39results about How to "Improve degumming effect" patented technology

The invention discloses degummed tuna oil and a preparation method thereof.The preparation method of the degummed tuna oil comprises the steps that after Jinjiang crude fish oil is heated to a first preset temperature, a mixed adsorbent is added, stirring and degumming are conducted at the first preset temperature, centrifugation is conducted, and a degummed first solution is obtained, the mixed adsorbent comprises attapulgite and activated clay, the mass ratio of the attapulgite to the activated clay is 1: (3-7), the first preset temperature is 75-78 DEG C, and the mass ratio of the mixed adsorbent to the golden gun crude fish oil is (5-10): 100; heating a first solution obtained by degumming to a second preset temperature, adding a citric acid solution into the system solution, performing ultrasonic treatment, stirring at 60-65 DEG C, cooling and centrifuging to obtain the system solution; and heating the system liquid to a third preset temperature, adjusting the pH value to 5.8-6.2, adding a compound enzyme for degumming, taking an upper-layer oil sample after complete reaction, carrying out microwave treatment, removing water in the oil sample, and carrying out enzyme deactivation to obtain the degummed tuna oil.

The invention provides a single wafer degumming and cleaning device, which comprises a liquid storage tank and at least one group of soaking tanks, at least one bearing seat for bearing a single wafer is assembled in each soaking tank, and a degumming liquid medicine which submerges the upper surface of the wafer supported by the bearing seat is contained in each soaking tank; a spraying assembly is arranged in the soaking tank and located over the bearing base, the spraying assembly is provided with a spraying pipeline and a spraying body, and the liquid storage tank is communicated with the end, penetrating out of the soaking tank, of the spraying pipeline so that the spraying body can spray photoresist removing liquid medicine to the upper surface of the wafer borne by the bearing base. The method is used for solving the problem in the prior art that the subsequent wafer manufacturing process is affected due to the fact that the bonding substance is not softened thoroughly and is difficult to find in a batch wafer soaking mode, and the stripping efficiency of the bonding substance on the surface of the wafer is effectively improved through cooperation of a single-piece soaking mode and a spraying degumming mode.

The invention provides photoresist stripping liquid as well as a preparation method and application thereof. The photoresist stripping liquid comprises the following components in parts by weight: 5-30 parts of quaternary ammonium base; 5 to 30 parts of alcohol amine; 20-45 parts of a polar solvent; 0.5 to 5 parts of a sulfonyl hydrazide corrosion inhibitor; 0.5 to 6 parts of a pyrithiourea corrosion inhibitor; and 15 to 40 parts of deionized water. The photoresist stripping liquid disclosed by the invention has the capability of efficiently removing photoresist, and also shows low corrosivity and high chemical inertness on a base material. The photoresist stripping liquid not only improves the production efficiency of semiconductors, but also reduces the influence of the environment, is suitable for each link in a semiconductor manufacturing process, and is particularly suitable for removing the photoresist of a III-V compound (such as gallium arsenide GaAs) base material and a metal (such as copper Cu) base material.

The invention relates to an anti-aging and firming medical silk fibroin gel dressing and a preparation method thereof, and belongs to the technical field of dressings. According to the invention, a certain amount of deionized water is creatively added into a deep eutectic solvent prepared by using a surfactant hexadecyl trimethyl ammonium chloride as a hydrogen bond acceptor and xylitol as a hydrogen bond donor for dilution, so that a pretreatment agent is prepared and is applied to extraction of silk fibroin; silk is sequentially subjected to pretreatment of a pretreatment agent, degumming of a sodium carbonate aqueous solution, dissolution of a calcium chloride / ethanol / deionized water ternary dissolving agent, dialysis, centrifugation and drying operation, silk fibroin is obtained, the extraction rate is high, and the biological activity is good; irreversible damage and damage caused by high temperature of the silk fibroin in the traditional alkaline degumming process can be effectively reduced, and correspondingly, the obtained silk fibroin can also play more excellent anti-aging and firming effects after being prepared into the dressing.

The utility model relates to the technical field of battery degumming, in particular to a scanning microwave degumming machine which comprises a machine table, a control system is arranged on the machine table, and a conveying device, an imaging device, a detection device, a microwave degumming device and a cleaning device are sequentially arranged on the machine table in the feeding direction. The control system is in control connection with the conveying device, the imaging device, the detection device, the microwave glue removal device and the cleaning device, the conveying device is used for conveying batteries to be subjected to glue removal to the imaging device, the detection device, the microwave glue removal device and the cleaning device one by one, and the imaging device is used for collecting images of the batteries to be subjected to glue removal and identifying the positions of residual glue. The detection device is used for detecting the height of the residual glue, the microwave glue removal device is used for carrying out microwave glue removal on the residual glue, and the cleaning device is used for cleaning decomposed products of the residual glue. The battery degumming device has the advantages that the battery is not prone to being damaged, the degumming efficiency is high, and the degumming action range can be accurately controlled.

The invention belongs to the field of textile, and relates to a linen fiber refined processing technology, which comprises the following steps: beating linen into linen, and carrying out impurity removal treatment on the linen by an impurity removal machine to remove impurities doped in the linen fiber and too short or broken fibers; after the quality of the flax raw material is improved, the flax is beaten into flax, the flax is preheated through a steam channel and then fed into a degumming tank to be soaked in a biological enzyme solution according to the bath ratio of 1: 15 for degumming treatment for 30-60 min, after degumming, the flax is cleaned through clean water added with a softener, and the cleaned flax fiber is subjected to dewatering, oiling and drying treatment; after dust removal treatment and anesthesia, opening treatment and secondary dust removal are carried out on the linen fibers through the opener, so that the use of acid and alkali reagents is completely avoided, the reaction time is shortened, the production cost and the environmental pollution degree are reduced, the environmental pollution problem caused by strong acid and strong alkali is avoided, and meanwhile, the excellent mechanical property is achieved.

The invention discloses a strain for producing pectinase and application of the strain in hemp degumming, and belongs to the technical field of microorganisms. The classification name of the strain for producing pectinase is talaromyces wortmannii, the preservation unit is China General Microbiological Culture Collection Center, the preservation name of the strain is HM01, the preservation number is CGMCC No, 41378, and the preservation date is June 20, 2024; the strain generates pectinase and does not generate cellulase, and the strain fermentation liquor is sprayed to the hemp stems, so that the strain can be colonized and grow on the epidermis of the hemp, and the degumming effect of the hemp can be improved; the device effectively improves the rain and dew degumming effect of the China-hemp, accelerates the rain and dew degumming speed, improves the separation effect of hemp skins and hemp stems of the China-hemp, and promotes the high-quality development of the China-hemp fiber industry.

The utility model relates to the technical field of battery degumming, in particular to a scanning electromagnetic degumming machine which comprises a machine table, a control system is arranged on the machine table, and a conveying device, an imaging device, a detection device, an electromagnetic degumming device and a cleaning device are sequentially arranged on the machine table in the feeding direction. The control system is in control connection with the conveying device, the imaging device, the detection device, the electromagnetic degumming device and the cleaning device, the conveying device is used for conveying to-be-degummed batteries to the imaging device, the detection device, the electromagnetic degumming device and the cleaning device one by one, and the imaging device is used for collecting images of the to-be-degummed batteries and identifying the positions of residual gum. The detection device is used for detecting the height of the adhesive residue, the electromagnetic adhesive removing device is used for electromagnetically removing the adhesive residue, and the cleaning device is used for cleaning decomposed products of the adhesive residue. The battery degumming device has the advantages that the battery is not prone to being damaged, the degumming efficiency is high, and the degumming action range can be accurately controlled.

The invention discloses a nanoimprint template adhesive and a preparation method thereof, and relates to the technical field of nanoimprint. The preparation method comprises the following steps: providing polyurethane modified acrylate resin, perfluoropolyether acrylate resin, a fluorocarbon diluent, a polyfunctional group cross-linking agent, an auxiliary agent, a cationic initiator and a free radical initiator; the nanoimprint template adhesive is prepared from the polyurethane modified acrylate resin, perfluoropolyether acrylate resin, a fluorocarbon diluent, a polyfunctional group cross-linking agent, an auxiliary agent, a cationic initiator and a free radical initiator. The invention aims to solve the problems that in the transfer printing process of existing template glue, mother set residual glue is prone to occurring and difficult to clean, and demolding is difficult after coining.

The invention discloses a supercritical carbon dioxide antibacterial fiber degumming reaction kettle, and particularly relates to the technical field of raw material fiber degumming, the supercritical carbon dioxide antibacterial fiber degumming reaction kettle comprises a kettle body, a fiber raw material and a liquid inlet, stirring blades are installed in the kettle body, a rotating motor is installed at the top of the kettle body, and the rotating motor is used for driving the stirring blades to rotate; two feeding holes communicated with the interior of the kettle body are symmetrically formed in the top end of the kettle body; the two groups of supporting and degumming assemblies are used for winding and fixing the fiber raw materials and enabling the wound fiber raw materials to be positioned in the kettle body to be tensioned and degummed; through the arrangement of the stand columns and the contact frame, fiber raw materials can be wound on the contact frame, the fiber raw materials are kept in a tensioned state in the kettle body, the situation that the fiber raw materials are in contact and wound in the kettle body can be prevented, and the fiber raw materials can well permeate into liquid in supercritical carbon dioxide in the kettle body; the degumming effect of the fiber raw material is improved, and the loss of the hemp bast fiber by the degumming reaction kettle is reduced.

The application discloses rapeseed oil refining equipment and a refining process thereof, and relates to the technical field of extraction and refining, which comprises a refining tank, supporting legs are fixedly connected to the bottom of the refining tank, a base is fixedly connected to the bottom of the supporting legs, a feeding inlet is threadedly connected to the top of the refining tank, a driving device is fixedly connected to the top of the refining tank, a refining stirring mechanism is arranged on the inner wall of the refining tank, the oil material can maintain a suitable temperature environment in the stirring process through the refining stirring mechanism, the precipitation and condensation of phospholipids are accelerated, the influence of low temperature on the condensation effect of phospholipids is prevented, the deterioration of oil caused by high temperature is avoided, the inside of the refining tank is uniformly heated at different positions through synchronous stirring, compared with the uneven heating of a single position of a traditional heating rod, the circulating flow heat conduction liquid is matched with the rotary stirring mode of the driving rod, so that the temperature control of the whole degumming process is more uniform and stable.

This invention relates to an integrated process apparatus and method for degumming Apocynum venetum, comprising a raw material pretreatment unit, a microwave-ultrasound synergistic pretreatment unit, a composite enzyme gradient degumming unit, a post-treatment unit, and an enzymatic hydrolysis product recovery unit connected in sequence. Each unit is connected via a sealed conveying mechanism. The invention also includes a central control system electrically connected to each unit to regulate its process parameters. A waste liquid conveying pipeline connects the composite enzyme gradient degumming unit and the enzymatic hydrolysis product recovery unit. The output of the enzymatic hydrolysis product recovery unit is connected to the composite enzyme gradient degumming unit via a reflux pipeline, enabling the recycling of biological enzymes. The method of this invention is simple, convenient to operate, and achieves good degumming effect. It yields high-quality Apocynum venetum fiber with high extraction rate, retains a large number of natural active ingredients, and realizes the high-value utilization of Apocynum venetum fiber.

The utility model belongs to the technical field of airport runway cleaning, and particularly relates to an airport runway foreign matter detecting and cleaning robot which comprises an airport runway glue removing machine body and two high-pressure water gun discs, a mounting support is fixedly connected to the front end of the airport runway glue removing machine body, and a position adjusting motor is mounted in the mounting support. The bottom end of an output shaft of the position adjusting motor is fixedly connected with a supporting top cover, and the inner wall of the top end of the supporting top cover is fixedly connected with an L-shaped water body negative pressure suction head. The direction of the supporting top cover can be adjusted through cooperation of the mounting support and the position adjusting motor, so that the two high-pressure water gun discs are adjusted to be vertically arranged at the low temperature, the high-pressure water gun disc on the front side is used for deicing an airport runway and preheating glue, and the high-pressure water gun disc on the rear side is used for crushing and removing the glue on the airport runway. And the L-shaped water body negative pressure suction head is used for absorbing the water body, so that the water body is prevented from freezing on the runway after being gathered, and the degumming effect of the device in low-temperature weather is improved.

The present invention discloses a method for improving the degumming effect of DES on hemp / hemuff fiber by using cysteine, and belongs to the technical field of natural fiber extraction and utilization. The method for improving the degumming effect of DES on hemp / hemuff fiber by using cysteine ​​is specifically to mix cysteine ​​with a low eutectic solvent DES to prepare a degumming solution; then immerse the hemp / hemuff fiber in the prepared degumming solution, degumming the hemp / hemuff fiber by heating drive or electric drive, and washing and drying after the degumming is completed. This method not only improves the selective removal of lignin, but also reduces the damage to the fiber strength, thereby achieving a better degumming effect.

The utility model relates to the technical field of ceramic product production, and discloses a tool for glue discharging, which comprises a first substrate and a second substrate which are stacked from bottom to top, first gas flow channels are uniformly distributed on first end surfaces and second end surfaces of the first substrate and the second substrate along a first direction at intervals, and second gas flow channels are uniformly distributed on second end surfaces of the first substrate and the second substrate along a second direction at intervals. Second gas flow channels are evenly distributed on the first end faces and the second end faces of the first base plate and the second base plate at intervals in the second direction, the first gas flow channels and the second gas flow channels are the same in depth and are arranged in a crossed mode, and vent holes are formed in the crossed positions of the first gas flow channels and the second gas flow channels. The glue discharging device has the beneficial effects that the upper surface of a product is shielded in the glue discharging process, impurities are prevented from being attached to the upper surface of the product, meanwhile, the temperature of the product is uniformly distributed in the glue discharging process, the product can be in contact with reducing gas, carbon impurity residues are avoided, the glue discharging effect is improved, and the yield is improved.

The utility model relates to the technical field of textile, in particular to a linen fiber degumming device which comprises a base, a through hole is formed in the inner bottom wall of a groove in the top end of the base in a penetrating mode, shells are arranged on the left side and the right side of the top end of the base respectively, and a motor is detachably arranged on one side of the inner bottom wall of each shell. A lead screw is locked at the output end of the motor through a coupler, the other end of the lead screw is fixedly connected with the inner wall of the shell through a first bearing, a connecting base is in threaded connection with the outer wall of the lead screw, and the top end of the connecting base extends out of the shell and is provided with a supporting base. According to the linen fiber degumming device, the cleaning mechanism is adopted to wash linen fibers with dissolved liquid after degumming, the cleaning mechanism is provided with the spray head and the roller, the linen fibers are diluted through the spray head, the liquid in the linen fibers is pressed out through the roller, and thorough degumming operation on the linen fibers is achieved; degumming effect and production quality of the linen fiber are improved, and later processing of the linen fiber is facilitated.

The invention discloses a multifunctional curing pad for blocking concrete curing cracks and a using method of the multifunctional curing pad. The curing pad comprises a water retention layer, a urease layer, a delayed coagulation layer and a waterproof frame. The water retention layer, the urease layer and the retarding layer are sequentially arranged on the upper surface of the concrete curing roof from top to bottom, geotechnical cloth is arranged between the urease layer and the retarding layer, geotechnical cloth is arranged between the water retention layer and the urease layer, geotechnical cloth is arranged on the upper surface of the water retention layer, and geotechnical cloth is arranged on the lower surface of the retarding layer. The waterproof frame is connected to the upper surface of the concrete curing roof and wraps the outer edge of a whole composed of the water retention layer, the urease layer, the retarding layer and the geotechnical cloth, the urease layer is filled with a urease solution, and the retarding layer is filled with a retarder. According to the method, carbonate ions generated in a urease solution and calcium ions in a calcium chloride solution are combined to generate gelled crystals according to the principle that calcium carbonate is induced by microorganisms, so that cracks and pore diameters generated in the concrete structure curing period are blocked and filled in time, and the concrete structure is effectively prevented from cracking.

The invention provides a glass photoresist removing solution as well as a preparation method and application thereof. The glass photoresist removing solution is prepared from the following components in parts by weight: 10 to 20 parts of a flexible glue solvent, 5 to 10 parts of a penetrant, 6 to 12 parts of a solubilizer, 1 to 3 parts of a protective agent and 60 to 80 parts of water. The glass degumming liquid provided by the invention is mild in use condition and good in degumming effect, and glass after degumming is high in cleanliness, low in scratch rate and high in visible light transmittance.

The present invention provides a single-chip wafer degumming and cleaning device, comprising: a liquid storage tank and at least one group of soaking tanks, wherein at least one supporting seat for supporting a single wafer is installed in the soaking tank, and the degumming liquid that covers the upper surface of the wafer supported by the supporting seat is contained in the soaking tank; a spray assembly is arranged in the soaking tank just above the supporting seat, and the spray assembly has a spray pipe and a spray body, and the liquid storage tank is connected to one end of the spray pipe passing through the soaking tank so that the spray body sprays the degumming liquid onto the upper surface of the wafer supported by the supporting seat. The present invention is used to solve the problem that the adhesive may not be completely softened and is difficult to be found in the batch soaking wafer method in the prior art, which affects the subsequent wafer process, and effectively improves the stripping efficiency of the adhesive on the wafer surface by combining the single-chip soaking method with the spray degumming method.

The invention provides a degumming and rinsing device and a degumming machine, and belongs to the field of silicon wafer processing.The degumming and rinsing device comprises at least one degumming and rinsing unit, and each degumming and rinsing unit comprises a degumming module and a rinsing module, each of the degumming module and the rinsing module comprises a box body, an inner support frame group, a hydraulic control assembly, a heating assembly and a bubbling assembly, the degumming module is provided with a degumming spraying assembly, and the rinsing module is provided with a rinsing vibration assembly; the top of the degumming module and the top of the rinsing module which are transversely arranged side by side share a transversely-moving cover plate assembly, the longitudinal space occupation is small, the linkage and degumming effects are good, the efficiency is high, and the device is convenient to popularize and apply in the fields of degumming, cleaning and the like of silicon wafers in the industries of photovoltaics, semiconductors and the like.

The utility model discloses a kind of with fibre pottery ceramic ferrule cylindrical surface degumming device, including scraping glue support seat, insert core support seat, top into mobile assembly and top out mobile assembly, scraping glue support seat top is connected with scraping glue car spare by fixed structure, scraping glue hole is formed in scraping glue car spare for ceramic ferrule to wear into and carry out friction scraping glue;The insert core support seat is arranged below scraping glue car spare one end and is formed with accommodating groove thereon, and the insert core support seat is connected with height adjusting assembly for driving it to move along vertical direction;The top into mobile assembly is connected with insert core top block;The top out mobile assembly is connected with top out rod located outside another end of scraping glue hole;For driving top out rod to slide into scraping glue hole and top out ceramic ferrule to accommodating groove;Compared with prior art, improve degumming efficiency;And 360 degrees degumming is realized to ceramic ferrule, and degumming effect is enhanced;While greatly reduce the probability of damage on ceramic ferrule surface.

This invention relates to a degumming composition, its preparation method, and the degumming method thereof. The degumming composition comprises the following components in weight percentages: 84%–93.5% degumming solvent, 3%–5% solvent oil, 0.5%–3% solid wax, 1%–3% organobentonite, and 2%–5% polar activator; wherein the degumming solvent includes one or more of dichloromethane, N-methylpyrrolidone, and ethylene glycol monobutyl ether. This invention combines the degumming solvent, solid wax, solvent oil, organobentonite, and polar activator in a specific ratio, achieving synergistic effects among the components to obtain a degumming composition with slow evaporation and short degumming time.

The utility model discloses an automatic degumming machine for a patch alloy resistor, which comprises a first mounting seat and a second mounting seat, the first mounting seat and the second mounting seat are vertically arranged in a mirroring manner, the first mounting seat is fixedly connected with the second mounting seat, the right side of the first mounting seat is fixedly connected with a feeding seat, and the right side of the feeding seat is fixedly connected with a discharging seat. The top of the feeding seat is connected with a material pushing plate, alloy resistors are connected to the material pushing plate in a clamped mode at equal intervals, transverse feeding and discharging are more stable, glue removing can be conducted on the alloy resistors in a targeted mode through an annular sponge pad, glue removing operation can be conducted through the annular sponge pad fully, a glue removing agent can be effectively used for soaking the annular sponge pad, and the glue removing efficiency is improved. According to the adhesive removing device for the alloy resistor, the using amount of the adhesive removing agent can be better saved, the situation that the adhesive removing agent is wasted is avoided, the adhesive removing effect of the alloy resistor can be further improved through the warm environment, and the adhesive removing agent sprayed on the annular sponge pad can be evenly contacted and absorbed through the material homogenizing plate.

The invention discloses a method for preparing long hemp yarn based on photocatalysis and organic acid treatment combined degumming, which comprises the following steps: (1) beating hemp bast into hemp, and carding into long hemp bundles; (2) processing the long hemp bundles into hemp strips, drafting, combining, drafting and twisting, and winding to obtain rough hemp yarns; (3) pretreating the hemp roving with a weak acid reagent, taking out, washing with water, and drying; (4) putting the rough hemp yarn into a degumming solution containing a photocatalyst for light treatment, taking out the rough hemp yarn, washing the rough hemp yarn with water, and drying the rough hemp yarn to obtain degummed rough hemp yarn; and (5) drafting the degummed hemp roving, twisting into yarn, drying, and winding the yarn on a bobbin to obtain finished hemp spun yarn, namely the long hemp yarn. According to the method, pectin, lignin and other non-cellulose colloid components in the jute fibers are removed through the combination of the photocatalyst and the organic acid, the degumming condition is mild, the damage effect on the jute fibers is small, the organic acid can be recycled, generated waste liquid is little, and pollution to the environment is small.

The invention discloses a preparation process of a double-sided array pattern coated optical glass substrate. During exposure, double-sided low-reflection glass is used as a base plate of the lower layer of the thick glass substrate, so that reflected light is prevented from interfering with an exposure pattern form, and the pattern form is more accurate; according to the method, the sound wave degumming means is adopted for degumming, and ultrasonic cleaning and degumming by soaking with the degumming liquid are combined, so that the degumming effect is better, the degumming time is shortened, and the pattern morphology is better; the photoresist spin-coating process is combined with fixture gluing, center positioning of the square substrate is facilitated, it can be guaranteed that the center of the substrate coincides with the center of the platform under the condition that the substrate is provided with or not provided with a light-transmitting film layer, product damage caused by uneven stress of the substrate in the horizontal direction is prevented, uniformity of the photoresist thickness is guaranteed, and the yield of the product is improved. And the use amount of the photoresist can be reduced.

The utility model discloses a wafer degumming jig and wafer degumming equipment, and relates to the technical field of wafer degumming, the jig comprises a first degumming brush seat and a second degumming brush seat, the first degumming brush seat and the second degumming brush seat are arranged oppositely, and the first degumming brush seat and the second degumming brush seat are arranged oppositely. An assembling ring groove used for containing the edge of a wafer is formed between the first degumming brush base and the second degumming brush base, a plurality of first brush heads are arranged on the side, close to the second degumming brush base, of the first degumming brush base, and a plurality of second brush heads are arranged on the side, close to the first degumming brush base, of the second degumming brush base. The first brush head and the second brush head are arranged in the assembling ring groove and are configured to remove residual glue on the edge of the wafer. Compared with the prior art, the embodiment of the utility model adopts a double-head design, the first brush head and the second brush head are utilized to simultaneously realize the photoresist removing action on the edge of the wafer, the residual photoresist on the edge of the wafer can be effectively removed, the effect is higher, and the photoresist removing effect is better.

This invention discloses a water-based adhesive-removing aerosol and its preparation method, relating to the field of daily chemical product technology. The water-based adhesive-removing aerosol comprises the following components by weight percentage: 60-92% water-in-oil emulsion; 8-40% LPG propellant; the water-in-oil emulsion includes an oil phase and an aqueous phase; the weight ratio of the oil phase to the aqueous phase in the water-in-oil emulsion is 1:(1-5); the oil phase includes a mixture of terpenes and emulsifiers or a mixture of terpenes, alkane solvents, and emulsifiers, wherein the terpenes account for ≥15% of the weight of the oil phase. The water-based adhesive-removing aerosol and its preparation method provided by this invention, using a combination of a water-in-oil emulsion and liquefied petroleum gas (LPG) propellant, significantly reduces the amount of organic solvents used, lowers the VOC content of the product, and reduces the flammability hazard of the aerosol.

The invention provides a composition capable of removing imprint glue and reinforcing and protecting optical gratings. The composition comprises 5-30% of a compound surfactant, 20-70% of a compound organic solvent and 0.1-5% of a metal corrosion inhibitor, and the 20-70% of the compound organic solvent comprises 1-10% of unsaturated hydrocarbon and derivatives thereof and 20-60% of aromatic compounds. The composition disclosed by the invention is used for rapidly and efficiently removing the imprinting glue in a nano imprinting process, solves the problem that residues are generated due to too strong crosslinking property of the glue, and has compatible protectiveness on a grating structure at the bottom. In addition, the composition disclosed by the invention does not cause damage to equipment such as a filter element in a recycling process.

The invention relates to the technical field of biology, and discloses a bast fiber biodegradation degumming treatment device which solves the problem that at present, bast fibers and a microorganism culture solution are difficult to fully stir, the bast fiber biodegradation degumming treatment device comprises a stirring tank, an adjusting mechanism and a stirring mechanism are arranged in the stirring tank, and a driving mechanism is arranged at the top of the stirring tank; according to the device disclosed by the invention, through cooperation between the outer cylinder and the annular groove as well as between the stirring rods I and the limiting grooves, when the inner cylinder rotates, each stirring rod I can rotate, then hemp fibers can be uniformly distributed in the stirring tank and are in full contact with a microorganism culture solution, and through cooperation between the bidirectional screw rod and the screw cylinder as well as between the bidirectional screw rod and the guide rod, the stirring efficiency is improved; when the two-way screw rod rotates, the outer cylinder is conveniently driven to longitudinally move in the inner cylinder, and then the height of the stirring rod I can be adjusted, so that hemp fibers and a microorganism culture solution are conveniently and fully stirred, the hemp fibers are uniformly degraded by microorganisms, and the degumming effect is improved.

The invention provides a chemical and biological enzyme combined degumming method for apocynum venetum fibers, which comprises the following steps: adding apocynum venetum treated by organic acid into an immobilized enzyme gel treatment solution, and finally adding the apocynum venetum into an oxidant treatment solution to obtain the apocynum venetum fibers. The immobilized enzyme gel treatment liquid can be recycled, the weight loss rate of the prepared apocynum venetum fiber is about 50%, the residual gum rate is about 3%, the whiteness is about 80%, the degumming effect is guaranteed, meanwhile, the concentration of the used alkali liquor is reduced, and the problems that a traditional chemical degumming method is large in alkali consumption and serious in environmental pollution are solved.