SU1435307A1 - Centrifugal sprayer of liquids - Google Patents

Abstract

The invention relates to liquid sprayers and can be used in devices for burning fuel, in air-conditioning installations and in treating surfaces with chemicals. The goal is to intensify heat and mass transfer processes when spraying a liquid. For this purpose, the centrifugal liquid sprayer is provided with two concentric rows of blades arranged around the circumference of the tube, which form curvilinear slot channels facing the expanding part B of the rotation direction of the discs between themselves and the side surface of the tubes. The side edges of each of the blades of the inner row are located in planes passing through the axis of the disks and the centers of the adjacent gaps between the tubes. The lateral edges of each of the blades of the outer row are located in planes passing through the axis of the disks and the centers of adjacent tubes. The atomizer is also equipped with a gap adjustment between the tubes, made in the form of a disk with a groove in the form of an Archimedes spiral coaxially mounted on one of the main disks with the possibility of axial rotation. The tubes are made with end protrusions inserted into the groove of the regulator disk and installed with the possibility of radial displacement in the slots of the main disks. The regulation of the spraying mode is carried out by changing the gap between the tubes and by turning the regulator dial. 1 hp f-ly, 3 ill. i CO 4 SAE SL SA

Description

The invention relates to a device for spraying liquids and can be used as a spray in a device for collecting topography, in air conditioning installations and in the treatment of surface chemicals.

The aim of the invention is to intensify the processes of heat and mass transfer | Q ri when spraying a liquid.

1 shows a centrifugal liquid aspirator; on. - spread A-A in FIG. on fng.Z - repleni tube to disk node, 15

The atomizer contains disks 2 and 3 mounted coaxially on drive shaft 1, interconnected by circumferentially arranged tubes 4, forming a gap 20 between them 20 working spaces 5. The cavity 6 between the disks 2 and 3 communicates channels 6 for supplying bones with lip seals 7. The atomizer is provided with two concentric p - 25 dams of blades 8 and 9 covering the tubes 4, which form curved slot channels 10 and 11 between themselves and the side surface of tubes 4. The latter are turned by the expanding part in the direction of rotation of the disks 2 and 3. The lateral to The blades of each of the shoulder blades 8 of the inner row are located in. planes x pro: y: disks 2 and 3 through the axis and the centers of adjacent gaps 5 between the tubes 4.

The lateral edges of each of the blades 9 of the outer row are located in planes passing through the axis of the disks 2 and 3 and the centers of adjacent tubes 4.

The 4 edges of the blades 8 that are closest to the tubes are 1 distance from the centers of the tubes 4 by a distance equal to their radius; and the far edges are separated by a distance equal to the two radii of the tubes 4; The closest to the tubes 4 KpOMKii blades 9 are removed from the centers of the tubes 4

for a distance equal to two and a half of the radii of the tubes 4, and their distant edges are removed to a distance equal to five radii of the tubes 4

The atomizer has a regulator saso-- pa between the tubes 4, made in the form of a disk 12 with a groove 3 in the form of an Archimedes spiral.

The disk 12 is coaxially mounted on the disk 2 with the possibility of axial rotation, and is equipped with a lock screw with screws 14 "

The tube 4 is made with the end protrusions 15, entered into the groove

thirty

35

50

0 5

0

five

0

3 disk 12, and installed in the slots

16 disks 2 and 3 with a possibility of radial displacement.

The shaft 1 is driven by an electric motor 17 with a gearbox 18,

The spray works as follows.

The sprayed liquid is supplied through channels 6 to the cavity between disks 2 and 3. When the motor is turned on

The discs 2 and 3 mounted on the drive shaft 1 together with the tubes 4 and the blades B and 9 are driven 17,

Under the action of centrifugal forces, the liquid is thrown to the tubes 4, (EXIT through the gaps 5 and spreads on the outer surface of the tubes 4. in the form of a film. When a film of liquid is separated from the surface of the tubes 4, it falls on the surface of the blades 8 and spreads. edges under the action of centrifugal forces and 10 streams of gas created in curvilinear channels.

When a liquid comes off the edges of the blades 8, it pops onto the surface of the blades 9 and again spreads over the surface of the blades under the action of centrifugal forces and the incident flow.

Repeated liquid spreading over the surface of the tubes 4 of the blades 8 and 9 intensifies the heat and mass transfer between the gas and the liquid. When a fluid discharge from the blades 9 of the outer row occurs, intensive crushing of the fluid particles occurs and the formation of a fine spray at a distance of up to ijS m from the blades 9 "The regulation of the spray mode is determined by changing the gap between the tubes 4 by turning the disk 12,

The use of the proposed nozzle for burning liquid fuel allows an increase in the thermal performance of the boilers, the traction characteristics of the gas turbines and the increase in the combustion efficiency of the fuel. The sprayer can also be used for spray dryers in the chemical and food industry;

F .o p m u l a and 3 o b v b 6 b u:

Claims (2)

1, 11 centrobes: Whose: Shd-KocTHs containing disks coaxially mounted on the drive shaft, interconnected by circumferentially arranged tubes, working gaps between themselves and communicating with the cavity between the disks, a fluid supply channel, characterized in that, in order to intensify the heat and mass transfer processes liquid distribution, it is provided with two tube-shaped concentric rows of blades, which form between themselves and the lateral surface of the tubes curved slot channels facing the expanding part in the direction of and rotation of the discs, wherein the side edges of each of the blades of the inner row are located in planes passing through the axis of the discs and the centers of adjacent gaps between the tubes, the side edges of the blades of the outer row are located in planes passing through the axis of the discs and centers of adjacent tubes. 2. Sprayer according to claim 1, characterized in that it is provided with a gap adjustment between the tubes made in the form of a disk with a groove in the form of an Archimedes spiral and coaxially mounted on one of the disks of the dispenser with the possibility of axial rotation, while the tubes are made with end protrusions inserted into the groove of the regulator disk and mounted with the possibility of radial displacement in the grooves made in the disks. Ct} 9 (2.2 fi2.J