RU184122U1 - HYDROCYCLONE - Google Patents

Abstract

The proposed technical solution relates to combined devices for the separation of heterogeneous liquid media. The device can be used in agricultural land reclamation, in particular in drip irrigation, micro irrigation and sprinkling systems, as well as in other areas of industry and the national economy during water treatment or water treatment. The hydrocyclone contains a housing including mating cylindrical and conical shells, a tangential input for supplying the initial product, a drain pipe for outputting a clarified product, equipped with a filter element with a filtering side surface, a sand pipe for outputting a heavy product and a cylindrical sorption filter, the lower edge of which is at the level of the upper edge of the tangential entry, mounted coaxially with a drain pipe on the disk, forming an additional upper chamber in the cylindrical shell for collecting the clarified product with an additional drain pipe for its output. The proposed hydrocyclone design allows achieving an effective purification of irrigation water from coarse, finely dispersed and floating impurities with minimal losses with sludge without reducing Productivity of the device for the clarified product.

Description

The proposed technical solution relates to combined devices for the separation of heterogeneous liquid media. The device can be used in agricultural land reclamation, in particular in systems, micro irrigation and sprinkling, as well as in other areas of industry and the national economy during water treatment or water treatment.

A hydrocyclone is known, comprising a housing including mating cylindrical and conical shells, a tangential input for supplying the initial product, coaxially located drain pipes with the formation of an annular gap between them, respectively, for outputting the clarified and intermediate products, a chamber for collecting clarified and intermediate products, and a sand pipe for output heavy product (Shestov R.N. Hydrocyclones. L.: Mechanical Engineering, 1967. 78 p. Page 17, Fig. 10).

A disadvantage of the known technical solution is the lack of a filter element in the hydrocyclone, as a result of which the problem of removing finely dispersed impurities from irrigation water (clarified product) has not been solved.

A hydrocyclone is known, comprising a housing including mating cylindrical and conical shells, a tangential inlet for supplying a starting product, a drain pipe for outputting a clarified product, a sand pipe for outputting a heavy product, a filter element and a slurry collector, the conical shell being provided with a breaker device rigidly fixed to a movable rod, and a guide element, and the filter element is made in the form of a semi-permeable membrane fixed in a cylindrical shell (pat. on m. No. 40015, PC V04S 5/22, publ. 27.08.2004.).

A hydrocyclone is known, comprising a housing including mating cylindrical and conical shells, a tangential inlet for supplying a starting product, a drain pipe for outputting a clarified product, equipped with a filter element of different porosity and a bulk sorption filter with zeolite loading, and a sand pipe for outputting a heavy product (Pat on the subway number 158008, IPC V04C 5/12, 9/00, published on 12/20/2015.)

The closest technical solution for the totality of features to the claimed device and adopted for the prototype is a hydrocyclone containing a housing including a mating cylindrical and conical shells, a tangential inlet for supplying the initial product, a drain pipe for outputting the clarified product, equipped with a filter element of different porosity, the outer surface of which equipped with a continuous fleecy cylindrical surface formed by needle elements, and a sand pipe for outputting heavy of the product (US Pat. Russian Federation №2180272, V04S 5/12, 9/00, publ. 10.03.2002).

The disadvantage of all the technical solutions is the inability to remove pop-up impurities from irrigation water, i.e. with a density lower density of the clarified product and a fraction greater than the cell size of the filter element.

Often the water from surface water sources used for irrigation is contaminated with oil products and organic compounds whose density is less than the density of water, i.e. pop-up impurities. Sources of oil pollution are diverse: industrial effluents, ship accidents, oil breakthroughs in drilling rigs, etc.

Petroleum products and organic compounds have a negative effect on the soil, causing significant changes in its morphological properties, reducing the biological productivity and phytomass of the vegetation cover. Oil and oil products that have fallen on the soil surface clog the capillaries of the soil, disrupting its aeration and water permeability, and as a result, all redox reactions. From a technological, environmental and economic point of view, the best way to extract dispersed and dissolved organic and toxic impurities from water is adsorption filtration.

Adsorption purification of liquid hydrocarbons is carried out on the surface of synthetic and natural materials that bind oil products and organic compounds in water.

The main categories of sorbents are presented in the table.

The objective of the proposed technical solution is to increase the efficiency of cleaning irrigation water from pop-up impurities without reducing the performance of the apparatus for clarified product.

The proposed utility model allows to solve the problem and eliminate this drawback: a hydrocyclone containing a housing including mating cylindrical and conical shells, a tangential inlet for supplying the initial product, a drain pipe for outputting the clarified product, equipped with a filter element with a filtering side surface, and a sand pipe for output heavy product, which is equipped with a cylindrical sorption filter, the lower edge of which is at the level of the upper edge of the tangential th input set coaxially with the spout on the disk, in a cylindrical shell forming an additional upper chamber for collecting the clarified product with additional drain pipe for its output.

The proposed design of a hydrocyclone with a cylindrical sorption filter, the lower edge of which is at the level of the upper edge of the tangential inlet, installed coaxially with the drain pipe on the disk, forming an additional upper chamber, allows you to remove pop-up impurities, including toxic, from the clarified in the lower chamber of the product, to collect this the product in an additional upper chamber and withdraw to the consumer through an additional drain partubok.

In FIG. 1 shows a general view of a hydrocyclone.

The hydrocyclone contains a housing including mating cylindrical 1 and conical 2 shells, a tangential inlet 3 for supplying the initial product, a drain pipe 4 for outputting the clarified product, equipped with a filter element 5 with a filtering side surface, and a sand pipe 6 for outputting a heavy product, a cylindrical sorption filter 7, the lower edge of which is at the level of the upper edge of the tangential input, placed on the disk 8, forming on top of the cylindrical shell an additional chamber 9 for collecting light perishable product provided with additional drain pipe 10 for its output.

The proposed design of the hydrocyclone works as follows:

Pop-up impurities entering the hydrocyclone with irrigation water (oil products and organic compounds) under the action of centrifugal force move from the periphery (body wall) to the drain pipe 4. A portion of the initial product containing pop-up impurities passes through a sorption filter 7. In this case, the pop-up impurities are adsorbed, and part of the clarified water enters an additional chamber for collecting the clarified product, from where it is discharged through an additional drain pipe to the consumer.

Another part of the initial product containing finely dispersed impurities with a density of a higher density of water and a fraction greater than the cell size of the filter element passes through a drain pipe 4 provided with a filter element 5 with a filter side surface on which these impurities are deposited. A heavy product (coarse impurities), characterized by a density of a higher density of water, is removed through a sand pipe 6.

The behavior of particles of different densities in a centrifugal field of a hydrocyclone is due to the fact that particles with a density of a higher density of water are concentrated near the wall of the apparatus, with a density of a lower density of water - closer to the axis of the apparatus. Since the drain pipe 4 for outputting the clarified product is equipped with a filter element 5 with a filtering side surface, particles of pop-up impurities with a fraction larger than the cell size of the filter element, moving in a centrifugal flow from the housing wall to the axis of the apparatus, will be concentrated near the filtering side surface of the drain pipe 4. Under the action of the centrifugal force of an impurity with a density lower density of the clarified product and a fraction greater than the cell size of the filter element will float, vlyatsya a sorption filter 7.

The hydrocyclone works as follows. The initial product is non-clarified irrigation water, which flows through a tangential inlet 3 into the cylindrical shell 1 of the hydrocyclone body. The flow of water in the hydrocyclone is twisted, while a heavy product (coarse impurities) with a density of a higher density of water, striking the walls of the body, is lowered down along the conical shell 2 and is discharged through the sand pipe 6 to output a heavy product. Finely dispersed impurities with a density of a higher density of water and a fraction greater than the cell size of the filter element contained in the water stream are deposited on the filtering side surface of the filter element 5, and part of the clarified water is discharged through the drain pipe 4.

Pop-up impurities with a density of a lower density of the clarified product and a fraction greater than the cell size of the filter element contained in the water stream, moving in a centrifugal field, are directed from the periphery (housing wall) to the side filter surface of the filter element 5 mounted on the drain pipe 4. This part of the water stream passing through the sorption filter 7, it is cleaned of pop-up impurities, passes into an additional chamber 9 to collect the clarified product and are discharged through an additional drain pipe 1 0 output clarified product.

Thus, using the proposed hydrocyclone design, an effective purification of irrigation water from coarse, finely dispersed and pop-up impurities is achieved with its minimum losses with sludge without reducing the productivity of the apparatus for the clarified product.

Claims (1)

A hydrocyclone comprising a housing including mating cylindrical and conical shells, a tangential inlet for supplying a starting product, a drain pipe for outputting a clarified product equipped with a filter element with a filtering side surface, and a sand pipe for outputting a heavy product, characterized in that it is equipped with a cylindrical sorption filter, the lower edge of which is at the level of the upper edge of the tangential input mounted coaxially with the drain pipe on the disk, forming in tsil extra-cylindrical shell upper chamber for collecting the clarified product with additional drain pipe for its output.

Images