171results about How to "Reduce running power consumption" patented technology

The invention relates to a combined type heat exchange unit. The combined type heat exchange unit is characterized in that a compression heat pump, an absorption heat pump, more than one water-water heat exchanger and connecting pipelines are included; the connecting pipelines are divided into the primary side pipeline and the secondary side pipeline; the primary side pipeline is in a step-by-step series connection, namely the primary side pipeline is sequentially communicated with a generator of the absorption heat pump, the water-water heat exchanger, an evaporator of the absorption heat pump and an evaporator of the compression heat pump; the secondary side pipeline is communicated to a heat consumer in the mode of first parallel connection and then series connection or step-by-step series connection or independent separating connection. According to the combined type heat exchange unit, the heat of primary network hot water can be utilized in a gradient mode, so that the temperature difference of water supply and water return of primary network hot water of a centralized heating system is greatly increased. Accordingly, the initial investment of a pipeline system and the power consumption of water pump operation can be greatly reduced, conditions are created for utilizing low-grade heat energy and even waste heat and the like of a power source, the comprehensive energy utilization efficiency of the system is improved, and the heat supply cost is lowered.

The invention provides a nano-refrigerant hydrate phase change cool-storage refrigerant and a preparation method thereof; surfactant is dissolved in water to prepare the water solution of the surfactant; subsequently, the refrigerant is dripped into the water solution of the surfactant and mixed till that the solution is changed from turbidity to brightness. According to the solubility of the surfactant in water and in the refrigerant, the surfactant can be dissolved in the water and can also be dissolved in the refrigerant. Under static state, the water phase and the refrigerant phase are uniformly mixed in microscopic scale to augment the two-phase diffusion interface, thus promoting the growth of the hydrate crystal. The system can lead the water phase and the refrigerant phase to be mixed uniformly without applying mixing, disturbing and external field; the refrigerant phase is dispersed in water in the form of micelle or (and) microemulsion; and alternatively, the water phase is dispersed in the refrigerant phase in the form of micelle or (and) microemulsion; the dripping size of the dispersing phase is 100nm or less. The hydrate phase change cool-storage refrigerant does not delaminate after being placed for a long time, is single-dispersion system with stable thermal-mechanics performance and has the appearance of transparent or semi-transparent solution.

The invention discloses a non-stick overvoltage and under-voltage protector with a leakage protection function. The non-stick overvoltage and under-voltage protector comprises a box body and a control unit, wherein the control unit comprises a power circuit (1), a current sampling circuit (2), a voltage sampling circuit (3), a microprocessor (4), a key processing circuit (5), a working state indicating circuit (6), a magnetic relay driving circuit (7), a magnetic latching relay (8), a leakage mutual inductor (9), an energy-storage capacitor (10) and a chip peripheral circuit (11). According to the non-stick overvoltage and under-voltage protector with the leakage protection function provided by the invention, a power supply is switched on automatically when the power voltage restores to a normal voltage range after an under-voltage protection action is taken, so that the continuity of power supply is ensured, and the power supply quality is ensured; and after a leakage protection action is taken, the power supply is switched on automatically after a fault is cleared and a manual key is pressed for confirming, the power supply continuity is ensured, and personal safety is protected.

The invention relates to an air preheating system of a thermal power generator set, in particular to an air pre-heating system and method performing steam extraction by utilizing a steam turbine. In the system, a primary air preheating subsystem and a secondary air preheating subsystem are coupled with a boiler system and a steam turbine system of the thermal power generator set to form a novel boil feed water preheating system. Primary air is heated by a four-stage air heater and a first-stage drain water cooler to reach primary air rated temperature. Secondary air is heated by a five-stage air heater to reach a secondary air rated temperature. The air preheating system effectively solves the air leakage problem, reduces operation power consumption of a primary fan, a forced draught blower and an induced draft fan and improves the generating efficiency of a coal-fired power plant. In addition, the primary air temperature and the secondary air temperature can be flexibly adjusted by adjusting steam extraction volume of the air heaters and opening degree of a drain water by-pass valve.

The invention belongs to the energy saving field of central heating, and discloses a thermal station energy saving device with double adjustment functions. The thermal station energy saving device with the double adjustment functions is characterized by comprising a double adjustment control master machine (1), an outdoor temperature sensor (2), a heat exchanger (3), a secondary water supply temperature sensor (6), a secondary return water temperature sensor (7), a secondary bypass pipe (4), a one-way electric adjusting valve (5), a secondary mixed water temperature sensor (8), a secondary mixed water pressure sensor (10), a secondary return water pressure sensor (11) and a water pump inverter (9). According to parameters obtained through monitoring of the outdoor temperature sensor, the open degree of the electric adjusting valve on the secondary bypass pipe is adjusted, a part of return water on the secondary side is enabled to enter the heat exchanger for heat exchanging, and the other part of the return water on the secondary side passes through the bypass pipe and can reach a predicted water supply temperature after being mixed with other water. According to parameters obtained through monitoring of the secondary mixed water pressure sensor and the secondary return water pressure sensor, an instruction is sent to the water pump inverter to adjust the running frequency of a water pump, and therefore the flow rate of the secondary water supply is changed. The thermal station energy saving device with the double adjustment functions achieves climate compensation control, supplies heat according to the needs of users, and reduces the quantity of electricity consumed by the water pump in the operation process.

The invention discloses a malodorous gas treatment integrated process, which solves the pollution problem of malodorous gas with high concentration, high output and complicated ingredients discharged in the oil refining chemical field. The malodorous gas treatment integrated process adopts a hypergravity revolving bed, a packed absorption tower, and two absorbents for multistage absorption of malodorous gas. The malodorous gas treatment integrated process is safe and equipment consumes little power when running.

The invention relates to a technology for preparing high-cleanliness and high-octane gasoline from methanol through a one-step catalysis method. The process of preparing gasoline from methanol is a strong heat release process, and existing technologies for preparing gasoline from methanol at home and abroad all adopt recycle gas (which mainly contains mixed methane, ethane, hydrogen, propane, butane, pentane, carbon monoxide, carbon dioxide and the like) as a heat taking medium to take away heat generated in a reactor, so as to control the outlet temperature of the reactor; liquefied gas (mainly containing propane and butane) produced by a device per se is adopted in the technology to substitute the recycle gas and enters the reactor to serve as a heat removal medium, and the liquefied gas rarely participates in reaction under the same reaction condition, the reaction product is basically unchanged. The technology has the advantages that a recycle gas compressor is not needed, the equipment investment is greatly reduced, the running power consumption of the device is reduced, the heat exchange flow of the device is optimized, the device is simple, stable and reliable in operation, and meanwhile, the public engineering grade is also reduced, so that the technology has significant practicability, huge economic benefits and wide application prospect.

The invention discloses a pneumatic discharging mechanism. The pneumatic discharging mechanism comprises a receiving channel, a diagonal bottom plate is arranged on an opening in the lower end of the receiving channel, the upper end of the bottom plate is located in the receiving channel and is closely connected with a side wall of the receiving channel, and a discharge opening is formed by the lower end of the bottom plate and the lower end of the side wall of the corresponding receiving channel; a baffle is arranged below a bottom plate, and a gap forming channel is formed between the baffle and the bottom plate; a horizontally or slightly inclined storage plate is arranged at the lower end of the baffle, and the storage plate is located below the discharge hole; an opening in the lower end of the gas channel is communicated to the upper surface of the storage plate, an opening in the upper end of the gas channel is communicated with either an air outlet of a compressed gas device or a pneumatic component. According to the pneumatic discharging mechanism provided by the invention, the power consumption is low in a pneumatic discharging process; furthermore, the pneumatic discharging mechanism is simple in structure, easy to process, long in life, wide in application scope, even to discharge, simple to control, small in size and low in space requirement, and is free from fault and maintenance.

The invention discloses a dust removal device for an intermediate frequency furnace. The dust removal device includes a fan, a motor, a dust collector body, a smoke collection hood and a pipe; the smoke collection hood is provided with a smoke collection port and a discharge port, and the smoke collection port covers The area of ​​the intermediate frequency furnace in the vertical state and the overturned state is used to capture the dust-containing flue gas generated at the intermediate frequency furnace; one end of the pipe is connected to the exhaust port of the smoke collection hood, and the other end of the pipe is connected to the fan. It communicates with the air inlet and discharges to the dust collector body; the dust collector body includes a filter bag and a flower plate, the filter bag is used to filter the dust in the flue gas, and the flower plate is used to discharge the filtered flue gas. The dust removal equipment has the advantages of high efficiency, energy saving and small footprint.

The invention relates to a solar-ground source heat pump coupled energy supply system and an operating method thereof. A large unit, a small unit and solar hot water are adopted to supply heat to a building, the two units are interconnected and intercommunicated at the tail end and ground source side of the building, the heat is supplied to the building under various modes by using two ground source heat pump systems and the solar hot water according to an actual thermal load requirement, the operation mode of the system is optimized under the condition of ensuring that the soil temperatures of the ground source heat pumps are balanced, and efficient operation for cooling in summer and heating in winter is realized. When bearing an extremely low heat supply load within a relatively long period of time, the heat supply requirement of the building is met through supplying heat by solar-assisted ground source heat pumps and directly supplying heat by solar energy; and when bearing a normal heat supply load, the heat supply requirement of the building is met by using a pure ground source heat pump unit.

The invention provides a method for realizing carbon dioxide cycle power generation based on waste heat from a cement plant. According to the method, CO2 captured during emission reduction is used as a working medium and is cooled and compressed into liquid CO2, the low-pressure liquid CO2 fluid is conveyed into different CO2 energy storage devices through high-pressure pumping devices with the extremely-low energy consumption, various waste heat generated in the cement production process is used as the energy for energy storage of the low-pressure liquid CO2 fluid, and high-pressure thermal supercritical CO2 fluid with the fluctuations and/or different temperatures and different heat densities is generated and is tempered and changed into isothermal-isobaric supercritical CO2 fluid through a steady flow regulator to be stably supplied to a turbine/piston expander so that the turbine/piston expander can do work to drive an electric generator to generate electricity; and carbon dioxide cycle power generation is realized, efficient heat recycling can be achieved, the high heat efficiency is achieved, surplus energy is stored and used effectively, and flexible adjustment and utilization of the energy are achieved.

The invention relates to an ADCA (Azodicarbonamide) foaming agent waste liquor treatment process which comprises the following steps of: preheating waste liquor to 40-60 DEG C; treating the waste liquor in a vacuum crystallizer under the condition that the temperature is 45-130 DEG C and the vacuum degree is 0-0.1 MPa; separating out sodium sulfate; reducing the temperature of a mother solution obtained after the sodium sulfate is separated to 35-40 DEG C, and crystallizing under the condition that the vacuum degree is 0.080-0.085 MPa; and separating out ammonium chloride. The ADCA foaming agent waste liquor treatment process provided by the invention can recover the sodium sulfate and the ammonium chloride under the precondition of zero sewage discharge and can greatly reduce the treatment cost of waste water.

The invention relates to a solar energy-ground source heat pump coupling type energy supply system provided with two buried pipe groups. The solar energy-ground source heat pump coupling type energy supply system provided with the two buried pipe groups is characterized in that the energy supply system comprises a solar heat collector, a heat-storage water tank, a ground source heat pump unit, the first buried pipe group, the second buried pipe group, a building tail end device, a heat-collection circulating water pump, a heat-storage circulating water pump, a ground source side circulating water pump, a first heat-storage control valve, a second heat-storage control valve, a first ground source side control valve, a second ground source side control valve, a first pipe group flow regulation valve, a second pipe group flow regulation valve, a first pipe group heat meter and a second group pipe heat meter; the solar heat collector is sequentially connected with the heat-storage water tank and the heat-collection circulating water pump through pipelines, namely a heat collection cycle is formed, and hot water generated by solar energy is collected; and the hot water outflow end of the heat-storage water tank is sequentially connected with the first heat-storage control valve, the heat-storage circulating water pump, the first buried pipe group, the second heat-storage control valve and the backflow end of the heat-storage water tank through pipelines, so that a heat storage cycle is formed.

A blade polishing device based on pneumatic control is characterized by comprising a fixing beam, a cross beam, a first connecting rod, a second connecting rod, a first air cylinder, a second air cylinder, a polishing tool, a control valve and a controller, wherein the fixing beam is arranged vertically and fixedly connected with the horizontally arranged cross beam; the cross beam is hinged to the first connecting rod; the first connecting rod is fixedly connected with the first air cylinder; the second connecting rod is fixedly connected with the second air cylinder and the fixing beam; a piston of the first air cylinder is fixedly connected with the polishing tool through a first transmission rod; a piston of the second air cylinder is fixedly connected with the second connecting rod through a second transmission rod; and the first air cylinder and the second air cylinder are supplied with air and driven by the control valve. During work, the position of the polishing tool is changed by pushing the pistons of the first air cylinder and the second air cylinder, and therefore the contact force between the polishing tool and a blade is changed.

The invention provides a device system utilizing cement plant waste heat for achieving carbon dioxide cyclic power generation. The device comprises a liquid CO2 storage tank, a high-pressure pumping device, a CO2 energy storage device, a flow stabilizer, a turbine/piston expander, a power generator, a cooling device and a compression device. The CO2 energy storage device is used for making low-pressure liquid CO2 fluid pumped out of the liquid CO2 storage tank directly absorb abandoned waste heat or high-temperature heat energy which is different in temperature and is produced by a cement production line for energy storage, and the low-pressure liquid CO2 fluid is converted into supercritical CO2 fluid different in temperature, pressure and energy density. The flow stabilizer is used for converting the supercritical CO2 fluid different in temperature, pressure and energy density into equal-pressure supercritical CO2 fluid. According to the device system, captured carbon dioxide serves as a working medium, various kinds of abandoned waste heat which is generated in the cement production process and is large in temperature fluctuation and temperature difference is utilized as main energy to achieve carbon dioxide cyclic power generation, and energy consumption is low.