CN205037318U - Pitch gas cleaning system among asphalt mixture mixing plant - Google Patents
Pitch gas cleaning system among asphalt mixture mixing plant Download PDFInfo
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- CN205037318U CN205037318U CN201520770706.6U CN201520770706U CN205037318U CN 205037318 U CN205037318 U CN 205037318U CN 201520770706 U CN201520770706 U CN 201520770706U CN 205037318 U CN205037318 U CN 205037318U
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- flue gas
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- stage filtration
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Abstract
The utility model relates to a pitch gas cleaning system among asphalt mixture mixing plant, its characterized in that: pitch flue gas collection device, washing deoiling tower, steam filter, multi -stage filtration purifier, draught fan, combustor and cylinder drier including the order setting, the flue gas inlet intercommunication of pitch flue gas collection device's exhanst gas outlet and washing deoiling tower, the exhanst gas outlet of washing deoiling tower pass through the access connection of pipeline and steam filter, the export of steam filter and multi -stage filtration purifier's flue gas inlet intercommunication, multi -stage filtration purifier's exhanst gas outlet and the induced air mouth of draught fan intercommunication, the air exit of draught fan and the air inlet of combustor rear end intercommunication, the flame burner port of combustor front end is arranged in the cylinder drier. The utility model discloses it is rational in infrastructure, can carry out closed circulation to the pitch flue gas and handle, the treatment effect is good, and the treatment effeciency is high, especially no longer need avoid causing secondary pollution to external exhaust emission mixture.
Description
Technical field
The utility model relates to a kind of asphalt flue gas treatment device, specifically bitumen flue gas is carried out to the asphalt smoke purifying system of closed cycle process, belongs to Environmental-protecting treater technical field.
Background technology
Pitch is mainly used in road pavement and buildings waterproof aspect.Asphalt mixing plant is when producing asphalt, the bitumen flue gas of a large amount of uncontrollable discharge can be produced, and bitumen flue gas is one of important pernicious gas of contaminated environment, containing a large amount of harmful substances such as tar, flue dust in bitumen flue gas, and great majority are carcinogenic or strong carcinogen, after these harmful substances enter human body by respiratory tract, very large harm can be brought to the healthy of people.So how to be carried out purifying by bitumen flue gas is the great difficult problem that current bituminous mixture producer faces.
Along with the progress of science and technology and the enhancing of people's environmental consciousness, the air quality of people to living environment is had higher requirement.Process for bitumen flue gas also becomes popular strong demand, but also not there is the asphalt smoke gas purifying equipment of integrated treatment function at present on the market, conventional is a kind of screen mesh type filtering type common apparatus, cannot remove the tar of aromatic hydrocarbons and heterocyclic compound that health exists carcinogenic risk with filter method.So existing equipment exists poor processing effect, treatment effeciency is low, and equipment daily maintenance workload is large, particularly still needs outwardly exhaust emission mixture, easily causes secondary pollution, from economy and point of view of practicability, still very undesirable.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of asphalt smoke purifying system is provided, it is rational in infrastructure, closed cycle process can be carried out to bitumen flue gas, treatment effect is good, treatment effeciency is high, particularly no longer needs outwardly exhaust emission mixture, avoids causing secondary pollution.
Technical scheme according to the utility model provides: the asphalt smoke purifying system in asphalt mixing plant, is characterized in that: comprise bitumen flue gas gathering-device, washing oil removing tower, water vapour filter, multi-stage filtration purifying device, air-introduced machine, burner and drying that order is arranged; The exhanst gas outlet of described bitumen flue gas gathering-device is communicated with the gas approach of washing oil removing tower, the exhanst gas outlet of washing oil removing tower is connected by the import of pipeline with water vapour filter, the outlet of described water vapour filter is communicated with the gas approach of multi-stage filtration purifying device, the described exhanst gas outlet of multi-stage filtration purifying device is communicated with the air-vent of air-introduced machine, the exhaust outlet of described air-introduced machine is communicated with the air inlet of burner rear end, and the flame combustion mouth of burner front end is placed in drying.
As further improvement of the utility model, described bitumen flue gas gathering-device comprises at least one tubular type collecting box, fume collection hole is provided with at the lower surface of tubular type collecting box, the outlet of described tubular type collecting box is communicated with same smoke collection pipe, the communicating passage of every root tubular type collecting box and smoke collection pipe is provided with electric switching valve, and the outlet of described smoke collection pipe is communicated with the air inlet of washing oil removing tower.
As further improvement of the utility model, described multi-stage filtration purifying device comprises casing, described casing side is provided with gas approach, opposite side is provided with exhanst gas outlet, the exit seal of described water vapour filter is arranged on casing and is provided with on the side of gas approach, in casing, be disposed with first order water vapour filter, second level plasma purifier and third level charcoal filter by gas approach side to exhanst gas outlet side, the side that described casing is provided with exhanst gas outlet is communicated with the air-vent of air-introduced machine by taper bucket.
compared with prior art, tool has the following advantages the utility model:
The utility model is rational in infrastructure, and can carry out closed cycle process to bitumen flue gas, treatment effect is good, and treatment effeciency is high, particularly no longer needs outwardly exhaust emission mixture, avoids causing secondary pollution.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Detailed description of the invention
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, the asphalt smoke purifying system in the asphalt mixing plant in embodiment is mainly made up of the bitumen flue gas gathering-device 1 sequentially arranged, washing oil removing tower 2, water vapour filter 4, multi-stage filtration purifying device 5, air-introduced machine 6, burner 7 and drying 8; The exhanst gas outlet of described bitumen flue gas gathering-device 1 is communicated with the gas approach of washing oil removing tower 2, the exhanst gas outlet of washing oil removing tower 2 is connected with the import of water vapour filter 4 by pipeline 3, the outlet of described water vapour filter 4 is communicated with the gas approach of multi-stage filtration purifying device 5, the exhanst gas outlet of described multi-stage filtration purifying device 5 is communicated with the air-vent of air-introduced machine 6, the exhaust outlet of described air-introduced machine 6 is communicated with the air inlet of burner 7 rear end, and the flame combustion mouth of burner 7 front end is placed in drying 8.
As shown in Figure 1, in the utility model embodiment, described bitumen flue gas gathering-device 1 is mainly made up of tubular type collecting box 1.1, smoke collection pipe 1.2 and electronic exploitation valve, described tubular type collecting box 1.1 has two-layer, fume collection hole is provided with at the lower surface of tubular type collecting box 1.1, the outlet of described tubular type collecting box 1.1 is communicated with same smoke collection pipe 1.2, every root tubular type collecting box 1.1 and the communicating passage of smoke collection pipe 1.2 are provided with electric switching valve 1.3, and the outlet of described smoke collection pipe 1.2 is communicated with the air inlet of washing oil removing tower 2.
As shown in Figure 1, in the utility model embodiment, described multi-stage filtration purifying device 5 is mainly by casing 5.1, first order water vapour filter 5.2, second level plasma purifier 5.3, third level charcoal filter 5.4 and taper bucket 5.5 form, described casing 5.1 side is provided with gas approach, opposite side is provided with exhanst gas outlet, the exit seal of described water vapour filter 4 is arranged on casing 5.1 and is provided with on the side of gas approach, first order water vapour filter 5.2 is disposed with by gas approach side to exhanst gas outlet side in casing 5.1, second level plasma purifier 5.3 and third level charcoal filter 5.4, the side that described casing 5.1 is provided with exhanst gas outlet is communicated with by the air-vent of taper bucket 5.5 with air-introduced machine 6.
During embody rule, under the effect of air-introduced machine 6, negative pressure is produced in tubular type collecting box 1.1 in bitumen flue gas gathering-device 1, bitumen flue gas is collected, the bitumen flue gas collected is successively through washing oil removing tower 2, water vapour filter 4 and multi-stage filtration purifying device 5, oil removing is realized through washing oil removing tower 2, steam in water vapour filter 4 filtering flue gas, and then in multi-stage filtration purifying device 5 together plasma cleaning with together with active carbon filtration, the burner 7 in asphalt mixing plant is sent into finally by air-introduced machine 6, finally in drying 8, high-temp combustion is clean, complete the purified treatment of a closed cycle form, namely the most effective environment protection emission function is reached without the need to increasing special burner 7.
Claims (3)
1. the asphalt smoke purifying system in asphalt mixing plant, is characterized in that: comprise the bitumen flue gas gathering-device (1) of order setting, washing oil removing tower (2), water vapour filter (4), multi-stage filtration purifying device (5), air-introduced machine (6), burner (7) and drying (8), the exhanst gas outlet of described bitumen flue gas gathering-device (1) is communicated with the gas approach of washing oil removing tower (2), the exhanst gas outlet of washing oil removing tower (2) is connected with the import of water vapour filter (4) by pipeline (3), the outlet of described water vapour filter (4) is communicated with the gas approach of multi-stage filtration purifying device (5), the exhanst gas outlet of described multi-stage filtration purifying device (5) is communicated with the air-vent of air-introduced machine (6), the exhaust outlet of described air-introduced machine (6) is communicated with the air inlet of burner (7) rear end, the flame combustion mouth of burner (7) front end is placed in drying (8).
2. the asphalt smoke purifying system in asphalt mixing plant as claimed in claim 1, it is characterized in that: described bitumen flue gas gathering-device (1) comprises at least one tubular type collecting box (1.1), fume collection hole is provided with at the lower surface of tubular type collecting box (1.1), the outlet of described tubular type collecting box (1.1) is communicated with same smoke collection pipe (1.2), every root tubular type collecting box (1.1) and the communicating passage of smoke collection pipe (1.2) are provided with electric switching valve (1.3), the outlet of described smoke collection pipe (1.2) is communicated with the air inlet of washing oil removing tower (2).
3. the asphalt smoke purifying system in asphalt mixing plant as claimed in claim 1, it is characterized in that: described multi-stage filtration purifying device (5) comprises casing (5.1), described casing (5.1) side is provided with gas approach, opposite side is provided with exhanst gas outlet, the exit seal of described water vapour filter (4) is arranged on casing (5.1) and is provided with on the side of gas approach, first order water vapour filter (5.2) is disposed with by gas approach side to exhanst gas outlet side in casing (5.1), second level plasma purifier (5.3), third level charcoal filter (5.4), the side that described casing (5.1) is provided with exhanst gas outlet is communicated with by the air-vent of taper bucket (5.5) with air-introduced machine (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520770706.6U CN205037318U (en) | 2015-09-30 | 2015-09-30 | Pitch gas cleaning system among asphalt mixture mixing plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520770706.6U CN205037318U (en) | 2015-09-30 | 2015-09-30 | Pitch gas cleaning system among asphalt mixture mixing plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205037318U true CN205037318U (en) | 2016-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520770706.6U Expired - Fee Related CN205037318U (en) | 2015-09-30 | 2015-09-30 | Pitch gas cleaning system among asphalt mixture mixing plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205037318U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157045A (en) * | 2015-09-30 | 2015-12-16 | 无锡锡通工程机械有限公司 | Asphalt smoke purifying system in asphalt mixture stirring device |
-
2015
- 2015-09-30 CN CN201520770706.6U patent/CN205037318U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157045A (en) * | 2015-09-30 | 2015-12-16 | 无锡锡通工程机械有限公司 | Asphalt smoke purifying system in asphalt mixture stirring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160217 Termination date: 20190930 |