SU1268826A1 - Siphon water lift - Google Patents

Description

As the working fluid is vacuum-erchy from the atmosphere through mixers 12, the elevator uses air that I enter. 1268826

13 and 14. I z.p. f-ly, 3 silt,

one

The invention relates to an add-on supply technique, mainly agricultural, and more specifically to siphon water lifts.

The purpose of the invention is to increase reliability and productivity by simplifying the design and ensuring uninterrupted operation.

Figure 1 shows schematically a siphon water-lifting installation, a general view; figure 2 - section aa in figure 1; on fig.Z section bb in figure 1.

Siphon water-lifting installation contains siphon 1, communicated in its upper part by means of vacuum line 2 with a lifting device, and starting-regulating valves 3--5 installed on the vacuum:, wire 2. The lifting device is made in the form of a multistage vacuum airlift, each of the steps 6-8 which is equipped with a gas separation chamber 9-11 and a mixer 12-14, and the gas separation chambers 9-11 are connected in parallel to the vacuum wire 2, and the mixers 12-14 are connected to the atmosphere through adjustable gates 15-17. Siphon I and vacuum airlift are made of cassettes 18-21 coaxial-cylindrical elements 22,

The vacuum-airlift informs the source 23 of the liquid and the receiving tank 24. The tip 25 of the siphon 1 is placed in the receiver 26, on which is installed the stopper 27. On the suction knee of the siphon 1 a valve 28 is installed. missed distribution pipes 29 with longitudinal grooves 30 in the bottom wall.

The preparation and start-up of the siphon water lifting installation is carried out as follows.

Receiving tank 24 and steps 6-8 of vacuum airlift partially filled with water | shut off valves 3-5, 15-17

1 28, open the plug 27 and fill the siphon J and the receiver 26 with water. Then close the plug 27. Close the water level to the inputs of the distribution pipes 29 by supplying air through the valves 3-5. Then open the valve 28 to release the water and produce charging a vacuum airlift by pumping air from its stages 6-8. The valve 15 at the first stage of the vacuum airlift creates a discrete change in the supply of external air to the mixer 12 and, as the water speed in the cassettes 18 increases, increases the frequency of the pulses, then switches to stepwise dosing of air and the task at the end of the start of the optimum setting of valve 15. Te the operations are carried out at subsequent stages 7 and 8, taking into account the allowable flow rates of air in the siphon 1.

Siphon water lifting installation works as follows.

Fluid passage through the siphon 1 creates a vacuum in its tip 25 and exhausts the air, which plays the role of the working fluid in the vacuum airlift and is supplied from the atmosphere through valves 15-17 to mixers 12-14 and further

0 through the distribution pipes 29 in cassettes 19-21. The number of stages 6-8 vacuum airlift and, consequently, the height of water rise by installation is limited only by siphon productivity 1, which allows water to be raised to a sufficiently high level with appropriate siphon selection. High reliability of the installation is ensured by the absence of

0 its design of moving parts and components.

Claims (2)

1. A siphon water lifting installation containing a siphon communicated in the upper part by means of a vacuum line with a lifting device. , and control valves installed on the vacuum-wire, which is so that, in order to increase its reliability and performance by simplifying the design and ensuring the continuous operation, the lifting device is designed as a multi-stage vacuum-airlift, each of which steps supplied with gas separation the chamber and the mixer, the gas separation chambers are connected parallel to the vacuum wire, and the mixers communicate with the atmosphere through adjustable gates, 2. Installation under item 1, about tl and so that siphon and vacuum-airlift are made of cassettes of coaxial-cylindrical elements. FIG. 2 phage.Z