Disinfection device capable of quickly taking out disinfected articles

Abstract

The invention relates to the technical field of disinfection equipment, and discloses a disinfection device for rapidly taking out disinfected articles. An external water inlet assembly; the self-priming pump is used for carrying out primary pressurization on entering water flow, and the booster pump is used for increasing the water pressure to be greater than the pressure in the sterilization kettle; an electromagnetic valve and a nozzle; the spraying plate is arranged at the upper part of the sterilization kettle, a plurality of water passing holes for water to flow through are formed in the spraying plate along the thickness direction, and a water retaining element is arranged on the upper surface of the spraying plate; a water diversion element penetrates through the spraying plate and the air pressure adjusting element, the pressure in the sterilization kettle is adjusted to be maintained at a set value, and the air pressure adjusting element and the sterilization kettle are controlled to be connected and disconnected through an electromagnetic valve; and a cooling water tank. Water sprayed by the spray head reaches the water retaining element through the water diversion element, the water flow is dispersed and fully distributed on the whole spray plate, and then the water flows down from the water passing holes of the spray plate to cool a disinfected article, so that compared with natural cooling, the temperature of the article can be rapidly reduced, and the article can be conveniently and rapidly taken out of the sterilization kettle.

Description

Technical Field

[0001] This invention relates to the field of disinfection equipment technology, and in particular to a disinfection device for quickly removing disinfected items. Background Technology

[0002] Current sterilization autoclaves are mostly cooled by external spraying, which involves spraying cooling water onto the outer wall of the autoclave to remove heat from inside through heat conduction, combined with depressurization via an exhaust valve. However, this method has significant drawbacks: the long heat conduction path leads to uneven cooling of items inside the autoclave, making heat-sensitive items prone to spoilage, and the cooling efficiency is low, wasting water resources. Often, the autoclave has already cooled down, but the items inside are still at a high temperature that cannot be directly touched. Even if the pressure is released and the lid is opened, the items cannot be removed. Furthermore, to avoid secondary contamination caused by the items cooling down in the external environment after removal, it is necessary to wait for the items to cool down on their own before opening the lid and removing them, which occupies the internal space of the autoclave for a long time, resulting in low utilization.

[0003] To solve the above problems, there is an urgent need for a device to rapidly cool down high-temperature objects inside a sterilized vessel. Summary of the Invention

[0004] The present invention aims to at least partially solve one of the technical problems in the aforementioned technologies. Therefore, the object of the present invention is to provide a structure for directly and uniformly spraying high-temperature objects in a sterilizer.

[0005] To achieve the above objectives, embodiments of the present invention provide a disinfection device for quickly removing disinfected items, comprising: The sterilizer is equipped with an openable and closable lid; An external water inlet assembly is connected to a self-priming pump, allowing external water to enter the self-priming pump through the external water inlet assembly. The self-priming pump pressurizes the incoming water flow once. It has a water storage element that can stabilize the water flow and reduce the impact of external water supply fluctuations on the efficiency of the device. The booster pump, whose inlet is connected to the outlet of the self-priming pump, pressurizes the water flow a second time, making the water pressure greater than the pressure inside the sterilizer; The solenoid valve is located at the outlet of the booster pump and controls the flow of water from the booster pump. The nozzle has an inlet lower than the outlet, the inlet is connected to a solenoid valve, and the outlet faces the spray plate. A spray plate is located at the top of the sterilizer. The spray plate has several water passage holes along its thickness direction, and a water-blocking element is provided on the upper surface of the spray plate. A water-guiding element passes through the spray plate. Part of the water sprayed from the nozzle is guided by the water-guiding element and then sprayed towards the water-blocking element. The water-blocking element changes the direction of the water flow, so that the water flow is spread on the upper surface of the spray plate and then falls through the water passage. The pressure regulating element adjusts the pressure inside the sterilizer to maintain it at a set value. The pressure regulating element and the sterilizer are controlled by a solenoid valve. The cooling water tank receives residual water from the sterilizer and discharges it after reducing its temperature to below the set temperature.

[0006] According to an embodiment of the present invention, a disinfection device for quickly removing disinfected items is provided. After the sterilization process is completed in the sterilization vessel, a self-priming pump is started, and externally input cooling water is pressurized once and then input into a booster pump. After a second pressurization by the booster pump, the pressure is increased to a level greater than that inside the sterilization vessel and then sprayed out through a nozzle. The water sprayed from the nozzles reaches the water-blocking element through the water-guiding element, and the water flow spreads to cover the entire spray plate. Then, the water flows down from the water passage holes of the spray plate to cool down the disinfected items. Compared with natural cooling, it can quickly reduce the temperature of the items so that they can be quickly removed from the sterilizer.

[0007] In addition, the disinfection device for quickly removing disinfected items according to the above embodiments of the present invention may also have the following additional technical features: Optionally, the nozzle is divided into a vertical section and a curved section. The vertical section is located on the inner wall of the sterilizer, with one end connected to the solenoid valve and the other end forming a curved section. The outlet of the curved section has an angle with the spray plate.

[0008] Optionally, the spray plate is circular, and the water passage holes are arranged in concentric circles from the center of the spray plate outwards, with the row spacing and column spacing between the water passage holes being the same.

[0009] Optionally, the water-blocking element is an inclined plate with folded edges on both ends facing the spray plate. The water-blocking element is fixed inside the sterilizer. After the water is sprayed out from the water-guiding element, it hits the inclined plate. Part of the water overflows from the upper and lower ends of the inclined plate, while the other part overflows only from the folded edges to both ends.

[0010] Optionally, the air pressure regulating element includes a water and oil filter and an air compressor, wherein the water and oil filter is connected in series between the air compressor and the sterilization vessel.

[0011] Optionally, the cooling water tank includes a drain pipe, a water storage tank, and a water tank pipe. The drain pipe is located at the bottom of the sterilizer and connects the cavity of the sterilizer to the external drain pipe. The drain pipe is equipped with a drain valve to control its on / off state. The drain pipe after the drain valve passes through the water storage tank. The water tank pipe introduces external low-temperature water, which contacts the outer wall of the drain pipe inside the water storage tank to exchange heat and reduce the water temperature in the drain pipe. Attached Figure Description

[0012] Figure 1 View of the overall structure according to an embodiment of the present invention Figure 1 ; Figure 2View of the overall structure according to an embodiment of the present invention Figure 2 ; Figure 3 This is a partial structural cross-sectional view of a sterilizer according to an embodiment of the present invention; Figure 4 This is a partial view of the device structure according to an embodiment of the present invention; Figure 5 This is a schematic diagram of the spraying principle according to an embodiment of the present invention.

[0013] Label Explanation: Sterilization autoclave 1 External water inlet assembly 2 Self-priming pump 3 4. Booster pump; 5. Solenoid valve; 6. Nozzle. 7 Sprayer plate 8 Water intake element 9 Water blocking element Air pressure regulating element 10, cooling water tank 11. Detailed Implementation

[0014] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0015] After the sterilization process is completed, the self-priming pump of the sterilizing autoclave of the present invention starts, pressurizes the externally input cooling water once and inputs it into the booster pump. After the booster pump pressurizes it a second time, it is raised to a pressure greater than that inside the sterilizing autoclave and sprayed out through the nozzle. The water sprayed from the nozzles reaches the water-blocking element through the water-guiding element, and the water flow spreads to cover the entire spray plate. Then, the water flows down from the water passage holes of the spray plate to cool down the disinfected items. Compared with natural cooling, it can quickly reduce the temperature of the items so that they can be quickly removed from the sterilizer.

[0016] To better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to enable a more thorough understanding of the present invention and to fully convey the scope of the invention to those skilled in the art.

[0017] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0018] Figures 1 to 4 A disinfection device for quickly removing disinfected items according to an embodiment of the present invention includes... The sterilizer 1 is equipped with an openable and closable lid. The working principle of the sterilizer 1 is to place the items to be sterilized inside, seal it, and then heat up inside the vessel. By maintaining the high temperature and high pressure environment inside, the bacteria and viruses are killed. Therefore, after sterilization, the pressure and high temperature inside the sterilizer 1 will be maintained for a long time. Even if the temperature is reduced by depressurization or external watering, the sterilized items inside will still be in a high temperature state and will continue to exchange heat with the surroundings, which will slow down the cooling and depressurization rate inside the sterilizer 1.

[0019] Therefore, the present invention uses a series of devices to directly cool the items inside the sterilizer 1, thereby increasing the cooling rate and achieving the purpose of quickly removing the sterilized items.

[0020] External water inlet component 2 is connected to self-priming pump 3, and external water enters self-priming pump 3 through external water inlet component 2; external water inlet component 2 can be multiple valves set on a fixed plate, and the water supply and drainage functions of different devices can be realized by opening and closing the valves. The valves can be solenoid valves 5, which can be controlled by timers or PLCs to realize semi-automatic and fully automatic operation.

[0021] The self-priming pump 3 pressurizes the incoming water flow. It has a water storage element to stabilize the water flow and reduce the impact of external water supply fluctuations on the efficiency of the device. The self-priming pump 3 pressurizes the water by suction and draws it into the water storage element to form a stable water supply. In order to prevent the cooling water from causing secondary pollution to the disinfected items, the water used for spraying is purified water stored in a storage tank. The self-priming pump 3 can draw the water from the storage tank into the tank to meet the actual working needs.

[0022] The booster pump 4 has its inlet connected to the outlet of the self-priming pump 3, which pressurizes the water flow a second time, making the water pressure greater than the pressure inside the sterilizer 1. Unlike the self-priming pump 3, the booster pump focuses on increasing the water pressure to a level exceeding the pressure inside the sterilizer 1 and maintaining it, so that the water flow can enter the sterilizer 1 in a jet-like manner, providing a basis for the subsequent spraying effect.

[0023] The self-priming pump 3 starts first, and the booster pump starts subsequently via a delay switch to prevent it from burning out due to dry running. After the disinfection process is completed, the self-priming pump 3 stops working first, and the booster pump stops with a delay to discharge the residual water in its pipeline, so as to avoid the residual water being sprayed out again due to the pressure decrease when the sterilizer 1 is opened.

[0024] Solenoid valve 5 is located at the outlet of the booster pump to control the flow of water from booster pump 4; it can also prevent high-pressure gas from flowing back into booster pump 4 or even self-priming pump 3 when the pressure inside sterilizer 1 is higher, thus protecting the equipment.

[0025] The nozzle 6 has an inlet lower than the outlet, the inlet is connected to the solenoid valve 5, and the outlet faces the spray plate 7. Optionally, the nozzle 6 is divided into a vertical section and a curved section. The vertical section is located on the inner wall of the sterilizer 1, one end is connected to the solenoid valve 5, and the other end forms a curved section. The outlet of the curved section has an angle with the spray plate 7.

[0026] The water jet from nozzle 6 impacts the spray plate 7 at a certain angle, and can flow and spread in all directions, producing a uniform downward water flow. The spray plate 7 is located on the upper part of the sterilizer 1. The spray plate 7 has several water passage holes along the thickness direction for water to flow through. The upper surface of the spray plate 7 is provided with a water-blocking element 9. Part of the water flow sprayed from the nozzle 6 passes through the water passage holes and falls down from the top of the spray plate 7, spreading on the top surface of the spray plate 7. Specifically, the spray plate 7 is circular, and the water passage holes are set in concentric circles from the center of the spray plate 7 outwards. The row spacing and column spacing between the water passage holes are the same. In order to distribute the single stream of water evenly and drip vertically downwards in the space of the sterilizer 1, the shape of the water passage holes is set to achieve uniform dripping.

[0027] A water-guiding element 8 passes through the spray plate 7. Part of the water flow sprayed from the nozzle 6 is guided by the water-guiding element 8 and then sprayed towards the water-blocking element 9. The water-blocking element 9 changes the direction of the water flow, so that the water flow is spread on the upper surface of the spray plate 7 and then falls through the water passage. In some embodiments, the water-blocking element 9 is an inclined plate with folded edges on both ends facing the spray plate 7. The water-blocking element 9 is fixed inside the sterilizer 1. After the water flow is sprayed out from the water-guiding element 8, it hits the inclined plate. Part of the water overflows from the upper and lower ends of the inclined plate, while the other part only overflows from the folded edges to both ends. The purpose of setting the water-blocking element 9 is to design the deflection angle. If the water-blocking element 9 is not set, the nozzle 6 needs to spray to the top of the sterilizer 1 and then fall, or spray to a position that just passes over the spray plate 7 and fall freely to the top of the spray plate 7, and then spread out and drip down through the water holes.

[0028] The pressure regulating element 10 regulates the pressure inside the sterilizer 1 to maintain it at a set value. The pressure regulating element 10 and the sterilizer 1 are controlled by a solenoid valve 5. Optionally, the pressure regulating element 10 includes a water and oil filter and an air compressor. The water and oil filter is connected in series between the air compressor and the sterilizer 1.

[0029] The purpose of the pressure regulating element 10 is that when cooled water droplets fall on hot items, a large amount of water vapor will be generated, causing the pressure inside the vessel to rise. This will affect the water flow rate from the nozzle 6. Therefore, the pressure regulating element can be turned on before cooling and after cooling water enters to pressurize the inside of the vessel, thereby increasing the boiling point of the water and reducing the amount of water vapor generated by the boiling of the water that originally came into contact with the item. After the item cools down, the pressure inside the vessel is released, and the cooled water is discharged in time. Even if the pressure inside the vessel lowers the boiling point of the water, most of the water remaining inside the vessel will be discharged, and a large amount of steam will not be generated. If the pressure regulating element 10 is not set, a large amount of high-pressure steam will be generated inside the vessel, which will quickly reach the pressure limit of the vessel and cause danger. Moreover, the cooling rate of steam is lower than that of water, which will result in a longer time to open the vessel.

[0030] Cooling water tank 11 receives residual water from sterilizer 1 and discharges it after reducing the temperature of the residual water to below the set temperature. Since the water discharged from the high-pressure vessel may have a temperature higher than the boiling point at room temperature, it is necessary to cool it down to at least 95°C to prevent the hot water from boiling after entering the normal pressure environment and damaging the drainage system pipes, so as to avoid the problem of boiling over.

[0031] Specifically, the cooling water tank 11 includes a drain pipe, a water storage tank, and a water tank pipe. The drain pipe is located at the bottom of the sterilizer 1 and connects the cavity of the sterilizer 1 with the external drain pipe. The drain pipe is equipped with a drain valve to control the on / off state. The drain pipe after the drain valve passes through the water storage tank. The water tank pipe introduces external low-temperature water, which contacts the outer wall of the drain pipe inside the water storage tank to exchange heat and reduce the water temperature in the drain pipe.

[0032] The drain pipe is bent inside the water storage tank to maximize the heat exchange area with the external cooling water within the limited space.

[0033] Temperature detection elements can also be installed in the water storage tank. By measuring the water temperature discharged from the sterilizer 1, the water temperature flowing out after cooling from the drain pipe, and the water temperature in the water storage tank, the degree of cooling of the items in the sterilizer 1 and the external cooling water supply speed of the water tank pipe can be determined.

[0034] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0035] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0036] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. The illustrative expressions of the above terms in this specification should not be construed as necessarily referring to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.

[0037] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A disinfection device for quickly removing disinfected items, characterized in that, It comprises: a sterilization kettle with a cover that can be opened and closed; an external water inlet assembly connected with a self-priming pump, through which the external water inlet assembly enters the self-priming pump; a self-priming pump that pressurizes the water flow once; a booster pump with a water inlet connected to the water outlet of the self-priming pump, which pressurizes the water flow twice, so that the water pressure is greater than the pressure in the sterilization kettle; a solenoid valve provided at the outlet of the booster pump to control the water outlet of the booster pump; a spray head with a water inlet lower than a water outlet, the water inlet is in communication with the solenoid valve, and the water outlet is directed towards the spray plate; a spray plate provided at the upper part of the sterilization kettle, the spray plate is provided with a plurality of water passing holes along the thickness direction for water flow, and the upper surface of the spray plate is provided with a water blocking element; a water guide element penetrates the spray plate, part of the water flow sprayed by the spray head is guided by the water guide element and sprayed towards the water blocking element, the water blocking element changes the direction of the water flow, so that the water flow is scattered on the upper surface of the spray plate and then falls through the water passing holes; a gas pressure regulating element that adjusts the pressure in the sterilization kettle to maintain it at a set value, and the gas pressure regulating element is controlled by the solenoid valve to control the opening and closing between the sterilization kettle; a cooling water tank that receives residual water in the sterilization kettle and reduces the temperature of the residual water to below a set temperature before discharging.

2. The sterilization device of claim 1, wherein: the spray head is divided into a vertical section and a curved section, the vertical section is provided on the inner side wall of the sterilization kettle, one end is in communication with the solenoid valve, and the other end forms the curved section, the outlet of the curved section has an angle with the spray plate.

3. The sterilization device of claim 1, wherein: the spray plate is circular, the water passing holes are arranged in concentric circles from the center of the spray plate, and the row spacing and column spacing between the water passing holes are the same.

4. The sterilization device of claim 1, wherein: the water blocking element is an inclined plate, the two ends of the inclined plate have folded edges facing the sides of the spray plate, the water blocking element is fixed in the sterilization kettle, and the water flow sprayed from the water guide element hits the inclined plate, part of the water flow overflows from the upper and lower ends of the inclined plate, and the other part of the water flow overflows from the folded edges to the two ends.

5. The sterilization device of claim 1, wherein: the gas pressure regulating element comprises a water and oil filter and an air compressor, and the water and oil filter is connected in series between the air compressor and the sterilization kettle.

6. The sterilization device of claim 1, wherein: the cooling water tank comprises a drain pipe, a water storage tank and a water tank pipe, the drain pipe is provided at the bottom of the sterilization kettle and is connected with the cavity of the sterilization kettle and the external drain pipe, the drain pipe is provided with a drain valve to control the opening and closing, the drain pipe after the drain valve penetrates the water storage tank, and the water tank pipe is introduced into the external low-temperature water to contact the outer wall of the drain pipe in the water storage tank to exchange heat and reduce the water temperature in the drain pipe.

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