233results about How to "Not easy to splash" patented technology

The invention discloses a turbidity sensor and a water body turbidity on-line detection method. The turbidity sensor is of a special structure; the phenomena that the turbidity detection accuracy is influenced by attaching pollutants in a water body on a transmitting lens is possibly avoided; the condensation water mist on the transmitting lens is prevented by virtue of heating so as to eliminate the influence of the mist of the transmitting lens on detection; scattered light of the water body is acquired by an annular photovoltaic conversion device in 360 degrees, so that the effective received quantity of the scattered light is increased to the maximum extent; and the signal of an operation amplifying device is not needed to be amplified to guarantee the stability and reliability of the turbidity sensor. By utilizing the water body turbidity on-line detection method of the turbidity sensor, output voltage values, acquired for many times of a photovoltaic conversion device, are used and a processing mode that the average value is taken is adopted; modes of heating and light control are combined during the detection process every time, so that the detection error caused by the mist of the transmitting lens and the unstable light sources is eliminated, and the turbidity detection accuracy is further guaranteed.

The invention provides an experimental device for simulating corrosion in a crude oil pipeline. The experimental device comprises a temperature-control water bath tank, a corrosion experimental tank, a condensate water tank, a condensate water tube, a water storage tank, an oil conveying tube and an oil storage tank, wherein the temperature-control water bath tank and the corrosion experimental tank are of structures without top covers; the corrosion experimental tank is positioned inside the temperature-control water bath tank; the upper part, which is positioned in the temperature-control water bath tank and the corrosion experimental tank, of the condensate water tank forms the top cover; a circulating loop is formed between the condensate water tank and the water storage tank through the condensate water tube, and a circulating water pump is arranged on the condensate water tube; a circulating loop is formed between the corrosion experimental tank and the oil storage tank through the oil conveying tube, and a circulating oil conveying pump is arranged on the oil conveying tube; a storage rack is arranged at the inner lower part of the tank body of the corrosion experimental tank, and a plurality of sheet suspenders are arranged on the storage rack; a plurality of first corrosion clamping slots are formed in the bottom of the condensate water tank; corrosion test pieces which are matched are placed in the first corrosion clamping slots and the sheet suspenders. The experimental device is simple in structure, convenient to operate and strong in practicability, and the corrosion state in the pipeline can be evaluated in most of laboratories.

The invention belongs to the technical field of electronic component processing equipment, and particularly relates to a diluting device for electronic component dispensing glue. The invention provides the diluting device for electronic component dispensing glue, wherein a barrel body can be fixed in a glue dilution process, the glue is not easy to splash, waste is avoided, the cost is reduced, the dilution effect is good and the device is simple to operate. The diluting device for the electronic component dispensing glue comprises a bottom plate, a side plate, an up-down moving mechanism, a moving plate, a rotating mechanism, a cover plate, a bearing block, a rotating shaft, stirring blades, a first fixing block, a second fixing block, a placing plate, a pulley and the barrel body, wherein the side plate is vertically welded on the left side of the top of the bottom plate, a mounting groove is vertically formed in the side plate, and the up-down moving mechanism is arranged in the mounting groove. According to the invention, a clamping device is adopted for fixing the barrel body in the glue dilution process, the cover plate is matched with the barrel body, so that the glue is not easy to splash during dilution, waste is avoided, and the cost is reduced.

The invention discloses a full-automatic rocking-type intelligent shower device, which comprises a shower main body, a shower system, a temperature control system and an operating platform, wherein the shower main body comprises an upper cover shell and a bottom cover shell; a shower spraying head is movably arranged on a shower spraying pipe; the shower spraying head is connected to a shower control device and a water tank; the shower control device is in charge of controlling rocking and shower intensity of the shower spraying head; a shower nozzle is arranged on the shower spraying head anda disinfecting nozzle is arranged on a disinfecting spraying head; a cleaning shower device communicates with the shower spraying pipe; a disinfecting device communicates with the disinfecting spraying pipe; a filter, a pressure reducing valve and a temperature-control mixing valve are mutually connected via a water pipe; the temperature-control mixing valve is designed as a hand-held shower modeand an automatic shower mode; and the operating platform comprises an observing window and a nursing window. According to a rocking-type shower and net-type stretcher-form shower system, the whole process from cleaning to skin moistening is under automatic control of a machine, so that burden of a nursing person is greatly reduced; and a user can take a rapid and smooth shower and can enjoy a comfortable working environment and a comfortable shower time.

The invention relates to a food sample preprocessing instrument for food safety testing and a processing method thereof. The food sample preprocessing instrument comprises lifting motors, guide mechanisms, a multistage drive unit, a servo motor, a stirring motor, stirring rods, a blade and a heating trough. The multistage drive unit, the servo motor, the stirring motor, the stirring rods and the blade effectively and automatically extend into or out of centrifugal tubes by arranging the first lifting motor and the first guide mechanism, automatic ascending and descending of the heating trough are achieved by arranging the second lifting motor and the second guide mechanism, vertical movements of the units are more precise by arranging the first guide mechanism and the second guide mechanism, the stirring rods and the blade rapidly stir and smash the raw material in the centrifugal tubes through the stirring motor and the multistage drive unit, and the centrifugal tubes do not easily disengage from a rotating disc during centrifugation by arranging supporting blocks and centrifugal tube sleeves. The liquid in the centrifugal tubes is not easily splashed during centrifugation by arranging rod sleeves. The food sample preprocessing instrument replaces an existing manual operation method, the human resource cost is saved, and the testing and processing requirements are met.

The invention relates to a 3D glass pad printing machine. The 3D glass pad printing machine directly contacts with a marking area of 3D glass and performs ink printing through a mode of glue head padprinting, and comprises a machine frame and a glue head pad printing device, an ink conveying device and a solidifying device which are installed on the machine frame. The glue head pad printing device is used for performing the ink printing on the marking area of the 3D glass. The ink conveying device has a conveying route, and is capable of enabling an ink cup to be moved along the conveying route. The solidifying device is capable of solidifying ink applied on the glue head pad printing device in a heating mode. The invention further provides a method for the 3D glass pad printing. The 3D glass pad printing machine is capable of, through the glue head pad printing device, the ink conveying device, the solidifying device and a cleaning ink-removing device, performing the ink printing onthe 3D glass; performing the gapless combined ink printing on the 3D glass in a sticking mode through using the glue head pad printing device, enabling the ink printed on the 3D glass not to be easilyseparated, improving printing quality, and preventing the ink from being spattered.

The invention discloses a compression-type fixing cutting mechanism for automobile steel plates, comprising a frame. A protective cover is fixed to the middle top of a top plate of the frame, the topplate of the frame right below a top plate of the protective cover is provided with a center through groove, a lower fixing plate is positioned in the center through groove, the sidewall of the lowerfixing plate is fixedly welded to the inner wall of the center through groove, a cutting head of a plasma cutting body is passed through the bottom of a horizontal connection plate and faces the middle, provided with a waste discharge through slot, of the lower fixing plate, an auxiliary compression cylinder is fixed to each of the left and right tops of the top plate of the protective cover, pushrods of the auxiliary compression cylinders are passed through the top plate of the protective cover and fixedly provided with an upper compression plate, the bottom of a steel plate under cutting isattracted to the top of an electromagnetic plate, and the top of the steel plate under cutting is abutted to the bottom of the upper compression plate. The compression-type fixing cutting mechanism for automobile steel plates may immobile a steel plate under cutting and cut the steel plate under cutting positioned in the protective cover, cuttings produced by cutting rarely spatter, the effect isgood, and the safety is good.

The polishing equipment comprises an equipment main body, wherein the outer surface of the equipment main body is connected with an observation window through a hinge, one side of the top of the equipment main body is respectively provided with a fan and a dust collection box, the air outlet end of the fan is connected with a dust extraction pipe extending to the inside of the equipment main body,and the aluminum section works in a sealed environment during polishing. debris and dust are not easy to splash When working, the fan can draw dust into the dust collection box, the illuminating lampilluminates the polishing component, workers can clearly check the polishing condition through the observation window, debris with larger particles falls into the dust collection groove, and the workers regularly clean the dust collection groove and the dust collection box, so that the cleaning times of the workers are reduced, the dust removal effect is improved, and the damage of the debris tothe eyes of the workers can be prevented.

The invention relates to a crushing device and particularly relates to a novel soil crushing device. The novel soil crushing device comprises a wind wheel, a motion conversion mechanism, a crushing mechanism and a support mechanism, wherein the wind wheel is capable of converting wind energy into mechanical energy, the motion conversion mechanism comprises a vertical rotating shaft, a first rotating disc, a second rotating disc, a horizontal rotating shaft and the like; the crushing mechanism comprises a first pressure rod, a second pressure rod and a hammer head; the support mechanism comprises a support frame, a support seat, a soil cylinder, a guide support seat and the like; and the wind wheel is blown by wind to drive the vertical rotating shaft to rotate to drive the first rotating disc to rotate, the first rotating disc rotates to stir a second stirring rod through a first stirring rod to drive the second rotating disc to rotate, and the second rotating disc rotates to drive thesecond pressure rod to move up and down along the guide support seat through the first pressure rod so as to crush soil. The novel soil crushing device has the beneficial effects that the labor strength of an analyst can be reduced, the environmental pollution can be reduced, the harm caused to a human body can be reduced, and the energy conservation and emission reduction effects can be achieved.

The invention discloses a pet loo, relates to the technical field of pet supplies, and solves the technical problem that a pet loo in the prior art has low utilization rate for pet excrement treatmentconsumables and is not intelligent. The pet loo comprises a roller assembly and a transmission mechanism, wherein the roller assembly is internally provided with a sieve plate, the sieve plate is provided with meshes with the sizes greater than those of the excrement treatment consumables and less than that of pet excrement, and the transmission mechanism drives the roller assembly to rotate forward or backward, so that the roller assembly controls the discharge of the pet excrement or the excrement treatment consumables through the filtration action of the meshes separately. The pet loo hasthe advantages that after a pet uses the loo, the remaining excrement treatment consumables can continue to be stored in the roller assembly for standby application, thereby increasing the utilizationrate of the excrement treatment consumables, and the transmission mechanism drives the roller assembly to rotate, thereby improving the automation of the pet excrement treatment process.

The invention discloses a red copper crucible welding method, and belongs to the technical field of red copper crucible welding. Welding joints are high in quality, air flow is protected to be stable, surrounding air can be effectively isolated, a weld pool is stable during welding, flashing is little, air holes are not generated easily, argon arc welding heat is concentrated, temperature is high, welding speed is high, and arcs are stable. When a red copper crucible is welded in an argon arc welding mode, no slag or splashing is generated, the weld pool and the electric arcs are good in resolvability, and operation is convenient.

The invention discloses a solar heat collecting cake, which comprises a cake body and heat storage materials in the cake body. A transparent cover plate is arranged on the upper surface of the cake body. A heat absorbing plate is arranged in the cake body and is in contact with the heat storage materials. The invention takes solar energy as source energy, rays are transmitted to the heat absorbing plate through a transparent plate, the heat absorbing plate converts optical energy into heat energy and the heat energy is transferred to the heat storage materials through heat transfer medium. The cake body can be made of hard material, the heat storage materials can be solid heat storage materials, and the heat storage materials are enclosed by hard cake materials. The structure and the materials are not apt to cause explosion. Even though explosion occurs, the external hard materials enclosing the heat storage materials are just cracked, the internal heat storage materials are not spilt disorderly and the safety of other people is not endangered. The invention has the advantages that the natural resource is fully utilized, the electric energy and the hydraulic energy are saved, the occurrence probability of serious accidents is reduced, and the safety factor and the thermal efficiency are improved.

The invention relates to a crushing device, in particular to a waste lighting lamp crushing device for tunnel construction and aims to achieve the technical effect of providing the waste lighting lampcrushing device for tunnel construction, wherein time is saved, operating staff are not prone to injury in the crushing process, and lamp bulb fragments are not prone to splashing in the crushing process. The waste lighting lamp crushing device for tunnel construction provided by the invention comprises a bottom plate, a supporting plate, a top plate, a feeding hopper and the like; and the left of the top of the bottom plate is provided with the supporting plate, the top of the supporting plate is horizontally provided with the top plate, the rear side of the top of the top plate is providedwith the feeding hopper, the lower portion of the feeding hopper is arranged obliquely, the right of the top plate is provided with an opening, the rear side in the opening is provided with a drive device, and the drive device is located on the front side of the feeding hopper. The crushing device is driven by the drive device to crush lamp bulbs, a crushing basket is fixed through a fixing device, and thus the effects that time is saved, the operating staff are not prone to injury in the crushing process, and the lamp bulb fragments are not prone to splashing in the crushing process are achieved.

A soil pollution remediation and soil fertility improvement method based on smash-ridging tillage comprises the steps that (1) deep ditches are dug in the periphery of a cultivated land to form a drainage system, and the requirement for drainage and irrigation is met; (2) smash-ridging tillageof the cultivated land: the first smash-ridging tillage depth is 40 cm or above, the rice field depth is 25 cm or above, green manure is sown every time after smash-ridging tillage is conducted, and smash-ridging tillage is conducted every 2-3 months in combination with green manure returning and dressing; (3) dry and wet alternate moisture management is carried out according to weather conditions such as rainy seasons after each time of smash-ridging tillage, so that harmful substances such as residual heavy metals and pesticides in the soil move downwards to the bottom layer from the upper layer of the plowing layer, full-field water storage is carried out by utilizing rain in the rainy seasons,and the water is quickly discharged outwards through a drainage system; and (4) ridge smashing and green manure planting are carried out alternately 2-3 times in the year, and crops can be planted after the second year. According to the method, low-cost soil pollution remediation and soil fertility fertilization are achieved through smash-ridging tillage.

The invention relates to an anticorrosive vacuumizer pollution-discharge spraying-purification operation-observing / monitoring vacuum furnace, belonging to the technical field of vacuum furnaces. The vacuum furnace comprises a cooling chamber, a heating chamber and separation walls, wherein each separation wall is provided with a heat insulation door; the cooling chamber comprises an air quenching chamber and an oil quenching chamber, the upper part of the air quenching chamber is provided with an air charging quick-cooling mechanism, and the lower part of the oil quenching chamber is provided with an oil quenching oil tank provided with a stirrer; the heating chamber is provided with a gas convection circulation mechanism; the heating chamber and each heat insulation door are respectively sequentially provided with a heat insulation layer, a vacuum layer and a stainless steel shell from inside to outside; and the vacuum furnace also comprises an operation-monitoring system, a dust collector and an exhaust purifier. The vacuum furnace has the advantages of safe oil quenching, uniform material heating, favorable heat insulation effect and high product quality, can observe the machining condition, can prevent the vacuumizer from being corroded, and is environment-friendly in evacuation.

The invention discloses scaling powderfor high-temperature solder paste and a preparation method of the scaling powder. The scaling powder is prepared from the raw materials in percentage by weight: 5.0-10.0% of an active agent, 0.1-1.0% of a high-temperature antioxidant, 30.0-40.0% of a dissolvant, 3.0-10.0% of a thixotropic agent, and the balance of a film forming agent. The active agent is dotriacontanedioic acid and one or more of glutaric acid, adipic acid, azelaic acid, sebacic acid, stearic acid, and 2,3-dibromosuccinic acid. The high-temperature antioxidant is PW-9225. The dissolvant is di-n-decyl ether and one or two of glycerol and n-octyl ether. The boiling point of the dissolvant is greater than 280DEG C. The thixotropic agent is a mixture of castor oil and 6650R. The film forming agent is a mixture of KE-604 rosin and polymerized rosin.The scaling powder is high in activity, good in weldability and stability and not liable to splash, oxidation can be avoided, blackening around the welding point can be avoided, and the scaling powder is suitable for high-temperature solder paste products with the temperature above 280DEG C.

The invention discloses a bunchy fine water outlet shower head structure which comprises a main body, a water outlet faceplate, a bubbler plate mounted in the middle of the water outlet faceplate and a switching device mounted inside the main body and used for controlling the water outlet situation of the water outlet faceplate; a plurality of water outlet units are also distributed at the periphery of the water outlet faceplate; each of the water outlet units comprises a plurality of spray holes. As each of the water outlet units comprises the plurality of spray holes, fine water flow sprayed by the plurality of spray holes forms a bunchy water column; the bunchy water column comprises a plurality of fine water columns, so that water is difficult to splash; due to relatively small aperture of each of the spray holes, the water intensity of each of the fine water columns is stronger, the water-saving effect is good, and the adaptability to a low-pressure environment can be realized.

The invention relates to a stirring device, in particular to a concrete stirring device used for hydraulic engineering. According to the concrete stirring device used for hydraulic engineering, the concrete stirring speed is high, and concrete is unlikely to splash when stirred. The concrete stirring device used for hydraulic engineering comprises a bottom plate, a supporting plate, a top plate, afirst bearing seat, a first motor, an L-shaped rod, a second bearing seat, a first rotary shaft and the like. The supporting plate is mounted on the left side of the top of the bottom plate. The topplate is mounted at the top of the supporting plate. The first bearing seat is mounted on the right side of the top plate in an embedded mode. The first motor is mounted on the right side of the top of the top plate. According to the concrete stirring device used for hydraulic engineering, stirring blades are driven by the first motor to stir concrete, a stirring box can be driven by a cam to continuously move leftwards and rightwards, and thus, the concrete stirring efficiency can be improved; and a scraping plate is arranged so that concrete can be easily pushed out through the scraping plate after being stirred, and the effects that the concrete stirring speed is high and the concrete is unlikely to splash when stirred are achieved.

The invention discloses a metering device. The metering device comprises a stocker and weighing devices, and further comprises a conveying machine arranged below the stocker. The conveying machine is used for driving materials to be discharged, and when the reduction value of the weight, weighed by the weighing devices, of materials on the convening machine is equal to the preset weight value, discharging is stopped. When the metering device is applied, discharging is even, impacting is small, adjusting and controlling of discharging are convenient, and the accuracy of the metering device is increased. Materials are conveyed and discharged through the conveying machine, impacting of the following device is small, on one hand, abrasion of the following device is not prone to being caused, and the service life of the following device can be prolonged; on the other hand, splashdown of materials is not prone to occurring during discharging, the influence on the environment is reduced while the metering accuracy is further increased, and the labor intensity of cleaning persons is reduced. Multiple materials can be discharged at the same time, and production efficiency is effectively improved. The invention further discloses a feeding system comprising the metering device and a metering method.

The invention discloses a test block temperature-controllable press which comprises a bearing worktable, a force measuring device and a lifting and regulating device, wherein a liquid cavity is formedin the upper surface of the bearing worktable, is provided with a heater and a temperature sensor and is used for controlling the liquid temperature; the force measuring device comprises a pressure part, and the pressure part can be pressed into the liquid cavity; the lifting and regulating device is used for regulating the height of the bearing workbench. The liquid cavity is provided with at least one partition wall, and a liquid area partitioned by each partition wall is respectively provided with the heater and the temperature sensor and is used for controlling the temperature of the partitioned liquid area. The test block temperature-controllable press disclosed by the invention has the benefits that through the lifting and regulating device, the detection on samples in different sizes can be effectively ensured; meanwhile, the liquid cavity as well as liquid full of the liquid cavity can effectively ensure that the sample is hard to splash when being broken, so that the safety of test personnel is ensured; meanwhile, the partition wall arranged in the liquid cavity can ensure the test environment of different positions and temperatures of samples.

The invention relates to a jaw crusher protection device, in particular to a high-safety jaw crusher protection device for mineral exploiting. According to the technical aim of the high-safety jaw crusher protection device for mineral exploiting, chippings are not like to splash everywhere, workers are not like to injure, the safety is high, and resources are saved. In order to achieve the above technical aims, the high-safety jaw crusher protection device for mineral exploiting comprises a base plate, supporting rods, a collecting frame, a transverse plate, a fixed jaw plate, a movable jaw plate, a first motor, a sliding rail shaped like the Arabic numeral seven, a conveying device, a support rod, a large belt wheel, an eccentric shaft and the like; and the supporting rods are welded on the top of the base plate in a bilateral symmetry manner, and the collecting frame is welded to the top of the portion, between the two supporting rods, of the base. By means of the high-safety jaw crusher protection device for mineral exploiting, the eccentric shaft drives the movable jaw plate to swing left and right, and mineral is crushed through the movable jaw plate.

The invention discloses drilling equipment for machining the metal parts of cleaning gun head. The drilling equipment comprises a base and a working table, a drainage groove is formed in the middle ofthe interior of the base, lifting rods are arranged in the recovery grooves, moving plates are arranged below sliding rods, through holes are formed in the left side and the right side of the movingplate, sliding rods penetrates through the through holes, a second motor is arranged in the middle of the lower surface of the moving plate, a drill bit is arranged on the shaft portion of the secondmotor, the working table is arranged in the middle of the upper end of the base. The common drilling equipment is quite large in noise, scrap irons generated during drilling are very dangerous, so that the water spraying gun is designed in order to prevent the situation in the drilling process, the water spraying gun is rotationally connected with the fixing frame, the angle of the water sprayinggun can be adjusted randomly according to needs, the utilization rate of the water spraying gun is maximized, and the design of the water spraying gun not only can cool the drill bit in real time, butalso can achieve the noise reduction function.

The invention provides a full-automatic wheaten food machine, which comprises a machine base, a motor and a control unit are arranged in the machine base. A stirring assembly and an extrusion assemblyare arranged on the machine base. The stirring assembly comprises a stirring cup, a stirrer is arranged in the stirring cup; an upper cover covers the upper port of the stirring cup; the extrusion assembly comprises a dough extrusion cylinder and a dough extrusion screw rod; a die head assembly is arranged at the head end of the dough extrusion cylinder; a dough inlet communicated with the stirring cup is formed in the dough extrusion cylinder; wherein the wheaten food machine further comprises a water adding unit; the water adding unit comprises a water tank installed on the machine base, awater pump is arranged in the machine base; a water conveying pipeline is connected with the water tank and the water pump; the stirring cup is provided with a water inlet, the water inlet is communicated with the water tank through the water conveying pipeline, the water inlet is located in one side of the machine base, the projections of the water inlet and the dough inlet in a horizontal planedo not coincide, the ratio of flour to water is accurate and controllable, user operation is easy, and the dough making success rate is high.

The invention relates to a water particle generating device. The water particle generating device comprises a condensation rod, a refrigerator, a discharging electrode group and a high-voltage power supply; water in air around the condensation rod is condensed on the condensation rod; the refrigerator makes contact with the condensation rod and is used for cooling the condensation rod; the discharging electrode group comprises a first electrode and a second electrode which cooperate with each other, and the first electrode and the second electrode are transversely arranged and located on the two sides of the condensation rod correspondingly; and the high-voltage power supply is used for exerting high voltage to the discharging electrode group to enable high-voltage corona to be generated between the first electrode and the second electrode, and the discharging electrode group is used for exerting the high-voltage corona to the condensation rod to enable condensate water attached to thecondensation rod to be excited by the high-voltage corona to generate atomized water particles. According to the water particle generating device, the atomization effect is good, discharging parts are installed steadily, and electrical connection is reliable.

The invention provides a grinding device for suspension production and a grinding method thereof, and belongs to the technical field of grinding equipment. The grinding device for suspension production comprises a crushing box, a solid crushing cover, a feeding hopper and a second rotating rod; a discharging opening is formed in the bottom of the crushing box; the solid crushing cover is fixed to the top wall of the crushing box, a plurality of inner crushing blocks and outer crushing blocks which are evenly distributed are fixed to the bottom of the solid crushing cover, and the outer crushing blocks are all located on the inner sides of the inner crushing blocks; the feeding hopper is fixed to the top of the crushing box; and the second rotating rod is rotationally connected to the top of the crushing box, and the lower end of the second rotating rod movably penetrates through the top wall of the crushing box and the bottom of the solid crushing cover and extends downwards. According to the device, traditional Chinese medicine particles are crushed through centrifugal force and then ground, so that the traditional Chinese medicine particles become small, the effect is better when the traditional Chinese medicine particles are ground through a grinding mechanism, large particles are not likely to be generated, and therefore the quality of a prepared suspension is higher.

The invention discloses a dumping type melting furnace, which comprises a furnace body and an electric controller, wherein a heater is arranged in the furnace body; the furnace body is controlled by the electric controller; one side of the electric controller is provided with a bracket; the upper end of the bracket is provided with a rotating shaft, and is provided with a rotary handle on one side of the rotating shaft in an extension manner; a front section of the bracket is provided with a sliding rail convenient for a transport cart to go through; the transport cart is provided with a loading container; and a circulating water cooling machine is connected between the furnace body and the electric controller. The furnace body is mounted through arranging the rotating shaft on the bracket; the furnace body is enabled to rotatablely dump molten steel into the loading container quickly; moreover, high-temperature molten steel is enabled not to be liable to splash when being dumped through arranging a discharge groove; and moreover, a worker is convenient for carrying out dumping operation on the furnace body through arranging the rotary handle and a pushing hand. The dumping type melting furnace is simple in structure, is higher in the melting efficiency of steel, meanwhile, is lower in cost, and is applicable to medium and small enterprises.

The invention relates to a solder wire soldering flux capable of reducing splashing and a preparation method thereof. The soldering flux is composed of the following components in percentage by weightof 1.0-10.0% of compound organic acid, 0.2-5.0% of compound activator, 0.1-1.0% of compound defoamer, 2.0-10.0% of compound solvent, 0.1-1.0% of antioxidant, 0.1-1.0% of corrosion inhibitor and the balance of compound rosin. The preparation method comprises the following steps of heating, stirring and melting the compound rosin, adding the compound organic acid and the low-melting-point indissolvable activator, adding the solution dissolved with the high-melting-point dissolvable activator, the antioxidant and the corrosion inhibitor, finally adding the compound defoamer, performing continuous stirring at the constant temperature of 145-165 DEG C, performing full dissolving, and performing uniform mixing, thereby obtaining the soldering flux. The soldering flux is high in activity, easy to tin during welding, low in corrosion, small in residue and high in insulation resistance, the splashing number and the splashing distance of the soldering flux and tin beads in the welding process of a lead-free tin wire can be greatly reduced, the RoHS instruction is met, and the reliability of electronic and electrical products after welding is guaranteed.

The invention relates to a method for producing coating particle magnesium, which is characterized by comprising the following steps of: placing metal magnesium particles with particle size of 24-100 meshes and coating powder with particle size of 200-500 meshes according to proportion into a high-speed rotating passivation pot with a rotating speed of 200-300 r / min; stirring for 3-5min, then sifting; and removing plastering floats to obtain a finished product, wherein the proportion of parts by weight of the added metal magnesium particles to the coating powder is 100: (5-10). The method is used for producing the coating particle magnesium of 24-100 meshes without losing magnesium activity and releasing hydrogen, and has the characteristics of simple process, high safety, stable product quality and lower preparation cost.

The invention discloses a packaging device for medical intermediate processing. The packaging device for medical intermediate processing comprises a base, an adjusting mechanism and a vibration mechanism. Rectangular barrels distributed in a rectangular shape are fixedly connected to the outer wall of the top of the base, rectangular rods are connected to the inner walls of the rectangular barrelsin a sliding manner, and a packaging table is fixedly connected to one ends of the rectangular rods. A first mounting groove is formed in the outer wall of the top of the packaging table, a gravity sensor is arranged on the inner wall of the bottom of the first mounting groove, a weighing plate is arranged on the outer wall of the top of the gravity sensor, and supporting rods are fixedly connected to the two sides of the outer wall of the top of the base. According to the packaging device for medical intermediate processing, by arranging an adjusting mechanism, the height of the packaging table can be adjusted, in this way, during material receiving, the height of a discharging pipe and the height of a packaging bag opening can be adjusted, then materials are not likely to be splashed down, the packaging efficiency is improved, the discharging pipe can vibrate through the vibration mechanism, and therefore the materials can be prevented from blocking the discharging pipe.

The invention provides a novel vegetable planting basin which is reasonable in design and attractive in appearance. The novel vegetable planting basin comprises a basin body and is characterized in that a top cover is arranged at the top of the basin body, plant planting holes are formed in the top cover, four nutritive water adding holes are formed in the side of the basin body, stop sheets are arranged on the surfaces of the nutritive water adding holes and connected with the basin body through rotary devices, N seepage holes are formed in the surface of the bottom of the basin body, N is larger than or equal to 3 and smaller than or equal to 6, the lower portion of the basin body is cushioned through a tray, a base is arranged below the tray, a water tank is arranged beside the base, the water tank and the tray are connected through a guide pipe, and handles are arranged on the two sides of the basin body. The novel vegetable planting basin is simple in structure, convenient to use, capable of adding nutrients according to the requirements of vegetables, convenient to manage and suitable for being widely applied and popularized; the tray is designed, so that liquid is not likely to be splashed to the ground; the movable top cover is arranged on the basin body so as to be detached conveniently to replace soil; the novel vegetable planting basin is reasonable in structure and novel in design.