CN215930375U - Detect with electric heat blast air drying cabinet - Google Patents
Detect with electric heat blast air drying cabinet Download PDFInfo
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- CN215930375U CN215930375U CN202122668756.1U CN202122668756U CN215930375U CN 215930375 U CN215930375 U CN 215930375U CN 202122668756 U CN202122668756 U CN 202122668756U CN 215930375 U CN215930375 U CN 215930375U
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- pipe
- calcium chloride
- drying
- anhydrous calcium
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Abstract
The utility model discloses an electrothermal blowing drying box for detection, which comprises a drying chamber, a circulating pump, an anhydrous calcium chloride dehumidifier and a heater, wherein an exhaust pipe is arranged at the bottom of the drying chamber and is sequentially connected with the circulating pump, an air pipe A, the anhydrous calcium chloride dehumidifier, an air pipe B and the heater, and an outlet of the heater is connected to the top of the drying chamber through a circulating pipe; a high-temperature heating sheet is arranged on the outer side of the anhydrous calcium chloride dehumidifier; the exhaust pipe is provided with a three-way electromagnetic valve A connected with an air inlet pipe, and the air pipe B is provided with a three-way electromagnetic valve B connected with an exhaust pipe. The utility model adopts closed circulating air for drying, can arrange a plurality of layers of netted trays for placing samples in the drying chamber, does not introduce external air flow in the drying process, only needs little heat to maintain the temperature of the drying air after the air is heated, the circulating power is provided by the circulating pump, the circulating pump firstly absorbs moisture through the anhydrous calcium chloride dehumidifier after being pumped out, and the anhydrous calcium chloride dehumidifier can be regenerated for use.
Description
Technical Field
The utility model relates to the technical field of food detection, in particular to an electric heating air blowing drying box for detection.
Background
When food detection is carried out, some parameters need to be removed, for example, moisture content and the like are detected, an electric heating air blowing drying box is commonly used, but at present, mainly an open type is used as a main mode, external air flow is introduced, then heating is transmitted into the drying box, and then the air flow is discharged. The small part is an internal circulation type. However, the moisture is still vented at regular intervals and fresh air is introduced, otherwise the humidity is too high and evaporation of the moisture is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an electric heating air blowing drying box for detection, so as to solve the technical problems in the background technology.
The technical scheme of the utility model is as follows:
an electrothermal blowing drying box for detection comprises a drying chamber, a circulating pump, an anhydrous calcium chloride dehumidifier and a heater, wherein an exhaust pipe is arranged at the bottom of the drying chamber and is sequentially connected with the circulating pump, an air pipe A, the anhydrous calcium chloride dehumidifier, an air pipe B and the heater, and an outlet of the heater is connected to the top of the drying chamber through a circulating pipe; a high-temperature heating sheet is arranged on the outer side of the anhydrous calcium chloride dehumidifier; the exhaust pipe is provided with a three-way electromagnetic valve A connected with an air inlet pipe, and the air pipe B is provided with a three-way electromagnetic valve B connected with an exhaust pipe.
Further, a temperature sensor is arranged at the top end of the drying chamber and connected with a display controller, and the display controller is connected with the heater and the circulating pump.
Furthermore, a humidity sensor is arranged on the circulating pipe and connected with a display controller, and the display controller is connected with the high-temperature heating sheet, the three-way electromagnetic valve A and the three-way electromagnetic valve B.
Further, a plurality of layers of mesh trays are arranged in the drying chamber.
Further, the maximum temperature of the feedback control of the drying chamber is not higher than 90 ℃.
The utility model has the advantages that:
the utility model adopts closed circulating air for drying, can arrange a plurality of layers of netted trays for placing samples in the drying chamber, does not introduce external air flow in the drying process, only needs little heat to maintain the temperature of the drying air after the air is heated, the circulating power is provided by the circulating pump, the circulating pump firstly absorbs moisture through the anhydrous calcium chloride dehumidifier after being pumped out, and the anhydrous calcium chloride dehumidifier can be regenerated for use.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the figure: 1-drying chamber, 11-netted tray, 12-air exhaust pipe, 13-circulating pipe, 2-three-way electromagnetic valve A, 21-air inlet pipe, 3-circulating pump, 31-air pipe A, 4-anhydrous calcium chloride dehumidifier, 41-high temperature heating sheet, 42-air pipe B, 5-three-way electromagnetic valve B, 6-heater, 7-humidity sensor, 8-display controller and 9-temperature sensor.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1:
an electric heating air blast drying box for detection comprises a drying chamber 1, a circulating pump 3, an anhydrous calcium chloride dehumidifier 4 and a heater 6, wherein an air suction pipe 12 is arranged at the bottom of the drying chamber 1 and is sequentially connected with the circulating pump 3, an air pipe A31, the anhydrous calcium chloride dehumidifier 4, an air pipe B42 and the heater 6, and an outlet of the heater 6 is connected to the top of the drying chamber 1 through a circulating pipe 13; a high-temperature heating sheet 41 is arranged on the outer side of the anhydrous calcium chloride dehumidifier 4; the air suction pipe 12 is provided with a three-way electromagnetic valve A2 connected with the air inlet pipe 21, and the air pipe B42 is provided with a three-way electromagnetic valve B5 connected with the air exhaust pipe.
The working principle is as follows: according to the utility model, closed circulating air is adopted for drying, a plurality of layers of net-shaped trays 11 are arranged in the drying chamber 1 for placing samples, no external air flow is introduced in the drying process, the temperature of the drying air can be maintained by only little heat after the air is heated, circulating power is provided by the circulating pump 3, the circulating pump 3 is pumped out and then passes through the anhydrous calcium chloride dehumidifier 4 to absorb moisture, and the anhydrous calcium chloride dehumidifier 4 can be regenerated for use.
The anhydrous calcium chloride desiccant is a high-efficiency adsorption material, absorbs moisture from the surrounding environment and is converted into calcium chloride containing crystal water, the common anhydrous calcium chloride is CaCl 2.6H2O, the absorption proportion of the anhydrous calcium chloride desiccant can reach 300%, the moisture absorption rate is 8-15 times of that of a common desiccant, the anhydrous calcium chloride absorbs moisture in a combination mode, the moisture and the calcium chloride can be fused into a gel by the anhydrous calcium chloride, the anhydrous calcium chloride desiccant is not easy to evaporate at high temperature, the anhydrous calcium chloride desiccant can be used at the ambient temperature of-5 ℃ -90 ℃, the moisture can be stably absorbed at high temperature, the highest temperature of feedback control of the drying chamber 1 is not higher than 90 ℃ in order to avoid pyrolysis of combined water, the pyrolysis of the crystal water needs to be above 100 ℃, the water absorption effect is ensured, and dried air after water absorption enters the drying chamber 1 to be circulated through heating of the heater 6.
In order to accurately control the temperature of the drying chamber 1, a temperature sensor 9 is installed at the top end of the drying chamber 1 and is connected with a display controller 8, the display controller 8 is connected with the heater 6 and the circulating pump 3, and the power of the heater 6 and the opening and closing of the circulating pump 3 are controlled through the display controller 8.
After the anhydrous calcium chloride dehumidifier 4 is saturated, the high-temperature heating sheet 41 is started to separate the anhydrous calcium chloride crystal water, the three-way electromagnetic valve A2 and the three-way electromagnetic valve B5 are switched to communicate the air inlet pipe 21 and the exhaust pipe, air is introduced from the outside and exhausted to the outside, and the separated water is discharged to complete the regeneration of the anhydrous calcium chloride dehumidifier 4.
The regeneration process can adopt manual control or automatic control, if automatic control is adopted, the state of the anhydrous calcium chloride dehumidifier 4 needs to be automatically detected, a humidity sensor 7 can be arranged on the circulating pipe 13 and is connected with a display controller 8, the dehumidification effect is detected in real time, when the humidity is higher, the saturation is shown, the dehydration regeneration is needed, the display controller 8 is connected with the high-temperature heating sheet 41, the three-way electromagnetic valve A2 and the three-way electromagnetic valve B5, the pipeline required for the dehydration is automatically switched, and the high-temperature heating sheet 41 is started.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, and the scope of protection is still within the scope of the utility model.
Claims (5)
1. The utility model provides a detect with electric heat forced air drying cabinet which characterized in that: the drying device comprises a drying chamber, a circulating pump, an anhydrous calcium chloride dehumidifier and a heater, wherein an exhaust pipe is arranged at the bottom of the drying chamber and is sequentially connected with the circulating pump, an air pipe A, the anhydrous calcium chloride dehumidifier, an air pipe B and the heater, and an outlet of the heater is connected to the top of the drying chamber through a circulating pipe; a high-temperature heating sheet is arranged on the outer side of the anhydrous calcium chloride dehumidifier; the exhaust pipe is provided with a three-way electromagnetic valve A connected with an air inlet pipe, and the air pipe B is provided with a three-way electromagnetic valve B connected with an exhaust pipe.
2. The electrothermal blowing dry box for detection according to claim 1, characterized in that: and a temperature sensor is arranged at the top end of the drying chamber and is connected with a display controller, and the display controller is connected with the heater and the circulating pump.
3. The electric hot blast drying cabinet for detection according to claim 2, characterized in that: the circulating pipe is provided with a humidity sensor which is connected with a display controller, and the display controller is connected with the high-temperature heating sheet, the three-way electromagnetic valve A and the three-way electromagnetic valve B.
4. The drying cabinet with electric hot blast for inspection according to any one of claims 1 to 3, characterized in that: a plurality of layers of mesh trays are arranged in the drying chamber.
5. The drying cabinet with electric hot blast for inspection according to any one of claims 1 to 3, characterized in that: the highest temperature of the feedback control of the drying chamber is not higher than 90 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122668756.1U CN215930375U (en) | 2021-11-03 | 2021-11-03 | Detect with electric heat blast air drying cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122668756.1U CN215930375U (en) | 2021-11-03 | 2021-11-03 | Detect with electric heat blast air drying cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215930375U true CN215930375U (en) | 2022-03-01 |
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ID=80404327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122668756.1U Active CN215930375U (en) | 2021-11-03 | 2021-11-03 | Detect with electric heat blast air drying cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215930375U (en) |
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2021
- 2021-11-03 CN CN202122668756.1U patent/CN215930375U/en active Active
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