SU709151A1 - Hydrodynamic dispersing apparatus - Google Patents

Description

one

The invention relates to devices for the hydrodynamic dispersion of predominantly drilling fluids in the drilling of oil and gas wells.

Devices for mixing and dispersing are known by providing a head-on collision of opposing hydrodynamic flows 1, 2, 3

Dispersing devices are also known by subjecting a suspension to high-frequency vibrations, such as hydrodynamic transducers 4,

A disadvantage of the known devices is the low dispersion efficiency. Using these devices to completely disperse the drilling mud requires a large number of cycles of closed circulation of the solution in the system: pump - pipeline - dispersant - tank pump, since a single particle collision and the effect of oscillations on individual flow zones does not sufficiently grind particles to colloidal sizes.

The purpose of the invention is to increase the efficiency of the dispersion process.

This goal is achieved by the fact that each resonator, reinforced against the nozzle, is made in the form of a corrugated plate with decreasing corrugations in height towards the nozzle.

The drawing schematically shows the proposed device.

The device consists of Slotted nozzles 1 and 2, installed one

0 against the other in case 3. At the liquid outlet from the nozzles, resonators 4 and 5 are located. Each resonator is made in the form of a corrugated plate with decreasing corrugations towards the nozzle. The plate is fixed between the walls 6. The nozzles are connected to the inlet nozzles 7 and 8 by the tension springs 9 and 10. The coils of the circular spring

0 tightly pressed to each other. The spring is attached to the nozzle and nozzle using clamps 11.

The device works as follows.

five

Through the inlet nozzles, the pressurized fluid is supplied to the nozzles 1 and 2 through the springs 4 and 5. The fluid moving the springs at the coils, sucks air through ejection.

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Claims (4)

Claim A hydrodynamic dispersant comprising a housing, slotted nozzles, 15 mounted on an elastic base, located one against the other, resonators mounted against the nozzles, and an outlet pipe, so that in order to increase the efficiency dispersing a thief .. Coming out of the nozzles, the liquid collides with springs 4 and 5. When the plate’s natural frequency coincides with the frequency of pressure pulses occurring in the jet, the plate falls into resonance and creates sound or ultrasonic vibrations in the liquid medium, destroying particles of the solid phase of the solution. The liquid moving along the corrugations of the plates, due to ejection, sucks air., From the corrugations of the corrugations. A depression is formed in the depressions, which contributes to the occurrence of cavitation in the liquid layers in the cavity zone. Cavitation, in turn, promotes intense dispersion of the solution with decreasing direction due to flow throttling, each resonator is made in the form of a corrugated plate in height with corrugations to the nozzle. information Sources taken into account during the examination 1. Copyright certificate No. 350498, cl. B 01 F 5/04, 1970. 2. Copyright certificate No. 297378, cl. B 01 F 5/06, 1969. 3. Copyright certificate No. 438432, cl. B 01 F 5/08, 1972. 4. Basics of calculation and design of machines and automatic machines for food production, ed. A.Ya.Sokolova, M., 'Engineering', 1969, p. 362.