The stabilizer consumption of water in the pools of hydraulic structures

 

The invention relates to hydraulic engineering and land reclamation, can be used to stabilize the flow of water when the water supply from canals and water intake sites. The technical result consists in the fact that the design of the stabilizer water consumption, providing high throughput (flow coefficient=...0,95 0,9), allows to obtain significant cost savings in the manufacture of the stabilizer by reducing metal consumption by 60-70% compared to the prototype. In the stabilizer consumption of water in the pools of hydraulic structures containing fixedly mounted in the foundations of hydraulic structures box-shaped sectional bar, equipped with located at the same distance from the bottom of the base curved visor and a flat visor, and a box-shaped sectional is made in monoblock form parallel spaced walls of different heights, installed perpendicular to the flow direction across the entire width of the pool and is equipped with an installed base of gate G-shaped with the drive rack gear and the ability to change the cross section of the water outlet hole. 4 Il.

The invention relates to hydraulic engineering and m is the catch.

Known stabilizer consumption of water in the dams hydraulic structures containing box-shaped sectional shutter with a speed horse face and a stepped spillway, rigidly embedded in the foundations of buildings, provided correspondingly curved and flat roofs [1].

The disadvantages of this device is a high intensity due to device box-shaped sectional shutter with speed along the length of the shutter horse face, provided with a correspondingly curved and flat roofs, and in addition, aliasing horse faces of the box-shaped sectional shutter along its length causes the unevenness of flow changes along the length of the entering section of the box-shaped sectional shutter to stabilize the water supply, and, thus, the change in the flow rate of water supply is possible only by changing the opening of the shutter.

Closest to the claimed stabilizer is a stabilizer consumption of water containing box-shaped sectional shutter with speed along the length of the horse face and the side walls on their sides on the height of the box-shaped shutter, still fixed in the foundations of hydraulic structures, it provides a box-shaped sectional shutter is th and pressure plates, curved shield, rod, beam, wire rod and other [2].

The disadvantage of this device is high materials (including metal) due to the camera device under shutter hardware pressure plate system, traction rope, curved shield, system direction of the rods, rocker arms, etc.; loss of water in the lower reach due to the outflow through the outlet and due to this reduction in the accuracy of stabilization of consumption, and, in addition, aliasing horse faces of the box-shaped sectional shutter along its length causes the unevenness of flow changes along the length of the entering section of the box-shaped shutter to stabilize the water supply, and, thus, the change in the flow rate of water supply is possible only by changing the shutter opening height.

Tasks and the technical result from the use of the proposed stabilizer is reducing the metal stabilizer water flow.

The technical result is achieved by the fact that in the present stabilizer consumption of water in the pools of hydraulic structures containing fixedly mounted in the foundations of hydraulic structures box-shaped sectional monoblock with speed horse face, krival the n in the form of parallel spaced walls of different heights, perpendicular installed to the direction of flow across the width of the downstream and have installed at the base of the gate G-shaped with the drive rack gear and the ability to change the cross section of the water outlet hole.

Flow sensor water are presented in Fig.1, 2, 3, 4.

In Fig.1 shows the view from downstream, Fig.2 is a top view in Fig. 1; Fig.3 - the same, the section a-a in Fig.1; Fig.4 - removal of the l-shaped bolt with a cylindrical rack gear.

Flow sensor water box contains candy bar fixedly mounted in the foundations of hydraulic structures (concrete, reinforced concrete or other materials, the replacement metal), designed in the form of four parallel spaced walls 1, 2, 3, 4 perpendicular to the flow across the entire width of the pool. The wall 1 at the base provided with a curved visor 5 and the wall 2, 3, 4 in the base provided with a flat sloping roofs 6, 7, 8 and have different height. The entire length of the wall 4 from the bottom of the pool set in the grounds of her shutter 9 G-shaped with a rack and pinion gear 10 through a gear drive 11, driven in rotation on the shaft 12. Curved visor 5 has a radius of curvature R equal to (1,0.... 1,2)a ve the VNO (1,1.....1,5)a. The distance between the walls of height hSPtaken 0.3 a. The value of the thickness between the walls of the box monoblock equal to the distance between the walls normal thereto, equal to the value a/n (n is the number of walls). The length of horizontal roofs 6, 7, 8 are identical and equal to 0.5 t= 0.5 a/n. Horizontal visors are installed at an angle to the horizon5o. Gate G-shape has a length L equal to not less than the length of the monoblock, and the width of the monoblock taken equal to the height of a. The length of the box-shaped candy bar stabilizer water flow Lcequal to the length of the outlet, taken perpendicular to the direction of flow of the stream.

The proposed stabilizer water flow works as follows.

At a design level H1when the stabilizer mode from curved visor 5 compressed stream passes, touching the flat roofs 6, 7, 8. When this flow sensor water has a maximum throughput of Qmax(flow coefficient= (0,9......0,95), you'll get:When the level increases, more water estimated H1starts flow of water through the first stage podoslki 5 at expiration, subject proceeds with flat visor 6. Throughput starts to decrease at the end from under the biasing resistance due to the expiration of the movement of water through the first section with the fall of the coefficient of discharge at the end of the section with a horizontal visor...to 0.53 0,54, but the size of the expiration of the section is 0.5 a/n. This reduction compensates for the increased flow rate of the expiration of the under curved visor. The range of pressure changes before the stabilizer is determined at equal flow of water to the overflow after overflow. With further increase in water level H enters the second cavity (section), and so on, stabilizing the flow of water.

Changing the feed flow offered by the flow sensor is made by changing the position of the shutter 9 by means of the transmission 10 to the desired values of L1defined for a given flow Qiby the formula (1).

Thus, the proposed design of the stabilizer, water consumption, providing high throughput (=0,9....0,95), allows to obtain significant cost savings in the manufacture of the stabilizer by reducing metal consumption by 60-70% compared to the prototype.

Sources of information 1. Afterskool:2mm;">Claims

The stabilizer consumption of water in the pools of hydraulic structures containing fixedly mounted in the foundations of hydraulic structures box-shaped sectional bar, equipped with located at the same distance from the bottom of the base curved visor and a flat visor, wherein the box-shaped sectional monoblock formed parallel walls of different heights, arranged perpendicular to the flow across the entire width of the downstream, along the entire length of one wall on the downstream side in the bottom of the monoblock is installed with the possibility of changing the cross section of the discharge gate G-shaped with the drive rack and pinion gear.

 

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FIELD: hydraulics.

SUBSTANCE: device is a three-drive adjuster and has body with three branch pipes, two of which meant for input and output of working liquid, are provided with mounting saddles. Coaxially to two branch pipes in body guiding axis and bellows adjusting organ with two moving working ends, covered by valves and interconnected by protective cover, are mounted. Ends of guiding axis are placed in axial apertures of valves and have profiled grooves or flats. Middle portion of axis is held in separating wall, dividing inner hollow of bellows adjusting organ on two hollows. Each hollow is connected by control channel, with its possible overlapping with control valve positioned in body, to inner hollow of body. Control valve is provided with drive in form of manometer thermal system.

EFFECT: broader functional capabilities, higher reliability, higher efficiency.

2 dwg

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