Sectional type pasteurization temperature control device
By combining a segmented parallel steam pipeline structure with a plate heat exchanger, the problems of unstable temperature control and high investment were solved, achieving low-cost and stable purified water temperature control.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- AQUA WORTH SUZHOU ENVIRONMENTAL PROTECTION
- Filing Date
- 2025-05-12
- Publication Date
- 2026-05-15
AI Technical Summary
Existing pasteurization temperature control devices suffer from unstable temperature control and high investment costs, especially due to improper control of proportional valves, which cause temperature fluctuations and are expensive.
The system employs a segmented parallel steam pipe structure, which regulates the temperature by controlling the on/off state of different numbers of steam pipes. Combined with a plate heat exchanger and a condensate system, it achieves precise temperature control and stability.
It achieves temperature control with small temperature fluctuations, low investment costs, and simple operation, ensuring the stability and safety of the purified water system.
Smart Images
Figure CN224242744U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sterilization technology, specifically to a segmented pasteurization temperature control device. Background Technology
[0002] Purified water is required in industries such as biopharmaceuticals, food, and cosmetics. The stability of purified water quality is a crucial indicator for controlling product yield. Bacterial control of purified water is particularly important for these industries, and the commonly used method is periodic pasteurization to ensure product stability. Existing technology uses proportional valves to control the steam flow and thus the temperature rise. However, a drawback is that if the temperature sensor and proportional valve are not properly controlled, the temperature can fluctuate wildly. Furthermore, proportional valves are expensive, resulting in a high initial investment. Utility Model Content
[0003] To address the aforementioned technical problems, this invention provides a segmented pasteurization temperature control device, which effectively solves the temperature control issue in purified water systems. It features minimal temperature fluctuations, low investment costs, and ease of use.
[0004] Specifically, this utility model discloses a segmented pasteurization temperature control device, comprising:
[0005] A purified water tank is connected to a purified water pump;
[0006] Heat exchanger assembly, purified water tank connection;
[0007] The temperature control system includes multiple parallel steam pipes connected to a heat exchanger assembly, and the steam pipes are equipped with valves.
[0008] The advantages of adopting the above technical solution are that by setting up parallel steam pipes, different numbers of steam pipes can be opened during sterilization to achieve temperature control, resulting in small temperature fluctuations, low investment costs, and simple use.
[0009] Furthermore, the heat exchanger assembly is connected to a drainage system, including a drain pipe, a drain valve is provided on the drain pipe, and a water collection tank is connected to the end of the drain pipe.
[0010] The advantage of adopting the above technical solution is that the setting of the condensate drainage system facilitates the discharge of steam condensate from the heat exchanger assembly, ensuring the heat exchange effect of the steam.
[0011] Furthermore, the steam pipeline is divided into pipeline one, pipeline two and pipeline three, each equipped with valve one, valve two and valve three respectively, and the diameters of pipeline one, pipeline two and pipeline three are different.
[0012] The advantage of adopting the above technical solution is that valves are installed on multiple pipelines, and the opening and closing of multiple pipelines can be controlled by controlling the valves, thereby controlling the amount of steam entering the heat exchanger assembly and achieving the purpose of temperature control.
[0013] Furthermore, the purified water tank is equipped with an outlet pipe and a return pipe. The outlet pipe is connected to the bottom of the purified water tank, the purified water pump is installed on the outlet pipe, and the return pipe is connected to the inlet located at the top of the purified water tank.
[0014] The advantage of adopting the above technical solution is that the purified water tank is used to store pure water, and the purified water flows out from the outlet pipe, is heated by the heat exchanger assembly, and then flows back through the return pipe to realize the entire purified water circulation system.
[0015] Furthermore, the purified water tank is equipped with a nozzle connected to the water inlet.
[0016] The advantage of adopting the above technical solution is that it can effectively reduce the system failure rate and ensure system stability. The spray head can be a 360° spray ball, which rotates after water flows through it, keeping the water tank wall in a constant state of rinsing and preventing bacterial growth.
[0017] Furthermore, a water replenishment pipe is also provided on the top of the purified water tank for replenishing purified water.
[0018] The advantage of adopting the above technical solution is that, as purified water is continuously consumed during use, water is replenished through a water replenishment pipe to ensure sufficient water in the purified water tank and guarantee its use.
[0019] Furthermore, a temperature controller is installed on the return water pipe.
[0020] The advantage of adopting the above technical solution is that the temperature controller is used to monitor the temperature.
[0021] Furthermore, the heat exchanger assembly is a plate heat exchanger with an outlet and an inlet at the top and bottom, which are connected to the purified water tank. It has heat exchange pipes inside, which are connected to the steam pipes.
[0022] The advantages of adopting the above technical solution are that plate heat exchangers have the advantages of small footprint and high heat transfer efficiency, and they can exchange heat between purified water and steam in the heat exchange pipe to achieve the function of heating and sterilization.
[0023] Furthermore, a pressure gauge is installed on the water outlet pipe.
[0024] The advantage of adopting the above technical solution is that the pressure gauge is installed to detect the pressure inside the pipeline, ensuring safe use. Attached Figure Description
[0025] To more clearly illustrate the technical solutions in the embodiments of this utility model, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.
[0026] Figure 1 This is a schematic diagram of the overall structure of the segmented pasteurization temperature control device of this utility model.
[0027] The reference numerals used in the attached figures are as follows:
[0028] Purified water tank 1; outlet pipe 11; return water pipe 12; nozzle 13; water supply pipe 14; temperature controller 15; pressure gauge 16; purified water pump 2; heat exchanger assembly 3; outlet 31; inlet 32; temperature control system 4; drain pipe 5; steam trap 51; water receiving tank 52; branch pipe 53; pipe one 6; valve one 61; pipe two 7; valve two 71; pipe three 8; valve three 81. Detailed Implementation
[0029] The present invention will now be described in further detail with reference to the accompanying drawings.
[0030] like Figure 1 As shown, this utility model discloses a segmented pasteurization temperature control device, comprising:
[0031] A purified water tank 1 is connected to a purified water pump 2;
[0032] Heat exchanger assembly 3 is connected to purified water tank 1;
[0033] The temperature control system 4 includes multiple steam pipes connected in parallel to the heat exchanger assembly 3, and the steam pipes are equipped with valves.
[0034] The advantages of adopting the above technical solution are that by setting up parallel steam pipes, different numbers of steam pipes can be opened during disinfection to achieve temperature control, resulting in small temperature fluctuations, low investment costs, and simple operation. The valves on each steam pipe can be controlled in various combinations, such as opening 3, 2, or 1 channels, to control the temperature in stages, thereby controlling the temperature rise of the purified water.
[0035] Furthermore, the steam pipeline is divided into three sections: Pipeline 6 (Section 1), Pipeline 7 (Section 2), and Pipeline 8 (Section 3), which are connected in parallel. Each pipe is equipped with a valve (Section 1) 61, a valve (Section 2) 71, and a valve (Section 3) 81. Pipelines 6, 7, and 8 have different diameters and are equipped with inlet and outlet pipes at both ends. The outlet pipe connects to the heat exchange pipes inside the heat exchanger, while the inlet pipe is used to introduce steam. Valves 61, 71, and 81 are electric valves controlled by a motor. Shut-off valves are also installed on pipes 6, 7, and 8.
[0036] During implementation, the internal diameter of each pipe is set. For example, the diameter of pipe 6 can be set to 45 mm (inner diameter 40 mm), the diameter of pipe 7 to 37 mm (inner diameter 32 mm), and the diameter of pipe 8 to 25 mm (inner diameter 20 mm). Thus, opening pipe 6 alone can raise the temperature of the purified water by 20 degrees Celsius, opening pipe 7 alone can raise the temperature of the purified water by 10 degrees Celsius, and opening pipe 8 alone can raise the temperature of the purified water by 5 degrees Celsius. Therefore, when all three pipes are fully open, the purified water temperature can be raised by 35 degrees Celsius. There are a total of 7 combinations of opening and closing pipes 6, 7, and 8.
[0037] Furthermore, the purified water tank 1 is equipped with an outlet pipe 11 and a return pipe 12. The outlet pipe 11 is connected to the bottom of the purified water tank 1, and the purified water pump 2 is installed on the outlet pipe 11 to drive the purified water to flow. The return pipe 12 is connected to the inlet located at the top of the purified water tank 1 to realize the circulation of the purified water. At the same time, the outlet pipe 11 is also equipped with a usage point for convenient use of purified water when heating is not required.
[0038] Furthermore, the purified water tank 1 is equipped with a nozzle 13 that is fixedly connected to the water inlet. The purified water that flows back through the return water pipe 12 enters the purified water tank 1 through the nozzle 13.
[0039] In addition, a water replenishment pipe 14 is installed on the top of the purified water tank 1 for replenishing purified water. As purified water is continuously consumed during use, it is replenished through the water replenishment pipe 14 to ensure a sufficient water level in the purified water tank 1 for continued use.
[0040] In some implementation schemes, a temperature controller 15 is installed on the return water pipe 12. The temperature controller 15 is set up to monitor the temperature; a pressure gauge 16 is installed on the outlet water pipe 11 to detect the pressure inside the pipe and ensure safe use.
[0041] In some implementations, the heat exchanger assembly 3 is a plate heat exchanger with an outlet 31 and an inlet 32 at the top and bottom. The inlet 32 at the bottom is connected to the water outlet pipe, and the outlet 31 is connected to the return water pipe 12. A heat exchange pipe is installed inside, which is connected to a steam pipe. Purified water enters the plate heat exchanger through the bottom and exchanges heat with the steam introduced into the heat exchange pipe to heat the purified water and achieve sterilization.
[0042] Furthermore, the heat exchanger assembly 3 is connected to a condensate drain system, including a drain pipe 5. One end of the drain pipe 5 is connected to the bottom of the heat exchange pipe for draining condensate, and the other end of the drain pipe 5 is connected to a water collection tank 52 for collecting condensate. A condensate trap 51 is installed on the drain pipe 5 to prevent steam leakage. A valve is also installed on the drain pipe 5, which can be a shut-off valve to control the opening and closing of the drain pipe 5. The drain pipe 5 also has a branch pipe 53 with a shut-off valve installed, allowing for manual condensation when the condensate trap 51 fails to drain properly.
[0043] In operation, first open valve 61, valve 71, and valve 81. The purified water circulates under the drive of the purified water pump 2 and is heated to 55°C by the heat exchanger assembly 3. After all the purified water has completed one cycle, open valve 61 and valve 71 to circulate the purified water again and heat it to 85°C until all the purified water has completed the cycle. Finally, only open valve 81 to make up for the temperature loss during the purified water circulation process and stabilize the purified water temperature between 80-85°C, which has a good sterilization effect.
[0044] This device divides the steam inlet pipeline into three paths, each with a different diameter. Temperature can be controlled in stages by using various configurations such as three paths, two paths, or one path, thereby controlling the temperature rise of the purified water.
[0045] This device also features reduced investment in primary equipment and safe and stable operation, making it promising for applications in biopharmaceuticals, food, cosmetics, and other fields.
[0046] For those skilled in the art, various modifications and improvements can be made without departing from the inventive concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.
Claims
1. A segmented pasteurization temperature control device, characterized in that, include: A purified water tank (1) is connected to a purified water pump (2); Heat exchanger assembly (3) and purified water tank (1) are connected; The temperature control system (4) includes a plurality of parallel steam pipes connected to the heat exchanger assembly (3), and the steam pipes are equipped with valves.
2. The segmented pasteurization temperature control device according to claim 1, characterized in that, The heat exchanger assembly (3) is connected to a drainage system, including a drain pipe (5), a drain valve (51) is provided on the drain pipe (5), and a water collection tank (52) is connected to the end of the drain pipe (5).
3. The segmented pasteurization temperature control device according to claim 1, characterized in that, The steam pipeline is divided into pipeline one (6), pipeline two (7) and pipeline three (8), and valve one (61), valve two (71) and valve three (81) are respectively installed on it. The diameters of pipeline one (6), pipeline two (7) and pipeline three (8) are different.
4. The segmented pasteurization temperature control device according to claim 1, characterized in that, The purified water tank (1) is provided with an outlet pipe (11) and a return pipe (12). The outlet pipe (11) is connected to the bottom of the purified water tank (1). The purified water pump (2) is installed on the outlet pipe (11). The return pipe (12) is connected to the water inlet located at the top of the purified water tank (1).
5. The segmented pasteurization temperature control device according to claim 4, characterized in that, The purified water tank (1) is equipped with a nozzle (13) connected to the water inlet.
6. The segmented pasteurization temperature control device according to claim 5, characterized in that, The top of the purified water tank (1) is also equipped with a water replenishment pipe (14) for replenishing purified water.
7. The segmented pasteurization temperature control device according to claim 1, characterized in that, A temperature controller (15) is installed on the return water pipe (12).
8. The segmented pasteurization temperature control device according to claim 1, characterized in that, The heat exchanger assembly (3) is a plate heat exchanger with an outlet (31) and an inlet (32) at the top and bottom ends, which are connected to the purified water tank (1). It has a heat exchange pipe inside, which is connected to the steam pipe.
9. The segmented pasteurization temperature control device according to claim 1, characterized in that, A pressure gauge (16) is installed on the water outlet pipe (11).