CN211317037U - Air cooling waste heat utilization system - Google Patents
Air cooling waste heat utilization system Download PDFInfo
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- CN211317037U CN211317037U CN201922314372.2U CN201922314372U CN211317037U CN 211317037 U CN211317037 U CN 211317037U CN 201922314372 U CN201922314372 U CN 201922314372U CN 211317037 U CN211317037 U CN 211317037U
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- waste heat
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- disproportionated
- clay
- heat exchange
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Abstract
The utility model relates to the field of chemical industry, in particular to an air cooling waste heat utilization system, which comprises a disproportionated clay feeding pipeline, an air cooling waste heat exchanger, a deheptanizer overhead air cooler, a material air cooling feeding pipeline and a material air cooling discharging pipeline, wherein the material air cooling feeding pipeline is connected with the deheptanizer overhead air cooler; the material air cooling feeding pipeline is connected to the air cooling waste heat exchanger through a material waste heat exchange feeding pipeline, and the heat exchanged material is connected to the outlet of the top air cooler of the deheptanizer through a material waste heat exchange discharging pipeline; the disproportionated clay feeding pipeline is connected to the air cooling waste heat exchanger through a disproportionated clay waste heat exchange feeding pipeline, and the disproportionated clay after heat exchange is connected to the disproportionated clay feeding pipeline through a disproportionated clay waste heat exchange discharging pipeline. The disproportionated clay feeding temperature is finally improved by exchanging heat with the air cooling waste heat of the deheptanizer, the consumption of disproportionated clay heating steam is reduced, the air cooling power consumption at the top of the deheptanizer is reduced, and the purpose of energy conservation is achieved.
Description
Technical Field
The patent of the utility model relates to a chemical industry field specifically relates to an air cooling waste heat utilization heat transfer system.
Background
The feed temperature of a common disproportionation device is 35-40 ℃, in order to ensure the normal operation temperature of a disproportionation clay tower, the incoming material of a disproportionation clay tank needs to be subjected to heat exchange through a clay tower feeding and discharging heat exchanger, then is heated to 170 ℃ through a disproportionation clay feeding steam heater, and then enters a clay tower system. The lower clay feeding temperature can cause the increase of the heating steam usage amount and the increase of energy consumption.
Disclosure of Invention
According to the defect that above-mentioned prior art exists, the utility model aims at providing an air cooling waste heat recovery utilizes system utilizes the air cooling waste heat to carry out the heat transfer to disproportionation carclazyte feed temperature for the air cooling waste heat has obtained reuse, has reduced the air cooling power consumption, has saved carclazyte feeding heating steam consumption simultaneously.
In order to achieve the above object, the utility model discloses an adopted technical scheme is: an air cooling waste heat utilization system comprises a disproportionated clay feeding pipeline, an air cooling waste heat exchanger, a deheptanizer overhead air cooler, a material air cooling feeding pipeline and a material air cooling discharging pipeline, wherein the material air cooling feeding pipeline and the material air cooling discharging pipeline are connected with the deheptanizer overhead air cooler; the material air cooling feeding pipeline is connected to the air cooling waste heat exchanger through a material waste heat exchange feeding pipeline, and the heat exchanged material is connected to the outlet of the top air cooler of the deheptanizer through a material waste heat exchange discharging pipeline; the disproportionated clay feeding pipeline is connected to the air cooling waste heat exchanger through a disproportionated clay waste heat exchange feeding pipeline, and the disproportionated clay after heat exchange is connected to the disproportionated clay feeding pipeline through a disproportionated clay waste heat exchange discharging pipeline.
Further, the material waste heat exchange feeding pipeline and the material waste heat exchange discharging pipeline are connected with a shell pass of the air-cooled waste heat exchanger; the disproportionated clay waste heat exchange feeding pipeline and the disproportionated clay waste heat exchange discharging pipeline are connected with a tube pass of the air cooling waste heat exchanger.
Furthermore, a material waste heat exchange feeding pipe line is provided with a deheptanizer air cooling front throwing valve, and a material waste heat exchange discharging pipe line is provided with a deheptanizer air cooling rear return valve.
Further, the material air-cooling feed pipeline comes from the top of the deheptanizer and is sequentially connected with a heat exchanger at the front of the top of the deheptanizer and an air-cooling front isolation gate valve of the deheptanizer.
Further, the material waste heat exchange feeding pipeline is arranged between the heat exchanger at the front of the top of the deheptanizer and the air-cooled front isolation gate valve of the deheptanizer.
Furthermore, the outlet of the air cooler at the top of the material air-cooling discharging pipeline is sequentially connected with an air-cooled post-deheptanizer isolating valve and an air-cooled post-deheptanizer heat exchanger.
Further, the material waste heat exchange discharging pipeline is arranged between the air-cooled isolation valve of the deheptanizer and the air-cooled heat exchanger of the deheptanizer.
Further, the disproportionated clay feeding pipeline is from the disproportionated clay tank to the disproportionated clay feeding heat exchanger, the disproportionated clay feeding pipeline is provided with a disproportionated clay feeding isolation valve, and the disproportionated clay feeding isolation valve is arranged between the disproportionated clay waste heat exchange feeding pipeline and the disproportionated clay waste heat exchange discharging pipeline.
Further, a disproportionated clay heat exchange throwing-out valve is arranged on the disproportionated clay waste heat exchange feeding pipe, and a disproportionated clay heat exchange returning valve is arranged on the disproportionated clay waste heat exchange discharging pipe.
Furthermore, a tube side inlet and an outlet of the air-cooling waste heat exchanger, and a shell side inlet and an outlet of the air-cooling waste heat exchanger are respectively provided with a hand valve.
The utility model has the advantages that: the disproportionated clay feeding and the air cooling waste heat of the deheptanizer exchange heat, so that the disproportionated clay feeding temperature is increased, the consumption of disproportionated clay heating steam is reduced, and meanwhile, after the air cooling waste heat is utilized, the air cooling power consumption at the top of the deheptanizer is reduced, and the purpose of saving energy is achieved finally.
Drawings
FIG. 1 is a process flow diagram of an air cooling waste heat recovery system;
in the figure: 1. the device comprises a deheptanizer air-cooling front throwing valve, 2, a deheptanizer air-cooling front isolation gate valve, 3, a deheptanizer air-cooling rear isolation valve, 4, a deheptanizer air-cooling rear return valve, 5, an air-cooling waste heat exchanger, 6, a disproportionation carclazyte heat exchange return valve, 7, a disproportionation carclazyte feeding isolation valve, 8, a disproportionation carclazyte heat exchange throwing valve, 9, a material air-cooling feeding pipeline, 10, a deheptanizer top air cooler, 11, a material air-cooling discharging pipeline, 12, a deheptanizer top front heat exchanger, 13, a deheptanizer air-cooling rear heat exchanger, 14, a material waste heat exchange feeding pipeline, 15, a material waste heat exchange discharging pipeline, 16, a disproportionation carclazyte feeding pipeline, 17, a disproportionation carclazyte waste heat exchange feeding pipeline, 18, a disproportionation carclazyte waste heat exchange discharging pipeline, 19.
Detailed Description
In order to make the structure and function of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solution in the embodiments of the present invention.
Referring to the attached figure 1, the air cooling waste heat utilization system comprises a disproportionated clay feeding pipeline 16, an air cooling waste heat exchanger 5, a deheptanizer overhead air cooler 10, a material air cooling feeding pipeline 9 connected with the deheptanizer overhead air cooler and a material air cooling discharging pipeline 11; the material air cooling feeding pipeline 9 is connected to the air cooling waste heat exchanger 5 through a material waste heat exchange feeding pipeline 14, and the heat exchanged material is connected to the outlet of the top air cooler 10 of the deheptanizer through a material waste heat exchange discharging pipeline 15; the disproportionated clay feeding pipeline 16 is connected to the air cooling waste heat exchanger 5 through a disproportionated clay waste heat exchange feeding pipeline 17, and the disproportionated clay after heat exchange is connected to the disproportionated clay feeding pipeline 16 through a disproportionated clay waste heat exchange discharging pipeline 18.
Further, the material waste heat exchange feeding pipeline 14 and the material waste heat exchange discharging pipeline 15 are connected with the shell side of the air-cooled waste heat exchanger 5; the disproportionated clay waste heat exchange feeding pipeline 17 and the disproportionated clay waste heat exchange discharging pipeline 18 are connected with the tube pass of the air-cooling waste heat exchanger 5.
Further, a deheptanizer air-cooled front throwing valve 1 is arranged on the material waste heat exchange feeding pipeline 14, and a deheptanizer air-cooled back return valve 4 is arranged on the material waste heat exchange discharging pipeline 15.
Further, the material air-cooling feed line 9 comes from the top of the deheptanizer and is sequentially connected with a heat exchanger 12 at the front of the top of the deheptanizer and an air-cooling front isolation gate valve 2 of the deheptanizer.
Further, the material waste heat exchange feeding pipeline 14 is arranged between the front heat exchanger 12 at the top of the deheptanizer and the front air-cooled isolation gate valve 2 of the deheptanizer.
Further, a deheptanizer air-cooled back isolation valve 3 and a deheptanizer air-cooled back heat exchanger 13 are sequentially connected with the material air-cooled discharge pipeline 11 from the outlet of the deheptanizer overhead air cooler 10.
Further, the material waste heat exchange discharging pipeline 15 is arranged between the air-cooled deheptanizer isolation valve 3 and the air-cooled deheptanizer heat exchanger 13.
Further, the disproportionated clay feeding pipeline 16 is from the disproportionated clay tank to the disproportionated clay feeding heat exchanger, the disproportionated clay feeding pipeline 16 is provided with a disproportionated clay feeding isolation valve 7, and the disproportionated clay feeding isolation valve 7 is arranged between the disproportionated clay waste heat exchange feeding pipeline 17 and the disproportionated clay waste heat exchange discharging pipeline 18.
Further, a disproportionated clay heat exchange throwing-out valve 8 is arranged on the disproportionated clay waste heat exchange feeding pipeline 17, and a disproportionated clay heat exchange returning valve 6 is arranged on the disproportionated clay waste heat exchange discharging pipeline 18.
Further, a tube side inlet and an outlet of the air-cooled waste heat exchanger 5, and a shell side inlet and an outlet are respectively provided with a hand valve 19.
The working process is as follows: a gate valve, namely a disproportionated clay feeding isolation valve 7 is added on a disproportionated clay feeding pipeline 16, a three-way throwing head is respectively added in front of and behind the gate valve, the gate valve is closed, a pipeline leading-out pipeline in front of the gate valve exchanges heat with pipeline materials led out from an air cooler at the top of a deheptanizer, the disproportionated clay feeding pipeline returns after the heat exchange is finished, and a pipeline material newly added at the top of the deheptanizer returns to an air cooling outlet pipeline after the heat exchange is finished.
The materials at the top of the deheptanizer are thrown before air cooling, the heat exchange is carried out on the disproportionated clay incoming materials from a head throwing pipeline to a newly-added air-cooling waste heat exchanger 5, the materials return to the outlet position of a top air cooler 10 of the deheptanizer after the heat exchange is finished, the influence on the temperature of the air-cooling outlet is realized by the heat exchange after the air cooling of the deheptanizer, and the temperature is adjusted.
And (3) performing pipeline head throwing at a position where the disproportionated clay feeding pipeline 16 is convenient for valve operation, removing the newly-added air-cooled waste heat exchanger 5 for heat exchange, returning to the original disproportionated clay feeding pipeline after the clay feeding side heat exchange is completed, and performing isolation by using a valve 7 in the middle.
After the implementation, the waste heat at the top of the deheptanizer is utilized to exchange heat for the disproportionated clay incoming material, the disproportionated clay enters the clay tower after the heat exchange is completed, the steam heating quantity of the disproportionated clay heat exchanger is reduced, and the purpose of energy conservation is further achieved.
The above list is only the preferred embodiment of the present invention. Obviously, the present invention is not limited to the above embodiments, and many modifications are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.
Claims (9)
1. An air cooling waste heat utilization system which is characterized in that: the device comprises a disproportionated clay feeding pipeline, an air-cooling waste heat exchanger, a deheptanizer overhead air cooler, a material air-cooling feeding pipeline and a material air-cooling discharging pipeline, wherein the material air-cooling feeding pipeline and the material air-cooling discharging pipeline are connected with the deheptanizer overhead air cooler; the material air cooling feeding pipeline is connected to the air cooling waste heat exchanger through a material waste heat exchange feeding pipeline, and the heat exchanged material is connected to the outlet of the top air cooler of the deheptanizer through a material waste heat exchange discharging pipeline; the disproportionated clay feeding pipeline is connected to the air cooling waste heat exchanger through a disproportionated clay waste heat exchange feeding pipeline, and the disproportionated clay after heat exchange is connected to the disproportionated clay feeding pipeline through a disproportionated clay waste heat exchange discharging pipeline.
2. The air-cooling waste heat utilization system according to claim 1, characterized in that: the material waste heat exchange feeding pipeline and the material waste heat exchange discharging pipeline are connected with a shell pass of the air-cooling waste heat exchanger; the disproportionated clay waste heat exchange feeding pipeline and the disproportionated clay waste heat exchange discharging pipeline are connected with a tube pass of the air cooling waste heat exchanger.
3. The air-cooling waste heat utilization system according to claim 1, characterized in that: and a material waste heat exchange feed pipe line is provided with a deheptanizer air cooling front throwing valve, and a material waste heat exchange discharge pipe line is provided with a deheptanizer air cooling rear return valve.
4. The air-cooling waste heat utilization system according to claim 3, characterized in that: the material air-cooling feeding pipeline comes from the top of the deheptanizer and is sequentially connected with a heat exchanger at the front of the top of the deheptanizer and an air-cooling front isolation gate valve of the deheptanizer.
5. The air-cooling waste heat utilization system according to claim 4, characterized in that: the material waste heat exchange feeding pipeline is arranged between the front heat exchanger at the top of the deheptanizer and the front isolation gate valve for air cooling of the deheptanizer.
6. The air-cooling waste heat utilization system according to claim 3, characterized in that: and the outlet of the air cooler at the top of the material air-cooling discharge pipeline from the heptane removing tower is sequentially connected with an air-cooled post-deheptanizer isolating valve and an air-cooled post-deheptanizer heat exchanger.
7. The air-cooling waste heat utilization system according to claim 6, characterized in that: and the material waste heat exchange discharging pipeline is arranged between the air-cooled isolation valve of the deheptanizer and the air-cooled heat exchanger of the deheptanizer.
8. The air-cooling waste heat utilization system according to claim 1, characterized in that: the disproportionated clay feeding pipeline is from the disproportionated clay tank to the disproportionated clay feeding heat exchanger, the disproportionated clay feeding pipeline is provided with a disproportionated clay feeding isolation valve, and the disproportionated clay feeding isolation valve is arranged between the disproportionated clay waste heat exchange feeding pipeline and the disproportionated clay waste heat exchange discharging pipeline.
9. The air-cooling waste heat utilization system according to claim 1, characterized in that: the disproportionated clay heat exchange throwing valve is arranged on the disproportionated clay waste heat exchange feeding pipe line, and the disproportionated clay heat exchange returning valve is arranged on the disproportionated clay waste heat exchange discharging pipe line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922314372.2U CN211317037U (en) | 2019-12-20 | 2019-12-20 | Air cooling waste heat utilization system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922314372.2U CN211317037U (en) | 2019-12-20 | 2019-12-20 | Air cooling waste heat utilization system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849193A (en) * | 2019-12-20 | 2020-02-28 | 大连福佳·大化石油化工有限公司 | Air cooling waste heat utilization system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849193A (en) * | 2019-12-20 | 2020-02-28 | 大连福佳·大化石油化工有限公司 | Air cooling waste heat utilization system |
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