91results about How to "High degree of automatic control" patented technology

The invention provides an automatic air-container control method adapting to multiple occasions, which can provide an optimal control mode for users of different physiques according to different application occasions, create a comfortable environment for the users and meanwhile avoid the trouble of manually setting the set temperature, air speed, state of an air supply device and state of a ventilation device through the users by intelligent operation of an air-conditioner. In the automatic control method for the air-conditioner in different application occasions, a controller is preset with multiple control modes corresponding to the different application occasions, and the running parameters are automatically adjusted according to the air quality conditions of the application occasions when the control modes run. Particularly, the parameters of a customized control mode can be set by the users according to personal preferences and needs and memorized to the controller of the air-conditioner; and after entering the customized control mode, the air-container runs according to the previously memorized state. Therefore, comfortableness of the users is greatly improved, and the customized control mode can be applied to all crowds.

The invention relates to an immersed vacuum membrane distillation plant and a sewage treatment technology using the same. The immersed vacuum membrane distillation plant comprises a raw water storage tank, a gas dissolving pump, a raw water heating water tank, a membrane distillation hydrophobic membrane module, a condenser, a vacuum buffer tank, a vacuum pump, a water producing tank, a valve, a measuring instrument, and an automatic controller. The sewage treatment technology is characterized in that: raw water is subject to pH regulation, microfiltration and other pretreatment, then the pretreated raw water enters into the raw water storage tank, the sewage in the raw water storage tank is subject to gas-water mixing through the gas dissolving pump, and then the gas-water mixture enters into the raw water storage tank for heating to a specific temperature, membrane distillation is carried out at the specific temperature, the produced water after membrane distillation is directly reused, and a little thick water is treated concentrately. According to the invention, the use of the plant in sewage treatment reduces the effect of concentration polarization and temperature difference polarization in the sewage, reduces membrane pollution, increases the membrane distillation flux, prolongs the operation period of the membrane module, reduces the heat loss of the pipeline, and increases the heat utilization rate.

The invention discloses an urban rainfall flood preventing and treating intelligent control system and a control method. A road surface accumulated water level sensor, a river level sensor, a well and pond level sensor, a pipeline, a flow rate sensor and a flow sensor of a pump outlet and a speed adjusting frequency converter arranged on a pump are arranged. A central control unit is arranged and in signal and control connection with the road surface accumulating water level sensor, the river level sensor, the well and pond level sensor, the flow rate sensor, the flow sensor and the speed adjusting frequency converter. The central control unit is provided with a display with a big screen, a printer, an interface and a communication line, wherein the interface and the communication line transmit data with an upper controller. The control method includes the following steps that the control system is set and an initial value of the control system is set; a network line is opened, the central control unit is connected and the system operates; warning situations are dealt with in time; data is filed, settled and reported. The urban rainfall flood preventing and treating intelligent control system and the control method are suitable for monitoring, preventing and treating of urban drainage and rainfall floods, complete in structure, high in automaticity, easy to operate, timely and accurate in monitoring and capable of ensuring safety of urban drainage and flood control.

The invention relates to a circulating water cooling system, in particular to a circulating water cooling system for cooling towers, which is used for intelligent energy-saving and comprehensively uses devices such as a cooling tower, a heat exchanger, a circulating water pipeline, a cooling tower water pump and the like. The cooling system comprises a cooling tower, a heat exchanger, a circulating water pipeline and a cooling tower water pump, wherein a water kinetic energy wheel fan is arranged in an air tube; a circulating water input port is dead against the water kinetic energy wheel fan, and the kinetic energy of circulating water directly drives the water kinetic energy wheel fan to rotate; and an ultrasonic scale preventing and removing device is arranged in a second water feeding pipe behind the heat exchanger. The circulating water cooling system for cooling towers, disclosed by the invention, adopts a closed-loop intelligent control mode; and the flow and pressure of cooling water in the cooling tower circulating pipeline are main physical parameters of heat exchange efficiency, and the rotating speed of a water turbine blade, the frequency control of the water pump and the starting of the ultrasonic scale preventing and removing device are controlled through sampling the change values of the flow and pressure, thereby achieving an effect of improving the heat exchange efficiency according to the heat exchange requirements.

The invention relates to a method for processing the oxidization desulfuration tail gas of hydrocarbons. Wherein, it compresses, condenses, and recycles the hydrocarbons; the non-condensed gas via catalyst is burnt to be purified and discharged. The invention has high recycle rate and low cost.

The invention provides an arch breaking device for a storage bin, comprising double-end helical teeth, disk type compression air convection devices and a helical conveyor, wherein the double-end helical teeth are fixedly installed on the inclined wall of the storage bin symmetrically by a shaft; a group of disk type compression air convection devices is evenly arranged on the storage bin wall below the double-end helical teeth by taking a storage bin axis as a center; the disk type compression air convection devices are connected with an external air pump; the air pump is connected with a PLC (Programmable Logic Controller); and a discharge opening at the bottom of the storage bin is provided with multiple groups of helical conveyors. The arch breaking device for the storage bin, disclosed by the invention, is used for breaking a material arch in the storage bin by combining with the double-end helical teeth and the disk type compression air convection devices and has the advantages of simple structure, safety and convenience for use, complete arch breakage, safety, energy saving, high automatic control degree and no damage to the storage bin.

The invention discloses a cooling system, a control method and a vehicle. The cooling system comprises a cooling unit (2) communicated with an engine water jacket (9) for cooling a coolant flowing through the engine water jacket, a first reflow pipeline (3) respectively communicated with the cooling unit and the engine water jacket and communicated with a hydraulic retarder (10) for enabling the coolant flowing out from the cooling unit to absorb the heat of the hydraulic retarder and to cool and reflow, a second reflow pipeline (4) respectively communicated with the cooling unit and the engine water jacket for cooling and reflowing the coolant flowing out from the cooling unit, and a loop switcher (5) arranged between the cooling unit and the first reflow pipeline and the second reflow pipeline for controlling the conduction and the cutoff of the first reflow pipeline and the second reflow pipeline. The cooling system can separate the hydraulic retarder from a cooling pipeline of an engine to reduce the fuel consumption of the engine.

The invention discloses a flue gas and air premixing pipe bundle self-cooling low-nitrogen combustion device and a combustion method thereof. The flue gas and air premixing pipe bundle self-cooling low-nitrogen combustion device comprises a gas pipeline, an air blower and a flue gas and air premixing pipe bundle self-cooling low-nitrogen combustor; a flue gas and air mixing device is connected to an air inlet of the air blower; a flue gas and air mixing pipeline is connected to an air outlet of the air blower; a flue gas and air mixing ejector is connected onto the flue gas and air mixing pipeline; an air sleeve is arranged on the low-nitrogen combustor; a main gas jet pipe is arranged in the air sleeve; a circle of flue gas and air mixing cooling pipe bundle is arranged on the periphery of the main gas jet pipe and directly goes deep into a hearth; a burning torch is arranged on the combustor; a flue gas and air mixing inlet is formed in the air sleeve; the rear end of the main gas jet pipe communicates with a big fire gas pipeline provided with a big fire valve and a small fire gas pipeline provided with a small fire valve; and a flame detector is arranged on the end head of the burning torch. The device is applicable to a gas boiler, has the characteristics of simple structure, reasonable design, flame combustion with low nitrogen at low temperature, capability of automatic cooling, accurate control and the like, and ensures lower nitric oxide emission load of the gas boiler.

The invention relates to a high-temperature Hopkinson tensile bar test system by using two-way electromagnetically-driven synchronous assembly and method. A high-temperature Hopkinson tensile bar system and a high-temperature compression test method which use an accurate electromagnetically-driven two-way synchronous sliding assembly system and a high-frequency electromagnetic induction rapid heating method are built. According to the device in the invention, a set of electromagnetic control device, a set of electromagnetically-driven two-way synchronous assembly device and two high-precisiondelay devices are additionally arranged on the conventional Hopkinson tensile bar, the starting and ending time of each process including an impact process, a heating process and a loading rod synchronous assembly process during the high-temperature dynamic compression test can be accurately controlled, and the cold and hot contact time during the whole test process can be further accurately controlled. A control component is designed in an integrated module mode, the test accuracy is improved, and the dynamic compression mechanical properties of the material at a high temperature can be accurately and directly tested.

The invention discloses a steel bar cutter, which comprises a machine frame (1), a power mechanism, a circumferential rotating device (2), a longitudinal feeding device (3), a pressing device (4), an ejecting fulcrum (5), a punching device (6), an operating console (7) and a cutting device arranged outside the machine frame, wherein a motor I in the circumferential rotating device (2) drives a plurality of rotating carrier rolls consisting of driving wheels and driven wheels in pair to rotate; a steel bar rotates with the rotating carrier rolls; the cutting device arranged outside the machineframe cuts a circle of cut mark mouth on the steel bar; the longitudinal feeding device (3) feeds the steel bar to the rear table top of the machine frame (1); the punching device (6) punches the steel bar suspended behind the ejecting fulcrum (5); and the steel bar is cut off suddenly at the cut much mouth. The steel bar cutter has the advantages of steam line operation, continuous feeding, mechanical conveying, high cutting speed, high working efficiency, simple operation, time and labor conservation and production cost reduction.

The invention relates to a process for treating garbage percolate, in particular to a process for spraying and treating percolate and aims to provide a reliable and efficient garbage percolate treatment method for spraying the garbage percolate for burning treatment. The garbage percolate can be prevented from polluting the environment and the pollution problem can be solved completely. In order to fulfill the aim, the process for spraying and treating the percolate is provided and comprises the following steps of: collecting the percolate; filtering the percolate; and spraying the percolate. A technical process for spraying, burning and treating the percolate is simple and is convenient to operate. Stock garbage percolate can be decomposed fully or concentrated solution produced in other treatment modes can be treated simultaneously and secondary pollution is avoided; and compared with other treatment modes, the process has low construction, operation and maintenance costs, small floor area and high automatic control degree and is convenient to operate.

The invention discloses a system and a method for treating and recycling regenerative waste liquid of macroporous denitrification resin. The system comprises a resin adsorption tank, a sodium chloridedosing tank, a waste liquid pool, a denitrification pool, a MBR (membrane bio-reactor), a recycling water tank, a nano-filtration membrane assembly, a reverse osmosis membrane assembly and a sodium hypochlorite generator; a macroporous denitrification resin adsorption technology is adopted to treat and send tail water in a sewage plant to the resin adsorption tank, a sodium chloride solution is utilized to regenerate, the regenerative waste liquid is collected into the waste liquid pool firstly, then enters the denitrification pool, followingly enters the MBR, and effluent flows back into therecycling water tank; the effluent is conveyed to the nano-filtration membrane assembly, and used for preparation of new resin regenerative liquid, concentrated water is partially drained out with the effluent in the resin adsorption tank, the rest concentrated water enters the reverse osmosis membrane assembly to be treated further, 98% and above dissoluble salt is retained, the produced water is directly drained out, the concentrated water directly enters the sodium hypochlorite generator to be electrolyzed, a disinfector is generated to disinfect and sterilize the effluent of the resin adsorption tank, and treatment and recycling of the regenerative waste liquid of the macroporous denitrification resin are achieved.

The invention provides an O-ring sleeving pack mechanism. The O-ring sleeving pack mechanism comprises a bottom support frame and an O-ring feeding platform. A manipulator mounting plate is arranged on the bottom support frame. A lifting sliding rail is in the z-axis direction, and is arranged on one surface, close to the O-ring feeding platform, of the manipulator mounting plate. A transit connecting plate is arranged on the lifting sliding rail and driven by the lifting sliding rail to slide along the lifting sliding rail. A slab is arranged on the lower portion of the transit connecting plate. A straight sliding rail extends in the direction of the z-axis, and is fixedly arranged on one surface, away from the transit connecting plate, of the slab. A three-jaw cylinder expanding mechanism used for expanding an O-ring and is connected with the straight sliding rail. A translation cylinder drives the three-jaw cylinder expanding mechanism to slide at the y-axis along the straight sliding rail. The O-ring sleeving pack mechanism has high degree of automation, high accuracy of O-ring sleeving packing, high production efficiency, and no damage to the O-ring.

The invention belongs to the field of organic synthesis, and specifically a method for preparing furfuraldehyde through hemicellulose by use of a continuous flow microchannel reactor. The method comprises the following steps: controlling a mole ratio of the hemicellulose aqueous solution containing polymerization inhibitor to a catalyst through a metering pump; enabling the hemicellulose aqueous solution and the catalyst to enter the micro channel reactor to perform the mixing reaction; after the mixing reaction is finished, continuously passing through a series of enhanced mass transfer type micro-channel modules and a flow type micro-channel module, after the reaction process is finished, enabling the product to flow out from the outlet of the reactor and then enter a gas-liquid separator to perform the gas-liquid separation, wherein the furfuraldehyde and water vapor mixed gas enters a fractionating tower after being discharged from an upper gas-guiding tube through a throttling valve, and the liquid falls into the separator. By use of the method disclosed by the invention, the hemicellulose recycled by the waste lye in a chemical fiber industry is used as the raw material, the hemicellulose is directly converted into the furfuraldehyde by use of the continuous micro-channel reactor; by use of the way of separating and recycling the catalyst, the yield and the economic benefit are improved, the pollution is lowered, and the ecologic environment is greatly improved.

The invention relates to a portable electronic device, which comprises a receiver, a first microphone, a screen, a processing circuit and a control circuit, wherein the processing circuit is electrically connected to the first microphone, and the control circuit is electrically connected to the receiver, the screen and the processing circuit; the microphone is arranged adjacent to the first microphone; the processing circuit is used for judging the amplitude of sound waves received by the first microphone in the communication process, and outputting corresponding control signals to the control circuit according the amplitude of the sound waves received by the first microphone; and the control circuit is used for controlling at least one item of the volume of the receiver and a switch of the screen according to the control signals.

The invention discloses a long-service-life highly-efficient safe chain-belt pallet-type conveyor system which includes a chain-belt pallet-type conveyor, an automatic receiving two-way buffer diversion groove is arranged under the tail portion of the chain-belt pallet-type conveyor, an automatic two-way output diversion groove is arranged above the conveyor head, and a system frame connects the chain-belt pallet-type conveyor, the automatic receiving two-way buffer diversion groove and the automatic two-way output diversion groove into a whole. The long-service-life highly-efficient safe chain-belt pallet-type conveyor system is characterized by utilizing the automatic receiving two-way buffer diversion groove to divert iron blocks which are formed by an iron casting machine in a casting mode to a dumping ground or to the chain-belt pallet-type conveyor, and utilizing the automatic two-way output diversion groove to divert the iron blocks transported by the conveyor to different automobiles or trains to transport the iron blocks out of the producing field of the iron casting machine. According to the long-service-life highly-efficient safe chain-belt pallet-type conveyor system, the using effect and the safety performance of the conveying system of iron blocks, minerals or block-shaped materials are significantly improved, the service life is prolonged, and accidents of the chain-belt pallet-type conveyor due to the breakage of chain belts are prevented. The long-service-life highly-efficient safe chain-belt pallet-type conveyor system is safe and reliable and has high production capacity and production efficiency, and the production capacity can reach 300 to 500 tons per hour and 4000 to 10000 tons per day.

The invention relates to an atomizing spray gun. Four leachate return and spray nozzles are arranged on two sides of the outlet sidewall of a burning hearth furnace and are parallel to a secondary air inlet. The atomizing spray gun comprises a compressed air nozzle, a leachate nozzle, a flange, a protective sleeve, a gun rod and an atomizing nozzle. The compressed air nozzle is screwed to the larger end of the leachate nozzle in a threaded manner, the gun rod is screwed to the smaller end of the leachate nozzle in a threaded manner, and one end of the atomizing nozzle provided with a thread is screwed to the outer thread of one end of the gun rod. The gun rod is fixed to the flange in a welded manner, and the flange is sleeved with a seal ring. One end of the protective sleeve with a mounting hole sleeves the flange and is fixed through a screw to prevent from dropping. The atomizing spray gun has the advantages that dual-fluid design is adopted, the leachate and the compressed air are mixed in the nozzle under certain pressure, fine atomized particles are produced, and service life is super long.

The invention discloses a double-glass pH electrode fully automatic detection device. The device comprises a group A of glass electrodes, a group B of glass electrodes, a motor, an electrode lifting system, a measurement control system, an upper limit hall switch, a lower limit hall switch and an electrode cleaning system, wherein the electrodes are arranged at the lower end of an electrode container; the upper end of the electrode container is provided with an electrode lead which is connected to the measurement control system; the motor is connected with an electrode lifting mechanism through a transmission mechanism; the electrode lifting mechanism comprises a guide seat, a connecting arm, a rack shaft and a rack; and the guide seat is fixed on a body. The device is characterized in that: (1) a container pressing hand wheel for guaranteeing non-displacement of the electrodes and a wire is arranged above the electrode container; (2) a chute plate below a deflecting spiral chute bodyis modified, and the original single-chute structure is changed into a double-chute structure; (3) the electrode container is provided with an acid shielding cover, and the lower part of the electrode is provided with a positioning ring which prevents the electrodes from swinging left and right as well as up and down along with the movement of the electrode container, seals an electrode head and keeps the electrode head dry for a long time; and (4) the upper part of acid shielding glass is provided with a fixing plate which is fastened by a positioning pin.

The invention relates to the technical field of coffee machinery, in particular to a full-automatic coffee brewing device which adopts the structure that a trigger switch and a control circuit board are arranged on a machine body; the trigger switch is electrically connected with the control circuit board; a brewing chamber capable of moving left and right is arranged in one end of an inner chamber; one end of the brewing chamber sleeves a brewing component; the brewing chamber moves left and right under the driving of a driving device; the driving device is electrically connected with the control circuit board and the trigger switch; a hydraulic cylinder is arranged in the other end of the inner chamber; a piston is arranged in the hydraulic cylinder; the hydraulic cylinder is electrically connected with the control circuit board; a flow passage used for supplying water to the brewing chamber is formed in the piston; a one-way valve is arranged in the flow passage; a travel switch I and a travel switch II are arranged in the brewing chamber correspondingly; a travel switch III is correspondingly arranged in the hydraulic cylinder; the travel switches (I, II and III) are electrically connected with the control circuit board. The full-automatic coffee brewing device has the advantages that full-automatic operation is realized effectively; convenience is greatly improved.

The invention discloses a method for treating high-sulfur materials through continuous pressure oxygen leaching. The method comprises the steps of material preparation, liquid preparation through pressure oxygen leaching, flash evaporation, liquid-solid separation, washing, heat exchange and the like; the reaction temperature is kept through heat release in the oxidation process of low-valence sulfur in the materials, steam consumption and additive consumption are avoided, redundant heat in the reaction process is consumed by introducing cooling media, the reaction temperature rise is effectively controlled, and reaction heat energy is sufficiently and comprehensively utilized through heat exchange. According to the method, continuous pressure leaching is conducted in one stage, flash evaporation, continuous cooling and pressure reduction are conducted in another stage, leaching residues do not need to be treated to recycle sulfur, the whole production process is continuous, the automatic control degree is high, self-heating is achieved in the reaction process, the reaction temperature does not need to be kept by adding elemental sulfur or steam, the leaching time is short, the metal yield is high, the production energy consumption is low, and the continuity, the stability and the safety of production operation are higher.

The invention relates to the technical field of environmental engineering wastewater treatment and discloses a multistage fluidized bed crystallization based desulfuration wastewater treatment method and system. According to the method and the system, suspended substances are removed from desulfuration wastewater through replacing a pre-sedimentation tank with a filter pressing mode, sludge is subjected to dewatering in a filter pressing and squeezing mode, heavy metals, magnesium ions and calcium ions in the desulfuration wastewater are separately separated in a crystal form by a multistage fluidized bed crystallization process, and the purity of magnesium hydroxide and calcium hydroxide in the desulfuration wastewater can be improved in a fluidizing manner, so that the method and the system can be applied to desulfurizing agents for flue gas desulfurization and can also be applied to other raw materials for industrial use. The multistage fluidized bed form runs continuously, and the degree of automatic control can be increased greatly, so that the stability of operation of a pretreatment device is improved, and the dosage of chemicals is lowered. In subsequent treatment, sodium chloride and sodium sulfate are separated by using the characteristic of separating monovalent salts and divalent salts through nanofiltration, and MVR evaporation concentration with high concentrating efficiency and freezing crystallization with high crystallizing efficiency are separately adopted according to physical properties of the two kinds of salts.

The invention relates to a weaving method for novel mica base cloth, in particular to a weaving method for utilizing an air jet loom to weave the mica base cloth. As the mica base cloth is generally thin cloth, and the thickness is smaller than 0.1 mm, the air jet loom is not utilized for producing the mica base cloth at present in weaving production of glass fiber. By improving the air jet loom, an impregnating compound of glass fiber yarn and the warping technology, the air jet loom can weave thick cloth and thin mica base cloth with stable quality. The mica base cloth produced through the method is good in cloth quality and thin, the weaving efficiency is high, the thickness is smaller than 0.1 mm, and the requirement of the thin glass fiber cloth for mica tape can be fully met.

The invention discloses a manufacturing method and the device of the metallic inserting core of an optical fiber connector, wherein, the method and the device are used for manufacturing the inserting core of the optical fiber connector used in communication. The invention is respectively provided with the temperature controlling groove with a temperature controlling device and the electric casting groove with a net basket in the middle part. The two sides of the net basket is symmetrically provided with a core cable rack which adopting the structure with single anode while double cathodes. The core cable rack is driven by a single electric motor and a gear wheel as well as a synchronous shaft so as to drive each core cable to rotate. The invention has high automatic control level; the separately arranged electric casting groove and the temperature make electric casting parameters more stable. The structure of the core cable rack symmetrically arranged on the two sides of the titanium made net basket and the structure with single anode while double cathodes make the deposited metallic layer much evener with much higher concentricity. Through the driving operation of the gear wheel and the synchronous shaft, only one electric motor is able to drive all the core cables and the two terminals on the core cable rack to synchronously rotate, ensuring that the two ends of the generated inserting core have the same radius.

The invention discloses a high-voltage electrostatic field type seawater desalination system, which comprises a high-voltage control system, a high-voltage electrostatic field seawater desalination device, a heat exchanger, a heat circulation pump and a hot-water storage box, wherein the bottom portion of a water condensation box is a condensation plate, low-temperature seawater enters the water condensation box, the condensed seawater and steam are subjected to first heat exchange through the condensation plate, the first heat exchange seawater enters the heat exchanger and is subjected to secondary heating, the hot seawater is conveyed to the high-position hot water storage box through a circulation water pump, uniform water distribution is performed from the high-position hot water storage box to a high-voltage electrostatic field type seawater desalination distillation device, the hot seawater is uniformly distributed into a porous water absorption plate through a perforated pipe,the seawater is subjected to phase change at the porous water absorption plate under the high-voltage electrostatic field, the steam is condensed on the condensation plate to form fresh water, the fresh water is collected by an intercepting plate, and the concentrated seawater flows from the bottom portion of the porous water absorption plate to a concentrated seawater collecting tank, and is finally discharged from a concentrated seawater outlet. According to the present invention, the water evaporation rate in the high-voltage electrostatic field is accelerated, such that the water production efficiency is improved, the energy is saved, and the effect is improved.

The invention provides an electric heating pressure stewing utensil and belongs to a pressure type electric heating stewing utensils for kitchens. The electric heating pressure stewing utensil comprises a pot cover, a pot body, a sealing ring, a pressure relief groove and an elastic structural member. One end of the elastic structural member is arranged on the pot cover or the pot body. The other end of the elastic structural member is provided with a connecting structure matched with the pot body or the pot cover. The sealing ring is arranged between the pot cover and the pot body. The pressure relief groove is formed at the sealed portion of the pot body or the pot cover. The electric heating pressure stewing utensil further comprises a control system and an electric heater arranged at the bottom of the pot body. The control system is connected with the electric heater, an electric heating time control device, a cooking temperature control device and the like. Due to the arrangement of the threaded connecting structure and a position sensing device and technologies like program control, the problem that people need to watch a utensil to control and adjust the heating degree and time in cooking in the prior art is solved, selection on pressure and time is programmed and standardized when food is cooked, and the electric heating pressure stewing utensil has the advantages of being high in safety, high in degree of automatic control, easy and convenient to operate and low in production cost.

The invention relates to a method for processing the oxidization desulfuration tail gas of hydrocarbons. Wherein, it compresses, condenses, and recycles the hydrocarbons; the non-condensed gas via catalyst is burnt to be purified and discharged. The invention has high recycle rate and low cost.

The invention discloses an empty-burning and dry-burning prevention control device of a gas stove. The device comprises a non-contact type gas stove temperature acquisition module, a timing control module and an alarm module, wherein the non-contact type gas stove temperature acquisition module is used for acquiring temperature information within the range of the gas stove; the timing control module is used for controlling and connecting a gas supply valve of the gas stove, acquiring the temperature information and timing, and controlling the gas supply valve of the gas stove to be closed whena preset temperature threshold range is reached and duration reaches preset timing duration; and the alarm module is used for receiving an instruction of the timing control module and sending out a warning signal when the preset temperature threshold range is reached and the duration reaches the preset timing duration. According to the device and the gas stove, the safe cooking, empty burning anddry burning states of the gas stove can be identified according to monitoring temperature data, and the gas supply valve is controlled to be cut off when empty burning and dry burning are judged on the basis of timing configuration, so that the purpose of safely controlling the use of the gas stove is achieved; and meanwhile, a mode configuration function is achieved, use timing and temperature adjustment of the gas stove are achieved according to the cooking purpose, intelligence is achieved, and the automatic control degree is high.

The invention relates to the technical field of track traffic and particularly relates to an intelligent gateway for an integrated subway monitoring system. The intelligent gateway includes an integrated control room, a monitoring terminal, an interconnection subsystem, an integrated subsystem, a power supply module and an external power supply, wherein the integrated backup control room is communicated with the interconnection subsystem and the integrated subsystem through the local area network, data exchange with the integrated backup control room is performed through a Web Service interface, the interconnection subsystem and the integrated subsystem are used for acquiring multiple types of information of the subway track traffic and maintains subway operation, an integrated backup control room support B / S configuration is connected with the monitoring terminal, and the power supply module is used for supplying power for the integrated control room, the monitoring terminal, the interconnection subsystem and the integrated subsystem and is further connected with the external power supply. The intelligent gateway is advantaged in that the comprehensive integrated monitoring systemintelligent gateway for subway security is provided, collection and interaction of the monitoring information are realized through the subsystems, the monitoring terminal acquires a control command issued by the integrated control room through the communication module, and real-time monitoring of subway operation status changes is achieved.

The invention relates to a multi-stage disc type solid-liquid separator or dust collector, including a rack. A housing is arranged on the rack. A settling cylinder and a multi-stage rotary drum synchronous solid-liquid or gas-dust separation and continuous dreg discharge system are arranged in the housing. The system includes a closed settling drum. A drum assembly formed by laminating multiple stages of rotary drums is coaxially arranged in the settling drum. The drum assembly is fixed on a hollow shaft and follows the hollow shaft driven by a driving motor to rotate in the housing. The drumassembly performs solid-liquid or air-dust centrifugal separation of raw sewage or dust step by step, and is synchronous with the settling drum to perform secondary solid-liquid separation or air dustcentrifugal separation. The multi-stage disc type solid-liquid separator or dust collector also includes a raw sewage or dust continuous dreg discharge system, a settling drum secondary timed dreg discharge system, a sewage or dust feeding system and water discharge and gas discharge systems. During operation, the objectives of fully automatic continuous sewage or dust feeding, continuous dreg discharge, pure water discharge and pure gas discharge can be achieved as a whole. The multi-stage disc type solid-liquid separator or dust collector is replacement equipment for sewage or dust removaltreatment in the breeding industry, sewage treatment plants or cement plants.