CN107190572A - It is a kind of to improve engine energy consumption and the oil filter of discharge - Google Patents
It is a kind of to improve engine energy consumption and the oil filter of discharge Download PDFInfo
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- CN107190572A CN107190572A CN201710344154.6A CN201710344154A CN107190572A CN 107190572 A CN107190572 A CN 107190572A CN 201710344154 A CN201710344154 A CN 201710344154A CN 107190572 A CN107190572 A CN 107190572A
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/08—Filter paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
- D21H15/02—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration
- D21H15/10—Composite fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/675—Oxides, hydroxides or carbonates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/22—Agents rendering paper porous, absorbent or bulky
- D21H21/24—Surfactants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/03—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- Artificial Filaments (AREA)
Abstract
The present invention relates to cleaner technical field, it is specifically related to a kind of to improve engine energy consumption and the oil filter of discharge, in the filter body far-infrared ceramic filter core and infrared filter paper are sequentially provided with by machine oil flow direction, the porosity of the far-infrared ceramic filter core is 80% 90%, hole density is 30 50ppi, and the infrared filter paper is made up of raw materials such as plant fiber pulp, infrared functional powders.The present invention activates machine oil by the infrared-ray activation of far-infrared ceramic filter core and infrared filter paper, improves engine oil flow, engine scuffing speed is reduced, so that the energy consumption of engine is reduced, with huge application prospect.The oil filter of the present invention can substitute conventional engine oil grid.
Description
Technical field
The present invention relates to cleaner technical field, and in particular to a kind of improvement engine energy consumption and the oil filter of discharge.
Background technology
Carbon distribution and gelatinous precipitate, water being oxidized in engine working process, under metal filings, dust, high temperature etc. is no
It is disconnected to be mixed into lubricating oil.The effect of oil filter is exactly to filter these mechanical admixtures and colloid, protects oily cleaning to be lubricated, extension
Its useful life.
The basic only filter paper of current oil filter filtration, but oil filter must as one of automobile
Standby parts, can play a part of that impurity screening should not be terminated in, therefore inventor seeks a kind of mode, has oil filter concurrently
To the improvement result of machine oil performance.And there is far-infrared transmitting function, pyroelectric effect or piezoelectricity by increasing some in cleaner
The mineral matter of effect, in the case where there is temperature and pressure change, the polar ion of these mineral vibrates and drawn in equilbrium position
The electromagnetic radiation that dipole moment change produces far infrared band is played, accelerates the motion of machine oil molecule, machine oil macromolecular is activated into machine
Oily small molecule, so that the penetration of machine oil, extension, dissolving power strengthen, contributes to machine oil formation oil film and takes away metal debris.
Number of patent application discloses a kind of automobile filter filter paper coating material for 201410020564.1 patent of invention,
It is made by the component of following parts by weight：1~6 part of far-infared ceramic powder, 2~20 parts of sepiolite nanofiber, 4~10 parts
Synthetic fibers, 0.8~2 part of silane coupler, 0.8~2 part of diluent, 9~20 parts of sizing agent, 20~40 parts of phenylpropyl alcohol
Emulsion, 60~96 parts of wood pulp composition.By the way that the coating material is coated on the filter paper of oil filter, machine oil can be lifted
Performance.But either the technology there is infrared ceramic powder and filter paper binding strength is too low, or coating excessively densification causes to block
The problem of stomata, and speed of the machine oil through filter paper, distance are shorter, and infrared activated effect is relatively low.
Number of patent application for 03127020.4 patent of invention disclose a kind of I. C. engine oil filter core material and
Filter core, belongs to technical field of engines.It is on the basis of existing oil filter other structures are not changed, to use activated carbon fiber
Mixed with protein fibre and do filter core, instead of conventional papery or felt filter core.The use of the positive effect of the present invention is to make
The machine oil negatively electronization of filter core is flowed through, that is, takes negatron load.But not only cost is too high for the technology, it is impossible to meet oil strainer
The filtration needs of clear device, and because or filter paper carriers are infrared activated effect is low.
The content of the invention
The purpose of the present invention be for it is of the prior art it is above-mentioned it is not enough there is provided a kind of infrared activated performance is strong, filter paper not
Hold the susceptible to plugging oil filter for improving engine energy consumption and discharging.
The purpose of the present invention is achieved through the following technical solutions：
A kind of improve in engine energy consumption and the oil filter of discharge, including filter body, the filter body presses machine
Oil flow direction is sequentially provided with far-infrared ceramic filter core and infrared filter paper, and the porosity of the far-infrared ceramic filter core is 80%-90%, hole
Density is 30-50ppi, and thickness is 1-10cm, and the infrared filter paper is made up of the raw material of following parts by weight：
100-120 parts of plant fiber pulp
5-10 parts of microcrystalline cellulose
5-8 parts of polyacrylamide
It is infrared functional powders 10-30 parts
5-20 parts of bentonite
3-7 parts of reinforcer
1-5 parts of surfactant；
The preparation method of the infrared functional powders comprises the following steps：
（1）The infrared ore of nanometer is added in polymer spinning solution, and carries out ultrasonic disperse, spinning solution is obtained；
（2）Spinning solution is subjected to electrostatic spinning, nanofiber is obtained；
（3）The nanofiber is pre-oxidized, the carbonization that heats up is subsequently placed in atmosphere of inert gases, the infrared work(is made
Can powder；
Wherein, the infrared ore of the nanometer is in nano-tourmaline powder, nanometer stone needle powder, nano medical stone powder, Ge stone flour
At least one；
Wherein, the reinforcer includes 1-2 parts by weight magnet powders.
Tourmaline, stone needle, medical stone and germanite are belonged to the ore for launching infrared function and pyroelectric effect, for machine
Oil rectifier, infrared ray can activate machine oil, occur to resonate with machine oil micel and make its granular, so as to reduce machine oil molecule
Between Fan Huadeli, strengthen the penetration of machine oil, extension, dissolving power, contribute to machine oil formation oil film and take away metal to give up
Bits, reduce the rate of wear of engine pack, improve the operating rate of engine, reduce energy consumption and the discharge of engine.
But the infrared ore specific surface area of micron level is small, the contacting efficiency with machine oil is effective, and particle diameter is big, substantially
It can only be coated on filter paper, but this will result in infrared ore skewness, blocks the easily disengaging of filter paper stomata, infrared ore simultaneously
And scrape the problems such as destroying oil pipe.The crucial point of creating of the present invention is：（1）The infrared ore of nanometer is mixed into filter paper material,
Binding strength is higher, and the infrared ore of nanometer peels off difficulty height, and does not interfere with the pore size of filter paper substantially, also add
The bursting strength of filter paper；（2）The infrared ore of the great nanometer of specific surface area is embedded in porous carbon using electrostatic spinning and carbonization technology
Nanofiber（It is porous carbon nanofiber after polymer spinning carbonization）In, 100nm-300nm infrared functional powders are made,
Avoid the agglomeration of the infrared ore of nanometer；（3）The relatively infrared ore active site of porous carbon nanofiber is more, it is easier to point
It is dispersed in plant fiber pulp, improves uniform property of the infrared ore of nanometer in filter paper, adds the infrared ore of nanometer and machine oil
Contacting efficiency；（4）The infrared ore of nanometer can also activate the hydrone in plant fiber pulp, and increase string and porous carbon are received
The activity hydroxy number of the grafting of rice fiber, so as to increase compatibility of the infrared mineral dust in plant fiber pulp and scattered
Property；（5）It is located at certain thickness far-infrared ceramic filter core before infrared filter paper, can plays a part of intercepting partial impurities,
And contacted by the long-time with machine oil, substantial amounts of machine oil macromolecular can be activated into machine oil subset, small point of machine oil
Son group is again by the higher infrared filter paper of infrared efficiency, you can realizes the further granular of machine oil subset, significantly carries
Rise the activation efficiency of infrared filter paper；（7）Reinforcer can strengthen the mechanical performance of filter paper, and add magnet powder and can have
Imitate filtering metal scrap；（8）Microcrystalline cellulose is that native cellulose can oneself through dilute acid hydrolysis to levelling off degree of polymerization (LOOP)
By the imperceptible corynebacterium or powdery porous shape particle flowed, it is usually used in pharmaceuticals field, the present invention is creatively planting
Microcrystalline cellulose is added in fibres slurry, microcrystalline cellulose can form the dispersion of stable and uniform in slurries, using micro-
The characteristic of crystalline cellulose polyhydroxy, can strengthen the effect of the Gemini surface active agent of the present invention, improve infrared functional powders and exist
Degree of scatter in slurries, after the drying, the porous characteristic of microcrystalline cellulose can improve interception rate of the filter paper to impurity, 20 μm
Impurity interception rate above is up to 99%, while microcrystalline cellulose is also used as binding agent, lifts infrared functional powders and plant
The connection fastness of fiber reinforcement.
Wherein, the reinforcer is by magnet powder, brown alundum powder, nano titanium oxide by weight 1:1:1 ratio group
Into.Brown alundum powder good mechanical performance, can significantly lift the bursting strength of infrared filter paper, and nano titanium oxide is removed to have and increased
Use is pretended, is also acted on brightening agent, but is easy to reunite.The present invention is closed by magnet powder, brown alundum powder, nano titanium oxide
The control of reason ratio, the infrared filter paper tensile strength of compounding enhancing, bursting strength, but also have the function of brightening, filter iron concurrently.
Wherein, the particle diameter of the infrared ore of the nanometer is 10-100nm.Particle diameter is smaller, and for theory, surface can be bigger,
" excitation state " that the external energy of particle absorption transits to higher energy level from " ground state " of lowest energy level upwards is more beneficial for, still
Particle diameter is too small, easily causes serious agglomeration, and certain degree, the infrared emittance of the infrared ore of nanometer are arrived when particle diameter is small
It can not be greatly improved, therefore, considering radiance, agglomeration, surface energy, the particle diameter of the infrared ore of nanometer is preferably
10-100nm, wherein, nano-tourmaline powder is preferably 53-62nm, and nanometer stone needle powder is preferably 67-85nm, nano medical stone powder
Preferably 75-87nm.
Wherein, the infrared ore of the nanometer by nano-tourmaline powder, nanometer stone needle powder and nano medical stone powder by weight
14-16：4-6：3-7 ratio composition.
Nano-tourmaline powder is the powder obtained by mechanical crushing tourmaline raw ore after going the removal of impurity, is had
Higher anion yield and far infrared transmissivity, also with excellent piezo-electric effect, with respect to nanometer stone needle powder and nanometer wheat
Meal stone flour, infrared radiation efficiency is higher.Nanometer stone needle powder, is to use stone needle（Scientific name：Sibin floating stone）It is peculiar red with stone needle for raw material
External effect, and contained calcium oxide, silica, the sodium oxide molybdena beneficial to human body more than 30 kinds etc., Trace Aluminium, iron, magnesium, phosphorus
Deng and rare earth element chromium, manganese, nickel, copper, yttrium etc., the powdered substance extracted through nanometer technology, with the remote of 14.5-16.5
The physical characteristics such as infra-red radiation, class nano microcrystalline.Nano medical stone powder is, by screening, to crush, classification adds by medical stone raw ore
The powder of work, medical stone cost is relatively low., can be preliminary for far-infrared ceramic filter core by the compounding of three's proper ratio
While the machine oil of activation is had compared with overactivity efficiency, cost is effectively controlled, and the infrared ore of nanometer of the ratio is constituted more
Suitable for semi-synthetic machine oil.
Wherein, the polymer spinning solution is dissolved in solvent by polymer and is made, and polymerize in the polymer spinning solution
The mass percent concentration of thing be 15%-35%, the polymer be at least one of polyacrylonitrile and HPAM Degraded Bacteria,
The solvent is at least one of N,N-dimethylformamide, DMAC N,N' dimethyl acetamide and tetrahydrofuran.The step（2）
In, the mass ratio of the infrared ore of nanometer and polymer spinning solution is 1：8-10.
Wherein, the polymer is by polyacrylonitrile, poly-（Acrylonitrile-pyrroles）With it is poly-（Acrylonitrile itaconic acid ammonium）By mole
Compare 15-25:40-60:25-35 ratio composition, the solvent is DMF.
It is poly-（Acrylonitrile-pyrroles）The complex reactions, molecular chain structure such as cyclisation, oxidation and dehydrogenation occur in preoxidation process
It is changed, generates the conjugation polypyrrole of conductive energy, the electric conductivity of polymer is enhanced, so that it is infrared to strengthen nanometer
The pyroelectric effect and negative ion effect of ore；But it is due to that preoxidation process is violent structure transformation period, easily produces and lack
Fall into, and follow-up charing can not correct pre-oxidation and stabilize the defect brought, and can step by step amplify on the contrary, cause the infrared ore deposit of nanometer
Stone is easily separated from carbon nano-fiber, and gathers（Acrylonitrile itaconic acid ammonium）In comonomer itaconic acid ammonium significantly reduce it is poly-
Acrylonitrile widens exothermic peak in the exothermic peak initial temperature and thermal discharge of preoxidation process, helps to control preoxidation process,
The formation of defect is reduced, so as to increase the binding strength of the infrared ore of nanometer and porous carbon nanofiber.It is further preferable that described
Polymer is by polyacrylonitrile, poly-（Acrylonitrile-pyrroles）, it is poly-（Acrylonitrile itaconic acid ammonium）In molar ratio 20:50:30 ratio group
Into.
Wherein, the step（2）In, the spinning voltage of electrostatic spinning is 15-35kV, and spinning temperature is 20-30 DEG C.
Wherein, the step（3）In, Pre oxidation is 200-300 DEG C, and preoxidation time is 2.5-3.5h；Carbonization temperature
Spend for 1000-1200 DEG C, carbonization time is 1-3h.
Wherein, the plant fiber pulp breaks into slurry by string and is made, and the solid content of the plant fiber pulp is
50wt%-60wt%, the string is at least one of bamboo fibre, dragon grass fiber, needle pine cellulosic.
Wherein, the string is by bamboo fibre, dragon grass fiber, needle pine cellulosic by weight 2:2:1 ratio
Composition.
Bamboo fibre is the cellulose extracted from the bamboo of growth naturally, scanned electron microscope observation, bamboo fibril
There is horizontal section dimension longitudinal direction, and thickness distribution is very uneven, and fiber surface has countless fine grooves.It is laterally irregular ellipse, waist
Circle etc., inside has and has been covered with big and small space on lumen, cross section, and there is crackle at edge, as infrared absorption filter paper matrix it
One can strengthen filtering accuracy；Chinese alpine rush fibre section is into irregular cycle, and there are fine irregularities on surface, without torsion, fiber width
Only several microns, but with very strong break resistance, bursting strength can be strengthened as one of infrared absorption filter paper matrix, while base
This is on filtering accuracy without influence；Needle pine cellulosic has excellent cross-linked structure, can cooperate with Chinese alpine rush fiber reinforcement filter paper
Frame strength, and cost can be reduced.The composite fibre slurry of the present invention is good with infrared functional powders compatibility, and compounding being capable of shape
Into stable network structure, air permeability, deflection and the bursting strength of filter paper are effectively improved, and lift infrared functional powders in filter paper
Binding strength, lifted cleaner service life.
Wherein, the surfactant is by with structural formula（Ⅰ）Alkylbenzenesulfonate Gemini surface active agent and with knot
Structure formula（Ⅱ）Quaternary ammonium type Gemini surface active agent composition：
Structural formula（Ⅰ）
Structural formula（Ⅱ）.
The surfactant of the present invention is respectively containing single phenyl ring and the Gemini surface active agent of pair benzene ring structures, benzene ring structure
Contribute to the infrared ore of nanometer of the present invention scattered in plant fiber pulp, the polyacrylamide enhancing filter paper of collaboration the application
Porosity.It is further preferred that the weight ratio of the polyacrylamide and surfactant is 2-3:1-2, the surface-active
Agent is by with structural formula（Ⅰ）Alkylbenzenesulfonate Gemini surface active agent and with structural formula（Ⅱ）Quaternary ammonium type Shuangzi surface live
Property agent by weight 2-3:4-6 ratio composition.It is further preferred that the Gemini surface active agent is by with structural formula
（Ⅰ）Alkylbenzenesulfonate Gemini surface active agent and with structural formula（Ⅱ）Quaternary ammonium type Gemini surface active agent by weight 1:
2 ratio composition.
Wherein, the preparation method of the infrared filter paper comprises the following steps：
A, by weight ratio by microcrystalline cellulose, polyacrylamide, infrared functional powders, bentonite and surfactant, enhancing
Filler is added in plant fiber pulp, is heated to 50 DEG C -70 DEG C and is well mixed, obtains mixed slurry；
B, the mixed slurry is carried out to defibrination, copy paper, shaping and drying, the obtained infrared filter paper.
Beneficial effects of the present invention：（1）The oil filter of the present invention being capable of activation equipment oil molecule, formation oil film reduction hair
The rate of wear of motivation, so as to reduce automobile energy consumption, fuel consumption per hundred kilometers can reduce 11.5%-30%；（2）The cleaner of the present invention is adopted
Infrared filter paper intensity is high, and anti-consume, service life is long, and it is public that a cleaner can meet user 1-3 or 5000-10000
In use demand；（4）The oil filter of the present invention can substitute conventional engine oil grid.
Embodiment
The invention will be further described with the following Examples.
Embodiment 1
A kind of improve in engine energy consumption and the oil filter of discharge, including filter body, the filter body presses machine
Oil flow direction is sequentially provided with far-infrared ceramic filter core and infrared filter paper, and the porosity of the far-infrared ceramic filter core is 85%, hole density
For 40ppi, the infrared filter paper is made up of the raw material of following parts by weight：
110 parts of plant fiber pulp
7.5 parts of microcrystalline cellulose
5.5 parts of polyacrylamide
Infrared 20 parts of functional powders
12.5 parts of bentonite
5 parts of reinforcer
3 parts of surfactant；
Wherein, the preparation method of the infrared functional powders comprises the following steps：
（1）The infrared ore of nanometer is added in polymer spinning solution, and carries out ultrasonic disperse, spinning solution is obtained；
（2）Spinning solution is subjected to electrostatic spinning, nanofiber is obtained, spinning voltage is 25kV, and spinning temperature is 25 DEG C；
（3）The nanofiber is pre-oxidized, the carbonization that heats up is subsequently placed in atmosphere of inert gases, the infrared work(is made
Energy powder, Pre oxidation is 250 DEG C, and preoxidation time is 3h；Carburizing temperature is 1100 DEG C, and carbonization time is 2h；
Wherein, the reinforcer is by magnet powder, brown alundum powder, nano titanium oxide by weight 1:1:1 ratio composition.
Wherein, the particle diameter of the infrared ore of the nanometer is 55nm.
Wherein, the infrared ore of the nanometer by nano-tourmaline powder, nanometer stone needle powder, nano medical stone powder by weight
15：5：5 ratio composition.
The polymer spinning solution is dissolved in solvent by polymer and is made, polymer quality in the polymer spinning solution
Percent concentration is 20%, and the polymer is by polyacrylonitrile, poly-（Acrylonitrile-pyrroles）, it is poly-（Acrylonitrile itaconic acid ammonium）Massage
You compare 20:50:30 ratio composition, the solvent is DMF.The step（2）In, the infrared ore of nanometer
Mass ratio with polymer spinning solution is 1：9.
Wherein, the plant fiber pulp breaks into slurry by string and is made, and the solid content of the plant fiber pulp is
55wt%, the string is by bamboo fibre, dragon grass fiber, needle pine cellulosic by weight 2:2:1 ratio composition.
Wherein, the surfactant is by with structural formula（Ⅰ）Alkylbenzenesulfonate Gemini surface active agent and with knot
Structure formula（Ⅱ）Quaternary ammonium type Gemini surface active agent by weight 2.5:4.5 ratio composition：
Structural formula（Ⅰ）
Structural formula（Ⅱ）.
The preparation method of the infrared filter paper comprises the following steps：
A, by weight ratio by microcrystalline cellulose, polyacrylamide, infrared functional powders, bentonite and surfactant, enhancing
Filler is added in plant fiber pulp, is heated to 60 DEG C, is obtained mixed slurry；
B, the mixed slurry is subjected to defibrination, copy paper, shaping, drying, produces described infrared filter paper.
Embodiment 2
A kind of improve in engine energy consumption and the oil filter of discharge, including filter body, the filter body presses machine
Oil flow direction is sequentially provided with far-infrared ceramic filter core and infrared filter paper, and the porosity of the far-infrared ceramic filter core is 90%, hole density
For 50ppi, the infrared filter paper is made up of the raw material of following parts by weight：
100 parts of plant fiber pulp
5 parts of microcrystalline cellulose
5 parts of polyacrylamide
Infrared 10 parts of functional powders
5 parts of bentonite
3 parts of reinforcer
1 part of surfactant；
Wherein, the preparation method of the infrared functional powders comprises the following steps：
（1）The infrared ore of nanometer is added in polymer spinning solution, and carries out ultrasonic disperse, spinning solution is obtained；
（2）Spinning solution is subjected to electrostatic spinning, nanofiber is obtained, spinning voltage is 25kV, and spinning temperature is 20 DEG C；
（3）The nanofiber is pre-oxidized, the carbonization that heats up is subsequently placed in atmosphere of inert gases, the infrared work(is made
Energy powder, Pre oxidation is 200 DEG C, and preoxidation time is 2.5h；Carburizing temperature is 1000 DEG C, and carbonization time is 1h；
Wherein, the reinforcer is by magnet powder, brown alundum powder, nano titanium oxide by weight 1:2:1 ratio composition.
Wherein, the particle diameter of the infrared ore of the nanometer is 100nm.
Wherein, the infrared ore of the nanometer by nano-tourmaline powder, nanometer stone needle powder, nano medical stone powder by weight
14：4：3 ratio composition.
The polymer spinning solution is dissolved in solvent by polymer and is made, polymer quality in the polymer spinning solution
Percent concentration is 15%, and the polymer is by polyacrylonitrile, poly-（Acrylonitrile-pyrroles）, it is poly-（Acrylonitrile itaconic acid ammonium）Massage
You compare 15:60:25 ratio composition, the solvent is DMA.The step（2）In, the infrared ore of nanometer
Mass ratio with polymer spinning solution is 1：8.
Wherein, the plant fiber pulp breaks into slurry by string and is made, and the solid content of the plant fiber pulp is
50wt%, the string is bamboo fibre.
Wherein, the surfactant is by with structural formula（Ⅰ）Alkylbenzenesulfonate Gemini surface active agent and with knot
Structure formula（Ⅱ）Quaternary ammonium type Gemini surface active agent by weight 1:2 ratio composition：
Structural formula（Ⅰ）
Structural formula（Ⅱ）.
The preparation method of the infrared filter paper comprises the following steps：
A, by weight ratio by microcrystalline cellulose, polyacrylamide, infrared functional powders, bentonite and surfactant, enhancing
Filler is added in plant fiber pulp, is heated to 50 DEG C, is obtained mixed slurry；
B, the mixed slurry is subjected to defibrination, copy paper, shaping, drying, produces described infrared filter paper.
Embodiment 3
A kind of improve in engine energy consumption and the oil filter of discharge, including filter body, the filter body presses machine
Oil flow direction is sequentially provided with far-infrared ceramic filter core and infrared filter paper, and the porosity of the far-infrared ceramic filter core is 80%, hole density
For 30ppi, the infrared filter paper is made up of the raw material of following parts by weight：
120 parts of plant fiber pulp
10 parts of microcrystalline cellulose
8 parts of polyacrylamide
Infrared 30 parts of functional powders
20 parts of bentonite
7 parts of reinforcer
5 parts of surfactant；
Wherein, the preparation method of the infrared functional powders comprises the following steps：
（1）The infrared ore of nanometer is added in polymer spinning solution, and carries out ultrasonic disperse, spinning solution is obtained；
（2）Spinning solution is subjected to electrostatic spinning, nanofiber is obtained, spinning voltage is 35kV, and spinning temperature is 30 DEG C；
（3）The nanofiber is pre-oxidized, the carbonization that heats up is subsequently placed in atmosphere of inert gases, the infrared work(is made
Energy powder, Pre oxidation is 300 DEG C, and preoxidation time is 3.5h；Carburizing temperature is 1200 DEG C, and carbonization time is 3h；
Wherein, the reinforcer is by magnet powder, brown alundum powder, nano titanium oxide by weight 1:1:2 ratio composition.
Wherein, the particle diameter of the infrared ore of the nanometer is 10nm.
Wherein, the infrared ore of the nanometer by nano-tourmaline powder, nanometer stone needle powder, nano medical stone powder by weight
16：6：7 ratio composition.
The polymer spinning solution is dissolved in solvent by polymer and is made, polymer quality in the polymer spinning solution
Percent concentration is 35%, and the polymer is by polyacrylonitrile, poly-（Acrylonitrile-pyrroles）, it is poly-（Acrylonitrile itaconic acid ammonium）Massage
You compare 25: 40:35 ratio composition, the solvent is by DMF, DMA by weight 1:
1 ratio composition.The step（2）In, the mass ratio of the infrared ore of nanometer and polymer spinning solution is 1：10.
Wherein, the plant fiber pulp breaks into slurry by string and is made, and the solid content of the plant fiber pulp is
60wt%, the string is by bamboo fibre, dragon grass fiber, needle pine cellulosic by weight 2:1:1 ratio composition.
Wherein, the surfactant is by with structural formula（Ⅰ）Alkylbenzenesulfonate Gemini surface active agent and with knot
Structure formula（Ⅱ）Quaternary ammonium type Gemini surface active agent by weight 1:3 ratio composition：
Structural formula（Ⅰ）
Structural formula（Ⅱ）.
The preparation method of the infrared filter paper comprises the following steps：
A, by weight ratio by microcrystalline cellulose, polyacrylamide, infrared functional powders, bentonite and surfactant, enhancing
Filler is added in plant fiber pulp, is heated to 70 DEG C, is obtained mixed slurry；
B, the mixed slurry is subjected to defibrination, copy paper, shaping, drying, produces described infrared filter paper.
Embodiment 4
A kind of improve in engine energy consumption and the oil filter of discharge, including filter body, the filter body presses machine
Oil flow direction is sequentially provided with far-infrared ceramic filter core and infrared filter paper, and the porosity of the far-infrared ceramic filter core is 83%, hole density
For 45ppi, the infrared filter paper is made up of the raw material of following parts by weight：
105 parts of plant fiber pulp
7 parts of microcrystalline cellulose
6 parts of polyacrylamide
Infrared 15 parts of functional powders
10 parts of bentonite
4 parts of reinforcer
2 parts of surfactant；
Wherein, the preparation method of the infrared functional powders comprises the following steps：
（1）The infrared ore of nanometer is added in polymer spinning solution, and carries out ultrasonic disperse, spinning solution is obtained；
（2）Spinning solution is subjected to electrostatic spinning, nanofiber is obtained, spinning voltage is 20kV, and spinning temperature is 22 DEG C；
（3）The nanofiber is pre-oxidized, the carbonization that heats up is subsequently placed in atmosphere of inert gases, the infrared work(is made
Energy powder, Pre oxidation is 230 DEG C, and preoxidation time is 2.7h；Carburizing temperature is 1050 DEG C, and carbonization time is 1.5h；
Wherein, the reinforcer is by magnet powder, brown alundum powder, nano titanium oxide by weight 2:1:1 ratio composition.
Wherein, the particle diameter of the infrared ore of the nanometer is 70nm.
Wherein, the infrared ore of the nanometer by nano-tourmaline powder, nanometer stone needle powder, nano medical stone powder by weight
15：4：6 ratio composition.
The polymer spinning solution is dissolved in solvent by polymer and is made, polymer quality in the polymer spinning solution
Percent concentration is 30%, and the polymer is by polyacrylonitrile, poly-（Acrylonitrile-pyrroles）, it is poly-（Acrylonitrile itaconic acid ammonium）Massage
You compare 22:55:23 ratio composition, the solvent is by DMF, tetrahydrofuran by weight 1:1 ratio group
Into.The step（2）In, the mass ratio of the infrared ore of nanometer and polymer spinning solution is 1：9.
Wherein, the plant fiber pulp breaks into slurry by string and is made, and the solid content of the plant fiber pulp is
52wt%, the string is by bamboo fibre, dragon grass fiber, needle pine cellulosic by weight 1:1:1 ratio composition.
Wherein, the surfactant is by with structural formula（Ⅰ）Alkylbenzenesulfonate Gemini surface active agent and with knot
Structure formula（Ⅱ）Quaternary ammonium type Gemini surface active agent by weight 3:4 ratio composition：
Structural formula（Ⅰ）
Structural formula（Ⅱ）.
The preparation method of the infrared filter paper comprises the following steps：
A, by weight ratio by microcrystalline cellulose, polyacrylamide, infrared functional powders, bentonite and surfactant, enhancing
Filler is added in plant fiber pulp, is heated to 65 DEG C, is obtained mixed slurry；
B, the mixed slurry is subjected to defibrination, copy paper, shaping, drying, produces described infrared filter paper.
Embodiment 5
A kind of improve in engine energy consumption and the oil filter of discharge, including filter body, the filter body presses machine
Oil flow direction is sequentially provided with far-infrared ceramic filter core and infrared filter paper, and the porosity of the far-infrared ceramic filter core is 88%, hole density
For 44ppi, the infrared filter paper is made up of the raw material of following parts by weight：
115 parts of plant fiber pulp
9 parts of microcrystalline cellulose
7 parts of polyacrylamide
Infrared 25 parts of functional powders
15 parts of bentonite
6 parts of reinforcer
4 parts of surfactant；
Wherein, the preparation method of the infrared functional powders comprises the following steps：
（1）The infrared ore of nanometer is added in polymer spinning solution, and carries out ultrasonic disperse, spinning solution is obtained；
（2）Spinning solution is subjected to electrostatic spinning, nanofiber is obtained, spinning voltage is 30kV, and spinning temperature is 27 DEG C；
（3）The nanofiber is pre-oxidized, the carbonization that heats up is subsequently placed in atmosphere of inert gases, the infrared work(is made
Energy powder, Pre oxidation is 270 DEG C, and preoxidation time is 3h；Carburizing temperature is 1150 DEG C, and carbonization time is 2.5h；
Wherein, the reinforcer is by magnet powder, brown alundum powder, nano titanium oxide by weight 1:2:2 ratio composition.
Wherein, the particle diameter of the infrared ore of the nanometer is 35nm.
Wherein, the infrared ore of the nanometer by nano-tourmaline powder, nanometer stone needle powder, nano medical stone powder by weight
14：5：6 ratio composition.
The polymer spinning solution is dissolved in solvent by polymer and is made, polymer quality in the polymer spinning solution
Percent concentration is 30%, and the polymer is by polyacrylonitrile, poly-（Acrylonitrile-pyrroles）, it is poly-（Acrylonitrile itaconic acid ammonium）Massage
You compare 17:55:28 ratio composition, the solvent is DMF.The step（2）In, the infrared ore of nanometer
Mass ratio with polymer spinning solution is 1：8.5.
Wherein, the plant fiber pulp breaks into slurry by string and is made, and the solid content of the plant fiber pulp is
57wt%, the string is by bamboo fibre, dragon grass fiber, needle pine cellulosic by weight 1:1:1 ratio composition.
Wherein, the surfactant is by with structural formula（Ⅰ）Alkylbenzenesulfonate Gemini surface active agent and with knot
Structure formula（Ⅱ）Quaternary ammonium type Gemini surface active agent by weight 2:5 ratio composition：
Structural formula（Ⅰ）
Structural formula（Ⅱ）.
The preparation method of the infrared filter paper comprises the following steps：
A, by weight ratio by microcrystalline cellulose, polyacrylamide, infrared functional powders, bentonite and surfactant, enhancing
Filler is added in plant fiber pulp, is heated to 55 DEG C, is obtained mixed slurry；
B, the mixed slurry is subjected to defibrination, copy paper, shaping, drying, produces described infrared filter paper.
Embodiment 6
A kind of improve in engine energy consumption and the oil filter of discharge, including filter body, the filter body presses machine
Oil flow direction is sequentially provided with far-infrared ceramic filter core and infrared filter paper, and the porosity of the far-infrared ceramic filter core is 88%, hole density
For 46ppi, the infrared filter paper is made up of the raw material of following parts by weight：
112 parts of plant fiber pulp
8 parts of microcrystalline cellulose
6 parts of polyacrylamide
Infrared 25 parts of functional powders
12 parts of bentonite
4 parts of reinforcer
4 parts of surfactant；
Wherein, the preparation method of the infrared functional powders comprises the following steps：
（1）The infrared ore of nanometer is added in polymer spinning solution, and carries out ultrasonic disperse, spinning solution is obtained；
（2）Spinning solution is subjected to electrostatic spinning, nanofiber is obtained, spinning voltage is 32kV, and spinning temperature is 22 DEG C；
（3）The nanofiber is pre-oxidized, the carbonization that heats up is subsequently placed in atmosphere of inert gases, the infrared work(is made
Energy powder, Pre oxidation is 220 DEG C, and preoxidation time is 3.3h；Carburizing temperature is 1020 DEG C, and carbonization time is 1.5h；
Wherein, the reinforcer is by magnet powder, brown alundum powder, nano titanium oxide by weight 1:2:3 ratio composition.
Wherein, the particle diameter of the infrared ore of the nanometer is 16nm.
Wherein, the infrared ore of the nanometer by nano-tourmaline powder, nanometer stone needle powder, nano medical stone powder by weight
15：6：4 ratio composition.
The polymer spinning solution is dissolved in solvent by polymer and is made, polymer quality in the polymer spinning solution
Percent concentration is 20%, and the polymer is polyacrylonitrile, and the solvent is DMF.The step（2）
In, the mass ratio of the infrared ore of nanometer and polymer spinning solution is 1：9.
Wherein, the plant fiber pulp breaks into slurry by string and is made, and the solid content of the plant fiber pulp is
46wt%, the string is by bamboo fibre, dragon grass fiber, needle pine cellulosic by weight 1:3:1 ratio composition.
Wherein, the surfactant is by with structural formula（Ⅰ）Alkylbenzenesulfonate Gemini surface active agent and with knot
Structure formula（Ⅱ）Quaternary ammonium type Gemini surface active agent by weight 1:2 ratio composition：
Structural formula（Ⅰ）
Structural formula（Ⅱ）.
The preparation method of the infrared filter paper comprises the following steps：
A, by weight ratio by microcrystalline cellulose, polyacrylamide, infrared functional powders, bentonite and surfactant, enhancing
Filler is added in plant fiber pulp, is heated to 60 DEG C, is obtained mixed slurry；
B, the mixed slurry is subjected to defibrination, copy paper, shaping, drying, produces described infrared filter paper.
Comparative example 1
General fibre filter paper, the general fibre are set in a kind of oil filter, including filter body, the filter body
Filter paper includes the raw material of following parts by weight：
110 parts of plant fiber pulp
6.5 parts of polyacrylamide
12.5 parts of bentonite
3 parts of surfactant；
Wherein, the plant fiber pulp breaks into slurry by string and is made, and the solid content of the plant fiber pulp is 55wt%, institute
String is stated for needle pine cellulosic.
The preparation method of the general fibre filter paper comprises the following steps：
A, polyacrylamide, montmorillonite, surfactant are added in plant fiber pulp by weight ratio, are heated to 60 DEG C,
Obtain mixed slurry；
B, the mixed slurry is subjected to defibrination, copy paper, shaping, drying, produces described general fibre filter paper.
By embodiment 1-6 and the filter paper of comparative example 1 respectively according to GB/T451.2-2002, GB/T2679.3-1996, GB/
T454-2002, GB/T2679.14 carry out quantitative, deflection, bursting strength, aperture and detected, obtain following table.
As seen from the above table, the more general fiber filter paper deflection of the infrared filter paper of the application, air permeability and bursting strength have very big
Lifting, it was demonstrated that the infrared functional powders of the application are uniformly dispersed, and binding strength is high.
Embodiment 1-6 and the cleaner of comparative example 1 are used in the automobile in more than 6 years car age, vehicle model, discharge feelings
Condition, oil consumption situation see the table below, in emission behaviour, and the detection foundation of embodiment 6 is GB18258-2005《Spark-ignition engine automobile
Tailpipe emission limit value and method of testing（Double idle state method and simple condition method）》, the detection of embodiment 2-5 and comparative example 1
Foundation is DB44/592-2009《With spark-ignition engine automobile exhaust pollutant discharge limit value and measuring method（Steady state condition
Method）》.
As seen from the above table, cleaner of the invention has the effect for being obviously improved discharge and reduction oil consumption, passes through embodiment
The contrast of 1-6 and comparative example understands that infrared functional powders of the invention can actually play activation machine oil, provide efficiency of combustion
Effect, with great market prospects.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than to present invention guarantor
The limitation of scope is protected, although being explained with reference to preferred embodiment to the present invention, one of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent substitution, without departing from the reality of technical solution of the present invention
Matter and scope.
Claims (10)
1. a kind of improve engine energy consumption and the oil filter of discharge, including filter body, it is characterised in that：The filtering
In device body far-infrared ceramic filter core and infrared filter paper, the porosity of the far-infrared ceramic filter core are sequentially provided with by machine oil flow direction
For 80%-90%, hole density is 30-50ppi, and the infrared filter paper is made up of the raw material of following parts by weight：
100-120 parts of plant fiber pulp
5-10 parts of microcrystalline cellulose
5-8 parts of polyacrylamide
It is infrared functional powders 10-30 parts
5-20 parts of bentonite
3-7 parts of reinforcer
1-5 parts of surfactant；
The preparation method of the infrared functional powders comprises the following steps：
（1）The infrared ore of nanometer is added in polymer spinning solution, and carries out ultrasonic disperse, spinning solution is obtained；
（2）Spinning solution is subjected to electrostatic spinning, nanofiber is obtained；
（3）The nanofiber is pre-oxidized, the carbonization that heats up is subsequently placed in atmosphere of inert gases, the infrared work(is made
Can powder；
Wherein, the infrared ore of the nanometer is in nano-tourmaline powder, nanometer stone needle powder, nano medical stone powder and Ge stone flour
At least one；
Wherein, the reinforcer includes the magnet powder of 1-2 parts by weight.
2. a kind of oil filter for improving engine energy consumption and discharging according to claim 1, it is characterised in that：It is described
Reinforcer is by magnet powder, brown alundum powder and nano titanium oxide by weight 1:1:1 ratio composition.
3. a kind of oil filter for improving engine energy consumption and discharging according to claim 1, it is characterised in that：It is described
The infrared ore of nanometer is by nano-tourmaline powder, nanometer stone needle powder and nano medical stone powder by weight 14-16：4-6：3-7 ratio
Example composition.
4. a kind of oil filter for improving engine energy consumption and discharging according to claim 1, it is characterised in that：It is described
Polymer spinning solution is dissolved in solvent by polymer and is made, the mass percent concentration of polymer in the polymer spinning solution
For 15%-35%, the polymer is at least one of polyacrylonitrile and HPAM Degraded Bacteria, and the solvent is N, N- diformazans
At least one of base formamide, DMAC N,N' dimethyl acetamide and tetrahydrofuran.
5. a kind of oil filter for improving engine energy consumption and discharging according to claim 4, it is characterised in that：It is described
Polymer is by polyacrylonitrile, poly-（Acrylonitrile-pyrroles）With it is poly-（Acrylonitrile itaconic acid ammonium）15-25 in molar ratio:40-60:25-
35 ratio composition, the solvent is DMF.
6. a kind of oil filter for improving engine energy consumption and discharging according to claim 1, it is characterised in that：It is described
Step（2）In, the spinning voltage of electrostatic spinning is 15-35kV, and spinning temperature is 20-30 DEG C.
7. a kind of oil filter for improving engine energy consumption and discharging according to claim 1, it is characterised in that：It is described
Step（3）In, Pre oxidation is 200-300 DEG C, and preoxidation time is 2.5-3.5h；Carburizing temperature is 1000-1200 DEG C, carbon
The change time is 1-3h.
8. a kind of oil filter for improving engine energy consumption and discharging according to claim 1, it is characterised in that：It is described
Plant fiber pulp breaks into slurry by string and is made, and the solid content of the plant fiber pulp is 50wt%-60wt%, and the plant is fine
Tie up as at least one of bamboo fibre, dragon grass fiber and needle pine cellulosic.
9. a kind of oil filter for improving engine energy consumption and discharging according to claim 1, it is characterised in that：It is described
Surfactant is by with structural formula（Ⅰ）Alkylbenzenesulfonate Gemini surface active agent and with structural formula（Ⅱ）Quaternary ammonium type it is double
Sub- surfactant composition：
Structural formula（Ⅰ）
Structural formula（Ⅱ）.
10. a kind of oil filter for improving engine energy consumption and discharging according to claim 1, it is characterised in that：Institute
The preparation method for stating infrared filter paper comprises the following steps：
A, by weight ratio by microcrystalline cellulose, polyacrylamide, infrared functional powders, bentonite and surfactant, enhancing
Filler is added in plant fiber pulp, is heated to 50-70 DEG C and is well mixed, obtains mixed slurry；
B, the mixed slurry is carried out to defibrination, copy paper, shaping and drying, the obtained infrared filter paper.
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| CN103966913A (en) * | 2014-03-31 | 2014-08-06 | 蚌埠首创滤清器有限公司 | Firm, water-resistant and oil-resistant oil cleaner filter paper and preparation method thereof |
| CN105126452A (en) * | 2015-08-17 | 2015-12-09 | 哈尔滨工业大学 | Preparation method of filtering material used for welding fume |
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2017
- 2017-05-16 CN CN201710344154.6A patent/CN107190572B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002292287A (en) * | 2001-03-30 | 2002-10-08 | Unitika Ltd | Sheet for removing harmful substance and manufacturing method thereof |
| CN1865544A (en) * | 2005-05-18 | 2006-11-22 | 上海海欣集团股份有限公司 | Process for preparing negative ion far infrared acrylic yarn |
| CN202417761U (en) * | 2011-12-29 | 2012-09-05 | 涿州燕山汇泽化工有限公司 | Honeycomb ceramic filtering element and filter with same |
| CN103774503A (en) * | 2014-01-16 | 2014-05-07 | 北京联飞翔科技股份有限公司 | Filter paper for environmental-friendly automobile filter and preparation method of filter paper |
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| CN105126452A (en) * | 2015-08-17 | 2015-12-09 | 哈尔滨工业大学 | Preparation method of filtering material used for welding fume |
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