Constant pressure water replenishment vacuum degassing device
Through a multi-stage filtration structure and sealing design, the problems of inconvenient filter screen disassembly and insufficient device sealing have been solved, realizing a constant pressure water replenishment vacuum degassing device that is easy to disassemble and can operate stably.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI AODONG WATER TREATMENT TECHNOLOGY CO LTD
- Filing Date
- 2025-07-31
- Publication Date
- 2026-07-24
AI Technical Summary
In existing constant pressure water replenishment vacuum degassing devices, the filter screen is inconvenient to disassemble, which leads to clogging of the mesh, affecting the quality of water filtration and treatment. In addition, the device is not well sealed and is prone to leakage.
A multi-stage filtration structure was designed, including a pre-filter plate, a filter screen plate, and an impurity adsorption screen. The filter screen plate is stably connected by a snap-fit block, a positioning snap-fit block, and a positioning clip, and is equipped with a sealing door and a waterproof sealing ring to ensure convenient disassembly and sealing performance of the device.
It enables convenient disassembly and replacement of the filter screen, improves water filtration efficiency, extends the life of the device, and ensures stable operation and sealing through multi-stage filtration and sealing structure.
Smart Images

Figure CN224548226U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of constant pressure water replenishment technology, specifically a constant pressure water replenishment vacuum degassing device. Background Technology
[0002] Constant pressure water replenishment vacuum degassing devices are widely used in water circulation systems such as heating and air conditioning. Their main functions are to maintain stable system pressure, replenish system water volume, and remove gas from the water to ensure normal system operation. In the device, the filter screen in the water storage tank is used to filter the water entering the system and remove impurities. As the usage time increases, the internal filter screen needs to be disassembled regularly for cleaning or replacement. In the existing technology, the disassembly of the filter screen often requires deep operation inside the water storage tank, which is inconvenient. If it is not removed in time during long-term use, it will cause the mesh to become clogged, which will greatly affect the filtration quality of the internal water resources. Utility Model Content
[0003] The purpose of this invention is to provide a constant pressure water replenishment vacuum degassing device, which has the advantage of allowing the internal filter structure to be disassembled.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a constant pressure water replenishment vacuum degassing device, comprising a base, a constant pressure tank installed on the left side of the top of the base, a delivery pump fixedly installed on the right side of the constant pressure tank, a main pipeline connected to the front of the delivery pump, two pipelines connected to the surface of the main pipeline, the left pipeline connected to the inside of the constant pressure tank, and the right pipeline connected to a vacuum degassing tank, a water storage tank connected to the right side of the vacuum degassing tank via a water pump, a control valve movably installed on the surface of the main pipeline, a water inlet pipe connected to the top of the right side of the water storage tank, support frames installed on both sides of the inner cavity of the water storage tank, fixed seats fixedly installed on both the front and rear sides of the inner cavity of the support frames, a positioning bracket slidably installed on the outside of the fixed seat, a support spring installed between the inner side of the positioning bracket and the fixed seat, a locking block being installed at the other end of the positioning bracket via a positioning block, a filter screen plate being installed on the upper end of the locking block, and primary filter plates being installed on both sides of the top of the filter screen plate via support pads.
[0005] As a preferred embodiment, a sealing door is movably installed on the back of the water storage tank, and a waterproof sealing ring is installed between the end of the sealing door and the inner wall of the water storage tank.
[0006] As a preferred embodiment, a filter frame is fixedly installed at the bottom of the inner cavity of the water storage tank, and an impurity adsorption screen is snapped into the inside of the filter frame, with the impurity adsorption screen located below the filter screen plate.
[0007] As a preferred embodiment, a sealing cover is installed on the top of the water storage tank, and a sealing gasket is installed at the bottom of the sealing cover in close contact with the inner wall of the water storage tank.
[0008] As a preferred embodiment, a positioning bracket is bolted to the top right side of the water storage tank, and the upper end of the positioning bracket is sleeved on the surface of one end of the water inlet pipe.
[0009] As a preferred embodiment, the back of the vacuum degassing tank is connected to a drain pipe, and a control valve is movably installed on one end of the drain pipe.
[0010] As a preferred embodiment, positioning clips are embedded in the inner walls on both sides of the lower end of the water storage tank, and the snap-fit ends of the positioning clips are connected to the positioning protrusions on the outside of the filter frame.
[0011] As a preferred embodiment, the snap-fit end of the positioning block is designed in a wedge shape, and the lower side of the positioning block is firmly attached to the end of the snap-fit block.
[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0013] 1. This utility model forms a multi-stage filtration structure by setting up a primary filter plate, a filter screen plate, and an impurity adsorption screen. It can fully filter the makeup water entering the water storage tank, effectively remove impurities and particulate matter from the water, improve the water quality of the makeup water, and help ensure the normal operation of the device and extend its service life. The filter screen plate is connected to the support frame through structures such as snap-fit blocks, positioning blocks, and positioning brackets. Under the action of the support spring, the positioning bracket can drive the positioning blocks to tightly snap into the snap-fit blocks, ensuring the stability of the filter screen plate installation. At the same time, when it is necessary to disassemble the filter screen plate, simply pull the positioning bracket to separate the positioning blocks from the snap-fit blocks. The operation is simple and convenient for cleaning or replacing the filter screen plate and the primary filter plate.
[0014] 2. This utility model provides a convenient operating channel for daily maintenance and replacement of internal filter components through a sealing door that is movably installed on the back of the water storage tank, combined with a waterproof sealing ring at the end. The waterproof sealing ring also ensures the sealing performance of the water storage tank, effectively preventing water leakage and ensuring the stability of the device's operation. The filter frame and the impurity adsorption net installed at the bottom of the inner cavity of the water storage tank can not only purify the water after preliminary filtration, but also further adsorb the fine impurities remaining in the water, thus improving the quality of the replenished water. Attached Figure Description
[0015] Figure 1 This is a first-view perspective structural perspective view of the present invention;
[0016] Figure 2 This is a second-view perspective structural perspective view of the present invention;
[0017] Figure 3 This is a partial structural cross-sectional view of the present invention;
[0018] Figure 4 This is a cross-sectional view of the internal structure of the water storage tank of this utility model;
[0019] Figure 5 This utility model Figure 4 A magnified view of a portion of point A in the middle.
[0020] In the diagram: 1. Base; 2. Pressure tank; 3. Vacuum degassing tank; 4. Transfer pump; 5. Main pipeline; 6. Control valve; 7. Water pump; 8. Water storage tank; 9. Sealing cover; 10. Inlet pipe; 11. Drain pipe; 12. Control valve; 13. Positioning bracket; 14. Support frame; 15. Fixing seat; 16. Support spring; 17. Positioning bracket; 18. Positioning block; 19. Snap-fit block; 20. Filter screen; 21. Primary filter plate; 22. Sealing door; 23. Filter frame; 24. Impurity adsorption screen. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0022] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in an embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.
[0023] Example 1:
[0024] Please see Figure 1As shown, this utility model provides a constant pressure water replenishment vacuum degassing device, including a base 1, a constant pressure tank 2 installed on the left side of the top of the base 1, a delivery pump 4 fixedly installed on the right side of the constant pressure tank 2, a main pipe 5 connected to the front of the delivery pump 4, two pipes connected to the surface of the main pipe 5, the left pipe connected to the inside of the constant pressure tank 2, and the right pipe connected to a vacuum degassing tank 3. A water storage tank 8 is connected to the right side of the vacuum degassing tank 3 via a water pump 7. A regulating valve 6 is movably installed on the surface of the main pipe 5, and the top right side of the water storage tank 8... A water inlet pipe 10 is connected to the water storage tank 8. Support frames 14 are installed on both sides of the inner cavity of the water storage tank 8. Fixing seats 15 are fixedly installed on both the front and rear sides of the inner cavity of the support frame 14. A positioning bracket 17 is slidably installed on the outside of the fixing seat 15. A support spring 16 is installed between the inner side of the positioning bracket 17 and the fixing seat 15. A locking block 19 is installed at the other end of the positioning bracket 17 through a positioning block 18. A filter screen plate 20 is installed on the upper end of the locking block 19. A primary filter plate 21 is installed on both sides of the top of the filter screen plate 20 through support pads.
[0025] This technical solution forms a multi-stage filtration structure by setting up a primary filter plate 21, a filter screen plate 20, and an impurity adsorption screen 24. This structure can fully filter the makeup water entering the water storage tank 8, effectively removing impurities and particulate matter from the water, improving the quality of the makeup water, and helping to ensure the normal operation of the device and extend its service life. The filter screen plate 20 is connected to the support frame 14 through structures such as a snap-fit block 19, a positioning snap-fit block 18, and a positioning clip 17. Under the action of the support spring 16, the positioning clip 17 can drive the positioning snap-fit block 18 to tightly snap-fit the snap-fit block 19, ensuring the stability of the filter screen plate 20 installation. At the same time, when it is necessary to disassemble the filter screen plate 20, simply pull the positioning clip 17 to separate the positioning snap-fit block 18 from the snap-fit block 19. The operation is simple and convenient for cleaning or replacing the filter screen plate 20 and the primary filter plate 21.
[0026] Example 2:
[0027] Based on Embodiment 1, this utility model is as follows: Figure 3 As shown, a sealing door 22 is movably installed on the back of the water storage tank 8, and a waterproof sealing ring is installed between the end of the sealing door 22 and the inner wall of the water storage tank 8; a filter frame 23 is fixedly installed at the bottom of the inner cavity of the water storage tank 8, and an impurity adsorption net 24 is snapped into the inside of the filter frame 23, and the impurity adsorption net 24 is located below the filter screen plate 20.
[0028] Adopting such Figure 1The technical solution shown features a sealing door 22 that is movably installed on the back of the water storage tank 8, along with a waterproof sealing ring at the end. This provides a convenient operating channel for the daily maintenance and replacement of the internal filter components, while also ensuring the sealing performance of the water storage tank 8 through the waterproof sealing ring, effectively preventing water leakage and ensuring the stability of the device's operation. The filter frame 23 located below the inner cavity of the water storage tank 8, along with the snap-fit impurity adsorption net 24, not only purifies the water that has undergone preliminary filtration but also further adsorbs residual fine impurities in the water, improving the quality of the replenished water.
[0029] Secondly, in the technical solution, a sealing cover 9 is installed on the top of the water storage tank 8, and a sealing gasket is installed at the bottom of the sealing cover 9 in close contact with the inner wall of the water storage tank 8; a positioning bracket 13 is installed on the top right side of the water storage tank 8 by bolts, and the upper end of the positioning bracket 13 is sleeved on the surface of one end of the water inlet pipe 10.
[0030] Its adoption is as follows Figure 1 The technical solution shown has a sealing cover 9 installed on top of the water storage tank 8 and a sealing gasket at its bottom. The sealing gasket fits tightly against the inner wall of the water storage tank 8, which significantly enhances the overall sealing performance of the water storage tank 8. This effectively prevents external dust, impurities, and other contaminants from entering the water storage tank 8 and polluting the water. At the same time, it prevents water vapor from leaking out of the water storage tank 8, ensuring the cleanliness and stability of the internal environment of the water storage tank 8 and providing good sealing conditions for water filtration.
[0031] Example 3:
[0032] This utility model is as follows Figures 1-5 As shown, a drain pipe 11 is connected to the back of the vacuum degassing tank 3, and a control valve 12 is movably installed on one end of the drain pipe 11; positioning clips are embedded in the inner walls on both sides of the lower end of the inner cavity of the water storage tank 8, and the snap-fit end of the positioning clip is connected to the positioning protrusion on the outside of the filter frame 23; the snap-fit end of the positioning clip 18 is designed in a wedge shape, and the lower side of the positioning clip 18 is firmly attached to the end of the snap-fit block 19.
[0033] Using the above technical solution, the positioning clips embedded in the inner walls of both sides of the lower end of the inner cavity of the water storage tank 8 are connected to the external positioning protrusions of the filter frame 23, which can form a stable limiting and fixing of the filter frame 23. This connection method not only ensures the firmness of the filter frame 23 installed in the water storage tank 8, preventing it from shifting or shaking when impacted by water flow or vibrating during device operation, thus ensuring the stability of the filtration position of the impurity adsorption net 24, but also facilitates the quick disassembly and assembly of the filter frame 23, providing convenience for the replacement and cleaning of the impurity adsorption net 24.
[0034] The wedge-shaped design of the positioning block 18 makes it fit more tightly and firmly with the end of the locking block 19, which can effectively enhance the stability of the locking between the two, thereby ensuring that the filter screen 20 is installed in the water storage tank 8 with accurate and stable position, and preventing the filter screen 20 from loosening or shifting under the action of water flow. At the same time, the wedge-shaped design also makes the separation operation of the positioning block 18 and the locking block 19 easier and more convenient.
[0035] The working principle of this utility model is as follows: Water enters the water storage tank 8 through the water inlet pipe 10. In the water storage tank 8, the water first passes through the primary filter plate 21 for preliminary filtration to remove larger particles of impurities. Then it flows through the filter screen plate 20 to further filter the fine impurities in the water. Subsequently, the water that has been filtered through two layers flows down through the impurity adsorption screen 24, where even finer impurities remaining in the water are adsorbed, thus completing the water purification.
[0036] The purified water is transported to the vacuum degassing tank 3 by the water pump 7. The vacuum degassing tank 3 removes the gas in the water to prevent cavitation and pipeline corrosion caused by the gas in the system. The degassed water enters the main pipeline 5. The control valve 6 on the main pipeline 5 can adjust the pressure and flow of the water according to the system requirements. Then, the water flows into the pressure stabilizing tank 2 by the delivery pump 4. The pressure stabilizing tank 2 maintains the pressure stability of the entire water circulation system to ensure that the system will not be affected by pressure fluctuations and will not be affected by pressure fluctuations.
[0037] Open the sealed door 22, and the internal filtration structure of the water storage tank 8 will be exposed. Next, remove the primary filter plate 21 from the filter screen plate 20, and then remove the locking blocks 19 at the bottom of both ends of the filter screen plate 20 from between the two positioning blocks 18 to release the limit. For the impurity adsorption net 24 at the bottom of the inner cavity of the water storage tank 8, simply lift the filter frame 23 upward to separate the positioning protrusions on its outside from the positioning clips embedded in the inner wall of the water storage tank 8, and then the impurity adsorption net 24 can be taken out together with the filter frame 23.
[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model, although the utility model has been described in detail with reference to preferred embodiments. Those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the essence and scope of the technical solutions of this utility model.
Claims
1. A constant pressure water replenishment vacuum degassing device, comprising a base (1), characterized in that: A pressure tank (2) is installed on the left side of the top of the base (1). A delivery pump (4) is fixedly installed on the right side of the pressure tank (2). A main pipe (5) is connected to the front of the delivery pump (4). Two pipes are connected to the surface of the main pipe (5). The left pipe is connected to the inside of the pressure tank (2), and the right pipe is connected to a vacuum degassing tank (3). A water storage tank (8) is connected to the right side of the vacuum degassing tank (3) via a water pump (7). A control valve (6) is movably installed on the surface of the main pipe (5). A water inlet pipe (10) is connected to the top right side of the water storage tank (8). (8) Support frames (14) are installed on both sides of the inner cavity. Fixing seats (15) are fixedly installed on both the front and rear sides of the inner cavity of the support frame (14). A positioning bracket (17) is slidably installed on the outside of the fixing seat (15). A support spring (16) is installed between the inner side of the positioning bracket (17) and the fixing seat (15). A snap-fit block (19) is snapped onto the other end of the positioning bracket (17) through a positioning block (18). A filter screen plate (20) is installed on the upper end of the snap-fit block (19). A primary filter plate (21) is installed on both sides of the top of the filter screen plate (20) through a support pad.
2. The constant pressure water replenishment vacuum degassing device according to claim 1, characterized in that: A sealing door (22) is movably installed on the back of the water storage tank (8), and a waterproof sealing ring is installed between the end of the sealing door (22) and the inner wall of the water storage tank (8).
3. The constant pressure water replenishment vacuum degassing device according to claim 1, characterized in that: A filter frame (23) is fixedly installed at the bottom of the inner cavity of the water storage tank (8). An impurity adsorption net (24) is snapped into the inside of the filter frame (23). The impurity adsorption net (24) is located below the filter screen plate (20).
4. The constant pressure water replenishment vacuum degassing device according to claim 1, characterized in that: A sealing cover (9) is installed on the top of the water storage tank (8), and a sealing gasket is installed on the bottom of the sealing cover (9) by fitting it against the inner wall of the water storage tank (8).
5. The constant pressure water replenishment vacuum degassing device according to claim 1, characterized in that: A positioning bracket (13) is bolted to the top right side of the water storage tank (8), and the upper end of the positioning bracket (13) is sleeved on the surface of one end of the water inlet pipe (10).
6. The constant pressure water replenishment vacuum degassing device according to claim 1, characterized in that: The back of the vacuum degassing tank (3) is connected to a drain pipe (11), and a control valve (12) is movably installed on one end of the drain pipe (11).
7. The constant pressure water replenishment vacuum degassing device according to claim 1, characterized in that: Positioning clips are embedded in the inner walls on both sides of the lower end of the water storage tank (8), and the snap-fit ends of the positioning clips are connected to the positioning protrusions on the outside of the filter frame (23).
8. The constant pressure water replenishment vacuum degassing device according to claim 1, characterized in that: The positioning block (18) has a wedge-shaped locking end, and the lower side of the positioning block (18) is firmly attached to the end of the locking block (19).