CN105056265A - Hydrogen peroxide low-temperature vaporization sterilization device and method - Google Patents
Hydrogen peroxide low-temperature vaporization sterilization device and method Download PDFInfo
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- CN105056265A CN105056265A CN201510402977.0A CN201510402977A CN105056265A CN 105056265 A CN105056265 A CN 105056265A CN 201510402977 A CN201510402977 A CN 201510402977A CN 105056265 A CN105056265 A CN 105056265A
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- hydrogen peroxide
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- vaporization tank
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Abstract
The invention relates to a hydrogen peroxide low-temperature vaporization sterilization device, which comprises a main box body, wherein a hydrogen peroxide supply device is arranged in the main box body, and the device comprises a hydrogen peroxide liquid storage bottle and a hydrogen peroxide vaporization tank; a blasting water column device is arranged inside the hydrogen peroxide vaporization tank; by virtue of the blasting water column device, a hydrogen peroxide gas-liquid mixture is formed by a hydrogen peroxide solution; a gas-liquid separation device is arranged above the hydrogen peroxide vaporization tank; by virtue of the gas-liquid separation device, knockout occurs as the hydrogen peroxide gas-liquid mixture is blocked, so that the gas-liquid mixture is separated into hydrogen peroxide gas and hydrogen peroxide liquid drop, and the hydrogen peroxide liquid drop flows back into the vaporization tank.
Description
Technical field
The present invention relates to the space disinfection field of pharmaceutical manufacturer, hospital, public place and the vehicles, family etc., espespecially a kind of hydrogen peroxide low-temperature vaporization bactericidal unit.
Background technology
Hydrogen peroxide (being commonly called as hydrogen peroxide) is a kind of conventional disinfectant, has very strong sterilization functions (stronger more than 300 times than liquid), can be used for space disinfection/sterilizing after vaporization.Existing hydrogen peroxide vaporization bactericidal unit generally adopts the method for spraying and high temperature flash of steam to realize the vaporization of hydrogen peroxide.
So-called nebulization, namely utilizes compressed air or ejector pump, is diffused into space subject to sterilization after hydrogen peroxide is injected into little droplet, realize the object of sterilizing; But its mist droplet particle size comparatively large (more than 10 ~ 20 μm), diffusion is slow, and free settling, skewness, the sterilization cycle is long, and sterilization effect is poor.
High temperature flash of steam method is then dripped with the form of droplet or be sprayed onto high temperature flash distillation plate (120 ~ 160 DEG C) by hydrogen peroxide (vapourizing temperature about 140 ~ 150 DEG C) to go up and the air-flow utilizing aerator to produce and negative-pressure vacuum make hydrogen peroxide vaporize and dispel space subject to sterilization to play sterilization functions; But high temperature makes hydrogen peroxide (H
2o
2) decompose loss in a large number and (resolve into water and oxygen 2H
2o
2→ 2H
2o+O
2lose sterilization functions, reach the consumption that sterilization effect just must increase hydrogen peroxide), sterilizing efficiency reduces, ambient humidity rising hydrogen peroxide condensation fast and cause that sterilizing failure and corrosivity become large, energy consumption is larger, simultaneously, adopt the apparatus control system of the method complicated, price costly, also requires that the air conditioning system in space subject to sterilization increases rotary dehumidifier sometimes.
Summary of the invention
For solving the problem, the invention provides a kind of hydrogen peroxide low-temperature vaporization bactericidal unit.
For achieving the above object, the present invention adopts following technical scheme: a kind of hydrogen peroxide low-temperature vaporization bactericidal unit, comprise main box, described main box is provided with the hydrogen peroxide feeding mechanism that hydrogenperoxide steam generator is housed, comprise the hydrogen peroxide liquid containing bottle on main box top and inner hydrogen peroxide vaporization tank, explosion water column device is provided with in described hydrogen peroxide vaporization tank, described explosion water column device makes the hydrogenperoxide steam generator in hydrogen peroxide vaporization tank upwards spray prominent formation high energy water column, hydrogen peroxide gas-liquid mixture is produced after explosion, gas-liquid separation device is provided with above described hydrogen peroxide vaporization tank, described gas-liquid separation device clashes into after hydrogen peroxide gas-liquid mixture is stopped, be separated into hydrogen peroxide gas and hydrogen peroxide drop, described hydrogen peroxide drop is back in hydrogen peroxide vaporization tank, air inlet and gas outlet is arranged with above described main box, ventilation shaft is formed with the inner space of main box between described air inlet and gas outlet, described air inlet is provided with aerator, be provided with spiral between described gas outlet and described main box and force separate vaporizers and heatable catalytic device, described aerator makes the hydrogen peroxide gas of main box inside along ventilation shaft to gas outlet forced flow, described hydrogen peroxide gas is forced to form effective hydrogen peroxide gas after separate vaporizers and described heatable catalytic converter through described spiral and is discharged from gas outlet, be diffused into the space of sterilizing to be sterilized.
Wherein, to be high-frequency resonant vibrating plate be described explosion water column device a kind ofly can tolerate hydrogen peroxide corrosion, low temperature, low energy consumption, dynamical vapourizing unit.
Wherein, described gas-liquid separation device is metallic plate.
Wherein, described hydrogen peroxide liquid containing bottle is communicated with by linker with hydrogen peroxide vaporization tank, to reach the object controlling hydrogen peroxide vaporization tank liquid level.
A kind of hydrogen peroxide low-temperature vaporization sterilizing methods according to claim 1, comprises the steps:
Step one: prepare hydrogenperoxide steam generator (concentration 5 ~ 35%), injects hydrogenperoxide steam generator from hydrogen peroxide liquid containing bottle to the hydrogen peroxide vaporization tank in main box by linker;
Step 2: start the high-frequency resonant vibrating plate bottom hydrogen peroxide vaporization tank, after making hydrogenperoxide steam generator upwards spray prominent formation high energy water column, explosion produces the hydrogen peroxide gas-liquid mixture of 1 ~ 20 μm, the running time of high-frequency resonant vibrating plate is controlled by control system, and user needs setting according to practical situation;
Step 3: the hydrogen peroxide gas-liquid mixture that step 2 produces is run into after metallic plate is stopped shock and gas-liquid separation is occurred, form hydrogen peroxide gas and hydrogen peroxide drop, by " cold wall benefit ", hydrogen peroxide drop being assembled is back in hydrogen peroxide vaporization tank again, utilize effect of turning back that heavier, that comparatively large, energy is lower hydrogen peroxide droplet is adhered on a metal plate, finally isolate 1 ~ 5 μm of nearly gaseous hydrogen peroxide;
Step 4: start aerator, makes nearly gaseous hydrogen peroxide gas in main box along ventilation shaft to gas outlet forced flow;
Step 5: the spiral of nearly gaseous hydrogen peroxide gas in ventilation shaft forces separate vaporizers to form high speed rotating, produces 6 ~ 8g(g-acceleration of gravity) acceleration produce strong impaction with ventilation shaft inwall, formation hydrogen peroxide air mass;
Step 6: start heatable catalytic converter, hydrogen peroxide air mass is added the low temperature hydrogen peroxide gas of thermosetting about 30 ~ 40 DEG C after heatable catalytic converter, catalysis simultaneously generates containing potent sterilising components, electronegative groups such as hydroxyls, is discharged to space subject to sterilization by gas outlet;
Step 7: after equipment runs to setting-up time, shuts down, and hydrogen peroxide gas diffusion is filled the air in space subject to sterilization, and reach sterilization effect after keeping a period of time, sterilizing terminates beneficial effect of the present invention and is:
1, the present invention is compared with the existing spraying bactericidal unit that can only form 10 ~ 20 μm of little droplets, effectively hydrogen peroxide can be vaporized, what formed is hydrogen peroxide gaseous molecular, its air mass diffusibility is better, CONCENTRATION DISTRIBUTION evenly, sterilization capability is stronger, and not free settling, not easily form drop in surface aggregation condensation, hydrogen peroxide is reduced the corrosivity of environmental unit facility.2, the present invention is compared with the device of high temperature flash of steam (120 ~ 160 DEG C) method of employing, the heatable catalytic converter surface directly contacted with hydrogen peroxide in vaporescence of the present invention is no more than 60 DEG C, the hydrogen peroxide gas produced only has about 40 DEG C, the basic free of losses of hydrogen peroxide, all change into the hydrogen peroxide gas of potent sterilization functions, hydrogen peroxide use is little, be more suitable for the sterilizing of thermal sensitivity product, in sterilization process the temperature of environment and relative humidity ascensional range little, without the need to dehumidifying, the corrosivity of hydrogen peroxide to environmental unit facility is less.3, adaptability of the present invention and operability better.4, full automation of the present invention controls, and has real-time complete real sterilization process record, more meets pharmaceutical industry GMP(" Good Manufacturing Practice and Quality Control of Drug ").5, full automation of the present invention controls to arrange time delay according to practical situation, can ensure that withdrawing rear completely personnel starts sterilizing, its safety and personnel protection better.6, structure of the present invention is simpler, reliable, and cost is lower, has good cost performance.
Accompanying drawing explanation
Fig. 1 is structure chart of the present invention.
Mark illustrates: 1. main box; 11. air inlets; 12. gas outlets; 13. ventilation shafts; 14. aerators; 2. hydrogen peroxide vaporization tank; 3. hydrogen peroxide liquid containing bottle; 4. high-frequency resonant vibrating plate; 5. metallic plate; 6. separate vaporizers forced by spiral; 7. heatable catalytic converter.
Detailed description of the invention
Refer to shown in Fig. 1, a kind of hydrogen peroxide low-temperature vaporization bactericidal unit, comprise main box 1, hydrogen peroxide feeding mechanism is provided with in described main box 1, described hydrogen peroxide feeding mechanism comprises the hydrogen peroxide vaporization tank 2 be located in main box 1 and the hydrogen peroxide liquid containing bottle 3 be located at outside main box 1, law of connected vessels is utilized to make hydrogen peroxide liquid containing bottle 3 in the hydrogen peroxide vaporization tank 2 in main box 1, supplement hydrogen peroxide in real time and maintenance medium invariant position, to ensure the constant of boil-off rate, explosion water column device is provided with in the hydrogen peroxide vaporization tank of described hydrogen peroxide feeding mechanism, described explosion water column device is high-frequency resonant vibrating plate 4, high-frequency resonant vibrating plate 4 makes hydrogenperoxide steam generator produce 1 ~ 20 μm of hydrogen peroxide gas-liquid mixture, gas-liquid separation device is provided with above described hydrogen peroxide vaporization tank, described gas-liquid separation device is metallic plate 5, metallic plate 5 is partitioned into ventilation air duct main box 1, gas-liquid separation is there is in metallic plate 5 after making hydrogen peroxide gas-liquid mixture be stopped shock, form hydrogen peroxide gas and hydrogen peroxide drop, by " cold wall benefit ", hydrogen peroxide drop being assembled is back in hydrogen peroxide vaporization tank 2 again, utilization effect of turning back makes heavier, larger, the hydrogen peroxide droplet that energy is lower sticks on metallic plate 5, isolate 1 ~ 5 μm of nearly gaseous hydrogen peroxide, described main box 1 is arranged with air inlet 11 and gas outlet 12, air inlet 11 can be located at main box 1 end face or side, gas outlet 12 can be symmetrically set in end face or the side of main box 1, in order to reduce lateral dimension of the present invention, main box 1 end face is all located in air inlet 11 and gas outlet 12, ventilation shaft 13 is provided with between described air inlet 11 and gas outlet 12, described air inlet 11 place is provided with aerator 14, the hydrogen peroxide gas that described aerator 14 makes main box 1 inside produce forces flow to gas outlet 12 along ventilation shaft 13 and be configured at air inlet 11 place, described hydrogen peroxide gas forces to discharge through gas outlet 12 after separate vaporizers 6 and heatable catalytic converter 7 through the spiral in ventilation shaft 13, spiral forces separate vaporizers 6 to be located at the top of main box 1, heatable catalytic converter 7 is located at spiral and is forced above separate vaporizers 6 and to be located at below gas outlet 12.Spiral forces separate vaporizers 6 air-flow to form high speed rotating, produce 6 ~ 8g(g-acceleration of gravity) acceleration and ventilation shaft 13 inwall produce strong impaction, form hydrogen peroxide gaseous state air mass, then the low temperature hydrogen peroxide gas of thermosetting about 30 ~ 40 DEG C is added through heatable catalytic converter 7, be catalyzed into simultaneously and be discharged to space subject to sterilization by the rapid diffusion in gas outlet 12 again containing the potent sterilising components such as hydroxyl, electronegative group, play potent sterilization functions.
A kind of hydrogen peroxide low-temperature vaporization sterilizing methods according to claim 1, comprises the steps:
Step one: prepare hydrogenperoxide steam generator (concentration 5 ~ 35%), injects hydrogenperoxide steam generator from hydrogen peroxide liquid containing bottle to the hydrogen peroxide vaporization tank in main box by linker;
Step 2: start the high-frequency resonant vibrating plate bottom hydrogen peroxide vaporization tank, after making hydrogenperoxide steam generator upwards spray prominent formation high energy water column, explosion produces the hydrogen peroxide gas-liquid mixture of 1 ~ 20 μm, the running time of high-frequency resonant vibrating plate is controlled by control system, and user needs setting according to practical situation;
Step 3: the hydrogen peroxide gas-liquid mixture that step 2 produces is run into after metallic plate is stopped shock and gas-liquid separation is occurred, form hydrogen peroxide gas and hydrogen peroxide drop, by " cold wall benefit ", hydrogen peroxide drop being assembled is back in hydrogen peroxide vaporization tank again, utilize effect of turning back that heavier, that comparatively large, energy is lower hydrogen peroxide droplet is adhered on a metal plate, finally isolate 1 ~ 5 μm of nearly gaseous hydrogen peroxide;
Step 4: start aerator, makes nearly gaseous hydrogen peroxide gas in main box along ventilation shaft to gas outlet forced flow;
Step 5: the spiral of nearly gaseous hydrogen peroxide gas in ventilation shaft forces separate vaporizers to form high speed rotating, produces 6 ~ 8g(g-acceleration of gravity) acceleration produce strong impaction with ventilation shaft inwall, formation hydrogen peroxide air mass;
Step 6: start heatable catalytic converter, hydrogen peroxide air mass is added the low temperature hydrogen peroxide gas of thermosetting about 30 ~ 40 DEG C after heatable catalytic converter, catalysis simultaneously generates containing potent sterilising components, electronegative groups such as hydroxyls, is discharged to space subject to sterilization by gas outlet;
Step 7: after equipment runs to setting-up time, shuts down, and hydrogen peroxide gas diffusion is filled the air in space subject to sterilization; sterilization effect is reached after keeping a period of time; sterilizing terminates the present invention, can effectively hydrogen peroxide low-temperature vaporization, formation be the gaseous molecular of hydrogen peroxide; its air mass diffusibility is better; CONCENTRATION DISTRIBUTION evenly, sterilization capability is stronger, and not free settling; not easily assemble in surface condensation and form drop, hydrogen peroxide reduces the corrosivity of environmental unit facility.The heatable catalytic converter surface directly contacted with hydrogen peroxide in vaporescence is no more than 60 DEG C, the hydrogen peroxide gas generated only has about 40 DEG C, the basic free of losses of hydrogen peroxide, all change into the hydrogen peroxide gas of potent sterilization functions, hydrogen peroxide use is little, is more suitable for the sterilizing of thermal sensitivity product, in sterilization process the temperature of environment and relative humidity ascensional range little, without the need to dehumidifying, the corrosivity of hydrogen peroxide to environmental unit facility is less.
Above embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that the common engineers and technicians in this area make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determine.
Claims (5)
1. a hydrogen peroxide low-temperature vaporization bactericidal unit, it is characterized in that: comprise main box, described main box is provided with the hydrogen peroxide feeding mechanism that hydrogenperoxide steam generator is housed, comprise the hydrogen peroxide liquid containing bottle on main box top and inner hydrogen peroxide vaporization tank, explosion water column device is provided with in described hydrogen peroxide vaporization tank, described explosion water column device makes the hydrogenperoxide steam generator in hydrogen peroxide vaporization tank upwards spray prominent formation high energy water column, hydrogen peroxide gas-liquid mixture is produced after explosion, gas-liquid separation device is provided with above described hydrogen peroxide vaporization tank, described gas-liquid separation device clashes into after hydrogen peroxide gas-liquid mixture is stopped, be separated into hydrogen peroxide gas and hydrogen peroxide drop, described hydrogen peroxide drop is back in hydrogen peroxide vaporization tank, air inlet and gas outlet is arranged with above described main box, ventilation shaft is formed with the inner space of main box between described air inlet and gas outlet, described air inlet is provided with aerator, be provided with spiral between described gas outlet and described main box and force separate vaporizers and heatable catalytic device, described aerator makes the hydrogen peroxide gas of main box inside along ventilation shaft to gas outlet forced flow, described hydrogen peroxide gas is forced to form effective hydrogen peroxide gas after separate vaporizers and described heatable catalytic converter through described spiral and is discharged from gas outlet, be diffused into the space of sterilizing to be sterilized.
2. a kind of hydrogen peroxide low-temperature vaporization bactericidal unit according to claim 1, is characterized in that: described explosion water column device is high-frequency resonant vibrating plate.
3. a kind of hydrogen peroxide low-temperature vaporization bactericidal unit according to claim 1, is characterized in that: described gas-liquid separation device is metallic plate.
4. a kind of hydrogen peroxide low-temperature vaporization bactericidal unit according to claim 1, is characterized in that: described hydrogen peroxide liquid containing bottle is communicated with by linker with hydrogen peroxide vaporization tank.
5. a hydrogen peroxide low-temperature vaporization sterilizing methods according to claim 1, comprises the steps:
Step one: prepare hydrogenperoxide steam generator (concentration 5 ~ 35%), injects hydrogenperoxide steam generator from hydrogen peroxide liquid containing bottle to the hydrogen peroxide vaporization tank in main box by linker;
Step 2: start the high-frequency resonant vibrating plate bottom hydrogen peroxide vaporization tank, after making hydrogenperoxide steam generator upwards spray prominent formation high energy water column, explosion produces the hydrogen peroxide gas-liquid mixture of 1 ~ 20 μm, the running time of high-frequency resonant vibrating plate is controlled by control system, and user needs setting according to practical situation;
Step 3: the hydrogen peroxide gas-liquid mixture that step 2 produces is run into after metallic plate is stopped shock and gas-liquid separation is occurred, form hydrogen peroxide gas and hydrogen peroxide drop, by " cold wall benefit ", hydrogen peroxide drop being assembled is back in hydrogen peroxide vaporization tank again, utilize effect of turning back that heavier, that comparatively large, energy is lower hydrogen peroxide droplet is adhered on a metal plate, finally isolate 1 ~ 5 μm of nearly gaseous hydrogen peroxide;
Step 4: start aerator, makes nearly gaseous hydrogen peroxide gas in main box along ventilation shaft to gas outlet forced flow;
Step 5: the spiral of nearly gaseous hydrogen peroxide gas in ventilation shaft forces separate vaporizers to form high speed rotating, produces 6 ~ 8g(g-acceleration of gravity) acceleration produce strong impaction with ventilation shaft inwall, formation hydrogen peroxide air mass;
Step 6: start heatable catalytic converter, hydrogen peroxide air mass is added the low temperature hydrogen peroxide gas of thermosetting about 30 ~ 40 DEG C after heatable catalytic converter, catalysis simultaneously generates containing potent sterilising components, electronegative groups such as hydroxyls, is discharged to space subject to sterilization by gas outlet;
Step 7: after equipment runs to setting-up time, shuts down, and hydrogen peroxide gas diffusion is filled the air in space subject to sterilization, and reach sterilization effect after keeping a period of time, sterilizing terminates.
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|---|---|---|---|
| CN201510402977.0A CN105056265A (en) | 2015-07-10 | 2015-07-10 | Hydrogen peroxide low-temperature vaporization sterilization device and method |
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| CN201510402977.0A CN105056265A (en) | 2015-07-10 | 2015-07-10 | Hydrogen peroxide low-temperature vaporization sterilization device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106822954A (en) * | 2017-03-21 | 2017-06-13 | 湖北荷普药业股份有限公司 | A kind of room temperature vaporizes disinfection system |
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2015
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106822954A (en) * | 2017-03-21 | 2017-06-13 | 湖北荷普药业股份有限公司 | A kind of room temperature vaporizes disinfection system |
| CN106822954B (en) * | 2017-03-21 | 2019-09-17 | 湖北荷普药业股份有限公司 | A kind of room temperature vaporization disinfection system |
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Application publication date: 20151118 |
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| WD01 | Invention patent application deemed withdrawn after publication |