1927 results about "Cooling chamber" patented technology

The invention relates to a clean energy combustion technology, and aims to provide a rotational flow on-duty multi-element micro-mixing coupling type low-nitrogen combustion device for hydrogen-doped natural gas. Comprising an air cooling cavity, an air bin fixing cavity and a gas bin fixing cavity which are sequentially stacked from top to bottom. An on-duty combustion unit of a sleeve structure is arranged in the center of the burner in a penetrating mode, and micro-mixing combustion units, independent air bins and independent fuel gas bins are evenly arranged in the circumferential direction in a surrounding mode. A plurality of micro-mixing spray pipes are arranged in an air cooling sleeve of the micro-mixing combustion unit in the axial direction in an array mode, and fuel spray pipes are arranged on a second fixed disc in the axial direction in an array mode. The closed end of the fuel spray pipe extends into the micro-mixing spray pipe corresponding to the fuel spray pipe, and a fuel gas inlet is formed in the bottom of the fuel gas bin fixing cavity. After external air is introduced through an air circulation path from top to bottom to cool the head of the combustor, the heated air is mixed with fuel for combustion, and safe, efficient and low-emission application of natural gas large-proportion hydrogen-doped fuel is achieved.

The invention relates to the technical field of axial flux motors, in particular to a stator cooling structure, a stator assembly and an axial flux motor, the stator cooling structure comprises a shell and a partition plate, the shell is internally provided with a cooling cavity for accommodating a plurality of stator units, and the shell is connected with an inlet for inputting a cooling medium and an outlet for outputting the cooling medium; the partition plate is connected into the shell and divides the cooling cavity into a first cavity and a second cavity in the thickness direction. The partition plate is provided with a first via hole matched with the stator unit and a plurality of channels communicated with the first cavity and the second cavity, and reciprocating flow of a cooling medium between the first cavity and the second cavity is achieved through the channels. The stator heat dissipation effect can be improved, and local high temperature in the stator is prevented.

The invention belongs to the technical field of semiconductor manufacturing, and discloses a process chamber and atomic layer deposition equipment. The process chamber comprises a chamber body and a spray header, the chamber body is provided with a reaction cavity and an exhaust passage communicated with the reaction cavity, the spray header is arranged in the reaction cavity and is provided with an air inlet, a spray cavity and a plurality of spray holes, the air inlet is communicated with the spray cavity, the spray cavity is communicated with the reaction cavity through the spray holes, a guide plate is arranged in the spray cavity, and the guide plate is communicated with the reaction cavity through the spray holes. The guide plate is positioned between the air inlet and the plurality of spraying holes, and is used for dispersing and guiding air introduced from the air inlet to the plurality of spraying holes; the atomic layer deposition equipment comprises the process chamber and further comprises a preheating chamber, a cooling chamber and a conveying device, and the preheating chamber, the process chamber and the cooling chamber are sequentially arranged in the conveying direction of the conveying device. According to the process chamber, the uniformity of precursor gas injection is effectively improved, the thickness consistency of an atomic layer film on a substrate is improved, and the generation effect of the atomic layer film is ensured.

The invention relates to the technical field of quenching, in particular to a high-toughness steel wire production quenching furnace and a quenching process thereof. The quenching furnace comprises a furnace body, a heating chamber and a cooling chamber are arranged in the furnace body, a blocking mechanism is arranged between the cooling chamber and the heating chamber, a conveying mechanism is arranged in the cooling chamber, a mounting frame is arranged at the bottom of the cooling chamber, and a quenching oil tank used for storing quenching oil is arranged in the mounting frame. A stirring mechanism and a reciprocating mechanism are arranged in the quenching oil tank; oil in the quenching oil tank flows through up-down reciprocating motion of the pressing plate, temperature layering of the upper layer and the lower layer of the oil is broken, heat exchange is promoted, the temperature of the oil is more uniform, when the pressing plate reciprocates up and down and ascends, the through holes are opened, the oil in the upper layer can smoothly pass through, and when the pressing plate descends, the through holes are closed. Therefore, the speed of oil in the lower layer flowing to the upper layer in the oil tank is increased, convection of oil in the quenching oil tank is more sufficient, and the temperature difference between the upper layer and the lower layer is further reduced.

The invention discloses an efficient chip removal and cooling device for a drill bit, and relates to the field of drilling tools. An efficient chip removal and cooling device for a drill bit comprises a mounting frame, and further comprises a sliding frame, a chip removal device and a cooling device, the mounting plate is connected to the sliding frame in a lifting mode, a rotating sleeve is rotationally connected to the mounting plate, a drill bit is detachably connected to the rotating sleeve, and a chip groove is formed in the outer wall of the drill bit; according to the drill bit, the spiral chip removal groove in the outer wall of the drill bit is matched with the cooling liquid obliquely and upwards sprayed out of the liquid spraying holes, the cooling liquid generates upward scouring force on cuttings, the chip removal capacity is greatly improved, cuttings are effectively prevented from being blocked, and the chip removal efficiency and the drilling quality are improved; cooling liquid enters the spiral cooling cavity through the liquid supply pump via the liquid conveying pipe and the rotary connector, the contact area of the cooling liquid and the drill bit is increased, the retention time of the cooling liquid and the drill bit is prolonged, the cooling effect is remarkably improved, the temperature of a drill lip is reduced, and the service life of the drill bit is prolonged.

The invention relates to the technical field of photosensitive dry film production, in particular to a drying device for photosensitive dry film production, which is characterized in that a shell is internally provided with five chambers from left to right in sequence, namely a preheating chamber, a wetting chamber, a drying chamber, a cooling chamber and a winding chamber, a cooling assembly used for cooling the photosensitive dry film is installed in the cooling chamber, and guide rollers used for guiding the photosensitive dry film are installed in the five cavities in the shell, so that the photosensitive dry film gradually moves from the preheating chamber in the preset direction, and winding is completed through a winding device installed in the winding chamber. According to the photosensitive dry film drying device, the preheating chamber, the wetting chamber, the drying chamber and other parts are arranged, the drying effect can be effectively improved through multiple stage type treatment modes, and the situation that in the high-temperature drying process of a photosensitive dry film, due to the fact that water on the surface volatilizes rapidly and water in a film layer volatilizes slowly, the photosensitive dry film warps or deforms is prevented.

The invention relates to a high-power-density marine split-type permanent magnet shaft generator, which comprises a split-type stator, a split-type rotor and a cooling chamber, and is characterized in that a circulating water channel is arranged on the outer wall of a base of the split-type stator and is connected through a cooling water pipe; an air inlet and an air outlet are formed in two ends of the base; the cooling chamber is integrated at the top of the generator; the split-half rotor comprises a permanent magnet, a rotor core, a rotor support and an expansion sleeve. The rotor core is provided with a plurality of ventilation holes in the axial direction. The generator adopts a stator surface water cooling and forced air cooling mixed cooling system, and a water cooling channel and an air cooling channel operate independently and dissipate heat cooperatively. Through the structural design of the generator, the stator and the rotor of the generator are fully cooled, the heat dissipation efficiency of the generator is improved, and the power density of the generator is improved. A generator rotor permanent magnet is of a tangential structure, and the power density of the generator is further improved. And the ventilation holes are axially added to the rotor iron core, so that the weight of the rotor is reduced, and the influence on the original shafting of the ship is reduced.

The invention discloses a device and a method for preparing a single-walled carbon nanotube by a thermal plasma CVD (chemical vapor deposition) method, and relates to the technical field of nano carbon material preparation, the device structurally comprises a thermal plasma electric arc furnace, a CVD growth chamber, a cooling chamber and a collecting tank which are sequentially connected in series, the thermal plasma electric arc furnace structurally comprises hollow graphite serving as a cathode, a graphite crucible serving as an anode and a furnace body. The graphite crucible is located on the lower portion of the thermal plasma electric arc furnace, and the hollow graphite is located on the upper portion of the thermal plasma electric arc furnace and above the graphite crucible. According to the device and the method, a two-step continuous growth process is adopted, so that the yield and the quality of the single-walled carbon nanotube are remarkably improved; and meanwhile, the common problems of excessive catalyst, coking short circuit, arc breaking and the like in the process of preparing the single-walled carbon nanotube by a conventional plasma arc method can be effectively avoided through a shallow crucible and a bottom gas inlet mode, so that the continuous stability and the yield of the reaction are greatly improved, and the method is an effective route for large-scale preparation and has important commercial value.

The invention relates to a self-propelled construction machine, in particular a soil compaction machine or soil milling machine, and a method for cooling a cooling room or a cooling compartment of a self-propelled construction machine.

Systems and apparatuses include a container for a generator set. The container includes a housing including a cooling room structured to support a radiator and a radiator fan within the housing, an exhaust room structured to support an aftertreatment system, an engine room structured to contain the engine and the alternator within the housing, an air intake system positioned adjacent the engine room, and a control room structured to support control equipment for the generator set. The exhaust room may further support after treatment components including a muffler and an exhaust pipe.

The invention relates to the technical field of chip welding, and discloses a continuous vacuum welding device for an IGBT (Insulated Gate Bipolar Translator) chip, which comprises a working channel formed by connecting a plurality of working furnaces in series, vacuum gate valves used for sealing the space are installed at an inlet and an outlet of the working channel and the butt joint position of every two adjacent working furnaces, and the conveying mechanism is used for conveying product carriers, is installed in the working furnaces and comprises two conveying assemblies symmetrically distributed on the two sides of the axis of the working channel; the two ends of the product carrier are erected on the conveying parts of the two conveying assemblies correspondingly. The preheating furnace, the welding furnace and the cooling furnace are connected in series to form the working channel, and the vacuum gate valves are mounted at the inlets and the outlets of the cavities, so that the adjacent cavities are independently sealed, the oxygen content of each cavity is controlled in an extremely low range, the ceramic copper-clad plate is prevented from being oxidized, the welding void rate is reduced, and the interface bonding strength is improved.

The utility model discloses a cooling device and annealing equipment. The cooling device comprises a cooling disc, a machine body provided with a cooling cavity, and an air intake and exhaust system. The machine body comprises a top wall plate located above the cooling cavity, and a boss with an air inlet diffusion cavity is arranged at the position, corresponding to the central area of the cooling disc, of the top wall plate. A top opening of the air inlet diffusion cavity communicates with an air inlet system located on the top face of the top wall plate. At least the central area of the bottom of the air inlet diffusion cavity is provided with a flow baffle; a plurality of air outlet holes are sequentially formed in the bottom of the air inlet diffusion cavity in the circumferential direction of the flow baffle, and the two ends of each air outlet hole communicate with the air inlet diffusion cavity and the cooling cavity correspondingly. According to the application, the air inlet diffusion cavity, the flow baffle and the plurality of air outlets are arranged in the central area of the top of the cooling cavity, so that the airflow field can be optimized, and the problem of low product yield caused by the fact that some peeled wafers fall back on the wafer in the cooling process after the annealing process is solved.

The utility model provides a silicon wafer carrier, a cooling chamber and semiconductor process equipment, the carrier comprises a metal bearing platform with a supporting surface, and a ceramic protruding piece which extends upwards out of the supporting surface and is used for supporting a silicon wafer is fixedly embedded in the metal bearing platform. When the silicon wafer subjected to rapid heat treatment is transmitted to the ceramic convex piece, the heat conduction coefficient of the ceramic convex piece is greatly reduced relative to the heat conduction coefficient of the metal bearing table, so that the heat conduction efficiency between the silicon wafer and the ceramic convex piece is reduced, and the problem of silicon wafer cracking caused by sudden drop of the single-point temperature of the silicon wafer is further avoided.

A deposition apparatus comprises: an infeed chamber; a preheat chamber; a deposition chamber; and optionally at least one of a cooldown chamber and an outlet chamber. At least a first of the preheat chamber and the cooldown chamber contains a buffer system for buffering workpieces respectively passing to or from the deposition chamber.

The invention discloses a segmented reverse rotor structure of a two-stage compression oil injection screw compressor. The segmented reverse rotor structure comprises a machine shell, a rotor and a rotor, the first-stage male rotor is rotatably installed in the first-stage compression chamber of the machine shell, and one end of a rotor shaft of the first-stage male rotor penetrates through a partition piece of the first-stage compression chamber and a partition piece of a second-stage compression chamber of the machine shell and extends into the second-stage compression chamber; the first-stage female rotor is rotatably mounted in the first-stage compression chamber and engaged with the first-stage male rotor; the second-stage male rotor is rotatably mounted in the second-stage compression cavity and coaxially connected to a rotor shaft of the first-stage male rotor, and the spiral direction of the second-stage male rotor is opposite to that of the first-stage male rotor; the second-stage female rotor is rotatably mounted in the second-stage compression chamber and engaged with the second-stage male rotor; and the cooling chamber is connected with a cooler through the oil return pipe. The two-stage screw compressor solves the problems that in an existing two-stage screw compressor, the load of axial bearings of the first-stage male rotor and the second-stage male rotor is large, and the service life is short.

Various aspects include devices, systems, and methods for cooling a heatsink of electronic equipment immersed in an immersion coolant tank with a coolant shroud. The coolant shroud includes side walls and a covering wall. The side walls mounted on a mounting surface within the immersion coolant tank and on which the heatsink is secured and at least one of the side walls includes a fluid port and a fluid aperture. The covering wall extends from and between the side walls, wherein the side walls and the covering wall together form a cooling chamber that receives the heatsink. Dielectric fluid inside the cooling chamber is in fluid communication with dielectric fluid outside the cooling chamber via the fluid aperture. The fluid port is in fluid communication with a dielectric fluid pump disposed outside the cooling chamber.

The present invention relates to the technical field of mechanical pumps, and in particular to a liquid variable displacement mechanical pump. A liquid variable displacement mechanical pump comprises a pump body, a diaphragm, an adjusting mechanism and a driving mechanism. A first installation cavity is provided on the pump body, and a heat insulation board is provided in the first installation cavity. The heat insulation board and the diaphragm define the first installation cavity into a liquid flow cavity, an adjusting cavity and a cooling cavity. External liquid passes through the liquid flow cavity, and a regulating liquid is provided in the adjusting cavity, and a cooling liquid is provided in the cooling cavity. Through the arranged adjusting mechanism, flowing external liquid is introduced into the liquid flow cavity, and the regulating liquid in the regulating cavity receives the heat transferred by the external liquid through the heat insulation board. Part of the cooling liquid enters the interior of the bellows, and the cooling liquid in the bellows cools the regulating liquid in the regulating cavity, thereby preventing the diaphragm from being damaged after being heated. The present invention provides a liquid variable displacement mechanical pump to solve the problem that the existing piston diaphragm pump may damage the diaphragm when conveying high-temperature liquid.

The invention belongs to the technical field of liquid cooling charging, and discloses a terminal assembly and a liquid cooling charging system.The terminal assembly comprises a conductive terminal, a cable and a cooling cavity, and the conductive terminal is provided with a plugging end and a connecting end; the cable is electrically connected to the connecting end; the cooling cavity is provided with a cooling inlet, one end of the cooling cavity is hermetically sleeved on the connecting end, and the other end of the cooling cavity is hermetically sleeved on the end part, used for connecting the connecting end, of the cable; the conductive terminal, the cable and the cooling cavity cooperate with each other to form a cooling cavity communicated with the cooling inlet, and a cooling medium is arranged in the cooling cavity. The terminal assembly provided by the invention has relatively high cooling efficiency, and the risk of relatively high temperature is reduced. The liquid cooling charging system has high charging efficiency.

The invention relates to the technical field of graphene carbon nanotube slurry production equipment, in particular to an energy-saving grinding device for producing graphene carbon nanotube slurry, which comprises a machine body, rotating rods are symmetrically, horizontally and rotatably mounted in a grinding cavity, grinding rollers are fixedly sleeved on the rotating rods, and guide blocks are fixedly mounted on the left and right cavity walls of the grinding cavity. And rotating openings are formed in the surface of the material guiding block, the two grinding rollers are located in the two rotating openings correspondingly, a cooling cavity is formed in the material guiding block, and a freezer is fixedly installed on the surface of the machine body. When the grinding roller carries out grinding work, cold air in the freezer intermittently enters the cooling cavity, the cold air makes contact with the material guiding block in the cooling cavity, the material guiding block makes sliding contact with the surface of the grinding roller through the rotating opening, and therefore heat of the grinding roller can be transmitted to the material guiding block through heat conduction; and heat exchange is realized through heat convection between the material guide block and cold air, so that the temperature of the grinding roller can be effectively reduced.

The invention provides a thermal shock testing device, system and method for a SiC coating graphite piece. The thermal shock test device for the SiC coating graphite piece comprises a heating chamber, a transition chamber and a cooling chamber, wherein a moving mechanism for carrying the graphite piece and switching the graphite piece between the heating chamber and the cooling chamber is arranged in the transition chamber; an induction coil for heating the graphite piece is arranged in the heating chamber; the cooling chamber is used for spraying a cooling substance to the graphite piece, and the cooling substance is a mixture of liquid inert gas and silicon dioxide wrapped paraffin phase change microcapsules. The problems of insufficient upper limit of heating temperature, poor heating uniformity of special-shaped parts, water-cooling weight loss, ultrahigh-temperature heat loss of graphite parts and the like are solved.

The invention discloses a high-efficiency and energy-saving vacuum coating unit and method. The vacuum coating unit comprises a vacuum coating machine, and a coil feeding device and a coil discharging device which are positioned at the inlet and outlet ends of the vacuum coating machine, the vacuum coating machine is provided with an inlet crop shear, a welding machine, a strip steel preheating chamber, a strip steel surface cleaning and activating chamber, a strip steel coating chamber, an after-plating cooling chamber and an outlet shear; the number of the coiling devices is two, the coiling devices are arranged at an inlet of the vacuum coating machine in parallel, the two coiling devices are respectively arranged in a vacuum cavity, the two vacuum cavities are respectively communicated with the vacuum coating machine through an inlet conveying pipeline, and the two inlet conveying pipelines are respectively provided with an inlet isolating valve; the number of the coil unloading devices is two, the two coil unloading devices are arranged at an outlet of the vacuum coating machine in parallel, the two coil unloading devices are respectively arranged in a vacuum cavity, the two vacuum cavities are respectively communicated with the vacuum coating machine through outlet conveying pipelines, and outlet isolating valves are respectively arranged on the two outlet conveying pipelines. According to the invention, the continuous coating of the strip steel can be realized on the premise of not breaking vacuum.

The invention discloses air treatment equipment and a control method. The air treatment equipment comprises a first matching pipeline, a first control pipeline, a first heat exchange unit, a water vapor compressor, a second heat exchange unit and a throttling component, wherein the first heat exchange unit, the water vapor compressor, the second heat exchange unit and the throttling component are sequentially connected. At least one of the first matching pipeline and the first control pipeline is provided with a first flow control component. The water vapor compressor comprises a shell, the shell is internally provided with a bearing sleeve and a stator, and the bearing sleeve is internally provided with a first cooling cavity; the rotor shaft is located in the shell and penetrates through the bearing sleeve and the stator; the bearing is sleeved between the bearing sleeve and the rotor shaft; the compression unit is arranged at the end part of the rotor shaft; on the basis of opening of the first flow control component, the first control pipeline is arranged to form fluid flowing from the first heat exchange unit to the first cooling cavity, and the first matching pipeline is arranged to form fluid flowing from the first cooling cavity to the first heat exchange unit. According to the scheme, a cooling device for cooling the water vapor compressor does not need to be additionally arranged, and the structure is simpler.

The invention relates to a GPU phase change liquid cooling heat dissipation device which comprises a bottom plate, a sealing ring, a heat dissipation cold plate and a cover plate. The sealing ring is pressed between the bottom plate and the GPU mainboard, and the GPU mainboard is pressed between the heat dissipation cold plate and the cover plate; a sealing groove, a cooling chamber, a liquid outlet, a liquid inlet, a ventilation groove and a rib plate are arranged on the bottom plate; the cooling chamber is arranged on the lower middle portion of the bottom plate, a sealing groove is formed in the upper portion of the cooling chamber, a liquid outlet and a liquid inlet are formed in the side, close to the cooling chamber, of the bottom plate, and the liquid outlet and the liquid inlet are communicated with the cooling chamber. The bottom of the bottom plate is provided with ventilation grooves and rib plates, the rib plates form a plurality of air channels, and the air channels are parallel or perpendicular to the air grooves. The heat dissipation cold plate comprises a cold plate inner wall, micro rib columns and a cold plate outer wall. A plurality of micro rib columns are arranged on the inner wall of the cold plate; compared with the prior art, the high-efficiency heat dissipation capability is realized; the structure is simple, and operation is reliable and stable; and the adaptability is wide.

The invention discloses a harmless treatment device and process for lpcvd tail gas, the harmless treatment device comprises a treatment tower, the top and the right side of the surface of the treatment tower are respectively provided with a gas inlet pipe and a gas outlet pipe, the treatment tower is internally provided with a decomposition chamber, a cooling chamber and an adsorption chamber in sequence from top to bottom, the decomposition chamber is internally provided with a gas decomposition assembly, and the cooling chamber is internally provided with a cooling assembly. A gas adsorption assembly is arranged in the adsorption cavity; the gas decomposition assembly comprises a catalysis cylinder, and the surface of the gas inlet pipe communicates with a plurality of gas flow guide pipes at equal intervals in the circumferential direction. According to the harmless treatment device and process for the lpcvd tail gas, toxic gas is decomposed through a noble metal catalyst in the catalysis chamber, rapid cooling is achieved through the cooling cylinder and the cooling liquid circulating pipe, residues are purified through multiple layers of adsorbents in the adsorption cylinder, then toxic components in the tail gas can be efficiently decomposed, and the gas can be rapidly cooled and deeply purified; and the tail gas treatment capacity and efficiency of the device are improved.

The utility model discloses an immersion type liquid cooling device, relates to server liquid cooling technical field, the immersion type liquid cooling device comprises an immersion box body and a pipeline structure, the immersion box body is provided with an accommodation cavity with an open upper end, the accommodation cavity is divided into a plurality of cooling cavities arranged at intervals along the horizontal direction, and the pipeline structure is arranged in the accommodation cavity. Each cooling cavity is filled with cooling liquid and used for allowing hardware equipment to be placed in an immersed mode. The pipeline structure is used for being communicated with an external cold source, the pipeline structure is communicated with the multiple cooling cavities, and control valves are arranged at multiple correspondingly-formed connecting positions. According to the working condition information of each server, the state of each control valve is controlled, the control valve corresponding to the cooling cavity where the overheated server is located can be opened, the other control valves are closed, at the moment, the heat dissipation environment of the other servers is kept unchanged, and cooling liquid in the cooling cavity where the control valves are opened circulates, so that the heat dissipation effect is improved; therefore, the problem of downtime caused by overheating of the single-point server is avoided.

The invention discloses a waste liquid incineration device for waste lye, distillation residues, organic waste solvents and the like, and relates to the technical field of chemical hazardous waste treatment, the waste liquid incineration device comprises an incineration part, a waste heat recovery part, a flue gas up-to-standard emission treatment part and an incineration residue recovery part; the organic waste solvent, distillation residues and waste alkali liquor are burnt out together, and due to the fact that the calorific value of the organic waste solvent is high, auxiliary fuel natural gas is needed for starting and baking a furnace and an incandescent light, and the auxiliary fuel natural gas is not needed under the normal working condition; the heat insulation incinerator is arranged above one side of a cooling chamber of the waste heat boiler with the U-shaped membrane type wall structure, the membrane type wall tube panel with the Z-shaped structure penetrates through the two cooling chambers of the waste heat boiler with the U-shaped membrane type wall structure, and high-temperature flue gas with the temperature higher than 1100 DEG C can be cooled to the temperature lower than 300 DEG C; according to the incinerator, the U-shaped membrane wall structure waste heat boiler and the Z-shaped structure membrane wall tube panel structure, NaOH matter state change and adhesion in waste alkali liquid are fully considered, it is ensured that the system can reliably, safely and stably run, and the system has the characteristics of being environmentally friendly, capable of saving energy and capable of achieving resource utilization and energy regeneration.

The invention relates to the technical field of continuous casting furnaces, in particular to a gold wire bonding continuous casting furnace which comprises a heating furnace, a cooling chamber and a winding chamber, a heating groove used for heating metal materials is formed in the heating furnace, a casting opening is formed in the bottom of the heating groove, a cooling pipe is arranged in the cooling chamber and divided into an outer pipe and an inner pipe, and the top end of the inner pipe communicates with the casting opening; a heat dissipation cavity is formed between the inner pipe and the outer pipe, an air cooling cavity is formed in the winding chamber, the air cooling cavity is installed at the bottom of the heat dissipation cavity and communicates with the inner pipe, a gas booster pump is fixedly installed on the outer wall of the air cooling cavity, a first heat dissipation pipe is arranged in the heat dissipation cavity, and the first heat dissipation pipe communicates with the gas booster pump and the air cooling cavity. According to the gold bonding wire cooling device, the air cooling cavity is formed, inert gas is used for being matched with the cooling pipe, the gold bonding wire is cooled through the cooling pipe and then air-cooled again, the cooling efficiency of the gold bonding wire is improved, and the cooling efficiency of the gold bonding wire is guaranteed under the condition that it is guaranteed that the gold bonding wire is clean and tidy.

The utility model relates to the technical field of liquid cooling equipment, and discloses a liquid cooling plate and a liquid cooling system, the liquid cooling plate comprises a first plate piece, a second plate piece and an interlayer runner plate, a liquid cooling chamber is arranged between the first plate piece and the second plate piece, the second plate piece is provided with a liquid inlet and a liquid outlet, the interlayer runner plate is arranged in the liquid cooling chamber, and the interlayer runner plate is arranged in the liquid cooling chamber. The liquid cooling cavity is divided into a liquid inlet cavity and a liquid outlet cavity, the liquid outlet cavity is located above the liquid inlet cavity, a liquid outlet runner is arranged on the side portion of the liquid inlet cavity and communicated with the liquid outlet cavity, the liquid inlet is communicated with the liquid inlet cavity, and the liquid outlet is communicated with the liquid outlet cavity. In the using process, cooling liquid flows into the liquid inlet cavity from the liquid inlet, then is shunted towards the two sides of the liquid inlet cavity, then enters the liquid outlet cavity and is discharged through the liquid outlet. Compared with an existing scheme that the cooling liquid enters from one end of the liquid cooling plate and flows out from the other end of the liquid cooling plate, the temperature gradient can be effectively reduced, and then the heat dissipation effect of the liquid cooling plate on the heating device is improved.

The invention relates to the technical field of gas turbines, and discloses a combustion chamber and a pure hydrogen gas turbine with the same. The combustion chamber comprises an outer cover, a flame tube, a cooling cavity and a cooling piece. The inner wall of the outer cover and the outer wall of the flame tube are arranged in a spaced mode to form an outer-layer flow channel, the cooling cavity is arranged in the flame tube and arranged on the outer side of the combustion cavity in a sleeving mode, the cooling cavity communicates with an air inlet channel and an air outlet channel, the air inlet channel communicates with the outer-layer flow channel, and the air outlet channel penetrates through the side wall of the flame tube to communicate with the combustion cavity. The cooling piece is arranged in the cooling cavity, the air inlet end of the cooling piece communicates with the cooling cavity, and the air outlet end of the cooling piece penetrates through the head of the flame tube to communicate with the combustion cavity. Air entering the outer-layer flow channel is divided, air for cooling the flame tube is finally gathered into the combustion cavity again, and therefore the mixing proportion of the air and hydrogen in the combustion cavity is guaranteed, it is guaranteed that the head of the flame tube is cooled, and then stable combustion of the hydrogen is guaranteed.

The invention relates to the technical field of cable production, in particular to a multi-stage efficient cooling device for wire and cable production, which comprises a cooling box and a spraying box positioned on one side of the cooling box, the interior of the cooling box is divided into a plurality of cooling cavities through partition plates, and a plurality of guide riding wheels are rotationally mounted at the tops of the partition plates; guide pressing wheels matched with the guide riding wheels on the two sides are arranged in the cooling cavity, and water conveying units are arranged on the sides, away from the spraying box, of the partition plate and the cooling box correspondingly. According to the cable cooling device, the multiple cooling cavities in the cooling box are combined with the water conveying unit to achieve step-by-step cooling treatment on the cable, then the water wiping unit is combined to wipe water on the surface of the cable, and meanwhile cooling water is promoted to be conveyed to the upper-stage cooling cavity, make rapid contact with the cable and be fully mixed and then conveyed to the other cooling cavities; and the sudden drop protection of the cable is ensured while the cooling effect is improved.