Algae stopping device for side slope of water diversion port of water conveyance canal

Abstract

The algae blocking device comprises supporting frames arranged on the left side and the right side of the side slope of the water diversion port, the bottoms of the supporting frames are attached to the inclined face of the side slope, a platform plate is horizontally arranged on the tops of the supporting frames, and a fixing frame is arranged at the position, over the water diversion port, of the top of the supporting frames. A left guide groove rail and a right guide groove rail which are fixedly connected with the supporting frame and the fixing frame are vertically arranged on the left side wall and the right side wall of the water distribution opening respectively, and a rectangular rotary net supporting frame is arranged between the left guide groove rail and the right guide groove rail. The utility model discloses convenient installation, do not influence the use of access gate in the lock chamber, easy later maintenance operation, rotary net support frame adjustment range is wider, adopt left and right two sets of circulation lift type chain transmission mechanism and algae blocking mesh, adopt two sets of intermittent or simultaneous operation according to the amount of algae in the water, reduce energy consumption, save electric energy, reduce the cost. The device provides guarantee for environment maintenance of the long-distance water delivery project, and ensures water supply safety of the long-distance water delivery project.

Description

Technical Field

[0001] This utility model belongs to the field of water treatment technology for water conveyance channels, specifically relating to an algae-blocking device on the slope of the water distribution outlet of a water conveyance channel. Background Technology

[0002] Application publication number CN118958234A discloses a prefabricated automatic algae-blocking device for a water diversion gate in a water conveyance project. A vortex net support frame is vertically installed inside the diversion gate chamber. Several nylon guide wheels on the left and right sides of the vortex net support frame are located within the maintenance door slots on the left and right sides of the diversion gate chamber. A vortex net drive mechanism, a high-pressure jet spray device, and an algae-water separation device are installed at the top of the diversion gate chamber. This structural design has the following problems in practical applications:

[0003] 1. Since the entire structure is installed inside the gate chamber at the water diversion outlet, the space inside the gate chamber is relatively small, making it difficult to enter and exit the gate station during installation and dismantling, which is not conducive to equipment maintenance.

[0004] 2. It occupies the maintenance gate slots on the left and right sides of the water diversion gate chamber. When installing and using the algae blocking device, the maintenance gate needs to be lifted out of the maintenance gate slot, which has a certain impact on the function of the hydraulic structure. When using the maintenance gate, the algae blocking device needs to be removed and then the maintenance gate needs to be lifted back into the maintenance gate slot, which is quite cumbersome.

[0005] 3. The highest position of the inspection gate slot cannot be extended upwards. The electric hoist installed at the top of the gate chamber is used to lift the rotating mesh support frame, which limits the height of the adjustable rotating mesh support frame. Moreover, daily use and maintenance are limited by the internal space of the gate chamber. Utility Model Content

[0006] The purpose of this utility model is to provide a water conveyance channel diversion slope algae blocking device that is easy to install and maintain, has a wider range of adjustable vortex support frame, and does not affect the use of maintenance gates.

[0007] To solve the above-mentioned technical problems, this utility model adopts the following technical solution: an algae-blocking device for the slope of a water diversion channel, comprising a support frame installed on the left and right sides of the diversion slope, the bottom of the support frame fitting against the slope, a platform plate horizontally installed on the top of the support frame, and a fixed frame installed directly above the diversion point on the top of the support frame. A left guide rail and a right guide rail are vertically installed on the left and right walls of the diversion point, respectively, and are fixedly connected to the support frame and the fixed frame. A rectangular rotating mesh support frame is installed between the left and right guide rails. An installation frame is fixedly installed on the upper rear side of the rotating mesh support frame. Two sets of circulating lifting chain drive mechanisms are arranged side by side between the frame and the rotating net support frame. A rotating net drive mechanism is set on each of the left and right sides of the top of the mounting frame. The rotating net drive mechanism on the left is connected to a set of circulating lifting chain drive mechanisms on the left, and the rotating net drive mechanism on the right is connected to a set of circulating lifting chain drive mechanisms on the right. Each set of circulating lifting chain drive mechanisms is covered with an algae-blocking net. A high-pressure jet water spraying device is set on the mounting frame to spray water towards the algae-blocking net. An algae-water separation device is set below the position where the high-pressure jet water spraying device sprays water onto the algae-blocking net.

[0008] The support frame extends to the left and right sides of the gate chamber, respectively, and a railing is provided at the top edge of the support frame.

[0009] The spinning net support frame is equipped with nylon guide wheels on both the left and right sides. The nylon guide wheel on the left side of the spinning net support frame is in rolling connection with the front and rear side walls of the left guide groove track, and the nylon guide wheel on the right side of the spinning net support frame is in rolling connection with the front and rear side walls of the right guide groove track.

[0010] An emergency lifting telescopic rod is vertically installed on the left side of the left guide rail and the right side of the right guide rail inside the fixed frame. A fixed seat is installed on the left and right sides of the upper part of the spiral net support frame. The upper end of the emergency lifting telescopic rod is pressed against the bottom of the fixed seat.

[0011] The algae-water separation device includes a guide channel, an algae separation box, a belt elevator, and a collection bucket. The guide channel is positioned below the high-pressure jet spray device, with the left side higher than the right. The bottom of the algae separation box is supported by a bracket mounted on a platform plate. The algae separation box is located below the right end of the guide channel. The algae separation box is lined with a filter screen plate that is tilted from left to right, with the right side of the filter screen plate extending beyond the right side of the algae separation box. An algae passage is located on the right side of the algae separation box above the filter screen plate. The left end of the belt elevator is located below the right side of the filter screen plate, and the right end of the belt elevator is located above the collection bucket. A return water pipe is connected to the bottom of the algae separation box, and the outlet of the return water pipe extends into the water distribution port.

[0012] Using the above technical solution, the working principle and process of this utility model are as follows: Water flows from front to back into a water distribution port that is wider at the front and narrower at the back, forming a figure-eight shape. The vortex drive mechanism drives the circulating lifting chain transmission mechanism and the algae-blocking net to circulate. Under the action of the water flow, algae in the water continuously attach to the front surface of the algae-blocking net. The algae-blocking net with attached algae moves upward. The high-pressure jet spraying device draws clean water from the water distribution port and sprays high-pressure jet water. The algae attached to the surface of the algae-blocking net moves to the high-pressure jet water spray point and is impacted by the water flow and falls into the guide channel. The algae-water mixture slides to the right along the guide channel surface, which is higher on the left and lower on the right. The algae-water mixture slides into the algae separation tank. The water passes through the filter screen and flows into the bottom of the algae separation tank. It then flows back to the water distribution port through the return water pipe. The algae slides to the right on the filter screen and falls to the feed end of the belt elevator. The belt elevator transports the algae to the collection bucket. Using the above-mentioned algae blocking and algae-water separation method, the vortex net drive mechanism and high-pressure jet spray device work continuously to achieve algae blocking and removal operations on the water entering the water distribution port.

[0013] The circulating lifting chain drive mechanism, the swirl net drive mechanism, and the high-pressure jet spraying device in this utility model are structurally identical to those in the prefabricated automatic algae blocking device for water diversion gates in water conveyance projects disclosed in application publication number CN118958234A. Therefore, the specific structure and the connection relationship of each component will not be described in detail.

[0014] In this invention, two sets of circulating lifting chain drive mechanism and rotating net drive mechanism are arranged side by side. The two sets of circulating lifting chain drive mechanism and rotating net drive mechanism can operate simultaneously, or one set can stop while the other runs, or the two sets can operate at different speeds to adapt to the amount of algae in the water distribution outlet.

[0015] When it is necessary to raise the vortex net support frame, installation frame, and algae-blocking net above the water surface, the vortex net support frame is lifted using an emergency lifting telescopic rod. After being raised to the encirclement height, the locking shaft is used to position the vortex net support frame with the left and right guide channel tracks respectively. The emergency lifting telescopic rod is an electric push rod.

[0016] In this invention, the height of the left and right guide rails is much greater than the height of the maintenance gate slot inside the gate chamber. Therefore, the depth of the vortex support frame, the installation frame, and the algae-blocking net can be arbitrarily adjusted below the water surface by means of an electric push rod. The vortex support frame, the installation frame, and the algae-blocking net can also be completely lifted above the water surface, which facilitates the maintenance of the components below the water surface.

[0017] The bottom of the support frame is fixed to the slopes on both sides of the water diversion outlet using expansion bolts, providing good stability. Located at the water diversion outlet inlet, and due to its distance from the walkway, a matching support frame and platform are designed based on the actual conditions of the gate chamber structure and the slope gradient to ensure safe access for equipment and personnel. The passageways on both sides of the support frame are distributed on both sides of the gate chamber structure; this design ensures passage on both sides. Guardrails at least 1.2m high are installed on the water-facing edge of the support frame. The support frame adopts a steel structure design, and its overall height should be approximately 2m higher than the maximum water level of the main canal. The platform in the direction of the canal flow is approximately 11m long and 7.5m wide. The support frame structure is assembled using a full-welding process, ensuring sufficient strength and rigidity while maximizing land use and improving practicality.

[0018] In summary, this utility model is installed on the slope in front of the gate chamber at the water diversion point of the South-to-North Water Diversion Project's central route. It is easy to install, does not affect the use of the maintenance gate inside the gate chamber, and facilitates later maintenance work. The rotating net support frame has a wider adjustment range. It adopts two sets of left and right circulating lifting chain drive mechanisms and algae-blocking nets, allowing for intermittent or simultaneous operation of the two sets depending on the amount of algae in the water, reducing energy consumption and saving electricity. This utility model has excellent algae blocking and separation effects, providing a guarantee for environmental maintenance in long-distance water transfer projects and ensuring the safety of water supply in long-distance water transfer projects. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0020] Figure 2 This is a top view of the present invention;

[0021] Figure 3 yes Figure 2 Sectional view of AA;

[0022] Figure 4 yes Figure 3 BB section view. Detailed Implementation

[0023] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples.

[0024] like Figures 1-4As shown, the algae-blocking device for the water diversion channel slope of this utility model includes a support frame 2 on the left and right sides of the diversion slope 1. The bottom of the support frame 2 is attached to the slope 1. A platform plate 3 is horizontally provided on the top of the support frame 2. A fixed frame 4 is provided directly above the diversion 5 on the top of the support frame 2. The left and right walls of the diversion 5 are respectively provided with a left guide channel track 6 and a right guide channel track 7, which are fixedly connected to the support frame 2 and the fixed frame 4. A rectangular vortex support frame 22 is provided between the left guide channel track 6 and the right guide channel track 7. An installation frame 8 is fixedly provided on the rear side of the upper part of the vortex support frame 22. The installation frame 8 and the vortex support frame 2 Two sets of circulating lifting chain drive mechanisms 9 are arranged side by side between the two sides of the top of the mounting frame 8. A rotating net drive mechanism 10 (electric reducer) is set on the left and right sides of the top of the mounting frame 8. The rotating net drive mechanism 10 on the left is connected to the set of circulating lifting chain drive mechanisms 9 on the left, and the rotating net drive mechanism 10 on the right is connected to the set of circulating lifting chain drive mechanisms 9 on the right. Each set of circulating lifting chain drive mechanisms 9 is covered with an algae-blocking net 11. The mounting frame 8 is equipped with a high-pressure jet water spraying device that sprays water towards the algae-blocking net 11. An algae-water separation device is located below the position where the high-pressure jet water spraying device sprays water onto the algae-blocking net 11.

[0025] The support frame 2 extends to the left and right sides of the gate chamber 12, respectively, and a railing 13 is provided at the top edge of the support frame 2.

[0026] The spinning net support frame 22 is equipped with nylon guide wheels 14 on both the left and right sides. The nylon guide wheel 14 on the left side of the spinning net support frame 22 is rolledly connected to the front and rear side walls of the left guide rail 6, and the nylon guide wheel 14 on the right side of the spinning net support frame 22 is rolledly connected to the front and rear side walls of the right guide rail 7.

[0027] An emergency lifting telescopic rod 15 is vertically installed on the left side of the left guide rail 6 and the right side of the right guide rail 7 inside the fixed frame 4. A fixed seat is installed on the left and right sides of the upper part of the spiral net support frame 22. The upper end of the emergency lifting telescopic rod 15 is pressed against the bottom of the fixed seat.

[0028] The algae-water separation device includes a guide channel 16, an algae separation box 17, a belt elevator 18, and a collection bucket 19. The guide channel 16 is positioned below the high-pressure jet spray device, with the left side higher than the right side. The bottom of the algae separation box 17 is equipped with a support 20 mounted on a platform plate 3. The algae separation box 17 is located below the right end of the guide channel 16. The algae separation box 17 is filled with a filter screen 21 that is inclined from left to right. The right side of the filter screen 21 extends out of the right side of the algae separation box 17. An algae passage is located on the right side of the algae separation box 17 above the filter screen 21. The left feed end of the belt elevator 18 is located below the right side of the filter screen 21, and the right discharge end of the belt elevator 18 is located above the collection bucket 19. A return water pipe is connected to the bottom of the algae separation box 17, and the outlet of the return water pipe extends into the water distribution port 5.

[0029] The working principle and process of this utility model are as follows: Water flows from front to back into the water distribution port 5, which is wider at the front and narrower at the back, forming a V-shape. The vortex drive mechanism 10 drives the circulating lifting chain transmission mechanism 9 and the algae-blocking net 11 to rotate in a cycle. Under the action of the water flow, algae in the water continuously attach to the front surface of the algae-blocking net 11. The algae-attached algae-blocking net 11 moves upward. The high-pressure jet spraying device draws clean water from the water distribution port 5 and sprays high-pressure jet water onto the algae-blocking net 11. The algae on the surface move to the high-pressure jet water spray point and are impacted by the water flow, falling into the guide channel 16. The algae-water mixture slides to the right along the left-high-right-low surface of the guide channel 16, and then slides into the algae separation tank 17. The water passes through the filter screen 21 and flows into the bottom of the algae separation tank 17, and then flows back to the water outlet 5 through the return water pipe. The algae slides to the right on the filter screen 21 and falls to the feed end of the belt elevator 18. The belt elevator 18 transports the algae to the collection tank 19. According to the above algae interception and algae-water separation method, the vortex drive mechanism 10 and the high-pressure jet water spray device work continuously to achieve algae interception and removal operations on the water entering the water outlet 5.

[0030] The circulating lifting chain drive mechanism 9, the swirl net drive mechanism 10, and the high-pressure jet spraying device in this utility model have the same structure as the circulating lifting chain drive mechanism 9, the swirl net drive mechanism 10, and the high-pressure jet spraying device in the water diversion gate assembly automatic algae blocking device of the water conveyance project disclosed in application publication number CN118958234A. Therefore, the specific structure and the connection relationship of each component will not be described again.

[0031] In this utility model, two sets of circulating lifting chain drive mechanism 9 and rotating net drive mechanism 10 are arranged side by side. The two sets of circulating lifting chain drive mechanism 9 and rotating net drive mechanism 10 can operate simultaneously, or one set can stop while the other runs, or the two sets can operate at different speeds to adapt to the amount of algae in the water distribution port 5.

[0032] When it is necessary to lift the vortex net support frame 22, the installation frame 8, and the algae-blocking net 11 out of the water, the vortex net support frame 22 is raised using the emergency lifting telescopic rod 15. After being raised to the encirclement height, the vortex net support frame 22 is positioned with the left guide channel track 6 and the right guide channel track 7 respectively using the locking shaft. The emergency lifting telescopic rod is an electric push rod.

[0033] In this invention, the height of the left guide rail 6 and the right guide rail 7 is much greater than the height of the maintenance door slot inside the gate chamber 12. Therefore, the depth of the vortex support frame 22, the mounting frame 8 and the algae-blocking net 11 below the water surface can be arbitrarily adjusted by the electric push rod, and the vortex support frame 22, the mounting frame 8 and the algae-blocking net 11 can be completely lifted above the water surface, which facilitates the maintenance of the components below the water surface.

[0034] The bottom of the support frame 2 is fixedly connected to the slope 1 on the top surface of the left and right sides of the water diversion outlet 5 by expansion bolts, providing good stability. This utility model is located at the inlet of the water diversion outlet 5. Due to its distance from the walkway, a matching support frame 2 and platform 3 need to be designed according to the actual situation of the gate chamber 12 structure and the slope of the slope 1 to ensure the safe entry and exit of equipment and personnel. The passageways on the left and right sides of the support frame 2 are distributed on both sides of the gate chamber 12 structure, ensuring passage on both sides after the arrangement of this utility model. Guardrails of no less than 1.2m are installed on the water-facing edge of the support frame 2. The support frame 2 adopts a steel structure design, and its overall height should be approximately 2m higher than the maximum water level of the main canal. The platform in the direction of the canal flow is approximately 11m long and 7.5m wide. The support frame 2 structure is assembled using a full welding process, ensuring sufficient strength and rigidity while maximizing land use and improving practicality.

[0035] The above embodiments illustrate the basic principles and features of this utility model. However, the above descriptions are merely preferred embodiments and are not limited to these embodiments. Those skilled in the art, inspired by this patent, can make many modifications and improvements without departing from the spirit and scope of the claims, all of which fall within the protection scope of this utility model. Therefore, the patent and its scope of protection should be determined by the appended claims.

Claims

1. An algae-blocking device for the slope of a water distribution channel, characterized in that: The system includes support frames on both sides of the water inlet slope. The bottom of the support frames fits into the slope, and the top of the support frames has a horizontal platform plate. A fixed frame is located directly above the water inlet on the top of the support frames. The left and right walls of the water inlet are respectively equipped with left and right guide rails that are fixedly connected to the support and fixed frames. A rectangular swirl net support frame is located between the left and right guide rails. An installation frame is fixed to the upper rear side of the swirl net support frame. Two sets of circulating lifting chain drive mechanisms are arranged side by side between the installation frame and the swirl net support frame. A swirl net drive mechanism is located on the left and right sides of the top of the installation frame. The left swirl net drive mechanism is connected to a set of circulating lifting chain drive mechanisms on the left, and the right swirl net drive mechanism is connected to a set of circulating lifting chain drive mechanisms on the right. Each set of circulating lifting chain drive mechanisms is covered with an algae-blocking net. A high-pressure jet spray device is installed on the installation frame to spray water towards the algae-blocking net. An algae-water separation device is located below the position where the high-pressure jet spray device sprays water onto the algae-blocking net.

2. The algae-blocking device at the water diversion inlet slope of the water conveyance channel according to claim 1, characterized in that: The support frame extends to the left and right sides of the gate chamber, respectively, and a railing is provided at the top edge of the support frame.

3. The algae-blocking device at the water diversion inlet slope of the water conveyance channel according to claim 1 or 2, characterized in that: The spinning net support frame is equipped with nylon guide wheels on both the left and right sides. The nylon guide wheel on the left side of the spinning net support frame is in rolling connection with the front and rear side walls of the left guide groove track, and the nylon guide wheel on the right side of the spinning net support frame is in rolling connection with the front and rear side walls of the right guide groove track.

4. The algae-blocking device at the water diversion outlet slope of the water conveyance channel according to claim 1 or 2, characterized in that: An emergency lifting telescopic rod is vertically installed on the left side of the left guide rail and the right side of the right guide rail inside the fixed frame. A fixed seat is installed on the left and right sides of the upper part of the spiral net support frame. The upper end of the emergency lifting telescopic rod is pressed against the bottom of the fixed seat.

5. The algae-blocking device at the water diversion inlet slope of the water conveyance channel according to claim 4, characterized in that: The algae-water separation device includes a guide channel, an algae separation box, a belt elevator, and a collection bucket. The guide channel is positioned below the high-pressure jet spray device, with the left side higher than the right. The bottom of the algae separation box is supported by a bracket mounted on a platform plate. The algae separation box is located below the right end of the guide channel. The algae separation box is lined with a filter screen plate that is tilted from left to right, with the right side of the filter screen plate extending beyond the right side of the algae separation box. An algae passage is located on the right side of the algae separation box above the filter screen plate. The left end of the belt elevator is located below the right side of the filter screen plate, and the right end of the belt elevator is located above the collection bucket. A return water pipe is connected to the bottom of the algae separation box, and the outlet of the return water pipe extends into the water distribution port.

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