CN112629166A - Vacuum blast drying method and drying device - Google Patents
Vacuum blast drying method and drying device Download PDFInfo
- Publication number
- CN112629166A CN112629166A CN202011244918.2A CN202011244918A CN112629166A CN 112629166 A CN112629166 A CN 112629166A CN 202011244918 A CN202011244918 A CN 202011244918A CN 112629166 A CN112629166 A CN 112629166A
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- drying
- air
- vacuum
- cleaning tank
- assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/006—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects the gas supply or exhaust being effected through hollow spaces or cores in the materials or objects, e.g. tubes, pipes, bottles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Drying Of Solid Materials (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention relates to the technical field of vacuum drying, and discloses a vacuum forced air drying method and a drying device, wherein the drying method comprises a pre-drying stage and a drying stage; the pre-drying stage comprises the following sequential steps: step A, step B and step C; the drying stage comprises the steps of: step a and step b. The drying device comprises a cleaning tank, an air inlet pipeline, a water drainage pipeline, a vacuum pipeline, a blowing drying assembly, a vacuum loop assembly, a water drainage assembly, an air drainage pipeline and an air exhaust assembly. The uncontrollable factor of manual drying is eliminated, and the management cost is reduced; the problem of difficult drying inside the lumen instrument is solved; after the cleaning is finished, the cleaning agent is not transferred and put into other drying equipment, so that the labor cost is reduced; effectively solves the problem of low efficiency of only using vacuum drying.
Description
Technical Field
The invention relates to the technical field of vacuum drying, in particular to a vacuum forced air drying method and a drying device.
Background
With the rapid development of minimally invasive surgery, a large number of lumen instruments are used and the use rate of the lumen instruments is rapidly increased, the repeated use of the instruments must be strictly treated, water is a basic condition for bacterial breeding, and one of the treatment processes is that the instruments must be dried. The instrument drying mode includes manual drying (wiping, air gun blowing), high temperature drying, low temperature vacuum drying and other schemes, but the modes have the defects of uncontrollable (such as manual drying), high labor cost and the like. The vacuum cleaning machine provides a solution for cleaning the long and thin lumen instruments, and has the advantages that connection and classification are not needed, the labor cost is reduced, and the disposable cleaning amount is relatively high due to the soaking and cleaning; however, after the cleaning, a large amount of water remains on the surface of the instrument, in the cleaning tank, especially in the inner part of the tube cavity, which presents a great problem to the drying function requirement of the cleaning machine.
With the development of medical technology, an effective solution that cleaning products of vacuum cleaning machines do not need to be dried manually after being cleaned and placed in other drying cabinets for drying is urgently needed.
Disclosure of Invention
The invention mainly provides a vacuum forced air drying method and a drying device, which solve the problem of drying after cleaning in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme:
the vacuum forced air drying method comprises a pre-drying stage and a drying stage;
the pre-drying stage comprises the following sequential steps:
step A, opening a vacuum loop assembly to heat water in the cleaning tank to form water vapor, simultaneously extracting the water vapor and air in the cleaning tank, and maintaining for a period of time to discharge a large amount of water in the lumen instrument in the cleaning tank;
b, starting a blast drying assembly to introduce drying air into the cleaning tank, maintaining for a period of time, removing residual moisture in the cleaning tank and in or on the surfaces of the lumen instruments by matching with a drainage assembly, and removing the drying air in the cleaning tank by matching with an exhaust assembly;
step C, after the step A and the step B are executed, entering a drying stage;
the drying stage comprises the steps of:
step a, circulating the step A and the step B according to specific needs;
and b, finishing drying.
Wherein, in step a, the maintaining for a period of time refers to maintaining the on-time of the vacuum circuit component according to actual needs, and is generally 10-15 minutes. In step B, the period of time is maintained, i.e. the on-time of the forced air drying assembly is maintained according to actual needs, generally between 5 and 10 minutes. The step A and the step B are circulated according to specific requirements in the step a, namely, the circulation times are set according to the actual cleaning product quantity in the cleaning tank, generally, the circulation times are 3-5 times, and when the product quantity to be dried is large, the circulation times are 8-10 times.
The vacuum assembly comprises an air extraction valve, a condenser, a heat exchanger, a gas-liquid separator, a vacuum pump, a silencer and the like. The air extraction valve is used for extracting water vapor and air; the heat exchanger is used for heating the cleaning tank; the condenser is used for condensing the water vapor pumped from the cleaning tank into air and liquid water; the gas-liquid separator is used for separating a mixture of air and liquid water, the liquid water is stored in the separator, and the air is pumped out by the vacuum pump; the vacuum pump is used for providing negative pressure for the cleaning tank; mufflers are used to reduce noise.
The blast drying component comprises a hot air inlet electric ball valve, a vortex air pump, a pipeline heater, a filter and the like. The pipeline heater is used for heating cold air; the vortex air pump is used for providing power for air flow; the filter is used for filtering air and preventing the instruments from being polluted.
The drain assembly includes a drain pump for draining and a drain motorized ball valve.
The exhaust assembly comprises an exhaust electric ball valve used for being matched with the blowing and drying assembly, and the exhaust electric ball valve is opened to exhaust when the cleaning tank is used for feeding hot air.
The principle of the vacuum drying mode is that the pressure in the cleaning tank is reduced, gas expands along with the reduction of the pressure, the moisture in the pipe cavity can be effectively removed under the condition of the pressure caused by the expansion of the moisture in the pipe cavity, and the boiling point of the water can be reduced by reducing the pressure, so that the water can be evaporated in a lower environment, and the drying purpose is achieved.
The blast drying has the advantage of making up the defect of vacuum drying and effectively improving the drying efficiency of the instrument.
Further, a drying apparatus for carrying out the vacuum forced air drying method: the air-blowing drying device is characterized by comprising a cleaning tank, wherein an air inlet pipeline is communicated with the upper side of the cleaning tank, a water drainage pipeline is communicated with the lower side of the cleaning tank, a vacuum pipeline is further arranged on the cleaning tank, the air inlet pipeline is communicated with an air-blowing drying assembly, the vacuum pipeline is communicated with a vacuum loop assembly, the water drainage pipeline is communicated with a water drainage assembly, an air drainage pipeline is communicated with the water drainage assembly, and the air drainage pipeline is communicated with an air exhaust assembly.
The washing device further comprises a rotating arm which is rotatably connected to the inner upper wall of the washing tank, an air duct is arranged in the rotating arm, and the air duct is communicated with one end, extending into the washing tank, of the air inlet pipeline; the rotating arm is provided with a power air hole and an air outlet hole; the power air hole and the air outlet hole are communicated with the air passage.
Has the advantages that: 1. the uncontrollable factor of manual drying is eliminated, and the management cost is reduced; 2. the problem of difficult drying inside the lumen instrument is solved; 3. after the cleaning is finished, the cleaning agent is not transferred and put into other drying equipment, so that the labor cost is reduced; 4. effectively solves the problem of low efficiency of only using vacuum drying.
Drawings
FIG. 1 is a schematic view of a vacuum forced air drying line according to the present embodiment;
FIG. 2 is a schematic view of the cleaning tank of the present embodiment;
fig. 3 is a schematic view of a rotating arm structure of the present embodiment.
Reference numerals: the device comprises an air suction valve 1, a condenser 2, a heat exchanger 3, a gas-liquid separator 4, a vacuum pump 5, a silencer 6, a hot air inlet electric ball valve 7, a pipeline heater 8, a vortex air pump 9, a filter 10, an exhaust electric ball valve 11, a drain pump 12, a drain electric ball valve 13, a cleaning tank 14, an air inlet pipeline 15, a drain pipeline 16, a vacuum pipeline 17, an exhaust pipeline 18, a rotating arm 19, a power air hole 20 and an air outlet hole 21.
Detailed Description
The technical scheme of the vacuum forced air drying method and the drying device according to the present invention will be described in further detail with reference to examples.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, fig. 2 and fig. 3, the vacuum forced air drying method of the present embodiment includes a pre-drying stage and a drying stage;
the pre-drying stage comprises the following sequential steps:
step A, opening a vacuum loop assembly to heat moisture in the cleaning tank 14 to form water vapor, simultaneously extracting the water vapor and air in the cleaning tank 14, and maintaining for a period of time to discharge a large amount of moisture in the lumen instruments in the cleaning tank 14;
step B, starting the air blowing drying assembly to introduce drying air into the cleaning tank 14, maintaining for a period of time, removing residual moisture in the cleaning tank 14 and in or on the surfaces of the lumen instruments by matching with the water drainage assembly, and removing the drying air in the cleaning tank 14 by matching with the air exhaust assembly;
step C, after the step A and the step B are executed, entering a drying stage;
the drying stage comprises the steps of:
step a, circulating the step A and the step B according to specific needs;
and b, finishing drying.
Wherein, in step a, the maintaining for a period of time refers to maintaining the on-time of the vacuum circuit component according to actual needs, and is generally 10-15 minutes. In step B, the period of time is maintained, i.e. the on-time of the forced air drying assembly is maintained according to actual needs, generally between 5 and 10 minutes. The circulation of the steps A and B according to specific needs in the step a means that the circulation times are set according to the actual cleaning product quantity in the cleaning tank 14, and are generally 3-5 times, and when the product quantity to be dried is large, the circulation times are 8-10 times.
The vacuum assembly comprises an extraction valve 1, a condenser 2, a heat exchanger 3, a gas-liquid separator 4, a vacuum pump 5, a silencer 6 and the like. The air extraction valve 1 is used for extracting water vapor and air; the heat exchanger 3 is used for heating the cleaning tank 14; the condenser 2 is used for condensing the water vapor pumped out from the cleaning tank 14 into air and liquid water; the gas-liquid separator 4 is used for separating a mixture of air and liquid water, the liquid water is stored in the separator, and the air is pumped out by a vacuum pump 5; a vacuum pump 5 for providing negative pressure to the cleaning tank 14; the muffler 6 serves to reduce noise.
The forced air drying assembly comprises a hot air inlet electric ball valve 7, a vortex air pump 9, a pipeline heater 8, a filter 10 and the like. The pipe heater 8 is used for heating cold air; the vortex air pump 9 is used for providing power for air flow; the filter 10 is used to filter air to prevent contamination of the instruments.
The drain assembly includes a drain pump 12 for draining and a drain motorized ball valve 13.
The exhaust assembly comprises an exhaust electric ball valve 11 matched with the blowing and drying assembly, and the exhaust electric ball valve 11 is opened to exhaust when the cleaning tank 14 is filled with hot air.
The principle of the vacuum drying method is that the pressure in the cleaning tank 14 is reduced, the gas expands along with the reduction of the pressure, the moisture in the tube cavity can be effectively removed under the condition of the pressure caused by the expansion of the moisture in the tube cavity, and the boiling point of the water can be reduced by reducing the pressure, so that the water can be evaporated in a lower environment, and the drying purpose is achieved.
The blast drying has the advantage of making up the defect of vacuum drying and effectively improving the drying efficiency of the instrument.
Further, a drying apparatus for carrying out the vacuum forced air drying method: including washing tank 14, 14 upside intercommunications of washing tank are equipped with air intake pipeline 15, and the downside intercommunication is equipped with drainage pipeline 16, still be provided with vacuum pipeline 17 on the washing tank 14, air intake pipeline 15 and the dry subassembly intercommunication of blast air, vacuum pipeline 17 and vacuum circuit subassembly intercommunication, drainage pipeline 16 and drainage subassembly intercommunication, drainage pipeline 16 intercommunication is equipped with exhaust pipeline 18, exhaust pipeline 18 and the subassembly intercommunication of airing exhaust.
Further, the washing device also comprises a rotating arm 19 which is rotatably connected with the inner upper wall of the washing tank 14, an air duct is arranged in the rotating arm 19, and the air duct is communicated with one end of the air inlet pipeline 15 extending into the washing tank 14; the rotating arm 19 is provided with a power air hole 20 and an air outlet 21; the power air hole 20 and the air outlet hole 21 are communicated with an air passage.
Has the advantages that: 1. the uncontrollable factor of manual drying is eliminated, and the management cost is reduced; 2. the problem of difficult drying inside the lumen instrument is solved; 3. after the cleaning is finished, the cleaning agent is not transferred and put into other drying equipment, so that the labor cost is reduced; 4. effectively solves the problem of low efficiency of only using vacuum drying.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The vacuum forced air drying method is characterized in that: comprises a pre-drying stage and a drying stage;
the pre-drying stage comprises the following sequential steps:
step A, opening a vacuum loop assembly to heat water in the cleaning tank to form water vapor, simultaneously extracting the water vapor and air in the cleaning tank, and maintaining for a period of time to discharge a large amount of water in the lumen instrument in the cleaning tank;
b, starting a blast drying assembly to introduce drying air into the cleaning tank, maintaining for a period of time, removing residual moisture in the cleaning tank and in or on the surfaces of the lumen instruments by matching with a drainage assembly, and removing the drying air in the cleaning tank by matching with an exhaust assembly;
step C, after the step A and the step B are executed, entering a drying stage;
the drying stage comprises the steps of:
step a, circulating the step A and the step B according to specific needs;
and b, finishing drying.
2. A drying apparatus for carrying out the vacuum forced air drying method according to claim 1: the air-blowing drying device is characterized by comprising a cleaning tank, wherein an air inlet pipeline is communicated with the upper side of the cleaning tank, a water drainage pipeline is communicated with the lower side of the cleaning tank, a vacuum pipeline is further arranged on the cleaning tank, the air inlet pipeline is communicated with an air-blowing drying assembly, the vacuum pipeline is communicated with a vacuum loop assembly, the water drainage pipeline is communicated with a water drainage assembly, an air drainage pipeline is communicated with the water drainage assembly, and the air drainage pipeline is communicated with an air exhaust assembly.
3. Drying apparatus according to claim 2, wherein: the washing device is characterized by also comprising a rotating arm which is rotatably connected to the inner upper wall of the washing tank, wherein an air duct is arranged in the rotating arm and is communicated with one end, extending into the washing tank, of the air inlet pipeline; the rotating arm is provided with a power air hole and an air outlet hole; the power air hole and the air outlet hole are communicated with the air passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011244918.2A CN112629166A (en) | 2020-11-09 | 2020-11-09 | Vacuum blast drying method and drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011244918.2A CN112629166A (en) | 2020-11-09 | 2020-11-09 | Vacuum blast drying method and drying device |
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| Publication Number | Publication Date |
|---|---|
| CN112629166A true CN112629166A (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011244918.2A Pending CN112629166A (en) | 2020-11-09 | 2020-11-09 | Vacuum blast drying method and drying device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112967960A (en) * | 2021-05-14 | 2021-06-15 | 中科长光精拓智能装备(苏州)有限公司 | Vacuum drum assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202461082U (en) * | 2012-02-28 | 2012-10-03 | 张家港市超声电气有限公司 | Swinging blowing mechanism for ultrasonic cleaning machine |
| CN207231104U (en) * | 2017-08-28 | 2018-04-13 | 重庆优玛环试医疗设备有限公司 | Vacuum drums air-dry drying system |
| CN208195103U (en) * | 2017-12-07 | 2018-12-07 | 柳州市北部科技服务有限公司 | Normal pressure freezing absorption cleaning drying integrated makeup for engineering mechanical components is set |
| CN208312897U (en) * | 2018-05-02 | 2019-01-01 | 陕西科技大学 | A kind of hot air vacuum combined drying equipment |
| JP2019217440A (en) * | 2018-06-19 | 2019-12-26 | 三浦工業株式会社 | Cleaning apparatus |
-
2020
- 2020-11-09 CN CN202011244918.2A patent/CN112629166A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202461082U (en) * | 2012-02-28 | 2012-10-03 | 张家港市超声电气有限公司 | Swinging blowing mechanism for ultrasonic cleaning machine |
| CN207231104U (en) * | 2017-08-28 | 2018-04-13 | 重庆优玛环试医疗设备有限公司 | Vacuum drums air-dry drying system |
| CN208195103U (en) * | 2017-12-07 | 2018-12-07 | 柳州市北部科技服务有限公司 | Normal pressure freezing absorption cleaning drying integrated makeup for engineering mechanical components is set |
| CN208312897U (en) * | 2018-05-02 | 2019-01-01 | 陕西科技大学 | A kind of hot air vacuum combined drying equipment |
| JP2019217440A (en) * | 2018-06-19 | 2019-12-26 | 三浦工業株式会社 | Cleaning apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112967960A (en) * | 2021-05-14 | 2021-06-15 | 中科长光精拓智能装备(苏州)有限公司 | Vacuum drum assembly |
| CN112967960B (en) * | 2021-05-14 | 2021-08-10 | 中科长光精拓智能装备(苏州)有限公司 | Vacuum drum assembly |
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