9results about How to "Reduce heat up" patented technology

The invention relates to an anti-yellowing automobile composite film and a preparation method thereof, and belongs to the technical field of high polymer materials. The yellow-resistant automobile composite film is prepared from the following components in parts by weight: 60 to 70 parts of PVC (Polyvinyl Chloride) master batch, 10 to 20 parts of TPU (Thermoplastic Polyurethane) master batch, 1 to 2 parts of plasticizer, 0.5 to 0.8 part of flatting agent, 0.1 to 2 parts of yellowing-resistant modifier and 0.1 to 2 parts of modified flame retardant, sym-triazine cyanuric chloride and a benzotriazole intermediate in the anti-yellowing modifier absorb ultraviolet rays and reduce yellowing of the ultraviolet rays on the composite material, and maleimide groups, maleic anhydride and isocyanurate rings for increasing the crosslinking density cooperate with one another, so that the heat resistance of the material is improved, and the yellowing is reduced; phosphorus and nitrogen main chains of phosphonitrilic chloride trimer in the modified flame retardant have a conjugation effect, so that a protective film is formed, oxygen is isolated, and the phosphonitrilic chloride trimer and nitrogen are synergistically flame-retardant; the anti-yellowing automobile composite film prepared by the invention not only has excellent ultraviolet absorption performance, heat resistance and anti-yellowing effects, but also has a good flame retardant effect.

The invention relates to the technical field of detection, in particular to an inner wall state detection device for a liquid hydrogen transportation tank, which comprises a miniature liquid hydrogen transportation outer tank, a miniature liquid hydrogen transportation inner tank is welded and fixed at the upper end of the inner wall of the miniature liquid hydrogen transportation outer tank, and the upper end of the miniature liquid hydrogen transportation inner tank penetrates through the top of the miniature liquid hydrogen transportation outer tank and is in threaded connection with a screw cover; according to the device, by means of the characteristic that liquid argon can be gasified when making contact with normal-temperature air, when the micro liquid hydrogen transportation outer tank is broken, the trigger mechanism is started, and the micro liquid hydrogen transportation inner tank is in a vacuum state; the liquid argon is gasified and mixed with the fluorescent dry powder, the colored gas generated by gasification is sprayed out from the damaged position to form a striking visual mark, a worker can visually find the damaged position at the first time without the aid of a complex detection instrument or large-area troubleshooting, and the fault diagnosis time is greatly shortened.

The utility model relates to battery technology field provides a kind of battery pack temperature maintaining system, comprising: battery pack, the outer surface of the battery pack is equipped with light-absorbing layer;Transparent outer wall, it is set to the outside of the battery pack with the battery surrounding and is equipped to form accommodating cavity, the accommodating cavity is communicated with atmosphere;Temperature pressure suction cavity, the temperature pressure suction cavity is communicated with the accommodating cavity and forms containing space, the non-transparent cooling liquid is accommodated in the containing space;The cooling liquid can flow under the action of air pressure between the temperature pressure suction cavity and the accommodating cavity.This battery pack temperature maintaining system can reduce the energy loss of battery pack in low temperature environment, improve the energy maintaining capacity of battery pack.

The present application relates to the technical field of chemical separation, and discloses a carbon dioxide capture system and process, which comprises an absorption tower, a tower body of the absorption tower being provided with an absorption liquid inlet, a lean gas outlet and a lean liquid inlet at the upper portion, a gas source inlet and a rich liquid outlet at the lower portion, and a cooling device arranged in the absorption tower; an analysis tower, a tower body of the analysis tower being provided with a rich liquid inlet and a CO2 outlet at the upper portion, and a lean liquid outlet at the lower portion; a first pipeline connecting the rich liquid outlet and the rich liquid inlet; a second pipeline connecting the lean liquid outlet and the lean liquid inlet; a lean-rich liquid heat exchanger connected to the first pipeline and the second pipeline; and a baffle heat exchanger arranged on the first pipeline between the lean-rich liquid heat exchanger and the analysis tower. The rich liquid is pre-analyzed before entering the analysis tower, so that the load of the analysis tower is reduced, the analysis efficiency is improved, and the comprehensive energy efficiency of the carbon dioxide capture system is improved.

The utility model provides a battery monomer fixing device, and relates to the technical field of battery testing, the battery monomer fixing device comprises a fixing seat, a driving pump and two clamping plates arranged oppositely, the two clamping plates are arranged on the fixing seat in a sliding manner, and the clamping plates are internally provided with first cavities for accommodating cooling liquid; the driving pump communicates with the first cavity channels of the two clamping plates and is used for pumping cooling liquid into the first cavity channels. According to the invention, the battery monomers can be cooled through the internal cooling liquid while the battery monomers are fixed, so that the temperature rise of the battery caused by frequent charging and discharging of the battery monomers is reduced or even avoided, and the possibility of thermal runaway and even explosion of the battery in the test process is reduced; and life and property safety in the test process is ensured.

The application discloses a kind of grain production site dry storage integrated warehouse and operating method, its structure includes cylinder type warehouse, ventilation system and material system.The outer wall of cylinder type warehouse is provided with a layer of radiation refrigeration material;The ventilation system includes ventilation cage, ventilation cage includes vertical pipe and cross pipe, vertical pipe is arranged inside cylinder type warehouse, ventilation hole is evenly opened on the pipe wall of vertical pipe, one end of cross pipe is connected with vertical pipe, the other end of cross pipe is arranged outside cylinder type warehouse, and is connected with cylinder type warehouse by support rod;The material system includes material cone plate, and material cone plate is fixedly connected with ventilation cage, and is connected with cone bottom by support rod.The application has reasonable structure, solves the problem of central grain preferential discharge when circulating in and out, can avoid the influence of adverse environment such as rainfall, effectively reduces the temperature rise in the warehouse caused by solar radiation, and precipitation is efficient, easy to operate, energy saving and environmental protection.

This invention discloses a transformer core silicon steel sheet cutting device, relating to the field of transformer core silicon steel sheet cutting technology. It includes an upper and lower longitudinal cutting shaft arranged parallel to each other and rotatable relative to each other. Multiple disc cutters for cutting silicon steel sheets and multiple spacers for supporting and separating the disc cutters are staggered on both the upper and lower longitudinal cutting shafts. A lubrication mechanism is located on the feeding side of the longitudinal cutting mechanism, an anti-escape mechanism is located on the discharge side of the longitudinal cutting mechanism, and a blade adjustment mechanism is located on the upper longitudinal cutting shaft. The advantages are: by integrating the lubrication and anti-escape mechanisms, "precise lubrication" and "efficient recovery" are achieved in the cutting process, reducing the frequency of downtime and blade replacement due to tool wear, thereby significantly extending the overall service life of the tools. Combined with online backlash monitoring and the rapid axial fine-tuning function of the blade adjustment mechanism, it can quickly compensate for the decrease in accuracy caused by natural tool wear, extending the effective working time within a single tool replacement cycle.

The invention provides a battery positive electrode tab cutting position optimization method and device and a battery preparation method, and belongs to the technical field of battery safety. The method comprises the following steps: acquiring structural design parameters of prepared different batteries and damage data after being impacted by a heavy object in different charge states; based on the multiple groups of structural design parameters and the corresponding damage data, constructing a cutting position optimization model; obtaining structural design parameters of the to-be-optimized battery; and taking the structural design parameters of the to-be-optimized battery as the input of the cutting position optimization model to obtain the cutting position of the positive tab of the to-be-optimized battery. According to the invention, the optimal cutting position of the positive pole lug of the battery is determined through the structural design parameters to produce and prepare the battery, so that the safety of the battery after being impacted by a heavy object can be effectively improved, and the temperature rise and explosion risk of the battery is reduced.

The utility model discloses a low-temperature ultrafine grinder for traditional Chinese medicinal materials, which relates to the technical field of traditional Chinese medicinal materials, and comprises an outer box and a filter plate arranged in the outer box, the lower surface of the filter plate is provided with an aperture adjusting mechanism, and the aperture adjusting mechanism comprises a fixing ring fixedly connected with the lower surface of the filter plate. According to the low-temperature ultrafine grinder, through cooperative use of the electric telescopic rod, the rotating sleeve, the first sliding groove, the fixing ring, the second sliding groove, the third sliding groove, the sliding block, the adjusting plate and the sliding column, the fineness of powder can still be flexibly controlled under the low-temperature environment through the dynamic adjusting function; by reducing the pore diameter, the medicinal material can be crushed to superfine particle size at one time in a low-temperature embrittlement state, low-temperature energy consumption loss caused by repeated crushing is reduced, meanwhile, the damage of excessive crushing to the effective components of the heat-sensitive medicinal material is avoided, and the design gives consideration to the integrity of the active components of the medicinal material while ensuring the crushing efficiency. And the aperture of the screen is adjusted.