A high-temperature waste heat recovery device for the pharmaceutical industry

By introducing a high-temperature waste heat recovery device consisting of a cold water tank and copper coils into the reactor of a pharmaceutical company, combined with a thermoelectric generator and a PLC controller, the problem of unrecovered waste heat was solved, achieving efficient recovery of waste heat, electricity, and water resources, and improving the operating efficiency of the heat pump unit.

CN224435144UActive 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

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Abstract

This utility model discloses a high-temperature waste heat recovery device for the pharmaceutical industry, relating to the technical field of waste heat recovery devices. It includes a bottom support frame, with a cold water tank fixedly connected to the middle of the top of the support frame. The cold water tank contains heat-conducting components to facilitate waste heat recovery. This high-temperature waste heat recovery device for the pharmaceutical industry includes a cold water tank, a heat pump interface, copper coils, a steam inlet, and a steam outlet. In operation, high-temperature steam enters the copper coils through the steam inlet and exits through the steam outlet. Cold water is continuously injected into the cold water tank. The inlet of the heat pump unit is connected to the heat pump interface. The steam heat in the copper coils dissipates into the water, heating the cold water in the tank. The heated water can then be heated more quickly in the heat pump unit, reducing power consumption and achieving the function of facilitating waste heat recovery. This solves the problem of devices lacking this function.
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Description

Technical Field

[0001] This utility model relates to the technical field of waste heat recovery devices, specifically a high-temperature waste heat recovery device for the pharmaceutical industry. Background Technology

[0002] Reactors are commonly used equipment in the pharmaceutical industry. In the drug preparation process, the temperature of the reactor is mainly controlled by injecting high-temperature steam or cold water into its external jacket. The steam sources are mainly heat pump units and high-pressure centrifuges that generate high-temperature steam.

[0003] Hot steam is pumped into the heating jacket of the reactor by the heat pump unit and discharged from the outlet pipe of the jacket. The discharged steam itself has a high residual temperature. Direct discharge is not only a waste of steam, but also a waste of water resources and electricity. At the same time, the heat pump unit is always running at full load and does not have the function of easily recovering waste heat.

[0004] Now, a novel high-temperature waste heat recovery device for the pharmaceutical industry is proposed to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a high-temperature waste heat recovery device for the pharmaceutical industry, so as to solve the problem mentioned in the background art of not having the function of easily recovering waste heat.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a high-temperature waste heat recovery device for the pharmaceutical industry, comprising a bottom support frame, a cold water tank fixedly connected to the middle position of the top of the bottom support frame, a heat pump interface fixedly connected to the bottom of the rear end of the cold water tank, a storage battery fixedly connected to the left side of the top of the bottom support frame, a PLC controller fixedly connected to the top of the storage battery, a condensate tank fixedly connected to the right side of the bottom inside the bottom support frame, a water inlet fixedly connected to the top of the right side of the condensate tank, a water guide pipe fixedly connected to the right side of the water inlet, a water pump interface fixedly connected to the bottom of the left side of the condensate tank, an ultrasonic level sensor fixedly connected to the left side of the top of the condensate tank, a micro pump installed on the left side of the bottom inside the bottom of the bottom support frame, a return pipe fixedly connected to the front end of the cold water tank, four sets of fixing frames fixedly connected to the bottom inside the cold water tank, multiple sets of thermoelectric generators installed between the two sides inside the fixing frames, and a heat-conducting component for easy waste heat recovery inside the cold water tank.

[0007] The heat-conducting component includes a copper coil, which is installed inside the cold water tank. A steam inlet is welded to the top left side of the cold water tank, and a steam outlet is welded to the bottom right side of the cold water tank.

[0008] As a further technical solution of this utility model, the top of the copper coil and the steam inlet are flush, and the bottom of the copper coil and the steam outlet are flush.

[0009] As a further technical solution of this utility model, the vertical center lines of the cold water tank and the copper coil coincide, and the interiors of the copper coil, the steam inlet, and the steam outlet are connected.

[0010] As a further technical solution of this utility model, the steam outlet and the water guide pipe are fixedly connected, and the steam outlet, the water guide pipe, the condensate tank, and the water inlet are internally connected.

[0011] As a further technical solution of this utility model, the water pump interface is connected to the micro pump, the micro pump and the return pipe are fixedly connected, and the PLC controller, the ultrasonic level sensor and the micro pump are electrically connected.

[0012] As a further technical solution of this utility model, the fixing frame is symmetrically distributed about the vertical center line of the bottom support frame, and the battery, PLC controller and thermoelectric generator are electrically connected.

[0013] Compared with the prior art, the beneficial effects of this utility model are: the high-temperature waste heat recovery device for the pharmaceutical industry not only realizes the function of easy waste heat recovery, but also realizes the function of condensate return and the function of electricity recovery.

[0014] Equipped with a cold water tank, heat pump interface, copper coil, steam inlet, and steam outlet, the heat pump unit pumps high-pressure steam into the jacketed partition of the reactor to heat the reactor during operation. The steam is discharged from the outlet of the partition, and the steam inlet is connected to the outlet of the partition. The high-temperature steam enters the copper coil along the steam inlet and is then discharged from the steam outlet. Cold water is continuously injected into the cold water tank. The water inlet of the heat pump unit is connected to the heat pump interface. The steam heat in the copper coil is dissipated into the water, heating the cold water in the cold water tank. The heated cold water can be heated more quickly in the heat pump unit, reducing power consumption and facilitating the recovery of waste heat.

[0015] Equipped with a water guide pipe, condensate tank, water inlet, water pump inlet, ultrasonic level sensor, micro pump, and return pipe, hot steam exchanges heat with external cold water as it passes through the copper coil, forming condensate on the inner wall of the copper coil. The condensate flows into the condensate tank along the water guide pipe. The ultrasonic level sensor monitors the liquid level in the condensate tank in real time. When the liquid level reaches a preset threshold, the micro pump starts and pumps the condensate back to the cold water tank through the return pipe, thus realizing the function of condensate return.

[0016] By setting up a fixed frame and thermoelectric generators, when hot steam passes through the copper coil, the surface temperature of the copper coil is high, while the external cold water is at a relatively low temperature. Multiple sets of thermoelectric generators are attached to the copper coil with their backs facing the cold water. The large temperature difference between the front and back allows for continuous power generation, and the current is stored in the battery, thus realizing the function of energy recovery. Attached Figure Description

[0017] Figure 1 This is a front view structural diagram of the present utility model;

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

[0019] Figure 3 This is an enlarged front cross-sectional view of the condensate tank of this utility model;

[0020] Figure 4 This is a front view structural diagram of the fixing frame of this utility model.

[0021] In the diagram: 1. Bottom support frame; 2. Battery; 3. PLC controller; 4. Cold water tank; 5. Heat pump interface; 6. Copper coil; 7. Steam inlet; 8. Steam outlet; 9. Water pipe; 10. Condensate tank; 11. Water inlet interface; 12. Water pump interface; 13. Ultrasonic level sensor; 14. Miniature pump; 15. Return pipe; 16. Mounting bracket; 17. Thermoelectric generator. Detailed Implementation

[0022] 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.

[0023] Example: Please refer to Figure 1-4 A high-temperature waste heat recovery device for the pharmaceutical industry includes a bottom support frame 1, a cold water tank 4 fixedly connected to the middle position of the top of the bottom support frame 1, a heat pump interface 5 fixedly connected to the bottom of the rear end of the cold water tank 4, a storage battery 2 fixedly connected to the left side of the top of the bottom support frame 1, a PLC controller 3 fixedly connected to the top of the storage battery 2, and a heat-conducting component for facilitating waste heat recovery is provided inside the cold water tank 4.

[0024] Please see Figure 1-4A high-temperature waste heat recovery device for the pharmaceutical industry also includes a heat-conducting component, which includes a copper coil 6. The copper coil 6 is installed inside the cold water tank 4. A steam inlet 7 is welded to the top left side of the cold water tank 4, and a steam outlet 8 is welded to the bottom right side of the cold water tank 4.

[0025] The tops of the copper coil 6 and the steam inlet 7 are flush, the bottoms of the copper coil 6 and the steam outlet 8 are flush, the vertical center lines of the cold water tank 4 and the copper coil 6 coincide, and the interiors of the copper coil 6, the steam inlet 7 and the steam outlet 8 are connected to facilitate the recovery of waste heat.

[0026] Specifically, such as Figure 1 and Figure 2 As shown, the steam inlet 7 is connected to the air outlet of the partition sleeve. High-temperature steam enters the copper coil 6 through the steam inlet 7 and then exits from the steam outlet 8. Cold water is continuously injected into the cold water tank 4. The water inlet of the heat pump unit is connected to the heat pump interface 5. The heat from the steam in the copper coil 6 is dissipated into the water, which heats the cold water in the cold water tank 4. The heated cold water can be heated up faster in the heat pump unit, reducing power consumption.

[0027] A condensate tank 10 is fixedly connected to the right side of the bottom of the bottom support frame 1. A water inlet 11 is fixedly connected to the top right side of the condensate tank 10. A water guide pipe 9 is fixedly connected to the right side of the water inlet 11. A water pump interface 12 is fixedly connected to the bottom left side of the condensate tank 10. An ultrasonic level sensor 13 is fixedly connected to the left side of the top of the condensate tank 10. A micro pump 14 is installed on the left side of the bottom of the bottom of the bottom support frame 1. A return pipe 15 is fixedly connected to the front end of the cold water tank 4. A steam outlet 8 and a water guide pipe 9 are fixedly connected. The steam outlet 8, the water guide pipe 9, the condensate tank 10, and the water inlet 11 are internally connected. The water pump interface 12 and the micro pump 14 are connected. The micro pump 14 and the return pipe 15 are fixedly connected. The PLC controller 3, the ultrasonic level sensor 13, and the micro pump 14 are electrically connected to facilitate the recycling of water resources.

[0028] Specifically, such as Figure 1 and Figure 3 As shown, condensate flows into condensate tank 10 along water pipe 9. Ultrasonic liquid level sensor 13 monitors the liquid level in condensate tank 10 in real time. When the liquid level reaches the preset threshold, micro pump 14 starts and pumps the condensate to cold water tank 4 through return pipe 15. PLC controller 3, ultrasonic liquid level sensor 13 and micro pump 14 are electrically connected. This technology is existing technology and will not be described in detail.

[0029] The bottom of the cold water tank 4 is fixedly connected to four sets of fixed brackets 16. Multiple sets of thermoelectric generators 17 are installed between the two sides inside the fixed brackets 16. The fixed brackets 16 are symmetrically distributed about the vertical center line of the bottom support frame 1. The battery 2, PLC controller 3 and thermoelectric generators 17 are electrically connected to facilitate the recovery of electrical energy.

[0030] Specifically, such as Figure 2 and Figure 4 As shown, the surface temperature of the copper coil 6 is relatively high, while the external cold water is at a relatively low temperature. Multiple thermoelectric generators 17 are attached to the back of the copper coil 6 and face the cold water. The large temperature difference between the front and back allows for continuous power generation, and the current is stored in the battery 2. The battery 2, PLC controller 3, and thermoelectric generators 17 are electrically connected. This technology is existing technology and will not be described in detail.

[0031] Working Principle: In use, the heat pump unit first pumps high-pressure steam into the jacketed partition of the reactor to heat the reactor. The steam is discharged from the outlet of the partition and the steam inlet 7 is connected to the outlet of the partition. The high-temperature steam enters the copper coil 6 through the steam inlet 7 and is discharged from the steam outlet 8. Cold water is continuously injected into the cold water tank 4. The water inlet of the heat pump unit is connected to the heat pump interface 5. The heat from the steam in the copper coil 6 is dissipated into the water, heating the cold water in the cold water tank 4. The heated cold water can be heated more quickly in the heat pump unit, reducing power consumption. When the hot steam passes through the copper coil 6, it exchanges heat with the external cold water, forming condensate on the inner wall of the copper coil 6. The condensate flows into the condensate tank 10 along the water guide pipe 9. The ultrasonic liquid level sensor 13 monitors the liquid level in the condensate tank 10 in real time. When the liquid level reaches the preset threshold, the micro pump 14 starts and pumps the condensate back to the cold water tank 4 through the return pipe 15. When hot steam passes through the copper coil 6, the surface temperature of the copper coil 6 is relatively high, while the external cold water is at a relatively low temperature. Multiple sets of thermoelectric generators 17 are attached to the back of the copper coil 6 and face the cold water. The large temperature difference between the front and back allows for continuous power generation, and the current is stored in the battery 2.

[0032] 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 device for the pharmaceutical industry, comprising a bottom support frame (1), characterized in that: A cold water tank (4) is fixedly connected to the middle position of the top of the bottom support frame (1). A heat pump interface (5) is fixedly connected to the bottom of the rear end of the cold water tank (4). A storage battery (2) is fixedly connected to the left side of the top of the bottom support frame (1). A PLC controller (3) is fixedly connected to the top of the storage battery (2). A condensate tank (10) is fixedly connected to the right side of the bottom of the bottom of the bottom support frame (1). A water inlet interface (11) is fixedly connected to the top of the right side of the condensate tank (10). A water guide pipe (9) is fixedly connected to the right side of the water inlet interface (11). A water pump interface (12) is fixedly connected to the bottom left side of the condensate tank (10). An ultrasonic liquid level sensor (13) is fixedly connected to the left side of the top of the condensate tank (10). A micro pump (14) is installed on the left side of the bottom of the bottom support frame (1). A return pipe (15) is fixedly connected to the front end of the cold water tank (4). Four sets of fixed frames (16) are fixedly connected to the bottom of the inside of the cold water tank (4). Multiple sets of thermoelectric generators (17) are installed between the two sides inside the fixed frames (16). A heat-conducting component is provided inside the cold water tank (4) to facilitate the recovery of waste heat. The heat-conducting component includes a copper coil (6), which is disposed inside the cold water tank (4). A steam inlet (7) is welded to the top left side of the cold water tank (4), and a steam outlet (8) is welded to the bottom right side of the cold water tank (4).

2. The high-temperature waste heat recovery device for the pharmaceutical industry according to claim 1, characterized in that: The top ends of the copper coil (6) and steam inlet (7) are flush, and the bottom ends of the copper coil (6) and steam outlet (8) are flush.

3. The high-temperature waste heat recovery device for the pharmaceutical industry according to claim 1, characterized in that: The vertical center lines of the cold water tank (4) and the copper coil (6) coincide, and the interiors of the copper coil (6), the steam inlet (7), and the steam outlet (8) are connected.

4. A high-temperature waste heat recovery device for the pharmaceutical industry according to claim 1, characterized in that: The steam outlet (8) and the water pipe (9) are fixedly connected, and the steam outlet (8), the water pipe (9), the condensate tank (10), and the water inlet (11) are internally connected.

5. A high-temperature waste heat recovery device for the pharmaceutical industry according to claim 1, characterized in that: The water pump interface (12) and the micro pump (14) are connected to each other. The micro pump (14) and the return pipe (15) are fixedly connected. The PLC controller (3), the ultrasonic level sensor (13), and the micro pump (14) are electrically connected.

6. A high-temperature waste heat recovery device for the pharmaceutical industry according to claim 1, characterized in that: The fixing frame (16) is symmetrically distributed about the vertical center line of the bottom support frame (1), and the battery (2), PLC controller (3) and thermoelectric generator (17) are electrically connected.