CN112984984A - Gas cylinder drying equipment and gas cylinder drying method - Google Patents
Gas cylinder drying equipment and gas cylinder drying method Download PDFInfo
- Publication number
- CN112984984A CN112984984A CN202110144848.1A CN202110144848A CN112984984A CN 112984984 A CN112984984 A CN 112984984A CN 202110144848 A CN202110144848 A CN 202110144848A CN 112984984 A CN112984984 A CN 112984984A
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- gas cylinder
- pipe
- drying
- controller
- gas
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/10—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in the open air; in pans or tables in rooms; Drying stacks of loose material on floors which may be covered, e.g. by a roof
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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
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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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
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
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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
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
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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
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/12—Velocity of flow; Quantity of flow, e.g. by varying fan speed, by modifying cross flow area
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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
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/18—Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan, rack
- F26B25/185—Spacers; Elements for supporting the goods to be dried, i.e. positioned in-between the goods to build a ventilated stack
Abstract
The invention provides a gas cylinder drying device and a gas cylinder drying method, the device comprises a dryer body and a gas cylinder placing frame, the dryer body comprises a controller, an air blower, a heater and a hot air transmission pipe, the hot air transmission pipe is detachably connected with a blow-off pipe through a blow-off pipe connector, a temperature and humidity sensor is arranged outside the blow-off pipe connector, a one-way electromagnetic valve is arranged inside the blow-off pipe connector, and the gas cylinder placing frame comprises a base and a gas cylinder limiting frame. The gas cylinder drying method based on the equipment is also provided, the gas cylinder to be dried is placed on the gas cylinder placing frame and connected with the blow-off pipe, and the controller controls the air blower, the heater and the one-way electromagnetic valve according to temperature and humidity data. Use this equipment to carry out the gas cylinder and dry, can carry out accurate control to the stoving progress, use and dry more thoroughly, gas cylinder is more stable among the stoving process, can dry the operation to a plurality of gas cylinders simultaneously, and is easy and simple to handle, has effectively improved drying efficiency.
Description
Technical Field
The invention relates to the technical field of industrial gas cylinder maintenance equipment, in particular to gas cylinder drying equipment and a gas cylinder drying method.
Background
When the high-pressure gas cylinder is used, particularly after a hydrostatic test, moisture is left in the gas cylinder, so that the inner surface of the gas cylinder is easily oxidized and corroded, the quality of stored gas and the service life of the gas cylinder are affected, and even potential safety hazards are brought, so that the inside of the gas cylinder needs to be dried regularly. At present, the air bottle drying mode mainly comprises an external heating method and an internal heating method, and because the external heating method is low in drying efficiency and complex in device structure, the internal heating method is mostly adopted in practical application, namely, air flow generated by an air blower is heated by a heating device and then is blown into the air bottle through a guide pipe to dry the air bottle. The flow rate of drying gas of the existing gas bottle drying device is not controllable, the drying degree is generally judged by using a method of touching the bottle body with hands, the judgment error is large, incomplete drying is easily caused, or energy is wasted due to excessive drying, and the drying efficiency is low. The guide pipe for blowing off the drying gas is usually a hard steel pipe or copper pipe, and when the drying operation is carried out, the air bottles need to be moved one by one and put down to be sleeved into the blowing guide pipe, so that the operation is time-consuming and labor-consuming, and the working efficiency is low.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a gas cylinder drying device which has higher automation degree and is more convenient to operate, and a gas cylinder drying method based on the drying device, wherein the technical scheme is as follows:
a gas cylinder drying device comprises a dryer body and a gas cylinder placing frame, wherein a blower is arranged on the dryer body, an air outlet of the blower is connected with a heater, an air outlet of the heater is connected with a hot air transmission pipe, a plurality of blowing pipe connectors are arranged on the hot air transmission pipe, blowing pipes facing downwards are detachably connected to the blowing pipe connectors, one-way electromagnetic valves are arranged inside the blowing pipe connectors, and temperature and humidity sensors are arranged outside the blowing pipe connectors; the gas cylinder placing frame comprises a base and a gas cylinder limiting frame fixedly arranged on the base, wherein the gas cylinder limiting frame can vertically limit a plurality of gas cylinders at positions corresponding to the lower part of the blowing pipe connector; the dryer body also comprises a controller, and the controller is in circuit connection with the blower, the heater, the temperature and humidity sensor and the one-way electromagnetic valve.
Preferably, the blower is a variable frequency blower and the controller comprises a variable frequency control unit.
Preferably, blow off and be provided with quick clamp on the union coupling, blow off and be connected through quick clamp between pipe coupling head.
Furthermore, a sealing gasket is arranged on the inner ring surface of the quick clamp.
Preferably, the outer wall of the hot air conveying pipe is provided with an insulating layer.
Preferably, the pipe wall of the middle lower section of the blowing pipe is provided with a plurality of small holes.
Preferably, the lower part of the base of the gas cylinder placing frame is provided with a travelling wheel.
A method of gas cylinder drying using the gas cylinder drying apparatus, comprising the steps of:
vertically placing a to-be-dried gas cylinder with a cylinder mouth removed on a gas cylinder placing frame, enabling an opening of the gas cylinder to be upward, and inserting a blow-off pipe into the to-be-dried gas cylinder;
secondly, pushing the gas cylinder placing rack to the lower part of the hot air transmission pipe, and enabling the positions of the gas cylinders to correspond to the positions of the blowing pipe connectors on the hot air transmission pipe;
connecting a blowing pipe in the gas cylinder to be dried with a blowing pipe connector;
starting a power switch, setting temperature and humidity control indexes of the controller, controlling the blower and the heater to start working by the controller, switching on a one-way electromagnetic valve, and drying and blowing hot air into the gas cylinder through a hot air transmission pipe and a blowing pipe;
the air dried and blown off inside the air bottle is discharged through the opening of the air bottle, the temperature and humidity of the air flow discharged from the air bottle are detected by a temperature and humidity sensor, the detected values are transmitted to a controller, and when the temperature and humidity of the discharged air reach set values, the controller controls a one-way electromagnetic valve in a blowing pipe connector to be disconnected;
when the temperature and humidity of the air discharged by each air bottle reach set values, the controller controls the blower and the heater to stop working;
and seventhly, detaching the blowing pipes from the blowing pipe connecting head, removing the gas cylinder placing frame, taking the blowing pipes out of the gas cylinder, and finishing the drying operation of the gas cylinder.
Preferably, the preset control indexes of the controller are that the temperature of the gas flow discharged by the gas cylinder is not lower than 60 ℃ and the humidity is not higher than 10%.
Compared with the prior art, the invention has the beneficial effects that:
(1) the design is reasonable, the operation is simple and convenient, the gas cylinder to be dried is quickly and conveniently connected to the blow-off pipe, the operation efficiency is effectively improved, and the workload of operators is reduced;
(2) the drying operation can be simultaneously carried out on a plurality of gas cylinders, the drying efficiency is improved, and the gas cylinders are more stable in the drying operation by arranging the gas cylinder placing rack;
(3) the drying process can be accurately controlled, the gas cylinder is dried more thoroughly, and energy waste caused by excessive drying can be effectively avoided.
Drawings
FIG. 1: the invention has the overall structure schematic diagram;
FIG. 2: the invention discloses a partial structure schematic diagram of a gas cylinder placing frame;
FIG. 3: the blowing pipe connector and the blowing pipe are partially in a structural schematic diagram.
In each figure: 1. a dryer body; 11. a blower; 12. a heater; 13. a hot air delivery pipe; 131. a flow meter; 14. blowing off the pipe connector; 15. blowing off the pipe; 16. a temperature and humidity sensor; 17. a controller; 18. a one-way solenoid valve; 19. quickly clamping a hoop; 191. a gasket; 2. a gas cylinder placing frame; 21. a base; 22. a gas cylinder limiting frame; 23. and (5) traveling wheels.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A gas cylinder drying device is shown by referring to fig. 1 and fig. 2 and comprises a dryer body 1 and a gas cylinder placing frame 2, wherein an air blower 11 is arranged on the dryer body 1, an air outlet of the air blower 11 is connected with a heater 12, an air outlet of the heater 12 is connected with a hot air transmission pipe 13, a plurality of blow-off pipe connectors 14 are arranged on the hot air transmission pipe 13, blow-off pipes 15 facing downwards are detachably connected to the blow-off connectors 14, a one-way electromagnetic valve 18 is arranged inside the blow-off pipe connectors 14, and a temperature and humidity sensor 16 is arranged outside the blow-off pipe connectors 14; the gas cylinder placing frame 2 comprises a base 21 and a gas cylinder limiting frame 22 fixedly arranged on the base 21, the gas cylinder limiting frame 22 can vertically limit a plurality of gas cylinders at a position corresponding to the lower part of the blowing pipe connector 14, in a specific application, as shown in figure 2, the gas cylinder limiting frame 22 comprises a plurality of rings arranged horizontally and a horizontal and vertical connecting beam fixedly connected to the base 21, the size of each ring is adapted to the outer diameter of each gas cylinder, and the positions distributed by the rings are corresponding to the distribution of the blowing pipe connector 14. The dryer body 1 is further provided with a controller 17, and the controller 17 is in circuit connection with the blower 11, the heater 12, the temperature and humidity sensor 16 and the one-way electromagnetic valve 18. In a specific application, the controller 17 uses an existing programmable industrial personal computer or a PLC controller, and presets a temperature and humidity control index and an equipment control instruction, the temperature and humidity sensor 16 is a commonly used air temperature and humidity sensor, and the sensing probe is arranged at the lower part of the blowing pipe connector 14, and can be a combined sensor or a temperature and humidity sensor.
The method for drying the gas cylinder by using the gas cylinder drying equipment comprises the following steps:
vertically placing a to-be-dried gas cylinder with a cylinder mouth removed on a gas cylinder placing frame 2, enabling an opening of the gas cylinder to be upward, and inserting a blow-off pipe 15 into the to-be-dried gas cylinder;
secondly, pushing the gas cylinder placing rack 2 to the lower part of the hot air transmission pipe 13, and enabling each gas cylinder to correspond to the position of a blowing pipe connector 14 on the hot air transmission pipe 13;
connecting a blowing pipe 15 in the gas cylinder to be dried with a blowing pipe connector 14;
starting a power switch, setting temperature and humidity control indexes of the controller 17, controlling the blower 11 and the heater 12 to start working by the controller 17, switching on a one-way electromagnetic valve 18, and drying and blowing hot air into the gas cylinder through a hot air transmission pipe 13 and a blowing pipe 15;
the gas for drying and blowing is discharged from the gas cylinder port, the temperature and humidity sensor 16 detects the temperature and humidity of the gas flow discharged from the gas cylinder and transmits the detected values to the controller 17, and when the temperature and humidity of the discharged air reach set values, the controller 17 controls the one-way electromagnetic valve 18 in the blowing pipe connector 14 to be disconnected;
when the temperature and humidity of the air flow discharged by each air bottle reach set values, the controller 17 controls the blower 11 and the heater 12 to stop working;
and seventhly, detaching the blow-off pipes 15 from the blow-off pipe connecting heads 14, removing the gas cylinder placing frame 2, taking the blow-off pipes 15 out of the gas cylinders, and finishing the drying operation of the gas cylinders.
The practical drying operation verifies that when the temperature of the drying gas exhausted from the gas cylinder is not lower than 60 ℃ and the humidity is not higher than 10%, the inside of the gas cylinder can be fully dried.
Compared with the prior art, the gas cylinder drying equipment and the gas cylinder drying method provided by the invention have the beneficial effects that: firstly, the operation is simple and convenient, the gas cylinder to be dried is connected to the blow-off pipe quickly and conveniently, the operation efficiency is effectively improved, and the workload of operators is reduced; secondly, a plurality of gas cylinders can be dried at the same time, so that the drying efficiency is improved, and the gas cylinders are more stable during the drying operation by arranging the gas cylinder placing rack; thirdly, the drying process can be accurately controlled, the gas cylinder can be dried more thoroughly, and energy waste caused by excessive drying can be effectively avoided.
In a preferred embodiment, the blower 11 is a variable frequency blower, the controller 17 comprises a variable frequency control unit, and a flow meter 131 is arranged in the hot air delivery pipe 13, and the flow meter 131 is electrically connected with the controller 17. When the velocity of flow of hot air transmission changes, through controller 17 control air-blower 11 operating frequency, make hot air transmission speed more steady, can guarantee on the one hand that the air through heater 12 is fully heated, on the other hand can ensure the effect of drying to the gas cylinder, can effectively prevent that air-blower 11 power is too big to burn out the machine simultaneously.
In the present solution, the blow-off pipe 15 is detachably connected to the blow-off pipe connector 14, and in a preferred embodiment, as shown in fig. 3, a quick clamp 19 is disposed on the blow-off pipe connector 14, the blow-off pipe 15 and the blow-off pipe connector 14 are connected by the quick clamp 19, and further, a sealing gasket 191 is disposed on an inner annular surface of the quick clamp 19. Through setting up quick clamp 19 on blow off union coupling head 14, can make the blow off pipe 15 that inserts in treating the gas cylinder of drying be connected with blow off union coupling head 15 convenient and fast ground more, quick clamp 19 internal ring face sets up sealed pad 191 and can make the junction have better leakproofness, prevents that hot-air leakage from losing. The quick clamp 19 can be fixedly arranged on the blow-off pipe connector 14 in a welding or riveting mode, so that the number of scattered parts is reduced, and the operation is more convenient. In other embodiments, the blow-off tube 15 may be threadably attached to the blow-off tube connector 14.
In a preferred embodiment, the outer wall of the hot air delivery pipe 13 is provided with an insulating layer, and in a specific application, the outer wall of the hot air delivery pipe 13 can be wrapped with an insulating material such as foam, sponge and the like, so that heat can be effectively prevented from being dissipated in the delivery process.
In a preferred embodiment, as shown in fig. 3, the blowing pipe 15 has a plurality of small holes on the pipe wall at the middle and lower sections thereof, so that hot air can be sprayed out from the small holes to the two sides of the pipe wall, the contact area between the hot air and the inner wall of the gas cylinder is increased, the temperature exchange is accelerated, and the drying efficiency is improved.
In a preferred embodiment, as shown in fig. 2, the base 21 of the gas cylinder placing rack 2 is provided with a walking wheel 23, which may be a spherical universal wheel, and the walking wheel 23 is arranged to make the gas cylinder placing rack 2 move more flexibly, so that the gas cylinder placing rack 2 is pushed to a position corresponding to the lower part of the blow-off pipe connector 14, thereby reducing the workload of the operator.
In conclusion, the gas cylinder drying equipment and the gas cylinder drying method adopting the equipment provided by the invention effectively solve the problems of inconvenient operation, low drying efficiency and uncontrollable drying process of the existing gas cylinder drying device, and have practical use significance of positive effects.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. The utility model provides a gas cylinder drying equipment, includes drying-machine body (1) and gas cylinder rack (2), be equipped with air-blower (11) on drying-machine body (1), air-blower (11) air outlet is connected with heater (12), the gas outlet of heater (12) is connected with hot-air transmission pipe (13), its characterized in that: a plurality of blowing pipe connectors (14) are arranged on the hot air transmission pipe (13), each blowing pipe connector (14) is detachably connected with a blowing pipe (15) facing downwards, a one-way electromagnetic valve (18) is arranged inside each blowing pipe connector (14), and a temperature and humidity sensor (16) is arranged outside each blowing pipe connector (14); the gas cylinder placing frame (2) comprises a base (21) and a gas cylinder limiting frame (22) fixedly arranged on the base (21), wherein the gas cylinder limiting frame (22) can vertically limit a plurality of gas cylinders at positions corresponding to the lower part of the blowing pipe connector (14); the dryer body (1) further comprises a controller (17), and the controller (17) is in circuit connection with the air blower (11), the heater (12), the temperature and humidity sensor (16) and the one-way electromagnetic valve (18).
2. A gas cylinder drying apparatus as claimed in claim 1, characterized in that: the air blower (11) is a variable frequency air blower, the controller (17) comprises a variable frequency control unit, a flow meter (131) is arranged in the hot air transmission pipe (13), and the flow meter (131) is electrically connected with the controller (17).
3. A gas cylinder drying apparatus as claimed in claim 1, characterized in that: be provided with quick clamp (19) on blowing pipe connector (14), blowing pipe (15) with pass through between blowing pipe connector (14) quick clamp (19) are connected.
4. A gas cylinder drying apparatus as claimed in claim 3, characterized in that: and a sealing gasket (191) is arranged on the inner annular surface of the quick clamp (19).
5. A gas cylinder drying apparatus as claimed in claim 1, characterized in that: and the outer wall of the hot air transmission pipe (13) is provided with an insulating layer.
6. A gas cylinder drying apparatus as claimed in claim 1, characterized in that: and the middle-lower section pipe wall of the blowing pipe (15) is provided with a plurality of small holes.
7. A gas cylinder drying apparatus as claimed in claim 1, characterized in that: and a travelling wheel (23) is arranged at the lower part of the base (21).
8. A method of gas cylinder drying using the gas cylinder drying apparatus of any one of claims 1 to 7, characterized by: comprises the following steps of (a) carrying out,
vertically placing a to-be-dried gas cylinder with a cylinder mouth removed on a gas cylinder placing frame (2), enabling an opening of the gas cylinder to be upward, and inserting a blow-off pipe (15) into the to-be-dried gas cylinder;
secondly, pushing the gas cylinder placing rack (2) to the lower part of the hot air transmission pipe (13), and enabling the positions of the gas cylinders to correspond to the positions of the blowing pipe connectors (14) on the hot air transmission pipe (13);
connecting a blowing pipe (15) in the gas cylinder to be dried with a blowing pipe connector (14);
starting a power switch, setting temperature and humidity control indexes of the controller (17), controlling the blower (11) and the heater (12) to start working by the controller (17), switching on a one-way electromagnetic valve (18), and drying and blowing hot air into the gas cylinder through a hot air transmission pipe (13) and a blowing pipe (15);
the gas for drying and blowing is discharged from the gas cylinder port, the temperature and humidity sensor (16) detects the temperature and humidity of the gas flow discharged from the gas cylinder and transmits the detected values to the controller (17), and when the temperature and humidity of the discharged air reach set values, the controller (17) controls the one-way electromagnetic valve (18) in the blowing pipe connector (14) to be disconnected;
when the temperature and humidity of the air flow discharged by each air bottle reach set values, the controller (17) controls the blower (11) and the heater (12) to stop working;
and seventhly, detaching the blowing pipes (15) from the blowing pipe connecting head (14), removing the gas cylinder placing frame (2), taking the blowing pipes (15) out of the gas cylinder, and finishing the drying operation of the gas cylinder.
9. A gas cylinder drying method as claimed in claim 8, characterized in that: the preset control indexes of the controller (17) are that the temperature of the gas cylinder exhaust gas flow is not lower than 60 ℃, and the humidity is not higher than 10%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110144848.1A CN112984984A (en) | 2021-02-02 | 2021-02-02 | Gas cylinder drying equipment and gas cylinder drying method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110144848.1A CN112984984A (en) | 2021-02-02 | 2021-02-02 | Gas cylinder drying equipment and gas cylinder drying method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112984984A true CN112984984A (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110144848.1A Pending CN112984984A (en) | 2021-02-02 | 2021-02-02 | Gas cylinder drying equipment and gas cylinder drying method |
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| Country | Link |
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| CN (1) | CN112984984A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2629572A1 (en) * | 1988-04-05 | 1989-10-06 | Siraga Ind | Device for draining various products, and more particularly gas cylinders |
| CN102901324A (en) * | 2012-10-31 | 2013-01-30 | 杭州中亚机械股份有限公司 | Preheating and drying device for sterilizing filling equipment |
| CN206974120U (en) * | 2017-07-11 | 2018-02-06 | 珠海大林湾工业气体有限公司 | A kind of gas cylinder fast-drying device |
| CN109140971A (en) * | 2018-09-10 | 2019-01-04 | 安顺市平坝区十字乡十字村上坝种植场 | A kind of drying device of Green Tea Processing |
| CN110360815A (en) * | 2019-07-23 | 2019-10-22 | 中国农业大学 | A kind of hot wind of Temperature and Humidity Control and vacuum impulse combined drying method and equipment |
| CN211782396U (en) * | 2019-10-24 | 2020-10-27 | 江苏亚洲气体设备有限公司 | Drying device of gas cylinder |
-
2021
- 2021-02-02 CN CN202110144848.1A patent/CN112984984A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2629572A1 (en) * | 1988-04-05 | 1989-10-06 | Siraga Ind | Device for draining various products, and more particularly gas cylinders |
| CN102901324A (en) * | 2012-10-31 | 2013-01-30 | 杭州中亚机械股份有限公司 | Preheating and drying device for sterilizing filling equipment |
| CN206974120U (en) * | 2017-07-11 | 2018-02-06 | 珠海大林湾工业气体有限公司 | A kind of gas cylinder fast-drying device |
| CN109140971A (en) * | 2018-09-10 | 2019-01-04 | 安顺市平坝区十字乡十字村上坝种植场 | A kind of drying device of Green Tea Processing |
| CN110360815A (en) * | 2019-07-23 | 2019-10-22 | 中国农业大学 | A kind of hot wind of Temperature and Humidity Control and vacuum impulse combined drying method and equipment |
| CN211782396U (en) * | 2019-10-24 | 2020-10-27 | 江苏亚洲气体设备有限公司 | Drying device of gas cylinder |
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Application publication date: 20210618 |