58results about How to "Improve energy saving and reduce consumption" patented technology

The invention discloses a thermoelectric power station automatic control system based on artificial intelligence. It includes dispersible control system, virtual DCS simulation system, program controlling system, monitoring information system and malfunction diagnosing and optimizing controlling system; the dispersible control system is connected with the virtual DCS simulation system and program controlling system; the program controlling system process the operating parameters of every machine group transmitted by dispersible control system, and at the same time transmits data to monitoring information system to display, then transmits malfunction diagnosing and optimizing controlling system to have equipment state monitoring, malfunction diagnosing and forewarns. The invention gathers automatic control, optimizing operation, security monitoring and malfunction diagnosing and forecast. It can improves the automated management level of the thermoelectric power station operation, and enhances enterprises' benefit. It has great economic and applied value in the producing process automatic control of the thermoelectric power station.

The invention discloses a lignite drying technology with superheated steam capable of recycling waste steam heat. The lignite drying technology comprises the steps that (1) after raw lignite is fed to an internal-heating fluid bed dryer after being crushed and sieved; (2) saturated steam from a backpressure unit of a factory enters a built-in heat exchanger in the internal-heating fluid bed dryer; the moisture the pulverized lignite is removed through indirect heat exchange; the pulverized lignite that is dried till the moisture content is qualified is discharged from the bottom end of the internal-heating fluid bed dryer; and (3) the saturated steam generates condensate water through the indirect heat exchange; a part of the condensate water is sent to a boiler feed water system; the rest of the condensate water is sent to an evaporator; the steam generated by removing the moisture from the pulverized lignite and fluidized carrier gas are in superheated steam states and are discharged from the top of the internal-heating fluid bed dryer; after the steam and the fluidized carrier gas are dedusted by multiple stages, the steam and the fluidized carrier gas partially return to the internal-heating fluid bed dryer again; and the rest is recycled. Meanwhile, the invention further discloses a system implementing the technology.

The invention provides a granulated paper pad for pets. The granulated paper pad is cylindrical, has the diameter of 3-7mm, the length of 3-20mm, the specific gravity of 320-550g / l and the natural water content being smaller than 7.5% and comprises the main components as follows: at least 70% of paper fiber and 10-20% of talcum powder or light calcium carbonate or kaolin. The manufacturing method of the granulated paper pad for pets comprises the following steps of uniformly crushing, grinding and forming, drying, screening and packing. Though the granulated paper pad for pets and the manufacturing method thereof disclosed by the invention, waste is fully utilized, energy is greatly saved, consumption is largely reduced, no emission and pollution exist in the production process, the liquid absorption amount is maximum compared with pet pads made from any textures, no pollution exists after the granulated paper pad is used, the used granulated paper pad can be directly putted into a sewer for degradation and never blocks the sewer, the opportunity of bacterial reproduction is reduced, the home environment is protected, and the health of persons and pets is strengthened. The granulated paper pad for pets does not have harm to the persons and the pets, is easy to store and is also clean; therefore, the problem that garbage is piled up at home after pads for pets are used, and damage and trouble caused by the persons sprinkling deodorizer for covering the excrement smell of the pets are completely solved.

The invention discloses a digital electro-hydraulic adjusting system for steam turbine, comprising decentralized control system at each control point in unit, virtual controlling emulator system and program control system. By program control system actual running parameters of each unit transmitted by decentralized control system and purpose value in database are compared and parameters are corrected so that units are run under the best parameters and working conditions meanwhile datum are transmitted to monitoring system, and fault diagnosing and optimal controlling system so that fault diagnosing and prewarning are performed in time. Compared with prior technology, auto-controlling, optimal running, safety monitoring, fault diagnosing and forecasting are integrated so that automatic management level of power enterprise is improved. It is provided with large economical and practical value in automatic controlling for production process in power enterprise.

The invention discloses a ball grinding mill load detecting method for optimizing the BP neural network based on the genetic algorithm. The method comprises the first step of collecting starting grinding sound and the stopping grinding sound of a ball grinding mill, the second step of carrying out off-line processing on the grinding sound, the third step of selecting an effective frequency band of the grinding sound, the fourth step of calibrating load data of the ball grinding mill, and the fifth step of optimizing BP neural network modeling based on the genetic algorithm and carrying out predicting on loads of the ball grinding mill to obtain a load detecting result of the ball grinding mill. According to the method, a plurality of sets of experiment data are obtained by analyzing the grinding sound frequency spectrum and selecting the effective frequency band range of the grinding sound, the experiment data are utilized for training the load model, and after training, the model can be used for predicting the loads of the ball grinding mill. The method is convenient to achieve, high in adaptability and capable of providing related detection data for optimization and control of the ball grinding mill, and automatic control and energy-saving and consumption-reducing capabilities of the ball grinding mill are improved.

The invention provides a process for denitrification and electricity generation by using a single-chamber anaerobic ammonium oxidation sludge-microbial fuel cell device, and belongs to the technical field of environmental engineering. The process is characterized in that anaerobic ammonium oxidation sludge in an anode region generates electrons by using ammonia nitrogen or the like as a fuel, theelectrons are transmitted to an anode surface, and are transmitted to a cathode through an external circuit and a resistor to form a current, and the cathode is driven to catalytically reduce the nitrate. The anode material is carbon felt and the cathode material is SnCu-Pd / carbon fiber cloth. The water is continuously fed from the bottom of the device and flows upward, and the water overflows outof the top of the device. The single chamber structure is simple, and the operation is easy. The effect and benefit of the present invention is that the single-chamber anaerobic ammonium oxidation sludge-microbial fuel cell device can selectively reduce the anaerobic ammonium oxidation by-product nitrate to nitrogen at the cathode, and the total nitrogen removal efficiency is increased by 10% to20% in comparison with the conventional anaerobic ammonium oxidation process; the voltage is simultaneously output; and the generated electric field can also be used to increase the metabolic activityof anammox bacteria.

The invention discloses an HCPN (Hierarchical Colored Petri Net)-based modeling method of an iron making system logistic energy consumption model. A petri net model of a huge complex iron making system is established by a method of detaching and combining the system through the HCPN. By the modeling method, the conventional modeling method of directly using the Petri net is optimized, the problem that the Petri net obtained by modeling and analyzing the complex system through the conventional Petri net is frequently unavailable is solved, and simultaneously, a better construction of the system model is provided, so that the analysis work can be executed in different construction stages, and the result of the analysis is guaranteed to be effective to the overall model. According to the method provided by the invention, based on the modeling and the simulation in the iron making process through the Petri net, the CPN (Colored Petri Net) model can be directly used in actual production dispatching control.

A cooling unit of a direct air-cooling steam condenser is composed of an air-cooling cooling unit body and a fan located on the lower portion of the air-cooling cooling unit. The air-cooling cooling unit body comprises a main heat exchange surface and a top heat exchange surface, the main heat exchange surface forms a hyperboloid shape by arraying of a group of main heat exchange pipes with axes being hyperbolic curves, upper ends of the main heat exchange pipes are communicated with a circular connecting pipe, and lower ends of the main heat exchange pipes are communicated with a circular condensed-water return pipe; the top heat exchange surface is located at the top of the main heat exchange surface, the top heat exchange surface comprises a steam distributing pipe and a group of top heat exchange pipes, and two ends of the top heat exchange pipes are respectively communicated with the steam distributing pipe and the connecting pipe. By the arrangement, capability of heat exchange of the air-cooling cooling unit is favorably enhanced, heat exchange efficiency is improved, economical efficiency of the air cooling unit is improved, and energy saving and consumption reducing of large-scale units of relevant industries especially power industry are improved.

The invention relates to a hot rolling plan arrangement method, and belongs to the technical field of metallurgical continuous rolling. The method includes: setting a constraint function, establishing a rolling plan model, solving the rolling plan model, performing programming by employing a computer programming technology, and establishing a continuous casting and rolling production, organization, and management mode. Compared with the prior art, the beneficial effects of the method are that the plan making is flexible, mixed arrangement of different steel kinds, different thicknesses, and different widths can be performed, and crossed rolling is realized; the hot direct rolling rate of hot-rolled slabs is high, the heating time of cold-rolled plates is reduced, and energy is saved; and the function of six-in-one by three machines of the casting billet can be fully achieved, the 215OASP production line realizes tight combination of three processes including steel production, continuous casting, and rolling, and the goal of promoting energy saving and consumption reduction of steel products is achieved.

The invention relates to an aluminum alloy for an electrolytic capacitor outer shell and a preparation method of the aluminum alloy. The aluminum alloy comprises the following components of, by mass, 0.4-0.7% of Si, 0.2-0.7% of Fe, 0.05-0.25% of Cu, 1.0-1.5% of Mn, 0.8-1.3% of Mg, 0.1-0.25% of Zn, 0.01-0.08% of Ti, no larger than 0.15% of all other impurities and the balance Al, wherein the content of each of the other impurities is no larger than 0.05%. When the aluminum alloy for the electrolytic capacitor outer shell is smelted and cast, the using ratio of waste is 70% or more, the using quantity of original electrolytic aluminum ingots is decreased to the utmost extent, and the production cost is reduced. By adjusting the techniques in the production process, in performance, the aluminum alloy for the electrolytic capacitor outer shell has the advantages that the anti-explosion performance is excellent, and the punching difficulty is lowered.

The invention discloses a preparation method of a geopolymer-based fiberboard with red mud as a raw material.The red mud is a solid environmental pollutant, and massive red mud causes multi-aspect influence on production and life of people; the fiberboard is prepared by utilizing the red mud, strength and water resistance of the fiberboard are improved, and utilization rate of waste can be increased, so that environmental pollution is reduced;the existing geopolymer fiberboard production method has the disadvantages that a preparation process of the used filler is complex, water is consumed, energy is consumed, production cost is increased, and the environment is also polluted. The preparation method of the geopolymer-based fiberboard with the red mud as the raw material comprises the following steps: smashing wood fiber, stirring, hobbing, curing and demoulding; the prepared geopolymer-based fibreboard has the advantages that mechanically smashed wood fiber and straw are used for replacing wood fiber obtained by a pulp grinding technology, kinds of fibers are enriched, working procedures such as washing, digesting, softening and hot grinding on wood and a sewage treatment link are eliminated, production efficiency is improved, production energy consumption and water consumption are reduced, production cost is reduced, and sewage discharge is reduced.

The invention provides a water-based reflective thermal insulation coating and a preparation method and application thereof. The water-based reflective thermal insulation coating is prepared from, byweight, 30-45 parts of fluorosilicone emulsion, 20-35 parts of silicone acrylic emulsion, 9-18 parts of filler, 15-25 parts of nano titanium dioxide, 0.2-3 part of water-based floating aluminum paste,0.2-3 part of water-based non-floating aluminum paste, 0.9-4.5 part of coalescing agent, and 0.1-0.8 part of a bacteriostatic agent.

The invention belongs to the technical field of wastewater treatment, and particularly relates to a system and a method for treating desulfurization wastewater by utilizing flue gas waste heat. The desulfurization wastewater treatment system is characterized by comprising a boiler, an air preheater, an electrostatic dust collector, an induced draft fan, and a concentration system, a desulfurization tower and a chimney which are arranged in parallel; all the mentioned units are sequentially connected through a flue; a liquid outlet in the bottom of the concentration system is connected with a spraying device in the drying bed, a flue in front of the air preheater is communicated with an inlet of the drying bed, and an outlet of the drying bed is communicated with the flue. The problems thatin the prior art, scaling is likely to be caused by direct spraying in a flue, and production and operation are seriously affected are solved, wherein low-grade heat source evaporation and concentration of salt-containing wastewater can be achieved, so that the investment and operation cost is low, energy conservation and consumption reduction of enterprises are promoted, and meanwhile the wastewater treatment cost is reduced.

The invention discloses a system and a technology for utilizing low-temperature smoke to enhance concentration of brine wastewater. The system comprises a flue, a first water pump, a wastewater pressurizing pre-heater, a water distributing device, a falling film flash evaporator and a water collecting tank, wherein the water distributing device is arranged at the upper end of the falling film flash evaporator; the water collecting tank is arranged at the bottom of the falling film flash evaporator; the water distributing device and the falling film flash evaporator are both arranged in the flue; the first water pump is used for conveying the pressurized brine wastewater to the wastewater pressurizing pre-heater; the low-temperature smoke in the flue can heat the brine wastewater pressurized in the wastewater pressurizing pre-heater so as to acquire high-temperature high-pressure brine wastewater; the high-temperature high-pressure brine wastewater is uniformly distributed by the water distributing device and then the pressure is reduced and a layer of uniform water film is formed on the falling film flash evaporator; and the water film is in direct contact with the low-temperature smoke in the flue and is evaporated, so that the brine wastewater can be concentrated. According to the invention, the low-grade waste heat energy is utilized to realize the evaporation and concentration of the brine wastewater, so that the wastewater treatment cost is lowered. A new method is supplied for performing low-cost treatment of the brine wastewater.

The invention discloses a mining pneumatic stepless speed change concrete agitating conveying vehicle. The mining pneumatic stepless speed change concrete agitating conveying vehicle comprises a frame (2), an agitating barrel (6) moveably arranged on the frame and a planetary reducer (5). One end of the agitating barrel (6) is connected with the planetary reducer while the other end of the agitating barrel is provided with a hopper (8). The frame is provided with a pneumatic motor (9) which is connected with the planetary reducer through a belt transmission mechanism (10). The frame is supported on a traveling mechanism (11) or an explosion-proof diesel locomotive (11). The traveling mechanism is driven by an explosion-proof traction locomotive. At first, the mining pneumatic stepless speed change concrete agitating conveying vehicle provided by the invention solves the explosion-proof problem under a shaft; second, the mining pneumatic stepless speed change concrete agitating conveying vehicle provided by the invention realizes stepless speed regulation, realizes rapid discharge by adjusting displacement at the inlet and outlet of a valve body of the pneumatic motor, meets the demand on the quantity of concrete for roadway construction, maintains continuous construction, improves the speed and the efficiency of roadway construction, and shortens the construction period; third, gas source under the shaft is abundant, electricity is replaced by wind power, and the production cost is reduced; and fourth, the mining pneumatic stepless speed change concrete agitating conveying vehicle provided by the invention can meet demands of construction of various mining roadways in the aspect of conveying way, and expands the application of the product.

The invention discloses a water-cooling type hearth plate of a petroleum coke tank-type calcining furnace, and belongs to the technical field of petroleum coke tank-type calcining furnaces. An annular water sleeve inner plate (4) and an annular water sleeve outer plate (3) are fixedly connected between an upper flat plate (1) and a lower flange plate (6), the water sleeve inner plate (4), the water sleeve outer plate (3), the upper flat plate (1) and the lower flange plate (6) form a sealed annular cooling sleeve (11) in a surrounding mode, the lower end surface of the upper flat plate (1) is provided with an annular cooling half pipe (2) at the outer side of the water sleeve outer plate (3), the annular cooling half pipe (2) and the upper flat plate (1) form a sealed annular cooling water passage (12), the annular cooling water passage (12) is communicated with the annular cooling sleeve (11) through a connecting half pipe (8), and annular cooling water passage (12) is communicated with a water outlet pipe (10). The water-cooling type hearth plate of the petroleum coke tank-type calcining furnace has the advantages of lowering the temperature of the hearth plate, improving the work reliability of the hearth plate and the like.

The invention discloses blockage cleaning and dust removing equipment for an industrial furnace. The blockage cleaning and dust removing equipment comprises an air compressor (1) and a carbon dioxide vessel (10), wherein the air compressor (1) and the carbon dioxide vessel (10) are both connected with a supercharging device (2); the supercharging device is connected with a carbon dioxide liquid storage tube (3); liquid carbon dioxide (4) and a heating tube (7) are arranged in the carbon dioxide liquid storage tube (3) respectively; one end of the carbon dioxide liquid storage tube (3) is connected with an explosion controller (9) through a wire (8); and the other end of the carbon dioxide liquid storage tube (3) is sequentially connected with a rupture disc (6) and a release port (5). According to the blockage cleaning and dust removing equipment, the technical problems of caking, coking, ring forming and the like in an inner cavity of the furnace are solved, erosion of dust on a pipeline is reduced, smoothness of a flue is guaranteed, pollutant discharge of particulate matters to the atmospheric environment is lowered, energy conservation and consumption reduction are promoted, and normal running of safety production is guaranteed.

The invention provides a system and method for preparing pulverized coal fuel of a pulverized-coal boiler by using coal washing tailings. The system includes a slurry mixing device, an impurity removing and coarse-grain material intercepting device, a grading recovery device, an ore pulp pretreatment device, a coal slime separating device, a coal slime water purifying device, a concentrate dehydration device and a thermal power drying device which are connected in a scientific mode. The method for preparing the pulverized coal fuel of the pulverized-coal boiler through the system comprises the steps of mixing ore pulp, removing impurities in the ore pulp, intercepting coarse-grain materials in the ore pulp, feeding the ore pulp into the grading recovery device for grading, adding floatation agents for pretreatment, feeding the ore pulp into a fine-grain coal slime separating device for separation, dehydrating and drying selected concentrate, feeding the tailings into a coal slime water treatment device for solid-liquid separation, and recycling purified tailing water. By means of the system and method for preparing the pulverized coal fuel of the pulverized-coal boiler by using the coal washing tailings, the pulverized coal fuel meeting the combustion requirements of the pulverized-coal fluidized bed boiler is prepared without the grinding step, emission of the coal washing tailings is reduced, the environment is protected, comprehensive utilization of resources is realized, resources are saved, and the utilization efficiency of coal resources is improved.

The invention relates to an electricity saving device of an air conditioner in a logistics warehouse, which comprises a bypass system, a voltage regulating and stabilizing circuit, a harmonic suppression, a surge suppression, a sampling circuit, a main control circuit, a voltage regulating control circuit, a sensing circuit and an output control, wherein the bypass system is connected in parallel with the electricity saving device; the output end of the voltage regulating and stabilizing circuit is connected with the input end of the output control and the input end of the sampling circuit respectively; the output end of the sensing circuit is connected with the input end of the output control and the input end of the voltage regulating and stabilizing circuit respectively; the input end of the main control circuit is connected with the output end of the voltage regulating and stabilizing circuit and the output end of the sampling circuit respectively; the output end of the main control circuit is connected with the input end of the voltage regulating and stabilizing circuit; and the harmonic suppression, the surge suppression and the voltage regulating and stabilizing circuit are connected in parallel between voltage input ends in sequence. In the invention, the increase of energy consumption, caused by a power grid pollution source, can be effectively reduced; the efficiency of an air conditioning system can be increased; the service life of air conditioning equipment is prolonged; moreover, the electricity saving device has multiple functions of electricity saving and protection.

The invention relates to a fluid machine, in particular to a spiral fluid turbine pump. A mechanical spiral rotor moves in a spiral stator, and applies work to a fluid working medium in a cavity so that the fluid working medium is continuously discharged or the spiral rotor is continuously acted in a reverse motion mode of the fluid working medium to output power. The spiral fluid turbine pump of the technology can be used as fluid pump equipment or fluid motor equipment, and can be designed into large, small and micro machine series; and the equipment of the technology has simple structure, good reliability, continuity and pulsation of the working medium, low noise and high efficiency, and can be used for functional conversion of gas and liquid, energy conservation, emission reduction, production and the like.

The invention discloses an LED cold light source curing machine. The LED cold light source curing machine comprises a light-emitting diode combination. The light-emitting diode combination comprises a light-emitting diode and a lens arranged in front of the light-emitting diode. After penetrating the lens, the light emitted by the light-emitting diode is projected to a product to be cured, wherein the wavelength of the light emitted by the light-emitting diode ranges from 365 nanometers to 400 nanometers, the focal length of the lens ranges from 10 mm to 20 mm, and the distance between the lens and the product to be cured ranges from 3 cm to 5 cm. The LED cold light source curing machine can sufficiently cure product bonding glue and can conduct multi-coordinate position curing at the same time, and the product quality is guaranteed. A large amount of energy is saved, the production cost is reduced, environment friendliness and consumption reduction are achieved, and the production efficiency is improved.

The invention discloses an inducing method of staphylococcus aureus in the viable but nonculturable state. The inducing method comprises the following steps: preparing staphylococcus aureus into a cell suspension, and carrying out dielectric barrier discharge low-temperature plasma treatment, thus forming the viable but nonculturable state, wherein the conditions of the dielectric barrier discharge low-temperature plasma treatment are as follows: the treatment frequency is 8-15 kHz, the treatment air gap is 1-3 mm, the treatment power is 25-50 W, the treatment time is 3-5 s, and the treatment temperature is room temperature. According to the method provided by the invention, staphylococcus aureus is subjected to dielectric barrier discharge low-temperature plasma treatment, so that the staphylococcus aureus can form the viable but nonculturable state within a short time.

The invention relates to a solar intelligent control constant-current all-in-one machine comprising a charging control module, a signal acquisition module, a communication module, a microprocessor and a constant-current control module. The microprocessor receives charging information from the charging control module, acquisition information transmitted by the signal acquisition module, and communication information transmitted by the communication module in real time to carry out signal analyzing and processing and transmits the processed processing information to the constant-current control module; the constant-current control module is controlled to supply power for a load. According to the invention, wireless setting for the load parameter and intelligent load controlling can be realized by the communication module; the utilization efficiency of the solar panel as well as the effect of energy conservation and consumption reduction can be improved by the charging control module; and the charging control module, the energy storage device, the communication module, the constant-current control module, and the microprocessor can be integrated, thereby improving the work efficiency.

The invention discloses an aluminum alloy foil and preparation method thereof. The aluminum alloy foil comprises the following components of, in percentage by mass, 0.7%-1.0% of Si, 0.3%-0.85% of Fe,0.25%-0.45% of Cu, 1.3%-1.6% of Mn, 1.3%-1.8% of Mg, 0.25%-0.8% of Zn, 0.03%-0.08% of Ti, and the balance impurities and Al, wherein single content of other impurities is not more than 0.05%, and thetotal proportion of other impurities is not more than 0.15%. The aluminum alloy foil disclosed by the invention, has excellent high-temperature resistant baking performance and bending resistance performance, and ensures that the aluminum alloy foil still has high strength and excellent forming performance after being baked by a high-temperature coating; an automobile aluminum alloy waste materialis used as a raw material, green circulation production is realized, the energy consumption is reduced, the environmental pollution is reduced, the use ratio of the aluminum alloy waste for the automobile is over 85%, the using amount of the raw electrolytic aluminum ingot is reduced to the maximum extent, and the production cost is reduced.

The invention discloses a heat tracing turbulent layer fluidized drag-reducing flow conveying pipe and a method thereof. The heat tracing turbulent layer fluidized drag-reducing flow conveying pipe is formed by a plurality of single-section conveying pipes and a master controller. Each single-section conveying pipe mainly includes an arched pipe, a fluid heat tracing pipe, an insulating layer, a pipe wall heat tracing pipe, a pipe upper cover, a fluid temperature monitoring device, a wall temperature monitoring device and a temperature controller. The heat tracing turbulent layer fluidized drag-reducing flow conveying pipe aims at existing heating conveying of high-viscous and congealable fluid, combines the existing skin effect heat tracing technology and the fluid drag reducing control technology by aid of the design of the round conveying pipe arched fluid interface, and achieves control on the fluidized flow state of the fluid turbulent layer in the pipe near the fluid string surface on the basis of the congeal removing and viscosity reducing effects of the skin effect heat tracing technology by maintaining the temperature difference of the wall surface of the arched pipe and the fluid in the pipe. Thus, pressure drop loss of fluid during conveying can be further reduced, the conveying efficiency can be improved, and energy saving and consumption reducing can be promoted.

The invention discloses a refrigeration implement combined with an air-conditioner and a refrigerator and a controlling method thereof. The refrigeration implement comprises a refrigerator chamber, an air-conditioner chamber, a refrigeration system and a control system, wherein the refrigerator chamber is provided with a refrigerator evaporator which provides cooling capacity, the air-conditioner chamber is provided with an air-conditioner evaporator and a cold-storage device, the air-conditioner chamber is communicated with the outside through a clod air duct, the cold-storage device is used for absorbing the cooling capacity when the air-conditioner evaporator works and releasing the cooling capacity towards the outside when the cold air duct opens, the refrigerator system comprises a common use compressor, a common use condenser, a refrigerator branch circuit and an air-conditioner branch circuit, the refrigerator branch circuit and the air-conditioner branch circuit are arranged in parallel through an electromagnetic valve, the common use compressor, the common use condenser, the refrigerator branch circuit and the air-conditioner branch circuit are connected with one another, the refrigerator branch circuit comprises the refrigerator evaporator, the air-conditioner branch circuit comprises the air-conditioner evaporator, the control system is used for sensing the temperature of the outside and the temperature of the refrigerator chamber, controlling on and off of the refrigeration system according to the temperature of the outside and the temperature of the refrigerator chamber, and controlling at least one of the air-conditioner evaporator and the refrigerator evaporator to work when the refrigeration system starts.

The invention discloses a refrigerating capacity analysis based energy-saving benefit computing method of a cryogenic liquid expansion machine. The inlet and outlet pressure and temperature of the liquid expansion machine are firstly acquired; the unit refrigerating capacity of the liquid expansion machine is computed; then the inlet and outlet pressure and temperature of a gas expansion machine are acquired; the unit refrigerating capacity of the gas expansion machine is computed; based on the principle that the refrigerating capacity is not changed before and after the liquid expansion machine is additionally arranged in an air separation device, the air treatment capacity needing to be added for the gas expansion machine when the liquid expansion machine is not used is computed, and then the compressed air amount which should be added by a supercharger is obtained; and extra power consumed by the supercharger is computed and obtained accordingly, power output by a recovery throttlepressure head of the liquid expansion machine is considered, and computing to the comprehensive energy-saving benefit generated after the liquid expansion machine is additionally arranged on the air separation device is achieved. The simple and convenient method is provided for the energy-saving benefit analysis after the liquid expansion machine is additionally arranged on the air separation device, and great significance is achieved on promoting large industrial air separation technical progress and air separation device energy saving and consumption reduction.

The invention provides an anaerobic forward osmosis membrane bioreactor process for coupling electrochemical oxidation of ammonia nitrogen, which belongs to the technical field of environmental engineering. A high-salt environment of a sodium chloride draw solution is utilized, a draw solution tank is used as an electrolytic tank, ammonia nitrogen which is not effectively intercepted by a forwardosmosis membrane is oxidized by an electrode and converted into nitrogen, and the effluent quality is improved. Compared with the conventional anaerobic forward osmosis membrane bioreactor process, the ammonia nitrogen removal efficiency provided in the invention is improved by 20%-25%. A stainless steel mesh cathode is tightly attached to the forward osmosis membrane and can improve the mass transfer effect of a membrane interface layer while serving as an electrode, and therefore the water flux is increased. The device adopts a separated structure, is divided into an anaerobic sludge mixed liquid chamber and a sodium chloride draw liquid chamber, and is simple to operate and convenient to maintain. The process has a wide application prospect, and can achieve the purposes of domestic sewage treatment and energy recovery by building a factory through coastal city site selection and utilizing easily available and recyclable seawater as a draw solution.

The invention belongs to the technical field of electric power and computing power management, and discloses a computing power management system based on distributed new energy power generation, whichmainly comprises a distributed new energy power generation module for providing electric energy based on distributed new energy power generation equipment; the intelligent computing power equipment module comprises intelligent computing power equipment, information receiving equipment and computing power supply information management equipment; the information receiving equipment acquires electric energy which can be provided by the distributed new energy power generation module; the computing power supply information management device predicts computing power supply information of the intelligent computing power device based on the obtained electric energy which can be provided; the computing power demand terminal module comprises computing power demand terminal equipment and computing power demand collection equipment; wherein the computing power demand collection equipment is used for acquiring computing power demand information of the computing power demand terminal equipment; thecomputing power management and transaction platform comprises an information collection module and a transaction matching module; in conclusion, low-cost computing power two-way transaction is effectively realized.