CN207452562U - A kind of novel pressure sieves rotor - Google Patents

Abstract

The utility model discloses a kind of novel pressures to sieve rotor, is related to screening installation technical field.The utility model includes columnar rotor body, the external peripheral surface of rotor body is equipped with uniform, symmetrical pulse convex block, the outside of rotor body external peripheral surface is equipped with the screen cylinder that annular screening area is collectively constituted with rotor body external peripheral surface, the slot hole by annular screen electoral district division for the first screening area and the second screening area is offered on the rotor body above transmission partition plate, the utility model realizes the subregion high frequency zone of slurry by the first screening area and combining closely for the second screening area, effectively improve the enrichment phenomenon of slurry, avoid the paste sieve of screen cylinder, and reduce residence time of the heavy seeds in pressurized screen, effectively improve the screening efficiency of slurry, reduce the power consumption in pressurized screen equipment running process, it is simple in structure, it is easy to make.

Description

A kind of novel pressure sieves rotor

Technical field

The utility model is related to screening installation technical fields, the particularly large-scale pressurized screen for paper-making pulping screening field Optional equipment sieves rotor more particularly to a kind of novel pressure.

Background technology

Effect of the pulp and paper industry played in modern economy causes more and more to catch people's attention, by the world The industry of " never failure " is known as, is as one modernization of the country level of measurement and one country of civilization degree and measurement The one of the important signs that of basic national power.Therefore, China's paper industry requirement in " 12 planning " does rapidly papermaking enterprise It runs business into strong one greatly, it is proposed that the specific requirement of " improve equipment capacity, improve device efficiency and reduce energy consumption ", this is just equipped to papermaking The technology of enterprise, manufacturing process, product quality etc. have initiated new challenge.

Important equipment of the pressurized screen as paper pulp papermaking screening field, technology is relatively ripe, if you need to improve equipment Production capacity, it is necessary to increase the tonnage of equipment.But due to paper pulp in screening process in the prevalence of the enrichment phenomenon of slurry, one Determine to limit the production capacity of equipment in degree and into slurry concentration, and the raising of screening efficiency and the reduction of equipment energy consumption and one The thorny problem of paper industry, it is necessary to which the structure improvement of slave device itself is started with.

The content of the invention

The purpose of this utility model is exactly the shortcomings that overcoming the prior art, provides a kind of novel pressure sieve rotor, is passing The slot hole for the first screening area and the second screening area by annular screen electoral district division is offered on rotor body above dynamic dividing plate.This Utility model realizes the subregion high frequency zone of slurry by the first screening area and combining closely for the second screening area, effectively changes It has been apt to the enrichment phenomenon of slurry, has avoided the paste sieve of screen cylinder.It solves the production capacity of equipment and is limited into slurry concentration so as to cause sieve The technical issues of selecting low efficiency, high energy consumption.

To achieve the above object, the utility model adopts the following technical solution：A kind of novel pressure sieves rotor, including circle The rotor body of tubular, the external peripheral surface of rotor body are equipped with uniform, symmetrical pulse convex block, rotor body outer circle The outside of perimeter surface is equipped with the screen cylinder that annular screening area is collectively constituted with rotor body external peripheral surface, close to rotor body water The rotor body external peripheral surface of flat central plane is equipped with the circular arc flow guide bar for gathering and being oriented to heavy seeds, is rotated along rotor Direction sees that the rear of flow guide bar is equipped with the collection that is used for being connected with being arranged on the heavy slag passage of rotor body inner circumferential surface and leads The pump orifice of the heavy seeds gathered on stream item, rotor body inner cavity is provided with to be fixedly connected with speed reducer output shaft by expansion set Filtering axle sleeve, filtering axle sleeve be fixedly connected by being driven partition plate with rotor body, transmission partition plate above rotor body on open Equipped with the slot hole by annular screen electoral district division for the first screening area and the second screening area.

As a kind of improvement of the utility model, the flow guide bar, which is arranged below rotor body horizontal centre plane, to be turned On sub- body external peripheral surface.

As a kind of improvement of the utility model, the flow guide bar be thickness be 10mm~15mm, width be 20mm~ The stripe board of 35mm, internal diameter are identical with rotor body outer diameter.

As a kind of improvement of the utility model, the slot hole is at least 2, and width is 60mm~100mm, arc length No more than the half of rotor body excircle arc length.

As a kind of improvement of the utility model, the slot hole is 4~6, and arc length is rotor body excircle arc length 1/6~1/4.

As a kind of improvement of the utility model, the transmission partition plate includes annular upper spacer, annular lower clapboard and suit Intermediate axle sleeve on transition axis set, jackshaft set upper side and lower end are welded respectively with the inner circumferential surface of upper spacer and lower clapboard It connects.

As a kind of improvement of the utility model, the upper spacer and lower clapboard inner end are connected with transition axle sleeve by bolt It connects.

The beneficial effects of the utility model are：The utility model is offered on the rotor body above transmission partition plate by ring Shape screening area is divided into the slot hole of the first screening area and the second screening area.Second screening area entrance of the slot hole as slurry will turn Two screening areas have been divided into the screening of sub- body：A part of slurry is screened into the first screening area, the screening area Slurry, during it is moved gradually downward, the water in good slurry and slurry can be discharged constantly by screen cylinder, which results in The continuous rise of the concentration and weight slag content of screening area slurry, can not only influence screening efficiency, more serious also to cause screen cylinder It blocks, paste phenomena such as sieve, at this moment, heavy seeds are assembled on the flow guide bar of rotor body external peripheral surface is fitted tightly over, and weight is miscellaneous Matter enters weight slag passage by the pump orifice at flow guide bar rear, is directly discharged from the heavy slag pipe of pressurized screen；Another part slurry Into rotor body inner cavity, the second screening area is directly entered by the slot hole opened up on rotor body and is screened, into second The slurry of screening area not only eliminates the screening process in the first screening area, reduces the screening time of slurry, can also be to first The high consistency stock of screening area lower part is diluted, and can be effectively prevented from the paste sieve phenomenon of screen cylinder.The utility model passes through the first sieve Constituency and combining closely for the second screening area realize the subregion high frequency zone of slurry, and the enrichment for effectively improving slurry shows As avoiding the paste sieve of screen cylinder, and reducing residence time of the heavy seeds in pressurized screen.By the utility model, not only The abrasion of rotor pulse convex block can be significantly decreased, increases the service life of rotor, moreover it is possible to early reject one in slurry Divide heavy seeds, effectively improve the screening efficiency of slurry, reduce the power consumption in pressurized screen equipment running process, structure letter It is single, it is easy to make.

Description of the drawings

Fig. 1 is the monnolithic case structure diagram of the utility model；

Fig. 2 is overall structure diagram when the utility model collects heavy seeds；

Fig. 3 be slurry through the utility model screening area when overall structure diagram.

In figure：1st, rotor body, 2, flow guide bar, 3, slot hole, 4, pulse convex block, 5, pump orifice, 6, intermediate axle sleeve, 7, on every Plate, 8, screen cylinder, 9, weight slag passage, 10, lower clapboard, 11, transition axle sleeve, 12, reducer output shaft.

Specific embodiment

The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and cannot be construed to the utility model Limitation.

It should be noted that the orientation term such as forward and backward, upper and lower in the utility model embodiment, is only relatively general each other It reads or using the normal operating condition of product as reference, and should not be regarded as restrictive.

In fig. 1, fig. 2 and fig. 3, a kind of novel pressure sieve rotor, including columnar rotor body 1, rotor body 1 External peripheral surface be equipped with according to uniform, the symmetrical pulse convex block 4 of certain arrangement rule, to provide positive/negative-pressure arteries and veins Punching has the function that screening paper pulp and cleaning sieve plate.The outside of 1 external peripheral surface of rotor body is equipped with and 1 outer circle of rotor body Perimeter surface collectively constitutes the screen cylinder 8 of annular screening area, outside 1 horizontal centre plane of rotor body rotor body 1 slightly on the lower side Circumferential surface is equipped with the circular arc flow guide bar 2 for gathering and being oriented to heavy seeds, i.e. the middle part of 1 short transverse of rotor body is slightly on the lower side Position is equipped with flow guide bar 2, and flow guide bar 2 is the stripe board that thickness is 10mm~15mm, width is 20mm~35mm, and internal diameter is with turning Sub- 1 outer diameter of body is identical and is fitted tightly on the external peripheral surface of rotor body 1.It is seen along rotor rotation direction, flow guide bar 2 Rear be equipped with and accumulated be arranged on that the weight slag passage 9 of 1 inner circumferential surface of rotor body is connected for collecting on flow guide bar 2 The pump orifice 5 of poly- heavy seeds, pump orifice 5 are welded on the external peripheral surface of rotor body 1, wherein, 9 quantity of weight slag passage with 5 quantity of pump orifice corresponds, and plays the role of trapping, transport heavy seeds, the heavy seeds of weight slag passage 5 are via pressurized screen weight Slag pipe is expelled directly out outside pressurized screen housing.1 inner cavity of rotor body, which is provided with to fix by expansion set with speed reducer output shaft 12, to be connected It is filtering axle sleeve 11 that rotor body 1 provides power to connect, and filtering axle sleeve 11, which passes through, plays support rotor body 1 and a passing power The transmission partition plate of effect is fixedly connected with rotor body 1, and transmission partition plate is mainly by annular upper spacer 7, annular lower clapboard 10 and set Intermediate axle sleeve 6 on transition axle sleeve 11 forms, intermediate 6 top and bottom of axle sleeve respectively with upper spacer 7 and lower clapboard 10 Inner circumferential surface welds, and upper spacer 7 and 10 inner end of lower clapboard are connected with transition axle sleeve 11 by bolt seal.7 top of upper spacer Rotor body 1 on offer slot hole 3 by annular screen electoral district division for the first screening area and the second screening area, the slot hole 3 to It it is less 2, width is 60mm~100mm, and arc length is not more than the half of 1 excircle arc length of rotor body, it is preferable that described Slot hole 3 is 4~6, and arc length is the 1/6~1/4 of 1 excircle arc length of rotor body.Second screening area of the slot hole 3 as slurry The screening of rotor body 1 has been divided into two screening areas by entrance：A part of slurry is screened into the first screening area, The slurry of the screening area, during it is moved gradually downward, the water in good slurry and slurry can constantly pass through 8 row of screen cylinder Go out, which results in the continuous rises of the concentration and weight slag content of screening area slurry, can not only influence screening efficiency, more serious Screen cylinder 8 can also be caused to block, paste phenomena such as sieve, at this moment, heavy seeds are being fitted tightly over the water conservancy diversion of 1 external peripheral surface of rotor body Assemble on item 2, heavy seeds enter weight slag passage 9, the directly heavy slag pipe from pressurized screen by the pump orifice 5 at 2 rear of flow guide bar Discharge；Another part slurry enters 1 inner cavity of rotor body, and the second screening is directly entered by the slot hole 3 opened up on rotor body 1 Area is screened, and into the slurry of the second screening area, is not only eliminated the screening process in the first screening area, is reduced slurry Screening time can also be diluted the high consistency stock of the first screening area lower part, can be effectively prevented from the paste sieve phenomenon of screen cylinder.

The utility model realizes the subregion high-efficiency sieve of slurry by the first screening area and combining closely for the second screening area Choosing effectively improves the enrichment phenomenon of slurry, avoids the paste sieve of screen cylinder 8, and reduces heavy seeds in pressurized screen Residence time.By the utility model, the abrasion of rotor pulse convex block 4 can be not only significantly decreased, increase rotor uses the longevity Life, moreover it is possible to early reject a part of heavy seeds in slurry, effectively improve the screening efficiency of slurry, reduce pressure sieve apparatus Power consumption in operational process, it is simple in structure, it is easy to make.

The present embodiment is every according to this reality not to the limitation of the works such as shape, structure of the utility model in any form Any simple modification for being made with new technical spirit to above example, equivalent variations, belong to the utility model technology The protection domain of scheme.

Claims (7)

1. a kind of novel pressure sieves rotor, including columnar rotor body（1）, it is characterised in that：Rotor body（1）It is outer Circumferential surface is equipped with uniform, symmetrical pulse convex block（4）, rotor body（1）The outside of external peripheral surface is equipped with turning Sub- body（1）External peripheral surface collectively constitutes the screen cylinder of annular screening area（8）, close to rotor body（1）Horizontal centre plane Rotor body（1）External peripheral surface is equipped with the circular arc flow guide bar for gathering and being oriented to heavy seeds（2）, along rotor rotation direction It sees, flow guide bar（2）Rear be equipped with being arranged on rotor body（1）The heavy slag passage of inner circumferential surface（9）What is be connected is used for Collect flow guide bar（2）On the pump orifice of heavy seeds that is gathered（5）, rotor body（1）Inner cavity is provided with and speed reducer output shaft （12）The filtering axle sleeve being fixedly connected by expansion set（11）, filter axle sleeve（11）By being driven partition plate and rotor body（1）It is fixed Connection, the rotor body being driven above partition plate（1）On offer by annular screen electoral district division for the first screening area and second screening The slot hole in area（3）.

2. a kind of novel pressure sieve rotor according to claim 1, it is characterised in that：The flow guide bar（2）It is arranged on and turns Sub- body（1）Rotor body below horizontal centre plane（1）On external peripheral surface.

3. a kind of novel pressure sieve rotor according to claim 2, it is characterised in that：The flow guide bar（2）It is for thickness 10mm~15mm, the stripe board that width is 20mm~35mm, internal diameter and rotor body（1）Outer diameter is identical.

4. a kind of novel pressure sieve rotor according to claim 1, it is characterised in that：The slot hole（3）At least 2, Its width is 60mm~100mm, and arc length is not more than rotor body（1）The half of excircle arc length.

5. a kind of novel pressure sieve rotor according to claim 4, it is characterised in that：The slot hole（3）For 4~6, Arc length is rotor body（1）The 1/6~1/4 of excircle arc length.

6. a kind of novel pressure sieve rotor according to any one of claims 1 to 5, it is characterised in that：The transmission partition plate Including annular upper spacer（7）, annular lower clapboard（10）Be sleeved on transition axle sleeve（11）On intermediate axle sleeve（6）, intermediate axle sleeve （6）Top and bottom respectively with upper spacer（7）And lower clapboard（10）Inner circumferential surface welding.

7. a kind of novel pressure sieve rotor according to claim 6, it is characterised in that：The upper spacer（7）And lower clapboard （10）Inner end and transition axle sleeve（11）It is bolted.