CN1958945A - Technique and equipment for dry process paper molding through meshwork formed by pulp sheet airflow - Google Patents
Technique and equipment for dry process paper molding through meshwork formed by pulp sheet airflow Download PDFInfo
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- CN1958945A CN1958945A CN 200610117770 CN200610117770A CN1958945A CN 1958945 A CN1958945 A CN 1958945A CN 200610117770 CN200610117770 CN 200610117770 CN 200610117770 A CN200610117770 A CN 200610117770A CN 1958945 A CN1958945 A CN 1958945A
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Abstract
The present invention relates to a pulp air-laying dye paper formation process and its equipment. Said process includes: metering and fluffing process of pulp or/and opening and metering process of two-component fibrids or/and conveying and metering process of special-purpose powder; after all the raw materials required for all the processes can be conveyed into the forming sieve drum of former, all the raw materials are fully dispersed, vacuum pumped and uniformly formed into a fiber sheet paper web on the forming sheet. Its equipment includes fluffing machine of pulp or/and opening machine of two-component fibrids or/and vacuum conveying equipment of special-purpose powder, additive device, air-processing device forming sheet, former and air fan.
Description
Technical field
The present invention relates to field of papermaking, relate in particular to a kind of moulding process and equipment of pulp air-lay process dry method paper.Concretely, just provide a kind of being used for the single Time of Fluff Slurry of discongesting by pulp or/and the bi-component meldable fibre or/and after the specific use powder, laterally evenly disperse along paper web, forms the technology and the equipment of dry method paper web.
Technical background
The moulding of air lay dry method paper is that the fibrous material that at first will be used for moulding is discongested shredding, is single state, through after mixing fully, evenly disperses final vacuum suction moulding by former again.Existing dry method fabrication technique made of paper, as open day was on February 20th, 2002, publication number is the Chinese patent of CN1336460Y, " dust-free paper and water-free paper-making method and special papermaking equipment " disclosed, the document has elaborated a kind of dust-free paper, water-free paper-making method and special papermaking equipment, it selects for use wood pulp to pulverize material and the low melting point composite short fiber material is a main raw material, mix in proportion and on special papermaking equipment-former net forming, make paper product after hot pressing or spray glue are finalized the design.Its former adopts unidirectional blast, and filter screen moulding online constitutes.With the dry method paper that this method is produced, simple in structure, kind is few, particularly can not produce the water uptake core material of high suction multiple and the other products of specific use.
Summary of the invention
Technical problem first aspect to be solved by this invention provides a kind of moulding process that is used to produce the pulp air-lay process dry method paper that multiple structure and material constitutes, to solve the existing existing weak point of pulp air-lay process dry method paper technology.
Technical problem second aspect to be solved by this invention provides a kind of former that is used to produce the pulp air-lay process dry method paper that multiple structure and material constitutes.
Moulding process as a kind of air lay dry method paper of first aspect present invention, be to be transported in the former through metering and the pulp of fully discongesting, the pulp of carrying is in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
A kind of moulding process of air lay dry method paper, be to be transported in the former through the bi-component meldable fibre of complete shredding and metering, the bi-component meldable fibre of carrying is in the screen drum of former, fully broken up by the built-in roller of breaing up, after the vacuum draw equipment suction through being positioned at forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
A kind of moulding process of air lay dry method paper, be to be transported in the former through the bi-component meldable fibre of metering and the pulp of fully discongesting and complete shredding and metering, pulp of carrying and bi-component meldable fibre are in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
A kind of moulding process of air lay dry method paper, be to be transported in the former through metering and the pulp of fully discongesting and the specific use powder of metering, pulp of carrying and specific use powder are in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
A kind of moulding process of air lay dry method paper, be to be transported in the former through metering and the pulp of fully discongesting, the pulp of carrying is in the screen drum of former, built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, to be transported to through the specific use powder of metering simultaneously in the adding set between any two formers, by adding set the specific use powder is added on the fiber web paper web equably, manufacture dry method paper.
A kind of moulding process of air lay dry method paper, be to be transported in the former through the bi-component meldable fibre of complete shredding and metering and the specific use powder of metering, bi-component meldable fibre of carrying and specific use powder are in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
A kind of moulding process of air lay dry method paper, be that bi-component meldable fibre with complete shredding and metering is transported in the former, the bi-component meldable fibre of carrying is in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, to be transported to through the specific use powder of metering simultaneously in the adding set between any two formers, by adding set the specific use powder is added on the fiber web paper web equably, manufacture dry method paper.
A kind of moulding process of air lay dry method paper, be will be through metering and the pulp of fully discongesting and shredding and the bi-component meldable fibre of metering and the specific use powder of metering are transported in the former fully, pulp of carrying and bi-component meldable fibre are in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
A kind of moulding process of air lay dry method paper, be to be transported in the former through the bi-component meldable fibre of metering and the pulp of fully discongesting and complete shredding and metering, pulp of carrying and bi-component meldable fibre are in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, to be transported to through the specific use powder of metering simultaneously in the adding set between any two formers, by adding set the specific use powder is added on the fiber web paper web equably, manufacture dry method paper.
A kind of moulding process of air lay dry method paper, be to be transported in the former through the fibrous material of the similar pulp of complete shredding and metering, the fibrous material of the similar pulp of carrying is in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
A kind of moulding process of air lay dry method paper, be to be transported in the former through the fibrous material of metering and the pulp of fully discongesting and the similar pulp of complete shredding and metering, the pulp of carrying and the fibrous material of similar pulp are in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
A kind of moulding process of air lay dry method paper, be to be transported in the former through the bi-component meldable fibre of complete shredding and metering and the fibrous material of similar pulp, the bi-component meldable fibre of carrying and the fibrous material of similar pulp are in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
A kind of moulding process of air lay dry method paper, be will be through metering and the pulp of fully discongesting and shredding and the bi-component meldable fibre of metering and the fibrous material of similar pulp are transported in the former fully, the pulp of carrying and the fibrous material of bi-component meldable fibre and similar pulp are in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
A kind of moulding process of air lay dry method paper, be to be transported in the former through the fibrous material of the similar pulp of complete shredding and metering and the specific use powder of metering, the fibrous material of the similar pulp of carrying is in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
A kind of moulding process of air lay dry method paper, be to be transported in the former through the fibrous material of the similar pulp of complete shredding and metering, the fibrous material of the similar pulp of carrying is in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, to be transported to through the specific use powder of metering simultaneously in the adding set between any two formers, by adding set the specific use powder is added on the fiber web paper web equably, manufacture dry method paper.
A kind of moulding process of air lay dry method paper, be to be transported in the former with the fibrous material of the similar pulp of complete shredding and metering and the specific use powder of metering through metering and the pulp of fully discongesting, the pulp of carrying and the fibrous material of similar pulp are in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
A kind of moulding process of air lay dry method paper, be to be transported in the former through the fibrous material of metering and the pulp of fully discongesting and the similar pulp of complete shredding and metering, the pulp of carrying and the fibrous material of similar pulp are in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, to be transported to through the specific use powder of metering simultaneously in the adding set between any two formers, by adding set the specific use powder is added on the fiber web paper web equably, manufacture dry method paper.
A kind of moulding process of air lay dry method paper, be to be transported in the former through the bi-component meldable fibre of complete shredding and metering and the fibrous material of similar pulp and the specific use powder of metering, the bi-component meldable fibre of carrying and the fibrous material of similar pulp are in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
A kind of moulding process of air lay dry method paper, be to be transported in the former through the bi-component meldable fibre of complete shredding and metering and the fibrous material of similar pulp, the bi-component meldable fibre of carrying and the fibrous material of similar pulp are in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, to be transported to through the specific use powder of metering simultaneously in the adding set between any two formers, by adding set the specific use powder is added on the fiber web paper web equably, manufacture dry method paper.
A kind of moulding process of air lay dry method paper, be will be through metering and the pulp of fully discongesting and shredding and the bi-component meldable fibre of metering and the fibrous material of similar pulp, the specific use powder of metering are transported in the former fully, pulp of carrying and bi-component meldable fibre are in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
A kind of moulding process of air lay dry method paper, be will be through metering and the pulp of fully discongesting and shredding and the bi-component meldable fibre of metering and the fibrous material of similar pulp are transported in the former fully, pulp of carrying and bi-component meldable fibre are in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, to be transported to through the specific use powder of metering simultaneously in the adding set between any two formers, by adding set the specific use powder is added on the fiber web paper web equably, manufacture dry method paper.
In above-mentioned moulding process, former and pulp are discongested the employed air of process for purifying humidification and temperature control air within the specific limits, and the gas humidity that wherein enters former remains on 40-90%RH.
In above-mentioned moulding process, the pulp that uses is Time of Fluff Slurry.The bi-component meldable fibre that uses is PP/PE or PP/PET bi-component meldable fibre.The powder of the specific use of using is one or more the mixture in SAP polymer water-absorbent, PE powder, the health care medicinal powder.But be not limited to this.
In above-mentioned moulding process, or/and rear side unreels step or/and increase by one in the middle of two formers, this unreels step and adds through preformed other type width of cloth package material, to form the composite molding fiber web of certain property in the former front side.
Former as the air lay dry method paper of second aspect present invention, comprise the forming web that moves, be positioned at the former of forming web top more than at least one, be positioned at more than at least one forming web below and with the corresponding aspiration vacuum case of former, vacuum draw blower fan with aspiration vacuum case phase configuration, the above air processor that is connected with the blast pipe of former by airduct of at least one cover, the fluffer of discongesting pulp that is connected with the former charging aperture by feed pipe and feeding fan more than at least one.
A kind of former of air lay dry method paper, comprise the forming web that moves, be positioned at the former of forming web top more than at least one, be positioned at more than at least one forming web below and with the corresponding aspiration vacuum case of former, vacuum draw blower fan with aspiration vacuum case phase configuration, the above air processor that is connected with the blast pipe of former by airduct of at least one cover, the opener and the measuring equipment of the opening fiber material that is connected with the former charging aperture by feed pipe and feeding fan more than at least one.
A kind of former of air lay dry method paper, comprise the forming web that moves, be positioned at the former of forming web top more than at least one, be positioned at more than at least one forming web below and with the corresponding aspiration vacuum case of former, vacuum draw blower fan with aspiration vacuum case phase configuration, the above air processor that is connected with the blast pipe of former by airduct of at least one cover, the fluffer of discongesting pulp that is connected with the former charging aperture by feed pipe and feeding fan more than at least one, the opener and the measuring equipment of the opening fiber material that is connected with the former charging aperture by feed pipe and feeding fan more than at least one.
A kind of former of air lay dry method paper, comprise the forming web that moves, be positioned at the former of forming web top more than at least one, be positioned at more than at least one forming web below and with the corresponding aspiration vacuum case of former, vacuum draw blower fan with aspiration vacuum case phase configuration, the above air processor that is connected with the blast pipe of former by airduct of at least one cover, by the fluffer of discongesting pulp that feed pipe and feeding fan are connected with the former charging aperture, the powder stock device that is connected with the former charging aperture by the vacuum conveying equipment more than at least one.
A kind of former of air lay dry method paper, comprise the forming web that moves, at least one former that is positioned at the forming web top, be positioned at more than at least one forming web below and with the corresponding aspiration vacuum case of former, vacuum draw blower fan with aspiration vacuum case phase configuration, the above air processor that is connected with the blast pipe of former by airduct of at least one cover, the fluffer of discongesting pulp that is connected with the former charging aperture by feed pipe and feeding fan, at least one the powder metering adding set between two formers, the powder stock device that is connected with the powder adding set by the vacuum conveying equipment more than at least one.
A kind of former of air lay dry method paper, comprise the forming web that moves, be positioned at the former of forming web top more than at least one, be positioned at more than at least one forming web below and with the corresponding aspiration vacuum case of former, vacuum draw blower fan with aspiration vacuum case phase configuration, the above air processor that is connected with the blast pipe of former by airduct of at least one cover, the opener and the measuring equipment of the opening fiber material that is connected with the former charging aperture by feed pipe and feeding fan more than at least one, the powder stock device that is connected with the former charging aperture by the vacuum conveying equipment more than at least one.
A kind of former of air lay dry method paper, comprise the forming web that moves, be positioned at the former of forming web top more than at least one, be positioned at more than at least one forming web below and with the corresponding aspiration vacuum case of former, vacuum draw blower fan with aspiration vacuum case phase configuration, the above air processor that is connected with the blast pipe of former by airduct of at least one cover, the opener and the measuring equipment of the opening fiber material that is connected with the former charging aperture by feed pipe and feeding fan more than at least one, at least one the powder metering adding set between two formers, the powder stock device that is connected with the powder adding set by the vacuum conveying equipment more than at least one.
A kind of former of air lay dry method paper, comprise the forming web that moves, be positioned at the former of forming web top more than at least one, be positioned at more than at least one forming web below and with the corresponding aspiration vacuum case of former, vacuum draw blower fan with aspiration vacuum case phase configuration, the above air processor that is connected with the blast pipe of former by airduct of at least one cover, the fluffer of discongesting pulp that is connected with the former charging aperture by feed pipe and feeding fan more than at least one, the opener and the measuring equipment of the opening fiber material that is connected with the former charging aperture by feed pipe and feeding fan more than at least one, the powder stock device that is connected with the former charging aperture by the vacuum conveying equipment more than at least one.
A kind of former of air lay dry method paper, comprise the forming web that moves, be positioned at the former of forming web top more than at least one, be positioned at more than at least one forming web below and with the corresponding aspiration vacuum case of former, vacuum draw blower fan with aspiration vacuum case phase configuration, the above air processor that is connected with the blast pipe of former by airduct of at least one cover, the fluffer of discongesting pulp that is connected with the former charging aperture by feed pipe and feeding fan more than at least one, the opener and the measuring equipment of the opening fiber material that is connected with the former charging aperture by feed pipe and feeding fan more than at least one, at least one the powder metering adding set between two formers, the powder stock device that is connected with the powder adding set by the vacuum conveying equipment more than at least one.
Above-mentioned former also comprise be arranged on the former front side or/and rear side or/and the unwinding device between two formers, this unwinding device can add on paper web through preformed other type width of cloth package material, forms the composite molding fiber web of certain property.
The former of above-mentioned former comprises the airscoop shroud that is used to send to plant air, at least two moulding screen drums that are installed in the airscoop shroud, at least one is installed in the roller of breaing up in the moulding screen drum, described moulding screen drum and respectively break up roller by separately drive motors driven rotary.
Be provided with air uniform device in described airscoop shroud, this air uniform device is positioned at above the moulding screen drum.
Charging aperture on the described former is the crossflow feed mouth that is positioned at the former both sides.
Be provided with air uniform device in the aspiration vacuum case of the present invention, be provided with the dust treatment facility between its vacuum draw blower fan and the aspiration vacuum case.
Pulp enters special-purpose fluffer through after measuring, and in this equipment, is discongested into single fiber fully; Or/and the bi-component meldable fibre is or/and after the fibrous material of similar pulp opens bag, enter special-purpose opener, by complete shredding is single bi-component meldable fibre or other fiber, after accurate metering, or separately or/and after pulp fibers fully mixes by arbitrary proportion, send into the crossflow feed mouth of former both sides with conveying fan; Enter fibrous material in the moulding screen drum from the crossflow feed mouth,, in the moulding screen drum, evenly disperse self carrying kinetic energy, the rotation of moulding screen drum, breaing up under the effect of roller etc., and the sieve aperture by the moulding screen drum, the moulding settling zone under the moulding screen drum entered.Through the aspiration vacuum case of particular design, between settling zone and forming web, form certain vacuum force.Along the forming web that equipment vertically moves, be installed between settling zone and the vacuum tank, and it is suitable for reading to be attached to the aspiration vacuum case.The fibrous material that is in the settling zone is attracted on the forming web under the effect of vacuum force equably, forms loose fibres net paper web.Along with the air in the loose fibres net paper web is excluded and the moving of forming web, finish the moulding of continuous pulp air-lay process dry method paper web.The vacuum of vacuum draw is to be formed by the blower fan that is connected on the vacuum draw case.Under the effect of vacuum draw, have some fiber fines and enter the vacuum exhausting system, after through necessary dust removal process, fiber fines is collected, and air up to standard is discharged or does other purposes.
In above-mentioned forming process, the specific use powder can be after metering with pulp fibers or/and the bi-component meldable fibre mixes, send into the crossflow feed mouth of former both sides together with conveying fan.The specific use powder also can be pressed product requirement separately, is delivered to the metering adding set between the former, finishes the process of even interpolation.
Compared with prior art, the invention has the advantages that: device structure is simple, and is easy to operate, and the fiber net structure of moulding is various, can be processed to polytype terminal dry method paper product.Dry method paper product structure can be a multilayer, also can be mixed by multiple material, and the grammes per square metre of its dry method finished paper is at 30-2000g/m
2
Description of drawings
Fig. 1 is the former schematic diagram of pulp air-lay process dry method paper of the present invention.
The specific embodiment
Below in conjunction with inventive embodiments, to of the elaboration of the present invention's do through a step.
Moulding process of the present invention can have following examples
Embodiment 1: Time of Fluff Slurry enters special-purpose fluffer through after measuring, and in this equipment, is discongested into single fiber fully; Send into the crossflow feed mouth of former both sides with conveying fan, enter fibrous material in the moulding screen drum from charging aperture, self carrying kinetic energy, the rotation of moulding screen drum, breaing up under the effect of roller etc., in the moulding screen drum, evenly disperse, and the sieve aperture by the moulding screen drum, enter the moulding settling zone under the moulding screen drum.Through the aspiration vacuum case of particular design, between settling zone and forming web, form certain vacuum force.Along the forming web that equipment vertically moves, be installed between settling zone and the vacuum tank, and it is suitable for reading to be attached to the aspiration vacuum case.The fibrous material that is in the settling zone is attracted on the forming web under the effect of vacuum force equably, forms loose fibres net paper web.Along with the air in the loose fibres net paper web is excluded and the moving of forming web, finish the moulding of continuous pulp air-lay process dry method paper web.The vacuum of vacuum draw is to be formed by the blower fan that is connected on the vacuum draw case.Under the effect of vacuum draw, have some fiber fines and enter the vacuum exhausting system, after through necessary dust removal process, fiber fines is collected, and air up to standard is discharged or does other purposes.
Former and pulp are discongested the employed air of process and are by filtration, air wetting, heat, remove the purification humidification and the adjustment air within the specific limits that obtain after the water treatment, and the gas humidity that wherein enters former remains on 40-90%RH.
The fluffer that uses is a kind of form in hammer slice type, saw-blade type, needle teeth type, the card clothing formula.Pulp carried out necessary metering before discongesting; The mode of metering is to adopt the linear velocity of control feed roller to realize, the gap of fluffer internal rotor and stator is adjustable, and the adjustment precision is 0.01mm, and it is 30～600kg/h that separate unit is discongested ability, measure control precision 0.1%～1%, power 7.5kw～250kw;
In order to obtain multi-layered product, the one, the quantity of increase former, the 2nd, or/and rear side unreels step or/and increase by one in the middle of two formers, this unreels step and adds through preformed other type width of cloth package material, to form the composite molding fiber web of certain property in the former front side.
After PP/PE or PP/PET bi-component meldable fibre are opened bag, entering special-purpose shredding equipment, is single bi-component meldable fibre by complete shredding, after accurate metering, sends into the crossflow feed mouth of former both sides with conveying fan; All the other methods are with embodiment 1.
The opener of bi-component meldable fibre can use preliminary shredding blower fan, stirs hold-up tank, breaks up roller, measuring equipment and break up roller is added control accuracy 1%～8%, can use automatic bale opener, opener, Weighing, shredding measuring equipment again, measure control precision 0.2%～1%.
Time of Fluff Slurry enters special-purpose fluffer through after measuring, and in this equipment, is discongested into single fiber fully; After PP/PE or PP/PET bi-component meldable fibre are opened bag, enter special-purpose shredding equipment, by complete shredding is single bi-component meldable fibre, after accurate metering, after fully mixing by arbitrary proportion with fluff pulp fibers, send into the crossflow feed mouth of former both sides with conveying fan, all the other are with embodiment 1.
The fluffer that uses is with embodiment 1, and the opener of the bi-component meldable fibre of use is with embodiment 2.
Time of Fluff Slurry enters special-purpose fluffer through after measuring, and in this equipment, is discongested into single fiber fully; The specific use powder mixes with fluff pulp fibers after metering, sends into the crossflow feed mouth of former both sides with conveying fan, and all the other are with embodiment 1.
The fluffer that uses is with embodiment 1, and the specific use powder uses the vacuum conveying equipment, and particulate material is conveyed into charging line, and its interpolation ability is 5～1500kg/h.
Time of Fluff Slurry enters special-purpose fluffer, in this equipment through after measuring, discongested into single fiber fully, send into the crossflow feed mouth of former both sides with conveying fan, the specific use powder is delivered to metering adding set in the middle of the former by product requirement separately, finishes even interpolation.All the other are with embodiment 1.
The fluffer that uses is with embodiment 1, and the specific use powder uses the vacuum conveying equipment, and particulate material is delivered to the middle metering adding set of former, and its interpolation ability is 5～1500kg/h.
After PP/PE or PP/PET bi-component meldable fibre are opened bag, enter special-purpose shredding equipment, by complete shredding is single bi-component meldable fibre, send into the crossflow feed mouth of former both sides with conveying fan, the specific use powder is delivered to the middle metering adding set of former by product requirement separately, finishes even interpolation.All the other are with embodiment 1.
The opener of the bi-component meldable fibre that uses is with embodiment 2, and the specific use powder uses the vacuum conveying equipment, and particulate material is delivered to the middle metering adding set of former, and its interpolation ability is 5～1500kg/h.
Time of Fluff Slurry enters special-purpose fluffer through after measuring, and in this equipment, is discongested into single fiber fully; After PP/PE or PP/PET bi-component meldable fibre are opened bag, enter special-purpose shredding equipment, by complete shredding is single bi-component meldable fibre, the specific use powder after the metering with after fluff pulp fibers, PP/PE or PP/PET bi-component meldable fibre fully mix by arbitrary proportion, send into the crossflow feed mouth of former both sides with conveying fan, all the other are with embodiment 1.
The fluffer that uses is with embodiment 1, and the opener of the bi-component meldable fibre of use is with embodiment 2.The specific use powder uses the vacuum conveying equipment, and particulate material is conveyed into charging line, and its interpolation ability is 5～1500kg/h.
Time of Fluff Slurry enters special-purpose fluffer through after measuring, and in this equipment, is discongested into single fiber fully; After PP/PE or PP/PET bi-component meldable fibre are opened bag, enter special-purpose shredding equipment, by complete shredding is single bi-component meldable fibre, after accurate metering, after fully mixing by arbitrary proportion with fluff pulp fibers, send into the crossflow feed mouth of former both sides with conveying fan, the specific use powder is delivered to metering adding set in the middle of the former by product requirement separately, finishes even interpolation.All the other are with embodiment 1.
The fluffer that uses is with embodiment 1, and the opener of the bi-component meldable fibre of use is with embodiment 2.The specific use powder uses the vacuum conveying equipment, and particulate material is delivered to the middle metering adding set of former, and its interpolation ability is 5～1500kg/h.
Other fibrous material of the similar pulp of selection among the embodiment 1 to embodiment 9 replaces PP/PE or PP/PET bi-component meldable fibre, after can certainly in addition other fibrous material of similar pulp being opened bag, enter special-purpose shredding equipment, by complete shredding is other fiber of single similar pulp, after accurate metering, send into the crossflow feed mouth of former both sides with conveying fan.
Referring to Fig. 1, the former of air lay dry method paper comprises the forming web 15 that moves, and is positioned at the former 1 of forming web 1 top more than at least one, effective forming width 400～5000mm of former 1, and the forming ability of single former is: 30～800kg/h.
Former 1 comprises the airscoop shroud 1a that is used to send to plant air, and airscoop shroud 1a is provided with blast pipe 9, and the blast pipe 9 of each former 1 is connected by airduct and air processor 16.This air processor 16 comprises air filtration, air wetting, heats, dewaters and conveying equipment, the air that is used for former, filtration by air processor 16, heat or cooling, humidification or processing procedures such as dehumidifying, precipitation, adjust to metastable temperature humidity range, reasonable humidity is 40-90%.Charging aperture on the former 1 is at least more than one the crossflow feed mouth that is positioned at the former both sides.
Two moulding screen drums 2 and air uniform device are installed in the airscoop shroud 1a of former 1 at least, and this air uniform device is positioned at above the moulding screen drum 2.Effective face width of moulding screen drum 2 is 400-5000mm, and the sieve aperture on it is circular hole or slit type hole, and the seam in slit type hole is wide to be 2-4mm, and length is 10-50mm, and the two ends of seam are the rounding of radius 1-2mm, smooth no burr.The material of moulding screen drum 2 is a stainless steel, and wall thickness is that 1-3mm moulding screen drum 2 is straight, and outer surface is bright and clean.
At least be equipped with one and break up roller 3 in moulding screen drum 2, the effective width difference of effectively breaing up width and moulding screen drum of breaing up roller 3 is between 50-600mm.Breaing up roller 3 diameters is 100-400mm, and length remains on 10-100mm, is fixed with the aciculiform spring with press strip on its roll surface.
Below forming web 1, be provided with more than at least one and former 1 corresponding aspiration vacuum case 4, on aspiration vacuum case 4, have pump orifice, in be provided with air uniform device, transmission side one side has suction opeing, on this suction opeing, connect a dust treatment facility, this dust treatment facility is connected for the vacuum draw blower fan 5 of aspiration vacuum case 4 with configuration, this mainly is because under the effect of vacuum draw, have some fiber fines and enter the vacuum exhausting system, after through necessary dust removal process, fiber fines is collected, and air up to standard is discharged or does other purposes.The air quantity of the vacuum draw blower fan 5 that adopts can be regulated.
The fluffer of discongesting pulp 11 that present embodiment uses is at least more than one, and it is connected with former 1 charging aperture by feed pipe and feeding fan.This fluffer 11 can be a kind of form in hammer slice type saw-blade type or the needle teeth type card clothing formula.Fluffer 11 employed air are consistent with the employed air quality of former.Fluffer 11 has a pulp charging aperture at least.
Pulp carried out necessary metering before discongesting; The mode of metering is to adopt the linear velocity of control feed roller to realize, the gap of fluffer 11 internal rotors and stator is adjustable, and the adjustment precision is 0.01mm, and it is 30～600kg/h that separate unit is discongested ability, measure control precision 0.1%～1%, power 7.5kw～250kw.
The former of present embodiment also comprise be arranged on former 1 front side or/and rear side or/and the unwinding device between two formers, this unwinding device can add on paper web through preformed other type width of cloth package material, forms the composite molding fiber web of certain property.
This embodiment replaces fluffer 11 with the opener 14 of the bi-component meldable fibre more than at least one and measuring equipment 13, the opener 14 of bi-component meldable fibre can use preliminary shredding blower fan, stirs hold-up tank, break up roller, measuring equipment 13 and break up roller is added control accuracy 1%～8%, can use automatic bale opener, opener 14, Weighing, shredding measuring equipment again, measure control precision 0.2%～1%.All the other are with embodiment 10.Opener 14 can be used for shredding PP/PE or PP/PET bi-component meldable fibre, also can be used for other fibrous material of the similar pulp of shredding.
This embodiment is opener 14 and the measuring equipment 13 that increases the bi-component meldable fibre more than at least one on the basis of embodiment 10 again, and opener 14 is connected with former 1 charging aperture by feed pipe and feeding fan.The opener 14 of bi-component meldable fibre, can use preliminary shredding blower fan, stir hold-up tank, break up roller, measuring equipment 13 and break up roller, add control accuracy 1%～8%, can use automatic bale opener, opener 14, Weighing, shredding measuring equipment again, measure control precision 0.2%～1%.All the other are with embodiment 10.Opener 14 can be used for shredding PP/PE or PP/PET bi-component meldable fibre, also can be used for other fibrous material of the similar pulp of shredding.
This embodiment increases the powder stock device 10 that is connected with former 1 charging aperture by the vacuum conveying equipment more than at least one on the basis of embodiment 10, this powder stock device 10 is sent into charging line to SAP polymer water-absorbent or PE powder or health care medicinal powder etc.All the other are with embodiment 10.
This embodiment measures the powder stock device 10 that adding set 7 is connected with powder between two formers 1 increasing on the basis of embodiment 10 more than at least one by the vacuum conveying equipment, be provided with metering roll 8 in the powder metering adding set 7, this powder stock device 10 is conveyed into powder metering adding set 7 in the middle of the former to SAP polymer water-absorbent or PE powder or health care medicinal powder etc., and it is 5～1500kg/h that this powder measures adding set 7 interpolation abilities; For the powder that makes the specific uses that powder metering adding set 7 evenly adds drops on the paper web, below forming web 15, be provided with the powder aspiration vacuum case 6 corresponding with powder metering adding set 7, powder aspiration vacuum case 6 also is equipped with vacuum draw blower fan 5.All the other are with embodiment 10.
This embodiment increases the powder stock device 10 that is connected with former 1 charging aperture by the vacuum conveying equipment more than at least one on the basis of embodiment 11, this powder stock device 10 is sent into charging line to SAP polymer water-absorbent or PE powder or health care medicinal powder etc.All the other are with embodiment 11.
This embodiment measures the powder stock device 10 that adding set 7 is connected with powder between two formers 1 increasing on the basis of embodiment 11 more than at least one by the vacuum conveying equipment, be provided with metering roll 8 in the powder metering adding set 7, this powder stock device 10 is conveyed into powder metering adding set 7 in the middle of the former to SAP polymer water-absorbent or PE powder or health care medicinal powder etc., and it is 5～1500kg/h that this powder measures adding set 7 interpolation abilities; For the powder that makes the specific uses that powder metering adding set 7 evenly adds drops on the paper web, below forming web 15, be provided with the powder aspiration vacuum case 6 corresponding with powder metering adding set 7, powder aspiration vacuum case 6 also is equipped with vacuum draw blower fan 5.All the other are with embodiment 11.
Embodiment 17
This embodiment increases the powder stock device 10 that is connected with former 1 charging aperture by the vacuum conveying equipment more than at least one on the basis of embodiment 12, this powder stock device 10 is sent into charging line to SAP polymer water-absorbent or PE powder or health care medicinal powder etc.All the other are with embodiment 12.
Embodiment 18
This embodiment measures the powder stock device 10 that adding set 7 is connected with powder between two formers 1 increasing on the basis of embodiment 12 more than at least one by the vacuum conveying equipment, be provided with metering roll 8 in the powder metering adding set 7, this powder stock device 10 is conveyed into powder metering adding set 7 in the middle of the former to SAP polymer water-absorbent or PE powder or health care medicinal powder etc., and it is 5～1500kg/h that this powder measures adding set 7 interpolation abilities; For the powder that makes the specific uses that powder metering adding set 7 evenly adds drops on the paper web, below forming web 15, be provided with the powder aspiration vacuum case 6 corresponding with powder metering adding set 7, powder aspiration vacuum case 6 also is equipped with vacuum draw blower fan 5.All the other are with embodiment 12.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (46)
1, a kind of moulding process of pulp air-lay process dry method paper, it is characterized in that, be to be transported in the former through metering and the pulp of fully discongesting, the pulp of carrying is in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
2, a kind of moulding process of pulp air-lay process dry method paper, it is characterized in that, be to be transported in the former through the bi-component meldable fibre of complete shredding and metering, the bi-component meldable fibre of carrying is in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
3, a kind of moulding process of pulp air-lay process dry method paper, it is characterized in that, be to be transported in the former through the bi-component meldable fibre of metering and the pulp of fully discongesting and complete shredding and metering, pulp of carrying and bi-component meldable fibre are in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
4, a kind of moulding process of pulp air-lay process dry method paper, it is characterized in that, be to be transported in the former through metering and the pulp of fully discongesting and the specific use powder of metering, pulp of carrying and specific use powder are in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
5, a kind of moulding process of pulp air-lay process dry method paper, it is characterized in that, be to be transported in the former through metering and the pulp of fully discongesting, the pulp of carrying is in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, to be transported to through the specific use powder of metering simultaneously in the adding set between any two formers, by adding set the specific use powder is added on the fiber web paper web equably, manufacture dry method paper.
6, a kind of moulding process of pulp air-lay process dry method paper, it is characterized in that, be to be transported in the former through the bi-component meldable fibre of complete shredding and metering and the specific use powder of metering, bi-component meldable fibre of carrying and specific use powder are in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
7, a kind of moulding process of pulp air-lay process dry method paper, it is characterized in that, be that bi-component meldable fibre with complete shredding and metering is transported in the former, the bi-component meldable fibre of carrying is in the screen drum of former, fully broken up by the built-in roller of breaing up, after the vacuum draw equipment suction through being positioned at forming web, on forming web, form the fiber web paper web equably, to be transported to through the specific use powder of metering simultaneously in the adding set between any two formers, by adding set the specific use powder is added on the fiber web paper web equably, manufacture dry method paper.
8, a kind of moulding process of pulp air-lay process dry method paper, it is characterized in that, be will be through metering and the pulp of fully discongesting and shredding and the bi-component meldable fibre of metering and the specific use powder of metering are transported in the former fully, pulp of carrying and bi-component meldable fibre are in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
9, a kind of moulding process of pulp air-lay process dry method paper, it is characterized in that, be to be transported in the former through the bi-component meldable fibre of metering and the pulp of fully discongesting and complete shredding and metering, pulp of carrying and bi-component meldable fibre are in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, to be transported to through the specific use powder of metering simultaneously in the adding set between any two formers, by adding set the specific use powder is added on the fiber web paper web equably, manufacture dry method paper.
10, a kind of moulding process of pulp air-lay process dry method paper, it is characterized in that, be to be transported in the former through the fibrous material of the similar pulp of complete shredding and metering, the fibrous material of the similar pulp of carrying is in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
11, a kind of moulding process of pulp air-lay process dry method paper, it is characterized in that, be to be transported in the former through the fibrous material of metering and the pulp of fully discongesting and the similar pulp of complete shredding and metering, the pulp of carrying and the fibrous material of similar pulp are in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
12, a kind of moulding process of pulp air-lay process dry method paper, it is characterized in that, be to be transported in the former through the bi-component meldable fibre of complete shredding and metering and the fibrous material of similar pulp, the bi-component meldable fibre of carrying and the fibrous material of similar pulp are in the screen drum of former, fully broken up by the built-in roller of breaing up, after the vacuum draw equipment suction through being positioned at forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
13, a kind of moulding process of pulp air-lay process dry method paper, it is characterized in that, be will be through metering and the pulp of fully discongesting and shredding and the bi-component meldable fibre of metering and the fibrous material of similar pulp are transported in the former fully, the pulp of carrying and the fibrous material of bi-component meldable fibre and similar pulp are in the screen drum of former, fully broken up by the built-in roller of breaing up, after the vacuum draw equipment suction through being positioned at forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
The moulding process of 14 1 kinds of pulp air-lay process dry method paper, it is characterized in that, be to be transported in the former through the fibrous material of the similar pulp of complete shredding and metering and the specific use powder of metering, the fibrous material of the similar pulp of carrying is in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
15, a kind of moulding process of pulp air-lay process dry method paper, it is characterized in that, be to be transported in the former through the fibrous material of the similar pulp of complete shredding and metering, the fibrous material of the similar pulp of carrying is in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, to be transported to through the specific use powder of metering simultaneously in the adding set between any two formers, by adding set the specific use powder is added on the fiber web paper web equably, manufacture dry method paper.
16, a kind of moulding process of pulp air-lay process dry method paper, it is characterized in that, be to be transported in the former with the fibrous material of the similar pulp of complete shredding and metering and the specific use powder of metering through metering and the pulp of fully discongesting, the pulp of carrying and the fibrous material of similar pulp are in the screen drum of former, fully broken up by the built-in roller of breaing up, after the vacuum draw equipment suction through being positioned at forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
17, a kind of moulding process of pulp air-lay process dry method paper, it is characterized in that, be to be transported in the former through the fibrous material of metering and the pulp of fully discongesting and the similar pulp of complete shredding and metering, the pulp of carrying and the fibrous material of similar pulp are in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, to be transported to through the specific use powder of metering simultaneously in the adding set between any two formers, by adding set the specific use powder is added on the fiber web paper web equably, manufacture dry method paper.
18, a kind of moulding process of pulp air-lay process dry method paper, it is characterized in that, be to be transported in the former through the bi-component meldable fibre of complete shredding and metering and the fibrous material of similar pulp and the specific use powder of metering, the bi-component meldable fibre of carrying and the fibrous material of similar pulp are in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
19, a kind of moulding process of pulp air-lay process dry method paper, it is characterized in that, be to be transported in the former through the bi-component meldable fibre of complete shredding and metering and the fibrous material of similar pulp, the bi-component meldable fibre of carrying and the fibrous material of similar pulp are in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, to be transported to through the specific use powder of metering simultaneously in the adding set between any two formers, by adding set the specific use powder is added on the fiber web paper web equably, manufacture dry method paper.
20, a kind of moulding process of pulp air-lay process dry method paper, it is characterized in that, be will be through metering and the pulp of fully discongesting and shredding and the bi-component meldable fibre of metering and the fibrous material of similar pulp, the specific use powder of metering are transported in the former fully, pulp of carrying and bi-component meldable fibre are in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, manufacture dry method paper.
21, a kind of moulding process of pulp air-lay process dry method paper, be will be through metering and the pulp of fully discongesting and shredding and the bi-component meldable fibre of metering and the fibrous material of similar pulp are transported in the former fully, pulp of carrying and bi-component meldable fibre are in the screen drum of former, by built-in break up roller and fully break up after, through being positioned at the vacuum draw equipment suction of forming web, on forming web, form the fiber web paper web equably, to be transported to through the specific use powder of metering simultaneously in the adding set between any two formers, by adding set the specific use powder is added on the fiber web paper web equably, manufacture dry method paper.
22, according to claim 1 or 3 or 4 or 5 or 8 or 9 or 11 or 13 or 16 or 17 or 20 or 21 described moulding process, it is characterized in that, former and pulp are discongested the employed air of process for purifying humidification and temperature control air within the specific limits, and the gas humidity that wherein enters former remains on 40-90%RH.
23, according to claim 1 or 3 or 4 or 5 or 8 or 9 or 11 or 13 or 16 or 17 or 20 or 21 described moulding process, it is characterized in that the pulp that uses is Time of Fluff Slurry.
According to claim 2 or 3 or 6 or 7 or 8 or 9 or 12 or 13 or 18 or 19 or 20 or 21 described moulding process, it is characterized in that 24, the bi-component meldable fibre that uses is PP/PE or PP/PET bi-component meldable fibre.
25, according to claim 4 or 5 or 6 or 7 or 8 or 9 or 14 or 15 or 16 or 17 or 18 or 19 or 20 or 21 described moulding process, it is characterized in that the powder of the specific use of using is one or more the mixture in SAP polymer water-absorbent, PE powder, the health care medicinal powder.
26, according to the described moulding process of each claim of claim 1 to 21, it is characterized in that, in the former front side or/and rear side unreels step or/and increase by one in the middle of two formers, this unreels step and adds through preformed other type width of cloth package material, to form the composite molding fiber web of certain property.
27, a kind of former of pulp air-lay process dry method paper, it is characterized in that, comprise the forming web that moves, be positioned at the former of forming web top more than at least one, be positioned at more than at least one forming web below and with the corresponding aspiration vacuum case of former, vacuum draw blower fan with aspiration vacuum case phase configuration, the above air processor that is connected with the blast pipe of former by airduct of at least one cover, the fluffer of discongesting pulp that is connected with the former charging aperture by feed pipe and feeding fan more than at least one.
28, a kind of former of pulp air-lay process dry method paper, it is characterized in that, comprise the forming web that moves, be positioned at the former of forming web top more than at least one, be positioned at more than at least one forming web below and with the corresponding aspiration vacuum case of former, vacuum draw blower fan with aspiration vacuum case phase configuration, the above air processor that is connected with the blast pipe of former by airduct of at least one cover, the opener and the measuring equipment of the opening fiber material that is connected with the former charging aperture by feed pipe and feeding fan more than at least one.
29, a kind of former of pulp air-lay process dry method paper, it is characterized in that, comprise the forming web that moves, be positioned at the former of forming web top more than at least one, be positioned at more than at least one forming web below and with the corresponding aspiration vacuum case of former, vacuum draw blower fan with aspiration vacuum case phase configuration, the above air processor that is connected with the blast pipe of former by airduct of at least one cover, the fluffer of discongesting pulp that is connected with the former charging aperture by feed pipe and feeding fan more than at least one, the opener and the measuring equipment of the opening fiber material that is connected with the former charging aperture by feed pipe and feeding fan more than at least one.
30, a kind of former of pulp air-lay process dry method paper, it is characterized in that, comprise the forming web that moves, be positioned at the former of forming web top more than at least one, be positioned at more than at least one forming web below and with the corresponding aspiration vacuum case of former, vacuum draw blower fan with aspiration vacuum case phase configuration, the above air processor that is connected with the blast pipe of former by airduct of at least one cover, by the fluffer of discongesting pulp that feed pipe and feeding fan are connected with the former charging aperture, the powder stock device that is connected with the former charging aperture by the vacuum conveying equipment more than at least one.
31, a kind of former of pulp air-lay process dry method paper, it is characterized in that, comprise the forming web that moves, be positioned at the former of forming web top more than at least one, be positioned at more than at least one forming web below and with the corresponding aspiration vacuum case of former, vacuum draw blower fan with aspiration vacuum case phase configuration, the above air processor that is connected with the blast pipe of former by airduct of at least one cover, the fluffer of discongesting pulp that is connected with the former charging aperture by feed pipe and feeding fan, at least one the powder metering adding set between two formers, the powder stock device that is connected with the powder adding set by the vacuum conveying equipment more than at least one.
32, a kind of former of pulp air-lay process dry method paper, it is characterized in that, comprise the forming web that moves, be positioned at the former of forming web top more than at least one, be positioned at more than at least one forming web below and with the corresponding aspiration vacuum case of former, vacuum draw blower fan with aspiration vacuum case phase configuration, the above air processor that is connected with the blast pipe of former by airduct of at least one cover, the opener and the measuring equipment of the opening fiber material that is connected with the former charging aperture by feed pipe and feeding fan more than at least one, the powder stock device that is connected with the former charging aperture by the vacuum conveying equipment more than at least one.
33, a kind of former of pulp air-lay process dry method paper, it is characterized in that, comprise the forming web that moves, be positioned at the former of forming web top more than at least one, be positioned at more than at least one forming web below and with the corresponding aspiration vacuum case of former, vacuum draw blower fan with aspiration vacuum case phase configuration, the above air processor that is connected with the blast pipe of former by airduct of at least one cover, the opener and the measuring equipment of the opening fiber material that is connected with the former charging aperture by feed pipe and feeding fan more than at least one, at least one the powder metering adding set between two formers, the powder stock device that is connected with the powder adding set by the vacuum conveying equipment more than at least one.
34, a kind of former of pulp air-lay process dry method paper, it is characterized in that, comprise the forming web that moves, be positioned at the former of forming web top more than at least one, be positioned at more than at least one forming web below and with the corresponding aspiration vacuum case of former, vacuum draw blower fan with aspiration vacuum case phase configuration, the above air processor that is connected with the blast pipe of former by airduct of at least one cover, the fluffer of discongesting pulp that is connected with the former charging aperture by feed pipe and feeding fan more than at least one, the opener and the measuring equipment of the opening fiber material that is connected with the former charging aperture by feed pipe and feeding fan more than at least one, the powder stock device that is connected with the former charging aperture by the vacuum conveying equipment more than at least one.
35, a kind of former of pulp air-lay process dry method paper, it is characterized in that, comprise the forming web that moves, at least one former that is positioned at the forming web top, be positioned at more than at least one forming web below and with the corresponding aspiration vacuum case of former, vacuum draw blower fan with aspiration vacuum case phase configuration, the above air processor that is connected with the blast pipe of former by airduct of at least one cover, the fluffer of discongesting pulp that is connected with the former charging aperture by feed pipe and feeding fan more than at least one, the opener and the measuring equipment of the opening fiber material that is connected with the former charging aperture by feed pipe and feeding fan more than at least one, at least one the powder metering adding set between two formers, the powder stock device that is connected with the powder adding set by the vacuum conveying equipment more than at least one.
36, according to the described former of each claim of claim 27 to 35, it is characterized in that, described former also comprise be arranged on the former front side or/and rear side or/and the unwinding device between two formers, this unwinding device can add on paper web through preformed other type width of cloth package material, forms the composite molding fiber web of certain property.
37, according to the described former of each claim of claim 27 to 35, it is characterized in that, the former of described former comprises the airscoop shroud that is used to send to plant air, at least two moulding screen drums that are installed in the airscoop shroud, at least one is installed in the roller of breaing up in the moulding screen drum, described moulding screen drum and respectively break up roller by separately drive motors driven rotary.
According to the described former of claim 37, it is characterized in that 38, be provided with air uniform device in described airscoop shroud, this air uniform device is positioned at above the moulding screen drum.
According to the described former of each claim of claim 27 to 35, it is characterized in that 39, the charging aperture on the described former is positioned at the crossflow feed mouth of former both sides at least one.
According to the described former of claim 37, it is characterized in that 40, effective face width of moulding screen drum is 400-5000mm, the effective width difference of effectively breaing up width and moulding screen drum of breaing up roller is between 50-600mm.
According to the described former of claim 37, it is characterized in that 41, the sieve aperture on the described moulding screen drum is circular hole or slit type hole.
According to the described former of claim 41, it is characterized in that 42, the seam in slit type hole is wide to be 2-4mm, length is 10-50mm, and the two ends of seam are the rounding of radius 1-2mm.
According to the described former of claim 37, it is characterized in that 43, the wall thickness of described moulding screen drum is 1-3mm.
According to the described former of claim 37, it is characterized in that 44, the described roller diameter of breaing up is 100-400mm, length remains on 10-100mm, is fixed with the aciculiform spring with press strip on its roll surface.
45, according to the described former of each claim of claim 27 to 35, it is characterized in that, be provided with air uniform device in the described aspiration vacuum case, be provided with the dust treatment facility between its vacuum draw blower fan and the aspiration vacuum case.
46, according to claim 27 or 29 or 30 or 31 or 34 or 35 described formers, it is characterized in that described fluffer has a pulp charging aperture at least, it is a kind of form in hammer slice type, saw-blade type, needle teeth type, the card clothing formula; The gap of fluffer internal rotor and stator is adjustable, and the adjustment precision is 0.01mm, and it is 30～600kg/h that separate unit is discongested ability, measure control precision 0.1%～1%, power 7.5kw～250kw.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610117770 CN1958945A (en) | 2006-10-30 | 2006-10-30 | Technique and equipment for dry process paper molding through meshwork formed by pulp sheet airflow |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200610117770 CN1958945A (en) | 2006-10-30 | 2006-10-30 | Technique and equipment for dry process paper molding through meshwork formed by pulp sheet airflow |
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| CN1958945A true CN1958945A (en) | 2007-05-09 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102551186A (en) * | 2011-12-14 | 2012-07-11 | 广东省金叶烟草薄片技术开发有限公司 | Technique and device for dry formation of low basis weight fluff pulp and capable of eliminating electrostatic flocculation |
| CN105696401A (en) * | 2016-04-11 | 2016-06-22 | 朱玉国 | Dry method papermaking method and system for anhydrous micro-electricity papermaking plant fiber |
| CN106540867A (en) * | 2016-12-09 | 2017-03-29 | 桐乡市骏马植绒布艺有限公司 | A kind of electrostatic flocking apparatus |
| CN109537165A (en) * | 2018-10-18 | 2019-03-29 | 哈尔滨工业大学（威海） | A kind of non-woven turbulent flow networking method and device of ceramic fibre |
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- 2006-10-30 CN CN 200610117770 patent/CN1958945A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102551186A (en) * | 2011-12-14 | 2012-07-11 | 广东省金叶烟草薄片技术开发有限公司 | Technique and device for dry formation of low basis weight fluff pulp and capable of eliminating electrostatic flocculation |
| CN102551186B (en) * | 2011-12-14 | 2014-05-21 | 广东省金叶烟草薄片技术开发有限公司 | Technique and device for dry formation of low basis weight fluff pulp and capable of eliminating electrostatic flocculation |
| CN105696401A (en) * | 2016-04-11 | 2016-06-22 | 朱玉国 | Dry method papermaking method and system for anhydrous micro-electricity papermaking plant fiber |
| CN106540867A (en) * | 2016-12-09 | 2017-03-29 | 桐乡市骏马植绒布艺有限公司 | A kind of electrostatic flocking apparatus |
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