CN107503219A - An Efficient Calender Roll Heating System - Google Patents

Abstract

The invention discloses a high-efficiency calender roll heating system which comprises a rack and a calender roll component arranged on the rack, wherein the calender roll component comprises a lower calender roll component and an upper calender roll component arranged on a lifting mechanism; the lower calender roll component and the upper calender roll component comprise an outer cavity seat and a calender roll arranged on the inner side of the outer cavity seat, and an inner cover is arranged on the upper part of the calender roll; the upper part of the inner side of the inner cover is provided with a double-end elastic piece; swing rods are hinged to the top of the inner side of the inner cover at two ends of the double-end elastic piece; two ends of the double-end elastic piece are respectively fixed with the swing rod; the bottom of the oscillating bar is provided with a unhairing roller tightly attached to the calender roller; the efficient calender roll heating system disclosed by the invention has the advantages that the inner cover is used for carrying out closed preheating, the heating roll chain is used for carrying out temperature-regulating heating, the heating is efficient and balanced in temperature, the dust remover is used for carrying out circulating dust removal and heating, the working environment around the calender roll can be ensured, and meanwhile, the smoothness of paper can be ensured.

Description

An Efficient Calender Roll Heating System

technical field

The invention relates to a paper machine component, in particular to a high-efficiency calender roller heating system, and belongs to the technical field of paper machine components.

Background technique

Paper is an indispensable writing tool in today's society, and has played a great role in the development of society; in the papermaking industry, drying the processed pulp is an indispensable step in the papermaking process, and the heating effect of the heating device in the papermaking equipment The quality of the paper directly affects the quality of the product, that is, the paper. There are two ways to heat the calender roll in the papermaking industry, one is to heat the calender roll inside, such as passing high-temperature liquid into the calender roll to heat the calender roll, and the other is to heat the calender roll through the calender The temperature of the calender roll is increased by blowing hot air on the calender roll, because the structure of the calender roll is simplified by blowing hot air on the calender roll to increase the temperature of the calender roll, the use and maintenance are convenient, and the heating medium is widely used with low cost; for Here, Chinese patent application number: 201320623868.8 discloses a heating system for calender rollers. The heating device includes a box body and a heating element arranged in the box body. It is blown into the supply chamber, and the hot air can heat the calender roll through the heating hole, which shortens the distance between the heating device and the calender roll, reduces heat loss, and improves the heating efficiency of the calender roll. The top surface of the body is equipped with a blower nozzle connected to the blower pipe, and the wind loss between the blower pipe and the box body is convenient to use; but it is blown directly by the blower, and the surrounding processing environment is poor, and the heating temperature is not balanced enough. The temperature is not efficient enough.

Contents of the invention

In order to solve the above problems, the present invention proposes a high-efficiency calender roller heating system with high heating efficiency and balanced temperature, which can not only ensure the working environment around the calender roller, but also ensure the smoothness of the paper.

The high-efficiency calender roll heating system of the present invention includes a frame, and a calender roll assembly installed on the frame. The calender roll assembly includes a lower calender roll assembly, and an upper calender roll assembly installed on a lifting mechanism. Roll assembly; the lower calender roll assembly and the upper calender roll assembly include an outer cavity seat, and a calender roll installed inside the outer cavity seat, and an inner cover is installed on the upper part of the calender roll; the inner upper part of the inner cover Double-ended elastic parts are installed; the inner top of the inner cover is hinged with swing rods at both ends of the double-ended elastic parts; the two ends of the double-ended elastic parts are respectively fixed with the swing rods; A depilatory roller close to the calender roller; a fluffing roller is installed at the end of the calender roller away from the feed; a row of independent temperature-controlled heating roller chains close to the calender roller is installed near the feed end of the calender roller; the The calender roller is closely attached to an elastic chamber knife above the heating roller chain; the inner cover and the elastic chamber knife are connected through a flexible pipe; the inner cover is connected to a suction fan through a pipeline; the suction fan is connected to a dust collector; The output end of the dust collector is connected to the heating bin; the heating bin is connected to the inner cover through a pipeline; when working, the calender roller is cleaned and preheated first, and the calender roller is firstly cleaned by the fluffing roller, and then through the depilatory The roller cooperates with the suction fan to suck away the adhesive on the surface of the calender roller; when cleaning, the hot air is pumped into the inner cover through the heating chamber, which can not only complete the preheating of the calender roller, but also dry the adhesive to facilitate the suction fan Air extraction; then, the final cleaning and dust removal can be completed through the elastic chamber knife, and then, the calender roller is preheated by the hot air injected into the heating chamber, and the final heating is completed through the heating roller chain, which passes through the pressing Smooth rollers transfer heat directly to the paper to be pressed.

Further, the heating chamber includes a sealed chamber body, and a heater installed inside the sealed chamber body.

Still further, the heater includes an electric heating tube or a spiral oil heating tube.

Further, the lifting mechanism is installed on the frame; the lifting mechanism includes a sliding seat, and a sliding block installed on the sliding seat; the outer cavity seat is fixed on the sliding block; a guide seat is installed on the top of the sliding seat A deceleration motor is installed on the upper part of the sliding seat away from the outer cavity seat; a chain disc is installed on the deceleration motor; the chain disc, the guide seat and the outer cavity seat are connected by a chain.

Further, the heating roller chain includes an arc-shaped seat body; multiple roller bodies are sequentially installed on the arc-shaped seat body; a heating wire is installed inside each of the roller bodies.

Still further, the arc-shaped seat body is embedded in the outer cavity seat through the bolt tube; the bolt tube is installed with an adjusting nut outside the outer cavity seat.

Further, the elastic cavity knife includes a semi-cylindrical cavity seat, an inner rod and an outer rod; an elastic member is installed inside the inner rod; the inner rod is movably embedded inside the outer rod; the rear side of the inner rod is fixed to the outer Cavity seat; the front side of the outer rod is fixed to the middle part of the semi-cylindrical cavity seat.

Still further, a cable-stayed elastic member is arranged between the semi-cylindrical cavity seat and the outer cavity seat.

As a preferred embodiment, the dust collector is a cyclone dust collector or a bag filter.

As a preferred embodiment, the raising roller is driven by an independent motor.

Compared with the prior art, the present invention has a high-efficiency calender roller heating system, which is preheated by the closed inner cover and temperature-regulated heating by the heating roller chain. The heating is efficient and the temperature is balanced. It passes through the dust collector Circular dust removal and heating can not only ensure the working environment around the calender roller, but also ensure the smoothness of the paper.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the high-efficiency calender roll heating system of the present invention.

Fig. 2 is a schematic structural diagram of the heating roll chain of the high-efficiency calender roll heating system of the present invention.

Fig. 3 is a structural schematic diagram of the elastic chamber knife of the high-efficiency calender roll heating system of the present invention.

detailed description

Example 1:

As shown in Figure 1, the efficient calender roll heating system of the present invention includes a frame 1, and a calender roll assembly 2 installed on the frame 1, and the calender roll assembly 2 includes a lower calender roll assembly 3 , and the upper calender roll assembly 5 installed on the lifting mechanism 4; the lower calender roll assembly 3 and the upper calender roll assembly 5 include an outer cavity seat 6, and a calender roll 7 installed on the inner side of the outer cavity seat 6 , the upper part of the calender roller 7 is equipped with an inner cover 8; the inner upper part of the inner cover 8 is equipped with a double-ended elastic member 9; the inner top of the inner cover 8 is hinged with a swing rod 10 at both ends of the double-ended elastic member; The two ends of the double-ended elastic member 9 are respectively fixed to the swing rod 10; the bottom of the swing rod 10 is equipped with a hair removal roller 11 which is close to the calender roller 7; 12. The calender roller 7 is equipped with a row of independent temperature-controlled heating roller chains 13 close to the feeding end; the calender roller 7 is closely attached to an elastic cavity knife above the heating roller chain 13 14; the inner cover 8 and the elastic cavity knife 14 are connected by a flexible pipe 15; the inner cover 8 is connected to the suction fan 16 through a pipeline; the suction fan 16 is connected to the dust collector 17; the output end of the dust collector 17 is connected to to the heating chamber 18; the heating chamber 18 is connected to the inner cover 8 through pipelines; during work, the calender rollers are cleaned and preheated first, and the calender rollers first pass through the fluffing rollers for preliminary fluffing and cleaning, and then through the depilling rollers to cooperate with the suction The fan sucks away the sticky matter on the surface of the calender roll; when cleaning, the hot air is pumped into the inner cover through the heating chamber, which can not only complete the preheating of the calender roll, but also dry the sticky matter to facilitate suction by the suction fan; Then, the final cleaning and dust removal can be completed through the elastic chamber knife, and then, the calender rollers are preheated by the hot air injected into the heating chamber, and the final heating is completed through the heating roller chain, which will pass through the calender rollers. The heat is transferred directly to the paper to be pressed.

In yet another embodiment, the heating chamber 18 includes a sealed chamber body 19, and a heater 20 installed inside the sealed chamber body; the heater 20 includes an electric heating tube or a spiral oil heating tube.

In yet another embodiment, the lifting mechanism 4 is installed on the frame 1; the lifting mechanism 4 includes a sliding seat 21, and a sliding block 22 installed on the sliding seat; the outer cavity seat 6 is fixed on the sliding block 22 ; The top of the slide 21 is equipped with a guide seat 23; the top of the slide 21 is equipped with a reduction motor 24 away from the side of the outer cavity seat; a chain disc 25 is installed on the reduction motor 24; The seat 23 is connected with the outer cavity seat 6 by a chain 26 .

As shown in Figure 2, the heating roller chain 13 includes an arc-shaped seat body 27; a plurality of roller bodies 28 are sequentially installed on the arc-shaped seat body 27; a heating wire 29 is installed inside each of the roller bodies 28; The arc-shaped seat body 27 is embedded in the outer cavity seat 6 through the bolt tube 30; the bolt tube 30 is equipped with an adjusting nut 31 outside the outer cavity seat.

As shown in Figure 3, the elastic cavity knife 14 includes a semi-cylindrical cavity seat 32, an inner rod 33 and an outer rod 34; an elastic member 35 is installed inside the inner rod 33; the inner rod 33 is movably embedded in the outer rod 34 Inside; the rear side of the inner rod 33 is fixed to the outer cavity seat 6; the front side of the outer rod 34 is fixed to the middle part of the semi-cylindrical cavity seat 32; between the semi-cylindrical cavity seat 32 and the outer cavity seat 6 Cable-stayed elastic member 36.

Wherein, the dust collector 17 is a cyclone dust collector or a bag dust collector. The raising roller 12 is driven by an independent motor.

The high-efficiency calender roller heating system of the present invention is preheated through the closed inner cover, and the temperature-adjusted heating is carried out through the heating roller chain, so the heating is efficient and the temperature is balanced. The working environment around the calender roller can ensure the flatness of the paper at the same time.

Inspired by the above-mentioned ideal embodiment according to the present invention, through the above-mentioned description content, relevant workers can make various changes and modifications within the scope of not departing from the technical idea of the present invention. The technical scope of the present invention is not limited to the content in the specification, but must be determined according to the scope of the claims.

Claims (10)

1. A high-efficiency calender roll heating system, including a frame, and a calender roll assembly installed on the frame, characterized in that: the calender roll assembly includes a lower calender roll assembly, and is installed on a lifting mechanism The upper calender roll assembly on the top; the lower calender roll assembly and the upper calender roll assembly include an outer cavity seat, and a calender roll installed inside the outer cavity seat, and an inner cover is installed on the upper part of the calender roll; A double-ended elastic member is installed on the inner upper part of the inner cover; a swing rod is hinged to both ends of the double-ended elastic member on the inner top of the inner cover; the two ends of the double-ended elastic member are respectively fixed with the swing rod; There is a depilling roller that is close to the calender roller; a napping roller is installed at the end of the calender roller away from the feed; a row of independent temperature-controlled rollers that are close to the calender roller is installed near the feed end heating roller chain; the calender roller is closely attached to an elastic chamber knife above the heating roller chain; the inner cover and the elastic chamber knife are connected through a flexible pipe; the inner cover is connected to the suction fan through a pipeline; the suction fan is connected to to the dust collector; the output end of the dust collector is connected to the heating bin; the heating bin is connected to the inner cover through a pipe. 2. The high-efficiency calender roll heating system according to claim 1, wherein the heating chamber includes a sealed chamber body and a heater installed inside the sealed chamber body. 3. The high-efficiency calender roll heating system according to claim 2, characterized in that the heater comprises an electric heating tube or a spiral oil heating tube. 4. The high-efficiency calender roller heating system according to claim 1, characterized in that: the lifting mechanism is installed on the frame; the lifting mechanism includes a sliding seat, a slider installed on the sliding seat; The outer cavity base is fixed on the slider; the top of the slider is equipped with a guide seat; the upper part of the slider is far away from the side of the outer cavity seat and a deceleration motor is installed; the deceleration motor is equipped with a chain disc; the chain disc, The guide seat and the outer cavity seat are connected by a chain. 5. The high-efficiency calender roll heating system according to claim 1, characterized in that: the heating roll chain includes an arc-shaped base; multiple rolls are sequentially installed on the arc-shaped base; each A heating wire is installed inside the roller body. 6. The high-efficiency calender roller heating system according to claim 5, characterized in that: the arc-shaped seat body is embedded in the outer cavity seat through a bolt tube; and an adjusting nut is installed outside the outer cavity seat on the bolt tube. 7. The high-efficiency calender roller heating system according to claim 1, characterized in that: the elastic cavity knife includes a semi-cylindrical cavity seat, an inner rod and an outer rod; an elastic member is installed on the inner side of the inner rod; The inner rod is movably embedded in the inner side of the outer rod; the rear side of the inner rod is fixed to the outer cavity seat; the front side of the outer rod is fixed to the middle of the semi-cylindrical cavity seat. 8. The high-efficiency calender roll heating system according to claim 7, characterized in that: a cable-stayed elastic member is arranged between the semi-cylindrical cavity seat and the outer cavity seat. 9. The high-efficiency calender roller heating system according to claim 1, characterized in that: the dust collector is a cyclone dust collector or a bag dust collector. 10. The high-efficiency calender roll heating system according to claim 1, characterized in that: the napping roll is driven by an independent motor.