CN113718499B - Drying device and drying method - Google Patents
Drying device and drying method Download PDFInfo
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- CN113718499B CN113718499B CN202010447766.XA CN202010447766A CN113718499B CN 113718499 B CN113718499 B CN 113718499B CN 202010447766 A CN202010447766 A CN 202010447766A CN 113718499 B CN113718499 B CN 113718499B
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
- D06F58/04—Details
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
- D06F58/26—Heating arrangements, e.g. gas heating equipment
- D06F58/263—Gas heating equipment
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Drying Of Solid Materials (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The invention relates to a drying device, comprising: the roller drying cylinder comprises an outer cylinder which is fixedly arranged, and a rotatable inner cylinder which is arranged in the outer cylinder; the inner cylinder is used for accommodating the objects to be dried; the inner cylinder wall is provided with a plurality of through holes so as to communicate the inner cylinder and the outer cylinder space; an air inlet pipe connected with the outer cylinder for supplying dry and hot air for drying to the outer cylinder; the air inlet pipeline is arranged at the lower part of the outer cylinder, and dry hot air is blown out from the lower part of the outer cylinder to form upward drying air flow; during drying, the object to be dried which falls down through rotation moves in opposite directions with the drying airflow and contacts with the drying airflow so as to dry the object to be dried in the inner cylinder; thereby enhancing the contact between the drying air flow and the drying object, enhancing the drying effect and shortening the drying time; the invention also relates to a drying method of the drying device.
Description
Technical Field
The invention relates to the technical field of drying for a dryer, in particular to a drying device and a drying method.
Background
At present, the use ratio of the dryer (dryer, washing and drying integrated machine) is higher and higher, in particular, a drum-type dryer (drum washing and drying integrated machine) is also a daily household appliance of many families, but the drying efficiency of the dryer is poor, the drying time is long, and sometimes the problem that part of the drying air is not dried exists is also caused, which is related to the air flow direction of the drying air flow of the dryer entering an inner cylinder filled with clothes to be dried, the air flow entering the inner cylinder from a drum door seal is usually adopted in the prior art (such as a drum dryer), the axial air flow is generated after the air flow enters the inner cylinder and passes through door glass, and the air flow direction is vertical to the rolling direction of the drum, so that the falling direction of the clothes and the air flow direction are vertical, the contact of the air flow and the clothes is not facilitated, the effect of the drying air flow cannot be fully exerted, and the drying effect is poor, so a drying device capable of fully exerting the effect of the air flow is needed, the drying efficiency is improved, and the drying time is shortened.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a drying device and a drying method.
The technical scheme of the invention is summarized as follows:
in one aspect, the present invention provides a drying apparatus, comprising:
the roller drying cylinder comprises an outer cylinder which is fixedly arranged, and a rotatable inner cylinder which is arranged in the outer cylinder; the inner cylinder is used for accommodating objects to be dried; the inner cylinder wall is provided with a plurality of through holes so as to communicate the inner cylinder and the outer cylinder space;
an air inlet pipe connected with the outer cylinder for supplying dry and hot air for drying to the outer cylinder;
the air inlet pipeline is arranged at the lower part of the outer cylinder, and dry hot air is blown out from the lower part of the outer cylinder to form upward drying air flow; during drying, the rotary falling objects to be dried and the drying airflow move oppositely and contact each other to dry the objects to be dried in the inner cylinder.
Preferably, the bottom opening is formed in the bottom of the outer cylinder, the air inlet pipeline comprises a bottom pipeline connected to the bottom opening and connected with the bottom opening in a sealing mode, so that drying air flow flowing out of the air inlet flows into the drying cylinder from the bottom opening, and the air inlet can be opened or closed.
Preferably, the device further comprises an adjusting mechanism for adjusting the air inlet, so that the air inlet can supply air flow with an adjustable angle with the vertical direction.
Preferably, the bottom pipeline and the bottom opening are rotatably connected to serve as an adjusting mechanism, so that the air inlet is used for supplying air flow with adjustable angles to the vertical direction, and the air flow can be adjusted to different falling positions of the objects to be dried, which are generated by forward rotation/reverse rotation of the inner cylinder.
Preferably, the air inlet comprises a first air inlet and a second air inlet which are arranged along the circumferential direction, and the first air inlet and the second air inlet are symmetrically arranged along the vertical axial section of the outer cylinder and are used for respectively providing drying air flow from bottom to top towards the falling position of the object to be dried when the inner cylinder rotates positively/reversely; when the inner cylinder rotates forward/backward, the first air inlet/the second air inlet can be opened to provide opposite drying air flow.
Preferably, the air conditioner comprises a first bottom pipeline and a second bottom pipeline corresponding to the first air inlet and the second air inlet, wherein the first bottom pipeline/the second bottom pipeline can rotate so that the first air inlet/the second air inlet can supply air flow with an adjustable angle with the vertical direction.
Preferably, when the inner cylinder rotates forward/backward, the second air inlet/first air inlet angle can be opened and adjusted to provide air flow towards the falling position of the objects to be dried.
Preferably, the air inlet comprises one or more air inlets axially arranged along the side wall of the outer cylinder.
Preferably, the drying machine also comprises an air outlet pipe connected with the outer barrel so as to discharge the wet and hot air dried in the drying barrel out of the drying barrel.
Preferably, a drain pipe connected to the outer tub is further included to drain condensed water generated in the drying tub from the drain pipe.
The invention also provides a drying method for the drying device, which comprises the following steps: rotating the inner cylinder to enable the objects to be dried in the inner cylinder to rotate and to fall freely when the objects to be dried in the inner cylinder rotate to a high position; the air inlet pipeline supplies drying air, flows out from the air inlet and provides bottom-up drying air flow for the objects to be dried in the inner cylinder.
Preferably, the air inlet angle is adjustable, and the air inlet angle is adjusted after air inflow so as to face the falling position of the object to be dried in forward rotation/reverse rotation.
Preferably, the air inlets are a first air inlet and a second air inlet which are arranged along the circumferential direction, and the first air inlet and the second air inlet are symmetrically arranged by the vertical axial section of the outer cylinder; when the inner cylinder rotates positively, the first air inlet is opened to provide bottom-up drying air flow for the falling position of the forward-rotating object to be dried; when the inner cylinder is reversed, the second air inlet is opened to provide bottom-up drying air flow to the falling position of the reversed drying object.
Preferably, the first air inlet and the second air inlet are opened at the same time, when the inner cylinder rotates forward, the first air inlet faces vertically upwards to the object to be dried, and the second air inlet adjusts the angle to the object to be dried; when the inner cylinder is reversed, the second air inlet vertically faces upwards to the object to be dried, and the first air inlet adjusts the angle to face the object to be dried.
Compared with the prior art, the invention has the beneficial effects that:
according to the drying device and the drying method, the air inlet is formed in the lower portion of the outer cylinder, so that the air inlet pipeline can provide a bottom-up air flow into the drying cylinder, the air flow can be just opposite to the falling direction of an object (clothes) to be dried in the rotation process, and compared with the prior art, the drying device and the drying method can only supply a drying air flow from the vertical direction or only on the surface of the clothes, the clothes can be dried more effectively, and the drying time is shortened; further, two air inlets and the air inlet can be arranged, the angle of the air inlets can be adjusted, various conditions of forward rotation, reverse rotation and clothes falling position change caused by clothes condition change can be met, and better air flow direction is provided, so that the drying efficiency is improved.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings. Specific embodiments of the present invention are given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a basic schematic diagram of an air intake mode structure of a prior art drying device;
FIG. 2 is a schematic diagram of the air intake mode of the drying device of the present invention;
FIG. 3 is a schematic diagram showing a front view of the drying device with air inlet opposite to the falling direction of clothes;
fig. 4 is a schematic structural view of an outer tub of the drying device of the present invention;
FIG. 5 is a schematic diagram showing a front view structure of an air inlet angle adjustment in the forward rotation of an inner cylinder of the drying device;
FIG. 6 is a schematic diagram showing a front view of the air inlet angle adjustment of the inner drum of the drying device in the invention when the inner drum is reversed;
fig. 7 is a schematic diagram of a front view structure of a first air inlet opening when an inner cylinder of the drying device of the present invention rotates forward;
FIG. 8 is a schematic diagram of a front view of a drying device with an inner cylinder of the drying device being reversed to open a second air inlet;
fig. 9 is a schematic diagram of a front view structure of a drying device according to the present invention, in which a second air inlet is opened when an inner cylinder of the drying device rotates forward;
FIG. 10 is a schematic diagram showing a front view of a first air inlet opened when the inner cylinder of the drying device is reversed;
FIG. 11 is a schematic diagram of a front view structure for adjusting the angles of two air inlets in the forward rotation of the inner cylinder of the drying device;
FIG. 12 is a schematic diagram showing a front view of the drying device according to the present invention, in which the angles of the two air inlets are adjusted when the inner cylinder is reversed;
fig. 13 is a flow chart of the drying method of the present invention.
Reference numerals illustrate:
1-a drying device; 2-an inner cylinder; 21-a through hole; 3-an outer cylinder; 31-the bottom of the outer cylinder; 32-a bottom opening; 4-an air inlet pipeline; 41-an air inlet; 42-bottom pipe; 43-a fan; 44-heating means; 411-a first air inlet; 412-a second air inlet; 421-a first bottom duct; 422-a second bottom conduit; 5-an air outlet pipe; 6-a drain pipe; 7-door body.
Detailed Description
The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a device for practicing the invention. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc. are based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the top-to-bottom dimension, "width" corresponds to the left-to-right dimension, and "depth" corresponds to the front-to-back dimension. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms (e.g., "connected" and "attached") referring to an attachment, coupling, etc., refer to a relationship wherein these structures are directly or indirectly secured or attached to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.
The present invention will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below. It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1, a drying device 1, such as a drum dryer and a drum washing and drying integrated machine, generally comprises a drying drum (an outer drum and a rotatable inner drum) and an air inlet pipeline, and clothes are dried by air entering the drying drum from the air inlet pipeline; as shown in fig. 1, the air intake mode structure of the drying device in the prior art is basically schematic, the air intake mode adopted in the prior art is to intake air at the door seal position of the door body 7, then the direction is changed by the reflection of the glass of the door body 7, the air intake mode basically advances at an axial position of the drying device, and the clothes rotate in the inner cylinder and are vertical to the air intake direction in the falling direction when rising, so that the drying of the clothes is not facilitated.
The invention provides a drying device 1, as shown in fig. 2 and 3, for solving the problems in the prior art, a bottom-up drying air inlet direction is provided to achieve better drying effect, and the drying device specifically comprises: the roller drying cylinder comprises an outer cylinder 3 which is fixedly arranged, and a rotatable inner cylinder 2 which is arranged in the outer cylinder 3; the inner drum 2 is used for accommodating articles to be dried (clothes and trousers are shown in the figure); the wall of the inner cylinder 2 is provided with a plurality of through holes 21 so as to communicate the space between the inner cylinder 2 and the outer cylinder 3, and particularly, the air at the bottom of the outer cylinder 3 can flow to the inner cylinder 2; an air inlet duct 4 connected to the outer tub 3 for supplying dry and hot air for drying to the outer tub 3; the air inlet pipeline 4 is arranged at the lower part of the outer cylinder 3, and dry hot air is blown out from the lower part of the outer cylinder 3 to form upward drying air flow; during drying, the object to be dried which falls down through rotation moves in opposite directions with the drying airflow and contacts with the drying airflow so as to dry the object to be dried in the inner cylinder 2; the dry and hot air enters the inner cylinder 2 from bottom to top through the through hole 21, and in the rotating process, the objects (clothes) to be dried fall from top to bottom, the moving directions of the objects (clothes) to be dried are opposite, the drying contact area and the action effect are fully improved, the drying time is finally shortened, and the drying is relatively uniform; it should be understood that the air inlet pipeline 4 is arranged at the lower part of the outer cylinder, and can generate upward hot air flow, so as to generate relative operation effect on falling to-be-dried objects and improve drying effect. The source of the specific dry hot air can be in a heat pump type, a condensation type, a hot air direct discharge type and other modes in the prior art, and the corresponding heating modes such as a heater, a heat pump and the like can be adopted for heating; in addition, in order to enhance the ventilation, a fan and other devices can be adopted, as shown in fig. 2, a hot air direct-discharge type is adopted, an air inlet pipeline is used for air inlet from the outside, a heating wire 44 and a fan 43 are adopted, and naturally, a condensing type also has similar devices, but air circulates in the interior, and a heat pump type is used for heating the air in a heat pump; in order to strengthen the air intensity of the air inlet pipeline 4 at the lower part of the outer cylinder, a small fan can be arranged on the air inlet pipeline with similar air inlets.
In some embodiments, as shown in fig. 5 and 6, since the rotation direction of the inner drum (dotted line) has forward rotation and reverse rotation, and during rotary drying, the clothes fall off instead of reaching the highest point, generally fall off against the inner drum wall before approaching the highest point, i.e. the forward rotation and reverse rotation can generate two different falling positions, and in order to further improve the drying efficiency, the positions of the air inlet and the falling direction need to be adjusted; an adjusting mechanism is needed for adjusting the air inlet 41, so that the air inlet 41 can supply air flow with an adjustable angle with the vertical direction, the drying state of different clothes falling positions is met, the falling positions are required to be pointed out, the forward and reverse rotation can influence the falling positions, the rotating speed and the clothes weight also have influence on the falling positions, and the adjusting mechanism can also adjust the angle of the air inlet according to the influence factors; the adjusting mechanism can be a variable guide plate arranged at the air inlet of the air inlet 41, or a rotatable design is carried out on a part of the air inlet pipe close to the air inlet 41 as the adjusting mechanism; the following embodiments are explained by taking the rotatable air inlet pipe as an example, and similar technical effects are achieved in the embodiments using other adjusting mechanisms such as a deflector.
The adjusting mechanism can be that the bottom pipeline 42 is rotatably connected with the bottom opening 32, so that the air inlet 41 supplies air flow with an adjustable angle with the vertical direction, and the air flow can adjust different falling positions of the objects to be dried generated by forward rotation/reverse rotation of the inner cylinder; for example, as shown in fig. 5, when the inner drum is rotated forward (clockwise) as viewed from the front of the drying device, the laundry falls off at the position of the inner drum to the left, so that the position of the air inlet 41 to the left to fall toward the laundry can be adjusted, and the drying efficiency is improved; similarly, as shown in fig. 6, the inner drum is reversed (counterclockwise), and the laundry starts to drop at the position of the inner drum to the right, so that the air inlet 41 can be adjusted to the right. Specifically, the laundry falling position is generally related to factors such as a drying speed and a laundry weight, so in a specific manner, the angle to be adjusted can be experimentally measured according to the factors, so as to form a data table or a functional relationship, so that the angle can be adjusted for a specific speed and a specific laundry weight in actual drying.
In some embodiments, as shown in fig. 7 and 8, as another case of improving the relative relation between the air inlet and the clothes falling position, a plurality of air inlets may be provided; from the practical application point of view, a left air inlet for forward rotation and a right air inlet for reverse rotation can be generally arranged; specifically, the air inlet includes a first air inlet 411 and a second air inlet 412 that are arranged along the circumferential direction, the first air inlet 411 and the second air inlet 412 are symmetrically arranged with the vertical axial section of the outer barrel, that is, the bottommost ends of the outer barrel are respectively arranged along the circumferential direction, the whole air inlet is still positioned at the lower part of the outer barrel, and the first air inlet 411 or the second air inlet 412 is closer to the vertical position where the clothes fall; the bottom end of the washing and drying integrated machine is generally a water outlet, so the design of two air inlets of the first air inlet 411 and the second air inlet 412 is adopted, the practical requirements are met, and the drying air flow from bottom to top to the falling position of the object to be dried during the forward rotation/reverse rotation of the inner cylinder 2 is provided respectively; when the inner cylinder 2 rotates forward/backward, the first air inlet 411/the second air inlet 412 can be opened to provide opposite drying air flow; specifically, the two air inlets are symmetrically arranged at a left position and a right position, as shown in fig. 7, when the clothes rotate forward, the clothes drop in a left direction, and at the moment, the first air inlet 411 on the left side can be opened; as shown in fig. 8, when the laundry is reversed, the laundry is dropped in a right direction, and at this time, the right second air inlet 412 may be opened.
In some embodiments, as shown in fig. 9 and 10, the air inlet is arranged toward the rotation axis of the outer tub, and the first air inlet 411/the second air inlet 412 supply the drying air in a radial direction; i.e., in the forward rotation, the second air inlet 412 is opened, and drying air is supplied from the lower right to the upper left; when the air is reversed, the first air inlet 411 is opened, and the drying air is supplied from the lower left to the upper right.
In some embodiments, as shown in fig. 11 and 12, in the case of providing a plurality of air inlets, further rotatable first bottom pipes 421 and second bottom pipes 422 corresponding to the first air inlet 411 and the second air inlet 412 may also be provided, and the first bottom pipes 421 and the second bottom pipes 422 may be rotated, so that the first air inlet 411 and the second air inlet 412 supply an air flow with an adjustable angle to the vertical direction, so as to adapt to the dropping position of the laundry.
In some embodiments, when the inner drum rotates forward/backward, the second air inlet 412/the first air inlet 411 is opened and the air inlet angle is adjusted to provide an air flow toward the falling position of the objects to be dried; as shown in fig. 11, during forward rotation, the clothes drop leftwards, the first air inlet 411 on the left and the second air inlet 412 on the right can both be adjusted in angle to enable the air flow to blow to the dropping position of the clothes, and in particular, as shown in fig. 11, the first air inlet 411 is arranged on the left and is vertically arranged, the adjustment can be omitted, and the second air inlet 412 on the right can rotate for a certain angle according to the requirement; when the rotation is reversed, as shown in fig. 12, the related manner is similar to that of fig. 11, and the discussion of the first air inlet 411 and the second air inlet 412 is reversed, and will not be repeated. In some embodiments, the two air inlets may be adjusted by passing an air inlet pipe through the outer cylinder and dividing the air inlet pipe into two air inlets on the left and right sides in the outer cylinder, and the first bottom pipe 421/the second bottom pipe 422 is located on the wall of the outer cylinder instead.
In some embodiments, as shown in fig. 4, the air inlet includes one or more air inlets axially arranged along the bottom of the outer cylinder, where several air inlets mentioned in the above embodiments only represent positions of the circular section of the drying cylinder in the circumferential direction, and multiple air inlets can be axially arranged at each position to adapt to the requirement of axial distribution of the internal clothes when the inner cylinder rotates, so as to achieve a better drying effect.
In some embodiments, the dryer further comprises an air outlet pipe 5 connected with the outer barrel so as to discharge the hot and humid air dried in the drying barrel out of the drying barrel, wherein the air outlet pipe is arranged in the direct-discharge hot air type dryer, and other modes (heat pump and condensation) determine whether to arrange the air outlet pipe according to requirements.
In some embodiments, the dryer further comprises a drain pipe 6 connected with the outer cylinder to drain the condensed water generated in the drying cylinder through the drain pipe, wherein the condensed water can be generated in the drying process and can be drained through the drain pipe.
Specifically, in some embodiments, an air inlet pipe for air inlet from the door seal can be reserved, and a corresponding air door switch is also arranged at the air inlet of the door seal for switching air inlet modes.
The invention is mainly applied to a roller dryer (washing and drying integrated machine), namely, clothes can fall from the top by rolling, and the improvement of the dryer ensures that air flow can be from bottom to top, further improves the drying effect of the clothes and shortens the drying time. In the form of a washing and drying integrated machine, a drain pipe is also used for drainage of the washing process.
The invention provides a drying method of the drying device, as shown in fig. 13, comprising the steps of: the inner cylinder 2 is rotated, so that the objects to be dried in the inner cylinder 2 rotate and can fall freely when rotating to a high position (specifically, the clothes weight and the rotating speed can be controlled); the air inlet pipeline 4 supplies drying air and flows out from the air inlet 41, so that drying air flow from bottom to top is provided for the objects to be dried in the inner cylinder 2, and the advantages of the device are correspondingly provided, and are not repeated. Specifically, after drying starts, the inner cylinder rotates, the air inlet is opened after a certain time, the fan is opened, the heater is opened, dry and hot air of the air inlet blows to the falling clothes, specifically, the two air inlets respectively correspond to forward/reverse air supply, and then the air inlet angle of the air inlet is adjusted according to the weight and the rotating speed of the clothes according to specific cases; and then, the drying condition is reached, the heater is closed, the fan is closed, the drying is stopped, and the drying is finished.
In some embodiments, the air inlet angle of the air inlet 41 is adjustable, and the air inlet angle of the air inlet 41 is adjusted after air inlet so as to face the falling position of the object to be dried during forward rotation/reverse rotation; specifically, according to the weight and the rotating speed of clothes, the angle is adjusted or the clothes are rotated at a specified angle, in the case of a single air inlet, for example, the air inlet angle of the air inlet can be controlled to be in a range of 5-15 degrees in a left rotation mode during normal rotation, the air inlet angle of the air inlet can be controlled to be in a range of 5-15 degrees in a right rotation mode during reverse rotation, and the angle 0 degree is in a vertical direction.
In some embodiments, the air inlets are a first air inlet 411 and a second air inlet 412; when the inner cylinder rotates positively, the first air inlet is opened to provide bottom-up drying air flow for the falling position of the forward-rotating object to be dried; when the inner cylinder is reversed, the second air inlet is opened to provide bottom-up drying air flow to the falling position of the reversed drying object.
In some embodiments, the angles of the two air inlets are adjustable, and the air inlet angles of the air inlets are adjusted to face the falling position of the object to be dried in forward rotation/reverse rotation, and the specific two air inlets are adjusted; for example, during forward rotation, the first air inlet 411 (left side) can be adjusted by-5 to 5 degrees, and the second air inlet 412 (right side) can be adjusted by 10 to 25 degrees; in the reverse rotation, the first air inlet 411 (left side) can be adjusted by 10-25 degrees, and the second air inlet 412 (right side) can be adjusted by-5 degrees.
In some embodiments, the first air inlet and the second air inlet can be opened at the same time, when the inner cylinder rotates forward, the first air inlet faces vertically upwards to the object to be dried (the first air inlet is movable), and the second air inlet adjusts the air inlet angle to the object to be dried; when the inner cylinder is reversed, the second air inlet vertically faces upwards to the object to be dried (the second air inlet is movable), and the first air inlet adjusts the air inlet angle to face the object to be dried.
Although embodiments of the present invention have been disclosed above, it is not limited to the use of the description and embodiments, it is well suited to various fields of use for the invention, and further modifications may be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the particular details without departing from the general concepts defined in the claims and the equivalents thereof.
The foregoing describes specific embodiments of the present disclosure. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims can be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes in the figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments.
Claims (9)
1. A drying apparatus, comprising:
the roller drying cylinder comprises an outer cylinder which is fixedly arranged, and a rotatable inner cylinder which is arranged in the outer cylinder; the inner cylinder is used for accommodating objects to be dried; the inner cylinder wall is provided with a plurality of through holes so as to communicate the inner cylinder and the outer cylinder space;
an air inlet pipe connected with the outer cylinder for supplying dry and hot air for drying to the outer cylinder;
the air inlet pipeline is arranged at the lower part of the outer cylinder, and dry hot air is blown out from an air inlet at the lower part of the outer cylinder to form upward drying air flow; during drying, the object to be dried which falls down through rotation moves in opposite directions with the drying airflow and contacts with the drying airflow so as to dry the object to be dried in the inner cylinder;
the bottom of the outer cylinder is provided with a bottom opening, the air inlet pipeline comprises a bottom pipeline which is connected to the bottom opening and is in sealing connection with the bottom opening, so that the drying air flow flowing out of the air inlet flows into the drying cylinder from the bottom opening, and the air inlet can be opened or closed;
the air inlets comprise a first air inlet and a second air inlet which are arranged along the circumferential direction, and the first air inlet and the second air inlet are symmetrically arranged on the vertical axial section of the outer cylinder and are used for respectively providing drying air flow from bottom to top towards the falling position of the object to be dried when the inner cylinder rotates positively/reversely; when the inner cylinder rotates forward/reversely, the first air inlet and the second air inlet are opened, and opposite drying air flows are provided at positions which fall against the inner cylinder wall before reaching the highest point when the objects to be dried are respectively conveyed forward/reversely.
2. The drying apparatus of claim 1, further comprising an adjustment mechanism for adjusting the air inlet such that the air inlet is capable of supplying an air flow at an adjustable angle to the vertical.
3. The drying apparatus according to claim 1, comprising a first bottom duct and a second bottom duct corresponding to the first air inlet and the second air inlet, the first bottom duct/the second bottom duct being rotatable such that the first air inlet/the second air inlet provides an air flow at an adjustable angle to the vertical.
4. A drying apparatus according to claim 3 wherein the second inlet/first inlet is openable and the inlet angle is adjusted to provide airflow towards the drop position of the articles to be dried when the inner drum is rotated in either forward or reverse direction.
5. The drying apparatus according to any one of claims 1 to 4, wherein the air intake includes one or more air intakes axially disposed along the bottom of the tub.
6. The drying apparatus according to any one of claims 1 to 4, further comprising an air outlet pipe connected to the outer tub to discharge the damp-heat air dried in the drying drum out of the drying drum.
7. The drying apparatus according to any one of claims 1 to 4, further comprising a drain pipe connected to the outer tub to drain condensed water generated in the drying tub from the drain pipe.
8. A drying method of a drying apparatus, comprising the steps of: rotating the inner cylinder to enable the objects to be dried in the inner cylinder to rotate along with the inner cylinder and to fall freely when the objects to be dried rotate to a high position; the air inlet pipeline supplies drying air, flows out from an air inlet at the lower part of the outer cylinder and provides drying air flow from bottom to top for objects to be dried in the inner cylinder; the air inlets are a first air inlet and a second air inlet which are arranged along the circumferential direction, and the first air inlet and the second air inlet are symmetrically arranged on the vertical axial section of the outer cylinder and are used for respectively providing drying air flow from bottom to top towards the falling position of the object to be dried when the inner cylinder rotates positively/reversely; when the inner cylinder rotates positively, the first air inlet is opened to provide bottom-up drying air flow to the falling position of the inner cylinder wall before the forward rotation object to be dried reaches the highest point; when the inner cylinder is reversed, the second air inlet is opened to provide drying air flow from bottom to top to the falling position of the inner cylinder wall before the object to be dried is reversed to the highest point.
9. The drying method of claim 8, wherein the air inlet angle is adjustable, and the air inlet angle is adjusted after air intake to face the falling position of the object to be dried during forward/reverse rotation.
Priority Applications (1)
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| CN114318814B (en) * | 2021-12-07 | 2022-11-25 | 珠海格力电器股份有限公司 | Drying air duct, washing and drying integrated machine and control method of drying air duct |
| CN114836958B (en) * | 2022-04-25 | 2023-08-22 | 安徽金帅洗衣机有限公司 | Condensing type impeller washing and drying integrated machine |
| CN114909882A (en) * | 2022-06-24 | 2022-08-16 | 江苏海狮机械股份有限公司 | Hot air circulating system of dryer and waste heat utilization and control method thereof |
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