Metal armouring rigid coaxial cable

Liquid anti-caking agent for compound fertilizer

The invention relates to a liquid anti-caking agent for a compound fertilizer, which consists of 1 to 50 weight percent of aqueous polymer, 1 to 50 weight percent of surfactant, and the balance of water. The surfactant is one or combination of any of an anionic surfactant, a non-ionic surfactant, a cationic surfactant and an amphoteric surfactant. Optionally, one ore more additives which are selected from a defoaming agent, a preservative, a dye and a pigment can also be added into the liquid anti-caking agent for the compound fertilizer; and the consumption of the defoaming agent is 0 to 5 weight percent, the consumption of the preservative is 0 to 5 weight percent and the total consumption of the dye and the pigment is 0 to 50 weight percent. The liquid anti-caking agent for the compound fertilizer can effectively solve the caking problem of a compound fertilizer product, particularly the caking problem of a compound fertilizer with high nutrient content such as a high nitrogen compound ...

Metal armouring rigid coaxial cable

This invention relates to a metallic armored rigid coaxial cable including an inner conductor, a dielectric layer, an outer conductor and an outer jacket characterizing that the inner conductor is oxygen-free copper wire, the dielectric layer is formed by step cylindrical blocks in series matched in convexes and concaves of heads and tails made of multiple sets of polysulfone, polyethersulfone, polyimide and PEEK engineering plastics, the outer conductor is oxygen-free copper pipe and the jacket is made of the engineering plastics. Advantages: reliable transmission, high mechanical performance, anti-radiation, anti-aging, fire and good in air-tightness.

Lithium battery adhesive tape visual detection method and system

The invention discloses a lithium battery adhesive tape visual detection method and system, and relates to the technical field of lithium battery visual quality detection.The lithium battery adhesive tape visual detection method comprises the steps that a production batch association table is determined according to a production log, a production batch line is established based on production batches, and a plurality of sampling nodes are inserted for the production batches firstly; the method comprises the steps of determining a boundary of a to-be-detected adhesive tape entity, performing visual image analysis on the to-be-detected adhesive tape entity corresponding to the sampling node, delimiting an image detection area based on the determined boundary, analyzing the image detection area, determining an abnormal characteristic value, and determining a production batch needing quality detection according to the abnormal characteristic value. The accuracy of quality problem detection of ...

System for monitoring loosening part of nuclear reactor and coolant system

The invention provides a system for monitoring loosening parts of a nuclear reactor and a coolant system, solving the problems of reliability, compatibility, stability and maintenance convenience andcomprising an accelerometer, a charge amplifier, signal conditioning equipment, loosening part detection equipment, alarm processing equipment, sound monitor equipment, data collection equipment, a display, loosening part monitor software and the like. The system adopts a PXI bus technology so as to enable every two modules to be synchronized; a signal conditioning module adopts an FPGA programmable technology; a DSP digital technology is adopted to discriminate a loosening part event; loosening part signal length effective value floating discrimination, time delay, channel recheck combination discrimination, alarm prohibition caused by alarm channel recheck, control rod motion or coolant low pressure, and the like ensure that the system has a strong wrong alarming resistance capacity; the data ...

Lithium battery measurement and calibration method and device

The embodiment of the invention provides a lithium battery measurement and calibration method and device, and the method comprises the steps: controlling a calibration board to carry out preset movement operation, determining at least two target postures, obtaining initial images of the at least two target postures, determining target pixel points of the initial images, and carrying out the measurement and calibration of the at least two target postures; matching the target pixel point with a target position of the calibration plate, determining a target image, determining an initial measurement parameter of the camera according to the target image based on a preset calibration mode, correcting the initial measurement parameter according to a preset correction mode, determining a target measurement parameter, and measuring the lithium battery based on the target measurement parameter to obtain target data. The calibration board is controlled to carry out the preset movement operation to ...

Linear array camera automatic white balance method for raw material detection equipment

The invention discloses a line-scan digital camera automatic white balance method for raw material detection equipment. The method comprises the following steps: connecting a detection system in the raw material detection equipment with a line-scan digital camera; the detection system collects a material image of a to-be-detected material for detection, and the detection system is determined to be in a white balance preparation state according to a detection result; performing data processing on the material image, obtaining edge data of the to-be-detected material, and determining an edge position of the to-be-detected material; carrying out abnormal value processing on the edge data, obtaining an effective statistical frequency of an edge position, and setting the detection system to be in a white balance starting state according to the effective statistical frequency; and the line-scan digital camera automatically performs white balance, and sets the detection system to be in a white ...

System for monitoring loosening part of nuclear reactor and coolant system

The invention provides a system for monitoring loosening parts of a nuclear reactor and a coolant system, solving the problems of reliability, compatibility, stability and maintenance convenience and comprising an accelerometer, a charge amplifier, signal conditioning equipment, loosening part detection equipment, alarm processing equipment, sound monitor equipment, data collection equipment, a display, loosening part monitor software and the like. The system adopts a PXI bus technology so as to enable every two modules to be synchronized; a signal conditioning module adopts an FPGA programmable technology; a DSP digital technology is adopted to discriminate a loosening part event; loosening part signal length effective value floating discrimination, time delay, channel recheck combination discrimination, alarm prohibition caused by alarm channel recheck, control rod motion or coolant low pressure, and the like ensure that the system has a strong wrong alarming resistance capacity; the ...

Closed loop method based on lithium battery lamination process

The invention discloses a closed-loop method based on a lithium battery laminating process, which comprises the following steps: in the process of laminating an upper layer of coating material and a lower layer of coating material which are coated with a coating layer in the middle into a material, respectively detecting the offset positions of the upper layer of material and the lower layer of material and the coating layer before and after pre-laminating through a CCD (Charge Coupled Device) visual detection system; a deviation displacement amount is calculated; the deviation displacement is fed back to a deviation corrector, and the deviation corrector adjusts the deviation positions of the upper-layer coating material and the lower-layer coating material according to the deviation displacement. The CCD visual detection system is additionally arranged on the upper and lower layers of coating materials, the positions of the upper and lower layers of materials and a coating layer before ...

Sliding system facilitating rapid installation of membrane material

The invention discloses a sliding system convenient for quickly installing a film material, which comprises a main shaft, a rectangular film material roll is sleeved on the main shaft, and one end of the rectangular roll film is fixed on the surface of the main shaft; the number of the sleeves is two, the two ends of the main shaft are sleeved with the sleeves respectively, the rectangular rolled film is clamped between the two sleeves, at least two bearings are arranged between the sleeves and the main shaft side by side, the main shaft is sleeved with inner rings of the bearings, and the sleeves are sleeved with outer rings of the bearings; and a lifting lug is arranged outside the sleeve. The method has the technical characteristics of high operability, safety, high efficiency, good economical efficiency and the like.

Large wire diameter special insulating conductor and manufacture process thereof

The invention belongs to the field of nuclear grade special insulating conductor, in particular to a large wire diameter special insulating conductor and a manufacture process thereof, which aim to solve the problems that the prior extruding technology cannot realize insulation on large wire diameter conductors, and the prior insulating conductor has reduced insulativity after long-term use. The large wire diameter special insulating conductor consists of a large wire diameter inner conductor (1) and an insulating layer, wherein the inner conductor is made of a copper material; the insulatinglayer adopting high performance engineering plastics is attached to the conductor. The process for manufacturing the large wire diameter special insulating conductor mainly comprises five steps, namely aligning the inner conductor, processing the surface of the inner conductor, fusing an insulating material, coating the insulating material on the conductor, and cooling and solidifying. The conductor ...

Wastewater treatment device

The utility model discloses a wastewater treatment device, and belongs to the technical field of sewage treatment. The wastewater treatment device comprises a purification tank, a sludge recovery tank, a dehydration mechanism, a wastewater clean water tank, a primary filtering mechanism and a filtering bin. A water inlet pipe is arranged on one side of the top of the purification tank, an overflowpipe communicated with one end of a primary filtering mechanism is arranged on the other side, the other end of the primary filtering mechanism is communicated with a filtering bin, and a water outlet is formed in the bottom of the filtering bin; wherein at least one purification tank is arranged in the purification tank, a precipitation plate is arranged in the purification tank, a sludge hopperis arranged at the bottom of the purification tank, and outlets in the bottoms of the sludge hoppers are communicated through a communication pipe; one end of the communicating pipe is connected witha return ...

Mineral insulating assembly, preparation method and safety device having mineral insulating assembly

The invention discloses a mineral insulating assembly, a preparation method and a safety device having the mineral insulating assembly. The mineral insulating assembly comprises a mineral insulating assembly protecting jacket, conductor wire cores and magnesium oxide and/or silicon dioxide insulating media, wherein the conductor wire cores are arranged in the mineral insulating assembly protecting jacket, and the mineral insulating assembly protecting jacket is filled with the magnesium oxide and/or silicon dioxide insulating media; the front end and the rear end of the mineral insulating assembly protecting jacket are sealed by virtue of sealing glass, the conductor wire cores sequentially penetrate through the sealing glass at the front end of the mineral insulating assembly protecting jacket, the magnesium oxide and/or silicon dioxide insulating media and the sealing glass at the rear end of the mineral insulating assembly, and no clearance exists between the sealing glass and the magnesium ...

Lithium battery material measurement and correction method and device

The embodiment of the invention provides a lithium battery material measurement correction method and device, and the method comprises the steps: determining a first distance between a measurement camera and a lithium battery material, and determining an error distance according to the first distance and a second distance, the second distance is a calibration distance from the measurement camera to the calibration material determined before measurement correction, the size of the lithium battery material is corrected according to the error distance and a first included angle, and the first included angle is a calibration included angle from the measurement camera to the lithium battery material determined before measurement correction. The first distance between the measurement camera and the lithium battery material is determined, the error distance is determined according to the first distance and the second distance, and the size of the lithium battery material is corrected according ...