36 results about "Sodium diacetate" patented technology

The present invention pertains to use of sodium diacetate (NaHAC2) as an antimicrobial agent against bacteria growing in biofilms. The aspects of the invention include a wound care product comprising sodium diacetate, a kit comprising a wound care product, and a method of treating an infected wound.

The application discloses a kind of sodium diacetate processing waste gas collection and treatment equipment, belong to waste gas collection and treatment equipment technical field, including tower body, exhaust port is arranged on the upper portion of tower body, and air inlet pipe and liquid discharge pipe are respectively fixedly connected from top to bottom on tower body, and switch valve is arranged on liquid discharge pipe, alkali component is arranged on the side of tower body, pressure regulating valve is arranged on alkali component, wire mesh demister component and rain shower component are respectively arranged from top to bottom in tower body, alkali component is connected with wire mesh demister component, wire mesh demister component is connected with rain shower component, the integrated structure and split type structure of wire mesh demister component are switched by adjusting the liquid inlet pressure of alkali liquor of alkali washing, to achieve that sodium diacetate powder particle concentration in waste gas is small or large, both can reduce the degree of powder particle to wire mesh demister component blockage and can maximize efficiency intercepting mist drop.

The invention discloses a normal-temperature fresh-keeping method for steamed stuffed buns. According to the fresh-keeping method, the steamed stuffed buns are kept fresh at the normal temperature in a composite mode of adding a compound preservative and a fresh-keeping material and performing controlled atmosphere; the compound preservative comprises calcium propionate, sodium diacetate and epsilon-polylysine and is added in the preparation process of the steamed stuffed bun, the fresh-keeping material and the modified atmosphere are added and carried out in the packaging process, and stuffing adopted by the steamed stuffed bun is non-pre-cooked stuffing. According to the method, the steamed stuffed buns are preserved in a composite mode of simultaneously adding the compound preservative, performing air conditioning and adding the preservation material, so that the fresh quality of the steamed stuffed buns can be effectively maintained, the steamed stuffed buns have good color, flavor, texture, water binding capacity and nutrition, the storage period of the steamed stuffed buns at normal temperature is remarkably prolonged, and the quality of the steamed stuffed buns is improved. The method has the advantages of convenience in transportation, continuous production and the like, and has wide market prospects.

The invention provides a high-brightness water-based fluorescent penetrant. The high-brightness water-based fluorescent penetrant comprises the following components in parts by weight: 0.1-0.5 part of fluorescein 8G; 2-5 parts of a color development enhancer; 3 to 5 parts of alkyl glycoside; 5 to 10 parts of fatty alcohol-polyoxyethylene ether (3) disodium monosulfosuccinate; 0.5 to 2 parts of ascorbic acid stearate; 0.1 to 0.5 part of sodium diacetate; 5 to 10 parts of a water-soluble solvent; and 60 to 80 parts of water. The invention aims to provide a high-brightness water-based fluorescent penetrant which is higher in flaw detection sensitivity and suitable for high-temperature workpieces.

The invention belongs to the technical field of biological mildew preventive, and discloses bacillus licheniformis fermentation liquor and application thereof in mildew prevention and quality improvement of silage. The fermentation liquor is prepared by taking bacillus licheniformis CMCC 63516 as a strain under optimized conditions (with an LB culture medium, the inoculum size of 6%, the liquid loading amount of 30% and culture for 18 hours), and the viable count can reach 1.48 * 10 < 9 > CFU / mL. The strain has a remarkable antagonistic effect on toxin-producing aspergillus flavus, can efficiently degrade aflatoxin B1 (the degradation rate gt in 36 hours is 96%), and has good environmental stability. The additive amount of 1.2-4.0% is applied to corn silage, the growth of mould and saccharomycetes can be remarkably inhibited, the content of AFB1 is greatly reduced, and the mould-proof effect is superior to that of a chemical mould-proof agent sodium diacetate. In addition, the fermentation liquor can also effectively improve the quality of silage, increase the content of crude protein and lactic acid, and reduce the pH and the content of ammoniacal nitrogen and detergent fibers. The invention provides a safe, environment-friendly and efficient biological mildew-proof method which has a wide application prospect in the feed industry.

The utility model discloses a kind of efficient dryers for sodium diacetate production of continuous feeding and discharging, including screw conveyor, the feeding hopper connected with the feeding end of screw conveyor, the drying box connected with the discharging end of screw conveyor, ultrasonic transducer and nitrogen injection port are equipped on feeding hopper, receiving plate is equipped in drying box, cross rotary scraper is equipped above receiving plate, scraping tooth is equipped in cross rotary scraper bottom, drying box both sides are equipped with hot air inlet and outlet duct;Receiving plate is embedded and installed in drying box, receiving plate is connected between the bottom of drying box by spring, vibration motor is equipped in receiving plate bottom, pressing cylinder for pressing one end of receiving plate is equipped on drying box, discharging port for discharging material is equipped on drying box on one side of receiving plate pressing end. The utility model can realize continuous production, improve productivity, also has the advantages such as anti-blocking, ensure cloth uniformity, finally realize the efficient drying of material.

The invention provides a natural rubber latex ammonia-free preservative for baby nipples as well as a preparation method and application of the natural rubber latex ammonia-free preservative. The natural rubber latex ammonia-free preservative is prepared from alkaline electrolyzed water, chitosan, sodium diacetate, nisin, organic acid salt, natural antibacterial essential oil microcapsules, a plant polyphenol extract and deionized water. The organic acid salt is a compound of zinc citrate, sodium succinate and sodium alginate; the capsule core of the natural bacteriostatic essential oil microcapsule is a compound of thymol and carvone, and the capsule wall of the natural bacteriostatic essential oil microcapsule is a beta-cyclodextrin-Arabic gum copolymer. The preparation method comprises the steps of premixing dispersion, ion balance treatment, bioactive component delivery, microcapsule controlled release integration and curing stabilization, wherein a high-frequency alternating electric field is applied during pulse injection. The turbidity of the preservative is smaller than or equal to 2.5 NTU, the total number of bacterial colonies is smaller than or equal to 10 CFU / mL, the latex preservation time can be prolonged, and baby nipples prepared from the preservative are low in water-soluble protein content, high in tear strength, free of peculiar smell and suitable for production of the baby nipples.

The present application belongs to the technical field of biochemical detection, and discloses a rapid detection method for sodium diacetate in duck blood, which solves the technical problem that the existing detection method cannot accurately detect low content of sodium diacetate in duck blood. The steps are as follows: (1) adding phosphoric acid to sodium diacetate standard solutions with different concentrations to obtain a to-be-detected standard solution; detecting the peak area of the to-be-detected standard solution by gas chromatography, and preparing a standard curve of the concentration of the sodium diacetate standard solution and the peak area; (2) pretreating duck blood samples to obtain a to-be-detected solution; (3) detecting the to-be-detected solution by gas chromatography, and bringing the obtained peak area into the standard curve of step (1) to obtain the concentration of sodium diacetate in the to-be-detected solution. The rapid detection method has a detection limit of 0.007 g / kg, a sample standard addition recovery rate of 92.5-102.4%, good repeatability, a coefficient of variation of less than 10%, and high detection accuracy.

The preparation method comprises the following steps: (1) cleaning, disinfecting and soaking glutinous rice: cleaning the glutinous rice with ozone water, soaking the glutinous rice for a short time, and soaking the glutinous rice with a fumaric acid aqueous solution until the glutinous rice does not have hard cores; (2) blending and steaming rice: uniformly mixing the soaked glutinous rice with sodium diacetate powder, and heating and steaming the rice with steam until the glutinous rice grains are completely cooked; (3) forming and cooling: grinding, extruding and cutting the glutinous rice into glutinous rice paste, flattening and quickly cooling; and (4) oil coating and vacuum packaging: uniformly coating the palm oil solution on the surface of the cake-shaped glutinous rice cake, and packaging the cake-shaped glutinous rice cake with a vacuum packaging machine to obtain the glutinous rice cake product capable of being stored at normal temperature. The method is low in cost, good in mildew-proof effect, free of sterilization, capable of being stored at normal temperature, free of deformation and discoloration of glutinous rice cakes, pure in product flavor, high in sanitary safety and capable of being mechanized.

The utility model discloses a sodium diacetate grading and packaging mechanism, which relates to the technical field of sodium diacetate, and comprises a storage cylinder, a support frame connected with the storage cylinder, a feeding port arranged at the top of the storage cylinder and a discharging port arranged at the top end of the storage cylinder, the controller is connected with the supporting frame; the conveying mechanism is connected with the storage cylinder; the second driving part is connected with the supporting frame; the connecting disc is connected with the output end of the driving part II; the placing mechanisms are connected with the connecting disc, and the multiple sets of placing mechanisms are arranged; one end of the dust shielding mechanism is connected with the connecting disc, and the other end is connected with the discharge port. A sodium diacetate material is poured into the storage barrel from the feeding port, the placing mechanism conducts limiting placing on a packaging bag, the second driving piece drives the connecting disc to rotate, the connecting disc drives the placing mechanism to rotate, and when the placing mechanism rotates to the position below the discharging port, the dust shielding mechanism is matched with the placing mechanism to fix the packaging bag; and the conveying mechanism conveys the sodium diacetate material, so that the sodium diacetate material falls into a packaging bag to be packaged.

The utility model discloses a sodium diacetate drying and cooling integrated machine, including drying box, the top of drying box is equipped with feeding bin, the inside of drying box is equipped with upper layer drying area, middle layer blanking area, lower layer cooling area from top to bottom in proper order, be equipped with the material discharge mechanism for isolating or intercommunication two areas between upper layer drying area with middle layer blanking area, upper layer stirring mechanism, lower layer stirring mechanism are corresponded respectively and are equipped with in upper layer drying area and lower layer cooling area, upper layer drying area is connected with hot -blast air supply system, lower layer cooling area is connected with cold -blast air supply system, cold -blast air supply system with hot -blast air supply system intercommunication, the bottom of drying box is equipped with the material outlet mechanism, the material outlet mechanism still is connected with vibrating screen device, the utility model discloses can make material keep loose, and product quality is good, still can to waste heat recycling, reduce energy consumption, realize dust recovery, reduce waste, reduce dust pollution.

The invention relates to the technical field of meat product processing, and particularly discloses a processing method of dried ganoderma lucidum meat slices. Comprising the following steps: stirring sliced pig hind leg meat, a lucid ganoderma water extract (dry lucid ganoderma: water = 100g: 1500ml, decoction and filtration) and auxiliary materials under the vacuum degree of 0.08-0.09 MPa for 10-15 minutes, standing at 4-8 DEG C for 1 hour, and driving by utilizing negative pressure gap expansion and osmotic pressure to enable the penetration depth of active ingredients to be gt; 500 [mu] m; dehydrating at 80 + / -2 DEG C for 8 hours (the water content is less than or equal to 30%), then instantly baking at 100-150 DEG C for 5-6 minutes, and carrying out hot-press shaping, so that the retention rate of ganoderic acid A is more than or equal to 70 The compound natural perfume (the ratio of licorice powder to star anise powder is 1: (2-3)) masks bitter taste, D-sodium erythorbate and sodium diacetate replace chemical preservatives, the water activity of the finished product is smaller than or equal to 0.75, and the shelf life is larger than or equal to 12 months. According to the invention, the technical bottleneck of difficulty in thermal degradation and permeation of ganoderma lucidum components is broken through, and the industrial problem of'thermal damage-permeation resistance-flavor conflict 'is solved on the molecular scale through an active component targeted delivery system (vacuum permeation and carrier wrapping) and a staged precise temperature control process; and the functional ganoderma lucidum dried meat slices with high activity retention rate, large penetration depth and good flavor harmony are produced.

The invention provides a preservation method of purple sweet potatoes, which comprises the following steps: selecting mildewproof and pest-free purple sweet potatoes, cleaning, airing, soaking the purple sweet potatoes in a salicylic acid bacillus subtilis fermentation preservation solution for a certain time, taking out, airing, placing at normal temperature for a certain time, and after the salicylic acid bacillus subtilis is fully absorbed and adsorbed by the purple sweet potatoes, taking out the purple sweet potatoes. And soaking the treated purple sweet potatoes in a sodium diacetate-mint essential oil-chitosan emulsion for a certain time, taking out the soaked purple sweet potatoes, airing the soaked purple sweet potatoes, and storing the aired purple sweet potatoes at room temperature. The method effectively inhibits browning and rotting of the purple sweet potatoes, maintains the color, hardness and nutritional ingredients of the purple sweet potatoes, and prolongs the storage life. The method has the advantages of greenness, harmlessness, simplicity in operation, remarkable preservation effect and the like, and a new technical scheme can be provided for preservation of the purple sweet potatoes.

A hypochlorous acid water preparation agent merely contains elements without concern for the human body, allows hypochlorous acid water to be prepared without effort, and can be stored or transported easily. The hypochlorous acid water preparation agent is an additive for preparing hypochlorous acid water by electrolyzing an electrolytic solution obtained by dissolving an electrolyte in a specified amount of water. The additive consists of sodium chloride, sodium diacetate, and optional sodium hydrogencarbonate. The additive is in powder form, particle form, granule form, or tablet form.

A particulate composition is disclosed, comprising, calculated by weight of dry matter: (a) 25-85 wt. % of organic acid salt selected from sodium acetate, potassium acetate, sodium lactate, potassium lactate, calcium lactate, sodium propionate, potassium propionate and combinations thereof; (b) 6-40 wt. % of diacetate component selected from sodium diacetate, potassium diacetate and combinations thereof; and (c) 5-30 wt. % of disodium diphosphate; wherein components (a), (b), and (c) together constitute at least 80 wt. % of the dry matter that is contained in the particulate composition. The particulate composition may suitably be applied as a food preservative, e.g. in meat products.

The utility model discloses a kind of high-efficiency mixed anticorrosion reaction kettle, including horizontal kettle body, the horizontal kettle body is anticorrosion composite kettle body, the top of the horizontal kettle body is equipped with feed pipe, bottom is equipped with discharge pipe, the middle part of the horizontal kettle body is equipped with main stirring shaft, screw belt stirrer is equipped on the main stirring shaft, the both sides of the main stirring shaft are equipped with auxiliary stirring shaft respectively, turbine stirrer is equipped on the auxiliary stirring shaft, scraping wall plate is connected on the main stirring shaft, the scraping wall plate is contacted with the inner wall of the horizontal kettle body, ultrasonic wave vibration plate is equipped in the bottom wall of the horizontal kettle body, cathodic protection ring is also equipped in the inner wall of the horizontal kettle body. The utility model can solve the deposition and corrosion problem caused by uneven stirring, realize the efficient long-term, low-maintenance operation of whole, especially suitable for the production scene of sodium diacetate and other crystalline corrosive medium.

The present invention provides a calcium zinc gluconate oral solution composition and a detection method thereof, belonging to the technical field of pharmaceutical preparations. The calcium zinc gluconate oral solution composition of the present invention comprises calcium gluconate, zinc gluconate, lysine hydrochloride, lactic acid, a preservative, water and other pharmaceutically acceptable excipients. The preservative is potassium sorbate, sodium diacetate and theanine. Through the mutual cooperation of each component, the obtained calcium zinc gluconate oral solution composition has excellent quality and good stability. The detection method of the present invention can significantly distinguish the advantages and disadvantages of this product in various quality attributes, can effectively and comprehensively evaluate the product quality, has high accuracy, good repeatability, short running time, convenient and fast derivatization method, and saves costs.

The invention discloses a method for preparing a concrete rheological preservative. The method comprises, by weight, 8-12 parts of fly ash, 3-4 parts of siloxane, 0.5-0.7 parts of sodium diacetate, 3-5 parts of methacrylic acid, 14-16 parts of alunite, and 8-10 parts of borax. The alunite is calcined at a high temperature and then mixed with the siloxane to prepare a mixture 1. The mixture 1 is mixed with the remaining components and dried to prepare the concrete rheological preservative. The concrete rheological preservative is mixed with concrete raw materials to improve the corrosion resistance, anti-permeability and other properties of the concrete.

The invention belongs to the technical field of aquatic feed and culture, and particularly relates to special soft pellet feed for sub-adults under the condition of separate culture of male and female river crabs and a use method of the special soft pellet feed. The soft pellet feed is prepared from the following main raw materials: steam fish meal, soybean meal, fermented soybean meal, peanut meal, rapeseed meal, chicken meal, euphausia superba meal, yeast extract, high gluten flour, rice bran, choline chloride, compound vitamins, compound minerals, monocalcium phosphate, sodium humate, sodium diacetate, haematococcus pluvialis powder, soybean lecithin oil, refined fish oil and soybean oil. The main nutritional ingredients comprise water, crude protein, total fat, total carotenoid, energy and the like. When the soft pellet feed is used for feeding, the survival rate, the weight gain rate, the feeding rate and the gonad development after reproduction and shelling are improved, the breeding pollution is reduced, and the economic benefit of river crab breeding is improved.

The present invention belongs to the field of anti-wrinkle finishing technology, and provides a skin-friendly anti-wrinkle fabric and a preparation method thereof, wherein the components and their mass concentrations in the anti-wrinkle finishing liquid are: 50-75g / L tetracarboxylic acid ethylenedithiol disuccinate ether, 8-12g / L trimethylolpropane, 30-70g / L catalyst, 0.6-2g / L N, N'-bis-palmitoyl ethylenediamine sodium diacetate, 0.4-0.8g / L hexadecyltrimethylammonium bromide, 2-4g / L cerium sulfate, and the solvent is water; the preparation method of the skin-friendly anti-wrinkle fabric is to immerse cotton fabric in the anti-wrinkle finishing liquid for anti-wrinkle padding, pre-baking and baking. The anti-wrinkle finishing liquid of the present invention is cheaper and easier to obtain than butanetetracarboxylic acid BTCA. After being finished with the finishing liquid of the present invention, the tensile breaking strength of the cotton fabric can be significantly improved, which significantly improves the strength reduction problem of the current anti-wrinkle finishing fabric, and has broad application prospects and market prospects.

The invention discloses a preparation method and application of low-bacteria traditional tapioca balls, and belongs to the technical field of starch product processing. The fresh-keeping formula of the tapioca pearls disclosed by the invention contains sodium lactate, sodium diacetate and ethyl maltol, and can effectively solve the problem that the tapioca pearls are rotten due to microbial growth in the storage process, and prolong the shelf life and shelf life of the tapioca pearls.

This invention discloses an admixture for non-fired bricks made primarily of phosphorus tailings and titanium dioxide, and its preparation method. The admixture, by weight, comprises: 120-180 parts of a slurry-raising and dispersing agent, 2-8 parts of a long-chain alkylamine, 10-20 parts of a polyhydroxy alcohol, 10-20 parts of a maleic acid-acrylic acid copolymer, 15-30 parts of sodium diacetate of amino acids, 40-80 parts of a C-S-H microcrystalline dispersing agent, 8-12 parts of a polyglycoside ester-polyol amine ester-carboxylic acid ester polymer, and 650-795 parts of deionized water. This admixture can be widely applied to various types of cement-fired bricks made primarily of phosphorus tailings and titanium dioxide, effectively improving the strength, performance, and quality of the bricks. It also increases the comprehensive utilization rate and added value of phosphorus tailings and titanium dioxide in the bricks.

The invention discloses a continuous production system for sodium diacetate. The continuous production system comprises a reaction kettle, a spiral conveyor, a cooling dryer and a vibration screening device which are connected in sequence, the reaction kettle is used for uniformly heating and cooling materials to form crystals with better quality, the sticky state of the materials can be changed by adding a small amount of pure water, and the process is easier to operate; the spiral conveyor conveys materials to the cooling dryer, the cooling dryer enables the materials to be in a loose state all the time through uniform cold and hot air and stirring, tail gas waste heat can be recycled, energy consumption is low, dust can be recycled, and therefore waste is reduced, and dust pollution is reduced. And the cooled and dried materials enter a vibration screening device, and qualified particles are automatically screened out. The process is easier to operate, raw materials react more completely, the crystallization period can be remarkably shortened, crystals with good quality are formed, caking is reduced, equipment energy consumption is low, waste is little, dust pollution can be reduced, and finally qualified particles are automatically screened out and convenient to package.

The utility model discloses a kind of low residual energy-saving type sodium diacetate powder drying device, including drying tower, drying tower top is equipped with feed inlet, bottom is equipped with discharge port, drying tower is equipped with dispersion disc below feed inlet, heating dome-shaped cover is equipped below dispersion disc, several far-infrared radiating plates are arranged on heating dome-shaped cover, rotating baffle is equipped below heating dome-shaped cover, and porous air-distribution plate matched with rotating baffle, the inside of drying tower is separated by rotating baffle and porous air-distribution plate, porous air-distribution plate bottom is connected into wind pipe, porous air-distribution plate top is equipped with flow guide cover, and flow guide cover top end is located in heating dome-shaped cover, scraping ring is liftably installed in drying tower;Discharge port is connected with screw conveyor, and water-cooling jacket is equipped outside screw conveyor.The utility model can greatly improve drying efficiency, effectively prevent hygroscopic caking, ensure product quality, and the built-in scraping ring can also scrape the residual material on inner wall, greatly reduce material cavity residual rate.

The present invention provides a levosalbutamol hydrochloride nebulized inhalation solution composition and a preparation method thereof, belonging to the technical field of pharmaceutical preparations. The composition comprises levosalbutamol hydrochloride, a costabilizer, an osmotic pressure regulator, a pH regulator, and a solvent. Edetate disodium, gentisic acid, and sodium diacetate are used as costabilizers. The costabilizers enhance the stability of the composition and extend its storage time. Furthermore, the composition simplifies the preparation process without nitrogen filling protection, reduces the requirements for production equipment, is simple and easy to operate, and has low production costs.

The invention relates to the technical field of poultry blood treatment, and particularly discloses a refrigeration and preservation method of chicken blood in a storage period of 4 DEG C. The method comprises the following steps: firstly, adding an anticoagulant into fresh chicken blood, filtering to remove impurities, then putting the chicken blood into ultrahigh pressure treatment equipment, carrying out secondary high pressure treatment on the fresh chicken blood, and finally adding a compound preservative accounting for 2-8% of the mass of the chicken blood into the treated chicken blood, the compound preservative comprising sodium diacetate, sodium sorbate and sodium lactate. The preparation method is simple, the steps are easy to operate, the chicken blood treated under ultrahigh pressure has the advantages of high sterilization efficiency and less protein denaturation, the total number of bacterial colonies in the chicken blood is greatly reduced after the compound preservative is added, the shelf life of the refrigerated chicken blood is prolonged from 6 days to 18 days, and a research basis is provided for development and utilization of chicken blood resources.

The invention belongs to the technical field of fermented natural plant feed for feed, and particularly relates to an antibody enhancer for poultry as well as a preparation method and application of the antibody enhancer. The antibody enhancer for the poultry is mainly prepared by treating a traditional Chinese medicine composition with a compound enzyme preparation and a compound acidifying agent and then fermenting the treated traditional Chinese medicine composition with a mixed bacterial liquid, wherein the traditional Chinese medicine composition is prepared from radix paeoniae rubra, rhizoma anemarrhenae, echinacea purpurea, honeysuckle, glossy privet fruit, astragalus membranaceus, bighead atractylodes rhizome, radix ophiopogonis, herba epimedii and liquorice in parts by weight; the compound enzyme preparation consists of ligninase, cellulase and pectinase; the composite acidifying agent is prepared from calcium formate, sodium diacetate and propionic acid; the mixed bacterial liquid is prepared from a bacillus subtilis bacterial liquid, an enterococcus faecium bacterial liquid and a bacillus licheniformis bacterial liquid. According to the poultry antibody enhancer prepared by the method, the content of crude protein and total flavone / polysaccharide and the titer of the Newcastle disease antibody are remarkably increased, and meanwhile, the integration of feed nutrition enhancement and disease prevention and control is realized by utilizing the immunoregulation effect of the mixed bacterial liquid.

The present invention relates to a particulate composition comprising, based on dry matter weight: a) from 25% to 85% by weight of an organic acid salt selected from the group consisting of sodium acetate, potassium acetate, sodium lactate, potassium lactate, calcium lactate, sodium propionate, potassium propionate, and combinations thereof; b) from 6% to 40% by weight of a diacetate component selected from the group consisting of sodium diacetate, potassium diacetate, and combinations thereof; c) from 5 wt% to 30 wt% of disodium diphosphate; wherein the components a), b) and c) together constitute at least 80% by weight of the dry matter contained in the particulate composition. The particle composition of the present invention can be suitably used as a food preservative, for example in meat products.

The invention discloses a multifunctional snow-melting agent and a preparation method thereof, and belongs to the technical field of composite salt. The multifunctional snow-melting agent provided by the invention is prepared by optimizing and compounding various chemical materials such as water, potassium carbonate, sodium diacetate, calcium ammonium nitrate, magnesium chloride, calcium chloride, polyaspartic acid, sodium gluconate and the like. The snow and ice melting speed is high, the using amount is small, pollution is small, the effect is good, and both liquid and solid are contained; the corrosion to metal and cement concrete can be effectively reduced, and the lowest freezing point value can reach-69.3 DEG C; the plant growth can be promoted or the damage to the plant can be reduced; and the device has multiple functions of disinfecting and sterilizing, purifying water, reducing the content of sulfate ions and chlorides, realizing an echelon comprehensive effect of synchronously performing heat release and heat absorption, reducing damage to municipal infrastructures and the like. The snow and ice melting device is suitable for being used in various areas such as streets, roads, bridges and rail transit, can perform mechanical scattering or spraying operation, realizes instant snow melting and ice melting, and is particularly suitable for being used in emergency rescue.

This utility model discloses a moisture detection device for sodium diacetate production, including a sodium diacetate silo. The outlet of the sodium diacetate silo is connected to a discharge pipe via a pneumatic valve. The discharge pipe is connected to a detection box, and the detection box contains a detection chamber communicating with the discharge pipe. The detection chamber contains a moisture measuring component, which includes several microwave moisture sensors arranged vertically at intervals. A discharge control valve is located at the bottom of the detection chamber, and the discharge control valve is sequentially connected to the discharge pipe, a negative pressure fan, and a recovery box. Several purging nozzles are also arranged around the detection chamber within the detection box. These purging nozzles are used to blow high-pressure gas onto the microwave moisture sensors for surface cleaning. This utility model avoids errors caused by manual contact, achieving low-cost, high-precision moisture content measurement without manual intervention, offering high accuracy and efficiency.