18results about How to "Continuous and stable production" patented technology

The present application relates to the technical field of stainless steel thin strip continuous casting, and provides a method for improving the solidification stability of thin strip continuous casting stainless steel, which comprises the following steps: obtaining an initial parameter set of the thin strip; obtaining an initial process parameter set; performing thin strip continuous casting in combination with the obtained process parameter set; measuring the molten pool liquid level, the casting and rolling force, the casting roll surface temperature and the casting strip surface temperature in real time during the thin strip continuous casting process; judging according to a judgment condition; if adjustment is needed, obtaining an adjusted process parameter set and returning; otherwise, proceeding to the next step; completing the thin strip continuous casting to obtain a thin strip product. In the present application, the molten pool liquid level, the casting and rolling force, the casting roll surface temperature and the casting strip surface temperature during the thin strip continuous casting process are measured in real time and judged according to corresponding judgment conditions, and through the establishment of real-time collaborative control of "liquid level-heat transfer-casting and rolling force-roll gap", the surface quality and the microstructure uniformity are improved while ensuring the continuous and stable production of stainless steel casting strip with a thickness of ≤2 mm.

The present application relates to the field of asphalt mixture production equipment, and discloses an asphalt mixture stirring production equipment with heat energy recovery and a production method, the production equipment comprises a regenerated drying roller, a primary drying roller, a dust removal system, a preheating system, a cyclone dust collector and an incinerator; the gas outlet end of the regenerated drying roller is connected with the gas inlet end of the cyclone dust collector, the gas outlet end of the cyclone dust collector is connected with the incinerator, the incinerator is connected with the gas inlet end of the preheating system; the gas outlet end of the preheating system and the gas outlet end of the primary drying roller are both connected with the dust removal system, and the discharge end of the preheating system is connected with the feeding end of the primary drying roller.The present application has the following advantages: the high-temperature tail gas heat energy discharged from the incinerator can be converted into preheating energy of the primary aggregate, so that the tail gas pollution problem is solved thoroughly, the energy recycling is realized, and the equipment energy consumption and operation cost are effectively reduced.

The invention discloses a polymeric kettle stirrer power supply or energy storage system and method utilizing waste heat, and belongs to the technical field of energy recycling, the system comprises a waste heat conversion module, the energy output end of the waste heat conversion module is connected with the input end of an energy storage module and the input end of a stirring driving module, and the stirring driving module is connected with the energy storage module. The output end of the energy storage module is connected with the input end of the stirring driving module, and the output end of the stirring driving module is in transmission connection with a polymerization kettle stirrer; the waste heat conversion module is used for converting waste heat into mechanical energy and amplifying the output acting force converted from the mechanical energy; the energy storage module is used for storing energy output by the waste heat conversion module; and the stirring driving module is used for receiving the amplified acting force output by the waste heat conversion module or the stored energy output by the energy storage module and driving a stirrer in the polymerization kettle to operate. Effective conversion of waste heat and recovery of tail gas moisture can be achieved, the resource utilization rate is increased, and accident load investment of the stirrer is reduced.

This invention discloses a device for solving the problem of excessive carbonyl compounds in 1,3-butadiene products, belonging to the field of butadiene production technology. The device includes a light-light-removal tower reflux tank, a light-light-removal tower reflux pump, a two-stage gas-liquid separator, and a hydrogenation product cooler. It also achieves material control and safety assurance through multiple pipelines with valves: the outlet of the light-light-removal tower reflux pump is connected to the pipeline refluxing the light-light-removal tower, the pipeline from the external source to the hydrogenation C4 feed tank, and the pipeline refluxing the light-light-removal tower reflux tank. The light-light-removal tower reflux tank is connected to a safety valve through pipelines, and the external source pipeline is linked to the safety valve flushing pipeline. The hydrogenation side material is cooled and then transported in separate channels. The material enriched with carbonyl compounds at the top of the light-light-removal tower is extracted directionally. The device has a simple structure, strong practicality, and ensures stable operation and economic benefits.

This invention belongs to the field of condensate recovery, specifically relating to a condensate recovery system and method for steam transmission pipelines. The system includes a steam main pipe and an inlet pipe. The inlet pipe is fixedly connected to the steam main pipe, and a recovery assembly is installed on the inlet pipe. The recovery assembly includes a drain valve, which is fixedly connected to the inlet pipe. A filter pipe is fixedly installed at the end of the drain valve away from the inlet pipe, and a Y-type filter is fixedly installed at the end of the filter pipe away from the drain valve. An input pipe is fixedly connected to the Y-type filter. This condensate recovery system and method for steam transmission pipelines achieves full condensate recovery through the synergistic action of the recovery components. The recovered condensate can be reused according to production needs, effectively improving resource utilization efficiency, reducing fresh water consumption, and aligning with the concept of green production.

This invention discloses an electrical control system for a hydraulic station for opening and plugging holes in a submerged arc furnace, comprising a power supply circuit, a main control switch K3, a first sub-control switch K1, a second sub-control switch K2, a first execution control unit, and a second execution control unit. The first sub-control switch K1 is connected in series with the end of the main control switch K3 furthest from the power supply circuit; the second sub-control switch K2 is connected in series with the end of the main control switch K3 furthest from the power supply circuit; the first execution control unit is connected in series with the end of the first sub-control switch K1 furthest from the main control switch K3; and the second execution control unit is connected in series with the end of the second sub-control switch K2 furthest from the main control switch K3. This scheme controls oil pump No. 1 through the first sub-control switch K1 and the first execution control unit, and controls oil pump No. 2 through the second sub-control switch K2 and the second execution control unit. This ensures that even if one oil pump malfunctions during the opening and plugging of the holes, the other oil pump can still guarantee continuous and stable production.

The application relates to the technical field of extruder equipment, in particular to a temperature control device of an extruder capable of self-adaptive dynamic stirring and cooling, which comprises a rack, a direct current motor, a gear box, a feeding box, an extrusion screw, a screw sleeve and a discharge port are arranged on the rack respectively, the front and rear ends of the extrusion screw are communicated with the feeding box and the discharge port respectively, a cooling plate and a stirring shaft are additionally arranged at the feeding box, a plurality of stirring plates are integrally formed on the circumferential side of the stirring shaft, the plurality of stirring plates are evenly distributed on the circumferential side of the stirring shaft at intervals, and the cooling plate is used for cooling and cooling down the stirring plates. The purpose of the application is to break the static accumulation state of plastic particles in the feeding box, realize the dynamic rolling and mixing of the particles, make the particles fully contact with the cooling medium, effectively ensure the continuous and stable discharging of the plastic particles, realize the efficient cooling and uniform conveying of the high-temperature plastic particles, and improve the overall operation stability of the extruder and the product quality.

The utility model relates to ink filling technology field, and disclose automatic ink filling and labeling all -in -one, including work table, still include piston cylinder, piston cylinder fixedly connected at work table top, one end of piston cylinder is fixed and has the switch valve of intercommunication, the top of switch valve is fixed and has the ink fountain of intercommunication, the other side of switch valve is fixed and has the ink injection pipe of intercommunication, and work table top is provided with the liquid guide portion that transports the ink in ink fountain to the ink injection pipe in, the utility model discloses through the sliding of piston block in piston cylinder, cooperate the setting of switch valve, first, then by piston cylinder is transported to the ink injection pipe from the ink in ink fountain suction, cooperate the setting of jacking pneumatic cylinder and gravity sensor, the weighing of ink jar is carried out, then the ink in ink injection pipe is injected to the ink in ink jar, realizes accurate quantitative filling, ensures the filling quality, and also can judge the function of quantitative solenoid valve whether there is a fault through weighing data, so as to carry out timely repair.

The utility model relates to the technical field of bag discharging machines, in particular to a bag discharging machine capable of rapidly replacing bag types, which comprises a bag discharging machine body and a mounting rack, the mounting rack is fixed on the back of the bag discharging machine body, and the rear end of the mounting rack is rotatably connected with a double-station charging barrel assembly; the double-station charging barrel assembly comprises a discharging barrel, the top and the bottom of the discharging barrel are each provided with a mounting cavity, a limiting hole and a positioning cavity, automatic ejection mechanisms are mounted at the two ends of the interior of each mounting cavity, a set of spring telescopic rods are fixed to the two sides of the bottom end of the interior of each mounting cavity, and each automatic ejection mechanism comprises a driving base which is slidably arranged in the corresponding mounting cavity. According to the automatic bag replacing device, the problems that due to the fact that an infrared detector is prone to being blocked by a bag body, detection is inaccurate, and materials are used up and cannot be ejected out in time are solved, rapid bag replacing is achieved, and the efficiency of a packaging assembly line and the production stability are improved.

The utility model relates to the technical field of tweezers heating, and discloses an automatic tweezers clamping end heating device which comprises a supporting bottom plate, a fixing plate is fixedly connected to the left side of the top of the supporting bottom plate, a plurality of sliding grooves are formed in the top of the fixing plate, and T-shaped blocks are connected to the inner walls of the sliding grooves in a sliding mode. A clamping plate is fixedly connected between every two adjacent T-shaped blocks, long tweezers are clamped to the adjacent sides of the clamping plates, a plurality of holes are formed in the left side and the right side of the top of each clamping plate, the left side and the right side of the top of the fixing plate are each fixedly connected with two fixing blocks, and a short rod is fixedly connected between every two adjacent fixing blocks. According to the long tweezers heating device, long tweezers are fixed by pushing the clamping plates on the two sides, so that the long tweezers are not prone to shifting in the heating process, the stability of the long tweezers in the heating process is guaranteed, meanwhile, different positions are fixed by clamping the L-shaped plates and the holes, different working requirements are met, and it is guaranteed that the heating effect meets the requirement.

This utility model discloses an oil-fillable hanger and bushing combination device, including a hanger beam, a square tube lifting rod, an oil filling assembly, an assembled bushing, and an anti-detachment chuck. Its features are: (1) The oil filling assembly consists of an oil filling hopper and an oil filling conduit. The oil filling conduit passes sequentially from top to bottom through the oil hole in the middle of the hanger beam, the square tube lifting rod, and the oil hole in the center of the upper end face of the assembled bushing. After adding lubricating oil to the oil filling hopper of the oil filling assembly, the lubricating oil flows directly... (1) The nylon bushing and the rotating body of the coupling are precisely lubricated inside the assembled bushing; (2) Anti-detachment chucks are installed on both sides of the assembled bushing. The inner diameter of the anti-detachment chuck is slightly smaller than the inner diameter of the assembled bushing and slightly larger than the inner diameter of the inner circle formed by the nylon bushing. It is fixed on both sides of the assembled bushing. The anti-detachment chuck is tightened on both sides of the assembled bushing with bolts. It can hold the nylon bushing tightly and prevent the nylon bushing from coming out. In summary, it is more convenient and faster to lubricate, adjust or replace the nylon bushing.

The invention relates to the technical field of copper electrolytic refining, in particular to an electrolyte acid copper balance control method suitable for copper electrolytic production, which comprises the following steps of: conveying electrolyte in an electrolytic production system to a first-section copper removal front liquid tank through a pipeline pump for first-section electrodeposition copper removal to produce first-section electrodeposition rear liquid and electrodeposition copper; sixteen copper removal electrolytic cells for second-stage copper removal in a clean liquid impurity removal system are connected in series and merged into first-stage electrodeposition copper removal, and first-stage electrodeposition / second-stage copper removal production is flexibly carried out according to the copper ion concentration of the electrolyte; one part of the first-section electrodeposited liquid enters an independent circulating system of an electrolysis production system to participate in circulation; according to the method, continuous and stable production of the electrolysis system under the conditions of 368 A / m < 2 > high current density and a high-grade anode plate with the Cu content of 99.4% is achieved, copper which is originally opened in the form of crude copper sulfate is output in the form of high-quality electro-deposited copper, the quality of the electro-deposited copper reaches the A-grade copper standard, and the comprehensive copper recovery rate of the electrolysis system is increased on the premise that system acid-copper balance is achieved.

The utility model relates to the technical field of threading machine feeding length measurement, in particular to a threading machine feeding length measurement device which comprises a base, a lifting assembly and a swing assembly are arranged at the top of the base, a vertical frame is fixedly connected to the outer wall of the top of the base, and the swing assembly is rotationally connected with the vertical frame. A control panel is fixedly connected to the outer wall of one side of the vertical frame, the lifting assembly drives the swing assembly to do circular motion through lifting motion, a transmission assembly is arranged in the swing assembly, the lifting assembly comprises a fixing base fixedly connected to the outer wall of the top of the base, and an electric air cylinder is fixedly connected to the top of the fixing base. According to the utility model, the number of transmission turns of the roller is accurately transmitted to the encoder through the synchronous belt, so that high-precision measurement is realized, the length of a steel pipe can be accurately controlled, reliable data support is provided for threading processing, the accuracy of the length of a processed thread is ensured, the product quality is improved, and the defective rate caused by the unqualified length of the thread is reduced.

This invention provides a method for correcting billet tracking information in a heating furnace, comprising the following steps: the heating furnace process control system tracks the billets in the heating furnace based on the furnace entry signal from the basic automation system and the billet information from the production planning system; when billet information is not tracked, the heating furnace process control system acquires the billet parameter information, billet production plan, and billet position information of the untracked billet, and tracks it; the acquired billet parameter information and billet position information of the untracked billet are used to correct the billet temperature tracking model information, and the billet temperature tracking model calculates the billet temperature of the untracked billet and controls the overall furnace heat load based on the corrected billet temperature tracking model information. This invention also provides a system for correcting billet tracking information in a heating furnace. The method of this invention is simple to implement, highly adaptable, and requires low investment, making it promising for widespread application in all heating furnaces.

The application discloses viscose short fiber spinning oil and a preparation method and application thereof, and belongs to the technical field of textile oil. The viscose short fiber spinning oil comprises the following components in parts by mass: 30-70 parts of component A and 70-30 parts of component B. The component A comprises C8-C20 alkoxy alcohol polyoxyethylene ether phosphate potassium salt, isomeric polyol polyoxyethylene ether, alkyl betaine, stearic acid polyoxyethylene ester, castor oil polyoxyethylene ether, C10-16 alcohol alkoxylate and water. The component B comprises polyethylene glycol dioleate, polyethylene glycol monooleate, stearic acid polyoxyethylene ester, lauric acid polyoxyethylene ester, dodecyl / stearyl amine polyoxyethylene ether, fatty alcohol polyoxyethylene ether, base oil and oleic acid. The viscose short fiber spinning oil has good smoothness, cohesion and antistatic performance, can improve the spinnability and processing stability of fibers, and has the advantages of low toxicity, environmental protection, low VOC and the like.

This invention belongs to the field of industrial solid waste resource utilization technology, and relates to a method for enriching titanium dioxide in high-titanium blast furnace slag, comprising: Step S10: crushing and pretreating the high-titanium blast furnace slag to obtain fine blast furnace slag powder; Step S20: mixing the fine blast furnace slag powder with an acid solution and carrying out an acid leaching reaction to obtain a reaction slurry; Step S30: adding an alkaline substance to the reaction slurry to adjust the pH value of the slurry to 6-8, converting the silica colloids in the slurry into amorphous silica particles, completing the colloidal regulation; Step S40: performing flotation to remove impurities from the colloidal regulated slurry, removing calcium sulfate; Step S50: filtering and washing the flotation slurry to remove soluble impurities, obtaining filter residue; Step S60: drying the filter residue to obtain a product rich in titanium dioxide. This method overcomes the defects of existing dilute sulfuric acid leaching methods for enriching titanium dioxide in high-titanium blast furnace slag, such as silica colloid interference, difficult filtration, and low enrichment efficiency.

The invention discloses a homogeneous degradation method of a cross-linked rubber product, the degradation method uses one or two of a catalyst and a cocatalyst, and simultaneously uses an oxidant and an organic solvent to carry out degradation reaction on the cross-linked rubber product to obtain end group functionalized liquid rubber. According to the degradation reaction, one-step degradation of the crosslinked rubber product can be achieved, conditions are mild, operation is easy and convenient, complex equipment is not needed, and meanwhile the molecular weight and terminal functional groups of the degradation product are accurately controlled. A series of widely used cross-linked rubber products are converted into functionalized liquid rubber under simple conditions, and a foundation is laid for efficient and high-selectivity recovery of rubber wastes (such as tires, rubber gloves and the like) in an actual environment.

This invention discloses a multi-effect synthesis apparatus and method for hydrogen sulfide synthesis. The apparatus has a vertical columnar structure, and its interior is arranged from bottom to top as follows: a first-effect liquid sulfur synthesis zone, a second-effect gas-liquid two-phase sulfur synthesis zone, a third-effect compensation synthesis zone, and a condensation and sulfur replenishment zone. The first-effect liquid sulfur synthesis zone is used for the main reaction of molten sulfur and hydrogen. The second-effect gas-liquid two-phase sulfur synthesis zone is used for the deep reaction of residual sulfur vapor and hydrogen. The third-effect compensation synthesis zone is used for the compensation catalytic synthesis of unconverted hydrogen and utilizes temperature drop to condense and reflux gaseous sulfur. The condensation and sulfur replenishment zone is equipped with a condensation coil for gradient cooling of the rising gas, causing gaseous sulfur to condense into liquid and fall for reuse. The top of the apparatus corresponding to the condensation and sulfur replenishment zone is equipped with a hydrogen sulfide gas outlet. This invention has the advantages of low energy consumption, high raw material conversion rate, high utilization rate of sulfur and hydrogen, and high purity of the produced hydrogen sulfide product.