CN219091203U - Floating adjustable water outlet device suitable for sewage regulating tank - Google Patents

Floating adjustable water outlet device suitable for sewage regulating tank Download PDF

Info

Publication number
CN219091203U
CN219091203U CN202223211671.1U CN202223211671U CN219091203U CN 219091203 U CN219091203 U CN 219091203U CN 202223211671 U CN202223211671 U CN 202223211671U CN 219091203 U CN219091203 U CN 219091203U
Authority
CN
China
Prior art keywords
water outlet
adjusting
outlet pipe
floating
fixed sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202223211671.1U
Other languages
Chinese (zh)
Inventor
李瑞兴
高靖伟
侯锋
刘剑
邵雪峰
李涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SDIC Xinkai Water Environment Investment Co Ltd
Original Assignee
SDIC Xinkai Water Environment Investment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SDIC Xinkai Water Environment Investment Co Ltd filed Critical SDIC Xinkai Water Environment Investment Co Ltd
Priority to CN202223211671.1U priority Critical patent/CN219091203U/en
Application granted granted Critical
Publication of CN219091203U publication Critical patent/CN219091203U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model provides a floating adjustable water outlet device suitable for a sewage regulating tank, which is characterized by being arranged in the regulating tank and comprising a floating device, a fixed bracket, a fixed sleeve, a regulating device, a rigid connecting rod and a water outlet pipe assembly; the fixed support, the fixed sleeve and the adjusting device are all positioned above the water surface, and the floating device floats on the water surface; the floating device is connected with one end of the fixed support, the other end of the fixed support is connected with the fixed sleeve, and the fixed sleeve is movably sleeved on the outer side of the adjusting device; the lower end of the adjusting device is fixedly connected with one end of the rigid connecting rod, the other end of the rigid connecting rod is fixedly connected with the water outlet pipe assembly, and the submerged depth of the water outlet pipe assembly can be adjusted by adjusting the relative position of the adjusting device and the fixed sleeve, so that the water outlet flow is adjusted. The utility model replaces the traditional adjusting mode of adjusting the pump or adjusting the opening of the water outlet valve, and has the advantages of energy saving, convenient operation, stable water outlet and small maintenance and overhaul workload.

Description

Floating adjustable water outlet device suitable for sewage regulating tank
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a floating adjustable water outlet device suitable for a sewage regulating tank, which is suitable for water outlet regulation of a water inlet regulating tank of a sewage treatment plant.
Background
For sewage treatment plants with larger fluctuation of water inflow or water quality, an adjusting tank is generally required to be arranged for adjusting treatment so as to prevent the impact of hydraulic load or pollutant load on a subsequent biological treatment system from influencing the normal operation and the stability of the sewage treatment system to reach the standard. The regulating tank regulates the water quantity through a certain effective volume, so that the water outlet quantity can be ensured to be stable; under the working condition of larger water inflow, the water level of the regulating tank continuously rises, excessive peak sewage is stored in the regulating tank, and under the engineering of smaller water inflow, the water level in the regulating tank continuously falls, so that a certain water yield is maintained.
In order to keep the water yield stable, the regulating tank is generally provided with a regulating pump or a water outlet valve with an adjustable opening. The adjusting tank of the common sewage plant is arranged behind the sand setting tank, the front-end water inflow needs to be lifted, the water outflow of the adjusting tank is lifted again, the number of lifting pumps and the energy consumption of the sewage plant are increased, and the flow also fluctuates in a certain range along with the lifting of the water level and the change of the lift of the adjusting pump. The stable water yield is ensured by adjusting the opening of the water outlet valve, the requirement on an automatic control system is high or the operation is inconvenient, a certain water head is wasted when the opening of the valve is smaller, and the whole energy consumption of the system can be increased.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a floating adjustable water outlet device suitable for a sewage regulating tank.
The floating adjustable water outlet device suitable for the sewage regulating tank is arranged in the regulating tank and comprises a floating device, a fixed support, a fixed sleeve, a regulating device, a rigid connecting rod and a water outlet pipe assembly;
the fixed support, the fixed sleeve and the adjusting device are all positioned above the water surface, and the floating device floats on the water surface;
the floating device is connected with one end of the fixed support, the other end of the fixed support is connected with the fixed sleeve, and the fixed sleeve is movably sleeved on the outer side of the adjusting device;
the lower end of the adjusting device is fixedly connected with one end of the rigid connecting rod, the other end of the rigid connecting rod is fixedly connected with the water outlet pipe assembly, and the submerged depth of the water outlet pipe assembly can be adjusted by adjusting the relative position of the adjusting device and the fixed sleeve, so that the water outlet flow is adjusted.
Preferably, the floating device comprises an annular pontoon and a cylindrical diversion baffle, and the annular pontoon is fixedly arranged outside the diversion baffle;
the inner side of the flow guide baffle is connected with one end of the fixed support.
Preferably, the outer edge of the lower end of the flow guide baffle is provided with a flow guide horn mouth.
Preferably, a limiting check ring is arranged on the outer side of the upper end of the adjusting device, and the outer diameter of the limiting check ring is larger than that of the fixed sleeve.
Preferably, the adjusting device comprises an adjusting short pipe and an adjusting bolt, and the adjusting short pipe is arranged inside the fixed sleeve;
the outside of adjusting short pipe is provided with a plurality of screw holes that match with adjusting bolt along length direction, when adjusting short pipe is adjusted to preset position for fixed sleeve, adjusting bolt passes fixed sleeve and inserts in corresponding screw hole.
Preferably, the outer side of the adjusting short pipe is marked with scale marks, and when the lowest position of the scale marks is level with the top of the fixed sleeve, the water outlet pipe assembly is level with the water surface.
Preferably, the water outlet pipe assembly comprises a water outlet pipe orifice, a water outlet hose and a water outlet pipe, wherein the water outlet pipe orifice is communicated with the upper end of the water outlet hose, and the water outlet pipe is communicated with the lower end of the water outlet hose;
the other end of the rigid connecting rod is fixedly arranged in the water outlet pipe orifice.
Preferably, a valve is arranged between the water outlet hose and the water outlet pipe.
Preferably, the pipe diameter of the water outlet pipe is larger than the pipe diameter of the water outlet hose.
Preferably, the fixing brackets are multiple, and the fixing brackets are uniformly arranged on the fixing sleeve in the circumferential direction.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model adopts the technical means that the relative position of the adjusting device and the fixed sleeve can be adjusted to realize floating adjustable water outlet, replaces the traditional adjusting mode of adjusting the pump or the opening of the water outlet valve, and has the advantages of energy saving, convenient operation, stable water outlet and small maintenance and overhaul workload.
2. The utility model adopts the technical means that the annular pontoon can freely change along with the liquid level under the buoyancy effect, and can keep the submerged depth of the water outlet pipe orifice to be certain, thereby ensuring the stable flow.
3. The utility model adopts the technical means that the outer side of the adjusting short pipe is marked with scale marks, and the submerged depth of the water outlet pipe assembly can be adjusted by adjusting the relative position of the adjusting short pipe by the same amount.
4. The utility model adopts the technical means that the annular pontoon is internally provided with the diversion baffle plate and the diversion horn mouth, thereby preventing floaters in the adjusting tank from entering the water outlet pipe and stabilizing water flow.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic plan view of the upper portion of the present utility model;
fig. 3 is a schematic plan view of the lower part of the present utility model.
The figure shows:
annular pontoon 1 diversion horn mouth 8
Rigid connecting rod 9 of flow guide baffle 2
The water outlet pipe orifice 10 of the fixed bracket 3
Water outlet hose 11 of fixed sleeve 4
Valve 12 of adjusting short pipe 5
Water outlet pipe 13 of limit retainer ring 6
Adjusting tank 14 for adjusting bolt 7
Detailed Description
The present utility model will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present utility model, but are not intended to limit the utility model in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present utility model.
The utility model discloses a floating adjustable water outlet device suitable for a sewage regulating tank, which realizes floating adjustable water outlet, replaces the traditional regulating pump or the regulating mode of regulating the opening of a water outlet valve, and has the advantages of energy conservation, convenient operation, stable water outlet and small maintenance and overhaul workload.
The floating adjustable water outlet device suitable for the sewage regulating tank is arranged in the regulating tank 14 and comprises a floating device, a fixed bracket 3, a fixed sleeve 4, a regulating device, a rigid connecting rod 9 and a water outlet pipe assembly, as shown in figures 1-3; the fixed bracket 3, the fixed sleeve 4 and the adjusting device are all positioned above the water surface, so that the relative positions of the adjusting device and the fixed sleeve 4 can be conveniently adjusted, and the floating device floats on the water surface; preferably, the number of the fixing brackets 3 is plural, and the plurality of fixing brackets 3 are uniformly arranged on the fixing sleeve 4 along the circumferential direction.
The floating device is connected with one end of the fixed support 3, the other end of the fixed support 3 is connected with the fixed sleeve 4, and the fixed sleeve 4 is movably sleeved on the outer side of the adjusting device; the lower end of the adjusting device is fixedly connected with one end of the rigid connecting rod 9, the other end of the rigid connecting rod 9 is fixedly connected with the water outlet pipe assembly, and the submerged depth of the water outlet pipe assembly can be adjusted by adjusting the relative position of the adjusting device and the fixed sleeve 4, so that the water outlet flow is adjusted. The floating adjustable water outlet device changes along with the change of the water level, and can keep the submerging depth of the water outlet pipe orifice 10 constant, thereby keeping the water outlet stable.
And a limiting check ring 6 is arranged on the outer side of the upper end of the adjusting device, and the outer diameter of the limiting check ring 6 is larger than the outer diameter of the fixed sleeve 4. The adjusting device comprises an adjusting short pipe 5 and an adjusting bolt 7, and the adjusting short pipe 5 is arranged inside the fixed sleeve 4; the outside of adjusting short pipe 5 is provided with a plurality of screw holes that match with adjusting bolt 7 along length direction, when adjusting short pipe 5 is for fixed sleeve 4 adjusts the position of predetermineeing, adjusting bolt 7 pass fixed sleeve 4 and insert corresponding screw hole in, conveniently adjusts water outlet 10 submergence degree of depth. Preferably, the outer side of the adjusting short pipe 5 is marked with graduation marks, when the lowest position of the graduation marks is level with the top of the fixed sleeve 4, the water outlet pipe assembly is level with the water surface, so that the submerged depth of the water outlet pipe orifice 10 can be adjusted by adjusting the relative position of the adjusting short pipe 5 by the same amount.
As shown in fig. 2, the floating device comprises an annular pontoon 1 and a cylindrical diversion baffle 2, wherein the annular pontoon 1 is fixedly arranged outside the diversion baffle 2; the inner side of the flow guide baffle plate 2 is connected with one end of the fixed support 3. Under the action of the annular pontoon 1, the floating adjustable quantitative water outlet device can freely float up and down along with the water level of the regulating tank 14, and keeps the submerged depth of the water outlet pipe orifice 10 constant, thereby adapting to the water level of the regulating tank, keeping the water outlet stable, and having the characteristics of energy saving, stable water outlet and convenient operation. The baffle plate 2 can prevent floating objects such as scum on the surface of the regulating tank 14 from entering the water outlet pipe orifice 10 and the water outlet hose 11, thereby leading to the risk of blockage. The outer edge of the lower end of the flow guide baffle plate 2 is provided with a flow guide horn mouth 8. The water flow cross section of the inlet water can be increased by the diversion horn mouth 8, and a good hydraulic streamline is created, so that the stability of the floating adjustable water outlet device is ensured.
As shown in fig. 3, the water outlet pipe assembly comprises a water outlet pipe orifice 10, a water outlet hose 11 and a water outlet pipe 13, wherein the water outlet pipe orifice 10 is communicated with the upper end of the water outlet hose 11, and the water outlet pipe 13 is communicated with the lower end of the water outlet hose 11; so as to adapt to the continuously changing water level, the water in the regulating tank 14 is discharged out of the tank through the water outlet hose 11 and the water outlet pipe 13 and enters a subsequent processing unit for processing. The other end of the rigid connecting rod 9 is fixedly arranged in the water outlet pipe orifice 10. A valve 12 is arranged between the water outlet hose 11 and the water outlet pipe 13. The pipe diameter of the water outlet pipe 13 is larger than that of the water outlet hose 11. Preferably, the water outlet pipe 13 is provided with an electric valve, and the running state of the floating adjustable water outlet device is controlled by remotely controlling the opening and closing of the valve.
Example 1
The annular pontoon 1 of the embodiment adopts an inflatable air bag or a hard pontoon material, the cross section diameter of the pontoon is 200-300mm, and the pontoon has better buoyancy, thereby freely ascending or descending along with the change of the water level of the regulating tank 14. The diameter of the inner ring of the annular pontoon 1 is about 50 cm to 80cm, and an installation space is provided for the guide baffle 2, the fixed bracket 3 and the fixed sleeve 4 on the inner side. The diversion baffle 2 is made of thin-wall stainless steel plates and the like, so that dead weight is reduced as much as possible. The diameter of the upper part of the flow guide baffle plate 2 is consistent with the diameter of the inner ring of the annular pontoon 1, so that the flow guide baffle plate and the inner ring can be firmly connected. The lower part of the flow guide baffle plate 2 is externally expanded at 45 degrees, so that good water inlet conditions are provided. The submerged depth of the lower edge of the lower guide horn mouth 8 of the guide baffle plate 2 is about 30cm, so that floating matters such as scum on the surface of the regulating tank 14 can be prevented from entering the water outlet pipe orifice 10 and the water outlet hose 11, and the risk of blockage is avoided.
The upper middle part in the baffle 2 is provided with fixed bolster 3 and fixed bolster 4, and fixed bolster 3 lower extreme and baffle 2 welding, upper portion and fixed bolster 4 welding, and fixed bolster 3 are round bar material, follow baffle 2 evenly distributed, set up 4 altogether, make baffle 2 and fixed bolster 4 stable connection. The fixed sleeve 4 is positioned above the water surface, and is convenient to adjust. An adjusting short pipe 5 is arranged in the fixed sleeve 4, and the outer diameter of the adjusting short pipe 5 is slightly smaller than the inner diameter of the fixed sleeve 4, so that the relative position can be adjusted. The fixed sleeve 4 is provided with 2-3 adjusting bolts 7, and the adjusting short pipe 5 can be in a fixed state or a position-adjustable state by adjusting the adjusting bolts 7. The adjusting short pipe 5 adopts a galvanized steel pipe or a stainless steel pipe, the outer wall is provided with scale marks along the vertical direction, the distance is 1cm, and when the lowest scale mark is level with the top end of the fixed sleeve 4, the upper end of the water outlet pipe orifice 10 is level with the liquid level of the adjusting tank 14, so that the submerged depth of the water outlet pipe orifice 10 is quantitatively adjusted, and the water outlet pipe orifice 10 outflow is controlled. In order to prevent the adjustment short pipe 5 from falling into water carelessly, a limiting check ring 6 is arranged at the top end of the adjustment short pipe 5, and the diameter of the outer edge of the limiting check ring 6 is slightly larger than that of the fixed sleeve 4, so that the adjustment short pipe 5 is prevented from falling into water.
The water outlet pipe orifice 10 at the bottom is connected with the adjusting short pipe 5 at the upper part through the rigid connecting rod 9, so that the submerged depth of the water outlet pipe orifice 10 is adjusted by the same amount by adjusting the position of the adjusting short pipe 5, and the water outlet flow of the water outlet pipe orifice 10 is controlled. The water outlet pipe orifice 10 is made of thin-wall stainless steel, the length is 100-200 mm, the diameter is 80-200 mm, the number of floating adjustable water outlet devices is reasonably set according to the design scale and the water outlet adjustment range, and the pipe diameter and the submerged depth of the water outlet pipe orifice 10 are selected.
The bottom of the water outlet pipe orifice 10 is connected with a water outlet hose 11, and the water outlet hose 11 is made of corrugated plastic pipes, so that the floating adjustable water outlet device can float up and down freely. The diameter of the water outlet hose 11 is consistent with that of the water outlet pipe orifice 10 and is 80-200 mm. The water outlet hose 11 is connected with a water outlet pipe 13 on the bottom wall of the regulating tank 14, and an electric valve 12 is arranged on the water outlet pipe 13 on the outer side of the tank wall, and the valve 12 can be remotely controlled to be opened and closed, so that the starting quantity of the floating adjustable water outlet device is controlled, and the water outlet quantity is controlled within a design range. In order to ensure that the water outlet pipe orifice 10 and the water outlet hose 11 can freely outflow and discharge water smoothly, the pipe diameter of the water outlet pipe 13 is one level larger than that of the water outlet pipe orifice 10.
In order to adapt to different water output, 3 ways are adopted for adjustment, firstly, the submerged depth of the water outlet pipe orifice 10 is adjusted, and the larger the submerged depth is, the larger the water output flow is; secondly, a water outlet pipe orifice 10 and a water outlet hose 11 with different pipe diameters are arranged, and the water outlet flow is larger as the pipe diameter of the water outlet pipe orifice 10 is larger; thirdly, the starting quantity of the floating adjustable water outlet device can be adjusted, so that the device is suitable for larger water outlet quantity adjustment. The water outlet flow rates of the single floating adjustable water outlet devices under different submerged depths with different water outlet pipe orifice 10 pipe diameters are shown in the following table:
Figure BDA0003970006280000061
TABLE 1 Single Floating Adjustable Water discharge device
In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and are not to be construed as limiting the present application.
The foregoing describes specific embodiments of the present utility model. It is to be understood that the utility model is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the utility model. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict.

Claims (10)

1. The floating adjustable water outlet device suitable for the sewage regulating tank is characterized by being arranged in the regulating tank (14) and comprising a floating device, a fixed bracket (3), a fixed sleeve (4), an adjusting device, a rigid connecting rod (9) and a water outlet pipe assembly;
the fixed support (3), the fixed sleeve (4) and the adjusting device are all positioned above the water surface, and the floating device floats on the water surface;
the floating device is connected with one end of the fixed support (3), the other end of the fixed support (3) is connected with the fixed sleeve (4), and the fixed sleeve (4) is movably sleeved on the outer side of the adjusting device;
the lower end of the adjusting device is fixedly connected with one end of the rigid connecting rod (9), the other end of the rigid connecting rod (9) is fixedly connected with the water outlet pipe assembly, and the submerged depth of the water outlet pipe assembly can be adjusted by adjusting the relative position of the adjusting device and the fixed sleeve (4), so that the water outlet flow is adjusted.
2. The floating adjustable water outlet device suitable for the sewage regulating tank according to claim 1, wherein the floating device comprises an annular pontoon (1) and a cylindrical diversion baffle (2), and the annular pontoon (1) is fixedly arranged outside the diversion baffle (2);
the inner side of the flow guide baffle plate (2) is connected with one end of the fixed support (3).
3. The floating adjustable water outlet device suitable for the sewage regulating tank according to claim 2, wherein the outer edge of the lower end of the flow guide baffle (2) is provided with a flow guide bell mouth (8).
4. The floating adjustable water outlet device suitable for the sewage regulating tank according to claim 1, wherein a limiting check ring (6) is arranged on the outer side of the upper end of the regulating device, and the outer diameter of the limiting check ring (6) is larger than the outer diameter of the fixed sleeve (4).
5. The floating adjustable water outlet device suitable for a sewage regulating tank according to claim 1, wherein the regulating device comprises a regulating short pipe (5) and a regulating bolt (7), and the regulating short pipe (5) is arranged inside a fixed sleeve (4);
the outside of adjusting short pipe (5) is provided with a plurality of screw holes that match with adjusting bolt (7) along length direction, when adjusting short pipe (5) are to predetermine the position for fixed sleeve (4), adjusting bolt (7) pass fixed sleeve (4) and insert corresponding screw hole in.
6. The floating adjustable water outlet device suitable for the sewage regulating reservoir according to claim 5, wherein the outer side of the regulating short tube (5) is marked with scale marks, and when the lowest position of the scale marks is level with the top of the fixed sleeve (4), the water outlet pipe assembly is level with the water surface.
7. The floating adjustable water outlet device suitable for the sewage regulating tank according to claim 1, wherein the water outlet pipe assembly comprises a water outlet pipe orifice (10), a water outlet hose (11) and a water outlet pipe (13), the water outlet pipe orifice (10) is communicated with the upper end of the water outlet hose (11), and the water outlet pipe (13) is communicated with the lower end of the water outlet hose (11);
the other end of the rigid connecting rod (9) is fixedly arranged in the water outlet pipe orifice (10).
8. The floating adjustable water outlet device for the sewage regulating tank according to claim 7, wherein a valve (12) is arranged between the water outlet hose (11) and the water outlet pipe (13).
9. The floating adjustable water outlet device for a sewage regulating tank according to claim 7, wherein the pipe diameter of the water outlet pipe (13) is larger than the pipe diameter of the water outlet hose (11).
10. The floating adjustable water outlet device suitable for the sewage regulating tank according to claim 1, wherein the number of the fixing brackets (3) is plural, and the fixing brackets (3) are uniformly arranged on the fixing sleeve (4) along the circumferential direction.
CN202223211671.1U 2022-11-29 2022-11-29 Floating adjustable water outlet device suitable for sewage regulating tank Active CN219091203U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223211671.1U CN219091203U (en) 2022-11-29 2022-11-29 Floating adjustable water outlet device suitable for sewage regulating tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223211671.1U CN219091203U (en) 2022-11-29 2022-11-29 Floating adjustable water outlet device suitable for sewage regulating tank

Publications (1)

Publication Number Publication Date
CN219091203U true CN219091203U (en) 2023-05-30

Family

ID=86457134

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223211671.1U Active CN219091203U (en) 2022-11-29 2022-11-29 Floating adjustable water outlet device suitable for sewage regulating tank

Country Status (1)

Country Link
CN (1) CN219091203U (en)

Similar Documents

Publication Publication Date Title
EP0028094B1 (en) Long vertical shaft bioreactor and method of protecting it against extreme surges of influent waste water
KR101591985B1 (en) Floating type water intake system that selectively controls water depth by buoyancy device
CN219091203U (en) Floating adjustable water outlet device suitable for sewage regulating tank
CN113072180B (en) Operation control method of sewage biochemical treatment system
KR101566641B1 (en) Waterfall type aeration stirring device
CN216200917U (en) Water installation is got to modularization constant flow volume
CN210085079U (en) Be used for preventing drop oxygenating device
RU2104741C1 (en) Device for withdrawal of purified sewage from round basin
CN86210146U (en) Automatic hydraulic valve for field irrigation
CN113492958B (en) Buoyancy-adjustable buoy and adjusting method
CN2238535Y (en) Automatic water supply apparatus for livestockand birds
CN111877292A (en) Automatic water surface floater collecting device with aeration function
CN220223692U (en) Overflow water outlet device for air floatation tank
CN211580661U (en) Water conservancy drive fertilizer applicator
CN214316705U (en) Automatic aquarium is adjusted to height water level
CN204778887U (en) Unpoweredly strain hydrophone from floating
CN213977123U (en) Air lifting device
CN2214443Y (en) Gravity lifting floating drainage weir
CN213995469U (en) Sewage treatment equalizing basin
CN213954502U (en) Circulating water buffer pool balance flow anti-overflow valve
CN211198744U (en) Small-sized submersible horizontal aeration plug flow stirring equipment
CN213100944U (en) Novel just sink adjusting tank and use play water device
CN111747459A (en) Unpowered flow control device for uniform water inlet of reactor
CN216304851U (en) Novel energy-saving environment-friendly water jet pond self-flowing system
CN115779510B (en) Self-adjusting clarifier for effluent flow and application thereof

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant