CN110904721A

CN110904721A - Ultrasonic humidifying device of paper machine

Info

Publication number: CN110904721A
Application number: CN201911422544.6A
Authority: CN
Inventors: 水玉峰; 王波; 胡燕冬
Original assignee: Shanghai Orient Champion Paper Co Ltd
Current assignee: Shanghai Orient Champion Paper Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-03-24

Abstract

The invention relates to an ultrasonic humidifying device of a paper machine, which comprises a water tank (1) and at least one long pipe (2) which are connected through a pipeline, wherein a water inlet pipe is arranged on the side surface of the water tank (1), clear water (13) and at least one ultrasonic atomizer (12) which vibrates the clear water (13) to generate atomized water vapor (14) are arranged in the water tank (1), the ultrasonic atomizer (12) is arranged on the bottom surface of the water tank (1), the clear water (13) is positioned in the water tank (1), and at least one air outlet hole (21) is arranged on the long pipe (2). Compared with the prior art, the invention has the advantages of convenient installation, low consumption, wide application range and the like.

Description

Ultrasonic humidifying device of paper machine

Technical Field

The invention relates to the field of paper production, in particular to an ultrasonic humidifying device of a paper machine.

Background

The living paper is also called tissue paper, the weight of the tissue paper is usually 11.5 g to 22 g due to low weight, and the tissue paper is dried on a single yankee dryer and then subjected to a special wrinkling process; during the period, paper dust is easy to generate, so that paper dust in a workshop flies, and the paper machine needs to be humidified to avoid the situation;

for example, although the forming effect of the BF machine in the river of japan is good, the difference between the two surfaces of the base paper is significant, and the delamination phenomenon is easily generated during the slitting and rewinding processes, which causes the poor processing and use effect, because the BF machine sometimes avoids the quality problem caused by the water dropping from the air hood, and the over-drying phenomenon is generated by increasing the air pressure during the drying process of the base paper, which causes the moisture of the base paper to be slightly lower than the national standard moisture by 5-9%, which causes the static electricity of the base paper, and the hand feeling to be poor.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide the ultrasonic humidifying device for the paper machine, which improves the water content of paper, has high water resource utilization rate and strong adaptability.

The purpose of the invention can be realized by the following technical scheme:

by performing systematic analysis on the paper making process, the application considers that: after the paper web is dried and wrinkled, the paper web is properly humidified before being reeled, so that quality problems such as dripping water and the like are avoided, and meanwhile, the difference and the hand feeling of the two sides of the paper are improved, and the requirements of customers can be met.

The utility model provides a paper machine ultrasonic wave humidification device, the device include through pipe connection's water tank and an at least long tube, water tank side be equipped with the inlet tube, can add water to the water tank at any time, vibrate the ultrasonic atomization ware that produces atomizing steam including clear water and at least one with the clear water in the water tank, ultrasonic atomization ware locate the water tank bottom surface, the clear water be located the water tank, the long tube on be equipped with at least one venthole.

Furthermore, an air inlet pipeline for providing compressed air is arranged on the outer side of the water tank, and atomized water vapor is sprayed from the air outlet and is pressurized by the compressed air to form high-pressure atomized water vapor.

Furthermore, the pipeline or the air inlet pipeline is a hose, the hose is selected for use, the operation is more flexible, and the humidifying position can be changed at any time according to different stations.

Furthermore, the space between every two air outlet holes is 8-12cm, and the air outlet holes are through holes or shower nozzles with the diameter of 5-10 mm.

Furthermore, each shower head comprises 10-30 small holes with the diameter of 0.5-1mm, and the selection of the shower heads is favorable for generating finer water mist, so that the water mist can be uniformly sprayed on paper, and a good humidifying effect is achieved.

Furthermore, a ball valve switch for controlling the air inlet pressure and flow is arranged on the air inlet pipeline.

Furthermore, a liquid level control floating ball for controlling the clear water liquid level is arranged in the water tank, so that the liquid level can be controlled to be kept unchanged, and the device can run stably.

Furthermore, the water tank is transparent, and whether the water level reaches the standard can be observed at any time, namely the water level is adjusted.

Furthermore, the long pipe is made of PVC, and the material is pressure-resistant and corrosion-resistant and can be used for a long time.

The liquid level control floater can guarantee that water level control is about 8cm in the water tank, through ultrasonic atomization device, can produce atomizing steam above the water level, then connect the PVC pipe at the opposite side opening takeover of water tank, this PVC pipe is carried out and is offered the aperture about a diameter 8mm about every 10cm, atomizing steam in the water tank can be blown the opening aperture of PVC pipe through compressed air, it is preferred 27, last high pressure atomizing steam can be even add on the paper web that the paper machine corrugates, thereby reach the effect of paper web humidification.

This humidification device's water smoke from lower up blowout, if there is the water droplet of condensation to produce at the in-process that water smoke produced, will be because the action of gravity drips, and can not spout on paper, this humidification device's water smoke combines together with the hydrophilic surface of paper, plays the humidification effect, and paper after the humidification can roll along with the machine and move ahead, can not stop too long time in the humidification region for the humidification effect is effective and the water resource is not wasted.

Compared with the prior art, the invention has the following advantages:

(1) the invention can make the base paper reach 5-9% of national standard moisture by adjusting the pressure and flow of compressed air and further adjusting the speed of water mist ejection, thereby improving the hand feeling of the base paper, reducing the layering of the base paper and reducing the generation of paper powder in a workshop;

(2) the invention can further humidify the paper according to different paper or different production lines by adjusting the arrangement, size and form of the holes on the long pipe, thereby ensuring that the water mist is not excessively condensed to cause dripping and ensuring sufficient water quantity and achieving the required humidifying effect;

(3) convenient installation, low consumption: the water is atomized in the humidification process, the dispersed particle size of the water mist is reduced, the humidification effect of the water can be maximized, and the water cannot drop due to too large particle size, so that the using amount of water resources is saved; meanwhile, compressed air is generated without independently using an air compressor, and only needs to be connected with public works, so that equipment investment is saved;

(4) the application range is wide: the device is suitable for various papermaking systems, and the direction and the angle of the hose can be adjusted according to different types of papermaking systems.

Drawings

FIG. 1 is a schematic view of a humidifier in example 1;

the reference numbers in the figures indicate: the device comprises a water tank 1, an air inlet pipeline 11, an ultrasonic atomizer 12, clean water 13, atomized water vapor 14, a long pipe 2, an air outlet 21 and high-pressure atomized water vapor 22.

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments.

Example 1

The utility model provides a paper machine ultrasonic humidifying device, as figure 1, the device includes through pipe connection's water tank 1 and a long pipe 2 that 3m is long, 10cm eminences are equipped with the inlet tube in the water tank 1 side, can be at any time to adding water in the water tank, vibrate the ultrasonic atomization ware 12 that produces atomizing steam 14 with clear water 13 including clear water 13 and 8 in the water tank 1, ultrasonic atomization ware 12 locates the water tank 1 bottom surface, clear water 13 is located the water tank 1, be equipped with 27 ventholes 21 on the long pipe 2. An air inlet pipeline 11 for providing compressed air is arranged outside the water tank 1, and the air outlet 21 sprays high-pressure atomized water vapor 22 formed by pressurizing the atomized water vapor 14 by the compressed air. Wherein, pipeline or admission line 11 are the hose, select for use the hose, and the operation is more nimble, can be according to the station difference, changes the position of humidification at any time.

The interval of each air outlet 21 is 10cm, and the air outlet 21 is a through hole with the diameter of 8 mm. The air inlet pipeline 11 is provided with a ball valve switch for controlling air inlet pressure and flow. A liquid level control floating ball for controlling the liquid level of the clean water 13 is arranged in the water tank 1, and the liquid level can be controlled to be kept unchanged at 8cm, so that the device runs stably. The water tank 1 is transparent, and can observe whether the water level reaches the standard at any time, even if the water level is adjusted. The long tube 2 is made of PVC (polyvinyl chloride) with the length of 3m, and the material is pressure-resistant and corrosion-resistant and can be used for a long time.

Example 2

Different from the embodiment 1, the air outlet 21 on the long tube 2 is a shower head with the diameter of 8mm, and 25 small holes with the diameter of 0.8mm are arranged on the shower head.

Claims

1. The utility model provides a paper machine ultrasonic humidifying device, its characterized in that, the device include through pipe connection's water tank (1) and an at least long tube (2), water tank (1) side be equipped with the inlet tube, vibrate ultrasonic atomizer (12) that produce atomizing steam (14) including clear water (13) and at least one in water tank (1), ultrasonic atomizer (12) locate water tank (1) bottom surface, clear water (13) be located water tank (1), long tube (2) on be equipped with at least one venthole (21).

2. A ultrasonic humidifying device of a paper machine according to claim 1, characterized in that an air inlet duct (11) for providing compressed air is provided outside the water tank (1), and the air outlet (21) is used for ejecting atomized water vapor (14) and pressurized by the compressed air to form high-pressure atomized water vapor (22).

3. A ultrasonic moistening device for a paper machine according to claim 1 or 2, characterized in that the duct or air inlet duct (11) is a hose.

4. A ultrasonic moistening device for a paper machine according to claim 1, characterized in that the distance between the individual air outlets (21) is 8-12cm, and the air outlets (21) are through holes or showers with a diameter of 5-10 mm.

5. An ultrasonic moistening device for a paper machine according to claim 4, characterized in that each shower head comprises 10-30 holes with a diameter of 0.5-1 mm.

6. A ultrasonic humidifying device of a paper machine according to claim 1, characterized in that the air inlet duct (11) is provided with a ball valve switch for controlling the air inlet pressure and flow.

7. A ultrasonic humidifying device of a paper machine according to claim 1, characterized in that a liquid level control float ball for controlling the liquid level of the clear water (13) is provided in the water tank (1).

8. A machine ultrasonic moistening device according to claim 1, characterized in that the water tank (1) is transparent.

9. A ultrasonic wave moistening device for a paper machine according to claim 1, characterized in that the material of the long tube (2) is PVC.