38results about How to "Conducive to cascading utilization" patented technology

The invention provides a multistage heat accumulating type solar heat-power cogeneration system which comprises a tower type heat absorption-accumulation-transfer subsystem, a tank type heat absorption-accumulation-transfer subsystem, a flat plate type heat absorption-accumulation-transfer subsystem and a heat-power cogeneration subsystem, wherein the tower type heat absorption-accumulation-transfer subsystem, the tank type heat absorption-accumulation-transfer subsystem and the flat plate type heat absorption-accumulation-transfer subsystem are coupled through a moderate temperature coupling heat accumulator and a low temperature coupling heat accumulator; and the heat-power cogeneration system comprises a power supply mode, a heat supply mode and a heat-power cogeneration mode, and operates together with the three heat absorption-accumulation-transfer subsystems. The invention organically combines the solar tower type, tank type and flat plate type heat collecting systems to form high temperature, moderate temperature and low temperature three-stage heat accumulators; and thus, the invention can meet the requirements for industrial large-scale solar moderate temperature and high temperature heat utilization, and is beneficial to the comprehensive cascading utilization of energies.

The invention discloses a comprehensive utilization method of copper smelting tailings. The method comprises the following steps that (1) after the copper smelting tailings are sieved and classified as raw materials, pulverized materials of the copper smelting tailings are obtained, and then the pulverizing materials are subjected to flotation to obtain copper concentrate; (2) copper smelting tailing recleaning gangue obtained after the copper concentrate is obtained through flotation in the step (1) is used as a raw material, magnetic plants with different magnetic field strengths are used for magnetic separation, iron-bearing copper smelting tailing recleaning gangue in different steps is obtained, and the iron-bearing copper smelting tailing recleaning gangue with different iron-bearinggrades is concentrated and filtered or dried and dehydrated to obtain iron-bearing copper smelting tailing recleaning gangue powder with different iron-bearing grades; and (3) the iron-bearing coppersmelting tailing recleaning gangue powder obtained in the step (2) is mixed with an annexing agent to be subjected to ball grinding mechanochemistry activation, and solid activated copper smelting tailing fine powder is obtained to serve as a blend of cement. The comprehensive utilization method realizes efficient utilization of the copper smelting tailings, is strong in applicability, is green and environment-friendly, and is reliable in operation.

The invention provides a powder manufacturing and air adjusting system utilizing waste heat and a powder manufacturing and air adjusting method. The powder manufacturing and air adjusting system utilizing the waste heat comprises an air pre-heater (28), an air supplying and heating device (30) used before air preheating, a hot primary air phase change cooler (11), a coal mill (13), a dust remover (24), an air induction fan (23) and a low temperature heater (22) for condensation water. According to the invention, on the premise of guaranteeing the system safety, various automatic adjustment measures are taken for improving the adjustment ability of the powder manufacturing system greatly, and the coupling problem of the powder manufacturing capacity and the drying capacity of existing powder manufacturing systems of boilers is solved; comprehensive utilization of the waste heat of smoke and hot primary air is realized, the drying energy for the powder manufacturing system can be utilized optimally, and the utilization efficiency of the waste heat can be improved.

The invention discloses a hierarchical heating type domestic hot water storage and supply system and a control method of the hierarchical heating type domestic hot water storage and supply system. The hierarchical heating type domestic hot water storage and supply system comprises a hierarchical heating type water storage system used for storing heated water in a hierarchical mode according to water temperature, a water replenishing system, a hot water heating system, a hot water supplying system used for outputting the hot water in the hierarchical heating type water storage system, and an automatic control system, wherein the water replenishing system, the hot water heating system, the hot water supplying system and the automatic control system are connected with the hierarchical heating type water storage system. According to the hierarchical heating type domestic hot water storage and supply system and the control method of the hierarchical heating type domestic hot water storage and supply system, the hierarchical heating type domestic hot water storage and supply method and the intelligent control method are adopted, hot water and cold water are layered naturally according to the temperature gradient, gradient utilization of energy resources is facilitated, the inlet water temperature of a heat pump water heater is low, the condensation temperature of the system is lowered, the energy efficiency ratio is high, and energy resources are saved; the hierarchical heating type domestic hot water storage and supply system is reasonable in design, efficient, capable of saving energy, high in water temperature control precision, stable in outlet water temperature, high in use comfort, and capable of reducing environment pollution.

The invention relates to a method for detecting residual energy of a battery module, comprising: S1, obtaining performance data of different single batteries, and connecting single batteries with consistent performance data to form a battery module; S2, according to the performance data of the single batteries And the connection relationship of each single battery in the battery module, the detection current, charge cut-off voltage and discharge cut-off voltage of the battery module are obtained respectively, wherein, the detection current is I 3 current; S3, using the detection current, discharge the battery module with a constant current to the discharge cut-off voltage of the battery module, then stop discharging, and leave the battery module for 1 hour; S4, use the detection current, discharge the battery module with a constant current Charge to the charging cut-off voltage of the battery module, and record the constant current charging time; S5, obtain the capacity of the battery module according to the detected current and the constant current charging time, which is the residual energy detection value of the battery module. Compared with the prior art, the invention shortens the residual energy detection time on the basis of ensuring the accuracy.

The invention relates to a vertical internal circulation soil thermal desorption device, which includes a material circulation unit, a flue gas circulation unit and a waste heat recovery unit; the material circulation unit includes a preheating section, an initial desorption unit, and a preheating section that are sequentially connected along the material flow direction to form a circulation loop. chamber, deep desorption chamber and material return chamber; the flue gas circulation unit includes a combustion chamber, an inner heating chamber and an outer heating chamber connected in sequence along the flue gas flow direction; the inner heating chamber and the outer heating chamber are respectively formed inside the primary desorption chamber and the outside; the combustion chamber and the deep desorption chamber have the same wall; a separation chamber for separating fine particles and heating the preheating section is formed between the inner heating chamber, the initial desorption chamber and the return chamber, and the inner and outer heating chambers are connected. The primary desorption chamber is connected with the separation chamber, and the gas outlet section of the separation chamber and the external heating chamber act on the preheating section simultaneously from both sides. The invention improves the desorption efficiency through the cascade utilization of energy and the internal circulation of materials.

The invention relates to the technical field of batteries. The invention discloses a battery module support frame and a battery module. The battery module support frame includes an insulating upper bracket, a lower bracket and a first electrical connector. The upper bracket is provided with several rows of battery accommodation grooves, and each row The battery storage slots are arranged side by side with several battery storage slots. The end of each row of battery storage slots used to place the positive or negative poles of the battery is called a node, and the nodes of the several rows of battery storage slots are all provided with first electrical connectors. The lower bracket is provided with a battery storage slot corresponding to the upper bracket and a first electrical connector storage slot, and the first electrical connector is arranged in the first electrical connector storage slot for the same row The parallel connection of the batteries in the battery containing grooves and the series connection of the batteries in the battery containing grooves of adjacent rows. The invention has no welding on the battery, simple assembly process, convenient installation and maintenance, good thermal performance and vibration resistance.