A kind of clamping fixing device for measuring cooling tower drift rate filter paper

By designing a clamping and fixing device suitable for the support plate and clamping components of cooling towers, the problems of inconvenience in carrying and poor applicability of existing devices are solved, enabling rapid installation and disassembly and adapting to the needs of field testing of various cooling tower structures.

CN224464543UActive Publication Date: 2026-07-07BEIJING GLASS STEEL INST TESTING CENT CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
BEIJING GLASS STEEL INST TESTING CENT CO LTD
Filing Date
2025-08-16
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

Existing cooling tower drift rate testing devices are not portable and cannot meet the needs of on-site testing. Furthermore, existing fixed devices have poor applicability and cannot adapt to cooling tower exhaust ducts of different sizes.

Method used

A clamping and fixing device including a support plate and a clamping assembly is designed. The support plate has through holes for placing filter paper. The clamping assembly realizes the detachable fixing of the filter paper through a hinge block, torsion spring and insert block structure, which can adapt to cooling tower air ducts of different sizes.

Benefits of technology

It features convenient disassembly and installation, a small footprint, suitability for various cooling tower structures, short installation time, suitability for field testing, and modular expansion capability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of clamping and fixing device of measuring cooling tower drift rate filter paper, located cooling tower air outlet pipe top, including support plate and clamping component, the end face of support plate away from cooling tower is placed with filter paper, and the through hole corresponding with filter paper is opened on support plate, and the through hole is completely covered by filter paper;Support plate is provided with multiple, and multiple support plates are interconnected to correspond different size cooling tower air outlet pipe;The clamping component is set to the end face of support plate away from cooling tower, and the clamping position of clamping filter paper is formed between clamping component and support plate.The utility model has beneficial effect: the clamping device designed in the present application is simple to disassemble, small in occupied volume, suitable for detection, ready-to-use and installation, and the device is more convenient to set, modular expansion is achieved, and various structures such as mechanical ventilation cooling tower, closed tower and the like are adapted.
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Description

Technical Field

[0001] This utility model belongs to the field of measuring devices, and in particular relates to a clamping and fixing device for measuring the drift rate of filter paper in a cooling tower. Background Technology

[0002] Cooling towers are critical pieces of equipment widely used in industrial production, particularly in power, chemical, metallurgical, and data center industries. Their function is to reduce the temperature of circulating water through heat and moisture exchange between water and air, ensuring the efficient operation of production equipment. Statistics show that approximately 70% of industrial water consumption in my country is cooling water, and the energy efficiency of cooling towers directly impacts water resource consumption and carbon emission intensity. However, the common phenomenon of "water drift" (water droplets escaping outside the tower with the airflow) in cooling tower operation leads to serious water waste and environmental risks. If not effectively controlled, water drift not only directly causes water resource loss but may also pollute surrounding soil and water bodies due to the presence of scale inhibitors, bactericides, and other chemicals in the circulating water.

[0003] The HY / T 241-2018 standard specifies the test method for the drift rate of industrial cooling towers—the isokinetic sampling method, which calculates the drift rate by collecting and weighing the drifting water droplets. However, it requires complex instruments (such as Pitot tubes and propeller anemometers) and strict environmental control, resulting in poor on-site adaptability.

[0004] Existing technology provides a filter paper fixing device for cooling tower drift rate testing, which uses a stainless steel side plate frame to fix multiple filter papers to a rectangular frame, and then connects them to the stainless steel side plate frame, placing it above the cooling tower air outlet. This device requires a custom-designed stainless steel side plate frame, is more suitable for fixed use locations, is inconvenient to carry, and cannot meet the needs of on-site testing. Utility Model Content

[0005] In view of this, the present invention aims to provide a clamping and fixing device for measuring the drift rate of cooling tower filter paper, in order to solve at least one of the above-mentioned technical problems.

[0006] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0007] A clamping and fixing device for measuring the drift rate of a cooling tower filter paper, located at the top of the cooling tower outlet duct, includes:

[0008] A support plate is provided, on the end face of the support plate away from the cooling tower, a filter paper is placed thereon, and the support plate has through holes corresponding to the filter paper, the through holes being completely covered by the filter paper; multiple support plates are provided, and the multiple support plates are connected to each other to correspond to the cooling tower air outlet ducts of different sizes.

[0009] A clamping assembly is disposed on the end face of the support plate away from the cooling tower, and a clamping position for clamping filter paper is formed between the clamping assembly and the support plate.

[0010] Furthermore, the support plate is a rectangular frame structure, and the hollow part of the rectangular frame structure forms through holes corresponding to the filter paper.

[0011] Furthermore, the support plate has multiple through holes, all of which are completely covered by filter paper.

[0012] Furthermore, the clamping assembly includes:

[0013] The hinge block is provided in two parts, one end of which is fixedly connected to the support plate, and the other end of which has a hinge hole;

[0014] A clamping frame, the size of which corresponds to the size of the through hole on the support plate, and a connector is fixedly provided at one end of the clamping frame near the hinge block, and the clamping frame is hinged to the hinge block through the connector;

[0015] A torsion spring is provided on the outside of the connector, and the two ends of the torsion spring are fixedly connected to the connector and the hinge block, respectively.

[0016] Furthermore, the connector is a U-shaped structure, with both ends of the connector inserted into the hinge holes of the two hinge blocks respectively, and the middle part of the connector fixedly connected to the clamping frame.

[0017] Furthermore, a trapezoidal block is provided on one side of the support plate, the upper bottom surface of the trapezoidal block is fixedly connected to the side wall of the support plate, and a trapezoidal groove corresponding to the trapezoidal block is opened on the other side of the support plate.

[0018] A trapezoidal block of a support plate is located inside the trapezoidal groove of an adjacent support plate, and multiple support plates are laterally connected by trapezoidal blocks and trapezoidal grooves.

[0019] Furthermore, each end of the support plate has a slot, and the slot has a corresponding insert. The two ends of the insert are respectively inserted into the slots of two adjacent support plates, and multiple support plates are longitudinally connected to each other through slots and inserts.

[0020] Furthermore, the inner wall of the slot is provided with an arc-shaped groove, and both sides of the insert are provided with arc-shaped blocks corresponding to the arc-shaped groove, the arc-shaped blocks being located within the arc-shaped groove.

[0021] Furthermore, the insert is composed of three fixed blocks and two pairs of elastic plates connected to each other. The three fixed blocks and the two pairs of elastic plates form a H-shaped structure. The arc-shaped block is located on the end face of the elastic plate near the slot.

[0022] Furthermore, the support plate has a mounting groove corresponding to the hinge block, the mounting groove has a mounting hole, the end of the hinge block away from the hinge hole has a threaded hole corresponding to the mounting hole, the mounting hole is provided with a mounting bolt, and the mounting bolt passes through the mounting hole and is threadedly connected to the threaded hole.

[0023] Compared with the prior art, the clamping and fixing device for measuring the drift rate of cooling towers described in this utility model has the following advantages:

[0024] The clamping device designed in this invention is easy to disassemble, occupies a small volume, is suitable for on-site testing, and can be installed immediately upon use. At the same time, the device is more convenient to set up, can be modularly expanded, and can be adapted to various mechanical ventilation cooling towers, closed towers and other structures. The installation time is ≤3 minutes. Attached Figure Description

[0025] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0026] Figure 1 This is a schematic diagram of the overall structure of the clamping and fixing device described in an embodiment of the present utility model;

[0027] Figure 2 This is a schematic diagram of the support plate structure described in an embodiment of the present utility model;

[0028] Figure 3 This is a schematic diagram of the hinge block structure according to an embodiment of the present utility model;

[0029] Figure 4 This is a schematic diagram of the clamping frame structure described in an embodiment of the present utility model;

[0030] Figure 5 This is a schematic diagram of the insert block structure described in an embodiment of the present utility model;

[0031] Figure 6 This is a schematic diagram illustrating the assembly relationship between the support plate and the insert block according to an embodiment of the present utility model.

[0032] Explanation of reference numerals in the attached figures:

[0033] 1. Support plate; 101. Through hole; 102. Trapezoidal block; 103. Trapezoidal groove; 104. Slot; 105. Mounting groove; 106. Mounting hole; 2. Hinge block; 201. Threaded hole; 3. Clamping frame; 301. Connector; 4. Torsion spring; 5. Insert block; 501. Arc-shaped block; 502. Fixing block; 503. Elastic sheet. Detailed Implementation

[0034] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0035] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0036] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0037] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0038] like Figure 1-6 As shown, a clamping and fixing device for measuring the drift rate of a cooling tower filter paper is located at the top of the cooling tower outlet duct, comprising:

[0039] Support plate 1, on the end face of the support plate 1 away from the cooling tower, filter paper is placed, and through holes 101 corresponding to the filter paper are opened on the support plate 1, the through holes 101 are completely covered by the filter paper; multiple support plates 1 are provided, and multiple support plates 1 are connected to each other to correspond to cooling tower air outlet ducts of different sizes.

[0040] A clamping assembly is disposed on the end face of the support plate 1 away from the cooling tower, and a clamping position for clamping filter paper is formed between the clamping assembly and the support plate 1.

[0041] The support plate 1 is a rectangular frame structure, and the hollow part of the rectangular frame structure forms through holes 101 corresponding to the filter paper.

[0042] The support plate 1 has multiple through holes 101, and all of the multiple through holes 101 are completely covered by filter paper.

[0043] The clamping assembly includes:

[0044] Hinge block 2, two hinge blocks 2 are provided, one end of hinge block 2 is fixedly connected to support plate 1, and the other end has a hinge hole;

[0045] The clamping frame 3 has a size corresponding to the size of the through hole 101 on the support plate 1. A connector 301 is fixed at one end of the clamping frame 3 near the hinge block 2. The clamping frame 3 is hinged to the hinge block 2 through the connector 301.

[0046] A torsion spring 4 is provided on the outside of the connector 301, and the two ends of the torsion spring 4 are fixedly connected to the connector 301 and the hinge block 2, respectively.

[0047] When the filter paper needs to be placed in the clamping and fixing device, lift the end of the clamping frame 3 away from the hinge block 2. At this time, the connector 301 rotates in the hinge hole, thereby compressing the torsion spring 4. After the filter paper is placed in and completely covers the through hole 101, lower the clamping frame 3. At this time, the torsion spring 4 is released. Under the action of the torsion spring 4, the clamping frame 3 rebounds and fixes the filter paper on the support plate 1.

[0048] The connector 301 is a U-shaped structure. Both ends of the connector 301 are inserted into the hinge holes of the two hinge blocks 2 respectively, and the middle part of the connector 301 is fixedly connected to the clamping frame 3.

[0049] A trapezoidal block 102 is provided on one side of the support plate 1. The upper bottom surface of the trapezoidal block 102 is fixedly connected to the side wall of the support plate 1. A trapezoidal groove 103 corresponding to the trapezoidal block 102 is opened on the other side of the support plate 1.

[0050] A trapezoidal block 102 of a support plate 1 is located inside the trapezoidal groove 103 of an adjacent support plate 1, and multiple support plates 1 are laterally connected to each other through the trapezoidal block 102 and the trapezoidal groove 103.

[0051] Both ends of the support plate 1 have slots 104, and corresponding inserts 5 are provided in the slots 104. The two ends of the inserts 5 are respectively inserted into the slots 104 of two adjacent support plates 1. Multiple support plates 1 are longitudinally connected to each other through slots 104 and inserts 5.

[0052] The inner wall of the slot 104 has an arc-shaped groove, and both sides of the insert 5 are provided with arc-shaped blocks 501 corresponding to the arc-shaped groove. The arc-shaped blocks 501 are located in the arc-shaped groove.

[0053] The insert 5 is composed of three fixed blocks 502 and two pairs of elastic plates 503 connected to each other. The three fixed blocks 502 and the two pairs of elastic plates 503 form a H-shaped structure. The arc-shaped block 501 is disposed on the end face of the elastic plate 503 near the slot 104.

[0054] When the insert 5 is inserted into the slot 104, the inner wall of the slot 104 presses against the arc-shaped block 501, which in turn causes the arc-shaped block 501 to press the elastic sheet 503 inward. Under the pressure transmitted by the arc-shaped block 501, the elastic sheet 503 undergoes elastic deformation. At this time, the arc-shaped block 501 can enter the slot 104 until the arc-shaped block 501 reaches the position of the arc groove, at which point the elastic sheet 503 is released and the arc-shaped block 501 is inserted into the arc groove.

[0055] The support plate 1 has a mounting groove 105 corresponding to the hinge block 2. The mounting groove 105 has a mounting hole 106 on the ground. The end of the hinge block 2 away from the hinge hole has a threaded hole 201 corresponding to the mounting hole 106. A mounting bolt is provided in the mounting hole 106. The mounting bolt passes through the mounting hole 106 and is threadedly connected to the threaded hole 201.

[0056] When the torsion spring 4 or the clamping frame 3 is damaged, the hinge block 2 can be removed and the torsion spring 4 or the clamping frame 3 can be replaced, which simplifies the replacement process and facilitates the maintenance of the clamping and fixing device.

[0057] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.

[0058] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A clamping and fixing device for filter paper used to measure the drift rate of a cooling tower, located at the top of the cooling tower outlet duct, characterized in that, include: Support plate (1), on the end face of the support plate (1) away from the cooling tower, filter paper is placed, and through holes (101) corresponding to the filter paper are opened on the support plate (1), and the through holes (101) are completely covered by the filter paper; multiple support plates (1) are provided, and multiple support plates (1) are connected to each other to correspond to cooling tower air outlets of different sizes. A clamping assembly is disposed on the end face of the support plate (1) away from the cooling tower, and a clamping position for clamping filter paper is formed between the clamping assembly and the support plate (1).

2. The clamping and fixing device for measuring the drift rate of cooling tower filter paper according to claim 1, characterized in that: The support plate (1) is a rectangular frame structure, and the hollow part of the rectangular frame structure forms a through hole (101) corresponding to the filter paper.

3. The clamping and fixing device for measuring the drift rate of a cooling tower filter paper according to claim 1, characterized in that: The support plate (1) has multiple through holes (101), and all of the through holes (101) are completely covered by filter paper.

4. The clamping and fixing device for measuring the drift rate of cooling tower filter paper according to claim 1, characterized in that, The clamping assembly includes: Hinge block (2), two hinge blocks (2) are provided, one end of the hinge block (2) is fixedly connected to the support plate (1), and the other end has a hinge hole; The clamping frame (3) has a size corresponding to the size of the through hole (101) on the support plate (1). A connector (301) is fixed at one end of the clamping frame (3) near the hinge block (2). The clamping frame (3) is hinged to the hinge block (2) through the connector (301). A torsion spring (4) is provided on the outside of the connector (301), and the two ends of the torsion spring (4) are fixedly connected to the connector (301) and the hinge block (2) respectively.

5. The clamping and fixing device for measuring the drift rate of a cooling tower filter paper according to claim 4, characterized in that: The connector (301) is a Z-shaped structure. The two ends of the connector (301) are respectively inserted into the hinge holes of the two hinge blocks (2), and the middle part of the connector (301) is fixedly connected to the clamping frame (3).

6. The clamping and fixing device for measuring the drift rate of a cooling tower filter paper according to claim 1, characterized in that: A trapezoidal block (102) is provided on one side of the support plate (1), and the upper bottom surface of the trapezoidal block (102) is fixedly connected to the side wall of the support plate (1). A trapezoidal groove (103) corresponding to the trapezoidal block (102) is opened on the other side of the support plate (1). A trapezoidal block (102) of a support plate (1) is located inside the trapezoidal groove (103) of an adjacent support plate (1), and multiple support plates (1) are laterally connected to each other through the trapezoidal block (102) and the trapezoidal groove (103).

7. The clamping and fixing device for measuring the drift rate of a cooling tower filter paper according to claim 1, characterized in that: Both ends of the support plate (1) have slots (104), and the slots (104) are provided with corresponding inserts (5). The two ends of the inserts (5) are respectively inserted into the slots (104) of two adjacent support plates (1), and multiple support plates (1) are longitudinally connected to the inserts (5) through the slots (104).

8. The clamping and fixing device for measuring the drift rate of a cooling tower filter paper according to claim 7, characterized in that: The inner wall of the slot (104) has an arc-shaped groove, and both sides of the insert (5) are provided with arc-shaped blocks (501) corresponding to the arc-shaped groove, and the arc-shaped blocks (501) are located in the arc-shaped groove.

9. The clamping and fixing device for measuring the drift rate of a cooling tower filter paper according to claim 8, characterized in that: The insert (5) is composed of three fixed blocks (502) and two pairs of elastic plates (503) connected to each other. The three fixed blocks (502) and the two pairs of elastic plates (503) form a sun-shaped structure. The arc-shaped block (501) is located on the end face of the elastic plate (503) near the slot (104).

10. The clamping and fixing device for measuring the drift rate of a cooling tower filter paper according to claim 4, characterized in that: The support plate (1) has an installation groove (105) corresponding to the hinge block (2). The mounting groove (105) has an installation hole (106) on the ground. The hinge block (2) has a threaded hole (201) corresponding to the mounting hole (106) at one end away from the hinge hole. The mounting hole (106) is provided with an installation bolt. The installation bolt passes through the mounting hole (106) and is threadedly connected to the threaded hole (201).