A cooling water filtering device
By using a comb-like structure with a trapezoidal flow divider, combined with multi-layer filter plates and an external filter plate, the wear problem caused by concentrated water flow impact in the cooling water system is solved, achieving uniform filtration and extending equipment life.
Patent Information
- Application Number
- CN202521849014.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-29
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-08-29
AI Technical Summary
Impurities can easily get mixed into the cooling water during circulation, causing the water flow to concentrate and impact local areas of the filter screen, resulting in wear, shortening its service life and affecting the filtration effect.
The system adopts a diversion comb tooth and trapezoidal diversion seat structure to initially divert the cooling water into multiple uniform water flows, which are then filtered through multiple layers of filter plates to ensure that the water flow evenly covers the filter structure. An external filter plate is set up for preliminary filtration to reduce the load on subsequent filtration.
It effectively avoids localized wear and tear on the water flow, improves filtration efficiency, extends the service life of the equipment, and ensures the filtration effect.
Smart Images

Figure CN224672217U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cooling water filtration technology, specifically a cooling water filtration device. Background Technology
[0002] In industrial production, cooling water systems are a crucial auxiliary component ensuring stable equipment operation. Widely used in machining, chemical reactions, power equipment, and metallurgical smelting, their core function is to remove heat generated during equipment operation through circulation, preventing performance degradation, downtime, and even safety accidents due to overheating. However, during circulation, cooling water easily mixes with contaminants such as pipe rust debris, environmental dust, equipment wear particles, and scale. If not filtered and removed promptly, these impurities will adhere to the heat exchange surfaces of the equipment, forming a scale layer and reducing heat exchange efficiency.
[0003] In most cooling water filtration devices, the inlet position is relatively fixed during use. This causes the cooling water to enter the tank and directly impact the filter screen below in a concentrated flow. The impact force of the water flow is concentrated on a local area of the filter structure, causing the filter media in that area to wear much faster than in other parts. This not only shortens the overall service life of the filter structure, but may also cause premature damage and holes in the filter media due to excessive local wear. As a result, unfiltered water containing impurities can flow directly through, losing its filtering effect, while another part of the filtration area remains idle. To address these problems, the inventor proposes a cooling water filtration device to solve the aforementioned issues. Utility Model Content
[0004] To address the issue that cooling water entering the tank directly impacts the filter screen below in a concentrated flow, resulting in concentrated water flow impact on a localized area of the filter structure, this invention aims to provide a cooling water filtration device.
[0005] To solve the above technical problems, the present invention adopts the following technical solution: a cooling water filtration device, including a filter cylinder, wherein a liquid inlet is provided at the front end near the top of the filter cylinder, an L-shaped liquid inlet box is fixedly connected inside the liquid inlet, two sets of diversion combs are symmetrically fixedly connected at the bottom end near the center of the L-shaped liquid inlet box, a mounting bracket is fixedly connected between the inner walls of the filter cylinder near the top, a trapezoidal diversion seat is fixedly connected between the inner walls of the mounting bracket, and a plurality of evenly distributed diversion holes are provided at the center of the trapezoidal diversion seat.
[0006] Preferably, a first filter plate is fixedly connected between the inner walls of the filter cylinder and below the trapezoidal flow divider, and a second filter plate is fixedly connected between the inner walls of the filter cylinder and below the first filter plate.
[0007] Preferably, a trapezoidal liquid inlet box is fixedly connected to the top of the L-shaped liquid inlet box and near one side, and a mounting frame is fixedly connected to the top of the trapezoidal liquid inlet box. Two sets of mounting screw holes are symmetrically opened inside the mounting frame near the center.
[0008] Preferably, an external filter plate is detachably provided between the inner walls of the trapezoidal liquid inlet box, and support legs are symmetrically fixedly connected to both ends of the filter cylinder near the center, and a liquid outlet pipe is fixedly connected to the center of the bottom end of the filter cylinder.
[0009] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0010] 1. In this utility model, the cooling water is initially divided into multiple uniform water flows by a multi-component flow comb, which avoids the concentrated impact of water flow on the subsequent filter structure and causes local wear. Then, the trapezoidal flow divider makes the cooling water form multiple fine water flows to the entire area of the filter component below, ensuring that the water flow evenly covers the filter structure below and effectively improves the filtration efficiency.
[0011] 2. The external filter plate in this utility model can perform preliminary filtration of cooling water, filter out larger impurities, reduce the filtration load of subsequent filtration components, and thus improve the overall service life of the equipment. Attached Figure Description
[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0014] Figure 2 This is a cross-sectional view of the filter cartridge of this utility model.
[0015] Figure 3 This is a schematic diagram of the L-shaped liquid inlet box structure of this utility model.
[0016] In the diagram: 1. Filter cartridge; 2. L-shaped liquid inlet box; 21. Diverting comb teeth; 22. Liquid inlet; 23. Trapezoidal liquid inlet box; 24. Mounting frame; 25. External filter plate; 26. Support leg; 3. Trapezoidal diverting seat; 31. Diverting hole; 32. First filter plate; 33. Mounting bracket; 34. Second filter plate; 35. Liquid outlet pipe. Detailed Implementation
[0017] 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.
[0018] Example: Figure 1-3 As shown, this utility model provides a technical solution: a cooling water filtration device, including a filter cylinder 1. An inlet 22 is provided near the top of the front end of the filter cylinder 1. The filter cylinder 1 possesses excellent corrosion resistance and water pressure impact resistance, and can adapt to various scenarios such as industrial circulating cooling water and equipment cooling water. An L-shaped inlet box 2 is fixedly connected inside the inlet 22. Two sets of diversion combs 21 are symmetrically fixedly connected near the center of the bottom end of the L-shaped inlet box 2. A mounting bracket 33 is fixedly connected near the top between the inner walls of the filter cylinder 1. A trapezoidal diversion seat 3 is fixedly connected between the inner walls of the mounting bracket 33. Several evenly distributed diversion holes 31 are provided near the center of the trapezoidal diversion seat 3. The corner of the liquid inlet box 2 adopts a rounded transition design, which can reduce the surging and noise caused by water flow impact. The diverting comb 21 can initially divert the cooling water into multiple uniform water flows, avoiding concentrated water flow impact on the subsequent filter structure and causing local wear. The tilt angle of the trapezoidal diverting seat 3 is selected according to actual usage requirements. The diverting hole 31 can further disperse the initially diverted cooling water into multiple fine water flows, ensuring that the water flow evenly covers the filter structure below and improves filtration efficiency. The electrical components in this application and their compatible power supply are electrically connected through wires, and a suitable controller should be selected according to the actual situation to meet the control requirements. The detailed connection methods are well known in the art.
[0019] A first filter plate 32 is fixedly connected between the inner walls of the filter cylinder 1 and below the trapezoidal flow divider 3.
[0020] By adopting the above technical solution, the first filter plate 32 can filter out larger impurities and fit tightly with the groove on the inner wall of the filter cylinder 1 to prevent unfiltered water from leaking from the edge.
[0021] A second filter plate 34 is fixedly connected between the inner walls of the filter cylinder 1 and below the first filter plate 32.
[0022] By adopting the above technical solution, the second filter plate 34 can filter relatively fine impurities and also fits tightly with the groove on the inner wall of the filter cylinder 1.
[0023] A trapezoidal liquid inlet box 23 is fixedly connected to the top of the L-shaped liquid inlet box 2 and near one side.
[0024] The trapezoidal liquid inlet box 23 is designed to facilitate the installation of the fixed mounting frame 24 and to facilitate connection with water inlet pipes of different specifications.
[0025] The top of the trapezoidal liquid inlet box 23 is fixedly connected to the mounting frame 24, and two sets of mounting screw holes are symmetrically opened inside the mounting frame 24 near the center.
[0026] The mounting frame 24 and mounting screw holes provided by the above technical solution are for fixed connection with the flange of the external water inlet pipe by bolts.
[0027] An external filter plate 25 is detachably installed between the inner walls of the trapezoidal liquid inlet box 23.
[0028] By adopting the above technical solution, the external filter plate 25 can be detached by using the insertion block and the insertion hole. The external filter plate 25 can intercept large particles of impurities (such as plastic debris and pipe welding slag) in the cooling water, play a role in pre-filtering, and reduce the filtration load of the subsequent filter plates.
[0029] Support legs 26 are symmetrically fixedly connected to both ends of the filter cylinder 1 near the center, and an outlet pipe 35 is fixedly connected to the center of the bottom end of the filter cylinder 1.
[0030] By adopting the above technical solution, a valve body is provided on the liquid outlet pipe 35 to control the liquid outlet effect, and the top of the trapezoidal liquid inlet box 23 can be sealed with a sealing cap when not in use.
[0031] Working principle: When in use, this equipment connects the external water pipe with bolts and the mounting frame 24 to the trapezoidal liquid inlet box 23, allowing cooling water to flow into the L-shaped liquid inlet box 2 through the trapezoidal liquid inlet box 23. Then, under the action of the multi-component flow comb 21, the cooling water is initially divided into multiple uniform water flows, avoiding concentrated water flow impacting the subsequent filter structure and causing local wear. Subsequently, the cooling water flows to the center above the trapezoidal flow divider 3, and under the shape of the trapezoidal flow divider 3, it flows into multiple flow holes 31, forming multiple fine water flows to the entire area of the lower filter component. This ensures that the water flow evenly covers the lower filter structure, improving filtration efficiency.
[0032] By installing an external filter plate 25 inside the trapezoidal liquid inlet box 23, a preliminary filtration of the cooling water can be achieved, thereby filtering out larger impurities in the cooling water and realizing the function of pre-filtering. This reduces the filtration load of subsequent filter components and thus improves the overall service life of the equipment.
[0033] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.
Claims
1. A cooling water filtration device, comprising a filter cylinder (1), characterized in that: The filter cartridge (1) has a liquid inlet (22) near the top of the front end. An L-shaped liquid inlet box (2) is fixedly connected inside the liquid inlet (22). Two sets of diversion combs (21) are symmetrically fixedly connected at the bottom of the L-shaped liquid inlet box (2) near the center. A mounting bracket (33) is fixedly connected between the inner walls of the filter cylinder (1) near the top. A trapezoidal diverter seat (3) is fixedly connected between the inner walls of the mounting bracket (33). Several evenly distributed diverter holes (31) are opened inside the trapezoidal diverter seat (3) near the center.
2. The cooling water filtration device as described in claim 1, characterized in that, A first filter plate (32) is fixedly connected between the inner walls of the filter cylinder (1) and below the trapezoidal flow divider (3).
3. A cooling water filtration device as described in claim 2, characterized in that, A second filter plate (34) is fixedly connected between the inner walls of the filter cylinder (1) and below the first filter plate (32).
4. A cooling water filtration device as described in claim 1, characterized in that, A trapezoidal liquid inlet box (23) is fixedly connected to the top of the L-shaped liquid inlet box (2) and near one side.
5. A cooling water filtration device as described in claim 4, characterized in that, The top of the trapezoidal liquid inlet box (23) is fixedly connected to an installation frame (24), and two sets of installation screw holes are symmetrically opened inside the installation frame (24) near the center.
6. A cooling water filtration device as described in claim 4, characterized in that, An external filter plate (25) is detachably provided between the inner walls of the trapezoidal liquid inlet box (23).
7. A cooling water filtration device as described in claim 1, characterized in that, The filter cylinder (1) has symmetrical support legs (26) fixedly connected to both ends near the center, and the filter cylinder (1) has a liquid outlet pipe (35) fixedly connected to the center of the bottom end.