CN202284701U - Heating device for extracting acrylic ester chemical products - Google Patents
Heating device for extracting acrylic ester chemical products Download PDFInfo
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- CN202284701U CN202284701U CN2011204409743U CN201120440974U CN202284701U CN 202284701 U CN202284701 U CN 202284701U CN 2011204409743 U CN2011204409743 U CN 2011204409743U CN 201120440974 U CN201120440974 U CN 201120440974U CN 202284701 U CN202284701 U CN 202284701U
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- heating
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- pipeline
- end cover
- heating device
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Abstract
The utility model relates to a heating device for extracting acrylic ester chemical products. The heating device is characterized by comprising a tank-type heating structure connected in series in a pipeline, wherein the tank-type heating structure consists of a tank body and an upper end cover and a lower end cover which are fixedly arranged at two ports of the tank body; the upper end cover and the lower end cover are connected with an upper end pipeline and a lower end pipeline respectively; a plurality of heating thin pipes are uniformly distributed in the tank body; two ends of each of the heating thin pipes are welded at the two ports of the tank body respectively; and an air inlet and an air outlet are formed on the tank body close to the upper port and the lower port respectively. According to the heating device, a material entering the lower end pipeline enters the heating thin pipes through the lower end cover, then enters the upper end pipeline through the upper end cover and finally enters an air extraction tower. Compared with the prior art, the heating device has the advantages of increasing the heat exchange area, improving the heat exchange efficiency and reducing the heat loss by heating by adopting a relatively short heating section; furthermore, the temperature difference of a heating part is relatively small, so that the aggregation amount of the material in the heating thin pipes is reduced, and the number of times for cleaning the pipelines is reduced.
Description
Technical field
The utility model relates to the production of esters of acrylic acid chemical product and uses device, and particularly the esters of acrylic acid chemical product are purified to produce and used heating equipment.
Background technique
Acrylic ester is one type of chemical product by alcohol and acrylic acid reacted.In actual production process, in pure and mild acrylic acid raw material, need to add a certain proportion of toluene solvant,, esterification again toluene solvant is separated after generating acrylic ester, form final products.The separation process of aforesaid propylene acid esters and toluene solvant also becomes to purify produces.Detailed process is: the mass transport that esterification is produced is to receiving in the still; To receive mass transport in the still in stripping tower 9 through pipeline mounted pump then; Wherein on the pipeline between connecting tube pump and the stripping tower, be provided with heating equipment; Make the material that is transported in the stripping tower form layering, it is the toluene of gaseous state at the middle and upper levels, and lower floor is liquid product.At present; The normal structure that adopts of above-mentioned heating equipment is a sleeve pipe 8; Casing pipe sleeve is contained on the material conveying pipe, is respectively equipped with suction port and air outlet in the position near its upper and lower end, and heat steam enters in the sleeve pipe from suction port; Material with in the heat transferred pipeline returns thermal source through the air outlet then.In use there is the problem of following several respects in above-mentioned cover pipe heating device:
1) sleeve pipe is longer, and heat steam in the flow process, to the lost more heat in the external world, causes thermal waste in sleeve pipe;
2) area of contact of pipeline and heat steam is less, and heat exchange efficiency is low;
3) upper and lower temperature difference in the pipeline is big, and is wherein higher near the position temperature of sleeve pipe upper end, makes material that polymerization take place in pipeline, hindered the circulation of material in pipeline, need regularly pull down pipeline, removes.
Summary of the invention
The utility model provides a kind of and improve heat exchange efficiency for solving the technical problem that exists in the known technology, reduce heat loss, reduce polymerization amount and the esters of acrylic acid chemical product that reduce pipeline cleaning number of times of material in pipeline purifies to produce and uses heating equipment.
The technological scheme that the utility model is taked for the technical problem that exists in the solution known technology is:
The esters of acrylic acid chemical product are purified to produce and are used heating equipment; It is characterized in that: comprise being serially connected in ducted jar of shape heating arrangement; Said jar shape heating arrangement is made up of tank body and the upper end cap and the lower end cap that are packed in the tank body two-port, and said upper end cap is connected with lower channel with the upper end pipeline respectively with lower end cap; Be evenly equipped with several heating tubules in the said tank body, the two ends of said tubule are welded on respectively on the two-port of tank body, and the position near the upper/lower terminal mouth on the said tank body is respectively equipped with suction port and air outlet.
The technological scheme that the utility model can also be taked is:
Also be provided with short sleeve on the said pipeline, said short sleeve is located at the below of said jar shape heating arrangement, on short sleeve near the position of upper/lower terminal be respectively equipped with suction port and air outlet, be provided with connecting pipe between said suction port and the tank body air outlet.
Advantage and the good effect that the utlity model has are:
Adopt above-mentioned heating equipment, make the material that enters in the lower channel enter into several and add tubule, get into the upper end pipeline through upper end cap then, enter in the stripping tower at last through lower end cap.This heating equipment compared with prior art; Increase heat exchange area, improved heat exchange efficiency, can adopt shorter bringing-up section to realize heating; And then reduce heat loss; In addition, the temperature difference of heating part is less, and then has reduced the polymerization amount of material in the heating tubule and the number of times that has reduced pipeline cleaning.Below jar shape heating arrangement, short sleeve is set further, utilizes the waste heat of steam that the material that will get in the heating tubule is carried out preheating, further improve utilization efficiency of heat energy.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is an A-A face cutaway view Amplified image among Fig. 1;
Fig. 3 is the prior art constructions schematic representation.
Among the figure: 1-1, tank body; 1-2, upper end cap; 1-3, lower end cap; 1-5, suction port; 1-6, air outlet; 2, upper end pipeline; 3, lower channel; 4, short sleeve; 5, suction port; 6, air outlet; 7, connecting pipe; 8, sleeve pipe; 9, stripping tower.
Embodiment
For further understanding summary of the invention, characteristics and the effect of the utility model, the following examples of giving an example now, and conjunction with figs. specifies as follows:
See also Fig. 1-2; The esters of acrylic acid chemical product are purified to produce and are used heating equipment; Comprise and be serially connected in ducted jar of shape heating arrangement; Said jar shape heating arrangement is made up of tank body 1-1 and the upper end cap 1-2 and the lower end cap 1-3 that are packed in the tank body two-port, and said upper end cap is connected with lower channel 3 with upper end pipeline 2 respectively with lower end cap; Be evenly equipped with several heating tubules 1-4 in the said tank body, the two ends of said tubule are welded on respectively on the two-port of tank body, and the position near the upper/lower terminal mouth on the said tank body is respectively equipped with suction port 1-5 and air outlet 1-6.Concrete, be equipped with the flange part that matches between the upper end-hole of above-mentioned upper end cap and tank body and between the lower end mouth of lower end cap and tank body, pass through the bolt connection at flange part.Adopt above-mentioned heating equipment, make material in tank body, form shunting through lower end cap, fully absorb heat after, in upper end cap, form the interflow, enter in the stripping tower through the upper end pipeline then.
Above-mentioned heating equipment adopts the structure of many tubules, has increased the area of contact of steam and material, has improved heat exchange efficiency and has reduced heat loss.For further improving the heat energy utilization rate; Short sleeve 4 can further be set on the pipeline below the tank body heating arrangement; On short sleeve near the position of upper/lower terminal suction port 5 and air outlet 6 are set respectively, between said suction port and tank body air outlet, connecting pipe 7 is set.
To sum up, the utility model adopts above-mentioned heating equipment, makes the material that enters in the lower channel enter into several heating tubules through lower end cap, in the heating tubule, fully gets into the upper end pipeline through upper end cap behind the absorption heat, enters in the stripping tower at last.This heating equipment compared with prior art; Increase heat exchange area, improved heat exchange efficiency, can adopt shorter bringing-up section to realize heating; And then reduce heat loss; In addition, the temperature difference of heating part is less, and then has reduced the polymerization amount of material in the heating tubule and the number of times that has reduced pipeline cleaning.Below jar shape heating arrangement, short sleeve is set further, utilizes the waste heat of steam that the material that will get in the heating tubule is carried out preheating, further improve utilization efficiency of heat energy.
Claims (2)
1. the esters of acrylic acid chemical product are purified to produce and are used heating equipment; It is characterized in that: comprise being serially connected in ducted jar of shape heating arrangement; Said jar shape heating arrangement is made up of tank body and the upper end cap and the lower end cap that are packed in the tank body two-port, and said upper end cap is connected with lower channel with the upper end pipeline respectively with lower end cap; Be evenly equipped with several heating tubules in the said tank body, the two ends of said tubule are welded on respectively on the two-port of tank body, and the position near the upper/lower terminal mouth on the said tank body is respectively equipped with suction port and air outlet.
2. purify to produce according to the said esters of acrylic acid chemical product of claim 1 and use heating equipment; It is characterized in that: also be provided with short sleeve on the said pipeline; Said short sleeve is located at the below of said jar of shape heating arrangement; On short sleeve near the position of upper/lower terminal be respectively equipped with suction port and air outlet, be provided with connecting pipe between said suction port and the tank body air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204409743U CN202284701U (en) | 2011-11-09 | 2011-11-09 | Heating device for extracting acrylic ester chemical products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204409743U CN202284701U (en) | 2011-11-09 | 2011-11-09 | Heating device for extracting acrylic ester chemical products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202284701U true CN202284701U (en) | 2012-06-27 |
Family
ID=46296222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204409743U Expired - Fee Related CN202284701U (en) | 2011-11-09 | 2011-11-09 | Heating device for extracting acrylic ester chemical products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202284701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109893876A (en) * | 2019-03-09 | 2019-06-18 | 雒晓兵 | One kind recycling continuous production vacuum distillation equipment based on phosphoric acid acid pickle |
-
2011
- 2011-11-09 CN CN2011204409743U patent/CN202284701U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109893876A (en) * | 2019-03-09 | 2019-06-18 | 雒晓兵 | One kind recycling continuous production vacuum distillation equipment based on phosphoric acid acid pickle |
| CN109893876B (en) * | 2019-03-09 | 2021-06-29 | 兴平市秦兴环保科技有限公司 | Continuous production vacuum distillation equipment based on phosphoric acid waste acid liquid recovery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANQIAO CHEMICAL CO., LTD., TIANJIN Free format text: FORMER OWNER: TIANJIN TIANJIAO RADIATION SOLIDIFY SOLIDIFICATION MATERIAL CO., LTD. Effective date: 20121016 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 301508 NINGHE, TIANJIN TO: 300132 HONGQIAO, TIANJIN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121016 Address after: 300132 No. 8-8, No., West Fifth Avenue, Hongqiao District, Shanghai Patentee after: Tianjin Tiaojiao Chemical Co., Ltd. Address before: 301508 Tianjin city Ninghe County zaojiacheng zaojiacheng Town West Village Patentee before: Tianjin Tianjiao Radiation Curable Material Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120627 Termination date: 20141109 |
|
| EXPY | Termination of patent right or utility model |