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36results about How to "Accurately Control Humidity" patented technology

Citrus wine brewing formula design method based on dynamic optimization algorithm

The invention discloses a dynamic optimization algorithm-based citrus red wine brewing formula design method. The method comprises the following steps of S1, constructing an initial multi-dimensional data set; s2, generating an initial formula setting through a fuzzy adaptive coevolution algorithm; s3, dividing the brewing process into a primary fermentation stage, a middle-stage fermentation stage and a later-stage curing stage; s4, controlling exploration and development balance of each particle by using an improved particle swarm optimization algorithm, and performing real-time optimization by using a multi-agent coordination mechanism; s5, dynamically adjusting the variation amplitude in each stage by applying an adaptive variation distribution mechanism; s6, optimizing a specific brewing target in different brewing stages through a staged multi-target optimization system; s7, analyzing brewing data of each batch by applying a traceability analysis system; and S8, adjusting the initial formula setting of the next batch based on the traceability analysis result. According to the method, the fuzzy adaptive coevolution algorithm, the improved particle swarm optimization algorithm and the like are utilized, and multi-stage intelligent control over the brewing process of the citrus red wine is achieved.
Owner:GUANGDONG HUAQI AGRICULTURAL TECHNOLOGY CO LTD

Cotton yarn stretching testing device

The invention discloses a cotton yarn stretching testing device, and belongs to the technical field of cotton yarn stretching testing devices, the cotton yarn stretching testing device comprises a stretching tester, the upper surface of the stretching tester is fixedly connected with a support frame, and the side surface of the support frame and the upper surface of the stretching tester are provided with clamp pieces; the humidity protection pipe is arranged on the outer surface of the supporting frame, and the outer surface of the supporting frame is fixedly connected with an electric push rod. Meanwhile, cold air can be blown into the sealed protective cover through an air cooler, a cold air pipe, a connecting pipe and an air outlet pipe to create a cold and wet environment, a temperature and humidity sensor can monitor the temperature in the protective cover in real time, and the limitation that a traditional cotton yarn can only be subjected to a stretching test under the dry condition is avoided; it is ensured that the test result is closer to the actual application environment, accurate control over the humidity and temperature of the test environment is achieved, and the stretching test of the cotton yarn under different cold air and humidity climates can be simulated.
Owner:SIHONG ZHONGHONG TEXTILE CO LTD

Air conditioner and control method and device thereof, storage medium and computer program product

PendingCN119617606AAccurately Control HumidityImprove indoor comfortCompressorMechanical apparatusProcess engineeringRefrigeration
The invention provides an air conditioner and a control method and device thereof, a storage medium and a computer program product, and the method comprises the following steps: after the air conditioner is started for refrigeration and operation, determining to enter an air supply mode or a temperature and humidity control mode according to indoor temperature and indoor relative humidity; if it is determined that the air conditioner enters the temperature and humidity control mode, the current building load and the corresponding sensible heat ratio of the air conditioner are obtained according to indoor and outdoor environment parameters and set parameters of the air conditioner; according to the obtained current building load of the air conditioner and the corresponding sensible heat ratio, the compressor frequency, the inner fan rotating speed and the outer fan rotating speed of the air conditioner are calculated; according to the calculated compressor frequency of the air conditioner and the operation state parameters of the air conditioner, the opening degree of a throttling device of the air conditioner is calculated; and controlling the air conditioner to operate according to the compressor frequency, the rotating speed of the inner fan, the rotating speed of the outer fan and the opening degree of the throttling device which are obtained through calculation. According to the scheme, the humidity can be accurately controlled in the cooling process of the air conditioner, and the indoor comfort is improved.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

High-low humidity step switcher and method for testing performance of humidity sensor

The embodiment of the invention provides a high-low humidity step switcher and method for testing the performance of a humidity sensor. The device is applied to the technical field of sensor performance detection and comprises a sealing cylinder, a sealing cover, a sealing plug, a push-out device, a detected humidity sensor and a gas pipeline, the sealing barrel is of a barrel-shaped structure with two through ends, one end of the sealing barrel is buckled with a sealing cover, and the other end is fixedly connected with a sealing plug, so that the sealing barrel forms a closed space; one end of the push-out device is fixedly connected with the sealing cover, and the other end of the push-out device penetrates through the sealing plug and then is connected with a gas pipeline; a detected humidity sensor is mounted on the push-out device; and the gas pipeline is used for pumping out gas in the sealing cylinder or introducing external humidity gas. In this way, the humidity environment can be rapidly switched, the step starting point can be accurately indicated, and therefore the testing efficiency and precision of the tested humidity sensor are effectively improved.
Owner:CMA METEOROLOGICAL OBSERVATION CENT

Bending crack resistance treatment device for chemical fiber paper tube

The utility model discloses a chemical fiber paper tube anti-bending crack treatment device which comprises a drying box, an inner heat preservation device and an outer heat preservation device, the drying box is formed by splicing an upper box body and a lower box body, the outer heat preservation device comprises a plurality of upper semicircular pressing rings and a plurality of lower semicircular pressing rings, and the inner heat preservation device comprises a left movable pipe and a right movable pipe. A plurality of heat preservation bags are arranged on the left movable pipe and the right movable pipe respectively, an inlet pipe and an outlet pipe are arranged in the left movable pipe and the right movable pipe respectively and communicated with the heat preservation bags respectively, the inlet pipe is connected with a constant-temperature medium, an air inlet pipe and an air outlet pipe are connected into the drying box, and the air inlet pipe is connected with hot air. According to the bending crack resistance processing device for the chemical fiber paper tube, the humidity of an appointed part of the processed chemical fiber paper tube is larger than that of other parts, a semi-dry and semi-wet processing area is formed, subsequent processing such as cutting and chamfering is carried out in the processing area, and cracking and deformation are not prone to being formed. The treatment device is easy to operate, high in efficiency and capable of accurately controlling the humidity of the chemical fiber paper tube.
Owner:TONGXIANG HENGYI PAPER PLASTIC

Highly integrated synchronous simulation multi-pollution source smog chamber system and working method

The invention discloses a highly integrated synchronous simulation multi-pollution source smog chamber system and a working method. Comprising a smog chamber, an outer box body, a zero gas generator, a solvent release unit, a biomass combustion furnace, a coal combustion furnace, an automobile exhaust emission collection unit, a temperature regulation and control unit, a humidity regulation and control unit, a plant emission collection unit, a multispectral light source and an industrial personal computer, the smog chamber is a square transparent box body, and the multispectral light source is located outside the smog chamber. The solvent release unit comprises a vacuum storage tank and a solvent beaker; and the vacuum storage tank, the biomass combustion furnace, the coal combustion furnace, the automobile exhaust emission and collection unit and the plant emission and collection unit are also respectively connected with the smog chamber through pipelines. The temperature regulation and control unit comprises a refrigerating unit and an electric heating pipe, and the humidity regulation and control unit, the electric heating pipe and an evaporator of the refrigerating unit are all arranged in the smog chamber. According to the invention, by integrating emission of various pollution sources, the real illumination condition of the environment is accurately simulated, and comprehensive simulation research on variable factors in the atmospheric environment is realized.
Owner:QINGDAO UNIV OF TECH

Preparation process of suspension insulator blank

The invention discloses a preparation process of a suspension insulator blank. The preparation process comprises the following steps: preparing mixed slurry; squeezing mud, and dehydrating the mixed mud at constant pressure until mud cakes are formed; rough refining: transporting the mud cake to a mud cutting machine for cutting; aging, namely aging the green body; performing vacuum pugging, namely performing vacuum pugging on the green body to enable the green body to be in a round roller shape; the method comprises the following steps: carrying out constant-pressure dehydration treatment on the slurry through a filter press so as to enable the difference between the surface humidity and the internal humidity of the green body to be + / -0.2%, pressing the slurry for 8 hours by the filter press under the pressure of 8-10N, and arranging a conveying belt below the filter press. According to the preparation process of the suspension insulator green body, each step is tightly matched from mud squeezing to rough refining to aging, so that the subsequent glazing and firing quality of the green body is guaranteed, the performance and stability of the suspension insulator are favorably improved, and meanwhile, the production efficiency and the yield are also favorably improved.
Owner:TIANJIN XINBO POWER COMPOUND INSULATORS MFG CO LTD

An energy-saving tobacco drying system

An energy-saving tobacco drying system includes an evaporator, a compressor, a condenser, a main expansion valve, an electric heater, a solar collector, a regenerator, an auxiliary evaporator, and an auxiliary expansion valve; the refrigerant heat absorption main path of the evaporator, the compressor, the refrigerant heat release main path of the condenser, and the main expansion valve are connected in series through pipelines to form an air source heat pump circuit. After a part of the wet return air in the curing room is cooled step by step through the regenerator and the auxiliary evaporator, the water vapor carried is condensed into water and discharged to obtain dry return air, and the dry return air returns to the regenerator to absorb heat and heat up. The condenser receives the dry return air after dehumidification treatment, heats it further to increase the temperature, and accurately heats it to a set temperature through an electric heater and sends it to the curing room as inlet air. Another part of the return air from the curing room is sent to the solar collector for heating through a pipeline, and returns to the curing room as inlet air after the temperature rises. This system solves the problems of high energy consumption, inaccurate temperature and humidity control, and unstable quality of flue-cured tobacco in existing air source heat pump curing rooms.
Owner:LUOYANG SUNRUI SPECIAL EQUIP

Spray humidifying device of chemical supply equipment

The utility model provides a spraying and humidifying device of chemical supply equipment, which comprises a high-pressure spray head, a pure water inlet for feeding pure water, a nitrogen inlet for feeding high-pressure nitrogen and a water outlet for discharging excessive water, wherein the side surface of the high-pressure spray head is provided with a pure water inlet for feeding pure water, the side surface of the high-pressure spray head is provided with a nitrogen inlet for feeding high-pressure nitrogen, and the side surface of the high-pressure spray head is provided with a water outlet for discharging excessive water; a nozzle is formed in the top of the high-pressure spray head, an upper shell is arranged at the top of the high-pressure spray head, and a spray joint is arranged on the upper shell. The device improves the humidity control effect.
Owner:NANJING HUAYITAI ELECTRONIC TECH CO LTD

A conveyor circulation purification dust collector

The present invention discloses a conveyor circulation purification dust collector, which belongs to the technical field of environmental protection equipment, including a dust collector chassis, at least two groups of filter components and a pulse spray component; a dust removal purification chamber and a clean airflow chamber are arranged inside the dust collector chassis, a dust suction port is provided below the dust removal purification chamber, and an air outlet is provided on one side of the clean airflow chamber; at least two groups of filter components are installed inside the dust removal purification chamber to filter dust particles. The conveyor circulation purification dust collector of the present invention adopts a highly integrated structure, which can achieve high-flow heat dissipation through the clean airflow chamber, ensure stable and efficient operation of the whole machine, and can match the pressure for the oil-free air compressor, reduce the operating burden, and is conducive to extending its service life and reducing energy loss. At the same time, the filter component can realize full-automatic cleaning and achieve maintenance-free effect; and it is no longer necessary to deal with secondary dust during cleaning, which greatly improves the working efficiency of the dust collector and saves costs.
Owner:XUZHOU BOYUAN TECH CO LTD

A kind of nanometer silica polycarbonate film moisture permeability detection device

ActiveCN121917425BImprove parallelismSimultaneous comparison testWater storage tankPhysical chemistry
The application discloses a kind of nano-silica polycarbonate film moisture permeability detection device, it is related to polycarbonate film detection technical field, including water storage tank and adjusting assembly, the top of water storage tank is connected with load disc by one-way valve, and the inside of load disc is placed with lower partition, the top of lower partition is provided with top cover, and the inside of top cover is placed with upper partition, the periphery of load disc is connected with connecting assembly.The application forms multiple independent test chambers by lower partition and upper partition, which makes it possible to place the same sample in multiple different humidity environments simultaneously and efficiently for comparison testing when detecting the moisture permeability of nano-silica polycarbonate film. The humidity environment is accurately generated by the humidifying unit and drying unit, and the mixture ratio of dry and wet gas input into each chamber is flexibly adjusted by the bus adjusting valve, thereby achieving wide-range humidity control.
Owner:SUZHOU DEJU CHUNTIAN MATERIAL TECH CO LTD

Control method and device for refrigerating box, refrigerating box and computer readable storage medium

The invention relates to the technical field of refrigeration, and discloses a control method for a refrigerator, the refrigerator comprises a refrigerator body, and a refrigeration space is constructed in the refrigerator body; the refrigerant circulating system comprises a compressor, a condenser, a throttling device and an intermediate heat exchanger which are connected in sequence; the water circulation system comprises a water storage box, a water pump and an evaporator which are connected in sequence; the intermediate heat exchanger is arranged in the water storage box; the control method comprises the steps that a second temperature range is set according to the set refrigeration temperature, and a first temperature range is set according to the set refrigeration temperature and the target dew point temperature corresponding to the set refrigeration humidity; the compressor is controlled to operate, so that the temperature in the water storage box is within the first temperature range; and the water pump is controlled to operate, so that the temperature in the refrigeration space is within the second temperature range. The temperature and humidity in the box can be stably and accurately regulated and controlled, and the actual refrigeration effect of objects in the box can be guaranteed. The invention further discloses a control device for the refrigerating box, the refrigerating box and a computer readable storage medium.
Owner:QINGDAO HAIER BIOMEDICAL CO LTD

A rose grafting healing shed

ActiveCN224419526UAccurately Control HumidityAvoid affecting the healing effect of rose graftingAgricultural engineeringNutrient solution
This application relates to the field of flower cultivation, and in particular to a rose grafting healing shed. It includes a frame containing parallel infusion pipes and a nutrient-conducting support pipe connected between them, forming a planting space below the nutrient-conducting support pipe. The outer side is covered with a light-transmitting film. A humidity sensor is installed inside the frame to monitor the humidity of the planting space. An electrically controlled spray head is connected to the nutrient-conducting support pipe and located above the planting space, and is also electrically connected to the humidity sensor. A hanging rod is connected to the nutrient-conducting support pipe, and a support bracket on the side of the hanging rod is used to bind the grafted plants. Furthermore, nutrient solution or water can be circulated through the infusion pipes and the nutrient-conducting support pipe. The planting space has planting troughs, the frame is detachable and can be placed on the ground, and the nutrient-conducting support pipe is arc-shaped. This application achieves the technical effects of creating a suitable environment for rose grafting healing, automatically regulating humidity, facilitating the support and maintenance of grafted plants, and being easy to construct and use.
Owner:WUHAN GREENISLAND LANDSCAPE CO LTD

Cantonese style sausage preparation process and production equipment thereof

The invention discloses a preparation process of Cantonese style sausages. Pork, white granulated sugar, edible salt, soy sauce, Baijiu and nitrite raw materials which pass acceptance inspection are respectively weighed through an electronic scale; the pretreated pork is placed in a slitting machine to be slit, the slit pork enters a tumbling machine, white granulated sugar, edible salt, soy sauce, Baijiu and nitrite are sequentially added into the tumbling machine, the mixture is placed in the tumbling machine, and the pork is pickled; carrying out binding treatment on the pickled pork to obtain pork strips, and carrying out segmented baking treatment on the pork strips at different temperatures; after cooling, cutting the meat strips, untying and binding the meat strips, and performing vacuum packaging and boxing to obtain finished products and warehousing the finished products. The invention further discloses production equipment of the Cantonese style sausages. According to the uniform heating type drying room, the baking temperature and humidity can be precisely adjusted in a sectional mode, so that the appearance and quality of Cantonese sausages are stable, the Cantonese sausages have good eating taste, the preparation technology is easy to operate, the automation degree is high, and batch production can be achieved.
Owner:SHENZHEN CENTENNIAL LUNNIU CATERING MANAGEMENT CO LTD

Tea leaf fixation machine with cooling function

The utility model relates to the technical field of tea processing machinery, in particular to a tea fixation machine with a cooling function, which comprises a main body, a cooling component fixedly connected to the side surface of the main body, a power component fixedly connected to the side surface of the main body, and a fixation component fixedly connected to the inside of the main body; under the combined action that the static pressure box is connected with the circulating fan, part of dynamic pressure can be changed into static pressure, noise elimination, noise reduction, static pressure air outlet increase and dynamic pressure loss reduction are achieved when tea leaves are subjected to fixation, and the static pressure box can accurately control the temperature, humidity and cleanliness of tea leaf cooling and the uniformity of circulating airflow distribution. The motor is used for driving the rotating wheel to pull the belt, so that the transmission wheel can drive the rotating rod, the stirring plate and the drying plate on the rotating rod perform fixation on the tea leaves, and the belt driving can accelerate the cooling speed of the fixation leaves, so that the tea leaf quality is improved, fixation and cooling are automatically completed, and the production efficiency is improved.
Owner:GUIZHOU LIANGYOU MODERN AGRI SCI & TECH DEV CO LTD

A medical trolley integrating refrigeration and constant temperature control

This invention relates to the field of medical cart technology, and more particularly to a medical cart integrating refrigeration and constant temperature control. The invention includes two mutually fixed frames and a storage cabinet fixed to one side of the top of the frames. Through the structural design of the temperature control mechanism, the device allows for easy extension of a movable plate to the outside by pushing a baffle, enabling medical personnel to easily locate the medicines and medications stored in the storage cavity, thus accelerating work efficiency and improving the flexibility of the device. Furthermore, the structural design of the temperature control device allows the device to adjust the working status of the refrigeration, heating, humidification, and dehumidification devices based on real-time temperature and humidity feedback within the storage cavity, achieving precise control of the temperature and humidity within the storage cavity. Simultaneously, it allows for the preset temperature threshold within the storage cavity; when the temperature inadvertently exceeds the set threshold, an alarm can be activated to alert medical personnel, facilitating use.
Owner:THE FIRST AFFILIATED HOSPITAL OF MEDICAL COLLEGE OF XIAN JIAOTONG UNIV

Heating equipment for tussah cocoons

The utility model provides heating equipment for tussah cocoons, which comprises a gas circulating device, and the gas circulating device drives air in a silkworm cocoon storage chamber to circulate and / or the silkworm cocoon storage chamber and external air to exchange. A heating device is arranged, and the heating device is used for heating air flowing through the heating device and outputting the air into the silkworm cocoon storage chamber; a control unit is arranged, the control unit comprises a temperature sensor, the heating device is controlled to operate according to temperature data, captured by the temperature sensor, in the silkworm cocoon storage chamber, and the control unit further controls the gas circulation device to operate; the gas circulation device is provided with a box body, the box body is provided with at least one gas inlet, and the gas circulation device, the heating device and the control unit are connected to the box body. And automatic control of temperature and humidity in the tussah silkworm cocoon storage and incubation stages is realized.
Owner:毕丹妮

Centralized refrigeration distributed cooling system

The utility model provides a centralized refrigeration distributed cooling system. The centralized refrigeration distributed cooling system comprises a plurality of refrigerating units arranged at the mine mouth, a cold air pipe with one end connected to the refrigerating units and the other end extending into the main roadway and the mining area, and a multi-machine combined control system used for controlling independent operation and adjustment of the refrigerating units. The valves are connected to the cold air pipes and located in the mining areas, and the monitoring stations are arranged in the mining areas and used for monitoring environment data and regulating and controlling operation of the valves. According to the utility model, the problems of scattered mine underground operation places, complex terrains and diversified mining requirements, especially difficulty in ventilation and heat extraction of a single-end tunneling roadway without penetrating air flow can be solved.
Owner:HUNAN SFORDMAIDEN INTELLIGENT EQUIPMENT CO LTD +1

Hydrogen fuel cell humidifier

The utility model relates to the field of hydrogen fuel cells, in particular to a hydrogen fuel cell humidifier which comprises a core shell, a gas inlet shell cover located on the lower portion of the core shell and a gas outlet shell cover located on the upper portion of the core shell, the gas inlet shell cover is provided with a dry gas inlet, the gas outlet shell cover is provided with a dry gas outlet, and a hollow fiber membrane core is installed in the core shell. The core shell is provided with a wet gas outlet and a wet gas inlet, an independent closed bypass pipeline is arranged in the core shell, the dry gas outlet is communicated with the input end of the bypass pipeline in a sealed mode, the gas outlet shell cover is provided with a bypass outlet, and the output end of the bypass pipeline is connected with the bypass outlet in a sealed mode. And part of dry gas input from the dry gas inlet is independently output to the bypass outlet through the bypass pipeline. The bypass pipeline is optimized in the humidifier, so that the volume occupied by the bypass pipeline is greatly reduced, mounting pipelines and design interfaces are reduced, and the humidifier has a good effect in the aspects of improving the stability of the humidifier, accurately controlling the humidity and the like.
Owner:SHANDONG MOFANG NEW ENERGY TECH CO LTD

Fresh commodity distribution box

The invention belongs to the technical field of logistics distribution equipment, and provides a fresh goods distribution box which comprises an outer box body, an inner box body is arranged in the outer box body, and a box cover is hinged to the interior of an opening of the outer box body; the air inlet end of the fan assembly is communicated with the inner side of the inner box body; the temperature adjusting assembly comprises a temperature control part, and the air outlet end of the fan assembly communicates with the inner side of the inner box body through the temperature control part; the humidity adjusting assembly comprises a humidifying assembly and a dehumidifying assembly, a plurality of humidifying pipes are arranged on the inner side of the box cover, the air outlet end of the fan assembly communicates with the humidifying pipes through the humidifying assembly, and the air inlet end of the fan assembly communicates with the interior of the inner box body through the dehumidifying assembly; the air-conditioning fresh-keeping assembly comprises an air-conditioning generating device, the air outlet end of the fan assembly communicates with the air-conditioning generating device, and the air-conditioning generating device is used for adjusting the proportion of gas components in the inner box body. According to the invention, precise temperature control, humidity adjustment and long-term preservation can be carried out on fresh goods, and the delivery quality of the fresh goods is improved.
Owner:GUANGDONG OPEN UNIV (GUANGDONG POLYTECHNIC VOCATIONAL COLLEGE) +1

Concrete bridge deck collinear production line and production method

The invention belongs to the technical field of building material production, and provides a concrete bridge deck collinear production line and a production method.The production line comprises a shared prefabrication area, a steam curing area and a transport vehicle; the common prefabricating area is adjacent to the steam curing area; the steam curing area is provided with a plurality of areas; and the transport vehicle is arranged on the transport channel between the shared prefabrication area and the steam curing area. According to the whole process, high automation is achieved from stirring, pouring, stacking and curing to mold removal and finished product conveying, and the production efficiency is improved; in addition, through continuous operation of the stirring station and the pouring station and optimized layout of the stacking station and the curing area, the production efficiency is improved; the steam curing area is provided with a plurality of areas, and each area can be used for curing different concrete bridge decks, so that the production line can be used as a common production line of various types of concrete bridge decks, the adaptability of the production line to irregular bridge deck members is enhanced, and meanwhile, the economical efficiency is improved.
Owner:CHINA TIESIJU CIVIL ENGINEERING GROUP CO LTD +1

Constant temperature incubator for uniform heating of eggs

The utility model discloses a constant temperature incubator of even heated egg relates to egg hatching technical field. The utility model discloses an incubator body, and both sides of incubator body inner wall are fixed with the sliding slot, and the inside sliding connection of sliding slot has the slide, and the central fixed of two slides has the placing plate, and the surface of placing plate is opened a plurality of placing holes, and the fixed of installation strip of slide side away from placing plate has the installation shell, and the fixed of installation shell inside has the connector, and the fixed of cover plate of connector outside. The utility model discloses the effect of cover plate, in the device, the inside fixed of cover plate has a plurality of heating wires, can heat the egg on placing plate through the heat generated by heating wire, and the design of connector makes the installation and dismounting of cover plate and installation shell more convenient, through the cooperation of first spring and clamping block, can quickly fix or dismount cover plate, is convenient for the maintenance and replacement of heating wire.
Owner:FOSHAN NANHAI ZHONGQIN CO LTD +1

Soil sample dry-wet circulating device

The utility model discloses a soil sample dry-wet cycle device, and belongs to the technical field of soil layer characteristic tests. The soil sample dry-wet cycle device comprises a box body and a humidity and temperature monitoring part, a sample distribution plate is horizontally arranged in the box body, a plurality of soil sample positions are arranged on the sample distribution plate, a drying pipe and a water distribution part are arranged in the box body, a plurality of water distribution heads are arranged on the water distribution part, and the humidity and temperature monitoring part is arranged on the box body. The humidity and temperature monitoring part is used for monitoring the temperature in the drying chamber and the humidity of the soil sample at each soil sample position. The dry-wet circulating device for the soil sample integrates wetting and drying, so that the soil sample can be circularly wetted and dried for multiple times at the same time, the soil sample does not need to be transferred for multiple times, and the damage to the soil sample is reduced. By means of the humidity and temperature monitoring part, intelligent control over the humidity and temperature of the soil sample is achieved, drying of the soil sample at the specific temperature is achieved, and accurate control over the humidity of the soil sample can also be achieved.
Owner:LANZHOU UNIVERSITY OF TECHNOLOGY

A precast concrete component steam curing production line and steam curing method

The present invention discloses a steam curing production line and a steam curing method for precast concrete components. The production line is composed of a steam heat source machine system, a steam transmission pipeline, a mold platform, and a steam curing shed. The water is converted into dry steam by the steam heat source machine and distributed to various pipelines through the steam cylinder, and finally enters the steam curing shed of the production line. Each valve on the steam transmission pipeline controls the mold platform group separately, and the temperature and humidity are controlled by the steam curing shed and the temperature and humidity sensing probe. The temperature control during the curing process is divided into heating and then natural cooling, wherein the insulation time of each stage is strictly controlled, and the strength of the component is ensured to meet the specified requirements after the final natural cooling. The present invention saves energy, reduces consumption, reduces emissions and increases efficiency. The cost is low, the floor space is small, the site utilization rate is high, the operation flexibility is high, the curing effect is good, the demoulding time is shortened, the demoulding strength is improved, the production efficiency is improved, there is no crack on the surface of the component, and the utilization rate of thermal energy is high.
Owner:SHANDONG NUOYANG CONSTR TECH CO LTD +1

Device and method for measuring independent PM2.5 emission rates of different cooking activities

The invention relates to the technical field of indoor air pollution research, in particular to a device and method for measuring the independent PM2.5 emission rate of different cooking activities, the device comprises an operation table and a stove and a cooker supported by the operation table, the operation table is provided with a closed hood for closing the stove and the cooker, and the closed hood is provided with a hood door, a fan and a ventilation pipeline of the fan. The cover door is provided with an operation hole for experimenters to operate; the fan is positioned on one side of the top end of the enclosed hood to uniformly mix air in the enclosed hood; the ventilation pipeline is sequentially provided with a closed butterfly valve, a flowmeter, a fan and a ventilation opening at the top end of the closed cover; according to the invention, accurate measurement of the discharge amount of fine particulate matters in the cooking process can be effectively improved, and the defect of PM2.5 discharge monitoring of specific cooking activities in the prior art is overcome. According to the device and the method disclosed by the invention, the PM2.5 emission rate change in the cooking process can be monitored and recorded in real time, the instantaneous emission peak value and the overall emission trend are captured, and more detailed and accurate data support is provided for research and treatment.
Owner:KUNMING UNIV OF SCI & TECH

A moisture control drying apparatus

ActiveCN224593591UAccurately Control HumidityEfficient removalWater vaporProcess engineering
The utility model relates to raw material medicine production technical field, in order to solve how to effectively remove the crystallization water in raw material medicine in the drying process while retaining the crystallization water in raw material medicine, and not adopt negative pressure drying, and avoid the technical problem that the crystallization water content increases due to humidity is too high, the utility model discloses a kind of humidity control drying device, including humidification tank, mixing tank and hot air circulation oven, humidification tank has the first gas inlet of input nitrogen and the first gas outlet for output nitrogen, float flowmeter is equipped in the first gas inlet, and the first gas outlet is connected with mixing tank by pipeline;Mixing tank has the second gas inlet of input nitrogen and the third gas inlet connected with the first gas outlet, and adjusting valve controlled by PLC controller is equipped in the second gas inlet, and mixing tank is provided with second gas outlet;Hot air circulation oven has the air inlet connected with second gas outlet, and the moisture exhaust port for excluding water vapor.Precise control humidity, retain crystallization water, remove acetone.
Owner:SICHUAN XINDI PHARM CHEM CO LTD

Straw decomposing and recycling device

The utility model is applicable to the technical field of straw treatment, and provides a straw decomposing and recycling device which comprises a mounting seat, a decomposing box for straw decomposing and recycling is arranged on the mounting seat, and an electric heating pipe for heating is arranged in the decomposing box; the box cover is arranged at the top of the decomposing box; the auger is rotationally mounted in the composting box and is used for guiding and conveying the composted straws; the first motor is fixed on one side of the composting box; and an output shaft of the first motor is fixedly connected with a shaft rod of the auger. According to the straw decomposition recycling device provided by the scheme, the temperature and humidity of the decomposition environment can be accurately controlled, an ideal decomposition condition is provided for straw, and the problem that the current straw decomposition effect is unstable is solved.
Owner:YUNNAN NORMAL UNIV

Air-dried meat preparation device and method based on household refrigerator

The invention relates to an air-dried meat preparation device and method based on a household refrigerator. The air-dried meat preparation device based on the household refrigerator is used for being placed on a horizontal baffle of the household refrigerator or fixed in the household refrigerator for use; the air-drying device at least comprises an air-drying main machine, a supporting frame and an air-drying box, the supporting frame is detachably and fixedly connected with the top end of the air-drying box, the air-drying main machine comprises a main machine carrier, an air flowing device and an electric control device arranged on the main machine carrier, and the air flowing device faces the bottom end face of the main machine carrier; a humidifying device and a temperature and humidity sensor are arranged on the bottom end face of the host carrier; the air flowing device, the humidifying device and the temperature and humidity sensor are electrically connected with the electric control device. The temperature and humidity in the air-drying box can be accurately controlled, it is ensured that the air-drying condition is accurate, and the air-drying quality is improved.
Owner:耶胡达·阿里克·穆瓦亚尔

An intelligent plant climate chamber containing pest monitoring and killing

This application discloses an intelligent plant climate chamber in the field of intelligent plant climate chamber technology, which includes pest and disease monitoring and control. The climate chamber body includes a cultivation rack, a humidifier, a dehumidifier, a condenser, a heater, and a ventilation device. The cultivation rack comprises multiple layers of panels, each panel having a light source. Each panel is rotatably connected to a rotating ring that surrounds the light source. Each panel has a motor that drives the rotating ring. The inner circumference of the rotating ring is symmetrically fixed with arc-shaped blocks. The portion of the panel inside the rotating ring has four grooves facing the light source. Connecting rods are slidably connected to these grooves. Springs are provided between the connecting rods and the grooves. A semi-frame is located at the bottom of each connecting rod. The arc-shaped blocks on both sides alternately abut against the oppositely positioned connecting rods. By pushing the oppositely positioned connecting rods to slide, the semi-frames on both sides close together, surrounding and sealing the light source. This solution improves the pest control effect.
Owner:MOUTAI INST