CN115624202A

CN115624202A - Curing barn and heat pump drying system for drying materials

Info

Publication number: CN115624202A
Application number: CN202211302556.7A
Authority: CN
Inventors: 杨公增; 张哲雷
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-01-20

Abstract

The application relates to the technical field of material drying, and discloses a roast room for material drying, include: a charging chamber and a heating chamber. The charging chamber is used for placing the drying materials; the heating chamber is arranged in the charging chamber and comprises an air channel and an air source heat pump unit, and the air channel is used for conveying air heated by the air source heat pump unit into the charging chamber in a horizontal or vertical mode. Through set up the wind channel in roast room for hot-blast can be dried the drying material along the wind channel, and the structural constraint of having avoided roast room makes fan air supply distance not enough and the difference in temperature from top to bottom big, leads to the drying material before dry after wet or on dry under the wet condition. And carry the air to the feed chamber according to level or vertical mode through the wind channel, can make the stoving effect homoenergetic that needs carry out the flatly laid stoving and need carry out the stoving of suspension type stoving drying material even more. The application also discloses a heat pump drying system.

Description

Curing barn and heat pump drying system for drying materials

Technical Field

The application relates to the technical field of material drying, for example, to a curing barn and a heat pump drying system for drying materials.

Background

At present, along with the development of economy, the improvement of living standard and the guidance of a double-carbon emission reduction policy, the air source heat pump curing barn is rapidly popularized and applied in the field of agricultural and sideline product production and processing. At present, the conventional curing barn adopts coal or biomass burning for heating and baking, and with the popularization of low-carbon and modern agricultural policies, some air source heat pumps gradually replace the form of coal burning. However, the structural form of the curing barn is not improved, the curing barn is usually a rectangular curing barn, the heating chamber is positioned at one end of the curing barn, and air is supplied into the curing barn from the heating chamber through a circulating fan, so that the air quantity at the front part of the curing barn is large, and the air quantity at the rear part of the curing barn is zero or weak, and the drying materials are dry and wet before and after; meanwhile, the temperature difference exists between the air at the upper part and the air at the lower part of the curing barn, and the circulation mode of the upper air supply and the lower return air ensures that the temperature at the upper part is high and the temperature at the lower part is low, so that the drying materials are dry at the upper part and wet at the lower part, and the drying effect of the drying materials is poor.

The related technology discloses a tobacco curing house, which comprises a tobacco curing house body and a heating house arranged at the rear end of the tobacco curing house, wherein a heat preservation door is arranged on the wall of the front end of the tobacco curing house, a hearth for burning coal is arranged at the bottom in the heating house, a fan for blowing a heating air to the tobacco curing house is arranged at the top of the heating house, a main pipeline with the same length as that in the tobacco curing house is arranged in the middle of the top in the tobacco curing house body, one end of the main pipeline is butted with an outlet of the fan, the other end of the main pipeline is closed, a plurality of branch pipes are uniformly distributed at two sides of the main pipeline, one end of each branch pipe is communicated with the main pipeline, the other end of each branch pipe is closed, a plurality of vertical pipes are uniformly distributed at the bottoms of the branch pipes, the bottoms of the vertical pipes are fixed on the ground, and the tops of the vertical pipes are communicated with the branch pipes; the vertical pipes are arranged in a plurality of rows along the front and back directions of the tobacco flue-curing house. Can guarantee that all tobacco leaf toasts's temperature and wind speed are unanimous with the even each corner of arranging the tobacco flue-curing house of heating installation, finally obtain the consistent tobacco leaf of article, can also avoid the tobacco leaf to influence the flue-cured tobacco quality because of pasting one, simple structure, the preparation is convenient.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

adopt the correlation technique to pass through the lateral conduit and to each department hot-blast of carrying in the roast room, though can make the stoving effect of drying material more even to a certain extent, adopt the correlation technique to toast drying material through the standpipe, the stoving effect that only enables suspension type drying material is more even, and can't be applicable to the drying material that needs the tray that adorns to carry out the tiled baking, and the suitability is lower.

Disclosure of Invention

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides a curing barn and a heat pump drying system for drying materials, so as to avoid the condition that the materials to be dried are wet before and after drying or wet after drying, and the drying effect of the materials to be dried of all types can be more uniform.

In some embodiments, the curing barn for drying materials comprises:

the charging chamber is used for placing the drying materials;

the heating chamber is arranged in the charging chamber and comprises an air channel and an air source heat pump unit, and the air channel is used for conveying air heated by the air source heat pump unit into the charging chamber in a horizontal or vertical mode.

In some embodiments, the heat pump drying system comprises: the curing barn for drying the materials.

The curing barn and the heat pump drying system for drying materials provided by the embodiment of the disclosure can realize the following technical effects:

through set up the wind channel in roast room for hot-blast can be dried the drying material along the wind channel, and the structural constraint of having avoided roast room makes fan air supply distance not enough and the difference in temperature from top to bottom big, leads to the dry wet condition in back before the drying material or on dry wet condition down. And carry the air to the loading chamber according to level or vertical mode through the wind channel, can make the stoving effect homoenergetic that needs carry out the flatly formula and toast and need carry out the stoving material that the suspension type toasted more even.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated in the accompanying drawings, which correspond to the accompanying drawings and not in a limiting sense, in which elements having the same reference numeral designations represent like elements, and in which:

fig. 1 is a schematic cross-sectional structure diagram of a baking room for drying materials according to an embodiment of the present disclosure;

fig. 2 is a top view of a hothouse structure for drying materials according to an embodiment of the disclosure;

FIG. 3 is a schematic structural diagram of a branch air duct according to an embodiment of the present disclosure;

FIG. 4 is a side view of a branched duct structure provided by an embodiment of the present disclosure;

FIG. 5 is a schematic structural view of a ventilation wall of a main air duct provided by the embodiment of the disclosure;

FIG. 6 is a schematic structural view of another main duct ventilation wall provided by the embodiment of the disclosure;

FIG. 7 is a schematic diagram of a vent panel provided by embodiments of the present disclosure;

fig. 8 is a schematic structural view of a wind deflector provided in the embodiment of the present disclosure.

Reference numerals:

1: a main air duct; 2: a branched air duct; 21: an outer tube; 22: an inner layer tube; 23: a first step motor; 24: a vertical lower vent; 25: a horizontal vent; 26: an inner layer vent hole; 3: a charging chamber entrance; 4: a fresh air valve; 5: an air source heat pump outdoor unit; 6: a condenser; 7: a main circulating fan; 8: a vertical return air chamber; 9: a sidewall vent wall; 10: a moisture exhaust air valve; 11: a ground return air chamber; 12: a floor ventilation floor; 13: a main duct ventilation wall; 131: a vent orifice plate; 132: a wind deflector; 133: a transmission rail; 134: a second stepping motor; 14: a charging chamber.

Detailed Description

So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

In the embodiments of the present disclosure, terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and their embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the embodiments of the present disclosure may be understood as specific cases by those of ordinary skill in the art.

In addition, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. Specific meanings of the above terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art according to specific situations.

The term "plurality" means two or more unless otherwise specified.

In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

With reference to fig. 1-8, an embodiment of the present disclosure provides a hothouse for drying materials, including: a charging chamber 14 and a heating chamber. The charging chamber 14 is used for placing drying materials. The heating chamber is arranged in the charging chamber 14 and comprises an air channel and an air source heat pump unit, and the air channel is used for conveying air heated by the air source heat pump unit into the charging chamber 14 in a horizontal or vertical mode.

The integral structure of the curing barn can be a cylindrical structure, a cube or a cuboid, and the integral structure of the curing barn is not limited. The charging chamber 14 further includes a charging chamber access door 3 for placing the drying material into and out of the charging chamber 14.

Adopt the roast room for material is dried that this disclosed embodiment provided, can be through setting up the wind channel in roast room for hot-blast can be dried the drying material along the wind channel, and the structural constraint of having avoided roast room makes the fan air supply distance not enough and the difference in temperature from top to bottom big, leads to the drying material before dry the back wet or the wet condition under the upper dry. And carry the air to the charging chamber 14 in according to level or vertical mode through the wind channel, can make the stoving effect homoenergetic that needs carry out the flatly formula and toast and need carry out the stoving material that the suspension type toasted more even.

Optionally, the air duct comprises: a main air duct 1 and a branch air duct 2. The main air duct 1 is disposed in the heating chamber. And the branch air ducts 2 are uniformly distributed at all positions of the charging chamber 14 and are communicated with the main air duct 1.

Wherein the number of the branch ducts 2 is determined according to the space of the charging chamber 14.

Like this, through evenly set up branch wind channel 2 in charging chamber 14, can carry the hot-air in the main air duct 1 to charging chamber 14 in accurately to dry the material.

Alternatively, the main duct 1 is vertically arranged in the middle of the charging chamber 14; the branch air ducts 2 are respectively and uniformly distributed along the circumferential direction and the axial direction of the main air duct 1.

Wherein the main duct 1 and the branch ducts 2 uniformly partition the space in the entire charging chamber 14. Drying material of different grade type can be placed to each spaced apart position, and the branch wind channel 2 of each position department is the air supply mode that corresponds with drying material to the realization is simultaneously to drying material's of different grade type stoving, has improved roast room's suitability.

Like this, through with main wind channel 1 vertical setting in charging chamber 14 middle part, because branch wind channel 2 sets up around main wind channel 1 to evenly distributed is in charging chamber 14 each department, thereby can make branch wind channel 2 the roast room everywhere apart the same, and avoids appearing the condition that hot-blast transport distance is too far, has improved the effect that the material was dried, and makes the effect that the material was dried tend to unanimously, more does benefit to extensive stoving.

Optionally, the branch duct 2 includes: an outer tube 21 and an inner tube 22. The outer tube 21 includes a horizontal vent 25 and a vertical lower vent 24. The inner layer tube 22 is rotationally connected with the inner part of the outer layer tube 21; the inner layer pipe 22 is provided with an inner layer vent hole 26; the inner layer vent hole 26 may communicate with the horizontal vent hole 25 or the vertical lower vent hole 24, respectively.

Wherein, the first stepping motor 23 can drive the inner tube 22 to rotate, so that the inner vent 26 is communicated with the horizontal vent 25 or the vertical lower vent 24. When the inner layer vent hole 26 is communicated with the vertical vent hole, the inner layer vent hole 26 is staggered with the horizontal vent hole 25, so that a vertical air supply mode of the air duct is realized; when the inner layer vent hole 26 is communicated with the horizontal vent hole 25, the inner layer vent hole 26 is staggered with the vertical vent hole, so that the air duct horizontal air supply mode is realized.

By thus communicating the inner layer vent hole 26 of the inner layer tube 22 with the horizontal vent hole 25 of the outer layer tube 21, the branch duct 2 can achieve horizontal air blowing to the charging chamber 14. The vertical air supply of the branch duct 2 to the charging chamber 14 can be realized by communicating the inner layer vent hole 26 of the inner layer tube 22 with the vertical lower vent hole 24 of the outer layer tube 21. Therefore, the targeted drying of all types of drying materials is realized, and the drying effect of the drying materials is ensured.

Optionally, the air source heat pump unit comprises: a condenser 6 and a main circulation fan 7. The condenser 6 is arranged at the upper part of the main air duct 1. The main circulating fan 7 is disposed corresponding to the condenser 6, and is configured to blow air heated by the condenser 6 to the main air duct 1 and the branch air ducts 2.

The air source heat pump unit further comprises an air source heat pump outer unit 5 arranged outside the curing barn.

Like this, through setting up main circulating fan 7 and condenser 6 in main wind channel 1 upper portion, can make hot-air subside downwards through gravity to get into each heating chamber through main wind channel 1 and branch wind channel 2 and dry the material, reduced the energy consumption, improved the suitability of roast room and the efficiency of drying.

Optionally, the main duct 1 includes: the main duct ventilation wall 13. The main air duct ventilation wall 13 is arranged on the side wall of the main air duct 1 and comprises a ventilation hole plate 131, a wind shield 132, a transmission rail 133 and a second stepping motor 134; the vent hole plate 131 is provided with a first vent hole.

The second stepping motor 134 can drive the wind deflector 132 to move on the transmission rail 133, so that the wind deflector 132 shields the first vent hole or the wind deflector 132 is misaligned with the first vent hole, thereby controlling the on/off of the first vent hole.

Like this, through setting up main wind channel ventilation wall 13 on main wind channel 1 lateral wall, can make the air in the main wind channel 1 get into charging chamber 14 with the horizontal mode better in, with the cooperation of the horizontal air supply in branch wind channel 2, can play the effect that better tiled was toasted.

Optionally, the baking room further comprises: a fresh air valve 4. The fresh air valve 4 is arranged at the upper part of the main air duct 1 and used for introducing external fresh air into the main air duct 1.

Therefore, the fresh air valve 4 is arranged at the upper part of the main air duct 1, so that fresh air can be settled downwards through gravity, and after being heated by the condenser 6, the fresh air enters the charging chamber 14 through the main air duct 1 and the branch air ducts 2 to dry materials, so that the energy consumption is reduced, and the efficiency of hot air conveying is improved.

Optionally, the charging chamber 14 comprises: side vent walls 9 and a floor vent floor 12. The side wall ventilation wall 9 is arranged on the side wall of the charging chamber 14 and is used for controlling the on-off of the charging chamber 14 and the vertical air return cavity 8; the floor ventilation floor 12 is arranged on the ground of the charging chamber 14 and is used for controlling the on-off of the charging chamber 14 and the ground air return cavity 11.

Wherein, the outer wall of the curing barn forms a vertical air return cavity 8 and a ground air return cavity 11 with the hollow wall body formed by the side wall ventilation wall 9 and the ground ventilation floor 12, and the vertical air return cavity 8 and the ground air return cavity 11 form a curing barn air return duct together.

The on-off mode of the side wall ventilation wall 9 and the ground ventilation floor 12 is the same as the on-off mode of the main air duct ventilation wall 13.

Like this, lateral wall ventilation wall 9 sets up on the lateral wall of charging chamber 14, through the break-make of control charging chamber 14 and vertical return air chamber 8, can make the air after drying to the stoving material in the charging chamber 14, directly gets into vertical return air chamber 8 through lateral wall ventilation wall 9 to accomplish the return air. Hot air in the process of the flat baking does not need to enter the ground air return cavity 11 from the ground ventilation floor 12 and then enters the vertical air return cavity 8 to finish air return, and the flat baking efficiency is improved. The ground ventilation floor 12 is arranged on the ground of the charging chamber 14, and air dried by the drying material in the charging chamber 14 can directly enter the ground air return cavity 11 through the ground ventilation floor 12 by controlling the on-off of the charging chamber 14 and the ground air return cavity 11, so that air return is completed. In the suspension type baking process, the branch air duct 2 dries the drying materials in a vertical air supply mode, and air after drying directly passes through the ground ventilation floor 12 to realize air return and improve the suspension type baking efficiency.

Optionally, the curing barn for drying the materials further comprises: and a control module. The control module is configured to determine an air circulation form according to the type of the drying material; controlling the air channel to be switched to a target air supply mode corresponding to the air circulation form according to the air circulation form; and starting the air source heat pump unit to heat.

Wherein, the same or different types of drying materials can be placed in the curing barn. The control module can respectively and independently control the air supply modes of the air channels corresponding to the positions of the drying materials of different types so as to realize the drying of the drying materials of different types at the same time.

In this way, the control module can determine the air circulation form according to the type of the drying material. And then controlling the air channel to be switched to a target air supply mode corresponding to the air circulation form according to the air circulation form. And finally, starting the air source heat pump unit to heat. Through set up the wind channel in roast room for hot-blast drying material along the wind channel, the structural constraint of having avoided roast room makes fan air supply distance not enough and the difference in temperature from top to bottom big, leads to the dry wet condition in the back before the stoving material and on dry under the wet condition. And through switching over the wind channel to the air supply mode that corresponds with the type of stoving material for the stoving material is more abundant with hot-blast contact, thereby makes the stoving to the stoving material more even, has improved the stoving effect.

Optionally, the control module determines an air circulation form according to the type of the drying material, and includes: the control module acquires a drying mode corresponding to the type of the drying material; and the control module determines an air circulation form corresponding to the drying mode according to a preset first corresponding relation.

Therefore, the control module obtains the drying mode corresponding to the type of the dried material, and determines the air circulation mode corresponding to the drying mode according to the preset first corresponding relation. Through the preset corresponding relation, the air circulation form corresponding to the drying mode of the materials is determined, the air circulation form in the baking room can be matched with the drying materials, and therefore the drying effect is improved.

Optionally, the control module controls the air duct to switch to a target air supply mode corresponding to the air circulation form according to the air circulation form, and includes: the control module controls the air channel to be switched into a vertical air supply mode under the condition that the air circulation form is a vertical circulation form; and the control module controls the air channel to be switched into a horizontal air supply mode under the condition that the air circulation form is a horizontal circulation form.

Like this, control module controls the wind channel and switches into vertical air supply mode under the condition that the air cycle form is vertical circulation form to can make the hot-blast to drying material department of sending to blow to drying material according to vertical mode, make drying material and hot-blast contact more abundant. Under the condition that the air circulation form is a horizontal circulation form, the control module controls the air channel to be switched to a horizontal air supply mode, so that hot air delivered to the position of the dried material can be blown to the dried material in a horizontal mode, and the dried material is more fully contacted with the hot air. Through switching over the wind channel to the air supply mode that corresponds with drying material, can make the air cycle form and the drying material phase-match in the roast room, promoted drying material's stoving effect.

Optionally, the control module controls the air duct to be switched to a vertical air supply mode, including: the control module controls the inner tube 22 to rotate a first set stroke angle to align the inner vent 26 with the vertical lower vent 24.

Thus, where the air circulation pattern is a vertical circulation pattern, the control module controls the inner tube 22 to rotate a first set stroke angle to align the inner vent 26 with the vertical lower vent 24. Hot-blast the vertical ventilation hole 24 that will pass through outer layer pipe 21 in 2 inlayer pipes 22 in branch wind channel leads to stoving material department to from last down fully contacting with the stoving material, realizing the vertical stoving mode to the stoving material, satisfying the demand of stoving material to vertical air cycle form, improved the effect of drying.

Optionally, the control module controls the air duct to switch to a vertical air supply mode, and further includes: the control module controls the closing of the ventilation holes of the main air duct ventilation wall 13 and the side wall ventilation wall 9; the control module controls the opening of the vent holes in the floor plenum 12.

Therefore, the control module controls the ventilation holes of the main air duct ventilation wall 13 and the side wall ventilation wall 9 to be closed, so that hot air in the curing barn can be prevented from entering the charging chamber 14 from the horizontal direction, and the vertical circulation form of the hot air in the curing barn is ensured. By opening the vent hole of the floor vent floor 12, the hot air in the baking room can enter the floor return chamber 11 through the floor vent floor 12 to return air.

Optionally, the control module controls the air duct to switch to a horizontal air supply mode, including: the control module controls the inner tube 22 to rotate a second set stroke angle to align the inner vent 26 with the horizontal vent 25.

Thus, in the case where the air circulation pattern is a horizontal circulation pattern, the control module controls the inner tube 22 to rotate by a second set stroke angle so that the inner vent 26 is aligned with the horizontal vent 25. Like this, the hot-blast horizontal ventilation hole 25 that will pass through outer pipe 21 of branch wind channel 2 inlayer pipe 22 leads to stoving material department to the horizontal direction fully contacts with stoving material, realizes the horizontal stoving mode to stoving material, satisfies the demand of stoving material to horizontal air cycle form, has improved the effect of drying.

Optionally, after the control module controls the inner tube 22 to rotate by a second set stroke angle to align the inner vent 26 with the horizontal vent 25, the method further includes: the control module controls the ventilation holes of the main air duct ventilation wall 13 and the side wall ventilation wall 9 to be opened; the control module controls the closure of the vent holes of the floor plenum 12.

Thus, the control module controls the ventilation holes of the main air duct ventilation wall 13 and the side wall ventilation wall 9 to be opened, so that hot air in the curing barn can be prevented from entering the charging chamber 14 from the vertical direction, and the horizontal circulation form of the hot air in the curing barn is ensured. And, through controlling the ventilation hole of ground ventilation floor 12 to close, can make the interior hot-blast entering vertical return air chamber of hot-blast looping through main wind channel ventilating wall 13 and lateral wall ventilating wall 9 of baking house carry out the return air.

The embodiment of the disclosure provides a heat pump drying system, which comprises the curing barn for drying materials.

Like this, the loading chamber 14 middle part sets up by main wind channel 1, and main wind channel 1 sets up all around by a plurality of branch wind channels 2, realizes the demand of air supply in the roast room. The hollow wall body formed by the outer wall of the curing barn, the side wall ventilation wall 9 and the ground ventilation floor 12 forms a vertical air return cavity 8 and a ground air return cavity 11 to form a curing barn air return duct. The dehumidifying air valve 10 is arranged on the outer wall of the middle lower part of the curing barn, the fresh air valve 4 is arranged on the upper part of the main air duct 1 of the heating chamber of the curing barn, and the moisture in the curing barn is replaced and discharged outwards through the opening/closing of the two valves.

In the actual drying process, the control module can select the type of the material to be baked, the control module of the baking room can automatically match a proper air circulation form according to the selected type of the material, if the material to be baked in a suspension type such as tobacco leaves is selected, the air circulation form of a vertical air supply mode is matched, and the control module controls the ventilation holes of the side wall ventilation wall 9 and the main air duct ventilation wall 13 to be closed; the ground vent floor 12 vent is open; first step motor 23 drive inlayer ventilation hole 26 of inlayer pipe 22 aligns with outer pipe 21's vertical ventilation hole 24 down, and air source heat pump set and main circulating fan 7 start, form vertical air cycle down, dry the baking to the stoving material in the baking house. If the baked materials needing to be flatly stacked on the tray, such as fresh flowers, preserved fruits and the like, are selected, the air circulation mode of the horizontal air supply mode is matched, and the control module controls the ventilation holes of the side wall ventilation wall 9 and the main air duct ventilation wall 13 to be opened; floor vent 12 vent closure; the first step motor 23 drives the horizontal ventilation hole 25 of inlayer pipe 22 ventilation hole and outer pipe 21 and aligns, and air source heat pump set and main circulating fan 7 start, form horizontal air supply air cycle, and the main wind channel 1 of heating chamber disperses the even air supply along circumference radial line direction all around, and branch wind channel 2 carries out the disturbance along circumference tangential direction air supply, further strengthens horizontal air supply to the material convection current circulation in the tray for the moisture evaporation of stoving material, and the air current field is more even in the baking house.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and illustrated in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A baking room for drying materials is characterized by comprising:

the charging chamber is used for placing the drying materials;

and the heating chamber is arranged in the charging chamber and comprises an air channel and an air source heat pump unit, and the air channel is used for conveying air heated by the air source heat pump unit into the charging chamber in a horizontal or vertical mode.

2. The room as claimed in claim 1 wherein the duct comprises:

the main air duct is arranged in the heating chamber;

and the branch air channels are uniformly distributed at all parts of the charging chamber and are communicated with the main air channel.

3. The curing barn of claim 2,

the main air duct is vertically arranged in the middle of the charging chamber; the branch air ducts are uniformly distributed along the circumferential direction and the axial direction of the main air duct respectively.

4. The curing barn of claim 2 wherein the branch ducts comprise:

the outer layer pipe comprises a horizontal vent hole and a vertical lower vent hole;

the inner layer pipe is rotatably connected to the inside of the outer layer pipe; the inner layer pipe is provided with an inner layer vent hole; the inner layer vent hole may be communicated with the horizontal vent hole or the vertical lower vent hole, respectively.

5. The curing barn according to claim 2, wherein the air source heat pump unit comprises:

the condenser is arranged at the upper part of the main air duct;

and the main circulating fan is arranged corresponding to the condenser and used for blowing the air heated by the condenser to the main air duct and the branch air duct.

6. The curing barn of claim 2 wherein the main duct comprises:

the main air duct ventilation wall is arranged on the side wall of the main air duct and comprises a ventilation pore plate, a wind shield, a transmission track and a second stepping motor; the ventilation pore plate is provided with a first ventilation hole;

the second stepping motor can drive the wind shield to move on the transmission rail, so that the wind shield covers the first vent hole or makes the wind shield and the first vent hole misplace, and the first vent hole is controlled to be switched on or switched off.

7. The baking room of claim 2, further comprising:

and the fresh air valve is arranged at the upper part of the main air duct and used for introducing external fresh air into the main air duct.

8. The baking room as claimed in any one of claims 1 to 7, wherein the charging chamber comprises:

the side wall ventilation wall is arranged on the side wall of the charging chamber and is used for controlling the charging chamber and the vertical air return cavity to be switched on and off;

the ground ventilation floor is arranged on the ground of the charging chamber and is used for controlling the charging chamber and the ground air return cavity to be switched on and off;

the external wall of the curing barn respectively forms the vertical air return cavity and the ground air return cavity with the hollow wall body formed by the side wall ventilation wall and the ground ventilation floor, and the vertical air return cavity and the ground air return cavity jointly form a curing barn air return duct.

9. The baking room of claim 8, further comprising:

and the dehumidifying air valve is arranged on the outer wall of the curing barn and is used for controlling the return air duct of the curing barn and the external on-off of the curing barn.

10. A heat pump drying system, characterized in that it comprises a curing barn for drying materials according to any one of claims 1-9.