CN220394159U - Inside high pressure belt cleaning device of vacuum roller - Google Patents

Abstract

The application discloses inside high pressure belt cleaning device of vacuum roll, through divide into a plurality of independent lumen with longer spray pipe, each independent lumen equipartition is a plurality of nozzles, the middle part of independent lumen sets up the water inlet, the water inlet passes through connecting water piping connection shunt, the shunt is through the pipe connection water inlet pipeline, a plurality of shorter sections in the water inlet pipeline's the water entering spray pipe, then spout from the nozzle of this section, from the inside of rotatory barrel to the inner wall jet of rotatory barrel, pass rotatory barrel's hole with the filth in the hole smash the discharge, this application water spray structure a plurality of nozzle spun water yield and water pressure are more balanced, the cleaning effect difference in each position of vacuum roll is little, prevent that partial region clearance phenomenon not put in place from appearing in the vacuum roll, product dark spot etc. quality problems and need shut down and rinse repeatedly, improve the complete machine cleaning quality, and then improve the holistic operating efficiency of paper machine.

Description

Inside high pressure belt cleaning device of vacuum roller

Technical Field

The application belongs to the vacuum roller field, especially relates to a inside high pressure belt cleaning device of vacuum roller.

Background

The vacuum roll, the vacuum couch roll and the vacuum suction roll of the paper machine are important parts on the paper machine and are characterized in that the vacuum roll, the vacuum couch roll and the vacuum suction roll are provided with vacuum chambers, the surfaces of the roll bodies are provided with uniformly distributed holes, the smoothness and the cleanness of the holes are kept in the running process, the reasonable vacuum degree is ensured, the dewatering effect and the cleanness of the vacuum roll directly influence the quality of paper sheets, the vacuum suction rolls of many paper machines have to be cleaned after working for 3-4 months due to serious blocking of holes, in the current cleaning mode, water spray pipes are arranged outside a box body of a vacuum box inside a vacuum roll, holes are uniformly distributed on the water spray pipes, or cleaning spray nozzles are uniformly distributed on the water spray pipes, water flow sprayed by the holes or the spray nozzles of the water spray pipes is sprayed to the inner wall of the shell, but for the large vacuum roll, the water spray pipes inside the large vacuum roll are relatively arranged longer, the water yield and the water outlet pressure of a plurality of nozzles arranged on the large vacuum roll are unbalanced, and the cleaning effect of each area of the vacuum roll is poor, so that the cleaning effect is poor; in addition, because the vacuum roller shell has smaller air suction hole diameter and deeper depth, and the shell rapidly rotates relative to the water spray pipe, most of water flow sprayed by the nozzle is blocked on the inner wall of the roller shell, the water quantity directly sprayed into the air suction hole is smaller, and the accumulated matters in the depth of the air suction hole can not be washed by enough water flow, so that the prior art needs to be further improved and improved.

Disclosure of Invention

The present utility model provides a vacuum roll internal high pressure cleaning apparatus that at least solves or alleviates one or more of the technical problems of the prior art, or at least provides an advantageous option.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an inside high pressure belt cleaning device of vacuum roll, includes rotatory barrel and sets up in the inside vacuum box of rotatory barrel, vacuum box outer wall is equipped with high pressure cleaning assembly, high pressure cleaning assembly includes along rotatory barrel axial installation in the outer spray pipe of vacuum box, the spray pipe includes a plurality of independent lumen, the nozzle is installed to the equipartition on the spray pipe, and the middle part of lumen is equipped with the water inlet, the water inlet is through connecting water piping connection distributive pipe, the distributive pipe passes through the pipe connection water inlet pipeline, and the water of water inlet pipeline is passed through from the nozzle blowout after the independent lumen that the distributive pipe got into the spray pipe, realizes a plurality of nozzle water pressures and water yield equilibrium to promote the cleaning performance.

According to the high-pressure cleaning device for the inside of the vacuum roller, the long water spraying pipe is divided into the independent pipe cavities, the plurality of nozzles are uniformly distributed in each independent pipe cavity, the water inlet is arranged in the middle of each independent pipe cavity and is connected with the water distribution pipe through the connecting water pipe, the water distribution pipe is connected with the water inlet pipeline through the pipe fitting, water in the water inlet pipeline enters the shorter sections of the water spraying pipe, then is sprayed out from the nozzles of the sections, is sprayed from the inside of the rotary cylinder body to the inner wall of the rotary cylinder body, passes through the holes of the rotary cylinder body to break and discharge dirt in the holes, so that cleaning is realized, and compared with the case that high-pressure water is directly introduced from one end of the water spraying pipe, the water spraying structure has more balanced water quantity and water pressure sprayed out by the plurality of nozzles, the cleaning effect difference of each position of the vacuum roller is small, the phenomenon that partial area cleaning is not in place is prevented, the product dark spots and other quality problems are caused, repeated cleaning is needed, the whole cleaning quality is improved, and the whole operation efficiency of the paper machine is improved.

Preferably, the water inlet pipeline is arranged inside the vacuum box body, one end of the water inlet pipeline extends out of the vacuum box body, the other end of the water inlet pipeline is connected with the pipe fitting, the pipe fitting is a multi-opening pipe joint, and the pipe fitting is fixedly connected to the outer wall of the vacuum box body.

Through setting up water inlet pipeline at the inner space of vacuum box, reduce the whole space occupation rate of vacuum roller inner space, guarantee that spray pipe and relevant part that is located vacuum box outer wall do not with rotatory barrel inner wall butt and fish tail barrel inside, the tip of water inlet pipeline stretches out the vacuum box, be convenient for dock high-pressure water source, and the pipe fitting can be tee bend pipe connector, cross pipe connector, carries out reasonable selection as required.

Preferably, one end of the water diversion pipe is connected with the opening of the pipe fitting, the other end of the water diversion pipe is connected with the connecting water pipe, and the connecting water pipe is a high-pressure soft water pipe.

Preferably, the spray pipe is connected with a reciprocating movement mechanism, and the reciprocating movement mechanism drives the spray pipe to reciprocate along the axial direction of the rotary cylinder body so as to increase the cleaning coverage range of the nozzle.

Since the rotary cylinder of the vacuum roller is provided with tens of thousands of holes, which generally account for about 20-30% of the rotary cylinder, the nozzles cannot be in one-to-one correspondence with the holes, and therefore, the spray pipe is connected with the reciprocating mechanism, and the reciprocating mechanism acts to swing the spray pipe left and right, so that the nozzles of the spray pipe can cover a wider range.

Preferably, the reciprocating mechanism comprises a telescopic oil cylinder, the telescopic oil cylinder is fixedly connected to the outer wall of the vacuum box body, a piston rod of the telescopic oil cylinder is connected with an oil cylinder joint, the oil cylinder joint is connected with a fixing seat, the spray pipe is connected with the fixing seat, and the telescopic oil cylinder acts to drive the spray pipe to swing and clean.

Preferably, the device further comprises a guide device, wherein the guide device is used for guiding the spray pipe in reciprocating movement, the guide device is axially arranged along the rotary cylinder body, the guide device comprises a guide shaft, a guide shaft fixing seat and a moving seat, the guide shaft is arranged between two opposite guide shaft fixing seats, the moving seat is connected with the guide shaft and can linearly move along the direction of the guide shaft, and the spray pipe is connected with the moving seat.

Considering that the length of the spray pipe is longer, certain weight is provided, and when the reciprocating mechanism drives the spray pipe to be placed in a reciprocating way, the situation of unstable movement exists, so that the position of the spray pipe is fixed by connecting the spray pipe with the guide device, and on the other hand, the spray pipe is driven to move by the reciprocating mechanism conveniently, the driving kinetic energy required by the reciprocating mechanism is reduced, and the energy consumption is reduced.

Preferably, the nozzle is a self-cleaning needle nozzle.

Because the holes penetrate from the outer surface of the rotary cylinder to the inner surface of the rotary cylinder, the depth is generally about 50-100mm, the diameters of the holes are smaller and are about 3.0-5.0mm, a common nozzle is used, the sprayed water flow directly penetrates into fewer holes, so that dirt in the deep holes is not completely washed out, and after a period of use, the nozzle is blocked due to a large amount of impurities such as fillers and fine fibers in water vapor and needs to be cleaned or replaced, so that the needle-shaped nozzle with self-cleaning function is selected, the water outlet pressure is high, and sprayed needle-shaped water columns can penetrate into the deep holes, so that the cleaning effect is better.

Preferably, the nozzles comprise a first nozzle and a second nozzle, water flows sprayed by the first nozzle and the second nozzle are respectively and vertically sprayed to two rows of holes adjacent to each other in the circumferential direction of the rotary cylinder, the first nozzle and the second nozzle are adjacently arranged, and the moving stroke of the reciprocating mechanism is adjusted according to the distance between the adjacent first nozzle or second nozzle.

The direction of the sprayed water flow can correspond to the two rows of holes adjacent to the circumferential direction of the rotary cylinder body through the arranged first nozzle and the second nozzle respectively, the first nozzle and the second nozzle are arranged adjacently, then the moving stroke of the reciprocating mechanism is adjusted according to the distance between the adjacent first nozzle or second nozzle, and in the rotating process of the rotary cylinder body and the action process of the reciprocating mechanism, the nozzles can clean the two rows of holes simultaneously, so that the cleaning range is enlarged, and the cleaning efficiency is improved.

The structure has the following beneficial effects:

the utility model provides an inside high pressure belt cleaning device of vacuum roll, a plurality of nozzle spun water yield and water pressure are more balanced, the cleaning effect difference in each position of vacuum roll is little, prevent that the phenomenon that partial region clearance is not in place from appearing in the vacuum roll, lead to appearing quality problems such as product dark spot and need shut down and wash repeatedly, improve complete machine cleaning quality, spray pipe connection reciprocating movement mechanism and guider, reciprocating movement mechanism action, make spray pipe reciprocating swing, thereby make the nozzle of spray pipe can cover wider scope, guider makes long spray pipe can smooth movement, select to use and wash the needle nozzle of shape and can stretch into the hole depths and clear up, and can clear up by oneself and prevent the condition that nozzle jam and can't use, the nozzle interval sets up first nozzle and the second nozzle of different spray direction, adjust reciprocating movement mechanism's stroke according to the nozzle interval, can enlarge the cleaning range, improve cleaning efficiency.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the present application and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic structural view of an exemplary embodiment of a high pressure cleaning apparatus according to the present application;

FIG. 2 is a schematic perspective view of an exemplary embodiment of a high pressure cleaning assembly of the present application;

FIG. 3 is a schematic view of the nozzle of the present application in an operational state of an exemplary embodiment;

description of the reference numerals:

1-rotating a cylinder; 10-holes; 2-a vacuum box body; 3-high pressure cleaning assembly; 30-a water spraying pipe; 301-a water inlet; 31-nozzles; 310-a first nozzle; 311-a second nozzle; 32-connecting a water pipe; 33-a water diversion pipe; 34-pipe fitting; 35-a water inlet pipeline; 4-a reciprocating mechanism; 40-a telescopic oil cylinder; 41-a piston rod; 42-an oil cylinder joint; 44-an oil return pipeline; 45-an oil inlet pipeline; 5-guiding means; 50-guiding shaft; 51-a guide shaft fixing seat; 52-moving the seat;

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit and scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

The present utility model will be described below with reference to the drawings.

The scheme adopted is as follows:

as shown in fig. 1-3, the utility model provides a high-pressure cleaning device in a vacuum roller, which comprises a rotary cylinder body 1 and a vacuum box body 2 arranged in the rotary cylinder body 1, wherein a high-pressure cleaning assembly 3 is arranged on the outer wall of the vacuum box body 2, the high-pressure cleaning assembly 3 comprises a water spraying pipe 30 axially arranged outside the vacuum box body 2 along the rotary cylinder body 1, the water spraying pipe 30 comprises a plurality of independent pipe cavities, nozzles 31 are uniformly distributed on the water spraying pipe 30, a water inlet 301 is arranged in the middle of the pipe cavity, the water inlet 301 is connected with a water distribution pipe 33 through a connecting water pipe 32, the water distribution pipe 33 is connected with a water inlet pipeline 35 through a pipe fitting 34, and water in the water inlet pipeline 35 is sprayed out from the nozzles after entering the independent pipe cavities of the water spraying pipe 30 through the water distribution pipe 33, so that water pressure and water quantity of a plurality of the nozzles are balanced, and the cleaning effect is improved.

According to the vacuum roll internal high-pressure cleaning device, the longer spray pipe 30 is divided into the independent pipe cavities, not shown in the figure, the independent pipe cavities are uniformly provided with the plurality of nozzles, the middle part of each independent pipe cavity is provided with the water inlet 301, the water inlet 301 is connected with the water distribution pipe 33 through the connecting water pipe 32, the water distribution pipe 33 is connected with the water inlet pipeline 35 through the pipe 34, water in the water inlet pipeline 35 enters a plurality of shorter sections in the spray pipe 30, then is sprayed out from the nozzles in the sections, is sprayed from the inside of the rotary cylinder body 1 to the inner wall of the rotary cylinder body 1, passes through the holes 10 in the rotary cylinder body 1 to break up and discharge dirt in the holes 10, so that cleaning is realized, compared with the situation that high-pressure water is directly introduced from one end of the spray pipe 30, the water sprayed out by the nozzles of the water spraying structure is more balanced, the cleaning effect difference of each position of the vacuum roll is small, the phenomenon that partial area cleaning is not in place is prevented, the problem that product dark spots and the like appear is caused, the whole machine is required to be cleaned up repeatedly, and the whole machine is further the running efficiency of the paper machine is improved.

As a preferred embodiment of the present application, as shown in fig. 3, a water inlet pipeline 35 is disposed inside the vacuum box 2, one end of the water inlet pipeline 35 extends out of the vacuum box 2, the other end of the water inlet pipeline 35 is connected to a pipe 34, the pipe 34 is a multi-opening pipe joint, and the pipe 34 is fixedly connected to the outer wall of the vacuum box 2.

Through setting up intake pipe 35 at the inner space of vacuum box 2, reduce the whole space occupation of vacuum roll inner space, guarantee that the spray pipe 30 and the relevant part that are located vacuum box 2 outer wall do not support with rotatory barrel inner wall and fish tail barrel is inside, intake pipe 35's tip stretches out vacuum box 2, be convenient for dock high-pressure water source, pipe fitting 34 can be tee bend pipe joint, four-way pipe joint etc. in the drawing, it is tee bend pipe joint to be intake end connection is located the inside intake pipe 35 of vacuum box 2, two water-out ends have connected two water diversion pipes 33 respectively, the end connection connecting water pipe 32 of water diversion pipe 33, connecting water pipe 32 select high-pressure hose, high-pressure hose connects the water inlet 301 of spray pipe 30, divide spray pipe 30 into two sections regions in the drawing, thereby promote the water yield and the water pressure of spraying of a plurality of nozzles respectively, according to actual vacuum roll length needs, reasonable reposition of redundant personnel can be understood by skilled in the art.

Considering that the rotary cylinder 1 of the vacuum roll is processed with tens of thousands of holes 10, which generally accounts for about 20-30% of the rotary cylinder 1, the nozzles cannot be in one-to-one correspondence with the holes 10, therefore, in this embodiment, the water spray pipe 30 is connected with the reciprocating mechanism 4, the reciprocating mechanism 4 acts to enable the water spray pipe 30 to swing left and right, the arrangement of the high-pressure soft water pipe does not influence the movement of the water spray pipe 30, the structural design is more reasonable, so that the nozzle of the water spray pipe 30 can cover a wider range, the water spray pipe 30 is connected with the reciprocating mechanism 4, and the reciprocating mechanism 4 drives the water spray pipe 30 to reciprocate along the axial direction of the rotary cylinder 1, so as to increase the cleaning coverage of the nozzle.

The specific structure of the reciprocating mechanism 4 is shown in fig. 1 and 2, the reciprocating mechanism 4 comprises a telescopic oil cylinder 40, the telescopic oil cylinder 40 is fixedly connected to the outer wall of the vacuum box body 2, an oil return pipeline 44 and an oil inlet pipeline 45 of the telescopic oil cylinder 40 are connected with pipelines inside the vacuum box body 2, a piston rod 41 of the telescopic oil cylinder 40 is connected with an oil cylinder joint 42, the oil cylinder joint 42 is connected with a fixing seat, a spray pipe 30 is connected with the fixing seat, and the telescopic oil cylinder 40 acts to drive the spray pipe 30 to swing and clean.

Considering that the length of the spray pipe 30 is longer, a certain weight exists, when the reciprocating mechanism 4 drives the spray pipe 30 to be placed in a reciprocating manner, the movable unstable condition exists, therefore, in the embodiment, the movable type spray pipe device further comprises a guide device 5, the guide device 5 is used for guiding the spray pipe 30 when in reciprocating manner, a plurality of guide devices 5 are arranged along the axial direction of the rotary cylinder body 1, each guide device 5 comprises a guide shaft 50, a guide shaft fixing seat 51 and a movable seat 52, the guide shafts 50 are arranged between the two opposite guide shaft fixing seats 51, the movable seats 52 are connected with the guide shafts 50 and can linearly move along the direction of the guide shafts 50, and particularly, the movable seats are provided with through holes adapting to the guide shafts, linear bearings are arranged in the through holes, so that the spray pipe 30 can conveniently slide transversely, the spray pipe 30 is connected with the movable seats 52, and the spray pipe 30 is connected with the guide device 5, so that the position of the spray pipe 30 is fixed, and on the other hand, the reciprocating mechanism 4 can conveniently drive the spray pipe 30 to move, and the driving kinetic energy required by the reciprocating mechanism 4 is reduced, so that the energy consumption is reduced.

As a preferred embodiment of the present application, the nozzle is a self-cleaning needle nozzle.

Because the holes 10 penetrate from the outer surface of the rotary cylinder 1 to the inner surface of the rotary cylinder 1, the depth is generally about 50-100mm, the diameters of the holes 10 are smaller and are about 3.0-5.0mm, common nozzles are used, the sprayed water flow directly penetrates into less holes 10, so that dirt in the deep parts of the holes 10 is not completely washed out, and after a period of use, the nozzles are blocked due to a large amount of impurities such as fillers and fine fibers in water vapor and need to be cleaned or replaced, so that the needle-shaped nozzles with self-cleaning function are selected, the water outlet pressure is high, and sprayed needle-shaped water columns can penetrate into the deep parts of the fine holes 10, so that the cleaning effect is better.

Further, as shown in fig. 3, the nozzles include a first nozzle and a second nozzle, the water streams ejected from the first nozzle and the second nozzle are respectively ejected vertically to two rows of holes 10 adjacent in the circumferential direction of the rotary cylinder 1, the first nozzle and the second nozzle are arranged adjacent to each other, and the moving stroke of the reciprocating mechanism 4 is adjusted according to the distance between the adjacent first nozzle or second nozzle.

The direction of the ejected water flow can be respectively corresponding to the two rows of holes 10 adjacent to the circumferential direction of the rotary cylinder 1 through the arranged first nozzle 310 and the second nozzle 311, the first nozzle and the second nozzle are arranged adjacently, then the moving stroke of the reciprocating mechanism 4 is adjusted according to the distance between the adjacent first nozzle or second nozzle, and in the process of rotating the rotary cylinder 1 and moving the reciprocating mechanism 4, the nozzles can clean the two rows of holes 10 simultaneously, so that the cleaning range is enlarged, and the cleaning efficiency is improved.

The utility model can be realized by adopting or referring to the prior art at the places which are not described in the utility model.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. However, it is noted that a direct connection indicates that two bodies connected together do not form a connection relationship by an excessive structure, but are connected to form a whole by a connection structure. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The description as it relates to "first", "second", etc. in the present utility model is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that various modifications and substitutions are possible within the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (8)

1. The utility model provides an inside high pressure belt cleaning device of vacuum roll, includes rotatory barrel and sets up in the inside vacuum box of rotatory barrel, its characterized in that, vacuum box outer wall is equipped with high pressure cleaning assembly, high pressure cleaning assembly includes along rotatory barrel axial installation in the outer spray pipe of vacuum box, the spray pipe includes a plurality of independent lumen, the nozzle is installed to the equipartition on the spray pipe, and the middle part of lumen is equipped with the water inlet, the water inlet is through connecting water piping connection distributive pipe, the distributive pipe passes through the pipe connection water inlet pipeline, and the water of water inlet pipeline is through the independent lumen back blowout from the nozzle of distributive pipe entering spray pipe, realizes a plurality of nozzle water pressures and water yield equilibrium to promote the cleaning performance.

2. The device for cleaning the inside of a vacuum roll under high pressure according to claim 1, wherein the water inlet pipeline is arranged inside the vacuum box body, one end of the water inlet pipeline extends out of the vacuum box body, the other end of the water inlet pipeline is connected with the pipe fitting, the pipe fitting is a multi-opening pipe joint, and the pipe fitting is fixedly connected to the outer wall of the vacuum box body.

3. The device according to claim 2, wherein one end of the water diversion pipe is connected with the opening of the pipe fitting, the other end of the water diversion pipe is connected with the connecting water pipe, and the connecting water pipe is a high-pressure soft water pipe.

4. A vacuum roll internal high pressure cleaning apparatus according to claim 3, wherein the water spray pipe is connected to a reciprocating mechanism which drives the water spray pipe to reciprocate along the axial direction of the rotary cylinder body so as to increase the cleaning coverage of the nozzle.

5. The device for cleaning the inside of the vacuum roll under high pressure according to claim 4, wherein the reciprocating mechanism comprises a telescopic oil cylinder, the telescopic oil cylinder is fixedly connected to the outer wall of the vacuum box body, a piston rod of the telescopic oil cylinder is connected with an oil cylinder joint, the oil cylinder joint is connected with a fixing seat, the spray pipe is connected with the fixing seat, and the action of the telescopic oil cylinder drives the spray pipe to swing and clean.

6. The device for cleaning the inside of a vacuum roll according to claim 4, further comprising a guide device, wherein the guide device is used for guiding the spray pipe in reciprocating movement, a plurality of guide devices are arranged along the axial direction of the rotary cylinder, the guide device comprises a guide shaft, a guide shaft fixing seat and a moving seat, the guide shaft is arranged between two opposite guide shaft fixing seats, the moving seat is connected with the guide shaft and can linearly move along the direction of the guide shaft, and the spray pipe is connected with the moving seat.

7. The apparatus of claim 4, wherein the nozzle is a self-cleaning needle nozzle.

8. The apparatus according to claim 7, wherein the nozzles comprise a first nozzle and a second nozzle, and the water streams ejected from the first nozzle and the second nozzle are respectively ejected to two rows of holes adjacent in the circumferential direction of the rotary cylinder, and the first nozzle and the second nozzle are arranged adjacent to each other, and the movement stroke of the reciprocating mechanism is adjusted according to the distance between the adjacent first nozzle and second nozzle.