CN103446842A - Tail gas treatment device for MAQ-ME (R-(+)-2-(4-Hydroxyphenoxy) drying - Google Patents
Tail gas treatment device for MAQ-ME (R-(+)-2-(4-Hydroxyphenoxy) drying Download PDFInfo
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- CN103446842A CN103446842A CN2013103850179A CN201310385017A CN103446842A CN 103446842 A CN103446842 A CN 103446842A CN 2013103850179 A CN2013103850179 A CN 2013103850179A CN 201310385017 A CN201310385017 A CN 201310385017A CN 103446842 A CN103446842 A CN 103446842A
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- tail gas
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- drying
- vacuum pump
- condenser
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Abstract
The invention discloses a tail gas treatment device for MAQ-ME (R-(+)-2-(4-Hydroxyphenoxy) drying. The tail gas treatment device is mounted at a tail gas outlet of a bipyramid rotary drier for MAQ-ME drying. Specifically, the tail gas treatment device comprises an oil-free vacuum pump, a depth condenser, a solvent receiver and a tail gas discharge condenser, wherein one end of the oil-free vacuum pump is connected with the tail gas outlet of the bipyramid rotary drier; a vacuum pump guide tube which is connected with the top part of the solvent receiver is arranged at the other end of the oil-free vacuum pump; the depth condenser is arranged on the vacuum pump guide tube; a tail gas discharge channel is formed in the other side of the top part of the solvent receiver; and the tail gas discharge condenser is arranged in the tail gas discharge channel. By utilizing the tail gas treatment device disclosed by the invention, air is prevented from entering the MAQ-ME drier, so that a product is effectively prevented from being oxidized, the product quality is improved, and the energy consumption of the product is reduced; and meanwhile moisture and methylbenzene evaporated from the product are treated, therefore the purity degree of the product is improved, the methylbenzene is recycled, and the pollution of a methylbenzene tail gas to the atmosphere is reduced.
Description
Technical field
The present invention relates to a kind of exhaust gas processing device, relate in particular to the exhaust gas processing device of a kind of MAQ-ME of being applied to, mainly belong to the technical field of chemical industry equipment.
Background technology
R-(+)-2-(4-hydroxyphenoxy) methyl propionate, chemistry MAQ-ME by name, the manufacture of MAQ-ME completes through synthetic reaction, washing, layering, crystallization, the operation such as centrifugal.Contain certain moisture and solvent toluene after product is centrifugal, product quality requires moisture to be less than 0.3%, and toluene level is less than 0.5%, so require product just can meet quality standard through drying process.Original drying equipment is pellet type atmospheric box type drying oven, drying time is long, although the product moisture of drying, the content of toluene can reach requirement, but solvent toluene evaporate in atmosphere and causes atmosphere pollution, and the product loss is large, the dehumidified blower fan of partial material is blown in atmosphere, also causes atmosphere pollution; Due to be exposed in air and drying time long, product is easily oxidized, causes the outward appearance flavescence of product.
In prior art, this has been made improvement, adopted the bipyramid rotary drier to carry out drying, tail gas detaches discharge by vacuum pipe, but still contains part toluene in tail gas except steam, to atmosphere, can pollute.
Summary of the invention
The object of the invention is to propose a kind of exhaust gas processing device for the MAQ-ME drying.
Above-mentioned purpose of the present invention will be achieved by the following technical programs: for the exhaust gas processing device of MAQ-ME drying, be installed in the tail gas outlet of the bipyramid rotary drier of MAQ-ME drying, it is characterized in that: described exhaust gas processing device comprises oilless vacuum pump, deep condenser, solvent recipient and exhaust emissions condenser, tail gas outlet and the other end that described oilless vacuum pump one end connects the bipyramid rotary drier are provided with the vavuum pump conduit that is connected to solvent recipient top, described deep condenser is located on the vavuum pump conduit, the another side in the top of described solvent recipient is provided with the exhaust emissions passage, described exhaust emissions condenser is installed in the exhaust emissions passage.
Further, described buffer is arranged between the tail gas outlet and oilless vacuum pump of bipyramid rotary drier.
Apply exhaust gas processing device of the present invention, can prevent that air from entering the drier of MAQ-ME, effectively suppress product oxidized, improved product quality, reduced product consumption, the moisture simultaneously product evaporated and toluene detach to be processed, and has improved on the one hand the pure degree of product, reclaim on the other hand toluene, reduced the pollution to atmosphere containing toluene tail gas.
The accompanying drawing explanation
Fig. 1 is the structural representation of the present invention for the exhaust gas processing device of MAQ-ME drying.
The specific embodiment
Following constipation closes the embodiment accompanying drawing, the specific embodiment of the present invention is described in further detail, so that technical solution of the present invention is easier to understand, grasp.
As shown in Figure 1, for the exhaust gas processing device of MAQ-ME drying, be installed in the tail gas outlet of the bipyramid rotary drier 1 of MAQ-ME drying.From technical characterictic, this exhaust gas processing device comprises oilless vacuum pump 2, deep condenser 3, solvent recipient 4 and exhaust emissions condenser 5.The tail gas that wherein these oilless vacuum pump 2 one ends connect bipyramid rotary drier 1 exports and the other end is provided with the vavuum pump conduit 6 that is connected to solvent recipient top, and deep condenser 3 just is located on this vavuum pump conduit 6, the another side in the top of this solvent recipient 4 is provided with exhaust emissions passage 7, and exhaust emissions condenser 5 is installed in exhaust emissions passage 7.Realize that thus vacuum to tail gas detaches, multiple condensation cleaning.
In addition, for optimizing this device, exhaust gas processing device also is provided with buffer 8, and buffer 8 one ends connect the tail gas outlet of bipyramid rotary drier 1, and the other end connects oilless vacuum pump 2.
During concrete enforcement, open oilless vacuum pump, the tail gas that the bipyramid rotary drier produces passes through buffer buffers, partial tail gas reclaims, and then residual exhaust carries out first step condensation by vavuum pump conduit penetration depth condenser, and after condensation, liquid enters the solvent recipient, tail gas remaining after first step condensation carries out the second step condensation through the exhaust emissions condenser again, after condensation, liquid flows back to the solvent recipient, and the tail gas that final condensation finishes not containing formaldehyde, can be discharged along exhaust gas channel substantially.
By above-mentioned character express, can find out, beneficial effect of the present invention: apply exhaust gas processing device of the present invention, can prevent that air from entering the drier of MAQ-ME, effectively suppress product oxidized, improved product quality, reduced product consumption, the moisture simultaneously product evaporated and toluene detach to be processed, improve on the one hand the pure degree of product, reclaimed on the other hand toluene, reduced the pollution to atmosphere containing toluene tail gas.
In addition to the implementation, the present invention can also have other embodiment.All employings are equal to the technical scheme of replacement or equivalent transformation formation, within all dropping on the present invention's scope required for protection.
Claims (2)
1. for the exhaust gas processing device of MAQ-ME drying, be installed in the tail gas outlet of the bipyramid rotary drier of MAQ-ME drying, it is characterized in that: described exhaust gas processing device comprises oilless vacuum pump, deep condenser, solvent recipient and exhaust emissions condenser, tail gas outlet and the other end that described oilless vacuum pump one end connects the bipyramid rotary drier are provided with the vavuum pump conduit that is connected to solvent recipient top, described deep condenser is located on the vavuum pump conduit, the another side in the top of described solvent recipient is provided with the exhaust emissions passage, described exhaust emissions condenser is installed in the exhaust emissions passage.
2. according to claim 1 for the exhaust gas processing device of MAQ-ME drying, it is characterized in that: described exhaust gas processing device is provided with buffer, and described buffer is arranged between the tail gas outlet and oilless vacuum pump of bipyramid rotary drier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310385017.9A CN103446842B (en) | 2013-08-30 | 2013-08-30 | For the exhaust gas processing device of MAQ-ME drying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310385017.9A CN103446842B (en) | 2013-08-30 | 2013-08-30 | For the exhaust gas processing device of MAQ-ME drying |
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| Publication Number | Publication Date |
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| CN103446842A true CN103446842A (en) | 2013-12-18 |
| CN103446842B CN103446842B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310385017.9A Active CN103446842B (en) | 2013-08-30 | 2013-08-30 | For the exhaust gas processing device of MAQ-ME drying |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202410472U (en) * | 2012-01-17 | 2012-09-05 | 寿光诺盟化工有限公司 | Tail gas treatment device for production of diallyl phthalate |
| CN202620765U (en) * | 2012-07-10 | 2012-12-26 | 宿迁科思化学有限公司 | Tail gas recovering complete equipment for rectifying tower |
| CN203123770U (en) * | 2013-03-19 | 2013-08-14 | 无锡蓝海工程设计有限公司 | Discharge system capable of reducing organic tail gas during production of basic epoxy resin |
| CN203494355U (en) * | 2013-08-30 | 2014-03-26 | 张家港市三联化工科技有限公司 | Tail gas treatment device for MAQ-ME (Methyl (R)-(+)-2-(4-hydroxyPHenoxy)propanoate) drying |
-
2013
- 2013-08-30 CN CN201310385017.9A patent/CN103446842B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202410472U (en) * | 2012-01-17 | 2012-09-05 | 寿光诺盟化工有限公司 | Tail gas treatment device for production of diallyl phthalate |
| CN202620765U (en) * | 2012-07-10 | 2012-12-26 | 宿迁科思化学有限公司 | Tail gas recovering complete equipment for rectifying tower |
| CN203123770U (en) * | 2013-03-19 | 2013-08-14 | 无锡蓝海工程设计有限公司 | Discharge system capable of reducing organic tail gas during production of basic epoxy resin |
| CN203494355U (en) * | 2013-08-30 | 2014-03-26 | 张家港市三联化工科技有限公司 | Tail gas treatment device for MAQ-ME (Methyl (R)-(+)-2-(4-hydroxyPHenoxy)propanoate) drying |
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| CN103446842B (en) | 2016-01-20 |
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Effective date of registration: 20220914 Address after: 121000 No. 8 Minjiang street, Binhai New Area, Jinzhou City, Liaoning Province Patentee after: Jinzhou Sanyi Technology Co.,Ltd. Address before: 215619 Zhangjiagang Sanlian Chemical Technology Co., Ltd., Dongsha Chemical Zone, Nanfeng Town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee before: ZHANGJIAGANG SANLIAN CHEMICAL TECHNOLOGY Co.,Ltd. |
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