CN104474563A - Vacuum high-temperature and high-pressure sterilization method free from pulse of vacuum pump and sterilizer thereof - Google Patents
Vacuum high-temperature and high-pressure sterilization method free from pulse of vacuum pump and sterilizer thereof Download PDFInfo
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- CN104474563A CN104474563A CN201410720607.7A CN201410720607A CN104474563A CN 104474563 A CN104474563 A CN 104474563A CN 201410720607 A CN201410720607 A CN 201410720607A CN 104474563 A CN104474563 A CN 104474563A
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Abstract
The invention discloses a vacuum high-temperature and high-pressure sterilization method free from pulse of a vacuum pump and a sterilizer thereof; the sterilizer comprises a controller, a sterilization room, a condenser, a heater and a metal heat accumulation type steam generator, wherein the sterilization room, the condenser, the heater and the metal heat accumulation type steam generator are respectively connected with the controller and controlled by the controller; the heater is arranged on the outer wall of the sterilization room; and the sterilization room is respectively connected with the condenser and the metal heat accumulation type steam generator through a pipeline. The method provided by the invention is simple in step, free from the vacuum pump, low in cost, easy to realize, rapid in sterilization speed and good in sterilization effect; the sterilizer provided by the invention is smart in design and reasonable in structure; the required vacuum degree can be rapidly achieved in a condensing manner; the traditional vacuum pump can be completely replaced; the parts are reduced; the integral structure is simplified; and the sterilizer is small in volume, easy to produce, low in cost, good in working stability, low in noise and long in service life, and is suitable for being widely popularized and applied.
Description
Technical field
The present invention relates to sterilizing art, particularly a kind of vacuum pump less pulse vacuum autoclave sterilization method and steriliser thereof being applicable to medical apparatus and instruments.
Background technology
Sterilization is the important step of diseases prevention and control, is also the important component part implementing policy of putting prevention first.Particularly in infectious disease control, sterilization has become one of key means cutting off route of transmission.
Along with the development of health care level of modernization, various modernization sterilising prods enters medical institutions at different levels in succession.High-temperature high-pressure pulse vacuum steam sterilizer is the most frequently used sterilizing installation of present hospital, and steam generator and vacuum pump are the core apparatus of this equipment, and the performance of this device determines sterilizing speed and the working time of whole sterilizing installation.
The structure generally adopted now has the pot type of a constant volume, electric heating steam generator and water-ring vacuum pump, and this steam generator volume is large, materials are many, cost is high; Simultaneously the price of water-ring vacuum pump also compared with high, volume large, occupation of land is many, and operating noise is also comparatively large, and service life is relative also shorter.
Summary of the invention
For above-mentioned deficiency, one of the object of the invention is, provides a kind of smart structural design, rationally, without the need to vacuum pump, cost is low, and sterilization effect is good and the vacuum pump less pulse vacuum autoclave sterilization method that noise is little.
The present invention also aims to, provide a kind of and implement above-mentioned vacuum pump less pulse vacuum autoclave sterilization method, and volume is little, cost is low, and sterilization effect is good and noise is little, the steriliser of long service life.
For achieving the above object, the technical scheme provided is in the present invention:
A kind of vacuum pump less pulse vacuum autoclave sterilization method, it comprises the following steps:
(1) arrange sterile chamber, this sterile chamber is used for placing the apparatus needing sterilizing;
(2) arrange the metal heat accumulating type steam generator at least with a metal inner cavity, this metal heat accumulating type steam generator is used for for sterile chamber's conveying high-temperature vapor;
(3) arrange condenser, this condenser is used for the high-temperature vapor in sterile chamber to be converted into aqueous water, makes sterile chamber present negative pressure state simultaneously, to reach sterilized necessary vacuum;
(4) arrange heater, this heater is used for heating sterile chamber, with reach sterilizing and dry time required temperature;
(5) will the apparatus of sterilizing be needed to put into sterile chamber, heater heats sterile chamber, to reach required sterilising temp;
(6) metal heat accumulating type steam generator produces high-temperature vapor, and is delivered to sterile chamber;
(7) after high-temperature vapor enters sterile chamber, corresponding air in sterile chamber to be extruded, and be full of whole sterile chamber gradually until reach required sterilization pressure, normal pressure required during to make to reach high temperature sterilize in sterile chamber;
(8) condenser carries out cooling to high-temperature vapor and makes it to be converted into aqueous water; At this moment, sterile chamber presents negative pressure state, to make to reach the negative pressure needed for process of vacuum drying in sterile chamber;
(9) repeat step (7) to (8), realize the object of apparatus being carried out to autoclave sterilization;
(10) after sterilizing action, sterile chamber presents negative pressure state, and heater heats sterile chamber, and temperature required during to reach drying, realizes the object of apparatus being carried out to negative pressure drying.
As a modification of the present invention, described step (6) specifically comprises the steps:
(6.1) heating tube started in metal heat accumulating type steam generator heats metal heat storage and metal inner cavity, makes metal heat storage and metal inner cavity temperature rise to more than 200 degree;
(6.3) intake pump by the water of water tank with the pressure of predetermined set inject metal inner cavity, instant water vaporization formed described in high-temperature vapor, this high-temperature vapor by Pipeline transport to sterile chamber.
As a modification of the present invention, described step (7) specifically comprises the following steps:
(7.1) be provided with air exit in the bottom of sterile chamber in advance, this air exit is provided with air bleeding valve;
(7.2) after high-temperature vapor enters sterile chamber, because high-temperature vapor density is close to 1/2nd of atmospheric density, the air in sterile chamber can be extruded through air bleeding valve quickly through air exit;
(7.3) along with the discharge of the air in sterile chamber, exhaust valve closure, high-temperature vapor is full of whole sterile chamber gradually until reach required sterilization pressure, normal pressure required during to make to reach high temperature sterilize in sterile chamber.
As a modification of the present invention, described step (8) specifically comprises the following steps:
(8.1) high-temperature vapor in sterile chamber enters condenser by the road;
(8.2) condenser carries out cooling by tap water to this high-temperature vapor and makes it to be converted into aqueous water;
(8.3) along with the high-temperature vapor in sterile chamber reduces rapidly, present negative pressure state, reach required vacuum, to make to reach in sterile chamber the negative pressure of discharging fast in it needed for air pocket and process of vacuum drying.
A kind of steriliser implementing above-mentioned vacuum pump less pulse vacuum autoclave sterilization method, it comprises controller and is connected with this controller respectively, and by its sterile chamber controlled, condenser, heater and metal heat accumulating type steam generator, described heater is arranged on the outer wall of sterile chamber, and this sterile chamber is connected with metal heat accumulating type steam generator with described condenser respectively by pipeline.
As a modification of the present invention, the bottom of described sterile chamber is provided with air exit, and this air exit is provided with air bleeding valve.
As a modification of the present invention, described metal heat accumulating type steam generator is connected with water tank by pipeline, and this pipeline is provided with intake pump.
As a modification of the present invention, described condenser comprises stainless steel bucket and is arranged on the cooling tube on this stainless steel bucket, one end of this cooling tube is running water inlet, the other end is tap water outlet, the top of described stainless steel bucket is provided with the steam inlet for being connected with described sterile chamber, and bottom is provided with condensation-water drain.
As a modification of the present invention, described cooling tube is copper pipe or aluminum pipe.
As a modification of the present invention, described running water inlet is provided with water intaking valve, and described condensation-water drain is provided with drain valve.
Beneficial effect of the present invention is: the step of method provided by the invention is simple, and without the need to vacuum pump, cost is low, and be easy to realize, sterilizing speed is fast, and sterilization effect is good; Steriliser design provided by the invention is ingenious, rational in infrastructure, reaches required vacuum fast by condensing mode, conventional vacuum pump can be substituted completely, reduction parts, simplify overall structure, volume is little, be easy to manufacture, cost is low, and working stability is good, and noise is little, long service life, is beneficial to wide popularization and application.
Below in conjunction with accompanying drawing and embodiment, the present invention is further described.
Accompanying drawing explanation
Fig. 1 is structural schematic block diagram of the present invention.
Detailed description of the invention
Embodiment: see Fig. 1, the embodiment of the present invention provides a kind of vacuum pump less pulse vacuum autoclave sterilization method, and it comprises the following steps:
(1) arrange sterile chamber 1, this sterile chamber 1 is used for placing the apparatus needing sterilizing;
(2) arrange and at least have the metal heat accumulating type steam generator 2 of a metal inner cavity 21, this metal heat accumulating type steam generator 2 is for for carrying high-temperature vapor in sterile chamber 1;
(3) arrange condenser 3, this condenser 3 is used for the high-temperature vapor in sterile chamber 1 to be converted into aqueous water, makes sterile chamber 1 present negative pressure state simultaneously, to reach sterilized necessary vacuum;
(4) heater 7 is set, this heater 7 for heating sterile chamber 1, with reach sterilizing and dry time required temperature;
(5) will the apparatus of sterilizing be needed to put into sterile chamber 1, heater heats sterile chamber 1, to reach required sterilising temp;
(6) metal heat accumulating type steam generator 2 produces high-temperature vapor, and is delivered to sterile chamber 1; Specifically comprise the steps: that (6.1) start heating tube 22 pairs of metal heat storages in metal heat accumulating type steam generator 2 and metal inner cavity 21 heats, make metal heat storage and metal inner cavity 21 temperature rise to more than 200 degree; (6.2) intake pump 4 by the water of water tank 5 with the pressure of predetermined set inject metal inner cavity 21, instant water vaporization formed described in high-temperature vapor, this high-temperature vapor by Pipeline transport to sterile chamber 1.
(7) after high-temperature vapor enters sterile chamber 1, correspondingly to be extruded by air in sterile chamber 1, and be full of whole sterile chamber 1 gradually until reach required sterilization pressure, normal pressure required during to make to reach high temperature sterilize in sterile chamber 1, realizes sterilizing object; Specifically comprise the following steps: (7.1) are provided with air exit in the bottom of sterile chamber 1 in advance, this air exit is provided with air bleeding valve 11; (7.2) after high-temperature vapor enters sterile chamber 1, because high-temperature vapor density is close to 1/2nd of atmospheric density, the air in sterile chamber 1 can be extruded through air bleeding valve 11 quickly through air exit; (7.3) along with sterile chamber 1 until reach required sterilization pressure, normal pressure required during to make to reach high temperature sterilize in sterile chamber.
(8) condenser 3 pairs of high-temperature vapors carry out cooling and make it to be converted into aqueous water; At this moment, sterile chamber 1 presents negative pressure state, to make the negative pressure reached in sterile chamber 1 needed for process of vacuum drying.Specifically comprise the following steps: the high-temperature vapor in (8.1) sterile chamber 1 enters condenser 3 by the road; (8.2) condenser 3 carries out cooling by tap water to this high-temperature vapor and makes it to be converted into aqueous water, and is discharged by this aqueous water; (8.3) along with the high-temperature vapor in sterile chamber 1 reduces rapidly, present negative pressure state, reach required vacuum, to make to reach in sterile chamber 1 negative pressure of discharging fast in it needed for air pocket and process of vacuum drying.
A kind of steriliser implementing above-mentioned vacuum pump less pulse vacuum autoclave sterilization method, it comprises controller 6 and is connected with this controller 6 respectively, and by its sterile chamber 1 controlled, condenser 3, heater and metal heat accumulating type steam generator 2, described heater is arranged on the outer wall of sterile chamber 1, and this sterile chamber 1 is connected with metal heat accumulating type steam generator 2 with described condenser 3 respectively by pipeline.Be provided with metal inner cavity 21 in metal heat accumulating type steam generator 2, the outer wall of this metal inner cavity 21 be provided with heating tube 22 and metal heat storage.
Concrete, be provided with air exit in the bottom of described sterile chamber 1, this air exit is provided with air bleeding valve 11.Described metal heat accumulating type steam generator 2 is connected with water tank 5 by pipeline, and this pipeline is provided with intake pump 5.Described condenser 3 comprises stainless steel bucket and is arranged on the cooling tube on this stainless steel bucket, one end of this cooling tube is running water inlet 31, the other end is tap water outlet 32, the top of described stainless steel bucket is provided with the steam inlet 33 for being connected with described sterile chamber 1, and bottom is provided with condensation-water drain 34.Described running water inlet 31 is provided with water intaking valve, described condensation-water drain is provided with drain valve.Preferably, described cooling tube is copper pipe or aluminum pipe, and cooling effect is better.
During sterilizing, put into sterile chamber 1 by needing the apparatus of sterilizing; Operation control 6, startup heating tube 22 pairs of metal heat storages and metal inner cavity 21 heat, metal heat storage and metal inner cavity 21 temperature is made to reach more than 200 degree, anhydrous at ordinary times in metal inner cavity 21, when needs steam, water is injected metal inner cavity 21, this metal heat accumulating type steam generator 2 volume can accomplish the part of pot type steam generator, effective reduced volume, reduce engaged position, and overall structure is simple, easy to manufacture, price is lower.High-temperature vapor enters 1 pair, sterile chamber apparatus and carries out steam sterilization.The technology of the present invention just vacuum pump is removed, and changes and produces required vacuum by condenser 3.Because sterilization process is completed by high-temperature high-pressure steam, and water saturation vapour pressure only has about 7 kPas (relative pressures about-93 kPas) when 40 degree, as long as so the air of sterile chamber 1 is got rid of clean, temperature (generally lower than 40 degree) by tap water just can produce the vacuum of 10 kPas (relative pressures-90 kPas) by condenser 3, can substitute vacuum pump completely.And condenser 3 is formed primarily of stainless steel bucket and the cooling tube be arranged on this stainless steel bucket, compared with vacuum pump, structure is more simple, and price is also relatively low, and run more reliable, noise is little, long service life.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also change above-mentioned embodiment and revise.Therefore, the present invention is not limited to detailed description of the invention disclosed and described above, also should fall in the protection domain of claim of the present invention modifications and changes more of the present invention.In addition, although employ some specific terms in this description, these terms just for convenience of description, do not form any restriction to the present invention.As described in the above embodiment the present invention, sterilizing methods same or similar with it and steriliser is adopted, all in scope.
Claims (10)
1. a vacuum pump less pulse vacuum autoclave sterilization method, it is characterized in that, it comprises the following steps:
(1) arrange sterile chamber, this sterile chamber is used for placing the apparatus needing sterilizing;
(2) arrange the metal heat accumulating type steam generator at least with a metal inner cavity, this metal heat accumulating type steam generator is used for for sterile chamber's conveying high-temperature vapor;
(3) arrange condenser, this condenser is used for the high-temperature vapor in sterile chamber to be converted into aqueous water, makes sterile chamber present negative pressure state simultaneously, to reach sterilized necessary vacuum;
(4) arrange heater, this heater is used for heating sterile chamber, with reach sterilizing and dry time required temperature;
(5) will the apparatus of sterilizing be needed to put into sterile chamber, heater heats sterile chamber, to reach required sterilising temp;
(6) metal heat accumulating type steam generator produces high-temperature vapor, and is delivered to sterile chamber;
(7) after high-temperature vapor enters sterile chamber, corresponding air in sterile chamber to be extruded, and be full of whole sterile chamber gradually until reach required sterilization pressure, normal pressure required during to make to reach high temperature sterilize in sterile chamber;
(8) condenser carries out cooling to high-temperature vapor and makes it to be converted into aqueous water; At this moment, sterile chamber presents negative pressure state, to make to reach the negative pressure needed for process of vacuum drying in sterile chamber;
(9) repeat step (7) to (8), realize the object of apparatus being carried out to autoclave sterilization;
(10) after sterilizing action, sterile chamber presents negative pressure state, and heater heats sterile chamber, and temperature required during to reach drying, realizes the object of apparatus being carried out to negative pressure drying.
2. vacuum pump less pulse vacuum autoclave sterilization method according to claim 1, it is characterized in that, described step (6) specifically comprises the steps:
(6.1) heating tube started in metal heat accumulating type steam generator heats metal heat storage and metal inner cavity, makes metal heat storage and metal inner cavity temperature rise to more than 200 degree;
(6.3) intake pump by the water of water tank with the pressure of predetermined set inject metal inner cavity, instant water vaporization formed described in high-temperature vapor, this high-temperature vapor by Pipeline transport to sterile chamber.
3. vacuum pump less pulse vacuum autoclave sterilization method according to claim 2, is characterized in that, described step (7) specifically comprises the following steps:
(7.1) be provided with air exit in the bottom of sterile chamber in advance, this air exit is provided with air bleeding valve;
(7.2) after high-temperature vapor enters sterile chamber, because high-temperature vapor density is close to 1/2nd of atmospheric density, the air in sterile chamber can be extruded through air bleeding valve quickly through air exit;
(7.3) along with the discharge of the air in sterile chamber, exhaust valve closure, high-temperature vapor is full of whole sterile chamber gradually until reach required sterilization pressure, normal pressure required during to make to reach high temperature sterilize in sterile chamber.
4. vacuum pump less pulse vacuum autoclave sterilization method according to claim 3, is characterized in that, described step (8) specifically comprises the following steps:
(8.1) high-temperature vapor in sterile chamber enters condenser by the road;
(8.2) condenser carries out cooling by tap water to this high-temperature vapor and makes it to be converted into aqueous water;
(8.3) along with the high-temperature vapor in sterile chamber reduces rapidly, present negative pressure state, reach required vacuum, to make to reach in sterile chamber the negative pressure of discharging fast in it needed for air pocket and process of vacuum drying.
5. one kind implements the claims the steriliser of one of 1-4 described vacuum pump less pulse vacuum autoclave sterilization method, it is characterized in that, it comprises controller and is connected with this controller respectively, and by its sterile chamber controlled, condenser, heater and metal heat accumulating type steam generator, described heater is arranged on the outer wall of sterile chamber, and this sterile chamber is connected with metal heat accumulating type steam generator with described condenser respectively by pipeline.
6. steriliser according to claim 5, is characterized in that, the bottom of described sterile chamber is provided with air exit, and this air exit is provided with air bleeding valve.
7. steriliser according to claim 5, is characterized in that, described metal heat accumulating type steam generator is connected with water tank by pipeline, and this pipeline is provided with intake pump.
8. steriliser according to claim 5, it is characterized in that, described condenser comprises stainless steel bucket and is arranged on the cooling tube on this stainless steel bucket, one end of this cooling tube is running water inlet, the other end is tap water outlet, the top of described stainless steel bucket is provided with the steam inlet for being connected with described sterile chamber, and bottom is provided with condensation-water drain.
9. steriliser according to claim 8, is characterized in that, described cooling tube is copper pipe or aluminum pipe.
10. steriliser according to claim 8, is characterized in that, described running water inlet is provided with water intaking valve, and described condensation-water drain is provided with drain valve.
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| CN201410720607.7A CN104474563A (en) | 2014-12-03 | 2014-12-03 | Vacuum high-temperature and high-pressure sterilization method free from pulse of vacuum pump and sterilizer thereof |
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| CN201410720607.7A CN104474563A (en) | 2014-12-03 | 2014-12-03 | Vacuum high-temperature and high-pressure sterilization method free from pulse of vacuum pump and sterilizer thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107899030A (en) * | 2017-11-18 | 2018-04-13 | 广东汇通乳胶制品有限公司 | A kind of sterilizing methods for the sheath that sterilizes |
| CN111605274A (en) * | 2020-06-18 | 2020-09-01 | 龙钜超洁净科技（苏州）有限公司 | Wiping cloth for sterile room and preparation method thereof |
| CN115645558A (en) * | 2022-09-09 | 2023-01-31 | 冰山松洋生物科技(大连)有限公司 | Steam sterilization system and method of operating the same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107899030A (en) * | 2017-11-18 | 2018-04-13 | 广东汇通乳胶制品有限公司 | A kind of sterilizing methods for the sheath that sterilizes |
| CN111605274A (en) * | 2020-06-18 | 2020-09-01 | 龙钜超洁净科技（苏州）有限公司 | Wiping cloth for sterile room and preparation method thereof |
| CN115645558A (en) * | 2022-09-09 | 2023-01-31 | 冰山松洋生物科技(大连)有限公司 | Steam sterilization system and method of operating the same |
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