CN209840554U - Air heat pump drying-machine with return air duct - Google Patents
Air heat pump drying-machine with return air duct Download PDFInfo
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- CN209840554U CN209840554U CN201920107166.1U CN201920107166U CN209840554U CN 209840554 U CN209840554 U CN 209840554U CN 201920107166 U CN201920107166 U CN 201920107166U CN 209840554 U CN209840554 U CN 209840554U
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Abstract
The utility model discloses an air heat pump dryer with an air return groove, which comprises a case for generating convection air and a drying box for placing materials, wherein the drying box is positioned at two sides of the case, one side of the drying box is positioned in an open shape, a convection fan for generating convection air is arranged in the case, and the middle part of the side wall of the drying box at the opposite side of the case is provided with the air return groove; open through stoving case lateral wall middle part has the return air duct, and the air of convection current is accumulated at the return air duct from air outlet flow direction stoving case, forms certain penetrating power, pierces through the stoving to the material that is located stoving case upper and lower extreme material respectively, improves the stoving effect that is located stoving case upper end and lower extreme material, simultaneously the utility model discloses be equipped with in the air heat pump system that carries out dehumidification heating to the process air, effectively get rid of the moisture in the air, make storehouse internal air circulation utilize.
Description
Technical Field
The utility model relates to an air heat pump stoving neighborhood specifically is an air heat pump drying-machine with return air duct.
Background
At present, hot air dryers and air heat pump dryers are mainly arranged on the market, wherein compared with the hot air dryers, the air heat pump dryers are in the same space and dry articles, the air heat pump dryers obviously shorten the drying time, and the electricity consumption is only half of the first type.
Among the prior art air heat pump drying-machine, as shown in fig. 1, the air of convection current flows to stoving case 2 from air outlet 41, because the impact force of the air of convection current offsets with stoving case 2 lateral wall, the air of convection current breaks up the region greatly, lead to getting into respectively 2 upper ends of stoving case and the air penetrating power of stoving case 2 lower extreme weak, make the material that is located 2 upper ends of stoving case and lower extreme poor for the material stoving effect at stoving case 2 middle part, when setting for a certain time, lead to being located 2 upper ends of stoving case, the material stoving degree of 2 lower extremes of stoving case for the material stoving case 2 middle part differs great, wherein the arrow indicates the utility model discloses the internal air flow of storehouse flows to.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an air heat pump drying-machine with return air duct has the return air duct through opening at stoving case lateral wall middle part, and the air of convection current is accumulated at the return air duct from air outlet flow direction stoving case, forms certain penetrating power, pierces through the stoving to the material that is located stoving case upper and lower extreme material respectively, improves the stoving effect that is located stoving case upper end and lower extreme material, simultaneously the utility model discloses be equipped with in the air heat pump system that carries out dehumidification heating to the process air, effectively the moisture in the deaerate makes storehouse internal air cycle utilize.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides an air heat pump drying-machine with return air duct, includes the quick-witted case that produces the convection current air and the stoving case of placing the material, and the stoving case is located quick-witted case both sides, its characterized in that, stoving case is located quick-witted case one side and is the opening form.
A convection fan for generating convection air is arranged in the case.
And the middle part of the side wall of the drying box at the opposite side of the case is provided with an air return groove.
Further, the top of the bottom end of the drying bin body is provided with vertical beams which are distributed in an array manner, a plurality of cross beams are arranged between the vertical beams, the cross beams are fixedly connected with the vertical beams, the inner walls of the vertical beams are provided with support frames which are distributed in an array manner, and the support frames are L-shaped.
Further, the height of the air return groove is equal to one third of the height in the drying box bin body.
Furthermore, the two sides of the case are open, a top fan support plate is arranged on the inner wall of the case, a first air return channel is formed between the top fan support plate and the top end of the case, a bottom fan support plate is arranged on the inner wall of the case, and a second air return channel is formed between the bottom fan support plate and the bottom end of the case.
Furthermore, coaxial convection fan mounting grooves are formed in the top fan supporting plate and the bottom fan supporting plate.
The convection fan is fixedly arranged in the convection fan mounting groove.
Furthermore, the lower end of the top fan supporting plate and the upper end of the bottom fan supporting plate are respectively provided with symmetrically distributed wind collecting coamings, wherein an air outlet is formed between the wind collecting coamings at the upper end and the lower end of the same side, the air outlet is positioned in the middle of the case, and the height of the air outlet is one third of the height of the case body.
Further, an air heat pump system for dehumidifying and heating the air is installed in the case.
The utility model has the advantages that:
the utility model discloses an it has the return air duct to open at stoving case lateral wall middle part, and the air of convection current is accumulated at the return air duct from air outlet flow direction stoving case, forms certain penetrating power, pierces through the stoving to the material that is located stoving case upper and lower extreme material respectively, improves the stoving effect that is located stoving case upper end and lower extreme material, simultaneously the utility model discloses be equipped with the air heat pump system that carries out dehumidification heating to the process air in, effectively get rid of the moisture in the air, make storehouse internal air circulation utilize.
Drawings
The present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the air flow direction in a conventional air heat pump dryer;
FIG. 2 is a schematic view of the air flow direction of the air heat pump dryer with the return air duct of the present invention;
FIG. 3 is a schematic structural view of the present invention;
fig. 4 is a schematic view of the structure of the case of the present invention;
FIG. 5 is a partially exploded view of the case of the present invention;
fig. 6 is a schematic view of the case of the present invention with different viewing angles;
fig. 7 is a schematic view of a local structure of the case of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
As shown in fig. 2, an air heat pump dryer with an air return duct includes a case 1 for dehumidifying and heating air and a drying box 2 for placing materials, wherein the drying box 2 is located at two sides of the case 1, and the drying box 2 and the case 1 are detachable; when the utility model discloses when air heat pump drying-machine transported, stoving case 2 and quick-witted case 1 separately transport, avoid the utility model discloses whole bodily form is too big, the transportation of being not convenient for.
The drying box 2 is positioned at one side of the chassis 1 and is in an open shape, as shown in fig. 3, vertical beams 21 which are distributed in an aligned manner are arranged above the bottom end of a cabin body of the drying box 2, a plurality of cross beams 22 are arranged between the vertical beams 21, the cross beams 22 are fixedly connected with the vertical beams 21, wherein the cross beams 22 mainly bear and play a part in dispersing the load on the vertical beams 21, and the inner walls of the vertical beams 21 are provided with support frames 23 which are distributed in an array manner, wherein the support frames 23 are in an L shape; during the use, the net tray pylon that will be equipped with the material is in support frame 23 upper end, when net tray width is less than between the perpendicular roof beam 21 interval, because support frame 23 is L shape, prevents that the net tray from droing from support frame 23 both sides.
The both sides of machine case 1 are the opening form, and wherein machine case 1 inner wall is equipped with top fan backup pad 12, forms first return air passageway 111 between top fan backup pad 12 and the machine case 1 top, and the same reason machine case 1 inner wall is equipped with bottom fan backup pad 121, forms second return air passageway 112 between bottom fan backup pad 121 and the machine case 1 bottom.
Coaxial convection fan mounting grooves 122 are formed in the top fan support plate 12 and the bottom fan support plate 121, and a convection fan 3 is fixedly mounted in the convection fan mounting grooves 122.
The lower end of the top fan supporting plate 12 and the upper end of the bottom fan supporting plate 121 are provided with symmetrically distributed wind gathering coamings 4, the wind gathering coamings 4 gather air blown out by the convection fan 3, and simultaneously, the air in the drying box 2 is ensured to enter the machine case 1 through the first air return channel 111 and the second air return channel 112 respectively, wherein an air outlet 41 is formed between the wind gathering coamings 4 at the upper end and the lower end of the same side, wherein the air outlet 41 is positioned in the middle of the machine case 1, and the height of the air outlet 41 is one third of the height of the bin.
When in use, the convection fan 3 is driven by the motor, the convection fan 3 blows air to the middle part of the bin body of the chassis 1, the air in the middle part of the bin body of the chassis 1 forms convection, the convective air flows to the drying box 2 from the air outlet 41, and the convective air dries the material in the middle of the drying box 2 in parallel, meanwhile, one part of air circulates to the upper end of the drying box, the other part of air circulates to the lower end of the drying box, to drying through the material of drying case 2 interior upper end or lower extreme, the convection current fan 3 induced drafts to the air of drying case upper end and lower extreme respectively, and inspiratory air enters into respectively to first return air passageway 111 and second return air passageway 112 in, is bloied by convection current fan 3 to quick-witted case 1 storehouse body middle part again through convection current fan mounting groove 122 in first return air passageway 111 and the second return air passageway 112 again, forms the utility model discloses air heat pump drying-machine inner air circulation.
The air of convection current flows to stoving case 2 from air outlet 41, because the impact force of the air of convection current offsets with stoving case 2 lateral wall, the air of convection current breaks up the region greatly, lead to getting into respectively 2 upper ends of stoving case and 2 lower extremes of stoving case air penetrating power weak, make the material that is located 2 upper ends of stoving case and lower extreme for the material stoving effect in stoving case 2 middle part poor, when setting for a certain time, lead to being located 2 upper ends of stoving case, the material of 2 lower extremes of stoving case differs great for the material stoving degree in stoving case 2 middle part.
As shown in fig. 2, stoving case 2 is located quick-witted case 1 and opens to the side lateral wall middle part that stands immediately and has return air duct 24, and the air of convection current is accumulated at return air duct 24 from air outlet 41 flow direction stoving case 2, forms certain penetrating power, pierces through the stoving to the material that is located stoving case 2 upper and lower extreme respectively, improves the stoving effect that is located stoving case 2 upper end and lower extreme material, and wherein the arrow point shows the utility model discloses the internal air flow in storehouse flows to.
The height of the air return groove 24 is equal to one third of the height of the inner part of the drying box 2, and the difference of the drying degree of the materials at the upper end and the lower end of the drying box 2 relative to the material in the middle of the drying box 2 is further reduced.
As shown in fig. 4 to 7, an air heat pump system 5 for dehumidifying and heating the air is installed in the cabinet 1, the air heat pump system 5 includes an evaporator 51, a main condenser 52, a heat pump compressor 53, a liquid storage tank 54, a drying filter, a thermostatic expansion valve 55 and a sub-condenser 56 which are symmetrically distributed, the output end of the liquid storage tank 54 is connected with the input end of the drying filter through a pipeline, the output end of the drying filter is connected with the input end of the thermal expansion valve 55 through a pipeline, the output ends of the thermal expansion valve 55 are connected with the input end of the evaporator 51 through a pipeline, the output end of the evaporator 51 is connected with the input end of the heat pump compressor 53 through a pipeline, the output end of the heat pump compressor 53 is connected with the input end of the main condenser 52 through a pipeline, the output end of the main condenser 52 is connected with the input end of the auxiliary condenser 56 through a pipeline, and the output.
When the heat pump type refrigerant dehumidifying device is used, a refrigerant in the liquid storage tank 54 is dehumidified through the drying filter, the dehumidified refrigerant forms a low-temperature gaseous refrigerant through the thermal expansion valve 55, the low-temperature gaseous refrigerant enters the evaporator 51, meanwhile, the refrigerant in the evaporator 51 enters the heat pump compressor 53 to be compressed and heated to form a high-temperature refrigerant, the high-temperature refrigerant enters the main condenser 52 from the output end of the heat pump compressor 53, the high-temperature refrigerant heats the main condenser 52, the main condenser 52 heats the outside, the high-temperature refrigerant in the main condenser 52 forms a liquid high-temperature refrigerant due to outside temperature reduction, and the liquid high-temperature refrigerant flows into the liquid storage tank 54 again through the auxiliary condenser 56 to be recycled.
The inner wall of the second return air channel 112 is provided with symmetrically distributed partition boards 113, a return air hole 114 is formed between the partition boards 113, the evaporator 51 is positioned at the inner side of the return air hole 114, the length of the return air hole 114 is smaller than that of the evaporator 51, it is ensured that the air entering the second return air channel 112 from the return air hole 114 passes through the evaporator 51, and the evaporator 51 cools and dehumidifies the passing air to form cooled and dried air.
The inner wall of the return air hole 114 is provided with a gauze 115, and due to the blockage of the gauze 115, the materials to be dried are prevented from entering the evaporator 51 from the return air hole 114.
Wherein, a plurality of supporting frames 116 are arranged between the wind gathering coamings 4 positioned at the upper end of the bottom fan supporting plate 121, the supporting frames 116 are fastened and connected with the wind gathering coamings 4, and the main condenser 52 is placed on the supporting frames 116. Meanwhile, the main condenser 52 is located right above the convection fan 3 in the bottom fan support plate 121, so that air blown out by the convection fan 3 below passes through the main condenser 52, and the main condenser 52 heats the passing air.
A placing groove 13 is arranged on the casing at the front end of the case 1, and a heat pump compressor 53, a liquid storage tank 54, a drying filter and a thermal expansion valve 55 are placed in the placing groove 13.
A liquid viewing mirror and an electromagnetic valve are arranged between the drying filter and the thermal expansion valve 55, whether the refrigerant dried by the drying filter has bubbles or not is observed through the liquid viewing mirror, and the electromagnetic valve controls the on-off of a pipeline between the drying filter and the thermal expansion valve 55.
The front end shell of the case 1 is provided with a storage bin 6, an auxiliary condenser 56 is placed in the storage bin 6, when the temperature in the case 1 is too high, the auxiliary condenser 56 is opened, and at the moment, a fan in the auxiliary condenser 56 dissipates heat of a high-temperature refrigerant passing through the auxiliary condenser 56, so that the temperature of the heat pump compressor 53 and the temperature of the main condenser 52 are reduced, the heating capacity of the heat pump compressor 53 is reduced, the temperature of the main condenser 52 is reduced, and further the drying case body is cooled.
A fan mounting hole 14 communicated with the second return air channel 112 is formed in the shell at the back end of the case 1, and an air supplementing fan 141 is mounted in the fan mounting hole 14; the air supply fan 141 is driven by an external drive (such as a motor), and the air supply fan 141 absorbs external air to supply air to the second return air channel 112, so as to supply wind pressure and wind volume convected by the convection fan 3 in the cabin body in the chassis 1.
The using method comprises the following steps: when the drying machine is used, the convection fan 3 is driven by the motor, the convection fan 3 blows towards the middle part of the bin body of the machine box 1, at the moment, the air in the middle part of the bin body of the machine box 1 forms convection, the convection air flows to the drying box 2 from the air outlet 41, the convection air is used for drying materials in the middle part of the drying box 2 in parallel, the convection air further flows to the drying box 2 and accumulates in the air return groove 24 to form air with certain penetrating power, one part of the air with penetrating power circulates to the upper end of the drying box, the other part of the air circulates to the lower end of the drying box, the materials passing through the upper end or the lower end in the drying box 2 are dried in a penetrating way, the convection fan 3 respectively sucks the air at the upper end and the lower end of the drying box, the sucked air respectively enters the first air return channel 111 and the second air return channel 112, and is blown towards the middle part of the bin body of the machine box, form the utility model discloses air circulation in the air heat pump drying-machine.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (6)
1. An air heat pump dryer with an air return duct comprises a case (1) for generating middle convection air and a drying box (2) for placing materials, wherein the drying box (2) is positioned at two sides of the case (1), and is characterized in that the drying box (2) is positioned at one side of the case (1) and is in an open shape;
a convection fan (3) for generating convection air is arranged in the case (1);
the middle part of the drying box (2) positioned on the opposite side wall of the case (1) is provided with an air return groove (24);
the air conditioner is characterized in that two sides of the case (1) are open, wherein a top fan supporting plate (12) is arranged on the inner wall of the case (1), a first air return channel (111) is formed between the top fan supporting plate (12) and the top end of the case (1), a bottom fan supporting plate (121) is arranged on the inner wall of the case (1), and a second air return channel (112) is formed between the bottom fan supporting plate (121) and the bottom end of the case (1).
2. The air heat pump dryer with the return air duct of claim 1, wherein vertical beams (21) are arranged above the bottom end of the bin body of the drying box (2) in an aligned manner, a plurality of cross beams (22) are arranged between the vertical beams (21), the cross beams (22) are fastened and connected with the vertical beams (21), and support frames (23) are arranged on the inner walls of the vertical beams (21) in an arrayed manner, wherein the support frames (23) are L-shaped.
3. An air heat pump dryer with return air ducts according to claim 1, characterized in that the height of the return air ducts (24) is equal to one third of the internal cabin height of the drying box (2).
4. The air heat pump dryer with the return air duct of claim 1, wherein the top fan support plate (12) and the bottom fan support plate (121) are provided with a coaxial convection fan mounting groove (122);
the convection fan (3) is fixedly arranged in the convection fan mounting groove (122).
5. The air heat pump dryer with the return air duct of claim 1, wherein the lower end of the top fan support plate (12) and the upper end of the bottom fan support plate (121) are provided with symmetrically distributed wind collecting coamings (4), wherein an air outlet (41) is formed between the wind collecting coamings (4) at the upper end and the lower end of the same side, the air outlet (41) is located in the middle of the case (1), and the height of the air outlet (41) is one third of the height of the cabin body of the case (1).
6. An air heat pump dryer with a return duct according to claim 1, characterized in that an air heat pump system (5) for dehumidifying and heating the passing air is installed in the cabinet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920107166.1U CN209840554U (en) | 2019-01-22 | 2019-01-22 | Air heat pump drying-machine with return air duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920107166.1U CN209840554U (en) | 2019-01-22 | 2019-01-22 | Air heat pump drying-machine with return air duct |
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| Publication Number | Publication Date |
|---|---|
| CN209840554U true CN209840554U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920107166.1U Active CN209840554U (en) | 2019-01-22 | 2019-01-22 | Air heat pump drying-machine with return air duct |
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| CN (1) | CN209840554U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855395A (en) * | 2019-01-23 | 2019-06-07 | 黄山市兴农中菊烘干设备制造有限公司 | A kind of air heat pump drying box host |
| CN109855396A (en) * | 2019-01-23 | 2019-06-07 | 黄山市兴农中菊烘干设备制造有限公司 | A kind of air heat pump dryer |
-
2019
- 2019-01-22 CN CN201920107166.1U patent/CN209840554U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855395A (en) * | 2019-01-23 | 2019-06-07 | 黄山市兴农中菊烘干设备制造有限公司 | A kind of air heat pump drying box host |
| CN109855396A (en) * | 2019-01-23 | 2019-06-07 | 黄山市兴农中菊烘干设备制造有限公司 | A kind of air heat pump dryer |
| CN109855396B (en) * | 2019-01-23 | 2024-02-20 | 黄山市兴农中菊烘干设备制造有限公司 | Air heat pump dryer |
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