Search

CN-122013379-A - Mixed cotton impurity removing device and method for spun-laced non-woven fabric

CN122013379ACN 122013379 ACN122013379 ACN 122013379ACN-122013379-A

Abstract

The invention discloses a cotton mixing impurity removing device and method for a spun-laced non-woven fabric, which belong to the technical field of textile machinery and comprise a multi-bin cotton mixing machine main body, a cotton mixing assembly, a conveying assembly, an impurity removing assembly and an integrated temperature and humidity regulating system. The system has the innovation core that a vortex tube is adopted and is used as a common cold source and a common heat source of the system, the outlets of the cold end and the hot end of the vortex tube are respectively and thermally coupled with a water tank of a liquid constant temperature component and a dehumidifying unit of a humidity regulating component, a gas-liquid double-loop coupling energy supply system is constructed, the liquid constant temperature component regulates the temperature of fibers in a contact mode through a constant temperature cotton feeding roller and a constant temperature impurity removing roller, and the humidity regulating component realizes accurate humidity regulation through spray humidification and condensation dehumidification. The method realizes synchronous and distributed optimization regulation and control of the physical state of the fiber in the raw cotton mixing stage, solves the problems of high energy consumption and rough regulation and control in the traditional process, and remarkably improves the treatment uniformity and cleanliness of the spun-laced non-woven fabric raw material.

Inventors

  • YANG TAO
  • GU WEI

Assignees

  • 安徽银山阻燃新材料科技有限公司
  • 合肥银山棉麻股份有限公司

Dates

Publication Date
20260512
Application Date
20260210

Claims (10)

  1. 1. The cotton mixing and impurity removing device for the spunlaced non-woven fabric comprises a multi-bin cotton mixing machine main body (1), a cotton mixing assembly (2), a conveying assembly (3) and an impurity removing assembly (4), and is characterized in that, The multi-bin cotton mixer body (1) comprises: a plurality of parallel cotton mixing bins (101) for mixing and conveying raw cotton bin by bin The shell (102) is positioned at the bottoms of the cotton mixing bins (101), a cotton mixing area (103) is arranged in the shell (102), and the cotton mixing assembly (2), the conveying assembly (3) and the impurity removing assembly (4) are all arranged in the cotton mixing area (103); A feed pipe (104) and a discharge pipe (105) which are respectively used for inputting and discharging raw cotton; the device also comprises an integrated temperature and humidity regulation system, wherein the system comprises: the liquid constant temperature component (5) is used for introducing warm water in the water tank (52) into the circulating pipeline (51) through the water pump and outputting the warm water to the cotton mixing component (2) and the impurity removing component (4) for controlling the temperature; The humidity control assembly comprises a humidifying unit (6) for spraying and humidifying the cotton mixing area and a dehumidifying unit (7) for condensing and dehumidifying humid air in the device; the gas-liquid coupling energy supply assembly comprises a vortex tube (8), wherein the vortex tube (8) comprises a cold end connecting pipe (81), a hot end connecting pipe (82) and a main body (83), and the cold end connecting pipe (81) and the hot end connecting pipe (82) are simultaneously thermally coupled with the water tank (52) and the dehumidification unit (7); And the central controller is used for coordinating and controlling the operation of the liquid constant temperature assembly (5), the humidifying unit (6), the dehumidifying unit (7) and the vortex tube (8) according to the temperature and humidity sensor signals of all areas in the device.
  2. 2. The device according to claim 1, characterized in that the cotton mixing assembly (2) comprises a constant temperature cotton feeding roller (21) which comprises a main roller (22) and two auxiliary rollers (23) symmetrically arranged on the main roller (22), wherein the surfaces of the main roller (22) and the auxiliary rollers (23) are provided with angle nails (24), and the liquid flow pipelines are arranged inside the angle nails; The liquid constant temperature assembly (5) is respectively connected with the main roller (22) and the auxiliary roller (23) through a plurality of rotary adapters (54), and the three rotary adapters (54) of the same cotton feeding roller (21) are connected with the circulating water pipe (51) after converging through a triangular pipe (53).
  3. 3. The device according to claim 1, characterized in that the humidifying unit (6) comprises a plurality of atomizer heads (61), the water supply line of which is connected to the circulation line (51) for directly taking constant temperature liquid from the line as a humidifying water source, the atomizer heads (61) being respectively arranged between every two adjacent constant temperature cotton feed rollers (21).
  4. 4. The device according to claim 1 or 2, characterized in that the dehumidification unit (7) comprises an air flow pipeline (71) and a condensed water collecting pipe (72), wherein the air flow pipeline (71) is configured to guide the humid air in the cotton mixing area (103) and the gas output by a cold end connecting pipe (81) of the vortex tube (8) to a heat exchange part (73) together for heat exchange, and the condensed water collecting pipe (72) is used for collecting condensed water drops and discharging the condensed water drops.
  5. 5. The device according to claim 1, characterized in that the liquid thermostat assembly further comprises an auxiliary heater arranged in a water tank (52) and connected to the central controller for supplementary heating of the circulating water when the vortex tube (6) is insufficiently heated.
  6. 6. The device according to claim 1, characterized in that the impurity removal assembly (4) comprises a thermostatic impurity removal drum (41), the thermostatic impurity removal drum (41) comprises a plurality of adsorption slits (42) communicated with a negative pressure system, the adsorption slits are composed of a plurality of gap rollers (43) circumferentially arranged on the thermostatic impurity removal drum (41), and an elastic card clothing is arranged on the surface of each gap roller (43) for carding fibers.
  7. 7. The device according to claim 1, characterized in that a bracket (9) is mounted on the outer side of the multi-bin cotton mixer body (1), an overhaul platform (91) is arranged on the bracket (9), and the bottom of the overhaul platform (91) is supported by a plurality of supporting legs (92).
  8. 8. The device according to claim 1, characterized in that the conveyor assembly (3) is a grid-like conveyor belt (31) whose conveying direction is from the feed pipe (104) towards the discharge pipe (105) and whose end engages a horizontal curtain (32), the end of the horizontal curtain (32) being connected to the impurity removal assembly (4).
  9. 9. A cotton mixing and impurity removing method adopting the device of any one of claims 1 to 8, comprising the steps of: S1, raw cotton is input into a multi-bin cotton mixer main body (1) through a feed pipe (104) to sequentially pass through a plurality of cotton mixing bins (101), and the raw cotton is grabbed, opened and mixed by a cotton mixing assembly (2) below each cotton mixing bin (101); S2, starting a vortex tube (8) and simultaneously supplying cold and heat generated by the vortex tube to a liquid constant temperature assembly (5) and a dehumidifying unit (7) while the raw cotton is input and mixed bin by bin; s3, circularly conveying constant-temperature liquid to the cotton mixing assembly (2) and the impurity removing mechanism (4) through the liquid constant-temperature assembly (5), and performing contact temperature adjustment on the contacted raw cotton fibers; S4, monitoring the humidity of each cotton mixing bin through a central controller, and controlling a humidifying unit (6) or a dehumidifying unit (7) to work so as to maintain the humidity environment set in each bin; S5, the raw cotton fibers subjected to mixing and temperature and humidity regulation are sent to a impurity removing mechanism (4) for carding and impurity removal by a conveying component (3), and finally, the clean fibers are discharged through a discharging pipe (105).
  10. 10. The method of claim 9, wherein in the synchronous temperature and humidity regulation step, when the humidity in the cotton mixing bin (101) is too low, the central controller preferentially starts the corresponding humidifying unit (6) of the cotton mixing bin (101) to spray and humidify, and when the humidity is continuously low, the auxiliary heater of the liquid constant temperature assembly (5) is used for working so as to improve the temperature of circulating liquid, thereby improving the humidity holding capacity of air in the bin.

Description

Mixed cotton impurity removing device and method for spun-laced non-woven fabric Technical Field The invention belongs to the technical field of textile machines, and particularly relates to a cotton mixing impurity removing device and method for a spun-laced non-woven fabric. Background In the production of nonwoven fabrics, particularly spunlaced nonwoven fabrics, the cleanliness, openness and physical state uniformity of the raw cotton fibers directly determine the final web formation uniformity and product strength. In the traditional process flow, cotton mixing, impurity removal and temperature and humidity control are usually separated procedures. The cotton mixing is carried out in a multi-bin cotton mixer, the problem of uniform mixing of raw cotton in different batches is mainly solved, and the temperature and humidity control is dependent on the regulation and control of the whole workshop environment or the local adjustment in the subsequent carding and other working procedures. The separation treatment mode has the remarkable defects that firstly, the energy consumption of workshop large environment regulation is high, the precision is low, each batch of raw cotton even each bin is difficult to finely regulate, secondly, the physical properties (such as softness and moisture regain) of the fibers are not optimized in the mixing stage, the subsequent opening and impurity removal efficiency is affected, the fibers are easy to damage or remain impurities, and finally, the existing equipment lacks the capability of integrating the temperature and humidity regulation depth into the cotton mixing process, so that the synergistic process of optimizing the fiber state while mixing cannot be realized. Therefore, there is an urgent need in the industry for a device and a method for integrating mixing, opening, impurity removal and refined temperature and humidity control depth, which can improve the product quality of the spun-laced non-woven fabric from the source of raw material treatment. Disclosure of Invention The invention aims to solve the problems in the prior art, and provides a raw cotton mixing impurity removing device and method. The invention firstly discloses a cotton mixing and impurity removing device for a spun-laced non-woven fabric, which comprises a multi-bin cotton mixing machine main body, a cotton mixing component, a conveying component and an impurity removing component, The multi-bin cotton mixer body comprises: a plurality of parallel cotton mixing bins for mixing and conveying raw cotton bin by bin The shell is positioned at the bottoms of the plurality of cotton mixing bins, a cotton mixing area is arranged in the shell, and the cotton mixing assembly, the conveying assembly and the impurity removing assembly are all arranged in the cotton mixing area; the feeding pipe and the discharging pipe are respectively used for inputting and discharging raw cotton; the device also comprises an integrated temperature and humidity regulation system, wherein the system comprises: the liquid constant temperature component is used for introducing warm water in the water tank into the circulating pipeline through the water pump and outputting the warm water to the cotton mixing component and the impurity removing component for temperature control; the humidity control assembly comprises a humidifying unit for spraying and humidifying the cotton mixing area and a dehumidifying unit for condensing and dehumidifying humid air in the device; The gas-liquid coupling energy supply assembly comprises a vortex tube, wherein a cold end connecting pipe and a hot end connecting pipe of the vortex tube are simultaneously and thermally coupled with the water tank and the dehumidification unit; and the central controller is used for coordinating and controlling the operation of the liquid constant temperature component, the humidifying unit, the dehumidifying unit and the vortex tube according to the temperature and humidity sensor signals of all areas in the device. In the device, the cotton mixing assembly comprises a constant temperature cotton feeding roller, and comprises a main roller and two auxiliary rollers symmetrically arranged on the main roller and the auxiliary rollers, wherein angle nails are arranged on the surfaces of the main roller and the auxiliary rollers, liquid flow pipelines are connected inside the main roller and the auxiliary rollers, and the liquid flow pipelines are of a coil pipe structure with a spiral structure; the liquid constant temperature assembly is respectively connected with the main roller and the auxiliary roller through a plurality of rotary adapters, and the three rotary adapters of the same cotton feeding roller are connected with the circulating water pipe after being converged through a triangular pipe. In the above device, the humidifying unit comprises a plurality of atomizer heads, the water supply pipeline of which is connected with the circulating pipelin