30results about How to "Play a role in removing" patented technology

The invention provides a sludge conditioning agent, an application thereof and a method for conditioning sludge. The sludge conditioning agent comprises a geopolymer and other conditioning additives. On one hand, the addition of the geopolymer remarkably improves a flocculation reaction of the sludge conditioning agent on the colloidal particles in the sludge conditioning process and improves the sludge dewatering effect, and on the other hand, toxic substances such as metal ions can also be surrounded in a cavity between the geopolymer molecules, so that a detoxification effect is achieved; meanwhile, the geopolymer can remarkably reduce the use of ferric chloride, quicklime and the like, so that the cost can be reduced, the corrosion of the ferric chloride on a pipeline in the mechanical dehydration process and the blockage of the quicklime on the pipeline and a filter cloth can be reduced.

The invention relates to a preparation method of foamed-aluminum sandwiched-structure materials and belongs to the technical field of aluminum brazing. The preparation method includes steps of mixing blazing filler metal with brazing flux into paste to apply on surfaces to be brazed of foamed aluminum and aluminum plates, assembling a to-be-brazed structure according to a mode of the aluminum plate/foamed aluminum/the aluminum plate, brazing in a furnace at the protective atmosphere to obtain the foamed-aluminum sandwiched-structure materials after totally drying. The brazing filler metal comprises, by mass percentage, 11-13% of Zn, 14-16% of Si, 0.8-1.2% of Fe, 0.1-0.3% of Mg, 0.2-0.4% of Mn and the balance of Al. The brazing flux comprises, by mass percentage, 40-50% of KF and 50-60% of AlF3. By adopting the novel brazing filler metal and the brazing flux and strictly controlling brazing temperature and time, the prepared foamed-aluminum sandwiched-structure materials have excellent performance. Complicated procedures in brazing are greatly reduced, operation efficiency is greatly improved, and cost is saved.

The invention provides a sealed mixing tank wall washing device, comprising a mixing system, a nozzle system and a ventilation system, wherein the mixing system is connected with the nozzle system, and the mixing system is connected with the ventilation system. According to the present invention, a lower end of a shaft is provided with a through hole, materials just below the shaft is pumped by a pump mounted on the bottom of the shaft and is sprayed to a tank wall through a nozzle on the top, solids coagulated on the tank wall is rinsed off, the tank wall is kept clean and the mixing effect of the materials is improved. The nozzle of the device is a direct flow nozzle which sprays liquid linearly, and is rotated with the shaft to rinse off the tank wall in all directions, thus the problem of some dead angles cannot be sprayed is prevented. The ventilation system is used for generating positive pressure, negative pressure and drying steam, and exhausting toxic gases for the apparatus.

The invention relates to an external traditional Chinese medicinal healthcare preparation with effects of beautifying features, relieving pain and relieving itching and a preparation method thereof. The effective ingredient of the traditional Chinese medicinal preparation is prepared from the following raw materials in parts by weight: 5-10 parts of pseudo-ginseng, 10-20 parts of costus roots, 10-20 parts of sappanwood, 10-20 parts of radix angelicae lateralis preparata, 10-20 parts of myrrh, 10-20 parts of coptis chinensis, 10-20 parts of cortex phellodendri, 10-20 parts of flos carthami, 20-30 parts of pittosporum roots, 20-30 parts of rheum officinale, 20-30 parts of mint, 5-10 parts of borneol, 10-20 parts of lithospermum purpurocaeruleum, 20-30 parts of salviae miltiorrhizae, 10-20 parts of philippine flemingia roots, 8-12 parts of rhizoma corydalis, 10-20 parts of menthol, 20-30 parts of shinyleaf pricklyash roots and 10-20 parts of honeysuckles. The external traditional Chinese medicinal healthcare preparation can play a role in quickly beautifying the features when externally used, has the effects of relieving pain and relieving itching vigorously, and has an obvious curative effect of quickly relieving pain on trauma symptoms of a traumatic injury, a knife wound, a burn and a scald.

The invention relates to a separation and purification method of canine immunoglobulin and application of the canine immunoglobulin, and the separation and purification method comprises the step of sequentially carrying out cation exchange chromatography and hydrophobic chromatography on a centrifugal supernatant of canine plasma to obtain the canine immunoglobulin. According to the separation andpurification method of the canine immunoglobulin, disclosed by the invention, the purity of the canine immunoglobulin can be improved by creatively carrying out a specific two-step chromatography combination mode, namely cation exchange chromatography and hydrophobic chromatography, on pretreated healthy canine plasma, so that the purity of a product is higher, and the content of impure protein is lower; and the application security is greatly improved. Compared with the traditional low-temperature ethanol precipitation process, the canine immunoglobulin yield loss caused by precipitation, deep filtration and dissolution processes is reduced, and 100-1000L of plasma raw material can be treated on the chromatography scale of 100L of medium, so that the method can be completely amplified toactual production.

The invention discloses a treatment method of low biochemical urban industrial park sewage. The method comprises the following step that the sewage passes through a circular type hybrid hydrolysis acidification reactor, a CASS reactor, a coagulation precipitation pond and a catalysis oxidation pond after being precipitated from a primary precipitation pond. According to the treatment method of the low biochemical urban industrial park sewage, a combined process of 'circular type hybrid hydrolysis acidification-CASS-coagulation precipitation-ozone oxidation' is adopted, a tertiary strengthening thought is adopted, removal of matter difficult in biodegradation is achieved, wherein an efficient circular hybrid hydrolysis acidification reactor is adopted to promote macromolecular organics in water to be hydrolyzed in to small molecule organics, and further the capacity of nitrogen removal by denitrification of organics in the subsequent CASS unit is improved; the coagulation precipitation pond is adopted to strengthen removal of partial organics and phosphorus on the part out of water of the CASS; an ozone oxidation technology is adopted to further strengthen removal of the organics, and the purpose that pollutants out of the water is stably standard is achieved.

The invention discloses a heparin sodium color removal method and relates to the technical field of heparin sodium purification method. The heparin sodium color removal method comprises the following steps that water is added for dissolution, sodium nitrite is added to regulate the PH value and salinity of the solution, the solution is degraded through ultraviolet lamp irradiation, diatomite having the concentration of 1% is added, then filtration is performed, 0.45-0.8% of ethylenediamine tetraacetic acid and 2.5% of sodium chloride solid are added in the filtrate, then ethanol with the alcoholic strength of 75 degrees or above is added, suction filtration, dewatering and drying are performed to obtain a heparin sodium product. Metal bridges between heparin sodium and protein impurities and an iron element can be effectively destroyed, a heparin sodium structure is also not destroyed, and the heparin sodium is small in activity damage, stable in quality and high in efficiency.

The invention discloses a preparation method of a deep sea environment corrosion-resistant coating , which comprises the following steps: continuously introducing inert gas, sputtering on the surface of a matrix to obtain a chromium-based coating, and then introducing dry gas to form a chromium/chromium nitride coating on the surface of the matrix; sputtering on the chromium/chromium nitride coating to obtain an amorphous carbon layer, and sputtering an amorphous carbon/chromium-based coating on the chromium/chromium nitride coating to obtain an initial corrosion-resistant coating; adding the initial corrosion-resistant coating into a solution for ultrasonic cleaning and wiping, under the pressure of 0.1-0.4 MPa, flushing the initial corrosion-resistant coating with dry gas, and then depositing the initial corrosion-resistant coating flushed with the dry gas again; and carrying out iterative deposition, and depositing an amorphous carbon functional layer on the iterated corrosion-resistant coating to obtain the deep sea environment corrosion-resistant coating. The deep sea environment corrosion-resistant coating prepared by the preparation method has relatively good corrosion resistance in a marine environment.

The invention provides a rolling bearing fault diagnosis method based on GAF-DRSN. The rolling bearing fault diagnosis method comprises the steps of performing fragmentation processing on a large-scale one-dimensional time sequence; converting the fragmented one-dimensional time sequence signal into a two-dimensional image with a reserved time feature based on a Gramb angle field principle; building a DRSN neural network model; a two-dimensional image obtained through one-dimensional time sequence conversion is used as input to train a DRSN network, and a fault diagnosis model for the rolling bearing is obtained; rolling bearing data with different fault features are mixed to build a two-dimensional data set, and the two-dimensional data set is used for testing and verifying the generalization ability of a diagnosis model. According to the method, the limitation that the ResNet network cannot adaptively extract time features in fault features is overcome, the capability of removing redundant information of the model is enhanced, and the reliability of the model diagnosis effect and the diagnosis accuracy are improved.

The invention discloses a kitchen oil fume purification method. The oil fume and odor in the kitchen air are sucked through a fan and are sent to a chemical reaction cabin; a chemical agent is atomized through an ultrasonic atomizing cabin; the atomized chemical agent is sent to a chemical reaction cabin through a pipeline and realizes chemical reaction with the oil fume; the reacted mist passes through a demisting cabin so as to realize mist-vapor separation. The invention further provides a device for implementing the method. The device comprises the chemical reaction cabin, wherein the chemical reaction cabin is connected with an oil fume collection hood; the ultrasonic atomizing cabin is arranged at one side of the chemical reaction cabin; the chemical reaction cabin is connected with the ultrasonic atomizing cabin; the demisting cabin is arranged at the other side of the chemical reaction cabin and is composed of at least one silk screen. According to the kitchen oil fume purification method and the device, both the oil stain and odor in the kitchen air can be eliminated, so that the purified oil fume can be emitted indoor and the problem that oil fume emission causes ambient environment pollution is solved.

The invention relates to the technical field of dust-removing equipment, in particular relates to a dust-removing device for furniture production. The dust-removing device for furniture production comprises a dust gas inlet pipeline, a dust-removing box, a fan, a water tank and an exhaust pipeline; a gas outlet of the dust gas inlet pipeline is fixedly connected with a first pipeline; a gas outletof the first pipeline is fixedly connected with the dust-removing box; an ash bucket is arranged below the dust-removing box; a through hole is formed at the bottom of the dust-removing box; the topof the ash bucket is in seamless connection with the side wall of the through hole; a dust discharge device is arranged below the ash bucket; the dust discharge device is communicated with the ash bucket; a gas pump is arranged outside the dust-removing box; the gas pump is communicated with the internal part of the dust-removing box through a second pipeline; the left side of the dust-removing box is connected with a third pipeline; the fan is fixedly arranged on the third pipeline; and a connecting hole in the left side of the water tank is connected with the exhaust pipeline. The ash bucketis arranged at the bottom of the dust-removing box and has the effect of filtering large-grain dust from the air, so that influence on the fan by the large-grain dust is avoided and the environment cleanness of a furniture production workshop is facilitated.

The invention discloses comprehensive treatment method for the whole fermentation reduction process of a kitchen waste anaerobic tower. The comprehensive treatment method comprises the following steps: 1, pretreating kitchen waste to obtain a waste material to be fermented; 2, mixing and blending the waste material sewage finally obtained in the step 1, and pumping the uniformly mixed sewage intoan anaerobic reactor through a lifting pump, and performing anaerobic fermentation for 5-25 days; 3, storing a large amount of biogas generated every day in the anaerobic process in the step 2, desulfurizing the biogas, feeding the desulfurized biogas into a biogas comprehensive utilization unit, and flowing the generated biogas slurry into a liquid storage pool; and 4, passing one part of the biogas slurry generated in the step 3 through a filtering system for a farmland drip irrigation system, and feeding the other part of the biogas slurry into a subsequent advanced treatment system. According to the comprehensive treatment method, kitchen waste can be effectively collected and treated, the waste is turned into available biogas and biogas slurry, waste is turned into wealth, and the burden of the waste on the environment is reduced.

The invention discloses a high-temperature catalytic filtering material, and belongs to the technical field of nitrogen oxide and dust filtering. The material comprises a PTFE microporous membrane, an adhesive layer located between a first non-woven fabric and the PTFE microporous membrane, the first non-woven fabric, a reinforcing fabric located between the first non-woven fabric and a second non-woven fabric and the second non-woven fabric which are connected in sequence. Compared with the existing filter material, the material disclosed by the invention is higher in low-temperature catalytic activity, longer in service life, higher in strength and higher in filtering efficiency.

The invention discloses a film coating device used for washing machine knob production, and relates to the technical field of knob production film coating devices. The film coating device aims to reduce dead corners of film coating. The film coating device specifically comprises a base, a knob and a distance adjusting mechanism, a treatment box is fixed to the outer wall of the top of the base through bolts, a first moving frame is fixed to the inner wall of one side of the treatment box through bolts, a through hole is formed in the outer wall of one side of the first moving frame, and a second moving frame is slidably connected to the outer wall of the distance adjusting mechanism. The outer wall of one side of the first moving frame is rotationally connected with a first screw, the outer wall of one side of the first screw is rotationally connected with a second sliding frame through a bearing, and the outer wall of the second sliding frame is slidably connected to the inner wall ofthe bottom of the first moving frame. By arranging the distance adjusting mechanism, the second moving frame can slide in the horizontal direction, and due to the fact that the position of the firstmoving frame is fixed, the distance between the second moving frame and the first moving frame can be adjusted through movement of the second moving frame.

The invention discloses a tinplate printing quality detection system which comprises a machine body shell, a working cavity is formed in the machine body shell, a water storage cavity with an upward opening is formed in the bottom wall of the working cavity, a filter screen is installed in the water storage cavity, a cleaning assembly capable of cleaning tinplate is arranged in the water storage cavity, and a hot water tank is arranged on the left side of the water storage cavity. A hot water cavity with an upward opening is formed in the hot water tank; a heating plate is mounted on the bottom wall of the hot water cavity; a dehumidifier can remove water vapor in the working cavity, so that the humidity in the working cavity is kept within a proper range; the detection module can shoot patterns on the tinplate, and then the color of the shot patterns is compared with a color library, so that whether the patterns printed on the steamed tinplate meet the standard or not is judged, and meanwhile, whether the tinplate has the phenomena of through printing, misting and black spots or not can be detected.

The invention provides a soft type cleaning device for textile fabric. The device comprises connecting columns, a sealing plate, sealing components, pulling plates, fixing columns, matching components, driving components, clamping components and fixing springs; a mobile component is of a cylindrical structure; a movement hole of a cylindrical structure is formed in the middle of the mobile component; a bearing ring of an annulus structure is installed in the movement hole through a connecting component; the bearing ring is embedded in a supporting column and is located above a supporting spring; the external side of the mobile component is connected with the fixing columns through the connecting columns by means of welding; the sealing plate is inserted into a fixed component at the external side of the mobile component; cleaning columns remove fluffs on the surface of the fabric during a fabric cleaning process; the cleaning columns are made of rubber; the cleaning columns are irregularly arranged on the inner wall of a main body so as to vibrate and whip the surface of the fabric to remove the fluffs on the surface of the fabric when the supporting column drives a mobile column to rotate.

The invention provides a feeding and discharging auxiliary device of a paper cup machine, and belongs to the technical field of paper cup machines. The problem that the production efficiency is low inthe prior art is solved by means of the feeding and discharging auxiliary device of the paper cup machine. The feeding and discharging auxiliary device of the paper cup machine comprises a fixing block, a feeding pipe and a first conveying belt, wherein one end of the fixing block of the paper cup machine is provided with the feeding pipe, and the first conveying belt is arranged at the lower part of the interior of the feeding pipe; furthermore, a storage battery is arranged on the outer side of one end of the feeding pipe, a feeding port is formed in the position located above one end of the first conveying belt, and a discharging port is formed in the top of the end, far away from the feeding port, of the first conveying belt; and the outer side of the end, far away from the storage battery, of the feeding pipe is provided with a dust remover, furthermore, the dust remover communicates with the feeding pipe, and the end, far away from the feeding pipe, of the fixing block is provided with a cup collecting pipeline. The feeding and discharging auxiliary device of the paper cup machine has the advantage of improving the production efficiency.

The invention relates to the technical field of hardware maintenance, in particular to a golden finger oxide layer erasing device for computer hardware. The golden finger oxide layer erasing device is characterized in that pressing rods are movably connected to the interior of a support frame in a penetrating manner; a pressing plate is fixedly connected to one end of each pressing rod and located at the outer side of the support frame; a rectangular sliding plate is fixedly connected to the other end of each pressing rod and located in the support frame; a rubber support plate is fixedly connected to the outer surface of each rectangular sliding plate; triangular sliding plates are connected to two ends of each rectangular sliding plate in a sliding manner; a limiting spring is fixedly connected between the inner wall of the support frame and the outer surface of each triangular sliding plate; a toothed plate is fixedly connected to one end of each triangular sliding plate; and a toothed ring is meshed with one side of each toothed plate. Airflow generated by fans can blow rubber scraps generated by friction away from the surface of a golden finger and blow the rubber scraps into dust suction pipes along dust through holes formed in the outer surfaces of the dust suction pipes, and an oxide layer on the outer surface of the golden finger can be conveniently observed and removed.