WO2018099281A1

WO2018099281A1 - Sprayed loose fiber treatment process

Info

Publication number: WO2018099281A1
Application number: PCT/CN2017/111797
Authority: WO
Inventors: 金国周; 俞月根; 王如洪; 陶华冠
Original assignee: 绍兴国周控股集团有限公司
Priority date: 2016-11-30
Filing date: 2017-11-20
Publication date: 2018-06-07
Also published as: CN106637754A; CN106637754B

Abstract

The present invention relates to a sprayed loose fiber treatment process and relates to the technical field of loose fiber treatment. Loose fibers to be treated are placed on a treating mesh. Several sets of rollers are provided in the direction in which the treating mesh travels. The rollers comprise upper rollers and lower rollers. The upper rollers and the lower rollers respectively are arranged above and below the treating mesh. The central axis lines of the upper rollers and the central axis lines of the lower rollers are staggered correspondingly. The central axis lines of the upper rollers run through the corresponding lower rollers. The upper rollers and the lower rollers move in opposite directions, thus dragging the loose fibers to travel with the treating mesh. A treating liquid is sprayed downwards over the upper rollers; the loose fibers on the treating mesh is treated and then sent out. The application of the invention to loose fiber dyeing, dye setting, cleaning, and softening processes provides the advantages of low energy consumption, large treatment volume, and great treatment effects.

Description

Spray type loose fiber treatment process

Technical field

The invention relates to a spray type bulk fiber processing technology, and belongs to the technical field of bulk fiber processing.

Background technique

The loose fiber is usually dyed by dyeing tank, the fiber to be dyed is put into the dyeing cage, suspended in the dyeing tank, and the temperature and time are controlled for dyeing treatment. After the dyeing is finished, multiple washings are carried out in the bathtub, and soaping or caustic washing is performed. The cleaning process requires a large amount of water, cleaning agent, etc., and the cleaning cost is high; while the conventional water washing machine is mainly composed of a bathing pool and a plurality of upper and lower rollers arranged on the upper and lower sides, and the lower roller is located in the bathing pool. In the washing liquid, based on the structure of the washing machine, only the fabric or the cloth can be washed with water, and the loose fibers are in a discontinuous state, so that the existing washing machine cannot be used for washing, and the dyed fibers can only be woven into fabric or After the net is formed, the whole water washing needs to be washed by multiple passes, the washing effect is not good, the water consumption is huge, and depending on the dye, hot water washing, alkali washing, soaping or even pickling are required, and the washing cost is high.

In view of the above defects, there are also horizontal washing and leaching type dyeing, that is, the loose fibers are placed between the upper and lower layers of the net, and the two fibers are pressed to realize the dyeing or washing treatment of the loose fibers. Although the above methods overcome the above defects, in the process of processing, the roller speeds of the driving rollers of the upper and lower nets are inconsistent, and the web is easily broken; between the upper and lower nets, the fibers are subjected to a large pressing force, resulting in dense structure of the web, cleaning Or the dyeing can not be completely completed; at the same time, because the dyeing or cleaning of the fiber is completed under the pressing between the upper and lower nets, the thickness of the web is limited, and the amount of fiber that can be processed is also limited.

Based on this, the present application has been made.

Summary of the invention

In order to overcome the above defects existing in the prior art bulk fiber dyeing or water washing treatment, the present application provides a spray type bulk fiber processing process.

In order to achieve the above object, the technical solution adopted by the present invention is as follows:

A spray-type loose fiber treatment process, wherein the loose fibers to be treated are placed on a processing net, and a plurality of sets of rolls are arranged along the traveling direction of the processing net, the rolls comprising an upper roll and a lower roll, and the upper roll and the lower roll are separated above the treatment net and Below, the central axis of the upper roll is offset from the central axis of the lower roll, and the central axis of the upper roll passes through the lower roll, and the upper roll and the lower roll rotate in opposite directions to drag the loose fiber along with the processing net; the treatment liquid is from the upper roll The top is sprayed down, and the scattered fibers on the processing net are dyed, fixed, cleaned, softened, etc., and then sent out.

Further, as a preference:

The spray direction is inclined relative to the central axis of the roll. The spray direction is inclined to the vertical center axis of the roll, one side In the process of rotating the upper roll and the lower roll, the upper roll and the lower roll may flow into the loose fibers between the two, and on the other hand, it is also advantageous to peel off the loose fibers wound on the roll to avoid wrapping. Roll phenomenon.

The processing net is provided with a box body, the roller and the processing liquid are all located in the box body, and the fiber inlet and the fiber outlet are respectively disposed at two ends of the box body to facilitate the feeding and sending of the fibers, and the fibers are taken away when being sent out. Fall below the processing network.

A processing liquid tank is disposed under the processing net for accommodating and supplying the processing liquid to the processing tank.

A heating pipe is disposed in the treatment liquid tank for stabilizing the temperature of the treatment liquid.

A water tank is disposed under the treatment net for supplying clean water and adjusting the concentration of the treatment liquid.

A heat exchanger is disposed in the water tank for stabilizing the temperature of the fresh water and the treatment liquid.

A baffle is disposed at the outlet of the box, and the baffle is located on the processing net to prevent the fibers from flowing out from the outlet. More preferably, the inner wall of the box is provided with a fixing seat, and the baffle is fixed on the processing net through the fixing seat; the baffles are arranged in pairs on the inner walls on both sides of the box body.

The working principle and beneficial effects of the application are as follows:

(1) It is beneficial to keep the fiber shape unchanged and ensure the treatment effect. The single-network mode is adopted in the application. During the whole process, the loose fibers to be treated can be directly laid on the treatment network, and under the spraying of the treatment liquid, the whole process does not need to be formed into a net, the shape of the scattered fibers is unchanged, and the process of blasting is carried out. The carpet is gradually formed in the middle, and the loose fibers are dyed, fixed, cleaned and softened in a fluffy state, and the dyeing and washing are more sufficient.

(2) The amount of bulk fiber treatment is greatly increased, which is conducive to improving the processing efficiency. In the process of the present application, only a pair of rolls and a processing net passing through the pair of rolls are in direct contact with the loose fibers, the fiber thickness is not limited, the feed amount can be greatly improved, and the treatment efficiency is improved.

(3) The treatment liquid has high absorption efficiency. In the present application, the loose fibers are fluffy placed on the processing web in a spreading manner, and are extruded only at the rolls, while the (vertical) central axis of the upper rolls is offset from the (vertical) central axis of the lower rolls to make the upper rolls Later to the lower roll (ie, relative to the direction of travel of the fiber, the upper roll is behind, the lower roll is in front), during this misalignment clamping process, it facilitates the extrusion of the loose fibers and allows the treatment liquid to flow between the two In the loose fibers, the absorption of the treatment liquid is increased.

(4) Avoid the phenomenon of winding around, and the processing is smooth. In the present application, the discharge direction of the treatment liquid is inclined, which is at an angle with the traveling direction of the roll, which not only increases the contact area between the treatment liquid and the loose fiber, but also the opposite direction of the processing flow of the treatment liquid and the loose fiber, which is advantageous for the fiber peeling roll and avoids Rolling phenomenon.

(5) The whole process is closed, which is conducive to improving energy utilization and reducing environmental pollution. In the present application, the processing areas of the treatment liquid, the rolls and the treatment net are all located in the box, and the box is only placed at the front and rear ends. The mouth and the outlet, the treatment net penetrates from the inlet, passes through the outlet, the loose fiber enters and enters, and is sent out by the outlet. The processing involved is almost completely completed in the closed space formed by the box, avoiding the process. When the temperature is divergent, the corresponding treatment liquid will also be dispersed in the air in a gaseous or vapor state. The closed structure of the tank avoids the process affecting the surrounding operating environment, and collects these divergent treatment liquids and heat, and heats and seals them. In the environment, a baffle is arranged at the wall of the inlet and outlet to prevent loose fibers from falling, increase the amount of water spray, improve the spraying effect, and the treatment temperature can be appropriately raised to a higher range, so that the treatment effect is improved. It is also conducive to the improvement of energy utilization rate, the reduction of environmental factors, and the controllability of the entire process.

DRAWINGS

Figure 1 is a schematic structural view of a device used in the present application;

Figure 2 is a partial enlarged view of the portion A of Figure 1;

Figure 3 is a partial enlarged view of the portion B of Figure 1;

Figure 4 is an enlarged cross-sectional view of the M-M direction of Figure 3.

Wherein: 1. processing net; 2. roll; 21. upper roll; 22. lower roll; 3. treatment tank; 4. active roll; 5. treatment liquid tank; 6. heating tube; 7. sink; Heater; 9. box; 91. wall; 92. fixed seat; 93. upper plate; 94. lower plate; 95.

detailed description

Example 1

In this embodiment, a spray-type bulk fiber processing process, in combination with FIG. 1, FIG. 2 and FIG. 3, the bulk fiber to be treated is placed on the processing net 1, and the processing net 1 is driven by the driving roller 4, along the processing net 1 The traveling direction is provided with a plurality of sets of rolls 2, the rolls 2 including an upper roll 21 and a lower roll 22, the upper roll 21 and the lower roll 22 are separated above and below the processing web 1, the central axis of the upper roll 21 and the central axis of the lower roll 22 Displaced, and the central axis of the upper roll 21 passes through the lower roll 22, and the upper roll 21 and the lower roll 22 rotate in opposite directions to drag the loose fibers to travel with the processing web 1; the processing liquid is sprayed from the processing tank 3 above the upper roll 21 After dripping down, the loose fibers on the treated web 1 are dyed, fixed, washed, softened, etc., and then sent out.

The spray direction of the treatment liquid is inclined with respect to the central axis of the roll 2 . The spray direction is inclined with the vertical central axis of the roll 2, on the one hand, during the rotation of the upper roll 21 and the lower roll 22, the upper roll 21 and the lower roll 22 can flow into the loose fibers between the two, on the other hand It is also advantageous to peel off the loose fibers wound on the roll 2 to avoid the phenomenon of winding. The processing net 1 is provided with a box 9, the roll 2 and the treatment liquid are all located in the box 9, and both ends of the box 9 The fiber inlet and the fiber outlet are separately set, and the opened fiber material is uniformly laid on the treatment net, and as the treatment net enters the tank, the treatment liquid is sprayed from the treatment tank 3, and the passed loose fiber material is passed. Dyeing, solid After being treated by color, washing, soaping, softening, etc., it is sent out from the outlet, and when it is sent out, the fiber is brought under the processing net 1.

The single-network mode is adopted in the present application. During the whole process, the loose fibers to be treated can be directly laid on the treatment net 1. Under the spraying of the treatment liquid, no net formation is required in the whole process, the shape of the loose fibers is unchanged, and the blasting is carried out. The process gradually becomes a blanket, and the loose fibers are dyed, fixed, cleaned and softened in a fluffy state, and the dyeing and washing are more sufficient.

During the treatment, only a pair of rolls 2 and the treated web 1 passing through the pair of rolls 2 are in direct contact with the loose fibers, the fiber thickness is not limited, the feed amount can be greatly improved, and the treatment efficiency is improved.

In the present application, the loose fibers are loosely placed on the treatment web 1 in a spread manner, and are extruded only at the rolls 2, while the (vertical) central axis of the upper rolls 21 and the (vertical) central axis of the lower rolls 22 Misalignment, the upper roll 21 is offset behind the lower roll 22 (ie, with respect to the direction of travel of the fiber, the upper roll is rearward, and the lower roll is at the front). In this misalignment clamping process, the extrusion of the loose fibers is facilitated and The treatment liquid flows into the loose fibers between the two, which improves the absorption of the treatment liquid.

The discharge direction of the treatment liquid is inclined, which is at an angle with the traveling direction of the roll 2, which increases the contact area between the treatment liquid and the loose fiber, and the processing liquid and the loose fiber run in opposite directions, which is favorable for the fiber peeling roll and avoids the winding roller. phenomenon.

The treatment liquid, the roll 2 and the treatment area of the treatment net 1 are all located in the casing 9, and the casing 9 is provided with an inlet and an outlet only at the front and rear ends, and the treatment net 1 is penetrated by the inlet, passes through the outlet, and the loose fiber enters through , is sent out by the exit, the processing involved is almost completely completed in the closed space formed by the box 9, avoiding the temperature divergence during the process, and the corresponding treatment liquid is also dispersed in the air in a gaseous or vapor state. The closed structure of the casing 9 prevents the process from affecting the surrounding operating environment, and collects the divergent treatment liquid and heat. In the environment of heat preservation and sealing, the tank wall at the inlet and outlet can also serve as a baffle to prevent scattering. The fiber is dropped, the water spray amount is increased, the spray effect is improved, and the treatment temperature can be appropriately raised to a higher range, and the large amount of steam caused by the excessive temperature of the treatment liquid is prevented from being discharged into the operating environment, and the heat preservation is facilitated. The treatment effect is improved, and the energy utilization rate is improved, the environmental factor interference is reduced, and the controllability of the whole process is improved.

Example 2

This embodiment is the same as the setting and working principle of the embodiment 1. The difference is that the processing liquid tank 5 is disposed below the processing net 1 for accommodating and supplying the processing liquid to the processing tank 3; the heating tube 6 is disposed in the processing liquid tank 5, and the processing is performed. A water tank 7 is provided below the net 1 for supplying clean water and adjusting the concentration of the treatment liquid; and a heat exchanger 8 is provided in the water tank 7 for stabilizing the temperature of the fresh water and the treatment liquid for stabilizing the temperature of the treatment liquid.

The treatment liquid enters from the treatment liquid tank of the last zone 51 (ie, along the traveling direction of the treatment net, close to the outlet of the tank), is pumped into the treatment tank 3, and the fiber material is treated after the overflow, and the treatment liquid returns to the treatment liquid. Processing tank next processing tank 52, and so on, after the first treatment liquid tank at the material inlet, overflowing and returning excess heat to the hydration water in the water tank 7 through the heat exchanger 8 in the water tank 7 to save energy.

Example 3

This embodiment is the same as the setting and working principle of the first embodiment. The difference is that the fixing seat 92 is fixed on the opposite side wall plates 91 of the casing 9 at a position close to the outlet of the casing 9. The fixing seat 92 is mounted on the fixing seat 92. There is an upper pressing plate 93 and a lower supporting plate 94. The processing net 1 is fixed between the opposite two fixing seats 92. The upper pressing plate 93 is inclined downward, and a baffle 95 is disposed toward one end of the processing net 1, and the baffle 95 can be set to have The elastic rubber sheet, the lower tray 94 is located below the processing net 1, and can fix the fixing seat together with the upper pressing plate 93, and can also fix the processing net 1 together with the upper pressing plate 93. The treated fibers are scraped off by a baffle 95 to prevent them from being carried out by the outlet of the casing 9 along with the treatment web.

Comparative example 1

Taking the patent 20141000095711 as a comparative example, the cleaning effect is compared, as shown in Table 1. Comparative example 2

The dyeing effect is compared with the patent 20141000095656 as a comparative example, as shown in Table 2.

Table 1 Comparison of washing treatment effects under different implementation conditions

	对比例1Comparative example 1	本发明水洗Washing with the invention
处理量(kg/24h)Processing capacity (kg/24h)	1000010000	2000020000
耗水量(T/吨散纤维)Water consumption (T/ton loose fiber)	4040	1515
能耗(元/吨)Energy consumption (yuan/ton)	145-150145-150	70-8070-80

Table 2 Comparison of dyeing treatment effects under different implementation conditions

	对比例1Comparative example 1	本发明染色Dyeing of the invention
处理量(kg/24h)Processing capacity (kg/24h)	1000010000	2000020000
耗染料量(T/吨散纤维)Amount of dye consumed (T/ton loose fiber)	45-5045-50	18-2318-23
能耗(元/吨)Energy consumption (yuan/ton)	165-180165-180	80-11080-110

The single-network mode is adopted in the application. During the whole process, the loose fibers to be treated can be directly laid on the treatment network, and under the spraying of the treatment liquid, the whole process does not need to be formed into a net, the shape of the scattered fibers is unchanged, and the process of blasting is carried out. Gradually in the form of a blanket, the loose fibers are dyed, fixed, cleaned and softened in a fluffy state, and the dyeing and cleaning are more sufficient; during the treatment, only a pair of rolls and the pair are directly contacted with the loose fibers. The processing net of the roll, the thickness of the fiber is not limited, the feeding amount is multiplied, and the speed of the processing net 1 can be slowed down, and the processing efficiency is improved; at the same time, the amount of water spray can be multiplied at the same time, the exchange amount is increased, and the fluffy The loose fiber is more conducive to the penetration of the spray water, which can improve the cleaning effect; the loose fiber is loosely placed on the treatment net in a spreading manner, and is only extruded at the roll, and the upper roll is The (vertical) central axis is offset from the (vertical) central axis of the lower roll, so that the upper roll is offset behind the lower roll (ie, relative to the fiber travel direction, the upper roll is behind, the lower roll is in front), in this misalignment clip During the holding process, the extrusion of the loose fibers is facilitated, and the treatment liquid flows into the loose fibers between the two, thereby improving the absorption of the treatment liquid; the sealed structure of the tank 9 also reduces the heat loss; the spray points In two forms, at the upper and lower rolls, the spray is carried out in an inclined manner to avoid entanglement of the fibers, while in other positions a normal spray is used.

The above is a further detailed description of the technical solutions provided in connection with the preferred embodiments of the present invention. It should not be understood that the specific implementation of the present invention is limited to the above descriptions, and one of ordinary skill in the art to which the present invention pertains, A number of simple deductions or substitutions may be made without departing from the inventive concept, and should be considered as a scope of protection of the invention.

Claims

A spray-type loose fiber treatment process, characterized in that: the loose fibers to be treated are placed on a treatment net, and a plurality of sets of rolls are arranged along the traveling direction of the processing net, the rolls include an upper roll and a lower roll, and the upper roll and the lower roll are separated. Above and below the treatment net, the central axis of the upper roll is offset from the central axis of the lower roll, and the central axis of the upper roll passes through the lower roll, and the upper roll and the lower roll rotate in opposite directions to drag the loose fiber to travel along the processing net; The treatment liquid is sprayed from the treatment network, and the scattered fibers on the treatment network are processed and then sent out.
A spray-type bulk fiber treatment process according to claim 1, wherein the spray direction of the spray liquid above the rolls is inclined with respect to the central axis of the rolls.
The spray-type bulk fiber processing process according to claim 1, wherein the processing net is provided with a box body, the roller and the processing liquid are all located in the box body, and the processing net is provided by the box body. The ends are respectively inserted and worn out.
A spray-type bulk fiber treatment process according to claim 1, wherein a treatment liquid tank is disposed under the treatment net.
A spray-type bulk fiber treatment process according to claim 4, wherein a heating pipe is disposed in said treatment liquid tank.
A spray-type bulk fiber treatment process according to claim 1, wherein a water tank is disposed under the treatment net.
A spray-type bulk fiber processing process according to claim 6, wherein a heat exchanger is disposed in the water tank.
The spray-type bulk fiber processing process according to any one of claims 1 to 7, wherein a baffle is arranged at the outlet of the box, and the baffle is located on the processing net to avoid fibers from the outlet. Outflow.
A spray-type bulk fiber processing process according to claim 8, wherein the inner wall of the casing is provided with a fixing seat, and the baffle is fixed on the processing wire through the fixing seat.
A spray-type bulk fiber processing process according to claim 8, wherein said baffles are disposed in pairs on inner walls on both sides of the casing.