344results about How to "Reduce installed power" patented technology

The invention provides a secondary Regulation flow coupled hydraulic accumulator storage hydrostatic transmission device, relating to a secondary hydrostatic transmission method and systems. It solves the contradiction between constant coltage net which only allows pressure to change in small range and hydraulic pressure accumulator energy recovery subsystems which need to change pressure in a large range existing in the secondary regulation hydrostatic transmission system. It adopts hydraulic pressure accumulator to output hydraulic oil and drives hydraulic pressure storage pump or motor and electric motor to drive hydraulic oil cylinder to work with load. When the load need to descend, load-driven hydraulic pump or motor and storage Hydraulic Pump or Motor change work condition respectively and recover and storage the potential energy which is produced by the hydraulic oil cylinder. When the load need to up run, energy storage hydraulic pump or motor and load driver Hydraulic Pump or Motor change work condition respectively and do the above work again. This invention can be used in the hoist nd hydraulic pumping and so on.

An energy-saving hydraulic lift system with variable hydraulic counterweight for the real-time match with load is composed of a primary loop consisting of frequency variator, AC asynchronous motor, quantitative pump / motor, and hydraulic cylinder or hydraulic motor, and a secondary loop consisting of hydraulic energy accumulator (hydraulic counterweight) for recovering the all energy generated by lowering load and variable pump / motor. Said asynchronous motor provides the only energy needed by system efficiency and friction loss.

The invention discloses a high-efficiency and energy-saving new lean magnetite combined milling magnetic separation method. A high pressure roller mill is used as an ultrafine crushing device, and a vertical mill substitutes a ball mill. The method comprises the following steps: crushing, screening, carrying out dry pre-concentration, milling through the high pressure roller mill, carrying out medium field intensity wet magnetic separation, carrying out vertical coarse milling, carrying out weak magnetic roughing, carrying out vertical fine milling, and carrying out low intensity magnetic separation. The method allows a large number of coarse grain waste ores to be abandoned before milling, so the milling amount is reduced, the over milling problem during mineral liberation is effectively solved, and the consumption of steel balls and lining plates of the ball mill is significantly reduced, thereby the operation cost of the whole process is reduced. The method improves the grade of raw ores by above 2% after the weak magnetic dry separation, improves the relative grindability of roller mill products by above 30%, and reduces the energy consumption by 35-50% by adopting the vertical stirred mill to substitute the ball mill; and the power consumption of per unit of the raw ores and the consumption of the steel balls and the lining plates of the method in the invention are 65.37% and 59.26% lower than those of with routine three stage closed loop + two stage ball milling + two stage weak magnetic separation milling technologies in ore separation work respectively.

The invention discloses a flywheel energy storage type secondary flow regulation coupled system, which relates to a closed loop hydraulic control system, and the invention solves the problems of high power density, low energy density and high cost existing in the existing secondary regulation hydrostatic transmission system which adopts a hydraulic accumulator to store energy. Two output shafts of a double-shaft motor in the system are respectively connected with a drive shaft of the flywheel and a transmission shaft of a hydraulic pump or a motor, and a variable cylinder regulates the working position of a sloping plate of the hydraulic pump or the motor under the control of an electro-hydraulic control valve. An upper limit sensor and a lower limit sensor are respectively fixed at the side face of a piston rod of a hydraulic cylinder to measure the position of the piston rod, and signal output ends of the upper limit sensor and the lower limit sensor are respectively connected with a signal output end of a controller. A control signal output end of the controller is connected with the control signal output end of the electro-hydraulic control valve, and the invention is suitable for industries of oil, mine and engineering plant, etc., especially for the system of frequent reciprocating motion and frequent start-stop.

The invention discloses a pressure flow rate composite synchronization control energy-saving type shield propelling system, which comprises an oil source system, wherein the oil source system is formed by connecting a motor with a constant rate pump through a shaft coupler, the oil source simultaneously supplies oil to a pipe sheet split part, the propelling system adopts zone control and is divided into four zones, a control part and a pressure synchronization and flow rate synchronization switching unit are arranged in each zone, the control part consists of a proportional flow rate valve and a proportional overflowing valve, and the pressure synchronization and flow rate synchronization switching unit consists of a flow division valve, a two-position three-way valve and grouped hydraulic cylinders. A main path of the invention adopts an open type control system controlled by a constant rate pump valve, can realize the propelling mode selection in the propelling process, and can realize the composite control on the pressure synchronization and the flow rate synchronization, at the same time, the pipe sheet split system and the propelling system share one set of oil source, and the installation power can be reduced. On one hand, because of the arrangement of an energy accumulator, the vibration and the impact can be absorbed, and on the other hand, the energy accumulator can also be used as an auxiliary energy source when the propelling cylinder retreats back or meets impact load. Thereby, the installation power of the system is further reduced.

The invention relates to a sludge drying device and a sludge drying method thereof, wherein, the device comprises a closed transparent glass shell, a plurality of layers of tray stents transversely arranged in a shell, a feed inlet arranged on the transverse side wall of the shell corresponding to each layer of tray stent, a discharge outlet on a side wall corresponding to the feed inlet, a seal plate with transparent glass which can be disassembled and connected with the outer surface of the shell and can respectively seal the feed inlet and the discharge outlet, a material tray which can freely pass through the feed inlet and discharge outlet or is arranged on the tray stent, rectifier fans respectively arranged at the bottom and top of the shell, an air inlet which is arranged at the lower part of one side of the shell, a transparent glass seal-board which is articulated with the top of the air inlet and is matched with the air inlet, a rain insensitive device arranged on the air inlet, an air outlet pipe on the side wall of the shell corresponding to the air inlet, a matched ventilation fan, and a humidity automatic monitoring device which is arranged in the shell and controls the open and close of the ventilation fan.The product discharges the vapor of the sludge to outside to achieve fast drying.

The invention relates to a method for grading and utilizing waste material of sandstone system production, including the following steps: 1) sieving and washing are carried out; 2) slurry obtained by sieving is subject to separation of fine sand powder and slurry by virtue of a hydrocyclone grading device; 3) the fine sand powder is subject to high frequency sieving and dewatering, and the slurry is placed into a setting device, so as to further separate water and concentrated slurry; 4) water is returned to the washing step, and the concentrated slurry is subject to filter pressing or filtering and then is delivered to a waste material stock yard. In the method for grading and utilizing waste material of sandstone system production provided by the invention, a hydrocyclone grading device is added in slurry sand grading production process to separate fine sand powder and slurry, and a high frequency sieving dewater procedure is adopted, recycling of fine sand powder from slurry is realized, by adopting the method of the invention, more than 90% of useful material can be recycled from slurry, and more than 70% of recycling can be realized after waste water is purified.

This invention publicized one kind to use the frequency conversion technology closed type the return route hydraulic pressure pumping unit The application frequency conversion technology control motor rotational speed, the control pumps the output current capacity, then the control pumping unit running rate, may enable the oil pump the dynamic coordination, the production increase, the energy conservation obvious: The frequency conversion velocity modulation can provide the current capacity according to the system demand the low overflow loss, how regardless of the load does change, the output all can adapt the load request change, has very strong automatic control About the use the limit switch, the speed, the position transmitter and so on, through the controller, the frequency changer realization to the electric motor and the control valve electro-magnet and so on the vector transformation control technology, the realization overloads, crosses the electric current, overvoltage, the instant loses speed and so on the protection function This invention from enhances the pumping unit the overall efficiency to embark, in reduces the pumping unit the installing equipment power, effectively uses the pumping unit under good energy at the same time, maximum limit enhances the hydraulic pump and the electrical machinery efficiency This pumping unit may widely apply to the oil field extraction

The invention discloses a power matching control system for a novel energy-saving double-drum vibratory roller. The power matching control system comprises a controller, a travel state control device, a frequency adjusting switch, a compaction / travel selection switch of the travel state and the compaction state of a roller and a speed sensor for detecting the rotate speed of an engine of the roller in real time, wherein a travel pump electromagnetic valve and a travel motor electromagnetic valve are controlled by the controller; a vibratory pump electromagnetic valve is connected with the controller which staggers the power peak values of a travel mechanism hydraulic drive system and a vibratory compaction hydraulic drive system by controlling the starting time of the vibratory pump electromagnetic valve; moreover, when the roller is in compaction work mode, the vibratory pump electromagnetic valve is correspondingly controlled and started by the controller according to a signal detected by the speed sensor. The power matching control system has reasonable design, simple use and operation, reliable performance and good use effect; moreover, the control system can effectively reduce the installed power of the vibratory roller, reduce power consumption and save use cost while reliably restraining the momentary power of the travel system and the vibratory system of the roller.

The present invention discloses shield earth pressure balancing system and control method re-utilizing inertia energy. During regulating rotation speed of the screw conveying machine to realize the balance control of shielding earth bin, the positive and reverse displacement regulation of the variable motor / pump in constant hydraulic network is utilized in converting work condition of the conversion pump and the motor so as to recover the inertia energy of the load in hydraulic energy form in deceleration and braking of the screw conveying machine and convey the hydraulic energy to the load in acceleration. Compared with traditional shield earth pressure balancing system, the system of the present invention makes the prime mover operate in high efficiency area to raise the operation efficiency of the whole system.

The invention provides a blast-winning, coal loading, coal conveying and anchor rod-timbering mechanical integrated operating method and device. And the device mainly comprises: hydraulic system, hydraulic control table, track walking part, coal loading and conveying part, timbering part, and hydraulic anchor rod machine, and the method uses integrated device, scraper conveyor and gate coal conveyor; and its drivage circulating speed is 1m to 1.5 m, blast-winning and after the fumes have settled, making the integrated device enter into the operating site, and after completing coal loading and conveying, making anchor rod timbering; after completing the anchor rod timbering operation, making the integrated device exit the operating site and over 20 meters distant from the operating site, and then making drilling and blasting operation. And it improves explosion level of blast winning and resources recovery, and reduces operators.

The invention discloses an active and passive compound control system for a hybrid power hydraulic excavator. According to the active and passive compound control system for the hybrid power hydraulic excavator, a control circuit comprises a hydraulic pump A, a hydraulic pump B, a hydraulic pump C, a movable arm cylinder control valve bank, a bucket rod cylinder control valve bank, a bucket control valve, a rotation control valve, a rotating motor control valve bank, a two-position and two-way valve I, a two-position and two-way valve II, a two-position and two-way valve III, a two-position and two-way valve IV, a two-position and two-way valve V, a two-position and two-way valve VI, a two-position and two-way valve VII, a two-position and three-way valve I, a two-position and three-way valve II, an energy accumulator I and an energy accumulator II, an open type control circuit is adopted to serve as the control circuit, the two cavities of a hydraulic cylinder are each controlled through a power source, and the pressure and the flow of each cavity are regulated independently. The active and passive compound control system for the hybrid power hydraulic excavator has the multiple technical advantages that the energy efficiency is high, the degree of integration is high, power consumption is low, power supply redundancy is avoided, a pilot oil source is not needed, the noise is low, and kinetic energy recovery and potential energy recovery are integrated.

The invention is a launching system made of a gripping conus connected to a wire that is connected to a winch system, a turning sheave, and a lifting cylinder that is affixed to a base, wherein the winch system has a motor driven hydraulic pump connected to an accumulator system connected to a hydraulic motor that drives a winch drum, and wherein an attached booster system is made of a cylinder connected to accumulator system and a set of sheaves connected to wire that is connected to a gripping conus that moves or stops a cart.

The invention relates to a pump valve coordinated multi-actuator electro-hydraulic control system. The pump valve coordinated multi-actuator electro-hydraulic control system comprises a prime motor, a transfer case, one or more hydraulic cylinders, distributed pump control units and a hydraulic cylinder displacement sensor, a centralized flow power compensation unit is additionally arranged for the distributed pump control units, and the centralized flow power compensation unit comprises a main hydraulic pump, a first overflow valve and an oil tank, a first pressure sensor, a pressure compensator, a control valve set, a bypass proportional valve and an oil supplementing energy accumulator. A valve core displacement sensor is additionally arranged on the pressure compensator. Each distributed pump control unit comprises a two-way variable pump / motor, a first oil supplementing one-way valve, a second oil supplementing one-way valve, a second overflow valve and a third overflow valve. By additionally arranging the centralized flow power compensation unit, the asymmetric flow of all the distributed pump control units is subjected to centralized compensation and power supplementation, various flow compensation auxiliary elements are not needed, a small-power pump control system drives and drags a high-power actuator, and the total installed power of the pump control multi-actuator system is remarkably reduced.

The invention aims to provide a gas-electric hybrid type ship hybrid power system with a super capacitor. The system comprises a gas machine, the super capacitor, a propeller, a natural gas storage and supply device and a ship load. The output end of the gas machine is connected with the input end of a gearbox, and the input end of a power generator is connected with the output end of the gas machine through a belt transmission transposition; the output end of the gearbox is connected with a motor, and the super capacitor, the power generator and a storage battery serve as power sources. The arrangement of various energy forms adopted by the system can meet requirements of ships under various environments and working conditions; the super capacitor is used for storing or releasing energy when the system load is changed so as to prevent the impact of the excessively quick energy change on a power grid, the operation efficiency of the gas machine, the power generator and the motor is improved, the utilization efficiency of fuel is improved, emission is reduced, the power response of the ships is improved, the application range of the system is enlarged, and the utilization rate of the fuel is further improved.

The invention discloses a cutterhead closed type hydraulic drive system adopting revolving speed-variable and displacement-variable compound control. In the invention, a main oil line adopts a pump control motor closed type system taking revolving speed-variable control as first class speed-regulating control and displacement-variable speed-regulating control as second class speed-regulating control, thereby having good frequency variable speed-regulating energy-saving effects and high efficiency; the displacement-variable pump control motor closed type system reduces the overflow loss and the throttling loss, enhances the efficiency of the system and can also ensure a frequency variable speed-regulating range to exceed the limit of the limiting revolving speed of a pump; because the cutterhead has wide revolving speed range and large power variation range, the speed-regulating range of the cutterhead is widened through revolving speed-variable and displacement-variable compound control; the bi-directional pressure of the cutterhead can be regulated continuously through the combination of a one-way valve and a proportional overflow valve; and the impact shock of the oil liquid of the system can be absorbed through the installation of energy accumulators positioned on both ends of a variable pump, therefore the installed power of the system is reduced.

The invention discloses an oil electro-hydraulic and hydrostatic hybrid driving system. The functions of rapid starting, rapid braking, controlling minus grade to be at constant speed and energy-saving can be realized by adopting a concept of supplying oil for accelerated starting with a hydraulic assisted starting motor, a main hydraulic system and an energy storage system, and controlling the torque of a motor through a hydraulic energy accumulation system, and the overall installed power can be reduced while the climbing ability can be increased. By virtue of the assisted starting, the impulse current of the motor is mainly eliminated, not only can the rated power of electric elements be reduced, but also the working life of a storage battery and the mileage of the whole vehicle can be prolonged. By adopting the motor and a diesel engine as double power, the good starting acceleration performance can be realized, and good low-speed stepless regulation capability can also be achieved. The oil electro-hydraulic and hydrostatic hybrid driving system can be switched to a mechanical driving system in high-speed driving, so that the whole machine has higher driving efficiency. The diesel engine provides power for powerless batteryor high-speed driving on the ground, not only can the tail gas pollution in a tunnel be avoided, but also the intermittent driving of vehicles can be guaranteed.

The invention relates to large-scale semi-solid die forging hydraulic machine, which comprises frame composed of upper beam, lower beam fixed with liftout attachment, slide block and brace linked by tie bar, plant, power system connected with main and side cylinders both fixed on lower beam, and electric system to control power system; wherein, the piston is arranged in cylinder with hollow plunger and its sleeve; the liftout pad is fixed on piston top; a rotation-proof flange is fixed on piston with guide pole connected with travel digital display, a cylinder outlet flange is fixed on cylinder; the guide sleeve for cylinder outlet is in cylinder; both guidance tape and seal ring are embedded in piston wall; and a seal ring leveler and block drop-proof device of X-shaped are arranged on the machine. This invention has advantages composed of high speed, low power, high efficiency and precision.

The invention relates to a novel energy-saving hydraulic pumping unit, which comprises a hydraulic pump 1, an overflow valve 2, an overflow valve 3, a one way valve 4, an energy accumulator 5, an electro-hydraulic direction-changeover valve 6, a compound cylinder 7, a piston rod 8, an oil tank 9, a pulley 10, a rope 11, a pumping rod 12, a motor 13 and the like. The novel energy-saving hydraulic pumping unit adopts a hydraulic driving system and an energy accumulator balanced system, utilizes the energy accumulator 5 to collect gravitational potential energy released by the pumping rod 12 system and store the energy of the motor 13 in the down stroke, releases the energy in the up stroke, and can effectively reduce the installed power and the speed fluctuation of the motor to achieve the energy-saving effect. The novel energy-saving hydraulic pumping unit also has the advantages of large lifting force, light weight, convenient adjustment of stroke length and stroke frequency and the like of the conventional hydraulic pumping unit.

The invention discloses a microwave steamer, consisting of a housing 1, a drawer 2 provided with ventilation holes at the bottom thereof, a steam generating chamber 3, a microwave heating device 4, a water atomization device 5, a controller 6 and a shielding net 7. The microwave steamer adopting the manner of microwave heating has low installed power, high efficient and fast heating and is clean and sanitary; the microwave steamer also atomizes water via the water atomization device, and water mist is directly heated by microwave to generate steam, achieving higher speed and efficiency.

The invention discloses a toggle lever metal extruder, which comprises a framework-type rack and is creatively characterized in that a workbench is arranged at the lower part of the rack, a sliding block is arranged above the workbench and can reciprocate on the rack along a vertical direction, and two sides of the work bench are provided with lateral pressing cylinders; a toggle lever mechanism is arranged on the upper part of the rack and mainly comprises an upper support, an upper toggle lever, a lower toggle lever and a lower support; and a driving mechanism is arranged outside the togglelever mechanism and comprises a hydraulic cylinder, a first connecting lever and a second connecting lever. A hydraulic cylinder and the lateral pressing cylinder act to drive an upper die, a left male die and a right male die to move to a lower die on the workbench for pressing. The driving mechanism drives the toggle lever mechanism to move the sliding block, the sliding block is fast in a return downward trip, and a working stroke is slow and stable; in addition, in the working stroke, the stamping pressure has long duration, the pressing efficiency is high, the stress bearing effect of the rack is good, so that the installed power is reduced and the production cost is lowered.

The invention relates to a hybrid power engineering machine multi-actuator control system which comprises a double-pump double-loop hydraulic control system. A backpressure adjusting unit, a first conversion control valve, a second conversion control valve, a third conversion control valve, a fourth conversion control valve, a fifth conversion control valve, a sixth conversion control valve and a hydraulic control one-way valve set. According to the hybrid power engineering machine multi-actuator control system, a hybrid power system is additionally arranged, recycling of movable arm potential energy and rotation braking kinetic energy is achieved, integrated control over energy recycling and load difference throttling loss eliminating is achieved, shortcomings in the prior art are effectively eliminated, and the beneficial effects of high energy efficiency, low emission and the like are achieved.

A tubing string vertical vehicular full-automatic smart hydraulic workover rig comprises a vehicular chassis, a hydraulic power source, a smart power drive system, a hydraulic automatic energy accumulation system, an offline operating plate, a variable-amplitude oil cylinder, a fixed support, a movable support, a rope sheave distance increasing system, a single cylinder lifting system, a balance head sheave system, an automatic suspension tube lifting system, a tubing string arranging rack, an automatic tube gripping system, an automatic tube moving system, a lifting support frame, a wellhead automatic centering mechanism, an oil pipe length automatic measuring mechanism, an oil pipe automatic fastening and unfastening device, an oil pipe automatic wellhead plate and a multifunctional wellhead oil pipe seat. The tubing string vertical vehicular full-automatic smart hydraulic workover rig is characterized by comprising a vehicular variable-amplitude support system, a tubing string automatic lifting system, a oil pipe automatic fastening and unfastening system and an electric-hydraulic supplying, driving and operating system. By the tubing string vertical vehicular full-automatic smart hydraulic workover rig, oil pipe lifting time is shortened greatly, and work efficiency is increased.

The purpose of the invention is to provide a gas-electric hybrid type ship hybrid power system with LNG cooling. The system includes a gas engine, a generator, motors and a natural gas storage and supply device. The gas engine is connected to a gear case through a shaft motor. The motors are connected to the gear case through clutches. The propellers are connected to the motors. An engine coolingsystem and a fuel cell cooling system are connected to an LNG gasification heat exchanger. An electric power source is a fuel cell, the generator and a storage battery. The gas-electric hybrid type ship hybrid power system with the LNG cooling can meet requirements of ships in various environment and working conditions through the adopted arrangement of a plurality of energy forms, improves running efficiency of the gas engine, the shaft motor and the motors, and utilizes LNG gasification cold energy so as to reduce the power of a heat dissipation fan and a liquid coolant circulating pump, reduce the area of a radiator and improve the integration of the system, further improves the utilization efficiency of fuel and reduces emission, thereby improving the power response of the ships, improves an application range of the system, and further improves the utilization rate of fuel.

An energy-saving hydraulic elevator system is composed of a mechanical system, a master hydraulic loop with vectorial frequency-varying volume control to regulate the rotation speed of motor, and an energy accumulator loop system for balancing the most of the weight of cage system. Said energy accumulator loop can absorb energy when cage is moving down or release energy when cage is moving up.

The present invention is method of raising motor efficiency of pumping unit and energy balance device therefor. The present invention features that one energy balance device is mounted between the gear box and the motor of the pumping unit. Before starting the pumping unit, the motor drives the flywheel in the energy balance device to rotate for storing energy; after the flywheel reaches certain rotation speed, the energy balance device is combined to the gear box to start the pumping unit; and after the pumping unit is started, the motor and the energy balance device drive the pumping unit together. The present invention has the features of reduced motor power, raised motor efficiency and saving in power.

The invention discloses a technology for baking and grinding high-moisture chalk through a vertical mill and belongs to the field of cement raw materials prepared by adopting high-moisture chalk raw materials. Clammy chalk with the moisture more than 25% is fed onto an inner refiner plate of the vertical mill from a feeding mouth of the vertical mill; hot wind passes through a wind chamber, a wind ring and a chamber above the refiner plate from a hot wind inlet and discharges out of the vertical mill from a hot wind outlet; zone control is performed on the moisture of materials inside the mill; the moisture of the materials is dried step by step; a powder selecting machine, the feeding mouth and the hot wind outlet are arranged at the upper part of the vertical mill; the refiner plate and mill grinding rollers are arranged inside the vertical mill; a cloth scraping plate is arranged above the refiner plate; a retaining ring is arranged at the edge of the refiner plate; the height of the retaining ring exceeds 150 mm; the wind chamber is arranged below the refiner plate; the wind chamber is communicated with the chamber above the refiner plate through the wind ring; the hot wind inlet of the mill, a material scraping device and a feeding back port are arranged in the wind chamber, the feeding back port is connected with the feeding mouth through an outer circulating system of the mill. The invention provides a simpler and energy-saving preparation technology and device for preparing the cement raw materials by adopting the high-moisture chalk raw materials.

The invention discloses a humidification stirring system. The humidification stirring system comprises a box and a rotating shaft arranged on the box, wherein the upper part of one end of the box is provided with a solid particle material inlet and a water injection nozzle, the lower part of the other end of the box is provided with a solid particle material and water mixed wet material outlet, the water injection nozzle is communicated with a water pipe of a water injection device, a spiral blade is fixedly arranged on a shaft body of the rotating shaft, which is located in the box, a mixing blade is arranged on the blade surface of the spiral blade, an included angle is formed between the blade surface of the mixing blade and the blade surface of the spiral blade where the mixing blade is located, and the spiral blade and the mixing blade have the effects of pushing materials to move forwards and cleaning wet materials at the bottom of the box while being used for stirring and mixing the materials and water, so that the wet material clustering is avoided, the uniformity of the wet material mixing is further improved, and the reliability of system operation is ensured. Meanwhile, as the structure of the humidification stirring system is compact and simple, the humidification stirring system is low in installed power and energy consumption. The humidification stirring system disclosed by the invention is wide in application range and can be applied to the humidification and conveying of various types of solid particle materials.

The invention discloses an electro-hydraulic synchronous uniform loading cutter driving system of a tunneling machine. The electro-hydraulic synchronous uniform loading cutter driving system is characterized in that an ordinary motor is connected with a two-way proportional variable pump; an oil supplementation check valve group, a closed circuit safety valve group, oil openings in the two ends of a flush valve, a reversing valve, a large-drift diameter switching valve and a two-way proportional variable motor are connected in parallel between two oil openings of the two-way proportional variable pump through an isolating switching valve; an oil inlet between two check valves in the oil supplementation check valve group is connected with an oil supplementation system and an oil supplementation pressure limiting valve; an intermediate oil opening of the flush valve is connected with an oil tank through a flush pressure limiting valve; an intermediate oil opening of the reversing valve is connected with an energy accumulator and an electromagnetic proportional overflow valve; the electromagnetic proportional overflow valve and the oil supplementation pressure limiting valve are connected with the oil tank; and the two-way proportional variable motor is connected with a main variable frequency motor and a slave variable frequency motor through a drive system. According to the electro-hydraulic synchronous uniform loading cutter driving system, a motor system and a hydraulic motor system achieve real-time, synchronous and uniform loading drive, the trap escaping ability and adaptability for complex geology of a tunnel tunneling machine are improved, the installing power is decreased, and the energy utilization rate is improved.

The invention relates to the air treatment method and the device, especially to the new wind heat recycling method and its device. The method has the new air passage and the exhaust passage separated by the air passage plate; the liquid soakage layer of the said plate at the exhaust passage side; the minim liquid flows in or on the soakage layer when refrigeration to realize the heat exchange between the new air passage and the exhaust passage; the temperature difference between the new air passage and the exhaust passage realizes the heat exchange when heating. The device comprises the air passage wall, the new air intake, the new air outtake, the exhaust intake, the exhaust outtake, the new air passage and the exhaust passage, also the liquid intake, the liquid arranging structure connecting the liquid intake, and the soakage layer of the air passage plate at the side of the exhaust passage. The invention has high heat recycling ratio and wide utilization.