118results about How to "Moisture stable" patented technology

The present invention relates to coal blending and coking method for metallurgical coke, and especially the coal blending and coking method with thermal coal and weakly caking coal. The present invention adopts conventional coking process and the coal consists of weakly caking coal 0-15 wt%, thermal coal 0-10 wt%, gas coal 13-45 wt%, fatty coal 9-20 wt% and coking coal 40-45 wt%. The produced coke has dropping strength M40 of 77-78.5 %, abrasion resistance strength M10 <8.6 %, reactivity of 35-37 %, thermal state strength of 45-55 %, and granularity of 25-40 mm and 40-80 mm, and meets the requirement for iron smelting in blast furnace of 1000 cubic meter or larger. The present invention has expanded coal variety range for coking, and lowered coking cost.

The invention provides a stable simvastatin oral tablet which is prepared from the following components in percentage by weight: 10-20% of simvastatin, 0.01-0.04% of antioxidant, 0.5-2.0% of acidifier, 70-80% of filler, 5-10% of disintegrant, 1-1.2% of lubricant and 0.5-2% of binder. The invention also provides a method for preparing the stable simvastatin oral tablet. By strictly controlling the moisture of a finished product, the doses of the antioxidant and acidifier in the components are obviously reduced, the product stability is better, and the safety is higher.

A moisture chain control method for a tobacco shred manufacturing process includes two synchronous steps of adjustment based on moisture fluctuation of blended stems and shreds and adjustment based on moisture fluctuation of tobacco shreds at an HT (humidifying tunnel) inlet. Detection to moisture of stems and shreds before the stems and the shreds are blended is added, moisture of an HT joint and moisture of a stem and shred blending joint are detected, when the HT inlet tobacco shred moisture and stem and shred moisture in the two joints are abnormal, key parameters of other relevant work procedures at joints in front and rear of the two joints on a tobacco shred processing chain are quantitatively adjusted, effective front and rear feedback is realized, stability of shred blending moisture after the stems and the shreds are blended is guaranteed, and stability of technological parameters of a shred drying procedure is ensured.

The current invention describes methods and compositions of various sorbents based on aerogels of various silanes and their use as sorbent for carbon dioxide. Methods further provide for optimizing the compositions to increase the stability of the sorbents for prolonged use as carbon dioxide capture matrices.

The invention specifically relates to polypeptide essence having efficacy of relieving allergy and repairing skin and a preparation method of the polypeptide essence. The essence is an aqueous system,a micromolecule peptide composition is used as a core and is compounded with a plant extract having the efficacy of relieving allergy and a plant extract having the efficacy of repairing skin, wherein the micromolecule peptide composition comprises oligopeptide, oat peptide and copper tripeptide-1, the plant extract having the efficacy of relieving allergy comprises trehalose, an opuntia streptacantha stem extract and a radix ophiopogonis root extract, and the plant extract having the efficacy of repairing skin comprises a harba dendrolii nobilis stem extract, a radix sophorae yellowish sophora root extract, a lycium barbarum fruit extract, a pseudo-ginseng root extract, an astragalus membranaceus root extract, a glossy privet fruit extract and a licorice root extract. The prepared essence has the double functions of relieving allergy and repairing skin, is safe and mild and can solve the sensitive skin problems that skin flushes, and turns red and swollen caused by weather, geographical environment, and improper use of skin care products.

The invention provides a method for improving the tobacco shred making quality of reconstituted tobacco. The method comprises the specific steps of putting, manual fragmentation, super-return loosening, tobacco moistening and feeding, tobacco storage, shredding, moisture regulation and control, drying and tobacco shred storage. The process of moisture regulation and control is added, and the problems are solved that the technological path is long, the reconstituted tobacco has special moisture absorption performance, the water content in the material process is excessively influenced by the temperature and humanity of the environment, and accordingly the water content of batch-to-batch drying inlets is obviously fluctuated; the water content of shredded materials is stable, the stability of batch-to-batch moisture of the materials which enter the drying process is guaranteed, the water content of materials of drying outlets meets the processing requirement, the stability of the processing intensity and dewatering amount in the batch-to-batch tobacco shred drying process is achieved, and the stability of the smoking quality of the reconstituted tobacco shreds of tobacco shred dryingoutlets is guaranteed. Compared with other methods, the method has the advantages that the technological path is less changed, the reconstitution investment is low, the energy is saved, the consumption is lowered, and meanwhile workshops do not need to be newly built or rebuilt.

The invention relates to a water-based cutting fluid of a hard brittle material and a preparation method of the water-based cutting fluid, in particular to a water-based cutting fluid applied to cutting of solar crystal crystalline silicon. The water-based cutting fluid comprises the following components in percentage by weight: 10-40 percent of deionized water, 55-85 percent of dihydric alcohol, 0.001-5 percent of water-retaining agent, 0.001-5 percent of thixotropic thickening agent and 0-5 percent of washing foam controlling agent. The cutting fluid has the advantages of no loss of water in a cutting process, high specific heat capacity, good cooling property and environmental friendliness, and is a novel water-based cutting fluid with stable property.

The invention discloses a preparation method for special precipitated calcium carbonate for a PVC (polyvinyl chloride) stone chip resistant coating. The preparation method comprises the technical operation as follows: adjusting the ratio of lime milk to be 1.040-1.080, feeding kiln gas with the flow of 6-10m<3>/h, controlling the specific surface area of matured slurry to be 16-40m<2>/g when the pH value of reaction liquid is reduced to be below 7.0, and adding a composite surface treatment agent at the temperature of 50-90 DEG C for wrapping, wherein the total adding amount of the surface treatment agent is 1.5-5.0 percent of dry calcium carbonate base; performing pressure filtration dewatering, drying, smashing and packaging on the slurry to obtain a precipitated calcium carbonate product for the PVC stone chip resistant coating. The precipitated calcium carbonate prepared by the preparation method disclosed by the invention is lower in hygroscopicity, so that the thixotropy, yield value and viscosity of filling of PVC plastipaste are effectively controlled, and the rheology stability of the PVC plastipaste is improved. The method disclosed by the invention is simple, feasible and low in production cost, and has higher economical and social benefits.

The invention discloses a fresh-keeping technique of rhizoma dioscoreae, which comprises the steps in sequence: (1) the rhizoma dioscoreae is washed and classified into different categories according to the degree of thickness and length; (2) the moisture on the surface of the rhizoma dioscoreae is removed by hypobaric drying at normal temperature; (3) rhizoma dioscoreae is weighed and put into packing bags; (4) the air in the packing bags are evacuated and inactive gas are injected into the packing bags; (5) the packing bags are sealed and inspected; (6) the gamma ray is adopted for the quantitive irradiation of the packing bags of rhizoma dioscoreae. The fresh-keeping technique of the invention can keep the quality of components contained, moisture, color and taste relatively stable for 12 months at the normal temperature without residues of any other chemical composition, maintains the eating effect of fresh rhizoma dioscoreae, thus ensuring convenient storage, transportation and sales of the rhizoma dioscoreae.

The invention relates to the technical field of tobacco processing, in particular to a microcapsule humectant for cigarettes, a preparation method of the microcapsule humectant and application of the microcapsule humectant. The microcapsule humectant for the cigarettes comprises, by weight, 100 parts of chitosan solution with the mass concentration of 1-5%, 0.05-2 parts of emulgator sucrose ester, 10-20 parts of oil materials and 100-400 parts of sodium tripolyphosphate aqueous solution with the mass concentration of 0.5-3%, and the microcapsule humectant is prepared through emulsification and microencapsulation methods. By means of the microcapsule humectant, compositions of the microcapsule humectant are optimized, the technical problem that an existing humectant cracks under the 120-degree cut tobacco drying condition in the tobacco production process is solved in a targeted mode, the microcapsule humectant has the humectant performance and the dampproof performance, water losses or moisture absorption of cut tobaccos can be slowed down in the drying or high humidity environment, when the cigarettes are smoked, the cigarette aroma and the fresh and sweet tastes can be increased, the drying sense and stimulation are reduced, miscellaneous gas and remaining taste are improved, and quality of the cigarettes is greatly improved.

The invention provides a technology for improving the quality stability of coking charge coal. The technology comprises the following steps: storing raw coal in a totally closed raw material coal yard, pre-crushing hard coal, uniformly mixing through a coal blending chamber in a totally closed bar-shaped mixing coal yard, crushing the obtained blended coal, damping the blended coal, and allowing the damped blended coal to go through a coal tower in order to realize final charge coking. The charge coal obtained through the technology has the characteristics of stable coal water, ash, volatile compounds and sulfur, stable coking performance and fines, and quality index stability increasing to above 4 sigma level.

The invention provides an ecological restoring device and method for sand plants. The ecological restoring device comprises a water-collecting moisture-preserving sand-proof device, a plant planting device and a continuous water supply device and is characterized in that the bottom of the water-collecting moisture-preserving sand-proof device is in a funnel shape, the water-collecting moisture-preserving sand-proof device is placed at the upper end of the plant planting device and crossed with the plant planting device, and the continuous water supply device is located beside the plant planting device and connected with the plant planting device through a pipeline. The ecological restoring method for the sand plants comprises the steps of hole digging, presetting, backfill, seedling planting, seeding, placing of the water-collecting moisture-preserving sand-proof device, water injection of the water supply device and surface soil covering and the like. The ecological restoring device and method for the sand plants have the advantages of universality in materials, easiness in manufacturing construction, convenience in transportation and batch production, degradation and little pollution to the environment and the like.

The invention relates to the technical field of solid wood board processing, in particular to a production process of a solid wood ecological board. The method comprises the steps that a, the saltingtreatment is carried out on a timber raw material; b, the raw material is cut into strips, and moisture control is carried out on the strips; c, the board strips are spliced into a board core, dust scraping is carried out on the board core, moisture control is carried out on the board core, and sanding is carried out on the board core; d, an eucalyptus wood chip is prepared; e, the board core andthe eucalyptus wood chip are attached and combined to undergo compression molding to obtain a blank board; f, standing and maintaining are carried out on the blank board; g, the blank board sequentially undergoes, first-time edge sawing, dust scraping, moisture control and sanding; h, the blank board and the poplar bark are attached and combined to obtain a base board; i, the base board sequentially undergoes sanding and second-time edge sawing; and j, a surface paper is pasted on the base board to obtain the solid wood ecological board. The formaldehyde releasing grade of the solid wood ecological board prepared by the production process is the E0 grade, and the ecological board can be directly used indoors; and in the using process, the solid wood board is stable in product quality, is not prone to deform and crack, can keep the original appearance for a long time, and meets the requirements of people on the high-quality furniture boards.

The invention discloses a seed vegetation block matrix suitable for an arid stony mountainous area and a preparation method thereof and relates to the technical field of seed seedling raising. The technical problems of low afforestation seeding emergence rate, low qualified seedling percentage and low survival rate of the arid stony mountainous area are solved. The seed vegetation block matrix suitable for the arid stony mountainous area is prepared from, by weight, 5-8 parts of clay, 2-5 parts of organic matter, 0.005-0.05 part of water-retaining agent and 0.005-0.05 part of slow release fertilizer. The preparation method comprises the steps that organic matter is collected, smashed and screened to obtain organic matter with the particle size of 40-60 mesh, then composting is performed, the composted organic matter, the clay, the water-retaining agent and the slow release fertilizer are fully mixed and stirred evenly, the prepared mixture is compressed by using a three-hole former or two-hole former with the diameter of 10 cm and the length of 15 cm to obtain the seed vegetation block matrix. The seed vegetation block matrix has the advantages of ensuring sufficient moisture and nutrient supply for seeds during germination and seedling growth and improving the emergence rate and preserving rate.

The invention provides a cross flow type roller tobacco dryer, which comprises a roller, a hot air inlet pipeline system, a moisture discharging pipeline system, a feed opening and a discharge opening. The tobacco dryer is characterized in that a hot air pipe is inserted from the lower part of the feed opening of the roller; an air inlet of the hot air pipe is arranged on the eight-o'clock position(on the side opposite to the lifted cut tobacco) in the roller, and the width of the air inlet is the same as the length of the roller; the radial air inlet is realized along the direction of the opening face of the air inlet facing to the shaft line of the roller, and air inlet grid plates are arranged along the whole air inlet; a moisture discharging port is arranged on the twelve-o'clock position, the opening of the moisture discharging port is downward, and the width of the moisture discharging port is the same as the length of the roller; and a filter net and air outlet grid plates are arranged along the whole moisture discharging port, and a moisture discharging pipe extends out of the upper part of the feed opening. The tobacco dryer is characterized in that due to the reasonable arrangement of the hot air inlet and the moisture discharging port, the problem of uneven treatment strength along the axial direction and the influence of air speed on the staying time are eliminated. According to style characteristics of products, a control method can be freely chosen, thereby reducing the risk of structural fluctuation of the cut tobacco and stabilizing the physical indexes of the products.

The invention relates to a method of quickly decomposing green straws of a plant and preventing and controlling root knot nematode disease of flue-cured tobacco. The method comprises the following steps: selecting oil radish with a root knot nematode disease resistant gene as a green straw of green manure; screening four microorganisms which have preventing and controlling effects and decompose the green straw efficiently to the root knot nematode disease; spraying a decomposing fungicide in a full-bloom stage by proportioning the four fungicides at proper concentrations; and turning over anddecomposing the green straw sprayed by the fungicide locally for over 60 days, wherein by accelerating quick and efficient decomposition of the green straw, in the condition of reducing 30% of a chemical fertilizer, organic matters of rhizosphere soil of flue-cured tobacco cultivation are degraded quickly, and primary nutrients: nitrogen phosphorus and potassium are full. The method is obvious inpreventing and controlling effects to the root knot nematode disease in the flue-cured tobacco cultivation process, and the tobacco leaf output value is improved obviously. The invention relates to the simple method which decomposes the green straw quickly, increases organic matters and nutrients of soil effectively, prevents and controls root knot nematode disease of cultivated crops in the nextstubble and improves the crop output and quality.

The invention relates to the technical field of solid board processing, in particular to a method for controlling the moisture content of a solid wood ecological board. The method for controlling themoisture content of the solid wood ecological board comprises the following steps of a, processing wood raw materials; b, cutting the raw materials into platens; c, controlling the moisture of the platens; d, splicing the platens to form a board core; e, controlling the moisture of the board core; f, controlling the moisture of eucalyptus chips; g, forming a laminating board through the eucalyptuschips and the board core; and h, controlling the moisture of the laminating board. According to the method for controlling the moisture content of the solid wood ecological board, a multi-step moisture control method is adopted for key materials from the raw materials to the finished product, the product moisture is controlled to be in a reasonable and stable environment, the product is not proneto deforming or cracking in the using process, and the using quantity of chemical waterproof reagents is reduced.

The invention discloses a freeze-resistant twisted paper and a production method thereof and belongs to the field of packaging. The freeze-resistant twisted paper comprises a paper base layer, a printing layer disposed on the upper surface of the paper base layer, and a wax layer disposed on the lower surface of the paper base layer. The paper base layer is subjected to osmotic treatment. A penetrant comprises 30% of glycerin, 20% of D-mannitol, 3% of sorbitol and 47% of water. The freeze-resistant twisted paper solves the problem that the common wrapping paper is easy to crack and hardens after absorbing water.

A tobacco primary processing secondary charging and water replenishing control system is characterized in that two independent charging and water replenishing pipelines are designed after an originalpipeline exits from a flowmeter, a first pneumatic three-way valve, a second pneumatic three-way valve, a fifth pneumatic three-way valve and double-medium nozzles A and B are newly added, and are connected together by a stainless steel tube, and by the pipeline, two independent charging and water replenishing pipelines can be formed; the first pneumatic three-way valve and the second pneumatic three-way valve are switched over for a feeding tank of a feed liquid pipeline loop; and the fifth pneumatic three-way valve is switched over for production and pre-filling pipelines. Quantified water replenishing and proportional water replenishing are designed and meet different process requirements; double charging pipelines are selected in production, and can be used flexibly, the pipelines canbe switched over if equipment fails in production, and continuous material feeding in production is realized; and continuous production of the equipment and completeness of a blade assembly formula can be ensured.