SU1724334A1 - Liquid directional device for catalytic reactor - Google Patents

Abstract

The invention relates to gas and liquid direct contact devices, can be used in cooling towers, water heaters, devices for heat and air humidity treatment, mass transfer devices of chemical technology and allows to increase the uniform distribution of liquid in a wide range of flow rates. The liquid distributor contains a distributor plate and overflow tanks with teeth on the ends. It is characterized in that one wall of the tooth of overflow glasses is perpendicular to the plane of the dish, sharp, the depressions between the upper teeth are made with a shift from the sharp edges of the lower teeth by a distance of 0.1-0.3 of the height of the overflow cup, the height of the upper teeth is at least 0 , 03 of the largest horizontal plate size, and the minimum opening size of the overflow cup is at least 30-40 mm. 1 hp ff, 2 ill.

Description

The invention relates to direct contact devices for gas and liquid and can be used in cooling towers, water heaters, devices for heat and air humidity treatment, mass transfer devices of chemical technology.

There are known liquid distributors for fan cooling towers and other nozzle-type devices. They give a good atomization and uniform distribution of the liquid, do not require a pressure supply of water, become clogged when working with contaminated liquids, and have a limited range of flow rates in which the spray quality of the liquid in the flare is satisfactory.

There are also known free-flow water distributors - overflow irrigation troughs, distribution

plates (plates) with overflow pipes and without them, which are referred to as sprinklers.

The disadvantages include the complexity and material intensity of the structure (gutter), the complexity of installation due to the need for strict horizontal distribution boards, the absence of splashing of the draining liquid, which creates an uneven irrigation of the nozzle of the apparatus.

Closest to the present invention is the Koch liquid dispenser of a packed column, which is a flat plate with overflow cups standing on the plane of the plate and having teeth on the upper end.

The disadvantages of this dispenser are the following: glasses do not contribute more

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uniform distribution of the liquid due to the absence of drip draining of the liquid into the working chamber of the apparatus; When installing large-sized distributors, greater horizontal alignment is required, since the size of the teeth of the cups is not related to the size of the tray.

The aim of the invention is to increase the uniformity of the distribution of the liquid in a wide range of costs due to drip flow of liquid into the apparatus.

This goal is achieved due to the fact that in the fluid distributor consisting of a distributor plate and overflow glasses with teeth on the ends, one wall of each tooth of overflow glasses is perpendicular to the plane of the plate, sharp depressions between the upper teeth are made with a shift from the sharp tops of the lower teeth by a distance of 0.1-0.3 of the height of the overflow cup, and the height of the upper teeth is 0.05-0.2 of the largest horizontal size of the dish.

FIG. 1 shows schematically the proposed liquid dispenser; in fig. 2 is a section A-A in FIG. one.

The liquid distributor (Fig. 1 and 2) consists of the distribution plate 1 and one or more overflow glasses 2 inserted into the distribution plate. The upper and lower ends of each glass are serrated, with one wall of each tooth perpendicular to the plane of the dish. In an overflow cup, the sharp depressions of the upper teeth 3 and the sharp tops of the lower teeth 4 are shifted relative to each other by a distance of (0.1-0.3) H of the height of the overflow cup. The height of the upper teeth h is not less than 0, OZTS where L is the largest horizontal size of the distribution plate. The hole of the overflow cup can be of any shape.

The liquid distributor operates as follows.

The liquid from the supply pipelines falls on distribution plate 1. When its level becomes higher than the depressions of the upper teeth, the flow down the inner wall of the glass begins. When the depressions of the upper and lower teeth are shifted relative to each other by a distance of 0.1-0.3, the height of the overflow cup is most likely to fall on the flowing brooks on the tops of the lower teeth,

When liquid enters the tip of the lower teeth of the glass, it accumulates into the working area, as a result of which the liquid is distributed evenly over its cross section, according to the distribution of overflow glasses on the plate. With the height of the upper teeth h 0,031. there is a fairly uniform distribution of fluid between all the teeth in all glasses, even if the installation of the dish is not horizontal, and there are more accepted tolerances. When the size of the opening of the glass is not less than 30-40 mm, the formation of a film of liquid over the opening and collecting it into a jet passing through the middle of the opening is prevented, thereby preventing uneven flow of liquid into the working area. The shape and size of the teeth of the overflow glasses also contributes to the fact that the uniform distribution of the liquid in the distributor is maintained in a wide range of its costs due to the formation of a trickle flow on the walls of the glasses.

The use of the proposed distributor instead of the nozzle one provides energy saving for pumping liquid and higher reliability of operation due to the uniqueness of the through-holes.

Compared with other non-pressure liquid dispensers, the proposed design provides a more uniform and dispersed liquid distribution, thereby increasing the efficiency of mass transfer processes in the device.

Claims (1)

1. A liquid distributor of a contact apparatus containing a distributor plate and overflow cups having teeth on the ends, characterized in that, in order to increase the uniformity of fluid distribution in a wide range of costs by providing drip flow of fluid into the apparatus, one wall of each tooth of overflow cups perpendicular The plates are flat and the sharp depressions between the upper teeth are made with a shift from the sharp tops of the lower teeth by a distance of 0.1-0.3 of the height of the overflow cup. 2, The distributor according to claim 1, wherein the height of the upper teeth is not less than 0.03 of the largest horizontal size of the dish. FIG. i