3results about How to "Increase cooling capacity" patented technology

The utility model belongs to the technical field of heat energy storage and heat supply control, provide a new type of variable interval serpentine plate type phase change cold accumulator structure, including the cold accumulator shell, the serpentine series connection pipe subassembly including the connecting sleeve subassembly between the two opposite side walls of cold accumulator shell and a plurality of setting in the mouth type pipe plate of cold accumulator shell, a plurality of mouth type pipe plates are in parallel, and the connecting sleeve subassembly is used for connecting a plurality of mouth type pipe plates in proper order to make a plurality of mouth type pipe plates form series intercommunication, and the connecting sleeve subassembly is communicated with fluid inlet and fluid outlet, and along the flow direction of fluid, the interval between two adjacent mouth type pipe plates gradually reduces, and the interval between two adjacent mouth type pipe plates is filled with phase change material, and the phase change material is used for carrying out heat exchange with the fluid in the mouth type pipe plate. The utility model discloses variable interval serpentine plate type phase change cold accumulator structure little flow resistance, high heat transfer efficiency, compact structure is applicable to the high power density demand scene.

The present application relates to a kind of methyl tetrahydrophthalic anhydride continuous production process and device, the present application adopts piperylene segmented feed, isoprene is first with a part of piperylene and maleic anhydride pre-synthesis reaction at low temperature, then continue to react with another part of piperylene at higher temperature, reduce isoprene self-polymerization, using column tube heat exchanger to improve synthesis efficiency, heater and mixer are set on external circulation pipeline to carry out temperature control to reactor, using the method that reactor synthesis product carries fresh raw material and circulates into reactor to prevent fresh carbon five and anhydride aggregation self-polymerization to reduce side reaction, no high polymer slag is generated.

The utility model provides a kind of battery pack and the electric device with it, the battery pack includes battery box, multiple upper battery groups and multiple lower battery groups, battery box includes upper battery compartment and lower battery compartment;Wherein, the bottom of upper battery compartment is provided with first cold plate, the bottom of lower battery compartment is provided with second cold plate, battery box has total water inlet and total water outlet, the water inlet of first cold plate is connected with total water inlet by first water inlet pipe, the water inlet of second cold plate is connected with total water inlet by second water inlet pipe, the water outlet of first cold plate is connected with total water outlet by first water outlet pipe, the water outlet of second cold plate is connected with total water outlet by second water outlet pipe, the total flow passage cross-sectional area of first cold plate is greater than the total flow passage cross-sectional area of second cold plate. Through the technical scheme provided in the present application, the problem of poor heat dissipation effect of the upper battery compartment in the related art can be solved.