27results about How to "Avoid heat loss" patented technology

The invention discloses a micro-channel jet reactor. The micro-channel jet reactor comprises a sample introduction unit, a main mixing unit and a reaction unit which are sequentially communicated, the main mixing unit comprises a first inner pipe and a first outer pipe arranged outside the first inner pipe in a sleeving manner; a first annular space is formed between the first inner pipe and the first outer pipe; the sample introduction unit is communicated with the first inner pipe; a second sample inlet is formed in the first annular space, and a plurality of through holes are formed in the first inner pipe; the reaction unit comprises a second inner pipe and a second outer pipe arranged outside the second inner pipe in a sleeving manner; a second annular space is formed between the second inner pipe and the second outer pipe; the first inner pipe is communicated with the second inner pipe; during use, condensate is arranged in the second annular space. The reactor can effectively improve the mixing uniformity degree of reaction liquid, meanwhile, the reaction temperature is controlled, and the reaction rate and selectivity are ensured.

The invention relates to the technical field of vehicle heat management, in particular to an energy-saving heat pump integrated heat management system which comprises a pipeline module, a motor electric control heat dissipation module, a cab refrigerating and heating module, a single battery refrigerating and heating module and a control module. Cooling liquid circulates to dissipate heat; according to the system, parts with the same functional attributes are integrated, the number of the parts is reduced, the cost is reduced, the efficiency is improved, the cost and energy consumption of the whole vehicle are reduced, refrigerants are directly communicated with the liquid cooling plate, the energy consumption of the whole vehicle is reduced, and the energy consumption of the whole vehicle is reduced. The battery pack is cooled and heated, the heat exchange efficiency is effectively improved, heat absorption and heat release are conducted on a refrigerant, PTC is omitted, waste heat generated by a motor loop is subjected to heat exchange with the refrigerant, the overall temperature of the refrigerant is increased, the waste heat of a motor is utilized, heat loss is avoided, and the endurance mileage of a vehicle is increased.

The invention discloses a built-in heat exchange double fluidized bed reaction device, which is used for a biomass raw material hydrogen production process, and comprises: a gasification chamber, which is of a cylindrical structure and is provided with a conical surface at the bottom, and the conical surface is provided with a hole for introducing bubbling fluidizing air; the combustion chamber is of a tubular structure and is arranged in the gasification chamber in a sleeved mode, the bottom of the combustion chamber is in an open state, and the combustion chamber is arranged in the conical surface area and used for introducing vertically-upward combustion-supporting air; the material returning units are arranged at the upper part of the reaction device, are uniformly arranged along the circumferential direction and are used for carrying the high-temperature bed material particles from the combustion chamber to an annular gasification area outside the combustion chamber and mixing the high-temperature bed material particles with biomass raw materials in the gasification area to produce hydrogen; the material returning unit is provided with a loosening chamber and a material returning chamber, and a bottom plate of the loosening chamber is obliquely arranged towards the material returning chamber. Through the built-in design of the double fluidized beds, the feeding pipe and the return feeder are prevented from being exposed at room temperature, and the heat loss of the reactor is reduced; and meanwhile, the device can provide enough regeneration time for the bed material under the condition of keeping a relatively high solid conveying rate.

The invention discloses a processing method of a grenade warhead, belongs to the technical field of machining, and solves the technical problems that the outline is limited, materials are wasted and a die is easy to scrap when the grenade warhead is stamped by a traditional integrated cylindrical lower die. The stamping die comprises an upper die and a lower die, the lower die comprises a left die block and a right die block which are split in half along the axis, and a die cavity matched with the outer contour of a target grenade warhead is formed after the left die block and the right die block are closed. According to the invention, the punching processing of complex contour products with equal diameters, large lower parts and small upper parts in one die cavity can be realized by twice punching and hole forming, so that the heat loss caused by die cavity replacement is avoided, the contact time length of the punch and a blank is reduced, the punch is prevented from being quenched and tempered, the subsequent machining amount is also greatly reduced, and the processing procedure is simplified; and meanwhile, the detachable lower mold is convenient to repair, the mold cavity can be remanufactured through machining, the upper mold can be repaired through the cladding welding technology, and then repeated repair and utilization of the mold are achieved.

The invention discloses a heat preservation pipeline and a preparation method, and belongs to the technical field of heat preservation pipelines, the heat preservation pipeline comprises a working steel pipe and an outer protection pipe arranged on the outer side of the working steel pipe in a sleeving mode, a plurality of low-heat-loss supports are arranged between the working steel pipe and the outer protection pipe and are supported in the annular direction, and heat preservation layers are filled among the working steel pipe, the outer protection pipe and the low-heat-loss supports; the heat conductivity coefficient of the low-heat-loss support is 0.9-1.2 times that of the heat preservation layer. The low-heat-loss support is arranged in the heat preservation pipeline, it can be guaranteed that the thickness of a heat preservation layer in the circumferential direction of the heat preservation pipeline is consistent, meanwhile, the heat preservation pipeline is structurally supported, deformation and displacement of the heat preservation pipeline in the using process are avoided, and the heat conductivity coefficient of the low-heat-loss support is close to the heat conductivity coefficient of the heat preservation layer; therefore, heat loss is reduced, and heat preservation effect of the heat preservation pipeline is further improved.

The present invention relates to the field of combustion control technology, and in particular to a method and device for optimizing the combustion control of low calorific value industrial waste gas. The method comprises the following steps: obtaining waste gas composition data, and calculating the waste gas calorific value according to the waste gas composition data to obtain waste gas calorific value data; obtaining combustion chamber data, and generating air-fuel ratio parameters according to the combustion chamber data and the waste gas calorific value data to obtain air-fuel ratio parameter data; performing waste gas pretreatment according to the air-fuel ratio parameter data and the waste gas composition data to obtain waste gas pretreatment data; performing multi-stage combustion operations according to the waste gas pretreatment data to obtain waste gas combustion data. The present invention realizes intelligent management of the combustion process, maximizes the combustion potential of low calorific value waste gas through multi-stage combustion and segmented control technology, and realizes source control of pollutants, reduces emissions, and improves the overall performance of the combustion system through real-time monitoring and optimized control.

The utility model relates to the technical field of connecting pipelines of air source heat pumps, and discloses a connecting pipeline heat insulation structure of an air source heat pump, which comprises an inner protection pipe, a plurality of groups of support rings are arranged on one side of the inner protection pipe, support rods are arranged on one sides of the support rings, and heat insulation pipes are arranged at the top ends of the support rods. A vacuum layer is arranged between the inner protection pipe and the heat insulation pipe, a filling layer is arranged on the surface of the heat insulation pipe, an outer protection pipe is arranged on the surface of the filling layer, a connecting pipe is arranged at one end of the inner protection pipe, an air source heat pump is arranged at one end of the connecting pipe, and connecting structures are arranged in the ends, close to each other, of the inner protection pipe and the connecting pipe. By means of the structure, heat loss generated in the process of conveying hot water or cold water through the pipeline can be effectively avoided, and efficient operation of the system is guaranteed.

The utility model discloses an induction heating type chip welding device, and relates to the technical field of chip welding. The device comprises a tool jig, wherein the tool jig is fixedly connected with a supporting rod for placing a chip through a placing cavity formed in the tool jig; the welding part comprises two hot-pressing seats, the two hot-pressing seats are symmetrically distributed by taking the tool jig as a center, one end, close to the tool jig, of each hot-pressing seat is fixedly connected with a heat conduction block, and a heat insulation plate is fixedly mounted on the outer surface of each hot-pressing seat. The utility model can effectively solve the problems in the prior art that no definite time sequence control exists in the heating and pressure applying process, the heating block starts to dissipate heat when approaching the chip, so that the welding flux is melted in advance when the pressure is not applied, the welding flux is oxidized, sheetted or bridged, and if the pressure is firstly applied and then the heating is performed, the welding flux cannot be heated. And the problem that the chip packaging material is deformed due to overlong pressure duration time is solved.

The invention relates to the technical field of urea hydrolysis, in particular to a urea hydrolysis reactor and a using method thereof.The urea hydrolysis reactor comprises a urea solution conveying device used for conveying a urea solution to the urea hydrolysis reactor; the hydrolysis reactor comprises a reaction chamber which is used for accommodating the urea solution and promoting the hydrolysis of the urea solution; the saturated steam supply device is used for providing saturated steam as a heat source in the hydrolysis process, the saturated steam is introduced to the outside of the hydrolysis reactor through a coil pipe structure, and the saturated steam and the urea solution are not directly mixed. The device has the beneficial effects that heat loss caused by direct contact of steam and a urea solution is avoided in a coil indirect heat exchange mode, and the heat transfer efficiency is greatly improved. Therefore, compared with a traditional direct contact type heating method, more energy consumption can be saved under the same production condition.

The present invention belongs to the field of electric power technology, and discloses a fast arc extinguishing method of a fast switch in parallel with a solid-state switch. The present invention utilizes the fast action of the solid-state switch to quickly eliminate arc grounding faults, and at the same time, the fast switch is connected in parallel, which reduces the time for the solid-state switch to be put into operation, avoids heat loss, and does not require the installation of a cooling system, which is of great significance for quickly extinguishing the grounding arc, reducing the cost of arc extinguishing devices, and improving the reliability of arc extinguishing technology.

The application discloses a transformer intelligent heat dissipation device for a large temperature difference area, relates to the technical field of transformers, and mainly solves the problem that a large temperature difference area cannot effectively dissipate heat or consumes high energy in heat dissipation, and comprises an oil-immersed transformer and an oil pillow arranged on the oil-immersed transformer, heat dissipation mechanisms are arranged on two opposite sides of the oil-immersed transformer, the two heat dissipation mechanisms are mirror-symmetrically arranged, air supply mechanisms are arranged at the bottoms of the heat dissipation mechanisms, an intelligent heat adjusting mechanism is arranged partly in the oil-immersed transformer and partly on a vertical side between the two heat dissipation mechanisms of the oil-immersed transformer, and the device can efficiently and energy-savingly solve the heat dissipation problem through multiple heat dissipation modes, and can heat the transformer when necessary while solving the heat dissipation problem, so that the operation of the transformer is better protected.

The invention discloses a novel chocolate temperature adjusting machine, and relates to the technical field of temperature control, the novel chocolate temperature adjusting machine is provided with a first crystallization pipe, a second crystallization pipe and a third crystallization pipe which are connected in series, and is matched with the circulating supply of temperature adjusting water flow in a first water tank, a second water tank and a third water tank which are correspondingly arranged; three-section temperature adjustment can be carried out on chocolate paste, the influence on the quality of the chocolate paste due to sudden temperature change in the chocolate paste temperature adjustment process can be avoided through progressive change of the temperature, and the temperature adjustment effect in the chocolate paste conveying process is improved to a certain degree; the temperature adjusting cavity filled with temperature adjusting water flow flowing circularly wraps the outer side of the conveying pipe, so that the device conducts temperature rise adjustment and control on chocolate paste in a water bath heating mode, the stability and uniformity of temperature control of a temperature adjusting area can be effectively guaranteed, and then temperature adjustment of the chocolate paste is more stable and uniform.

The invention belongs to the technical field of superconducting motors, and discloses a superconducting motor rotor cooling mechanism, which comprises a superconducting magnet, an iron core, a torque support frame, a Dewar unit and a cooling pipeline assembly, and is characterized in that the Dewar unit comprises a shaft system and an outer Dewar structure, and the outer Dewar structure is provided with an accommodating cavity; the superconducting magnet, the iron core, the torque support frame and the shaft system are sequentially in key connection from outside to inside, the shaft system penetrates through the outer Dewar structure and forms a closed space with the outer Dewar structure, and the superconducting magnet, the iron core and the torque support frame are all arranged in a containing cavity of the outer Dewar structure; the cooling pipeline assembly is arranged in the closed space and used for cooling the superconducting magnet, the iron core and the torque supporting frame. According to the superconducting motor rotor cooling mechanism provided by the invention, the low-temperature stability can be ensured, the structural design of a rotating machine is simplified, and the risk of heat leakage is reduced.

The present invention provides a system for recovering protein in a production process of an ultrahigh maltose syrup, including a saccharification tank, an enzyme preparation tank, a first plate heat exchanger, a second plate heat exchanger, a plate and frame filter, a buffer tank and a rotary drum filter. The present invention further provides a method of recovering protein by using the system. After the sugar liquid in the saccharification tank is stood, the protein floats at the upper part of the saccharification tank and the lower liquid is clear and transparent and thus the sugar liquid can be directly filtered. When the saccharification tank is discharged, the lower liquid is firstly discharged with the remaining liquid being bottoms containing protein. During a production process, enzymatic hydrolysis is performed for the sugar liquid containing protein before filtration to improve the filtration effect of the sugar liquid. Assisted by the plate and frame filter, protein can be recovered. The present invention improves the economic benefits, reduces the production costs, and thus solves the problem of difficulty in recovering protein in a production process of an ultrahigh maltose syrup.

The invention relates to the technical field of aero-engines, in particular to an integrated pre-cooling device. Comprising a pre-cooling mechanism, a heat dissipation mechanism and an electromagnetic driving mechanism, the pre-cooling mechanism comprises a fluid channel and a first heat exchange channel, first fluid can circulate in the fluid channel, and second fluid can circulate in the first heat exchange channel; the heat dissipation mechanism comprises a heat dissipation inner cavity and a second heat exchange channel, third fluid can circulate in the heat dissipation inner cavity, and the first heat exchange channel communicates with the second heat exchange channel; the electromagnetic driving mechanism comprises an electric driving assembly and a magnetic driving assembly, the electric driving assembly can conduct current in the second fluid, the magnetic driving assembly is used for generating a magnetic field perpendicular to the second heat exchange channel, and the current and the magnetic field interact to drive the second fluid to flow; the second fluid and the third fluid can exchange heat, and the second fluid can continuously exchange heat with the first fluid. Therefore, the second fluid is directly driven to circulate, the reuse of heat exchange and pumping functions is realized, and reliable circulating driving of large-flow liquid metal in a limited space is guaranteed.

The utility model discloses a series welding machine heating device for a battery piece, which relates to the technical field of battery string processing, and comprises a first heating piece and a second heating piece, the first heating piece and the second heating piece are respectively used for heating and welding a first side surface and a second side surface of the battery piece, and the first heating piece comprises at least one welding probe; the needle point of one welding probe is used for welding one battery piece and the welding strip, the distance between the needle point of the welding probe and the pad point of the battery piece is larger than zero, the needle point of the welding probe forms point discharge, and local high temperature is generated to make contact with the welding strip; the heating device of the series welding machine does not need to heat the whole battery piece, so that the heat loss of H passivation is avoided. In the whole welding process, an infrared heating mode is not used, and infrared attenuation caused by infrared rays can also be avoided. According to the series welding machine heating device, a local loss heating mode is adopted, and a fan is not needed for heat discharge in the continuous production process; and the temperature of each point is controllable, so that the influence of non-uniformity of a thermal field on the welding effect is avoided.

This utility model relates to the field of furnace tube processing technology, and in particular to a high-efficiency bending equipment for industrial furnace tubes. It includes a processing table with a support plate fixedly connected to its center. The outer wall of the support plate has an installation groove, within which a support rod is installed. The support rod extends to the outside of the processing table and is connected to a bending mold. The outer wall of the bending mold has a circular groove, within which a furnace tube is clamped. This equipment achieves "heating and bending simultaneously" by embedding a heating coil within the bending mold and directly heating the area of ​​the furnace tube to be bent in real time via a high-frequency power supply box. This avoids heat loss during the transfer process. The heating coil directly transfers heat to the furnace tube through heat-conducting holes, and the temperature sensor provides real-time feedback, improving heating efficiency. For traditional natural cooling methods that result in insufficient hardness in the bent section of heat-resistant steel furnace tubes, and the risk of cracking from direct water cooling, this equipment avoids cracking by spraying coolant through atomizing nozzles, thus reducing the scrap rate.

The invention discloses a two-section type built-in double fluidized bed reaction device, which is used for a biomass raw material chemical looping hydrogen production process, and each section of built-in double fluidized bed comprises: a gasification chamber which is of a cylindrical structure and is provided with a conical surface at the bottom, and the conical surface is provided with a hole for introducing bubbling fluidizing air; the combustion chamber is of a tubular structure and is arranged in the gasification chamber in a sleeved mode, the bottom of the combustion chamber is in an open state, and the combustion chamber is arranged in the conical surface area and used for introducing vertically-upward combustion-supporting air; the material returning units are arranged at the upper part of the reaction device, are uniformly arranged along the circumferential direction and are used for carrying the high-temperature bed material particles from the combustion chamber to an annular gasification area outside the combustion chamber and mixing the high-temperature bed material particles with biomass raw materials in the gasification area to produce hydrogen; the material returning unit is provided with a loosening chamber and a material returning chamber, and a bottom plate of the loosening chamber is obliquely arranged towards the material returning chamber; the two sections of built-in double fluidized beds are connected in series and are used for introducing the hydrogen-containing synthesis gas prepared by the first section of double fluidized bed into the combustion chamber of the second section of double fluidized bed.

The invention provides an ash removal device suitable for a partition wall water-cooling screen, comprising a cross beam which is fixedly connected to the ground through a channel steel support; the sliding seat is slidably connected to the cross beam, a rotating pipe is rotatably connected to the sliding seat, and a first nozzle group and a second nozzle group are arranged on the rotating pipe; the driving mechanism is mounted on the sliding seat, and the driving mechanism is used for driving the rotating pipe to rotate while driving the sliding seat to move; the first transmission mechanism is arranged between the driving mechanism and the cross beam and is used for driving the sliding seat to move along the cross beam under the action of the driving mechanism; the second transmission mechanism is arranged between the driving mechanism and the rotating pipe and used for transmitting power of the driving mechanism to the rotating pipe and driving the rotating pipe to rotate; and the steam pipe penetrates through the sliding seat and extends into the rotating pipe, the steam pipe is in sliding connection with the sliding seat, and the steam pipe is fixedly connected to the cross beam. The problems that in the background technology, the blowing angle and range are limited, and the dust cleaning effect is relatively poor are solved.

The application discloses a carbon nanotube preparation method and a carbon nanotube preparation device. The carbon nanotube preparation method comprises the following steps: passing carrier gas: the carrier gas is passed into a growth bin; passing reactants: when the carrier gas is passed, the carbon source and the catalyst are passed into the growth bin to generate the carbon nanotube; and preheating the carrier gas: before the carrier gas is passed, at least part of the carrier gas is heated to keep the temperature of the central region of the growth bin at a preset temperature after the carrier gas is passed, so as to match the growth temperature of the carbon nanotube. The carrier gas preheated as the main heat source is directly supplied to the center of the growth bin, the heat efficiency is high, the energy consumption is low, the carbon deposition and shutdown are reduced; and the reactants are uniformly introduced into the center and fully mixed with the carrier gas, the temperature field is uniform, the radial temperature difference is small, the quality and yield of the carbon nanotube are improved, and the high-quality and low-cost large-scale preparation is realized.

The present application belongs to the technical field of waste heat recovery and air purification, and discloses an intelligent heat recovery air conditioning fresh air machine. The machine body shell is internally formed with a heat exchange area and a cleaning area separated by a baffle. The flue gas pipeline heat exchange device includes double-row flue gas pipelines in the heat exchange area, spiral fins on the outer wall of the double-row flue gas pipelines, and an air blower. The double-row flue gas pipelines include upper and lower pipelines connected through the cleaning area to form a U-shaped flue. The ash removal device includes an openable access door and a steel brush that can be inserted into the pipeline to remove ash. The fresh air introduction device includes an air blower and a fresh air purification module, which is used to introduce outdoor air after heat exchange and purification into the room. The waste gas purification device and the intelligent constant temperature control device include a PLC controller and a temperature sensor, which are used to automatically adjust the speed of the air blower to maintain a constant temperature according to the indoor temperature. The present application solves the problem of difficult cleaning of ash accumulation in the flue of the existing equipment, and has the functions of efficient heat exchange, convenient maintenance, deep purification, and intelligent control.

The present invention discloses a titanium dioxide waste acid concentration device and concentration process that is not easy to be blocked, including a heat exchanger, the liquid outlet end of the heat exchanger is connected to a flash chamber through a heat exchanger outlet circulation pipe, the upper side of the flash chamber is provided with an evaporation gas extraction port, the bottom is connected to the inlet of an axial flow pump through a central circulation pipe, and the central circulation pipe is provided with a concentrated acid liquid extraction port; the outlet of the axial flow pump is connected to a crystallizer through a pump outlet circulation pipe, the bottom of the crystallizer is provided with an elutriation leg, the crystallizer is provided with a liquid outlet and connected to a dilution mixing chamber through the liquid outlet, the dilution mixing chamber is connected to the liquid inlet end of the heat exchanger, and the dilution mixing chamber is provided with a dilute acid liquid inlet. The present invention has the advantages of not easy to block the equipment, simple treatment process, small increase in workload, low treatment cost, and high concentration of produced acid.

The application relates to the technical field of photovoltaic panel connecting equipment, and provides a photovoltaic panel junction box, which comprises a first junction box and second junction boxes located on the two sides of the first junction box, a first connecting assembly and at least one group of second connecting assemblies are arranged in the first junction box, the second junction box is matched with the first connecting assembly, the first connecting assembly comprises a first diode and a first metal sheet connected to the two sides of the first diode; the second connecting assembly comprises a second diode and a second metal sheet connected to the two sides of the second diode, the second metal sheet is respectively connected with a power line, the first junction box is provided with a mounting cavity, and a control assembly is mounted in the mounting cavity. Based on this, the connecting requirement of the dual-power solar panel can be met, and the problems of heat generation and power loss can be avoided.

The invention discloses a driving circuit of a display panel, a driving method of the display panel and a display device, and mainly relates to the technical field of display, the output end of a control panel is connected with the input end of a booster circuit module, and the output end of the booster circuit is connected with the input end of a source electrode driving circuit module; the input end and the output end of the selective step-down circuit module are respectively connected between the output end of the control board and the input end of the boost circuit module, or the input end and the output end of the selective step-down circuit module are respectively connected between the output end of the boost circuit module and the input end of the source electrode driving circuit module; the selection step-down circuit module is used for reducing the standard voltage signal higher than or equal to the threshold voltage and output by the control panel to be lower than the threshold voltage and then outputting the standard voltage signal, and meanwhile directly outputting the standard voltage signal lower than the threshold voltage and output by the control panel. Through the design, the source electrode driving circuit module is prevented from heating, the display fault problem is avoided, and the cost is reduced.

The invention provides an integrated double-side coating infrared drying heat pump combined supply system which comprises a drying oven system used for drying a lithium battery pole piece base material, a first air nozzle mechanism and a second air nozzle mechanism are arranged in the drying oven system, and a heat pump system matched with the first air nozzle mechanism and the second air nozzle mechanism is arranged in the drying oven system. And the infrared heating assembly is used for heating the waste gas. The drying oven system is provided with an exhaust port, waste gas exhausted by the exhaust port is exhausted by an exhaust fan after being cooled by the heat pump circulating system through an air pipe, and the lithium battery coating base material drying device has the advantages of being capable of effectively improving the energy utilization rate and protecting the lithium battery coating base material, low in energy consumption and the like, and has great economic value and social value.

A thermoelectric module according to one embodiment of the present application includes a heat exchange unit and a thermoelectric element provided on the heat exchange unit, wherein the heat exchange unit includes a case for accommodating a material for heat exchange and a cover covering the case, the thermoelectric element is provided on the cover, and the thermal conductivity of the cover is higher than the thermal conductivity of the case.

The invention discloses a magnetic bead mixing device for a magnetic control droplet microfluidic system, and relates to the technical field of microfluidics. The device comprises a magnetic control unit and a mechanical motion unit, the magnetic control unit comprises a magnet and a control mechanism which are arranged outside the system, and the mechanical motion unit comprises a mechanism for driving the chip bearing platform to vibrate. The two units work cooperatively, and efficient and uniform mixing of the magnetic beads in a closed cavity of the chip is achieved through the combined action of a magnetic field and mechanical vibration. The magnetic control unit controls magnetic field change, and the mechanical unit preset frequency drives vibration. Through a nonlinear synergistic mechanism, the problem of low uniform mixing efficiency in a laminar environment in a droplet microfluidic system is solved, and the device is simple in structure, easy to integrate and suitable for immunodetection, nucleic acid detection and other scenes needing magnetic bead uniform mixing, and the detection accuracy and the system reliability are improved.