CN210561441U

CN210561441U - Guide wire roller cleaning system of fourdrinier paper machine

Info

Publication number: CN210561441U
Application number: CN201921060878.9U
Authority: CN
Inventors: 吴贵兴
Original assignee: Green Forest Qingxin Paper Industrial Ltd
Current assignee: Green Forest Qingxin Paper Industrial Ltd
Priority date: 2019-07-07
Filing date: 2019-07-07
Publication date: 2020-05-19
Anticipated expiration: 2029-07-07

Abstract

The utility model belongs to the papermaking equipment field discloses a long net paper machine's guide net roller cleaning system, including a plurality of rollers of arranging in proper order, along the screen cloth of a plurality of roller motions, along the belt cleaning device that a plurality of rollers were arranged, belt cleaning device is including arranging in proper order screen cloth lateral surface cleaning unit, screen cloth medial surface cleaning unit between a plurality of rollers, adopting rivers to wash the first net limit cleaning unit of the net limit of screen cloth and adopting the second net limit cleaning unit of the net limit of water smoke washing screen cloth. The system can comprehensively clean the inner side surface, the outer side surface and the two side edges of the screen cloth.

Description

Guide wire roller cleaning system of fourdrinier paper machine

Technical Field

The utility model relates to a papermaking equipment field, especially a fourdrinier machine's guide wire roller cleaning system.

Background

Fourdrinier machines consist of a wet end (including headbox, former, press) and a dry end (drying, calendering, reeling). According to the number of the former and the drying dryer, the machine types can be divided into single long net, double long nets, multiple long nets, long net multi-cylinder, yankee type and the like; according to the vehicle speed, low speed and high speed can be divided. Paper machines for producing bulk products such as newsprint are high-speed paper machines, and have large output, the speed of the paper machine exceeds 1200m/min, and the width of the paper machine reaches 10 m.

The guide roll of the fourdrinier machine is matched with the screen cloth and needs to be cleaned in the operation process.

The applicant, zhejiang huayu paper industry limited, has proposed an invention patent ZL201711137125.9 in 2017, which discloses a wire section system of a paper machine, comprising a frame, a driving roller, a driven roller, a guide wire roller set and a mesh, wherein the guide wire roller set comprises a plurality of first guide mechanisms which are arranged on the ground and provided with first guide wire rollers, and a plurality of second guide mechanisms which are arranged on the frame and provided with second guide wire rollers, the first guide mechanisms and the second guide mechanisms are distributed in a staggered manner along the conveying direction of the mesh, the uppermost end of each first guide wire roller is higher than the lowermost end of each second guide wire roller, a first spray pipe which is positioned above the first guide wire roller is further arranged on the frame close to the first guide wire roller, and a plurality of first high-pressure spray headers which spray directions face the top of the first guide wire rollers are arranged on the first spray pipe. The screen cloth is washed through the first high-pressure spray header on the first spray pipe, the second high-pressure spray header on the second spray pipe and the third high-pressure spray header on the third spray pipe, impurities on the screen cloth can be washed away at the moment, and the quality of finished paper at the later stage is improved.

Wherein, it washs the obverse and reverse side of screen cloth through first shower and second shower. And cleaning the screen guide roller through a third spray pipe. The above-mentioned scheme only proposes to wash the screen cloth and the screen guide roller, and does not lift the washing of other positions. In practice, the deposition of impurities at the web edge of the web is more pronounced than at other locations of the web.

The technical problem that this application will solve is: how to realize the comprehensive cleaning of the screen cloth.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fourdrinier wire roller cleaning system, this system can wash the medial surface, lateral surface and both sides limit of screen cloth comprehensively.

The utility model provides a technical scheme does: the utility model provides a fourdrinier wire roller cleaning system, includes a plurality of roller, along the screen cloth of a plurality of roller motion, the belt cleaning device who arranges along a plurality of roller that arrange in proper order, belt cleaning device is including arranging screen cloth lateral surface cleaning unit, screen cloth medial surface cleaning unit, the first net limit cleaning unit that adopts rivers to wash the net limit of screen cloth and the second net limit cleaning unit that adopts water smoke to wash the net limit of screen cloth between a plurality of roller in proper order.

In the above cleaning system for the wire guide rollers of the fourdrinier machine, the plurality of roller shafts include a first wire guide roller, a second wire guide roller, a first press roller, a third wire guide roller and a fourth press roller, the first wire guide roller is arranged obliquely above the second wire guide roller, and the second wire guide roller, the first press roller, the third wire guide roller and the fourth press roller are arranged on the same horizontal plane; the mesh outer side surface cleaning unit is arranged below the first mesh guide roller and the mesh; the mesh inner side surface cleaning unit is arranged below the first mesh guide roller, above the second mesh guide roller and above the mesh; the first net edge cleaning unit is arranged between the first pressing roller and the second pressing roller; the second web edge cleaning unit is arranged after the second press roll.

In the above cleaning system for the wire guide roller of the fourdrinier paper machine, the cleaning unit for the outer side surface of the screen cloth comprises a first spray pipe which is horizontally arranged, and a first spray head which is opposite to the outer side surface of the screen cloth is arranged on the first spray pipe.

In the cleaning system for the wire guide roller of the fourdrinier paper machine, the cleaning unit for the inner side surface of the screen cloth comprises a second spray pipe which is horizontally arranged, and a second spray head which is right opposite to the junction of the first wire guide roller and the screen cloth is arranged on the second spray pipe; the second spray pipe is fixed on U-shaped steel, and a material receiving groove located under the second spray head is arranged on one side of the U-shaped steel.

In the guide wire roller cleaning system of the fourdrinier machine, the first wire edge cleaning unit comprises a third spray pipe and a water receiving sub-unit which are horizontally arranged, a strip-shaped nozzle positioned above the wire edge of the screen cloth is arranged on the third spray pipe, the third spray pipe is positioned between the second guide wire roller and the first press roller, the water receiving sub-unit is positioned between the third guide wire roller and the fourth press roller, the water receiving sub-unit comprises a water collecting tank, a water baffle fixed on the water collecting tank and an elastic plate fixed on the water baffle, the upper end of the elastic plate is fixedly connected to the water baffle, and the lower end of the elastic plate is a free end and is positioned right above the water collecting tank; and the water baffle is positioned on a throwing path of water thrown out after the mesh cloth passes through the top of the third mesh guide roller.

In the above-mentioned wire guide roller cleaning system of the fourdrinier machine, the water baffle is inclined toward the direction of the third spray pipe, and the angle between the water flow sprayed from the strip-shaped nozzles of the third spray pipe and the inner surface of the screen cloth is 75 °.

In the above cleaning system for the wire guide roller of the fourdrinier machine, the second wire edge cleaning unit comprises a fourth spray pipe, a plurality of third nozzles located above the wire edge of the screen cloth are arranged on the fourth spray pipe, and the spray direction of the third nozzles is opposite to the wire edge of the screen cloth.

After the technical scheme is adopted in the utility model, its beneficial effect who has is:

wash the medial surface and the lateral surface of screen cloth on a large scale through screen cloth lateral surface cleaning unit, screen cloth medial surface cleaning unit, adopt first net limit cleaning unit to wash the net limit of screen cloth, adopt second net limit cleaning unit to carry out the secondary to the net limit of screen cloth through high-pressure water smoke and wash, through foretell combination, can wash the whole of screen cloth and the local key of net limit is washd.

Drawings

Fig. 1 is a front view of embodiment 1 of the present invention;

fig. 2 is an enlarged view of a part a of fig. 1 according to embodiment 1 of the present invention;

fig. 3 is a side view of the mesh inner side surface cleaning unit according to embodiment 1 of the present invention.

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the following detailed description, but the present invention is not limited thereto.

Example 1:

referring to fig. 1-3, a screen guide roller cleaning system of a fourdrinier machine comprises a plurality of roll shafts arranged in sequence, a screen cloth 1 moving along the roll shafts, and a cleaning device arranged along the roll shafts, wherein the cleaning device comprises a screen cloth outer side surface cleaning unit 2, a screen cloth inner side surface cleaning unit 3, a first screen edge cleaning unit 4 for cleaning the screen edge of the screen cloth 1 by water flow, and a second screen edge cleaning unit 5 for cleaning the screen edge of the screen cloth 1 by water mist.

In practical application, wash the medial surface and the lateral surface of screen cloth 1 on a large scale through screen cloth lateral surface cleaning unit 2, screen cloth medial surface cleaning unit 3, adopt first net limit cleaning unit 4 to wash the net limit of screen cloth 1, adopt second net limit cleaning unit 5 to carry out the secondary to the net limit of screen cloth 1 through high-pressure water smoke and wash, through foretell combination, can wash the whole of screen cloth 1 and the local key washing of net limit.

In this embodiment, the plurality of roll shafts include a first wire guide roll 6, a second wire guide roll 7, a first press roll 8, a third wire guide roll 9 and a fourth press roll 10, the first wire guide roll 6 is arranged obliquely above the second wire guide roll 7, and the second wire guide roll 7, the first press roll 8, the third wire guide roll 9 and the fourth press roll 10 are arranged on the same horizontal plane; the mesh outer side surface cleaning unit 2 is arranged below the first mesh guide roller 6 and below the mesh 1; the mesh inner side surface cleaning unit 3 is arranged obliquely below the first mesh guide roller 6, obliquely above the second mesh guide roller 7 and above the mesh 1; the first net edge cleaning unit 4 is arranged between the first press roll 8 and the second press roll; the second wire edge cleaning unit 5 is arranged after the second press roll.

Specifically, the mesh outer side surface cleaning unit 2 comprises a first spray pipe 21 which is horizontally arranged, and a first spray head 22 which is opposite to the mesh outer side surface is arranged on the first spray pipe 21. The first spray head 22 sprays water in the form of water mist.

The mesh inner side surface cleaning unit 3 comprises a second spray pipe 31 which is horizontally arranged, and a second spray head 32 which is right opposite to the junction of the first mesh guide roller 6 and the inner side surface of the mesh 1 is arranged on the second spray pipe 31; the second spray pipe 31 is fixed on a U-shaped steel 33, and a material receiving groove 34 positioned right below the second spray head 32 is arranged on one side of the U-shaped steel 33. The second shower nozzle 32 is with the water blowout of the form of water smoke, because the second shower nozzle 32 is located the top of the medial surface of screen cloth 1, so accept the incrustation scale through long-term formation on with the shower nozzle through connecing silo 34, avoid the incrustation scale to enter into and damage guide wire roller and screen cloth 1 between second guide wire roller 7 and the screen cloth 1.

In this embodiment, the first net edge cleaning unit 4 includes a third spray pipe 41 and a water receiving subunit, which are horizontally arranged, the third spray pipe 41 is provided with a strip-shaped spout 42 located above the net edge of the net cloth 1, the third spray pipe 41 is located between the second net guide roller 7 and the first press roller 8, the water receiving subunit is located between the third net guide roller 9 and the fourth press roller 10, the water receiving subunit includes a water collecting tank 43, a water baffle 44 fixed on the water collecting tank 43, and an elastic plate 45 fixed on the water baffle 44, an upper end of the elastic plate 45 is fixedly connected to the water baffle 44, and a lower end of the elastic plate 45 is a free end and is located right above the water collecting tank 43; the water baffle 44 is positioned on the water throwing path of the net cloth 1 thrown out after passing through the top of the third net guide roller 9.

Strip spout 42 directly spouts screen cloth 1 with the form of water column or water curtain on, its water yield is big, and most water can be followed screen cloth 1 motion and thrown away in the top of third guide wire roller 9, and the water that throws away is the mixture of drop of water, water smoke, can strike the breakwater 44 at a high speed to absorb the impact force under elastic plate 45's effect, fall to water catch bowl 43 in, arrange to external world through water catch bowl 43.

Preferably, the water deflector 44 is inclined towards the third nozzle 41 by an angle of about 10 °, and the water jet from the third nozzle 41 through the strip-shaped orifices 42 forms an angle of 75 ° with the inner surface of the web 1.

In this embodiment, the second web edge cleaning unit 5 includes a fourth nozzle 51, a plurality of third nozzles 52 located above the web edge of the web 1 are disposed on the fourth nozzle 51, and the spraying direction of the third nozzles 52 is opposite to the web edge of the web 1. The third nozzle 52 sprays water in the form of mist.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. The utility model provides a fourdrinier wire roller cleaning system, includes a plurality of roller, along the screen cloth of a plurality of roller motion, the belt cleaning device who arranges along a plurality of roller that arrange in proper order, its characterized in that, belt cleaning device is including arranging screen cloth lateral surface cleaning unit, screen cloth medial surface cleaning unit, the first net limit cleaning unit that adopts rivers to wash the net limit of screen cloth and the second net limit cleaning unit that adopts water smoke to wash the net limit of screen cloth between a plurality of roller in proper order.

2. The fourdrinier wire roll cleaning system according to claim 1, wherein the plurality of roll shafts comprise a first wire guide roll, a second wire guide roll, a first press roll, a third wire guide roll and a fourth press roll, the first wire guide roll is arranged obliquely above the second wire guide roll, and the second wire guide roll, the first press roll, the third wire guide roll and the fourth press roll are arranged on the same horizontal plane; the mesh outer side surface cleaning unit is arranged below the first mesh guide roller and the mesh; the mesh inner side surface cleaning unit is arranged below the first mesh guide roller, above the second mesh guide roller and above the mesh; the first net edge cleaning unit is arranged between the first pressing roller and the second pressing roller; the second web edge cleaning unit is arranged after the second press roll.

3. The fourdrinier wire roll cleaning system according to claim 2, wherein the screen cloth outer side cleaning unit comprises a first nozzle arranged horizontally, and the first nozzle is provided with a first nozzle facing the screen cloth outer side.

4. The fourdrinier wire roll cleaning system according to claim 2, wherein the screen cloth inner side cleaning unit comprises a second nozzle arranged horizontally, and a second nozzle facing the junction of the first wire roll and the screen cloth is arranged on the second nozzle; the second spray pipe is fixed on U-shaped steel, and a material receiving groove located under the second spray head is arranged on one side of the U-shaped steel.

5. The fourdrinier wire guide roller cleaning system according to claim 2, wherein the first wire edge cleaning unit comprises a third spray pipe and a water receiving unit which are horizontally arranged, the third spray pipe is provided with a strip-shaped nozzle which is positioned above the wire edge of the screen cloth, the third spray pipe is positioned between the second wire guide roller and the first press roller, the water receiving unit is positioned between the third wire guide roller and the fourth press roller, the water receiving unit comprises a water collecting tank, a water baffle which is fixed on the water collecting tank and an elastic plate which is fixed on the water baffle, the upper end of the elastic plate is fixedly connected to the water baffle, and the lower end of the elastic plate is a free end and is positioned right above the water collecting tank; and the water baffle is positioned on a throwing path of water thrown out after the mesh cloth passes through the top of the third mesh guide roller.

6. The fourdrinier wire guide roll cleaning system according to claim 5, wherein the water baffle is inclined in the direction of the third nozzle, and the angle between the water stream from the third nozzle and the inner surface of the wire cloth is 75 °.

7. The fourdrinier wire guide roll cleaning system according to claim 2, wherein the second wire edge cleaning unit comprises a fourth nozzle, wherein the fourth nozzle is provided with a plurality of third nozzles positioned above the wire edge of the screen cloth, and the spray direction of the third nozzles is opposite to the wire edge of the screen cloth.