14795 results about "Thermal water" patented technology

Vehicle heat pump system comprising a compressor for discharging a refrigerant; an indoor heat exchanger in an air-conditioning case, allowing heat exchange between air and the refrigerant; a water-cooled condenser downstream of the indoor heat exchanger in the flow direction of the refrigerant, exchanging heat with first cooling water; an outdoor heat exchanger downstream of the water-cooled condenser, allowing heat exchange between the refrigerant and outdoor air; an evaporator in the air-conditioning case, allowing heat exchange between the refrigerant and the air to cool the indoor space, and a chiller downstream of the outdoor heat exchanger exchanging heat with second cooling water. An outdoor unit bypass line allowing refrigerant to pass through the water-cooled condenser and bypass the outdoor heat exchanger, which branches off between the water-cooled condenser and the outdoor heat exchanger and is connected to the upstream side of the chiller in the flow direction of the refrigerant.

The invention provides a solar interface evaporator based on amphoteric polyelectrolyte photo-thermal hydrogel, a preparation method and application, and belongs to the field of solar interface evaporation. The solar interface evaporator with a three-dimensional multi-surface evaporation structure is prepared by combining the polyelectrolyte resisting effect of the amphoteric polyelectrolyte photo-thermal hydrogel and the porous capillary effect of the sponge, and has the characteristics of high light absorptivity, good water absorption effect, excellent antibacterial property, mechanical property, salt resistance, evaporation property and the like; particularly, compared with a traditional hydrogel-based solar interface evaporator, the water delivery capacity and the salt resistance in high-concentration saline water are greatly improved through the application of the autonomously designed zwitterionic hydrogel, water molecules in the saline water are activated through the cooperation of salt-resistant ionized water, the evaporation enthalpy is reduced, and the evaporation efficiency is improved. And a great positive effect is achieved on improvement of the evaporation rate. The evaporator is easy to prepare and excellent in multi-dimensional performance, and a new way and thought are provided for application to seawater desalination and wastewater treatment.

The invention provides a cross-seasonal heat storage coupling solar ground source heat pump combined heating system. The cross-seasonal heat storage coupling solar ground source heat pump combined heating system mainly comprises a solar heat collector, a valve, a heat storage water tank, a heating tail end, a buried phase change heat storage water tank, a buried pipe and a heat pump. Solar radiation heat in non-heating seasons is collected and stored through cross-seasonal heat storage, and the stored heat is extracted in the heating period in winter and is used for heating a building together with a solar ground source heat pump combined heating system. The system has the beneficial effects that the system efficiency is improved, and the use of thermal insulation materials is reduced, so that the cost is reduced; the buried pipe absorbs and inhibits heat diffusion of the heat storage water tank, heat balance of a soil temperature field around the buried phase change heat storage water tank is guaranteed, and efficient operation of a heat pump unit is maintained. The invention has six control methods: solar energy-soil heat storage, solar energy direct heating, solar energy coupling buried phase change heat storage water tank heating, buried phase change heat storage water tank direct heating, solar energy ground source heat pump combined heating and ground source heat pump independent heating.

The invention discloses a heat-pump water heater temperature control method based on artificial intelligence, relates to the technical field of heat-pump water heater temperature control, and aims to solve the problem that the COP (coefficient of performance) is reduced due to a low-temperature environment, the exhaust temperature of a compressor and the opening degree of an expansion valve are optimized in real time through a GA (genetic algorithm), and operating parameters of a heat-pump water heater are dynamically adjusted by taking COP maximization as a target; the operation frequency of a compressor and the flow of a water pump are dynamically adjusted through fuzzy control logic in combination with a GA optimization result, the current water temperature and the temperature set by a user, the stability of the water supply temperature is guaranteed, an optimal control strategy is calculated through defuzzification, and the adaptability under different environment conditions is improved; an ANN is adopted to learn and predict a user behavior pattern, an LSTM network is utilized to analyze time sequences of historical water consumption data, target temperature and environment temperature, future water consumption peak and temperature requirements are predicted, a preheating function is started in advance, and insufficient hot water supply in the water consumption peak is avoided.

The invention discloses quality inspection equipment for automobile thermostat production, and belongs to the technical field of automobile part quality inspection, the quality inspection equipment comprises a rotary detection table and a center column rotatably arranged at the center of the interior of the rotary detection table, and the side wall of the rotary detection table is rotatably provided with a mounting sliding rail playing a supporting role. The top end of the rotary detection table is provided with circumferentially distributed detection grooves, the top end of the rotary detection table is provided with indicating lamps at the detection grooves, and the inner walls of the detection grooves are fixedly connected with mounting rings. By arranging the rotary detection table, the detection mechanism and the water circulation mechanism, the detection mechanism is matched with the water circulation mechanism, the principle of variable control is utilized, interference of other factors is eliminated, hot water is injected into the detection groove in batches, and whether various indexes of the thermostat are qualified or not is judged by monitoring whether the opening and closing distance of a main valve is qualified or not; therefore, the fault reason of the thermostat can be accurately determined, and an indication effect is achieved for factory return overhaul and process improvement of subsequent defective thermostats.

The invention belongs to the field of charging pile energy recovery, and particularly relates to a charging pile system based on an immersed liquid cooling technology and waste heat recovery. A power distribution unit is arranged on the inner side wall of a shell, a liquid cooling box is arranged in the shell, the liquid cooling box is filled with cooling liquid, and a charging module is arranged in the liquid cooling box; the charging module is completely immersed in cooling liquid in the liquid cooling box, two heat exchange assemblies are arranged on one side of the liquid cooling box and located in the shell, a water storage assembly is arranged on one side of the shell, and the liquid cooling box and the two heat exchange assemblies communicate with each other and form circulating heat exchange on the cooling liquid in the liquid cooling box. The two heat exchange assemblies and the water storage assembly communicate with each other, and circulating heat exchange of water in the heat preservation water tank is formed. Through the arrangement of the cooling liquid purity detection module and other assemblies, real-time purity detection can be conducted on cooling liquid flowing back into the liquid cooling box, and when the first plate heat exchanger breaks down, the second plate heat exchanger is switched to guarantee hot water supply.

The utility model provides hydrogen-rich water production equipment which comprises a purification module, a water storage module, a water supply module and a water supply module, wherein a water inlet of the purification module is used for communicating with a water supply device; a water inlet of the hydrogen-rich module is communicated with a water outlet of the purification module; a water inlet of the hydrogen mixing module is communicated with a water outlet of the purification module, and a gas inlet of the hydrogen mixing module is communicated with a hydrogen outlet of the hydrogen-rich module; the control device is communicated with the purification module, the hydrogen enrichment module and the hydrogen mixing module; the water boiling device is used for being communicated with the water outlet of the hydrogen mixing module under the control of the control device, and the water boiling device is used for heating the hydrogen-rich water output by the hydrogen mixing module; the hydrogen and oxygen absorption device is provided with a hydrogen absorption port and an oxygen absorption port, the hydrogen absorption port is used for being communicated with the hydrogen outlet of the hydrogen enrichment module under the control of the control device, and the oxygen absorption port is used for being communicated with the oxygen outlet of the hydrogen enrichment module under the control of the control device. The hydrogen-rich water supply function, the hot water supply function, the hydrogen absorption function and the oxygen absorption function are integrated.

A spa shell for a spa includes a water holding compartment operative as a cold tub. The water holding compartment includes a floor wall, an equipment sidewall, and a floor connecting wall connecting the floor wall with the equipment sidewall. A non-slip laminate of thermally insulative material disposed on an exterior surface of each of the equipment sidewall and the floor connecting wall. A top deck wall extends from the water holding compartment toward an end of the spa shell. A non-slip laminate of thermally insulative material is disposed on an exterior surface of the top deck wall. The non-slip laminates of thermal insulative material thermally isolates the exterior surface of each of the equipment sidewall, the floor connecting wall, and the top deck wall. In some embodiments the spa shell further includes a second water holding compartment that is operative as a hot tub.

An on-demand water heater (12) includes a heat exchanger (25). Water is supplied to the water heater from a water source such as a well pump (16) or other source of water. The water supplied to the water heater is treated by at least one water conditioner 18. A plurality of electrical heating elements (26, 28, 30, 32) are supplied with electrical power from rechargeable battery pack (46). At least one circuit (48) is operative to control the delivery electrical power from the battery pack to the heating elements to provide for the delivery of heated water at a set temperature from the water heater. The battery pack of the water heater is recharged from an available supply of house current electrical power. The rechargeable battery pack of the exemplary water heater also provides an auxiliary source of electrical power for other devices in circumstances when electrical power from a usual supply source becomes unavailable.

The invention discloses heat pump equipment and a hot water heating system, and belongs to the technical field of household appliances. The heat pump equipment comprises a box body, a heat pump assembly, a fan assembly, a pipeline assembly and an electric control box, the heat pump assembly comprises a compressor, a first heat exchanger, a second heat exchanger and a refrigerant pipeline, an inner cavity of the box body is divided into an air inlet cavity and an air outlet cavity through the first heat exchanger, and the compressor, the second heat exchanger, the pipeline assembly and the electric control box are arranged in the air inlet cavity; the fan is arranged in the air outlet cavity, the refrigerant flow path, the compressor and the first heat exchanger are connected through a refrigerant pipeline to form a refrigerant circulation loop, and the second heat exchanger is connected with the water pump, the water inlet pipe and the water outlet pipe through a water flow pipeline to form a water supply pipeline. In addition, the pipeline assembly is arranged on the front side of the refrigerant pipeline, maintenance is more convenient, and the working efficiency is effectively improved.

The invention relates to the technical field of energy conservation, environmental protection and building energy management, and discloses a low-carbon high-speed service area system integrating waste heat recovery, photovoltaic power generation and intelligent energy storage, which comprises a waste heat recovery module, a photovoltaic power generation module, an energy storage module, an intelligent control module and a carbon emission reduction statistics and feedback module, all the modules work cooperatively to form an integrated energy-saving and carbon-reducing system, when the low-carbon high-speed service area system integrating waste heat recovery, photovoltaic power generation and intelligent energy storage is used, a stable heat source can be provided for domestic hot water through the waste heat recovery module, power self-supply of a service area is achieved through the photovoltaic power generation module, and energy conservation and emission reduction are achieved. The energy storage module stabilizes power supply during power generation fluctuation, the intelligent control module guarantees efficient cooperative work of all the modules, the autonomous learning module automatically distributes heat storage and power storage resources according to historical data and demand prediction, and the system stably operates under peak or fluctuation conditions. And the carbon emission reduction statistical module provides data support for low-carbon benefits of the system.

The invention belongs to the technical field of waste heat recovery and discloses an energy recovery and heat supply system and method based on thermoelectric conversion, and the method comprises the steps that an energy recovery unit collects heat of an industrial waste heat source, and a circulating pump drives a heat transfer medium to circulate in a pipeline; a stable temperature difference is formed at the two ends of the thermoelectric module, and thermoelectric conversion is carried out; the electric energy management unit rectifies and stabilizes the electric energy output by the thermoelectric module; a part of the electric energy after voltage stabilization is stored in a storage battery pack; the electric heating boiler is driven by electric energy to work; the heated hot water is conveyed to an area needing heat supply; and the monitoring module is controlled to operate to perform operation processing according to a preset algorithm and heat supply requirements. The energy recovery and utilization efficiency is high, waste heat resources which are wasted originally can be effectively recovered and converted into electric energy and heat energy to be used, an electric energy storage device, an auxiliary heating device and a monitoring system are arranged, and heat supply stability and continuity can be guaranteed under various working conditions.

The invention provides a constant-heating defrosting system of a heat recovery air conditioner and a defrosting control method and device. According to the system, a compressor, a first electromagnetic valve, a water tank, a first expansion valve, a first one-way valve, a second electromagnetic valve, an outdoor heat exchanger and a four-way valve are connected to form a first heating loop; a compressor, a first electromagnetic valve, a water tank, a first expansion valve, a first one-way valve, a third electromagnetic valve, an energy storage water tank, a fourth electromagnetic valve and a four-way valve are connected to form a first defrosting loop. A compressor, a fifth electromagnetic valve, a second one-way valve, an outdoor heat exchanger and a four-way valve are connected to form a second defrosting loop; and the first heating loop, the first defrosting loop and the second defrosting loop form a single heating water defrosting loop. The problem that in the prior art, in the defrosting process, the comfort experience of a user is affected due to the fact that an air conditioner does not conduct heating is solved.

Examples of the present disclosure relate to systems and methods for providing hot water for a hot water heater and heating capacity for a climate control system by utilizing a Stirling heat pump system. The Stirling heat pump may be partially integrated into an indoor unit of the climate control system and a hot water heater. An additional indoor heat exchanger may receive heating fluid from the Stirling heat pump system to provide heating capacity in addition to another indoor heat exchanger of the climate control system. Further, the heating fluid circuit of the Stirling heat pump system may be partially integrated into a hot water tank for heating water. A controller may direct the flow of heating fluid from the Stirling heat pump to the hot water tank and / or the climate control system based on a request for heating.

The utility model relates to the field of energy recovery, in particular to a waste energy recovery device for biogas power generation in a waste incineration power generation project. The utility model provides a waste energy recovery device for biogas power generation of a waste incineration power generation project, which can be used for recovering waste heat in waste gas generated by waste incineration power generation and biogas power generation and improving the energy utilization efficiency. A waste energy recovery device for biogas power generation in a waste incineration power generation project comprises a first connecting pipe, a first connecting hollow pipe and the like, and the rear side of the first connecting pipe is connected with the first connecting hollow pipe. After waste gas flows into the connecting heat conduction pipe, water in the first water tank is heated, hot water can be discharged for use through the water discharging pipe, and water vapor generated in the water heating process can flow into the steam generator from the steam pipe to generate electricity. The effects that waste heat in waste gas generated by waste incineration power generation and biogas power generation can be recycled, and the energy utilization efficiency is improved are achieved.

The invention discloses a geothermal hot spring pool thermovolt power generation and water temperature regulation and control combined system which comprises a hot spring pool and a thermovolt power generation device. A thermal insulation wall is arranged in the hot spring pool, the hot spring pool is divided into a hot spring power generation battery and a hot spring recuperating pool through the thermal insulation wall, and the thermovolt power generation device is arranged in the hot spring power generation battery; a geothermal water inlet is formed in the hot spring generating battery, and high-temperature geothermal water enters the hot spring generating battery through the geothermal water inlet; a temperature control valve system is arranged in the hot spring recuperation pool and used for controlling the temperature of hot water entering the hot spring recuperation pool. The pulsating heat pipe and the thermovolt power generation technology are creatively integrated, natural hot spring heat energy is fully utilized, temperature difference energy between hot spring water and cold water is utilized to the maximum extent before the temperature is reduced to the comfortable temperature of a human body, and the pulsating heat pipe is utilized to effectively increase the heat exchange area and heat extraction capacity; meanwhile, the thermovolt power generation chip is adopted to directly convert hot spring heat energy into electric energy, and the dual functions of hot spring water temperature adjustment and geothermal power generation utilization are achieved.

The invention discloses a steam waste heat recovery and cyclic utilization device for a periodic blowdown flash tank, and relates to the technical field of heat recovery, the steam waste heat recovery and cyclic utilization device comprises a tank body, the tank body is internally provided with a steam absorption assembly and a heat exchange assembly used for absorbing heat of high-temperature waste hot water and secondary steam; the heat exchange assembly comprises a mounting box, a plurality of horizontally-arranged heat exchange pipes are rotationally arranged in the mounting box, a plurality of buffer plate sets corresponding to the heat exchange pipes are arranged in the mounting box, and belt transmission mechanisms are arranged among the heat exchange pipes. According to the heat exchanger, the rotatable heat exchange pipes are arranged, scale removing scraping strips on the first flow guide plate are matched to automatically remove scale generated in the heat exchange process, and the problem that the heat exchange efficiency is reduced due to scale accumulation is effectively solved; and soft water formed after the bottom surface of the heat exchange pipe and secondary steam are subjected to heat exchange and condensation is collected into the liquid collecting tank, so that secondary utilization of water resources is realized.

The invention provides a multifunctional heating ventilation air conditioner waste heat utilization method and system, and the method comprises the following steps: 1, obtaining multi-source data of an air conditioner system and an external heat source, carrying out the preprocessing, carrying out the grading collection and preliminary integration of the multi-source waste heat, and dividing the multi-source waste heat into high-temperature waste heat, medium-temperature waste heat and low-temperature waste heat; multi-source data of an air conditioning system and an external heat source are collected, condensation heat of a compressor, industrial waste heat and other multiple types of waste heat are integrated and subjected to staged treatment, and a high-temperature power generation-medium-temperature heat supply-low-temperature heat storage gradient utilization system is constructed; an LSTM neural network thermal load prediction model and an intelligent algorithm are combined to dynamically adjust a waste heat distribution path so as to realize self-adaptive switching of a refrigeration mode, a heating mode and a hot water mode, and meanwhile, a cascade system, photovoltaic energy, geothermal energy and the like are coupled through a direct-current micro-grid to construct a hybrid energy supply system. The problems that in the prior art, waste heat sources are single, energy efficiency is low due to the fact that gradient utilization is lacked, dynamic regulation and control are insufficient, and cooperation with renewable energy sources is not achieved are sequentially solved.

The invention provides a solar energy-air energy composite heat pump system based on self-contained energy storage cascade application and a control method. The solar energy-air energy composite heat pump system comprises a heat pump host module, a solar module and a hydraulic module. Hot water generated by the solar heat collector is accumulated in the energy storage water tank and serves as an external heat source for active enhanced vapor injection to improve the performance of the heat pump. An active enhanced vapor injection device is designed for a heat pump host module, a refrigerant in an economizer absorbs heat of heat storage hot water, is jetted to a middle pressure cavity of a compressor and is converted into heating capacity, and the performance of the heat pump is greatly improved. When it is detected that the temperature in the heat storage water tank is reduced to a certain temperature, the flow direction of the heat storage hot water is switched through the switching assembly, the heat storage hot water is pumped to the heat pump fluorine-water heat exchanger for heat exchange, the heat pump performance is improved, and cascade application of the heat storage hot water is achieved. Refrigerant flows in the fin type heat exchanger and the fluorine-water heat exchanger are controlled by respective electronic expansion valves, and the opening degrees of the fin type heat exchanger and the fluorine-water heat exchanger are adjusted according to respective air suction superheat degrees, so that respective optimal heat exchange effects are realized.

The invention discloses a gas water heating device and a condensing heat exchanger thereof, and the condensing heat exchanger comprises a heat exchange chamber, a gas water heater, a gas water heater and a gas water heater, wherein the heat exchange chamber is provided with a flue gas inlet and a flue gas outlet; a heat exchange component is arranged in the heat exchange cavity, and condensate water generated on the heat exchange component flows to the bottom of the heat exchange cavity; the atomization cavity communicates with the heat exchange cavity, a condensate water output part is arranged at the bottom of the heat exchange cavity, and condensate water flowing out of the condensate water output part flows into the atomization cavity; the first flow channel is communicated with the atomization chamber, and the first flow channel is used for guiding flue gas, which does not completely exchange heat with the heat exchange component, in the upstream of the flue gas inlet or in the heat exchange chamber into the atomization chamber; the atomization module is used for carrying out atomization treatment on the condensate water flowing into the atomization cavity so that the condensate water can form water mist; and the water mist flows out of the condensation heat exchanger along with the flue gas flowing into the atomization chamber. A condensate water discharge pipe can be omitted, and secondary condensation of water mist can be prevented in the process that the water mist is discharged outwards through the smoke outlet pipe.

The invention belongs to the technical field of geothermal energy development and utilization, and particularly relates to a separated ultra-deep geothermal water extraction and utilization device which comprises a base, an adjustable supporting mechanism is arranged on the base, a winch is arranged on the adjustable supporting mechanism, a sliding rod piece is arranged in a closed mine, and the winch is used for conveying the sliding rod piece to the bottom of the closed mine. A clamping mechanism used for fixing the sliding rod piece is arranged on one side of the base. The sliding rod piece is vertically arranged, a plurality of supporting plate assemblies are connected to the sliding rod piece in a sliding mode, the other ends of the supporting plate assemblies are fixedly connected to a rope on the winch, a water pumping device is arranged on the lowest supporting plate assembly, transfer water pumping devices are arranged on the rest supporting plate assemblies, and the water pumping device is communicated with the transfer water pumping devices. The device is high in reliability, can be repeatedly used, is low in cost input, and can solve the problem that hot water is difficult to extract when a mine is closed in an ultra-deep manner.

The invention relates to the technical field of new energy, and discloses an independent energy supply system suitable for a high-altitude area and a control method thereof, electric power is generated through photovoltaic power generation, part of the electric power is stored in a storage battery, and the residual electric power is used for electrolyzing water to prepare hydrogen and oxygen, and the hydrogen and the oxygen are respectively stored. The oxygen content in the air is increased by mixing the oxygen, the oxygen and the hydrogen jointly enter the fuel cell for chemical reaction, and stable electric power and hot water are output. In order to ensure the stability of the system, a low-temperature air source heat pump is configured to serve as standby heat supply equipment, and accurate adjustment and storage of electric power are achieved through cooperative work of a load tracking module and an efficient storage battery. According to the system, photovoltaic power generation, hydrogen energy storage and fuel cell technologies are combined, continuous and reliable power and heat combined supply can be achieved in high-altitude areas lack of power grid support, and an efficient and environment-friendly solution is provided for energy supply in remote areas.

The invention relates to the technical field of HB450-grade thick-specification wear-resistant steel plates, in particular to a flame cutting delayed crack-free HB450-grade thick-specification wear-resistant steel plate and a production method thereof. The steel is composed of the following chemical components in percentage by weight: 0.18%-0.22% of C, 1.00%-1.10% of Si, 0.8%-1.0% of Mn, 0.015%-0.03% of Nb, 0.6%-0.70% of Cr, 0.06%-0.09% of Al, 0.0005%-0.0020% of B, more than or equal to 1.4% and less than or equal to 1.6% of Mn and Cr, and the balance of Fe and inevitable impurities. The production process flow comprises the steps of smelting, refining, slab continuous casting, casting blank heating and slow cooling, slab heating, controlled rolling, stacking and slow cooling, quenching and tempering heat treatment, flame cutting with temperature and slow cooling with hot water. The surface hardness is larger than or equal to HB450, the thickness ranges from 40 mm to 80 mm, the tensile strength is larger than or equal to 1250 MPa, the retained austenite content is 5%-7%, delayed cracks do not exist after fire cutting, the trimming hardness is larger than or equal to HB410, AKV at the temperature of-40 DEG C is larger than or equal to 40 J, and A is larger than or equal to 12%.

The utility model relates to the technical field of water heaters, and provides a water path assembly and a water heater, the water path assembly comprises a shell, a thermostatic valve and a water replenishing valve; a water inlet channel, a cold water channel, a water supplementing channel, a hot water channel and a water using channel are formed in the shell, the water inlet channel is used for inputting cold water, the cold water channel and the water supplementing channel are both connected with the water inlet channel, the hot water channel is used for inputting high-temperature hot water, and the water using channel is used for outputting constant-temperature hot water. The cold water path and the hot water path are connected with the input end of the thermostatic valve, and the output end of the thermostatic valve is connected with the water path to output constant-temperature hot water through the thermostatic valve; the water supplementing valve is arranged on the shell and acts on the water supplementing waterway so as to control on-off of the water supplementing waterway. The thermostatic valve and the water replenishing valve are integrated on the shell, so that connecting nodes between the valve body and a pipeline are reduced, water leakage points are further reduced, the water leakage probability of the water path assembly is lower, and a water path system is more stable.

The invention provides a method for preparing high-purity lithium sulfide from lithium carbonate, and belongs to the technical field of lithium material preparation, and the method comprises the following steps: heating a ball-milled mixture of industrial-grade lithium carbonate and an alumina additive to 750-900 DEG C, and carrying out heat preservation and calcination to generate lithium oxide; performing hydrolysis reaction on lithium oxide in hot water, and filtering to obtain a high-purity lithium hydroxide solution; mixing the lithium hydroxide solution with the sulfur-containing protein, and performing spray drying to obtain a mixed precursor; calcining the mixed precursor at a low temperature of 210-340 DEG C in an inert atmosphere; and heating to 550-660 DEG C, calcining at a high temperature, introducing hydrogen sulfide gas, reacting lithium hydroxide to generate lithium sulfide, and cooling to obtain the high-purity lithium sulfide. The invention provides the method for preparing the high-purity lithium sulfide, the purity, the production efficiency and the raw material utilization rate of the lithium sulfide are remarkably improved, and the technical defects of low purity, incomplete raw material reaction, non-uniform precursor mixing, complicated process, difficulty in large-scale production and the like in the traditional lithium sulfide preparation method are overcome.

The invention relates to a test device and method for simulating underground hot water seepage tunnel temperature and humidity field evolution. The test device comprises a tunnel model, a partition heating device, a hot water seepage simulation device, a temperature and humidity monitoring device and a ventilation device. The partition heating device covers the outer wall of the tunnel model and is used for simulating high-temperature surrounding rock; the hot water seepage simulation device is located on the inner side of the tunnel model, sprays hot water to the inner surface of the tunnel model and is used for simulating lining inner surface hot water seepage. The hot water exudation simulation device is provided with a thermal imager and a laser thermodetector and is used for obtaining the inner wall temperature field distribution of the tunnel model; the temperature and humidity monitoring device is arranged in the tunnel model and is used for measuring a temperature and humidity field in the tunnel model; the ventilation device is located at the top in the tunnel model. According to the invention, a high-temperature groundwater discharge type tunnel and tunnel high temperature and water seepage can be truly simulated, ventilation parameters of the ventilation device can be timely adjusted according to the evolution law of a temperature and humidity field in the tunnel, and the temperature and humidity environment of the tunnel can be accurately regulated and controlled.

The invention discloses a global hot water system fault diagnosis and early warning method and system based on multi-modal perception fusion and knowledge graph reasoning, and the method comprises the steps: firstly, comprehensively collecting the multi-modal operation data of a hot water system through a vibration sensor, an acoustic sensor, an infrared thermal imaging sensor and other sensors; then, processing and feature fusion are carried out on the collected data, and a multi-modal state feature vector capable of depicting the health state of the equipment in a fine mode is generated; then, single-point abnormity of the equipment state is discovered in real time by using an unsupervised abnormity detection model; when an exception is found, a multi-hop association reasoning process is automatically started on a pre-constructed hot water system knowledge graph, and a fault source is accurately traced and positioned through cross validation of related equipment data; and finally, generating structured early warning information containing the detailed diagnosis evidence. According to the invention, the problems of insufficient early warning capability for early hidden faults and difficulty in fault positioning in the prior art are solved, and early and accurate diagnosis and prospective early warning for the faults of the hot water system are realized.

The invention discloses a cold and heat quadruple supply system and a control method thereof, belongs to the technical field of refrigerating and heating devices, and is designed for solving the problems that cold and heat demand time is not matched and the like. The cold and heat quadruple supply system comprises a first unit used for cooling and heating and comprising a cold and heat all-in-one machine; the second unit is used for supplying high-temperature hot water and comprises a high-temperature heat pump; and the third unit is used for supplying high-temperature steam and comprises a flash tank and a steam compressor. According to the cold and heat quadruple supply system and the control method thereof, cold water, heat supply, hot water and high-temperature steam can be prepared at the same time, the problem that cold and heat demand time is not matched is solved, and use is more convenient; and the operation state and the heat storage and cold storage conditions of the unit can be determined according to the cold quantity and the heat quantity actually required by a user, so that the operation energy consumption is reduced.

A liquid solid separator has a main container wherein a rotating filter belt receives influent for liquid sold mixture sieve processing. A filtered water collections tank, a pressurized water supply are sources of wash water inputs. Cold and hot water pressurized water supplies are also potential supply sources. Load balancing of inputs and single and dual wash water pumps are also described.