53results about How to "Full convection" patented technology

The invention provides a treatment device and treatment method for sewage. The treatment device comprises a treatment tank body, a power and electric control unit, a gas supply and tail-gas recovery unit and a circulation reaction treatment unit; the treatment tank body is provided with a liquid inlet and a liquid discharge outlet, a gas inlet and a tail-gas discharge outlet; the gas supply and tail-gas recovery unit communicates with the treatment tank body through the gas inlet; the tail-gas discharge outlet communicates with the gas supply and tail-gas recovery unit; the circulation reaction treatment unit comprises external circulation equipment and a reaction treatment component; the reaction treatment component is arranged in the treatment tank body; the external circulation equipment is arranged outside the treatment tank body and respectively communicates with the liquid inlet and the liquid discharge outlet; the power and electronic control unit is connected with the reactiontreatment component; and the sewage to be treated enters the interior of the treatment tank body through the liquid inlet and reacts with the reaction treatment component. The treatment device provided by the invention has the advantages of a simple structure, a rich source of electrode materials, high-efficiency purification of sewage in different places and lower running costs, and the treated water has high quality.

The invention discloses a heat dissipation case of a display screen. The heat dissipation case comprises a case body and a cover. The case body is of a rectangular structure. The reverse side of the case body is covered with the cover to form a hollow quadrangular-frustum-shaped structure. The cover comprises four side faces and a top face. The four side faces are all isosceles trapezoids. The included angel between each side face and the top face is larger than 90 degrees. The four side faces are all provided with vent holes. Due to the fact that the hollow quadrangular-frustum-shaped rear cover is adopted, and all the side faces of the rear cover are provided with the vent holes, air convection is formed on the rear portion of the display screen in all the directions in the using process. Therefore, the heat dissipation case has a good heat dissipation effect without a fan or an air conditioner.

The invention discloses a damping dual-drive concrete mixer which comprises a stirring barrel, a first motor, a first stirring shaft, a first stirring paddle, a second stirring paddle, stirring blades, a second motor, a second stirring shaft, a third stirring paddle, a feeding inlet, a feeding inlet cover, a discharging outlet, a discharging outlet cover and a base; the first motor is electricallyconnected with a controller, the second motor is electrically connected with the controller, and the starting of the motors is controlled by the controller, and the motors drive the rotating speed ofthe stirring shafts; the base comprises an outer base, a supporting plate and a buffer device, and an inner cavity is formed inside the outer base. The concrete mixer adopts the dual-drive stirring mode with the opposite stirring directions, on the basis of the structural design of the stirring paddles and the stirring blades, material convection is formed in the stirring process, uniform stirring is easily performed, materials stuck to the wall of the stirring barrel can be scraped down, and the stirring efficiency is improved; due to the structural design of the base, vibration caused by dual-drive stirring of the dual motors is effectively buffered, and the service life of the damping dual-drive concrete mixer is prolonged.

The invention provides a pair of air inner circulation shoes and a sole. At least one ventilation opening is formed in at least one side surface of the sole; an air blowing system and at least one airpassage are arranged inside the sole; the air blowing system is connected with the ventilation opening through the air passage; a filtering screen is also arranged on the ventilation opening. The airat the foot sole can realize sufficient convection; in addition, the soil or fine sand can be effectively prevented from entering the shoes from the air holes; the wearing comfort degree is greatly improved.

The present invention relates to a device capable of rising heat exchange efficiency and boiler using said device. It includes a circular tube whose tube end is closed, on the side wall of the circular tube several water inlet holes are set, every water inlet hole is equipped with water guide plate, and the plate surface of every water guide plate and tangential direction of circumference of circular tube are formed into 10deg.-50deg.angle, and another end of said circular tube is equipped with a water outlet. Said structure can effectively raise heat-exchange efficiency.

The invention discloses a culture method for grouper fries. The culture method is characterized by comprising the following steps: 1, preparing for a culture pond, and arranging a water wagon in the culture pond; 2, preparing for culture water, placing the culture water into the culture pond in the step 1, and dissolving oxygen in the culture water; 3, hatching spawns, placing the spawns into a vessel for hatching, and placing the vessel into the culture pond, wherein the water in the vessel is culture water; 4, culturing fish fries, and placing the hatched fish fries into the culture pond forculture; and 5, separating the fish fries by sieving, catching and sieving the fish fries every 30 days, and culturing the fish fries in different ponds according to a specification that the sizes are unified. The culture method disclosed by the invention achieves the aims of increasing the survival rate of grouper fries and reducing the mutual killing and devouring phenomena by providing good water quality, regulating the water temperature, reasonably arranging the stocking density, fortifying the nutrition and increasing the vitality.

The invention relates to an LED lamp with heat dissipation device and a manufacturing method thereof. The device comprises a heat dissipater 1, an LED light source module 2 fixed on the heat dissipater 1, as well as a photo-permeable board 4 and a lamp holder shell 5, and is connected with power supply 6, wherein the heat dissipater 1 is of a chimney-shaped heat dissipating structure, the heat dissipater 1 is constructed by a seat 11 and a plurality of chimney-shaped heat dissipating rods 12 arrayed on the seat 11, the seat is provided with through holes 13, the hollow heat dissipating rods 12 are mounted at the position corresponding to the through holes 13, the LED light source module 2 is constructed by a substrate 21 provided with a printing circuit, a plurality of LED particles 22 welded and fixed on the substrate 21, and an LED light distributing lens 23. The invention fills the blank of the prior art, the device has quick and efficient heat dissipation effect, and features simple structure, distinctive design, good airtightness, high commonality, flexible mounting and using, convenient maintenance and low cost.

The invention relates to the field of liquid delivery, in particular to an external fuel pump assembly for motorcycle fuel delivery. A fuel pump and related pipelines are connected into the assembly in a sealed mode, a lower cavity of the assembly is filled with fuel, a high-pressure oil region is formed in an upper cavity through the fuel pump, and finally the whole assembly can be arranged externally. The assembly effectively avoids a fuel turbulence phenomenon caused by gas in the fuel delivery process and reduces flow resistance in a fuel outlet pipe. The assembly is beneficial to uniform convection of heat generated by the fuel pump and increasing of the heat dissipation surface area. It can be ensured that the pressure impact variation range in the working process of a centrifugal pump is stable, and the service life of the fuel pump is prolonged. The requirement for the inventory of fuel in a fuel tank is low, and dismounting, mounting and maintenance are convenient.

The invention relates to an electric power cabinet structure with a ventilating pressure-reducing plate. The structure comprises a cabinet body and a ventilating plate in the cabinet body. The ventilating plate separates the inside of the cabinet body into an electrical device installation cavity and a ventilating heat dissipation cavity, and the side wall of the ventilating heat dissipation cavity is provided with ventilating slots; the ventilating plate is fixedly connected with the cabinet body by means of a frame body at the two sides, and the upper end of the ventilating plate and the inner top surface of the cabinet body are provided with ventilating top gaps; the ventilating plate comprises air-flow lead-in plates and air-flow lead-out plates, the air-flow lead-in plates are aslant arranged downwards relative to the frame body, the lead-out plates are parallel to the surface of the frame body, lead-in grooves are arranged between the lead-in plates adjacent to each other at upper positions and lower positions, and lead-out grooves are arranged between adjacent lead-out plates; the lead-out plates are also uniformly provided with ventilating holes; the lead-out plates in the ventilating heat dissipation cavity are connected with flow guide plates, and the end portions of the flow guide plates maintain convection gaps with the side wall, which is provided with the ventilating grooves, of the cabinet body; and a shielding plate fixedly connected with the outer wall of the cabinet body is arranged at the upper potions of the ventilating grooves, and the end portion of the shielding plate is inclined towards the bottom surface of the cabinet body.

The invention relates to a miniature fluid forced convection device for the on-line monitoring of electrical equipment, which comprises an integral joint. A convection cavity communicated with the outlet of a valve is arranged in the integral joint, an air exhaust / oil bleeding unit is arranged above the convection cavity, and an air exhaust / oil bleeding bolt capable of being screwed up or loosened, a rubber seal ring and an air exhaust / oil bleeding outlet are arranged in the air exhaust / oil bleeding unit. A test cavity for containing a gas testing unit is communicated with the convection cavity and is arranged in the integral joint, and an oil-gas separation film is arranged between the convection cavity and the test cavity. A convection drive unit capable of driving insulating oil to carry out forced convection between the oil tank of the electrical equipment and the convection cavity of the integral joint through the valve is arranged in the convection cavity. The convection drive unit can be the combination of a miniature motor, a miniature propulsion propeller and a duct, or the combination of an oil inlet pipe, an oil outlet pipe and an external miniature oil pump. The invention provides a device capable of realizing the integration of inside and outside sample oil forced convection and on-line monitoring on the valve of individual equipment.

The invention discloses a device for silencing, ventilation and light collection. The device comprises a quadrangle silencing frame filled with a silencing material, wherein interior of the silencing frame is divided into a ventilation and silencing room and a light collection and silencing room; the ventilation and silencing room is divided into three successively connected rooms including a first room, a second room and a third room, and the first room and the third room are opened and the second room is sealed on the face of the ventilation and silencing room located outdoors; the indoor side of the ventilation and silencing room is closed, and connection edges between the first room and third room and the second room are set as ventilated grates or nets; at joints of the ventilation and silencing room and the light collection and silencing room, the first room and the third room are sealed by silencing edges, and the second room is open; and an outer window body is disposed on the outdoor face of the light collection and silencing room, and an inner window body with an openable structure is disposed on the face towards indoors. According to the invention, light collections effects are the same as light collection effects of a common window; dual-layer window sealing is used; sound isolation effects are better; ventilation is quick; ventilation effects are good; the silencing structure achieves perfect silencing effects; the structure is simple; the cost is low; and use is convenient.

The invention belongs to the technical field of organic silicon production, and in particular to a device for recycling waste of organic silicon synthesis. The device comprises an upper seal head, a cylindrical barrel, a cone-shaped cylinder large in the upper part and small in the lower part, a residue outlet and a stirring module, wherein the stirring module comprises an air cylinder, support plates, connecting rods and arc-shaped sliding blocks; a group of support plates are arranged at intervals at the middle part of a push rod of the air cylinder; a group of connecting rods radially arranged along the support plates are arranged at outer rings of the support plates; one ends of the connecting rod are fixedly connected at one sides of the arc-shaped sliding blocks; elastic films are arranged in through grooves; one sides of the elastic films are fixedly connected with one sides of the through grooves; the other ends of the elastic films are fixedly connected with sliding plates; through notches are formed in the middle parts of the elastic films; and the sliding plates are used for controlling the closing or the opening of the notches. The device disclosed by the invention hasthe beneficial effects that the support plates are driven to move up and down by the push rod and when the arc-shaped sliding blocks slide to the cylindrical barrel, the sliding plates move outwards and the notches are opened, so that the flow path of organic silicon slag slurry is increased, the convection of the organic silicon slag slurry is more sufficient and the distillation efficiency of high-boiling point substances is improved.