JP2003062479A - Slag washing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a slag washing device by which argillaceous mud adhering to slag can be removed efficiently at a low cost to effectively utilize the slag, and by which the mud can be removed in a good working environment. SOLUTION: This slag washing device comprises a slag feeder provided with a screw discharging the slag, which is fed into a slag supply cylinder from a slag charge device disposed on a frame, from a tip part, a washing trommel comprising a cylindrical frame-shaped washing trommel body rotatably installed on the frame so that the diameter decreases gradually from one end to the other end, where the tip end of the slag supply cylinder is inserted into a through hole in the wall surface of the one end thereof, an outer wall using a slit plate, in which an innumerable number of small slits are formed longitudinally and laterally at prescribed intervals, for covering the outer periphery of the washing trommel body, and a spiral guide plag installed in the outer wall, a washing water tank covering the lower side of the washing trommel and having a drain hole with an on/off valve, and two spray pipes for spraying washing water from the above near to the other end of the washing trommel and from the inside near to the other end thereof.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slag cleaning device for removing clay mud adhered to slag generated when incinerated ash is melted.

[0002]

2. Description of the Related Art Conventionally, clay-like mud such as refractory bricks in a melting furnace adheres to slag produced when incinerated ash is melted.

[0003]

Conventionally, it has been considered to utilize slag as an aggregate or the like, but clay mud adhered to the slag cannot be efficiently removed at low cost, and There was a drawback that it was difficult to make effective use of it.

In view of the above-mentioned conventional drawbacks, the present invention has been made.
To provide a slag cleaning device capable of efficiently removing clayey mud adhered to slag at low cost to effectively utilize the slag and removing clayey mud adhered to slag in a good working environment. It is an object.

The above and other objects and novel features of the present invention will be more completely apparent when the following description is read in view of the accompanying drawings. However, the drawings are only for explanation and do not limit the technical scope of the present invention.

[0006]

In order to achieve the above object, the present invention provides a pedestal and an opening formed in an upper portion near one end of the pedestal and connected to a hopper of a slag feeder. Slag supply cylinder, a screw rotatably mounted in the slag supply cylinder so that the slag supplied into the slag supply cylinder can be discharged from the tip end portion,
A slag supply device comprising a screw drive device attached to the pedestal for rotationally driving the screw, and a tip portion of a slag supply cylinder of the slag supply device is inserted into a through hole of a wall surface of the one end, the pedestal The cleaning trommel main body in the shape of a cylinder whose diameter at the other end is smaller than the one end rotatably attached to the other end of the main body of the cleaning trowel. A cleaning trommel consisting of an outer wall using a slit plate in which a number of small slits are formed at predetermined intervals, and a spiral guide plate for transferring the slag supplied from one end to the discharge port near the other end. And a washing water tank having a drain port provided with an opening / closing valve for covering the lower portion of the washing trommel and an upper portion of the washing water tank so as to cover the upper portion of the washing trommel A cover having a closing door, a discharge chute for discharging the cleaned slag from a discharge port at the other end of the cleaning trommel, a cleaning trommel driving device attached to the mount for rotating the cleaning trommel, and the cleaning trommel. The slag cleaning device is composed of two spray pipes for spraying water such as cleaning water from the upper part near the other end and the inside of the other end.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in detail below with reference to the embodiments shown in the drawings.

In the first embodiment of the present invention shown in FIGS. 1 to 12, reference numeral 1 denotes the present invention for removing clay mud from slag 3 containing clay mud charged by a slag charging device 2. In the slag cleaning device, the slag cleaning device 1 can be installed on a floor 4, and the slag can be placed on an upper part of the gantry 4 near one end of the gantry 4 via supporters 5 and 6. The slag supply cylinder 9 having an opening 8 connected to the hopper 7 of the device 2 and the slag 3 supplied into the slag supply cylinder 9 are rotatable in the slag supply cylinder 9 so that the slag 3 can be discharged from the tip. A screw mounted on the pedestal 4 connected to a screw shaft 11 projecting from the rear end of the slag supply cylinder 9 for rotating the screw 10 via a speed reduction mechanism 12. One end is rotatably supported by a slag supply device 15 composed of a screw drive device 14 provided with 13, and support rollers 17, 17 rotatably attached to a support base 16 at a substantially central portion of the gantry 4, one end of which is supported in sequence. A cleaning trommel 19 to which the slag 3 is supplied from the slag supply device 15 whose other end having a small diameter is rotatably supported by a support 18 at the other end of the gantry 4 and a lower part of the cleaning trommel 19 are provided. A drainage port 21 provided with an opening / closing valve 20 at the lowermost part to be covered and a wash water tank 23 of an inclined bottom surface 23a having a drain overflow pipe 22 so that the other end of the wash trombmel 19 does not enter the water, and the wash tromble 19 of Transparent plates 24, 2 attached to the upper part of the washing water tank 23 so as to cover the upper part and capable of seeing the inside.
A cover 26 having opening / closing doors 25, 25 having 4 and a slag from which clay mud has been removed is discharged from a discharge port 27 near the other end of the cleaning trommel 19 and fixed to the gantry 4. Discharge chute 2 with screen 28
9, a cleaning trommel drive device 30 attached to the gantry 4 for rotating the cleaning trommel 19, and water such as cleaning water from the upper part near the other end of the cleaning trommel 19 and the inside near the other end. It is composed of two spray pipes 31 and 32 for spraying, and belt conveyors 33 and 34 for conveying the large and small slags having passed through the discharge chute 29 and the selection screen 28 to predetermined positions.

The cleaning trommel 19 is supported by the support rollers 17, 17 at the outer center of one end thereof, and has a through-hole 35 in which the tip of the slag supply cylinder 9 of the slag supply device 15 is inserted. Wall plate 3 with 36
7. A cleaning trommel main body 39 having a cylindrical frame 38 having one end fixed to the outer peripheral part of the wall plate 37 and the other end having a successively smaller diameter, and the outer peripheral part of the cleaning trommel main body 39 are covered. Attached to the outer wall 42 using a slit plate 41 in which a large number of small slits 40 are formed at predetermined intervals in the front-rear and left-right directions, and the slag 3 supplied from one end into the outer wall 42 is located near the other end. It is composed of a spiral guide plate 43 that is transferred to the outlet 27 formed on the outer wall 42.

The cleaning trommel drive unit 30 has a support wall plate 44 fixed to the other end of the cleaning trommel 19.
And a pipe-shaped support shaft 45 fixed to the central portion of the support wall plate 44, and a cleaning trommel drive motor 47 that rotates the support shaft 45 via a speed reduction mechanism 46.

The spray tube 32 housed in the cleaning trommel 19 passes through the support shaft 45 and is located inside the cleaning trommel 19 near the other end thereof.
It is supported by a support piece 48 fixed to the support base 18 at a position outside.

In the slag cleaning device 1 having the above structure, the slag 3 is charged from the slag charging device 2 into the slag supplying cylinder 9 of the slag supplying device 15, and the screw driving device 14 is driven to be charged into the slag supplying cylinder 9. Slag 3 screw 1
It is supplied into the cleaning trommel 19 by rotating 0. The slag 3 supplied into the cleaning trommel 19 is rotated by the cleaning trommel driving device 30, and the water in the cleaning water tank 23 and the spiral guide plate 43 are rotated.
And the slag 3 transferred by the spiral guide plate 43 from one end to the discharge port 27 at the other end by the water sprayed from the two spray pipes 31 and 32 is the washing water tank 2
It is washed with the water in 3 and the spray water from the two spray pipes 31 and 32, and is discharged from the discharge port 27. The washed slag discharged from the discharge port 27 is sorted into large and small slag by a discharge chute 29 equipped with a sorting screen 28 and discharged to the belt conveyors 33 and 34.

[0013]

Different Embodiments of the Invention Next, FIGS.
Different embodiments of the present invention shown in FIG. In the description of these different embodiments of the present invention, the same components as those of the first embodiment of the present invention will be denoted by the same reference numerals and redundant description will be omitted.

The second embodiment of the present invention shown in FIGS. 13 and 14 is mainly different from the first embodiment of the present invention in that a discharge chute 29A that does not use a sorting screen is used. Then, even with the slag cleaning apparatus 1A configured as described above, the same operational effect as that of the first embodiment of the present invention can be obtained.

The third embodiment of the present invention shown in FIGS. 15 to 17 is mainly different from the first embodiment of the present invention in that the support cylinder 36 of the cleaning trommel 19 is attached to the speed reducing mechanism 46. Even if the slag cleaning device 1B configured as described above is used in that the cleaning trommel drive motor 47 that is rotated through the same is used, the same effects as those of the first embodiment of the present invention can be obtained, and the cleaning trommel is performed. 19
The structure of the other end can be simplified.

[0016]

As is apparent from the above description, the following effects can be obtained in the present invention.

(1) A gantry, a slag supply cylinder having an opening formed at an upper part near one end of the gantry and connected to a hopper of a slag feeder, and the slag supply cylinder is supplied with the slag. A slag supply device comprising a screw rotatably mounted in the slag supply cylinder so that the slag can be discharged from the tip, and a screw drive device mounted on the mount for rotating the screw, and the slag. A cylindrical shape in which the tip end of the slag supply cylinder of the supply device is inserted into the through hole of the wall surface of the one end, and the other end is successively smaller in diameter than the one end rotatably attached to the other end of the mount. The frame-shaped cleaning trommel main body, and the outside using a slit plate in which a number of small slits are formed at predetermined intervals in the front-rear, left-right direction so as to cover the outer periphery of the cleaning trommel main body. A washing trommel having a spiral guide plate for transferring the slag supplied from one end into the outer wall to a discharge port near the other end, and a drain outlet having an opening / closing valve covering the lower part of the washing trommel A washing water tank, a cover having an opening / closing door attached to the upper portion of the washing water tank so as to cover the upper portion of the washing trommel, and a discharge chute for discharging the washed slag from the discharge port at the other end of the washing trommel. A cleaning trommel driving device attached to the frame for rotating the cleaning trommel, and spraying water such as cleaning water from the upper part near the other end of the cleaning trommel and the inside of the other end 2
Since it is composed of individual spray pipes, the slag can be washed with water to automatically remove the clay mud adhering to the slag to obtain a highly pure slag. Therefore, the field of application as an aggregate can be expanded.

(2) Since the clay mud adhering to the slag is removed by washing with water according to the above (1), the mud scatters during the clay mud removal work and the working environment deteriorates. It can be surely prevented from doing.

(3) According to the above (1), since the clay-like mud adhering to the slag is removed by washing with water, the slag having a high purity can be obtained at a low cost and with a simple operation.

(4) According to the above (1), the slag can be washed by the slag supply device and the washing trommel in the flow operation. Therefore, the slag can be efficiently washed to obtain the clay-free mud.

(5) According to the second aspect, the same effects as the above (1) to (4) can be obtained.

[Brief description of drawings]

FIG. 1 is a front view of a first embodiment of the present invention.

FIG. 2 is a plan view of the first embodiment of the present invention.

FIG. 3 is a side view of the first embodiment of the present invention.

FIG. 4 is a partially cutaway front view of the first embodiment of the present invention.

5 is a sectional view taken along line 5-5 of FIG.

6 is a sectional view taken along line 6-6 of FIG.

7 is a sectional view taken along line 7-7 of FIG.

FIG. 8 is an explanatory diagram of a slag supply device according to the first embodiment of this invention.

FIG. 9 is an explanatory diagram of the cleaning trommel according to the first embodiment of this invention.

10 is a sectional view taken along the line 10-10 in FIG.

FIG. 11 is an explanatory diagram of a slit plate according to the first embodiment of this invention.

12 is a sectional view taken along line 12-12 of FIG.

FIG. 13 is a front view of the second embodiment of the present invention.

FIG. 14 is a side view of the second embodiment of the present invention.

FIG. 15 is a front view of the third embodiment of the present invention.

FIG. 16 is a plan view of the third embodiment of the present invention.

FIG. 17 is a side view of the third embodiment of the present invention.

[Explanation of symbols]

1, 1A, 1B: Slag cleaning device, 2: Slag charging device, 3: Slag, 4: Stand, 5,
6: support base, 7: hopper, 8: opening,
9: Slag supply cylinder, 10: Screw, 11: Screw shaft, 12: Reduction mechanism, 13: Motor,
14: screw drive device, 15: slag supply device, 16: support base, 17: support roller, 18:
Support, 19: Washing trommel, 20: Open / close valve, 2
1: Drain port, 22: Overflow pipe, 2
3: Wash water tank, 24: Transparent plate, 25: Open / close door,
26: cover, 27: outlet, 2
8: Sorting screen, 29, 29A: Discharge chute, 3
0: cleaning trommel drive device, 31, 32: spray tube, 33, 34: belt conveyor, 35: through hole,
36: Support tube, 37: Wall plate, 3
8: Cylindrical frame, 39: Washing trommel body, 40: Slit, 41: Slit plate, 42: Outer wall,
43: spiral guide plate, 44: support wall plate,
45: support shaft, 46: speed reduction mechanism, 47: washing trommel drive motor, 48: support piece.

Claims (2)

[Claims] 1. A slag supply cylinder having a gantry, an opening installed in an upper part near one end of the gantry and connected to a hopper of a slag feeder, and a slag supply cylinder supplied with the slag supply cylinder. So that the slag can be discharged from the tip,
A slag supply device including a screw rotatably mounted in the slag supply cylinder and a screw drive device mounted on the gantry for rotationally driving the screw, and one end of the slag supply cylinder of the slag supply device A cleaning frame body having a cylindrical frame shape in which the diameter of the other end of the cleaning frame is smaller than that of the other end of the frame, which is inserted into the through hole of the wall surface of the frame. An outer wall that uses a slit plate that is attached so as to cover the outer peripheral portion of the main body and has a number of small slits formed at predetermined intervals in the front-rear, left-right direction, and discharges the slag supplied from one end into the outer wall toward the other end. A cleaning trommel consisting of a spiral guide plate transferred to the outlet, a cleaning water tank having a drain port equipped with an opening / closing valve covering the lower part of the cleaning trommel, and the cleaning trommel. A cover having an opening / closing door attached to the upper part of the cleaning water tank so as to cover the upper part, a discharge chute for discharging the washed slag from the discharge port of the other end of the cleaning trommel, and a rotational driving of the cleaning trommel. A cleaning trommel driving device attached to the gantry, and spraying water such as cleaning water from the upper part near the other end of the cleaning trommel and the inside of the other end 2
A slag cleaning device characterized by comprising individual spray pipes. 2. A slag supply cylinder fixed to the gantry and an gantry having an opening connected to the hopper of the slag feeder at an upper part of the gantry installed near one end of the gantry, and the slag supply tube. A slag supply device comprising a screw rotatably mounted in the slag supply cylinder so that the slag supplied into the cylinder can be discharged from the tip, and a screw drive device mounted on the gantry for rotationally driving the screw. And the tip end of the slag supply cylinder of this slag supply device is inserted into the support cylinder of the wall surface of the one end, and the other end is successively smaller in diameter than the one end rotatably attached to the other end of the mount. A cylindrical frame-shaped cleaning trommel body that will be used as a main body, and an infinite number of small horizontal slits that are attached to cover the outer circumference of the cleaning trommel body at predetermined intervals in the front-rear, left-right direction. Outer wall using a slit plate,
The outer wall has a cleaning trommel consisting of a spiral guide plate that transfers the slag supplied from one end to the outlet near the other end, and a bottom surface of an inclined surface that covers the lower part of this cleaning trommel, A cleaning water tank having a drain port provided with an opening / closing valve at a lower portion, a cover having an opening / closing door attached to the upper part of the cleaning water tank so as to cover an upper part of the cleaning trommel, and a drain of the other end of the cleaning trommel. A discharge chute having a selection screen for discharging the washed slag from the outlet, a cleaning trommel driving device attached to the mount for rotating the cleaning trommel, and an upper portion and the other end of the cleaning trommel near the other end. A slag cleaning device comprising two spray pipes for spraying water such as cleaning water from the inside.