CN211896595U - Thermal cracking device for oil-containing sludge - Google Patents
Thermal cracking device for oil-containing sludge Download PDFInfo
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- CN211896595U CN211896595U CN202020175436.5U CN202020175436U CN211896595U CN 211896595 U CN211896595 U CN 211896595U CN 202020175436 U CN202020175436 U CN 202020175436U CN 211896595 U CN211896595 U CN 211896595U
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- combustible gas
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- thermal cracking
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Abstract
The utility model discloses an oily sludge thermal cracking device, which relates to the technical field of oily sludge treatment equipment and comprises a combustion chamber and a combustible gas input pipe, wherein the top of the combustion chamber is provided with a feed inlet, the bottom of the combustion chamber is provided with a discharge outlet, the side wall of the combustion chamber is provided with the combustible gas input pipe, the combustible gas input pipe comprises an upper combustible gas input pipe and a lower combustible gas input pipe, and the combustion chamber is internally provided with the upper combustible gas input pipe, an upper roller crushing layer, the lower combustible gas input pipe and a lower roller crushing layer from top to bottom in sequence; the feed inlet is provided with a deoxidizing device. The utility model adds a deoxidizing device at the feed inlet to replace the oxygen in the raw material, thereby enhancing the effect of thermal cracking; simultaneously, two layers of crushing rollers are additionally arranged in the combustion chamber, the upper layer of crushing rollers flatten the raw material subjected to primary cracking, so that the raw material is subjected to primary crushing, then enters the lower layer of the crushing rollers to continue pyrolysis, and the purpose of complete cracking is achieved.
Description
Technical Field
The utility model relates to an oily sludge treatment equipment technical field, concretely relates to oily sludge thermal cracking device.
Background
During the process of oil field exploitation, a large amount of oily sludge is generated, and the oily sludge has great influence on the surrounding soil environment. According to relevant environmental laws and regulations, oil-containing sludge generated in the process of oil extraction must be subjected to oil displacement treatment so as to be discharged, so that the treatment of the oil-containing sludge is also an important component of oil extraction and production. The existing oily sludge treatment utilizes a thermal cracking method to remove high molecular impurities in the sludge. The existing oily sludge has high oxygen content in components, so that the pyrolysis effect is poor, and simultaneously, because the raw material state is non-solid, the raw material with high temperature at the beginning can form a large block, and the central part of the large block raw material is not heated enough, so that the pyrolysis effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art and providing the oily sludge thermal cracking device.
The utility model discloses an oily sludge thermal cracking device comprises a combustion chamber and a combustible gas input pipe, wherein the top of the combustion chamber is provided with a feed inlet, the bottom of the combustion chamber is provided with a discharge outlet, the side wall of the combustion chamber is provided with the combustible gas input pipe, the combustible gas input pipe consists of an upper combustible gas input pipe and a lower combustible gas input pipe, and the combustion chamber is internally provided with the upper combustible gas input pipe, an upper roller crushing layer, the lower combustible gas input pipe and a lower roller crushing layer from top to bottom in sequence; the feed inlet is provided with a deoxidizing device.
As a further improvement, the deaerator is composed of a deaerating chamber, an inflation tube, a feeding valve and a feeding hopper, the top of the deaerating chamber is connected with the feeding hopper, the bottom of the deaerating chamber is connected with the feeding inlet, the feeding valve is arranged between the deaerating chamber and the feeding hopper, and the feeding valve is arranged between the deaerating chamber and the feeding inlet.
As a further improvement, the upper roller crushing layer and the lower roller crushing layer are composed of rollers arranged at equal heights, and the distance between the rollers of the upper roller crushing layer is larger than the distance between the rollers of the lower roller crushing layer.
As a further improvement of the utility model, the upper combustible gas input pipe is composed of two gas pipes, and the two gas pipes are opposite in position; the lower combustible gas input pipe consists of four gas pipes, and the four gas pipes are opposite to each other in pairs.
As a further improvement, the lower part of the discharge port is provided with a crawler-type transmission belt.
The utility model discloses an oil-containing sludge thermal cracking device, which is characterized in that a deoxidizing device is additionally arranged at a feed inlet to replace oxygen in raw materials, thereby enhancing the thermal cracking effect; simultaneously, two layers of crushing rollers are additionally arranged in the combustion chamber, the upper layer of crushing rollers flatten the raw material subjected to primary cracking, so that the raw material is subjected to primary crushing, then enters the lower layer of the crushing rollers to continue pyrolysis, and the purpose of complete cracking is achieved.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
In the figure: the device comprises a combustion chamber 1, a feeding port 2, a discharging port 3, an upper combustible gas input pipe 4, a lower combustible gas input pipe 5, an upper roller crushing layer 6, a lower roller crushing layer 7, a deaerating device 8, a deaerating chamber 9, an inflation pipe 10, a feeding valve 11, a feeding valve 12, a feeding hopper 13 and a crawler-type conveying belt 14.
The specific implementation mode is as follows:
as shown in fig. 1, the thermal cracking device for oily sludge of the present invention comprises a combustion chamber 1 and a combustible gas input pipe, wherein a feed inlet 2 is arranged at the top of the combustion chamber 1, a discharge outlet 3 is arranged at the bottom of the combustion chamber 1, and a crawler belt type conveyor 14 is arranged below the discharge outlet 3 for crushing the cracked material and outputting the crushed material; the side wall of the combustion chamber 1 is provided with a combustible gas input pipe, the combustible gas input pipe consists of an upper combustible gas input pipe 4 and a lower combustible gas input pipe 5, and the upper combustible gas input pipe 4, an upper roller crushing layer 6, the lower combustible gas input pipe 5 and a lower roller crushing layer 7 are sequentially arranged in the combustion chamber 1 from top to bottom; as shown in fig. 1, the upper combustible gas input pipe 4 is composed of two gas transmission pipes, the two gas transmission pipes are opposite in position, the lower combustible gas input pipe 5 is composed of four gas transmission pipes, and the four gas transmission pipes are opposite in position in pairs; the upper roller crushing layer 6 and the lower roller crushing layer 7 are both formed by rollers arranged at equal height, and the distance between the rollers of the upper roller crushing layer 6 is larger than the distance between the rollers of the lower roller crushing layer 7, so that the upper crushing roller crushes the raw materials which are initially cracked, the raw materials are initially crushed and then enter the lower layer to be continuously cracked at high temperature, and the purpose of complete cracking is further achieved; the feed port 2 is provided with a deoxidizing device 8, and the deoxidizing device is additionally arranged on the feed port to replace oxygen in the raw materials, so that the effect of thermal cracking is enhanced; deoxidizing device 8 comprises oxygen-eliminating chamber 9, gas tube 10, feed valve 11, feed valve 12 and feeder hopper 13, the top of oxygen-eliminating chamber 9 connect feeder hopper 13, its bottom connection feed inlet 2, be equipped with feed valve 11 between oxygen-eliminating chamber 9 and the feeder hopper 13, be equipped with feed valve 12 between oxygen-eliminating chamber 9 and the feed inlet 2, be equipped with gas tube 10 on the lateral wall of oxygen-eliminating chamber 9, add deoxidizing device at the feed inlet, replace the oxygen in the raw materials, and then strengthen the effect of thermal cracking.
The process flow is as follows: firstly, opening a feed valve 11, closing a feed valve 12, enabling raw materials to enter a deoxygenation chamber 9 from a feed hopper 13, flushing water vapor from an inflation pipe 10 to replace oxygen in the raw materials, then closing the feed valve 11, and opening the feed valve 12 to enable the raw materials to enter a combustion chamber 1 to finish one-time feeding. Before secondary feeding, the feeding valve 12 needs to be closed, the feeding valve 11 needs to be opened, then water vapor is introduced through the inflation tube 10, combustible gas entering the deaerating chamber 9 is discharged, and the concentration of the combustible gas in the deaerating chamber 9 is prevented from being too high. The deoxidization raw materials entering the combustion chamber 1 are subjected to preliminary cracking through an upper combustible gas input pipe 4 and then are subjected to preliminary crushing through an upper roller crushing layer 6, so that the raw materials form slices, and the cracking is facilitated; then the raw material slices are deeply cracked through a lower combustible gas input pipe 5, and finally crushed into powder through a lower roller crushing layer 7 and are transported out through a crawler-type conveyor belt 14.
Claims (5)
1. A thermal cracking device for oily sludge comprises a combustion chamber (1) and a combustible gas input pipe, and is characterized in that a feed inlet (2) is formed in the top of the combustion chamber (1), a discharge outlet (3) is formed in the bottom of the combustion chamber (1), the side wall of the combustion chamber (1) is provided with the combustible gas input pipe, the combustible gas input pipe comprises an upper combustible gas input pipe (4) and a lower combustible gas input pipe (5), and the upper combustible gas input pipe (4), an upper roller crushing layer (6), the lower combustible gas input pipe (5) and a lower roller crushing layer (7) are sequentially arranged in the combustion chamber (1) from top to bottom; the feed inlet (2) is provided with a deoxidizing device (8).
2. The oily sludge thermal cracking device according to claim 1, characterized in that the deaerating device (8) is composed of a deaerating chamber (9), an inflation tube (10), a feeding valve (11), a feeding valve (12) and a feeding hopper (13), the top of the deaerating chamber (9) is connected with the feeding hopper (13), the bottom of the deaerating chamber is connected with the feeding hopper (2), the feeding valve (11) is arranged between the deaerating chamber (9) and the feeding hopper (13), the feeding valve (12) is arranged between the deaerating chamber (9) and the feeding hopper (2), and the inflation tube (10) is arranged on the side wall of the deaerating chamber (9).
3. The apparatus for thermal cracking of oily sludge according to claim 1, wherein the upper roller crushing layer (6) and the lower roller crushing layer (7) are composed of rollers arranged at equal heights, and the spacing between the rollers of the upper roller crushing layer (6) is larger than the spacing between the rollers of the lower roller crushing layer (7).
4. The oily sludge thermal cracking device according to claim 1, wherein the upper combustible gas input pipe (4) is composed of two gas pipes, and the two gas pipes are opposite; the lower layer combustible gas input pipe (5) is composed of four gas transmission pipes, and the four gas transmission pipes are opposite to each other in position.
5. The thermal cracking device for oily sludge according to claim 1, characterized in that a crawler-type conveyor belt (14) is arranged below the discharge port (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020175436.5U CN211896595U (en) | 2020-02-17 | 2020-02-17 | Thermal cracking device for oil-containing sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020175436.5U CN211896595U (en) | 2020-02-17 | 2020-02-17 | Thermal cracking device for oil-containing sludge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211896595U true CN211896595U (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020175436.5U Active CN211896595U (en) | 2020-02-17 | 2020-02-17 | Thermal cracking device for oil-containing sludge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211896595U (en) |
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2020
- 2020-02-17 CN CN202020175436.5U patent/CN211896595U/en active Active
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