15results about How to "Improve bulk" patented technology

This invention discloses a meltblown material with antibacterial and sound-insulating properties, its preparation method, and its application, relating to the field of meltblown fabric production technology. By adjusting the spinning equipment, the angle θ between the spinneret and the condensing screen, the vertical distance L between them, and other process parameters, the fiber packing pattern and packing density can be altered to obtain a meltblown material with a three-dimensional structure. This increases the specific surface area of ​​the meltblown material, effectively improving its sound absorption and heat insulation effects under the same resistance conditions, and also exhibiting good antibacterial properties. Furthermore, it improves the uniformity of the transverse fibers in the meltblown fabric, reduces the difference in mechanical properties between the transverse and longitudinal directions, increases the fiber bonding strength during the meltblowing process, and thus increases the mechanical strength of the meltblown material. This effectively mitigates the problem of decreased sound absorption efficiency in the obtained meltblown material, and the resulting meltblown material has high bulkiness.

The invention discloses a super-soft and high-bulkiness melt-blown warm-keeping flocculus which is prepared from composite melt-blown fibers through airflow drafting, layered net forming and low-temperature shaping, and the composite melt-blown fibers comprise the following raw material components in percentage by weight: 10-15% of modified polylactic acid elastomer, 10-20% of polyester staple fiber, 10-20% of polyester staple fiber, 10-20% of polyester staple fiber, 10-20% of polyester fiber, 10-20% of polyester fiber, 10-20% of polyester fiber, 10-20% of polyester fiber, 10-20% of polyester fiber the content of the polypropylene melt-blown fiber is 65%-75%, the antistatic modifier is 1%-3%, and the softening agent is 0.5%-2%. The invention also discloses a preparation method of the melt-blown warm-keeping flocculus, the production process is simple, the raw materials in the formula are easy to obtain, and the production efficiency is high; the prepared warm-keeping flocculus is more excellent in warm-keeping performance, and compared with traditional warm-keeping materials such as down feather, cotton and cotton-like chemical fibers, the warm-keeping flocculus has the low-carbon and environment-friendly excellent comprehensive performance such as good compression resilience, water resistance, moisture absorption resistance, no caking after water washing, no reduction of the warm-keeping effect after outdoor water spraying and the like, and has a very wide application prospect.

The utility model discloses a kind of light-absorbing heating fabric of fluffiness warmth retention, it relates to knitted fabric field, including high fluffiness outer layer, the high fluffiness outer layer is provided with two layers of upper and lower;Warmth retention inner layer fiber layer, the warmth retention inner layer fiber layer is set between two layers of high fluffiness outer layer of upper and lower;Wherein, the warmth retention inner layer fiber layer is made of light-absorbing heating polyester spinning, and fluff layer is respectively formed on upper and lower surfaces by pulling wool and cutting wool process respectively by forming fluff layer on the upper and lower surfaces of warmth retention inner layer fiber layer, utilize the air thermal insulation effect of fluff layer, the warmth retention ability of fabric is significantly improved.In addition, the warmth retention inner layer fiber layer made of light-absorbing heating polyester spinning can absorb external light and convert into heat, further enhance the warmth retention effect.

The utility model discloses a flax fiber processing and wire arranging device, and belongs to the technical field of wire arranging. The flax fiber processing and thread arranging device comprises a trapezoidal thread arranging frame, a thread separating assembly is arranged at the large end of the thread arranging frame, and a kneading and pressing assembly is arranged on the upper portion of the interior of the thread arranging frame; the kneading and pressing assembly comprises a kneading and pressing plate located in the wire arranging frame, the lower end face of the kneading and pressing plate is fixedly connected with a silica gel plate with the lower end face in an inclined state, by moving the kneading and pressing plate downwards, the inclined face of the silica gel plate can be attached to the gathered and dispersed linen fiber rope sets at the same time, and all-around contact can be achieved regardless of the thickness of the fiber rope sets; and no dead angle exists in kneading and covering, and a uniform raw material basis is provided for subsequent processing. The motor drives the stirring block to rotate, the kneading and pressing plate is driven to horizontally move in a reciprocating mode under the constraint of the limiting groove and the limiting column, the silica gel plate continuously kneads and presses the linen fiber rope, bonded fibers are effectively pressed to be scattered, local hardening is reduced, the filling power of the fiber rope is improved, and follow-up processing can be better carried out.

The application belongs to the technical field of modified functional fibers, and particularly relates to a manufacturing method of high-bulkiness special-shaped hollow fibers. The low-crystalline polyester chip is obtained by modifying the polyester, and the functional components such as graphite and tourmaline are introduced, and the high-bulkiness special-shaped hollow fibers are prepared by using a special-shaped spinneret to melt and spin, so that the hollow degree and bulkiness of the fibers are effectively improved, good breaking strength is obtained, and the oxygen index is effectively increased.

The down feather forming equipment comprises a down feather storage unit, a plurality of different down feather storage cavities are formed in the down feather storage unit and used for storing different down feathers so that the different down feathers can be selected for down feather filling, and down feather filling pipes are selectively connected with the different down feather storage cavities and used for conveying down feathers of the different down feathers. The down filling pipe is communicated with the forming unit, at least two down modules in different shapes are formed in the forming unit, a cutting assembly is arranged on the down filling pipe, the cutting assembly is used for cutting down flowers flowing in the down filling pipe, the cutting assembly has at least two cutting speeds, and the cutting speeds correspond to the down modules one to one; the down modules in different shapes are formed at different cutting speeds, so that the down modules are formed in advance, the filling power of the down modules in the down filling process is higher, a warm-keeping air layer can be locked more stably and efficiently, and the warm-keeping effect of the manufactured down jacket decoration is improved.

The present disclosure relates to a processing method of worsted cashmere elastic suiting and the worsted cashmere elastic suiting, the processing method of worsted cashmere elastic suiting comprising the following steps: S1, processing worsted cashmere yarn and worsted cashmere spandex core spun yarn on a loom; S3, weaving a grey cloth by using the worsted cashmere yarn as warp and the worsted cashmere spandex core spun yarn as weft; S5, processing the grey cloth into the worsted cashmere elastic suiting in a spinning workshop through post-finishing, the post-finishing comprising, in sequence, raw finishing, heat setting, intermediate inspection, barrel sewing, air washing, dehydration, wet inspection, first drying, intermediate inspection, final finishing, steel wire raising, prick fruit raising, second drying, first ironing, first shearing, second ironing, second shearing, continuous steaming and tank steaming. Through the post-finishing processes of steel wire raising and prick fruit raising, the worsted cashmere elastic suiting product forms uniform and long straight pile on the surface, realizes the characteristics of fabric loftiness and light touch, and improves the warmth retention performance of the fabric.

This utility model relates to the field of food processing machinery technology, specifically to a multi-roller dough sheet forming device, including a frame. A feeding conveyor belt is provided on one side of the frame. A first roller, a second roller, and a third roller are sequentially arranged on the frame along the direction of movement of the feeding conveyor belt. The first and second rollers are connected to the frame via a screw jack, while the third roller is fixed in a rotatable position connected to the frame. The second roller consists of eight parallel stainless steel rollers. Fixed seats are rotatably connected to both ends of each stainless steel roller, and the middle of the fixed seats is connected to the screw jack via a drive shaft. The second roller of this dough sheet forming device is composed of multiple freely rotatable stainless steel rollers. When the dough sheet passes through, the stainless steel rollers rotate without power due to the resistance of the dough sheet, forming a gradual rolling motion with the first and third rollers. This avoids strong pressure damaging the gluten network, achieving natural gluten extension through "pressureless rolling."

This utility model relates to an environmentally friendly aerobic fermentation chamber for liquid organic waste, belonging to the field of fermentation equipment technology. It solves technical problems such as the separation of organic waste for fermentation, incomplete fermentation of liquid organic waste, and the generation of odorous gases during fermentation. The environmentally friendly aerobic fermentation chamber for liquid organic waste includes a fermentation chamber and a biological filter. The fermentation chamber contains a solid-liquid separation workshop, a sedimentation tank, an aerobic tank, and a clarification tank. Slide rails are laid along the length of the fermentation chamber on the inner side of the horseshoe-shaped walls on both sides of the sedimentation tank, aerobic tank, and clarification tank. Movable stirring components are installed on the slide rails, allowing them to slide left and right. Filter material is filled into the biological filter to filter odorous gases within the fermentation chamber. This utility model enables solid-liquid separation of organic waste and, through different tanks, ferments the liquid organic waste more completely.

This invention relates to the field of new yarn materials technology, and more particularly to a thermally insulating biodegradable PLA napped composite yarn and its preparation method. The yarn uses core-sheath structure PLA filaments as the base yarn, with a core layer of PLA and a sheath layer of low-melting-point PLA or copolymer PLA. The monofilament cross-section is irregular and / or hollow. Air blowing is used to form loop / arc loop pile structures on the surface of the base yarn. Subsequently, under restricted shrinkage conditions, the pile is locked and shaped, with the locking temperature controlled above the sheath softening temperature and below the core melting peak, causing the sheath to soften locally at the contact points to form point-bonding locking points to fix the pile. The pile height quantile, coefficient of variation, and bulk index are detected online, and the airflow, feed difference, and shaping parameters are adjusted in a closed loop to achieve structural and performance stability during continuous production. This solution combines high bulk, high warmth retention, washability retention, and batch consistency.

The invention discloses an automatic stir-frying device for dried pork floss and a stir-frying method using the stir-frying device. The automatic stir-frying device comprises a stir-frying tank which is of a double-layer structure, the bottom of the stir-frying tank is provided with an arc-shaped transition structure, an electromagnetic heating coil is embedded in the double-layer structure, the outer side of the electromagnetic heating coil is wrapped with a heat insulation layer, and a driving motor is arranged in the center of the top of the stir-frying tank. The stirring shaft is connected with an output shaft of the driving motor, penetrates through the cover plate and extends to the tank bottom, a stirring paddle is fixed on the shaft, and the bottom of the stirring shaft is connected with an elastic scraper and is tightly attached to the tank bottom in an arc transition mode. The problem that an existing device is poor in stirring uniformity is solved through the double-spiral stirring paddle, the arc-shaped transition structure is arranged at the bottom of the stir-frying tank and matched with the elastic scraper to synchronously rotate along with the stirring shaft, attached materials at the corners of the bottom of the stir-frying tank are removed, dead corners in the stir-frying tank are eliminated, the material caking rate is reduced, and the bulkiness and the particle uniformity of finished products are improved.

This invention relates to the field of polymer composite materials technology, specifically to an aramid composite foam material and its preparation method. The raw materials of the aramid composite foam material include: 0.5-1 parts of meta-aramid chopped fibers; 0.2-0.5 parts of meta-aramid precipitate; 0.05-0.2 parts of thermally expandable microspheres; 2-10 parts of water-based adhesive; 0.5-1 parts of surfactant; and 15-50 parts of deionized water. The preparation method of the meta-aramid precipitate is as follows: meta-phenylenediamine and isophthaloyl chloride are polymerized in a polar solvent to obtain a meta-solvent; the meta-solvent is then fully dispersed in water, followed by solid-liquid separation to obtain the meta-aramid precipitate. The aramid composite foam material exhibits uniform structure, low density, high strength, and temperature resistance with flame retardancy, and the preparation method is green and efficient.

The utility model discloses a kind of warm knitted fabric, including skin layer and warm layer, the knitting structure of skin layer is weft plain stitch, warm layer includes framework yarn layer and warm yarn layer, framework yarn layer and warm yarn layer interlaced knitting form warm layer, framework yarn layer is knitted by solid weaving thread, warm yarn layer is knitted by hollow weaving thread;According to the warm knitted fabric proposed in the utility model, heat loss can be effectively blocked, the warm-keeping performance is significantly improved, and the compressive resistance and deformation resistance of the fabric are also improved, so that it is not easy to collapse or deform during use, prolonging the service life.

The invention relates to the technical field of intelligent equipment, in particular to intelligent cotton filling equipment, which is characterized in that a fluffing mechanism is arranged, a cotton beating unit in the fluffing mechanism is used for beating and fluffing a filler, and an elastic rope is in contact with the filler during rotation so as to repeatedly jump to stir and beat the filler; through rotating flapping, the elastic rope jumps and pulls in multiple directions, so that the huddled filler is separated; meanwhile, an air injection unit is arranged in the bulking mechanism, air is blown to the filler when the filler is subjected to bulking work such as flapping and pulling, it is guaranteed that air gaps in the filler are sufficient, and the uniformity and bulkiness are further improved.

The utility model discloses a shock absorber bushing pipe even spraying treatment device, specifically relates to shock absorber bushing pipe spraying treatment technical field, including operation platform, the upper end surface of operation platform is fixedly connected with two support side plates respectively, the upper end surface fixedly connected with the top plate of two support side plates, be equipped with spraying assembly on the top plate. The utility model discloses a feeding structure is set up, makes spraying treatment device possess automatic continuous feeding function, when spraying, can one -time operation to multiple shock absorber bushing pipe, greatly improved the batch nature of operation, in the spraying process, when one bushing pipe completes spraying, can rapidly and accurately remove the unprocessed bushing pipe to the spraying position, need not manual frequent change single bushing pipe, effectively reduces the time loss and operating error because of replacement, not only has improved spraying efficiency significantly, also has guaranteed the continuity and stability of production process.