CN213347018U - Ethylene oxide sterilization device for medical non-woven fabric production - Google Patents
Ethylene oxide sterilization device for medical non-woven fabric production Download PDFInfo
- Publication number
- CN213347018U CN213347018U CN202021859504.6U CN202021859504U CN213347018U CN 213347018 U CN213347018 U CN 213347018U CN 202021859504 U CN202021859504 U CN 202021859504U CN 213347018 U CN213347018 U CN 213347018U
- Authority
- CN
- China
- Prior art keywords
- ethylene oxide
- sterilization
- cabinet body
- flitch
- cabinet
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000001954 sterilising effect Effects 0.000 title claims abstract description 61
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 57
- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 238000002347 injection Methods 0.000 claims abstract description 9
- 239000007924 injection Substances 0.000 claims abstract description 9
- 230000000249 desinfective effect Effects 0.000 claims description 8
- 238000005485 electric heating Methods 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 230000006378 damage Effects 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 230000000740 bleeding effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000003206 sterilizing agent Substances 0.000 description 2
- 241000193830 Bacillus <bacterium> Species 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 208000003322 Coinfection Diseases 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
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- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
Medical non-woven fabrics production ethylene oxide sterilization apparatus, including ethylene oxide injection device, temperature control device, wet accuse device, air exhaust device and the cabinet body that disinfects, the cabinet body that disinfects is seal structure, the internal flitch that separates that is equipped with of the cabinet that disinfects, separate flitch staggered arrangement and form the gas flow channel, be equipped with the water conservancy diversion fan in every gas flow channel, the heating wire of temperature control device is arranged in separating the flitch, and the material of waiting to disinfect is placed on separating the flitch. Set up temperature sensor in the cabinet, can control the sterilization process and be in specific constant temperature, reach best bactericidal effect, humidity control through the atomized water in with the cabinet is at suitable temperature, form the gas flow channel through the staggered arrangement who separates the flitch, make gaseous and the material contact better when being convenient for pour into ethylene oxide gas into and disinfect, the back is accomplished to the sterilization process, can handle remaining ethylene oxide, prevent polluted environment and human injury, this device design benefit, can carry out whole control to the sterilization process, be fit for using widely in the medical equipment field.
Description
Technical Field
The utility model relates to the field of medical equipment, especially a medical non-woven fabrics production ethylene oxide sterilization apparatus.
Background
The apparatus, tools or clothes used in the medical field are strictly sterilized and disinfected during production so as to prevent pollution sources from being brought into medical places and causing secondary infection to weak patients with low resistance, the ethylene oxide sterilizing device is a key device of a disposable sterile medical apparatus production enterprise, special requirements are provided for installation operation, use and management, ethylene oxide is used as a sterilizing agent, and the ethylene oxide is a broad-spectrum sterilizing agent and can kill various microorganisms including spores, tubercle bacillus, bacteria, viruses, fungi and the like at normal temperature. When ethylene oxide sterilization (EO sterilization) is used, the temperature and humidity of the environment and the concentration of ethylene oxide have a relatively significant influence on the sterilization effect, and the humidity and the temperature need to be accurately controlled once.
When the relative humidity is 40% -80%, the sterilization effect is not obviously different; less than 40%, the sterilization effect is obviously reduced; above 90%, without obvious improvement, and easily generate water drops to influence the sterilization effect.
The temperature is 30-60 deg.CoC, 10 per literoC, the sterilization effect is doubled; higher than 65oAnd C, the sterilization effect is not obviously improved.
Meanwhile, the best effect can be achieved only by ensuring that ethylene oxide is in full contact with the materials to be sterilized, and the traditional ethylene oxide sterilization equipment only simply introduces ethylene oxide gas into the sterilization cabinet body and is not fully clean with the materials to be sterilized, so that the sterilization effect is poor.
The higher the concentration is, the better the sterilization effect is within a certain ethylene oxide gas concentration range; and the sterilization effect is not obviously improved when the concentration exceeds 1000 mg/L.
Disclosure of Invention
The utility model aims to solve the technical problem that a medical non-woven fabrics production ethylene oxide sterilization apparatus is provided, can be before killing office's operation to the operation of arranging to the greatest extent of cabinet body air, the colleague creates controllable temperature humidity environment, is convenient for improve bactericidal effect, is the negative pressure in the switch board when the operation, places outside output harmful gas, can handle the emission to surplus ethylene oxide gas after the operation is accomplished, non-staining environment.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
medical non-woven fabrics production ethylene oxide sterilization apparatus, including ethylene oxide injection device, temperature control device, wet accuse device, air exhaust device and the cabinet body that disinfects, the cabinet body that disinfects is seal structure, and the internal flitch that separates that is equipped with of the cabinet that disinfects forms the gas flow channel, is equipped with the water conservancy diversion fan in every gas flow channel, and temperature control device's heating wire is arranged in separating the flitch, separates the flitch and is used for placing the material of waiting to disinfect.
The ethylene oxide injection device comprises an ethylene oxide tank body and a gas conveying pipeline connected with the ethylene oxide tank body, wherein the gas conveying pipeline is connected with the top of the sterilization cabinet body, and a gas control valve is arranged on the gas conveying pipeline.
The temperature control device comprises an electric heating wire in the material separating plate and a temperature sensor in the sterilization cabinet body.
Foretell wet accuse device includes the basin, and the basin passes through the pipeline to be connected with the atomizer, atomizer exit end and the internal connection of cabinet that disinfects, the internal humidity transducer that is equipped with of cabinet that disinfects.
Foretell air exhaust device include with the internal connection's of the cabinet that disinfects aspiration pump, the pipeline between the air exhaust pump and the cabinet body that disinfects is equipped with the valve of opening of bleeding, the valve exit end of opening of bleeding is equipped with evacuation exhaust duct and ethylene oxide treatment tube respectively, is equipped with evacuation discharge valve and ethylene oxide discharge valve on the pipeline respectively, ethylene oxide discharge valve exit end and processing basin are connected.
The sterilizing cabinet is internally provided with a cabinet internal pressure sensor, and the cabinet body of the sterilizing cabinet is externally provided with an external air pressure sensor.
An atomization solenoid valve is arranged on the pipeline between the water tank and the atomizer.
The gas conveying pipeline is provided with a gas flowmeter.
The utility model provides a pair of medical non-woven fabrics production ethylene oxide sterilization apparatus, set up the heating wire in separating the flitch, can make the temperature conduct better to the surrounding environment and take and wait to disinfect on the material, set up temperature sensor in the cabinet simultaneously, can control the process of disinfecting and be in specific constant temperature, reach best bactericidal effect, humidity control through the atomized water in with the cabinet is at suitable temperature, form the gas flow way through the staggered arrangement that separates the flitch, make gaseous and the material contact better when being convenient for pour into ethylene oxide gas into and disinfect, after the process of disinfecting is accomplished, can handle remaining ethylene oxide, prevent polluted environment and human injury, this device design benefit, can carry out whole control to the process of disinfecting, be fit for using widely in the medical equipment field.
Drawings
The invention will be further explained with reference to the following figures and examples:
fig. 1 is a schematic structural diagram of the present invention.
In the figure: the device comprises an ethylene oxide injection device 1, an ethylene oxide tank 101, a gas conveying pipeline 102, a gas control valve 103, a gas flowmeter 104, a temperature control device 2, a heating wire 21, a temperature sensor 22, a humidity control device 3, a water tank 31, an atomizer 32, a humidity sensor 33, an atomizing electromagnetic valve 34, an air extractor 4, an air extracting pump 41, an air extracting opening valve 42, a vacuum exhaust pipeline 43, an ethylene oxide processing pipeline 44, a vacuum exhaust valve 45, an ethylene oxide exhaust valve 46, a processing water tank 47, a sterilization cabinet body 5, a material separating plate 6, a diversion fan 7, a cabinet internal pressure sensor 8, an external air pressure sensor 9 and a material to be sterilized 10.
Detailed Description
As shown in fig. 1, medical non-woven fabrics production ethylene oxide sterilization apparatus, including ethylene oxide injection device 1, temperature control device 2, wet control device 3, air exhaust device 4 and the cabinet body 5 that disinfects, the cabinet body 5 that disinfects is seal structure, be equipped with in the cabinet body 5 that disinfects and separate flitch 6, separate flitch 6 staggered arrangement and form the gas flow channel, be equipped with guiding fan 7 in every gas flow channel, temperature control device 2's heating wire 21 is arranged in separating flitch 6, it is used for placing the material 10 that treats disinfecting to separate flitch 6, through set up heating wire 21 in separating flitch 6, can heat upper and lower layer space, also can preheat the material 10 that treats disinfecting simultaneously.
As shown in fig. 1, the ethylene oxide injection device 1 includes an ethylene oxide tank 101, and a gas delivery pipe 102 connected to the ethylene oxide tank 101, wherein the gas delivery pipe 102 is connected to the top of the sterilization cabinet 5, and a gas control valve 103 is disposed on the gas delivery pipe 102.
As shown in fig. 1, the temperature control device 2 includes a heating wire 21 in the material separating plate 6, and a temperature sensor 22 in the sterilizing cabinet 5.
As shown in fig. 1, the humidity control device 3 includes a water tank 31, the water tank 31 is connected to an atomizer 32 through a pipeline, an outlet end of the atomizer 32 is connected to an interior of the sterilization cabinet 5, and a humidity sensor 33 is disposed in the sterilization cabinet 5.
As shown in fig. 1, the air extractor 4 includes an air pump 41 connected to the inside of the sterilization cabinet 5, an air extraction opening valve 42 is disposed in a pipeline between the air pump 41 and the sterilization cabinet 5, a vacuum exhaust pipeline 43 and an ethylene oxide treatment pipeline 44 are disposed at an outlet end of the air extraction opening valve 42, a vacuum exhaust valve 45 and an ethylene oxide exhaust valve 46 are disposed on the pipelines, respectively, and an outlet end of the ethylene oxide exhaust valve 46 is connected to a treatment water tank 47.
As shown in fig. 1, an in-cabinet pressure sensor 8 is disposed in the sterilization cabinet 5, and an external air pressure sensor 9 is disposed outside the sterilization cabinet 5.
As shown in fig. 1, an atomizing solenoid valve 34 is provided on the pipe between the water tank 31 and the atomizer 32.
As shown in fig. 1, the gas delivery pipe 102 is provided with a gas flow meter 104.
During sterilization, firstly, air in a sterilization cabinet body 5 is evacuated or exhausted to a preset value through an air exhaust device 4, then, the air exhaust opening valve 42 is closed, then, the temperature control device 2 performs heating operation on the interior of the cabinet body, the temperature in the cabinet body is controlled at a set temperature, then, ethylene oxide is introduced into the cabinet body to reach a specified concentration, the concentration is controlled by a gas flowmeter 104, atomized water vapor is introduced into the cabinet body through a humidity control device 3, sterilization operation is started when a set humidity value is reached, the gas is guided by a guide fan 7 in the ethylene oxide injection process to be fully contacted with materials 10 to be sterilized of each layer, during the sterilization process, the temperature in the cabinet is continuously monitored by a temperature sensor 22, the PID control is performed on the temperature in the cabinet, the temperature in the cabinet is constant, after the preset sterilization time is reached, the air exhaust opening valve 42 is opened, and the air exhaust pump 41 is opened for air exhaust operation, and closing the vacuumizing exhaust valve 45, opening an ethylene oxide exhaust valve 46, leading the residual ethylene oxide to a treatment water tank 47 to react with water to generate ethylene glycol, quickly reacting, and preventing the residual ethylene glycol from being discharged into the air, and detecting the air pressure inside and outside the cabinet through an internal pressure sensor 8 and an external pressure sensor 9 of the cabinet in the sterilization operation process to ensure that the inside of the cabinet is negative pressure and prevent the gas from leaking.
Claims (8)
1. Medical non-woven fabrics production ethylene oxide sterilization apparatus, characterized by: including ethylene oxide injection device (1), temperature control device (2), wet accuse device (3), air exhaust device (4) and the cabinet body of disinfecting (5), the cabinet body of disinfecting (5) are seal structure, be equipped with in the cabinet body of disinfecting (5) and separate flitch (6), separate flitch (6) staggered arrangement and form the gas flow channel, be equipped with water conservancy diversion fan (7) in every gas flow channel, heating wire (21) of temperature control device (2) are arranged in and are separated flitch (6), separate flitch (6) and be used for placing material (10) of waiting to disinfect.
2. The sterilization device for producing the ethylene oxide by the medical non-woven fabric according to claim 1, which is characterized in that: the ethylene oxide injection device (1) comprises an ethylene oxide tank body (101) and a gas conveying pipeline (102) connected with the ethylene oxide tank body (101), wherein the gas conveying pipeline (102) is connected with the top of the sterilization cabinet body (5), and a gas control valve (103) is arranged on the gas conveying pipeline (102).
3. The sterilization apparatus for producing ethylene oxide from medical non-woven fabric according to claim 2, wherein the temperature control device (2) comprises an electric heating wire (21) in the material partition plate (6) and a temperature sensor (22) in the sterilization cabinet (5).
4. The medical non-woven fabric production ethylene oxide sterilization device according to claim 3, wherein the humidity control device (3) comprises a water tank (31), the water tank (31) is connected with an atomizer (32) through a pipeline, the outlet end of the atomizer (32) is connected with the inside of the sterilization cabinet body (5), and a humidity sensor (33) is arranged in the sterilization cabinet body (5).
5. The medical ethylene oxide sterilization device for producing non-woven fabrics according to claim 3, wherein the air extractor (4) comprises an air extracting pump (41) connected with the inside of the sterilization cabinet body (5), an air extracting opening valve (42) is arranged on a pipeline between the air extracting pump (41) and the sterilization cabinet body (5), a vacuum extracting exhaust pipeline (43) and an ethylene oxide processing pipeline (44) are respectively arranged at the outlet end of the air extracting opening valve (42), a vacuum extracting exhaust valve (45) and an ethylene oxide exhaust valve (46) are respectively arranged on the pipelines, and the outlet end of the ethylene oxide exhaust valve (46) is connected with a processing water tank (47).
6. The sterilization device for producing the ethylene oxide by the medical non-woven fabric according to claim 3, which is characterized in that: the sterilization cabinet is characterized in that a cabinet internal pressure sensor (8) is arranged in the sterilization cabinet body (5), and an external air pressure sensor (9) is arranged outside the sterilization cabinet body (5).
7. The sterilization device for producing the ethylene oxide by the medical non-woven fabric according to claim 4, which is characterized in that: an atomizing electromagnetic valve (34) is arranged on a pipeline between the water tank (31) and the atomizer (32).
8. The sterilization device for producing the ethylene oxide by the medical non-woven fabric according to claim 2, which is characterized in that: and a gas flowmeter (104) is arranged on the gas conveying pipeline (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021859504.6U CN213347018U (en) | 2020-08-31 | 2020-08-31 | Ethylene oxide sterilization device for medical non-woven fabric production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021859504.6U CN213347018U (en) | 2020-08-31 | 2020-08-31 | Ethylene oxide sterilization device for medical non-woven fabric production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213347018U true CN213347018U (en) | 2021-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021859504.6U Expired - Fee Related CN213347018U (en) | 2020-08-31 | 2020-08-31 | Ethylene oxide sterilization device for medical non-woven fabric production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213347018U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114432478A (en) * | 2022-02-12 | 2022-05-06 | 柴莹莹 | Medical heparin tube sterilization processing system |
| CN115646144A (en) * | 2022-11-04 | 2023-01-31 | 常熟荣瑞灭菌技术有限公司 | Waste gas recycling processing apparatus of ethylene oxide sterilizer |
-
2020
- 2020-08-31 CN CN202021859504.6U patent/CN213347018U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114432478A (en) * | 2022-02-12 | 2022-05-06 | 柴莹莹 | Medical heparin tube sterilization processing system |
| CN115646144A (en) * | 2022-11-04 | 2023-01-31 | 常熟荣瑞灭菌技术有限公司 | Waste gas recycling processing apparatus of ethylene oxide sterilizer |
| CN115646144B (en) * | 2022-11-04 | 2024-04-02 | 常熟荣瑞灭菌技术有限公司 | Waste gas recycling treatment device of ethylene oxide sterilizing cabinet |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210604 |