30results about How to "Improve silk yield" patented technology

The invention provides a quick freezing pupa killing method for fresh silkworm cocoons, particularly comprising the following steps that: solid dry ice is taken as a cold source to absorb heat of the fresh silkworm cocoons, and simultaneously carbon dioxide obtained through sublimation of the dry ice is taken as the cold source to blow over the fresh silkworm cocoons and exchange heat with the fresh silkworm cocoons so as to make the temperature of the fresh silkworm cocoons reduced to below a given temperature and maintain for a period of time. The invention simultaneously provides a device for realizing the method, comprising an insulated cabinet body and an endless apron, wherein, a cold source cabinet body is arranged on the upper part of the insulated cabinet body, and the solid dry ice is arranged inside the cabinet body; the bottom of the cold source cabinet body is provided with a heat exchange plate; a cold blast pipe is arranged on the lower side of the endless apron, and anopening of the cold blast pipe faces to the endless apron; the cold blast pipe is communicated with the cold source cabinet body; and a fan is arranged on an inlet end of the cold blast pipe. By adoption of the method and the device, the pupa killing production cycle can be obviously shortened and the labor efficiency can be obviously improved; moreover, because pupae are killed at a low temperature, fresh cocoon shells and pupal cells maintain natural state, thereby the quality of the fresh cocoon shells and the pupal cells is slightly influenced and good-quality raw materials are provided for the silk reeling technique and deep-processing of fresh pupae.

Provided is a flexible processing system for defective tobacco rods. The system comprises a rack and a carding dilution vibration trough arranged on the rack. A flexible rolling mechanism is arranged at the discharging end of the carding dilution vibration trough. A primary grade screening vibration sieve is arranged under the carding dilution vibration trough and the flexible rolling mechanism. A hoister and a charging vibrator are arranged at back of the rack and to be adjacent to each other. The material channel of the hoister corresponds to the material catching end of the carding dilution vibration trough. A sedimentation trough is arranged at the front end of the charging vibration trough of the upper part of the charging vibrator. Trough holes are arranged in the bottom and the side walls of the sedimentation trough. The upper end of the sedimentation trough is flushed with the bottom surface of the charging vibration trough. A wind power separating mechanism corresponding to the primary grade screening vibration sieve is arranged at one side of the rack. A second grade screening vibration sieve is arranged under the wind power separating mechanism. The flexible processing system is simple in structure, and has simple operation. Defective tobacco rods are subjected to flexible processing, The shred yield and the tobacco shred purity degree of defective tobacco rod processing can be raised greatly, smash of tobacco shred and damage of tobacco paper are reduced, and the purposes of raising tobacco shred recovery utilization rate and purity degree can be achieved finally.

The method for storing-treatment of the fresh silkworm cocoons incldues such steps as loading fresh silkworm cocoons in baskets, antistaling transporting in air-permeable coach without sunshining, stacking the baskets on the pallet far from ground, and storing in cold storage at -4-10 deg.C. Before the cocoons are used, they are defrozen at ordinary temp., and equilibrium treatment in cool wind. Its advantages are high cocoon quality and high silk output rate.

The invention relates to a cultivation method of a silkworm variety, in particular to a cultivation method of a double-cocoon silkworm variety, and belongs to the technical field of biology. On the basis of a genetic law of multi-pupal cocoon genes and a work principle of the environment condition, a popularized and applied breeding method for cultivating excellent silkworm varieties into the double-cocoon silkworm variety in current production is adopted. By adopting a hybridization introducing method and a generationally directional breeding method, on the premise of ensuring the excellent economic characteristic of existing cocoon varieties, the cocoon varieties are improved and selectively bred into the double-cocoon silkworm variety containing mcmc gene combinations, and the double-cocoon silkworm variety has the advantages that the cocoon color is pure, the cocoon silk property is excellent, and the practicability is high.

The invention discloses a cooking method for fresh cocoons. The cooking method is characterized by including the technological steps of cocoon selection, tea bran water soaking, permeation, enzymolysis, cocoon cooking and cocoon picking. The cooking method for the fresh cocoons has the advantages that the method is simple in technology, convenient to operate and low in production cost; after the method is used for cooking the cocoons, silk yielding rate and quality of obtained cooked cocoons are high; quality index level of the cooked cocoons is improved greatly, and cleanness, spotlessness, strength and cohesion indexes are improved by above one grade.

The invention provides an energy-saving and high-yield silkworm breeding method which can reduce the breeding time, reduce the folium mori consumption, save the labor and feed cost and improve the silk quality, and aims at solving the problems of long silkworm breeding period and small efficiency in the prior art. The method specifically comprises the steps of treating a silkworm room; selecting and launching folium mori; controlling the environment of the silkworm room; manually intervening. Compared with the prior art, the method has the advantages that the labor and feed cost can be saved; the breeding time can be reduced; the silk quality can be improved; the cocoon output, the cocoon layer rate, the silk length, the reelability percentage and the silk output rate can be improved to different degrees.

The invention discloses a surface material for cured tobacco leaf, preparation and use process thereof. An odor absorption improving agent in the surface material for cured tobacco leaf is capable of reducing impurity gas and coarse feeling in the fume, adding fragrance of intrinsic perfume of cured tobacco leaf. And the surface material includes propanediol, which is capable of enhancing moisture keeping performance of tobacco leaf, making leaf crushing in the cutting process uneasy, and yield high. The surface material for the cured tobacco leaf is simple in preparation, low in production cost, having wide market prospect.

The invention provides a device for stripping fine cigarettes containing explosive beads, which includes a quantitative feeder, a FY37 type waste cigarette processing machine, a paper vibrating tank, a screening device, a conveyor belt, a vibrating tank, and a spectrum cleaner. There is also a sorting mechanism for fine cigarettes containing explosive beads in front of the quantitative feeding machine. The sorting mechanism for fine cigarettes containing explosive beads is used to sort and straighten the fine cigarettes containing explosive beads. The lowered cigarettes enter the quantitative feeding machine, and then enter the FY37 waste cigarette processing machine, the separated cigarette paper and filter tip enter the paper vibrating groove, and the shredded tobacco enters the screening device through the bottom belt of the FY37 waste cigarette processing machine , and then filtered and separated by conveyor belts, vibrating tanks, and spectral cleaners to finally become qualified shredded tobacco. The invention can solve the quality problem that the filter tip containing the popping beads is damaged in the process of stripping the slim cigarettes containing the popping beads, which causes the taste of shredded tobacco stripped back to change.

The invention discloses a cleaning agent of circulating water for washing recycled plastics, relating to the technical field of water treatment. The cleaning agent is composed of the following components in parts by weight: 100 parts of lucid ganoderma, 250 parts of tobacco, 100 parts of Chinese gall, 100 parts of melia azedarach, 100 parts of cypress, 100 parts of rhubarb or lime, 100 parts of garlic, 100 parts of rhizoma atractylodis, 100 parts of folium artemisiae argyim, 500 parts of honeysuckle, 500 parts of herba houttuyniae, 500 parts of cyrtomium fortunei, 500 parts of isatic roots, 100 parts of gardenia, 400 parts of scutellaria baicalensis, 100 parts of coptis chinensis, 250 parts of golden cypress, 300 parts of officinal magnolia barks, 500 parts of white paeony roots, 200 parts of clove, 100 parts of logwood, 80 parts of semen cassiae, 500 parts of galanga, 100 parts of pepper, 500 parts of astragalus, 500 parts of rhizoma curcumae, 500 parts of perilla leaves, 300 parts of radix saposhnikoviae, 250 parts of radix angelicae, 250 parts of asarum, 100 parts of cinnamon and 100 parts of anise. The cleaning agent is simple in component and low in preparation cost, the water purified by using the cleaning agent is good in quality and capable of realizing circular washing, and no wastewater is discharged; in addition, due to the adoption of the cleaning agent disclosed by the invention, the quality of the plastics can be improved, the silk yield can be increased, and the prepared modified plastics are nontoxic, pollution-free and incapable of generating any injury to human bodies.

The invention discloses novel temperature difference gradient type stem washing equipment and a stem washing method thereof and aims to provide the novel temperature difference gradient type stem washing equipment which is simple to operate and the stem washing method of the novel temperature difference gradient type stem washing equipment. The novel temperature difference gradient type stem washing equipment comprises a feeding conveying belt and at least two washing devices sequentially arranged at an output end of the feeding conveying belt; each washing device comprises a washing tank, an ultrasonic transducer mounted at the bottom of the washing tank, a circulating pipe with two ends communicated with the lower part of the washing tank, a circulating water pump mounted on the circulating pipe, a heat exchanger for heating a liquid in the washing tank as well as a discharging chain plate obliquely arranged in the washing tank; the output end of the feeding conveying belt is located at the upper end of the washing tank of the washing device adjacent to the back side of the feeding conveying belt, an output end of the discharging chain plate of each washing device is located at the upper end of the washing tank of the washing device adjacent to the back side of each washing device; a sewage outlet is arranged at the lower part of each washing tank and a solution supplementing port for supplementing a solution is formed in each washing tank.

The invention provides a storage fresh-keeping method for a silkworm fresh cocoon; silkworm chrysalis inside the fresh cocoons are killed by the quick freezing of dry ices; the fresh cocoons with the chrysalis killed are arranged in a closed article where the air is pumped out and the dry ices are added and the dry ices are converted into the CO2 gas under normal temperature; the fresh cocoons are hermetically stored under the anaerobic condition. The storage fresh-keeping method can keep the natural state of the cocoons better, has little effect on the silk quality, has simple, sanitary and convenient operation, quick disposal speed and low processing cost, can improve the silk generation rate and the silk generation quality; after reeling silk, the fresh cocoons can be taken as the raw material of the deep processing and is suitable for popularization and application in large scale.

The invention discloses a cocoon treating method for killing cocoons by industrial salt for normal-temperature water silk reeling. The method comprises the following steps of selecting high-quality raw materials of cocoons; preparing an industrial salt water solution with the concentration being 55 to 60 percent; soaking the cocoons into the industrial salt water solution; sealing the mixture for 30 to 40d at the temperature being 30 DEG C; fishing out the cocoons from the industrial salt water solution; pouring out the industrial salt solution; cleaning the fished cocoons by clean water; charging the fished cocoons into a 50-mesh nylon bag; sealing the opening; performing spin-drying for 3 to 4min in an ordinary spin-dry barrel of a washing machine; repeating the spin-drying operation for 4 to 5 times; pouring out the cocoons; spreading the cocoons at the temperature being 25 to 30 DEG C for drying the cocoons. The fresh cocoon raw materials are subjected to cocoon killing treatment by the circularly used industrial salt solution; the environment-friendly normal temperature silk reeling production is implemented; the reelability percentage and the silk yield of the cocoons are improved; the environment pollution is reduced; the health injury to silk reeling workers caused by severe work environment is reduced; the method is simple and convenient; the silk manufacturing technical flow process is simplified; the production cost of energy source labor and the like is reduced.

The invention discloses a machine learning algorithm-based intelligent control system for cooling water in silk drying cylinders, including a data acquisition platform and an intelligent control model, wherein: the data acquisition platform includes a data acquisition module and a concrete model of the silk drying cylinders; the intelligent control system The model includes a data preprocessing module, an intelligent control algorithm network and a simulation virtual environment module. The data preprocessing module preprocesses the collected data and then inputs it into the intelligent control algorithm network; the intelligent control algorithm network generates the equipment control state according to the preprocessed data; the simulation virtual environment According to the control state of the equipment, the environment module uses the directly collected data for simulation, obtains the control state of the equipment at the next moment and feeds it back to the intelligent control algorithm network; when the intelligent control algorithm network needs to adjust the process parameters, it generates equipment according to the control state of the equipment The control command is sent to the main control PLC of the silk drying cylinder through the data acquisition platform to control the adjustment of the operating parameters of the silk drying cylinder.

The invention provides a method for online screening of tobacco stems. The method comprises the steps of 1, separation of leaves and stems, and preliminary screening of tobacco stems; 2, primary screening, wherein two-stage screening is conducted on tobacco stems obtained after preliminary screening of step 1 by means of a two-stage vibration screening device; 3, secondary screening; wherein screening is conducted on tobacco stems obtained after two-stage primary vibration screening of step 2 by means of a one-stage vibration screening device; 4, redrying tobacco stems obtained in step 3 and then adding a one-stage screening device for screening; and 5, separately collecting tobacco stems with diameters between 3-5 mm and lengths between 20-50 mm and tobacco stems with diameters between 5-7 mm and lengths between 20-50 mm obtained in step 4, and conducting packaging, marking and storage. By the adoption of the method, tobacco stems with uniform and consistent physical characteristics can be provided for shredding, the application range of cut stems is widened after classification, the use ratio of cut stems is increased, and the quality of thin cigarettes is verified to be improved remarkably.