JPH019771Y2 - - Google Patents

Description

[Detailed explanation of the invention] [Industrial application field] This invention temporarily stores the waste generated from households and businesses, and when it reaches a certain amount, it is discharged and stored in incinerators, containers, etc. This article relates to a rotary type garbage storage and discharge machine that is used to store and discharge garbage.

[Conventional technology]

FIG. 3 shows a conventional rotary drum type dust storage and discharge machine, in which a rotary drum 2 supported horizontally on a base 1 is rotated in forward and reverse directions by a drive means 3 composed of an appropriate motor and gears. A spiral blade 4 is provided inside the drum 2 as shown in FIG. The spiral blades 4 are also continuously provided inside.

The support frame 7 on the rear end of the base 1 is provided with a cover 8 that covers the rear end opening of the rotating drum 2, and the cover is provided with an opening/closing door 9 for the input port. An arm 11 that is rotated by an electric cylinder (not shown) is provided at the upper end of the frame 10, and a rotatable discharge lid 12 that opens and closes the discharge port 5 is provided on this arm 11. is concentric with the drum 2 when the discharge port 5 is closed, and the drum 2
rotates with

Further, a garbage incinerator 14 is provided below the discharge port 5.
A garbage inlet 15 is provided.

In the above configuration, if the drum 2 is empty,
The garbage discharge port 5 is closed with a discharge lid 12, and the opening/closing door 9 is opened to throw the garbage into the drum 2. The thrown garbage is sent forward by the action of the spiral blades 4 caused by the rotation of the drum 2, and is compressed and stored.

When the garbage 16 is stored in the drum in this way,
By opening the discharge lid 12 and forwardly rotating the drum 2, the garbage 16 is advanced and discharged from the discharge port 5 through the reception port 15 to the incinerator 14 or the like.

[Problem that the invention attempts to solve]

In the above-mentioned garbage storage/discharge machine, while a large amount of garbage 16 remains in the drum 2 due to the incinerator 14, etc., the drum 2 is stopped and a small amount is removed. There are cases where the dust near the discharge port 5 is returned into the drum 2 by rotating in the opposite direction.

Conventionally, in such a case, a part of the garbage hangs down from the discharge port 5, as shown in FIG.
Even if the drain lid 12 is closed, the dripping dust may get caught in the discharge lid 12 and may not close completely. If the discharge lid 12 does not close completely in this way, the drum 2 will not rotate smoothly. Also, in the case of a pressure-resistant type (vacuum type), airtightness cannot be maintained.

Further, in the case of a conventional rotary drum, the discharge speed changes depending on the amount of dust in the drum 2, which poses a problem when automatic operation is performed in connection with the incinerator 14, etc.

Also, by fixing the discharge blade inside the discharge lid,
When the discharge lid is opened, there is a device in which the discharge vanes move outward together with the discharge lid to scrape out the dust near the discharge port, but this known technology also scrapes out the dust when the discharge lid is opened. Afterwards, dust may remain around the outlet, and some of it may hang down from the outlet.

The purpose of this invention is to eliminate the trapping of dust at the discharge port 5 of the drum 2 as described above, and to make the speed of discharge of the dust from the drum 2 constant.

[Means for solving problems]

In order to solve the above problems, this invention provides spiral blades in the tapered inner discharge tube and outer discharge tube at the front end of the rotary drum, and also provides a spiral blade in the outer discharge tube than the number of spiral blades in the drum. The number of threads of the spiral blades is increased so that the discharge speed of the spiral blades in the outer discharge tube is faster than the discharge speed of the spiral blades in the inner discharge tube.

[Effect]

Since this device has the above-mentioned configuration, as the rotary drum rotates forward, the garbage that has moved forward inside the drum enters the outer exhaust tube from the inner exhaust tube.
It is sent forward by the spiral blade in this outer discharge tube and discharged from the discharge port.

When the discharge is completed, the drum is temporarily stopped, and then the drum is rotated slightly in the reverse direction to cause the dust near the discharge port to move back, and then the drum is stopped and the discharge port is closed.

〔Example〕

1 and 2 show an embodiment of this invention, in which the front end of the drum 21 has a double structure of an inner discharge tube 22 and an outer discharge tube 23. Both discharge tubes 22,
23 is concentric with the drum 21, and a spiral blade 24 provided inside the drum 21 is provided from inside the inner discharge pipe 22 to its discharge port 25.

Furthermore, two spiral blades 26 reaching the discharge port 27 are provided inside the outer discharge tube 23, and the height thereof is greater than the height of the spiral blades 24. In the illustrated example, there is one spiral blade 24 extending from the inside of the drum 2 into the inner discharge pipe 22, and the spiral blade 26 inside the outer discharge pipe 23 has two threads, but when the spiral blade 24 has two or more threads, In this case, the number of spiral blades 26 is further increased.

Reference numeral 28 denotes a wall plate provided between the front outer side of the inner discharge tube 22 and the inner rear end of the outer discharge tube 23, so that the dust at the rear inside of the outer discharge tube 23 is removed from the outside of the inner discharge tube 22 and the drum extending to this point. This prevents it from entering between the peripheral walls of 21. Further, 29 is a discharge lid that opens and closes the discharge port 27.

The structure of the rear part of the drum 21, the support structure, the driving means, the driving means of the discharge lid 29, etc. are the same as those of the conventional example shown in FIG. 3, and therefore their explanation will be omitted.

In the above configuration, when the drum 21 is rotated in the normal direction with the garbage stored in the drum 21, the garbage 30 in the drum 21 is sent forward by the spiral blade 24, passes through the inner discharge pipe 22, and exits the discharge port 25. The liquid enters the outer discharge pipe 23, is sent forward by the spiral blade 26, and is discharged from the discharge port 27.

In the above-mentioned operation, since the spiral blades 26 have two threads and are higher than the spiral blades 24, the speed at which the garbage is fed inside the outer discharge tube 23 is extremely high.
Therefore, when the drum 21 rotates normally to discharge the garbage, the amount of garbage in the outer discharge tube 23 is extremely small and is almost empty, so the drum 21 is stopped and the garbage discharge is stopped. When the drum 21 is reversed, the dust no longer drips as shown in FIG. 2, and the discharge port 27 can be completely closed with the discharge lid 29.

〔effect〕

As mentioned above, this idea has a double structure at the front end of the drum, and after the garbage sent by the spiral blade inside the drum is introduced from the inner discharge tube into the outer discharge tube, the dust is transferred to the outer discharge tube with a large number of spirals. Since the impeller discharges the dust from the outlet of the outer discharge tube at a high speed, the passing speed of the dust inside the outer discharge tube is extremely high. Therefore, if the drum is stopped in the middle of discharging dust, there is very little dust remaining in the outer discharge tube, so if you stop the drum and reverse the drum in the middle of discharge, it will come out from the discharge port as shown in Figure 5. There is no more dust dripping, and the exhaust port can be completely closed with the exhaust lid.

Therefore, batch discharge is possible. Furthermore, when there is a large amount of dust in the drum, the double ejection pipe creates resistance and reduces the ejection speed, making it possible to keep the ejection speed almost constant. effective.

[Brief explanation of the drawing]

Figures 1 and 2 are longitudinal sectional side views showing the main parts of the garbage storage and discharge machine of this invention, Figure 3 is a side view of a conventional dust storage and discharge machine, and Figures 4 and 5 are the main parts of the same. FIG. 2, 21... Rotary drum, 3... Drive means, 4, 24, 26... Spiral blade, 6... Discharge tube, 22... Inner discharge tube, 23... Outer discharge tube,
25, 27...Exhaust port.

Claims (1)

[Claims for Utility Model Registration] (1) A tapered discharge tube with a small-diameter discharge port at the outer end is provided at the front end of a horizontal rotary drum that is driven and rotated by an appropriate driving means, and the inner surface of the rotary drum is In a rotary drum type garbage storage and discharge machine, a spiral blade is provided from the inner surface of the discharge tube to the inner surface of the discharge tube, and the rotary drum rotates to compress and store and discharge the garbage.The front end of the rotary drum is connected to the tapered inner discharge tube and the outer discharge tube. The cylinder has a double structure, and spiral blades are also provided inside the outer discharge cylinder, and the number of spiral blades in the outer discharge cylinder is greater than the number of spiral blades in the drum. A rotary drum type garbage storage and discharge machine characterized in that the discharge speed of the rotary drum is configured to be faster than the discharge speed of the spiral blades in the inner discharge cylinder. (2) The rotary drum type garbage according to claim 1 of the utility model registration, characterized in that the height of the spiral blade in the outer discharge tube is higher than that of the spiral blade in the inner discharge tube. Storage discharge machine.