CN102582144A - 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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- CN102582144A CN102582144A CN2012100199622A CN201210019962A CN102582144A CN 102582144 A CN102582144 A CN 102582144A CN 2012100199622 A CN2012100199622 A CN 2012100199622A CN 201210019962 A CN201210019962 A CN 201210019962A CN 102582144 A CN102582144 A CN 102582144A
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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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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 non-woven composite filter element material and preparation facilities and method of filling feather fiber.
Background technology
China is the production and the big trading nation of eider down, feather and goods thereof, eider down, feather aboundresources, and annual production reaches more than 60 ten thousand tons, and oneself accounts for 60% of Gross World Product through the market scale of 30,000,000,000 yuan of formation.At present, the eiderdown quilt except 20% is as the warming packing material, and remaining 80% feather resource only has been utilized 3%～5%, and mainly as inserts, shuttlecock and handicraft, minority is used for extracting protein and makes fertilizer.The research and development to feather and goods thereof both at home and abroad also rest on the rough machined level of raw material, and feather resource overall utilization is not high, mainly are used as discarded object and through burning or the mode of landfill is disposed, cause bigger pollution to ecological environment.
Feather down is the derivative of skins of birds, mainly is divided into eider down and feather.The eider down pinnule is called staple after rhachis or pen feather separation; The feather pinnule is called the plumage silk after rhachis separates.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 can't form pure feather fiber fabric.If with other fiber blend, the loading of feather fiber can not be too high, generally is no more than 60%, otherwise yarn tensile strength is low, and surface hairiness is many, evenness fault.
Many discovering, feather fiber be heavy metal ion and the harmful dyestuff in the adsorbed water well, like peacock green, indigo FCF and phenol etc.Therefore, feather fiber is used for sewage and wastewater treatment, well the harmful substance in the adsorbed water.But the feather fiber discreteness is too big, swims in to become impurity in the water, reclaims difficulty, does not also see large-scale promotion application so far.
Patent CN1570273 discloses a kind of technology of utilizing poultry feather to produce specialties, and it adopts feather fiber is primary raw material, joins with plant fiber pulp by a certain percentage and copies, and can be applied to multi-purpose specialties thereby produce.In this invention, feather fiber just can mix with plant fiber pulp after will adopting high concentration plate mill to process feather fiber slurry, also need bleach after being configured as paper, and complex manufacturing technology, cost is high.
Patent CN101385921 discloses non-woven composite filter material of a kind of feather fiber and preparation method thereof; It is through in feather fiber, sneaking into bicomponent fibre; Method through air lay and pinprick reinforcement is configured as the fleece with certain mechanical property with it then; And then, obtain composite filter material through the reinforcing of hot-air oven hot melt.This filtering material has mechanical property and dimensional stability preferably.But this material forming technological process is longer, and the equipment input is bigger, and this feather nonwoven composite filter material uses inconvenient.
Summary of the invention
The purpose of this invention is to provide a kind of non-woven composite filter element material and preparation facilities and method of filling feather fiber; Described non-woven composite filter element material monolithic good uniformity, surfacing, do not fall hair; And can effectively adsorb the harmful substances such as heavy metal, dyestuff, greasy dirt and organic solvent in the waste water, purify water; Described preparation method need not anticipate feather fiber, and technology is simple.
In order to achieve the above object, the invention provides a kind of compound melt-blown filter material of filling feather fiber, it is characterized in that; Form by sandwich layer, intermediate layer and top layer; The 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 a meltblown fibers; The intermediate layer is the composite bed of feather fiber and meltblown fibers, and the top layer is a meltblown fibers.
Preferably; Described sandwich layer is made up of through melting and spraying the meltblown fibers that obtains polyethylene section, polypropylene chip, polyester slice or polyamide section, and the thickness of sandwich layer is 3～6mm, and length is 500～1400mm; The diameter of meltblown fibers is 4～6 μ m, and porosity is 73～78%.
Preferably; Described intermediate layer is sneaked into feather fiber by polyethylene section, polypropylene chip, polyester slice or polyamide section in melt blown process and the composite that forms constitutes; The thickness in intermediate layer is 3～69mm; Length is 500～1400mm, and the content of feather fiber is 60%～80%, and porosity is 78～85%.
Preferably; Described top layer is made up of through melting and spraying the meltblown fibers that obtains polyethylene section, polypropylene chip, polyester slice or polyamide section, and the thickness on top layer is 3～6mm, and length is 500～1400mm; Fibre diameter is 4～6 μ m, and porosity is 73～78%.
Preferably, the length of the compound melt-blown filter material of described filling feather fiber is 500～1400mm, and internal diameter is 25mm, 28mm, 30mm or 35mm, and external diameter is 50～100mm.
The present invention also provides the preparation facilities of the compound melt-blown filter material of above-mentioned filling feather fiber; Comprise traditional device for melt blowing; Described traditional device for melt blowing comprises that screw extruder and filter core receive coiler device; It is characterized in that, also comprise the feather fiber feeding unit, described feather fiber feeding unit comprises pipe, air compressor machine and feeds cotton weighing machine; The upper orifice of described pipe and the compressed air outlet of air compressor machine are connected with hello cotton weighing machine outlet, and the lower nozzle of described pipe is located at screw extruder and filter core receives the position that melts and sprays the thermal air current top that forms between the coiler device.
The present invention also provides the compound melt-blown filter preparation methods of above-mentioned filling feather fiber, it is characterized in that adopt the preparation facilities of the compound melt-blown filter material of above-mentioned filling feather fiber, concrete steps are:
The first step: polyethylene section, polypropylene chip, polyester slice or polyamide section through the screw extruder heating and melting, are arrived filter core and receive coiler device under the hot-air drawing-off after spinneret orifice is extruded, cooling forms sandwich layer;
Second step: in operation screw extruder and filter core reception coiler device; Open the feather fiber feeding unit; Feather fiber is fed into melts and sprays in the thermal air current; Agglomerate to filter core with meltblown fibers and receive on the coiler device, the cooling back forms the composite bed of feather fiber and meltblown fibers, i.e. intermediate layer in the outside of sandwich layer naturally;
The 3rd step: stop to feed feather fiber, proceed to melt and spray production, form the top layer, obtain filling the compound melt-blown filter material of feather fiber in the outside in intermediate layer.
Preferably, the concrete technological parameter of the described first step is: when using the polyethylene section, the temperature of screw extruder is 200～300 ℃; When using polypropylene chip; The temperature of screw extruder is 220～320 ℃, and when using polyester slice, the temperature of screw extruder is 180～320 ℃; When using the polyamide section, the temperature of screw extruder is 170～300 ℃; 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 ℃, and pressure is 0.2～0.5MPa; Horizontal range between the spinneret orifice of screw extruder and the filter core receiving system is 200～300mm; The rotating speed that filter core receives coiler device is 25～30rpm, and the speed of traversing is 24～1400cm/min, and the time of melting and spraying is 0.2～2min.
Preferably, the concrete technological parameter in described second step is: the air velocity in the 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 the filter core receiving system is 280～360mm; The rotating speed that filter core receives coiler device is 25～30rpm, and the speed of traversing is 7.8～14000cm/min, and the feather fiber feeding time is 0.04～11.3min.
Preferably; The concrete technological parameter in described the 3rd step is: the horizontal range that the spinneret orifice of screw extruder and filter core receive between the coiler device is 220～425mm; The rotating speed that filter core receives coiler device is 25～30rpm; The speed of traversing is 9.4～933cm/min, and the time of melting and spraying that stops to feed behind the feather fiber is 0.3～5.3min.
Feather fiber of the present invention is meant without specially treated, directly separates the 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 bonded together through melt-blown process, form feather nonwoven material, have overcome the shortcoming of the difficult processing of feather fiber, have improved the loading of feather fiber;
(2) adopt the filling feather fiber that melt-blown process makes composite filter element material monolithic good evenness, surfacing, do not fall hair, have good strainability; And be prone to take, easy-to-use, can regularly replace, solved the problem that feather fiber is difficult to use repeatedly;
(3) compare with common chemical fiber filtering material, this compound melt-blown filter materials has the specific function of harmful substances such as metal ions such as adsorbable heavy metal, dyestuff, lead, copper, greasy dirt and organic solvent.
Description of drawings
Fig. 1 is the structural representation of the compound melt-blown filter material of filling feather fiber;
Fig. 2 is compound melt-blown filter preparation methods flow chart;
Fig. 3 is the preparation facilities structural representation of compound melt-blown filter material.
The specific embodiment
Specify the present invention below in conjunction with embodiment.
As shown in Figure 3; Preparation facilities structural representation for compound melt-blown filter material; The preparation facilities of described compound melt-blown filter material comprises traditional device for melt blowing and feather fiber feeding unit; Described traditional device for melt blowing comprises that screw extruder 4 and filter core receive coiler device 5, and described feather fiber feeding unit comprises pipe 6, air compressor machine and ZBG011 type hello cotton weighing machine, and the upper orifice of pipe 6 is fed cotton weighing machine outlet through a horn-like joint and ZBG011 type and is connected; The compressed air outlet of air compressor machine is fed cotton weighing machine outlet with the ZBG011 type and is connected, and the compressed air that air compressor machine produces gets into by feeding cotton weighing machine outlet.The diameter of pipe 6 is 80mm; The lower nozzle of pipe 6 is located at screw extruder 4 and filter core receives the position that melts and sprays thermal air current 7 tops that forms between the coiler device 5; Pipe 6 is 60 ° with the angle on ground; Horizontal range between the spinneret orifice of the lower nozzle of pipe 6 and screw extruder 4 is 100mm, and vertical range is 60mm.The compressed air that air compressor machine provides will pass through feeds cotton weighing machine shredding and quantitatively is fed into the feather fiber of weighing automatically and melts and sprays in the thermal air current.
As shown in Figure 2, be compound melt-blown filter preparation methods flow chart, the concrete steps of described compound melt-blown filter preparation methods are:
(1) trade mark produced of Sinopec Group is that the ldpe resin section of 888-000 adds to be hot extruded into through screw extruder 4 and is molten state; After filter filtration and measuring pump metering, get into spinneret orifice; After spinneret orifice is extruded, under the hot-air drawing-off, arrive filter core and receive coiler device 5, cooling forming is the sandwich layer 1 of composite filter element material then.Concrete technological parameter: screw extruder 4 temperature are 220 ℃, and 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 ℃, and pressure is 0.3MPa; Horizontal range between the spinneret orifice of screw extruder 4 and the filter core receiving system is 200mm; The filter core internal diameter is 25mm, and the rotating speed that filter core receives coiler device 5 is 25rpm, and the speed of traversing is 280cm/min.This step of continuous service 1min, promptly getting thickness is that 3mm, length are that 1400mm, fibre diameter are that 6 μ m, porosity are 73% layer of meltblown fibers, the i.e. sandwich layer 1 of composite filter element material.
(2) in operating procedure (1); Open the feather fiber feeding unit; Feather fiber is fed into melts and sprays in the thermal air current; Agglomerate to filter core with meltblown fibers and receive on the coiler device, obtain the composite bed of feather fiber and meltblown fibers naturally after the cooling, the intermediate layer of promptly compound melt-blown filter material.Concrete technological parameter is: air velocity is 6m/s in the pipe 6, and feather fiber feeding speed is 273g/min; Horizontal range between screw extruder 4 spinneret orifices and the filter core receiving system 5 is 280mm; It is 25rpm that filter core receives coiler device 5 rotating speeds, and the speed of traversing is 560cm/min.This step of continuous service 1.0min; Other technological parameter is identical with the first step; The weight percent content that promptly gets thickness and be 20mm, length and be 1400mm, feather fiber is 60%, porosity is 80% feather fiber and meltblown fibers composite bed, the intermediate layer 2 of promptly compound melt-blown filter material.
(3) stop to feed feather fiber; The spinneret orifice of screw extruder 4 and the horizontal range between the filter core receiving system 5 are adjusted into 230mm; The rotating speed that filter core receives coiler device 5 is 25rpm, and the speed of traversing is 147cm/min, proceeds to melt and spray production 1.9min; Making thickness is that 3mm, length are that 1400mm, fibre diameter are that 6 μ m, porosity are 73% layer of meltblown fibers, the top layer 3 of promptly compound melt-blown filter material.
As shown in Figure 1; Be the structural representation of the compound melt-blown filter material of filling feather fiber, describedly form that intermediate layer 2 is placed in the middle by sandwich layer 1, intermediate layer 2 and top layer 3; Sandwich layer 1 and top layer 3 are compounded in two surfaces in intermediate layer respectively; Described sandwich layer 1 is a meltblown fibers, and intermediate layer 2 is the composite bed of feather fiber and meltblown fibers, and top layer 3 is a meltblown fibers.The length of the compound melt-blown filter material of gained is that 1400mm, internal diameter are that 25mm, external diameter are 51mm, and the weight percent content of feather fiber is 60%.According to ISO4003 international standard test (if the method for testing approach well known please provide title, otherwise, provide concrete testing procedure), the filtering accuracy of this compound melt-blown filter material is 7 μ m.At pressure reduction is that clear water flow is 1.2 tons/hour under the 0.015MPa condition, is that the saturated extent of adsorption of 200ppm lead ion solution is 20g to concentration.
As shown in Figure 2, be compound melt-blown filter preparation methods flow chart, the concrete steps of described compound melt-blown filter preparation methods are:
(1) trade mark produced of Sinopec Group is that the acrylic resin section of S2040 adds to be hot extruded into through screw extruder and is molten state; After filter filtration and measuring pump metering, get into spinneret orifice; After spinneret orifice is extruded, under the hot-air drawing-off, arrive filter core and receive coiler device, cooling forming is the sandwich layer of composite filter element material then.Concrete technological parameter: the screw extruder temperature is 230 ℃, and 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 ℃, and pressure is 0.4MPa; Horizontal range between screw extruder spinneret orifice and the filter core receiving system is 220mm; The filter core internal diameter is 30mm, and the rotating speed that filter core receives coiler device 5 is 30rpm, and the speed of traversing is 200cm/min.This step of continuous service 1min, promptly getting thickness is that 5mm, length are that 1000mm, fibre diameter are that 5 μ m, porosity are 74% layer of meltblown fibers, the i.e. sandwich layer 1 of composite filter element material.
(2) in operating procedure (1); Open the feather fiber feeding unit; Feather fiber is fed into melts and sprays in the thermal air current; Agglomerate to filter core with meltblown fibers and receive on the coiler device, obtain the composite bed of feather fiber and meltblown fibers naturally after the cooling, the intermediate layer of promptly compound melt-blown filter material.Concrete technological parameter is: air velocity is 10m/s in the pipe 6, and feather fiber feeding speed is 545g/min; Horizontal range between screw extruder 4 spinneret orifices and the filter core receiving system 4 is 280mm; It is 30rpm that filter core receives coiler device 5 rotating speeds, and the speed of traversing is 267cm/min.This step of continuous service 1.5min; Other technological parameter is identical with the first step; The weight percent content that promptly gets thickness and be 50mm, length and be 1000mm, feather fiber is 70%, porosity is 80% feather fiber and meltblown fibers composite bed, the intermediate layer 2 of promptly compound melt-blown filter material.
(3) stop to feed feather fiber; Horizontal range between screw extruder spinneret orifice and the filter core receiving system is adjusted into 230mm; The rotating speed that filter core receives coiler device is 30rpm, and the speed of traversing is 76.9cm/min, proceeds to melt and spray production 2.6min; Making thickness is that 5mm, length are that 1000mm, fibre diameter are that 5 μ m, porosity are 75% layer of meltblown fibers, the top layer 3 of promptly compound melt-blown filter material.
As shown in Figure 1; Be the structural representation of the compound melt-blown filter material of filling feather fiber, describedly form that intermediate layer 2 is placed in the middle by sandwich layer 1, intermediate layer 2 and top layer 3; Sandwich layer 1 and top layer 3 are compounded in two surfaces in intermediate layer respectively; Described sandwich layer 1 is a meltblown fibers, and intermediate layer 2 is the composite bed of feather fiber and meltblown fibers, and top layer 3 is a meltblown fibers.The length of the compound melt-blown filter material of gained is that 1000mm, internal diameter are that 30mm, external diameter are 90mm, and the weight percent content of feather fiber is 70%.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 compound melt-blown filter material is 6 μ m; At pressure reduction is that clear water flow is 1.4 tons/hour under the 0.015MPa condition, is that the saturated extent of adsorption of 200ppm copper ion solution is 50g to concentration.
As shown in Figure 2, be compound melt-blown filter preparation methods flow chart, the concrete steps of described compound melt-blown filter preparation methods are:
(1) trade mark produced of Sinopec Group is that the polyester slice of FD501 adds to be hot extruded into through screw extruder and is molten state; After filter filtration and measuring pump metering, get into spinneret orifice; After spinneret orifice is extruded, under the hot-air drawing-off, arrive filter core and receive coiler device, cooling forming is the sandwich layer of composite filter element material then.Concrete technological parameter: the screw extruder temperature is 310 ℃, and 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 ℃, and pressure is 0.4MPa; Horizontal range between screw extruder spinneret orifice and the filter core receiving system is 220mm; The filter core internal diameter is 28mm, and the rotating speed that filter core receives coiler device 5 is 28rpm, and the speed of traversing is 240cm/min.This step of continuous service 1min, promptly getting thickness is that 4mm, length are that 1200mm, fibre diameter are that 5 μ m, porosity are 74% layer of meltblown fibers, the i.e. sandwich layer 1 of composite filter element material.
(2) in operating procedure (1); Open the feather fiber feeding unit; Feather fiber is fed into melts and sprays in the thermal air current; Agglomerate to filter core with meltblown fibers and receive on the coiler device, obtain the composite bed of feather fiber and meltblown fibers naturally after the cooling, the intermediate layer of promptly compound melt-blown filter material.Concrete technological parameter is: air velocity is 8m/s in the pipe, and feather fiber feeding speed is 896g/min; Horizontal range between screw extruder spinneret orifice and the filter core receiving system is 280mm; It is 28rpm that filter core receives the coiler device rotating speed, and the speed of traversing is 565cm/min.This step of continuous service 0.85min; Other technological parameter is identical with the first step; The weight percent content that promptly gets thickness and be 40mm, length and be 1200mm, feather fiber is 75%, porosity is 82% feather fiber and meltblown fibers composite bed, the intermediate layer 2 of promptly compound melt-blown filter material.
(3) stop to feed feather fiber; Horizontal range between screw extruder spinneret orifice and the filter core receiving system is adjusted into 230mm; The rotating speed that filter core receives coiler device is 28rpm, and the speed of traversing is 92cm/min, proceeds to melt and spray production 2.6min; Making thickness is that 4mm, length are that 1200mm, fibre diameter are that 5 μ m, porosity are 75% layer of meltblown fibers, the top layer 3 of promptly compound melt-blown filter material.
As shown in Figure 1; Be the structural representation of the compound melt-blown filter material of filling feather fiber, describedly form by sandwich layer (1), intermediate layer (2) and top layer (3), intermediate layer (2) between two parties; Sandwich layer (1) and top layer (3) are compounded in two surfaces in intermediate layer respectively; Described sandwich layer (1) is a meltblown fibers, and intermediate layer (2) are the composite bed of feather fiber and meltblown fibers, and top layer (3) are meltblown fibers.The length of the compound melt-blown filter material of gained is that 1200mm, internal diameter are that 28mm, external diameter are 76mm, and the weight percent content of feather fiber is 75%.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 compound melt-blown filter material is 6 μ m; At pressure reduction is that clear water flow is 1.0 tons/hour under the 0.015MPa condition, is that the saturated extent of adsorption of the lead ion solution of 200ppm is 26g to concentration.
As shown in Figure 2, be compound melt-blown filter preparation methods flow chart, the concrete steps of described compound melt-blown filter preparation methods are:
(1) trade mark produced of China Shenma Group Co., Ltd. is that the nylon 66 resin section of FYR25T03CL adds to be hot extruded into through screw extruder and is molten state; After filter filtration and measuring pump metering, get into spinneret orifice; After spinneret orifice is extruded, under the hot-air drawing-off, arrive filter core and receive coiler device, cooling forming is the sandwich layer of composite filter element material then.Concrete technological parameter: the screw extruder temperature is 300 ℃, and 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 ℃, and pressure is 0.5MPa; Horizontal range between screw extruder spinneret orifice and the filter core receiving system is 220mm; The filter core internal diameter is 35mm, and the rotating speed that filter core receives coiler device 5 is 25rpm, and the speed of traversing is 178cm/min.This step of continuous service 0.9min, promptly getting thickness is that 4mm, length are that 800mm, fibre diameter are that 4 μ m, porosity are 74% layer of meltblown fibers, the i.e. sandwich layer 1 of composite filter element material.
(2) in operating procedure (1); Open the feather fiber feeding unit; Feather fiber is fed into melts and sprays in the thermal air current; Agglomerate to filter core with meltblown fibers and receive on the coiler device, obtain the composite bed of feather fiber and meltblown fibers naturally after the cooling, the intermediate layer of promptly compound melt-blown filter material.Concrete technological parameter is: air velocity is 8m/s in the pipe, and feather fiber feeding speed is 963g/min; Horizontal range between screw extruder spinneret orifice and the filter core receiving system is 300mm; It is 25rpm that filter core receives the coiler device rotating speed, and the speed of traversing is 1185cm/min.This step of continuous service 0.27min; Other technological parameter is identical with the first step; The weight percent content that promptly gets thickness and be 35mm, length and be 800mm, feather fiber is 80%, porosity is 85% feather fiber and meltblown fibers composite bed, the intermediate layer 2 of promptly compound melt-blown filter material.
(3) stop to feed feather fiber; Horizontal range between screw extruder spinneret orifice and the filter core receiving system is adjusted into 250mm; The rotating speed that filter core receives coiler device is 25rpm, and the speed of traversing is 88.9cm/min, proceeds to melt and spray production 1.8min; Making thickness is that 4mm, length are that 800mm, fibre diameter are that 4 μ m, porosity are 75% layer of meltblown fibers, the top layer 3 of promptly compound melt-blown filter material.
As shown in Figure 1; Be the structural representation of the compound melt-blown filter material of filling feather fiber, describedly form that intermediate layer 2 is placed in the middle by sandwich layer 1, intermediate layer 2 and top layer 3; Sandwich layer 1 and top layer 3 are compounded in two surfaces in intermediate layer respectively; Described sandwich layer 1 is a meltblown fibers, and intermediate layer 2 is the composite bed of feather fiber and meltblown fibers, and top layer 3 is a meltblown fibers.The length of the compound melt-blown filter material of gained is that 800mm, internal diameter are that 35mm, external diameter are 78mm, and the weight percent content of feather fiber is 80%.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 compound melt-blown filter material is 5 μ m; At pressure reduction is that clear water flow is 0.8 ton/hour under the 0.015MPa condition, and the saturated extent of adsorption that to concentration is the copper ion solution of 200ppm is 20g.
Claims (10)
1. compound melt-blown filter material of filling feather fiber; It is characterized in that, form that intermediate layer (2) are placed in the middle by sandwich layer (1), intermediate layer (2) and top layer (3); Sandwich layer (1) and top layer (3) are compounded in two surfaces in intermediate layer respectively; Described sandwich layer (1) is a meltblown fibers, and intermediate layer (2) are the composite bed of feather fiber and meltblown fibers, and top layer (3) are meltblown fibers.
2. the compound melt-blown filter material of filling feather fiber as claimed in claim 1; It is characterized in that; Described sandwich layer (1) is made up of through melting and spraying the meltblown fibers that obtains polyethylene section, polypropylene chip, polyester slice or polyamide section, and the thickness of sandwich layer (1) is 3～6mm, and length is 500～1400mm; The diameter of meltblown fibers is 4～6 μ m, and porosity is 73～78%.
3. the compound melt-blown filter material of filling feather fiber as claimed in claim 1; It is characterized in that; Described intermediate layer (2) is sneaked into feather fiber by polyethylene section, polypropylene chip, polyester slice or polyamide section in melt blown process and the composite that forms constitutes, and the thickness of intermediate layer (2) is 3～69mm, and length is 500～1400mm; The content of feather fiber is 60%～80%, and porosity is 78～85%.
4. the compound melt-blown filter material of filling feather fiber as claimed in claim 1; It is characterized in that; Described top layer (3) is made up of through melting and spraying the meltblown fibers that obtains polyethylene section, polypropylene chip, polyester slice or polyamide section, and the thickness of top layer (3) is 3～6mm, and length is 500～1400mm; Fibre diameter is 4～6 μ m, and porosity is 73～78%.
5. the compound melt-blown filter material of filling feather fiber as claimed in claim 1; It is characterized in that; The length of the compound melt-blown filter 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 facilities of the compound melt-blown filter material of the described filling feather fiber of claim 1; Comprise traditional device for melt blowing; Described traditional device for melt blowing comprises that screw extruder (4) and filter core receive coiler device (5); It is characterized in that, also comprise the feather fiber feeding unit, described feather fiber feeding unit comprises pipe (6), air compressor machine and feeds cotton weighing machine; The upper orifice of described pipe (6) and the compressed air outlet of air compressor machine are connected with hello cotton weighing machine outlet, and the lower nozzle of described pipe (6) is located at screw extruder (4) and filter core receives the position that melts and sprays thermal air current (7) top that forms between the coiler device (5).
7. the compound melt-blown filter preparation methods of the described filling feather fiber of claim 1 is characterized in that, adopts the preparation facilities of the compound melt-blown filter material of the described filling feather fiber of claim 6, and concrete steps are:
The first step: polyethylene section, polypropylene chip, polyester slice or polyamide section through screw extruder (4) heating and melting, are arrived filter core and receive coiler device (5) under the hot-air drawing-off after spinneret orifice is extruded, cooling forms sandwich layer (1);
Second step: in operation screw extruder (4) and filter core reception coiler device (5); Open the feather fiber feeding unit; Feather fiber is fed into melts and sprays in the thermal air current; Agglomerate to filter core with meltblown fibers and receive on the coiler device (5), the cooling back forms the composite bed of feather fiber and meltblown fibers, i.e. intermediate layer (2) in the outside of sandwich layer (1) naturally;
The 3rd step: stop to feed feather fiber, proceed to melt and spray production, the outside of (2) forms top layer (3) in the intermediate layer, obtains filling the compound melt-blown filter material of feather fiber.
8. the compound melt-blown filter preparation methods of filling feather fiber as claimed in claim 7; It is characterized in that the concrete technological parameter of the described first step is: when using the polyethylene section, the temperature of screw extruder (4) is 200～300 ℃; When using polypropylene chip; The temperature of screw extruder (4) is 220～320 ℃, and when using polyester fiber, the temperature of screw extruder (4) is 180～320 ℃; When using the polyamide section, the temperature of screw extruder (4) is 170～300 ℃; 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 ℃, and pressure is 0.2～0.5MPa; Horizontal range between the spinneret orifice of screw extruder (4) and the filter core receiving system (5) is 200～300mm; The rotating speed that filter core receives coiler device is 25～30rpm, and the speed of traversing is 24～1400cm/min, and the time of melting and spraying is 0.2～2min.
9. the compound melt-blown filter preparation methods of filling feather fiber as claimed in claim 7; It is characterized in that; The concrete technological parameter in described second step is: the air velocity in the 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 the filter core receiving system (5) is 280～360mm; The rotating speed that filter core receives coiler device (5) is 25～30rpm, and the speed of traversing is～cm/min that the feather fiber feeding time is 0.04～11.3min.
10. the compound melt-blown filter preparation methods of filling feather fiber as claimed in claim 7; It is characterized in that; The concrete technological parameter in described the 3rd step is: the horizontal range that the spinneret orifice of screw extruder (4) and filter core receive between the coiler device (5) is 220～425mm; The rotating speed that filter core receives coiler device (5) is 25～30rpm, and the speed of traversing is 9.4～933cm/min, and the time of melting and spraying that stops to feed behind the feather fiber is 0.3～5.3min.
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| CN201210019962.2A CN102582144B (en) | 2012-01-20 | 2012-01-20 | Composite melt-blown filter core material filled with feather fiber, and preparation device and method thereof |
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| CN201210019962.2A CN102582144B (en) | 2012-01-20 | 2012-01-20 | Composite melt-blown filter core material filled with feather fiber, and preparation device and method thereof |
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| CN103084006A (en) * | 2013-01-22 | 2013-05-08 | 无锡市宏腾塑胶厂 | Melt-blow filtering core and preparation process thereof |
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| CN103331894A (en) * | 2013-07-04 | 2013-10-02 | 苏州市职业大学 | Dry-type fiber loose tube extrusion device |
| CN104088085A (en) * | 2014-07-04 | 2014-10-08 | 南通丽洋新材料开发有限公司 | Bionic down warm-keeping material and preparation method thereof |
| CN113062120A (en) * | 2021-04-09 | 2021-07-02 | 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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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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| CN104088085A (en) * | 2014-07-04 | 2014-10-08 | 南通丽洋新材料开发有限公司 | Bionic down warm-keeping material and preparation method thereof |
| 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 |
| CN113062120A (en) * | 2021-04-09 | 2021-07-02 | 南京信息工程大学 | Sodium alginate modified amphiphilic feather and preparation method and application thereof |
| 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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