42results about How to "Avoid overprocessing" patented technology

The invention provides a heat regeneration method for waste rubber. The method comprises the following steps of: feeding a waste rubber crude powder material/environmentally-friendly softening agent/powder auxiliary material in the weight ratio of 100/8-150/20-1,500 into a stirring heater, performing anoxybiotic heating, introducing into a stirring cooler and cooling to the temperature of less than 100 DEG C so as to obtain a product; or partially or completely extracting the powder auxiliary material in the fed materials for slow feeding, adding the extracted powder auxiliary material into the stirring heater before the materials which are put into the stirring heater at an early stage are discharged, or/and adding the extracted powder auxiliary material when a hot material is introduced into the stirring cooler, cooling the mixture to the temperature of less than 100 DEG C and discharging; or initially mixing the materials in a formula, guiding the mixture into a screw extruder, allowing the mixture to pass through a heating section and a mixing section, cooling the material to the temperature of less than 100 DEG C and discharging a product; or performing thermal cracking on all-known waste rubber through heat regeneration or establishing a multi-direction migration relation for a material or/and energy in the process of preparing carbon black from fuel oil and fuel gas.

The invention discloses a gel fracturing fluid prepared from oilfield sewage and a preparation method thereof. The gel fracturing fluid comprises the following components in percentage by weight: 0.01-1% of water quality regulator, 0.01-0.5% of bactericide, 0.1-0.8% of thickener, 0.1-0.5% of crosslinking agent, 0.01-0.5% of viscosity breaker and the balance of oilfield sewage. The gel fracturing fluid prepared from oilfield sewage has favorable temperature resistance and shear resistance, and satisfies the demands for on-site construction. The gel fracturing fluid prepared from oilfield sewage relieves the demands of hydraulic fracturing for water resources, and solves the problem of treatment of oilfield sewage. The gel fracturing fluid prepared from oilfield sewage has the advantages of favorable clay swelling resistance and low formation damage rate, thereby reducing the use of the antiswelling agent and saving the cost. The gel fracturing fluid prepared from oilfield sewage has wide formation application range, avoids damage to the formations which are sensitive to alkali, acid and the like, has favorable economic benefit and environmental benefit, and is suitable for popularization and application.

The invention discloses a method for preparing ternary ethylene propylene vulcanized rubber powder master batches, products and application. The preparation method comprises the following steps of: mixing 40 to 100-mesh rubber powder of waste ternary ethylene propylene rubber and a large amount of softening agent or a softening agent and a vulcanization system material at normal temperature, and standing the mixture for one day and one night under common room temperature condition to obtain the ternary ethylene propylene vulcanized rubber powder master batch 1; or adding the ternary ethylene propylene vulcanized rubber powder master batch 1 into common ternary ethylene propylene mixing glue to obtain the ternary ethylene propylene vulcanized rubber powder master batch 2; or adding the ternary ethylene propylene vulcanized rubber powder master batch 1 into common conductive or antistatic ternary ethylene propylene mixing glue to obtain the conductive or antistatic ternary ethylene propylene vulcanized rubber powder master batch 3. The ternary ethylene propylene vulcanized rubber powder master batches 1, 2 and 3 can be used as independent products. The products are applied to any rubber product of a rubber plate, a coiled material, a sealing element, a shock absorption piece and a rubber roller of any one or a combined system rubber material of ternary ethylene propylene rubber and butyl rubber, wherein the tensile strength of the rubber product is 1.8 to 18MPa.

The invention relates to the technical field of contaminated soil remediation, particularly to a classified thermal desorption repair system and technology of organic contaminated soil. The classified thermal desorption repair system of organic contaminated soil comprises a preheater system, a high-temperature thermal desorption kiln system, a low-temperature thermal desorption device system and a soil discharging system, wherein the preheater system, the high-temperature thermal desorption kiln system, the low-temperature thermal desorption device system and the soil discharging system are communicated in sequence. According to the classified thermal desorption repair system and technology of organic contaminated soil, the high-temperature tail gas generated by the high-temperature thermal desorption kiln system is fully used through arranging the preheater system, so that the use ratio of thermal energy is improved; organic contaminated soil with different degrees of contamination is treated through the high-temperature thermal desorption kiln system and the low-temperature thermal desorption device system, so that the energy consumption of thermal desorption treatment is greatly decreased, and the operation cost is low.

The invention relates to a natural fruit and vegetable anti-mildew and antibacterial combined fumigation granule. The combined fumigation granule comprises a fumigation composition and an adsorbing granule. The fumigation composition is prepared from the following components by weight percent, 15-65% of essential oil, 35-85% of vegetable oil and 0.1-1% of antioxidant. The adsorbing granule is madeof a porous material of natural origin, and the adsorbing granule is made from one or a combination of corn cob, activated carbon, akadama soil and vermiculite. Essential oil slow-release fumigationgranule raw materials are all derived from nature or plants itself, and are safe and non-toxic to use; excessive treatment of fruits and vegetables is avoided, and space, equipment and personnel inputrequired for treatment are saved; the use method is simple, only a certain quantity of granule products is weighed and placed in a net bag, the net bag is placed and/or hung in different positions ofa storage space, and finally continuously protecting fruits and vegetables from being contaminated by bacteria is realized, and the granule does not directly touch the surfaces of fruits and vegetables. The granule can be widely used in the fields of fruit and vegetable transportation and fruit and vegetable storage.

The invention provides a method for removing segment membranes from citrus. The method is characterized by comprising the following steps: (1) adding the alkaline liquid of 0.8%-1% pectinase with the activity thereof being higher than 150,000U/ml to water, and adjusting the pH value of the water to 9 by sodium carbonate to obtain enzymolysis liquid; (2) heating the enzymolysis liquid until the temperature of the enzymolysis liquid is increased to 45 to 50 DEG C; (3) feeding the enzymolysis liquid and citrus segments by weight ratio of 2:1 to an enzymolysis tank; (4) stirring in the presence of compressed air with the pressure thereof being 0.2MPa to 0.4MPa for 25 to 35 minutes; and (5) taking out and rinsing the citrus segments with clear water after visually indicating that most segment membranes are removed from the citrus, manually sorting, canning, adding syrup, sealing and sterilizing to obtain citrus cans.

The invention relates to a magnetotelluric denoising method and system. The method comprises the steps of carrying out the overlapping segmentation of a magnetotelluric pulsation signal, determining the approximate entropy of each sounding data segment, determining the sounding data segment with the approximate entropy greater than an approximate entropy threshold as an effective sounding data segment, and determining other sounding data segments as to-be-denoised sounding data segments; selecting approximate entropy to screen the data segments, so that 'over-processing' of the effective sounding data segments is prevented; performing singular value decomposition on the to-be-denoised sounding data segments, multiplying the decomposed singular value matrix, the left singular matrix and theright singular matrix to obtain a plurality of component matrixes, constructing corresponding component data segments, determining the approximate entropy of each component data segment, and summingthe screened component data segments of which the approximate entropy is greater than the approximate entropy of the sounding data segments; obtaining denoised sounding data segments, and achieving the purpose of denoising; and finally, reconstructing the denoised sounding data segments and the effective sounding data segments to obtain a reconstructed denoised magnetotelluric pulsation signal, thereby improving the accuracy of data denoising.

The invention relates to an image fuzzy processing method of an intelligent inspection system of power transmission lines based on artificial intelligence, and the method comprises the steps: obtaining gradient distribution of a standard image and a fuzzy image, calculating fuzzy degree of the images according to the difference between the gradient distribution of the standard image and the fuzzy image, enhancing the fuzzy image, and obtaining a semi-clear image; clustering the calculated gray difference data of each pixel in the blurred image and the semi-clear image, obtaining the average gray difference and the weight of each class, calculating the sum of the average gray differences of the whole image, and calculating the size of a blurred image block in combination with the average gray difference of each class so as to obtain a sliding window, and carrying out sliding window operation on the semi-clear image; and obtaining an image block corresponding to the window equal to the sum of the average gray difference as a final Patch block, calculating a blurring kernel, and deblurring the semi-clear image to obtain a clear image. When the invention is used for deblurring, the image information of the blurred image is reserved, and the subsequent over-processing on the partial region of the semi-clear image can be effectively avoided.

The invention relates to a method for improving quality of cut tobacco in recovered silver cut stems and a treatment system and belongs to the technical field of tobacco processing. Firstly, the silver cut stems are subjected to moisture regain treatment with a normal-temperature moisture regain process and then sieved and loosened with a special-shaped sieve, then, cut stems and cut tobacco are separated through air separation equipment, finally, the recovered cut tobacco is dried with a normal-temperature drying process. The separation accuracy and effect of the cut stems and the cut tobaccoare improved, the sensory quality of the recovered cut tobacco is not affected by thermal processing treatment, the application range of the recovered cut tobacco is enlarged, and the economic valueof the recovered cut tobacco is increased.

The invention provides a power-on control method and device for a low-voltage storage battery of an electric automobile and the electric automobile, and relates to the field of power-on processing ofthe low-voltage storage battery of the electric automobile. The power-on control method for the low-voltage storage battery of the electric automobile comprises the steps: obtaining a performance reduction judgment result of a previous power-on period of a current power-on period of the low-voltage storage battery and the awakening frequency Ni of a controller in the power-on process of the low-voltage storage battery; determining a low-voltage power-on mode of the current power-on period of the low-voltage storage battery according to the performance reduction judgment result and the wake-upfrequency Ni; and obtaining a performance reduction judgment result of the low-voltage storage battery in the current power-on period when the low-voltage storage battery is powered on according to the low-voltage power-on mode and the awakening frequency of the controller. According to the embodiment of the invention, the stability and stationarity of the output voltage in the power-on process ofthe low-voltage storage battery are ensured by detecting the performance degradation of the storage battery and awakening the controller by stages, and the driving feeling is ensured.

The invention discloses a jade ultrasonic engraving machine. The machine comprises a machine base, a conveying device, an ultrasonic engraving device and a workpiece feeding device; the conveying device comprises a rotating disc and a rotating driving mechanism; a plurality of tool groove holes are annularly and evenly distributed in the rotating disc; the rotating driving mechanism is in transmission connection with the rotating disc; the ultrasonic engraving device comprises an engraving head; the workpiece feeding device comprises an ejector rod part, an electronic ruler, a balance weight mechanism, a limiting mechanism and a controller; the engraving head and the ejector rod part are vertically and oppositely arranged on the upper side and the lower side of the rotating tracks of the tool groove holes; the balance weight mechanism is in transmission connection with the ejector rod part; the electronic ruler is used for detecting the position of the ejector rod part in the verticaldirection in real time; the limiting mechanism comprises an electric control limiting driving assembly capable of being in transmission connection with the ejector rod part; and the controller is configured to be used for controlling the electric control limiting driving assembly to operate after receiving signals of the electronic ruler. According to the jade ultrasonic engraving machine, the real-time machining progress can be fed back through the electronic ruler, and meanwhile pressure needed in the machining process is set through the balance weight mechanism.

The invention relates to a multi-grade double-effect damage-prevention bast fiber treatment device. A treatment roller is provided with several groove holes, roller teeth are buried in the groove holes, springs and sleeves are arranged at the lower portion of the roller teeth, when under the effect of large external force, the roller teeth can be retracted into the groove holes, and then it is avoided that when the external force is too large, the roller teeth are damaged, so that the roller teeth are protected. The treatment roller is divided into several different areas in sequence accordingto the walking direction of a to-be-processed material, each area is internally provided with a corresponding treatment plate, groove hole, roller teeth, sleeve and spring, wherein the sleeves and the springs are matched with the roller teeth, the springs in the sleeves in different areas have different kinds of maximum elastic force, and the springs in spring rods in different areas have different kinds of maximum elastic force. Besides, according to different to-be-treated materials, the springs with the different kinds of maximum elastic force are replaced, so that the adaptability of a roller is also further improved, and the bast fiber can also be prevented from being damaged.

The invention discloses a swirler air flow controllable abrasive flow machining method and machining plugging device. The method comprises the steps that: an air flow initial value of a to-be-machinedchannel on a to-be-machined swirler is measured, a variable quantity is determined through a circulating abrasive flow machining method, the maximum machining cycle index is determined according to the air flow maximum value of the channel to be machined and the variable quantity of one-cycle machining, the product of the maximum machining cycle index and the variable quantity of one cycle machining is smaller than the air flow maximum value of the to-be-machined channel, and abrasive flow machining is conducted on the to-be-machined channel according to the maximum machining cycle index, andthe to-be-machined channel is subjected to finish machining till air flow of the to-be-machined channel meets the design requirement. The controllable abrasive flow machining is used, the requirementthat an air flow value of a swirler meets the requirement of a high-precision design drawing can be met, a design flow requirement can be met through one-time machining, repeated rework is not needed, and uniform thinning of the surface of a part flow channel is not needed. The problem of uneven manual polishing and repairing of workers is avoided, and the machining quality stability is improved.

The invention discloses a non-destructive grinding method and device for a welding column of a CCGA device. The method comprises the steps of carrying out potting on the welding column end of the CCGA device to be trimmed through adopting a method for carrying out potting on the welding column of the CCGA device to be trimmed through injection molding resin, then grinding the potted welding column end of the CCGA device to be trimmed until the remaining height of the welding column meets the design requirement, fixing the welding column through adopting an injection molding method before being ground so as to ensure that the side wall of the welding column cannot be damaged in the grinding process, the perpendicularity of the welding column cannot become poor, and finally, removing injection molding resin for potting the welding column in a chemical dissolution mode after grinding is completed. Therefore, no mechanical stress exists in the whole process, lossless grinding of the welding column is achieved, the welding column deformation and damage caused by mechanical clamping can be greatly reduced, and the method has important application value for manufacturing high-reliability CCGA and has good application prospects and economic benefits. Through detection, high-quality welding column grinding with the perpendicularity within 3 degrees and no mechanical damage to the side wall can be achieved, and the method is superior to a column planting grinding method in the current industry.

The invention relates to a non-woven fabric bag trepanning machine. A rack is included and provided with a feeding platform, a bag body expanding mechanism and a trepanning mechanism. The bag body expanding mechanism comprises a transmission assembly and a tight expanding assembly. The transmission assembly comprises a horizontal sliding frame, a lead screw, a horizontal drive motor, an upper negative pressure suction pipe, a lower negative pressure suction pipe, an upper drive air cylinder and a lower drive air cylinder. The rack is provided with a horizontal track. A vertical track is arranged on the horizontal sliding frame. The lead screw is rotationally arranged on the rack. The horizontal sliding frame is in threaded connection to the lead screw. The vertical downward side of the upper negative pressure suction pipe is provided with an upper adsorption port, and the vertical upward side of the lower negative pressure suction pipe is provided with a lower adsorption port. The tight expanding assembly comprises a tight expanding module, and the tight expanding module is provided with hole-position-corresponding die hole positions. By adoption of the above scheme, the non-wovenfabric bag trepanning machine is provided, sewn non-woven fabric bags can be expanded, the parts needing trepanning are directly punched, and quantitative and high-precision production of non-woven fabric bags is achieved.