A high-temperature waste heat recovery tank for the textile printing and dyeing industry

By designing a high-temperature waste heat recovery tank for the textile printing and dyeing industry, the problem of single equipment being unable to simultaneously recover water and gas waste heat has been solved, achieving efficient heat exchange and energy-saving heating, and reducing equipment costs.

CN224435100UActive Publication Date: 2026-06-30SUZHOU HV&AC ENERGY SAVING SYST ENG SERVICE

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SUZHOU HV&AC ENERGY SAVING SYST ENG SERVICE
Filing Date
2025-07-03
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

The textile printing and dyeing industry lacks the function of simultaneously recovering water, air and waste heat in a single device. Existing plate heat exchangers have low recovery efficiency and high cost, requiring two sets of equipment and relying on heating equipment to supplement heat.

Method used

Design a high-temperature waste heat recovery tank for the textile printing and dyeing industry, including a tank body, inlet pipe, outlet pipe, exhaust gas collection pipe, wastewater collection pipe, heat conduction coil and circulation pump, to realize the synchronous recovery and heat exchange of exhaust gas and wastewater. Combined with a temperature sensor feedback system, it can realize the simultaneous recovery of water and gas waste heat by a single device.

Benefits of technology

It enables the simultaneous recovery of waste heat from water and air in a single device, improving heat exchange efficiency, reducing equipment costs, and optimizing the heating process through internal circulation and temperature feedback.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224435100U_ABST
Patent Text Reader

Abstract

This utility model discloses a high-temperature waste heat recovery tank for the textile printing and dyeing industry, relating to the technical field of waste heat recovery equipment. It includes a tank body with an inlet pipe welded to the bottom right side and an outlet pipe welded to the top left side. The tank body is internally equipped with a waste heat recovery component for simultaneous recovery of wastewater and waste gas. This high-temperature waste heat recovery tank for the textile printing and dyeing industry is equipped with a hollow plate, a wastewater collection pipe, a heat-conducting coil, and an outlet pipe. During use, high-temperature waste gas enters from the waste gas collection pipe on the right side, passes through a waste gas branch pipe, the hollow plate, and another waste gas branch pipe, and then exits from the waste gas collection pipe on the left side. Clean water enters from the inlet pipe, passes through the tank body, and exits from the outlet pipe. As the clean water flows upward through the hollow plate and heat-conducting coil, it exchanges heat with them, achieving the function of simultaneously recovering waste heat from water and gas with a single device. This solves the problem of devices lacking the ability to simultaneously recover waste heat from water and gas with a single device.
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Description

Technical Field

[0001] This utility model relates to the technical field of waste heat recovery equipment, specifically a high-temperature waste heat recovery tank for the textile printing and dyeing industry. Background Technology

[0002] The textile industry generates a large amount of high-temperature wastewater and waste gas during dyeing, finishing and other processes. This type of wastewater and waste gas is usually discharged directly, while some waste heat recovery is usually carried out by plate heat exchangers.

[0003] Furthermore, in subsequent processing, the system relies on heating equipment such as heat pumps to continue replenishing hot water and steam. Plate heat exchangers have low efficiency in reusing waste heat from wastewater and exhaust gas, and require two sets of recovery equipment for each type of wastewater and exhaust gas, which is costly. They also do not have the function of recovering waste heat from water and gas simultaneously with a single device.

[0004] Now, a novel high-temperature waste heat recovery tank for the textile printing and dyeing industry is proposed to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a high-temperature waste heat recovery tank for the textile printing and dyeing industry, so as to solve the problem mentioned in the background art that it does not have the function of simultaneously recovering water and air waste heat with a single device.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a high-temperature waste heat recovery tank for the textile printing and dyeing industry, comprising a tank body, an inlet pipe welded to the bottom of the right side of the tank body, an outlet pipe welded to the top of the left side of the tank body, a sealing cover fixedly connected to the top of the tank body, and a waste heat recovery component for simultaneous recovery of wastewater and waste gas installed inside the tank body.

[0007] The waste heat recovery assembly includes two sets of waste gas collection pipes, which are fixedly connected to both sides of the pool body. Multiple sets of waste gas branch pipes are fixedly connected to the outside of the waste gas collection pipes. Multiple sets of hollow plates are arranged horizontally inside the pool body. Multiple sets of heat-conducting coils are arranged horizontally inside the pool body. Wastewater collection pipes are welded to both sides of the heat-conducting coils.

[0008] As a further technical solution of this utility model, the two sides of the hollow plate are respectively connected to the exhaust gas branch pipe, and the exhaust gas collection pipe, the exhaust gas branch pipe and the interior of the hollow plate are interconnected.

[0009] As a further technical solution of this utility model, the pool body and the wastewater collection pipe are fixedly connected, and the wastewater collection pipe and the heat-conducting coil are internally connected.

[0010] As a further technical solution of this utility model, there is a distance between the hollow plate and the heat-conducting coil, and the pool body, the inlet pipe and the outlet pipe are internally connected.

[0011] As a further technical solution of this utility model, a circulation pump is fixedly connected at the middle position of the rear end of the pool body, a water pumping pipe is fixedly connected between the left side of the circulation pump and the pool body, and a water delivery pipe is fixedly connected between the right side of the circulation pump and the pool body. The pool body, the water pumping pipe, and the water delivery pipe are internally connected, and the top of the water pumping pipe and the water delivery pipe are lower than the bottom of the hollow plate.

[0012] As a further technical solution of this utility model, an internal threaded fixing seat is welded at the middle position of the top of the sealing cover. An external threaded tube shell is inserted into the internal threaded fixing seat. A temperature sensor is fixedly connected to the bottom end of the external threaded tube shell. A sensor host is fixedly connected to the top end of the external threaded tube shell. The external thread of the external threaded tube shell and the internal thread of the internal threaded fixing seat are matched. The temperature sensor passes through the sealing cover and the internal threaded fixing seat and extends into the interior of the pool. The temperature sensor and the sensor host are electrically connected.

[0013] Compared with the prior art, the beneficial effects of this utility model are: the high temperature waste heat recovery tank for the textile printing and dyeing industry not only realizes the function of recovering water and gas waste heat at the same time with a single device, but also realizes the function of full heat absorption through internal circulation, and also realizes the function of internal temperature feedback.

[0014] The system is equipped with a pool body, inlet pipe, exhaust gas collection pipe, exhaust gas branch pipe, hollow plate, wastewater collection pipe, heat conduction coil, and outlet pipe. During use, high-temperature exhaust gas enters from the exhaust gas collection pipe on the right, passes through the exhaust gas branch pipe, hollow plate, and exhaust gas branch pipe, and then exits from the exhaust gas collection pipe on the left. Wastewater enters from the wastewater collection pipe on the right, passes through the heat conduction coil, and then exits from the wastewater collection pipe on the left. Clean water enters from the inlet pipe, passes through the pool body, and exits from the outlet pipe. When the clean water passes through the hollow plate and heat conduction coil from bottom to top, it exchanges heat with them, absorbing the heat from the wastewater and exhaust gas to form hot water, which then enters the subsequent heating equipment. Because it already has a certain temperature, the subsequent heating is fast, and it is relatively energy-saving in heating. It realizes the function of recovering water and gas waste heat simultaneously with a single device.

[0015] With a circulating pump, a water extraction pipe, and a water delivery pipe, the circulating pump starts simultaneously when clean water enters the pool. The circulating pump draws water through the water extraction pipe and returns it through the water delivery pipe, forming a vortex at the bottom of the pool to keep the water flowing and to maximize contact with the hollow plate and heat-conducting coil, thus achieving the function of full heat absorption through internal circulation.

[0016] By incorporating an internally threaded mounting base, an externally threaded casing, a temperature sensor, and a sensor host, the clean water inside the tank absorbs the temperature of the wastewater and exhaust gas during use, causing its own temperature to rise significantly. The temperature sensor continuously monitors the temperature of the clean water and provides feedback to the sensor host for easy viewing by staff, thus achieving the function of internal temperature feedback. Attached Figure Description

[0017] Figure 1 This is a frontal cross-sectional view of the present invention.

[0018] Figure 2 This is a top view of the pool structure of this utility model;

[0019] Figure 3 This is a front view structural diagram of the hollow plate of this utility model;

[0020] Figure 4 This is a top view of the wastewater collection pipe of this utility model.

[0021] Figure 5 This is a front enlarged structural diagram of the external threaded pipe shell of this utility model.

[0022] In the diagram: 1. Pool body; 2. Inlet pipe; 3. Exhaust gas collection pipe; 4. Exhaust gas branch pipe; 5. Hollow plate; 6. Wastewater collection pipe; 7. Heat-conducting coil; 8. Outlet pipe; 9. Sealing cover; 10. Circulation pump; 11. Pumping pipe; 12. Water delivery pipe; 13. Internal threaded fixing seat; 14. External threaded pipe shell; 15. Temperature sensor; 16. Sensor host. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example: Please refer to Figure 1-5 A high-temperature waste heat recovery tank for the textile printing and dyeing industry includes a tank body 1, an inlet pipe 2 welded to the bottom right side of the tank body 1, an outlet pipe 8 welded to the top left side of the tank body 1, a sealing cover 9 fixedly connected to the top of the tank body 1, and a waste heat recovery component for simultaneous recovery of wastewater and waste gas installed inside the tank body 1.

[0025] Please see Figure 1-5 A high-temperature waste heat recovery tank for the textile printing and dyeing industry also includes a waste heat recovery component. The waste heat recovery component includes two sets of exhaust gas collection pipes 3, which are fixedly connected to both sides of the tank body 1. Multiple sets of exhaust gas branch pipes 4 are fixedly connected to the outside of the exhaust gas collection pipes 3. Multiple sets of hollow plates 5 are arranged horizontally inside the tank body 1. Multiple sets of heat conduction coils 7 are arranged horizontally inside the tank body 1. Wastewater collection pipes 6 are welded to both sides of the heat conduction coils 7.

[0026] The two sides of the hollow plate 5 are connected to the exhaust gas branch pipe 4 respectively. The exhaust gas collection pipe 3, the exhaust gas branch pipe 4, and the hollow plate 5 are connected internally. The pool body 1 and the wastewater collection pipe 6 are fixedly connected. The wastewater collection pipe 6 and the heat conduction coil 7 are connected internally. There is a distance between the hollow plate 5 and the heat conduction coil 7. The pool body 1, the inlet pipe 2, and the outlet pipe 8 are connected internally. The waste heat of water and gas can be recovered at the same time.

[0027] Specifically, such as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, high-temperature exhaust gas enters from the exhaust gas collection pipe 3 on the right, passes through the exhaust gas branch pipe 4, hollow plate 5, and then exits from the exhaust gas collection pipe 3 on the left. Wastewater enters from the wastewater collection pipe 6 on the right, passes through the heat conduction coil 7, and then exits from the wastewater collection pipe 6 on the left. Clean water enters from the inlet pipe 2, passes through the pool body 1, and exits from the outlet pipe 8. When the clean water passes through the hollow plate 5 and the heat conduction coil 7 from bottom to top, it undergoes heat exchange with them, absorbing the heat from the wastewater and exhaust gas to form hot water, which then enters the subsequent heating equipment. Because it already has a certain temperature, the subsequent heating is fast, making it relatively energy-efficient in heating.

[0028] A circulation pump 10 is fixedly connected at the middle position of the rear end of the pool body 1. A water pump 11 is fixedly connected between the left side of the circulation pump 10 and the pool body 1, and a water supply pipe 12 is fixedly connected between the right side of the circulation pump 10 and the pool body 1. The pool body 1, the water pump 11, and the water supply pipe 12 are internally connected. The top of the water pump 11 and the water supply pipe 12 is lower than the bottom of the hollow plate 5. The heat absorption efficiency is increased through circulation.

[0029] Specifically, such as Figure 1 and Figure 2 As shown, the circulating pump 10 draws water through the pumping pipe 11 and returns it through the delivery pipe 12, forming a vortex at the bottom of the pool 1, keeping the water in a flowing state and contacting the hollow plate 5 and the heat-conducting coil 7 as much as possible.

[0030] An internal threaded fixing seat 13 is welded to the middle position of the top of the sealing cover 9. An external threaded tube shell 14 is inserted into the internal threaded fixing seat 13. A temperature sensor 15 is fixedly connected to the bottom end of the external threaded tube shell 14. A sensor host 16 is fixedly connected to the top end of the external threaded tube shell 14. The external thread of the external threaded tube shell 14 and the internal thread of the internal threaded fixing seat 13 are matched. The temperature sensor 15 passes through the sealing cover 9 and the internal threaded fixing seat 13 and extends into the interior of the pool body 1. The temperature sensor 15 and the sensor host 16 are electrically connected to facilitate monitoring of the internal temperature.

[0031] Specifically, such as Figure 1 and Figure 5 As shown, the temperature sensor 15 keeps monitoring the temperature of the clean water and feeds the feedback to the sensor host 16 for easy viewing by staff.

[0032] Working Principle: In operation, high-temperature exhaust gas first enters through the exhaust gas collection pipe 3 on the right, passes through the exhaust gas branch pipe 4 and the hollow plate 5, and then exits through the exhaust gas collection pipe 3 on the left. Wastewater enters through the wastewater collection pipe 6 on the right, passes through the heat-conducting coil 7, and then exits through the wastewater collection pipe 6 on the left. Clean water enters through the inlet pipe 2, passes through the pool body 1, and exits through the outlet pipe 8. As the clean water flows upward through the hollow plate 5 and the heat-conducting coil 7, it exchanges heat with them, absorbing the heat from the wastewater and exhaust gas to form hot water, which then enters the subsequent heating equipment. Due to its inherent temperature, the subsequent heating is rapid, resulting in energy savings. After the clean water enters the pool body 1, the circulation pump 10 starts simultaneously. The circulation pump 10 draws water through the suction pipe 11 and returns it through the delivery pipe 12, forming a vortex at the bottom of the pool body 1, keeping the water in a flowing state and maximizing contact with the hollow plate 5 and the heat-conducting coil 7. After the clean water inside pool 1 absorbs the temperature of wastewater and exhaust gas, its own temperature will rise significantly. Temperature sensor 15 keeps monitoring the temperature of the clean water and feeds it back to the sensor host 16 for easy viewing by staff.

[0033] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A high-temperature waste heat recovery tank for the textile printing and dyeing industry, comprising a tank body (1), characterized in that: A water inlet pipe (2) is welded to the bottom right side of the pool body (1), a water outlet pipe (8) is welded to the top left side of the pool body (1), a sealing cap (9) is fixedly connected to the top of the pool body (1), and a waste heat recovery component for simultaneous recovery of wastewater and waste gas is installed inside the pool body (1). The waste heat recovery assembly includes two sets of waste gas collection pipes (3), which are fixedly connected to both sides of the pool body (1). Multiple sets of waste gas branch pipes (4) are fixedly connected to the outside of the waste gas collection pipes (3). Multiple sets of hollow plates (5) are arranged horizontally inside the pool body (1). Multiple sets of heat-conducting coils (7) are arranged horizontally inside the pool body (1). Wastewater collection pipes (6) are welded to both sides of the heat-conducting coils (7).

2. The high-temperature waste heat recovery tank for the textile printing and dyeing industry according to claim 1, characterized in that: The hollow plate (5) is connected to the exhaust gas branch pipe (4) on both sides respectively, and the exhaust gas collection pipe (3), the exhaust gas branch pipe (4), and the hollow plate (5) are connected internally.

3. The high-temperature waste heat recovery tank for the textile printing and dyeing industry according to claim 1, characterized in that: The pool body (1) and the wastewater collection pipe (6) are fixedly connected, and the wastewater collection pipe (6) and the heat conduction coil (7) are internally connected.

4. The high-temperature waste heat recovery tank for the textile printing and dyeing industry according to claim 1, characterized in that: There is a distance between the hollow plate (5) and the heat-conducting coil (7), and the interior of the pool body (1), the water inlet pipe (2), and the water outlet pipe (8) are connected.

5. A high-temperature waste heat recovery tank for the textile printing and dyeing industry according to claim 1, characterized in that: A circulation pump (10) is fixedly connected at the middle position of the rear end of the pool body (1). A water pump (11) is fixedly connected between the left side of the circulation pump (10) and the pool body (1). A water delivery pipe (12) is fixedly connected between the right side of the circulation pump (10) and the pool body (1). The pool body (1), the water pump (11), and the water delivery pipe (12) are internally connected. The top of the water pump (11) and the water delivery pipe (12) is lower than the bottom of the hollow plate (5).

6. The high-temperature waste heat recovery tank for the textile printing and dyeing industry according to claim 1, characterized in that: An internal threaded fixing seat (13) is welded at the middle position of the top of the sealing cover (9). An external threaded tube shell (14) is inserted into the internal threaded fixing seat (13). A temperature sensor (15) is fixedly connected to the bottom end of the external threaded tube shell (14). A sensor host (16) is fixedly connected to the top end of the external threaded tube shell (14). The external thread of the external threaded tube shell (14) matches the internal thread of the internal threaded fixing seat (13). The temperature sensor (15) passes through the sealing cover (9) and the internal threaded fixing seat (13) and extends into the interior of the pool body (1). The temperature sensor (15) and the sensor host (16) are electrically connected.