CN211596032U

CN211596032U - Washing device for Lyocell fiber production

Info

Publication number: CN211596032U
Application number: CN201922488568.3U
Authority: CN
Inventors: 李岷池; 郑世睿; 韩荣桓; 潘召军; 李晓东
Original assignee: Shandong Green Fiber Engineering Design Co Ltd
Current assignee: Shandong Green Fiber Engineering Design Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-29
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to the technical field of Lyocell fiber production, in particular to a washing device for Lyocell fiber production, which comprises a plurality of washing areas which are connected in series, wherein each washing area is respectively provided with a traction unit, the traction unit comprises an upper roller, a lower roller and a compression roller, and a washing device is arranged above the upper roller; the upper roll is of a hollow structure, a plurality of through holes are formed in the surface of the roll body of the upper roll, rotating shafts are arranged at two ends of the upper roll respectively, the rotating shaft at one end is a hollow rotating shaft and communicated with the upper roll, an entity rotating shaft is arranged at the other end of the upper roll and fixed in the frame through a bearing, the other end of the hollow rotating shaft is communicated with a water collecting tank below the next traction unit through a water guide pipe and a circulating pump, and the upper roll of the tail-end traction unit is connected with a water supply pipe through the. Utilize this washing device to improve washing efficiency and cleaning performance to the fibre, improved the fibrous quality of Lyocell.

Description

Washing device for Lyocell fiber production

Technical Field

The utility model relates to a Lyocell fibre production technical field especially relates to a Lyocell fibre process water washing unit.

Background

At present, Lyocell short fiber is a novel regenerated cellulose fiber, and is prepared by directly dissolving cellulose pulp in a nontoxic and pollution-free NMMO aqueous solution to form a cellulose solution and then performing dry-wet spinning. The NMMO solvent has higher price, the recycling is particularly critical during production, and the water washing of the tows is an important link for improving the recovery rate. The existing washing device is provided with a cleaning pipe between an upper roller and a lower roller of a traction unit, has low washing efficiency, has a poor washing effect on fibers, consumes more cleaning water and causes water source waste, and therefore, the washing device for fiber production is necessary to be developed aiming at the problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: to prior art's not enough, provide a Lyocell fibre process water washing device, utilize this washing device to improve the washing efficiency and the cleaning performance to the fibre, improved the fibrous quality of Lyocell.

In order to solve the technical problem, the technical scheme of the utility model is that:

a washing device for Lyocell fiber production comprises a plurality of washing areas which are connected in series, wherein a traction unit is arranged in each washing area respectively, each traction unit comprises an upper roller, a lower roller and a compression roller, a washing device is arranged above the upper roller, and the washing device is connected with a water supply pipe in parallel; a water collecting tank is arranged below each traction unit; the utility model discloses a solid bath traction device, including last roller, the roller body surface of going up the roller is equipped with a plurality of through-holes, the both ends of going up the roller are equipped with the pivot respectively, wherein the pivot of one end be the cavity pivot and with go up the roller and be linked together, the other end of going up the roller is equipped with the entity pivot, the entity pivot is passed through the bearing and is fixed in the frame, the other end of cavity pivot is linked together through aqueduct and circulating pump and the water catch bowl of next traction unit below, and wherein the end traction unit go up the roller and connect the delivery pipe through the cavity pivot.

As an improved technical scheme, the cleaning device comprises a cleaning pipe, wherein one end of the cleaning pipe is communicated with a water supply pipe, the other end of the cleaning pipe is sealed, and a plurality of spray heads communicated with the cleaning pipe are arranged on the cleaning pipe.

As an improved technical scheme, one end of the water guide pipe is communicated with the water collecting tank, and the other end of the water guide pipe is connected with the hollow rotating shaft at one end of the upper roller through a rotary joint.

As an improved technical scheme, the through holes are arranged on the surface of the roller body of the upper roller at equal intervals.

As an improved technical scheme, the number of the upper rollers in each traction unit is two, the number of the lower rollers is three, and the number of the compression rollers is one, wherein the upper rollers and the lower rollers are arranged in a broken line manner, and the compression rollers are arranged on one side of the lower roller positioned at the tail end.

After the technical scheme is adopted, the beneficial effects of the utility model are that:

the Lyocell fiber production water washing device comprises a plurality of water washing areas which are connected in series, a traction unit is arranged in each water washing area and comprises an upper roller, a lower roller and a compression roller, a washing device is arranged above the upper roller, and the washing device is connected with a water supply pipe in parallel; a water collecting tank is arranged below each traction unit; the upper roll is of a hollow structure, a plurality of through holes are formed in the surface of the roll body of the upper roll, rotating shafts are arranged at two ends of the upper roll respectively, the rotating shaft at one end is a hollow rotating shaft and communicated with the upper roll, an entity rotating shaft is arranged at the other end of the upper roll and fixed in the frame through a bearing, the other end of the hollow rotating shaft is communicated with a water collecting tank below the next traction unit through a water guide pipe and a circulating pump, the upper roll of the tail-end traction unit is connected with a water supply pipe through the hollow rotating shaft, and the water collecting tank below. In actual production, cleaning water enters the upper rollers of the cleaning device and the tail end traction unit respectively along the water supply pipe, a valve on a connecting pipeline between the water supply pipe and the tail end traction unit is closed, water in a water collecting tank below the tail end traction unit enters the upper rollers of the adjacent traction units along the water guide pipe through a circulating pump, water in water collecting tanks of the rest traction units flows according to the mode, a motor drives the upper rollers, the lower rollers and the press rollers of the plurality of traction units to rotate, fiber bundles pass through the upper roller and the lower roller of each traction unit, when the fiber bundles pass through the upper rollers, the cleaning device positioned above the upper rollers sprays cleaning water to flush the fiber bundles, the fiber bundles are in direct contact with the upper rollers, the cleaning water in the upper rollers passes through holes in the surfaces of the roller bodies of the upper rollers to clean the fiber bundles, and when the fiber bundles pass through the tail end lower rollers of, the press roller and the lower roller act to press out the water in the fiber bundle. The two agents can simultaneously wash the upper surface and the lower surface of the fiber bundle under the synergistic action, so that the cleaning efficiency is improved, and the cleaning effect is better; because the water in the water collecting tank below each traction unit is communicated with the water collecting tank below the next traction unit along the water guide pipe through the circulating pump, the cyclic utilization of the cleaning water is realized through the design, and the using amount of the cleaning water is reduced.

Because belt cleaning device includes the one end and the delivery pipe intercommunication of scavenge pipe, the other end of scavenge pipe is sealed, is equipped with a plurality of shower nozzles that are linked together with the scavenge pipe on the scavenge pipe. The cleaning water enters the cleaning pipe along the water supply pipe, and the cleaning water is sprayed out by the spray head to clean the fiber bundle. The cleaning device adopts the design, has simple structure and also realizes the cleaning of the fiber bundle.

Because the one end intercommunication water catch bowl of aqueduct, the other end of aqueduct is connected with the cavity pivot of last roller one end through rotary joint. Water in the water collecting tank enters the hollow rotating shaft along the water guide pipe under the action of the circulating pump and then flows into the upper roller. Above-mentioned reasonable in design can also carry the washing water in the water catch bowl to the interior of last roller, realizes the washing to the tow.

The through holes are arranged on the surface of the roller body of the upper roller at equal intervals. The cleaning water passes through the through holes and washes the fiber bundles, and the design improves the cleaning efficiency of the fiber bundles.

Drawings

FIG. 1 is a schematic structural view of a Lyocell fiber production water washing device of the present invention;

FIG. 2 is a schematic view of the upper roll of FIG. 1;

wherein, the device comprises 1-upper roller, 10-through hole, 11-hollow rotating shaft, 12-solid rotating shaft, 2-lower roller, 3-press roller, 4-cleaning pipe, 5-spray head, 6-water collecting tank, 7-water guiding pipe, 8-circulating pump and 9-water supply pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

A washing device for Lyocell fiber production is disclosed, as shown in figures 1 and 2, and comprises a plurality of washing areas which are connected in series, wherein a traction unit is arranged in each washing area respectively, the traction unit comprises an upper roller 1, a lower roller 2 and a compression roller 3, a washing device is arranged above the upper roller 1, and is connected with a water supply pipe in parallel (the washing device comprises a washing pipe 4, one end of the washing pipe 4 is closed, the other end of the washing pipe 4 is communicated with the water supply pipe through a connecting pipe, and a plurality of nozzles 5 communicated with the washing pipe are arranged on the washing pipe 4); a water collecting tank 6 is arranged below each traction unit; go up roller 1 and be hollow structure, the roll body surface equidistant of going up roller 1 is equipped with a plurality of through-holes 10, the both ends of going up the roller are equipped with the pivot respectively, wherein the pivot of one end is for cavity pivot 11 and with go up roller 1 and be linked together, the other end of going up roller 1 is equipped with entity pivot 12, entity pivot 12 passes through the bearing and fixes in the frame, the other end of cavity pivot 11 is linked together through water pipe 7 and circulating pump 8 and the water catch bowl 6 of next traction unit below, wherein last roller 1 of the unit of pulling the end is connected delivery pipe 9 through cavity pivot 11 (cavity pivot 11 is through connecting pipe connection delivery pipe 9), the 6 intercommunication coagulation baths of water catch bowl below the.

In actual production, cleaning water enters a water supply pipe of a cleaning device and an upper roller of a tail end traction unit respectively along the water supply pipe, valves on connecting pipelines of the water supply pipe and the tail end traction unit are closed, water in a water collecting tank below the tail end traction unit enters upper rollers of adjacent traction units along the water guide pipe through a circulating pump, water in water collecting tanks of other traction units flows according to the mode, the flow direction of the cleaning water in the water collecting tanks is opposite to the advancing direction of fiber bundles, a motor drives upper rollers, lower rollers and press rollers of a plurality of traction units to rotate, the fiber bundles pass through the upper roller and the lower roller of each traction unit, when the fiber bundles pass through the upper roller, the cleaning water in the cleaning pipe above the upper roller is sprayed out from a spray head to clean the fiber bundles, the fiber bundles are in direct contact with the upper roller, and the cleaning water in the upper roller passes through holes on the surface of a roller, when the fiber bundle passes through the bottom roller at the tail end of each traction unit, the pressing roller and the bottom roller act to press out moisture in the fiber bundle, and cleaning water in a water collecting tank below the first traction unit enters a coagulating bath through a water guide pipe. By adopting the washing device, the fiber bundle is washed by the washing device above the upper roller and the upper roller with the washing function, and the upper surface and the lower surface of the fiber bundle are washed simultaneously under the synergistic effect of the washing device and the upper roller, so that the washing efficiency is improved, and the washing effect is better; wherein the water in the water catch bowl of every traction unit below passes through the circulating pump and communicates with the water catch bowl of next traction unit below along the aqueduct, has realized the cyclic utilization to wasing water through this design, has reduced the quantity of wasing water.

Wherein, one end of the water conduit 8 is communicated with the water collecting tank 6, and the other end of the water conduit 8 is connected with the hollow rotating shaft 11 at one end of the upper roller 1 through a rotary joint. Water in the water collecting tank enters the hollow rotating shaft along the water guide pipe under the action of the circulating pump and then flows into the upper roller.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a Lyocell fibre process water washing unit, includes a plurality of washing districts of establishing ties each other, every be equipped with traction unit in the washing district respectively, traction unit includes roller, lower roll and compression roller, its characterized in that: a cleaning device is arranged above the upper roller and is connected with a water supply pipe in parallel; a water collecting tank is arranged below each traction unit; the utility model discloses a solid bath traction device, including last roller, the roller body surface of going up the roller is equipped with a plurality of through-holes, the both ends of going up the roller are equipped with the pivot respectively, wherein the pivot of one end be the cavity pivot and with go up the roller and be linked together, the other end of going up the roller is equipped with the entity pivot, the entity pivot is passed through the bearing and is fixed in the frame, the other end of cavity pivot is linked together through aqueduct and circulating pump and the water catch bowl of next traction unit below, and wherein the end traction unit go up the roller and connect the delivery pipe through the cavity pivot.

2. The Lyocell fiber production water washing device of claim 1, wherein: the cleaning device comprises a cleaning pipe, one end of the cleaning pipe is communicated with a water supply pipe, the other end of the cleaning pipe is sealed, and a plurality of spray heads communicated with the cleaning pipe are arranged on the cleaning pipe.

3. The Lyocell fiber production water washing device of claim 1, wherein: one end of the water guide pipe is communicated with the water collecting tank, and the other end of the water guide pipe is connected with the hollow rotating shaft at one end of the upper roller through the rotary joint.

4. The Lyocell fiber production water washing device of claim 1, wherein: the through holes are arranged on the surface of the roller body of the upper roller at equal intervals.

5. The Lyocell fiber production water washing device of claim 1, wherein: every last roller figure in the traction unit is two, lower roll figure is three, the compression roller figure is one, wherein go up the roller with the lower roll is the broken line formula and arranges, the compression roller sets up in the lower roll one side that is located the most terminal.