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Refrigeration equipment capable of achieving undercooling preservation and control method of equipment
InactiveCN109253572AWon't flow outWon't be lostLighting and heating apparatusDomestic refrigeratorsThree stageProcess engineering
The invention discloses refrigeration equipment capable of achieving undercooling preservation and a control method of the equipment. The refrigeration equipment comprises an undercooling chamber, theundercooling chamber is provided with an air inlet and an air return port, and the air inlet of the undercooling chamber is provided with an air door; a temperature sensor for detecting real-time temperature in the undercooling chamber is arranged in the undercooling chamber, and a control device is further arranged on the refrigeration equipment. The rotation speed and of a compressor and opening and closing of the air door are controlled by the control device, the temperature of the undercooling chamber is controlled accordingly, after food is put into the undercooling chamber, the undercooling chamber is subjected to the three stages including primary cooling, secondary cooling and low-temperature maintenance in sequence, and the average cooling speed of the primary cooling stage is larger than that of the secondary cooling stage. The refrigeration equipment has the advantages that undercooling preservation of the food is achieved, and accordingly the food quality is guaranteed.
Owner:HEFEI KINGHOME ELECTRICAL CO LTD
High-energy composite peptide selenoprotein nutrient solution, preparation method and application thereof
ActiveCN103145495AIncreased peroxidase contentImprove stress resistanceBio-organic fraction processingMagnesium fertilisersMedicinal herbsHigh energy
Owner:谢超
Water-based fully-synthetic titanium alloy cutting fluid
ActiveCN106479657ANot prone to corruptionExtended service lifeLubricant compositionWater basedNitrite
The invention relates to a water-based fully-synthetic titanium alloy cutting fluid. The titanium alloy cutting fluid is prepared from components in percentage by weight as follows: 1%-20% of a main lubricating agent, 1%-10% of an auxiliary lubricating agent and the balance of water. The titanium alloy cutting fluid belongs to a water-based fully-synthetic metal machining fluid, doesn't contain oily ingredients such as mineral oil, plant oil and the like, doesn't contain nitrite, secondary amine, formaldehyde, formaldehyde releasing substances, chlorine, chromium or other elements, is friendly to the environment and human bodies, doesn't easily decay and is long in service life.
Owner:超滑科技(佛山)有限责任公司
Sludge treatment system and sludge treatment method
InactiveCN104030537AIncrease in sizeSmall particlesSludge treatment by de-watering/drying/thickeningSludge treatment by pyrolysisEngineeringThermal water
The invention discloses a sludge treatment system, comprising a sludge collecting tank, a sludge regulating pool, a sludge thermal hydrolysis device, a heat exchanger, an anaerobic reaction device, a sludge dewatering device and a sludge drying device, which are sequentially connected. The sludge treatment system also comprises a gas storage tank and a biogas boiler, wherein the input end of the gas storage tank is connected with the exhaust end of the anaerobic reaction device; the fuel input end of the biogas boiler is connected with the output end of the gas storage tank; the output end of the biogas boiler is connected with the sludge thermal hydrolysis device; the discharge end of the sludge dewatering device is connected with the input end of the sludge regulating pool. The invention also discloses a sludge treatment method. The sludge treatment method comprises the following steps: 1) collecting a sludge material and diluting by water; 2) hydrolyzing the diluted sludge material at high temperature; 3) carrying out anaerobic digestion on the sludge subjected to thermal hydrolysis to obtain biogas and digested sludge; 4) collecting the biogas; 5) dewatering and drying the digested sludge to obtain a sludge product. Reclamation, harmlessness, minimization and stabilization of sludge treatment are achieved by the steps and method.
Owner:王胜初
Formula of marinade and preparation method of marinade
The invention relates to a formula of marinade and a preparation method of the marinade. An inventor develops the special marinade for preparing spiced-food from pure natural raw materials by an in-depth research according to traditional local cuisine secret recipes; meat prepared from the marinade is unique in flavor, and fragrant but not greasy, does not rot easily, and has certain health efficacies; in addition, the preparation method is simple; large or small scale operation both can be realized; and popularization and application are facilitated.
Owner:郝涤非
Processing method of typical-local-flavor fresh-water dried fish
ActiveCN102349566AShort soaking timeGreat tasteMeat/fish preservationClimate change adaptationMonosodium glutamateSaline water
The invention relates to a processing method of typical-local-flavor fresh-water dried fish, which is characterized by comprising the following steps that: selecting raw material fish, primary washing, salting, secondary washing, primary air drying, flavoring, secondary air drying, vacuum packing, binning and warehousing and refrigerating; the salting procedure is that: a dry salt smearing method is adopted, seasoning consisting of 2 to 3 parts of salt, 0.01 to 0.02 part of white sugar and 0.005 to 0.01 part of monosodium glutamate is used for salting 100 parts of fish bodies, the salting time is 2.5 to 3.5 hours, and the salting temperature is 18 to 25 DEG C; and the air drying procedure is that: the fish bodies are arranged into an air-cooling drying house, the room temperature of the air-cooling drying house is maintained at 18 to 20 DEG C, the air relative humidity is maintained at 40 to 50 percent, and the air drying time is 10 to 13 hours. Compared with the prior art, the processing method of the typical-local-flavor fresh-water dried fish has the following advantages that: 1. the production process is free from being influenced by the season; and 2. the smearing method is used for salting the fish rather than a salty water is used for salting the fish, so the salting time is short.
Owner:广东省中山食品水产进出口集团有限公司
Method of removing fishy and refreshing for fresh water fish
InactiveCN101223904ASolve the heavy earthy smellAddressing CorruptionMeat/fish preservation using chemicalsFresh waterGingerol
The invention discloses a method for removing fishy smell and preserving freshwater fish. The method comprises the steps that: 1) preparation of fishy smell eliminating and preserving solution as following: 6-8 portions of ginger, 6-8 portions of garlic and 6-8 portions of onion are mixed, ground, hemogenated, and then 76-82 portions of rice wine is added to obtain a mixture; the mixture is extracted by ultrasonic wave and then filtered to obtain a filtrate, that is, the fishy smell eliminating and preservative solution; 2) freshwater fish which is killed, cleaned and directly soaked into the fishy smell eliminating and preserving solution; 3) the soaked freshwater fish can be stored for 7-9 days. The method of the invention can remove bilgy odour of freshwater fish and ensure that freshwater fish is not likely to rot.
Owner:ZHEJIANG UNIV
Novel auxiliary material for barbecue fuel and preparation method thereof
The invention discloses a novel auxiliary material for barbecue fuel and a preparation method thereof. The auxiliary material comprises the following components in part by weight: 35 to 40 parts of cypress branch and leave powder, 10 to 15 parts of nut hull powder, 3 to 5 parts of orange meal, 10 to 15 parts of saw powder and 40 to 45 parts of crop straw powder. The method comprises the following steps of: crushing cypress branches and leaves, nut hulls, the saw powder, straw and orange peel, mixing the crushed materials, and sterilizing to prepare the auxiliary material for the barbecue fuel. The auxiliary material can control the temperature reasonably, so that the temperature of charcoal fire is constant due to the coverage of the auxiliary material powder; and products are fire-cured by generated high-temperature smoke, so that the products have unique flavors. By the auxiliary material, the defect that the original barbecue with the Gaeml flavor only can be prepared from fresh materials in national habitations due to the limit of raw materials is overcome; and various fire-cured barbecues are delicious in taste, the barbecue raw materials are difficult to burn, and the prepared seasoning bag is convenient to carry, transport and store and difficult to rot.
Owner:KAILI UNIV
Instant crispy and tasty fresh-keeping vegetable and preparation method thereof
ActiveCN104886512AExcellent sensory scoreExtended shelf lifeFood ingredient as antioxidantFood preparationRoom temperatureFood flavor
The invention discloses an instant crispy and tasty fresh-keeping vegetable and a preparation method thereof. The preparation method mainly comprises the following steps: (1) cleaning, blanching and calcifying a fresh vegetable to obtain a vegetable base material; (2) weighing the vegetable base material in a formula ratio and adding a proper amount of seasoner into the vegetable base material, and uniformly stirring; (3) adding a proper amount of an acidity regulator into the seasoned vegetable base material and uniformly stirring to obtain an instant crispy and tasty fresh-keeping vegetable semi-product with a non-significant sour feeling with the pH value of 3.0-4.6; (4) quantitatively packing the instant crispy and tasty fresh-keeping vegetable semi-product to obtain a fresh-keeping vegetable pack; and (5) putting the fresh-keeping vegetable pack into a sterilization room to sterilize, and cooling the fresh-keeping vegetable pack to room temperature after sterilization to obtain the instant crispy and tasty fresh-keeping vegetable. The preparation method is simple, safe and easy to operate, and the instant crispy and tasty fresh-keeping vegetable prepared by the preparation method is crispy and tender in taste, non-significant in sour feeling, stable in flavor and long in expiration date.
Owner:UNI PRESIDENT ENTERPRISES CHINA INVESTMENT CO LTD KUNSHAN RES & DEV CENT +1
Refrigerating equipment with universal application function and control method thereof
InactiveCN109253570AWon't flow outNot prone to corruptionLighting and heating apparatusDomestic refrigeratorsProcess engineeringRefrigeration
The invention discloses refrigerating equipment with a universal application function and a control method thereof. A refrigeration circulating system is arranged in the refrigerating equipment. The refrigerating equipment comprises a temperature varying chamber. The temperature varying chamber is provided with an independent air door. A temperature sensor for detecting the real-time temperature in the temperature varying chamber is arranged in the temperature varying chamber. A control device is further arranged on the refrigerating equipment, the temperature of the temperature varying chamber is controlled by controlling the rotating speed of a compressor and opening and closing of the air door through the control device, and after food is put in the temperature varying chamber, the temperature varying chamber sequentially suffers from a first cooling stage, a second cooling stage, a third cooling stage and a fourth cooling stage, wherein the average cooling speed of the first cooling stage is higher than that of the second cooling stage, and the average cooling speed of the third cooling stage is higher than that of the second cooling stage. Compared with the prior art, the refrigerating equipment and the control method thereof have the advantages that the function that the food is easy to cut after being frozen is achieved, and the quality of the frozen food can be guaranteed.
Owner:HEFEI KINGHOME ELECTRICAL CO LTD
Fresh chili sauce and preparation method thereof
The invention relates to a fresh chili sauce. The fresh chili sauce is prepared from the following raw materials in parts by weight: 40-60 parts of fresh chilies, 40-60 parts of fresh green chilies, 10-20 parts of sweet soybean paste, 5-15 parts of carrots, 5-15 parts of fresh crataegus pinnatifida bunge, 5-15 parts of plant oil, 5-15 parts of table salt, 5-15 parts of white sugar, 5-15 parts of garlic, 15-25 parts of table vinegar, 2-8 parts of gourmet powder and 1-4 parts of pepper. The invention further provides a preparation method of the fresh chili sauce. The preparation method comprises the following steps: (1) cutting the fresh chilies and the fresh green chilies into dices with the size of 1cm*1cm and the carrots into dices with the size of 0.2cm*0.2cm, smashing the garlic into dices with the size of 0.5cm*0.5cm for future use, denucleating the fresh crataegus pinnatifida bunge and cutting the denucleated crataegus pinnatifida bunge into dices with the size of 0.5cm*0.5cm for future use; and (2) stewing the raw materials of the step (1) with the sweet soybean paste, the plant oil, the table salt, the white sugar, the table vinegar and the pepper in a pot by gentle fire, stirring one time every minute before the mixture is boiled, putting the gourmet powder after the mixture is boiled for 25-30 minutes, stirring uniformly, taking a product from the pot and filling into a bottle. The fresh chili sauce is good in mouth feel and good in flavor; after eating the fresh chili sauce, people do not easily get the internal heat; the fresh chili sauce can be stored for a long time after being uncovered and is unlikely to go bad.
Owner:张振梅
Slickwater fracturing fluid suitable for being used at hypersalinity condition
InactiveCN108559477AGood drag reduction performanceSimple processDrilling compositionSalt resistanceStabilizing Agents
Provided is a slickwater fracturing fluid suitable for being used at a hypersalinity condition. The slickwater fracturing fluid is prepared from, by mass, 0.15-0.45% of polymer viscosifier, 0.05%-0.15% of chelating agent, 0.05%-0.15% of dispersing agent, 0.02%-0.05% of clay stabilizer, 0.30%-0.50% of structure stabilizer, 0.02%-0.06% of gel breaker and the balance water. The slickwater fracturingfluid has the advantages of being low in viscosity, friction and cost and easy to recycle, easily flowing back and the like; the problems are mainly solved that at the hypersalinity condition, polymers are poor in salt resistance and sand-carrying stability and does not easily disperse; the problem can also be solved that vegetable glue fracturing fluid easily rots; after being filtered, flow-backliquid can be further directly recycled, and requirements of large-scale fracturing construction of compact oil-gas reservoirs can be effectively met.
Owner:PETROCHINA CO LTD
Composite fermentation inoculant for processing animal wastes, and preparation method and application thereof
ActiveCN103074228AImprove fermentation effectGrowth inhibitionBacteriaMicroorganism based processesBiotechnologyFermentation
The invention discloses a composite fermentation inoculant for processing animal wastes, and a preparation method thereof. The composite fermentation inoculant is characterized in that the active components of the composite fermentation inoculant comprise Bacillus beringensis, Rhodobacter sulfidophilus and Cellulomona ssp.; the mass ratio of the Bacillus beringensis to the Rhodobacter sulfidophilus to the Cellulomona ssp. is 0.5-1.5:0.5-1.5:0.5-1.5; and the preparation method comprises the following steps: carrying out inclined strain culture of the Bacillus beringensis, the Rhodobacter sulfidophilus and the Cellulomona ssp.; carrying out liquid seed enlargement culture to obtain a Bacillus beringensis broth, a Rhodobacter sulfidophilus broth and a Cellulomona ssp. broth; and mixing the above broths according to a mass ratio of 0.5-1.5:0.5-1.5:0.5-1.5, inoculating the mixed broth to a solid enlargement culture medium with the inoculation amount of 4-5%(w / v), and carrying out enlargement culture to obtain the composite fermentation inoculant. The composite fermentation inoculant has the advantages of deodorizing, inhibition of the growth of pathogenic microorganisms in the animal wastes, improvement of the content of proteins in the animal wastes, high processing efficiency and strong pertinence.
Owner:河北沃稼农业科技有限公司
Half-plant type pure-oil-based cutting oil and application thereof
The invention relates to half-plant type pure-oil-based cutting oil and application thereof. The half-plant type pure-oil-based cutting oil mainly solves the problems that in the prior art, oxidation is prone to occurring, high-temperature oil mist is heavy, and low-temperature storage application is inconvenient. The half-plant type pure-oil-based cutting oil is prepared from, by weight, 45-60 parts of mineral oil, 30-45 parts of vegetable oil, 1-2 parts of base number retention agents, 0.2-0.5 part of antioxidants, 3-10 parts of extreme-pressure agents, 1-10 parts of anti-friction agents and 1-3 parts of antirust agents. According to the half-plant type pure-oil-based cutting oil and the application thereof, the problems are better solved, the higher tapping efficiency is achieved, and the half-plant type pure-oil-based cutting oil can be applied to a titanium alloy and stainless steel metal processing technology.
Owner:CHINA PETROLEUM & CHEM CORP
Composite substrate suitable for artificially breeding ragworms and construction method thereof
ActiveCN101755711AImprove survival rateFast growth rateAnimal husbandryFluorescenceComposite substrate
The invention relates to a composite substrate suitable for artificially breeding ragworms and a construction method thereof and belongs to the technical field of aquiculture. According to the life habit of the ragworms and different proportions and thicknesses, pebble, fine sand, clay and the like with different grain diameters run through a coarse pebble layer, a fine pebble layer, a coarse sand layer, a fine sand layer and a clay mud layer in sequence from bottom to top to perform composite matching; and the thickness range of the composite substrate is between 50 and 100 cm. The composite substrate has high permeability and is suitable for the living of the ragworms and difficult to decay and deteriorate. A surface layer contains mass organic matters which can provide high-quality sufficient bait for the ragworms. Through detection, the composite substrate suitable for artificially breeding the ragworms and the construction method of the embodiment of the invention are used for breeding the ragworms; the survival rate of the breeding is up to 70 to 90 percent per year; and larvas with weight between 0.5 and 1.0 g can be up to about 10 g after one-year breeding. The body color of the ragworms is maroon; the heads of the ragworms have fluorescence; and the constitution is lusty.
Owner:DALIAN OCEAN UNIV
Fracturing fluid of crosslinking association polymer and production method thereof
InactiveCN106590611ANot prone to corruptionEasy to break glueDrilling compositionPolymer scienceFracturing fluid
The invention relates to the field of fracturing fluid technology and provides fracturing fluid of crosslinking association polymer and a production method thereof. The fracturing fluid of crosslinking association polymer is prepared from, by weight, 0.3 part - 0.6 part of association polymer thickening agent, 0.5 - 2 parts of crosslinking agent, 0.2 - 1 part of cleanup additive, 0.05 - 0.5 part of breaking agent, 0.1 - 1 part of clay stabilizer, 94.9 - 98.85 parts of water. According to the fracturing fluid of crosslinking association polymer, non-metallic crosslinking agent is used to crosslink association polymer molecules under neutral conditions to form clean fracturing fluid of crosslinking association polymer with moderate viscosity, low friction, no residue, imputrescibility, and easy breaking. The fracturing fluid of crosslinking association polymer not only is suitable for the mixture and dispersion of proppant, but also ensures the carrying effect of the proppant.
Owner:XINJIANG ZHENGTONG OIL & GAS CO LTD
Preparation process for oxidized cationic sizing starch
InactiveCN103696320AStable performanceStable qualityWater-repelling agents additionPaper/cardboardCarbonyl groupTapioca starch
The invention discloses a preparation process for oxidized cationic sizing starch. The preparation process is characterized in that molecules of oxidized starch generate carbonyls after the tapioca starch is oxidized by an oxidizing agent, and in addition, dissociation-polymerization reaction is initiated; cationic starch is generated by performing etherification reaction on the oxidized starch and a quaternary ammonium salt cationic chemical reagent (3-chlorine-2-hydroxypropyl chlorine) under an alkaline condition; oxidized quaternary ammonium cationic starch is obtained by composite reaction, namely by combining starch oxidization reaction and etherification reaction; a vacuum pollution-free dry process is adopted for a production process; oxidized quaternary ammonium cationic starch, namely the oxidized cationic sizing starch, with different viscosity and substituted ratios can be synthesized by adjusting the ratio of the starch, the oxidizing agent and an etherification agent. The preparation process is free of wastewater emission and environment-friendly, the performance of a product and the quality of a paper product are stable, the sizing requirements of a high-speed paper machine can be met, imported surface sizing starch can completely be replaced, and the paper cost can be lowered.
Owner:江西红星变性淀粉有限公司
Construction method for tropical rainforest hanging garden
ActiveCN105794612AGuaranteed growth environmentImplement the buildAgriculture gas emission reductionCultivating equipmentsEngineeringMaterial resources
The invention discloses a construction method for a tropical rainforest hanging garden. The construction method comprises the following steps that 1, a stereoscopic simulation tree-shaped framework is built with metal pipes, a layer of bark pieces are attached to the outer surface of the framework and tied with iron wires for fixation, and a simulation landscape tree is obtained; 2, epiphytes are wound and fixed to the outer surface of the simulation landscape tree through transparent fishing lines; 3, a vessel containing liquid is arranged in the simulation landscape tree, the simulation tree-shaped framework and the vessel are connected through multiple liquid guide pipes, and then the tropical rainforest hanging garden is obtained. According to the construction method, the epiphytes can be exhibited and scientifically popularized in a warm and wet artificial environment, the simulation landscape tree can be used for a long time by serving as an exhibition carrier, an automatic water supply system can achieve automatic irrigation and feed, and a large quantity of manpower and material resources are saved.
Owner:WUHAN BOTANICAL GARDEN CHINESE ACAD OF SCI
Coconut brick fertilizer prepared from coconut shells and making method thereof
InactiveCN105481602AEfficient recyclingSuitable for germination and differentiationFertiliser formsFertilizer mixturesFiberBrick
The invention discloses a coconut brick fertilizer prepared from coconut shells and a making method thereof. The coconut brick fertilizer is prepared from 40 to 50% of coconut powder, 20 to 25% of organic fertilizer, 5 to 10% of a rapeseed cake, 1 to 5% of starch, 5 to 10% of perlite and 0.1 to 1% of trace elements through crushing of the coconut shells, screening, high temperature disinfection, proportioning and compression. The prepared coconut brick fertilizer has the advantages of abundant fibers, good air permeability, a moderate pH value, no pollution, a small occupied area, convenience in transport and storage, exclusion of insect diseases, small possibility of decomposition and long service cycle, and can be extensively applied to flowers with high requirements on air permeability and water retention performance. According to the invention, reclamation of coconut shell waste is effectively realized.
Owner:倪春仙
Preparation method of acellular dermal matrix material
InactiveCN109364298AClean up thoroughlyLow toxicityTissue regenerationProsthesisAntigenSplit skin graft
The invention discloses a preparation method of an acellular dermal matrix material. The preparation method of the acellular dermal matrix material is characterized in that removing flesh and hair from an animal skin, then taking a split-skin graft, and carrying out defatting, unhairing, inactivation of virus, cell extraction, crosslinking modification, cleaning and moisturizing, packing and irradiation sterilization processes to obtain the acellular dermal matrix material. The preparation method of the acellular dermal matrix material has the characteristics that the process time is short, aneffect of removing antigen substances is good, and the material has quite good adhering property, moisture retention property, breathability and the like.
Owner:JIANGYIN BENXIANG BIOTECHOLOGY
Slick water fracturing fluid for low temperature reservoir
InactiveCN108587593APromote swellingEnables continuous mixingDrilling compositionFracturing fluidViscosity
The invention belongs to the technical field of oil field production increase, and specifically provides a slick water fracturing fluid for low temperature reservoir, wherein the components comprise,by mass, 0.15-0.25% of a thickener, 0.03-0.05% of a clay stabilizer, 0.20-0.30% of a structure stabilizer, 0.05-0.10% of a low temperature activator, 0.02-0.05% of a gel breaking agent, and the balance of water. According to the present invention, the slick water fracturing fluid for low temperature reservoir is developed, can meet the fracturing fluid system with characteristics of low viscosity,low friction, low cost, easy flowback, easy recovery and the like, and can rapid break the gel in the low temperature reservoir to reduce the damage on the stratum so as to well meet the reforming needs of low-permeability oil and gas field low-temperature reservoirs.
Owner:PETROCHINA CO LTD
Non-ferrous metal semisynthesis machining liquid
InactiveCN102010778ANot prone to corruptionExtended shelf lifeLubricant compositionWater basedFatty acid
The invention provides a non-ferrous metal semisynthesis machining liquid, relating to a metal machining liquid. The non-ferrous metal semisynthesis machining liquid comprises the following components by weight percent: 20-56% of water, 5-20% of triethanolamine, 1-10% of 2-diamido-2-dimethyl pH stabilizing agent, 1-5% of benzotriazole (T706), a water-based antirusting agent (T485), 1-15% of boric acid, 5-10% of dipropylene glycol methyl ether coupling agent, 2-10% of bactericide BK, 5-20% of castor oil fatty acid, 1-20% of tallol fatty acid, 1-40% of No10 transformer oil, 1-30% of nonionic surfactant, 10-20% of anionicsurfactant and 10-20% of potassium sorbate oleate. The non-ferrous metal semisynthesis machining liquid has favorable quality and long shelf life, is green and environment-friendly, and can be widely used in machining of non-ferrous metal process.
Owner:广东垠星科技发展有限公司
Wetting and drying alternation type sewage purification method
InactiveCN104671421AEasy to handleNot prone to corruptionTreatment with aerobic and anaerobic processesSustainable biological treatmentSiphonPurification methods
The invention discloses a wetting and drying alternation type sewage purification method. Sewage flows into a wetland filler layer of a wetting and drying alternation type sewage purification device until the sewage submerges wetland filler, the wetland filler is submerged in the sewage to be in an anaerobic state, and gaps of the wetland filler are filled with air to be in an oxygen-containing state when the sewage is pumped out of the wetland filler layer, so that the wetland filler and sewage are in a wetting and drying alternation circulation state. A natural siphon or water pump including but not limited to a siphon pipeline pumps out sewage intermittently, so that the wetting and drying alternation function of an upper wetland filler layer is realized. Wetting and drying alternation circulation of the wetland filler in the sewage is realized, and the gaps of the wetland filler are in an oxygen-enriched state due to the fact that oxygen is accommodated in the gaps of the wetland filler and root systems of a wetland plate are contacted with air, so that the treatment effect of sewage is improved. Devices are used simultaneously in a parallel-connection or series-connection manner, and the continuous stable effect of water quality of the treated domestic sewage is remarkable.
Owner:吴永贵 +2
Slick water fracturing fluid for tight sandstone reservoirs and application thereof
InactiveCN108102634APromote swellingRealize the whole process of carrying sandFluid removalDrilling compositionFiltrationEconomic benefits
The invention provides a slick water fracturing fluid for tight sandstone reservoirs and application thereof. The slick water fracturing fluid comprises, by weight, 0.15%-0.35% of a thickener, 0.03%-0.05% of a clay stabilizer, 0.03%-0.05% of a cleanup additive, 0.20%-0.50% of a complexing agent and 0.02%-0.05% a gel breaker, with the balance being water. The slick water fracturing fluid of the invention can swell quickly and achieve continuous blending, and is not easily affected by bacteria, not prone to decay, low in construction friction and capable of realizing large-displacement continuous construction; sand carrying in the whole process can be realized by adjusting the concentration of the thickener; a flowback fluid can be repeatedly used through simple filtration in recovery of theflowback fluid; and the slick water fracturing fluid has the advantages of simple process, high utilization rate, low cost and good economic benefits.
Owner:PETROCHINA CO LTD
Local digestive treatment device for kitchen garbage
InactiveCN108855342ANot prone to corruptionAvoid pollutionGrain treatmentsHeating arrangementLitterPollution
The invention discloses a local digestive treatment device for kitchen garbage. The local digestive treatment device comprises a shell. A feeding bin is arranged at the top end in the shell. A treatment bin is arranged on the portion, located below the feeding bin, in the shell. A drying bin is connected to the bottom end, below the treatment bin, of the shell. The feeding bin and the treatment bin are arranged in a communicating manner. The treatment bin and the drying bin are arranged in a communicating manner. A first guide plate is arranged in the feeding bin. The first guide plate is arranged at the angle of 60-75 degrees. A second guide plate is arranged at the internal bottom end of the treatment bin. The second guide plate is arranged at the angle of 45-60 degrees. According to thelocal digestive treatment device for the kitchen garbage, the garbage is fed from the feeding bin, then the garbage is smashed through the treatment bin, finally the garbage is dried, thus the stacked garbage does not corrupt easily, pollution to the surrounding environment is avoided, the garbage can be treated locally, and people can use the local digestive treatment device conveniently.
Owner:贵州德科科技有限公司
Microbial composite bacterial preparation and application thereof to preparation of fermented feed
The invention relates to a microbial composite bacterial preparation and application thereof to preparation of a fermented feed, and belongs to the technical field of biology and the technical field of fermentation. The invention provides a microbial composite bacterial preparation which is high in safety and can effectively inhibit filamentous fungi such as penicillium expansum, aspergillus niger, penicillium roqueforti, penicillium digitatum and the like. The microbial composite bacterial preparation consists of bifidobacterium longum with the preservation number of GDMCC No.60926 and lactobacillus plantarum with the preservation number of CGMCC No.5494; the fermented feed prepared by utilizing the microbial composite bacterial preparation is rich in nutrient, not liable to decay and very high in safety; and the concrete embodiment is that: in the fermented feed prepared by utilizing the microbial composite bacterial preparation, content of mould is 0 CFU / g, and after the fermented feed is placed for 15d at a temperature of 30 DEG C, the content of the mould in the fermented feed prepared by utilizing the microbial composite bacterial preparation is still 0 CFU / g.
Owner:JIANGNAN UNIV
Highly efficient mechanized production method of dried mangoes
ActiveCN108523049AReduce wasteImprove efficiencyFood ingredient as antioxidantFood freezingSodium sulfiteCarotene
The present invention provides a highly efficient mechanized production method of dried mangoes. A step 1 can enable whole mangoes to be heated to be swelled and mango surface skins to be tight; a step 2 enables the surface skins of the mangoes to be split into a plurality of fine pieces and thereby facilitates the drying and falling of the surface skins of the mangoes; a step 3 enables the surface skins of the mangoes to be gradually split gradually in a piece form and drop under blowing of flowing steam, removes the thin outer skins of the mangoes, does not remove and damage mango fleshes, does not enable the mango fleshes to be spoiled in a waiting period before pickling, retains the mango fleshes as much as possible, reduces waste, does not need manual peeling, greatly improves efficiency and reduces costs; and in a step 4, sodium pyrosulfite penetrates into the mango fleshes to be decomposed into sulfurous acid with a highly strong reducing power to destroy an oxidation system ofenzymes and prevent oxidative discoloration; carotene and vitamin C are not destroyed by oxidation; at the same time, the sulfurous acid is also a good preservative and quite strong in elimination ofmold spores and acetic acid bacteria, and helps storage in the future.
Owner:漳州蒂妮食品有限公司
Water displacement type steel plate lubrication and rust prevention oil
InactiveCN106010756AWill not affect service lifeComplete anti-rust effectLubricant compositionReducerRust converter
The invention discloses water displacement type steel plate lubrication and rust prevention oil. The water displacement type steel plate lubrication and rust prevention oil is obtained by adding an antirust agent, a lubricant, a pour point reducer and an antioxidant to mineral oil, and used for sealing storage of cold-rolled steel coils and rust prevention of intermediate processes. The greatest advantage of the water displacement type steel plate lubrication and rust prevention oil is high water displacement property; by the adoption of the water displacement type steel plate lubrication and rust prevention oil, a small amount of moisture left on a leveled cold-rolled sheet can be separated from the sheet by means of an antirust additive with high adsorbability and small surface tension, so that a rust prevention effect is well realized; meanwhile, degreasing can also be achieved, degreasing rate reaches 80%, and follow-up processing can not be affected; rust prevention time is long, no oil patch residue is left, low temperature resistance is realized, environment friendliness is realized, no odor is generated, cost is reasonable, price is moderate, and extensive use can be conducted; the frequency of rust prevention maintenance can be reduced, maintenance cost can be reduced, environment friendliness and safety are realized, and three-waste emission is avoided in production and use.
Owner:KUSN XINYU CHEM
Sea urchin polypeptide face cream and preparation method thereof
InactiveCN107281008AThe reaction conditions are mild and controllableFacilitate large-scale industrial productionCosmetic preparationsToilet preparationsSolubilitySea urchin
The invention belongs to the technical field of cosmetics and particularly relates to sea urchin polypeptide face cream and a preparation method thereof. The sea urchin polypeptide face cream is prepared from components as follows: sea urchin polypeptides, hemp oil, olive oil, an emulsifier, a moisturizer, a thickener, a preservative and distilled water. The sea urchin polypeptide face cream and the preparation method have the beneficial effects as follows: discarded internal organs of sea urchin processing are subjected to enzymolysis, separation, purification and other treatment, sea urchin polypeptides with molecular size being 1kD-10 kD are extracted and have the characteristics of being free from foreign odor, good in water solubility and easily absorbed by skin, then the sea urchin polypeptides are mixed with other components, the prepared face cream has the advantages of being free from foreign odor and easy to absorb, metabolism of skin cells can be promoted, and skin moisture and elasticity are kept.
Owner:熊廷珍
Antibacterial easy-to-clean water-soluble drawing oil and preparation method thereof
PendingCN111763552AImprove workpiece surface qualityExcellent extreme pressure performanceLubricant compositionBacteriostatic agentActive agent
The invention relates to the technical field of stretching lubricating oil and preparation thereof, in particular to antibacterial easy-to-clean water-soluble drawing oil and a preparation method thereof. The water-soluble drawing oil is prepared from the following components in parts by weight: 25-50 parts of synthetic oil, 10-15 parts of base oil, 5-10 parts of an emulsifier, 8-10 parts of a reinforcing agent, 7-10 parts of a surfactant, 1.5-3.0 parts of a bacteriostatic agent, 16-20 parts of an extreme pressure anti-wear agent, 6-10 parts of a metal cleaning agent and 4-5 parts of a rapid defoaming agent. The water-soluble drawing oil is prepared by mixing and stirring the components and heating. The problems that in the prior art, water-soluble drawing oil is prone to bacteria generation, large in foam and poor in cleaning effect are solved, and the provided water-soluble drawing oil has the advantages of being good in compression resistance and abrasion resistance, good in antibacterial effect, capable of achieving rapid defoaming and easy to clean.
Owner:昆山泰诺得润滑科技有限公司
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