653results about How to "Avoid condensation" patented technology

The invention relates to the field of automatic control, in particular to a humidity control method and system for a switch cabinet, and the method comprises the steps: obtaining the temperature values and humidity values of a plurality of time points in the switch cabinet, and calculating the dew point temperature in the switch cabinet based on the temperature value and humidity value of a high-temperature region at the current moment. In consideration of unbalanced temperature distribution in the switch cabinet, whether condensate water is generated in the low-temperature area is mainly considered, and the temperature of the low-temperature area is mainly influenced by the heat transfer effect of the high-temperature area and the environment where the low-temperature area is located. Therefore, the temperature range of the low-temperature region is estimated on the basis of a pre-constructed temperature distribution model, the temperature value of the high-temperature region, and the ambient temperature. And determining whether the temperature of the low-temperature area is lower than the dew point temperature or not through trend analysis and dew point temperature comparison. And if the possibility exists, the water vapor condensation risk is speculated to exist. When water vapor condensation risks exist in the low-temperature area of the switch cabinet, the dehumidification module is controlled to dehumidify the interior of the switch cabinet, and water vapor condensation is avoided.

The utility model discloses a range hood, belongs to the technical field of household appliances, and is designed for solving the problems that oil stains condensed in an area below a panel are exposed after a smoke barrier of the existing range hood is closed, and the like. The utility model discloses a range hood which comprises a smoke collecting cavity assembly, a panel, a smoke baffle and a smoke inlet cavity, and the smoke baffle can open and close the smoke inlet cavity; after the smoke baffle is opened, a non-smoke-inlet area is formed between the smoke baffle and the panel, the range hood further comprises an oil baffle assembly, and the oil baffle assembly can at least partially prevent oil smoke from entering the non-smoke-inlet area. The range hood disclosed by the utility model comprises the oil baffle assembly, so that the amount of oil smoke entering a non-smoke-inlet area can be greatly reduced, oil dirt is prevented from being condensed in an area below the panel, the problem that the oil dirt condensed in the area below the panel is exposed after a smoke baffle of an existing range hood is closed is solved, and the cleanliness of the appearance of the range hood is improved.

The invention relates to the field of vacuum coating, in particular to a crystal hot-fix rhinestone vacuum coating device and a crystal hot-fix rhinestone vacuum coating process. The invention aims to solve the technical problem that the coating quality is reduced in the next coating process due to the fact that original coating materials are easy to accumulate and remain on the surface and in the heating container in the long-term high-temperature state and coating process of the heating container. In order to solve the technical problem, the vacuum coating device for the crystal ironed diamonds comprises a main box body, vacuum equipment is arranged at one end in the main box body, the vacuum equipment comprises a tank body, a plating material evaporation device is arranged in the tank body, the plating material evaporation device comprises a fixing column, the bottom of the fixing column is fixedly connected with the tank body, and the bottom of the fixing column is fixedly connected with the tank body. Threads are arranged outside the lower ends of the fixing columns. The evaporation disc can be replaced through the coating material evaporation device, and the replaced evaporation disc is cleaned, so that the phenomenon that the previous coating raw materials are easy to remain and accumulate around the evaporation disc in the long-term coating process is avoided.

The utility model relates to the field of plastic particles, in particular to a plastic particle stirring device with a scattering structure. The technical problem that plastic particles are moist, so that the plastic particles are adhered or caked during discharging, and the feeding smoothness is affected is solved. According to the technical scheme, the plastic particle stirring device with the scattering structure comprises a stock bin, a conveying channel, an extruder, a feeding hopper and the like; the stock bin is provided with a conveying channel; the conveying channel is connected with an extruder; the upper side of the stock bin is fixedly connected and communicated with a feeding hopper, and a valve is arranged between the stock bin and the feeding hopper. Plastic particles in the feeding hopper are stirred through the stirring plate, the plastic particles bonded together are stirred and scattered, hot air is blown out of the first air blowing pipe, the plastic particles in the feeding hopper are heated and air-dried, water vapor in the plastic particles is removed in cooperation with stirring of the stirring plate, and the plastic particles are dried.

The invention provides a monitoring method and device of a switch cabinet, and relates to the technical field of switch cabinets. The main purpose is to automatically, timely and accurately judge the abnormal time of temperature and humidity data in the switch cabinet when the switch cabinet is in a low-temperature environment, and then adjust and control the switch cabinet. According to the technical scheme, a humidity adjusting instruction is obtained, wherein the humidity adjusting instruction is used for adjusting humidity data in the switch cabinet when the switch cabinet is in a low-temperature environment; according to the humidity adjusting instruction, multiple sets of environment temperature data and infrared images continuously collected in the switch cabinet in a preset period are obtained, wherein the infrared images have the temperature of components in a target switch cabinet to be monitored; determining a temperature change trend in the switch cabinet according to the multiple groups of environment temperature data and infrared images; predicting whether components in the target switch cabinet have safety risks or not by using the temperature change trend; if yes, the temperature and humidity adjusting device is started.

The invention provides an electric control cabinet heating and dehumidifying control method, which comprises the following steps: after power-on initialization of an electric control cabinet is completed, acquiring a first temperature value and a power-off time difference in the electric control cabinet, and heating the electric control cabinet and starting control power-on according to the first temperature value and the power-off time difference in the electric control cabinet; acquiring a first humidity value in the electric control cabinet, and dehumidifying the electric control cabinet according to the first humidity value; a second temperature value and a second humidity value in the electric control cabinet are obtained, and if the second temperature value and the second humidity value are both larger than the preset values, the electric control cabinet executes the starting program. According to the invention, the problem of unstable operation of the electric control cabinet in a low-temperature and high-humidity environment in the prior art is solved.

The invention discloses a sand mixing machine with adjustable sand output flow rate, which relates to the field of sand mixing, and comprises a bottom plate, the top of the bottom plate is evenly provided with supporting feet, the top of the supporting feet is fixedly connected with a placing platform, the top of the placing platform is fixedly connected with a sand mixing bin, the inner wall of the sand mixing bin is rotatably connected with a sand grinding mechanism, the top of the sand mixing bin is fixedly connected with a lower slide plate, the bottom of the sand mixing bin is fixedly connected with the sand output mechanism, the outer surface of the sand mixing bin is fixedly connected with an auxiliary mechanism, the end of the bottom plate close to the sand output mechanism is fixedly connected with a sand collecting plate, the top of the bottom plate is fixedly connected with a main motor, the output end of the main motor is fixedly connected with a speed changing device, after the sand and stone raw materials are poured into the sand mixing bin, the main motor will drive the sand grinding mechanism to rotate through the speed changing device, and then mix the raw materials, and the rotation will stop after mixing for a period of time, at which time the auxiliary mechanism will turn over the raw materials, and finally the raw materials will flow into the sand collecting plate through sand output.

The invention relates to the field of photovoltaic power generation, in particular to a photovoltaic power generation power distribution cabinet which comprises a cabinet body, the cabinet body is provided with a containing space used for installing electric appliance elements, and two opposite side faces of the cabinet body are provided with a first fan, a first filter plate, a second fan and a second filter plate. The rotation directions of the first fan and the second fan are opposite; a humidity detector is installed in the containing space, the humidity detector is electrically connected with the first fan and the second fan, and when the humidity in the containing space reaches a preset value, the humidity detector controls the first fan and the second fan to rotate reversely. By means of the mode, water vapor in air can be filtered through the first filter plate, meanwhile, water vapor in the second filter plate is blow-dried, and it is ensured that the humidity in the cabinet body is maintained within a reasonable range through reciprocating circulation.

The invention discloses a control method and device of an energy storage system, the energy storage system, a storage medium and a computer program product. A liquid cooling machine in the energy storage system is used for cooling a battery module; the method comprises the following steps: when a control instruction of a battery module is to start charging or discharging, determining the advanced starting time of the liquid cooling machine according to the set charging power or discharging power of the battery module, then controlling the liquid cooling machine to start, and after the running time of the liquid cooling machine reaches the advanced starting time, controlling the battery module to start charging or discharging; and when the control instruction of the battery module is to stop charging or discharging, the advanced shutdown time of the liquid cooling machine is determined according to the current charging power or discharging power of the battery module, then the liquid cooling machine is controlled to stop, and after the shutdown time of the liquid cooling machine reaches the advanced shutdown time, the battery module is controlled to stop charging or discharging. According to the scheme, the accuracy of temperature control of the battery module can be improved, condensation of the battery module is avoided, and the safety of the energy storage system is improved.

The invention relates to the technical field of heat dissipation of energy storage battery cabins, and provides a liquid cooling type energy storage battery cabin anti-condensation system, which comprises an energy storage battery cabin in which a plurality of energy storage batteries are arranged; the liquid cooling pipeline structure is arranged on the periphery of the energy storage battery; and the plurality of condensate water collectors are respectively connected with the liquid cooling pipeline structure, a cold plate in the condensate water collectors is refrigerated through a liquid cooling machine to form a cold surface, and the condensate water is collected on the surface of the cold plate and then is discharged out of the energy storage battery cabin through a drain pipe. According to the invention, the plurality of condensate water collectors are added on the liquid cooling pipeline, when the humidity in the battery compartment is too high, the liquid cooling machine is started for refrigeration, the low-temperature effect generated during refrigeration of the liquid cooling machine is utilized, water vapor in the air is condensed through the condensate water collectors, condensation is actively formed and collected and converged, and the condensed water is discharged out of the compartment along the condensation and convergence pipeline; the purposes of actively reducing the air humidity in the battery cabin and preventing condensation are achieved.

The present invention discloses a filter for dusty oil and gas, comprising a cylinder, the top of which is connected to a top cover, the bottom of which is connected to a cone, a first bypass port and a second bypass port are provided on the top cover and the cylinder, the two are connected through a pipeline to form an external passage, and a bypass valve is provided on the pipeline; a plurality of filter elements are provided in the cylinder; a first heating component and a second heating component are provided on the outer wall of the cylinder and the cone. The filter of the present invention, under the joint action of the heating component and the external passage, can not only ensure that the interior of the cylinder and the cone always maintains a relatively high temperature, but also can timely dredge the filter element during operation, thereby achieving effective separation of dust and oil and gas, and effectively avoiding abnormal phenomena such as negative pressure inside the filter, having the advantages of high processing efficiency, good filtering effect, low maintenance cost, high safety, long service life, etc., can effectively remove dust in the oil and gas when used for filtering dusty oil and gas, has high use value, and good application prospects.

The invention relates to an automatic storage and retrieval system and a method of using the same. The system includes a wall separating the storage system into a first space and a second space, a tunnel extending through the wall, and a partition vehicle movably disposed within the tunnel. The tunnel may be configured to allow the storage container to be transported between the first space and the second space.

The invention relates to semiconductor processing equipment and a solid precursor conveying system and method thereof, the solid precursor conveying system comprises a solid precursor source, an inert gas source and a temperature control module, the temperature control module comprises a gas storage tank arranged in a heating box, inert gas is pre-filled into the gas storage tank, then a gaseous precursor is filled into the gas storage tank, and the inert gas source and the temperature control module are connected with the gas storage tank. And then continuously filling inert gas into the gas storage tank to enable the mixing proportion of the gaseous precursor and the inert gas in the gas storage tank to reach a preset proportion, and finally conveying the mixed gas into a processing cavity of the semiconductor processing equipment. The gas precursor and the inert gas are mixed through three-section pressurizing, the conveying amount of the gas precursor can be accurately controlled, the inert gas is used for diluting the gas precursor, condensation of the gas precursor can be effectively prevented, and the temperature of the heating box can be greatly reduced; the valve, the pressure gauge and other devices in the heating box are prevented from being damaged by high temperature, and the gaseous precursor is prevented from corroding the inner wall of the pipeline at high temperature to cause particle pollution.

The invention belongs to the technical field of sewage treatment, and particularly discloses a rail transit sewage comprehensive treatment and recycling system which comprises a filtering tank, a tank cover is arranged at the top of the filtering tank, a sewage pipe is arranged on one side of the top of the tank cover, a water inlet pipe is connected to one side of the sewage pipe and located on the top of the tank cover, and a drainage pipe is arranged at the bottom of the filtering tank. A backwashing structure is arranged between the water inlet pipe and the sewage pipe and located on one side of the filtering tank; one end of the water inlet pipe penetrates through the tank cover, extends to the top of the filtering tank and is fixedly provided with a water distributor. A mounting block and a stirring rod rotate in opposite directions, so that a walnut shell filter material in the mounting block can be fully stirred, the walnut shell filter material can be uniformly overturned under the action of a flow guide block, impurities and oil stains are prevented from being condensed on the surface of the walnut shell filter material, and the cleaning effect is improved along with discharge of cleaning water. The phenomena of material leakage and blockage of a circulation loop are not easy to cause, so that the overall filtering speed and filtering effect of the sewage are convenient to improve.

The invention relates to an electric heat tracing type liquid cargo conveying hose which is composed of an inner layer, an outer layer and an electric heat tracing layer between the inner layer and the outer layer, the inner layer is composed of an inner rubber layer, a pressure-bearing framework and a static electricity conducting copper wire, the pressure-bearing framework is arranged between the inner rubber layer and the electric heat tracing layer, and the static electricity conducting copper wire is arranged on the pressure-bearing framework; the electric heat tracing layer is composed of heat tracing cables and filler, the heat tracing cables are spirally wound in the pipe body, and the filler is filled between the heat tracing cables after the heat tracing cables are wound and fixed; the outer layer is composed of a protective adhesive tape layer and an outer adhesive layer arranged outside the protective adhesive tape layer. The constant-power heat tracing cable is wound in the pipe wall, when liquid is conveyed, the hose is heated through the heat tracing cable, a certain temperature is kept in the pipeline, and the condensation phenomenon occurring when the liquid is conveyed in a low-temperature environment is prevented.

The invention discloses a ship navigation signal lamp with anti-freezing and anti-fog functions, and relates to the technical field of signal lamps, the ship navigation signal lamp comprises a base, the base is fixedly connected with a fixing frame, the fixing frame is fixedly connected with a heat collecting ring, a lamp wick is fixedly connected between the fixing frame and the heat collecting ring, and the fixing frame is fixedly connected with a lampshade. According to the signal lamp, in an environment with relatively low temperature or humidity, the air inlet is automatically and locally closed through the opening and closing plate, and the opening of the air inlet is reduced, so that entering of cold air is reduced; heat generated when the inner lamp wick works is gathered by the heat collecting ring and then sequentially passes through the gap between the lampshade and the heat conducting frame and the gap between the lampshade and the pressurizing ring to be guided to the outer wall of the lampshade in an accelerated mode, the outer wall of the lampshade is prevented from being frozen or condensed fog water while heat dissipation is conducted, a heat source is saved, and meanwhile heat dissipation efficiency is improved. The accelerated hot air flow can blow water flow on the lampshade wall downwards, the water flow is accelerated to flow downwards, and the light transmission of the lampshade is guaranteed.

The invention discloses cement bulk equipment and method based on variable discharging, and relates to the technical field of cement bulk, the cement bulk equipment comprises a cement storage warehouse, a feeding assembly is arranged at a discharging port of the cement storage warehouse, the feeding assembly comprises a feeder, and an auxiliary discharging assembly is arranged in a discharging inclined hopper; the top end of the telescopic sleeve is connected with the bottom of the elbow discharger, the bottom face of the telescopic sleeve is fixedly connected with a bulk head, and a vibration discharging assembly is arranged on the top face of the bulk machine platform. The cement bulk equipment and method based on variable discharging have the advantages that caked cement is crushed, blockage in the bulk process is avoided, the discharging speed is adjusted and controlled in real time according to actual needs, different use requirements are met, the cement is pushed in an auxiliary mode in the bulk process, and the cement bulk efficiency is improved. And meanwhile, the inclined discharging hopper vibrates, cement blockage is avoided, and the bulk cement quality and efficiency are guaranteed.

The utility model discloses a quantitative dough partitioning device, and relates to the technical field of dough partitioning, the quantitative dough partitioning device comprises a box body, the box body is internally provided with a stock bin, the right end of the stock bin is fixedly provided with a first electric telescopic rod, the output end of the first electric telescopic rod is fixedly connected with a push plate, and the front part of the box body is fixedly provided with a discharge structure. According to the quantitative dough partitioning device disclosed by the utility model, under the action of the discharging structure, the first electric telescopic rod pushes the push plate to slide towards the direction of the discharging plate, so that dough is extruded out of the discharging bin through the discharging plate, then the second electric telescopic rod is started, and the second electric telescopic rod drives the scraper to slide towards the discharging hole of the discharging plate; the effect of adjusting the size of a discharging opening of a discharging plate can be achieved by oppositely sliding the two limiting plates in a staggered mode, then the shape and size of the dough can be adjusted according to the actual use condition, and the practicability of the quantitative dough partitioning device is improved.

The invention relates to the technical field of aircrafts, in particular to an electrified cleaning method and device for a high-voltage transmission line, and is used for cleaning the high-voltage transmission line. The method comprises the steps of determining an optimal receiving angle range of a cable through laboratory analogue simulation, obtaining wind speed and wind direction data above and below the cable in real time, establishing a simulation model to simulate changes of working parameters of an unmanned aerial vehicle under different wind speeds and wind directions, and outputting the working parameters of the unmanned aerial vehicle in the optimal receiving angle range to execute cleaning operation. And the cleaned cable is subjected to drying treatment. According to the method, double-machine collaborative operation is adopted, cleaning of the two sides of the cable can be completed through one-time flight, and the cleaning efficiency is greatly improved. Meanwhile, through analogue simulation and real-time data adjustment, effective coverage of the cleaning agent is ensured, generation of condensation or ice crystal effect is reduced, and cleaning quality and safety are improved. The method has remarkable technical advantages and application prospects, and a new solution is provided for electrified cleaning of power equipment.

The invention relates to the technical field of heating, ventilation and air conditioning, in particular to a heating, ventilation and air conditioning drive control panel heat dissipation system and a control method thereof. A water cooling heat exchanger is connected with a water inlet pipe and a water outlet pipe, a water flow switch is arranged on the water inlet pipe, a temperature sensor is arranged on a drive control panel, and one side of the drive control panel abuts against a heat dissipation pipeline; one end of the heat dissipation pipeline is communicated with the water inlet pipe, the other end of the heat dissipation pipeline is connected with the variable frequency water pump, part of cold water in the water inlet pipe is conveyed into the heat dissipation pipeline through the variable frequency water pump to conduct heat dissipation on the IPM module of the driving control panel, the heat dissipation capacity is improved, and the performance of the system is improved; the operation frequency of the variable frequency water pump is controlled according to the real-time temperature of the IPM module, then the heat dissipation effect of the heat dissipation pipeline is adjusted, it is guaranteed that the real-time temperature of the IPM module is kept within the set target temperature range, the condensation phenomenon is prevented, the reliability is improved, and the service life of equipment is prolonged.

The utility model provides a water reducing agent drying device which comprises a box body, an air supply mechanism, an exhaust mechanism, a blowing mechanism and a liquid supply mechanism, the blowing mechanism is arranged on the side wall of the box body, the blowing mechanism is connected to the box body in a pitching rotation mode, the inlet end of the blowing mechanism is arranged outside the box body, and the outlet end of the blowing mechanism extends into the box body; the outlet end of the liquid supply mechanism is communicated with the inlet end of the injection mechanism, and the outlet end of the air supply mechanism is communicated with the inlet end of the injection mechanism; the first end of the exhaust mechanism communicates with the box body, and the second end of the exhaust mechanism communicates with the outside. When sprayed water reducing agent fog drops are settled to the bottom of the box body and are not completely dried, the angle of the spraying and blowing mechanism relative to the box body is adjusted, so that the spraying and blowing mechanism sprays mist and hot air obliquely and upwards, the retention time of the water reducing agent fog drops in the box body is prolonged, and the water reducing agent fog drops are completely dried into water reducing agent powder.

A semiconductor processing device and a solid precursor delivery system and delivery method thereof. The solid precursor delivery system includes a solid precursor source, an inert gas source and a temperature control module. The temperature control module includes a gas storage tank arranged in a heating box. The gas storage tank is first pre-filled with an inert gas, and then a gaseous precursor is filled into the gas storage tank. Then, the inert gas is continuously filled into the gas storage tank, so that the mixing ratio of the gaseous precursor and the inert gas in the gas storage tank reaches a predetermined ratio, and finally the mixed gas is delivered to a processing chamber of the semiconductor processing device. The gaseous precursor and the inert gas are mixed by three-stage pressurization, so that the delivery amount of the gaseous precursor can be accurately controlled. The gaseous precursor is diluted with an inert gas, which can effectively prevent the gaseous precursor from condensing, and can also significantly reduce the temperature of the heating box, preventing valves and pressure gauges located in the heating box from being damaged by high temperature, and preventing the gaseous precursor from corroding the inner wall of the pipeline at high temperature to cause particle pollution.

The invention discloses a gas insulated ring network cabinet and a heat dissipation method thereof, and relates to the technical field of ring network cabinets. The heat dissipation structure comprises a heat dissipation component, and the heat dissipation component comprises a heat conducting plate and a heat insulation cover. An air suction pipe is arranged inside the heat insulation cover, an air inlet pipe is arranged on the top of the air suction pipe, a U-shaped tube is arranged on the bottom of the air suction pipe, an exhaust pipe is arranged at one end of the U-shaped tube, and a fan is installed on the exhaust pipe. The invention enables the air inlet pipe to generate suction through the fan, and external air enters the cabinet top through the air inlet port. In the process of being transported to the exhaust end through the air suction pipe, the high-temperature gas in the heat insulation cover is brought out to the outside by using the air suction head. In this process, the external air enters the air suction pipe only through the air inlet port and the air inlet pipe to dissipate heat and cool down the inside of the heat insulation cover, and the exhaust end is discharged to the outside through the heat dissipation hole, so that the gas insulated ring network cabinet dissipates heat and cools down at a specific inlet and a specific outlet, and moisture or impurities in the environment are prevented from condensing and accumulating inside the ring network cabinet. Pollution.

The invention relates to the technical field of waste gas sampling, in particular to a fluoride-containing waste gas detecting and sampling device which comprises a fixing ring. The device further comprises a heat-conducting ring, a placing ring and the like. The fixing ring is fixedly connected with a heat conduction ring made of heat conduction materials, and the heat conduction ring is located on the inner side of the external chimney. The fixing ring is fixedly connected with a containing ring, the containing ring is fixedly connected with the heat conduction ring, and the containing ring is made of heat conduction materials. The two sampling barrels and the two inner rings are arranged inside and outside, the inner rings are located on the inner sides of the corresponding sampling barrels, the temporary storage groove is jointly formed in the area between the two sampling barrels, and after sampling is completed, the inner rings rotate to enable the sampling holes and the round holes to be staggered, so that part of high-temperature waste gas is reserved in the temporary storage groove; furthermore, the high-temperature waste gas in the temporary storage tank is used for preserving heat of the waste gas sample collected in the sampling barrel on the inner side, so that the heat preservation effect on the waste gas sample is improved.

The invention discloses a ventilation and humidification system and an air conditioning system with the ventilation and humidification system, and relates to the technical field of air conditioning, the ventilation and humidification system comprises a main control module, an air treatment unit, a water supply unit, an indoor air supply module, a sensor detection module, a fresh air pipeline module and a return air pipeline module; the master control module is used for monitoring indoor environment data in real time, dynamically adjusting the operation state of each module according to environment change, and providing real-time display of the current temperature and humidity state and system operation parameters. Air is humidified through the humidifying curtain in the air treatment unit, the indoor air supply module is matched to uniformly supply the treated air into a room to achieve uniform indoor air circulation, regional dryness or over-humidity is avoided, indoor and outdoor environment data and equipment states are collected and monitored for analysis, and the indoor and outdoor environment data are analyzed. Accurate environment monitoring is achieved, system adjustment requirements are fed back in time, excellent ventilation and humidification effects are achieved, and the requirement for article storage or production technology with strict humidity requirements is met.

The invention discloses an electric control module assembly, a glue pouring method, an outdoor unit and heating and ventilation equipment, the electric control module assembly comprises an electric control module and a heat dissipation component, the electric control module comprises an electric control box body and an electric control assembly arranged in the electric control box body, the electric control assembly comprises an electric control board and a plurality of components arranged on the electric control board, and the components are arranged in the electric control box body. The heat dissipation part is used for dissipating heat of the electric control module. Wherein the electric control box body is internally provided with an isolation structure, and the isolation structure wraps the outer surfaces of the plurality of components, so that the components are isolated from air. According to the electronic control module assembly provided by the embodiment of the invention, heat dissipation can be performed on the electronic control module by arranging the heat dissipation part, and the component can be isolated from air by arranging the isolation structure and enabling the isolation structure to wrap the outer surface of the component, so that condensation can be prevented from being generated on the component of the electronic control module, and the service life of the electronic control module is prolonged. The reliability, the stability and the safety of the electric control module can be improved. And meanwhile, the vibration resistance of the electric control module can be enhanced, components are prevented from being separated, the components are buffered and protected, and explosion-proof and dust-proof effects are achieved.

The utility model provides a construction compaction grouting device, which relates to the technical field of engineering construction equipment and comprises a bottom plate, a plurality of universal wheels are mounted on the surface of the bottom of the bottom plate, a storage battery is embedded in one side of the surface of the top of the bottom plate, and two handles are mounted on the other side of the surface of the top of the bottom plate. A slurry box is fixedly installed on the surface of the top of the bottom plate, a control terminal is arranged on the surface of one side of the slurry box, a high-pressure pump is installed on the surface of the bottom plate, a stirring assembly is arranged on the surface of the inner wall of the slurry box, and supporting assemblies are arranged on the two sides of the surface of the top of the bottom plate. According to the utility model, the stirring blades and the spiral stirring plate are matched with the thermal resistor to heat and stir slurry, so that the flowability of the slurry is improved, the slurry is prevented from being solidified and cannot be sprayed out, and the working efficiency of grouting is improved; the two forward and reverse motors drive the multiple supporting legs to displace, the whole device is supported, the multiple universal wheels are made to break away from the ground, and therefore vibration displacement of the device during working is avoided.

The invention relates to the technical field of grinding devices, and discloses a precision bearing machining grinding device which comprises a base, the top of the base is slidably connected with a moving table, the front portion of the moving table is fixedly connected with a fixing block, the right side of the moving table is provided with a first grinding machine, and the right side of the fixing block is provided with a second grinding machine. According to the grinding device, during grinding, a transmission wheel rotates at the top of the base through friction force, a groove is formed in the surface of the transmission wheel, and oil in an oil tank is evenly sprayed into the groove in the surface of the base through rotation of the transmission wheel; and meanwhile, condensation caused by oil in a low-temperature environment in winter can be avoided, and blockage caused by the fact that the device cannot be normally lubricated is avoided.

The aluminum alloy low-pressure pouring degassing device comprises a quantitative furnace, a gas guide pipe is arranged in the quantitative furnace and is longitudinally arranged, a fireproof layer is arranged on the peripheral face of the gas guide pipe, a gas guide hole is formed in the bottom of the gas guide pipe, and the gas guide hole is close to the inner bottom of the quantitative furnace; the upper part of the gas guide pipe penetrates out of the quantitative furnace and is communicated with one end of a heat-resistant gas pipe through a flange; the other end of the heat-resistant gas pipe is communicated with an argon bottle. According to the method, after the aluminum alloy melt enters the quantitative furnace, the argon bottle is opened, argon enters the gas guide pipe through the heat-resistant gas pipe, the connector and the connecting pipe in sequence, then is discharged through the gas guide hole and enters the aluminum alloy melt, the argon forms bubbles and rises after entering the melt, and hydrogen is gradually separated out of the melt and attached to the surfaces of the argon bubbles; along with the rising of argon bubbles, molten aluminum alloy is brought out, and the hydrogen content is reduced.

The utility model provides an oil storage tank breather valve system anti-freezing anti-corrosion auxiliary device which comprises a shell, an air inlet, an air outlet and a heat exchange assembly, the upper end of the shell is provided with an upper scavenging port, a breather valve system is communicated with the shell through the upper scavenging port, the lower end of the shell is provided with a lower scavenging port, and the air inlet is communicated with the air outlet through the lower scavenging port. The oil storage tank is communicated with the shell through the lower scavenging port; the heat exchange assembly is arranged in the shell, and the heat exchange assembly communicates with the air inlet and the air outlet. According to the device, the temperature of gas in the oil storage tank passing through the device is reduced, water vapor in the oil storage tank is reduced, condensation and freezing blockage of the water vapor at the fire-retardant net and the breather valve are avoided, and normal operation of the oil storage tank in a low-temperature environment in winter is ensured. And the inner surface of the shell and the surface of the heat exchange assembly are subjected to surface nickel-base alloy plating treatment, so that the corrosion resistance is improved, and the service life of the device is effectively prolonged.