62results about How to "Low operating voltage" patented technology

This invention provides a small polar electromagnet device of small power consumption. Provided is a polar electromagnet device in which a drive shaft (61) is supported so as to reciprocate in an axis center direction at a center hole (31c) of a spool (31) wound with a coil (32), a movable iron core (42) is attached to a lower end of the drive shaft (61) on the same axis center, and the drive shaft (61) is reciprocated with the movable iron core (42) which reciprocates based on excitation and demagnetization of the coil. A permanent magnet (45) is integrally arranged at the movable iron core (42) on the same axis center.

The invention which discloses a membrane polar distance repolarization natural cyclic ionic membrane electrolytic tank relates to an electrolytic device used in chlor-alkali industry and aims at solving the problem that the tank voltage is influenced by the solution voltage drop existing among the electrodes in the prior art. The invention mainly consists of unit electrolytic tanks (2), an end part semi-unit electrolytic tank and a sealing pad and ionic membranes (3) which are positioned between the unit electrolytic tanks; the invention has the design points that a support net (11) of a cathode side is welded on a cathode plate (9) to form a cathode chamber through a cathode side gluten plate (10); the cathode side of the unit electrolytic tank also comprises a cathode net (13) and an elastic net (12) which is welded on the support net of the cathode side while the cathode net is arranged outside the elastic net and a sealing surface of a frame is lapped and fixed around the cathode net; the ionic membranes of and among all unit electrolytic tanks are serially connected through a side rod (1) of an extruder and the cathode, the ionic membranes and the anode are closely connected. The ionic membrane electrolytic tank has the advantages of more stable running, great resistance to positive-negative pressure difference, low voltage and low electricity consumption.

The present invention provides an electron emission device based on a hot electron emission cathode. The electron emission device comprises an electron generation unit and a heating unit, the heatingunit comprises a heating assembly, an insulating sleeve and an insulating heat insulation assembly, and the heating assembly comprises a plurality of heating metal wires. A metal pedestal is equippedwith a plurality of through holes, the metal pedestal and the insulating sleeve are in nested arrangement from inside to outside, and a gap is arranged between the metal pedestal and the insulating sleeve. The heating metal wires are located in the gap, one end of each heating metal wire is connected with the metal pedestal, and the other end penetrates the through hole to form one output end of the heating assembly. The insulating heat insulation assembly seals the gap to form the heating space, the electron generation unit comprises the hot electron emission cathode and a hot electron emission anode, the hot electron emission cathode is used to receive the heat of the insulating sleeve to generate the electrons, and the electrons are emitted under the action of an electric field formed between the hot electron emission cathode and the hot electron emission anode. On the condition of keeping the internal high vacuum, the device can provide the high-density electrons to the surroundingatmospheric environment.

The invention discloses a two-stage solar solution film type regeneration device, which comprises a first solution tank, a second solution tank, a third solution tank, a solar photovoltaic cell, a regulating valve, a first corrosion-resistant solution pump, a second corrosion-resistant solution pump, a first-stage film regenerator, a second-stage film regenerator and a storage battery. The solution is preliminarily regenerated by utilizing the first-stage film regenerator, the concentration of an inlet solution of the second-stage film regenerator is improved, and moisture absorbed by a dehumidification solution in a solution dehumidification air-conditioning system is removed, so that the operating stability of the system is improved; and meanwhile, the solution is heated by utilizing the heat dissipated in the process of operating the solar photovoltaic cell, and energy consumption of the film regenerators is reduced. By the device, the complementary property of solar photovoltaics and optothermal is effectively utilized, the dehumidification solution can be stably and efficiently regenerated under high-temperature high-humidity climate conditions, the energy can be stored by utilizing off-peak low-price electricity at night, the power load difference between peak and valley is relieved, and the economical efficiency of the system is improved.

A high-frequency discharge excited gas laser oscillator receiving power from a laser power supply controlled by a pulse command, the high-frequency discharge excited gas laser oscillator provided with a power detecting section for detecting supply power from the laser power supply to a discharge tube and a pulse command control circuit positioned at an upstream side of the laser power supply, comparing an allowable upper limit value (W) of supply power found from a relationship between a discharge tube temperature and supply power and an actual supply power detected by the power detecting section, stopping the pulse command value to the discharge tube when the supply power is higher than the allowable upper limit value, and setting a pulse command value based on the allowable upper limit value.

The invention provides a regeneration method for resin in a continuous electric desalting membrane reactor, belonging to the industrial water processing field. The regeneration method for resin in a continuous electric desalting membrane reactor has the advantages of simple operation and low cost. Moreover, the regeneration method can recover the desalting function of the resin, operating voltage is obviously reduced, and cost in returning a CEDI (continuous electric desalting ion) device to a factory to be maintained and exchanged is reduced. The regeneration method provided by the invention is characterized in that the regeneration method enhances the operating voltage and current, so that the resin can be regenerated under the strong electric field and large current condition.

The present invention discloses a balancing method of quantity of electricity when the electric network is electric-power shortage and its power system. Said invention method includes the following measures: regulating generating capacity of user's standby generating set of increase power supply, regulating tap position of transformer to reduce power consumption of electrical equipment and utilizing power frequency water pump in secondary water supply system to reduce power consumption to water pump so as to make the active power of power system be balanced and can prevent interruption of power supply.

The invention relates to a coke oven escaping smoke dust distributed dust removal system and a working method thereof, the system comprises a plurality of dust removal adsorption filtering units and aplurality of dust removal units which are arranged on a coke oven smoke dust collection cover, and the plurality of dust removal adsorption filtering units are correspondingly connected with one dustremoval unit; the dust removal adsorption filtering unit comprises a filter body, and a filtering fan and an adsorption filtering device which are arranged in the filter body; the dust removal unit comprises a dust remover body, a dust removal fan and a dust removal device, wherein the dust removal fan and the dust removal device are arranged in the dust remover body. The air filtering device isused for filtering air in the coke oven smoke dust collecting cover and exhausting clean air reaching the standard into the atmosphere, so that the air pollution degree of a coke oven working area isreduced; the system is good in dust removal effect, low in operation cost, small in occupied area and easy and convenient to construct and maintain.