43results about How to "Quarantine pollution" patented technology

The invention discloses a pressure boost sealing oil tank of concrete pump automobile, which is characterized by the following: opening air inlet, oil suction hole and oil return hole on the oil tank; connecting the oil suction hole with the oil pump of concrete pump automobile; connecting the air inlet with the air reservoir through gas supply device. The invention reduces the noise of oil pump and lengthens the lifetime, which optimizes the entire pump automobile structure.

The invention discloses a water-borne wood paint resin used outdoors and a preparation method thereof. The water-borne wood paint resin is prepared from, 20-45% of (methyl)acrylate monomers, 1-30% of fluorinated acrylate monomers, 0.2-10% of functional monomers, 0.1-10% of emulgator, 0.1-5% of initiator and 40-70% of water. The core-shell emulsion polymerization is adopted for the resin, and the resin has good adhesive force, film-forming property, hardness and the like on woodware, can be widely applied to furniture and other outdoor woodware products, and meanwhile has excellent effects of aging resistance, water resistance, pollution resistance and corrosion resistance by containing fluorine elements.

The invention relates to the field of equipment manufacturing in the sludge treatment industry and provides an automatic pressure balancing device for a pressure filter. The automatic pressure balancing device comprises a thrust plate, filter plates and a pressing plate, wherein the thrust pate, the filter plates and the pressing plate are arranged in sequence. The pressing plate is connected with a main cylinder. A feeding pump and a water inlet pipe are connected with the filter plates. The automatic pressure balancing device is further provided with a material-oil conversion leather bag, a water-oil conversion leather bag, an oil cylinder and air cylinder assembly and a pressure stabilizing gas storage tank. A small oil cylinder is located on the upper portion of the oil cylinder and gas cylinder assembly, and a large oil cylinder is located on the lower portion of the oil cylinder and gas cylinder assembly. A piston rod of the small oil cylinder is connected with a piston rod of the large oil cylinder. Pre-pressing air cylinders are arranged on the left side and the right side of the large oil cylinder correspondingly. The piston rod of the large oil cylinder is connected with piston rods of the two pre-pressing air cylinders through a cross rod. Four cylinder bodies of the small oil cylinder, the large oil cylinder and the pre-pressing air cylinders are connected through a square frame. The automatic pressure balancing device is further provided with a proximity switch. The large oil cylinder is connected with the material-oil conversion leather bag and the water-oil conversion leather bag. The small oil cylinder is connected with the main cylinder. The pressure stabilizing gas storage tank is connected with the two pre-pressing air cylinders. By the adoption of the automatic pressure balancing device, the dynamic balance between the material pressure or water pressure and the oil pressure of the main cylinder is achieved, the situation that the filter plates are damaged under excessively high pressure is avoided, the structure is simple, and maintenance is convenient.

The invention provides a ship tail end power distribution system. The system comprises a power network used for power transmission and an information network used for managing a regional power distribution system, a digital control mode is adopted, the power flow of all branches or ports is accurately controlled, the power scheduling function is optimized, the simultaneous parallel power supply ofmultiple paths of power sources is achieved, and a power supply mode is converted from passive power distribution to active power distribution; by connecting an electric energy interconnection deviceand port equipment thereof and communicating with a ship energy management system and a comprehensive platform management network, the accurate guarantee and reasonable distribution of the electric energy in the area are effectively performed as required, and the fusion of the energy flow and the information flow is realized.

The invention relates to a road guard bar flower bed, and belongs to the technical field of transportation buildings. The road guard bar flower bed comprises a plurality of stand columns and guard bars located between the stand columns. Flower bed bodies where green plants are planted are arranged on the stand columns. The bottoms of the flower bed bodies are provided with water slow-releasing parts and water leaking holes, and fertilizer slow-releasing parts are arranged on the inner side walls of the flower bed bodies. By means of the road guard bar flower bed, noise and dust between roads are effectively isolated, maintenance is convenient, and the road guard bar flower bed basically does not need to be manually maintained.

The invention relates to a cosmetic composition for protecting and repairing damaged skin, an invisible mask and a preparation method of the invisible mask. The cosmetic composition for protecting and repairing the damaged skin comprises the following components: stem cell growth peptide, an olive leaf extract and a broccolini extract, wherein the weight ratio of the stem cell growth peptide to the olive leaf extract to the broccolini extract is (5*10<5>-15*10<5>):(0.5-3):(0.5-3). According to the invisible mask prepared from the cosmetic composition for protecting and repairing the damaged skin, epidermic or hypodermal cells can be synergistically prompted for proliferation and migration, metabolism of the skin is accelerated, wound healing is prompted and the damaged skin can be quickly repaired. According to the prepared invisible mask, the preparation method of the invisible mask for isolation and protection is simple and suitable for large-scale production; the mask prepared by adopting a freeze drying method does not affect an active ingredient, and zero burden of the skin can be really achieved.

The invention provides a box-type substation for initiative heat dissipation and energy saving. The box-type substation comprises a substation shell, a transformer, a temperature control switch, an initiative water cooling device, an initiative air cooling device, a solar energy receiving device, an energy storage device and a ventilation and dust prevention device. The substation shell comprisesa cubic steel structure frame which is used for being provided with a top cover of a solar cell panel; the initiative water cooling device comprises a heat dissipation fin internally provided with a cooling liquid channel, a high-pressure pump and a cooling liquid heat dissipation device, and the heat dissipation fin is made of an aluminum alloy material and fits a transformer body; the initiativeair cooling device comprises an air inlet fan, an air channel, an air distribution plate and an exhaust fan; the solar energy receiving device comprises the solar cell panel and a controller; the ventilation and dust prevention device comprises a grid-type door plate and a filter net which are installed on the substation shell. The box-type substation for initiative heat dissipation and energy saving has the advantages that the heat dissipation function of the substation is reserved, if a temperature sensor detects overtemperature, the substation starts forced water cooling and air cooling, the heat dissipation fin of the transformer is cooled through cooling liquid and an air distribution device, and the working temperature of the transformer is quickly lowered; therefore, the stabilityof the substation is improved, the service life is prolonged, a cooling fan is driven through the power supply of solar energy, the energy is saved, and the economic benefit is increased.

The invention discloses bone-permeating and pain-relieving type ointment and a preparation method thereof. The bone-permeating and pain-relieving type ointment is prepared from the following raw materials in parts by weight: 50 to 60 parts of herb of phryma leptostachya, 5 to 15 parts of safflower oil, 10 to 20 parts of folium eucalypti, 10 to 20 parts of herb of lycopodium clavatum, 2 to 5 parts of menthol and 1 to 3 parts of camphor. The preparation method comprises the following steps of extracting effective ingredients of traditional Chinese medicines by a decoction method, and performing reduced pressure concentration to form a sticky extract, so that under the condition of the same usage amount, the content of the effective ingredients is greatly increased after concentrating. The bone-permeating and pain-relieving type ointment has the advantages that the formula is formed by scientifically compounding through a large amount of specific practices on the basis of a traditional Chinese medicine theory, and the synergistic action of components is realized; the functions of activating blood circulation and removing blood stasis, restoring menstrual flow and permeating bone, and relieving swelling and pain are realized; the ointment is contained by a bead bottle, the skin is massaged in the use process, the medicine is promoted to permeate into skin, and the absorbing speed is higher.

The invention relates to the technical field of preparation and application of nano materials. The invention particularly relates to a vertical graphene glucolase working electrode, a preparation method and a biosensor. The vertical graphene glucolase working electrode comprises a vertical few-layer graphene film, a glucose oxidase layer coating the surface of the vertical few-layer graphene film,and a porous hydrophilic protection functional film coating the surface of the glucose oxidase layer, wherein the vertical few-layer graphene film is connected with a non-hexacyclic large pi bonded carbon atom point defect cluster and platinum nanoparticles. The vertical graphene glucolase working electrode can be used for continuous painless detection of glucose, and has extremely high detectionsensitivity.

A pressurization oil tank for an injection molding machine comprises an oil tank for oil storage. The tank body is provided with an air inlet, an oil suction opening and an oil return opening. The air inlet communicates with an air supply device, and the oil suction opening communicates with the oil suction end of a servo pump. The air supply device comprises a pneumatic dual linkage part and a pneumatic reversing valve, and the air inlet communicates with an outside compressed air source sequentially through the pneumatic reversing valve and the pneumatic dual linkage part. The pressurization oil tank has the following beneficial effects that the structure is simple and reasonable, the air pressure in the oil tank is larger than the outside air pressure through the air supply device, the pressure of the oil suction opening of an oil pump is improved, and therefore it can be ensured that a hydraulic system of the injection molding machine reliably operates in plateau sections, the noise of the oil pump can be reduced, and the service life of the oil pump can be prolonged; the tank body in the structure is totally closed, and the cleanliness of oil can be effectively improved; and it can be ensured that self suction of the oil pump is smooth in the plateau sections, in addition, the oil suction pipe diameter can be optimized, and the functions of reasonable layout and structure optimization can be achieved.

The invention discloses a cryopreservation method of rhynchostylis retusa pollen. The cryopreservation method comprises the following steps: collecting and drying the pollen, freezing and thawing. In the pollen drying process, the pollen is placed in a breathable bag, a drying agent is isolated from the pollen to prevent pollen pollution, the breathable bag is good in breathability, and the drying effect is very good; furthermore, the concentration of DMSO in a vitrifying solution PVS2 is reduced, propylene glycol is added on the basis of original components of the PVS2, and the propylene glycol is an anti-freezing agent with permeability and low toxicity. Therefore, by the cryopreservation method of the rhynchostylis retusa pollen, provided by the invention, the pollen vitality can be effectively guaranteed for a long time; the cryopreservation method is simple and easy to implement; the pollen can be taken out and thawed for pollination at any time, so that the cryopreservation method has an important practicing and promotional significance in breeding and production of rhynchostylis retusa.

The invention relates to a whole-sealing combined type multifunctional moving work shed system which comprises a body part and blocking parts located on the two sides of the body part. A sealed construction space can be formed by the body part and the blocking parts. The bottoms of the body part and the blocking parts are supported by a first rail, and driving mechanisms and fixing mechanisms arearranged at the bottoms of the body part and the blocking parts. The driving mechanisms are used for driving the body part and the blocking parts to move along the first rail, and the fixing mechanisms are used for locking and fixing the body part and the blocking parts on the first rail. By the adoption of the work shed system, the surroundings cannot be affected by construction, demounting and repeated mounting are not needed during moving, the construction period is shortened, and the construction cost is reduced.

The invention provides a wound dressing containing icodextrin. The wound dressing takes a medical gauze, non-woven fabric or polyurethane foam as a carrier, and comprises icodextrin, polyhydric alcohol, a thickening agent, a preservative, purified water or water for injection; the obtained wound dressing can be used for healthy skin or wound skin; while being used for the healthy skin, the wound dressing has the effects of replenishing water, realizing skin rejuvenation and protecting skin exposed for a long time from being polluted by the environment; while being used for the skin with an exudation wound, the dressing in the invention can absorb exudation; and the wound dressing in the invention also can form a protective film on the surface of the wound to prevent wound adhesion while promoting the wound to recover.

The invention relates to the technical field of air purification, and provides an air purification device and method based on solution sterilization and disinfection. The device is characterized in that an air dissolving system is built by a driving assembly, an air compressor and an air storage tank. According to the air purification method, the driving assembly is controlled to drive the air compressor to compress air to be purified, so that the air to be purified is dissolved into a sterilization and disinfection solution in the air storage tank, and the compressed air and the sterilizationand disinfection solution are fully mixed for effectively killing bacteria and viruses in the air. Through the arrangement of a first air filter tank arranged on the side face of the air storage tankand a second air filter tank arranged at the tail end of an exhaust module, pollution of the sterilization and disinfection solution caused by dust, sundries and the like in external air is effectively isolated; the leakage and loss of the sterilization and disinfection solution are reduced; the use efficiency of the sterilization and disinfection solution is greatly improved; and the cost of airpurification is lowered.

The embodiment of the invention discloses a pipeline assembly, an air pressure detection module, an atomization system, a breathing machine and a control method. The pipeline assembly comprises a multi-way pipe and a pipeline, the first path of the multi-way pipe and the flexible sealing component are connected in a sealed mode and used for isolating pollution of gas in the first path of the multi-way pipe and generating elastic deformation along with pressure of the gas in the multi-way pipe, so that pollution is effectively isolated, synchronous change of gas pressure on the two sides of the pollution isolation component is kept, and gas pressure detection of the gas pressure sensor is facilitated. And the air pressure sensor is not polluted.

The invention provides a chitin nanofiber/Nisin composite preservative based on transglutaminase induced crosslinking and a preparation method of the chitin nanofiber/Nisin composite preservative. Thepreparation method comprises the following steps of S1, preparing chitin nanofibers; and S2, adding Nisin and transglutaminase into a chitin nanofiber solution dissolved in acetic acid, and carryingout stirring, water bath oscillation and pH value adjustment, so as to finally obtain the chitin nanofiber/Nisin composite preservative based on transglutaminase induced cross-linking. According to the preparation method, the transglutaminase is used for inducing the chitin nanofibers and the Nisin to be crosslinked to form a stable covalent bond, so that the stability of the Nisin is improved; and besides, due to the high surface volume ratio of the chitin nanofibers, more binding sites can be provided for carrying out nano adsorption on the Nisin, and synergistic antibiosis is carried out byutilizing the film-forming property and the antibacterial activity of nanoscale chitin and the antibacterial property of the Nisin, so that breeding and reproduction of most microorganisms are inhibited. Experimental results show that the preservative prepared by the invention has excellent antibacterial and bacteriostatic ability, and can greatly prolong the preservation time of seafood.

The invention discloses an easy-to-disassemble eye protection device and a manufacturing method thereof. The easy-to-disassemble eye protection device comprises a mask body; and a bonding layer is arranged on the lower portion of the surface of the inner side of the mask body, and a hasp matched with mask non-woven fabric is bonded to the bonding layer. The manufacturing method of the easy-to-disassemble eye protection device comprises the following steps that firstly, a sheet of the mask body is produced from polymer resin in a multi-layer co-extrusion mode; secondly, the mask body sheet is coated with anti-fog coating in a coating mode; thirdly, the mask body sheet is stamped and formed into the mask body according to the needed shape and size; fourthly, the outer side of a double-sidedadhesive tape is attached to the lower edge of the inner surface of the mask body; and fifthly, the hasp is attached to the inner surface of the double-sided adhesive tape to obtain a finished product.

The invention relates to a crane in a special clean environment, specifically to a clean dustproof portal crane. According to the clean dustproof portal crane, two ends of a main beam are provided with outrigger devices; a crane travel mechanism is arranged below the outriggers; the crane travel mechanism is contacted with a crane track through wheels. The material of the wheels is a high polymer material. The material of the crane track is stainless steel. A hoist crane dolly is arranged on the main beam. A hoist crane is disposed inside the hoist crane dolly. A hoisting endless chain and pulleys of the hoist crane are wrapped with a plastic dustproof cover. The material of the main beam, the outrigger devices, the crane travel mechanism, the crane tack and the hoist crane dolly is stainless steel. The high polymer material of the wheels is epoxy resin or polyimide. According to the invention, cleanliness of equipment is raised; equipment weight is reduced; equipment cost is decreased; and effective working range of hoisting is broadened.

The invention discloses an oil pollution separation device for sludge. The oil pollution separation device comprises a shell, a material storage tank, a oil storage tank, a transmission device, a suction device and a liquid discharging device, the material storage tank is mounted on the left side of the shell, the oil storage tank is mounted on the right side of the shell, the transmission device is mounted on the upper portion of the shell, the suction device is mounted on the transmission device, and the liquid discharging device is mounted above the oil storage tank. An oil pollution layer on the upper portion of the sludge can be rapidly separated, the oil pollution separation device has good treatment effect and low production cost, air pollution can be effectively avoided by the aid of a closed shell structure, and the air quality of an operation space is improved.

The invention discloses a pluggable intelligent contract virtual machine system and an intelligent contract calling method, and relates to the field of intelligent contract software interfaces. The system comprises a core module, an intelligent contract virtual machine, a pluggable intelligent contract virtual machine module and an SEM virtual machine subsystem module; wherein the subsystem module is called through the core module; the pluggable intelligent contract virtual machine module carries out customization processing on the intelligent contract virtual machine through an API interface; and the SEM virtual machine subsystem module calls the intelligent contract virtual machine to implement the intelligent contract. The calling method of the smart contract calls the smart contract machine through the system. The method has the following advantages that for different intelligent contract virtual machines each time, only the API needs to be used for calling, code change does not need to be carried out when calling is carried out for different virtual machines, loading and unloading of the virtual machines do not relate to the content of the core module, and code pollution to the core module is well avoided.