Cleaning of spinneret - vacuum cleaning of furnace

2020-09-07 | 597Hit

Face masks and non-woven fabric is made by high polymer melt index of slices, after pressing heating, melting become flow performance is very good, after high temperature melt with high temperature, high speed stream of spewing from the spinneret melt blow trickle into fine fibers, on the receiving device (such as network machine) gathered into a fiber network, and USES waste heat own bond into the production process of each other. However, it is easy to plug up the spinneret which is used to melt spraying line, thus affecting the quality of melt spraying cloth.

What if the spinneret gets clogged? In fact, there are many ways to clear the blockage of spinneret board, but the one that has little influence on the quality of spinneret board is vacuum high-temperature calcination cleaning. This method can effectively avoid the damage and oxidation of the metallography structure of the workpiece, and maintain the original good metal luster of the workpiece. Now let's introduce the vacuum cleaning equipment for high-temperature calcination of spinneret - vacuum cleaning furnace.


The composition of vacuum cleaning furnace
The vacuum cleaning furnace is mainly composed of vacuum sealed furnace, stainless steel electric heat pipe heater, waste collection tank, water, water ring vacuum pump, work piece hanging basket and the temperature automatic program control system, vacuum pump automatic opening and closing system, waterway, instrument and so on.
Working principle of vacuum cleaning furnace

Working principle of vacuum cleaning furnace

Vacuum cleaning furnace is the use of plastic chemical fiber polymer melt at 300℃ or so, higher than 300℃ isolation air can be cracked coking, and produce a variety of pyrolysis products, higher than 400℃ in a small amount of oxygen, a certain degree of vacuum conditions can be completely oxidized. Use the sex, the workpiece heated to a temperature of about 300 ℃, first make the workpiece surface more polymer melt into the lower waste collecting cans, only a small amount of polymer in the workpiece surface microporous polymer and ash content, then combine temperature up to 400 ~ 500 ℃ (temperature can be drawn up according to the technical requirement), at the same time open the vacuum pump, and a small amount of air is piped in, make the rest of the polymer oxidative, generates carbon dioxide and water, through the vacuum pump will be floating in the furnace of ash content and water steam by water spray scrubber smoke released after spray washing, the water away, No pollution, smoke or ash is discharged indoors. Even if it is discharged outdoors, only a small amount of carbon dioxide is discharged, and very little ash is taken away from the water.


Three, vacuum cleaning furnace equipment characteristics

1. Vacuum cleaning furnace adopts high temperature resistant seal ring, no water cooling protection, so the device heating power is small, high thermal efficiency, heating speed, temperature uniformity, good heater inspection maintenance is convenient, the furnace heater heating power saving a lot of outside, more water-saving, and overcome the due to water cooling furnace temperature uniformity is poor, local defects such as cleaning effect is not good.

2. Mechatronics integrated design, easy installation. The furnace body and the control cabinet are integrated, which reduces the floor area of equipment and simplifies the installation work of equipment on site. Volume equipment using industrial elevators can be easily installed in designated locations without destroying existing buildings.

3. The equipment has a complete automatic working performance. As long as the programmed temperature controller is input into the proposed working procedure, the equipment can carry out automatic cleaning without manual intervention in the process, and has the functions of overtemperature, item absence, water cut off or low water pressure alarm.