9results about How to "Stable cooling" patented technology

The utility model discloses a stainless steel casting forming technical field's a kind of stainless steel casting forming equipment with quick cooling function, including casting mould, the bottom of casting mould is provided with cooling support assembly, cooling support assembly includes heat insulation pedestal, the bottom of one side of heat insulation pedestal is provided with circulating conveying component, circulating conveying component includes input pump box, circulating conveying component is installed in the bottom of one side of heat insulation pedestal, the scheme is arranged cooling support assembly, wherein the quick cooling cavity in heat insulation pedestal is arranged circulating cooling pipeline, and is matched with input pump box and output pump box to form circulating conveying system, can be outside ultra-low temperature cooling medium high-efficiency circulating conveying to pipeline inside, by the contact cooperation structure of metal heat conduction plate and metal heat conduction strip, and the recessed groove design of the matching of casting mould bottom four around and metal heat conduction strip, can be ultra-low temperature evenly conducted to casting mould, optimizes casting cooling process.

The utility model provides a superconducting cable skeleton and a superconducting cable, the superconducting cable skeleton comprises at least one layer of spiral skeleton, at least the outermost layer of spiral skeleton is formed by spirally twisting a strip-shaped metal plate, and at least one layer of spiral skeleton is provided with a cooling medium channel which spirally penetrates through the spiral skeleton along the spiral direction. The spiral framework can guarantee certain supporting performance, has sufficient flexibility and elasticity, and can be repeatedly bent. When the superconducting cable framework needs to be bent, the gaps on the spiral framework can provide enough bending space, and then the requirement for high flexibility is met. Meanwhile, at least one layer of spiral framework is provided with a cooling medium channel which spirally penetrates through the spiral framework in the spiral direction, and a cooling medium is introduced to provide stable cold conduction for the superconducting tape. After the superconducting tape is wound outside the superconducting cable skeleton, internal cold conduction is not affected, external cold conduction is not needed, and the compactness and the application environment applicability of the cable are improved.

The present application relates to a kind of hard candy cooling machine optimization method based on roller frequency conversion speed control. Among them, the method includes: obtaining multidimensional cooling condition data, by cooling stage division and unique identification, obtain segmented cooling condition data;The corresponding data is input into the speed-cooling effect mapping model, and the mapping relationship of the roller speed hard candy cooling rate is obtained;The speed regulation interval of the corresponding stage is divided, and the linkage cam swing conveying collaborative mechanism is used to dynamically match the swing amplitude;By optimizing the corresponding model, the roller frequency conversion speed control strategy is obtained;The characteristic state of current hard candy is identified, and the control instruction of corresponding stage is output;The feedback data of roller speed is compared with control instruction threshold, and the cooling air volume is dynamically adjusted, and the cooling process data is output;Fine-tune swing amplitude and frequency, and obtain cooling execution result;Through deviation analysis, the hard candy cooling machine optimization method of self-iterative frequency conversion control is realized.

This disclosure relates to the fields of semiconductor and photovoltaic technology, and particularly to a furnace door and process furnace, addressing the problem of sealing failure in related technologies due to the furnace door being exposed to a high-temperature environment for extended periods. The furnace door includes a door body and a cooling flow channel, which includes an inlet and an outlet. The cooling flow channel comprises a first flow channel, a second flow channel, a first channel, and a second channel that are interconnected. The first and second flow channels are arranged opposite each other along a first direction, and the first and second channels are arranged opposite each other along a second direction. The first end of the first flow channel and the first end of the second flow channel are connected through the first channel, and the second end of the first flow channel and the second end of the second flow channel are connected through the second channel. The inlet is located at the first end of the first flow channel, and the outlet is located at the first end of the second flow channel. The furnace door and process furnace provided by this disclosure are beneficial for increasing the coverage area and flow velocity of the cooling medium in the furnace door, thereby improving the cooling effect of the furnace door and preventing sealing failure.

The invention relates to the technical field of chip packaging, and provides a chip packaging welding method, which comprises the following steps of: putting a chip workpiece and a jig into a preheating area, vacuumizing and then preheating; infrared heating is started to a first welding temperature after transferring into a welding area, advancing is conducted at a first conveying speed, the vacuum degree and the temperature are monitored in real time, the vacuum degree is not lower than a threshold value, if vacuum continues to decrease and exceeds the threshold value or temperature fluctuation exceeds the threshold value, infrared heating is suspended, and parameters are adjusted and speed is increased according to an actual pumping speed formula of the molecular pump; after welding, entering a cooling area, and maintaining the vacuum degree of 5 * 10 <-4 >-8 * 10 <-4 > Pa for cooling; and finally, closing a main pumping valve of the molecular pump, slowly opening an inflation valve, and inflating dry nitrogen according to an inflation time formula until the pressure in the furnace is balanced with the atmospheric pressure. And the process stability is good, the consistency of batch chip packaging quality can be ensured, and the welding spot defect is low.

This invention discloses a feed cooling and grading sieve, relating to the field of feed cooling and grading technology. It includes a central cylinder and a sieve cylinder, the sieve cylinder rotating relative to the central cylinder, the central cylinder and the sieve cylinder being coaxially arranged, forming an annular cavity between them; an isolation ring and a spiral ring, the isolation ring being fixedly connected to the central cylinder, the spiral ring being disposed on the inner wall of the sieve cylinder and rotating with the sieve cylinder, the isolation ring dividing the annular cavity into multiple zones; a connecting component for connecting or closing adjacent zones; a venting ring and a conveying pipe, an air compressor delivering high-pressure cold air through the conveying pipe to the venting ring, the venting ring being connected to the annular cavity. The beneficial effects of this invention are that the annular cavity allows for cooling and grading of materials within it, resulting in a more compact space for the materials. The zoned material arrangement prevents hot materials entering the sieve cylinder from sharing the same temperature environment with cold materials exiting the sieve cylinder, avoiding airflow turbulence and ensuring that the materials are cooled strictly according to a temperature gradient.

This application relates to a steam turbine generator, specifically within the technical field of generators. The generator includes a steam turbine generator body, with an exhaust fan mounted at one end and an induced draft fan at the other end. An air inlet pipe is connected to the induced draft fan and passes through the side wall of the steam turbine generator body casing. Multiple air outlet pipes are fixedly connected to and connected to the air inlet pipe. The outlet ends of the air outlet pipes pass through the side wall of the steam turbine generator body and are located within the steam turbine generator body. Multiple branch air pipes are fixedly connected to the arc-shaped side wall of the air outlet pipes, with the branch air pipes facing inwards towards the interior of the steam turbine generator body. A water-cooling assembly is located in the middle section of the steam turbine generator body. This application improves the power generation efficiency of the steam turbine generator.

A hot-dip galvanized coating for iron casting materials and its hot-dip galvanizing method are disclosed. The coating comprises the following raw materials in parts by weight: Mg: 4-6 parts; Al: 3-5 parts; Pb: 6-8 parts; Zn: 90-95 parts; copper selenide: 0.5-1 parts. This application utilizes a typical Mg-Al-Zn system, adding Pb and copper selenide to improve the fluidity of various materials in the galvanizing bath, adapting to the uneven surface of the iron casting material, thereby ensuring its corrosion resistance.

The utility model relates to the technical field of hydraulic motors, in particular to a novel double-support hydraulic motor which comprises a double-support hydraulic motor body, an oil inlet cavity of the double-support hydraulic motor body is fixedly connected with an oil inlet pipe, and an oil outlet cavity of the double-support hydraulic motor body is fixedly connected with an oil outlet pipe. The tail end of the oil inlet pipe is fixedly connected with a hydraulic power unit; the side opening of the tee joint is provided with a cooling assembly, the top opening of the tee joint is fixedly connected with a flow dividing pipe, the outer wall of the cooling assembly is in through connection with a cooling oil conveying pipe, and the flow dividing pipe and the cooling oil conveying pipe are in through connection with the hydraulic power unit. Through the arrangement of the tee joint, the shunt pipe and the cooling assembly and the arrangement of a hydraulic oil cooling path outside the hydraulic motor, the design ensures that oil can be cooled in a system more smoothly, the problem of heat accumulation caused by insufficient lubrication of a bearing under a high-temperature working condition is effectively avoided, and the service life of the bearing is prolonged.