CN210874784U - Washing oil film removes naphthalene equipment - Google Patents
Washing oil film removes naphthalene equipment Download PDFInfo
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- CN210874784U CN210874784U CN201921195560.1U CN201921195560U CN210874784U CN 210874784 U CN210874784 U CN 210874784U CN 201921195560 U CN201921195560 U CN 201921195560U CN 210874784 U CN210874784 U CN 210874784U
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- naphthalene
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Abstract
The utility model relates to the field of removing naphthalene from coking waste gas, in particular to a washing oil film naphthalene removing device, which consists of a light tar tank 1, a pump 2, a washing oil film tower 3, a U-shaped backflow bay 4, a pump 5 and a cooler 6; the utility model has simple structure and reasonable design, adopts low-temperature water washing in the process of removing naphthalene from tail gas, can easily remove naphthalene in waste gas, and the leached naphthalene is dissolved in oil through the absorption of an oil film, thereby avoiding the subsequent blocking and secondary operation of naphthalene; the naphthalene is dissolved in the light tar in the treatment process, and the naphthalene is recycled through the U-shaped backflow gulf flow back to the light tar tank, so that the cost is saved while the quality of the light tar is improved, and the method is suitable for popularization and use.
Description
Technical Field
The utility model relates to a coking waste gas removes the naphthalene field, especially relates to a washing oil film removes naphthalene equipment.
Background
In the coking waste gas treatment process, the removal of naphthalene in the waste gas is considered firstly, and the naphthalene in the waste gas must be reduced to the allowable range of the subsequent process. The traditional treatment process adopts oil washing or water washing equipment, and no matter which type of equipment, the treatment process has great defects. When naphthalene is removed by oil washing, other organic matters are volatilized, so that the VOC value is increased after waste gas treatment, and generally used oil impurities are more, the dissolving amount is small, and the oil change cost is high frequently; the oil is easy to saturate without changing oil, and then the function is lost; the equipment jam is caused easily in the low temperature washing process, and then damages the pump, when increasing work load, also produces secondary pollution easily in the transportation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a washing oil film removes naphthalene equipment.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a water-washing oil film naphthalene removing device comprises a light tar tank, a first pump, a water-washing oil film tower, a U-shaped reflux bay, a second pump and a cooler,
the middle part of the water-washing oil film tower 3 is provided with a tail gas pipeline inlet 7;
the upper part of the water-washing oil film tower 3 is provided with a distributor 8;
the upper end of the distributor 8 is provided with a spray pipe 9, and the spray pipe 9 is provided with a spray head;
and a tail gas outlet 14 is formed in the top of the water-washing oil film tower 3.
Further optimize this technical scheme, light tar tank bottom 1 sets up first export 10, links together through pipeline and first pump 2.
Further optimizing the technical scheme, the middle part of one side of the tower kettle of the water-washing oil film tower is provided with a first inlet 13 which is connected with the first pump 2 through a pipeline; the other side of the tower bottom is provided with a second outlet 11 and a third outlet 12.
Further optimizing the technical scheme, the second outlet 11 is connected with the light tar tank 1 through a U-shaped backflow bay 4.
Further optimizing the technical solution, the third outlet 12 is connected with the second pump 5 through a pipeline.
Further optimize this technical scheme, second pump 5 passes through the pipeline and links together with cooler 6.
Further optimize this technical scheme, cooler 6 links together through pipeline and setting being equipped with shower 9 in distributor 8 upper end.
Further optimizing the technical scheme, the distributor 8 is composed of stones and other fillers capable of forming gaps.
Compared with the prior art, the beneficial effects are that:
the utility model adopts low-temperature water washing in the process of removing naphthalene from tail gas, so that naphthalene in waste gas can be easily removed, and the leached naphthalene is dissolved in oil through the absorption of an oil film, thereby avoiding the blockage and secondary operation of subsequent naphthalene; meanwhile, light tar is adopted to dissolve naphthalene in the treatment process, and the naphthalene is recycled through U-shaped backflow gulf flow back into the light tar tank, so that the cost is saved while the quality of the light tar is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1, a light tar tank; 2. a first pump; 3. washing the oil film tower with water; 4. a U-shaped reflux bay; 5. a second pump; 6. a temperature reducer; 7. an inlet of a tail gas pipeline; 8. a distributor; 9. a shower pipe; 10. a first outlet; 11. a second outlet; 12. a third outlet; 13. a first inlet; 14. and a tail gas outlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The embodiment discloses: a water-washing oil film naphthalene removing device comprises a light tar tank 1, a first pump 2, a water-washing oil film tower 3, a U-shaped reflux bay 4, a second pump 5 and a cooler 6,
the middle part of the water-washing oil film tower 3 is provided with a tail gas pipeline inlet 7;
the upper part of the water-washing oil film tower 3 is provided with a distributor 8;
the upper end of the distributor 8 is provided with a spray pipe 9, and the spray pipe 9 is provided with a spray head;
and a tail gas outlet 14 is formed in the top of the water-washing oil film tower 3.
Preferably, the bottom 1 of the light tar tank is provided with a first outlet 10 which is connected with a first pump 2 through a pipeline.
Preferably, the middle part of one side of the tower kettle of the water-washing oil film tower is provided with a first inlet 13 which is connected with the first pump 2 through a pipeline; the other side of the tower bottom is provided with a second outlet 11 and a third outlet 12.
Preferably, the second outlet 11 is connected to the light tar tank 1 through a U-shaped return bay 4.
Preferably, the third outlet 12 is connected to the second pump 5 by a pipe.
Preferably, the second pump 5 is connected with the cooler 6 through a pipeline.
Preferably, the cooler 6 is connected with a spraying pipe 9 arranged at the upper end of the distributor 8 through a pipeline.
Preferably, the distributor 8 is composed of a filler capable of forming voids, such as stones.
The structure of the utility model is simple and reasonable, the coking tail gas enters into the reaction tower from the tail gas pipeline inlet at the middle part of the water washing oil film tower and is evenly distributed in the tower through the distributor; pumping light tar in a light tar tank into a tower kettle through a pump, wherein the solution in the tower kettle is divided into an upper layer and a lower layer, the upper layer is the light tar, and the lower layer is the aqueous solution; a second outlet is formed in the side wall of the water-washing oil film tower on one side of the light tar layer, and when the liquid level of the light tar is too high, the light tar can flow back into the light tar tank through a U-shaped bay connected with the second outlet to complete circulation; the lateral wall of the water washing oil film tower of the aqueous solution layer is provided with a third outlet, the aqueous solution in the third outlet can reach the spray pipe at the top of the reaction tower through a cooler by a pump, the collision head arranged on the spray pipe sprays the aqueous solution uniformly in the reaction tower and contacts with coking tail gas from bottom to top in a distributor to wash the naphthalene in the tail gas, and the purified tail gas can enter the next process through the tail gas outlet at the top of the water washing tower.
The utility model relates to a novelty is reasonable, simple structure, and the practicality is strong, is suitable for using widely.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (8)
1. A washing oil film removes naphthalene equipment which characterized in that: the water-washing oil film naphthalene removing equipment consists of a light tar tank (1), a first pump (2), a water-washing oil film tower (3), a U-shaped reflux bay (4), a second pump (5) and a cooler (6),
a tail gas pipeline inlet (7) is formed in the middle of the water-washing oil film tower (3);
the upper part of the water-washing oil film tower (3) is provided with a distributor (8);
a spray pipe (9) is arranged at the upper end of the distributor (8), and a spray head is arranged on the spray pipe (9);
and a tail gas outlet (14) is arranged at the top of the water-washing oil film tower (3).
2. The water-washed oil film naphthalene removal device according to claim 1, characterized in that: the bottom of the light tar tank (1) is provided with a first outlet (10) which is connected with the first pump (2) through a pipeline.
3. The water-washed oil film naphthalene removal device according to claim 1, characterized in that: the middle part of one side of the tower kettle of the water-washing oil film tower is provided with a first inlet (13) which is connected with a first pump (2) through a pipeline; the other side of the tower bottom is provided with a second outlet (11) and a third outlet (12).
4. The water-washed oil film naphthalene removal device according to claim 3, characterized in that: the second outlet (11) is connected with the light tar tank (1) through a U-shaped backflow bay (4).
5. The water-washed oil film naphthalene removal device according to claim 3, characterized in that: the third outlet (12) is connected with the second pump (5) through a pipeline.
6. The water-washed oil film naphthalene removal device according to claim 1, characterized in that: the second pump (5) is connected with the cooler (6) through a pipeline.
7. The water-washed oil film naphthalene removal device according to claim 1, characterized in that: the cooler (6) is connected with a spray pipe (9) arranged at the upper end of the distributor (8) through a pipeline.
8. The water-washed oil film naphthalene removal device according to claim 1, characterized in that: the interior of the distributor (8) is filled with stones.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921195560.1U CN210874784U (en) | 2019-07-28 | 2019-07-28 | Washing oil film removes naphthalene equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921195560.1U CN210874784U (en) | 2019-07-28 | 2019-07-28 | Washing oil film removes naphthalene equipment |
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| Publication Number | Publication Date |
|---|---|
| CN210874784U true CN210874784U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921195560.1U Active CN210874784U (en) | 2019-07-28 | 2019-07-28 | Washing oil film removes naphthalene equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112569749A (en) * | 2020-11-20 | 2021-03-30 | 恩宜瑞(江苏)环境发展有限公司 | Device for pretreating oil-containing waste gas |
-
2019
- 2019-07-28 CN CN201921195560.1U patent/CN210874784U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112569749A (en) * | 2020-11-20 | 2021-03-30 | 恩宜瑞(江苏)环境发展有限公司 | Device for pretreating oil-containing waste gas |
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