Water taking head device with multiple connected grooves

Abstract

The invention relates to a multi-groove connected water taking head device which comprises a plurality of water taking heads, and the water taking heads are communicated with one another through connecting pipes and then connected with a water taking pipeline. The water taking head is cylindrical and is made of a fiber composite material, at least two circles of water inlets are formed in the upper part of the water taking head, grids are arranged at the water inlets, and the two circles of water inlets are parallel to each other and are arranged up and down, so that the water taking head can adjust the water inlet position according to the water level and water quality of the external environment; a counterweight interlayer is arranged at the lower part of the outer side of the water taking head and is used for accommodating a counterweight so as to stabilize the water taking head; a precipitation promoting part protruding upwards is arranged in the middle of the bottom of the water taking head, and the precipitation promoting part is provided with an inclined side face, so that silt in the water taking head can slide and precipitate along the side face of the precipitation promoting part; and the interior of the precipitation promoting part is hollow and is provided with a submersible sewage pump, and the submersible sewage pump is used for discharging silt at the bottom of the water taking head to the outer side of the water taking head so as to supplement the silt lost after the original mud surface is scoured and reduced, so that the stability of the water taking head is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of water intake head devices, and in particular relates to a water intake head device with multiple tanks connected. Background Art

[0002] At present, in water intake projects, single-type water intake heads are usually used, which are suitable for large-volume water intake projects such as power plant water intake, LNG water intake and seawater desalination, with tens or hundreds of cubic meters per second. Concrete box-type water intake heads are generally used. This type of water intake head is composed of a reinforced concrete box with grille water inlet holes around it. The concrete box is first prefabricated on land, then transported to the set location of the water intake head for installation, and finally connected to the water intake pipeline to complete the construction of the water intake structure. The concrete box is large in size, with a total weight of up to 7,000 to 8,000 tons, or even heavier. The difficulty and cost of its prefabrication, transportation and installation are high, and it also has a destructive effect on the riverbed or seabed environment.

[0003] When the tidal movement of river or sea water causes the movement of sediment, sediment, small solid waste or aquatic plants and seaweeds can easily enter the water intake head through the gaps in the grilles. The sediment is deposited at the bottom of the water intake head. After a long time, it will occupy the internal volume of the water intake head, resulting in a reduction in water intake. Aquatic plants and seaweeds that stay in the water intake head for a long time will affect the water quality. Sediment, small solid waste or aquatic plants and seaweeds enter the water intake pipe, affecting the normal water supply of the pipe. The above situation is particularly common in offshore areas or rivers with slow water flow rates. Summary of the invention

[0004] In view of the above problems, the present invention provides a multi-tank connected water intake head device, comprising a plurality of water intake heads, the plurality of water intake heads are interconnected through connecting pipes, and then connected to a water intake pipeline;

[0005] The water intake head is cylindrical and made of fiber composite material. At least two circles of water inlets are arranged on the upper part of the water intake head. A grid is arranged at the water inlet. The two circles of water inlets are parallel to each other and arranged one above and one below, so that the water intake head can adjust the water inlet position according to the water level and water quality of the external environment; a counterweight interlayer is arranged at the lower part of the outer side of the water intake head to accommodate the counterweight to stabilize the water intake head;

[0006] A sedimentation-promoting portion protruding upward is provided in the middle of the bottom of the water intake head. The sedimentation-promoting portion has inclined sides, which help the mud and sand in the water intake head to slide and settle along the sides of the sedimentation-promoting portion. The interior of the sedimentation-promoting portion is hollow and is provided with a submersible sewage pump. The submersible sewage pump is used to discharge the mud and sand at the bottom of the water intake head to the outside of the water intake head to replenish the mud and sand lost after the original mud surface is lowered due to scouring, thereby improving the stability of the water intake head.

[0007] The present invention uses a plurality of interconnected water intake heads to replace a traditional single reinforced concrete box. Under the premise of the same total water intake, the material of the water intake head is a fiber composite material, so that the weight of a single water intake head is much smaller than that of a reinforced concrete box. In this way, the prefabricated water intake head will be much lighter during transportation and hoisting, saving the operation of large machinery and the use of large ships, facilitating transportation, saving construction time and engineering costs. As the number of water intake heads increases and the volume of a single water intake head decreases, it is generally not necessary to use large ships and machinery, and the requirements for the water intake sea or river area will also be reduced. For example, the water level does not need to be very high.

[0008] In actual operation, the water flow may wash away the silt at the original mud surface outside the water intake head, causing the burial depth of the water intake head to become shallower, affecting the stability of the water intake head. The height of the original mud surface can be regularly monitored outside the water intake head, and the submersible sewage pump can discharge the collected silt inside the water intake head to the outside of the water intake head to replenish the silt lost on the original mud surface due to scouring.

[0009] Preferably, the water intake head is made of conventional fiberglass.

[0010] Optionally, the water intake head is cylindrical, with a top plate on the top, and an openable and closable inspection hole on the top plate to facilitate manual maintenance of the water intake head; a plurality of hoists are provided above the top plate, which are respectively used to connect and control the respective water baffles of the two circles of water inlets, so as to control the water intake of each water inlet;

[0011] The bottom of the counterweight sandwich is connected to the bottom of the water intake head, and the top of the counterweight sandwich is open to facilitate receiving the counterweight;

[0012] At least one water opening is arranged on the side surface of the lower part of the water intake head, and the water opening is used for connecting a water intake pipeline or a connecting pipe.

[0013] Further optionally, a cavity is provided at the bottom of the water intake head, and a partition bottom plate is provided between the cavity and the water storage space inside the water intake head to prevent water from entering the cavity, and the bottom of the sedimentation promoting part is provided on the partition bottom plate;

[0014] At least one sand discharge pipe is provided inside the cavity, one end of which passes through the partition bottom plate to connect to the outlet of the submersible sewage pump, and the other end passes through the bottom side wall of the water intake head and is above the initial mud surface, so that the mud and sand deposited at the bottom of the water intake head are discharged to the outside of the water intake head through the submersible sewage pump and the sand discharge pipe.

[0015] Further optionally, the outlet of the sand discharge pipe can also be connected in parallel to the outer side of the counterweight interlayer, so that the silt accumulated at the bottom of the water intake head can be discharged into the counterweight interlayer through the submersible sewage pump and the sand discharge pipe.

[0016] Optionally, two annular water baffles are provided on the outer side or the inner side of the water intake head, which are respectively used to cover the two water inlets correspondingly, so as to control the water intake of the water inlets;

[0017] The height of the water retaining plate is not less than the height of the corresponding water inlet. At least two connection positions are provided on the top of the water retaining plate. The connection positions are connected to the gate hoist above the top plate through ropes. The connection positions are evenly arranged along the circumference of the water retaining plate, and the gate hoist and the corresponding connection positions are arranged correspondingly up and down.

[0018] Optionally, the sedimentation promoting part is conical or truncated cone-shaped, and is small at the top and large at the bottom. The inclined side wall of the sedimentation promoting part and the inner wall of the water intake head form a circle of sand settling space that is large at the top and small at the bottom. The bottom of the sand settling space is a partition bottom plate, and a plurality of sand leakage ports are evenly arranged. The sand leakage ports are connected to the inlet of the submersible sewage pump through a pipeline.

[0019] The sedimentation promoting part and the partition bottom plate below form a closed space, and a submersible sewage pump and a rotating motor are arranged in the space.

[0020] Optionally, a rotatable sand cleaning component is provided on the outer side of the sedimentation promoting part, and the sand cleaning component includes a central axis and a plurality of sand cleaning rods around it, the bottom of the central axis vertically penetrates from the top of the sedimentation promoting part, and is then connected to the rotating shaft of the rotating motor, and the plurality of sand cleaning rods are evenly arranged along the circumference of the central axis, and the rotating motor drives the sand cleaning rods to rotate along the outer side surface of the sedimentation promoting part through the central axis;

[0021] The sand clearing rod is parallel to the outer side of the sedimentation promoting part. A sand clearing board is provided at the bottom of the sand clearing rod. The sand clearing board is inclined. When the sand clearing rod rotates, the sand clearing board moves the remaining sand at the bottom of the sand settling space, promotes the silt to enter the sand leakage mouth, and minimizes the amount of sand accumulated in the sand settling space.

[0022] Optionally, the water intake head is provided with a first filter screen corresponding to the lower water inlet and a second filter screen corresponding to the upper water inlet, the first filter screen is sheet-shaped and longitudinal, and covers the corresponding water inlet along the circumference of the water intake head; the second filter screen is circular and transverse, and covers the cross-section of the water intake head, and the second filter screen is lower than the corresponding water inlet.

[0023] Further optionally, the area of ​​the second filter screen is larger than the cross-sectional area of ​​the water intake head, so that the middle part of the second filter screen is in a drooping state, and the second filter screen is inclined from the periphery to the center;

[0024] A detachable storage pocket is provided in the center of the second filter screen. The bottom of the storage pocket is closed, and the top is open and connected to the space above the second filter screen, so that the dirt trapped on the second filter screen can enter the storage pocket; the top of the storage pocket is detachably connected to the center of the second filter screen.

[0025] Further optionally, a liftable cleaning plate is provided on the inner wall of the water intake head, the cleaning plate is circular, and has a push plate on the top that protrudes into the interior of the water intake head, and the longitudinal section of the cleaning plate is T-shaped; the push plate is inclined, and one side of the push plate close to the interior of the water intake head is higher than the other side of the push plate; at least two connection positions are provided on the top of the cleaning plate, which are used to connect the opening and closing machine above the top plate by ropes, so that the cleaning plate can move up and down.

[0026] Optionally, one water intake head is located in the center and is connected to a water intake pump via a water intake pipe; other water intake heads are arranged around the central water intake head, and the surrounding water intake heads are connected to the central water intake head via connecting pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of the water intake head device connected with multiple tanks;

[0028] Figure 2 This is the internal schematic diagram of the water intake head;

[0029] Figure 3 It is a schematic diagram of the cross section of the water intake head at the sedimentation promoting part;

[0030] Figure 4 Schematic diagram of the arrangement of multiple water intake heads.

[0031] In the attached drawings, 1-water intake head, 2-connecting pipe, 3-water intake pipe, 4-water inlet, 5-counterweight interlayer, 6-sedimentation promoting part, 7-submersible sewage pump, 8-top plate, 9-inspection hole, 10-hoist, 11-water retaining plate, 12-partition bottom plate, 13-sand discharge pipe, 14-sand leakage port, 15-rotating motor, 16-central axis, 17-sand cleaning rod, 18-first filter screen, 19-second filter screen, 20-storage pocket, 21-cleaning plate, 22-push plate, 23-support column, 24-sealing ring sleeve. DETAILED DESCRIPTION

[0032] This embodiment provides a water intake head device with multiple tanks connected, such as Figure 1-Figure 4 As shown, it includes a plurality of water intake heads 1, which are interconnected through connecting pipes 2 and then connected to a water intake pipeline 3;

[0033] The water intake head is cylindrical and made of fiber composite material. At least two circles of water inlets 4 are arranged on the upper part of the water intake head. A grid is arranged at the water inlet 4. The two circles of water inlets 4 are parallel to each other and arranged one above and one below, so that the water intake head 1 can adjust the water inlet position according to the water level and water quality of the external environment; a counterweight interlayer 5 is arranged at the lower part of the outer side of the water intake head 1 for accommodating a counterweight to stabilize the water intake head 1;

[0034] A sedimentation promoting portion 6 protruding upward is provided in the middle of the bottom of the water intake head 1. The sedimentation promoting portion 6 has an inclined side surface, which helps the silt in the water intake head to slide and settle along the side surface of the sedimentation promoting portion 6. The interior of the sedimentation promoting portion 6 is hollow and is provided with a submersible sewage pump 7. The submersible sewage pump 7 is used to discharge the silt at the bottom of the water intake head to the outside of the water intake head to replenish the silt lost after the original mud surface is lowered due to scouring, thereby improving the stability of the water intake head.

[0035] Preferably, the material of the water intake head is conventional fiberglass, which is lighter than reinforced concrete. Moreover, when the volume of a single water intake head is reduced, the water storage capacity is also reduced, and the strength requirement of the water intake head is also reduced. Fiberglass has good strength and can meet the water storage demand of a single water intake head. Fiberglass has good corrosion resistance and is not easily affected by chemical erosion or biological attachment. Fiberglass has good plasticity and machinability and is environmentally friendly. The roughness coefficient of fiberglass is smaller than that of concrete. Therefore, under the condition that the flow rate is increased to be beneficial to waterproofing organisms, the total head loss is smaller than the total head loss of the concrete box culvert, which can reduce the head of the power plant operating pump and save the power cost of the long-term operation of the pump.

[0036] Optionally, the water intake head 1 is cylindrical, with a top plate 8 on the top, and an openable inspection hole 9 on the top plate 8, which is convenient for manual maintenance of the water intake head; a plurality of hoists 10 are provided above the top plate 8, which are respectively used to connect and control the respective water baffles 11 of the two circles of water inlets 4, so as to control the water intake of each water inlet 4;

[0037] The bottom of the weight sandwich 5 is connected to the bottom of the water intake head, and the top of the weight sandwich 5 is open to facilitate receiving the weight object;

[0038] At least one water opening is provided on the side surface of the lower part of the water intake head, and the water opening is used to connect the water intake pipeline 3 or the connecting pipe 2.

[0039] Further optionally, a plurality of support columns 23 are provided on the inner wall or the outer wall of the vertical side wall of the water intake head, and the plurality of support columns are evenly distributed along the circumference of the water intake head to improve the strength and stability of the water intake head.

[0040] Further optionally, if the connecting pipe needs to be connected in sections, a sealing ring sleeve 24 is sleeved on the outer side of the joint for sealing the connection.

[0041] Further optionally, a cavity is provided at the bottom of the water intake head, and a partition bottom plate 12 is provided between the cavity and the water storage space inside the water intake head to prevent water from entering the cavity, and the bottom of the sedimentation promoting part 6 is provided on the partition bottom plate 12;

[0042] At least one sand discharge pipe 13 is provided inside the cavity, one end of the sand discharge pipe 13 passes through the partition bottom plate 12 to be connected to the outlet of the submersible sewage pump 7, and the other end passes through the bottom side wall of the water intake head and is above the initial original mud surface, so that the mud and sand deposited at the bottom of the water intake head are discharged to the outside of the water intake head through the submersible sewage pump 7 and the sand discharge pipe 13.

[0043] Further optionally, the outlet of the sand discharge pipe 13 can also be connected in parallel to the outer side of the counterweight interlayer 5, so that the silt accumulated at the bottom of the water intake head can be discharged into the counterweight interlayer 5 through the submersible sewage pump and the sand discharge pipe.

[0044] Further optionally, the outlet of the sand discharge pipe 13 may be connected in parallel with a discharge pipe, which is buried or laid on the bottom of the water, and the outlet of the discharge pipe is far away from the water intake head to discharge excess sediment back into the water environment.

[0045] Optionally, two annular water baffles 11 are provided on the outside or inside of the water intake head, which are respectively used to cover the two water inlets 4 to control the water intake of the water inlets 4;

[0046] The height of the water retaining plate 11 is not less than the height of the corresponding water inlet 4. At least two connection positions are provided on the top of the water retaining plate 11. The connection positions are connected to the gate hoist 10 above the top plate 8 through ropes. The connection positions are evenly arranged along the circumference of the water retaining plate 11. The gate hoist and the corresponding connection positions are arranged in correspondence with each other up and down. The connection positions are conventional hanging rings or hooks.

[0047] The gate hoist stretches the water baffle up and down through the rope. The diameters of the two water baffles are equal and their positions cannot overlap. When the water baffle is above or below the corresponding water inlet, the water inlet is open and water can flow in smoothly. When the water baffle and the water inlet are at the same height, the water inlet is closed. Although the water baffle only covers the water inlet and cannot be completely sealed, it can block most of the dirt in the water body at this height, and the water body can only flow in at a very small flow rate.

[0048] When severe weather and storm surges cause sediment movement, the lower water inlet is closed to prevent a large amount of sediment from entering the water intake head, and water can still be drawn from the upper water inlet. When the water body is eutrophic and aquatic organisms such as waterweed and seaweed are suspended on the water surface, the upper water inlet is closed to prevent aquatic organisms such as waterweed and seaweed from entering, and water can still be drawn from the lower water inlet.

[0049] Since a grille is installed at the water inlet, fine sand and tiny aquatic plants cannot be completely intercepted, allowing the fine sand and aquatic plants to enter the water intake head, affecting normal water delivery and causing silt and biomass to accumulate in the water intake head.

[0050] Optionally, the sedimentation promoting part 6 is conical or truncated cone-shaped, and is small at the top and large at the bottom. The inclined side wall of the sedimentation promoting part 6 and the inner wall of the water intake head form a circle of sedimentation space with a large top and a small bottom. The bottom of the sedimentation space is a partition bottom plate 12, and a plurality of sand leakage ports 14 are evenly arranged. The sand leakage ports 14 are connected to the inlet of the submersible sewage pump 7 through a pipeline.

[0051] The sedimentation promoting part 6 and the partition bottom plate 12 below form a closed space, in which a submersible sewage pump 7 and a rotating motor 15 are arranged.

[0052] The fine sand in the water body in the water intake head will partially settle to the bottom. In the long run, it will occupy the water storage space. Although the volume of the water intake head is smaller than the previous concrete box culvert, the volume is also several cubic meters to dozens of cubic meters. It is costly to rely solely on manual regular diving and cleaning. The present invention sets the sedimentation promotion part 6 at the bottom of the water intake head, and the silt can slide down along its inclined side wall to the upper surface of the partition bottom to promote the sedimentation of silt. The cavity at the bottom of the water intake head can accommodate the pipes connected to the sand discharge pipe 13 and the sand leakage port 14, so as to prevent these pipes from being compressed by the sediment and attached by aquatic plants and leaking, thereby extending the service life of these pipes. Since there is no water inside the sedimentation promotion part 6 and the cavity, the position where the above-mentioned pipe passes through the partition bottom plate 12 does not need to be sealed. The partition bottom plate 12 corresponding to the sedimentation promotion part 6 may not be a whole piece of plate, as long as it can support the submersible sewage pump 7.

[0053] Several sand draining ports 14 are evenly arranged along the circumference of the partition bottom plate 12, so that the muddy water in the sand settling space can be evenly discharged. After the pipes connected to the several sand draining ports 14 are connected in parallel, they are connected to the inlet of the submersible sewage pump 7. When several sand discharge pipes 13 are set, the outlet of the submersible sewage pump 7 is connected to a main pipe, and the main pipe is connected in parallel with several sand discharge pipes 13, so that the mud and sand can be evenly discharged to the outside of the water intake head to supplement the mud and sand lost in the original mud layer; or, the mud and sand can be evenly discharged to various positions of the counterweight interlayer 5 to provide a relatively uniform counterweight for the water intake head.

[0054] In the early stage when the water intake head is placed underwater, there is basically no sediment discharged, and some counterweights such as stones and concrete can be placed in the counterweight interlayer 5. In later use, as more sediment is discharged, the counterweight of the counterweight interlayer 5 gradually increases, the water intake head becomes more and more stable, and the fine sediment can be filled into the gaps of the stones, so that the counterweight interlayer 5 can take on more sediment.

[0055] Preferably, the outlet of the sand discharge pipe 13 is connected to the top of the counterweight interlayer 5, so as to transport as much sand as possible to the counterweight interlayer 5. When there is too much sand in the counterweight interlayer 5, the sand and stones can be removed manually.

[0056] Optionally, a rotatable sand cleaning component is provided on the outer side of the sedimentation promoting part 6, and the sand cleaning component includes a central axis 16 and a plurality of sand cleaning rods 17 around it. The bottom of the central axis 16 vertically penetrates from the top of the sedimentation promoting part 6, and is then connected to the rotating shaft of the rotating motor 15. The plurality of sand cleaning rods 17 are evenly arranged along the circumference of the central axis 16, and the rotating motor 15 drives the sand cleaning rods 17 to rotate along the outer side surface of the sedimentation promoting part 6 through the central axis 16;

[0057] The sand clearing rod 17 is parallel to the outer side surface of the sedimentation promoting part 6. A sand clearing plate is provided at the lower part of the sand clearing rod 17. The sand clearing plate is inclined. When the sand clearing rod 17 rotates, the sand clearing plate moves the remaining sand at the lower part of the sand settling space, promotes the silt to enter the sand leakage port 14, and minimizes the amount of sand accumulated in the sand settling space.

[0058] The present invention provides the above solution to the problem of sand accumulation inside the water intake head, that is, a sedimentation promoting part 6 is provided at the bottom of the water intake head, which can not only promote the sedimentation of silt, but also open up a new space for placing the rotating motor 15 and the submersible sewage pump 7 (close to the sand settling space and the counterweight interlayer 5) nearby, and then connect them through pipelines to achieve short-distance sand discharge, and the discharged silt enters the counterweight interlayer 5 to strengthen the counterweight of the water intake head and improve stability. In order to strengthen the promotion of sand discharge, the present invention designs a rotatable sand cleaning component. In conjunction with the appearance characteristics of the sedimentation promoting part 6, the sand cleaning rod 17 rotates to clean the sand and minimize the silt in the sand settling space. The silt accumulated inside the water intake head also has the effect of stabilizing the water intake head, but there is a risk of clogging the connecting pipe. The present invention transfers these silts to the outside of the water intake head or the counterweight interlayer 5 to minimize the impact of silt in the water intake.

[0059] Further optionally, a bracket or a support rod is provided inside the precipitation promoting part 6 for supporting the rotating motor 15 .

[0060] In order to prevent a large amount of sediment and aquatic organisms from entering the water intake head, it is still necessary to solve the problem from the water inlet. The present invention provides the following solution.

[0061] Optionally, the water intake head 1 is provided with a first filter screen 18 corresponding to the lower water inlet and a second filter screen 19 corresponding to the upper water inlet. The first filter screen 18 is sheet-shaped and longitudinal, and covers the corresponding water inlet along the circumference of the water intake head; the second filter screen 19 is circular and transverse, and covers the cross-section of the water intake head. The second filter screen 19 is lower than the corresponding water inlet.

[0062] Solid impurities with slightly heavier mass, such as mud and sand, mainly enter from the lower water inlet, while aquatic organisms such as waterweed and seaweed and impurities with slightly lighter mass mainly enter from the upper water inlet. According to the difference in impurities entering from the upper and lower water inlets, the present invention designs two different forms of filter screens. The first filter screen 18 is equivalent to setting another filter screen on the inner side of the grille to further filter solid impurities. The first filter screen 18 is basically perpendicular to the water inlet direction to further filter large particles of mud and sand and other solids. Mud and sand that are too small will still pass through the first filter screen 18.

[0063] Solid impurities entering from the upper water inlet have poor sedimentation, but aquatic organisms such as waterweed and seaweed have strong adhesion. If the first filter screen 18 is still used, the aquatic organisms will immediately attach to the second filter screen 19. After a long period of filtration, a covering similar to blocking the upper water inlet will be formed, which directly affects the water intake of the water inlet. This is inappropriate. The second filter screen 19 of the present invention adopts a horizontal form. After the water body enters, as the connecting pipe continuously pumps water, the water body will flow directly downward and pass through the second filter screen 19. Even if the aquatic organisms attach to the second filter screen 19, it will not immediately affect the water intake of the upper water inlet.

[0064] Further optionally, the area of ​​the second filter screen 19 is larger than the cross-sectional area of ​​the water intake head, so that the middle part of the second filter screen 19 is in a drooping state, and the second filter screen 19 is inclined from the periphery to the center;

[0065] A detachable storage pocket 20 is provided in the center of the second filter 19. The bottom of the storage pocket 20 is closed, and the top is open and connected to the space above the second filter 19, so that the dirt trapped on the second filter 19 can enter the storage pocket 20; the top of the storage pocket 20 is detachably connected to the center of the second filter 19.

[0066] The top of the storage pocket 20 can be connected to the center of the second filter screen 19 by various conventional methods, such as a tie rope, a buckle, etc.

[0067] The mesh surface of the second filter 19 is inclined from the periphery to the center, and coupled with the continuous flushing of water from the upper water inlet, most of the dirt on the second filter 19 is continuously gathered toward the center along the mesh surface of the second filter 19, and finally falls into the storage pocket 20 for collection. When there is too much dirt in the storage pocket 20, the storage pocket 20 can be manually replaced through the inspection hole 9 of the top plate 8, and the second filter 19 can even be disassembled as a whole and replaced with a new one. Since the second filter 19 is close to the top plate 8, it is not difficult to replace the storage pocket 20.

[0068] Further optionally, a lifting cleaning plate 21 is provided on the inner wall of the water intake head, the cleaning plate 21 is circular, and has a push plate 22 protruding toward the inside of the water intake head on the top, and the longitudinal section of the cleaning plate 21 is T-shaped; the push plate 22 is inclined, and the side of the push plate 22 close to the inside of the water intake head is higher than the other side of the push plate 22; at least two connection positions are provided on the top of the cleaning plate 21, which are used to connect the hoist above the top plate 8 through ropes, so that the cleaning plate 21 can move up and down;

[0069] When the cleaning plate 21 moves upward, the push plate 22 lifts the bottom of the first filter screen 18 upward, and at the same time, the lower side of the push plate 22 can be close to the grille of the lower water inlet through the first filter screen 18, thereby pouring the dirt accumulated in the first filter screen 18 from the lower water inlet to the outside of the water intake head; when the cleaning plate 21 moves downward, the first filter screen 18 is reset.

[0070] Since the dirt retained by the first filter screen 18 is mainly small pieces of large particles of sand, the dirt will accumulate at the bottom of the first filter screen 18. When the cleaning plate 21 rises, the push plate 22 lifts the bottom of the first filter screen 18 upward, and the inclined push plate 22 pushes the first filter screen 18 and the dirt, dumping most of the dirt to the outside of the water intake head.

[0071] According to the characteristics of the upper and lower filter screens, the present invention designs the above-mentioned different ways of cleaning the filter screens, each of which has its own characteristics, simple structure, convenient use and low cost.

[0072] Optionally, several water intake heads are connected in series, and adjacent water intake heads are connected by connecting pipes, and the last water intake head is connected to the water intake pump through the water intake pipe. In this form, the water in the water intake head at one end needs to flow through each water intake head, and the water path is long. If there is a sudden serious pollution in one water intake head, it is likely to transfer the pollutants to other water intake heads.

[0073] Optionally, one water intake head is in the center and connected to the water pump through a water intake pipe; other water intake heads are arranged around the central water intake head and evenly distributed in a circular shape, and the surrounding water intake heads are connected to the central water intake head through connecting pipes. The surrounding water intake heads are only connected to the central water intake head, and are not connected to other surrounding water intake heads. Even if a certain water intake head suddenly becomes seriously polluted, it will only pollute the central water intake head, and will have little impact on other surrounding water intake heads. Moreover, this design can form an encirclement using the surrounding water intake heads, and combined with the hoist and gate on the top of the water intake head and other markers, it can simultaneously form a marking range, indicating the locations of all water intake heads for passing ships, and reminding ships to avoid them in advance.

Claims

1. A water intake head device with multiple tanks connected, characterized in that: It includes a plurality of water intake heads, which are interconnected through connecting pipes and then connected to the water intake pipeline; The water intake head is cylindrical and made of fiber composite material. At least two circles of water inlets are arranged on the upper part of the water intake head. A grid is arranged at the water inlet. The two circles of water inlets are parallel to each other and arranged one above and one below, so that the water intake head can adjust the water inlet position according to the water level and water quality of the external environment; a counterweight interlayer is arranged at the lower part of the outer side of the water intake head to accommodate the counterweight to stabilize the water intake head; A sedimentation-promoting portion protruding upward is provided in the middle of the bottom of the water intake head. The sedimentation-promoting portion has inclined sides, which help the mud and sand in the water intake head to slide and settle along the sides of the sedimentation-promoting portion. The interior of the sedimentation-promoting portion is hollow and is provided with a submersible sewage pump. The submersible sewage pump is used to discharge the mud and sand at the bottom of the water intake head to the outside of the water intake head to replenish the mud and sand lost after the original mud surface is lowered due to scouring, thereby improving the stability of the water intake head.

2. The multi-tank connected water intake head device according to claim 1, characterized in that: The water intake head is made of fiberglass; the water intake head is cylindrical, with a top plate on the top, and an openable inspection hole on the top plate, which is convenient for manual maintenance of the water intake head; a plurality of hoists are arranged above the top plate, which are respectively used to connect and control the respective water baffles of the two circles of water inlets, so as to control the water intake of each water inlet; The bottom of the counterweight sandwich is connected to the bottom of the water intake head, and the top of the counterweight sandwich is open to facilitate receiving the counterweight; At least one water opening is arranged on the side surface of the lower part of the water intake head, and the water opening is used for connecting a water intake pipeline or a connecting pipe.

3. The multi-tank connected water intake head device according to claim 2, characterized in that: A cavity is provided at the bottom of the water intake head, and a partition bottom plate is provided between the cavity and the water storage space inside the water intake head to prevent water from entering the cavity, and the bottom of the sedimentation promoting part is provided on the partition bottom plate; At least one sand discharge pipe is provided inside the cavity, one end of which passes through the partition bottom plate to connect to the outlet of the submersible sewage pump, and the other end passes through the bottom side wall of the water intake head and is above the initial mud surface, so that the mud and sand deposited at the bottom of the water intake head are discharged to the outside of the water intake head through the submersible sewage pump and the sand discharge pipe.

4. The multi-tank connected water intake head device according to claim 2, characterized in that: Two annular water baffles are provided on the outside or inside of the water intake head, which are respectively used to cover the two water inlets to control the water intake of the water inlets; The height of the water retaining plate is not less than the height of the corresponding water inlet. At least two connection positions are provided on the top of the water retaining plate. The connection positions are connected to the gate hoist above the top plate through ropes. The connection positions are evenly arranged along the circumference of the water retaining plate, and the gate hoist and the corresponding connection positions are arranged correspondingly up and down.

5. The multi-tank connected water intake head device according to claim 1, characterized in that: The sedimentation promoting part is conical or truncated cone-shaped, and is small at the top and large at the bottom. The inclined side wall of the sedimentation promoting part and the inner wall of the water intake head form a circle of sedimentation space that is large at the top and small at the bottom. The bottom of the sedimentation space is a partition bottom plate, and a plurality of sand leakage ports are evenly arranged. The sand leakage ports are connected to the inlet of the submersible sewage pump through a pipeline. The sedimentation promoting part and the partition bottom plate below form a closed space, and a submersible sewage pump and a rotating motor are arranged in the space.

6. The multi-tank connected water intake head device according to claim 5, characterized in that: A rotatable sand cleaning component is provided on the outer side of the sedimentation promoting part, and the sand cleaning component includes a central axis and a plurality of sand cleaning rods around it. The bottom of the central axis vertically penetrates from the top of the sedimentation promoting part and is then connected to the rotating shaft of the rotating motor. The plurality of sand cleaning rods are evenly arranged along the circumference of the central axis, and the rotating motor drives the sand cleaning rods to rotate along the outer side surface of the sedimentation promoting part through the central axis. The sand-clearing rod is parallel to the outer side surface of the sedimentation-promoting part, and a sand-clearing plate is arranged at the lower part of the sand-clearing rod, and the sand-clearing plate is inclined.

7. The multi-tank connected water intake head device according to claim 2, characterized in that: The water intake head is provided with a first filter screen corresponding to the lower water inlet and a second filter screen corresponding to the upper water inlet. The first filter screen is sheet-shaped and longitudinal, and covers the corresponding water inlet along the circumference of the water intake head; the second filter screen is circular and transverse, and covers the cross-section of the water intake head. The second filter screen is lower than the corresponding water inlet.

8. The multi-tank connected water intake head device according to claim 7, characterized in that: The area of ​​the second filter screen is larger than the cross-sectional area of ​​the water intake head, so that the middle part of the second filter screen is in a drooping state, and the second filter screen is inclined from the periphery to the center; A detachable storage pocket is provided in the center of the second filter screen. The bottom of the storage pocket is closed, and the top is open and connected to the space above the second filter screen, so that the dirt trapped on the second filter screen can enter the storage pocket; the top of the storage pocket is detachably connected to the center of the second filter screen.

9. The multi-tank connected water intake head device according to claim 7, characterized in that: A liftable cleaning plate is provided on the inner wall of the water intake head. The cleaning plate is circular and has a push plate on the top that protrudes into the water intake head. The longitudinal section of the cleaning plate is T-shaped. The push plate is inclined, and one side of the push plate close to the inside of the water intake head is higher than the other side of the push plate. At least two connection positions are provided on the top of the cleaning plate, which are used to connect the gate opening and closing machine above the top plate through ropes so that the cleaning plate can move up and down.

10. The multi-tank connected water intake head device according to claim 1, characterized in that: One water intake head is located in the center and is connected to a water intake pump through a water intake pipe; other water intake heads are arranged around the central water intake head, and the surrounding water intake heads are connected to the central water intake head through connecting pipes.

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