JP3974494B2 - Drying equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a drying apparatus in which an air-permeable mat-like object can be dried with drying air, and is particularly advantageously used as an apparatus for drying after washing a mat in a hospital or the like.
[0002]
[Prior art]
Mats used in hospital beds need to be washed and dried, but in natural drying in the sun, it takes a long time to dry completely into the mat, so a drying room where hot air is blown in is used. Often dried in. However, even in such a case, it takes a long time to completely dry the center portion of the mat, so that the drying efficiency is poor, and there is a problem that the loss of hot air is large and the energy consumption is therefore large.
[0003]
To solve this problem, as a mattress dryer that efficiently dries mats, two mats are placed upright in the drying chamber with a gap between them, and the upper ends of these mats can be adjusted in height. Enclose with a guide case, put one side end against the casing of the drying chamber, fill the gap between the other side end and the casing of the drying chamber with a pillow, and send hot air into the drying chamber with a hot air generator There has been proposed an apparatus in which air in the space between mattresses that have become airtight is discharged to the outside by a blower (see Patent Document 1).
[0004]
However, in this dryer, since air is sucked from the entire outer surface of the mattress at a time, the capacity of the intake air blower and the heater for heating and supplying the intake air is increased, and the entire mattress is once at a time. Even with warm air, a certain amount of time is required for heat exchange between the warm air and the inner material of the mattress. If the mattress is relatively thin, it is difficult to maintain the standing position, and the air in the interval is sucked and negative pressure is generated in the interval. The mattress will not be able to withstand it and will not be able to maintain the spacing, reducing the amount of air that will be sucked, Since all the surfaces are sealed surfaces, it is difficult to seal the edges with pillows in particular, so that the leakage of hot air occurs and the passing rate of hot air passing through the mattress is insufficient, and the four edges that are the sealing surfaces Since hot air does not hit or flow, there are problems such as incomplete drying of these parts.
[0005]
[Patent Document 1]
Japanese Unexamined Patent Publication No. 2000-225295
[0006]
[Problems to be solved by the invention]
The present invention solves the above-mentioned problems in the prior art, has good drying efficiency, has a small heating and blowing device for drying, has low energy consumption, good handleability of objects, and has various dimensions. It is an object of the present invention to provide a drying apparatus with good adaptability to objects.
[0007]
[Means for Solving the Problems]
In order to solve the above problems, the invention of claim 1 is air permeable. It has a top surface, bottom surface, both side surfaces, and both end surfaces. Matte object Heated, temperature increased and relative humidity decreased In a drying device that can be dried with drying air,
A drying chamber in which the drying air is placed, a table made usable in the drying chamber, and an exhaust means;
The base is an open space on the top and is divided into a plurality of spaces of approximately the same size. A frame plate and a bottom plate that surround the air passage and block the passage of air, and a partition plate that partitions the frame plate and the portion surrounded by the bottom plate, The bottom Opening surface A support portion that can be supported by each of the plurality of space portions divided into the plurality of spaces. Of the table Outside Intake system led to A conduction hole that enables conduction with the bottom surface when the bottom surface is supported by the support portion. Cover the opening surface Formed as
The exhaust means includes It has an intake system, a switching valve, and an intake fan. Said Divided into multiple The air in each space portion is connected to the conduction hole. From the intake system and the switching valve Through Sequentially Separately Outside the drying chamber by the intake fan Formed to allow discharge,
It is characterized by that.
[0008]
The invention of claim 2 is characterized in that, in addition to the above, the table is provided on a cart formed so as to be able to be taken in and out of the drying chamber.
[0009]
According to a third aspect of the invention, in addition to the features of the first or second aspect of the invention, the exhaust means has a switching valve formed integrally.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
FIGS. 1 to 3 show an example of the overall configuration of a drying apparatus to which the present invention is applied, and FIGS. 4 and 5 show structural examples of the shelves.
The drying device is a device in which a mat 1 as a breathable mat-like object can be dried with drying air, and includes a drying chamber 2, a shelf 3 as a table, an intake system 4 as an exhaust means, and switching. It has an operation control panel (not shown), such as a valve 5 and an intake fan 6.
[0011]
In this example, the mat 1 is laid on a hospital bed and washed and dehydrated, and a surface material made of thick fibers is filled with a porous flexible material such as urethane or sponge rubber. Is formed. As shown in FIG. 5, the mat 1 has a length L of about 2 m, a width B of about 1 m, and a thickness t of about 100 to 200 mm, and has an upper surface 1a, a bottom surface 1b, both side surfaces 1c, 1d, It is comprised by the both end surfaces 1e and 1f. The drying apparatus of the present invention can be used for drying various air-permeable objects such as futons, mattresses and carpets as mat-like ones.
[0012]
The drying chamber 2 is hermetically sealed so that drying air can be put therein, and is formed into a square shape by the ceiling 21, the bottom 22, the side walls 23 and 24, and the front and rear walls 25 and 26. Although not shown, the front wall 25 is provided with a suitable door.
[0013]
In order to dry the mat 1, it is only necessary to raise the temperature of the constituent material and expose it to air having a low relative humidity. Therefore, as the drying air, the temperature is usually raised by heating the outside air to increase the relative humidity. Air with reduced pressure is used. Therefore, in this example, the supply system for dry air is an air supply fan 7 (FIG. 2) for sucking and sending outside air, and a steam heating type air heater configured to introduce the air and heat it with steam. 8 (FIG. 2), an air supply system 9 provided so as to blow out hot air, which is drying air generated by heating, from the air outlet 91 of the ceiling 21 of the drying chamber 2.
[0014]
25m for the air supply fan 7 ^Three A capacity of about / min is used. This fan sucks the outside air, passes through the air heater 8 and turns it into hot air, which can be sent into the drying chamber 2, so that it can be of low air pressure, so it is an axial fan similar to a ventilation fan. . The air heater 8 is a fin-tube heat exchanger having a heating heat amount of about 30 KW that heats the outside air having the above air volume from about 20 ° C. to about 80 ° C. If outside air with a relative humidity of about 60% is introduced at 20 ° C., it can be heated to 80 ° C. to obtain almost complete dry air with a relative humidity of 2% or less. An electric heater can be used instead of the steam heating type.
[0015]
As shown in FIG. 4, the shelf 3 is a space portion 31 that is box-shaped in this example, an upper edge 32 indicated by a two-dot chain line on the upper portion as a support portion, a crosspiece 33, and a part of the figure in the figure. The illustrated net member 34, the conduction hole 35, and the like are provided. The space portion 31 is divided into four equal parts in this example, as shown by x-rays in the figure, with the upper surface being an opening surface 36 and a plurality of substantially the same size. That is, the part surrounded by the frame plate 37 and the bottom plate 38 constituting the base 3 is partitioned by the partition plate 39 to 31. ₁ Thirty-one _Four Are formed as four space portions arranged in parallel in four rows. Accordingly, the opening surface 36 also corresponds to the space portion 36. ₁ ~ 36 _Four It consists of
[0016]
As shown in FIG. 5, the upper edge 32, the crosspiece 33, and the net member portion 34 as the support portion are configured to support the bottom surface 1 b of the mat 1, which is the bottom surface of the object, above the opening surface 36. Yes. That is, in this example, punching metal is used above the space portion 31 and the mat 1 is placed on and supported by the upper edge 32, the crosspiece 33, and the net material portion 34 forming the hole portion of the opening surface 36. Like to do. Then, when the bottom surface 1b of the mat 1 is supported by the support portion, at least most of the bottom surface 1b faces the opening surface 36.
[0017]
That is, the opening surface 36 is formed in such a rectangular shape when the mat 1 is rectangular, and if the mat 1 to be dried has the maximum dimension Lm and width Bm, the opening surface 36 is the same. The portion of the maximum mat that is slightly wide from the periphery of the bottom surface 1 b of the maximum mat rides on the upper edge 32 of the support portion forming the opening surface 36, and the other most part is on the opening surface 36. It faces and is formed so as to ride on the crosspiece 33 and the net member portion 34.
[0018]
When the size of the mat 1 to be dried is smaller than the maximum size, the opening surface 36 can be limited to the same size as the mat 1 by an appropriate cover member as described later. . In addition, as a support part, it may replace with the punching metal like this example, and what attached the metal net to the frame, or the thing of a simple frame structure etc. may be sufficient.
[0019]
The conduction hole 35 is 31 ₁ ~ 34 ₁ 35 so as to allow conduction between each of the space portions 31 divided into the outside and the outside. ₁ Thru 35 _Four In this example, 41 penetrates the partition plate 39 to the outside 41 ₁ Thru 41 _Four It is formed as a pipe end portion of an intake pipe 41 made of The conduction hole 35 may be opened in the frame plate 37 or the bottom plate 38.
[0020]
In this example, such shelves 3 are provided in five stages with an interval h in the vertical direction. The interval h is determined by the thickness of the mat inserted and dried in this portion, but is about 250 mm in this example. In the drying apparatus of this example, the distance between the uppermost shelf and the ceiling 21 is made narrower than h because of the height restriction as an actual product. When the conduction hole 35 is opened in the bottom plate 38, it is raised a little to guide the duct. A net material portion 34 and a conduction hole 35 are also provided in each of the five-tier shelf 1.
[0021]
And the 5-stage shelf 3 is provided in the trolley | bogie 40 which was provided with the wheel 40a in this example, and was formed so that insertion / extraction was possible, so that a shelf can be used in a drying chamber by taking in / out of a trolley | bogie. It has become.
[0022]
Thus, if the shelf is made a cart type, the work of loading and unloading the mat on the shelf becomes easy, and the drying chamber 2 can be used for drying various articles other than the mat. Can be improved. In this case, when the carriage is taken in and out, the pipe is simply attached and detached with one touch as will be described later, so that the operation is extremely easy. In addition, in a drying apparatus in which there are a large number of mats to be dried and the operating rate is increased only by the mats, a structure in which shelves and pipes are fixed to the drying chamber can be employed.
[0023]
As shown in FIGS. 4, 1, and 2, the intake system 4 that constitutes a part of the exhaust means has a conduction hole 35 provided in each of the five-stage shelves 3. ₁ Thru 35 _Four From space part 31 ₁ Thirty-one _Four The 41 respectively led through the ₁ Thru 41 _Four An intake pipe 41, and a manifold-like 42 in which these five stages of intake pipes are gathered together in the height direction for five stages. ₁ Thru 42 _Four A vertical duct 42 comprising a lower piece 43 (43 ₁ ~ 43 _Four ), Lower connecting pipe 44 (44) raised upward as shown by the center line ₁ ~ 44 _Four ), These are connected to the upper piece 45 (45 ₁ ~ 45 _Four From these, the four inlets 51 of the switching valve 5 ₁ To 51 _Four The upper connecting pipe 46 (46) connected to each of the inlets 51 consisting of ₁ ~ 46 _Four ), An intake pipe 47 led from the outlet 52 of the switching valve 5 to the inlet 61 of the intake fan 6, and the like.
[0024]
The intake system 4 may be formed entirely by fixed pipes or ducts. In this example, the upper and lower connection pipes 44 and 46 and the intake pipe 47 are flexible tubes such as bellows pipes. In this way, it is easy to guide a large number of pipes in a narrow space, and the drying apparatus can be downsized. In addition, a well-known one-touch connection is possible between the upper ends of the lower connection pipes 44 and the upper pieces 45.
[0025]
FIG. 6 shows a structural example of the switching valve 5.
In this example, the switching valve 5 is a rotary valve formed integrally, and forms the inlet 51 provided at four locations radially in the lateral direction, the outlet 52 provided upward, and these. A main body 53, a shaft 55 rotatably supported by a nylon bush bearing 54, etc., four partition plates 56 provided radially, and each of four inlets 51 formed between these and the main body 53 57 conducted ₁ ~ 57 _Four A valve chamber 57 consisting of only one of these valve chambers (57 in the figure) ₁ ) Is connected to the outlet 52, the valve plate 58 fixed to the shaft 55 and made rotatable, and a rotation (not shown) provided to engage with the end of the shaft 55. The motor 59 (FIG. 2) etc. which make it possible to rotate the axis | shaft 55 via a transmission mechanism are comprised.
[0026]
If such an integrated rotary valve is provided as a switching valve, the installation space in the drying device can be reduced by a compact shape, and the arrangement can be facilitated. However, the switching valve may be an independent on-off valve that is coupled to the upper connecting pipe 46 and can be opened and closed individually.
[0027]
The intake fan 6 has the same capacity as that of the air supply fan 7, but needs to have a certain high suction capacity corresponding to the hot air passage resistance in the mat 1, the intake system 4, and the switching valve 5. In the example, it is a centrifugal fan. It is possible to increase the suction pressure of the intake fan 6 and omit the air supply fan 7. By the exhaust means composed of the intake system 4, the switching valve 5, the intake fan 6 and the like as described above, 31 ₁ ~ 31 _Four The air in each space portion 31 made of the conduction hole 35 ₁ ~ 35 _Four Can be discharged separately via
[0028]
The drying apparatus as described above is used as follows and exhibits its effects.
The cart 40 equipped with the shelves 3 is taken out from the drying chamber 2, and the mats 1 that have been cleaned and sufficiently drained are placed on the shelves 3. In this case, if the mat 1 has a maximum dimension of length Lm × width Bm among mats to be dried by the drying apparatus, as shown in FIG. 5A, the edge portion 1b around the bottom surface 1b. ₁ Rides on the upper edge 32 of the shelf 3, and other parts ride on the crosspiece 33 and the net member 34, and the mat 1 is supported on the shelf 3 by them. And the passage of air becomes possible between the part which got on the net | network material part 34 which is the most surfaces of the bottom face 1b, and the space part 31 of the shelf 3. FIG.
[0029]
When the mat 1 is smaller than the maximum size, as shown in FIG. 5B, when the mat 1 is placed on the opening surface 36 of the shelf 3, the opening 1 where the mat 1 does not get on the opening surface 36 is opened. The portion is covered with a suitable airtight cover sheet 100 such as a heat-resistant vinyl sheet so that only the bottom surface 1b of the mat 1 can be electrically connected to the space below it. Therefore, the mats of various sizes can be placed on the opening surface 36 without any gaps only by adjusting the position of the cover sheet 100, and the drying apparatus of the present invention is adaptable to the mats of various sizes.
[0030]
When the mat 1 is placed on all the five shelves 3 in this way, the carriage 40 is put into the drying chamber 2. In the drying apparatus of this example, a mat with a maximum thickness of 200 mm is placed on the shelf from the bottom to the fourth level, and a mat with a thickness of 100 mm is placed on the shelf at the fifth level. Then, a hand is inserted from a work window (not shown) to connect the upper ends of the lower connection pipes 44 and the upper pieces 45 with one touch.
[0031]
When the carriage 40 is put into the drying chamber 2 and the pipe connection is completed, the air supply fan 7 and the intake fan 6 are operated, and the air heater 8 is supplied with heating steam. Thereby, outside air is taken in and heated to about 85 ° C., and hot air as this drying air is blown into the drying chamber 2 from the outlet 91 via the air supply system 9, and the room has the same temperature. In turn, the air is sucked into the intake fan 6 via the mat 1, the shelves 3, the portions of the intake system 4 and the switching valve 5, and discharged to the outside of the drying chamber 2.
[0032]
In such a flow of air, in the drying apparatus of this example to which the present invention is applied, first, the space portion 31 that is divided into four in the shelf 3 is first. ₁ Is used. That is, the valve plate 58 of the switching valve 5 is in the first position, and the inlet 51 of the inlets 51. ₁ Valve chamber 57 of the four-divided valve chambers 57 connected to ₁ Only the outlet 52 is conducted, and the hot air in the drying chamber 2 is sequentially opened from a part of the upper surface 1a and side surfaces 1c and 1d of the mat 1 and the opening surface 36 of the end surface 1e and the bottom surface 1b. ₁ The part that rides on the opening 36 ₁ , Space part 31 ₁ , Conduction hole 35 ₁ , Intake pipe 41 ₁ , Vertical duct 42 ₁ , Lower piece 43 ₁ Lower connection pipe 44 ₁ , Upper piece 45 ₁ , Upper connecting pipe 46 ₁ , Switching valve inlet 51 ₁ , Valve room 57 ₁ The air is sucked and discharged by the intake fan 6 via the outlet 52 and the intake pipe 47.
[0033]
Thereby, the opening surface 36 of the mat 1 is obtained. ₁ And the first portion in the vicinity thereof are heated by the passing hot air. And the water | moisture content which a mat contains evaporates and is removed with a hot air, The said 1st part of the mat 1 is dried.
[0034]
In this case, since the hot air is almost completely dry air, the evaporated water vapor can be effectively removed. Further, since the mat 1 is opened and exposed to hot air except for a very small portion of the bottom surface 1b supported by the shelf 3, the hot air enters not only the upper surface of the mat 1 but also the side surfaces and end surfaces. Due to the penetration, the first part of the mat is generally well dried.
[0035]
And since the hot air should just flow through about 1/4 part of the mat 1, the mat 1 can be heated effectively with a small air volume per unit time and heating heat quantity. As a result, all devices including the fans 6 and 7 and the pipe system can be reduced in size. Further, since the inside of the drying chamber 2 is entirely heated by the hot air, parts other than the first part of the mat 1 are also exposed to a high temperature environment, preheated mainly in the vicinity of the surface, and the entire drying of the mat is performed. , The drying efficiency can be increased, the drying time can be shortened, and the energy consumption for drying can be reduced.
[0036]
When the first portion is dried for a certain period of time, the motor 59 of the switching valve 5 is driven to rotate the valve plate 58 1/4 through the shaft 55 to the second position. ₂ And the outlet 52 are conducted, and the second portion is dried. That is, the hot air in the drying chamber 2 is sequentially part of the upper surface 1a and the side surfaces 1c and 1d of the mat 1 and the opening surface 36 of the mat 1 ₂ And the second portion in the vicinity thereof, the opening surface 36 of the bottom surface 1b. ₂ The part that rides on the opening 36 ₂ , Space part 31 ₂ , Conduction hole 35 ₂ , Intake pipe 41 ₂ , Vertical duct 42 ₂ , Lower piece 43 ₂ Lower connection pipe 44 ₂ , Upper piece 45 ₂ , Upper connecting pipe 46 ₂ , Switching valve inlet 51 ₂ , Valve room 57 ₂ The air is passed through the outlet 52 and the intake pipe 47, and is sucked and discharged by the intake fan 6.
[0037]
Also at this time, the same effect as the drying of the first portion can be obtained. And in the 1st part, the heating-drying action by the hot air which invaded at the time of drying of the 1st part continues. In other words, when the hot air passes, even if a drying action mainly for heat exchange occurs between the hot air and the heated object made of the mat material and the contained water, the hot air that passes immediately takes the necessary total drying for the heated object. The operation cannot be completed, and it takes a certain time for heat exchange with a certain amount of heat. However, when the second part and the third and fourth parts are subsequently dried by heating, In the portion, a drying operation mainly including heat exchange between the hot air entering the portion and the object to be heated can be continuously performed. As a result, a sufficient preheating drying effect is produced when the next first portion is heated, and the drying efficiency can be extremely improved.
[0038]
When the drying of the second portion for a predetermined time is completed, the switching valve 5 is switched to sequentially dry the third and fourth portions in the same manner as the drying of the first and second portions. Similar effects can be obtained by these dryings. The switching operation of the switching valve 5 is normally performed automatically by an operation control panel (not shown). The fan and heater are also operated on the operation control panel.
[0039]
When the first drying process of the entire mat is completed by drying from the first part to the fourth part, such a drying process is repeated a plurality of times. Thereby, the mat 1 is completely dried. In the operation as described above, the switching between the portions to be dried of the mat 1 is only an operation in which the valve plate 58 of the switching valve 5 is rotated by ¼ at a constant time interval. It is extremely simple, and the driving force for that purpose is small enough that power consumption is hardly a problem. The mat can be dried very effectively by setting the switching time of the drying portion to an appropriate time depending on the size, thickness, material, and the like of the mat 1.
[0040]
As an example, the hot air supply time to each part is set to about 30 seconds, and the drying process is repeated 5 to 10 times corresponding to the drying load of the mat. In the apparatus of this example, 5 sheets in a total time of about 10 to 20 minutes. The mat can be completely dried.
[0041]
In the above description, the operation method in which the valve plate 58 of the switching valve 5 is intermittently rotated at a constant time interval, for example, every ¼ rotation every 30 seconds, has been described. An operation method of continuous rotation at 4 rotations, that is, 0.5 rotations / min may be employed.
[0042]
In that case, for example, the valve chamber 57 ₁ After fully opening, the valve chamber 57 ₁ Valve chamber 57 while closing ₂ Open, corresponding to these two chambers, the opening 36 ₁ And 36 ₂ Thus, the hot air passes through the portions of the mat 1 corresponding to these, and the passing amount of the hot air is distributed to the two portions of the mat 1 corresponding to the opening degree of each valve chamber. As a result, a preheating effect and a heating drying effect occur in both parts of the mat, and the ratio of these effects changes naturally, and a good heating drying effect can be obtained as in the case of the rotation switching operation. it can.
[0043]
【The invention's effect】
As described above, according to the present invention, in the first aspect of the present invention, the drying apparatus has a drying chamber having a predetermined configuration, a base made available in the drying chamber, and an exhaust means. The object can be dried by placing the mat-shaped object on a table and allowing the object to pass through and discharging the drying air from the bottom surface in a drying chamber in which drying air is placed.
[0044]
That is, since the base includes a space portion whose upper surface is an opening surface and a support portion capable of supporting the bottom surface of the object upward, the base supports the bottom surface of the object with the upper opening surface in the space portion. be able to. As a result, it is possible to allow drying air to enter the object from the surface above the opening surface where the bottom surface of the object is supported, and to flow through the bottom surface and into the space part. There is a conduction hole that allows electrical connection to the outside, and the exhaust means is configured to allow the air in the space part to be discharged through the conduction hole. As a result, it is possible to put the drying air into the drying chamber and let the object pass through and discharge it, and in the meantime, the object can be dried.
[0045]
In this case, the drying chamber is filled with the drying air, and the upper surface from the bottom surface which becomes the passage portion of the object to the space of the drying air is exposed to the full drying air. Since the drying air penetrates into the object not only from the upper surface of the object but also from the side surfaces and end surfaces, the entire object including these surfaces can be dried well. That is, in the conventional drying device in which the periphery of the mattress is sealed so that the drying air does not hit the surface, the drying of the surface becomes insufficient, but such a problem is solved in the device of the present invention. ing.
[0046]
In addition, the attachment / detachment of the object to / from the drying apparatus is very simple because the object only needs to be placed on or lowered from a support part that can be supported by the opening surface above the table. In this case, when the bottom surface of the object is smaller than the opening surface, the surface other than the bottom surface of the opening surface may be covered with a suitable sheet-like sealing member. Such work is also easy. And since the object of various dimensions can be processed only by adjusting the covering position of a sealing member, the drying apparatus of this invention is a thing with the adaptability with respect to the object of various dimensions.
[0047]
Furthermore, the space part is divided into a plurality of sizes of approximately the same size, the conduction holes connect the divided space parts to the outside, and the exhaust means can discharge the air in each space part separately. Therefore, for example, when the space part is divided into the first to fourth space parts, the air in the first to fourth space parts can be sequentially and repeatedly discharged at short time intervals.
[0048]
As a result, first of all, the portion corresponding to the opening surface of the first space portion and the first portion in the vicinity of the object are subjected to a drying action by the passing air, and then the second portion and the fourth portion are subsequently received. Similarly, by receiving a drying action and thus each part receiving the drying action in order and repeatedly, the amount of drying air supplied can be reduced and the object can be dried efficiently and quickly.
[0049]
In other words, the drying air only needs to flow through a part of the object, and thus in the above example, almost ¼ part. Therefore, the drying air supply amount per unit time and the drying air The amount of energy supply can be reduced. As a result, the drying air supply device, the exhaust means, and the like can be downsized, and the device cost can be reduced.
[0050]
Further, in order to dry the object, hot air that is usually heated to a high temperature and low humidity of, for example, 80 to 90 ° C. is used as drying air. However, when the hot air passes through the object, A certain amount of time is required for the drying operation mainly including heat exchange with the object. In this case, according to the drying apparatus of the present invention, since the drying air can be passed through the divided parts of the object in order, the drying air passes through each part, and the other parts are passed through. Even when the drying air is flowing, the drying and preheating effect due to the continuous heat exchange also occurs in each non-flowing part, the degree of drying increases and the temperature is also increased before the drying air flows again. As it rises, the drying effect is promoted. As a result, the drying efficiency is improved, the drying time of the entire object is shortened, and energy consumption consisting of steam and electric power for drying can be reduced.
[0051]
When the drying air is switched to flow through each part of the object, it is not necessary to start and stop a blower that supplies air or a heater that heats air, and only the route for supplying air by the exhaust means can be switched. Therefore, the operation for that purpose is simple, and the electric power for the switching drive is very small.
[0052]
In the invention of claim 2, since the platform is provided in a cart formed so as to be able to be taken in and out of the drying chamber, the loading and unloading of the object on the support portion of the platform can be performed in a wide area outside the drying chamber, The work can be facilitated. In addition, when the object is not dried by the drying apparatus, the drying chamber can be used for drying various other objects, and the versatility and operating rate of the drying chamber can be improved. In this case, between the drying chamber and the pedestal, only the duct or duct for discharging the air in the space of the pedestal out of the drying chamber by the exhaust means is involved. By simply doing, you can easily put the table in and out of the drying chamber.
[0053]
In the invention of claim 3, since the switching valve integrally formed as the exhaust means is provided, the apparatus configuration for discharging the air in the plurality of spaces is simplified, the installation space is reduced, and the arrangement in the drying apparatus is easy. Can be
[Brief description of the drawings]
1 shows an example of the overall configuration of a drying apparatus to which the present invention is applied, and is an arrow diagram in the direction of AA in FIG.
FIG. 2 is a plan view of the drying apparatus.
FIG. 3 is a side view of the drying apparatus, and is a view taken along the line BB in FIG.
FIG. 4 is a perspective view of a shelf portion of the drying device.
5A and 5B show a combination state of the shelf and the mat of the drying device, where FIG. 5A is a perspective view and FIG. 5B is a plan view.
FIG. 6 shows a structural example of a switching valve used in the drying apparatus, wherein (a) shows a longitudinal section and (b) shows an aa arrow view, and (b) shows a transverse section (a). FIG.
[Explanation of symbols]
1 mat (object)
1b Bottom
2 Drying room
3 shelves
4 Intake system (exhaust means)
5 Switching valve (exhaust means)
6 Intake fan (exhaust means)
31, 31 ₁ ~ 31 _Four Space
32 Upper edge (support)
33 Cross (support)
34 Net part (support part)
35, 35 ₁ ~ 35 _Four Conduction hole
36, 36 ₁ ~ 36 _Four Opening surface
41, 41 ₁ ~ 41 _Four Intake pipe (intake system, exhaust means)
42, 42 ₁ ~ 42 _Four Vertical duct (intake system, exhaust means)
43, 43 ₁ ~ 43 _Four Lower piece (intake system, exhaust means)
44, 44 ₁ ~ 44 _Four Lower connection pipe (intake system, exhaust means)
45, 45 ₁ ~ 45 _Four Upper piece (intake system, exhaust means)
46, 46 ₁ ~ 46 _Four Upper connection pipe (intake system, exhaust means)
47 Intake pipe (intake system, exhaust means)

Claims (3)

In a drying device that is air permeable and has a top surface, a bottom surface, both side surfaces, and both end surfaces, a mat-like object is heated and dried with drying air that has been heated to a lower relative humidity .
A drying chamber in which the drying air is placed, a table made usable in the drying chamber, and an exhaust means;
The base is composed of a frame plate, a bottom plate, and a frame plate and a bottom plate that form a space portion that is divided into a plurality of sizes of approximately the same size and that surrounds the base plate to block the passage of air. A partition plate that partitions the enclosed portion, a support portion that can support the bottom surface with the opening surface , and conduction between the plurality of divided space portions and an intake system that is led outside the table. A conduction hole that enables the bottom surface to be covered with the opening when the bottom surface is supported by the support,
The exhaust means includes an intake system, a switching valve, and an intake fan, and sequentially separates the air in each of the plurality of divided spaces from the conduction hole via the intake system and the switching valve. It is formed so that it can be discharged out of the drying chamber by the intake fan ,
A drying apparatus characterized by that. The drying apparatus according to claim 1, wherein the table is provided on a carriage that is formed to be able to be taken in and out of the drying chamber. The drying apparatus according to claim 1 or 2, wherein the exhaust means has a switching valve formed integrally.

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