CN112267524B - Water intake head structure for guiding water in river channel - Google Patents

Water intake head structure for guiding water in river channel Download PDF

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Publication number
CN112267524B
CN112267524B CN202011023940.4A CN202011023940A CN112267524B CN 112267524 B CN112267524 B CN 112267524B CN 202011023940 A CN202011023940 A CN 202011023940A CN 112267524 B CN112267524 B CN 112267524B
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water
sand
water diversion
sand discharge
diversion
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CN112267524A (en
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杨恩尚
董海洋
李宗宇
陈范君
种琳
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Zhejiang Ocean University ZJOU
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Zhejiang Ocean University ZJOU
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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/04Methods or installations for obtaining or collecting drinking water or tap water from surface water
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D36/00Filter circuits or combinations of filters with other separating devices
    • B01D36/04Combinations of filters with settling tanks

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
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Abstract

The invention discloses a water intake head structure for guiding water in a river channel, which belongs to the technical field of river channel water intake and comprises: water intaking base member, the inside cavity setting of water intaking base member, the mounting base, the water intaking base member bottom is located to the mounting base, the mounting base has the boss structure and locates in the water intaking base member cavity, the husky box of row is located the inside cavity setting of mounting base bottom and husky box of row, the husky fill of row is all established to the boss top surface, the husky fill inner wall surface equipartition water conservancy diversion piece of row, the water conservancy diversion piece is frustum form, the frustum area that the water conservancy diversion piece is close to the husky fill end of row is greater than its subtend side frustum area, the husky passageway of row has been seted up to the mounting base, husky fill and the husky box of row of the intercommunication of husky passageway, the husky export of row is seted up respectively to the double-phase offside of husky box of row. The invention realizes the purposes of preventing sundries from blocking a water taking path and treating sand mixed in the water body in the water taking process, eliminating the interference of short stream and turbulent flow pulsation of river channel water flow on sand deposition in the water body, and designing the water taking head to reduce the impact damage of the water flow and objects.

Description

Water intake head structure for guiding water in river channel
Technical Field
The invention belongs to the technical field of river channel water taking, and particularly relates to a water taking head structure for guiding water in a river channel.
Background
The waterworks are generally built near rivers, water is led from the rivers through laid water leading pipes, the end parts of the water leading pipes in the rivers are usually connected with a water taking head structure, river water firstly enters the water taking head structure and then enters the water leading pipes, the water taking head structure is installed in the riverway, the whole structure must be ensured to be installed stably and reliably, and meanwhile, the impact of river water flowing on the water taking head structure needs to be reduced as much as possible; in addition, need prevent that the great debris of size from getting into in the water intaking head structure, avoid blockking up the leading pipe.
Disclosure of Invention
The invention aims to provide a water taking head structure for guiding water in a river channel, which prevents sundries from blocking a water taking path and treating sand mixed in a water body in a water taking process, eliminates the interference of short stream and turbulent flow pulsation of the water flow of the river channel on sand deposition in the water body, and designs the water taking head to reduce impact damage of the water flow and objects.
The technical scheme adopted by the invention for realizing the purpose is as follows: a water intaking head structure for drawing water in a river course, includes:
the water taking base part is arranged in a hollow way, one side of the water taking base part is provided with a water inlet, the opposite side of the water inlet is provided with a water outlet, the water outlet is provided with a water diversion pipe, two sides of a water taking head are provided with flow guide parts,
a mounting base which is arranged at the bottom of the water taking base part, is provided with a boss structure and is arranged in the cavity of the water taking base part,
arrange husky box, arrange husky box and locate mounting base bottom and arrange the inside cavity setting of husky box, arrange husky bottom of the box and be equipped with the counter weight plate body.
The sand discharge hopper is arranged on the top surface of the boss, the sand discharge hopper is gradually reduced downwards between ports of the sand discharge hopper, the flow guide pieces are uniformly distributed on the surface of the inner wall of the sand discharge hopper and are frustum-shaped, the area of the frustum close to the end of the sand discharge hopper of each flow guide piece is larger than that of the frustum on the opposite side of the flow guide piece, the sand discharge channel is arranged on the mounting base, the sand discharge channel is communicated with the sand discharge hopper and the sand discharge box body, and the sand discharge outlet is respectively formed in the opposite sides of the sand discharge box body.
When the water intake head is arranged, the water intake head is usually arranged at the bottom of the middle of a river channel, and is arranged at the side of the river channel when the problem that the river channel is in a dry period for a long time or is easy to collide with the river channel is considered. The water intake head is through the water inlet introduction water body in the river course of seting up in water intake base member side, the leading water pipe discharge that the water inlet that gets into in the water intake base member set up through the delivery port sends into intake or in the pump room, it can receive the continuous washing away of river water to consider that the water intake head is placed in the river course, probably cause the water intake head to produce bad phenomena such as displacement, through the mode that sets up water conservancy diversion portion in water intake head both sides, reduce the washing away of water body in the river course like this, and preferably adopt concrete placement in the water conservancy diversion portion, improve resistant river water impact effect. The edge of the boss of the mounting base is fixedly connected with the bottom of the water taking base member, the flowing effect of the water body in the water taking base member to the direction of the water diversion pipe is improved in a mode of forming an inclined plane at the bottom in the water taking base member, sand grains in the water body in the water taking base member can be conveniently settled downwards and can rapidly enter the sand discharging box body through the sand discharging hopper through the sand discharging passage at the bottom, the sand content in the water body in the water taking base member is reduced, the sand grains are prevented from being abraded to subsequent water body treatment equipment, the sand grains entering the sand discharging box body are discharged out of the sand discharging box body under the washing of the water body in a river channel, the water body passing through the sand discharging box body has certain flow velocity to form certain suction force to the water body or the sand grains in the sand discharging passage, thus the downward moving of the sand discharging hopper and the sand grains in the sand discharging passage can be improved, the problem of blockage of the sand discharging passage is solved, and the particulate matters and the sand grains in the water body in the water taking member are settled downwards to the sand discharging hopper and discharged to the sand discharging box body, sand grain and particulate matter are through arranging husky fill inner wall and water conservancy diversion spare, at the in-process through the water conservancy diversion spare, because the frustum area that the water conservancy diversion spare is close to the husky fill end of arranging is greater than its subtend side frustum area, there is certain hole in water conservancy diversion spare lower part like this, there is the release space sand grain and water when reaching its lower part through water conservancy diversion spare upper portion, the downward flow velocity of water and sand grain can improve and play certain rectification effect to the water that has the turbulent flow and further promote the decurrent discharge of fluid and sand grain, realize that sand grain and particulate matter from the top down intensive continuous down-shifting gradually, the water and a large amount of sand grain that flow in succession fall into arrange husky box, river course bottom water washes away the box with the sand grain and takes out the husky box to arrange husky box, and set up the stabilizer plate body and improve the stable effect of arranging husky box in aqueous.
According to one embodiment of the invention, the sand discharge outlet of the sand discharge box body is arranged corresponding to the water inlet and the water outlet of the water taking base part, the sand discharge outlet of the sand discharge box body can be provided with the filter screen plate, the sand discharge box body is internally provided with the sand discharge assembly, and the sand discharge assembly is arranged below the sand discharge channel. Arrange husky export of husky box and optionally install under some circumstances and filter the otter board for example avoid pasture and water to grow to arrange husky box in the more condition of river course bottom pasture and water, prevent through filtering the otter board that pasture and water from growing to arrange husky incasement, for the interior grains of sand discharge of improvement row husky box, improve row husky effect through setting up row husky subassembly in arranging husky box.
According to one embodiment of the invention, the sand discharging assembly comprises a sand discharging rotating shaft, the axis of the sand discharging rotating shaft is parallel to the bottom surface of the sand discharging box body, one end of the sand discharging rotating shaft is connected with the sand discharging box body through a bearing, the other end of the sand discharging rotating shaft is provided with a connecting transition piece, the connecting transition piece can rotate relative to the sand discharging rotating shaft, the connecting transition piece is fixedly connected with a second bevel gear, the axis of the second bevel gear is perpendicular to the axis of the sand discharging rotating shaft, the end of the sand discharging rotating shaft is provided with a first bevel gear meshed with the second bevel gear, the second bevel gear is connected with a coaxial sand discharging rotary table, and the sand discharging rotary table is provided with a second sand discharging through groove and a first sand discharging through groove of the sector device. The second arranges husky logical groove and lays in row husky carousel one side direction, and first row husky logical groove lays on opposite side drainage row husky carousel, and first row husky logical groove sector area is lighter than the sector area that the second arranged husky logical groove, and the second is arranged husky and is led to the adjacent layout of groove and constitute similar semicircle form, and the first row husky logical groove is adjacent to be laid and constitute similar semicircle form. The sand discharge rotary disc can rotate relative to the connecting transition piece, and the connecting transition piece can rotate relative to the first bevel gear. The sand discharging outlet arranged on the side wall of the sand discharging box body is convenient for the water body at the bottom of a river channel to circulate, the flowing water flow drives the sand grains in the sand discharging box body to move so that the sand grains move out of the sand discharging box body, the water flow is contacted with the sand discharging rotary table to push the sand grains in the process that the water body flows through the sand discharging box body, the formed pushing force enables the second bevel gear to rotate relative to the first bevel gear, the sand discharging rotary table rotates along with the second bevel gear while rotating around the axis of the sand discharging rotary shaft, the original mode that the rotating plate body rotates around the shaft singly is changed, the surface of the sand discharging rotary table is respectively provided with the first sand discharging through groove and the second sand discharging through groove, the contact surface of the sand discharging rotary table and the water body is controlled while the weight of the sand discharging rotary table is reduced so that the contact amount of the non-grooved plate body on the surface of the sand discharging rotary table with the water body on the upper part of the axis of the sand discharging rotary shaft is reduced, the sand discharging channel is favorable for downward sand discharging, and the contact amount of the lower water body of the sand discharging rotating shaft and the surface of the sand discharging rotary disc is more, so that the upper water body and the medium have downward adsorption effect, the downward sand discharging of the sand discharging channel is promoted, and the blockage of the sand discharging channel is prevented.
According to one embodiment of the invention, the water taking base element is provided with at least two water inlets, the water taking base element on the side of the water inlet is provided with an auxiliary water diversion tank, the auxiliary water diversion tank is hollow and matched with at least one water inlet, and the tank surface on the upper part of the auxiliary water diversion tank is obliquely arranged and provided with a water inlet through groove. The water intake speed is improved by the way of arranging a plurality of water inlets on the water taking base member, certainly, the water inlets can be arranged on two sides of the water taking base member respectively, a certain distance is kept between the water inlets arranged on the water taking base member so as to take water from water bodies of different height layers, so that the dissolved oxygen amount in the water body obtained in the water taking base member can be relatively improved, the problem that the oxygen content in the water body at the bottom of a single river channel is lower is overcome, the water temperature of the water body obtained in the water taking base member can be improved, the temperature difference exists among the water bodies of the upper layer and the lower layer of the river channel, the problem that the water body at the bottom of the river channel flows downwards to cause aquatic organisms at the bottom of the river channel due to the fact that the water body at the upper layer of the river channel flows downwards is avoided to be greatly extracted, and the auxiliary water diversion tank is arranged on the side of the water taking base member so that the water body entering the water inlet at the lower part of the water taking base member needs to pass through the auxiliary water diversion tank, thus, the water flow energy entering the water inlet at the bottom of the water taking base member is consumed, the flow velocity is reduced, and the disturbance of water inflow to the water body at the bottom in the water taking base part, particularly the sedimentation of sand particles in the water body, is avoided.
According to one embodiment of the invention, a water inlet pipe body is arranged on a water inlet at the upper end of the water taking base member, a water diversion assembly is arranged at the outer side of the water inlet pipe body, a water diversion rotating shaft which is perpendicular to the axis of the water inlet pipe body and passes through the circle center is arranged in the middle of the water inlet pipe body, a water diversion rotating plate with the diameter smaller than the inner diameter of the water inlet pipe body is arranged on the water diversion rotating shaft, and a first water diversion connecting rod connected with the water diversion rotating shaft is further arranged at the outer side of the water inlet pipe body. The body of intaking is installed at the water inlet of water intaking substrate upper end and set up in its body and can strike rotatory diversion rotor plate along with the water, the velocity of flow of intaking that gets into the water intaking substrate to the water in the river course like this can play effective control, make its state and then the inflow flow area of adjustment water intaking body of independently adjusting the diversion rotor plate along with the speed of water velocity of flow, the control that the diversion rotor plate set up and realize the flow surface of intaking simultaneously its relative reduction gets into the interior fluid velocity of water intaking substrate, can reduce the water that gets into in the water intaking substrate and subside the disturbance to particulate matter in the water.
According to one embodiment of the invention, the water diversion assembly comprises a water diversion installation base member arranged at the top of the water taking base member, the water diversion installation base member is hollow, two ends of the hollow part of the water diversion installation base member are downwards opened, a water diversion adjusting plate body is arranged in the middle of the water diversion installation base member, a third water diversion connecting rod is hinged to the water diversion adjusting plate body, the hinged position of the third water diversion connecting rod is the middle section of the third water diversion connecting rod, a vertically arranged water diversion shaft body is arranged on the outer side of the water diversion pipe body, the top end of the water diversion shaft body is fixedly arranged on the water diversion installation base member through a water diversion fixing base, the upper end part of the water diversion shaft body is provided with a threaded section, a lifting threaded sleeve capable of moving up and down relative to the water diversion shaft body is arranged on the threaded section, a connecting and fixing member is fixedly arranged on the side surface of the lifting threaded sleeve, the connecting and fixing member is connected with one end part of the third water diversion connecting rod, the other end of the third water diversion connecting rod is hinged with a second water diversion connecting rod, and the second water diversion connecting rod is hinged with the first water diversion connecting rod. The water body in the river course gets into the in-process of intaking body and forms the impact to its inside diversion rotor plate and impels it to take place the flow area of rotation control intake body, through the mode that sets up diversion installation base member and each connecting rod at water intaking base member top, make the diversion rotor plate drive first diversion connecting rod in the rotation process in step and rotate and then drive second diversion connecting rod displacement from top to bottom and then make third diversion connecting rod both ends luffing motion, drive lift thread bush oscilaltion at the wobbling in-process, restrict the rotation frequency and the range of diversion rotor plate in the face of the water body impact in-process through above-mentioned scheme, solve this kind of plate body and continuously rotate and the too big problem that causes the water inlet difficulty in the face of the water body impact process.
According to one embodiment of the invention, a lifting pushing piece sleeved on a water guiding shaft body is arranged below a lifting threaded sleeve, fourth water guiding connecting rods are respectively hinged to two sides of the lifting pushing piece, opposite and parallel mounting planes are arranged on the side surface of the water guiding shaft body, fifth water guiding connecting rods are respectively hinged to the mounting planes, one end parts of the fifth water guiding connecting rods are hinged to the fourth water guiding connecting rods, and the other ends of the fifth water guiding connecting rods are connected with counterweight spheres. The arrangement of the counterweight sphere is used for improving the stability of the fourth water diversion connecting rod and the fifth water diversion connecting rod in water, the side of the water inlet end of the water inlet pipe body is provided with a water diversion shaft body and a fourth water diversion connecting rod and a fifth water diversion connecting rod, thus, the water flowing through the side of the water taking base part can form a certain driving force to the fourth water diversion connecting rod and the fifth water diversion connecting rod to rotate and drive the lifting pushing part to lift up and down, the fourth water diversion connecting rod in the process is used for forming a pulling force to the fifth water diversion connecting rod below the lifting pushing piece up and down, so that the opening amplitude of the fifth water diversion connecting rod is not changed, otherwise, the opening amplitude change of the fifth water diversion connecting rod can drive the up-and-down displacement change of the fourth water diversion connecting rod, the water inlet circulation area is adjusted by controlling the lifting of the lifting pushing piece through the flow velocity of the water body on the side of the water taking base piece to control the up-down lifting of the lifting thread sleeve so as to control the position state of the water diversion rotating plate.
According to one embodiment of the invention, the water inlet is provided with a filter screen plate, the filter screen plate comprises cotton ropes distributed in a snake shape, and filter screens are respectively arranged on two sides of each cotton rope. The mode of arranging the filter screen plate on the water inlet is used for performing primary filtration on water entering the water taking base part, the mesh aperture of the filter screen plate on the filter screen plate is controlled to be between 1cm and 10cm, the aim of intercepting impurities in drinking water is realized, aquatic plants, aquatic organisms, garbage bags and the like are prevented from entering the water taking base part, the impurity intercepting effect is improved by designing two filter screens, a cotton rope which is arranged in a snake-shaped bent mode is arranged between the filter screens, the upper U-shaped bent section and the lower U-shaped bent section of the cotton rope are fixed with the filter screens through silk threads, metal wires are avoided, the arrangement of the cotton rope is used for properly reducing the flow surface of the water body with through holes and performing certain filtration on the water body, particularly, the filter area is enlarged by arranging the cotton rope in a snake shape, a good intercepting effect can be realized on particles in the water body, such as sand grains, certainly under the condition that the filtering effect of the filter screen plate and the water body throughput are not influenced, the snakelike arrangement distance of the cotton ropes is controlled between 3cm and 8 cm.
Compared with the prior art, the invention has the beneficial effects that: the sand discharge hopper is respectively arranged on the surfaces of the bosses at the bottom in the water taking base member, so that sand grains in the water body in the water taking base member can be conveniently settled downwards and quickly enter the sand discharge box body through the sand discharge passage at the bottom, the sand content in the water body in the water taking base member is reduced, and the abrasion of the sand grains on subsequent water body treatment equipment is avoided.
Drawings
Fig. 1 is a schematic view of the installation position of the water intake head of the present invention in a river;
FIG. 2 is a top view of the water intake head structure of the present invention for drawing water in a river;
FIG. 3 is an internal schematic view of a water intake head structure for drawing water in a river according to the present invention;
FIG. 4 is a schematic structural view of the water diversion assembly of the present invention;
FIG. 5 is a schematic view of a bumper assembly according to the present invention;
FIG. 6 is a schematic view of the internal structure of the mounting base and the sand discharge box;
FIG. 7 is an enlarged view of a portion a of FIG. 6;
FIG. 8 is a schematic structural view of a sand discharge assembly;
FIG. 9 is a schematic view of a filter screen structure;
fig. 10 shows the sand content and the sand grain size in the water body pumped by the existing water intake head and the water intake head of the present application.
Reference numerals: 100-river channel; 200-water intake head; 10-water taking base part; 11-a flow guide part; 12-a water conduit; 13-a water inlet pipe body; 20-auxiliary water guiding tank; 30-a water diversion assembly; 31-a water diversion installation base member; 32-a water diversion rotating shaft; 33-a water diversion rotating plate; 34-a first water diversion connecting rod; 35-a second water diversion connecting rod; 36-a third water diversion connecting rod; 37-a water diversion adjusting plate body; 38-water guide shaft body; 39-a water diversion fixed base; 310-lifting thread bush; 311-a lifting pusher; 312-a fourth water diversion link; 313-a fifth water diversion connecting rod; 314-mounting plane; 315-weighted sphere; 316-connecting the fixing member; 40-a collision avoidance component; 41-water-permeable through holes; 42-a crash panel body; 43-a first crash column; 44-a rotating bearing ring; 45-a second crash post; 46-rotating blades; 50-a filter screen plate; 51-cotton string; 60-mounting a base; 61-a sand discharge hopper; 611-a flow guide; 62-a sand discharge channel; 70-a sand discharge box body; 71-a sand discharge outlet; 72-a counterweight baseplate; 80-a sand discharge assembly; 81-a sand discharge rotating shaft; 82-a sand discharge turntable; 83-a first sand removal through slot; 84-a second sand discharge through slot; 85-a first bevel gear; 86-a connection transition piece; 87-second bevel gear.
Detailed Description
The technical solution of the present invention is further described in detail below with reference to the following detailed description and the accompanying drawings:
example 1:
referring to the attached drawings 1-4 and 6-9 in the specification, the water intake head structure for guiding water in a river channel comprises:
the water taking base part 10 is arranged in a hollow way, one side of the water taking base part 10 is provided with a water inlet, the opposite side of the water inlet is provided with a water outlet, the water outlet is provided with a water diversion pipe 12, two sides of the water taking head 10 are provided with flow guide parts 11,
a mounting base 60, the mounting base 60 is arranged at the bottom of the water taking base part 10, the mounting base 60 has a boss structure and is arranged in the cavity of the water taking base part 10,
the sand discharge box body 70 is arranged at the bottom of the mounting base 60, the sand discharge box body 70 is arranged in a hollow mode in the sand discharge box body 70, and a counterweight body 72 is arranged at the bottom of the sand discharge box body 70.
The top surface of the boss is provided with an inclined plane, the inclined direction of the inclined plane is downward from the water inlet to the water outlet, the top surface of the boss is provided with the sand discharge hopper 61, the ports of the sand discharge hopper 61 are gradually reduced downwards, the surface of the inner wall of the sand discharge hopper 61 is uniformly provided with the flow guide parts 611, the flow guide parts 611 are frustum-shaped, the area of the frustum of the flow guide part 611 close to the end of the sand discharge hopper 61 is larger than that of the frustum on the opposite side of the flow guide part, the mounting base 60 is provided with the sand discharge passage 62, the sand discharge passage 62 is communicated with the sand discharge hopper 61 and the sand discharge box 70, and the two opposite sides of the sand discharge box 70 are respectively provided with the sand discharge outlet 71.
When the water intake head 200 is arranged, the water intake head is usually arranged at the bottom of the middle of the river channel 100, and when the water intake head 200 is arranged at the side of the river channel 100 when the dry period of the river channel is long or the river channel is easy to collide. The water intake head 200 is through the water inlet introduction water body in the river course of seting up in water intake base member 10 side in the water intaking process, the water body that gets into in the water intake base member 10 discharges through the leading water pipe 12 that the delivery port set up and sends into the water intake or in the pump house, consider that the water intake head 10 is placed and can receive the continuous washing of river in the river course, can cause water intake head 200 to produce unfavorable phenomena such as displacement, through the mode that sets up water conservancy diversion portion 11 in water intake head 10 both sides, reduce the washing away of water body in the river course like this, and preferably adopt concrete placement in the water conservancy diversion portion 11, improve resistant river impact effect. The edge of the boss of the mounting base 60 is fixedly connected with the bottom of the water taking base part 10, the flowing effect of the water body in the water taking base part 10 towards the water conduit 12 is improved in a mode of forming an inclined plane at the bottom in the water taking base part 10, sand grains in the water body in the water taking base part 10 can conveniently settle downwards and quickly enter the sand discharge box body 70 through the sand discharge channel 62 at the bottom in a mode of respectively arranging the sand discharge hoppers 61 on the surface of the boss at the bottom in the water taking base part 10, the sand content in the water body in the water taking base part 10 is reduced, the sand grains are prevented from being abraded on subsequent water body treatment equipment, the sand grains entering the sand discharge box body 70 are discharged out of the sand discharge box body 70 under the washing of the water body in a river channel, the water body passing through the sand discharge box body 70 has a certain flow velocity to form a certain suction force on the water body or the sand grains in the sand discharge channel 62, so that the downward movement of the sand discharge hoppers 61 and the sand discharge channel 62 can be improved, and the problem of sand discharge channel blockage can be solved, in the process that the particulate matters and sand grains in the water body in the water part 10 are taken and settled downwards to the sand discharging hopper 61 and are discharged to the sand discharging box body 70, the sand grains and the particulate matters pass through the inner wall of the sand discharging hopper 61 and the flow guide part 611, in the process of passing through the flow guide part 611, because the area of the frustum close to the end of the sand discharging hopper 61 of the flow guide part 611 is larger than the area of the frustum at the opposite side of the flow guide part, a certain pore exists at the lower part of the flow guide part 611, a release space exists when the sand grains and the water body pass through the upper part of the flow guide part 611 to reach the lower part of the flow guide part, the downward flowing speed of the water body and the sand grains is improved, a certain rectification effect is achieved for the water body with turbulence, the downward discharge of the fluid and the sand grains is further promoted, the sand grains and the particulate matters are gradually, intensively and continuously and downwards moved from top to bottom, the water body and a large amount of sand grains fall into the sand discharging box body 70, the water body at the bottom of the river channel washes the sand discharging box body 70 to bring the sand grains out of the sand discharging box body 70, and a balance weight plate body 72 is provided to improve the stabilizing effect of the sand discharge box body 70 in water.
The sand discharge outlet 71 of the sand discharge box body 70 is arranged corresponding to the water inlet and the water outlet of the water taking base part 10, the filter screen plate 50 can be arranged on the sand discharge outlet 71 of the sand discharge box body 70, the sand discharge assembly 80 is arranged in the sand discharge box body 70, and the sand discharge assembly 80 is arranged below the sand discharge channel 62. The sand discharge outlet 71 of the sand discharge box 70 can be selectively provided with the filter screen plate 50 under certain conditions, for example, under the condition that aquatic weeds at the bottom of a river channel are more, the aquatic weeds are prevented from growing into the sand discharge box 70 through the filter screen plate 50, the sand discharge box 70 is discharged for improving sand grains in the sand discharge box 70, and the sand discharge effect is improved by arranging the sand discharge assembly 80 in the sand discharge box 70.
The sand discharging component 80 comprises a sand discharging rotating shaft 81 with an axis parallel to the bottom surface of the sand discharging box body 70, one end of the sand discharging rotating shaft 81 is connected with the sand discharging box body 70 through a bearing, the other end of the sand discharging rotating shaft is provided with a connecting transition piece 86, the connecting transition piece 86 can rotate relative to the sand discharging rotating shaft 81, the connecting transition piece 86 is fixedly connected with a second bevel gear 87 with the axis vertical to the sand discharging rotating shaft 81, the end of the sand discharging rotating shaft 81 is provided with a first bevel gear 85 meshed with the second bevel gear 87, the second bevel gear 87 is connected with a coaxial sand discharging rotary disc 82, and the sand discharging rotary disc 82 is provided with a second sand discharging through groove 84 and a first sand discharging through groove 83 of a sector device. The second sand discharge through groove 84 is arranged on one side of the sand discharge rotary table 82, the first sand discharge through groove 83 is arranged on the other side of the sand discharge rotary table 82, the sector area of the first sand discharge through groove 83 is smaller than that of the second sand discharge through groove 84, the second sand discharge through groove 84 is arranged adjacently to form a similar semicircle, and the first sand discharge through groove 83 is arranged adjacently to form a similar semicircle. The sand discharge carousel 82 is rotatable relative to the coupling transition piece 86, and the coupling transition piece 86 is rotatable relative to the first bevel gear 85. The sand outlet 71 arranged on the side wall of the sand discharging box body 70 is convenient for the water body at the bottom of the river channel to circulate, the flowing water drives the sand in the sand discharging box body 70 to move so that the sand moves out of the sand discharging box body 70, the water contacts with the sand discharging rotary table 82 to push the sand in the process that the water body flows through the sand discharging box body 70, the formed pushing force enables the second bevel gear 87 to rotate relative to the first bevel gear 85, the sand discharging rotary table 82 rotates around the axis of the sand discharging rotary shaft 81 and simultaneously rotates along with the second bevel gear 87, the original mode that the rotary table body rotates around the rotary shaft is changed, the surface of the sand discharging rotary table 82 is respectively provided with the first sand discharging through groove 83 and the second sand discharging through groove 84, the contact surface of the sand discharging rotary table 82 and the water body is controlled while the weight of the sand discharging rotary table 82 is reduced so that the contact surface of the non-grooved plate body on the surface of the sand discharging rotary table 82 with the water body at the upper part of the axis of the sand discharging rotary shaft 81 is reduced in the rotation process, the sand discharging passage 62 is facilitated to discharge sand downwards, and the contact amount of the lower water body of the sand discharging rotating shaft 81 and the surface of the sand discharging rotary disc 82 is large, so that the upper water body and the medium have a downward adsorption effect, the sand discharging passage 62 is promoted to discharge sand downwards, and the blockage of the sand discharging passage 62 is prevented.
The water taking base element 10 is provided with at least two water inlets, the water taking base element 10 arranged on the side of the water inlet is provided with an auxiliary water diversion tank 20, the middle part of the auxiliary water diversion tank 20 is arranged in a hollow way and matched with at least one water inlet, and the tank surface on the upper part of the auxiliary water diversion tank 20 is obliquely arranged and provided with a water inlet through groove. The water intake speed is improved by arranging a plurality of water inlets on the water taking base member 10, certainly, water inlets can be respectively arranged at two sides of the water taking base member 10, a certain distance is kept between the water inlets arranged on the water taking base member 10 so as to take water from water bodies of different height layers, so that the dissolved oxygen amount in the water body obtained in the water taking base member 10 can be relatively improved, the problem that the oxygen content in the water body at the bottom of a river channel is lower singly is solved, the water temperature of the water body obtained in the water taking base member 10 can be improved, the temperature difference exists between the water temperatures of the water bodies at the upper layer and the lower layer of the river channel, the discomfort of aquatic organisms at the bottom of the river channel caused by the downward flow of the water body at the upper layer of the river channel due to the large amount of water body extracted at the bottom of the river channel is avoided, the auxiliary water diversion tank 20 is arranged at the side of the water taking base member 10 so that the water body entering the water inlet at the lower part 10 needs to pass through the auxiliary water diversion tank 20, and the water flow energy entering the water inlet at the bottom of the water taking base member 10 is consumed, the flow velocity is reduced, so that the disturbance of the water inlet to the water body at the bottom in the water taking base part 10, particularly the sedimentation of sand particles in the water body, is avoided.
The water inlet at the upper end of the water taking base piece 10 is provided with a water inlet pipe body 13, a water diversion assembly 30 is arranged at the outer side of the water inlet pipe body 13, a water diversion rotating shaft 32 which is vertical to the axis of the water inlet pipe body 13 and passes through the circle center is arranged in the middle of the water inlet pipe body 13, a water diversion rotating plate 33 with the diameter smaller than the inner diameter of the water inlet pipe body 13 is arranged on the water diversion rotating shaft 32, and a first water diversion connecting rod 34 connected with the water diversion rotating shaft 32 is further arranged at the outer side of the water inlet pipe body 13. The body 13 of intaking is installed at the water inlet of water intaking basic unit 10 upper end and disposes the diversion rotor plate 33 that can strike the rotation along with the water in its body, the velocity of flow of intaking that gets into water intaking basic unit 10 to the water in the river course like this can play effective control, make its state of independently adjusting diversion rotor plate 33 along with the speed of water velocity of flow and then adjust the inflow area of circulation of water of body 13 of intaking, it cuts down the interior fluid velocity of flow that gets into water intaking basic unit 10 relatively simultaneously to the control of the flow surface of intaking is realized in setting up of diversion rotor plate 13, can cut down the water that gets into in the water intaking basic unit 10 and subside the disturbance to particulate matter in the water.
The water diversion assembly 31 comprises a water diversion installation base member 31 arranged on the top of the water taking base member 10, the water diversion installation base member 31 is hollow, two ends of the hollow part are opened downwards, a water diversion adjusting plate body 37 is arranged in the middle of the water diversion installation base member 31, a third water diversion connecting rod 36 is hinged on the water diversion adjusting plate body 37, the hinged part of the water diversion adjusting plate body 37 is the middle section of the third water diversion connecting rod 36, a vertically arranged water diversion shaft body 38 is arranged on the outer side of the water inlet pipe body 31, the top end of the water diversion shaft body 38 is fixedly arranged with the water diversion installation base member 31 through a water diversion fixing base 39, and the upper end of the water diversion axis body 38 is provided with a thread section, the thread section is provided with a lifting thread bush 310 which can move up and down relative to the water diversion axis body 38, the side surface of the lifting thread bush 310 is fixedly connected with a fixing part 316, the connecting fixing part 316 is connected with one end part of a third water diversion connecting rod 36, the other end of the third water diversion connecting rod 36 is hinged with a second water diversion connecting rod 35, and the second water diversion connecting rod 35 is hinged with the first water diversion connecting rod 34. The water in the river course gets into the in-process of intaking body 13 and forms the impact to its inside diversion rotor plate 33 and impels it to take place the flow area of rotation control intake body 13, through the mode that sets up diversion installation base member 31 and each connecting rod at water intaking base member 10 top, make diversion rotor plate 33 drive first diversion connecting rod 34 in the rotation process in step and rotate and then drive second diversion connecting rod 35 displacement from top to bottom and then make third diversion connecting rod 36 both ends luffing motion, drive lift thread bush 310 oscilaltion at the wobbling in-process, restrict diversion rotor plate 33 in the frequency of rotation and the range that strikes the in-process in the face of the water through above-mentioned scheme, solve this kind of plate body and in the face of the water impact process and continue rotatory and the too big problem that causes the difficulty of intaking of rotation range.
A lifting pushing piece 311 sleeved on the water diversion shaft body 38 is arranged below the lifting threaded sleeve 310, fourth water diversion connecting rods 312 are hinged to two sides of the lifting pushing piece 311 respectively, opposite and parallel mounting planes are arranged on the side face of the water diversion shaft body 38, fifth water diversion connecting rods 313 are hinged to the mounting planes respectively, one end portions of the fifth water diversion connecting rods 313 are hinged to the fourth water diversion connecting rods 312, and the other ends of the fifth water diversion connecting rods are connected with counterweight spheres 315. The arrangement of the counterweight sphere 315 is used for improving the stability of the fourth water diversion connecting rod 312 and the fifth water diversion connecting rod 313 in water, the water diversion shaft body 38 is arranged on the side of the water inlet end of the water inlet pipe body 13, and the fourth water diversion connecting rod 312 and the fifth water diversion connecting rod 313 are arranged, so that a water body flowing through the side of the water taking base part 10 can form a certain pushing force on the fourth water diversion connecting rod 312 and the fifth water diversion connecting rod 313 to rotate and drive the lifting pushing part 311 to lift up and down, the fifth water diversion connecting rod 313 below the fourth water diversion connecting rod 312 forms a pulling force in the process of lifting the lifting pushing part 311 up and down, the opening amplitude of the fifth water diversion connecting rod 313 is not changed, otherwise, the opening amplitude change of the fifth water diversion connecting rod 313 can drive the up and down displacement change of the fourth water diversion connecting rod 312, the up and down movement of the lifting pushing part 311 is regulated and controlled by regulating the flow velocity on the side of the water taking base part 10 to control the up and down of the lifting pushing part 311 to control the up and down of the lifting threading sleeve 310 to realize the regulation of the position state of the water diversion rotating plate 33 to regulate the water circulation area state to regulate the water inflow circulation area state .
The filter screen plate 50 is arranged on the water inlet, the filter screen plate 50 comprises a cotton rope 51 which is arranged in a snake shape, and filter screens are respectively arranged on two sides of the cotton rope 51. The mode of arranging the filter screen plate 50 on the water inlet is used for performing primary filtration on water entering the water taking base element 10, the mesh aperture of the filter screens on the filter screen plate 50 is controlled to be between 1cm and 10cm, the aim of intercepting impurities in drinking water is to prevent aquatic weeds, aquatic organisms, garbage bags and the like from entering the water taking base element 10, the impurity intercepting effect is improved by designing two filter screens, a cotton rope 51 which is arranged in a serpentine shape is arranged between the filter screens, the upper U-shaped bent section and the lower U-shaped bent section of the cotton rope 51 are fixed with the filter screens by silk threads, metal wires are avoided, the arrangement of the cotton rope 51 is used for properly reducing the flow surface of water with through holes and performing certain filtration on the water, particularly, the filter area is enlarged by arranging the cotton rope 51 in a serpentine shape, a better intercepting effect can be performed on particles in the water, such as sand particles, and under the condition that the filtering effect of course, and the water throughput are not influenced by the filter screen plate 50, the snakelike arrangement distance of the cotton ropes 51 is controlled between 3cm and 8 cm.
Example 2:
the embodiment optimizes the scheme on the basis of embodiment 1 and does, see that fig. 5 shows, water intaking substrate 10 top is equipped with anticollision subassembly 40, anticollision subassembly 40 includes the second bumping post 45 of the water intaking substrate 10 top surface of vertical setting, first bumping post 43 of 45 tip grafting of second bumping post, first bumping post 43 bottom surface is equipped with the elastic component with second bumping post 45 spliced eye bottom surface, first bumping post 43 upper end is connected with the anticollision plate body 42, water through-hole 41 all is established on the anticollision plate body 42 surface, anticollision plate body 42 surface coating fluorescent paint, anticollision plate body 42 is equipped with downwardly extending plate body all around, all be equipped with water through-hole 41 on the extension plate body. The second anti-collision column 45 is sleeved with a rotating bearing ring 44, the side of the rotating bearing ring 44 is provided with a rotating blade plate 46, so that the rotating blade plate 46 can generate rotary motion relative to the water body flow, the lower part of the anti-collision plate body 42 can be pushed outwards by sediment, the upper part of the water taking base part 10 is provided with an anti-collision assembly 40 to avoid possible damage to the water taking base part 10 caused by ships and the like, when collision occurs, the elastic part between the first anti-collision column 43 and the second anti-collision column 45 is utilized to absorb collision energy, the anti-collision plate body 42 can consume the collision energy by the friction between the anti-collision assembly and the collision object, meanwhile, the surface of the anti-collision plate body 42 is coated with fluorescent paint to prompt the ship passing by the water surface to avoid collision, and the water flow resistance caused by the anti-collision assembly 10 arranged on the upper part of the water taking base part 10 is reduced by the water permeable through holes 41 arranged on the surface of the anti-collision plate body 42, and set up the extension plate body in anticollision plate body 42 side and play the guard action and avoid aquatic plants and plastic bag etc. and take place the winding between the bumping post, set up on the second bumping post 45 to the part of its bottom.
And (3) sand discharge test:
a water taking and sand discharging test is carried out by using a circulating water pump water taking head of a power plant in the prior art and the water taking head of the embodiment 1 so as to obtain the sand content in a water body and the water taking quality of two devices.
In the test process, the device is placed in a water tank, a water pump is used for continuously delivering water, sand grains with the same amount are added at the water outlet of the water pump in the water tank to simulate river sand, and finally the condition of the sand content and the sand grain size in the water body pumped out by a water taking head is shown in figure 10.
Through tests and results shown in fig. 10, the water intake head in the prior art can control the sand content in the water intake body, but the sand content is nearly doubled compared with the sand content of the water body obtained by the water intake head in the present case, and the particle size of sand particles in the water body obtained by the water intake head in the present case is less than 0.1mm, so that the water intake head has a good sand discharge effect and can effectively control the water quality of the water body.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (2)

1. A water intaking head structure for drawing water in a river course, includes:
a water taking base part (10), wherein the interior of the water taking base part (10) is arranged in a hollow manner, one side of the water taking base part (10) is provided with a water inlet, the opposite side of the water inlet is provided with a water outlet, the water outlet is provided with a water conduit (12),
the mounting base (60) is arranged at the bottom of the water taking base part (10), the mounting base (60) is provided with a boss structure and is arranged in the cavity of the water taking base part (10),
the sand discharge box body (70), the sand discharge box body (70) is arranged at the bottom of the mounting base (60) and the interior of the sand discharge box body (70) is arranged in a hollow way,
the sand discharge device comprises a mounting base (60), a sand discharge channel (62), a sand discharge hopper (61) and a sand discharge box body (70), wherein the top surface of the boss is provided with an inclined plane, the inclined direction of the inclined plane is downward from a water inlet to a water outlet, the top surface of the boss is provided with the sand discharge hopper (61), ports of the sand discharge hopper (61) are gradually reduced downward, the surface of the inner wall of the sand discharge hopper (61) is uniformly provided with a flow guide part (611), the flow guide part (611) is in a frustum shape, the area of a frustum at the end, close to the sand discharge hopper (61), of the flow guide part (611) is larger than that of the frustum at the opposite side of the flow guide part, the mounting base (60) is provided with the sand discharge channel (62), the sand discharge channel (62) is communicated with the sand discharge hopper (61) and the sand discharge box body (70), and two opposite sides of the sand discharge box body (70) are respectively provided with a sand discharge outlet (71);
a sand discharge outlet (71) of the sand discharge box body (70) is arranged corresponding to the water inlet and the water outlet of the water taking base part (10), a filter screen plate (50) can be arranged on the sand discharge outlet (71) of the sand discharge box body (70), a sand discharge assembly (80) is arranged in the sand discharge box body (70), and the sand discharge assembly (80) is arranged below the sand discharge channel (62);
the sand discharging assembly (80) comprises a sand discharging rotating shaft (81) with an axis parallel to the bottom surface of the sand discharging box body (70), one end of the sand discharging rotating shaft (81) is connected with the sand discharging box body (70) through a bearing, the other end of the sand discharging rotating shaft is provided with a connecting transition piece (86), the connecting transition piece (86) can rotate relative to the sand discharging rotating shaft (81), the connecting transition piece (86) is fixedly connected with a second bevel gear (87) with the axis perpendicular to the axis of the sand discharging rotating shaft (81), the end of the sand discharging rotating shaft (81) is provided with a first bevel gear (85) meshed with a second bevel gear (87), the second bevel gear (87) is connected with a coaxial sand discharging rotary table (82), and the sand discharging rotary table (82) is provided with a second sand discharging through groove (84) and a first sand discharging through groove (83) of a sector device;
at least two water inlets are formed in the water taking base piece (10), an auxiliary water diversion tank (20) is arranged on the water taking base piece (10) on the side of the water inlet, the middle part of the auxiliary water diversion tank (20) is arranged in a hollow mode and is matched with at least one water inlet, and a water inlet through groove is formed in the upper tank surface of the auxiliary water diversion tank (20) in an inclined mode;
a water inlet pipe body (13) is arranged on a water inlet at the upper end of the water taking component (10), a water diversion assembly (30) is arranged on the outer side of the water inlet pipe body (13), a water diversion rotating shaft (32) which is perpendicular to the axis of the water inlet pipe body (13) and passes through the circle center is arranged in the middle of the water inlet pipe body, a water diversion rotating plate (33) with the diameter smaller than the inner diameter of the water inlet pipe body (13) is arranged on the water diversion rotating shaft (32), and a first water diversion connecting rod (34) connected with the water diversion rotating shaft (32) is further arranged on the outer side of the water inlet pipe body (13);
the water diversion assembly (30) comprises a water diversion installation base member (31) arranged at the top of the water taking base member (10), the water diversion installation base member (31) is hollow, two ends of the hollow part are downwards opened, a water diversion adjusting plate body (37) is arranged in the middle of the water diversion installation base member (31), a third water diversion connecting rod (36) is hinged to the water diversion adjusting plate body (37), the middle section of the third water diversion connecting rod (36) is hinged to the water diversion adjusting plate body (37), a vertically arranged water diversion shaft body (38) is arranged on the outer side of the water inlet pipe body (13), the top end of the water diversion shaft body (38) is fixedly connected with the water diversion installation base member (31) through a water diversion fixing base (39), a thread section is arranged at the upper end of the water diversion shaft body (38), a lifting thread sleeve (310) capable of moving up and down relative to the water diversion shaft body (38) is arranged on a fixing part of the thread section, and the side surface of the lifting thread sleeve (310) is fixedly connected with the water diversion mounting base member (316), the connecting fixing piece (316) is connected with one end part of a third water diversion connecting rod (36), the other end of the third water diversion connecting rod (36) is hinged with a second water diversion connecting rod (35), and the second water diversion connecting rod (35) is hinged with the first water diversion connecting rod (34);
the lifting spindle is characterized in that a lifting pushing piece (311) sleeved on a water diversion spindle body (38) is arranged below the lifting threaded sleeve (310), both sides of the lifting pushing piece (311) are respectively hinged with a fourth water diversion connecting rod (312), opposite and parallel mounting planes are arranged on the side surface of the water diversion spindle body (38), fifth water diversion connecting rods (313) are respectively hinged on the mounting planes, one end parts of the fifth water diversion connecting rods (313) are hinged with the fourth water diversion connecting rods (312), and the other ends of the fifth water diversion connecting rods are connected with counterweight spheres (315).
2. A water intake head structure for directing water in a waterway according to claim 1, wherein: the water inlet is provided with a filter screen plate (50), the filter screen plate (50) comprises a cotton rope (51) which is arranged in a snake shape, and filter screens are respectively arranged on two sides of the cotton rope (51).
CN202011023940.4A 2020-09-25 2020-09-25 Water intake head structure for guiding water in river channel Active CN112267524B (en)

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CN115217186B (en) * 2022-06-06 2024-05-24 中建八局第二建设有限公司 Sponge city protection ecological efficient river water intake facility and construction method

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CN2118089U (en) * 1992-05-08 1992-10-07 乐山市环保设备厂 Saw tooth shaped head part of obtaining water
CN206800511U (en) * 2017-03-16 2017-12-26 中国市政工程中南设计研究总院有限公司 Two-way water inlet, ramp type water-fetching head
CN108374450A (en) * 2018-03-01 2018-08-07 中国五冶集团有限公司 A kind of water intake in river
CN210946723U (en) * 2019-10-31 2020-07-07 周口市川汇区水政监察大队 Water conservancy project's choked flow wall of anti water current impact
CN211368867U (en) * 2019-11-27 2020-08-28 楚雄欣源水利电力勘察设计有限责任公司 Water intake device for mountain river

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