CN214075640U - Waste gas treatment device for asphalt production - Google Patents
Waste gas treatment device for asphalt production Download PDFInfo
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- CN214075640U CN214075640U CN202022901674.2U CN202022901674U CN214075640U CN 214075640 U CN214075640 U CN 214075640U CN 202022901674 U CN202022901674 U CN 202022901674U CN 214075640 U CN214075640 U CN 214075640U
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Abstract
The utility model relates to a field of exhaust-gas treatment equipment, especially, relate to a waste gas treatment device of pitch production, it includes the cooling water tank, cooling water tank one side is provided with the intake pipe, be provided with the fan that is arranged in the cooling water tank outside being used for with the waste gas pumping in the cooling water tank in the intake pipe, the one end that the fan was kept away from to the intake pipe stretches into in the water of cooling water tank and near the water surface, cooling water tank one side is provided with the wash tank that loads the organic solution, cooling water tank has the air duct with the intercommunication of wash tank, the one end that the air duct is close to the cooling water tank is located the top of cooling water tank water, the other end of air duct runs through and stretches into in the liquid of wash tank and near the surface of liquid, it has the blast pipe still to communicate on the wash tank, the blast pipe is located the top of liquid in the wash tank. This application has the treatment effect that improves pitch waste gas, ensures that pitch waste gas can be better reach emission standard's effect.
Description
Technical Field
The application relates to the field of waste gas treatment equipment, in particular to a waste gas treatment device for asphalt production.
Background
In the production process of various asphalt-based waterproof materials, asphalt needs to be heated and conveyed, and asphalt mixtures meeting various process requirements are prepared for production and use. During this process, a large amount of pitch offgas is produced. The asphalt waste gas contains various organic matters including carbocyclic hydrocarbon, cyclic hydrocarbon derivatives and other compounds, which have harmful effects on human health, and contains various polycyclic aromatic hydrocarbon substances such as benzopyrene, benzanthracene, carbazole and the like, and most of the polycyclic aromatic hydrocarbon substances are carcinogenic and strong carcinogenic substances. Therefore, it is very necessary to purify and treat the asphalt waste gas to ensure that the emission meets the atmospheric environmental standard.
When discharging pitch waste gas, pitch waste gas's emission needs to reach atmospheric emission standard, then needs handle pitch waste gas, also need reach the environmental protection requirement at the in-process of handling pitch waste gas, but current mode to pitch waste gas treatment is single, and the effect of handling is not obvious, leads to pitch waste gas's emission not up to standard.
SUMMERY OF THE UTILITY MODEL
In order to improve the treatment effect to pitch waste gas, ensure that pitch waste gas can be better reach emission standard, this application provides a waste gas treatment device of pitch production.
The application provides a waste gas treatment device of pitch production adopts following technical scheme:
the utility model provides a waste gas treatment device of pitch production, includes the cooling water tank, cooling water tank one side is provided with the intake pipe, be provided with in the intake pipe and be located being used for in the cooling water tank outside insufflates waste gas pumping fan in the cooling water tank, the intake pipe is kept away from the one end of fan stretches into in the water of cooling water tank and be close to the water surface, cooling water tank one side is provided with the wash tank that the loading has organic solution, the cooling water tank with the intercommunication of wash tank has the air duct, the air duct is close to the one end of cooling water tank is located the top of the water in the cooling water tank, the other end of air duct runs through and stretches into in the liquid of wash tank and be close to the surface of liquid, it has the blast pipe still to communicate on the wash tank, the blast pipe is located the top of liquid in the wash tank.
By adopting the technical scheme, when the device works, the fan is used for pumping and blowing the waste gas into the flow distribution plate along the air inlet pipe, the waste gas is contacted with the water, bubbles are blown on the water surface and then enter the upper part of the water body of the cooling water tank, and in the process, the water body cools the waste gas and melts water-soluble harmful gas and dust in the waste gas into the water body; after the cooled waste gas is accumulated in the cooling water tank, after the pressure in the cooling water tank is increased, the waste gas is fully contacted with the organic solution in the washing tank along the gas guide pipe again, so that polycyclic aromatic hydrocarbon substances in the waste gas are dissolved in the organic solvent, and then the waste gas is discharged through the exhaust pipe.
Preferably, one end of the air inlet pipe, which is positioned in the cooling water tank, is provided with a first airflow splitting structure, one end of the air guide pipe, which is positioned in the washing tank, is provided with a second airflow splitting structure, and the first airflow splitting structure and the second airflow splitting structure are identical in structure.
Through adopting above-mentioned technical scheme, utilize first air current reposition of redundant personnel structure and second air current reposition of redundant personnel structure can shunt waste gas to make waste gas can be more abundant contact with water and organic solution, and then reach better treatment effect.
Preferably, first air current reposition of redundant personnel structure includes the flow distribution plate, the flow distribution plate is close to the one end of intake pipe is provided with the connector, the flow distribution plate is kept away from be provided with the shunt tubes of the common intercommunication connector of a plurality of on the side of intake pipe, the shunt tubes stretches into in the water.
Through adopting above-mentioned technical scheme, waste gas passes through the connector along the intake pipe and gets into the flow distribution plate, then enters into the water through a plurality of shunt tubes to the completion is to the reposition of redundant personnel of waste gas.
Preferably, the flow distribution plate is provided with a connecting plate, and the connecting plate is fixedly connected with the inner side wall of the cooling water tank.
Through adopting above-mentioned technical scheme, the setting of connecting plate is with flow distribution plate fixed connection on cooling water tank, avoids appearing rocking the phenomenon because of the change of waste gas and all liquid levels in operating condition flow distribution plate, from the reliability that improves a stable festival device of flow distribution plate.
Preferably, a photocatalytic oxidation device is further communicated between the exhaust pipe and the washing tank, a connecting pipe is communicated between the washing tank and the photocatalytic oxidation device, and the connecting pipe is located above liquid in the washing tank.
By adopting the technical scheme, residual polycyclic aromatic hydrocarbon substances in the gas can be further degraded by the photocatalytic oxidation equipment, so that the effect on the waste gas is further improved.
Preferably, cooling water tank one side is provided with first fluid infusion subassembly, wash tank one side is provided with the second fluid infusion subassembly, first fluid infusion subassembly with the second fluid infusion subassembly structure is the same.
Through adopting above-mentioned technical scheme, improve first fluid infusion subassembly and second fluid infusion subassembly and can in time supply cooling water and supply organic solution to the washing case in to the cooling water tank to ensure that the device can work for a long time.
Preferably, first fluid infusion subassembly including set up in liquid level inductor in the cooling water tank and set up in the liquid reserve tank of cooling water tank one side, liquid reserve tank one side intercommunication has the water pump, the play water end intercommunication of water pump has the fluid infusion pipe, the fluid infusion pipe runs through the cooling water tank and follows the surface of the water stretches into to the water bottom in the cooling water tank.
Through adopting above-mentioned technical scheme, the during operation, when the liquid level of water descends certain limit, and the liquid level of water is not less than the gas outlet of shunt tubes always, liquid level inductor control water pump with water pumping supply to cooling water tank in, so can carry out the fluid infusion to cooling water tank automatically.
Preferably, the cooling water tank and the bottom of washing case all are provided with the liquid changing pipe, be provided with the valve on the liquid changing pipe.
Through adopting above-mentioned technical scheme, can discharge waste water and change new day through opening the valve after long-time work to guarantee the treatment effect to waste gas.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the water cooling device works, the fan is used for pumping and blowing the waste gas into the flow distribution plate along the air inlet pipe, the waste gas is contacted with the water, bubbles are blown on the water surface and then enter the upper part of the water body of the water cooling tank, and in the process, the water body cools the waste gas and melts water-soluble harmful gas and dust in the waste gas into the water body; after the cooled waste gas is accumulated in the cooling water tank, the pressure in the cooling water tank is increased, the waste gas is fully contacted with the organic solution in the washing tank along the gas guide pipe again, so that polycyclic aromatic hydrocarbon substances in the waste gas are dissolved in the organic solvent, and then the waste gas is discharged through the exhaust pipe;
2. the first airflow splitting structure and the second airflow splitting structure can be used for splitting the waste gas, so that the waste gas can be more fully contacted with water and organic solution, and a better treatment effect is achieved;
3. the residual polycyclic aromatic hydrocarbon substances in the gas can be further degraded through the photocatalytic oxidation equipment, so that the effect on the waste gas is further improved.
Drawings
Fig. 1 is a schematic view of the overall structure of an embodiment of an exhaust gas treatment apparatus for asphalt production according to the present application.
Fig. 2 is a schematic diagram of an internal structure of a cooling water tank in an embodiment of an exhaust gas treatment device for asphalt production.
Description of reference numerals: 1. a cooling water tank; 11. an air inlet pipe; 2. a fan; 3. a first airflow splitting arrangement; 31. a flow distribution plate; 32. a connecting port; 33. a shunt tube; 34. a connecting plate; 35. a bolt; 4. a first fluid infusion assembly; 41. a liquid level sensor; 42. a liquid storage tank; 43. a water pump; 44. a liquid supplementing pipe; 5. a washing tank; 51. an air duct; 6. a second fluid infusion assembly; 7. a photocatalytic oxidation device; 71. a connecting pipe; 72. an exhaust pipe; 8. a liquid changing pipe; 81. and (4) a valve.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses exhaust treatment device of pitch production. Referring to fig. 1 and 2, the exhaust treatment device of pitch production includes cooling water tank 1, is loaded with the cooling water in cooling water tank 1, and cooling water tank 1 one side intercommunication is provided with intake pipe 11, is provided with the fan 2 that is arranged in being used for in cooling water tank 1 outside with waste gas pumping blowing in cooling water tank 1 that is located in the intake pipe 11, and the one end that fan 2 was kept away from in intake pipe 11 stretches into cooling water tank 1's the water and is close to the water surface.
Referring to fig. 2, one end of the air inlet pipe 11 in the cooling water tank 1 is provided with a first airflow splitting structure 3, specifically, the first airflow splitting structure 3 includes a horizontally arranged splitter plate 31, a connector 32 is arranged at a middle position of one end of the splitter plate 31 close to the air inlet pipe 11, a plurality of splitter pipes 33 which are commonly connected to the connector 32 are vertically arranged on a side of the splitter plate 31 far away from the air inlet pipe 11, the splitter pipes 33 extend into the water body, in this embodiment, the splitter pipes 33 can be set to just completely sink into the water body, a height range of the splitter pipes 33 is between 3 CM and 6CM, and a height of the splitter pipes 33 can be 5 CM.
Referring to fig. 2, in order to improve the stability of the flow distribution plate 31 and ensure the reliability of the device, L-shaped connection plates 34 are fixedly connected to both opposite sides of the flow distribution plate 31, and one side surface of the connection plate 34 away from the flow distribution plate 31 is attached to the inner side wall of the cooling water tank 1 and fixedly connected thereto by bolts 35. In this embodiment, the number of the connecting plates 34 on each side may be two, and two connecting plates 34 are provided at intervals, and two connecting plates 34 are located at the middle position of the side of the flow dividing plate 31.
Referring to fig. 1 and 2, in addition, a first fluid infusion assembly 4 is further disposed on one side of the cooling water tank 1 away from the air inlet pipe 11, specifically, the first fluid infusion assembly 4 includes a fluid level sensor 41 disposed on an inner side wall of the cooling water tank 1 and a fluid storage tank 42 disposed on one side of the cooling water tank 1. Wherein, liquid level sensor 41 is located the top of water and contacts with the surface of water, and liquid reserve tank 42 one side intercommunication has water pump 43, and the play water end intercommunication of water pump 43 has fluid infusion pipe 44, and fluid infusion pipe 44 runs through cooling water tank 1 and stretches into to the water from the surface of cooling water tank 1 water, and fluid infusion pipe 44 is located the export in the water and is close to the bottom of cooling water tank 1. When the device works, when the liquid level of the water body is reduced within a certain range and the liquid level of the water body is not lower than the air outlet of the shunt pipe 33, the liquid level sensor 41 controls the water pump 43 to pump and supplement water into the cooling water tank 1, so that the device can work for a long time.
Referring to fig. 1 and fig. 2, one side of cooling water tank 1 far from intake pipe 11 is provided with the washing tank 5 that loads with organic solution, cooling water tank 1 has air duct 51 with the intercommunication of washing tank 5, the one end that air duct 51 is close to cooling water tank 1 is located the top of cooling water tank 1 middle water body, the other end of air duct 51 runs through and stretches into in the liquid of washing tank 5 and be close to the surface of liquid, and simultaneously, be provided with second air current reposition of redundant personnel structure (not shown in the figure) in the one end that air duct 51 is located washing tank 5, first air current reposition of redundant personnel structure 3 is the same with second air current reposition of redundant personnel structure, and no longer repeated here. In addition, a second fluid infusion assembly 6 is further disposed on one side of the washing tank 5 away from the cooling water tank 1, and the first fluid infusion assembly 4 and the second fluid infusion assembly 6 have the same structure, which is not described herein again.
Referring to fig. 1, a photocatalytic oxidation device 7 is further communicated between the exhaust pipe 72 and the washing tank 5, and the residual polycyclic aromatic hydrocarbon substances in the gas are further degraded by the photocatalytic oxidation device 7, so that the effect on the exhaust gas is further improved. The washing box 5 is communicated with the photocatalytic oxidation device 7 through a connecting pipe 71, the connecting pipe 71 is positioned above liquid in the washing box 5, the side face, far away from the washing box 5, of the photocatalytic oxidation device 7 is provided with an exhaust pipe 72, and the exhaust pipe 72 discharges qualified exhaust gas up to the standard.
Referring to fig. 1 and 2, in addition, a liquid change pipe 8 is provided at the bottom of each of the cooling water tank 1 and the washing tank 5, and a valve 81 is provided on the liquid change pipe 8, so that waste water can be discharged and replaced by a new day by opening the valve 81 after a long time operation, thereby ensuring the treatment effect on waste gas.
The implementation principle of the waste gas treatment device for asphalt production in the embodiment of the application is as follows: when the water cooling device works, the fan 2 is used for pumping and blowing the waste gas into the flow distribution plate 31 along the air inlet pipe 11, the waste gas is distributed on the flow distribution plate 31 through the plurality of flow distribution pipes 33 and then contacts with water, bubbles are blown on the water surface and then enter the upper part of the water body of the water cooling tank 1, and in the process, the water body fully cools the waste gas and dissolves water-soluble harmful gas and dust in the waste gas into the water body; after the cooled waste gas is accumulated in the cooling water tank 1, after the pressure in the cooling water tank 1 is increased, the waste gas is fully contacted with the organic solution in the washing tank 5 through the second shunting structure along the gas guide pipe 51 again, so that polycyclic aromatic hydrocarbon substances in the waste gas are dissolved in the organic solvent, and then the waste gas is discharged after being further treated by the photocatalytic oxidation equipment 7.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a waste gas treatment device of pitch production which characterized in that: including cooling water tank (1), cooling water tank (1) one side is provided with intake pipe (11), be provided with in intake pipe (11) and be located being used for in the cooling water tank (1) outside insufflates waste gas pumping fan (2) in cooling water tank (1), intake pipe (11) are kept away from the one end of fan (2) stretches into in the water of cooling water tank (1) and be close to the water surface, cooling water tank (1) one side is provided with washing tank (5) that the loading has organic solution, cooling water tank (1) with the intercommunication of washing tank (5) has air duct (51), air duct (51) are close to the one end of cooling water tank (1) is located the top of water in cooling water tank (1), the other end of air duct (51) runs through and stretches into in the liquid of washing tank (5) and be close to the surface of liquid, an exhaust pipe (72) is further communicated with the washing tank (5), and the exhaust pipe (72) is located above the liquid in the washing tank (5).
2. The exhaust gas treatment device for asphalt production according to claim 1, characterized in that: one end that intake pipe (11) are located in cooling water tank (1) is provided with first air current reposition of redundant personnel structure (3), air duct (51) are located one of wash tank (5) is served and is provided with second air current reposition of redundant personnel structure, first air current reposition of redundant personnel structure (3) with second air current reposition of redundant personnel structure is the same.
3. The exhaust gas treatment device for asphalt production according to claim 2, characterized in that: first air current flow distribution structure (3) are including flow distribution plate (31), flow distribution plate (31) are close to the one end of intake pipe (11) is provided with connector (32), flow distribution plate (31) are kept away from be provided with shunt tubes (33) of a plurality of intercommunication connector (32) jointly on the side of intake pipe (11), shunt tubes (33) stretch into in the water.
4. An exhaust gas treatment apparatus for asphalt production according to claim 3, characterized in that: a connecting plate (34) is arranged on the flow distribution plate (31), and the connecting plate (34) is fixedly connected with the inner side wall of the cooling water tank (1).
5. The exhaust gas treatment device for asphalt production according to claim 1, characterized in that: the device is characterized in that a photocatalytic oxidation device (7) is further communicated between the exhaust pipe (72) and the washing box (5), a connecting pipe (71) is communicated between the washing box (5) and the photocatalytic oxidation device (7), and the connecting pipe (71) is positioned above liquid in the washing box (5).
6. The exhaust gas treatment device for asphalt production according to claim 1, characterized in that: cooling water tank (1) one side is provided with first fluid infusion subassembly (4), wash tank (5) one side is provided with second fluid infusion subassembly (6), first fluid infusion subassembly (4) with second fluid infusion subassembly (6) structure is the same.
7. The exhaust gas treatment device for asphalt production according to claim 6, characterized in that: first fluid infusion subassembly (4) including set up in liquid level inductor (41) in cooling water tank (1) and set up in liquid reserve tank (42) of cooling water tank (1) one side, liquid reserve tank (42) one side intercommunication has water pump (43), the play water end intercommunication of water pump (43) has fluid infusion pipe (44), fluid infusion pipe (44) run through cooling water tank (1) and follow the surface of cooling water tank (1) well water stretches into to the water bottom.
8. The exhaust gas treatment device for asphalt production according to claim 6, characterized in that: the cooling water tank (1) with the bottom of washing box (5) all is provided with liquid changing pipe (8), be provided with valve (81) on liquid changing pipe (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022901674.2U CN214075640U (en) | 2020-12-03 | 2020-12-03 | Waste gas treatment device for asphalt production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022901674.2U CN214075640U (en) | 2020-12-03 | 2020-12-03 | Waste gas treatment device for asphalt production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214075640U true CN214075640U (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022901674.2U Active CN214075640U (en) | 2020-12-03 | 2020-12-03 | Waste gas treatment device for asphalt production |
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|---|---|
| CN (1) | CN214075640U (en) |
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2020
- 2020-12-03 CN CN202022901674.2U patent/CN214075640U/en active Active
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