36results about How to "Reduced power configuration" patented technology

The invention discloses operation modes and a structure of a heat-circulation heat pump drying unit. The structure is characterized in that the drying unit comprises a heat recovery air duct which forms a sealed air flow circulation loop with the inner cavity of the drying oven, an evaporator is installed in the air duct, and an air regulator for regulating and controlling the air flowing through the evaporator is arranged in the unit. The operation modes are a heating mode and a heat-circulation dehumidification mode. In the early operation stage of the unit, the heating mode is started, the heat pump system absorbs heat from the atmosphere, so that the air in the drying oven is heated to achieve the preset temperature; and then, the unit operates the heat-circulation dehumidification mode, the high-temperature high-humidity gas in the drying oven flows through the evaporator in the air duct to be cooled and dehumidified and then flows back to the drying oven, the sensible heat and latent heat absorbed by the evaporator are released into the drying oven by a condenser, and the air regulator enables the ratio of the condensation air quantity to evaporation air quantity to be greater than 2 and controls the inlet/outlet air temperature difference of the evaporator to be 10-25 DEG C. The unit has the advantages of high average COP and high latent heat ratio in the heat absorbed by the evaporator; and the dehydrating amount per kilowatt-hour is 5 kilograms or above, so that the efficiency is enhanced by 70-130% as compared with the conventional heat pump drying.

The invention discloses a low-energy-consumption and ultraclean-emission flue gas desulfurization method and device and belongs to the field of flue gas pollution treatment. According to the invention, desulfurization slurry is divided into two independent desulfurization spraying slurry circulating systems and a three-circulation desulfurization process of a double-slurry collection device (a slurry tank/box), double-slurry density and control of pH values of slurry of different regions is adopted so that the aims of lowering energy consumption and meeting the requirements of ultraclean or near-zero emission of PM and SO2 are realized. The double-slurry tank/box is arranged, the different slurry densities of the double-slurry tank/box is controlled, the pH values of the slurry in the different regions are controlled and the two independent slurry circulating systems are formed, so that the aims that the solid content of desulfurized pure flue gas liquid drops is lower than 10% and the system desulfurization efficiency is more than 99% are realized; and a slurry tank outside a tower is arranged at a high liquid level and fewer spraying layers are arranged so that the aims of lowering the power of a circulating pump and reducing the operation power consumption of the desulfurization are realized.

The invention discloses a double-speed feeding machine which mainly solves the technical problem of higher motor radial loads due to longer motor output shafts of existing double-speed feeding machines. The double-speed feeding machine comprises a feeding shaft, a lifting shaft, a fixed crossbeam and an end picker. The lifting shaft is mounted on the crossbeam, the feeding shaft is slidably connected onto the lifting shaft, the end picker is slidably connected onto the feeding shaft, and a synchronous feeding device is arranged in the feeding shaft and comprises a synchronous belt and a synchronous wheel. The synchronous belt is fixedly connected with the end picker and the lifting shaft, a feeding motor is arranged on the lifting shaft, and the feeding motor and the feeding shaft are in transmission through a gear rack pair. The double-speed feeding machine is mainly applied to conveying machinery needing to move quickly at the X-axial direction.

The invention relates to a swing-type balance intelligent control oil extractor which is mainly characterized in that the machine frame is in cantilever structure with extending top. The extending end of the machine frame is provided with a suspension rope wheel. A reversing mechanism is formed by a driving reversing wheel and a driven reversing wheel with a positive rope groove and a negative rope groove; the driving and the driven reversing wheels are connected through a reversing pull rope, the driven reversing wheel is fixedly connected with a suspension rope. A balancing mechanism adopting the swing-type balance is connected with the reversing mechanism through a bridge shaft in linkage; a motor is connected with a motor vector control cabinet which is connected with an intelligent control device through a data bus; wherein, the intelligent control device is connected with a flow sensor for monitoring the swabbing flow through a signal transmitting line. The oil extractor which can automatically control the stroke frequency and the stroke of the oil extractor according to the underground conditions, improve the motor efficiency and reduce the labor intensity, the invention has the advantages of simple structure, high balance degree and reliable performance as well as saving the electric energy and decreasing the producing and using cost, etc.

The invention provides a novel reducer for pumping units and solves the problem that the existing motor for pumping units operates under low power factor. An output shaft of the reducer comprises a hollow shaft and a solid shaft. The hollow shaft and the solid shaft are connected with a secondary balance weight and a primary crank balance weight in a pumping unit respectively. Speed ratio of the hollow shaft to the solid shaft is 1:2. When the pumping unit is in upward stroke, the motor, the primary crank balance weight and the secondary balance weight pull a sucker rod to move up. When the pumping unit is in downward stroke, the motor, the secondary balance weight and a sucker rod weight pull the primary crank balance weight to move up. Therefore, power configuration of the motor is reduced greatly, pulling small cars with high horsepower is avoided, motor efficiency is improved, and energy consumption is lowered.

The invention discloses a climbing control method of a large inclination angle heading machine with an auxiliary climbing device. The used large inclination angle heading machine comprises a rack, an upper supporting part and the auxiliary climbing device. The climbing control method comprises the steps of climbing supporting, climbing auxiliary driving force providing, stepping moving and the like. According to the climbing control method of the large inclination angle heading machine with the auxiliary climbing device, a travelling hydraulic motor and an auxiliary driving hydraulic motor are controlled simultaneously to output power to provide larger driving force; at the time of stepping, the upper supporting part stretches out to support at a roadway top plate in a matched mode to enable the large inclination angle heading machine to be positioned steadily, then the auxiliary climbing device is lifted, and the auxiliary driving hydraulic motor is rotated reversely, so that a bearing base plate steps and move forward by a step pitch, and controlling is simple and rapid. Under the premise that slide-down of the heading machine is effectively prevented, the heading efficiency is improved, and the potential safety hazard is reduced. The climbing control method of the large inclination angle heading machine with the auxiliary climbing device is especially suitable for excavating and heading of a roadway with the large inclination angle being +/-25 degrees.

The invention discloses a tension holding structure of a prefabricated track plate prestressed tendon. The tension holding structure includes a first gear, a second gear, a first driving component, asecond driving component, a connecting seat, a guide rail, an elastic component, and tension rods connected to the two ends of the prestressed tendon. By application of the tension holding structure of the prefabricated track plate prestressed tendon, after a prestressed steel bar is tensioned, when the elastic component fits the periphery of the second gear on the periphery of the first gear, pressure is provided for the first gear, ensuring that after the first gear rotates, gear teeth of the first gear can be meshed with a toothed groove of the second gear, the first driving component drives the first gear to rotate, the first gear rotates to drive the second gear to rotate, the second gear axially moves along the tension rods while rotating, and draws close to and is attached to the track plate die wall, a tension state of the prestressed steel bar is retained continuously by using a fastening and self-locking function of threaded connections, the prestressed loss that may be caused by an existing anchor plate mode is overcome, and it is ensured that the track plate tensioning is qualified.

The invention discloses elevator emergency rescue method and equipment and a computer readable storage medium. The method comprises the steps that after an elevator is started, an output voltage reference value of an elevator controller in a zero servo state is obtained; when the elevator controller obtains an elevator rescue signal, an elevator rescue mode is determined according to rescue input voltage and the output voltage reference value; and the elevator controller controls an elevator car to run to a leveling position according to the elevator rescue mode. On the premise that rescue is safe and reliable, the power configuration of a rescue module in the elevator is greatly reduced, and the cost of the rescue equipment is reduced.

The invention discloses an energy-saving and environment-friendly movable electric heating tank and a heating method thereof. The energy-saving and environment-friendly movable electric heating tank comprises a tank body, a semitrailer underframe, a heating system and an electronic control system, wherein the heating system comprises an oil filling circular pipeline, a heating and dehydrating filter circulating pipeline inside the tank, a heating main circulating pipeline inside the tank, a heating circulating pipeline outside the tank and an overpressure protection pipeline; the electronic control system comprises a heating liquid temperature detecting device arranged outside the tank, a heat conducting oil temperature detecting device arranged in a heating casing pipe group and a control device arranged in an equipment zone. According to the energy-saving and environment-friendly movable electric heating tank disclosed by the invention, the defect that an existing heating tank needs to be matched with a heat conducting oil furnace can be overcome; the energy-saving and environment-friendly movable electric heating tank has the advantages of simple structure, low investment, energy saving, environment friendliness, simple operation and convenient transportation and transition.

The invention relates to a full-range pulse-width modulation charging technology for photovoltaic power generation. The full-range pulse-width modulation charging technology comprises a solar component, a switch circuit, a storage battery, an energy-storage capacitor, a central processor and a sampling circuit. Due to the arrangement of the energy-storage capacitor and the adoption of a PWM (pulse-width modulation) control method, the capacitor voltage can be controlled, so that the maximal power point of the solar component can be found out and the tracking of the maximal powder point of a photovoltaic module can be achieved. The charging method of keeping the pulse-width modulation mode all the time in a charging process is achieved, so as to improve the utilization rate of the component and reduce the vulcanization degree of the storage battery, so that the purposes of prolonging the service life of the storage battery and reducing the configuration cost of the component are achieved.

The invention relates to the technical field of excrement cleaning in livestock and poultry breeding, discloses a transverse railing lower side based external excrement scraping device and an operating method thereof and aims to solve problems of high labor intensity and low operating efficiency in manual outward transporting of excrement, severe water waste, high sewage treatment amount and environmental pollution in excrement flushing and poor pig raising environment in mechanical excrement scraping. The transverse railing lower side based external excrement scraping device comprises transverse railings, excrement scraping gutters, shielding plates, bidirectional excrement scraping components, connection ropes, pull ropes, corner wheels and an excrement collection tank. The transverse railings are arranged among pens in a whole row; the excrement scraping gutters are formed under the ground below the transverse railings; the connection ropes are connected with pull rings on the bidirectional excrement scraping components; the pull ropes are connected with the pull rings on the bidirectional excrement scraping components in the excrement scraping gutters at two ends of a housing through power transmission devices; the corner wheels are fixed to a base on the outer side of the excrement collection tank opposite to the excrement scraping gutters; the excrement collection tank isarranged under the ground between the excrement scraping gutters and the corner wheels. The transverse railing lower side based external excrement scraping device is used for excrement cleaning in livestock and poultry breeding.

The invention discloses an energy-saving quenching launder, and belongs to the field of heat treatment equipment. The energy-saving quenching launder comprises a quenching inner cylinder and an installation outer cylinder which are relatively fixed and coaxially arranged, the quenching inner cylinder comprises a quenching working area and a dynamic pressure energy storage area which communicate with each other up and down, the cross-sectional area of the quenching working area is the same in the length direction of the quenching working area, a power device is arranged on the side, towards thecylinder bottom of the installation outer cylinder, of the dynamic pressure energy storage area, a cooling medium inlet pipe is arranged on the side wall of the installation outer cylinder, an overflow groove is formed in an opening of the installation outer cylinder, and a hot medium outlet pipe is arranged in the overflow groove; and an internal circulation area is formed between the quenchinginner cylinder and the installation outer cylinder, and a cooling medium and a quenching medium sequentially pass through the bottom of the internal circulation area, the power device, the dynamic pressure energy storage area, the quenching working area and the top of the internal circulation area to form a circulation line. According to the energy-saving quenching launder, relevant principles ofhydrodynamics are fully utilized, various energy losses caused by eddy flow, turbulent flow, internal friction and the like of liquid are fully considered, conversion of kinetic and potential energy is fully utilized, the situation that the requirements of product processing are met by the flow rate of a working medium through application performance, and meanwhile the energy-saving effect is alsovery obvious.

The invention provides a multifunctional free clutch, solves the technical problems of alternated input and cross superposition of multiple inputs, and belongs to the technical field of mechanical transmission. The clutch is structurally characterized in that a set or more than a set of planetary gear train is arranged in a planetary gear train framework; the planetary gear train consists of an input planetary gear, an output planetary gear and a planetary gear shaft in spline connection; and a sun gear train consists of an output shaft and an output sun gear in spline connection, the output sun gear is meshed with the output planetary gear, the output shaft is connected with a shaft sleeve to drive an integral input sun gear, and the input sun gear is meshed with the input planetary gear. The clutch has the functions of two electromagnetic clutches during use, has the advantage of free change of non-neutral time and speed, can also be used as a decelerator, has the function of a differential mechanism, can be used for synthesis of speed, and has wide application.

The invention belongs to the technical field of blast furnace smelting, and relates to a hydraulic clay gun differential control loop and a control method. The control loop comprises a mud beating control loop and a rotation control loop which are independent of each other, an oil inlet P1 of a first reversing valve communicates with an oil supply pipeline P through an oil duct, an oil return opening T1 of the first reversing valve communicates with an oil return pipeline T through an oil duct, and an oil drainage opening Y1 of the first reversing valve communicates with an oil drainage pipeline L through an oil duct; and hydraulic oil output by a first output oil port A1 of the first reversing valve is divided into two paths which respectively communicate with a first working port and a second working port of a clay gun rotating oil cylinder. The rotary control loop cancels the control of a rotary hydraulic lock, the rotary impact is reduced, and the rotary back pressure of the clay gun can be adjusted according to the load; and a differential control loop formed by a second hydraulic control one-way valve, an overflow valve, a first hydraulic control one-way valve, a first throttling valve and a first ball valve is adopted, so that the rotating stop position of the clay gun has good stability, the rotating flow of the clay gun is increased, and the rotating speed is increased.