CN213995129U

CN213995129U - Melt-blown water distribution electret device

Info

Publication number: CN213995129U
Application number: CN202022822044.6U
Authority: CN
Inventors: 张三郎; 张祖峰; 夏向阳; 马青燕
Original assignee: Zhejiang Yongguang Non Woven Fabric Co ltd
Current assignee: Zhejiang Yongguang Non Woven Fabric Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-08-20
Anticipated expiration: 2030-11-30

Abstract

A melt-blown water distribution electret device belongs to the technical field of water electret and comprises: a pure water facility for preparing pure water; the pole holding tube is communicated with the pure water equipment through a water delivery pipe and is arranged across the melt-blown fabric along the width direction of the melt-blown fabric; the nozzle is arranged on the electret tube; the air pipe and the external air source are communicated with the nozzle and used for increasing pressure and accelerating water spraying speed; the supporting legs are used for connecting the pole holding tube with melt-blown fabric production equipment; and the water tank is used for collecting the pure water subjected to the spunlace. The utility model discloses simple structure, convenient operation adopts the water thorn electret, and the electret is efficient, and the electret is stable, increases outside air supply pressurization on the basis of high pressure water pump, improves water spray speed, increases the friction between pure water and the fibre to generate more electret. The device is additionally arranged on melt-blown fabric production equipment, and is quick and convenient.

Description

Melt-blown water distribution electret device

Technical Field

The utility model relates to a water electret technical field, in particular to melt-blown water distribution electret device.

Background

The melt-blown non-woven fabric has a very wide application range, wherein the melt-blown non-woven fabric is required to have good filtering and purifying performance in most application fields, and the filtering and purifying performance of the melt-blown non-woven fabric is determined by static electricity in the non-woven fabric, so that in the process of producing the melt-blown non-woven fabric, the melt-blown non-woven fabric needs to be subjected to electret treatment. However, the corona electret process has many disadvantages, such as small electrostatic adhesion, existence of time period for electret, high voltage hazard, etc. In order to avoid danger and improve the electret quality of melt-blown fabric, a water electret process is gradually developed, the working principle of the process is that pure water rubs fibers to generate charges, the water electret can generate more electrets, and the melt-blown fabric has better permeability. However, the existing water electret equipment is generally used for electret treatment of melt-blown non-woven fabrics of finished products, is inconvenient to produce, mostly adopts single water pipe spunlace electret, and has certain distance between nozzles, so that water pressure can be different, and the electret distribution is not uniform, and the filterability of finished fabrics is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a melt-blown water distribution electret device.

In order to solve the technical problem, the purpose of the utility model is to realize like this:

a melt-blown water electret device comprising:

a pure water device for supplying pure water;

the pole holding tube is communicated with the output end of the pure water equipment and arranged across the melt-blown fabric along the width direction of the melt-blown fabric;

and the nozzle is arranged on the electret tube.

Preferably, the number of the electret tubes is two, and the electret tubes are arranged side by side along the width direction of the non-woven fabric.

Preferably, a connecting pipe is arranged between the two standing pole pipes and is communicated with the two standing pole pipes.

Preferably, a valve is arranged on the connecting pipe for opening and closing the connecting pipe.

Preferably, the nozzles on the two electret tubes are arranged in a staggered manner.

Preferably, an air pipe is arranged between one sides of the electret pipes, the input end of the air pipe is communicated with an external air source, and the output end of the air pipe is communicated with the nozzle.

Preferably, the pole standing tube is fixedly provided with a supporting leg for supporting the pole standing tube, and the other end of the supporting leg is fixed on the melt-blown fabric production equipment.

Preferably, a water tank is arranged below the electret tube and used for collecting sprayed pure water.

The utility model has the advantages that: the whole device is arranged on a melt-blown fabric production line, so that the device is fast and stable; the double-row spunlace electret is adopted, so that the electret efficiency is high and the electret is stable; the double rows of spunlace electret nozzles are distributed in a staggered way, so that the uneven distribution of the electret caused by different water pressures can be effectively avoided; the pure water is sprayed out at an increased speed by pressurizing through an external air source, the generation of friction charges is increased, and the electret efficiency is improved; a connecting pipe is arranged between the two electret tubes to ensure that the pressure between the two electret tubes is equal and the electret is more stable; the connecting pipe is provided with a valve which can disconnect the two pole holding pipes, so that the two pole holding pipes can work independently without mutual influence. The utility model discloses simple structure, convenient operation, the security is high, installs swiftly conveniently additional, can effectively improve and stay electric quality and electret efficiency, and then improves and melt-blown non-woven fabrics permeability and filterability.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the structure and position of the present invention.

Fig. 3 is a schematic top view of a part of the structure.

Fig. 4 is a single electret tube drawing of the present invention.

In the figure: 1. a water purification device; 2. a pole standing tube; 3. a nozzle; 4. an air tube; 5. an external gas source; 6. a valve; 7. supporting legs; 8. a water tank; 21. and (4) connecting the pipes.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 4, a melt-blown water distribution electret device includes:

a pure water device 1, an electret tube 2 and a nozzle 3.

The pure water apparatus 1 is used for supplying pure water, and the preferred embodiment is as follows: producing pure water by adopting a two-stage reverse osmosis and EDI high-purity water process; the pure water equipment 1 is communicated with the electret tube 2 through a water delivery pipe, and after the pure water is prepared, the pure water is supplied with pressure by a high-pressure water pump arranged on the pure water equipment 1 and is delivered to the electret tube 2 and is sprayed out through a nozzle 3.

The polar tubes 2 are communicated with the output end of the pure water equipment 1, the number of the polar tubes is two, and the polar tubes are respectively communicated with the pure water equipment 1 so as to ensure that the two polar tubes 2 can be independently used; stay polar tube 2 spanes the setting of melt-blown fabric along melt-blown fabric width direction, and two stay polar tubes 2 set up side by side to through supporting legs 7 and melt-blown fabric production facility fixed connection, supporting legs 7 are the cylinder, one end and 2 fixed connection of stay polar tube, the other end and melt-blown fabric production facility fixed connection, a stay polar tube 2 has two supporting legs 7, sets up in the melt-blown fabric both sides along melt-blown fabric width direction. The supporting feet 7 can also be provided in other suitable forms.

Furthermore, a connecting pipe 21 is arranged between the two pole holding pipes 2 to communicate the two pole holding pipes 2, and the number of the connecting pipes 21 is two and is distributed on two sides of the melt-blown fabric, so that the influence on the water spraying of the nozzle 3 is avoided; the main function of the connecting pipe 21 is to ensure that the pressures of the two electret pipes 2 are equal, and to improve the electret efficiency.

Furthermore, the connecting pipe 2 is provided with a valve 6 for opening and closing the connecting pipe 21, so that the independent use of the two pole tubes 2 is not influenced when the connecting pipe is closed, and the pressure of the two pole tubes 2 is ensured to be equal when the connecting pipe is opened.

As shown in fig. 1 and fig. 3, a certain number of nozzles 3 are arranged on the electret tube 2, and the nozzles 3 are fan-shaped nozzles, the preferred embodiment of the present invention is: the number of the nozzles 3 on one standing pole tube 2 is 7, and the number of the nozzles 3 on the other standing pole tube is 8; the nozzles on the two electret tubes 2 are distributed in a staggered way, namely the position of the nozzle 3 on one electret tube 2 corresponds to the position of the middle point of the distance between the two nozzles 3 on the other electret tube 2, and the distribution has the advantage that the uneven distribution of the electret caused by the undersize water pressure far away from the nozzle 2 can be avoided.

Further, be provided with trachea 4 between two electret tubes 2, trachea 4 input intercommunication outside air supply 5, output intercommunication nozzle 3 through atmospheric pressure increase pure water blowout speed, increase the friction between pure water and the fibre to produce more static, improve electret efficiency. The external air source 5 is an air pump; a one-way valve is arranged between the air pipe 4 and the nozzle 3 to prevent pure water from entering the air pipe 4.

As shown in fig. 2, a water tank 8 is arranged below the electret tube 2 for collecting pure water after completion of hydroentanglement; the water tank 8 is communicated with the pure water equipment 1 through a water delivery pipe, collected pure water is delivered back to the pure water equipment 1 for recycling, and resources are saved.

The whole device is additionally arranged on the melt-blown fabric production equipment in the specific working process, wherein the water spraying direction of the nozzle 3 is vertical to the movement direction of the melt-blown fabric, then pure water is prepared through the pure water equipment 1, the pure water is pushed to the electret tube 2 through a high-pressure water pump arranged on the pure water equipment 1, the pure water and the nozzle 3 are sprayed to the melt-blown fabric from the nozzle 3, and meanwhile, an external air source is started to increase the pressure and improve the water-jet speed, so that the electret treatment of the melt-blown fabric is completed; the sprayed pure water is collected by the water tank 8 and then is transported back to the pure water equipment 1 through the water delivery pipe for recycling.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. A melt-blown water distribution electret device is characterized by comprising:

a pure water device (1) for supplying pure water;

the pole holding tube (2) is communicated with the output end of the pure water equipment (1) and arranged across the melt-blown fabric along the width direction of the melt-blown fabric;

and the nozzle (3) is arranged on the electret tube (2).

2. The melt-blown water distribution electret device according to claim 1, wherein the number of electret tubes (2) is two, and the electret tubes are arranged side by side along the width direction of the non-woven fabric.

3. The melt-blown water distribution electret device according to claim 2, wherein a connecting pipe (21) is arranged between the two electret pipes (2) to connect the two electret pipes (2).

4. A melt-blown water distribution electret device according to claim 3, wherein the connecting pipe (21) is provided with a valve (6) for opening and closing the connecting pipe (21).

5. A melt-blown water distribution electret device according to claim 2, wherein the nozzles (3) on the two electret tubes (2) are arranged in a staggered manner.

6. The melt-blown water distribution electret device according to claim 1, wherein an air pipe (4) is arranged on one side of the electret pipe (2), the input end of the air pipe (4) is communicated with an external air source (5), and the output end of the air pipe is communicated with the nozzle (3).

7. The melt-blown water distribution electret device according to claim 1, wherein the electret tube (2) is fixedly provided with a supporting leg (7) for supporting the electret tube (2), and the other end of the supporting leg (7) is fixed on melt-blown cloth production equipment.

8. The melt-blown water distribution electret device according to claim 1, wherein a water tank (8) is arranged below the electret tube (2) and used for collecting sprayed pure water.