CN103908688B - A kind of air supply system of Medical low-temperature steam formaldehyde sterilizing cabinet - Google Patents
A kind of air supply system of Medical low-temperature steam formaldehyde sterilizing cabinet Download PDFInfo
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- CN103908688B CN103908688B CN201410153636.XA CN201410153636A CN103908688B CN 103908688 B CN103908688 B CN 103908688B CN 201410153636 A CN201410153636 A CN 201410153636A CN 103908688 B CN103908688 B CN 103908688B
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Abstract
The invention discloses the air supply system of a kind of Medical low-temperature steam formaldehyde sterilizing cabinet, including sterile chamber, heating jacket, pure air supply air line, formalin bottle, steam generator, vacuum pump, steam generator includes heating medium case, formaldehyde vaporization pipeline, heater, heating medium entrance and reduced temperature steam outlet, waste liquid outlet it is provided with on this heating medium case, the medicine outlet of this formalin bottle and formaldehyde vaporize pipeline connection, and formaldehyde vaporization pipeline connects with sterile chamber；Reduced temperature steam outlet connects with sterile chamber, heating jacket；The suction ports of vacuum pump connects with sterile chamber, and air outlet connects with waste liquid discharge line.This air supply system utilizes the formaldehyde gas after vaporizing and Low Temperature Steam to mix sterilizing in being jointly passed through sterile chamber, it is ensured that formaldehyde gas and Low Temperature Steam are fully contacted with article subject to sterilization, and sterilizing is more thorough, without dead angle, can thoroughly remove the formaldehyde gas of residual after sterilizing.
Description
Technical field
The present invention relates to a kind of air supply system, particularly relate on a kind of Medical low-temperature steam formaldehyde sterilizing cabinet
Air supply system.
Background technology
Formaldehyde has efficient sterilization functions to various microorganisms, including bacterial propagule, spore, branch bar
Bacterium, fungus and virus.Its Bactericidal Mechanism be formaldehyde be alkylating agent, can be by bacterium protein, enzyme and core
The active gene alkylation degeneration of acid.Can be raw with the amino on protein molecule, sulfydryl, hydroxyl and carboxyl
Become methine derivative, thus the protein (especially enzyme) destroying antibacterial causes microorganism dead.
Right is to utilize formalin to fumigate article subject to sterilization currently with formaldehyde sterilizing, reaches the purpose of sterilizing,
Right this sterilization method sterilization effect is bad, this formaldehyde cannot comprehensive and article contacts, particularly pack
Bag and the article of band tube chamber, in packaging bag, space and tube chamber are not easy to penetrate when stifling, and its sterilization effect is more
Add low, cause sterilizing not thorough, have corner or spot as yet untouched by a clean-up campaign etc..Additionally, the article after sterilizing easily have residual first
Aldehyde, once uses this to be applied to medically with the article of residues of formaldehyde, will work the mischief patient.
Summary of the invention
The technical problem to be solved is: provide the supply of a kind of Medical low-temperature steam formaldehyde sterilizing cabinet
System, after this air supply system can be to airtight sterile chamber's evacuation, utilizes steam generator by formalin
Heating is vaporizated in formaldehyde gas, formaldehyde gas and Low Temperature Steam are passed through sterile chamber jointly and mixes sterilizing, it is ensured that
Formaldehyde gas and Low Temperature Steam are fully contacted with article subject to sterilization, and sterilizing is more thorough, without dead angle, after sterilizing
Can thoroughly remove the formaldehyde gas of residual.
For solving above-mentioned technical problem, the technical scheme is that a kind of Medical low-temperature steam formaldehyde sterilizing
The air supply system of cabinet, including
Sterile chamber, this sterile chamber is provided with and can open or close the sterile chamber's door making sterile chamber airtight, this sterilizing
Outdoor is provided with heating jacket, is provided with temperature sensor and pressure transducer in this sterile chamber, and this heating is pressed from both sides
Put and be provided with Low Temperature Steam entrance and outlet；
Pure air supply air line, the supply end of this pure air supply air line connects with sterile chamber；
Formalin bottle, the gas supplementing opening of this formalin bottle connects with the supply end of pure air supply air line
Logical；
Steam generator, this steam generator includes heating medium case, and this heating medium case is provided with formaldehyde
Vaporization pipeline, heater, heating medium entrance and reduced temperature steam outlet, waste liquid outlet, this formalin
The medicine outlet of solution bottle connects with formaldehyde vaporization line entry, and the outlet of formaldehyde vaporization pipeline connects with sterile chamber；
Described reduced temperature steam outlet is respectively communicated with the Low Temperature Steam entrance of sterile chamber, heating jacket；This heating medium
Entrance connects by heating medium pipeline；This waste liquid outlet, heating jacket outlet all with waste liquid discharge pipe
Road connects；
Vacuum pump, the suction ports of this vacuum pump connects with sterile chamber, the air outlet of this vacuum pump and waste liquid
Discharge line connects.
As the preferred scheme of one, pure air supply air line includes air source, air filter and supply
The inlet communication of pipe, this air source and air filter, the outlet of this air filter connects with air supply pipe,
This air supply pipe connects with in sterile chamber, air supply pipe is provided with check-valves and for gas control valve, this air supply pipe with
The gas supplementing opening connection of this formalin bottle, this communicating position is at check-valves and supplies between gas control valve.
As the preferred scheme of one, described heating medium pipeline connects heating medium source, this heating medium pipe
Upper streamwise is disposed with filter, water pump, check-valves and heating medium valve.
As the preferred scheme of one, by row between outlet and the waste liquid discharge line of described heating jacket
Go out pipeline communication, this discharge line is provided with temperature sensor, filter, check-valves and steam trap.
As the preferred scheme of one, it is close that described air supply system also includes between sterile chamber's door and sterile chamber
Envelope provides the pressure gas circuit of pressure, described sterile chamber is provided with caulking groove, is provided with sealing strip in caulking groove, should
Constituting pressure chamber between sealing strip and caulking groove, this pressure gas circuit includes compressed air cylinder and pressure pipeline,
This pressure pipeline and pressure chamber, this pressure pipeline is provided with pressure control valve；Described pressure chamber
And it is provided with release pipeline between the suction ports of vacuum pump, this release pipeline is provided with pressure-relief valve.
As the preferred scheme of one, the top of described heating jacket, the top of heating medium case are provided with
Relief valve.
After have employed technique scheme, the effect of the present invention is: 1. this air supply system uses vacuum pump to closing
Sterile chamber's evacuation, and utilize steam generator PARA FORMALDEHYDE PRILLS(91,95) aqueous solution to be vaporized into formaldehyde gas, so that first
Aldehyde gas enter in sterile chamber can fully with article contacts subject to sterilization, be particularly suited for band tube chamber article or
The sterilizing of packaging bag；2. the Low Temperature Steam that this air supply system utilizes steam generator to produce goes out jointly with formaldehyde gas
Bacterium, more preferably, meanwhile, Low Temperature Steam is also that the heating jacket of sterile chamber provides heat, and profit to sterilization effect
The temperature in sterile chamber is monitored in real time, it is ensured that sterilizing in an optimum temperature with temperature sensor.3. this supply
System utilizes pure air supply air line and vacuum pump to coordinate and can replace the removing residue formaldehyde after sterilizing, first
Utilize vacuum pump that the residual gas after sterilizing is detached sterile chamber, then pass to pure air, then evacuation,
After being repeated several times, the formaldehyde gas in sterile chamber is thoroughly replaced, and the article after such sterilizing are formaldehydeless the most residual
Stay, be particularly well-suited to the article with tube chamber and packaging bag.4. this air supply system can be again with Low Temperature Steam pair
Article after sterilizing are thermally dried, it is ensured that the article after sterilizing are dried, convenient applicable.
Include air source, air filter and air supply pipe due to pure air supply air line again, this air source with
The inlet communication of air filter, the outlet of this air filter connects with air supply pipe, this air supply pipe and sterilizing
Indoor connection, air supply pipe is provided with check-valves and for gas control valve, this air supply pipe and this formalin bottle
Gas supplementing opening connection, this communicating position at check-valves with between gas control valve, this pure air air supply pipe
Road utilizes air filter can obtain pure air, thus solves the source of pure air, reduces
The supporting requirement of sterilizing cabinet.
Also include providing executing of pressure for sealing between sterile chamber's door and sterile chamber due to described air supply system again
Pressure gas channel, described sterile chamber is provided with caulking groove, is provided with sealing strip in caulking groove, this sealing strip and caulking groove it
Between constitute pressure chamber, this pressure gas circuit include compressed air cylinder and pressure pipeline, this pressure pipeline with execute
Pressure chamber, this pressure pipeline is provided with pressure control valve；Described pressure chamber and the suction of vacuum pump
Being provided with release pipeline between port, this release pipeline is provided with pressure-relief valve, so, this air supply system is also
Door sealing for sterile chamber provides air pressure, it is simple to sealing strip seals with sterilizing door sealed extruded or separates, close
Envelope effect is more preferable, and sealing state is controlled.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the embodiment of the present invention；
In accompanying drawing: 1. sterile chamber；2. heating jacket；21. Low Temperature Steam entrances；22. outlets；3. pure air supplies
Air pipe；31. air source；32. air filters；33. air supply pipes；34. check-valves；35. for gas control valve；
4. formaldehyde drug-feeding tube road；41. formalin bottles；5. steam generator；51. heating medium casees；52. formaldehyde
Vaporization pipeline；53. heaters；54. waste liquid outlets；55. reduced temperature steam outlet；6. heating medium
Pipeline；61. water pumps；62. heating medium sources；63. filters；64. check-valves；65. heating medium valves；7.
Waste liquid discharge line；8. vacuum pump；81. suction ports；82. air outlet；9. pressure gas circuit；91. compression skies
Gas tank；92. pressure pipelines；93. pressure control valves；94. release pipelines；95. pressure-relief valves；10. temperature sensing
Device；11. pressure transducers；12. pressure transducers；13. sealing strips；14. caulking grooves；15. temperature sensors.
Detailed description of the invention
Below by specific embodiment, the present invention is described in further detail.
As it is shown in figure 1, the air supply system of a kind of Medical low-temperature steam formaldehyde sterilizing cabinet, including
Sterile chamber 1, this sterile chamber 1 is provided with and can open or close 1, the sterile chamber making sterile chamber 1 airtight,
This sterile chamber 1 is outside equipped with heating jacket 2, is provided with temperature sensor 10 and pressure passes in this sterile chamber 1
Sensor 12, this heating jacket 2 is provided with Low Temperature Steam entrance 21 and outlet 22,1, this sterile chamber
It is vertically to be slidably mounted on the cabinet of sterilizing cabinet, between 1, this sterile chamber and sterile chamber 1, has sealing dress
Put sealing to coordinate；The top of described heating jacket 2, the top of heating medium case 51 are provided with relief valve.
Pressure transducer 11 and Pressure gauge it is additionally provided with in heating jacket 2.The outlet 22 of described heating jacket 2
Connected by discharge line with between waste liquid discharge line 7, this discharge line is provided with temperature sensor,
Filter, check-valves and steam trap.
Pure air supply air line 3, the supply end of this pure air supply air line 3 connects with sterile chamber 1；Pure
Net air supply air line 3 includes air source 31, air filter 32 and air supply pipe 33, this air source 31 with
The inlet communication of air filter 32, the outlet of this air filter 32 connects with air supply pipe 33, this supply
Pipe 33 connects in sterile chamber 1, air supply pipe 33 is provided with check-valves 34 and for gas control valve 35, this confession
Trachea 33 connects with the gas supplementing opening of this formalin bottle 41, and this communicating position is positioned at check-valves 34 and supply
Between control valve 35, this air supply pipe 33 can be formalin bottle 41 QI invigorating, it is simple to the smooth and easy outflow of formaldehyde,
The gas supplementing opening linkage section of this air supply pipe 33 and formalin bottle 41 is upwards installed, it is to avoid formalin bottle
The formalin of 41 enters this linkage section.
Formalin bottle 41, this formalin bottle 41 belongs to the part in the system of formaldehyde drug-feeding tube road 4,
The gas supplementing opening of this formalin bottle 41 connects with the supply end of pure air supply air line 3；
Steam generator 5, this steam generator 5 includes heating medium case 51, and this heating medium case 51 sets
It is equipped with formaldehyde vaporization pipeline 52, heater 53, heating medium entrance and reduced temperature steam outlet 55, waste liquid row
Outlet 54, the medicine outlet of this formalin bottle 41 connects with formaldehyde vaporization pipeline 52 entrance, and formaldehyde vaporizes
The outlet of pipeline 52 connects with sterile chamber 1；Described reduced temperature steam outlet 55 and sterile chamber 1, heating jacket 2
Low Temperature Steam entrance 21 be respectively communicated with；This heating medium entrance connects by heating medium pipeline 6；This waste liquid
Outlet 54, the outlet 22 of heating jacket 2 all connect with waste liquid discharge line 7；Described heating medium pipe
Road 6 connects heating medium source 62, and on this heating medium pipe, streamwise is disposed with filter 63, water
Pump 61, check-valves 64 and heating medium valve 65, water pump 61 provides pressure for it, and check-valves 64 is avoided supplying
Thermal medium flows backwards；Heating medium can be filtered by filter 63 so that it is pure in entering into heating medium case 51.
Heating medium in the present embodiment uses pure water.
Vacuum pump 8, the suction ports 81 of this vacuum pump 8 connects with sterile chamber 1, giving vent to anger of this vacuum pump 8
Port 82 connects with waste liquid discharge line 7, and this vacuum pump 8 uses water-ring vacuum pump 8, and therefore, it enters
Water end (W.E.) connects with heating medium pipeline 6.
Described air supply system also includes providing the pressure of pressure for sealing between 1, sterile chamber and sterile chamber 1
Gas circuit 9, described sterile chamber 1 is provided with caulking groove 14, is provided with sealing strip 13 in caulking groove 14, this sealing strip
Constituting pressure chamber between 13 and caulking groove 14, this pressure gas circuit 9 includes compressed air cylinder 91 and pressure pipe
Road 92, this pressure pipeline 92 and pressure chamber, this pressure pipeline 92 is provided with pressure control valve 93；
It is provided with release pipeline 94, this release pipeline between described pressure chamber and the suction ports 81 of vacuum pump 8
Pressure-relief valve 95 it is provided with on 94.Caulking groove 14 is used two import pressures, therefore, pressure pipe by the present invention
Road 92 and relief pipeline just have two sets, easily explicitly indicate that in figure.
The operation principle of the present invention is: this air supply system is by after sterile chamber 1 evacuation, and formalin heats
Vaporization can quickly be spread after entering into sterile chamber 1 together with Low Temperature Steam and is fully contacted with article subject to sterilization, thus
Sterilizing, without dead angle, compares current fumigating, and sterilization effect is greatly improved.Additionally this air supply system can be to sterilizing
After formaldehyde gas replace, and this formaldehyde be drained into waste liquid get rid of in pipeline, enter into lower ditch,
Owing to formaldehyde is highly soluble in water, therefore, enter in lower ditch and can react with microorganism and decompose,
Have no effect on environment, and after displacement, the article after sterilizing would not exist removing residue formaldehyde gas, and lead to
I.e. it is easy to use after crossing heating jacket 2 heat drying again.
Claims (5)
1. the air supply system of a Medical low-temperature steam formaldehyde sterilizing cabinet, it is characterised in that: include
Sterile chamber, this sterile chamber is provided with and can open or close the sterile chamber's door making sterile chamber airtight, and this sterile chamber is outside equipped with heating jacket, is provided with temperature sensor and pressure transducer in this sterile chamber, and this heating jacket is provided with Low Temperature Steam entrance and outlet；
Pure air supply air line, the supply end of this pure air supply air line connects with sterile chamber；
Formalin bottle, the gas supplementing opening of this formalin bottle connects with the supply end of pure air supply air line；
Steam generator, this steam generator includes heating medium case, formaldehyde vaporization pipeline, heater, heating medium entrance and reduced temperature steam outlet, waste liquid outlet it is provided with on this heating medium case, the medicine outlet of this formalin bottle connects with formaldehyde vaporization line entry, and the outlet of formaldehyde vaporization pipeline connects with sterile chamber；Described reduced temperature steam outlet is respectively communicated with the Low Temperature Steam entrance of sterile chamber, heating jacket；This heating medium entrance connects by heating medium pipeline；This waste liquid outlet, the outlet of heating jacket all connect with waste liquid discharge line；
Vacuum pump, the suction ports of this vacuum pump connects with sterile chamber, and the air outlet of this vacuum pump connects with waste liquid discharge line；
Pure air supply air line includes air source, air filter and air supply pipe, this air source and the inlet communication of air filter, the outlet of this air filter connects with air supply pipe, this air supply pipe connects with in sterile chamber, check-valves it is provided with and for gas control valve on air supply pipe, this air supply pipe connects with the gas supplementing opening of this formalin bottle, and this communicating position is at check-valves and supplies between gas control valve.
2. the air supply system of a kind of Medical low-temperature steam formaldehyde sterilizing cabinet as described in claim 1, it is characterized in that: described heating medium pipeline connects heating medium source, and on this heating medium pipe, streamwise is disposed with filter, water pump, check-valves and heating medium valve.
3. the air supply system of a kind of Medical low-temperature steam formaldehyde sterilizing cabinet as described in claim 2, it is characterized in that: connected by discharge line between the outlet of described heating jacket with waste liquid discharge line, this discharge line is provided with temperature sensor, filter, check-valves and steam trap.
4. the air supply system of a kind of Medical low-temperature steam formaldehyde sterilizing cabinet as described in claim 3, it is characterized in that: described air supply system also includes providing the pressure gas circuit of pressure for sealing between sterile chamber's door and sterile chamber, it is provided with caulking groove in described sterile chamber, sealing strip it is provided with in caulking groove, pressure chamber is constituted between this sealing strip and caulking groove, this pressure gas circuit includes compressed air cylinder and pressure pipeline, this pressure pipeline and pressure chamber, and this pressure pipeline is provided with pressure control valve；It is provided with release pipeline between described pressure chamber and the suction ports of vacuum pump, this release pipeline is provided with pressure-relief valve.
5. the air supply system of a kind of Medical low-temperature steam formaldehyde sterilizing cabinet as described in claim 4, it is characterised in that: the top of described heating jacket, the top of heating medium case are provided with relief valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410153636.XA CN103908688B (en) | 2014-04-16 | 2014-04-16 | A kind of air supply system of Medical low-temperature steam formaldehyde sterilizing cabinet |
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| CN201410153636.XA CN103908688B (en) | 2014-04-16 | 2014-04-16 | A kind of air supply system of Medical low-temperature steam formaldehyde sterilizing cabinet |
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| CN103908688A CN103908688A (en) | 2014-07-09 |
| CN103908688B true CN103908688B (en) | 2016-08-24 |
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| WO2022000464A1 (en) | 2020-07-03 | 2022-01-06 | Qiaokang Biotech (Guangdong) Co., LTD. | Mobile pretreatment apparatus and an operating method thereof, and a mobile analysis apparatus and an operating method thereof |
| CN114288429B (en) * | 2021-12-31 | 2022-11-25 | 西安交通大学 | Positive pressure inert gas protection circulation dry heat device for medical protective article disinfection |
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| CN203815923U (en) * | 2014-04-16 | 2014-09-10 | 张家港市华菱医疗设备制造有限公司 | Gas supply system of medical low-temperature steam formaldehyde sterilizing cabinet |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3001935B2 (en) * | 1990-06-28 | 2000-01-24 | 株式会社千代田製作所 | Operating method of gas sterilizer |
| CN2511304Y (en) * | 2001-11-22 | 2002-09-18 | 张家港市华菱医疗设备制造有限公司 | Formaldehyde low-temperature steam sterilizing cupboard |
| CN101693115B (en) * | 2009-10-12 | 2013-09-11 | 张家港市华菱医疗设备制造有限公司 | Sterilizing process of air filter in damp-warm steam sterilizing cabinet |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203815923U (en) * | 2014-04-16 | 2014-09-10 | 张家港市华菱医疗设备制造有限公司 | Gas supply system of medical low-temperature steam formaldehyde sterilizing cabinet |
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Address after: Suzhou City, Jiangsu province 215632 gold town Zhangjiagang city Nansha sanlijia Road, Zhangjiagang Hualing Medical Equipment Co Ltd Patentee after: Zhangjiagang Hualing Medical Equipment Co Ltd Address before: Suzhou City, Jiangsu province 215634 gold town Zhangjiagang city Nansha Zhangjiagang Hualing medical equipment manufacturing Co. Ltd. Patentee before: Zhangjiagang Hualing Medical Equipment Manufacturing Co., Ltd. |