Side filter device of cooling tower system
By using a rotating arm backwash filter and an electrical control box, the problems of low filtration efficiency and low automation in cooling tower filtration systems have been solved, achieving highly efficient automated filtration and backwashing, thus improving the working efficiency and service life of cooling towers.
Patent Information
- Application Number
- CN202520471560.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-18
AI Technical Summary
Existing cooling tower filtration systems have low filtration efficiency and low automation, are prone to clogging, and cannot achieve automatic backwashing.
The system employs a rotary backwash filter and an electrical control box. It achieves automated filtration and backwashing through water pump and pipeline connection. The electrical control box automatically determines the backwashing requirement based on the water pressure monitored by the pressure gauge, and the motor drives the filter to rotate and discharge impurities.
It achieves efficient filtration and automatic backwashing of the cooling tower system, improving working efficiency and service life, reducing the amount of chemical agents used, and lowering operating costs.
Smart Images

Figure CN223901407U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of purification and filtration, and particularly relates to a bypass filter device of a cooling tower system. BACKGROUND
[0002] The cooling tower is a commonly used device in industrial production, and is mainly used for recycling of cooled hot water. During the operation of the cooling tower, a large amount of impurities such as silt, algae and microorganisms may be mixed into the cooling water. If the impurities are not filtered in time, the heat exchange efficiency of the cooling tower may be reduced, and even the pipeline may be blocked, thereby affecting the normal operation of the device.
[0003] At present, the common cooling tower filtration system usually adopts a direct filtration mode, that is, the cooling water is filtered through a filter. However, the existing filtration system has the problem of low filtration efficiency: the existing filter usually adopts a fixed filter screen, and the filtration area is limited, which is easy to be blocked, thereby reducing the filtration efficiency; and the existing filtration system mostly needs manual operation, and has low automation degree, and cannot realize the automatic backwashing function. SUMMARY
[0004] To solve the technical problems of low efficiency and low automation degree, the utility model provides a bypass filter device of a cooling tower system.
[0005] The utility model adopts the following technical scheme: a bypass filter device of a cooling tower system, including the swivel arm backwash filter and the water pump, the bottom end of the swivel arm backwash filter is connected with the emptying, the surface of the swivel arm backwash filter is installed with the electric control box, the top end of the swivel arm backwash filter is set up with the exhaust port and the pressure gauge mouth, the outward side of the swivel arm backwash filter is connected with one end of the first connecting pipe, the other end of the first connecting pipe is connected with the water outlet main pipe.
[0006] The water pump is connected with the through pipe between the swivel arm backwash filter, the outward side of the swivel arm backwash filter is connected with the liquid inlet, the outward extension of the water inlet main pipe is connected with one end of the second connecting pipe, and the other end of the second connecting pipe is connected to the liquid inlet of the water pump.
[0007] The cooling water in the cooling tower system enters the water pump through the water inlet main pipe and the second connecting pipe, and the water pump pumps the cooling water into the inside of the swivel arm backwash filter through the through pipe. The cooling water is filtered by the filter in the swivel arm backwash filter, and the impurities and suspended matters are intercepted on the surface of the filter, so that the impurities in the water are removed, and the filtered clean water enters the water outlet main pipe through the first connecting pipe, and finally returns to the cooling tower system.
[0008] As a further optimization scheme of the utility model, the control module is arranged in the electric control box, the control module is electrically connected with the rotary arm backwash filter and the water pump, and the control module is used for controlling the working of the rotary arm backwash filter and the start and stop of the water pump.
[0009] As a further optimization scheme of the utility model, the water outlet main pipe is connected with the rotary arm backwash filter, and the water inlet main pipe is connected with the water pump.
[0010] As a further optimization scheme of the utility model, when the impurities on the filter accumulate to a certain degree, the control module in the electric control box starts the motor to drive the filter to rotate, and simultaneously opens the valve of the emptying port to discharge the impurities. The control module can also automatically judge whether the backwash function needs to be started according to the water pressure change monitored by the pressure gauge port, so as to ensure the normal operation of the filter.
[0011] As a further optimization scheme of the utility model, the valve is arranged on the first connecting pipeline and the second connecting pipeline, and the opening and closing of the pipeline are controlled.
[0012] As a further optimization scheme of the utility model, the exhaust port is used for discharging the air in the rotary arm backwash filter, and the pressure gauge port is used for installing the pressure gauge to monitor the water pressure in the rotary arm backwash filter.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] 1. The utility model can realize the efficient filtration and automatic backwash function of the cooling tower system, and effectively improve the working efficiency and service life of the cooling tower.
[0015] 2. The utility model removes the impurities in the water through the filtration of the filter in the rotary arm backwash filter, and the impurities and suspended matters are intercepted on the surface of the filter. The filtered clean water enters the water outlet main pipe through the first connecting pipeline, and finally returns to the cooling tower system, so that the purpose of filtration and cooling is realized. The physical filtration reduces the impurities in the water, reduces the amount of chemical agents such as bactericides and scale inhibitors, and is beneficial to environmental protection and reduces the operation cost.
[0016] 3. When the impurities on the filter accumulate to a certain degree, the control module in the electric control box starts the motor to drive the filter to rotate, and simultaneously opens the valve of the emptying port to discharge the impurities. The control module can also automatically judge whether the backwash function needs to be started according to the water pressure change monitored by the pressure gauge port, so as to ensure the normal operation of the filter. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a whole structure schematic view of the utility model;
[0018] Figure 2 It is a whole structure schematic view of the utility modelFigure 1 Schematic view of the middle part structure;
[0019] Figure 3 Schematic view of the water inlet main pipe connection state of the utility model;
[0020] Figure 4 Schematic view of the connecting pipe connection structure of the utility model.
[0021] Main symbol explanation:
[0022] 1, rotating arm backwash filter; 2, emptying port; 3, electric control box; 4, exhaust port; 5, pressure gauge port; 6, first connecting pipeline; 61, second connecting pipeline; 7, water inlet main pipe; 8, water outlet main pipe; 9, blowdown port; 10, blowdown main pipe; 11, water pump; 12, connecting pipe; 13, liquid inlet. Specific implementation
[0023] Next, the utility model is further described in combination with the drawings and specific implementation, and it should be noted that the following described embodiments or technical features can be combined to form new embodiments without conflict.
[0024] Embodiment 1:
[0025] Please combine Figures 1-4 The embodiment proposes a cooling tower system's side filter device, including rotating arm backwash filter 1 and water pump 11, and the bottom end of rotating arm backwash filter 1 is connected with emptying port 2, and the surface of rotating arm backwash filter 1 is installed with electric control box 3, and the top end of rotating arm backwash filter 1 is provided with exhaust port 4 and pressure gauge port 5, and the outward side of rotating arm backwash filter 1 is connected with one end of first connecting pipeline 6, and the other end of first connecting pipeline 6 is connected with water outlet main pipe 8; the outward side of rotating arm backwash filter 1 is connected with blowdown port 9, and the bottom end of blowdown port 9 is connected with blowdown main pipe 10.
[0026] Electric control box 3 is provided with control module, and control module is electrically connected with rotating arm backwash filter 1 and water pump 11, and control module is used for controlling the work of rotating arm backwash filter 1 and the start-stop of water pump 11.
[0027] Specifically, when the impurities on the filter accumulate to a certain degree, the control module in electric control box 3 will start the motor to drive the filter to rotate, and at the same time, the valve of emptying port 2 is opened to discharge the impurities. The control module can also automatically determine whether the backwash function needs to be started according to the water pressure change monitored by pressure gauge port 5, to ensure the normal operation of the filter.
[0028] Further, water outlet main pipe 8 is connected with rotating arm backwash filter 1, and water inlet main pipe 7 is connected with water pump 11.
[0029] The water pump 11 is connected with the connecting pipe 12 between the rotating arm backwash filter 1, the outside of the rotating arm backwash filter 1 is connected with the liquid inlet 13, one end of the second connecting pipeline 61 extendingly connected with the outside of the water inlet main pipe 7, the other end of the second connecting pipeline 61 is connected on the liquid inlet 13 of the water pump 11.
[0030] Specifically, the cooling water in the cooling tower system enters the water pump 11 through the second connecting pipeline 61 via the water inlet main pipe 7, and the water pump 11 pumps the cooling water into the inside of the rotating arm backwash filter 1 through the connecting pipe 12. The cooling water is filtered in the rotating arm backwash filter 1, and the impurities and suspended matters are intercepted on the surface of the filter, so that the impurities in the water are removed, and the filtered clean water enters the water outlet main pipe 8 through the first connecting pipeline 6, and finally returns to the cooling tower system.
[0031] It should be noted that the first connecting pipeline 6 and the second connecting pipeline 61 are both provided with valves for controlling the opening and closing of the pipelines.
[0032] The exhaust port 4 is used for exhausting the air in the inside of the rotating arm backwash filter 1, and the pressure gauge port 5 is used for installing a pressure gauge for monitoring the water pressure in the inside of the rotating arm backwash filter 1.
[0033] According to the above design, the cooling tower system can realize efficient filtering and automatic backwash functions, and the working efficiency and service life of the cooling tower are effectively improved.
[0034] The specific implementation steps of the utility model are as follows:
[0035] The cooling water in the cooling tower system enters the water pump 11 through the second connecting pipeline 61 via the water inlet main pipe 7, and the water pump 11 pumps the cooling water into the inside of the rotating arm backwash filter 1 through the connecting pipe 12. The cooling water is filtered in the rotating arm backwash filter 1, and the impurities and suspended matters are intercepted on the surface of the filter, so that the impurities in the water are removed, and the filtered clean water enters the water outlet main pipe 8 through the first connecting pipeline 6, and finally returns to the cooling tower system;
[0036] When the impurities on the filter accumulate to a certain degree, the control module in the electric control box 3 starts the motor to drive the filter to rotate, and at the same time, the valve of the exhaust port 2 is opened to exhaust the impurities. The control module can also automatically judge whether the backwash function needs to be started according to the water pressure change monitored by the pressure gauge port 5, so as to ensure the normal operation of the filter. According to the above design, the cooling tower system can realize efficient filtering and automatic backwash functions, and the working efficiency and service life of the cooling tower are effectively improved.
[0037] The above-mentioned embodiments are only preferred embodiments of the present application, and cannot be used to limit the scope of protection of the present application. Any non-essential changes and replacements made by those skilled in the art on the basis of the present application shall fall within the scope of protection of the present application.
Claims
1. A by-pass filtration device for a cooling tower system, characterized by, Including the swing arm backwash filter (1) and water pump (11), the bottom end of the swing arm backwash filter (1) is connected with the exhaust port (2), the surface of the swing arm backwash filter (1) is mounted with the electric control box (3), the top end of the swing arm backwash filter (1) is provided with the exhaust port (4) and the pressure gauge port (5), one end of the first connecting pipeline (6) is connected with the outer side of the swing arm backwash filter (1), the other end of the first connecting pipeline (6) is connected with the water outlet main pipe (8); The water pump (11) is connected with the swing arm backwash filter (1) through the communication pipe (12), the outer side of the swing arm backwash filter (1) is connected with the liquid inlet (13), one end of the second connecting pipeline (61) is extended and connected with the outer side of the water inlet main pipe (7), the other end of the second connecting pipeline (61) is connected with the liquid inlet (13) of the water pump (11).
2. A by-pass filtration device for a cooling tower system as defined in claim 1 wherein, The exhaust port (4) is used for discharging air in the swing arm backwash filter (1), and the pressure gauge port (5) is used for installing a pressure gauge to monitor the water pressure in the swing arm backwash filter (1).
3. A by-pass filtration device for a cooling tower system as defined in claim 1 wherein, Valves are arranged on the first connecting pipeline (6) and the second connecting pipeline (61) to control the opening and closing of the pipelines.
4. A by-pass filtration device for a cooling tower system as defined in claim 1 wherein, The water outlet main pipe (8) is connected with the swing arm backwash filter (1), and the water inlet main pipe (7) is connected with the water pump (11).
5. A by-pass filtration device for a cooling tower system as defined in claim 1 wherein, The electric control box (3) is provided with a control module, which is electrically connected with the swing arm backwash filter (1) and the water pump (11), and is used for controlling the operation of the swing arm backwash filter (1) and the start and stop of the water pump (11).
6. A by-pass filtration device for a cooling tower system as defined in claim 1 wherein, The outer side of the swing arm backwash filter (1) is connected with the blowdown port (9), and the bottom end of the blowdown port (9) is connected with the blowdown main pipe (10).