JP6309722B2 - Waste raw waste separation processing equipment - Google Patents

Description

  The present invention is, for example, when a concrete mixer truck returned from a transport destination to a ready-mixed concrete factory has a waste ready-to-container called a “returned-container” (hereinafter referred to as a waste ready-mixed container) or a concrete mixer truck The present invention relates to a waste raw waste separation apparatus for facilitating the treatment of cement sludge discharged together with cleaning water or excess cement sludge (also referred to as concrete slurry) generated in a concrete secondary product factory.

  As described above, the waste raw concrete generated in the raw concrete factory etc. is first separated and collected with gravel by passing it through a vibrating sieve machine, then separated and collected with a spiral classifier, and the remaining sludge water is called thickener. The mixture was stirred overnight to obtain a mud cement sludge having no caking capacity, and the cement sludge was dehydrated by a filter press.

  On the other hand, the dehydrator shown in the following Patent Document 1 relating to the invention of the present inventor is a draining device formed by horizontally stacking a plurality of cylindrical members on at least one side of a water tank in which cement sludge is stored. A gate is formed, and water in the cement sludge is drained by flowing out from a slight gap between the cylindrical members.

Japanese Patent No. 4277057

  By the way, the waste bio-con processing plant as described above needs to have a wide site because equipment such as a vibration sieve for collecting aggregates, a device for sand slag and equipment such as a thickener must be installed. It becomes. Moreover, in order to obtain a certain processing capacity, these facilities are also large and require an installation space, so that installation in an urban area may be difficult.

The present invention is intended to solve the above-mentioned problems and to provide a waste raw waste separation apparatus that can be installed at a low cost without requiring a large site. For this purpose, the waste raw waste separation apparatus according to the present invention forms a drain gate on at least one side of a water tank by stacking a plurality of cylindrical members in a horizontal manner, and separates the aggregate in the upper space of the water tank. An apparatus is disposed, and gravel and sand are separated and recovered by throwing the waste raw concrete into the aggregate separating apparatus, and the remaining cement sludge is allowed to flow down from the aggregate separating apparatus into the water tank. The solid content is allowed to settle to the bottom of the water tank, and moisture in the cement sludge is caused to flow out from a gap between the cylindrical members in the drain gate.
Further, the aggregate separation device is a vibration sieve.
Further, the aggregate separation device is mainly composed of a vibration sieve that separates and collects gravel and a spiral classifier that is provided at the lower part of the vibration sieve to mainly separate and collect sand. To do.

  By disposing the aggregate separation device in the upper space of the water tank to dehydrate the cement sludge, the site area required for installing the waste raw waste separation processing device can be reduced, and installation is easy even in urban areas. At the same time, the installation cost is greatly reduced by simplifying the piping and the like.

The longitudinal cross-sectional view of the waste raw-comb separation processing apparatus which concerns on this invention. The AA sectional view taken on the line of the waste raw-comb separation processing apparatus shown in FIG. The longitudinal cross-sectional view of the waste raw-comb separation processing apparatus which concerns on this invention. FIG. 4 is a cross-sectional view taken along the line B-B of the waste raw-con separation processing apparatus shown in FIG. 3.

Next, a first embodiment of the present invention will be described with reference to FIGS. The water tank 1 is formed in a plane rectangular shape from a horizontal bottom plate 1a, a frame 1b, a side plate 1c, and an inclined plate 11 extending obliquely upward from the bottom plate 1a, and an upper surface thereof is opened. 3 is drainage gates provided on both side surfaces of the water tank 1 in the longitudinal direction. The drainage gate 3 is fixed with pillars 4a and 4b made of H-shaped steel at appropriate intervals, and both ends are disposed between the pillars 4a and 4b. By loosely fitting, a plurality of linear cylindrical members 5a to 5i are stacked horizontally. Note that, for example, by cutting a known steel pipe manufactured for gas piping or water supply into an appropriate length, it can be used as the cylindrical members 5a to 5i. Thus, by forming the draining gate 3 by stacking a plurality of cylindrical members 5a to 5i in a horizontal manner, the cylindrical members 5a to 5i are in line contact with each other, and cement is formed from the slight gap between them. While water in the sludge flows out, a large amount of solid content in the cement sludge is dammed in the water tank 1 without passing through the gap, and the solid content settles on the bottom of the water tank 1.

  The cylindrical members 5a to 5i can be crimped to each other by their own weights, but the crimping force may be adjusted by providing a weight of an appropriate size or providing a spring. Further, each cylindrical member 5a to 5h may be a solid member (round bar) even if it is not hollow as shown in this embodiment. Further, by rotating the cylindrical members 5a to 5h, the solid matter sandwiched in the gaps between the respective cylindrical members 5a to 5h can be separated from the gaps with the rotation thereof.

Next, a description will be given of the sludge raising device 10 provided for scooping up the solid content in the cement sludge that has settled and accumulated at the bottom of the water tank 1 to the outside of the water tank 1. A discharge port 13 is provided at the upper part of the inclined plate 11 formed so as to extend obliquely upward from the bottom plate 1a at one end in the longitudinal direction of the water tank 1, and a conveyor driving sprocket 14 is provided above the discharge port 13, Guide wheels 15 and 16 are rotatably supported near both ends of the inner bottom of the water tank 1. Further, an endless chain conveyor 18 with rakes 17 attached at appropriate intervals is wound around the sprocket 14 and the guide wheels 15 and 16, and the driving sprocket 14 is driven by a motor (not shown). The chain conveyor 18 is configured to slowly rotate in the direction indicated by the arrow. For this reason, the solid content accumulated on the bottom plate 1a is scooped up on the inclined plate 11 by the rake 17, is transported upward along the inclined plate 11, falls from the discharge port 13, and is discharged outside the apparatus. Reference numeral 19 denotes rail members provided on both upper sides of the water tank 1 in order to support the chain conveyor 18 that returns to the water tank 1.

  Next, an aggregate separation device provided in the upper space of the water tank 1 will be described. In the embodiment shown in FIGS. 1 and 2, the vibration sieve machine 20 is an aggregate separation device. The vibration sieve machine 20 is provided with a support member 21 on the upper part of the water tank 1, and the support member 21 is provided on the support member 21. A square frame-like sieve body 23 with a sieve mesh 22 stretched is supported substantially horizontally via a coil spring 24, and a vibration motor 25 is provided on the sieve body 23. Reference numeral 26 denotes an aggregate outlet provided at one end of the sieve body 23, and the outlet 26 is located outside the water tank 1.

  In the waste raw waste separation apparatus configured as described above, the waste raw waste remaining in the drum of the mixer truck is directly fed from the drum into the sieve body 23 of the vibration sieve 20 and the vibration motor 25 is operated, thereby Cement sludge consisting of fine solids in waste raw concrete is allowed to permeate through the sieve mesh 22 together with moisture and flow down into the water tank 1, and aggregates such as gravel and sand in the waste raw concrete are discharged on the sieve mesh 22 due to vibration. The aggregate is moved in the direction of the outlet 26, and the aggregate is discharged from the discharge port 26 to the recovered aggregate storage place 27.

  The cement sludge that has flowed into the water tank 1 dehydrates as the solid content settles on the bottom plate 1a as time passes, while the water in the cement sludge gradually flows out from the gaps between the cylindrical members 5a to 5i. Is made. In addition, the solid content deposited on the bottom plate 1a is scooped up by operating the sludge hoisting device 10 as described above, and discharged from the discharge port 13 to the outside of the apparatus. Reference numeral 28 denotes the solid content thus discharged.

  As described above, the waste raw waste separation apparatus can be installed in the upper space of the water tank 1 so that the vibration sieve 20 can be installed without requiring a space. It is possible to easily install this waste raw waste separation processing apparatus. In addition, since cement sludge that has passed through the sieve screen 22 of the vibration sieve 20 flows down directly into the water tank 1 and is dehydrated in the water tank 1, piping and the like for guiding the cement sludge to the water tank 1 as in the prior art are necessary. The equipment cost is reduced.

  In addition, the second embodiment of the present invention shown in FIGS. 3 and 4 uses the vibrating sieve 20 and the spiral classifier 30 as an aggregate classifier, and the spiral classifier 30 is provided above the water tank 1. While supporting by the support member 39, the vibration sieve 20 is further supported by the support member 31 on the upper part of the spiral classifier 30. In addition, the same part as FIG. 1, FIG. 2 of the water tank 1, the drain gate 3, the sludge raising apparatus 10, and this vibration sieve 20 is shown with the same code | symbol. On the other hand, the spiral classifier 30 has an inclined rod 33 extending obliquely upward from one side of a container body 32 that receives cement sludge, and a screw conveyor 34 is rotatably supported in the inclined rod 33. The screw conveyor A lower tip of 34 is immersed in the vessel 32, and a motor 35 is connected to the screw conveyor 34. By driving the motor 35, the screw 34 is rotated at a low speed. Reference numeral 36 denotes a sludge discharge port provided at the bottom of the vessel 32, and reference numeral 37 denotes a sand discharge port formed on the upper bottom surface of the inclined rod 33.

  In the aggregate sorting apparatus shown in this embodiment, by putting waste raw concrete such as residual ready-mixed concrete into the sieve body 23 of the vibration sieve machine 20, gravel in the waste raw concrete is collected from the discharge port 26 into the collected gravel storage place 37. The cement sludge containing the sand is dropped into the container 32 of the spiral classifier 30 from the sieve mesh 22, and the screw conveyor 34 is driven to rotate, so that the sand in the cement sludge enters the sloping gutter 33. Scooped out and scooped out sand is discharged from the sand discharge port 37 to the recovered sand storage 38. On the other hand, the cement sludge remaining in the container body 32 flows down from the sludge discharge port 36 into the water tank 1, and the solid content in the cement sludge settles on the bottom plate 1 a in the water tank 1, and the settled solid content is sludge. The hoisting device 10 is operated to be scooped up and discharged to the outside from the discharge port 13, and the water in the cement sludge flows out from the gaps between the cylindrical members 5a to 5i. The gravel discharged to the collected gravel place 37 and the sand discharged to the collected gravel place 38 are reused.

  As described above, the waste raw waste separation apparatus according to the present invention includes the aggregate separation apparatus disposed in the upper space of the water tank for dehydration, so that the site area required for installing these treatment apparatuses is greatly reduced. can do. In addition, since cement sludge that has passed through the aggregate separating apparatus flows directly into the water tank, the cement sludge piping and the like are simplified, and the installation cost is reduced.

  The separation processing apparatus according to the present invention is a facility for processing mixers, hoppers, molds and the like in concrete secondary product factories such as fume pipes, utility pole piles, concrete blocks, etc. It can be used to treat waste water containing cement that is produced when washing or surplus cement sludge.

DESCRIPTION OF SYMBOLS 1 Water tank 3 Drain gate 5a-5i Cylindrical member 10 Sludge raising device 11 Inclined plate 17 Rake 18 Chain conveyor 20 Vibrating sieve 30 Spiral classifier 34 Screw conveyor

Claims (1)

It comprises a water tank for storing solid matter in the cement sludge by storing cement sludge at the bottom of the water tank, and an aggregate separation device disposed in the upper space of the water tank. A drainage gate for draining the water in the cement sludge from the gap between the cylindrical members by stacking the cylindrical members horizontally is provided, and obliquely upward from the bottom plate of the water tank at one end in the longitudinal direction of the water tank The solid content in the cement sludge that has settled at the bottom of the aquarium is formed by rotating a chain conveyor that is attached to the rake at appropriate intervals from the inner bottom of the aquarium over the inclined plate. A sludge hoisting device is provided for scooping up on the inclined plate by the rake and discharging it to the outside of the machine, and the gravel and sand are separated and recovered by putting the waste raw concrete into the aggregate separating device, and the aggregate Cement sludge through another device not directly flow dropped to the water tank, that the solid content of the cement sludge causes to flow out water of the cement sludge from the water draining gate was set to scoop by on the sludge scooping device Characterized waste raw food waste separation equipment.

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