Heat recovery energy-saving system

By designing a heat recovery and energy-saving system, using heat exchange components and heat storage components, the heat generated in the synthetic leather production process is recycled and stored, which solves the problem of heat waste and achieves efficient energy utilization.

CN222670776UActive Publication Date: 2025-03-25WENZHOU HELI LEATHER IND CO LTD
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Patent Information

Application Number
CN202421401749.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-19
Publication Date
2025-03-25
Estimated Expiration
2034-06-19

AI Technical Summary

Technical Problem

The large amount of heat energy generated during the synthetic leather production process is not effectively utilized, resulting in energy waste, and the existing heat recovery mechanism is unable to use the recovered heat in time, resulting in secondary waste of heat.

Method used

A heat recovery and energy-saving system is designed, including a heat exchange assembly and a heat storage assembly. Through the heat exchange assembly, the heat in the exhaust gas produced by the synthetic leather is exported, and the recovered heat is stored through the heat storage assembly to avoid heat loss.

Benefits of technology

It realizes efficient recovery and storage of heat in the synthetic leather production process, reduces energy waste, reduces production costs, and improves heat utilization efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a heat recovery energy-saving system, and relates to the technical field of synthetic leather processing, the heat recovery energy-saving system comprises a heat exchange assembly and a heat storage assembly, the heat exchange assembly and the heat storage assembly are connected, the heat exchange assembly comprises a heat exchange box, the inner walls of the two sides of the heat exchange box are fixedly connected with the same partition plate, and two heat conduction assemblies are arranged on the inner wall of the heat exchange box; the heat storage assembly comprises a heat preservation tank, and the outer wall of the heat preservation tank is fixedly connected with a water return pipe. Through cooperation of the heat exchange assembly and the liquid storage assembly, heat in waste gas released in the synthetic leather production process is conveniently recycled, meanwhile, the recycled heat is conveniently stored through arrangement of the heat storage assembly, cooling liquid is arranged in a heat preservation tank in the heat storage assembly, the recycled heat is stored through the cooling liquid, and the heat storage effect is improved. And the heat insulation tank is arranged to avoid heat loss in the cooling liquid.
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Description

Technical Field

[0001] The present application relates to the technical field of synthetic leather processing, and in particular to a heat recovery and energy-saving system. Background Art

[0002] In the production process of synthetic leather, a large amount of heat energy generated in the high-temperature process is usually directly discharged and not effectively utilized, resulting in energy waste. At the same time, other links in the production process require heat input to maintain the process temperature, which increases production costs.

[0003] The existing heat recovery mechanism can only utilize the heat in a timely manner during the actual operation process. If the recovered heat in the actual operation process cannot be used in a timely manner, it will lead to secondary waste of heat. Utility Model Content

[0004] In order to improve the problem of inconvenient heat storage in existing synthetic leather, the present application provides a heat recovery energy-saving system.

[0005] The present application provides a heat recovery and energy-saving system, comprising a heat exchange component and a heat storage component, which are connected to each other. The heat exchange component comprises a heat exchange box, and the inner walls on both sides of the heat exchange box are fixedly connected to the same partition, the inner wall of the heat exchange box is provided with two heat conduction components, and the two heat conduction components are symmetrically arranged about the partition, the heat storage component comprises an insulation tank, and the outer wall of the insulation tank is fixedly connected to a return pipe, the return pipe is connected to the heat exchange box, and the return pipe is fixedly connected to a second solenoid valve, and the outer wall of one side of the heat exchange box is respectively fixedly connected to a sealing cover plate 1 and a sealing cover plate 2.

[0006] By adopting the above structure, the heat in the exhaust gas generated by the synthetic leather production can be easily extracted through the setting of the heat exchange component. The partition in the heat exchange box can be conveniently divided into two areas. The upper half area of ​​the partition is convenient for heating the gas, and the lower half area is convenient for heating the liquid. The insulation tank in the heat storage component is convenient for storing the coolant while avoiding the heat loss in the coolant. The setting of the return pipe is convenient for connecting the insulation tank and the lower half area of ​​the heat exchange box.

[0007] The outer wall of the heat preservation tank is fixedly connected with a fixing frame, and the outer wall at the bottom of the fixing frame is fixedly connected with a circulating pump.

[0008] With the above structure, the circulating pump can be conveniently installed and fixed via the fixing frame.

[0009] The input port of the circulation pump is connected to the heat preservation tank through a pipeline, and the output port of the circulation pump is connected to the heat exchange box through a pipeline.

[0010] With the above structure, the coolant in the insulation tank can be easily driven to flow in the lower half of the heat exchange box through the circulation pump.

[0011] The heat conduction component comprises a plurality of heat sinks fixed on the inner wall of the heat exchange box, and a same curved heat exchange copper tube is fixedly connected between the plurality of heat sinks.

[0012] With the above structure, the heat-conducting copper tube can be conveniently installed and fixed by setting the heat-dissipating plate, and the heat-exchanging copper tube can conveniently be set to conduct heat out of the exhaust gas.

[0013] One side outer wall of the heat exchange box is fixedly connected with two solenoid valves, and one end of the two solenoid valves is respectively connected to the heat exchange copper tubes on the two heat conduction components.

[0014] With the above structure, the exhaust gas can be conveniently controlled to enter the heat exchange copper tubes in the two heat conduction components through the setting of two solenoid valves, so that the heat in the exhaust gas can be conveniently extracted in two ways.

[0015] One end of the two solenoid valves is connected to the same mounting pipe, and the other side outer wall of the heat exchange box is fixedly connected to the exhaust pipe 1 and the exhaust pipe 2 respectively.

[0016] With the above structure, the exhaust gas can be easily discharged by installing the pipe as a three-way pipe, the exhaust pipe one and the exhaust pipe two.

[0017] The exhaust pipe 1 and the exhaust pipe 2 are respectively connected to the heat exchange copper tubes in the two heat conduction components. The top outer wall of the heat exchange box is fixedly connected with an air exchange pipe connected to the heat exchange box. The outer wall of one side of the heat exchange box is provided with an air intake pipe connected to the heat exchange box.

[0018] With the above structure, the gas to be heated is introduced into the heat exchange box through the air inlet pipe, and the arrangement of the air exchange pipe facilitates the exhaust of the heated gas.

[0019] Two temperature sensors are fixedly connected to the inner wall of the heat exchange box, and the two temperature sensors are symmetrically arranged about the partition.

[0020] With the above structure, the temperature in the heat exchange box can be conveniently monitored in real time by setting a temperature sensor.

[0021] In summary, the beneficial effects of this application are as follows:

[0022] 1. The present application facilitates the recovery and utilization of heat released from exhaust gas during the production of synthetic leather through the cooperation between the heat exchange component and the liquid storage component. At the same time, the setting of the heat storage component facilitates the storage of the recovered heat. A coolant is set in the insulation tank of the heat storage component, and the recovered heat is stored through the coolant. The setting of the insulation tank prevents the loss of heat in the coolant.

[0023] 2. The present application arranges a partition in the heat exchange box, and the partition is convenient for dividing the heat exchange box into two areas. The upper part of the partition is convenient for heating the gas, and the lower part of the partition is convenient for heating the liquid. The setting of two solenoid valves is convenient for controlling the intake direction of the exhaust gas, thereby improving the efficiency of heat recovery of synthetic leather production exhaust gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the entire application;

[0025] Figure 2 It is a schematic diagram of the heat exchange component of this application;

[0026] Figure 3 It is a schematic diagram of the interior of the heat exchange box of this application;

[0027] Figure 4 It is a schematic diagram of the heat storage component of this application.

[0028] Explanation of the reference numerals: 1. heat exchange component; 2. heat storage component; 3. heat exchange box; 4. exhaust pipe one; 5. exhaust pipe two; 6. ventilation pipe; 7. sealing cover plate one; 8. sealing cover plate two; 9. mounting pipe; 10. heat conduction component; 11. temperature sensor; 12. partition; 13. solenoid valve one; 14. heat exchange copper tube; 15. heat sink; 16. insulation tank; 17. return pipe; 18. solenoid valve two; 19. fixing bracket; 20. circulation pump. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-4 This application is described in further detail.

[0030] See also Figure 1-3 A heat recovery and energy-saving system includes a heat exchange component 1 and a heat storage component 2, which are connected to each other. The heat exchange component 1 includes a heat exchange box 3, and the inner walls on both sides of the heat exchange box 3 are fixedly connected to the same partition 12. The inner wall of the heat exchange box 3 is provided with two heat conduction components 10, and the two heat conduction components 10 are symmetrically arranged about the partition 12. The heat storage component 2 includes an insulation tank 16, and the outer wall of the insulation tank 16 is fixedly connected to a return pipe 17, the return pipe 17 is connected to the heat exchange box 3, and the return pipe 17 is fixedly connected to a solenoid valve 2 18, and the outer wall of one side of the heat exchange box 3 is respectively fixedly connected to a sealing cover plate 1 7 and a sealing cover plate 2 8.

[0031] When in use, the heat exchange component 1 is set to facilitate the heat extraction of the exhaust gas generated by the synthetic leather production. The partition 12 in the heat exchange box 3 is convenient for dividing the heat exchange box 3 into two areas. The upper half of the partition 12 is convenient for heating the gas, and the lower half is convenient for heating the liquid. The insulation tank 16 in the heat storage component 2 is convenient for storing the coolant and avoiding the heat loss in the coolant. The return pipe 17 is set to facilitate the connection between the insulation tank 16 and the lower half of the heat exchange box 3.

[0032] Reference Figure 4 The outer wall of the heat preservation tank 16 is fixedly connected with a fixing frame 19 , and the outer wall at the bottom of the fixing frame 19 is fixedly connected with a circulating pump 20 , so that the fixing frame 19 is convenient for installing and fixing the circulating pump 20 .

[0033] Reference Figure 4 The input port of the circulating pump 20 is connected to the insulation tank 16 through a pipeline, and the output port of the circulating pump 20 is connected to the heat exchange box 3 through a pipeline. The circulating pump 20 conveniently drives the coolant in the insulation tank 16 to flow in the lower half area of ​​the heat exchange box 3.

[0034] Reference Figure 3 The heat-conducting component 10 includes a plurality of heat-dissipating plates 15 fixed on the inner wall of the heat-exchange box 3, and a same curved heat-exchange copper tube 14 is fixedly connected between the plurality of heat-dissipating plates 15. The heat-dissipating plates 15 are arranged to facilitate installation and fixation of the heat-conducting copper tube 14, and the arrangement of the heat-exchange copper tube 14 facilitates the extraction of heat from the exhaust gas.

[0035] Reference Figure 3 Two solenoid valves 13 are fixedly connected to the outer wall of one side of the heat exchange box 3, and one end of the two solenoid valves 13 is respectively connected to the heat exchange copper tubes 14 on the two heat conduction components 10. The two solenoid valves 13 are arranged to conveniently control the exhaust gas to enter the heat exchange copper tubes 14 in the two heat conduction components 10, so as to conveniently extract the heat in the exhaust gas in two ways.

[0036] Reference Figure 3 One end of the two solenoid valves 13 is connected to the same mounting pipe 9, and the other side outer wall of the heat exchange box 3 is fixedly connected to the exhaust pipe 1 4 and the exhaust pipe 2 5 respectively. The mounting pipe 9 is a three-way pipe, and the exhaust pipe 1 4 and the exhaust pipe 2 5 are convenient for discharging the exhaust gas.

[0037] Reference Figure 3 The exhaust pipe 1 4 and the exhaust pipe 2 5 are respectively connected to the heat exchange copper tubes 14 in the two heat conduction components 10. The top outer wall of the heat exchange box 3 is fixedly connected with a ventilation pipe 6 connected to the heat exchange box 3. An outer wall on one side of the heat exchange box 3 is provided with an air intake pipe connected to the heat exchange box 3. The gas to be heated is introduced into the heat exchange box 3 through the air intake pipe. The setting of the ventilation pipe 6 facilitates the discharge of the heated gas.

[0038] Reference Figure 3 Two temperature sensors 11 are fixedly connected to the inner wall of the heat exchange box 3 , and the two temperature sensors 11 are symmetrically arranged about the partition 12 . The arrangement of the temperature sensors 11 facilitates real-time monitoring of the temperature in the heat exchange box 3 .

[0039] The implementation principle of the present application is as follows: when in use, the exhaust gas pipe of the synthetic leather processing equipment is installed on the installation pipe 9. When the gas needs to be preheated, the gas to be preheated is connected to the air inlet pipe, and at the same time, one of the solenoid valves 13 is opened, and the exhaust gas enters the heat exchange copper tube 14 to cooperate with the heat sink 15 to preheat the gas entering the heat exchange box 3. When heat needs to be stored, the other solenoid valve 13 is opened, and at the same time, the circulating pump 20 is started to drive the coolant in the insulation tank 16 to circulate and flow into the lower area of ​​the heat exchange box 3. The coolant is in full contact with the heat sink 15 and the heat exchange copper tube 14, thereby facilitating the heating of the coolant. The coolant enters the insulation tank 16 to avoid heat loss, thereby facilitating the preservation of heat.

[0040] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A heat recovery energy-saving system, comprising a heat exchange component (1) and a heat storage component (2), wherein the heat exchange component (1) and the heat storage component (2) are connected, and characterized in that: The heat exchange component (1) comprises a heat exchange box (3), and the inner walls on both sides of the heat exchange box (3) are fixedly connected to the same partition (12), the inner wall of the heat exchange box (3) is provided with two heat conduction components (10), and the two heat conduction components (10) are symmetrically arranged with respect to the partition (12), the heat storage component (2) comprises a heat preservation tank (16), and the outer wall of the heat preservation tank (16) is fixedly connected to a return pipe (17), the return pipe (17) and the heat exchange box (3) are connected, and the return pipe (17) is fixedly connected to a second solenoid valve (18), and the outer wall of one side of the heat exchange box (3) is respectively fixedly connected to a first sealing cover plate (7) and a second sealing cover plate (8).

2. A heat recovery energy-saving system according to claim 1, characterized in that: A fixing frame (19) is fixedly connected to the outer wall of the heat-insulating tank (16), and a circulating pump (20) is fixedly connected to the outer wall of the bottom of the fixing frame (19).

3. A heat recovery energy-saving system according to claim 2, characterized in that: The input port of the circulation pump (20) is connected to the heat preservation tank (16) through a pipeline, and the output port of the circulation pump (20) is connected to the heat exchange box (3) through a pipeline.

4. A heat recovery energy-saving system according to claim 3, characterized in that: The heat conduction component (10) comprises a plurality of heat dissipation plates (15) fixed on the inner wall of the heat exchange box (3), and a same curved heat exchange copper tube (14) is fixedly connected between the plurality of heat dissipation plates (15).

5. A heat recovery energy-saving system according to claim 4, characterized in that: Two solenoid valves (13) are fixedly connected to an outer wall of one side of the heat exchange box (3), and one end of the two solenoid valves (13) is respectively connected to the heat exchange copper tubes (14) on the two heat conduction components (10).

6. A heat recovery energy-saving system according to claim 5, characterized in that: One end of the two solenoid valves (13) is connected to the same mounting pipe (9), and the other side outer wall of the heat exchange box (3) is fixedly connected to an exhaust pipe (4) and an exhaust pipe (5) respectively.

7. A heat recovery energy-saving system according to claim 6, characterized in that: The exhaust pipe 1 (4) and the exhaust pipe 2 (5) are respectively connected to the heat exchange copper tubes (14) in the two heat conduction components (10); a ventilation pipe (6) connected to the heat exchange box (3) is fixedly connected to the top outer wall of the heat exchange box (3); and an air intake pipe connected to the heat exchange box (3) is opened on one side outer wall of the heat exchange box (3).

8. A heat recovery energy-saving system according to claim 7, characterized in that: Two temperature sensors (11) are fixedly connected to the inner wall of the heat exchange box (3), and the two temperature sensors (11) are symmetrically arranged with respect to the partition plate (12).