1109results about "Storage heaters" patented technology

The embodiment of the invention provides a heat conduction oil heating temperature control system and method. The system comprises a first detection module, a temperature control module, a circulating pump, a waste heat recovery module, a plurality of segmented heat conduction oil pipelines, heating modules corresponding to the heat conduction oil pipelines and a second detection module. The first detection module sends the environment temperature to the temperature control module; the temperature control module calculates the initial heating power corresponding to each heat-conducting oil pipeline, contains the initial heating power in a heating instruction and sends the heating instruction to the corresponding heating module; the circulating pump drives the heat-conducting oil to each heat-conducting oil pipeline; the heating module heats the heat utilization equipment according to the initial heating power; the second detection module sends the heating temperature of the conduction oil pipeline corresponding to the current time period to the temperature control module; the waste heat recovery module calculates the waste heat utilization rate and sends to the temperature control module; and the temperature control module calculates to-be-adjusted heating power required by the next time period, contains the to-be-adjusted heating power in a heating instruction and sends the heating instruction to the corresponding heating module for subsequent heating temperature control, so that the heating temperature control precision of the heat-conducting oil is improved, and the energy consumption is reduced.

The utility model discloses a multifunctional reaction kettle for ivabradine production, and relates to the technical field of pharmaceutical machinery, the multifunctional reaction kettle comprises a support frame, a reaction kettle body, a pressure control mechanism, a stirring mechanism and a temperature control mechanism, the temperature control mechanism comprises a temperature sensor, an electric heating coil, a cooling pipeline and refrigeration equipment, and the inner wall of the reaction kettle body is provided with a liquid storage cavity; the temperature sensor, the electric heating coil and the cooling pipeline are all fixedly arranged in the liquid storage cavity, heat conduction oil is arranged in the liquid storage cavity, the cooling pipeline penetrates through the reaction kettle body to be communicated with the refrigeration equipment, and through cooperation of the temperature sensor, the electric heating coil, the cooling pipeline and the refrigeration equipment, accurate control over the temperature in the reaction kettle can be achieved. No matter whether the temperature needs to be increased, decreased or maintained at a constant temperature, quick response can be achieved, the set requirements can be met, and the special requirements of different chemical reactions on the temperature in the ivabradine production process are met.

The invention provides a method and system for utilizing flue gas generated after petroleum coke calcination, and belongs to the field of aluminum electrolysis and aluminum carbon. The method comprises the following steps: collecting high-temperature flue gas discharged after calcining petroleum coke; the high-temperature flue gas is subjected to heat exchange treatment, and low-temperature flue gas with the set temperature is obtained; low-temperature flue gas is used as a heat source, the wet-based petroleum coke is heated and dried, and dry-based petroleum coke with a set water value is obtained; and calcining the dry-based petroleum coke, and circularly using flue gas collected by calcining for heating and drying the wet-based petroleum coke to form a closed cycle. High-temperature flue gas obtained after calcination is subjected to heat exchange to form low-temperature flue gas, the low-temperature flue gas is used for drying wet-based petroleum coke, a flue gas circulation system is formed, and multi-stage utilization of waste heat is achieved. Meanwhile, the dried petroleum coke can reduce energy consumption required by water evaporation during calcination, and erosion of water vapor to a hearth refractory material is avoided. Therefore, the negative influence of petroleum coke moisture on the heat efficiency is reduced while the waste heat utilization rate after petroleum coke calcination is improved.

The invention is applicable to the technical field of crude oil heating, and provides skid-mounted equipment for heating crude oil at a well group site, the skid-mounted equipment comprises a base, a control box, a crude oil heat exchange tank and a heating tank, a heat exchange coil is arranged in the crude oil heat exchange tank, the heating tank is communicated with the heat exchange coil, fixing frames are fixed on two sides of the base, and two supporting rods are hinged in the fixing frames; rollers are installed at the bottoms of the supporting rods, sliding sleeves sleeve the supporting rods, a lead screw is rotationally installed on the fixing frame, push rods are hinged to the two ends of the lead screw through outer sleeves, and the ends, away from the outer sleeves, of the push rods are hinged to the sliding sleeves; a worm gear is fixed to the middle of the lead screw, and a worm meshed with the worm gear penetrates through the fixing frame. Accurate control and constant-temperature maintenance of the temperature of the crude oil are achieved, the high-condensation-point crude oil is effectively prevented from being solidified in the conveying and storage process, and the flowing smoothness of the crude oil is guaranteed. By accurately controlling the temperature of crude oil, accumulation of sediments at the bottom of the storage tank due to too low temperature is prevented, and the cleaning workload and downtime are reduced.

The invention discloses a solar-driven integrated direct air carbon capture system based on cyclic amine, which belongs to the technical field of carbon capture and comprises an absorption-desorption core unit, a solar energy supply unit and a resource circulation module. The absorption-desorption core unit comprises a double-layer spherical reactor and a condensing device, and cyclic amine composite absorption liquid is added into the double-layer spherical reactor; and the resource circulation module comprises a CO2 graded collection device and an agricultural facility. According to the invention, the reaction energy barrier is reduced, the desorption temperature is reduced, the energy consumption required by the reaction is reduced, a large amount of low-price desorption liquid amine solution is provided for the DAC technology, the application cost of the DAC technology is reduced, and the comprehensive utilization efficiency of alkaline raw materials in the amine method carbon capture technology is improved.

According to the rural air conditioning device, coal or biomass straw is adopted as fuel, the energy storage technology is combined, flue gas waste heat generated by a kitchen range device is efficiently recycled and stored, the stored energy is used for dragging an absorption type refrigerating device to be used for refrigerating and heating air, and an adopted regenerator can flexibly adjust the operation mode and is used for peak clipping and valley filling; the energy-saving kitchen range is used for refrigerating, heating or drying clothes, the power consumption is low, the comprehensive heat utilization efficiency of the kitchen range is greatly improved, the market application space is obvious, and the expected economic, social and environment-friendly benefits are remarkable.

The invention relates to a fused salt heat storage technology in a spinning process, in particular to a fused salt heat storage system based on electricity price adjustment and a control method.The fused salt heat storage system comprises a fused salt pipeline, a steam pipeline and a nylon pipeline, and the fused salt pipeline is provided with a fused salt storage tank, an electric heater, a first circulating pump, a heat exchanger and a second circulating pump; a third circulating pump is arranged on the steam pipeline; a screw extruder, a spinning machine and a steam sleeve are arranged on the nylon pipeline; the electric power demand in the peak period is remarkably reduced, the pressure of an electric power system in the peak period is relieved, the social benefit is remarkable, fused salt heat storage and heating are combined together, and the working efficiency is improved.

The invention provides a high-efficiency electric heating system suitable for a gas-solid fluidized bed, and the system comprises the fluidized bed which is provided with a gas inlet, a gas outlet, a material inlet and a material outlet, and is internally provided with solid particles; the heat transfer assembly comprises a plurality of hollow objects arranged in the fluidized bed, and part of the solid particles are contained in the plurality of hollow objects; wherein at least a first part of the hollow object is used for being connected with a power supply end, and a second part of the hollow object is not electrified; and the first part of the hollow object is a graphite electrifying body. Through the system provided by the invention, the loss of the coil is recovered, and the effective utilization rate of electromagnetic induction heating is greatly improved.

The invention belongs to the technical field of tunnel terrestrial heat utilization in alpine regions, and particularly discloses a terrestrial heat three-dimensional heat preservation and ice melting system suitable for a cable fire ditch and a drainage ditch of an alpine deeply-buried highway tunnel. The terrestrial heat three-dimensional heat preservation and ice melting system comprises a terrestrial heat taking subsystem, a terrestrial heat pipe heat preservation result, a heat exchange unit and a heat supply subsystem. The terrestrial heat taking subsystem is connected with the heat exchange unit through a transmission pipeline, the heat supply subsystem is connected with the heat exchange unit through the terrestrial heat pipe heat preservation subsystem, and the terrestrial heat taking subsystem is located in a terrestrial heat source area which is about two kilometers away from a tunnel entrance. The system transmits heat to the cable trench and the drainage ditch through circulating high-temperature fluid, so that the temperature of the regions is always kept above a freezing point, and water in the cable, the fire-fighting pipeline and the drainage ditch is prevented from being frozen. The system has the advantages of being efficient, energy-saving, clean, environment-friendly, convenient to construct and the like, and meets the anti-freezing requirements of tunnel cables, fire-fighting pipelines and drainage ditches in the high and cold environment.

An energy storage system converts variable renewable electricity (VRE) to continuous heat at over 1000° C. Intermittent electrical energy heats a solid medium. Heat from the solid medium is delivered continuously on demand. Heat delivery via flowing gas establishes a thermocline which maintains high outlet temperature throughout discharge. The delivered heat which may be used for processes including power generation and cogeneration. In one application, the energy storage system provides higher-temperature heat to a conventional lower-temperature heat source to boost the temperature of a thermal power cycle working fluid to a turbine, thereby increasing efficiency of the power cycle.

The utility model discloses a fuel gas heat conduction oil boiler, which relates to the technical field of oil boilers, and comprises a base, the upper side of the base is fixedly connected with a water suction pump, the input end of the water suction pump is fixedly connected with a water suction pipe, the output end of the water suction pump is fixedly connected with a plurality of supporting legs, and the upper side of the base is fixedly connected with a water inlet pipe. A boiler body is fixedly connected to the upper ends of the supporting legs, an air outlet valve is fixedly connected to the upper side of the outer wall of the boiler body, and a safety valve is fixedly connected to the upper side of the outer wall of the boiler body. Through the mutual cooperation of a filtering adsorption plate, a sliding groove, a push block, a sliding block, a limiting rod, a first spring, a first connecting plate and a U-shaped inserting plate, the filtering adsorption plate can be detached and replaced, the filtering effect of the device is improved, the emission of harmful substances in waste gas can be effectively reduced, the health of surrounding residents and workers can be protected, and the practicability is high. And respiratory system diseases or other health problems caused by inhalation of harmful gas are avoided.

The utility model discloses a conduction oil boiler which comprises a heat exchange assembly and a heating assembly, the heat exchange assembly comprises a first oil supply pipe, a second oil supply pipe, a first heat exchanger and a second heat exchanger, the first oil supply pipe is connected with the first heat exchanger, and the second oil supply pipe is connected with the second heat exchanger. The heating assembly comprises a combustor and a waste gas pipe, the combustor generates heat through combustion and is connected with the first heat exchanger, and the waste gas pipe leads out waste gas generated by the combustor and is connected with the second heat exchanger. Heat generated by the combustor is transferred to heat conduction oil in the first oil supply pipe through the first heat exchanger, heat of smoke in the waste gas pipe is transferred to heat conduction oil in the second oil supply pipe through the second heat exchanger, and therefore the heat generated by combustion of the combustor can be fully absorbed. The heat-conducting oil boiler provided by the utility model can be used for effectively absorbing heat entrained in flue gas, so that the waste of energy is avoided.

The invention discloses a high-temperature stable gas heat conduction temperature control method and system, and relates to the technical field of temperature control. The system comprises a high-temperature inert gas loop, a gas circulation driving module, a gas heating module, a gas heat exchange module, a gas cooling module, a gas purification and supplement module and a precise temperature sensing and control module. The high-temperature inert gas loop is configured as a closed circulation path and is used for bearing high-purity inert gas as a heat carrier; and the gas circulation driving module is arranged in the high-temperature inert gas loop and is used for driving the high-purity inert gas to continuously and circularly flow in the closed circulation path. By adopting high-purity inert gas as a heat-conducting medium and combining precise circulation driving, multi-stage heating, efficient heat exchange, active cooling, online purification and intelligent control technologies, the problems that an existing liquid heat-conducting medium is unstable in phase change at a high temperature, a metal eutectic medium is poor in safety, and a composite system is high in complexity are solved.

The invention discloses a high-voltage direct-feed electric heating device, relates to the field of electric heating, solves the problem that an existing heat storage structure is poor in stability, and adopts the following scheme that the high-voltage direct-feed electric heating device comprises a heat exchange structure, a heating structure on the outer side of the heat exchange structure and a heating module serving as a main body of the heat exchange structure; an electric heater is arranged at the input end of the electric heating wire, and the heating module is a special magnesium oxide module; according to the high-voltage direct-input electric heating device, the heating module is made of a magnesium oxide material, the heat storage function is achieved, when valley electricity exists, heat is stored in the magnesium oxide module, meanwhile, the heat is taken out through circulation of a high-temperature-resistant circulating fan, heating is conducted through a heat exchange structure and a medium, and storage and discharging are achieved at the same time; when valley electricity does not exist, heating is stopped, heat is taken out through fan circulation and heated through a heat exchanger and a medium, heat release is achieved, if the valley electricity does not exist and heat needs to be increased when load changes, a direct heating mode can be started, and the requirement for continuity and stability is met.

The invention discloses a liquefied natural gas factory heat-conducting oil furnace tail gas safety treatment device which comprises a cooling assembly, a cyclone dust collector and a purification tower, the cyclone dust collector is sleeved with a cooling sleeve, and the cooling assembly is connected with the cyclone dust collector through a first conveying pipe; the cyclone dust collector is connected with the purification tower through a second conveying pipe, the cooling assembly comprises a tank body, a heat exchange coil pipe is arranged in the tank body, the heat exchange coil pipe comprises an outer pipe body and an inner pipe body, the inner pipe body is sleeved with the outer pipe body, and an interlayer flow channel is formed between the inner pipe body and the outer pipe body. According to the technical key points, tail gas is cooled through the cooling assembly and heat is recycled, most of dust particle impurities in the tail gas are removed through the cyclone dust collector, the tail gas is secondarily cooled through the cooling sleeve and heat is recycled, the dedusted gas enters the purification tower, harmful substances are removed, and the dedusted gas is cooled again. And the purified tail gas reaches the standard at low temperature and is discharged.

The present invention provides a molten salt storage tank and a molten salt electro-thermal long-duration energy storage device. This device can directly replace existing coal-fired and gas-fired industrial steam boilers, thereby promoting centralized gas supply and heating through molten salt heat storage in industrial parks; it can also directly provide centralized heating for residential areas. At the same time, when the molten salt electro-thermal long-duration energy storage device of the present invention is combined with a supercritical carbon dioxide power generation unit, a new type of efficient "electricity-thermal-electricity" technical mode is generated, which can replace existing pumped-storage power stations and chemical energy storage stations and become a large-capacity long-duration energy storage technology. The present invention has the advantages of compact structure, simple system, low heat storage cost, high heat release efficiency, small system heat loss, high electro-thermal and thermoelectric conversion efficiencies, can achieve modular, standardized, batch, and factory production, has safety, economy, and flexibility, and also has the characteristics of strong regulation ability, short construction period, low site selection requirements, and flexible construction scale.

The invention discloses an independent unit structure of a high-voltage solid heat accumulator and a thermodynamic cycle system of the independent unit structure. An independent unit is composed of the solid heat accumulator, an electric heating body, a series connection conductive band, a parallel connection conductive band, an insulation foundation, a porcelain insulator, an equipment foundation, an upper heat preservation layer, a connection electrode, a null line electrode and an outer sleeve. Insulation porcelain bottles are uniformly arranged on an equipment foundation in an array mode, an insulation foundation is arranged on the upper portions of the insulation porcelain bottles, a solid heat accumulator is installed on the insulation foundation, and an upper heat preservation layer is arranged on the top of the solid heat accumulator. The two ends of the plurality of electric heating bodies are connected with the parallel conductive bands arranged on the vertical surfaces of the solid heat accumulator to form a parallel group, and the parallel group is connected with the series conductive bands arranged on the two corresponding vertical surfaces of the solid heat accumulator; according to an independent unit structure, the electric heating bodies form an angle connection form or a star connection form through a series connection conductive band and a parallel connection conductive band, and the connecting electrodes are externally connected to an A-phase power supply, a B-phase power supply and a C-phase power supply of the power supply switch through an external sleeve.

The embodiment of the utility model provides a phase-change water heater. The phase-change water heater comprises a phase-change inner container, a water inlet pipe and a water outlet pipe, the heating assembly comprises a first cast aluminum heater, a second cast aluminum heater and a water pump, the first cast aluminum heater is communicated with the water inlet of the phase change inner container, the second cast aluminum heater is communicated with the water outlet of the phase change inner container, and the water pump is communicated with the first cast aluminum heater; the water receiving pipe is communicated with the water pump and used for being communicated with an external water source; the thermostatic valve is provided with a first water inlet valve port, a second water inlet valve port and a water outlet valve port, the first water inlet valve port is communicated with the water receiving pipe, and the second water inlet valve port is communicated with the water outlet of the second cast aluminum heater; the blow-off pipe is communicated with the water outlet valve port; one side of the support is provided with the phase change inner container, and the other side of the support is provided with the heating assembly and the thermostatic valve. According to the arrangement, the length of the pipeline between the devices is shortened, so that the water resistance of the pipeline is effectively reduced.

The invention provides a temperature control system and method for a low-flash-point heat-conducting medium. The temperature control system comprises a medium circulation subsystem, a heating subsystem and a cooling subsystem. The medium circulating system stores a low-flash-point medium through a first expansion tank, and the medium is driven by a main circulating pump to flow through a heat exchanger and an evaporator; the heating system stores a high-temperature heat-conducting medium through a second expansion tank, the high-temperature heat-conducting medium is heated through an electric heating pipe, and then the flow is controlled through a main adjusting valve and a bypass adjusting valve to enter a heat exchanger to indirectly exchange heat with a low-flash-point medium. The refrigerating system is connected with the evaporator to provide cooling capacity. The temperature control method comprises the following steps: preheating a high-temperature medium to 80-85% of a target temperature, and starting a main circulating pump after the high-temperature medium is stabilized; the valve and the electric heating tube are synchronously adjusted, and the opening degree of the main valve is kept to be 40-60%; the accurate temperature control stage adopts a three-section strategy: the current situation is maintained within + / -1 DEG C, only the valve is adjusted at + / -1-5 DEG C, and the valve and the electric heating tube are cooperatively adjusted when the temperature exceeds + / -5 DEG C. According to the invention, through medium isolation and hierarchical control, the safety is ensured, and accurate temperature control is realized.

An energy storage system converts variable renewable electricity (VRE) to continuous heat at over 1000° C. Intermittent electrical energy heats a solid medium. Heat from the solid medium is delivered continuously on demand. Heat delivery via flowing gas establishes a thermocline which maintains high outlet temperature throughout discharge. The delivered heat which may be used for processes including power generation and cogeneration. In one application, the energy storage system provides higher-temperature heat to a conventional lower-temperature heat source to boost the temperature of a thermal power cycle working fluid to a turbine, thereby increasing efficiency of the power cycle.

The present invention provides a pipeline heat exchange unit and a heat exchanger. The heat exchange unit includes an intake pipe, which is connected to a vortex tube nozzle. The vortex tube nozzle is connected to a vortex chamber. The vortex chamber is connected to a hot flow pipe and a cold flow pipe. The hot flow pipe is connected to a total outlet through a hot flow outlet, and a regulating valve is installed in the hot flow outlet. The cold flow pipe is connected to a heat exchange pipe, and the heat exchange pipe exchanges heat with the atmosphere and then is connected to the total outlet for discharge. The heat exchanger includes a plurality of the above-mentioned pipeline heat exchange units. One ends of a plurality of intake pipes are all connected to the same intake chamber, and the other ends are respectively connected to the vortex tube nozzles. A total intake port is provided in the intake chamber. A plurality of hot flow outlets and a plurality of heat exchange pipes are all connected to the same outlet chamber, and a total outlet is provided on the outlet chamber. The heat exchange unit and the heat exchanger realize the function of heating the gas in the pipeline through pipeline layout and by using the vortex effect and atmospheric heat conduction for heating. The heat exchanger has a reasonable structural design, can operate without consuming external energy, and is energy-saving and environment-friendly.

The invention discloses a waste heat CO2 energy storage system and method considering an electricity price season difference. The system comprises a continuous waste heat supply and heat storage module, a CO2 liquid-liquid compression energy storage module, a CO2 energy release power generation module, a refrigeration and circulation module and an intelligent control module. The method comprises the following steps of receiving 15 types of parameters acquired by a data acquisition unit through a control core unit, identifying a current season type through a season identification module, outputting a corresponding season identifier, and matching a corresponding electricity price according to a current time period type; and the control core unit calls corresponding logic from a corresponding season strategy library according to the season identifier, the current time period type and the real-time electricity price, and controls corresponding component equipment to operate through the execution interface unit. Through collaborative design of electricity price linkage scheduling, delay compensation, capacity balance and station service power optimization, the problems of low income, slow response, frequent start and stop and the like of an existing system are effectively solved.

The utility model discloses a heat energy converter with a self-cleaning function, which comprises a heat energy converter main body which is provided with a heat exchange pipe fitting through a heat exchange chamber inside the heat energy converter main body, a pure water storage and heating cavity for heating pure water to generate hot steam to heat a heat exchange pipe fitting is formed in the bottom end in the heat exchange chamber through a sealing partition plate, through cooperation of a micro pump body, a three-way valve and a cleaning filter, the pure water in the pure water storage and heating cavity can be conveniently and periodically filtered in a circulating mode, scale impurities are effectively removed, and the service life of the heat exchange pipe fitting is prolonged. The water scale is prevented from being accumulated and condensed in the cavity and on the heat exchange pipe fitting, and the problem that the water scale is condensed on the inner wall of the combustion heating chamber and the surface of the heating rod is solved, so that the service life of the heat energy converter is prolonged, and the maintenance cost is reduced.

The utility model discloses a composite high-voltage solid heat storage electric boiler, and relates to the field of electric boilers. A composite type high-voltage solid heat storage electric boiler comprises a boiler cabinet and further comprises an installation cavity, a heat storage cavity, a heat storage cavity and a heat storage cavity, the bearing plates are fixedly connected to the inner wall of the mounting cavity at equal intervals; the solid heat storage bricks are placed on the bearing plate; the connecting rod is connected into the mounting cavity in a sliding mode, and a plurality of fixing blocks used in cooperation with the bearing plate are fixedly connected to the connecting rod at equal intervals; according to the utility model, through the cooperation of the pressurizing pipe, the piston disc, the connecting rod and the fixing block, the solid heat storage brick can be preliminarily fixed, and the heat conduction rod conducts heat in the mounting cavity to the sleeve, so that gas in the sleeve is heated and expanded to increase air pressure, and the clamping force of the fixing block on the solid heat storage brick is further increased; the fixing stability of the solid heat storage brick in the working process is effectively improved, looseness caused by factors such as vibration is reduced, and stable operation of equipment is guaranteed.

The utility model discloses photovoltaic direct-drive type heat storage heating equipment, and relates to the technical field of heating devices. The utility model provides photovoltaic direct-drive type heat storage and heating equipment which comprises a shell, a heat storage device and a heat supply device. The heating piece is arranged in the containing cavity, and a heat storage piece is arranged on the periphery of the heating piece; wherein a first air layer is arranged between the heat storage part and the top wall of the shell, and a second air layer communicated with the first air layer is arranged between the heat storage part and the bottom wall of the shell; the top wall of the shell is provided with an air outlet communicated with the first air layer, and the bottom wall of the shell is provided with an air inlet communicated with the second air layer; and the size of the air outlet is adjustable, so that heat generated by the heating piece can be selectively led out from the air outlet or heat the heat storage piece.

The utility model relates to the technical field of workshop temperature control, in particular to a heating fan and a temperature control workshop, the heating fan comprises a pipe body, an air supply device and a heating device which are coaxially arranged, the air supply device and the heating device are contained in the pipe body, and the heating device is arranged at the air outlet end of the air supply device; the heating device comprises a heating pipe, the heating pipe is connected to the side wall of the pipe body in the radial direction of the pipe body and arranged in an air outlet area of the air supply device in a coiled mode, a heating medium and an electric heating wire are arranged in the heating pipe, and the two ends of the electric heating wire are connected with wiring ends at the two ends of the heating pipe respectively. According to the heating fan, heat is generated by adopting an electric heating oil mode and is transferred through the fan, in the process, heat loss is small, the heat efficiency is high, meanwhile, operation is easy and reliable, and the heating fan can also be suitable for multi-purpose application scenes.

The invention discloses an induction heating molten salt energy storage system with controllable distribution of large-plane plate-level eddy current, which comprises a salt storage tank, one end of the salt storage tank is connected with a heating device, and the other end of the salt storage tank is connected with a thermoelectric conversion device. The invention further discloses a design method of the induction heating molten salt energy storage system with the large-plane plate-level eddy current controllable distribution. The design method comprises the steps of designing the total heating power Ptotal, designing the total eddy current power Peddy of the metal heating plate and designing the molten salt flow Qv in unit time. The problems that the vortex area is small, distribution is uncontrollable, the molten salt heating temperature is uneven, and the heating efficiency is low are solved.

The utility model discloses a constant-temperature reaction kettle for producing and processing solid fuel, which comprises a kettle body, a limiting ring is arranged on the outer wall of the kettle body, a conveying pipe I is clamped on the outer side of the limiting ring, the conveying pipe is arranged around the kettle body, a water inlet valve and a water outlet valve are respectively arranged at the end parts of the conveying pipe, and a kettle cover is arranged at the top of the kettle body. And connecting plates are uniformly arranged on the surface of the kettle cover. According to the reaction kettle disclosed by the utility model, the first conveying pipes, the hollow cavity and the kettle body are arranged, the first conveying pipes are uniformly arranged on the outer side of the kettle body and are communicated with the first conveying pipes through the communicating pipes arranged in the connecting notches in a penetrating manner, so that liquid conveyed by the first conveying pipes can be integrally communicated with the hollow cavity, and liquid in the hollow cavity can be discharged outwards through the first conveying pipes; the heating block in the hollow cavity works to heat liquid such as heat conduction oil in the hollow cavity and then continuously heat materials in the kettle body on the inner side, and according to the requirement of the heating process, the liquid can be added into the hollow cavity through adjustment of the water inlet valve, so that the overall heating temperature is reduced.

The invention relates to the technical field of water heaters, in particular to a water heater energy storage control method, a controller and a water heater, and the energy storage control method comprises the steps that in at least part of the process of storing energy for a phase change material, a heating device is controlled to work at a first preset return difference, and a second preset return difference is controlled to work at a second preset return difference; and then the heating device is controlled to work at a second preset return difference, the second preset return difference is smaller than the first preset return difference, and the preset return difference is the difference value between the stopping temperature when the heating device stops working and the starting temperature when the heating device starts working. By controlling the heating device to work intermittently at different temperature return differences, the local overheating phenomenon caused by heating of the phase change material in the inner container can be reduced, and / or the energy storage time can be shortened.

The invention belongs to the technical field of harmless treatment of animals died of illness, and discloses a harmless treatment system and method for animals died of illness, the system comprises a crushing unit, a first hydro-thermal treatment unit, a grease separation unit and a second hydro-thermal treatment unit, the crushing unit is connected with the first hydro-thermal treatment unit through a conveyor; an outlet of the first hydrothermal treatment unit is divided into two paths, one path is connected with the grease separation unit, and the other path is connected with the material storage tank; one outlet of the grease separation unit is connected with an oil pump, the other outlet of the grease separation unit is sequentially connected with a material storage tank, a booster pump, a preheater, a heater and a reactor, an outlet of the reactor is connected with a pipe side inlet of the preheater, and the reactor is connected with the bio-oil separation unit through a step-down transformer. The aqueous-phase product can also be used for preparing a liquid fertilizer, and resource utilization of the aqueous-phase product is realized while zero emission of wastewater and waste residues is realized.