CN211204652U

CN211204652U - Low-temperature drying equipment

Info

Publication number: CN211204652U
Application number: CN201922489744.5U
Authority: CN
Inventors: 张龙; 姜长生; 明瑞龙; 刘同平; 明水勇
Original assignee: Huangshi Gaonaisi Equipment Co ltd
Current assignee: Huangshi Gaonaisi Equipment Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-07
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a low temperature drying equipment, include: the drying device comprises a drying box, a vacuumizing mechanism and a drying mechanism, wherein the vacuumizing mechanism comprises a vacuum pump, and an inlet of the vacuum pump is communicated with the drying cavity; drying mechanism includes shelf subassembly and hot water circulation subassembly, the shelf subassembly includes frame and a plurality of drying device, have a plurality of in the frame respectively with each drying device assorted stoving chamber, the hot water circulation subassembly includes heating cabinet and water pump, the export of water pump with the water inlet intercommunication, the import of water pump be used for with the outlet pipe intercommunication. The utility model provides a technical scheme's beneficial effect is: through arranging the product of treating the stoving in inclosed stoving intracavity, manage to find time the gas of stoving intracavity through evacuation mechanism, carry out low temperature through the product of stoving mechanism in to stoving intracavity and dry to neither can influence the quality of the product of being dried, also there is not a great deal of drawback of artifical tedding.

Description

Low-temperature drying equipment

Technical Field

The utility model belongs to the technical field of the drying equipment technique and specifically relates to a low temperature drying equipment is related to.

Background

Through the research and understanding of famous Chinese medicinal materials such as Yulin, North sea, Hainan and the like and marine product bases, the Chinese medicinal materials and the marine products still adopt an original manual tedding mode to carry out drying operation, and the following problems exist: (1) needs a large-area sunning ground, (2) is seriously influenced by weather, (3) has high labor intensity, (4) is easy to breed flies and insects, and (5) the food sanitation cannot be guaranteed. Some dealers also adopt a tunnel type hot blast stove for heating, so that the problems can be solved, but the products heated by the tunnel type hot blast stove have the problems of color change, over standard sulfur content and the like, so that the quality of the dried products is reduced.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a drying apparatus that can overcome many drawbacks of manual tedding and overcome the decrease in product quality caused by heating in a tunnel-type hot-blast stove.

A cryogenic drying apparatus comprising: a drying box, a vacuumizing mechanism and a drying mechanism,

the drying box is provided with a closed drying cavity;

the vacuum pumping mechanism comprises a vacuum pump, and an inlet of the vacuum pump is communicated with the drying cavity;

the drying mechanism comprises a shelf component and a hot water circulation component,

the shelf component comprises a frame and a plurality of drying devices, a plurality of drying cavities respectively matched with the drying devices are arranged in the frame, a water inlet pipe and a water outlet pipe are also arranged on the frame, the drying devices are respectively arranged in the corresponding drying cavities, each drying device comprises a heat exchange pipe, a heat radiating fin and a tray, the heat exchange pipes are sequentially connected end to end, the heat exchange pipe at the head end is communicated with the water inlet pipe, the heat exchange pipe at the tail end is communicated with the water outlet pipe, each heat radiating fin is respectively arranged on the side wall of the corresponding heat exchange pipe, and each tray is arranged on the corresponding heat radiating fin,

the hot water circulation subassembly includes heating cabinet and water pump, the heating cabinet has an inclosed heating chamber, the heating intracavity is equipped with the heater, still seted up on the heating cabinet with the water inlet and the delivery port of heating chamber intercommunication, the delivery port be used for with the inlet tube intercommunication, the export of water pump with the water inlet intercommunication, the import of water pump be used for with the outlet pipe intercommunication.

Compared with the prior art, the utility model provides a technical scheme's beneficial effect is: through arranging the product of treating the stoving in inclosed stoving intracavity, manage to find time the gas of stoving intracavity through evacuation mechanism, carry out low temperature through the product of stoving mechanism in to stoving intracavity and dry to neither can influence the quality of the product of being dried, also there is not a great deal of drawback of artifical tedding.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a low-temperature drying apparatus provided by the present invention;

FIG. 2 is a schematic structural view of the drying box, the vacuum-pumping mechanism and the shelf assembly in FIG. 1;

FIG. 3 is a side view corresponding to FIG. 2;

FIG. 4 is a schematic structural view of the vehicle frame of FIG. 2;

fig. 5 is a schematic structural view of the drying apparatus of fig. 4;

FIG. 6 is a top view of FIG. 5;

in the figure: 1-drying box, 2-vacuum pumping mechanism, 3-drying mechanism, 11-track, 12-switch door, 13-first thermometer, 14-pressure detector, 15-observation port, 16-first through hole, 21-vacuum pump, 22-filtering box, 31-shelf component, 311-frame, 3111-water inlet pipe, 3112-water outlet pipe and 3113-pulley, 312-drying device, 3121-heat exchange tube, 3122-radiating fin, 3123-tray, 32-hot water circulation component, 321-heating box, 3211-heater, 3212-water inlet, 3213-water outlet, 3214-second thermometer, 322-water pump, 323-first water pipe, 324-second water pipe, 325-first water valve and 326-second water valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, the utility model provides a low-temperature drying device, which comprises a drying box 1, a vacuumizing mechanism 2 and a drying mechanism 3.

Referring to fig. 1 and 2, the drying box 1 has a closed drying chamber.

Referring to fig. 1-3, the vacuum pumping mechanism 2 includes a vacuum pump 21, and an inlet of the vacuum pump 21 is communicated with the drying chamber.

Referring to fig. 4-6, the drying mechanism 3 includes a shelf assembly 31 and a hot water circulation assembly 32, the shelf assembly 31 includes a frame 311 and a plurality of drying devices 312, the frame 311 has a plurality of drying cavities respectively matched with the drying devices 312, the frame 311 is further provided with a water inlet pipe 3111 and a water outlet pipe 3112, the water inlet pipe 3111 and the water outlet pipe 3112 are connected in a quick-connection manner, the drying devices 312 are respectively disposed in the corresponding drying cavities, each drying device 312 includes a heat exchange pipe 3121, a heat sink 3122 and a tray 3123, the heat exchange pipes 3121 at the front end are connected in sequence, the heat exchange pipe 3121 at the front end is communicated with the water inlet pipe 3111, the heat exchange pipe 3121 at the rear end is communicated with the water outlet pipe 3112, and the heat sinks 3122 are respectively disposed on the side wall of the corresponding heat exchange pipe 3121, the heat dissipation fins 3122 are fixed to the side walls of the corresponding heat exchange tubes 3121 by soldering, and the trays 3123 are disposed on the corresponding heat dissipation fins 3122.

Referring to fig. 1, the hot water circulating assembly 32 includes a heating box 321 and a water pump 322, the heating box 321 has a sealed heating cavity, a heater 3211 is disposed in the heating cavity, the heating box 321 is further provided with a water inlet 3212 and a water outlet 3213, the water outlet 3213 is used for communicating with the water inlet pipe 3111, an outlet of the water pump 322 is communicated with the water inlet 3212, and an inlet of the water pump 322 is used for communicating with the water outlet pipe 3112. It should be noted that the heating tank 321 may also be a boiler waste heat water tank, so that heat energy of the boiler waste heat water can be recycled.

The utility model provides a low temperature drying equipment is when using, the product that will treat the stoving is placed on each tray 3123, arrange the stoving intracavity in with frame 311 again, delivery port 3213 intercommunication with inlet tube 3111 and heating cabinet 321, with outlet pipe 3112 and water pump 322's import intercommunication, open vacuum pump 21 again, vacuum pump 21 takes out the gas of stoving intracavity, make the atmospheric pressure of stoving intracavity reduce rapidly, moisture that contains in the product volatilizees rapidly, open water pump 322 simultaneously, hot water in the heating cabinet 321 flows in heat exchange tube 3121 from inlet tube 3111, its heat conducts the stoving intracavity through fin 3122, thereby dry the product of stoving intracavity, the temperature of control stoving intracavity is no longer than 60, dry through the mode of this kind of low temperature flash distillation, the quality of the product of being dried can not receive the influence.

Further, referring to fig. 2, a rail 11 is disposed in the drying cavity, the rail 11 extends to the outside of the drying cavity, a plurality of pulleys 3113 matched with the rail 11 are mounted at the lower end of the frame 311, and each pulley 3113 can slide along the rail 11. The carriage 311 can be moved conveniently by the cooperation of the rail 11 and the pulley 3113.

Further, referring to fig. 2, a switch door 12 is disposed on a side wall of the drying box, and the switch door 12 is used for the frame 311 to enter and exit the drying box 1.

Preferably, referring to fig. 3, a first thermometer 13 and a pressure detector 14 are disposed in the drying chamber. The first thermometer 13 is used for detecting the temperature in the drying chamber, and the pressure detector 14 is used for detecting the pressure in the drying chamber.

Preferably, referring to fig. 3, at least one viewing port 15 is disposed on a sidewall of the drying box 1, and each viewing port 15 is sealed by a transparent material. In this embodiment, the viewing port 15 is sealed by a double glass.

Preferably, referring to fig. 3, a plurality of illuminating lamps are arranged in the drying cavity, so that the operation in the drying cavity is facilitated.

Further, referring to fig. 1, the hot water circulation assembly 32 further includes a first water pipe 323 and a second water pipe 324, one end of the first water pipe 323 is communicated with the water outlet 3213, the other end of the first water pipe 323 is communicated with the water inlet pipe 3111, a first water valve 325 is disposed on the first water pipe 323, and the first water valve 325 is used for controlling on/off of the first water pipe 323; one end of the second water pipe 324 is communicated with the water outlet pipe 3112, the other end of the second water pipe 324 is communicated with an inlet of the water pump 322, a second water valve 326 is arranged on the second water pipe 324, and the second water valve 326 is used for controlling the on-off of the second water pipe 324.

Preferably, referring to fig. 1, a second temperature gauge 3214 is disposed in the heating chamber, and the second temperature gauge 3214 is configured to detect a temperature of hot water in the heating chamber.

Further, referring to fig. 3, a first through hole 16 and a second through hole (not shown) are disposed on a sidewall of the drying box 1, the first through hole 16 is used for the first water pipe 323 to pass through, and the second through hole is used for the second water pipe 324 to pass through.

Preferably, referring to fig. 1 to 3, the vacuum pumping mechanism 2 further includes a filter box 22, the filter box 22 has a sealed filter cavity, a filter screen (not shown) is disposed in the filter cavity, the filter screen divides the filter cavity into a first filter cavity and a second filter cavity, the first filter cavity is communicated with an inlet of the vacuum pump 21, the second filter cavity is communicated with the drying cavity, and the filter box 22 is configured to filter air entering the vacuum pump 21, so as to ensure normal operation of the vacuum pump 21.

For better understanding of the present invention, the working process of the low-temperature drying apparatus provided by the present invention is described in detail below with reference to fig. 1 to 6: when in use, a product to be dried is placed on each tray 3123, the frame 311 is pushed into the drying cavity along the rail 11, the water inlet pipe 3111 is communicated with the water outlet 3213 of the heating box 321, the first water valve 325 is opened, the water outlet pipe 3112 is communicated with the inlet of the water pump 322, the second water valve 326 is opened, the vacuum pump 21 is started, the vacuum pump 21 pumps out the air in the drying cavity, the air pressure in the drying cavity is rapidly reduced, the moisture in the product is rapidly volatilized, the water pump 322 is started at the same time, hot water in the heating box 321 flows into the heat exchange pipe 3121 from the water inlet pipe 3111, the heat is conducted into the drying cavity through the radiating fins 3122, so as to dry the product in the drying cavity, the temperature in the drying cavity is controlled not to exceed 60 degrees, the drying is performed in a low-temperature flash evaporation manner, the quality of the dried product is not affected, and after the drying is completed, the, the vacuum pump 21 is turned off, the opening and closing door 12 is opened again, the carriage 311 is pushed out of the drying chamber along the rail 11, and the product is taken out.

To sum up, the utility model discloses a to treat that the product of drying arranges inclosed stoving intracavity in, evacuates to find time through the gas of evacuation mechanism 2 with the stoving intracavity, carries out low temperature drying to the product of stoving intracavity through stoving mechanism 3 to neither can influence the quality of the product of being dried, also do not have a great deal of drawback of artifical tedding, so this low temperature drying equipment market prospect is wide, has good economic benefits.

The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A cryogenic drying apparatus, comprising: a drying box, a vacuumizing mechanism and a drying mechanism,

the drying box is provided with a closed drying cavity;

2. The cryogenic drying apparatus of claim 1, wherein a rail is disposed in the drying chamber, the rail extends to the outside of the drying chamber, and a plurality of pulleys engaged with the rail are mounted at a lower end of the carriage, and each of the pulleys is slidable along the rail.

3. The cryogenic drying apparatus of claim 1 wherein a door is provided on a side wall of the drying box.

4. The cryogenic drying apparatus of claim 1 wherein a first thermometer and a pressure sensor are disposed in the drying chamber.

5. The cryogenic drying apparatus of claim 1 wherein said drying box has at least one viewing port in a side wall thereof, each said viewing port being sealed by a transparent material.

6. The cryogenic drying apparatus of claim 1 wherein a plurality of lamps are disposed in the drying chamber.

7. The cryogenic drying apparatus of claim 1 wherein the hot water circulation assembly further comprises a first water pipe and a second water pipe,

one end of the first water pipe is communicated with the water outlet, the other end of the first water pipe is communicated with the water inlet pipe, and a first water valve is arranged on the first water pipe;

one end of the second water pipe is communicated with the water outlet pipe, the other end of the second water pipe is communicated with an inlet of the water pump, and a second water valve is arranged on the second water pipe.

8. The cryogenic drying apparatus of claim 1 wherein a second thermometer is disposed within the heating chamber.

9. The low-temperature drying apparatus as claimed in claim 7, wherein a first through hole and a second through hole are provided on a sidewall of the drying box, the first through hole being used for the first water pipe to pass through, the second through hole being used for the second water pipe to pass through.

10. The cryogenic drying apparatus of claim 1, wherein the evacuation mechanism further comprises a filter box having a sealed filter chamber, a filter screen is disposed in the filter chamber, the filter screen divides the filter chamber into a first filter chamber and a second filter chamber, the first filter chamber is communicated with the inlet of the vacuum pump, and the second filter chamber is communicated with the drying chamber.