22results about How to "Fast removal" patented technology

The invention relates to the technical field of steel strip cutting and slitting, in particular to cold-rolled steel strip slitting equipment which comprises a cutting mechanism, the cutting mechanism comprises a cutting knife used for cutting a steel strip, a first iron core is arranged on the side wall of the cutting knife in a sliding mode, and a first electromagnetic coil making contact with the first iron core is arranged on the outer gap of the first iron core in a sleeving mode; and the bottom end of the cutting knife is fixedly connected with a second iron core. After a steel belt is placed on the top of the cutting table, the steel belt can push a rotating wheel and a rolling frame to synchronously move upwards, the telescopic end of a first elastic telescopic rod drives a first conducting strip to slide on a first resistance plate, the current of a first sliding rheostat is detected through a current detection module in a PLC, and therefore the thickness of the steel belt is fed back; according to the thickness of the steel belt, the PLC controls current introduced into the first electromagnetic coil and the second electromagnetic coil, so that the cutting knife generates proper frequency to perform high-frequency vibration up and down and left and right.

The invention discloses a coronary heart disease treatment filter which comprises a filter cartridge with a liquid inlet formed in the upper end and a liquid outlet formed in the lower end. A blood guide plate, a first filter membrane, a second filter membrane and a third filter membrane are sequentially arranged in the filter cartridge from top to bottom at intervals; a blood guide hole penetrating through the upper end surface and the lower end surface of the blood guide plate is formed in the blood guide plate close to the left lower end of the blood guide plate; and the first filter membrane, the second filter membrane and the third filter membrane are obliquely arranged towards the lower right part in the filter cartridge. The device has the beneficial effects that the blood guide plate is used for guiding blood downwards, so that the blood can be prevented from splashing upwards in the filter cartridge as much as possible, and lipid substances in the blood of a patient can be well reduced after the blood conveyed into the filter cartridge is subjected to three-stage filtration through the first filter membrane, the second filter membrane and the third filter membrane; when the treated blood is subsequently transfused back to the blood vessel of a patient, the fat content in the blood is low, and the aggregation of thrombus in the blood vessel of the patient can be well relieved.

The utility model relates to the technical field of pectin removal devices, and discloses a pectin removal device for pigment pepper, which comprises an upper kettle body, a lower kettle body and a filter, a plurality of lug plates are arranged outside the upper kettle body, the lug plates are clamped and connected in buckling plates, the buckling plates are fixedly connected with the lug plates through bolts, and the filter is arranged on the lower kettle body. The buckling plate is integrally connected to the outer side of the lower kettle body, the lower kettle body is located at the bottom of the upper kettle body, a groove formed in the top of the lower kettle body is connected with the bottom of the lower kettle body in a clamped mode, a filter is movably connected into the lower kettle body, and a plurality of inserting plates are arranged at the bottom of the filter extending edge. According to the utility model, when the discharge pipe faces downwards, pigment pepper is mixed with pectin and separated through the filter, filter cloth can be placed on the filter, a rope of the filter cloth is bound on the insertion plate, and the pectin is filtered into the lower kettle body through the filter cloth and the filter, so that the device is convenient for filtering and separating the pectin and the pigment pepper; and the removal speed of the pigment capsicum pectin is accelerated.

The utility model belongs to the technical field of chemical equipment, and particularly discloses an efficient esterification reaction system for glyceryl triacetate. The system comprises an esterification tower and an esterification tank, a heater is arranged in the middle or the lower portion in the esterification tank, a feeding port II is formed in the bottom of the esterification tank, an evaporation port II is formed in the top of the esterification tank, a discharging port is formed in the bottom of the esterification tower, and an evaporation port I is formed in the top of the esterification tower. The lower part or the middle part of the esterification tower is provided with a feed port I, the feed port I is communicated with the evaporation port II through a pipeline II, one side or the bottom of the esterification tank is provided with a feed pipe, the feed pipe is communicated with a batching device or an ester separator at the upper part of the esterification tower, and the discharge port is higher than the feed port II. According to the utility model, the two stages of esterification devices are arranged, and the discharge hole of the esterification tower is communicated with the bottom of the esterification tank, so that the esterification efficiency can be improved, the reaction is more sufficient, and the energy consumption can be reduced.

Provided is a ceria particle for chemical mechanical polishing, and a slurry composition for chemical mechanical polishing containing the same. The surface of the ceria particle contains Ce 3+ and Ce 4+ When the ceria particle of the embodiment of the present application is used, by increasing the proportion of Ce 3+ on the surface of ceria, a high oxide film removal rate and an oxide film polishing selectivity ratio can be exhibited in a low content range, despite a small particle size.

The invention relates to the field of non-traditional machining, in particular to a hole forming method for a turbine blade. The hole making method provided by the invention comprises two steps: firstly, according to the spatial position and shape of a to-be-processed gas film hole of the turbine blade, completing electric spark forming processing of all gas film round holes and special-shaped gas film holes in the turbine blade; and then an electrolytic grinding combined machining head is used, the remelting layer with the expected thickness is removed through the combined action of electrochemical dissolution and mechanical grinding, and electrolytic grinding and polishing of the inner wall of the air film hole are achieved. According to the method, the problem of a remelting layer remained in the film hole in electric spark machining can be solved, the sharp corner position in the film hole is rounded, and stress concentration is avoided.

The invention discloses a mixing ejector and a reactor for removing hydrogen chloride phase and a removal method, comprising a feed nozzle, a suction sleeve and a discharge nozzle, which are all installed in the reactor and arranged in sequence along the material flow direction. The flow cross section of the feed nozzle gradually decreases along the material flow direction, and the inlet of the feed nozzle is connected with a feed pipe outside the reactor. The suction sleeve is divided into a connecting section, a negative pressure section and a diffusion section in sequence along the material flow direction. The connecting section is coaxially sleeved at the outlet of the feed nozzle. A plurality of through holes connected with the inside of the reactor are provided on the connecting section. The through holes are circumferentially and evenly spaced around the outer peripheral side of the outlet of the feed nozzle. The flow cross section of the negative pressure section gradually decreases along the material flow direction, and the flow cross section of the diffusion section gradually increases in the opposite direction of the material flow. The discharge nozzle is connected at the outlet of the diffusion section, so as to overcome the defect of high energy consumption in the existing production process of removing hydrogen chloride from chloride intermediates.

The invention belongs to the technical field of perchlorate treatment, and discloses application of graphene oxide / metal organic framework modified magnetic nanoparticles as a perchlorate extraction material, and an application method comprises the following steps: adding the graphene oxide / metal organic framework modified magnetic nanoparticles Fe3O4 (at) GO (at) MIL-53 (Al)-NH2 into perchlorate wastewater; according to the method, perchlorate is rapidly extracted under the action of external mechanical stirring, and then used Fe3O4 (at) GO (at) MIL-53 (Al)-NH2 is separated and recycled by virtue of a magnetic field, so that purified water is obtained. According to the Fe3O4 (at) GO (at) MIL-53 (Al)-NH2, magnetic ferroferric oxide serves as an inner core, a composite functional group composed of graphene oxide and a metal organic framework material is arranged on the surface, and the Fe3O4 (at) GO (at) MIL-53 (Al)-NH2 is used for extracting perchlorate and has the advantages of being high in extraction speed and extraction efficiency, easy to regenerate and the like.

The application provides a method for removing hydrogen chloride from a chloride intermediate, and belongs to the technical field of chemical production processes. The chloride intermediate is introduced into a mixer from a material inlet of the mixer, and enters a refining kettle through a two-way channel of the mixer; after the introduction of the chloride intermediate is stopped, refining gas is continuously introduced into the mixer from the material inlet of the mixer for purging, and the chloride is obtained. The method provided by the application can make the material in the refining kettle produce internal circulation by limiting the structure of the mixer, so as to play a role of sufficient stirring and accelerate the removal speed of hydrogen chloride in the chloride intermediate. The results of the examples show that, after the method provided by the application is used for purging for 30 min, the actually measured hydrogen chloride content can reach below 0.05 mg / L, the removal time is greatly reduced, and the annual energy consumption reduction rate can reach 87.5%.

The invention discloses a low-temperature methanol washing decarburization device, which relates to the field of low-temperature methanol washing, and comprises the following steps: carrying out decarburization treatment on rich methanol in a low-temperature methanol washing process by adopting a built-in filler device, and reducing the internal pressure of methanol, reducing the solubility of carbon dioxide and enhancing the removal effect of carbon dioxide under the action of a filler capillary tube; the retention time of carbon dioxide in the system is prolonged through filling of filler micropores, the heat exchange effect of a gas-liquid system is enhanced through the large specific surface area of the filler, and cold energy is fully recycled; and the filler has water absorption and can be used for removing water in methanol. The device is reasonable in structure, and the molecular sieve funnel is arranged, so that the carbon dioxide separation efficiency can be effectively improved, the cold energy recovery is improved, and the methanol water content is controlled. The molecular sieve funnel is arranged at the lowermost part of the tank body, so that the cold transfer can be effectively increased, the device investment is reduced, the energy is saved, and the low-temperature methanol washing process is stably carried out.

This invention discloses a coaxial laser and jet electrolysis composite machining system, belonging to the field of special machining technology, which can solve the problem of the high difficulty of laser and electrolysis composite machining of precision micro-holes in the prior art. The system includes: a laser unit, an output optical fiber, a machining head, a liquid supply unit, and a first power supply; the laser unit provides a laser beam to the output optical fiber; the machining head is provided with a laser channel, and the output optical fiber is disposed within the laser channel for transmitting the laser beam to the area to be machined on the workpiece; a conductive structure is coaxially disposed on the outer side of the output optical fiber; a liquid channel is provided on the machining head, and the liquid channel is connected to the nozzle of the machining head; the liquid supply unit provides electrolyte to the liquid channel, so that the electrolyte is coaxially jetted from the gap between the nozzle sidewall and the conductive structure into the area to be machined on the workpiece; the anode of the first power supply is connected to the workpiece, and the cathode of the first power supply is connected to the conductive structure. This invention is used for laser and electrolysis composite machining.

The invention relates to an electrochemical reaction system and application thereof.The electrochemical reaction system comprises an electrode set, a cathode chamber and an anode chamber, the cathode chamber and the anode chamber are separated by the electrode set, the electrode set mainly comprises a cathode, a porous aeration assembly and an anode, the porous aeration assembly is arranged between the cathode and the anode and is of a net-shaped structure formed by interweaving a plurality of aeration pipes, and the aeration pipes are arranged in the net-shaped structure. An aeration opening is formed in one side facing the anode chamber, and the other parts are sealed. The reaction system provided by the invention can realize isolation of the cathode chamber and the anode chamber and rapid diffusion of an acidic region, has excellent removal performance when being used for removing alkalinity of wastewater, and can prolong the service life of the electrode.

The invention relates to the technical field of quartz grinding, and discloses a full-automatic quartz piece grinding device which comprises a machine cabinet, a cavity is formed in the machine cabinet, an upper grinding unit is installed at the top of the machine cabinet, a lower grinding unit is installed below the upper grinding unit, a liquid drainage unit is installed on the surface of the upper grinding unit, and a lower motor is installed at the bottom of the cavity of the machine cabinet. The planetary gear rotates to drive the lead screw to rotate, then a pumping effect is generated in the oil flow channel, the problem that grinding liquid is difficult to evenly permeate into a grinding area is ingeniously solved through the design, especially the bottom position, tightly attached to a grinding face, of a grinding piece rotates along with rotation of the lead screw, and therefore the grinding effect of the grinding piece is greatly improved. And the grinding fluid is continuously pumped into the oil pumping channel and is smoothly discharged through the liquid discharging hole, so that the utilization rate of the grinding fluid is improved, and sufficient grinding fluid is ensured to be always kept in a grinding area for lubrication and cooling.

The application relates to the technical field of wastewater treatment, and discloses a method for rapidly degrading phenol by using iron in phenol-containing wastewater, wherein safe and nontoxic cysteine is selected as a reaction initiator, and meanwhile, reduction and complexation are realized, so that the reaction is rapidly started, and the pH range of a traditional Fenton reaction is widened; Cu 2+ is selected as a reaction intensifier, Fe 3+ / Fe 2+ circulation is accelerated, phenol is rapidly degraded, and the degradation of other organic pollutants is synergistically improved; without preparing and adding complex and high-cost iron-containing activators, a small amount of iron contained in the wastewater is used as a Fe 2+ source, and recycling is formed in the system, so that the pollutant removal speed is greatly improved, and the generation of iron sludge is reduced. The technology has the advantages of being green, efficient, simple to operate and low in cost.

The invention relates to a solar panel dust removal device and a solar panel dust removal system. The solar panel dust removal device comprises a charged assembly and a power module. The charge assembly is arranged on the light receiving side of the solar assembly at a preset distance, the charge assembly comprises a discharge electrode and a grid electrode which are arranged at an interval, and the discharge electrode is located on the side, away from the solar assembly, of the grid electrode; the power supply module is used for providing direct-current high-voltage electricity, a first output end of the power supply module is used for being connected with the discharge electrode, and a second output end of the power supply module is used for being connected with the grid electrode; a potential difference can exist between the discharge electrode and the grid electrode, a potential difference can exist between the grid electrode and the solar module, and the discharge electrode is used for discharging to generate charged ions so as to penetrate through grid holes in the grid electrode to be combined with dust on the light receiving side of the solar module for charging. Charged ions are generated through discharging of the charging assembly, so that dust particles on the surface of the solar panel obtain more charges, and the electric field force borne by the dust particles is improved.

The present application belongs to the technical field of groundwater pollution remediation, and particularly relates to a biological remediation composition for remediation of contaminated groundwater, a remediation agent, and a preparation method and application thereof. The biological remediation composition for remediation of contaminated groundwater comprises a composite bacterial flora, a slow-release carrier material, a nutrient slow-release agent, a surfactant, and a stabilizer; the composite bacterial flora is composed of the following bacterial strains: Bacillus subtilis, Pseudomonas putida, Desulfovibrio and Serratia marcescens. The biological remediation composition provided by the present application has high remediation efficiency and improves the removal rate of diesel oil, chlorophenol, and sulfadimethoxine.

The utility model relates to the technical field of sewage treatment devices, and discloses an urban sewage treatment device which comprises a screening bin, a sewage port is fixedly connected to the top end of the screening bin, a driving motor is fixedly connected to the rear end of the screening bin, and an impurity screening plate is fixedly connected to the driving end of the driving motor. The right end of the screening bin is fixedly connected with a water conveying channel and penetrates through the water conveying channel, the left end of the screening bin is connected with an impurity discharging channel through a screening assembly and penetrates through the impurity discharging channel, the inner wall of the right end of the screening bin is fixedly connected with a screening plate, and the driving end of the driving motor is connected with a plurality of first stirring rods through stirring assemblies. And the bottom end of the water delivery channel is fixedly connected with a sewage treatment bin. According to the utility model, the stirring efficiency of sewage is improved, so that chemical substances and the sewage are more uniform, solid particles can be conveniently discharged during sewage treatment, and the load of treatment equipment can be reduced by timely discharging the solid particles.

The invention discloses a chemical decontamination process for accelerating a pressurized water reactor nuclear power station primary circuit equipment component. According to the method, in the mode of externally applying direct-current voltage, current flows through the surface of a metal part of loop equipment to promote precipitation of surface metal oxide, meanwhile, under the action of citric acid, DTPA and sodium ascorbate, dissolution of a metal oxide film is accelerated, then the oxidation action of KMnO4 and HNO3 is used for converting insoluble trivalent chromium into soluble hexavalent chromium, and the hexavalent chromium can be separated out from the surface of the metal part of the loop equipment. Therefore, removal of the metal oxide film is promoted, efficient removal of the metal oxide film within a short time is achieved, and the method has a good application prospect.

The utility model discloses a cleaning device which is used for cleaning a battery. The cleaning device comprises a mounting base, and at least one cleaning assembly and a driving assembly which are arranged on the mounting base. Each cleaning assembly comprises a first cleaning piece and a second cleaning piece, the first cleaning piece and the second cleaning piece are arranged in the thickness direction of the battery, the battery penetrates through the space between the first cleaning piece and the second cleaning piece, and the first cleaning piece and the second cleaning piece are used for abutting against the battery in a rolling mode. The driving assembly comprises a first driving part and a second driving part, the first driving part is used for driving the first cleaning part to rotate in the first direction, the second driving part is used for driving the second cleaning part to rotate in the second direction, and the first direction is opposite to the second direction. By the adoption of the cleaning device, the cleaning effect and cleaning efficiency of the cleaning device on the battery are improved, and the problems that the cleaning effect is poor and the battery deforms due to the fact that the battery shifts in the cleaning process are solved.

The invention relates to the technical field of quartz grinding, and discloses a fully automatic grinding device for quartz parts, comprising a cabinet, a cavity is arranged inside the cabinet, an upper grinding unit is installed on the top of the cabinet, a lower grinding unit is installed below the upper grinding unit, a drainage unit is installed on the surface of the upper grinding unit, a lower motor is installed at the bottom of the cabinet cavity, a lower grinding disc is installed on the output shaft of the lower motor, the screw rod is driven to rotate by the rotation of the planetary gear, and then a pumping effect is generated inside the oil passage, the above design cleverly solves the problem that the grinding liquid is difficult to evenly penetrate into the grinding area, especially the bottom position where the grinding part and the grinding surface are tightly fitted, as the screw rod rotates, the grinding liquid is continuously pumped into the oil extraction channel and is smoothly discharged through the drainage hole, this improvement not only improves the utilization rate of the grinding liquid, but also ensures that the grinding area always maintains sufficient grinding liquid for lubrication and cooling.

The present invention discloses a biological preparation method of zero-valent iron sulfide and its application. The beneficial effects of the present invention are as follows: the preparation method of the present invention uses Geobacter sulfurreducens to prepare zero-valent iron sulfide. Geobacter sulfurreducens can reduce and remove the oxide on the surface of zero-valent iron on the one hand, and can accelerate the reaction of elemental sulfur and zero-valent iron on the other hand, so that the preparation method of the present invention has the advantages of fast reaction speed, high reaction efficiency, mild reaction conditions, and no energy consumption; in addition, the preparation method of the present invention uses elemental sulfur and zero-valent iron as reaction raw materials, the raw materials are rich in source, cheap and easy to obtain, low in cost, no pollution to the environment, and no need to consume a lot of energy, which is suitable for large-scale industrial production. In addition, the content of sulfur coated on the surface of zero-valent iron sulfide prepared by the preparation method of the present invention is high, the removal rate of Cr(VI) is high, and the removal speed is fast.