CN101440584A

CN101440584A - Device for supporting and cleaning a felt in a paper mill

Info

Publication number: CN101440584A
Application number: CNA2007101880047A
Authority: CN
Inventors: 克劳斯·巴特尔马斯; 海因茨·巴特尔马斯
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-03-30
Filing date: 2007-11-21
Publication date: 2009-05-27

Abstract

In a device for cleaning a felt in a paper mill, the felt is guided over a support element, and the support element is assigned at least one suction device and at least one device for applying a cleaning liquid to the felt. In this case, the felt is provided on both sides with in each case laterally extending supporting elements with respect to the felt. The support elements arranged on both sides of the felt are offset with respect to one another in the longitudinal direction of the felt in such a way that the support element arranged in each case on one side is located between two support elements arranged on the other side of the felt and projects between the latter, which results in the felt moving in an undulating course between mutually opposite support elements. The suction channel is arranged between the bearing elements arranged adjacent to one another.

Description

In the paper mill, be used to support and clean the device of felt

Related application

According to 35 U.S.C. § 119, the application requires the priority that Austria that submit, A1924/2006 applied for and applies in the A504/2007 Austria that on March 30th, 2007 submitted on November 21st, 2006; Described application documents formerly merge as a reference at this.

Technical field

The present invention relates to a kind of device, be used for cleaning felt in the paper mill, it is directed into the top of supporting member and is assigned at least one aspirator and is used for cleaning fluid is put on the device of felt with at least one.

Background technology

In the paper mill, also has at least one silk screen and along at least one felt of moving direction and this silk screen adjacency, the two speed with about 30m/sec in the workshop is mobile on supporting member.At the section start of its mobile route, paper making raw material is ejected on the silk screen.Along the mobile route of silk screen, the liquid that contains in the paper making raw material is drawn through silk screen, particularly is sucked out.The paper web of Zhi Zaoing is transferred on the felt subsequently thus, and paper web is dried on felt.Paper web breaks away from and is further processed from felt subsequently, particularly by further drying and roll-in.

Owing to enter in the felt such as such pollutants such as fibre fractionation, fillers, consequently the effect of felt is affected, so need clean felt in the mobile route of felt.By cleaning felt with respect to the playpipe of mobile route horizontally set and at least one aspirator, cleaning fluid is applied on the felt by playpipe and the cleaning fluid that contains pollutant siphons away by at least one aspirator.Usually, playpipe and aspirator are arranged on the same side of felt.

Yet, because felt is formed by the dense plant of weaving, so be difficult to remove the pollutant that is contained in wherein.

Summary of the invention

Thereby, the purpose of this invention is to provide a kind of device that is used for supporting silk screen, felt and paper web in the paper mill, it can overcome the aforementioned disadvantages of this class device of prior art.

With above-mentioned and other purposes of being considered, according to the present invention, provide a kind of device, be used for cleaning felt in the paper mill.Described device comprises and is arranged on the supporting member that the felt both sides are used to guide felt.Supporting member is with respect to the felt horizontal expansion.The supporting member that is arranged on the felt both sides relative to each other is offset along the longitudinal direction of felt, so that in all cases, the corresponding supporting member that is arranged on a side is being arranged between two supporting members of felt opposite side, and corresponding supporting member is projected between two supporting members of opposite side.This causes, and felt moves with awave route between supporting member relative to each other.Suction channel is arranged between two supporting members disposed adjacent one another.At least one device is set, is used for cleaning fluid is put on felt.

Thus, the purpose that the present invention is based on provides a kind of device, compares with known devices, makes that by this device more effectively cleaning felt becomes possibility.According to the present invention, in all cases, at the supporting member of the both sides of felt setting with respect to the felt horizontal expansion, the supporting member that is arranged on the felt both sides relative to each other is offset along the longitudinal direction of felt, its mode is in all cases, the supporting member that is arranged on a side is being arranged between two supporting members of felt opposite side and is giving prominence between these two supporting members, this causes felt to move with awave route between supporting member relative to each other, and between two supporting members adjacent one another are, at least one suction channel is set, realizes purpose of the present invention thus.

Preferably, each supporting member of felt one side or all supporting members they with respect to the supporting member of felt opposite side apart from aspect can mediate.In addition, in all cases, at least one suction channel can be set between the supporting member on the felt both sides.

According to the structural change example, also have at least one suction channel on the side of felt and at least one pressure channel on the felt opposite side, described pressure channel is used for the mixture of air, cleaning fluid or this two media.

According to preferred embodiment, in all cases, the supporting member that is positioned at felt one side is arranged on the shared carrier.In this case, particularly form supporting member by the backing roll that is installed in the bearing shell, be supplied to bearing shell such as water or the such medium that can flow of air, they can be retained as with area supported in this way a distance.

Other features that are considered to characteristics of the present invention are set forth in the claims.

Although as be used for showing implementing and having described the present invention at the device that silk screen, felt or paper web are supported in the paper mill, but the concrete form shown in never being intended to limit the invention to is because can make various modifications and structural change under the situation that does not break away from spirit of the present invention and in the scope of claim example of equal value.

Yet, in conjunction with appended accompanying drawing, structure of the present invention and method with and other purpose and advantage can from the description of subsequently specific embodiment, be better understood.

Description of drawings

Unique accompanying drawing 1 is the schematic side elevation according to device of the present invention in the accompanying drawing.

The specific embodiment

At length with reference to accompanying drawing, show the device with two groups of

backing rolls

1 and 2 now, two rollers are positioned at the both sides of felt 3.And the suction channel 4 that is connected to aspirator is arranged between backing roll 1 and 2.And in all cases, the backing roll 2 that is positioned at felt 3 one sides is with respect to backing roll 1 skew of the opposite side that is arranged on felt 3, and they are projected in the space between the backing roll 1, and this causes felt 3 to move with awave route.Preferably, each backing roll 2 can its with respect to the backing roll 1 on felt 3 opposite sides apart from aspect adjust, this causes the wave route of felt 3 variable.

In addition, the playpipe that is moved into lateral orientation 5 with respect to felt 3 is set, cleaning fluid 51 can be applied on the felt 3 thus.The cleaning fluid 51 that felt 3 is applied to by playpipe 5 on the felt 3 cleans, and cleans out the pollutant in the felt 3 and siphons away by suction channel 4 subsequently.Clean felt 3 by this way.Thereby pass through two groups of rollers reinforcement cleaning actions by the felt 3 between two groups of

backing rolls

1 and 2 being moved with the wave route.By this method, compare with known devices, can in the cleaning process of felt 3, obtain the effect of improving in fact.

In the exemplary embodiment,

backing roll

1 and 2 is installed in

bearing shell

11 and 21, and such as water or such being fed to bearing shell by flow media of air, roller can be lifted away from area supported and in fact can not have frictionally rotation by this way thus.In this case, the

bearing shell

11 and 21 that is arranged on felt 3 each side is respectively fixed on shared supporter 6 and 7 by

screw

61 and 71.

According to the structural change example, at least one suction channel can be arranged on a side of felt 3 and at least one pressure channel can be arranged on the opposite side of felt 3.And, air or cleaning fluid---particularly water---or the mixture of air and cleaning fluid can be introduced in the pressure channel.Do not need injection apparatus in this situation.Also improve cleaning action by this way.

Replace backing roll, supporting strap (supporting strip) also can be set, suction channel 4 and/or pressure channel are set between supporting strap.In this case, the coating (plate) that the surperficial preferred coated of the supporting strap of felt 3 has ceramic material to make is given in assignment.

What determine according to device of the present invention is that felt 3 is conducted through between two groups of supporting members, and described two groups of supporting members relative to each other are offset and are projected in separately the clearance space, and felt is directed with awave moving thus, is used for its cleaning.As a result, the structure of felt can be changed continuously, this cause with before known to the workshop in the pollutant compared in the felt of situation can more easily from felt, remove.

Claims

1. An apparatus for washing felt in a paper mill, said apparatus comprising:

Support elements arranged on both sides of the felt for guiding the felt, said support elements extending transversely relative to the felt, said support elements arranged on both sides of the felt are offset relative to each other in the longitudinal direction of the felt so that in each case , the corresponding supporting element arranged on one side is located between two said supporting elements arranged on the other side of the felt, and said corresponding supporting element protrudes between said two supporting elements on the other side, resulting in the felt moving in an undulating path between those said support elements facing each other;

a suction channel arranged between two said support elements arranged adjacent to each other; and

At least one device for applying cleaning fluid to the felt.

2. The device of claim 1, wherein at least one of said support elements on one side of the felt is adjustable in distance relative to said support elements on the other side of the felt.

3. The device of claim 1, wherein the suction channel is one of a plurality of suction channels disposed between the support elements on both sides of the felt.

4. The device of claim 1, wherein the suction channel is provided at one side of the felt; and

The device also includes at least one pressure channel disposed on the other side of the felt for one of air, cleaning fluid, and a mixture of air and cleaning fluid.

5. The device as claimed in claim 1, further comprising a plurality of common carriers, and said supporting elements arranged in each case on one side of the felt are arranged on one of said common carriers.

6. The apparatus of claim 1, wherein said support members include bearing shells each having a support surface and support rollers mounted in said bearing shells, a flowable medium Supplying to the bearing shell, the support roller is held at a distance from the bearing surface by the bearing shell containing the medium.

7. The apparatus of claim 6, wherein the medium is selected from the group consisting of air and water.