CN211753928U - Hot regeneration facility of bituminous mixture plantmix and tail gas processing system - Google Patents
Hot regeneration facility of bituminous mixture plantmix and tail gas processing system Download PDFInfo
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- CN211753928U CN211753928U CN201921238496.0U CN201921238496U CN211753928U CN 211753928 U CN211753928 U CN 211753928U CN 201921238496 U CN201921238496 U CN 201921238496U CN 211753928 U CN211753928 U CN 211753928U
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Abstract
The utility model relates to a hot recycling equipment field of bituminous mixture plantmix, specificly relate to a hot recycling equipment tail gas treatment system of bituminous mixture plantmix. This kind of hot recycling equipment's of bituminous mixture plantmix tail gas processing system, including dust removal case, decomposition case, dust removal case and decomposition case connect gradually, the inlet scoop of draught fan is connected with the decomposition case and is used for introducing dust removal case, decomposition case in proper order the tail gas that the drying roller produced and discharges through following the air exit after decomposing. The utility model provides a hot regeneration facility of bituminous mixture plantmix and tail gas processing system, introduce the dust removal case in proper order with the tail gas that the drying roller produced, decompose the case and decompose the back and discharge from the air exit, the dust removal case guarantees to contain the sediment of the oily granule of pitch in the tail gas, tail gas behind the dust removal case decomposes the organic volatile gas in with tail gas in decomposing the case, guarantees to discharge into tail gas in the air for closing standard gas, avoids simultaneously producing the influence to native equipment thermal system, safe and reliable.
Description
Technical Field
The utility model relates to a hot recycling equipment field of bituminous mixture plantmix, specificly relate to a hot recycling equipment tail gas treatment system of bituminous mixture plantmix.
Background
The existing hot plant recycling equipment for asphalt mixture is used for heating asphalt reclaimed materials to soften asphalt so as to achieve the purpose of recycling. However, in the process of heating the asphalt reclaimed material, blue smoke harmful to organisms is generated due to the heating of the asphalt, and the blue smoke needs to be strictly controlled.
The prior method for filtering the tail gas of the regeneration equipment comprises the following steps: firstly, directly introducing liquid for filtration; secondly, a dust remover of the primary equipment is directly introduced; and thirdly, introducing a drying roller of the primary equipment for secondary combustion. The first method requires a large amount of available liquid, while the reliability of filtration is not high; the second method rapidly increases the dust removal capability of the primary equipment, and causes serious pollution to the primary dust remover; the third method has the advantages that under the action of the induced draft fan, the regenerated tail gas is directly introduced into the primary equipment for secondary combustion, the environment can be effectively protected, but because the waste gas contains the particle components wrapped with the asphalt, the particles enter the induced draft fan, the abrasion and high-speed rotation of the blades of the induced draft fan and friction fire are caused, and meanwhile, the tail gas is introduced into the primary equipment, so that the primary combustion system is inevitably influenced. If the particle components wrapped with the asphalt can not be effectively prevented from entering the draught fan, and the tail gas is effectively treated, the safety and reliability of the overall equipment can not be ensured.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the current regeneration facility tail gas that filters can't be handled completely, the utility model provides a hot regeneration facility of bituminous mixture plantmix and tail gas treatment system.
In order to solve the technical problem, the embodiment of the utility model provides an adopt following technical scheme: the utility model provides a hot regeneration facility's of bituminous mixture plantmix tail gas processing system, hot regeneration facility of bituminous mixture plantmix is including drying drum, tail gas processing system and the draught fan that has the exhaust emission end, its characterized in that: the tail gas processing system is connected with the exhaust emissions end of drying drum, the tail gas processing system including be arranged in making the tail gas contain the dust removal case of the precipitation of the oily granule of pitch, be arranged in decomposing the tail gas in organic volatile gas decomposition case, dust removal case and decomposition case connect gradually, the draught fan includes inlet scoop and air exit, the inlet scoop is connected with the decomposition case and is used for introducing dust removal case, decomposition case in proper order the tail gas that the drying drum produced and decompose the back through discharging from the air exit.
Further, still include regeneration smoke box, regeneration smoke box includes into mouth and outlet flue, the outlet flue communicates with drying drum's exhaust emissions end, the outlet flue communicates through first pipeline with the dust removal case.
Furthermore, the dust removal box is connected with the decomposition box through a second pipeline.
Further, the decomposition box includes box and tail gas decomposition box, be equipped with the air intake of being connected with the dust removal case on the box, the air outlet of being connected with the draught fan, the tail gas decomposition box sets up the organic volatile gas who contains in being arranged in decomposing the tail gas in the box.
Furthermore, an ionization device and an oxidation device are arranged in the tail gas decomposition box.
Furthermore, the ionization device and the oxidation device are sequentially arranged between the air inlet and the air outlet of the tail gas decomposition box.
Further, the ionization device comprises a low temperature plasma ionization device.
Further, the oxidizing means comprises TiO2Is a photocatalytic oxidizer of a catalyst.
The hot plant recycling equipment for the asphalt mixture is characterized by comprising the following steps: the tail gas treatment system comprises a drying roller, a burner and the tail gas treatment system, wherein the tail gas discharge end of the drying roller is connected with the tail gas treatment system, and the other end of the drying roller is connected with the drying roller.
Further, still include the passageway of airing exhaust, the passageway of airing exhaust communicates with the air exit of draught fan.
The utility model provides a pair of hot regeneration facility of bituminous mixture plantmix and tail gas processing system, through tail gas processing system and draught fan, introduce the dust removal case in proper order with the tail gas that the drying roller produced, decompose the case and decompose the back and discharge through following the air exit, the dust removal case guarantees to contain the sediment of the oily granule of pitch in the tail gas, tail gas after the dust removal case decomposes components such as organic volatility gas in the tail gas in decomposing the case, guarantee to discharge tail gas in the air for closing the mark gas, avoid simultaneously producing the influence to native equipment thermal system, safety and reliability.
Drawings
FIG. 1 is a schematic view of a plant-mixing hot recycling device for asphalt mixture in an embodiment of the present invention;
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, the plant mixing heat regeneration equipment for the asphalt mixture comprises a drying roller 1, a combustor 2, a tail gas treatment system 3, an induced draft fan 4 and an exhaust passage 5;
the tail gas discharge end of the drying roller 1 is connected with a tail gas treatment system 3, and the other end of the drying roller is connected with the drying roller 2;
the tail gas treatment system 3 comprises a regeneration smoke box 31, a first pipeline 32, a dust removal box 33, a second pipeline 34 and a decomposition box 35,
the regeneration smoke box 31 comprises a smoke inlet and a smoke outlet, the smoke inlet is communicated with the tail gas discharge end of the drying roller,
two ends of the first pipeline 32 are respectively communicated with the smoke outlet and the dust removal box 33;
an adsorption device or a spraying device is arranged in the dust removing box 33 and is used for precipitating oily particles containing asphalt in tail gas entering the dust removing box 33;
the second pipeline 34 connects the dust removing box 33 and the decomposition box 35 in sequence;
The induced draft fan 4 comprises an air suction opening and an air outlet, the air suction opening is connected with the decomposition box 35 and used for introducing tail gas generated by the drying roller 1 into the regeneration smoke box 31, the dust removal box 32 and the decomposition box 35 in sequence and discharging the tail gas from the air outlet after decomposition;
and the exhaust channel 5 is communicated with an exhaust outlet of the induced draft fan 4 and used for exhausting the treated tail gas.
Referring to fig. 1, the plant mixing hot recycling equipment for the asphalt mixture has the following working conditions:
when the plant-mixed hot recycling equipment for the asphalt mixture works, the combustor 2 provides a heat source to heat the asphalt reclaimed material, so that the asphalt component of the asphalt reclaimed material is softened to achieve the purpose of recycling;
the tail gas is generated in the drying roller 2, the tail gas mainly comprises blue smoke, particles wrapped with asphalt and the like, and the tail gas is discharged from a chimney 9 through an induced draft fan 8 after sequentially passing through a regeneration smoke box 31, a first pipeline 32, a dust removal box 33, a second pipeline 34 and a decomposition box 35 of a tail gas treatment system 3 under the action of negative pressure of the induced draft fan 4;
the tail gas is wrapped with particle components attached with asphalt, the tail gas is collected under the action of a regeneration smoke box 31, and under the action of a dust removal box 33, the asphalt particles in the tail gas can be effectively precipitated, so that the asphalt particles are prevented from entering a decomposition box 35 and an induced draft fan 4 to cause the reduction of the working reliability of the decomposition box 35 and the abrasion, high-speed rotation and friction fire of blades of the induced draft fan 4, and the safety and reliability of the work of the overall system are ensured;
the waste is decomposed in a decomposition box 35 by ionization and photocatalytic oxidation, the tail gas sequentially passes through an ionization device and an oxidation device in the decomposition box 35, the ionization device is a low-temperature plasma ionization device, the energy state of substance molecules in the tail gas is changed by the ionization device, namely the energy level of the molecules is changed, the molecules are excited from a low energy state to a high energy state, the change is quantized, chemical bonds of organic volatile gas are opened after the molecules are contacted with VOC, and stable and harmless micromolecules such as carbon dioxide, water and the like are finally generated through a series of complex chemical reactions; is oxidized to TiO2The photocatalytic oxidizer is a catalyst, is used for oxidizing organic pollutants in tail gas, even can thoroughly decompose some inorganic pollutants, has no problems of adsorption saturation and secondary pollution, ensures that the tail gas discharged into the air is a standard gas, and simultaneously avoids influencing a thermal system of primary equipment.
The above is only the preferred embodiment of the present invention, but the design concept of the present invention is not limited to this, and the present invention is to be modified immaterial by this concept, and all should belong to the act of infringing the protection scope of the present invention.
Claims (10)
1. The utility model provides a hot regeneration facility's of bituminous mixture plantmix tail gas processing system, hot regeneration facility of bituminous mixture plantmix is including drying drum, tail gas processing system and the draught fan that has the exhaust emission end, its characterized in that: the tail gas processing system is connected with the exhaust emissions end of drying drum, the tail gas processing system including be arranged in making the tail gas contain the dust removal case of the precipitation of the oily granule of pitch, be arranged in decomposing the tail gas in organic volatile gas decomposition case, dust removal case and decomposition case connect gradually, the draught fan includes inlet scoop and air exit, the inlet scoop is connected with the decomposition case and is used for introducing dust removal case, decomposition case in proper order the tail gas that the drying drum produced and decompose the back through discharging from the air exit.
2. The tail gas treatment system of the asphalt mixture plant-mixed hot recycling equipment according to claim 1, characterized in that: still include regeneration smoke box, regeneration smoke box is including advancing mouth and outlet flue, advance mouth and drying roller's exhaust emissions end intercommunication, the outlet flue communicates through first pipeline with the dust removal case.
3. The tail gas treatment system of the asphalt mixture plant-mixed hot recycling equipment according to claim 1, characterized in that: the dust removal box is connected with the decomposition box through a second pipeline.
4. The tail gas treatment system of the asphalt mixture plant-mixed hot recycling equipment according to claim 1, characterized in that: the decomposition box includes box and tail gas decomposition case, be equipped with the air intake of being connected with the dust removal case on the box, the air outlet of being connected with the draught fan, the tail gas decomposition case sets up the organic volatile gas who contains in being arranged in decomposing the tail gas in the box.
5. The tail gas treatment system of the asphalt mixture plant-mixed hot recycling equipment according to claim 4, characterized in that: and an ionization device and an oxidation device are arranged in the tail gas decomposition box.
6. The tail gas treatment system of the asphalt mixture plant-mixed hot recycling equipment according to claim 5, characterized in that: the ionization device and the oxidation device are sequentially arranged between the air inlet and the air outlet of the tail gas decomposition box.
7. The exhaust gas treatment system of the asphalt mix plant-mixed hot recycling apparatus according to claim 5 or 6, characterized in that: the ionization device comprises a low temperature plasma ionization device.
8. The exhaust gas treatment system of the asphalt mix plant-mixed hot recycling apparatus according to claim 5 or 6, characterized in that: the oxidizing means comprises TiO2Is a photocatalytic oxidizer of a catalyst.
9. The hot plant recycling equipment for the asphalt mixture is characterized by comprising the following steps: the tail gas treatment system comprises a drying roller, a burner and the tail gas treatment system of claims 1-8, wherein the tail gas discharge end of the drying roller is connected with the tail gas treatment system, and the other end of the drying roller is connected with the drying roller.
10. The asphalt mix plant hot recycling plant according to claim 9, characterized in that: still include the passageway of airing exhaust, the passageway of airing exhaust communicates with the air exit of draught fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921238496.0U CN211753928U (en) | 2019-08-01 | 2019-08-01 | Hot regeneration facility of bituminous mixture plantmix and tail gas processing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921238496.0U CN211753928U (en) | 2019-08-01 | 2019-08-01 | Hot regeneration facility of bituminous mixture plantmix and tail gas processing system |
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| CN211753928U true CN211753928U (en) | 2020-10-27 |
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| CN201921238496.0U Active CN211753928U (en) | 2019-08-01 | 2019-08-01 | Hot regeneration facility of bituminous mixture plantmix and tail gas processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114134782A (en) * | 2021-11-09 | 2022-03-04 | 杭州临安路桥工程有限公司 | Municipal administration is with bituminous mixture regeneration facility that has tail gas treatment function |
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2019
- 2019-08-01 CN CN201921238496.0U patent/CN211753928U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114134782A (en) * | 2021-11-09 | 2022-03-04 | 杭州临安路桥工程有限公司 | Municipal administration is with bituminous mixture regeneration facility that has tail gas treatment function |
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