CN212166926U - Asphalt smoke waste gas pretreatment system - Google Patents
Asphalt smoke waste gas pretreatment system Download PDFInfo
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- CN212166926U CN212166926U CN202020313399.XU CN202020313399U CN212166926U CN 212166926 U CN212166926 U CN 212166926U CN 202020313399 U CN202020313399 U CN 202020313399U CN 212166926 U CN212166926 U CN 212166926U
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- dust remover
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Abstract
The utility model discloses an asphalt smoke waste gas pretreatment systems, including dust remover and packed tower, asphalt smoke waste gas discharge pipe is connected to the inlet end of dust remover, the lower part of packed tower is equipped with the air inlet, and the top is equipped with the purification gas export. The air inlet is connected with the air outlet end of the dust remover through a pipeline, and an oil absorption layer, an oil discharge layer, a first demisting layer, a spraying layer and a second demisting layer are sequentially arranged above the air inlet inside the packed tower from bottom to top. The oil absorption layer is filled with oil absorption resin filler, and the side wall of the oil discharge layer of the filler tower is provided with an oil discharge port. And a spray head is arranged in the spray layer and is connected with the bottom of the packed tower through a spray pipe. The utility model provides a can reduce the waste gas pretreatment system of pitch cigarette waste gas oil content and dust content, this system compact structure, processing technology easy operation is convenient, safe and reliable, the working costs is low, deoiling and dust collection efficiency height.
Description
Technical Field
The utility model belongs to the technical field of the atmosphere pollution control, in particular to glance coal waste gas pretreatment system.
Background
Asphalt flue gas contains aromatic hydrocarbon, and also contains pollutants such as tar and particulate matters, the particulate matters and tar in the flue gas can influence the treatment efficiency of equipment such as RTO (room temperature vulcanization) and activated carbon boxes, and the particulate matters and tar are bonded on filter cotton, so that the efficiency is reduced, and the replacement is frequent.
Disclosure of Invention
In view of the above problem, an object of the present invention is to provide an asphalt smoke exhaust gas pretreatment system capable of reducing oil content and dust content of asphalt smoke exhaust gas, which solves the technical problem of low filtration efficiency of the filter with filter cotton in the prior art.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
the utility model provides an asphalt smoke waste gas pretreatment systems, includes dust remover and packed tower, asphalt smoke waste gas discharge pipe is connected to the inlet end of dust remover, the lower part of packed tower is equipped with the air inlet, and the top is equipped with the purification gas export, the air inlet pass through the pipeline with the end of giving vent to anger of dust remover links to each other. An oil absorption layer, an oil discharge layer, a first demisting layer, a spraying layer and a second demisting layer are sequentially arranged above the air inlet in the packed tower from bottom to top, oil absorption resin packing is filled in the oil absorption layer, and an oil discharge port is formed in the side wall of the oil discharge layer of the packed tower. And a spray head is arranged in the spray layer and is connected with the bottom of the packed tower through a spray pipe.
Preferably, the oil-absorbing resin filler is acrylate resin with the diameter of 1-1.5 mm.
Furthermore, the first demisting layer and the second demisting layer are both made of stainless steel wire meshes of 30-50 meshes.
Furthermore, an annular overflow weir is arranged at the top of the oil absorption resin filler in the oil discharge layer, an oil bead overflow area is formed between the annular overflow weir and the inner wall of the filler tower, and the oil discharge port is connected with the oil bead overflow area.
Furthermore, the dust remover is a cyclone dust remover, and a particle collecting hopper is arranged at the bottom of the cyclone dust remover.
The utility model discloses following beneficial effect has: the utility model provides a can reduce waste gas pretreatment system of pitch cigarette waste gas oil content and dust content, pitch cigarette waste gas is earlier through cyclone, and the particulate matter centrifugation is subsided to realize that the particulate matter separates from waste gas, the waste gas after the dust removal gets into and degreases in the packed tower, the resin packing has hydrophilic oleophylic group, organic matters such as tar adsorb on the resin surface and constantly gather the grow, final oiliness conglomeration come-up to packed tower upper portion and discharge. The system has compact structure, simple and convenient treatment process operation, safety, reliability, low operating cost and high oil and dust removal efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Description of the main component symbols: 1. a cyclone dust collector; 10. an asphalt smoke exhaust pipe; 101. an air inlet end; 102. an air outlet end; 103. a particulate matter collecting hopper; 2. a packed tower; 201. an air inlet; 202. a purified gas outlet; 21. an oil-absorbing resin filler; 22. an annular overflow weir; 220. an oil droplet overflow area; 221. an oil discharge port; 23. a shower head; 230. a shower pipe; 24. stainless steel wire mesh.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1, an asphalt smoke waste gas pretreatment system comprises a cyclone dust collector 1 and a packed tower 2, wherein an air inlet end 101 of the cyclone dust collector 1 is connected with an asphalt smoke waste gas discharge pipe 10, an air outlet end 102 is connected with the lower part of the packed tower 2 through a pipeline, and a particulate matter collecting hopper 103 is arranged at the bottom of the cyclone dust collector 1.
The lower part of the packed tower 2 is provided with an air inlet 201, and the top part is provided with a purified gas outlet 202. An oil absorption layer, an oil discharge layer, a first demisting layer, a spraying layer and a second demisting layer are sequentially arranged above the air inlet 201 inside the packed tower 2 from bottom to top. The oil absorption layer is filled with oil absorption resin filler 21, and the oil absorption resin filler 21 is acrylic resin with the diameter of 1 mm. An annular overflow weir 22 is arranged at the top of the oil-absorbing resin filler 21 in the oil discharge layer, an oil bead overflow area 220 is formed between the annular overflow weir 22 and the inner wall of the packed tower 2, and an oil discharge port 221 connected with the oil bead overflow area 220 is arranged on the side wall of the packed tower 2. The spray layer is internally provided with a spray head 23, and the spray head 23 is connected with the bottom of the packed tower 2 through a spray pipe 230. The first demisting layer and the second demisting layer are both stainless steel wire meshes 24 of 30-50 meshes.
The utility model discloses a theory of operation does: the asphalt smoke waste gas enters from the air inlet end of the cyclone dust collector 1, the air speed at the inlet is controlled to be 15-20 m/s, and after the asphalt smoke waste gas is dedusted by the cyclone dust collector 1, the treatment efficiency of 5 mu particles is close to 70%. The dedusted air flow enters a packed tower 2, waste gas enters from the lower part of the tower, spray water enters from the upper part of the tower, the liquid-gas ratio is 1: 1-1.5, oil organic matters are contacted with water and attached to an oil absorption resin filler 210, large particles are gradually formed and then float to the top of the oil absorption resin filler 210 and are discharged into an oil storage tank through an oil discharge port 221, the waste gas after oil absorption passes through two layers of stainless steel wire meshes 24, water vapor is intercepted, the humidity of the waste gas is reduced, and purified gas is discharged into an RTO from a purified gas outlet 202 for subsequent treatment.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. The utility model provides an asphalt fume exhaust gas pretreatment system which characterized in that: including dust remover and filled tower, the inlet end of dust remover is connected the pitch cigarette exhaust emission pipe, the lower part of filled tower is equipped with the air inlet, and the top is equipped with the purification gas outlet, the air inlet pass through the pipeline with the end of giving vent to anger of dust remover links to each other, filled tower is inside the top of air inlet is by supreme oil absorption layer, oil discharge layer, the first fog layer that removes, the layer of spraying and the second that removes fog layer of having set gradually down, the oil absorption layer intussuseption be filled with oil absorption resin and pack, filled tower is in the oil discharge mouth has been seted up on the lateral wall of oil discharge layer, the spraying in situ be equipped with the shower head, the shower head pass through the shower with the bottom of filled tower.
2. The asphalt smoke exhaust gas pretreatment system according to claim 1, wherein: the oil absorption resin filler is acrylate resin with the diameter of 1-1.5 mm.
3. The asphalt smoke exhaust gas pretreatment system according to claim 1, wherein: the first demisting layer and the second demisting layer are both stainless steel wire meshes of 30-50 meshes.
4. The asphalt smoke exhaust gas pretreatment system according to claim 1, wherein: an annular overflow weir is arranged at the top of the oil-absorbing resin filler in the oil discharge layer, an oil bead overflow area is formed between the annular overflow weir and the inner wall of the filler tower, and the oil discharge port is connected with the oil bead overflow area.
5. The asphalt smoke exhaust gas pretreatment system according to claim 1, wherein: the dust remover is a cyclone dust remover, and a particle collecting hopper is arranged at the bottom of the cyclone dust remover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020313399.XU CN212166926U (en) | 2020-03-13 | 2020-03-13 | Asphalt smoke waste gas pretreatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020313399.XU CN212166926U (en) | 2020-03-13 | 2020-03-13 | Asphalt smoke waste gas pretreatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212166926U true CN212166926U (en) | 2020-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020313399.XU Active CN212166926U (en) | 2020-03-13 | 2020-03-13 | Asphalt smoke waste gas pretreatment system |
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| CN (1) | CN212166926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113521950A (en) * | 2021-09-05 | 2021-10-22 | 湖南融城环保科技有限公司 | Asphalt regeneration tail gas treatment system |
-
2020
- 2020-03-13 CN CN202020313399.XU patent/CN212166926U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113521950A (en) * | 2021-09-05 | 2021-10-22 | 湖南融城环保科技有限公司 | Asphalt regeneration tail gas treatment system |
| CN113521950B (en) * | 2021-09-05 | 2021-11-19 | 湖南融城环保科技有限公司 | Asphalt regeneration tail gas treatment system |
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