Complex fish protection device
SUBSTANCE: complex fish protection device includes at least one flow developer with nozzles that is positioned horizontally, or vertically, or horizontally and vertically at the same time. Each separate flow developer can be installed on any horizon and in any section line of a water source. The number of nozzle rows in each separate flow developer, and the number of nozzles in each individual row can be from 1 or more and vary within the same device. The installation angle and the nozzle diameter of each individual nozzle can be any and vary within the same device. The device includes an electric screen consisting of 1 or more cassettes, on which electric current is supplied, forming an electric field. Each individual electric screen cassette is represented by a set of plates, or bars, or rods, or a mesh fabric, made of electrically conductive material, which may have the vertical, horizontal or sloping arrangement, the rectilinear, curvilinear, or zigzag shape. The number of plates, or bars, or rods in each individual cassette of the electric screen can be from 2 or more and vary within the same device. The installation pitch and the inclination angle of the plates, rods or rods, the dimensions of the mesh fabric cells in each individual cassette of the electric screen can be any and vary within the same device. Each individual cassette of the electric screen can be installed on any horizon and in any section line of the water source. Wherein the cathode can be represented by one or more cassettes of the electric screen, and all the remaining or some of the remaining cassettes of the electric screen become anodes. Alternatively, each subsequent or several subsequent cassettes of the electric screen, or through one cassette or group of cassettes of an electric screen, or in staggered order, can become a cathode.
EFFECT: improving the operation efficiency of the device, reducing the probability of fish and debris entering the water intake, creating optimal hydraulic conditions for the transit flow, ensuring the removal of fish from the water intake area, reducing the probability of bigger fish entering the water intake.
3 cl, 27 dwg
SUBSTANCE: invention relates to hydraulic engineering, namely to fish protection apparatuses, and is designed to protect juveniles and full-grown fish during the water intake. Fish protection apparatus comprises a receiving chamber 1, mesh fence, cleaning tool with brush 11, fish diversion tool and fish pump. Housing 15 of the fish pump is formed as two truncated cylinders. In each of the two truncated cylinder hollow cylinders 16 with a vertical rotating shaft are eccentrically mounted with a clearance. With that, one cylinder 16 rotates clockwise, and the other one counterclockwise. Suction chamber 1 is made in the form of two helical sections 3 with the central dividing wall 2. In each of two sections 3 mesh fences are installed made as mesh cylinder 6 with a vertical rotating shaft. With that mesh cylinders 6 rotate in the direction of the receiving window 7 of the fish diversion device located at the junction of the wall of the helical chamber 8 and the central dividing wall 2. Cleaning device with brush 11 is permanently installed near the receiving window 7 of the fish diversion device. The reception window area 7 of the fish diversion device is adjacent to the lateral surface of the mesh cylinder 6. Receiving window of the fish diversion apparatus 7 is connected to the receiving pipe 12 of the fish pump. Outlet pipe 13 of the fish pump is connected to the pipe 14 of the fish diversion apparatus.
EFFECT: efficient collection and removal of juvenile and full-grown fish into fish diversion apparatus is ensured.
FIELD: engines and pumps.
SUBSTANCE: pump plant is composed of exposed or closed inclined or stepped flute or channel 1 connecting upper and lower sections. Crosswise vertical separation walls 2 making the ejector-type pump plant chambers 3 are arranged inside said flute or channel 1. Separation wall 2 has through opening 4, rectangular, square or round in shape, provided with deflector screen. Note here that the latter is arranged inside separation wall 2 of pump plant chamber. Note also that said deflector screen shielding walls are composed of faces 5 of the outlet of through hole 4. Jet-forming nozzles 6 are arranged inside through hole 4 outlet part and over its perimeter. Note that said nozzles are arranged parallel with the plane adjacent shielding wall 5 of deflector screen and parallel with or at the angle to axis of through hole 4. Systems of jet-forming nozzles 6 are connected with dispensing manifolds 7 arranged inside crosswise vertical separation walls 2. Said dispensing manifolds 7 are connected with pumps 8 connected, in its turn, by draw-off pipelines 9 with the plant lower chambers 3.
EFFECT: minimum power per unit volume of transferred fluid, improved ecology.
FIELD: motors and pumps.
SUBSTANCE: rotary fish pump 1 comprises a cylindrical housing 8 with a suction 10 and delivery 11 nozzles, a rotor 17. The cylindrical housing 8 consists of two compartments in the form of vertically truncated circular cylinders. The cylinders abut with their truncations to the vertical dividing partition 9. Along the line of the dividing partition 9 to the housing 8 the suction 10 and delivery 11 nozzles are embedded. In each compartment of the cylindrical housing 8 the rotors 17 are eccentrically placed. The rotors 17 are made in the form of circular hollow cylinders with a vertical shaft 18. One rotor rotates counterclockwise and the other - clockwise. In the gap between the rotor generator 17 and the input end of the delivery nozzle 11, a sealing device in the form of a cylinder 23 with a vertical shaft 24 is mounted. The side surface of the rotors 17 can be covered with a film, such as a rubberised material. The sealing device can be manufactured, for example, from soft rubberised material.
EFFECT: increased efficiency of operation of fish pump and reduction of damage to fish.
3 cl, 3 dwg
SUBSTANCE: first version of a fish screen includes an electronic control unit and a single-row system of current conducting electrodes, in which separate electrodes or electrodes combined into sections are placed horizontally. The second version of a fish screen includes an electronic control unit and a single-row system of current conducting electrodes, in which separate electrodes or electrodes combined into sections are flexibly. Flexible current-conducting electrodes look like a soft bared wire or chain with a bared core stretched via its links with a copper tinned mat placed on it and have arched arrangement with different extent of sagging. In both versions current-conducting electrodes may be arranged at different depths. Each separate electrode or each section of electrodes in turns becomes a cathode, and the anode will be remaining electrodes or electrode sections.
EFFECT: minimisation of negative impact of electric field at pump equipment of a pump station, simplified regular visual inspection and maintenance of a device, increased reliability, operability and efficiency of device operation.
2 cl, 6 dwg
SUBSTANCE: electrode section is made as a flat structure, it consists of horizontal and vertical electrodes. The section is divided into 2 and more electrodes vertically and horizontally the section includes 1 and more electrodes. Diameter of the horizontal and vertical electrodes is not less than 10 mm, length of each electrode is more than 1m, and distance between the electrodes is not less than 0.05 m. Voltage is supplied either to horizontal or vertical electrodes only or to horizontal and vertical electrodes simultaneously.
EFFECT: more uniform structure of the electric field, increase in operational efficiency of the device without essential increase in the structure volume, improvement of operational reliability and efficiency of the device.
SUBSTANCE: invention relates to the field of fishing industry and can be used for direct displacement of fish, mainly for fencing areas of fish aggregation or trails of their displacement from getting fish to water intake. The combined double circuit protection device consists of double circuit screen and is equipped with a current-maker. The filter water intake screen consists of two circuits. The first circuit of the screen is a set of at least two current-making plates located at an angle of from 1° to 179° to the filter surface of the second circuit of the screen. At that the individual plates as part of the first circuit of the screen can have a different angle of location with respect to the filter surface of the second circuit of the screen. The height of each plate of the first circuit of the screen and the distance between the individual plates of the first circuit of the screen can be arbitrary or different within the first circuit of the screen. The second circuit of the screen is a set of at least two plates located one behind the other at an angle from 0° to 90° to the water intake flow. And the shape of the filter surface of the second circuit of the screen can be arbitrary. The height of the plates of the second circuit of the screen and the distance between them can be arbitrary. The plates of the first circuit of the screen are located at an angle of 1° to 90° to the plates of the second circuit of the screen. The plates of the first circuit of the screen to the plates of the second circuit are made in the form of a single structural element, namely a reinforcement rib of the first and the second circuits of the screen, or mounted permanently and rigidly fixed on the surface of the second circuit of the screen, or mounted on the surface of the second circuit of the screen by the hinge joint. Between each two adjacent plates of the first circuit of the screen and the filter surface formed by the plates of the second circuit of the screen the fish divertive chute is formed.
EFFECT: enhanced efficiency of the device operation under conditions of the presence of currents of alternating directions at great speeds is provided.
SUBSTANCE: complex fish-protection structure of guard and guide action comprises a horizontal element - a stationary structure in the form of a horizontal slab and a behavioural guide element (a screen). The horizontal slab adjoins a water intake structure and forms a gallery, through which the water intake flow moves into the water intake. The horizontal slab separates the flow into its upper and lower parts and creates a zone in the upper part, which does not communicate with the water intake flow, which is optimal for vital functions and reproduction of fish without risk of getting into the water intake. The guide element is made as vertical or inclined in the form of sections of an electric fish barrier, or a water-air curtain, or an air-bubble curtain, or a louver fish-protection device. The guide element is installed at the inlet to the gallery and provides for independent exit of fish from the lower part of the flow into the upper more comfortable zone of the water source. The horizontal slab is arranged below the water surface level. The length of the horizontal slab makes at least the height of the water intake window. The device may be installed in any conditions regardless of availability or unavailability of a transit flow. The device does not comprise a fish intake part that leads to the fish takeout.
EFFECT: increased efficiency of device functioning and expanded conditions of its application.
SUBSTANCE: device comprises a double circular boom floating on water surface. The boom is closed at the bottom along the inner contour with a meshed bottom or electrodes, where electric current is supplied. The air-lift flow is formed in the space between the booms at the bottom. The air-lift flow captures fine protected items from upper levels of the water reservoir and sends them to fish discharge. Large protected items from the lower layers of water are separated from the water-receiving tract with the meshed bottom or electrodes. The water-intake flow at the inlet is vertical, directed at the bottom upwards and is perpendicular to the flow at the outlet. Water is discharged from the space inside the double circular boom.
EFFECT: invention provides for efficient protection of fish.
SUBSTANCE: complex fish protection device of barrier-filtering action comprises a water-permeable screen. The screen comprises filtering meshy and/or louver elements. Elements are combined into horizontal lines in rows and along the vertical line into modules. Besides, the device may comprise sections of electrodes. Each separate filtering element is isolated from others with the help of a dielectric material and is made of an electroconductive material or a material that does not conduct current. The number of rows of filtering elements and modules makes from 1 and more. Each row comprises meshy or louver elements. Each module comprises meshy or louver elements, or meshy and louver elements simultaneously. The number of filtering elements in one row and in one module makes from 1 and more. The size of the cell in the meshy cloth of the meshy element makes from 1 mm and more. The clear space between louver plates of the louver element makes from 10 mm and more. Along the horizontal line the rows of meshy and louver elements may alternate and be arranged in any sequence. The size of the cell in the meshy cloth of the meshy elements and the clear space between louver plates of the louver elements in different rows and modules may be different. Pulse current is supplied to all or separate filtering elements, creating electric field around the water-permeable screen.
EFFECT: increased efficiency of device functioning.
6 cl, 7 dwg
SUBSTANCE: device comprises a body made in the form of a semi-cylinder and a well. The body is separated by perforated partitions of semi-circular shape with formation of filtering sections between them. With external ends the partitions are connected to a coastal wall, in the middle part of which there is a vertical cylindrical well. The cover is installed on top of sections. Loading baskets are made of a geosynthetic material, have perforated walls that form cells between each other, where a foam polystyrene charge is located. Hinged loops with eyes are fixed on the upper parts of the baskets.
EFFECT: improved efficiency of device operation due to increased extent of water treatment and improved operation conditions.
FIELD: hydraulic engineering.
SUBSTANCE: invention relates to constructions and method aimed at passing spawners through support facilities to places of spawning ands fattening. Proposed head of fish conservation works includes supply unit connected with head water by gate installed in bypass culvert, fish attracting device in form of guides installed before intake part of fishway and made in form of horizontally arranged collectors with non-submerged water outlet holes whose central axes are orientated at different angles to water surface. Collectors are connected with end parts of bypass culverts, being installed for rotation relative to intake part of fishway and made in form of pipes used as base of carrying trusses whose vertical support booms are made coaxially with end parts of bypass culverts. Lower parts of booms are made hollow, being connected with inner space of collectors and bypass culverts. Carrying trusses are connected with drive. To attract fish, "sweep" to attract fish is formed at intake of fish conservation works by opening supply unit to preset value, delivering main attraction water over entire depth of flow and additional attraction water to surface horizons of flow and concentration of fish before intake of fish accumulator-trough. Additional attraction of fish is provided from side of water discharge front of diversion unit with subsequent shifting at end of attraction process of additional attraction water to side of longitudinal attraction water to side of longitudinal axis of fish accumulator-trough. Fish getting into zone of action of additional attraction water is entrained and transferred to zone of action of main attraction water. At end of process of attraction, delivery of additional attraction water is stopped, and fish is concentrated before intake of accumulator-trough.
EFFECT: provision of hydraulic conditions to attract fish from large width of waterway.
3 cl, 5 dwg
FIELD: hydraulic structures, particularly fish passes in water-intake structures.
SUBSTANCE: method involves supplying water stream free of young fish in waterway; forming hydraulic screen near water-intake influence area to separate above area from main stream of water-intake structure; forming whirlpool area near water-intake shore edge. Water stream is formed upstream water-intake structure. Water for users is taken from whirlpool area formed by inner water spray boundary and shore edge. Facility includes water-intake structure arranged at shore line, water-intake pipes connected with pump, stream former and means for water stream creation in waterway. Means for water stream creation is made as channel operating in non-pressure regime and having outlet part arranged upstream water inlet. Marks formed on channel bottom and waterway bottom coincide one with another. Stream former is located downstream water intake and directed in downstream direction.
EFFECT: creating of hydraulic conditions to protect young fish from ingress in water-intake structure.
14 cl, 9 dwg
FIELD: hydraulic engineering.
SUBSTANCE: invention relates to hydraulic works designed for passing fish spawners through retaining facilities to places of spawning and fattening. Control of fish passing through fish conduit comes to creating fish attraction water fed from upper pond of hydraulic works into fish conduit and further into lower pond, forming favorable hydraulic conditions directly in fish conduit by changing water level drop between cross partitions by displacing partitions proper relative to bottom of fish conduit and creating overcomable velocity in swim-in holes of partitions. Partitions are displaced along length of fish conduit by driven in direction of upper pond and, simultaneously with displacement of partitions, water level drop formed between partition formed between partitions is displaced, and value of local water level drop is changed over length of fish conduit owing to nonuniform perforation of sections of partitions having different porosity.
EFFECT: provision of controllable hydraulic conditions in fish conduit contributing to effective movement of fish along its length.
19 cl, 18 dwg
FIELD: hydraulic engineering.
SUBSTANCE: invention relates to hydraulic works designed for passing fish spawners through retaining facilities to places of spawning and fattening. Hydraulic resistance lengthwise fish conduit is formed by means of cross partitions installed along conduit and secured on cross guides at different height marks in depth marks in depth of current and made flexible of elastic material, and delivery of working water into fish conduit to create conditions for passing of fish into upper pond and attraction on fish to inlet of fish pass and subsequent changing of position of partition of partitions relative to fish conduit. Cross partitions form system of swim-in holes creating maximum hydraulic resistance to current passing through fish conduit. Lower partitions in direction of current are installed opposite to swim-in holes formed by upper partitions, thus changing paths of fish movement and total value of hydraulic resistance created by system of partitions.
EFFECT: provision of effective movement of fish to side of upper pond by regulating hydraulic resistance lengthwise fish conduit.
15 cl, 35 dwg
FIELD: hydraulic engineering.
SUBSTANCE: invention relates to hydraulic works designed for passing fish spawners through retaining facilities to places of spawning and fattening. Proposed fish guide has prismatic fish guide slots made in bottom of head race of lower pond arranged at acute angle to longitudinal axis of fish pass facility. Slots differ in width over length adjoining by minimum width to inlet of trough-fish storage and they are made in plan in form of rays diverging relative to longitudinal axis of fish pass facility. End face parts of slots adjoining inlet of trough-fish storage communicate with trough channels whose bottom is made tilting to side of lower pond. Fish guide is provided with bottom undersluices and stream-forming nozzles communicating with undersluices which are connected by gate with upper pond, nozzles being arranged in bottom part of slots and orientated to lower pond.
EFFECT: provision of hydraulic conditions in zone of fish guide contributing to effective movement of fish to inlet of fish pass facility.
4 cl, 9 dwg
FIELD: hydraulic engineering.
SUBSTANCE: invention relates to hydraulic works designed for passing fish spawners through retaining facilities to places of spawning and fattening. According to proposed method regulated fish directing current is formed along downstream side of bottom sill by delivering water from side of spillway dam, subsequent delivery of attraction water from trough-fish storage and formation of longitudinal screw roller formed behind downstream side of bottom sill. In case of change of amount of discharge water through spillway dam and in case of increase or decrease of depth of water in lower pond, total height of bottom sill is changed to change height mark of its upper side. Fish guide includes bottom fish guide sill installed at angle to longitudinal axis of fish facility and adjoining inlet part of trough-fish storage, device to control longsill current which can change its height mark of upper side by means of drive and baffle stationary secured on upper side of bottom sill from side of downstream headless side wall to form horizontal web. Device to control longsill current is located on web and is made I form of flexible elastic envelope connected with compressor through branch pipe and supply air conduit.
EFFECT: provision of effective control of, longsill current in case of changes of water level in lower pond of hydraulic works.
14 cl, 15 dwg
FIELD: hydraulic engineering.
SUBSTANCE: invention relates to methods and facilities designed for passing fish spawners through retaining facilities to places of spawning and fattening. Method comes to delivery of transit flow from side of spillway dam, forming longitudinal screw roller along headless side of bottom fish guide sill by setting sill at acute angle to transit flow and delivering attraction water to inlet hole of trough-fish storage. When forming longitudinal screw roller, part of transit flow passing higher than bottom sill side is redistributed in direction perpendicular to side surface of bottom sill towards longitudinal axis of trough-fish storage. In case of water rise in lower pond, using closed louver slats, water tight plane is formed above upper side of sill making it possible to form bottom fish guide sill of greater height. Fish guide includes bottom fish guide sill installed at angle to longitudinal axis of fish facility and adjoining inlet part of trough-fish storage, device to control longsill current whose position can be changed by means of drive which is made in form of system of louver slats installed on upper edge of bottom fish guide sill and connected with drive. Surface of louver slats can be perforated.
EFFECT: provision of effective control of, longsill current.
4 cl, 7 dwg
FIELD: hydraulic engineering.
SUBSTANCE: invention relates to hydraulic works designed for passing fish spawners through retaining facilities to places of spawning and fattening. Proposed pool-type fish pass includes fish conduit with inlet and outlet heads made in form of channel with longitudinal slope and with cross section of prismatic form connecting lower and upper ponds of hydraulic works, fish resting basins, arranged discretely over length of fish conduit and connected with sections of channel, and feed unit from side of upper pond. Sections of channel of fish conduit between basins are provided with one or several longitudinal partitions dividing them into independent channels made with different longitudinal slopes. Top mark of each longitudinal partition is higher than water level mark in channel.
EFFECT: provision of hydraulic conditions contributing to effective movement of fish over length of fish pass.
13 cl, 24 dwg
FIELD: hydraulic engineering.
SUBSTANCE: invention relates to hydraulic works designed for passing fish spawners through retaining facilities to places of spawning and fattening. Proposed fish pass includes fish conduit connecting lower and upper ponds and provided with stepped bottom and fish transportation device consisting of pressure pipeline, dispensing chamber and stream-forming channels. Each step of fish pass terminates in spillway sill connecting lower chamber with upper chamber. Stream-forming channels are orientated to side of upper pond, being arranged at acute angle to bottom of fish conduit chamber and connected with dispensing chamber. Pressure face of spillway sills is made in form on inclined plane with tilting to side of lower pond, and stream-forming channels are made on inclined plane, lower than the plane, and in form of concave chutes widening in direction of upper chamber of fish pass. Outlet holes of stream-forming channels are coaxial with chutes. Angle of arrangement of stream-forming channels decreases in direction of upper step of fish pass.
EFFECT: provision of hydraulic conditions in fish conduit for effective movement of fish along its length.
FIELD: hydraulic engineering.
SUBSTANCE: invention relates to hydraulic works designed for preventing getting of young fish into diversion facilities. Proposed device contains fish retaining shield made in form of hollow guides arranged in tiers across water channels in depth with displacement of each upper tier towards diversion channel. It contains also perforated air duct located on bottom of water channel directly before said shield and train-and-fish trough arranged in upper part of channel in parallel with air duct and connected with outlet and device to let out young fish arranged in height of fish retaining shield. Guides of U-shaped are installed at angle to current of intake channel, their planes are perforated and open end part is pointed to bottom of water channel. Young fish let out device is made in form of perforated shields installed side guides for vertical displacement by drive in height of fish retaining shield relative to additional guides made from side of bank edges of intake channel. Perforation holes of shields and u-shaped guides do not coincide in light.
EFFECT: possibility of retaining and bringing young fish out of limits of influence of diversion facility.