CN215194070U

CN215194070U - Heated air circulation formula ethylene oxide sterilizer

Info

Publication number: CN215194070U
Application number: CN202120305144.3U
Authority: CN
Inventors: 盛奇平; 孙贵明
Original assignee: Hangzhou Bocon Mechanical & Electrical Equipment Co ltd
Current assignee: Hangzhou Bocon Mechanical & Electrical Equipment Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-12-17
Anticipated expiration: 2031-02-03

Abstract

The utility model discloses a heated air circulation formula ethylene oxide sterilization cabinet, including inner bag and business turn over material door, business turn over material door articulates the left and right sides at the inner bag, and the outside registrates of inner bag is fixed with the cabinet body, forms the wind channel between the cabinet body and the inner bag, and cabinet body front side rigid coupling has centrifugal fan, and centrifugal fan's air intake passes through return air duct and wind channel intercommunication, and centrifugal fan's air outlet is connected with electric heat exchanger, and electric heat exchanger's air outlet passes through air-supply line and wind channel intercommunication, the utility model discloses a centrifugal fan realizes the air cycle in the wind channel to carry out the concurrent heating through electric heat exchanger, thereby realize the ethylene oxide intensification demand in the inner bag, compare in traditional hot water heating mode, have sealed requirement low, energy utilization is high, extension equipment life, intensification a great deal of advantage such as quick and with low costs.

Description

Heated air circulation formula ethylene oxide sterilizer

Technical Field

The utility model relates to an epoxy sterilizer technical field, concretely relates to heated air circulation formula ethylene oxide sterilizer.

Background

Ethylene oxide is a broad-spectrum sterilizing agent, can kill various microorganisms including spores, tubercle bacillus, bacteria, viruses, fungi and the like at normal temperature, and has the following advantages: can kill all microorganisms, including bacterial spores; the sterilized articles can be wrapped and integrally packaged, and can be kept in a sterile state before use; in contrast, EO does not corrode plastics, metals and rubbers, and does not cause yellowing and embrittlement of articles; can penetrate the articles with irregular shapes and sterilize; the sterilization device can be used for sterilizing articles which cannot be soaked by a disinfectant, and sterilized by dry heat, pressure, steam and other chemical gases, and due to the advantages, the ethylene oxide sterilization device is a key device of a disposable sterile medical equipment production enterprise.

Generally, the cabinet body is heated in the process of sterilization to improve the temperature of the ethylene oxide inside the cabinet body, so that the sterilization effect is improved, the heating process of the sterilization cabinet in the prior art mostly adopts a hot water circulation heating mode, and the sterilization cabinet has the following defects:

firstly, hot water heating needs a water source, certain requirements are also provided for the water quality of the water source used for heating, the water sources and the water cleanliness degrees of different countries are different for foreign markets, and some places need to be pumped by a water pump for use, so that the water quality of the water source for heating cannot be guaranteed;

secondly, the hot water heating has higher requirement on the sealing property of the equipment;

thirdly, when hot water circulates in the equipment, the equipment is rusted, and the equipment is easily rusted and corroded to cause leakage.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a heated air circulation formula ethylene oxide sterilizer, the utility model discloses a realize through following technical scheme.

A hot air circulation type ethylene oxide sterilization cabinet comprises an inner container and a feeding and discharging door, wherein the inner container is in a cuboid hollow shape with openings at the left side and the right side, the feeding and discharging door is hinged at the left side and the right side of the inner container, a cabinet body is sleeved and fixed outside the inner container, an air channel is formed between the cabinet body and the inner container, a centrifugal fan is fixedly connected to the outer wall of the front side of the cabinet body, an air inlet of the centrifugal fan is communicated with the air channel through a return air pipe, an air outlet of the centrifugal fan is connected with an electric heating heat exchanger, an air outlet of the electric heating heat exchanger is communicated with the air channel through an air inlet pipe, a Roots fan corresponding to the feeding and discharging door is fixedly connected to the upper surface of a top plate of the cabinet body, the feeding and discharging door is in a hollow structure, an air inlet of the Roots fan is communicated with the air channel through an exhaust pipe, and an air outlet of the Roots fan is communicated with an inner cavity of the feeding and discharging door at one side of the top of the feeding and discharging door through an air supply pipe, the other side of the top of the feeding and discharging door is communicated with the inner cavity of the feeding and discharging door and the air channel through a circulating air pipe.

Furthermore, the outer wall of the inner container is fixedly connected with a clip-shaped mounting rack, and a plurality of mounting racks are uniformly arranged along the length direction of the inner container.

Further, the cabinet body rigid coupling is on the mounting bracket, and the cabinet body forms for panel concatenation, and adjacent panel sealing connection each other.

Furthermore, a first fixing seat and a second fixing seat are fixedly connected to a top plate of the cabinet body, the air supply pipe is fixedly connected with the first fixing seat, and the circulating air pipe is fixedly connected with the second fixing seat.

Furthermore, the top of the feeding and discharging door is fixedly connected with a first communicating pipe and a second communicating pipe which correspond to the air supply pipe and the circulating air pipe, the head of the first communicating pipe and the head of the air supply pipe are provided with corresponding sealing butt joint mechanisms, and the head of the second communicating pipe and the head of the circulating air pipe are also provided with corresponding sealing butt joint mechanisms.

The utility model has the advantages as follows:

1. by arranging the cabinet body, an air channel is formed between the cabinet body and the inner container, hot air circulates in the air channel to heat the inner container, compared with a hot water circulation heating mode, the sealing requirement on the cabinet body is lower, air leakage is realized even if leakage occurs, surrounding equipment and personnel are not affected, and the phenomenon of equipment water inflow or field muddy cannot be caused;

2. the centrifugal fan is arranged to circulate air in the air duct, and the air is heated when passing through the electric heating heat exchanger, so that the internal circulation of hot air is realized, the direct loss of heat can be avoided, and the utilization efficiency of the heat is improved;

3. the air duct with the hot air circulation is not easy to rust, so that the service life of the cabinet body is prolonged;

4. the flowing speed of hot air circulation is higher than that of hot water circulation, so that the heating speed is improved, the temperature rising speed of the inner container is higher, and the production is more suitable when products need to be frequently replaced;

5. the used circulating air can be taken everywhere, and the cost is lower for the area with difficult water taking;

6. make hot-blast circulation in the business turn over material door through the setting of roots's fan to make the left and right sides of inner bag also heat up, thereby make the inside ethylene oxide of inner bag be heated more evenly, thereby make to heat up more fast.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some examples of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1: the utility model discloses a structural schematic diagram of a hot air circulation type ethylene oxide sterilization cabinet;

FIG. 2: FIG. 1 shows a close-up view at A;

FIG. 3: the utility model relates to a structural schematic diagram of heated air circulation formula ethylene oxide sterilizer when not setting up cabinet body roof.

The reference numbers are as follows:

1-an inner container, 2-a feeding and discharging door, 3-a cabinet body, 4-a centrifugal fan, 5-a return air pipe, 6-an electric heating heat exchanger, 7-an air inlet pipe, 8-a Roots fan, 9-an exhaust pipe, 10-an air supply pipe, 11-a circulating air pipe, 12-a mounting rack, 13-a first fixing seat, 14-a second fixing seat, 15-a first communicating pipe, 16-a second communicating pipe and 17-a sealing and butting mechanism.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in figures 1-3, a heated air circulation type ethylene oxide sterilization cabinet comprises an inner container 1 and a feeding and discharging door 2, wherein the inner container 1 is a cuboid hollow shape with openings at the left and right sides, the feeding and discharging door 2 is respectively hinged at the openings at the left and right sides of the inner container 1, a cabinet body 3 is sleeved and fixed outside the inner container 1, an air duct is formed between the cabinet body 3 and the inner container 1, a centrifugal fan 4 is fixedly connected with the outer wall at the front side of the cabinet body 3, an air inlet of the centrifugal fan 4 is communicated with the air duct through a return air duct 5, an air outlet of the centrifugal fan 4 is connected with an electric heating heat exchanger 6, an air outlet of the electric heating heat exchanger 6 is communicated with the air duct through an air inlet pipe 7, a Roots blower 8 corresponding to the feeding and discharging door 2 is fixedly connected with the upper surface of a top plate of the cabinet body 3, the feeding and discharging door 2 is of a hollow structure, an air inlet of the Roots blower 8 is communicated with the air duct through an exhaust air duct 9, an air outlet of the Roots blower 8 is communicated with an inner cavity of the top side of the feeding and discharging door 2 through an air supply pipe 10, the other side of the top of the feeding and discharging door 2 is also communicated with the air channel through a circulating air pipe 11.

Preferably, the outer wall of the inner container 1 is fixedly connected with a clip-shaped mounting rack 12, and the mounting rack 12 is uniformly provided with a plurality of mounting racks along the length direction of the inner container 1.

Preferably, the cabinet body 3 is fixedly connected to the mounting frame 12, the cabinet body 3 is formed by splicing plates, and the adjacent plates are mutually connected in a sealing manner.

Preferably, a first fixing seat 13 and a second fixing seat 14 are fixedly connected to a top plate of the cabinet body 3, the air supply pipe 10 is fixedly connected with the first fixing seat 13, and the circulating air pipe 11 is fixedly connected with the second fixing seat 14.

Preferably, a first communicating pipe 15 and a second communicating pipe 16 corresponding to the blast pipe 10 and the circulating air pipe 11 are fixedly connected to the top of the feeding and discharging door 2, a corresponding sealing and butting mechanism 17 is arranged at the head of the first communicating pipe 15 and the head of the blast pipe 10, and a corresponding sealing and butting mechanism 17 is also arranged at the head of the second communicating pipe 16 and the head of the circulating air pipe 11.

The utility model discloses a theory of operation does:

when the air supply device is used, a product to be disinfected and sterilized is placed in the inner container 1, the feeding and discharging doors 2 on two sides are closed, ethylene oxide is filled into the inner container 1, the first communicating pipe 15 is in sealing connection with the air supply pipe 10 through the sealing and butting mechanism 17, and the second communicating pipe 16 is connected with the circulating air pipe 11 through the sealing and butting mechanism 17.

Start centrifugal fan 4, electric heat exchanger 6 and roots fan 8, the air circulation in 4 drive wind channels of centrifugal fan flows, the setting of mounting bracket 12 not only can be used for installing the cabinet body 3, can also carry out the water conservancy diversion to the air, make the contact of air and inner bag 1 more abundant, the air is heated when passing through electric heat exchanger 6, thereby the heat of supplementary because of heating inner bag 1 and consuming, the hot-air that flows heats inner bag 1, thereby make the ethylene oxide temperature rise in the inner bag 1, and then improve its sterilization effect to the product.

In sterile in-process, roots's fan 8 passes through exhaust column 9 and extracts the hot-air in the wind channel and enters into the inner chamber of business turn over material door 2 through blast pipe 10 and first communicating pipe 15 in proper order and heats business turn over material door 2, then flows back to the wind channel through second communicating pipe 16 and circulation air pipe 11 in proper order, the higher business turn over material door 2 of temperature makes the 1 left and right sides of inner bag also be heated, thereby make ethylene oxide by whole by high temperature environment encirclement, the rate of rise of temperature is improved.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a heated air circulation formula ethylene oxide sterilizer, includes inner bag (1) and business turn over material door (2), inner bag (1) is left and right sides open-ended cuboid cavity form, business turn over material door (2) respectively hinge a department in the left and right sides opening part of inner bag (1), its characterized in that: a cabinet body (3) is sleeved and fixed outside the inner container (1), an air channel is formed between the cabinet body (3) and the inner container (1), a centrifugal fan (4) is fixedly connected to the outer wall of the front side of the cabinet body (3), an air inlet of the centrifugal fan (4) is communicated with the air channel through an air return pipe (5), an air outlet of the centrifugal fan (4) is connected with an electric heating heat exchanger (6), an air outlet of the electric heating heat exchanger (6) is communicated with the air channel through an air inlet pipe (7), a fan (8) corresponding to the feeding and discharging door (2) is fixedly connected to the upper surface of a top plate of the cabinet body (3), the feeding and discharging door (2) is of a hollow structure, an air inlet of the Roots fan (8) is communicated with the air channel through an air exhaust pipe (9), an air outlet of the Roots fan (8) is communicated with an inner cavity of the feeding and discharging door (2) at one side of the top of the feeding and discharging door through an air supply pipe (10), the other side of the top of the feeding and discharging door (2) is communicated with the inner cavity of the feeding and discharging door and the air channel through a circulating air pipe (11).

2. The heated air circulation type ethylene oxide sterilizing cabinet according to claim 1, characterized in that: the outer wall rigid coupling of inner bag (1) has the mounting bracket (12) of returning the shape, mounting bracket (12) evenly are equipped with a plurality ofly along the length direction of inner bag (1).

3. The heated air circulation type ethylene oxide sterilizing cabinet according to claim 2, characterized in that: the cabinet body (3) is fixedly connected to the mounting frame (12), the cabinet body (3) is formed by splicing plates, and the adjacent plates are mutually connected in a sealing mode.

4. The heated air circulation type ethylene oxide sterilizing cabinet according to claim 1, characterized in that: the air supply device is characterized in that a first fixing seat (13) and a second fixing seat (14) are fixedly connected to a top plate of the cabinet body (3), the air supply pipe (10) is fixedly connected with the first fixing seat (13), and the circulating air pipe (11) is fixedly connected with the second fixing seat (14).

5. The heated air circulation type ethylene oxide sterilizing cabinet according to claim 1, characterized in that: the top rigid coupling of business turn over material door (2) has first communicating pipe (15) and second communicating pipe (16) that the rigid coupling corresponds with blast pipe (10) and circulation tuber pipe (11), the head of first communicating pipe (15) and the head of blast pipe (10) are equipped with corresponding sealed docking mechanism (17), the head of second communicating pipe (16) and the head of circulation tuber pipe (11) also are equipped with corresponding sealed docking mechanism (17).