Pollution discharging and water discharging device for air conditioner water pipe stand pipe
By combining the auxiliary drain pipe with the main drain pipe, the conical main pipe design, and the combination of a detachable sludge collection basket and a pressure relief pipe, the problem of low drainage efficiency of air conditioning water pipe risers is solved, achieving efficient and smooth drainage.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI YIJIAN INSTALLATION ENG CO LTD
- Filing Date
- 2025-05-30
- Publication Date
- 2026-04-21
AI Technical Summary
The existing air conditioning water pipe riser has an unreasonable drain valve diameter design, resulting in low drainage efficiency and easy blockage, making it difficult to effectively remove impurities.
The auxiliary sewage pipe works in conjunction with the main sewage pipe, combined with the conical main pipe and inclined design to achieve bidirectional sewage discharge. It is also equipped with a detachable sewage collection basket and pressure relief pipe to automatically regulate water pressure and prevent blockage.
It significantly improves the speed and efficiency of sewage discharge, reduces the possibility of sediment accumulation and blockage, ensures a smooth and efficient sewage discharge process, and extends the service life of the equipment.
Smart Images
Figure CN224150456U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of air conditioning risers, and in particular to a sewage discharge device for air conditioning water risers. Background Technology
[0002] In systems such as central air conditioning and industrial circulating water systems, the drainage and discharge of air conditioning water risers are crucial for ensuring stable system operation. Air conditioning water risers require drainage, typically achieved by installing a drain valve at the end of the riser. This valve serves both as a drain for the pipes and as a flushing valve for the system. Currently, the common installation method for air conditioning water risers involves welding a blind flange to the end of the riser to seal the pipe opening, then drilling a hole in the center of the blind flange and installing the drain valve. However, the size of the drain valve is not clearly defined, and regardless of the riser size, a DN25 valve is often used during construction. This results in slow drainage and makes the drainage pipes prone to blockage by impurities.
[0003] Regarding the aforementioned technologies, since DN25 drain valves are commonly used in construction regardless of the diameter of the riser, the valve diameter is much smaller than the riser diameter, resulting in a sharp reduction in the water flow cross-sectional area, which leads to low drainage efficiency and easy blockage, making it difficult for impurities in the pipe to be effectively discharged with the water flow. Utility Model Content
[0004] In view of the shortcomings of the existing technology, one of the objectives of this utility model is to provide a sewage discharge device for air conditioning water pipe risers.
[0005] This application provides a sewage discharge device for air conditioning water pipe risers, which adopts the following technical solution:
[0006] A sewage discharge device for an air conditioning water pipe riser includes a main pipe, a sewage collection pipe, a sewage discharge valve, a main sewage discharge pipe, and an auxiliary sewage discharge pipe. The top end of the main pipe is connected to the air conditioning water pipe riser, the sewage collection pipe is connected to the bottom end of the main pipe, one end of the sewage discharge valve is connected to the bottom end of the sewage collection pipe, the other end of the sewage discharge valve is connected to the main sewage discharge pipe, and the auxiliary sewage discharge pipe is connected to the outer periphery of the sewage collection pipe.
[0007] By adopting the above technical solution, the auxiliary sewage pipe works in coordination with the main sewage pipe, overcoming the limitations of traditional single-outlet unidirectional drainage. During sewage discharge, water and sediment can be discharged simultaneously from different outlets, avoiding the slow drainage problem caused by concentrated flow at a single outlet, significantly improving the sewage discharge speed, and enabling impurities in the pipe to be discharged more quickly and thoroughly. At the same time, the bidirectional sewage discharge design effectively reduces the accumulation of sediment in the collection pipe, lowering the possibility of blockage during sewage discharge and ensuring a smooth and efficient sewage discharge process.
[0008] Preferably, the main tube adopts a tapered design, and the diameter of the end of the main tube connected to the sewage collection pipe is smaller than the diameter of the other end.
[0009] By adopting the above technical solution, the tapered main pipe utilizes the gradual change in pipe diameter to make it easier for impurities in the water to settle into the collection pipe due to gravity, thus avoiding the retention of impurities in the main pipe. During sewage discharge, the tapered main pipe can accelerate the sliding of sediments to the bottom of the collection pipe, further improving the efficiency of impurity discharge and reducing the frequency of manual cleaning.
[0010] Preferably, the top end of the main pipe is detachably connected to the air conditioning water pipe riser.
[0011] By adopting the above technical solution, flange connection eliminates the need for pipe cutting or welding. During maintenance, the main pipe can be quickly disassembled simply by loosening the bolts, avoiding the drawbacks of traditional fixed connection that require damage to the pipe structure, thus significantly shortening maintenance time and reducing labor costs.
[0012] Preferably, the auxiliary sewage pipe is installed at an angle of 30° to 60°.
[0013] By adopting the above technical solution, the auxiliary sewage pipe is set at an angle of 30° to 60°, which allows the auxiliary sewage pipe to more effectively share the sediment in the collection pipe, avoids impurities from accumulating at the connection between the main sewage pipe and the auxiliary sewage pipe, and promotes the smooth movement of sediment in the collection pipe along the pipe wall towards the sewage outlet, reducing the flow resistance caused by pipe bends, thereby further improving sewage discharge efficiency.
[0014] Preferably, the auxiliary sewage pipe and the sewage collection pipe are manufactured as a single piece.
[0015] By adopting the above technical solutions, the one-piece molding process eliminates the hidden dangers caused by welds in the welded structure, avoids the risk of welds breaking under high pressure and the impact of sediment, and significantly enhances the sealing performance and pressure bearing capacity of the sewage discharge device.
[0016] Preferably, the auxiliary sewage pipe and the sewage collection pipe are integrally cast from stainless steel.
[0017] By adopting the above technical solutions, stainless steel possesses excellent corrosion resistance, effectively resisting the erosion of sediment in air conditioning water and preventing problems such as inner wall peeling and impurity accumulation caused by pipe corrosion, thus ensuring the long-term unobstructed flow of sewage channels. Simultaneously, the high strength and toughness of stainless steel ensure the stable operation of the sewage discharge device under high-pressure conditions; the pipe wall is less prone to deformation or fatigue cracks due to long-term pressure, extending the service life of the equipment.
[0018] Preferably, the auxiliary sewage pipe is provided with a detachable sludge collection basket, the sludge collection basket is provided with several guide holes, and the sludge collection basket is installed in the auxiliary sewage pipe at an inclined position.
[0019] By adopting the above technical solution, the inclined installation posture of the sludge collection basket matches the inclination angle of the auxiliary sewage pipe. Large particles of impurities naturally slide into the sludge collection basket due to their own gravity, preventing them from clogging the main sewage pipe. The guide holes on the sludge collection basket allow water flow and fine impurities to pass through, forming a staged sewage discharge effect, which ensures sewage discharge efficiency and prevents pipe blockage. The detachable design allows the sludge collection basket to be quickly removed without tools, facilitating regular cleaning of the intercepted impurities and avoiding the tedious operation of manually unclogging the auxiliary sewage pipe.
[0020] Preferably, a pressure relief pipe is provided on the outer periphery of the sewage collection pipe. The pressure relief pipe is positioned lower than the auxiliary sewage discharge pipe. A spring-loaded safety valve is installed on the pressure relief pipe. One end of the pressure relief pipe is connected to the sewage collection pipe, and the other end is connected to an external safety drainage point.
[0021] By adopting the above technical solution, the pressure relief pipe and spring-loaded safety valve achieve automatic opening and closing through the dynamic balance between the elastic potential energy of the spring and the fluid pressure. The pressure relief pipe is positioned lower than the auxiliary drain pipe, utilizing gravity to assist the rapid flow of fluid. When the drain valve becomes clogged, causing an abnormal increase in water pressure within the pipe, and the pressure exceeds the spring preload, the spring-loaded safety valve automatically opens, allowing high-pressure fluid containing fine particles to be discharged from the pressure relief pipe, preventing the drain valve from failing or being damaged due to overload pressure.
[0022] In summary, this application includes at least one of the following beneficial technical effects:
[0023] 1. The auxiliary sewage pipe works in conjunction with the main sewage pipe, overcoming the limitations of traditional single-outlet unidirectional drainage. During sewage discharge, water and sediment can be discharged simultaneously from different outlets, avoiding the slow drainage problem caused by concentrated flow at a single outlet. This significantly improves the sewage discharge speed, allowing impurities in the pipe to be discharged more quickly and thoroughly. Simultaneously, the bidirectional sewage discharge design effectively reduces the accumulation of sediment in the collection pipe, lowering the possibility of blockages during sewage discharge and ensuring a smooth and efficient process.
[0024] 2. The tapered main pipe utilizes the gradual change in pipe diameter to make it easier for impurities in the water to settle into the collection pipe due to gravity, thus preventing impurities from remaining in the main pipe. During sewage discharge, the tapered main pipe can accelerate the sliding of sediment to the bottom of the collection pipe, further improving the efficiency of impurity discharge and reducing the frequency of manual cleaning.
[0025] 3. The pressure relief pipe and spring-loaded safety valve achieve automatic opening and closing through the dynamic balance between the elastic potential energy of the spring and the fluid pressure. The pressure relief pipe is positioned lower than the auxiliary drain pipe, utilizing gravity to assist the rapid flow of fluid. When the drain valve becomes clogged, causing an abnormal increase in water pressure within the pipe, and the pressure exceeds the spring preload, the spring-loaded safety valve automatically opens, allowing high-pressure fluid containing fine particles to be discharged from the pressure relief pipe, preventing the drain valve from failing or being damaged due to overload pressure. Attached Figure Description
[0026] Figure 1 This is an isometric view of the overall structure of Embodiment 1 of this application;
[0027] Figure 2 This is a front view of the overall structure of Embodiment 1 of this application;
[0028] Figure 3 This is a front view of the overall structure of Embodiment 2 of this application;
[0029] Figure 4 This is a cross-sectional view of the overall structure of Embodiment 2 of this application;
[0030] Figure 5 This is a schematic diagram of the sludge collection basket structure in Embodiment 2 of this application.
[0031] Attached reference numerals: 1. Main pipe; 2. Sewage collection pipe; 3. Sewage discharge valve; 4. Main sewage discharge pipe; 5. Auxiliary sewage discharge pipe; 6. Sewage collection basket; 7. Guide hole; 8. Pressure relief pipe; 9. Spring-loaded safety valve. Detailed Implementation
[0032] The following is in conjunction with the appendix Figure 1 -Appendix Figure 3 This application will be described in further detail.
[0033] This application discloses a sewage discharge device for air conditioning water pipe risers.
[0034] Example 1:
[0035] Reference Figure 1 and Figure 2 A sewage discharge device for air conditioning water pipe risers includes a main pipe 1, a sewage collection pipe 2, a sewage discharge valve 3, and a main sewage discharge pipe 4. The top end of the main pipe 1 is connected to the air conditioning water pipe riser, the sewage collection pipe 2 is connected to the bottom end of the main pipe 1, one end of the sewage discharge valve 3 is connected to the bottom end of the sewage collection pipe 2, and the other end of the sewage discharge valve is connected to the main sewage discharge pipe 4. During air conditioning operation, impurities in the air conditioning water pipe riser settle into the sewage collection pipe 2 through the main pipe 1. When discharging sewage, the air conditioning unit is turned off to ensure that there is no water flowing in the pipe. The sewage discharge valve 3 is opened to discharge the water and sediment in the sewage collection pipe 2 from the main sewage discharge pipe 4. After discharge, the sewage collection pipe 2 is flushed with a high-pressure water gun.
[0036] Specifically, the main pipe 1 adopts a tapered design, and the diameter of the end of the main pipe 1 that connects to the sludge collection pipe 2 is smaller than the diameter of the other end. The top of the main pipe 1 is detachably connected to the air conditioning water riser via a flange. The tapered design facilitates the sedimentation of impurities into the sludge collection pipe 2, and the detachable connection eliminates the need to cut the pipe during maintenance, reducing maintenance costs.
[0037] An auxiliary sewage pipe 5 is provided on the outer periphery of the sewage collection pipe 2. The auxiliary sewage pipe 5 is installed in an inclined position with an inclination angle of 30° to 60°. In this embodiment, the inclination angle is 45°. The inclined auxiliary sewage pipe 5 can share the sediment in the sewage collection pipe 2 and can form a bidirectional sewage discharge with the main sewage pipe 4 when discharging sewage. This avoids the problem of slow drainage of traditional single sewage outlets and significantly improves sewage discharge efficiency compared to single outlets.
[0038] Preferably, the auxiliary drain pipe 5 and the collection pipe 2 are manufactured as a single piece. This integrated design eliminates the risk of breakage under high pressure and sediment impact in traditional welded structures, resulting in better sealing and pressure resistance. Furthermore, the auxiliary drain pipe 5 and the collection pipe 2 are integrally cast from stainless steel, giving the overall structure excellent impact resistance and corrosion resistance.
[0039] The implementation principle of Embodiment 1 of this application is as follows:
[0040] When the air conditioning system is running, the circulating water in the air conditioning water pipe riser carries impurities into the conical main pipe 1. Because the main pipe 1 adopts a conical structure design that is larger at the top and smaller at the bottom, the impurities in the water are deposited in the bottom dirt collection pipe 2 under the action of gravity.
[0041] When draining sewage, turn off the air conditioning unit to prevent water from flowing in the pipes, open the drain valve 3, and drain the water and sediment in the collection pipe 2 through the main drain pipe 4 and the inclined auxiliary drain pipe 5 in both directions. After draining, close the drain valve 3. After draining, the operator can use a high-pressure water gun to rinse the inner wall of the collection pipe 2 to remove residual impurities.
[0042] Example 2:
[0043] The difference between this embodiment and Embodiment 1 is that, referring to... Figure 3 , Figure 4 and Figure 5The auxiliary sewage pipe 5 is equipped with a removable sludge collection basket 6, which has several guide holes 7. The sludge collection basket 6 is installed in the auxiliary sewage pipe 5 at an angle. The removable sludge collection basket 6 effectively intercepts impurities and protects the valve, preventing large particles of sediment from clogging the sewage valve. When discharging sewage, the air conditioning unit is turned off to ensure that there is no water flowing in the pipe. The operator opens the sewage valve 3 to discharge water and fine sediment from the main sewage pipe 4. At the same time, the operator uses the auxiliary sewage pipe 5 to achieve bidirectional sewage discharge. After the sewage is discharged, the operator removes the sludge collection basket 6, pours out the large particles of impurities and sediment, and then uses a high-pressure water gun to rinse the sludge collection pipe 2, effectively improving the cleaning efficiency of the sewage discharge equipment.
[0044] Preferably, refer to Figure 3 and Figure 4 A pressure relief pipe 8 is provided on the outer periphery of the sewage collection pipe 2. The pressure relief pipe 8 is positioned lower than the auxiliary sewage discharge pipe 5. A spring-loaded safety valve 9 is installed on the pressure relief pipe 8. One end of the pressure relief pipe 8 is connected to the sewage collection pipe 2, and the other end is connected to an external safety drainage point. When the sewage discharge valve becomes blocked, causing the water pressure to rise and exceed the elastic potential energy of the spring-loaded safety valve 9, the spring of the spring-loaded safety valve 9 is compressed. The high-pressure fluid containing fine particles is preferentially discharged from the pressure relief pipe 8, preventing the sewage discharge valve 3 from failing due to excessive water pressure.
[0045] The implementation principle of Embodiment 2 of this application is as follows:
[0046] When the air conditioning system is running, the circulating water in the air conditioning water riser carries impurities into the conical main pipe 1, causing the impurities in the water to settle towards the bottom of the sludge collection pipe 2 under the action of gravity. At this time, large particles of impurities are intercepted by the sludge collection basket 6, while fine particles continue to settle downwards with the water flow to the bottom of the sludge collection pipe 2.
[0047] During sewage discharge, the operator first shuts off the air conditioning unit to stop water flow, then opens the drain valve 3 and the auxiliary drain pipe 5. High-concentration sewage and fine sediment at the bottom of the collection pipe 2 are quickly discharged through the main drain pipe 4, while the auxiliary drain pipe 5 accelerates the discharge of upper-level sewage. Simultaneously, large particles intercepted by the collection basket 6 can be directly dumped by disassembling the basket, avoiding valve blockage.
[0048] When the drain valve 3 becomes clogged, causing excessive system pressure, the spring-loaded safety valve 9 automatically opens to release pressure, and the high-pressure fluid containing fine particles is guided to the safe drainage point through the pressure relief pipe 8. After the drainage is completed, the operator uses a high-pressure water gun to flush the chamber of the sewage collection pipe 2 and the auxiliary drain pipe 5.
[0049] The above are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.
Claims
1. A blowdown drain device for an air conditioning water pipe riser, characterized by, It includes a main pipe (1), a sewage collection pipe (2), a sewage discharge valve (3), a main sewage discharge pipe (4), and an auxiliary sewage discharge pipe (5). The top end of the main pipe (1) is connected to the air conditioning water pipe riser. The sewage collection pipe (2) is connected to the bottom end of the main pipe (1). One end of the sewage discharge valve (3) is connected to the bottom end of the sewage collection pipe (2), and the other end of the sewage discharge valve (3) is connected to the main sewage discharge pipe (4). The auxiliary sewage discharge pipe (5) is connected to the outer periphery of the sewage collection pipe (2).
2. The device according to claim 1, wherein The main tube (1) adopts a tapered design, and the diameter of the end of the main tube (1) connected to the sewage collection tube (2) is smaller than the diameter of the other end.
3. The device according to claim 1, wherein the device is characterized by: The top of the main pipe (1) is detachably connected to the air conditioning water pipe riser.
4. The device according to claim 1, wherein the device is characterized by: The auxiliary sewage pipe (5) is installed at an angle of 30° to 60°.
5. The device according to claim 1, wherein the device is characterized by: The auxiliary sewage pipe (5) and the sewage collection pipe (2) are manufactured as a single piece.
6. The device according to claim 1, wherein The auxiliary sewage pipe (5) and the sewage collection pipe (2) are integrally cast from stainless steel.
7. The device according to claim 4, wherein the device is characterized by: The auxiliary sewage pipe (5) is provided with a detachable sludge collection basket (6), and the sludge collection basket (6) is provided with several guide holes (7). The sludge collection basket (6) is installed in the auxiliary sewage pipe (5) in an inclined position.
8. The device according to claim 1, wherein The outer periphery of the sewage collection pipe (2) is provided with a pressure relief pipe (8). The position of the pressure relief pipe (8) is lower than that of the auxiliary sewage pipe (5). A spring-loaded safety valve (9) is installed on the pressure relief pipe (8). One end of the pressure relief pipe (8) is connected to the sewage collection pipe (2), and the other end is connected to an external safety drainage point.