CN205580098U - Anti -oxidation flash dryer - Google Patents

Abstract

The utility model discloses an anti-oxidation fast dryer, which comprises a shell, a thermal insulation layer, an inner tank, a sealing cover and a lock, a heating jacket is interposed between the inner tank and the thermal insulation layer, and a heat insulation board is arranged at the bottom of the inner tank and the heating jacket ;There is a circular rotating loading tray inside the inner tank, the bottom of the rotating loading tray is connected to the drive motor through the rotating shaft, and the upper surface of the rotating loading tray is equipped with arc-shaped guide fan blades; the upper edge of the inner tank is equipped with a desiccant Carrier plate; the heat shield is provided with a temperature measuring instrument and four float valves, and the housing is provided with a power interface, a rotation speed knob for controlling the motor, a temperature adjustment knob for controlling the temperature, and the floating valve. The valve is connected to an air inlet connected to the nitrogen tank, and the sealing cover is provided with a gas flow meter and an exhaust port. The utility model is dried in a nitrogen environment, which effectively prevents the material from deteriorating. In addition, the airflow circulation is strengthened by the guide fan blade, so the drying efficiency is high and the energy consumption is low.

Description

An anti-oxidation fast dryer

technical field

The utility model relates to chemical equipment, in particular to an anti-oxidation fast dryer.

Background technique

At present, most of the dryers used in the device laboratory are vacuum drying ovens and ordinary constant temperature drying ovens. The samples with low ignition points such as ferrous sulfide prepared in the laboratory are easily oxidized. If ordinary drying ovens are used, drying at low temperature will take a long time. And the sample is easy to oxidize and deteriorate, and the vacuum drying oven often has oxidation phenomenon because it cannot guarantee a sufficient vacuum degree, and due to the vacuum, the heat transfer efficiency is low and the drying is slow.

The patent with the publication number CN204535360U discloses an electric heating drying box device, which includes a box body and a drawer box. The space is divided into several connected operation rooms, and a heating plate is installed at the bottom of the box. The disadvantage of this instrument is that the heating plate is located at the bottom, the space division leads to uneven temperature and it is difficult to control, and the whole system is not isolated from air, nor can it prevent oxidation.

The chemical nature of nitrogen is inactive, and it is difficult to react with other substances. It only reacts with certain substances under high temperature and high energy conditions.

Utility model content

The technical problem to be solved by the utility model is to provide an anti-oxidation fast dryer, which can dry in a nitrogen environment and effectively prevent material from deteriorating. In addition, the air circulation is strengthened by the guide fan blades, so the drying efficiency is high and the energy consumption is low.

In order to achieve the above purpose, the technical solution adopted by the utility model is: an anti-oxidation quick dryer, including an outer shell, an insulating layer, an inner container and a sealing cover, and the outer shell, the insulating layer, and the inner container are sequentially socketed from outside to inside , the sealing cover and the outer shell are hinged, and the edge of the sealing cover is provided with snap locks, the insulation layer and the inner tank are both cylindrical, the upper edge of the outer shell is flush with the upper edge of the insulation layer, and the inner The upper edge of the liner is bent outward and is lower than the upper edge of the shell and the insulation layer, a heating jacket is interposed between the side wall of the liner and the side wall of the insulation layer, and a heat insulation board is arranged at the bottom of the liner and the heating jacket;

There is a circular rotating loading tray inside the liner. The bottom of the rotating loading tray is connected to the drive motor through a rotating shaft. The upper surface of the rotating loading tray is equipped with arc-shaped guide fan blades. The driving motor is installed on the outer shell and the heat insulation Between the plates, the rotating shaft passes through the heat shield and is sealed with the heat shield through the shaft seal;

The upper edge of the liner is provided with a desiccant carrier, and the desiccant is laid on the desiccant carrier;

The heat shield is provided with a temperature measuring instrument and four float valves, and the housing is provided with a power interface, a speed knob for controlling the motor, a temperature adjustment knob for controlling the temperature, and communicated with the float valves. The air inlet is connected to the nitrogen tank, and the sealing cover is provided with a gas flow meter and an exhaust port.

Preferably, the length of the guide fan blades is a quarter of the diameter of the rotating object tray, and the fan guide blades are in a uniform circular array around the center of the rotating object tray.

Preferably, the sealing cover is provided with a sealing strip matching the upper edge of the housing.

Preferably, the desiccant carrier plate is uniformly provided with air holes smaller than the diameter of the desiccant particles; a material circle is provided on the rotating loading tray, and the guide fan blade is located outside the material circle, and the height of the material circle is smaller than that of the guide fan. The height of the slice.

The beneficial effects produced by adopting the above technical solution are: the utility model can dry the materials in the nitrogen environment to prevent the materials from oxidizing and deteriorating; in addition, the arc-shaped guide fan blades can guide the surrounding dry air to the rotating loading tray. Materials, so that the airflow blows to the materials from all sides regularly, improves the heat transfer efficiency, accelerates the drying process, and has lower energy consumption and smaller volume than the bellows of ordinary dryers.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.

Fig. 1 is a sectional view of the utility model.

Fig. 2 is a top view of the desiccant carrier in Fig. 1 .

In the figure: 1, shell 2, insulation layer 3, liner 4, sealing cover 5, heating jacket 6, latch 7, rotating loading tray 8, rotating shaft 9, driving motor 10, desiccant carrier plate 11, temperature measuring instrument 12. Float valve 13, heat shield 14, power interface 15, air inlet 16, exhaust port 17, gas flow meter 18, sealing strip 19, air hole 20, guide fan blade 21, material ring.

detailed description

Referring to accompanying drawings 1 and 2, the structure of a specific embodiment of the present invention includes an outer shell 1, an insulating layer 2, an inner container 3 and a sealing cover 4, and the outer shell 1, the insulating layer 2 and the inner container 3 are sequentially set from outside to inside connected, the sealing cover 4 and the shell 1 are hinged, the edge of the sealing cover 4 is provided with a latch 6, the heat insulating layer 2 and the inner tank 3 are both cylindrical, and the upper edge of the shell 1 and the heat insulating The upper edge of the layer 2 is flush, the upper edge of the liner 3 is bent outward and lower than the upper edge of the shell 1 and the insulation layer 2, and a heating jacket is interposed between the side wall of the liner 3 and the side wall of the insulation layer 2 5. A heat insulation board 13 is provided at the bottom of the inner tank 3 and the heating jacket 5; a circular rotating loading tray 7 is arranged inside the inner tank 3, and the bottom of the rotating loading tray 7 is connected to the driving motor 9 through the rotating shaft 8, and the rotating loading tray 7 The upper surface of the upper surface is provided with an arc-shaped guide fan blade 20, the drive motor 9 is installed between the shell 1 and the heat shield 13, the rotating shaft 8 passes through the heat shield 13 and is sealed and connected with the heat shield 13 through a shaft seal; The upper edge of the liner 3 is provided with a desiccant carrier plate 10, and a desiccant is laid on the desiccant carrier plate 10; a temperature measuring instrument 11 and four float valves 12 are arranged on the heat insulation plate 13, and the outer shell 1 A power interface 14, a speed knob for controlling the motor 9, a temperature adjustment knob for controlling the temperature, and an air inlet 15 communicating with the float valve 12 are provided on the top, the air inlet 15 is connected to a nitrogen tank, and the sealing The cover 4 is provided with a gas flow meter 17 and an exhaust port 16 .

The length of the fan guide blades 20 is a quarter of the diameter of the rotating object tray 7 , and the fan guide blades 20 are in a uniform circular array around the center of the rotating object tray 7 . The guide fan blade 20 guides the dry and hot air around the rotating loading tray 7 to the materials on the rotating loading tray 7 .

A sealing strip 18 matching the upper edge of the housing 1 is provided on the sealing cover 4 . The sealing cover 4 and the sealing rubber strip 18 play a good sealing role.

The desiccant carrier plate 10 is uniformly provided with air holes 19 smaller than the diameter of the desiccant particles; the rotating loading tray 7 is provided with a material circle 21, and the guide fan blade 20 is located outside the material circle 21, and the material circle 21 The height is less than the height of the guide vanes 20 . The material circle 21 prevents the material from scattering outwards.

The working principle of the utility model is: the drying process is divided into four steps, which are followed by placing materials and desiccant, discharging air in the inner tank 3, heating and drying, and taking out materials. The specific steps are described in detail below.

The first step: place the material in the material 21 of the rotating loading tray 7, then put the desiccant carrier 10 on the top of the inner tank 3 and place the desiccant on the desiccant carrier 10, cover the sealing cover 4 and pass The latch 6 locks the sealing cover 4 dead.

Step 2: Open the air inlet 15 and the exhaust port 16, the nitrogen in the nitrogen tank enters the inner tank 3 from the inlet 15, adjust the flow rate of the nitrogen gas, and gradually squeeze the air in the inner tank 3 from the exhaust port 16 After making the inner bag 3 full of nitrogen, close the air inlet 15 and the exhaust port 16, and the gas flow meter 17 is used to measure the volume of the exhaust gas.

The third step: the power connector 14 is energized, and the rotation speed of the drive motor 9 and the temperature in the inner tank 3 are respectively adjusted through the rotation speed knob and the temperature adjustment knob, so that the rotation speed of the rotating loading tray 7 is suitable, and the temperature suitable for drying the material is adjusted, and the temperature is measured. The instrument 11 detects the temperature inside the inner tank 3 in real time. When the rotating loading tray 7 rotates, the guide fan 20 guides the surrounding dry and hot nitrogen to the material and then rises. The nitrogen takes away the moisture of the material and flows to the desiccant carrier 10. The rising nitrogen is absorbed by the desiccant and then diffuses and descends to the surroundings, entering the next air circulation. Under the action of the air circulation, the drying of the material is accelerated.

Step 4: After the drying is completed, power off the power connector 14, open the lock 6 and the sealing cover 4, take out the desiccant and the desiccant carrier plate 10, and finally take out the materials.

In addition, the utility model can also be used for the preservation of dry materials at normal temperature.

The above description is only proposed as an implementable technical solution of the utility model, not as a single restriction on the technical solution itself.

Claims (4)

1. an anti-oxidation flash dryer, including shell, heat-insulation layer, inner bag and sealing lid, described shell, heat-insulation layer and inner bag ecto-entad are socketed successively, described sealing is covered and described housing hinge, close cover rim is provided with kayser, it is characterized in that: described heat-insulation layer and described inner bag are cylindrical shape, the upper edge of described shell with on heat-insulation layer along concordant, the upper edge of inner bag outwards bends and less than shell and the upper edge of heat-insulation layer, sandwiched heating mantle between side wall of inner and described heat-insulation layer sidewall, arranges thermal insulation board bottom inner bag and heating mantle；

Inner bag is internally provided with the rotation pallet of circle, rotate to be connected by rotating shaft bottom pallet and drive motor, the upper surface rotating pallet is provided with the wind-guiding fan blades of arc, described driving motor is arranged between shell and thermal insulation board, and rotating shaft is tightly connected through thermal insulation board and by axle envelope with thermal insulation board；

The upper of described inner bag has desiccant support plate along erection, and desiccant support plate is laid desiccant；

Temperature measuring set and four float valves it are provided with on described thermal insulation board, power interface it is provided with, for controlling the rotating speed knob of motor, for the temperature adjustment knob controlling temperature and the air inlet being connected with described float valve on described shell, air inlet connects nitrogen pot, and described sealing covers and is provided with gas flowmeter and air vent.

Anti-oxidation flash dryer the most according to claim 1, it is characterised in that: 1/4th of a length of described rotation pallet diameter of described wind-guiding fan blades, wind-guiding fan blades by rotate pallet the center of circle centered by uniform circular array.

Anti-oxidation flash dryer the most according to claim 1, it is characterised in that: described sealing covers and is provided with the sealing joint strip that the upper edge with described shell is mated.

4. according to the anti-oxidation flash dryer described in any one of claim 1-3, it is characterised in that: described desiccant support plate uniformly offers the pore less than desiccant particle diameter；Described rotation pallet is provided with material circle, and described wind-guiding fan blades is positioned at the outside of material circle, and the height of material circle is less than the height of wind-guiding fan blades.