170results about How to "Reduce physical hazards" patented technology

The invention discloses a one-component water-based semi-gloss varnish and a preparation method thereof. The one-component water-based semi-gloss varnish comprises the raw material formulas in percentage by mass: 30-60% of water-based acrylic emulsion, 5-30% of water-based aliphatic series polyurethane emulsion, 3-10% of film forming assistant, 0.01-2% of antifoaming agent, 0.01-2% of dispersing agent, 0.1-5% of extinction powder, 0.01-2% of wax assistant, 0.01-2% of hand feeling assistant, 0.01-2% of thickening agent, 0.01-2% of cross-linking agent and 5-40% of water. The one-component water-based semi-gloss varnish of the invention has the advantages of super strong hand feeling, high fullness, high hardness, good chemical resistance, very low bodily injury on production and construction workers, and very low environmental pollution.

The invention discloses facility for automatically collecting waste liquid in volumetric flasks. The technical scheme of the facility includes that the facility for automatically collecting waste liquid comprises a fixing device, a power transmission device, a single-shaft robot, a transportation device and a rotary fixture. A container containing waste liquid is arranged on the fixing device, the fixing device on a conveyor is driven by a motor to be conveyed to an operation table, a cover of the container is unscrewed and placed in a cover collecting disc by a manipulator, the fixing device is transported to the rotary fixture above a waste liquid collecting barrel by a sucker, is fixed in a fixed sleeve, is turned and shaken by a rotating cylinder so that the waste liquid can be poured out, and finally is transported to the conveyor to be moved out of the operation table. The facility for automatically collecting waste liquid is simple in structure, convenient to operate, labor-saving, material-resource-saving, time-saving, safe, quick, high-efficient and automatic. Frequent working procedures are avoided.

The invention provides a polishing solution used for an amorphous alloy and a polishing method of an amorphous alloy. The polishing solution comprises: a sodium salt, an ammonium salt and a brightener, i.e. ceric sulfate. The polishing method includes plasma polishing to an amorphous alloy. And the plasma polishing method consists of: connecting the amorphous alloy to a positive electrode, and immersing the amorphous alloy into an electrolytic cell containing the polishing solution, and taking the electrolytic cell body as a negative electrode for plasma polishing. The amorphous alloy prepared with the polishing solution provided in the invention and by the plasma polishing method of the invention has a smooth surface and high surface reflectivity.

The invention discloses a deplating liquid for a NiCuNi plating on the surface of sintered NdFeB and a deplating process thereof. The deplating liquid for the NiCuNi plating on the surface of sintered NdFeB adopts deionized water or clean tap water as the liquid solvent, and all components and component contents are as follows: 60-90g / L reserve salt S, 120-150ml / L ethylene diamine, 20-40g / L anti-corrosion complexing agent and 50-100ml / L mineral acid. The solute further comprises a surface active agent of 0.5-1g / L. The anti-corrosion complexing agent is sodium citrate or triammonium citrate; the mineral acid is nitric acid or ammonium nitrate; and the surface active agent is potassium thiocyanate, or sodium sulfocyanate or ammonium thiocyanate. The deplating process comprises the following steps: preparing a deplating bath; disposing a deplating liquid; executing the deplating; and removing the deplating liquid on a product. The deplating liquid has the advantages of stable property, good deplating effect and low cost; and the deplating operation is simple and convenient, pollution is prevented, body harm of operators is relieved, waste is changed into valuable and the benefits are remarkable.

The invention relates to a high-temperature acceleratingly-hardened emulsion explosive, which comprises water-phase materials, oil-phase materials, emulsifier, sensitizer and hardening accelerator, wherein the water-phase materials include wax and / or fatty acid; the sensitizer includes physical sensitizer and chemical sensitizer simultaneously; and the hardening accelerator is selected from silicate and / or alkaline matter. The temperature of the emulsion explosive is higher than 35 DEG C, and the emulsion explosive has a certain hardness and is non-sticky, thereby being applicable to open-air filling operation in hot summer, and being high in explosion performance.

A disposable electronic cigarette cartridge comprises a shell (1) internally provided with a center smoke channel (1a), an annular tobacco tar storage cup (1b) and a top cavity (1c), a cigarette holder cover (2) covering the top of the shell and provided with a center through hole (2a), an electronic cigarette atomizer arranged at the lower part in the shell, a tobacco tar guide rope (12) transversely arranged on the atomizer, a center electrode (6) arranged at the bottom of the atomizer, a battery rod connection device (7) of which the upper part is arranged between the shell and the atomizer, an electric heating wire (11) wound on the tobacco tar guide rope and a sealing element; the tobacco tar storage cup surrounds the center smoke channel; the top cavity can be used for placing a filter material or spice; two ends of the tobacco tar guide rope extend into the annular tobacco tar storage cup; two ends of the electric heating wire are connected with the center electrode and the battery rod connection device respectively. According to the disposable electronic cigarette cartridge, no tobacco tar storage cotton is used, germ breeding is effectively avoided, the use rate of tobacco tar is high, generated smoke is more, the tobacco tar is prevented from being sucked into a mouth and the smoking experience is better.

The invention discloses a drainage pipeline dredging device. Shell travelling mechanisms composed of crawler belts and support frames are arranged on the two sides of a shell body, a distraction mechanism is fixed to the center of the shell body through a bolt, a shaft sleeve structure is mounted on a screw, and the screw is connected with a distraction motor through a coupling; a cleaning mechanism comprises a cutter head shaft, a cutter blade and a cleaning motor, the cutter head shaft is mounted on the outer end of the coupling, and the cutter blade is mounted on the cutter head shaft; a sewage discharging mechanism comprises an umbrella-shaped structure and a cable, one end of the umbrella-shaped structure is movably connected with the shell body, and the cable is mounted at the tail end of the umbrella-shaped structure; a guiding mechanism is perpendicularly mounted on the upper end surface of the shell body, and the travelling mechanisms and the guiding mechanism are in 120 degree distributed on the inner wall of the pipeline; and a control plate is internally provided with a signal receiver. According to the drainage pipeline dredging device, the functions of automatic cleaning, sewage discharging of the pipeline and polishing of inner part of the pipeline can be achieved, meanwhile the work efficiency of pipeline cleaning can be improved, damage on worker bodies of the sewage cleaning environment is lowered, and the personal safety of workers is guaranteed.

Provided is a big data health care and precision medical system and method based on intelligent terminals. The big data health care and precision medical system comprises a disease diagnosis computer device, a hospital computer server, the intelligent terminals and a health care server. Assistant medical software is installed in the disease diagnosis computer device, and health maintenance and care service software is installed in the intelligent terminals. Data butt joint between the intelligent terminals and the disease diagnosis computer device is achieved, big data is formed, and various types of data of disease prevention and treatment are encoded. The big data health care and precision medical system helps users to use the intelligent terminals, uses the big data to guide the users to obtain omnibearing health care, helps doctors to master the big data of the user, achieves precision medical treatment, treats symptoms of diseases, also treats medical causes from the sources and guides the users to obtain health care pointing to the symptoms and decreases physical hidden dangers. The system improves users' health from the sources, decreases diseases of patients, shortens the waiting time in a hospital, is a key system in the Internet health industry and powerfully promotes the great development of the health industry.

The invention discloses a rapid and automatic determination method and device for tripolycyanamide content in dairy products, belonging to the field of food analysis. The method comprises the following steps that: in a unit (A) under an operating procedure, a first step, a multifunctional valve is in a state I, a pump A rotates, a pump B stops, a first sample flows into a column 2 for enriching tripolycyanamide, and the eluent flows into a column 1 for regenerating tripolycyanamide; a second step, the pump A stops, the pump B rotates, the cleanout fluid flows into the column 2 for cleaning the impurities therein; a third step, the multifunctional valve is switched to a state II, eluent flows into the column 2 for eluting and regenerating tripolycyanamide; the tripolycyanamide in the column 2 is substituted by the eluent and directly enters into a sampling ring of a unit (B) in the form of a sample plug, so as to perform volume quantification, injection, re-separation and detection, and a response signal is processed by a computer; and meanwhile, a second sample enters into the column 1 for enrichment, and the process of the column 2 is repeated. The method and the device are high in automation degree and excellent in reproducibility, and can analyze about 30 samples per hour; and the unit (A) in the invention can be used with various flow injection analysis systems.

The invention discloses an inner forming process of a tubular lead-acid storage battery, which comprises the following steps of: (1) assembling positive and negative raw polar plates into a battery shell, filling 1.23-1.25g / cm<3> of sulfuric acid solution and standing for an hour so that the polar plates are fully soaked in the acid liquor; and (2) dividing the whole inner forming process into three phases, wherein different charging and discharging currents and time are adopted in different phases. The inner forming process lasts for four days, thereby shortening the production period, omitting the cockamamie sections, such as discharge, water washing, drying, and the like after formation and saving the production cost. Meanwhile, the polar plates are formed in the battery shell in the production process, and therefore, the acid mist is less, the pollution is low, and the body damage to workers is less than that of outer formation.

The invention belongs to the technical field of petrochemical engineering, and particularly provides a catalyst unpacking and conveying and dust removing system and method for an FCC (Fluid Catalytic Cracking) device. The catalyst unpacking and conveying and dust removing system comprises a dustproof unpacking system, a lifting system, a dust removing system and an automatic control system. With the adoption of the system and the method provided by the invention, the non-dust unpacking and dense phase automatic conveying of a catalyst can be achieved; the traditional conveying method of steam vacuum pumping is completely removed; and meanwhile, an efficient catalyst dust removing system based on a 316L stainless steel hybrid knitting filtering bag is adopted to replace the traditional cyclone separator; the dust removing efficiency can be increased to 99.99%. The system and the method have the advantages of low catalyst loss and relatively low running cost; and the method is a catalyst conveying and powder dust removing technology with a wide application prospect.

The invention provides a kit using single cell gel electrophoresis for detecting cell DNA damage and a method. The method includes gel laying, splitting, unwinding, electrophoresis, neutralizing and washing, drying and dyeing, a fluorescence microscope is used for observing a dyeing result and taking photos, and the damage degree of cell DNA is analyzed and evaluated. As three layers of gel need to be laid on a glass slide during sample preparation, a traditional single cell gel electrophoresis technology has the disadvantages of being complex in operation and prone to degumming, and sample images are unclear; while only one layer of gel needs to be laid on a glass slide, the kit has the advantages of being simple in sample preparing process, low in degumming rate, easy to operate, low in experiment cost and the like.

The invention discloses an environment-friendly, low-smoke and lead-free PVC electrical tube and a preparation method thereof. The electrical tube comprises the following components in mass part: 100 parts of PVC resin, 20-25 parts of calcium carbonate, 3.0-5.0 parts of organic composite heat stabilizer, 8-12 parts of impact-resistant agent, 2-3 parts of hydrotalcite, 5-8 parts of reinforcing agent, 2-4 parts of halogen-free anti-smoke flame retardant, 1-2 parts of internal and external lubricants, and 0.7-1.3 parts of TiO2. According to a formula ratio, the calcium carbonate is added firstly to be mixed at a high speed, and water in the calcium carbonate is removed. After that, the PVC resin is added to be mixed at a high speed for 2-3 min, and then other components are added to be thermally mixed and kneaded at a high speed for 10-15 mins. In this way, the temperature of an obtained product is up to 120-130 DEG C. Later, the product is cooled with the provision of cooling water at a stirring speed of 10-15 r / min to be discharged at 40-50 DEG C. Finally, the product is reheated to be plasticized, extruded and molded at 150-220 DEG C. The electrical tube is good in rigidness, anti-bending performance, heat resistance, aging resistance and insulativity, low in manufacturing cost and simple in machining process.

The invention relates to the technical field of biological remediation of polluted soil, in particular to a screening method for degradation bacteria with polycyclic aromatic hydrocarbon as a substrate. The method comprises the following steps of: performing enrichment culture on the degrading bacteria with the polycyclic aromatic hydrocarbon as the substrate by using a method for gradually increasing the concentration of the polycyclic aromatic hydrocarbon; after diluting enrichment culture solution by 101-107 times, coating the solution with proper concentration on a sorbitol solid culture medium; after additionally forming a pyrene film, placing in a constant-temperature culture box of 28-32 DEG C to culture for 1-3 weeks; picking up single colonies with degrading rings to be dibbled in a beef extract peptone culture medium containing polycyclic aromatic hydrocarbon respectively; placing in the constant-temperature culture box of 28-32 DEG C to culture for 1-2 weeks; dibbling grown strains in an inorganic salt solid culture medium with a polycyclic aromatic hydrocarbon membrane; and placing in the constant-temperature culture box of 28-32 DEG C to culture for 1-3 weeks so as to grow the strain, namely the degrading strain with the polycyclic aromatic hydrocarbon as a unique carbon source. By using the method, the polycyclic aromatic hydrocarbon degrading bacteria can be quickly screened in a laboratory; and a quick and convenient means is provided for developing a new biological remediation microbial resource.

A disposable high-capacity electronic cigarette cartridge capable of preventing tobacco tar leakage comprises a round-tube-shaped casing (1), an axial smoke tube (3), a cigarette holder cover (2), a tobacco tar isolation rubber gasket (4) and an atomizer assembly, wherein the axial smoke tube (3) is arranged in the inner center of the casing, the cigarette holder cover (2) covers the top of the casing, vent holes (2a) are formed in the cigarette holder cover (2), the tobacco tar isolation rubber gasket (4) is arranged at the middle-upper part in the casing and mounted on the smoke tube in a sleeving manner, and the atomizer assembly is arranged at the lower end of the smoke tube; the tobacco tar isolation rubber gasket divides an inner cavity of the casing into an upper annular cavity (14) for accommodating filtration or flavoring materials and a lower tobacco tar storage cup (13) for storing tobacco tar. No tobacco tar storage cotton is used, bacterium breeding can be effectively avoided, air in the annular tobacco tar storage cup can be completely removed, the problem of tobacco tar leakage is effectively solved, the tobacco tar utilization rate is high, the smoke quantity is large, tobacco tar can be prevented from being sucked into the mouth, and the smoking experience is better.

The invention discloses semi-automatic orchard picking shears. The semi-automatic orchard picking shears comprise a picking rod. A waist belt is installed at the bottom of the picking rod. A handle is installed on the side face of the bottom of the picking rod. The picking rod is a telescopic rod. An anti-slip threaded sleeve is arranged on the surface of the handle. A fixed blade is installed on the right side of the top of the picking rod. A groove is formed in the left side of the top of the picking rod, the two ends of the groove are connected through a guide rail, the surface of the guide rail is sleeved with a linear motor, and thus the linear motor moves in the horizontal direction of the guide rail. A clamping device is connected to the right side face of the linear motor and connected with a movable blade through a fixing block. A storage battery is installed at the bottom of the picking rod and electrically connected with a control switch at the lower end of the handle, and the control switch is electrically connected with the linear motor. The cutting edge of the fixed blade and the cutting edge of the movable blade are both in a sawtooth shape.

The invention discloses an anode stripping solution for a magnesium and magnesium alloy nickel-plating layer and a method for stripping a coating. The stripping solution consists of the following components in percentage by volume: 5 to 10 percent of HF, 2 to 10 percent of fluoride, 5 to 15 percent of complexing agent, 0.1 to 0.5 percent of sodium dodecyl sulfate, and the balance of water. The method comprises the following steps of: preparing the stripping solution for the magnesium and magnesium alloy nickel-plating layer; and stripping the magnesium and magnesium alloy nickel-plating layer. During stripping, a magnesium alloy workpiece with an unqualified coating is used as an anode, and a cathode is a nickel-plating stainless steel plate. The method for stripping the magnesium and magnesium alloy nickel-plating layer by using the anode stripping solution for the magnesium and magnesium alloy nickel-plating layer can trip off the nickel-plating layer by one step at high speed without corrosion on the surface of a matrix; and after stripping, the matrix can be directly subject to electroplating or chemical plating once again. The hydrofluoric acid used in the stripping solution has low concentration, so the pollution to the environment and harm to bodies of operators are reduced.

The invention discloses a composite electroplating technology of high-wear-resisting nano diamond alkene, and belongs to the field of electroplating technologies. The method comprises following steps: firstly, electroplating liquid is prepared, a nickel aminosulfonate stock solution, a boric acid aqueous solution and a nickel chloride aqueous solution are mixed and stirred, and heated to 55 DEG C to 60 DEG C, then, lauryl sodium sulfate, saccharin and 1,4-butynediol are added, and electroplating liquid is prepared; nano diamond alkene is added; the nano diamond alkene is ultrasonically dispersed for 2 h in the electroplating liquid, then, composite electroplating liquid is obtained, and the composite electroplating liquid is slowly added into an electroplating bath in batches; thirdly, electroplating is carried out, a cleaned-up to-be-electroplated workpiece is placed in the composite electroplating liquid at the temperature of 55 DEG C to 60 DEG C, the to-be-electroplated workpiece serves as a negative electrode, a pure nickel plate serves as a positive electrode, the electroplating liquid is stirred, and electroplating current of 1-3A / dm<2> is applied; and after electroplating is finished, and an electroplating part is obtained. The thickness of an electroplating layer is reduced, the requirement for heavy metal is reduced, the pollution to the environment is reduced, and hardness, wear resistance and corrosion resistance of the electroplating layer can be obviously improved.

The invention discloses an automatic paint spraying and drying device. The automatic paint spraying and drying device is characterized in that a first drying chamber, a cleaning chamber, a paint spraying chamber, a second drying chamber, a cooling chamber and a conveying device are included; a suspended guide rail serves as the conveying device, and penetrates the first drying chamber, the cleaning chamber, the paint spraying chamber, the second drying chamber and the cooling chamber in sequence; the first drying chamber and the second drying chamber are each provided with an air heater; an air outlet of the first drying chamber is connected with an air inlet of the second drying chamber, and the air outlet of the first drying chamber and an air outlet of the second drying chamber are each provided with a filter screen; chains connected end to end are arranged in the guide rail, and a plurality of workpiece hanging pieces are hung on the chains; and a motor controls conveying of the guide rail, and a controller is connected with the first drying chamber, the cleaning chamber, the paint spraying chamber, the second drying chamber, the cooling chamber and the conveying device. According to the automatic paint spraying and drying device, due to the fact that the air outlet of the first drying chamber is connected with the air inlet of the second drying chamber, consumption of heat energy is reduced, and energy can be saved.

The invention relates to a road patrol system, and specifically relates to a traffic police robot system. The system comprises a camera system, a human-machine interaction system, a navigation positioning system, a command arm, a remote assistance system, a fault report system and a background management system respectively and individually connected with a control system, the above parts perform bidirectional data transmission with the control system, the control system includes optimal traffic guidance schemes in various conditions, and the control system transmits data stored by robots to the background management system in a wired or wireless connection manner. The permission time is intelligently adjusted, the waiting time and energy waste are reduced, the traffic is smooth, the labor intensity and body harm to traffic police can be reduced, and the defects that according to the conventional traffic light, the permission time cannot be intelligently adjusted according to the traffic flow, meaningless waiting and traffic jam for vehicles are caused, the labor intensity for the traffic police is high, and the body harm to the traffic police is serious are overcome.

The invention discloses a novel woodworking engraving machine. The novel woodworking engraving machine comprises an engraving machine body, a control box, a beam, an engraving handpiece, a mobile shaft, a power dust suction pipe, a controller and an engraver, a mobile rail is installed on the upper portion of the engraving machine body, the control box is installed under the mobile rail, a stop button is arranged on the surface of the control box, an engraving machine working button is installed on the right side of the stop button, a mobile block is installed on the left side of the control box, the beam is installed on the right side of the mobile block, the mobile shaft is installed under the beam, the engraving handpiece is installed on the right side of the mobile shaft, a silencer isinstalled on the left side of the engraving handpiece, and the powerful dust suction pipe is installed on the right side of the mobile shaft. According to the novel woodworking engraving machine, through the silencer installed beside of the engraving handpiece, noise generated during work of the engraving handpiece of the engraving machine can be eliminated, so that noise pollution is reduced, the equipment functionality is improved, and the production requirements of people are met.

The invention discloses a method for preparing ceramic through 3D printing forming based on a modified Na2SiO3 binder. The method comprises the following steps: S1) powder treatment: uniformly mixinga curing agent with oxide ceramic powder; s2) 3D printing of a ceramic product: by using a Na2SiO3 inorganic binder, with the oxide ceramic mixed powder in the step S1 as a matrix, performing printingand sand removal to obtain a 3D printed ceramic green body; and S3) sintering: carrying out heat preservation on the 3D printing ceramic green body in the step S2) at the temperature of 1580 DEG C orabove, and cooling the sintered green body to obtain a finished product. According to the invention, a siloxane (Si-O-Si) three-dimensional network structure is formed in the 3D printing process by adopting the sodium silicate inorganic binder and the curing agent, and the structure can be further reinforced through dehydration and polycondensation in the high-temperature sintering process, so that the compressive strength of the 3D printing ceramic product is greatly improved.

The invention relates to a preparation method of tylosin phosphate or a tartrate crystal. The method comprises the steps that tylosin tartrate or phosphate powder is sufficiently dissolved in ethyl acetate; butyl acetate is slowly and dropwise added in a stirring state and at 0-5 DEG C, and is sufficiently mixed; the stirring state is kept for 1-2h after the adding is completed; centrifugal separation is performed; and the obtained crystal is subjected to drip washing by cold butyl acetate, and then subjected to vacuum drying until the drying loss is less than 1%. According to the preparation method, tylosin phosphate or tartrate is prepared into crystalline particles, and the crystalline particles replace powder; the specific gravity of the crystalline particles is greater, so that dust pollution is avoided in packaging and using processes; the particles are added to animal drinking water and can sink into the water bottom easily; the particles are better in dispersity, faster in dissolution rate and higher in content, can be directly added to animal feed or the animal drinking water; a solvent is very easy to recover; and the preparation method has a certain application prospect in a production process.

The invention discloses a water-blown warm-mix flame-retardant asphalt mixture and a preparation method thereof. According to the invention, through comprehensive utilization of a water-blown asphalt warm-mixing technology and an asphalt flame-retardation technology, construction temperature of an asphalt pavement is effectively reduced, the safety factor of a tunnel asphalt pavement is increased, and the advantages of energy conservation, emission reduction, greenness, environmental protection, reduction in construction cost, improvement of warm-mixing construction technology for tunnel flame-retardant asphalt pavements and the like are obtained. The invention also provides a design method for the water-blown warm-mix flame-retardant asphalt mixture. The method utilizes the concept of equivalent design of basic mix ratios and technique indexes to improve the traditional design method for the warm-mix flame-retardant asphalt mixture, provides bases for the design of the water-blown warm-mix flame-retardant asphalt mixture and fills a gap in the design method for the water-blown warm-mixed flame-retardant asphalt mixture.

The invention discloses a foundation treatment pile and a pile splicing method thereof. The foundation treatment pile comprises a pile body formed by sequentially connecting precast single piles, a connecting head is arranged at one end of each precast single pile, each connecting head comprises a rod body axially arranged and an expansion head at the external end of the rod body, and the diameter of the expansion head is larger than that of the rod body; an end plate is fixed at the other end of each precast single pile, connecting holes matched with the connecting heads are formed in the end plates, the connecting holes comprise communicated rib inserting holes and rib sliding holes adopting long-strip-shaped structures, the diameters of the rib inserting holes are larger than the diameters of the expansion heads, and the widths of the rib sliding holes are larger than the diameters of the rod bodies and smaller than the diameters of the expansion heads; by adopting the mechanical connection way that the connecting heads are matched with the connecting holes, on-site quick pile splicing is achieved, and the foundation treatment pile provided by the invention has the advantages that the structure is simple, the construction efficiency is high, the cost is low, and the load bearing capability of the pile is strong.

The invention discloses a quick and low-toxic mosquito paraffin section manufacturing method and belongs to the technical field of microscopic tissue section. The method includes the steps of artificially feeding mosquitoes, preparing and fixing materials, dehydrating and transparentizing the materials, performing paraffin infiltration and embedding, cutting the materials into sections, and dyeing and sealing the sections. In the paraffin section manufacturing method, the mosquitoes are processed into the sections after being fed, so that intestines and esophagus of the mosquitoes can be observed intuitively. Before fixation, feet and wings of the mosquitoes are removed, so that on one hand, the mosquitoes are convenient to fix, and on the other hand, the follow-up paraffin infiltration process is accelerated and uniformity of the paraffin infiltration is ensured. Meanwhile, the fixing and paraffin infiltration processes in the method are carried out under negative pressure, so that infiltration of a fixing liquid and the paraffin is improved, thereby ensuring successful section cutting. In addition, the method reduces section preparation time at certain degree, and improves work efficiency. Finally, the method is free of xylene, so that the body damage on technical staffs in pathology department and environment pollution are reduced greatly.

The invention provides an automatic coating machine (100) which comprises a frame (10), a first drive device (301), a transmission device (203) and a second drive device (302), wherein the frame (10) comprises a top frame (101), a bottom frame (102) and a vertical frame (103); the first drive device (301) and the transmission device (203) are arranged on the bottom frame (102); a reversing mechanism (204) and a baking tray (201) are sequentially arranged at the top of the transmission device (203); the second drive device (302) is arranged on the top frame (101) and can drive a vertically-arranged guide part (304) to transversely move along a first guide rail (305) in the top frame (101); and a spray gun (306) is arranged at the end of the guide part (304). Through the structure, the thickness of a coating layer can be accurately controlled, the coating quality is improved, the labor intensity of operators is eased, the harm to the health of the operators is reduced, and the production efficiency is improved.

The invention relates to a preparation method of crystalline particles of acetyl isovaleryl tylosin salt. The method comprises the steps of sufficiently dissolving powder of the acetyl isovaleryl tylosin salt in ethyl acetate, slowly and dropwise adding isobutanol for mixing in a stirring state and at 0-2 DEG C, standing after the mixing, conducting solid-liquid separation, eluting, and conducting vacuum drying. According to the preparation method, the acetyl isovaleryl tylosin salt is prepared into the crystalline particles to replace powder; the specific gravity of the crystalline particles is greater, so that dust pollution is avoided in packaging and using processes; the crystalline particles are added to animal drinking water to sink into the water bottom, are better in dispersity, higher in dissolving speed and higher in content, and can be directly added to animal feed or the animal drinking water; a used organic solvent can be recovered and recycled; and the preparation method has a certain application prospect.

The invention discloses a multifunctional electric tool cabinet, and relates to the field of electric tools. The multifunctional electric tool cabinet comprises a working platform connected with a cabinet body and a cabinet body extending mechanism, and installing grooves and installing holes are formed in the working platform; the cabinet body is internally provided with an electric control chamber, a working chamber and drawers, manual tools, electric tools, pneumatic tools and motors are fixedly stored in the drawers, the electric control chamber is connected with the motors, the handhold electric tools, a dust collector chamber and an air compressor chamber, the dust collector chamber and the air compressor chamber are formed in the lower left side of the back face of the cabinet body, the working chamber is connected with the dust collector chamber, the air compressor chamber is connected with the pneumatic tools, an air pipe storing chamber is formed in the right side in the cabinet body, and universal wheels are arranged at the bottom of the cabinet body. The mechanical tools, the pneumatic tools, the electric tools and a dust removal device are organically integrated, the problem that being used in a dispersed mode, the various tools occupy working space and storing space is solved, resource waste caused by individual use of the tools is avoided, and dust inhalation and the like are avoided.

The invention discloses a drying device used for wood box paint spraying and having the dust removal function. The drying device is characterized by comprising a dust removal chamber, a paint spraying chamber, a drying chamber, a cooling chamber and a conveying device; the conveying device is a guide rail which sequentially penetrates the dust removal chamber, the paint spraying chamber, the drying chamber and the cooling chamber; the dust removal chamber comprises an air compressor and a dust suction air cover connected with the air compressor; the cooling chamber is connected with a waste gas purifying module; and a controller is connected with the dust removal chamber, the paint spraying chamber, the drying chamber, the cooling chamber, a waste gas purifying module and the conveying device. According to the drying device used for wood box paint spraying and having the dust removal function, dust, suspended small particles and other pollutants in air can be adsorbed to the surface of a wood box where paint is to be sprayed and thus become factors affecting the quality of the wood box in the post-processing process; and in order to improve product paint spraying quality, it is specially needed to perform dust removal processing on the wood box where paint is to be sprayed before paint spraying, and the dust removal effect is obvious.