11results about How to "Reduce installed power" patented technology

The invention relates to the technical field of mine refrigeration and cooling, in particular to a mine refrigeration and cooling pipeline arrangement system. The water outlet end of a main circulation pipeline is connected with the water inlet end of a cooling device to form a closed circulation loop; the main circulation pipeline is laid in the extending direction of the roadway and serves as a liquid supply mother pipe of each refrigerating unit. The branch pipelines of the refrigerating units are respectively led out from different positions on the main circulation pipeline; the negative pressure water return devices are installed on the main circulation pipeline in series, and each negative pressure water return device is located behind the branch pipeline leading-out point of the refrigerating unit corresponding to the negative pressure water return device and in front of the branch pipeline leading-out point of the next refrigerating unit and used for forming an alternate series-connection arrangement structure. Through alternate series arrangement, the dual functions of liquid supply and water return of the main circulation pipeline are achieved, the pipeline layout is greatly simplified, the roadway space occupation is reduced, the installation cost and the leakage risk are reduced, and the system adapts to complex working conditions of mines.

The utility model relates to the technical field of coal separation, in particular to an intelligent raw coal dry separation system which comprises a raw coal bin, the raw coal bin is communicated with a raw coal roller screen through a belt conveyor, the raw coal roller screen is respectively communicated with a slack coal roller screen and a raw coal crusher, and the raw coal roller screen is communicated with the raw coal crusher through a manual separation belt conveyor. The slack coal roller screen is communicated with a mixed coal bunker belt conveyor through a slack coal transfer belt conveyor, and the mixed coal bunker belt conveyor is communicated with a mixed coal bunker through a mixed coal bunker distribution belt conveyor; the slack coal roller screen and the raw coal crusher are communicated with the linear screen, the linear screen is respectively connected with the slack coal transfer belt conveyor and the intelligent dry separator, the intelligent dry separator is communicated with the gangue crusher, and the gangue crusher is communicated with the gangue bin through the gangue bucket elevator. Raw coal is subjected to intelligent dry separation, clean coal dirt band is reduced, the clean coal yield is improved, the clean coal yield is maximized, the quality of the clean coal yield is improved, the photoelectric intelligent dry separator does not need water, manpower is greatly saved, and the production efficiency is improved.

A steering gear loading system comprises a steering system, a small loading oil cylinder, a large loading oil cylinder, a first loading system, and a second loading system. The small and large loading oil cylinders are symmetrically connected on both sides of the steering plate. The first and second loading systems have the same structure and both include an oil replenishment pump, five electromagnetic ball valves, and two accumulators. One end of the first and second electromagnetic ball valves are both connected to the oil tank through the oil replenishment pump, the other end of the first electromagnetic ball valve is connected to one end of the third electromagnetic ball valve and the oil inlet and outlet of the first accumulator, the other end of the second electromagnetic ball valve is connected to one end of the fourth electromagnetic ball valve and the oil inlet and outlet of the second accumulator, the other ends of the third and fourth electromagnetic ball valves are respectively connected to the two oil chambers of the small loading oil cylinder or the large loading oil cylinder, and the two ends of the fifth electromagnetic ball valve are respectively connected to the two oil chambers of the small loading oil cylinder or the large loading oil cylinder. The present invention not only realizes the accurate simulation of multiple different load conditions, but also has low loading noise and vibration and low cost.

The utility model discloses a plate and strip coining device which is characterized in that a spiral lifting device is arranged at the top of a rack, the bottom of the spiral lifting device is connected with an upper wringing roller pneumatic opening device, the bottom of the upper wringing roller pneumatic opening device is connected with an upper wringing roller, a scraper device is fixed on the rack, two ends of an upper compression roller are fixed on an upper sliding frame of the rack, and the upper compression roller is connected with a lower sliding frame of the rack. The two ends of the lower pressing roller are fixed to the lower sliding frame, the bottom of the lower squeezing roller is connected with the lower squeezing roller pneumatic opening device, the lower pressing roller hydraulic lifting device is fixed to the rack, the telescopic end of the lower pressing roller hydraulic lifting device is connected with the lower sliding frame at the top, and the upper pressing roller is a pattern pressing roller. According to the utility model, the number configuration of equipment and the installed power are reduced, the deformation quantity of the steel plate is reduced, the investment and operation cost are reduced, and the surface quality is improved; the investment and the operation cost of equipment are reduced, different pattern rollers are only required to be replaced for producing different patterns, and the machine can also be used as a hot laminating unit, so that the aim of multiple purposes of one machine is fulfilled.

The invention belongs to the technical field of petroleum field operation devices, and particularly relates to a pumping unit which comprises a base, a large frame, a rear support, a motor, a speed reducer, a crank, a lower connecting rod, a rocker, an upper connecting rod, a walking beam, a horse head and a balance weight. The lower connecting rod is connected with the middle part of a rocker; the lower part of the rocker is connected with the rear bracket; the upper part of the rocker is connected with the lower part of an upper connecting rod; the upper part of the upper connecting rod is connected with the rear part of a walking beam; the horsehead is flexibly connected with a wellhead load, and the rear part of the walking beam is connected with a counterweight. Compared with a crank balance beam-pumping unit, the crank balance beam-pumping unit has the beneficial effects that the crank balance beam-pumping unit is simple in structure, the length of the crank is shortened, parts are light in weight, installation and maintenance are convenient, practicability is high, industrial production is facilitated, stress of the crank and the connecting rod is reduced, the net torque peak value on the crank shaft is reduced, the installed power is reduced, and electric energy loss is effectively reduced; and the power-saving effect is obvious. And particularly for low-yield wells, the energy-saving effect is particularly obvious, and the popularization and application prospects are wide.

The invention discloses a room-temperature ultra-high magnetic strength magnetic powder separation device, which belongs to the technical field of sewage treatment. The device comprises a device support, a magnetic cyclone separation component and a strong magnetic adsorption sedimentation component which are arranged on the device support and are interconnected. The magnetic cyclone separation component comprises a separator outer shell arranged on the device support and an external magnetic component arranged on the side wall of the separator outer shell. The strong magnetic adsorption sedimentation component comprises a sedimentation tank arranged on the device support, a permanent magnetic rod clamped in the sedimentation tank, a sleeve valve component arranged in the sedimentation tank and a power component connected to the permanent magnetic rod. The device structure of the invention is reasonably designed, the magnetic powder recovery efficiency is high, the equipment energy consumption is low, and it is suitable for popularization and use.

The present invention discloses a servo press with a variable moment of inertia flywheel, which relates to the technical field of mechanical transmission press equipment, and includes a fuselage, wherein the fuselage includes an energy storage flywheel mechanism, a main power and crankshaft connecting rod mechanism, a working mechanism, a braking mechanism and a position detection mechanism. The present invention uses the energy storage and release effect of the eccentric variable moment of inertia flywheel. During the operation of the servo press, the eccentric variable moment of inertia flywheel can store energy in the non-working stage. At the critical moment when the crankshaft is about to move to the nominal pressure point, the eccentric variable moment of inertia flywheel uses its stored kinetic energy to automatically decelerate and release the stored energy without the need for additional energy input or consumption, thereby achieving the effect of reducing the installed power of the servo press and improving energy utilization.

This invention provides a high-pressure filtration device for sealing ring rubber melt, comprising: a machine base; a conveying assembly disposed on the machine base, the conveying assembly including a conveying pipe for conveying the rubber melt; and a filtering assembly including a filter plate inserted on the conveying pipe, the filter plate being provided with at least two sets of filter screens for filtering impurities. This invention, through the cooperation of a first driving assembly and two sets of filter screens, achieves parallel operation of working and cleaning, avoiding the inefficiency of traditional equipment requiring machine shutdown for filter screen replacement. It introduces a specialized bushing assembly, solving the problem of difficulty in maintaining high-pressure sealing after switching in transverse sliding filter plates. Through active compression sealing, it can withstand higher levels of conveying pressure without leakage. The entire filtration, switching, sealing, and cleaning process forms a closed loop, greatly improving the automation level of sealing ring rubber pretreatment.

The invention discloses a waste acid treatment system and method based on vacuum degassing, the waste acid treatment system comprises a waste acid input unit, a dosing unit, a negative pressure former, a mixing device, a reaction tank and a vacuum tower, the waste acid input unit is communicated with a liquid phase inlet of the negative pressure former, and a top outlet of the vacuum tower is communicated with a gas phase inlet of the negative pressure former; an outlet of the negative pressure former is communicated with a first inlet of the mixing device, an outlet of the dosing unit is communicated with a second inlet of the mixing device, an outlet of the mixing device is communicated with a feed port of the reaction tank, and a discharge port of the reaction tank is communicated with a feed port of the vacuum tower. According to the waste acid treatment system and method, the kinetic energy of a waste acid input source is utilized, negative pressure is generated according to the negative pressure former principle, liquid obtained after vulcanization reaction is desorbed, chemicals are fully recycled, the utilization rate is increased, meanwhile, residual vulcanization chemicals in the liquid obtained after vulcanization reaction are avoided, and safety guarantee is provided for further treatment of waste acid in a downstream workshop section.

The utility model provides an efficient and environment-friendly integrated sand making building. The sand making building comprises a sand making device, a high-frequency screen, a wet mixing machine, a fine sand recoverer and a dust collecting system. Wherein the sand making device is composed of a roll crusher and a vertical shaft crusher, materials sequentially enter a hoister, a material guide pipe and a high-frequency screen for classification through a feeding belt, oversize materials return to the sand making device for closed-circuit crushing, undersize materials are sorted into fine sand and finished sand through the winnowing device, and the fine sand is recycled after being treated through the fine sand recoverer. And the finished sand is output after being humidified by the humidifying machine. The dust collection system adopts multi-point negative pressure dust collection, and dust emission is adjusted in real time. According to the utility model, the sand gradation is optimized through the cooperation of the double hosts for crushing, the material returning energy consumption is reduced by combining closed-loop separation, efficient and environment-friendly production is realized by utilizing dynamic winnowing and dust removal, and the technical problems of high loss rate of fine sand, non-uniform gradation and dust overflow in the traditional sand making are solved.

The invention relates to the technical field of hydrogen compression and hydraulic drive, in particular to a hydrogen compressor closed hydraulic system which comprises a hydraulic oil tank, a double-output-shaft drive motor, a closed pump, a hydraulic drive gas supercharger, a four-quadrant pump and an energy accumulator. The closed pump and the supercharger form a closed loop, and oil supplementing and flushing functions are integrated in the closed loop. And the four-quadrant pump is connected to the other end of the motor and is connected with the energy accumulator. Load is monitored in real time through a pressure sensor, in the reversing or low-load stage, a four-quadrant pump is controlled to be in a pump working condition, residual power of a motor is absorbed, and an energy accumulator is charged; and in the high-load compression stage, the four-quadrant pump is controlled to be in a motor working condition, and energy of the energy accumulator is released for auxiliary driving. Throttling loss is eliminated, constant-power operation of the motor is achieved through peak clipping and valley filling of energy, the problem of impact on a power grid is solved, meanwhile, the system structure is compact, and the energy efficiency is remarkably improved.