Ethylene oxide sterilization cabinet

Abstract

The utility model discloses an ethylene oxide sterilization cabinet which comprises a shell, the bottom of the shell is fixedly connected with a supporting seat, the top wall of the shell is communicated with an air inlet pipe, the bottom end of the air inlet pipe is communicated with a flow dividing pipe, the inside of the flow dividing pipe is communicated with an air spraying pipe, and the bottom of the air spraying pipe is communicated with a plurality of air spraying heads. The flow dividing pipe and the air spraying pipe are communicated with the shell, the front face of the shell is movably connected with a connecting door, the bottom of the inner side of the shell is fixedly connected with a placing net plate, and the bottom of the shell is fixedly connected with a purifying unit. According to the utility model, through the arrangement of the purification unit, after articles are sterilized, an external power supply is used for supplying power to the fan box, and meanwhile, the scavenging valve is opened to exhaust gas in the box body, so that negative pressure is generated in the box body, and gas with ethylene oxide in the shell is pumped into the box body through the connecting pipe; and then irradiating through a UA ultraviolet photolysis lamp.

Description

TECHNICAL FIELD

[0001] The utility model relates to sterilization equipment technical field, concretely is a kind of ethylene oxide sterilization cabinet. BACKGROUND

[0002] Ethylene oxide sterilization device is the key equipment of disposable use aseptic medical instrument production enterprise, installation operation, use management has its special requirement, using ethylene oxide to do sterilizing agent, ethylene oxide is a broad-spectrum sterilizing agent, can kill various microorganisms at normal temperature, including spores, tubercle bacillus, bacteria, virus, fungi.

[0003] Generally, after the sterilization of the general article, some ethylene oxide gas is left in the cabinet body, if the ethylene oxide gas is not treated, the ethylene oxide gas may float in the air, and some harmful substances in the ethylene oxide gas may be inhaled by personnel through the nasal cavity, which may cause harm to the health of personnel over a long period of time. UTILITY MODEL CONTENTS

[0004] To solve the problems in the above background art, the utility model aims to provide an ethylene oxide sterilization cabinet, which has the advantages of treating ethylene oxide gas and reducing the harm of ethylene oxide to personnel health, and solves the problem of harm to personnel health due to the inability to treat residual ethylene oxide.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an ethylene oxide sterilization cabinet, comprising a shell, a support seat is fixedly connected to the bottom of the shell, an air inlet pipe is communicated with the top wall of the shell, a shunt pipe is communicated with the bottom end of the air inlet pipe, a jet pipe is communicated in the interior of the shunt pipe, a plurality of jet heads are communicated with the bottom of the jet pipe, the shunt pipe and the jet pipe are communicated with the shell, a connecting door is movably connected to the front of the shell, a placing mesh is fixedly connected to the inner bottom of the shell, and a purification unit is fixedly connected to the bottom of the shell.

[0006] The purification unit comprises a box body fixedly connected to the bottom of the shell, two rows of UA ultraviolet photolysis lamps are fixedly connected in the interior of the box body, a light catalysis plate is arranged between the UA ultraviolet photolysis lamps, the light catalysis plate is fixedly connected with the box body, a fan box is arranged on the right side of the box body, the fan box is communicated with the box body, connecting pipes are communicated with the top wall of the box body and the bottom wall of the shell, and an air exchange valve is communicated with the left side wall of the shell.

[0007] As preferred in the utility model, a filter screen is arranged in the interior of the box body, and the filter screen is located on the left side of the UA ultraviolet photolysis lamp.

[0008] As preferred in the utility model, recessed plates are fixedly connected to the upper and lower sides in the interior of the box body, and the recessed plates are sleeved on the surface of the filter screen.

[0009] As the utility model is preferred, the inside of the box is provided with activated carbon filter screen, and the activated carbon filter screen is located at the right side of the UA ultraviolet photolysis lamp.

[0010] As the utility model is preferred, the front and rear sides of the fan box are fixedly connected with mounting plates, and the fan box is movably connected with the box through the mounting plates.

[0011] As the utility model is preferred, the inside of the box is provided with a through port, and the inside of the through port is movably connected with a sealing door through a screw.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] 1. The utility model discloses a purification unit is arranged, when the article sterilization is finished, the fan box is powered through the external power supply, simultaneously, the air exchange valve is opened, the gas in the box is discharged, the negative pressure is generated in the box, the gas with ethylene oxide in the shell is sucked into the box through the connecting pipe, then the surface of the photocatalytic plate is activated through the irradiation of the UA ultraviolet photolysis lamp, so that the effect of purifying the gas is achieved, the ethylene oxide in the gas is reduced, and the harm of ethylene oxide to personnel health is reduced.

[0014] 2. The utility model discloses a filter screen, and the filter screen can intercept dust and impurities in the gas, improve the cleanliness of the gas, and reduce the pollution of dust to the UA ultraviolet photolysis lamp and the photocatalytic plate. DRAWINGS

[0015] Figure 1 It is the structure schematic view of the utility model;

[0016] Figure 2 It is the cross section schematic view of the box of the utility model;

[0017] Figure 3 It is the utility model Figure 2 The enlarged schematic view of A;

[0018] Figure 4 It is the utility model Figure 2 The enlarged schematic view of B.

[0019] In the drawing: 1, shell;2, support seat;3, air inlet pipe;4, shunt pipe;5, air injection pipe;6, air injection head;7, placing screen plate;8, purification unit;81, box;82, UA ultraviolet photolysis lamp;83, photocatalytic plate;84, fan box;85, connecting pipe;86, air exchange valve;9, filter screen;10, recessed plate;11, activated carbon filter screen;12, mounting plate;13, through port;14, sealing door;15, connecting door. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0021] As shown in Figures 1 to 4 An ethylene oxide sterilization cabinet, including the casing 1, the bottom of casing 1 is fixedly connected with support seat 2, the top wall of casing 1 is communicated with inlet pipe 3, the bottom end of inlet pipe 3 is communicated with shunt pipe 4, the inside of shunt pipe 4 is communicated with jet pipe 5, the bottom of jet pipe 5 is communicated with multiple jet heads 6, shunt pipe 4 and jet pipe 5 are communicated with casing 1, the front of casing 1 is movably connected with connecting door 15, the inside bottom of casing 1 is fixedly connected with placing screen plate 7, the bottom of casing 1 is fixedly connected with purification unit 8;

[0022] The purification unit 8 includes the box body 81 fixedly connected at the bottom of the casing 1, two rows of UA ultraviolet photolysis lamps 82 are fixedly connected in the inside of the box body 81 and are arranged in equal columns, the light catalysis plate 83 is arranged between the UA ultraviolet photolysis lamps 82, the light catalysis plate 83 is fixedly connected with the box body 81, the fan box 84 is arranged at the right side of the box body 81, the fan box 84 is communicated with the box body 81, the connecting pipe 85 is communicated with the top wall of the box body 81 and the bottom wall of the casing 1, the air exchange valve 86 is communicated with the left side wall of the casing 1.

[0023] As shown in Figure 2 The filter screen 9 is arranged in the inside of the box body 81, and the filter screen 9 is located at the left side of the UA ultraviolet photolysis lamp 82.

[0024] As a technical optimization scheme of the utility model, by setting the filter screen 9, the filter screen 9 can intercept dust and other impurities in the gas, improve the cleanliness of the gas, and reduce the pollution of the UA ultraviolet photolysis lamp 82 and the light catalysis plate 83 by dust.

[0025] As shown in Figure 4 The concave plate 10 is fixedly connected with the upper and lower sides in the inside of the box body 81, and the concave plate 10 is sleeved on the surface of the filter screen 9.

[0026] As a technical optimization scheme of the utility model, by setting the concave plate 10, the filter screen 9 has the advantage of being easy to disassemble and assemble, which facilitates the personnel to disassemble and assemble the filter screen 9 in the later period, and facilitates the personnel to disassemble, clean or replace in the later period.

[0027] As shown in Figure 2 The activated carbon filter screen 11 is arranged in the inside of the box body 81, and the activated carbon filter screen 11 is located at the right side of the UA ultraviolet photolysis lamp 82.

[0028] As a technical optimization scheme of the utility model, the activated carbon filter screen 11 can perform secondary purification on the gas, further improving the cleanliness of the gas.

[0029] Reference Figure 3 The front and rear sides of the fan box 84 are fixedly connected with mounting plates 12, and the fan box 84 is movably connected with the box body 81 through the mounting plates 12.

[0030] As a technical optimization scheme of the utility model, the mounting plates 12 can make the fan box 84 have the advantage of being easy to disassemble, facilitating personnel to disassemble, replace or overhaul the fan box 84 later.

[0031] Reference Figure 1 The inside of the box body 81 is provided with a through opening 13, and the inside of the through opening 13 is movably connected with a sealing door 14 through a screw.

[0032] As a technical optimization scheme of the utility model, the through opening 13 and the sealing door 14 are matched with each other, facilitating personnel to open the inside of the box body 81, and facilitating personnel to overhaul and maintain the device inside the box body 81 later.

[0033] The working principle and use process of the utility model are as follows: during daily use, when the sterilization of the articles is completed, the fan box 84 is powered through an external power supply, and the air exchange valve 86 is opened to discharge the gas inside the box body 81, so that the inside of the box body 81 generates a negative pressure, the gas containing ethylene oxide in the shell 1 is drawn into the inside of the box body 81 through the connecting pipe 85, then the UA ultraviolet photolysis lamp 82 is irradiated, and the nanometer titanium dioxide on the surface of the photocatalytic plate 83 is activated, so that the effect of purifying the gas is achieved, the ethylene oxide in the gas is reduced, and the harm of ethylene oxide to the health of personnel is reduced.

[0034] It should be noted that, in this text, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An ethylene oxide sterilization cabinet comprising a housing (1), characterized in that: The bottom of the shell (1) is fixedly connected with a support seat (2), the top wall of the shell (1) is communicated with an air inlet pipe (3), the bottom end of the air inlet pipe (3) is communicated with a shunt pipe (4), the inside of the shunt pipe (4) is communicated with a jet pipe (5), the bottom of the jet pipe (5) is communicated with a plurality of jet heads (6), the shunt pipe (4) and the jet pipe (5) are communicated with the shell (1), the front surface of the shell (1) is movably connected with a connecting door (15), the inside bottom of the shell (1) is fixedly connected with a placing mesh plate (7), and the bottom of the shell (1) is fixedly connected with a purification unit (8). The purification unit (8) comprises a box body (81) fixedly connected to the bottom of the shell (1), two rows of UA ultraviolet photolysis lamps (82) are fixedly connected to the inside of the box body (81), a photocatalytic plate (83) is arranged between the UA ultraviolet photolysis lamps (82), the photocatalytic plate (83) is fixedly connected with the box body (81), a fan box (84) is arranged on the right side of the box body (81), the fan box (84) is communicated with the box body (81), and the top wall of the box body (81) and the bottom wall of the shell (1) are both communicated with a connecting pipe (85).

2. An ethylene oxide sterilization cabinet as defined in claim 1, wherein: The inside of the box body (81) is provided with a filter screen (9), and the filter screen (9) is located on the left side of the UA ultraviolet photolysis lamp (82).

3. An ethylene oxide sterilization cabinet as defined in claim 2, wherein: The upper and lower sides of the inside of the box body (81) are both fixedly connected with recessed plates (10), and the recessed plates (10) are sleeved on the surface of the filter screen (9).

4. An ethylene oxide sterilization chamber as defined in claim 1, wherein: The inside of the box body (81) is provided with an activated carbon filter screen (11), and the activated carbon filter screen (11) is located on the right side of the UA ultraviolet photolysis lamp (82).

5. An ethylene oxide sterilization chamber as defined in claim 1, wherein: The front and rear sides of the fan box (84) are both fixedly connected with mounting plates (12), and the fan box (84) is movably connected with the box body (81) through the mounting plates (12).

6. An ethylene oxide sterilization cabinet as defined in claim 1, wherein: The inside of the box body (81) is provided with a through port (13), and the inside of the through port (13) is movably connected with a sealing door (14) through a screw.

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