CN101906740A - Process for manufacturing flat vulcanized fibre - Google Patents
Process for manufacturing flat vulcanized fibre Download PDFInfo
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- CN101906740A CN101906740A CN2009101469044A CN200910146904A CN101906740A CN 101906740 A CN101906740 A CN 101906740A CN 2009101469044 A CN2009101469044 A CN 2009101469044A CN 200910146904 A CN200910146904 A CN 200910146904A CN 101906740 A CN101906740 A CN 101906740A
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Abstract
The invention discloses a process for manufacturing flat vulcanized fibre. The process comprises the following steps of: performing gelling treatment on base paper by using solution of zinc chloride according to the preset temperature condition; cramming a plurality of gelled raw vulcanized fibre flat plates into grids to perform ageing treatment; performing desalination on the aged raw vulcanized fibre by using the solution of zinc chloride with degressive relative concentration; and cleaning, drying and shaping the desalted raw vulcanized fibre flat plates sequentially. The manufacturing process can overcome the defects of non-uniform shrinkage, easy deformation, easy cracking, low safety and the like in the prior art so as to realize the advantages of uniform shrinkage, no deformation, no cracking and high safety.
Description
Technical field
The present invention relates to paper technology, particularly, relate to a kind of manufacturing technique of flat vulcanized fibre.
Background technology
Vulcan fibre is the very high converted paper of a kind of flintiness, claims vulcanized fiber paper (indurated paper) again.The vulcan fibre papery is hard, has excellent elasticity, ABRASION RESISTANCE, corrosion resistance, heat resistance, mechanical strength, insulating properties and machining moulding performance, very easily is suitable for various machinings, as cutting, boring, sticking folded, punching out and grinding etc.
How vulcan fibre is as heat insulating mattress, insulating materials and other parts in the fields such as electrical equipment industry, textile industry, communications and transportation, aircraft industry and mechanical industry, its goods have flat board, reel and tubulose etc., have the advantage of durable, the in light weight and good looking appearance of fabricated product; For example, the proportion of aluminium is 2.7, and the proportion of vulcan fibre is 1.25 ± 0.10, and the intensity of vulcan fibre is higher than aluminium.
Vulcan fibre adopts special body paper manufacturing, and body paper has the intensity height, content of ashes is little and the advantage of good water absorption.In the prior art, generally use true qualities sulphite chemistry wood pulp or cotton pulp,, do not add stuffing, on fourdrinier machine, manufacture paper with pulp and make body paper through making beating, applying glue; Use swelling agents such as dense liquor zinci chloridi or cuoxam again, body paper is carried out impregnation process, make the gel of cellulose swollen, on gelling machine, bind layer by layer then, make vulcan fibre through aging maturation, water logging desalination, dry shaping again.
But, in realizing process of the present invention, there is following defective in inventor's invention prior art at least:
(1) contraction is inhomogeneous: use tractive force in process of production, it is inconsistent that vulcan fibre is shunk longitudinally and laterally;
(2) yielding: in the shaping process, vulcan fibre become disk with the slurry punching out after, shape instability, variable ovalisation;
(3) easily jackknifing: in dry run, with vulcan fibre with slurry easy jackknifing in the process of running up;
(4) poor stability: vulcan fibre causes personal injury to operating personnel with slurry jackknifing in the process of running up when flying out easily.
Summary of the invention
The objective of the invention is to propose a kind of flat vulcanized fibre manufacturing technique, not jackknifing even, indeformable and safe advantage to realize shrinking at the defective of shrinking inhomogeneous, yielding, easy jackknifing and poor stability in the prior art.
For achieving the above object, according to an aspect of the present invention, provide a kind of flat vulcanized fibre manufacturing technique.
Flat vulcanized fibre manufacturing technique according to the embodiment of the invention may further comprise the steps: according to default temperature conditions, use liquor zinci chloridi that body paper is carried out gel and handle; Polylith cast steel paper plane after the gel is filled in the grid, carried out burin-in process; The liquor zinci chloridi that adopts relative concentration to successively decrease carries out desalting processing to the cast steel paper after aging; To the polylith cast steel paper plane after the desalination clean successively, oven dry and shaping handle.
Further, the temperature conditions that described basis is default, use liquor zinci chloridi that the step that body paper carries out the gel processing is specifically comprised: according to the hardness requirement of described flat vulcanized fibre, under different climate temperatures, set the temperature that goes up drying cylinder and following drying cylinder in the temperature of the liquor zinci chloridi of corresponding zinc chloride proportion, described liquor zinci chloridi and the gelling machine moulding drying cylinder; Use described liquor zinci chloridi that described body paper is flooded, described liquor zinci chloridi is heated; When the temperature of described liquor zinci chloridi reached setting value, according to the thickness requirement of described flat vulcanized fibre, stacked being wound on the described drying cylinder of raw paper pulp that described dipping and heating are obtained heated and pressurizeed described drying cylinder; When the temperature and pressure of described drying cylinder reaches setting value, cut off body paper and supply with, peel off described raw paper pulp from described drying cylinder, the cast steel paper that obtains is cut into the polylith flat board.Here, be the pressure that weighing apparatus is fixed to drying cylinder pressurization, i.e. the deadweight of the baby dryer that rolling of top, weight is at 500 kilograms.
Wherein, the corresponding relation of described climate temperature, zinc chloride proportion, liquor zinci chloridi temperature, last dryer temperature and following dryer temperature sees table:
| Climate temperature ℃ | Zinc chloride proportion | Last dryer temperature ℃ | Following dryer temperature ℃ | Liquor zinci chloridi temperature ℃ |
| 31-35 | 1.996-1.982 | 80-90 | 55-60 | 46-50 |
| 26-30 | 1.982-1.969 | 78-88 | 55-60 | 44-48 |
| 21-25 | 1.969-1.955 | 76-86 | 55-60 | 42-46 |
| 16-20 | 1.955-1.942 | 74-84 | 50-55 | 40-44 |
| 11-15 | 1.942-1.929 | 72-82 | 50-55 | 38-42 |
| 6-10 | 1.929-1.916 | 70-80 | 50-55 | 36-40 |
| 0-5 | 1.916-1.900 | 68-78 | 50-55 | 34-38 |
In last table, parameter in the mapping table requires to set with the vulcanized fiber board hardness of 1.2mm thickness, each condition is inequality in the hardness of the vulcanized fiber board of different-thickness and the table, thickness greater than the vulcanized fiber board of 1.2mm under identical climate temperature situation, parameter falls on a year-on-year basis in the increase ratio of thickness in the table, rises on year-on-year basis less than the minimizing ratio of 1.2mm vulcanized fiber board in thickness.
Further, described polylith cast steel paper plane after the gel is filled in the grid, the step of carrying out burin-in process specifically comprises: described polylith cast steel paper plane is filled in the grid, used plastic wire that described polylith cast steel paper plane is kept apart each other; The described grid that is plugged with polylith cast steel paper plane was exposed in air 2 hours at least.
Further, the liquor zinci chloridi that described employing relative concentration is successively decreased, the step of the cast steel paper after aging being carried out desalting processing specifically comprises: dispose at least nine kinds of liquor zinci chloridis that relative concentration is 33-0BE, with at least 2 hours the time interval, the described grid that is plugged with polylith cast steel paper plane is put into described nine kinds of liquor zinci chloridis successively, zinc chloride in the described cast steel paper is carried out progressively leaching, make the weight percent content of zinc chloride in the cast steel paper after the leaching not be higher than 0.10%.
Further, the described step that polylith cast steel paper plane after the desalination is carried out clean successively specifically comprises: extract described polylith cast steel paper plane from described grid out, wash described polylith cast steel paper plane repeatedly with a large amount of water, and the described polylith cast steel of the outwash paper plane assorted stain of adhering to.
Further, the described step that polylith cast steel paper plane after the desalination is dried processing successively specifically comprises: the baking that described polylith cast steel paper plane is placed on net formula drying room is online, toast; In the polylith cast steel paper plane after baking, the weight percent content of water is 6-10%.
Further, describedly polylith cast steel paper plane after the desalination is carried out the step that shaping handles successively specifically comprise: according to the thickness requirement of described flat vulcanized fibre, select the weight of dull and stereotyped forcing press to be at least 600 tons, and set the force value and the pressing time of described dull and stereotyped forcing press; Described polylith cast steel paper plane after the oven dry is filled in the dull and stereotyped forcing press,, made described polylith cast steel paper plane smooth by described dull and stereotyped forcing press is pressurizeed.
Here, because the warpage injustice of dry back vulcan fibre own,, need temperature (heat), 300 kilograms/cm of pressure in hot press because therefore fiber prepattern also must finalize the design
2Could flatten.
And, vulcan fibre hot pressing time, moisture content when hot pressing is relevant with product quality, the time of pressing is long more, the water evaporates of vulcan fibre inside is many more, and the vulcan fibre moisture content is low more (being lower than below 0.6%) just, and the vulcan fibre embrittlement influences quality, the time of pressing is short more, the evaporation of vulcan fibre internal moisture is also few, and the vulcan fibre moisture content is just high, crosses easy warpage injustice more than 10%.Therefore hot pressing time is suitably controlled according to vulcan fibre moisture.
Further, utilize above-mentioned manufacturing technique to obtain flat vulcanized fibre, described flat vulcanized fibre is as grinding base material.
In the present invention, by the flat vulcanized fibre that above steps makes, its performance indications can see table:
The performance indications of flat vulcanized fibre
The manufacturing technique of the flat vulcanized fibre of various embodiments of the present invention, adopt the vulcan fibre body paper, under different climate temperature conditions, use the liquor zinci chloridi of different zinc chloride proportions that body paper is flooded and heat treated, on the overlapping layer by layer moulding drying cylinder that is wound on gelling machine of the raw paper pulp that obtains, drying cylinder is heated and pressurizes; When temperature and pressure reaches certain value, the cast steel paper that obtains is cut into the polylith flat board, fill in the corresponding grid, after the use plastic wire is isolated, exposed in air; After at least two hours, the liquor zinci chloridi that uses relative concentration to reduce gradually, with the time interval of setting, the zinc chloride in the leaching birth vulcan fibre gradually; Afterwards to the cast steel paper that obtains clean successively, oven dry and shaping handle, and can obtain the flat vulcanized fibre of finished product; In the manufacturing technique of this flat vulcanized fibre, the effect of no tractive force, the flat vulcanized fibre of finished product is in the contraction unanimity of vertical and horizontal; After this flat vulcanized fibre punching out was become disk, last diamond dust was made sander, in use run up, and the even rounding of emery disc, indeformable, not jackknifing, not drop can not fly out in the process of running up in jackknifing yet; Thereby can overcome in the prior art defectives such as shrinking inhomogeneous, yielding, easy jackknifing and poor stability,, not jackknifing even, indeformable and safe advantage to realize shrinking.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Below by embodiment, technical scheme of the present invention is described in further detail.
The specific embodiment
Below the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Basic thought of the present invention is: use dense liquor zinci chloridi, waterleaf paper for velcanized fiber is flooded and heat treated; When being heated to preset temperature, the slurry that dipping is obtained is wound on the moulding drying cylinder of gelling machine layer by layer, strengthens heating power, and strengthen gradually being wound on the pressure of gelling machine moulding drying cylinder spreading mass layer by layer, make in the slurry fiber and fiber intersect gummed, obtain semi-products, i.e. cast steel paper; In salting out tank, the liquor zinci chloridi that successively decreases successively with concentration soaks cast steel paper, and progressively leaching goes out the zinc chloride that immerses body paper in the gel process; Re-use a large amount of clear water cyclic washings, the whole leachings of zinc chloride in the cast steel paper are gone out, then cast steel paper is carried out drying and shaping processing, can obtain the flat vulcanized fibre of finished product.
Embodiment one
According to the embodiment of the invention, a kind of manufacturing technique of flat vulcanized fibre has been proposed, may further comprise the steps:
Step 1: vulcan fibre is carried out gel with body paper handle, concrete:
Under different climate temperature conditions, adopt the liquor zinci chloridi of different zinc chloride proportions, and set corresponding temperature requirement, vulcan fibre is flooded and heat treated with body paper, obtain raw paper pulp;
Set when requiring when the temperature of liquor zinci chloridi and body paper mixed solution reaches, according to the Thickness Design requirement of flat vulcanized fibre, set the coiling number of turns of raw paper pulp on gelling machine, that is, when the Thickness Design of flat vulcanized fibre requires when high, the coiling number of turns is corresponding more; Here, the thickness of flat vulcanized fibre and the corresponding relation between the coiling number of turns on the gelling machine are as follows:
Thickness * 60% of the thickness of flat vulcanized fibre=cast steel paper;
Thickness * the number of turns of the thickness=body paper of cast steel paper;
It is thickness * number of turns * 60% of the thickness=body paper of flat vulcanized fibre;
With raw paper pulp layer by layer eclipsed form be wound on the moulding drying cylinder of gelling machine, drying cylinder is heated and pressurized treatments, make in the raw paper pulp fiber and fiber intersect gummed, obtain semi-products, be cast steel paper;
When the temperature of the temperature of last drying cylinder and following drying cylinder reaches the temperature conditions of setting respectively, cut off the supply of vulcan fibre usefulness body paper, cut and peel off the cast steel paper on the drying cylinder, will peel off the cast steel paper that obtains again and cut into the polylith flat board according to production requirement.
In step 1, the concrete number range and the corresponding relation of the design temperature of the design temperature of proportion, liquor zinci chloridi and the body paper mixed solution of zinc chloride and last drying cylinder and following drying cylinder can be referring to tables one in the climate temperature when vulcan fibre is carried out the gel processing with body paper, the liquor zinci chloridi.
Table one: climate temperature, zinc chloride proportion, liquor zinci chloridi temperature, last dryer temperature and following drying cylinder temperature
Corresponding relation between the degree (giving an example one)
| Climate temperature ℃ | Zinc chloride proportion | Last dryer temperature ℃ | Following dryer temperature ℃ | Liquor zinci chloridi temperature ℃ |
| 31 | 1.996 | 80 | 55 | 46 |
| 26 | 1.982 | 78 | 55 | 44 |
| 21 | 1.969 | 76 | 55 | 42 |
| 16 | 1.955 | 74 | 50 | 40 |
| 11 | 1.942 | 72 | 50 | 38 |
| 6 | 1.929 | 70 | 50 | 36 |
| 1 | 1.916 | 68 | 50 | 34 |
Step 2: the cast steel paper that gel is obtained carries out burin-in process, and is concrete:
The cast steel paper that cuts into the polylith flat board is filled in the corresponding grid, adopted plastic wire to keep apart between the polylith flat board, make between the polylith flat board not contact mutually; Under normal temperature condition, according to setting-up time, the grid of filling in the polylith flat board is placed air, the fiber between cast steel paper middle level and the layer further intersects with fiber.
In step 2, because degree of aging is bigger to the intensity effect of finished product vulcan fibre, so but ageing time is set in the production requirement of vulcan fibre intensity.
In the present embodiment, ageing time tentatively can be made as 2 hours, further can be according to the thickness proper extension ageing time of cast steel paper;
Step 3: because when in the gel step vulcan fibre being carried out impregnation process with body paper, body paper has absorbed a large amount of zinc chloride, need carry out desalting processing to the aging cast steel paper that obtains, leaching goes out the zinc chloride that sucks in the gel step from cast steel paper.Concrete:
The many parts of liquor zinci chloridis that configuration zinc chloride proportion reduces successively, according to the time interval of setting, the grid that is plugged with polylith cast steel paper plane is put into many parts of liquor zinci chloridis of configuration successively, carry out the multiple tracks leaching, thus the zinc chloride progressively in the leaching birth vulcan fibre.
Here, the time interval of leaching can be set at 2 hours, after 12 road leachings, the content of zinc chloride in the cast steel paper can be reduced to 0.05%.In addition, after the zinc chloride that leaching goes out can recycle, be used for the gel process that vulcan fibre is produced, thereby can reach recycling of raw material, help reducing the production cost of vulcan fibre.
In the present embodiment, the desalination operation can be divided into Shi Erdao, and wherein, the desalination condition of per pass operation can be referring to table two.
Table two: the desalination condition of 12 procedures (giving an example)
| Operation | The relative concentration of zinc chloride (BE) in the liquor zinci chloridi |
| First procedure | 33 |
| Second operation work | 28 |
| Three process | 23 |
| The 4th procedure | 15 |
| Five processes | 7 |
| The 6th procedure | 2 |
| The 7th procedure | 0.6 |
| The 8th procedure | 0.6 |
| The 9th procedure | 0 |
| The tenth procedure | 0 |
| The tenth one procedure | 0 |
| The 12 procedure | 0 |
Step 4: the cast steel paper after the desalination is carried out clean, concrete:
Polylith cast steel paper plane is extracted out from grid, washed polylith cast steel paper plane repeatedly, and scrub clean the assorted stain on cast steel paper plane surface with a large amount of water;
Step 5: the cast steel paper after cleaning is dried processing, concrete:
Adopt professional net formula drying room equipment, it is online that polylith cast steel paper plane is placed on baking, toasts in drying room, and the percentage by weight moisture of the cast steel paper that obtains is controlled within the 6-10%;
Step 6:, concrete because polylith cast steel paper plane and out-of-flatness after the oven dry need be carried out the shaping processing:
Polylith cast steel paper plane after the oven dry is filled in the dull and stereotyped forcing press more than 600 tons, according to force value and the pressing time set polylith cast steel paper plane being carried out shaping.Here, can be provided with force value and pressing time according to the thickness of cast steel paper plane and the production requirement of vulcan fibre.
After gel by above-mentioned steps 1-step 6, aging, desalination, cleaning, oven dry and shaping are handled, can obtain flat vulcanized fibre.
Embodiment two
In the present embodiment, different with the foregoing description is gel step and desalination step.
Wherein, in the gel step, the concrete numerical value and the corresponding relation of climate temperature, zinc chloride proportion, liquor zinci chloridi temperature, last dryer temperature and following dryer temperature can be referring to tables three.
Table three: climate temperature, zinc chloride proportion, liquor zinci chloridi temperature, last dryer temperature and following drying cylinder temperature
Corresponding relation between the degree (giving an example two)
| Climate temperature ℃ | Zinc chloride proportion | Last dryer temperature ℃ | Following dryer temperature ℃ | Liquor zinci chloridi temperature ℃ |
| 33 | 1.989 | 85 | 57.5 | 48 |
| 28 | 1.975 | 83 | 57.5 | 46 |
| 23 | 1.962 | 81 | 57.5 | 44 |
| 18 | 1.948 | 79 | 52.5 | 42 |
| 13 | 1.932 | 77 | 52.5 | 40 |
| 8 | 1.917 | 75 | 52.5 | 38 |
| 3 | 1.908 | 73 | 52.5 | 36 |
In the desalination step, the desalination operation can be divided into ten roads, and wherein, the desalination condition of per pass operation can be referring to table four.
Table four: the desalination condition of ten procedures (giving an example two)
| Operation | The relative concentration of zinc chloride (BE) in the liquor zinci chloridi |
| First procedure | 32 |
| Second operation work | 27 |
| Three process | 24 |
| The 4th procedure | 16 |
| Five processes | 6 |
| The 6th procedure | 1 |
| The 7th procedure | 0.6 |
| The 8th procedure | 0.4 |
| The 9th procedure | 0 |
| The tenth procedure | 0 |
Embodiment three
In the present embodiment, in the present embodiment, different with the foregoing description is gel step and desalination step.
Wherein, in the gel step, the concrete numerical value and the corresponding relation of climate temperature, zinc chloride proportion, liquor zinci chloridi temperature, last dryer temperature and following dryer temperature can be referring to tables five.
Table five: climate temperature, zinc chloride proportion, liquor zinci chloridi temperature, last dryer temperature and following drying cylinder temperature
Corresponding relation between the degree (giving an example three)
| Climate temperature ℃ | Zinc chloride proportion | Last dryer temperature ℃ | Following dryer temperature ℃ | Liquor zinci chloridi temperature ℃ |
| 35 | 1.982 | 90 | 60 | 50 |
| 30 | 1.969 | 88 | 60 | 48 |
| 25 | 1.955 | 86 | 60 | 46 |
| 20 | 1.942 | 84 | 55 | 44 |
| 15 | 1.929 | 82 | 55 | 42 |
| 10 | 1.916 | 80 | 55 | 40 |
| 5 | 1.900 | 78 | 55 | 38 |
In the desalination step, the desalination operation can be divided into nine roads, and wherein, the desalination condition of per pass operation can be referring to table six.
Table six: the desalination condition of nine procedures (giving an example three)
| Operation | The relative concentration of zinc chloride (BE) in the liquor zinci chloridi |
| First procedure | 33 |
| Second operation work | 29 |
| Three process | 22 |
| The 4th procedure | 13 |
| Five processes | 5 |
| The 6th procedure | 2 |
| The 7th procedure | 1 |
| The 8th procedure | 0.6 |
| The 9th procedure | 0 |
After tested, the flat vulcanized fibre that the various embodiments described above make, strength character is good, can reach the demand of grinding vulcan fibre, and shrink even, indeformable, not jackknifing, to inhale colloidality strong, can be widely used in grinding industry.
In grinding industry, through repeatedly using checking, use flat vulcanized fibre that various embodiments of the present invention make as grinding the base material flat vulcanized fibre, this grinding flat plate vulcan fibre punching out is become disk after, use diamond dust to make sander; Owing in use run up, require the even rounding of emery disc, indeformable, not jackknifing, not drop; Therefore, require this grinding base material flat vulcanized fibre to shrink evenly, and indeformable, not jackknifing, to inhale colloidality strong.
In the above-described embodiments, the use of flat vulcanized fibre in grinding industry is innovation, and using method is the technology of vulcan fibre deep processing industry.
In addition, the available technology adopting serialization is produced, owing to use tractive force in manufacturing technique, it is inconsistent that the finished product vulcan fibre is shunk longitudinally and laterally, and punching out becomes ellipse after becoming disk, and easy jackknifing flies out and hurts sb.'s feelings in the process of running up; And in the present invention, the effect of no tractive force in the manufacturing technique of flat vulcanized fibre, make vulcan fibre in the finished product process in length and breadth to obtaining the flexible of nature, shunk the typing that puts in place behind the finished product, and the intensity increase of this flat vulcanized fibre is made behind the emery disc quite durable.
In the various embodiments described above, vulcan fibre can be referring to table seven with the Chemical Physics technical indicator of body paper.
Table seven: the Chemical Physics technical indicator of body paper
| Index name | Quantity | Unit | Remarks |
| The fiber composition | 100 | ％ | The bleached cotton starch dregs of rice |
| Quantitatively | 80±5％ | g/m 2 | |
| Thickness | 0.14 | mm | |
| Tightness | 0.52-0.60 | g/cm 3 | |
| Water imbibition | 43±5 | mm/10mm | |
| Vertical face fracture toughness | 27 | N/15mm | |
| The plane of structure fracture toughness | 19 | N/15mm | |
| Moisture content | 5±1 | ％ | |
| Dirt count 1 | No more than 400 | 0.25-2.0 | |
| Dirt count 2 | No more than 40 | 1.5-2.5 | |
| Content of ashes | Be not more than 1 | ％ | |
| Free chlorine | 0 | ||
| Free acid | 0 |
In the various embodiments described above, the Chemical Physics technical indicator of zinc chloride can be referring to table eight in the liquor zinci chloridi.
Table eight: the Chemical Physics technical indicator of zinc chloride
| Index name | Advance factory's requirement | Production requirement |
| Zinc chloride purity | Zinc content:＞98% | ＞90％ |
| Zinc chloride | Iron-holder:＜0.02% | ＜0.02％ |
| Calcium content:＜0.20% | ＜0.30％ | |
| Iron-holder:＜0.02% | ＜0.02％ | |
| Barium root and sulfate radical | Do not have | Must neutralization |
In sum, the manufacturing technique of the flat vulcanized fibre of various embodiments of the present invention can be flooded and heat treated body paper with reference to the condition of table one, table three or table five, on the overlapping layer by layer moulding drying cylinder that is wound on gelling machine of the raw paper pulp that obtains, drying cylinder is heated and pressurizes; When temperature and pressure reaches certain value, the cast steel paper that obtains is cut into the polylith flat board, fill in the corresponding grid, after the use plastic wire is isolated, exposed in air; After at least two hours, can carry out desalting processing to the aging cast steel paper that obtains with reference to the condition of table two, table four or table six; Afterwards to the cast steel paper that obtains clean successively, oven dry and shaping handle, and can obtain the flat vulcanized fibre of finished product; In the manufacturing technique of this flat vulcanized fibre, the effect of no tractive force, the flat vulcanized fibre of finished product is in the contraction unanimity of vertical and horizontal; After this flat vulcanized fibre punching out was become disk, last diamond dust was made sander, in use run up, and the even rounding of emery disc, indeformable, not jackknifing, not drop can not fly out in the process of running up in jackknifing yet; Thereby can overcome in the prior art defectives such as shrinking inhomogeneous, yielding, easy jackknifing and poor stability,, not jackknifing even, indeformable and safe advantage to realize shrinking.
It should be noted that at last: the above only is the preferred embodiments of the present invention, be not limited to the present invention, although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the manufacturing technique of a flat vulcanized fibre is characterized in that, may further comprise the steps:
According to default temperature conditions, use liquor zinci chloridi that body paper is carried out gel and handle;
Polylith cast steel paper plane after the gel is filled in the grid, carried out burin-in process;
The liquor zinci chloridi that adopts relative concentration to successively decrease carries out desalting processing to the cast steel paper after aging;
To the polylith cast steel paper plane after the desalination clean successively, oven dry and shaping handle.
2. the manufacturing technique of flat vulcanized fibre according to claim 1 is characterized in that, the temperature conditions that described basis is default uses liquor zinci chloridi that the step that body paper carries out the gel processing is specifically comprised:
According to the hardness requirement of described flat vulcanized fibre, under different climate temperatures, set the temperature that goes up drying cylinder and following drying cylinder in the temperature of the liquor zinci chloridi of corresponding zinc chloride proportion, described liquor zinci chloridi and the gelling machine moulding drying cylinder;
Wherein, the corresponding relation of described climate temperature, zinc chloride proportion, liquor zinci chloridi temperature, last dryer temperature and following dryer temperature sees table:
Use described liquor zinci chloridi that described body paper is flooded, described liquor zinci chloridi is heated;
When the temperature of described liquor zinci chloridi reached setting value, according to the thickness requirement of described flat vulcanized fibre, stacked being wound on the described drying cylinder of raw paper pulp that described dipping and heating are obtained heated and pressurizeed described drying cylinder;
When the temperature and pressure of described drying cylinder reaches setting value, cut off body paper and supply with, peel off described raw paper pulp from described drying cylinder, the cast steel paper that obtains is cut into the polylith flat board.
3. the manufacturing technique of flat vulcanized fibre according to claim 1 is characterized in that, described polylith cast steel paper plane after the gel is filled in the grid, and the step of carrying out burin-in process specifically comprises:
Described polylith cast steel paper plane is filled in the grid, used plastic wire that described polylith cast steel paper plane is kept apart each other;
The described grid that is plugged with polylith cast steel paper plane was exposed in air 2 hours at least.
4. the manufacturing technique of flat vulcanized fibre according to claim 1 is characterized in that, the liquor zinci chloridi that described employing relative concentration is successively decreased, and the step of the cast steel paper after aging being carried out desalting processing specifically comprises:
Dispose at least nine kinds of liquor zinci chloridis that relative concentration is 33-0BE, with at least 2 hours the time interval, the described grid that is plugged with polylith cast steel paper plane is put into described nine kinds of liquor zinci chloridis successively, zinc chloride in the described cast steel paper is carried out progressively leaching, make the weight percent content of zinc chloride in the cast steel paper after the leaching not be higher than 0.10%.
5. the manufacturing technique of flat vulcanized fibre according to claim 1 is characterized in that, the described step that polylith cast steel paper plane after the desalination is carried out clean successively specifically comprises:
From described grid, extract described polylith cast steel paper plane out, wash described polylith cast steel paper plane repeatedly with a large amount of water, and the described polylith cast steel of the outwash paper plane assorted stain of adhering to.
6. the manufacturing technique of flat vulcanized fibre according to claim 1 is characterized in that, the described step that polylith cast steel paper plane after the desalination is dried processing successively specifically comprises:
The baking that described polylith cast steel paper plane is placed on net formula drying room is online, toast;
In the polylith cast steel paper plane after baking, the weight percent content of water is 6-10%.
7. the manufacturing technique of flat vulcanized fibre according to claim 1 is characterized in that, describedly polylith cast steel paper plane after the desalination is carried out the step that shaping handles successively specifically comprises:
According to the thickness requirement of described flat vulcanized fibre, select the weight of dull and stereotyped forcing press to be at least 600 tons, and set the force value and the pressing time of described dull and stereotyped forcing press;
Described polylith cast steel paper plane after the oven dry is filled in the dull and stereotyped forcing press,, made described polylith cast steel paper plane smooth by described dull and stereotyped forcing press is pressurizeed.
8. the manufacturing technique of flat vulcanized fibre according to claim 1 is characterized in that, utilizes described manufacturing technique to obtain flat vulcanized fibre, and described flat vulcanized fibre is as grinding base material.
Priority Applications (1)
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|---|---|---|---|
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103103867A (en) * | 2013-02-06 | 2013-05-15 | 杭州特种纸业有限公司 | Vulcanized fiber board and manufacturing process thereof |
| CN103147356A (en) * | 2013-03-07 | 2013-06-12 | 杭州特种纸业有限公司 | Abrasive steel paperboard and manufacturing process thereof |
| CN103321101A (en) * | 2013-05-27 | 2013-09-25 | 朱佳慧 | Formula and preparation method of vulcanized fiber paper |
| CN105002781A (en) * | 2015-05-30 | 2015-10-28 | 玛纳斯源源纸业有限公司 | Production method avoiding vulcanized fiber paper from turning white |
| CN106012673A (en) * | 2016-05-24 | 2016-10-12 | 玛纳斯源源纸业有限公司 | Gelling process in vulcanized paper production |
| CN107178009A (en) * | 2017-07-11 | 2017-09-19 | 启东市南阳钢纸厂 | A kind of efficient semi-automatic vulcan fibre production system |
| CN107227658A (en) * | 2017-07-11 | 2017-10-03 | 启东市南阳钢纸厂 | A kind of environment-friendly type vulcan fibre and its production technology |
| CN107338680A (en) * | 2017-07-11 | 2017-11-10 | 启东市南阳钢纸厂 | A kind of environment-friendly type waterleaf paper for velcanized fiber and its production technology |
| CN110453536A (en) * | 2019-08-30 | 2019-11-15 | 玛纳斯源源纸业有限公司 | A kind of production method of continuous vulcan fibre |
| CN112123226A (en) * | 2020-09-25 | 2020-12-25 | 浙江科技学院 | Production process of high-flexibility grinding vulcanized fiber paper |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2202635Y (en) * | 1994-04-06 | 1995-07-05 | 郭永芳 | Steel paper plate maker |
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| CN103103867A (en) * | 2013-02-06 | 2013-05-15 | 杭州特种纸业有限公司 | Vulcanized fiber board and manufacturing process thereof |
| CN103147356A (en) * | 2013-03-07 | 2013-06-12 | 杭州特种纸业有限公司 | Abrasive steel paperboard and manufacturing process thereof |
| CN103321101A (en) * | 2013-05-27 | 2013-09-25 | 朱佳慧 | Formula and preparation method of vulcanized fiber paper |
| CN103321101B (en) * | 2013-05-27 | 2016-01-13 | 朱佳慧 | Formula of a kind of vulcan fibre and preparation method thereof |
| CN105002781A (en) * | 2015-05-30 | 2015-10-28 | 玛纳斯源源纸业有限公司 | Production method avoiding vulcanized fiber paper from turning white |
| CN106012673A (en) * | 2016-05-24 | 2016-10-12 | 玛纳斯源源纸业有限公司 | Gelling process in vulcanized paper production |
| CN107178009A (en) * | 2017-07-11 | 2017-09-19 | 启东市南阳钢纸厂 | A kind of efficient semi-automatic vulcan fibre production system |
| CN107227658A (en) * | 2017-07-11 | 2017-10-03 | 启东市南阳钢纸厂 | A kind of environment-friendly type vulcan fibre and its production technology |
| CN107338680A (en) * | 2017-07-11 | 2017-11-10 | 启东市南阳钢纸厂 | A kind of environment-friendly type waterleaf paper for velcanized fiber and its production technology |
| CN107178009B (en) * | 2017-07-11 | 2019-05-28 | 启东市南阳钢纸厂 | A kind of efficient semi-automatic vulcan fibre production system |
| CN110453536A (en) * | 2019-08-30 | 2019-11-15 | 玛纳斯源源纸业有限公司 | A kind of production method of continuous vulcan fibre |
| CN110453536B (en) * | 2019-08-30 | 2021-09-03 | 新疆源一科创有限公司 | Continuous vulcanized fiber paper production method |
| CN112123226A (en) * | 2020-09-25 | 2020-12-25 | 浙江科技学院 | Production process of high-flexibility grinding vulcanized fiber paper |
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