58results about How to "Good moisture control" patented technology

An accelerative culture method of peach tree by artificially relieving dormancy includes such steps as storing the chosen peach saplings in ditch in the autumn, transplanting in the culture soil contained in perforated plastic bag in the next February, putting them in greenhouse, transplanting in the field in the May, spraying uniconazole every 7 days twice, picking off leaves in the August, forced dormancy in cold storehouse for 40-50 days, transplanting in greenhouse in the October, controlling the temp of florescence to 20-22 deg.C, and fruit growing management.

A sock whose leg portion has wicking regions interspersed among fabric folds which are adapted to increase the effective surface area of the leg portion. The foot and leg portions of the sock may be constructed of the same material, such as synthetic, hydrophobic yarns, and formed in a unitary manner, either by weaving or knitting. The wicking regions may be formed using stitching along outer edges of a plurality of diamond shapes. Alternatively, the wicking regions may be formed by a set of first fabric bands, wherein the fabric folds comprise a set of second fabric bands, and the first and second bands alternate horizontally along a length of the tubular leg portion. The first fabric bands are preferably elastic or stretchable to maintain the first fabric bands in intimate contact with a wearer's skin.

The invention discloses a vacuum-conditioning and loosening feeding device, which comprises a roller, a roller supporting transmission system, a vacuum system and a water and steam adding and feeding system, wherein the vacuum system and the water and steam adding and feeding system are communicated with a roller cavity through airproof rotary joints arranged on roller doors at the two ends of the roller; and the operations of the roller, the vacuum system and the water and steam adding and feeding system are controlled by a control system. The vacuum-conditioning and loosening feeding device is integrated with the functions of vacuum-conditioning, loosening and feeding smoked sheets, and is characterized in that: 1, the vacuum-conditioning and loosening feeding device can realize the vacuum-conditioning of the smoked sheets in a static state and the loosening of the smoked sheets in a rolling state, thus the smoked sheets is more uniform in conditioning, high in loosening rate and low in broken ratio; 2, the vacuum-conditioning, loosening and feeding of the smoked sheets can be finished in one process without inter-process delivery, thus the moisture content, temperature and aesthetic quality of the smoked sheets are easily controlled and the moisture loss and temperature reduction of the smoked sheets in a conveyance process are avoided; and 3, the vacuum-conditioning and loosening feeding device can realize the feeding of the smoked sheets in a vacuum state and the rolling state and remarkably improve feeding accuracy, uniformity and effectiveness.

An improved multifunction cushion apparatus for wristwatches and associated bands used by the individual watch wearer by attaching the inventive pad to the back of the wristwatch casing and to the back of the wristwatch band. A pad or a pad and associated cross members are utilized to increase comfort, decrease rubbing and irritation, provide moisture control and provide antimicrobial properties when wearing a wristwatch and band without impacting the visual appeal and style of the wristwatch and its band.

The invention discloses a teak low-chipper sprout-promotion rapid-propagation seed-growing method. Seeds are soaked by lime water and gibberellin and then sowed, then seedlings are transplanted into a first nutrition substance container to cultivate mother seedlings to a stage when leaves are mutually overlapped, then the seedlings are graded and arranged according to certain planting space, when ground diameter of the mother seedlings is 0.4-0.8cm, the mother seedlings are planted into a plastic pot with a bottom support to be bred, wherein the mother seedlings are not separated from container cups, and second nutrition substance is arranged in the plastic pot. After 10-15 days, the mother seedlings are cut at a position where base parts of the mother seedling are close to the ground to promote sprouting, collecting cuttings and arranging the cuttings in a container cup provided with third nutrition substances in cottage mode, growing seedlings on an elevated seedling bed in a plastic greenhouse, controlling air temperature and relative humidity of a cottage bed by utilizing a greenhouse temperature and moisture adjuster, and thus obtaining teak container cottage seedlings. By means of the teak low-chipper sprout-promotion rapid-propagation seed-growing method, cottage branches are short, interval time of cutting collection is shortened, breeding efficiency is improved, field condition requirements of nursery gardens are not strict, management is convenient, cutting quality is easy to control, cottage survive rate is high, and economic benefit is good.

The invention discloses an energy-saving method and a device for controlling moisture discharging of a roller-type cut-tobacco dryer. A pressure sensor is arranged in a rear chamber of the cut-tobacco dryer, measuring-point air pressure of the pressure sensor is controlled by controlling opening degree of an adjusting air door between a bag-type dust collector and a moisture-discharging fan, and cold air flow entering the cut-tobacco dryer is controlled by controlling the measuring-point air pressure. The mode of controlling the measuring-point air pressure is adopted, so that moisture-discharging air quantity can automatically follow evaporation load quantity of the cut-tobacco dryer, motor power of the moisture-discharging fan is in a power-changing state, and energy consumption is reduced. By the method, actual power of the moisture-discharging fan is substantially lowered than that in original modes, so that energy saving is facilitated. Moisture discharging quantity is more stable than that in the original modes, so that moisture control of the cut-tobacco dryer is facilitated. Consumed steam quantity in spare time of 1 / 4 of each day is substantially reduced.

An exterior wallboard sheet includes a core having opposing first and second major surfaces. The core may include a monolithic body of aerated concrete. At least one water vapor-permeable, water-resistant face layer may be secured on at least one of the first and second major surfaces of the core. The water vapor-permeable, water-resistant face layer may include a microporous polymer layer. The microporous polymer layer may include a woven polypropylene fabric layer having a plurality of microperforations therein.

The invention relates to a method for preparing an expansion minced fillet sandwich cake by utilizing secondary microwaves. The method comprises the following steps of: adding minced fillet, corn starch, edible salt, egg white, millet wine and five spice powder to uniformly stir and season, blending the minced fillet, the corn starch, the edible salt, the egg white, the millet wine and the five spice powder so as to place in a mould for carrying out tabletting, wherein the tabletting thickness is 0.2-0.5cm; baking the tabletting pieces in a drying oven at 40-60 DEG C, placing the tabletting pieces in a microwave oven the power of which is 150-700W for carrying out primary expansion, treating the expanded tabletting pieces under the microwaves for 90-200s; sandwiching the tabletting pieces, placing the expansion minced fillet sandwich cake after the sandwiching in the microwave oven the power of which is 150-700W for carrying out secondary expansion, treating under the microwaves for 30-120s, cutting, shaping, spraying oil and drying the expanded minced fillet sandwich cake according to specification requirements, so as to obtain the expanded minced fillet sandwich cake. The method provided by the invention has the advantages that the minced fillet cake is subjected to the sandwiching, so that the taste of the minced fillet is rich; as the secondary expansion is carried out, the problems that the minced fillet cake at a contacting part of cream and the minced fillet is prevented from being over-hard or burning, the expansion is not thorough, the sandwich and the minced fillet cake are easy to peel can be solved, and the moisture of the minced fillet sandwich cake is easy to control.

Building panels, such as a floor panels or wall panels. The panels including a first mechanical locking system at respective parallel and opposite third and fourth edges, such as long edges, configured to cooperate for horizontal and vertical locking between two adjacent building panels, preferably by means of a folding motion. The panels further including a second locking system at respective parallel and opposite first and second edges, such as short edges, configured to cooperate for horizontal and vertical locking of two adjacent building panels. An upper edge portion of one of the third edge or fourth edge, preferably the third edge, includes a first lower lip portion configured to cooperate with a first upper lip portion of an upper edge portion of the other of the third and fourth edge of an adjacent panel when the third and fourth edges are arranged in locking engagement.

The invention discloses a rice food and a production method thereof. The rice food comprises the following raw material components in part by weight: rice, soy sauce, disodium ribonucleotide, white sugar, garlic powder and the like. The production method comprises the following steps: rinsing, soaking, steaming and refrigerating the rice to form a rice cake; cutting the rice cake, drying, baking,sorting, and seasoning with seasoning liquid; and drying, sorting, metering and packaging finished products, and storing in a finished product warehouse. The puffing degree and mouthfeel of the rice food are greatly improved, so the rice food is more crispy and delicious; and the rice food is particularly added with nutrition elements of calcium, iron and zinc, so the applicable users of the ricefood are widened to the old with weak chewing capacity from the main users of children and the youth, and the leisure food has the function of supplementing the nutrition elements.

The invention relates to a brewing process of xiaoqu elegant white wine by using small-capacity ceramic jar fermentation. The brewing process comprises selecting grains, washing the grains, soaking, cooking, spreading and airing, mixing with yeast, saccharifying, fermenting and distilling steps; and the brewing process is characterized by adding yeast-mixed and saccharified fermented grains to a ceramic jar, pottery jar or porcelain jar, uniformly compacting, adding water the amount of which is 90-120% the weight of the fermented grains, sealing and fermenting, adjusting the ambient temperature to guarantee that the internal temperature of the fermentation jar reaches 38-40 DEG C in winter and spring and 33-36 DEG C in summer and autumn within 72 hours, maintaining the ambient temperatureat 24-26 DEG C after the fermented grains is added to the jar for 90-120 hours, and after the fermentation is carried out for 6-8 days or the residual sugar in the fermented grains is approximate to zero, pouring the fermented grains into a retort pot for distilling. In the brewing process provided by the invention, a small-capacity ceramic jar is used as a fermentation container, thereby facilitating cleaning and disinfection, improving wine quality and taste and improving wine yield; and the white wine brewed by the brewing process provided by the invention has elegant and pure flavor as well as mellow, sweet and refreshing taste, and is gentle, natural, harmonious and joyful.

The invention relates to a method for making a frozen dough through fermented-rice wine. The method comprises the following steps that 1, flour and water are mixed for sour dough fermentation, and a fermented dough is obtained; 2, the fermented dough and dietary alkali are mixed to be uniform, and a first dough is obtained; 3, activated yeast is added into the first dough, a modifying agent is added, the mixture is mixed to be uniform, and a second dough is obtained; 4, flour for secondary butt connection is added into the second dough obtained in the step 3, stirring is carried out, and a third dough is obtained; 5, the third dough is divided into blocks, rolled to be round and reshaped; 6, the rolled and reshaped dough is fermented, and the fermented dough is obtained; 7, the fermented dough is frozen at the temperature of -80--120 DEG C for 10-20 min, the center of the dough is at the temperature of -10--15 DEG C, and the frozen dough is obtained. The frozen dough prepared through the method has the advantages of being convenient to convey and store before being steamed and being free of crack and good in taste after being steamed.

Building panels, such as a floor panels or wall panels. The panels including a first mechanical locking system at respective parallel and opposite third and fourth edges, such as long edges, configured to cooperate for horizontal and vertical locking between two adjacent building panels, preferably by means of a folding motion. The panels further including a second locking system at respective parallel and opposite first and second edges, such as short edges, configured to cooperate for horizontal and vertical locking of two adjacent building panels. An upper edge portion of one of the third edge or fourth edge, preferably the third edge, includes a first lower lip portion configured to cooperate with a first upper lip portion of an upper edge portion of the other of the third and fourth edge of an adjacent panel when the third and fourth edges are arranged in locking engagement.

The invention relates to a garden waste reutilization method. The garden waste reutilization method comprises raw material selection: selecting waste tree parts and removing tree leaves and branch tips, raw material crushing: feeding the tree parts into a crushing machine and carrying out crushing to obtain wood particles with particle sizes less than 2cm, binder addition: adding resin into the wood particles and carrying out stirring to obtain a uniform mixture, wherein the resin addition process is finished within 6min, and mold pressing: feeding the wood particles with the binder into a mold and carrying out molding to obtain a finished product. The garden waste reutilization method utilizes waste tree parts as raw materials for production of other products and improves waste tree part economic benefits. Through main use of the waste tree parts as raw materials, when the product is useless, materials of the product can be degraded so that influence on the environment is avoided.

The invention discloses an aerobic fermentation device for kitchen garbage. The aerobic fermentation device comprises a fermentation tank which is arranged in a sealed mode, a material conveyor for supplying materials into the fermentation tank, a slide rod which is in sliding connection to the fermentation tank in the length direction of the fermentation tank, a drive mechanism used for driving the slide rod to slide in the length direction of the fermentation tank and a turnover throwing mechanism mounted on the slide rod for turning over and throwing materials; a net-shaped blind drain is formed in the bottom surface of the fermentation tank; an oxygen supply tube with oxygen supply holes for supplying oxygen is arranged in the blind drain; one end of the oxygen supply tube is equipped with a gas supply pump; and a gas exhaust tube used for exhausting gas communicates with the fermentation tank. Pulverized garbage is conveyed into the fermentation tank through the material conveyor, and oxygen is supplied into the fermentation tank through the oxygen supply tube, so that garbage is gradually subjected to aerobic fermentation, and is changed into organic substances. Odor generated by aerobic fermentation is less, so that pollution on environment is reduced. Odor only can be exhausted from the gas exhaust tube, so that odor is conveniently collected and treated in a concentrated mode.

The invention discloses a method for improving heavily-viscous saline-alkali soil to plant shrubs and application thereof. The method includes the steps of forming ridges on the land in a planting area, and constructing drainage channels at the interval of 25-35 m in the direction parallel to the ridges; constructing drainage ditches at the interval 20-25 m in the direction perpendicular to the ridges, communicating the drainage ditches with a peripheral water system, and laying dug-out mounds on the ground surface for heightening to form microtopography; conducting rotary tillage on the soilin the planting area until the maximum width of a soil block is smaller than 2 cm, applying a saline-alkali soil synergistic conditioner and an organic fertilizer, conducting horizontal and transversedeep plowing on the soil so that the soil conditioner and the organic fertilizer can be sufficiently and evenly mixed with the soil, and covering the root ground surface with a grass mat by the thickness of 1-3 cm after shrub seedlings are planted. By means of the method, the structure of the heavily-viscous saline-alkali soil can be improved, salt pouring can be accelerated, salt returning can be prevented, the nutrient state of the soil is improved, the salt content and pH value of the soil are reduced, the harm of salt and alkali to the greening shrubs is relieved, the survival rate of theshrubs is increased, and the sustainable development of heavily-viscous saline-alkali soil greening is promoted.

The invention relates to a double-layer type intelligent siamese plastic arched greenhouse for agricultural production. The plastic arched greenhouse comprises an outer-layer arched shed, an inner-layer arched shed, a door wall, a skeleton, an access door, cross beams, longitudinal beams, a plurality of skeleton supporting columns, eye splices, plugging bolts, a coating plastic film, stabilizing frames, a light transmission layer, heat insulating cotton, a heat insulating layer, a heating furnace, firm columns and a ventilating duct, wherein the outer-layer arched shed consists of the skeleton and the coating plastic film covering the outside surface of the skeleton, the plurality of skeleton supporting columns which are upright in a spaced manner are separately arranged at the two ends of the side face of the skeleton, the longitudinal beams are arranged at top ends of the skeleton supporting columns, the cross beams corresponding to the skeleton supporting columns are arranged at middle areas of the longitudinal beams, the door wall is arranged at one side of the outer-layer arched shed, the access door is arranged at the bottom end of the door wall, the inner-layer arched shed is arranged inside the outer-layer arched shed, a ventilating device is arranged at the top of the plastic arched greenhouse, an automated humidity control system is arranged at the rear side of the internal part of the plastic arched greenhouse, the heating furnace is arranged at the middle side of the internal part of the plastic arched greenhouse, and seedling-raising seedling beds and vegetable seedling raising cabinets are separately arranged at the left and right sides of the internal part of the plastic arched greenhouse. The double-layer type intelligent siamese plastic arched greenhouse for agricultural production has the advantages that the service time of the arched greenhouse can be prolonged, the internal humidity of the greenhouse is effectively controlled, the disassembly and assembly are quick, and the structural strength is high.

This present invention relates to improvements in seed and seed-related products, processes for making such products and processes for establishing and improving seed beds and seed bed germination. As additional benefits, this invention is directed at improving soil productivity through enhancements in soil fertility, soil condition / tilth, and control of soil moisture. Further, the invention relates to productive use of certain types of abundantly available manufacturing waste, which waste is currently being disposed of in landfills.

The invention discloses a cosmetic grade water-based pigment composite dispersant and a production method thereof and a liquid pen using the composite dispersant. The cosmetic grade water-based pigment composite dispersant is prepared from magnesium aluminum silicate, deionized water and an amino acrylic acid (ester) copolymers. The cosmetic grade water-based pigment composite dispersant is non-toxic and non-irritating, has good economic benefits, can be used as an excellent suspending agent, can improve the effectiveness of the amino acrylic acid (ester) copolymers, can be used as a modifierand thickener for viscosity to obtain an excellent suspension effect in a lower viscosity range, and has a wide range of PH range stability.

The invention discloses a method for preparing L-glutamic acid chelated potassium monohydrate. The method comprises the following steps of performing a reaction by using potassium carbonate or potassium hydroxide, and L-glutamic acid as raw materials, and by using water of which the temperature is 70-80 DEG C as a solvent, clarifying a solution, adjusting the pH value of reaction liquid to 7.5-8.5, continuing a reaction at 80-85 DEG C for 2-4 hours, decoloring reaction liquid, performing filtration, performing concentration to a Baume degree of 36-38 degree Be, and then performing cooling to 15-20 DEG C; and adding L-glutamic acid chelated potassium monohydrate crystals as seed crystals to concentrated liquid, maintaining the temperature to be 15-20 DEG C, performing stirring for crystallization, performing discharging, performing centrifugation so as to obtain crude products, rinsing every 100 kg of the crude products with 5-10 L of deionized water, and drying solids so as to obtain products of which the chelating degree is 95% or above. According to the method disclosed by the invention, an organic solvent is not used, so that the safety coefficient of production environment is increased, and the cost of the raw materials is substantially reduced; the products are free from solvent residues, and moisture is easy to control; and besides, investment on equipment and sites can be reduced.

Building panels, such as a floor panels or wall panels. The panels include a first mechanical locking system at respective parallel and opposite third and fourth edges, such as long edges, configured to cooperate for horizontal and vertical locking between two adjacent building panels, preferably by means of a folding motion. The panels further include a second locking system at respective parallel and opposite first and second edges, such as short edges, configured to cooperate for horizontal and vertical locking of two adjacent building panels. An upper edge portion of one of the third edge or fourth edge, preferably the third edge, includes a first lower lip portion configured to cooperate with a first upper lip portion of an upper edge portion of the other of the third and fourth edge of an adjacent panel when the third and fourth edges are arranged in locking engagement.

The present invention provides a processing method of instant edible mushrooms. The processing method comprises steps of sorting, silk making, pickling, oil-frying and blending. Specially prepared marinating materials are used to conduct the pickling of edible mushroom mycelia and fragrance can be better infiltrated. A modern device of an oil-frying pot has characteristics of saving time and effort, enabling water to be easy to control, etc. A used modern moist heat sterilization technology can avoid problems that temperature of traditional sterilization operations is difficult to control, burning is easy to happen, etc. The processing method is very conducive to scale, industrialization and standardized productions, helps to promote deep processing of the edible mushrooms, speeds up development of edible mushroom industry, and increases economic benefits of the edible mushrooms. The prepared product by the method is high in retention rate of nutrient components, mycelia are full in morphology, and the instant edible mushrooms are soft, crisp and appropriate, fragrant, spicy and tasty, and convenient to carry. The product is free of preservatives and antioxidants, and has a shelf life of 12-18 months. The instant edible mushrooms are simple in processing technology, short in production period and easy control in process parameters and quality, and do not cause loss of nutrientcomponents and waste of raw materials.

The invention discloses sea reef glaze for pottery ornaments and a preparation method of the sea reef glaze. A technical formula of the sea reef glaze comprises the following components in percentage by mass: 3%-8% of nepheline orthoclase, 35%-55% of high alumina powder, 10%-30% of wollastonite, 3%-8% of dolomite, 10%-20% of calcium carbonate, 3%-8% of talc, 3%-8% of glaze clay and 0.5%-1.5% of CuCO3. The components are weighed according to the formula, fully mixed, and then added to a grinding tank; moisture accounting for 45%-50% the weight of dry powder is added for grinding for 10-15 hours, the concentration of the ground glaze slurry is adjusted until the true specific gravity is 45-50 when the residue rate is 0.1%-0.3% after the powder is screened with a 325-mesh screen, and the glaze slurry is applied to a pottery product through spraying or immersion, is aired and then fired in a kiln at the temperature of 1200-1235 DEG C for 8-11 hours; finally, the glaze is cooled naturally and taken out of the kiln. The prepared sea reef glaze has simple color and luster, is diversified, appears to be matte and rough and also has natural texture like clay glaze.

The invention relates to a tobacco leaf processing technology adopting stemming, slitting and redrying, and belongs to the technical field of tobacco processing. The processing technology provided bythe invention comprises the steps of material preparing and moisture regain, stemming and slitting, storage, tobacco leaf redrying and packaging, and tobacco steam redrying and packaging, wherein during static moisture regain, vacuum moisture regain and mesh belt moisture regain are matched for controlling the moisture and temperature of tobacco leaves, and stemming and slitting replace the traditional leaf-threshing air separating; and after stemming and slitting, tobacco leaves and tobacco stems respectively enter a leaf storage cabinet and a steam storage cabinet to be temporarily stored for moisture balancing and production, and redrying, boxing, cooling-packaging and warehousing are respectively carried out. According to the processing technology, static moisture regain replaces roller moisture regain, roll screening replaces roll sand screening, stemming and slitting replace threshing air separating, a group of storage feeding is reduced, then the problems that the threshing redrying production line is high in energy consumption, large in occupied area, large in tobacco leaf loss, large in noise, large in dust mount, and the like are solved, and the technology has the advantages of low investment and high yield.

The invention discloses a method for utilizing waste edible fungi bags to ferment facultative anaerobic bacillaceae. The method comprises steps of strain rejuvenation, thallus spread cultivation, waste fungi bags nutrition optimization, pretreatment, inoculation, stereoscopic cultivation, drying and crushing, and the like. By utilizing edible fungi bags for fermentation, controllability is strong, moisture, temperature and the like are easy to control in certain scopes; microbiological contamination is not easy to happen even when operators get in or out of a fermentation workshop and air flows; facultative anaerobic bacillaceae is stable in quality and live bacterias are small in content fluctuation; the waste edible fungi bags are utilized, so that raw material cost is low; and the post processing is convenient, and microbiological contamination, which is caused by that facultative anaerobic bacillaceae has no time to dry in cloudy sky, does not happen.

The invention discloses a method for improving soil to plant arbors in a severely-viscous saline-alkali land and an application thereof. The method includes ridging the ground in a planting area, andconstructing drainage channels at intervals of 45-55m parallel to the ridging direction; building a drainage ditch at 20-30m perpendicular to the ridge and communicating with the surrounding water system to ensure that the drenched salt water can be discharged, and padding the excavated soil pile on the soil surface to be elevated for micro-topography; rotary tilling the soil in the planting areauntil the maximum width of the soil mass is less than 3cm, adding a saline-alkali soil synergistic conditioner and an organic fertilizer, evenly spreading, turning the soil vertically and horizontallyand deeply, and mixing the soil fully and evenly; and after the arbor seedlings are planted, covering the roots with straw mats for 2-5cm. The method not only can improve the soil structure of the severely-viscous saline-alkali land, but also can accelerate salt leaching and prevent salt return, reduce the salt content and pH value of the soil, reduce the harm of saline-alkali to greening arbors,improve the survival rate of arbors, and promote the sustainable development of greening of the severely-viscous saline-alkali land.

The invention discloses cefixime dispersible tablets. 1000 cefixime dispersible tablets are prepared from the following raw materials in parts by weight: 40-70 g of cefixime, 5-20 g of pregelatinized starch, 5-20 g of lactose, 5-10 g of low-substituted hydroxypropyl cellulose, 1-5 g of lubricant and a proper amount of polyvinylpyrrolidone. The invention also provides a preparation method of the cefixime dispersible tablets. According to the preparation method, granulation is performed by using a one-step granulation method; the three steps of mixing, granulation and drying of the conventional wet granulation are finished in a closed container at one time; according to the process, the problems that the solvent is remained and discolored in the wet granulation process and the pharmaceutical ingredients are heated to be lost in the drying process are avoided, and the problems such as serious dust flying and high probability of cross contamination during tabletting in the dry granulation process are also avoided.

The invention belongs to the technical field of medicines, and particularly relates to a valaciclovir hydrochloride tablet and a preparation method of the valaciclovir hydrochloride tablet. The preparation method comprises the following steps of adding valaciclovir hydrochloride, a first filler and an adhesive into a fluidized bed for fluidized bed granulation to obtain core particles; and mixing the core particles with a second filler, a disintegrating agent and a lubricant, and performing tabletting to obtain a valaciclovir hydrochloride tablet core. According to the preparation method of the valaciclovir hydrochloride tablet, the fluidized bed granulation is adopted; compared with a wet granulation process, the fluidized bed granulation has the advantages that the process steps are reduced, and the production efficiency is improved; and moreover, the whole process is completed in the fluidized bed, so that continuous industrial production is facilitated, excessive contact between raw material components such as the valaciclovir hydrochloride and the like and water is reduced, the influence of excessive water on the crystal form of the valaciclovir hydrochloride is avoided, and the stability of the valaciclovir hydrochloride is improved.

The invention discloses a device and a method for continuously producing aluminum sulfate octahydrate, and belongs to the technical field of comprehensive utilization of waste sulfuric acid. The device comprises a waste sulfuric acid tank, a sulfuric acid conveying pump, an elevated tank, a first raw material mixing kettle, a solid feeding bag, a raw material pump, a plurality of reaction kettles,a reaction kettle heat exchanger, a steel belt granulator, a product tank, a feed liquid pump and a second raw material mixing kettle, waste sulfuric acid in the waste sulfuric acid tank enters the elevated tank through the sulfuric acid conveying pump, and sulfuric acid in the elevated tank and aluminum hydroxide in the solid feeding bag are respectively added into the first raw material mixingkettle or the second raw material mixing kettle regularly and quantitatively to be mixed into raw material slurry; the raw material slurry sequentially enters a plurality of reaction kettles through araw material pump to react, the slurry obtained after the reaction is molten aluminum sulfate octadecahydrate, the molten aluminum sulfate octadecahydrate is conveyed to the steel belt granulator tobe crystallized, granulated and dried, and finally the molten aluminum sulfate octadecahydrate is conveyed to the product tank to be collected. The reaction temperature is controlled to be higher thanthe crystallization temperature, so that the system is in a fluid state and cannot crystallize to block equipment.