CN1077733A - Schwelvorrichtung - Google Patents

Abstract

The invention relates to a low-temperature carbonization device for low-temperature carbonization of materials containing metal parts, especially a device for low-temperature carbonization of waste materials containing metal wires or metal strips. The device has a low temperature carbonization drum (1) which rotates around its long axis. At least one hook (3) is arranged in the low-temperature carbonization cylinder (1), and the hook (3) rotates with the low-temperature carbonization cylinder (1) and protrudes into its inner space. For example, the hooks are bent upwards on the rising side of the drum (1). It is also possible to distribute a plurality of hooks (3) on the inner circumference of the drum (1) and along its length, in particular a helical arrangement. The residual strands ( 2 ) formed of metal wires or strips are divided into segments in the drum ( 1 ), which do not interfere with the residual discharge system or sorting system.

Description

The invention relates to a low-temperature carbonization device having a low-temperature carbonization drum rotating around its own longitudinal axis. The device is used for low-temperature carbonization of materials containing metal parts, especially for low-temperature carbonization of waste materials containing metal wires or metal strips.

A low-temperature carbonization device for low-temperature carbonization waste is disclosed in the German exhibition specification 2713031, which describes that the waste is fed into a low-temperature carbonization drum that is heated and can rotate around its longitudinal axis. Heating tubes for heating the waste, these heating tubes are supported inside the low temperature carbonization drum. The waste material is carbonized into carbonization gas and solid carbonization residue by low temperature carbonization in the low temperature carbonization drum. The carbonization gas and the low-temperature carbonization residue are discharged from the low-temperature carbonization drum, from which the low-temperature carbonization gas enters the low-temperature carbonization gas pipeline, while the solid low-temperature carbonization residue falls down into a discharge device, where a conveyor can be connected and/or sorting devices.

Metal wires or strips may be contained in the waste to be cryogenically carbonized, as well as coils, springs and similar metal waste. These metal-like parts come, for example, from steel belt tires, flexible shafts, materials joining plastics or electrical appliances. After the scrap is fed into the low temperature carbonization drum, the metal is exposed during the low temperature carbonization process, because most of the organic matter combined with the metal part is at a temperature of about 400°C to 700°C inside the low temperature carbonization drum Carbonized at a low temperature without the metal being destroyed at the stated temperature. Metal parts freed from plastic or rubber through the low-temperature carbonization process are entangled with each other due to the rotating motion of the low-temperature carbonization roller, especially when the wire, belt or spiral is relatively long, during the low-temperature carbonization process due to the low-temperature carbonization roller The rotary motion of the carbonization process forms a residual strand in it, which may extend over the entire length of the low-temperature carbonization drum, and the diameter of the strand is about 20 to 30 cm depending on the size of the drum and the type of waste.

Some metal parts, especially the steel skeleton composed of steel belt tires and flexible shafts are very strong, and the residual strands formed will not break themselves until the discharge port of the low-temperature carbonization drum, and the strands are continuously discharged from the low-temperature carbonization drum and enter The discharge device of the low-temperature charring residue, therefore, said discharge device may be blocked. In addition, the discharge of the remaining low-temperature carbonization residues is hindered. If a conveying and sorting device is connected to the residue discharge device, there is the risk that the entire low-temperature carbonization device may then be shut down because the strands impede the operation of the device.

The object of the present invention is to provide a low-temperature carbonization device, which eliminates the possibility that residual strands formed by metal parts prevent or even interrupt the discharge of the carbonization residue from the low-temperature carbonization drum or the continuous conveying and sorting of the low-temperature carbonization residue. possible.

The above-mentioned task of the present invention is accomplished by the following scheme. At least one hook is arranged in the low-temperature carbonization drum, and the hook rotates with the low-temperature carbonization drum and protrudes into its inner cavity.

The remaining strands move in the lowest position of the low temperature carbonization drum due to their own weight. When a hook encounters a residual strand, it is left on the hook and lifted upwards in a low-temperature carbonization drum. Due to the effect of the gravity of the residual strands, the residual agglomerates can be shredded by using the hook, so that the residual strands are scattered, so that only a single residual agglomerate leaves the low-temperature carbonization drum. These agglomerates are small enough not to prevent the continued discharge and necessary sorting of the solid residue.

For example, at least one hook is designed as a hook, so that the remaining strands can be lifted up very well with this hook. The hooks are curved in a shape that bends upward on the ascending side of the rotating low temperature charring drum.

For another example, at least one hook is arranged in the hot area of the low-temperature carbonization drum, and it can also be arranged in other areas of the drum. The hot zone in the low-temperature carbonization drum is located directly before the outlet for low-temperature carbonization gases and residues. By means of the hooks arranged in the hot zone, a very effective mechanical separation of the remaining strands can be produced, where the material strength of the remaining strands is reduced by the high temperature.

For another example, at least one hook is fixed on the surface of the inner casing of the low-temperature carbonization drum. It is also possible to have at least one hook fixed on the inner surface of the low-temperature carbonization drum through the supporting device. The length of the support device can be such that the hook can be freely inserted into the inner chamber of the low-temperature carbonization drum. The low temperature charring drum may include a similar insert placed on the inner surface of the shell. In addition, if free spaces are left between the inserts, their residual strands are not stored in these spaces, but are formed in the insert spaces pointing toward the center of the low-temperature carbonization drum. This is advantageous when the hooks are not arranged on the inner surface of the low-temperature carbonization drum, but directly on the insert. It is also possible to fix the hook on the supporting mechanism at the above-mentioned position.

As another example, at least one additional hook can be provided on the side wall of the supporting mechanism.

The remaining strands can be better hooked up with hooks graded one after the other on the support mechanism.

For example, the support means may be a bridge. This bridge can be directly connected to the low temperature carbonization drum, or connected to the device fixedly installed on the pipe.

The support mechanism can also be a support bracket for heating tubes or other parts, which itself is located in the low temperature carbonization drum. The heating pipe is arranged along the inner surface of the low-temperature carbonization drum, and is used for heating the low-temperature carbonization drum.

In particular, the support means can be a bridge connected to the support bracket, ie a combined structure of bracket and bridge.

At least one hook can also be fixed on the heating pipe fixed in the low-temperature carbonization drum or on other components. The choice of the inner heating tube is intentional, so that the hooks always protrude into the free insertion space in the low-temperature carbonization drum.

Utilizing at least one of the above-mentioned positioning forms of the hook can make the residual strands hang on the hook all the time.

For another example, many hooks are distributed on the length of the low-temperature carbonization cylinder, so that the remaining strands can be caught at many positions simultaneously, thereby tearing them into shreds.

For another example, hooks are arranged in a row in the direction of the rotation axis of the low-temperature carbonization drum, and these hooks simultaneously hook up all remaining strands.

According to another example, the hooks are distributed on the rotation axis of the low-temperature carbonization drum and on its inner circumference. In this way, the residual strands on the length of the low-temperature carbonization cylinder are hooked up at different times at different locations. This results in the elongation of the residual strand between two adjacent hooks, which results in a greater mechanical load on the residual strand and facilitates the shredding of the residual strand.

For another example, the hooks are arranged in a spiral distribution in the direction of the rotation axis of the low-temperature carbonization drum. With this structurally simple distribution, the remaining strands can be hooked up evenly during rotation.

The advantage of the low-temperature carbonization device of the present invention is that during the low-temperature carbonization process, residual strands made of non-low-temperature carbonization items, especially metal wires and other metal scraps, do not hinder or even kill the discharge and distribution of low-temperature carbonization residues. select.

The low-temperature carbonization device of the present invention will be further described below according to the accompanying drawings:

Fig. 1 shows a low-temperature carbonization drum of a low-temperature carbonization device, the drum has a heating tube and a hook arranged on the heating tube or bridge plate;

Fig. 2 shows a low-temperature carbonization roller of a low-temperature carbonization device, the roller has a support bracket, a heating pipe and a hook directly or indirectly fixed on the support bracket;

Fig. 3 shows a low-temperature carbonization drum of a low-temperature carbonization device, and the drum has hooks arranged on the inner wall of the drum.

For example, a low-temperature carbonization drum used for low-temperature carbonization waste is disclosed in German exhibition manual 2713031, and the residual strands formed in the low-temperature carbonization drum by metal wires and other metal parts will block the outlet of the low-temperature carbonization drum and subsequent equipment components.

Referring to FIG. 1 , a hook 3 for remaining wire strands 2 is provided in the low-temperature carbonization drum 1 , and the hook 3 is connected to the inner surface of the low-temperature carbonization drum 1 through a bridge plate 4 . In order for the hook 3 to protrude into the free space of the low-temperature carbonization drum 1 , it is necessary to provide a bridge 4 . In order to make the hook 3b stretch into the free space of the low-temperature carbonization drum 1, the hook 3b can also be directly mounted on the heating tube 5.

According to FIG. 2, the same effect can be obtained with the low-temperature carbonization apparatus shown therein. Wherein the hook 3c is arranged on the position of the support bracket 6 closest to the midpoint of the low-temperature carbonization drum 1, and the support bracket 6 supports many heating tubes 5. It is also possible to attach the hook 3d to the bridge 4a supported on the support bracket 6.

Additional hooks 3e can also be provided at least on the sides of the support bracket 6 or another support device, whereby residual strands can be shredded better.

Referring to FIG. 3 , a hook 3f is arranged on the inner surface of the low-temperature carbonization drum 1 . Such a low-temperature carbonization drum 1 can be heated from the outside.

Most hooks 3a-d, f are always in the free insert space of the low-temperature carbonization cylinder 1, and the residual strands 2 will not form between the inserts, but always form in the free space of the insert. The embedded object may be a heating pipe 5 , a support bracket 6 or other devices arranged in the low-temperature carbonization drum 1 . The supporting means for the hooks 3a-e can be a supporting means 4, 4a specially designed for hooks. But the embedded object itself such as support bracket 6 or other suitable embedded objects can be used as supporting means.

The hooks 3a-f are bent into a shape that bends upward on the ascending side of the rotating low-temperature carbonization drum. This allows the hooks to be inserted very well into the residual strand 2, to be picked up and dropped at the highest point of the cryogenic carbonization drum 1, thereby tearing the residual strand 2 apart by mechanical load.

With the embodiment of the low-temperature carbonization device according to the invention, it is possible in the low-temperature carbonization drum 1 to divide the residual strand 2 into fragments which do not interfere with the further processing of the solid residue.

Claims (14)

1. A low-temperature carbonization device for low-temperature carbonization of materials containing metal parts, especially a device for low-temperature carbonization of waste materials containing metal wires or metal strips. The device has a low-temperature carbonization drum 1 that can rotate around its long axis, and is characterized in that, At least one hook (3) is arranged in the low-temperature carbonization drum 1, and the hook (3) rotates with the low-temperature carbonization drum (1) and protrudes into its space. 2. The low-temperature carbonization device according to claim 1, characterized in that the hook (3) is bent into a hook shape that bends upward on the rising side of the low-temperature carbonization drum 1 . 3. The low-temperature carbonization device according to claim 1 or 2, characterized in that the hook (3) is arranged in the heating area of the low-temperature carbonization drum (1). 4. The low-temperature carbonization device according to any one of claims 1 to 3, characterized in that the hook (3f) is fixed on the inner surface of the low-temperature carbonization drum (1). 5. The low-temperature carbonization device according to any one of claims 1 to 4, characterized in that the hooks (3a-d) are fixed on the inner surface of the low-temperature carbonization drum (1) through supporting devices (4, 5, 6) , and protrude toward the free space of the embedded object in the low-temperature carbonization drum (1). 6. A low-temperature carbonization device according to claim 5, characterized in that at least one additional hook (3e) is provided on the side wall of the support means (4, 5, 6). 7. A low-temperature carbonization apparatus as claimed in claim 5 or 6, characterized in that the supporting means are bridge plates (4). 8. The low temperature carbonization device according to any one of claims 5 to 7, characterized in that said supporting device is a supporting bracket 6 for heating tubes (5). 9. The low-temperature carbonization device according to any one of claims 5 to 8, characterized in that, the support device is composed of a bridge plate (4a) and a support bracket (6), wherein the bridge plate (4a) and the support bracket The frame (6) is connected, and the supporting bracket (6) is fixed on the inner surface of the low-temperature carbonization drum. 10. The low-temperature carbonization device according to any one of claims 1 to 9, characterized in that the hook (3b) is fixed on the heating pipe 5 fixed on the low-temperature carbonization drum, and is directed toward the low-temperature carbonization drum (1 ) in the built-in free space protrudes. 11. The low-temperature carbonization device according to any one of claims 1 to 10, characterized in that a plurality of hooks (3) are distributed on the length of the low-temperature carbonization drum (1). 12. The low-temperature carbonization device according to claim 11, characterized in that the hooks (3) are arranged in a row along the rotation axis of the low-temperature carbonization drum (1). 13. The low-temperature carbonization device according to any one of claims 1 to 12, characterized in that a number of hooks (3) are distributed along the rotation axis of the low-temperature carbonization drum (1) and on its inner circumference. 14. The low-temperature carbonization device according to claim 13, characterized in that the hooks (3) are arranged in a spiral shape along the rotation axis of the low-temperature carbonization drum (91).

Images