CN2263126Y

CN2263126Y - Pulp washing machine

Info

Publication number: CN2263126Y
Application number: CN 96200829
Authority: CN
Inventors: 曾一鸣; 欧阳来
Original assignee: DONGJIANG MACHINE MANUFACTURE FACTORY SHATIAN TOWN DONGGUAN CITY
Current assignee: DONGJIANG MACHINE MANUFACTURE FACTORY SHATIAN TOWN DONGGUAN CITY
Priority date: 1996-05-21
Filing date: 1996-05-21
Publication date: 1997-09-24
Anticipated expiration: 2006-05-21

Abstract

The utility model relates to a pulp washing machine which belongs to the technical field of paper-making pulp. The utility model is equipment carrying out washing operation for boiled paper pulp; the utility model comprises an input pipeline for original paper pulp, a filter-press mechanism, an output mechanism for clear paper pulp, an output part for black liquor, etc. The utility model is characterized in that the filter-press mechanism is composed of two rollers doing gyration towards the same direction and a flexibility filter screen tensioned between the two gyration rollers; an input port for original paper pulp is arranged at one contacted surface of the flexibility filter screen and the surface of the rollers. The machine has the advantages of continuous operation and low energy consumption.

Description

Wash engine

The utility model belongs to the pulping technology for paper-making field, particularly relates to the equipment that paper pulp is washed.

Pulp washing is that the black liquor in the gained paper pulp after the boiling (to call body paper slurry in the following text) (or red liquid, waste liquid, below be referred to as black liquor) is separated, and the boiling dissolved matter in cell membrane and the lumen is diffused out, the paper pulp wash clean.Existing pulp washing apparatus, be found in the 7th the saying of " pulp and paper technology lecture " of light industry publishing house in April, 1980 version mostly, comprise vacuum pulp washing machine, the pressure wash engine, the diffusion washing machine, five kinds of acroll press washer and two roller rill press masters, every kind of intake line that all includes former paper pulp, pressure filtration mechanism, the output mechanism of clean paper pulp, the efferent of black liquor grades, wherein vacuum pulp washing machine and pressure wash engine need be kept draught head, except being arranged, " lecture " pointed defective also need strengthen energy resource consumption, diffuser action and mechanism are more complicated, the lifting repeatedly of filter ring has strengthened energy resource consumption, spiral wash engine narrow application range, two its fluted roller processing difficulties of roller rill press master are damaged by pressure again easily.

The purpose of this utility model provides a kind of power consumption and economizes, novel wash engine applied widely, easy to manufacture, durable.

The purpose of this utility model is achieved in that

A kind of wash engine, including the intake line, pressure filtration mechanism of former paper pulp, the output mechanism of clean paper pulp, the efferent of black liquor grades, it is characterized in that: described pressure filtration mechanism is two rotating in the same way rollers of work and is stretched in flexible filter screen between these two revolving rolls that the input port of former paper pulp is in flexible filter screen and the contacted one side of roll surface.

Former paper pulp through intake line be spread across on the flexible filter screen from input port stream or the roll surface that turning round on, and running thereupon, through the filtration of filter screen, the extruding of filter screen and roll surface, and with roll surface do circular motion centrifugal action and and black liquid separation, become clean paper pulp and export by output mechanism.

The utility model need not kept draught head, running continuously, no reciprocating motion and intermittent action can be saved the energy, have simplified mechanical structure again, connect with flexible filter screen between two rigid rollers, running resistance is little, and no impact is destroyed, and makes equipment durable in use, be difficult for stuckly, have the scope of application widely.

Introduce an embodiment of the present utility model below in conjunction with accompanying drawing:

Fig. 1 is a main TV structure schematic diagram of the present utility model;

Fig. 2 is a plan structure schematic diagram of the present utility model;

Fig. 3 is the schematic diagram of the ring-shaped groove 21 on the grooved ring roller 2.

Wash engine illustrated in figures 1 and 2 comprise former paper pulp intake line 1, sparge pipe 5, spill slurry chew grooved ring roller 2 is arranged in 11 (they being the input port), the pressure filtration mechanism, the output mechanism of cylinder roller 3, flexible filter screen 4, clean paper pulp is the delivery outlet 9 of scraper plate 6, spiral propeller 7, blow tank 8 and black liquor.

Have at least one to be the grooved ring roller in two revolving rolls, on axis, be fixed with grooved ring roller 2, be distributed with ring-shaped groove 21 on its roll surface.It and another have tension force ground overlapping annular flexible filter screen 4 between the cylindrical roller 3, and the three is rotated counterclockwise (as Fig. 1) jointly.Former paper pulp is from intake line 1 input, chew 11 outflows from spilling slurry, stream is sprinkled upon on the roll surface that flexible filter screen 4 is about to the grooved ring roller 2 of contact with it (as the A point of Fig. 1), in the ring-shaped groove 21 of roller 2, make circular motion to the B point thereupon, holding in the palm by filter screen 4 again and bringing to the C point, pushed by the roll surface of filter screen 4 and cylindrical roller 3 and making circular motion, with the roll surface motion of roller 3 to the D point, imported blow tank 8 by scraper plate 6, release by spiral propeller 7.

Sparge pipe 5 sprays with clear water wire side between the A point at the D point, and the wire side of flushing AD section also washs the paper pulp of the BC section that is in its underpart simultaneously.

The former paper pulp that is blocked by filter screen 4, be subjected to the centrifugal dehydration effect from A point to B point, be subjected to seeing through the washing of the clear water of AD section filter screen from B point to C point, be subjected to the dehydration of press filtration and centrifugal action again to the D point at the C point, scraper plate 6, spiral propeller 7 with lower moisture content process output mechanism enter blow tank 8, enter next wash engine or subsequent processing.

Ring-shaped groove 21 bands for fear of grooved ring roller 2 are lived paper pulp, and ring-shaped groove is designed to have gradient, make it have superficial part broad, the narrower architectural feature in deep, as shown in Figure 3.

Claims

1, a kind of wash engine, including the intake line, pressure filtration mechanism of paper pulp, the output mechanism of clean paper pulp, the efferent of black liquor grades, it is characterized in that: described pressure filtration mechanism is two rotating in the same way rollers of work and is stretched in flexible filter screen between these two revolving rolls that the input port of paper pulp is in flexible filter screen and the contacted one side of roll surface.

2, according to the described wash engine of claim 1, it is characterized in that having at least one to be the grooved ring roller in described two revolving rolls, on its roll surface, be distributed with ring-shaped groove.

3, according to the described wash engine of claim 2, it is characterized in that described ring-shaped groove has gradient, the superficial part broad of groove, deep are narrower.

4, according to the described wash engine of claim 1, the output mechanism that it is characterized in that described clean paper pulp is scraper plate (6), blow tank (8) and spiral propeller (7).