CN114061266B - Quick low temperature vacuum drying's equipment - Google Patents

Quick low temperature vacuum drying's equipment Download PDF

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Publication number
CN114061266B
CN114061266B CN202110837791.3A CN202110837791A CN114061266B CN 114061266 B CN114061266 B CN 114061266B CN 202110837791 A CN202110837791 A CN 202110837791A CN 114061266 B CN114061266 B CN 114061266B
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Prior art keywords
cavity
vacuum
negative pressure
vacuum cavity
low
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CN114061266A (en
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陈�胜
周治任
常文平
王安德
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Shenzhen Marge Technology Co ltd
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Shenzhen Marge Technology Co ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/20—Gaseous substances, e.g. vapours
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/22—Phase substances, e.g. smokes, aerosols or sprayed or atomised substances
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/26—Accessories or devices or components used for biocidal treatment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/06—Chambers, containers, or receptacles
    • F26B25/08—Parts thereof
    • F26B25/12—Walls or sides; Doors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
    • F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
    • F26B9/066—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers the products to be dried being disposed on one or more containers, which may have at least partly gas-previous walls, e.g. trays or shelves in a stack
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2101/00—Chemical composition of materials used in disinfecting, sterilising or deodorising
    • A61L2101/32—Organic compounds
    • A61L2101/34—Hydroxy compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/15—Biocide distribution means, e.g. nozzles, pumps, manifolds, fans, baffles, sprayers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/20—Targets to be treated
    • A61L2202/24—Medical instruments, e.g. endoscopes, catheters, sharps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Sustainable Development (AREA)
  • Molecular Biology (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention relates to the technical field of medical instrument cleaning, and discloses a rapid low-temperature vacuum drying device which comprises a vacuum cavity, wherein a vacuum system and a control system are arranged outside the vacuum cavity, and a preheating plate is arranged inside the vacuum cavity and used for carrying out heat treatment on the vacuum cavity; the outer side of the vacuum cavity is also provided with a negative pressure cavity which is used for releasing pressure to the vacuum cavity so as to prevent the instrument with low heat-sensitive performance from being damaged by heating in a low-pressure state, and the negative pressure cavity is also connected with a vacuum system; the disinfection box is arranged above the negative pressure cavity and is connected with the negative pressure cavity. The negative pressure air inlet valve is closed, the communication between the negative pressure cavity and the vacuum cavity is disconnected, the air breaking valve is opened at the same time, the vacuum cavity is subjected to primary pressure release, the pressure inside the vacuum cavity is increased, and at the moment, the vaporous alcohol in a low-pressure state begins to liquefy and is attached to the inside of the vacuum cavity and medical instruments, so that the medical instruments and the vacuum cavity are sterilized.

Description

Quick low temperature vacuum drying's equipment
Technical Field
The invention relates to the technical field of medical instrument cleaning, in particular to a rapid low-temperature vacuum drying device.
Background
With the development of economy in China, the investment in medical treatment is increasingly increased. The cleaning process of the medical instrument is more standard.
After the traditional medical apparatus is cleaned, an operator uses an air gun to blow dry the moisture on the surface of the apparatus, and then the apparatus is put into drying equipment. The vacuum drying technology used in the market can cause the heating performance of some medical instruments made of low-heat-sensitivity materials to be reduced under vacuum when low-temperature vacuum drying is carried out, so that the medical instruments are damaged; after the instruments are cleaned, the instruments cannot be disinfected in time due to the fact that water is attached to the instruments, the dried instruments are disinfected again after being dried, the dried medical instruments need to be moved to a disinfection position to be disinfected, and the medical instruments need to be placed into drying equipment to be dried again after being disinfected, and operation is quite complex.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a rapid low-temperature vacuum drying device which has the advantages of timely pressure release protection for instruments with low heat-sensitive performance, realization of integrated drying and disinfection treatment, saving of cleaning time of medical instruments and the like, and solves the problems that the medical instruments with low heat-sensitive material are damaged due to reduced heating performance under vacuum, and are separately treated for drying and disinfection and complicated to operate.
(II) technical scheme
In order to solve the technical problem, the invention provides the following technical scheme: the equipment for rapid low-temperature vacuum drying comprises a vacuum cavity, wherein a vacuum system and a control system are arranged outside the vacuum cavity, and a preheating plate is arranged inside the vacuum cavity and used for carrying out heat treatment on the vacuum cavity; the vacuum cavity is characterized in that a negative pressure cavity is further arranged on the outer side of the vacuum cavity and used for releasing pressure of the vacuum cavity to prevent an instrument with low heat sensitivity from being damaged by heating in a low-pressure state, and the negative pressure cavity is also connected with a vacuum system; the disinfection box is arranged above the negative pressure cavity and is connected with the negative pressure cavity, so that disinfectant forms a steam state in the negative pressure cavity, and instruments are disinfected after being introduced into the vacuum cavity; the supporting plate is arranged in the vacuum cavity, is positioned above the preheating plate and is used for placing a drying instrument; and the fog spray head is arranged on the supporting plate, is connected with the negative pressure cavity through a pipe fitting and is used for disinfecting instruments and cooling and pressurizing the vacuum cavity.
Preferably, the vacuum cavity both ends all are provided with places the entry, it is provided with sealing door to place the entry, the sealing door inboard is provided with joint strip, the sealing door middle part is provided with observation glass for the inside condition of vacuum cavity is observed in real time.
Preferably, the vacuum system comprises an external vacuum pump, one side of the side surface of the vacuum cavity is provided with a vacuumizing joint connected with the external vacuum pump, an air pressure detection probe is arranged above the vacuum cavity and used for detecting the pressure inside the vacuum cavity in real time, and the middle of the side surface of the vacuum cavity is provided with a plurality of temperature control probes.
Preferably, a partition plate is arranged at the bottom of the preheating plate, a heating pipe is fixedly arranged below the partition plate, and the end part of the heating pipe extends out of the partition plate and is connected with a heat source connector.
Preferably, the supporting plate frame is arranged above the preheating plate, a supporting rod is arranged above the supporting plate, an instrument basket is placed above the supporting rod, the mist spray head is clamped on the supporting plate below the supporting rod, and the mist spray head faces towards the instrument basket.
Preferably, the negative pressure cavity passes through the connecting tube with the fog shower nozzle is connected, the vacuum cavity side is provided with the negative pressure admission valve, the negative pressure admission valve is located the connecting tube middle part realizes carrying out intermittent type formula low pressure low temperature air to the vacuum cavity and lets in, negative pressure cavity one side is passed through the evacuation joint with external vacuum pump connection.
Preferably, the disinfection box is internally provided with a disinfectant and is connected with the negative pressure cavity through an electric valve for controlling the consumption of the disinfectant.
(III) advantageous effects
Compared with the prior art, the invention provides a rapid low-temperature vacuum drying device, which has the following beneficial effects:
1. this kind of quick low temperature vacuum drying's equipment observes glass through design on the sealing door, can the interior condition of real-time observation vacuum cavity to the sealing door adopts heterotypic sealing strip with the sealed adhesive tape of placing between the entry and setting up, utilizes the good sealed effect of heterotypic sealing strip, and when being the negative pressure in the vacuum cavity, joint strip is adsorbed at the flange face of vacuum cavity, realizes that negative pressure strength is higher, adsorbs tighter more, and sealed effect is better.
2. This kind of quick low temperature vacuum drying's equipment heats the preheating plate through the heating pipe, and wherein preheating plate adopts insulation material, heats the back to the preheating plate earlier for realize preheating in the vacuum chamber, and keep the uniform temperature, and every layer of independent heating of preheating plate cooperates the independent temperature control probe accuse temperature, ensures the uniformity of every layer of temperature, guarantees that the inside temperature of vacuum chamber is unanimous.
3. This kind of quick low temperature vacuum drying's equipment, connect vacuum cavity and external vacuum pump connection through the evacuation, carry out negative pressure to vacuum cavity and handle, be in the negative pressure vacuum state in making vacuum cavity, realize carrying out vacuum drying to medical instrument and handle, under the negative pressure vacuum state, atmospheric pressure detection probe detects vacuum cavity internal pressure, make in the vacuum cavity, be in relative vacuum state all the time in order to satisfy vacuum drying, and to vacuum cavity real-time temperature monitoring through the control by temperature change probe, avoid the high temperature to lead to medical instrument impaired, water on the medical instrument is under vacuum negative pressure state, reduce the boiling point of water, the cooperation preheats under the effect that the board provided the temperature, make the quick boiling evaporation of moisture on the medical instrument, realize vacuum drying.
4. This kind of quick low temperature vacuum drying's equipment, it is in the negative pressure state to carry out inside the realization negative pressure cavity of bleeding through external vacuum pump to the negative pressure cavity, rethread electric valve, lead into the negative pressure cavity with quantitative alcohol antiseptic solution, utilize the high volatility of alcohol, make alcohol let in behind the negative pressure cavity of low pressure through electric valve control, volatilize under the low pressure effect fast, form alcohol steam in the negative pressure cavity, when needing to disinfect medical instrument, open the negative pressure admission valve, make the antiseptic solution fog in the negative pressure cavity pass through the fog shower nozzle, spout inside the vacuum cavity of lower pressure by the negative pressure cavity of higher pressure.
5. According to the equipment for rapid low-temperature vacuum drying, the negative pressure air inlet valve is closed, the communication between the negative pressure cavity and the vacuum cavity is disconnected, the air breaking valve is opened at the same time, the vacuum cavity is subjected to primary pressure release, the pressure inside the vacuum cavity is increased, and at the moment, the vaporous alcohol in a low-pressure state begins to liquefy and is attached to the inside of the vacuum cavity and medical equipment, so that the medical equipment and the vacuum cavity are sterilized.
Drawings
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a schematic diagram of a partial explosion structure of a vacuum chamber according to the present invention;
FIG. 3 is a schematic view of the overall structure of the pallet portion of the present invention;
FIG. 4 is a schematic view of a partially cut-away perspective structure of a pallet of the present invention;
fig. 5 is a schematic diagram of a partially exploded structure of the pallet of the present invention.
In the figure: 1. a vacuum chamber; 11. placing an inlet; 12. a sealing door; 13. sealing rubber strips; 14. observing glass; 15. vacuumizing the joint; 16. an air pressure detection probe; 17 a temperature control probe; 2. preheating a plate; 21. a partition plate; 22. heating a tube; 23. a heat source connection; 3. a negative pressure cavity; 31. connecting a pipeline; 32. a negative pressure air inlet valve; 4. a sterilizing box; 5. a support plate; 51. a support bar; 52. an instrument basket; 6. a mist spray head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a rapid low-temperature vacuum drying apparatus includes a vacuum chamber 1, a vacuum system and a control system are disposed outside the vacuum chamber 1, a preheating plate 2 is disposed inside the vacuum chamber 1, and the preheating plate 2 is used for performing heat treatment on the vacuum chamber 1; the outer side of the vacuum cavity 1 is also provided with a negative pressure cavity 3, the negative pressure cavity 3 is used for releasing pressure to the vacuum cavity 1, so that instruments with low heat-sensitive performance are prevented from being damaged by heating in a low-pressure state, and the negative pressure cavity 3 is also connected with a vacuum system; the disinfection box 4 is arranged above the negative pressure cavity 3, the disinfection box 4 is connected with the negative pressure cavity 3, so that the disinfection liquid forms a steam state in the negative pressure cavity 3, and instruments are disinfected after being introduced into the vacuum cavity 1; the supporting plate 5 is arranged in the vacuum cavity 1, is positioned above the preheating plate 2 and is used for placing drying instruments; and the fog spray head 6 is arranged on the supporting plate 5, and the fog spray head 6 is connected with the negative pressure cavity 3 through a pipe fitting and is used for disinfecting instruments and cooling and pressurizing the vacuum cavity 1.
Further, 1 both ends of vacuum chamber all are provided with places entry 11, it is provided with sealing door 12 to place entry 11, sealing door 12 inboard is provided with joint strip 13, sealing door 12 middle part is provided with observation glass 14, be used for the inside condition of real-time observation vacuum chamber 1, utilize design observation glass 14 on the sealing door 12, can the condition in the vacuum chamber 1 of real-time observation, and sealing door 12 and the joint strip 13 of placing setting between the entry 11 adopt heterotypic sealing strip, utilize the good sealed effect of heterotypic sealing strip, when being the negative pressure in the vacuum chamber 1, joint strip 13 is adsorbed at the flange face of vacuum chamber 1, it is higher to realize negative pressure strength, it is tighter to adsorb, sealed effect is better.
Further, the vacuum system comprises an external vacuum pump, one side of the side surface of the vacuum cavity 1 is provided with a vacuumizing joint 15 connected with the external vacuum pump, an air pressure detection probe 16 is arranged above the vacuum cavity 1 and used for detecting the pressure inside the vacuum cavity 1 in real time, the middle of the side surface of the vacuum cavity 1 is provided with a plurality of temperature control probes 17, the vacuum cavity 1 is connected with the external vacuum pump by using the vacuumizing joint 15, negative pressure treatment is carried out on the vacuum cavity 1, the vacuum cavity 1 is in a negative pressure vacuum state, vacuum drying treatment of the medical instrument is realized, in the negative pressure vacuum state, the air pressure detection probe 16 detects the pressure inside the vacuum cavity 1, the vacuum cavity 1 is always in a relative vacuum state to meet vacuum drying, real-time temperature monitoring is carried out on the vacuum cavity 1 through the temperature control probes 17, damage of the medical instrument due to overhigh temperature is avoided, the external vacuum pump adopts a two-stage pump set structure, pressure in the cavity can be quickly reduced, the ultimate vacuum degree can be increased, the drying speed of the article is accelerated, in addition, an air breaking valve is further arranged on the side surface of the vacuum cavity 1, and after the medical instrument is dried, pressurization is carried out on the vacuum cavity 1.
Further, a partition plate 21 is arranged at the bottom of the preheating plate 2, a heating pipe 22 is fixedly arranged below the partition plate 21, the end of the heating pipe 22 extends out of the partition plate 21 and is connected with a heat source connector 23, the heating pipe 22 is used for heating the preheating plate 2, the preheating plate 2 is made of a heat insulation material, preheating is achieved in the vacuum cavity 1 after the preheating plate 2 is heated, a certain temperature is kept, and each layer of preheating plate 2 is independently heated and matched with the independent temperature control probe 17 for temperature control, so that the consistency of each layer of temperature is ensured.
Further, the supporting plate 5 is erected above the preheating plate 2, the supporting rod 51 is arranged above the supporting plate 5, the instrument basket 52 is placed above the supporting rod 51, the mist spray heads 6 are connected to the supporting plate 5 below the supporting rod 51 in a clamping mode, the mist spray heads 6 are arranged towards the instrument basket 52, and the supporting rod 51 arranged above the supporting plate 5 enables the instrument basket 52 with the medical instruments to be in an empty state when the instrument basket 52 is placed on the supporting plate 5, so that the mist spray heads 6 can effectively and uniformly spray disinfection mist on the medical instruments.
Furthermore, the negative pressure cavity 3 is connected with the mist nozzle 6 through the connecting pipeline 31, the side surface of the vacuum cavity 1 is provided with a negative pressure air inlet valve 32, the negative pressure air inlet valve 32 is positioned in the middle of the connecting pipeline 31 to realize intermittent low-pressure low-temperature air introduction to the vacuum cavity 1, one side of the negative pressure cavity 3 is connected with an external vacuum pump through a vacuumizing connector 15, the internal of the negative pressure cavity 3 is pumped by the external vacuum pump to realize that the internal of the negative pressure cavity 3 is in a negative pressure state, and then when the medical instrument is dried in the vacuum cavity 1 for a period of time and needs to be disinfected, the negative pressure air inlet valve 32 is opened to ensure that disinfectant mist in the negative pressure cavity 3 passes through the mist nozzle 6, is sprayed into the lower-pressure vacuum cavity 1 by the higher-pressure cavity 3 and is sprayed onto the medical instrument in the instrument basket 52 to realize disinfection of the medical instrument.
Further, disinfection box 4 is inside to be equipped with the antiseptic solution, and disinfection box 4 is connected with negative pressure cavity 3 through electric valve for the quantity of control antiseptic solution, utilizes disinfection box 4 inside to be equipped with the antiseptic solution, preferably uses alcohol, utilizes the high volatility of alcohol, after making alcohol pass through in the negative pressure cavity 3 of low pressure through electric valve control, volatilizees fast under the low pressure effect, forms alcohol steam, and rethread negative pressure admission valve 32 passes through alcohol steam in vacuum cavity 1, disinfects medical instrument.
The working principle is as follows: when the vacuum preheating device is used, a power supply is firstly switched on, then the preheating plate 2 is heated through the heating pipe 22, the preheating plate 2 is made of a heat-insulating material, the preheating is achieved in the vacuum cavity 1 after the preheating plate 2 is heated, a certain temperature is kept, each layer of preheating plate 2 is independently heated and matched with the independent temperature control probe 17 to control the temperature, and the consistency of the temperature of each layer is ensured.
Then vacuum cavity 1 and negative pressure cavity 3 are communicated with a vacuum system through a vacuumizing connector 15 respectively, medical equipment which needs to be dried after cleaning is dried, and the placing inlet 11 is sealed through a sealing door 12, a glass 14 is designed and observed on the sealing door 12 during drying, the condition in the vacuum cavity 1 can be observed in real time, a sealing rubber strip 13 arranged between the sealing door 12 and the placing inlet 11 adopts a special-shaped sealing strip, the good sealing effect of the special-shaped sealing strip is utilized, when the vacuum cavity 1 is internally provided with negative pressure, the sealing rubber strip 13 is adsorbed on the flange surface of the vacuum cavity 1, the higher the negative pressure strength is, the tighter the adsorption is, and the better the sealing effect is.
Vacuum negative pressure treatment is carried out on the vacuum cavity 1 through a vacuum system, vacuum negative pressure is achieved inside the vacuum cavity 1, the vacuum cavity 1 is connected with an external vacuum pump through a vacuumizing connector 15, negative pressure treatment is carried out on the vacuum cavity 1, the vacuum cavity 1 is in a negative pressure vacuum state, vacuum drying treatment of medical instruments is achieved, under the negative pressure vacuum state, the pressure detection probe 16 detects the pressure inside the vacuum cavity 1, the vacuum cavity 1 is always in a relative vacuum state to meet vacuum drying, real-time temperature monitoring is carried out on the vacuum cavity 1 through the temperature control probe 17, damage to the medical instruments due to overhigh temperature is avoided, water on the medical instruments is reduced in the vacuum negative pressure state, the boiling point of the water is reduced, under the action of the temperature provided by the preheating plate 2, water on the medical instruments is rapidly boiled and evaporated, and vacuum drying is achieved.
Meanwhile, an external vacuum pump is used for pumping air from the inside of the negative pressure cavity 3 to enable the inside of the negative pressure cavity 3 to be in a negative pressure state, then a quantitative alcohol disinfectant is led into the negative pressure cavity 3 through an electric valve, the high volatility of alcohol is utilized, the alcohol is led into the low pressure negative pressure cavity 3 through the electric valve, the alcohol is quickly volatilized under the action of low pressure, alcohol steam is formed in the negative pressure cavity 3, when medical instruments need to be disinfected, a negative pressure air inlet valve 32 is opened, disinfectant mist in the negative pressure cavity 3 is sprayed into the lower pressure vacuum cavity 1 through a mist spray head 6 and sprayed onto the medical instruments in an instrument basket 52, the negative pressure air inlet valve 32 is closed, the communication between the negative pressure cavity 3 and the vacuum cavity 1 is disconnected, an air breaking valve is opened, the vacuum cavity 1 is subjected to primary pressure release, the pressure in the vacuum cavity 1 is increased, and the steam-shaped alcohol in the low pressure state begins to be liquefied and attached to the inside of the vacuum cavity 1, and the disinfection of the medical instruments and the vacuum cavity 1 is achieved;
and then starting the vacuum system again to carry out vacuum negative pressure treatment on the interior of the vacuum cavity 1, and carrying out secondary drying on the sterilized alcohol on the sterilized medical instrument.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (3)

1. The utility model provides a quick low temperature vacuum drying's equipment, includes vacuum cavity (1), vacuum cavity (1) outside is provided with vacuum system and control system, its characterized in that: a preheating plate (2) is arranged in the vacuum cavity (1), and the preheating plate (2) is used for carrying out heat treatment on the vacuum cavity (1); the supporting plate (5) is arranged in the vacuum cavity (1), is positioned above the preheating plate (2) and is used for placing drying instruments; a partition plate (21) is arranged at the bottom of the preheating plate (2), a heating pipe (22) is fixedly arranged below the partition plate (21), and the end part of the heating pipe (22) extends out of the partition plate (21) and is connected with a heat source joint (23);
a negative pressure cavity (3), a disinfection box (4) and a mist nozzle (6) are also arranged outside the vacuum cavity (1); the negative pressure cavity (3) is used for releasing pressure of the vacuum cavity (1) to prevent an instrument with low heat-sensitive performance from being damaged by heating in a low-pressure state, and the negative pressure cavity (3) is also connected with a vacuum system; the disinfection box (4) is arranged above the negative pressure cavity (3), and the disinfection box (4) is connected with the negative pressure cavity (3) to enable disinfectant to form a steam state in the negative pressure cavity (3) and disinfect instruments after being introduced into the vacuum cavity (1); the fog spray head (6) is arranged on the supporting plate (5), and the fog spray head (6) is connected with the negative pressure cavity (3) through a pipe fitting and is used for disinfecting instruments and cooling and pressurizing the vacuum cavity (1);
the vacuum system comprises an external vacuum pump, one side of the side surface of the vacuum cavity (1) is provided with a vacuumizing joint (15) which is connected with the external vacuum pump, an air pressure detection probe (16) is arranged above the vacuum cavity (1) and used for detecting the pressure inside the vacuum cavity (1) in real time, and the middle of the side surface of the vacuum cavity (1) is provided with a plurality of temperature control probes (17);
the supporting plate (5) is erected above the preheating plate (2), a supporting rod (51) is arranged above the supporting plate (5), an instrument basket (52) is placed above the supporting rod (51), the mist spray head (6) is clamped on the supporting plate (5) below the supporting rod (51), and the mist spray head (6) faces the instrument basket (52);
the negative pressure cavity (3) is connected with the mist spray head (6) through a connecting pipeline (31), a negative pressure air inlet valve (32) is arranged on the side surface of the vacuum cavity (1), the negative pressure air inlet valve (32) is positioned in the middle of the connecting pipeline (31) to realize intermittent low-pressure low-temperature air introduction into the vacuum cavity (1), and one side of the negative pressure cavity (3) is connected with an external vacuum pump through the vacuumizing connector (15); the side surface of the vacuum cavity (1) is also provided with an air breaking valve.
2. The apparatus for rapid low-temperature vacuum drying according to claim 1, wherein: vacuum cavity (1) both ends all are provided with places entry (11), it is provided with sealing door (12) to place entry (11), sealing door (12) inboard is provided with joint strip (13), sealing door (12) middle part is provided with observation glass (14) for observe vacuum cavity (1) inside condition in real time.
3. The rapid low-temperature vacuum drying apparatus according to claim 1, wherein: the disinfection box (4) is internally provided with a disinfectant, and the disinfection box (4) is connected with the negative pressure cavity (3) through an electric valve and used for controlling the dosage of the disinfectant.
CN202110837791.3A 2021-07-23 2021-07-23 Quick low temperature vacuum drying's equipment Active CN114061266B (en)

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CN115227852B (en) * 2022-06-06 2023-12-15 青岛海尔生物医疗股份有限公司 Sterilizing machine

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US7608218B2 (en) * 2002-06-28 2009-10-27 Ethicon, Inc. Sterilization with flow through container
US20050042130A1 (en) * 2003-08-22 2005-02-24 Szu-Min Lin Mist sterilization system
JP6444116B2 (en) * 2014-09-26 2018-12-26 株式会社クリマ Kitchen knife drying sterilizer
CN209726650U (en) * 2018-12-10 2019-12-03 佛山市浩雄泵业有限公司 A kind of vacuum tank

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