144results about How to "Will not affect production" patented technology

The present invention relates to a method for optimizing the topography and the geomorphology of a dump in a large opencast coal mine in the loess area. The method comprises: "soft base removal", "base gully filling", "smooth base blasting treatment", "base piling for skid resistance", "fan-shaped disposal and layered compaction", and other steps. According to the method provided by the present invention, based on the simulation of the original "plateau" geomorphology millions years ago in the loess plateau, the artificial landmine terraces mode of the traditional sloping land in the water and soil erosion area in the Loess Plateau are changed; and relying on the convenient conditions of the mining and moving soil, the large-scale earthwork is used to deploy and form the basin geomorphology to co-ordinate the hydrological topography, and micro-topography modification is used to reduce the generation of the surface runoff, so that under the premise of ensuring the stability of the dump, the geomorphology of the dump in the large opencast coal mine in the loess area is restored to the "plateau" geomorphology, and the foundation is provided for the restoration of ecosystems and biological diversity.

The invention relates to a repairing method of a valve, in particular to a sealing surface repairing method of a slurry valve. Aiming to provide the sealing surface repairing method of the valve, the valve on a process pipeline can be directly repaired without influencing production, and the repairing method has the characteristics of simplicity and low cost without dismantling the valve. The technical scheme comprises the following steps of: (1) cutting a transmission chain of an anti-rotating mechanism of a valve and a valve rod to ensure that the valve rod is provided with the freedom degree of rotating around an axis thereof and linearly moving along the axis thereof; and (2) pushing the valve rod to ensure that a valve flap at the front end of the valve rod is pressed on a valve seat, then rotating the valve rod to ensure that the valve flap rotates around the axis of the valve rod, and grinding between the sealing surface of the valve flap and the sealing surface of the valve seat until sediments and scarring objects on the sealing surface of the valve flap and the sealing surface of the valve seat are eliminated.

A novel intelligent electric flocculation treatment apparatus of power plant coal-containing wastewater is characterized in that the apparatus comprises a coal water primary precipitation tank (1), a secondary precipitation tank (3), a high frequency pulse power supply (7), a vertical electric flocculation box (8), a micro-aeration blower (11), a clarifier (14), a middle water tank (17) and a clear water tank (24), the middle-upper portion of the vertical electric flocculation box (8) is provided with a pole plate (9), the lower portion of the vertical electric flocculation box (8) is provided with a mud hopper (10), coal water goes through an elevator pump (18), enters the vertical electric flocculation box (8) and is electrically flocculated, the electrically flocculated coal water automatically flows into the clarifier (14) and is clarified, the clarified coal water flows into the middle water tank (17), the coal water is conveyed to a valveless filter (19) through a middle water tank elevator pump (18) and is filtered for reuse, an inlet water online turbidity meter (6) is in current connection with the high frequency pulse power supply (7), and the electric flocculation current is automatically adjusted according to the turbidity change of the inlet water. The running of the apparatus can be fully automatically controlled. The apparatus has the characteristics of novel technology, automatic control, stable running, energy consumption and investment cost saving, and substantial environmental and economic benefits.

The invention discloses a hook-type commutator product which comprises an insulator and commutator bars distributed on the outer circle of the insulator. Hooks are arranged at the top ends of the commutator bars, and upper hook pins and lower hook pins are arranged on the inner sides of commutator bars to be combined with the insulator. The hook-type commutator product is characterized in that the commutator bar are cylindrical copper shells before bar insulation grooves are formed, upper bar-shaped bodies and lower bar-shaped bodies are arranged at the upper ends and the lower ends of the cylindrical copper shells at equal distances before the cylindrical copper shells are formed, the upper bar-shaped bodies are segmented into inner parts and outer parts in the wall thickness direction, the inner parts are bent inwards and then form the upper hook pins, the outer parts are bent outwards and then form the hooks, the lower bar-shaped bodies are integrally bent inwards and then form the lower hook pins, and the cylindrical copper shells are formed by stamping and coiling copper plates. Through the product structure, small bar distance hook-type commutators can be efficiently manufactured with low cost. Meanwhile, the invention further discloses a technology and a mould for manufacturing the hook-type commutator product.

The invention relates to a method for preparing polymer polyol, which is mainly used for solving the problems that 2, 2'-azobisisobutyronitrile is taken as an initiator in the prior art, decomposed products block pipelines, and normal production is influenced; and moreover, the decomposed products of the 2, 2'-azobisisobutyronitrile are mixed in the product, and the product quality is influenced. The method adopts the mixture of styrene, acrylonitrile, polyoxyalkylene polyether polyol and macromonomer to prepare the polymer polyol at the reaction temperature of at least 90 DEG C with the existence of a radical initiator and solvent with medium chain transfer activity, wherein the radical initiator is selected from peroxide-2-n-butyric acid-tert amyl, and the usage of the radical initiator accounts for 0.1-0.8% of the total weight of monomer. The technical scheme better solves the problems, and the method can be used for the industrial production of the polymer polyol.

The invention discloses a contact sensing scarper mechanism and a full automatic vision printer and belongs to the field of printed circuit board (PCB) printers. A scraper lifting module of the mechanism is assembled with a scraper beam; a stepping motor, a screw rod and a slide rail are respectively assembled with a module seat; the screw rod is connected with the stepping motor through a synchronous belt wheel B, a synchronous belt and a synchronous belt wheel A and is connected with an upper sliding block seat; an upper sliding block is assembled with the upper sliding block seat; a lower sliding block seat is connected with the upper sliding block seat through an adjusting bolt; a lower sliding block is assembled with the lower sliding block seat; the upper sliding block and the lower sliding block are respectively matched with the slide rail; the upper end of a spring is connected with the upper sliding block seat; the lower end of the spring is connected with the lower sliding block seat; a photoelectric sensor is assembled with the upper sliding block seat; a sensing sheet which has sensing relation with the photoelectric sensor is arranged on the lower sliding block seat; a scraper seat is assembled with the lower sliding block seat; and a scraper is assembled with the scraper seat. The mechanism is movably assembled with a frame of the full automatic vision printer, so that the control of the mechanism is more intelligent, and the accuracy is higher.

The invention discloses a cache type non-stop PCB feeding device. The cache type non-stop PCB feeding device comprises a workbench and a PCB stock bin used for placing PCBs, wherein the PCB stock bin is located on the workbench, the bottom of the PCB stock bin is slidably connected with the workbench in the length direction, and the workbench is divided into a feeding station and a supplementing station; a jacking mechanism used for jacking the PCBs in the PCB stock bin upwards to a feeding position is arranged below the feeding station; and a locating frame is arranged on the feeding station, and a locating assembly used for locating the PCBs in the circumferential direction and a separating mechanism used for temporarily supporting the remaining PCBs in the stock bin when the jacking mechanism descends and the PCB stock bin retreats for supplementing are arranged on the locating frame. The cache type non-stop PCB feeding device is compatible with the PCBs of various sizes and specifications, the mechanism can realize feeding one by one after the stock bin is filled with the PCBs, after a certain number of materials is left, the separating mechanism is started, meanwhile, the jacking mechanism descends, the PCB stock bin retreats to a supplementing position and sends out a prompt signal to prompt adding, after the adding is completed, the materials are automatically connected with the separating mechanism, and non-stop feeding is realized.

The invention relates to an application of a furan coumarin compound, in particular to an application of a furan coumarin compound expressed in the general formula (I) and a composition thereof to protecting crops against the poison of an amide herbicide. The compound can be used for preparing a herbicide safener. The application of the furan coumarin compound has the beneficial effects that the harm of the herbicide to the crops can be reduced, the application scope of the herbicide is enlarged, the new application prospect is provided for the herbicide, the service life is prolonged, the development of new varieties is facilitated, and meanwhile, as the harm to the crops is reduced or eliminated, the yield of the crops is not affected.

The invention discloses a preparation method of sulfur-containing heavy calcium. The preparation method comprises carrying out wet grinding on phosphate rock and elemental sulfur particles, conveying the ground product into a ceramic filter or a thickener, removing a part of water, conveying the materials into a slurry process-based heavy calcium production device, feeding phosphoric acid into the device, carrying out reaction preparation, carrying out granulation and carrying out drying to obtain a finished product. The preparation method utilizes the existing phosphate rock wet grinding device and the heavy calcium production device to produce fertilizer containing two or more nutrients such as phosphor and sulfur, does not change the original technology route and provides a low-cost product up-gradation method for the traditional device. The product contains uniform elemental sulfur, greatly reduces material returning frequency and reduces dust explosion possibility.

The invention discloses a local electroplating apparatus of a mold. The local electroplating apparatus comprises an electroplating bath, a heater, an anode conductive rod and a cathode conductive seat, wherein the bottom and the inner side of the electroplating bath are provided with a drive unit for driving the cathode conductive seat to lift up and down; the drive unit comprises a motor, a leadscrew and a slide block, the slide block sleeves the lead screw, the cathode conductive seat is installed on the slide block, the cathode conductive seat is provided with a clamp for storing the mold,the upper end of one side of the electroplating bath is provided with a liquid injection valve, the lower end of the electroplating bath is provided with a liquid discharging valve, and a filter netis disposed on the upstream of the liquid discharging valve in the electroplating bath; and the local electroplating apparatus also comprises a concentration sensor, a liquid level sensor and a PLC controller. By adopting the local electroplating apparatus, the automatic local electroplating of the mold can be realized, the concentration of an electroplating solution can be detected in real time,the electroplating solution can be automatically replaced, the thickness of a plating layer is uniform, the appearance and the mechanical performance of the local plating layer of the mold are ideal,and the strength and appearance of the mold can be improved.

The invention relates to a movable composite valve formed by a stop valve and a ball valve, wherein, the cage sheath of stop valve is movably connected to the valve base; the valve base is movably connected with the valve body; the cage sheath has stuff holes; the valve element is movable; the valve rod is formed by lower stop valve rod and upper stop valve rod connected with spline; the upper stop valve rod is fixed with an active gear and an active cam while the active cam is above the active gear; the lower ball valve rod and upper ball valve rod of ball valve are connected via the connecting sheath; the upper valve rod is fixed with an inactive cam above the inactive gear; the inactive cam and the inactive gear are arranged with a clutch; the inactive gear is connected with the screw of upper ball valve rod; the active gear of stop valve is meshed with the inactive gear of ball valve; the active cam of stop valve is meshed with the inactive cam of ball valve. The cage sheath and the valve base are separated, with controlled quality and repaired property on site. And the invention uses cam device to improve the accuracy of seal position of ball.

The invention relates to a semi-finished product removing device of a doubling machine. The semi-finished product removing device of the doubling machine comprises a machine table, a bobbin supply rack, a doubling rack, a bobbin, a removing tank, a bracket, a sliding rod and an actuator, wherein the bobbin supply rack is arranged at the position, close to one end, of the front side of the machinetable, the bobbin to be wound with a wire is accommodated in the bobbin supply rack, a rotor is arranged in the middle of the front side of the machine table and used for removably installing the bobbin and driving the bobbin to rotate, the removing tank is arranged below the rotor, the bracket, the sliding rod and the actuator are arranged between the bobbin supply rack and the removing tank, theactuator is used for driving the sliding rod to move back and forth in the vertical movement direction, one end of the sliding rod is connected to the actuator in a sliding mode, and the other end ofthe sliding rod is fixedly connected to the bracket.

An online repair method of a gas pipe corrugation compensator is mainly applied for the repair of a corrugation compensator on a gas overhead pipeline. The method mainly comprises the following steps of: (1) firstly stopping leaking of a leak source of the compensator; (2) selecting a new compensator which is the same as the old compensator in shape and wave number but 200 mm greater than the oldcompensator in diameter, and then averagely cutting the new compensator into eight pieces of repair materials, wherein a bleeder is welded in a wave peak in the vicinity of a cut outside one piece ofrepair material, which is 2 m higher than the wave peak; and (3) jointing the eight pieces of repair materials in field and nesting the repair materials to the periphery of the old compensator, wherein the repair material with the bleeder is sleeved to the topmost side of the preceding compensator (ensuring the bleeder to be in a vertical state). A continuous weld is employed for welding; during the welding, nitrogen is introduced into the cavity of the new compensator and the pressure of the nitrogen is 0.6 MPa; a flow rate is decided by the calibre of a pipe in which nitrogen is introduced and then coke oven gas is evicted. The online repair method disclosed by the invention cannot cause stopping of a pipeline to affect production.

The invention discloses a method for separating and purifying human antithrombin-III from human cryoprecipitate-reduced plasma. The method comprises the operating steps of performing chromatography on the human cryoprecipitate-reduced plasma, performing S/D (solvent/detergent) virus inactivation, and performing affinity chromatography for the second time; performing ultrafiltration; performing sterilizing filtration; filtering with a 20nm nano-filtration membrane to remove viruses; subpackaging; performing freeze-drying; performing dry heat virus inactivation; separating and purifying human antithrombin-III from the human cryoprecipitate-reduced plasma; performing pre-filtration treatment, and then directly separating and purifying antithrombin-III (AT-III) out of the plasma by adopting an affinity chromatography technology; adding an appropriate amount of a protective agent, replacing pasteurella virus inactivation process with an S/D virus inactivation process to reduce the loss and activity and shorten the preparation time; then performing affinity chromatography for the second time to further purify the AT-III, and finally performing the steps of ultrafiltration, virus removal through nano-filtration with a 20nm nano-membrane, freeze-drying and the like, wherein the purity of the final product is more than 95%, the specific activity is more than 6IU/mg, the virus safety is high, and blood plasma can not be influenced during preparation to produce a downstream product.

A wet drawing method for manufacturing the aluminium clad steel wire used for electric engineering is characterized by that the semi-finished aluminium clad steel wire is drawn through multi-pass drawing die by drawing machine while the lubricating oil is applied.

The invention discloses a twin-roll cast-rolling device for aluminum alloy clean production and deep processing. The twin-roll cast-rolling device comprises an oil absorption mechanism and a tractionwinding mechanism, and further comprises a cast-rolling mechanism, wherein the oil absorption mechanism is arranged on one side of the cast-rolling mechanism, and the traction winding mechanism is arranged on the side, far away from the cast-rolling mechanism, of the oil absorption mechanism; and the cast-rolling mechanism comprises a supporting table, a tundish, a discharging die, a cooling assembly and a forming assembly, and the tundish is connected to the top of the supporting table through bolts. According to the twin-roll cast-rolling device for aluminum alloy clean production and deep processing, the cooling assembly absorbs heat of liquid inside the discharging die, so that the liquid is solidified inside the discharging die, even a gap exists between the discharging die and a forming roller, normal production is not affected, and the function of adjusting the production thickness of aluminum alloy plates is also achieved; and through the arrangement of an oil spraying assembly, the situation that the production quality is affected due to the phenomenon of roll sticking on the surface of the forming roller is avoided, and the aluminum alloy plates can also be prevented frombeing corroded during later storage.

A wet drawing method of Al-enclosing steel wires for electrotechnics in the invention relates to a method for drawing the Al-enclosing steel wires by using a lubricant as a lubricating medium, wherein the lubricant is prepared by lubricating grease or an emulsion and other mediums.

The invention relates to a self-adaptive carton gripper applicable to household appliances. The self-adaptive carton gripper comprises a fixing support, a control unit, a rocker arm mechanism, corrugated suckers, flat suckers and horizontal fixing rods, the control unit is connected with the rocker arm mechanism, both the control unit and the rocker arm mechanism are connected on the fixing support, the horizontal fixing rods are connected with the rocker arm mechanism, the corrugated suckers are connected with the horizontal fixing rods, and the flat suckers are connected to the lower side of the fixing support; the control unit controls the rocker arm mechanism to move, the rocker arm mechanism drives the corrugated suckers to grip objects, and meanwhile, the control unit controls the corrugated suckers and the flat suckers to have the objected sucked. Compared with the prior art, the self-adaptive carton gripper has the advantages of safety and reliability, good part universality, lightweight and the like.

The invention provides a water pipe heating pipe residual heat boiler system arranged in a sintering machine flue and relates to the technical field of steel smelting equipment. The water pipe heating pipe residual heat boiler system comprises a large flue and a small flue of a sintering machine, a large flue heat pipe type evaporator, a small flue heat pipe type evaporator, a large flue primary water pipe type evaporator, a large flue secondary water pipe type evaporator, a small large flue primary water pipe type evaporator, a small flue secondary water pipe type evaporator, a steam pocket and a water feeding system, wherein the large flue and the small flue are provided with a plurality of gas guide pipes respectively. According to the water pipe heating pipe residual heat boiler system, the water pipe type evaporators and the heat pipe type evaporators are divided into a plurality of heat exchange modules to be directly arranged on the large flue and the small flue of the sintering machine, so that the reasonable and effective gradient utilization of energy sources is realized; equipment investment is saved and an occupied area is small; respective advantages of the water pipe type evaporators and the heat pipe type evaporators are fully played in a use process; the flue gas residual heat is recycled to the greatest extent; meanwhile, the production of the sintering machine is not influenced and the water pipe heating pipe residual heat boiler system can be widely applied to the industry of a steel enterprise sintering machine.

The invention provides a hair-protection unhairing and liming waste liquor recycling method in the tanning industry. In the method, an organic sulfur unhairing material is used to carry out hair-protection unhairing; sodium sulfide and lime are used to carry out liming processing; after solid impurities in liming waste liquor are removed, the liming waste liquor replaces water to be reused in theliming processing; after being circulated for 1 to 5 times, the liming waste liquor is processed by acid, so that sodium sulfide in the waste liquor is converted into hydrogen sulfide and proteins also generate precipitates; the generated sodium sulfide is adsorbed by using sodium hydroxide and is reused in the liming processing; after the proteins in the processed waste liquor are filtered, the processed waste liquor is reused for pre-soaking, so that the complete circulation of the liming waste liquor is realized.

The invention relates to a method for extracting and separating lupulone from lupulus. The method comprises the following specific steps: filling the compressed lupulus into a subcritical ultrasonic extractor, introducing an R134a mixed solvent into the extractor, dissolving the active ingredients of the extracted material in the R134a mixed solvent in a liquid state or a subcritical state, and pumping the filtrate into a separator; regulating the temperature and pressure so that R134a in the R134a mixed solvent is converted from liquid state into gas state, separating the R134a from the extracting solution, concentrating the methanol-containing extracting solution by virtue of a concentration evaporator so as to obtain the lupulus extract, and entering a crystallization section; adding a certain amount of lupulus extract into a reaction kettle, adding water, stirring, standing at room temperature, performing suction filtration, and collecting the insoluble substance; adding water to the insoluble substance, stirring, standing at room temperature, and performing suction filtration; and stirring and performing suction filtration, collecting the insoluble substance, thereby obtaining the crude lupulone. According to the method disclosed by the invention, a subcritical ultrasonic extraction technology is utilized, the R134a mixed solvent is taken as an extraction solvent, and the solvent can return to a high-purity state without being subjected to special treatment in production.

The invention provides equipment for drawing an instrument board. The equipment comprises a PC (personal computer), a compact disc face printer and an instrument board fixing base, the PC is connected with the compact disc face printer, the instrument board fixing base is fixedly mounted in a compact disc clamping groove of the compact disc face printer, thickness of the instrument board fixing base is smaller than or equal to depth of the compact disc clamping groove, and the instrument board fixing base is used for fixing the instrument board in the compact disc clamping groove. The equipment has the advantages that the equipment is low in cost, high in portability, high in maintainability and high in universality, so that production efficiency and applicability are improved.