device by the output of the second vaporizer described in above-mentioned 1, the oxygen after the second vaporizer process is by pipeline input oxygen storage device; Be connected with the second input pipeline of oxygen storage device by first output of described heat exchanger, the oxygen of vaporization in heat-exchange tube is through pipeline input oxygen storage device; 3rd input of described oxygen storage device is connected with the second pipeline at output of heat exchanger, and isolated oxygen exports from the second output of heat exchanger and is delivered to oxygen storage device; The output of described oxygen storage device is connected by pipeline with ozone generator air source input end.
In order to better technique effect, described in the object of the invention two and goal of the invention three, the technical characteristic of ozone generation system can also have following technical characterstic jointly:
1. the outer wall of heat exchanger described in has a heat-insulation layer.
2, described heat exchanger is provided with Pressure gauge and thermometer.
3. ozone generation system described in also comprises first vaporizer for vaporize liquid ozone, the input of described first vaporizer is connected by pipeline with the 3rd output of heat exchanger, by the first vaporizer, the ozone of isolated liquid state is vaporized into ozone gas and is exported by the output of the first vaporizer.
4, described ozone generation system also comprises an ozone breaker, and the input of described ozone breaker is connected by pipeline with the second output of heat exchanger, for eliminating ozone residual in isolated oxygen; The output of ozone breaker is connected with the 3rd input of oxygen storage device, for realizing the recycling of oxygen by pipeline.
5. ozone generation system described in also comprises an ozone storage device and clean air source, the output of described first vaporizer is connected by pipeline with the first input end of ozone storage device, clean air source is connected by pipeline with the second input of ozone storage device simultaneously, by controlling the amount of the pure air added, make it in ozone storage device, be mixed to form the ozone of setting concentration with ozone.
6. the air of input and the mass ratio of ozone are preferably between 90:10 ~ 82:18 in above-mentioned 5.
The ozone generation system of the oxygen described in employing object one of the object of the invention three and the separation method of ozone mist has following significant advantage:
1. liquid oxygen uses as source of the gas and cold medium simultaneously, without the need to configuring cold medium in addition, making system architecture simple, reducing equipment investment.
2. the oxygen of the higher temperature that ozone generator exports by the low temperature that can make full use of liquid oxygen and the cooling of ozone mist are to realize being separated of ozone and oxygen, liquid oxygen is vaporized by the oxygen of higher temperature that ozone generator can be utilized again to export and the heat energy of ozone mist, realize effective utilization of energy, effects of energy saving and emission reduction is remarkable, saving equipment operating cost, is conducive to it and promotes the use of.
3. separation method is simple, oxygen recovery efficiency is high, and the oxygen of recovery directly can be flowed to ozone generator use, realize recycling of oxygen, the oxygen demand of very big reduction ozone generator, thus greatly save the operating cost of ozone generator, be conducive to the application promoting ozone generator.
4. piece-rate system structure is simple, easily can realize being separated of oxygen and ozone, low cost of manufacture.
accompanying drawing illustrates:
Fig. 1 is the structural representation of the piece-rate system of the separation method of oxygen for implementing the object of the invention one and ozone mist.
Fig. 2 be the object of the invention two application the object of the invention one described in the structural representation of the first embodiment of ozone generation system of separation method of oxygen and ozone mist.
Fig. 3 be the object of the invention two application the object of the invention one described in the structural representation of the second embodiment of ozone generation system of separation method of oxygen and ozone mist.
In figure, 1 is ozone generator, and 101 is ozone generator mist output, and 102 is ozone generator air source input end; 2 is cold medium feeding mechanism; 3 is heat exchanger, and 301 is the first input end of heat exchanger, and 302 is the second input of heat exchanger, and 303 is the first output of heat exchanger; 304 is the second output of heat exchanger, and 305 is the 3rd output of heat exchanger, and 306 is heat-exchange tube; 307 is Pressure gauge, and 308 is thermometer, and 309 is heat-insulation layer; 4 is oxygen storage device, and 401 is the first input end of oxygen storage device, and 402 is the second input of oxygen storage device, and 403 is the 3rd input of oxygen storage device, and 404 is the output of oxygen storage device; 5 is the first vaporizer, and 501 is the input of the first vaporizer, and 502 is the output of the first vaporizer; 6 is ozone breaker, and 601 is the input of ozone breaker, and 602 is the output of ozone breaker; 7 is ozone storage device, and 701 is the first input end of ozone storage device, and 702 is the second input of ozone storage device; 8 is cold medium retracting device; 9 is the second vaporizer, and 901 is the input of the second vaporizer, and 902 is the output of the second vaporizer; 10 is clean air source; 11 is liquid oxygen supply device; 12 is ozone generator source of the gas feeding mechanism, and 121 is the output of ozone generator source of the gas feeding mechanism;
detailed description of the invention:
Below 1 embodiment that oxygen of the present invention and ozone mist separation method be described with reference to the accompanying drawings.
Implement the system of the oxygen of object one and the separation method of ozone mist as shown in Figure 1, it comprises cold medium feeding mechanism 2, heat exchanger 3, oxygen storage device 4, first vaporizer 5 and cold medium retracting device 8; Wherein said heat exchanger 3 comprises at least two inputs and three outputs, heat exchanger 3 is also provided with for regulating the force pressure table 307 in heat exchanger and the thermometer 308 for time of contact of controlling liquid oxygen and mist.Concrete steps that oxygen is separated with ozone mist are as follows to utilize this system to carry out:
Step 1: temperature in described cold medium feeding mechanism 2 is inputted in the heat-exchange tube 306 of heat exchanger lower than the cold medium of ozone boiling point from the first input end 301 of described heat exchanger 3, oxygen to be separated and ozone mist are inputted in heat exchanger 3 by the second input 302 of heat exchanger, make cold medium and oxygen and ozone mist carry out heat exchange in heat exchanger;
Step 2: the numerical value that monitoring pressure table 307 and thermometer 308 indicate, regulate the flow of the mist in input heat exchanger, and control the heat exchanger time of cold medium and mist and/or control the flow of cold medium, the temperature of oxygen in heat exchanger and ozone mist is down between the boiling temperature and the boiling temperature of oxygen of ozone, make ozone gas be converted into liquid ozone, oxygen is still gaseous state;
Step 3: first output 303 of the cold medium after step 2 heat exchange by heat exchanger is exported;
Step 4: the second output 304 of oxygen automatic heat-exchanger isolated after the heat exchange of step 2 is exported;
Step 5: three output 305 of liquid ozone isolated after the heat exchange of step 2 by heat exchanger is exported.
Because liquid ozone is not easily preserved, need to be vaporized, therefore, also need to increase step 6 after step 5, described step 6 is: set up first vaporizer 5 in systems in which, isolated liquid ozone being inputted in the first vaporizer, utilizing the first vaporizer 5 to be vaporized into ozone gas by isolating liquid ozone; The input 501 of described first vaporizer is connected with the 3rd output 305 of heat exchanger.
In order to be recovered to pure oxygen, step 7 can also be increased after step 4, described step 7 is: set up an ozone breaker 6 in systems in which, by isolated oxygen input ozone breaker 6, utilizes ozone breaker 6 to eliminate ozone remaining in isolated oxygen; Second output 304 of described heat exchanger is connected by pipeline with the input 601 of ozone breaker.Pure oxygen reclaims from the output 602 of ozone breaker.
Also be provided with an oxygen storage device 4 in the above-described embodiments, the output 602 of ozone breaker be connected with the first input end 401 of oxygen storage device the oxygen being used for storing recovery by pipeline, reach the object of oxygen recovery.
In order to reclaim cold medium, increase step 8 after step 3 in the above-described embodiments, described step 8 is: set up a cold medium retracting device 8 pairs of cold mediums in systems in which and reclaim; First output 303 of described heat exchanger is connected with cold medium retracting device 8.
Cold medium in above-described embodiment can be liquid nitrogen, liquid oxygen or other temperature cold medium lower than liquid ozone.
in above-described embodiment, in order to improve the efficiency of heat exchange, reduce the loss of heat, the outer wall of described heat exchanger has a heat-insulation layer 309; Described heat exchanger 3 is also arranged and is used for Pressure gauge 307 and thermometer 308 to monitor the pressure and temperature in heat exchanger.
First embodiment of ozone generation system of the present invention is described below in conjunction with accompanying drawing 2.
As shown in Figure 2, a kind of ozone generation system, comprises ozone generator 1, the source of the gas of ozone generator, cold medium feeding mechanism 2, heat exchanger 3, first vaporizer 5, cold medium retracting device 8, ozone storage device 7 and clean air source 10; Wherein the source of the gas of ozone generator is oxygen, is stored in ozone generator source of the gas feeding mechanism 12; Described heat exchanger comprises two inputs and three outputs.
Described ozone generator mist output 101 is connected with the second input 302 of heat exchanger by pipeline, to be input in heat exchanger 3 by oxygen and ozone mist; The output 121 of described ozone generator source of the gas feeding mechanism is connected by pipeline with ozone generator air source input end 102, is inputted by oxygen in ozone generator 1; Described cold medium feeding mechanism 2 is connected with the first input end 301 of heat exchanger by pipeline, is input to by the cold medium in cold medium feeding mechanism 2 in heat-exchange tube 306; Described cold medium retracting device 8 is connected for reclaiming cold medium with the first output 303 of heat exchanger by pipeline; Second output 304 of described heat exchanger is connected by pipeline with ozone generator air source input end 102, after heat exchange, ozone generator air source input end 102 will be recycled to by isolated oxygen, reuse will be carried out to oxygen isolated in the mist from oxygen and ozone.
An oxygen-storing device also can being set in systems in which for storing isolated oxygen, being then fed back to ozone generator air source input end by oxygen-storing device or doing the use of other purposes.
Because isolated liquid ozone is not easily preserved, need to be vaporized, therefore first vaporizer 5 is set up in systems in which, isolated liquid ozone is inputted in the first vaporizer 5, the input 501 of described first vaporizer is connected with the 3rd output 305 of heat exchanger, by the first vaporizer 5, the ozone of isolated liquid state is vaporized into ozone gas.
In order to make through first vaporizer 5 process after ozone stable preserve and do not blast wait danger, in the system of the present embodiment, also set up an ozone storage device 7 and clean air source 10.The output 502 of described first vaporizer is connected with the first input end 701 of ozone storage device by pipeline, clean air source 10 is connected with the second input 702 of ozone storage device by pipeline, by controlling the amount of the pure air added, make pure air in ozone storage device, be mixed to form the ozone of setting concentration with ozone, realize the storage-stable of ozone; It is the most stable when the air wherein inputted and the mass ratio of ozone are between 90:10 ~ 82:18.
In order to be recovered to pure oxygen, an ozone breaker can also be set up in ozonation system described in the present embodiment, will in heat exchanger isolated oxygen input ozone breaker, utilize ozone breaker to eliminate ozone remaining in isolated oxygen, pure oxygen reclaims from the output of ozone breaker or directly flows to ozone generator air source input end to ozone generator oxygen supply.
In the present embodiment, in order to improve the efficiency of heat exchange, reduce the loss of heat, the outer wall of described heat exchanger has a heat-insulation layer 309.
Described heat exchanger 3 is arranged and is used for Pressure gauge 307 and thermometer 308 to monitor the pressure and temperature in heat exchanger.
Second embodiment of ozone generation system of the present invention is described below in conjunction with accompanying drawing 3.
As shown in Figure 3, a kind of ozone generation system, comprises ozone generator 1, the source of oxygen of ozone generator, heat exchanger 3, oxygen storage device 4 and the first vaporizer 5, second vaporizer 9; Wherein the source of the gas of ozone generator is liquid oxygen, is stored in liquid oxygen supply device 11; Described heat exchanger 3 comprises at least two inputs and three outputs.
Described ozone generator mist output 101 is connected to input in heat exchanger 3 by oxygen and ozone mist with the second input 302 of heat exchanger by pipeline; Liquid oxygen supply device 11 is connected with the input 901 of the second vaporizer by pipeline, the output 902 of described second vaporizer is connected by pipeline with the first input end 401 of oxygen storage device, namely input in oxygen storage device 4 after a part of liquid oxygen cyclostrophic being turned to gaseous state by the second vaporizer 9, the output 404 of described oxygen storage device is connected by pipeline with ozone generator air source input end 102, to ozone generator oxygen supply; Liquid oxygen supply device 11 is also connected with the first input end 301 of heat exchanger by pipeline simultaneously, uses in the heat-exchange tube 306 of liquid for part oxygen input heat exchanger as cold medium; And utilize the heat energy in mist to be vaporized.First output 303 of described heat exchanger is connected by pipeline with the second input 402 of oxygen storage device, as cold medium use liquid oxygen in heat-exchange tube 306, change into gaseous state after export in oxygen storage device 4 store, then by the output 404 of oxygen storage device export in ozone generator 1 give ozone generator 1 oxygen supply; The input 501 of described first vaporizer is connected with the 3rd output 305 of heat exchanger by pipeline, by the first vaporizer 5, the ozone of isolated liquid state is vaporized into ozone gas.
Due to also part ozone gas may be contained in the isolated oxygen of heat exchanger, so described ozone generation system also comprises an ozone breaker 6, the input 601 of described ozone breaker is connected with the second output 304 of heat exchanger by pipeline, the output 602 of ozone breaker is connected with the 3rd input 403 of oxygen storage device by pipeline, namely the ozone utilizing ozone breaker 6 may remain in oxygen is eliminated, then pure oxygen again via Cemented filling in oxygen storage device 4, the output 404 of the oxygen storage device connected by the air source input end 102 of Oxygen Generator gives ozone generator oxygen supply, therefore the object of oxygen reuse in mist can be reached.
Due to pure ozone gas extremely unstable, therefore the ozone generation system of the present embodiment also comprises an ozone storage device 7 and clean air source 10; The output 502 of described first vaporizer is connected with the first input end 701 of ozone storage device by pipeline, clean air source 10 is connected with the second input 702 of ozone storage device by pipeline simultaneously, by controlling the amount of the pure air added, make pure air in ozone storage device, be mixed to form the ozone of setting concentration with ozone, realize the storage-stable of ozone; Preserve the most by stable being conducive to for the mist formed when the air of input and the mass ratio of ozone are between 90:10 ~ 82:18.
Described heat exchanger 3 is arranged and is used for Pressure gauge 307 and thermometer 308 to monitor the pressure and temperature in heat exchanger; The outer wall of heat exchanger 3 has a heat-insulation layer 309, in order to keep temperature in heat exchanger 3.
The retracting device of to be oxygen storage device after separation be also the cold medium of the oxygen storage device 4 in the 3rd embodiment, the liquid oxygen be stored in liquid oxygen supply device 11 was ozone generator oxygen supply after both having can be passed through vaporization, also be transported in heat-exchange tube as cold medium simultaneously and the oxygen of high temperature is realized being separated of oxygen and ozone mist with the cooling of ozone mist, and utilize heat energy in mist to be its oxygen supply by loopback after the vaporization of liquid oxygen in heat-exchange tube to ozone generator, device fabrication cost and system space are greatly saved, also energy is made full use of and greatly reduce energy loss and equipment operating cost, the wherein recycling of oxygen in mist, also system freight charges are made greatly to reduce.
Operation principle of the present invention is: under identical pressure condition the temperature of cold medium lower than the boiling temperature of ozone simultaneously higher than the boiling temperature of oxygen, therefore when time of contact is enough, the ozone of gaseous state in mist can be cooled to liquid ozone by it, and in mist, the oxygen of gaseous state then can not be cooled to liquid state by liquid oxygen gas.About regulating the flow of the mist in input heat exchanger to regulate the pressure in heat exchanger to make it remain on 1 standard atmospheric pressure, namely Pressure gauge is shown as 1 atm higher; And control the heat exchanger time of cold medium and mist and/or control the flow of cold medium, the temperature of oxygen in heat exchanger and ozone mist is down between the boiling temperature and the boiling temperature of oxygen of ozone, as between-130 and-150, due to normal atmosphere pressure, the boiling temperature of ozone is about-111.9 DEG C, therefore, the ozone gas now in mist is cooled to liquid ozone; And become the temperature of liquid oxygen to be about-183 DEG C because normal atmosphere depresses oxygen conversion, therefore when mist is cooled between-130 DEG C and-150 DEG C, oxygen in mist is still gaseous state, and at this moment ozone is different from the phase of oxygen, thus realizes thoroughly being separated of ozone and oxygen.Isolated oxygen can feed back to ozone generator, fully realizes the recycling of oxygen in blender; Meanwhile, when cold medium is liquid oxygen, liquid oxygen is vaporizated into oxygen in heat-exchange tube to ozone generator oxygen supply, can realize making full use of the heat in mist.
Claims (19)
1. the separation method of an oxygen and ozone mist, it is characterized in that: it utilizes heat exchanger and cold medium to be reduced between the boiling temperature of ozone and the boiling temperature of oxygen by the temperature of the mist of ozone and oxygen, ozone conversion is made to be liquid, and oxygen is still gaseous state, thus oxygen is separated with the mist of ozone, isolate the oxygen of gaseous state and the method for liquid ozone; Comprise cold medium and heat exchanger in the method, described heat exchanger comprises at least two inputs and three outputs; Concrete steps are as follows:
Step 1: by temperature lower than the cold medium automatic heat-exchanger of ozone boiling temperature first input end (301) input heat exchanger (3) heat-exchange tube (306) in, oxygen to be separated and ozone mist are inputted in heat exchanger (3) by second input (302) of heat exchanger, make cold medium and oxygen and ozone mist carry out heat exchange in heat exchanger (3);
Step 2: the numerical value of monitoring pressure table and thermometer instruction, regulate the flow of the mist in input heat exchanger, and control the heat exchanger time of cold medium and mist and/or control the flow of cold medium, the temperature of oxygen in heat exchanger and ozone mist is down between the boiling temperature and the boiling temperature of oxygen of ozone, make ozone gas be converted into liquid ozone, oxygen is still gaseous state;
Step 3: after the heat exchange of step 2, by the cold medium in heat-exchange tube (306) by heat exchanger the first output (303) export;
Step 4: after the heat exchange of step 2, exports second output (304) of isolated gaseous state oxygen automatic heat-exchanger;
Step 5: after the heat exchange of step 2, exports the 3rd output (305) of isolated liquid ozone by heat exchanger.
2. the separation method of oxygen as claimed in claim 1 and ozone mist, it is characterized in that: increase step 6 after step 5, described step 6 is: set up first vaporizer (5), isolated liquid ozone being inputted in the first vaporizer (5), utilizing the first vaporizer (5) to be vaporized into ozone gas by isolating liquid ozone; The input (501) of described first vaporizer is connected by pipeline with the 3rd output (305) of heat exchanger.
3. the separation method of oxygen as claimed in claim 1 and ozone mist, it is characterized in that: after step 4, increase step 7, described step 7 is: set up an ozone breaker (6), by in isolated oxygen input ozone breaker (6), ozone breaker is utilized to eliminate ozone remaining in isolated oxygen; Second output (304) of described heat exchanger is connected by pipeline with the input (601) of ozone breaker, and pure oxygen reclaims from the output (602) of ozone breaker.
4. the separation method of oxygen as claimed in claim 1 and ozone mist, is characterized in that: increase step 8 after step 3, described step 8 is: set up a cold medium retracting device (8) and reclaim cold medium; First output (303) of described heat exchanger is connected by pipeline with cold medium retracting device (8).
5. the separation method of oxygen as claimed in claim 3 and ozone mist, it is characterized in that: after step 7, increase step 9, step 9 is: set up an oxygen storage device (4), the output (602) of ozone breaker is connected the oxygen for storing recovery with the first input end (401) of oxygen storage device.
6. the separation method of oxygen as claimed in claim 1 and ozone mist, is characterized in that: the outer wall of described heat exchanger is provided with a heat-insulation layer (309).
7. the separation method of oxygen as claimed in claim 1 and ozone mist, is characterized in that: described cold medium is liquid oxygen or liquid nitrogen.
8. the separation method of oxygen as claimed in claim 2 and ozone mist, it is characterized in that: after step 6, increase step 10, described step 10 is: set up an ozone storage device (7) and clean air source (10), the output (502) of described first vaporizer is connected with the first input end (701) of ozone storage device by pipeline, clean air source (10) is connected with second input (702) of ozone storage device by pipeline simultaneously, by controlling the amount of the pure air added, pure air is mixed to form with ozone in ozone storage device and sets the ozone of concentration and the mist of air.
9. the separation method of oxygen as claimed in claim 8 and ozone mist, is characterized in that: the pure air inputted and the mass ratio of ozone are between 90:10 ~ 82:18.
10. application rights requires an ozone generation system for the separation method of the oxygen described in 1 and ozone mist, it is characterized in that: described ozone generation system comprises ozone generator (1), the source of the gas of ozone generator and ozone generator source of the gas feeding mechanism (12), cold medium and cold medium feeding mechanism (2) and heat exchanger (3); Described ozone generator is provided with ozone generator air source input end (102) and ozone generator mist output (101); Described ozone generator air source input end (102) is connected by pipeline with ozone generator source of the gas feeding mechanism (12); Described heat exchanger (3) comprises at least two inputs and three outputs and the heat-exchange tube (306) being communicated with the first input end of heat exchanger and the first output of heat exchange; Described cold medium feeding mechanism (2) is connected by pipeline with the first input end (301) of heat exchanger, is inputted by cold medium in heat exchanger (3); Second input (302) of described heat exchanger is connected with the mist output (101) of ozone generator by pipeline, to input in heat exchanger (3) by oxygen and ozone mist; First output (303) of described heat exchanger is cold medium output, and second output (304) of heat exchanger is isolated oxygen output, and the 3rd output (305) of heat exchanger is isolated liquid ozone output; The position of second output (304) of described heat exchanger is higher than the position of the 3rd output (305) of heat exchanger.
11. ozone generation systems as described in claim 10, it is characterized in that: the source of the gas feeding mechanism of described cold medium feeding mechanism and ozone generator is the same liquid oxygen supply device (11) providing liquid oxygen, and described ozone generation system also comprises second vaporizer (9); The output of described liquid oxygen supply device (11) is connected by pipeline with the input (901) of the second vaporizer, the output (902) of the second vaporizer is connected by pipeline with ozone generator air source input end (102), simultaneously, liquid oxygen supply device (11) is connected by pipeline with the first input end (301) of heat exchanger, and first output (303) of heat exchanger is connected with ozone generator air source input end (102) by pipeline.
12. ozone generation systems as claimed in claim 10, is characterized in that: described cold medium is liquid nitrogen or liquid oxygen.
13. ozone generation systems as claimed in claim 11, is characterized in that: described ozone generation system is also provided with an oxygen storage device (4); The output (902) of described second vaporizer is connected with the first input end (401) of oxygen storage device by pipeline; First output (303) of described heat exchanger is connected by pipeline with second input (402) of oxygen storage device; 3rd input (403) of described oxygen storage device is connected by pipeline with second output (304) of heat exchanger; The output (404) of described oxygen storage device is connected with ozone generator air source input end (102) by pipeline.
14. ozone generation systems as described in claim 10 or 11, is characterized in that: the outer wall of described heat exchanger has a heat-insulation layer (309).
15. ozone generation systems as described in claim 10 or 11, is characterized in that: described heat exchanger is provided with Pressure gauge (307) and thermometer (308).
16. ozone generation systems as described in claim 10 or 11, it is characterized in that: described ozone generation system also comprises first vaporizer (5) for vaporize liquid ozone, the input (501) of described first vaporizer is connected by pipeline with the 3rd output (305) of heat exchanger, by the first vaporizer (5), the ozone of isolated liquid state is vaporized into ozone gas and is exported by the output (502) of the first vaporizer.
17. ozone generation systems as described in claim 10 or 11, it is characterized in that: described ozone generation system also comprises an ozone storage device (7) and clean air source (10), the output (502) of described first vaporizer (5) is connected with first input end (701) pipeline of ozone storage device, and clean air source (10) is connected with the second input (702) pipeline of ozone storage device.
18. ozone generation systems as claimed in claim 17, is characterized in that: the air of input and the mass ratio of ozone are between 90:10 ~ 82:18.
19. ozone generation systems as described in claim 10 or 13, it is characterized in that: described ozone generation system also comprises an ozone breaker (6), the input (601) of described ozone breaker is connected by pipeline with second output (304) of heat exchanger, and the output (602) of ozone breaker is connected with the 3rd input (403) of oxygen storage device by pipeline.
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| CN106145047B (en) * | 2015-03-26 | 2019-01-08 | 苏州清然环保科技有限公司 | The system and method that ozone preparation and circulation of tail gas utilize |
| CN105036084B (en) * | 2015-07-31 | 2017-03-01 | 西北大学 | A kind of System and method fors extracting oxygen-enriched and nitrogen-rich gas from the air |
| CN109205564B (en) * | 2017-07-04 | 2022-05-13 | 保定赛印科学仪器研发有限公司 | Method for purifying ozone by using ozone generation system |
| CN109200737B (en) * | 2017-07-04 | 2024-04-26 | 保定赛印科学仪器研发有限公司 | Ozone purification device and ozone purification system |
| CN108408868A (en) * | 2018-04-19 | 2018-08-17 | 曹祚 | A kind of high-concentrated ozone water producing method |
| CN109455672A (en) * | 2018-12-31 | 2019-03-12 | 北京清源中科环保科技有限公司 | The system and method for generating ozone and liquefaction separation using liquid oxygen |
| CN109437113A (en) * | 2018-12-31 | 2019-03-08 | 北京清源中科环保科技有限公司 | Oxygen and ozone equipment for separation of gases |
| CN111928575A (en) * | 2020-08-10 | 2020-11-13 | 广东汇兴空气液化有限公司 | Medical oxygen preparation method |
| CN112538637B (en) * | 2020-11-23 | 2023-08-08 | 珠海格力电器股份有限公司 | Ozone generating device, control method and refrigerator |
| CN113460966B (en) * | 2021-07-01 | 2023-11-21 | 光大水务科技发展（南京）有限公司 | Ozone separation system and method for generating high-concentration ozone mixed gas by utilizing liquid oxygen |
| CN114259851A (en) * | 2021-12-10 | 2022-04-01 | 广东顺易能源环保有限公司 | Method and system for treating super-oxidized organic waste gas |
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