JPS605200A - Drum type dryer - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] [Technical field of invention] The present invention relates to a drum dryer having a dehumidifying function.

[Technical background of the invention]

This kind of dryness! Conventionally, the humid air inside the drum is sucked from the front side of the drum by a -C calming fan through Goku 1 to 5υ into a heat exchanger fixedly installed inside the outer box. At the same time, this humid air was dehumidified by blowing it into the heat exchanger (outside air was cooled 7.lj), and then this dehumidified air was heated through a heating guide equipped with a heater through duct 1. After that, when the heating device is returned to the drum from the front side, for example, 414 is formed.

[Background technology π]

However, in the case of the above configuration, the drum, heat exchanger, and ducts 1 to 1 that connect them are installed inside the outer box.
! As a result, the parts up to 414 become complicated, and the overall size of the outer box is unavoidable, and furthermore, there is a problem that heat loss increases due to heat radiation from the tough parts 1 to 1.

[Purpose of the invention]

Therefore, the first object of the present invention is to provide the heat exchanger with a dehumidifying function while eliminating the need for a duct connecting the drum and the heat exchanger, thereby simplifying the structure and improving overall efficiency. An object of the present invention is to provide a drum type dryer that can be downsized and reduce heat loss.

[tR requirements for invention]

In the present invention, an opening is formed in the back of the drum, and a casing is fixedly provided in the outer box so as to close the opening, and a heat exchanger and an air inside the drum are installed in the casing. a blower means for circulating the air through the heat exchanger;
By installing a heater in the heat exchanger that heats the circulating air that has been dehumidified by being cooled by outside air, the air inside the drum can be directly transferred to the casing without going through a takt. The unique feature is that it is introduced into the drum, dehumidified and heated, and then covered so that it is returned directly to the drum.

[Embodiments of the invention]

A first embodiment of the present invention will be described below with reference to FIGS. 1 to 5. Reference numeral 1 designates an outer box, in front of which a short cylindrical peripheral wall 18 is formed facing inward and serves as an entrance 2 for the material to be dried, and this entrance 2 is opened and closed by a door 3. Obtain J: I have completed 4M. Reference numeral 4 designates a drum for storing the material to be dried, and a short cylindrical portion 4a with an open interior is formed at the center of the front surface of the drum.
is rotatably supported on the outer periphery of the circle 11) of the peripheral wall 1a of the outer box 1 via a bearing 5, and a circular groove 21 (5) is formed on almost the entire back surface, and a rearward facing portion is formed on the periphery thereof. 21 (7 cylindrical part 7'1.b is formed. 7 is a disc-shaped casing, this is a short circle fi on the back of the drum 4) part 4
1) It is inserted into the outer box 1 via a bearing 8 to close the frontage 6, and is fixed inside the outer box 1 via a support plate 9 disposed on the back of the outer box 1. The drum 2 is thus rotatably supported within the outer box 1 by the cylindrical peripheral wall 1a and the gauging 7 in front of the outer box 1.

Now, to explain the casing 7 and its surrounding structure, first, the cooling sink 7 has a front case 10 that is approximately till-shaped, and a ring-shaped opening 11 that is slightly eccentric from the center. The rear case '12 is integrated with the front and rear flanges of the rear case '12 and screwed together.

Circular opening 11 of rear woofer 12 in front case 10
A bearing 13 is fixed to the portion corresponding to the medium heat, and a plurality of air intake ports 14 are formed around the bearing 13 to communicate the inside of the central portion of the casing 7 with the inside of the drum 4. Further, an exhaust port 15 is formed at the top of the front case 10 to communicate the top of the casing 7 into the drum 4.
ing. 16 is a heat exchanger disposed inside the casing 7;
In the case of the embodiment E, as will be understood from the description below, this is configured to also function as a blower means for circulating the air within the drum 4. Hereinafter, the third heat exchanger after this heat exchanger 16
A description will be given with reference to FIGS. 5 to 5.

Reference numeral 17 denotes a circular unit made of aluminum, for example, which has a rearwardly extending surrounding wall 17a formed on its periphery by bending, and a circular trapezoid-shaped bulge 17b facing backwards at approximately medium heat. It consists of Reference numeral 18 denotes a number of flat ventilation pipes made of a material with good thermal conductivity such as aluminum, and these pipes are connected to each other with their long diameters oriented in the front and back. Part 1
A 4 ft. pedestal is provided radially on the rear side of the base plate 17, passing through the peripheral wall portion of the base plate 7b and the surrounding wall portion 17a of the base plate 17, so that the ventilation pipe 18 can act as a fan blade. In addition, the ventilation pipe 1ε3 communicates the inside of the bulging portion 17b with the outer peripheral side of the surrounding wall portion 17a.

Reference numeral 19 designates a large number of fin plates made of aluminum 1XTf, which are not shown in FIG. It is formed in a C wave shape, with four stripes 1 on both sides.
9a into the middle part of the ventilation pipe IE'S in the axial direction, and with the medium-heat four-striped part 19a positioned between the adjacent ventilation pipes 18 and 18, extend it in an annular shape on the rear side of the base plate 17. 20 is an annular wind guide (on the other hand, this) which is placed on the rear side of the 1/x17, approximately in the middle fi1 part of the ventilation pipe 18 in the direction of rotation.-C It is screwed to the base plate 17, so that the space between each ventilation pipe 18 is divided into an inner circumferential side and an outer circumferential side of the base plate 17, and is spaced rearward. 21 is the number of pipes. 17 is a boss provided at approximately medium heat on the swollen portion 17b, and a shaft 22 is attached to this.

Therefore, the heat exchanger 16 with such a configuration is
The front end of the L port 22 is pivotally supported on the socket 111 of the front case 10, and! By penetrating (supporting) the rear part of the bearing 2C-3 installed on the support plate 9 of the outer case 1, the inside of the bulge 17b is inserted into the air intake port 14 formation area of the front gasket 10. It is rotatably arranged in the casing 7 in a state facing θ. 24 is an annular seal, which is pasted on the 0 wall 17a of the base plate 97 and 8i after -C (case 1
It is in active contact with the inner peripheral edge of the circular frontage 11 of No. 2. 24 is a heater, which is fixed to the front case 10 via the support portion 4Δ24a in correspondence with the discharge port 15);
It is integrated into a unit together with the heat exchanger 16 in the cooling chamber (d3), and thereby heats the so-called circulating air flowing from the inside of the casing 7 into the drum 4. still,
25 is a filter frame C1 installed on the front surface of the casing 7 to cover the intake port 14. A filter 26 is attached to the ventilation port 25a formed in this frame to remove lint, etc. from the air flowing from inside the drum 1 into the Kussinga. Remove J-ru.

27 is a water bottle protruding downward from the lowest part of the rear case 12 of the tarsinga, and its lower end protrudes from the bottom of the outer box 1 (extracursively). On the other hand, 28 is a motor fixed to the inner bottom of the outer case 12. First and second drive pulleys 29) and 30 are fitted to the rotating shaft 28a, and the first Ll,
A 4-wheel drive pulley 1-31 is stretched between the outer periphery of the tram 4 and the second drive pulley JO, and is attached to the rear end of the shaft 22 of the heat exchanger 16 at t+X. Driven boo 932
33 is stretched between the round bell 1 and the round bell 1. 34.
! i The back plate of the outer box 1 has a plurality of outside air inlets ζ 35 near the center thereof, and outside air inlets ζ 35 of the outside air inlet ζ 35, respectively. It is already formed.

Next, the effect of the above-mentioned 4M configuration will be described. The material to be dried is put into the drum 4, the door 3 is opened, and the motor 28 and heater 2 are turned on.
When power is applied to the heater 24, the motor 28 rotates and the heater 24 generates light. , -U- drum 4 is rotated via the flat bell 1-31 by the rotation of the drum 28, and the internal drying material t'i(F+
The materials are stirred, and at the same time they are transferred to the tube 2 via the round belt 33.
2 and thus the heat exchanger 16 is rotated. As the heat exchanger 16 rotates, the air in the vent pipe 18 flows radially due to the centripetal force, so that the humid air in the drum 4 flows through the filter 26 and the intake air of the front case 10. The bulge 1 of the heat exchanger 19I in the casing 7 through the opening 14
7b, flows through each ventilation pipe 18, reaches the outer circumferential side of the heat exchanger 16, that is, the outer circumferential side space of the casing 7, and is heated as it passes through the -C heater 24 and becomes warm (I).
It is immediately returned into the drum 4 through the exhaust port 15 of the front βIS case 10 (see the arrow in FIG. 1). The hot water discharged into the drum 4 removes moisture from the material to be dried inside, is sucked into the casing 7, and circulates as described above.

On the other hand, the air between the ventilation pipes 18 (J and #31) flows in the radial direction due to the center of gravity force accompanying the rotation of the heat exchanger 16, so the outside air The air flows from the outside air inlet 35) of the back plate 34 to the blood side of the casing 7 in the outer box 1 as shown by arrow B in FIG. 18 and flows in the radial direction through each ventilation pipe 18, and the guide plate 20
The air is discharged from the outside of the machine through the outside air outlet 36 of the back plate 34. Due to such circulation of outside air, ventilation vibe 18
The cooling force 1 is applied to the base plate 17 and the humid air inside the drum 4 flowing inside the casing 7 is cooled! Come on, this dragon l\4
As the air flows through the ventilation pipe 1B, it condenses on the inner circumferential surface of the ventilation pipe 1B and is dehumidified. i It turns into a dry Wenzhou.

In this way, the material to be dried in the drum 4 can be effectively dried. In addition, the water condensed in the ventilation pipe 18 is shaken off from the outer circumferential end of the ventilation vibrator 18 into the Kussinga by the centrifugal force accompanying the rotation of the heat exchanger 16, and flows downward along the inner circumference 4 (¥) of the gauging 7. It is discharged from the water station 27 outside the aircraft.

According to the above embodiment, the heat exchanger '1 (3) and the heater 2/
Since the casing 7, which has been turned into a unit 1 by closing the open part O of the drum 4, is disposed in the drum 4, the air inside the drum 4 can be pumped through the dow 1, etc. Sudomo is directly inhaled into the Kussinga from the intake port 14, dehumidified and heated, and then the air is drawn directly into the Kussinga from the exhaust port 5 without going through the dashi.
Therefore, there is no need to construct a complex structure such as a duct inside the outer box 1 for circulation of the air inside the drum 4, which reduces the overall cost. Is the structure of 4i simple and simple? In addition to reducing the manufacturing cost, it is also possible to reduce the size of the rest area. Historically, it is different from the system that circulates hot air through the ducts 1 to 4. Since the hot air circulation path outside the drum 4 can be made as short as possible, heat dissipation and hot air leakage can be minimized. Saze (heat utilization body in H7)
The drying efficiency can be improved, the power consumption of the heater 24 can be reduced, and the drying efficiency can be improved.

In particular, in this embodiment, the exchanger 16 is depicted with a large number of ventilation pipes 18 arranged radially on the base plate 17,
By rotating this, heat exchange between the airflow generated by centrifugal force inside and outside the ventilation tube 118 is avoided, so the heat exchanger 1G can also be used as a ventilation means. By installing separate blowers for air and outside air, the drawings can be made even simpler.
(It is possible to achieve further miniaturization, especially thinning in the front-rear direction.) Moreover, since the water condensed on the inner peripheral surface of the ventilation vibrator 18 is cut off by the centrifugal force, Unlike conventional static heat exchangers, it prevents condensed water from forming a thick water film on the heat exchange surface and inhibits heat transfer. It greatly improves the exchange efficiency and improves the drying efficiency by performing dehumidification and increasing the drying efficiency.Furthermore, the fin plate 19 is installed in the heat exchanger 16. The concave stripes 19a of the fins 19 are located between each ventilation pipe 18 (since the four stripes 19a have been formed, airflow is effectively generated by these four stripes 19a), and the heat area increases, allowing heat exchange. An improvement of -h'li in efficiency can be expected.
Installing the system internal board 20] - (Divide the 18 empty ventilation pipes into the inner circumferential side and the outer circumferential side and open the rear side (1
4 What I accomplished hl I et al. H'QB exchanger 16 timesΦ
To prevent the airflow from coming out rearward from the ventilation pipe 18 and flowing back to the inner circumferential side when flowing in the radial direction between the ventilation vibrators 1B due to the air flow, thereby effectively generating airflow. (There is a monkey-C.

Next, the embodiment of the N invention will be explained with reference to FIG. Note that the same reference numeral (=1) is given to a part of 1111 as in the first embodiment, and the explanation will be omitted.
3 and a rearward facing plate 39 that covers the open rear surface of the case 3ε3. 40 is a heat exchanger disposed inside the coolant 3, which is a heat exchange plate C1. This has a flat bottom cylindrical shape with a diameter smaller than that of the case body 38, and the corresponding bottom part is formed into a wave shape. JIS for approximately medium heat on the face plate 39! Outside air is distributed through the warm air distribution room 37a inside the third floor of the rung.
It is divided into one front room with j537 b. A large inlet port 41 and an outlet port 42 facing the inside of the drum 4 are formed at the top and middle part of the case body 38 to open a hot air circulation chamber 37.
a is communicated with the inside of the drum 4, and an inlet/1.2 and an outlet 4 are provided approximately in the center and near the outer periphery of the rear plate 39, respectively.
3 is formed to communicate the inside of the outside air circulation W37b with the outside. C. The exhaust port 42 of the case body 38 is provided with a heater 24 as in the first embodiment. Reference numeral 45 denotes a rotating shaft, which is rotatably supported by bearings 46, 47, and 48 provided in the intermediate heating portions of the base body 38, the heat exchange plate 40, and the rear plate 39, respectively. Reference numeral 49 denotes a centrifugal blower fan constituting the blower means, which is located within the hot air circulation chamber 37a of the casing 37 and fitted into the rotating shaft 45. 50 is '1ゝ) Beam 3 is the core-shaped feed 1:fl Noah C', this (Yo inside the casing 337 outside air gE
Positioned within the air passage 371) and rotated! +lI4 IO to b:
i1'[has been done. 1!11 heat exchange (anti/IO,
The casing 37, which has been made into
1 to the outer box 1r-1.

10 (111 formation J3 I-C7-ta 2ε) and heater 2
When energized 4, the drum 4 and the blower fan 49,50 rotate, and the heater 24 is turned on. Air blower non-7n49
Due to the rotation of Drano, the air in 4-singing 37's warm Jai! I circulation ¥37 Inhaled into a and heat exchange plate 4
The air flows through the drum 4 through the heater 2/'i, is warmed by the heater 2/'i, returns to the drum 4 from the air 15 (see arrow C in FIG. Outside air inflow D 35 of the plate 34 and inlet 4 of the rearward plate 39
3 into the outside air flow 371J of the casing 37 and flows while contacting the heat exchange plate 40, and the rearward plate 39
The outside air is discharged to the outside of the machine through the outflow port 44 and the outside air outflow [13G] of the back plate 34.

The temperature inside the drum 4 due to the stiff air flow: (
Heat exchange is performed between the air and the outside air via the heat exchange plate 40,
Heat exchange plate/IQ to cool humid air inside tram 4
Condensation occurs in the drum 4, which causes the humid air inside the drum 4 to 6!
Air is removed and the material to be dried is dried in the same manner as in the first embodiment. In this way, the construction Cb eliminates the need for the ducts 1 to 11 for circulating the air inside the drum 4 as in the first embodiment. The structure can be significantly simplified, the overall size can be reduced (IL), and heat loss can be prevented and drying efficiency can be improved.

In the second embodiment, the heat exchange plate 40 is connected to the casing 37.
Although the heat exchange plate 40 is fixed to the rear plate 39, the peripheral edge of the heat exchange plate 40 is fixed to the back of the case body 38 to prevent hot air from flowing.
If 37a is divided into 74 sections, the rear plate 39 can be omitted.

Other wooden inventions are not limited to the embodiments described above and shown in the same song, and may be implemented with various changes within the scope of departing from the gist.

(Moving bed of the invention) 4 (As described above, the invention includes closing the opening formed on the back of the drum and providing gauging, and in this casing, a heat exchanger and air inside the drum are connected. JJ+1 means of circulating hot water through a heat exchanger and storing hot water by means of a heat exchanger.
J chive 1 is provided with a holder 9 to heat the circulated air.
(111) The characteristics are changed where the failure occurred, and as a result, the air in the drum is dehumidified and heated by being sucked directly into the gauging through duct 1, and the air is also dehumidified and heated through duct 1. Tough 1 because you can return to the tram
- can be made unnecessary, making the 4vJ structure simpler and simpler than before, and also reducing the overall size.
Reduces heat loss and improves drying efficiency.

4 Figures 1 to 5 of 119 of ``Figure W'' show a first embodiment of the present invention, Figure 1 is a vertical VJi side view of the whole, and Figure 2 is a side view with the back plate removed. Fig. 3 is a perspective view of the heat exchanger, Fig. 4 is a perspective view of the fin plate, Fig. 7455 is a partially enlarged sectional view of the heat exchanger, and Fig. 6 is a U (second embodiment) of the present invention. FIG. 1 is a diagram corresponding to FIG.

In the figure, 1 is an outer box, 4 is a drum, 6 is an opening, 7°37 is a casing, 16 is a heat exchanger (air blowing means), 18 is a ventilation vibrator, 24 is a heater, 40 is a heat exchange plate (heat exchanger) vessel),
49 is a blower fan (blower J! Ii 1st stage).

Applicant: Higashiyo Shibaura Electric Co., Ltd. 689- 1st item 4 Figure 2 3rd episode 1 day 4th episode 5th item

Claims (1)

[Claims] 1. A drum for storing the material to be dried is rotatably provided in an outer box, and a frontage is formed at the back of the drum, and the casing is inserted into the outer box so that the opening is IJJ chained. Fixedly installed in the casing are a heat exchanger and a blower means for circulating the air in the drum through the heat exchanger, the heat exchanger being cooled by outside air. A drum type dryer characterized in that it is unitized with a heater that heats dehumidified circulating air.