JPH05337454A - Method and equipment for treating waste tire - Google Patents

Abstract

PURPOSE:To make reuse of a waste tire easy by leaving it as it is or cooling to solidify after the waste tire is melted at low temp. CONSTITUTION:A heavy oil or tire melt is put into a melting tank 2, is heated by a hot air introduced from a furnace 1 or a pipe in keeping at 400 deg.-500 deg.C, in which waste tire 20 are dipped to melt the waste tire 20, and the melt is taken out through a melt discharging nozzle 8.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for treating a waste tire, which is capable of melting a waste tire at a lower temperature than before and utilizing the melt for energy and the like.

[0002]

2. Description of the Related Art Currently, waste tires are treated as follows. Fill in the soil. Burned by cutting directly or into chips.

[0003]

However, the conventional method of burying in soil has a problem that the ground is not stable because the waste tires do not decay.

In the method of burning, soot and toxic gas are emitted into the air when burning outdoors, and high temperature is generated due to burning of waste tires when burning by a furnace, which damages the furnace and shortens its life. It is short and requires special fireproof equipment, and further requires a device for removing soot and toxic gas, which is very expensive. In addition, when cutting into chips, the steel cord interferes and only a part of the tire can be chipped.

According to the present invention, a waste tire is melted at a lower temperature than in the conventional method, and is reused as it is or is cooled and solidified to facilitate reuse, and the steel cord is easily removed in the process. An object of the present invention is to provide a method for treating a large amount of waste tires and an apparatus therefor.

[0006]

[Means for Solving the Problems]

A heavy oil or a melt of a tire is put in a melting tank and heated to be maintained at 400 to 500 ° C., a waste tire is immersed therein to melt the waste tire, and the melt is taken out of the melting tank. ..

A water jacket is provided on the outer peripheral side of the melting tank,
A space for storing waste tires is also provided inside, a discharge nozzle for taking out a melt of the waste tires and a discharge port for exhaust gas are provided, and a furnace for heating the inside of the melting tank is provided below the discharge nozzle.

Hot air pipes are laid on the bottom and side surfaces of the inside of the melting tank, a large number of small holes are provided on the side surface of the pipe, an exhaust port is provided on the upper surface, and a large number of small holes are provided below the exhaust port. A separator having holes is provided, a waste tire carry-in port and a waste tire melt take-out nozzle are provided, and the pipe is connected to an incinerator or a hot air generator.

[0010]

The melting tank stores heavy oil or a melt of waste tires, stores waste tires, and discharges the melt and exhaust gas. A furnace below the melt tank heats the heavy oil or melt and waste tires in the melt tank. The heavy oil or melt heated and maintained at 400 to 500 ° C. melts the waste tire.

The pipes arranged on the inner bottom surface and the side surface of the melting tank are heated by the heat of the hot air adjusted to 400 to 500 ° C. sent from the incinerator or the hot air generator communicating therewith.
The heavy oil or melt in the tank is heated and maintained at 400 to 500 ° C.

The water jacket provided on the outer peripheral wall of the melting tank is
Steam is generated from water by the high temperature in the melting tank, and the steam can be used for multiple purposes.

The melt of the waste tire in the melting tank does not require the addition of heavy oil except for the use of heavy oil for rising, and the waste tire is immersed and melted.

[0014]

Embodiments of the present invention will be described with reference to the drawings. Above the incinerator 1, a melting tank 2 made of metal or refractory material is provided. The melting tank 2 is provided with an exhaust port 4 above the peripheral side portion of the tank 3, and a pipe 5 is attached thereto. A lid 6 with one side fixed to the shaft is provided above the tank 3, and at the lower part on the circumferential side of the tank 3,
A melt discharge port 7 is provided at a distance from the bottom surface, and a melt discharge nozzle 8 provided with a valve is attached to the discharge port 7. The structure of the lid 6 is not limited to the above,
Other known structures can be adopted.

One or a plurality of hanging rods 9 are attached to the lower surface of the lid 6, and the rod 9 is magnetized. As a method of magnetizing the rod body 9, the rod body 9 itself may be made of a magnetic material, or a coil (not shown) may be used to flow an electric current so as to be magnetized.

A water jacket 10 is provided on the circumferential side of the tank 3 of the melting tank 2, an opening 11 is provided above the water jacket 10, and a pipe 12 is attached to the opening 11 to allow water vapor injected into the water jacket 10. It is preferably used for multiple purposes such as taking out, a boiler, a generator, a cooker, and heating. Water jacket 10
The water inlet of is omitted in the figure.

The incinerator 1 is provided with a door 13 and an exhaust port 14, and a pipe 15 is attached to the exhaust port 14. An air hole 16 is provided in the door 13. The air holes 16 may be provided in the furnace wall instead of being provided in the door 13. Reference numeral 17 is a pipe for recovering the exhaust gas discharged from the exhaust port 14 into the incinerator 1 through the pipe 15 through the deodorizer 18 and the dust collector 19. The circulation path of this exhaust gas is as shown in FIG.

Temperature sensors (not shown) are attached to the incinerator 1 and the melting tank 2, and the temperature is adjusted by a controller (not shown).

When this waste tire treating apparatus is used, heavy oil having a high boiling point is first put in the melting tank 2, and the heavy oil in the melting tank 2 is heated to 400 to 500 ° C. in the incinerator 1. Or, while heating, the waste tire 20 is put and immersed in heated heavy oil or the like, and heated in the incinerator 1 so that the heavy oil or the like is maintained at 400 to 500 ° C. The fuel for the incinerator 1 may be any type of waste, coal, heavy oil, etc., and may be the melted material of the waste tire 20 melted in the melting tank 2 or its solid material. Not all the waste tires 20 in the tank may be immersed in the heavy oil.

The waste tire 20 immersed in the heated heavy oil or the like in the melting tank 2 is heated and melted by the heavy oil or the like. When a certain amount of the waste tire 20 is melted, the melt is taken out from the melt discharge nozzle 8 and put into a molding machine (not shown) to be cooled and solidified. Waste tires that have not been immersed in heavy oil are preheated by the hot gas in the tank and
When 0 melts, it falls into the melt and melts.

When the waste tire 20 is melted, the steel cord is attracted to the rod body 9 by the magnetic force of the rod body 9 of the lid 6. Therefore, when the lid 6 is opened, the steel cord is lifted and can be removed. It is also possible to omit the provision of the rod body 9 and remove the steel cord by hooking it with a hook rod or the like.

Since the melt discharge nozzle 8 is located higher than the bottom surface of the melting tank 2, the waste tire 2 is always in the melting tank 2.
Since the melt of 0 remains, it is not necessary to add heavy oil and the like, and when the waste tire 20 is put into the tank 3, the waste tire 20 may be immersed in the residual melt.

FIG. 3 shows another embodiment of the waste tire processing apparatus. An exhaust port 22 is provided on the upper surface of the melting tank 21, a melt discharge port 23 is provided on the lower side, and a waste tire 20 is provided on the upper side.
An opening 24 is provided for taking in and out, and a door 25 is attached to the opening 24. The door 25 may be of any type such as a door type, a vertical or horizontal sliding type. 34 is the melt discharge port 2
It is a faucet attached to 3.

On the bottom and side surfaces in the melting tank 21, the first
A metal pipe 27 is connected to a hot air generator 26 that controls the temperature by taking in hot air from a next incinerator (not shown). A large number of small holes are provided in the portion of the pipe 27 that is piped on the side surface in the melting tank 21 so as not to be immersed in the melt, and hot air is blown into the tank.

A horizontal separator 29 having a large number of small holes 28 is attached near the ceiling in the melting tank 21, and a plurality of hanging rods 30 are attached to the lower surface of the separator 29. Hanging rod 30
The mutual intervals are such that the waste tires do not come into contact with each other when they are inserted into the center holes of the waste tires.

A plurality of small holes 31 and holes 32 into which the hanging rods 30 can be inserted are provided below the separator plate 29 in the melting tank 21, and a slide plate 33 that can slide the wall surface in the melting tank 21 up and down. Attach.

When using this waste tire processing apparatus, first, a liquid having a high boiling point such as heavy oil is put in the melting tank 21,
Hot air is sent from a primary incinerator (not shown) to the hot air generator 26, the temperature is adjusted, and then the hot air is sent to the pipe 27 arranged in the melting tank 21. The sent hot air heats the pipe 27 piped on the bottom surface of the tank, and the heat heats heavy oil and the like from below, and the hot air blows into the tank through the small holes above the pipe 27 piped on the inner wall surface of the tank. Then, the hot air heats the heavy oil and the like from the upper surface thereof. The hot air temperature of the hot air generator 26 is adjusted by a sensor (not shown) and a controller (not shown) so that the temperature of the heavy oil or the like is kept at 400 to 500 ° C.

Before and after heating the heavy oil to 400 to 500 ° C., the waste tire 20 is put into the melting tank 21 through the opening 24. A larger number of the discarded tires 20 that have been loaded can be loaded into the tank. At this time, the hanging bar 30 is placed on the top of the stack.
, The uppermost waste tire 20 is lifted using a rod or the like, and the hanging rod body 30 is inserted.
Insert 0 and stack.

The waste tire 20 immersed in heavy oil or the like is melted by the heat of the heavy oil or the like, and the waste tire 20 above the heavy oil or the like is preheated by the hot air blown from the small holes 28 of the pipe 27. When the lower waste tire 20 is melted, the upper waste tire 20 is also lowered and immersed in heavy oil or the like mixed with the melt to be melted.

When the waste tire 20 is heated, the slide plate 33 slides to push the waste tire 20 downward, and when the waste tire 20 melts, the steel cord is pressed.

Hot air and waste tire 2 above melting tank 21
The exhaust gas generated by the melting of 0 is not rapidly discharged from the exhaust port 22 by the slide plate 33 and the separator plate 29, but most of it is convectively recirculated in the tank, and the small holes 28 of the slide plate 33 and the separator plate 29. , 32, and is gradually discharged from the exhaust port.

The exhaust gas discharged from the exhaust port 22 is preferably passed through the pipe 35 through the deodorizer 18 and the dust collector 19 and then returned to the hot air generator 26 or the primary incinerator. FIG. 4 is a diagram of this return system.

When the waste tire is melted, it is preferable that the melt is taken out from the faucet 34 into a molding machine and cooled to be solidified.

It is preferable to provide a water jacket on the outer periphery of the melting tank 21 and use the generated steam for various purposes.

The steel cord left after the waste tire 20 is melted is lifted up by the slide plate 33, the door 25 is opened, and the steel cord is taken out from the opening for disposal.

Even if the melt is taken out from the faucet 34, since the faucet 34 is located at a position higher than the bottom surface of the melting tank 21, the melt always remains in the tank, and heavy oil or the like is used for treating the waste tire from the second time. No need to add.

Attachment of the hanging rod 30 and the slide plate 33 may be omitted. In that case, the pipe 2 with a small hole
7 may also be provided on the lower surface of the separator plate 29.

[0038]

EFFECTS OF THE INVENTION According to the present invention, a waste tire can be treated as it is without cutting, and can be processed at a relatively low temperature, so that temperature control is easy, and a normal heat-resistant material is used for the furnace. It has a long life and does not require much cost for equipment, can process a large amount of waste tires, can directly use the melt as fuel or raw material, or can be solidified and easily stored and moved, and It has excellent effects such as easy use as a raw material or energy source.

[Brief description of drawings]

FIG. 1 is an explanatory cross-sectional view of a main part of a waste tire processing device.

FIG. 2 is a circulation system diagram of hot air and exhaust gas.

FIG. 3 is a cross-sectional view of a waste tire processing device.

FIG. 4 is a circulation system diagram of hot air and exhaust gas.

[Explanation of symbols]

 1 incinerator 2 melting tank 3 tank 4 exhaust port 5 pipe 6 lid 7 exhaust port 8 melt discharge nozzle 9 rod 10 water jacket 11 opening 12 pipe 13 door 14 exhaust port 15 pipe 16 air hole 17 pipe 18 deodorizer 19 collection Dust container 20 Waste tire 21 Melting tank 22 Exhaust port 23 Melt discharge port 24 Opening 25 Door 26 Hot air generator 27 Pipe 28 Small hole 29 Separator plate 30 Hanging rod body 31 Small hole 32 Small hole 33 Sliding plate 34 Faucet 35 Pipe

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[Procedure amendment]

[Submission date] July 23, 1992

[Procedure Amendment 1]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 3

[Correction method] Change

[Correction content]

[Figure 3]

Claims (3)

[Claims] 1. A heavy oil or a melt of a tire is put in a melting tank and heated to be maintained at 400 to 500 ° C., a waste tire is immersed in the melt to melt the waste tire, and the melt is melted in a tank. A method for treating a waste tire, which is characterized by further extracting. 2. A melting tank provided with a water jacket on the outer circumferential side, a waste tire housed inside, a discharge nozzle for taking out a molten material of the waste tire, and an exhaust gas discharge port, and below the melting tank. A waste tire processing apparatus comprising a furnace for heating the inside of a melting tank. 3. A hot air pipe is provided on the bottom and side surfaces of the inside of the tank, a large number of small holes are provided at an upper portion of the pipe provided on the side surface, an exhaust port is provided on an upper surface, and a large number of holes are provided below the exhaust port. A waste tire processing apparatus comprising a separator having small holes, a waste tire carry-in port, a waste tire melt removal nozzle, and the pipe connected to an incinerator or a hot air generator.