542results about How to "In line with the concept of environmental protection" patented technology

The invention discloses electric conductive silver paste and a manufacturing method of the electric conductive silver paste. The electric conductive silver paste comprises, by mass percentage, 35 - 65 % of micron-sized silver powder, 1-10 % of nanometer-sized silver powder of or 1-20 % of nanometer-sized silver and other metal alloy powder, and 1-10 % of an organic carrier; for ceramics, solar cell silver paste comprises 2-15 % of unleaded glass powder, each component is manufactured in parts, weighed, mixed and stirred or mixed and rapidly scattered, and ultrasonic-vibrated or fine adjusted of viscosity of solvent, and therefore the electric conductive silver paste is obtained. Due to the fact that the nanometer-sized silver powder or the nanometer-sized silver alloy powder is mixed with the micron-sized silver powder, intensity of conductivity and a circuit is improved, adhesive force of crushing resistance and a base plate is improved, at the same time unleaded slurry good in thixotropy, low in contacting resistance and low in piece-needed slurry amount replaces lead slurry materials, the electric conductive silver paste is used for manufacturing crystalline silicon solar cells, improves photoelectric conversion efficiency, accords with environmental-protection ideas, and can be produced in large scales continuously.

The invention discloses a polypeptide-ammonium polyphosphate trace element liquid chelated fertilizer and a preparation method of the liquid chelated fertilizer. The polypeptide-ammonium polyphosphate trace element liquid chelated fertilizer comprises the components by weight percent: 5-25% of urea, 5-15% of ammonium polyphosphate, 5-25% of potassium nitrate, 0.2-3% of potassium silicate, 0.8-5% of potassium chloride, 0.008-0.1% of polyaspartic acid, 0.8-5% of ammonium sulfate, 0.8-5% of ethylene diamine tetraacetic acid (EDTA) calcium, 0.2-3% of EDTA magnesium, 0.02-1.5% of EDTA boron, 0.005-0.1% of EDTA zinc, 0.005-0.1% of EDTA iron, 0.005-0.05% of EDTA copper, 0.005-0.05% of EDTA manganese, 0.001-0.01% of nickel sulfate, 0.001-0.01% of ammonium molybdate, 0.0008-0.01% of cobaltous sulfate, 0.008-0.1% of polyacrylamide and the balance of water. The polypeptide-ammonium polyphosphate trace element liquid chelated fertilizer disclosed by the invention is simple in technology, scientific in proportion, balanced in fertilization, low in cost and good in effect.

The invention discloses solar photovoltaic panel dust clearing equipment. The equipment comprises a mounting frame whose upper surface is obliquely arranged, wherein a photovoltaic panel is arranged at the upper end of the mounting frame, a groove is formed in the upper end of the mounting frame, a reciprocating lead screw is rotationally connected to the side wall of the groove, a sliding block is in threaded connection with the reciprocating lead screw, a transverse plate which is obliquely arranged is fixedly connected to the side wall of the sliding block, and a clearing device for clearing the surface of the photovoltaic panel is mounted on the transverse plate. According to the equipment, through arrangement of fan blades fixedly connected to the side wall of the reciprocating lead screw, the fan blades can be driven to rotate when outside air blows, so that the reciprocating lead screw drives the sliding block to reciprocate back and forth, the transverse plate is driven to perform automatic clearing on the surface of the photovoltaic panel, a stretchable airbag fixed to the sliding block and the side wall of the groove is set, so that rainwater in a water tank is extruded into a cavity when the sliding block reciprocates back and forth, and water is sprayed on the surface of the photovoltaic panel through a water outlet hole for clearing.

The invention discloses a charcoal fertilizer, prepared from the following raw materials in percentage by weight: 10-50% of charcoal powder, 20-70% of compound fertilizer and 5-30% of adjuvant, wherein the charcoal powder is obtained by putting straws in a carbonization furnace for dehydration and deoxygenation treatment and smashing the straws to a particle size of not more than 0.5mm after high-temperature carbonization. A preparation method of the charcoal fertilizer comprises the following steps: feeding the straws into the carbonization furnace; performing the dehydration and deoxygenation treatment for 1-2 hours at a temperature of 100-250 DEG C; carbonizing the straws at a high temperature of 600-700 DEG C for 30-240min; cooling the carbonized product and then smashing the carbonized product to form the charcoal powder with the particle size of not more than 0.5mm; uniformly mixing the charcoal powder, the compound fertilizer and the adjuvant in proportion to obtain a mixture and then pelleting the mixture to obtain pellets; cooling and screening the pellets to a particle size of 1.5-4.75mm; packing the screened pellets. The charcoal fertilizer disclosed by the invention has the advantages of an extensive source of the raw material straws, a good carbonization effect, high carbon content, conformity with the concept of environmental protection, simplicity in preparation technique, low energy consumption, high product strength and capability of processing the raw materials in a centralized manner and obviously increasing the utilization rate and quality stability of the fertilizer. The invention further discloses an application of the charcoal fertilizer in crop growth.

The invention provides an environmentally-friendly aqueous spray paint liquid, a propellent, an aerosol coated environmentally-friendly aqueous spray paint and a preparation method of the paint. The liquid comprises, by weight, 30-45 parts of aqueous resin, 5-15 parts of a pigment, 15-30 parts of a cosolvent, 20-35 parts of water and 0.5-2 parts of an assistant. The environmentally-friendly aqueous spray paint liquid adopts an aqueous resin system, so a whole paint film has a good hydrophobic and oleophobic effect, and improvement of the quality of spray paint products is facilitated; water is used to substitute parts of a solvent, so the VOC is reduced, and environmental protection is realized; and the produced environmentally-friendly aqueous spray paint has good sprayability and a high spray rate, and a film formed by the paint has high fullness, excellent hardness, adhesion, glossiness, flexibility and impact resistance, and has abundant and gorgeous colors, excellent decorative effect, good ageing resistance, and extremely good antirust and protection functions.

The invention discloses a method for manufacturing engineered geothermic floors. The invention comprises the following procedures that: a cotton wood veneer or an imported miscellaneous tree veneer undergoes the process of deep steaming charring treatment under the pressure of 0.3 to 0.5MPa within 3 hours to obtain floor base materials; a hardwood plate with a thickness of 2 to 4mm is used as a surface course and the hardwood plate also undergoes the process of deep steaming charring treatment; the hardwood plate and the floor base material are made into a blank; after being glued, the obtained blank is made into the engineered floor suitable for geothermy after being notched and lacquered. The engineered floor suitable for geothermy has good corrosion resistance, weather resistance, stability and wearing resistance. In addition, the engineered geothermic floor accords with the modern idea of environmental protection and is easy to be maintained.

The invention discloses an intelligent appliance control system applied to regulating and control of various appliances. The appliances include a lamp. The system comprises a touch panel which is embedded on the wall and provided with a plurality of groups of touch buttons, a receiving-transmitting controller connected with the touch panel, a wifi router connected with the receiving-transmitting controller, and control software which can be installed into a mobile phone or a computer; a radio frequency signal transceiver is arranged on the touch panel; a radio frequency receiver for receiving a signal transmitted by the radio frequency signal transceiver is arranged on a transceiver controller; the control software can remotely control the transceiver controller by a wireless manner; the transceiver controller can be controlled so as to control the touch panel to work; the transceiver controller is connected with the lamp and can control the switching and lighting effect of the lamp. According to the system, the lamp can be regulated and controlled through the touch panel and the control software.

The invention belongs to the technical field of cement concrete admixtures, and in particular relates to an oxydative degradation starch grafted polycarboxylate superplasticizer and a preparation method thereof. The invention provides a resource of raw materials for preparing the novel efficient polycarboxylate superplasticizer, namely, natural and degradable starch is introduced to take the place of most part of petrochemical materials, the raw materials are wide and sustainable in resource, and not only is the cost lowered, but also the environment is protected.

The invention discloses an oily sludge advanced treatment technology which comprises the following contents: oily sludge in a raw material storage sludge-tank enters a sludge mixing tank; a demulsifier is added to carry out demulsification treatment; demulsified oily sludge enters screw-type sludge dewatering equipment to undergo solid-liquid separation so as to obtain a filtrate and sludge cake; the filtrate enters a two-phase cyclone to be separated; after two-phase separation, excess sludge at the lower layer flows back to the raw material storage sludge-tank, a mixed liquor at the upper layer is sent into a gas-liquid mixing tank to be mixed with the air and then enters a separation pond to carry out primary separation of sump oil and sewage; sump oil is recovered to a sump oil tank by the use of a sludge scraper; sewage enters a filter to separate suspended particles and residual sump oil in the sewage from water; sump oil separated from the top of the filter is recovered to a sump oil recovery tank; and sewage discharged from the filter is sent to a sewage treatment plant to undergo subsequent processing. By the technology, water content of the oily sludge can be reduced from 80-98% to about 50%, and most crude oil in the oily sludge can be recovered. Thus, sludge subsequent processing difficulty is greatly reduced. The technology provided by the invention has a wide range of application, is especially suitable for processing of oily sludge at the bottom of an oil-tank, dross and activated sludge as well as processing of various oily sludge generated from oil exploitation and storage transportation enterprises.

Provided is a suspended ceiling light steel subsidiary keel. Side walls on two sides of the light steel subsidiary keel are respectively provided with one groove type rib. The invention further relates to a method of assembling the light steel subsidiary keel in a special-shaped suspended ceiling. According to the method of assembling the light steel subsidiary keel in the special-shaped suspended ceiling, a connection piece is needed to be matched. Strip-shaped grooves which are matched with the groove type ribs of the light steel subsidiary keel are formed in corresponding positions of the connection piece. The connection piece is inserted into a light steel keel and the light steel subsidiary keel, is positioned through the groove type ribs and the strip-shaped grooves in an insertion-connection mode and finally fixes the light steel keel and the light steel subsidiary keel through the connection piece. Compared with a previous screw fixation mode, the suspended ceiling light steel subsidiary keel and the method of assembling the suspended ceiling light steel subsidiary keel in the special-shaped suspended ceiling are good in fixing effect, capable of improving the construction speed, free from requirements of adding spare parts and auxiliary structures, low in cost, firm in connection and free from dislocation.

The present invention discloses a method for preparation of lignin-modified whole bio-based PBSA biodegradable plastic, and the method comprises the following steps: (1) whole bio-based PBSA is synthesized; (2) the whole bio-based PBSA and lignin are dried in vacuum, respectively; (3) the well-dried whole bio-based PBSA and lignin and a certain amount of chain extender, antioxidant, plasticizer, lubricant and heat stabilizer are added into a high-speed mixing machine and fully mixed; (4) mixed materials are extruded and granulated by a twin-screw extrusion machine; and (5) film blowing is performed to obtain the lignin modified whole bio-based PBSA biodegradable plastic. By introducing the biomass material lignin and performing compound modification, the prepared lignin-PBSA composite plastic meets the requirements of complete degradation, and the mechanical properties of the whole bio-based PBSA resin are enhanced and the cost of the plastic is effectively reduced, thus making the plastic more conducive to market promotion.

The invention relates to the field of coatings, and particularly relates to an epoxy self-leveling floor coating and a preparation method thereof. The epoxy self-leveling floor coating mainly comprises a component 1 and a component 2, wherein the component 1 comprises the following ingredients by mass percent: 40-45 percent of epoxy resin, 5-15 percent of active diluent, 10-15 percent of pigment, 25-45 percent of packing, 0.5-1 percent of dispersant, 0.5-1 percent of deformer, 0.5-1 percent of flow promoter and 0.2-0.5 percent of anti-sedimentation agent; and the component 2 is a curing agent with equal equivalence to the epoxy resin. The epoxy self-leveling floor coating has good chemical properties of water resistance, oil resistance, acid resistance, alkali resistance and salt fog resistance as well as physical properties of abrasion resistance, punching resistance and washing resistance, is flat, beautiful, easily cleaned and easily repaired and maintained, and can meet all the requirements of modern industrial floor; the coating and the preparation method are coincident with the environmental protection ideas and have no harm on human bodies; and the construction is simple, the curing time does not exceed 24 hours, and the coating and the preparation method thereof have a wide application prospect.

The invention discloses an aroma compound. By employing multiple aroma component-containing materials as raw materials, by utilizing biological target separation and aroma producing technologies such as specific enzymatic degradation, aroma microbial conversion and the like, combined with manners of modern membrane separation technology and the like, the aroma compound is extracted and obtained. The aroma efficiency of the aroma compound is raised greatly. The aroma is strong and natural. The aroma compound has good market application values.

The invention belongs to the field of biological/medical waste treatment, and discloses a multi-stage treatment method and equipment for biomedical wastes. The method comprises the following steps of (1) smashing the biomedical wastes, and meanwhile, adopting a peroxide disinfectant with the mass concentration being 0.1 to 0.5 percent for carrying out first-stage disinfection treatment on the biomedical wastes; (2) carrying out second-stage disinfection treatment on the treated wastes with the remained peroxide disinfectant and subjected to first-stage disinfection treatment, wherein the second-stage disinfection treatment is characterized by adopting steam sterilizing heat treatment or adopting a high-concentration peroxide disinfectant with the mass concentration being 5 percent to 20 percent for disinfecting. The equipment for implementing the method comprises the following devices: a reaction bin (including a dosage dispenser, a smasher and a disinfection reaction tank) for receiving the wastes, and an enhanced disinfector (including a high-pressure steam sterilizer or a mixed reactor); the multi-stage treatment method and the equipment for the biomedical wastes provided by the invention have the advantages of good sterilization effect, short time and better environmental protection effect.

The invention belongs to the technical field of resin compositions and particularly relates to a glass fiber reinforced flame retardant polybutylene terephthalate resin composition with a laser engraving function and a preparation method thereof. The composition comprises, by weight, 43.2 to 73.2 parts of polybutylene terephthalate, 0 to 40 parts of continuous glass fibers, 9.5 to 15 parts of halogen flame-retardants, 3 to 5 parts of antimony trioxide, 3 to 5 parts of toughening agents, 0 to 0.5 part of coupling agents, 0.3 to 1.0 part of laser additives, 0.3 to 0.5 part of antioxidants, 0.3 to 0.5 part of lubricating agents and 0 to 0.5 part of carbon black. The resin composition simultaneously has good mechanical property, flame retardant property and laser marking performance, and evident laser marks in black, white or gray and the like can be made in a laser etching mode on matrices in different colors by the composition.

The invention discloses a VBNC biphenyl degrading bacterium isolation and screening method and applications. The method includes the steps that an accelerant SRpf is added into a processing group for enrichment culturing; the accelerant SRpf is not added into a control group; and a special bacterial strain in the processing group is isolated and purified to screen a VBNC state bacterium. A bacterial strain TG9 isolated and screened with the method is characterized in that 16S rRNA is a gene sequence shown in SEQ ID No.1; the bacterial strain TG9 can grow in the wide temperature, pH and salinity range, and can grow with biphenyl as a unique carbon source; meanwhile, the biphenyl tolerance concentration is as high as 3000 mg/L; and low chloro polychlorinated biphenyl and low chloro benzoic acid can also be degraded. In this way, the VBNC state bacterium isolation and screening method can be used for screening efficient biphenyl degrading bacterium groups and can also be used for screening other organic pollutant degrading bacterium groups; and a safe, low-cost and efficient method is provided for exploring a new culture resource and a new environment function bacterium.

The invention provides a composite energy absorption device for collision. The composite energy absorption device comprises an extruding part and a bursting part, wherein an accommodating cavity and fiber layers stacked on the side wall of the accommodating cavity are arranged in the bursting part; the accommodating cavity is filled with an energy absorption material; the fiber layers is divided into a silk fiber layer arranged on the inner layer and multiple carbon fiber layers stacked on the outer side of the silk fiber layer; the fiber arrangement angles in the carbon fiber layers are different; the extruding part comprises an extruding rod and an extruding plate; the extruding rod and the accommodating cavity are in interference fit, when the extending rod receives external force, one end of the extruding rod extends into the accommodating cavity and extrudes the energy absorption material, and the other end of the extruding rod is connected with the extruding plate.

The invention provides an agricultural quantitative watering device based on internet of things and a use method thereof. The agricultural quantitative watering device based on internet of things comprises an installing plate, wherein the left end and the right end of the installing plate are in sleeved connection with connecting rods, the positions of the connecting rods are fixed through lockingscrews located at the tops of the connecting rods, the bottoms of the connecting rods are provided with vertically arranged columns, one side of each column is rotatably connected with a rolling wheel through a hinge pin, the central part of the top of the installing plate is connected with a connecting plate through a rotary rod, the top of the connecting plate is connected with a water storagetank, the top of the water storage tank is provided with a water inlet. After the agricultural quantitative watering device senses that moisture in soil reaches a set value through a temperature sensor and a humidity sensor which are buried in the earth's surface, a central control unit controls a water pump and a magnetic valve to be shut down, irrigation is stopped, water is saved, automatic stop of the irrigation process is achieved, and crop damage and water resource waste caused by broad irrigation are avoided.

The present invention discloses a method for enriching efficient biphenyl degradation flora by using an accelerator SRpf, wherein the accelerator SRpf is added to an enrichment culture process of biphenyl degradation bacterial, continuous acclimation is performed to obtain an enrichment liquid with an efficient biphenyl degradation performance, and bacterial growth, flora diversity and a biphenyl degradation rate can be significantly increased with addition of the accelerator SRpf, wherein specifically bacterial growth is increased by 30-50%, a biphenyl degradation rate is increased by 20-70%, and a Shannon's diversity index is increased to 2.10-2.34 from 1.56-1.70. The accelerator SRpf has functions of VBNC flora recovery and bacterial growth promotion, such that the accelerator SRpf can be provided for enriching efficient biphenyl degradation flora and promoting growth of other organic pollutant degradation flora so as to provide a safe, cheap and efficient method for exploration of potential degradation flora in PCB, PAH and other pollution environments.

The invention discloses a preparing method and a product of an environment friendly cigarette succedaneum. The preparing method of the invention comprises that the product is made by dehydrating the mixture of the fruit skin and the pulp and then by the general cigarette preparing technology. The product replaces the toxin nicotine with the fruit skin or the pulp containing skin, pulp or mixture which contains a plurality of natural elite ingredients; therefore, the product not only has low cost and accords with the economic benefits, but also accords with the environment protection concept. Moreover, the product gives out a fascinating fruity and has the function of the fume removing in the environment; the product is not only harmful to the human body and the surroundings, but also beneficial to the health of the human body; and the product has various efficacy, such as weight losing, skin care and whitening, and oxidation resistance and aging proof.