SU1495858A1 - Method for supply of suspension to wet end of paper-making machine - Google Patents

Abstract

The invention relates to electrical engineering, in particular to the production of micaceous plastics. The purpose of the invention is to reduce the different mass in the manufacture of mica paper. The method includes the continuous supply of a metered amount of mica-containing suspension of the mixing basin to the feed point of the main trough

independent and adjustable selection of parts of the flow by gravity into each subsequent stream when the flow moves along the main pipe installed obliquely, and the selection is made from the upper parts of the main flow section using drain leaks installed rotatably around the main pipe

returning the recycling part of the main flow and overflow from the mica paper formation area by airlift to the flow pipe of the main pipe

feeding from the drain chutes of a separate stream of mica-containing suspension into the discharge device of the mica-plastering machine. 3 il.

Description

The invention relates to electrical engineering, in particular to the production of micaceous plastics.

The purpose of the invention is to reduce the difference in mass production in the manufacture of mica paper.

The method of supplying the suspension to the forming part of the papermaking machine includes continuously feeding a dosed quantity of spooled suspension from the metal pool to the main trough feeding tank, independent and adjustable selection of flow parts by gravity to each subsequent stream during flow

 the main pipe, installed obliquely, and the selection is made from the upper side of the main stream; returning the recyclable part of the main flow and overflow from the mica forming area of the paper by, for example, airlift; to the main chute feed pipe; feeding from the discharge chutes of the separate stream c, the chmodiferous suspension into the inlet device of the mica plating machine.

FIG. 1 shows a flow distributor, a general view, in FIG. 2 - a movable element with a drain inlet;

 with

SP

00 SP

00

I in FIG. 3 shows section A-A in FIG. 2} in FIG. 4 and 5 - the same, in extreme working positions.

The flow distributor is a feed chute 1, the main pipe 2 with a cut-off bottom: with movable elements 3 mounted on it in the form of pipe sections having lateral drain chutes 4. The flow distributor is installed across the forming zone of the mica-plastering machine. One of the supports 5 of the device is adjustable in height, which allows the distribution valve to be installed with the required inclination. An estrus 6 is installed under the current distributor below the lower discharge end to return the circulating part of the flow through the airlift 7.

I The method is carried out as follows.

I Prepared for paper tipping | Mica-containing suspension from the agitator-JHoro basin enters the supply flow of the distributor 1, and the stream is sent to the OCHOBHJ pipe 2, which is installed at an angle with the height-adjustable support 5. Inclined flow distributor Provides this speed of movement suspension, in which the salt particles do not occur and the bottom of the flow distributor. From the KaKa suspension, as the flow distribution share is distributed, the parts of the flow through the drain chutes 4, installed on moving rotary elements 3, are taken.

Each drain chute is accomplished by immersing the chute entry from top to bottom of the stream while rotating it around the axis of the flow distributor.

In this case, the flow of the selected stream into each diversion is determined by the value of the angle of rotation of the diverter 4 relative to the main pipe 2 of the flow distributor. FIG. 4 and 5 show the extreme positions of the drain chute 4 corresponding to the minimum and maximum flow rates through it. From the streaks, the suspension enters the forming mica plaster-cutting machine. The rest of the flow from the lower discharge end of the flow distributor enters the receiving hopper of the airlift 7, and the overflow from the molding area of the mica-plastou machine, which returns to the flow distributor 1 of the flow distributor, is also sent there.

Claims (1)

Invention Formula The method of feeding the suspension to the throat part of the papermaking machine, in which part of the main stream of the suspension is taken into separate streams, characterized in that, in order to reduce the different mass in the manufacture of mica paper, use a dispenser with a pipe installed obliquely and drain chutes, pivoted around the pipe, and part of the stream is taken in separate streams by gravity from the upper part of the main flow section. S Compiled by VeVondarenko Editor A. Koeoriz Tekhred-A. Kravchuk Proofreader E. Lonchakova Order 4275/50 Circulation 695 Subscription VNIISH of the State Committee on Inventions and Discoveries at the GKYAT of the USSR 113035, Moscow, M-35, Raushsk nab., 4/5 Production and Publishing Combine Patent, Uzhgorod, st. Gagarin, 101