Circulating water filter screen cleaning device for thermal power plant
By combining a motor-driven brush plate device with a water jet nozzle, the problem of removing hard or highly adhesive dirt that is difficult to remove in existing technologies has been solved, thus improving the speed and quality of filter cleaning.
Patent Information
- Application Number
- CN202422536208.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-18
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-10-18
AI Technical Summary
In existing technologies, water flow alone is insufficient to effectively remove hard or sticky dirt from the circulating water filter screens of thermal power plants.
A cleaning device for circulating water filters in thermal power plants was designed. The device uses a motor-driven transmission block to drive a brush plate to reciprocate in a square trajectory. Combined with water spray nozzles, the device cleans the surface of the filter screen. The brush plate makes uniform contact with the filter screen surface, reducing mechanical damage.
It enables rapid and convenient removal of dirt from the filter screen, reduces mechanical damage to the filter screen, and improves cleaning speed and quality.
Smart Images
Figure CN223439264U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to filter screen cleaning technical field, concretely is a circulating water filter screen cleaning device of thermal power plant. BACKGROUND
[0002] The circulating water system of thermal power plant is the important component part for cooling steam turbine and other equipment. In this system, filter screen is used to remove impurities in circulating water to prevent these impurities from entering the condenser and other key equipment, thereby affecting heat exchange efficiency and safe operation of equipment. The main function of circulating water filter screen cleaning device is to automatically or semi-automatically remove dirt and impurities accumulated on the filter screen, keep the filter screen clean and ensure efficient operation of the circulating water system.
[0003] The common filter screen cleaning device includes a spray head and a clamp. When in use, the filter screen is first fixed by the clamp, and then the spray head sprays water to remove dirt and impurities on the surface of the filter screen to achieve the purpose of cleaning. However, this method cannot effectively remove hard or strongly adhered dirt, which cannot meet the work requirements of filter screen cleaning. Therefore, a circulating water filter screen cleaning device for thermal power plant is proposed. SUMMARY
[0004] (I) Technical problem solved
[0005] In view of the deficiencies of the prior art, the utility model provides a circulating water filter screen cleaning device for thermal power plant to solve the technical problem that hard or strongly adhered dirt cannot be effectively removed by water flow impact.
[0006] (II) Technical scheme
[0007] To achieve the above purpose, the utility model provides the following technical scheme: a circulating water filter screen cleaning device for thermal power plant, comprising:
[0008] A support, the inner side upper part of the support is connected with a cross bar, the front lower side of the support is installed with a supporting plate, the outer part of the cross bar is sleeved with a moving seat, the bottom middle position of the moving seat is connected with a driving rod;
[0009] A cross beam is installed at the inner side lower part of the support, a motor is installed at the rear middle position of the cross beam through a foot support, and the rotor of the motor is coaxially installed with a transmission block through a flange, and the outer part of the driving rod is sleeved with an assembly block;
[0010] A brush plate is connected at the front end of the assembly block, an L-shaped corner code is installed at the rear part of the assembly block through a bearing, a transmission rod is connected at the bottom of the L-shaped corner code, the transmission rod penetrates the inner part of the transmission block, and a filter screen is inserted and installed at the top of the supporting plate.
[0011] Preferably, the front part of the brush plate is provided with bristles, and the front side of the bristles exceeds the front side of the support, so that the bristles of the brush plate are more uniform in contact with the filter screen surface, and the quality of cleaning the filter screen is improved.
[0012] Preferably, the upper and lower sides of the support are both provided with the L-shaped connecting frame, the inner side of the L-shaped connecting frame is provided with the limiting rod, and the inner side of the L-shaped connecting frame and the front side of the limiting rod are both provided with the sliding groove, so that the limiting rod is facilitated to move.
[0013] Preferably, the sliding groove of the limiting rod is provided with the inserting rod, and the upper and lower ends of the inserting rod are connected with the corresponding positions in the inner side of the L-shaped connecting frame, so that the inserting rod is added to guide the limiting rod.
[0014] Preferably, the rear end of the limiting rod is provided with the hard rubber block, the hard rubber block is added to prevent the limiting rod from damaging the filter screen surface when being pressed on the filter screen surface, the outer side of the limiting rod is connected with the assembling rod, and the outer end of the assembling rod penetrates through the sliding groove in the inner side of the L-shaped connecting frame.
[0015] Preferably, the outer end of the assembling rod is a threaded structure, the outer end of the assembling rod is screwed with the nut, and the outer side of the assembling rod is coaxially connected with the limiting disc at the position in the inner side of the L-shaped connecting frame, so that the filter screen can be inserted on the top of the supporting plate, the filter screen is pressed by pushing the limiting rod, the nut is tightened to fix the limiting rod, the fixing of the filter screen is completed, the movement of the filter screen in the cleaning process is prevented, and the quality of cleaning is improved.
[0016] (Three) beneficial effects
[0017] Compared with the prior art, the utility model provides a kind of circulating water filter screen cleaning device of thermal power plant, with the following beneficial effects:
[0018] The circulating water filter screen cleaning device of thermal power plant, the rotation of transmission block is driven by motor, so that L-shaped angle code and assembly block can be rotated by transmission rod, so that mobile seat can be moved left and right outside cross bar under the cooperation of driving rod, and then assembly block and brush plate can be reciprocated in square trajectory under the driving of motor, when the filter screen surface is cleaned by the spray head connected to the external water pipe, the filter screen surface dirt is synchronously cleaned by the brush plate of square motion, so that the deposit on the filter screen can be cleaned more quickly and conveniently during cleaning, and since the filter screen surface can be covered by one circle of the brush plate in square trajectory, the mechanical damage to the filter screen can be reduced, the force of the brush plate on the filter screen during cleaning is more uniform, the filter screen is prevented from being damaged due to excessive concentration of the brush plate, and the cleaning speed and quality of the filter screen are improved. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is the structure schematic view of the utility model;
[0020] Figure 2 It is the structure schematic view of the utility model inside support;
[0021] Figure 3 It is the structure schematic view of the utility model drive rod and transmission rod;
[0022] Figure 4 It is the structure schematic view of the utility model support and the connection frame structure;
[0023] Figure 5 It is the structure schematic view of the utility model connection frame section view structure.
[0024] In the drawing: 1, support; 2, crossbar; 3, bearing plate; 4, filter screen; 5, moving seat; 6, crossbeam; 7, motor; 8, drive rod; 9, assembly block; 10, brush plate; 11, L-shaped corner code; 12, transmission rod; 13, transmission block; 14, spring; 15, connection frame; 16, limiting rod; 17, sliding slot; 18, plug rod; 19, assembly rod; 20, nut; 21, limiting disc. DETAILED DESCRIPTION
[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0026] The utility model provides a kind of technical scheme, a circulating water filter screen cleaning device of thermal power plant, including support 1, crossbar 2, bearing plate 3, filter screen 4, moving seat 5, crossbeam 6, motor 7, drive rod 8, assembly block 9, brush plate 10, L-shaped corner code 11, transmission rod 12, transmission block 13, spring 14, connection frame 15, limiting rod 16, sliding slot 17, plug rod 18, assembly rod 19, nut 20 and limiting disc 21:
[0027] Please refer to Figure 1 Support 1, the upper portion of the inside of support 1 is connected with crossbar 2, the lower side of the front of support 1 is equipped with bearing plate 3, please refer to Figure 2 Crossbar 2 is equipped with moving seat 5 outside, please refer to Figure 3 The middle position of the bottom of moving seat 5 is connected with drive rod 8;
[0028] Please refer to Figure 2The rear middle position of the crossbeam 6 is provided with a motor 7 through a foot support, and the rotor of the motor 7 is coaxially provided with a transmission block 13 through a flange, please refer to Figure 3 The outer part of the driving rod 8 is provided with an assembly block 9.
[0029] The front end of the assembly block 9 is connected with a brush plate 10, the rear part of the assembly block 9 is provided with an L-shaped corner code 11 through a bearing, the bottom of the L-shaped corner code 11 is connected with a transmission rod 12, the transmission rod 12 penetrates the inside of the transmission block 13, the top of the supporting plate 3 is inserted with a filter screen 4, the front part of the brush plate 10 is provided with bristles, and the front side end surface of the bristles exceeds the front side of the support 1, the outer part of the transmission rod 12 is provided with a spring 14 between the L-shaped corner code 11 and the transmission block 13, the rotation of the transmission block 13 is driven by the motor 7, so that the L-shaped corner code 11 and the assembly block 9 can be driven to rotate through the transmission rod 12, so that the moving seat 5 can move left and right outside the crossbar 2 under the cooperation of the driving rod 8, and then the assembly block 9 and the brush plate 10 can be driven to move back and forth in a square trajectory under the driving of the motor 7, when the surface of the filter screen 4 is cleaned by the spray head connected with the external water pipe, the surface dirt of the filter screen 4 can be synchronously brushed away through the square motion of the brush plate 10, so that the deposited substances on the filter screen 4 can be more quickly and conveniently removed during cleaning, and since the brush plate 10 can cover the surface of the filter screen 4 in one circle of square trajectory, the mechanical damage to the filter screen 4 can be reduced, the force of the brush plate 10 on the filter screen 4 during cleaning is more uniform, the damage of the filter screen 4 caused by excessive concentration of the brush plate 10 is avoided, and the cleaning speed and quality of the filter screen 4 are improved.
[0030] Please refer to Figure 4 The upper and lower sides of the support 1 are both provided with a U-shaped connecting frame 15, please refer to Figure 5 The inner side of the U-shaped connecting frame 15 is inserted with a limiting rod 16, the inner side of the U-shaped connecting frame 15 and the front side of the limiting rod 16 are both provided with a sliding groove 17, the sliding groove 17 of the limiting rod 16 is inserted with a plug rod 18, the upper and lower ends of the plug rod 18 are connected with the corresponding positions in the inner side of the U-shaped connecting frame 15, the rear end of the limiting rod 16 is provided with a hard rubber block, the middle part of the outer side of the limiting rod 16 is connected with an assembly rod 19, the outer end of the assembly rod 19 penetrates the sliding groove 17 in the inner side of the U-shaped connecting frame 15, the outer end of the assembly rod 19 is a screw structure, the outer end of the assembly rod 19 is screwed with a nut 20, the outer part of the assembly rod 19 is coaxially connected with a limiting disc 21 at the position in the inner side of the U-shaped connecting frame 15, the filter screen 4 can be inserted on the top of the supporting plate 3, then the filter screen 4 is pressed against the limiting rod 16 by pushing, and finally the limiting rod 16 is fixed by tightening the nut 20, so that the fixing of the filter screen 4 is completed, the movement of the filter screen 4 during cleaning is prevented, and the quality of brushing is improved.
[0031] The scheme drives the rotation of the transmission block 13 through the motor 7, so that the L-shaped angle code 11 and the assembly block 9 can be driven to rotate through the transmission rod 12, so that the moving seat 5 can move left and right outside the cross rod 2 under the cooperation of the driving rod 8, and then the assembly block 9 and the brush plate 10 can be driven to reciprocate in a square trajectory under the driving of the motor 7, when the spray head connected with the external water pipe cleans the surface of the filter screen 4, the brush plate 10 in square motion synchronously brushes off the dirt on the surface of the filter screen 4, so that the deposited substances on the filter screen 4 can be removed more quickly and conveniently during cleaning, and since the brush plate 10 can cover the surface of the filter screen 4 in one circle of square trajectory, the mechanical damage to the filter screen 4 can be reduced, the force of the brush plate 10 on the filter screen 4 during cleaning is more uniform, the damage of the filter screen 4 caused by excessive concentration of the brush plate 10 at a certain point is avoided, the speed and quality of cleaning the filter screen 4 are improved, and the filter screen 4 can be fixed by inserting it on the top of the supporting plate 3, then pushing the limiting rod 16 to resist the filter screen 4, and finally tightening the nut 20 to fix the limiting rod 16, so that the filter screen 4 can be fixed, and the movement of the filter screen 4 during cleaning is prevented, and the quality of brushing is improved.
[0032] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0033] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A circulating water filter cleaning device for a thermal power plant, characterized in that: Comprising: A bracket (1), with a cross bar (2) connected to the upper part inside the bracket (1), a supporting plate (3) installed on the lower side of the front part of the bracket (1), a moving seat (5) sleeved outside the cross bar (2), and a driving rod (8) connected to the middle position of the bottom of the moving seat (5); A cross beam (6), installed at the lower part inside the bracket (1), with a motor (7) installed at the middle position of the rear part of the cross beam (6) through a tripod, and a transmission block (13) coaxially installed on the rotor of the motor (7) through a flange. An assembly block (9) is sleeved outside the driving rod (8); A brush plate (10), connected to the front end of the assembly block (9). An L-shaped angle code (11) is installed at the rear part of the assembly block (9) through a bearing. A transmission rod (12) is connected to the bottom of the L-shaped angle code (11). The transmission rod (12) penetrates through the inside of the transmission block (13). A filter screen (4) is inserted into the top of the supporting plate (3).
2. The circulating water filter cleaning device for a thermal power plant according to claim 1, characterized in that: Brush hairs are installed at the front part of the brush plate (10), and the front side end face of the brush hairs extends beyond the front side of the bracket (1). A spring (14) is sleeved at the position between the L-shaped angle code (11) and the transmission block (13) outside the transmission rod (12).
3. The circulating water filter cleaning device for a thermal power plant according to claim 1, characterized in that: C-shaped connecting frames (15) are installed on both the upper and lower sides of the bracket (1). Limiting rods (16) are inserted into the insides of the C-shaped connecting frames (15). Chute grooves (17) are opened on the outer sides inside the C-shaped connecting frames (15) and on the front sides inside the limiting rods (16).
4. The circulating water filter cleaning device for a thermal power plant according to claim 3, characterized in that: Insertion rods (18) are inserted into the chute grooves (17) of the limiting rods (16), and the upper and lower ends of the insertion rods (18) are connected to the corresponding positions inside the C-shaped connecting frames (15).
5. The circulating water filter cleaning device for a thermal power plant according to claim 4, characterized in that: Hard rubber blocks are installed at the rear ends of the limiting rods (16). Assembly rods (19) are connected to the middle parts on the outer sides of the limiting rods (16). The outer ends of the assembly rods (19) penetrate through the chute grooves (17) inside the C-shaped connecting frames (15).
6. The circulating water filter cleaning device for a thermal power plant according to claim 5, characterized in that: The outer ends of the assembly rods (19) are of a threaded structure, nuts (20) are screwed on the outer ends of the assembly rods (in), and limiting discs (21) are coaxially connected to the positions on the outer sides of the assembly rods (19) inside the C-shaped connecting frames (15).