JP5128645B2 - Small dryer - Google Patents

Description

  The present invention relates to an apparatus for uniformly heating and drying powder particles and the like.

  Conventionally, various types of container-rotating dryers are known. As an example, FIG. 5 shows a vacuum type powder processing apparatus B. The processing apparatus B of FIG. 5 relates to the invention described in Patent Document 1 below, and includes a container 102 that can be sealed with powder and granules 101 and a drive unit that rotates the container 102 within the outer box 103. 104, a heating means 105 for heating the powder, granules, and the like 101 in the container 102, and a temperature sensor 106 for measuring the temperature in the container 102 are schematically configured.

  Reference numeral 107 denotes decompression means for vacuuming the inside of the container 102, 108 denotes spraying means for spraying liquid into the container 102 via the communication pipe 109, and 110 denotes a window plate for opening and closing the outer box 103.

  When the powder / granules 101 are dried by the vacuum powder processing apparatus B, the window plate 110 is opened, the stopper 111 of the container 102 is removed from the container 102, and the powder is discharged from the opening 112 of the container 102. The body / grain body 101 is put into the container 102.

  Then, the window plate 110 is closed and the inside of the outer box 103 is heated by the heating means 105. At this time, the temperature in the container 102 is detected by the temperature sensor 106.

  Next, the inside of the container 102 is evacuated by the decompression means 107, and the liquid is sprayed from the spraying means 108 into the container 102 through the communication pipe 109, and the powder, granules, etc. 101 contained in the container 102. Is skinned or granulated and dried with mixing and stirring under vacuum.

  After the drying process, the vacuum state in the container 102 is released, and liquid spraying and heating in the outer box 103 by the heating means 105 are stopped. Then, the window plate 110 is opened, the stopper 111 of the container 102 is removed, and the powder / particles 101 are taken out from the container 102.

JP-A-8-215556

  However, the vacuum-type powder processing apparatus B described in Patent Document 1 is configured in a horizontally long type or a vertically long type depending on the arrangement of the driving means 104 and the pressure reducing means 107 for rotating the container 102. There is a problem that the horizontal dimension or the vertical dimension of the apparatus B becomes large and the processing apparatus B becomes large.

  In addition, when the powder / particles 101 are put into or taken out of the container 102, the container 102 is fixed to the outer shaft portion 113. It is necessary to remove the plug 111 and put the powder / particles 101 or the like 101 into or out of the container 102, which must be performed in the outer box 103, which is very troublesome.

  Furthermore, although not described in Patent Document 1, the container 102 can be removed from the outer shaft portion 113, and the container 102 is taken out of the outer box 102 of the processing apparatus B, and the powder / particles are opened from the opening base 114. Even if a structure capable of loading or unloading 101 or the like is employed, in the state where the container 102 is attached to the outer shaft portion 113, the temperature sensor 106 extends into the container 102. When the container 102 is taken out of the outer box 103, the container 102 is temporarily moved in the longitudinal direction of the temperature sensor 106 and the temperature sensor 106 is taken out from the container 102 in order to avoid the container 102 from being caught by the temperature sensor 106. Therefore, it is necessary to move the container 102 to the outside of the outer box 102, and the work is expected to be very complicated.

  Further, a compressor (not shown) is connected to the communication pipe 109 connected to the spraying means 108. The communication pipe 109 is connected to the outside of the apparatus B from the side surface of the apparatus B other than the window plate 110 that is opened and closed. Therefore, it is necessary to secure a work space for connecting the compressor to the communication pipe 109 in the direction in which the communication pipe 109 is pulled out, and the installation space for the processing apparatus B is inevitably increased.

  Further, when the inside of the outer box 103 is cleaned, the container 102 itself may be an obstacle to cleaning due to the structure in which the container 102 is disposed in the outer box 103, which is inconvenient.

  The present invention can solve the above-described problems, and an object of the present invention is to provide a dryer that can improve the handling workability of the dryer, reduce the size of the device, and reduce the installation space.

  The invention according to claim 1 includes a tank provided with an opening / closing door, a storage container for storing the object to be dried, and a heater for heating the inside of the tank and drying the object to be dried in the storage container. Is attached to one surface of the open / close door so as to be disposed in the tank with the open / close door closed, and includes a drive source for rotating the storage container in the tank on the other surface of the open / close door It is characterized by that.

  According to a second aspect of the present invention, in the small dryer according to the first aspect, the drive source converts the rotation direction of the output shaft extending into the tank to an axis center parallel to one surface of the open / close door. In conjunction with a gear mechanism that rotates the support means of the storage container, the support means is configured to be detachable from the storage container.

  According to a third aspect of the present invention, in the small dryer according to the first or second aspect, the opening / closing door vacuum-treats the liquid spray tube for spraying the liquid into the storage container and the interior of the storage container. A through-hole for allowing the deaeration pipe to protrude out of the tank is provided, and the liquid spray pipe and the deaeration pipe are configured to be able to vent the outside of the tank and the inside of the storage container.

  According to the first aspect of the present invention, since the storage container for storing the object to be dried is attached to one surface of the open / close door, the storage container can be moved out of the tank by opening the open / close door. The container can be easily handled and the tank can be easily cleaned.

  Further, according to the first aspect of the invention, since the drive source for rotating the container is arranged on the surface of the opening / closing door, unlike the structure in which the electric motor is arranged on the side of the drying chamber or the like, A width dimension can be reduced and a dryer can be reduced in size.

  According to the second aspect of the present invention, since the storage container disposed in the tank can be observed from the viewing window of the open / close door, the processing reaction state of the powder and the like in the storage container can be confirmed, which is convenient. is there.

  According to the second aspect of the present invention, since the storage container is configured to be detachable to the support means that is rotated by the gear mechanism that is linked to the drive source attached to the opening / closing door, when the object to be dried is stored in the storage container, The object to be dried can be easily accommodated in the container with the container removed from the support means, and then the container containing the object to be dried is attached to the support means and the door is closed. As a result, it is possible to quickly and easily perform the drying process of the object to be dried.

  Further, when removing the storage container from the support means, the storage container can be detached from the support means by pulling out the storage container in the same direction as the extending direction of the thermocouple disposed in the storage container. Thus, when removing the storage container, there is no need to move the storage container in the longitudinal direction of the thermocouple to take out the thermocouple from the storage container, and then to move the storage container to the outside of the tank, thereby improving workability. be able to.

  According to the invention described in claim 3, the operation of supplying the liquid into the storage container or the operation of connecting the vacuum pump to the deaeration pipe in order to vacuum the interior of the storage container is performed in front of the opening / closing door of the dryer. Unlike the case where these thin tubes are protruded to the side of the dryer, it is not necessary to secure a working space on the side of the dryer, and the installation space of the dryer can be reduced.

It is a perspective view which shows the external appearance of the dryer of this invention. It is the side view and front view of the dryer of this invention. It is a figure which shows the connection state of the storage container utilized for the dryer of this invention. It is a top view of the dryer of the present invention. It is a front view of the conventional vacuum type powder processing apparatus.

  Hereinafter, embodiments of the present invention will be described with reference to FIGS. 1 to 4. FIG. 1 is a perspective view showing an appearance of a dryer A according to the present invention. In FIG. 1, reference numeral 1 denotes a tank provided with a drying chamber inside, and a heater (not shown) is provided in the drying chamber. ing.

  Reference numeral 2 denotes a door (hereinafter referred to as an opening / closing door) for opening and closing the drying chamber of the tank 1, and 3 denotes a handle for opening / closing the opening / closing door 2. 4 is a visual window for confirming the inside of the drying chamber in the tank 1 from the outside of the tank 1, and 5 is integrally attached to the surface of the open / close door 2, and includes an electric motor for rotating a storage container described later. The drive part is shown.

  6a is an operation switch for the electric motor, 6b is a speed adjusting knob for the electric motor, 6c is an indicator 6c for displaying the temperature in the container, and 7 is a controller for adjusting the temperature in the drying chamber. Yes.

  FIG. 2A is a side view of the dryer A described in FIG. As shown in FIG. 2A, a motor 8 is housed and fixed in a drive unit 5 that is integrally attached to the open / close door 2, and the opposite surfaces (hereinafter referred to as the back surface) sandwiching the motor 8 and the open / close door 2. The storage container 9 is fixed so as to be disposed in the drying chamber 10 in the tank 1 with the open / close door 2 closed.

  Reference numeral 11 denotes a narrow tube that penetrates the open / close door 2 and extends at one end to the outside of the tank 1. The other end is bent inside the tank 1 and communicates with the inside of the container 9. The inside of 9 is comprised so that ventilation | gas_flowing is possible.

  FIG. 2B is a front view of the dryer A. As shown in the figure, the viewing window 4 is provided at a position where the state of the storage container 8 fixed to the back surface of the door 2 can be confirmed from the outside. A gear mechanism 15 is attached to the back surface of the open / close door 2 with respect to a base portion 14 that protrudes toward the drying chamber 10 via an attachment plate 13 fixed by a fixing means 12 such as a screw. The gear mechanism 15 transmits the power of the electric motor 8 to the storage container 9 and rotates it.

  FIG. 3 is a longitudinal sectional view showing details of the connection structure between the gear mechanism 15 and the container 9. The gear mechanism 15 has an output shaft 17 of the electric motor 8 (see FIG. 2A) disposed therein, and the rotation operation of the output shaft 17 is performed via a first gear 18 attached to the tip of the second gear 19. It is configured to be able to communicate with.

  The second gear 19 rotates using a first bearing 21 interposed between the outer frame 20 fixed to the gear mechanism 15, and is disposed inside the second gear 19 by the rotation of the second gear 19. A rotating cylinder 22 having a hollow cylindrical shape rotates together with the second gear 19 using a second bearing 23 interposed between the rotating cylinder 22 and the non-rotating cylinder 24.

  A hollow umbrella-shaped cooperating member 25 is integrally attached to the end (the right end of FIG. 3) of the rotating cylinder 22, and the container 9 is clamped to the cooperating member 25 by a clamp 16. It is detachably attached. In this way, the container 9 is configured to rotate with the rotation of the rotary cylinder 22 by attaching the container 9 to the cooperating member 25 using the clamp 16.

  Note that one end (the right end in FIG. 3) of the non-rotating cylinder 24 passes through the hollow portion of the cooperating member 25, and the hollow portion of the non-rotating cylinder 24 is configured to communicate with the inside of the container 9. Yes. A closing member 27 is attached to the other end (the left end in FIG. 3) of the non-rotating cylinder 24 by a fixing screw 26.

  The closing member 27 is formed with a through hole 28 through which the narrow tube 11 (11a, 11b) passes and an insertion hole 30 through which a temperature sensor 29 such as a thermocouple for measuring the temperature in the container 9 is inserted.

  In addition, 11a is a liquid spray tube that sprays liquid into the storage container 9 through the hollow portion of the non-rotating cylinder 24, and 11b is a deaeration tube 11b that vacuums the storage container 9.

  Next, the structure of the container 9 will be described. The container 9 is schematically configured from a hollow body 31 fixed to the cooperating member 25 by a clamp 16 and a lid 33 that closes one end (right end in FIG. 3) opening 32 of the body 31. The lid body 33 is configured to be detachable from the body portion 31 by a clamp 34.

  The lid 33 is provided with a stirring blade 35 that stirs the material to be dried in the container 9 and is configured to rotate around a thermocouple 29 disposed at the center of the body portion 31.

  Next, handling of the dryer A of the present invention will be described. When drying an object to be dried by the dryer A, first, the door 2 of the dryer A is opened (from the state of FIG. 4A to the state of FIG. 4B). Thereby, the storage container 9 fixed to the back surface of the open / close door 2 moves from the inside of the drying chamber 10 of the tank 1 to the outside of the tank 1.

  Next, the clamp 16 shown in FIG. 3 is opened, and the container 9 is removed from the cooperating member 25. Then, an object to be dried is put into the storage container 9, and the storage container 9 is fixed to the cooperating member 25 again using the clamp 16.

  This series of operations can be performed by the operator on the front side of the dryer A (the lower side of FIG. 4B), and the container 9 is pulled out or attached in the longitudinal direction of the body portion 31. Thus, the thermocouple 29 in the container 9 does not get in the way when the body portion 31 is detached or attached.

  Therefore, when removing the storage container 9 from the cooperating member 25, it is not necessary to pull out the storage container 9 in the longitudinal direction of the thermocouple 29 and then move the storage container 9 out of the tank 1, thereby simplifying the operation. Can do.

  When the material to be dried is put into the storage container 9 and the storage container 9 is fixed to the open / close door 2 again, the open / close door 2 is closed (from the state shown in FIG. 4B to the state shown in FIG. 4A). The storage container 9 is stored in the drying chamber 10 of the tank 1 constituting the dryer A.

  Then, the controller 7 shown in FIG. 1 is operated to set the heating temperature of a heater (not shown) disposed in the drying chamber 10 and heat the drying chamber 10 at the set temperature. Next, the motor 8 (see FIG. 2) in the drive unit 5 is driven by operating the operation switch 6a. At this time, the drive speed of the electric motor 8 can be adjusted by the speed adjustment knob 6c.

  When the electric motor 8 is driven, the output shaft 17 shown in FIG. 3 rotates, and the second gear 19 is rotated via the first gear 18 attached to the tip. When the second gear 19 rotates, the rotating cylinder 22 rotates with the rotation of the second gear 19, and the cooperating member 25 fixed to the rotating cylinder 22 rotates.

  Since the container 9 is fixed to the cooperating member 25 using the clamp 16, the rotation of the cooperating member 25 is transmitted to the container 9. Since the object to be dried is accommodated in the container 9 as described above, the object to be dried in the container 9 is dried while being convected by the rotation of the container 9. Note that stirring and convection of the material to be dried in the storage container 9 is promoted by the stirring blades 35 in the storage container 9.

  The temperature in the container 9 during the drying process is detected by the thermocouple 29 and displayed on the temperature indicator 6b shown in FIG.

  When the drying process is completed, the door 2 of the dryer A is opened (see FIG. 4B), and the container 9 is moved out of the drying chamber 10 of the tank 1. Then, the clamp 16 shown in FIG. 3 is removed, and the receiving container 9 is detached from the open / close door 2.

  Also at this time, the container 9 can be easily removed without being interrupted by the thermocouple 29 by being pulled out in the longitudinal direction of the body portion 31. That is, the storage container 9 can be removed only by pulling out the storage container 9 in front of the dryer A shown in FIG. 4B (lower side of FIG. 4B). Then, the object to be dried is taken out from the removed storage container 9, and the drying process is completed.

  On the other hand, when spraying the liquid into the container 9 in the drying process, the liquid is supplied into the container 9 located in the drying chamber 10 of the tank 1 through the liquid spray tube 11a shown in FIG. As a result, the object to be dried can be coated or granulated in the container 9. In the dryer A of the present invention, as shown in FIG. Since it has a structure that penetrates and protrudes to the outside, the liquid supply operation to the liquid spray tube 11a can be performed in front of the dryer A (the left side of FIG. 2A), and the work space is defined as the dryer A. It is not necessary to provide it on the side of the.

  Further, when the inside of the container 9 is vacuum-processed, the deaeration pipe 11b shown in FIG. 3 penetrates the open / close door 2 and protrudes outside the tank 1 as shown in FIG. The operation of connecting the vacuum pump to the deaeration pipe 11b can also be performed in front of the dryer A, and it is not necessary to provide a work space on the side of the dryer A, and the installation space of the dryer A can be reduced. .

  Further, when cleaning the drying chamber 10 in the tank 1, the container 9 can be moved to the outside of the drying chamber 10 by opening the door 2 (see FIG. 4B). There is nothing in the room 10 that obstructs the cleaning, which can be easily cleaned and is convenient.

  As described above, the dryer A of the present invention can be detached from or attached to the storage container 9 by attaching the storage container 9 to the back surface of the open / close door 2. 9 is easy to handle.

  Further, at that time, since the container can be detached or attached without being obstructed by the thermocouple, the work can be simplified and the working time can be shortened.

  Furthermore, by installing the storage container in parallel with the open / close door, it is possible to confirm the processing reaction state of the object to be dried in the storage container from the visual window provided on the open / close door.

  In addition, it is possible to spray the liquid in the storage container 9 or attach a vacuum pump for vacuuming the storage container 9 in front of the dryer A. It is not necessary to secure a space, and the installation space of the dryer A can be reduced.

  Further, since the electric motor that rotates the container 9 is fixed to the surface of the door 2, the size of the dryer A is reduced compared to the conventional product in which the electric motor is attached to the side of the drying chamber 10. can do.

  It is an object of the present invention to provide a dryer that can be reduced in size and installation space.

DESCRIPTION OF SYMBOLS 1 Tank 2 Opening / closing door 3 Handle 4 Viewing window 5 Drive part 6a Operation switch 6b Speed control knob 6c Display 7 Controller 8 Electric motor 9 Container 10 Drying chamber 11 Narrow tube 11a Liquid spray tube 11b Deaeration tube 12 Fixing means 13 Fixing plate 14 Base part 15 Gear mechanism 16, 34 Clamp 17 Output shaft 18 First gear 19 Second gear 20 Outer frame 21 First bearing 22 Rotating cylinder 23 Second bearing 24 Non-rotating cylinder 25 Cooperating member 26 Fixed screw 27 Closing member 28 Through hole 29 Temperature sensor (thermocouple)
30 Insertion hole 31 Body part 32 Opening part 33 Cover body 35 Stirring blade A Dryer

Claims (3)

  A tank provided with an open / close door, a storage container for storing an object to be dried, and a heater for heating the inside of the tank and drying the object to be dried in the storage container, wherein the storage container closed the door A small-sized drying device that is attached to one surface of the open / close door so as to be disposed in the tank in a state, and is provided with a drive source that rotates the storage container in the tank on the other surface of the open / close door. Machine.   The drive source is linked to a gear mechanism that rotates the support means of the storage container by converting the rotation direction of the output shaft extending into the tank around an axis parallel to one surface of the open / close door, and the support means The small dryer according to claim 1, wherein the container is detachable.  The open / close door includes a liquid spray pipe for spraying liquid into the storage container and a through-hole for projecting a degassing pipe for vacuuming the storage container to the outside of the tank, and the liquid spray pipe and the degassing pipe are stored outside the tank. The small dryer according to any one of claims 1 and 2, wherein the inside of the container can be vented.

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