CN217472423U

CN217472423U - Aseptic discharge pulsation vacuum vertical sterilization system

Info

Publication number: CN217472423U
Application number: CN202220727310.3U
Authority: CN
Inventors: 王文强; 刘红超; 张英侠; 魏杰; 翟明哲
Original assignee: Shinva Medical Instrument Co Ltd
Current assignee: Shinva Medical Instrument Co Ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-09-23
Anticipated expiration: 2032-03-30

Abstract

The utility model discloses a vertical sterilization system of aseptic discharge pulsation vacuum, include: the sterilization cavity, the evaporimeter system, filtration system, condensing system, vacuum system, water injection system and control system, the water injection system with evaporimeter headtotail, the evaporimeter system with filtration system all with the sterilization cavity is connected, filtration system includes filter equipment, is used for detecting the temperature sensor of temperature in the sterilization cavity and is used for detecting the first pressure sensor of sterilization cavity internal pressure, the evaporimeter headtotail includes the evaporimeter, is used for detecting the level sensor of evaporimeter water level and is used for detecting the second pressure sensor of evaporimeter pressure. Steam is introduced into the sterilization cavity through the evaporator system so as to thoroughly discharge cold air in the sterilization cavity, and the steam discharged from the sterilization cavity can be filtered by the filter system, so that the gas discharge with bacteria and viruses is avoided.

Description

Aseptic discharge pulsation vacuum vertical sterilization system

Technical Field

The utility model relates to the technical field of medical equipment, more specifically say, relate to a vertical sterilization system of aseptic discharge pulsation vacuum.

Background

The vertical sterilizer belongs to the most commonly used sterilizer for treating medical wastes in institutions such as hospital clinical laboratory, disease control center, biological laboratory and the like, but the common vertical sterilizer can sterilize the medical wastes, but because the common vertical sterilizer does not have the function of pulsating vacuum, the cold air in the sterilization cavity is not completely discharged, so that the sterilization effect is poor, and meanwhile, some gases with bacteria and viruses are generated in the treatment process and are discharged outside the sterilizer, so that the risk of spreading diseases is high.

In summary, the problem that the existing sterilizer has poor sterilization effect and the gas with bacteria and viruses is discharged to the sterilizer is to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a vertical sterilization system with pulsating vacuum and aseptic discharge, which has a strong sterilization effect, and the discharged gas is a filtered clean gas, and is aseptic and virus-discharged.

In order to achieve the above object, the present invention provides the following technical solutions:

an aseptic discharge pulsating vacuum vertical sterilization system, comprising: a sterilization cavity, an evaporator system, a filtering system, a condensing system, a vacuum system, a water injection system and a control system, the water injection system is connected with the evaporator system, the evaporator system and the filtering system are both connected with the sterilizing cavity, the filtering system comprises a filtering device, a temperature sensor for detecting the temperature in the sterilizing cavity and a first pressure sensor for detecting the pressure in the sterilizing cavity, the evaporator system comprises an evaporator, a water level sensor for detecting the water level of the evaporator and a second pressure sensor for detecting the pressure of the evaporator, the filtering system and the vacuum system are all connected with the condensing system, and the evaporator system, the filtering system, the condensing system, the vacuum system and the water injection system are all in signal connection with the control system.

Preferably, the evaporator includes a body, a heating pipe and a safety valve, the heating pipe is disposed in the body, and the safety valve is disposed outside the body.

Preferably, the water injection system comprises a water injection pump and a water inlet electromagnetic valve, and the water inlet electromagnetic valve is arranged on the pipeline between the water injection pump and the device body.

Preferably, a pipeline between the sterilization cavity and the evaporator system is provided with an air inlet electromagnetic valve, and the air inlet electromagnetic valve is in signal connection with the control system.

Preferably, the filtering system comprises a filtering shell and a filter element arranged in the filtering shell, the filtering shell is provided with a steam inlet, a steam outlet and a water outlet, the steam inlet and the water outlet are respectively connected with the sterilization cavity through pipelines, and the steam outlet is connected with the condensing system.

Preferably, the water outlet is connected with the condensing system through a water drain pipe, and a water drain electromagnetic valve is arranged on the water drain pipe.

Preferably, a pipeline between the steam exhaust port and the condensing system is provided with a steam exhaust electromagnetic valve.

Preferably, the vacuum system comprises a vortex pump and an ejector connected with the vortex pump, and the ejector is connected with the condensation system through a pipeline.

Preferably, the sterilization chamber further comprises an air return system, wherein the air return system comprises an air return electromagnetic valve and an air return filter connected with the air return electromagnetic valve, and the air return electromagnetic valve is connected with the sterilization chamber.

The application provides a vertical sterilization system in aseptic discharge pulsation vacuum lets in steam through the evaporator system in to the sterilization cavity to thoroughly discharge the cold air in the cavity of will sterilizing, can filter by exhaust steam in the sterilization cavity through setting up filtration system, avoid taking the gas outgoing of fungus and virus, and can condense by filtration system exhaust steam through setting up condensing system, avoid outside the steam discharge system.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic diagram of a sterile discharge pulsating vacuum vertical sterilization system provided by the present invention.

In FIG. 1:

1-sterilization cavity, 1.1-heating film, 1.2-steam inlet electromagnetic valve, 1.3-water discharge electromagnetic valve, 1.4-air return electromagnetic valve, 1.5-air return filter, 2-cavity door cover, 3-evaporator system, 3.1-body, 3.2-heating pipe, 3.3-water level sensor, 3.4-second pressure sensor, 3.5-water injection pump, 3.6-water inlet electromagnetic valve, 4-vacuum system, 4.1-vortex pump, 4.2-ejector, 4.3-steam discharge electromagnetic valve, 5-filtering system, 5.1-filter shell, 5.2-filter core, 5.3-temperature sensor, 5.4-first pressure sensor, 6-condensation system and 7-control system.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The core of the utility model is to provide a vertical sterilization system of sterile discharge pulsation vacuum, this vertical sterilization system of sterile discharge pulsation vacuum sterilization effect is strong, the exhaust gas is the clean gas after filtering, aseptic and viral discharge.

Referring to fig. 1, an aseptic discharge pulsating vacuum vertical sterilization system includes: a sterilization cavity 1, an evaporator system 3, a filtering system 5, a condensing system 6, a vacuum system 4, a water injection system and a control system 7, the water injection system is connected with the evaporator system 3, the evaporator system 3 and the filtering system 5 are both connected with the sterilizing cavity 1, the filtering system 5 comprises a filtering device, a temperature sensor 5.3 for detecting the temperature in the sterilization cavity 1 and a first pressure sensor 5.4 for detecting the pressure in the sterilization cavity 1, the evaporator system 3 comprises an evaporator, a water level sensor 3.3 for detecting the evaporator water level and a second pressure sensor 3.4 for detecting the evaporator pressure, the filtering system 5 and the vacuum system 4 are connected with the condensing system 6, and the evaporator system 3, the filtering system 5, the condensing system 6, the vacuum system 4 and the water injection system are in signal connection with the control system 7.

Before the sterilization system is used, articles to be sterilized are placed in the loading basket, the loading basket is placed in the sterilization cavity 1, a support capable of containing the loading basket is arranged in the sterilization cavity 1, the cavity door cover 2 is closed, the water injection system is connected with an external water pipe, and normal supply of water sources is guaranteed.

After a system program is operated, the water injection system is controlled by the control system 7 to inject water into the evaporator system 3, when the water level sensor 3.3 in the evaporator system 3 simultaneously detects high and low water level signals, the signals are fed back to the control system 7, and the control system 7 controls the water injection system to stop water injection. After the water injection is finished, the control system 7 controls the evaporator to start heating, steam pressure continuously generated and accumulated in the evaporator continuously rises until the second pressure sensor 3.4 detects a set upper pressure limit, the second pressure sensor 3.4 feeds back a signal to the control system 7, and the control system 7 controls the evaporator to stop working after the feedback is obtained; when the pressure value detected by the second pressure sensor 3.4 is reduced to the lower pressure limit, the signal is fed back to the control system 7, the control system 7 controls the evaporator to heat after being fed back, and the steps are repeated, so that the pressure in the evaporator reaches the dynamic balance within a certain range.

When the second pressure sensor 3.4 in the evaporator system 3 detects the set upper pressure limit, the control system 7 controls the steam in the evaporator system 3 to start entering the sterilization chamber 1, and at the same time, the cold air in the sterilization chamber 1 is discharged, the gas discharged from the sterilization chamber 1 firstly enters the filter system 5 and then enters the condensation system 6, and at the same time, the cooling water in the filter system 5 returns to the sterilization chamber 1, so that the cold air in the sterilization chamber 1 can be discharged in the process.

After the cold air in the sterilization cavity 1 is exhausted, the control system 7 controls the vacuum system 4 to be started, and the sterilization cavity 1 is vacuumized; when the pressure in the sterilization cavity 1 reaches a certain negative pressure vacuum, the control system 7 controls the vacuum system 4 to be closed, and controls the evaporator system 3 to continuously feed steam into the sterilization cavity 1 until the temperature and the pressure of the steam in the sterilization cavity 1 detected by the temperature sensor 5.3 and the first pressure sensor 5.4 in the filtering system 5 reach the temperature and the pressure required by sterilization.

When the sterilization time is up, water and steam in the sterilization cavity 1 are all discharged into the condensing system 6 by using the pressure in the sterilization cavity 1, the steam entering the condensing system 6 is condensed into condensed water and then discharged out of the sterilization system, and the sterilization system is ensured to have no steam to be discharged outside.

When the steam in the sterilization cavity 1 is completely discharged, the control system 7 controls the vacuum system 4 to be started, the sterilization cavity 1 is vacuumized, when the pressure in the sterilization cavity 1 reaches a certain negative pressure vacuum, the vacuum negative pressure state in the sterilization cavity 1 is kept within a certain drying time, drying is started until the drying is finished, the whole sterilization process is finished, the cavity door cover 2 of the sterilization cavity 1 is opened, the loading basket is taken out, and the sterilization of the articles to be sterilized is finished.

The application provides a vertical sterilization system of aseptic discharge pulsation vacuum lets in steam in to sterilization cavity 1 through evaporator system 3 to thoroughly discharge the cold air in the sterilization cavity 1, can filter by exhaust steam in the sterilization cavity 1 through setting up filtration system 5, avoid taking the gas outgoing of fungus and virus, and can condense by filtration system 5 exhaust steam through setting up condensing system 6, avoid outside the steam discharge system.

In addition to the above embodiments, it is further preferable that the evaporator includes a body 3.1, a heating pipe 3.2, and a safety valve, the heating pipe 3.2 is disposed inside the body 3.1, and the safety valve is disposed outside the body 3.1. The heating pipe 3.2 is used for heating water in the vessel body 3.1 to generate steam, the temperature in the vessel body 3.1 is increased, high-temperature and high-pressure gas can be generated in the vessel body 3.1, and when the pressure and the temperature in the vessel body 3.1 are higher, the safety valve can be automatically opened to avoid explosion.

On the basis of the above embodiment, as a further preferred, the water injection system includes a water injection pump 3.5 and a water inlet solenoid valve 3.6, and the water inlet solenoid valve 3.6 is disposed in the pipeline between the water injection pump 3.5 and the body 3.1. The water injection pump 3.5 is used for generating pressure, and the water in the pipeline is pressurized and enters the vessel body 3.1, and the water inlet solenoid valve 3.6 can control the opening and closing of the pipeline, and when the water volume in the vessel body 3.1 reaches the preset water volume, the control system 7 controls the water injection pump 3.5 and the water inlet solenoid valve 3.6 to be closed, so that the water loss of the vessel body 3.1 is avoided.

On the basis of the above embodiment, as a further preferable option, a steam inlet electromagnetic valve 1.2 is arranged on a pipeline between the sterilization cavity 1 and the evaporator system 3, and the steam inlet electromagnetic valve 1.2 is in signal connection with the control system 7. The steam inlet electromagnetic valve 1.2 can control the opening and closing of a pipeline between the sterilization cavity 1 and the evaporator system 3, when steam needs to be input into the sterilization cavity 1, the steam inlet electromagnetic valve 1.2 is opened, and after the steam inlet is finished, the steam inlet electromagnetic valve 1.2 is closed so as to perform sterilization operation.

On the basis of the above embodiment, as a further preferred option, the filtering system 5 includes a filter housing 5.1 and a filter element 5.2 disposed in the filter housing 5.1, the filter housing 5.1 is provided with a steam inlet, a steam outlet and a water outlet, the steam inlet and the water outlet are respectively connected with the sterilization cavity 1 through a pipeline, and the steam outlet is connected with the condensing system 6. The sterilization steam discharged from the sterilization cavity 1 is filtered by the filter element 5.2 and then is converted into clean and sterile steam or water, the temperature of the steam is reduced after the steam enters the filter shell 5.1, and the water condensed by the steam is discharged into the sterilization cavity 1 through the water outlet. The gas in the filter shell 5.1 enters a condensing system 6 for further condensation, so that the discharged gas is clean gas.

In addition to the above embodiments, it is further preferable that the drain port is connected to the condensation system 6 through a drain pipe, and the drain pipe is provided with a drain solenoid valve 1.3. When the water in the sterilization cavity 1 and the filtering system 5 needs to be discharged, the water discharge electromagnetic valve 1.3 is opened to discharge the water in the sterilization cavity 1 and the filtering system 5 to the condensing system 6 for cooling and recycling.

On the basis of the above embodiment, as a further preferable mode, a steam exhaust electromagnetic valve 4.3 is arranged on a pipeline between the steam exhaust port and the condensing system 6. When the steam in the filtering system 5 needs to be exhausted, the steam exhaust electromagnetic valve 4.3 is opened, the water exhaust electromagnetic valve 1.3 is closed, and when the water in the filtering system 5 needs to be exhausted, the steam exhaust electromagnetic valve 4.3 is closed, and the water exhaust electromagnetic valve 1.3 is opened.

On the basis of the above embodiment, it is further preferable that the vacuum system 4 comprises a vortex pump 4.1 and an ejector 4.2 connected to the vortex pump 4.1, and the ejector 4.2 is connected to the condensation system 6 through a pipeline. The vortex pump 4.1 is used to generate a negative pressure, causing the gas in the condensation system 6 to be discharged through a line and ejected to the atmosphere through the ejector 4.2.

On the basis of the above embodiment, as a further preferable mode, the sterilization chamber further includes an air return system, the air return system includes an air return solenoid valve 1.4 and an air return filter 1.5 connected to the air return solenoid valve 1.4, and the air return solenoid valve 1.4 is connected to the sterilization chamber 1.

When all the steam in the sterilization cavity 1 is exhausted, the control system 7 controls an exhaust electromagnetic valve 4.3 and a vortex pump 4.1 in the vacuum system 4 to be opened, the sterilization cavity 1 is vacuumized, and the heating film 1.1 is controlled to start heating; when the pressure in the sterilization cavity 1 reaches a certain negative pressure vacuum, the control system 7 controls the steam exhaust electromagnetic valve 4.3 and the vortex pump 4.1 to be closed, the vacuum negative pressure state in the sterilization cavity 1 is kept within a certain drying time, drying is started until the drying is finished, the control system 7 controls the emptying electromagnetic valve 1.4 to be opened, the emptying filter 1.5 is used for filtering the gas entering the sterilization cavity 1, when the pressure in the sterilization cavity 1 is balanced to 0kpa, the whole sterilization process is finished, the cavity door cover 2 is opened, the loading basket is taken out, and the sterilization of the articles to be sterilized is finished.

In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The aseptic discharge pulsating vacuum vertical sterilization system provided by the utility model is described in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above description of the embodiments is only used to help understand the method and its core idea of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. An aseptic discharge pulsating vacuum vertical sterilization system, comprising: the sterilization device comprises a sterilization cavity (1), an evaporator system (3), a filtering system (5), a condensing system (6), a vacuum system (4), a water injection system and a control system (7), wherein the water injection system is connected with the evaporator system (3), the evaporator system (3) and the filtering system (5) are connected with the sterilization cavity (1), the filtering system (5) comprises a filtering device, a temperature sensor (5.3) used for detecting the temperature in the sterilization cavity (1) and a first pressure sensor (5.4) used for detecting the pressure in the sterilization cavity (1), the evaporator system (3) comprises an evaporator, a water level sensor (3.3) used for detecting the water level of the evaporator and a second pressure sensor (3.4) used for detecting the pressure of the evaporator, the filtering system (5) and the vacuum system (4) are connected with the condensing system (6), the evaporator system (3), the filtering system (5), the condensing system (6), the vacuum system (4) and the water injection system are in signal connection with the control system (7).

2. The aseptic discharge pulsating vacuum sterilization system according to claim 1, wherein the evaporator comprises a body (3.1), a heating tube (3.2) and a safety valve, the heating tube (3.2) being disposed inside the body (3.1), the safety valve being disposed outside the body (3.1).

3. The aseptic discharge pulsating vacuum vertical sterilization system according to claim 2, wherein the water injection system comprises a water injection pump (3.5) and a water inlet solenoid valve (3.6), the water inlet solenoid valve (3.6) being provided in a pipeline between the water injection pump (3.5) and the body (3.1).

4. The aseptic discharge pulsating vacuum vertical sterilization system according to claim 1, wherein a pipeline between the sterilization chamber (1) and the evaporator system (3) is provided with an air admission solenoid valve (1.2), and the air admission solenoid valve (1.2) is in signal connection with the control system (7).

5. The aseptic discharge pulsation vacuum vertical sterilization system according to claim 1, wherein the filtration system (5) comprises a filter housing (5.1) and a filter element (5.2) arranged in the filter housing (5.1), the filter housing (5.1) is provided with a steam inlet, a steam outlet and a water outlet, the steam inlet and the water outlet are respectively connected with the sterilization cavity (1) through pipelines, and the steam outlet is connected with the condensation system (6).

6. The aseptic discharge pulsating vacuum sterilization vertical system according to claim 5, wherein the water discharge port is connected with the condensation system (6) through a water discharge pipe, and a water discharge solenoid valve (1.3) is arranged on the water discharge pipe.

7. The aseptic discharge pulsating vacuum vertical sterilization system according to claim 6, wherein a steam discharge solenoid valve (4.3) is provided on a pipeline between the steam discharge port and the condensation system (6).

8. The aseptic discharge pulsating vacuum vertical sterilization system according to claim 1, wherein the vacuum system (4) comprises a vortex pump (4.1) and an ejector (4.2) connected to the vortex pump (4.1), the ejector (4.2) being connected to the condensation system (6) by a pipe.

9. The aseptic discharge pulsating vacuum vertical sterilization system according to claim 1, further comprising an air return system comprising an air return solenoid valve (1.4) and an air return filter (1.5) connected to the air return solenoid valve (1.4), the air return solenoid valve (1.4) being connected to the sterilization chamber (1).