CN219290234U - VHP sterilizer - Google Patents

Abstract

The utility model relates to a VHP sterilizer, which comprises a box body, wherein a liquid storage bottle is arranged in the box body and is connected with a liquid inlet of a pump body through a first pipe body, a liquid outlet of the pump body is connected with a first inlet end of a vaporizer through a second pipe body, the vaporizer is provided with a second inlet end which is connected with an outlet of a fan through a reducer union, an air taking opening of the fan is arranged on the box body, the vaporizer is provided with an outlet end which is detachably connected with one part of a spraying assembly, and the other part of the spraying assembly extends out of the box body. The cone part is arranged in the spray assembly pipe body, so that the transmission speed of vaporized hydrogen peroxide can be increased, particles smaller in vaporized hydrogen peroxide are mutually expanded and combined into large particles again due to Brownian motion in the transmission process, then the large particles flow out of the spray head, the flow speed of the large particles is greatly increased, meanwhile, the difference between the vaporized hydrogen peroxide with small particles and the vaporized hydrogen peroxide with large particles can be ensured to be smaller and smaller, meanwhile, the humidity of the whole sterilization space is improved, and the sterilization efficiency is improved.

Description

VHP sterilizer

Technical Field

The utility model relates to the technical field of sterilization equipment, in particular to a VHP sterilizer.

Background

Space sterilization is a common method for removing microorganisms in clean plants in the pharmaceutical industry, can ensure the clean or sterile state of the drug production environment, and provides necessary guarantee for the drug quality. The common space sterilization or disinfection methods in the pharmaceutical industry are: formaldehyde (HCHO) fumigation, ozone (O3) fumigation, ultraviolet (UV) irradiation, vaporized Hydrogen Peroxide (VHP) fumigation, and the like. Formaldehyde and ozone have strong oxidizing and corrosiveness, and have long decomposition time, so the residue is harmful to the environment and personnel, and the like, so the formaldehyde and ozone have the tendency of being replaced by VHP sterilization at present. The main reason is that: the hydrogen peroxide has less harm on the premise of achieving the same sterilization effect as formaldehyde and ozone, and the decomposition products are water and oxygen, and the characteristics of short decomposition time and less residue. VHP space sterilization has become a widely used sterilization or disinfection method for medical plants, nucleic acid sampling areas, nucleic acid detection areas, operating rooms, etc. in areas with strict control of microorganisms.

At present, the common VHP sterilizer is designed based on a sterilization transmission window product, and a control system, a dehumidification system, a decomposition device and the like which mainly adopt a PLC are reserved, so that the whole structure of the equipment is complex, the design cost is high, an operator is required to have certain professional technical capability to perform sterilization operation, and the convenience of use is required to be improved.

Disclosure of Invention

In view of the above-described shortcomings of the prior art, it is an object of the present utility model to provide a VHP sterilizer that solves one or more of the problems of the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a VHP sterilizer, the sterilizer includes the box, the inside of box has the stock solution bottle that is used for storing hydrogen peroxide, the inlet of the stock solution bottle through first body coupling pump body, the liquid outlet of the pump body passes through the second body coupling and is connected with the first entrance point of vaporizer, the vaporizer has the second entrance point to pass through the outlet connection of reducing joint and fan, the air intake of fan is seted up on the box, the vaporizer has the exit end and sprays a part detachable of subassembly and be connected, another part that sprays the subassembly stretches out the box.

Further, the spray assembly comprises a pipe body and a spray header connected with the pipe body, the pipe body is provided with a through hole, the hole wall of the pipe body, far away from the through hole at the spray header, is a cone part, and the cone part enables the caliber of the pipe orifice of the pipe body to gradually increase from bottom to top.

Further, a first hole is formed in the center of the spray header, a plurality of second holes are formed in the circumferential direction of the spray header by taking the first hole as the center, and the aperture of the first hole is larger than that of the second hole.

Further, the outlet end of the carburetor is provided with a plurality of third holes, and each third hole is uniformly arranged along the circumferential direction.

Further, the air taking opening of the fan is arranged on the side face or the bottom face of the box body.

Further, a plurality of handles are arranged on the top of the box body.

Further, the bottom of the box body is provided with a plurality of supporting structures.

Further, the supporting structure is any one of a foot margin and a universal wheel.

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

according to the utility model, the cone part is arranged in the spray assembly pipe body, so that the transmission speed of the vaporized hydrogen peroxide can be increased, particles with smaller vaporized hydrogen peroxide are mutually expanded and recombined into large particles due to Brownian motion in the transmission process, and then flow out of the spray head, so that the difference between the small-particle vaporized hydrogen peroxide and the large-particle vaporized hydrogen peroxide can be ensured to be smaller and smaller while the flow speed is greatly increased, the humidity of the whole sterilization space is improved, and the sterilization efficiency is improved.

Further, the first hole and the second hole are formed in the spray header, the aperture of the first hole is larger than that of the second hole, the first hole is arranged in the center of the spray header, vaporized hydrogen peroxide can be quickly dispersed after being sprayed out, and meanwhile, vaporized hydrogen peroxide is knocked to be crushed and blown into a sterilization space in the dispersing process, so that the sterilization effect is improved.

Drawings

Fig. 1 shows a front view of a VHP sterilizer according to an embodiment of the present utility model.

Fig. 2 shows a side view of a VHP sterilizer according to an embodiment of the present utility model.

Fig. 3 shows a top view of a VHP sterilizer according to an embodiment of the present utility model.

Fig. 4 shows a schematic internal structure of a VHP sterilizer according to an embodiment of the present utility model.

The reference numerals in the drawings: 1. a spray assembly; 100. a first hole; 101. a second hole; 102. a cone portion; 103. a pipe orifice; 104. a tube body; 105. a spray header; 106. a through hole; 2. a handle; 3. a liquid storage bottle; 4. a pump body; 5. a vaporizer; 501. a third hole; 6. a reducing joint; 7. a blower; 701. an air taking port; 8. a foot margin; 9. a start-stop button; 10. a case; 11. a first tube body; 12. and a second pipe body.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, a VHP sterilizer according to the present utility model will be described in further detail with reference to the accompanying drawings and detailed description. The advantages and features of the present utility model will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for the purpose of facilitating and clearly aiding in the description of embodiments of the utility model. For a better understanding of the utility model with objects, features and advantages, refer to the drawings. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that any modifications, changes in the proportions, or adjustments of the sizes of structures, proportions, or otherwise, used in the practice of the utility model, are included in the spirit and scope of the utility model which is otherwise, without departing from the spirit or essential characteristics thereof.

Referring to fig. 1, the VHP sterilizer of the present embodiment includes a housing 10, wherein a liquid storage bottle 3 for storing hydrogen peroxide is provided in the housing 10, and the liquid storage bottle 3 is connected to a liquid inlet of a pump body 4 through a first pipe 11. Preferably, the pump body 4 is a peristaltic pump, the flow rate of the peristaltic pump can be manually set, the peristaltic pump can suck hydrogen peroxide in the liquid storage bottle 3, a liquid outlet of the pump body 4 is connected with a first inlet end of the vaporizer 5 through a second pipe body 12, the sucked hydrogen peroxide can be injected into the vaporizer 5 through the liquid outlet, the vaporizer 5 is provided with a second inlet end which is connected with an outlet of the fan 7 through a reducing joint 6, an air outlet 701 of the fan 7 is formed in the box 10, the vaporizer 5 is provided with an outlet end which is detachably connected with a part of the spraying assembly 1, and the other part of the spraying assembly 1 extends out of the box 10.

Specifically, the detachable connection is that a flange is arranged on the spraying assembly 1, a flange is also arranged at the outlet end of the carburetor 5, and the flange is connected through a fastener to realize the detachable connection of the spraying assembly 1 and the carburetor 5.

Accordingly, in other embodiments of the present utility model, the liquid storage bottle 3 may be disposed outside the case 10, which only needs to implement the storage function, and the present utility model will not be further described.

With continued reference to fig. 1, the spray assembly 1 includes a pipe body 104 and a spray header 105 connected to the pipe body 104, where the pipe body 104 has a through hole 106, and a hole wall of the through hole 106 at a position where the pipe body 104 is far away from the spray header 105 is a cone 102, the cone 102 increases the caliber of a pipe orifice 103 of the pipe body 104 from bottom to top, and the cone 102 can make vaporized hydrogen peroxide pass through the cone 102 to accelerate its transfer speed, and make particles with smaller VHP expand mutually and combine into large particles again due to brownian motion in the transfer process, and then flow out from the spray header 105, so that the difference between the small particles VHP and the large particles VHP can be ensured to be smaller and smaller while the flow velocity is greatly increased, and meanwhile, the humidity of the whole sterilization space is improved, and the sterilization efficiency is improved.

Further, referring to fig. 1 and 3, a first hole 100 is formed in the center of the showerhead 105, a plurality of second holes 101 are formed around the first hole 100 along the circumferential direction of the showerhead 105, the aperture of the first hole 100 is larger than that of the second holes 101, the hydrogen peroxide after acceleration is sprayed out from the first hole 100 and each second hole 101, and the vaporized hydrogen peroxide is accelerated and the aperture of the first hole is larger than that of the second holes, so that the hydrogen peroxide along the axis direction of the pipe 104 is preferentially accelerated and then is sprayed out from the first hole 100 and then scattered, and the vaporized hydrogen peroxide sprayed out from the second holes 101 in the other directions is knocked and crushed and blown into a sterilizing space in the scattering process, so as to improve the sterilizing effect.

Further, referring to fig. 4, the outlet end of the carburetor 5 has a plurality of third holes 501, and each third hole 501 is uniformly arranged along the circumferential direction. After the air absorbed by the fan 7 flows into the vaporizer 5 as shown by arrows in fig. 1 and 2, high-speed air flow is formed in the vaporizer, the high-speed air flow is sprayed out through the third holes 501 and then contacts with the injected hydrogen peroxide, so that the hydrogen peroxide is crushed into particles to be atomized, and the particles flow to the spray header 105 through the pipe body 104 to be blown into a sterilization space, the VHP concentration can reach more than 400ppm after 40min, and the sterilization efficiency is high.

The temperature of the vaporizer 5 can be manually set, and the vaporizer 5 can be continuously heated after the temperature is lower than the specified temperature, and the heating is automatically stopped after the temperature reaches the specified temperature.

Further, the air intake 701 of the fan 7 is opened at the side or bottom of the box 10. A plurality of handles 2 are also arranged on the top of the box body 10, and the handles 2 facilitate the carrying of the box body 10. The bottom of the box 10 is provided with a plurality of supporting structures, and the supporting structures are any one of the foundation 8 or universal wheels, and the box 10 can be moved at any position through the universal wheels.

Further, a start-stop button 9 is further arranged on the box 10, the input end of the start-stop button 9 is connected with the power socket, and the output end of the start-stop button 9 is connected with the fan 7, the vaporizer 5 and the pump body 4 in series, so that one-key start and stop of the fan 7, the vaporizer 5 and the pump body 4 are realized through the start-stop button 9.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (7)

1. A VHP sterilizer, the sterilizer comprising a tank, characterized in that: the inside of the box body is provided with a liquid storage bottle for storing hydrogen peroxide, the liquid storage bottle is connected with a liquid inlet of a pump body through a first pipe body, a liquid outlet of the pump body is connected with a first inlet end of a vaporizer through a second pipe body, the vaporizer is provided with a second inlet end which is connected with an outlet of a fan through a reducing joint, an air taking opening of the fan is formed in the box body, the vaporizer is provided with an outlet end which is detachably connected with one part of a spraying assembly, and the other part of the spraying assembly extends out of the box body;

the spray assembly comprises a pipe body and a spray header connected with the pipe body, the pipe body is provided with a through hole, the hole wall of the pipe body, far away from the through hole at the spray header, is a cone part, and the cone part enables the caliber of the pipe orifice of the pipe body to gradually increase from bottom to top.

2. The VHP sterilizer of claim 1, wherein: the center of the spray header is provided with a first hole, a plurality of second holes are formed in the circumferential direction of the spray header by taking the first hole as the center, and the aperture of the first hole is larger than that of the second hole.

3. The VHP sterilizer of claim 2, wherein: the outlet end of the carburetor is provided with a plurality of third holes, and each third hole is uniformly arranged along the circumferential direction.

4. The VHP sterilizer of claim 1, wherein: the air taking opening of the fan is arranged on the side face or the bottom face of the box body.

5. The VHP sterilizer of claim 1, wherein: the top of the box body is also provided with a plurality of handles.

6. The VHP sterilizer of claim 1, wherein: the bottom of the box body is provided with a plurality of supporting structures.

7. The VHP sterilizer of claim 6, wherein: the supporting structure is any one of a foot margin and a universal wheel.

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