WO2019016859A1

WO2019016859A1 - Improved soil manufacturing/management system using rotary type crushing/mixing device

Info

Publication number: WO2019016859A1
Application number: PCT/JP2017/025939
Authority: WO
Inventors: 研二大坪; 博志小幡; 典昭中島
Original assignee: 日本国土開発株式会社
Priority date: 2017-07-18
Filing date: 2017-07-18
Publication date: 2019-01-24
Also published as: JP6466043B1; JPWO2019016859A1; SG11201900950XA; KR102122387B1; KR20190020653A

Abstract

This manufacturing/management system is for efficiently running a rotary type crushing/mixing device in accordance with the intended use of improved soil as well as the characteristics and amount of materials to be used at the time of manufacturing. The system comprises: an improved soil information input means 101 for inputting information relating to a target quality of improved soil; a raw material soil information input means 102 for inputting information relating to raw material soil; a setting storage means 103 for storing a setting condition of a rotary type crushing/mixing device appropriate for achieving the improved soil target quality, and data or a relational expression regarding the relation between an operation condition and the raw material soil; and a setting condition determination means 104 for using the data or relational expression stored in the setting storage means 103 to perform a comparison or calculation to determine, on the basis of the information input to the improved soil information input means 101 and the information input to the raw material soil information input means 102, a setting condition of the rotary type crushing/mixing device.

Description

Production control system of improved soil using rotary crushing and mixing equipment.

The present invention relates to a production management system for improved soil using a rotary crushing and mixing apparatus for producing an improved soil using construction-generated soil as a raw material.

The applicant of the present application has developed a rotary crushing and mixing method and a rotary crushing and mixing apparatus to be used for the construction method for improving and effectively utilizing construction generated soil, etc. You are getting

The rotary crushing and mixing method uses a rotary crushing and mixing apparatus equipped with a band-shaped impact addition member (hereinafter referred to as an impact member) rotating at high speed in a cylindrical container, and is charged into the container by the impact force of the impact member. It is a method of crushing and refining the generated construction soil and has the effect of finely dispersing the material uniformly. In addition, if necessary, as additives, lime-based solidifying materials such as quick lime and slaked lime, cement-based solidifying materials such as ordinary cement and blast furnace cement, or soil conditioners made of polymer materials, etc. And strength etc. can be adjusted.

In this rotary crushing and mixing method, since the application range of the earth and sand is wider than that of the conventional method, the earth and sand which has been difficult to be improved by the conventional method can be uniformly mixed. That is, the impact force of the belt-like impact addition member rotating at high speed finely loosens the clay lump, and soft rock is finely crushed and mixed, so that it is possible to produce soil of stable quality. As a result, it is possible to make effective use of construction-generated soil and the like that had been disposed off site before, and it is possible to reduce environmental load and construction cost and cost.

As described above, the rotary crushing and mixing method can simultaneously perform crushing and mixing by one mechanism, and adapts to a wide range of soil properties from high moisture specific viscosity clay to soft rock, so it is suitable for effective use of construction generated soil etc. ing.

Japanese Patent No. 3554829 Japanese Patent No. 3389202 Japanese Patent No. 3643587 Japanese Patent No. 3842062 Japanese Patent No. 4601951 Japanese Patent No. 4675571 Japanese Patent No. 5847394

In the rotary crushing and mixing method, materials intended for improvement (ground materials and soil materials) are soils, so the properties of the soil change depending on the depth, position, weather, etc. Therefore, when adjusting the particle size by mixing or crushing and mixing two or three types of soil or rock, or when mixing additives with the soil, the throughput is excessive for the size and capacity of the plant, and the impact When the number of members and the number of revolutions are large, a large load may be applied to the plant, which may cause a problem.

On the other hand, if the throughput is too small relative to the size and capacity of the plant, or if the number of impact members and the number of revolutions are small, no load is applied to the plant, but the material is insufficiently crushed or mixing is insufficient In addition, the quality of the improved soil may be lowered, and the target quality may not be obtained, which may cause problems in the construction with the improved soil.

The present invention is intended to solve the above-mentioned problems in the manufacture of improved soil using a rotary crushing and mixing apparatus, and according to the properties of the materials used, plant specifications (throughput, number of impact members, rotation To provide an improved soil production control system using a rotary crushing and mixing apparatus capable of optimizing the number, etc., to produce high quality and stable improved soil and supplying stable improved soil to the application site. It is an object.

The present invention uses a rotary crushing and mixing apparatus for producing an improved soil from ground materials such as construction-generated soil, which is a raw material, and the amount treated according to the properties of the used improved soil and the properties and amount of materials used during production. The present invention relates to a manufacturing control system and a manufacturing method for optimizing the specification of a plant, such as the number of impact members, the number of revolutions, and the like, so that a high quality and stable improved soil can be manufactured.

The basic form of the rotary fracturing and mixing apparatus itself is the known one described in the background art section, in which the raw material soil and an additive as a soil improving material to be added as needed are internally charged and crushed and mixed A cylindrical container, an inlet for introducing the raw material soil into the container, an outlet for taking out the improved soil produced by crushing and mixing the raw material soil in the container, A vertical rotation shaft provided at the center of a cylindrical container, and one or more stages attached to the rotation shaft, is centrifugally rotated in the container by rotation of the rotation shaft, and the raw material soil is crushed and mixed A rotary crushing and mixing apparatus provided with a plurality of impact members (strip-shaped impact addition members) is used.

The production management system of the present invention is a system for efficiently operating such a rotary crushing and mixing apparatus according to the application of the improved soil and the properties and amount of the materials used at the time of production. It has the means d.
a. Improved soil information input means for inputting information on target quality of the above-mentioned improved soil b. Raw material soil information input means for inputting information on the raw material soil c. Data (including data based on existing achievements) or a relation relating to the relationship between the setting conditions (including operating conditions) of the rotary crushing and mixing apparatus suitable for achieving the target quality of the improved soil and the information on the raw material soil Setting storage means stored d. The rotary crushing and mixing apparatus using data or a relational expression stored in the setting storage means based on the information input to the improved soil information input means and the information input to the raw material soil information input means Setting condition determination means to compare or calculate the setting conditions

In the present invention, the information on the target quality of the improved soil includes at least one of information on application or strength of the improved soil, information on particle size of the improved soil, information on water content of the improved soil, and information on properties of the improved soil. It shall contain 2 or more.

The information on the raw material soil includes at least two or more of the information on the type of raw material soil, the information on the particle size of the raw material soil, the information on the moisture ratio of the raw material soil, and the information on the properties of the raw material soil.

The setting conditions of the rotary crushing and mixing apparatus include the number of rotations of the rotary shaft, the form or specification of the impact member, the position or number of the impact members, and the throughput of the rotary crushing and mixing apparatus (for example, total processing volume, It shall include at least two or more of the conditions regarding production volume per hour or day etc.) or operation time.

In the production management system of the present invention having the configuration as described above, based on the past construction results, the materials used (ground materials, soil materials) and additives according to the improvement target, and the optimum improvement quality By combining the obtained combination of plant specifications into a database and incorporating it in a plant system, it is possible to optimize plant specifications and produce high quality and stable improved soil.

In addition, not only the rotary crushing and crusher, but also the transportation equipment for raw material soil, the equipment for supplying additives, the equipment for carrying out improved soil, etc. are included in the manufacturing plant of the improved soil, and the raw soil, additives and improvement are further included. There are cases where soil storage facilities are provided, and a system that comprehensively manages them including their operation and operating conditions can also be used.

In addition, in the production management system of the present invention, display means such as a display for displaying the setting conditions and operating conditions of the rotary crushing and mixing apparatus determined by the setting condition determining means, operation of other facilities, operating conditions and the like If provided, the management situation of plant equipment can be visualized.

In addition, as a confirmation that the improved soil produced by the production management system of the present invention satisfies the target quality, the quality of the improved soil discharged from the rotary crushing and mixing apparatus is measured, and the information of the measured quality is By providing an improved soil measurement quality information input means for inputting and a feedback means for correcting the setting conditions of the rotary crushing and mixing apparatus by comparing the measured quality information of the inputted improved soil with the target quality of the improved soil , Correction when the target quality is not met, or correction when the quality is excessive.

Also, with regard to the raw material soil, the properties of the raw material soil may change during manufacture due to changes in the weather, the location of collection, and other effects, so measure the moisture ratio and strength of the raw material soil and the quality of the improved soil These data can also be reflected in the plant system in real time, stored in a database to improve the accuracy of the system, and improve quality and productivity.

The method of producing improved soil using the rotary crushing and mixing apparatus according to the present invention provides a procedure for producing improved soil using the above-mentioned production control system, and the use of the improved soil by the improved soil information input means Or the step of inputting at least two or more of information on strength, information on grain size of improved soil, information on moisture content of improved soil, and information on properties of improved soil, and the raw soil by the raw soil information input means Step of inputting at least two or more of the information on the type of the material, the information on the particle size of the raw material soil, the information on the water content ratio of the raw material soil, and the information on the properties of the raw material soil; The rotary crushing and mixing system using the data or the relational expression stored in the setting storage means based on the information input by the input means Determining comparison or operation on the setting condition of the location,
And operating the rotary crushing and mixing apparatus based on the setting conditions of the rotary crushing and crushing apparatus determined by the setting condition determining means.

In the production management system of the present invention, a combination of materials used and additives according to the improvement target, and plant specifications for achieving the optimum improvement quality is made into a database based on the past construction results etc. Incorporating, plant specifications can be optimized to produce high quality and stable improved soil.

Furthermore, by measuring the moisture content and strength of the raw material soil and the quality of the improved soil during production, the data is also reflected on the plant system in real time, thereby improving the accuracy of the system and improving the improved quality and productivity. Can be

It is the perspective view which showed roughly the mechanism of manufacture of the improvement soil by the rotary crushing and mixing apparatus used by this invention. It is a vertical sectional view showing an example of a mechanism of a rotary crushing and mixing device used by the present invention. It is a horizontal sectional view which shows an example of the mechanism of the rotary crushing and mixing apparatus used by this invention. It is a figure showing an example of a different form of an impact member. It is the schematic which showed an example of the process of adding an additive with respect to raw material soil, and manufacturing improved soil using the rotary crushing and crushing apparatus of this invention. It is a figure showing an example of the operation control screen on the monitor in the manufacturing control system of the present invention. It is a flowchart which shows the manufacturing process of the improved soil in this invention.

Hereinafter, embodiments of the present invention will be described based on the drawings.
FIG. 1 is a perspective view schematically showing the mechanism of producing improved soil by the rotary crushing and mixing apparatus used in the present invention. 2 and 3 show an example of the mechanism of the rotary crushing and mixing apparatus as a vertical sectional view and a horizontal sectional view, respectively.

The main part of the rotary crushing and mixing apparatus 1 is a cylindrical container 2 for charging and crushing the raw material soils R1, R2, R3 and additives added as needed, and the raw material for the container 2 An inlet 3 for introducing soil R1, R2 and R3, an outlet 4 for taking out improved soil T produced by crushing and mixing raw material soil R1, R2 and R3 in the container 2 and a cylindrical shape The rotary shaft 5 in the vertical direction provided at the center of the container 2 and the rotary shaft 5 are attached in one or a plurality of stages, and are centrifugally rotated in the container 2 by the rotation of the rotary shaft 5, raw material soil R1, R2, A plurality of impact members (strip-shaped impact addition members) 6 for crushing and mixing R3 are provided.

In FIG. 1, for example, it is assumed that raw material soil R1 which is construction generated soil is clay and silt, raw material soil R2 is sandy soil, and raw material soil R3 is soft rock and gravel, these raw material soils R1, R2 and R3 are introduced The impact member 6 is rotated at a high speed by rotation of the rotary shaft 5 through rotation of the rotary shaft 5 from the port 3 and the input raw material soils R1, R2 and R3 are crushed or crushed and mixed uniformly.

In addition, depending on the situation of the site, the application of the improved soil, the target quality, etc., the raw material soil is one type or two types such as the site generated soil, and the soil conditioner such as lime or cement-based solidifying material as needed. Additives are added as

In the container 2, the impact force of the high-speed rotating impact member 6 breaks up soft rock and splinters finely and loosens viscous materials such as clay and silt to finely and uniformly make multiple types of raw material soils R1, R2 and R3. It can be mixed to obtain high quality improved soil T.

The improved soil T is selected, combined (blended amount etc.) of the raw material soil R1, R2 and R3 so that the properties such as water content, strength, viscosity and fluidity become the target quality according to the application. The target quality according to the application is made to be obtained by adding additives such as lime and cement-based solidifying material into the container 2 if necessary and crushing and mixing.

The additive is introduced from the inlet 3 together with the raw material soils R1, R2 and R3 or separately provided with an inlet for the additive and introduced.

As shown in FIG. 2, the container 2 is supported by a support frame 7, and an inlet 3 is provided at the upper part of the container 2 for introducing raw material soil etc. An outlet from which the improved soil is discharged at the lower part of the container 2 4 is provided. In addition, polymer plates 3a and 4a for preventing adhesion of earth and sand are attached to the inner surfaces of the inlet 3 and the outlet 4, respectively.

The rotating shaft 5 is rotatably supported by a pair of upper and

lower bearings

8a and 8b vertically disposed at a central portion in the container 2. The upper bearing 8 a is held at an upper central portion in the container 2 by a spoke or a stay (not shown) or the like installed at the upper portion of the container 2. The lower bearing 8 b is also held at the lower central portion of the container 2 by spokes or stays disposed at the lower portion of the container 2.

In the example illustrated in FIGS. 2 and 3, the container 2 is divided into three parts of the upper cylinder 2 a, the lower cylinder 2 b, and the intermediate cylinder 2 c, and the intermediate cylinder 2 c is divided by the intermediate cylinder rotating motor 15. It rotates in the opposite direction to the rotation shaft 5. In the figure,

reference numerals

16a and 16b denote intermediate cylinder rotation support bearings for supporting a flange 2d provided on the outer periphery of the intermediate cylinder 2c.

On the inner surface of the intermediate cylinder 2c, a plurality of strip-shaped scrapers 9 extending longitudinally (four in the drawing) are attached, and the intermediate cylinder 2c rotates in the opposite direction to the rotation shaft 5 It is possible to scrape the soil that adheres to the

The impact member 6 in the embodiment of FIGS. 2 and 3 has a steel thick plate 6b attached to the end of a metal chain 6a, and has a plurality of steps (three steps in the figure) around the rotation shaft 5, radial Attached to The number of the impact members 6 can be adjusted in accordance with the type and properties of the raw material soil, the amount treated, the type and amount of additives, and the target quality of the improved soil.

For attachment of the impact member 6, a chain ring on the base end side of the chain 6a is interposed between a pair of upper and

lower flanges

21a and 21b provided on the outer periphery of the rotating shaft 5, and lock holes of the

flanges

21a and 21b and the chain ring And by bringing the lock pin 22 into these holes.

The impact member 6 hangs downward when the rotary crushing and mixing apparatus 1 is stopped, and drives the motor 11 attached to the outside of the container 2 to drive the driving pulley 12, the belt 13, and the driven pulley 14. The rotating shaft 5 is rotated at a high speed through the rotation, and is rotated at a high speed in the horizontal plane as shown in FIGS.

In FIG. 2, reference numeral 35 denotes a discharge conveyor 35 for carrying out the improved soil manufactured by the rotary crushing and mixing apparatus 1 and discharged from the outlet 4.

FIG. 4 shows another embodiment of the impact member 6.
The impact member 6 shown in FIG. 4A is mainly configured of a metal chain 6a. The impact member 6 of FIG. 4 (B) is mainly composed of a metal blade 6c. The impact member 6 shown in FIG. 4C is made of a flexible metal wire 6d. The impact member 6 shown in FIG. 4D has a structure in which polygonal metal washers 6e are assembled by bolts and nuts.

Besides, it is also possible to use a hammer type impact member or the like in which an appropriately shaped hammer such as a spherical, cube or cylindrical shape is attached to the tip of a metal rod, metal blade, metal chain or metal wire.

FIG. 5: shows an example of the process of adding the additive material A with respect to raw material soil R, and manufacturing the improvement soil T using the rotary crushing and crushing apparatus of this invention.

In the flow of the manufacturing process, raw material soil R is put into the earth and sand hopper 32 by the backhoe 31, supplied quantitatively by the earth and sand feeder 33, passed through the measuring conveyor (belt scale for measuring the weight of the raw material soil) 34, and rotated from the input conveyor 35 The soil is introduced into the crushing and mixing apparatus 1 and the improved soil T produced by the rotary crushing and mixing apparatus 1 is taken out by the discharge conveyor 36.

In this example, the additive storage silo 37 is installed at the site and metered by the measuring conveyor 34, the additive material is quantitatively supplied from the additive feeder 38 to the raw material soil carried by the input conveyor 35, and the raw material soil R is added This is the case where the material A is simultaneously introduced into the rotary crushing and mixing apparatus 1.

The manufacturing control system can be configured as follows.

a. Improved soil information input means This is a means for inputting information about the target quality of the improved soil, specifically, the target of the improved soil with respect to management software installed on a computer or mobile terminal installed in the field or control room etc. You will enter the quality.

Information on the target quality of the improved soil includes at least two or more of the information on the application or strength of the improved soil, the information on the particle size of the improved soil, the information on the moisture content of the improved soil, and the information on the properties of the improved soil. .

The application of the improved soil is, for example, backfilling of a construction work, backfilling of a building, backfilling of civil engineering structures, banking for river embankment, banking for road, banking for land construction, railway embankment, airport embankment, etc. There is.

In addition, it includes detoxification treatment when the locally generated soil is contaminated with harmful substances such as heavy metals and VOCs (volatile organic compounds). In that case, additives for insolubilization or purification are mixed in the production of the improved soil.

The strength of the improved soil is also related to the application, but the information on strength includes cone index (kN / m ² ), uniaxial compression strength by uniaxial compression test (kN / m ² ), triaxial compression test depending on the purpose. Information related to adhesion strength (kN / m ² ) and internal friction angle (φ °), strength by consolidation test, and various other conventional test methods can be used.

Information on the particle size of the improved soil includes the particle size distribution in the improved soil, the fine particle content (%), the maximum particle size (mm) and the like, but can be appropriately selected according to the purpose.

The moisture content (w%) of the modified soil is used as a judgment index of the soil condition, and the relationship between the soil type and the moisture content is, for example, 100 to 1300% for humus and 50 to 90 for alluvial clay. %, 30 to 50% of diluvial soil, 8 to 15% of sand, and 2 to 5% of weir.

Information on the properties of the improved soil includes, for example, information such as a liquid limit and a plastic limit test as an indicator of soil consistency, and a permeability coefficient by a permeability test.

b. Raw material soil information input means This is a means for inputting the information on the raw material soil, and similar to the information on the target quality of the improved soil, the management software installed in the computer or mobile terminal installed in the site or control room etc. It will be input information of raw material soil.

The information on the raw material soil includes at least two or more of the information on the type of raw material soil, the information on the particle size of the raw material soil, the information on the water content ratio of the raw material soil, and the information on the properties of the raw material soil. The raw material soil is not limited to one type, and when multiple types are used, the information of each raw material soil is input.

The type of raw material soil is the type of in-situ generated soil used as the raw material soil, and is classified based on the particle size composition of the soil, the liquid limit and the plastic limit, and further the presence or absence of natural materials, artificial materials, mixed materials, etc. Is also considered.

The grain size, moisture content, properties, etc. of the raw material soil are the same as those described for the modified soil, but when using on-site generated soil as the raw material soil, the soil properties such as moisture content and consistency It is important in the production control of remediation soil, as it is greatly influenced by the weather such as continuing.

In addition, although the kind of raw material soil, the particle size composition of the raw material soil, the liquid limit, and the plasticity limit are related concepts, the kind of the raw material soil as a rough classification is caught and represented by a more specific numerical value Based on information such as particle size, water content ratio, properties, etc., the operating conditions of the rotary crushing and mixing device, the composition of additives to be added as needed, etc. are determined according to the target quality and throughput of the improved soil. Be done.

c. Setting storage means Specifically, using an external storage device such as a hard disk of a computer or mobile terminal on which management software is installed, or a CD, DVD, USB flash memory, etc. as a storage medium, rotation suitable for achieving the target quality of improved soil Data or a relational expression relating to the relationship between the setting condition or the operating condition of the crushing and mixing apparatus and the information on the raw material soil is stored.

The data and relational expressions accumulated in the setting storage means achieve the target quality of the improved soil in relation to the raw material soil based on data, theoretical values, experimental values, etc. obtained from the past results of improved soil production In doing so, the settings considered to be optimal are stored, and can be updated at any time by accumulating the manufacturing results.

In addition, when construction works progress on the site, it is possible to feed back or update based on the information on the quality of the improved soil that is actually obtained.

The setting conditions of the rotary crushing and mixing apparatus include, for example, the number of rotations of the rotating shaft (impact member), the form or specification of the impact member, the position or number of the impact members, the throughput of the rotary crushing and mixing apparatus (for example, total processing amount, These include the amount of production soil per hour or per day, etc., and conditions relating to operation time.

d. Setting condition determination means Specifically, using the management function or comparison function of the computer or mobile terminal, the information input to the improved soil information input means and the raw material soil information input means are input by the installed management software. Based on the obtained information, the setting condition or the operating condition of the rotary crushing and mixing apparatus is determined using the data or the relational expression stored in the setting storage means.

Basically, setting conditions or operating conditions are automatically determined by inputting the target quality of the improved soil and the information on the raw material soil. According to the set conditions, the position and number of impact members are adjusted, and instructions regarding operation control of the rotary crushing and mixing apparatus and peripheral equipment are given.

Table 1 shows the relationship between the target quality of the improved soil, the information on the raw material soil, and the setting conditions in a simplified manner as an example. The items are only representative items for the convenience of the description and the paper. In practice, the more items there are, the more efficient control can be performed.

Further, in the production management system of the present invention, a monitor (display) or the like for displaying setting conditions and operating conditions of the rotary crushing and mixing apparatus determined by the setting condition determining means, operation of other facilities, operating conditions and the like. If the display means is provided, the management situation of the plant equipment can be visualized.

FIG. 6 is a view showing an example of the operation management screen on the monitor in the production management system of the present invention, so that the operation status of the entire improved soil manufacturing plant including the rotary crushing and mixing apparatus can be viewed on the screen of the management system The

The upper left part of the screen displays the plant operation time, the composition of the raw material soil and the modified soil, the water content ratio, and the like. The upper right part of the screen is to be able to display the supply amount of raw material soil etc. and the production amount of improved soil in the form of a graph (the lines of the specific graph are omitted in the figure). The lower part of the screen is to display the status of each position of the schematically displayed plant as a numerical value.
The characters on the screen indicated by lead lines and symbols in FIG. 6 are as follows.

51: Plant operation screen 52: Back (X)
53: Weighing (M)
54: Environment setting (C)
55: Measurement start (F1)
56: Operation mode setting (F5)
57: Data collection screen (F6)
58: End 59: Day driving time 60: Cumulative operating time

61: Item 62: Compounding ratio (%)
63: Water content ratio (%)
64: Sandy soil 65: Cohesive soil 66: Not used 67: Additive 68: Water 1
69: water addition 2
70: Improved soil

71: Supply amount and production amount 72: Improved soil 73: Sandy soil 74: Cohesive soil 75: Unused 76: Additive 77: Water added 1
78: water addition 2

81: Improved soil 82: Sandy soil 83: Cohesive soil 84: Unused 85: Additive 86: Water added 1
87: water addition 2
88: Twister 1 (product name of rotary crushing and mixing apparatus)

91: Measurement stopped 92: Water content ratio not measured 93: Dry weight blending ratio control

Furthermore, as confirmation that the improved soil produced by the production control system of the present invention meets the target quality, the quality of the improved soil discharged from the rotary crushing and mixing apparatus is measured, and the information of the measured quality is obtained. By providing an improved soil measurement quality information input means for inputting and a feedback means for correcting the setting conditions of the rotary crushing and mixing apparatus by comparing the measured quality information of the inputted improved soil with the target quality of the improved soil , Correction when the target quality is not met, or correction when the quality is excessive.

Also, with regard to the raw material soil, the properties of the raw material soil may change during manufacture due to changes in the weather and collection location, and other effects, so measure the water content ratio of the raw material soil, corn index, and quality of the improved soil These data can also be reflected in the plant system in real time, stored in a database to improve the accuracy of the system, and improve quality and productivity.

FIG. 7 is a simplified flow chart showing the process of producing the improved soil according to the present invention, and the production of the improved soil is roughly performed according to the following procedure.

(1) Improved soil information input (101)
As information on the target quality of the improved soil, data on the application, strength, particle size, water content and other properties of the above-mentioned improved soil are input from a computer or mobile terminal.

(2) Raw material soil information input (102)
As information on the raw material soil, data on the type of raw material soil, the particle size, the water content ratio, and other properties described above are input from a computer or a mobile terminal.

(3) Device setting condition storage data (103)
As mentioned above, based on the data, theoretical values, and experimental values obtained from the past results of improved soil production, it is considered to be the best for achieving the target quality of the improved soil in relation to the source soil The setting is stored, and can be updated as needed by accumulating the manufacturing results.

(4) Device setting condition comparison / calculation (104)
Comparison or calculation is performed using the information input in the above steps (1) and (2) and the data or relational expression stored in the result storage means in the step (3), and the rotary crushing and mixing apparatus or The setting conditions of peripheral equipment are determined using the comparison / calculation function of the computer.

(5) Device setting condition display (105)
The setting conditions of the rotary crushing and mixing apparatus and peripheral equipment determined in the step (4) are displayed on a monitor screen of a computer or the like so that an operator or a manager can visually grasp.

(6) Device operation (106)
The plant is operated based on the setting conditions of the rotary crushing and mixing apparatus and peripheral equipment determined in the step (4).

(7) Operation situation measurement (107)
With regard to the operating condition, the operating condition can be grasped in real time by directly sending data from sensors or monitoring devices installed at various places of the rotary crushing and mixing apparatus to the management system.
Information can also be obtained in real time by using a weighing conveyor or the like for transporting soil and sand for peripheral equipment.

(8) Operation status display (108)
The operating conditions of the rotary crushing and mixing apparatus and the entire plant are displayed on a monitor screen such as a computer.
For example, as shown in FIG. 6 described above, it is possible to use one in which the driving situation can be viewed on the screen of the management system.
The device setting condition display in the step (5) can be displayed on the same monitor by switching the screen.

(9) Quality measurement of improved soil (109)
The manufactured improved soil is tested for strength, particle size, moisture content and other properties used as information on the target quality to confirm whether the manufactured improved soil achieves the target quality.

(10) Comparison with target quality (110)
If the quality of the improved soil measured in the step of (9) meets the target quality, it is possible to go to the step of (12) and continue the operation.
If the quality of the improved soil measured in step (9) does not meet the target quality, go to step (11).

(11) Correction of device setting conditions (111)
If it is determined in step (10) that the quality of the improved soil does not meet the target quality, the condition for correcting the setting condition is determined from the difference with the target quality, and the process returns to step (4) .

(12) Operation continuation (112)
If it is determined in step (10) that the quality of the remediation soil satisfies the target quality, the operation of the plant can be continued, and if the predetermined throughput is achieved, the operation is ended.

Note that the above flow is a simplification of the steps for the sake of explanation, and in practice, finer control can be performed.

R, R1, R2, R3 ... Raw material soil,
T: Improved soil,
DESCRIPTION OF SYMBOLS 1 ... rotary crushing and mixing apparatus, 2 ... container, 2a ... upper cylinder, 2b ... lower cylinder, 2c ... intermediate cylinder, 2d ... flange, 3 ... insertion port, 3a ... adhesion prevention polymer board, 4 ... taking Outlet, 4a: adhesion preventing polymer plate, 5: rotating shaft, 6: impact member, 6a: metal chain, 6b: steel thick plate, 6c: metal blade, 6d: metal wire, 6e: washer, 7: support Frame, 8a, 8b ... bearing, 9 ... scraper,
11 motor 12 driving pulley 13 belt 14 driven pulley 15 intermediate cylinder

rotating motor

16a, 16b intermediate cylinder rotation supporting bearing
21a, 21b: flange, 22: lock pin,
31 ... backhoe, 32 ... sediment hopper, 33 ... sediment feeder, 34 ... weighing conveyor, 35 ... feeding conveyor, 36 ... ejection conveyor, 37 ... additive storage silo, 38 ... additive feeder

Claims

A cylindrical container for charging the raw material soil and an additive as a soil conditioner added as needed into the interior for crushing and mixing; an inlet for charging the raw material soil into the container; An outlet for taking out the modified soil produced by crushing and mixing the raw material soil in a container;
A vertical rotation axis provided at the center of the cylindrical container;
A plurality of band-like impact addition members mounted on the rotating shaft in one or more stages, centrifugally rotating within the container by rotation of the rotating shaft, and crushing and mixing the raw material soil;
An improved soil production control system using a rotary crushing and mixing apparatus equipped with
Improved soil information input means for inputting information on the target quality of the improved soil;
Raw material soil information input means for inputting information on the raw material soil;
Setting storage means for storing data or a relational expression concerning the relationship between the setting condition of the rotary crushing and mixing apparatus suitable for realizing the target quality of the improved soil and the information on the raw material soil;
Based on the information input to the improved soil information input means and the information input to the raw material soil information input means, the rotary crushing is performed using existing data or a relational expression stored in the setting storage means Setting condition determining means for comparing or calculating the setting conditions of the mixing apparatus to determine the condition;
Equipped with
The information on the target quality of the improved soil includes at least two or more of the information on the application or strength of the improved soil, the information on the particle size of the improved soil, the information on the moisture ratio of the improved soil, and the information on the properties of the improved soil. ,
The information on the raw material soil includes at least two or more of information on the type of raw material soil, information on the particle size of the raw material soil, information on the water content ratio of the raw material soil, and information on the properties of the raw material soil,
The setting conditions of the rotary crushing and mixing apparatus include the number of rotations of the rotary shaft, the form or specification of the band-like impact addition member, the position or number of the band-like impact addition members, and the throughput or operation of the rotary crushing and mixing apparatus Including at least two or more of the time-related conditions,
An improved soil production control system using a rotary crushing and mixing apparatus characterized in that.
In the production control system for improved soil using the rotary crushing and mixing apparatus according to claim 1, further comprising display means for displaying the setting conditions of the rotary crushing and mixing apparatus determined by the setting condition determining means. An improved soil production control system using a rotary crushing and mixing apparatus characterized by
In the improved soil production control system using the rotary crushing and mixing apparatus according to claim 1, further, an improved soil measurement quality information input for inputting information on the measurement quality of the improved soil discharged from the rotary crushing and mixing apparatus Rotary type characterized by comprising feedback means for correcting the setting conditions of the rotary crushing and mixing apparatus by comparing the means, the information of the measured quality of the improved soil inputted, and the target quality of the improved soil Improved soil production management system using crushing and mixing equipment.
A cylindrical container for charging the raw material soil and an additive as a soil conditioner added as needed into the interior for crushing and mixing; an inlet for charging the raw material soil into the container; An outlet for taking out the modified soil produced by crushing and mixing the raw material soil in a container;
A vertical rotation axis provided at the center of the cylindrical container;
A plurality of band-shaped impact addition members attached to the rotating shaft in one or a plurality of stages, centrifugally rotating within the container by rotation of the rotating shaft, and crushing and mixing the raw material soil and the additive;
A method of producing improved soil using a rotary crushing and mixing apparatus equipped with
The rotary crushing and mixing apparatus
Improved soil information input means for inputting information on the target quality of the improved soil;
Raw material soil information input means for inputting information on the raw material soil;
Setting storage means for storing existing data or a relational expression concerning the relationship between the setting condition of the rotary crushing and mixing apparatus suitable for realizing the target quality of the improved soil and the information on the raw material soil;
Based on the information input to the improved soil information input means and the information input to the raw material soil information input means, the rotary crushing is performed using existing data or a relational expression stored in the setting storage means Setting condition determining means for comparing or calculating the setting conditions of the mixing apparatus to determine the condition;
And a manufacturing control system with
Inputting at least two or more of information on use or strength of the improved soil, information on particle size of the improved soil, information on moisture ratio of the improved soil, and information on properties of the improved soil by the improved soil information input means When,
Inputting at least two or more of the information on the type of the raw material soil, the information on the particle size of the raw material soil, the information on the moisture ratio of the raw material soil, and the information on the properties of the raw material soil by the raw material soil information input means;
Based on the information input by the improved soil information input means and the raw material soil information input means, the setting conditions of the rotary crushing and crushing apparatus are compared or calculated using data or a relational expression stored in the setting storage means. Step to determine
Operating the rotary crushing and mixing apparatus on the basis of the setting conditions of the rotary crushing and crushing apparatus determined by the setting condition determining means;
A method of producing improved soil using a rotary crushing and mixing apparatus, comprising: