CN213657620U - Polymerization esterification waste heat recycling device - Google Patents
Polymerization esterification waste heat recycling device Download PDFInfo
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- CN213657620U CN213657620U CN202022339502.0U CN202022339502U CN213657620U CN 213657620 U CN213657620 U CN 213657620U CN 202022339502 U CN202022339502 U CN 202022339502U CN 213657620 U CN213657620 U CN 213657620U
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- heat exchanger
- cooling box
- polymerization
- waste heat
- waste
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
Abstract
The utility model belongs to the technical field of the waste heat is recycled, especially, be a polymerization waste heat recycling device that esterifies, including technology tower, cooler bin, hot water plate heat exchanger, steam plate heat exchanger, waste water collection tank, spray plate heat exchanger and lithium bromide refrigerator: the process tower is connected with the cooling box through a pipeline, a liquid inlet heat exchange pipe is connected to the side surface of the lower end of the cooling box in a penetrating manner, a transverse connecting pipe is erected inside the process tower, a liquid outlet pipe is connected to the side surface of the upper end of the cooling box, and the liquid inlet heat exchange pipe and the liquid outlet pipe are communicated with the inside of the transverse connecting pipe; the waste heat that the section produced of utilizing esterifying rises through the temperature that the hot water pipeline was used in the heat transfer heating, reaches the operating temperature that lithium bromide used and uses to produce the refrigerated water in the lithium bromide refrigerator working process, reduce current electric refrigeration's use, improve the utilization efficiency of waste heat, reduce the start frequency of refrigerator, have outstanding performance in the aspect of energy saving and consumption reduction, improve the utilization ratio of steam simultaneously, practice thrift manufacturing cost.
Description
Technical Field
The utility model belongs to the technical field of the waste heat is recycled, concretely relates to polymerization esterification waste heat recycles device.
Background
In the polyester production process, the mixed gas generated in the esterification reaction process is subjected to EG and water separation through a process tower, and a large amount of heat at the top is taken away in the water separation process of the process tower, so that energy waste is caused; aiming at the condition of insufficient utilization rate of waste heat in the production process of the prior polyester process, structural improvement and optimization of polyester equipment are necessary.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned problem that exists among the prior art, the utility model provides a polymerization esterification waste heat recycling device has and absorbs the waste heat, promotes waste heat utilization rate's characteristics.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a polymerization waste heat of esterifying recycles device, includes technology tower, cooler bin, hot water plate heat exchanger, steam plate heat exchanger, waste water collection tank, sprays plate heat exchanger and lithium bromide refrigerator: the utility model discloses a process tower, including process tower, cooling box, feed liquor heat exchange tube, transverse connecting tube, lateral connecting tube, heat exchange fin, convection fan, waste water collecting tank and spray plate heat exchanger, the process tower passes through the pipeline to keep being connected with the cooling box, the lower extreme side surface through connection of cooling box has the feed liquor heat exchange tube, the inside of process tower has erect transverse connecting tube, the upper end side surface of cooling box is connected with the drain pipe, feed liquor heat exchange tube, drain pipe and transverse connecting tube are inside to be linked together, the both ends of transverse connecting tube are connected with vertical connecting tube, the inboard of transverse connecting tube is evenly arranged and is shunted the heat exchange tube, the lateral wall of shunting heat exchange tube has heat transfer fin through welded connection, the inner wall that the top of transverse connecting tube is located the cooling box has been erect convection fan through the support, and the middle part of a pipeline connected between the spray plate type heat exchanger and the process tower is connected with a pressure pump.
As the utility model discloses an optimal technical scheme of polymerization waste heat of esterifying recycles device, thermal-insulated rock wool has evenly been placed to the inner wall of technology tower, the inner wall of thermal-insulated rock wool passes through the glue bonding and is fixed with the silvering board.
As the utility model discloses a polymerization waste heat of esterifying recycles preferred technical scheme of device, be connected with two pipelines between hot water plate heat exchanger and the lithium bromide refrigerator, the booster pump has been erect to the pipeline middle part of lithium bromide refrigerator flow direction hot water plate heat exchanger.
As the utility model discloses a polymerization waste heat of esterifying recycles preferred technical scheme of device, two pipelines have been erect to steam plate heat exchanger side surface, and two roll to be linked together with the pipeline of being connected between hot water plate heat exchanger, the lithium bromide refrigerator respectively.
As the utility model discloses a polymerization residual heat of esterifying recycles preferred technical scheme of device, the top that convection current fan's top is located the cooler bin is fixed with sealed lid through the bolt.
As the utility model discloses a polymerization waste heat of esterifying recycles preferred technical scheme of device, the side surface that the fan of breathing in is different from transverse connection pipe lies in the cooler bin has erect the exhaust otter board.
As the utility model discloses a polymerization residual heat of esterifying recycles preferred technical scheme of device, the bottom and the side surface of technology tower are connected with the back flow, and the actuating pump has been erect at the middle part of back flow.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the waste heat generated in the esterification section is utilized, the temperature of a hot water pipeline is increased through heat exchange heating, and the working temperature used by lithium bromide is reached, so that chilled water is produced in the working process of a lithium bromide refrigerator, the use of the existing electric refrigeration is reduced, the utilization efficiency of the waste heat is improved, the starting frequency of the refrigerator is reduced, the outstanding performance in the aspects of energy conservation and consumption reduction is realized, the utilization rate of steam is improved, and the production cost is saved;
(2) longitudinal connecting pipes, transverse connecting pipes, shunting heat exchange pipes and heat exchange fins are additionally arranged inside the cooling box, the longitudinal connecting pipes, the transverse connecting pipes and the shunting heat exchange pipes can effectively promote the flow of liquid inside the cooling box, the heat exchange fins further promote the heat exchange area, and the convection fan and the suction fan are convenient for air circulation and discharge, and are convenient for quick heat exchange.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a heat exchange structure of the present invention;
in the figure: 1. a process tower; 2. a cooling tank; 3. a hot water plate heat exchanger; 4. a steam plate heat exchanger; 5. a wastewater collection tank; 6. a spray plate heat exchanger; 7. a lithium bromide refrigerator; 8. a liquid inlet heat exchange pipe; 9. a liquid outlet pipe; 10. a sealing cover; 11. heat-insulating rock wool; 12. plating a silver plate; 13. a convection fan; 14. an air suction fan; 15. an exhaust mesh plate; 16. a longitudinal connecting pipe; 17. a transverse connecting pipe; 18. a shunting heat exchange pipe; 19. and heat exchange fins.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-2, the present invention provides the following technical solutions: the utility model provides a polymerization waste heat of esterifying recycles device, includes technology tower 1, cooler bin 2, hot water plate heat exchanger 3, steam plate heat exchanger 4, waste water collection tank 5, sprays plate heat exchanger 6 and lithium bromide refrigerator 7: the process tower 1 is connected with the cooling box 2 through a pipeline, the lower end side surface of the cooling box 2 is connected with a liquid inlet heat exchange pipe 8 in a penetrating way, a transverse connecting pipe 17 is erected inside the process tower 1, the upper end side surface of the cooling box 2 is connected with a liquid outlet pipe 9, the liquid inlet heat exchange pipe 8 and the liquid outlet pipe 9 are communicated with the inside of the transverse connecting pipe 17, two ends of the transverse connecting pipe 17 are connected with a longitudinal connecting pipe 16, the inner side of the transverse connecting pipe 17 is uniformly distributed with shunting heat exchange pipes 18, the side wall of each shunting heat exchange pipe 18 is connected with a heat exchange fin 19 through welding, a convection fan 13 is erected on the inner wall of the cooling box 2 above the transverse connecting pipe 17 through a bracket, an air suction fan 14 is erected on the inner wall of the cooling box 2 through a bracket on one side of the transverse connecting pipe 17, the cooling box 2, the middle part of the pipeline connected between the spray plate type heat exchanger 6 and the process tower 1 is connected with a pressure pump, and in the embodiment, the heat exchange fins 19 effectively improve the heat exchange rate of the liquid in the shunting heat exchange pipe 18.
Specifically, thermal-insulated rock wool 11 has evenly been placed to the inner wall of technology tower 1, and the inner wall of thermal-insulated rock wool 11 passes through the glue bonding and is fixed with silvered plate 12, and thermal-insulated rock wool 11 avoids too much heat to spill from technology tower 1 side in this embodiment with silvered plate 12, promotes heat utilization.
Specifically, be connected with two pipelines between hot water plate heat exchanger 3 and the lithium bromide refrigerator 7, the pipeline middle part that the lithium bromide refrigerator 7 flows to hot water plate heat exchanger 3 erects and is equipped with the force (forcing) pump, 4 side surfaces of steam plate heat exchanger erect two pipelines, and two roll to respectively with hot water plate heat exchanger 3, the pipeline of being connected between the lithium bromide refrigerator 7 is linked together, utilize hot water plate heat exchanger 3 to absorb the waste heat in this embodiment, through the continuous circulation feedwater heating of force (forcing) pump, thereby provide the heat for lithium bromide refrigerator 7.
Specifically, a seal cover 10 is fixed to the top end of the cooling box 2 above the convection fan 13 by bolts.
Specifically, an exhaust mesh plate 15 is disposed on a side surface of the cooling box 2 opposite to the side of the transverse connecting pipe 17 of the air suction fan 14, and air inside the cooling box 2 in this embodiment escapes through the exhaust mesh plate 15.
Specifically, the bottom end and the side surface of the process tower 1 are connected with a return pipe, the middle part of the return pipe is provided with a driving pump, and the driving pump in the embodiment enables liquid inside the process tower 1 to keep returning, so that the liquid inside the process tower 1 can be kept uniform.
The utility model discloses a theory of operation and use flow: the utility model discloses in this mist that produces among the polymerization esterification reaction process separates EG and water and partial aldehyde, accessory substances such as ether through technology tower 1, in dehydration and aldehyde, accessory substances such as ether in-process have a large amount of heats to be taken away, steam carries the inside of cooler bin 2 through the pipeline, heat transfer liquid flows to vertical connecting pipe 16 from heat exchange tube feed liquor 8, cross connecting pipe 17, the inside of reposition of redundant personnel heat exchange tube 18 and heat transfer fin 19, steam and vertical connecting pipe 16, cross connecting pipe 17, reposition of redundant personnel heat exchange tube 18 contacts and carries out the heat transfer with heat transfer fin 19, hot gas cooling this moment, the pipeline from cooler bin 2 bottom after the hot gas condensation discharges, convection fan 13 operates and makes the inside hot-air of cooler bin 2 carry out the upper and lower convection, suction fan 14 is convenient for the horizontal circulation of hot gas, make gas discharge through exhaust otter board 15, another part utilizes hot water plate heat exchanger 3 to absorb the waste heat, the water is continuously and circularly heated by the pressure pump, so that heat is provided for the lithium bromide refrigerator 7, in addition, redundant steam generated by a department waste heat furnace is heated by the steam plate type heat exchanger 4, the temperature of hot water is raised by utilizing waste heat in multiple aspects, and the utilization efficiency of the bromine refrigerator is increased; and the other part of the waste water flows through the spray plate type heat exchanger 6 through a waste water outlet pipeline by the waste water collecting tank 5, and is sprayed and circulated by the driving pump, so that the index of the overhead waste water is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a polymerization waste heat of esterifying recycles device, its characterized in that includes technology tower (1), cooler bin (2), hot water plate heat exchanger (3), steam plate heat exchanger (4), waste water collection tank (5), sprays plate heat exchanger (6) and lithium bromide refrigerator (7): the utility model discloses a process tower, including technology tower (1), cooling box (2), feed liquor heat exchange tube (8), transverse connection pipe (17) have been erect to the inside of technology tower (1), the upper end side surface of cooling box (2) is connected with drain pipe (9), feed liquor heat exchange tube (8), drain pipe (9) are linked together with transverse connection pipe (17) inside, the both ends of transverse connection pipe (17) are connected with vertical connecting pipe (16), reposition of redundant personnel heat exchange tube (18) have evenly been arranged to the inboard of transverse connection pipe (17), the lateral wall of reposition of redundant personnel heat exchange tube (18) has heat transfer fin (19) through welded connection, the inner wall that the top of transverse connection pipe (17) is located cooling box (2) is equipped with convection fan (13) through the support frame, the inner wall that one side of transverse connection pipe (17) is located cooling box (2) is equipped with suction fan (14) through the support frame, the cooling box (2) is connected with the waste water collecting tank (5) through a pipeline, the waste water collecting tank (5) is connected with the spray plate type heat exchanger (6) through a pipeline, and the middle of the pipeline connected between the spray plate type heat exchanger (6) and the process tower (1) is connected with a pressure pump.
2. The waste heat recycling device for polymerization and esterification as claimed in claim 1, wherein: heat-insulating rock wool (11) is uniformly placed on the inner wall of the process tower (1), and a silver-plated plate (12) is fixedly bonded on the inner wall of the heat-insulating rock wool (11) through glue.
3. The waste heat recycling device for polymerization and esterification as claimed in claim 1, wherein: two pipelines are connected between the hot water plate type heat exchanger (3) and the lithium bromide refrigerator (7), and a pressure pump is erected in the middle of the pipeline, flowing to the hot water plate type heat exchanger (3), of the lithium bromide refrigerator (7).
4. The waste heat recycling device for polymerization and esterification as claimed in claim 1, wherein: two pipelines are erected on the lateral surface of the steam plate type heat exchanger (4), and the two pipelines are respectively communicated with the pipelines connected between the hot water plate type heat exchanger (3) and the lithium bromide refrigerator (7).
5. The waste heat recycling device for polymerization and esterification as claimed in claim 1, wherein: and a sealing cover (10) is fixed at the top end of the cooling box (2) above the convection fan (13) through bolts.
6. The waste heat recycling device for polymerization and esterification as claimed in claim 1, wherein: and an exhaust net is erected on the side surface of the cooling box (2) on one side of the air suction fan (14) different from the transverse connecting pipe (17).
7. The waste heat recycling device for polymerization and esterification as claimed in claim 1, wherein: the bottom end and the side surface of the process tower (1) are connected with a return pipe, and the middle part of the return pipe is provided with a driving pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022339502.0U CN213657620U (en) | 2020-10-20 | 2020-10-20 | Polymerization esterification waste heat recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022339502.0U CN213657620U (en) | 2020-10-20 | 2020-10-20 | Polymerization esterification waste heat recycling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213657620U true CN213657620U (en) | 2021-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022339502.0U Active CN213657620U (en) | 2020-10-20 | 2020-10-20 | Polymerization esterification waste heat recycling device |
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| CN (1) | CN213657620U (en) |
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2020
- 2020-10-20 CN CN202022339502.0U patent/CN213657620U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 223600 No. 42 Cixi Road, Shuyang County, Suqian, Jiangsu. Patentee after: Keze New Material Co.,Ltd. Address before: 223600 No. 42 Cixi Road, Shuyang County, Suqian, Jiangsu. Patentee before: SHUYANG GENZON NOVEL MATERIALS Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: No. 42, Cixi Road, North Economic Development Zone, Shuyang County, Suqian City, Jiangsu Province 223600 Patentee after: Keze New Materials Co.,Ltd. Address before: 223600 No. 42 Cixi Road, Shuyang County, Suqian, Jiangsu. Patentee before: Keze New Material Co.,Ltd. |
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| CP03 | Change of name, title or address |