Device to remove dirt from irrigating channels
SUBSTANCE: device includes an elastic cloth installed across the flow. The elastic cloth is made as meshed according to shape and size of the flow and is fixed to the frame. The frame is installed on a rotary crosspiece, which has a drive. At the same time the frame comprises a rotary axis parallel to the direction of the flow with the possibility of frame rotation with the elastic cloth perpendicularly to the direction of the flow and fixation of the frame in the necessary position. At the side part of the crosspiece there is a loading cart for removal of dirt.
EFFECT: increased quality of irrigating water treatment, simplified design and reduced energy intensity of treatment.
The invention relates to hydraulic structures and can be used to remove contaminants from the bed of irrigation canals.
A known method of purification of channels, including cutting trees and shrubs and weeds along the berms and slopes of irrigation canals, removal of cut vegetation and treatment of stumps and stubble after cutting, while before processing stumps of bushes and stubble of weeds removal of cut vegetation with berms and slopes produce a water wash on the bottom of the channel, stumps and stubble is milled at a minimum acceptable height, shredded fraction, silt, mineral and other rubbish wash on the bottom of the channel, raise the water level in the channel 1/4...1/3 of its height and discharge, a large fraction extracted from the surface of the protective gratings, and the fine fraction catch mesh nets (RU, patent for invention №2270290 C1 IPC EV 3/02, EV 15/00).
The disadvantages of this method include the difficulty of execution, low quality water purification, washing away the dirt on the bottom of the channel, the possibility of destruction of slopes under the water wash.
A known method of purification of channels, including cutting trees and shrubs and weeds along the berms and slopes of irrigation canals, removal of cut vegetation and treatment of stumps and stubble after cutting, while re the treatment of stumps of woody shrubs and stubble of weeds removal of cut vegetation with berms and slopes produce a water wash on the bottom of the channel, stumps and stubble is milled, leaving their height 4...6 cm, crushed fraction, silt, mineral and other rubbish wash on the bottom of the channel, the water level in the channel up to 1/4-1/3 of the height of the channel and drop a large fraction extracted from the surface of the protective grilles and small fractions catch mesh nets (RU, patent for invention №2280127 C2, IPC EV 3/02).
The disadvantages of this method include the difficulty of execution, low quality water treatment, the possibility of destruction of slopes under the water wash, the repetition of operations, increased energy intensity.
A device to clean the sediment beds of rivers and canals, containing the actuator, the hydraulic Ripper sediments and the mechanism of its movement, the actuator is made of at least one water wheel pump, feed water in line for erosion of sediment, associated with the shaft gear mounted on the shaft of the water-wheel, and mechanism for moving hydraulic Ripper sediment is supplied mounted on a support movable frame with two stops fixed frame with two stops and a plate fixed on the axis in the moving frame and alternately resting on stops moving and stationary frames to move hydraulic Ripper sediment type fishtail (RU, patent for invention №2395640 C1 IPC EV 3/02).
the disadvantages of this device include the complexity of the design, low quality water treatment, high energy.
Known control device, including installed across the flow of elastic cloth, the upper edge of which is attached to the float, and the lower edge does not reach the bottom and equipped with a cargo attached to the floating means, the float with the help of braces attached to the supporting rope, both ends of which is connected to a floating facility, the cargo is also connected by cables to a floating tool (RU, patent for invention №2291930 C1 IPC EV 3/02).
The disadvantages of this device include the inability to discharge the collected sediment transport means for removal, a significant increase in the flow resistance in the channel, no chance of contamination throughout the cross section of the channel and their uniform distribution on the panel.
This control unit is adopted us as the nearest equivalent.
The problem to which the invention is directed, - improving the quality of clean irrigation water, simplifying the design, reducing the intensity of treatment.
The technical result improved quality cleaning of irrigation water and the reliability of irrigation machines.
This technical result is achieved in that the device d is I remove contaminants from irrigation canals, includes installed across the flow of elastic cloth, according to the invention the elastic cloth is made of a mesh shape and size of the stream and secured to the frame, installed on a rotary spider having an actuator, the frame has a rotary axis parallel to the direction of flow can be rotated frame with elastic panel perpendicular to the flow direction and fixing the frame in position, at the side of the crosses provided by the shipping truck to remove the dirt.
Conducted by the Applicant's analysis of the prior art, including searching by the patent and scientific and technical information sources and identify sources that contain information about the equivalents of the claimed invention, has allowed to establish that the Applicant is not detected similar, characterized by all the features of the claimed invention. Therefore, the claimed invention meets the requirement of "Novelty" under the current law.
The invention is illustrated by drawings.
Figure 1 shows a device for removing contaminants from irrigation canals, side view.
Figure 2 - the same, top view.
Figure 3 is a side view with a raised panel.
Figure 4 is a front view in the process of removing contaminants from a panel.
Information confirming the possibility Rea is Itachi of the claimed invention, are the following.
Device for removing contaminants from irrigation canals is set on the banks of the 1 irrigation canal and includes a rotatable crossbar 2, mounted on the axis 3. Perpendicular to the axis 3 are pivoted axis 4, allowing for rotation of the armature 5 with elastic panel 6 perpendicular to the direction of flow. On the opposite side of the frame 5 rests on the tabs 7. To drive the rotary yoke 2 and the frame 5 is provided a driving device 8. At the side of the yoke 2 is provided by the shipping cart 9.
Device for removing contaminants from irrigation canals is fixed to the shores of the 1 channel and has the ability to rotate on the axis 3.
When lowered into the bed of the frame 5 pollution kept mesh panel 6 and the intake enters the treated irrigation water.
As soon as the amount of pollution begins to cause flow resistance, activates the actuator rotation of the spider 2 and contaminated cloth 6 out of the stream and the frame 5 is installed in a horizontal position. The remediation will be conducted in the following frame with a clean cloth 6.
Raised in a horizontal position, the frame 5 is rotated to the vertical position and angle needed to remove the dirt from the cloth 6 (figure 4). is ugrasena loaded into the truck 9 and removed for use in fertilizers.
The use of a rotary frame with mesh panel installed on the d-pad, provides quality cleaning of irrigation water, simplifies the design and reduces the consumption of cleaning.
Device for removing contaminants from irrigation canals, including installed across the flow of elastic cloth, characterized in that the elastic cloth is made of a mesh shape and size of the stream and secured to the frame, installed on a rotary spider having an actuator, the frame has a rotary axis parallel to the direction of flow can be rotated frame with elastic panel perpendicular to the flow direction and fixing the frame in position, at the side of the crosses provided by the shipping truck to remove the dirt.
SUBSTANCE: water intake contains base or platform, housing and trash screen at its ends. The platform if formed and housing is fixed to its upper surface. Then at least one screen is installed so that inner space embodies platform with housing and screens at the bottom of water source. Outlet of the housing is connected to pipeline. Water intake forms half cylinder at the platform. Anchors can fix edges of water intake to the upper surface of platform. The base can have barrier placed at its one end. Each of screens is installed to the platform near the housing and forms half cylinders. Each screen forms inner cavity communicated with inner hollow space of the housing. Each first and second screens contain a lateral wall, closed distal end and open proximal end fixed to the housing. Closed distal ends have end walls. Water intake can have intermediate walls located between inner space of the housing and inner space of screens. In each transient wall there's at least one flow modifier. Flow modifiers together with platform form half cylinder. Water intake can have a collector placed in screens. Screen structure can include ribs located along screen length. It can also have wire located across ribs.
EFFECT: increasing protective efficiency of screens from silts and providing uniformity of flow distribution along surface area of screens.
28 cl, 16 dwg
FIELD: engines and pumps.
SUBSTANCE: method includes installation of a shield controller 4 and a threshold in a channel. The shield controller 4 is installed at the outlet of a transition section 1, placed between supply 2 and transit 3 channels. In the lower part of the shield controller 4 there is a flush hole 5. At the inlet of the receiving chamber there is a flat shield in the form of an overflow threshold with a drive 14 with capability of vertical displacement. Flow energy redistribution is carried out by displacement of the flat shield. A jet-guiding threshold is made from two sections in the form of a curvilinear and rectilinear 18 one in the vertical direction of walls, providing for the jet-guiding system and kinematically connected with the overflow threshold. The curvilinear wall is installed on the axis 13 as capable of rotation. Installation of the jet-guiding system, movable in vertical and horizontal planes and connected with the movable overflow threshold, placed at the side of the lateral wall of the receiving chamber, provides for concentration of sediment flushing in direction of the flushing hole 5 of the shield controller 4 and further into the transit channel 3.
EFFECT: increased reliability in operation by means of lower impact at a control accessory of bottom and suspended sediments contained in water.
5 cl, 4 dwg
SUBSTANCE: system comprises a settling chamber 1 with a flushing gallery placed between the supply 2 and drainage 3 sections of the channel. The chamber is made with rising side slopes 21, in the lower part of which there is an inlet hole 4 of the flushing gallery 5. The system also comprises a centrifugal clarifier made in the form of cylindrical chambers 6 and 7. The bottom of the chamber 6 is made as inclined towards the central flushing hole. The chamber 7 is placed inside the vertical chamber 6. At the inlet to the settling chamber 1 there is a flat sluice gate 23 with a curvilinear screen 24. The flushing gallery 5 adjoins with its inlet to the inlet at the outer side of the cylindrical chamber 6 and is placed inside the chamber 7, equipped by additional nozzles. The second nozzle 13 is made in the form of an attachment 12 with a flow swirler and with development of a directed water flow connected to a source of discharge water pipeline, and is placed as coaxial to the vertical axis of the flushing drainage pipeline. The lower edge of the internal cylindrical chamber 7 is arranged above the bottom of the external cylindrical chamber 6. The inlet end wall of the flushing gallery is equipped with a horizontal screen 20.
EFFECT: simplified design and higher efficiency of water intake protection against ingress of bottom sediments and floating debris.
2 cl, 2 dwg
FIELD: hydraulic equipment, particularly mechanical equipment for hydraulic structures, namely heat power plants, atomic power plants and hydroelectric power plants, to protect underwater structure parts from unauthorized access in supply and discharge channels thereof.
SUBSTANCE: protective grid comprises vertical rods and connecting members. Two-level control system is arranged in the grid. One level comprises two independent signaling circuits. The first circuit is arranged in vertical rods shaped as vertical hollow pipes in which contact signaling means wire provided with sensors is arranged. The sensors are located in upper horizontal pipe of independent section. Wires of contact signaling means and sensors are united to form common cable. Wires of contact signaling means formed in the second circuit are located in two extreme hollow pipes and connected with two or more water sensors located in lower horizontal pipe. Lower horizontal pipe and upper horizontal pipe are communicated with all vertical hollow pipes. Common cable of the first circuit and wires of the second circuit are led out and connected to sound and light alarm of the grid and to operator's console. Another level has portable television probe adapted to perform vision-based monitoring and to determine quantity and qualitative characteristics of detected deformations. The television probe may slide along guiding means, for instance along rings. The grid may be installed in slots of hydraulic structure and may be displaced in horizontal direction by hoisting device. Upper and lower horizontal pipes, as well as vertical hollow pipes may be U-shaped or linear and are formed of round or elongated profile. Connecting member may be formed as solid horizontal plate or have hollow ellipsoid shape adapted to receive additional contact signaling means wires.
EFFECT: increased operational reliability, increased accuracy of deformation location and type.
4 cl, 4 dwg
FIELD: hydraulic engineering.
SUBSTANCE: invention relates to devices for taking water from surface sources and it is designed to provide protection of diversion facilities from slush ice. Proposed device contains three-dimensional filtering cassettes installed in guide of slot structure of intake port of submerged water intake head of diversion facility consisting of metal rectangular frame with filtering plastic tubes tightly fitted in slots on inner side. Plastic tubes are made truncated along their generatrices on secant line of base of corresponding filtering plastic tube. Chord of secant line of base of filtering plastic tubes is either equal to or non- equal to outer diameter of tubes, and dimensions of metal rectangular frame are multiple of said chord. Truncated filtering plastic tubes can be installed in metal rectangular frame in slots on inner side, either vertically or horizontally, being interconnected by hydraulic insulating material.
EFFECT: provision of effecting protection of diversion facilities from slush ice.
4 cl, 2 dwg
SUBSTANCE: device includes a manifold pipe having many holes made in its wall at a certain distance from each other, a suction pump, a suction pipe, one end of which is connected to the suction pump and an assembly of a suction head. The suction head assembly is connected to the other end of the suction pipe and is capable of moving in a sliding manner along the manifold pipe from one of its ends to the other. The suction head assembly includes a head section of the housing, which is spatially remote and connected to a rear section of the housing, which has a through axial hole interconnected with the suction pipe. Head and rear sections of the housing fill a considerable part of the manifold pipe during operation and form a suction zone between themselves of such length that at least one hole can be open at location of the suction head assembly at certain positions along the manifold pipe. The method is implemented by means of a device for removal of slurry and consists in installation at the bottom of a sediment tank or a pond of a manifold pipe, connection of the suction pump to one end of the suction pipe, connection of the suction head assembly to the other end of the suction pipe by means of a through axial hole in the rear section of the housing. After that, the suction head assembly is introduced into an open end of the manifold pipe. Besides, front and rear sections of the housing considerably fill the manifold pipe and form a suction zone between them of such length that at least one hole can be open in any position along the manifold pipe. The suction head assembly is moved through the through holes of the manifold pipe at subsequent passage of the working suction pump above holes in the manifold pipe wall.
EFFECT: improving slurry removal efficiency.
21 cl, 6 dwg
SUBSTANCE: method to raise a water level in small watercourses after dredging works includes erection of a retaining dam upon completion of dredging works. The main dam body is created from soil. At least one flexible concrete mat is arranged in the outer part of the dam. The height of dam is by 10÷80% less than the height of the dredged riverbed wall. The second version of the method includes erection of a cascade of retaining dam. The second dam of the cascade is erected by 0.1÷0.3 m below at the elevation from the sea level. To erect a retaining dam, dredging works are carried out in separate sections of the riverbed. The distance between sections is selected as equal to the width of the main dam body. Then the height of the main dam body is adjusted, and it is coated with a flexible concrete mat. The retaining dam comprises the main body. The outer part of the dam comprises at least one flexible protective mat. The flexible concrete mat comprises concrete blocks connected to each other row-by-row and within with a gap by flexible elements. The mat comprises an anti-suffosion element and/or elements for complete closure of gaps between all concrete blocks or between their part. The width of gaps between at least 75% of the blocks in the mat makes from 1 mm to 25 mm in the length of at least 80% of the dimensional length of blocks adjacent to each other. Concrete blocks have height from 50 mm to 350 mm.
EFFECT: raising water level in small watercourses after dredging works, simplified dam design, increased manufacturability of its creation, high extent of protection of a soil main body of the dam.
22 cl, 8 dwg
SUBSTANCE: method includes using a pulp from a water source bed for dam erection. At the same time to erect a dam they use pulp-filled tubes from semipermeable material of prismatic section, which are laid along the river bed. A sludge pond is arranged behind the dam. Coastal landscapes are recovered by cleaning of the water bed from anthropogenic bottom sediments, river water content increases, which protects against impact of high water and helps to develop a feed base for fishery. The method makes it possible to perform works regardless of landscape features. Degraded flood-plain lands gain stability, and it becomes possible to change them into a class of the ones suitable for agricultural activity.
EFFECT: protection of coasts and recovery of coastal landscapes of rivers.
FIELD: process engineering.
SUBSTANCE: proposed method comprises washout of sediments by water jets to carry fine fractions over by flow and strengthening waterway bottom by coarse fractions forming riprap. Velocities of washout and carryover sediments in continuous blow with stream are created by in-channel basin displacing in blow. Said in-channel basin is formed by device acting as water-retaining construction of variable geometry. Proposed method is implemented using the device composed of horizontal web with ballast arranged thereon connected with pressure web by ropes to make water passage there between and provided with balloons secured along said passage on said web and adjusted by filler. Opening of said passage is adjusted by moving web. The latter is secured by stabilising rings to ropes, pressure web and directly to balloon and horizontal web by ropes via said guide rings. Device displacement in blow direction id effected by varying balloon filler volume. Said balloon has inner rope diaphragm tightening it above central part and is installed on horizontal web at the point of fastening to control rope guys locating the device on waterway bed.
EFFECT: higher efficiency of washout.
4 cl, 8 dwg
SUBSTANCE: cable assembly includes a frame-lifting and swing winches with programmable winding of ropes onto drums rotated with angular speed, which is directly proportional to lengths of wound cables, blocks on the frame-lifting boom of the suction dredge and life ropes with roller carriages arranged on canal shores in parallel to its longitudinal axis. The device is also equipped with a follower cable, branches of which via blocks on the frame of the snapper and the frame-lifting boom of the suction dredge are connected to the frame-lifting winch arranged in the form of two drums arranged on one shaft synchronised with a reversible programmable drive, and are fixed to life cables perpendicularly to the longitudinal axis of the canal with the help of roller carriages. Roller carriages are equipped with fixators, with which roller carriages of swing winches are also equipped.
EFFECT: by control of snapper position in a canal section in connection with suction dredge displacement along the canal axis, the specified curvilinear underwater cross section of the canal is formed, which corresponds to the stable bed of the canal, and production of works is simplified.
SUBSTANCE: road 5 is cleaned for vehicles. Temporary weird 9 is arranged upstream of pond source to retain inflowing water. Then, water is drained from pond via flat gate of gatewell 3 or by siphon piping 10. As water level decreases and for uniform laying of ice 11 on silt 12 nearby bank, through saw cuts 13 are made on ice 11 by chainsaw depending on water depth. Note here that saw cut length equals 1 m and spacing between saw cuts varies from 5.0 to 10.0 m, distance ℓ from bank makes where H is water depth, δ is ice thickness, while α is bank slope. Water drained from pond, ice 11 is uniformly laid on slit 12. Then, slit 12 of sapropel is excavated. Cleaning is started from pond source top 8. Chainsaw is used to cut ice lumps. Mechanical shovel 14 loads slit on dump-truck to deliver on platform for it to be frozen-defrosted.
EFFECT: higher efficiency of cleaning.
2 cl, 4 dwg
SUBSTANCE: method includes erection of bulkhead structures 4 with discharge openings 5 at river bed 1. At that water is accumulated in ponds and water reservoirs at level higher than location of bulkhead structures 4 by opening of discharge openings 5 in structures 4. Bulkhead structures 4 are created by ice-cakes freezing in winter period in pits 3 made in silty areas 2 in autumn. Space under ice-cake serves as discharge opening 5. At that ice-cake 4 cis shifted by water flow along the stream until it thrusts into soil and rises at bottom height. Ice-cake 4 creates water accumulation in volume and water head down-stream. At areas where river made meanders pit 3 is made with entry to side of river bed straightening with calculation of intense flow channel closure by ice-cake 4 towards old river bed. Straightened section will create cut-off meander 7.
EFFECT: method allows recovery of natural river bed, preservation of ichthyofauna and reduce consumption of resources.
SUBSTANCE: method of ice crust formation includes development of a dam across a river and arrangement of ice holes above the dam along the river flow. The dam is made in a narrow area of the river with erosion-resistant shores by means of stakes driving-in across the river channel. In winter an ice hole is arranged, and straw, ice pieces, stones wrapped into polyethylene film are laid under ice to create a dam. Arriving water floods shores and forms ice crust.
EFFECT: invention makes it possible to reduce material intensity and to simplify process of structure erection.
SUBSTANCE: device comprises a pump that feeds water to wash sediments to a hydraulic ripper, a hydraulic ripper, two soil pumps, a hydraulic cyclone, suction and injection pipelines. The drive of all pumps is arranged in the form of water wheels with a transmission gear. The hydraulic ripper is installed in the jacket. A suction line of one soil pump is connected to the jacket, and its discharge line is connected to the body of the hydraulic cyclone tangentially. The body of the hydraulic cyclone in the upper part is equipped with water discharge holes, and in the lower part - with a discharge pulp line. The pulp line is connected to the other soil pump, which transports the condensed part of the pulp for further evacuation.
EFFECT: reduced power inputs for cleaning of river and canal beds from sediment load.
SUBSTANCE: method to clean river and canal beds from sediment load includes cutting and grinding of bottom sediments with a cutting toll with exposure of sediments to water, and their subsequent evacuation. At the same time a water wheel under impact of the water flow rotates the cutting tool. During rotation of the cutting tool, bottom sediments are cut, ground and circularly moved, which causes occurrence of centrifugal forces, which take sediments and water away from the grinding zone, and underpressure that sucks water through water inlet holes into a zone of active grinding of cut sediments, and their stirring-up. The discharged pulp is washed with the water flow downwards along with the flow. The device for cleaning of river and canal beds from sediments comprises a drive and a cutting tool. At the same time the rotation drive of the cutting tool is arranged in the form of the water wheel joined to the cutting tool arranged in the form of a disc. Water inlet holes are arranged in the central part of the disc. Cutting elements are installed on the disc according to configuration of working blades of the centrifugal wheel.
EFFECT: reduced power inputs for cleaning of river and canal beds from sediment load.
2 cl, 1 dwg
SUBSTANCE: method comprises the construction of the dam in which body the pipe culverts are placed inclined to the horizon in the direction of the water course, which inlet pipes are mounted at an angle to the river bed, and the dredging in front of the dam in the form of water-settling pit. In the water track downstream from a potential source of negative impact a permanent waterlock is created. At the bend of the pipe culvert above the dam level a plunger-valve is mounted, which cross section is 10-15% of the pipe cross-section. The inlet of the pipe is protected by the filter and the outlet - by a grid. At the outlet end an antierosion tray is placed, equipped with a small spring-board. The dimensions of the pit is calculated considering the time of layering of water-oil emulsion according to the formula: where L is length of the pit, m; Q3 is water flow in a water-settling pit, m3/sec, Q3=Q1; Q1 is water flow in the water course, m3/sec; F3 is the cross section of the water-settling pit, m2; t is time of layering of water-oil emulsion, sec; a3 is the width of the pit bottom, m; c3 is the pit width by the water edge, m; H is the dam height, m; h1≥0.5 is dam height above the maximum water level in the pit, m; hp=H-h1 is the pit depth, m. The protective waterwork, resulting in the process of implementation of the method comprises the dam with the pipe culverts placed in its body and the plunger-valves mounted on them from the side of the water inflow and a water-settling pit in front of the dam for collecting water with waterproof walls. At the outlet end of the pipe an antierosion tray is placed equipped with a small spring-board. The upper end of the plunger-valve is made bent down and is located on a bend of the pipe above the level of the dam. The inlet opening of the pipe is equipped with an inlet pipe which lower diameter is 150-200 % of the pipe cross-section. On the inlet opening of the pipe the filter is installed, made in the form of a removable convex grid coarse-meshed dome, and the outlet opening of the pipe is protected by the grid. The grid mesh size of the outlet opening is made greater than the mesh size of the grid filter of the inlet opening.
EFFECT: increased reliability and efficiency of protection of hydrological net from extreme oil pollution in emergency situations in the pipeline transport.
2 cl, 1 dwg