A kind of liquid ammonia mercerizer equipment of knit fabric
Technical field
The present invention relates to a kind of processed equipment of garment material, relate in particular to a kind of liquid ammonia mercerizer equipment of knit fabric.
Background technology
Cotton fiber is in concentrated caustic solution and having that under the effect of tension force irreversible swelling can to take place be mercerising, the pure-cotton fabric glossiness behind the mercerising and the adsorption capacity of fiber improve, the textile goods of producing are bright-colored beautiful, but the caustic soda mercerising exists that the salkali waste rate of recovery is low, environmental pollution is big and mercerising after the harder shortcoming of lining feel; Scientific research afterwards finds to utilize the liquefied ammonia micromolecule to enter cotton fiber inside also can be so that irreversible swelling takes place cotton fiber be liquid ammonia mercerization, its effect be equal to conventional caustic soda mercerising and through the lining feel after the liquid ammonia mercerization become soft more, gloss soft more be that anti-crease property can improve through the easy-care properties of the lining behind the liquid ammonia mercerization simultaneously.
Liquid ammonia mercerization is to carry out in the machine system of sealing, after making the liquefied ammonia molecule liquefy under-33 ℃ of temperature, enter the cotton fiber inside that is subjected to tension force, reclaim liquefied ammonia in sealing machine inside by the mode of the gasification that heats up then, in sealing machine inside, ammonia recovery behind the liquid ammonia mercerization is generally more than 95%, even can reach more than 99%, because most ammonia can reclaim cycling and reutilization, processing mode itself has the effect of environmental protection, and it is higher through the lining class behind the liquid ammonia mercerization, improve the class of textile product, increased value-added content of product and scientific and technological content.
The sealing liquid ammonia mercerizer that adopts can carry out liquid ammonia mercerization to shuttle-woven fabric effectively at present, but but can't produce knit fabric, this is because shuttle-woven fabric itself is more open and more flat, and selvedge has the natural tendency of crispaturaing during knit fabric elasticity comparison Datong District, can't produce on the liquid ammonia mercerizer of shuttle-woven fabric being suitable for, otherwise it is big especially to exist warp-wise to shrink, and has the problem of pleat trace and the serious impression of bead portion in the middle of the cloth, has a strong impact on the product quality of lining.
Summary of the invention
Technical problem to be solved by this invention provides a kind ofly not only can but also can carry out the liquid ammonia mercerizer equipment of the knit fabric of mercerising to knit fabric to shuttle-woven fabric.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of liquid ammonia mercerizer equipment of knit fabric, comprise the input unit of weaving cotton cloth, liquid ammonia mercerization treating apparatus and liquefied ammonia retracting device, described liquid ammonia mercerization treating apparatus comprises liquefied ammonia padding machine device, reaction member and steaming vessel, described liquefied ammonia padding machine device comprises liquefied ammonia groove and squeeze device, the top of the described input unit of weaving cotton cloth is provided with first group of fabric guide roll, described weaving cotton cloth is provided with first group of expanding roller combination between input unit and the described liquid ammonia mercerization treating apparatus, the import department of described liquefied ammonia groove is provided with second group of expanding roller combination, be provided with the 3rd group of expanding roller combination between the outlet of described liquefied ammonia groove and the described squeeze device, the porch of described reaction member is provided with the 4th group of expanding roller combination, be provided with the 5th group of expanding roller combination between described reaction member and the described steaming vessel, the exit of described steaming vessel is provided with the 6th group of expanding roller combination, is provided with the 7th group of expanding roller combination between described liquid ammonia mercerization treating apparatus and the described liquefied ammonia retracting device.
The structure of described seven groups of expanding rollers combination is identical, and every group of expanding roller combination is made up of three spreading rolls, and the outer circumference surface of described expanding rod is provided with opposite positive roller vane group of rotation direction and anti-roller vane group.
The length of described positive roller vane group and described anti-roller vane group is half of described spreading roll length, described positive roller vane group and described anti-roller vane group are formed by a plurality of roller blades, and the material of described roller blade is rubber or stainless steel.
Described weaving cotton cloth is provided with automatic centring device between input unit and the described first group of expanding roller combination, and making weaves cotton cloth is in the middle position in transmission course.
Described reaction member comprises cylinder, the top of described cylinder is provided with second group of fabric guide roll, and in liquid ammonia mercerization treating apparatus inside, tension-adjusting gear and variable speed electric motors, particularly are installed are used to regulate the speed of a motor vehicle, so as control when producing the speed of a motor vehicle and the size of tension force.
Compared with prior art, advantage of the present invention is that the assigned address at liquid ammonia mercerizer is provided with the combination of expanding roller, reduced the tension force of knit fabric in transmission course, also the crimping of knit fabric is pushed aside to prevent crimping simultaneously, reducing its warp-wise shrinks, and above the input unit of weaving cotton cloth, be provided with first group of fabric guide roll, make knit fabric in transmission course, avoid original pre-drying cylinder and directly enter the liquid ammonia mercerization treating apparatus by first group of fabric guide roll, to prevent that knit fabric is extruded the formation fold, therefore, on same liquid ammonia mercerizer after the improvement, as long as select the different cloth routes of walking respectively shuttle-woven fabric and knit fabric to be carried out mercerising with regard to realizing, convenient and practical, also provide cost savings.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present invention;
Fig. 2 is the enlarged diagram of liquid ammonia mercerization treating apparatus of the present invention;
Fig. 3 is the structural representation of expanding rod of the present invention.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
As shown in the figure, a kind of liquid ammonia mercerizer equipment of knit fabric, comprise the input unit 1 of weaving cotton cloth, liquid ammonia mercerization treating apparatus 2 and liquefied ammonia retracting device 3, liquid ammonia mercerization treating apparatus 2 comprises liquefied ammonia groove 21 and squeeze device 22, reaction member 23 and steaming vessel 24, the weave cotton cloth top of input unit 1 is provided with first group of fabric guide roll 4, reaction member 23 comprises cylinder 231, the top of cylinder 231 is provided with second group of fabric guide roll 7, weave cotton cloth and be provided with first group of expanding roller combination 51 between input unit 1 and the liquid ammonia mercerization treating apparatus 2, weave cotton cloth and be provided with automatic centring device 6 between input unit 1 and first group of expanding roller combination 51, the import department of liquefied ammonia groove 21 is provided with second group of expanding roller combination 52, be provided with the 3rd group of expanding roller combination 53 between the outlet of liquefied ammonia groove 21 and the squeeze device 22, the porch of reaction member 23 is provided with the 4th group of expanding roller combination 54, be provided with the 5th group of expanding roller combination 55 between reaction member 23 and the steaming vessel 24, the exit of steaming vessel 24 is provided with the 6th group of expanding roller combination 56, be provided with the 7th group of expanding roller combination 57 between liquid ammonia mercerization treating apparatus 2 and the liquefied ammonia retracting device 3, the structure of seven groups of expanding roller combinations is identical, every group of expanding roller combination is made up of three spreading rolls 8, the outer circumference surface of expanding rod 8 is provided with opposite positive roller vane group 81 of rotation direction and anti-roller vane group 82, the length of positive roller vane group 81 and anti-roller vane group 82 is half of spreading roll 8 length, and positive roller vane group 81 and anti-roller vane group 82 are roller blade 83 compositions of rubber by a plurality of materials.
The walk cloth route of knit fabric in this liquid ammonia mercerizer is: knit fabric passes through from first group of fabric guide roll 4 of the input unit 1 of weaving cotton cloth earlier, and enter into liquid ammonia mercerization treating apparatus 2 through automatic centring device 6 and first group of expanding roller combination 51, enter into liquefied ammonia groove 21 through second group of expanding roller combination 52 and carry out liquid ammonia mercerization, then successively through the 3rd group of expanding roller combination 53 and squeeze device 22, enter into reaction member 23 through the 4th group of expanding roller combination 54 afterwards, walk around cylinder 231 backs by second group of fabric guide roll 7, and enter into steaming vessel 24 through the 5th group of expanding roller combination 55, after making up 56 through the 6th group of expanding roller, the exit of steaming vessel 24 leaves liquid ammonia mercerization treating apparatus 2, enter into liquefied ammonia retracting device 3 through the 7th group of expanding roller combination 57 then, enter pin after from liquefied ammonia retracting device 3, coming out and know in the back road treatment process of lining.
In the foregoing description, first group of fabric guide roll 4 and second group of fabric guide roll 7 are mechanical structure commonly used in the textile industry, and the quantity of fabric guide roll is decided according to the actual requirements, automatic centring device 6 adopts device commonly used in the mechanical field, the structure of seven groups of expanding roller combinations also can be inequality, the quantity of the spreading roll 8 that is comprised during every group of expanding roller makes up also can be inequality, and the material of roller blade 83 also can be stainless steel; In addition, this device also can be realized the mercerising of shuttle-woven fabric, avoids expanding roller combination in this device as long as it walks the cloth route, has realized two kinds of purposes of an equipment.