66results about How to "Reach the goal of energy saving and emission reduction" patented technology

The invention provides an independent primary air system provided with a heat pipe exchanger. The independent primary air system is characterized by comprising a precooling unit, a cooling dehumidification unit, a reheating unit and an air supply unit. The precooling unit, the cooling dehumidification unit, the reheating unit and the air supply unit are sequentially arranged between an inlet and an outlet of the primary air system; the air supply system is arranged on the outlet of the primary air system. Primary air is precooled through an evaporator side of the heat pipe exchanger; the preprocessed primary air is cooled again through the cooling dehumidification unit; the primary air is bent through an air pipe and then heated again through a condenser side of the heat pipe exchanger; the processed air is sent indoors through the air supply unit, and indoor temperature and humidity are controlled to be 26 DEG C + / -0.5 DEG C and 50%+ / -1%. The heat pipe exchanger of the independent primary air system achieves heat recovery in the precooling unit and the reheating unit, heat exchange efficiency is high, extra energy loss is avoided, and discharged heat can be recovered to the maximum; indoor air quality is improved; finally an air-conditioning system can save energy by 6%-9%.

The invention discloses an intelligent multiple-elevator system based on vision. The system comprises N elevators and elevator control systems, wherein, N is more than or equal to 2, and are characterized in that cameras are respectively arranged in the elevators and each floor; each camera is connected with the elevator control system; the elevator control system is provided with an elevator people counting module which is used for counting the number of people waiting for the elevator on each floor and the number of people in the elevator, and an elevator people control module which is usedfor controlling the stop of the elevator according to the number of people waiting for the elevator on each floor and the number of people in the elevator counted by the elevator people counting module. The multiple intelligent elevator systems provided by the invention are suitable for multiple elevator systems, and have the characteristics of low cost, and good energy-saving and emission-reducing effects.

The invention discloses an electronic sphygmomanometer based on KororKoff sound. The electronic sphygmomanometer comprises a cuff, a gas pressure adjusting module, a KororKoff sound extracting module,a control module, a gas pressure extracting module, a pulse wave extracting module and a display module. The KororKoff sound extracting module is used for extracting KororKoff sound signals, carryingout filtering, denoising and amplifying on the KororKoff sound signals and outputting the KororKoff sound signals to the control module. The gas pressure adjusting module is used for automatically inflating and deflating the cuff under control of the control module. The gas pressure extracting module is used for measuring gas pressure signals in the cuff and outputting the gas pressure signals tothe control module and the pulse signal extracting module. The pulse wave extracting module is used for extracting pulse wave signals in the gas pressure signals and outputting the pulse wave signalsto the control module. The display module is used for receiving input signals of the control module. The invention further discloses a blood pressure measuring method of the electronic sphygmomanometer based on the KororKoff sound. Automatic inflation and deflation and automatic measurement are achieved.

The invention discloses a method for sustainably complementing metallic cations in plating solution. In the process of plating, the plating solution in a plating device is delivered into a cation generator; the cation generator can generate coated metal cations during working; the plating solution containing the metal cations is delivered back to the plating device; and the steps are circulated so as to complement the metallic cations consumed in the plating solution of the plating device. The method can sustainably complement the metallic cations consumed in the plating solution, so as to avoid pouring the plating solution lacking the cations and preparing new plating solution again. By the method, the plating solution can be continuously used, the service life of the plating solution is prolonged, the plating solution does not be wasted so as to reduce production cost, and environmental pollution is reduced to achieve the aims of saving energy and reducing emission.

The invention discloses an engine oil filtering, cooling and preheating integrated system and method. The system comprises a filtering submodule, a cooling submodule, a preheating submodule and an oil path switch submodule, wherein the preheating submodule comprises a main module body, an exhaust inlet / outlet pipe and an exhaust circulating pipe; an engine oil inlet / outlet is arranged at the bottom of the main module body; the filtering submodule is connected with an oil sump through an engine oil pump; the input end of the oil path switch submodule is connected with the filtering submodule; and the oil path switch submodule can intelligently choose to trigger engine oil heating or engine oil cooling according to the engine oil temperature. The system provided by the invention has the advantages that engine oil can be filtered, cooled and preheated; the integrated degree is high, the operation is reliable, and energy conservation and environmental protection are achieved; according to the working condition requirements, the engine oil temperature can be managed to remain in the optimum state; and therefore, the engine heating period is shortened, the engine cold-starting performance is improved, and the friction loss and the abrasion of engine parts are reduced.

A totally-enclosed flue gas circulation system of a straw gasification stove comprises two enclosed circulation systems; one is the enclosed circulation system for a flue gas produced at the starting of the straw gasification stove and the other is the enclosed circulation system for the flue gas produced by the combustion of a combustion device. Greenhouse gases such as carbon dioxide in the flue gas is delivered to a gasification zone in the straw gasification stove or a combustion chamber in the combustion device (stove) and is converted into carbon monoxide at high temperature condition; the heat is released after combustion and the thermal energy utilization rates of carbon, hydrogen and oxygen are greatly improved; a self-closed and circulated clean production system is formed and the purpose of energy conservation and emission reduction is achieved.

The invention relates to a production method for making a high-grade cardboard using brush wood sheet hot grinding pulp to replace OCC (obsolescence corrugated cardboard) pulp. The production method comprises the following steps of pulp preparation: using waste box cardboards to prepare OCC pulp; using ONP (old news paper) to prepare ONP pulp; using brush wood sheets to prepare wood chip pulp, mixing the wood chip pulp, saccharomyces chevalieri and a binder, and culturing; pulp blending: using the ONP pulp as a grey board topcoat layer; mixing the OCC pulp and the wood chip pulp to form a grey board liner layer; mixing the OCC pulp and the wood chip pulp to form a grey board core layer; mixing the OCC pulp and the wood chip pulp to form a grey board bottom layer; paper making: using the approaching pulp to make the paper. Compared with the prior art, the production method has the advantages that the wood chip pulp is cultured by microorganisms, so that the thickness, compactness and stiffness of grey board are improved; the raw material structure of the grey board is optimized, the usage amount of OCC waste paper is reduced, the problem of raw material cost of the grey board is reduced, and the economic benefit is obviously improved.

The invention relates to an energy-saving and environment-friendly printer, comprising a printer body and a drying device (10). The energy-saving and environment-friendly printer is characterized in that the drying device (10) comprises an oven cap (20) and a base (50), and is provided with a printing product inlet (03) and a printing product outlet (04); the oven cap (20) is provided with a drying cavity (13) and a recovering cavity (14); an air supply unit (60), a heat pump condenser (88) and a refrigerating evaporator (96) are arranged in the oven cap (20); the air supply unit (60) comprises a fan (30) provided with an air inlet channel (63), an air exhaust channel (64) and an air outlet channel (68) to form an air blowing and circulating system; the heat pump condenser (88) is installed in the air supply unit (60), and the refrigerating evaporator (96) is installed in the recovering cavity (14). In the invention, drying equipment is firstly reformed, and an air channel with skillful interior is utilized to replace the original air channel with complicated structure and signal function, thereby the effects of compact structure, space saving and reduction of material consumption are achieved.

The invention relates to a sludge drying process and equipment. The process is: pretreat the sludge with high moisture content until the moisture content is lower than the set value, keep the temperature of the sludge constant, and input it into the sludge drying equipment, in which the sludge is continuously discharged to the It is pushed by the mouth, and the sludge is heated to above 120°C, accompanied by continuous stirring and crushing, and at the same time, the water vapor volatilized from the sludge is continuously drawn out by the air-inducing equipment until the sludge with the required moisture content is produced. The sludge is discharged from the drying equipment. The sludge drying equipment is produced for the improvement of the traditional hollow paddle dryer. The process of the present invention is simple and easy to operate, runs smoothly, and can make the degree of sludge drying more controllable, the sludge treatment capacity is larger, and there is no risk of secondary pollution; the equipment of the present invention has simple structure, stable operating performance, and high efficiency. High, and can achieve the goal of energy saving and emission reduction, it is expected to be widely used in the field of environmental protection and in chemical, pharmaceutical, food and other industries.

The invention discloses a comprehensive recycling technology for iron removal slag and blast furnace soot produced in the zinc smelting process adopting the high acid leaching wet method. The comprehensive recycling technology mainly comprises the processing steps of raw material preparation, magnetic roasting and magnetic separation of cinder; specifically, the iron removal slag, sulfur ore concentrate, blast furnace soot and solid fuel are mixed according to proportion to realize the step of mixed raw material preparation; the mixed raw material is fed into a magnetic roasting fluidized bed roaster for magnetic roasting so as to obtain cinder, smoke dust is recovered through waste heat of a waste heat boiler, and the smoke dust is delivered to an acid making system for acid making after being recovered, so that the step of the acid making is realized; the cinder is mixed with the smoke dust for magnetic separation after being levigated to obtain iron ore concentrate and magnetic separation tailings, and the magnetic separation tailings are used as the raw material from which the valuable metals, such as zinc and indium, are extracted, so that the step of magnetic separation of cinder is realized. The technology has the advantages that the problems influencing heat balance and oxygen balance of iron removal slag boiling-bed roasting, and the availability of roasting smoke are skillfully solved, the domestic and foreign common problems about pile-up of iron removal slag and blast furnace soot are solved, the pollution hazards are reduced, and the valuable element in the iron removal slag and blast furnace soot can be comprehensively utilized.

The invention belongs to the technical field of seawater desalination, in particular to a low-pressure membrane method seawater desalination device. The device includes a shell, a reverse osmosis membrane is arranged at the bottom of an inner cavity of the shell, the reverse osmosis membrane is used for filtering seawater, a pressure sensor is arranged in the inner cavity of the shell, the pressure sensor is positioned above the reverse osmosis membrane and is used for measuring the pressure at the reverse osmosis membrane, a solar power generation module is arranged at the top end of the shell, the solar power generation module is used for generating power and storing electric quantity, a storage groove is formed in the side wall of the shell, an expansion air bag is arranged in the storage groove, and resistance wires are arranged at the two ends of the expansion air bag; according to the invention, seawater is desalinated by taking the gravity of the seawater as a working pressure,the investment of energy sources is reduced, the purposes of energy conservation and emission reduction are achieved, the structure of the seawater desalination device is simplified, and the size of the seawater desalination device is reduced, so that the seawater desalination device is suitable for seagoing vessels and civilian use and provides possibility for long-term operation at sea.

The invention discloses a hydraulic-electric hybrid drive hydraulic excavator which comprises a rotary motor, a left walking motor, a right walking motor, a moving arm, a bucket rod, a bucket, a secondary adjusting loop, a moving arm electric-hydraulic mechanical cylinder, a bucket rod electric-hydraulic mechanical cylinder and a bucket electric-hydraulic mechanical cylinder. According to the hydraulic-electric hybrid drive hydraulic excavator, the moving arm electric-hydraulic mechanical cylinder, the bucket rod electric-hydraulic mechanical cylinder and the bucket electric-hydraulic mechanical cylinder are used for replacing traditional hydraulic cylinders, and hydraulic and electric hybrid drive is achieved. The hydraulic-electric hybrid drive hydraulic excavator has the advantages of being simple in structure, energy-saving, efficient, easy to implement and the like.

An electricity-gas interconnected comprehensive energy system optimization scheduling method containing P2G wind curtailment start and stop comprises the steps of: constructing an optimization scheduling model, wherein target functions of the optimization scheduling model comprise a unit operation cost minimum function, a wind curtailment penalty function and a carbon emission weight function; constructing constraint conditions of the optimal scheduling model, including power network constraints and natural gas network constraints, the power network constraints including electric power balanceconstraints, generator set power constraints, P2G power constraints, node voltage constraints, balance node phase angle constraints and line power constraints, wherein the natural gas network constraints include gas source point constraints, pipeline flow constraints, pipe storage constraints, gas storage tank capacity constraints, compressor flow constraints and node energy balance. P2G wind curtailment start and stop constraint: enabling the input power of P2G equipment to be all from wind curtailment power in the system operation process; and when the system has no wind curtailment, the P2G equipment is in a closed state. According to the method, the carbon emission can be effectively reduced, and the unit operation cost is reduced; and meanwhile, the established model has more practical benefits.

The invention provides a twelve-gear electronic control mechanical type automatic transmission which comprises a six-gear main box, a two-gear subsidiary box, a clutch and an electronic control unit. By the adoption of a main and subsidiary box structure, electronic control gas drive structures are adopted in a gear shift execution mechanism of the main box and a gear shift execution mechanism of the subsidiary box, a gas source of a vehicle is fully utilized, increase of the cost is reduced, and meanwhile the reliability of a system can be improved; meanwhile, an electronic control pneumatic clutch control system is adopted, and therefore power transmission is controlled by fully utilizing the gas source of the vehicle and the character of large separating force of the clutch; in the whole electronic control pneumatic arrangement and connection processes, the modularization arrangement is adopted, different execution mechanisms and electronic control equipment are arranged nearby, signals are collected, fed back and sent to the different parts through lines, and corresponding operation is finished through control over a gas channel; the ability to adapt to and match with transmissions of different mechanical design structures is improved, repair and maintenance can be carried out specifically, the structure is simple, the cost is low, and controlling is convenient and direct to carry out.

The invention discloses a waste heat ammonia distillation device and a waste heat ammonia distillation method for a gas primary cooler. The waste heat ammonia distillation device for the gas primary cooler comprises an ammonia distillation tower, wherein the ammonia distillation tower comprises a flashing section and a dephlegmator, a residual ammonia water is formed in the upper part of the ammonia distillation tower, a waste water outlet is formed in the bottom of the flashing section, a waste water inlet is formed in the upper part of the waste water outlet, the waste water outlet is connected with a waste water circulating pump, the waste water circulating pump is connected with the upper section of the primary cooler, the upper section of the primary cooler is connected with the waste water inlet in the upper part of the flashing section of the flashing tower, an outlet in the top of the dephlegmator is connected with an inlet of a condenser, an outlet of the condenser is connected with an inlet in the middle part of a gas-liquid separator, an outlet in the upper part of the gas-liquid separator is connected with a vacuum system, noncondensable gas pumped from the vacuum system is sent back into a gas pipeline, and an outlet in the bottom of the gas-liquid separator is connected with a follow-up system. The waste heat ammonia distillation device for the gas primary cooler has the advantages that heat of a high-temperature part in saturated raw gas of the gas primary cooler is recycled as a residual ammonia water ammonia distillation heat source, less ammonia distillation waste water is discharged, usage amount of circulating cooling water of the gas primary cooler is reduced, and the aims of saving energy and reducing emission are achieved.

The invention discloses an ecological combination floating bed. An ecological floating bed is divided into an upper aquatic plant layer and a lower deep treatment layer; the aquatic plant layer is composed of a plurality of floating bed splicing plates, a planting basket is installed on each floating bed splicing plate, aquatic plants are planted in the planting baskets, the deep treatment layer is divided into a treatment zone A, a treatment zone B and a treatment zone C from outside to inside, the treatment zone A is mainly composed of zeolite loaded nano-TiO2, the treatment area B is mainly composed of an aquatic animal cage, the treatment zone C is mainly composed of an artificial medium, the floating bed is fixed by four fixing rods, and the periphery of the floating bed is made up of a fishing net. The invention also discloses an energy-saving ecological resource recycling type ecological restoration integrated system and application thereof. Three recovery technologies of micro-nano aeration, a multi-functional ecological bag and the three-dimensional partition combined ecological floating bed are combined to not only realize the removal of pollutants of water per se, but also control a bunding source and intercept pollution from the bunding source, and cause interception to bank pollutants, so as to achieve the effect of integrated ecological restoration of bank and water.

The invention discloses an energy-saving type wireless video business resource scheduling method based on user experience. Video distortion in wireless video transmission business is mainly caused by two parts, namely the distortion of an information source introduced during the encoding process and the distortion of a channel caused by transmission of video packets in an unreliable wireless channel. The power consumption of a system during the wireless video transmission business can be divided into video encoding power and video transmission power. Based on the energy-saving type wireless video business resource scheduling method, a power-business and system parameter-QoE (quality of experience) mapping model is established, and the video encoding rate and parameters of an AMC (adaptation mode controller) mode are utilized as intermediate variables for establishing a mapping model between the power consumption of the system and subjective perceptual quality of users. A target function is established according to the model so as to realize the purposes of reducing the power consumption of the system, saving energy and reducing emission on the basis of meeting the subjective perceptual quality of the users; and a PSO (particle swarm optimization) algorithm is adopted for performing resource scheduling and distribution for all the users. By adopting the technical scheme disclosed by the invention, the problems of large power consumption of the system and incapability of ensuring the subjective perceptual quality of the users in the current wireless video transmission business can be solved.

The invention discloses a pretreatment method for rectifying and recovering dimethyl formamide (DMF) waste liquid of polyurethane (PU) synthetic leather. The pretreatment method comprises the following steps: (1) pumping the DMF waste liquid from a waste water storage tank of a PU synthetic leather production line into a coarse filter consisting of a stainless steel filter screen by using an infusion pump and performing first-stage separation to obtain coarse filtration DMF waste liquid; and (2) allowing the coarse filtration DMF waste liquid obtained by first-stage separation to enter a microfiltration hollow fiber membrane separation device and performing second-stage separation to obtain a DMF fine solution for rectification and recovery. By the pretreatment method for rectifying and recovering the DMF waste liquid of the PU synthetic leather provided by the invention, the problems of high pollution and high energy consumption of rectification and recovery of the DMF waste liquid in the PU synthetic leather industry are solved; the aims of energy saving and emission reduction in the production process of the PU synthetic leather are fulfilled, and economic benefit, social benefit and environmental benefit are organically unified.

The invention discloses an automatic production process for preparing fibers by combining ramie finishing. The process comprises the following steps of: (a) feeding a ramie raw material into a softening machine, removing partial impurities by mechanical kneading, and then coiling the strip-like ramie raw material into a dipping barrel; (b) pushing the dipping barrel into a bast fiber pretreatment machine, performing vacuum pretreatment, pushing out the ramie raw material and storing the ramie raw material for 2 to 3 hours to finish dipping treatment of the ramie raw material; and (c) and sequentially performing degumming and fiber opening, impurity removal and fiber opening, washing and fiber opening, bleaching, rinsing, oil supply softening and trembling on the dipped ramie raw material by using a degumming and fiber opening machine, an impurity removal and fiber opening machine, a washing and fiber opening machine, a bleaching machine, a rinsing machine, an oil supply softening machine and a trembling machine respectively. By the process, continuous mechanical production of the whole degumming process can be realized, and the purposes of saving energy, reducing emission, reducing consumption and improving the quality of the fibers are fulfilled.

The invention belongs to the technical field of sleeper crack detecting equipment, and provides an intelligent system for detecting and marking cracks of double-block sleepers system which can improvethe automatic production and the precision of production information for double-block sleepers. The technical scheme is as follows: the system comprises a crack detection system, a spray system and aconveyor system; the crack detection systems comprises a high definition cameras and a computer; spraying system comprises an inkjet printer, a gas nozzle and an alcohol atomizing nozzle; the conveyor system comprises a conveyor belt and a sleeper position sensor; the high definition camera and the nozzle of the inkjet printer are arranged below the X-axis of a two-axis reciprocator; the gas nozzle and the alcohol atomizing nozzle are arranged below the Y-axis of the two-axis reciprocator; the gas nozzle and the alcohol atomizing nozzle clean the double-block sleepers on the conveyor belt; the high definition camera captures the surfaces of the double-block sleepers and transmits the images to the computer for crack detection; the inkjet printer prints to mark the double-block sleepers without cracks.

The invention relates to a right-hand traffic jam-removing method based on urban traffic congestion. The specific content of the method includes: only straight-going and right-going traffic rules are allowed, vehicles are strictly forbidden to drive left and turn left, and pedestrians and non-motor vehicles are strictly prohibited from occupying motor vehicle lanes. Driving, it is strictly forbidden for pedestrians and non-motorized vehicles to cross the road at will. There are no traffic lights on the main motor vehicle arterial roads in the city. Erect a left-handed steel bridge across the street, allowing right-hand vehicles to cross the road, turn left and go straight, and then go right, so that vehicles can turn left without barriers; pedestrians and non-motorized vehicles are allowed to pass on sidewalks or auxiliary roads, and turn left When driving, walk across the overpass on the sidewalk or auxiliary road, turn left and go straight under the bridge after crossing the road; on the main traffic road, use guardrails to separate the upper and lower lanes; Vehicles are accessible.

The invention discloses an efficient double-cavity turbulent heat exchanger, belongs to a heat exchange device, and particularly relates to a heat exchange device in which two heat mediums do not make direct contact. The heat exchanger comprises a heat exchanger barrel body with a primary heat medium inlet, a primary heat medium outlet, a secondary heat medium inlet and a secondary heat medium outlet, and heat exchange tube bundles installed in the barrel body. The heat exchanger is characterized in that the barrel body is rectangular, a double-cavity partition plate in the middle of the rectangular barrel body divides the barrel body into an upper cavity and a lower cavity, the interior of the upper cavity and the interior of the lower cavity are respectively provided with one heat exchange tube bundle, the two ends of each cavity are respectively provided with a rectangular blocking plate, a round tube plate is arranged on each blocking plate, the two ends of each turbulent thread heat exchange tube are fixed to the tube plates, the outer sides of the tube plates are connected with a tube box through bolts, the secondary heat medium inlet and the secondary heat medium outlet are respectively formed in the tube box, a coupling cock is arranged between the secondary heat medium inlet and the secondary heat medium outlet of the upper cavity and the lower cavity located at the same end, the primary heat medium inlet and the primary heat medium outlet are formed in the upper portion and the lower portion of the barrel body respectively, a primary heat medium standby inlet and a primary heat medium standby outlet are formed in the portions, on the two sides of the double-cavity partition plate, of the barrel body respectively, and a primary heat medium double-cavity coupling cock is installed between the primary heat medium standby inlet and the primary heat medium standby outlet.

The invention belongs to the field of environmental protection relevant to kitchen waste treatment and relates to a kitchen waste fermentation bin supplying heat through air energy and solar energy, The fermentation bin comprises a solar heat collection array, a first temperature detector, a first check valve, a first circulating water pump, a solar water tank, a second temperature detector, a second check valve, a controller, a second circulating water pump, a kitchen waste fermentation bin body, a double-S hot water circulating loop device, a third check valve, a third circulating water pump, an expansion water tank and an air energy unit, wherein the double-S hot water circulating loop device comprises a water inlet pipe, a water outlet pipe and a partition plate. The kitchen waste fermentation bin can provide heat for kitchen waste fermentation by use of the air energy and the solar energy, advantage complementation on heat supply of the air energy and the solar energy is brought into full play, and electricity cost is saved; and the double-S hot water circulating loop device can make a heat carrier fully flow by the bottom of the kitchen waste fermentation bin and transmit heat, so that continuous stability of fermentation temperature is maintained.

Disclosed is an efficient energy-saving environment-friendly oil nozzle. Under the circumstance that pure oxygen serves as a combustion improver, dozens of oil delivery pipes are arranged from an oil pump to the oil nozzle, an electromagnetic valve is arranged on the upper portion of each oil delivery pipe and controlled by a microcomputer, dozens of oil injectors are arranged on the oil nozzle, and each oil delivery pipe is connected with one oil injector. The microcomputer acquires pressure and temperature parameters of the oxygen from oxygen-inlet nozzles of an engine and a steam turbine through sensors, variety, pressure and viscosity parameters of outlet fuel oil of the oil delivery pipes of the oil pump are combined and then subjected to matching processing of the microcomputer, the optimal oil supply proportion is selected according to the standard that a fuel-oxygen ratio shows that oxygen is excessive, oil injection quantity of the oil injectors is controlled, an instruction is given out to inject oil according to the optimal proportion so as to achieve excessive pure oxygen combustion and enable instantaneous effective combustion rate of fuel to reach a largest limiting value, and accordingly energy saving and emission reduction are achieved. The efficient energy-saving environment-friendly oil nozzle has the advantages of energy saving and emission reduction.

The invention discloses an automatic transmission of a six-gear light truck. The automatic transmission of the six-gear light truck comprises a transmission shell, a first shaft, two intermediate shafts, a second shaft, a control system and a clutch control system, wherein the first shaft, the two intermediate shafts, the second shaft, the control system and the clutch control system are arranged in the shell; various sensors, various executing mechanisms and various solenoid valves are connected with a transmission TCU through wire harnesses; power sources of the various executing mechanisms are from an air source of the whole truck; the first shaft transmits power of an engine to the second shaft through the two intermediate shafts; the second shaft transmits the power to a transmission shaft of the truck through an output flange; and a sliding sleeve and a gear reversing sliding sleeve which are matched with the control system to switch over gears are arranged on the second shaft. The speed ratio of the transmission is quite poor, the speed difference of the engine can further be reduced during gear shifting, and therefore, requirements on comfort of gear shifting of the truck are met. On the basis of a manual transmission, an automatic gear shifting function is fulfilled by integration of a gear shifting control system and an electronic control unit, and the automatic transmission of the six-gear light truck has good production succession for transmission production enterprises, and is wide in market prospects.

The invention discloses an electro-hydraulic mix-drive vertical lifting device, which comprises a power source, a main hydraulic pump, a filter, an oil tank, a first overflow valve, a one-way valve, asecond overflow valve, a first hydraulic energy accumulator, a pressure sensor, a first driving cylinder, a second driving cylinder, a second hydraulic energy accumulator and a reversing valve. The working speed of an actuator is controlled by adjusting the displacement of a secondary element; when the vertical lifting device is lowered, the second hydraulic energy accumulator can achieve energyrecovery and reuse the energy when the system is started up next time; by using a variable pump / motor-motor-transmission case to drive a mechanical cylinder, the power-weight ratio of the system is greatly improved. According to the invention, the device has the advantages of simple structure, convenient operation, large power-weight ratio and capability of achieving energy recovery and reutilization.

The invention provides a frequency control method of a compressor of an air conditioner comprising a fluorine machine system and a water machine system. The control method comprises the following steps that after the water machine operates, according to a set target temperature, a detected actual outlet water temperature and the change condition of a difference value of the target temperature andthe detected actual outlet water temperature, the time change rate of the compressor frequency is determined by adopting a fuzzy control rule, and the operation of the compressor is controlled according to the change rate; and a high-pressure intensity value, a low-pressure intensity value and a discharge pipe temperature of the compressor are divided into a plurality of intervals, the time changerate of the compressor frequency is determined according to the corresponding physical quantity numerical value by detecting the high-pressure intensity value, the low-pressure intensity value and the discharge pipe temperature of the compressor, and the operation of the compressor is controlled according to the change rate. By adopting the control method, the frequency of the compressor can be more accurately adjusted, so that the required temperature can be efficiently reached, the energy consumption can be reduced, and the purpose of protecting the compressor can be achieved.

The invention discloses an intelligent multiple-elevator system based on vision. The system comprises N elevators and elevator control systems, wherein, N is more than or equal to 2, and are characterized in that cameras are respectively arranged in the elevators and each floor; each camera is connected with the elevator control system; the elevator control system is provided with an elevator people counting module which is used for counting the number of people waiting for the elevator on each floor and the number of people in the elevator, and an elevator people control module which is used for controlling the stop of the elevator according to the number of people waiting for the elevator on each floor and the number of people in the elevator counted by the elevator people counting module. The multiple intelligent elevator systems provided by the invention are suitable for multiple elevator systems, and have the characteristics of low cost, and good energy-saving and emission-reducing effects.

The invention relates to a process technology for recycling water in membrane bioreactor (MBR) membrane treatment of landfill leachate. Through combination of a degradation effect of a conventional facultative tank and an advanced membrane separation technology, the landfill leachate can be effectively treated and reused; the floor area of a membrane bioreactor is small, the quality of the effluent is good, no secondary sedimentation tank is arranged, and operation and maintenance are simple. Community residence waste and domestic wastewater leachate are recycled after being treated, so that awater pollution problem can be solved, water resources can be recycled, full circulation of water resources in an area is realized to the maximum extent, and a purpose of energy conservation and emission reduction is achieved.