30results about How to "Conducive to turning waste into treasure" patented technology

The invention provides a chondroitin sulfate preparation method based on a fish head cartilage. The chondroitin sulfate preparation method based on the fish head cartilage comprises the following steps: taking the fish head cartilage to carry out superfine grinding; adding cartilage powder to water, carrying out ultrasonic processing, respectively adopting papain and alkaline protease to carry out enzymolysis, and obtaining enzymatic hydrolysate; adding trichloroacetic acid to the enzymatic hydrolysate, evenly mixing the enzymatic hydrolysate and the trichloroacetic acid, carrying out still standing, and collecting supernatant fluid in a centrifuging mode; adding sodium hydroxide and ethanol to the supernatant fluid, evenly mixing, stirring, and carrying out digestion; mixing to be in a neutral state, collecting sediment of the lower layer in a centrifuging mode, drying the sediment, and obtaining the fish head chondroitin sulfate. Due to the fact that the chondroitin sulfate is extracted from the fish head cartilage, fishery salvaged materials are made full use of, and added value of products is improved. A superfine grinding technology is adopted to process the fish head cartilage, and extraction efficiency of the chondroitin sulfate is improved. Meanwhile, an ultrasonic assistance compound enzymic method is adopted to process raw materials, a deproteinization effect is good, and purity of chondroitin sulfate products is high. Due to the fact that an alkali treatment precipitation method is adopted to extract the chondroitin sulfate, extraction efficiency is high.

The invention provides a heat recovery method and system for recovering energy in water-rich biomass. The method comprises the steps of putting the water-rich biomass with the content of water of less than 99.9% into a high-pressure closed container, and heating the high-pressure closed container until the temperature T is more than or equal to 100 DEG C and less than 250 DEG C and the pressure P is more than or equal to 0.1MPa and less than 3.97MPa; maintaining the temperature and the pressure in the high-pressure closed container to be constant and standing still for a period of time to enable the water-rich biomass to be liquefied and various biomasses and solid inorganic impurities to be separated; heating the high-pressure closed container until the temperature T is more than or equal to 100 DEG C and less than 350 DEG C and the pressure P is more than or equal to 0.1MPa and less than 16.52MPa, and enabling most biomass components not to be chemically decomposed; boiling the water in the high-pressure closed container, and then guiding out high-temperature and high-pressure water vapor, recycling the energy and enabling the water-rich biomass to be dehydrated; stopping heating, cooling the high-pressure closed container and recovering waste heat; and opening the high-pressure closed container, and taking out the separated and dehydrated dry biomass and the solid inorganic impurities, wherein the separated and dehydrated dry biomass is used for energy recovery, and the separated and solid inorganic impurities are used for mineral substance and heavy metal recovery.

The invention discloses a classifying dustbin. The classifying dustbin comprises a garbage inlet device, a classifying type dustbin assembly and a rotary driving mechanism. The garbage inlet device comprises a classifying treatment box, a recoverable garbage inlet and an unrecoverable garbage inlet, a garbage outlet formed in the bottom face of the classifying treatment box, a hob and a garbage guide slot. The recoverable garbage inlet and an unrecoverable garbage inlet are formed in the top face of the classifying treatment box, the hob is arranged in the classifying treatment box and used for smashing garbage from the recoverable garbage inlet, and the garbage guide slot is formed below the garbage outlet and used for guiding the garbage to be discharged. The classifying type dustbin assembly comprises a rotatable rotary disc and multiple dustbin bodies evenly distributed on the rotary disc in the circumferential direction. The rotary driving mechanism is used for driving the rotarydisc to rotate, so that all the dustbin bodies sequentially pass through the position below the garbage guide slot. According to the classifying dustbin, the recoverable garbage and the unrecoverablegarbage can be classified, and the resource utilization rate is increased.

The invention relates to a steel slag grinding aid enhancer and a preparation method thereof. According to the technical scheme, the steel slag grinding aid enhancer is characterized by comprising thefollowing raw materials in parts by weight: 10-20 parts of a binary core component, 10-20 parts of triisopropanolamine, 5-10 parts of ethylene glycol, 10-25 parts of urea, 25-50 parts of deionized water and 1-3 parts of calcium hydroxide, wherein the binary core component is prepared from triethanolamine and glycerol in a ratio of (1-9): 3. The steel slag grinding aid enhancer can improve the grindability of steel slag, effectively improve the steel slag grinding efficiency, save energy and reduce consumption; therefore, the preparation method provided by the invention has the characteristicsof simple process and convenience in manufacturing.

The invention relates to the technical field of waste treatment and stereo planting and discloses a multifunctional stereo planting device. The multifunctional stereo planting device comprises a plurality of planting pots, a collection device and a supporting seat. The planting pots are used for planting plants, the collection device is used for waste collection and fermentation, the planting potsare mounted on the collection device, and the supporting seat is used for supporting the planting pots and the collection device. The collection device comprises at least one circulation hole corresponding to the planting pots, and waste fermentation liquid generated in the collection device flows into the planting pots through the circulation holes. The multifunctional stereo planting device isreasonable in design and attractive in appearance and makes full use of the space to increase the planting rate; in addition, airtight fermentation of kitchen waste can be effectively realized, the generated waste fermentation liquid serves as nutrient substances for plants in growth, functions of stereo planting and waste treatment and utilization are integrated, and the waste treatment and stereo planting is clean, environmentally friendly, convenient to use and suitable for popularize.

The invention discloses a solid fuel useful for coal substitutions. Biomass, ionic liquid and water are mixed in a certain proportion, and a heating reaction is carried out, wherein the weight ratio of water to biomass is not greater than 500, the weight ratio of ionic liquid to biomass is not greater than 100, the reaction temperature does not exceed 250 DEG C, the reaction time does not exceed 24 h, solid black slag is obtained through filtering separation of reaction liquid, and the solid fuel is obtained after the solid black slag is washed through a solvent and dried. The raw materials are low in cost and easily obtained, the biomass source is abundant, the ionic liquid catalyst is stable in performance, environment-friendly and can be recycled, and the synthetic method is simple and convenient and is beneficial for changing waste materials into valuable and protecting the environment. The preparation route is simple, the reaction temperature is low, fine chemical engineering products can be obtained through co-production while the solid fuel is prepared, and the economic benefit is improved. The solid fuel provided by the invention can replace traditional non-renewable coal resources, and solves the technical problems which have not been solved yet in the field.

A process for in-situ reclaiming three wastes of drilling well on land includes such steps as collecting the sawage, drilling liquid and rock debris into separator, slurry recovery tank, cement paste recovery tank and rock debris recovery tank through helical lobe and slurry pumps separately, and then oil-water separation, dewatering, separating solid particles, treating to make them innocuous, solidifying, and making brick or cement stone. Its advantages include simple process and equipment, low cost and environmental protection.

The invention relates to an intelligent garbage can. The intelligent garbage can comprises a solar panel, a bracket and a box body; a display screen, a control button, a cash return port, a cash storage box and a waste feed port are arranged on the side surface of the box body; a central processing unit, a conveying belt, a classifier and a classifying box are arranged in the box body; the centralprocessing unit is provided with a signal transceiver and a storer; the conveying belt is positioned under the waste feed port; a pressure sensor is arranged at the upper end of the conveying belt; amotor is arranged on the side surface of the conveying belt; the pressure sensor is connected with the central processing unit; the central processing unit processes electric signals of the pressuresensor to obtain weight values; the pressure sensor is associated with the motor; the classifier is positioned at the end part of the conveying belt; and the classifying box is positioned under the classifier. The intelligent garbage can recovers garbage more conveniently, and facilitates guidance of people to preferably classify the garbage to protect the environment and to change wastes into valuable things.