22results about How to "Reduce temperature loss" patented technology

The application provides a semiconductor process equipment control method and a semiconductor process equipment; in the semiconductor process equipment control method, when the deposition process chamber is idle for a long time, the target material cleaning process is performed on the deposition process chamber, the wafer is pretreated in the degassing process chamber, and after the pretreatment process and the target material cleaning process are completed, the deposition process is performed on the pretreated wafer in the deposition process chamber, so that the pretreated wafer can enter the deposition process chamber for process processing under the condition of low thermal energy loss after the target material cleaning process is completed, thereby not only reducing the temperature loss of the pretreated wafer before process processing, effectively reducing the resistance change caused by the idle effect of the deposition process chamber, improving the stability of the sheet resistance of the thin film, but also improving the production capacity of the semiconductor process equipment.

The embodiment of the invention provides an air conditioner control method, a controller, an air conditioner and a medium, and the method comprises the steps that in response to a heating starting instruction, the outdoor environment temperature is obtained; when the outdoor environment temperature is smaller than the first preset temperature, the air conditioner is controlled to enter half-volume control logic; and in the process of executing the half-volume control logic, the control valve and the first electronic expansion valve are closed so that the refrigerant discharged by the outdoor unit can stop flowing through the first indoor unit heat exchanger, and the second electronic expansion valve is opened so that the refrigerant discharged by the outdoor unit can flow through the second indoor unit heat exchanger. During low-temperature starting, by closing the control valve and the first electronic expansion valve, the length of a pipeline through which a refrigerant passes is reduced, so that the length of a refrigerant oil attached copper pipe is reduced, and refrigerant oil loss caused by the length of the pipeline is reduced; and the inner side heat exchange area during starting can be reduced, the temperature loss of the hot refrigerant is reduced, the high-temperature refrigerant is made to rapidly circulate back to the outdoor unit, and therefore the exhaust temperature of the compressor is rapidly increased, and the oil separation efficiency is improved.

The present application provides a kind of engagement mechanism, working device and working machine, including engagement, supply unit, micro channel unit and give unit, engagement is equipped with engagement surface, for the temperature control electronic component of pasting, supply unit is equipped with the main flow channel of access, shunt and multiple branch flow channel in engagement, to flow body of the temperature of pre-set even shunt to multiple branch flow channel, micro channel unit is equipped with multiple micro channel in engagement, and the fluid of the temperature of pre-set can be flowed into multiple branch flow channel, and the intensive multi-zone micro area heat exchange is made with engagement surface to even temperature control electronic component, give unit is equipped with the main flow channel of access, flow channel and multiple branch flow channel in engagement, and the fluid of multiple micro channel input has been heat exchanged and flow output.

The utility model discloses a kind of even feeding devices for phosphorus pentachloride production, it is related to phosphorus pentachloride production technical field, including base, the top of base both ends is fixedly connected with U-shaped support seat, the top of base one end is fixedly connected with L-shaped support plate, both ends The top of U-shaped support seat is fixedly connected with heat-insulating jacket device, the inner side wall top of heat-insulating jacket device is fixedly connected with storage bin between, the bottom output end of storage bin is fixedly connected with electric valve, the other end of electric valve is fixedly connected with buffer tank, the base provided in the utility model, on the basis of realizing heat preservation protection to avoid affecting even feeding, increase inert gas protection to avoid causing metamorphosis simultaneously, to solve the temperature of the existing phosphorus pentachloride production feeding device is difficult to control due to lack of effective heat preservation structure, and lack of inert gas protection causes security and metamorphosis problem.

The utility model provides an efficient wild jujube extraction tank, which relates to the technical field of wild jujube juice processing and comprises a centrifugal motor, a lifting motor, a discharge valve, a lifting column, a support sleeve, a loading basket, a support column, an electric heating tray and a rotating rod, a centrifugal motor is connected to the upper side face of the tank body through a bolt, and a motor shaft of the centrifugal motor is fixedly connected to the upper end of a rotating sleeve through a key; a lifting motor is connected to the upper side face of the tank body through a bolt, and a motor shaft of the lifting motor is fixedly connected to the upper end of a threaded column through a key; the rotating rod is in welded connection with the gear; the supporting sleeve is welded to the inner side face of the object carrying basket. The lifting column is rotationally connected with the supporting sleeve; the electric hot tray is connected with the heating controller through a wire; through arrangement of a gear, a carrying basket, a threaded column and a lifting column, integrated operation of a wild jujube dipping procedure and a centrifugal filtering procedure is achieved, and the problems that traditional wild jujube juice extraction is low in working efficiency and poor in extraction quality are solved.

The present invention relates to the technical field of blast furnace ironmaking, and in particular to a method for reducing the melting point of high-titanium blast furnace slag. The method comprises the following steps: uniformly stirring bentonite and talcum powder to obtain an additive; uniformly sandblasting the additive prepared in step one on the surface of the slag ditch before slag discharge; during the slag discharge process, spraying the additive prepared in step one on the surface of the flowing high-titanium blast furnace slag, spraying in all directions, and obtaining high-titanium blast furnace slag with a reduced melting point. The present invention effectively increases the silicon content by spraying the additive into the slag ditch and on the surface of the high-titanium blast furnace slag, reduces the melting point of the high-titanium blast furnace slag in the slag ditch, enhances its fluidity, shortens the residence time of the high-titanium blast furnace slag from the blast furnace through the slag ditch to the slag pot, reduces the temperature loss during the flow process, and makes the initial temperature of the slag pot for high-temperature carbonization reaction increase by 100-200°C, thereby realizing energy saving in the reaction process.

This application provides a radially inlet anti-icing bleed air collecting ring structure, belonging to the field of aero-engine technology. It includes a collecting ring welding assembly, an inlet casing, and an inlet support plate. The inlet support plate is welded to the inlet casing. The collecting ring welding assembly includes a collecting ring, an inlet pipe, and a collecting ring cover plate. The collecting ring cover plate and the collecting ring form an annular collecting cavity. The inner wall of the collecting ring is fitted onto the outer side of the inlet casing assembly. A radial ventilation hole is provided on the inner wall of the collecting ring. An anti-icing bleed air inlet hole is provided on the inlet support plate. The radial ventilation hole and the anti-icing bleed air inlet hole are connected by a bleed pin. The inner cavity of the inlet support plate communicates with the collecting cavity through the through hole of the bleed pin. A bleed pin mounting hole is provided on the outer wall of the collecting ring, and this hole is sealed by a plug. One end of the inlet pipe is connected to the outer wall of the collecting ring and communicates with the collecting cavity, while the other end is connected to the anti-icing bleed air circular pipe. This application achieves a compact and detachable design, reducing pressure and temperature losses during the flow of anti-icing bleed air.

The application discloses a ceramsite propping agent rotary kiln with waste heat recovery function and a use method, relates to the technical field of rotary kilns, and comprises a preheating kiln, a firing kiln, a cooling kiln, a fixed connection ring, a combustion pipe, two first transmission units and two second transmission units. The preheating kiln, the firing kiln, the fixed connection ring and the cooling kiln are sequentially connected, one end of the preheating kiln is connected with a feeding end, one end of the cooling kiln is connected with a discharging end, one end of the combustion pipe penetrates through the fixed connection ring from the outside, and the other end of the combustion pipe is located in the firing kiln. A waste heat exchange assembly is arranged between the preheating kiln and the cooling kiln, the two first transmission units are arranged between the preheating kiln and the firing kiln, the two second transmission units are arranged between the firing kiln and the cooling kiln, and the combustion pipe penetrates into the firing kiln through the fixed connection ring. Compared with the design that the combustion pipe is inserted into the kiln from the end of the rotary kiln in the general case, the time of the flame passing through the combustion pipe can be reduced.

The utility model discloses a kind of crude tin smelting heat preservation devices, it includes: cover body, to cover container to cooperate container to form heat preservation space, the inner side edge of the cover body is equipped with the sealing strip of sealing container mouth, the top side of the cover body is equipped with sliding hole;Reference ruler rod, the reference ruler rod is vertically fixed in the top side of the cover body and is arranged close to the sliding hole;Floating ball liquid level indicating component, the floating ball liquid level indicating component sliding connection the sliding hole, the floating ball liquid level indicating component is based on the up-and-down floating of container interior liquid, the floating ball liquid level indicating component cooperates the reference ruler rod and indicates container interior liquid level information, the utility model structure is simple, use is safe and convenient, can monitor the liquid level state of container interior metal liquid in real time, reduce uncovering heat loss.

This utility model discloses a clamping fixture suitable for high-temperature tensile testing, relating to the field of tensile equipment technology. It includes an environmental chamber body and a threaded round bar. Hydraulic telescopic rods are installed on the inner walls of both the upper and lower ends of the environmental chamber body via tension sensors. Connecting blocks are connected to opposite ends of the two hydraulic telescopic rods, and tie rod structures are connected to both connecting blocks. Each tie rod structure has a slot, into which a clamp head is inserted. The clamp head has threaded holes, and both ends of the threaded round bar are screwed into the two threaded holes respectively. In this utility model, the clamp head is installed and removed through the insertion and engagement of the clamp head and the slot, allowing for the loading and unloading of the threaded round bar outside the environmental chamber body. By loading and unloading the clamp head and sample as a whole inside the environmental chamber body, the purpose of conducting high-temperature tensile tests can be achieved quickly and safely, significantly reducing the operation time inside the environmental chamber body, thereby reducing temperature loss and greatly improving testing efficiency and safety.

This invention discloses a gold extraction process and system using whole-sludge cyanidation without pre-concentration, relating to the field of gold beneficiation and smelting technology. It solves the problems of low grinding efficiency, complex processes, difficulty in recovering coarse gold particles, and high safety risks in existing processes. The process includes raw ore crushing, primary grinding, gravity separation, hydrocyclone classification, secondary grinding-leaching, leaching-adsorption, smelting, and tailings treatment; the system includes corresponding crushing, primary grinding, gravity separation, hydrocyclone classification, secondary grinding-leaching, leaching-adsorption, smelting, and tailings treatment units. The key innovation is: gravity separation recovers coarse gold particles after primary grinding; the secondary stage uses an azin mill to achieve synergistic grinding-leaching, eliminating the pre-concentration stage; and the filtrate reagents are recycled. This invention features a simplified process, low energy consumption, high gold recovery rate, and safe and environmentally friendly operation, suitable for gold extraction from gold ores containing coarse gold particles that require fine grinding.

The present invention discloses a bell-shaped furnace for debinding and sintering and a method for using the bell-shaped furnace, which relates to the technical field of bell-shaped furnaces and includes a furnace body; it is characterized in that a thermal field control mechanism is provided on the furnace body, and the thermal field control mechanism includes: a first heating mechanism, which is provided on the furnace body and is used for high-temperature sintering; a second heating mechanism, which is provided on the furnace body and is used for low-temperature preheating and debinding; and a temperature detection mechanism. The present invention integrates the first heating mechanism and the second heating mechanism in the same bell-shaped furnace by providing a thermal field control mechanism, thereby achieving a seamless connection between low-temperature debinding and high-temperature sintering; this method omits the intermediate material transfer link, effectively avoiding the problem of material damage caused by transfer, while reducing the temperature loss during the transfer process, and significantly reducing energy consumption; this integrated design not only improves production efficiency, but also ensures the continuity and stability of the process.

The kitchen waste drying machine comprises a machine shell, an inner container is connected to the interior of the machine shell, an upward cavity is defined by the inner container, the top side of the machine shell is connected with a top cover covering the cavity, an air supplementing hole communicated with the cavity is formed in the top cover, and an exhaust hole is formed in the side wall of the machine shell; the first heater is connected to the bottom side of the inner container; the hot air assembly comprises an air guide shell, a first fan, a second heating source and a second fan, an air suction connector, an air return connector and an exhaust connector are formed in the outer side of the air guide shell, the air suction connector and the air return connector are connected to the inner container, the first fan is connected to the outer side of the air guide shell, and the second heating source is connected to the interior of the air guide shell; according to the kitchen waste drying treatment device, rapid temperature rise during kitchen waste drying treatment is achieved, the temperature loss in the inner container during exhaust is effectively reduced, energy consumption is reduced, and the kitchen waste drying treatment efficiency is improved.

The invention relates to the technical field of iron and steel smelting, in particular to a molten iron desulfurization method which comprises the steps that a desulfurizing agent is sprayed into molten iron through a spray gun, so that the sulfur content in the molten iron is reduced, molten iron desulfurization is divided into a first stage and a second stage in sequence, and the total spraying amount of the desulfurizing agent serves as the standard; in the first stage, the spraying amount of the desulfurizing agent is 80%-90% of the total spraying amount of the desulfurizing agent, in the second stage, the spraying amount of the desulfurizing agent is 10%-20% of the total spraying amount of the desulfurizing agent, and in addition, the spraying speed of the desulfurizing agent in the first stage is greater than that in the second stage. The method solves the contradiction among efficiency, desulfurizer utilization rate and temperature loss in the traditional desulfurization process, realizes double improvement of desulfurization production efficiency and desulfurizer utilization rate, reduces molten iron temperature loss in the desulfurization process, and reduces the raw material and energy cost of steel smelting.

The application provides a light diesel tight-coupling SDPF high-efficiency flow-guiding distributed mixing device, the gas inlet end of the mixing device is connected with the gas outlet end of a DOC component, the gas outlet end of the mixing device is connected with the gas inlet end of an SDPF component, the DOC component and the SDPF component are arranged in a V shape; a nozzle base is arranged at the upper end of the mixing device, the nozzle base is used for mounting a urea nozzle, the urea nozzle is communicated with the inside of the mixing device; a flow guide plate is arranged in the inside of the mixing device, a dispersion breaking plate component is connected with the flow guide plate, and a cyclone plate is arranged at the outlet end of the mixing device. The mixing device can realize urea flow guiding and dispersion in a narrow space, improve the urea decomposition efficiency, realize the double-effect mixing effect of urea and soot, improve the uniformity of urea and soot distribution on the end surface of the SDPF, and prevent the urea from being directly injected to the bottom of the SDPF and deposited in the bottom in a compact space.

The invention relates to the technical field of engineering test equipment, in particular to an enhanced asphalt mixture Marshall compaction test tamping device and method. The tamping device comprises a tamping barrel, a tamping piece and a driving assembly; a tamping cavity used for being filled with an asphalt mixture is formed in the tamping barrel, a material scraping lubricating plate is arranged in the tamping cavity, holes are formed in the material scraping lubricating plate, and the holes comprise a material scraping hole and a lubricating hole; the tamping piece comprises a pressing plate and a plurality of tamping rods, and the tamping rods are all installed on the bottom side of the pressing plate and connected into the holes of the scraping lubricating plate in a penetrating mode. The driving assembly is installed outside the tamping barrel and used for driving the tamping piece to reciprocate in the axial direction of the tamping cavity so as to tamp the asphalt mixture. The tamping device ensures that a mixture is uniformly distributed in a test mold before being compacted, guarantees the volume index and mechanical property stability of a formed test piece, and improves the reliability of test data.

The application provides a high-toughness (alpha+beta) dual-phase magnesium-lithium alloy rod and a preparation method thereof, and contains, in percentage by mass, Li: 8-11%, Al: 2-6%, Sn: 1-5%, rare earth elements (RE): 0.5-4%, Ca: 0-1%, Mn: 0-1%, Ag: 0-0.5%, and the balance of magnesium and inevitable impurities, wherein the total amount of the impurities in the magnesium-lithium alloy material is less than 0.1 wt.%. The processing procedure comprises vacuum melting to prepare an ingot, homogenization annealing, upsetting-extruding pre-deformation, blank straightening and cutting, multi-pass upsetting-drawing forming, low-temperature aging treatment, and mechanical processing of the rod. The application adopts a method combining multiple plastic deformations for the (alpha+beta) dual-phase magnesium-lithium alloy, promotes grain organization refinement and uniform distribution of strengthening phases, significantly improves the organization uniformity and mechanical properties, and finally prepares the high-toughness (alpha+beta) dual-phase magnesium-lithium alloy rod, with a rod diameter of greater than or equal to 200 mm, a room-temperature tensile strength of greater than or equal to 330 Mpa, and an elongation of greater than or equal to 10%.

The invention discloses a denitration, dust removal and waste heat recovery integrated system for a cement kiln. Comprising a preheater (2) and a dust, nitrate and waste heat recovery integrated device (9), an inlet of the preheater (2) is connected with an outlet flue of a rotary kiln (1), and the dust, nitrate and waste heat recovery integrated device (9) sequentially comprises a dust removal unit (901), a denitration unit (902) and a waste heat recovery unit (903) from bottom to top; an inlet flue is arranged on the lower portion of the dust, nitrate and waste heat recovery integrated device (9), an outlet flue is arranged on the upper portion of the dust, nitrate and waste heat recovery integrated device (9), and the inlet flue on the lower portion of the dust, nitrate and waste heat recovery integrated device (9) is connected with an outlet flue of the preheater (2). An outlet of the preheater (2) is connected with the ammonia water spraying device (5); an emergency cooling device (6) and a flue gas heater (8) are further arranged on an outlet flue of the preheater (2); and a humidifying and cooling device (11) is arranged at an outlet flue of the dust nitrate waste heat recovery integrated device (9). According to the invention, the lengths of a connecting flue and an external flue between equipment are effectively reduced, the resistance of the system is reduced, the temperature loss is reduced, and the occupied area and the construction cost are saved.

A high-pressure casting device and alloy high-pressure casting mold thereof, the mold comprising: a sprue, a cross runner, an ingate, a slag bag, and a centralized exhaust port, the sprue and the cross runner connected vertically to each other are arranged at the center of the casting, the cross runner is connected to the ingate with decreasing cross-sectional area, the slag bag is arranged at the filling end of the casting or the intersection of aluminum liquid, and exhaust channels are connected at the end of each slag bag, and the exhaust channels are connected in parallel and connected in series to the centralized exhaust port at the intersection. A casting method is also provided accordingly, including: when the alloy melt is added into the pressure chamber through the quantitative furnace, the punch fills the melt into the sprue, and in the process, the pressure chamber and the cavity are vacuumed, and then the punch further fills the melt into the U-shaped cross runner and gradually fills it, and the filling speed is accelerated before the melt approaches the ingate position of the casting, and at the same time, the vacuum valve is triggered to close at this position, and then the punch continues to push the melt into the cavity through the ingate until the filling is completed, thereby ensuring the product quality.

This invention relates to an explosive granulation device, comprising a reciprocating arm (1), a screen (2), a grinding wheel (3), and an adjusting component (4); the reciprocating arm (1) comprises a symmetrically arranged left arm and a right arm, which reciprocate up and down in opposite directions around the center point where they connect; the two ends of the strip screen (2) are respectively fixed on the left and right arms of the reciprocating arm (1), forming a V-shaped structure; the grinding wheel (3) is disposed on the inner surface of the V-shape of the strip screen (2), and a spindle (7) is disposed on the axis of the grinding wheel (3); the adjusting component (4) is connected to both ends of the spindle (7) of the grinding wheel (3) and is used to adjust the contact pressure between the grinding wheel (3) and the surface of the strip screen (2). This invention has a simple structure, is easy to form a continuous production line with upstream and downstream equipment, is easy to control, and has high reliability; it occupies little space, has a wider range of product size applicability, good safety, and is convenient to maintain.

The utility model relates to the technical field of thermal insulation pipes, and discloses a direct burial type anti-corrosion thermal insulation pipe which comprises a main body mechanism, a connecting mechanism and a protection mechanism, the main body mechanism comprises an operation pipe, a first supporting column, a damping assembly, a second supporting column and an outer supporting steel pipe, and the damping assembly is fixedly installed at the end, away from the operation pipe, of the first supporting column; the second supporting column is fixedly installed at the end, away from the first supporting column, of the damping assembly, and the outer supporting steel pipe is fixedly installed at the end, away from the damping assembly, of the second supporting column. According to the direct-buried anti-corrosion heat preservation pipe, the operation pipe is connected with the outer supporting steel pipe through the first supporting column, the damping assembly and the second supporting column, so that the outer wall of the operation pipe is sequentially filled with heat preservation and heat insulation materials to form the heat preservation pipe, when a heat medium circulates in the inner wall of the operation pipe, the operation pipe is stressed to expand, and generated stress is absorbed by the damping assembly; therefore, the inner thermal insulation material is prevented from being damaged due to stress deformation, and the thermal insulation performance is not influenced.

The present invention discloses a method for designing a flow path of a converging and diverging bleed air supply flow in an aero-engine air system, which belongs to the technical field of aero-engine air system design, and is used to optimize the distribution path of the internal air system of an aero-engine, improve the cooling, anti-icing and sealing performance, improve the flow resistance loss, and enhance the system integration. The method constructs an annular converging and diverging structure framework by evenly arranging a number of hollow support plates and hollow diverter cones extending radially along the circumferential direction in an intermediate casing, and introduces secondary air from the engine high-pressure air source through a bleed air short pipe, and evenly distributes the secondary air to the inner cavity of the hollow support plate and the hollow diverter cone based on the gas connection structure. By optimizing the arrangement of anti-icing holes on the surface of the hollow diverter cone, CFD simulation is used to improve the uniformity and stability of the attached air film, so as to achieve efficient anti-icing of the diverter cone; at the same time, the sealing and cooling supply air path of the front bearing cavity and the low-pressure turbine end are optimized to reduce the loss of airflow along the way and ensure stable distribution of airflow.