174results about How to "Extend the distribution path" patented technology

The invention discloses a water quality circulating purification and oxygen supply device for an aquaculture pond. The water quality circulating purification and oxygen supply device comprises a waterdecanter connected to the aquaculture pond through a suction pipe, a filter connected to the water decanter, and a membrane separation and purification mechanism connected to the filter and used fordeep wastewater purification. The membrane separation and purification mechanism is composed of a plurality of membrane purification components connected in series. After being treated by the membranepurification components, wastewater flows into a circulating water tank and then enters the filter to circulate. After being treated by the membrane purification components, purified water is sterilized and disinfected by an ultraviolet lamplight component, then flows into an aeration mechanism, and finally returns to the aquaculture pond. The water quality circulating purification and oxygen supply device has the advantages that the purification rate of aquaculture wastewater and the oxygen content are high, water resources are recycled, and water pollution is reduced.

The invention discloses a split piano type shielding device on the end part of a steam-turbine generator, which relates to a metal shielding device and aims to solve the problems that a metal shielding structure on the end part of the existing large steam-turbine generator has the disadvantages of high eddy current loss and poor heat dissipation effect and the self temperature cannot be effectively reduced. The split piano type shielding device comprises a ring wind screen, a pressure ring, a pressure finger and at least two shielding plates, wherein the pressure ring is pressed on the pressure finger and positioned on the end part of the steam-turbine generator; each shielding plate is a three-stage bending plate and in a piano type structure; the at least two shielding plates which are circumferentially arranged form a shielding body; the first stage of each shielding plate is adjacent to the ring wind screen; the shielding body is in a ring shape; the ring wind screen and the shielding body are coaxially arranged; the shielding body is positioned between the ring wind screen and the pressure ring, and the shielding body, the ring wind screen and the pressure ring are connected in a detachable mode; and same gaps are left between every two adjacent shielding plates. The split piano type shielding device is used for reducing the self temperature of the steam-turbine generator.

The invention provides a shell of an electric heater. The shell comprises a heating chamber, a circulating chamber, an inlet, an outlet, a first shell and a second shell. The heating chamber is used for accommodating PTC electric heating elements. The circulating chamber is used for accommodating medium and admitting flowing and passage of the medium. The second shell comprises connecting walls and partition walls. The heating chamber comprises a plurality of heat transfer channels partitioned by the partition walls. The circulating chamber comprises a plurality of circulating units. The first shell comprises a first side wall and a second side wall. The heat transfer channels with the first side wall or the second side wall form passages respectively. The circulating units are communicated with the passages. The circulating units of the shell of the electric heater are communicated through the passages to form the circulating chamber with a curved path; the medium flows through the circulating chamber in a circulating manner; flow path is long; the medium flows around the heat transfer channels; contact time is long, contact area is large, and heat absorption is highly efficient; accordingly, the heat efficiency of the electric heater with the shell is improved effectively, and the electric heater can be well used for heat supply, defrosting and demisting in electric vehicles.

The invention discloses an electromagnetic integrated type energy feedback suspension actuator of an electric vehicle and a control method of the electromagnetic integrated type energy feedback suspension actuator of the electric vehicle. The suspension actuator comprises a magnetorheological damper, a linear motor and an actuator monitoring device, wherein the magnetorheological damper comprisesa cylinder, a magnetorheological fluid, an inner chamber upper partition board and an inner chamber lower partition board, wherein the linear motor comprises a linear motor shell, a secondary part anda primary part; the actuator monitoring device comprises an actuator controller. The control method of the suspension actuator comprises the following steps: 1, data acquisition and transmission; 2,control of the suspension actuator by the actuator controller in an energy feedback mode, a primary damping mode, a secondary damping mode and an active mode according to sample data. The suspension actuator is reasonable in design, multi-mode switching of a suspension system can be realized according to different road conditions of vehicle traveling, energy waste of the electric vehicle is reduced, driving mileage of the electric vehicle can be increased, and the promotion and application values are high.

The invention relates to a manufacturing method of a super small unit size vertical super-junction semiconductor device. The method comprises steps that a hard mask layer is utilized to carry out deep groove etching on a first conductive type semiconductor substrate; a second conductive type epitaxial layer is deposited; anisotropy etching is carried out, and a bottom epitaxial layer of a deep groove is removed; first conductive type impurity injection is carried out; a first conductive type epitaxial layer is deposited to fill the deep groove; planarization of a first main surface of the semiconductor substrate is carried out, the hard mask layer is further removed, the second conductive type epitaxial layer of the side wall of the deep groove forms a second conductive type column of a vertical super-junction structure, and the first conductive type substrate and the first conductive type epitaxial layer respectively form a first conductive type first column and a first conductive type second column. The method is advantaged in that the unit size of the super-junction structure can be substantially reduced on the condition that process difficulty does not increase, and width restrictions of the technology capability in the prior art for the second conductive type column can be broken through.

The invention discloses a heat exchanger. The heat exchanger comprises a housing and a heat exchange core body, wherein the heat exchange core body comprises a flat tube with a refrigerant runner therein; the flat tube is provided with a plurality of flat parts which are parallel to each other and bending parts for connecting adjacent two flat parts in a transitional mode; at least one part of each flat tube is positioned inside the housing; a cooling liquid runner is formed inside the housing; the part of the cooling liquid runner of the housing is divided into at least two cooling liquid flow paths which are arranged side by side in a direction parallel to the flat parts of the flat tube, and flow directions of the adjacent two cooling liquid flow paths are reverse; the portion, at a turning position of the adjacent two cooling liquid flow paths, of the housing is provided with a hollow bulged part, and the bulged part is positioned above or below the turning position of the flat tube; and an inner cavity of the bulged part communicates with the adjacent two cooling liquid flow paths with reverse two directions. The heat exchanger disclosed by the invention can prolong the cooling liquid flow paths, improves heat exchange efficiency, and is relatively high in pressure bearing capacity.

The present invention proposes an air-cooled refrigerator, comprising: a box body, the box body has a compartment; an air duct is arranged in the box body and communicates with the compartment; and a fan assembly is arranged in the compartment. The box is used to blow the cold air in the air duct to the compartment, and the fan assembly further includes: a fan; a first motor that controls the fan to rotate at a first speed; a fan cover, inside the fan cover An accommodation space for accommodating the fan is defined; a turning page, the turning page is rotatably arranged on the fan cover for changing the blowing direction of the fan; Two motors. With the fan assembly of the present invention, the cold air can be blown out from different angles through the rotating leaf, so that the cold air can be quickly distributed to all corners of the refrigerator, thereby greatly improving the cooling efficiency.

The invention provides a composite nanofiber filter membrane. The composite nanofiber filter membrane is prepared by electrospinning, and sequentially comprises a membrane supporting layer, a nonwovenlayer, a coarse filter layer, a nanofiber layer and a polyvinylidene fluoride coating layer which are mutually connected, wherein the filter hole diameter of the coarse filter layer is 0.1-1mm; the nanofiber layer sequentially comprises a first nanofiber layer, a second nanofiber layer and a third nanofiber layer; the first nanofiber layer is formed on the surface of the coarse filter layer; thediameter of holes between nanofibers in the first nanofiber layer is 20-50 microns, the diameter of holes between nanofibers in the second nanofiber layer is 1-20 microns, and the diameter of holes between nanofibers in the third nanofiber layer is 0.01-1 micron. The nanofiber filter membrane structure is large in specific surface area, an air circulating path is increased, the storage space of particulate matters is increased, and the service life is prolonged while the filtration efficiency of the filter membrane is improved, and the air resistance is lowered.

The invention discloses a combined-type flexible ureteroscope sheath part capable of conducting continuous lavaging and sucking. The combined-type flexible ureteroscope sheath part solves the problemthat blood clots and broken calculi in the kidney cannot be effectively discharged in ureteroscopic lithotripsy. A continuous lavaging system formed by an inner sheath canal and an outer sheath body has the advantage of efficiently removing the calculi, the operation success rate for the first time is increased so that the ureteroscopic lithotripsy can process the renal calculi of 2 cm or above, and the operation indication is expanded. According to the technical scheme, the combined-type flexible ureteroscope sheath part comprises the outer sheath body, the inner sheath pipe is detachably andcombinedly arranged in the outer sheath body, and the working end of the inner sheath pipe stretches out of the working end of the outer sheath body for a certain length; a negative pressure suctionopening is formed in the non-working end of the outer sheath body; the outer sheath part and the inner sheath pipe form the continuous lavaging system of which the inner sheath pipe conducts continuous lavaging inwards and the outer sheath body conducts continuous negative pressure suction, and foreign matter in the ureteroscopic lithotripsy is taken out.

The invention discloses a wet type boiler flue gas desulfurization and dust removal device. A bottom plate is arranged on one side of the lower part of a body, a gas feeding pipe is arranged on one side of the upper part of the bottom plate, washing liquid is arranged on the lower side in the body, a gas outlet of the gas feeding pipe is arranged in the washing liquid, a spray device is arranged on one side in the body, a defogging device is arranged on one side of the upper part of the spray device, a gas gathering hood is arranged on one side of the upper part of the body, the gas gatheringhood is in a reversed funnel shape, a gas discharging pipe is arranged on one side of the upper part of the gas gathering hood, a liquid feeding pipe is arranged on one side of the lower part of the body, a sewage draining pipe is arranged on one side of the liquid feeding pipe, and valves are arranged on the liquid feeding pipe and the sewage draining pipe. According to the wet type boiler flue gas desulfurization and dust removal device disclosed by the invention, a circular turnable type defogging device is utilized to change the flue gas flowing direction continuously, so that flue gas canstrike a defogging plate for multiple times, the washing liquid carried in the flue gas can be removed, the washing liquid is prevented from being drained out along with the flue gas, and environmental pollution is avoided; meanwhile, waste of the washing liquid is reduced.

The invention provides a peripheral circuit structure which is arranged on a substrate. The substrate comprises a component region and a peripheral circuit region. The peripheral circuit structure in the peripheral circuit region comprises multiple first connecting pads, multiple second connecting pads, a first line, a second line and multiple third lines, wherein the multiple third lines are connected to components in the component region, and electrically connected with the second connecting pads. Each first connecting pad comprises a first grounding connection pad and a second grounding connection pad, and the second connecting pads are positioned between the first grounding connection pads and the second grounding connection pads. The two ends of the first line are respectively electrically connected with the first grounding connection pads and the second grounding connection pads. The two ends of the second line are also respectively electrically connected with the first grounding connection pads and the second grounding connection pads Thus, the second line, the first line, the first grounding connection pads and the second grounding connection pads form an enclosed loop.

The invention discloses a water inlet device for a cleaning machine. The water inlet device comprises a water inflow support, and the water inflow support is provided with a water inlet pipe and a water overflow pipe; a main cavity is formed in the water inflow support, and a first opening is formed in one side of the main cavity; a vent hole is formed in the upper side wall of the main cavity, the water inflow support is further provided with a condenser pipe with an air inlet and an air outlet, and the air inlet of the condenser pipe is connected with the vent hole; multiple partition boards are arranged in the condenser pipe and divide an inner cavity of the condenser pipe into multiple spaces, and the spaces are communicated with one another to form a steam condensation channel; the steam condensation channel is communicated with the air inlet and the air outlet. The steam circulation path is prolonged, and multiple barriers are arranged on a steam circulation pipeline, so steam frequently collides with all wall surfaces in the circulation process and the water inlet device achieves the natural condensation effect. The water inlet device can effectively condensate steam, can also keep the steam circulation pipeline hygienic and smooth, and makes the cleaning machine operate normally.

The invention provides a fumigating box and an electric fumigating oven with the fumigating box, belongs to the technical field of electric fumigating ovens, and aims to solve the technical problems that the fume supply time is shortened, a relatively great amount of materials can be consumed, and the like as the flowing speed of fume generated from a fume generator of a conventional fumigator is too high. The fumigating box comprises a box body and a box cover, wherein a material storage cavity for accommodating a fume generating material is formed inside the box body; the top surface of the box body is opened; the box cover is detachably connected onto the top of the box body and is used for sealing the opening of the box body; a fume storage cavity is formed inside the box cover; fume inlets for communicating the fume storage cavity with the material storage cavity are formed in the bottom surface of the box cover; fume outlets communicated with the fume storage cavity are formed in the top surface of the box cover; a fume baffle structure for retarding fume in the fume storage cavity from being discharged out is arranged inside the box cover. By adopting the fumigating box and the electric fumigating oven, the utilization rate of a fume generating material can be effectively increased.

The invention discloses a continuous chlorination method for phenol. Phenol and chlorine are taken as raw materials and react in a circulating flow spray type continuous gas-liquid reactor, wherein the circulating flow spray type continuous gas-liquid reactor comprises a casing, multiple first partition boards with gas-liquid mixing channels and multiple second partition boards with gas-phase channels and liquid-phase overflow channels, the multiple first partition boards and the multiple second partition boards are arranged in the casing and distributed alternately, and first single-stage reactors and second single-stage reactors are formed through surrounding of the first partition boards, the second partition boards and the casing, arranged alternately and communicated; gas-phase material flow and liquid-phase material flow in the first single-stage reactors are downstream, while gas-phase material flow and liquid-phase material flow in the second single-stage reactors are upstream. With adoption of the continuous chlorination method for phenol, the gas-phase utilization rate and the target product yield are high. The invention further provides the circulating flow spray type continuous gas-liquid reactor.

A partition member (42) is installed between a frame (21) and the stator (33) of an electric motor (24). The partition member (42) establishes communication between a connection passage (26) and a gap (39a) and between a gas passage (40) and a delivery space (16). The refrigerant gas delivered from a compression mechanism (22) entirely flows into the gap (39a) and passes through a communication space (15) and then flows through the gas passage (40) so as to be delivered from a delivery pipe (18).

The invention discloses a condensation type demister having vanes with non-uniform wettability and a preparation method of vanes. The condensation type demister comprises multiple sets of condensationdemisting vanes arranged at intervals, an upper frame, a lower frame, a cooling water inlet welded to the lower frame and a cooling water outlet welded to the upper frame, wherein the upper frame andthe lower frame are used for fixing the vanes and providing cooling water channels; the vanes are each of a hollow corrugated structure; and through holes connected with a cooling water outlet pipe and a cooling water inlet pipe are formed in the upper portions and the lower portions of the vanes respectively; and the vanes are metal or metal alloy vanes. According to the invention, the surfacesof the vanes are covered with mask plates; the exposed surfaces of the vanes are modified with a low-surface-energy substance for treatment after rough structures are constructed on the exposed surfaces, so the exposed surfaces have super-hydrophobicity and the covered parts have hydrophilicity; and therefore, the vanes have the characteristic of hydrophilicity-hydrophobicity combined non-uniformwettability.

The invention relates to a reactive coke regeneration tower. The reactive coke regeneration tower comprises a loading section, a heating section, a cooling section and an unloading section which are in sealed connection sequentially from top to bottom and are arranged in a shell body, wherein a plurality of material through pipes are vertically arranged in the heating section; and a plurality of baffle plates, which separately sleeve all the material through pipes, are further distributed in the heating section, a gap is reserved between at least one side of each baffle plate and the internal wall of the shell body of the heating section and serves as an air outlet, and thus, hot air with the temperature of 300 DEG C to 450 DEG C is subjected to repeated diversion in the shell body of the heating section and then flows out to carry out heating on reactive coke in the material through pipes. Due to the baffle plates, a circulating path of heat-exchange air in the heating section is prolonged, the efficiency of heat exchange is increased under equivalent conditions, and thus, the heat exchange is more thorough.

The invention discloses a peanut harvester and a weed-throwing and dust-settling mechanism thereof. The peanut harvester comprises a picking platform, a bridge, a peanut picking mechanism, a choppingmechanism and a weed-throwing and dust-settling mechanism which are sequentially arranged from front to back along the direction of a vehicle body; a cleaning mechanism is arranged below the peanut picking mechanism; peanuts with stems are collected by the picking platform and then are conveyed to the peanut picking mechanism through the bridge; coarse stalks flow to the chopping mechanism to be chopped to form stalk residues; the weed-throwing and dust-settling mechanism comprises a weed-throwing fan and a weed box assembly provided with an air outlet; the weed-throwing fan is arranged at theintersection of the cleaning mechanism, the chopping mechanism and the weed box assembly, so that fine stalks of the cleaning mechanism sequentially pass through the inlet of the weed-throwing fan, afan impeller of the weed-throwing fan and the outlet of the weed-throwing fan to be thrown towards the weed box assembly, and stalk slag flows towards the outlet of the weed-throwing fan to be throwntowards the weed box assembly. The energy consumption of the weed-throwing fan is reduced, and the low-power weed-throwing fan is lower in manufacturing cost and easy to realize; and the air outlet speed is small, the dust amount is reduced, and the pollution of raised dust to a human body and the environment is relieved.