73results about How to "Avoid wasting energy" patented technology

The invention relates to a forming die, and particularly discloses a rare earth permanent magnet powder compression forming die which comprises an upper die assembly, a lower die assembly and a filling mechanism, and the lower die assembly comprises a bearing disc, a driving mechanism and a lower die body; a plurality of material returning holes are formed in the bearing disc; the driving mechanism is in transmission connection with the bearing disc; the lower die body is provided with forming holes with the same number as the material returning holes, the lower die body is rotationally fixed above the bearing disc, a one-way transmission mechanism is arranged between the lower die body and the bearing disc, and the bearing disc and the lower die body rotate relatively, so that the material returning holes and the forming holes are distributed oppositely or in a staggered mode; a pressing head is arranged in the upper die assembly, and the filling mechanism is composed of a filling head and a feeding pipe. Pressure is applied to pressing and demolding of the green body through the upper mold assembly, an ejection mechanism and a power device do not need to be independently arranged for demolding, and the overall structure of the profiling equipment is simplified. And an upper-inlet and lower-outlet mode is adopted for work, contact between the blank and the magnetic powder is avoided, the surface cleaning work of the blank is omitted, the machining efficiency is improved, and the process cost is saved.

The utility model discloses a natural gas decompression power generation and clean energy cascade heating fuel gas system which comprises a first heat exchanger, a fuel gas generator set, a vaporizer and a shallow geothermal energy system which are sequentially communicated through a loop pipeline. A buried pipe of the shallow geothermal energy system is buried underground, and the buried pipe and a second heat exchanger form a circulating pipeline so as to extract underground soil heat into the second heat exchanger; after being input into the first heat exchanger for heat exchange, the secondary high-pressure natural gas is output to the gas generator set for decompression power generation, the vaporizer can conduct primary heating and heat compensation on the decompressed natural gas, the second heat exchanger conducts heat exchange on the heated natural gas, and after heat exchange, the secondary high-pressure natural gas enters the first heat exchanger for secondary heat exchange and then is output. According to the technical scheme, gradient heating and reheating of the natural gas are achieved, energy waste during pressure reduction of the natural gas is avoided, and the system is safe, environmentally friendly, energy-saving, efficient and capable of meeting the heating requirement of the natural gas.

The invention relates to the technical field of industrial manufacturing, and discloses an efficient cooling and shaping system for core rod production and processing, comprising: a core rod cooling path design module for designing a multi-channel cooling path inside a core rod and an external spray cooling path; the temperature sensing and monitoring module is used for collecting temperature data inside and on the surface of the core rod in real time; the intelligent control module is used for dynamically generating cooling parameters based on the target temperature and the current temperature of the core rod; and the cooling execution and feedback module is used for adjusting the flow rate of the cooling liquid, the spraying pressure and the spraying direction according to the cooling parameters generated by the intelligent control module. By optimizing an internal cooling path and an external spray cooling design of the core rod, efficient and uniform cooling is realized so as to shorten the shaping time; the precise temperature control and partition cooling technology is combined, thermal stress and deformation are effectively reduced, and the machining precision is improved; and meanwhile, the operation cost is reduced through dynamic energy consumption optimization and cooling liquid circulation, and the green and energy-saving targets are achieved.

The present invention discloses a laser obstacle removal remote control system for remote obstacle removal of overhead lines, which relates to the field of laser obstacle removal technology, in order to solve the problem of inaccurate obstacle acquisition by laser obstacle removal equipment. The integration and optimization of steps such as image processing, dynamic adjustment and batch normalization of the present invention can significantly improve the processing efficiency of image data, so that the laser obstacle removal equipment can respond and identify obstacles more quickly, and the obstacle features in the optimized image data are trained and calculated with the obstacle model using a computer learning algorithm, which can greatly improve the system's adaptability and robustness. By continuously learning new obstacle features, the system can gradually improve its recognition performance, calculate the characteristics and operation mode of the obstacle through a particle filtering method, and adjust the direction of the laser beam in real time according to the calculation results, thereby ensuring accurate tracking of the obstacle position.

The invention relates to the technical field of building data center infrastructure management, and discloses an infrastructure management method and system based on a data center. The method comprises the steps of collecting data of a building cooling and lighting system through a sensor, performing edge equipment anomaly detection, performing hybrid model-based energy consumption prediction, performing system optimization and performing feedback monitoring. Compared with the technical problems in the prior art that dynamic optimization cannot be realized in a complex building environment, and especially energy efficiency cannot be ensured difficultly under the condition of large demand fluctuation or high load, the energy efficiency of the cooling and lighting system is improved through edge calculation and a multi-objective optimization algorithm, energy consumption waste is avoided, and the energy efficiency of the cooling and lighting system is improved. And the stability and the response capability of the system are obviously improved.

The invention relates to the technical field of animal repelling, in particular to a bird repelling method and device for a power transmission line. The bird repelling method comprises the steps of data image acquisition, data image processing, building of a bird recognition model, recognition of the visual recognition device and action of the pressing launching device. The bird repelling device comprises a power supply device, a bird detection device, a visual recognition device, a pressing launching device and a self-checking device. Solar energy can be used for supplying power, the types and positions of birds are accurately judged through the intelligent detection and recognition technology, effective repelling is achieved in an accurate repelling mode, meanwhile, remote monitoring and intelligent dispatching are supported, and the safety and stability of a power transmission line are improved.

The invention relates to the technical field of refrigerator refrigeration and defrosting, in particular to a refrigerator evaporator with a high-precision defrosting mechanism, which comprises an assembly frame body mounted on a refrigerator, and fins are fixedly mounted in the assembly frame body through a coil pipe. According to the refrigerator evaporator with the high-precision defrosting mechanism, a transverse flow guide pipe internally provided with a transverse flow fan is fixedly assembled in the assembly frame and located on one side of the fins, so that the air cooling uniformity of the evaporator is greatly improved, and the air cooling effect is improved; the air outlet is formed in the inner wall of the assembly frame and located on one side of the fins, the electric control type flow guide cover is installed in the air outlet, the refrigeration mode of the refrigerator can be changed according to needs, operability is improved, and application scenes are more diversified. The temperature sensor is installed on the electric control type flow guide cover, the electric heating film is installed on the inner wall of the air outlet of the transverse flow guide pipe, and the electric heating film is automatically started according to the temperature difference of different areas, so that air heating defrosting is accurately and directionally started, and energy waste caused by large-area defrosting is avoided.

This invention discloses a novel, low-load, high-efficiency thermoelectric decoupling heating system. The system is characterized by replacing the high-pressure bypass section with an extraction section. This extraction section extracts steam from the middle of the superheater and uses this steam to heat the secondary air or drive the induced draft fan. Compared to existing technologies, this invention, after heating the secondary air or driving the induced draft fan, returns the steam to the cold section, thus overcoming the problem of limited extraction capacity in conventional systems. It also allows for changes in the coal-to-water ratio within the boiler under low load conditions, increasing the outlet steam temperature of the superheater and reheater under low load conditions, and avoiding the widespread problem of underheating of main steam and hot reheat steam under low load conditions.

The present application relates to the technical field of power distribution control, and particularly relates to a power intelligent dynamic distribution method for a skid steer loader based on multi-working condition identification. The method comprises the following steps: performing skid steer loader multi-modal operation characteristic analysis on power states of skid steer loader multi-source operation data to generate skid steer loader multi-modal operation characteristic data; performing skid steer loader working condition characteristic analysis on the skid steer loader multi-modal operation characteristic data to generate skid steer loader working condition characteristic data; performing power demand characteristic analysis on working condition dynamic change trends based on skid steer loader real-time operation data and the skid steer loader working condition characteristic data to generate working condition dynamic change trend power demand characteristic data; and performing skid steer loader power distribution and dynamic optimization processing based on the working condition dynamic change trend power demand characteristic data to generate skid steer loader power distribution dynamic optimization data. The present application realizes efficient and energy-saving intelligent distribution of power under multi-working conditions of a skid steer loader.

According to the catalyst for preparing olefin from synthesis gas and the preparation method, by means of the pore channel structure of porous carbon, active metal cobalt and iron are loaded in pore channels of a porous carbon carrier in a layered mode, an auxiliary is loaded on the surface of the porous carbon carrier, and due to the fact that the catalytic activation temperature of cobalt is lower, the catalytic activity of the catalyst is improved; the synthesis gas conversion reaction can be firstly started at a relatively low temperature, so that energy waste caused by activation of iron at a high temperature is avoided; an iron-based catalyst is high in activity but serious in internal diffusion, iron in a porous carbon carrier pore channel is difficult to quickly contact a reactant and start a reaction, and after cobalt is activated firstly, heat is transferred through a reaction atmosphere in the pore channel to drive the iron in the pore channel to participate in the reaction. Therefore, the catalyst provided by the invention does not need to depend on the high-temperature activation condition of iron, and the activity temperature of the whole catalyst is lowered; meanwhile, a large amount of iron serves as a main active center, and synthesis gas can be efficiently converted.

The present application proposes a frequency modulation method and device for an energy storage system based on blockchain technology, and relates to the field of blockchain technology. The method includes: determining a target blockchain server from multiple candidate blockchain servers according to frequency modulation demand parameters; setting up a development environment based on the target blockchain server, and obtaining a target smart contract in the development environment; deploying the target smart contract in the blockchain network of the target blockchain server, and establishing a communication channel between the blockchain network and the energy storage system; obtaining a first frequency of the power network and a dispatching condition of the power network based on the communication channel, and performing frequency modulation logic processing on the first frequency and the dispatching condition according to the target smart contract, obtaining a modulated second frequency, and applying the second frequency to the energy storage system. The embodiment of the present application can improve the frequency modulation efficiency and safety of the energy storage system, and avoid energy waste and data security issues.

The present invention relates to the technical field of gas generator sets, and specifically to a container-type gas generator set, comprising: an air-cooled heat dissipation mechanism, wherein the air-cooled heat dissipation mechanism comprises a plurality of wind wheels for heat dissipation, wherein the central axes of the plurality of wind wheels are fixedly connected to a rotating shaft, and the outer wall fixed sleeve of the rotating shaft is provided with three concentrically arranged first gears. When the heat generated by a certain generator set increases, the heating condition of the generator set is monitored by a thermistor, and a signal is transmitted to a PLC controller, and since the thermistor is heated and its resistance decreases, the second gear is moved upward by an adaptive adjustment component, and the driving motor is controlled to stop running by the PLC controller, and the driving motor is pushed forward by an electric telescopic rod, thereby driving the second gear to move synchronously, so that the second gear is meshed with the first gear with a relatively small diameter, thereby increasing the rotation speed of the wind wheel.

The invention discloses a power distribution unit modular design control method and system of an intelligent power distribution cabinet, and belongs to the technical field of design control. Setting an environment sensing function area, an intelligent control function area and a power adjusting function area for a power distribution unit of the intelligent power distribution cabinet; the environment sensing function area obtains temperature data and humidity data; the intelligent control function area controls the operation of elements in the intelligent power distribution cabinet, and carries out the adjustment of the optimal temperature and humidity range. Calculating the power generated by the element during operation; calculating comprehensive current data and comprehensive voltage data of the element; calculating the comprehensive power and the operation influence degree of the element based on the comprehensive current data and the comprehensive voltage data; and presetting a threshold value, analyzing and outputting early warning to the intelligent control function area. Through dynamic adjustment and intelligent early warning, the energy utilization efficiency is optimized, the safety and reliability of the system are improved, meanwhile, good expansibility and adaptability are achieved, and the requirements of a modern intelligent power system can be met.

The utility model relates to the technical field of greenhouses, and provides a greenhouse environment mobile acquisition device which comprises an environment acquisition device. The track is arranged at the top of the greenhouse in the first direction, a plurality of collection point positions are arranged on the track at intervals, and each collection point position is provided with a position detection component; the transmission part is movably arranged on the track, is connected with the environment acquisition device and is used for driving the environment acquisition device to move on the track in the first direction and staying at each acquisition point position to complete environment information acquisition; the driving device is in transmission connection with the transmission part and used for driving the transmission part to move in the first direction; the controller is electrically connected with the driving device and used for controlling starting and stopping of the driving device; according to the utility model, greenhouse space utilization is optimized, dynamic coverage is realized with less equipment, data is closer to actual environment distribution, and greenhouses with different areas can be flexibly adapted.

The utility model discloses a kind of solar water heaters of efficient heating, including inclined strut frame, vacuum tube, water inlet pipe, water outlet pipe, U-shaped tube, encapsulation jar, circulating pump, patch temperature sensor and heat-insulated water tank;Encapsulation jar is equipped with multiple pipe interfaces along its length direction, one end of vacuum tube is inserted into pipe interface, other end is connected with the bottom of inclined strut frame, the outer wall of vacuum tube is coated with light-transmitting coating, inner wall is coated with titanium nitride coating, U-shaped tube is attached in the inner wall of vacuum tube, U-shaped tube has water inlet and water outlet.The utility model is attached with U-shaped tube in the inner wall of vacuum tube, cooperate with the light-transmitting coating of vacuum tube outer wall and the titanium nitride coating of inner wall, can enhance photo-thermal conversion efficiency, reduce heat loss, effectively improve the heating efficiency of water flow;Water outlet pipe is equipped with patch temperature sensor, and is electrically connected with circulating pump, can automatically start circulating pump when water temperature reaches set value, to deliver hot water to heat-insulated water tank, effectively improve the utilization efficiency of heat energy.

The invention belongs to the technical field of gasification devices, and particularly relates to a two-stage gasification device for graphite regeneration and a two-stage gasification process thereof.The two-stage gasification device comprises a first-stage gasification device, a conveying device and a second-stage gasification device, a furnace tube is rotatably arranged in a first gasification furnace, and a first heater is arranged on the periphery of the inner wall of the first gasification furnace; the second-section gasification equipment comprises a second gasification furnace, a heating cavity is formed in the second gasification furnace, a furnace door is arranged at the upper end of the second gasification furnace, and a second heater is arranged in the heating cavity; according to the invention, through the first gasification furnace, the first heater and the rotatable furnace tube, moisture in the graphite obtained through aeration separation is dried, and organic impurities are removed, so that the graphite is subjected to secondary gasification, and the graphite is discharged from the furnace tube and is conveyed into the heating cavity of the second gasification furnace through the conveying equipment. Transmission equipment is arranged for cooling the graphite subjected to primary gasification, and redundant metal impurities in the graphite are further removed through a second gasification furnace and a second heater, so that the purity and the performance of the graphite are improved.

The invention provides a defrosting control method and system for a variable-frequency air heat pump unit, and the method comprises the steps: building a standard suction pressure dynamic reference of the system under different environment temperatures and loads, calculating the attenuation value of the current actual suction pressure relative to the reference in real time, and precisely quantifying the system energy efficiency reduction degree caused by frosting; when the energy efficiency attenuation value exceeds the threshold value and the environment temperature meets the frosting condition, defrosting is triggered; according to the air source heat pump defrosting method, the defects that a traditional defrosting method based on time and temperature is high in misoperation rate and large in energy consumption are fundamentally overcome, the complexity of an energy efficiency evaluation method depending on waterway parameter calculation is also avoided, accurate control of high efficiency with frost and no frost mistake is achieved, and the operation energy efficiency, reliability and user experience of the air source heat pump are remarkably improved.

The utility model discloses wood shaving material drying equipment which comprises a drying barrel and a supporting frame, and the supporting frame is fixedly connected to the bottom of the drying barrel. A feed port is formed in the top of the drying barrel, and a discharge port is formed in the bottom of the drying barrel; at least two groups of microwave generator systems are arranged at the top of the drying barrel; each group of microwave generator system comprises a waveguide and a magnetron; a motor is arranged in the center of the end face of one side of the drying barrel, the two sides of the motor are each provided with a fixed connecting column, and the motor is fixedly connected to the outer surface of the drying barrel through the two fixed connecting columns; the driving output end of the motor is fixedly connected with a rotary reflecting plate device; and the rotary reflecting plate device comprises a turntable, a rotary connecting rod and a reflecting plate. According to the designed microwave generator system, microwaves penetrate through the interior of materials, water molecules in the materials vibrate and heat, and internal and external synchronous drying is achieved.

The invention discloses a large-scale outdoor speaker, which relates to the technical field of outdoor speakers and comprises an outdoor speaker and a sound grille. The sound grille is fixedly connected to the outdoor speaker. A rain shielding component is arranged on the outdoor speaker, and the rain shielding component comprises a fixing rod, which is fixedly connected to the top surface of the outdoor speaker. The sound grille is shielded away from one side of the outdoor speaker by a waterproof roll cloth, and a casing and the waterproof roll cloth form a closed cavity, which isolates the sound grille from an external rainstorm environment, and prevents the sound grille from becoming a channel for rainwater to penetrate into the outdoor speaker under the continuous impact and invasion of rainwater in the rainstorm environment, thereby ensuring the safety of key components such as speakers and circuits inside the outdoor speaker, and ensuring the normal operation of the outdoor speaker. At the same time, it can prevent the problem of rusting of metal components and aging of plastic components caused by rainwater contacting the sound grille and internal components of the outdoor speaker, thereby ensuring the service life of the outdoor speaker.

The application discloses a multifunctional air conditioner and a use method thereof, and belongs to the technical field of air conditioners. The multifunctional air conditioner comprises a first heat exchange mechanism, a first water tank, a first upper water pipe, a second heat exchange piece and a first circulating pump. The second heat exchange piece is arranged in the first water tank, the first heat exchange piece is located above the first water tank, the first circulating pump is installed on the first upper water pipe, and the first heat exchange piece is communicated with the first water tank through the first upper water pipe. The first heat exchange mechanism comprises a first heat exchange working medium pipeline, a compressor, a throttling element and a third heat exchange piece. The second heat exchange piece, the compressor, the throttling element and the third heat exchange piece are connected in series through the first heat exchange working medium pipeline. Heat exchange is formed between the second heat exchange piece and the first heat exchange piece, and heat exchange is formed between the second heat exchange piece and the third heat exchange piece. By opening or closing the compressor, the multifunctional air conditioner has a cold air mode and a refrigeration mode.

The utility model discloses a heat exchange system relates to according to center heat dissipation technical field, including refrigerant distribution subassembly and with refrigerant distribution subassembly intercommunication's multiple liquid cooling subassembly, and refrigerant distribution subassembly is used for to each liquid cooling subassembly delivery coolant, and liquid cooling subassembly is used for cooling heat source equipment, and refrigerant distribution subassembly includes liquid distribution pipe and collecting liquid pipe, and is provided with a plurality of exports on liquid distribution pipe, and every export is connected with the entrance of a liquid cooling subassembly, and is provided with a plurality of inlets on collecting liquid pipe, and every inlet is connected with the export of a liquid cooling subassembly, and multiple temperature control components are set up one to one with multiple liquid cooling subassembly, and temperature control component sets up between liquid cooling subassembly and the corresponding inlet on collecting liquid pipe, and temperature control component is used for controlling the on-off of the passage between liquid cooling subassembly and the corresponding inlet on collecting liquid pipe.

The application discloses a kind of textile fabric printing and dyeing wastewater dynamic multistage depth processing system, and the application relates to wastewater treatment technical field, including reaction tank and control module, the sidewall of the reaction tank is provided with aeration assembly, the aeration assembly includes several vice gas pipes arranged in the lower side of reaction tank interior, several aeration holes are formed in the vice gas pipe for gas supply to reaction tank interior, the upper side of the reaction tank is provided with partition assembly, the partition assembly includes partition plate, the partition plate is used to partition the water body in reaction tank, the partition plate can be moved and lifted in the reaction tank, and the directional transfer of water body on both sides of the partition is realized by water pump, so that the effective reaction zone volume of the reaction tank can be dynamically reconstructed according to the actual water inflow, the water body is concentrated and the aeration assembly in the waterless area is closed under small water condition, so as to improve the effective utilization rate of unit aeration gas, and has the advantages of dynamic adjustment of effective reaction process and overall treatment efficiency.

The invention discloses an urban water area sewage purification device, and belongs to the technical field of sewage treatment, the urban water area sewage purification device comprises a cylinder, the top of the cylinder is provided with an access cover, the side wall is connected with a water inlet pipe and a water outlet pipe, the water inlet is connected with a grating assembly, and the grating assembly is provided with a chemical agent supply mechanism; at least two submersible pumps are installed at the bottom in the barrel, the output ends of the submersible pumps are connected with pressure pipelines, and control valves and check valves are arranged on the pressure pipelines. An intelligent control cabinet is integrated on the top of the barrel and electrically connected with the liquid level sensor and the submersible pump. The grating assembly is arranged at the water inlet, large-particle impurities in sewage can be effectively intercepted, the impurities are prevented from entering the cylinder to block a pressure pipeline or abrade a submersible pump, the equipment fault occurrence rate is remarkably reduced, and the service life of the device is prolonged; meanwhile, the grid assembly and the chemical agent supply mechanism are arranged cooperatively, so that the agent can be fully mixed with the sewage subjected to preliminary filtration, the reaction efficiency of the agent is improved, and the subsequent purification effect is enhanced.

This invention discloses a dry film-forming multi-roll calender for high-precision film thickness control, comprising a pair of guide rails, N roller assemblies movably disposed between the pair of guide rails, a roller rotation drive device for driving the rollers of the roller assemblies to rotate, an online roller gap adjustment device for realizing online real-time adjustment of the roller gap between adjacent roller assemblies, and a roller assembly dynamic clamping and fixing device for realizing adaptive dynamic clamping and fixing of the roller assemblies according to the adjustment of the roller gap. Each roller assembly includes a pair of bearing seats movably disposed on the pair of guide rails and a roller rotatably disposed between the pair of bearing seats. The online roller gap adjustment device includes a wedge block vertically disposed between adjacent bearing seats, and a planar rolling bearing row is disposed between the bearing seats and the wedge block. The wedge block is driven up and down by a servo electric push rod. This invention achieves online high-precision and high-stability control of the thickness of electrode films and solid electrolyte films.

The utility model discloses an on-dam pressure stabilizing ore drawing device for damming. The device comprises a pressure stabilizing device (1) arranged on a tailing dam body, the pressure stabilizing device (1) is of a multi-section structure; wherein the section number of the pressure stabilizing device (1) is matched with the real-time height of a dam body; each section of the pressure stabilizing device (1) is a standard section (2); the standard section (2) comprises a main shaft (3), an ore pulp overflow pipe (4) and an overflow short pipe (5); the main shaft (3) is communicated with the ore pulp overflow pipe (4) through an overflow short pipe (5); an ore pulp inlet (301) and an ore pulp outlet (302) are formed in the main shaft (3); and an overflow outlet (401) is formed in the ore pulp overflow pipe (4). By the adoption of the scheme, it can be guaranteed that the tailing conveying pressure and the pressure needed by the hydrocyclone set are kept in dynamic balance all the time, that is, stable operation can be conducted all the time under the condition of no redundant pressure, and therefore the problem of tailing conveying energy consumption waste caused by redundant pressure in a traditional ore drawing mode is solved.

This invention provides an asymmetrical tilting duct, belonging to the field of aircraft technology, including a duct shell. The duct shell is a non-closed arc structure along the circumferential direction, and the duct shell has a non-closed opening section on its circumference. The cross-section of the opening section is an airfoil with inverted upper and lower arcs. By designing the duct shell as a non-closed arc structure and setting a non-closed opening section with an inverted airfoil cross-section on its circumference, this invention breaks the symmetrical distribution of circumferential air pressure in the duct, forming a circumferential pressure difference that cannot be completely offset. This allows the duct to generate additional radial lift along the vertical direction of the fuselage while providing axial thrust, effectively offsetting part of the wing load and improving the aircraft's payload ratio.

According to the voltage control method and device, the electronic equipment, the storage medium and the program product provided by the invention, by accurately testing the working states of the chip under multiple voltages, the relatively appropriate target voltage for working of the chip can be determined, and energy consumption waste caused by improper voltage setting is avoided. Afterwards, the appropriate voltage value is stored and is directly applied after the chip is assembled to the display module, so that the accuracy and timeliness of voltage regulation are ensured. The efficiency of voltage regulation is improved, potential damage to the chip and the display module due to voltage fluctuation or over-high setting is reduced, and the service life of equipment is prolonged. And further optimization of the power consumption of the display equipment is realized by accurately matching the voltage requirement of the chip.

A kind of photovoltaic power station field dust fall device, including photovoltaic module, fixed support, hydraulic machine, dust removal rod and atomizing spray head.Lifting of dust removal rod is controlled by hydraulic machine, and top spray head sprays mist to remove dust.Dust suction hole is arranged in dust removal rod, is connected with negative pressure main pipe by air suction branch pipe, realizes dust suction function;Liquid supply system is connected with main pipe by branch pipe and spray head.Limiting ring is arranged between modules, and dust removal rod is slidably connected by rail clamping on both sides, to ensure stable operation.Bottom air inlet is connected with spiral air pipe and air suction branch pipe, and liquid delivery pipe is connected with liquid supply branch pipe by spiral liquid pipe.Controller realizes intelligent control by remote communication.The device has the advantages of simple structure, flexible extension, avoiding obstruction, dust suction and atomization collaborative operation, improving dust fall efficiency and power generation stability, energy saving and high efficiency, strong applicability.

The utility model discloses a methanol recovery and waste water cyclic utilization device in MTBE production, and relates to the technical field of MTBE production, the methanol recovery and waste water cyclic utilization device comprises a distillation box, a box cover is detachably mounted on the top surface of the distillation box, a plurality of movable rods are slidably mounted in the box cover, the lower ends of the movable rods are connected with an annular heating plate, and the annular heating plate is connected with the distillation box. A lifting plate is connected to the upper ends of the multiple movable rods, a stirring assembly penetrating through an inner cavity of the distillation box is arranged on the top face of the lifting plate, a connecting column is fixedly installed at the upper end of the lifting plate, a lifting frame is fixedly installed at the upper end of the connecting column, and a driving assembly used for driving the lifting frame to ascend and descend is installed on one side of the box cover. According to the utility model, the lifting plate can be driven to lift through the driving assembly, so that the stirring assembly and the annular heating plate can change the acted water layer, and different water layers of wastewater in the distillation box are uniformly heated, thereby ensuring the methanol distillation effect.

The invention provides a low-resistance temperature coefficient precision resistance alloy and a preparation method thereof. The alloy comprises the following components: less than or equal to 0.04% of C, 1.30%-1.50% of Si, 0.30%-0.55% of Mn, less than or equal to 0.010% of S, less than or equal to 0.010% of P, 19.70%-20.50% of Cr, 3.40%-3.70% of Al, 0.60%-1.0% of Fe and the balance of Ni and inevitable impurities. The alloy has a low resistance temperature coefficient and is widely applied to the fields of aviation, aerospace and high-end instruments and meters. The manufacturing method comprises the steps that smelting is conducted in a vacuum induction furnace, a steel ingot is obtained through casting and vacuum consumable remelting, and then heating, forging and heat treatment are conducted on the steel ingot. In the smelting process, the alloy components are ensured to be accurate by controlling the pressure in the furnace, the oxygen and nitrogen content and the smelting time. And during forging, the temperature is slowly increased to 1050-1060 DEG C, heat preservation is conducted for 2-3 hours, and finally forging is conducted to the needed form. And finally, carrying out heat treatment to improve the mechanical property and the resistance temperature coefficient stability of the material. The manufacturing method can effectively improve the alloy performance, is suitable for production of precision resistor elements, and has a wide market prospect.