JPH09117744A - Organic matter treating device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To exhibit a stabilized capacity over a long period by carefully monitoring the surface level of a carrier contained in a treating tank and preventing the deterioration of the internal environment due to the excess level ascension. SOLUTION: An org. matter is introduced into a treating tank 1 contg. a microorganism carrier A kept at a specified temp. by the heating of a panel heater 6 from the lower side to decompose the org. matter by the action of the microorganism living in the carrier A, and a detector 8 for detecting the surface level of the carrier A is arranged. Meanwhile, the detection result of the detector 8 is indicated on an indicating part on a control panel 90 and informed to a user. Further, when the level detected by the detector 8 exceeds a specified value, the panel heater 6 is energized to keep the inside of the tank 1 at a higher temp. than in the normal running, and an air fan 15 is operated to increase the amt. of ventilation in the tank above that in the normal running.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an organic substance treating apparatus for decomposing and treating organic substances such as garbage by the activity of microorganisms.

[0002]

2. Description of the Related Art As one method for treating organic substances such as kitchen waste (garbage) generated in kitchens of ordinary households and restaurants, there is a method of utilizing decomposition by microorganisms. The organic substance treatment apparatus by this method is configured by opening a charging port in the upper part of a treatment tank that stores a carrier for microorganisms (sawdust, wood chips, activated carbon, etc.), and arranging an agitating means inside the charging port. The organic substance, which is subsequently charged into the treatment tank, is left in a state of being mixed in the carrier by the operation of the stirring means, and decomposed by the activity of the microorganisms inhabiting the carrier.

[0003] The decomposition of organic matter in a treatment tank is performed in exactly the same manner as the decomposition of organic matter that is routinely carried out in the natural world. The organic matter put into the treatment tank leaves a small amount of composted residue. The organic matter can be significantly reduced by decomposing into a gas containing carbon dioxide as a main component and water, and discharging the produced gas and produced water out of the treatment tank.

In order to favorably perform the above-described decomposition treatment, an appropriate amount of air (oxygen) is supplied to a carrier which contains an appropriate amount of water and is kept at an appropriate temperature, so that the inside of the treatment tank is activated by microorganisms. It is important to keep the environment suitable for. Therefore, conventionally, an air blower for ventilating the inside of the treatment tank and a heating means for heating the inside of the treatment tank are provided, and the operation of the air blower supplies the outside air into the treatment tank and generates it by decomposition treatment. The excess water thus generated is discharged to the outside of the processing tank to keep the amount of air and the amount of water proper, while the heating operation of the heating means keeps the inside of the processing tank at an appropriate temperature.

In addition, as the decomposition treatment progresses, residues after the decomposition treatment and difficult-to-decompose substances (vinyl bags, disposable chopsticks, shells, etc.) to be added together with the organic substances are accumulated inside the treatment tank, and microorganisms inhabit. There is an inconvenience that the environment is gradually deteriorated and the processing capacity is lowered. Therefore, conventionally, when the surface level of the carrier in the treatment tank exceeds a predetermined upper limit level, for example, the bottom of the treatment tank is opened to take out the carrier, and the carrier is replaced with a new carrier, so that the deterioration of the treatment capacity is caused. I try to prevent it.

[0006]

However, in the prior art, the confirmation of the surface level of the carrier inside the processing tank is as follows.
When the organic matter is thrown in, it is done visually by the user, and the above upper limit level is often overlooked, and the operation is continued without noticing the deterioration of the processing capacity due to the deterioration of the internal environment. Due to the further deterioration of the organic matter, the putrefaction of the input organic matter progressed, giving off an unpleasant odor, and the post-treatment of the putrefactive matter required a great deal of trouble.

Therefore, a scale line showing the upper limit level is formed on the inner surface of the treatment tank to assist the visual confirmation of the surface level, and the organic matter is added according to the description in the operating section for operation and the instruction manual. At the time of throwing in, measures such as encouraging comparison of the scale line with the current surface level are taken,
Exceeding the upper limit level is a phenomenon that occurs irregularly at a low frequency of about once in several months, so it is difficult to make sure of the surface level without fail, and the above-mentioned difficulties cannot be solved. Is the actual situation.

The present invention has been made in view of such circumstances, and constantly monitors the surface level of the carrier inside the treatment tank to prevent the deterioration of the internal environment of the treatment tank due to an excessive increase in the level. It is an object of the present invention to provide an organic substance treatment device that can perform stable treatment performance over a long period of time.

[0009]

In the organic substance treating apparatus according to the present invention, an organic substance is introduced into the inside of a treatment tank for accommodating a carrier, and the inside of the treatment tank is kept at a predetermined temperature by a heating operation of a heating means, and at the same time, a blowing means. In the organic substance treating apparatus for ventilating the inside of the treatment tank by the air blowing operation of the carrier and decomposing the organic substance by the activity of the microorganisms living in the carrier, it is provided with a level detecting means for detecting the surface level of the carrier. To do.

In the present invention, a level detecting means for detecting the surface level of the carrier inside the processing tank is provided, and the surface level of the carrier inside the processing tank is visually detected by the user by the detection of the level detecting means. Get to know without

In addition, it is characterized by further comprising display means for displaying the detection result of the level detection means, and
When the detection level of the level detecting means exceeds a predetermined value, heating control means for causing the heating operation of the heating means to maintain the internal temperature of the processing tank higher than the predetermined temperature, and the processing tank. In order to increase the amount of ventilation in the inside, one or both of the air blow control means for performing the air blow operation of the air blow means is provided.

That is, the detection result of the level detection means is displayed on the display means to notify the user of the current surface level of the carrier without fail, thereby preventing the deterioration of the processing environment due to an excessive increase in the level. Also, when the detection level of the level detecting means exceeds the upper limit level, the internal temperature of the processing tank is kept higher than that during normal operation, and the ventilation volume in the processing tank is increased compared to during normal operation. Operation (strong mode operation) is carried out to promote the activity of microorganisms, enhance the decomposition processing capacity of organic substances to reduce the amount of the carrier, and continue to operate in strong mode if the upper limit level continues. The carrier is dried to facilitate removal from the processing tank.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings showing the embodiments. FIG. 1 is a front sectional view of an organic substance processing apparatus according to the present invention, and FIG. 2 is a side sectional view of the organic substance processing apparatus according to the present invention.

In FIG. 1, reference numeral 1 denotes a treatment tank for decomposing organic substances. As shown in FIG. 2, the processing tank 1 is an open container having a side cross-sectional shape with a lower half part having a semicircular shape, and an opening for introducing organic substances in an upper part thereof. The outer container 2 has a rectangular box shape. It is supported inside. As shown in FIG. 2, a charging chute 20 hanging from the top plate of the outer box 2 is inserted into the opening to form an organic material charging port, and an upper part of the charging chute 20 has an upper portion of the outer box 2. It is openably / closably covered by an upper lid 3 attached to the upper surface.

A suction port 13 and a discharge port 14 are formed in the upper part of the inside of the processing tank 1 at positions apart from each other in the width direction on the rear side of the charging port, and a suction fan 13 and a discharge port 14 are formed in the middle thereof. It is connected by a circulation air duct 16 including 15. As shown in FIG. 2, the circulation air passage 16 is branched on the downstream side of the blower fan 15 (the side close to the discharge port 14), and the exhaust air passage 17 along the rear surface of the processing tank 1 is provided.
Is communicated with the outside of the outer box 2.

When the blower fan 15 is driven,
The air staying in the upper space of the processing tank 1 is sucked into the circulation air passage 16 through the suction port 13, a part of the air is recirculated into the processing tank 1 through the discharge port 14, and the rest is discharged through the exhaust air passage 17. After being discharged to the outside air, an amount of outside air corresponding to this discharge amount is treated tank 1
Ventilation is performed by supplying air to the inside.

In the lower part of the inside of the processing tank 1, a stirring rod 40 is provided laterally between the side walls, and stirring rods are provided at predetermined intervals in the axial direction.
The stirrer 4 is provided by projecting 41, 41 ... radially. As shown in FIG. 1, a stirring motor M is attached to one upper side of the processing tank 1 by being supported by a reinforcing rib of a peripheral wall, and an output end of the stirring motor M is a deceleration formed by combining a transmission belt and a spur gear mechanism. The stirring shaft 40 to the same side through the mechanism
The agitator 4 is connected to the protruding end of the agitator 4 and is rotationally driven in both forward and reverse directions by the rotational force of the agitator motor M transmitted to the agitator shaft 40 via the speed reduction mechanism.

A carrier A made of sawdust, wood chips, etc. is stored in the processing tank 1. As shown by the broken lines in FIGS. 1 and 2, the carrier A has such a depth that the tips of the stirring rods 41, 41. 2), and the semicircular shape of the bottom of the processing tank 1 is set so as to follow the lower half of the rotation locus of the stirring rods 41, 41 ... As shown in FIG. By the rotation of the stirring body 4, the carrier A is stirred over the entire region of the processing tank 1 in the width direction and the depth direction.

At the bottom of the processing tank 1, there is an outlet for the carrier A.
A slide shutter 11 is provided so as to be openably and closably covered. A recovery container 12 detachably attached between a pair of support legs 2a for supporting the outer box 2 faces the lower side of the take-out port 10, and the carrier A inside the processing tank 1 is a shutter 11. When it is opened, it falls into the collection container 12 through the take-out port 10 and is collected by pulling the collection container 12 forward. At the time of this collection, the stirring motor M is driven to rotate the stirring body 4 to stir the carrier A so as to assist the dropping into the collection container 12.

Panel heaters 6 and 6 as heating means are attached to the outer surface of the bottom of the processing tank 1 in the shape of a semicircle on both sides of the opening position of the take-out port 10. The inside of the processing tank 1 is heated from below by the energization. The internal temperature of the processing tank 1 is detected by a temperature detector 7 (see FIG. 4) described later,
The heating by the panel heaters 6 and 6 is performed to keep the internal temperature of the processing tank 1 at a predetermined temperature by energization control (ON / OFF control) based on the detection result of the temperature detector 7.

As shown in FIG. 1, a level detector 8 for detecting the surface level of the carrier A is attached to one side in the width direction of the processing tank 1. FIG. 3 is an enlarged view of the vicinity of the disposition position of the level detector 8. The level detector 8 shown in the drawing has, on the peripheral wall of the processing tank 1, a projection rod of appropriate length inside and outside, which pivotally supports the detection rod 80 so as to be swingable around a horizontal axis, and to the outside of the processing tank 1. The projecting end (operating end) is supported by a support spring 81 while being maintained in a substantially horizontal state, and a micro switch 82 is fixedly provided so as to face the lower side of the operating end.

The mounting position of the detection rod 80 is set so that the inward projecting end (detecting end) of the processing tank 1 is located above the standard level of the carrier A by a predetermined distance.
When the surface level of the carrier A rises and reaches the level (upper limit level) shown by the chain double-dashed line in FIGS. 1 and 3, the detection rod 80 is pushed up against the bias of the support spring 81 by pushing up the detection end. The micro switch 82 is turned on by the operating end that swings and descends accordingly.

In this way, the level detector 8 turns on the micro switch 82 when the surface level of the carrier A inside the processing tank 1 reaches the level (upper limit level) corresponding to the mounting position. It acts as a detecting means. That is, it can be seen that the surface level of the carrier A is lower than the upper limit level when the micro switch 82 is in the off state and higher than the upper limit level when the micro switch 82 is in the on state.

The level detecting means may be one that quantitatively detects the surface level of the carrier A using light, ultrasonic waves, etc., but the upper space of the processing tank 1 in operation will be described later. As described above, the moisture generated by the decomposition of the organic matter is filled with water vapor, and the organic matter and the small pieces of the carrier A are scattered. Therefore, it is difficult to realize the level detection using light, ultrasonic waves, or the like. The level detector 8 shown in FIG. 3 utilizes mechanical contact with the surface of the carrier A, and can detect with high accuracy even under the environment described above. Further, it is possible to arrange a plurality of level detectors 8 in the height direction of the processing tank 1 and detect the arrival at the level corresponding to each arrangement position in multiple stages.

FIG. 4 is a block diagram showing the configuration of a control system for operating the organic matter treatment apparatus according to the present invention. Reference numeral 9 in the figure denotes an operation control unit using a microprocessor. At the input side of the operation control unit 9, a temperature detector 7 for detecting the internal temperature of the processing tank 1 and a level configured as described above are provided. The detector 8 is connected and the output signals of both detectors 7 and 8 are given.

As the temperature detector 7, a known temperature sensor using a thermistor, a bimetal or the like is used, and the operation control unit 9 takes in the output of the temperature detector 7 to sequentially determine the internal temperature of the processing tank 1. Can be recognized.
On the other hand, the output of the level detector 8 is the microswitch 82.
The operation control unit 9 can recognize whether or not the surface level of the carrier A inside the processing tank 1 exceeds the upper limit level by taking in the output.

Further, an operation section 9a for driving operation is connected to the input side of the operation control section 9 and operation contents of the operation section 9a are given. As shown in FIG. 1, the operating portion 9a is provided on an operating panel 90 mounted on the top plate of the outer box 2 while being displaced to one side of the opening of the charging chute 20, and a display portion 9b for displaying operation contents.
It is arranged with.

FIG. 5 is a plan view showing an example of the operation panel 90. On the operation panel 90 shown in the figure, a push button switch 91 for switching the operating state and a push button switch 92 operated when the carrier A is replaced are arranged as the operation section 9a, and as the display section 9b. , Three operation display LEDs 93, 94, 95 which are respectively lit up when the operation state which is sequentially switched by the operation of the push button switch 91 is the operation state in the strong mode, the standard mode and the weak mode which will be described later, and the carrier A
Replacement instruction LE that lights up when replacement is required
D96 is arranged.

On the other hand, on the output side of the operation control unit 9, a stirring motor M which is a drive source of the stirring body 4 and a blower fan 15 inside the circulation air passage 16 are provided via separate drive circuits not shown. Panel heaters 6 and 6 for connecting and further heating the inside of the processing tank 1 are connected through an energizing circuit (not shown), and the stirring of the carrier A by the rotation of the stirring body 4 and the operation of the blower fan 15 are performed. The ventilation of the inside of the processing tank 1 by the above and the heating of the inside of the processing tank 1 by energizing the panel heaters 6 and 6 are performed according to the operation command given from the operation control section 9 separately.

In the organic substance treating apparatus according to the present invention constructed as described above, the organic substance to be treated is introduced into the treatment tank 1 through the introducing chute 20 which opens to the upper part of the outer box 2 when the upper lid 3 is opened. Then, after operating the operation unit 9a on the operation panel 90, specifically, the push button switch 91 for switching the operating state to specify a desired operating mode, the upper lid 3 is closed and used.

The operation control section 9 recognizes the operation mode designated by the input from the operation section 9a, first issues an operation command to the display section 9b, and turns on the operation display LED 94 or 95,
Display the specified operation mode (standard mode or weak mode). The upper lid 3 for opening and closing the upper portion of the processing tank 1 has a transparent window (not shown) covered with a transparent plate at a position corresponding to the mounting position of the operation panel 90 on the upper surface of the outer box 2. The display content of the operation mode on the panel 90 can be visually confirmed through the transparent window even after the upper lid 3 is closed.

Next, the operation control unit 9 causes the stirring motor M, the blower fan 15 and the panel heaters 6 and 6 connected to the output side to operate in the operation mode designated by the operation of the operation unit 9a. Separately issue an operation command. By this operation command, the agitation motor M is driven for a predetermined time (for example, 5 minutes) immediately after the operation of the operation unit 9a, and thereafter, for a short period (for example, 2 minutes) at a predetermined cycle (for example, 1 hour). The blower fan 15 is driven continuously or intermittently so as to perform a predetermined amount of ventilation in the processing tank 1.

To the panel heaters 6 and 6, an operation command is issued to control the energization of these to maintain the internal temperature of the processing bath 1 at a predetermined target temperature. That is, the operation control unit 9 sequentially takes in the output of the temperature detector 7 connected to the input side, and energizes the panel heaters 6 and 6 when the temperature detected by the temperature detector 7 is below the target temperature. The operation is performed to maintain the internal temperature of the processing tank 1 at the target temperature by the on / off control that cuts off the energization when the temperature exceeds the limit.

As a result of the above operation, the organic substances charged into the treatment tank 1 are rotated by the stirring motor 4 immediately after the stirring motor M is driven, and the carrier A stored in the treatment tank 1 is rotated. It is stirred together with it, and is crushed by being pressed against the bottom surface of the processing tank 1 to form fine particles which are dispersed and taken into the carrier A and decomposed by the activity of the microorganisms living in the carrier A. It

The stirring of the carrier A by the rotation of the stirrer 4 is also appropriately performed thereafter in every predetermined cycle, and the air is taken into the inside of the carrier A by this stirring. During this time, the inside of the processing tank 1 is maintained at a predetermined temperature by controlling the energization of the panel heaters 6 and 6, and a predetermined amount of ventilation is performed by the operation of the blower fan 15 and is taken into the carrier A. Organic matter is decomposed into a gas mainly composed of carbon dioxide gas and water, leaving a small amount of composted residue by the activity of microorganisms activated by a proper amount of oxygen and a proper temperature,
The produced gas remains as it is, and the produced water is vaporized and discharged into the upper space of the treatment tank 1, part of which is returned to the inside of the treatment tank 1 through the circulation air passage 16, and the rest is passed through the exhaust air passage 17. It is discharged to the outside air.

The target temperature used in the operation control section 9 differs between the standard mode and the weak mode designated by the operation of the operating section 9a, and the target temperature in the standard mode is higher than the target temperature in the weak mode. It is set.
Thus, by the operation of the operation control unit 9 described above, the processing tank 1
The internal temperature of is maintained at a higher target temperature (eg 40-50 ° C) when the standard mode is specified, and at a lower target temperature (eg 30-40 ° C) when the weak mode is specified. It The specification of the standard mode or the weak mode is made by the user's judgment in accordance with the amount of the organic substances put into the processing tank 1 prior to the operation of the operation section 9a.

That is, when the amount of input organic matter is large, the internal temperature of the treatment tank 1 is kept high by designating the standard mode, the activity of microorganisms in the carrier A is further enhanced, and a large amount of organic matter is rapidly decomposed. On the other hand, when the amount of input organic matter is small, the weak mode can be designated to reduce the energization time of the panel heaters 6 and 6 and reduce the operating cost.

On the other hand, the agitator 4 and the blower fan 15 perform the above-mentioned operation regardless of the operation mode designation in the operating section 9a, and the agitating of the carrier A by the operation of the agitator 4 is performed according to a predetermined procedure. Moreover, the ventilation amount in the processing tank 1 by the operation of the blower fan 15 is maintained at a substantially constant amount.

During the above-described operation, the residue remaining after the decomposition of the organic substances is accumulated inside the treatment tank 1, and the hardly decomposable substances such as the vinyl bag, the disposable chopsticks and the shell, which are charged together with the organic substances, are accumulated. As a result, the habitat of microorganisms in the carrier A is deteriorated. The organic substance treating apparatus according to the present invention is provided with the level detector 8 configured as described above, and the level of the surface level of the carrier A inside the treatment tank 1 obtained as the output of the level detector 8 causes It is possible to reliably know the deterioration of the habitat environment of microorganisms due to the increase in deposits, and it is possible to prevent a decline in processing capacity due to this.

As described above, the output of the level detector 8 is a signal indicating whether or not the surface level of the carrier A exceeds the upper limit level corresponding to the mounting position of the level detector 8, and is given to the operation control section 9. Has been. The upper limit is the carrier A
It is a surface level at which the habitat of microorganisms in the inside is considered to deteriorate, and the operation control unit 9 compensates for the decrease in the processing capacity based on the output of the level detector 8 and notifies the user of the replacement of the carrier A. The following heating control operation, air blow control operation, and display operation are performed. FIG. 6 is a flowchart showing the contents of this operation.

The operation control unit 9 takes in the output of the level detector 8 after the stirring operation of the stirring body 4 at the time of introducing the organic substance, that is, after the surface level of the carrier A is flattened by the stirring ( In step 1), it is determined whether or not the surface level of the carrier A exceeds the upper limit level (step 2), and if it does not exceed the upper limit level, the process returns to step 1 and the next capture timing, that is, the next Wait until the organic matter is added. In this case, the operation unit
The normal operation as described above is performed according to the operation content of 9a.

On the other hand, when the surface level of the carrier A exceeds the upper limit level, the operation control unit 9 outputs regardless of the operation mode (standard mode or weak mode) designated by the operation of the operation unit 9a. The operation command to the panel heaters 6, 6 and the blower fan 15 on the side is changed to perform the strong mode operation (step 3), and the operation command is issued to the display unit 9b to turn on the operation display LED 93 (step 4). ), Informing the user that the vehicle is in the strong mode operation.

The strong mode operation means that the internal temperature of the processing tank 1 heated by the panel heaters 6 and 6 and the ventilation amount inside the processing tank 1 generated by the operation of the blower fan 15 are higher than those in the standard mode operation. The operation control unit 9 operates to maintain the target temperature (40 to 50 ° C.) higher than the target temperature (40 to 50 ° C.) during the standard mode operation.
(80 ° C.) is set, and the heating control operation for performing on / off control of the panel heaters 6 is performed based on this target temperature, and the blower fan 15 is driven at a higher load than in the standard mode operation, A ventilation control operation is performed to increase the ventilation volume in the tank 1.

During the execution of the strong mode operation as described above, the operation control section 9 fetches the output of the level detector 8 at an appropriate cycle and checks whether or not the excess state of the upper limit level continues (step 5) If it is determined that the excess state of the upper limit level has been resolved, the strong mode operation is canceled (step 6), the process returns to step 1, and the operation according to the previously specified operation state is continued while a new organic substance is added. Wait until the input is made, and repeat the above operation.

On the other hand, when the excess state of the upper limit level is not eliminated, it is checked whether or not a predetermined time (for example, one day) set in advance has elapsed (step 7), and the predetermined time has elapsed despite the predetermined time. If the excess state of the upper limit level is not resolved, the operation in the strong mode is continued for a predetermined time (for example, 2 days) thereafter (step 8), and then the replacement instruction LED 96 of the display 9b is turned on (step 9). ), A series of operations is completed.

By the operation of the operation control unit 9 as described above, when the surface level of the carrier A in the processing tank 1 is high and exceeds the upper limit level, the inside of the processing tank 1 is operated normally (standard mode or weak mode). While keeping the temperature higher than during operation)
The ventilation volume in the inside of the treatment tank 1 is increased as compared with that during the normal operation, the activity of microorganisms is further increased, and the input organic matter mixed in the carrier A, and the residue and the hardly decomposable material deposited in the carrier A In order to promptly decompose and reduce the amount of the carrier A, first, a strong mode operation for one day is executed.

When the excess of the upper limit level is not resolved despite this operation, it is determined that the carrier A needs to be replaced to maintain the processing capacity, and the carrier A is further changed for 2 days (total amount). The strong mode operation is continued for 3 days, and the replacement instruction LED 96 lights up. During this time, carrier A
Is dried together with the untreated organic substances, residues, and difficult-to-decompose substances contained in the inside, so that it can be easily taken out to the outside. In response to the lighting of the replacement instruction LED 96, the user operates the shutter at the bottom of the processing tank 1. The deteriorated carrier A can be recovered in the recovery container 12 by opening 11.

During this operation, it is necessary that a new organic substance is not charged, and this is achieved by using the lighting of the operation display LED 93 during the strong mode operation also as the prohibition display. . Further, it is also possible to provide a lock means on the upper lid 3 which is opened when the organic matter is introduced, operate the lock means together with the shift to the strong mode operation, and prohibit the upper lid 3 from being opened.

In the above embodiment, when the detection level of the level detector 8 exceeds the upper limit level, the heating inside the processing tank 1 and the ventilation inside the processing tank 1 are both strengthened. Alternatively, only one of the enhancement of heating and the enhancement of ventilation may be performed.

The opening of the shutter 11 at the bottom of the processing tank 1 for recovering the deteriorated carrier A should be automatically performed by the operation of an opening / closing actuator (not shown) such as an electric motor attached thereto. You can also The push button switch 92 for replacement arranged on the operation portion 9a is a switch for opening the shutter 11 by the operation of the opening / closing actuator, and together with this, the stirring motor M is driven to rotate the stirring body 4 and the carrier A May be assisted in the fall.

FIG. 7 and FIG. 8 are side sectional views showing another embodiment of the opening mechanism at the bottom of the processing tank 1 for recovering the carrier A. As shown in the figure, in this organic substance processing apparatus, the bottom surface of the processing tank 1 having a semicircular shape is provided with a pair of shutter plates 1a and 1b made of curved plates each having a quadrant circular cross-sectional shape. Each of the lower edges is rotatably supported about a horizontal axis, and is integrally formed by an engaging rail 1c that engages with a mating portion of both shutter plates 1a and 1b. Shutter plate 1a, the 1b pivot portion of the sector gear 1d, 1e is is attached respectively, these include the opening and closing motor M _a, the piston of the output end of the M _b are is meshed.

[0052] In Thus, upon recovery of the carrier A is, after removal of the engagement rail 1c, closing motor M _a, the operation of driving the M _b is performed, whereby each separate sector gear 1d, 1e
As the shutter plates 1a and 1b are opened as shown in FIG. 8, the entire bottom surface of the processing tank 1 is opened, and the carrier A inside the processing tank 1 is a collection container facing the lower part.
It is surely dropped into 12 and collected without remaining inside the processing tank 1. Even in this case, the stirring member 4
It is desirable to rotate the to support the fall of the carrier A.

[0053]

As described above in detail, in the organic substance processing apparatus according to the present invention, the level detecting means is provided inside the processing tank so that the surface level of the carrier inside the processing tank can be known without the user's visual observation. By doing so, it is possible to reliably detect the deterioration of the internal environment of the processing tank due to exceeding the level, and it is possible to prevent the deterioration of the processing capacity.

Further, since the display means for displaying the detection result of the level detection means is provided, it is possible to reliably notify the user of the occurrence of the level excess, and by exchanging the carrier according to the notification, a predetermined processing capacity can be obtained. Can keep stable. Furthermore,
When the detection level of the level detection means exceeds the upper limit level, the operation to keep the internal temperature of the processing tank higher than that during normal operation and the ventilation volume in the processing tank to be higher than during normal operation Since one or both of the operation and the operation are performed, the carrier in the processing tank is in a dry state when the carrier is replaced, and the carrier can be easily taken out from the processing tank. Therefore, the present invention has excellent effects.

[Brief description of the drawings]

FIG. 1 is a front sectional view of an organic substance processing apparatus according to the present invention.

FIG. 2 is a side sectional view of the organic matter processing apparatus according to the present invention.

FIG. 3 is an enlarged view of the vicinity of the mounting position of the level detector.

FIG. 4 is a block diagram showing a configuration of a control system of the organic matter processing apparatus according to the present invention.

FIG. 5 is a plan view showing an example of an operation panel.

FIG. 6 is a flowchart showing the control contents according to the detection of the level detector.

FIG. 7 is a side sectional view showing another embodiment of the opening mechanism of the bottom of the processing tank for recovering the carrier.

FIG. 8 is a side sectional view showing another embodiment of the opening mechanism of the bottom of the processing tank for collecting the carrier.

[Explanation of symbols]

 1 Processing Tank 2 Outer Box 3 Upper Lid 4 Stirrer 6 Panel Heater 7 Temperature Detector 8 Level Detector 9 Operation Control Section 9a Operation Section 9b Display Section 15 Blower Fan M Agitation Motor A Carrier

Claims (4)

[Claims] 1. An organic substance is put into a treatment tank for accommodating a carrier, the inside of the treatment tank is kept at a predetermined temperature by a heating operation of a heating means, and the inside of the treatment tank is ventilated by an air blowing operation of an air blowing means. An organic matter treating apparatus for decomposing and treating the organic matter by the activity of microorganisms living therein, comprising an level detecting means for detecting the surface level of the carrier. 2. The organic substance processing apparatus according to claim 1, further comprising display means for displaying a detection result of the level detection means. 3. A heating control means for causing a heating operation of the heating means so as to maintain the internal temperature of the processing bath higher than the predetermined temperature when the detection level of the level detection means exceeds a predetermined value. The organic matter processing apparatus according to claim 1 or 2, further comprising: 4. A blower control means for causing the blower means to blow air when the detection level of the level detection means exceeds a predetermined value so as to increase the ventilation amount in the processing tank. Item 5. The organic substance treatment device according to any one of items 3.