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11189 results about "Thermal water" patented technology

Solar interface evaporator based on amphoteric polyelectrolyte photo-thermal hydrogel, preparation method and application

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.
Owner:DALIAN UNIV OF TECH

Charging pile system based on immersed liquid cooling technology and waste heat recovery

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.
Owner:HANGZHOU JINGONG ELECTRIC TECHNOLOGY CO LTD

Hydrogen-rich water production equipment

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.
Owner:FOSHAN XINYAO ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Water heater system

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.
Owner:CHANDLER WILLIAM D JR

Constant-heating defrosting system of heat recovery air conditioner and defrosting control method and device

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.
Owner:ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION

Method and system for utilizing waste heat of multifunctional heating ventilation air conditioner

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.
Owner:SUZHOU YANGJI ELECTROMECHANICAL ENG CO LTD

Solar energy-air energy composite heat pump system based on self-contained energy storage cascade application and control method

ActiveCN120194426AFluid heatersSolar heating energySolar air collectorCollector device
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.
Owner:NINGBO UNIVERSITY OF TECHNOLOGY +1

Independent energy supply system suitable for high altitude area and control method thereof

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.
Owner:上海舜华新能源系统有限公司

HB450-grade thick-specification wear-resistant steel plate without flame cutting delayed cracks and production method of HB450-grade thick-specification wear-resistant steel plate

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%.
Owner:ANGANG STEEL CO LTD

Universe hot water system fault diagnosis and early warning method and system based on multi-modal perception fusion and knowledge graph reasoning

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.
Owner:ZHEJIANG HONGTU TECH CO LTD

Preparation method and application of polypyrrole graphene oxide cellulose hydrogel

The invention provides a preparation method and application of polypyrrole graphene oxide hydrogel with an anisotropic structure. The preparation method comprises the following steps: adding sodium hydroxide and urea into water according to a certain proportion, adding microcrystalline cellulose into an alkali urea solution, uniformly stirring, and repeatedly freezing and thawing to obtain a cellulose solution; adding graphene oxide into water for cell disruption and dispersion to obtain a uniform graphene oxide solution; adding the graphene oxide solution into the cellulose solution, then adding an epichlorohydrin cross-linking agent, and carrying out stirring treatment, centrifugation and low-temperature standing to form gel; and pre-stretching the hydrogel to a certain length, immersing the hydrogel into a dilute sulphuric acid solution, taking out the hydrogel, adding pyrrole, carrying out polymerization growth in a closed environment, taking out the hydrogel, soaking the hydrogel in water, and washing the hydrogel to obtain the anisotropic polypyrrole graphene oxide hydrogel. The anisotropic polypyrrole graphene oxide cellulose hydrogel disclosed by the invention has excellent solar photo-thermal water evaporation performance and also has excellent thermal management performance.
Owner:HAINAN UNIV

Cleaning base station

The utility model discloses a cleaning base station which at least comprises a base station body, a heating module and a fan component, the heating module and the fan component are installed on the base station body, the base station body is provided with a rolling brush cleaning tank and a drying air channel communicating with the rolling brush cleaning tank, and the drying air channel extends in the front-back direction and is provided with two side walls; the heating module is arranged in the drying air channel and comprises a hot water module used for heating liquid, a hot air module used for heating gas and a heating element used for heating the hot water module and the hot air module. The hot water module is provided with a hot water flow channel which is located in the drying air channel and is parallel to or perpendicular to the extending direction of the drying air channel. According to the technical scheme provided by the invention, the heating module of the cleaning base station has a composite heating function and does not occupy extra space of the base station.
Owner:TIANKE INTELLIGENT TECH CO LTD

Water heater

The utility model relates to the technical field of household appliances, and provides a water heater which comprises a machine body, a water inlet pipe assembly, a water outlet pipe assembly and a filtering assembly, the machine body is provided with an inner container assembly, the inner container assembly is provided with a water storage cavity, and the inner container assembly is further provided with a water inlet, a water outlet and a sewage outlet which are communicated with the water storage cavity; the water inlet pipe assembly penetrates through the water inlet; the water outlet pipe assembly penetrates through the water outlet; the filtering assembly penetrates through the sewage draining exit, and a water outlet of the filtering assembly and a water outlet of the water outlet pipe assembly are connected to the same water outlet. Hot water in the water heater can be discharged through the water outlet pipe assembly and can also be discharged through the filtering assembly, the water outlet pipe assembly and the filtering assembly are both connected with the same water outlet, when the water heater discharges sewage, it is not needed to wait for the temperature of the hot water to be reduced, filtered water can be reused, and the utilization rate of the hot water is effectively increased.
Owner:WUHU MIDEA KITCHEN & BATH APPLIANCES MFG CO LTD +1

Heat allocation system based on heat pump

The invention discloses a heat allocation system based on a heat pump. The heat allocation system comprises a water tank; a water source heat pump; an air source heat pump; a cooling tower; a cooling water circulation system; a hot water circulation system; a chilled water circulation system; an exhaust heat recovery system; wherein the water tank, the water source heat pump, the air source heat pump, the cooling tower, the cooling water circulation system, the hot water circulation system, the chilled water circulation system and the exhaust heat recovery system are connected with one another to realize heat allocation, especially heat allocation of a coating pretreatment electrophoresis production line of a vehicle body or parts forming the vehicle body; according to the system, heat generated when the heat pump / refrigerating unit produces chilled water and / or heat taken away in exhaust air can be recycled and used for heating the heat using tail end. Therefore, the heat which is wasted originally can be fully utilized, the energy consumption is reduced, and the utilization efficiency of energy is improved.
Owner:AUTOMOTIVE ENGINEERING CORPORATION +1

Automatic tea making machine

The present invention relates to an automatic tea making machine, comprising: a tea bag supply device capable of storing a plurality of tea bags and quantitatively outputting a plurality of tea bags; the tea making device can receive the tea bags output from the tea bag supply device and make tea, and can discharge obtained hot tea soup and residual tea bags; the tea soup cooling device can receive tea soup discharged from the tea making device and cool the tea soup; the hot water supply device is connected with the tea boiling device and can supply hot water to the tea boiling device; and the control system can receive various control signals and is in control connection with the tea bag supply device, the tea making device, the tea soup cooling device and the hot water supply device.
Owner:SUZHOU TIDIAN INFORMATION TECH CO LTD +1

High-hardness thick-specification flame cutting delayed crack-free high-wear-resistance steel plate and production method thereof

The invention relates to the technical field of high-hardness thick-specification high-wear-resistance steel plates, in particular to a high-hardness 30-80mm thick-specification flame-cutting-delayed-crack-free high-wear-resistance steel plate and a production method thereof. New flame cutting delayed crack preventing components and process design are adopted, the chemical components of the steel plate are mainly characterized by medium carbon, high silicon and niobium microalloying, and the wear-resistant steel plate with low impurity content, uniform and fine martensite and a certain amount of retained austenite structures is obtained after refining, continuous casting, controlled rolling and heat treatment. And formation and expansion of delayed cracks during flame cutting can be inhibited. And during flame cutting, thermal stress and structural stress formed in the cutting process of the thick steel plate are reduced through the cutting process of cutting with temperature and slow cooling with hot water after cutting, and the effect of no delayed crack after cutting is achieved. The surface hardness is larger than or equal to HB500, the tensile strength is larger than or equal to 1350 MPa, AKV at-40 DEG C is larger than or equal to 30 J, A is larger than or equal to 10%, retained austenite is 4%-6%, delayed cracks do not exist after flame cutting, and the flame cutting edge hardness is larger than or equal to HB460.
Owner:ANGANG STEEL CO LTD

Variable flow water distribution mechanism for cooling tower

The utility model discloses a variable flow water distribution mechanism for a cooling tower, which comprises a cooling tower body, a vertical metal pipe is arranged in the cooling tower body, the top of the metal pipe is connected with a cross-shaped connecting steel pipe, the end part of the connecting steel pipe is connected with a spraying frame, and the spraying frame is connected with a water inlet pipe. The outer side of the spraying frame is inserted into the inner wall of the cooling tower body, and electromagnetic valves are installed in the four directions of the connecting steel pipe. Filler is installed in the cooling tower body, and a temperature sensor is installed on the inner wall of the cooling tower body. According to the variable-flow water distribution mechanism for the cooling tower, the electromagnetic valves and the temperature sensors are arranged, the temperatures of different positions in the cooling tower body are detected through the multiple temperature sensors, and then the flow of water entering the corresponding spraying frames is changed through the electromagnetic valves. The situation that more hot water enters a high-temperature place to reduce the heat exchange effect is avoided, the water flow is increased for a low-temperature place, and the overall heat exchange effect is improved.
Owner:JIANGSU JINHANG COOLING TOWER

Air conditioner and hot water integrated system with temperature control and dehumidification functions

The utility model provides an air conditioner and hot water integrated system with temperature control and dehumidification functions, which comprises a compressor, an outdoor heat exchanger, a first indoor heat exchanger, a second indoor heat exchanger, a water tank and a liquid storage device, the other end of the second indoor heat exchanger communicates with one end of the first indoor heat exchanger, and the other end of the outdoor heat exchanger, the other end of the first indoor heat exchanger and the other end of the water tank communicate with the interior of the liquid storage device. The air suction end of the compressor can communicate with one end of the outdoor heat exchanger or one end of the second indoor heat exchanger or one end of the water tank. According to the utility model, the modes of refrigeration and water heating, heating and water heating and dehumidification and water heating can be realized at the same time, the system can also adapt to the refrigerant circulation amount in different modes, the problem of high power consumption is solved, the problem that the requirement of comfort cannot be met is solved, and the system runs efficiently.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Temperature control system and method for waste heat recovery and generated water utilization of hydrogen fuel cell

The temperature control system and method for hydrogen fuel cell waste heat recovery and generated water utilization comprise a hydrogen fuel cell waste heat cascade recovery unit and a building heating unit, and the hydrogen fuel cell waste heat cascade recovery unit and the building heating unit exchange heat through a first temperature control unit; the first temperature control unit controls the flowing directions of generated water and cooling water according to the cooling water outlet temperature measured by the first temperature sensor and the second temperature sensor and the hot water supply temperature of the municipal pipe network, and therefore the heating temperature is controlled. The hydrogen fuel cell waste heat cascade recovery unit comprises a second temperature control unit and a third temperature control unit, and the cooling temperature of the electric pile is further adjusted by controlling the opening degree of a fifth electromagnetic three-way valve and a heater of a second water tank; according to the system, heat of water generated by the hydrogen fuel cell and heat of cooling water are utilized at the same time, waste heat cascade recovery is achieved, and therefore energy waste of the hydrogen fuel cell is reduced.
Owner:STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER CO

Cold-heat-electricity-hydrogen-water-oxygen combined supply system based on wind and light utilization and operation method

The invention discloses a cold-heat-electricity-hydrogen-water-oxygen combined supply system based on wind and light utilization and an operation method, and belongs to the technical field of comprehensive energy, electric energy of the system is mainly supplied by a wind power generation device, a photovoltaic photo-thermal assembly, a hydrogen fuel cell and a storage battery, and oxygen and hydrogen are generated by a proton exchange membrane water electrolysis device; clean fresh water comes from a hydrogen fuel cell power generation by-product, heat mainly comes from waste heat of a photovoltaic photo-thermal assembly and a power generation device, and cold energy is supplied by an absorption refrigeration device driven by hot water of the system or electric refrigeration. According to the system and the operation method, stable and efficient heterogeneous energy self-sufficiency is achieved by adopting the technologies of power generation device waste heat gradient utilization, plateau hydrogen internal combustion engine output oxygen combustion supporting, hydrogen storage device system internal cooling, wind and light absorption promotion and power grid adjustment through the hybrid energy storage device and the like. The method fully considers the association of wind and light fluctuation, system energy supply and power grid mutual assistance, and has the capability of stable operation of the system under complex and severe conditions.
Owner:SINOHYDRO ENG BUREAU 4 +2

Environment-friendly catalytic combustion device

The utility model relates to the technical field of combustion devices, and discloses an environment-friendly catalytic combustion device which comprises combustion equipment, a water tank, a filter box and a heating radiator, a heat exchange pipe is installed on one side of the top end of the combustion equipment, and the middle of the heat exchange pipe is a snake-shaped part. Through the design, after water in the water tank is heated by the heat exchange pipe communicated with the combustion equipment, hot air emitted by hot water is conveyed to the heating radiator through the first exhaust pipe communicated with the top of the water tank, the top of the filter box is communicated with the second exhaust pipe, and the hot air which is filtered and still has waste heat is also conveyed to the heating radiator through the second exhaust pipe to be utilized; and the filter box is fan-shaped, the rotating disc is rotated through the motor, so that one side, provided with a newly-installed filter plate, of the outer side of the rotating disc is rotated into the filter box for use, the used side is rotated out of the filter box, the filter plate can be quickly replaced, and the disassembly and assembly difficulty of the filter element is reduced.
Owner:JIANGSU TAIBANG ENVIRONMENTAL PROTECTION EQUIP CO LTD

Photovoltaic-driven IDC electric cooling linkage method and device

The invention discloses a photovoltaic-driven IDC electric-cooling linkage method and device, and belongs to the technical field of IDC electric-cooling linkage, and the method comprises the following steps: S1, constructing a gravity energy storage structure; s2, the gravity object is lifted to the highest point of the gravity object channel through the gravity energy storage structure; s3, air at the bottom of the gravity object channel is compressed for the second time, and a thermal cracking reaction is carried out; s4, thermal cracking gas generated by the thermal cracking reaction is drained, and combustion products are discharged into a gas storage chamber; s5, the generated steam waste heat pushes a turbine in a turbine chamber to do work for power generation; and S6, domestic hot water and night heating hot water are prepared, convective heat exchange is conducted, the low-temperature reclaimed water obtained after heat exchange is heated into high-temperature steam in a cooler, the high-temperature steam enters a turbine to become high-temperature reclaimed water, and the high-temperature reclaimed water flows into a control center or a water storage pool. The organic matter compressed garbage is used as a gravity object for gravity energy storage, and heavy oil, solid fuel, adsorbents and other high-value products are produced in the gravity energy storage process.
Owner:HANGZHOU QINHE ENERGY TECHNOLOGY CO LTD

Surface treatment process of hydraulic rod and coating monitoring system

PendingCN121137734ACellsOxygen evolutionStain
The invention discloses a surface treatment process of a hydraulic rod and a coating monitoring system, relates to the technical field of electroplating, and aims to solve the problems that various complementary sensing technologies cannot be integrated, information such as thickness, uniformity and microstructure cannot be synchronously acquired in a lossless, in-situ and real-time manner, and closed-loop control cannot be formed based on the information in the background technology. According to the scheme, the method comprises the steps that PR electrolytic degreasing is conducted, a workpiece serves as an anode, an oil film is torn through the oxygen evolution effect, an extremely-thin oxidation film possibly existing on the surface of the workpiece is dissolved, base metal is completely activated, and an optimal combination basis is provided for a follow-up coating; and washing with hot water, namely removing residual alkaline degreasing fluid and emulsified oil stains by using hot water with the temperature higher than 60 DEG C in a stirring and spraying manner. According to the method, multi-dimensional information such as the thickness, the uniformity and the microstructure can be synchronously obtained in a lossless, in-situ and real-time mode in the surface treatment process, closed-loop control is formed based on the information, and it is ensured that plating growth is always located on the optimal track.
Owner:LONGGONG FUJIAN HYDRAULIC PRESSURE CO LTD

Air conditioner control method and device, multi-split air conditioner and storage medium

The present application relates to the technical field of air conditioners, and particularly relates to an air conditioner control method and device, a multi-connected air conditioner and a storage medium, the present application determines the target heat recovery mode of the multi-connected air conditioner by judging the water tank temperature of the hot water tank, the heating energy demand and the total energy demand of each air conditioner indoor unit obtained when the multi-connected air conditioner simultaneously exists refrigeration and heating water demand, and then adjusts the communication state of the reversing device and the throttling element according to the target heat recovery mode, so as to achieve the purpose of simultaneously operating refrigeration and heating water by one heat pump system, and heat the water tank by the waste heat of air conditioner refrigeration, thereby avoiding the technical problem that the heating and heating water in the prior art multi-connected air conditioner are not simultaneously performed, and improving the use experience of the user.
Owner:GD MIDEA AIR CONDITIONING EQUIP CO LTD +1

Mute control method and device for multi-split equipment, multi-split equipment and storage medium

The invention discloses a muting control method and device for multi-split equipment, the multi-split equipment and a storage medium, and relates to the technical field of multi-split equipment control. In response to a muting control instruction, the current operation mode of the multi-split equipment, water temperature data of a water tank of a heat recovery unit and the current outdoor environment temperature are obtained; determining a target temperature interval where the current outdoor environment temperature is located based on the current operation mode and the current outdoor environment temperature; and at least one of a heat recovery unit water tank, an outdoor unit and a compressor is controlled according to at least one of the water temperature data, the current operation mode and the target temperature interval, so that mute control over the multi-split equipment is achieved. By controlling at least one of the water tank of the heat recovery unit, the outdoor unit, the fan rotating speed of the outdoor unit and the compressor, the problem of neighborhood complaints caused by noise of the outdoor unit of the heat recovery air conditioner is effectively solved, and the user experience and the refrigerating and heating effect are improved on the premise that it is guaranteed that the noise of the outdoor unit does not disturb residents.
Owner:GD MIDEA AIR CONDITIONING EQUIP CO LTD +1

Multi-system water chilling unit

The utility model discloses a multi-system water chilling unit which comprises at least two heat exchange systems, at least two waterway systems and a combined heat exchanger, and the heat exchange systems can be combined to form or respectively form an independent heat exchange circulation loop by switching the serial or parallel connection state and the opening or closing state of the combined heat exchanger; the water path system can be combined to form or respectively form an independent water circulation loop, so that the heating or refrigerating capacity of the unit is obviously increased; different heat exchange circulation loops are switched and controlled by adjusting refrigerant flowing paths between the multiple heat exchange systems and the combined heat exchanger, and different water circulation loops are switched and controlled by adjusting water medium flowing paths of the multiple water path systems. Therefore, after the water chilling unit is installed, different operation modes can be selected and switched according to different heat or cooling capacity requirements, hot water or cold water with the corresponding capacity and temperature is produced, the heating or cooling capacity of the unit is matched with the actual requirement, the whole equipment or part of elements do not need to be replaced, cost is low, and maintenance is convenient.
Owner:GUANGDONG WOTECH RENEWABLE ENERGY & TECH CO LTD

Water circulation device for culturing schizopygopsis malabaricus

The invention relates to the technical field of fish culture water treatment equipment, in particular to a schizopygopsis malabaricus culture water circulation device which comprises a water inlet pipe, a filter plate is arranged at a port of the water inlet pipe, the water inlet pipe is communicated with one end of a temperature control channel and one end of an aeration channel, and the other end of the temperature control channel and the other end of the aeration channel are communicated with a water outlet pipe; the inner wall of the temperature control channel is fixedly connected with two heat conducting plates, one heat conducting plate is fixedly connected with the inner wall of one side of the temperature control channel, the other heat conducting plate is fixedly connected with the inner wall of the other side of the temperature control channel, and the heat conducting plates are hollow. After hot water or ice water is fed into the first containing cavity, the hot water or the ice water penetrates through the heat conduction plates and enters the second containing cavity, the temperature of the heat conduction plates can be increased or decreased, the hot water or the ice water is located in water flow between the heat conduction plates, the water flow is surrounded by the hot water or the ice water, and the heat exchange efficiency is further improved.
Owner:SICHUAN ZUMUZU RIVER BASIN HYDROPOWER DEV CO LTD +1

Compressed air energy storage system

The invention discloses a compressed air energy storage system which comprises a compressor, a heat exchanger, an air storage mechanism and a turbine, and the compressor is used for absorbing air, compressing the air into high-pressure air and concentrating and heating moisture in the air; the heat exchanger comprises a shell, a gas flow channel and a water flow channel, the gas flow channel and the water flow channel are arranged in the shell in an isolated mode, a first gas inlet and a first gas outlet are formed in the two ends of the gas flow channel, and a first water inlet and a first water outlet are formed in the two ends of the water flow channel. The first water inlet is connected with the compressor, receives pressurized hot water and finally discharges the hot water through the first water outlet; the gas storage mechanism is connected with the first gas outlet and stores gas; in the energy release stage, the first gas inlet is disconnected with the compressor and connected to the turbine, the gas storage mechanism reversely releases gas, the heat exchanger releases heat energy and pressure potential energy stored in the energy storage stage to the gas, and the gas enters the turbine to expand and do work.
Owner:NAIKESEN (BEIJING) IND TECHNOLOGY CO LTD

Heat supply equipment based on computing power and control method

The invention discloses heat supply equipment based on computing power and a control method, and belongs to the technical field of heat supply control. The method comprises the following steps: acquiring heat supply data, and performing anomaly detection on the heat supply data; when the heat supply data is not abnormal, the distribution condition of the hot water in the heat supply pipe network is analyzed, and a flow analysis result and a pressure analysis result are obtained; optimizing the operation parameters of the heat supply network, and calculating the heat recovery efficiency of the heat supply network; constructing and training an autoregressive integral moving average model, inputting current power utilization related data and heat recovery efficiency, and outputting a thermal load demand prediction value; influence weights of the indoor temperature and the outdoor temperature on the thermal load demand are determined, a temperature difference is calculated, a temperature correction coefficient is calculated according to the temperature difference, and a thermal load demand prediction value is adjusted by using the temperature correction coefficient; setting a power corresponding relation, and adjusting the power of the electric boiler by stages; the operation time and the stop time of the electric boiler are calculated according to the operation state data of the electric boiler, and the electric boiler is set according to the operation time and the stop time obtained through calculation.
Owner:JIANGXI FENGSHUO NEW ENERGY TECH CO LTD

Small diving bell for motorized saturated diving system

ActiveCN222946986UUnderwater equipmentHelium + Oxygen gasSaturation diving
The utility model discloses a small diving bell for a motorized saturated diving system, which belongs to the technical field of diving equipment and comprises a bell body and an outer frame, the top of the bell body is connected with the outer frame through a connecting flange, the outer frame is arranged around the outer side of the bell body, and a plurality of groups of helium oxygen bottles and oxygen bottles are arranged on the side surface of the outer frame. The oxygen bottle and the helium oxygen bottle are arranged on the outer frame and used by a diver in emergency, a steel cable joint is arranged in the middle of the top of the clock body, and the clock body is connected with a mother ship through a diving umbilical cord. The small diving bell can independently execute diving tasks underwater, meanwhile, the diving bell is provided with a power source and lighting and photographing equipment and is suitable for underwater operation and recording, a hot water circulation pipeline is arranged in the diving bell and connected with a diving suit to preserve heat for a diver, the diving comfort and safety are guaranteed, and the diving bell is more compact in structure and more convenient to use. Compared with the prior art, the overall dimension is obviously reduced, and maneuvering carrying and land transportation of the system are facilitated.
Owner:SHANGHAI SALVAGE BUREAU WUHU DIVING EQUIP PLANT