CN111238197A - Combined drying machine - Google Patents

Abstract

The invention discloses a combined dryer, which includes a heat pump unit and a drying chamber. The drying chamber is provided with an air inlet and an air return outlet, and the air inlet is communicated with the air outlet of the heat pump unit. The drying chamber is a combined box body. More than two rotating racks are used to place objects to be dried. The combined dryer of the present invention can be assembled into two groups of rotary rack dryers, or four groups of rotary rack dryers, or six groups of rotary rack dryers according to use requirements, and has the advantages of reasonable structure, dehumidification drying, flexible assembly, etc. advantage.

Description

A combined dryer

technical field

The invention discloses a combined dryer, which belongs to the technical field of drying equipment according to the International Patent Classification (IPC).

Background technique

Chinese document CN109506425A discloses a drying device for agricultural products, which includes a drying chamber and a heat pump mechanism. The heat pump mechanism includes a compressor, a condenser, an evaporator and a heat pump controller. An air inlet of the drying chamber is connected with an air inlet pipe. The condenser is arranged at the air inlet in the drying chamber, and also includes a drying mechanism. The drying mechanism includes an inner circulation pipe and an outer circulation pipe, and condenses and dries the air entering the air inlet pipe from the outside. Room is a fixed volume of space that cannot be expanded or combined to suit different needs.

The tea leaves need to be withered and dried during the preparation process, and the existing tea drying equipment has low efficiency. The tea holder is a fixed structure, and the tea leaves are heated unevenly.

SUMMARY OF THE INVENTION

In view of the deficiencies of the prior art, the present invention provides a combined dryer, which can expand the drying chamber and add a rotating frame therein, and has the advantages of reasonable structure, dehumidification and drying, and flexible assembly.

To achieve the above object, the present invention is achieved through the following technical solutions:

A combined dryer includes a heat pump unit and a drying chamber, the drying chamber is provided with an air inlet and a return air outlet, the air inlet is communicated with the air outlet of the heat pump unit, the drying chamber is a combined box body, and more than two are arranged in the drying chamber The rotating rack is used to place the objects to be dried.

Further, the rotating frame is provided with a rotating shaft which is connected with the driving motor on the top surface of the oven, and the bottom of the rotating frame is equipped with a mounting seat through the supporting shaft.

Further, the heat pump unit and the drying chamber are independent units, and the heat pump unit and the drying chamber are connected to form the whole dryer.

Further, an electric heating device is provided between the air outlet of the heat pump unit and the air inlet of the oven for heating and dehumidification.

Further, the electric heating device is an electric furnace wire to heat and remove the moisture in the passing air flow.

Further, rollers are installed at the bottom of the heat pump unit and the drying chamber, and the rotating frame in the drying chamber is multi-layered, and a matching steel screen is placed on each layer.

Further, the drying box is composed of two sets of rotating rack boxes, and two sets of rotating racks are arranged in the two sets of rotating rack boxes. The two sets of rotating rack boxes include the back, two sides and double door surfaces that are docked with the heat pump unit, and the back is provided with an inlet. Air outlet and return air outlet.

Further, the drying box is composed of four groups of rotating rack boxes, and four groups of rotating racks are arranged in the four groups of rotating rack boxes, and the four groups of rotating racks are arranged in a mouth shape. On the opposite side of the back and the double doors on both sides, the back is provided with an air inlet and an air return, and between the two sets of revolving racks adjacent to the back are provided with insulating layers to form an air inlet and return passage.

Further, the drying box is composed of six groups of rotating rack boxes, and six groups of rotating racks are arranged in the six groups of rotating rack boxes. The six groups of rotating rack boxes include the back side connected to the heat pump unit, the outer double door surface opposite to the back side and the two sides. There are air inlets and return air outlets on the back, and an insulating layer is arranged in the middle of the back and extends outward from the double door.

The oven is composed of two groups of revolving rack boxes or four groups of revolving rack boxes or six groups of revolving rack boxes. Two groups of revolving rack boxes or four groups of revolving rack boxes or six groups of revolving rack boxes all include a double door surface. The double door faces two sets of rotating racks in the box.

The combined dryer of the present invention can dry crops, tea leaves, etc., and has the following beneficial effects:

1. The heat pump unit of the dryer of the present invention can cooperate with different drying chambers for drying operation. It is a combined structure and has an expandable function. It can be combined into two groups of rotary rack dryers or four groups of rotary rack dryers. , or six sets of rotary rack dryers.

2. The dryer of the present invention achieves a uniform heating effect for the crops or tea leaves on the rotating rack through the setting of the rotating frame in the oven, especially the requirement for the uniformity of the drying temperature of the tea leaves is higher.

3. The heat pump unit of the present invention is equipped with an electric heating device to realize the dehumidification of the airflow entering the drying chamber and improve the drying effect of crops or tea leaves in the drying chamber.

Description of drawings

FIG. 1 is a schematic side view of an embodiment of the present invention.

FIG. 2 is a rear view of an embodiment of the present invention.

FIG. 3 is a top view of an embodiment of the present invention.

4 is a schematic diagram of four groups of rotary rack dryers of the present invention.

5 is a schematic diagram of six groups of rotary rack dryers of the present invention.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings:

Example: Please refer to Figures 1 to 5, a combined dryer includes a heat pump unit 1 and a drying chamber 2, the drying chamber 2 is provided with an air inlet and a return air outlet, and the air inlet is communicated with the air outlet of the heat pump unit 1, and the drying The box 2 is a combined box body, and two or more rotating racks 3 are arranged in the drying box 2 for placing objects to be dried. The rotating frame 3 is provided with a rotating shaft which is connected to the driving motor 4 on the top surface of the oven, the driving motor is a rotating frame rotating motor, and the bottom of the rotating frame is equipped with a mounting seat through a supporting shaft. The heat pump unit and the bottom of the drying chamber are equipped with rollers, and the rotating frame 3 in the drying chamber is multi-layered, and a matching steel screen is placed on each layer. As shown in Figure 1, Figure 3, Figure 4, Figure 5, the heat pump unit 1 and the drying chamber 2 of the present invention are independent units, the heat pump unit 1 and the drying chamber 2 are connected to form the whole dryer, and the heat pump unit 1 is an air source heat pump mechanism , including a connected heat pump compressor 11 and a heat exchanger 12 , and a fan 13 is provided outside the heat exchanger 12 . An electric heating device is provided between the air outlet of the heat pump unit 1 and the air inlet of the oven 2 for heating and dehumidification. The electric heating means is an electric furnace wire 14 to heat and remove moisture from the passing gas stream. The rotating frame of the present invention reciprocates within a certain deflection angle on the side facing the door, and the deflection angle is 0-180 degrees, preferably 45-90 degrees, in order to uniformly heat the crops or tea leaves of the rotating frame.

As shown in Figure 3, Figure 4, Figure 5, in the present invention, the oven is two groups of revolving rack boxes or four groups of revolving rack boxes or six groups of revolving rack boxes, two groups of revolving rack boxes or four groups of revolving rack boxes Or each of the six groups of revolving rack boxes includes a pair of door faces, and the double doors face the two groups of revolving racks in the box.

As shown in FIG. 3 , the drying chamber 2 is composed of two sets of rotating rack boxes. The two sets of rotating rack boxes are combined with the heat pump unit 1 to form two sets of rotating rack dryers 21. Two sets of rotating rack boxes are provided in the two sets of rotating rack boxes. Revolving frame 3, two drive motors are arranged on the box body, two sets of revolving frame boxes include a back 211, two side surfaces 212 and a double door surface 213 that are connected to the heat pump unit. There are air inlets and return air outlets. In the two sets of rotary frame dryers, the two sets of rotary frames are arranged in parallel with the heat pump unit, that is, the two sets of rotary frame boxes are connected in parallel with the heat pump unit.

As shown in FIG. 4 , the drying chamber 2 is composed of four groups of rotating rack boxes, and the four groups of rotating rack boxes are combined with the heat pump unit 1 to form four groups of rotating rack dryers 22 , and four groups of rotating rack boxes are provided in the four groups of rotating rack boxes. Rack 3, four groups of revolving racks 3 are in a mouth-shaped layout, and the four groups of revolving rack boxes include a back side 221 that is docked with the heat pump unit, an outer side 222 opposite to the back side, and a double-door surface 223 on both sides, and the back side is provided with an air inlet and a return air outlet , between the two sets of rotating racks adjacent to the back, an insulating layer board 220 is arranged to form an air inlet and air return channel. Among the four groups of rotary rack dryers, the oven part is transformed from two groups of ovens (two groups of rotary rack boxes), and the main bodies of the two groups of two groups of rotary rack boxes are perpendicular to the heat pump unit. Docking, the peripheral surface and the middle should be modified accordingly.

As shown in FIG. 5 , the drying chamber 2 is six groups of rotating rack boxes, and the six groups of rotating rack boxes are combined with the heat pump unit 1 to form six groups of rotating rack dryers 23, and six groups of rotating rack boxes are provided in the six groups of rotating rack boxes. Frame 3, the six groups of rotating frame boxes include a back 231 that is docked with the heat pump unit, an outer double door face 232 opposite to the back, and a double door face 233 and a fixed face 234 on both sides. An insulating layer 230 is provided and extends outward from the double door surface. Among the six groups of rotary rack dryers, the oven part is composed of four groups of ovens (four groups of rotary rack boxes) with one or two groups of ovens (two groups of rotary rack boxes) installed on the outermost side. Specifically, the two groups of revolving frame boxes are directly and horizontally installed outside the four groups of revolving frame boxes, and the adjacent joint surfaces and the middle are modified accordingly.

In the present invention, the oven can be two sets of revolving rack boxes, four groups of revolving rack boxes, or six groups of revolving rack boxes, which can be realized through a quick combination interface during modification, as shown in Figure 2 and Figure 3. . The dryer of the present invention can be expanded from two groups to four or six groups as the drying capacity of the user increases, and the assembly is flexible, and the power of the heat pump unit can meet the requirements of two groups, four groups or six groups of drying boxes. Require.

When the present invention is used, the electric heating device is controlled to be turned on or off by the controller 6 according to actual needs. The heat pump unit is started to work by the controller 6, and the air flow enters the drying chamber through the air inlet of the drying chamber 2 on the interface of the heat pump unit 1, the rotating frame 3 rotates, and the air flow dries the multi-layer crops or tea leaves on the rotating frame. The airflow is added to the heat pump unit through the return air outlet to realize the circulation.

The present invention is not limited to the above-mentioned embodiments, and the same or similar structural design as the above-mentioned embodiments of the present invention or substitutions, modifications, equivalent methods and solutions made in the spirit and scope of the present invention are all within the protection scope of the present invention. within.

Claims (10)

1. a combined dryer is characterized in that: comprise a heat pump unit and a drying chamber, the drying chamber is provided with an air inlet and a return air outlet, and the air inlet is communicated with the air outlet of the heat pump unit, and the drying chamber is a combined box body, and the drying chamber There are more than two rotating racks inside for placing objects to be dried. 2. A combined dryer according to claim 1, characterized in that: the rotating frame is provided with a rotating shaft which is connected to the driving motor on the top surface of the drying box, and the bottom of the rotating frame is equipped with a mounting seat through the supporting shaft. 3. A combined dryer according to claim 1 is characterized in that: the heat pump unit and the drying chamber are independent units, the heat pump unit and the drying chamber are connected to form the whole dryer, the heat pump unit is an air source heat pump mechanism, and the air The source heat pump mechanism includes a connected heat pump compressor heat exchanger, and a fan is provided outside the heat exchanger. 4. A combined dryer according to claim 1, characterized in that: an electric heating device is provided between the air outlet of the heat pump unit and the air inlet of the drying chamber for heating and dehumidification. 5. A combined dryer according to claim 4, characterized in that: the electric heating device is an electric furnace wire to heat and remove the moisture in the passing air flow. 6. A combination dryer according to claim 1, characterized in that: the heat pump unit and the bottom of the drying chamber are equipped with rollers, the rotating frame in the drying chamber is multi-layered, and a matching steel screen is placed on each layer. 7. A combined dryer according to one of claims 1 to 6, characterized in that: the drying compartment is composed of two groups of rotating rack boxes, and two groups of rotating rack boxes are provided with two groups of rotating racks. The revolving frame box body includes a back, two side surfaces and a double door surface connected to the heat pump unit, and the back is provided with an air inlet and an air return. 8. A combined dryer according to one of claims 1 to 6, characterized in that: the drying compartment is four groups of rotating rack boxes, and the four groups of rotating rack boxes are provided with four groups of rotating racks, and the four groups of rotating racks are The revolving rack is in a mouth-shaped layout. The four groups of revolving rack boxes include the back side connected to the heat pump unit, the outer side opposite to the back side, and the double-door surfaces on both sides. The back side is provided with an air inlet and an air return port. There is an insulating layer between them to form an air intake and return air channel. 9. A combined dryer according to one of claims 1 to 6, characterized in that: the drying compartment is six groups of rotating rack boxes, and six groups of rotating racks are provided in the six groups of rotating rack boxes, and six groups of rotating racks are arranged in the six groups of rotating rack boxes. The revolving frame box includes a back side connected to the heat pump unit, an outer double door surface opposite to the back side, and a double door surface on both sides. . 10. A combined dryer according to one of claims 1 to 6, characterized in that: the drying compartment is two groups of revolving rack boxes or four groups of revolving rack boxes or six groups of revolving rack boxes, and two groups of revolving rack boxes. Each of the revolving frame boxes or the four groups of revolving frame boxes or the six groups of revolving frame boxes includes a double door face, and the double doors face the two groups of revolving frames in the box.

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