SU1813520A1 - Dust separator - Google Patents

Description

The invention relates to the purification of gases from dust and can be used in various industries where dust emissions take place.

Known wet dust collector containing a housing with nozzles for supplying and discharging gases, a sludge collector installed along the gas flow of the main and additional disk rotors with a drive, a make-up device attached to the housing and slotted channels for water supply (ed. St. G 1274743, class B 01 D 47/16, 47/06) [1].

The disadvantage of this dust collector is the increased aerodynamic resistance to gas flow, which occurs due to friction during the passage of gas through narrow slots between the disks and a large liquid flow rate, since in this device it is necessary to create a film wetting mode of the disks, which can be achieved only with a relatively clean liquid, as well as increased complexity designs.

Closest to the proposed dust collector, consisting of a rotating housing, inside of which are fixed filter mesh elements, between which are installed buckets with holes for wetting the nets (ed. St. No. 292355, class B 01 D 47/17) G2].

The disadvantage of this filter is also the increased aerodynamic resistance to the gas flow, which arises due to friction during the passage of gas through the packet of grids and increased fluid flow, since in this device it is necessary to create conditions for film wetting of the grids, which can only be achieved with a relatively clean fluid by quickly replacing it in the filter , i.e. increase in consumption.

The purpose of the invention is the reduction of aerodynamic drag and fluid flow.

To achieve this goal, plates forming double, horizontal (/) | s, * 4 are attached to the inner wall of the rotating case of the dust collector

1813520 A1

The dust collector operates as follows. Dusty gas flows through the pipe 3 into the housing 1, passes through the flares sprayed from the nozzles 6 with a clean liquid, then, passing inside the housing 1, it is irrigated by the fluid that flows from the cavities I and II and is discharged through the pipe 4. ·. When the body 1 rotates, the liquid in its lower part fills the horizontal cavities I and II and then, as the body rotates, overflowing. over the edges having a sawtooth 15 shape (which provides crushing / liquid flow) · irrigates the dust and gas stream, and the tray is irrigated by overflow from the cavities I when they rise, and then from overflowing over the edges, go cavities II - when lowering.

Dust collector allowing! * In comparison with the prototype to reduce aerodynamic drag due to the elimination of structural elements from the dust and gas flow, which will reduce the energy consumption for fan operation, reduce fluid consumption due to its repeated use. In addition, the proposed dust collector makes it possible to obtain a highly concentrated solution of dust in a liquid at the outlet, which facilitates its subsequent processing, as well as letting gas pass in any direction, both direct flow and counterflow.

there are cavities for trapping liquid, and the edges of the plates through which the liquid overflows are sawtooth, and the spray nozzles are installed at the beginning of the dust collector

The essence of the invention consists in the creation of structural elements that allow to spray liquid in a dusty gas stream without introducing into the channel for the passage of gases any structural elements that create aerodynamic drag.

In the proposed dust collector, the liquid in the lower part of the housing fills the cavities and then, as the housing rotates, I having a sawtooth shape, irrigates the dust and gas stream along the entire cross section and along the entire length of the dust collector. This allows you to reduce aerodynamic drag and fluid consumption due to its multiple use, since the limit for the use of fluid in the proposed dust collector is only to ensure fluidity of the solution at the outlet of the dust collector. The liquid is fed through the spray nozzles, which increases the overall contact surface of the liquid with the dust and gas stream.

Figure 1 shows a General view of the dust collector; figure 2 is a section aa in figure 1; Fig. 3 is a view A in Fig. 2.

Claims (2)

Claim The dust collector includes a housing 1 ,. conical caps 2 attached to it with inlet 3 and outlet 4 nozzles, buckets in the form of plates 5, attached to the inner wall of the housing and forming horizontal cavities I and II for trapping liquid, the edges of the plates through which the liquid is overfilled, have a sawtooth shape, spray nozzles 6 for supplying clean liquid and a nozzle 7 for draining contaminated liquid, the dust collector is installed on the rollers 8 and rotates by the drive through the gear 9. A dust collector comprising a rotatable housing with a water bath, in which buckets are installed to trap liquid, with the exception of the fact that, in order to reduce aerodynamic drag and fluid flow, the dust collector is equipped with spray nozzles installed at the entrance, the buckets are made in the form of plates attached to the inner wall of the housing and fastened together with the formation of two horizontal cavities, while the edges of the plates are sawtooth. i 1813520 FIG. 2.