Device for removing hardness of make-up water of circulating water of power plant
By introducing a stirring system and filter structure into the power plant circulating water supplement water hardness removal device, the problem of difficulty in removing precipitated residues is solved, and rapid reaction and convenient residue treatment are achieved to ensure efficient operation of the device.
Patent Information
- Application Number
- CN202421943799.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-08-12
AI Technical Summary
The existing power plant circulating water supplementary water hardness removal device is difficult to effectively collect and process the precipitated residue generated by the reaction, which affects the reuse of the device.
A device including a treatment tank, a stirring system and a filter is designed. The spiral blades and a stirring blades are driven by a motor drive the rotating shaft for stirring. After the reaction, the residue is filtered through the filter, and the filter can be manually extracted for residue collection.
The reaction speed and stirring effect are improved, and the residue is easily collected and processed, ensuring the continuous use of the device.
Smart Images

Figure CN223268477U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of water treatment, and in particular relates to a device for removing hardness of circulating water supplementary water in a power plant. Background Art
[0002] The quality of recycled feed water for thermal power generation presents several challenges, including determining which substances in the water must be removed or reduced before entering the circulating cooling system, and where to most effectively and economically add conditioning agents. Temporary hardness can typically be removed by adding water treatment chemicals, while permanent hardness can be removed through specialized water treatment processes.
[0003] The existing patent with authorization announcement number CN209128156U discloses a device for removing hardness from circulating water makeup water in a power plant, including a reactor, a catalytic dosing tank, a water inlet pipe, and a lime dosing pipe. The upper part of the catalytic dosing tank is connected to the reactor through a pipe, and the lower part is connected to the water inlet pipe. The reactor has a conical structure with filter material inside. A residue discharge port is opened at the tip of the bottom end. The two sides of the bottom end of the reactor are respectively connected to the water inlet pipe and the lime dosing pipe.
[0004] However, it is difficult for the device to collect and process the precipitated residue generated by the reaction, which makes it difficult to remove the precipitated residue, affecting its subsequent reuse. Utility Model Content
[0005] In view of the above problems, the utility model provides a device for removing hardness of circulating water make-up water in a power plant.
[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a device for removing hardness of circulating water make-up water in a power plant, comprising a treatment tank, a mounting bracket fixedly provided on the top of the treatment tank, a motor fixedly provided on the side end of the mounting bracket, a rotating shaft fixedly provided on the output end of the motor, the bottom end of the rotating shaft passes through the top of the treatment tank and is fixedly provided with a spiral blade, a plurality of support shafts are rotatably provided on the top of the treatment tank, the bottom ends of the plurality of support shafts all pass through the top of the treatment tank and are fixedly provided with stirring blades, a transmission assembly for driving the plurality of support shafts to rotate is provided on the rotating shaft, a connecting pipe is fixedly provided on the bottom of the treatment tank, a filter box is fixedly provided on the bottom end of the connecting pipe, a filter screen is provided on the inside of the filter box, and a drain outlet is provided at the bottom of the filter box.
[0007] Preferably, a water inlet and a drug adding port are provided on the top of the treatment tank.
[0008] Preferably, the transmission assembly includes a driving gear and a driven gear, and there are multiple driven gears. The multiple driven gears are respectively fixed on multiple support shafts, and the driving gear is fixed on the rotating shaft. The driving gear is meshed and connected with the multiple driven gears.
[0009] Preferably, the connecting pipe connects the treatment tank and the filter box, and a solenoid valve is provided inside the connecting pipe.
[0010] Preferably, an installation groove for installing a filter screen is provided on the inner side wall of the filter box, and one side of the filter screen extends out of the filter box and is fixedly provided with a handle.
[0011] Preferably, the side wall of the filter box is provided with an opening for the filter screen to pass through, and the fixed sleeve outside the filter screen is provided with a sealing plate for blocking the opening.
[0012] Preferably, four supporting legs are fixedly provided on the bottom of the processing tank.
[0013] Compared with the prior art, the beneficial effects of the present invention are:
[0014] 1. The motor drives the shaft to rotate, and the shaft drives the spiral blades to rotate. The supplementary water and lime water in the treatment tank are stirred by the spiral blades, so that the supplementary water and lime water react. The shaft drives the driving gear to rotate at the same time, and the driving gear drives multiple driven gears to rotate. The multiple driven gears drive multiple support shafts and multiple stirring blades to rotate, thereby improving the stirring effect and accelerating the reaction speed.
[0015] 2. Filter through the filter, the residue is retained on the filter, and the replenishing water passes through the filter and is discharged through the drain outlet. When the residue generated by the reaction needs to be collected and processed, the handle is pulled outward to pull out the filter, and then the residue retained on the surface of the filter is collected and processed. It is very convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a schematic structural diagram of the overall cross-section of the utility model;
[0018] Figure 3 It is a structural diagram of part of the utility model;
[0019] Figure 4 It is a structural diagram of the filter screen of the present utility model.
[0020] In the figure: 1. Treatment tank; 2. Mounting frame; 3. Motor; 4. Rotating shaft; 5. Spiral blade; 6. Support shaft; 7. Stirring blade; 8. Connecting pipe; 9. Filter box; 10. Filter screen; 11. Drain outlet; 12. Water inlet; 13. Dosing port; 14. Driving gear; 15. Driven gear; 16. Solenoid valve; 17. Handle; 18. Sealing plate; 19. Support leg. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0022] Reference Figures 1-4 A device for removing hardness from circulating water and make-up water in a power plant includes a treatment tank 1, a mounting bracket 2 is fixedly provided on the top of the treatment tank 1, a motor 3 is fixedly provided on the side end of the mounting bracket 2, a rotating shaft 4 is fixedly provided on the output end of the motor 3, the bottom end of the rotating shaft 4 passes through the top of the treatment tank 1 and is fixedly provided with a spiral blade 5, a plurality of support shafts 6 are rotatably provided on the top of the treatment tank 1, the bottom ends of the plurality of support shafts 6 all pass through the top of the treatment tank 1 and are fixedly provided with stirring blades 7, a transmission assembly for driving the plurality of support shafts 6 to rotate is provided on the rotating shaft 4, the transmission assembly includes a driving gear 14 and a driven gear 15, a plurality of driven gears 15 are provided, and the plurality of driven gears 15 are respectively fixedly provided on the plurality of support shafts 6, the driving gear 14 is fixedly provided on the rotating shaft 4, and the driving gear 14 is meshed and connected with the plurality of driven gears 15.
[0023] Specifically, the motor 3 drives the rotating shaft 4 to rotate, and the rotating shaft 4 drives the spiral blade 5 to rotate. The supplementary water and lime water in the treatment tank 1 are stirred by the spiral blade 5, so that the supplementary water and the lime water react. The rotating shaft 4 simultaneously drives the driving gear 14 to rotate, and the driving gear 14 drives multiple driven gears 15 to rotate. The multiple driven gears 15 drive multiple support shafts 6 and multiple stirring blades 7 to rotate, thereby improving the stirring effect and accelerating the reaction speed.
[0024] A water inlet 12 and a drug inlet 13 are provided on the top of the treatment tank 1 .
[0025] Furthermore, a connecting pipe 8 is fixedly provided at the bottom of the treatment tank 1, a filter box 9 is fixedly provided at the bottom end of the connecting pipe 8, a filter screen 10 is provided inside the filter box 9, the connecting pipe 8 connects the treatment tank 1 and the filter box 9, and a solenoid valve 16 is provided inside the connecting pipe 8. The supplementary water and lime water after the reaction are completed are input into the filter box 9 through the connecting pipe 8 and filtered through the filter screen 10.
[0026] In addition, an installation groove for installing the filter screen 10 is provided on the inner wall of the filter box 9, and a handle 17 is fixedly provided on one side of the filter screen 10. An opening for the filter screen 10 to pass through is provided on the side wall of the filter box 9, and a sealing plate 18 for sealing the opening is fixedly provided on the outer side of the filter screen 10. The sealing plate 18 is used to seal the installation position of the filter screen 10 and the filter box 9.
[0027] In addition, a drain outlet 11 is provided at the bottom of the filter box 9 .
[0028] Finally, four supporting legs 19 are fixedly provided on the bottom of the processing tank 1 .
[0029] The operating principle of the present invention is described as follows: supplementary water and lime water are added to the treatment tank 1 through the water inlet 12 and the dosing port 13, and the rotating shaft 4 is driven by the motor 3 to rotate, and the rotating shaft 4 drives the spiral blade 5 to rotate. The supplementary water and lime water in the treatment tank 1 are stirred by the spiral blade 5, so that the supplementary water and lime water react, and the rotating shaft 4 simultaneously drives the driving gear 14 to rotate, and the driving gear 14 drives multiple driven gears 15 to rotate, and the multiple driven gears 15 drive multiple support shafts 6 and multiple stirring blades 7 to rotate, thereby improving the stirring effect and accelerating the reaction speed. After the reaction is completed, the solenoid valve 16 is opened, so that the reaction-completed supplementary water and lime water mixture is input into the filter box 9 through the connecting pipe 8, filtered through the filter screen 10, and the residue is trapped on the filter screen 10. The supplementary water passes through the filter screen 10 and is discharged through the drain port 11. When it is necessary to collect and process the residue generated by the reaction, the handheld handle 17 is pulled outward to extract the filter screen 10, and then the residue trapped on the surface of the filter screen 10 is collected and processed.
[0030] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A device for removing hardness from circulating water makeup water in a power plant, comprising a treatment tank (1); Its characteristics are: A mounting frame (2) is fixedly provided on the top of the processing tank (1), a motor (3) is fixedly provided on the side end of the mounting frame (2), a rotating shaft (4) is fixedly provided on the output end of the motor (3), and a spiral blade (5) is fixedly provided on the bottom end of the rotating shaft (4) passing through the top of the processing tank (1); The top of the processing tank (1) is provided with a plurality of fulcrums (6) for rotation, the bottom ends of the plurality of fulcrums (6) all pass through the top of the processing tank (1) and are fixedly provided with stirring blades (7), and the rotating shaft (4) is provided with a transmission assembly for driving the plurality of fulcrums (6) to rotate; A connecting pipe (8) is fixedly provided at the bottom of the treatment tank (1), a filter box (9) is fixedly provided at the bottom end of the connecting pipe (8), and a filter screen (10) is provided inside the filter box (9); A drain outlet (11) is provided at the bottom of the filter box (9).
2. The device for removing hardness of circulating water make-up water in a power plant according to claim 1, characterized in that: The top of the treatment tank (1) is provided with a water inlet (12) and a drug inlet (13).
3. The device for removing hardness of circulating water makeup water in a power plant according to claim 2, characterized in that: The transmission assembly comprises a driving gear (14) and a driven gear (15), wherein a plurality of the driven gears (15) are provided, and the plurality of driven gears (15) are respectively fixedly provided on a plurality of support shafts (6), and the driving gear (14) is fixedly provided on a rotating shaft (4), and the driving gear (14) is meshedly connected with the plurality of driven gears (15).
4. The power plant circulating water make-up water hardness removal device according to claim 3, characterized in that: The connecting pipe (8) connects the treatment tank (1) and the filter box (9), and a solenoid valve (16) is provided inside the connecting pipe (8).
5. The device for removing hardness of circulating water makeup water in a power plant according to claim 4, characterized in that: An installation groove for installing a filter screen (10) is provided on the inner side wall of the filter box (9), and one side of the filter screen (10) extends out of the filter box (9) and is fixedly provided with a handle (17).
6. The device for removing hardness of circulating water makeup water in a power plant according to claim 5, characterized in that: The side wall of the filter box (9) is provided with an opening for the filter screen (10) to pass through, and a sealing plate (18) for blocking the opening is fixedly sleeved on the outside of the filter screen (10).
7. A power plant circulating water make-up water hardness removal device according to any one of claims 2 to 6, characterized in that: Four supporting legs (19) are fixedly arranged on the bottom of the processing tank (1).
Citation Information
Patent Citations
Power plant circulating water make-up water hardness removing device
CN209128156U
Cited By
Desulfurization slurry softening device and method
CN121778926A