JP3092857U - Mobile composting system - Google Patents

Abstract

(57) [Summary] [PROBLEMS] A mobile dewatering vehicle dewaters and collects sludge, and the collected sludge can be converted into compost by a mobile composting vehicle. Provide a mobile composting system that can be transferred to and composted. SOLUTION: A mobile dewatering vehicle 10 equipped with a dehydration facility for dehydrating organic sludge to produce a dewatered cake, and a mobile compost vehicle 40 equipped with a microbial decomposition equipment for fermenting the dewatered cake by microbial decomposition to produce compost. In the mobile composting system, a conveyor 17a for carrying out the dewatered cake is mounted on the bed so as to protrude outside the vehicle body in the mobile dewatering vehicle 10, and the dewatered cake is transferred to the microorganism decomposing equipment in the mobile composting vehicle. A transfer hopper 47 is provided, and the conveyor 17a is protruded outside the vehicle body of the mobile dewatering vehicle 10 to transfer the dewatered cake to the hopper 47 so that the dewatered cake can be transferred between the mobile dewatering vehicle 10 and the mobile compost 40. Configured.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

  The present invention is a mobile composting device that is a combination of a mobile dehydration vehicle and a mobile composting vehicle. It is about the system.

[0002]

[Prior art]

  Conventional mobile composting systems include sludge dewatering to composting. A mobile sludge decomposing device and a mobile dehydrator that perform integrated sludge treatment are known . (See, for example, Patent Documents 1 and 2)

[0003]

[Patent Document 1]           JP 2001-334294 A

[Patent Document 2]           JP, 10-34196, A

[0004]   Mobile sludge described in Patent Document 1 (JP 2001-334294 A). The disassembly device will be described with reference to FIGS. 13 to 15. Figure 13 is a conventional move It is a schematic diagram showing an example of a sludge processing process in a sludge decomposing device. Smell in Figure 13 , Wastewater treatment plant sludge storage tank, solid-liquid separation tank, aerobic biological treatment tank, anaerobic biological treatment Sludge (organic sludge) 107 from the tank or the like is introduced into the mixing tank 102. Mixing tank 1 In 02, the medicine 110 supplied from the medicine tank 101 and the sludge 107 are mixed. . The mixed sludge is sent to the sludge dewatering device 103 and dehydrated. Dewatered sludge 1 08 is supplied to the sludge decomposition tank 104, and is converted into hardly decomposable particulate matter in the sludge decomposition tank 104. Mixed and subject to microbial degradation. Decomposition residue or cleaning liquid after decomposition 109 Is withdrawn from the sludge decomposition tank 104. Further, in FIG. 13, the sludge decomposition tank 1 An operation panel 105 for operating 04 and a power supply 106 are mounted. And in FIG. The sludge decomposing device configured as above is loaded on the vehicle 100 as shown in FIGS. 14 and 15. Then, it moves between the wastewater treatment plants and decomposes sludge in each treatment plant.

[0005]   This mobile sludge decomposing device has a sludge decomposing tank loaded on a vehicle, and It is filled with degradable granules, and is for mixing sludge and refractory granules. It is equipped with mixing means, and it goes around the wastewater treatment plant installed in a dispersed manner. Sludge can be decomposed.

[0006]   By the way, at the wastewater treatment facilities in various places, from the dehydration treatment of organic sludge to the composting treatment. Available not only for sludge treatment that is complete in the process but also for composting by itself. There is also a demand for only the dehydration treatment of the organic sludge, and for example, the above Patent Document 1 (Japanese Patent Laid-Open No. 10- The mobile sludge dewatering vehicle described in Japanese Patent No. 34196) is used.

[0007]   Mobile sludge removal described in the above-mentioned Patent Document 1 (JP-A-10-34196) The water turbine will be described with reference to FIGS. 16 to 17. 16 is a dehydration system And a device surrounded by a two-dot chain line is loaded on a moving vehicle. It is a device. In the figure, reference numeral 201 is a screw press used for dehydration, and 202 is a stain. Mud tank, 203 sludge press-fitting pump, 204 coagulant mixing tank, 205 It is a dissolution tank for the flocculant. The sludge tank 202 is a sludge provided in a sludge treatment plant. The press-fitting pump 203 is connected to the storage tank 206 of Seal the sludge in the mud tank 202 into the screw press 201 via the mixing tank 204. It is possible to press-fit in the state. Reference numeral 207 is the operation of this dehydrator. The reference numeral 208 designates a power generator for the electric power plant.

[0008]   Next, a device outside the moving vehicle that constitutes the dehydration system will be described with reference numeral 20. Reference numeral 9 indicates a water supply source, which is the cleaning pipe 2 of the dissolution tank 205 and the screw press 201. 01a can be dissociated by ligation. 210 is a cake storage hopper , On the conveyor 201b below the cake outlet of the screw press 201 It is connected. Reference numeral 211 denotes a separation tank, which is a filtrate receiver 20 of the screw press 201. 1c is connected and detachable, and its upper wall is connected to the filtrate tank 212. The lower wall is connected to the sludge storage tank 206. Reference numeral 206a is a sludge supply pump, 206b is a blower for stirring and aeration.

[0009]   As shown in FIG. 17, the dehydrating unit configured and arranged as described above is used as a moving vehicle (truck). KU) It is mounted on a loading platform of 200 and moved to a distributed treatment plant, Each device is installed in the sludge storage tank 206 and cake storage hopper 210 that are provided. Based on the above, connection is made and dehydration processing is performed. Dewatering of organic sludge using this dehydrator In order to manage, the sludge tank 202 of the processing equipment of the dehydrated vehicle that was dispatched to the site was installed in the local processing plant. Connected to the sludge storage tank 206, and is used for the filtrate receiver 201c and the cake discharging con- tent. Separation tank 211 and bear storage hopper 210 in which the bear 201b is installed locally To operate the screw press 201.

[0010]

[Problems to be solved by the device]

  The conventional mobile sludge decomposing device described above is capable of performing a single process from sludge dewatering to composting. It is a sludge treatment process that is carried out, but with the specified sludge from the compost user. In response to the demand for high quality composted compost, It has to be composted with sludge, and the days have passed since composting began. It is not possible to add sludge in the middle of the sludge that has passed. In such cases Is the period until the sludge decomposition process by microbial decomposition is completed to the primary fermentation stage (1 vehicle The dehydration treatment equipment cannot be used for 3 to 4 days). In this case, the working time is 4 ~ Since it will not be possible to dehydrate sludge that will be completed in 5 hours, we will do our own composting. If the wastewater treatment facility only requests the sludge to be dehydrated, heavy-weight composting treatment will be performed. To avoid dispatching mobile sludge decomposing equipment to the site with physical equipment installed , A mobile dehydrator has been dispatched to the site to deal with it, but since an empty vehicle will return, To improve the efficiency of the mobile composting system between the mobile dehydrator and the mobile sludge decomposer. Was desired.

[0011]   In the present invention, a mobile dehydration vehicle dehydrates and collects sludge, and the collected sludge is transferred to a mobile computer. Allows for strike vehicles to be composted, and also for mobile dehydrator and mobile compost Easy and hygienic delivery of dehydrated cake between cars for composting It is an object of the present invention to provide a mobile composting system that can be used.

[0012]

[Means for Solving the Problems]

  In order to achieve the above object, the device according to claim 1 dehydrates organic sludge. A mobile dehydration vehicle equipped with a dehydration facility for producing a dehydrated cake and a microorganism for removing the dehydrated cake. Mobile component with microbial decomposition equipment that ferments by decomposition to produce compost It is a mobile composting system consisting of a strike vehicle, and a dehydrated cake is used for the mobile dehydrator. Conveyor for carrying out is installed on the platform so that it projects to the outside of the car body and moves The composting car has a hopper that delivers the dehydrated cake to the microbial decomposition equipment. , The conveyor is projected to the outside of the body of the mobile dehydration vehicle to remove the dehydrated cake from the vehicle. Handing over to the top to receive the dehydrated cake between the moving dewatering car and the moving composting car It is a mobile composting system characterized in that it can be handed over.

[0013]   Further, the invention according to claim 2 has the above-mentioned structure, and is fine for a mobile composting vehicle. A hopper that transfers the dehydrated cake to the biodegradation facility is installed so that it can be rotated and moved. It is provided so as to be movable from the rear part to the range of both left and right side surfaces, and The conveyor is projected to the outside and the hopper is moved to the moving composting vehicle. Move from the rear part of the car body to the range of both left and right sides, and Dehydrated cake conveyed from the conveyor between cars is delivered to the hopper. It is configured so that it can come out.

[0014]

[Embodiment of device]

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 shows the present invention. FIG. 2 is a schematic plan view of the mobile dehydration vehicle of the first embodiment according to FIG. FIG. 3 is a schematic side view of a mobile dehydration vehicle according to a second embodiment of the present invention, and FIG. FIG. 5 is a schematic plan view of the mobile composting vehicle according to the first embodiment of the present invention. FIG. 6 is a side view of a dynamic composting vehicle, and FIG. 6 shows a moving composting vehicle according to a second embodiment of the present invention. FIG. 7 is a schematic plan view of the vehicle, FIG. 7 is a side view of the mobile composting vehicle of FIG. 6, and FIGS. A first example of stop positions of the mobile dehydration vehicle of the embodiment and the mobile compost vehicle of the first embodiment, FIG. 10 is a schematic plan view showing a second example, and FIG. 10 shows a mobile dehydrator according to the second embodiment and that of the first embodiment. A schematic plan view showing an example of a stop position of a mobile composting vehicle, FIG. 11 and FIG. 12 being a first embodiment. First and second stop positions of the mobile dehydration vehicle of the embodiment and the mobile composting vehicle of the second embodiment It is a schematic plan view which shows an example.

[0015]   1 and 2, a mobile dehydration vehicle 10 according to the first embodiment is a truck (vehicle body) 1 The sludge dewatering equipment is mounted on the carrier 12 of No. 1. In addition, this dehydration equipment Covered by a pan-type gull wing hood 13 that can open the sides of the carrier 12. There is. This dehydration equipment is a chemical solution dissolving equipment 1 for producing a coagulation liquid that is stirred and mixed into sludge. 4 and the flocculating liquid prepared in the chemical solution dissolving facility 14 and the sludge to be treated are mixed by stirring. Sludge reaction tank 15 for generating sludge flocs and discharged from this sludge reaction tank 15. A belt-type dehydrator 16 for dehydrating the sludge flocs collected and A conveyor (belt conveyor) 17a for carrying out the water cake to the outside, and this conveyor A filter cloth cleaning pump 18 for cleaning the filter cloth of the Lault type dehydrator 16 with a jet water flow, A control panel 19 for controlling the entire apparatus and pumping sludge into the sludge reaction tank 15 (not shown) Equipped with a slurry pump, a generator (not shown), and the like. Below is a detailed description of these configurations. I will explain in detail.

[0016]   The chemical solution dissolving facility 14 stirs the powder coagulant with water to liquefy the coagulant and coagulate it. The upper part of the chemical solution dissolving part 14a for preparing the collected liquid and the lower part for storing the prepared coagulating liquid It is composed of the side chemical liquid reservoir 14b. The sludge reaction tank 15 contains sludge and a cationic coagulation liquid. Reaction of the first reaction tank 15a for stirring and reacting with and the cationic aggregation liquid A second reaction tank for stirring and reacting the suspension obtained by 15b. The belt-type dehydrator 16 has two endless When the filter cloth is laid between the rolls and driven by the motor 16a, two endless filters are attached. The sludge sandwiched between cloths is dehydrated under pressure.

[0017]   Next, the operation of the mobile dehydration vehicle 10 will be described. And it is installed in the wastewater treatment plant Sludge reaction of organic sludge from a sludge storage tank by a slurry pump (not shown) It is fed under pressure to the first reaction tank 15a of the tank 15. It is charged in the first reaction tank 15a. The sludge thus produced is stirred and mixed with a predetermined amount of cationic flocculant. Sludge due to this mixing A suspension forms in it. The suspension, together with the sludge convection in the tank, It moves to the reaction tank 15b, and in the second reaction tank 15b, the suspension and anionic coagulation A large amount of sludge flocs are generated in the sludge by stirring and mixing with the collected liquid.

[0018]   The sludge flocs thus generated are supplied to the belt type dehydrator 16. Second The sludge flocs supplied from the reaction tank 15b are the two air filters of the belt type dehydrator 16. It is sandwiched between the filter cloths of the dresses and the water in it is dehydrated under pressure to form a dehydrated cake. Become.

[0019]   This dehydrated cake is placed in the hopper of the mobile composting vehicle 40 described later. At the delivery stage, it is discharged from the belt dehydrator 16 and made of stainless steel (or It is slid on a chute S (made of ya plate) and supplied to the carry-out conveyor 17a. Note that During the stage of delivering the dehydrated cake to the hopper of the mobile composting vehicle 40, The muffler 17a is arranged so as to project from the side surface of the vehicle body to the outside.

[0020]   In the mobile dehydration vehicle 10 of the first embodiment described above, the carry-out conveyor 17a is installed in the vehicle body 11 It is slid in the lateral direction of the carrier 12 and is arranged so as to project from the side surface of the vehicle body to the outside. Although the description has been made, the carrying-out container like the mobile dehydration vehicle 10a of the second embodiment in FIG. Slide the bear 17b in the longitudinal direction of the loading platform 12 of the vehicle body 11 to remove it from the rear surface of the vehicle body. It does not matter if it is arranged so as to project to the part. Mobile dehydration vehicle 1 of the second embodiment 0a is for carrying out the mobile dehydrator 10 according to the first embodiment when the structure of the carry-out conveyor 17b is Although different from the configuration of the conveyor 17a, the other configurations are the same as those of the mobile dehydration vehicle 10. Therefore, the description is omitted.

[0021]   Next, the mobile composting vehicle 40 of the first embodiment will be described with reference to FIGS. 4 and 5. Reveal This mobile composting vehicle 40 is mounted on a loading platform 42 of a truck (body) 41 It is equipped with biodegradation equipment. In addition, this microbial decomposition equipment is It is covered with a pan-type gull wing hood 43 whose side can be opened. This fine The biodegradation equipment is equipped with a fermenter 44 for microbial decomposition of sludge and a deodorant such as activated carbon. Deodorizing device 45 for deodorizing gas generated from the fermenter 44, control for controlling the entire device A board 46 and a generator (not shown) are provided. Then, in the fermenter 44, dehydration The height of the brake is low from the bed 42, and it is received at a predetermined position on the rear or side of the vehicle body 41. The hopper 47 to put in and the dehydrated cake received by this hopper 47 are fermenter 44 A transport mechanism (conveyor) that transports to a predetermined position above the fermenter 44 to be accumulated inside ) 48 is installed.

[0022]   In the mobile composting vehicle 40 described above, the transfer mechanism 48 is provided by being fixed to the fermentation tank 44. The hopper 47 for charging the dehydrated cake into the transport mechanism 48 is located at the rear of the vehicle body 41. I explained the structure that receives the dehydrated cake at a predetermined position on the part or side part. The hopper 47a as in the mobile composting vehicle 40a of the second embodiment shown in FIGS. A conveyor mechanism (conveyor) that conveys the dehydrated cake received in The bear) 48a is rotatably provided on the upper part of the fermentation tank 44, and the moving composting vehicle 40 A hopper 47a is rotatably movable from the rear part of the vehicle body 41 on the left and right sides. It doesn't matter. The moving composting vehicle 40a has a transport mechanism (conveyor) 48a. The configuration of the hopper 47a and the transport mechanism of the mobile composting vehicle 40 of the first embodiment (see However, the other configurations are mobile composting vehicles. Since it is the same as 40, the description thereof is omitted.

[0023]   Next, the operation of the mobile composting vehicle 40 of the first embodiment will be described. Wastewater treatment The mobile composting vehicle 40 is parked in the parking lot in the stadium. At this time the moving compos The hopper 47 of the vehicle 40 is arranged at the rear position of the vehicle body 41. And As shown in FIG. 8, the mobile dehydration vehicle 10 according to the first embodiment stops at the rear of the mobile composting vehicle 40. After moving, the mobile composting vehicle 40 and the mobile dehydration vehicle 10 park in an L-shape. Mobile dehydration In the car 10, the carry-out conveyor 17a is slid in the lateral direction of the loading platform 12 of the vehicle body 11. It is arranged so that it projects outward from the side of the vehicle body and reaches the hopper 47. From a sludge storage tank installed at the treatment plant, a slurry pump (not shown) Sludge is sent under pressure to the sludge reaction tank 15 to start the dehydration treatment of the organic sludge, and the mobile dehydrator 1 0 delivers the dehydrated cake to the hopper 47 of the mobile composting vehicle 40.

[0024]   When delivering the dehydrated cake as described above, the mobile dehydration vehicle 10 moves as shown in FIG. You may park parallel to the side part of the composting vehicle 40. That is, the mobile composting vehicle 40 The mobile dehydration vehicle 10 parked parallel to the side of the vehicle has the carry-out conveyor 17a mounted on the vehicle body 11. Move from the side of the vehicle body by sliding it in the lateral direction of the base 12 Side of the composting vehicle 40 The movable dehydrator 10 is arranged so as to project to the hopper 47 and reach the hopper 47. The dehydrated cake is delivered to the hopper 47 of the strike vehicle 40.

[0025]   In the mobile composting vehicle 40, the hopper arranged at a position where the height from the loading platform 42 is low. -Conveying the dehydrated cake received in 47 to a predetermined position above the fermenter 44 After being accumulated in the fermenter 44 by the feeding mechanism (conveyor) 48, Made of porous ceramic particles such as zeolite, porous resin molding particles, and fibers Add auxiliary materials such as granules, wood chips, wood chips, bark, rice husks, activated carbon and charcoal, and stir. Stir, mix secondary materials with dehydrated cake and ferment by microbial decomposition for 3-4 days The composting process is completed when the primary fermentation is completed, hand over. If you want to shorten the number of days until the above-mentioned primary fermentation, In addition to wood, EM bacteria, photosynthetic bacteria, other fermentation accelerators, microbial activators (enzymes), etc. The number of days until the primary fermentation can be shortened by adding the mixture to the fermenter 44 and stirring.

[0026]   When the mobile dehydration vehicle 10a is parked at the parking position of the mobile composting vehicle 40, As shown in FIG. 9, the rear part of the mobile dehydration vehicle 10a is close to the side surface of the mobile composting vehicle 40. Then, the mobile composting vehicle 40 and the mobile dehydration vehicle 10a are parked in an L-shape. Mobile dehydration In the vehicle 10a, the carry-out conveyor 17a is slid in the longitudinal direction of the loading platform 12 of the vehicle body 11. It is placed at a position where it can be projected to the outside from the rear surface of the vehicle body and reach the hopper 47. The dynamic dewatering vehicle 10a delivers the dehydrated cake to the hopper 47 of the mobile composting vehicle 40. You

[0027]   Next, the operation of the mobile composting vehicle 40a will be described. Parking lot in the wastewater treatment plant The mobile composting vehicle 40a is parked at. At this time, the moving composting vehicle 40a The hopper 47a is rotatably arranged from the rear portion of the vehicle body 41 to the left and right side surfaces. It is placed. Then, as shown in FIG. Park at the position P1 parallel to the side of a. In the mobile dehydration vehicle 10, the carry-out conveyor 17a is slid in the lateral direction of the loading platform 12 of the vehicle body 11 to the outside from the side surface of the vehicle body. The mobile dehydration vehicle 10 is installed at a position where it projects and reaches the hopper 47a, and Slurry pump (not shown) is used to remove organic sludge from the provided sludge storage tank. It is sent to the mud reaction tank 15 by pressure to start the dehydration treatment of the organic sludge, and the mobile composting vehicle 40 The dehydrated cake is delivered to the hopper 47a of a. At this time, the mobile dehydration vehicle 10 moves When parking at the position P2 in parallel with the composting vehicle 40a, By sliding the carry-out conveyor 17a in the lateral direction of the loading platform 12 of the vehicle body 11, If it projects to the outside from the side surface, it will be in a position away from the hopper 47a. This In such a case, if the hopper 47a is rotationally moved, the carry-out conveyor 17a becomes a hopper. -47a is reached, and the mobile dehydration vehicle 10 is attached to the mobile composting vehicle 40a. The dehydrated cake can be delivered to the par 47a.

[0028]   As shown in FIG. 12, a side surface of the mobile dehydration vehicle 10 is provided at the rear of the mobile composting vehicle 40a. The mobile composting vehicle 40a and the mobile dehydration vehicle 10 are parked in an L-shape so that In this case, when the mobile dehydration vehicle 10 is at the position of Q1, from the side surface of the vehicle body of the mobile dehydration vehicle 10. When the carry-out conveyor 17a that is projected outside reaches the hopper 47a When the mobile dehydration vehicle 10 was parked at the position of Q2, it was disengaged from the hopper 47a. It becomes a position. Even in such a case, if the hopper 47a is rotationally moved, it is carried out. The conveyor 17a reaches a position where it reaches the hopper 47a, and the mobile dehydration vehicle 10 moves. The dehydrated cake can be delivered to the hopper 47a of the composting vehicle 40a.

[0029]   This means that from the rear surface of the vehicle body to the outside like the mobile dehydration vehicle 10a of the second embodiment. When arranging the protruding conveyor 17b so that it reaches the hopper 47a Also due to the displacement of the parking position of the mobile dewatering vehicle 10a and the carry-out conveyor 17b The displacement of the par 47a can be corrected by rotating the hopper 47a. a is a position where it reaches the hopper 47a, and the mobile dehydration vehicle 10a is a mobile composting vehicle. The dehydrated cake can be delivered to the hopper 47a of the 40a.

[0030]   If the mobile composting vehicle 40 (40a) is parked outside the wastewater treatment plant, Until the mobile dehydration vehicle 10 stops near the mobile composting vehicle 40 (40a) At the same time, collect the organic sludge at the wastewater treatment plant, complete the dehydration process of the organic sludge, and return. There are also cases. In such a case, the slurry dewatering vehicle 10 (10a) is equipped with a slurry port. Recovery of organic sludge by pump is not performed, and mobile composting vehicle 40 (40a) Dehydrated cake of collected organic sludge is delivered to the hopper 47 (47a) of To be done.

[0031]   In addition, auxiliary materials, fermentation accelerators, microbiota, etc. to be put into the microbial decomposition equipment of mobile composting vehicles. The substance activator (enzyme) can be easily set in a mobile composting vehicle, so the required sludge If you select auxiliary materials, fermentation accelerators, and microbial activators (enzymes) according to your needs, Can be manufactured, and this mobile composting vehicle will compose to the required location. Can be transported and delivered to users.

[0032]

[Effect of device]

  In this invention, a mobile dewatering vehicle dehydrates and collects organic sludge and uses a carry-out conveyor. The dehydrated cake made from sludge collected by the operation is easily installed in the microbial decomposition equipment of the moving composting vehicle. It can be handily sanitized and composted.

[0033]   Also, turn the hopper of the mobile composting vehicle from the rear part of the vehicle body to the position on both left and right sides. By enabling the rolling movement, it is possible to prevent the displacement of the parking position between the mobile composting vehicle and the mobile dehydration vehicle. The misalignment between the unloading conveyor and the hopper is carried out by rotating the hopper. Since the position of the bear and the hopper can be aligned, the parking of the mobile dehydration vehicle and mobile composting vehicle is possible. The car position does not have to be a strict parking position, which improves workability and is excellent. Produce an effect.

[Brief description of drawings]

FIG. 1 is a schematic plan view of a mobile dehydration vehicle according to a first embodiment of the present invention.

2 is a side view of the mobile dehydration vehicle of FIG. 1. FIG.

FIG. 3 is a schematic side view of a mobile dehydration vehicle according to a second embodiment of the present invention.

FIG. 4 is a schematic plan view of the mobile composting vehicle according to the first embodiment of the present invention.

5 is a side view of the mobile composting vehicle of FIG. 4. FIG.

FIG. 6 is a schematic plan view of a mobile composting vehicle according to a second embodiment of the present invention.

FIG. 7 is a side view of the mobile composting vehicle of FIG.

FIG. 8 is a schematic plan view showing a first example of stop positions of the mobile dehydration vehicle of the first embodiment and the mobile composting vehicle of the first embodiment.

FIG. 9 is a schematic plan view showing a second example of stop positions of the mobile dehydration vehicle of the first embodiment and the mobile composting vehicle of the first embodiment.

FIG. 10 is a schematic plan view showing a second example of stop positions of the mobile dehydration vehicle of the second embodiment and the mobile composting vehicle of the first embodiment.

FIG. 11 is a schematic plan view showing a first example of stop positions of the mobile dehydration vehicle of the first embodiment and the mobile compost vehicle of the second embodiment.

FIG. 12 is a schematic plan view showing a second example of stop positions of the mobile dehydration vehicle of the first embodiment and the mobile compost vehicle of the second embodiment.

FIG. 13 is a schematic view showing an example of a sludge treatment process in a conventional mobile sludge decomposing device.

FIG. 14 is a plan view showing an example of a conventional mobile sludge decomposing device.

FIG. 15 is a diagram showing a side view of an example of a conventional mobile sludge decomposing device.

FIG. 16 is a flowchart of a conventional dehydration system.

FIG. 17 is a side view of a conventional example of a moving vehicle equipped with a sludge dewatering facility.

[Explanation of symbols]

Mobile dehydrator 11,41 car body 12,42 loading platform 13,43 Gull Wing Hood 14 Chemical solution dissolving equipment 15 Sludge reaction tank 15a First reaction tank 15b Second reaction tank 16 Belt type dehydrator 16a motor 17a Carry-out conveyor 18 Filter cloth washing pump 19 control panel 40,40a Mobile composting vehicle 44 Fermenter 45 Deodorizer 46 control panel 47,47a hopper 48,48a Transport mechanism (conveyor)

Claims (2)

[Scope of utility model registration request] 1. A mobile dehydration vehicle equipped with a dehydration facility for dehydrating organic sludge to produce a dehydrated cake, and a mobile compost vehicle equipped with a microbial degradation facility for fermenting the dehydrated cake by microbial decomposition to produce compost. A mobile composting system consisting of a mobile dehydrator is equipped with a conveyor for carrying out the dehydrated cake to the outside of the car body so that the dehydrated cake can be delivered to the microbial decomposition equipment. A hopper is installed, and it is configured such that the conveyor is projected outside the vehicle body of the mobile dehydration vehicle and the dehydration cake is transferred to the hopper so that the dehydration cake can be transferred between the mobile dehydration vehicle and the mobile composting vehicle. And a mobile composting system. 2. The mobile composting system according to claim 1, wherein the mobile composting vehicle is provided with a hopper capable of rotatably transferring the dehydrated cake to a microorganism decomposing facility so as to move from a rear portion of the vehicle body to a range of left and right side surfaces. The movable dewatering vehicle and the moving composting vehicle are provided between the moving dewatering vehicle and the moving composting vehicle by projecting the conveyor to the outside of the vehicle body of the moving dewatering vehicle and moving the hopper from the rear part of the vehicle body of the moving composting vehicle to the range of both left and right side surfaces. The mobile composting system, wherein the dehydrated cake conveyed from the conveyor in (1) is delivered to the hopper.