RU59437U1 - FILTER SEPARATOR - Google Patents

Abstract

The utility model relates to devices for the purification of gas and liquid media, in particular for the purification of hydrocarbon fuels, mainly natural gas, from mechanical impurities and free water and is intended for use in the oil refining, aviation, automotive and other industries. The filter separator contains a housing, a cover , inlet and outlet nozzles and a filter element of a tubular type mounted inside the housing. The filter element includes a filter layer located on the input side of the filtered medium into the housing and a coalescing layer adjacent to it from the inside. The filter layer and the coalescing layer are made of fibers of a thermoplastic polymer, for example polypropylene. The coalescing layer consists of at least two fine fiber layers separated by a layer of coarse fibers, while the density of the thin fiber layers decreases along the direction of the filtered medium.

Description

The utility model relates to devices for cleaning gas and liquid media, in particular for the purification of hydrocarbon fuels, mainly natural gas, from mechanical impurities and free water and is intended for use in oil refining, aviation, automobile and other industries.

Known filter separator, consisting of a housing provided with a cover, inlet and outlet nozzles and a filter element mounted inside the housing. The filter element includes filtering, coalescing, drainage and water-repellent layers (AS USSR No. 971415, IPC class V 01 D 25 / 00.1982 g).

According to published information, the disadvantage of this filter is its unreliability in operation and the relatively low efficiency of water separation ..

As a prototype, we selected a filter separator protected by Ukrainian patent No. 66522, IPC class 01 D 25/00, 2004. The filter separator includes a housing equipped with upper and lower covers, inlet and outlet nozzles and a filter element. The tubular type filter element is installed inside the housing and consists of a filter layer located on the side of the filtered medium into the housing, a water-repellent layer located on the outlet side of the filtered medium from the housing, and a coalescing layer adjacent to the filter layer and installed with a gap with respect to the water-repellent layer. The water-repellent layer is made of brass mesh coated with fluoroplastic.

The disadvantage of the filter separator according to the prototype is the complexity of the design of the filter element, and the implementation of the water-repellent layer as an independent separate

element causes difficulties in mounting and dismounting the filter element. In addition, the manufacture of a water-repellent layer from a brass mesh coated with fluoroplastic leads to a rise in price of both the filter element itself and the filter separator as a whole.

The claimed utility model is based on the task of improving the filter separator by simplifying the design of the filter element.

The problem is solved due to the fact that in the known filter separator comprising a housing, a cover, an inlet and an outlet pipe and a filter element of a tubular type installed inside the housing and including a filter layer located on the side of the entrance of the filtered medium into the housing and coalescing adjacent to it from the inside layer, in accordance with the proposed utility model, the filter layer and the coalescing layer are made of fibers of a thermoplastic polymer, for example polypropylene, moreover, the coalescing layer the layer consists of at least two thin fiber layers separated by a layer of coarse fibers, while the density of the thin fiber layers decreases along the direction of the filtered medium.

The implementation of the coalescing layer of the filter element in the form of several at least two layers of thin fibers, separated by a layer of coarse fibers, allows you to intensify the separation of free water from the filtered liquid or gas medium by creating an alternation of laminar and turbulent flows during the passage of the filtered medium through the layers coalescing layer.

Figure 1 shows the proposed filter separator in the context; figure 2 is a cross section of a filter element of a tubular type.

The filter separator for cleaning liquid and gas media consists of a housing 1, a cover 2, an inlet pipe 3, an outlet pipe 4 and a filter element 5. The filter element 5 is made tubular and includes a filter layer 6 and a coalescing layer 7, consisting of two fine-fiber layers 8, separated by a layer of coarse fibers 9.

Works filter separator for cleaning liquid and gas environments as follows.

The filtered medium containing mechanical impurities and free moisture in the form of aerosols enters through the nozzle 3 into the housing 1 on the outer surface of the filter layer 6 of the filter element 5. The filtered medium on the filter layer 6 from mechanical impurities enters the first fine-fiber layer 8, where coarsening of the smallest aerosols into larger droplets capable of precipitating under the influence of gravitational forces occurs. The precipitation of large drops of moisture occurs in the coarse fiber layer 9, which followed the fine fiber layer 8. The filtered medium, cleaned of mechanical impurities and moisture, is removed from the casing 1 of the filter separator through the pipe 4 and sent to the consumer.

Claims (1)

A filter-separator for cleaning gas and liquid media, comprising a housing, a cover, an inlet and outlet nozzles and a tubular-type filter element installed inside the housing and including a filter layer located on the inlet side of the filtered medium into the housing and a coalescing layer adjacent to it from the inside, characterized the fact that the filter layer and the coalescing layer are made of fibers of a thermoplastic polymer, for example polypropylene, and the coalescing layer consists of at least two fine fibers s layers separated by a layer of coarse fibers, wherein the density of the fine fiber layers is reduced during the movement of the medium to be filtered.