322results about How to "Automatic temperature control" patented technology

The invention provides a cloud chamber capable of measuring ice crystals formed by atmospheric ice nuclei through a sublimation nucleation or condensation / freezing nucleation effect under conditions of different temperature, different humidity and different pressure. The invention provides a cloud chamber for atmospheric ice nucleus activation counting and a cloud chamber system. The cloud chamber comprises an upper cloud chamber, a lower cloud chamber and a vapor chamber. The vapor chamber is communicated with a vapor valve and the upper cloud chamber. The upper cloud chamber is additionally connected with an air extracting pump and an air inlet valve. The top of the upper cloud chamber is sealing transparent quartz glass. A video camera is installed above the upper cloud chamber. An illuminating lamp is additionally arranged between the video camera and the top of the upper cloud chamber. A pressure measuring hole is additionally reserved on the upper cloud chamber. A first pressure measuring instrument is arranged at the position of the pressure measuring hole. A first temperature control strip, a first temperature sensor and a sampling strip are arranged in the lower cloud chamber. The upper cloud chamber and the lower cloud chamber are of the shape of relatively arranged enclosures. When the upper cloud chamber and the lower cloud chamber are fastened, a sealed cloud chamber cavity is formed. The vapor chamber is a cylindrical transparent chamber. A second temperature control strip and a second temperature sensor are arranged at the bottom of the vapor chamber.

The invention discloses an intelligent control system for an LED plant growth lamp. The intelligent control system comprises a microprocessor module, a red light brightness sensor, a blue light brightness sensor, a red light driving module, a blue light driving module, a wireless communication module, a man-machine interaction module, a memory module, a temperature sensor, a humidity sensor, a CO2 sensor, an SO2 sensor, a heater, a water irrigating system and a ventilation system. Light compensating operation is quantitatively and accurately carried out on a plant according to the different light irradiation requirements of the plant in different growth periods, invalid irradiation is avoided, the light utilizing rate is improved, and the cost is reduced. The temperature, humidity, CO2 and SO2 concentration in the growth environment of the plant can be automatically controlled, and a proper growth environment is provided for the plant. A mobile terminal can also be utilized in the intelligent control system for intelligent remote control, the operation is simple, and the application range is wide.

The invention discloses an automatic heating system of a lithium-ion power battery for an electric vehicle, comprising a battery pack module, a charger, a PTC module, a BMS (battery management system) module and a fan module, wherein the charger is connected with the battery pack module; the BMS module is respectively connected with the charger, the battery pack module, the PTC module and the fan module; the battery pack module is internally provided with a temperature sensor; and a temperature detection circuit in the BMS module is connected with the temperature sensor in the battery pack module. The system is used for solving the problems that the temperature is not regulated and controlled automatically, the even heating for the whole battery is difficult to realize and the use is fussy when an existing heating system heats a lithium-ion power battery.

The invention provides a loop heat pipe solar water heater system which comprises a solar water heater and a heat utilizing device. The circulating pipe of the solar water heater comprises an auxiliary electric heater. According to the loop heat pipe solar energy utilization system, the absorbing ability of solar energy is improved, and energy is saved.

The invention provides a loop circuit heat tube type solar energy system which comprises a solar water heater and a heat utilization device. The loop circuit heat tube type solar energy system comprises an auxiliary heating device and further comprises an auxiliary electric heater, wherein the auxiliary heating device is in parallel connection with pipelines of a solar water heater system, the electric heater is automatically started according to the temperature of water fed into the electric heater and heats hot water. The energy-saving loop circuit heat tube type solar water heater improves the solar heat utilization capacity.

The invention discloses a bioenergy barbecue oven. The oven comprises an oven body and a hopper which is arranged on one side of the oven body, wherein the oven body and a lumen of the hopper are communicated; a material loading motor is arranged in the lumen of the hopper, an output shaft of the material loading motor is connected with one end of a material loading auger, and the other end of the material loading auger extends into the lumen of the oven body; a fire rod is arranged below the lumen of the oven body which is positioned at the other end of the material loading auger, both the other end of the material loading auger and the fire rod extend into a combustion box which is fixed in the lumen of the oven body, a barbecue dish which is positioned above the combustion box is arranged in the lumen of the oven body, a fan is arranged at the bottom of the barbecue dish, a temperature sensor and a computer control board are arranged in the oven body, and all electrical components of the barbecue oven are controlled by programs of the computer control board to orderly work. The bioenergy barbecue oven disclosed by the invention has the advantages that the structure is simple, the operation is convenient, the supplied energy resources are clean and inexpensive, and the environmental hazards can be reduced.

The invention discloses ultralow-emission MGGH energy conservation and environmental protection equipment for a thermal power plant. The equipment is connected with a steam pumping and heat recycling system of a steam turbine through open circulation, automatically balances smoke residual heat recycled with heat required for heating boiler inlet air, avoids smoke dew condensation, prevents smoke low-temperature corrosion, ensues that the influence of ambient temperature variation and unit load variation on the temperature of boiler exhaust smoke can be couteracted under various work conditions, and realizes automatic control on the temperature of electrostatic precipitating inlet smoke and the temperature of the boiler inlet air. The equipment can automatically balance the smoke residual heat recycling power of a low-temperature coal economizer and the boiler inlet air heating power of an air heater, and under various work conditions, can automatically control the temperature of an electrostatic precipitating smoke inlet, automatically control the air outlet temperature of the air heater and automatically control the emission temperature of a chimney. The equipment meets environmental protection requirements for smoke emission, and meanwhile, has social benefit and economical benefit of conserving coal, conserving water and reducing smoke emissions.

The invention discloses an automatic wheel hub cleaning device. The automatic wheel hub cleaning device comprises a trough body, a conveying device, a sensor, and a controller, wherein the trough body stores a cleaning solution used for cleaning a wheel hub; the conveying device is arranged above the trough body and used for supporting and conveying the wheel hub; the sensor is used for detecting whether the wheel hub is in place; the controller is used for the automatic switching between vertical ascending / descending and horizontal conveying of the conveying device relative to the trough body according to signals of the sensor, so that the wheel hub can enter or exit from the trough body, and horizontally move on the conveying device. The invention has the advantages that the conveying device, the sensor and the controller are arranged, the positioning function of the sensor and the control function of the controller are combined, and the conveying device achieves the switching between horizontal conveying and vertical ascending / descending through the controller, so that the wheel hub can automatically enter or exit from the trough body.

The invention relates to a bag-cultivation industrial culture process for golden mushrooms in China, and an optimization, regulation and control technology is adopted for the environment temperature, the environment humidity and the air concentration which are required for the growth and the development of the golden mushrooms. On the basis of the prior golden mushroom industrial culture conditions, and by changing the cold air flow direction and the air speed of an air cooler, the cold air cannot directly blow to a fungus pack on the top bed; three axial fans are additionally arranged indoors to form an indoor air internal circulation system; the facilities are optimized, regulated and controlled, a circular ventilation opening is arranged on the wall facing to the center at the rear part of the air cooler, and an air throttle for controlling the opening and the closing is installed at the outer side; microcomputer time controllers are installed for a fan and a ventilation fan, the start-stop time is set according to the parametric variation rules in different stages of growth and development of the golden mushrooms, and the operating time of the internal circulation system is controlled.

The invention discloses an intelligent control system of an industrial furnace. The intelligent control system comprises a cement furnace body, and a decomposition furnace online smoke analyzer, a rotary kiln smoke chamber online smoke analyzer, a high-temperature fan, a tertiary air valve, a raw material detecting analyzer, a coal quality detecting analyzer, a kiln head coal scale and a kiln tail coal scale connected with the body; the intelligent control system of the industrial furnace is characterized by being connected with the cement furnace body, transmits control and sampling signals of a traditional cement furnace control system in a communication manner, and sends the control and sampling signals to the traditional cement furnace control system; and the traditional cement furnace control system sends signals needed by the intelligent control system of the industrial furnace to the intelligent control system of the industrial furnace.

The invention discloses a drink dispenser with an image recognition system. The drink dispenser also comprises an image recognition unit, a control unit and a flushing unit, wherein the flushing unit is electrically connected with the control unit, flushing data corresponding to image information is recognized according to the image information, and the data is input to the control unit; the flushing unit is controlled by the control unit according to input data to flush relative drinks. With the drink dispenser, different people input different personal image information to set respective different hobbies, and relative operation is directly accomplished according to personal image information when the drink dispenser is used next time. Drink varieties can also be judged by different patterns on capsules, so that temperatures and other conditions which are required by the capsules are automatically controlled to finish flushing.

The invention provides a solar water heater system. The solar water heater system comprises a solar water heater and a heat utilization device, wherein the solar water heater comprises a heat collector, the heat collector is used for absorbing heat of solar energy so as to heat water in the solar water heater, the heat collector is a heat collection metal pipe, the heat collection metal pipe comprises a metal base pipe, and an anti-corrosion layer and a heat absorbing layer sequentially cover the outer surface of the metal base pipe. The invention provides a heat absorption coating with a high absorption rate, and therefore the capacity for absorbing heat of solar energy is improved.

The invention relates to a cavity mounted on an indoor wall and provided with convection and radiation functions. The cavity comprises a cavity body, a direct-current brushless fan-coil unit and control air valves; the cavity body is mounted on the wall, windows and micropores are arranged on the cavity body, the windows are used for mounting the control air valves, and the micropores are distributed uniformly; the direct-current brushless fan-coil unit is mounted in the cavity body; and the control air valves are mounted at the windows on the cavity body. The cavity has the advantages that an indoor unit of a common air conditioner can be replaced by the cavity, the direct-current brushless fan-coil unit is arranged in the cavity body, and the control air valves are arranged on the cavity body, so that quick forced-convection heat transfer for temperature adjustment can be quickly implemented within short startup time; the micropores are uniformly distributed on the cavity body, so that the indoor temperature can be finely adjusted in a radiation manner; and the indoor temperature can be quickly increased or reduced by means of controlling starting of the direct-current brushless fan-coil unit, and can also be finely adjusted in the radiation manner, so that people are prevented from feeling uncomfortable due to a long-term forced-convection heat transfer mode.

The invention provides a loop heat pipe-type solar water heater system which comprises a thermal utilization device, wherein the thermal utilization device is hot water output equipment for providing a user with hot water and comprises a heat exchanger; the heat exchanger is connected with tap water; hot water from a solar water heater enters the heat exchanger to exchange heat with the tap water. The solar water heater provided by the invention is energy-saving, and higher in solar heat utilization capability.

The invention provides a fully automatic incubator comprising a support, an incubation cabinet, a humidifying device, egg trays, an egg turning device, a heater, a blowing device and traveling wheels. The incubation cabinet is arranged on the upper surface of the support. The humidifying device is arranged on the upper part of the incubation cabinet, and is positioned in a humidifying chamber. Multiple layers of egg trays are arranged in the incubation cabinet. The egg turning device is arranged on one side of the egg trays. The heater is arranged on the lower part of the incubation cabinet. The blowing device is arranged on the lower surface of the support, and is arranged in a blowing chamber. A plurality of travelling wheels are arranged on the lower surface of the support. The fully automatic incubator provided by the invention has the advantages of simple structure and convenience in application. With the incubator, temperature, humidity and air flow can be automatically controlled, and automatic timed egg turning can be realized. Automatic disinfection can be realized, such that the internal environment is kept clean. Hatching eggs of various poultries can be incubated by a same machine, and the eggs can be hatched by the same machine. The incubator has the advantages of safe and reliable operation, high automation degree and high hatching rate.

A heater for thermally regenerating the asphalt pavement by direct radiation heating to repair and maintain the asphalt pavement is composed of an air heating boiler, a circulating blower, a heating box with several rows of spray holes and suspended under said boiler, a lifting mechanism, and several telescopic heating tubes with spray holes and connected between heating box and telescopic mechanism. Its advantages are high heat efficiency and saving fuel.

The invention discloses an aluminum profile anodizing device capable of automatically filling electrolyte. The aluminum profile anodizing device is mainly composed of an electrolytic cell, a direct current power supply, a cathode plate, an anode rod and an automatic electrolyte-adding device, wherein the automatic electrolyte-adding device is mainly composed of a sulfuric acid concentration onlinedetector, a controller, a sulfuric acid storage tank, a solenoid valve and a discharging pipe. The aluminum profile anodizing device is capable of automatically controlling the sulfuric acid concentration in the electrolyte, effectively controlling the temperature and uniformity of the electrolyte during the sulfuric acid anodizing process and guaranteeing the smooth proceeding of the sulfuric acid anodizing process; the oxidation effect of aluminum profile is excellent; the formed oxidation film layer is moderate in hardness and higher in porosity of the film.

The invention discloses a method for intelligently controlling the temperatures of furnaces and kilns. The method includes acquiring kiln head output values by means of speed change (fuzzy) PID (proportion, integration and differentiation) operation according to feedback temperatures of kiln heads of the rotary kilns; outputting the kiln head output values to coal scales of the kiln heads and controlling coal injection rates of coal of the kiln heads to be within certain ranges; acquiring set values of speed change (fuzzy) PID temperatures, namely, actual set temperatures of the decomposing furnaces, by means of operation by the aid of temperature control subsystems of the decomposing furnaces; computing errors and error change rates by the aid of feedback temperatures of outlets of the decomposing furnaces and the actual set temperatures of the decomposing furnaces, acquiring speed change PID (fuzzy) values by the aid of the computed errors and the computed error change rates, and acquiring output values of the decomposing furnaces by means of speed change (fuzzy) PID operation according to the feedback temperatures of the outlets of the decomposing furnaces; outputting the output values of the decomposing furnaces to coal scales of the decomposing furnaces and controlling coal injection rates of the decomposing furnaces to be within certain ranges.

The invention discloses a PP (Polypropylene) plastic injection molding machine. The PP plastic injection molding machine comprises a feeding device, a machine barrel, a screw rod, a base, a motor, a metering device and a machine head, wherein the feeding device comprises a stirring barrel and a feeding hopper; the stirring barrel is internally provided with a stirring device; an extruding screw rod is connected with the motor; the extruding screw rod comprises a core shaft, a locking nut, a flat gasket, a double-screw outer sleeve and a positioning key; double screws with the same lead are arranged outside the double-screw outer sleeve; a melt pump is arranged at a discharging end of the machine barrel; a filtering plate is arranged between the machine barrel and the melt pump; the melt pump is connected with the machine head; the metering device is arranged between the melt pump and the machine head; the machine head comprises a sleeve; a steel pipe, which is concentric with the sleeve, is arranged in the sleeve; an outer mold for extruding a material is arranged at one end of the sleeve; the steel pipe penetrates through the sleeve and the outer mold; a module sleeves outside a pipe body, located in the sleeve, of the steel pipe. The PP plastic injection molding machine is not easily blocked and the transferring amount of the injection molding machine is improved; the production efficiency is improved and the weight of a finished product can be accurately controlled.

The invention provides a LNG gas supply system on a deck transport ship, and the LNG gas supply system includes at least one LNG fuel tank, at least one set of fuel filling and containment system, a LNG fuel pressurized gasification / heating system, a gas supply auxiliary system, and a safety monitoring / emergency shutdown system; the fuel filling and containment system and the LNG fuel tank constitute a connection loop, and the LNG fuel pressurized gasification / heating system gasifies and heats LNG fuel to a dual fuel main engine; the gas supply auxiliary system provides a heating heat source for the LNG fuel pressurized gasification / heating system; and the safety monitoring / emergency shutdown system is used to monitor liquid level, pressure and temperature of the LNG fuel tank, a LNG leakage monitoring system, a fire detection system and an emergency shutdown system. The LNG gas supply system has two sets of fuel filling and containment systems, any one of the fuel filling and containment systems is easy to fill, and two sets of LNG barge / spray pumps are arranged and facilitate controlling of the pressure in the LNG fuel tank and ensuring of the stability and reliability of the gassupply system.

The invention discloses a device for processing food waste or sludge in a low-temperature evaporation mode through solar flat sheet membranes. The device is characterized in that a sealed box body composed of an upper solar flat sheet membrane and a lower solar flat sheet membrane is included, the upper solar flat sheet membrane is made of a light-transmitting organic thin membrane or a light-transmitting inorganic thin plate and is connected with the periphery of a frame in a sealed mode, and the lower solar flat sheet membrane is made of a transparent or nontransparent organic thin membrane or an inorganic thin plate and is connected with the periphery of the frame in a sealed mode; an uneven conveying belt used for accommodating food waste or wet sludge is arranged under the upper solar flat sheet membrane, the front face of the conveying belt is uneven, an upper water outlet is formed in the lower end of the upper solar flat sheet membrane, and a lower water outlet is formed in the lower end of the lower solar flat sheet membrane. Flowing-out water can be directly recycled or discharged, dry residues can be used as organic fertilizers for agriculture, and oil squeezed out from food waste dry residues can be recycled.

The invention provides a device for testing absorption heat of a solution by adopting a synchronous heat tracing method and a testing method, and belongs to the technical field of tests on the absorption heat through chemical reaction. The device comprises an inner tube solution reaction heat production system, an outer tube automatic synchronous heat tracing system, an air inlet pipeline system, an air outlet pipeline system and a data acquisition control system. A magnetic stirring bar is placed at the bottom of the solution; a cellular porous material is mounted at an air inlet pipe mouth; by means of stirring, the reaction is carried out more fully, and a temperature field of the solution is quick and uniform. By utilizing temperature difference thermal couple, a relay is controlled, so that connection / disconnection of a circuit of a heating sheet is controlled, and synchronous tracking on temperature of an outer tube and temperature of the solution is always performed. Additionally with measures such as vacuumization, additional arrangement of a heat insulating layer and additional arrangement of a reflecting layer are taken on the outer side of the heating sheet, heat dissipation of the heating sheet is reduced. The device has a simple structure and is convenient to operate; in a testing process, temperature control can be automatically carried out, and the control accuracy is high.

The invention discloses a watermelon seed processing device and method. The watermelon seed processing device comprises a puffing device, a drying device and a conveying device, the puffing device comprises a support, a rack and a charging barrel, one end of the rack is hinged to the support while the other of the same is connected with the support through a first oil cylinder, a driving motor, anelectric heater and multiple groups of supporting wheels are mounted in the rack, the charging barrel is arranged in the rack, multiple circles of rails are fixedly mounted outside the charging barrel, each rail is assembled on the corresponding supporting wheel, the driving motor drives the charging barrel to rotate on the supporting wheels through a gear and a gear ring, an end cap is mounted on each of two sides of the charging barrel, the electric heater is arranged below the charging barrel, an air incoming pipe and an air exhausting pipe are communicated on the two end caps respectively, and a valve is mounted on each of the air incoming pipe and the air exhausting pipe. The watermelon seed processing device can puff watermelon seeds to enable the surfaces of the watermelon seeds togenerate cracks and damage surface shells of the watermelon seeds, in this way, the watermelon seeds are easy to be shelled.

The invention discloses an electric vehicle charger with the over-temperature protection function. The output current of the charger is reduced under the extreme high-temperature condition, and therefore the aim that the temperature inside the charger is reduced is achieved. The electric vehicle charger comprises an alternating current input end, a power-switching circuit and a charging output end. An over-temperature protection circuit is connected with the power-switching circuit. A temperature detection circuit is connected with the over-temperature protection circuit. The temperature detection circuit comprises a resistor R1, a resistor R3, a resistor R4, a thermistor RT and a diode D5. A power supply terminal VCC is connected with the resistor R1. The resistor R1 is connected with the thermistor RT in series to be connected with the ground. The resistor R3 is connected with the power supply terminal VCC and connected with the resistor R4 in series to be connected with the ground. The positive electrode of the diode D5 is connected to the series connection ends of the resistor R3 and the resistor R4. The negative electrode of the diode D5 is connected to the series connection ends of the resistor R1 and the thermistor RT. The electric vehicle charger with the over-temperature protection function has the advantages that the over-temperature protection function of the electric vehicle charger is achieved, the temperature can be automatically controlled in the extremely severe high-temperature environment, and safety use of the electric vehicle charger is guaranteed.

The invention relates to temperature controlled thermotherapy embolism sponge particles, which comprise macromolecular material and magnetic responding particles contained therein, the magnetic responding particles made of alloy material having a Curie temperature of 40-65 deg. C are dispersed in a cross-linked network formed by high polymers, the thermotherapy embolism sponge particles have grain diameter of 50-2000um, the water absorption rate is no less than 5 times of the amount of the particles, the magnetic responding particles account to 0.5-45 wt% of the total embolism sponge particles. The invention also discloses the process for preparing the embolism sponge particles.

The invention discloses a moxibustion bed, which is characterized by comprising a lower cuboidal frame of a trisected frame, wherein a four-link lifting mechanism is fixed in each frame of the trisected frame, and the outer part of each frame is sealed by a door; four wheels and four adjustable support legs are mounted at the bottom of the lower frame; an upper frame is fixed above the lower frame, and an air-permeable aluminum plate is placed in the upper frame; a tail cover is fixedly connected with the right end of the upper frame, and is provided with a smoke outlet; a middle cover is fixed at the middle of the upper frame; a front cover is fixed at the middle of the upper frame and the left side of the middle cover through back falling prevention opening hinges; holes for human shoulder parts are formed in the left lateral surface of the front cover; a support plate is fixed above the four-link lifting mechanism of the upper frame; a moxa support plate is placed on the support plate. According to the invention, the support plate is fixed above the lifting mechanism of the upper frame and the moxa support plate is placed on the support plate, the moxibustion bed has the advantages that the moxibustion bed is convenient to move and fix; acupuncture points through the whole body are simultaneously moxibusted; the four-link lifting mechanisms are automatically adjusted to automatically adjust temperature, and various information is displayed by a display screen; blood microcirculation is promoted by the irradiation of far infrared lamps, and an ultraviolet lamp is used for irradiation for sterilization, so that cross infection of bacteria between patients is avoided.

The invention discloses an acousto-optic Q-switched high-power pulse fiber laser, which comprises a light path module and a circuit module. The light path module comprises a pump source, a resonant cavity and a fiber optic amplifier, wherein the pump source is used for generating pumped laser, and comprises a plurality of pump lasers; the resonant cavity is used for converting the pumped laser into pulse laser; a high reflective mirror and an acousto-optic modulator are arranged in the resonant cavity, and the resonant cavity is connected to the pump source; and the fiber optic amplifier is used for performing power amplification on the pulse laser and outputting the amplified pulse laser. Preferably, the high reflective mirror adopted by the laser has the reflected bandwidth capable of reaching 100nm and the reflectivity of 99 percent, and can bear the peak power of dozens of kilowatts and the average power of dozens of watts. Therefore, the laser solves the problem that the spectral bandwidth of the output laser is narrowed under the condition of certain pulse peak power, can avoid the nonlinear stimulated Brillouin scattering (SBS) of the laser, and has high reliability.

The invention provides a loop heat pipe type solar heater. The loop heat pipe type solar heater comprises a solar heater body and a heat utilization device. A system comprises an auxiliary heating device which is arranged on a pipeline of the solar heater system in parallel, valves are arranged on both a water input pipeline and a water output pipeline of the auxiliary heating device, wherein the water input pipeline and the water output pipeline are communicated with the pipeline of the solar heater system. A valve is arranged on the pipeline of the solar heater system in parallel with the auxiliary heating device, wherein the valve is located between the water input pipe and the water output pipe. A heat collector comprises a glass vacuum heat collecting tube, the glass vacuum heat collecting tube comprises a glass parent tube, and a heat absorbing layer wraps the outer surface of the glass parent tube. The loop heat pipe type solar water heater which saves energy is provided, so that heat utilization capacity of solar energy is improved.

A capacitor deionization device comprises electrode pairs, electrode pair supporting frames, an organic glass container, a collector electrode for power on, a water inlet pipe for being connected to a raw water pond and a water outlet pipe for being connected to a purified water pond.Each electrode pair supporting frame comprises a first electrode placement face, a second electrode placement face opposite to the first electrode placement face, a water inlet and a water outlet.All the electrodes and all the electrode pair supporting frames are located inside the organic glass container.The organic glass container is a sealing container with the thick inner wall.The water inlet pipe penetrates through the organic glass container to be communicated to the water inlets.The water outlet pipe penetrates through the organic glass container to be communicated to the water outlets.When the capacitor deionization device is filled with water to be treated, after the collector electrode making contact with the water to be treated is powered on, capacitor deionization operation is performed on the water to be treated through the capacitor deionization device.The embodiment of the invention further provides a capacitor deionization system and method.

The invention discloses a method for enhancing the acid pickling efficiency of stainless steel tubes. The method comprises the following steps of (1) acid pickling tank equipment modification, wherein the bottom of each acid pickling tank is arranged to be in an arc shape, and movable supporting devices are adopted on the two sides of an acid tank; and (2) an acid pickling process, wherein the procedures of carrying out feeding and acidification in sequence and carrying out acid discharge and uncovering in sequence are adopted, the acid mist discharge amount is greatly reduced, movement of the two ends of a crown block track is controlled in the acid pickling process, the two ends alternately move up and down, the process is repeated, acid liquor is disturbed by the steel tubes to form a turbulent flow state, the flow of an acid liquor circulation system is increased, the turbulent flow effect is enhanced, sludge accumulation in the acid tank is reduced, the acid liquor is cyclically heated through a heat exchanger, the temperature is automatically controlled, and the acid pickling efficiency is improved. According to the method, the acid pickling effect of the steel tubes is enhanced; the acid pickling efficiency is improved; and by means of an empty tank feeding and automatic acid discharge system, the acid mist discharge amount is greatly reduced, and environment benefits are enhanced.