JP2018168498A - Canvas cleaning apparatus - Google Patents

Abstract

An object of the present invention is to provide a compact canvas cleaning apparatus capable of effectively cleaning a canvas. A canvas cleaning device (100, 101) used for cleaning a canvas (K) of a paper machine comprises a cleaner rail (10) extending in the width direction of the canvas (K) and a cleaner rail (10) extending along the cleaner rail (10). A movable base 1, cleaners 2a and 2b attached to the base 1 for cleaning the canvas K, and cleaners 2a and 2b attached to the cleaners 2a and 2b or the base 1 for applying a chemical to the canvas K. 3, and the chemical solution application unit 3 is provided downstream of the cleaner units 2a and 2b with respect to the running direction of the canvas K. [Selection drawing] Fig. 1

Description

  The present invention relates to a canvas cleaning apparatus, and more particularly to a canvas cleaning apparatus that is used for cleaning a canvas of a paper machine and includes both a cleaner unit and a chemical solution application unit.

  In general, a paper machine for producing paper has a wire part and a wet paper, which is a wet paper made by placing a liquid in which pulp is dispersed in water on a paper making net (wire), and dropping the excess water naturally. Passing between a pair of press rolls and pressing with a press roll through a felt, the moisture in the wet paper is transferred to the felt, thereby dehydrating the wet paper, and the wet paper that has passed through the press part. And a dryer part that is dried by bringing it into contact with a heated cylinder through a canvas, and a reel part that winds the paper on a rod called a spool.

  In the dryer part, the wet paper is dried by running the wet paper around the surfaces of a plurality of heated dryer rolls. At this time, a so-called canvas is used to press the wet paper from the outside to the surface of the dryer roll. That is, between each dryer roll, the canvas travels with the wet paper while being in contact with the wet paper.

  By the way, as described above, since the canvas is brought into contact with the wet paper, there is a possibility that paper dust or the like contained in the wet paper is transferred to the surface of the canvas and becomes contaminated. When the use is continued in a state where the canvas is contaminated, the contamination of the canvas is transferred to the subsequent wet paper, which causes a significant reduction in the manufacturing yield of the paper.

On the other hand, a cleaning apparatus for cleaning the canvas has been developed.
For example, a supply unit that directly supplies a contamination inhibitor to a contact surface of a canvas that contacts wet paper, and a high-pressure water jet that injects high-pressure water having a pressure of 10 MPa or more to the contact surface of the canvas to which the contamination inhibitor is supplied by the supply unit. 2. Description of the Related Art A canvas cleaning apparatus is known that includes a means and suction means for sucking the vicinity of a portion where high-pressure water collides with a contact surface of the canvas (see, for example, Patent Document 1).
Also, a scraper device that scrapes off deposits adhering to the surface of the canvas on the return side canvas positioned above the carrier side canvas, and the width of the return side canvas from the scraper device to the front side in the moving direction of the return side canvas. Pressure water injection device that injects pressure water over the entire direction, and a release agent spray device that sprays a water-soluble release agent over the entire width direction of the return side canvas from the pressure water injection device to the front side in the movement direction of the return side canvas A dryer in a paper machine provided with the above is known (for example, see Patent Document 2).

JP 2008-7897 A Japanese Patent No. 4918024

However, the canvas cleaning apparatus described in Patent Document 1 has a supply means for supplying a contamination inhibitor and a high-pressure water injection means, but both are separate and have a certain distance. Therefore, there is a risk that dirt will re-adhere while traveling between the two. That is, even if the dirt such as the pitch is peeled off from the canvas by the high-pressure water jetting means, the canvas is heated and dried by the dryer while traveling, so that the dirt such as the pitch is solidified and reattached to the canvas. There is a fear.
Although a method of bringing the supply unit and the high-pressure water injection unit closer to each other is also conceivable, both are sufficiently large devices, and it is difficult to bring them closer from the viewpoint of the design of the entire dry part.

  In addition, the dryer described in Patent Document 2 has a pressure water injection device and a release agent spraying device, but as described above, dirt such as pitch is generated when traveling between the two. It is difficult to bring them closer together.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a canvas cleaning apparatus capable of effectively cleaning a canvas while being compact.

  The inventors of the present invention have intensively studied to solve the above-mentioned problems, and have solved both of the above-mentioned problems by providing both the cleaner part and the chemical liquid application part, and providing the chemical liquid application part on the downstream side of the cleaner part. The present inventors have found that the present invention can be accomplished and have completed the present invention.

  The present invention relates to (1) a canvas cleaning apparatus used for cleaning a canvas of a paper machine, a cleaner rail extending in the width direction of the canvas, a base portion movable along the cleaner rail, and the base portion A cleaner unit for cleaning the canvas, and a chemical solution applying unit for applying a chemical solution to the canvas attached to the cleaner unit or the base, wherein the chemical solution applying unit is a cleaner with respect to the traveling direction of the canvas. The present invention resides in a canvas cleaning apparatus provided on the downstream side of the section.

  This invention exists in the canvas washing | cleaning apparatus of the said (1) description with which the cleaner part and the chemical | medical solution provision part are linearly arranged with respect to the traveling direction of a canvas.

  The present invention provides (3) canvas cleaning according to the above (1) or (2), wherein the chemical solution application section is composed of a first support flow pipe and a chemical nozzle section provided at the tip of the first support flow pipe. Exists in the device.

  According to the present invention, (4) the cleaner part is composed of a second support flow pipe fixed to the base part and a cleaner nozzle part provided at the tip of the second support flow pipe. It exists in the canvas washing | cleaning apparatus of the said (3) description to which the support | distribution flow pipe is attached.

  This invention exists in the canvas washing | cleaning apparatus of the said (4) description to which (5) high pressure water, the high pressure dilution water containing a chemical | medical solution, or high pressure air is sprayed from a cleaner nozzle part.

  According to the present invention, (6) the cleaner part is composed of a second support circulation pipe fixed to the base part, and a cleaner brush part or a cleaner blade part provided at the tip of the second support circulation pipe. It exists in the canvas washing | cleaning apparatus as described in said (3) by which the 1st support | circulation flow pipe is attached to the pipe | tube.

  This invention exists in the canvas washing | cleaning apparatus as described in any one of said (1)-(3) whose cleaner part is a hollow box shape.

  This invention exists in the canvas washing | cleaning apparatus of the said (7) description to which (8) high pressure water, the high pressure dilution water containing a chemical | medical solution, or high pressure air is sprayed from a cleaner part.

Since the canvas cleaning apparatus of the present invention includes both the cleaner unit and the chemical solution application unit, the cleaning effect by the cleaner unit and the chemical solution application effect by the chemical solution application unit can be simultaneously applied to the canvas.
Moreover, since the cleaner part and the chemical solution application part are integrated, the apparatus can be made compact. Thereby, even if the space becomes a small space in the design of the entire dry part, it can be installed.

In the canvas cleaning apparatus of the present invention, since the space between the cleaner portion and the chemical solution applying portion is as narrow as possible, the canvas is heated and dried when traveling between the cleaner portion and the chemical solution applying portion, and the canvas is pitched. Etc. can be prevented from reattaching.
In addition, since the chemical solution application unit is provided on the downstream side of the cleaner unit, the chemical solution can be applied by the chemical application unit immediately after the canvas is washed by the cleaner unit. As a result, the canvas can be effectively cleaned.

  In the canvas cleaning apparatus according to the present invention, the chemical solution applying unit is arranged immediately after the portion cleaned by the cleaner unit by arranging the cleaner unit and the chemical applying unit linearly with respect to the traveling direction of the canvas. Therefore, the canvas can be more effectively cleaned.

In the canvas cleaning apparatus of the present invention, when the chemical solution application part is composed of the first support flow pipe and the chemical liquid nozzle part provided at the tip of the first support flow pipe, the chemical liquid application part and the cleaner part are integrated. In this state, since it can be moved along the cleaner rail, it is not necessary to separately provide a rail, a belt, a drive source, etc. for the chemical solution application unit.
In addition, since the chemical solution application portion is extremely light, the weight load on the cleaner portion can be reduced.

In the canvas cleaning apparatus according to the present invention, when the cleaner portion is composed of the second support flow tube fixed to the base and the cleaner nozzle portion provided at the tip of the second support flow tube, the second support flow tube By attaching the first support flow pipe to the liquid chemical part, the chemical solution application part can be easily attached to the cleaner part. At this time, high-pressure water, high-pressure diluted water containing a chemical solution, or high-pressure air is suitably sprayed from the cleaner nozzle portion.
Similarly, when the cleaner part is composed of a second support flow pipe fixed to the base and a cleaner brush part or a cleaner blade part provided at the tip of the second support flow pipe, the second support flow pipe is connected to the second support flow pipe. By attaching the 1 support flow pipe, the chemical solution application part can be easily attached to the cleaner part.
Moreover, what is necessary is just to attach a chemical | medical solution provision part to either of a cleaner part, when a cleaner part is a hollow box shape. At this time, high-pressure water, high-pressure diluted water containing a chemical solution, or high-pressure air is suitably sprayed from the cleaner unit.

FIG. 1 is a schematic side view schematically showing a first embodiment of a canvas cleaning apparatus according to the present invention. FIG. 2 is a schematic view showing a dry part in which a canvas cleaning apparatus according to the present invention is installed. FIG. 3 is a schematic side view schematically showing a second embodiment of the canvas cleaning apparatus according to the present invention.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings as necessary. In the drawings, the same elements are denoted by the same reference numerals, and redundant description is omitted. Further, the positional relationship such as up, down, left and right is based on the positional relationship shown in the drawings unless otherwise specified. Further, the dimensional ratios in the drawings are not limited to the illustrated ratios.

  The canvas cleaning apparatus according to the present invention is a so-called scanning type cleaning apparatus that is used for cleaning a canvas in a dryer part of a paper machine and reciprocates a cleaner section and a chemical solution application section in the width direction of the canvas.

(First embodiment)
First, a first embodiment of a canvas cleaning apparatus according to the present invention will be described.
FIG. 1 is a schematic side view schematically showing a first embodiment of a canvas cleaning apparatus according to the present invention.
As shown in FIG. 1, the canvas cleaning apparatus 100 according to the first embodiment includes a cleaner rail 10 extending in the width direction of the canvas K, a base 1 movable along the cleaner rail 10, and the base 1, a cleaner unit 2 a for cleaning the canvas K, and a chemical solution application unit 3 for applying a chemical solution to the canvas K attached to the cleaner unit 2 a.

  Since the canvas cleaning apparatus 100 includes both the cleaner unit 2a and the chemical solution applying unit 3, the cleaning effect of the cleaner unit 2a and the chemical solution applying effect of the chemical solution applying unit 3 on the traveling canvas K are At the same time. That is, it is possible to remove deposits such as paper dust attached to the canvas K due to the cleaning effect, and the effect based on the chemical liquid in the canvas K due to the chemical liquid application effect (for example, when the chemical liquid is a pollution inhibitor, the contamination prevention Effect).

Here, it is preferable that the shortest distance H1 between the cleaner part 2a in the plane parallel to the canvas K and the chemical liquid application part 3 is 10 mm to 1000 mm.
When the shortest distance H1 between the cleaner unit 2a and the chemical solution applying unit 3 is less than 10 mm, the chemical solution sprayed from the chemical solution applying unit 3 is applied to the cleaner unit 2a as compared with the case where the shortest distance H1 is within the above range. If the shortest distance H1 between the cleaner unit 2a and the chemical solution applying unit 3 exceeds 1000 mm, dirt may be reattached while traveling between the cleaner unit 2a and the chemical solution applying unit 3. There is. In addition, stability is lost, for example, the first support flow pipe 31 of the chemical application section, which will be described later, becomes long and easily tilted. If the stability is to be maintained, the apparatus itself becomes large, and there is a possibility that it cannot be installed in a space that becomes a small space in the design of the entire dry part.

In the canvas cleaning apparatus 100, the cleaner rail 10 extends in the width direction of the canvas K.
Further, the cleaner rail 10 is supported by frames (not shown) provided outside both sides of the canvas K.

In the canvas cleaning apparatus 100, the cleaner rail 10 incorporates a belt portion (not shown), and the base portion 1 is fixed to the belt portion.
A cleaner 2a is attached and fixed to the base 1.
Furthermore, as will be described later, a chemical solution application unit 3 is attached to the cleaner unit 2a.
Therefore, when the drive source (not shown) moves the belt unit, the cleaner unit 2 a and the chemical solution application unit 3 reciprocate along the cleaner rail 10 via the base unit 1.
At this time, the cleaner unit 2a and the chemical solution applying unit 3 are moved to the vicinity of both ends of the canvas K so that the entire width of the canvas K can be sprayed.

Here, it is preferable that the moving speed of the base portion 1 (the cleaner portion 2a and the chemical solution applying portion 3) is 0.02 m / min to 7.3 m / min.
When the moving speed of the base 1 is less than 0.02 m / min, compared to the case where the moving speed is within the above range, the amount of spraying of the chemical solution is not sufficient, and the canvas may not be sufficiently washed, When the moving speed exceeds 7.3 m / min, compared to the case where the moving speed is within the above range, the chemical solution or the like cannot be sprayed uniformly on the canvas K, and unevenness tends to occur. .

The cleaner unit 2a is a part that sprays high-pressure water, high-pressure diluted water containing chemicals, or high-pressure air onto the canvas K in order to clean the canvas K. In addition, the said chemical | medical solution means a pollution inhibitor, a peeling agent, a cleaning agent, etc.
Here, the cleaner part 2 a includes an inverted L-shaped second support flow pipe 21 fixed to the base 1 and a cleaner nozzle part 22 provided at the tip of the second support flow pipe 21.
A second flow pipe (not shown) is connected to the rear end of the second support flow pipe 21.
In the cleaner unit 2a, high-pressure water, high-pressure diluted water containing a chemical solution, or high-pressure air can flow through the second flow pipe through the second support flow pipe 21.
And the cleaner nozzle part 22 can spray the high pressure water which distribute | circulates the inside of the 2nd support distribution pipe 21, the high pressure dilution water containing a chemical | medical solution, or high pressure air toward the canvas K. FIG.

The chemical solution application unit 3 is a portion that sprays the chemical solution onto the canvas K in order to apply the chemical solution to the canvas K.
In addition, although it does not specifically limit as this chemical | medical solution, For example, a pollution inhibitor, a peeling agent, and a cleaning agent are mentioned. That is, it is synonymous with the chemical | medical solution contained in the high pressure dilution water mentioned above.
Among these, as the chemical solution, it is preferable to use a contamination inhibitor, and among the contamination inhibitors, it is more preferable to use a modified silicone. In this case, the environmental load is small and contamination of the canvas K can be effectively prevented.

Here, the chemical solution application unit 3 includes an inverted L-shaped first support flow tube 31 attached to the second support flow tube 21 of the cleaner unit 2 a and a chemical solution provided at the tip of the first support flow tube 31. It consists of a nozzle part 32.
A first flow pipe (not shown) is connected to the rear end of the first support flow pipe 31.
In the cleaner part 2a, a chemical | medical solution can distribute | circulate the inside of the 1st support distribution pipe 31 via the 1st distribution pipe.
And the chemical | medical solution nozzle part 32 can spray the chemical | medical solution which distribute | circulates the inside of the 1st support distribution pipe 31 toward the canvas K. FIG.

As described above, in the canvas cleaning device 100, the chemical solution application unit 3 and the cleaner unit 2a can be moved and moved along the cleaner rail 10 in a state where the chemical solution application unit 3 and the cleaner unit 2a are connected and integrated. There is no need to separately provide a belt, a drive source, or the like.
Moreover, since the structure of the chemical | medical solution provision part 3 is very simple and lightweight, the weight load concerning a cleaner part can also be reduced.

The chemical solution application unit 3 is provided on the downstream side of the cleaner unit 2a with respect to the traveling direction of the canvas K. For this reason, the chemical solution can be applied to the canvas K by the chemical solution applying unit 3 immediately after the cleaning of the canvas K by the cleaner unit 2a.
The cleaner unit 2a and the chemical solution applying unit 3 are arranged linearly with respect to the traveling direction of the canvas K. For this reason, the chemical | medical solution provision part 3 will provide a chemical | medical solution immediately after with respect to the part which the cleaner part 2a cleaned.
As a result, the canvas cleaning apparatus 100 can effectively clean the canvas K.

In canvas cleaning apparatus 100, application rates of the chemical with a chemical solution applying part 3, as non-content per passage area of the wet paper ^W, is preferably ^{0.02mg / m 2 ~2.0mg / m 2} .
When the spraying amount is less than 0.02 mg / m ² , compared to the case where the spraying amount is within the above range, the amount of chemical solution attached may be insufficient and contamination may not be sufficiently prevented. If it exceeds 0.0 mg / m ² , the solid content of the chemical solution itself may cause contamination as compared with the case where the application amount is within the above range.

FIG. 2 is a schematic view showing a dry part in which a canvas cleaning apparatus according to the present invention is installed.
As shown in FIG. 2, the canvas cleaning apparatus 100 is used in the dry part D.
The dry part D includes a wet paper W and a plurality of cylindrical cylinders D1, D2, D3, D4, D5, D6, D7 and D8 (hereinafter referred to as “D1 to D8”) for heating and drying the wet paper W. ), Canvases K1 and K2 for pressing the wet paper W against the cylinders D1 to D8, a canvas roll KR for guiding the canvases K1 and K2, and a breaker stack roll for gently adjusting the smoothness and paper thickness of the dry wet paper W B and a calendar roll C that adjusts the smoothness and thickness of the dried wet paper W.

  In the dry part D, the wet paper web W is pressed against the surfaces of the rotating cylinders D1 to D8 by the canvases K1 and K2. As a result, the wet paper W adheres to the cylinders D1 to D8 and is simultaneously heated and dried. The wet paper W is then sandwiched between the breaker stack rolls B, and then the wet paper W is densified by the calendar roll C.

  In the dry part D, the canvas K1 travels with the wet paper W while pressing the wet paper W. After the wet paper web W passes through the rear end cylinder D8, it is guided to the front end cylinder D2 by the canvas roll KR and presses the subsequent wet paper web W again. That is, the canvas K1 has a loop shape guided by the canvas roll KR and is continuously rotated. The canvas K2 also rotates in the same manner as the canvas K1.

The canvas cleaning apparatus 100 is provided on the side of the canvas K1 that comes into contact with the wet paper web W (above the canvas K1 in FIG. 2) when the canvas K1 is separated from the wet paper web W and conveyed.
In addition, since the canvas washing | cleaning apparatus 100 has a compact structure, it can be installed even if it is a space used as a small space on the design of the dry part D whole.

In the dry part D, the amount of water on the canvas K1 after the chemical solution is applied by the chemical solution application unit 3 of the canvas cleaning apparatus 100 is preferably 0.01 g / m ² or more and 70 g / m ² or less.
When the amount of water on the canvas K1 is less than 0.01 g / m ² , the dirt on the canvas K1 may not be sufficiently removed compared to the case where the amount of water is within the above range, and the amount of water on the canvas K1 is 70 g. When the amount of water exceeds / m ² , compared to the case where the amount of water is within the above range, when the canvas K1 comes into contact with the wet paper W again, there is a possibility that water marks (color loss) may be formed on the wet paper W. is there.

(Second Embodiment)
Next, a second embodiment of the canvas cleaning apparatus according to the present invention will be described.
FIG. 3 is a schematic side view schematically showing a second embodiment of the canvas cleaning apparatus according to the present invention.
As shown in FIG. 3, the canvas cleaning apparatus 101 according to the second embodiment includes a cleaner rail 10 extending in the width direction of the canvas K, a base 1 movable along the cleaner rail 10, and the base 1, a cleaner unit 2 b for cleaning the canvas K, and a chemical solution applying unit 3 for applying a chemical solution to the canvas K attached to the cleaner unit 2 b. That is, the canvas cleaning apparatus 101 according to the second embodiment is the same as the canvas cleaning apparatus 100 according to the first embodiment except that the structure of the cleaner unit 2b is different.

  Since the canvas cleaning apparatus 101 includes both the cleaner unit 2b and the chemical solution applying unit 3, the canvas K has a cleaning effect by the cleaner unit 2b and a chemical solution applying effect by the chemical solution applying unit 3 for the traveling canvas K. At the same time. That is, deposits such as paper dust attached to the canvas K can be removed by the cleaning effect, and an effect based on the chemical solution can be imparted to the canvas K by the chemical solution imparting effect.

In the canvas cleaning apparatus 101, a hollow box-like cleaner 2 b is attached and fixed to the base 1.
Moreover, the chemical | medical solution provision part 3 is attached to the cleaner part 2b.
Therefore, the cleaner unit 2 b and the chemical solution application unit 3 are configured to reciprocate along the cleaner rail 10 via the base 1.
At this time, the cleaner part 2b and the chemical | medical solution provision part 3 move to the both ends vicinity of the canvas K so that spraying with respect to the whole width of the canvas K is possible.

The cleaner unit 2b is a part that sprays high-pressure water, high-pressure diluted water containing chemicals, or high-pressure air onto the canvas K in order to clean the canvas K.
Here, the cleaner part 2b is directly fixed to the base part 1 and has an inverted L-shaped hollow box shape. That is, the second support flow pipe 21 of the canvas cleaning apparatus 100 according to the first embodiment is not provided.
Further, the interior of the cleaner unit 2b is communicated with a third flow pipe (not shown).
In the cleaner part 2b, it is possible to spray high-pressure water, high-pressure diluted water containing a chemical solution, or high-pressure air that circulates inside the cleaner part 2b toward the canvas K through the third flow pipe.

In the canvas cleaning apparatus 101, the first support flow pipe 31 of the chemical solution application unit 3 is attached to the wall surface on the rear side (downstream side in the canvas traveling direction) of the cleaner unit 2b.
Moreover, the chemical | medical solution provision part 3 is provided in the downstream of the cleaner part 2b with respect to the traveling direction of the canvas K, and the cleaner part 2b and the chemical | medical solution provision part 3 are linearly arranged with respect to the traveling direction of the canvas K. Has been.

  The preferred embodiment of the present invention has been described above, but the present invention is not limited to the above embodiment.

In the canvas cleaning apparatuses 100 and 101 according to the present embodiment, the cleaner rail 10 has a built-in belt portion. By moving the belt portion, the cleaner portion 2a and the chemical solution applying portion 3 are interposed via the base portion 1. However, the means for moving the cleaner unit 2a and the chemical solution applying unit 3 is not limited to this.
For example, instead of the belt portion, a chain, a wire, a screw screw, a hydraulic / air pressure cylinder, a linear bearing, and the like may be provided, and thereby the cleaner portion 2a and the chemical solution applying portion 3 may be moved.

In the canvas cleaning apparatus 100 according to the first embodiment, the cleaner nozzle unit 22 sprays high-pressure water, high-pressure diluting water containing chemical liquid, or high-pressure air that circulates inside the second support flow pipe 21 toward the canvas K. However, the cleaner nozzle part is directly connected to the second flow pipe, and the high pressure water, the high pressure diluted water containing the chemical solution, or the high pressure air is directed to the canvas K without passing through the second support flow pipe 21. May be sprayed.
Similarly, the chemical nozzle 32 blows the chemical flowing through the first support flow pipe 31 toward the canvas K. However, the chemical nozzle 32 is directly connected to the first flow pipe, and the first support flow You may spray the chemical | medical solution which distribute | circulates a 1st distribution pipe toward the canvas K, without passing through the pipe | tube 31. FIG.

In the canvas cleaning apparatus 100 according to the first embodiment, the cleaner unit 2a includes a second support flow pipe 21 fixed to the base, and a cleaner nozzle part 22 provided at the tip of the second support flow pipe 21. However, instead of the cleaner nozzle part 22, a cleaner brush part or a cleaner blade part may be used.
In this case, instead of cleaning the canvas K by spraying high-pressure water, high-pressure diluting water containing chemicals or high-pressure air, the canvas K is cleaned by rubbing with a cleaner brush portion or a cleaner blade portion.

  The canvas cleaning apparatuses 100 and 101 according to the present embodiment may further include a vacuum apparatus. In this case, the dirt peeled off from the canvas K is sucked to increase the cleaning efficiency of the canvas C.

  In the canvas cleaning apparatuses 100 and 101 according to the present embodiment, the chemical solution application unit 3 may be detachable. In this case, it can be set as the structure of this invention easily by attaching the chemical | medical solution provision part 3 to the existing washing | cleaning apparatus.

The canvas cleaning apparatuses 100 and 101 according to the present invention are used for cleaning a canvas K used in a dry part of a paper machine.
According to the canvas cleaning apparatuses 100 and 101 according to the present invention, the canvas K can be effectively cleaned while being compact.

DESCRIPTION OF SYMBOLS 1 ... Base part 10 ... Cleaner rail 100, 101 ... Canvas washing apparatus 2a, 2b ... Cleaner part 21 ... 2nd support circulation pipe 22 ... Cleaner nozzle part 3 ... Chemical solution provision Part 31 ... 1st support circulation pipe part 32 ... Chemical solution nozzle part B ... Breaker stack roll C ... Calendar roll D ... Dry part D1, D2, D3, D4, D5, D6, D7 , D8 ... Cylinder H1 ... Shortest distance K, K1, K2 ... Canvas KR ... Canvas roll W ... Wet paper

Claims (8)

A canvas cleaning device used for cleaning a canvas of a paper machine,
A cleaner rail extending in the width direction of the canvas;
A base movable along the cleaner rail;
A cleaner attached to the base for cleaning the canvas;
A chemical solution application unit for applying a chemical solution to the canvas attached to the cleaner unit or the base unit;
With
The canvas washing | cleaning apparatus with which the said chemical | medical solution provision part is provided in the downstream of the said cleaner part with respect to the traveling direction of the said canvas.   The canvas cleaning apparatus according to claim 1, wherein the cleaner unit and the chemical solution applying unit are arranged linearly with respect to a traveling direction of the canvas.   The canvas cleaning apparatus according to claim 1 or 2, wherein the chemical solution application unit includes a first support flow tube and a chemical nozzle unit provided at a tip of the first support flow tube. The cleaner part is composed of a second support flow pipe fixed to the base part, and a cleaner nozzle part provided at the tip of the second support flow pipe,
The canvas washing apparatus according to claim 3, wherein the first support flow pipe is attached to the second support flow pipe.   The canvas cleaning apparatus according to claim 4, wherein high-pressure water, high-pressure diluted water containing chemical liquid, or high-pressure air is sprayed from the cleaner nozzle portion. The cleaner part is composed of a second support flow pipe fixed to the base part, and a cleaner brush part or a cleaner blade part provided at the tip of the second support flow pipe,
The canvas washing apparatus according to claim 3, wherein the first support flow pipe is attached to the second support flow pipe.   The canvas cleaning apparatus according to any one of claims 1 to 3, wherein the cleaner portion has a hollow box shape.   The canvas cleaning apparatus according to claim 7, wherein high-pressure water, high-pressure diluted water containing a chemical solution, or high-pressure air is sprayed from the cleaner unit.

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