7results about How to "Small temperature deviation" patented technology

This invention relates to a liquid cooling heat dissipation device and an energy storage battery module having the same, comprising a four-way valve and a flow guiding assembly. The four-way valve includes a first chamber, a second chamber, a third chamber, and a fourth chamber. A main water inlet is provided in the first chamber, and a main water outlet is provided in the third chamber. The first and fourth chambers are connected, as are the second and third chambers. A first water inlet is provided in the first chamber, and a first water return outlet is provided in the second chamber. A second water inlet is provided in the fourth chamber, and a second water return outlet is provided in the third chamber. The flow guiding assembly includes a first flow guiding channel and a second flow guiding channel. The first flow guiding channel includes a first flow guiding inlet and a first flow guiding outlet, and the second flow guiding channel includes a second flow guiding inlet and a second flow guiding outlet. The flow guiding assembly for cooling is no longer located at the bottom of the energy storage battery, does not require load-bearing, can reduce the wall thickness of the flow guiding assembly, reduce the space occupied, and thus increase the energy density of the energy storage battery.

A storage tank for storing an electrode slurry according to an embodiment of the present disclosure comprises: a tank body for storing an electrode slurry in an interior thereof; and an inflow port provided in an upper portion of the tank main body to supply the electrode slurry to the inside of the tank main body. The open end of the inflow port is directed to the inner wall of the tank body such that the electrode slurry supplied from the inflow port reaches the inner wall of the tank body and then flows downward along the inner wall of the tank body. The horizontal length of the open end of the inflow port is greater than the vertical length thereof.

The invention relates to the technical field of nuclear power reactor core outlet temperature detection, in particular to a reactor core outlet temperature measuring structure, which comprises an upper supporting column, a lower supporting column and a temperature sensor, the end plug is connected to the bottom of the upper supporting column, a circulation part is arranged on the end plug in the radial direction, and the end plug is communicated with the reactor core outlet through the circulation part; the detector assembly penetrates through the upper supporting column and the end plug and is provided with a thermocouple, and the thermocouple is used for detecting the outlet temperature of the reactor core; the detector assembly is inserted into the fuel assembly instrument tube; wherein the high-temperature coolant at the outlet of the reactor core enters the end plug through the circulating part and is mixed with the coolant from the instrument pipe of the fuel assembly. Through the arrangement, sufficient mixing can be ensured, so that the temperature deviation between the thermocouple measurement temperature and the reactor core outlet coolant temperature is reduced, and the thermocouple detection temperature reading can reflect the reactor core outlet coolant temperature more accurately.

The invention provides a temperature control method, device and equipment of a three-dimensional refrigeration house, a medium and a product, and belongs to the technical field of refrigeration house warehousing, and the method comprises the steps that a refrigeration house digital twinborn model is built based on a three-dimensional geometric structure of the three-dimensional refrigeration house, and the refrigeration house digital twinborn model carries out transient simulation on the temperature based on computational fluid mechanics; receiving a real-time warehousing plan; performing temperature regulation on the three-dimensional refrigeration house based on the real-time warehousing plan and the real-time temperature state of the three-dimensional refrigeration house by using a refrigeration house digital twin model; wherein the refrigeration house digital twin model takes a real-time temperature state as an initial condition and takes goods in a real-time warehousing plan as a transient heat source for transient simulation. The temperature influence of the goods on the three-dimensional refrigeration house in the warehousing plan is considered, and the temperature control precision is improved.

This invention discloses a small header structure and operating method for a 650℃ high-efficiency ultra-supercritical tower boiler, relating to the field of boiler technology. It solves the problem of reaching the upper limit of ferritic heat-resistant steel in the main and reheat steam outlet headers of tower boilers. The invention includes a main header, connecting pipes, a small header, and an outlet pipe joint. Each tube panel of the final stage superheater or reheater in the tower boiler is connected to a small header via an outlet pipe joint; the small header is connected to the main header via connecting pipes; the main header, connecting pipes, and small header are all made of iron-nickel-based high-temperature alloy materials. This invention, through the main and reheat steam outlet header and small header structure, can reduce inter-tube temperature deviation, effectively eliminating the thermal stress caused by inter-tube deviation in conventional large header schemes. It can also reduce the wall thickness of the main header, as thermal stress is proportional to wall thickness, thus reducing thermal stress, improving compressive strength, and facilitating flexible operation.

The application provides a test piece for evaluating the heat insulation performance of a low-thermal-conductivity material and a test device, the test piece comprising a test piece to be measured, a metal back plate and a heat insulation piece, wherein the test piece to be measured is made of a low-thermal-conductivity material; the metal back plate is fixedly arranged on the test piece to be measured, and the metal back plate comprises a first back plate unit, a second back plate unit and an Nth back plate unit from inside to outside in sequence, and there is no connection between any adjacent back plate units, and for any adjacent back plate units, the back plate unit located on the inside is arranged in the back plate unit located on the outside; the heat insulation piece is connected with the metal back plate, the metal back plate is arranged between the test piece to be measured and the heat insulation piece, the heat insulation piece has a concave cavity, and part of the back plate units are not in contact with the heat insulation piece. The application can better realize fine evaluation of the heat insulation performance of a low-thermal-conductivity material and ensure the evaluation precision.

This utility model discloses a system for preheating and melting solid materials. It employs an inclined feeding and preheating channel design, effectively balancing the speed, stability, and accuracy of scrap steel feeding. It also effectively increases the heat exchange area between the scrap steel and high-temperature flue gas, significantly improving heat exchange efficiency, production efficiency, and energy consumption. Furthermore, by monitoring and controlling the real-time preheating temperature of the scrap steel during the heat exchange process, it effectively improves the preheating temperature of the scrap steel and the efficiency of flue gas waste heat utilization. In addition, a combination of gas-fired heating burners and electromagnetic heaters is used during scrap steel melting to achieve rapid heating and melting of the solid scrap steel, further improving overall production efficiency and reducing energy consumption. This utility model's system has a simple structure, is easy to operate and control, and offers a convenient preheating and melting process with high production efficiency and low energy consumption, showing excellent prospects for large-scale promotion and application.