62 results about "Forced-air" patented technology

This invention discloses a temperature-controlled openable / closed automotive wheel hub cover and a vehicle thereof. The hub cover includes a cover body with ventilation openings on its surface. One side of the ventilation opening is covered and connected to a blade via a connecting shaft. A temperature-controlled drive assembly is also connected to the end of the blade connecting shaft. One end of the temperature-controlled drive assembly is connected to the cover body, and the other end is connected to the blade. The beneficial effects of this invention are: reduced wind resistance: when the vehicle is cruising normally and the braking system temperature is low, the blade panel remains in the closed position. At this time, the wheel hub opening is covered, effectively reducing air resistance. Enhanced heat dissipation: when the vehicle brakes, causing the system to heat up, the heat transferred to the temperature-controlled drive assembly will drive the blade panel to the open position. At this time, an opening is formed at the wheel hub, providing forced air cooling to the brake disc. Improved vehicle safety: when the vehicle deceleration exceeds a threshold, emergency braking will be triggered, forcibly activating heat dissipation, thereby preventing the braking system from failing due to overheating and guiding the system to a preset safe state.

The utility model discloses a kind of forming cooling devices for PP box production, including box, liftable upper die holder is arranged in the movable groove of box top, lower die holder is arranged in the box, the top of lower die holder is provided with forming cavity, the outside of lower die holder is provided with heat conduction plate, the side of heat conduction plate is provided with spray head, the spray head is connected with water pump by pipeline, the water pump is communicated with water tank by connecting pipe, the water outlet of box side is connected with water tank by circulation pipe, the inside of upper die holder is provided with radiating cavity. The utility model structure design is scientific and reasonable, solve the problem of low efficiency of traditional device single cooling mode, by the structure cooperation of radiating cavity, metal fin, spoiler, fan and radiating hole in upper die holder, realize the forced air cooling heat dissipation effect of upper die holder, solve the problem of simple heat dissipation structure, heat accumulation of upper die holder of traditional device, guarantee the forming cooling effect of PP box.

This invention relates to a lightweight, highly protected forced-air-cooled axial flux EVTOL motor, belonging to the field of motor technology. It includes a stator assembly, a rotor assembly, and a central barrel connecting the upper and lower rotors. The stator assembly includes a motor shaft, a stator support frame, and a yokeless motor core. Enamelled coils are wound on the motor core. The stator support frame is machined from aluminum alloy in a single process, incorporating a stator skeleton, bearing housing, and heat dissipation fins on the outer circumference of the stator skeleton. The rotor assembly includes an upper rotor and a lower rotor located on opposite axial sides of the stator assembly. The upper and lower rotors each have machined rotor inlets and outlets, centrifugal blades, and mounted magnet backing irons. Permanent magnets are mounted on the magnet backing irons. The upper and lower rotors are fixedly connected and rotate synchronously via the central barrel. This axial flux motor features a unified design of lightweight, high protection, and efficient heat dissipation, solving the technical problem of conflict between cooling methods and protection levels. It is particularly suitable for the reliability and power requirements of EVTOL aircraft under complex operating conditions.

A generator system comprising a generator and an engine positioned within an enclosure, the engine having an engine coolant system and an air intake; a fan positioned to force air through the heater core; a low temperature fluid circuit comprising a heater core positioned within the enclosure, a first coolant heater in fluid communication with the heater core, and a first pump in fluid communication with the first coolant heater and configured to pump heated coolant from the first coolant heater to the heater core; and a high temperature fluid circuit comprising a radiator, second coolant heater, and a second pump in fluid communication with the second coolant heater and configured to pump heated coolant from the second coolant heater through the high temperature fluid circuit, wherein the low temperature fluid circuit and the high temperature fluid circuit are each in fluid communication with the coolant system of the engine.

The present application belongs to the field of railway facility measurement, and specifically provides a railway infrastructure geometric parameter measurement vehicle. The measurement vehicle is provided with a measurement system and a control system on the vehicle body. The measurement system comprises multiple measurement components, and the control system comprises a first industrial computer and a second industrial computer. Part of the components of the measurement system are in communication connection with the first industrial computer, and another part of the components are in communication connection with the second industrial computer. The two industrial computers are arranged horizontally on the vehicle body, and the vehicle body completely covers the two industrial computers. Ventilation openings are formed on the front and rear ends of the vehicle body to form air ducts for cooling the two industrial computers. The two low-power industrial computers are responsible for different control operations to meet the intelligent measurement requirements, and the heating problem of the measurement vehicle can be better controlled. Meanwhile, the vehicle body is provided with a forced air cooling structure to actively cool the industrial computers by using cooling air, thereby solving the problem of difficult heat dissipation of the measurement vehicle.

This invention discloses a transformer for offshore photovoltaic power generation, relating to the field of offshore photovoltaic power generation technology. It includes a transformer body and a floating platform. The transformer body is fixed to a base, and the lower end of the base is fixedly connected to the floating platform. The transformer body includes an oil tank and an internal transformer. The top of the transformer is fixedly connected to the top of the oil tank via screws, and the lower part of the transformer is connected to the bottom of the oil tank via a limiting mechanism. The oil tank does not have finned cooling; instead, a forced air cooling device dissipates heat from the transformer oil inside the tank. The floating platform is limited by a fixed limiting device. Compared to traditional offshore photovoltaic power generation transformers, this method replaces land-based or offshore platform construction with floating transformer construction, reducing the specifications of power transmission cables, eliminating the need for land area and large-scale offshore platform construction, lowering costs, and reducing requirements for the equipment installation environment.

The utility model provides a combined type blast hot regeneration dryer, dryer import, precooling evaporimeter, gas -liquid separator, alternate adsorption module, dryer export connect gradually form the cooling adsorption flow path, the air blower, the heat accumulator, the heater, alternate adsorption module, second waste gas blowdown valve connect gradually form environmental gas heating regeneration flow path, precooling evaporimeter, refrigeration compressor, condenser, throttling device form refrigeration circulation flow path, dryer export, alternate adsorption module, first waste gas blowdown valve form first finished gas cold blow cooling flow path. The utility model provides a combined type blast hot regeneration dryer, adopts the way that low temperature pretreatment and regeneration process high temperature heat compensation are combined in adsorption process to ensure that adsorbent has stable, good adsorption and regeneration condition in each adsorption cycle, can make gas get deep drying, and effectively reduce the system energy consumption in the processing process.

Exemplary aspects include heating the media and drying the ink by forced convection generated from a Coanda heater. By providing and heated air flow over a curved surface, a low pressure Bernoulli effect will acquired the media to glide over the heated forced air. Similarly, by providing a cold air over a curved surface, the media will be acquired by the same low pressure principle. The cold air will cool down the media by forced convection. Direct forced air is an efficient way to heat or cool the media. An upper flow on top of the media will facilitate the removal of the evaporated ink water and solvent. The solvent could be captured by a filter. Air heaters are significantly cheaper than infrared lamps and more robust.

The application discloses a forced air cooling frequency converter fault prediction decision assistance system and particularly relates to the technical field of frequency converter fault detection, which comprises a forced air cooling frequency converter multidimensional sensing module, a multidimensional fault feature extraction module, a hybrid intelligent prediction module, a forced air cooling frequency converter fault grading module, a forced air cooling frequency converter decision generation module and a forced air cooling frequency converter man-machine interaction module; the forced air cooling frequency converter multidimensional sensing module collects multidimensional sensing data of the forced air cooling frequency converter, including electrical data, heat dissipation data and environmental data, and performs preprocessing to obtain a multidimensional parameter set; the application constructs a hierarchical architecture of a first-level basic prediction, a second-level accurate prediction and a comprehensive fusion prediction, the first-level prediction reduces the calculation load, improves the early warning capability, the second-level prediction only focuses on abnormal samples, realizes the accurate output of probability, life and fault type, and the comprehensive prediction dynamically weights and fuses the results of each level, thereby improving the operation efficiency and the prediction accuracy.

This invention discloses a three-dimensional wound core distribution transformer oil tank with spiral flow guiding and zoned cooling fins, including an oil tank body, an oil conservator, a three-dimensional wound core body, multiple windings, two cooling fin groups, a forced air cooling device, and an oil tank base. The multiple windings are respectively mounted on multiple columns of the three-dimensional wound core body, which is fixedly installed on the oil tank base. This invention significantly extends the flow path of transformer oil in the winding area by constructing spiral flow guiding channels inside the windings. Combined with the tip-oriented design of the teardrop-shaped flow guiding blocks, it effectively guides the oil to flow along a predetermined path, avoiding the stable eddy current phenomenon easily formed in traditional vertical oil channels, thereby improving cooling uniformity. The through holes and interlayer spacers on the support bars are arranged alternately, providing auxiliary channels for lateral flow of oil while maintaining the strength of the insulation structure, promoting heat exchange and mixing of the oil between layers, and preventing localized overheating.

The utility model discloses a three -phase dry type transformer of forced air cooling of area heat dissipation fan, relate to transformer technical field, including base, the base upper portion is installed the iron core, the iron core outside is provided with three groups of windings, and each group winding both ends inside all reserve the passage of wind, and each group winding both ends all are installed with the heat dissipation fan corresponding with passage of wind. This three -phase dry type transformer, through setting temperature detection part real -time detection winding temperature, and according to temperature threshold value automatic control heat dissipation fan start -stop, when winding heat value exceeds threshold value, heat dissipation fan work produces airflow and takes away heat, realizes forced air cooling. This design can promptly, accurately to winding carries out heat dissipation, effectively avoided the performance decline and short -lived problem that the winding temperature is too high to cause, improved the reliability and stability of transformer obviously.

This application provides a hot-pressing solid-state reconstruction recycling apparatus and method for thermosetting resin-based composite materials. The apparatus includes: a tunnel furnace for preheating the billet to the viscoelastic creep activation temperature; a constant-temperature roller pressing assembly, comprising several sets of upper and lower opposing mechanical rollers, which continuously press the billet directly within the furnace cavity; a cooling roller pressing assembly, which uses pressure-holding rollers to maintain the compressed shape of the billet and cooperates with an air-cooling fan assembly for forced air cooling to complete the final shaping; a conveying device located between the furnace outlet and the cooling roller pressing assembly, for connecting and smoothly conveying the billet to be cooled; and an automated control system for coordinating and controlling the heating temperature, roller pressing pressure, air cooling intensity, and mechanical roller speed to meet the process window required for viscoelastic creep. This application effectively solves the problems of fiber damage, low recycling value, high energy consumption, and serious environmental pollution associated with traditional recycling technologies.

The application discloses a precision temperature and humidity adjusting refrigeration cycle system of a forced air simulation environment laboratory, and relates to the technical field of laboratory refrigeration equipment.The system comprises seven modules, i.e., a refrigeration and dehumidification integrated circuit, a three-stage cold energy heat recovery collaborative module, a dynamic coupling self-learning decoupling unit and the like, and a closed-loop collaborative network is constructed through an industrial Ethernet; the refrigeration and dehumidification energy is complementary, the temperature and humidity are decoupled to eliminate interference, and the flow field is self-adaptive to optimize the temperature field; the cold energy is adjustable in a full range and the waste heat is recovered in stages, and the energy consumption and precision are dynamically balanced; the working condition is pre-judged to shorten the switching time, and the fault is classified for self-recovery to guarantee operation.The application solves the pain points of the traditional system, such as temperature and humidity adjusting conflict, high energy consumption, slow response and insufficient reliability, realizes the cooperation of precise control, deep energy saving, fast response and stable operation, provides a reliable simulation environment for performance testing of forced air equipment, and guarantees the accuracy of test data.

A waste shredding and drying system comprising a rotating roller shredder (1) provided with rotating cutting teeth (2), a stator (3) composed of static knives (4) separated from each other by a distance equal to or greater than the thickness of the rotating cutting teeth (2), a finishing knife (5) comprising a longitudinal edge located under the stator (3); a homogenizing container (6) comprising an agitation mechanism (7) and a forced-air drying mechanism (8), which also receives sanitizing and desiccant compounds; and an automated control of the direction of rotation of the rotating roller (1), capable of reversing the rotation of the roller for a predetermined time interval.

This invention discloses a performance monitoring system and method for forced air-cooled power cabinet cooling fans in excitation systems. The system includes an air guide and a processing controller installed within the power cabinet's cooling duct. The air guide includes a pressure plate, a pressure plate baffle, a cylindrical strain gauge, and a limit switch. During monitoring: after the fan starts, if the pressure plate opens under wind force and triggers the limit switch, the fan is considered to be starting normally. Simultaneously, the pressure plate's opening is limited by the baffle, and under continuous wind force, the baffle is compressed, causing the strain gauge to deform and output real-time strain force data. The processing controller compares this data with a preset alarm threshold (based on rated wind pressure). If the data is less than the threshold, an anomaly is determined, and an early warning is triggered. This invention combines qualitative start-stop monitoring with quantitative wind force monitoring, enabling accurate early warning in the early stages of fan performance degradation. This shifts from reactive maintenance to preventative maintenance, ensuring the safe operation of the generator set.

The utility model discloses a water cooling row field's heat dissipation water cooling row, and the hollow casing is equipped with the hot water area, cold water area and fluid fusion area that mutually isolate in water cooling heat dissipation component, and is conducted through water inlet pipe, water outlet pipe respectively. First, second temperature sensor real -time monitoring hot water area, cold water area water temperature, in order to adjust the flow rate of water flexibly. The heat dissipation fin of shell inside parallel setting, and the middle part penetrates the hole sleeve to set up in the outside of water inlet pipe, water outlet pipe, and the both sides extension part is close to water pipe, and the contact area is increased greatly, and the heat exchange efficiency between cooling liquid and fin is promoted. The air -cooled auxiliary assembly is composed of rack and a plurality of fan bodies, and the rack is fixed to the top of the casing, and the fan bodies are arrayed, and the air outlet direction is aligned with the heat dissipation fin. When working, the high temperature cooling liquid of hot water area flows into fluid fusion area through water inlet pipe, and the heat is given to the heat dissipation fin, and the forced air flow of air -cooled auxiliary assembly quickly takes away the fin heat, and the overall heat dissipation performance is improved significantly, and the heat dissipation demand of high heat generating equipment is satisfied.

This invention discloses an intelligent thermal management system and method for a high-frequency pulse power distribution cabinet, relating to the field of electrical cabinet thermal management technology. The thermal management method, applied to the cabinet body, includes the following steps: Heat dissipation channel operation step: A forced air cooling heat dissipation channel is established through an air inlet and an exhaust fan located on the cabinet body, allowing external air to flow through the electrical components inside the cabinet before being exhausted. Dual-layer filtration step: A dual-layer filter system is installed at the air inlet end of the heat dissipation channel, wherein the filter cloth system uses a continuously replaceable roll-type filter cloth. Adaptive adjustment step: Temperature sensors collect the cabinet interior temperature and ambient temperature parameters. When a preset cleaning trigger condition is met, the controller starts the drive motor, which drives the filter cloth system to perform filter cloth winding and replacement. During replacement, a temporary gap area not covered by the filter cloth appears, providing additional ventilation compensation for heat dissipation inside the cabinet.

The utility model discloses a kind of oil pump shell structures, including base, the upside of base is connected with shell, the both sides of shell are connected with fin respectively, oil pump shell structure further include initiative heat dissipation mechanism, dustproof mechanism and baffle cover;Shell is close to the side of fin and is provided with initiative heat dissipation mechanism for initiative heat dissipation mechanism of shell interior heat export;Dustproof mechanism is arranged on initiative heat dissipation mechanism for preventing dust in air from entering shell interior.Through initiative heat dissipation mechanism initiative shell interior heat forced discharge, through forced air flow, more air flow is guided to heat dissipation surface, can accelerate heat dissipation, can carry away a large amount of heat in short time, increase heat exchange efficiency, solve the heat dissipation efficiency of heat dissipation fin lower, make the heat dissipation performance of oil pump shell structure difficult to meet the heat dissipation demand of heavy load or higher ambient temperature scene under technical problem.

The application relates to the technical field of tea processing, and discloses a tea processing device, which comprises a base, the top of the base is fixedly connected with a supporting plate, the side of the supporting plate is provided with a first fixed plate, fresh air is sent in through a blower on one side, and wet and hot waste gas is discharged through an air extractor on the other side, a through forced air flow channel is established in the central shaft area of a roller, cooled fresh air can be directly delivered to the geometric center of the roller which is most prone to heat accumulation, and the wet and hot air in the core area is forcibly extracted, so that the local high-temperature phenomenon caused by fermentation heat release is fundamentally avoided, the uniformity and stability of a fermentation temperature field are ensured, and when the roller rotates, the movable rod drives the poking plate to reciprocate, so that tea leaves or broken tea leaves possibly attached to the outer wall rectangular groove of the fixed shaft can be automatically and timely cleaned. The design completely solves the common problem of air outlet blockage in the hollow shaft ventilation structure, and ensures that the air flow channel is long-term unobstructed and the heat dissipation effect is continuously efficient.

The application discloses a metal hydride hydrogen storage device and belongs to the technical field of hydrogen energy storage. The device comprises a pressure-resistant tank body, a hydrogen pipe and hydrogen storage alloy powder. A plurality of hub-type fins with radial fan-shaped through holes are fixed in the pressure-resistant tank body. The hydrogen storage alloy powder is supported in layers, the hydrogen flow channel is optimized, and the heat transfer in the bed body is strengthened. A heat exchange tank jacket is arranged outside the pressure-resistant tank body, a plurality of independent fluid channels extending in the axial direction are arranged on the heat exchange tank jacket, and a forced air convection heat exchange air duct is formed. Through the synergistic effect of the internal hub-type fins and the external forced air fluid channels, the hydrogen storage alloy powder pulverization and collapse are effectively inhibited, the stress of the tank body is relieved, the heat transfer and mass transfer efficiency of the device are significantly improved, the hydrogen absorption / release response time is shortened, the overall structure of the system is lightened and simplified, and the manufacturing cost and maintenance complexity are reduced.

The present application relates to the technical field of high-precision motion control, and particularly relates to a linear joint module with highly integrated thermal management, which comprises a casing, a stator and a screw transmission assembly composed of a planetary screw nut and a planetary screw shaft, the casing is provided with a liquid cooling channel, the channel is configured as a variable cross-section flow channel, the cross-sectional area corresponding to the stator winding area is small to improve the local heat exchange efficiency, and the cross-sectional area of the end turning area is large to reduce the fluid pressure drop, in addition, the planetary screw nut is provided with a forced air cooling assembly that rotates synchronously and reversely with the screw nut, the assembly has a one-way air guide structure composed of asymmetric aerodynamic angle blades, and no matter the screw nut rotates forward or reversely, the air flow can be discharged to the same axial end of the module. Through the double integrated design of liquid cooling and forced air cooling, the heat generation and locked-rotor temperature of the module are effectively reduced, and the precision and stability of high dynamic operation are ensured.

A heating table assembly (10) has a frame assembly (12) and a heating system (14). The frame assembly (12) has a base (16) and a support frame (18), the base (16) having an outlet opening (20). The heating system (14) is operably positioned in the frame assembly (12). The heating system (14) has a heating unit (70) connected to a duct assembly (72). The duct assembly (72) has an outlet (84) positioned at the outlet opening (20). The heating unit (70) generates heated forced air through the outlet opening (20) which is configured to provide warmth to a user positioned generally adjacent the outlet opening (20).

The application relates to dust reduction technology, in particular to a sunstroke-preventing and dust-removing water spraying device for building construction, which comprises a moving seat, a water tank, a hollow cylinder, a ventilation cylinder, a supporting frame and a material dropping piece. The sunstroke-preventing and dust-removing water spraying device for building construction is characterized in that a plurality of first spray heads are uniformly distributed on the first annular pipe outside the hollow cylinder, the annularly-arranged spray heads can form a full-range and dead-angle-free spraying coverage area, forced air draft of the air draught fan in the hollow cylinder can direct the surrounding air to be purified into the hollow cylinder and the ventilation cylinder, the airflow and the spray can be fully contacted, the suspended dust in the air can be efficiently captured, and the main dust reduction operation is realized; the second annular pipe on the inner wall of the ventilation cylinder is also provided with a plurality of annularly-arranged second spray heads, the water is taken from the water suction pipe through the communicating water pipe, the air is pretreated before entering the main dust reduction area, part of the large-particle dust is settled in advance, and the overall dust reduction effect is further improved.

This utility model relates to the field of ring main unit technology and discloses a compact, expandable, modular ring main unit, including a main cabinet. The main cabinet includes a cabinet body, and a reinforcing mechanism is provided on the outside of the cabinet body. The reinforcing mechanism includes aluminum alloy reinforcing frames fixedly connected to the four corners of the cabinet body. Two first reinforcing ribs are fixedly connected between two aluminum alloy reinforcing frames on the same side in a symmetrical front-to-back arrangement. This utility model increases the heat dissipation channel by setting ventilation slots at the top and bottom of the cabinet body. Utilizing the principle of hot air rising, a natural convection heat dissipation channel is formed. At the same time, a cooling fan is installed at the upper ventilation slot. When passive heat dissipation cannot effectively reduce the temperature inside the cabinet, the cooling fan can force airflow to accelerate the dissipation of heat inside the cabinet. In addition, the cabinet frame and cabinet panels are made of aluminum alloy, which has better thermal conductivity than ordinary steel, helping to quickly conduct internal heat to the outside.

A controller of a heating, ventilation, and air conditioning (HVAC) system includes a non-transitory, computer-readable medium having instructions stored thereon. The instructions, when executed by processing circuitry of the controller, are configured to cause the controller to receive, via a temperature sensor coupled to a condenser of the HVAC system, data indicative of a temperature of a working fluid directed through the condenser, determine a saturated pressure of the working fluid based on the data and based on working fluid reference data stored on the non-transitory, computer-readable medium, and compare the saturated pressure to a threshold value. In response to a determination that the saturated pressure exceeds the threshold value, the controller is configured to reduce a frequency of a compressor of the HVAC system, increase a speed of a fan configured to force an air flow across the condenser, or both.

This invention relates to the field of resistor technology, specifically to a high power density power resistor with a wide resistance range. It includes a housing and multiple resistor units stacked within the housing. Each resistor unit includes an insulating support substrate and a resistor sheet encased within the support substrate. The resistor sheet has conductive portions bent at both ends, extending to the outer surface of the support substrate. Adjacent resistor units are connected via these conductive portions. An air duct is provided between the support substrates of adjacent resistor units. The high power density allows the resistor unit spacing to be adjusted within any range based on the thickness of the support substrate, enabling forced air cooling heat exchange and minimizing the volume to the theoretical minimum. It also offers higher protection levels and corrosion resistance, achieving high levels of waterproofing and dustproofing; and meets the high requirements for large creepage distances and clearances even under high voltage conditions.

The utility model discloses a high efficiency's fierce fire staggered floor combustion system of upper air inlet, include: furnace head subassembly, furnace base, blast box, air blower and fierce fire air outlet structure, blast box and air blower set up in the below of range panel, the blast outlet of fierce fire air outlet structure is located the above of range panel, towards the injection port of injection channel, blast box is equipped with the blast connecting port of connecting fierce fire air outlet structure, and air blower can send air through blast box to the blast outlet of fierce fire air outlet structure, the utility model discloses, break through upper air inlet space limit, realize efficient blast, the core innovation is in the ingenious adoption " blast source lower -positioned, air -supply path up -going, air -out point upper -positioned " split type design. Through special fierce fire air outlet structure, air is accurately delivered to the injection channel injection port near the above of range panel, realizes the core function of forced air supply. This design perfectly adapts the structural characteristics of all upper -positioned of upper air inlet burner injection system.

The utility model relates to a kind of multi-layer structure's blast drying oven, belong to blast drying oven technical field, a kind of multi-layer structure's blast drying oven, including shell, the shell inner wall is fixedly connected with second baffle, the second baffle side is provided with heating chamber, heating structure is arranged inside the heating chamber, drying structure is arranged in the shell inside, the heating structure includes the heating pipe fixedly connected in the shell bottom, the shell outside is fixedly connected with support plate, the support plate upper surface is fixedly connected with air blower, the air blower delivery end is communicated with heating chamber inside, the heating chamber side is installed with second box door, the second box door side is fixedly connected with second handle, the drying structure includes the multiple drying ovens with shell inside sliding connection, different kinds of goods are stored by using multiple drying ovens with the above structure, avoid the type of fruit and vegetable to appear mixing, cause different varieties of fruit and vegetable mutual pollution.

This application relates to the field of metal material processing technology, and discloses a high corrosion-resistant precision seamless steel pipe for new energy vehicles and its production process. The process includes preparing a billet using steel with the stated chemical composition; hot rolling the billet to obtain a seamless steel pipe base; online controlled normalizing of the seamless steel pipe base, including heating and heat preservation; and after heat preservation, subjecting the base pipe to two-stage controllable cooling, which includes forced air cooling at a first cooling rate to a first predetermined temperature, followed by slow cooling at a second cooling rate to room temperature. Through the synergistic effect of specific chemical composition design and the two-stage controllable cooling process, the obtained steel pipe has a fine ferrite and pearlite structure, giving its matrix excellent corrosion resistance. Simultaneously, the fine grain strengthening effect combines high strength and good plasticity, and eliminates the need for a secondary surface anti-corrosion treatment process, simplifying the production flow.