54results about How to "Adjust flow speed" patented technology

The invention relates to a high-temperature-resistant high-metal-effect plastic paint and a preparation method thereof. The preparation method comprises the following steps: sequentially adding 20-30 wt% of acrylic resin A, 20-35 wt% of acrylic resin B, 10-20 wt% of polyester resin, 2-3 wt% of catalyst, 0.2-1.0 wt% of acrylic leveling agent, 0.2-0.8 wt% of organic silicon leveling agent, 0.5-1.0 wt% of weather-resistant assistant and 15-25 wt% of mixed solvent, slowly stirring, and stirring at the high speed of 600-800 rpm for 15 minutes to obtain the high-temperature-resistant high-metal-effect plastic paint. Compared with the prior art, the method enhances the high temperature resistance, high metal effect, wear resistance and other properties of the plastic paint.

The invention relates to a filling valve for filling a container to be filled with a product to be filled, the valve having a product outlet (5) for injecting the product to be filled into the container to be filled and capable of sealingly holding Valve cone (3) in the first valve seat (7), which is moved into the first valve seat (7) by the valve cone (3) in the direction of the filling product flow towards the product outlet (5) And for shutting off the filling product flow, wherein a second valve seat (8) is provided for sealingly receiving the valve cone (3), which passes through the valve cone (3) in a direction opposite to the filling product flow direction to move into the second valve seat (8) for shutting off the filling product flow.

The invention discloses a tube-and-tube heat exchanger for chemical production, which includes a support column and a heat exchange tube. A base is installed below the support column, and an outer cylinder is fixed above the support column. The outer cylinder The left side of the outer cylinder is provided with a first medium inlet, and the lower left side of the outer cylinder is provided with a sewage outlet, the upper left side of the outer cylinder is provided with a first medium outlet, and the upper right side of the outer cylinder is provided with a second medium outlet. Two medium inlets, and a second medium outlet is provided on the right side of the outer cylinder, a fixed ring is fixed on the outside of the outer cylinder, spacers are installed at both ends of the heat exchange tubes, and the heat exchange tubes are located outside Inside the cylinder, a baffle device is installed in the middle of the outer cylinder. The tube-and-tube heat exchanger for chemical production has a relatively solid shell, which can flexibly adjust the flow direction of the fluid, thereby flexibly adjusting the flow speed of the fluid and the efficiency of heat exchange.

The invention discloses bean curd sheet preparation equipment and aims to provide thin bean curd sheet processing equipment which is consistent in product size, uniform in thickness and high in yield. The bean curd sheet preparation equipment comprises a net-shaped conveyor belt (13) arranged on a rack (1) through a roller shaft (7), wherein the conveyor belt is driven by a motor (4) fixed on the rack (1) through a transmission mechanism; the motor (4) is fixed on the rack (1); the transmission mechanism consists of a small chain wheel fixed on a shaft of the motor, a big chain wheel (6) fixed on the roller shaft (7), and a chain (5) connecting the small chain wheel with the big chain wheel (6); a bottom-layer filter cloth roller (15), a surface-layer filter cloth roller (18) and a slurry slot (16) are arranged above the conveyor belt (13); the slurry slot is positioned between the bottom-layer filter cloth roller (15) and the surface-layer filter cloth roller (18). The bean curd sheet preparation equipment is simple in structure, convenient to operate, and capable of replacing manual operation to realize continuous production, and is bean curd processing equipment.

The invention belongs to high building fire self-rescuing technology, and discloses a safety landing device for high building. Fire self-rescuing escape is realized by sliding down from high altitude through apparatuses and ropes in the prior art, but the prior art has the defects that large space and floor are occupied when the ropes are obliquely arranged and persons with weak physical quality are unsafe during sliding down with the apparatuses. The exteriors of a landing cover (2) and a tied rope (3) are provided with a protective barrel (5), the protective barrel (5) is cylindrical, and the inside diameter of the protective barrel (5) is 6 to 16 millimeters more than the outside diameter of the landing cover (2); the lower part of the cylindrical protective barrel (5) is provided with a rotary table (6), and the lower part of the rotary table (6) is connected with a rotary shaft (8); and the lateral surface of the lower part of the protective barrel (5) is provided with an exit door (7), and the middle part of the protective barrel (5) is provided with an entrance door (11). The safety landing device has simple structure and low cost, can be used with buildings of various different heights, can be used for continuous landing of multiple persons, and has high utilization efficiency and landing safety.

The present invention relates to a drain pump for a clothes-handling apparatus, comprising: a housing for accommodating water; a water flowing part formed on the inner peripheral surface of the housing, and having an impeller for forming a flowing current of water or washing water such that the accommodated water or washing water circulates to a tub or is drained to the outside of a washing machine; a drain pump chamber formed on the inner peripheral surface of the housing so as to receive or store the water or the washing water before the water or the washing water flows into the water flowing part; and an inlet formed between the water flowing part and the drain pump chamber so as to protrude toward the water flowing part.

The invention discloses a return air temperature control mechanism, a return air temperature control method, an operation control device and a refrigerator. The return air temperature control mechanism comprises a rotating disc, a driving device for controlling the rotating disc to rotate and at least two temperature control chambers, each temperature control chamber comprises an air supply opening and an air return opening, and the air supply outlet of at least one temperature control chamber is provided with an air supply control part; and the rotating disc is provided with a communicating opening corresponding to the air return openings, the driving device controls the rotating disc to rotate according to the temperature control request, the communicating opening is made to be communicated with the air return opening of the temperature control chamber corresponding to the temperature control request, the air supply control part acts according to the temperature control request, and the temperature control request is used for controlling the temperature of the corresponding temperature control chamber. Opening and closing of the return air openings of the multiple temperature control chambers are controlled through the rotating disc, and meanwhile, the air supply states of the air supply openings are controlled through the air supply control part, and air circulation channels are formed in the temperature control chambers, so that the temperature control requirements of multiple temperature areas can be met, occupied space is reduced, and cost is reduced.

The invention discloses a return air temperature control mechanism, a return air temperature control method, an operation control device and a refrigerator. The return air temperature control mechanism comprises a rotating disc, a driving device for controlling the rotating disc to rotate and at least two temperature control chambers, each temperature control chamber comprises an air supply opening and an air return opening, and the rotating disc is provided with a communicating opening corresponding to the air return openings; and the driving device controls the rotating disc to rotate according to the temperature control request, so that the communicating opening is communicated with the air return opening of the temperature control chamber corresponding to the temperature control request, and the temperature control request is used for controlling the temperature of the temperature control chambers. The rotating disc is used for controlling the opening and closing of the return air openings of the multiple temperature control chambers, so that the temperature control requests of a plurality of temperature zones can be met, and the occupied space and the cost are reduced.

The invention discloses a return air temperature control mechanism, a return air temperature control method, an operation control device and a refrigerator. The return air temperature control mechanism comprises a rotating disc, a driving device for controlling the rotating disc to rotate and at least one temperature control chamber group; the temperature control chamber group comprises two adjacent temperature control chambers, and the two temperature control chambers are provided with a semiconductor refrigerating assembly in a penetrating manner; the semiconductor refrigerating assembly comprises a hot end and a cold end, the hot end faces one temperature control chamber, and the cold end faces the other temperature control chamber; each temperature control chamber comprises an air supply port and an air return port; and the rotating disc is provided with a communicating port capable of corresponding to the air return ports. The semiconductor refrigerating assembly can control the temperature of the cold end and the hot end according to the temperature requirements of the temperature control chambers, therefore, different temperature control can be carried out on the plurality of different temperature control chambers at the same time, the temperature change range of the temperature control chambers can be expanded, and wide-range temperature adjustment of the temperature control chambers is achieved.

The invention discloses a numerical control lathe with an automatic oil supply function, and relates to the technical field of numerical control lathes. The numerical control lathe with the automatic oil supply function comprises a lathe body, a machining area is formed in the center of the front side of the lathe body, the bottom of the machining area is inclined and provided with a clamp, a driving device is embedded and fixed to the left side, an output shaft on the right side of the driving device is fixed to a rotating shaft, and an oil storage tank is arranged at the top of the driving device. According to the numerical control lathe with the automatic oil supply function, lubricating oil can be stored by arranging the oil storage tank, automatic oil supply operation can be conducted between the driving device and the output shaft of the driving device by arranging a self-adaptive oil supply device, so that resistance between the driving device and the output shaft of the driving device is reduced, and a certain cooling function can be achieved on the output shaft; and meanwhile, a temperature control adjusting mechanism is arranged, so that the oil supply amount can be adaptively adjusted according to the temperature of the driving device, and the oil supply amount is controlled according to the actual temperature.

The invention provides a magnetic heat dissipation device. The heat dissipation device comprises an annular sealing pipeline, wherein magnetic liquid is filled in the annular sealing pipeline; the annular sealing pipeline is provided with at least one horn-shaped electrifying solenoid; the annular sealing pipeline comprises at least one heat absorption section and at least one heat dissipation section, and direct current is introduced into the electrifying solenoid. If there are multiple electrifying solenoids on the annular sealing pipeline, the small end of each electrifying solenoid pointsto the clockwise or counterclockwise direction of the annular sealing pipeline, and the current flowing in all electrifying solenoids is in the same direction. The heat dissipation device adopts the horn-shaped electrifying solenoid as power equipment, and works in an active, efficient and silent heat dissipation mode.

The invention relates to a low-cost and high-efficiency tool structure for battery shell glue filling. The low-cost and high-efficiency tool structure comprises a bottom plate, wherein a left side plate and a right side plate are formed on the two sides of the bottom plate correspondingly, a plurality of limiting blocks are arranged on the bottom plate, a side adjusting screw is in threaded connection with the right side plate in the transverse direction, one end of the side adjusting screw penetrates through the right side plate to be connected with a lining pad, and the left side of the bottom plate is connected with a glue inlet valve; the right side of the bottom plate is connected with a glue outlet valve, and a left air outlet hole and a right air outlet hole are formed in the glue outlet valve; and a support is arranged at the bottom of the bottom plate, a sealing pull strip is arranged on the support, the sealing pull strip is attached to the bottom end of the glue outlet valve, a pull strip hole is formed in the sealing pull strip, and the pull strip hole communicates with the left air outlet hole or the right air outlet hole. According to the low-cost and high-efficiency tool structure, through the tool automatic glue filling structure, the glue flowing speed of a glue inlet pipe is effectively adjusted, full filling glue is conveyed to a left glue filling loop and a right glue filling loop of a glue filling shell correspondingly, stable sealing of the glue is completed, and the consistency of glue filling is improved.