37results about How to "Avoid hedging" patented technology

The invention provides a cooker burner, which includes an outer ring fire cover, two outer ring injection pipes and a flow guide block, the gas outlet ends of the two outer ring injection pipes are arranged oppositely, and both are connected to the outer ring fire cover In the inner outer ring gas mixing chamber, the guide block is arranged between the two gas outlet ends, and has guide surfaces facing the two gas outlet ends respectively, and the guide surface can change the gas flow direction of the two gas outlet ends to a direction away from each other flow. The cooker burner provided by the present invention is provided with a guide block between the two gas outlet ends, so that the two opposite guide surfaces of the guide block are used to change the flow direction of the gas flowing out of the gas outlet end, so that each of them flows in a direction away from each other. Ensure that the gas flow in the outer ring gas mixing chamber and the gas at each fire hole are relatively stable and even, avoid the gas at the two gas outlets from hedging, solve the problem of flame separation and tempering in the fire hole caused by gas hedging, and avoid The large loss of fuel-air mixture energy caused by hedging reduces the problem of ejection capability.

The invention discloses a steam-water separator component exhaust structure specially used for steam generators in nuclear power plants. The steam-water separators are combined to form several concentric ring structures with different diameters, and the adjacent steam-water separation in each ring structure There are exhaust steam passages between the devices, and the exhaust steam passages pass through the upper deck. This invention increases the steam circulation area of ​​the exhaust structure of the steam-water separator under the condition that the diameter of the upper cylinder of the steam generator remains unchanged, saves the space of the upper cylinder of the steam generator, ensures the exhaust capacity of the exhaust structure of the steam-water separator, and satisfies The steam exhaust requirements of small-diameter steam-water separator components create conditions for the application of compact and efficient small-diameter steam-water separators, and avoid the steam in the steam-water mixture from being opposed to the tangential drainage of the steam-water separator, thereby ensuring that the steam-water separator and even the dryer The separation efficiency is high, and dry saturated steam with qualified quality is obtained.

The invention provides a drying channel of a coating machine. The drying channel is used for drying a substrate of coated paste and comprises a drying channel body, a transmission device, at least a drying channel tuyere and a hot air fan, wherein the transmission device transmits the substrate to be dried through the drying channel body; the drying channel tuyeres are installed in the drying channel body and are arranged below the substrate along the transmission direction of the substrate; each drying channel tuyere comprises an air outlet and an air inlet; the hot air fan comprises a fan air inlet and a fan air outlet; the fan air outlet is communicated with the air inlet of one drying channel tuyere; the hot air fan conveys hot air to the drying channel tuyeres; and the hot air blown from the air outlets of the drying channel tuyeres is parallel to the transmission direction of the substrate. The drying channel has the following beneficial effects: the air blown from the air outlets of the drying channel tuyeres is parallel to and the same as or opposite to the transmission direction of the substrate; the blown air uniformly passes through the transmitted substrate to avoid nonuniform heating caused by impact, so that the substrate can be dried uniformly from bottom to top, thus improving the yield; and the air faces one direction, thus improving air circulation in the drying channel and avoiding opposite impact of the hot air.

The invention belongs to a car washing device, and particularly discloses a simple water-saving type automatic car washing machine. The car washing machine comprises support portions in pair, water spraying portions in pair, detergent spraying portions in pair and movement control portions in pair. The water spraying portions and the detergent spraying portions are in parallel arrangement. The upper ends of the water spraying portions are fixed to the upper ends of the support portions. The lower ends of the water spraying portions are fixed to the lower ends of the support portions. Telescopic rods in the movement control portions are connected with cylindrical protrusions on the support portions in a rotatable mode. Motor bases in the movement control portions are fixedly connected with the lower ends of the support portions. The automatic car washing machine has the advantages of simple structure, low component quantity, simplicity in production, convenience in demounting and mounting, small occupied area, high working efficiency, energy conservation, water saving and the like.

The invention discloses a diffuse lateral air supply system, which comprises a data machine room (1), an air supply channel (2), a precision air conditioner room (3), and a precision air conditioner (4) in the precision air conditioner room arranged sequentially in the machine room ), the air supply outlet (5) of the air conditioner room connecting the air supply duct and the precision air conditioner room, the air supply louvers (6) connecting the air supply duct and the data room, the cold aisle (7) on the data cabinet (8), and the The data cabinet, the hot passage (9) connecting the data cabinet and the circulation pipe (10), and the circulation pipe connecting the precision air-conditioning room; the hot air enters the precision air-conditioning room through the circulation pipe through the hot passage, and is cooled into cold air by the precision air conditioner, The cold air enters the data cabinet through the air supply outlet of the air conditioner room, the air supply channel, the air supply louvers and the cold aisle in order to dissipate heat for the data set. The invention can achieve the purpose of heat exchange through lateral air supply, reduce the energy consumption of air supply, eliminate the need for an integral overhead machine room, and reduce construction costs.

The invention relates to a box-type gas heat treatment furnace, which includes a furnace shell and a furnace. The furnace shell is a rectangular box-shaped body. The furnace shell is provided with a material inlet and a material outlet. There is a high-temperature flue gas inlet; the inside of the furnace shell is provided with an annular flue gas passage, the left and right sides of the flue gas passage are connected with the furnace, and the outside of the furnace shell is provided with a vertical flue connected with the flue gas passage; The material storage rack is placed under the high-temperature flue gas inlet and communicates with the flue gas passage, and the two ends of the material storage rack are respectively airtightly connected with the inner wall of the furnace shell. The present invention cancels a plurality of flue gas exhaust pipes provided on the traditional heat treatment furnace, directly adds a flue gas channel inside the furnace shell, and sets a vertical flue connected with the flue gas channel outside the furnace shell, so that the heat exchange in the furnace The final flue gas enters the flue gas channel and is output through the vertical flue, which simplifies the pipeline arrangement and reduces the production cost. The pressure of the flue gas circulation in the furnace is uniform, the heat utilization rate is high, and the heat loss is small.

The invention discloses a water drainage cross inspection well preventing water face-to-face flushing, belongs to the field of water drainage projects and particularly relates to a rainwater and sewage convergence water drainage structure. The well is an intersection inspection well applicable to a rainwater or sewage pipeline. Branch pipes on the two sides of a water drainage pipeline are connected into the inspection well through sluices with large cornering radius, the sluices of the branch pipes on the two sides are spaced from a sluice of an upstream pipeline, and the included angle of afflux of the three sluices is small. The inspection well can prevent face-to-face flushing of water entering the inspection well, reduce turbulence flow to stabilize the water and bring the water drainage efficiency of the intersection inspection well into full play, thereby reducing the frequency of waterlogging of urban roads.

The present invention relates to a high-effective large-flux fixed valve tower tray. It is formed from column plate, fixed valve and down-pipe. The fixed valve is formed by directly stamping the column plate self-body, and said fixed valve is composed of valve surface of fixed valve and valve leg of fixed valve, the valve surface is connected with column plate by means of valve leg of fixed valve, and the valve surface of the fixed valve has a downward bent folded edge. Said invented structure can raise treatment capacity of tower tray and its operation elasticity, at the same time the gas-liquid contact on the plate can be intensified so as to raise column plate mass transfer efficiency.

The invention relates to a high-efficiency gas-fired walking furnace, which includes a furnace shell and a furnace. The furnace shell is a rectangular box-shaped body. The furnace shell is provided with a material inlet and a material outlet, and the furnace is provided with a storage rack for placing workpieces. , the left and right sides of the furnace shell are respectively provided with high-temperature flue gas inlets communicating with the furnace; the furnace is vertically provided with a deflector that divides it into a left area and a right area. The inner shape of the furnace shell is suitable, the top end is airtightly connected with the top of the furnace shell, and the bottom end is located above the storage rack. In the present invention, two high-temperature flue gas inlets are arranged on the left and right sides of the furnace shell, combined with a deflector that divides the furnace into two symmetrical areas on the left and right, so as to improve the heating efficiency and ensure that the flue gas in the furnace flows evenly. The temperature is consistent everywhere, improving the stability of the temperature field.

The invention discloses a head-mounted air umbrella, which comprises a head-mounted frame, an airflow conduction block, a fan and a PLC controller; Hollow structure, the outer surface of the head-mounted frame is provided with an air intake hole, the control box and the power supply are arranged inside the described head-mounted frame, the airflow conduction block is connected with the head-mounted frame through a connecting block, and the airflow conduction block is lower than the horizontal plane It is arranged at an inclination, and both sides of the airflow conduction block are provided with exhaust holes, the fan is located in the head-mounted frame and connected to the head-mounted frame through a backing plate, the fan is electrically connected to the power supply, and the PLC controller Located in the control box and electrically connected to the power supply. The invention provides a head-mounted air umbrella, which has good rain-shielding effect, simple operation and strong practicability.

The invention relates to an electroplating device. The electroplating device comprises an electroplating bath, a delivery mechanism and multiple groups of jet flow components arranged in the electroplating bath, wherein each jet flow component comprises two jet flow pipes vertically arranged side by side; a gap for passing of a circuit board is left between the two jet flow pipes; at least one row of injection hole sets distributed in the axial direction of each jet flow pipe is arranged at the inner side of the jet flow pipe; the rows of injection hole sets of the two jet flow pipes are arranged opposite to each other; each injection hole set comprises a plurality of injection holes; and the injection holes of the injection hole sets positioned in the opposite rows are arranged in the axial direction of the jet flow pipe in a staggered manner. The injection hole is of a hole-like structure, so that the circuit board can not be scratched; when the injection holes of the opposite rows are staggered, opposite injection of the injection holes of the two rows can be avoided, thus improving the hole debubbling effect; and impact forces of electroplating solutions injected by the injection holes of the two opposite rows on the circuit board are the same, so that circuit board swing and jet flow pipe collision can be effectively avoided, and the jet flow pipe can be prevented from scratching the circuit board.

Provided are an air knife assembly and a drying device, wherein the air knife assembly comprises two vertical and side-by-side air ducts (100); a gap is provided between the two air ducts (100) for allowing a circuit board (500) to pass through therefrom; at least one row of vent hole group distributed axially along the air ducts (100) is provided along an inner side of each air duct (100); each row of vent hole group of the two air ducts (100) is oppositely arranged; each vent hole group comprises a plurality of vent holes (101); and the vent holes (101) of the vent hole group located in the inner row are each alternately arranged along the axial direction of the air duct (100).

The invention discloses a multi-input and one-out 3D printing color mixing nozzle which can be equipped with a camera, which includes a main cavity, a stirring mechanism, a nozzle, a fan and a camera. The main cavity includes a preheating cavity, a heating cavity and a The heat preservation chamber is provided with a plurality of feeding ports on the preheating chamber, each feeding port is arranged on an outer wall of the preheating chamber and penetrates inwardly, the side wall of the heating chamber is provided with a first heater, and the side wall of the heat preservation chamber is provided with There is a second heater, the stirring mechanism includes a stirring motor, a guide rod, a mixer and a booster rod, the guide rod is fixed on the output shaft of the stirring motor, the mixer is fixed in the middle of the guide rod, and the booster rod is fixed on the guide rod The nozzle is installed at the bottom of the flow rod and the bottom of the booster rod, the fan is installed outside the main cavity and blows air to the nozzle, the camera is installed outside the main cavity and the lens faces the nozzle, so that the feeding, mixing and extrusion processes are relatively independent, improving the The uniformity of the extruded material in terms of viscosity, thickness, color, etc.

The invention discloses a passenger allocation system and method. The system includes a passenger allocation area, several boarding areas, a station control system, several identity terminals and at least one first sensing device. The passenger allocation area includes at least one allocation area entrance, and passengers The allocation area is connected to the entrance of each boarding area; the identity terminal records passenger information, and the entrance of the allocation area is provided with a first sensing device, which is used to collect passengers in each identity terminal entering the entrance of the allocation area information, and send passenger information to the station control system; the station control system is used to obtain vehicle information in each boarding area, and the station control system is also used to match each identity terminal to a boarding station according to passenger information and vehicle information zone and direct each ID terminal to the matching pick-up zone entrance. The invention can realize rapid passenger-vehicle matching when there are multiple people and multiple vehicles, and passengers with the same destination or similar destinations can be paired to ride, thereby improving the efficiency of ride allocation.