223results about How to "Avoid overheating" patented technology

The invention discloses an automobile part grinding control system, which relates to the technical field of automobile part grinding control, and ensures that a grinding tool always keeps an optimal focal length and an accurate position in an operation process by accurately controlling a first focusing instruction, a first translation instruction and a first rotation instruction. A strain sensor is introduced to monitor the deformation of the workpiece in real time, and the deformation can be found in time and compensated in real time in the grinding process. The system can optimize temperature control management for different workpiece materials by considering heat conductivity coefficients k and heat conduction factors Rczz of different materials. Multiple factors of stress distribution, heat conduction, cooling efficiency and surface smoothness are considered by integrating the grinding quality index Mzqs, the machining quality grade is generated after comprehensive evaluation is provided for the grinding quality, parameters including the grinding depth, the workpiece feeding speed and the cooling system are adjusted according to the grade result, and therefore the machining quality of the final workpiece is improved.

The invention belongs to the technical field of part machining, and discloses a mechanical part machining environment-friendly device which comprises a machine tool body and further comprises a water inlet assembly, a water outlet assembly and a water outlet assembly. The water inlet assembly is installed on the other side of the machine tool body and is arranged opposite to the clamping device. Water is sprayed to the grinding frame through the water inlet assembly and the water spraying assembly, the guide plate is reset under the action of the connecting elastic piece, and the guide plate makes contact with a protrusion on the periphery of the fixing ring in a reciprocating mode, so that the guide plate repeatedly rotates at the hinged position of the grinding frame, the guide plate vibrates, and water on the periphery of the guide plate repeatedly makes contact with the inner wall of the grinding frame in the vibration process; the polishing frame is subjected to heat exchange and cooling through water, the overheating phenomenon caused by long-time polishing of the polishing frame and the polishing wheel is avoided, the service life of the polishing frame and the polishing wheel is prolonged, meanwhile, the phenomenon that cooling water splashes in the nylon round cake polishing process is effectively avoided, and the cleanliness in a machine tool is guaranteed.

The invention discloses a method for improving the processing safety of residual food in a restaurant. The method comprises the following steps: performing high-temperature sterilization treatment on the residual food, including leftovers and rice, in the restaurant collected from the restaurant; stirring the remaining food in the restaurant while performing high-temperature sterilization treatment on the remaining food in the restaurant; during the high-temperature sterilization treatment and stirring treatment of the remaining food in the restaurant, overload detection is carried out on a motor executing the stirring treatment operation; detecting the change rate of the content of water vapor generated by high-temperature sterilization treatment of the remaining food in the restaurant while detecting the overload of the motor; if the motor overload detection result is that the motor is not overloaded, the heating temperature is adjusted according to the detected water vapor content change rate and the high-temperature sterilization treatment time, so that the heating temperature is converted from the high-temperature sterilization treatment temperature to the drying treatment temperature; the residual food in the restaurant is processed into a sterilized and environment-friendly yellowish-brown dry granular or fibrous powder substance.

The invention provides a high-safety waste lithium battery material recycling device, and belongs to the technical field of waste lithium battery treatment. Comprising a saline water tank, saline water used for discharging a lithium battery body is stored in the saline water tank, the discharging mechanism comprises a gear motor fixed to the side face of the saline water tank, the output end of the gear motor penetrates through the saline water tank and is fixedly provided with a driving disc, the driving disc is located in the saline water tank, and multiple sets of discharging boxes are arranged in the saline water tank; the multiple discharging boxes in the same group are arranged along the axis of the driving disc, and connecting frames are fixed to the sides, close to the gear motor, of the discharging boxes. Through the arrangement of the discharge box, the lithium battery body is placed in the discharge box, the lithium battery body is sealed by the discharge box, and the lithium battery body is prevented from being in contact with saline water, so that subsequent airing or drying treatment is not needed, the recovery treatment process of the lithium battery body is simplified, and the convenience of the recovery treatment work of the lithium battery body is improved.

The present invention discloses a wear-resistant liquid-cooled cable with an ultra-large current load for new energy, and belongs to the technical field of liquid-cooled cable processing. The present invention is used to solve the technical problem in the prior art that the wear resistance of liquid-cooled cables and the heat dissipation efficiency in high-temperature environments need to be further improved. A wear-resistant liquid-cooled cable with an ultra-large current load for new energy includes a plurality of conductors, and the exteriors of the plurality of conductors are sequentially provided with an insulating layer, a shielding layer, and an outer sheath layer; a heat exchange layer composed of a plurality of heat exchange tubes is provided between the shielding layer and the outer sheath layer, and the plurality of heat exchange tubes are all arranged in a spiral shape. The present invention improves the heat exchange performance inside the cable by preparing the insulating layer using a thermally conductive filler, and improves the thermal insulation and wear resistance of the cable outer sheath layer by preparing the cable outer sheath layer by synthesizing a composite polyolefin, thereby obtaining a liquid-cooled cable with high heat exchange efficiency inside, wear resistance outside, and suitable for high temperatures.

The invention discloses a mining low-smoke low-halogen whole-core flame-retardant conveying belt mechanism with a detection alarm structure, and relates to the technical field of conveying belts. According to the mining low-smoke low-halogen whole-core flame-retardant conveying belt mechanism with the detection alarm structure, through the arrangement of the positioning frame, when the conveying belt penetrates through the detection frame in the running process, the surface temperature of the conveying belt can be detected through the detection frame, and the phenomenon of overheating in the equipment running process is avoided; and meanwhile, through cooperation of a limiting frame and a concave detector, the bearing of the equipment can be set, warning can be conducted in time when the overload phenomenon occurs in the running process of the conveying belt, and the using effect and operation safety of the equipment are effectively improved.

The invention relates to the technical field of sewing equipment, in particular to sewing equipment for life jacket manufacturing and a sewing technology.The sewing equipment comprises a sewing machine bed and a movable sewing module which is arranged in the sewing machine bed and used for sewing life jackets, a T-shaped frame plate is fixedly arranged on the sewing machine bed, and a dye liquor bin box is fixedly arranged on the T-shaped frame plate; a plurality of groups of dye liquor bin boxes are arranged, the dye liquor bin boxes respectively contain dye liquor with different colors, a vibration pressing rod is arranged above the dye liquor bin boxes, and a V-shaped fork head is fixedly arranged at the lower end of the vibration pressing rod; according to the sewing equipment, in the life jacket sewing process, free color switching of sewing threads is achieved without shutdown and thread breakage, and therefore the sewing equipment adapts to the design of life jackets of more complex styles.

The invention discloses a method for preparing 1-chloro-1, 1-difluoroethane and co-producing 1, 1-difluoroethylene, which comprises the following steps: mixing 1, 1-difluoroethane, chlorine and a hot substance, preheating, introducing into a reactor, and carrying out thermal chlorination reaction to obtain 1-chloro-1, 1-difluoroethane and 1, 1-difluoroethylene, wherein the reaction temperature of the thermal chlorination reaction is 300-600 DEG C, and the reaction retention time is less than or equal to 150s. The hot substance is introduced in the hot chlorination reaction process to take away the heat of the reaction system, so that the temperature rise of the reaction system is prevented from being too fast, the reaction temperature is easy to control, and the yield of the target product is improved. Besides, the method avoids the use of a catalyst, can co-produce the downstream product 1, 1-difluoroethylene of the 1-chloro-1, 1-difluoroethane, has the advantages of simple process, high production efficiency, low production cost, continuous production and the like, and is a feasible industrial route for production.

The invention discloses a liquid metal-based vibration suppression and noise reduction cooling motor structure, which comprises a shell, a motor stator and a motor rotor, and is characterized in that the interior of the shell is of a hollow structure, the inner surface and the outer surface of the shell are covered with honeycomb structure units, and the interior of the hollow shell is divided into an upper semicircular ring layer cavity and a lower semicircular ring layer cavity; cavities of the upper and lower semicircular ring layers are filled with liquid metal; liquid metal-based magnetofluid is filled between the casing and the motor stator, and sealing rings are arranged at the two axial ends, in contact with the internal honeycomb structure, of the stator core. The honeycomb structures are designed on the inner surface and the outer surface of the shell, filling of the liquid metal and application of the liquid metal-based magnetofluid are combined, the heat dissipation performance of the motor is remarkably improved, the liquid metal-based magnetofluid plays a vibration reduction role between the stator and the shell, vibration impact in the operation of the motor is relieved, and the service life of the motor is prolonged. Noise generated during operation of the motor can be absorbed and attenuated, noise propagation is further reduced through an interference path of the honeycomb structure, and the motor can operate more quietly and stably.

The invention discloses a coal-fired unit deep peak shaving system coupled with electric heating high-temperature phase change heat storage, and relates to the technical field of power generation. The matching capacity of the heat storage system and the full-working-condition operation parameters of the high-parameter coal-fired unit can be effectively enhanced, so that the deep peak regulation capacity and the variable load rate of the coal-fired unit are improved, meanwhile, the energy density, the electricity-heat conversion efficiency and the economic benefits of the heat storage device are improved, and the unit can be prevented from running in an over-low load mode so as to improve the efficiency and prolong the service life. The coal-fired unit deep peak shaving system comprises a coal-fired unit and a high-temperature phase change heat storage system. According to the invention, the peak regulation flexibility of the coal-fired unit is improved, the energy density, the electricity-heat conversion efficiency and the economic recovery period of the heat storage device are also improved, and the over-low load operation of the unit can be prevented so as to improve the efficiency and the service life.

The utility model discloses a PTC (Positive Temperature Coefficient) heating corrugated pipe for a warmer, which relates to the technical field of warmers and comprises a shell, a heating mechanism is arranged in the shell, a ventilation mechanism for air inlet and outlet is arranged on the surface of one side of the shell, and a protection component for protection is arranged on the surface of one side of the shell. An auxiliary assembly is further arranged on the surface of one side of the shell, the heating mechanism comprises a plurality of corrugated pipe bodies, sleeves are arranged on the surfaces of one sides of the corrugated pipe bodies, the sleeves are fixedly installed on the surface of one side of an installation base, the installation base is fixedly installed on the surface of one side of the shell, a storage battery is further arranged on the bottom face of the shell, and a temperature sensor is arranged on the upper surface of the shell. According to the scheme, due to the fact that the heating mechanism and the ventilation mechanism are arranged, the energy efficiency of the warmer is improved, energy waste is reduced, and the use safety is remarkably enhanced.

The invention relates to the technical field of chemical equipment, and discloses a methanation fixed bed reactor. The methanation fixed bed reactor comprises a reactor wall with a multi-layer structure and a reaction chamber defined by the reactor wall, and the reactor wall with the multi-layer structure comprises a metal shell, a refractory layer, a heat insulation layer and an aerogel heat preservation layer; the heat insulation layer and the fireproof layer are sequentially arranged on the inner wall of the metal shell, and the aerogel heat preservation layer is arranged on the outer wall of the metal shell. And the thicknesses of the fireproof layer and the heat insulation layer meet the requirement that the temperature of the outer surface of the metal shell is lower than 300 DEG C. The fireproof layer and the heat insulation layer are used for preventing overtemperature of the reactor wall, the aerogel heat preservation layer is used for conducting heat preservation on the reactor wall, the situation that when the environment temperature changes, the temperature difference between the interior and the exterior of the reactor wall is too large, gas condensation is caused, and a reactor is damaged is avoided, and the aerogel heat preservation layer thermochromism can give an alarm in time.

This invention discloses a solid-phase thickening reactor for PETG chips, belonging to the field of polyester chip processing technology. It includes an outer cylinder with an inlet pipe and an outlet pipe installed at its top and bottom, respectively. Support legs are installed on the side of the outer cylinder. Inside the outer cylinder are a supporting cylinder and four movable inner cylinders. Connecting rings connect the supporting cylinder to the movable inner cylinders and between adjacent movable inner cylinders. This invention ensures that each chip can undergo sufficient and uniform heat exchange with the heat medium, eliminating heating "dead zones" and temperature differences in traditional equipment. Based on the synergistic effect of uniform dispersion, controllable feeding, and a three-dimensional thermal field, the raw material can undergo a thickening reaction in the reactor in an optimal state. This ensures the uniformity and thoroughness of the reaction, effectively avoiding quality problems such as chip viscosity differences and yellowing caused by uneven heating or inconsistent reaction times. Therefore, it significantly improves the final product quality, production efficiency, and batch stability of the PETG chips.

The invention relates to a start-up method of a hydrogenation device filled with a true sulfuration state hydrogenation catalyst, which comprises the following steps: when the highest temperature of a catalyst bed layer in a fixed bed reactor is less than or equal to the temperature T, introducing start-up distillate oil into the fixed bed reactor, raising the inlet temperature of the fixed bed reactor from T0 to T1 at the heating rate of W1, and then raising the inlet temperature of the fixed bed reactor from T1 to T2 at the heating rate of W2, w1 is larger than W2, different heating curves are set according to the properties of the start-up distillate oil and the sulfuration degree of the true sulfuration state catalyst, it is ensured that the start-up heating process is stable, the temperature runaway condition is avoided, and therefore the rapid and stable start-up requirement is met, and the activity of the true sulfuration state catalyst is well protected.

The utility model relates to an exhaust cooling device of a 3D (three-dimensional) printer, which is used for heat dissipation of a nozzle driving power supply of the 3D printer and comprises a shell, an air inlet is arranged at the front end of the shell, the shell is connected with an air feeder through an air inlet pipe, an air outlet is arranged at the rear end of the shell, and an airflow channel is arranged in the shell. A plurality of nozzle driving power sources are arranged in the airflow channel in the airflow direction, a nozzle control circuit board is arranged on the upper surface of a top plate of the shell, and the top plate is a heat conduction plate and can conduct heat of the circuit board into the airflow channel and take away the heat by airflow. Connecting wings are arranged on the two sides of the shell, so that the device can be conveniently installed on the 3D printer. The lower part of the front end of the shell is provided with a plurality of wire passing windows for connecting flat cables of the nozzle driving power supply and the printer nozzle to pass through. The air flow channel, the heat conduction structure and the installation design are adopted, the heat dissipation efficiency is remarkably improved, the operation temperature of equipment is reduced, the service life is prolonged, meanwhile, installation and maintenance are convenient, and applicability is high.

This invention relates to the field of remote crane control technology, specifically a crane control device, comprising a cabinet, a support carrier, and a guardrail. The cabinet is mounted on the support carrier; the guardrail is also mounted on the support carrier; the support carrier is the crane's frame or trolley; a control mechanism is installed inside the cabinet, which receives control commands remotely sent from the control room; the control mechanism integrates the crane's electric hoist control unit, trolley control unit, and crane trolley control unit; it also includes: a detection mechanism installed inside the cabinet; and a protective mechanism installed inside the cabinet, used to detect if the cabinet becomes loose. This invention achieves remote control of port container cranes by controlling the movement of the trolley and crane units within the crane, as well as the movement of transported containers, through the control mechanism; and it eliminates the need for personnel to frequently climb the crane to maintain the cabinet, greatly improving the convenience of inspections.

The invention discloses a high-temperature-resistant anti-interference cable which comprises an inner protective sleeve and cable bodies, the four cable bodies are arranged in the inner protective sleeve, a circle of sliding blocks are arranged on the outer side of the inner protective sleeve at equal intervals, and a circle of sliding grooves are slidably connected to the outer sides of the circle of sliding blocks in a penetrating mode. Meanwhile, a circle of sliding grooves are formed in the inner side of the outer protection sleeve at equal intervals, a shielding layer is arranged in the inner groove of the inner protection sleeve in an attached mode, and the outer protection sleeve is installed on the outer side of the inner protection sleeve in a penetrating and sliding mode. The high-temperature-resistant anti-interference cable is provided with the shaping rod, the four cable bodies are arranged in the inner protective sleeve, and then the shaping rod is arranged at the center of the inner protective sleeve, so that when the cable is matched with the inner protective sleeve for power transmission, the use position of the inner protective sleeve can be positioned through the shaping rod; the phenomenon that the inner protective sleeve and the four cable bodies are bent during use in the later period is avoided, and the service life of the cable bodies is prolonged.

The invention discloses a process and a device for preparing LNG (Liquefied Natural Gas) and co-producing carbon dioxide from coke oven gas, belonging to the field of chemical industry. The coke oven gas subjected to fine desulfurization is divided into two paths, the first path directly enters a methanation section, the second path enters a CO conversion tower, CO is converted into CO2 through a water gas conversion reaction, and H2 is generated at the same time; the converted gas is cooled by a heat exchanger I2 or a steam boiler and then enters an alcohol amine decarburization tower, CO2 is partially or almost completely removed by spraying an alcohol amine solution, and the alcohol amine solution is heated and regenerated to obtain high-purity CO2 as a chemical raw material; the decarburized gas and the first path of gas are converged and then enter a methanation section, and H2 reacts with CO and CO2 in three methanation reactors which are connected in series and in parallel to generate CH4. The device comprises a main pipeline, a CO conversion tower, a heat exchanger, an alcohol amine decarbonization tower, an alcohol amine regeneration tower, a methanation reactor and the like. According to the invention, large-air-volume circulation and a compressor are avoided, the cost is saved, high-purity CO2 is co-produced, the CO / CO2 content and temperature rise can be flexibly regulated and controlled, and temperature runaway is prevented.

This invention discloses a heat dissipation structure for a thermal power plant transformer, including a body with a storage compartment inside, and a transformer protective shell inside the storage compartment. The transformer protective shell has an air intake grille, and a mounting component is located inside the protective shell. The mounting component has a vertically penetrating mounting groove, and a suitable transformer component plate is nested inside the mounting groove. The lower side of the mounting groove is spaced apart from the transformer shell, and the lower side of the transformer component plate has multiple semi-through slots. This invention solves the problems of poor heat dissipation in traditional thermal power plant transformers, heat accumulation on the back of the transformer component plate leading to overheating and malfunction, and reduced component lifespan.

The utility model provides a DMAC solvent wastewater heat pump rectification system, which is applied to the technical field of heat pump rectification, suitable raw materials comprise DMAC wastewater, DMF wastewater and DMSO wastewater, the raw materials are conveyed to a rectification module for three-stage rectification after being heated for three times by a feeding module, a steam compressor module collects steam in the rectification module for temperature and pressure increasing, and the steam in the rectification module is conveyed to a rectification module for three-stage rectification. Transmitting to the rectification module as a heat source; the feeding module comprises a product preheater used for carrying out heat exchange on qualified products generated by the rectification module and raw materials, a distilled water preheater used for carrying out heat exchange on distilled water generated by the rectification module and the raw materials, and a non-condensed steam preheater used for carrying out heat exchange on non-condensed steam generated by the rectification module and the raw materials; the steam compressor module comprises a first-stage steam compressor and a second-stage steam compressor which are connected in series. According to the DMAC solvent wastewater heat pump rectification system, the working efficiency can be improved, and the electric energy loss and the steam consumption can be reduced.

The utility model discloses a copper flash smelting furnace reaction tower barrel water cooling spare, including E type water cooling spare and steel frame, E type water cooling spare is by three layers horizontal tooth and vertical panel constitutes E shape structure, and two way copper embedded pipe is pre -buried in horizontal tooth, and two way copper embedded pipe is pre -buried in vertical panel, the steel frame is fixedly connected with E type water cooling spare through high -strength bolt and forms water cooling spare assembly, and water cooling spare assembly has three, and each is a layer, and three layers are connected through high -strength bolt from below to top, and form complete water cooling wall structure, the utility model discloses that the traditional flat water jacket sandwich brick is changed into three layers water cooling spare assembly structure, solves the problem, such as the flat water jacket interlayer sandwich brick layer of prior art is easy to be washed and eroded by high temperature flue gas, water jacket copper pipe exposes and leaks, and the tower wall hangs the nonuniform problem such as slag, E type water cooling spare and steel frame assembly structure, through pre -buried copper embedded pipe and enhance the cooling effect, make the reaction tower wall hang more uniform, avoid tower wall overheating phenomenon, improve water cooling spare service life and production capacity significantly.

According to the water bath ohmic heating device provided by the utility model, water bath and ohmic heating are innovatively combined, so that current in meat blocks can be uniformly distributed through heat transfer of a water bath medium, and the condition that some areas of the meat blocks are excessively heated under the condition of traditional ohmic heating is effectively avoided; the quality of the meat blocks is ensured, and meanwhile, rapid heating is realized. Meanwhile, in the device, the current distribution condition in the meat blocks is fed back in real time through a telescopic current polar plate, so that the voltage of different areas is adjusted to ensure the uniformity of current distribution in the materials; and the ultrasonic transmitter can uniformly distribute the injected saline water, so that the conductivity of each part in the raw material is basically the same. The devices and the heating principle are combined together to ensure that the meat loaves are heated from outside to inside, overheated points are effectively prevented, uneven heating of the meat loaves is avoided, and then the quality of the meat loaves is ensured.

The utility model discloses a novel tile sintering tunnel kiln which comprises a heat supply fan, a heat supply pipeline, a moisture removal fan, a moisture removal pipe, a heating pipe and an adjusting mechanism for adjusting the flow of high-temperature flue gas entering the heating pipe, one end of the moisture removal pipe is connected with the moisture removal fan, and the other end of the moisture removal pipe is connected with a flue gas treatment mechanism. The outer surface of the moisture removal pipe is coated with a heat preservation layer, a humidity sensor for detecting the humidity of flue gas in the moisture removal pipe is arranged in the moisture removal pipe, a heating pipe is coaxially arranged in the moisture removal pipe, a plurality of heat conduction pieces are evenly distributed on the outer wall of the heating pipe in the circumferential direction of the heating pipe, the heat supply fan is connected with the heat supply pipeline, the heat supply pipeline is provided with heat supply branch pipes, and the heat supply branch pipes communicate with the heating pipe. The adjusting mechanism comprises a rotating shaft, a motor, a connecting rod, a first bevel gear, a second bevel gear, a first baffle and a second baffle, the flow of high-temperature flue gas is adjusted according to the humidity of the flue gas in the moisture removal pipe, excessive heating is avoided, and energy is saved.

The utility model relates to a heat dissipation structure for a PGU of a vehicle-mounted HUD light machine, which comprises the HUD light machine (1), and a light guide support (2) and the PGU (3) connected with the light guide support (2) are arranged in the HUD light machine (1). And a heat dissipation structure is arranged on the light guide bracket (2). According to the device, a heat dissipation structure is arranged on a light guide support, and a PGU is connected with the light guide support; the heat dissipation structure can quickly transfer heat generated by the PGU from the light guide support to the outside of the HUD light machine. The PGU comprises a lamp panel; the HUD optical machine comprises a rear cover. As one scheme, the rear cover is directly connected with the lamp panel; according to another scheme, a cooling fin is arranged between the rear cover and the lamp panel, and meanwhile heat conduction silica gel is further arranged between the cooling fin and the lamp panel. Therefore, a large amount of heat generated by the lamp panel can be quickly conducted to the rear cover and then transferred to the external environment through the rear cover. Therefore, rapid heat dissipation of the PGU is realized.

The invention relates to the field of preparation of catalysts, and discloses a nickel-based catalyst, a preparation method and application thereof, and a method for synthesizing ammonia. The preparation method of the nickel-based catalyst comprises the following steps that (1) an alloy containing Ni, Al and auxiliary metal is provided, and the auxiliary metal is selected from at least one of VA group metal elements, transition metal elements except for IVB and VB groups and lanthanide series metal elements; (2) grinding the alloy to obtain alloy powder; (3) in the presence of alkali liquor, the alloy powder is subjected to dealumination treatment; and (4) in the presence of a solvent, aging a product obtained by dealumination treatment in the step (3) and a catalyst carrier. According to the invention, non-noble metal Ni is used as a main active component of the catalyst, a catalyst formula and a reaction route are optimized, water is used as a reaction solvent, so that generated ammonia can be rapidly dissolved, and meanwhile, a complete mixed flow reaction mode is adopted, so that efficient catalytic synthesis of ammonia at low temperature and low pressure is realized.

The application discloses a process method for preparing ethyl acetoacetate by crude ester circulation cooling, and belongs to the technical field of chemical industry. The method can dilute the heat generated in the reaction in time and effectively by performing crude ester circulation in the continuous reaction process, better solves the problem of heat accumulation in the reactor, and cannot dissipate heat in time, thereby causing the problem of rapid temperature rise, and avoids the "flying temperature" in the reaction process; the temperature in the reactor is stable without other complex and strict operation control, the operation is simple and feasible; the content of the crude product, the product quality and the yield are improved; the content of the crude methyl acetoacetate obtained by the method is 97.8-98.1%, the content of the finished product after rectification is 99.5-99.7%, and the product yield is 97.8-98.2%; the high-temperature resistance requirement of the pipeline equipment is reduced, and the safety hidden danger is reduced.

The invention discloses an RGB light source structure, and belongs to the technical field of semiconductor lighting, the RGB light source structure comprises a packaging support, a light emitting module is arranged in the packaging support, and pin structures electrically connected with the light emitting module are arranged at the front end and the rear end of the packaging support; the center of the top of the packaging support is provided with a packaging structure used for sealing the light-emitting module. A heat dissipation structure is further arranged in the packaging support and used for guiding and outwards diffusing heat in the working process of the light-emitting module. And one side of the rear end of the top of the packaging bracket is also provided with a cathode gap. By designing different heat dissipation structures, the active heat dissipation effect can be achieved even if auxiliary heat dissipation of external auxiliary heat dissipation equipment does not exist, then heat can be dissipated outwards autonomously in the continuous working process of the RGB light source, the working temperature of a core working area of the RGB light source is reduced, and therefore the overheating condition is effectively prevented.

The utility model relates to a distributing device of a smoke exhaust type lime shaft kiln, and belongs to the technical field of lime kiln equipment in the metallurgical industry. According to the technical scheme, a kiln shell (3) is of a cylindrical structure with the upper end closed, a round lime shaft kiln feeding port (2) is formed in the center, a chimney (1) is arranged on the periphery, a preheating zone, a calcining zone and a cooling zone are sequentially arranged in the kiln shell (3) from top to bottom, a material storage zone is arranged on the preheating zone, and a plurality of circles of vertically-arranged smoke exhaust pipes (6) are arranged in the material storage zone with the center of the kiln shell (3) as the circle center. The lower end of each circle of smoke exhaust pipe (6) is communicated with the preheating zone, a smoke exhaust material surface (9) is formed between the end surfaces of the lower ends of each circle of smoke exhaust pipe (6), the end surface of the upper end of each circle of smoke exhaust pipe (6) is higher than a limestone high material level material surface (7), the smoke exhaust pipes (6) are connected together through tie bars, and the smoke exhaust pipes (6) and the kiln shell (3) are connected together through tie bars. The utility model has the beneficial effects that the airflow distribution in the kiln is more uniform, and the product calcining quality is good.

The invention discloses a system for deeply adjusting steam temperatures of main steam and reheat steam and an operation method, and belongs to the technical field of combustion power generation. The system for deeply adjusting the steam temperature of the main steam and the reheat steam comprises a combustion power generation system and a front steam turbine system, and cooperative control over the main steam and the reheat steam is achieved through cooperative design of the combustion power generation system and the front steam turbine system in combination with multi-path steam distribution; by additionally arranging the first peak-shaving low-pressure cylinder, the second peak-shaving low-pressure cylinder and the second power generator which are coaxially connected, the power generation load is flexibly adjusted while the heat supply amount is guaranteed, and by adjusting the steam inlet amount of the first peak-shaving low-pressure cylinder and the steam inlet amount of the second peak-shaving low-pressure cylinder, the main steam pressure of the boiler is kept stable, and overtemperature of reheated steam is avoided.

The application provides a preparation method of a high-beryllium-content beryllium copper alloy material, which comprises the following steps: melting metal raw materials containing pure copper and a beryllium copper master alloy to obtain an alloy liquid, casting the alloy liquid to obtain an ingot, uniformly treating the ingot to obtain a homogenized casting blank, hot-rolling the homogenized casting blank to obtain a hot-rolled blank, annealing the hot-rolled blank to obtain an annealed blank, performing a cyclic "cold rolling-intermediate annealing" process on the annealed blank, and finally performing finish rolling and product annealing on the alloy strip to prepare the high-beryllium-content beryllium copper alloy material. The method can solve the problems of the second phase component of the high-beryllium-content strip being inconsistent, the strip being cracked, side-bent and wrinkled, and a large number of processing passes in the prior art.