A rapid filtration device for central air conditioning cooling water

Abstract

This utility model discloses a rapid filtration device for centralized air conditioning cooling water, relating to the field of water treatment equipment. The filter tank contains a primary filter screen, within which a first filtration chamber is formed. A secondary filter screen is located outside the primary filter screen, forming a second filtration chamber between the two filter screens. A clean water chamber is formed between the second filtration chamber and the inner wall of the filter tank. This staged filtration improves both the filtration effect and speed. A pressure pump increases the filtration pressure, further enhancing the filtration speed. When excessive impurities accumulate on the filter screen, clean water is injected into the clean water chamber through a second backflushing pipe. This clean water backflushes the secondary filter screen, carrying away the accumulated impurities, and is discharged through a second drain pipe. Then, clean water is injected into the second filtration chamber through the first backflushing pipe to backflush and clean the primary filter screen. Wastewater is discharged through both the first and second drain pipes. This rapid cleaning of the filter screen improves its lifespan and filtration efficiency.

Description

Technical Field

[0001] This utility model relates to the field of water treatment equipment technology, specifically a rapid filtration device for centralized air conditioning cooling water. Background Technology

[0002] Centralized air conditioning, also known as central air conditioning, involves air handling equipment concentrated in a central air conditioning room. The treated air is then delivered to the air conditioning systems in each room through ducts. The cooling water filtration device in central air conditioning is mainly used to filter suspended particles, dirt, microorganisms, and other impurities from the cooling water, preventing them from entering the air conditioning system and causing problems such as equipment damage, poor water flow, or even bacterial growth. At the same time, the filter can also improve the operating efficiency of the air conditioning system and reduce the frequency of equipment maintenance and cleaning.

[0003] After a period of use, impurities will accumulate in the cooling water filtration device. If it is not cleaned for a long time, it will affect the filtration effect, which may lead to poor water flow, increase the pressure of the filtration system, or even cause system failure, affecting the life of the equipment and the air quality of the air supplied by the air conditioner. The filtration device has a complex structure, the filter screen is difficult to disassemble, and the cleaning is difficult. In order to address the above problems, a rapid filtration device for cooling water in centralized air conditioning is proposed. Utility Model Content

[0004] To solve the above-mentioned technical problems, a rapid filtration device for centralized air conditioning cooling water is provided. This technical solution solves the problem that the air conditioning cooling water filtration device is not easy to disassemble for cleaning.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A rapid filtration device for centralized air conditioning cooling water includes a filter tank. An inlet pipe is connected to the upper end of the filter tank via a connecting flange. The other end of the inlet pipe is connected to the output end of a booster pump, which is located on one side of the filter tank. An inner mounting frame is provided inside the filter tank. A primary filter screen is connected to the middle of the inner mounting frame, forming a first filtration chamber with the primary filter screen and the interior of the inner mounting frame. The upper end of the first filtration chamber is connected to the inlet pipe. An outer mounting frame is provided outside the inner mounting frame, connecting a secondary filter screen to the middle of the outer mounting frame. A second filtration chamber is formed between the secondary filter screen and the primary filter screen. The upper end of the second filtration chamber is connected to a first backflushing pipe. A clean water chamber is formed between the second filtration chamber and the inner wall of the filter tank, with the upper end of the clean water chamber connected to a second backflushing pipe. The first and second backflushing pipes are used for backflushing and cleaning the primary and secondary filters.

[0007] Preferably, the lower end of the first filter chamber is connected to a first drain pipe, and the other end of the first drain pipe extends to the outside of the filter tank and is equipped with a second valve.

[0008] Preferably, the lower end of the second filter chamber is connected to a second drain pipe, the other end of the second drain pipe extends to the outside of the filter tank, and a third valve is installed in the middle of the second drain pipe.

[0009] Preferably, a water outlet pipe is provided on the outside of the filter tank, one end of the water outlet pipe is connected to the water purification chamber, the other end of the water outlet pipe is connected to the external water storage tank, and a first valve is installed in the middle of the water outlet pipe.

[0010] Preferably, one end of the first sewage pipe is connected to the interior of the second sewage pipe.

[0011] Preferably, the lower end of the filter tank is welded with a plurality of support columns, and the lower ends of the support columns are fixedly connected to the base.

[0012] The advantages of this utility model compared with the prior art are:

[0013] 1. This filtration equipment is equipped with a primary filter and a secondary filter. Cooling water is delivered to the first filtration chamber by a pressure pump. The primary filter filters larger impurities, while the secondary filter filters smaller impurities. The tiered filtration improves the filtration effect and speed. The pressure pump pressurizes the cooling water in the filter tank, which further increases the filtration speed.

[0014] 2. This filtration equipment is equipped with a backwash pipe and a drain pipe. When too many impurities accumulate on the primary and secondary filter screens, clean water can be injected into the clean water chamber through the second backwash pipe. The clean water flows back through the secondary filter screen, carrying away the impurities accumulated on the secondary filter screen, and is discharged from the second drain pipe. Then, clean water is injected into the second filter chamber through the first backwash pipe to backwash and clean the primary filter screen. Wastewater is discharged through the first and second drain pipes. This device can quickly backwash and clean the filter screen, improving the service life and filtration effect of the filter screen. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the filter tank in this utility model;

[0017] Figure 3 This is a front view structural diagram of the present invention.

[0018] The numbers on the map are:

[0019] 1. Filter tank; 11. Inner mounting bracket; 111. Primary filter screen; 112. First filter chamber; 12. External mounting bracket; 121. Secondary filter screen; 122. Second filter chamber; 13. Clean water chamber; 14. First backflush pipe; 15. Second backflush pipe; 2. Inlet pipe; 21. Connecting flange; 3. Booster pump; 4. Outlet pipe; 41. First valve; 5. First drain pipe; 51. Second valve; 6. Second drain pipe; 61. Third valve; 7. Base; 71. Support column. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model. It is understood that the accompanying drawings are provided for reference and illustration only and are not intended to limit the present utility model. The connection relationships shown in the drawings are only for clear description and do not limit the connection method.

[0021] like Figure 1-3As shown, a rapid filtration device for centralized air conditioning cooling water includes a filter tank 1. The upper end of the filter tank 1 is connected to an inlet pipe 2 via a connecting flange 21. The other end of the inlet pipe 2 is connected to the output end of a booster pump 3. The booster pump 3 is located on one side of the filter tank 1. The booster pump 3 draws air conditioning cooling water into the filter tank 1 for filtration. Pressurizing the cooling water with the booster pump 3 increases the filtration speed. Multiple support columns 71 are welded to the lower end of the filter tank 1, and the lower ends of the support columns 71 are fixedly connected to a base 7. An internal mounting bracket 1 is provided inside the filter tank 1. 1. A primary filter 111 is connected to the middle of the inner mounting frame 11. The primary filter 111 is a coarse stainless steel filter that can filter larger impurities in the cooling water. The primary filter 111 and the interior of the inner mounting frame 11 form a first filter chamber 112. The upper end of the first filter chamber 112 is connected to the water inlet pipe 2, and the cooling water enters the first filter chamber 112 through the water inlet pipe 2. An outer mounting frame 12 is provided on the outside of the inner mounting frame 11. A secondary filter 121 is connected to the middle of the outer mounting frame 12. The secondary filter 121 and the primary filter 111... A second filtration chamber 122 is formed between the primary filter 111 and the secondary filter 121, which is a fine nylon filter. Cooling water that has passed through the primary filter 111 enters the second filtration chamber 122 and is filtered again by the secondary filter 121, effectively filtering out fine impurities in the water. The upper end of the second filtration chamber 122 is connected to the first backflushing pipe 14. A clean water chamber 13 is formed between the second filtration chamber 122 and the inner wall of the filter tank 1. Cooling water that has passed through the secondary filter 121 enters the clean water chamber 13 and passes through the primary filter 111 and the secondary filter 121. The cooling water is filtered in stages to improve the filtration speed. The upper end of the clean water chamber 13 is connected to the second backwash pipe 15. The first backwash pipe 14 and the second backwash pipe 15 are used to backwash and clean the primary filter screen 111 and the secondary filter screen 121. A water outlet pipe 4 is provided on the outside of the filter tank 1. One end of the water outlet pipe 4 is connected to the clean water chamber 13, and the other end of the water outlet pipe 4 is connected to the external water storage tank. A first valve 41 is installed in the middle of the water outlet pipe 4. When the filter tank 1 is filtering, the first valve 41 is kept open, and the filtered cooling water is transported to the water storage tank through the water outlet pipe 4.

[0022] The lower end of the first filter chamber 112 is connected to a first drain pipe 5, and the other end of the first drain pipe 5 extends to the outside of the filter tank 1 where a second valve 51 is installed. The lower end of the second filter chamber 122 is connected to a second drain pipe 6, and the other end of the second drain pipe 6 extends to the outside of the filter tank 1. A third valve 61 is installed in the middle of the second drain pipe 6. One end of the first drain pipe 5 is connected to the inside of the second drain pipe 6. When too many impurities accumulate on the primary filter screen 111 and the secondary filter screen 121, water injection into the first filter chamber 112 is stopped, the third valve 61 is opened, the first valve 41 is closed, and water is discharged through the second backflushing pipe 15. Clean water is injected into the water purification chamber 13. The water flows back through the secondary filter screen 121 to flush and clean the impurities adsorbed on the inner wall of the secondary filter screen 121. The water flow carries the impurities and discharges them through the second drain pipe 6. Water injection from the second backflushing pipe 15 is stopped, the second valve 51 is opened, and clean water is injected into the second filter chamber 122 again through the first backflushing pipe 14. The water flows back through the primary filter screen 111 to flush and clean the large particles adsorbed on the inner wall of the primary filter screen 111. The water flow carries the impurities and flows into the second drain pipe 6 through the first drain pipe 5, and then discharges to the outside, completing the backflushing and cleaning of the primary filter screen 111 and the secondary filter screen 121.

[0023] The principle of this invention is as follows: Cooling water is delivered to the first filter chamber 112 by a pressurizing pump 3. After passing through the primary filter screen 111, larger particles of impurities are filtered out. The water then enters the second filter chamber 122 and passes through the secondary filter screen 121 to filter out smaller particles of impurities. After that, it enters the clean water chamber 13 and is discharged to the external water storage tank through the outlet pipe 4. When too many impurities accumulate on the primary filter screen 111 and the secondary filter screen 121, clean water can be injected into the clean water chamber 13 through the second backflushing pipe 15. The clean water passes through the secondary filter screen 121 in reverse and carries away the impurities accumulated on the secondary filter screen 121. It is then discharged through the second drain pipe 6. After that, clean water is injected into the second filter chamber 122 through the first backflushing pipe 14 to backflush and clean the primary filter screen 111. Wastewater is discharged through the first drain pipe 5 and the second drain pipe 6. This device can quickly backflush and clean the filter screen, thus extending the service life of the filter screen.

[0024] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A centralized air conditioning cooling water rapid filtration device, characterized in that: The system includes a filter tank (1), the upper end of which is connected to an inlet pipe (2) via a connecting flange (21). The other end of the inlet pipe (2) is connected to the output end of a booster pump (3). The booster pump (3) is located on one side of the filter tank (1). An inner mounting frame (11) is provided inside the filter tank (1). A primary filter screen (111) is connected to the middle of the inner mounting frame (11). The primary filter screen (111) and the inner mounting frame (11) together form a first filter chamber (112). The upper end of the first filter chamber (112) is connected to the inlet pipe (2). The outer side of the inner mounting frame (11) is provided with... An external mounting bracket (12) is provided, and a secondary filter screen (121) is connected to the middle of the external mounting bracket (12). A second filter chamber (122) is formed between the secondary filter screen (121) and the primary filter screen (111). The upper end of the second filter chamber (122) is connected to the first backflushing pipe (14). A clean water chamber (13) is formed between the second filter chamber (122) and the inner wall of the filter tank (1). The upper end of the clean water chamber (13) is connected to the second backflushing pipe (15). The first backflushing pipe (14) and the second backflushing pipe (15) are used to backflush and clean the primary filter screen (111) and the secondary filter screen (121).

2. The central air conditioning cooling water rapid filtering device according to claim 1, characterized in that: The lower end of the first filter chamber (112) is connected to a first drain pipe (5), and the other end of the first drain pipe (5) extends to the outside of the filter tank (1) and is equipped with a second valve (51).

3. The central air conditioning cooling water rapid filtering device according to claim 1, characterized in that: The lower end of the second filter chamber (122) is connected to a second drain pipe (6), the other end of the second drain pipe (6) extends to the outside of the filter tank (1), and a third valve (61) is installed in the middle of the second drain pipe (6).

4. The central air conditioning cooling water rapid filtering device according to claim 1, characterized in that: The filter tank (1) is provided with a water outlet pipe (4) on the outside. One end of the water outlet pipe (4) is connected to the water purification chamber (13), and the other end of the water outlet pipe (4) is connected to the external water storage tank. A first valve (41) is installed in the middle of the water outlet pipe (4).

5. The central air conditioning cooling water rapid filtering device according to claim 2, characterized in that: One end of the first sewage pipe (5) is connected to the interior of the second sewage pipe (6).

6. A rapid filtration device for centralized air conditioning cooling water according to claim 1, characterized in that: The lower end of the filter tank (1) is welded with a plurality of support columns (71), and the lower end of the support columns (71) is fixedly connected to the base (7).

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