CN-121989336-A - Production and preparation process of kapok window

CN121989336ACN 121989336 ACN121989336 ACN 121989336ACN-121989336-A

Abstract

The invention relates to the technical field of kapok material preparation, in particular to a production and preparation process of a kapok window, which comprises the steps of feeding a solid-liquid mixture obtained by mixing flame-retardant kapok fibers and the rest materials into a reaction kettle for stirring; determining whether the solidification process of the solid-liquid mixture is qualified based on the radial density gradient index of the precipitated bubbles in the solid-liquid mixture, regulating the stirring speed of a reaction kettle to obtain a kapok blank, determining whether the solidification process of the kapok blank is qualified based on the defect distribution index of surface cracks in the coagulation process of the kapok blank to regulate the environmental humidity, removing a mold to obtain a kapok plate blank, solidifying to obtain a finished product kapok plate, determining whether the quality of the kapok plate is qualified based on the comprehensive distribution index of the closed pores inside the finished product kapok plate after sampling, optimizing the preset gradient index, and cutting and assembling the kapok plate under the condition that the quality of the kapok plate is qualified to obtain a kapok window. The invention improves the quality stability of the kapok plate and the kapok window.

Inventors

ZHANG QUANKANG
ZHANG JIN
MEI YIFEI
LI JIAN

Assignees

北京红集兢业科技有限公司

Dates

Publication Date: 20260508
Application Date: 20260305

Claims (10)

1. The production and preparation process of the kapok window is characterized by comprising the following steps of: mixing flame-retardant kapok fibers with other materials according to a preset proportion to obtain a solid-liquid mixture, and sending the solid-liquid mixture into a reaction kettle for stirring; Acquiring image information in the stirring process of the solid-liquid mixture, extracting radial density gradient indexes of precipitated bubbles in the solid-liquid mixture, and determining whether the solidification process of the solid-liquid mixture is qualified or not based on a comparison result of the radial density gradient indexes and a preset gradient index; Under the condition that the solidification process of the solid-liquid mixture is unqualified, adjusting the stirring speed of the reaction kettle based on the cluster distribution index of bubbles so as to obtain kapok blanks; Filling the kapok blank into a mould, standing for coagulation, acquiring surface image information of the kapok blank in the coagulation process to identify surface cracks, and determining whether the coagulation process of the kapok blank is qualified or not based on the defect distribution index of the surface cracks so as to adjust the environmental humidity based on unqualified conditions; Removing the mould after the coagulation process is finished to obtain a kapok board blank, and solidifying the kapok board blank for a preset period of time to obtain a finished kapok board; Sampling the finished kapok plate, determining the comprehensive distribution index of the internal closed pores to determine whether the quality of the kapok plate is qualified or not, and optimizing the preset gradient index based on the unqualified condition; cutting and assembling the kapok plate under the condition that the quality of the kapok plate is qualified, so as to obtain the kapok window.
2. The manufacturing process of kapok window according to claim 1, wherein the determination of the radial density gradient index of the bubbles comprises: after preprocessing the image information, dividing the cross section of the reaction kettle into a plurality of equidistant circular rings by taking the geometric center of the reaction kettle as a datum point and taking a preset distance as a distance; Determining the bubble density of any ring, and sequentially determining the bubble density gradient of adjacent rings along the direction from the datum point to the edge of the reaction kettle; the ratio of the mean value to the standard deviation of the bubble density gradient is determined as a radial density gradient index.
3. The manufacturing process of kapok window according to claim 2, wherein the process of determining whether the solidification process of the solid-liquid mixture is qualified based on the radial density gradient index comprises: comparing the radial density gradient index with a preset gradient index; and determining that the solidification process of the solid-liquid mixture is unqualified based on the comparison result that the radial density gradient index is larger than the preset gradient index.
4. The process for producing and preparing kapok windows according to claim 3, wherein the process of adjusting the stirring speed of the reaction kettle based on the cluster distribution index of bubbles under the condition that the solidification process of the solid-liquid mixture is not qualified comprises the following steps: comparing the cluster distribution indexes with preset cluster indexes respectively; determining to increase the stirring speed of the reaction kettle by a first speed adjusting coefficient based on a comparison result that the cluster distribution index is larger than a first preset cluster index; Determining to reduce the stirring speed of the reaction kettle by a second speed adjusting coefficient based on the comparison result that the cluster distribution index is smaller than a second preset cluster index; wherein the first preset cluster index is greater than the second preset cluster index.
5. The manufacturing process of kapok windows according to claim 4, wherein the determining process of the cluster distribution index comprises: after preprocessing the image information, dividing the cross section of the reaction kettle into a plurality of equidistant circular rings by taking the geometric center of the reaction kettle as a datum point and taking a preset distance as a distance; Determining the bubble density of any ring and the average bubble density of all rings; determining the ratio of the bubble density of the single ring to the average bubble density as a local clustering coefficient; and determining the arithmetic average value of the local cluster coefficients as a cluster distribution index.
6. The process for manufacturing a kapok window according to claim 5, wherein the determining whether the condensing process of the kapok blank is acceptable based on the defect distribution index of the surface crack comprises: comparing the defect distribution index with a preset defect distribution index; and determining that the condensing process of the kapok blank is unqualified based on the comparison result that the defect distribution index is larger than the preset defect distribution index.
7. The process for manufacturing a kapok window according to claim 6, wherein the process of adjusting the ambient humidity in the case that the coagulation process of the kapok blank is not qualified comprises: The defect distribution index is differenced with the preset defect distribution index to obtain a defect difference value; and setting a plurality of humidity adjustment coefficients to adjust the environmental humidity based on the comparison result of the defect difference value and the preset defect difference value.
8. The manufacturing process of kapok window according to claim 7, wherein the integrated distribution index refers to a weighted sum of an internal closed pore size uniformity index, a distribution uniformity index, and a morphology uniformity index.
9. The manufacturing process of the kapok window according to claim 8, wherein the process of determining whether the quality of the kapok plate is acceptable based on the integrated distribution index comprises: Comparing the comprehensive distribution index with a preset comprehensive distribution index; And determining that the quality of the kapok plate is unqualified based on the comparison result that the comprehensive distribution index is smaller than the preset comprehensive distribution index.
10. The process for producing and preparing a kapok window according to claim 9, wherein the process of optimizing the preset gradient index under the condition that the quality of the kapok plate is not qualified comprises: the preset comprehensive distribution index and the comprehensive distribution index are subjected to difference to obtain an index difference value; And setting a plurality of index adjustment coefficients to reduce the preset gradient index based on a comparison result of the index difference value and a preset index difference value.

Description

Production and preparation process of kapok window Technical Field The invention relates to the technical field of kapok material preparation, in particular to a production and preparation process of a kapok window. Background Under the large background of building energy conservation and green building material development, the window is used as a key component of a building enclosure structure, and the heat preservation, heat insulation, sound insulation, water resistance and structural stability are core factors influencing the overall energy conservation effect, living comfort and use safety of the building. The main stream window frame material in the current market and the existing technology have a plurality of outstanding pain points that the aluminum alloy window frame has high heat conductivity coefficient, is easy to form a heat bridge, seriously influences the heat preservation and energy saving effects of the building, the plastic window frame has insufficient heat resistance and ageing resistance, is easy to deform and crack after long-term use, has short service life, and has high cost, is easy to be subjected to damp and mildew, has poor fireproof performance and high maintenance cost, and is difficult to adapt to the requirements of large-scale and green production. Compared with the prior art, the kapok board is used as a novel environment-friendly energy-saving building material, has the irreplaceable core advantage, has compact and uniform closed-pore structure inside the kapok board, can effectively block heat and moisture transfer, has heat preservation and heat insulation properties far exceeding those of the traditional window frame material, has the characteristics of light weight, high strength, flame retardance, dampproofing, environmental friendliness and no pollution, and has mechanical properties and durability completely matched with the load bearing and deformation resistance requirements of the window frame, so that the performance short board of the traditional window frame can be fundamentally solved. Chinese patent application publication No. CN110205041a discloses a carrier-free window film and a glass window. The carrier-free window film comprises a scratch-resistant layer and a pressure-sensitive adhesive layer which are sequentially connected, wherein the scratch-resistant layer is a layered structure obtained by coating scratch-resistant mixed paint on the surface of the pressure-sensitive adhesive layer and then photo-curing. The scratch-resistant mixed coating is mainly prepared by mixing a scratch-resistant agent, a first solvent and a second solvent according to the mass ratio of 20-50:15-60:15-60. The carrier-free window film reduces the substrate layer, but ensures that the window film also has good mechanical property and bonding property, and simultaneously reduces the substrate layer so as to reduce the manufacturing cost of the carrier-free window film. In the prior art, the defects that the size, the distribution and the shape of the closed pores in the kapok plate are poor, agglomeration, communication holes and the like are easy to occur in the closed pores due to the fact that the monitoring is lack of the preparation process of the kapok plate, the technological parameters in the coagulation and coagulation stages in the preparation process of the kapok plate are improperly regulated and controlled, the raw material mixing and the release rate of the expanding agent are not perfect, the quality stability of the kapok plate is poor, the mechanical strength and the heat preservation performance are insufficient, and the core requirements of the preparation of a kapok window cannot be met are also caused. Disclosure of Invention Therefore, the invention provides a production and preparation process of a kapok window, which is used for overcoming the defects that the quality stability of a kapok plate is poor, the mechanical strength and the heat preservation performance are insufficient due to the defects that the process parameters of the coagulation and coagulation stages in the preparation process of the kapok plate are improperly regulated and controlled, the size, the distribution and the shape consistency of closed pores in the kapok plate are poor, the closed pores are easy to agglomerate, the communication holes are easy to occur and the like due to the fact that the process parameters of the coagulation and coagulation stages in the preparation process of the kapok plate are improperly regulated and controlled. In order to achieve the above object, the present invention provides a production and preparation process of a kapok window, comprising: mixing flame-retardant kapok fibers with other materials according to a preset proportion to obtain a solid-liquid mixture, and sending the solid-liquid mixture into a reaction kettle for stirring; Acquiring image information in the stirring process of the solid-liquid mixture, extracting radial density g