320results about How to "High degree of automation control" patented technology

The invention relates to a realization method based on the CPCI bus technology of the dual module hot spare system switching. The realization method is characterized by comprising the following steps: 1) the cabs at the head and tail of a train are separately provided with an ATP and two ATOs, the ATP adopts 2-out-of-3 architecture, the same ATOs (ATO1, ATO2) are hot spares to each other; 2) when the train runs normally, only the ATPs and ATO of the front head cab in the advancing direction work, the tail cab is powered off; when the train enters a turning section, a driver in the head cab of the original advancing direction presses an AR button on the driving platform to power on the ATPs and ATO of the tail cab; the ATPs and ATO of the head cab and the ATPs and ATO of the tail cab exchange information, the driving privilege is exchanged according to the driving direction so that the original tail cab is reversed to become the head cab, the ATPs and ATO of the original head cab are powered off; and 3) the redundancy automatic switching of one ATO adopts the dual module hot spare mode. The system of the invention has simple hardware configuration, lower system cost and abundant interfaces and is convenient to test and debug.

The invention discloses a digital full-automatic V-belt wrapping machine which comprises a case; a feeding box is connected with the left side of the case; two cloth distribution scrolls, two guiding-open devices and two cloth guiding grooves are sequentially connected onto the feeding box from left to right; an automatic cut-off assembly and machine heads are sequentially connected onto the case from left to right; a tensioning assembly is connected with the right side of the case; the two cloth distribution scrolls, the two guiding-open devices and the two cloth guiding grooves are respectively arranged in parallel; the automatic cut-off assembly comprises a blade fixing seat, a long blade, a cut-off air cylinder and a disk blade; the long blade is fixedly connected onto the blade fixing seat; the disk blade is connected onto the cut-off air cylinder; the cut-off air cylinder is horizontally arranged; the limiting position of the disk blade in moving right is above the long blade. The digital full-automatic V-belt wrapping machine has the advantages that manual labor is reduced, the production efficiency is improved, the new worker training is eliminated, the proficiency and the working efficiency of new workers and veteran workers make no difference at all, and one worker can operate two machines when a long belt is processed.

The invention discloses a preparation method of D-mannose, which comprises the following steps that glucose is epimerized under a normal pressure or pressurized condition by using ammonium molybdate as catalyst to obtain mixed solution of glucose and mannose; the mixed solution is discolored, desalted and refined and then enters a simulated moving bed 1 for separation and purification to obtain a component A rich in mannose and a component B rich in glucose; the component A enters a simulated moving bed 2 for separation to obtain a component C rich in mannose and a component D rich in glucose; the component B is filtered through a membrane and then enters the step of epimerization; the component D is filtered through a membrane and then enters the simulated moving bed 1 for cyclic separation; and the component C is centrifugally spray-dried to obtain D-mannose finished products. The preparation method of the D-mannose has the advantages of simple steps and easiness in operation. The purity of the D-mannose finished products prepared by adopting the method reaches more than 99 percent and the total yield reaches 53-60.4 percent.

The invention discloses an automatic control system and method for an offshore production platform. The system consists of an automatic control device, a crude oil treatment system and an oil transmission system, wherein the automatic control device consists of a PLC (programmable logical controller), a touch screen and peripheral test equipment; the crude oil treatment system comprises main devices such as an electrical heater, an oil-gas separator, an oil eliminator and the like; and the oil transmission system comprises an oil tanker, an oil transmission pipeline and an electric valve. The PLC and the touch screen which are positioned in the automatic control device are used for monitoring the process parameters of the production process through programming, treating the crude oil according to the crude oil treatment process flow and automatically controlling the oil tanker to collect the crude oil of the platform at fixed point; the PLC has perfect alarming, failure self-diagnosis and protection functions; and the touch screen can display the procedure parameters of the crude oil treatment in real time, perform manual intervention on the crude oil treatment procedure as well as automatically pop up the failure message screen in case of alarm and failure events. The data exchange can be realized between the PLC and the touch screen through a field bus.

The invention relates to a dry purification of emitted smoke dust containing fluoride, tar, dust and other harmful substances, in particular to a carbon roasting smoke dust dry purification method and a device thereof, the suction of an induced draft fan leads the smoke dust to enter a dry bottom type cooler to carry out the cooling process to lower the temperature, aluminum oxide in a reactor is utilized as an absorbent to carry out the absorption process of the fluoride, the tar and other harmful substances in the smoke dust, the separation filtration process of gas and the mixed solid is carried out in a bag dust collector, after the separation filtration, the gas is discharged from a chimney by the induced draft fan, the aluminum oxide is recycled, and other aluminum oxide containing the absorbed substances enters a collecting chamber by the collection as raw materials of electrolytic aluminum for standby. The process flow of the invention is simple, the one-time purification of the smoke is thorough, no pollution is generated, the aluminum oxide can be simultaneously recycled, the technology is advanced, the degree of automation is high, the production operation cost is effectively reduced, the technology is economic and reasonable, the removing efficiency of the smoke dust can achieve more than 99 percent, the content of the smoke dust in the emitted smoke dust is 10mg / Nm<3>, the content of tar is 10mg / Nm<3>, and the content of fluoride is 1mg / Nm<3>, which are higher than the national emission standards.

The invention discloses an automatic distribution method and system for natural gas. The system comprises a station controller, a plurality of station control system PLCs and a plurality of automaticdistribution mainframes so as to correspond to different gas supply areas, and is characterized in that the station controller sends operation parameters input from an operation interface to the station control system PLCs; the PLCs send the operation parameters to the automatic distribution mainframes; target values are returned to the station control system PLCs after relevant calculation is carried out through the automatic distribution mainframes; and the PLCs control corresponding valves to carry out gas delivery control.

The invention discloses an MVR (Mechanical Vapor Recompression) multi-level evaporation device which at least adopts two evaporators mutually connected in series and is capable of achieving a quite considerable energy-saving effect by virtue of a multi-level configuration mode. A to-be-treated waste liquid is directly adopted as a cooling medium, a vapor compressor is arranged at a secondary vapor outlet of the final evaporator, the vapor compressor, the final evaporator and the front evaporator are combined into an organic combination body, a secondary vapor pipeline and a secondary vapor compressor are omitted, and the pipeline and structure damping for vapor is greatly reduced, so that the compression efficiency is improved, energy losses are reduced, and the cost and operating cost of the whole device can be greatly lowered.

The invention relates to a reaction process concentration control method of a precursor for a lithium battery material. The method comprises the steps that: a level controller in a reaction kettle feeds back the change of the charging total quantity at different reaction steps in real time; a PLC (programmable logic controller) control system controls a circulating pump to pump material in the reaction kettle into a concentration tank; the PLC control system adjusts the discharge of concentrated filtrate in the concentration tank in time; concentrated material returns the reaction kettle; the concentrated material continuously remains in the reaction kettle to be fully reacted; the concentration of solid precipitate in the reaction kettle is controlled to reach 5 to 60 percent; the specific gravity of the solid precipitate to a mother liquor mixture is controlled to be 1.1-1.8g / cm3. The method has the advantages that the circulation concentration and automatic discharge of the material in the reaction kettle are controlled through the PLC control system, the automation control level is high, the reaction accuracy is high, the reaction time of the material in the reaction kettle can be effectively prolonged, sufficient reaction is guaranteed, and the capacity and the product quality are improved.

The invention relates to a technology for regenerating and cycling circuit board microetching waste liquid, which comprises procedures as follows: peroxide microetching waste liquid generated in the microetching chemical reaction process of processing an online produced workpiece to be processed of a circuit board into a processed workpiece in a microetching bath is taken as the raw material, peroxide, chloridion and silver ions are removed from the raw material, the raw materials recovers pure copper and complements lost components to become a regenerated microetching liquid, and the qualified microetching liquid automatically returns to the circuit board online producing microetching bath for regeneration and cycling. The invention adopts the technical scheme that peroxide microetching waste liquid discharged from online production is used as the raw material, peroxide, chloridion and silver ions are removed from the raw material, the raw material recovers pure copper and complements lost components to become a regenerated qualified microetching liquid, and the qualified microetching liquid automatically returns to the microetching bath and overcomes the defects that the microetching liquid in the circuit board microetching technology adopted by the prior PCB enterprises is discharged just after being treated simply, a great amount of waste is caused during the processing, and resources are lost severely, thereby being suitable for regenerating and cycling of various circuit board microetching waste liquid of circuit board online production enterprises.

The invention discloses a comprehensive adsorption and desulphurization dedusting purification method of baking flue gas. The method comprises the processes of baking flue gas cooling, adsorption dedusting and cloth bag dedusting, and is characterized in that calcium hydroxide powder is fully mixed with and reacts with reversed high-flow velocity flue gas to carry out surface adsorption in order to remove harmful tar, HF, SO2, NOx and dusts in the flue gas; and obtained flue gas enters a cloth bag deduster to carry out gas-liquid separation and filtration, obtained flue gas is discharged by a chimney, and calcium hydroxide obtained after filtration is conveyed to a calcium hydroxide bin and is stored in the calcium hydroxidebin. The method has the advantages of simple process flow, simultaneous removal of various harmful substances in the flue gas, recovery and reuse of an adsorbent calcium hydroxide, and especially effective absorption of NO2. The method is advanced, realizes high efficiency and many kinds of the harmful substances removed from the flue gas, and allows the discharge concentration of the flue gas to be better than notational current discharge standards.

The invention relates to a supercritical water processing control system and a control method thereof. The supercritical water processing control system provided by the invention comprises a control unit, an analog signal acquisition unit, a digital signal acquisition unit and a field execution device, wherein the control unit is the control core of the system; the input end of the control unit is accessed to the field signals of the analog signal acquisition unit and the digital signal acquisition unit; the output end of the control unit is connected with the field execution device; the control unit is singly operated and automatically switched through the form configuration of redundancy pairs; and the control unit is in communication connection with an upper machine through Ethernet. The method provided by the invention comprises the starting course and stopping course of the supercritical water processing control system, the overvoltage protection course at the top of a reactor and the over-temperature protection course of the bearing wall of a mixer, the top cover of the reactor and a bearing barrel body. In the invention, the automation control degree is enhanced; the manual labor intensity and the number of personnel are greatly reduced; the operating cost is further lowered; and a digital signal processing technique is applied in software, thus the supercritical water processing control system has the advantages of excellent disturbance resistance and zero stability.

The invention relates to a vehicle dynamic synchronous track driver used in desert, wherein it is formed by track pusher and suspender; the track pusher comprises active wheel fixed at the front and back ends of vehicle, induce wheel, and upper and lower track chains connected between wheels, and a track adjuster; the lower track chain has load wheel above; the upper track chain has support wheel under; the suspender comprises a balance rod support of vehicle, a torque axle on the support and a balance elbow fixed on the axial spline; the bearing of elbow fixes the load wheel. The invention has independent torque suspension method and concave load wheel, to realize driving on desert.

The invention provides a sheep grouping device and a control system thereof, and relates to the field of livestock breeding. The device mainly comprises a sheep clamping mechanism and a grouping mechanism. The sheep clamping mechanism comprises a base plate, a fixed plate and a clamping plate. The fixed plate and the clamping plate are both connected with the base plate and are oppositely arrangedat two sides of the base plate. The fixed plate, the base plate and the clamping plate together form a clamping space. The clamping plate and the base plate are rotatably connected to change the sizeof the clamping space. When sheep enters the clamping space, the clamping plate is rotated to fix the sheep, which is convenient for managers to dispose the sheep. The grouping mechanism is equippedwith a grouping channel which is communicated with the clamping space. The sheep enter the grouping mechanism under the guidance of the grouping channel. The grouping mechanism is provided with a first exit and a second exit, which are optionally in an open or close state such that the first exit and the second exit are connected with or disconnected with the grouping channel. When the first exitor the second exit is opened, the sheep enter different groups according to the different exits, thus completing the grouping.

The invention relates to flue gas purification method and device of an electrolytic aluminum smelting furnace and a heat preserving furnace. The flue gas purification method is characterized by comprising the following steps of: utilizing the suction force of a draught fan to cause flue gas generated in the electrolytic aluminum smelting furnace and the heat preserving furnace to enter a cooling tower for cooling and then enter a cloth bag type dust remover for filtering, and evacuating the filtered flue gas through a chimney. The invention has the advantages of simple process, thorough primary purification on smoke, no pollution generation, advanced technique, high degree of automatic control, economic benefit and reasonability and effectively reduces the production running cost, the dust removing efficiency reaches over 99%, the dust content in the discharged flue gas is 10 mg / Nm<3> which is superior to the national discharge standard.

The invention provides a recycling method capable of improving the concentrated water recycling rate and a concentrated water recycling system. The method comprises the following steps: collecting concentrated water obtained by reverse osmosis filtration into a vessel, releasing a certain amount of concentrated water from the vessel when a user opens a mixed water faucet, mixing the released concentrated water with raw water, and outputting the mixed water from the mixed water faucet. The release amount of the concentrated water is determined by virtue of the following mode: a microcomputer device recalls corresponding control parameters from a database according to the collected raw water pressure value, raw water TDS (Total Dissolved Solid) value, concentrated water pressure value and concentrated water TDS value so as to control the opening time and / or opening degree of a concentrated water release valve. The method is applied to the system. The method has the advantages of high recycling rate, easiness for realization, and the like; the system has the advantages of causing no influence on the service life of a reverse osmosis membrane, completely consuming the concentrated water generated each day, being high in automatic control degree and relatively simple in system constitution, and the like.

A rotary-type hydrodynamic valve is provided, which comprises a hydraulic motor, a valve and a supporter connecting the hydraulic motor with the valve. The top end of the valve rod of the valve is in thread connection with a driving screw which is arranged on the hollow output shaft of the hydraulic motor. When the hydraulic motor runs, the driving screw on the hollow output shaft can drive the valve rod to rotate and thus to move a valve plate up and down, thereby opening or closing the valve. The inventive rotary-type hydrodynamic valve has large starting torque; can change the driving torque along with the load change when opening or closing the valve; can set, display and control the opening or closing state of the valve; can ensure the valve to be opened or closed reliably and safely; can prolong the service life and reduce the noise; and can improve the automation degree and allow the manual operation.

The invention discloses a device and method for detecting aerodynamic characteristics of a rotor unmanned aerial vehicle. The device comprises a detecting table, a detecting table rack, a propeller hub arranged at the upper end of the detecting table rack, a brushless motor arranged on the propeller hub, a steering engine used for adjusting the pitch position of the propeller hub and fixed on the detecting table rack, rotors to be detected and a rotor mounting frame used for mounting the rotors. According to the device for detecting the aerodynamic characteristics of the rotor unmanned aerial vehicle, the aerodynamic characteristics of prerotation elevating force and the like of the unmanned aerial vehicle rotors under different parameters can be detected in real time; through the method for detecting the aerodynamic characteristics, a quadratic regressive equation fitted by rotor motion parameters such as rotating speeds, propeller pitch angles and front inclination angles of the unmanned aerial vehicle rotors and the rotor prerotation elevating force can be detected and calculated; and finally, the quadratic regressive equation fitted by rotor prerotation consumed power and the rotor motion parameters is obtained.

The present invention relates to the application of automatic control technology, infrared remote sensing technology, computer communication technology, etc in rotational molding plastic product. The rotational molding apparatus includes optimized heating device, optimally designed fuel gas control system, etc. and the multiple point heating device and fuel gas flow control system consist of several heating nozzles, electromagnetic servo valve, flow control valve, infrared sensor, computer and other parts. The computerized fuel flow control system can monitor the temperature change inside the heating chamber of forming mold, cooperate the heating rates of the nozzles and realize closed-loop optimal control of the fuel gas flow rate to obtain high quality rotational molded plastic product.

The invention discloses a real-fire simulation training device and system for reburning of building fire, and the device comprises a real-fire training room which comprises a reburning door and a reburning window, and is controlled to adjust the quantity of air entering the real-fire training room; a water-bath combustor which is disposed in the real-fire training room, wherein an ignition mechanism is used for providing a continuous and stable ignition source, and an external fuel gas supply system is used for providing a gas source, so as to achieve the full burning; a smoke generator which is used for providing heavy smoke for simulation for the real-fire training room in a fire simulation process; and a water spraying device which is used for the spraying protection of the internal and external walls of the real-fire training room in a burning process. The device and system are realistic in fire simulation effect, save energy, are environment-friendly, are safe and reliable, are high in automation control degree, can be used for fire-fighting training, and also can be used for fire research.

The invention discloses a method and a device for treating high-concentration organic wastewater and producing methane gas. The method provided by the invention comprises the following processing steps: firstly, the organic wastewater is heated and then charged to a catalytic tower, multiple organic substances in the wastewater generate methane gas and carbon dioxide gas after being subjected to catalytic methanation reaction under action of catalyst, temperature and pressure, and active ingredients are selected from at least one kind of ruthenium, palladium, rhodium, platinum, iridium, nickel, cobalt, manganese and cerium, or a compound which is insoluble in water or difficultly soluble in water and is formed by at least one aforementioned metal; and the carbon dioxide gas generated in the reaction is subjected to desorption; finally fluid enters in a gas-liquid separator, gas rich in methane is collected for storage after separation, and a follow-up treating process is performed after liquid is discharged. According to the invention, the method can purify organic substances in the wastewater and can generate the methane gas at the same time to realize the resource utilization of the wastewater, thereby contributing to reduce the overall cost of wastewater treatment.

The invention provides a water pump control method based on a pressure sensor. According to the control method, a water pump is started to rise pressure, operation pressure of the water pump is continuously read, and stop pressure of the water pump is automatically set; the stop pressure of the water pump does not need to be manually set by a user, so that degree of automation is improved, accuracy for setting the stop pressure of the water pump is improved, and start-stop frequency of the water pump can be reduced. The invention further provides a control method for automatically setting start pressure of the water pump, so that automatic control degree of the water pump is further improved, and user operation is reduced. Besides, the invention discloses a controller using the water pump control method based on the pressure sensor, and the controller is used for controlling the water pump.

The invention relates to a full-automatic hydraulic plate pulling mechanism of a filter press. The full-automatic hydraulic plate pulling mechanism comprises filter press main beams, a filter plate group, a cylinder assembly bracket, a plate pulling device and a PLC control system, wherein the outer side of the main beam between the fixed end and the compressed end of the filter press is provided with a track; the main beams at the fixed end and the compressed end of the filter press are respectively provided with a driven wheel and a resetting check block; the plate pulling device is connected in the track through a chain on the driven wheel; the cylinder assembly bracket at the compressed end of the filter press is provided with a driving wheel, an oil motor and a proximity sensor; the oil motor is connected with a hydraulic station through an electromagnetic directional valve; and the proximity sensor is connected with the PLC control system. In the invention, the plate pulling device is adopted to be contacted with filter plates of the filter plate group so as to provide resistance information for the proximity sensor, and then the proximity sensor utilizes the PLC control system to control the electromagnetic directional valve to provide hydraulic power for the oil motor, thus realizing that the plate pulling device pulls the filter plates by reversing; and the full-automatic hydraulic plate pulling mechanism has compact integral structure, stable operation, long service life, high efficiency, no need of manual auxiliary operation, lower labor intensity and high automaticity, and the plate pulling device can smoothly and steadily pull the filter plates by reversing.

The invention relates to a method for industrially producing porcine reproductive and respiratory syndrome (PRRS) vaccines by utilizing a bioreactor. The method comprises the following steps: (1) sterilizing a microcarrier and the bioreactor, then adding cell growth liquid, inoculating cells for vaccine preparation for culturing, inoculating PRRS viruses when dense monolayers are formed on the cells on the microcarrier and continuing culturing to reproduce the viruses; (2) stopping culturing and harvesting virus suspension when cytopathy reaches more than 80%; and (3) adding a freeze-drying protective agent to the harvested virus suspension to prepare freeze-dried attenuated live vaccines or carrying out ultrafilter concentration as well as virus inactivation on the harvested virus suspension, purifying the inactivated viruses by adopting column chromatography, and adding adjuvants to prepare inactivated vaccines. Compared with the traditional spinner bottle production process, the method has the following advantages: the automation control degree is high, so production can be monitored in real time; the labour is saved, thus reducing the cost; the land for production is few, thus being easy to enlarge the scale of production; and the produced viruses have high titer, so the batch-to-batch variation is small, the product quality is stable and the side reaction is low.

The invention discloses a buffer storing and conveying system and method and belongs to the technical field of equipment manufacturing. The buffer storing and conveying system operates to transfer multiple types of parts between the working procedures under the condition of mixed line production and also has the temporary buffer storing function. The buffer storing and conveying system comprises trays, locating tools, fixing working positions and a control module. The locating tools are placed on the trays. The trays are provided with chips. The locating tools can meet the requirement for temporary storing of multiple types of parts. Different tools are compatible with different types of parts. The same kind of parts is placed on the same type of tools. The locating tools include the locating tools A and the locating tools B. Each fixing working position is provided with a reading and writing head which can read chip information and write information into the chips. The read and write-in information includes the information of the locating tools on the trays are idle or not and identity information of the parts on the locating tools. The method comprises two kinds of control contents, namely, the stepping mode and the quick position selection mode. The buffer storing and conveying system operates to automatically transfer products between the working procedures under the condition of mixed line automatic production and also has the temporary buffer storing function. The upstream and downstream working procedures are effectively connected, and the transfer mode is independently selected and judged. the buffer storing and conveying system and method have the characteristics of high flexibility and high automation control degree.

The invention discloses a multi-channel isolation and program-controlled analog signal source system. The multi-channel isolation and program-controlled analog signal source system is characterized in that an FPGA (Field Programmable Gate Array) chip is used as a master control CPU (Central Processing Unit) for controlling an external DA (Digital / Analog) conversion circuit, a filtering and amplifying circuit, a multi-channel relay switching circuit, a magnetic coupling isolation circuit and an RS485 communication circuit; an external 12-bit high-precision chip is used for converting a waveform amplitude in a digital quantity form into a signal with required synthesis frequency in an analog quantity form; the signal is amplified by an amplitude of a differential amplification circuit and then the amplified signal enters a rear-end filtering and amplifying circuit; the signal is subjected to clutter removal and further conditioning and amplifying to obtain a single-channel analog excitation signal meeting design demands; finally, the analog signal selects one or more channels of signals for simultaneously outputting in parallel through a multi-channel relay. The multi-channel isolation and program-controlled analog signal source system disclosed by the invention is based on an embedded real-time operation system, is program-controlled by software written under the C# compiling environment, and integrates the functions that the multi-channel analog signals are output in an isolation parallel manner, signal waveform, the amplitude, the frequency and duty cycle can be adjusted and the like.

The invention relates to a desert plant vehicle dynamic synchronous laying machine, wherein it comprises several longitudinal screw axles at the bottom of hopper tank and screw blades which via front and back bearing bases are horizontally arranged at the vehicle support; the each two nearby screw blades have reverse rotation directions, to be coupled arranged distributed; the front bearing base has screw gear tank and gear rows, which via universal coupler, transmission reducing tank, electromagnetic clutch, engine driven wheel, and belt wheel transmission couple is connected to the front of crank of engine; the back of hopper tank has material outlet and laying cylinder. And the vehicle provides relative power and multistage reducing devices. The invention can lay and transport material synchronously when planting in desert.

The invention discloses a water taking and pressurizing control system of a solar sprinkler. The system comprises a solar photovoltaic power generating module, a direct-current brushless motor control circuit and a water source constant water level automatic water replenishing control circuit. The solar photovoltaic power generating module respectively powers the direct-current brushless motor control circuit and the water source constant water level automatic water replenishing control circuit. The direct-current brushless motor control circuit controls the power supply of a water pump. The control system has the advantages that the system uses clean solar energy to supply power, wireless control is used, convenient operation is achieved, remote on and off control of units is achieved, remote transmission indication and alarming of a system fault state unit can be achieved, a high-performance brushless direct-current motor is used to drive a self-priming pump, high system reliability and low energy loss are achieved, the water pump is started in a convenient and labor saving manner, automatic irrigation can be achieved conveniently, universality and flexibility of sprinkling irrigation units are increased effectively, and the irrigation requirements of farms, pastures, crops, economical crops and forage grass are satisfied.

The invention discloses a mining dump truck hydraulic brake control integrated system with large electric wheel. The mining dump truck hydraulic brake control integrated system with large electric wheel comprises a variable pump, an oil tank, a high-pressure oil filter, a front wheel brake, a rear wheel brake, a parking brake, a brake pedal valve, a front guide control valve, a rear guide control valve, a first energy accumulator, a second energy accumulator, a second shuttle valve, the mining dump truck hydraulic brake control integrated system with large electric wheel further comprises a brake control integrated valve group provided with a plurality of cartridge valves, the variable pump is connected with the brake control integrated valve group via the high-pressure oil filter. The mining dump truck hydraulic brake control integrated system with large electric wheel is high in work reliability, simple in manufacture, low in use cost, the standard general hydraulic components are integrated into the hydraulic brake control system, the elements are concentrated with high integration degree, small space usage, little pipeline and convenient maintenance; the operation is simple, the function is strong, the automation control degree is high, the action interlocking relationship is perfect, the safety performance is high for brake control for large mining dump truck equipment.

The invention discloses an industrial cold end circulating water optimization and energy saving control system. The system comprises an information acquisition system, an information storage system, a DCS center control system, a circulating water system, a cold end supplementary water system and a cold end sewage discharging system. The information acquisition system can acquire related data information of a condenser device, a generator cooler, an oil cooler device, a cooling tower system, the circulating water system, the supplementary water system, the sewage discharging system and the quality of circulating water. The DCS center control system carries out serial analysis and diagnosis on the data comprehensively. The industrial cold end optimization and energy saving control system can achieve accurate and comprehensive control over the running state of a cold end in time and achieve the analysis of a large size of data and remote data transmission and control.

The invention provides a method for industrially producing an animal rabies vaccine by utilizing a bioreactor, comprising the following steps of: (1) sterilizing a micro-carrier and the bioreactor, adding a cell growth solution, inoculating Vero cells for culturing, inoculating rabies viruses after the cell on the micro-carrier forms a compact single layer, and continuously culturing to propagate the viruses; (2) inoculating for 18h and then continuously harvesting a virus solution; (3) carrying out ultrafiltration concentration and virus inactivation on the harvested virus solution; and (4) purifying and inactivating the viruses through a column chromatography method to prepare the vaccine. In the invention, the high density culturing of the cells is carried out by utilizing a bioreactor micro-carrier culturing technology to produce the animal rabies vaccine. Compared with the traditional rotating bottle production method, the automation control degree is high, the production can be monitored in real time, the labor power and the cost are reduced, the production land is less, the scale is easy to expand, the produced virus titer is high, the difference among batches is less, the product quality is stable, and the side reaction is less.