19results about How to "Easy to overflow" patented technology

The utility model relates to a heat-conducting consumable, in particular to heat-conducting silicone grease which comprises a body, the body is provided with an upper high filler layer and a lower high filler layer, the upper high filler layer is in a square shape, the inner side of the upper high filler layer is filled with a low filler layer, a containing groove is formed in the bottom of the lower high filler layer, and the lower high filler layer is filled with a heat-conducting material. The containing groove is filled with a protective filler layer, a graphene sheet is arranged on the inner side of the protective filler layer, the graphene sheet is attached to the bottom of a low filler layer, and the low filler layer and the protective filler layer are the same in component. The heat-conducting silicone grease has the advantages of being reasonable in design and high in heat-conducting performance, heat in electronic components can be more efficiently conducted out through the graphene sheets inside the heat-conducting silicone grease, the temperature of the electronic components can be reduced, the heat-conducting silicone grease can be evenly spread on the surfaces of the electronic components, the probability that the heat-conducting silicone grease overflows unevenly is reduced, and the heat dissipation performance is guaranteed.

This invention discloses a method for microwave-catalyzed dehydrogenation of naphtha to produce aromatics, specifically comprising the following steps: Step 1, oxidizing and etching the surfaces of four different diameter carbon fibers to obtain four modified carbon fibers; Step 2, preparing four platinum-carbon fibers of different diameters based on the four modified carbon fibers obtained in Step 1; Step 3, preparing a gradient-pore structured platinum-carbon fiber paper based on the four different diameter platinum-carbon fibers obtained in Step 2; Step 4, using the gradient-pore structured platinum-carbon fiber paper obtained in Step 3 to catalyze the dehydrogenation of naphtha to obtain aromatics. This invention uses microwave-assisted catalysis to lower the reaction temperature, achieving localized catalytic heating to reduce side reactions, and also achieves high dehydrogenation efficiency.

An experimental apparatus and method for evaluating the dynamic anti-icing performance of superhydrophobic materials are disclosed, relating to the field of superhydrophobic material anti-icing technology. The technical solution includes a test section containing a model. A substrate is connected to the outer surface of the model, and a heating film is placed between the substrate and the model. The beneficial effects of this technical solution are: by adding a heating film under the substrate, the initial freezing time in ultra-low temperature experiments is effectively delayed, ensuring that the test piece does not immediately freeze when the ultra-low temperature is activated, thus guaranteeing the accurate acquisition of the initial freezing time. Simultaneously, by combining a high-speed camera and a thermal imaging camera, the freezing process and degree can be visually observed, providing a visual basis for comprehensive evaluation. When the leading edge of the substrate freezes, the power of the heating film is increased to melt the ice layer, and the overflow water re-condenses into overflow ice away from the heating zone. By measuring the relative position of the overflow ice and the reference chord length, the surface lubrication performance of the material can be further evaluated.

The utility model provides a deodorization tower steam conveying device, relates to deodorization tower technical field, including deodorization tower main part and conveying mechanism, the conveying mechanism includes cooling box and evaporation box, cooling box and evaporation box both are fixed in the outside of tower body, the inside of cooling box is equipped with a pair of sloping plate, and the cooling pipe is inserted between the pair of sloping plate, and the cooling pipe is equipped with the cooling box. An activated carbon adsorption layer is arranged at the bottom end in the cooling box, a pipeline is connected to the bottom end of the cooling box, one end of the pipeline is communicated with the evaporation box, the deodorization tower body comprises a tower body, a steam outlet pipe is connected to the top end of the tower body, one end of the steam outlet pipe is communicated with the cooling box, and steam inlet pipes are installed on the two sides of the exterior of the tower body; one end of each steam inlet pipe extends into the tower body and is provided with a conveying pipe, a plurality of air holes are formed in each conveying pipe at equal intervals, and one end of one steam inlet pipe extends into the evaporation box. The steam conveying device of the deodorization tower can effectively improve the utilization rate of steam, improves the practicability of the steam conveying device of the deodorization tower, and has high practical value.

The invention belongs to the technical field of environmental protection, and discloses a device and a method for removing nitrogen and phosphorus from liquid. The device comprises a struvite reaction tank, a pressure gas dissolving device and an ammonia nitrogen stripping tank which are connected in sequence, the struvite reaction tank is configured as follows: liquid and a precipitation agent are subjected to struvite precipitation reaction, and nitrogen and phosphorus are removed; the pressure gas dissolving device is configured to partially or completely pressurize and dissolve gas in reaction liquid after struvite reaction; and the ammonia nitrogen stripping tank is configured to release the reaction liquid containing the dissolved gas under reduced pressure, and stripping to remove ammonia nitrogen. According to the method, struvite precipitation and pressurized dissolved gas denitrification are combined, the problem that the sludge filtrate generated after sludge hydrolytic acidification cannot be directly used as a carbon source to be reused for sewage treatment is solved, the treatment cost is low, and the method is suitable for engineering application.

The utility model discloses a dry powder material unloader which comprises a platform plate, a hoisting mechanism, a telescopic protective cover cylinder and a blanking cylinder head, the platform plate is horizontally arranged at the high discharging end of a belt conveyor, a bearing top cylinder is vertically fixed on the platform plate, a top opening of the bearing top cylinder is used for bearing discharged materials of the belt conveyor, and the telescopic protective cover cylinder is arranged on the blanking cylinder head. The top end of the telescopic protective cover cylinder is communicated with a bottom opening of the bearing top cylinder; the telescopic protective cover barrel can stretch and retract in the vertical direction to adapt to the heights of different material piles; the discharging barrel head coaxially communicates with a bottom opening of the telescopic protective cover barrel, and the hoisting mechanism drives the discharging barrel head to move up and down in the axis direction of the telescopic protective cover barrel. According to the dry powder material unloading machine, the telescopic protective cover cylinder is adopted for protecting falling of dry powder materials, and raised dust is reduced.

The invention discloses a synchronous well cementation type radial horizontal well drill bit, and relates to the technical field of well drilling drill bits, the drill bit comprises a drill bit main body, the drill bit main body comprises an operation end, the top of the operation end is provided with a connecting shaft leading into the operation end, the connecting shaft is of a hollow structure, and the tail end of the connecting shaft is connected with a cutting end. The inner cutting teeth and the outer cutting teeth cut rock chippings, so that drilling is conducted, water is injected into a liquid inlet pipe, water flow is injected into the cutting end, a stratum becomes muddy water after meeting water, the drill bit body discharges the muddy water, after work of the drill bit body is completed, well cementation cement is injected, and the check pad seals the control shaft under the pressure effect; well cementation cement can only flow out from the through hole in the outer wall of the control shaft, the gap between the outer wall of the protective cover and the inner wall of a drilling well is gradually filled with the well cementation cement, after pouring is completed, the drill bit body is separated from the protective cover, and the well cementation cement and the protective cover form a retaining wall together with solidification of the well cementation cement, so that the inner wall of the drilling well is prevented from collapsing. And the exploration work safety is improved.

The present invention relates to the technical field of air permeability detection, and in particular to a sweater air permeability detection device, comprising a device body and an operation cabin, wherein the operation cabin covers the detection port of the device body, and a dehumidification module is also installed on the device body in the operation cabin; the dehumidification module comprises an outer cylinder, an air guide cylinder is correspondingly arranged above the outer cylinder, an air suction mechanism is arranged in the air guide cylinder, an air outlet pipe is arranged on the air guide cylinder, a base is fixed at the bottom end of the outer cylinder, a plurality of air inlets are opened in the circumferential direction through the lower part of the outer cylinder, a plurality of lifting rods are fixed in the circumferential direction at the top end of the outer cylinder, and a heating mechanism is arranged in the outer cylinder. The present invention can greatly reduce the influence of moisture in the outside air on the air permeability measurement result by installing an operation cabin on the detection port of the device, and the dehumidification module is provided with a plurality of flappers to flap the sweater sample, so that the yarn fibers of the sweater sample are loosened, which is more conducive to the vaporization and overflow of the absorbed moisture therein, thereby achieving a better dehumidification effect.

The application provides an aluminum alloy water-cooled plate laser welding device and method, and relates to the technical field of laser welding.The aluminum alloy water-cooled plate laser welding device comprises a laser, a water-cooled plate laser head and a welding machine tool, the water-cooled plate laser head comprises a laser galvanometer and a multi-spot beam splitting assembly arranged in sequence along the laser transmission direction; wherein the laser galvanometer is used for realizing spiral swinging of the laser emitted by the laser; the multi-spot beam splitting assembly is used for splitting the laser into light spots; the welding machine tool is connected with the water-cooled plate laser head and is used for driving the water-cooled plate laser head to move; the action of the welding machine tool and the laser galvanometer makes a plurality of light spots on the aluminum alloy water-cooled plate form a welding pattern which simultaneously spirally swings. The aluminum alloy water-cooled plate laser welding device realizes multi-point simultaneous welding on the water-cooled plate plane, is beneficial to the overflow of pores, performs stirring welding through rotating light spots, reduces the stirring frequency, is stable in the process, can effectively inhibit the generation of pores and reduce the porosity of the welding bead.

The invention discloses a highly dispersed Pd / HY molecular sieve catalyst with ultra-low loading, and a preparation method and application thereof. After a Pd precursor, a HY carrier and a solvent are uniformly mixed, the pH value of the solution is regulated, the solution is fully stirred and dried overnight, and a molecular sieve-loaded highly dispersed Pd catalyst is synthesized by an electrostatic adsorption method. The preparation method of the invention is simple, and different pre-treatment methods improve the utilization rate of precious metals, which can greatly reduce the amount of Pd and the cost of the catalyst. The catalyst of the invention is applied to the naphthalene hydrogenation reaction, exhibiting excellent catalytic hydrogenation activity and deep hydrogenation performance, and can convert naphthalene into high-value-added decahydronaphthalene by saturated hydrogenation at low temperature, and has good application prospects.

The utility model belongs to the technical field of meridian flapping hammers, and particularly relates to a traditional Chinese medicine meridian flapping hammer which comprises a hammer body composed of a hammer head, a hammer cover, a traditional Chinese medicine bag, a clamping seat, a connecting seat, a spiral spring rod and a hammer handle, an electric heating element is arranged in the hammer head, an air hole is formed in the hammer head, a medicine cavity and a clamping groove are formed in the hammer head, and the clamping seat is arranged in the medicine cavity. A medicine cavity is formed in the hammer head, a traditional Chinese medicine bag used for containing traditional Chinese medicine is placed in the medicine cavity, a hammer cover covers the hammer head, a connecting base is arranged on the hammer head and connected with the hammer handle through a spiral spring rod, a storage battery is arranged in the connecting base, and a heating button, a charging hole and a rubber plug are arranged on the connecting base. According to the traditional Chinese medicine hammer, a patient can conveniently replace different traditional Chinese medicines according to different diseases and requirements, the hammer head and the traditional Chinese medicines can be heated, the use convenience can be improved, and the use effect is improved.

The utility model discloses a kind of humidifying equipment of being convenient for accurate control, including water storage tank, water inlet component, overflow component, second water tank, automatic control component, heater and humidifying component, water inlet component is installed in the side of water storage tank, overflow component is set on the outer lateral wall of water storage tank, second water tank is set in the top of water storage tank, and water pipe is communicated between second water tank and water storage tank, can be stable for second water tank in upper water, automatic control component is installed in the side of second water tank, heater is electrically connected in the side of second water tank, and the side of heater is electrically connected with humidity control mainboard, heater adopts 304 stainless steel casting, heating tube is externally fully surrounded, it is convenient to replace accessory, humidifying component is installed in the side of second water tank. The humidifying equipment of being convenient for accurate control can stably control effective humidity point, it is convenient for water saving, while reducing water adding link.

The invention relates to a high-corrosion-resistance low-porosity MIG welding method for 5xxx high-magnesium rare earth aluminum alloy plates, two 5xxx high-magnesium aluminum alloy thick plates with the same material and thickness are welded, the welding position is the transverse position, a groove is an asymmetric V-shaped groove, the single-edge angle of one side of the groove is 20-35 degrees, the single-edge angle of the other side of the groove is 40-50 degrees, and the bottom gap is 0-2 mm; before MIG welding of the front face, the back face of the 5xxx high-magnesium aluminum alloy thick plate is fixed through a 1-2-degree reversible deformation fixing reinforcing row in the welding direction so as to prevent welding deformation, facilitate bubble overflow in the welding process, improve the welding quality and guarantee the welding effect and the flatness of the surface after welding. And a welding gun is adopted for welding along the asymmetric v-shaped groove, and after welding is finished, the reversible deformation fixing reinforcing row is dismounted. By means of the method, it can be guaranteed that the yield strength of the welded joint is not lower than 198 Mpa, the tensile strength is not lower than 333 Mpa, the welding process is simple and rapid, repeated welding is not needed, the welded joint cannot be softened, and the corrosion resistance of the welded joint is improved.

The main machine structure with the drainage function comprises a main machine bottom cover, a main machine body and a main machine cover, one end of the main machine body is connected with the main machine cover, the other end of the main machine body is connected with the main machine bottom cover, and water leakage holes are formed in the bottom wall of the main machine cover. A first water guide groove is formed in the main machine body, a second water guide groove is formed in the main machine bottom cover, the water leakage hole is communicated with the second water guide groove through the first water guide groove, and a water drainage hole is formed in the bottom wall of the second water guide groove. When the liquid overflows into the main machine cover, the liquid can flow into the first water guide groove through the water leakage hole and then flow into the second water guide groove through the first water guide groove, the electrical safety risk caused by the fact that the structure in the main machine body is infected by the liquid is avoided, the liquid can be conveniently discharged out of the main machine, the structure is simple, and the cost is low.

The utility model discloses an automobile camera, include: the front cover of one end with the installation cylinder of convex, the PCB of assembling in the front cover, the lens of assembling in the installation cylinder of the front cover with AA technology, the stop ring of lens and the outer end surface between the installation cylinder are bonded through UV glue, the back cover, and the front cover corresponding docking and through laser welding are connected into an organic whole, assemble in the back cover and with PCB link's FPC, and one end goes into the back cover and with FPC link's wire harness, wherein, the lens is assembled to the front cover after the back cover and the front cover laser welding connection, still be equipped with the vent hole on the back cover, and the vent hole is sealed by the interference fit of sealing plug after the completion of heat curing. The utility model discloses an automobile camera, and the vent hole is set up on the back cover, and the gas inside is convenient for heat curing UV glue and exports, can conveniently adopt the assembly process of first laser welding and connecting into an organic whole of the front cover and the back cover, and then AA technology assembly lens.

The invention belongs to the field of petrochemical industry, and provides a treatment method for overflow of oil-containing and odor-resistant cold coke water of needle coke, a contact cooling tower is newly added and is divided into an upper independent part and a lower independent part, the lower part is used for cooling and purging oil gas, and the upper part is used for overflow treatment of the cold coke water, so that function division is realized; purging oil gas from a coke tower firstly enters the lower portion of the contact cooling tower to be cooled, the cooled gas phase enters the air cooler to be cooled, and follow-up treatment is carried out after separation of the separation tank; coke cooling water from a coke tower overflows and then enters the upper portion of the contact cooling tower, a flocculating agent is added to promote oil products in the coke cooling water to be gathered at the tower bottom of the upper portion and then extracted, a water phase obtained after oil removal enters the coke cooling water storage tank to be recycled, and a gas phase is discharged from the tower top and is subjected to follow-up treatment through the air cooler. The method provided by the invention can effectively solve the problems that in the overflow process of the cold coke water of the needle coke, oil products contained in the coke enter the storage tank along with the cold coke water to cause oil accumulation in the tank, and the oil products are mixed into the cold coke water system to cause peculiar smell in the tank area.

The invention discloses a method and device for regulating and controlling the performance of a laser cladding wear-resistant coating containing multiple strengthening phases, and belongs to the technical field of laser cladding. The regulation and control method comprises the steps that the corresponding relation between the rotating speed and the powder feeding amount of each powder feeding unit is obtained, and the rotating speed of the powder feeding unit corresponding to each strengthening phase powder particle is regulated based on the preset powder feeding amount of each strengthening phase powder particle in the wear-resistant coating; the powder feeding gas flow is adjusted based on the density, the decomposability and the powder structure of each strengthening phase powder particle; the strengthening phase powder particles enter a powder feeding nozzle through a plurality of powder feeding units at the corresponding powder feeding air flow and are mixed at the outlet focus of the powder feeding nozzle; and the uniformly mixed strengthening phase powder particles are subjected to laser cladding, and the wear-resistant coating is prepared. According to the method and the device, the powder feeding gas flow of different types of powder is precisely regulated and controlled in a targeted manner, so that regulation and control of the structure and the performance of the high-hardness and high-wear-resistance cladding layer containing multiple strengthening phases are realized.

The invention discloses a device for promoting methylcyclohexane dehydrogenation at low temperature under the assistance of an electric field, a catalyst and a preparation method thereof, and belongs to the crossing field of catalytic chemistry, hydrogen energy technology and reaction engineering. The device is composed of a gas supply system, an electric field assisted methyl cyclohexane dehydrogenation system and a product gas analysis system which are connected through a gas pipeline. The catalyst is obtained by mechanically mixing silicon carbide powder and a platinum-loaded metal oxide modified alumina carrier, tabletting and molding, crushing and screening. The catalyst is arranged in the quartz reaction tube and is connected with the high-voltage power supply through the positive electrode and the negative electrode, and the quartz reaction tube is arranged in the high-temperature reaction furnace; by introducing an external electric field, apparent activation energy of methyl cyclohexane dehydrogenation can be remarkably reduced through a Joule heating effect and a surface electron effect, and energy consumption is greatly reduced; according to the method, hydrogen production through decomposition of methyl cyclohexane can be achieved at low temperature, operation is remarkably reduced, the operation cost is remarkably reduced, and an innovative solution is provided for achieving green hydrogen energy economy.

The utility model discloses a disinfectant preparation generator, which comprises: a stirring mechanism, a stirring assembly comprising a stirring cylinder and a stirring assembly, the stirring assembly is arranged on the stirring cylinder, and the stirring cylinder is provided with a water inlet pipeline; the crushing mechanism comprises an outer barrel, a grinding barrel and a grinding main shaft, the grinding barrel is sleeved with the outer barrel, a through hole is formed in the part, located in the outer barrel, of the grinding barrel, a discharging gap is formed between the outer barrel and the grinding barrel, a discharging barrel communicated with the discharging gap is arranged on the outer barrel, the discharging barrel is communicated with the stirring barrel, and the grinding main shaft is rotationally arranged in the grinding barrel; a feeding opening used for inputting raw materials is formed in the grinding cylinder and located in the end, away from the discharging cylinder, of the grinding cylinder. According to the disinfectant preparation generator, deliquescent and caked disinfectant raw materials can be crushed, and the disinfectant preparation efficiency can be greatly improved.