CN108265336A - A kind of cocoon cooking process of fresh cocoon infiltration - Google Patents
A kind of cocoon cooking process of fresh cocoon infiltration Download PDFInfo
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- CN108265336A CN108265336A CN201810065091.5A CN201810065091A CN108265336A CN 108265336 A CN108265336 A CN 108265336A CN 201810065091 A CN201810065091 A CN 201810065091A CN 108265336 A CN108265336 A CN 108265336A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01B—MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARY MATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING
- D01B7/00—Obtaining silk fibres or filaments
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Abstract
The invention discloses a kind of cocoon cooking process of fresh cocoon infiltration, refrigerates, selects silkworm including fresh cocoon, thawing, sub-percolation processing, supersound process, second permeation processing, cocoon cooking, steams cocoon, goes out cocoon.The present invention using Refrigeration Technique it is quick, preserve fresh cocoon for a long time, cocoon cooking uses cryogenic vacuum osmosis process, so that cocoon seepage velocity is fast, efficient, fuel and the workload of staff can be greatly reduced, it is environmentally safe, the quality index agent level of ripe cocoon is greatly improved, cleaning, cleaning, strength, obvolvent index improve, it is high, high-quality to solve silk rate, production efficiency is high, and porcelain eye is not gambled substantially, product node is few, it is and simple for process, easy to operate, production cost is low, and heat-treated is less, can preferably keep the unique style of natural raw silk.
Description
Technical field
The invention belongs to technical field of textile production, and in particular to a kind of cocoon cooking process of fresh cocoon infiltration.
Background technology
Though there is a country more than 60 to have silk production in the world now, in recent years ten thousand tons of silk 7-8 of annual output, and cocoon cooking process
It is a very important process of throwing factory, the quality of cocoon cooking quality rolls in addition to that can directly influence reel silk from cocoons, is unwinding, moreover it is possible to shadow
Ring deviation, cleaning, cleaning, raw silk cohesion, raw silk average fineness etc. and the relevant indices of raw silk quality.
Using different cocoon cooking process and technical measures, not only have a great impact to the quality of filature, but also generate
Pollution level is also different.With the development of science and technology, particularly application of the new equipments such as high speed loom in weaving, to life
Yarn quality proposes new requirement：Improve the strength of raw silk, cohesive force, cleaning, cleaning, adapt it to high speed loom high-tension,
The requirement to rub by force.Reach such requirement, cocoon cooking process of the raw silk during reel silk from cocoons system plays an important role, and cocoon cooking is system
Key process together during silk.Cocoon cooking process be typically using circulating cocoon cooking equipment complete, it include plus cocoon portion,
Dipping portion, preheating section, osmosizing portion, boiling part, adjustment section and low exit temperature portion etc., silk cocoon are steaming after infiltration, the pre-heat treatment
It is cooked in the portion of boiling.Cocoon cooking it is appropriate whether, have directly to the height of quality unwinding in wrapping wire process, cleanliness factor
It influences, cocoon cooking is irregular to generate that table boils (ripe inner life outside cocoon layer), piece is boiled and (is cooked between cocoon and cocoon variant), spot boils that (cocoon grain is not
Be cooked with position irregular) etc. disadvantages, if cocoon boils not yet done or spot and boils, can significantly increase raw silk ring class in addition generate split silk；And
Cocoon boils overdone, will increase new continuous class, influence the inherent qualities such as raw silk cleaning, cleanliness.So when cocoon boils suitably, it can
Making sericin within cocoon layer appropriateness swelling, silk cocoon water suction is appropriate, so as to keep certain wrapping wire winding speed and around thread tension, cocoon during wrapping wire
Silk stretches, and each silk can be preferably mutually deadlocked, and obvolvent is good, and class section is few, and Raw Silk Neatness degree is just high.
Existing cocoon cooking theory be actually by the temperature difference permeate based on set up, either silk universities and colleges still make
Silk factory, is now still being imparted knowledge to students and is being produced by this set theory.The result is that long-term fixed cocoon cooking pattern is in cocoon cooking technical staff
Brains in form fixed Psychological Model, thus still boiled in vacuum infiltration process of cocoon with strong temperature difference infiltration
The trace of cocoon, this is mainly manifested in：
(1) unwinding and order rate, cocoon cooking temperature drift are overemphasized；
(2) guttation is overemphasized；
(3) always feel cocoon cooking not enough " ripe ".
As a result it is often higher with temperature, cause sericin dissolution big, thread silk amount is big, long to spit increase, and reel silk from cocoons folding increase is hung and also increased.
Cocoon cooking actually should mainly solve two problems：When water absorption issue, second is that cooked problem.This is to change dried cocoon deadlock,
Silk gum swelling softens so that dissolving, silk sequence dissociation are finally reached the necessary condition of filature production requirement.Water suction mostly with few,
Determine cocoon it is heavy with it is floating and permeate good and bad；The life of cocoon cooking with it is ripe, determine cocoon cooking scheme just with accidentally.The two are asked
Topic, water suction are bases, and cooked is crucial, exactly because vacuum infiltration permeates the mode of actually processing water absorption issue not with the temperature difference
Together, that is, basis is different, just determines the difference of cooked degree, if it cannot fully understand this problem, then it is oozed by the temperature difference
It, will necessarily be subjective with having a certain distance in operation after changing vacuum infiltration thoroughly.
All it is generally that filature is carried out using temperature difference osmosis process to permeate more fully.Vacuum infiltration and temperature difference infiltration
Difference is that solve water absorption issue in advance outside machine using vacuum means first.The good silkworm cocoon of vacuum infiltration is in cocoon cooking machine
Can only have cocoon layer continues to ooze profit, and the swelling of silk gum is soft with dissolving, and a large amount of water suction phenomenons in temperature difference infiltration may be not present, instead
And there is the possibility of cocoon chamber dehydration.That is, under the premise of the good silkworm cocoon water suction of off engine control technology, vacuum infiltration cocoon cooking only needs to solve
One problem：It is cooked.The water temperature of vacuum infiltration is higher, the bored cocoon time is longer, and vacuum pump lubricating oil oil consumption is more, and lubricating oil
Higher price so that of high cost；And since silk cocoon cocoon layer is more, water suction infiltration resistance is big, and cocoon layer water suction osmosis is small.
In order to improve the unwinding of silk cocoon, in cocoon cooking process, often added in cocoon cooking soup a certain amount of chemical reagent and hydrous water and
The effect of heat, to achieve the purpose that improve raw silk cohesion, but this is unable to silk cocoon raw silk and keeps the natural unique wind of raw silk again
Lattice, it is difficult to which the raw silk of reel silk from cocoons high-grade grade can also influence the post-processings such as silk weaving and printing and dyeing production.In cocoon cooking process is permeated,
How silkworm cocoon reelability is improved so that silk sequence dissociates during continuous silk, is the problem of people study always.
Invention content
It is an object of the invention to：In view of the above problems, the present invention provides a kind of cocoon cooking process of fresh cocoon infiltration.
The present invention using Refrigeration Technique it is quick, preserve fresh cocoon for a long time, cocoon cooking uses cryogenic vacuum osmosis process so that cocoon seepage velocity
Soon, it is efficient, fuel and the workload of staff can be greatly reduced, it is environmentally safe, improve the water suction infiltration effect of cocoon layer
Fruit reduces the deadlocked not uniform sequence for promoting silk during filature of silk and dissociates, and the quality index agent level of ripe cocoon has obtained very greatly
Raising, cleaning, cleaning, strength, obvolvent index improve, and solution silk rate is high, high-quality, and production efficiency is high, porcelain eye do not gamble substantially,
Product node is few, and simple for process, easy to operate, and production cost is low, and heat-treated is less, can preferably keep natural raw silk only
Special style.
In order to achieve the above object, present invention employs following technical schemes：
A kind of cocoon cooking process of fresh cocoon infiltration, includes the following steps：
(1) fresh cocoon refrigeration：It will be packed into the cocoon basket breathed freely in six faces from the fresh cocoon of silkworm raiser's purchase back, every basket of cocoon fills fresh cocoon amount
2~6d of refrigeration in cocoon storage room is stacked in no more than 4/5ths of its capacity, then cocoon basket triangle disposition, opens the pumping of cocoon storage room
Then cocoon basket is stacked up in 12~8 DEG C of ﹣ by wind turbine, control temperature again, heap height is no more than ten cocoon baskets, and control temperature is in ﹣ 26
DEG C~low temperature of 18 DEG C of ﹣ in quick-frozen 1.5~3.5h, cocoon storage room relative humidity controls always 75~78%；
(2) it selects silkworm, thaw：By by refrigeration fresh cocoon be placed under ordinary ray, at room temperature balance thaw and by
Cocoon sorting machine cooperation manually selects silkworm, removal light defective cocoon, dupion, under rotten cocoon, the fresh cocoon chosen using microwave preheating processing make it is fresh
Cocoon thaws completely；
The processing of (3) one sub-percolations：First the fresh cocoon that step (2) has been thawed is put into vacuum pump, then vacuum pump is vacuumized
It spends for after 0.091~0.096Mpa, adds in 32~35 DEG C of penetrating fluid, water inlet is higher by 5~10cm of cocoon, and the time of osmotic absorbent is
6~10min；
(4) it is ultrasonically treated：The fresh cocoon that one sub-percolation is handled well carries out 20~30min of ultrasonication, during supersound process
The water temperature of control bubble cocoon is 28~32 DEG C, and ultrasonic frequency is 45~55KHZ, ultrasonic power is 600~700W；
(5) second permeation is handled：The cocoon being ultrasonically treated is put into vacuum machine, is 0.093 by vacuum machine suction
After~0.095Mpa, 32~35 DEG C of penetrating fluid is added in, 8~10cm of silk cocoon is higher by into water volume, vacuumizes, absorbs water, arranges every time
The time of water is 6~8min；
(6) cocoon cooking：Second permeation treated cocoon is sent into cocoon cooking machine and carries out cocoon cooking, when cocoon cooking controls the temperature of cocoon cooking water
It is 6~8min for 55~65 DEG C, time, PH controls are 4.5~5.5；
(7) cocoon is steamed：It steams cocoon to carry out under the conditions of 100 ± 1 DEG C, the time is 10~15min；
(8) go out cocoon：The silk cocoon that is obtained in step (7) is water-cooled to room temperature by 30~40 DEG C, is then fed into filature
Workshop.
Further, around step (1), the cocoon basket and cocoon storage room wall keep 25~35cm space.
Further, in step (2), the microwave power of the microwave preheating processing is 350~450W, microwave frequency is
2500MHz, microwave time are 10~14min.The energy level of the silk gum of silk cocoon, fibroin and pupal cell protein molecular is about 10~19J,
The energy level of free water molecule is 1.6 × 10-23~1.7 × 10-24J, and microwave energy level is the same order of magnitude with hydrone, with silk gum
Deng energy level difference it is larger.When Microwave Pretreatment freezes fresh cocoon, polar water molecules can quickly absorb microwave energy and be converted into
Thermal energy, which is realized, efficiently to thaw；Microwave permeability occasioned good, the position (internal pupal cell) more than moisture obtains more energy；Fresh cocoon solution
Freeze energy of the subsequent continued access by microwave, hydrone will heat up, and is formed in fresh cocoon and (contained from pupal cell (water content up to 75%) to cocoon layer
Water about 20%) the steam stream of outer layer；Under high-temperature water molecular action, the space structure of sericin changes sericin within cocoon layer
Become, cause sericin modification, changed from silk gum I to IV direction of silk gum, the water-soluble of silk gum declines.The microwave time is longer, and silk gum becomes
Property is more apparent.Since pupal cell water content is high inside fresh cocoon, microwave energy absorption is fast, quick heating, under the action of high power microwave,
The phenomenon that being likely to occur the cocoon layer explosion when being brought rapidly up, so using low-power (ensureing that silkworm chrysalis does not burst), (ensureing for a long time
Sericin within cocoon layer partial denaturization) Microwave Pretreatment requirement.
The characteristics of Microwave Pretreatment, is：Microwave, which can penetrate cocoon layer, to be goed deep into inside pupal cell heating, and is made in cocoon layer and pupal cell
Moisture is rapidly heated, and realizes the efficient defrosting for freezing fresh cocoon；It can make silk outer layer silk gum partial denaturization again simultaneously, change silk silk
The molecular structure of xanthan molecule reduces the solubility of silk gum, improves the stability of silk gum.Microwave Pretreatment requirement：Low-power, it is long when
Between, ensure that silkworm chrysalis does not burst.The purpose of Microwave Pretreatment is fresh cocoon quick-thawing and silk gum equably partial denaturization.
Further, in step (3) and step (5), the penetrating fluid is sodium carbonate liquor, and the sodium carbonate liquor
PH value is 7.5~7.8.
Further, it in step (5), often completes once vacuumize, absorb water, after drain operation, checks cocoon layer infiltration situation,
If Jian Ceng No have complete infiltration, repetition vacuumizes water suction, drain operation, until cocoon layer permeates.
Further, in step (7), steam pressure is 0.92~0.96Mpa during the steaming cocoon, steam PH controls 4~
5。
Further, water used in processing procedure is mountain spring water.
Product made of the present invention is after testing：42~45D of average fineness；Fineness deviation ratio is：1.85~2.10%；Fracture
Intensity is：3.21~3.45CN/dtex；Elongation at break is：28.2~29.5%；Obvolvent number is：29~31 times；Items refer to
Mark reaches 5A grades or more, complies fully with standard GB/T/T14578-2003.
Equipment used in the present invention is the conventional equipment used in the production technology of this field, and the operation of each equipment,
Parameter etc. is carried out according to routine operation, has no special feature.
Raw materials used in the present invention is to commonly use raw material in the production of this field, can be obtained from market, and for production
As a result it will not have an impact.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
(1) reticular structure of silk cocoon cocoon layer surface has natural moisture-resistant lubricant nature and its overlapping staggeredly, make cocoon layer be not easy by
Hydrone infiltration infiltration, and the osmotic effect of cocoon layer directly affects the quality being smoothed out with raw silk of filature.In order to improve
The yield and quality of raw silk, the present invention properly increase percolating solution temperature in vacuum infiltration cocoon cooking, make each site absorption of cocoon layer
Certain moisture is promoted the infiltration of silk cocoon soak, is improved the water suction osmotic effect of cocoon layer, reduction silk is deadlocked irregular by uniformly penetrating
With the sequence dissociation of silk when promoting filature.
(2) The present invention reduces the cocoon drying processes of traditional handicraft, reduce fuel consumption, energy-saving and emission-reduction；Pass through the processing side
Method makes the unwinding of fresh cocoon be improved 8~12%, and the labor productivity of filature improves 11~13%, the quality index agent of ripe cocoon
Level is greatly improved, and cleaning, cleaning, strength, obvolvent index improve a lot.
(3) processing method of the present invention so that cocoon seepage velocity is fast, efficient, simple to operate, can greatly reduce fuel
With the workload of staff, environmentally safe and simple for process, easy to operate, production cost is low, and heat-treated is less,
The unique style of natural raw silk can preferably be kept.
(4) present invention using Refrigeration Technique it is quick, preserve fresh cocoon for a long time, eliminate the work of a large amount of cocoon dryings when receiving cocoon, section
The about energy is avoided influence of the cocoon drying process to silkworm cocoon reelability, and is become using expansion of the cocoon layer hydrone in freezing process
Property, intermolecular generate of silk gum is promoted to relatively move, further improves silkworm cocoon reelability；Cocoon cooking uses cryogenic vacuum osmosis process, makes
Protein, fat in fresh cocoon are molten releases few, reduce the deadlocked power between silk, fresh cocoon opens steady, rower size index comprehensive
Score improves 0.8~1.2 point, reaches 5A grades of products, solution silk rate is high, high-quality, and production efficiency is high, and porcelain eye is not gambled substantially, product
Node is few.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, preferred embodiment is enumerated below, to this hair
Bright further description.However, it is necessary to illustrate, many details listed in specification are used for the purpose of making reader to this
There are one thorough explanations for the one or more aspects of invention, can also realize the present invention's even without these specific details
These aspects.
Embodiment 1
A kind of cocoon cooking process of fresh cocoon infiltration, includes the following steps：
(1) fresh cocoon refrigeration：It will be packed into the cocoon basket breathed freely in six faces from the fresh cocoon of silkworm raiser's purchase back, every basket of cocoon fills fresh cocoon amount
No more than 4/5ths of its capacity, then cocoon basket triangle disposition is stacked in cocoon storage room and refrigerates 2d, open the exhausting of cocoon storage room
Then cocoon basket is stacked up in 12 DEG C of ﹣ by machine, control temperature again, heap height is no more than ten cocoon baskets, and control temperature is in 26 DEG C DEG C of ﹣
Low temperature in quick-frozen 1.5h, cocoon storage room relative humidity controls always 75%；Wall is kept around the cocoon basket and cocoon storage room
The space of 25cm；
(2) it selects silkworm, thaw：By by refrigeration fresh cocoon be placed under ordinary ray, at room temperature balance thaw and by
Cocoon sorting machine cooperation manually selects silkworm, removal light defective cocoon, dupion, under rotten cocoon, the fresh cocoon chosen using microwave preheating processing make it is fresh
Cocoon thaws completely；The microwave power of microwave preheating processing is 350W, microwave frequency 2500MHz, the microwave time for 10~
14min；
The processing of (3) one sub-percolations：First the fresh cocoon that step (2) has been thawed is put into vacuum pump, then vacuum pump is vacuumized
It spends after 0.091Mpa, to add in 32 DEG C of penetrating fluid, water inlet is higher by cocoon 5cm, and the time of osmotic absorbent is 6min；
(4) it is ultrasonically treated：The fresh cocoon that one sub-percolation is handled well carries out ultrasonication 20min, and when supersound process controls
The water temperature for steeping cocoon is 28 DEG C, ultrasonic frequency 45KHZ, ultrasonic power 600W；
(5) second permeation is handled：The cocoon being ultrasonically treated is put into vacuum machine, is by vacuum machine suction
After 0.093Mpa, 32 DEG C of penetrating fluid is added in, silk cocoon 8cm is higher by into water volume, vacuumizes, absorbs water every time, the time of draining is
6min；It often completes once vacuumize, absorb water, after drain operation, checks cocoon layer infiltration situation, if Jian Ceng No have complete infiltration, weight
Water suction, drain operation are vacuumized again, until cocoon layer permeates；
(6) cocoon cooking：Second permeation treated cocoon is sent into cocoon cooking machine and carries out cocoon cooking, when cocoon cooking controls the temperature of cocoon cooking water
It it is 55 DEG C, time 6min, PH are controlled 4.5；
(7) cocoon is steamed：It steams cocoon to carry out under the conditions of 100 ± 1 DEG C, time 10min；Steam pressure is during the steaming cocoon
0.92Mpa, steam PH are controlled 4；
(8) go out cocoon：The silk cocoon that is obtained in step (7) is water-cooled to room temperature by 30 DEG C, is then fed into filature workshop
.Water used in processing procedure is mountain spring water.
Further, in step (3) and step (5), the penetrating fluid is sodium carbonate liquor, and the sodium carbonate liquor
PH value is 7.5.
The present embodiment finished silk is after testing：Average fineness 42.32D；Fineness deviation ratio is：2.03%；Fracture strength is：
3.32CN/dtex；Elongation at break is：28.6%；Obvolvent number is：29 times；Indices reach 5A grades or more, comply fully with
Standard GB/T/T14578-2003.
Embodiment 2
A kind of cocoon cooking process of fresh cocoon infiltration, includes the following steps：
(1) fresh cocoon refrigeration：It will be packed into the cocoon basket breathed freely in six faces from the fresh cocoon of silkworm raiser's purchase back, every basket of cocoon fills fresh cocoon amount
No more than 4/5ths of its capacity, then cocoon basket triangle disposition is stacked in cocoon storage room and refrigerates 6d, open the exhausting of cocoon storage room
Then cocoon basket is stacked up by machine, control temperature again at 8 DEG C, heap height is no more than ten cocoon baskets, and control temperature is low 18 DEG C of ﹣'s
The quick-frozen 3.5h of middle benefit gas, cocoon storage room relative humidity are controlled always 78%；Wall keeps 35cm's around the cocoon basket and cocoon storage room
Space；
(2) it selects silkworm, thaw：By by refrigeration fresh cocoon be placed under ordinary ray, at room temperature balance thaw and by
Cocoon sorting machine cooperation manually selects silkworm, removal light defective cocoon, dupion, under rotten cocoon, the fresh cocoon chosen using microwave preheating processing make it is fresh
Cocoon thaws completely；The microwave power of microwave preheating processing is 450W, microwave frequency 2500MHz, the microwave time for 10~
14min；
The processing of (3) one sub-percolations：First the fresh cocoon that step (2) has been thawed is put into vacuum pump, then vacuum pump is vacuumized
It spends after 0.096Mpa, to add in 35 DEG C of penetrating fluid, water inlet is higher by cocoon 10cm, and the time of osmotic absorbent is 10min；
(4) it is ultrasonically treated：The fresh cocoon that one sub-percolation is handled well carries out ultrasonication 30min, and when supersound process controls
The water temperature for steeping cocoon is 32 DEG C, ultrasonic frequency 55KHZ, ultrasonic power 700W；
(5) second permeation is handled：The cocoon being ultrasonically treated is put into vacuum machine, is by vacuum machine suction
After 0.095Mpa, 35 DEG C of penetrating fluid is added in, silk cocoon 10cm is higher by into water volume, vacuumizes, absorbs water every time, the time of draining is
8min；It often completes once vacuumize, absorb water, after drain operation, checks cocoon layer infiltration situation, if Jian Ceng No have complete infiltration, weight
Water suction, drain operation are vacuumized again, until cocoon layer permeates；
(6) cocoon cooking：Second permeation treated cocoon is sent into cocoon cooking machine and carries out cocoon cooking, when cocoon cooking controls the temperature of cocoon cooking water
It it is 65 DEG C, time 8min, PH are controlled 5.5；
(7) cocoon is steamed：It steams cocoon to carry out under the conditions of 100 ± 1 DEG C, time 15min；Steam pressure is during the steaming cocoon
0.96Mpa, steam PH are controlled 5；
(8) go out cocoon：The silk cocoon that is obtained in step (7) is water-cooled to room temperature by 40 DEG C, is then fed into filature workshop
.Water used in processing procedure is mountain spring water.
Further, in step (3) and step (5), the penetrating fluid is sodium carbonate liquor, and the sodium carbonate liquor
PH value is 7.8.
The present embodiment finished silk is after testing：Average fineness 43.52D；Fineness deviation ratio is：1.93%；Fracture strength is：
3.29CN/dtex；Elongation at break is：29.2%；Obvolvent number is：30 times；Indices reach 5A grades or more, comply fully with
Standard GB/T/T14578-2003.
Embodiment 3
A kind of cocoon cooking process of fresh cocoon infiltration, includes the following steps：
(1) fresh cocoon refrigeration：It will be packed into the cocoon basket breathed freely in six faces from the fresh cocoon of silkworm raiser's purchase back, every basket of cocoon fills fresh cocoon amount
No more than 4/5ths of its capacity, then cocoon basket triangle disposition is stacked in cocoon storage room and refrigerates 4d, open the exhausting of cocoon storage room
Then cocoon basket is stacked up in 2 DEG C of ﹣ by machine, control temperature again, heap height is no more than ten cocoon baskets, and control temperature is low 22 DEG C of ﹣'s
The quick-frozen 2.5h of middle benefit gas, cocoon storage room relative humidity are controlled always 77%；Wall keeps 30cm's around the cocoon basket and cocoon storage room
Space；
(2) it selects silkworm, thaw：By by refrigeration fresh cocoon be placed under ordinary ray, at room temperature balance thaw and by
Cocoon sorting machine cooperation manually selects silkworm, removal light defective cocoon, dupion, under rotten cocoon, the fresh cocoon chosen using microwave preheating processing make it is fresh
Cocoon thaws completely；The microwave power of microwave preheating processing is 400W, microwave frequency 2500MHz, and the microwave time is
12min；
The processing of (3) one sub-percolations：First the fresh cocoon that step (2) has been thawed is put into vacuum pump, then vacuum pump is vacuumized
It spends after 0.093Mpa, to add in 33 DEG C of penetrating fluid, water inlet is higher by cocoon 8cm, and the time of osmotic absorbent is 8min；
(4) it is ultrasonically treated：The fresh cocoon that one sub-percolation is handled well carries out ultrasonication 25min, and when supersound process controls
The water temperature for steeping cocoon is 30 DEG C, ultrasonic frequency 50KHZ, ultrasonic power 650W；
(5) second permeation is handled：The cocoon being ultrasonically treated is put into vacuum machine, is by vacuum machine suction
After 0.094Mpa, 34 DEG C of penetrating fluid is added in, silk cocoon 9cm is higher by into water volume, vacuumizes, absorbs water every time, the time of draining is
7min；It often completes once vacuumize, absorb water, after drain operation, checks cocoon layer infiltration situation, if Jian Ceng No have complete infiltration, weight
Water suction, drain operation are vacuumized again, until cocoon layer permeates；
(6) cocoon cooking：Second permeation treated cocoon is sent into cocoon cooking machine and carries out cocoon cooking, when cocoon cooking controls the temperature of cocoon cooking water
It it is 60 DEG C, time 7min, PH are controlled 5；
(7) cocoon is steamed：It steams cocoon to carry out under the conditions of 100 ± 1 DEG C, time 13min；Steam pressure is during the steaming cocoon
0.94Mpa, steam PH are controlled 4.5；
(8) go out cocoon：The silk cocoon that is obtained in step (7) is water-cooled to room temperature by 35 DEG C, is then fed into filature workshop
.Water used in processing procedure is mountain spring water.
Further, in step (3) and step (5), the penetrating fluid is sodium carbonate liquor, and the sodium carbonate liquor
PH value is 7.6.
The present embodiment finished silk is after testing：Average fineness 44.01D；Fineness deviation ratio is：1.89%；Fracture strength is：
3.45CN/dtex；Elongation at break is：29.1%；Obvolvent number is：31 times；Indices reach 5A grades or more, comply fully with
Standard GB/T/T14578-2003.
In conclusion the reticular structure of the natural moisture-resistant lubricant nature and its overlapping that have due to silk cocoon cocoon layer surface staggeredly, makes
Cocoon layer, which is not easy to be infiltrated by hydrone, to permeate, and the osmotic effect of cocoon layer directly affects the product being smoothed out with raw silk of filature
Matter.In order to improve the yield and quality of raw silk, the certain moisture of each site absorption of cocoon layer is made to promote the infiltration of silk cocoon by uniformly penetrating
Wetting, and percolating solution temperature is properly increased in vacuum infiltration cocoon cooking, the water suction osmotic effect of cocoon layer is improved, reduces silk glue
The not uniform sequence for promoting silk during filature to dissociate.Processing method of the present invention so that cocoon seepage velocity is fast, efficient, operation letter
Folk prescription just, can greatly reduce fuel and the workload of staff, environmentally safe, and processing cost is low, heat-treated compared with
It is few, it can preferably keep the unique style of natural raw silk.The present invention using Refrigeration Technique it is quick, preserve fresh cocoon for a long time, eliminate
The work of cocoon drying, energy saving during a large amount of receipts cocoons, avoids influence of the cocoon drying process to silkworm cocoon reelability, and utilize cocoon layer moisture
Expansion denaturation of the son in freezing process, promotes silk gum is intermolecular to generate relative movement, further improves silkworm cocoon reelability；Cocoon cooking is adopted
With cryogenic vacuum osmosis process so that molten release of protein, fat in fresh cocoon is lacked, and fresh cocoon is opened steadily, and the big Small Indicators of rower are comprehensive
It closes score and improves 0.8~1.2 point, reach 5A grades of products, solution silk rate is high, and production efficiency is high, and porcelain eye is not gambled substantially, product node
It is few.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, several improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of cocoon cooking process of fresh cocoon infiltration, which is characterized in that include the following steps：
(1) fresh cocoon refrigeration：It will be packed into the cocoon basket breathed freely in six faces from the fresh cocoon of silkworm raiser's purchase back, every basket of cocoon fills fresh cocoon amount and do not surpass
4/5ths of its capacity are crossed, then cocoon basket triangle disposition is stacked in 2~6d of refrigeration in cocoon storage room, open the exhausting of cocoon storage room
Then cocoon basket is stacked up in 12~8 DEG C of ﹣ by machine, control temperature again, heap height is no more than ten cocoon baskets, and control temperature is in 26 DEG C of ﹣
Quick-frozen 1.5~3.5h in the low temperature that 18 DEG C of~﹣, cocoon storage room relative humidity are controlled always 75~78%；
(2) it selects silkworm, thaw：It will be placed under ordinary ray by the fresh cocoon of refrigeration, balance thaws and by selecting silkworm at room temperature
Machine cooperation manually selects silkworm, removal light defective cocoon, dupion, under rotten cocoon, the fresh cocoon chosen using microwave preheating processing make fresh cocoon complete
Complete solution freezes；
The processing of (3) one sub-percolations：First the fresh cocoon that step (2) has been thawed is put into vacuum pump, then is vacuum pump suction
After 0.091~0.096Mpa, add in 32~35 DEG C of penetrating fluid, water inlet is higher by 5~10cm of cocoon, time of osmotic absorbent for 6~
10min；
(4) it is ultrasonically treated：The fresh cocoon that one sub-percolation is handled well carries out 20~30min of ultrasonication, and when supersound process controls
The water temperature for steeping cocoon is 28~32 DEG C, and ultrasonic frequency is 45~55KHZ, ultrasonic power is 600~700W；
(5) second permeation is handled：The cocoon being ultrasonically treated is put into vacuum machine, by vacuum machine suction for 0.093~
After 0.095Mpa, 32~35 DEG C of penetrating fluid is added in, 8~10cm of silk cocoon is higher by into water volume, vacuumizes, absorbs water every time, draining
Time be 6~8min；
(6) cocoon cooking：Second permeation treated cocoon is sent into cocoon cooking machine and carries out cocoon cooking, the temperature of control cocoon cooking water is 55 during cocoon cooking
~65 DEG C, the time for 6~8min, PH control 4.5~5.5；
(7) cocoon is steamed：It steams cocoon to carry out under the conditions of 100 ± 1 DEG C, the time is 10~15min；
(8) go out cocoon：The silk cocoon that is obtained in step (7) is water-cooled to room temperature by 30~40 DEG C, is then fed into filature workshop
.
2. a kind of cocoon cooking process of fresh cocoon infiltration according to claim 1, it is characterised in that：In step (1), the cocoon basket
The space of 25~35cm is kept with wall around cocoon storage room.
3. a kind of cocoon cooking process of fresh cocoon infiltration according to claim 1, it is characterised in that：In step (2), the microwave
The microwave power of the pre-heat treatment is 350~450W, microwave frequency 2500MHz, and the microwave time is 10~14min.
4. a kind of cocoon cooking process of fresh cocoon infiltration according to claim 1, it is characterised in that：In step (3) and step
(5), the penetrating fluid is sodium carbonate liquor, and the pH value of the sodium carbonate liquor is 7.5~7.8.
5. a kind of cocoon cooking process of fresh cocoon infiltration according to claim 1, it is characterised in that：In step (5), one is often completed
It is secondary to vacuumize, absorb water, after drain operation, check cocoon layer infiltration situation, if Jian Ceng No have a complete infiltration, repetition vacuumize water suction,
Drain operation, until cocoon layer permeates.
6. a kind of cocoon cooking process of fresh cocoon infiltration according to claim 1, it is characterised in that：In step (7), the steaming cocoon
When steam pressure be 0.92~0.96Mpa, steam PH control 4~5.
7. the cocoon cooking process permeated according to a kind of fresh cocoon of claim 1~6 any one of them, it is characterised in that：Processing procedure
Water used is mountain spring water.
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| CN108707974A (en) * | 2018-07-31 | 2018-10-26 | 宁南县南丝路集团公司 | A kind of novel cocoon cooking technique |
| CN109234814A (en) * | 2018-07-23 | 2019-01-18 | 安徽三利丝绸集团有限公司 | It is a kind of to guarantee that the two of cocoon quality rushes drying means |
| CN113265708A (en) * | 2021-06-28 | 2021-08-17 | 四川依格尔纺织品有限公司 | Tussah living cocoon reelability silk reeling process |
| CN113293445A (en) * | 2021-06-09 | 2021-08-24 | 江苏富安茧丝绸股份有限公司 | Cocoon cooking method for silkworm cocoons |
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| CN113293445A (en) * | 2021-06-09 | 2021-08-24 | 江苏富安茧丝绸股份有限公司 | Cocoon cooking method for silkworm cocoons |
| CN113265708A (en) * | 2021-06-28 | 2021-08-17 | 四川依格尔纺织品有限公司 | Tussah living cocoon reelability silk reeling process |
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Application publication date: 20180710 |