CN215983572U

CN215983572U - Drying system of vertical steam sterilizer

Info

Publication number: CN215983572U
Application number: CN202121340162.1U
Authority: CN
Inventors: 茅陈旭
Original assignee: Shanghai Boxun Medical Biological Instrument Corp
Current assignee: Shanghai Boxun Medical Biological Instrument Corp
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2022-03-08
Anticipated expiration: 2031-06-16

Abstract

The utility model discloses a drying system of a vertical steam sterilizer, which relates to the field of drying inside a steam sterilizer and comprises a sterilization chamber, wherein an electric heater is fixedly arranged on the inner side wall of the sterilization chamber, a vacuum device is arranged above the side surface of the sterilization chamber, an air inlet device is arranged below the side surface of the sterilization chamber, the vacuum device comprises an air guide block, an exhaust electromagnetic valve, a condenser, an air source processor and a vacuum pump, the air guide block is fixedly arranged at the top of an inner cavity of the sterilization chamber, the exhaust electromagnetic valve, the condenser, the air source processor and the vacuum pump are sequentially connected through pipelines, and the air outlet end of the air guide block is fixedly connected with the air inlet end of the exhaust electromagnetic valve. According to the utility model, the vacuum device carries out vacuum operation on the sterilization chamber surrounding the electric heater through the pipeline, so that a vacuum state is formed in the sterilization chamber, the drying efficiency and the drying effect are improved, articles in the sterilization chamber are cooled by air cooling in a fresh air exchange mode, and the problem of condensate water on the rear surface of the sterilization chamber after the articles are taken out is solved.

Description

Drying system of vertical steam sterilizer

Technical Field

The utility model relates to the field of drying inside a steam sterilizer, in particular to a drying system of a vertical steam sterilizer.

Background

The steam sterilizer utilizes the characteristics of high temperature and high humidity of saturated water vapor in a high-temperature and high-pressure state to promote the microbial protein of pollutants on the surface of a sterilized article to be denatured and solidified so as not to be restored, thereby achieving the aim of sterilization. The sterilized articles contain more water due to the influence of high-temperature steam and have certain residual temperature. If the sterilized article is directly taken out and exposed to an unclean environment, secondary pollution may occur due to condensed water on the surface of the sterilized article.

The problem that an existing steam sterilizer is inconvenient to rapidly dry and cool internal articles is solved, and therefore a drying system of a vertical steam sterilizer is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a drying system of a vertical steam sterilizer, which can effectively solve the problem that the existing steam sterilizer in the background art is inconvenient to rapidly dry and cool internal articles.

In order to achieve the purpose, the utility model adopts the technical scheme that: a drying system of a vertical steam sterilizer comprises a sterilization chamber, wherein an electric heater is fixedly installed on the inner side wall of the sterilization chamber, a vacuum device is arranged above the side surface of the sterilization chamber, and an air inlet device is arranged below the side surface of the sterilization chamber; electric heater in this embodiment belongs to prior art, and through heating power supply heating, electric heater is convenient for heat the stoving with the indoor article of disinfecting, and the indoor portion of disinfecting is provided with the heat preservation, is convenient for play the heat preservation effect to the indoor portion of disinfecting.

The vacuum device comprises an air guide block, an exhaust electromagnetic valve, a condenser, an air source processor and a vacuum pump, wherein the air guide block is fixedly arranged at the top of an inner cavity of a sterilization chamber, the exhaust electromagnetic valve, the condenser, the air source processor and the vacuum pump are sequentially connected through a pipeline, the air outlet end of the air guide block is fixedly connected with the air inlet end of the exhaust electromagnetic valve, the middle of the bottom of the air guide block is recessed inwards, an air inlet hole is formed in the recessed part of the bottom of the air guide block inwards, a water outlet hole is formed in the edge of the bottom of the air guide block, an air chamber communicated with the air inlet hole and the water outlet hole is formed in the air guide block, and the air inlet end of the exhaust electromagnetic valve is connected to the inside of the air chamber through a pipeline; after the exhaust electromagnetic valve is opened, the exhaust electromagnetic valve is convenient for discharging saturated steam after sterilization in the sterilization chamber and discharging air in the sterilization chamber in the vacuum drying process, the condenser on the pipeline is used for condensing and removing steam in the sterilization chamber and cooling the air, so that the damage of high temperature to the subsequent parts of the vacuum device is avoided, the gas source processor is convenient for separating the gas pumped out from the sterilization chamber, the subsequent vacuum pump is protected from being polluted and damaged by impurities, the vacuum pump is connected with the sterilization chamber through the pipeline to carry out vacuum operation on the sterilization chamber, a vacuum environment is provided for realizing vacuum drying in the sterilization chamber, during vacuum operation of the vacuum pump, the air inlet hole is convenient for uniformly guiding the steam in the sterilization chamber into the air guide block and discharging the steam out of the sterilization chamber, the removal efficiency of the steam is convenient to improve, meanwhile, the steam is convenient for gathering and liquefying in the air inlet hole when passing through the air inlet hole, and the steam drips after being liquefied, the partial moisture in the steam is convenient to remove, so that the moisture in the condenser is reduced, the load of the condenser is convenient to reduce, and the energy consumption is reduced. The water outlet hole is convenient for discharging the liquefied moisture in the air chamber.

Air inlet unit includes air cleaner, air inlet solenoid valve and intake pipe, intake pipe fixed mounting is at the inner chamber lower extreme of sterilization room, the inlet end of intake pipe and the fixed connection of giving vent to anger of air inlet solenoid valve, the inlet end of air inlet solenoid valve and air cleaner's the fixed connection of giving vent to anger, air cleaner and air inlet solenoid valve all are located the outside of sterilization room, the venthole has been seted up to the bottom of intake pipe. The air inlet electromagnetic valve is convenient for carry out pressure balance to the sterilization chamber of vacuum state, and its air cleaner who connects is convenient for filter the outside air of balanced pressure, avoids the air that supplyes to cause the pollution to the article that have sterilized, and the intake pipe is convenient for distribute evenly in the sterilization chamber when making the ambient gas get into the sterilization chamber for steam evenly rises in the sterilization chamber, is convenient for further improve the efficiency of getting rid of steam.

Preferably, the air outlet end of the exhaust electromagnetic valve is fixedly connected to the air inlet end of the condenser, the air outlet end of the condenser is fixedly connected to the air inlet end of the air source processor, the air outlet end of the air source processor is fixedly connected to the air inlet end of the vacuum pump, and the exhaust electromagnetic valve, the condenser, the air source processor and the vacuum pump are located outside the sterilizing chamber. The vacuum device is convenient to be installed on the whole sterilization chamber.

Preferably, a vacuum solenoid valve is fixedly installed between the condenser and the air source processor, an air outlet end of the condenser is fixedly connected to an air inlet end of the vacuum solenoid valve, and an air outlet end of the vacuum solenoid valve is fixedly connected to an air inlet end of the air source processor. The vacuum solenoid valve is convenient for assisting the starting of the oil-free vacuum pump.

Preferably, the bottom inwards concave part of the air guide block is of a hemispherical structure. The water drops which are convenient to liquefy the hole wall of the air inlet hole can be conveniently dropped from the bottom edge of the air guide block, and the water is prevented from dropping on dry articles.

Preferably, the air chamber is of an integral hemispherical structure. The liquefied water drops in the air chamber can conveniently drop from the bottom edge of the air guide block, and the moisture is prevented from passing through the air inlet and falling on a dry article.

Preferably, the air inlet pipe is of an annular structure. So that the outside air can uniformly enter the sterilization chamber.

Preferably, the air inlet holes are uniformly distributed at intervals on the bottom hemispherical surface of the air guide block, the water outlet holes are uniformly distributed at intervals on the bottom edge of the air guide block, and the air outlet holes are uniformly distributed at intervals on the bottom of the air inlet pipe.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the vacuum device carries out vacuum operation on the sterilization chamber surrounding the electric heater through the pipeline, so that a vacuum state is formed in the sterilization chamber, and the drying efficiency and effect are improved. The moisture in the sterilization chamber is better removed, and the purpose of adjusting the temperature of the sterilized articles is achieved; after the drying is finished, the pressure balancing device is started through the control system to carry out pressure balancing on the sterilization chamber and precooling on the sterilization chamber before the sterilizer is opened. The articles in the sterilizing chamber are cooled by air cooling in a fresh air ventilation mode, so that the problem that the articles take out the condensed water on the rear surface of the sterilizing chamber is solved conveniently.

Drawings

FIG. 1 is a front cross-sectional view of a drying system of a vertical steam sterilizer of the present invention;

FIG. 2 is an enlarged view at A of FIG. 1 of a drying system of a vertical steam sterilizer of the present invention;

FIG. 3 is a perspective view of an air guide block and a structure arranged thereon of the drying system of the vertical steam sterilizer of the present invention;

FIG. 4 is a bottom view of the air guide block and the structure disposed thereon of the drying system of the vertical steam sterilizer of the present invention;

FIG. 5 is a perspective view of the air inlet tube and the structure thereof of the drying system of the vertical steam sterilizer of the present invention.

In the figure: 1. a sterilization chamber; 2. an electric heater; 3. a gas guide block; 4. an exhaust solenoid valve; 5. a condenser; 7. an air source processor; 8. a vacuum pump; 9. an air inlet; 10. a water outlet hole; 11. an air filter; 12. an air inlet solenoid valve; 13. an air inlet pipe; 14. a vacuum solenoid valve; 15. an air outlet; 16. an air chamber.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention is a drying system of a vertical steam sterilizer, including a sterilization chamber 1, an electric heater 2 is fixedly installed on the inner side wall of the sterilization chamber 1, a vacuum device is arranged above the side surface of the sterilization chamber 1, and an air inlet device is arranged below the side surface of the sterilization chamber 1; the 2 models of electric heater are DN40 in this embodiment, belong to prior art, and through the heating of heating power supply, electric heater 2 is convenient for heat the stoving with article in the

sterilization room

1, and 1 inside heat preservation that is provided with of sterilization room is convenient for play the heat preservation effect to sterilization room 1 inside.

The vacuum device comprises an air guide block 3, an exhaust electromagnetic valve 4, a condenser 5, an air source processor 7 and a vacuum pump 8, wherein the air guide block 3 is fixedly arranged at the top of an inner cavity of the sterilization chamber 1, the exhaust electromagnetic valve 4, the condenser 5, the air source processor 7 and the vacuum pump 8 are sequentially connected through a pipeline, the air outlet end of the air guide block 3 is fixedly connected with the air inlet end of the exhaust electromagnetic valve 4, the middle of the bottom of the air guide block 3 is recessed inwards, an air inlet hole 9 is formed in the inwardly recessed part of the bottom of the air guide block 3, a water outlet hole 10 is formed in the edge of the bottom of the air guide block 3, an air chamber 16 communicated with the air inlet hole 9 and the water outlet hole 10 is formed in the air guide block 3, and the air inlet end of the exhaust electromagnetic valve 4 is connected with the inside of the air chamber 16 through a pipeline; after the exhaust electromagnetic valve 4 is opened, the exhaust of saturated steam after sterilization in the sterilization chamber 1 and the removal of air in the sterilization chamber 1 in the vacuum drying process are facilitated, the condenser 5 on the pipeline is used for condensation removal of steam in the sterilization chamber 1 and cooling of air, damage to subsequent components of a vacuum device caused by high temperature is avoided, the gas source processor 7 is convenient for separation operation of gas pumped out of the sterilization chamber 1, the subsequent vacuum pump 8 is protected from being polluted and damaged by impurities, the vacuum pump 8 is connected with the sterilization chamber 1 through the pipeline for vacuum operation, a vacuum environment is provided for vacuum drying in the sterilization chamber 1, when the vacuum pump 8 is in vacuum operation, the air inlet 9 is convenient for uniformly guiding steam in the sterilization chamber 1 into the air guide block 3 and discharging the steam out of the sterilization chamber 1, the removal efficiency of the steam is convenient to improve, and meanwhile, when the steam passes through the air inlet 9, the steam is convenient for gathering and liquefying in the hole wall of the air inlet 9, the steam drips after liquefaction, is convenient for get rid of partial moisture in the steam for through the moisture reduction in the condenser 5, be convenient for reduce the load of condenser 5, and then reduce the energy consumption. The water outlet hole 10 facilitates the discharge of the moisture liquefied in the air chamber 16.

Air inlet unit includes air cleaner 11, air inlet solenoid valve 12 and intake pipe 13, intake pipe 13 fixed mounting is at the inner chamber lower extreme of sterilization room 1, the inlet end of intake pipe 13 and the fixed connection of giving vent to anger of air inlet solenoid valve 12, the inlet end of air inlet solenoid valve 12 and air cleaner 11's the fixed connection of giving vent to anger, air cleaner 11 and air inlet solenoid valve 12 all are located sterilization room 1's outside, venthole 15 has been seted up to the bottom of intake pipe 13. The air inlet electromagnetic valve 12 is convenient for carrying out pressure balance on the sterilization chamber 1 in a vacuum state, the connected air filter 11 is convenient for filtering the external air with balanced pressure, the sterilized articles are prevented from being polluted by the supplemented air, and the air inlet pipe 13 is convenient for enabling the external air to be uniformly distributed in the sterilization chamber 1 when entering the sterilization chamber 1, so that the steam in the sterilization chamber 1 uniformly rises, and the removal efficiency of the steam is further improved.

The air outlet end of the exhaust electromagnetic valve 4 is fixedly connected with the air inlet end of the condenser 5, the air outlet end of the condenser 5 is fixedly connected with the air inlet end of the air source processor 7, the air outlet end of the air source processor 7 is fixedly connected with the air inlet end of the vacuum pump 8, and the exhaust electromagnetic valve 4, the condenser 5, the air source processor 7 and the vacuum pump 8 are all located outside the sterilizing chamber 1. Facilitating the mounting of the vacuum device on the whole sterilization chamber 1.

A vacuum solenoid valve 14 is fixedly arranged between the condenser 5 and the air source processor 7, the air outlet end of the condenser 5 is fixedly connected to the air inlet end of the vacuum solenoid valve 14, and the air outlet end of the vacuum solenoid valve 14 is fixedly connected to the air inlet end of the air source processor 7. The vacuum solenoid valve 14 facilitates the start-up of the auxiliary vacuum pump 8.

The bottom inwards concave part of the air guide block 3 is of a hemispherical structure. The water drops which are convenient to liquefy the hole wall of the air inlet hole 9 are convenient to drop from the bottom edge of the air guide block 3, and the water is prevented from dropping on dry articles.

The air chamber 16 has an overall hemispherical structure. The liquefied water drops in the air chamber 16 can be conveniently dropped from the bottom edge of the air guide block 3, and the moisture is prevented from falling on the dried object through the air inlet hole 9.

The inlet pipe 13 is of annular configuration. So that the outside air is uniformly introduced into the inside of the sterilizing chamber 1.

The air inlet holes 9 are uniformly distributed at intervals on the bottom hemispherical surface of the air guide block 3, the water outlet holes 10 are uniformly distributed at intervals on the bottom edge of the air guide block 3, and the air outlet holes 15 are uniformly distributed at intervals on the bottom of the air inlet pipe 13.

The working principle of the utility model is as follows:

referring to fig. 1-5, the present invention is a drying system of a vertical steam sterilizer, which is operated by a vacuum device comprising an oilless vacuum pump 8, an air source processor 7, a vacuum solenoid valve 14, and a condenser 5, and by an exhaust solenoid valve 4, a vacuum environment favorable for drying is achieved in a vacuum operation of a sterilization chamber 1. At this time, drying of the articles in the sterilizing chamber 1 is started by activating the electric heater 2. After a certain time, the control system opens the inlet solenoid valve 12 and introduces the clean air purified by the air filter 11 into the sterilization chamber 1. After the pressure in the sterilization chamber 1 is balanced, the vacuum device is started again, and the steps are repeated to carry out pulsating vacuum drying. After the drying is completed, the sterilization chamber 1 in a vacuum state is pressure-balanced by a pressure balancing device composed of an air inlet electromagnetic valve 12 and an air filter 11, and the sterilization chamber 1 is pre-cooled by introduced clean room temperature air in the process. And then, gradually reducing the heating temperature of the electric heater 2 around the sterilization chamber 1, starting the vacuum device and simultaneously opening the air inlet electromagnetic valve 12 to form air circulation, so as to achieve the purpose of fresh air ventilation, thereby effectively solving the problem of surface condensate water of the sterilized articles caused by temperature difference, and finally realizing opening the door to take out the dried sterilized articles without obvious temperature difference with the outside.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a drying system of vertical steam sterilizer which characterized in that: the sterilization device comprises a sterilization chamber (1), wherein an electric heater (2) is fixedly installed on the inner side wall of the sterilization chamber (1), a vacuum device is arranged above the side surface of the sterilization chamber (1), and an air inlet device is arranged below the side surface of the sterilization chamber (1);

the vacuum device comprises an air guide block (3), an exhaust electromagnetic valve (4), a condenser (5), an air source processor (7) and a vacuum pump (8), the air guide block (3) is fixedly arranged at the top of the inner cavity of the sterilization chamber (1), the exhaust electromagnetic valve (4), the condenser (5), the air source processor (7) and the vacuum pump (8) are sequentially connected through pipelines, the air outlet end of the air guide block (3) is fixedly connected with the air inlet end of the exhaust electromagnetic valve (4), the middle of the bottom of the air guide block (3) is recessed inwards, an air inlet hole (9) is arranged at the recessed part of the bottom of the air guide block (3), the bottom edge of the air guide block (3) is provided with a water outlet hole (10), the air guide block (3) is internally provided with an air chamber (16) communicated with the air inlet hole (9) and the water outlet hole (10), the air inlet end of the exhaust electromagnetic valve (4) is connected to the inside of the air chamber (16) through a pipeline;

air inlet unit includes air cleaner (11), air inlet solenoid valve (12) and intake pipe (13), intake pipe (13) fixed mounting is at the inner chamber lower extreme of sterilization room (1), the inlet end of intake pipe (13) and the fixed connection of giving vent to anger of air inlet solenoid valve (12), the inlet end of air inlet solenoid valve (12) and the fixed connection of giving vent to anger of air cleaner (11), air cleaner (11) and air inlet solenoid valve (12) all are located the outside of sterilization room (1), venthole (15) have been seted up to the bottom of intake pipe (13).

2. The drying system of a vertical steam sterilizer of claim 1, wherein: the air outlet end of the exhaust electromagnetic valve (4) is fixedly connected with the air inlet end of the condenser (5), the air outlet end of the condenser (5) is fixedly connected with the air inlet end of the air source processor (7), the air outlet end of the air source processor (7) is fixedly connected with the air inlet end of the vacuum pump (8), and the exhaust electromagnetic valve (4), the condenser (5), the air source processor (7) and the vacuum pump (8) are all located outside the sterilization chamber (1).

3. The drying system of a vertical steam sterilizer of claim 2, wherein: a vacuum solenoid valve (14) is fixedly installed between the condenser (5) and the air source processor (7), the air outlet end of the condenser (5) is fixedly connected to the air inlet end of the vacuum solenoid valve (14), and the air outlet end of the vacuum solenoid valve (14) is fixedly connected to the air inlet end of the air source processor (7).

4. The drying system of a vertical steam sterilizer of claim 1, wherein: the bottom inward concave part of the air guide block (3) is of a hemispherical structure.

5. The drying system of a vertical steam sterilizer of claim 4, wherein: the air chamber (16) is of an integral hemispherical structure.

6. The drying system of a vertical steam sterilizer of claim 4, wherein: the air inlet pipe (13) is of an annular structure.

7. The drying system of a vertical steam sterilizer of claim 6, wherein: the air inlet holes (9) are uniformly distributed at intervals on the bottom hemispherical surface of the air guide block (3), the water outlet holes (10) are uniformly distributed at intervals on the bottom edge of the air guide block (3), and the air outlet holes (15) are uniformly distributed at intervals on the bottom of the air inlet pipe (13).