Water supply device of deaerator

By introducing a step-by-step filtration system and a motor-driven scraper cleaning structure into the deaerator water supply device, the problem of water impurities entering the pipeline is solved, achieving efficient filtration and convenient cleaning, and simplifying the maintenance process.

CN224062486UActive Publication Date: 2026-03-31SUZHOU RONGBAOCHANG MACHINERY TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-18
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

In existing deaerator water supply devices, impurities and foreign objects in the water can easily enter the pipes with the water flow after the water enters the container, increasing the workload and complexity of cleaning.

Method used

A filtration system comprising a water tank, a coarse filter screen, a precision filter screen, a filter element, and a motor drive is designed. It filters impurities and foreign objects step by step and is equipped with scrapers and solenoid valves for easy cleaning. The tank cover is easy to install and disassemble via a motor-driven gear system.

Benefits of technology

It achieves step-by-step water filtration, making it easy to clean impurities and foreign matter deposits, improving cleaning convenience, and ensuring filtration effect and convenient installation and removal of the tank cover.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a deaerator water supply device which comprises a water supply tank, the inner wall of the water supply tank is fixedly connected with a base plate, the top end of the base plate is fixedly connected with a threaded sleeve, the surface of the threaded sleeve is connected with a rough filter screen in a sliding mode, and the surface of the threaded sleeve is movably sleeved with a connecting spring. And the surface of the threaded sleeve is slidably connected with a precise filter screen, the top of the precise filter screen is provided with a filter element, and the interior of the threaded sleeve is in threaded connection with a connecting bolt. Water enters the water supply tank through the water inlet pipe, flows from bottom to top and sequentially passes through the rough filter screen, the precise filter screen and the filter element, so that the water is filtered step by step, and impurities and foreign matters are filtered and intercepted to be deposited at the bottom of the water supply tank so as to be convenient to clean; the output shaft drives the connecting shaft to rotate, and the connecting plate drives the scraper to rotate, so that impurities and foreign matters at the bottom of the water supply tank are cleaned.
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Description

Technical Field

[0001] This utility model relates to the field of deaerator water supply technology, specifically a deaerator water supply device. Background Technology

[0002] A deaerator is a device that works on the principle of thermal deoxygenation. It is mainly used to remove dissolved oxygen and other gases from water, prevent corrosion of equipment and pipelines, and ensure the safe operation of the system. The water supply device is an important component of the deaerator, and it is responsible for introducing water into the deaerator.

[0003] According to CN221301307U, a deaerator water supply device includes a deaerator water supply container body. A support base is installed at the bottom of the deaerator water supply container body, and support feet are provided at the bottom of the support base. The device is equipped with a locking device, which allows for easy opening of the top connection cover corresponding to the top of the deaerator water supply container body when it needs to be opened. This facilitates easy unlocking and opening of the top connection cover for internal maintenance and cleaning, making operation relatively simple. The device also includes a support device. After the connecting pipe and the deaerator water supply container body are connected, a limiting pad drives a movable frame and a movable sleeve to move. The movable sleeve can be movably fitted onto the bottom of the corresponding connecting pipe, providing support to the bottom of the connecting pipe and improving the connection stability between the connecting pipe and the deaerator water supply container body.

[0004] The locking device described above allows for the installation and removal of the connecting cover, enabling maintenance and cleaning of the container's interior. However, once water enters the container, impurities and foreign objects in the water can easily move with the water flow and enter the pipes, thus increasing the workload and complexity of cleaning. Utility Model Content

[0005] The purpose of this invention is to provide a deaerator water supply device to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a deaerator water supply device, comprising a water supply tank, a pad fixedly connected to the inner wall of the water supply tank, a threaded sleeve fixedly connected to the top of the pad, a coarse filter screen slidably connected to the surface of the threaded sleeve, a connecting spring movably sleeved on the surface of the threaded sleeve, a precision filter screen slidably connected to the surface of the threaded sleeve, a filter element provided at the top of the precision filter screen, a connecting bolt threadedly connected to the inside of the threaded sleeve, a rotating plate fixedly connected to the top of the connecting bolt, and a stop block rotatably connected to the surface of the connecting bolt.

[0007] As a further preferred embodiment of this technical solution, the number of threaded sleeves is set to four, the number of connecting springs corresponds to the number of threaded sleeves, the connecting springs are located between the coarse filter screen and the precision filter screen, and the bottom of the stop block is in contact with the filter element.

[0008] As a further preferred embodiment of this technical solution, a first motor is fixedly connected to the bottom of the water supply tank, a connecting shaft is fixedly connected to the output shaft of the first motor, a connecting plate is fixedly connected to the surface of the connecting shaft, a scraper is fixedly connected to the end of the connecting plate away from the connecting shaft, a water inlet pipe is fixedly connected to the bottom of the water supply tank, and a sewage outlet pipe is fixedly connected to the bottom of the water supply tank.

[0009] As a further preferred embodiment of this technical solution, two scrapers are provided, and the two scrapers are in contact with the inner wall of the water tank. Solenoid valves are installed inside the water inlet pipe and the sewage outlet pipe.

[0010] As a further preferred embodiment of this technical solution, a support frame is provided at the bottom of the water supply tank, a pump body is fixedly connected to the top of the support frame, a conduit is fixedly connected to the top of the pump body, and a water outlet pipe is fixedly connected to the side of the pump body away from the water supply tank.

[0011] As a further preferred embodiment of this technical solution, the inner wall of the water supply tank is provided with a positioning groove, the top of the water supply tank is provided with a sealing gasket, the top of the water supply tank is provided with a tank cover, the bottom of the tank cover is provided with a sliding groove, the top of the tank cover is fixedly connected to a second motor, the output shaft of the second motor is fixedly connected to a drive gear, the surface of the drive gear is meshed with a rack plate, the top of the rack plate is fixedly connected to a slider, and the side of the rack plate near the positioning groove is fixedly connected to an insert block.

[0012] As a further preferred embodiment of this technical solution, there are two positioning slots, which are adapted to the insert block. The drive gear and rack plate are located at the bottom of the cover, and the slider is located inside the slide groove.

[0013] This utility model provides a deaerator water supply device, which has the following beneficial effects:

[0014] (1) This utility model allows water to enter the water supply tank through the inlet pipe. The water flows from bottom to top and passes through the coarse filter screen, the precision filter screen and the filter element in sequence, thereby achieving step-by-step filtration of the water and filtering and intercepting impurities and foreign objects, which are then deposited at the bottom of the water supply tank for easy cleaning. After the water at the top of the filter element is drained, the first motor is started, and its output shaft drives the connecting shaft to rotate. The connecting plate drives the scraper to rotate, thereby cleaning the impurities and foreign objects at the bottom of the water supply tank. Opening the drain pipe allows the impurities and foreign objects to flow out with the water, thus improving the convenience of cleaning.

[0015] (2) By starting the second motor, the output shaft of this utility model drives the drive gear to rotate. Due to the meshing of the rack plate and the drive gear, the rack plates on both sides of the drive gear slide at the bottom of the box cover. The insert block disengages from the positioning groove. Pull the box cover upward to remove it. Rotate the rotating plate to make the connecting bolt rotate inside the threaded sleeve. After the two are separated, the coarse filter screen, the precision filter screen and the filter element can be taken out and cleaned, thereby ensuring the overall filtration effect. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a bottom view of the structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the water supply tank of this utility model;

[0019] Figure 4 This is a schematic diagram of the coarse filter screen and the precision filter screen of this utility model;

[0020] Figure 5 This is a schematic diagram of the positioning groove and insert block structure of this utility model.

[0021] In the diagram: 1. Water tank; 2. Pad plate; 3. Threaded sleeve; 4. Coarse filter screen; 5. Connecting spring; 6. Precision filter screen; 7. Filter element; 8. Connecting bolt; 9. Rotating plate; 10. Stop block; 11. First motor; 12. Connecting shaft; 13. Connecting plate; 14. Scraper; 15. Inlet pipe; 16. Drain pipe; 17. Support frame; 18. Pump body; 19. Guide pipe; 20. Outlet pipe; 21. Positioning groove; 22. Sealing gasket; 23. Tank cover; 24. Slide groove; 25. Second motor; 26. Drive gear; 27. Rack plate; 28. Slider; 29. ​​Insert block. Detailed Implementation

[0022] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0023] This utility model provides a technical solution: such as Figure 1 and Figure 5As shown in this embodiment, a deaerator water supply device includes a water supply tank 1. A pad 2 is fixedly connected to the inner wall of the water supply tank 1. A threaded sleeve 3 is fixedly connected to the top of the pad 2. A coarse filter screen 4 is slidably connected to the surface of the threaded sleeve 3. A connecting spring 5 is movably sleeved on the surface of the threaded sleeve 3. A precision filter screen 6 is slidably connected to the surface of the threaded sleeve 3. A filter element 7 is provided on the top of the precision filter screen 6. A connecting bolt 8 is threadedly connected to the inside of the threaded sleeve 3. A rotating plate 9 is fixedly connected to the top of the connecting bolt 8. A stop block 10 is rotatably connected to the surface of the connecting bolt 8.

[0024] Water enters the water supply tank 1 through the inlet pipe 15, flowing from bottom to top and passing sequentially through the coarse filter screen 4, the precision filter screen 6, and the filter element 7, thus achieving step-by-step filtration of the water and filtering out impurities and foreign objects, which are then deposited at the bottom of the water supply tank 1 for easy cleaning. The filter assembly is fixed inside the water supply tank 1 by connecting bolts 8 and stop blocks 10. When it is necessary to disassemble and clean the filter assembly, rotate the rotating plate 9 to make the connecting bolts 8 rotate inside the threaded sleeve 3. After the two are separated, the coarse filter screen 4, the precision filter screen 6, and the filter element 7 can be taken out for cleaning, thereby ensuring the overall filtration effect.

[0025] There are four threaded sleeves 3. The number of connecting springs 5 ​​corresponds to the number of threaded sleeves 3. The connecting springs 5 ​​are located between the coarse filter screen 4 and the precision filter screen 6. The bottom of the stop block 10 is in contact with the filter element 7.

[0026] A first motor 11 is fixedly connected to the bottom of the water supply tank 1. A connecting shaft 12 is fixedly connected to the output shaft of the first motor 11. A connecting plate 13 is fixedly connected to the surface of the connecting shaft 12. A scraper 14 is fixedly connected to the end of the connecting plate 13 away from the connecting shaft 12. A water inlet pipe 15 is fixedly connected to the bottom of the water supply tank 1. A sewage pipe 16 is fixedly connected to the bottom of the water supply tank 1.

[0027] By starting the first motor 11, its output shaft drives the connecting shaft 12 to rotate, and the connecting plate 13 drives the scraper 14 to rotate, thereby scraping away impurities and foreign objects at the bottom of the water tank 1. Opening the solenoid valve in the drain pipe 16 allows the impurities and foreign objects to flow out with the water, thus improving the convenience of cleaning.

[0028] There are two scrapers 14, and the two scrapers 14 are in contact with the inner wall of the water supply tank 1. Solenoid valves are installed inside the water inlet pipe 15 and the sewage pipe 16.

[0029] A support frame 17 is provided at the bottom of the water supply tank 1. A pump body 18 is fixedly connected to the top of the support frame 17. A conduit 19 is fixedly connected to the top of the pump body 18. A water outlet pipe 20 is fixedly connected to the side of the pump body 18 away from the water supply tank 1.

[0030] The inner wall of the water tank 1 is provided with a positioning groove 21, the top of the water tank 1 is provided with a sealing gasket 22, the top of the water tank 1 is provided with a tank cover 23, the bottom of the tank cover 23 is provided with a sliding groove 24, the top of the tank cover 23 is fixedly connected to a second motor 25, the output shaft of the second motor 25 is fixedly connected to a drive gear 26, the surface of the drive gear 26 is meshed with a rack plate 27, the top of the rack plate 27 is fixedly connected to a slider 28, and the side of the rack plate 27 near the positioning groove 21 is fixedly connected to an insert block 29.

[0031] By installing the sealing gasket 22 on the top of the water tank 1 and placing the tank cover 23 on the water tank 1, the second motor 25 is started. Its output shaft drives the drive gear 26 to rotate, and the rack plate 27 moves accordingly. The slider 28 slides inside the slide groove 24. After moving a certain distance, the insert block 29 engages in the positioning groove 21, thereby fixing the position of the tank cover 23 and the water tank 1, thus improving the convenience of installing and removing the tank cover 23. The sealing gasket 22 is provided between the water tank 1 and the tank cover 23 to ensure the overall sealing effect. Furthermore, air holes can be provided on the tank cover 23. By controlling its opening and closing, air pressure balance can be ensured to facilitate water inlet and drainage.

[0032] There are two positioning slots 21, which are adapted to the insert block 29. The drive gear 26 and rack plate 27 are located at the bottom of the cover 23, and the slider 28 is located inside the slide groove 24.

[0033] This utility model provides a deaerator water supply device, the specific working principle of which is as follows:

[0034] In use, the coarse filter screen 4, the precision filter screen 6, and the filter element 7 are installed on the threaded sleeve 3 through the notches on their surfaces. The connecting spring 5 is then placed on the threaded sleeve 3, positioning it between the coarse filter screen 4 and the precision filter screen 6. The connecting bolt 8 is aligned with the threaded sleeve 3, and the rotating plate 9 is rotated, causing the connecting bolt 8 to rotate inside the threaded sleeve 3. After rotating a certain number of times, the stop block 10 contacts the filter element 7 and the rotating plate 9, thereby fixing the filter assembly inside the water supply tank 1. The sealing gasket 22 is installed on the top of the water supply tank 1, and the tank cover 23 is placed on the water supply tank 1. The second motor 25 is started, and its output shaft drives the drive gear 26 to rotate. The rack plate 27 moves accordingly and drives the insert block 29 to engage in the positioning groove 21, thereby fixing the position of the tank cover 23 and the water supply tank 1. Water enters the water supply tank 1 through the water inlet pipe 15. The water flows from bottom to top and passes through the coarse filter screen 4, the precision filter screen 6 and the filter element 7 in sequence to achieve step-by-step filtration of the water. When water needs to be supplied to the deaerator, the pump body 18 is started to allow water to enter the conduit 19 and then be discharged from the water outlet pipe 20 into the deaerator to achieve water supply.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A deaerator feedwater installation comprising a feedwater tank (1), characterized in that: The inner wall of the water tank (1) is fixedly connected with a backing plate (2), the top end of the backing plate (2) is fixedly connected with a threaded sleeve (3), the surface of the threaded sleeve (3) is slidably connected with a rough filter screen (4), the surface of the threaded sleeve (3) is movably sleeved with a connecting spring (5), the surface of the threaded sleeve (3) is slidably connected with a precision filter screen (6), the top of the precision filter screen (6) is provided with a filter core (7), the inside of the threaded sleeve (3) is threadedly connected with a connecting bolt (8), the top end of the connecting bolt (8) is fixedly connected with a rotating plate (9), the surface of the connecting bolt (8) is rotatably connected with a stop block (10).

2. A deaerator feedwater device according to claim 1, characterized in that: The number of the threaded sleeve (3) is four, the number of the connecting spring (5) and the threaded sleeve (3) corresponds, the connecting spring (5) is located between the rough filter screen (4) and the precision filter screen (6), the bottom of the stop block (10) is in contact with the filter core (7).

3. A deaerator feedwater device according to claim 1, wherein: The bottom end of the water tank (1) is fixedly connected with a first motor (11), the output shaft of the first motor (11) is fixedly connected with a connecting shaft (12), the surface of the connecting shaft (12) is fixedly connected with a connecting plate (13), the end, away from the connecting shaft (12), of the connecting plate (13) is fixedly connected with a scraper (14), the bottom of the water tank (1) is fixedly connected with a water inlet pipe (15), the bottom of the water tank (1) is fixedly connected with a sewage pipe (16).

4. A deaerator feedwater device according to claim 3, wherein: The number of the scraper (14) is two, the two scrapers (14) are in contact with the inner wall of the water tank (1), the inside of the water inlet pipe (15) and the sewage pipe (16) is provided with a solenoid valve.

5. A deaerator feedwater device as claimed in claim 1, wherein: The bottom end of the water tank (1) is provided with a support frame (17), the top end of the support frame (17) is fixedly connected with a pump body (18), the top end of the pump body (18) is fixedly connected with a conduit (19), the side, away from the water tank (1), of the pump body (18) is fixedly connected with a water outlet pipe (20).

6. An oxygen scavenger feedwater device according to claim 1, characterized in that: The inner wall of the water tank (1) is provided with a positioning groove (21), the top of the water tank (1) is provided with a sealing gasket (22), the top end of the water tank (1) is provided with a tank cover (23), the bottom of the tank cover (23) is provided with a sliding groove (24), the top end of the tank cover (23) is fixedly connected with a second motor (25), the output shaft of the second motor (25) is fixedly connected with a drive gear (26), the surface of the drive gear (26) is engaged with a rack plate (27), the top end of the rack plate (27) is fixedly connected with a sliding block (28), the side, close to the positioning groove (21), of the rack plate (27) is fixedly connected with a plug-in block (29).

7. A deaerator feedwater device according to claim 6, characterized in that: The number of the positioning groove (21) is two, the two positioning grooves (21) are matched with the plug-in block (29), the drive gear (26) and the rack plate (27) are located at the bottom end of the tank cover (23), the sliding block (28) is located inside the sliding groove (24).

Citation Information

Patent Citations

  • Water supply device of deaerator

    CN221301307U