JP2001090103A - Crushing and granulating device and generated earth treatment device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the treatment cost and to improve the efficiency of treatment in a crushing and granulating device and a generated earth treatment device by treating generated earth so as to be recyclable. SOLUTION: A water absorbent (water glass G) addition nozzle 75, a solidifier (cement H) addition nozzle 4, a rotary blade 60 for stirring and mixing water glass G and cement H with a dehydrating cake E together and crushing and granulating the dehydrating cake E to generate a granular body F, and a scraper 62 for guiding the dehydrating cake E scraped up in a rotating drum 64 to the rotary blade 60 are provided within the rotating drum 46.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a crushing and granulating apparatus and a crushing and granulating apparatus for granulating crushed soil such as construction sludge generated in construction civil works and construction sludge having a large amount of water generated in excavation work. The present invention relates to a generated soil treatment apparatus for processing generated soil using a granulation device.

[0002]

2. Description of the Related Art FIG. 23 schematically shows a conventional process of generated soil treatment.

In the conventional soil treatment, as shown in FIG. 23, in a primary treatment system 001, the soil 002 generated at a construction site, for example, a tunnel excavation work site using a shield excavator, is subjected to a gravel component ( (Particle size> 74 μm)
004 is separated and transported to the secondary processing system 011 by the pump 005. In the secondary treatment system 011, the coagulant adding device 012 uses the coagulant
By adding 013 and dehydrating by a dehydrator 014,
A dehydrated cake 015 of the clay silt component (particle size ≦ 74 μm) is produced. The gravel component 004 separated in the primary treatment system 001 is reused as a backfill material and the like, and the dehydrated cake 015 generated in the secondary treatment system 011 is transported to a treatment plant as industrial waste and disposed of. .

[0004]

As described above, in the conventional excavated soil treatment apparatus, the gravel component 004 in the primary treatment system 001 is reused as a backfill material, but the secondary treatment system is not used.
The dewatered cake 015 at 011 is treated as industrial waste.
In a tunnel excavation work site using a shield excavator, bentonite (clay) is added in order to impart fluidity to muddy water and mud and ensure stability of the face. Therefore, the dehydrated cake 015 is in a slurry state containing this bentonite and cannot be reused as a backfill material or the like. In this case, the transportation cost of transporting the dehydrated cake 015 to the industrial waste disposal site and the cost of the disposal itself become enormous, causing a problem that the overall construction cost increases, and a shortage of the final disposal site and an illegal It is a social problem such as dumping.

Therefore, the present applicant has filed a Japanese Patent Application No. Hei 10-310.
No. 15, "construction sludge treatment apparatus" proposes to reuse the dewatered cake 015 as a backfill material or the like by subjecting the dewatered cake 015 to granulation processing without turning it into industrial waste. In this “construction sludge treatment device”, cement is added to the dewatered cake 015 treated in the secondary treatment system 011 and water glass is added, followed by stirring and mixing with a stirring mixer, and then the cement and water glass are mixed. The dewatered cake 015 is granulated by separating the internal substance with a crushing granulator to form particles.

[0006] However, in this "construction sludge treatment apparatus", the dewatered cake 015 to which cement and water glass are added is stirred and mixed while being transported by a stirring mixer. The dehydrated cake 015 is charged into the inside and treated for a predetermined time, and the granular material generated by forming particles is discharged. That is, continuous stirring and mixing can be performed with the stirring mixer, but the dewatered cake 01 can be obtained with the crushing granulator.
5 is a batch process in which charging, granulation, and discharging of granular material are sequentially performed, and thus there is a problem that processing efficiency is not good.

The present invention is intended to solve such a problem, and it is intended to reduce the processing cost by treating the generated soil so that it can be reused, and to improve the processing efficiency by pulverized granulation. It is an object to provide an apparatus and a generated soil treatment apparatus.

[0008]

According to the first aspect of the present invention, there is provided a crushing and granulating apparatus having an input port for generated soil and a discharge port for generated granules. A hollow rotary drum rotatably supported with a central axis, generated soil transporting means for transporting generated soil injected into the rotary drum from the input port to the discharge port side, and rotating in the rotary drum. A rotating blade that is freely supported and divides and granulates the internal material of the generated soil to which the water absorbing agent and the solidifying agent are added and mixed, and is disposed inside the rotating drum facing the rotating blade and is scraped up. And a scraper for guiding the scattered matter to the rotor.

In the crushing and granulating apparatus according to the second aspect of the present invention, the rotary axis of the rotary blade is disposed substantially along the rotary axis of the rotary drum, and the rotary blade and the rotary drum are rotated. It is characterized by the same direction.

[0010] Further, in the crushing and granulating apparatus according to the third aspect of the present invention, the generated soil transporting means is constituted by fixing the plurality of rotating blades to a rotating shaft by inclining forward in the transporting direction. I have.

According to a fourth aspect of the present invention, there is provided a crushing and granulating apparatus, wherein a water-absorbing agent is added to an upper portion of the rotating drum to add soil to generated soil introduced into the rotating drum from the charging port. A nozzle and a solidifying agent addition nozzle for adding a solidifying agent to the generated soil are provided, and the rotating blades rotate to stir and mix the water absorbing agent and the generated soil to which the solidifying agent has been added, and then remove the internal substance. It is characterized by dividing into particles.

Further, the crushing and granulating apparatus according to the invention of claim 5 is characterized in that an inclination means for inclining the rotary drum with respect to the direction of transport of the generated soil is provided.

Further, in the crushing and granulating apparatus according to the invention of claim 6, a dry powder injection nozzle for injecting dry powder into the granular material substantially granulated by the rotary blade is provided in the rotary drum. .

The crushing and granulating apparatus according to the invention of claim 7 is characterized in that a pedestal is provided in the rotary drum for receiving the granular material which has been substantially converted into particles by the rotary wings and flew.

Further, in the crushing and granulating apparatus according to the invention of claim 8, the water absorbing agent addition nozzle and the solidifying agent addition nozzle are provided on the charging port side in the rotary drum, and the inner peripheral surface of the rotary drum is provided. And a scraping lifter for scraping the generated soil to which the water absorbing agent and the solidifying agent are added, and the rotating blades and the scraper are provided on the discharge port side in the rotating drum.

Further, in the crushing and granulating apparatus according to the ninth aspect of the present invention, the water absorbing agent adding nozzle and the solidifying agent adding nozzle are provided on the charging port side in the rotary drum, and the water absorbing agent and the solidifying agent are provided. In addition, a mixer for stirring and mixing the generated soil to which is added is provided, and the rotary blade and the scraper are provided on the discharge port side in the rotary drum.

Further, in the crushing and granulating apparatus according to the tenth aspect of the present invention, the rotary drum is oscillated, so that only the granulated particles in the rotary drum are discharged from the discharge port. It is characterized in that means are provided.

In the crushing and granulating apparatus according to the eleventh aspect of the present invention, only the granular material having a predetermined particle diameter, which is formed into particles at a predetermined interval from the inner peripheral surface of the rotary drum, can pass through the rotary drum. A cylindrical mesh is attached, and the inlet is connected to the inside of the cylindrical mesh, while the outlet is connected to a space between the rotary drum and the cylindrical mesh.

Further, in the crushing and granulating apparatus according to the twelfth aspect of the present invention, only the granular material that has been formed into particles and flew within the rotary drum extends over the inner peripheral surface of the rotary drum and is conveyed to the discharge port side. It is characterized by having provided a partition wall.

Further, in the crushing and granulating apparatus according to the invention of claim 13, an air injection nozzle is provided in the rotary drum for conveying only the particulate matter which has been formed into particles and flew in the rotary drum to the discharge port side. It is characterized by that.

Further, a generated soil treatment apparatus according to a fourteenth aspect of the present invention includes a water absorbing agent adding device for adding a water absorbing agent to the generated soil, a solidifying agent adding device for adding a solidifying agent to the generated soil, the water absorbing agent and A stirring mixer that stirs and mixes the generated soil to which the solidifying agent has been added; and the generated soil mixed with the water-absorbing agent and the solidifying agent is divided into particles by rotating blades and scrapers in a rotatable rotating drum. And a pulverizing granulator for producing granules.

Further, the generated soil treatment apparatus of the invention according to claim 15 is a primary treatment means for removing gravel components from the soil generated by excavation work, and an aggregating agent is added to the generated soil treated by the primary treatment means. Secondary treatment means for performing dehydration treatment;
Tertiary treatment means for converting the generated soil treated by the secondary treatment means into granules, the tertiary treatment means comprising a water-absorbing agent adding device for adding a water-absorbing agent to the generated soil, and a solidifying agent for the generated soil. A stirring agent mixer for stirring and mixing the generated soil to which the water-absorbing agent and the solidifying agent have been added, and a rotatable drum capable of rotating the generated soil to which the water-absorbing agent and the solidifying agent have been mixed. And a disintegrating and granulating machine for dividing the internal material into particles by a rotating blade and a scraper to generate a granular material.

[0023]

Embodiments of the present invention will be described below in detail with reference to the drawings.

Although a plurality of embodiments will be described below, the soil generated in each embodiment is composed of construction soil and construction sludge. The soil generated from the construction is sediment generated during construction work, and is composed of sediment generated along with dredging of ports and rivers, dredged soil similar to others, and other than the dredged soil. Construction sludge is discharged during excavation work related to construction work other than dredging.
The standard dump truck cannot be piled up and cannot be walked on.

[First Embodiment] FIG. 1 is a schematic diagram showing processing steps of a generated soil treatment apparatus according to a first embodiment of the present invention, and FIG.
3 schematically shows the processing steps of the tertiary processing system, FIG. 3 shows a cross section of the crushing granulator of the present embodiment, and FIG. 4 shows a cross section taken along line IV-IV of FIG.

The generated soil treatment apparatus of this embodiment is for processing generated soil (construction sludge) discharged by a muddy shield excavator, and as shown in FIG. A primary treatment system 11 for removing B, a secondary treatment system 21 for producing a dehydrated cake E by adding a flocculant D to the generated soil C treated in the primary treatment system 11 and performing a dehydration treatment; And a tertiary treatment system 31 that uses the cake E as the granular material F.

The primary treatment system 11 includes a classifier 12 for separating a gravel component (particle size> 74 μm) B from the generated soil A generated at the construction site, and a generated soil C obtained by separating and removing the gravel component B.
And a pump 13 for transporting the water to the secondary processing system 21. Further, the secondary treatment system 21 includes a coagulant addition device 23 for adding the coagulant D to the generated soil C conveyed from the primary treatment system 11 by the pump 22, and a dewatering treatment of the generated soil C to which the coagulant D is added. By doing, the clay silt component (particle size ≦ 7
And a dehydrator 24 for producing a dewatered cake E of 4 μm).

As shown in FIGS. 1 and 2, the tertiary treatment system 31 has a screw conveyor 32 for conveying the dewatered cake E treated in the secondary treatment system 21, and the dewatered cake E as a water absorbing agent. Of water glass (which may be sodium silicate powder) G is added.
To 15%), a solidifying agent adding device 34 for adding cement H as a solidifying agent (4 to 10 times of sodium silicate), and a dewatered cake to which water glass G and cement H are added. E is driven by a drive motor 35 to stir and mix; and a crushing and granulating machine 37 that generates granules F by dividing and granulating the internal material of the dewatered cake E that has been stirred and mixed. And a transport conveyor 38 for transporting the generated granular material F.

In this crushing granulator 37, as shown in FIGS. 3 and 4, the front and rear wall portions 42a, 4
A pair of left and right rotating shafts 44, which are parallel to each other, are rotatably supported by bearings 43a and 43b below the walls 42a and 42b.
Are respectively fixed with two support rollers 45.
A hollow rotary drum 46 having a cylindrical shape is located between the front and rear walls 42a and 42b, and is rotatably supported by being mounted on a support roller 45. A driven gear 47 is fixedly connected to one end of each rotating shaft 44 and meshes with a reduction gear 48.
Driven pulley 49 and driving motor 50 provided coaxially with
A drive transmission belt 52 is wound around the drive pulley 51. Therefore, when the drive motor 50 is driven,
The driving force is transmitted to the respective rotating shafts 44 via the driving pulley 51, the driving transmission belt 52, the driven pulley 49, the reduction gear 48, and the driven gear 47, and drives the supporting roller 45 to rotate the rotating drum 46 in the X direction. Can rotate.

An input port 53 for inputting the dewatered cake E into the rotary drum 46 is formed at an upper portion of the wall portion 42a, and a hopper 54 is attached to the input port 53. Rotating drum 4 with a predetermined amount of cake E
A screw feeder 55 is attached so that the screw feeder 6 can be loaded. On the other hand, a discharge port 56 for discharging the granulated particles F is formed below the wall 42b, and a shooter 57 is attached to the discharge port 56.

A rotating shaft 59 is rotatably supported by bearings 58a and 58b below the walls 42a and 42b, and the rotating shaft 59 is a lower portion of the rotating drum 46 and the dewatered cake put inside. E penetrates the vicinity to the right in the transport direction of E. A plurality of rotating blades 60 are attached to the rotating shaft 59, and each rotating blade 60 is inclined forward in the transport direction of the dewatered cake E.
It has a function of a transport unit that transports the dewatered cake E inside to the discharge port 56 side. The turning shaft 59 can be driven to rotate by a driving motor 61 provided outside. Accordingly, when the drive motor 61 is driven, the turning shaft 59
At the same time, each rotating blade 60 can rotate in the same X direction as the rotating direction X of the rotating drum 46. Further, a base end portion of a scraper 62 is fixed to the wall portion 42b such that a front end portion extends to an upper portion in the rotary drum 46 and faces each rotary blade 60. By causing the dewatered cake E scraped up by the rotation of to collide with the scraper 62, it can be guided to each rotary blade 60.

Here, a method of treating generated soil by the generated soil processing apparatus of the present embodiment configured as described above will be described.

As shown in FIG. 1, the soil A generated at the tunnel excavation site by the mud shield type excavator contains clay such as bentonite, and the generated soil A is sent to the primary treatment system 11. The gravel component (particle size> 74 μm) B is separated and removed by the classifier 12 and sent to the secondary treatment system 21 as generated soil C. In this secondary processing system 21,
After the coagulant D is added from the coagulant adding device 23 to the generated soil C, the coagulant D is mechanically dewatered by the dehydrator 24 to produce a dewatered cake E composed of a clay silt component (particle diameter ≦ 74 μm). It is sent to 31. The dewatered cake E has a specific gravity of 1.4 to 1.6, a fine particle component of 74 μm or less 100%, and a water content of about 40 to 55%.

In the tertiary processing system 31, as shown in FIG.
The dewatered cake E is conveyed into the stirring mixer 36 by the screw conveyor 32, and the water glass G is first added to the dewatered cake E by the water absorbing agent adding device 33, and then, The cement H is added by the solidifying agent adding device 34. The stirring mixer 36 converts the dehydrated cake E to which the water glass G and the cement H have been added into the respective additives G and H.
Are stirred and mixed until evenly distributed. At this time, due to the reaction between the water glass G and the cement H, the fine particles of bentonite in the dewatered cake E bind to each other, and at the same time, absorb moisture and gel. Then, the gelled dewatered cake E is introduced into the crushing granulator 37 by the spiral stirring blades of the stirring mixer 36, where the substance inside is divided and granulated to produce the granular material F. Is discharged onto the conveyor 38 and carried out of the apparatus.

That is, when the cement H is added to the dewatering cake E, the pH of the water in the dewatering cake E fluctuates, whereby the water glass G forms a silicate polymer between the fine particles in the dewatering cake E, At the same time, the free water in the dehydrated cake E is taken in and gelled. Thereby, the viscosity of the dewatering cake E increases, and the disintegration granulation becomes possible by the crushing granulator 37. In addition, cement H has hydraulic properties, is mixed inside the granular material F, reacts with the water taken in, and forms a hydrate within several hours to several days to stably solidify. I do. The fine particles in the dewatered cake E are hardened while being constrained by the water glass G, so that the fine particles are reduced in particle size.

Here, the dewatered cake E in the crushing granulator 37
3 and FIG. 4, the dewatered cake E gelled by adding the water glass G and the cement H is supplied from the hopper 54 by a screw feeder 55 in a fixed amount. Rotating drum 4 through 53
6 are continuously charged. Then this dehydrated cake E
Is scraped up by the rotating rotary drum 46 and collides with the scraper 62, guided by the rotating wings 60 by the scraper 62, crushed and dispersed by the rotating wings 60, and conveyed to the discharge port 56 side. You. As described above, the dewatered cake E moves while being crushed and dispersed by the respective rotary blades 60, whereby the surface is dried and gradually becomes the granular material F, and the diameter is reduced. Then, only the granular material F granulated to a predetermined particle size flies in the rotary drum 46 by the rotating blades 60 and is discharged from the shooter 57 onto the conveyor 38 through the discharge port 56.

Here, the granular material F corresponds to the first kind of generated soil in the soil quality classification, and can be applied to backfilling, embankment, and the like. Specifically, it satisfies the following. Particle size: 10% or less of fine particles having a particle size of 74 μm or less, Maximum particle size: 13 mm or less Compacted ground support force: CBR 12% or more (relative comparison standard with crushed stone roadbed) The specified harmful substance is not contained in the drainage at a standard concentration or more. pH: 5.8 to 8.6 (standard for domestic wastewater), etc., but there are some differences depending on the application place and the local government.

As described above, in the generated soil treatment apparatus of the present embodiment, since the granular material F generated using the inorganic material has strength and safety, the backfill material is used as a construction material. It can be reused as high quality soil, such as soil and embankment material, and the cost of disposal and disposal can be reduced. In this case, since the construction material composed of the granular material F is lightweight and has good water permeability, it is most suitable as a playground, a soil for planting trees and an embankment of a lands, and can also be used as a drainage material for a landfill. it can. Further, by using the water glass G and the cement H as a particle agent, the processing cost is reduced and the processing operation is facilitated.

That is, water glass G which is a safe inorganic material
By using (sodium silicate) and an inorganic hydraulic material such as cement H in combination, safety can be ensured.
Further, by absorbing water with the water glass G, it is possible to increase the viscosity required for dispersion granulation even for mud having a relatively high water content, and to restrict the fine particles to increase the granularity. Fine particulate components in it can be reduced. Furthermore, the processes such as drying and dehydration, which conventionally required cost and time in the process, are not required, and the granulation can be performed at low cost and with high efficiency.
Then, the solidifying agent achieves two effects of the gelling reactant of the water glass G and the long-term strength development by the hydration reaction at once,
The apparatus can be simplified and the cost can be reduced.

In the crushing granulator 38 of the present embodiment,
The dewatered cake E to which the water glass G and the cement H are added is put into the rotary drum 46, and the dewatered cake E is conveyed while being crushed and dispersed by the rotary drum 46 and the rotary blades 60 rotating in the same direction. F is generated, and only the generated granular material F flies and is discharged from the discharge port 56 onto the conveyor 38. At this time, the dewatered cake E is scraped up by the rotating drum 46 and
, And is guided from the scraper 62 to the rotating blades 60, and is crushed and dispersed by the rotating blades 60, so that the particle processing can be performed efficiently.

In the crushing granulator 38, the dewatered cake E to which the water glass G and the cement H are added is continuously fed into the crushing granulator 38. Only the granules F generated by the granulation are sequentially discharged, and the granulated material F is generated by performing the gelling process by stirring and mixing of the dehydrated cake E to produce the granulated materials F, and the transport conveyor 38
Can be continuously performed until it is discharged to the soil, and as a result, the generated soil can be automatically and continuously performed.

[Second Embodiment] FIG. 5 schematically shows the processing steps of a tertiary treatment system in a generated soil treatment apparatus according to a second embodiment of the present invention, and FIG. 6 shows a stirring, mixing and crushing granulator of the present embodiment. FIG. 7 shows a section taken along line VII-VII of FIG. Note that members having the same functions as those described in the above-described embodiment are denoted by the same reference numerals, and redundant description will be omitted.

The generated soil treatment apparatus of the present embodiment is for processing generated soil (construction sludge) discharged by a muddy shield excavator, similarly to the above-described embodiment, and comprises a primary treatment system and a secondary treatment system. The description of the subsequent processing system is omitted because it is the same, and only the tertiary processing system for processing the dehydrated cake will be described.

As shown in FIG. 5, the tertiary treatment system 71 in the generated soil treatment apparatus of the present embodiment includes a screw conveyor 32 for conveying the dewatered cake E treated in the secondary treatment system.
A water absorbing agent adding device 33 for adding water glass G as a water absorbing agent to the dewatered cake E, a solidifying agent adding device 34 for adding cement H as a solidifying agent, a water glass G and cement H are added. The dewatered cake E is stirred and mixed, and at the same time, a stirring, mixing and crushing granulator 72 that forms the granular material F by dividing the internal material of the dewatered cake E into particles is formed.
And a conveyor 38 for conveying the generated granular material F.
Are provided.

As shown in FIGS. 6 and 7, a rotary drum 46 is rotatably supported on a support roller 45 rotatably supported by a base 41 in the stirring, mixing and crushing granulator 72. The drive motor 50 enables rotation in the X direction. Then, one input port 5 of the rotary drum 46
A hopper 54 having a screw feeder 55 is attached to 3, and a shooter 57 is attached to the other outlet 56.

A plurality of rotating blades 60 are mounted on a rotating shaft 59 that penetrates through the inside of the rotating drum 46, and each rotating blade 60 is inclined forward in the transport direction of the dewatered cake E. The dewatered cake E inside can be conveyed to the outlet 56 side. And the drive motor 6
1 allows each rotary wing 60 to rotate together with the turning shaft 59 in the same direction as the rotary drum 46. Further, a scraper 62 is disposed at an upper portion in the rotary drum 46 so as to face each rotary blade 60.

At the upper portion of the wall portion 42b, the base end portions of a water-absorbing agent supply pipe 73 and a solidifying agent supply pipe 74 whose leading ends extend to the upper portion inside the rotary drum 46 are fixed.
The water absorbing agent supply pipe 73 extending to about 3
A plurality of water-absorbing agent addition nozzles 75 for ejecting water are formed.
Are formed. A connecting pipe 7 having flow control valves 77 and 78 is provided at the base ends of the water absorbing agent supply pipe 73 and the solidifying agent supply pipe 74.
The water absorbing agent adding device 33 and the solidifying agent adding device 34 are connected via 9, 80, and the compressor 81 is connected to the connecting tube 80 of the solidifying agent supply tube 74.

Here, a method of treating the generated soil by the generated soil processing apparatus of the present embodiment will be described. As shown in FIG. 5, in the tertiary treatment system 71, the dewatered cake E is charged into the stirring, mixing, and crushing granulator 72 by the screw conveyor 32,
Here, water glass G is added to the dewatered cake E from the water-absorbing agent adding device 33, cement H is added from the solidifying agent adding device 34, and the additives G and H are stirred and mixed until they are evenly distributed to gel. Further, the internal substance is divided and formed into particles to generate the granular material F, which is discharged onto the conveyor 38 and carried out of the apparatus.

That is, as shown in FIGS. 6 and 7, the secondary-processed dewatered cake E is continuously fed into the rotary drum 46 from the hopper 54 by the screw feeder 55 through the feeding port 53 by a fixed amount. On the other hand, the water glass G metered by the flow adjusting valve 77 from the water absorbing agent adding device 33 through the connecting tube 79 is sent to the water absorbing agent supply tube 73, and the dewatered cake E in the rotary drum 46 is supplied from each water absorbing agent adding nozzle 75. It is gushing. Subsequently, the cement H metered by the flow control valve 78 from the solidifying agent adding device 34 through the connecting pipe 80 is supplied to the solidifying agent supply pipe 74, and the compressor 81 transmits the cement H from each solidifying agent adding nozzle 76 to the rotating drum 4.
The dewatered cake E in 6 is jetted.

The dewatered cake E to which the water glass G and the cement H are added is stirred and mixed by the rotating rotary drum 46 and the respective rotary blades 60 to gel. And
The gelled dewatered cake E is further scraped up in the rotating drum 46 and collides with the scraper 62, and this scraper 6
2, the air is guided to the rotating blades 60 rotating by the rotating blades 2, crushed and dispersed by the rotating blades 60, and conveyed to the outlet 56 side. As described above, the dewatered cake E moves while being crushed and dispersed by each of the rotary blades 60, and gradually becomes the granular material F and is reduced in diameter. Then, only the granular material F granulated to a predetermined particle size flies by the rotary wings 60 and is discharged from the shooter 57 onto the transport conveyor 38 through the discharge port 56.

As described above, in the generated soil treatment apparatus of the present embodiment, the mixing treatment of the water absorbing agent (water glass G) and the solidifying agent (cement H) is performed by The stirring and mixing of the glass G, the cement H, and the dehydrated cake E, and the crushing and granulation for producing the granular material F can be continuously performed. Therefore, the dewatering cake E can be continuously and efficiently granulated. In addition, since addition, stirring and mixing, and crushing and granulation are performed in the rotating drum 46,
The device becomes compact, miniaturization can be achieved, and maintenance becomes easy. Furthermore, water glass G and cement H
By adjusting the addition timing and the amount of the addition, the optimal graining treatment can be performed.

[Third Embodiment] FIG. 8 is a cross-sectional view of a stirring, mixing and crushing granulator applied to a tertiary treatment system in a generated soil treatment apparatus according to a third embodiment of the present invention, and FIG. FIG. 10 schematically shows the operation of the stirring, mixing and crushing granulator according to the present embodiment.

The generated soil treatment apparatus of each embodiment described in the third and subsequent embodiments is for processing generated soil (construction sludge) in substantially the same manner as the above-described second embodiment, It is a modification of the stirring, mixing, and crushing granulator used in the tertiary processing system for processing cake. Therefore, in each embodiment described below, members having the same functions as those described in the second embodiment are denoted by the same reference numerals, and redundant description will be omitted.

As shown in FIG. 8, an agitated mixing crushing granulator 9 used in the tertiary treatment system of the generated soil treatment apparatus of the present embodiment.
In 1, a rotating drum 46 is rotatably supported on a support roller 45 rotatably supported on an inclined table 92, and is rotatable in the X direction by a drive motor 50. An input port 53 is provided on one side of the rotary drum 46, and a discharge port 56 is provided on the other side. A rotating shaft 59 is rotatably supported in the rotating drum 46 and a plurality of rotating blades 60 are attached.
Accordingly, it is possible to rotate in the same direction as the rotating drum 46. Further, a scraper 62 is provided at an upper portion in the rotary drum 46.
Are arranged.

A water absorbing agent supply pipe 73 and a solidifying agent supply pipe 74 are provided in the upper part of the rotary drum 46, and the water absorbing agent supply pipe 73 has a plurality of water absorbing agent addition nozzles 75 for ejecting the water glass G. The cement H
Are formed.

Further, the above-mentioned inclined table 92 is a rotary drum 4
6 is rotatably connected to the base 41 by a connecting pin 93, and the discharge port 56 can be moved up and down by the tilting mechanism 94 to the base 41. This tilt mechanism 94
A screw cylinder 96 rotatably supported by the base 41 is screwed onto a screw shaft 95 fixed to the lower surface of the inclined base 92, and a drive motor 98 is connected to a worm gear 97 fixed to the screw cylinder 96. The worms 99 are configured to mesh with each other. Therefore, when the worm 99 is rotated by the drive motor 98, the screw cylinder 96 rotates together with the worm gear 97 with which the worm 99 meshes, and the screw shaft 9 screwed with the screw cylinder 96.
5 moves up and down, and the tilting base 92 can be tilted.

When the generated soil is treated by the generated soil treatment apparatus of this embodiment, the dewatered cake E is continuously charged into the rotating drum 46 of the stirring, mixing and crushing granulator 91, and the water glass G and the cement H Is added. And water glass G
While the dewatered cake E to which the cement H is added is stirred and mixed by the rotating rotary drum 46 and each of the rotating blades 60 to form a gel, the dewatered cake E is scraped up in the rotating drum 46 and collides with the scraper 62, and further, At 60, the powder is crushed and dispersed, and is conveyed to the discharge port 56 side. As described above, the dewatered cake E is conveyed while being subjected to the stirring, mixing, crushing, and granulating processes, and is discharged as the granular material F from the discharge port 56 onto the conveying conveyor 38.

By the way, it is known that the particle size and hardness of the generated granular material F are affected by the processing time, that is, the residence time in the rotating drum 46. That is, as shown in FIG. 9, if the treatment time is short, the degree of mixing of the cement H is low, so that the granular material F has a large particle size and is soft (range a in FIG. 9). After the elapse of the treatment time, the degree of mixing of the cement H increases, and the granular material F has a small particle size and becomes somewhat hard (range b in FIG. 9). When the treatment time further elapses, the degree of mixing of the cement H further increases, but moisture leaks out from the granular material F and adheres again, and the granular material F becomes slightly larger in particle size and hard (range c in FIG. 9). ).

That is, the processing time of the granular material F (the rotating drum 4
6, the particle size and hardness of the granular material F, that is, the quality of the granular material F can be set, and the granular material F can be generated according to the intended use.

That is, the rotating drum 46 as shown in FIG.
In the horizontal state, the rotational speed of the rotary blade 60 and the rotational speed of the rotary blade 60 are adjusted so that the particle size and hardness of the granular material F generated during the processing time when the above-described particle forming process is performed are in the range b in FIG. The shape (area, inclination angle, etc.) is set. Then, FIG.
As shown in (a), when the inclination table 94 is inclined by the inclination mechanism 94 and the discharge port 56 side of the rotating drum 46 is inclined downward, the dewatered cake E put into the rotating drum 46 is removed.
And the processing time is shortened. In this case, the particle size and hardness of the granular material F generated in a short processing time are in the range a in FIG. On the other hand, as shown in FIG. 10B, when the tilting table 92 is tilted by the tilting mechanism 94 and the discharge port 56 side of the rotary drum 46 is tilted upward, the dewatered cake E charged into the rotary drum 46 is removed. The transport speed becomes slow and the processing time becomes long. In this case, the particle size and hardness of the granular material F generated in a long processing time are in the range c in FIG.

Since the granular material F (range a in FIG. 9) generated in such a short processing time is large in size and soft, it is generally treated as soil and can be used as a backfill material or the like. In addition, the granular material F generated in the normal processing time
Since (range b in FIG. 9) has a small particle size, it is generally treated as sand having high water permeability and can be used as a drain material or the like. Furthermore, the granular material F generated in a long processing time
(Range c in FIG. 9) has a rather large particle size, is hard, and has high quality, and therefore can be generally used as a roadbed material or the like.

In the above-described embodiment, when the tilting mechanism 94 is operated, the tilting base 92 rotates about the connecting pin 93 as a fulcrum and moves to the insertion port 53 side. It is possible to swing freely,
The third hole may be an elongated hole. In addition, the tilt mechanism 94
Is not limited to this structure, and may be configured by a rack and a pinion, or a hydraulic cylinder may be used.

As described above, in the generated soil treatment apparatus of the present embodiment, the rotary drum 46 can be tilted up and down in the transport direction of the dewatered cake E by the tilting mechanism 94, so that the dewatered cake E and the granular material F Processing time (residence time in the rotating drum 46) is controlled. Therefore, the particle size and hardness of the granular material F, that is, the quality of the granular material F can be adjusted to generate the granular material F according to the application.

[Fourth Embodiment] FIG. 11 shows a cross section of a stirring, mixing and crushing granulator applied to a tertiary treatment system in a generated soil treatment apparatus according to a fourth embodiment of the present invention.

As shown in FIG. 11, in the stirring, mixing and crushing granulator 101 of the present embodiment, a water-absorbing agent supply pipe 73 having a plurality of water-absorbing agent addition nozzles 75 is provided above the rotary drum 46.
And a solidifying agent supply pipe 74 having a solidifying agent addition nozzle 76, and a dry powder supply pipe 103 having a dry powder injection nozzle 102 for injecting the dry powder into the substantially particulate granules F are provided. . That is, the base end of the dry powder supply pipe 103 is fixed to the upper part of the wall 42b, and the tip end side is the rotary drum 46.
The tip portion is bent toward the outlet 56 to form a dry powder injection nozzle 102. A dry powder injection device 106 is connected to a base end of the dry powder supply pipe 103 via a connection pipe 105 having a flow rate control valve 104, and a compressor 107 is connected to the connection pipe 105.

When the generated soil is treated by the generated soil treatment apparatus of the present embodiment, the dewatered cake E is continuously put into the rotating drum 46 of the stirring, mixing and crushing and granulating machine 101, and the water glass G and the cement H Is added. And water glass G
While the dewatered cake E to which the cement H is added is stirred and mixed by the rotating rotary drum 46 and each of the rotating blades 60 to form a gel, the dewatered cake E is scraped up in the rotating drum 46 and collides with the scraper 62, and further, At 60, the powder is crushed and dispersed, and is conveyed to the discharge port 56 side. Then, the dry powder metered by the flow control valve 104 from the dry powder injection device 106 through the connecting pipe 105 is sent to the dry powder supply pipe 103, and the dry powder injection nozzle 102 supplies the granular material F in which the dry powder is substantially granulated.
Spouted against. Therefore, re-attachment of the granules F is prevented by the adhesion of the dry powder around the granules F.
As described above, the dewatered cake E is conveyed while being subjected to stirring, mixing, crushing, and granulating treatment, and becomes a granular material F as the outlet 56
Is discharged onto the conveyor 38.

The dry powder may be any one having water absorbency, such as fly ash, lime, and calcined bentonite, and may be cement H. The dry powder is blown out from the dry powder injection nozzle 102 by compressed air from the compressor 107. The higher the temperature of the compressed air, the more effective it is for preventing re-adhesion.

As described above, in the generated soil treatment apparatus of the present embodiment, the addition processing of the water glass G and the cement H, the stirring and mixing processing, and the crushing and granulation processing are performed on the dewatered cake E in the rotating drum 46. Then, the dry powder is ejected from the dry powder ejection nozzle 102 to the granular material F that has been substantially granulated. Therefore, since the dry powder adheres to the periphery of the granular material F, it is possible to reliably prevent the granular material F from re-adhering to each other and improve the production quality, and to reduce the amount of cement H added to reduce the manufacturing cost.

[Fifth Embodiment] FIG. 12 shows a cross section of a stirring, mixing and crushing granulator applied in a tertiary treatment system in a generated soil treatment apparatus according to a fifth embodiment of the present invention.

As shown in FIG. 12, in the stirring, mixing and crushing granulator 111 of this embodiment, a charging port 53 for charging the dewatered cake E into the rotary drum 46 is formed above the wall 42a. While the hopper 54 is attached to the port 53,
A discharge port 112 for discharging the granulated particles F is formed substantially at the center of the wall 42b, and the upstream end of the conveyor 38 serving as a receiving stand is connected to the rotary drum 46 from the discharge port 112.
And is located slightly above the rotor 60.

When the generated soil is treated by the generated soil treatment apparatus of the present embodiment, the dewatered cake E is continuously charged into the rotating drum 46 of the stirring, mixing and crushing granulator 111, and the water glass G and the cement H Is added, and stirred and mixed by the rotating drum 46 and the respective rotating blades 60 to be crushed and dispersed while gelling, and conveyed to the outlet 112 side. Then, the substantially granulated particles F fly by the rotational force of the rotary wings 60, ride on the conveyor 38, and are discharged from the discharge port 56. In this case, since the flying granular materials F always get on the conveyor 38 whose surface changes, it is possible to prevent the granular materials F from re-adhering to each other.

It is to be noted that re-adhesion of the granular materials F can be prevented by spraying the above-mentioned dry powder on the conveyor 38, blowing high-temperature air, or heating the conveyor 38. Further, although the transport conveyor 38 is provided as the receiving table, a shooter having an inclined surface may be used.

As described above, in the generated soil treatment apparatus of the present embodiment, the addition of the water glass G and the cement H, the stirring and mixing, and the crushing and granulation of the dewatered cake E in the rotating drum 46 are performed. Then, only the flying particulate matter F is discharged from the discharge port 56 using the transport conveyor 38. Therefore, by discharging only the granular material F which has been substantially granulated, the particle size of the granular material F can be uniformed, the quality can be improved, and the re-adhesion of the granular materials F can be reliably prevented.

[Sixth Embodiment] FIG. 13 is a cross-sectional view of a stirring, mixing and crushing granulator applied to a tertiary treatment system in a generated soil treatment apparatus according to a sixth embodiment of the present invention, and FIG.
-XIV section is shown.

As shown in FIGS. 13 and 14, in the stirring, mixing and crushing granulator 121 of the present embodiment, the rotating drum 46 is rotatably supported on the base 41 by the supporting roller 45. A plurality of lifters 122 are arranged at predetermined intervals in the circumferential direction on the inner peripheral surface of the inlet 53 side along the axial direction, and a water absorbing agent supply pipe 73 is provided at the upper part.
And a solidifying agent supply pipe 74, a plurality of water absorbing agent addition nozzles 75 for ejecting water glass G are formed in the water absorbing agent supply pipe 73, and a plurality of solidifications for ejecting cement H in the solidifying agent supply pipe 74. An agent addition nozzle 76 is formed.

A rotating shaft 59 is rotatably supported in the lower portion of the rotating drum 46, and a plurality of rotating blades 60 are mounted on the discharge port 56 side, and are rotated in the same direction as the rotating drum 46 by a driving motor 61. can do. Further, a scraper 62 is provided at an upper portion of the rotary drum 46 on the side of the discharge port 56.
Are arranged.

When the generated soil is treated by the generated soil treatment apparatus of this embodiment, the dewatered cake E is continuously charged into the rotating drum 46 of the stirring, mixing and crushing granulator 121, and the water glass G and the cement H Is added. And water glass G
And the dewatered cake E to which the cement H has been added is scraped up by the scraping lifter 122 of the rotating rotary drum 46 and is stirred and mixed to gel. The gelled dehydrated cake E is scraped up in the rotary drum 46 and scraped by a scraper 62.
And is further crushed and dispersed by each of the rotating blades 60 and conveyed to the discharge port 56 side. As described above, the dewatered cake E is conveyed while being subjected to the stirring, mixing, crushing, and granulating processes, and is discharged as the granular material F from the discharge port 56 onto the conveying conveyor 38.

As described above, in the generated soil treatment apparatus of the present embodiment, the lifter 122, the water-absorbing agent addition nozzle 75, and the solidifying agent addition nozzle 76 are arranged on the side of the charging port 53 in the rotary drum 46. A rotating blade 60 and a scraper 62 are disposed on the discharge port 56 side. Therefore, in the rotary drum 46, the water glass G, the cement H, and the dehydrated cake E are properly mixed and agitated by the lifter 122 in the first half, and gelled by the rotary blade 60 and the scraper 62 in the second half. The crushing and granulation of the dewatered cake E are properly performed, and the quality of the granular material F can be improved.

[Seventh Embodiment] FIG. 15 shows a cross section of a stirring, mixing and crushing granulator applied in a tertiary treatment system in a generated soil treatment apparatus according to a seventh embodiment of the present invention.

As shown in FIG. 15, in the stirring, mixing and crushing granulator 131 of the present embodiment, the charging port 53 in the rotary drum 46 is used.
A swivel shaft 132 is rotatably supported at the lower part on the side, and a spiral mixer 133 is attached, and is rotatable by a drive motor 134. A plurality of water-absorbing agent addition nozzles 75 for ejecting the water glass G and a plurality of solidifying agent addition nozzles 76 for ejecting the cement H are provided in an upper portion in the rotary drum 46.

On the other hand, a rotating shaft 59 is rotatably supported below the discharge port 56 in the rotating drum 46, and a plurality of rotating blades 60 are mounted thereon, and can be rotated by a driving motor 61. In addition, a scraper 62 is disposed in an upper part in the rotary drum 46.

When the generated soil is treated by the generated soil treatment apparatus of the present embodiment, the dewatered cake E is continuously charged into the rotating drum 46 of the stirring, mixing and crushing granulator 121, and the water glass G and the cement H Is added. And water glass G
And the dewatered cake E to which the cement H has been added are stirred and mixed by the rotating mixer 133 to gel. The gelled dewatered cake E is scraped up in the rotary drum 46, collides with the scraper 62, is further crushed and dispersed by the rotary blades 60, and is conveyed to the discharge port 56 side. As described above, the dewatered cake E is conveyed while being subjected to the stirring, mixing, crushing, and granulating processes, and is discharged as the granular material F from the discharge port 56 onto the conveying conveyor 38.

As described above, in the generated soil treatment apparatus of the present embodiment, the water absorbing agent addition nozzle 75 and the solidifying agent addition nozzle 76 and the mixer 133 are provided at the charging port 53 side in the rotary drum 46.
And a rotating blade 60 and a scraper 62 on the discharge port 56 side.
Is arranged. Therefore, in the rotary drum 46, the mixing and mixing of the water glass G, the cement H, and the dewatered cake E are appropriately performed by the mixer 133 in the first half, and the dewatered cake gelled by the rotary blade 60 and the scraper 62 in the second half. The disintegration and granulation of E will be performed properly,
The generation quality of the granular material F can be improved.

[Eighth Embodiment] FIG. 16 shows a cross section of a stirring, mixing and crushing granulator applied in a tertiary treatment system in a generated soil treatment apparatus according to an eighth embodiment of the present invention.

As shown in FIG. 16, in the stirring, mixing and crushing granulator 141 of the present embodiment, of the support rollers 142 rotatably supporting the rotary drum 46, the support rollers 142 located on the discharge port 56 side. The outer peripheral portion has an uneven shape, and can be rotated while applying vibration to the rotating drum 46. Among the rotary blades 60 attached to the rotating shaft 59 in the rotary drum 46, those positioned on the discharge port 56 side are rod-shaped rotary rods 143, and the generated granular material F is transferred to the discharge port 56. Cannot be transported to the side.
Note that an eccentric roller may be used instead of the support roller 142 as the swinging unit.

When the generated soil is treated by the generated soil treatment apparatus of the present embodiment, the dewatered cake E is continuously charged into the rotating drum 46 of the stirring, mixing and crushing granulator 141, and the water glass G and the cement H Is stirred and mixed by the rotary drum 46, the rotary blades 60, and the rotary rod 143, and is crushed and dispersed while gelling, and is conveyed to the discharge port 56 side. Then, the substantially granulated particulate F is moved to the discharge port 56 side by the vibration of the rotating drum 46 by the uneven supporting roller 142 and is discharged onto the conveyor 38.

As described above, in the generated soil treatment apparatus according to the present embodiment, the rotating drum 46 is vibrated by the support roller 142, and only the granular material F substantially granulated by the vibration is conveyed from the discharge port 56. I try to discharge.
Therefore, by discharging substantially only the granular material F, the particle size of the granular material F can be uniform and the quality can be improved. Further, by changing the uneven shape of the support roller 142, the frequency of vibration applied to the rotary drum 46 can be changed, and the particle size of the granular material F can be controlled.

[Ninth Embodiment] FIG. 17 is a cross-sectional view of a stirring, mixing and crushing granulator used in a tertiary treatment system in a generated soil treatment apparatus according to a ninth embodiment of the present invention, and FIG.
The I-XVIII cross section is shown.

As shown in FIGS. 17 and 18, in the stirring, mixing and crushing granulator 151 of the present embodiment, of the support rollers 45 for rotatably supporting the rotary drum 46, the support rollers located on the discharge port 56 side. The outer peripheral portion of the roller 142 has an uneven shape and can be rotated while applying vibration to the rotating drum 46. Further, a cylindrical mesh 152 having a smaller diameter than the rotating drum 46 is concentrically positioned in the rotating drum 46,
The end is fixed to the rotating drum 46. Therefore, a space 153 with a predetermined interval is formed between the inner peripheral surface of the rotary drum 46 and the cylindrical mesh 152, and the charging port 53 is formed.
Communicates with the inside of the cylindrical mesh 152, while the outlet 56 communicates with the space 153. The cylindrical mesh 152 has a fine shape that allows only the granular material F having a predetermined particle diameter to pass through.

When the generated soil is treated by the generated soil treatment apparatus of the present embodiment, the dewatered cake E is continuously charged into the rotating drum 46 (cylindrical mesh 152) of the stirring, mixing and crushing and granulating machine 151, and Glass G and cement H are added, and the mixture is stirred and mixed by the cylindrical mesh 152 and each of the rotary blades 60, crushed and dispersed while gelling, and conveyed to the discharge port 56 side. Then, the granular material F, which has been substantially reduced to particles and has a predetermined particle size or less, passes through the cylindrical mesh 152 and falls into the space 153, where the support roller 142 having the uneven shape rotates the rotating drum 46.
Is moved to the discharge port 56 side by the vibration of
Is discharged on top.

As described above, in the generated soil treatment apparatus of the present embodiment, a small-diameter cylindrical mesh 152
Is disposed, only the granular material F which has been reduced to a predetermined particle size or less is dropped into the space 153, and is conveyed by the vibration of the rotating drum 46 by the support roller 142 to be discharged from the discharge port 56. ing. Therefore, by discharging only the granulated particles F having a predetermined particle diameter, the particle diameters of the particles F can be uniformed and the quality can be improved. In addition, the support roller 14
The vibration contributes to the cylindrical mesh 152 together with the rotating drum 46 by means of 2, so that the cylindrical mesh 152 can be prevented from being clogged. If the rotating drum 46 is inclined, the granular material F in the space 153 can be discharged without applying vibration to the rotating drum 46 by the support roller 142. In this case, only the cylindrical mesh 152 is used without power. The granular material F can be classified.

[Tenth Embodiment] FIG. 19 shows a first embodiment of the present invention.
The cross section of the stirring mixing crushing granulator applied in the tertiary treatment system in the generated soil treatment device according to Embodiment 0 is shown.

As shown in FIG. 19, in the stirring, mixing and crushing granulator 161 of the present embodiment, the partition wall 162 along the circumferential direction is conveyed to the inner peripheral surface of the rotary drum 46 on the inner peripheral surface thereof to transport the dehydrated cake E. A plurality are arranged side by side at predetermined intervals in the direction. Therefore, only the granular material F that has been formed into particles and flew in the rotary drum 46 sequentially extends over the partition wall 162 and is conveyed to the discharge port 56 side.

When the generated soil is treated by the generated soil treatment apparatus of the present embodiment, the dewatered cake E is continuously charged into the rotating drum 46 of the stirring, mixing and crushing granulator 161 and the water glass G and the cement H Is added, and the mixture is stirred and mixed by the rotary drum 46 and each rotary blade 60 to gel. And
The gelled dewatered cake E is further scraped up in the rotary drum 46 and collides with the scraper 62, and this scraper 6
2 are guided to the respective rotating blades 60 rotating by the rotating blades 2, are crushed and dispersed by the rotating blades 60, fly, and fly through the respective partition walls 162.
Is transported to the discharge port 56 side while jumping. And
Only the substantially granulated particles F are discharged from the discharge port 56 onto the conveyor 38.

As described above, in the generated soil treatment apparatus of the present embodiment, a plurality of partition walls 162 along the circumferential direction are arranged on the inner peripheral surface of the rotating drum 46 at predetermined intervals in the transport direction of the dewatered cake E. Has been established. Therefore, only the granular material F which has been formed into particles and flew is sequentially extended over the partition wall 162 and is conveyed to the discharge port 56 side, so that the particle size of the granular material F is uniform and the quality can be improved. In this case, the granular material F can be easily classified without requiring a separate power source, and the structure can be simplified.

[Eleventh Embodiment] FIG. 20 shows a first embodiment of the present invention.
1 shows a cross section of a stirring, mixing and crushing granulator applied in a tertiary treatment system in a generated soil treatment apparatus according to one embodiment.

As shown in FIG. 20, in the stirring, mixing and crushing granulator 171 of this embodiment, a water-absorbing agent supply pipe 73 having a plurality of water-absorbing agent addition nozzles 75 is provided above the rotary drum 46.
And a solidifying agent supply pipe 74 having a solidifying agent addition nozzle 76, and an air injection nozzle which is located on the discharge port 56 side and discharges the substantially particulate and flying particulate matter F from the discharge port 56. An air supply pipe 173 having 172 is provided. A base end of the air supply pipe 173 is fixed to an upper portion of the wall portion 42b, and a compressor 175 is connected to the base end via a connection pipe 174.

When the generated soil is treated by the generated soil treatment apparatus of the present embodiment, the dewatered cake E is continuously charged into the rotating drum 46 of the stirring, mixing, crushing and granulating machine 171 and the water glass G and the cement H Is added, and the mixture is stirred and mixed by the rotary drum 46 and each rotary blade 60 to gel. And
The gelled dewatered cake E is further scraped up in the rotary drum 46 and collides with the scraper 62, and this scraper 6
2 are guided to the respective rotating blades 60 which are rotated by the rotating blades 2, and are crushed and dispersed by the rotating blades 60, and the granular material F substantially granulated
Only fly. Here, since the air is jetted from the air jet nozzle 172 toward the discharge port 56 side, the granular material F is discharged from the discharge port 56 onto the transport conveyor 38.

As described above, in the generated soil treatment apparatus according to the present embodiment, the air discharged from the discharge port 56 through the rotary drum 46 near the discharge port 56 and the substantially granularized and flying particulate matter F is discharged from the discharge port 56. An injection nozzle 172 is provided. for that reason,
Only the particulate matter F that has been formed into particles and flew is the air jet nozzle.
The air injected from 172 is discharged from the discharge port 56, and the particle size of the granular material F is uniform, so that the quality can be improved. Further, in this case, since the classification of the granular material F is performed by air, the power is small and the contact is non-contact, so that the damage to the mechanical parts can be reduced.

[Twelfth Embodiment] FIG. 21 shows a first embodiment of the present invention.
3 shows a cross-section of a stirring, mixing and crushing granulator applied in a tertiary treatment system in a generated soil treatment apparatus according to a second embodiment.

As shown in FIG. 21, in the stirring, mixing and crushing granulator 181 of this embodiment, by fixing the cylindrical mesh 152 in the rotary drum 46, the inner peripheral surface of the rotary drum 46 and the cylindrical mesh 152 are fixed. A space 153 with a predetermined interval is formed between the space 153, and the inlet 53 communicates with the inside of the cylindrical mesh 152, while the outlet 56 communicates with the space 153. Further, an air injection nozzle 18 for pressing the granular material F positioned on the discharge port 56 side and passing through the cylindrical mesh 152 toward the discharge port 56 side.
An air supply pipe 183 having two is provided. A base end of the air supply pipe 183 is fixed to a lower portion of the wall portion 42b, and a compressor 185 is connected to the base end via a connection pipe 184.

When the generated soil is treated by the generated soil treatment apparatus of the present embodiment, the dewatered cake E is continuously charged into the rotating drum 46 (cylindrical mesh 152) of the stirring, mixing and crushing and granulating machine 151, and Glass G and cement H are added, and the mixture is stirred and mixed by the cylindrical mesh 152 and each of the rotary blades 60, crushed and dispersed while gelling, and conveyed to the discharge port 56 side. Then, the granular material F which has been substantially converted into particles and has a predetermined particle size or less passes through the cylindrical mesh 152, falls into the space 153, and air is injected from the air injection nozzle 182 toward the discharge port 56 side. Therefore, this granular material F
Is discharged onto the conveyor 38.

As described above, in the generated soil treatment apparatus of this embodiment, the small diameter cylindrical mesh 152
Is disposed, only the granular material F, which has been substantially converted into particles and has a predetermined particle size or less, is dropped into the space 153, and is discharged from the discharge port 56 by air from the air injection nozzle 182.
Therefore, by discharging only the granulated particles F having a predetermined particle diameter, the particle diameters of the particles F can be uniformed and the quality can be improved. Further, in this case, since the classification of the granular material F is performed by air, the power is small and the contact is non-contact, so that the damage to the mechanical parts can be reduced.

[Thirteenth Embodiment] FIG. 22 shows a thirteenth embodiment of the present invention.
3 shows a cross-section of a stirring, mixing and crushing granulator applied in a tertiary treatment system in a generated soil treatment apparatus according to a third embodiment.

As shown in FIG. 22, in the stirring, mixing and crushing granulator 191 of the present embodiment, a plate-shaped mesh plate 192 is positioned at a lower portion in the rotary drum 46 so as to penetrate therethrough, and one end is formed. The other end portion is fixed to the wall portion 42a and protrudes outside through the wall portion 42b. And this mesh plate 19
2 is biased and supported downward by a spring 193, and can be vibrated by an eccentric cam 195 of a drive motor 194. Therefore, a space 196 at a predetermined interval is formed between the inner peripheral surface of the rotating drum 46 and the mesh plate 192, and the input port 53 communicates with the upper side of the mesh plate 192, while the discharge port 56 is It communicates with this space 196. The mesh plate 192 has a fine shape that allows only the granular material F having a predetermined particle size to pass through.

When the generated soil is treated by the generated soil treatment apparatus of the present embodiment, the dewatered cake E is continuously charged into the rotating drum 46 of the stirring, mixing and crushing granulator 191, and the water glass G and the cement H Is added, stirred and mixed by the rotating drum 46 and each of the rotating blades 60, crushed and dispersed while gelling, and conveyed to the discharge port 56 side. Then, the granular material F, which has been substantially reduced to particles and has a predetermined particle size or less, passes through the mesh plate 192, falls into the space 196, and is discharged from the discharge port 56 onto the conveyor 38. In addition, as a means for discharging the granular material F dropped into the space 196 from the discharge port 56,
The support roller 142 and the air injection nozzle 182 described above may be used.

As described above, in the generated soil treatment apparatus of the present embodiment, the mesh plate 192 is provided in the rotary drum 46, and only the granular material F which has been substantially granulated and has a predetermined particle size or less is spatially removed. It is made to drop into the part 196 and is discharged from the discharge port 56. Therefore, by discharging only the granulated particles F having a predetermined particle diameter, the particle diameters of the particles F can be uniformed and the quality can be improved.

The classifying means of the stirring, mixing and pulverizing granulators of the above-described eighth to thirteenth embodiments are as follows: support roller 142, cylindrical mesh 152, partition wall 162, air jet nozzle 172, air jet nozzle 182 mesh. Although the plate 192 and the like are used, the present invention is not limited to these, and a plurality of classifying means may be combined.

In each of the above embodiments, the rotary drum 46 has a cylindrical shape, but may have a polygonal shape.
Further, the rotary drum 46 and the rotary blade 60 (rotating shaft 59)
Are rotated in the same direction, but may be reversed in accordance with the mounting position with the scraper 62 or the like. And the rotor 6
The shape of 0 is also inclined as a conveying means for conveying the dewatered cake E supplied from the charging port 53 into the rotating drum 46 to the discharging port 56 side, but if the rotating drum 46 itself is tilted,
The rotor may be a simple rod and is not limited to its shape.

The water-absorbing agent supply pipe 73 (water-absorbing agent addition nozzle 75) and the solidification agent supply pipe 74 (solidification agent addition nozzle 7) are located above the rotary drum 46 and below the scraper 62.
Although 6) is provided, it may be above the scraper 62 or may be embedded in the scraper 62 in consideration of prevention of clogging of the nozzles 75 and 76. In addition to the water glass G, the water absorbing agent may be, for example, sodium silicate as a silicate, or an organic water absorbing agent such as a polymer or a monomer. Solidifying agent.

Furthermore, the shape of the scraper 62 is not limited to the embodiment as long as the dewatered cake E scraped up in the rotary drum 46 can be guided to the rotary blade 60, and the mounting position is also changed as required. You only have to decide.

Further, in each of the above embodiments, the excavated soil A discharged by the muddy shield excavator is processed. However, the excavated soil discharged by the earth pressure type shield excavator can also be processed. In this case, the primary treatment system and the secondary treatment system may be omitted, and the generated soil may be directly carried into the tertiary treatment system. This is because the specific gravity of the generated soil discharged by the earth pressure type shield excavator is 1.4 to specific gravity of the dewatered cake E.
This is because it is almost the same as 1.6, and is a mud containing several cm of stone or sand and has a water content of about 20 to 50%. Further, the generated soil may be the above-mentioned generated soil or construction sludge.

[0113]

As described above in detail in the embodiment, according to the crushing and granulating apparatus according to the first aspect of the present invention, the hollow rotary drum having the inlet and the outlet is rotated with a substantially horizontal axis. It is freely supported, and the generated soil introduced into the rotating drum can be transported to the discharge port side by the generated soil transport means, and the internal material of the generated soil mixed with the water absorbing agent and the solidifying agent in this rotating drum is separated. In addition to rotatably supporting the rotating wings that make the particles into particles, the scraper that guides the scattered material scraped up in the rotating drum to the rotating wings is arranged opposite to the rotating wings. It is scraped up and collides with the scraper, and is guided to the rotor blades to be disintegrated and dispersed, so that the particle processing can be performed efficiently and automatically and continuously, and the processing efficiency can be improved. Diagram of improvement It is possible.

Further, according to the crushing and granulating apparatus of the second aspect of the present invention, the rotation axis of the rotary blade is disposed substantially along the rotation axis of the rotary drum, and the rotation direction of the rotary blade and the rotary drum is changed. Since the same thing is used, when the scattered material picked up by the rotating drum is guided to the rotating blades by the scraper, the rotating blades can surely crush and scatter the generated soil to form particles.

Further, according to the crushing and granulating apparatus of the third aspect of the present invention, since the generated soil transporting means is constituted by fixing a plurality of rotating blades to the rotation axis by inclining forward in the transport direction, the generated soil is disintegrated. It can be transported while crushing and granulating, so that the efficiency of the treatment can be improved and the size of the apparatus can be reduced.

Further, according to the crushing and granulating apparatus of the invention of claim 4, a water-absorbing agent addition nozzle for adding a water-absorbing agent to the generated soil introduced into the rotary drum from the charging port in the upper portion of the rotary drum. , A solidifying agent addition nozzle for adding a solidifying agent to the generated soil is provided, and the rotating blades are rotated to stir and mix the generated soil with the water absorbing agent and the solidifying agent added thereto, so that the internal substance is divided and formed into particles. Therefore, the process of adding the water absorbing agent and the solidifying agent, the process of stirring and mixing the generated soil, and the process of granulation are performed in the rotating drum, so that the efficiency of the process can be improved and the size of the apparatus can be reduced. Can be planned.

Further, according to the crushing and granulating apparatus of the invention of claim 5, since the inclination means for inclining the rotary drum with respect to the direction of transport of the generated soil is provided, the processing of the generated soil is performed according to the inclination angle of the rotary drum. The time (residence time in the rotating drum) changes, and the particle size and hardness of the granular material, that is, the quality of the granular material can be adjusted to produce the granular material according to the application.

Further, according to the crushing and granulating apparatus of the invention of claim 6, since the dry powder injection nozzle for injecting the dry powder into the granular material substantially granulated by the rotating blades in the rotary drum is provided, the powder is substantially granulated. By adhering the dry powder around the granules, it is possible to reliably prevent re-adhesion of the granules and improve the production quality, and to reduce the amount of the solidifying agent to reduce the production cost. it can.

Further, according to the crushing and granulating apparatus of the present invention, since the pedestal is provided in the rotary drum for receiving the particulate matter which has been substantially granulated by the rotating blades and flew, the substantially granulated granule is provided. By discharging only the particles, it is possible to improve the quality by uniforming the particle diameters of the granular materials, and it is possible to reliably prevent re-adhesion between the granular materials.

Further, according to the crushing and granulating apparatus of the invention of claim 8, a water absorbing agent addition nozzle and a solidifying agent addition nozzle are provided on the input side of the rotary drum, and the water absorbing agent is provided on the inner peripheral surface of the rotary drum. In addition, a lifter and a scraper are provided on the discharge port side in the rotary drum, while a lifter that lifts the generated soil to which the solidifying agent has been added is provided. The agitation and mixing of the agent and the generated soil is performed properly, and the generated soil that has been gelled by the rotor blades and the scraper in the latter half will be appropriately disintegrated and granulated, thereby improving the quality of the granular material. .

According to the crushing and granulating apparatus of the ninth aspect of the present invention, the water absorbing agent addition nozzle and the solidifying agent addition nozzle are provided on the charging port side of the rotary drum, and the water absorbing agent and the solidifying agent are added. While a mixer for stirring and mixing the generated soil was provided, a rotating blade and a scraper were provided on the discharge port side in the rotating drum, so in the rotating drum, the water absorbing agent, the solidifying agent, and the generated soil were agitated and mixed by the mixer in the first half. Is properly performed, and the dewatered cake E gelled by the rotor and the scraper in the latter half is properly disintegrated and granulated, so that the quality of the granular material can be improved.

According to the crushing and granulating apparatus of the tenth aspect, by rotating the rotating drum, the rotating drum oscillating means for discharging only the granulated particles in the rotating drum from the discharge port. Is provided, vibration is applied to the rotating drum by the oscillating means, and only the substantially granular particles are conveyed and discharged from the discharge port by this vibration, and only the substantially granular particles are discharged, The quality can be improved because the particle size of the granular material is uniform.

Further, according to the crushing and granulating apparatus of the present invention, only the granular material having a predetermined particle diameter, which is formed into particles at a predetermined distance from the inner peripheral surface of the rotary drum, can pass through the rotary drum. A cylindrical mesh was attached, and the inlet was connected to the inside of the cylindrical mesh, while the outlet was connected to the space between the rotating drum and the cylindrical mesh. It is dropped into the space and discharged from the discharge port, and by discharging only the granulated particles having a predetermined particle size, the particle size of the particles can be uniform and the quality can be improved, and without power. By classifying the granular material using only the cylindrical mesh, the apparatus can be simplified.

According to the crushing and granulating apparatus of the twelfth aspect of the present invention, only the granular material that has been formed into particles and flew within the rotary drum extends over the inner peripheral surface of the rotary drum and is conveyed to the discharge port side. Since the partition wall is provided, only the granular material that has been formed into particles and flew is sequentially extended over the partition wall and conveyed to the discharge port side, and the particle size of the granular material can be uniform and quality can be improved. In addition, the granular material can be easily classified without requiring a separate power source, and the structure can be simplified.

Further, according to the crushing and granulating apparatus of the thirteenth aspect of the present invention, since the rotary drum is provided with the air injection nozzle for conveying only the particulate matter which has been formed into particles and flew in the rotary drum to the discharge port side. Only the particulate matter that has flew into particles is discharged from the discharge port by the air injected from the air injection nozzle, so that the particle size of the particulate matter can be uniform and the quality can be improved, and the classification of the particulate matter can be performed. Is performed by air, the power is small, and the contact is non-contact, so that damage to mechanical parts can be reduced.

Further, according to the generated soil treatment apparatus of the invention, a water absorbing agent adding device and a solidifying agent adding device are provided, and the generated soil to which the water absorbing agent and the solidifying agent are added is stirred and mixed. Machine and a crusher-granulator that separates the internal material into particles by rotating blades and a scraper in a rotatable rotating drum to produce granules, so that the generated soil is By adding a water-absorbing agent and a solidifying agent, a polymer is formed between the fine particles to restrain the fine particles, and by taking in free water and gelling, the viscosity of the generated soil increases to facilitate dispersion and granulation, and By discharging only the generated granules, the process from gelation by stirring and mixing of the generated soil to crushing and granulation processing to generate and discharge the granules is performed continuously, Automatically continuous soil treatment It is possible to perform, it can be performed granulation process efficiently, so that it is possible to reduce the processing cost by reusing waste soil.

Further, according to the generated soil treatment apparatus of the fifteenth aspect, the primary treatment means for removing the gravel component from the soil generated by the excavation work, and the coagulant is added to the generated soil treated by the primary treatment means. A secondary treatment unit for adding and dewatering, and a tertiary treatment unit for converting the generated soil treated by the secondary treatment unit into granules, the tertiary treatment unit comprising a water-absorbing agent adding device, a solidifying agent adding device And a stirring mixer for stirring and mixing the generated soil to which the water-absorbing agent and the solidifying agent have been added, and the mixed generated soil is divided into particles by a rotating blade and a scraper in a rotatable rotary drum to separate internal substances. Since it is composed of a crushing granulator that generates granules, a water absorbing agent and a solidifying agent are added to the generated soil, a polymer is formed between the fine particles and the fine particles are restrained, and free water is taken in and gelled. Soil generated by letting Viscosity increases to facilitate dispersion and granulation, and only the generated granules are discharged to generate and discharge granules from the gelling process by stirring and mixing of the generated soil to the crushing and granulating process. By continuously performing the processing up to the point, it is possible to automatically and continuously perform the generated soil treatment, and it is possible to efficiently perform the granulation treatment, and as a result, to reuse the generated soil Thus, the processing cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a schematic diagram illustrating processing steps of a generated soil processing apparatus according to a first embodiment of the present invention.

FIG. 2 is a schematic diagram illustrating processing steps of a tertiary processing system.

FIG. 3 is a cross-sectional view of the crushing granulator of the present embodiment.

FIG. 4 is a sectional view taken along line IV-IV of FIG. 3;

FIG. 5 is a schematic diagram illustrating processing steps of a tertiary processing system in a generated soil processing apparatus according to a second embodiment of the present invention.

FIG. 6 is a cross-sectional view of the stirring, mixing, and crushing granulator of the present embodiment.

FIG. 7 is a sectional view taken along the line VII-VII of FIG. 6;

FIG. 8 is a cross-sectional view of a stirring, mixing and crushing granulator applied in a tertiary treatment system in a generated soil treatment apparatus according to a third embodiment of the present invention.

FIG. 9 is a graph showing a diameter of a granular material with respect to a processing time.

FIG. 10 is a schematic diagram illustrating the operation of the stirring, mixing, and crushing granulator of the present embodiment.

FIG. 11 is a diagram of a stirring, mixing, crushing and granulating machine applied in a tertiary treatment system in a generated soil treatment apparatus according to a fourth embodiment of the present invention.

FIG. 12 is a cross-sectional view of a stirring, mixing, and crushing granulator applied in a tertiary treatment system in a generated soil treatment apparatus according to a fifth embodiment of the present invention.

FIG. 13 is a cross-sectional view of a stirring, mixing and crushing granulator applied in a tertiary treatment system in a generated soil treatment apparatus according to a sixth embodiment of the present invention.

FIG. 14 is a sectional view taken along line XIV-XIV of FIG.

FIG. 15 is a cross-sectional view of a stirring, mixing, and crushing granulator applied in a tertiary treatment system in a generated soil treatment apparatus according to a seventh embodiment of the present invention.

FIG. 16 is a cross-sectional view of a stirring, mixing and crushing granulator applied in a tertiary treatment system in a generated soil treatment apparatus according to an eighth embodiment of the present invention.

FIG. 17 is a cross-sectional view of a stirring, mixing, and crushing granulator applied in a tertiary treatment system in a generated soil treatment apparatus according to a ninth embodiment of the present invention.

18 is a sectional view taken along line XVIII-XVIII in FIG.

FIG. 19 is a cross-sectional view of a stirring, mixing, and crushing granulator applied in a tertiary treatment system in a generated soil treatment apparatus according to a tenth embodiment of the present invention.

FIG. 20 is a cross-sectional view of a stirring, mixing, and crushing granulator applied in a tertiary treatment system in a generated soil treatment apparatus according to an eleventh embodiment of the present invention.

FIG. 21 is a sectional view of a stirring, mixing, and crushing granulator applied in a tertiary treatment system in a generated soil treatment apparatus according to a twelfth embodiment of the present invention.

FIG. 22 is a cross-sectional view of a stirring, mixing, and crushing granulator applied in a tertiary treatment system in a generated soil treatment apparatus according to a thirteenth embodiment of the present invention.

FIG. 23 is a schematic view of a process of a conventional generated soil treatment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Primary treatment system 12 Classifier 21 Secondary treatment system 23 Coagulant addition device 24 Dehydrator 31 Tertiary treatment system 32 Screw conveyor 33 Water-absorbing agent addition device 34 Solidifying agent addition device 36 Stirring mixer 37 Crushing granulator 38 Conveying conveyor 45 Support roller 46 Rotary drum 50 Drive motor 53 Input port 54 Hopper 56 Discharge port 57 Shooter 59 Rotating shaft 60 Rotor blade (generated soil conveying means) 61 Drive motor 62 Scraper 71 Tertiary treatment system 72 Stirring / mixing / crushing granulator 73 Water absorption Agent supply pipe 74 Solidifying agent supply pipe 75 Water absorbing agent supply nozzle 76 Solidifying agent supply nozzle 91 Stirring mixing crushing granulator 92 Inclined table 94 Inclination mechanism 101 Stirring mixing crushing granulator 102 Dry powder injection nozzle 103 Dry powder supply pipe 111 Stirring Mixing and crushing granulator 112 Outlet 121 Stirring and mixing and crushing granulator 122 Stirring lifter 131 Stirring and mixing and crushing and granulating Machine 133 Mixer 141 Stir-mix / pulverizer-granulator 142 Support roller 151 Stir-mix-pulverizer-granulator 152 Cylindrical mesh 153 Space 161 Stir-mix / pulverizer-granulator 162 Partition wall 171 Stir-mix-pulverizer / granulator 172 Air injection Nozzle 181 Stir-mixing crushing granulator 182 Air injection nozzle 191 Stir-mixing crushing granulator 192 Mesh plate 195 Eccentric cam 196 Space A, C Generated soil B Gravel component D Coagulant E Dewatering cake F Granule G Water glass (Water absorbing agent) H cement (solidifying agent)

Claims (15)

[Claims] 1. A hollow rotary drum rotatably supported with a substantially horizontal axis and having an input port for generated soil and an output port for generated granular material, and a rotary drum inserted from the input port into the rotary drum. A generated soil conveying means for conveying the input generated soil to the discharge port side, and particles which separate the internal material of the generated soil, which is rotatably supported in the rotating drum and is mixed with a water absorbing agent and a solidifying agent. A crushing and granulating apparatus comprising: a rotating blade to be formed into a rotating drum; and a scraper disposed in the rotating drum so as to face the rotating blade, and guiding the scattered matter scattered to the rotating blade. 2. The crushing and granulating apparatus according to claim 1, wherein
A crushing and granulating apparatus, wherein the rotation axis of the rotary blade is disposed substantially along the rotation axis of the rotary drum, and the rotation directions of the rotary blade and the rotary drum are the same. 3. The crushing and granulating apparatus according to claim 1, wherein
The crushing and granulating apparatus, wherein the generated soil conveying means is configured by fixing a plurality of the rotating blades to a rotating shaft by inclining forward in a conveying direction. 4. The crushing and granulating apparatus according to claim 1,
A water-absorbing agent addition nozzle for adding a water-absorbing agent to generated soil injected into the rotary drum from the input port and a solidifying agent adding nozzle for adding a solidifying agent to the generated soil are provided in an upper portion of the rotating drum. A crushing and granulating apparatus, wherein the rotating blades rotate to mix and stir the generated soil to which the water-absorbing agent and the solidifying agent have been added, and then divide the internal substance into particles. 5. The crushing and granulating apparatus according to claim 1, wherein
A crushing and granulating apparatus, wherein an inclination means for inclining the rotating drum with respect to the direction of transport of the generated soil is provided. 6. The crushing and granulating apparatus according to claim 1, wherein
A crushing and granulating apparatus, wherein a dry powder injection nozzle for injecting dry powder into the granular material substantially granulated by the rotary blade is provided in the rotary drum. 7. The crushing and granulating apparatus according to claim 1, wherein
A crushing and granulating apparatus, wherein a receiving table is provided in the rotating drum for receiving the granular material that has been substantially converted into particles by the rotating blades and flew. 8. The crushing and granulating apparatus according to claim 4,
The water-absorbing agent addition nozzle and the solidifying agent addition nozzle are provided on the charging port side in the rotary drum, and the generated soil to which the water-absorbing agent and the solidifying agent are added is scraped on the inner peripheral surface of the rotary drum. A crushing and granulating apparatus, wherein a lifting lifter is provided, and the rotating blades and the scraper are provided on the discharge port side in the rotating drum. 9. The crushing and granulating apparatus according to claim 4,
The water-absorbing agent addition nozzle and the solidifying agent addition nozzle are provided on the charging port side in the rotating drum, and a mixer that stirs and mixes the generated soil to which the water-absorbing agent and the solidifying agent are added is provided. A crushing and granulating apparatus, wherein the rotary blade and the scraper are provided on the discharge port side of the inside. 10. A rotating drum oscillating means according to claim 1, wherein said rotating drum is oscillated so as to discharge only the granular material in the rotating drum from the outlet. A crushing and granulating apparatus characterized by comprising: 11. The crushing and granulating apparatus according to claim 1, wherein only a granular material having a predetermined particle diameter, which has been formed into particles at a predetermined distance from an inner peripheral surface of the rotary drum, can pass through the rotary drum. A crushing and granulating apparatus, wherein a mesh is attached, and the input port communicates with the inside of the cylindrical mesh, and the discharge port communicates with a space between the rotary drum and the cylindrical mesh. 12. The crushing and granulating apparatus according to claim 1, wherein only the granular material that has been formed into particles and flew within the rotary drum extends over the inner peripheral surface of the rotary drum and is conveyed to the discharge port side. A crushing and granulating apparatus characterized in that a partition wall is provided. 13. The crushing and granulating apparatus according to claim 1, further comprising an air injection nozzle provided in the rotary drum, for conveying only the particulate matter that has been formed into particles and flew in the rotary drum to the discharge port side. A crushing and granulating apparatus, characterized in that: 14. A water absorbing agent adding device for adding a water absorbing agent to the generated soil, a solidifying agent adding device for adding a solidifying agent to the generated soil, and agitating and mixing the generated soil to which the water absorbing agent and the solidifying agent are added. And a disintegrating granulator that forms a granular material by dividing the internal material into particles by a rotating blade and a scraper in a rotatable rotary drum and mixing the generated soil mixed with the water absorbing agent and the solidifying agent. Generated soil treatment apparatus characterized by comprising a machine. 15. A primary processing means for removing a gravel component from soil generated by excavation work, a secondary processing means for adding a coagulant to the generated soil treated by the primary processing means and dehydrating the soil, Tertiary treatment means for converting the generated soil treated by the secondary treatment means into a granular material, the tertiary treatment means includes a water-absorbing agent adding device for adding a water-absorbing agent to the generated soil, and a solidifying agent for the generated soil. A solidifying agent adding device to be added, a stirring mixer for stirring and mixing the generated soil to which the water absorbing agent and the solidifying agent have been added, and a rotatable rotating drum for the generated soil mixed with the water absorbing agent and the solidifying agent. An apparatus for treating soil generated, comprising: a crusher-granulator for dividing an internal substance into particles by a rotor and a scraper to generate a granular material.