39results about How to "Guaranteed continuous supply" patented technology

The utility model discloses a feeding device for sensor assembly. The feeding device comprises a bottom frame, a vertical plate and a movable base. A mounting cylinder is arranged at the top of the bottom frame, an O-shaped ring vibration disc is arranged in the mounting cylinder, a material supplementing frame is arranged on one side of the O-shaped ring vibration disc, and a channel is formed between the material supplementing frame and the O-shaped ring vibration disc; the feeding mechanism is driven to quickly move in the horizontal direction and the vertical direction through cooperative work of a plurality of air cylinders, so that O-shaped rings are quickly grabbed and transferred by the negative pressure suction device, and the feeding time is greatly shortened; o-shaped rings are automatically and orderly arranged through the O-shaped ring vibration disc, the O-shaped rings are supplemented in time in cooperation with the material supplementing frame, and continuous supply of the O-shaped rings is guaranteed; the feeding precision is improved through positioning formed by a positioning seat, a positioning block, a telescopic rod and a spring; the feeding process is monitored in real time through the scanner, problems are found and fed back and adjusted in time, and the operation reliability of the whole feeding device is further improved.

The utility model discloses a roof solar water heating system which comprises a flat-plate solar collector, an air source heat pump unit, a heat pump heating circulating water pump, a pipeline system and a heat preservation water tank. The flat-plate solar heat collectors are fixed on a roof foundation through a support, the flat-plate solar heat collectors are arranged in multiple rows and are connected in series through heat collector water pipes, and the two ends of each flat-plate solar heat collector are connected to the heat preservation water tank. The air source heat pump unit and the heat pump heating circulating water pump are connected to the heat preservation water tank through a circulating water pipe. The cold water supply pipe supplements cold water to the heat preservation water tank, the hot water supply pipe conveys hot water in the heat preservation water tank to all water consumption ports, and the hot water return pipe recovers unused hot water to the heat preservation water tank. The solar water heater can solve the problems that the water temperature of the solar water heater rises slowly and is unstable, residual hot water cannot be effectively utilized, and energy is wasted due to electric heating in cloudy and rainy days.

This invention provides a method for the artificial breeding of bullfrogs, including bullfrog selection, pairing, breeding, artificial spawning induction, artificial insemination, fertilized egg hatching, and tadpole rearing. This invention uses precise control of water temperature and quality in the breeding water to stimulate the gonadal development of the bullfrogs. It utilizes artificial spawning induction, insemination, fertilized egg hatching, and seedling rearing techniques to solve the problems of existing bullfrog germplasm degradation and difficulties in artificial breeding. By adding *Lactobacillus rhamnosus* to the feed, the mortality rate of bullfrogs is effectively reduced, the hatching rate of fertilized eggs is high, and the seedling growth rate is fast. This allows for a stable and continuous supply of high-quality bullfrog stock, meeting the effective demand for bullfrog seedlings throughout the year, and providing a technical foundation for the artificial breeding of bullfrogs.

The invention relates to the technical field of casting polishing, in particular to a casting polishing station which comprises a base, a protective shell is mounted on the base, a mechanical arm is mounted in the middle of the base, a polishing structure is connected to the base, a dust removal structure is connected to the side face of the polishing structure, and a conveying structure is arranged on the side face of the mechanical arm. The top side of the polishing structure is connected with a mounting structure; different polishing angles can be provided for castings through the polishing structure, meanwhile, an abrasive belt is convenient to replace, chippings generated in the polishing process can be collected in a centralized mode through the dust removal structure, pollution to the production environment in the polishing process is avoided, continuous feeding of the castings can be guaranteed through the conveying structure, and the machining efficiency is improved; and additional polishing tools can be conveniently mounted through the mounting structure.

The utility model provides a kind of welding robot, comprising: machine body, the position of machine body is movably arranged;Welding structure, it is arranged on machine body, and welding structure includes welding body, and cooling runner is arranged in welding body;Cooling assembly, cooling assembly includes transmission pipe fitting and connecting nipple, and intercommunication passage is arranged in connecting nipple, and connecting nipple is connected with transmission pipe fitting and welding body respectively, and cooling runner is communicated with transmission pipe fitting by intercommunication passage, to make cooling medium flow into cooling runner in order after transmission pipe fitting and intercommunication passage, and welding body is cooled;Wherein, at least part of connecting nipple is rotatably arranged along predetermined trajectory, and transmission pipe fitting is flexible piece.The present application solves the problem that the welding robot in the prior art changes constantly in the process of running, resulting in the problem of unsatisfactory cooling effect.

The utility model discloses an asphalt supply temperature control system for recycled asphalt concrete production. The asphalt supply temperature control system comprises an asphalt tank, an asphalt filling pipe, an asphalt filling motor, an asphalt discharging pipe, a mixing machine, a circulating pump, an asphalt return pipe and an asphalt circulating pump three-way valve, more than two asphalt tanks are arranged in parallel; each asphalt tank is provided with an electric heating insulation device, a temperature sensor, a liquid level meter, a stirring device and a weighing device; asphalt is supplied to each asphalt tank through an asphalt filling pipe, and an asphalt filling motor is arranged on the asphalt filling pipe; asphalt in each asphalt tank is supplied to the mixing machine through the asphalt discharging pipe, and the circulating pump is arranged on the asphalt discharging pipe; one end of the asphalt return pipe is communicated with a port 2 of the asphalt circulating pump three-way valve, and the other end is branched into more than two paths communicated with the corresponding asphalt tanks; a port 1 of the asphalt circulating pump three-way valve is communicated with one end of the asphalt discharging pipe, and a port 3 of the asphalt circulating pump flows to the mixing machine. The device realizes stable, efficient, safe and continuous supply of asphalt produced from recycled asphalt concrete.

The utility model relates to a point gum all -in -one technical field discloses a kind of automatic mixing and point gum all -in -one of die -attaching glue, including support base plate, the support base plate top end is fixedly connected with support frame, the right end of support frame is fixedly connected with limit box, limit box inside is placed with storage barrel, the storage barrel top end is fixedly connected with material conveying pipe, the left end of material conveying pipe is drive-connected with suction pump, the bottom of suction pump is fixedly connected with point gum head.The utility model is first, die-attaching glue is poured into storage barrel.In the beginning of point gum operation, console starts suction pump, suction pump extracts die-attaching glue in storage barrel and is transmitted to point gum head by material conveying pipe, while, according to the position requirement of point gum, console controls servo motor to start.Servo motor drives transmission screw rod to rotate, and the moving sleeve on transmission screw rod moves in horizontal direction according to the rotation direction and the number of turns of screw rod.

The utility model discloses a kind of continuously pressurized stable liquid supply systems, comprising: chemical distribution module is connected with external nitrogen pipeline, the output of the chemical distribution module is communicated with control box, the output of the control box is communicated with valve group box, the output of the valve group box is communicated with process machine platform;The chemical distribution module includes pressure sensor and PLC module, the pressure sensor is located at the output of chemical distribution module;The pressure sensor is electrically connected with PLC module.Beneficial effect: improve liquid supply precision, by real-time monitoring the pressure of chemical distribution module chemical distribution module outlet, and according to pressure change automatic control start-stop of liquid supply pump, effectively keep system pressure stable in set range, to realize the accurate supply of chemical, meet the high-precision requirement of chemical consumption control in production process.

The utility model relates to the technical field of sand blasting derusting, in particular to a sand blasting derusting device for automobile brake disc machining, which comprises a feeding assembly, a spraying head, a rotary clamping mechanism and a recycling module. The feeding assembly conveys grinding materials through a feeding screw, the distance between the outlet end face of an injection head and the surface of the brake disc is adjustable, the clamping mechanism is rotated to enable the brake disc to rotate around the axis, and the recycling module separates the grinding materials and impurities through an annular material collecting groove and a filter screen. Preferably, an air flow auxiliary assembly is further included to form an air flow barrier, and grinding material splashing is avoided. Through the structural design, comprehensive treatment on the surface of the brake disc is achieved, the working efficiency and the operation convenience are improved, meanwhile, the adaptability of workpieces in complex shapes is enhanced, and an efficient and accurate solution is provided for automobile brake disc machining.

The utility model provides a coating system. The coating system comprises a monitoring assembly, an upper computer (2), an adjusting assembly (3) and a coating assembly (4), the monitoring assembly and the adjusting assembly (3) are both in communication connection with the upper computer (2), the monitoring assembly can monitor the surface density of slurry on the surface of the pole piece, the coating assembly (4) comprises a discharging channel (41), the adjusting assembly (3) can stretch into the discharging channel (41) to adjust the coating flow, and the discharging channel (41) is communicated with the upper computer (2). The upper computer (2) can automatically analyze surface density monitoring data of the monitoring assembly and control the adjusting assembly (3) to adjust the coating flow. According to the coating system provided by the utility model, the problem of low monitoring and adjusting efficiency of the surface density of the existing coating system can be solved.

The invention relates to a carrier for realizing long-acting controlled release of cinnamyl aldehyde based on synergism of bacterial cellulose and polylactic acid, a preparation method of the carrier and application of the carrier in fresh keeping of fruits and vegetables, and the preparation method comprises the following steps: firstly, placing the bacterial cellulose in a deep eutectic solvent system containing citric acid, glycerol and choline chloride, and heating for reaction to obtain CABC; then, the CABC is placed in an activation system containing the 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide and the N-hydroxysuccinimide, and CABC-ONH2 is obtained; then, the CABC-ONH2 and cinnamyl aldehyde are subjected to an oximation reaction, and CABC / CIN is obtained; and finally, mixing CABC / CIN with polylactic acid to form a film, so as to obtain the bacterial cellulose / polylactic acid synergistic cinnamyl aldehyde long-acting controlled release carrier. Compared with the prior art, initial burst release of CIN in the degradable carrier is effectively reduced, and the release stability and activity retention rate in the middle and later periods are improved; the cooperative processing suitability with PLA is improved; the antibacterial and antioxidant effects are simultaneously realized in the fruit and vegetable fresh-keeping application.

The present application relates to a lightweight piston and a preparation method, comprising the following steps: S1 vacuum smelting: an aluminum-based alloy is placed in a vacuum induction smelting furnace, a vacuum degree is less than or equal to 10 ‑2 Pa, a smelting temperature is 730-770 DEG C, and a smelting time is 30-60 minutes; the present application uniformly disperses nanocrystals and modified graphene in a melt through process scale, pulse ultrasonic and ultrasonic-electromagnetic synergistic treatment, avoids the agglomeration problem of traditional external particles, reduces the interface energy of the seed and the aluminum matrix at the atomic scale through the doping of carbon and boron, provides dispersion strengthening and heterogeneous nucleation at the nanometer scale through titanium diboride and titanium carbide seeds, provides interface optimization and high-temperature pinning through a molybdenum tungsten shell layer, provides self-lubrication and heat conduction channels at the submicron scale through modified graphene, provides skeleton reinforcement at the micron scale through a three-dimensional network structure, and provides plasticity through a refined aluminum matrix.

This utility model relates to the field of door frame manufacturing technology, and in particular to a PVC soft and hard co-extrusion molding equipment for sliding door frames. It includes a frame with two extruders mounted on it. A co-extrusion die is installed between the extrusion ports of the two extruders. A feeding mechanism is provided between the two extruders. The feeding mechanism includes: a main component comprising a material box positioned above the hoppers of the two extruders; a separating component comprising a partition rotatably mounted inside the lower middle part of the material box, a gear fixed to the front end of the partition, a groove fixed to the lower end of the front surface of the material box, a rack slidably mounted inside the groove, an electric push rod pivotally connected to the front surface of the material box, and the output end of the electric push rod pivotally connected to the rack; and a protective cover fixed to the front end of the material box. The single feeding system enables precise material distribution between the two extruders, reducing costs and saving space. Automatic unblocking and anti-clogging ensure continuous production, especially suitable for the easily agglomerated characteristics of soft PVC.

The utility model relates to the technical field of carbon capture and energy conservation, and discloses an energy coupling system for carbon dioxide capture and carbon dioxide compression. The system comprises a regeneration tower, a multi-stage compression unit and a multi-stage heat exchange unit, each stage of compression unit in the multi-stage compression unit is provided with a carbon dioxide compression device and a multi-stream heat exchanger, and the multi-stream heat exchanger is internally provided with a high-temperature section heat exchange area and a low-temperature section heat exchange area. The multi-stage heat exchange unit comprises a first heat exchanger, a second heat exchanger, a third heat exchanger, a fourth heat exchanger, a first compression device, a second compression device and a first reboiler. According to the system, the steam production energy consumption is reduced, and the carbon capture operation cost is lower.

The utility model provides an air separation liquid nitrogen storage tank supply structure which comprises a tank body supply supporting frame, an inclined conveying supporting plate is arranged at the upper end of the tank body supply supporting frame, a plurality of adjusting supporting base plates are arranged at the lower end of the tank body supply supporting frame, and a tank body supply device is arranged on the inclined conveying supporting plate. A tank body ejecting device is arranged on one side of the discharging end of the tank body supply supporting frame, the tank body supply device comprises a tank body conveying belt, a plurality of tank body limiting driving plates are arranged on the outer side of the tank body conveying belt, one end of the tank body conveying belt is installed on the tank body supply supporting frame through a supporting roller, and the other end of the tank body conveying belt is installed on the tank body supply supporting frame through a driving roller; according to the air separation liquid nitrogen storage tank conveying device, stable and continuous supply of the air separation liquid nitrogen storage tank can be achieved, the split charging efficiency is guaranteed, flexible adjustment can be conducted according to different production lines, and the application range of the device is widened.

The invention belongs to the technical field of crushing granulation, and particularly relates to a DH1250 granulation production line which comprises crushing granulation equipment, and the crushing granulation equipment comprises a forced feeding machine drive, two forced feeding machines, a double-compression-roller cavity, a bolt removing mechanism, a drum gear coupler, a main motor, a diaphragm coupler, a speed reducer, a hydraulic station and a feeding port. A hopper is integrally formed above the double-compression-roller cavity, feeding ports of the two forced feeding machines are both led to the upper portion of the hopper and are oppositely arranged, the bolt removing mechanism comprises an energy-saving motor, an output shaft, a reciprocating shaft, a push disc and a cylinder, supporting plates are integrally formed on the left side and the right side of the upper portion of the double-compression-roller cavity, and the supporting plates are arranged on the upper portion of the double-compression-roller cavity. The energy-saving motor is fixedly mounted on the right side of the right supporting plate through bolts, and the device solves the problem that in the current granulation process, when discharging blockage occurs, material strips cannot be rapidly dredged and cannot be preliminarily crushed and ground, and consequently the production efficiency is greatly reduced.

This utility model belongs to the field of spindle cleaning technology, and specifically relates to a cleaning device and PCB processing equipment. The cleaning device includes a housing and a cleaning component. The housing has a cavity, and the cleaning component is disposed within the cavity. A return port is provided on one side of the housing, communicating with the cavity. The cleaning component has a spray channel and a recovery channel. The first end of the spray channel is connected to a liquid supply device, and the second end is used to spray cleaning liquid. The recovery channel communicates with the cavity and is used to allow the cleaning liquid to flow through the return port into an external recovery device. The spray channel precisely guides the cleaning liquid to the area requiring cleaning, and the recovery channel promptly collects the sprayed and falling cleaning liquid, achieving the recycling of the cleaning liquid. This ensures a continuous supply of cleaning liquid, avoiding frequent replenishment due to insufficient cleaning liquid and the need to clean up splashed cleaning liquid, thus improving cleaning efficiency.

The present application relates to the field of biomedical engineering, specifically provides a kind of self-powered water-volt battery dressing with self-release water and water function, the dressing innovationally integrates temperature-sensitive conductive hydrogel layer and water-volt power generation layer, realizes the self-adaptive, self-sustaining intervention to wound microenvironment, through the unique "water storage-release-water" closed-loop mechanism, system utilizes body temperature trigger water release on demand, and realizes the self-supply of fuel and energy recycling by absorbing tissue exudate and external water environment moisture, so as to overcome the technical bottleneck that the energy source of existing self-powered system is unstable, intermittent supply, ensure that continuous, stable therapeutic electric stimulation is provided in the whole healing period;Compared with traditional treatment methods, the dressing can significantly accelerate wound closure and promote ordered and high-quality regeneration repair.

The embodiment of the utility model discloses a liquid supply system. The system comprises a main liquid supply device, a buffer liquid supply device and at least one cavity, the main liquid supply device is connected with the buffer liquid supply device, the main liquid supply device is used for providing liquid for the buffer liquid supply device, and the volume of the buffer liquid supply device is smaller than that of the buffer liquid supply device; the buffer liquid supply device is connected with the at least one cavity and is used for supplying liquid into the at least one cavity when the liquid level of the liquid contained in the buffer liquid supply device is higher than a threshold value. According to the embodiment of the invention, the technical problem of how to stably supply liquid is solved.

The application relates to an atomizer and an electronic atomization device, which comprise a suction nozzle, a shell, a soft bag and a liquid outlet valve mechanism; at least one air-permeable structure is arranged in the shell wall of the shell close to the suction nozzle, and a first liquid outlet is arranged in the shell wall of the end of the shell far from the suction nozzle; the soft bag is used for storing atomization liquid and is arranged in the shell, the soft bag expands or shrinks along with the amount of the stored atomization liquid, an end of the soft bag far from the suction nozzle is provided with a second liquid outlet, and the second liquid outlet is arranged in correspondence with the first liquid outlet; the liquid outlet valve mechanism comprises a liquid outlet valve and a supporting piece, the liquid outlet valve mechanism is used for opening or closing the second liquid outlet, and the supporting piece is connected with the liquid outlet valve. The atomizer can avoid dry burning and oil leakage, reduce the manufacturing process requirement and the process cost.

The utility model discloses an online film replacing device for emulsion explosive production belongs to packing machine film replacing technical field, and its technical key points include frame, two feeding assemblies are symmetrically arranged on the frame, and the frame between two feeding assemblies is equipped with the guide baffle, a plurality of guide rollers are equipped on the frame below the feeding assembly, the frame below the guide roller is equipped with the temporary storage subassembly, the frame on the one side of temporary storage subassembly is equipped with the discharge roller who cooperates with the subsequent packing equipment, the sensor for detecting the film roll is equipped at the feeding assembly, two film cutting assemblies are equipped on the frame between the feeding assembly and the guide roller, and two film cutting assemblies are symmetrically arranged on both sides of the guide baffle, the hot melting assembly is equipped on the frame between the film cutting assembly and the guide roller, the utility model aims at providing a kind of online film replacing device for emulsion explosive production with simple structure, online replacement, for emulsion explosive packing machine online film replacing.

The utility model provides a hydrogen plasma generating device, which belongs to the technical field of physical hydrogen production and comprises a mounting seat, a reaction chamber and a conveying module. A hydrogen treatment system is arranged at the top of the mounting seat; the reaction chamber is arranged on the mounting seat and is spaced from the hydrogen treatment system; the top of the reaction chamber is provided with multi-stage magnetic field modules which are vertically arranged at intervals, and the reaction chamber is internally connected with a plasma excitation module; the conveying module comprises a proportional controller and two groups of conveying pipelines; the inflow end of each conveying pipeline is communicated with the outflow end of the hydrogen treatment system; outflow ends of the two conveying pipelines are respectively communicated with two opposite sides of the reaction chamber; and the proportional controller is used for adjusting the flow and proportion of gas on the two conveying pipelines through the control valve so as to establish a double-path feeding mode of hydrogen in the reaction chamber. The hydrogen plasma generating device provided by the utility model can ensure the continuity of the introduced gas, improve the constraint on the plasma and ensure the stability of the plasma.

The invention relates to coil spring winding equipment and belongs to the technical field of coil spring manufacturing, the coil spring winding equipment comprises an unwinding device, an unwinding device, a processing device, an annealing device, a forming winding device and a discharging device which are arranged along a steel bar conveying path, the unwinding device comprises a storage rack and a discharging disc, and the unwinding device comprises a storage box and conveying assemblies arranged on the two sides of the storage box; the treatment device comprises a treatment rack, a first straightening wheel and a second straightening wheel which are used for rolling and straightening a steel bar, and a movable assembly for driving the first straightening wheel and the second straightening wheel to move, and the annealing device comprises an annealing rack, an annealing channel for circulating the straightened steel bar, and a heating piece for heating the annealing channel; the forming winding device comprises a forming rack, an adjusting assembly used for tensioning the annealed steel bars, a guide assembly, a rolling wheel assembly, a cutter assembly and a bending assembly used for bending the cut steel bars. According to the device, all the devices work cooperatively, steel bars are sequentially machined into coil springs through multiple procedures, and the technical effect that high-quality and high-precision coil springs are efficiently produced is achieved.

The application discloses a crankshaft-main bearing assembly, a compressor pump body assembly and a compressor, and relates to the technical field of compressors. The long shaft part of the crankshaft is matched with the main bearing inner hole of the main bearing; the axial center of the crankshaft is provided with a center oil hole; the center oil hole is a blind hole structure; the surface of the long shaft part is provided with an upper radial oil hole; the first end of the upper radial oil hole is communicated with the blind end of the center oil hole; the second end of the upper radial oil hole is communicated with the surface of the long shaft part; the upper radial oil hole is located above the bearing upper top surface of the main bearing; an oil storage groove is arranged on the bearing upper top surface; the oil storage groove is used for storing the refrigerating machine oil flowing out through the upper radial oil hole and overflowing the stored refrigerating machine oil to the contact surface between the main bearing inner hole and the long shaft part; the oil film thickness of the main bearing inner hole and the crankshaft long shaft is increased, the wear between the crankshaft long shaft and the upper end of the main bearing inner hole is effectively reduced, and the reliability of the pump body assembly operation is improved.

The application discloses a printing device, relates to the printing field, and comprises a printing system for printing paperboards and a feeding system for feeding the paperboards into the printing system, the feeding system comprising a rack, a conveying mechanism arranged on the rack and a lifting mechanism, the lifting mechanism comprising a chain and two sprockets, the sprockets being rotatably connected to the rack, a motor one for driving the sprockets to rotate being arranged on the rack, the chain being arranged on the two sprockets and being in meshing connection with the two sprockets, a plurality of bearing plates for bearing paperboard stacks being fixedly connected to the chain at intervals, and at least two bearing plates being located on the same side of the length direction of the chain at the same time; the conveying mechanism is located outside the movement range of the bearing plates, the reciprocating movement of the bearing plates is realized through the arrangement of the chain and the sprockets, the continuous supply of the paperboard stacks is ensured through the plurality of bearing plates, and therefore the printing system does not need to wait for the feeding system to supplement the paperboard stacks, and the production efficiency is improved.

The utility model belongs to the technical field of main shaft cleaning, and particularly relates to a cleaning mechanism, cleaning equipment and PCB machining equipment. The cleaning mechanism comprises a shell, a fixed seat and a cleaning part, the shell is provided with a cavity, the fixed seat is suitable for placing the cleaning part, and the cleaning part and the fixed seat are arranged in the cavity at an interval; a liquid spraying channel and a recycling channel are arranged in the cleaning part, one end of the liquid spraying channel is used for being connected with the liquid storage bin, and the other end of the liquid spraying channel is used for spraying out cleaning liquid; and the recycling channel is used for recycling the cleaning liquid which is sprayed out of the liquid spraying channel and falls into the cavity. Cleaning liquid can be accurately guided to a part needing to be cleaned through the liquid spraying channel, waste of the cleaning liquid is reduced, the recycling channel can timely recycle the sprayed and falling cleaning liquid to the cavity, cyclic utilization of the cleaning liquid is achieved, continuous supply of the cleaning liquid is guaranteed, and the cleaning effect is improved. And the situation that the cleaning liquid needs to be frequently supplemented due to insufficient cleaning liquid and the situation that the splashing cleaning liquid is cleaned are avoided, and the cleaning efficiency is improved.

This invention discloses a rotary combustible waste treatment device and method, belonging to the field of combustible waste treatment technology. The device includes a feeding system and an incineration system connected to the feeding system. A solid panel, a mesh panel, and a spray aeration mechanism in the feeding system are located inside the feeding unit. The solid panel and mesh panel are arranged vertically, and the spray aeration mechanism is located between the solid panel and the mesh panel. The solid panel, mesh panel, and spray aeration mechanism are all connected to a control unit, which controls the opening and closing of the solid panel, mesh panel, and spray aeration mechanism. The burner in the incineration system is located on the outer kiln body of the rotary kiln and connected to the inner kiln cylinder. The inner kiln cylinder is located inside the outer kiln body. The inlet section of the inner kiln cylinder is connected to the tail end of the feeding system. The waste discharge opening of the inner kiln cylinder is located at the outlet section of the inner kiln cylinder, and the waste discharge opening connects to the exhaust gas pipe and the waste discharge channel of the kiln body. This treatment device enables a high degree of matching between the spraying of reducing agent and the feeding pattern of materials, so as to maintain the reducing atmosphere inside the incineration system and prevent the neutralization level of the reducing agent in the furnace from being exceeded due to excessive combustion of materials. It can purify the toxic gaseous pollutants generated during the incineration of combustible solid waste.

The utility model provides a technological sewing machine processing lubricating device, and belongs to the technical field of sewing machine lubrication. Comprising a sewing machine body and further comprises a lubricating assembly, the lubricating assembly is arranged on one side of the sewing machine body and comprises a needle sleeve arranged on one side of the sewing machine body, a needle rod is arranged in the needle sleeve, an oil feeding roller is arranged on the side, close to the needle rod, of the needle sleeve, and the oil feeding roller is in transmission connection with the needle rod; the oil feeding rollers are distributed on the needle sleeve along the central axis in an annular array mode. An oil feeding assembly; by arranging the lubricating assembly, when the needle rod slides in the needle sleeve in a reciprocating mode, the needle rod moves to drive the oil feeding rollers to rotate along the inner wall of the needle sleeve, so that lubricating oil is evenly attached to the surface of the needle rod, and due to the fact that the oil feeding rollers are distributed in the needle sleeve in an annular array mode, it is guaranteed that the lubricating oil is more evenly coated in the whole circumferential range of the needle rod; and a stable oil film layer can be formed on the surface of the needle rod, so that the operation stability of the needle rod in a high-speed reciprocating motion process is improved.

The application provides a bottom blowing gas supply mechanism for off-furnace refining, and relates to the technical field of steelmaking. The bottom blowing pipeline is connected with the bottom of a ladle; the argon gas supply pipeline is used for connecting an argon gas storage tank and the bottom blowing pipeline; the nitrogen gas supply pipeline is used for connecting a nitrogen gas storage tank and the bottom blowing pipeline; the nitrogen gas supply pipeline comprises a nitrogen gas total valve, a nitrogen gas flowmeter and a nitrogen gas flow regulating valve which are connected in sequence; the nitrogen gas flowmeter and the nitrogen gas flow regulating valve are associated; a first shunt valve is connected in series between the nitrogen gas total valve and the nitrogen gas flowmeter; a first bypass valve is connected in parallel with the nitrogen gas flowmeter; a second shunt valve is connected in parallel with the first shunt valve after the first shunt valve and the second shunt valve are connected in series with a first standard flowmeter. After the first shunt valve is closed, the second shunt valve and the first bypass valve are opened, the nitrogen gas flowmeter can be removed for offline calibration, inspection and maintenance, and the first standard flowmeter which remains can replace the nitrogen gas flowmeter to detect the nitrogen gas flow, so that the continuous supply of nitrogen gas is ensured.