CN101498083A

CN101498083A - Cold rolling reduction clearing apparatus

Info

Publication number: CN101498083A
Application number: CNA2009101111833A
Authority: CN
Inventors: 曾国平
Original assignee: Shishi Yeasun Dyeing & Finishing Co Ltd
Current assignee: Shishi Yeasun Dyeing & Finishing Co Ltd
Priority date: 2009-03-03
Filing date: 2009-03-03
Publication date: 2009-08-05

Abstract

The invention provides a cold-rolling, reduction and clearing device with simple structure, little water consumption and low cost, which comprises a stand and parts sequentially arranged on the stand according to a production line working procedure, wherein the parts comprise a cloth-feeding device, a pre-wetting bath, a reduction bath, a three-roll squeezer, a rinse bath, spraying devices, a two-roll squeezer and a cloth-retracting device; the reduction bath comprises a bath body with a certain liquid volume, a liquid-appending bath and a plurality of rotatable cloth-guiding rolls arranged in the bath body in parallel; the three-roll squeezer comprises a support and three cloth-guiding rolls arranged on the support in parallel; the rinse bath comprises a bath body and a plurality of rotatable cloth-guiding rolls arranged in the bath body in parallel; the two spraying devices are respectively used for cleaning the front and the back of cloth after being rinsed; the two-roll squeezer comprises a support and two cloth-guiding rolls arranged on the support in parallel; heating devices are respectively arranged in the reduction bath and the rinse bath, and part of cloth-guiding rolls is provided with a driving device. The invention is used for the desizing treatment and the reduction and clearing treatment of grey cloth.

Description

A kind of cold rolling reduction clearing apparatus

Technical field

The present invention relates to a kind of fabric treating unit, particularly a kind of cold rolling reduction clearing apparatus that is used for fabric is carried out destarch and reduction cleaning.

Background technology

With the yarn is the fabric of warp, all must handle through starching before weaving, and with brute force, ABRASION RESISTANCE and the smooth degree of raising warp thread, thereby reduces warp end break, and guaranteeing weaves cotton cloth carries out smoothly.The used oar material of warp sizing has natural slurry such as starch, wild starch, chemical sizwe such as polyvinyl alcohol (PVA), polyacrylic acid (PAA), cellulose preparation such as carboxymethyl cellulose (CMC) etc.Also add other composition such as preservative agent, softener, hygroscopic agent, anti-friction composition etc. in the sizing liquor.The grey cloth spreading mass is unfavorable to printing and dyeing processing, because the existence of slurry can be stain the dyeing and finishing working solution, expends dying material, even can hinder contacting of dying material and fiber, influences the quality of dyeing and printing products.Therefore, fabric just must be handled through destarch at the beginning of dyeing and finishing processing, remove the grey cloth spreading mass as much as possible, in addition, after dyeing painting cloth is carried out reduction cleaning so that obtain higher COLOR FASTNESS, traditional reduction cleaning substep is usually carried out, and certainly will increase the operation and the cost of fabric pretreatment like this, particularly traditional overflow reduction cleaning expends a large amount of fresh water, increases the processing cost of sewage simultaneously.

Summary of the invention

The purpose of this invention is to provide a kind of simple in structure, water is few, cost is low cold rolling reduction clearing apparatus.

The technical solution adopted in the present invention is such: a kind of cold rolling reduction clearing apparatus, comprise frame and be located at cloth-feeding device on the frame successively according to the streamline operation, reduction cell, three rolling cars, rinse bath, spray equipment, two rolling car and cloth collectors, described reduction cell comprises cell body and a plurality of rotatable fabric guide roll of being located at side by side in the cell body with certain liq volume, described three rolling cars reach three fabric guide rolls being located at side by side on the support by support and form, described rinse bath is made up of cell body and a plurality of rotatable fabric guide roll of being located at side by side in the cell body, spray equipment has two and is respectively applied for the cloth tow sides after cleaning are cleaned, described two rolling cars reach two fabric guide rolls being located at side by side on the support by support and form, be respectively equipped with heater in described reduction cell and the rinse bath, and the aforementioned fabric guide roll of part is provided with drive unit.

Above-mentioned cold rolling reduction clearing apparatus is provided with pre-wet sump and is used for grey cloth is carried out pre-wet process before the destarch between described cloth-feeding device and the reduction cell, described pre-wet sump is made up of cell body and some fabric guide rolls of being located at side by side in the cell body.

By adopting the aforementioned techniques scheme, the invention has the beneficial effects as follows: traditional destarch operation and reduction cleaning operation are realized with cold rolling reduction clearing apparatus, because of cold rolling destarch is destarch at normal temperatures, thereby its shrink of the cloth after the destarch also will be more much lower than high temperature destarch in the dyeing machine, desizing also reduces greatly to the consumption of water, electricity, vapour equal energy source simultaneously, when the product that some high color fastnesses are required carries out reduction cleaning in addition, this device has the effect better than reduction cleaning in the dyeing machine, and also shortens greatly on the time.

Description of drawings

Fig. 1 is the structural principle schematic diagram of embodiment;

The specific embodiment

With reference to figure 1, embodiment provides a kind of cold rolling reduction clearing apparatus, it comprises frame 1 and is located at the cloth-feeding device 2 on the frame 1, pre-wet sump 3, reduction cell 4, three rolling cars 5, rinse bath 6, spray equipment 7, two rolling cars 8 and cloth collector 9 successively according to the streamline operation, wherein said frame 1 is used for supporting and fixing other each part, cloth-feeding device 2 is uncoiling work feeds, so to back and forth folding cloth, then need not aforementioned decoiling equipment, directly the leftover of bolt of cloth is pulled out by some guide reels and get final product.Described pre-wet sump 3 is located at the downstream of cloth-feeding device 1, it is made up of cell body 31 and three fabric guide rolls of being located at side by side in the cell body 31 32, fill the fresh water under the normal temperature in the cell body 31, at least one described fabric guide roll 32 is in transmission connection with drive unit, this pre-wet sump 3 is used for grey cloth is carried out pre-wet process before the destarch, so that the full and uniform absorption reductant of grey cloth is realized better destarch effect.Described reduction cell 4 is located at the downstream of pre-wet sump 3, it is made up of the cell body 41 with certain liq volume and six rotatable fabric guide rolls of being located at side by side in the cell body 41 42, be provided with the heater (not shown) in the cell body 41, described three rolling cars 5 are located at the downstream of reduction cell 4, it reaches three fabric guide rolls 52 being located at side by side on the support 51 by support 51 and forms, described rinse bath 6 is located at the downstream of three rolling cars 5, it is made up of cell body 61 and nine rotatable fabric guide rolls of being located at side by side in the cell body 61 62, be provided with the heater (not shown) in the described cell body 61, spray equipment 7 is positioned at the downstream of rinse bath 6, it has two and be oppositely arranged the cloth tow sides that are respectively applied for after cleaning and wash, described two rolling cars 8 are located at the downstream of spray equipment 7, it reaches two fabric guide rolls 82 being located at side by side on the support 81 by support 81 and forms, described cloth collector 9 is similar with decoiling equipment, it comprises live-rollers 91 and drive unit 92, described live-rollers 91 is located on the frame 1 rotationally, drive unit 92 is not that live-rollers 91 is driven, but apply the locate side of rotating torque in package by the mode of frictional drive, thereby obtain a uniform linear velocity, described cloth-feeding device 2 adopts the type of drive identical with cloth collector 9, at the uniform velocity carry out to guarantee destarch and reduction cleaning, simultaneously pre-wet sump 3, reduction cell 4, three rolling cars 5, rinse bath 6, at least one fabric guide roll on the two rolling cars 8 is in transmission connection with a drive unit respectively, select corresponding gear for use according to the difference of each fabric guide roll diameter, make each device of whole cleaning reduction process have identical linear velocity.

In reduction cleaning, the batching head on the decoiling equipment is set around on each fabric guide roll by circuit shown in the drawings carries out rolling by live-rollers 91 at last, a specific embodiment that carries out reduction cleaning with aforementioned cleaning device is:

Fill normal temperature fresh water in the pre-wet sump 3, press reduction cleaner 10Kg in the reduction cell 4, liquid caustic soda 2Kg is mixed with 500L solution, utilize the liquid level of automatic Level Detection technology control reduction cell 4, simultaneously the fluid temperature in the reduction cell is heated to 90 ± 5 ℃, in the reduction cleaning process, testing result according to the cloth COLOR FASTNESS was changed liquid once every 3～4 hours, Pressure control between three rolling cars, 5 each fabric guide roll 52 is at 2.0～2.5Mpa, the cleaning temperature of rinse bath 6 is controlled at 85 ± 5 ℃, Pressure control between two rolling cars, 8 each fabric guide roll 82 is at 2.0～3.0Mpa, the speed of a motor vehicle of 40 ℃ of tests of processing request fastness is 50m/min, the speed of a motor vehicle of 60 ℃ of tests of processing request fastness is 40m/min, and for reaching the requirement of GB/T18401, rinse bath 6 goes out the cloth place and washes cloth covers with spray equipment 7, to reach the cloth cover free from extraneous odour, the pH value is controlled between the 4-7.5.

Superiority with traditional method contrast: cold rolling reduction cleaning technique adopting process more advanced, it will Traditional destarch and reduction cleaning technology make into to finish with cold rolling reduction clearing apparatus, have replaced overflow dyeing machine The technology of finishing, this cold rolling reduction clearing apparatus can make cloth cover absorb high concentration by reduction cell Alkali and other destarch auxiliary agent, make then cloth under closed state, allow it slowly rotate, necessarily The slurry that reaches cloth cover in time fully peels off and dissolves, and totally reaches destarch by the rinse bath washing again Effect. The reduction cell front has also added a pre-wet sump, makes cloth absorb more sufficiently uniformly reducing agent, Its destarch effect can reach the effect of secondary destarch in the cylinder, and does not need to take for a long time a machine Platform carries out destarch repeatedly, washing, and this has improved production efficiency greatly, because cold rolling destarch is at normal temperature Lower destarch also will reduce the energy of water, electricity, vapour greatly so it shrinks than high temperature destarch in the overflow dyeing machine The source consumes also and greatly reduces. Cold rolling reduction clearing apparatus is gone back the product that some high color fastnesses require Former cleaning has the effect better than reduction cleaning in the overflow dyeing machine, and also greatly shortens on the time. Energy resource consumption descended greatly when its maximum advantage was destarch and reduction cleaning, moved back than traditional overflow dyeing machine 28 tons/cylinder of slurry water saving cloth was saved 2 hours, and the cloth that has dyeed directly reduces with this device Clean, improve color fastness, than traditional 18 tons/cylinder of technology way water saving cloth, during joint 2 hours, Can economize on water in every month 69000 tons, 138000 yuan of the direct saving amount of money, and reduce by 60000 tons sewage row Put, this technology is integrated in conjunction with destarch and reduction cleaning technology, is present moving back of the most reasonable, science Slurry, reduction cleaning technology.

Claims

1, a kind of cold rolling reduction clearing apparatus, it is characterized in that: comprise frame and be located at cloth-feeding device on the frame successively according to the streamline operation, reduction cell, three rolling cars, rinse bath, spray equipment, two rolling car and cloth collectors, described reduction cell comprises cell body and a plurality of rotatable fabric guide roll of being located at side by side in the cell body with certain liq volume, described three rolling cars reach three fabric guide rolls being located at side by side on the support by support and form, described rinse bath is made up of cell body and a plurality of rotatable fabric guide roll of being located at side by side in the cell body, spray equipment has two and is respectively applied for the cloth tow sides after cleaning are cleaned, described two rolling cars reach two fabric guide rolls being located at side by side on the support by support and form, be respectively equipped with heater in described reduction cell and the rinse bath, and the aforementioned fabric guide roll of part is provided with drive unit.

2, cold rolling reduction clearing apparatus according to claim 1, it is characterized in that: be provided with pre-wet sump between described cloth-feeding device and the reduction cell and be used for grey cloth is carried out pre-wet process before the destarch, described pre-wet sump is made up of cell body and some fabric guide rolls of being located at side by side in the cell body.