279results about How to "To achieve the goal of energy saving and emission reduction" patented technology

The invention provides a method and device for controlling an intelligent device. The method comprises the steps that first user identification is determined according to a first control terminal connected to an intelligent router; first set parameters for controlling at least one intelligent device are obtained according to the first user identification; the intelligent devices are controlled to start the corresponding running modes according to the first set parameters. The first user identification is obtained according to the first control terminal connected to the intelligent router, the first set parameters for controlling the intelligent devices are obtained according to the first user identification, and the intelligent devices are controlled to start the corresponding running modes according to the first set parameters. When a first user enters the preset place, the first user does not need to manually control the intelligent devices, the intelligent router can automatically control the intelligent devices in the space where the first user is located to start the running mode accustomed by the first user, true intelligent control over the intelligent devices is achieved, and the user experience of the intelligent devices is improved.

The invention provides Al-Mg high magnesium alloys for automobile body sheets and a manufacturing method thereof, belonging to the technical field of alloy materials. The invention solves the following problem: the existing 5083 series alloys have insufficient strength and poor impact resistance and surface quality when being used for the automobile bodies. The alloys comprise the following components in percentage by weight: 0.01-0.2wt% of Cu, 0.6-0.9wt% of Mn, 4.9-5.6wt% of Mg; 0.05-0.2wt% of Cr, 0.1-1.5wt% of Zn, 0.005-0.01wt% of Be, 0.05-0.2wt% of Ti, 0.05-0.2wt% of Zr, not more than 0.2wt% of Si, not more than 0.3wt% of Fe and the balance Al. The alloys have the advantages of high strength and good plasticity and corrosion resistance.

The invention discloses a vehicle economy cruise control method based on an engine universal characteristic. Economy cruise adopts vehicle economy as a control target. A structure diagram of the control method comprises a safe interval judging module, a running resistance computing unit, an engine universal characteristic curve identifying module, an engine fuel consumption rate optimizing module, an executing control module, an engine, a vehicle ECU (Electronic Control Unit) and a sensor measurement signal. On the basis of ensuring the running safety of the vehicle, and according to the change of road resistance to the vehicle during running of the vehicle, the method is implemented through a closed loop control system which controlling the engine to always operate in an economy area of the engine universal characteristic, namely, the vehicle speed is regulated through controlling the openness of a throttling valve in real time to adapt to the change of the running resistance of the vehicle, so that the vehicle always cruises and runs at an economy speed. Therefore, according to the invention, the fuel economy of the engine can be effectively improved, the fuel consumption of the vehicle per one hundred kilometers can be effectively reduced, and the purposes of saving energy and reducing emission are well realized.

The invention provides Al-Mg alloys for automobile body sheets and a manufacturing method thereof, belonging to the technical field of alloy materials. The invention solves the problem that the existing 5754 series alloys have poor strength and impact resistance. The alloys comprise the following components in percentage by weight: 0.001-0.25wt% of Cu, 0.05-0.35wt% of Mn, 2.5-3.5wt% of Mg; 0.005-0.25wt% of Cr, 0.008-0.8wt% of Zn, 0.01-0.15wt% of Ti, 0.001-0.2wt% of Zr, not more than 0.2wt% of Si, not more than 0.3wt% of Fe and the balance Al. The alloys have the advantages of good impact resistance and plasticity and strong feasibility, and the manufacturing method has the advantage of realizing the aims of energy conservation and emission reduction in the process of machining.

The invention provides a heat treatment method of a spiral bevel gear of a cargo truck on double-row rare earth carburization equipment, and relates to a carburization heat treatment technological process of the spiral bevel gear of the cargo truck. The invention solves the problems that energy consumption of carburization heat treatment is high, production cost of a product is high and carburization quenching and gear thermal distortion still exist in a carburization process. The method provided by the invention comprises the following steps of: taking a preheating zone as a strong leakage region 1 and taking a carburizing region as a strong leakage region 2, namely taking a region II and a region III as a carburizing speed main control region and taking a region IV and a region V as a metallographic structure main control region, carrying out temperature control in the regions I, II, III, IV and V, carrying out carbon potential control in the regions II, III, IV and V, and inputtingcarburizing medium propane gas, rare earth methanol penetrating agent, nitrogen, methanol and air into a furnace, thus the heat treatment method is realized. The metallographic structure and surface hardness of the spiral bevel gear subjected to the heat treatment method provided by the invention are all optimized, and heat treatment quality of the spiral bevel gear is improved; meanwhile, capacity is improved by 23%, heat treatment production cost is reduced by 18.9%, and pollution of exhaust emission to the environment is reduced.

The invention provides an aluminum-magnetism aluminum alloy for an automobile body plate of an automobile and a manufacturing method thereof, belongs to the technical field of alloy materials and aims to solve the problem of non-ideal intensity and dent resistance of a conventional 5XXX series aluminum alloy. The aluminum-magnetism aluminum alloy for the automobile body plate of the automobile comprises the following components in percentage by weight: 0.3 to 0.8 percent of Cu, 0.2 to 0.45 percent of Mn, 3.6 to 5.6 percent of Mg, 0.05 to 0.2 percent of Cr, 0.1 to 0.5 percent of Zn, 0.005 to 0.01 percent of Be, 0.05 to 0.2 percent of Ti, 0.05 to 0.1 percent of Zr, less than or equal to 0.1 percent of Si, 0.05 to 0.3 percent of rare earth element, less than or equal to 0.35 percent of Fe and the balance of Al. The aluminum-magnetism aluminum alloy for the automobile body plate of the automobile has the advantages of high intensity, high tensile property, high plasticity and high shock resistance.

The invention belongs to the technical field of building materials, in particular to a non-autoclaved and unburned brick and a preparation method thereof. The non-autoclaved and unburned brick is characterized in that: the non-autoclaved and unburned brick is formed by stirring high phosphorus hematite tailing, cement, aggregate, gypsum, a compound admixture and water, pressing and curing, wherein the raw material of the high phosphorus hematite tailing accounts for 78 to 80 percent of the mass of the high phosphorus hematite tailing; the raw materials of the cement accounts for 10 to 15 percent of the mass of the cement; the raw material of the aggregate accounts for 5 to 10 percent of the mass of the aggregate; the raw material of the gypsum accounts for 2 to 4 percent of the mass of the gypsum; the adding amount of the compound admixture accounts for 2.01 to 2.07 percent of the cement amount (mass); and the adding amount of the water accounts for 10 to 15 percent of the total mass of the high phosphorus hematite tailing, the cement, the aggregate and the gypsum. In the method, the utilization rate of the high phosphorus hematite tailing is high; clay is not used; the formation of the brick is good; the cost is low; the brick is not required to be sintered; heat energy is not needed; a great amount of energy is saved; and the aim of energy conservation and emission reduction is achieved.

The invention discloses a multi-parent genetic algorithm air source heat pump multi-objective optimization control method based on a radial basis function neural network. The method comprises the following steps that 1, input and output variables are input into a system according to user requirements; 2, creating, training and testing a radial basis function neural network; 3, performing multi-objective optimization on an air source heat pump by using a multi-parent genetic algorithm based on the trained radial basis function neural network; and 4, obtaining the parameter value of the input variable of the optimal solution according to the Pareto solution through the above steps, and transmitting the obtained input variable value to the system to adjust the control quantity of the heat pump. The multi-objective optimization of the COP heating capacity Qh or the carbon dioxide release amount m and the heating capacity Qh of the system can be rapidly realized while the precision is high.

The invention relates to a heat insulation super-weather-proof powder coating which comprises an epoxy resin particle system and a fluorocarbon resin particle system, wherein the epoxy resin particle system contains epoxy resin and a curing agent A, the fluorocarbon resin particle system contains fluorocarbon resin, a curing agent B and a heat insulation material. The ratio of parts by weight for the epoxy resin particle system and the fluorocarbon resin particle system is 6-4:4-6. The heat insulation super-weather-proof powder coating not only has good heat insulation, weather-proof and corrosion-resistant performance, but also can achieve self-layering after one-time coating, and is simple to construct.

The invention discloses a washing and drying all-in-one machine and a dry judging method thereof. The washing and drying all-in-one machine and the dry judging method thereof are characterized in that the load capacity in a drying barrel is detected in advance to calculate the operation estimated time T0 of a drying process under the corresponding load capacity. Heat drying is conducted on loads in the drying barrel, the drying time is shortened, and drying energy consumption is lowered. Heating wires stop working after meeting any following conditions that the temperature value in the drying barrel is obviously changed; the temperature value in the drying barrel exceeds an upper limit; the time T of the entire drying process reaches the operation estimated time T0 of the drying process. Moreover, when the three conditions all lose efficacy, the heating wires are controlled to stop working through the following condition that the entire drying time T is larger than the maximum operation time Tmax of the drying process. Through the washing and drying all-in-one machine and the dry judging method thereof, the purpose of accurately judging the work time of a drying machine is achieved, and the effect of lowering the power consumption of the washing and drying all-in-one machine is achieved.

The invention discloses hydrodynamic cavitation sewage treatment equipment, which comprises a water pump, a main pipeline, a cavitator 1, a cavitator 2, an impinging stream chamber, a pressure gage 1, a pressure gage 2, a valve 1, a valve 2, a valve 3, a valve 4, a valve 5, a water tank 1, a water tank 2, a detection device, a drainage pipe, a return pipe, an overflow pipe, a branch pipeline 1, a branch pipeline 2, a support and a base. The two cavitators are concentrically and symmetrically arranged at two sides of the impinging stream chamber; sewage in the water tank 2 arrives the main pipeline through the water pump, respectively flows into the branch pipeline 1 and the branch pipeline 2, and then enters the cavitator 1 and the cavitator 2; the liquid subjected to cavitation treatment is sprayed out from the end parts of the cavitator 1 and the cavitator 2 so as to accomplish impinging in the impinging stream chamber. Each cavitator is formed by a Venturi tube, a perforated plate, a porous cavitation nozzle and an impinging nozzle. The hydrodynamic cavitation of the perforated plates, the internal cavitation of the Venturi tubes and the cavitation of the porous nozzles are organically combined, and the cavitation is intensified by additionally arranging the impinging nozzles, so that a cavitation effect with the highest level is achieved.

The invention discloses an incineration treatment process for nitrogen-containing organic wastes, which includes: a, sending wastes into an incinerator to incinerate at a high temperature and maintaining the incineration temperature by injecting after-burning fuel; b, injecting combustion-supporting air which is divided into primary air and secondary air according to a certain proportion into a fire chamber for supporting combustion; c, injecting reducing agents to the tail of a hot oxidation furnace and reducing part of NOx in flue gas by the SNCR (selective non-catalytic reduction) method; d, leading high-temperature flue gas from the hot oxidation furnace into a waste heat boiler to recover part of heat; e, leading the flue gas from the waste heat boiler into an SCR(selective catalytic reduction) treater to reduce content of NOx in flue gas further; and f, further recovering afterheat of flue gas by the aid of an air preheater arranged at the downstream of the SCR treater and then discharging flue gas through a chimney. The incineration treatment process is simple and low in cost for incineration of organic wastes, denitration efficiency can be guaranteed by a two-stage denitration process, emission standards can be met, afterheat of flue gas can be recovered, and accordingly the incineration treatment process can be applied to the similar organic waste treatment projections in the chemical industry.

The invention relates to a wet granulation method of carbon black. The wet granulation method comprises the specific following operation steps: step 1, cracking acetylene gas so as to form a powdery carbon black raw material and collecting industrial exhaust gas generated by the cracking; and step 2, granulating the powdery carbon black raw material, directly burning the industrial exhaust gas collected in the step 1 by virtue of a hot-blast stove device to generate hot-blast air, and drying carbon black granules by virtue of the hot-blast air generated by the burning. A wet granulation manufacturing system of carbon black comprises an acetylene gas cracking device, a carbon black drying device as well as an exhaust gas collection device and the hot-blast stove device, wherein an exhaust gas outlet is formed in the acetylene gas cracking device; the exhaust gas collection device is provided with a collection tank which is communicated with the exhaust gas outlet and a combustible gas inlet is connected to the collection tank. According to the wet granulation method, the carbon black granules are dried in a manner of burning exhaust gas so that the resources can be recycled and the purposes of energy conservation and emission reduction are achieved. According to the structural design of the system, the heat is supplied by virtue of the exhaust gas and thus the resources can be saved.

The invention relates to a low temperature dyeing technology for pure cotton fabrics. The technology which adopts low temperature preprocessing, polishing and low temperature dyeing one-bath process comprises the following steps: 1, carrying out low temperature preprocessing: adding a dyeing one-bath assistant to a dye solution, adjusting the temperature to 40-60DEG C, and continuously reacting for 15-30min; 2, polishing: adjusting the temperature to 35-60DEG C and the pH value to 5.5-6, adding a neutral polishing enzyme having a weight accounting for 0.2-0.5% of the weight of the fabrics, and continuously reacting for 15-20min; and 3, carrying out low temperature dyeing: adjusting the temperature to 35-45DEG C, sequentially adding a low temperature active dye, anhydrous sodium sulfate, soda ash and a caustic soda solution at a certain time interval, and reacting. The low temperature dyeing technology has the advantages of simple operation, small pollution, low energy consumption and the like.

The invention relates to an air conditioning energy saving device based on a Stirling machine and condensate water recycling technology and an application, and belongs to the field of air conditioners, refrigerators, Stirling machines and condensate water recycling technologies. The air conditioning energy saving device comprises two major parts, namely, a condensate water recycling device and a Stirling machine energy saving device, wherein the condensate water recycling device is mainly composed of a condensate water distributing device and a condensate water collecting pipe, and the air conditioner waste cold is subjected to recycling and reusing; and the Stirling machine energy saving device is mainly composed of four parts, namely an operating mechanism, a power mechanism, a starting and reversing mechanism and a control guarantee mechanism, and the air conditioner waste cold heat is reused. The conditioning energy saving device provided by the invention fully utilize the waste cold and the waste heat generated by an air conditioner according to a thinking that the heat is utilized to carry out heat dissipation and the waste cold is utilized to reduce consumption, the energy consumption of a fixed frequency air conditioner can be reduced by about 3%, the energy consumption of a variable frequency air conditioner is reduced by about 6%, in addition, the heat discharge of the air conditioner is reduced, an urban heat island effect is relieved, the energy conservation and emission reduction of an air conditioner cooling system is realized, and the air conditioning energy saving device has better air economic and social benefits.

The invention provides a washing technology of active dye detergent. A dyed product is dried after successively cold wash, acid soap wash, alkali wash, hot wash and warm wash, wherein cold wash is carried out by adopting room temperature water to wash for 1-3 lattices; acid soap wash is carried out by soap in soap wash solution at the temperature of 40-60 DEG C for 1-2 lattices, the pH value of soap wash solution is 3-5, and consumption amount of detergent in soap solution is 0.6-1.2 g / l; alkali wash is carried out by washing in alkaline solution of which the pH is 8-10 at the temperature of 40-50 DEG C; hot wash is carried out by washing in hot water at the temperature of 90-95 DEG C for 1-2 lattices; and warm wash is characterized in washing in warm water at the temperature of 45-60 DEG C for 1-2 lattices. The invention is suitable for washing technology after active dye pad dyeing and has the advantages that the washing technology carries out soap wash at acid condition, has low soap wash temperature and few washing procedures, and can save a great quantity of water and steam. The rubbing fastness and soaping fastness of washed textile are superior to those of conventional washing technology.

The invention discloses an automobile energy-saving control system which belongs to the field of automobile manufacturing. The control method of the automobile energy-saving control system comprises: an engine controller is used for acquiring a speed signal, a throttle signal, a neutral position signal and a clutch pedal signal; if the speed signal acquired by the engine controller is greater than zero and less than or equal to a second trigger speed setting value and the engine controller also simultaneously acquires a throttle complete release signal, the neutral position signal and a clutch pedal complete release signal, the engine is controlled to automatically stop; or else, the engine is controlled to run as usual. According to the invention, the defect of oil waste in the idle state during traveling at ordinary times can be solved by changing the idle state into the engine dead state, thus the goals of energy saving and emission reduction are realized.

The invention discloses a method for automatically adjusting belt conveyor speed. The method comprises the steps of S1, collection, S2, material weight determination, and S3, belt conveyor speed adjustment. In S1, the real-time operation speed of the belt conveyor and the material information of the belt conveyor are collected by cameras located at two sides of the belt conveyor, wherein the material information comprises the material height information and material width information. In S2, the material size is calculated based on the material information, and the material weight information is obtained based on the material size and a preset material density. In S3, a target operation speed of the belt conveyor is calculated based on the material weight information, and the operation speed of the belt conveyor is calculated based on the target operation speed and the real-time operation speed. According to the method and device for automatically adjusting the belt conveyor speed, the goal of saving energy and reducing emission is achieved through the real-time adjustment of the operation speed of the belt conveyor and reduction of the drive power of the belt conveyor.

The invention provides a LoRa-based wireless remote intelligent air conditioner control system and method. The control system comprises an intelligent terminal, a cloud server, a wireless routing gateway and infrared remote controllers. The wireless routing gateway is internally provided with a gateway module, and the wireless routing gateway is connected to the internet of things through the gateway module and is in communication connection with the cloud server. The wireless routing gateway and the infrared remote controllers are all internally provided with LoRa modules, the wireless routing gateway and the infrared remote controllers perform two-way communication through the LoRa, and the multiple infrared remote controllers and the wireless routing gateway located within the LoRa communication transmission distance form a star topology structure based on LoRa communication. The infrared remote controllers are internally provided with infrared emission modules, and the infrared remote controllers control air conditioners located within the infrared communication transmission distance through the infrared emission modules. According to the LoRa-based wireless remote intelligentair conditioner control system and method, remote intelligent monitoring is adopted, concentrated intelligent management and control of multiple air conditioners can be realized, resource waste is effectively avoided, energy is saved, and emission is reduced.

The invention relates to an electrical filter board which is an anode-cathode integrated filter board prepared from an anode electrocatalysis material, a cathode electrocatalysis material and a microelectrolysis material or a plate-shaped anode or cathode filter board prepared from the anode or cathode electrocatalysis material, the microelectrolysis material and a conductive material. When the electrical filter board is cooperatively used with a novel parallel plate-type ultrasonic reactor in treatment of highly concentrated organic wastewater, a substantial synergistic effect is obtained; organic compounds in the wastewater are degraded into micromolecular compounds through reactions like electrocatalysis, microelectrolysis and electric flocculation initiated by the electrical filter board and through strongly oxidizing .OH generated by ultrasonic treatment, so biodegradability of the wastewater is improved; moreover, a mechanical shearing effect generated by ultrasonic treatment can effectively clean oxides on the electrical filter board, so disadvantages that a traditional electrocatalysis material easily undergoes inactivation and passivation and a traditional microelectrolysis material easily undergoes hardening are overcome, electrochemical reactivity is guaranteed, and treating efficiency is improved.

The invention discloses a multiple-effect automobile exhaust purification device, comprising a water tank, a mist spray purification tube, a gas-liquid separation settling tank, a gas treatment tube and a liquid treatment tube. The device is based on a washing and showering exhaust purifying principle, through carrying out water atomization and gas and liquid separation on exhaust, further purification treatment is carried out, a three-way catalyst is adopted for converting harmful gas not subjected to water atomization in gas into pollution-free gas to be discharged to the atmosphere, active carbon adsorption is used for removing harmful substances in liquid obtained by settling through water atomization, and the purified water is recycled through the water tank. The multiple-effect automobile exhaust purification device can be used for not only greatly reducing emission of particles, but also carrying out hazard-free treatment on the harmful gas and realizing recycle of water, so that the goals of energy conservation and emission reduction are really achieved.

The invention discloses a lighting energy-efficiency tracking control and management device for street lamps. The lighting energy-efficiency tracking control and management device comprises a CPU (central processing unit) control unit, a luminance detecting module, a voltage detecting module, a current detecting module, an I / O (input / output) control module, a wireless remote-control monitoring module, a communication module, a storage module, a liquid crystal display screen and a keyboard module. The luminance detecting module, the voltage detecting module, the current detecting module, the I / O control module, the wireless remote-control monitoring module, the communication module, the storage module, the liquid crystal display screen and the keyboard module are connected with the CPU control unit respectively. By the lighting energy-efficiency tracking control and management device which can be used independently or used with the internet, intelligent control of lighting and monitoring of energy loss of the street lamps can be realized, and devices for energy-efficiency tracking control of the lighting system of the street lamps in the prior art, including a lighting controller, a clock controller, a light controller and a wireless transmission unit and the like, can be substituted, and energy saving and emission reduction are realized. Besides, the lighting energy-efficiency tracking control and management device is applicable to intelligentization central control and running statistics management of large public buildings, electronic factories, schools, residence districts, outdoor advertisements, street lamps and the like.

The invention discloses a thermal power plant circulating water heat supply system. The thermal power plant circulating water heat supply system comprises a heat supply network, a water supply main pipeline (11) and a back water main pipeline (12) which are respectively connected with the heat supply network, and a plurality of heating users (5), wherein, each heating user is connected with the water supply main pipeline through a heating water supply branch pipeline (13), and is connected with the back water main pipeline through a heating back water branch pipeline (14), and a flow regulating valve (30) is arranged on the heating back water branch pipeline to regulate heating temperature on the heating users. Steam (dead steam) discharged by a steam turbine is utilized to generate circulating hot water in the heat supply network, the heat supply network is used for directly supplying hot water to heating for the heating users, and therefore energy utilization efficiency of a thermal power plant is effectively improved. In addition, the thermal power plant circulating water heat supply system further comprises a hot water supply network connected with the heat supply network and a refrigeration network, heat supply, hot water supply and refrigeration network are integrated, and therefore the energy utilization of the thermal power plane is maximized, and the purposes of energy conservation and emission reduction are achieved.

The invention discloses a preparation method of a bromo-nitroaniline dye stuff intermediate, which comprises the following steps of: adding inorganic acid aqueous solution into bromide aqueous solution; stirring the mixture; adding a nitroaniline compound into the mixture; raising the temperature of the mixture to be between 35 and 55 DEG C; pulping and stirring the mixture; dropping chlorate aqueous solution into the mixture, wherein the dropping time is more than 2 hours; stirring the mixture, and raising the temperature of the mixture to between 65 and 75 DEG C; filtering the mixture after reaction; washing a filter cake until the pH value is 5 to 8; and drying the filter cake to obtain the bromo-nitroaniline dye stuff intermediate. The product obtained by adopting the method has high quality and yield, the production cost is greatly reduced, the process is simple, and simultaneously, the pollution, caused by waste gases containing hydrogen bromide and waste water containing bromide salts, to the environment is greatly cut down.

The invention discloses a process for extracting vanadium from stone coal by an acid method for performing curing pretreatment on raw ore, which mainly comprises the steps of raw ore grinding, acid leaching, liquid-solid separation, solution pretreatment, extraction and back-extraction, oxidation, vanadium precipitation, red vanadium obtaining and deamination. Before the step of acid leaching, the process also comprises raw ore curing pretreatment steps, namely, smashing the raw ore and filling the smashed raw ore in a furnace, curing and heating the smashed raw ore, taking a clinker out and wet milling the clinker. The invention can destroy the isomorphism of vanadium, remarkably improve the leaching rate of V2O5, and can improve the leaching rate of the V2O5 from 30-50 percent to 65-75 percent, reduces iron content in a solution by half to one third, improves filtering and depositing performances of acid dipping slurry, has no environmental pollution because no chemical agent is added in the curing step, and achieves the aim of saving energy and reducing emission by comprehensively using the own heat energy of the stone coal.

The present invention relates to the field of production of chemical products, and in particular relates to a sodium metabisulfite production method which is as follows: sulfur is sent by compressed air into a combustion furnace for combustion at 600-800 DEG C, air addition amount is about 2 times of the theoretical amount, gas SO2 concentration is 10%-13%, after cooling dust removal and filtration, sublimed sulfur and other impurities are removed, gas temperature is reduced to about 50 DEG C, the gas is introduced into a tandem reaction barrel, mother liquor and sodium carbonate are added slowly into a pulp storage barrel, a sodium sulfite suspension generated from the sodium carbonate is dissolved, and a sodium metabisulfite crystal can be produced by successively passing through a third, a second and a first reactor for absorption reaction with SO2; sodium metabisulfite prepared by the method is high in purity, utilization rate of raw materials is high, the production process is simple and easy to operate, the mother liquor and energy can be repeatedly recycled, invalid consumption of the production process can be reduced, the purpose of energy conservation and emission reduction can be achieved, production cost is reduced, and economic benefits are improved significantly.

The invention relates to a new method for separating and recycling methyl isocyanate-decomposed tail gas, which solves the problems of the cyclic utilization of HCl and CHCl3 resources and the environmental pollution. The method comprises the following steps that: (1) the methyl isocyanate-decomposed tail gas is in cyclic contact with water scrubbing liquid through a water scrubbing tower, most of HCl gas in the tail gas is absorbed by the water scrubbing liquid, and one part of CHCl3 gas is condensed by the water scrubbing liquid until the HCl weight content in the water scrubbing liquid meet the requirements; (2) after the step (1), gas which is not absorbed by the water scrubbing liquid passes through a primary condensation and a secondary condensation to condense the CHCl3 gas, and residual gas is treated by a destroying tower and is then discharged to the upper air; and (3) finally, the water scrubbing liquid containing the HCl gas is enabled to stand to stratify, a lower layer of organic phase is pumped into a CHCl3 solvent recovery tank, and an upper layer of water phase is pumped into a hydrochloric acid tank. The overall separating and recycling process has the advantages of low energy consumption, high separation rate and high yield, removes the pollution to the environment by the tail gas, and realizes the cyclic utilization of the HCl and CHCl3 resources, thereby achieving the purpose of energy saving and emission reduction.

The invention discloses an oil field water injection automatic control system and a method thereof. The oil field water injection automatic control system comprises an oil field water injection automatic control device, a frequency converter, motors, water injection pumps and a pressure sensor, and is characterized in that the motors comprise a permanent magnet synchronous motor and two asynchronous motors, and the permanent magnet synchronous motor and the two asynchronous motors are connected with the corresponding water injection pumps respectively; and the oil field water injection automatic control device acquires pipeline pressure signals through the pressure sensor, and carries out calculation on the pipeline pressure signals, thereby controlling switching and speed regulating operations of the permanent magnet synchronous motor and the asynchronous motors, and realizing smooth and steady water pressure of oil field water injection. The system and the method disclosed by the invention can effectively solve a technical problem that an existing oil field water injection control system cannot track variations of production parameters timely, which not only causes serious throttling waste, but also results in production accidents because of inappropriate regulation of operating parameters. The oil field water injection automatic control system is good in real-time performance of water injection amount regulation and high in system reliability and safety, reduces noises, saves energy, reduces emission, and improves the work efficiency.

The invention relates to an efficient movable phase change heat storage heating device. At present, a movable phase change heat storage heating device which does not require a pipe network and is high in heat energy recovery efficiency does not exist. The efficient movable phase change heat storage heating device is characterized by comprising a heat storage tank, a heat storage assembly, a steam pipe, a cold water pipe, a plurality of heating pipe rows, a bottom hot water pipe, a condensed water pipe, a hot water thermoregulation pipe and an air exhaust pipe. The heat storage assembly comprises a plurality of heat storage aluminum foil bags, phase change materials are arranged in the heat storage aluminum foil bags, the heat storage aluminum foil bags are installed inside the heat storage tank, each heating pipe row comprises a plurality of steam branch pipes, the heating pipe rows are perpendicularly installed inside the heat storage tank, the cold water pipe comprises a main pipe body and a plurality of branch pipe bodies, the branch pipe bodies are all perpendicularly fixed to the main pipe body and arranged in parallel, the bottom hot water pipe is located on the lower middle portion of the heat storage tank, and the two ends of the hot water thermoregulation pipe are connected to the cold water pipe and the bottom hot water pipe respectively. The efficient movable phase change heat storage heating device is reasonable in structural design and high in heat energy recovery efficiency.

The invention relates to the technical field of heat recovery systems, and in particular to a sterilizer heat recovery system. The sterilizer heat recovery system comprises a sterilizer, a vapor generator, a heat exchanger, an insulating water tank and a water mixer, wherein the heat exchanger comprises a cold fluid inlet, a cold fluid outlet, a hot fluid inlet and a hot fluid outlet; the cold fluid inlet communicates with the cold fluid outlet through a cold flowing pipe in the heat exchanger; the hot fluid inlet communicates with the hot fluid outlet through a hot flowing pipe in the heat exchanger; and the hot fluid inlet communicates with a waste vapor outlet. According to the sterilizer heat recovery system disclosed by the invention, after the sterilizer is sterilized, the obtained waste vapor enters the heat exchanger for heat exchanging; after the heat exchanging of waste vapor is performed, the obtained waste water is discharged into a sewage, the hot water obtained through heat exchanging is supplied to the vapor generator or is used for daily washing, brushing or bathing after passing through the water mixer; on one side, the problems of air pollution and discharging ofhigh-temperature waste water and waste vapor generated by the discharging of high-temperature gas are solved, and on the other side, through heat exchanging, the recovery of heat quantity is realized,and the purposes of saving energy and reducing emission are realized.