9results about How to "Reduce operating current" patented technology

This utility model relates to a magnetic swirling arc electrode and a plasma generator. The magnetic swirling arc electrode includes an electrode base, a first electrode, a second electrode, a magnetic device, and a swirling ring. The electrode base has a working gas flow channel. The first and second electrodes are insulated from each other and are disposed on the electrode base. The second electrode is axially hollow to form an arc channel and is sleeved outside the first electrode. The magnetic device is disposed on the second electrode to generate an axial magnetic field within the arc channel. The swirling ring is disposed between the working gas flow channel and the arc channel, which are connected by multiple vent holes on the circumferential direction of the swirling ring. The centerline of the vent holes is inclined relative to the axis of the swirling ring and does not pass through the axis of the swirling ring. This magnetic swirling arc electrode can make the generated plasma distribution more uniform, improving the stability and uniformity of the plasma. The magnetic device can increase the arc operating voltage within the arc channel, reduce the operating current at the same power, and improve electrode life.

The application relates to the technical field of accelerator control, in particular to a focusing coil control system of an accelerator, which comprises a front-end ion pump acquisition module, a tail-end ion pump acquisition module and a processing module. The front-end ion pump acquisition module is used for acquiring a first ion pump current value of the front-end ion pump; the tail-end ion pump acquisition module is used for acquiring a second ion pump current value of the tail-end ion pump; the processing module is used for generating a group of coil control parameters according to the first ion pump current value and the second ion pump current value; and a plurality of coil control modules are used for respectively adjusting the coil current of each focusing coil according to the coil control parameters, so that the first ion pump current value and the second ion pump current value are minimized. The beneficial effect is that the coil control parameters of the focusing coil are automatically changed according to the running current by the processing device, so that the running current of the ion pump is minimized, the rapid debugging of the focusing coil of the accelerator is realized based on the above process, and the optimal beam distribution is realized.

This invention discloses a method for expanding a desulfurization system and a method for reducing the resistance of its inlet and outlet air vents, belonging to the field of environmental protection and energy-saving production technology transformation. The device of this invention includes a desulfurization system comprising a desulfurization tower body and a ventilation unit. The desulfurization tower expansion unit includes a desulfurization tower body with a 3m height increase section added above the original spray layer, and an additional spray layer and a matching slurry circulation pump inside the tower. The ventilation unit includes a relocated kiln tail fan, with the fan inlet and the vertical air duct of the bag dust collector outlet coaxial, and the outlet coaxial with the desulfurization tower inlet. This invention achieves stable ultra-low SO₂ emissions from cement kiln tail flue gas through desulfurization system expansion, with an outlet concentration ≤35mg / Nm³, meeting the environmental performance level A requirements. It can solve the problems of existing desulfurization systems having many bends and large bending angles in the inlet and outlet air ducts, resulting in high system ventilation resistance and high reactive power consumption of the kiln tail fan, which is not conducive to the power consumption and energy consumption control of the production line.

The invention relates to a device for preventing slurry in a desulfurizing tower from precipitating, a first discharge port, a second discharge port and a feed port are formed in the desulfurizing tower, the first discharge port is positioned above the feed port, and the second discharge port is positioned below the feed port; the pressure pump is arranged on the outer side of the desulfurization tower; one end of the first discharging pipe is communicated with the first discharging opening, and the other end of the first discharging pipe is communicated with a feeding opening of the pressurizing pump; one end of the slurry delivery pipe is communicated with the discharge port of the pressure pump, and the other end of the slurry delivery pipe is communicated with the feed port; the slurry disturbing mechanism is arranged in the desulfurizing tower, the slurry disturbing mechanism is communicated with the feeding hole, and the slurry disturbing mechanism is used for jetting and impacting slurry in the desulfurizing tower, so that solid particles in the slurry are in a suspended state; the first control switch is arranged on the first discharging pipe, one end of the second discharging pipe is communicated with the second discharging port, the other end of the second discharging pipe is connected to the portion, between the first control switch and the pressure pump, of the first discharging pipe, and the second control switch is arranged on the second discharging pipe.

The utility model discloses a kind of air duct devices of electromagnetic valve auxiliary louver opening and closing air outlet, belong to transformer technical field, including upper seal plate, the inside wall of upper seal plate is equipped with mounting bracket and fan mounting plate, the mounting bracket is located in fan mounting plate, the upper seal plate another side wall is equipped with outer wind cover and position sensor, the position sensor is located in outer wind cover, the lower end of outer wind cover is equipped with protection assembly, the upper seal plate is equipped with fixed frame, the fixed frame is sequentially movably installed with multiple groups of self-vertical louver from top to bottom, the self-vertical louver is movably installed with connecting assembly;Change the existing air duct air outlet structure, increase auxiliary electrical element, so that axial flow fan can operate in better operating environment;Reduce wind resistance when operating;Reduce the operating current of fan;Increase the air volume of air outlet;Increase the service life of fan.

This invention discloses a process for stabilizing the cooling water supply temperature of a blast furnace, relating to the field of blast furnace ironmaking equipment cooling technology. The process includes the following steps: acquiring first and second real-time operating parameters and real-time status parameters of a shared spray water system; determining the smelting load difference between the first and second blast furnaces based on the first, second, and real-time operating parameters and the real-time status parameters; generating a linkage control command when the smelting load difference meets a preset linkage trigger condition; and allocating the number of air coolers in the first and second blast furnaces to operation by adjusting the linkage control valves between the air cooler branch pipes of the first and second blast furnaces according to the linkage control command. This invention relies on the existing shared spray water system, eliminating the need for adding a large number of new spray water devices, and achieving on-demand allocation of cooling capacity only through linkage and minor equipment modifications.

The utility model discloses a motor upper casing, which comprises an upper casing and a support fixedly arranged at the top of the upper casing, a circular through hole is arranged at the center of the top wall of the upper casing, a blind hole position for a motor rotating shaft to insert is arranged on the support right above the circular through hole, the blind hole position and the circular through hole are concentrically arranged, and the top surface of the blind hole position is a plane. The utility model also discloses a motor comprising the motor upper casing. The blind hole position is arranged on the support right above the upper shell, one end of the motor rotating shaft is inserted into the blind hole position, and the top face of the blind hole position can abut against the end face of the motor rotating shaft, so that axial limiting of the motor rotating shaft is achieved, and a traditional spindle radial fixing mode is replaced. The motor rotating shaft and the top surface of the blind hole position are fixed in a shaft end axial contact manner, and the arc-shaped end surface of the motor rotating shaft and the top surface of the blind hole position are in point contact, so that the friction force is greatly reduced, and the improved motor has the advantages of low noise, low running current, less heat and low vibration.

A photovoltaic tracking system with special cross section and eccentricity overcoming device, the main beam cross section is a rounded square tubular structure; the eccentricity overcoming device is installed between the common column and the main beam of the photovoltaic tracking system, and comprises a mechanism support, a mechanism body and a mechanism fixing seat which cooperate with each other; the mechanism support is fixed on the main beam, and the mechanism fixing seat is fixed below the common column of the photovoltaic tracking system; the mechanism body comprises a hydraulic cylinder and a cylinder barrel which cooperate with each other, the upper end of the cylinder barrel is hinged on the mechanism support and moves under the drive of the mechanism support on the main beam, the tail end of the hydraulic cylinder is hinged on the mechanism fixing seat and forms relative movement with the cylinder barrel, the limiting structure of the cylinder barrel and the two springs act on the springs respectively to compress the springs and generate a thrust on the mechanism support to overcome the gravity eccentricity of the rotation of the photovoltaic tracking system, the torsional performance of the main beam is improved and the torsional deflection is reduced, the damping effect is achieved, and the rotation eccentricity of the photovoltaic tracking is overcome.

The utility model discloses a motor lower casing including a lower casing, an elastic washer, a lower cover and a shaft sleeve, the center of the bottom wall of the lower casing is provided with a circular through hole, the elastic washer is fixed at the bottom of the lower casing, the inner side of the elastic washer is provided with a plurality of elastic sheets, the plurality of elastic sheets are located right below the circular through hole, the inner side of each elastic sheet is a free end, and the end face of each elastic sheet is an arc surface. The arc surfaces of the elastic pieces form a mounting hole matched with the shaft sleeve in shape, the shaft sleeve is clamped into the mounting hole, and a blind hole position used for abutting against the end face of a motor rotating shaft is formed in the center of the top of the shaft sleeve. By arranging the shaft sleeve, the motor shaft end and the top surface of the blind hole of the shaft sleeve can fully press and rotate, the up-and-down movement of the motor rotating shaft is reduced, meanwhile, by arranging the elastic pieces, the motor rotating shaft can be buffered when moving up and down, the friction force of the motor rotating shaft during rotation is greatly reduced, and the service life of the motor rotating shaft is prolonged. Therefore, the improved motor has the advantages of low noise, small running current, less heat and small vibration.