21results about How to "Easy to pollute" patented technology

The invention belongs to the technical field of molecular sieve synthesis, and discloses a preparation method for crystal transformation synthesis of an ANA type molecular sieve. The preparation method comprises the following steps: mixing an inorganic alkali solution with a Y-type molecular sieve, and crystallizing; and sequentially drying and grinding the crystallized product to obtain the ANA type molecular sieve. Through the key guiding effect provided by Na < + > ions in the molecular sieve crystal transformation process, template-free synthesis of the ANA type molecular sieve is realized, and dependence of ANA type molecular sieve synthesis on an organic template agent is eliminated. Besides, the Y-type molecular sieve is used as a silicon-aluminum source, so that the cost is reduced, the production efficiency is improved, the environmental pollution is reduced, and favorable conditions are provided for large-scale production of the ANA type molecular sieve. The prepared ANA type molecular sieve has the advantages of high purity, good crystallinity and price, and fully meets the market demand.

The invention relates to the technical field of fireproof coating construction, and discloses spraying equipment for fireproof coating construction, which comprises a base, a vertical beam is fixedly connected to the top of the base, an electric control cabinet is fixedly connected to one side of the vertical beam, and two guide rods are fixedly connected to the interior of the vertical beam. A lifting frame is slidably connected between the two guide rods through a plurality of sliding tables, and a lifting assembly for driving the lifting frame to move up and down along the guide rods is arranged in the vertical beam. Fireproof coating is sprayed by the spraying assembly at a specified distance away from the inner wall of the tunnel, then the spraying assembly is slowly moved by the lifting assembly, so that uniform spraying operation is realized, and the spraying assembly is wrapped and shielded by the blocking cover, so that the spraying efficiency is improved. And meanwhile, dust removal operation before spraying of the surface of the inner wall of the tunnel is completed through a spraying treatment assembly arranged on the outer side of the blocking cover, air circulation of the sprayed fireproof coating surface is accelerated through warm air, and the drying rate of the fireproof coating is effectively increased.

The invention discloses a dustproof textile processing textile machine which specifically comprises a base, the base is provided with a stable lower plate and a surrounding plate arranged above the base, the middle of the surrounding plate is fixedly connected with a sealing box, a sedimentation mechanism is arranged in the sealing box, and the outer portion of the sealing box is fixedly connected with a water inlet pipe; the reinforcing base is provided with a damping assembly and a first motor box arranged in the reinforcing base, and a spinning assembly is arranged on the right side of the first motor box; the device comprises a working box, the working box is provided with a smooth inner wall and a scraping mechanism arranged in the working box, a control mechanism is arranged in the working box, and a refrigeration mechanism is fixedly connected to the upper portion of the control mechanism. According to the dustproof textile machine for textile processing, during textile work, dust is collected and settled, meanwhile, cooling and heat dissipation are conducted on the interior of equipment, and the purpose of improving the dustproof efficiency is achieved.

The invention discloses a process for preparing a V2O3 / ZnV2O3 total battery by simultaneously using vanadium oxide in a zinc ion battery as a positive electrode material and a negative electrode material, which comprises the following steps: reacting ammonium metavanadate with absolute ethyl alcohol by adopting a solvothermal synthesis method, washing, drying, and calcining in a tubular furnace to obtain V2O3; in the preparation process of the V2O3 positive electrode material, only V2O3, acetylene black serving as a conductive agent and PVDF serving as a binder are mixed in proportion and then are coated on graphite paper, other coating protection materials do not need to be introduced into a V2O3 / Zn negative electrode, and V2O3 is used as a protection layer to inhibit growth of zinc dendrites, relieve hydrogen evolution side reaction of the zinc negative electrode and reduce corrosion of zinc. Vanadium oxide V2O3 is directly used as a core positive electrode material, the zinc negative electrode coating is developed by utilizing the characteristics of the vanadium oxide V2O3, a material is formed, meanwhile, the performance optimization of the positive electrode and the negative electrode is realized, the used raw materials are simple and easy to obtain, the process is simple and easy to implement, and the preparation process is simple and easy to implement from V2O3 raw material synthesis to positive and negative electrode piece preparation to V2O3 / ZnV2O3 total battery assembly. And comprehensive improvement of positive and negative electrode performances of zinc ions is simultaneously realized by a single material.

The present application relates to the field of analytical chemistry, and provide a kind of method for detecting complex matrix of agricultural products in guanidine morpholino salt hydrochloride.The extraction solvent of the present application uses acetonitrile+acid+aqueous solution, different acid is selected according to the water content of sample, trifluoroacetic acid is used for high water content sample, and formic acid is used for low water content sample;In purification, pH value is adjusted according to the oil content of sample, ammonia is used to adjust pH to 8.5 for high oil content sample, and pH value can not be adjusted for low oil content sample.In the method, NaCl is not added to make organic phase and aqueous phase in extraction liquid stratified, through the way of extracting three times repeatedly, the recovery rate of the method is guaranteed;And using ultra-high phase liquid chromatography triple quadrupole mass spectrometry technology, guanidine morpholino salt hydrochloride in complex matrix of agricultural products is successfully detected, the extraction method is fast and simple, the quantitative limit of guanidine morpholino salt hydrochloride in tea is 0.1mg / kg, and the quantitative limit in other matrix is 0.05mg / kg, which is suitable for routine analysis, and can meet the quantitative detection requirements of guanidine morpholino salt hydrochloride in complex matrix of agricultural products.

The utility model provides a flosser belongs to flosser technical field, it has solved the present flosser existence health hidden danger's technical problem. The flosser includes box body and ejector, and the box body has floss outlet, and the box body has the transverse baffle in, and the upper side of transverse baffle has the strip hole who arranges along the moving direction of ejector, and the ejector includes the baffle and the moving seat who forms from the downward protruding of the lower side of baffle, and the moving seat supports in the upper side of transverse baffle, and the moving seat has the hook portion who stretches out the strip hole downward, and the flosser is equipped with the elastic member who can make the moving seat to the side where floss outlet is located translation, and the top wall of box body has the let -by hole who is through, and the baffle is along the strip hole length direction and is set to strip shape, and the upper side of baffle is in close contact with the top wall of box body, and the baffle's middle section has the protruding portion who protrudes the let -by hole. The flosser has better health protection effect.

The invention belongs to the field of biological medicine tissue engineering, and provides a preparation method of a degradable wet tissue antibacterial biological adhesive. The antibacterial biological adhesive capable of degrading the wet tissues is prepared by taking citric acid, 1, 8-octylene glycol and epsilon-caprolactone as main raw materials through one-pot melt polycondensation and refining; the prepared product has the characteristics of strong wet tissue adhesion, biodegradability and antibacterial property. The raw materials required by the preparation method are easy to obtain, the preparation method is simple and easy to operate, and the reaction conditions are mild; no organic solvent is used in the preparation process, so that no pollution is caused; and the method has wide application potential.

This invention discloses a laser coating cleaning system and method. The laser coating cleaning system includes a coating cleaning head, a system support, and an electric scooter. The coating cleaning head has a flat, duckbill-shaped end with a linear light outlet and is protected by both positive and negative pressure gases. This ensures effective cleaning while protecting the lens and the surrounding environment. The coating cleaning head and the electric scooter are mounted on the front and rear side walls of the system support, respectively. Operators can easily move the scooter to the work area by controlling its direction with their feet. The system support is equipped with adjustable feet for posture adjustment. This invention is specifically developed for cleaning within a coating machine and is suitable for multi-angle, all-around cleaning within the coating machine. It eliminates the need to disassemble the coating machine, effectively overcoming the problems of low efficiency, high pollution, and unsuitability for large-volume cleaning in existing methods.

The invention relates to the technical field of oilfield exploitation, and provides a rare earth complex trace element tracer agent for oilfield development. The method comprises the following steps: firstly, preparing a complexing agent aqueous solution, and dissolving a selected complexing agent in a proper amount of water to obtain the complexing agent aqueous solution; preparing a rare earth salt aqueous solution, reacting the rare earth element powder with dilute acid to generate rare earth salt precipitate, extracting the rare earth salt precipitate, performing evaporative crystallization, drying and crushing to obtain rare earth salt powder, and dissolving the rare earth salt powder in a proper amount of water to obtain the rare earth salt aqueous solution; and then adding the rare earth salt aqueous solution into the complexing agent aqueous solution, placing the mixed solution in a water bath at the constant temperature of 90 DEG C, uniformly stirring, continuously carrying out complexing reaction for 3 hours, crystallizing, crushing and drying to obtain the rare earth complex trace element tracer agent.

This invention proposes a gasoline antiknock agent, its preparation method, and its application, belonging to the field of antiknock agent technology. Palm oil is subjected to molecular distillation, and the secondary distillation product and undistilled substances are collected. The undistilled substances react with ethanol to obtain palm oil fatty acid ethyl esters. The secondary distillation product undergoes a saponification reaction with an alkali to obtain a saponified product, which is then added to water with a hydrophilic emulsifier to obtain an aqueous phase. A lipophilic emulsifier, methyl malonate, and palm oil fatty acid ethyl esters are added to the residual oil to obtain an oil phase. The aqueous phase is then added dropwise to the oil phase, emulsified, and filtered to obtain the gasoline antiknock agent. This gasoline antiknock agent achieves antiknock through the rapid vaporization of nano-water droplets. While providing antiknock protection, it also reduces cylinder temperature and exhaust emissions. Furthermore, its components are safe and environmentally friendly, non-polluting, non-toxic, easily degradable, and low-cost. It maintains good antiknock performance even at relatively low temperatures, indicating broad application prospects.

The utility model relates to the technical field of reaction kettles, in particular to a reaction kettle for processing polyurethane composite materials of an engine cover, which comprises a support, a tank body, a motor, a feed port and an exhaust device, the tank body is arranged on the upper surface of the support, the motor is arranged on the upper surface of the tank body, the feed port is arranged at the upper end of the tank body, and the exhaust device is arranged on the support. The exhaust device is arranged at the upper end of the tank body and comprises a connecting pipe and an exhaust pipe, the connecting pipe is fixedly connected with the upper end of the tank body, and the exhaust pipe is arranged at one end of the connecting pipe. By arranging the exhaust device, the interior of the tank body is effectively exhausted, the effect of exhausting redundant gas in the tank body is achieved, and the problems that when the equipment is used, a large amount of gas is easily generated when materials are stirred and processed in the equipment, the generated gas is easy to expand the interior of the tank body, and the equipment cannot be used for stirring and processing the materials are solved. The appearance of the tank body is easy to deform, and the equipment is damaged, so that the practicability of the equipment is improved.

This utility model provides a medicine box, including a base and a connecting cover disposed above the base and rotatable in a circumferential direction along the base. The base is hollow to form a cavity for containing medicines. The base is provided with a partition plate to divide the cavity into several medicine storage chambers. The connecting cover is provided with a through groove that can be opposite to any medicine storage chamber. The connecting cover is also provided with a sealing block for covering the through groove. A cover plate is also provided above the connecting cover, which can close with the base. This medicine box can overcome the defect of the prior art where the cover is easy to loosen after being rotated many times over a long period of time, which may cause the cover to rotate on its own when not in use, causing the medicine inside the medicine box to fall out.

The present invention relates to a preparation for rapidly promoting the germination and rooting of Tamarix chinensis cuttings and a preparation method thereof. The raw material formula is: 500-1000 mg / L of indolebutyric acid, 250-500 mg / L of cytokinin, and the rest is double distilled water. Under the treatment of the preparation, the survival rate of Tamarix chinensis cuttings can be rapidly improved, the growth of the aboveground part and the root system can be promoted, and the cutting propagation rate of Tamarix chinensis branches can be significantly improved.

The utility model discloses a wind power tower rust removal device convenient to clean scraps, which belongs to the technical field of tower rust removal and comprises a machine tool, a plurality of scrap inlets are arranged on the machine tool, a storage groove is arranged below the scrap inlets and corresponds to the inside of the machine tool, and two guide plates are fixedly connected to the inner wall of the storage groove. According to the rust removal device for the wind power tower drum convenient to clean the sweeps, when the sweeps are cleaned, an operator starts a first motor on a support, the first motor enables a fan to rotate, the sweeps are sucked in from a scrap inlet, and after falling onto a guide plate, the sweeps slide to the bottom of a storage groove along the inclined surface of the guide plate and are accumulated; according to the dust removal device for the tower drum, waste chips generated during dust removal machining are conveniently cleaned, the situation that a large number of waste chips are accumulated on the dust removal device, normal dust removal machining of the tower drum is affected is prevented, the surrounding environment is easily polluted when the waste chips are blown away by wind on the dust removal device, and the functionality and the environmental protection property of the dust removal device are improved.

The invention discloses a labeling machine and a labeling method of the labeling machine, and belongs to the field of labeling machines.The labeling machine comprises a lower rack, an upper rack is fixedly connected to the edge position of the top end face of the lower rack, two parallel feeding assemblies are fixedly connected to the top end face of the lower rack, and two symmetrical feeding and discharging assemblies are arranged between the two feeding assemblies; a strip-shaped plate is fixedly connected to the edge of one side of the top end face of the lower rack, a strip-shaped air blowing box is fixedly connected to the top end face of the strip-shaped plate, a three-axis material taking assembly is fixedly connected to the top end face of the strip-shaped air blowing box, and an adjustable air blowing assembly is arranged in the strip-shaped air blowing box. The feeding assembly specifically comprises two first strip-shaped supporting plates fixed to the top end face of the lower rack side by side, and the top end faces of the first strip-shaped supporting plates are fixedly connected with first linear guide rails. According to the double-station labeling machine, through the arrangement of the double stations, when labels are taken and pasted on one station, the electronic products subjected to labeling are conveyed on the other station, labeling is conducted alternately, and the working efficiency is improved.

The invention discloses an application method of leguminous green manure in cooperation with growth-promoting bacteria for emission reduction and efficiency improvement, and relates to the technical field of crop planting. The method comprises the following steps that rye bean seeds are sown in soil inoculated with bacillus velezensis, rye bean plants are cultured to the full-bloom stage, and then the rye bean plants serve as green manure to be subjected to smashing and turning and pressing treatment. A special bacillus velezensis strain is obtained through separation, has the effects of inhibiting bacteria, fixing nitrogen, dissolving phosphorus, dissolving potassium, forming a biological membrane and generating auxin, has excellent biological characteristics of stress resistance, rapid growth, easiness in separation and the like, further has the advantages of easiness in culture, safety, harmlessness, no pollution and the like, can be fermented to generate rich metabolites, and has a good application prospect. The antibacterial activity and the anti-stress capability are good. The bacillus velezensis is particularly suitable for being combined with rye beans for green manure cultivation, and the effects of fertilizing green manure soil and reducing gas emission can be maximized.

The utility model relates to the technical field of sintering furnaces, in particular to an oxide target material continuous type circulation sintering furnace which comprises a furnace body and an extraction device, the lower surface of the furnace body is fixedly connected with a placing table, the surface of the furnace body is provided with a furnace cover, the surface of the placing table is provided with a controller, the surface of the furnace cover is fixedly connected with a handle, and the handle is fixedly connected with the extraction device. The extraction device is arranged on the side face of the furnace body and comprises an extraction block and an extractor. According to the utility model, through the arrangement of the extraction device, waste gas generated when the furnace body is opened is effectively extracted, the effect of discharging the waste gas is achieved, and the problems that when equipment is used and a user opens the furnace cover to take materials in the furnace body, harmful gas is easily generated due to high-temperature firing of the materials in the furnace body, and the furnace body is damaged are solved. And when the furnace body is opened to take materials, harmful waste gas quickly flows out, so that a user easily absorbs the harmful waste gas to cause certain damage to body health, and the practicability of the equipment is improved.

The invention provides a gasoline antiknock agent as well as a preparation method and application thereof, and belongs to the technical field of antiknock agents. The method comprises the following steps: carrying out molecular distillation on palm oil, collecting a secondary distillation product and an undistilled substance, and reacting the undistilled substance with ethanol to prepare palm oil fatty acid ethyl ester; carrying out saponification reaction on the secondary distillation product and alkali to obtain a saponification product, and adding water into the saponification product and a hydrophilic emulsifier to obtain a water phase; and adding the oleophylic emulsifier, methyl malonate and palm oil fatty acid ethyl ester into the residual oil to prepare an oil phase, dropwise adding the water phase into the oil phase, emulsifying, and filtering to obtain the gasoline antiknock agent. The gasoline antiknock agent provided by the invention can realize antiknock through rapid vaporization of nano water drops, can reduce the temperature of a cylinder and reduce exhaust emission while resisting the antiknock, has safe and environment-friendly components, does not pollute the environment, is non-toxic, easy to degrade and low in cost, still keeps better antiknock performance at a lower temperature, and is only used for wide application prospects.

The present invention discloses a multifunctional circulating cleaning system for bidirectional cleaning of parts to be cleaned, comprising: an air source, a first gas-liquid separator and a second gas-liquid separator for storing cleaning agents, a first exhaust pipeline, a second exhaust pipeline, a pressure detection device, and a plurality of pipelines connecting the above components, and electromagnetic valves and controllers arranged on the pipelines. The present invention uses an air source as a power source, cooperates with a plurality of pipelines and electromagnetic valves to realize a reciprocating circulation type automatic cleaning process, is simple to operate, can clean thoroughly, and can also perform batch cleaning work, thereby solving the problem of recycling cleaning agents, effectively reducing cleaning costs, and truly realizing cleaning without liquid residue.

The invention relates to the technical field of high polymer materials, in particular to a high-strength PBS biodegradable plastic and a preparation method thereof.The high-strength PBS biodegradable plastic is prepared from 4000-5000 parts of succinic acid, 5000-6000 parts of 1, 4-butanediol, 0.9-22 parts of a first catalyst and 4.5-550 parts of a functional additive; wherein the functional aids comprise a first functional aid and a second functional aid; the first functional additive comprises at least one of polyethylene wax, polypropylene wax and oxidized polyethylene wax; the second functional additive is selected from one of a formula (I) or a formula (II); the weight ratio of the first functional additive to the second functional additive is (0.5-3): 1; according to the high-strength PBS biodegradable plastic prepared by selecting a specific functional aid and a catalyst to be matched with the raw materials, the crystallization temperature of the PBS plastic is increased, the crystallization speed is increased, meanwhile, the tensile strength and the high-temperature resistance of the PBS plastic are improved, the hydrophobicity of the PBS plastic is enhanced, and therefore the degradation time of the PBS plastic is prolonged.

The utility model discloses a coke oven gas desulfurization system which comprises an absorption tower, a desorption tower, heat exchange equipment, first cooling equipment, second cooling equipment and gas-liquid separation equipment, wherein the absorption tower is used for contact absorption reaction of coke oven gas and a composite alcohol amine solution to implement a desulfurization process; the desorption tower is connected with the absorption tower and is used for desorption reaction of desorbing the acid gas from the composite alcohol amine solution which absorbs the acid gas and providing circulating liquid for desulfurization reaction; the first input end of the heat exchange equipment is connected to the rich liquor output end of the absorption tower, and the second input end is connected with the barren liquor output end of the desorption tower; the second output end is connected to the input end of the first cooling equipment, and the output end of the first cooling equipment is connected to the top input end of the desulfurizing tower; the input end of the second cooling equipment is connected to the acid gas output end at the top of the desorption tower, and liquid generated by the second cooling equipment and the gas-liquid separator is connected to the top of the desorption tower through a pipeline; the gas-liquid separation equipment is used for separating acid gas from water vapor.