CN209005562U - The exhaust gas processing device of polyolefin mixing silo - Google Patents
The exhaust gas processing device of polyolefin mixing silo Download PDFInfo
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- CN209005562U CN209005562U CN201821597090.7U CN201821597090U CN209005562U CN 209005562 U CN209005562 U CN 209005562U CN 201821597090 U CN201821597090 U CN 201821597090U CN 209005562 U CN209005562 U CN 209005562U
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- heating furnace
- mixing silo
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Abstract
The utility model provides a kind of exhaust gas processing device of polyolefin mixing silo, polyolefin refinery device has several mixing silos, the bottom of mixing silo is connected with degassing blower, exhaust line is connected at the top of mixing silo, the exhaust line connects combustion-supporting pipeline by bag filter, and the combustion-supporting pipeline reconnects the heating furnace.When use, air is passed through to the bottom of mixing silo by degassing blower, remove the VOC in mixing silo, and the removing gas containing VOC is summarized by the exhaust line at the top of feed bin, it is sent into bag filter, the dust in removing gas is removed, then is sent into heating furnace by combustion-supporting pipeline and is used as combustion air, makes VOC after-flame in heating furnace.The utility model only needs to increase degassing blower, bag filter and necessary pipeline, and VOC qualified discharge can be realized；Operating cost is not also greatly improved, therefore has very high economic value and social value.
Description
Technical field
The utility model relates to a kind of exhaust gas processing devices of polyolefin mixing silo.
Background technique
In the polyolefin device of petrochemical enterprise, in production section trade mark product, the emission of mixing silo
In, main component is air, wherein contain acetone, ethane, methane, etc. volatile organic compounds (abbreviation VOC), if VOC is dense
Degree is higher than environmental requirement, then needs to handle tail gas.
There are two types of existing exhaust gas treating methods.
One of method is to be passed through air in mixing silo exhaust emissions pipeline by dilution air, dilutes tail gas
In VOC concentration, so that concentration is reached environment protection emission requirement.
Second method is burned to tail gas, qualified discharge using heat accumulating type heating power incinerator (RTO).
However, above-mentioned first method, is diluted by dilution air, the concentration of VOC is merely reduced, VOC is not reduced
Total emission volumn；If VOC total amount is exceeded, qualified discharge still cannot achieve.
Above-mentioned second method, the high investment of heat accumulating type heating power incinerator (RTO) need to consume fuel gas, and equipment is thrown
Money and operating cost are very high.
Utility model content
The utility model provides a kind of exhaust gas processing device of polyolefin mixing silo, and the purpose is to be set too much not increasing
Under the premise of standby investment cost and operating cost, VOC qualified discharge is realized.
In order to achieve the above purposes, the technical solution adopted by the utility model is:
A kind of exhaust gas processing device of polyolefin mixing silo, polyolefin refinery device has several mixing silos, special
Sign is: the bottom of mixing silo is connected with degassing blower, and exhaust line, the exhaust line are connected at the top of mixing silo
It is connected to existing heating furnace in alkene refinery device.
The exhaust gas processing device of the polyolefin mixing silo, in which: the exhaust line is connected by bag filter
Combustion-supporting pipeline is connect, the combustion-supporting pipeline reconnects the heating furnace.
The exhaust gas processing device of the polyolefin mixing silo, in which: be additionally provided with air preheater on combustion-supporting pipeline.
The exhaust gas processing device of the polyolefin mixing silo, in which: also bypass has air blower on combustion-supporting pipeline, institute
State the air inlet that air blower connects with the combustion-supporting pipeline be located at the air preheater upstream and/or be located at the air it is pre-
The downstream of hot device.
The exhaust gas processing device of the polyolefin mixing silo, in which: the heating furnace is in ethylene cracker
The total feedstock oil heating furnace of pyrolysis furnace, catalytic cracking unit, feed back oil heating furnace feed heating furnace, sky in dehydrogenating propane device
Charging heating furnace in gas heating furnace, MTP device, the steam mistake in steam reformer or styrene device in device for producing hydrogen
Hot stove.
The utility model provides a kind of exhaust gas processing device of polyolefin mixing silo, it is only necessary to increase degassing blower, bag
Formula filter and necessary pipeline, can be realized VOC qualified discharge；Operating cost is not also greatly improved, therefore has very
High economic value and social value.
Detailed description of the invention
Fig. 1 is a kind of structure principle chart of the exhaust gas processing device of polyolefin mixing silo provided by the utility model.
Description of symbols: mixing silo 1；Deaerate blower 2；Exhaust line 3；Bag filter 4；Combustion-supporting pipeline 5；Heating
Furnace 6；Air blower 7；Air preheater 8.
Specific embodiment
As shown in Figure 1, a kind of exhaust gas processing device of polyolefin mixing silo provided by the utility model, polyolefin refinery
Device has several mixing silos 1, its main feature is that degassing blower 2 is connected in the bottom of mixing silo 1, in mixing silo 1
Top, which is equipped with, will contain the exhaust line 3 that the removing gas of VOC summarizes, and the exhaust line 3 connects combustion tube by bag filter 4
Line 5, the combustion-supporting pipeline 5 are connected to existing heating furnace 6 in alkene refinery device.
Wherein, also bypass has air blower 7 on combustion-supporting pipeline 5, to supplement the displacement of combustion air.In combustion-supporting pipeline 5
On be additionally provided with air preheater 8, efficiency of combustion can be improved.
When use, air is passed through to the bottom of mixing silo 1 by degassing blower 2, is removed in mixing silo 1
VOC, and the removing gas containing VOC is summarized by the exhaust line 3 at the top of feed bin, it is sent into bag filter 4, is removed in removing gas
Dust, then be sent into heating furnace 6 by combustion-supporting pipeline 5 and be used as combustion air, made VOC after-flame in heating furnace 6, realize VOC
Qualified discharge.
Wherein, heating furnace 6 can be selected nearby according to the actual situation, such as: the pyrolysis furnace in ethylene cracker；Catalysis is split
Total feedstock oil heating furnace, feed back oil heating furnace are set in makeup；Heating furnace, air-heating furnace are fed in dehydrogenating propane device；MTP dress
Charging heating furnace in setting；Steam reformer in device for producing hydrogen；Steam superheater in styrene device.
Wherein, the air inlet that the air blower 7 connects with the combustion-supporting pipeline 5 can be located at the upper of the air preheater 8
Trip, and/or positioned at the downstream of the air preheater 8.
As it can be seen that the utility model also provides a kind of exhaust gas treating method of polyolefin mixing silo 1, it is in mixing silo 1
Bottom be passed through air, remove VOC therein, and the removing pneumatic transmission containing VOC is entered into existing heating in polyolefin refinery device
It is used as combustion air in furnace 6, makes VOC after-flame in heating furnace 6, realizes VOC qualified discharge.
Wherein, the removing gas containing VOC preferably first passes through the dust removal process of bag filter 4, is re-fed into the heating
In furnace 6.
In conclusion the utility model provides a kind of exhaust gas processing device of polyolefin mixing silo 1, it is only necessary to increase de-
Gas blower 2, bag filter 4 and necessary pipeline, can be realized VOC qualified discharge；Operating cost is not also greatly improved,
Therefore there is very high economic value and social value.
It is described above to be merely exemplary for the utility model, and not restrictive, those of ordinary skill in the art
Understand, without departing from the spirit and scope defined by the claims, can many modifications may be made, variation or it is equivalent, but
It falls within the protection scope of the utility model.
Claims (5)
1. a kind of exhaust gas processing device of polyolefin mixing silo, polyolefin refinery device has several mixing silos, feature
Be: the bottom of mixing silo is connected with degassing blower, and exhaust line is connected at the top of mixing silo, and the exhaust line connects
It is connected to existing heating furnace in alkene refinery device.
2. the exhaust gas processing device of polyolefin mixing silo according to claim 1, it is characterised in that: the exhaust line
Combustion-supporting pipeline is connected by bag filter, the combustion-supporting pipeline reconnects the heating furnace.
3. the exhaust gas processing device of polyolefin mixing silo according to claim 2, it is characterised in that: on combustion-supporting pipeline
It is additionally provided with air preheater.
4. the exhaust gas processing device of polyolefin mixing silo according to claim 3, it is characterised in that: on combustion-supporting pipeline
Also bypass has air blower, and the air inlet that the air blower connects with the combustion-supporting pipeline is located at the upstream of the air preheater
And/or positioned at the downstream of the air preheater.
5. the exhaust gas processing device of polyolefin mixing silo according to claim 1, it is characterised in that: the heating furnace is
The total feedstock oil heating furnace of pyrolysis furnace, catalytic cracking unit in ethylene cracker, feed back oil heating furnace, dehydrogenating propane device
Middle charging heating furnace, air-heating furnace, charging heating furnace, the steam reformer in device for producing hydrogen or benzene second in MTP device
Steam superheater in alkene device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821597090.7U CN209005562U (en) | 2018-09-28 | 2018-09-28 | The exhaust gas processing device of polyolefin mixing silo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821597090.7U CN209005562U (en) | 2018-09-28 | 2018-09-28 | The exhaust gas processing device of polyolefin mixing silo |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209005562U true CN209005562U (en) | 2019-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821597090.7U Active CN209005562U (en) | 2018-09-28 | 2018-09-28 | The exhaust gas processing device of polyolefin mixing silo |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109126492A (en) * | 2018-09-28 | 2019-01-04 | 中国寰球工程有限公司 | The exhaust gas processing device and method of polyolefin mixing silo |
-
2018
- 2018-09-28 CN CN201821597090.7U patent/CN209005562U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109126492A (en) * | 2018-09-28 | 2019-01-04 | 中国寰球工程有限公司 | The exhaust gas processing device and method of polyolefin mixing silo |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210208 Address after: 100120 Xicheng District six paw Kang in Beijing City Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CHINA HUANQIU CONTRACTING & ENGINEERING Co.,Ltd. Address before: No.1, Chuangda 2nd Road, Laiguangying hi tech Industrial Park, Chaoyang District, Beijing, 100012 Patentee before: CHINA HUANQIU CONTRACTING & ENGINEERING Co.,Ltd. |
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| TR01 | Transfer of patent right |