CN217802785U - Improved heat energy recovery device of transverse drawing machine - Google Patents
Improved heat energy recovery device of transverse drawing machine Download PDFInfo
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- CN217802785U CN217802785U CN202221832174.0U CN202221832174U CN217802785U CN 217802785 U CN217802785 U CN 217802785U CN 202221832174 U CN202221832174 U CN 202221832174U CN 217802785 U CN217802785 U CN 217802785U
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- heat exchanger
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses an improved heat energy recovery device of a transverse drawing machine, which relates to the technical field of PI film production equipment and comprises an oven and a heat exchanger, wherein the heat exchanger is provided with a cold fluid inlet, a cold fluid outlet, a hot fluid inlet and a hot fluid outlet; the cold fluid import of heat exchanger passes through pipe connection new trend system, and the cold fluid export of heat exchanger is connected to the oven bottom through first fan, and the hot-fluid import of heat exchanger is connected to the oven top through the second fan, and the hot-fluid export of heat exchanger passes through the pipe connection condenser. The utility model discloses a condenser replaces spray column to retrieve organic solvent, improves heat exchange efficiency to heat exchanger inner structure simultaneously.
Description
Technical Field
The utility model relates to a PI membrane production facility technical field especially relates to an improved generation violently draws quick-witted heat recovery unit.
Background
The PI film is also one of special films, the preparation process is that the PI film is prepared by heating and stretching in a transverse drawing machine oven, the PI film is heated by heating air continuously entering the oven, and the volatilization of an organic solvent exists in the process, so that the environmental pollution can be caused directly along with the hot air discharge, and the heat energy is wasted.
Therefore, the applicant filed patent names in 2021: the utility model provides a violently draw quick-witted oven system heat recovery unit, the patent number is: 2021232334478, the structure of which comprises an oven and a heat exchanger disposed on the oven, wherein a cold fluid inlet of the heat exchanger is connected to a fresh air system via a pipeline, and a cold fluid outlet of the heat exchanger is communicated with the bottom of the oven via a first fan; a hot fluid inlet of the heat exchanger is communicated with the top of the drying oven through a second fan, and a hot fluid outlet of the heat exchanger is connected with the spray tower through a pipeline; the device can recover the heat energy of the oven, and can perform innocent treatment and recover the organic solvent contained in the hot air of the oven.
However, in the actual production process, the problems that the effect of recovering the organic solvent by adopting the spray tower is poor, the waste of water resources is serious, the organic solvent is difficult to separate after being mixed with water and the like are found, in addition, the heat exchange efficiency of the heat exchanger is also to be improved, and the waste of heat energy is avoided.
Disclosure of Invention
An object of the utility model is to overcome the not enough of above-mentioned technique, provide an improved generation violently draw quick-witted heat recovery unit, adopt the condenser to replace the spray column to retrieve organic solvent, improve heat exchange efficiency to heat exchanger inner structure simultaneously.
In order to realize the purpose of the utility model, the utility model adopts the technical scheme that:
an improved heat energy recovery device of a transverse drawing machine comprises an oven and a heat exchanger, and is characterized in that a cold fluid inlet, a cold fluid outlet, a hot fluid inlet and a hot fluid outlet are arranged on the heat exchanger, heat exchange tubes which are parallel to each other are arrayed in the heat exchanger, one end of each heat exchange tube is communicated with the hot fluid inlet, the other end of each heat exchange tube is communicated with the hot fluid outlet, and a spiral heat exchange plate is arranged on the outer wall of each heat exchange tube along the length direction; a cold fluid inlet of the heat exchanger is connected with a fresh air system through a pipeline, a cold fluid outlet of the heat exchanger is connected to the bottom of the oven through a first fan, a hot fluid inlet of the heat exchanger is connected to the top of the oven through a second fan, and a hot fluid outlet of the heat exchanger is connected with a condenser through a pipeline.
The utility model discloses a further improvement lies in, every adjacent two all there is the interval between the heat transfer board of heat exchange tube, guarantees that the air can circulate smoothly.
The utility model discloses a further improvement lies in, oven bottom is equipped with a plurality of air intakes, the air intake evenly sets up along oven length direction interval, the cold fluid outlet of heat exchanger communicates through the air intake of a plurality of first fans and oven bottom for the air inlet is even, keeps the inside temperature of oven even respectively.
The utility model discloses a further improvement lies in, the heat exchanger sets up in the oven top.
The beneficial effects of the utility model are that:
the utility model discloses replace the spray column for the condenser, can realize organic solvent's complete absorption in the waste gas, improve the heat exchange pipe simultaneously for outside cold wind can become the heliciform and coil and cross on the heat exchange tube surface when the heat exchange tube in the heat exchanger, improves the dwell time of cold wind in the heat exchanger, improves cold wind and hot-blast area of contact simultaneously, realizes heat exchange efficiency's promotion, has improved the recovery efficiency of heat energy.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a schematic structural diagram of the heat exchange tube of the present invention.
In the figure: the heat exchanger comprises an oven 1, a heat exchanger 2, a cold fluid inlet 3, a cold fluid outlet 4, a hot fluid inlet 5, a hot fluid outlet 6, a heat exchange tube 7, a heat exchange plate 8, a first fan 9, a second fan 10, a condenser 11 and an air inlet 12.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
As shown in fig. 1-3, an improved heat energy recovery device of a transverse drawing machine comprises an oven 1 and a heat exchanger 2, wherein the heat exchanger 2 is provided with a cold fluid inlet 3, a cold fluid outlet 4, a hot fluid inlet 5 and a hot fluid outlet 6, heat exchange tubes 7 which are parallel to each other are arrayed in the heat exchanger 2, one end of each heat exchange tube 7 is communicated with the hot fluid inlet 5, the other end of each heat exchange tube 7 is communicated with the hot fluid outlet 6, and the outer wall of each heat exchange tube 7 is provided with a spiral heat exchange plate 8 along the length direction; the cold fluid inlet 3 of the heat exchanger 2 is connected with a fresh air system (not shown in the figure) through a pipeline, the cold fluid outlet 4 of the heat exchanger 2 is connected to the bottom of the oven 1 through a first fan 9, the hot fluid inlet 5 of the heat exchanger 2 is connected to the top of the oven 1 through a second fan 10, and the hot fluid outlet 6 of the heat exchanger 2 is connected with a condenser 11 through a pipeline.
Specifically, the heat exchange plates 8 of every two adjacent heat exchange tubes 7 are spaced, so that air can smoothly circulate.
Specifically, a plurality of air inlets 12 are formed in the bottom of the oven 1, the air inlets 12 are uniformly arranged along the length direction of the oven 1 at intervals, and the cold fluid outlet 4 of the heat exchanger 2 is communicated with the air inlets 12 in the bottom of the oven 1 through a plurality of first fans 9, so that air inlet is uniform, and the internal temperature of the oven 1 is kept uniform.
Specifically, the heat exchanger 2 is disposed on top of the oven 1.
The utility model discloses a theory of operation:
hot air with an organic solvent enters from a hot fluid inlet 5 of a heat exchanger 2, a fresh air system (not shown in the figure) inputs fresh air to a cold fluid inlet 3 of the heat exchanger 2, the temperature of the hot air is reduced after the hot air and the fresh air are subjected to heat exchange, the hot air is conveyed to a condenser from a hot fluid outlet 6 of the heat exchanger 2, the organic solvent is condensed and recovered in the condenser 11, the temperature of the fresh air and the hot air is increased after the fresh air and the hot air are subjected to heat exchange, and the fresh air with a certain temperature enters into an oven 2 from a cold fluid outlet 4 of the heat exchanger, so that the heat energy is recycled.
The embodiments described are only a part of the embodiments of the present invention, and not all of the 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.
Claims (4)
1. An improved heat energy recovery device of a transverse drawing machine comprises an oven and heat exchangers, and is characterized in that the heat exchangers are provided with a cold fluid inlet, a cold fluid outlet, a hot fluid inlet and a hot fluid outlet, heat exchange tubes which are parallel to each other are arrayed in the heat exchangers, one end of each heat exchange tube is communicated with the hot fluid inlet, the other end of each heat exchange tube is communicated with the hot fluid outlet, and spiral heat exchange plates are arranged on the outer wall of each heat exchange tube along the length direction; a cold fluid inlet of the heat exchanger is connected with a fresh air system through a pipeline, a cold fluid outlet of the heat exchanger is connected to the bottom of the oven through a first fan, a hot fluid inlet of the heat exchanger is connected to the top of the oven through a second fan, and a hot fluid outlet of the heat exchanger is connected with a condenser through a pipeline.
2. An improved heat energy recovery device for a transverse drawing machine as claimed in claim 1, wherein a space is provided between the heat exchange plates of every two adjacent heat exchange tubes.
3. The improved transverse drawing machine heat energy recovery device as claimed in claim 1, wherein a plurality of air inlets are formed in the bottom of the oven, the air inlets are uniformly arranged at intervals along the length direction of the oven, and the cold fluid outlet of the heat exchanger is communicated with the air inlets in the bottom of the oven through a plurality of first fans.
4. The improved heat energy recovery device of the transverse drawing machine as recited in claim 1, wherein the heat exchanger is arranged on the top of the oven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221832174.0U CN217802785U (en) | 2022-07-17 | 2022-07-17 | Improved heat energy recovery device of transverse drawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221832174.0U CN217802785U (en) | 2022-07-17 | 2022-07-17 | Improved heat energy recovery device of transverse drawing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217802785U true CN217802785U (en) | 2022-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221832174.0U Active CN217802785U (en) | 2022-07-17 | 2022-07-17 | Improved heat energy recovery device of transverse drawing machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN217802785U (en) |
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2022
- 2022-07-17 CN CN202221832174.0U patent/CN217802785U/en active Active
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