91results about How to "Reduce work energy consumption" patented technology

The invention provides a multi-scale underwater fish school detection system and detection method based on an attention module, relates to the technical field of underwater detection, and performs multi-scale fusion on sonar signals and image information. The depth of a fish school is determined through a sonar, a sound wave feature vector is generated, an unmanned underwater robot is used for collecting a low-illumination image, edge features are generated in a grey-scale image, color features are generated in an HSV color space, and the edge features and the color features are corrected. Weighted fusion is carried out on the sound wave features, the edge features and the color features through a feature alignment and attention module, and a comprehensive feature vector is generated. And finally, constructing a fish school detection model by using a deep learning network based on the deep feature vector, and realizing real-time detection of fish school categories and quantity. According to the method, multi-scale information and an attention mechanism are utilized, and the accuracy and reliability of fish school detection are improved.

The invention relates to the technical field of screw compressors, in particular to a skid-mounted argon recovery screw compressor which comprises a base, a screw compressor body is fixedly mounted at the top of the base and provided with a suction end and an exhaust end, and the skid-mounted argon recovery screw compressor further comprises an exhaust pipe fixedly communicated with the exhaust end; the supporting frame is fixedly connected to the side wall of the base, and the top of the supporting frame is fixedly connected with a circular pipe through two supporting seats; the heat exchanger is composed of circular shells at the two ends and a plurality of heat exchange pipes, and the circular shell, close to the exhaust end, of the heat exchanger is fixedly communicated with the exhaust pipe; the control system controls the heat dissipation strengthening mechanism to assist the blowing mechanism to take away heat on the surface of the heat exchange pipe according to the temperature value detected by the detection unit, and the argon cooling speed can be increased, so that the situation that subsequent equipment is damaged or aged due to temperature rise caused by compression is avoided.

The invention discloses a mixed alkali liquor carbon dioxide trapping agent and a trapping method thereof. The trapping agent comprises the following components in percentage by mass: 22-38% of main absorbent sodium carbonate, 1-10% of auxiliary absorbent A organic amine, 2-7% of auxiliary absorbent B sodium phosphate and / or disodium hydrogen phosphate and the balance of water. When the carbon dioxide is captured, the gas containing the carbon dioxide is in full contact with the mixed alkali liquid carbon dioxide capturing agent, the capturing agent absorbs the carbon dioxide to generate sodium bicarbonate precipitate, and the separated sodium bicarbonate solid is heated and desorbed at the temperature of 100-180 DEG C to obtain sodium carbonate, the carbon dioxide and water; and finally, returning the analyzed sodium carbonate to the mixed alkali liquor for recycling, and dehydrating, drying and purifying the mixed gas of carbon dioxide and water to obtain carbon dioxide. The trapping agent has the advantages of low cost, high carbon dioxide absorption capacity, high absorption rate, low regeneration energy consumption, safety and no toxicity; the sodium carbonate saturated solution is activated by using organic amine, so that the carbon dioxide absorption efficiency is improved; the separated sodium bicarbonate is heated and decomposed to obtain carbon dioxide, so that the working energy consumption is greatly reduced.

The utility model relates to the technical field of ultrapure water machines, and discloses a water temperature adjusting device of an ultrapure water machine, which comprises a shell, a normal-temperature water tank is mounted on the inner side of the shell, a water inlet pipe is mounted at the upper end of the normal-temperature water tank, and the water inlet pipe is communicated with an ultrapure water outlet of the ultrapure water machine; a heating unit and a cooling unit are installed below the normal-temperature water tank, and a distribution assembly is installed between the bottoms of the normal-temperature water tank. Through cooperative use of the heating unit, the cooling unit, the distribution assembly and the flow mixing assembly, heating and cooling of ultrapure water are achieved, precise mixing of high-temperature ultrapure water, low-temperature ultrapure water and normal-temperature ultrapure water is controlled, ultrapure water at the required temperature is obtained, the temperature adjusting precision is improved, the temperature and liquid level are monitored in real time, and the temperature adjusting precision is improved. The temperature of the ultrapure water is automatically controlled, the energy consumption required by temperature regulation is reduced, and the ultrapure water temperature regulation device has the effects of high temperature regulation precision and low working energy consumption.

The invention discloses a light following type photovoltaic power generation device. Comprising a photovoltaic rack, a first lifting plate, a second lifting plate, a first lifting mechanism and a pair of first lifting rods, wherein the first lifting plate and the second lifting plate are arranged on the photovoltaic rack in a lifting mode and are horizontally parallel; the first lifting mechanism drives the first lifting plate and the second lifting plate to alternately ascend and descend; the first lifting rods are arranged on the first lifting plate and the second lifting plate in a lifting mode and are vertically parallel; the pair of second lifting rods are arranged on the first lifting plate and the second lifting plate in a lifting mode respectively and are vertically parallel, the second lifting mechanism drives the first lifting rods and the second lifting rods to ascend and descend alternately, the one-to-one ends of the first universal joints are connected with the tops of the two first lifting rods in a sliding mode respectively, and the one-to-one ends of the second universal joints are connected with the tops of the two second lifting rods in a sliding mode respectively. The photovoltaic support plate is in sliding connection with the other ends of the two universal joints I and the other ends of the two universal joints II at the same time; and the photovoltaic panel groups are arranged in parallel and fixed on the photovoltaic support plate. The invention has the following advantages and effects: the manufacturing cost and the working energy consumption are low, and the use space is small.

The present invention relates to a micro air pressure regulating valve, comprising a housing and an air pump arranged in the housing; a sealed cavity is arranged in the housing, and the sealed cavity is provided with an air inlet and an air outlet; the air pump adopts a micro piezoelectric pump, and the air inlet of the air pump is connected to the air inlet of the sealed cavity, and the air outlet of the air pump is connected to the air outlet of the sealed cavity. The micro air pressure regulating valve is easy to use, small in size and weight, low in noise, excellent in air tightness and energy-saving due to the design of the sealed cavity and the micro piezoelectric pump.

The present invention discloses a floating wind turbine foundation assembly work platform and an operation method, comprising a foundation assembly tool that is movably arranged for assembling a foundation buoy and a foundation aisle; a buoy transport tool and a aisle transport tool that are respectively used for cyclically transporting a foundation buoy and a foundation aisle are alternately arranged along the moving direction of the foundation assembly tool; the foundation buoy and the foundation aisle are respectively hoisted onto the foundation assembly tool by a lifting device, and the wind turbine foundation is assembled by the foundation assembly tool; the present invention, by arranging a movable foundation assembly tool, can complete the assembly of the entire wind turbine foundation in steps from the moving starting point to the end point, realize the efficient transportation of the foundation buoy and the foundation aisle, cooperate with the low-altitude hoisting of the hoisting device and the intelligent assembly of the foundation assembly tool, jointly realize the efficient operation of the operation platform, and improve the assembly efficiency.

The invention relates to the technical field of hydraulic control, in particular to a control valve group, a hydraulic system, a reach stacker and a boom telescopic control method. Wherein the control valve group comprises a first reversing valve and a second reversing valve, and the first reversing valve and the second reversing valve are matched to enable the boom of the reach stacker to be switched in different states. When the boom is in a load extending state, the first reversing valve is located at a first working position, the second reversing valve is located at the first working position, and meanwhile, a third working oil port of the first reversing valve is communicated with a second oil inlet of the second reversing valve; and hydraulic oil in the rod cavity can flow through the second reversing valve to flow back to the third pipeline through the first reversing valve. Through cooperation of the first reversing valve and the second reversing valve, hydraulic oil in the rod cavity can flow through the second reversing valve to flow back to the third pipeline through the first reversing valve, when the boom stretches out in a loaded mode, the oil supply flow of the oil pump is reduced, pipeline pressure loss is reduced, and working energy consumption is reduced.

The invention discloses a drying device for a lithium battery material. The drying device structurally comprises a drying box, a servo motor is fixedly installed on one side of the drying box, a turning rod is installed at the output end of the servo motor, an air heater is fixedly installed on one side of the drying box, a speed reduction assembly is arranged at the upper end of the drying box, and a circulation assembly is arranged on one side of the drying box. According to the lithium battery material drying device, a lithium battery material in the drying box can be turned over through a turning rod, so that the lithium battery material can be dried, dust impurities doped in hot air flow can be filtered again through a second filter screen in the treatment box, and then the treated hot air flow is discharged into an air heater; and therefore, the working energy consumption of an air heater is reduced, the effect of circulating hot air flow is achieved, the drying efficiency of the lithium battery material is improved, the flow speed of the hot air flow can be reduced, the hot air flow is slowly discharged into the treatment box, and the filtering efficiency of a second filter screen on the hot air flow is guaranteed.

The invention discloses an agricultural weed removal device equipped with a metal blade head, and relates to the technical field of agricultural metal tools. An agricultural weed removal device equipped with a metal blade head comprises a storage mechanism, the storage mechanism comprises a storage box, and the two side surfaces of the storage box are respectively fixedly connected with ear plates, an external frame mechanism is arranged above the storage mechanism, the external frame mechanism comprises a platform, and the two sides of the lower surface of the platform are respectively fixedly connected with electric telescopic columns, and the output ends of the electric telescopic columns are correspondingly fixedly connected with the ear plates, and a main body component for cleaning weeds is arranged on one side of the storage box, and the main body component comprises a rotating mechanism, and the rotating mechanism comprises a rotating table, and filter slots are evenly and evenly arranged on the rotating table, and each filter slot is close to the port of the storage box on both sides. A symmetrical second mesh plate is movably installed through a spring shaft, and an agricultural weed removal device equipped with a metal blade head ensures that the weeds picked up by the blade head component are transported to the storage box.

The invention relates to the field of household appliances, and discloses a purified drinking water temperature adjusting system and a temperature adjusting method.The purified drinking water temperature adjusting system comprises a water purifier provided with a raw water inlet, a purified water outlet and a concentrated water outlet; the heat exchanger is internally provided with a pure water heat exchange area, a concentrated water heat exchange area, a cold water heat exchange area and a boiling water heat exchange area which are mutually separated, the pure water outlet is connected to the pure water heat exchange area through a pipeline, and the concentrated water outlet is connected to the concentrated water heat exchange area through a pipeline; the ice container is provided with a first pure water inlet, a second pure water inlet, a first cold water outlet and a second cold water outlet, the first cold water outlet and the first pure water inlet are connected to the cold water heat exchange area through pipelines, and the second pure water inlet is connected to the boiling water heat exchange area through a pipeline; the heater is provided with a third pure water inlet and a boiling water outlet, the third pure water inlet is connected to the pure water heat exchange area through a pipeline, and the boiling water outlet is connected to the boiling water heat exchange area through a pipeline.

The embodiment of the utility model discloses an air suspension and a vehicle, the air suspension comprises a supercharging device and a lifting device, the supercharging device is used for providing high-pressure gas to the lifting device to drive the lifting device to ascend and descend, and the lifting device is used for controlling the distance between a vehicle body and the ground; the supercharging device comprises a turbocharger and a compressor, the turbocharger comprises a turbine, a tail gas inlet, a first gas taking port and a first exhaust port, the tail gas inlet is used for being communicated with the exhaust end of an engine to receive tail gas of the engine, and the turbine is configured to rotate under driving of the tail gas; the first gas taking port is communicated with the outside atmosphere so as to suck air from the outside atmosphere, the turbine is used for pressurizing the air to form pressurized gas, and the first exhaust port is used for exhausting the pressurized gas; the compressor is provided with a switching port, a second air taking port and a second exhaust port, the switching port communicates with the first exhaust port, the second air taking port communicates with the outside atmosphere, the second exhaust port is used for communicating with the lifting device, and the vehicle energy consumption can be reduced.

The utility model discloses an on-line monitoring system for a railway signal resistance-capacitance element, which adopts an open-type Hall direct-current transformer to collect the discharge current of the resistance-capacitance element, and adopts a capacitance diagnosis circuit capable of detecting the capacitance value within the range of 50 mu F to 3300 mu F. The detection and diagnosis unit achieves the function of detecting and diagnosing the capacitance capacity attenuation proportion in a single resistor-capacitor combination circuit, the combination frame extension sets are connected with all detection and diagnosis results of a row of railway signal combination frames in tandem, the station switchboard is connected with diagnosis states of the combination frame extension sets in tandem, and the safety signal relay is driven. Relay switching values are incorporated into existing station monitoring equipment, and networking and alarm functions of centralized monitoring of detection and diagnosis results through signals are achieved.

The present invention provides a centrifuge rotor, which relates to the field of rotor technology. The centrifuge rotor comprises a rotor body, a first mounting slot is provided at the top of the rotor body, a second mounting slot is provided at the center of the bottom of the first mounting slot, a mounting hole is provided at one side of the bottom of the second mounting slot, a sealing ring is slidably connected to the outer periphery of the bottom of the first mounting slot, and a rotor cover is slidably connected to the top wall of the sealing ring. The load of the overall motor and circuit board is reduced by low density, the service life of the motor and circuit board is extended, and energy is saved. In addition, it has good high strength, high wear resistance, and high chemical resistance. High wear resistance and aging resistance extend the service life of the rotor. High chemical resistance is conducive to the rotor being suitable for complex and changeable laboratory environments. High chemical resistance is not easy to cause the rotor to rust, reducing the probability of explosion. At the same time, by adopting high-toughness materials, the actual angle is larger than that of traditional aluminum alloy rotors, and the actual centrifugal effect is better.

This invention provides a highly efficient and energy-saving adhesive removal device and method, belonging to the field of roller adhesive removal technology. It includes a shell, a cabinet door, a first turntable, a limiting plate, a second turntable, an electric push rod, an outer washing brush wheel, an inner washing brush wheel, a drive mechanism, and an adjustment mechanism. The shell has a cleaning chamber and an installation chamber inside. The cabinet door is hinged to the outside of the cleaning chamber. The first turntable is rotatably connected to the lower inner wall of the cleaning chamber, and its top has several lower positioning grooves. The limiting plate is fixedly connected to the inner wall of the cleaning chamber. The second turntable is located below the limiting plate, and its bottom has several upper positioning grooves. Several electroplating rollers are detachably connected between the lower and upper positioning grooves. It can adapt to electroplating rollers of different lengths and widths. Compared to traditional single cleaning methods, it can clean multiple electroplating rollers simultaneously, automating the operation, greatly improving work efficiency, reducing operating costs and energy consumption, and expanding its application range.

The utility model discloses a corrugated carton recycling device which aims at solving the problem that in the prior art, when corrugated cartons are recycled, the removal efficiency of metal carton sealing nails still needs to be improved. A feeding port is formed in the upper portion of the first-stage smashing bin, a clamping device and the first-stage smashing device are sequentially arranged in the middle of the first-stage smashing bin from top to bottom, the bottom of the first-stage smashing bin is located above the first-stage conveying belt, and the right side of the first-stage smashing bin is communicated with the second-stage smashing bin. A pressing device, a second-stage crushing device, a second-stage conveying belt and a third-stage conveying belt are arranged in the second-stage crushing bin, a pulping device is arranged at an outlet of the second-stage conveying belt, the pressing device is fixed in the second-stage crushing bin through a guide rail, and the pressing device and the second-stage crushing device are both connected with the tail end of the first-stage conveying belt; the second-stage conveying belt and the third-stage conveying belt are both located on the discharging side of the second-stage smashing device, and the third-stage conveying belt is higher than the second- According to the technology, manpower for manually removing the metal nails is reduced.

The present invention discloses a paint mist capture and treatment device, which includes a box, a fan, a paint spraying room, a water vortex treatment room, a drying adsorption room, and a water reservoir; the paint spraying room, the water vortex treatment room, the drying adsorption room, and the water reservoir are all arranged in the box, wherein the paint spraying room, the water vortex treatment room, and the drying adsorption room are arranged in sequence from left to right in the box, and the water reservoir is arranged in the lower part of the box and below both the water vortex treatment room and the drying adsorption room; the fan is arranged outside the box, and is located at the air flow outlet of the drying adsorption room. The present invention comprehensively considers the layout characteristics of the paint mist treatment space flow field through a combination of a vortex groove structure, a water vortex barrel design, and a water curtain plate design, optimizes the design of the space flow field based on the gas-liquid multiphase fluid flow dynamics theory, and can efficiently capture and treat the paint mist.

The invention discloses an energy-saving vibration mill device and method for silica powder production, relates to the technical field of silica powder production, and provides the following scheme that the energy-saving vibration mill device comprises a foundation frame; the grinding container is fixedly connected with the foundation frame through a spring; the vibration exciter is fixed on the grinding container and used for providing vibration force for the grinding container, and the vibration exciter comprises a vibration excitation motor fixed on the grinding container; the connecting seat is fixedly connected with the output part of the excitation motor; the first eccentric wheel is fixed on the connecting seat; the second eccentric wheel is rotationally connected with the connecting seat; the adjusting cylinder is in sliding connection with the connecting base and used for adjusting the overlap ratio of the second eccentric wheel and the first eccentric wheel in a sliding mode and controlling the vibration strength; the overlap ratio of the second eccentric wheel and the first eccentric wheel is adjusted in a sliding mode through the adjusting cylinder, the vibration strength is controlled, it is guaranteed that higher vibration strength is provided under the same output power, and energy saving and environment protection are achieved.

The utility model discloses a high-oxygen liquid generator for a high-oxygen liquid cup, which relates to the technical field of high-oxygen liquid preparation and comprises a base shell, an inner shell mounted on the inner side of the base shell, a bottom plate mounted at the bottom end of the base shell, a sealing ring mounted on the outer side of the bottom plate and abutted against the inner side of the base shell, and an anti-slip pad mounted at the bottom of the bottom plate. A cathode water tank is mounted at the top of the bottom plate, a sealing plug movably penetrates through the bottom wall of the cathode water tank, a storage battery is mounted at the top of the cathode water tank, an ozone generator is mounted on the inner side of the inner shell, and an ozone generator anode water tank is mounted at the top of the ozone generator. The high-oxygen liquid generator disclosed by the utility model can be conveniently detached by a user; the disassembled high-oxygen liquid generator and the integrated base can be independently used; in addition, the overall structural design of the high-oxygen liquid generator is reasonable, heat dissipation of the high-oxygen liquid generator body is facilitated, and work energy consumption is reduced.

The present invention provides a multi-scale underwater fish detection system and method based on an attention module, which relates to the field of underwater detection technology. The present invention performs multi-scale fusion of sonar signals and image information. The depth of the fish school is determined by sonar and an acoustic wave feature vector is generated. An unmanned underwater robot is used to collect low-light images, edge features are generated in a grayscale image, color features are generated in an HSV color space, and the edge features and color features are corrected. The acoustic wave features, edge features, and color features are weightedly fused through feature alignment and attention modules to generate a comprehensive feature vector. Finally, a fish detection model is constructed based on the deep feature vector using a deep learning network to achieve real-time detection of the category and quantity of fish schools. This method utilizes multi-scale information and an attention mechanism to improve the accuracy and reliability of fish school detection.

The invention provides dry conveying equipment for pulverized coal with water, which comprises a main case, and a heat exchange cavity, an exhaust cavity, a feeding cavity, a first-stage drying cavity and a second-stage drying cavity are sequentially arranged in the main case from top to bottom; a hot gas extraction fan; a heat exchanger; a feeding conveying belt; the water pressing assembly comprises a rectangular frame, a side pressing plate, a middle pressing plate and a crushing part; a first electric heating plate; the material scraping assembly is vertically arranged, the material scraping assembly is symmetrically installed on the surface of the first electric heating plate in a sliding mode, and the working modes of the material scraping assembly comprise a dispersing mode and a material gathering mode; the spiral conveyor is installed in the second-stage drying cavity and used for outputting dried pulverized coal, and a second electric heating plate is installed on the inner bottom face of the second-stage drying cavity; screening an output box; a three-stage heating and drying structure of the first-stage drying cavity, the second-stage drying cavity and the screening output box is designed, water in pulverized coal can be fully dried, and dry pulverized coal can be output for use.

The application discloses a heat pump system, which comprises a control device, a first heat exchanger, a second heat exchanger, a regenerator, a gas-liquid separator, a compressor, a cold supply mechanism, a heat supply mechanism, a heat exchange mechanism, a first switch valve, a second switch valve, a third switch valve and a fourth switch valve. One end of the compressor is connected with an input end of the first heat exchanger and the heat exchange mechanism through the first switch valve and the second switch valve respectively. The other end of the first heat exchanger is connected with an input end of the regenerator. An output end of the regenerator is connected with an input end of the second heat exchanger and the heat exchange mechanism through the third switch valve and the fourth switch valve respectively. An output end of the heat exchange mechanism is connected with an input end of the compressor through the gas-liquid separator and the regenerator. The heat supply mechanism is connected with the first heat exchanger, and the cold supply mechanism is connected with the second heat exchanger. The heat pump system has the advantages that heat can be supplied to the cold supply mechanism while heat is supplied to the heat supply mechanism, and the system has high flexibility.

The utility model relates to the technical field of oil cylinders, in particular to a rotary oil cylinder device for a casting and rolling machine, which comprises a connecting flange device and a collapsible oil cylinder, the connecting flange device comprises an outer cylinder and an inner cylinder which are sequentially arranged from outside to inside, a collapsible reel of the casting and rolling machine is arranged in the inner cylinder in a penetrating manner, and a bidirectional thrust ball bearing is arranged between the collapsible reel and the inner cylinder. The bidirectional thrust ball bearing is arranged on the collapsible reel in a sleeving manner; the collapsible oil cylinder comprises a piston rod, the piston rod extends into the outer cylinder and is fixedly connected with the inner cylinder through a connecting sleeve, a gap is formed between the piston rod and the collapsible reel, and the piston rod drives the connecting sleeve, the inner cylinder and the collapsible reel to move in the outer cylinder. Through the design of the two-way thrust ball bearing, the connecting sleeve and the connecting flange device, the requirement that the collapsible reel only rotates in the connecting flange device and cannot drive the collapsible oil cylinder to rotate is met, the problem that in the prior art, the pressure relief risk is caused by the adoption of a rotating connector can be completely eradicated, and the safety performance in the production process is improved.

The utility model discloses an air separation system non-condensable gas cooling capacity recycling device which comprises a first non-condensable gas conveying pipeline connected with a pure argon condensing evaporator and a second non-condensable gas conveying pipeline connected with a main cooling evaporator, the pure argon condensing evaporator outputs non-condensable gas of the pure argon condensing evaporator, and the main cooling evaporator outputs main cooling non-condensable gas. A first valve is arranged on the first non-condensable gas conveying pipeline, a second valve is arranged on the second non-condensable gas conveying pipeline, and the first non-condensable gas conveying pipeline and the second non-condensable gas conveying pipeline are jointly connected with a conveying pipeline. The cooling capacity recovery device is simple in structure, the safety and cooling capacity recovery effects are achieved at the same time, the pressure during the cooling capacity recovery period is monitored, non-condensable gas is evenly distributed in the cooling tower of the circulating water pool for sufficient heat exchange, the circulating water temperature is reduced, the reduced circulating water is cooled through the three compressor units, and the cooling efficiency is improved. The isothermal compression efficiency of the unit is improved, the working energy consumption of the refrigerating unit is reduced, and the energy-saving effect is achieved.

The application relates to the field of elevator door plate processing and discloses an elevator door plate processing device and method, which comprises a bending table and a hydraulic machine, support legs are welded at the lower ends of the bending table, a feeding groove is arranged in the middle of the upper surface of the bending table, a bottom groove which is communicated with the feeding groove is arranged in the middle of the lower surface of the bending table, support plates are arranged at the front and back sides in the bottom groove, bending grooves are arranged in the upper surfaces of the two support plates, a storage structure is arranged at the left end of the upper surface of the bending table, a material collecting structure is arranged below the bottom groove of the bending table, a U-shaped frame is fastened to the upper middle position of the bending table through bolts, after the elevator door plate is placed on the support plates, the hydraulic machine is started to drive the bending plate to move downwards, the two ends of the elevator door plate can be bent at the same time, the working efficiency is improved, the manufacturing cost of the device is reduced, and the working energy consumption is reduced.

The utility model discloses an electrolyzed water polar plate with a petal-shaped array flow field, and belongs to the technical field of hydrogen production by electrolyzed water. The electrolytic water polar plate mainly comprises an outer ring frame and a polar plate, the outer ring frame is provided with a plurality of gas-liquid outlets, a plurality of electrolyte inlets, sunken steps corresponding to a diaphragm material and an electrode material, and a sealing waterline playing a sealing role; and petal-shaped array flow fields are arranged on the two side surfaces of the water electrolysis polar plate. A plurality of petal-shaped protrusions which are ingeniously designed are arranged in a staggered annular array mode to form a gas-liquid flow channel. The gas-liquid mixed flow velocity in the flow field space can be effectively improved by adjusting the appropriate bulge specification and the annular array spacing, and the adhesion of hydrogen and oxygen bubbles on the polar plate is reduced, so that the ohmic potential drop and the working energy consumption of the electrolytic bath in the electrolysis process are reduced, and efficient and green hydrogen production is realized.

The invention relates to the technical field of energy recovery, in particular to an efficient hot steam recycling method, and provides the following scheme aiming at the problems of low hot steam utilization rate, high hot steam energy loss, high production cost, poor steam circulation stability, low textile production economic benefit, low operation efficiency and the like in the prior art. Comprising the following steps that S1, waste heat recycling is conducted on the heat setting machine, and a waste heat recycling device is divided into two parts; the invention aims to reduce the energy consumption in the traditional textile production, improve the energy utilization efficiency and reduce the production cost by recovering and reusing the hot steam. Compared with the prior art, emission of hot steam and pollution to the environment are reduced, the emission amount of greenhouse gas is reduced, through optimization design and control means, the stability and operation efficiency of a steam circulation system are improved, and the production capacity and benefits of textile production are improved.

The invention discloses an automatic assembly line for axial flow fans, and relates to the technical field of axial flow fan assembly. An automatic assembly line for axial flow fans, an automatic assembly line for axial flow fans, comprising a front-end component and a processing mechanism for conveying fan rotors, the processing mechanism comprising a processing component for assembling axial flow fans, the processing component comprising a processing box, the rear side of the processing box is fixedly docked with an outlet bin, a dispatching mechanism for handing over fan rotors is arranged between the front-end component and the processing component, the front-end component is composed of a transport mechanism, a sinking mechanism and an entrance mechanism, the transport mechanism comprises a conveyor belt, the lower fixed frame of the conveyor belt is provided with a first bottom frame, the transport mechanism also comprises a dust collection component cooperating with the entrance mechanism, the transport mechanism also comprises a control component cooperating with the sinking mechanism, the control component comprises a first gear, an automatic assembly line for axial flow fans, avoiding extrusion and collision, and improving transportation safety.

The fan assembly is used for generating negative pressure in the sweeper and comprises a fan and a fan connecting piece connected with the fan, the fan connecting piece is connected with the sweeper, an air guide opening is formed in the fan connecting piece, and the fan connecting piece is connected with the sweeper through the air guide opening. The draught fan further comprises a draught fan box connected with the draught fan connecting piece, an air inlet is formed in the draught fan box, an air circulation channel is formed between the air inlet and the air guide opening, the draught fan is sleeved with a noise reduction assembly, and air outlet holes are formed in the noise reduction assembly. The noise reduction sleeve is arranged outside the draught fan in a sleeving mode so that noise generated when the draught fan works can be reduced, the air outlet holes are formed in the noise reduction sleeve so that air can be discharged conveniently when the draught fan works, meanwhile, the air outlet holes extend outwards and have a certain height, the noise generated by the draught fan can be further reduced while air is discharged, and the noise reduction effect is better. Meanwhile, the height difference exists between the air guide opening and the air inlet, dust is prevented from directly penetrating through the air inlet through the air guide opening and entering the fan, and the use performance of the fan is improved.

The utility model discloses a PVC decorative plate processing device, including a plurality of parallel arrangement's cooling roller, a plurality of cooling roller all include roller and roll axle, the inside of roller and roll axle is equipped with the through -hole of the flow of cooling water, the both sides of cooling roller are provided with water storage tank and water collecting tank respectively, water storage tank is located cooling roller top, water collecting tank is located cooling roller below, water storage tank bottom is provided with a plurality of even distribution's water inlet, install upper connecting pipe in water inlet and through -hole, the utility model discloses through make cooling water circulate flow between water storage tank, cooling roller, water collecting tank and water chilling unit, since cooling water flows through from cooling roller inside, and the heat loss is smaller, that is, the cooling water temperature that refluxes to water chilling unit is lower than the tap water temperature that directly injects water chilling unit, therefore adopts the mode of circulation flow not only saves water resources, and also reduced the work energy consumption of water chilling unit, saves energy source.