CN214582103U - Rapid vacuum drying device adopting hot air conduction and electric heat conduction - Google Patents

Abstract

The utility model belongs to the technical field of vacuum dry noise, specifically disclose a quick vacuum drying device adopting hot air conduction and electric heat conduction, including the drying cabin, be fixed with multilayer electric heat plywood in the drying cabin, the quick vacuum drying device adopting hot air conduction and electric heat conduction still includes the heating plate that sets up in the drying cabin outer wall, sets up a plurality of tuber pipes on every layer of electric heat plywood, sets up vacuum pump and electric hot air box outside the drying cabin, and the hot air outlet of electric hot air box passes through pipeline and tuber pipe intercommunication, and the equipartition has a plurality of pores on the pipe wall of tuber pipe, and the air inlet of vacuum pump passes through the bottom of tube coupling drying cabin; the top of the drying cabin is provided with an exhaust port. Compared with the prior art, the utility model discloses can dry article rapidly, the dry noise is fast, efficient.

Description

Rapid vacuum drying device adopting hot air conduction and electric heat conduction

Technical Field

The utility model relates to a vacuum dry noise technical field, especially a adopt quick vacuum drying device of hot-blast conduction and electric heat conduction.

Background

The vacuum drying technology is mainly applied to vacuum drying cabinets, reduced-pressure boiling cleaning machines and low-temperature sterilizers, and the products are widely applied to the medical industry and are mainly used for drying and sterilizing repeatedly used medical instruments and instruments after cleaning.

The vacuum drying technique on the market is mainly through heating for the drying bulkhead, for example chinese utility model patent application number is CN 201420553728.2's patent, utilizes the heat conduction on the air with the drying bulkhead to treating dry article and promote the temperature of treating dry article, utilizes the principle that water boiling point reduces under the negative pressure again, steps down to bleeding in the drying cabin, makes water reach the boiling point and evaporate for steam under the negative pressure, and the rethread vacuum pump is taken steam out in order to reach dry purpose. The method utilizes the air to conduct heat with low efficiency and low speed, and because the hot air moves upwards, the lower articles and the upper articles in the cabin are heated unevenly, so that the lower articles are not dried thoroughly.

For example, the chinese utility model patent application No. CN201620220635.7, the above solution is added with a laminate constant temperature system, the laminate constant temperature system is mainly provided with a water tank, a heater is arranged in the water tank to heat water, and a water pump is used to pump the hot water to the laminate to heat the object to be dried. But the structure is complex, a water tank is added, and a float switch, an electric heater and a water pump for controlling the liquid level of the water tank are also needed. The most important is that the water circulation has volatilization loss, water needs to be added into the water tank at regular time, and the use difficulty and the maintenance and repair fault points of a user are increased.

In conclusion, whether air heat conduction is utilized or water circulation constant-temperature heat conduction is added is not an optimal scheme, and the air heat conduction device is low in air heat conduction efficiency, low in speed, uneven in heating and incomplete in drying. The water circulation constant temperature heat conduction structure is complicated, the cost is high, the use difficulty of a user is increased, and the maintenance and repair fault points are increased.

Disclosure of Invention

The utility model discloses a slow to current vacuum drying speed, inefficiency, the uneven drying of being heated is not thorough, and is with high costs, uses inconvenient scheduling problem, provides a quick vacuum drying device who adopts hot-blast conduction and electric heat conduction.

In order to achieve the purpose, the utility model is implemented according to the following technical scheme:

a rapid vacuum drying device adopting hot air conduction and electric heat conduction comprises a drying cabin, wherein a plurality of layers of electric heating layer plates are fixed in the drying cabin, the rapid vacuum drying device adopting hot air conduction and electric heat conduction further comprises a heating sheet arranged on the outer wall of the drying cabin, a plurality of air pipes arranged on each layer of electric heating layer plate, a vacuum pump and an electric heating air box arranged outside the drying cabin, a hot air outlet of the electric heating air box is communicated with the air pipes through pipelines, a plurality of fine holes are uniformly distributed on the pipe walls of the air pipes, and an air inlet of the vacuum pump is connected with the bottom of the drying cabin through a pipeline; an air outlet is formed in the top of the drying cabin.

The technical scheme of the utility model blow hot-blastly toward the drying cabin through the hot-blast case, through the tuber pipe with hot-blastly even diffusion conduction to treating dry article, start the electric heat piece on the drying cabin simultaneously and the electric rod in the electric heat plywood respectively to dry bulkhead and electric heat plywood heating, the bulkhead heat passes through air radiation to treating dry article, the electric heat plywood is direct with heat conduction to treating dry article. The temperature of the objects to be dried in the drying cabin is uniformly and rapidly raised, the drying cabin is pumped and depressurized through the vacuum pump, the moisture in the drying cabin is rapidly evaporated and vaporized into water vapor under vacuum by utilizing the principle that the boiling point of water is reduced under negative pressure, and the water vapor is pumped out, so that the effect of rapid vacuum drying is achieved.

Furthermore, the electric heating layer plate is composed of a plurality of metal rods, each metal rod is internally provided with an electric heating rod, and the articles to be dried are placed on the electric heating layer plate. The object to be dried is placed on the electric heating laminate and can be directly heated.

Furthermore, in order to facilitate the control of the hot air to enter the drying cabin through the air pipe, an air inlet electromagnetic valve is arranged on a pipeline between a hot air outlet of the electric hot air box and the air pipe.

Further, an exhaust electromagnetic valve is arranged at an exhaust port at the top of the drying cabin.

Furthermore, in order to clean the air entering the drying cabin and avoid polluting the objects to be dried, an air filter is arranged at a cold air inlet of the electric hot air box.

Preferably, a high-pressure fan and an electric heating tube are arranged in the electric heating air box, the electric heating tube is arranged at a hot air outlet of the electric heating air box, and an air outlet of the high-pressure fan faces the electric heating tube.

Compared with the prior art, the utility model discloses a hot-blast case blows hot-blastly toward the drying cabin in, through the tuber pipe with hot-blast even diffusion conduction to treating dry article, starts the electric heat piece on the drying cabin and the electric rod in the electric heat plywood respectively to drying bulkhead and plywood heating simultaneously, the bulkhead heat passes through air radiation to treating dry article, and the electric heat plywood is direct with heat conduction to treating dry article. The temperature of the objects to be dried in the drying cabin is uniformly and rapidly raised, the drying cabin is pumped and depressurized through the vacuum pump, the moisture in the drying cabin is rapidly evaporated and vaporized into water vapor under vacuum by utilizing the principle that the boiling point of water is reduced under negative pressure, and the water vapor is pumped out, so that the effect of rapid vacuum drying is achieved.

The utility model discloses can dry article rapidly, the dry noise is fast, efficient.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. The specific embodiments described herein are merely illustrative of the invention and do not limit the invention.

As shown in fig. 1, the rapid vacuum drying device using hot air conduction and electric heat conduction comprises a drying cabin 1, wherein a plurality of layers of electric heating layer plates 6 are fixed in the drying cabin 1, the rapid vacuum drying device using hot air conduction and electric heat conduction further comprises a heating sheet arranged on the outer wall of the drying cabin 1, a plurality of air pipes 7 arranged on each layer of electric heating layer plate 6, a vacuum pump 2 and an electric heating air box 4 arranged outside the drying cabin 1, and an object to be dried is placed on the electric heating layer plates 6 and can be directly heated; the heating sheet is also used for heating the drying cabin 1 to continuously provide heat for the drying cabin 1; a hot air outlet of the electric hot air box 4 is communicated with an air pipe 7 through a pipeline, and an air inlet electromagnetic valve 5 is arranged on the pipeline between the hot air outlet of the electric hot air box 4 and the air pipe 7; a plurality of pores are uniformly distributed on the wall of the air pipe 7, and the pores on the air pipe 7 are used for uniformly diffusing hot air blown out by the electric heating air box 4 to the surface of an article; an air inlet of the vacuum pump 2 is connected with the bottom of the drying cabin 1 through a pipeline; an exhaust port is formed in the top of the drying cabin 1, an exhaust electromagnetic valve 8 is arranged at the exhaust port in the top of the drying cabin 1, and the exhaust electromagnetic valve 8 is used for exhausting. When the drying cabin 1 is inflated, the air inlet electromagnetic valve 5 and the air outlet electromagnetic valve 8 are opened, the high-pressure fan and the electric heating pipe in the electric heating air box 4 are started simultaneously, and the air pipe 7 uniformly diffuses the filtered and heated air into the drying cabin 1. In the embodiment, hot air is blown into the drying cabin 1 through the hot air box 4, the hot air is uniformly diffused and conducted to an article to be dried through the air pipe 7, the electric heating sheet on the drying cabin 1 and the electric heating rod in the electric heating layer plate 6 are started to heat the wall of the drying cabin 1 and the electric heating layer plate 6 respectively, the cabin wall heat is radiated to the article to be dried through air, and the electric heating layer plate 6 directly conducts the heat to the article to be dried. Make the even rapid rising of the interior article temperature of treating drying of cabin, rethread vacuum pump 2 steps down to bleeding in the drying chamber 1, utilizes the principle that water boiling point reduces under the negative pressure, impels the rapid evaporation of moisture under the vacuum in the drying chamber 1 to vaporize for steam to take steam out, reach the effect of quick vacuum drying of making an uproar.

In this embodiment, the electric heating layer plate 6 is composed of a plurality of metal rods, each metal rod is internally provided with an electric heating rod, and the object to be dried is placed on the electric heating layer plate 6 and can be directly heated.

In this embodiment, the cold air inlet of the electric hot air box 4 is provided with the air filter 3, and the air filter 3 is used for filtering air, so that the air entering the drying cabin 1 is clean, and the pollution to the articles to be dried is avoided.

In this embodiment, a high-pressure fan and an electric heating tube are disposed in the electric heating air box 4, the electric heating tube is disposed at a hot air outlet of the electric heating air box 4, and an air outlet of the high-pressure fan faces the electric heating tube.

When the rapid vacuum drying device adopting hot air conduction and electric heat conduction of the embodiment is used for drying articles, the specific operation steps are as follows:

step one, preheating: firstly, heating sheets on the outer wall of the drying cabin 1 are started to heat the drying cabin 1, and the heat on the wall of the drying cabin 1 is transferred to the to-be-dried object through air so as to raise the temperature of the to-be-dried object.

Simultaneously, the electric heating rod in the electric heating layer plate 6 is started, the layer plate is heated through the electric heating rod, and heat is conducted to the object to be dried, so that the temperature of the object to be dried is raised

And then the hot air is blown by the hot air box 4 and is uniformly diffused to the surface of the object to be dried through the air pipe 7, so that the temperature of the object to be dried is raised.

Step two, vacuumizing: and starting the vacuum pump 2 to extract air in the dry noise cabin 1 so as to reduce the pressure in the dry noise cabin 1, and promoting the water in the cabin to be rapidly evaporated into water vapor and pumped out by utilizing the principle that the boiling point of water is reduced under negative pressure. After the drying cabin 1 is vacuumized, the heat of the cabin wall cannot be conducted to the to-be-dried articles due to the fact that the vacuum does not conduct heat, the electric heating layer plate 6 is in direct contact with the to-be-dried articles, the solid electric heating layer plate can continuously conduct heat to the to-be-dried articles until the to-be-dried articles cannot continuously evaporate water vapor in the vacuum due to low temperature, and vacuumizing is stopped at the moment.

Step three, inflating: opening the exhaust electromagnetic valve 8 and the air inlet electromagnetic valve 5, starting the high-pressure fan and the electric heating tube in the electric hot air box 4, filtering the air by the air filter 3, then reaching the air pipe 7, uniformly diffusing the hot air to the surface of the object to be dried by the air pipe 7, continuously blowing the hot air for several seconds until the cabin is flatly pressed, closing the exhaust electromagnetic valve 8 and the air inlet electromagnetic valve 5 after the temperature in the cabin rises, and stopping the electric hot air box 4 from working.

Fourthly, vacuumizing again: the vacuum pump 2 is started again to exhaust, and the moisture in the dry noise cabin 1 is continuously vaporized and exhausted.

The vacuumizing and the inflating are repeatedly circulated until the moisture in the dry-noise cabin 1 is vaporized and pumped out, so as to achieve the purpose of rapidly drying the noise.

The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.

Claims (6)

1. The utility model provides an adopt quick vacuum drying device of hot-blast conduction and electric heat conduction, includes drying cabin (1), drying cabin (1) internal fixation has multilayer electric heat plywood (6), its characterized in that: the rapid vacuum drying device adopting hot air conduction and electric heat conduction further comprises a heating sheet arranged on the outer wall of the drying cabin (1), a plurality of air pipes (7) arranged on each layer of electric heating laminated plate (6), and a vacuum pump (2) and an electric heating air box (4) arranged outside the drying cabin (1), wherein a hot air outlet of the electric heating air box (4) is communicated with the air pipes (7) through pipelines, a plurality of pores are uniformly distributed on the pipe wall of each air pipe (7), and an air inlet of the vacuum pump (2) is connected with the bottom of the drying cabin (1) through a pipeline; the top of the drying cabin (1) is provided with an exhaust port.

2. The rapid vacuum drying apparatus using hot air conduction and electrothermal conduction according to claim 1, wherein: the electric heating layer plate (6) is composed of a plurality of metal rods, each metal rod is internally provided with an electric heating rod, and articles to be dried are placed on the electric heating layer plate (6).

3. The rapid vacuum drying apparatus using hot air conduction and electrothermal conduction according to claim 1, wherein: an air inlet electromagnetic valve (5) is arranged on a pipeline between a hot air outlet of the electric hot air box (4) and the air pipe (7).

4. The rapid vacuum drying apparatus using hot air conduction and electrothermal conduction according to claim 1, wherein: an exhaust electromagnetic valve (8) is arranged at an exhaust port at the top of the drying cabin (1).

5. The rapid vacuum drying apparatus using hot air conduction and electrothermal conduction according to claim 1, wherein: and a cold air inlet of the electric hot air box (4) is provided with an air filter (3).

6. The rapid vacuum drying apparatus using hot air conduction and electrothermal conduction according to claim 1, wherein: the electric heating air box (4) is internally provided with a high-pressure fan and an electric heating tube, the electric heating tube is arranged at a hot air outlet of the electric heating air box (4), and an air outlet of the high-pressure fan faces the electric heating tube.

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