WO1984003063A1 - Procede et appareil de production de composites hydrauliques inorganiques en utilisant une substance poreuse en tant qu'agregat ou renforcement - Google Patents

Procede et appareil de production de composites hydrauliques inorganiques en utilisant une substance poreuse en tant qu'agregat ou renforcement Download PDF

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Publication number
WO1984003063A1
WO1984003063A1 PCT/JP1984/000032 JP8400032W WO8403063A1 WO 1984003063 A1 WO1984003063 A1 WO 1984003063A1 JP 8400032 W JP8400032 W JP 8400032W WO 8403063 A1 WO8403063 A1 WO 8403063A1
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WO
WIPO (PCT)
Prior art keywords
container
hydraulic inorganic
raw material
porous substance
material containing
Prior art date
Application number
PCT/JP1984/000032
Other languages
English (en)
Japanese (ja)
Inventor
Kohji Mitsuo
Norio Ohtsubo
Mitsuko Mitsuo
Yasuko Hinoue
Original Assignee
Mitsuo Sohgoh Kenkyusho Kk
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsuo Sohgoh Kenkyusho Kk filed Critical Mitsuo Sohgoh Kenkyusho Kk
Priority to AU24916/84A priority Critical patent/AU2491684A/en
Publication of WO1984003063A1 publication Critical patent/WO1984003063A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/46—Arrangements for applying super- or sub-atmospheric pressure during mixing; Arrangements for cooling or heating during mixing, e.g. by introducing vapour
    • B28C5/462—Mixing at sub- or super-atmospheric pressure
    • B28C5/464—Mixing at sub- or super-atmospheric pressure at sub-atmospheric pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
    • B01F31/29—Mixing by periodically deforming flexible tubular members through which the material is flowing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
    • B01F31/55—Mixers with shaking, oscillating, or vibrating mechanisms the materials to be mixed being contained in a flexible bag submitted to periodical deformation

Definitions

  • This invention is a method for producing a hydraulic inorganic composite, in which a hydraulic inorganic curing material is pressed into the pores of a fibrous, granular, flaky, lumpy, or other porous substance, and an apparatus for producing the same.
  • a hydraulic inorganic curing material containing a porous substance under reduced pressure, subsequently, restoring the pressure to substantially normal pressure, continuously kneading, and then removing and curing.
  • the present invention relates to a method and an apparatus for manufacturing a hydraulic inorganic composite.
  • hydroaulic inorganic composite refers to cement-based, slag-based, and silica-ash-based hydraulic inorganic-based curing raw materials.
  • the conventionally used concrete or motor is simply a mixture of cement, water and aggregate, and then cured.
  • a method of kneading a concrete raw material under reduced pressure in an effort to obtain a concrete excellent in compressive strength and suitable for processing is known. That is, the concrete
  • Fig. 1 is a side view of one example of a manufacturing apparatus for hydraulic inorganic composites
  • Fig. 2 is a view seen from above
  • Fig. 3 is a sectional view of the opening / closing part
  • Figs. 4 to 11 are composites. Schematic diagram showing eight examples of body manufacturing equipment
  • RNA 1 Figures 12 and 13 are schematic diagrams showing one example of the method for producing hydraulic inorganic composites, and Figures 14 and 15 also show one example of the method for producing hydraulic inorganic composites.
  • Schematic diagram, Figure 16 is a schematic diagram showing another example of the method for producing hydraulic inorganic composites
  • Figures 17 and 18 are schematic side views of two examples of hydraulic inorganic composite production equipment.
  • Fig. 19 is a schematic side view of one example of a manufacturing apparatus for hydraulic inorganic composites
  • Fig. 20 is a schematic front view of the same
  • Fig. 21 is a schematic view of a manufacturing apparatus for hydraulic inorganic composites.
  • Schematic front view Figure 22 shows a part of the container shown in Figure 18, Figure 23 shows a schematic view of one example of a hydraulic inorganic composite manufacturing apparatus,
  • Figures 24 and 25 show two examples of the discharging device
  • Figures 26 to 30 show the operation sequence of one example of the discharging device
  • figures 31 to 34 also show the discharging device. Diagram showing the operating sequence of one example
  • Figure 35 and Figure 36 are schematic diagrams showing two examples of hydraulic inorganic composite manufacturing equipment
  • Figure 37 is a figure for explaining one example of a fluid pump
  • Figure 38 is ⁇
  • Fig. 42 is a diagram for explaining 5 examples of the method for producing a hydraulic inorganic composite
  • Figs. 43 and 4 are an explanation for 2 examples of the method for producing a foamed hydraulic inorganic composite
  • Fig. 45 and Fig. 45 are diagrams for explaining one example of the method for producing a hydraulic inorganic composite.
  • Figures 1 and 2 show one example of a composite manufacturing device, where 1 is a mainframe and the mainframe 1 is connected by a cylinder 2.
  • a mixer frame 3 is rotatably provided.
  • the mixer shaft 5 protruding from the mixing drum 4 is supported by a bearing (not shown) of the mixer frame 3 and fixed to the mixing drum 4.
  • the pinion 8 mounted on the rotary shaft (not shown) of the motor is engaged, and the mixing drum 4 is rotated by the rotation of the prime mover 7.
  • the base arm 9 is fixed to one side of the mixer frame 3, and the end arm 1 is attached to the tip of the base arm 9 by the cylinder 10. 1 is rotatably pivoted, and is attached to the end of the end arm 1 1 through a swivel 12 force swivel bracket 13.
  • the sino-belt 1 2 has a baling 15 fitted inside the s- ive-lens 14 as shown in Fig. 3.
  • the hollow shaft 16 is rotatably mounted through the hollow shaft 16 and the hollow shaft 16 is closed on one side by the plug 17 and the other shaft L is integrated with the hollow shaft 16. It penetrates through the closed lid 18 and communicates with the inside of the mixing drum 4.
  • a hole is provided in the middle of the hollow shaft 16 so that it communicates with the suction port 19 provided on the svelcase 14 and between the svenor case 14 and the hollow shaft 16.
  • Rule 20 is provided.
  • the lid 1 8 is attached to the cylinder 1 0. It is detachably attached to the opening of the mixing drum 4 via the locking 21 and the bearing cover 2 2 and the retaining ring 23 are bearings. In addition to fixing 1 5, it also prevents the dropouts of the super case 1 4 and hollow shaft 1 6.
  • the above example is a composite using a rotating drum mixer.
  • the other concrete mixers are made of raw concrete using blast furnace slag as aggregate.
  • Into the mixing drum 4 of the manufacturing equipment A rotate the mixing drum 4 and vacuum-suck while kneading, repressurize, and then continue kneading. It is not so good that it can be taken out and cured.
  • the recompression pressure may be during the rotation of the mixing drum, at the same time as the rotation is stopped, or after the rotation is stopped. It is preferable to degas the blast furnace slag evenly by vacuum suction.
  • blast furnace slag was used as the porous material and cement and water were used as the curing raw materials.However, various materials were used for the porous material and the curing raw material, as described below.
  • the curing raw material is not only one agent but also multiple agents in many cases. Therefore, the blast furnace slag and the like are simply porous materials, the cement and water are curing materials, and the materials that constitute the curing material, such as cement.
  • a curing raw material containing a porous substance is a composite raw material, and the cured material is abbreviated as a composite.
  • Figures 4 to 11 show eight examples of composite manufacturing equipment consisting of an upper container 25 and a lower container 26 via a gate 24 that can be opened and closed.
  • the decompression pipe is provided in communication with the upper container 25, the decompression pipe 28 is provided in communication with the lower container 26, and both decompression pipes 2 7 and 2 8 are shown.
  • 2 9 is lower Diffusion plate provided at the bottom of the gate 2 4 of the vessel 26, 30 is an agitator provided in the upper container 25, 31 is an agitator provided in the lower container 26, 3 2 is A motor for driving and rotating the stirrers 3 0 and 3 1, 3 3 3 is a composite raw material, 3 4 is an introduction hole provided in the upper container 25, 3 5 is an outlet of the lower container 26, and O 0
  • FIGS. 4 to 6 A method of manufacturing a composite using the composite manufacturing apparatus B shown in FIGS. 4 to 6 will be described.
  • the gate 2 4 and the outlet 35 are closed, the vacuum suction device is activated, and the lower container 26 is evacuated through the pressure reducing tube 28. Reduce the pressure by pressing, open the lid of the upper container 25, put the composite raw material 33 in the upper container 25 to fill it, and close the lid tightly.
  • the composite raw material 33 drops into the lower container 26 due to the pressure difference and its own weight.
  • the composite raw material contained in the composite raw material 3 3 is pressed into the pores of the degassed porous substance existing in the curing raw material. ..
  • the discharge port 35 is opened here, the composite raw material 33 is taken out, and after kneading this with an appropriate mixer, it is placed in a mold and cured to obtain a composite.
  • the composite raw material is kneaded under reduced pressure to degas the porous material evenly, and the composite raw material 3 3 in the upper container 2 5 is depressurized in the lower container. While the porous material is allowed to fall into the inside of the chamber 26, the porous substance is degassed evenly, and the volume of the lower container 26 is larger than that of the upper container 25, and the volume of the lower container 26 is smaller.
  • the height of container 2 6 is large
  • the composite raw material 33 was not filled in the upper container 25, but was left in a space and dropped into the lower container 26. Good too. At this time, the pressure difference between the upper container 25 and the lower container 26 becomes large, and the composite raw material 3 3 falls vigorously into the lower container 2 6 and the composite raw material 3 3 easily disperses when falling. It is easy to uniformly degas porous materials, but since the degree of vacuum is low, it is necessary to make the lower container 26 larger than the upper container or to lower it.
  • the vacuum degree of 26 be higher than that of the upper container.
  • Producing apparatus B of the complex is shown in Figure 4 ⁇ Figure 6 is Ni would Yo manufacturing apparatus B t of the complex shown in FIG. 7, the lid of the upper container 2 5 and fixed, taken An introduction hole 34 and a pressure reducing pipe 27 for putting the composite raw material may be provided in.
  • this device B the composite raw material 3 3 is put into the upper container 25 from the introduction hole 3 4 to shut off and seal it, and the upper container 25 and the lower container are connected via the pressure reducing pipes 27 and 28.
  • the vacuum degree in the lower container 26 is set higher than that in the upper container 25, the composite raw material 33 drops due to the pressure difference and its own weight, and when the vacuum degree is the same. Is a composite raw material
  • Fig. 8 shows the umbrella-shaped diffuser plate 29 without a handle, which is located below the gate 2 4 in the lower container 26 of the composite manufacturing apparatus B described in Figs. 4 to 6.
  • a composite manufacturing apparatus B 2 is shown, and a composite is manufactured in the same manner as described above, but when the gate 2 4 is opened and the composite raw material in the upper container 25 is dropped, the composite raw material is a diffusion plate 2 It is easy for the porous material to be degassed while being dispersed by the 9 while falling into the lower container 26.When the composite material falls When the diffuser plate 29 is rotated by an appropriate means Dispersion fall of is more effective. It should be noted that a diffuser such as a grating may be used instead of the diffuser plate 29.
  • Figure 9 is shows a manufacturing device B 2 of the complex in which a stirring odor 3 1 to the lower container 2 in 6 of the manufacturing apparatus B complexes described in Figure 4- Figure 6, the mixing tool 3 1 Since it is provided, the bottom of the lower container 26 is formed horizontally.
  • the manufacturing method of the composite is the same as the manufacturing equipment of the composite shown in Figs. 4 to 6 and Fig. 8, and the gate 2 4 and the outlet 35 are closed, and the inside of the lower container 26 is reduced.
  • the composite raw material that dropped into the lower container 26 was stirred with a stirrer 31 to restore the pressure, and then kneaded, and then the discharge port 35 was opened and the composite raw material was opened. It goes out and cures this.
  • the recompression pressure may be during stirring, at the same time as stopping stirring, or at any time after stopping stirring.
  • This device When using, close the outlet 35 and the gate 24, put the composite raw materials or materials (for example, cement water, blast furnace slag, etc.) in the upper container 25, and Open to drop the composite raw material or material into the lower container 26, close the gate 2 4 to seal the lower container 26, operate the motor 3 2 and rotate the stirrer 31.
  • the composite raw material or the material is stirred and kneaded, and the inside of the lower container 26 is depressurized through the pressure reducing pipe 28, the pressure is restored, and the kneading is continued. It may be taken out and cured.
  • the upper container was used as a meter or hopper.
  • FIG. 10 shows a composite structure in which an openable / closable gate 2 4 is provided between an upper container 25 equipped with a stirrer 30 and a pressure reducing pipe 27, and a lower container 2 6 equipped with a pressure reducing pipe 28.
  • Body manufacturing device B 4 is shown, and when using this device to assemble the composite, the composite raw material is put into the upper container 2 5 through the introduction hole (not shown), and the upper container 2 5'is hermetically sealed and the pressure reducing pipe 2 7 via the upper container
  • the lower container 25 may be dropped, the composite raw material may be taken out by recompressing the lower container 25, kneaded with an appropriate mixer, and then cured. It is also possible to put the material in the upper container 25 instead of the composite raw material, stir and knead it with the stirrer 30 to obtain the composite raw material, and perform the above steps to take out the composite raw material and cure it.
  • the upper container may or may not be closed when kneading the ingredients. Ie upper container
  • stirrer 30 If a stirrer 30 is installed in 25, it is possible to put materials such as cement, water, and blast furnace slag into the upper container 25 and stir and knead to combine the composite raw materials. If it is possible to hermetically decompress the inside of 2 5 and stir the mixed raw material, then re-pressurize it and drop it into the lower container 26, the stirrer 30 is used only for the production of the mixed raw material. It is also possible to decompress the lower container 26 and then drop the composite raw material into it to restore the pressure. At this time, the introduction hole may be blocked or opened 0
  • Figure 11 shows the open / close gate 2 4 between the decompression pipe 27 and the upper container 25 equipped with the stirrer 30 and the lower container 2 6 equipped with the decompression pipe 28 and the stirrer 3 1.
  • FIGS. 12 and 13 show a deformable rubber valley 3 ⁇ 4 ⁇ 3 ⁇ having a pressure reducing pipe 38 connected to a vacuum suction device (not shown) and a linear pressing tool for reciprocating movement.
  • An example of an apparatus for producing a composite body formed by 3 9 is shown.
  • When connecting a composite body by this equipment first put the material in the container 3 6 and put the lid on. And then seal it, and reciprocally move the pressing tool 39.
  • Valley I? The material inside was kneaded by kneading through 3 6 and the material 4 1 became a composite material, that is, after the material 4 1 was kneaded well, the inside of the container 3 6 was put through the decompression pipe 3 8.
  • the pressure in the container 36 was restored, and the kneading and kneading were continued.
  • the reciprocating motion of the pressing tool 39 was stopped and the lid was opened to open the internal composite Then, the composite is taken out and cured to form a composite.
  • Fig. 12 and Fig. 13 it is more effective for the horizontal pressing tool and the vertical pressing tool to perform the kneading effectively. It can be carried out.
  • the pressing device 42 is moved circularly about the base 4 3.
  • the material 41 may be kneaded through the container 36 by the circular motion of the pressing tool 42 or the composite raw material under reduced pressure may be stirred.
  • Figures 14 and 15 show a manufacturing apparatus for a composite in which a bag 40 is provided on the side wall and the bottom of a container 37 having a decompression pipe 38 connected to a vacuum suction device (not shown). C, is shown, and by alternately expanding and constricting the side wall bag 40 and the bottom bag 40, the material 41, which is placed in the container 37 and sealed, is kneaded. Depressurize the inside of the container 37 when 4 1 is kneaded, re-pressurize when the porous material is thoroughly degassed, and continue kneading, then stop the expansion and constriction operation of the bag 40. The composite raw material in container 37 is taken out and cured.
  • the expansion and constriction operation of the bag 40 is performed by using a hydraulic cylinder or a pneumatic cylinder to move water and air in and out.
  • a deformable container 36 as shown in Fig. 12 put a deformable container 36 as shown in Fig. 12 in the container 37, insert a bag 40 between the container 36 and the container 37, and insert the bag 40 into the container 40.
  • the material 41 may be kneaded through the container 36 by the expansion and constriction operation, or the composite raw material under reduced pressure may be agitated.
  • FIG. 17 shows a complex manufacturing apparatus D composed of pedestals 4 4 on both sides and a container 4 6 reciprocally mounted between them.
  • a decompression pipe 4 7 connected to a vacuum suction device (not shown) is provided, and the reciprocating shafts 4 8 fixed on both sides are inserted into the oblique holes 4 5 of the frame 4 4 and
  • the container 4 6 is configured to reciprocate by sliding on it.
  • the linear reciprocating motion of the container 46 may be horizontal reciprocating motion or vertical reciprocating motion.
  • the reciprocating motion may be an oscillating reciprocating motion as in the composite manufacturing apparatus shown in Fig. 18 and the composite device shown in Fig. 19 and Fig. 20 may be used. It may be a circular reciprocating motion like the manufacturing device D 2 of.
  • OMPI At one time, only one pressure reducing pipe 52 is required. Further, as shown in Fig. 22 2, if a baffle plate 5 3 is provided in the container 49, the swing of the container 49 can be increased. 5 4 is a lid provided on the introduction hole, 5 5 is a lid provided on the outlet, 4 1 is a material, and 5 2 is a pressure reducing pipe.
  • the composite manufacturing apparatus D 2 shown in Figs. 19 and 20 was constructed such that the container 5 7 was circularly reciprocated between the pedestals 5 6 and 5 6 on both sides. Therefore, the rotating shaft 5 9 is rotatably supported on the frame 5 6, and the projecting sled 5 8 of the container 5 7 is rotatably supported on the rotating plate 6 0 fixed to the rotating shaft 5 9.
  • the motor (not shown) is operated to rotate the rotary shaft 59, the rotary plate 60 rotates, and the container 57 rotates in a circular motion. It is being touched. That is, the material is placed in a container 5 7 and sealed, and the container 5 7 is circularly reciprocated to knead, and after the composite raw materials are connected, a vacuum suction device (not shown) is operated to reduce the pressure. Depressurize the inside of the container 57 via 1 and re-pressurize it when the porous material is degassed evenly, and continue to knead, then stop the circular reciprocating motion of the container 57 to stop the composite raw material. Then, the composite is taken out and cured to form a composite.
  • Fig. 21 shows the case where a container 6 3 is installed between the pedestals 6 2 and 6 2 on both sides so that it can be reciprocated by changing its mounting-shafts 6 4 and 6 4, and Fig. 17 It can be applied to composite manufacturing equipment.
  • Fig. 23 shows one example of a composite manufacturing device in which a discontinuous mixer 65 and an ejector 6 6 are combined, and 6 7 is a continuous mixer.
  • a prime mover driving 6 5, 6 8 is a vacuum suction device for reducing the pressure in the continuous mixer 65, 6 9 is a vacuum tank for reducing the fluctuation of atmospheric pressure, 7 0 is a gauge, and 7 1 is 7 1.
  • Hon, which contains the porous material. 1 and 7 2 are connected to the hopper 7 3 of the rotary feeder 1 7 4 provided on the continuous mixer 6 5 and the One is a pellet feeder that conveys the porous material inside one, one is a speed controller that controls the speed of the pellet feeder 7 2, and 7 6 is a belt feeder.
  • Belt scale provided on 7 2
  • 7 7 is a curing raw material storage tank equipped with an agitator 7 8 and 7 9 is a continuous mixer 6 through which the curing raw material in the storage tank 7 7 is fed through the base of the rotary feeder 1 7 4.
  • 5 is a variable-capacity pump installed on the transfer pipe 80
  • 8 1 is a variable-capacity pump on the transfer pipe 80.
  • Flow meter installed between 9 and continuous mixer 65, 8 2 is a ratio controller connected to flow meter 8 1 and belt scale 7 6, 8 3 is a discharge device 6
  • Three sets of valves installed in series with 6 and 8 4 are hoppers for storing the composite raw materials discharged from the discharge device 6 6.
  • the multi-purpose cart in the hopper 71 is the belt feeder 1 7 2 and the rotor feeder 1 7 4 is the hopper that is the docking point. It is transported to 7 3, but at this time, the speed of the belt feeder 7 2 can be adjusted by the speed controller 7 5 and an arbitrary amount can be supplied. .. Mat porous material
  • the ratio of the curing raw material to the quality is set in advance in the ratio controller 82, it will be detected by the belt scale 7 6 provided in the pelt feeder 1 7 2.
  • the variable capacity pump 7 9 is controlled so that the amount of the curing raw material detected by the flow meter 81 becomes a preset ratio with respect to the amount of the porous material.
  • the ratio of the curing raw material (cement paste in the example) and the porous material (blast furnace slag in the example) is set in the ratio controller 82, and the rate controller 75 is used to set the percentage of the pellet.
  • the speed of the loader 7 2 is controlled, and the curing raw material, which is bound by a mixer (not shown), is put into the storage tank 7 7 and stirred by the stirrer 7 8 while the variable capacity type pouring is performed.
  • the pump 7 9, belt feeder 7 2, rotary feeder 1 7 4, continuous mixer 6 5 and vacuum suction device 6 8 are activated, a prescribed amount of curing is achieved.
  • the raw material and the porous material are continuously supplied into the continuous mixer 65, and are kneaded in the continuous mixer 65 under reduced pressure to be a composite raw material, and then from the upper outlet.
  • a negative pressure is applied to the pile, and it falls into the discharge device 6 6 due to its own weight, and is discharged to the hopper 1 8 4 by the operation of the three sets of valves 8 3 and is recompressed.
  • the discharge device 6 6 is composed of a pressure receiving plate 6 6 a and three sets of valves 8 3 and the valve 8 3 is composed of a bag 8 3 a and a cylinder 8 3 b. It is configured and each bag 8 3 a is in communication. If only the piston rod of the upper cylinder is retracted as shown in the figure above, the composite raw material connected by the continuous mixer 65 will fill the upper bag. Next, retract the intermediate cylinder's steel rod and
  • FIGs 26 to 30 show the operating sequence of the ejector cylinders consisting of the pressure plate 6 6a, one flexible tube 8 3'a and 3 cylinders. , 8 3 c is the cylinder's best rod. That is, three sets of valves are formed by the pressure receiving plate, the flexible pipe, and the three cylinders.
  • One flexible tube was used in place of the three bags of the discharge device in Fig. 23, and since the discharge principle is the same, the cylinder of this discharge device is The operating sequence is used for the ejector of Figure 23 and the operating sequence of the cylinder of Figure 23 is used for the ejector.
  • the discharge device described above uses three sets of valves, but as shown in Figs. 31 to 34, the discharge device using two sets of valves is a continuous mixer. It is possible to discharge complex material without hindering the depressurized state inside the mixer 65. Since this ejector is merely the one with the middle cylinder of the ejector shown in Fig. 26 to Fig. 30 removed, the detailed structure is omitted.
  • Tongue 8 3 c is advanced, lower piston rod 8 3 c is retracted as shown in Figure 34, and then as shown in Figure 31. Then, the lower booth rod 8 3 c is moved forward, and this operation is repeated in sequence to intermittently discharge the composite raw material squeezed in the continuous mixer 65.
  • vibration can be applied to the pressure plate or flexible pipe.
  • Fig. 24 shows another ejector, which is a continuous mixer 65.
  • An upper container 8 5 and a lower container 8 6 communicating with the upper container 8 5 are provided at the discharge port.
  • the lower container 8 6 is connected to a vacuum suction device 68 via a vacuum valve 8 8 and is connected to the upper and lower parts.
  • the composite raw material accumulates in the upper valley 3 ⁇ 4 ⁇ 8 5 when the mixer 65 is operated.
  • the inside of the bottom container 8 6 is also at the same atmospheric pressure as the inside of the continuous mixer 6 5, so the top volume F 8
  • opening the upper valve 8 7 moves the composite material in the upper container 8 5 into the lower container 8 6.
  • the composite raw material is discharged from the lower container 8 6 and the composite raw material is collected in the upper container 8 5. .. This operation is repeated to intermittently discharge the composite raw material.
  • the figure shows an example of another discharge device, which shows a continuous mixer.
  • a downward pipe 8 9 provided in communication with the discharge port of 6 5 has a level detector (not shown) or a weight measuring device (not shown) and an openable gate 90 at the lower end. It has been done.
  • F is the force to push up the composite raw material in the downward pipe 8 9 and P is the atmospheric pressure.
  • P is the atmospheric pressure.
  • the formula F ( P.Pt ) A holds, and the composite in the downward pipe 89 is Raw material height h, weight
  • the continuous production apparatus for composites has been described above, but the composite material discharged from the discharge device to the hopper 84 is kneaded again, taken out, and cured to obtain a composite.
  • the carrier pipe 80 is connected to a water source or a curing raw material tank (not shown) (instead of the storage tank 77). ) And a belt feeder 1 7 2 provided with a hopper 7 1 and a belt scale 7 6 are provided, and a plurality of materials for the porous material are rotatably fed. It may be supplied to the hopper 7 3 of the feeder 7 4. Immediately, water may be supplied to the continuous mixer 65 through the discharge pipe 80, and porous material, cement, or sand may be supplied from a plurality of belt feeders. In addition, a rotary feeder may be used instead of the discharge device 66, and a rotary feeder may be used instead of the rotary feeder.
  • the composite raw material may be supplied to the continuous mixer 65 to prevent degassing of the porous material, and then discharged from the discharge device to restore the pressure.
  • a diaphragm or a pinch valve is suitable for the par 8 3 and 8 7.
  • Figure 35 shows one example of continuous production equipment for composites, and 91 is
  • OMPI 2 is a supply pipe
  • 9 3 is a diffusion plate
  • 9 4 is a discharge pipe
  • 9 5 is a decompression pipe connected to a vacuum suction device (not shown)
  • 9 6 is a pressure pipe connected to a compressor (not shown), 9 7 is provided in the container 9 1.
  • the agitator 9 6 is a motor for rotating the agitator 9 7.
  • the supply pipe 9 2, the discharge pipe 9 4, and the pressurizing pipe 9 6 are closed, the vacuum suction device is operated to reduce the pressure of the container 9 1 via the decompressing pipe 9 5, and then the supply pipe 9 2
  • the composite raw material is dispersed by the diffusion plate 9 3 provided at the lower part of the supply pipe 9 2 and drops into the container 9 1.
  • the supply pipe 9 2 and the decompression pipe 9 5 are closed, and the discharge pipe 9 4 and the pressurization pipe 9 6 are opened.
  • the composite raw material in the container 9 1 is discharged from the discharge pipe 9 4.
  • stop the operation of the compressor close the pressure pipe 9 6 and the discharge pipe 9 4, and open the decompression pipe 9 5 to activate the vacuum suction device, so that the pressure inside the container 9 1 is reduced.
  • the composite raw material is intermittently discharged from the discharge pipe 94, and it is cured to connect the composite. It may be replaced with another disperser. May this and not even among cormorants Yes you are stirring in the stirring device 9 7 the complex raw materials of under reduced pressure.
  • the supply pipe 92 may be provided with a mouth tally feeder, the above-mentioned discharge device, etc., and may be automatically controlled to supply the composite raw material quantitatively.
  • Fig. 36 shows an example of a discontinuous manufacturing device for composites
  • 9 9 indicates The cylinder
  • 1 0 0 is the cylinder 9 9 piston
  • 1 0 1 is the cylinder wall
  • the bottom of the cylinder wall 1 0 1 is below it.
  • a hole 10 2 communicating with the integrally formed container 10 3 is provided, and the hole 10 2 is provided with a filter.
  • the container 103 is provided with a supply pipe 1104, a discharge pipe 105, a pressure reducing pipe 106, and a pressurizing pipe 107. That is, a cylinder 999 was added to the continuous production system for composites shown in Fig. 35, and the method for producing composites is the same as that explained in Fig. 35.
  • Figure 37 shows a fluid pump ⁇ which can also be used in place of the other rotary feeders 74 that can be used in the discharge device.
  • 1 0 8 connects both ends of the semicircular type.
  • a substantially semicircular casing with a cross-sectional shape extending in the line direction, 109 is a flexible tube arranged in a U shape along its inner surface, and 110 is a casing. It is an arm that rotates concentrically with the semi-circular portion of the casing 1 0 '8, and a lower arm of the same contour is provided below the arm 1 10 and the drive shaft 1 1 3 are inserted into the central bearing of the arm 1 10 and the central bearing of the lower arm, and the driven shafts 1 1 4 and 1 1 4'are the end bearings of the arm 1 1 0, respectively. It is fitted to the end bearing of the lower arm.
  • the drive shaft 1 1 3 has drive shaft sprockets 1 15 attached to the upper and lower parts, respectively, and the upper drive shaft sprockets 1 1 5 and the driven shaft 1 1 5
  • a chain 1 1 6 is wound between a driven shaft sprocket 1 1 1 fixed to the upper part of 4 and a lower drive shaft sp ⁇ 1 1 5 and driven shaft 114 lower part.
  • a chain 1 1 6 ′ is wound between the driven shaft sprocket 1 1 1 ′ fixed to the drive shaft 113, and when the drive shaft 113 is rotated in the direction of the arrow by the power, the driven shaft 1 1 1 1 ′ is rotated.
  • the continuous mixer 65 shown in Fig. 23 can be installed and used in place of the discharge device 66, and the material supplied to the continuous mixer 65 is a composite raw material. In the case of a liquid such as the above, it can be used in place of the mouthpiece feeder 1 74.
  • a fluid pump that conveys fluid in a flexible tube while L is also known, and the fluid pump including the fluid pump E described above is collectively referred to as F.
  • F the fluid pump including the fluid pump E described above is collectively referred to as F.
  • 1 1 7 is a storage tank for temporarily storing the composite raw material 1 3 0, which is connected by the continuous mixer 1 1 8 etc.
  • 1 1 9 is a supply pipe for supplying composite raw material from a storage tank 1 17 to a container 1 2 0 or a continuous mixer 1 2
  • 1 2 2 is a container 1 2 0 or a continuous mixer.
  • Vacuum suction device installed in 1 2 1 via decompression pipe 1 2 3
  • 1 2 4 is gas-liquid separator installed in decompression pipe 1 2
  • 1 2 5 is container 1 2 0 or continuous
  • the discharge pipe for discharging the composite raw material from the mixer 1 2 1, F is installed in the supply pipe 1 1 9 and the discharge pipe 1 2 5.
  • O PI _ It is a pump for fluids, and flexible pipes on both sides of the pump are attached to the flood picture tube 1 19 and the discharge tube 1 2 5.
  • 126 is a rotary diffuser plate provided in the container 120 shown in Fig. 39-1 2 7 is an agitator provided in the container 120 shown in 40-1 2 8 is a rotary type A diffuser 1 2 6, a stirrer 1 2 7 and a prime mover for driving the warped continuous mixers 1 1 8 and 1 2 1 respectively
  • 1 2 9 is a supply pipe 13 inside the continuous mixer 1 1 8 in Fig. 42.
  • the material supplied through 1 and 1 3 2 are discharge pipes for discharging the composite raw material 1 3 0 mixed and kneaded by the continuous mixer 1 1 8 to the storage tank 11 1 ⁇ .
  • all of the composite manufacturing devices shown in Figs. 38 to 42 store the composite raw material 130 made by kneading a plurality of materials with a continuous mixer 118 or the like.
  • the fluid pump of the supply pipe 1 1 9 is temporarily stored in 1 1 7 and is stored in a container 1 2 0 or a continuous mixer 1 2 1 whose pressure is reduced by a vacuum suction device 1 2 2. While it is continuously supplied via F, it is discharged via the fluid pump F of the discharge pipe 1 2 5 and is recompressed and discharged to a hopper or the like not shown.
  • the recompressed composite raw material is kneaded with an appropriate mixer, taken out, and cured to obtain a composite.
  • the height of the container 120 is increased so that the composite raw material is uniformly depressurized when dropped. Therefore, in the device shown in Fig. 39, the depressurizing effect due to the dispersion of the composite raw materials is taken into consideration by using the rotary diffuser plate 1 2 6 (either a fixed diffuser plate or a disperser may be used). ..
  • the composite raw material of Fig. 41 and Fig. 42 is stirred by a stirrer and the uniform decompression of the composite raw material is considered by utilizing the expansion of continuous mixer .1 21 under reduced pressure. It is being touched.
  • the mixer for supplying the composite raw material to the storage tank 1 17 by the above-mentioned manufacturing apparatus is not limited to the continuous mixer 1 18 shown in Fig. 42, but the storage tank 1 1 7 As long as the composite raw material is stored in the inside of the mixer, it may be a mixer that connects the composite raw material for each lot.
  • Figures 43 and 44 show two examples of production equipment for producing a foam-containing composite material by further entrapping the composite material 1300 produced as described above into a foam-containing composite material.
  • F is the fluid pump provided in the discharge pipe 1 2
  • 1 3 3 is a foaming machine
  • 1 3 4 is A foam supply pipe for supplying the foam made by the foaming machine 1 3 3 into the mixer 1 3
  • 1 3 6 is discharged from the discharge pipe 1 2 5 into the mixer 1 3 5.
  • 1 3 8 is a prime mover driving the stirring tool 1 3 6
  • 1 3 9 Is a discharge pipe that discharges the foam composite material that has been packed in the mixer 1 3 5;
  • 1 4 0 is a storage tank that temporarily stores the foam composite material 141 that is discharged from the discharge pipe 1 3 9;
  • 4 2 is a discharge pipe for discharging the foam composite material 1 41 in the Lizhong Kwa 1 4 0,
  • F is a fluid pump provided in the discharge pipe 1 4 2
  • 1 4 3 is a continuous mixer.
  • a foam composite material that is kneaded and mixed with foam, 1 4 7 is a foam composite material that is connected by a continuous mixer 1 4 1 It is a discharge pipe that discharges 45 o
  • a mixer for kneading the composite raw material after decompression is provided in the middle of the discharge pipe 1 25.
  • the mixer 1 3 3 mixes the composite raw material discharged from the discharge pipe 1 2 5 with the discharge pipe 1 3 9 closed and the foam created by the foaming machine 1 3 3. Mix the mixture in 5 to fill the foam composite raw material, open the discharge pipe 1 3 9 and discharge it to the storage tank 1 4 0.Continue from the discharge pipe 4 2 by operating the pump F for fluid.
  • the composite foam raw material is connected to each wire, so the supply of the composite raw material to the mill ⁇ 1135 is shown in Figs. 38 to 42. Instead of supplying from the device in the figure, it may be supplied from the device as described in FIGS. 1 to 36.
  • the device shown in Fig. 44 continuously feeds the composite raw materials continuously supplied from the discharge pipe 1 2 5 and the foam continuously supplied from the foaming machine 1 3 3 to the continuous mixer 1 4 4.
  • the mixture is kneaded to form a composite foam, and this is continuously discharged from the discharge pipe 1447.
  • the discharge amount of the pump F for fluid and the flow rate of bubbles detected at h m.st 1 4 3 are controlled by a controller (not shown) to connect the sapphire composite raw material with an arbitrary mixing ratio.
  • (1) 4 6 is a motor, it is a prime mover driving a continuous mixer-1 4 4 ⁇ 5>.
  • the material or composite raw material may be stirred under reduced pressure.
  • the composite raw material under reduced pressure may be recompressed while being stirred.
  • Porous materials include pearlite, glass foam granules, blast furnace slag, meteorites, man-made bean aggregate (mesalite, celite, etc.), porous slag, and carbon.
  • Silicon carbide, glass, alkalous glass, metal, silicon nitride, synthetic resin, etc. can be used, and 1 or 2 or more of the above porous materials can be used for composite materials. can do.
  • Fibers, pieces, grains, lumps, and other shapes can be used as the porous material, and one or more of the above porous materials can be used as the composite raw material. can do.
  • a hydraulic inorganic type (cement type, dregs type, and silica ash type) curing raw material can be used.
  • Drying, heating, steam curing, autoclave curing, etc. can be used to cure the composite raw material.
  • the internal pressure of the interior of the mixing chamber 4 is restored to the atmosphere, the rotation of the mixing chamber 4 is stopped, the lid '18 is opened, and the mixing chamber 4 is tilted to produce the composite raw material. It was taken out, cast into a mold, molded, and cured by steam curing, and then released from the mold to obtain a composite steel (concrete).
  • the composite raw material (uncured concrete) has a slump of 7.5 cra, the compressive strength of 7 scoops is 407.6 kg / cnf, and the compressive strength after scooping is 5 4 8 It was found that the strength was kg / cnf, which was slightly higher than that of what was cured without being depressurized.
  • various compounding ratios and particle diameters of the materials were tested, but in the case of a composition intended for high strength, the maximum compressive strength of 960 kg / cni could be obtained.
  • a compressive strength of 600 to 900 kg / erf can be obtained relatively easily, and bending strength and tensile strength also increase with this, and a uniform mouth with little variation is obtained.
  • the following table shows the slump value and the test value of the compressive strength of the composite obtained in Example 1, Reference Example 1 and the conventional conventional technique.
  • the decompressed one has a higher strength than the non-decompressed one and the blast furnace slugger has a higher strength than the one using gravel. What is more, the blast furnace sludge was decompressed, decompressed, and kneaded for 30 minutes and then taken out. Only when the lamp was large, there was no bridging, and it was not possible to believe that the strength was even stronger.
  • the difference between the test ⁇ 3 ,: 4 and the test Not 5, 6 and 7 is that the blast furnace slag used in the test NOL 3 and 4 has a large drainage rate. This is due to the low water content of the blast furnace slag used for tests ⁇ 5, 6, and 7.
  • the pressure-time cement mill is rapidly injected into the furnace slag, which causes the residual air in the blast furnace slag to be compressed and become higher than normal pressure. It is considered that only the water in the lag is gradually released to the outside of the blast furnace oa; i> ⁇ There is a lot of bridging that was taken out immediately after the pressure was restored. Therefore, it is considered that the water released from the blast furnace slugged well and did not knead.
  • a foaming agent consisting of a stabilizer, a surfactant, and water are used to generate foam. That is, the composite raw material (uncured concrete) prepared in Example 1 was mixed with the above-mentioned foam in a volume ratio of 3: 1 to form the combined foamed composite raw material into a mold. It was cast into a frame and cured to obtain a lightweight high-strength composite (lightweight high-strength cellular concrete).
  • blast furnace slag powder such as crushed blast furnace slag, cement and water were used to set the blast furnace slag with a water content ratio of about 55% by the method of Example 1.
  • a slurry (composite raw material) in which a hot substance has been pressed may be obtained, and then a foam may be mixed and cured to form an air bubble concrete (composite).
  • foams to form a foam-containing composite material if the water mixture of the foaming agent used for foaming and water is used as the water during the production of the composite material, It is easy to adjust the bulk specific gravity of.
  • a water reducing agent such as a cellulosic type
  • a composite material having a low water cement ratio can be obtained to obtain a composite having high strength. 3
  • the manufacturing apparatus described in the figure is used, the present invention can be carried out by using other manufacturing apparatuses disclosed in this specification and the drawings and by using other porous materials. .. In these cases as well, the effect of the same tendency as that of the above-described embodiment was obtained, and therefore the details are omitted.
  • the present invention can have the following embodiments.
  • Manganese and / or manganese ore fine powder, or slate, penite, zeolite, or a mixture of one or more of them is suitable. It is possible to add the composite raw material ⁇ A, add the composite raw material under a reduced pressure, re-pressurize it, and then continue to knead and take it out, and cure it to obtain a salt-acid resistant composite.
  • IT can be an acidic complex
  • Blast furnace cement rapid hardening cement, heat hardening cement, etc. can be used for cementing.
  • a hydraulic inorganic composite such as a cement system or a water slag system in which a blast furnace slag is used as the porous material or is further foamed.
  • a blast furnace slag is used as the porous material or is further foamed.
  • silica-based composite using blast furnace slag as the porous material.
  • the silica ash-based composite material under reduced pressure is decompressed and then kneaded, and a foaming agent such as aluminum powder is mixed with this to foam and then autoclave cured to cure.
  • a foaming agent such as aluminum powder
  • Porous fibers, carbon fibers, silicon carbide, silicon nitride ', or metal porous fibers or porous particles (either single or lump) may be used as the porous material.
  • the gist when the product or method used in one embodiment can be applied or used in another embodiment, the gist is not changed. Can be used in other embodiments or can be used.
  • the curing raw material is pressed into the porous substance to improve the strength of the porous substance, the multiple substance and the cured product are integrated, and the composite is compressed.
  • the strength is high, the tensile strength and bending strength are both increased, cracks are less likely to occur, and the tenacity is strong. It is easy to perform surface molding with little brittleness.
  • both the manufacturing method and manufacturing equipment are simple, and it is possible to reduce the amount of cement used.
  • non-porous metal-based or carbon-based Silicon carbide-based, silicon nitride-based, or'synthetic resin-based fiber is used as a raw material for curing a porous material by connecting the composite raw material, repressurizing the composite raw material under reduced pressure, and then kneading and curing. Not only the press-fitting, but also the adhesion strength between the fiber and the cured raw material is improved, and a composite having higher bending strength and tensile strength can be obtained.
  • the composite material that has been kneaded and kneaded can be mixed with foamed polystyrene 13 — glue, pellets, etc., and the mixture can be cured to form a complex composite. It has various methods and uses, and its uses are extremely wide.
  • the hydraulic inorganic composite obtained according to the present invention has high ridge strength, tenacity, few cracks, and excellent surface formability. As a result, various types of reinforced concrete construction work and concrete vessels, various types of prestressed concrete, and concrete piles are manufactured. It is a technology that can be widely used as a concrete material for manufacturing.

Abstract

Procédé et appareil de production d'un composite hydraulique inorganique formé en faisant pénétrer de force un matériau hydraulique inorganique durcissable dans les cavités d'une substance poreuse fibreuse, granulaire, laminaire ou massive. Plus particulièrement, l'invention a trait à un procédé et un appareil de production d'un composite hydraulique inorganique où un matériau hydraulique inorganique durcissable dans lequel est mélangée la substance poreuse est placé dans une enceinte sous vide dans laquelle on fait revenir la pression à une valeur sensiblement normale, après quoi le matériau est malaxé, extrait et laissé durcir. La dénomination "matériau hydraulique inorganique durcissable" comprend un ciment, du laitier ou un matériau hydraulique inorganique durcissable à base de wollastonite. Le composite hydraulique inorganique obtenu grâce à ce procédé présente une résistance à la compression et une viscosité élevées, se fissure difficilement et présente également une excellente aptitude au moulage en surface; il est par conséquent très indiqué dans différents domaines industriels, en particulier l'architecture et le génie civil.
PCT/JP1984/000032 1983-02-04 1984-02-04 Procede et appareil de production de composites hydrauliques inorganiques en utilisant une substance poreuse en tant qu'agregat ou renforcement WO1984003063A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU24916/84A AU2491684A (en) 1983-02-04 1984-02-04 Method and apparatus for producing hydraulic inorganic composite using porous substance as aggregate or reinforcement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58016252A JPS59146971A (ja) 1983-02-04 1983-02-04 複合体の製造法と製造装置

Publications (1)

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WO1984003063A1 true WO1984003063A1 (fr) 1984-08-16

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JP (1) JPS59146971A (fr)
WO (1) WO1984003063A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5300278A (en) * 1988-03-09 1994-04-05 Cis Bio International Process for the preparation of 99m Tc, 186 Re or 188 Re nitride complexes usable as radiopharmaceutical products

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104985693A (zh) * 2015-06-29 2015-10-21 句容泰博尔机械制造有限公司 多功能混凝土搅拌机

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4738037Y1 (fr) * 1968-09-13 1972-11-17
JPS4728751U (fr) * 1971-04-13 1972-12-01
JPS49127429A (fr) * 1973-04-09 1974-12-06
JPS5183625A (ja) * 1975-01-21 1976-07-22 Denki Kagaku Kogyo Kk Kihokonkuriitonoseizoho
JPS5331167B2 (fr) * 1973-03-12 1978-08-31
JPS54102660A (en) * 1978-01-30 1979-08-13 Daito Kikai Kk Mixer
JPS5530962A (en) * 1978-08-28 1980-03-05 Katsushi Nakagawa Method of and apparatus for producing concrete employing porous material for aggregate
JPS5530983A (en) * 1978-08-29 1980-03-05 Katsushi Nakagawa Method of producing concrete employing porous material for aggregate
JPS57165209A (en) * 1981-04-03 1982-10-12 Kitagawa Iron Works Co Device for manufacturing green concrete, etc.
JPS5748586Y2 (fr) * 1980-09-25 1982-10-25
JPS5750650B2 (fr) * 1978-03-29 1982-10-28

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5242977B2 (fr) * 1971-12-10 1977-10-27

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4738037Y1 (fr) * 1968-09-13 1972-11-17
JPS4728751U (fr) * 1971-04-13 1972-12-01
JPS5331167B2 (fr) * 1973-03-12 1978-08-31
JPS49127429A (fr) * 1973-04-09 1974-12-06
JPS5183625A (ja) * 1975-01-21 1976-07-22 Denki Kagaku Kogyo Kk Kihokonkuriitonoseizoho
JPS54102660A (en) * 1978-01-30 1979-08-13 Daito Kikai Kk Mixer
JPS5750650B2 (fr) * 1978-03-29 1982-10-28
JPS5530962A (en) * 1978-08-28 1980-03-05 Katsushi Nakagawa Method of and apparatus for producing concrete employing porous material for aggregate
JPS5530983A (en) * 1978-08-29 1980-03-05 Katsushi Nakagawa Method of producing concrete employing porous material for aggregate
JPS5748586Y2 (fr) * 1980-09-25 1982-10-25
JPS57165209A (en) * 1981-04-03 1982-10-12 Kitagawa Iron Works Co Device for manufacturing green concrete, etc.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5300278A (en) * 1988-03-09 1994-04-05 Cis Bio International Process for the preparation of 99m Tc, 186 Re or 188 Re nitride complexes usable as radiopharmaceutical products

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