CN112743962A - Processing technology of wound composite humidifying filter cylinder - Google Patents

Processing technology of wound composite humidifying filter cylinder Download PDF

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Publication number
CN112743962A
CN112743962A CN202110066120.1A CN202110066120A CN112743962A CN 112743962 A CN112743962 A CN 112743962A CN 202110066120 A CN202110066120 A CN 202110066120A CN 112743962 A CN112743962 A CN 112743962A
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China
Prior art keywords
net
moisture absorption
punched
stretched
filter cylinder
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Pending
Application number
CN202110066120.1A
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Chinese (zh)
Inventor
章文贵
刘丰华
严安亮
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Nantong Deli Purification Equipment Factory Co ltd
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Nantong Deli Purification Equipment Factory Co ltd
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Priority to CN202110066120.1A priority Critical patent/CN112743962A/en
Publication of CN112743962A publication Critical patent/CN112743962A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00Ancillary operations in connection with laminating processes
    • B32B38/04Punching, slitting or perforating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1207Heat-activated adhesive
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00Ancillary operations in connection with laminating processes
    • B32B38/0012Mechanical treatment, e.g. roughening, deforming, stretching
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1207Heat-activated adhesive
    • B32B2037/1215Hot-melt adhesive
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1207Heat-activated adhesive
    • B32B2037/1215Hot-melt adhesive
    • B32B2037/1223Hot-melt adhesive film-shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00Ancillary operations in connection with laminating processes
    • B32B38/0012Mechanical treatment, e.g. roughening, deforming, stretching
    • B32B2038/0028Stretching, elongating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00Ancillary operations in connection with laminating processes
    • B32B38/04Punching, slitting or perforating
    • B32B2038/042Punching

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Filtering Materials (AREA)

Abstract

The invention discloses a processing technology of a wound composite humidifying filter cylinder, which comprises the following processing steps: 1) punching and stretching a plane type moisture absorption material, wherein the width of the material can be narrowed and the length of the material can be prolonged by stretching, and 3D meshes are formed in the thickness direction, 2) fixing the punched stretched moisture absorption net prepared in the step 1), spraying/scraping a glue film or a glue wire on a porous support net with the same length and width, aligning, laminating and appropriately compressing the glue surface and the fixed punched stretched moisture absorption net to form a composite net, and 3) winding the composite net obtained in the step 2) on a cylindrical roller by taking the porous support net as an inner layer and the punched stretched moisture absorption net as an outer layer to obtain a winding type composite humidifying filter cylinder finished product; the porous supporting net and the punching stretching moisture absorption net are tightly combined, the 3D hole type formed by stretching the punching stretching moisture absorption net is provided with structural support and kept, the porous supporting net is not easy to collapse and scatter when meeting water, and compared with a square sheet butt-joint circle-surrounding mode, the porous supporting net is more stable in structure and not easy to deform.

Description

Processing technology of wound composite humidifying filter cylinder
Technical Field
The invention relates to a processing technology of a wound composite humidifying filter cylinder, and belongs to the technical field of indoor humidifying manufacturing and processing.
Background
At present, the indoor humidity is mostly achieved by a humidifier, the humidifier is classified into an ultrasonic type, an evaporation type, an electric heating type and other types according to the national standard GB/T23332-2018, wherein the ultrasonic type is large in humidification quantity and rapid in humidification, but water source brought-in pollution such as water scale and bacteria exists, the white fog phenomenon is obvious, and certain health risks exist; the electric heating type has higher energy consumption because of heating; the evaporation type humidifier is gradually noticed in silence, has no white fog, has low energy consumption, high safety factor and the like, and is also called wet film humidification or pure type humidification.
In order to achieve a good wet film humidifying effect, the humidifying filter screen of the existing commercial civil humidifier is mostly made of high-water-absorption wood pulp paper, spunlace cotton, 3D (three-dimensional) mesh cotton and other materials, but the humidifying filter screen is often deformed due to water-contact softening and the like due to the material and process reasons. For this reason, this department also made some technological development earlier, adopted the supporter mode to partially strengthen the structural stability, for example CN201620202374.6 discloses a wood pulp paper humidification filter screen, including humidification filter screen main part, humidification filter screen main part comprises multilayer filter media and at least one deck supporter, all evenly is equipped with the hole on filter media and the supporter, and the crossing of the hole on the filter media all is equipped with the connection position, and the crossing of the hole on the supporter all is equipped with the connection position, connects through respective connection position between the filter media, connects through respective connection position between supporter and the filter media. However, since the support body is also formed by punching and drawing a net to form holes, the problem of deformation of the holes is not effectively solved although softening in water can be alleviated.
At present, a humidification filter element of a commercially available civil humidifier usually adopts a cylindrical humidification filter screen, and a manufacturing method of the humidification filter element usually adopts a method of stacking, bonding or folding, gluing and the like for multiple times by adopting porous humidification materials to manufacture a square sheet with a certain thickness, and then cutting and enclosing the cylinder to manufacture the cylindrical humidification filter screen, so that the processing steps are complicated, and the waste degree of raw materials by a cutting process is high.
Disclosure of Invention
The invention provides a processing technology of a wound composite humidification filter cylinder, which is used for overcoming the defects that the processing steps of a humidification filter element of a humidifier are complicated and the waste degree of raw materials caused by a cutting procedure is high in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention discloses a processing technology of a wound composite humidifying filter cylinder, which comprises the following processing steps:
1) punching and stretching, wherein the thickness of the plane type moisture absorption material is 0.1-0.8 mm, the material is stretched after punching, the width of the material can be narrowed and the length of the material can be prolonged by stretching, and 3D meshes are formed in the thickness direction to manufacture the punched and stretched moisture absorption net with the thickness of 1.0-8.0 mm;
2) gluing and compounding, namely fixing the punched stretched moisture absorption net prepared in the step 1), spraying/scraping a glue film or a glue wire on a porous support net with the same length and width, aligning, laminating and properly pressing the glue surface and the fixed punched stretched moisture absorption net to form a compound net;
3) and (3) gluing and winding, namely winding the composite net obtained in the step 2) on a cylindrical roller by taking the porous support net as an inner layer and the punched and stretched moisture absorption net as an outer layer, wherein the outer layer is sprayed/blade-coated with a glue film or a glue wire synchronously, and the glue film or the glue wire is taken down from the cylindrical roller after being cooled to obtain a finished product of the wound composite humidifying filter cylinder.
Furthermore, the punched stretched moisture absorption net is made of any one of face-type moisture absorption materials such as absorbent wood pulp paper, absorbent resin sheets, modified absorbent polypropylene paper or absorbent spunlace cotton, and the moisture absorption net is a humidification filter cylinder and is a moisture absorption-release layer, so that the moisture is transported and released.
Furthermore, the porous support net is a planar mesh of a porous metal net, a plastic net, a hard spunlace cotton net, a resin net or functional porous paper, the pore size of the planar mesh is smaller than the stretched 3D pore size of the punching and stretching moisture absorption net, the thickness of the planar mesh is 0.1-1.0 mm, the planar mesh mainly has the functions of providing support and structural stability for the punching and stretching moisture absorption net and also provides moisture absorption-moisture release effects.
Furthermore, the wound composite humidifying filter cylinder is made of the punched stretched moisture absorption net and the porous support net in an adhesive composite mode, and the adhesive material is EVA hot melt adhesive or waterproof type adhesive of latex.
Further, a section of thick bamboo is strained around compound humidification of formula of book, the shaping adopts around the book mode, and around adopting sticky mode to connect between the roll layer, sticky material is the water-fast type glue of EVA hot melt adhesive or latex, through the adjustment around the reel diameter, around the number of turns, compound net breadth, effectively adjusts the internal diameter, external diameter or thickness and a section of thick bamboo height size that the finished product corresponds.
The invention has the following beneficial effects:
1) the porous support net is tightly combined with the punched stretched moisture absorption net, so that structural support is provided for the punched stretched moisture absorption net, the 3D hole pattern formed by stretching the punched stretched moisture absorption net is kept, and the punched stretched moisture absorption net is not easy to collapse or scatter when meeting water;
2) the winding type manufacturing process is simple, convenient and feasible, the product size such as diameter, height, thickness and the like is flexible and adjustable, multiple stacking and cutting are not needed, and the material waste is less;
3) the humidification of preparation is strained a section of thick bamboo structure and is enclosed the circle for the winding, compares square piece butt joint and encloses the circle mode, and the structure is more firm, non-deformable.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic representation of an unstretched construction of a punched stretched absorbent web of the present invention;
FIG. 2 is a schematic view of a stretched construction of a perforated stretched absorbent web of the present invention;
FIG. 3 is a schematic structural view of a porous support screen of the present invention;
FIG. 4 is a schematic structural view of a composite web of the porous support screen of the present invention;
FIG. 5 is an enlarged view of a portion of the structure at A in FIG. 4 according to the present invention;
FIG. 6 is a schematic view of the operation of the inventive coil;
fig. 7 is a schematic structural diagram of the finished product of the invention.
In the figure: 1. a planar hygroscopic material; 2. a porous support web; 3. a porous support net composite net.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1
As shown in fig. 1-7, a process for manufacturing a wound composite humidification filter cartridge includes the following steps:
1) punching and stretching, namely stretching a wood pulp paper web which is made of planar moisture absorption material 1 and has the width of 300mm, the length of 2000mm and the thickness of 0.4mm along the direction vertical to a knife hole punching opening, wherein the size of the knife hole punching opening is 15mm, the distance between the knife hole stretching directions is 2.5mm, and the distance between the knife hole stretching directions is 2.5mm, so as to manufacture a punched and stretched wood pulp paper web with the width of 250mm, the length of 2400mm and the thickness of 4 mm;
2) gluing and compounding, namely fixing the punched and stretched wood pulp paper web prepared in the step 1), spraying EVA (ethylene vinyl acetate) hot melt adhesive filaments on a porous support net 2 of spunlace cotton with the width of 250mm, the length of 2400mm and the thickness of 0.4mm, aligning, laminating and appropriately compressing a glue surface and the fixed punched and stretched wood pulp paper web to form a punched and stretched wood pulp paper-spunlace cotton porous support net composite net 3;
3) and (3) gluing and winding, namely winding the punched and stretched wood pulp paper-spunlaced cotton composite net obtained in the step 2) by taking the spunlaced cotton net as an inner layer and the punched and stretched wood pulp paper net as an outer layer on a cylindrical roller with the cylinder diameter of 160mm and the length of more than 250mm, wherein the outer layer needs an EVA (ethylene vinyl acetate) adhesive film which is coated in a scraping mode synchronously, and taking down the adhesive film from the cylindrical roller after cooling to obtain a finished product of the wound and stretched wood pulp paper-spunlaced cotton composite humidifying filter cylinder.
Example 2
As shown in fig. 1-7, a process for manufacturing a wound composite humidification filter cartridge includes the following steps:
1) punching and stretching, namely, punching and stretching a spunlace cotton which is made of a planar moisture absorption material 1 and has the width of 250mm, the length of 2000mm and the thickness of 0.4mm, wherein the size of a knife hole punching opening is 15mm, the distance between the knife hole stretching directions is 2.5mm, and the stretching is carried out along the direction vertical to the knife hole punching opening direction to prepare a punched and stretched spunlace cotton net with the width of 200mm, the length of 2500mm and the thickness of 4 mm;
2) gluing and compounding, namely fixing the punched and stretched spunlace cotton net prepared in the step 1), spraying EVA (ethylene vinyl acetate) hot melt adhesive filaments on a porous aluminum porous support net 2 with the width of 200mm, the length of 2500mm and the thickness of 0.2mm, aligning, laminating and appropriately compressing the adhesive surface with the fixed punched and stretched spunlace cotton net to form a punched and stretched spunlace cotton net-aluminum porous support net composite net 3;
3) and (3) gluing and winding, namely winding the punched wood pulp paper-spunlaced cotton composite net obtained in the step 2) by taking an aluminum net as an inner layer and a punched stretched spunlaced cotton net as an outer layer on a cylindrical roller with the cylinder diameter of 150mm and the length of more than 200mm, wherein the outer layer is a latex film which needs to be synchronously scraped, and taking down the cooled latex film from the cylindrical roller to obtain a wound punched stretched spunlaced cotton net-aluminum net composite humidifying filter cylinder finished product.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. A processing technology of a wound composite humidifying filter cylinder is characterized by comprising the following processing steps:
1) punching and stretching, namely, stretching the planar moisture absorption material with the thickness of 0.1-0.8 mm after punching, narrowing the width and lengthening the length of the material by stretching, and forming 3D meshes in the thickness direction to prepare a punched and stretched moisture absorption net with the thickness of 1.0-8.0 mm;
2) gluing and compounding, namely fixing the punched stretched moisture absorption net prepared in the step 1), spraying/scraping a glue film or a glue wire on a porous support net with the same length and width, aligning, laminating and properly pressing the glue surface and the fixed punched stretched moisture absorption net to form a compound net;
3) and (3) gluing and winding, namely winding the composite net obtained in the step 2) on a cylindrical roller by taking the porous support net as an inner layer and the punched and stretched moisture absorption net as an outer layer, wherein the outer layer is sprayed/blade-coated with a glue film or a glue wire synchronously, and the glue film or the glue wire is taken down from the cylindrical roller after being cooled to obtain a finished product of the wound composite humidifying filter cylinder.
2. The processing technology of the wound composite humidifying filter cylinder according to claim 1, wherein the punched and stretched moisture absorption net is made of any one of face-type moisture absorption materials such as absorbent wood pulp paper, absorbent resin sheets, modified absorbent polypropylene paper or absorbent spunlace cotton, and the moisture absorption net is a moisture absorption-release layer of the humidifying filter cylinder and has the effect of transporting and releasing water vapor.
3. The processing technology of the wound composite humidification filter cylinder as claimed in claim 1, wherein the porous support net is a planar mesh of porous metal net, plastic net, hard spunlace cotton net, resin net or functional porous paper, the pore size of the planar mesh is smaller than the stretched 3D pore size of the punched stretched moisture absorption net, the thickness of the planar mesh is 0.1-1.0 mm, and the planar mesh has the functions of providing support and structural stability for the punched stretched moisture absorption net and providing moisture absorption-release effects.
4. The processing technology of the wound composite humidification filter cylinder according to claim 1, wherein the wound composite humidification filter cylinder is made by combining the punched stretched moisture absorption net and the porous support net through gluing, and the gluing material is EVA hot melt adhesive or water-resistant glue of latex.
5. The processing technology of the wound composite humidification filter cylinder according to claim 4, wherein the wound composite humidification filter cylinder is formed in a winding manner, winding layers are connected in an adhesive manner, the adhesive material is EVA hot melt adhesive or water-resistant type adhesive of latex, and the corresponding inner diameter, outer diameter or thickness of a finished product and the height of the cylinder are effectively adjusted by adjusting the diameter of the wound cylinder, the number of windings and the width of the composite net.
CN202110066120.1A 2021-01-19 2021-01-19 Processing technology of wound composite humidifying filter cylinder Pending CN112743962A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114179492A (en) * 2021-12-30 2022-03-15 南通得力净化器材厂有限公司 Preparation method of novel water-absorbing antibacterial support composite humidifying material

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2611788Y (en) * 2003-01-27 2004-04-14 刘传弼 Filtering material for humidifying air and lowering temp
CN1727031A (en) * 2005-05-30 2006-02-01 佛山市顺德区阿波罗环保器材有限公司 Method for fabricating 3D filter screen in punched holes type
CN205443788U (en) * 2016-03-16 2016-08-10 严安亮 Wood pulp paper humidification filter screen
CN207113035U (en) * 2017-03-08 2018-03-16 青岛海尔空调器有限总公司 One kind humidification filter screen, humidification device and air conditioner
CN209138156U (en) * 2018-11-16 2019-07-23 南通得力净化器材厂有限公司 A kind of humidification strainer with gradient-structure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2611788Y (en) * 2003-01-27 2004-04-14 刘传弼 Filtering material for humidifying air and lowering temp
CN1727031A (en) * 2005-05-30 2006-02-01 佛山市顺德区阿波罗环保器材有限公司 Method for fabricating 3D filter screen in punched holes type
CN205443788U (en) * 2016-03-16 2016-08-10 严安亮 Wood pulp paper humidification filter screen
CN207113035U (en) * 2017-03-08 2018-03-16 青岛海尔空调器有限总公司 One kind humidification filter screen, humidification device and air conditioner
CN209138156U (en) * 2018-11-16 2019-07-23 南通得力净化器材厂有限公司 A kind of humidification strainer with gradient-structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114179492A (en) * 2021-12-30 2022-03-15 南通得力净化器材厂有限公司 Preparation method of novel water-absorbing antibacterial support composite humidifying material

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