15results about How to "Large spreading area" patented technology

The invention discloses a multi-stage purification industrial sewage treatment system which comprises a flocculation basin, a flocculation mechanism and an ozone purification mechanism, a sedimentation tank is arranged on the right side of the flocculation tank, the sedimentation tank is communicated with the upper end of the flocculation tank, a rapid sedimentation block is fixedly connected to the upper end of the right side of the sedimentation tank, and inclined through holes which are uniformly distributed are formed in the rapid sedimentation block; the flocculation mechanism comprises a supporting plate, throwing assemblies, second motors and stirring shafts, the rotatable supporting plate is arranged at the upper end of the flocculation basin, the second motors which are evenly distributed are fixedly connected to the upper surface of the supporting plate, the stirring shafts are fixedly connected to the lower ends of output shafts of the second motors, and the throwing assemblies are arranged at the left end and the right end of the supporting plate. According to the multi-stage purification industrial sewage treatment system, a flocculating agent and sewage are mixed more sufficiently through rotation of the stirring shaft and the flocculating agent throwing mechanism, the ozone treatment stage is more efficient and sufficient, and meanwhile waste of ozone is reduced.

The invention relates to a high-wettability brass flux-cored brazing filler metal and a preparation method thereof. According to the high-wettability brass flux-cored brazing filler metal, Sn powder, Ni powder and Sn-Ni composite metal powder with different weight ratios are added into a brass flux-cored brazing flux respectively, so that the melting speed of a brass flux core is reduced, the wettability spreading performance is improved, and the tensile strength of a weld joint is improved; the weight ratios of the added Sn powder are 0%, 3%, 5%, 7%, 10%, 15% and 20% respectively, the weight ratios of the added Ni powder are 10%, 20%, 30%, 40% and 50% respectively, the weight ratios of the added Sn-Ni composite powder are 0 wt.% Sn to 0 wt.% Sn, 0 wt.% Sn to 10 wt.% Sn, 3 wt.% Sn to 0 wt.% Sn and 3 wt.% Sn to 10 wt.% Sn, and all the components are the weight percentages of the alloy powder in the brazing flux. The optimal weight ratio of the added Sn-Ni composite metal powder is 3 wt.% Sn-10 wt.% Sn, at the moment, the wettability and the joint tensile strength are remarkably improved, the melting temperature interval is reduced, and therefore the brazing quality and efficiency are improved, and the brazing technology is improved.

The utility model discloses a spraying system of a spraying tower, which relates to the waste gas treatment technology, and adopts the technical scheme that the spraying system comprises a tower body, a spraying pipe and a nozzle, the spraying pipe comprises a main pipe and a branch pipe, the nozzle is rotatably connected to the branch pipe, a rotating piece is arranged in the nozzle, and the nozzle is provided with an atomizing opening and a liquid flow opening. The spray head starts to rotate under the action of the rotating part, the treatment liquid in the spray head is sprayed out from the atomization opening and the liquid flow opening under the action of liquid pressure, the treatment liquid sprayed out from the liquid flow opening is large in particle diameter and can effectively combine pollutants with large diameters in waste gas, the treatment liquid sprayed out from the atomization opening is small in particle diameter, and the pollutants can be effectively combined with the pollutants with large diameters in the waste gas. The spray tower is simple in structure, large in dispersion area and longer in hang time, and can be fully combined with pollutants with smaller diameters in waste gas, and meanwhile, as the rotation of the spray head can provide centrifugal force for the treatment liquid leaving the spray head, the treatment liquid sprayed out of the atomization port and the liquid flow port can have wider coverage area, and the working efficiency of the spray tower is improved.

The utility model discloses a desulfurized gypsum mixing device with a pre-grinding function, which comprises a mixing box which is a hollow cylindrical shell, and the surface of the mixing box is fixedly connected with a support frame; a discharging opening is fixedly connected to the bottom of the mixing box, a piston is embedded in the bottom of the discharging opening, a grinding mechanism is arranged in the mixing box, and the grinding mechanism comprises a grinding box fixedly connected to the surface of the mixing box. According to the desulfurized gypsum mixing device with the pre-grinding function, the grinding mechanism is arranged, gypsum is ground, the diameter of the gypsum is reduced, a second motor drives two grinding rollers to rotate through a first gear, the gypsum is ground, meanwhile, a second gear drives a rack to move downwards, the rack drives a rotating plate to move downwards, the angle of the rotating plate is changed, and the gypsum is ground. And the ground gypsum falls into the mixing box along the surface of the rotating plate, so that the throwing area of the gypsum is increased, the gypsum is mixed more quickly, and the mixing efficiency is improved.

This invention provides a laminating machine for composite paperboard and its working method, relating to the field of paperboard processing technology. The machine includes a frame with a waterproof paper layer conveying station and a paperboard conveying station along the vertical direction. The waterproof paper layer conveying station includes a waterproof paper layer servo conveyor belt and a waterproof paper layer guide frame. A gluing and pressing station is provided along the horizontal direction of the frame. The gluing and pressing station includes a pre-pressing flat roller group, a pressing roller group, a gluing structure, and a linkage mechanism. The linkage mechanism is installed at both ends of the upper pre-pressing flat roller. The gluing structure is located on the frame and is connected to the linkage mechanism, performing lifting and lowering actions relative to the rotating upper pre-pressing flat roller. The gluing structure stores glue internally, and a glue outlet is formed on its downward-facing side. The pressing roller group is located on one side of the waterproof paper layer guide frame. Through the working method, this invention obtains a paperboard with a waterproof paper layer laminated to its surface. When applied in packaging, transportation, and other scenarios, it can provide waterproofing, moisture resistance, and increased paperboard strength.

The utility model discloses a snack stirring and powder scattering device which comprises a stirring barrel and a mixing barrel which are arranged in an up-and-down butt joint mode, a discharging plate is further arranged between the stirring barrel and the mixing barrel, the discharging plate is of a cylindrical cavity structure, the interior of the cylindrical cavity structure is hollow, and a plurality of discharging holes are correspondingly formed in the upper end face and the lower end face of the cylindrical cavity structure. Rotatable discharging devices which are arranged in a cavity of the discharging plate are arranged among the discharging holes which are correspondingly formed up and down, a transmission shaft which is arranged among the stirring barrel, the discharging plate and the mixing barrel in a penetrating mode from top to bottom is vertically arranged in the middle of the discharging plate, and a stirring device is arranged on the transmission shaft; the transmission gear in transmission connection with the discharging device is arranged on the section, arranged in the discharging plate, of the transmission shaft, so that the seasoning scattering area is larger, seasoning scattering is more uniform, and the working efficiency is improved.

The invention relates to the technical field of heat dissipation cover mounting processes, in particular to a heat dissipation cover processing device and method suitable for the mounting process, and mainly relates to a heat dissipation cover processing device suitable for the mounting process. A cleaning platform is arranged between the incoming material platform and the feeding platform, the cleaning platform is provided with a processing plane used for processing the combination surface of the heat dissipation cover, and the processing plane is kept to be arranged in the forward direction; the LED lamp further comprises a carrying module, and the carrying module keeps the combination face of the heat dissipation cover to be arranged in the negative direction. The device has the following beneficial effects that the bonding surface of the heat dissipation cover is bombarded through jet type plasma flame, the hydrophilicity of the heat dissipation sheet is improved through chemical and physical reactions, meanwhile, after treatment is completed, the bonding surface is always kept in a downward state, the possibility of secondary pollution in the carrying process is reduced as much as possible, and the heat dissipation sheet is placed on a feeding carrier.

The invention relates to the technical field of ecological restoration, in particular to a forest grass ecological restoration device which comprises a mounting frame and a mounting plate, the mounting plate is fixedly mounted above the mounting frame, a rotating seat is fixedly connected to the lower portion of the mounting frame, and a wheel shaft is transversely and rotationally mounted below the mounting frame through the rotating seat; wheels are fixedly installed at the two ends of the wheel shaft respectively and used for assisting movement of the installation frame, and a driving gear is fixedly arranged in the middle of the wheel shaft. The mounting frame is connected to the tail of the driving vehicle through the connecting frame, the air blower turbine is driven by rotation of the wheels to generate wind power in the air blower shell, and then grass seeds falling from the seed groove can be sprayed out through the soft air guide pipe by means of the wind power for long-distance sowing; meanwhile, the eccentric rotating disc can be driven by rotation of the wheels to drive the seed spreading opening to swing, the spreading area is further increased, the grass seed spreading efficiency and the grass seed spreading area are greatly improved, and the use effect is good.

The invention relates to the technical field of open-loop circuits, and discloses a bus voltage open-loop control circuit, comprising a bus, and also comprising: an audio main shell; an opening adjustment mechanism, wherein the opening adjustment mechanism is arranged inside the audio main shell, the opening adjustment mechanism comprises a circuit box fixedly connected inside the audio main shell, and an isolation mechanism, wherein the isolation mechanism is arranged inside the audio main shell, and the isolation mechanism comprises a motor fixedly connected to a side of the circuit box away from the bus. The bus voltage open-loop control circuit is connected with a noise detection device and an audio control module in the bus voltage open-loop control circuit, so that the audio control module can adjust the working state of the gas rod and the motor when the audio knob is rotated according to the result fed back by the noise detection device, thereby adding a feedback function to the open-loop control circuit which does not have a feedback function, and does not change the original open-loop control circuit, so that the audio can be adjusted in real time according to the real-time situation outside the audio.

This invention relates to the field of wastewater treatment technology and discloses a high-efficiency filtration treatment device for industrial wastewater, including a lower filter tank. An upper filter tank is connected to the upper surface of the lower filter tank via a flange. A limiting cylinder is fixedly connected to the upper surface of the upper filter tank. A mounting base is sleeved on the inner surface of the limiting cylinder. A U-shaped electric heating tube is fixedly connected to the lower surface of the mounting base. In this invention, the U-shaped electric heating tube can heat the wastewater to promote pollutant decomposition and separate oily substances. During the heating process, a temperature monitoring gauge can monitor the internal temperature of the lower and upper filter tanks in real time, facilitating precise temperature control and gradient heating to improve pollutant decomposition efficiency. A stirring paddle agitates the wastewater, promoting its flowability and improving the uniformity of heating, thus enhancing the pollutant decomposition effect.

The invention belongs to the technical field of ecological aquaculture, and discloses an unmanned automatic feeding mechanism for ecological aquaculture, which comprises an unmanned ship body, the material storage bin is arranged at the bottom of the outer side of the unmanned ship body; the cyclone material bottom bin door is arranged at the bottom of the material storage bin; and the diffusion discharging assembly comprises a diffusion discharging plate. According to the technical scheme, by arranging the diffusion discharging assembly and the driving assembly, when the whole rotational flow material bottom bin door rotates and is opened downwards, the linkage assembly can integrally rotate to be fixedly connected with one end of the driving assembly, and then when the material throwing stirrer rotates, the driving assembly can be driven to integrally move; and the linkage assembly is driven to integrally drive the diffusion discharging assembly to integrally diffuse materials sliding down from one side of the rotational flow material bottom bin door to the outer side so as to throw the materials to the outer side of the rotational flow material bottom bin door, so that the material throwing area is increased, the feeding efficiency is greatly improved, and the problem that the efficiency is affected due to the small feeding area is solved.

The utility model relates to an air-conditioning type range hood which comprises a machine body and an air-conditioning module arranged on the machine body, the air-conditioning module comprises a compressor, a condenser and an evaporator, and the compressor, the condenser and the evaporator are communicated through a refrigerant pipeline. A water conveying pipe used for conveying condensate water condensed by the evaporator to the condenser is arranged between the evaporator and the condenser, and the water outlet end of the water conveying pipe is located above the condenser. The condenser comprises a heat exchange plate and a heat exchange pipe at least partially penetrating through the heat exchange plate, and the heat exchange plate is transversely arranged and located under the water outlet end of the water conveying pipe. According to the condenser, the heat exchange plates are transversely arranged, so that condensed water drops can stay on the heat exchange plates for a long time after dropping on the heat exchange plates, the spreading area is large, and the heat dissipation effect on the condenser is improved.

The utility model discloses a glass vacuum furnace with a heating assembly, and relates to the technical field of vacuum furnaces. Comprising a heat preservation furnace body, a smelting furnace is arranged in the heat preservation furnace body, an electromagnetic coil for heating is arranged below the smelting furnace, and a control device for controlling the electromagnetic coil to ascend and descend is arranged on the outer side of the heat preservation furnace body; and a through hole is formed in the bottom of the smelting furnace. Compared with a traditional glass vacuum furnace, through the arrangement of the heat preservation furnace body, the smelting furnace, the control device and the like, in the using process of the glass vacuum furnace, the annular grooves are formed in the smelting furnace, the copper pipe is fixed to the inner wall of each annular groove, the heat conduction efficiency is improved, and heating is more uniform. The copper pipes are communicated with each other to form a complete heating system, and the heat conduction bulges communicated with the copper pipes are arranged in the smelting furnace, so that the heat dissipation area can be increased, the heating efficiency is further improved, and the flowing of glass liquid is not influenced.

The invention relates to the technical field of wastewater treatment, and discloses a full-membrane treatment device for industrial wastewater, comprising a sedimentation tank, a support platform fixedly connected to the left surface of the sedimentation tank, a water pump fixedly connected to the upper surface of the support platform, a membrane filter connected to the rear end flange of the water pump, a material spreading box hinged on the inner wall of the sedimentation tank, a feed pipe fixedly connected to the left side of the material spreading box, and a discharge pipe fixedly connected to the bottom surface of the bulk material box. According to the invention, the material spreading area is increased by swinging the material spreading box, thereby increasing the contact area between the flocculant and the wastewater, and improving the mixing speed of the flocculant and the wastewater, and the twisting block drives the stirring rod to swing in a cone to stir the wastewater, so that the wastewater in the sedimentation tank quickly forms a vortex, further accelerating the mixing speed of the flocculant and the wastewater, and also accelerating the sedimentation speed of the flocculants, thereby improving the wastewater treatment efficiency.

The utility model discloses a novel coulter type mixer, which belongs to the field of mixing equipment and comprises an equipment base, a mixing barrel is mounted at the upper end of the equipment base, a pair of rolling transverse shafts is mounted at the inner end of the mixing barrel, and a plurality of connecting outer shafts are fixedly connected to the outer ends of the rolling transverse shafts. The end, away from the rolling transverse shaft, of the connecting outer shaft is fixedly connected with a coulter type material turning head, the left end and the right end of the coulter type material turning head are fixedly connected with side distribution material throwing plates, each side distribution material throwing plate comprises two hollowed-out hole pair plates, and the inner end of the hollowed-out hole pair plate located on the outer side is provided with an inner concave ring groove; in the process that the coulter type turning-over head outside the rolling transverse shaft is turned over along with the rolling transverse shaft, the throwing area of material particles can be increased through the laterally-arranged throwing plates at the left end and the right end of the rolling transverse shaft, the material particles can penetrate through holes between the hollowed-out hole pair plates to be screened when making contact with the material particles, and the mixing efficiency of the coulter type turning-over head in the mixing barrel for different types of material particles is improved; and the working efficiency of the mixing barrel is further improved.