44results about How to "Efficient running state" patented technology

The invention provides a wet type multi-pipe cyclone dust removal device and a dust removal system with the dust removal device, belongs to the field of operations techniques, and solves the problem that the conventional wet type multi-cyclone dust removal device is low in dust removal efficiency. The wet type multi-pipe cyclone dust removal device comprises a multi-pipe cyclone dust removal component, and also comprises a water tank, wherein the multi-pipe cyclone dust removal component is positioned above the water tank; each cyclone dust exhaust port of the multi-pipe cyclone dust removal component is connected in series with a dust exhaust pipe; each dust exhaust pipe penetrates through the water tank; an air inlet of the multi-pipe cyclone dust removal component is connected in series with an air inlet pipe; and a spraying head capable of spraying water spray is fixedly arranged in the air inlet pipe. According to the wet type multi-pipe cyclone dust collector, the spraying is performed in the air inlet pipe, the distance between the spraying and each cyclone is increased, the water spray can be fully mixed with air, the purification effect is improved, and the temperature of high-temperature air is effectively reduced; and meanwhile, the influence of water mist flow on the stability of airflow entering the cyclones is avoided.

The invention relates to an energy-saving control management system of a network central air conditioner and a method thereof. The control management system comprises a central control cabinet, a general network controller, an Internet network architecture and a network air conditioner, wherein the general network controller adopts a TCP / IP protocol as a network control protocol, sends operation parameters of the air conditioner to the central control cabinet by the Internet network architecture and receives and executes control instructions of the central control cabinet. The invention also comprises the energy-saving control management method which uses a system energy efficiency ratio COP<sys> as an air conditioner energy efficiency mark and adjusts the operation parameters of the air conditioner by calculating the dynamic system energy efficiency ratio so that the dynamic system energy efficiency ratio is constant maximum, and the central air-conditioning system can work in an energy-saving state to a maximum extent.

The invention provides an energy-saving control method and system for an air-source heat pump system. The method comprises the following steps that S1, a building standard cooling and heating load prediction model is constructed; S2, building refinement partitioning is conducted according to the building standard cooling and heating load prediction model, a cooling and heating energy-using demanddynamic curve of all subzones of a building is generated, and the dynamic curve is updated once at intervals; and S3, an air-source heat pump unit and an indoor tail end thereof, a freezing water pump, a valve unit, a fan and a heat pump host respond to an instruction sent by a central host in time, and according to the energy-using demand dynamic curve and combination of a time delay caused by the adjustable segment length and fluid velocity, operation stages of the air-source heat pump system is divided into an equipment starting stage, a steady state operation stage and an equipment shutdown stage for staging control. The invention further comprises the energy-saving control system of the air-source heat pump system. The energy-saving control system has the advantages of being efficient, stable, free of pollution, low in energy consumption, significant in energy-saving effect and the like, and therefore the total energy efficiency of the system can be improved by 5% to 25% on the basis of the original system efficiency.

The invention discloses a control system of a tilting reciprocating reverse thrust type garbage incinerator, comprising a steam sensor arranged in the furnace for detecting the main steam flow, a temperature sensor for detecting the temperature of the furnace, and the steam sensor and the temperature sensor A first control module that is signaled to operate the feeder and each grate when the main steam flow and furnace temperature values ​​are within preset ranges. The control system of the oblique reciprocating and reverse-push garbage incinerator disclosed in the present invention detects the main steam flow and furnace temperature in the furnace through the steam sensor and the temperature sensor, and then judges the current incineration in the incinerator according to the detected values ​​of the two. According to the incineration environment, the first control module accurately controls the feeder and each grate to perform corresponding operations to ensure that the waste incineration is in an efficient operation state and improve the waste incineration efficiency of the incinerator.

Provided are an energy-saving control method and system for a river water source heat pump system. The method comprises the following steps that S1, building standard cold and heat energy consumptionlarge data are built; S2, according to the building function, energy using time and load distribution difference, by combination with the building standard cold and heat energy consumption large data,building refinement partitioning is conducted, a cold and heat energy requirement dynamic curve of all subzones of a building is generated, and the dynamic curve is updated once at fixed intervals; and S3, according to the cold and heat energy requirement dynamic curve of the building, the large hysteresis quality and nonlinearity of an air conditioner system are considered, the river water source heat pump system is divided into an equipment starting stage, a steady-state operation stage and an equipment halt stage, and staged control is conducted; and the temperature changes of river waterare monitored in real time, and when the temperature difference of inlet and outlet water of a river water source heat pump unit exceeds the set value, corresponding water pumps are controlled in a variable-frequency mode, and the water flow is adjusted. The invention further discloses the energy-saving control system for the river water source heat pump system. The energy-saving control method and system for the river water source heat pump system have the advantages of being high in efficiency, stable, free of pollution, small in energy consumption, remarkable in energy-saving effect and thelike.

The invention belongs to the field of air conditioning equipment, and particularly provides a control method of a heat pump unit. The invention aims to solve the problem that an energy efficiency factor is not considered in the existing control method of the heat pump unit during adjustment of the opening aperture of a throttling valve. The control method comprises the following steps: obtaining an air suction superheat degree of a compressor; and comparing the air suction superheat degree with a preset range, and then controlling an operation opening aperture of the throttling valve in selective combination with a difference between water feeding temperature and water discharging temperature of the heat pump unit according to a comparison result of the air suction superheat degree and the preset range. Therefore, the throttling valve can select different control methods according to different working conditions, and the opening aperture of the throttling valve can be set to be the optimal operation opening aperture, so that the heat pump unit can generate the maximum energy efficiency to ensure that the heat pump unit can keep an efficient operation state all the time.

The invention relates to a power control system and a power adjustment method for a drag suction dredger, and belongs to the technical field of dredging engineering. The power control system for the drag suction dredger comprise a power calculation, analysis and control unit, a middle / low-voltage power station, a generator, a dredging equipment signal acquisition unit, a propelling device signal acquisition unit and a power supply mode control unit. The power adjustment method for the drag suction dredger comprises the following steps that: the middle / low-voltage power station, the generator,the dredging equipment signal acquisition unit and the propelling device signal acquisition unit respectively acquire digital signals and equipment state signals of the middle / low-voltage power station, dredging equipment and a propelling device; and the power calculation, analysis and control unit performs processing and analysis calculation on the acquired signals to determine the total power required for dredger construction. The system configures a power supply mode automatically to keep the high-efficiency dredging operation of the drag suction dredger. The system and the method have theadvantages of simple structure, automatic control, reasonable power distribution, intelligent operation, high dredging efficiency and the like.

Provided are an energy-saving control method and system for a deep lake water source heat pump system. The method comprises the following steps that S1, a building cold and heat load prediction modelis built; S2, building refinement partitioning is conducted according to the building cold and heat load prediction model, and a cold and heat energy requirement dynamic curve of all subzones of a building is generated and is updated once every other 15-30 min; and S3, an indoor terminal, a freezing water pump, a valve unit, a deep lake water source side water pump and a heat pump host of the deeplake water source heat pump system respond to a command sent by a central host in time, the equipment response time, the starting and stopping characteristics and the system water capacity are considered according to the energy requirement dynamic curve, the deep lake water source heat pump system is divided into an equipment starting stage, a steady-state operation stage and an equipment halt stage, and staged control is conducted. The invention further discloses the energy-saving control system for the deep lake water source heat pump system. The energy-saving control method and system forthe deep lake water source heat pump system have the advantages of being high in efficiency, stable, free of pollution, small in energy consumption, remarkable in energy-saving effect and the like.

Provided are an energy-saving control method and system for a sewage source heat pump system. The method comprises the following steps that S1, a building standard cold and heat load prediction modelis established; S2, refine building partition is carried out according to the building standard cold and heat load prediction model, a cold and heat energy consumption need dynamic curve of sub-areasof a building is generated, and the dynamic curve is updated one time at intervals; and S3, facilities of the sewage source heat pump system respond to a command issued by a central mainframe in time,the sewage source heat pump system is divided into the facility starting phase, the steady-state operation phase and the facility shutdown phase according to the energy consumption need dynamic curve, in the steady-state operation phase, whether the temperature difference of a water inlet and outlet of a sewage source heat pump unit is within the set temperature range or not is judged, if yes, running is carried out in the set temperature difference range, and if no, variable-frequency adjustment is carried out on a corresponding water pump. The energy-saving control method and system for thesewage source heat pump system have the advantages of being efficient, stable, free of pollution, small in energy consumption, remarkable in energy saving effect and the like.

The patent relates to a lightweight filter material filter tank, which mainly comprises a tank, water distributing units, a filter material unit, a filter material cleaning unit, a water outlet unit,a sludge discharging unit and a ventilation unit. The filter tank is characterized in that except from an air inlet and ventilation opening, the other space is closed. According to the feature that alightweight filter material is lighter than water, when the lightweight filter material is accumulated in water, the lightweight filter material is floated in a distribution state that a large part ofthe lightweight filter material is above the water surface and a small part of the lightweight filter material is under the water surface. A filter material layer above the water surface is taken asa main biochemical reaction, and sufficient oxygen supply and efficient biochemical reaction are achieved with relatively low energy consumption through ventilation and water distribution. The cleaning unit is arranged under the water, and the cleaned filter material is recycled to the surface of the filter layer, so that the filter material is continuously renewed, the activity of a biological membrane is ensured and blocking and short-circuiting of a filter layer are prevented. The cleaned sludge is discharged at regular intervals through the sludge discharging unit. The tank is free of filter plate, is simple in structure, and is efficient and energy-saving, and is free of blocking or short circuiting.

The invention provides a dynamic random access memory, a memory management method, a memory management system and a storage medium. The dynamic random access memory comprises a circuit substrate, anda DRAM chipset, a memory controller, a first interface and a second interface which are integrated on the circuit substrate, the memory controller is respectively connected with the DRAM chipset and afirst interface and responds to a read-write request of the central processing unit connected to the first interface; the memory controller is connected with the second interface; and when the instruction set read by the central processing unit in the DRAM chipset meets a preset condition, acquiring a subsequent instruction set of the instruction set in the DRAM chipset from a large-capacity storage device through the second interface, and storing the subsequent instruction set in the DRAM chipset. The method can enable the central processing unit to be always in an efficient operation state,is suitable for the fields of cloud calculation and the like, and can greatly improve the operation efficiency of the system.

The invention provides a fuzzy control method for a separation system during a cement grinding production process. The method comprises the following steps: S1, a variable membership function is built, and a fuzzy variable assignment table is acquired; S2, a fuzzy control rule is built, and fuzzy relation matrixes RRmp and Rv are acquired; and S3, according to a variable acquired instantly, a fuzzy control quantity is obtained through fuzzy calculation, and through a computer incremental control method, the cement grinding separation system is controlled. The fuzzy control method is adopted, the fuzzy relation between the rotation speed of the separator and specific surface area of milled cement and sieve residue and the fuzzy relation between a cold air valve and the specific surface area of the milled cement and the sieve residue are built, and a scientific and optimal separation process during the cement grinding production process can be realized.

The invention discloses a multifunctional direct expansion type energy recovery and fresh air ventilation all-in-one unit and a control method. The multifunctional direct expansion type energy recovery and fresh air ventilation all-in-one unit comprises a dirty air channel, a fresh air channel, a refrigerant compression loop, an economizer, a dirty air heat exchange loop and a fresh air heat exchange loop. The multifunctional direct expansion type energy recovery and fresh air ventilation all-in-one unit is suitable for places such as precision machine rooms, laboratories, operating rooms, sterile rooms, data centers and the like which require high environmental levels, and has the free combination of multiple functions such as dirty air removal, fresh air conveying, temperature control, humidity control, air filtration, air sterilization, peculiar smell elimination, air purification, deep energy recovery and the like, and different functional requirements are met, and energy is saved.

The invention discloses a fiber temperature measuring structure used for a 10kV distribution transformer. The fiber temperature measuring structure is reasonable in structure and convenient to operate and can effectively and accurately detect the hot-spot temperature of a winding inside the transformer. The fiber temperature measuring structure comprises a high-low voltage winding, and further comprises a sensor oil duct stay installed on the high-low voltage winding, a fiber temperature sensor for detecting the temperature of a coil in the high-low voltage winding, a fiber junction box connected with the fiber temperature sensor through a fiber, a lead wire clamp for fixing the fiber and a clamping piece for fixedly installing the lead wire clamp. According to the scheme provided by the invention, the high-low voltage winding in the transformer is provided with the fiber temperature sensor for detecting the hot-spot temperature, and during work, a temperature value is detected through the fiber temperature sensor and is retransmitted to the fiber junction box by use of the fiber, so that the temperature of the high-low voltage winding can be monitored in real time, and it can be ensured that the transformer is at a highly efficient running state.

The invention discloses a fuzzy control method and system for the cement grinder feed quantity. The method comprises the following steps of establishing a membership function corresponding to the rated power deviation of the main motor of the grinder, the membership function of the optimal current deviation of the motor of the grinder tail bucket elevator and the membership function of the increment of the grinder feed quantity, and obtaining the assignment table for fuzzy variables; establishing a fuzzy control rule according to the assignment table of the fuzzy variables and obtaining a fuzzy relation matrix to control the fuzzy control output according to the fuzzy reasoning synthesis rule; and adjusting the feed quantity according to the level value of the deviation between the actual grinder feed quantity output by the fuzzy control and the target value. The fuzzy control method enables the grinder to run at a high-efficiency state.

The embodiment of the invention belongs to the field of big data, and relates to a large-batch data import method, which comprises the following steps: after receiving a data import request, obtainingto-be-imported data corresponding to the data import request; acquiring current real-time memory information of a system, wherein the real-time memory information at least carries a physical memory size, a real-time occupation memory and a real-time occupation memory ratio; obtaining a preset optimal occupation ratio of the system; according to the current real-time memory information of the system, obtaining an optimal import amount corresponding to the optimal memory occupation rate through a preset rule; acquiring real-time import data corresponding to the optimal import quantity in batches from the to-be-imported data; and importing the real-time import data acquired each time into a system database in batches. The invention further provides a large-batch data import device, computerequipment and a storage medium. The import time is greatly shortened, the data import efficiency is improved, and meanwhile, the problem of system crash caused by insufficient memory is avoided.

The invention discloses a multi-head laser master-slave control method, and the method comprises the following specific steps of S1, respectively testing the marking time of n pieces of laser equipment during marking, and sequentially recording the n pieces of laser equipment as J1, J2... Jn; installing J1, J2...Jn on an assembly line in sequence along the conveying direction of the assembly line,and recording the effective working distance of the above equipment on the assembly line; step S2, inputting measured data into a background monitoring system, and according to the conveying speed ofthe assembly line, respectively evaluating the marking capability of J1, J2...Jn; step S3, detecting products on the assembly line by a sensor and sending a detected signal to the background monitoring system; performing work sorting on the products in sequence by the background monitoring system; and S5, sequentially judging whether J1, J2... Jn have enough time to mark the products by the background monitoring system or not. According to the multi-head laser master-slave control method provided by the invention, marking tasks can be allocated to each laser equipment according to the markingcapability of each laser equipment, and the marking efficiency of the products is greatly improved.

The invention provides a method and a system for controlling pulse purification of sewage, and relates to the technical field of sewage treatment. The method for controlling the pulse purification ofthe sewage is applied to the system for controlling the pulse purification of the sewage. The method comprises the following steps of obtaining the current environment parameters of a conditioning tank; when the current environment parameters meet a first triggering condition, controlling a water pump to run in a heartbeat way and pump the sewage in the conditioning tank into a reaction tank to treat. The method and the system for controlling the pulse purification of the sewage have the advantages that the self-adaptive ability of miniature sewage treatment facilities to the nonuniform drainage of sewage is effectively improved; the contradiction between small-flow rate requirement and difficulty in finding of electromechanical equipment with equivalent ability is solved in the sewage treatment process; the difficult problem of a big horse pulling a small cart is solved; the power equipment always runs at high efficiency; the great energy-saving effect is realized.

The invention discloses a three-dimensional combined ecological floating island system based on river navigation. The ecological floating island system comprises a plurality of mutually spliced floating body modules, wherein each floating body module comprises a planting basket module, a floating body module and a filling module in sequential stacking from top to bottom; a placing opening is formed in each of the floating body module and the filling module; the lower end of the planting basket module sequentially passes through the floating body module and the filling module and extends out from the placing opening. The modular combination is used; the fast replacement is realized; the maintenance and the management are convenient; the ecological floating island system is enabled to be in an efficient operation state all the time.

The invention provides a traffic signal lamp control method and device, and is used for solving the technical problem of low operation efficiency of a regional road network. The traffic signal lamp control method comprises the following steps: acquiring regional road network information, and identifying intersections in the regional road network; classifying the regional road network to generate a first type of intersections and a second type of intersections; obtaining regional road network information of the first type of intersections and the second type of intersections, and generating a first release instruction through a first timing model; and sending the first release instruction to the traffic signal lamp group of the first type of intersection so as to control the traffic signal lamp group of the first type of intersections to release the traffic flow of the first type of intersections. Compared with the prior art, the traffic signal lamp control method improves the overall operation efficiency of the regional road network.

The invention discloses a coal mining subsidence area water ecological restoration system which comprises a surface runoff collecting pool, a control system and stepped planting filter beds, the adjacent planting filter beds are communicated through pipelines, and the planting filter beds adjacent to lakes discharge water into the lakes through water outlet pipes. The planting filter bed far away from the lake is communicated with the surface runoff collecting pool through a water inlet pipe; the side wall of at least one stage of planting filter bed is provided with a landscape lighting lamp electrically connected with the power supply module, the top of a lamp post of the landscape lighting lamp is provided with a photovoltaic power generation panel connected with the power supply module, and the photovoltaic power generation panel is connected with the power supply module through a photovoltaic inverter; the control system comprises illumination sensors, a flow adjusting valve installed on the water inlet pipe and a controller, the controller is used for receiving illumination intensity collected by the illumination sensors, and when the average illumination intensity of all the illumination sensors is larger than preset illumination intensity and the flow speed of the water inlet pipe and the water outlet pipe is not changed, the opening degree of the flow adjusting valve is adjusted. The water yield of the water inlet pipe is increased.

The invention relates to a control method for safe combustion of an industrial furnace. According to the control method, the operation of the next link is carried out on the premise that the safety of the previous link is ensured in the ignition and operation process of the industrial furnace, the safety risk in the ignition and operation process of the industrial furnace is reduced to the maximum extent through real-time monitoring and adjustment of all the links in the process, explosions and other safety accidents caused by misoperation or equipment faults are avoided, and the industrial furnace can be located in a safe, efficient and stable operation state.

The invention discloses a steam pipeline pressurization system. The system involves a steam inlet buffer tank, a steam exhaust buffer tank, an inlet guide vane mechanism, a compressor first stage and a compressor second stage, wherein the compressor second stage and the steam exhaust buffer tank are connected through a steam exhaust pipeline, a bypass pipeline is arranged between a steam inlet pipeline and the steam exhaust pipeline, the bypass pipeline is provided with an anti-surge valve and a temperature and pressure reducing device, the temperature and pressure reducing device is internally provided with a temperature reducing valve and a pressure reducing valve, the system further involves a gear box, a main motor, a lubricating oil system, a plurality of temperature sensors, a pressure sensor and a PLC control system, a control instruction is sent to the pressurization system for full-automatic control, a full-automatic control method of the steam pipeline pressurization system is further disclosed, and the full-automatic control method comprises a starting mode, a constant-pressure self-control mode, a spraying system self-control mode, an automatic anti-surge mode, a stopping mode and a whole-process online monitoring mode. The steam pipeline pressurization system is in the six control modes, so that full-automatic control over the whole system in the whole process of starting, stopping and normal operation can be realized.

The invention discloses a multi-machine-head single-return-stroke segmented compression type water chilling unit. The multi-machine-head single-return-stroke segmented compression type water chilling unit comprises a combined condenser and a combined evaporator; the combined condenser is formed by sequentially connecting and combining a plurality of segmented condensers, and condenser pipe bundles are arranged in the combined condenser and used for all the segmented condensers; the combined evaporator is formed by sequentially connecting and combining a plurality of segmented evaporators, evaporator pipe bundles are arranged in the combined evaporator and used for being used by all the segmented evaporators, and the segmented condensers correspond to the segmented evaporators in a one-to-one mode; and compressors are connected between the segmented condensers and the segmented evaporators which correspond to each other, and the compressor, the segmented condenser and the segmented evaporator form a refrigeration function section. The refrigerating capacity and the chilled water flow can be independently controlled according to actual requirements, the problem that the refrigerating capacity and the chilled water flow of an existing water chilling unit are difficult to match is solved, and therefore the good using effect of the water chilling unit is guaranteed.

The invention provides an air conditioner control method and a nonvolatile storage medium, and the air conditioner control method comprises the steps that when an air conditioner is in a preset working mode, the actual environment temperature and the detected environment temperature detected by the air conditioner are detected; a plurality of detection temperature differences are obtained according to the detected actual environment temperatures and the detected detection environment temperatures; a temperature difference curve is obtained according to the multiple detection temperature differences and multiple corresponding operation times when the air conditioner is in the preset working mode; the current working mode of the air conditioner is detected, when the current working mode belongs to the preset working mode, the current temperature difference value at the current operation moment is obtained according to the temperature difference curve under the working mode, and the current detection temperature is set to be the sum of the actual detection temperature and the obtained current temperature difference value; or the current detection temperature is set to be the difference between the actual detection temperature and the obtained current temperature difference value. The problem that in the prior art, the difference between the detected temperature of an air conditioner and the actual environment temperature is large is solved.

The invention provides a wet and cold steam turbine generator unit lubricating oil heat recovery and utilization method. Lubricating oil return heat is used for preheating condensed water returning a furnace, so that extraction steam of a final-stage low pressure heater is reduced, power output is increased, heat consumption is reduced, and part or all of cooling water of oil coolers can be saved. Meanwhile, scaling of the oil coolers and heat pollution to the environment can be retarded. The condensed water is adopted as the cooling water, and the quality of the condensed water is far superior to open cooling water or closed cooling water, so that pollution and scaling of at the oil coolers are effectively reduced, and the oil coolers are made in an efficient running state for the long term.

The invention provides a fuzzy control method for a separation system during a cement grinding production process. The method comprises the following steps: S1, a variable membership function is built, and a fuzzy variable assignment table is acquired; S2, a fuzzy control rule is built, and fuzzy relation matrixes RRmp and Rv are acquired; and S3, according to a variable acquired instantly, a fuzzy control quantity is obtained through fuzzy calculation, and through a computer incremental control method, the cement grinding separation system is controlled. The fuzzy control method is adopted, the fuzzy relation between the rotation speed of the separator and specific surface area of milled cement and sieve residue and the fuzzy relation between a cold air valve and the specific surface area of the milled cement and the sieve residue are built, and a scientific and optimal separation process during the cement grinding production process can be realized.

The invention discloses a multi-unit coordinated control method of a distributed power flow controller. The technical solution adopted in the present invention is: the output distribution of all DPFC units is undertaken by the coordination controller, which updates the control target every other control cycle T, and then judges whether the control target changes, and when the control target remains unchanged, The number and output of DPFC units also remain unchanged; when the control target changes, the coordinating controller needs to re-establish the DPFC unit allocation plan according to the new control target, and find out the number of DPFC units that need to be put into work and each DPFC unit. The output power of the unit. The invention can ensure that each working DPFC unit is in an efficient operation state, and fully utilizes the redundant units on the line, improves the average utilization rate of all DPFC units, reduces the failure rate of a single DPFC unit, and greatly prolongs the entire DPFC series system lifespan.