CN102582144B - Composite melt-blown filter core material filled with feather fiber, and preparation device and method thereof - Google Patents
Composite melt-blown filter core material filled with feather fiber, and preparation device and method thereof Download PDFInfo
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- CN102582144B CN102582144B CN201210019962.2A CN201210019962A CN102582144B CN 102582144 B CN102582144 B CN 102582144B CN 201210019962 A CN201210019962 A CN 201210019962A CN 102582144 B CN102582144 B CN 102582144B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/926—Flow or feed rate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92904—Die; Nozzle zone
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- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Filtering Materials (AREA)
Abstract
The invention provides a composite melt-blown filter core material filled with feather fiber, and a preparation device and method thereof. The composite melt-blown filter core material filled with the feather fiber is characterized by comprising a core layer, a middle layer and a surface layer, wherein the middle layer is placed in the middle; the core layer and the surface layer are respectively composited on the two surfaces of the middle layer; the core layer is provided with melt-blown fiber; the middle layer is a composite layer provided with the feather fiber and melt-blown fiber; and the surface layer is provided with melt-blown fiber. According to the composite melt-blown filter core material, the feather fiber and polypropylene fiber are bonded together through a melt-blown technology, so a feather non-woven material is formed, the defect that the feather fiber is difficult to process is overcome and the filling amount of the feather fiber is increased.
Description
Technical field
The invention belongs to composite nonwoven material and preparation field thereof, more specifically, the present invention relates to a kind of fill feather fiber non-woven composite filter element material and preparation facilities and method.
Background technology
China is the production and trade big country of eider down, feather and goods thereof, eider down, feather aboundresources, and annual production reaches more than 60 ten thousand tons, and the own market scale through forming 30,000,000,000 yuan, accounts for 60% of Gross World Product.At present, the eiderdown quilt except 20% is used as except warming packing material, and the feather resource of remaining 80% has only been utilized 3% ~ 5%, is mainly used as inserts, shuttlecock and handicraft, and minority is used for extracting protein and makes fertilizer.Also rest in the rough machined level of raw material to the research and development of feather and goods thereof both at home and abroad, feather resource overall utilization is not high, is mainly disposed by the mode of burning or landfill by as discarded object, causes larger pollution to ecological environment.
Feather down is the derivative of skins of birds, is mainly divided into eider down and feather.Eider down pinnule is called staple after rhachis or pen feather are separated; Feather pinnule is called plumage silk after rhachis is separated.Staple and plumage silk are referred to as feather fiber.Feather fiber is straight, does not have coherent, and tensile strength is lower, can not directly be used for spinning, and cannot form pure feather fibre fabric.If with other fiber blend, the loading of feather fiber can not be too high, and be generally no more than 60%, otherwise yarn tensile strength is low, surface hairiness is many, evenness fault.
Much research finds, feather fiber can heavy metal ion well in adsorbed water and harmful dyestuff, as peacock green, indigo FCF and phenol etc.Therefore, feather fiber is used for dirty water and wastewater treatment, can harmful substance well in adsorbed water.But feather fiber discreteness is too large, swims in water and becomes impurity, reclaims difficulty, yet there are no large-scale promotion application so far.
Patent CN1570273 discloses a kind of poultry feather that utilizes and produces the technique of specialties, and its adopts feather fiber to be primary raw material, joins by a certain percentage copy with plant fiber pulp, thus produces and can be applied to multi-purpose specialties.In this invention, feather fiber just can mix with plant fiber pulp after high concentration plate mill will be adopted to make feather fiber slurry, and also need after being configured as paper to bleach, complex manufacturing technology, cost is high.
Patent CN101385921 non-woven composite filter material disclosing a kind of feather fiber and preparation method thereof, it is by being mixed into bicomponent fibre in feather fiber, then the fleece with certain mechanical property is configured as by the method for air lay and pinprick reinforcement, and then reinforced by hot-air oven hot melt, obtain composite filter material.This filtering material has good mechanical property and dimensional stability.But this material forming technological process is longer, equipment investment is comparatively large, and this feather nonwoven composite filter material uses inconvenient.
Summary of the invention
The object of this invention is to provide a kind of fill feather fiber non-woven composite filter element material and preparation facilities and method, described non-woven composite filter element material monolithic uniformity is good, surfacing, do not fall hair, and effectively can adsorb the harmful substances such as heavy metal, dyestuff, greasy dirt and the organic solvent in waste water, purify water; Described preparation method does not need to anticipate feather fiber, and technique is simple.
In order to achieve the above object, the invention provides a kind of composite melt blowing filter element material of filling feather fiber, it is characterized in that, be made up of sandwich layer, intermediate layer and top layer, intermediate layer is placed in the middle, and sandwich layer and top layer are compounded in two surfaces in intermediate layer respectively, and described sandwich layer is meltblown fibers, intermediate layer is the composite bed of feather fiber and meltblown fibers, and top layer is meltblown fibers.
Preferably, described sandwich layer is cut into slices by polyethylene section, polypropylene chip, polyester slice or polyamide and is formed through the melt-blown meltblown fibers obtained, and the thickness of sandwich layer is 3 ~ 6mm, and length is 500 ~ 1400mm, the diameter of meltblown fibers is 4 ~ 6 μm, and porosity is 73 ~ 78%.
Preferably, the composite that described intermediate layer is mixed into feather fiber by polyethylene section, polypropylene chip, polyester slice or polyamide section and is formed in melt blown process is formed, the thickness in intermediate layer is 3 ~ 69mm, length is 500 ~ 1400mm, the content of feather fiber is 60% ~ 80%, and porosity is 78 ~ 85%.
Preferably, cut into slices by polyethylene section, polypropylene chip, polyester slice or polyamide and form through the melt-blown meltblown fibers obtained in described top layer, the thickness on top layer is 3 ~ 6mm, and length is 500 ~ 1400mm, fibre diameter is 4 ~ 6 μm, and porosity is 73 ~ 78%.
Preferably, the length of the composite melt blowing filter element material of described filling feather fiber is 500 ~ 1400mm, and internal diameter is 25mm, 28mm, 30mm or 35mm, and external diameter is 50 ~ 100mm.
Present invention also offers the preparation facilities of the composite melt blowing filter element material of above-mentioned filling feather fiber, comprise traditional device for melt blowing, described traditional device for melt blowing comprises screw extruder and filter core receives coiler device, it is characterized in that, also comprise feather fiber feeding unit, described feather fiber feeding unit comprises pipe, air compressor machine and hello cotton weighing machine, the upper orifice of described pipe and the compressed air outlet of air compressor machine export with hello cotton weighing machine and are connected, the lower nozzle of described pipe is located at screw extruder and filter core and is received position above the melt-blown thermal air current that formed between coiler device.
Present invention also offers the preparation method of the composite melt blowing filter element material of above-mentioned filling feather fiber, it is characterized in that, adopt the preparation facilities of the composite melt blowing filter element material of above-mentioned filling feather fiber, concrete steps are:
The first step: by polyethylene section, polypropylene chip, polyester slice or polyamide section by screw extruder heating and melting, arrive filter core and receive coiler device after spinneret orifice is extruded under hot-air drawing-off, cooling forms sandwich layer;
Second step: while operation screw extruder and filter core receive coiler device, open feather fiber feeding unit, feather fiber is fed in melt-blown thermal air current, agglomerating to filter core together with meltblown fibers receives on coiler device, naturally the composite bed of feather fiber and meltblown fibers is formed after cooling in the outside of sandwich layer, i.e. intermediate layer;
3rd step: stop feeding feather fiber, proceed melt-blown production, on the formation top layer, outside in intermediate layer, obtains the composite melt blowing filter element material of filling feather fiber.
Preferably, the concrete technology parameter of the described first step is: when using polyethylene section, the temperature of screw extruder is 200 ~ 300 DEG C, when using polypropylene chip, the temperature of screw extruder is 220 ~ 320 DEG C, and when using polyester slice, the temperature of screw extruder is 180 ~ 320 DEG C, when using polyamide section, the temperature of screw extruder is 170 ~ 300 DEG C; The spinneret orifice hole count of screw extruder is 600, and the extrusion capacity of each spinneret orifice is 0.3 ~ 0.5g/min; The temperature of drawing-off hot-air is 300 ~ 380 DEG C, and pressure is 0.2 ~ 0.5MPa; Horizontal range between the spinneret orifice of screw extruder and filter core receiving system is 200 ~ 300mm; The rotating speed that filter core receives coiler device is 25 ~ 30rpm, and traversing speed is 24 ~ 1400cm/min, and the melt-blown time is 0.2 ~ 2min.
Preferably, the concrete technology parameter of described second step is: the air velocity in pipe is 5 ~ 10m/s, and the feeding speed of feather fiber is 0.7 ~ 3414g/min, and the horizontal range between the spinneret orifice of screw extruder and filter core receiving system is 280 ~ 360mm; The rotating speed that filter core receives coiler device is 25 ~ 30rpm, and traversing speed is 7.8 ~ 14000cm/min, and feather fiber feeding time is 0.04 ~ 11.3min.
Preferably, the concrete technology parameter of the 3rd described step is: the horizontal range that the spinneret orifice of screw extruder and filter core receive between coiler device is 220 ~ 425mm, the rotating speed that filter core receives coiler device is 25 ~ 30rpm, traversing speed is 9.4 ~ 933cm/min, stops the melt-blown time after feeding feather fiber to be 0.3 ~ 5.3min.
Feather fiber of the present invention refers to without specially treated, is directly separated staple and the plumage silk of impurity elimination from chicken, duck, goose, peacock or ostrich poultry feather plumage.
Compared with prior art, advantage of the present invention is:
(1) feather fiber and chemical fibre are by melt-blown process, are bonded together, and form feather nonwoven material, overcome the shortcoming that feather fiber is not easily processed, improve the loading of feather fiber;
(2) adopt composite filter element material monolithic good evenness, the surfacing of the filling feather fiber that obtains of melt-blown process, do not fall hair, there is good strainability; And easily take, easy-to-use, can regularly replace, solve the problem that feather fiber is difficult to Reusability;
(3) compared with common chemical fiber filtering material, this compound melt-blown filter materials has the specific function of the harmful substances such as the metal ions such as adsorbable heavy metal, dyestuff, lead, copper, greasy dirt and organic solvent.
Accompanying drawing explanation
Fig. 1 is the structural representation of the composite melt blowing filter element material of filling feather fiber;
Fig. 2 is preparation method's flow chart of composite melt blowing filter element material;
Fig. 3 is the preparation facilities structural representation of composite melt blowing filter element material.
Detailed description of the invention
The present invention is illustrated below in conjunction with embodiment.
Embodiment 1
As shown in Figure 3, for the preparation facilities structural representation of composite melt blowing filter element material, the preparation facilities of described composite melt blowing filter element material comprises traditional device for melt blowing and feather fiber feeding unit, described traditional device for melt blowing comprises screw extruder 4 and filter core receives coiler device 5, described feather fiber feeding unit comprises pipe 6, cotton weighing machine fed by air compressor machine and ZBG011 type, the upper orifice of pipe 6 is exported by a horn-like joint and ZBG011 type hello cotton weighing machine and is connected, the compressed air outlet of air compressor machine and ZBG011 type hello cotton weighing machine export and are connected, the compressed air that air compressor machine produces enters by feeding the outlet of cotton weighing machine.The diameter of pipe 6 is 80mm, the lower nozzle of pipe 6 is located at screw extruder 4 and filter core and is received position above the melt-blown thermal air current 7 that formed between coiler device 5, pipe 6 is 60 ° with the angle on ground, horizontal range between the lower nozzle of pipe 6 and the spinneret orifice of screw extruder 4 is 100mm, and vertical range is 60mm.Feather fiber through feeding cotton weighing machine shredding and automatic weighing is quantitatively fed in melt-blown thermal air current by the compressed air that air compressor machine provides.
Embodiment 2
As shown in Figure 2, be preparation method's flow chart of composite melt blowing filter element material, the concrete steps of the preparation method of described composite melt blowing filter element material are:
(1) trade mark that Sinopec Group produces is that the ldpe resin section of 888-000 to be added by screw extruder 4 and is hot extruded into as molten state, be filtered after measuring with measuring pump and enter spinneret orifice, after spinneret orifice is extruded, arrive filter core under hot-air drawing-off receive coiler device 5, then cooling forming is the sandwich layer 1 of composite filter element material.Concrete technology parameter: screw extruder 4 temperature is 220 DEG C, the spinneret orifice hole count of screw extruder 4 is 600, and the extrusion capacity of each die head spinneret orifice is 0.3g/min, and the temperature of drawing-off hot-air is 360 DEG C, and pressure is 0.3MPa; Horizontal range between the spinneret orifice of screw extruder 4 and filter core receiving system is 200mm; Filter core internal diameter is 25mm, and the rotating speed that filter core receives coiler device 5 is 25rpm, and traversing speed is 280cm/min.This step 1min of continuous service, obtains that thickness is 3mm, length is 1400mm, fibre diameter is 6 μm, porosity is the layer of meltblown fibers of 73%, i.e. the sandwich layer 1 of composite filter element material.
(2) while operating procedure (1), open feather fiber feeding unit, feather fiber is fed in melt-blown thermal air current, agglomerating to filter core together with meltblown fibers receives on coiler device, naturally the composite bed of feather fiber and meltblown fibers is obtained after cooling, i.e. the intermediate layer of composite melt blowing filter element material.Concrete technology parameter is: in pipe 6, air velocity is 6m/s, and feather fiber feeding speed is 273g/min; Horizontal range between screw extruder 4 spinneret orifice and filter core receiving system 5 is 280mm; It is 25rpm that filter core receives coiler device 5 rotating speed, and traversing speed is 560cm/min.This step 1.0min of continuous service, other technological parameter is identical with the first step, obtain thickness is 20mm, length is 1400mm, the weight percent content of feather fiber is 60%, porosity is 80% feather fiber and meltblown fibers composite bed, i.e. the intermediate layer 2 of composite melt blowing filter element material.
(3) feeding feather fiber is stopped, horizontal range between the spinneret orifice of screw extruder 4 and filter core receiving system 5 is adjusted to 230mm, the rotating speed that filter core receives coiler device 5 is 25rpm, traversing speed is 147cm/min, proceed melt-blown production 1.9min, obtained thickness is 3mm, length is 1400mm, fibre diameter is 6 μm, porosity is the layer of meltblown fibers of 73%, i.e. the top layer 3 of composite melt blowing filter element material.
As shown in Figure 1, for filling the structural representation of the composite melt blowing filter element material of feather fiber, described is made up of sandwich layer 1, intermediate layer 2 and top layer 3, intermediate layer 2 is placed in the middle, sandwich layer 1 and top layer 3 are compounded in two surfaces in intermediate layer respectively, described sandwich layer 1 is meltblown fibers, and intermediate layer 2 is the composite bed of feather fiber and meltblown fibers, and top layer 3 is meltblown fibers.The length of gained composite melt blowing filter element material is 1400mm, internal diameter is 25mm, external diameter is 51mm, and the weight percent content of feather fiber is 60%.According to ISO4003 international standard test (if method of testing approach well known, please provide title, otherwise, provide concrete testing procedure), the filtering accuracy of this composite melt blowing filter element material is 7 μm.Under pressure reduction is 0.015MPa condition, clear water flow is 1.2 tons/hour, and the saturated extent of adsorption being 200ppm lead ion solution to concentration is 20g.
Embodiment 3
As shown in Figure 2, be preparation method's flow chart of composite melt blowing filter element material, the concrete steps of the preparation method of described composite melt blowing filter element material are:
(1) trade mark that Sinopec Group produces is that the acrylic resin section of S2040 to be added by screw extruder and is hot extruded into as molten state, be filtered after measuring with measuring pump and enter spinneret orifice, after spinneret orifice is extruded, arrive filter core under hot-air drawing-off receive coiler device, then cooling forming is the sandwich layer of composite filter element material.Concrete technology parameter: screw extruder temperature is 230 DEG C, the spinneret orifice hole count of screw extruder 4 is 600, the extrusion capacity 0.4g/min of each die head spinneret orifice; The temperature of drawing-off hot-air is 360 DEG C, and pressure is 0.4MPa; Horizontal range between screw extruder spinneret orifice and filter core receiving system is 220mm; Filter core internal diameter is 30mm, and the rotating speed that filter core receives coiler device 5 is 30rpm, and traversing speed is 200cm/min.This step 1min of continuous service, obtains that thickness is 5mm, length is 1000mm, fibre diameter is 5 μm, porosity is the layer of meltblown fibers of 74%, i.e. the sandwich layer 1 of composite filter element material.
(2) while operating procedure (1), open feather fiber feeding unit, feather fiber is fed in melt-blown thermal air current, agglomerating to filter core together with meltblown fibers receives on coiler device, naturally the composite bed of feather fiber and meltblown fibers is obtained after cooling, i.e. the intermediate layer of composite melt blowing filter element material.Concrete technology parameter is: in pipe 6, air velocity is 10m/s, and feather fiber feeding speed is 545g/min; Horizontal range between screw extruder 4 spinneret orifice and filter core receiving system 4 is 280mm; It is 30rpm that filter core receives coiler device 5 rotating speed, and traversing speed is 267cm/min.This step 1.5min of continuous service, other technological parameter is identical with the first step, obtain thickness is 50mm, length is 1000mm, the weight percent content of feather fiber is 70%, porosity is 80% feather fiber and meltblown fibers composite bed, i.e. the intermediate layer 2 of composite melt blowing filter element material.
(3) feeding feather fiber is stopped, horizontal range between screw extruder spinneret orifice and filter core receiving system is adjusted to 230mm, the rotating speed that filter core receives coiler device is 30rpm, traversing speed is 76.9cm/min, proceed melt-blown production 2.6min, obtained thickness is 5mm, length is 1000mm, fibre diameter is 5 μm, porosity is the layer of meltblown fibers of 75%, i.e. the top layer 3 of composite melt blowing filter element material.
As shown in Figure 1, for filling the structural representation of the composite melt blowing filter element material of feather fiber, described is made up of sandwich layer 1, intermediate layer 2 and top layer 3, intermediate layer 2 is placed in the middle, sandwich layer 1 and top layer 3 are compounded in two surfaces in intermediate layer respectively, described sandwich layer 1 is meltblown fibers, and intermediate layer 2 is the composite bed of feather fiber and meltblown fibers, and top layer 3 is meltblown fibers.The length of gained composite melt blowing filter element material is 1000mm, internal diameter is 30mm, external diameter is 90mm, and the weight percent content of feather fiber is 70%.According to the test of ISO4003 international standard (if method of testing approach well known, title please be provide, otherwise, provide concrete testing procedure), the filtering accuracy of this composite melt blowing filter element material is 6 μm, under pressure reduction is 0.015MPa condition, clear water flow is 1.4 tons/hour, and the saturated extent of adsorption being 200ppm copper ion solution to concentration is 50g.
Embodiment 4
As shown in Figure 2, be preparation method's flow chart of composite melt blowing filter element material, the concrete steps of the preparation method of described composite melt blowing filter element material are:
(1) trade mark that Sinopec Group produces is that the polyester slice of FD501 is added by screw extruder and is hot extruded into as molten state, be filtered after measuring with measuring pump and enter spinneret orifice, after spinneret orifice is extruded, arrive filter core under hot-air drawing-off receive coiler device, then cooling forming is the sandwich layer of composite filter element material.Concrete technology parameter: screw extruder temperature is 310 DEG C, the spinneret orifice hole count of screw extruder 4 is 600, the extrusion capacity 0.5g/min of each die head spinneret orifice; The temperature of drawing-off hot-air is 350 DEG C, and pressure is 0.4MPa; Horizontal range between screw extruder spinneret orifice and filter core receiving system is 220mm; Filter core internal diameter is 28mm, and the rotating speed that filter core receives coiler device 5 is 28rpm, and traversing speed is 240cm/min.This step 1min of continuous service, obtains that thickness is 4mm, length is 1200mm, fibre diameter is 5 μm, porosity is the layer of meltblown fibers of 74%, i.e. the sandwich layer 1 of composite filter element material.
(2) while operating procedure (1), open feather fiber feeding unit, feather fiber is fed in melt-blown thermal air current, agglomerating to filter core together with meltblown fibers receives on coiler device, naturally the composite bed of feather fiber and meltblown fibers is obtained after cooling, i.e. the intermediate layer of composite melt blowing filter element material.Concrete technology parameter is: in pipe, air velocity is 8m/s, and feather fiber feeding speed is 896g/min; Horizontal range between screw extruder spinneret orifice and filter core receiving system is 280mm; It is 28rpm that filter core receives coiler device rotating speed, and traversing speed is 565cm/min.This step 0.85min of continuous service, other technological parameter is identical with the first step, obtain thickness is 40mm, length is 1200mm, the weight percent content of feather fiber is 75%, porosity is 82% feather fiber and meltblown fibers composite bed, i.e. the intermediate layer 2 of composite melt blowing filter element material.
(3) feeding feather fiber is stopped, horizontal range between screw extruder spinneret orifice and filter core receiving system is adjusted to 230mm, the rotating speed that filter core receives coiler device is 28rpm, traversing speed is 92cm/min, proceed melt-blown production 2.6min, obtained thickness is 4mm, length is 1200mm, fibre diameter is 5 μm, porosity is the layer of meltblown fibers of 75%, i.e. the top layer 3 of composite melt blowing filter element material.
As shown in Figure 1, for filling the structural representation of the composite melt blowing filter element material of feather fiber, described is made up of sandwich layer (1), intermediate layer (2) and top layer (3), intermediate layer (2) is placed in the middle, sandwich layer (1) and top layer (3) are compounded in two surfaces in intermediate layer respectively, described sandwich layer (1) is meltblown fibers, the composite bed that intermediate layer (2) is feather fiber and meltblown fibers, top layer (3) are meltblown fibers.The length of gained composite melt blowing filter element material is 1200mm, internal diameter is 28mm, external diameter is 76mm, and the weight percent content of feather fiber is 75%.According to the test of ISO4003 international standard (if method of testing approach well known, title please be provide, otherwise, provide concrete testing procedure), the filtering accuracy of this composite melt blowing filter element material is 6 μm, under pressure reduction is 0.015MPa condition, clear water flow is 1.0 tons/hour, is that the saturated extent of adsorption of the lead ion solution of 200ppm is 26g to concentration.
Embodiment 5
As shown in Figure 2, be preparation method's flow chart of composite melt blowing filter element material, the concrete steps of the preparation method of described composite melt blowing filter element material are:
(1) trade mark that China Shenma Group Co., Ltd. produces is that the nylon 66 resin section of FYR25T03CL to be added by screw extruder and is hot extruded into as molten state, be filtered after measuring with measuring pump and enter spinneret orifice, after spinneret orifice is extruded, arrive filter core under hot-air drawing-off receive coiler device, then cooling forming is the sandwich layer of composite filter element material.Concrete technology parameter: screw extruder temperature is 300 DEG C, the spinneret orifice hole count of screw extruder 4 is 600, the extrusion capacity 0.4g/min of each die head spinneret orifice; The temperature of drawing-off hot-air is 320 DEG C, and pressure is 0.5MPa; Horizontal range between screw extruder spinneret orifice and filter core receiving system is 220mm; Filter core internal diameter is 35mm, and the rotating speed that filter core receives coiler device 5 is 25rpm, and traversing speed is 178cm/min.This step 0.9min of continuous service, obtains that thickness is 4mm, length is 800mm, fibre diameter is 4 μm, porosity is the layer of meltblown fibers of 74%, i.e. the sandwich layer 1 of composite filter element material.
(2) while operating procedure (1), open feather fiber feeding unit, feather fiber is fed in melt-blown thermal air current, agglomerating to filter core together with meltblown fibers receives on coiler device, naturally the composite bed of feather fiber and meltblown fibers is obtained after cooling, i.e. the intermediate layer of composite melt blowing filter element material.Concrete technology parameter is: in pipe, air velocity is 8m/s, and feather fiber feeding speed is 963g/min; Horizontal range between screw extruder spinneret orifice and filter core receiving system is 300mm; It is 25rpm that filter core receives coiler device rotating speed, and traversing speed is 1185cm/min.This step 0.27min of continuous service, other technological parameter is identical with the first step, obtain thickness is 35mm, length is 800mm, the weight percent content of feather fiber is 80%, porosity is 85% feather fiber and meltblown fibers composite bed, i.e. the intermediate layer 2 of composite melt blowing filter element material.
(3) feeding feather fiber is stopped, horizontal range between screw extruder spinneret orifice and filter core receiving system is adjusted to 250mm, the rotating speed that filter core receives coiler device is 25rpm, traversing speed is 88.9cm/min, proceed melt-blown production 1.8min, obtained thickness is 4mm, length is 800mm, fibre diameter is 4 μm, porosity is the layer of meltblown fibers of 75%, i.e. the top layer 3 of composite melt blowing filter element material.
As shown in Figure 1, for filling the structural representation of the composite melt blowing filter element material of feather fiber, described is made up of sandwich layer 1, intermediate layer 2 and top layer 3, intermediate layer 2 is placed in the middle, sandwich layer 1 and top layer 3 are compounded in two surfaces in intermediate layer respectively, described sandwich layer 1 is meltblown fibers, and intermediate layer 2 is the composite bed of feather fiber and meltblown fibers, and top layer 3 is meltblown fibers.The length of gained composite melt blowing filter element material is 800mm, internal diameter is 35mm, external diameter is 78mm, and the weight percent content of feather fiber is 80%.According to the test of ISO4003 international standard (if method of testing approach well known, title please be provide, otherwise, provide concrete testing procedure), the filtering accuracy of this composite melt blowing filter element material is 5 μm, under pressure reduction is 0.015MPa condition, clear water flow is 0.8 ton/hour, is that the saturated extent of adsorption of the copper ion solution of 200ppm is 20g to concentration.
Claims (8)
1. fill the preparation method of the composite melt blowing filter element material of feather fiber for one kind, the composite melt blowing filter element material of described filling feather fiber, by sandwich layer (1), intermediate layer (2) and top layer (3) composition, intermediate layer (2) is placed in the middle, sandwich layer (1) and top layer (3) are compounded in two surfaces in intermediate layer respectively, described sandwich layer (1) is meltblown fibers, the composite bed that intermediate layer (2) is feather fiber and meltblown fibers, top layer (3) is meltblown fibers, it is characterized in that, adopt the preparation facilities of the composite melt blowing filter element material of filling feather fiber, the preparation facilities of the composite melt blowing filter element material of described filling feather fiber, comprise feather fiber feeding unit and traditional device for melt blowing, described traditional device for melt blowing comprises screw extruder (4) and filter core receives coiler device (5), described feather fiber feeding unit comprises pipe (6), air compressor machine and hello cotton weighing machine, the described upper orifice of pipe (6) and the compressed air outlet of air compressor machine export with hello cotton weighing machine and are connected, the lower nozzle of described pipe (6) is located at the position of melt-blown thermal air current (7) top formed between screw extruder (4) and filter core reception coiler device (5), concrete steps are:
The first step: by polyethylene section, polypropylene chip, polyester slice or polyamide section by screw extruder (4) heating and melting, arrive filter core and receive coiler device (5) after spinneret orifice is extruded under hot-air drawing-off, cooling forms sandwich layer (1);
Second step: while operation screw extruder (4) and filter core receive coiler device (5), open feather fiber feeding unit, feather fiber is fed in melt-blown thermal air current, agglomerating to filter core together with meltblown fibers receives on coiler device (5), naturally the composite bed of feather fiber and meltblown fibers is formed after cooling in the outside of sandwich layer (1), i.e. intermediate layer (2);
3rd step: stop feeding feather fiber, proceed melt-blown production, on the formation top layer, outside (3) of intermediate layer (2), obtains the composite melt blowing filter element material of filling feather fiber.
2. the preparation method filling the composite melt blowing filter element material of feather fiber as claimed in claim 1, it is characterized in that, described sandwich layer (1) is cut into slices by polyethylene section, polypropylene chip, polyester slice or polyamide and is formed through the melt-blown meltblown fibers obtained, the thickness of sandwich layer (1) is 3 ~ 6mm, length is 500 ~ 1400mm, the diameter of meltblown fibers is 4 ~ 6 μm, and porosity is 73 ~ 78%.
3. the preparation method filling the composite melt blowing filter element material of feather fiber as claimed in claim 1, it is characterized in that, the composite that described intermediate layer (2) is mixed into feather fiber by polyethylene section, polypropylene chip, polyester slice or polyamide section and is formed in melt blown process is formed, the thickness in intermediate layer (2) is 3 ~ 69mm, length is 500 ~ 1400mm, the content of feather fiber is 60% ~ 80%, and porosity is 78 ~ 85%.
4. the preparation method filling the composite melt blowing filter element material of feather fiber as claimed in claim 1, it is characterized in that, cut into slices by polyethylene section, polypropylene chip, polyester slice or polyamide and form through the melt-blown meltblown fibers obtained in described top layer (3), the thickness on top layer (3) is 3 ~ 6mm, length is 500 ~ 1400mm, fibre diameter is 4 ~ 6 μm, and porosity is 73 ~ 78%.
5. the preparation method filling the composite melt blowing filter element material of feather fiber as claimed in claim 1, it is characterized in that, the length of the composite melt blowing filter element material of described filling feather fiber is 500 ~ 1400mm, and internal diameter is 25mm, 28mm, 30mm or 35mm, and external diameter is 50 ~ 100mm.
6. the preparation method filling the composite melt blowing filter element material of feather fiber as claimed in claim 1, it is characterized in that, the concrete technology parameter of the described first step is: when using polyethylene section, the temperature of screw extruder (4) is 200 ~ 300 DEG C, when using polypropylene chip, the temperature of screw extruder (4) is 220 ~ 320 DEG C, when using polyester fiber, the temperature of screw extruder (4) is 180 ~ 320 DEG C, when using polyamide section, the temperature of screw extruder (4) is 170 ~ 300 DEG C; The spinneret orifice hole count of screw extruder (4) is 600, and the extrusion capacity of each spinneret orifice is 0.3 ~ 0.5g/min; The temperature of drawing-off hot-air is 300 ~ 380 DEG C, and pressure is 0.2 ~ 0.5MPa; Horizontal range between the spinneret orifice of screw extruder (4) and filter core receiving system (5) is 200 ~ 300mm; The rotating speed that filter core receives coiler device is 25 ~ 30rpm, and traversing speed is 24 ~ 1400 cm/min, and the melt-blown time is 0.2 ~ 2min.
7. the preparation method filling the composite melt blowing filter element material of feather fiber as claimed in claim 1, it is characterized in that, the concrete technology parameter of described second step is: the air velocity in pipe (6) is 5 ~ 10m/s, the feeding speed of feather fiber is 0.7 ~ 3414g/min, and the horizontal range between the spinneret orifice of screw extruder (4) and filter core receiving system (5) is 280 ~ 360mm; The rotating speed that filter core receives coiler device (5) is 25 ~ 30 rpm, and traversing speed is 7.8 ~ 14000cm/min, and feather fiber feeding time is 0.04 ~ 11.3min.
8. the preparation method filling the composite melt blowing filter element material of feather fiber as claimed in claim 1, it is characterized in that, the concrete technology parameter of the 3rd described step is: the horizontal range that the spinneret orifice of screw extruder (4) and filter core receive between coiler device (5) is 220 ~ 425mm, the rotating speed that filter core receives coiler device (5) is 25 ~ 30rpm, traversing speed is 9.4 ~ 933cm/min, stops the melt-blown time after feeding feather fiber to be 0.3 ~ 5.3min.
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| CN103088549A (en) * | 2012-12-04 | 2013-05-08 | 江苏六鑫洁净新材料有限公司 | Two-component sound absorption and heat insulation cotton based on polypropylene superfine fibers and polyester staple fibers and preparation method thereof |
| CN103084006B (en) * | 2013-01-22 | 2015-09-23 | 无锡市宏腾塑胶厂 | Melt-blown worry core and preparation technology thereof |
| CN103331894B (en) * | 2013-07-04 | 2015-09-09 | 苏州市职业大学 | Dry-type fiber loose tube extrusion device |
| CN104088085B (en) * | 2014-07-04 | 2017-02-01 | 江苏丽洋新材料股份有限公司 | Preparation method of bionic down warm-keeping material |
| CN113062120B (en) * | 2021-04-09 | 2022-12-06 | 南京信息工程大学 | Sodium alginate modified amphiphilic feather and preparation method and application thereof |
| CN113880153A (en) * | 2021-09-26 | 2022-01-04 | 宁波方太厨具有限公司 | Preparation method of filter element with heavy metal adsorption performance |
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| CN1043259C (en) * | 1993-08-16 | 1999-05-05 | 北京市超纶无纺技术公司 | Producing method and equipment for chemical fibre and down composite wadding |
| CN101385921A (en) * | 2008-08-04 | 2009-03-18 | 东华大学 | No-weaving filter composite material of feather fiber and preparation method thereof |
| CN201586426U (en) * | 2009-11-26 | 2010-09-22 | 苏州工业园区拓朴环保净化有限公司 | Novel melt-blown filter element and production device thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS61213087A (en) * | 1985-03-15 | 1986-09-22 | 川村 文保 | Sheet like structure containing feather and small feather and its production |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1043259C (en) * | 1993-08-16 | 1999-05-05 | 北京市超纶无纺技术公司 | Producing method and equipment for chemical fibre and down composite wadding |
| CN101385921A (en) * | 2008-08-04 | 2009-03-18 | 东华大学 | No-weaving filter composite material of feather fiber and preparation method thereof |
| CN201586426U (en) * | 2009-11-26 | 2010-09-22 | 苏州工业园区拓朴环保净化有限公司 | Novel melt-blown filter element and production device thereof |
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