344results about How to "Guarantee normal production" patented technology

The invention relates to the field of blow molding machine mold closing frames, and discloses a blow molding electric mold closing frame which comprises mold closing mechanisms, the mold closing mechanisms are fixedly installed on the two sides of a blowing mechanism of a blow molding machine, and each mold closing mechanism comprises a front mold plate, a middle mold plate and a rear mold plate; one end of the front mold plate is connected with a mold plate shaft, and the middle mold plate and the rear mold plate are installed on the outer wall of the mold plate shaft in a sliding mode. The middle mold plate can be driven by the driving device to be close to or away from the rear mold plate. The front mold plate and the rear mold plate are fixed together under the action of the mold plate shaft, the middle mold plate slides on the mold plate shaft, the lead screw is driven to rotate through the transformation ratio of the synchronous belt and the synchronous wheel under the rotation of the servo motor, and the lead screw sleeve is fixed to the middle mold plate and moves forwards under the action of the lead screw to achieve the mold closing action. A mold closing spring is installed between the lead screw sleeve and the middle mold plate, and mold clamping force is continuously generated through the mold closing spring in the actual production process.

The invention relates to the technical field of plant cultivation, and discloses a method for improving low-temperature and low-oxygen composite stress resistance of tobacco seedlings by exogenous amino acids, which comprises the following steps: selecting tobacco seedlings in a two-leaf and one-core stage of floating seedling raising; preparing an L-pyroglutamic acid mother solution; performing exogenous treatment on the selected tobacco seedlings in the two-leaf and one-core stage by using the prepared L-pyroglutamic acid mother liquor; after treatment is completed under the low-temperature and low-oxygen condition for 3 days, taking a picture of a tobacco seedling, recording phenotype, sampling roots, and measuring root length and root activity; according to measured values under the treatment of adding different volumes of L-pyroglutamic acid mother liquor with the concentration of 1g / L, data is sorted by software, difference significance analysis is carried out by data processing software, and comprehensive evaluation is carried out by a multi-character fuzzy membership function method. The application comprehensively evaluates the effect of the L-pyroglutamic acid in improving the low-temperature and low-oxygen stress resistance of the tobacco seedlings, and provides important theoretical basis and practical guidance for improving the crop stress resistance in agricultural production.

The invention provides a construction method and application of an angelica sinensis potion fingerprint spectrum, and belongs to the technical field of drug detection.The construction method includes the steps that firstly, an angelica sinensis potion is used for preparing a test solution, then 0.08-0.12 wt% phosphoric acid aqueous solution (A)-acetonitrile (B) serves as a mobile phase, and the angelica sinensis potion fingerprint spectrum is obtained through high performance liquid chromatography detection, a standard fingerprint spectrum is established and is used for quality evaluation or control in the whole process of research / development / production / clinical application of the angelica sinensis potion. According to the construction method of the fingerprint spectrum of the angelica sinensis potion, main medicinal material components in the angelica sinensis potion can be detected only through high performance liquid chromatography, so that the quality condition of the angelica sinensis potion is reflected more comprehensively.

The invention belongs to the technical field of electrolytic copper foils, and relates to an additive for an ultralow-profile electrolytic copper foil, an electrolyte, a preparation process of the electrolytic copper foil, the electrolytic copper foil and application of the electrolytic copper foil. The additive comprises a brightening agent, a wetting agent and a leveling agent; the brightening agent is hexylbenzylamine salt, sodium dithiodipropane sulfonate and sodium N, N-dimethyl dithioformamide propane sulfonate; the wetting agent is hydroxyethyl cellulose and polyethylene glycol; and the leveling agent is hydrolyzed collagen. When the electrolyte containing the additive is used for preparing the copper foil, grain refinement of the raw foil and leveling of the outline are realized, and a foundation is laid for realizing the ultralow-outline electrolytic copper foil. And the design of the front section, the middle section and the rear section of the anode plate is combined, an original two-step method is replaced for producing the electrolytic copper foil, equipment is simplified, the production technological process is shortened, and the production cost of the ultra-low-profile electrolytic copper foil is greatly reduced.

The invention belongs to the technical field of battery materials, and mainly relates to a method for preparing an inorganic carbon composite sodium ferric sulfate positive electrode material under the assistance of reduced iron powder and a sodium ion battery. The method comprises the following steps: adding sodium sulfate, ferrous sulfate and reduced iron powder into deionized water, stirring until the sodium sulfate and the ferrous sulfate are completely dissolved, and separating the residual reduced iron powder to obtain a sodium ferric sulfate precursor solution; mixing the sodium ferric sulfate precursor solution with an inorganic carbon source, stirring, and carrying out spray drying to obtain an inorganic carbon composite sodium ferric sulfate positive electrode material precursor; and sintering the precursor in an inert atmosphere to obtain the inorganic carbon composite sodium ferric sulfate positive electrode material. According to the method, ferric iron is reduced into ferrous iron with electrochemical activity by using the reducing iron powder, and the inorganic carbon source is used as the conductive agent, so that the problem of poor conductivity of the material caused by incomplete decomposition of the organic carbon source in the sintering process is avoided, the pure-phase sodium ferric sulfate positive electrode material with high conductivity is synthesized and prepared, and the electrochemical performance of the material is improved.

The invention belongs to the technical field of plant biology, and particularly relates to application of a rice OsBBX3 gene. Bioinformatics and detection analysis tests show that the protein OsBBX3 containing the B-box structural domain of the rice has the function of improving the drought tolerance of the rice, the drought tolerance of crops can be improved by improving the expression level of the OsBBX3 in the crops, the OsBBX3 gene can also be introduced into plants to construct drought-tolerant transgenic varieties, and the gene can also be used for identifying the drought-tolerant varieties.

The embodiment of the invention relates to the technical field of coal bed gas drainage, and particularly discloses a liquid drainage device, a liquid drainage pump and coal bed gas exploitation equipment, the liquid drainage device comprises a pipe body, a piston and a one-way valve, the pipe body is internally provided with a containing cavity, one end of the pipe body is provided with a liquid outlet communicated with the containing cavity, and the other end of the pipe body is used for being connected with a lifting device; the peripheral wall of the pipe body is further provided with a liquid drainage hole which can enable the containing cavity to be communicated with the outside of the pipe body, the piston is movably arranged in the containing cavity, a liquid passing hole is formed in the piston, the end, away from the liquid outlet, of the liquid passing hole is used for being communicated with a lifting device, and the one-way valve is arranged in the containing cavity and connected to the end, facing the liquid outlet, of the piston. The one-way valve is communicated with the liquid passing hole, the piston can move between a first position and a second position relative to the pipe body, in the first state, the fluid can be discharged from the liquid outlet of the pipe body, and in the second state, the fluid can be discharged from the liquid discharging hole of the pipe body. In this way, deposition of solid particles in the pipe body can be reduced.

The invention discloses a safety control method for blast furnace top pressure, which is characterized in that the blast furnace top pressure is adjusted in three stages, and the blast furnace top pressures at different stages are respectively adjusted through a pressure adjusting valve, a blast furnace blower, a blast furnace blower and a blast furnace blow-off valve. According to the safety control method for the top pressure of the blast furnace, the top pressure of the blast furnace is adjusted in three stages by combining the characteristics of each adjustment path, during each stage of adjustment, the problem of pressure reduction of the top pressure of the blast furnace is considered, the problem of production of the blast furnace is also considered, and the top pressure of the blast furnace is finely controlled in a targeted manner from the two aspects of pressure reduction of the top pressure of the blast furnace and production of the blast furnace; on the premise that the top pressure of the blast furnace is safe and controllable, the production efficiency of the blast furnace is ensured to the greatest extent, and the overall production of the blast furnace is further ensured.

The invention belongs to the technical field of mold monitoring, and particularly relates to a defect monitoring system and method for an injection mold, and the defect monitoring system comprises water gap cutting mechanisms which are used for detecting one or more defects of an injection molding part, the water gap cutting mechanisms at the two ends of the mold start to work, and after injection molding, the number of the injection molding part of the whole mold product is one or more; the material pulling assembly is used for carrying out material pulling output on a formed injection molding part at the discharging opening of the fixed mold or carrying out material pulling on the current discharging opening to remove damaged hardware when it is detected that one or more injection molding parts are bad; the control system is used for supervising injection molding of hardware in the fixed mold and controlling the water gap cutting-off mechanism and the material pulling assembly to work to remove damaged hardware in the mold cavity when detecting that one or more injection molding pieces are bad, so that the utilization rate of good products in one mold is reduced, meanwhile, plastic materials are saved, and the production efficiency is improved. And the rejection rate of hardware is reduced, and the effects of saving product cost and improving efficiency are achieved.

The invention relates to a chip management method and device, electronic equipment and a computer storage medium, and belongs to the technical field of production management.The chip management method comprises the steps that design information of all to-be-assembled vehicles is obtained based on a whole vehicle BOM of all the to-be-assembled vehicles, acquiring chip configuration information of each to-be-assembled vehicle based on the design information; a chip BOM is constructed based on the chip configuration information, the chip BOM is used for recording characteristic information and quantity information of each chip, and the characteristic information is used for chip retrieval; and updating the quantity information in the chip BOM based on the assembly information of the to-be-assembled vehicle, and determining a chip assembly plan based on the production scheduling plan of the to-be-assembled vehicle and the updated quantity information. According to the chip BOM provided by the invention, automatic recording and management of chip information can be realized, and a chip retrieval function is provided, so that chip management is simpler, and the quality of chip information data is higher.

The invention provides a proppant and a preparation method and application thereof.The proppant is of a double-layer core-shell structure and comprises a proppant inner core, an amphiphobic modified layer combined to the surface of the proppant inner core through chemical bonds and a degradable polymer layer covering the surface of the amphiphobic modified layer; wherein a polymeric monomer of the degradable polymer layer comprises a catechol compound and a salt-tolerant acrylate monomer. The proppant provided by the invention is hydrophilic and easy to disperse on the ground, is beneficial to fracturing construction, is amphiphobic on the underground surface, and can improve the long-term flow conductivity of supporting cracks.

The utility model provides a multi-vehicle collinear finish paint coating skid for cars, which comprises a base frame, the front part of the base frame is provided with a movable fulcrum mechanism, the rear part of the base frame is provided with a rotatable lifting mechanism, and the movable fulcrum mechanism comprises a position-changeable fulcrum arranged on the base frame; the rotatable lifting mechanism comprises a supporting piece body which is arranged on the base frame and can convert the supporting mode through rotation, a finish paint skid fulcrum is designed to be a movable device, the skid fulcrum can rapidly move in the Y direction, meanwhile, the function that a pin head is fixed to be converted into a lifting mode is achieved, and the purpose that multiple vehicle types are collinear can be achieved; and the labor hour and cost waste of skid transformation is avoided.

The utility model discloses a heat transfer printing film gluing mechanism which comprises a processing table, the left side of the upper end of the processing table is movably connected with an unwinding roller, the right side of the upper end of the processing table is movably connected with a winding roller, and the outer surface of the unwinding roller and the outer surface of the winding roller are jointly and movably connected with a heat transfer printing film body. A gluing tank is fixedly connected to the lower end of the adjusting assembly in a penetrating and inserting mode, a gluing pipe is fixedly installed at the lower end of the gluing tank, a driving assembly is arranged at the upper end of the adjusting assembly, and an inserting rod is fixedly installed at the lower end of the driving assembly. According to the technical scheme, the gluing mechanism for the heat transfer printing film is provided. In the process that the inserting rod is inserted into the gluing pipe and rotates, glue in the gluing pipe can be physically stirred. The stirring effect is beneficial to breaking of coagulated blocks or impurity groups existing in the glue, so that the coagulated blocks or the impurity groups become more uniform, blockage is reduced, and production of a heat transfer printing film body is guaranteed.

The utility model discloses a connecting node structure of a steel column and a structural floor. The joint structure comprises a steel column, a concrete short column, a concrete bracket, equilateral angle steel and a structural terrace plate, a steel column is embedded into a foundation, a concrete short column wraps the steel column to the elevation of a terrace, a concrete bracket is additionally arranged on the periphery of the concrete short column, a structural terrace plate is connected to the concrete bracket, structural terrace plate steel bars are connected with equilateral angle steel welded to the steel column in advance through single-face welding, and the structural terrace plate, the concrete bracket and the concrete short column are integrally poured. And finally, a stable and reliable-sealing connection node is formed. According to the utility model, the construction is simple, the equilateral angle steel pre-welded on the steel column does not influence the strength and construction of the steel column, the connection is effective and reliable, the terrace reinforcing steel bar is welded on the equilateral angle steel, and the bracket reinforcing steel bar is connected with the concrete short column and the terrace reinforcing steel bar, so that the overall stability and safety of the connection of the terrace and the column are ensured, namely the generation of cracks is effectively reduced; and a good waterproof effect is achieved, permeation of underground water can be effectively prevented, and then normal production in a plant is guaranteed.

The invention provides plant fiber container wet blank processing equipment and process. The plant fiber container wet blank processing equipment comprises a pulp chest, a rack assembly, a transplanting mechanism, a pulp suction assembly and a cold pressing assembly, a forming cavity is formed in the pulp suction assembly, pulp enters the forming cavity through a cavity opening of the forming cavity for pulp suction operation, the cavity opening of the forming cavity faces downwards, the pulp suction assembly is far away from the liquid level of the first pulp tank, and the plant fiber container wet blank preforming work is completed; the cold pressing assembly comprises an expansion body, the expansion body can enter the forming cavity along the cavity opening, and the expansion body is filled with a recyclable object so that the expansion body can be expanded to extrude the inner wall of the preformed wet blank in the forming cavity, and a wet blank of the plant fiber container is formed. According to the plant fiber container wet blank processing equipment and process, the plant fiber container wet blank is processed and formed by adopting a cold pressing operation mode of vertical slurry suction operation and inflation expansion of the expansion body, the product quality and the product percent of pass of plant fiber container processing are effectively improved, and market requirements are greatly met.

The invention provides a construction method and application of a fingerprint spectrum of a golden-firewood capsule, and belongs to the technical field of medicine detection.The construction method comprises the steps that a test solution is prepared firstly, then acetonitrile (A)-0.05-0.2 wt% phosphoric acid aqueous solution (B) serves as a mobile phase, the test solution is detected through high performance liquid chromatography, and the fingerprint spectrum of the golden-firewood capsule is obtained; a standard fingerprint spectrum is established by adopting 'Traditional Chinese Medicine Chromatographic Fingerprint Similarity Evaluation System' in 2012 edition; the method is used for quality evaluation or control in the whole process of research / development / production / clinical application of the golden firewood capsules. According to the construction method of the fingerprint spectrum of the golden leaf capsule, main medicinal material components in the golden leaf capsule can be detected only through high performance liquid chromatography, and the quality condition of the golden leaf capsule is comprehensively reflected.

The utility model provides a water delivery transformation device for a horizontal flow pool, and belongs to the technical field of metallurgy. The device comprises a sedimentation tank, an adjusting tank and a detachable water tank structure, and the detachable water tank structure is simultaneously communicated with the sedimentation tank and the adjusting tank, so that water in the sedimentation tank flows into the adjusting tank through the detachable water tank structure. According to the detachable water tank structure, blockages are convenient to clean, the problem of blockage is avoided, normal production is guaranteed, normal operation of existing equipment cannot be affected in the installation process of the detachable water tank structure, and the installation period is short.

The invention discloses a soil matrix preparation device for ecological remediation and relates to the technical field of ecological soil remediation. An isolation heat preservation barrel is fixed to the top end of an integration bearing frame, the inner side of the isolation heat preservation barrel is sleeved with a treatment integration barrel, an integration motor is installed at one end of the treatment integration barrel through a motor base, and a porous integration frame is fixed to one end of an output shaft of the integration motor; a plurality of lower discharging mixing pipes are connected to the bottom of the side end of the treatment integration barrel at equal intervals in a penetrating mode, an integration laying barrel is connected to the inner side of the fixed inlet and outlet barrel in a sleeving mode, and a mixing motor is installed at one end of the integration laying barrel through a motor base. In addition, through internal and external heat exchange and multi-group heat cycle treatment, stable temperature control is achieved, meanwhile, the situation that the compost fermentation process is affected due to the fact that the material temperature is too low is reduced, and therefore the production efficiency of the soil matrix and the product quality are guaranteed.

The utility model provides a coal bucket anti-blocking structure of a coal conveying system, which relates to the field of coal conveying systems and comprises a coal bucket body, the coal bucket body is divided into a plurality of inclined sections and vertical sections which are alternately arranged, and a vibration component is mounted on the outer side of the coal bucket body. The vibration assembly comprises a plurality of vibration balls, a gear ring driving the vibration balls to rotate and a plurality of vibration plates used for transmitting vibration, the vibration balls make contact with the vibration plates in the rotating process, and the vibration plates extend to the inner side of the coal bucket body. The friction force superposition effect caused by the continuous conical section can be reduced, so that the blocking phenomenon of coal particles is effectively reduced, the vibration plate is knocked by the vibration ball, the vibration plate and the coal bucket body are continuously vibrated, retention of the coal particles on the inner wall of the coal bucket due to extrusion friction can be effectively reduced, blocking is prevented, and the service life of the coal bucket is prolonged. And continuous and coherent coal conveying operation is ensured.

This invention discloses a method for controlling sulfides in sulfur-containing gear steel, belonging to the field of metallurgical technology, including converter, LF refining, RH refining, and continuous casting processes. Converter process: molten steel tapping temperature 1630±20℃, carbon-oxygen product controlled below 0.0020; LF refining process: aluminum content in molten steel controlled at 0.035-0.045%, LF slag composition adjusted to R: 1.5-2.5, FeO+MnO: 1.0-2.0%; RH refining process: ferrotitanium added in one step to adjust the composition appropriately; Continuous casting process: argon-blown stopper rods and submerged entry nozzles are used for continuous casting, and 150-200 kg of low-basicity tundish covering agent is added to the tundish. The sulfur-containing gear steel produced by this invention can be continuously drawn for more than 10 heats, and the level of Class A inclusions can be stably controlled at A coarse ≤ 1.0 grade and A fine ≤ 1.5 grade, with a pass rate of over 99.9%.

The utility model relates to the technical field of plastic films, in particular to an embossing transmission structure of plastic film processing equipment, and aims to solve the problem that a conveying belt is difficult to clean in the plastic film processing process. The embossing transmission structure comprises a machine shell and a cleaning mechanism, and a hydraulic rod is fixedly mounted on the upper surface of the machine shell; the left side face and the right side face of the machine shell are each provided with a through opening. According to the conveying belt cleaning device, water can be supplemented to the water box through the water inlet pipe, so that the water can be sprayed on the conveying belt through the spray heads to flush the conveying belt, the conveying belt can be secondarily cleaned through the brush plate after flushing, and residual water on the conveying belt can be absorbed through the sponge plate; and through cooperation of a heating rod, an air blower, an air outlet pipe and a flow dividing box, hot air can be blown to the conveying belt, residual water on the surface of the conveying belt is dried, dust can be prevented from being attached to the conveying belt, it is guaranteed that the film is kept clean, and normal production of the plastic film can be guaranteed.

The utility model provides a motor observation window, and relates to the technical field of observation windows, the motor observation window comprises a base, a motor, a rotating shaft, a pointer, a box body, a door body and a dismounting assembly, the motor drives the rotating shaft to rotate, the pointer is fixedly connected with the rotating shaft, the box body covers the motor, the front end of the box body is provided with an opening, and the door body is arranged in the box body. One end of the door body is rotationally connected with the front end of the box body, the other end of the door body is connected with the front end of the box body through the dismounting assembly, and an observation window is embedded in the door body; through the arrangement of the pointer and the observation window, the movement of the motor can be clearly indicated, observation by workers is facilitated, the motor runs reliably, repeated movement is not needed, the production efficiency is improved, production halt caused by the fact that the movement of the motor is not in place is avoided, and normal production is guaranteed; and by arranging the dismounting assembly, a worker can quickly and conveniently open and close the door body, so that the motor or the pointer is overhauled and maintained, and the use convenience is improved.

This invention discloses the application of the soybean mosaic virus (SMV) resistance gene GmCSD. The candidate gene GmCSD was cloned from the soybean variety Qihuang 1, and its cDNA sequence is shown in SEQ ID NO.1. Using virus-induced gene silencing (VIGS) and overexpression technology based on Bean Pod Mottle Virus (BPMV), GmCSD was silenced in the resistant variety Qihuang 1 or overexpressed in the susceptible variety Nannong 1138-2. After inoculation with the SC3 strain, the virus content in the plants increased and decreased respectively compared to the control, indicating that this gene participates in the resistance response to SMV. The GmCSD gene obtained in this invention has important value for improving soybean resistance to SMV in the future.

The invention discloses a novel vacuum pneumatic solid material conveying and desilting robot which comprises a robot vehicle body and a walking crawler belt, the robot vehicle body advances and retreats through rotation of the walking crawler belt, and a driving wheel and a driven wheel which are rotationally connected with the robot vehicle body are installed in the walking crawler belt. According to the novel vacuum pneumatic solid material conveying and dredging robot, novel structural design is adopted, the automation and intelligence degree is high, unmanned entering is achieved, remote control is achieved, operation means are diverse, efficiency is high, the effect is good, shutdown, production stopping and operation stopping are not needed, production, life and operation are guaranteed to the maximum extent, unmanned entering is achieved in the dangerous environment, and personal safety is avoided. Complete equipment in the whole process does not need complex operation preparation and safety protection, and can be used after being started. The equipment can be reused, the comprehensive cost is greatly reduced, the operation process is completed in a closed loop, dust raising and pollutant throwing are avoided, a small amount of manpower is needed for ecological environmental protection, and the single-person single-shift capacity remote control is greatly improved.

The invention discloses an online monitoring and early warning method and system for a beverage production line, and relates to the field of data processing, and the method comprises the steps: obtaining order information which comprises beverage quantity information and beverage specification information; and a shooting device is adopted to carry out image acquisition on the filling bottles on the production line. A beverage manufacturer can determine the specification of the beverage needing to be produced and the number of the beverage according to the order information of the customer, the specification of the filling bottle adopted during production is determined according to the specification of the beverage, the number of the filling bottles of the specification is determined according to the inventory information in a warehouse, and if the number of the filling bottles is not enough, the beverage is produced. If yes, filling bottles of the specification in a warehouse need to be filled until production is completed smoothly, vibration of the filling bottles is extracted and analyzed to obtain transportation state information of the production line, if vibration of the filling bottles is too large, the transportation state of the production line is abnormal, an alarm is output, transportation of the production line is optimized, and therefore normal production of beverages can be guaranteed, and production efficiency is improved. And work time delay is avoided.

The invention relates to a penetrating type lower image wafer cutting device which comprises a platform base, a left side stand column and a right side stand column are installed on the left side and the right side of the platform base respectively, a cross beam is installed on the top between the left side stand column and the right side stand column, and a wafer cutting carrying table is installed on the platform base below the cross beam. The invention provides the lower image mechanism capable of acquiring the contour of the lower surface of the wafer, and meanwhile, the light source and the dodging plate are arranged on the frame table, so that the image on the frame table can be supplemented with light.

The utility model relates to a device for collecting and flushing filter residues of a filter press. A base is a rectangle formed by connecting four beams; one side of the base is connected with the supporting legs, and the supporting legs are perpendicular to the rectangular face of the base. The two sides of the inclined panel are connected with the supporting legs and the side, farthest from the supporting legs, of the base respectively. Three side plates are arranged on three sides, which are not connected with the base, of the inclined panel; a small hole is formed in any position, close to the supporting leg, of the two opposite side plates, the outer side of the small hole is connected with a connector, the inner side of the small hole is connected with a flushing pipe, and the connector is communicated with the flushing pipe. And a plurality of small holes are formed in the flushing pipe. The filter residue collecting device is simple in structure, capable of collecting filter residues, convenient to clean and small in water consumption, the filter residues which cannot directly fall into the filter residue inlet are collected through the inclined panel and the side plates, then a small amount of water is used for flushing the filter residues into the filter residue inlet, and water resources, manpower and time are greatly saved.

The present invention provides a premixed metal powder heater, which comprises: a shell, a metal powder feed port arranged on the shell, a metal powder discharge port arranged on the shell, a heat transfer oil inlet of a heating plate group arranged on the shell, a heat transfer oil outlet of the heating plate group arranged on the shell, and a heating plate group arranged in the shell; the heating plate group comprises at least one heating plate; at least one heating plate is provided with an oil channel; the oil channel of the heating plate is connected to the heat transfer oil inlet of the heating plate group; the oil channel of the heating plate is connected to the heat transfer oil outlet of the heating plate group. The premixed metal powder heater of the present invention is heated by heat transfer oil, which can avoid the leakage risk of high-power electric heating technology.

The present invention discloses a roller changing method for a direct-fired section of a horizontal annealing furnace, relates to the technical field of horizontal annealing furnaces, and solves the problems of long operation time and jamming of rollers and sinking strip steel when replacing furnace rollers in a direct-fired furnace. The method comprises stopping the vehicle for cooling; connecting a roller changing tool to the drive side shaft end of the furnace roller to be removed and synchronously moving it to the operation side until the furnace roller to be removed is moved out of the furnace and the roller changing tool is inserted into the furnace; connecting the roller changing tool to the drive side shaft end of the furnace roller to be installed and synchronously moving it to the drive side, and controlling the roller changing tool so that the protrusion lifts the strip steel in the annealing furnace until the furnace roller to be installed moves into place. The roller changing tool has the advantages of simple structure, convenient implementation and low cost. This scheme can realize the rapid replacement of furnace rollers without jamming, solves the jamming problem of sinking strip steel and new rollers, and the operator can complete the roller changing work without entering the furnace. The parking time and the number of times the furnace cover is opened are reduced as a whole, and the normal production of the production line is guaranteed, which has economic value.

The utility model discloses a chemical fertilizer anti-blocking agent production device which comprises a tank body and is characterized in that a driving mechanism is arranged at the top of the tank body, the end part of the driving mechanism extends into the tank body, a feeding pipe is connected to the top of the tank body in a penetrating manner, and a first mounting frame is fixedly mounted on the inner side wall of the feeding pipe; a sliding mechanism is arranged in the first mounting frame, a sliding groove and a mounting groove are formed in the feeding pipe, a pulling mechanism is arranged in the mounting groove, a vibrating mechanism is arranged in the sliding groove, and a cleaning mechanism is arranged at the bottom of the sliding mechanism. The device is reasonable in structural design, due to the arrangement of the vibrating mechanism and the cleaning mechanism, caking powder can be filtered and screened out through screening of a filter screen in the feeding production process of workers, normal production of an anti-caking agent is guaranteed, meanwhile, due to the arrangement of the cleaning device, in the actual using process of the workers, the working efficiency is improved, and the working efficiency is improved. The influence on the quality of the anti-blocking agent due to impurity residue deterioration can be prevented.