18results about How to "Improve thermal energy utilization efficiency" patented technology

The embodiment of the invention provides a cascade heating superheated steam generation system and a control method thereof, and belongs to the technical field of energy engineering and thermal power. The system comprises: an evaporation device provided with a plurality of heat exchangers, wherein the evaporation device is used for treating preheated produced water into wet saturated steam; wherein the series-parallel connection relation between the heat exchangers in the evaporation device is adjusted based on real-time heat supply demand information; the steam conversion device is used for converting the wet saturated steam into superheated steam for steam injection; the control device is used for determining the serial numbers of the heat exchangers participating in heat exchange and the series-parallel connection relation of the heat exchangers participating in heat exchange based on the real-time heat supply demand information; the fused salt conveying device sequentially passes through the steam conversion device and the evaporation device and is used for providing a heat source for the steam conversion device and the evaporation device. According to the scheme, the method adapts to complex heat supply demand scenes, and therefore an efficient, flexible and intelligent solution is provided for thick oil steam injection.

The utility model discloses a heat accumulating type rotary furnace which comprises a rotary furnace body and a heat accumulating mechanism, the left end of the rotary furnace body is rotationally connected with a rotary furnace tail through a first bearing, the right end of the rotary furnace body is rotationally connected with a rotary furnace head through a second bearing, an inner lining plate is arranged on the inner arc face of the rotary furnace body, the rotary furnace body gradually inclines downwards from left to right, and a burner is arranged at the upper end of the rotary furnace head. A shell is arranged between the rotary furnace tail and the rotary furnace head, the rotary furnace body is located in the shell, and a PLC is arranged on the front surface of the rotary furnace head. According to the heat storage type rotary furnace, heat of the rotary furnace is recycled in a heat storage mode, the circulating heat can be conveniently called at any time, the heat energy utilization efficiency of the rotary furnace is improved, and the heat storage type rotary furnace saves energy and is environmentally friendly; and the flowing track of the flue gas in the heat storage part is guided, so that the heat storage body absorbs heat in the flue gas more sufficiently, and the heat storage effect of the heat storage body is improved.

The invention provides a finned tube heat exchanger capable of enhancing heat exchange and inhibiting frosting, which comprises a finned tube heat exchanger capable of enhancing heat exchange and inhibiting frosting by changing the structure of an evaporator, and the finned tube heat exchanger has six mounting structures including a structure I, a structure II, a structure III, a structure IV, a structure V and a structure VI, the first structure comprises a first finned tube set, a first axial flow fan and a first wind shield, and compared with the prior art, the finned tube heat exchanger capable of enhancing heat exchange and inhibiting frosting has the following beneficial effects that the specially-designed fin structure can be better matched with a wind field, the heat transfer efficiency is improved, and the heat exchange efficiency is improved; and secondly, due to the special structural design, the frosting phenomenon can be effectively restrained, it is ensured that the stable performance is still kept in the low-temperature environment, and the maintenance cost is reduced.

The invention provides a steam-gas mixed medium high-vacuum low-energy-consumption intelligent control system and a control method. Comprising a vapor phase precondenser, a vapor phase precondenser steam extraction opening pressure sensor, a vapor phase precondenser cooling water inlet control valve, a vapor phase precondenser cooling water inlet pressure sensor, a multi-channel efficient steam jet vacuum pump, a multi-channel efficient steam jet vacuum pump steam extraction opening pressure sensor and a multi-channel efficient steam jet vacuum pump injection steam inlet control valve. The system comprises a multi-channel efficient steam jet vacuum pump, a steam jet pressure sensor, a steam phase final cooler, a steam phase final cooler pressure sensor, a steam phase final cooler cooling water inlet control valve, a steam phase final cooler water inlet pressure sensor, a low-power-consumption auxiliary pump, a low-power-consumption auxiliary pump extraction opening control valve and a system controller. The system is designed according to the vacuum suction characteristic of a steam-gas mixed medium, the vacuum degree of the system can be remarkably improved, the energy consumption can be remarkably reduced, and therefore the heat energy utilization efficiency and the self-control capacity of a front-end system can be remarkably improved, the production efficiency is improved, the yield is increased, the efficiency is improved, and remarkable economic benefits are created.

The invention relates to the technical field of soil remediation, and discloses a soil remediation device and a soil remediation method.The key point of the technical scheme is that the soil remediation device comprises a remediation box body; the repairing platform is arranged in the repairing box body, a heating part used for generating heat is arranged at the bottom of the repairing platform, and the repairing platform conducts the heat; the feeding hole is formed in one side of the repairing box body and is connected with a feeding machine; the preheating box body is arranged in the repairing box body, and a plurality of crushing rollers are arranged in the preheating box body; the vibration frame body is arranged at the bottom of the preheating box body, and a plurality of release plates are arranged in the vibration frame body; according to the device, the problems of blockage and low efficiency when high-water-content or high-viscosity soil is treated in a traditional technology are solved by optimizing multiple functions of preheating, crushing, vibrating, releasing, paving and the like. The device is reasonable in structural design, efficient in treatment process and capable of being widely applied to pollution remediation of various complex soil environments.

The invention provides an integrated device integrating organic solid waste treatment, metal recovery and carbon material preparation and a use method of the integrated device, and belongs to the field of environmental science and engineering. The problems that the utilization rate of organic solid waste heat energy is low, the recovery rate of metal-containing waste materials is low, and the carbon yield and quality of carbon materials prepared from agriculture and forestry biomass waste are low are solved. The integrated device comprises a feeding system, a solid waste heat treatment system, a steam utilization system, a tail gas purification and recovery system, a biomass carbonization system and a metal pyrolysis and recovery system, the solid waste heat treatment system comprises a pyrolysis gasification chamber and a high-temperature cracking chamber, and the high-temperature cracking chamber is divided into a left chamber and a right chamber; the steam utilization system comprises a high-pressure steam chamber, a low-pressure steam chamber and a hot water chamber, and the tail gas purification and recovery system comprises a cyclone dust collector, a spraying denitrification and denitration chamber, a water bath purification chamber, an electrostatic dust collector and a gas collector. The method is mainly used for organic solid waste treatment, metal recovery and carbon material preparation.

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.

The utility model discloses an efficient heat energy recovery device, and relates to the technical field of heat energy recovery equipment, the efficient heat energy recovery device comprises a heat recovery box and a recovery mechanism, the recovery mechanism is arranged on the inner side of the heat recovery box, through the arrangement of an air inlet assembly, generated heat can be input into the device, so that the device is convenient to use, and through the arrangement of a collecting assembly, the device is convenient to use. Heat in hot gas can be stored for subsequent use, so that the utilization efficiency of energy is improved, the supply and demand relation of heat energy is further balanced, waste of heat energy is avoided, the economical efficiency of the system is improved, residual heat energy in waste heat can be further extracted and utilized through the arrangement of the secondary heat absorption assembly, the overall heat energy recovery efficiency is improved, and the energy consumption is reduced. The waste of heat energy can be reduced to the maximum extent, it is ensured that the heat energy is fully utilized, harmful substances in waste gas can be discharged out of the device after being treated through the arrangement of the filtering assembly, and therefore pollution of the waste gas to the natural environment is avoided.

The utility model belongs to the field of carbonization equipment, and particularly relates to a biomass carbonization kiln. Which comprises a combustion chamber, a carbonization furnace and an incinerator which are sequentially communicated through pipelines, and is characterized in that flue gas treatment equipment is arranged between the carbonization furnace and the incinerator, and the tail end of the carbonization furnace is communicated with the incinerator through an afterburning pipe. The afterburning pipe introduces heavy combustible flue gas generated by the tail of the carbonization furnace into the incinerator through the adjustable induced draft fan part, and a more sufficient heat value can be provided for the incinerator.

The utility model relates to a thermal power generation efficient peak regulation heat storage power generation system which comprises a boiler, a steam turbine, a condenser, a heater and a heat storage system. The ejector comprises a reducing pipe, a steam chamber and an increasing pipe, the reducing pipe is used for receiving extracted steam in the middle of the steam turbine, the steam chamber is used for mixing the extracted steam received by the reducing pipe and dead steam of the steam turbine, and the increasing pipe is used for increasing the pressure of the mixed steam; a cold water tank; a hot water tank. According to the efficient peak-shaving heat-storage power generation system for thermal power generation, through accurate adjustment of the back pressure adjusting device and the ejector, the heat energy utilization efficiency of dead steam is improved, heat originally lost at the cold end is reduced, the overall efficiency of the thermal power generation system is greatly improved through effective recovery and utilization of the heat, and the energy consumption of the thermal power generation system is reduced. And optimal configuration and efficient conversion of energy are realized.

The present invention discloses a ventilation device for a dust-free workshop, comprising a shell, an air duct for ventilation is provided in the middle of the shell, and protective nets are installed at both ends of the air duct; a fan is arranged on one side of the air duct and fixedly connected to the inner wall of the air duct; a constant temperature component is arranged in the shell and used to adjust the ventilation temperature. The present invention relates to the technical field of dust-free workshops. The ventilation device for a dust-free workshop can use the air in the dust-free workshop to cool down or heat up the air in the air duct when the ventilation device is ventilating, by means of a heat exchange component, so as to improve the thermal energy utilization efficiency of the air in the dust-free workshop, thereby reducing the constant temperature cost of the constant temperature component, thereby reducing the cost of maintaining a constant temperature during ventilation operation of the ventilation device.

The utility model discloses a horizontal steam generator which comprises a cylindrical shell, a heating tube bundle is arranged in the cylindrical shell, the heating tube bundle is divided into a fuel gas heating tube bundle and a water heating tube bundle, a fuel gas premixing cavity, a mixing cavity and a collecting cavity are sequentially communicated through the fuel gas heating tube bundle, and the water heating tube bundle is communicated with the fuel gas premixing cavity. The water heating tube bundle is used for sequentially communicating the water storage cavity, the mixing cavity and the collecting cavity; water and methane-rich gas are heated in a partitioned mode, high-temperature fluid firstly heats the water, and then the methane-rich gas is heated after the temperature of tail gas is reduced, so that the heat energy utilization efficiency of the high-temperature fluid is improved, meanwhile, on the premise that the heat exchange capacity is guaranteed, pressure drop loss can be effectively controlled, and the methane-rich gas heating carbon deposition phenomenon can be effectively prevented.

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.