Pumping system with self-cleaning function without disassembly
By introducing a three-way valve and a constant temperature water tank into the feeding pump system, combined with the water pump and the control host, the feeding pump can be self-cleaned without disassembly, solving the problem of difficult cleaning when material is stuck or the pump is blocked, and improving production efficiency and sealing performance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BEIJING PHABUILDER BIOTECHNOLOGY CO LTD
- Filing Date
- 2025-07-14
- Publication Date
- 2026-05-29
AI Technical Summary
Existing feed pumps require disassembly for cleaning and maintenance when they get stuck or clogged, resulting in low production efficiency and reduced sealing performance.
A feeding pump system with a self-cleaning function that does not require disassembly was designed. By setting a three-way valve and valve control on the pipeline, combined with a constant temperature water tank, water pump and control host, automatic hot water cleaning is achieved, avoiding disassembly operation.
It enables automatic cleaning of the feed pump without disassembly, improving production efficiency, protecting seals, and reducing labor costs and equipment damage.
Smart Images

Figure CN224301049U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a feeding pump system, specifically a feeding pump system used in the production process of biological samples, and more specifically, a feeding pump system with a self-cleaning function that does not require disassembly. Background Technology
[0002] Feed pumps are frequently used to transport biological products during production. Due to the characteristics of biological products, the feed solution often becomes unstable, fluctuating in consistency. This frequently leads to material trapping and pump blockage in the feed pumps. Blockage results in trapped material (product residue) preventing the mechanical seal from functioning properly, causing the mechanical seal system to fail and resulting in leakage and losses. Furthermore, cleaning and repairing the feed pump requires disassembly, which is time-consuming and labor-intensive, impacting production efficiency. Frequent disassembly also damages fasteners (such as screws), weakening the sealing performance. Utility Model Content
[0003] (a) Technical problems to be solved
[0004] The technical problem to be solved by this utility model is that existing material pumps have to be disassembled for cleaning and maintenance when material gets stuck or the pump gets clogged.
[0005] (II) Technical Solution
[0006] To solve the above-mentioned technical problems, this utility model proposes a material pump system with a self-cleaning function that does not require disassembly, including a material pump machine with an inlet and an outlet. The material pump system also includes an inlet tee, an outlet tee, an inlet valve, a water inlet valve, and an outlet valve. One end of the inlet tee is connected to the inlet, and the other two ends are respectively connected to the inlet valve and the water inlet valve. One end of the outlet tee is connected to the outlet, and the other two ends are respectively connected to the outlet valve and the outlet valve. When the inlet valve and the outlet valve are controlled to be closed and the water inlet valve and the outlet valve are controlled to be opened, hot water can be injected into the material pump machine through the water inlet valve and the wastewater flowing through the material pump machine can flow out from the outlet valve, thereby cleaning the material pump machine.
[0007] In a preferred embodiment of the present invention, the feeding pump system further includes a constant temperature water tank, which is used to provide hot water for cleaning the feeding pump.
[0008] In a preferred embodiment of this utility model, a temperature sensor and a heating device are installed in the constant temperature water tank. The temperature sensor detects the temperature of the water in the constant temperature water tank in real time and generates a temperature sensing signal. The heating controller controls the start and stop of the heating device according to the temperature sensing signal, so as to control the temperature of the water in the constant temperature water tank within a constant temperature range.
[0009] In a preferred embodiment of the present invention, the feeding pump system further includes a water pump motor, which is used to inject water from the constant temperature water tank into the feeding pump motor.
[0010] In a preferred embodiment of the present invention, the feeding pump system further includes a control host, which is used to control the operation of the feeding pump and the water pump, and to control the opening or closing of the feed valve, discharge valve, water inlet valve and water outlet valve, thereby controlling whether the feeding pump system is in working mode or cleaning mode.
[0011] In a preferred embodiment of the present invention, in the working mode, the heating device is turned off, the inlet valve and the outlet valve are closed, the feed valve and the discharge valve are opened, and then the feeding pump is started.
[0012] In a preferred embodiment of the present invention, in the cleaning mode, the heating device is turned on, the control device starts automatic constant temperature control, so that the water in the constant temperature water tank is heated to a predetermined temperature range; then, the feed valve and discharge valve are closed, the water inlet valve and water outlet valve are opened, and the water pump is started.
[0013] In a preferred embodiment of the present invention, the material pump system further includes a water outlet pipe and a wastewater tank. One end of the water outlet pipe is connected to the water outlet valve, and the other end is inserted into the wastewater tank.
[0014] In a preferred embodiment of this utility model, the water temperature of the hot water is controlled between 65° and 70°.
[0015] In a preferred embodiment of this utility model, the operating pressure of the water pump is between 0.6 and 0.8 MPa.
[0016] (III) Beneficial Effects
[0017] This invention allows for easy switching of the feed pump's inlet between feeding and water intake, and the outlet between discharging and water discharge, by installing a tee and corresponding valve on the pipeline, thus enabling cleaning of the pump without disassembly.
[0018] This invention provides constant-temperature hot water and a corresponding water pump, which allows for convenient control of the material pump cleaning mode to automatically complete the cleaning process.
[0019] This utility model provides a control host to control valves, feed pumps, and water pumps, and uses temperature sensors and heating devices for automatic control, making it convenient for users to operate in working and cleaning modes. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of an embodiment of the material pump system with a self-cleaning function that does not require disassembly according to this utility model.
[0021] Figure 2 This is a schematic diagram of the wiring connection of the control host of a material pump system with a self-cleaning function that does not require disassembly, according to an embodiment of this utility model. Detailed Implementation
[0022] To address the problem that existing material pumps require disassembly for cleaning and maintenance when material gets stuck or clogs, this invention proposes a self-cleaning material pump system that does not require disassembly. Specifically, it includes a material pump, an inlet tee, an outlet tee, an inlet valve, a water inlet valve, and an outlet valve. The material pump has an inlet and an outlet. One end of the inlet tee is connected to the inlet, and the other two ends are connected to the inlet valve and the water inlet valve, respectively. One end of the outlet tee is connected to the outlet, and the other two ends are connected to the outlet valve and the water outlet valve, respectively. Thus, when the inlet and outlet valves are closed and the water inlet and outlet valves are opened, hot water is injected into the material pump through the water inlet valve, and wastewater flowing through the pump exits through the outlet valve, thereby automatically cleaning the material pump.
[0023] A constant-temperature water tank can be provided to supply hot water for cleaning the feed pump. A temperature sensor and heating device can be installed in the tank. The temperature sensor detects the water temperature in the tank in real time and generates a temperature sensing signal. The heating controller uses this signal to control the heating device's start and stop, thus maintaining the water temperature within a constant range. Alternatively, a water pump can be provided to inject the water from the tank into the feed pump.
[0024] As a more preferred embodiment, the feeding pump system of this utility model also provides a control host, which is used to control the operation of the feeding pump and the water pump, and to control the opening or closing of the feed valve, discharge valve, water inlet valve, and water outlet valve, thereby controlling whether the feeding pump system is in working mode or cleaning mode. In working mode, the heating device is turned off, the water inlet valve and the water outlet valve are closed, the feed valve and the discharge valve are opened, and then the feeding pump is started; in cleaning mode, the heating device is turned on, the control device activates automatic constant temperature control, so that the water in the constant temperature water tank is heated to a predetermined temperature range; then, the feed valve and the discharge valve are closed, the water inlet valve and the water outlet valve are opened, and the water pump is started.
[0025] In addition, the feed pump system may also include a water outlet pipe and a wastewater tank, with one end of the water outlet pipe connected to a water outlet valve and the other end inserted into the wastewater tank.
[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings.
[0027] Figure 1 This is a schematic diagram of one embodiment of the material pump system with a self-cleaning function that does not require disassembly, according to this utility model. Figure 1 As shown, the feeding pump system of this embodiment includes a feeding pump 1, which has an inlet and an outlet. Both the inlet and outlet are connected to pipes, which connect to an inlet tee 2 and an outlet tee 5, respectively. Both the inlet tee 2 and the outlet tee 5 are pipes with three ports. One port of the inlet tee 2 is connected to the inlet pipe of the feeding pump 1, and one port of the outlet tee 5 is connected to the outlet pipe of the feeding pump 1.
[0028] The other two ports of the feed tee 2 are connected to the feed valve 3 and the water inlet valve 9, respectively. The other two ports of the discharge tee 5 are connected to the discharge valve 7 and the water outlet valve 10, respectively. One end of the feed valve 3 is connected to one port of the feed tee 2, and the other end is connected to the feed pipe 4. One end of the water inlet valve 9 is connected to the other port of the feed tee 2, and the other end is connected to the water inlet pipe 12. One end of the discharge valve 6 is connected to one port of the discharge tee 5, and the other end is connected to the discharge pipe 7. One end of the water outlet valve 10 is connected to the other port of the water outlet tee 5, and the other end is connected to the water outlet pipe 11.
[0029] One end of the inlet pipe 12 is connected to the inlet valve 9, and the other end is connected to a water pump 13. The water pump 13 is also connected to a water pump inlet pipe 14, and one inlet of the water pump inlet pipe 14 is inserted into the constant temperature water tank 8. One end of the outlet pipe 11 is connected to the outlet valve 10, and the other end is inserted into the wastewater tank 17.
[0030] The constant temperature water tank 8 is used to provide hot water for cleaning the feed pump 1. This invention provides heating to the constant temperature water tank in various ways, including steam heating and electric heating, depending on the heating device. When using steam heating, a steam pipe can be installed in the water tank 8 to introduce steam; when using electric heating, a heating rod can be installed in the water tank. Figure 1 The image shows the installation of the heating rod 16.
[0031] To maintain the water temperature in water tank 8 within a constant temperature range, a temperature sensor 15 can be installed in the constant temperature water tank 8, and a heating controller can control the heating device to turn on and off. The temperature sensor 15 detects the water temperature in the tank in real time and generates a temperature sensing signal. The heating controller controls the heating device (e.g., a steam pipe or heating rod) based on this temperature sensing signal. When the temperature is less than or equal to a first threshold, the heating controller controls the heating device to heat, for example, by opening the valve of the steam pipe (e.g., a solenoid valve) or turning on the switch (or contactor) of the heating rod. When the temperature is greater than or equal to a second threshold (greater than the first threshold), the heating controller controls the heating device to stop heating, for example, by closing the valve of the steam pipe or turning off the switch of the heating rod. The first threshold is, for example, 65°C, and the second threshold is, for example, 70°C. The first and second thresholds can be adjusted according to actual conditions.
[0032] The heating controller can be implemented using any signal controller with signal processing capabilities, such as a microcontroller, PLC, or microcontroller. It can also be implemented using more complex industrial computers, PCs, or mobile terminal devices.
[0033] In the above embodiment, the heating controller's function is implemented by the control host 18. That is, the self-cleaning, non-disassembly-required feeding pump system of this embodiment also includes a control host 18, which not only implements the function of the heating controller but also controls the operation of various components of the feeding pump system. The control host 18 may have a main control element and corresponding input / output interfaces. For example, the main control element may be implemented by a PLC or microcontroller, and the entire device has a housing equipped with simple input / output elements such as LEDs, buttons, or screens.
[0034] Figure 2 This is a schematic diagram of the control unit wiring for an embodiment of the self-cleaning, non-disassembly-required material pump system of this utility model. See below for further details. Figure 2 To explain how the control host 18 works.
[0035] like Figure 2 As shown, the control host 18, in addition to connecting the sensing wire of the temperature sensor 15 and the switch (or contactor) of the heating rod 16, is also connected to the switches (or contactors) of the feed pump 1 and the water pump 13, as well as the control terminals of the feed valve 3, discharge valve 6, water inlet valve 9, and water outlet valve 10. Therefore, the control host 18 can automatically control the heating device in the constant temperature water tank 8 to maintain the water temperature, control the operation of the feed pump 1 and the water pump 13, and control the opening or closing of the feed valve 3, discharge valve 6, water inlet valve 9, and water outlet valve 10, thereby controlling whether the feed pump system is in working mode or cleaning mode.
[0036] When the feeding pump system needs to perform normal feeding, the heating device (heating rod 16, etc.) is turned off, the inlet valve 9 and outlet valve 10 are closed, the feed valve 3 and outlet valve 6 are opened, and then the feeding pump 1 is started. When the feeding pump needs to be cleaned, the heating device is first turned on and the automatic thermostatic control is activated to heat the water in the thermostatic water tank to a predetermined temperature range (e.g., between 65°C and 70°C). Then the feed valve 3 and outlet valve 6 are closed, the inlet valve 9 and outlet valve 10 are opened, and the water pump 13 is started. Thus, the hot water in the thermostatic water tank 8 is injected into the feeding pump 1 for automatic cleaning, and the wastewater generated during cleaning is injected into the wastewater tank 17. In this embodiment, the operating pressure of the water pump 13 is between 0.6 and 0.8 MPa.
[0037] As described in the above embodiments, this invention allows for convenient switching of the feed inlet of the material pump between feeding and water intake, and the discharge outlet between discharging and water discharge, enabling cleaning of the pump without disassembly and providing automatic control during cleaning. Furthermore, by providing a unified control host, this invention facilitates user operation in both working and cleaning modes.
[0038] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above description is only a specific embodiment of this utility model and is not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A feeding pump system with a self-cleaning function that does not require disassembly, comprising a feeding pump (1), the feeding pump (1) having an inlet and an outlet, characterized in that: The feeding pump system also includes a feed tee (2), a discharge tee (5), a feed valve (3), a discharge valve (6), a water inlet valve (9), and a water outlet valve (10). One end of the feed tee (2) is connected to the feed port, and the other two ends are connected to the feed valve (3) and the water inlet valve (9) respectively. One end of the discharge tee (5) is connected to the discharge port, and the other two ends are connected to the discharge valve (6) and the water valve (10) respectively. When the feed valve (3) and discharge valve (6) are controlled to be closed and the water inlet valve (9) and water outlet valve (10) are controlled to be opened, hot water can be injected into the feed pump (1) through the water inlet valve (9) and the wastewater flowing through the feed pump (1) can be discharged from the water outlet valve (10), thereby cleaning the feed pump (1).
2. The material pump system with self-cleaning function without disassembly as described in claim 1, characterized in that, The feed pump system also includes a constant temperature water tank (8) for providing hot water for cleaning the feed pump (1).
3. The material pump system with self-cleaning function without disassembly as described in claim 2, characterized in that, The constant temperature water tank (8) is equipped with a temperature sensor (15) and a heating device. The temperature sensor (15) detects the temperature of the water in the constant temperature water tank (8) in real time and generates a temperature sensing signal. A heating controller controls the start and stop of the heating device according to the temperature sensing signal, so as to control the temperature of the water in the constant temperature water tank (8) within a constant temperature range.
4. The material pump system with self-cleaning function without disassembly as described in claim 3, characterized in that, The feeding pump system also includes a water pump (13) for injecting water from the constant temperature water tank (8) into the feeding pump (1).
5. The material pump system with self-cleaning function without disassembly as described in claim 4, characterized in that, The material pump system also includes a control host (18), which controls the operation of the material pump (1) and the water pump (13), and controls the opening or closing of the feed valve (3), discharge valve (6), water inlet valve (9) and water outlet valve (10), thereby controlling whether the material pump system is in working mode or cleaning mode.
6. The material pump system with self-cleaning function without disassembly as described in claim 5, characterized in that, In the operating mode, the heating device is turned off, the inlet valve (9) and outlet valve (10) are closed, the feed valve (3) and outlet valve (6) are opened, and then the feeding pump (1) is started.
7. The material pump system with self-cleaning function without disassembly as described in claim 5, characterized in that, In the cleaning mode, the heating device is turned on, the heating controller starts automatic constant temperature control, so that the water in the constant temperature water tank (8) is heated to a predetermined temperature range; then, the feed valve (3) and the discharge valve (6) are closed, the water inlet valve (9) and the water outlet valve (10) are opened, and the water pump (13) is started.
8. The material pump system with self-cleaning function without disassembly as described in claim 1, characterized in that, The material pump system also includes a water outlet pipe (11) and a wastewater tank (17). One end of the water outlet pipe (11) is connected to the water outlet valve (10), and the other end is inserted into the wastewater tank (17).
9. The material pump system with self-cleaning function without disassembly as described in any one of claims 1 to 8, characterized in that, The temperature of the hot water is controlled between 65° and 70°.
10. The feeding pump system with self-cleaning function without disassembly as described in any one of claims 4 to 7, characterized in that, The operating pressure of the water pump (13) is between 0.6 and 0.8 MPa.