32 results about "Evaporating dish" patented technology

The utility model discloses a vehicle-mounted refrigerator and a vehicle and relates to the technical field of vehicle-mounted equipment, the vehicle-mounted refrigerator comprises a box body, a refrigerating system and an evaporating dish, the box body is provided with a storage cavity, the refrigerating system is arranged in the box body and used for adjusting the temperature of the storage cavity, and the refrigerating system comprises an evaporator assembly; the evaporating dish is arranged on the box body, located below the evaporator assembly and used for collecting and evaporating defrosting water generated when the evaporator assembly defrosts, and a plurality of concave parts are formed in the bottom wall of the evaporating dish. According to the technical scheme, the volume and the defrosting evaporation area of the evaporation dish are increased, so that the problem that water accumulated in the evaporation dish is too much can be relieved, and the situation that when a vehicle bumps or the inclination degree is large, the water easily overflows to the storage space of the refrigerator, and the storage space is not occupied can be relieved. And articles stored in the storage space are damaged.

The utility model relates to the technical field of household appliances, in particular to a refrigerator. The door body is movably connected to the refrigerator body and is constructed to open and close the refrigeration chamber; the evaporation dish assembly is arranged at the bottom of the box body, the evaporation dish assembly comprises an evaporation dish used for collecting defrosting water, the evaporation dish is provided with an inserting groove located in the outer side of the bottom of the evaporation dish, and the inserting groove extends in the length direction of the evaporation dish or the width direction of the evaporation dish; and at least part of the evaporating pipe is inserted into the inserting groove in the extending direction of the inserting groove, so that at least part of the evaporating pipe is attached to the bottom of the evaporating dish. The service life of the evaporation pipe is prolonged, the bottleneck problem that the size of the evaporation pipe is not accurate is solved, and the installation stability of the evaporation pipe can be improved.

The utility model discloses a refrigerator, which comprises an evaporating dish which is arranged close to a compressor, an evaporating pipeline is arranged in the evaporating dish in a snakelike manner, the evaporating pipeline comprises an inlet section, a middle section and an outlet section, the inlet section is connected with the compressor, the outlet section is positioned above the middle section, and the tail end of the outlet vertically extends to be connected with an external piping; each vibration reduction block is provided with a vibration reduction body, a receding part and a clamping part, the receding parts and the clamping parts penetrate through the vibration reduction bodies in the length direction, and the evaporation pipelines penetrate through the receding parts and are clamped in the clamping parts; a vibration reduction block is arranged on the section, closest to the bottom wall of the evaporation dish, of the evaporation pipeline of the inlet section, so that the section of evaporation pipeline is isolated from the side wall face and the bottom wall face of the evaporation dish; and the other damping block is arranged on the middle section, so that the middle section is isolated from the bottom wall surface of the evaporating dish when the lifting outlet section is assembled with an external piping. The evaporation pipeline can be prevented from being in contact with the wall surface of the evaporation dish.

The invention provides a traditional Chinese medicine extract detection method, and relates to the field of extract detection. Comprising the following steps: S1, precisely weighing M1 g of a test sample, and adding the test sample into a conical flask; s2, adding 100 mL of an ethanol solution into the conical flask, and sealing the conical flask opening; s3, preliminarily shaking up the solution system in the conical flask, then fixing the conical flask on an oscillator, setting the oscillation time to be 6 hours and the frequency to be 120 Hz, and then standing for 18 hours; s4, filtering the solution system in the conical flask, and precisely measuring 20mL of filtrate; s5, drying the evaporation dish to constant weight, weighing the weight of the evaporation dish, and recording the weight as M4; adding the filtrate weighed in the step S3 into a dry evaporation dish, drying to constant weight, and recording as M5; and S6, calculating the content of the extract in the test sample. According to the detection method, the cost of inspection personnel is effectively reduced, the inspection efficiency is improved, personnel errors can be effectively reduced, and the time utilization rate of inspection is improved.

The utility model discloses an organic solvent evaporation device for fluorescence determination of food trace elements, which comprises a hot plate instrument, and the upper plate surface of an electric hot plate of the hot plate instrument is a hot plate surface of a heating evaporation dish; an air injection stirring pipe located above the electric hot plate is arranged on the hot plate instrument through a driving mechanism, the air inlet end of the air injection stirring pipe is connected with a hot air source supply system, the air outlet end of the air injection stirring pipe is in butt joint with an air distributor, and the air injection stirring pipe is driven by the driving mechanism to have a lifting motion state and a rotating motion state. In-out and rotary stirring relative to the evaporating dish are realized. According to the utility model, the air injection stirring pipe is arranged on the hot plate instrument to pneumatically stir a sample in the evaporation dish, so that the evaporation efficiency of an organic solvent in the sample can be effectively improved.

The invention discloses a method for determining salinity in coastal saline soil by adopting an ultrasonic extraction method. The method comprises the following steps: (1) determining optimal extraction parameters through experiments; (2) weighing the air-dried coastal salinized soil which is quantitatively sieved, putting the air-dried coastal salinized soil into a conical flask, and adding distilled water into the conical flask according to a water-soil mass ratio; (3) sealing the conical flask, and performing ultrasonic extraction treatment; (4) sucking 40 ml of the turbid liquid from the conical flask into a centrifugal tube, setting centrifugal parameters, and carrying out centrifugal treatment to prepare a clarified leaching solution; (5) accurately measuring an upper-layer clarified leaching solution from the centrifugal tube, evaporating the upper-layer clarified leaching solution to dryness in a ceramic evaporation dish, and continuously drying in a drying oven until the weight is constant; and (6) calculating the salt content in the coastal saline soil according to the mass of the dried residual solid. The method provided by the invention solves the problems of insufficient extraction and low separation efficiency of salt in the coastal salinized soil in a traditional method, and can rapidly and accurately measure the salt content in the coastal salinized soil.

The invention discloses an extract extraction device for drug inspection and detection and a use method of the extract extraction device. The device comprises a base body, a central column body and an extract extraction assembly, an inner cavity is formed in the base body, and an annular step is arranged in the middle of the periphery of the base body. The central cylinder is supported on the base body and is arranged in the inner cavity; each extract extraction assembly comprises a leaching cavity, a leaching basket, a heating table and a pipeline system; the leaching cavity is vertically formed in the central column body, an upper cover is arranged at the upper end of the leaching cavity, a liquid outlet is formed in the lower end of the leaching cavity, and a liquid inlet is formed in the middle of the leaching cavity; the leaching basket is arranged in the leaching cavity in a matched mode, and the leaching basket is fixedly connected with the upper cover through a connecting rod. The heating table is arranged on the annular step, and an evaporating dish is arranged on the heating table; the pipeline system comprises a liquid outlet pipe, a liquid return pipe, a liquid discharge pipe, a circulating pump, a first control valve and a second control valve. The leaching, filtering and evaporating steps of the extract can be automatically completed, so that the extraction efficiency of the extract is improved, and the extraction difficulty of the extract is reduced.

The application relates to a refrigeration device, which comprises a refrigeration system, a box body for bearing the refrigeration system, an evaporation dish arranged in cooperation with the refrigeration system and a water guide pipe communicated to the inside of the evaporation dish, the refrigeration system comprises a compressor, a condenser, a first capillary tube and an evaporator connected through a pipeline, characterized in that the refrigeration system further comprises a heating pipe connected at the outlet end of the compressor, a second capillary tube connected at the outlet end of the heating pipe, the pipeline comprises a first pipeline arranged in parallel with the second capillary tube between the heating pipe and the condenser, a second pipeline connected in parallel with the first capillary tube between the condenser and the evaporator, a first valve for controlling the conduction of one of the second capillary tube and the first pipeline, and a second valve for controlling the conduction of one of the first capillary tube and the second pipeline. The application can control the evaporation speed of defrosting water or condensing water according to the requirement, and prevent the overflow condition caused by excessive water accumulation.

The utility model discloses a water absorption performance detection device, and relates to the field of material detection. The detection cylinder is arranged on the evaporation dish, and the detection cylinder is divided into a plurality of detection spaces by partition plates; the mounting frame is arranged in the detection space in a sliding manner; the cylinder cover is arranged at the upper end of the detection cylinder, and a plurality of height adjusting units are arranged between the cylinder cover and each mounting frame; the heating device is arranged on the evaporation dish and is matched with different detection spaces in the detection cylinder through the height adjusting unit, so that the detection spaces with different sizes are formed in the evaporation dish, the detection humidity in different spaces is controlled, and the water absorption performance detection of a plurality of detection humidity in the same group is achieved; the heating temperatures of the thermal insulation material at different heights are different, and the influence of different temperature gradient effects on the water absorption performance is realized, so that the water absorption performance of the material is comprehensively judged.

The utility model relates to the technical field of refrigeration, in particular to a novel display cabinet with an air outlet structure, which comprises a refrigeration mechanism. The refrigerating mechanism comprises a mounting shell, wheels mounted on the lower surface of the mounting shell, a rear cover arranged at the right end of the mounting shell and a front cover located at the left end of the mounting shell, a compressor is mounted on the right side of the lower surface in the mounting shell, and an evaporating dish is mounted in the middle of the lower surface in the mounting shell; a condensation fan is mounted on the left side of the lower surface in the mounting shell, and a condenser is mounted at the left end of the lower surface in the mounting shell. The mode of bottom air return and layer-by-layer air supply through the air duct is adopted, the cross-flow fan is adopted, the air volume is increased, the installation space is reduced, and the problems that air supply in a traditional display cabinet is not uniform, the temperature measurement difference of different shelf layers is large, and the cooling duration is not synchronous are solved.

This invention discloses a refrigerator and its control method. A water level sensor is installed on the evaporating dish to detect the remaining water in its drip tray. When the remaining water in the drip tray exceeds a threshold, the compressor speed is reduced to extend its operating time, thus keeping the drip tray in a higher temperature environment for a longer period, thereby accelerating water evaporation. Furthermore, during normal use, condensate may mix with small food scraps and flow into the evaporating dish through the refrigerator's drain hole. Over time, dirt will accumulate in the evaporating dish, potentially causing odors. This invention addresses this by installing a filter at the water inlet of the evaporating dish to remove impurities, and simultaneously using a collection device to collect these impurities and promptly reminding the user to clean the collection device, thereby reducing refrigerator odors.

The invention provides a determination method of a temperature pre-control value, a temperature control method and device of an evaporating dish, electronic equipment and a medium. The method for determining the temperature pre-control value comprises the following steps that a heating slope K1, a first cooling slope K2 and a second cooling slope K3 are obtained, the heating slope K1 is used for representing the heating rate of an evaporation pan in a first stage, the first cooling slope K2 is used for representing the cooling rate of the evaporation pan in a second stage, and the second cooling slope K3 is used for representing the cooling rate of the evaporation pan in a third stage; the second cooling slope K3 is used for representing the cooling rate of the evaporating dish in the third stage; the current dropping liquid flow is obtained; and obtaining a temperature pre-control value of the heating tube according to the current dropping liquid flow, the temperature rise slope K1, the first temperature drop slope K2, the second temperature drop slope K3 and the preset flow Q.

The utility model belongs to tobacco equipment technical field discloses a kind of total amount determination devices of volatile component of tobacco essence and flavouring, including water bath, evaporating dish, sealing cover and pressure regulating assembly. Water bath is provided with sample to be measured, and water bath is provided with placement site, and evaporating dish is placed on placement site. Sealing space is formed in sealing cover, and evaporating dish is arranged in sealing space, and sealing space is communicated with water bath inside, that is, the pressure in sealing space is same with water bath inside. Pressure regulating assembly includes barometer and constant pressure valve, and barometer part is located outside sealing cover, and another part is inserted into sealing cover, to detect the pressure in sealing cover, and constant pressure valve is installed on sealing cover, and constant pressure valve can adjust the pressure in sealing cover. To ensure that the pressure in water bath is same, before detection, adjust constant pressure valve, and observe the pressure value shown by barometer simultaneously, and the pressure in sealing cover is adjusted to standard atmospheric pressure, then detection is carried out.

The utility model discloses diosmetin purification equipment which comprises a machine box, the machine box is divided into a spraying chamber and an evaporation chamber through a built-in partition plate, a shock excitation disc is arranged in an opening in the top of the spraying chamber, an outlet in the bottom face of the shock excitation disc is located in a disc opening of a filter disc, the bottom of the filter disc is connected with an inlet of a control valve through a bent pipe, and a valve body of the control valve is embedded in the partition plate. An outlet of the control valve is located above the evaporation dish, the evaporation dish is placed on a heater on the bottom surface of the evaporation chamber, an exhaust pipe in the evaporation chamber is communicated into an alcohol barrel, the alcohol barrel is connected with the input end of a circulating pump, and the output end of the circulating pump is connected with a shower located above the shock excitation disc; according to the equipment, coarse diosmetin can be dissolved in alcohol through the cooperation of the excitation disc and the shower head, the alcohol is filtered through the filter disc and then conveyed into the evaporation dish in the evaporation chamber to be evaporated and crystallized, the evaporated alcohol can flow back into the alcohol barrel to be repeatedly sprayed, and the equipment has the characteristics of energy conservation, emission reduction, easiness in operation and low pollution.

The invention provides a refrigerator with an evaporating dish arranged at the bottom. The refrigerator comprises a refrigerator body, the lower portion of the refrigerator body is provided with a compressor bin, and the compressor bin is located on the rear side of the refrigerator body; the heating device is arranged in the compressor bin, generates heat during refrigeration operation of the refrigerator, and comprises a compressor and a condenser; the evaporating dish is arranged below at least part of the heating devices and is configured to contain water discharged from the interior of the box body; and the water diversion extension piece is connected with the evaporation dish, extends forwards from the evaporation dish, and is configured to receive water discharged from the interior of the box body and discharge the water to the evaporation dish. The water diversion extension part extends the water receiving area of the evaporating dish, so that a longer water drainage pipe is prevented from being used, and the risk of unsmooth water drainage is reduced.

The problem to be solved by the present invention is to provide a small-scale non-contact evaporation measurement system and method for meteorological use, capable of measuring evaporation every minute 24 hours a day with accurate measurement results. The small-scale non-contact evaporation measurement system for meteorological use comprises an evaporating dish, a weighing device, a water supply device, and a drainage device. The evaporating dish is placed on the weighing device. A detachable inverted U-shaped siphon is mounted on the side wall of the evaporating dish. The inlet of the siphon is located above the bottom of the evaporating dish and is higher than the outlet. The water supply device's water supply port is located above the dish opening and does not contact the evaporating dish.

This utility model discloses an experimental apparatus for the research and development of TDI-HDI composite waterborne curing agents, belonging to the field of coatings. It includes an experimental platform equipped with a heating device, a separation device, and a collection hood. An evaporating dish is mounted on the heating device, and the collection hood covers the evaporating dish, with a collection tube installed on the collection hood. The separation device includes a condensation chamber and an isolation chamber located at the center of the condensation chamber. The isolation chamber and the condensation chamber form an inner cavity and an outer cavity, respectively. The other end of the collection tube passes upwards from the bottom of the isolation chamber and communicates with the inner cavity. At least one separation plate with uniformly distributed micropores is installed inside the inner cavity. This utility model can quantitatively analyze the volatile organic components in TDI-HDI composite waterborne curing agents.

This invention relates to the field of evaporation technology, specifically disclosing a precise water replenishment mechanism for an automatic monitoring system of evaporation during ice ages. The mechanism includes an evaporating dish, a device body, and a base. The evaporating dish is placed on top of the device body. A rotating plate is mounted on top of the base, and a movable plate is mounted on top of the rotating plate. A movable seat is mounted on one side of the movable plate, and a first water pipe is installed inside the movable seat. One end of the first water pipe is connected to a flexible hose, and the other end of the first water pipe is fitted with a housing. A second water pipe is installed inside the housing, and a guide plate is provided at the bottom of the second water pipe. Protective mechanisms are provided on both sides of the guide plate. In this invention, after the second water pipe replenishes water to the evaporating dish, the guide plate and the two extension plates work together to direct the dripping water away from the evaporating dish, preventing the dripping water from entering the evaporating dish and achieving precise water replenishment. This results in higher reliability of the evaporation test data.

The utility model discloses a steam generator. The steam generator comprises a main shell, a base fixedly arranged at the bottom of the main shell in a covering mode, an evaporation dish installed in the main shell, an opening formed in the main shell and opposite to the evaporation dish in position, and an evaporation cover arranged at the opening and used for guiding out steam generated in the evaporation dish. The evaporation dish is arranged in the main shell, the convex nozzle is fixed on the main shell and stretches into the bottom of the inner side of the evaporation dish, the separable water storage tank is arranged on the main shell, the water supplementing assembly is arranged between the water storage tank and the evaporation dish and used for guiding water in the water storage tank into the evaporation dish, and the control system takes a control circuit board as a core. Compared with the traditional technology only equipped with an evaporating dish, the steam generator provided by the utility model has the advantages that the function is more intelligent and safer, the application scene is widened, and the steam generator is not limited to a single application scene any more.

This invention relates to the field of refrigeration equipment technology and discloses a freezer, including a cabinet, an evaporator, and a self-evaporating assembly. The compressor chamber inside the cabinet houses a compressor, a condenser, and an evaporation connecting pipe. The self-evaporating assembly includes an evaporating dish and a water receiving pipe. The evaporating dish includes an outer shell and an inner shell. The inner shell is located within the outer shell, forming a first cavity between the inner side of the outer shell and the outer side of the inner shell. A second cavity is formed inside the inner shell, and an overflow port communicating with both the first and second cavities is located at a predetermined position within the inner shell. One end of the water receiving pipe collects condensate from the evaporator, and the other end communicates with the first cavity. The evaporation connecting pipe is spirally wound around the outer surface of the outer shell. The evaporating dish of this application has a two-layer structure. Condensate first flows into the first cavity of the outer layer for efficient evaporation, and excess condensate overflows into the second cavity of the inner layer for water-storage evaporation.

The utility model provides an automatic evaporation drying device for testing the total migration volume of food contact materials and products, which is characterized by comprising a frame module, a water bath evaporation drying module, a transmission module, a water replenishing module and an automatic control system module, the frame module comprises an evaporating dish storage frame and a water bath kettle body bracket; the water bath evaporation drying module comprises a water bath kettle body, a heating rod and a temperature sensing controller, and the heating rod and the temperature sensing controller are arranged in a cavity of the water bath kettle body; the transmission module comprises a mechanical arm gripper, a mechanical arm base and a ground sliding rail, the mechanical arm base is arranged on the ground sliding rail, and the mechanical arm gripper is arranged on the mechanical arm base; the water replenishing module comprises a water level monitor and a pure water supply pipeline, and the pure water supply pipeline is arranged in a cavity of the water bath kettle body; the automatic control system module comprises a setting module for setting the temperature in the water bath kettle and the taking and placing time of the evaporating dish; and the frame comprises a bottom foot support. The water bath kettle has the advantages that the water level monitor is arranged in the water bath kettle body, so that the constant temperature of the water bath can be kept after real-time water replenishing, and the labor of manual water replenishing is saved; the evaporating dish rack can be taken and placed through the mechanical arm gripper, and a plurality of evaporating dishes can be taken and placed at a time.

The embodiment of the invention belongs to the refrigerator technology, and provides a defrosting exception handling method of a refrigerator, the refrigerator, a storage medium and a program product, and the refrigerator comprises a door body, an evaporation assembly, a first sensor, a control device and an evaporation dish; the evaporation assembly comprises a compressor and a fan; the control device is used for responding to a first signal sent by the first sensor and starting a compressor and / or a fan of the evaporation assembly; under the condition that the operation duration of the compressor reaches the first duration, the compressor is closed; when the fan runs for a second time length and the first sensor detects that the water level in the evaporating dish exceeds a preset water level, alarm information about abnormal defrosting of the refrigerator is sent to a user terminal; the second duration is greater than the first duration. The possibility that defrosting water overflows due to the fact that defrosting abnormity is not found for a long time can be reduced, the intelligent processing capacity of the refrigerator is improved, and the use satisfaction degree of a user is improved.

The invention provides an evaporation end point automatic control system and a control method thereof. The evaporation end point automatic control system comprises a sample table, a weighing module, a heating module and a control module. The sample table is provided with a plurality of spaced thermal evaporation areas; the weighing module is arranged in the sample table and is used for monitoring the weight of a sample solution in an evaporation dish in a thermal evaporation area in real time and providing accurate data support for end point judgment; the heating module is arranged in the sample table and is used for heating a sample solution in a targeted manner and providing energy for an evaporation process; the control module is in communication connection with the heating module and the weighing module and used for adjusting the heating temperature, receiving the weight data and automatically stopping heating when the weight of the sample solution is lower than the target weight, and finally automatic control over the evaporation process is achieved. And an efficient and reliable technical support is provided for liquid evaporation related experiments or production scenes.

The application provides a refrigerator and a defrosting control method thereof. The refrigerator comprises an evaporator, a defrosting device, a first evaporation dish and a second evaporation dish. The defrosting control method comprises: starting the defrosting device at a preset time period to defrost the evaporator and make defrosting water dropped from the evaporator to the first evaporation dish; continuously detecting a liquid level value of the first evaporation dish; judging whether a high liquid level event that the liquid level value of the first evaporation dish is higher than a first liquid level threshold value occurs; in the case that the high liquid level event occurs, turning on a flow path of the first evaporation dish to the second evaporation dish and recording a current turning-on time; and determining the preset time period according to a turning-on interval time length between the current turning-on time and a previous turning-on time. The defrosting control method can timely adjust the defrosting period according to the defrosting condition of the evaporator, meet the defrosting demand of the evaporator, save energy, has high practicability and is easy to popularize.

The utility model relates to the technical field of water vapor diffusion devices, and discloses a water vapor diffusion device for asphalt mixture testing, which comprises a testing box body, a control equipment cavity and a water vapor diffusion cavity are arranged in the testing box body, and a main controller and a chemical power supply are arranged in the control equipment cavity. Interaction equipment electrically connected with the main controller is arranged at the upper part of the test box body, the water vapor diffusion cavity penetrates through the opposite side surfaces of the test box body, a sliding movable bottom plate is arranged at the bottom in the water vapor diffusion cavity, and the upper surface of the movable bottom plate is fixedly connected with two symmetrical side surface sealing plates and a middle partition plate located between the two side surface sealing plates. According to the asphalt mixture moisture diffusion testing device disclosed by the utility model, the two groups of evaporation vessels are arranged, so that moisture diffusion testing can be circularly carried out on the asphalt mixture, the asphalt mixture is tested while the tested evaporation vessels are cleaned and the asphalt mixture to be tested is added, and the moisture diffusion testing efficiency of the asphalt mixture is further improved.

The utility model provides a traditional Chinese medicine extract collecting and evaporating pan. The traditional Chinese medicine extract collecting and evaporating pan comprises an evaporating pan body, a connecting cover, a tripod and a collecting bottle, the evaporating dish body is placed on the tripod, and the connecting cover is mounted at the top of the evaporating dish body. According to the traditional Chinese medicine extract collecting and evaporating pan provided by the utility model, through the complete cambered surface design of the bottom of the evaporating pan body, the evaporating pan body can be conveniently heated, and the heating is more uniform; during evaporation, the connecting cover covers the top of the evaporation dish body, so that heat loss can be reduced, temperature accumulation can be quickly carried out, and the heating time is shortened; after evaporation is finished, the handle is held to turn over the evaporation dish body, so that the connecting cover can be inverted to serve as a funnel, the through groove is inserted into a bottle opening of a collecting bottle, then the whole evaporation dish body is placed on the collecting bottle, the traditional Chinese medicine extract in the evaporation dish body can be collected, and use is more convenient.

The utility model relates to the technical field of refrigerator accessories, and provides a refrigerator evaporating dish which comprises an evaporating dish body, the evaporating dish body is provided with a buckle which has elastic deformation and is used for fixing a power line, the buckle with the elastic deformation is combined with the evaporating dish body, and the fixing effect and safety of the power line are remarkably improved. The buckle realizes quick mounting and dismounting of the power line through elastic deformation of the buckle, avoids the defect that a traditional clamping groove is poor in adaptability to the line diameter, can be compatible with power lines of different specifications, does not need to additionally design various buckle structures, and reduces the production cost. And due to the design of the elastic buckles, a user can release the power line easily during cleaning or maintenance, the evaporation pan body and the power line do not need to be disassembled at the same time, and the operation process is simplified. In addition, the buckles are integrated on the evaporating dish body, the space of the side wall of the evaporating dish is fully utilized for cable management, the problem of disorder caused by external arrangement of a power line is avoided, the space layout of a compressor cabin is optimized, and potential safety hazards are eliminated.

The invention relates to the technical field of intelligent ventilation, in particular to an intelligent ventilation method and system for a laboratory. Judging a temporary evaporating dish; judging an abnormal evaporating dish; determining an exception type; adjusting the rotating speed; and correcting the rotating speed and adjusting the parameter threshold. The method comprises the following steps: acquiring key parameters in each evaporating dish to be detected on a heating plate in real time, judging a temporary evaporating dish according to the number of bubbles and a threshold value, further screening key evaporating dishes by combining a bubble rupture rate and a steam turbulence intensity, and then determining an abnormal evaporating dish according to the steam turbulence intensity and a gas diffusion rate. Adjusting the rotating speed of the fan based on the position, the number and the rupture rate, correcting the adjusted rotating speed according to the gas concentration, and finally adjusting a threshold value according to the gas diffusion rate and the rupture rate of the abnormal evaporation dish. The problem of energy waste caused by low abnormal recognition accuracy and untimely ventilation due to excessive dependence on single data is effectively solved.

The utility model provides a multifunctional salt blocking agent effect testing device which comprises a constant-temperature water bath box, and anti-skid seats are fixed on the periphery of the lower end of the constant-temperature water bath box through bolts; a control panel is embedded in the front side of the surface of the constant-temperature water bath box, and a display, keys and knobs are electrically connected to the control panel; an evaporating dish structure is placed in the constant-temperature water bath box; a movable observation frame structure is fixed on the surface of the upper side of the constant-temperature water bath box and is characterized in that the movable observation frame structure comprises a connecting plate, and an electric sliding table is embedded in the connecting plate; and a movable plate frame structure is arranged between the electric sliding tables. Through the arrangement of the movable observation frame structure, the salt crystallization state (such as particle size and splashing or not) and the inhibition effect of a salt blocking agent on the crystallization process can be shot and observed, and are transmitted to a computer for clear observation, so that the definition of an observation part is increased, and the test accuracy is improved.