Tire cord fabric oven exhaust gas waste heat recovery heat exchanger
By improving the plate heat exchanger design and internal connecting pipes, the problem of direct emission of exhaust gas from traditional drying ovens has been solved, achieving the non-condensation of tar and effective heat transfer of exhaust gas, reducing pollution and saving energy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2026-03-24
AI Technical Summary
The direct emission of exhaust gas from traditional drying ovens leads to pollution and waste, and the solidification of tar can clog conventional tubular heat exchangers, affecting production.
The plate heat exchanger design utilizes 8K mirror-finish large channels and dead-zone-free plates, combined with limiting connecting strips for internal interconnecting pipes and rotating fan blades, to ensure that tar does not solidify and to achieve effective heat transfer and recycling of exhaust gas.
It avoids tar blockage, reduces air pollution, saves 20-30% of natural gas, and enables the recycling of waste gas.
Smart Images
Figure CN224034455U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the energy -conserving and environment -protective industrial building related technical field, concretely relates to a kind of waste heat recovery heat exchanger of tire cord oven exhaust gas. BACKGROUND
[0002] Tire cord is the main component of automobile tire, and China's automobile production is the first in the world. In order to dry the moisture in the tire cord, an oven is used. The exhaust gas after drying contains a large amount of tar, and the exhaust gas temperature can reach 200-250℃. If it is directly discharged into the atmosphere, it will cause a lot of pollution and waste. Because the tar in the exhaust gas will solidify and gel when it is cooled, the conventional tubular heat exchanger is very easy to block, resulting in the heat exchanger being scrapped and affecting production. Therefore, the tire cord manufacturers do not use waste heat recovery heat exchanger.
[0003] The utility model is improved for the above problems, and specifically relates to a kind of waste heat recovery heat exchanger of tire cord oven exhaust gas. INVENTION CONTENTS
[0004] The utility model aims at providing a kind of waste heat recovery heat exchanger of tire cord oven exhaust gas to solve the problem that the traditional oven will cause a lot of pollution and waste if it is directly discharged into the atmosphere, because the tar in the exhaust gas will solidify and gel when it is cooled, the conventional tubular heat exchanger is very easy to block, resulting in the heat exchanger being scrapped and affecting production.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of waste heat recovery heat exchanger of tire cord oven exhaust gas, including exhaust gas waste heat recovery heat exchanger body and the inner communication pipeline arranged at the middle position of the exhaust gas waste heat recovery heat exchanger body thereof;
[0006] The upper side position of the exhaust gas waste heat recovery heat exchanger body is provided with an upper connection large channel, the upper side position of the upper connection large channel is provided with a large channel cover plate, the bottom position of the exhaust gas waste heat recovery heat exchanger body is provided with a lower connection small channel, the large channel cover plate adopts K mirror surface, and the heat exchanger plate piece cannot be solidified, the lower connection small channel is uniformly distributed by convex points, and the convex points are welded by welding.
[0007] Preferably, the left side position of the upper connection large channel is provided with a hot side channel, and the front side position of the hot side channel is provided with an exhaust gas inlet.
[0008] Preferably, the two side positions of the inner communication pipeline are respectively provided with a cold side inlet and a cold side outlet, and the cold side inlet and the cold side outlet are flange structures.
[0009] Preferably, the right side bottom position of the waste heat recovery heat exchanger body is provided with a hot gas exhaust port, and the hot gas exhaust port and the waste heat recovery heat exchanger body are of an integral structure.
[0010] Preferably, the middle position of the inner communication pipeline is provided with a limiting connecting strip, the side position of the limiting connecting strip is provided with a connecting installation rotating shaft, the middle and side positions of the connecting installation rotating shaft are provided with connecting rotating leaves, the both end inner side positions of the limiting connecting strip are provided with built-in connecting springs, the side positions of the built-in connecting springs are provided with clamping slope surface columns, and the clamping slope surface columns are clamped in the grooves in the side of the inner communication pipeline.
[0011] Preferably, the bottom of the waste heat recovery heat exchanger body and the side position of the lower connecting small channel are provided with a bottom supporting leg, and the bottom supporting leg is connected with the waste heat recovery heat exchanger body by welding.
[0012] Preferably, the bottom position of the bottom supporting leg is provided with a bottom supporting disc, and the bottom supporting disc is rotationally connected with the threaded column at the bottom position of the bottom supporting leg through a threaded groove.
[0013] Preferably, the upper side position of the large channel cover plate is provided with a connecting handle, and the connecting handle is installed and connected with the large channel cover plate through a screw.
[0014] Compared with the prior art, the tire cord oven waste heat recovery heat exchanger has the following beneficial effects:
[0015] 1. In the tire cord oven waste heat recovery heat exchanger, the upper side position of the waste heat recovery heat exchanger body is provided with an upper connecting large channel, the upper side position of the upper connecting large channel is provided with a large channel cover plate, the bottom position of the waste heat recovery heat exchanger body is provided with a lower connecting small channel, the large channel cover plate adopts a K mirror surface, the heat exchanger plate piece has no dead zone and cannot solidify tar, the lower connecting small channel convex points are uniformly distributed, and the convex points are welded through a welding form, the plate type heat exchanger is adopted according to the characteristics of the automobile tire cord oven waste gas, the 8K mirror surface and the large channel are adopted in the upper connecting large channel, there is no dead zone, the tar is not easy to solidify on the heat exchanger plate piece, the waste gas adopts a multi-flow design, the heat of the waste gas is ensured to be transmitted to the air as much as possible, the lower connecting small channel convex points are uniformly distributed and welded through a welding form, two plate pieces are sealed through welding, the channels on both sides are always unchanged, the heat transmission of the gas on both sides in the respective channels is achieved, and the process of energy transmission is realized. Through the waste heat recovery heat exchanger with the structure, the blockage of tar can be avoided, the recycling of the oven waste gas is realized, the pollution to the atmosphere is reduced, and 20%-30% of natural gas is saved.
[0016] 2. In the waste heat recovery heat exchanger of the tire cord oven exhaust, the middle position of the inner communication pipeline is provided with a limiting connecting strip, the side position of the limiting connecting strip is provided with a connecting installation rotating shaft, the middle and side positions of the connecting installation rotating shaft are provided with a connecting rotating fan blade, the inner side positions of the two ends of the limiting connecting strip are provided with an inner connecting spring, the side positions of the inner connecting spring are provided with clamping slope columns, the clamping slope columns are clamped in the grooves in the side of the inner communication pipeline, and the improved heat exchanger can mix and stir the fluid when the fluid flows in the inner communication pipeline, so that the fluid in the rear end outer circle is not dispersed and the phenomenon of not being fully utilized by the gas is avoided, the installation and dismounting are simple and fast, and the use practicality is effectively improved. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a whole structure schematic view of the waste heat recovery heat exchanger of the tire cord oven exhaust.
[0018] Figure 2 It is a sectional structure schematic view of the waste heat recovery heat exchanger of the tire cord oven exhaust.
[0019] Figure 3 It is an enlarged structure schematic view of the waste heat recovery heat exchanger of the tire cord oven exhaust.
[0020] In the figure: 1, waste heat recovery heat exchanger body; 2, cold side inlet; 3, cold side outlet; 4, upper connecting large channel; 5, large channel cover plate; 6, connecting handle; 7, hot side channel; 8, exhaust inlet; 9, lower connecting small channel; 10, small channel cover plate; 11, hot gas outlet; 12, inner communication pipeline; 13, clamping slope column; 14, inner connecting spring; 15, limiting connecting strip; 16, connecting rotating fan blade; 17, connecting installation rotating shaft; 18, bottom support leg; 19, bottom support disc. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.
[0022] The present application provides a Figures 1-3As shown, a kind of tire cord oven exhaust heat recovery heat exchanger, including exhaust heat recovery heat exchanger body 1 and the inner communication pipe 12 of its exhaust heat recovery heat exchanger body 1 middle position setting;Exhaust heat recovery heat exchanger body 1 upper side position is provided with upper connection big channel 4, the upper side position of upper connection big channel 4 is provided with big channel cover plate 5, the bottom position of exhaust heat recovery heat exchanger body 1 is provided with lower connection small channel 9, big channel cover plate 5 adopts 8K mirror surface, no dead zone tar cannot solidify heat exchanger sheet, lower connection small channel 9 convex point is uniformly distributed, and convex point is welded by welding form, for the characteristics of automobile tire cord oven exhaust gas, using plate heat exchanger, 8K mirror surface, big channel, no dead zone is used in upper connection big channel 4, tar is not easy to solidify in heat exchanger sheet, exhaust gas adopts multi-flow design, ensure that the heat of exhaust gas is transferred to air as much as possible;Lower connection small channel 9 convex point is uniformly distributed, and convex point is welded by welding form, two sheets are sealed by welding, ensure that the channel between two sides is always not changed, realize the heat transfer of two-side gas in respective channel, so as to realize the process of energy transfer, by the structure of waste heat recovery heat exchanger, the blockage of tar can be avoided, the recycling of oven exhaust gas is realized, the pollution to atmosphere is reduced, and 20%-30% of natural gas is saved.
[0023] As Figure 1 shown, the left side position of upper connection big channel 4 is provided with hot side channel 7, the front side position of hot side channel 7 is provided with exhaust gas inlet 8, the right side bottom position of exhaust heat recovery heat exchanger body 1 is provided with hot gas outlet 11, hot gas outlet 11 and exhaust heat recovery heat exchanger body 1 are integrated structure, hot side channel 7 and hot gas outlet 11 are used for the discharge and discharge of exhaust gas after processing.
[0024] As Figure 3 shown, the middle position of inner communication pipe 12 is provided with limiting connection strip 15, the side position of limiting connection strip 15 is provided with connecting installation rotating shaft 17, the middle and side position of connecting installation rotating shaft 17 is provided with connecting rotating fan blade 16, the inner side position of both ends of limiting connection strip 15 is provided with built-in connecting spring 14, the side position of built-in connecting spring 14 is provided with clamping slope column 13, clamping slope column 13 is clamped in the groove of the side of inner communication pipe 12, after the improvement of the utility model, fluid can be mixed and stirred evenly by rotating when fluid flows in inner communication pipe 12, avoid the phenomenon that fluid in rear end outer circle is not fully utilized because of being dispersed by gas before heat exchange with inner layer when fluid flows fast, and its installation and disassembly are simple and fast, thereby effectively improving its practicality.
[0025] As Figure 1As shown in the figure, the bottom of the exhaust gas waste heat recovery heat exchanger body 1 and the position of the lower connecting small channel 9 are provided with a bottom supporting leg 18, which is connected with the exhaust gas waste heat recovery heat exchanger body 1 by welding, and the bottom position of the bottom supporting leg 18 is provided with a bottom supporting disc 19, which is rotatably connected with the threaded column at the bottom position of the bottom supporting leg 18 through a threaded groove, and the bottom supporting disc 19 can increase the area between the bottom supporting leg 18 and the ground, so that the exhaust gas waste heat recovery heat exchanger body 1 is placed more stably.
[0026] As shown in the figure, the upper side of the large channel cover plate 5 is provided with a connecting handle 6, which is installed and connected with the large channel cover plate 5 by a screw, and the connecting handle 6 can provide a place for the user to hold, so that the user can operate to open the large channel cover plate 5 more conveniently. Figure 1
[0027] When working, the exhaust gas enters along the exhaust gas inlet 8, is treated by the cooler fluid in the inner communication pipeline 12, and then flows out along the lower connecting small channel 9, and a part of the heat is exchanged and dissipated at the position of the upper connecting large channel 4.
[0028] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for some of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A tire cord oven exhaust heat recovery heat exchanger, comprising An exhaust heat recovery heat exchanger body (1) and an internal communication pipeline (12) arranged at the middle position of the exhaust heat recovery heat exchanger body (1); characterized in that An upper connecting large channel (4) is arranged at the upper position of the exhaust heat recovery heat exchanger body (1), a large channel cover plate (5) is arranged at the upper position of the upper connecting large channel (4), a lower connecting small channel (9) is arranged at the bottom position of the exhaust heat recovery heat exchanger body (1), the large channel cover plate (5) adopts an 8K mirror surface, there is no dead zone tar that cannot be solidified, and the lower connecting small channel (9) is uniformly distributed and welded by welding.
2. The heat exchanger according to claim 1, wherein: A hot side channel (7) is arranged at the left side position of the upper connecting large channel (4), and a waste gas inlet (8) is arranged at the front side position of the hot side channel (7).
3. The heat exchanger according to claim 1, wherein: A cold side inlet (2) and a cold side outlet (3) are arranged at the two side positions of the internal communication pipeline (12), and the cold side inlet (2) and the cold side outlet (3) are in flange structure.
4. The heat exchanger according to claim 1, wherein: A hot gas outlet (11) is arranged at the right bottom position of the exhaust heat recovery heat exchanger body (1), and the hot gas outlet (11) and the exhaust heat recovery heat exchanger body (1) are in an integral structure.
5. The heat exchanger according to claim 1, wherein: A limiting connection strip (15) is arranged at the middle position of the internal communication pipeline (12), a connecting installation rotating shaft (17) is arranged at the side position of the limiting connection strip (15), a connecting rotating fan blade (16) is arranged at the middle and side positions of the connecting installation rotating shaft (17), an internal connecting spring (14) is arranged at the two end inner side positions of the limiting connection strip (15), a clamping slope column (13) is arranged at the side position of the internal connecting spring (14), and the clamping slope column (13) is clamped in the groove in the side surface of the internal communication pipeline (12).
6. The heat exchanger according to claim 1, wherein: A bottom supporting leg (18) is arranged at the bottom of the exhaust heat recovery heat exchanger body (1) and at the side position of the lower connecting small channel (9), and the bottom supporting leg (18) is connected with the exhaust heat recovery heat exchanger body (1) by welding.
7. A tyre cord oven exhaust heat recovery exchanger according to claim 6, characterised in that: A bottom supporting disc (19) is arranged at the bottom position of the bottom supporting leg (18), and the bottom supporting disc (19) is rotationally connected with the threaded column at the bottom position of the bottom supporting leg (18) through a threaded groove.
8. The heat exchanger according to claim 1, characterized in that: A connecting handle (6) is arranged at the upper position of the large channel cover plate (5), and the connecting handle (6) is installed and connected with the large channel cover plate (5) by a screw.