Method for leveling broken wave defects of ultra-thin plates and strips

The invention discloses a method for leveling broken wave defects of ultra-thin plates and strips, and belongs to the field of finishing technologies for rolled steel sheets. The method is used for overcoming the broken wave defects of the ultra-thin plates and strips. The technical scheme includes the defined convexity of a work roll of a leveler is -0.03mm; in a primary broken wave leveling and eliminating procedure, tension of a reeling machine ranges from 10000KG to 12000KG, tension of an uncoiling machine ranges from 1800KG to 2000KG, positive roll bending force ranges from 150KN to 200KN, and high rolling force ranges from 4000KN to 4500KN; in a second broken wave leveling and eliminating procedure for oblique waves formed when broken waves are leveled, the tension of the coiling machine, the tension of the uncoiling machine and the roll bending force are unchanged, and small rolling force ranges from 2000KN to 2500KN. The method has the advantages that proper leveling technological ...

Regenerative burner capable of completely burning coal gas

The invention relates to a regenerative burner capable of completely burning coal gas, and belongs to the technical field of regenerative heating furnace equipment. The regenerative burner is used for completely burning residual coal gas in the regenerative burner. According to the technical scheme, the regenerative burner is of an air-coal gas dual-regenerative structure; a nitrogen purging device is arranged at the lower part of a coal gas three-way valve; after the regenerative burning process is finished, a high-speed nitrogen switching valve on a nitrogen purging pipeline is switched on to purge residual coal gas between the coal gas three-way valve and a coal gas regenerative burner body into a furnace by virtue of nitrogen, the purging time is adjusted according to the volume of the residual coal gas, and the complete burning is realized; in the regeneration process, the high-speed nitrogen switching valve is switched off, and the regenerative burner normally regenerates. According ...

Data center PUE calculation and analysis method and system under dual-carbon background

The invention provides a data center PUE computational analysis method and system under a dual-carbon background, and relates to the technical field of data center management. According to the method, corresponding aging correction and efficiency correction are respectively constructed through data center aging correction function construction and data center efficiency correction function construction; the aging correction amount can correct meaningless decrease of the PUE value caused by IT equipment aging, and the efficiency correction amount can correct the problem of abnormal increase of the PUE value caused by calculation optimization; in addition, according to the embodiment of the invention, the related historical data of the PUE are analyzed, so that effective IT equipment aging maintenance and regional optimization can be guided.

Electronic monitor system for termite damage based on radio frequency

The utility model relates to an electronic monitoring system to monitor the termite harm based on wireless radio frequency, comprising a microprocessor as a central concentrated data acquisition machine. A data interface of the microprocessor is communicated with at least a receiving unit of data terminal through a wire communication channel, and each receiving unit of data terminal is communicated with a corresponding module which has the function of processing information and ZIGBEE wireless communication through at least a wireless communication channel. Besides, the module is connected with a plurality of monitor probes of the termite harm in each detector of the termite harm by a plurality of data lines of the module respectively, and the module can receive the information of the termite harm which is detected by the monitor probes of the termite harm, and also the detector of the termite harm has the function of ZIGBEE communication and adaptive networking. The regular data acquisition ...

Information release terminal device with human body-sensing display

The invention discloses an information release terminal device with a human body-sensing display, which comprises a liquid crystal display and a control module, wherein the liquid crystal display is provided with a sensor for sensing a human body approaching, the sensor sends sensing signals for indicating the human body approaching to the control module, and the control module controls the back light on-off action of the liquid crystal display after receiving the sensing signals sent by the sensor. By using the infrared human body-sensing technology, the back light lamp of the liquid crystaldisplay of an information release terminal can automatically lights when a human body approaches to an area with a radius of 3-8 meters, and the back light lamp can is delayed 1-5 minutes after the human body is away from the area. The invention has the advantages of simple structure and convenient operation, and can effectively reduce energy waste and prolong life of products.

Long-life steel billet conveying roller way for heating furnace

The invention discloses a long-life steel billet conveying roller way for a heating furnace and belongs to the technical field of heating furnace equipment, the long-life steel billet conveying roller way is used for conveying steel billets in the heating furnace. The technical scheme is as follows: the steel billet conveying roller way is not provided with a water-cooling facility, wherein a roller body adopts a circular-tube shaped thin-wall structure; a plurality of ring-shaped convex roller rings are arranged on the outer wall of the circumference of the roller body, and the plurality of roller rings are uniformly distributed on the roller body along the roller body axial direction. The roller body and the roller neck of the long-life steel billet conveying roller way disclosed by the invention are cast by high-temperature alloy, the furnace roller is not equipped with a water-cooling structure, a furnace roller surface temperature and a furnace chamber temperature are the same, and ...

Electronic monitor system for termite damage based on radio frequency

Automatic self-aligning flat head driving device for grinding working rolls

The invention discloses an automatic self-aligning flat head driving device for grinding working rolls, and belongs to the technical field of roll grinders and fixtures, for rapidly clamping the flat heads of the working rolls for grinding. The technical scheme comprises that: the automatic self-aligning flat head driving device for grinding working rolls is composed of a left driving pusher dog assembly and a right driving pusher dog assembly and needs to be used in pairs. The substrate of each driving push dog assembly is provided with a main spindle installing hole and an auxiliary spindle installing hole, two guide sleeve are respectively welded to one side of each of the main and auxiliary spindle installing holes, the lower parts of a main spindle and an auxiliary spindle are respectively installed into the guide sleeves and the main and auxiliary spindle installing holes, the front ends of the main and auxiliary spindles are sleeved with copper sleeves, the copper sleeves are sequentially ...

Method for producing ultrathin hot-rolled coils from sheet billets by continuous casting and rolling

The invention discloses a method for producing ultrathin hot-rolled coils from sheet billets by continuous casting and rolling. The method includes the technologic steps of (1) steelmaking process, (2) continuous casting process, (3) heating process, (4) hot rolling process and (5) cooling and coiling process. The continuous casting process includes drawing steel balls into continuous casting billets by means of continuous casting, wherein casting speed is controlled to be 4.5-4.7 meters/minute, feeding-to-furnace temperature is within a range from 935 DEG C to 960 DEG C, and thickness and width of the casting billets are controlled to be 70mm and 1260mm respectively. The heating process includes heating the continuous casting billets by a heating furnace with a three-step furnace temperature control function. The hot rolling process includes producing the heated continuous casting billets into ultrathin hot-rolled sheets via a roughing mill and a finishing mill, and controlling finishing ...

Zigbee protocol based proportion integration differentiation (PID) parameter tuning controller

The invention discloses a Zigbee protocol based proportion integration differentiation (PID) parameter tuning controller. The controller comprises a PID parameter tuning controller host and at least one wireless input/output node for connecting a field testing device, wherein the PID parameter tuning controller host comprises a shell, an antenna connected with the shell, a wireless receiving module fixed in the shell, a mainboard and a power supply module; the wireless input/output node comprises an input module, an output module, a central processing unit (CPU) module and a radio frequency module; and the PID parameter tuning controller host is connected with the wireless input/output node through a Zigbee protocol based wireless signal. The PID parameter tuning controller has good network coverage through miniature networking design, is convenient to assemble and use, and is suitable for signal collection and measurement in industrial automation.

Process for heating continuous casting slabs by regenerative roller-hearth type heating furnace

The invention relates to a process for heating continuous casting slabs by a regenerative roller-hearth type heating furnace and belongs to the technical field of process for heating slabs by a heat-accumulation heating furnace. The process is used for rapidly heating continuous casting thin slabs. According to the technical scheme, the various functional segments of the roller-hearth type heating furnace are divided into a first heating section, a second heating section, a third heating section, a slab traversing section and a thermal-insulation section, a regenerative combustion technology is adopted in each section, and the temperature of the first heating section as a main heating section is raised to 1230 DEG C, the temperature of the second heating section as an auxiliary heating section is raised to 1210 DEG C, the temperatures of the other sections are also raised to 1190 DEG C, the soaking process is completed, and the final tapping temperature is 1180+/-5 DEG C. According to the ...

Information release terminal device with human body-sensing display

The invention discloses an information release terminal device with a human body-sensing display, which comprises a liquid crystal display and a control module, wherein the liquid crystal display is provided with a sensor for sensing a human body approaching, the sensor sends sensing signals for indicating the human body approaching to the control module, and the control module controls the back light on-off action of the liquid crystal display after receiving the sensing signals sent by the sensor. By using the infrared human body-sensing technology, the back light lamp of the liquid crystal display of an information release terminal can automatically lights when a human body approaches to an area with a radius of 3-8 meters, and the back light lamp can is delayed 1-5 minutes after the human body is away from the area. The invention has the advantages of simple structure and convenient operation, and can effectively reduce energy waste and prolong life of products.

Regenerative hot rolled strip heating furnace and slab heating process

The invention provides a regenerative hot rolled strip heating furnace and a slab heating process, belonging to the technical field of regenerative heating furnace equipment and slab heating processes. The heating furnace and the slab heating process are used for heating slabs. According to the technical scheme, the heating furnace is characterized in that a hearth of the heating furnace is provided with a first heating zone, a second heating zone and a soaking zone; each heating zone adopts an air-gas double regenerative burner structure; the hearth temperature of the first heating zone is 1150-1200 DEG C and the heating load of the first heating zone is 40-50% of the rated load; the hearth temperature of the second heating zone is maintained at 1250-1280 DEG C and the heating load of the second heating zone is 40-50% of the rated load; the furnace temperature of the soaking zone is 1230-1250 DEG C and the heating load of the soaking zone is 15-20% of the rated load. By adopting the heating ...