127 results about "Wet steam" patented technology

The utility model discloses a dry and wet steam generation structure of an emulsifying pot, the top of a pot body is communicated with a cleaning pipeline, the other end of the cleaning pipeline is communicated with a wet steam generation device and a dry steam generation device at the same time, wet steam is generated in the wet steam generation device, and the generated wet steam is communicated into the pot body through the cleaning pipeline for wet steam cleaning. Wet steam is conveyed to the dry steam generating device through the first communicating pipe, the separating device is arranged in the dry steam generating device to generate dry steam, the dry steam enters the pot body through the cleaning pipeline to be sterilized, the emulsifying pot body can be rapidly and efficiently cleaned through the wet steam generated by the wet steam generating device, the cleaning efficiency is high, no dead angle exists, and cleaning is thorough. Dry steam generated by the dry steam generating device can be used for efficient sterilization, efficient sterilization and disinfection can be carried out, a traditional cleaning and disinfection mode is replaced with a dry and wet steam technology, the cleaning efficiency and effect can be greatly improved, and needed energy consumption is greatly reduced.

The invention discloses a small micro-superheated steam through-flow type gas condensation boiler, belongs to the technical field of boilers, and solves the problems that the current small gas boiler is developed towards the high-efficiency, low-emission and compact direction, and particularly pays attention to waste heat recovery and steam quality control. Comprising an annular water chamber allowing water to enter, a combustion chamber arranged above the annular water chamber and an ultra-low nitrogen surface fiber combustor located above the combustion chamber and communicated with the combustion chamber, and an annular steam chamber is arranged above the combustion chamber. The ultra-low nitrogen surface fiber burner works to burn gas and raise the temperature, and the composite fin straight water pipe converts water in the water pipe into wet steam through efficient heat exchange of the spiral fins and enters the annular steam chamber. External water is injected into the annular water chamber through the finned tube group of the flue gas condenser and the connecting tube, and then enters the steam chamber through the straight tube. Wet steam in the steam chamber enters the superheater through an inlet pipe to form micro superheated steam. Combustion smoke is condensed and discharged after being filtered by a filter screen and subjected to heat exchange, and dryness of the combustion chamber is guaranteed.

According to the method and system for calculating the efficiency of the low-pressure cylinder of the steam turbine on line, under the reference working condition and multiple working conditions, parameters such as steam pressure, temperature and back pressure of an inlet and an outlet of a first stage, a second stage and a third stage of the low-pressure cylinder are collected, the efficiency of each stage and the efficiency of the low-pressure cylinder are calculated, dimensionless processing is carried out, and the efficiency of the low-pressure cylinder is calculated; and establishing a multiple regression model which takes the superheated steam stage efficiency as an independent variable and takes the low-pressure cylinder efficiency as a dependent variable. And considering the influence of the back pressure on the efficiency of the low-pressure cylinder, establishing a compensation model, and correcting the predicted efficiency of the low-pressure cylinder. In actual operation, the parameters are collected in real time, the efficiency of the current stage is calculated and substituted into the regression model and the compensation model, and the real-time efficiency of the low-pressure cylinder is obtained. According to the method, direct measurement of wet steam parameters is avoided by utilizing superheated steam stage data which are easy to obtain, real-time and accurate calculation of the efficiency of the low-pressure cylinder under different working conditions is realized, and the method can be widely applied to performance monitoring, operation optimization and fault diagnosis of a turboset.

The invention provides a wet steam real-time metering and dynamic regulating and controlling device and method.The device comprises a Venturi nozzle, a swirl vane, a radial center pressure guiding pipe, a radial pipe wall pressure guiding pipe, an upstream axial pressure guiding pipe and a downstream axial pressure guiding pipe; the swirl vane carries out swirl shaping on wet steam flowing out of the Venturi nozzle, gas-liquid two-phase fluid phases are isolated, the radial center pressure guiding pipe measures the pressure of the radial center point in the pipeline, the radial pipe wall pressure guiding pipe measures the pressure on the inner wall of the pipeline, the upstream axial pressure guiding pipe measures the axial incoming flow pressure of the pipeline, and the upstream axial pressure guiding pipe measures the axial incoming flow pressure of the pipeline. And the downstream axial pressure guide pipe measures the pressure of the pipeline after axial shaping. According to the real-time metering and dynamic regulation and control device and method for the wet steam, a specially-designed online monitoring device for four parameters of flow, dryness, temperature and pressure of the rotational flow double-differential-pressure type wet saturated steam is adopted to evaluate and analyze the dynamic regulation and control effect.

The invention relates to the technical field of oil field oil gas gathering and transportation, in particular to an oil storage tank breather valve and hydraulic safety valve winter anti-freezing and anti-blocking device which comprises an oil storage tank body, a connecting pipe, a flame arrester, a hydraulic safety valve, a breather valve, a mounting pipe and a first blocking net. The oil storage tank is reasonable and compact in structure and convenient to use, liquid in mixed steam can be filtered and then left in the oil storage tank body through the arrangement of the first blocking net, dry gas is exhausted, the contact amount of moisture, a valve disc and liquid seal oil is reduced, the phenomena of water accumulation in a liquid seal groove, freezing in winter and freezing and frosting of a pressure valve disc in winter can be effectively reduced, and the service life of the oil storage tank is prolonged. Meanwhile, the fire barrier net can be prevented from being in contact with mixed wet steam, corrosion of the fire barrier net is effectively prevented, the service life is prolonged, liquid filtered by the first blocking net contains oil components, oil loss is reduced, and the device has the advantages of being safe, capable of saving labor, simple, convenient and efficient.

The invention provides a drying device and a drying method for curing desulfurization wastewater. The drying device comprises a steam feeding valve and a tower body, the tower body comprises an inner tower body and an outer tower body, and a steam channel is formed between the inner tower body and the outer tower body; the steam feeding valve is arranged at the top of the tower body, a steam inlet of the steam feeding valve is connected to a high-pressure bypass pipeline of a boiler in the coal-fired power plant unit, and a steam outlet of the steam feeding valve is communicated to the steam channel; a cooling steam outlet is formed in the lower part of the outer tower body; a first isolation plate and a second isolation plate which are provided with communicating holes are sequentially arranged in the inner tower body from top to bottom, so that the inner tower body is divided into a dry spraying area, a particle crushing area and a cyclone separation area which are sequentially communicated from top to bottom; and the flue gas purification device is used for sequentially introducing the flue gas purification device to atomize, evaporate and solidify the desulfurization wastewater to generate ash particles, crush the ash particles into ash powder and separate flue gas and the ash powder. According to the drying device and the drying method, energy of high-pressure wet steam in the high-pressure bypass pipeline is transferred and recycled by coupling the high-pressure bypass pipeline, and damage to a filter bag in a bag-type dust collector during tower heating is avoided.

The present invention relates to a process for cooling and for the use of environmental heat, where the following steps are carried out, implemented in a thermodynamic machine: a) the working fluid being in steam state is adiabatically expanded (1-2), b) the working fluid being in wet-steam state is separated according to state into liquid (0) and steam (3) components, c) the temperature of the working fluid being in steam state (3) is increased by adiabatic compression (3-4), d) the working fluids of liquid (0) and steam (4) are compressed (4-1) and mixed at the same time, keeping the temperature of the steam (4) at a constant level by means of the compression, and generating steam (1) of stable state through the evaporation of the liquid (0), e) the process is repeated periodically.

The utility model relates to the technical field of wastewater treatment, and particularly discloses a heat pump system with a separator. A water collecting screen; and a driving mechanism. A plurality of baffle plates alternately and intermittently rotate downwards and are matched with elastic rotation of an upper baffle plate, so that the baffle plates rotate upwards after rotating downwards, the baffle plates shake in the process, and water intercepted by the baffle plates and a water collecting net plate falls down, flows along the baffle plates and is finally discharged from a water discharging pipe; in this way, water can be effectively prevented from being attached to the surfaces of the baffle plates and the water collecting net plates, dried steam is prevented from touching the water again to become wet steam, the steam exhausted from the exhaust pipe is kept in a dry state, and the heat conduction performance and the heat exchange efficiency of the steam are prevented from being reduced.

The utility model discloses a wet steam dryness on-line detection device, which relates to the technical field of wet steam dryness detection, and comprises a bracket and a detection bottle, and also comprises a transfer unit and a heat dissipation unit which are arranged between the bracket and the detection bottle, and a detection assembly arranged on the detection bottle, the adjusting unit comprises a strip-shaped box, a lead screw, a supporting block and a supporting arm. The heat dissipation unit comprises an annular liquid storage barrel, a first partition plate, a second partition plate, a water inlet pipe, a water outlet pipe and an annular supporting plate. The annular liquid storage barrel is hollow, and the top peripheral face of the annular liquid storage barrel is fixedly connected with the ends of the supporting arms. According to the utility model, one of the supporting blocks in threaded connection with the screw rod can be matched with the L-shaped supporting arm to drive the annular liquid storage cylinder to be lifted and adjusted under the stress effect, the height position of the detection bottle can be adjusted along with the lifting of the annular liquid storage cylinder to adapt to the oil field gas injection boiler, and the equipment is simple and convenient to operate in overall lifting and positioning of the detection bottle and the detection assembly.

The invention discloses a recycling system and method for a photovoltaic module, and belongs to the technical field of harmless and resource treatment of retired photovoltaic modules. The recovery processing system of the photovoltaic module comprises a pyrolyzing furnace, a wet steam oxidation furnace and a cooling furnace, a discharge port of the pyrolyzing furnace is connected with a feed port of the wet steam oxidation furnace, and a discharge port of the wet steam oxidation furnace is connected with a feed port of the cooling furnace; molten salt heating pipes are arranged in the pyrolyzing furnace in the circumferential direction. The invention further provides a photovoltaic module recycling method which comprises the following steps: conveying the photovoltaic module into the pyrolyzing furnace, and staying at 450-550 DEG C for 20-40 minutes; then the photovoltaic module enters a wet steam oxidation furnace, the temperature of water vapor is 200-250 DEG C, and the photovoltaic module stays for 20-40 min; and then the photovoltaic module enters the cooling furnace to be cooled and output. The system provided by the invention can realize separation of a large complete glass plate and a high-quality silicon battery piece.

The utility model provides cooking equipment which comprises a base, a steam generating assembly, a steam dryer and a steamer, the steam generating assembly is located in the base, the steam dryer is arranged on the base, the steam dryer is provided with a drying cavity, and the drying cavity is communicated with the steam generating assembly. The steamer is arranged on the steam dryer or the base and provided with a cooking cavity, and the cooking cavity is communicated with the drying cavity. According to the cooking equipment, the drying cavity can dry wet steam, so that moisture in the steam is removed or reduced, the steam flowing to the cooking cavity does not contain moisture or contains less moisture, so that the steam discharged out of the cooking equipment from the cooking cavity is not easy to form condensed water, and the condensed water is prevented from corroding a cabinet.

The present invention relates to a method for discharging steam from a cabinet of an embedded dishwasher. The cabinet is embedded in the cabinet and a gap is formed between the top of the cabinet and the inner top wall of the cabinet. An exhaust assembly is arranged in the gap. The exhaust assembly has an inlet connected to the gap and an outlet located at the front edge of the cabinet. The exhaust assembly is provided with a first air suction port arranged corresponding to the top edge of the door body. When the exhaust assembly is turned on, air carrying water vapor in the gap is sucked in through the inlet and discharged out of the outlet. After the exhaust assembly is turned on for at least 3 seconds, the door body opens the front side to form a top gap, and the high-temperature steam in the cabinet is sucked in through the first air suction port and discharged out of the outlet. The exhaust assembly of the present invention can discharge the air with steam in the assembly gap in the cabinet from back to front. During the discharge process, the door body is first opened relative to the cabinet to form a top gap, and the high-temperature and high-humidity steam in the cabinet is discharged by using the first air suction port to prevent it from overflowing into the cabinet, thereby avoiding cabinet loss and improving user experience.

The invention provides a crystallizer and a crystallization method for evaporation of desulfurization wastewater. The crystallizer comprises a steam feeding valve and a tower body; the tower body comprises an inner tower body and an outer tower body which are spaced to form a steam channel; the steam feeding valve is arranged at the top of the tower body, a steam inlet of the steam feeding valve is connected to a high-pressure bypass pipeline of a boiler in a coal-fired power plant unit, and a steam outlet of the steam feeding valve is connected to the steam channel; a cooling steam outlet is formed in the lower part of the outer tower body; a flue gas uniform distribution area, a drying spraying area, a particle crushing area and a cyclone separation area which are communicated with one another are sequentially arranged in the inner tower body from top to bottom, and the inner tower body is used for introducing flue gas, evaporating and curing desulfurization wastewater fog drops formed by introduced compressed air and desulfurization wastewater by utilizing the flue gas to generate ash particles, crushing the ash particles into ash powder and separating the flue gas and the ash powder. According to the crystallizer and the crystallization method, energy of high-pressure wet steam in the high-pressure bypass pipeline is transferred and recycled by coupling the high-pressure bypass pipeline, and damage to a filter bag in a bag-type dust collector during tower heating is avoided.

The application discloses a high-temperature wet steam dehumidifying device for drying equipment, which comprises a drying box, a heat exchange box arranged on one side of the drying box, a first pipeline arranged in the heat exchange box, a condenser communicated with the drying box through the first pipeline, a heating box arranged below the drying box, the condenser communicated with the heating box through a second pipeline, the second pipeline arranged in the heat exchange box, and heat exchange between the second pipeline and the first pipeline. The high-temperature wet steam generated during the drying of triazole is dehumidified, so that the problem that the heat contained in the high-temperature wet steam of the product dried by using the heated gas flushing in the existing drying equipment is difficult to be recycled due to the high humidity, thereby causing high energy consumption is solved.

The invention relates to a humidity control method and a fresh air conditioning system, and belongs to the technical field of air conditioning, the fresh air conditioning system comprises a shell, a multi-stage drying decompression device and a steam diffusion pipe, and the left end and the right end of the shell are provided with a steam inlet and a steam outlet respectively; the multi-stage drying and pressure reducing device is detachably arranged in the shell and used for receiving wet steam at the steam inlet, the multi-stage drying and pressure reducing device converts the wet steam into dry steam through the multi-stage throttling expansion effect of the multi-stage drying and pressure reducing device, and the dry steam is discharged through the steam outlet; the steam diffusion pipe is connected to a steam outlet of the shell and is used for diffusing the dry steam; the multi-stage drying and pressure reducing device has the beneficial effects that multi-stage pressure reducing and drying are carried out through the multi-stage drying and pressure reducing device, atmospheric pressure and dried steam are discharged from the steam outlet, and the air humidity in the environment can be well maintained.

The utility model particularly discloses an air source heat pump tobacco dryer which comprises a machine frame, an evaporation fan opening and an air inlet are formed in the front face of the machine frame, and an evaporation fan is arranged in the evaporation fan opening. A fresh air valve, a fresh air inlet and an air outlet are arranged at the top of the machine frame, the upper portion of the air outlet is connected with an electric auxiliary heating device, the air source heat pump drying machine is designed to be of an integral structure and is not provided with a dehumidification fan, and when dehumidification is conducted, the air enters a condenser heating bin from the fresh air valve through a fresh air channel under the negative pressure effect of a circulating fan arranged at the top of equipment during working. Therefore, the pressure of the curing barn is increased, redundant wet steam is naturally discharged out of the design from a plurality of moisture removal air ducts arranged on the lower portion of the rear side of the equipment, the moisture removal purpose can be achieved without a moisture removal fan, the electric control box and the design form a complete combination, the protruding part is the electric control box, and the purpose is to save space in the equipment for installing an evaporator.

The utility model relates to the technical field of steam production, and discloses a steam generator for producing dry steam, which is characterized in that a water channel is arranged in a first-stage thick film heating pipe, and the first-stage thick film heating pipe heats water flowing into the water channel into wet steam; a steam channel is arranged in the second-stage thick film heating pipe, and the second-stage thick film heating pipe heats wet steam conveyed by the water channel into dry steam. The first-stage thick film heating pipe and the second-stage thick film heating pipe are of an integrated connection structure. According to the steam generator, the first-stage thick film heating pipe and the second-stage thick film heating pipe are integrated into an integrally-connected structure, and a water-steam separator does not need to be additionally connected, so that all components of the steam generator for preparing dry steam are relatively concentrated, and the size is relatively small; and the advantages of high power density, high heating speed, high working temperature, high temperature rise rate, high mechanical strength, small size, convenience in installation, uniformity in heating, long service life, energy conservation, environment friendliness and the like of the thick film heating bodies forming the first-stage thick film heating tube and the second-stage thick film heating tube are fully utilized.

The utility model relates to an evaporative humidifier, which belongs to the technical field of humidifiers and comprises an outer casing, a first water tank, a wet curtain, a fan, a third water tank and a water replenishing component, the first water tank, the wet curtain, the fan, the third water tank and the water replenishing component are arranged in the outer casing, an air inlet and an air outlet are arranged on the outer casing, and an air passage is arranged between the air inlet and the air outlet. Water stored in the first water tank is conveyed to the third water tank through the water supplementing assembly. A heater is arranged at the bottom of the third water tank, water stored in the third water tank is heated by the heater to become boiled water, a sewer pipe is arranged at the bottom of the third water tank, an electromagnetic valve is arranged on the sewer pipe, after the water stored in the third water tank is boiled, the electromagnetic valve is opened, and the boiled water flows to the wet curtain through the sewer pipe to wet the wet curtain; the wet steam in the wet curtain also enters the air passing channel along with the air flow and is discharged out of the outer shell from the air outlet, so that the temperature of the wet steam is reduced, a user is not prone to being scalded, and the safety of the humidifier product is improved.

The present invention discloses a system and method for monitoring the exhaust steam dryness of the last stage of a steam turbine based on circulating cooling water, comprising a low-pressure cylinder of a steam turbine, wherein the saturated wet steam discharged from the low-pressure cylinder enters a condenser through an exhaust pipe, and the saturated wet steam is completely cooled into condensed water by circulating cooling water in the condenser and then enters a water storage tank and is transported away by a condensate pump, and the circulating cooling water is transported to the condenser by the circulating cooling water pump for cooling the saturated wet steam, and an integrated orifice plate flow measurement device is arranged behind the condensate pump. The present invention utilizes the existing real-time collected measurement data of the thermal power unit, and obtains the exhaust steam dryness of the low-pressure cylinder by performing real-time heat balance calculation on the heat exchange process between the saturated wet steam of the condenser and the circulating cooling water, thereby improving the stability and long-term reliability of the measurement.

The utility model discloses a powder feeding, stirring and drying system, which relates to the technical field of solid electrolyte production, and is provided with a drying module and a feeding module, when the system works, a vacuum assembly enables a feeding tank to generate a negative pressure suction effect, and the feeding tank pumps powder from a powder feeding tank through a pipeline; after entering the feeding tank, powder can be fed from the feeding port formed in the bottom of the feeding tank, the powder moves in the pipeline, the chance that the powder makes contact with the outside can be reduced, and the probability that wet steam in air is absorbed is reduced. According to the specific embodiment, the drying module is arranged, the powder is fed into the single-cone dryer of the drying module from the feeding tank, and the powder is stirred by the stirring paddle in the single-cone dryer, so that the powder is in uniform contact with the side wall of the single-cone dryer, the side wall of the single-cone dryer is heated, and the powder in the single-cone dryer is heated; wet steam generated after heating can be discharged from the single-cone dryer to the vacuum buffer tank; and the water content of the powder is effectively reduced, so that the quality of the subsequently produced solid electrolyte is ensured.

The present invention discloses a saturated steam dryness measuring device, which samples wet steam in real time through a sampler and enters the primary side of a shell-and-tube heat exchanger to be cooled into single-phase high-temperature water, and then is cooled into normal-temperature water by tap water on the primary side of a coil heat exchanger, and then is used as a cooling medium on the secondary side of the shell-and-tube heat exchanger to cool the wet steam on the primary side, and the wet steam dryness value is obtained by measuring the change in enthalpy and combining it with the law of conservation of energy. The product is a portable dryness measuring instrument with no moving parts, no parts that need to be replaced, and no radiation, and has the characteristics of simple structure, low cost, strong adaptability, high accuracy, etc., and can measure wet steam dryness online. The purpose of the present invention is to provide a saturated steam dryness measuring device to solve the problem of inaccurate wet steam dryness value measurement accuracy caused by the measurement accuracy of water flow.

The invention belongs to the field of film evaporators, and relates to a distributor for strengthening axial airflow transportation, which comprises a cylindrical rotor and a plurality of rows of scrapers arranged on the periphery of the rotor, all the scrapers are uniformly distributed around the central axis of the rotor, and each scraper is connected with the periphery of the rotor through a support plate; the contact area of each supporting plate and the periphery of the rotor is a spiral line, each supporting plate is composed of a plurality of rectangular areas which are sequentially arranged along the spiral line, the long edge of each rectangular area is perpendicular to the periphery of the rotor, the short edge of each rectangular area coincides with the spiral line, and all the supporting plates are evenly distributed around the center axis of the rotor. According to the distributor provided by the invention, the supporting plate is obliquely arranged, so that the axial airflow conveying capacity in the distributor can be improved, the accumulation of wet steam is reduced, negative effects on the distribution uniformity of distributed feed liquid are avoided, the production efficiency is favorably improved, the energy consumption can be reduced, and the distributor has an important application prospect.

The utility model provides a skid-mounted boiler combination device heated by two energy sources of electricity and fuel gas, and relates to the technical field of skid-mounted steam boilers. In the skid-mounted boiler combination device heated by two energy sources of electricity and fuel gas, a skid-mounted steam-water separation system is simultaneously connected with skid-mounted wet steam equipment, skid-mounted superheated steam equipment and a skid-mounted sewage heat exchange system; the skid-mounted gas supply control system, the skid-mounted power supply control system and the skid-mounted heat output control system are respectively connected with the skid-mounted wet steam equipment and the skid-mounted superheated steam equipment at the same time; the skid-mounted flue gas heat exchange system is simultaneously connected with the skid-mounted wet steam equipment, the skid-mounted superheated steam equipment, the skid-mounted water supply control system and the deaerator, and the skid-mounted superheated steam equipment is connected with a heat user. According to the combined device, natural gas and electricity can be input into one device at the same time or in a time-sharing mode to prepare high-temperature and high-pressure steam. When the combined device is installed on an oil extraction site, large-area land of the oil extraction site is prevented from being occupied.

The present invention aims to provide a food waste treatment device maximizing heat exchange efficiency. In an embodiment, a food waste treatment device is provided, including: a main body part; a drying part provided inside the main body part, including a drying cylinder for accommodating food and a heating part for heating the drying cylinder; a crushing part installed inside the drying cylinder for crushing the food; a cover part provided to cover the main body part, including a sub-cover opening and closing an open upper surface of the drying cylinder and a main cover integrally combined with the sub-cover through a first elastic part; a condensing part connected with the inside of the drying cylinder through the cover part, provided with a condenser for capturing and condensing wet steam inside the drying cylinder; and a condensed water collecting part connected with the condenser for storing condensed water generated by the condenser.

This invention provides a steam generator in which the heat generated by fuel combustion is conducted through the furnace shell to the water in the cavity, heating the water. The water circulates within the convection tubes and the cavity, ensuring uniform heat transfer and promoting stable steam generation. Simultaneously, the flue gas generated in the furnace shell undergoes radiative heat exchange before entering the first convection flue through the flue gas outlet ring. There, it exchanges heat with the inner side of the convection tubes and the boiler shell. The flue gas then enters the second convection flue, where it veers upwards, scouring the outer side of the convection tubes for further convective heat exchange. Finally, the flue gas enters the flue gas chamber, scouring the outer cylinder of the steam collector to heat the wet steam, drying it and significantly improving its dryness. This multi-pass utilization of the flue gas heat significantly improves heat exchange efficiency while reducing heat waste. Furthermore, by welding the outer cylinder of the steam collector to the top of the furnace shell, the support of the steam collector for the furnace shell is strengthened, thereby improving the safety of the steam generator.

The invention discloses a tunnel secondary lining maintenance device and method for a construction site in a limiting temperature step difference value. The tunnel secondary lining trolley (1) is used as a supporting body, the maintenance sealing interval assembly is arranged between the tunnel secondary lining trolley (1) and a tunnel secondary lining body, the spraying device (13) is arranged between the maintenance sealing interval assembly and the tunnel secondary lining trolley (1), and the steam generator (8) is arranged between the maintenance sealing interval assembly and the tunnel secondary lining trolley (1). The tunnel secondary lining trolley (1) is provided with a maintenance sealing interval assembly, the fog making device (9) is arranged between the maintenance sealing interval assembly and the tunnel secondary lining trolley (1), through the tunnel secondary lining trolley (1) and the maintenance sealing interval assembly, a maintenance sealing interval is prevented on a tunnel secondary lining body, through a spraying device (13), the tunnel secondary lining body is treated in a saturated water body state, and through a steam generator (8) and the fog making device (9), the maintenance sealing interval is prevented from being generated on the tunnel secondary lining body. A high-temperature and high-humidity curing environment is created for the tunnel secondary lining body, the tunnel secondary lining body is subjected to upper part permeation and maintenance water supplementation in a low-temperature state, and cement particles are fully hydrated in rising high-temperature and high-humidity steam mist clusters; the tunnel secondary lining maintenance device solves the technical problem that the tunnel secondary lining body is maintained by manually spraying water or covering wet cloth, so that the maintenance requirement of the tunnel secondary lining in a construction site at a limit temperature step difference value is met.

The utility model discloses a tea rolling device and belongs to the technical field of tea production. The tea leaf rolling device further comprises six rolling rollers I which are rotationally connected to the outer circumference of the rolling block; a gap is formed between the rolling roller I and the inner side wall of the rolling box; the lower end surface of the rolling block is rotationally connected with six rolling rollers II; a steam channel is formed in the upper end surface of the rolling block and corresponds to each rolling roller II; a steam storage cavity is formed in the inner side of the fixed block; the output end of the air valve is fixedly connected with the air delivery pipe; heating blocks are fixedly arranged at the lower end of the inner side of the steam box; the fixing block is fixedly provided with a motor in the steam storage cavity; the output end of the motor is fixedly connected with a rolling block; by arranging the steam storage cavity, the steam channel and the heating block, wet steam is added in the rolling process, the situation that tea leaves are prone to being damaged due to excessive leakage of juice in the rolling process is prevented, the tea leaves are kept slightly wet while being heated, and the rolling quality is improved.

The invention discloses a humidity adjusting device and a plateau intelligent wet steaming room, and relates to the technical field of indoor air humidification. Comprising a room body inner container, a top plate arranged at the top end of the room body inner container, an arc-shaped temporary storage box slidably mounted at the top end of the room body inner container along a circumferential track and a sliding supporting structure arranged at the bottom end of the top plate and used for guiding the arc-shaped temporary storage box to circumferentially slide, and a humidifying pipe set is mounted at the bottom end of the arc-shaped temporary storage box; a pumping unit used for conveying steam into the arc-shaped temporary storage box is installed at the bottom end of the room body inner container. By means of steam accumulation of the arc-shaped temporary storage box, dynamic deflection of the gear rocking-turn assembly and local humidification of the double-side angle following type humidification assembly, the problem that humidity is uneven due to the fact that a steam supply point is fixed is effectively solved, and the temperature and humidity are comprehensively adjusted through cooperation with the temperature and humidity control panel; uniform and stable control of humidity and temperature in the wet steaming room is realized.

The invention relates to the technical field of thermal power plant steam turbines, in particular to a method and device for improving the economical efficiency of a low-load steam turbine, electronic equipment and a storage medium. And solar fluctuation is dynamically adjusted based on a heat storage system in the solar steam generation system, the wet steam running time of the low-pressure cylinder is shortened, meanwhile, the heat storage system is dynamically controlled, and the opening degree of a water supply valve and the flow of heat conduction oil are adjusted to adapt to load changes. According to the method, the coal consumption is reduced, the emission pollution is reduced, the energy utilization efficiency is improved, the deep peak regulation capacity is enhanced, and the low-load economy and the system stability are remarkably improved.

The invention discloses a turbine exhaust enthalpy measuring and calculating method based on a heat exchanger dynamic model. The turbine exhaust enthalpy is calculated by utilizing actual monitoring data of a unit; the method comprises the following steps of: solving regenerative steam extraction capacity and steam flow of a steam turbine at each stage in a superheated steam area by utilizing actual monitoring data in the superheated steam area of the steam turbine, and constructing a steam turbine stage group steady-state model, a condenser dynamic model and a low-pressure heater dynamic model in a wet steam area; and the regenerative steam extraction capacity of each stage and the steam flow of the turbine in the wet steam area are indirectly obtained. The exhaust enthalpy value of the steam turbine is indirectly measured and calculated through the model and actual monitoring data, the problem that in the prior art, the exhaust enthalpy value of the steam turbine cannot be obtained when last-stage steam extraction of the steam turbine is wet steam is solved, and a basis can be provided for safe and reliable operation of a steam turbine thermodynamic system.