SU932469A1 - Device for regulating water level in pools - Google Patents

Description

(54) DEVICE Clfeo FOR REGULATING WATER LEVEL

I

The invention relates to devices for controlling the level of water with regard to its mineralization and can be used on irrigation systems, including rice systems, with the reuse of drainage and drainage problems.

A water level regulator in the channels is known, including a sector valve, a supply tube and tube ends placed in a loop, and a float Hz associated with it.

However, this device does not control the mineralization of the flow rate to the downstream.

Closest to the present invention is a device for adjusting the water levels in the canals, including a gate with a horizontal axis of rotation, with a double siphon L23 installed in its casing.

 However, this device does not allow to regulate the salinity of the flow rate passing to the downstream.

In biefs

The purpose of the invention is to expand the functional capabilities of the device and the range of adjustment.

This is achieved by the fact that the tip of the supply pipe is made in the form of a siphon, connected to the atmosphere by a pipeline, at the inlet of which a float valve is installed. .

In addition, the pipeline is connected to a toroidal float coaxially with which a float valve is located associated with a submersible vessel.

The drawing shows the proposed device.

The device consists of a hollow sector valve 1 with a horizontal axis of rotation 2, the cavity of which is connected to the lower pool by means of the drain hole 3.

The cavity; sector valve 1 is connected via a flexible supply pipe 4 with a tip in the form of a siphon 5 connected to the float 6. It is possible to move the siphon 5 relative to the float 6 vertically. A siphon 5 at its upper point is connected to a pipe joint & 7, which has a flexible insert, the end portion of which — the input cartridge 8 — is rigidly connected to the rod 9 installed in the guide sleeve 10 with the clamping screw 11.

The guide bushing H is connected via rigid couplings 12 to a toroidal float 13, which has stops 14. Inside the float 13 there is a submersible tank 15 with a load 16, scribing the stability of tank 15, a tube 17 and a valve 18 connected by rigid couplings 19 with a tank 15.

The dimensions of the immersion tank 15, its weight, the weight of the load 16, the tube 17, the valve 18 and the connections 19 are adopted so that the immersion tank 15 is completely submerged, and the top of the tube 17 is always above the water horizon.

Floats 6 and 13 are placed in a well (not shown) in order to avoid dynamic flow effects.

Inside the valve 1, there is a double siphon, having a common drain pipe 20 with a knee 21, an outlet 22 and two different elbows 23 and 24, which communicate respectively with the cavity of the valve 1 pipe M 25 and from the upper tail pipe 26.

The device works as follows.

The operation of the device is based on the following principle. With increasing salinity of WATER, the buoyant force increases on the submerged elements of the float valve. As a result, valve 18 rises to a higher level than the original. The opposite is true with a decrease in water salinity.

Depending on the relative position of the pipe 8 and the valve 18, the cavity of the siphon 5 communicates with the atmosphere or not.

Example. The volume of the float valve elements immersed in water with a Mineralization of 1 g / l is equal to ZOOOsm, the tube diameter is 17 3 cm, and the specified mineralization is 2. g / l. With water salinity of 1 g / l, its specific gravity is liOOlr / CM-, and with salinity 2 g / l 1, O02 / cm. With the initial mineralization of 1 g / l, the buoyancy force of water is 3, OOzkg, and with mineralization 2 g / l 3, 006 kg, i.e. the difference is 3 g. This ensures that the disc (valve) 18 is raised by 0.43 cm.

Varya with the volume of the immersion tank 15 and the diameter of the tube 17-; It is possible to ensure, with a given adjustment range, the required adjustment accuracy.

With the help of the rod 9, the nozzle 8 is installed at such a mark that its inlet opening is blocked when the water salinity is equal to the target and below, and, on the contrary, this hole is open when the water salinity is higher than the target.

At the same time, the siphon 5 is so located in height that its ridge is slightly lower than the WATER level in the upper pool, and the water is discharged by a small flow constantly into the shutter 1, and from it through the drain hole 3 it goes to the lower reach.

Suppose the water mineralization is lower than the target. In this case, the inlet of the pipe 8 is blocked, and the cavity of the siphon 5 is separated from the atmosphere. When water is drained through the siphon ridge 5, the air blows out of its cavity, the siphon is charged, and water begins to flow into the cavity of the shutter 1 in a volume exceeding its flow through the drain hole 3. The shutter 1 begins to descend and after a certain time completely closes.

With increasing mineralization above the specified inlet port 8 is open, the vacuum in the siphon 5 is broken. This leads to a decrease in the flow of water into the valve 1, the discharge of water through the drain hole 3 exceeds its flow through the siphon 5. The valve 1 begins to rise, increasing the flow passing to the lower reach. By graduating the scale of mineralization, it is possible, by moving the rod 9, to set any value of water salinity, and the device automatically discharges water to the downstream when it is mineralized to exceed

When the level of the upper reach reaches the maximum level, the boa enters the siphon with the knee 23, which charges with and creates a vacuum in the knee 24 of the other siphon. The latter is also charged, and water from the gate 1 is discharged to the lower reach through nozzle 25. Shutter 1 is raised until the water level in it drops to the lower opening of nozzle 25 or the level in the upper reach does not reach the opening of nozzle 26.

Thereafter, the dual siphons are partially or completely discharged by air entering through the nozzles 25 or 26.

Claims (2)

Claim 1. A device for regulating the water level in the downpipes, containing a sector valve installed on the horizontal axis of rotation, the cavity of which is connected to the upper and lower downpipes by means of an installed one ₍ there is a double siphon, and with a downpipe there is a drain from it, the supply pipe with the head, which is associated with the float, characterized by gem, which, in order to expand functionality 5 of the device, the head is made in the form of a siphon in communication with the atmosphere. A pipe, on the inlet of which a valve is installed. 2. The device pop. 1, with the exception of> 0, so that, in order to expand the control range, the pipeline is connected to a toroidal float, coaxially with which a valve connected to the immersion tank is placed. N