7results about How to "Improve thermal energy utilization efficiency" patented technology

This utility model discloses a low-temperature high-frequency surgical scalpel, comprising: a handheld part; and a scalpel head body mounted on the handheld part. The handheld part is used to connect a power source, enabling the scalpel head body to perform high-frequency cutting. The scalpel head body includes a blade surface and a cutting edge, with the cutting edge surrounding the blade surface and having a beveled structure. The surface of the blade surface is coated with an insulating coating. This allows for low-temperature, high-efficiency cutting, reducing thermal damage to tissues.

The utility model discloses a kind of heat pump energy systems, comprising: heat storage box, including high temperature layer, heat storage layer and low temperature layer being arranged in descending order along height direction;Heat storage layer is filled with heat storage phase change medium, and heat storage layer is respectively connected with high temperature layer and low temperature layer;High temperature layer is equipped with the liquid inlet line of liquid supply to heat pump assembly, and low temperature layer is equipped with the liquid return line of receiving heat pump assembly return liquid;Low temperature layer is equipped with auxiliary heating band;First heat source component, including first heat exchange piece, and first heat exchange piece is arranged in low temperature layer and is used to transfer the heat of first heat source piece to low temperature layer;Second heat source component, including second heat exchange piece, and second heat exchange piece is arranged in high temperature layer and is used to transfer the heat of second heat source component to high temperature layer.The utility model sets up high temperature layer, heat storage layer and low temperature layer in heat storage box, form layered structure, cooperate with the liquid inlet and liquid return circuit of heat pump assembly, realize the directional circulation of cold and hot fluid, avoid the temperature stratification failure problem caused by cold and hot water mixing in traditional water tank.

The utility model relates to the technical field of cooking utensils for daily life, and discloses a multifunctional civil multilayer stove in order to solve the technical problems that a traditional civil stove is single in function, can only meet the single cooking or heating requirement and is difficult to meet the requirements of modern families for space utilization efficiency and multifunctionality. Comprising a furnace body, a first partition plate and a second partition plate are arranged in the furnace body, and the inner space of the furnace body is divided into an upper furnace area, a middle furnace area and a lower furnace area by the first partition plate and the second partition plate; the lower furnace area is provided with an ash collecting hopper and two third furnace openings, the ash collecting hopper is located on the front side of the furnace body, and the two third furnace openings are formed in the left side and the right side of the furnace body respectively; the upper furnace area is provided with a second furnace opening and a smoke exhaust pipe, the smoke exhaust pipe is communicated with the upper furnace area, a smoke exhaust opening is formed in the smoke exhaust pipe, and the middle furnace area is provided with a first furnace opening; and a bearing plate and a furnace end are arranged at the top of the furnace body.

This invention discloses a PTC regeneration bypass control method for window-type oxygen-enriched membrane fresh air systems, belonging to the field of air handling equipment control technology. The method includes: real-time monitoring of the oxygen-enriched membrane component performance degradation rate, dew point of the drying unit, indoor carbon dioxide concentration, and indoor-outdoor temperature difference; comprehensively determining the oxygen-enriched membrane performance degradation and the drying unit regeneration needs, and calculating and selecting the optimal time point with the least impact on the indoor environment to initiate regeneration, taking into account indoor air quality and heat load conditions; first switching to bypass ventilation mode to maintain basic air exchange, while simultaneously regenerating the drying unit and independently expelling moisture outdoors; and smoothly switching back to the original operating mode after regeneration is complete. This method solves the problems of improper regeneration timing, impact on indoor ventilation and comfort during regeneration, and high regeneration energy consumption in existing technologies, achieving efficient, energy-saving, and intelligent regeneration and maintenance of core consumables while ensuring continuous indoor air quality.

The application discloses a park heat energy grade layering matching and full privacy protection multi-agent energy-carbon collaborative scheduling method, relates to the technical field of comprehensive energy system operation and control, and comprises the following steps: S1: according to the temperature range, heat energy is divided into multiple grade levels, and actual heat of different grades is converted into equivalent work for representing the quality value; S2: a multi-agent energy-carbon collaborative optimization scheduling model is constructed, which comprises a local optimization objective function of each agent, a local constraint condition and a multi-agent global coupling constraint; S3: an alternating direction multiplier method is adopted, and only coupling variables are exchanged between each agent and a park collaborative layer for iterative solving, so that the multi-agent energy-carbon collaborative optimization scheduling model is solved under the premise of protecting the internal data privacy of each agent, and an optimal collaborative scheduling strategy is obtained. Therefore, the overall heat energy utilization efficiency of the park is significantly improved, and the collaborative optimization of energy efficiency and carbon emission reduction is realized.

This application discloses a burner and a cooktop, belonging to the technical field of gas stoves. The burner includes a main body and a fan assembly. The main body has a gas blowing channel, at least one flue gas recirculation channel, and multiple flame outlets. The gas blowing channel has a first inlet and a first outlet. The flue gas recirculation channel has a flue gas recirculation port and a flue gas outlet. The first inlet is connected to the flue gas outlet, and the first outlet is connected to at least some of the flame outlets. The first outlet, the flue gas recirculation port, and the flame outlets are all upward-facing. At least a portion of the fan assembly is disposed within the main body. The fan assembly is used to form an airflow from the first inlet to the flame outlets within the gas blowing channel. This embodiment can extend the residence time of the flue gas generated by the burner, thereby improving the heat exchange effect between the flue gas and the bottom of the cookware, and thus improving thermal efficiency.

The utility model discloses a door cover for drying machine belongs to drying machine door cover technical field, it includes door cover, the opening is seted up in the bottom of door cover, the bottom of door cover is located one side of opening and is installed with inner sealing door board, the both sides of door cover are installed with first fixed plate and second fixed plate respectively, fixedly be provided with fixed block on the door cover, the utility model discloses through setting up electric heating wire in the hollow structure of door cover and rotary cover plate, can carry out even heating to door cover whole, make its surface temperature always maintain above dew point, fundamentally effectively prevented the inside high humidity gas condensation into liquid membrane or liquid drop, has guaranteed the cleanliness of material, through first drain pipe, air deflector carries out heat guidance to inner sealing door board inner surface, through second drain pipe and flow guide tube carries out heat guidance to the opening, has guaranteed the evenness of door cover and drying machine internal thermal field distribution, has improved the drying evenness of material and overall heat energy utilization efficiency.