27results about How to "Reduce ventilation" patented technology

The invention discloses an anti-condensation electric power ring main unit based on optical radiation heating, and relates to the technical field of ring main units, and the anti-condensation electric power ring main unit comprises a composite mechanism. According to the anti-condensation power ring main unit based on optical radiation heating, through the design of a composite mechanism, the composite shell is used for storing and placing electronic elements, in the daily operation process of the electronic elements, the temperature in the composite shell rises, the temperature difference between the interior and the exterior of the equipment is large, and condensation occurs in the equipment; the heater adopts optical radiation heating to prevent condensation, mainly converts optical radiation energy into heat energy, increases the temperature of an object or a space, and enables the temperature of the surface of the object to be higher than the dew point temperature, so that water vapor is prevented from being condensed into dewdrops on the surface of the object, the water vapor is absorbed through the moisture-proof mechanism, and the interior of the equipment is kept dry. And the ventilation mechanism is used for ventilating the interior of the composite shell, so that the temperature difference between the interior and the exterior is reduced, the probability of condensation is reduced, and the equipment is protected to a certain extent.

The continuous insect breeding system comprises a plurality of breeding tanks, an insect material inlet and outlet device, a water and air supply device and the like, water is supplied upwards and downwards from the middle breeding tank, and two independent water supply channels are formed; air is supplied upwards from the bottommost breeding tank and exhausted after passing through the topmost breeding tank. The water storage device of one breeding tank comprises a water flow channel plate with a plurality of parallel grooves, the water flow channel plate and water distribution pipes on the two sides are installed below a tank body transverse plate together and connected with a water receiving opening through the water distribution pipes, and the water receiving opening, the water distribution pipes, the water flow channel plate and the transverse plate form a plurality of independent water flow channels. Through reverse air supply, bottom-layer materials are quickly dried, and the situation that larva eating is reduced due to the fact that upper-layer foodstuff is too quickly dried is prevented; cooling water enters from the middle and is discharged from the top layer and the bottom layer, heat generated by the middle breeding tank can be effectively taken away, meanwhile, the top layer breeding tank and the bottom layer breeding tank are heated, the activity of larvae in the top layer breeding tank is improved, and evaporation of water of materials in the bottom layer breeding tank is accelerated.

The present invention belongs to the technical field of clothing manufacturing equipment, and in particular to a dust removal device for textile machinery and a method of using the same, comprising a clothing manufacturing machine, a top plate fixed on the upper surface of the clothing manufacturing machine, and a dust cover screwed to the surface of the top plate, the surface of the top plate being screwed to a dust removal fan, and the interior of the dust cover being provided with a dust removal mechanism. The device is provided with a dust removal mechanism, and can intercept and filter the generated cotton wool and fine fibers as well as dust in the air, thereby greatly improving the working environment and reducing the dust content in the air. The device can automatically clean the surface of the dust filter element to ensure the filtering effect of the dust filter element, and avoid dust backflowing back into the work workshop to cause pollution to the working environment, thereby creating a cleaner, healthier and more comfortable working environment for workers, helping to improve the work enthusiasm and work efficiency of workers, and reducing health problems such as respiratory diseases caused by dust.

A seal plate (27) of a cylindrical battery (10) has an outer peripheral portion (27b), which is at least partly fixed to an opening of an outer can (16), and an annular thin portion (27c) adjacent to the outer peripheral portion (27b). The thin portion (27c) has a sloping portion (56) sloping radially inward toward the bottom of the outer can (16) in an axial direction. In a cross section of the thin portion (27c) taken in a plane including the radial direction and the axial direction, an inner surface of an adjacent portion (59) adjacent to the outer peripheral portion (27b) of the thin portion (27c) has a curved shape, and the gradient of an outer surface (70) of the thin portion (27c) changes towards the outer peripheral portion (27b) so as to decrease the thickness of the adjacent portion (59).

The utility model provides an automatic regulation and control air window for a mine, which is used for solving the problem that the air volume of a mine air window in the prior art needs to be manually regulated, and comprises an air window frame, an air window grid, a plurality of blades, a detection assembly and a control mechanism, a detection assembly and a control mechanism are arranged on an air window frame or an air window grid, key data support is provided for automatic regulation and control of the control mechanism through environment information detected by the detection assembly, and gaps among a plurality of blades are adjusted through the control mechanism so as to increase the ventilation quantity or reduce the ventilation quantity. In other words, the air window is intelligently, efficiently and dynamically adjusted according to the actual environment parameter change so as to ensure the safety of underground work, the problem of low efficiency due to manual operation can be avoided through automatic control, and potential safety hazards existing in manual intervention are reduced.

This utility model discloses a conveying mechanism for a deburring and wire drawing machine, relating to the technical field of conveying equipment for deburring machines. The conveying mechanism includes a conveying platform, with a material feeding rack at one end for placing and conveying materials. A conveying device for moving the materials is installed on the conveying platform. The conveying device is connected to a power device for providing a power source, which is connected to the conveying platform. A support mounting plate is provided on one side of the conveying platform, and a connecting bracket for connecting the lifting device in the deburring machine is fixedly installed on the support mounting plate. Air intakes are provided on both sides of the conveying platform, and the two air intakes are interconnected, forming a negative pressure air duct. Negative pressure is transmitted to the surface of the conveyor belt through six independent spaces on the platform and small holes on the surface of the conveyor belt. The negative pressure suctions the workpiece being processed, achieving greater suction in localized areas with the same power negative pressure fan through regional adsorption, allowing for the adsorption of smaller workpieces to be ground.

The invention relates to the technical field of power cabinets, in particular to a power cabinet with a dehumidification structure, which comprises a cabinet body. A cabinet door is arranged on one side of the outer wall of the cabinet body; the inner side wall of the cabinet body is fixedly connected with a placing plate; a ventilation opening is formed in the bottom end of one side of the outer wall of the cabinet body and located below the containing plate. The inner side wall of the ventilation opening is fixedly connected with a filter plate; the motor drives the rotating shaft and the first blowing fan blades to rotate, air formed by the first blowing fan blades can enter the moisture-proof shell through the ventilation holes in the moisture-proof shell, moisture can make contact with hot air to form condensation when entering the moisture-proof shell, and due to the fact that the moisture-proof shell is in the shape of an inclined parallelogram, the moisture-proof shell is in the shape of an inclined parallelogram, in the humid or rainy weather, the moisture-proof shell is not prone to falling off. Rainwater and condensed water in the moisture-proof shell can fall onto the inclined surface of the bottom end of the inner wall of the moisture-proof shell and then flow out of the cabinet body, and the moisture is limited in the moisture-proof shell due to the fact that a breathable waterproof material is arranged in the ventilation hole, so that the moisture-proof and moisture-proof device has the effects of dehumidification and moisture-proof.

This invention relates to the field of heat exchange cabinet technology, and discloses an underground energy-saving heat exchange cabinet with adjustable ventilation pipe density. The cabinet includes a cabinet body with balance supports on both sides of its outer wall to maintain balance. The interior of the cabinet consists of two independent chambers: an equipment chamber and a heat exchange chamber. Inside the heat exchange chamber is a heat exchange seat, which comprises three independent processing chambers, arranged sequentially from front to back: a phase change chamber, a hot air chamber, and a cold air chamber. By adding and setting an energy-saving exchange mechanism, during operation, this mechanism not only constructs a curved flow channel through baffles and annular channels to slow down airflow velocity and promote sufficient heat exchange between the hot and cold air chambers, thus improving heat exchange efficiency, but it can also utilize phase change energy storage material blocks to recover residual heat from the hot air. This stored latent heat is released to heat the circulating air when temperatures drop sharply at night, preventing equipment malfunctions due to low temperatures.

The utility model relates to kitchen home appliance technical field, and its specific disclosure is an air fryer with adjustable ventilation, which comprises: a fryer body and a fry basket, the fryer body is internally limited to a cooking cavity, and the top is limited to a hot air channel, the hot air channel is configured to guide hot air into the cooking cavity, and the cooking cavity is also provided with an air outlet; the fry basket is detachably arranged in the cooking cavity, a ventilation hole is formed in the bottom wall of the fry basket, the ventilation hole is configured to guide the hot air in the fry basket out and discharge or recycle through the air outlet; the utility model further comprises a movable part arranged at the bottom of the fry basket, the movable part is configured to adjust the relative position between the ventilation hole to move, thereby changing the opening area of the ventilation hole, adjusting the ventilation, and changing the air circulation speed in the fry basket to adjust the temperature in the fry basket. Users can flexibly adjust the opening area of the ventilation hole according to the cooking needs of different foods, thereby changing the ventilation and air circulation speed.

The invention belongs to the technical field of transformers, particularly relates to an energy-saving transformer with filtering and exhausting functions, and provides the following scheme that the energy-saving transformer comprises a transformer box shell, an air inlet pipeline and an air outlet pipeline are arranged on the two sides of the transformer box shell correspondingly, and filter screens are installed at the opening ends, away from the transformer box shell, of the air inlet pipeline and the air outlet pipeline correspondingly; fan assemblies are installed in the air inlet pipeline and the air outlet pipeline, the main control unit receives data of all the sensors, conducts comprehensive analysis and outputs control instructions to the fan assemblies to achieve rotation speed adjustment, and anti-blocking mechanisms are arranged between the fan assemblies and the filter screen and can impact the filter screen along with rotation speed changes of the fan assemblies. The rotating speed of the fan is intelligently adjusted through the monitoring unit and the main control unit, on-demand heat dissipation is achieved, energy waste caused by continuous high-speed running of a traditional fan is avoided, the energy-saving purpose is achieved, and the filter screen can be automatically cleaned through the wind power change of the system.

This invention discloses a total heat exchange core and a fresh air unit, comprising multiple air inlet channels arranged in one direction and multiple air outlet channels arranged in another direction. The airflow directions of the air inlet channels and the air outlet channels intersect, and a water-permeable membrane separates the air inlet channels and the ventilation volume of the air inlet channels decreases sequentially along the exhaust direction. This invention, by sequentially decreasing the ventilation volume of the air inlet channels along the exhaust direction, increases the ventilation flow of the air inlet channels in contact with the air inlets of the exhaust channels and decreases the ventilation flow of the air inlet channels in contact with the air outlets of the exhaust channels. This results in a larger ventilation flow for channels with high heat exchange capacity, and different flow rates for air inlet channels at different locations, thus matching the flow rate with the heat exchange capacity, improving heat exchange efficiency, and preventing condensation and frost formation at the air outlet side of the exhaust channels when the outdoor temperature is low.

The present application relates to a papermaking wastewater treatment device and a wastewater treatment method. The papermaking wastewater treatment device includes a device body; an air conveying device, which is arranged in an aeration tank, and the output end of the air conveying device is connected to an air supply pipe; an aeration pipe, which is laid on the bottom of the aeration tank and is connected to the air supply pipe, and a plurality of aeration heads are arranged on the aeration pipe; a bubble dispersion and dust blocking mechanism, which is arranged in the aeration pipe, and is used to divide the bubbles ejected from the aeration head into a plurality of tiny bubbles, and at the same time, perform dust blocking so that the air holes of the aeration head are not easily blocked; a maintenance mechanism, which is arranged between the aeration tank and the aeration pipe, and is used to drive the aeration pipe to enter or move out of the bottom of the aeration tank. The present application has the effect of breaking up the bubbles generated by the aeration device, making the bubbles more scattered, making the gas fully contact with the wastewater, improving the gas utilization rate, increasing the oxygen content in the wastewater, accelerating the metabolism of aerobic microorganisms to degrade organic matter, and reducing the operating cost.

The utility model relates to an adjustable ventilation window for electromagnetic compatibility test belongs to the technical field of electromagnetic compatibility test, it adopts the net board body of circular, the body is by multiple group sector region constitutes, including big aperture vent area and small aperture vent area, through the shielded plate of central pivot linkage symmetry, can select the big hole or small hole area when rotating, realizes the dynamic regulation of shielding effectiveness and ventilation efficiency, the utility model discloses compact overall structure, easy operation makes the ventilation volume and shielding effectiveness adjustable.

The fan with the filtering function comprises a filtering box used for installation, a motor fixedly installed at the right end of the filtering box, a protective cover and a second fan blade, the protective cover is arranged at the left end of the filtering box in an attached mode and is of a hollow-out structure, a rotating rod is installed in the lower end of the protective cover, and the second fan blade is arranged on the rotating rod. A convex block is fixedly mounted on the outer side of the right end of the rotating rod, a torsional spring sleeves the outer side of the left part of the rotating rod, a middle shaft rod of the second fan blade penetrates through the middle part of a mounting frame, and the mounting frame is fixedly mounted on the inner side of the left part of the filter box through an expansion bolt. According to the draught fan with the filtering function, air sucked into the draught fan can be filtered, peculiar smells in the air can be adsorbed, dust and fluff are prevented from contaminating fan blades, meanwhile, fluff discharged from an air outlet is prevented from affecting use of the draught fan, the fluff adhering to the filter plate can be automatically scraped off and cleaned, the cleaning step is simplified, the protective cover of the draught fan is simple in opening and closing mode, and the draught fan is convenient to use. The dismounting time is saved.

This utility model belongs to the field of sheepfold technology, and in particular to a sheepfold with a disc-lock steel structure main body. It includes a sheepfold main body composed of a disc-lock steel frame and an outer panel. The side wall of the sheepfold main body has a first heat dissipation vent. It also includes a controller, a temperature sensor installed inside the sheepfold main body for monitoring the internal temperature, a second heat dissipation vent on the top of the sheepfold main body, and an auxiliary exhaust assembly on the top of the sheepfold main body. A gate assembly is provided on the sheepfold main body to control the opening and closing of the first and second heat dissipation vents. The signal output terminal of the controller outputs a control signal, which controls the operation of the auxiliary exhaust assembly and the gate assembly. By adding a second heat dissipation vent to the top of the sheepfold, based on the existing side wall air inlet, and combining it with an intelligent temperature control system, an electric gate assembly, and an auxiliary exhaust assembly, more precise and efficient ventilation and heat dissipation management is achieved.

The piggery environment control device comprises a piggery, an air conditioner all-in-one machine is installed outside the piggery, a wet film evaporator is arranged at the top of the air conditioner all-in-one machine, an air supply pipe is connected into an air outlet of the wet film evaporator, and the air supply pipe is suspended in the piggery; a plurality of radiation refrigeration breast board systems are arranged in the hog house, an exhaust duct is arranged under the ground of the hog house, and an exhaust fan used for exhausting air is arranged in the exhaust duct. The hog house has the advantages of low energy consumption, high operation efficiency, small ventilation amount, good air quality, small odor emission amount, relatively low operation cost and the like, and the purposes of low energy consumption and efficient environment control of the hog house are achieved.

The utility model provides a kind of factory self-circulation spray acid mist tower belongs to industrial plant exhaust treatment technical field. Including mounting frame, the inside fixed mounting fan of mounting frame is connected with spraying mechanism by air pipe in the discharge port of fan, the spraying mechanism includes tower body, the tower body is sealedly connected with the exhaust port of fan by air pipe, and the inside fixed mounting of tower body is in spray pipe. By setting baffle in the inside of tower body, and gas is delivered to the position below baffle, and gas hole is set on baffle, and gas pipe is installed in the position of gas hole, air inhaled into the inside of tower body can enter the inside of gas pipe at this time, gas pipe is installed in the inside of tower body in the form of bending, can extend the flow distance of air, delay the flow rate of air in tower, can improve the treatment effect to air, remove acidic waste gas in air, avoid causing pollution to atmosphere.

The invention discloses a telescopic intelligent water meter reading rod capable of automatically reading and filling a card. The telescopic intelligent water meter reading rod comprises a telescopic rod, an endoscope, a cleaning system and an automatic identification and card filling module, the interior of the telescopic rod is hollow, the endoscope is installed at the tail end of the telescopic rod through a lead, and the endoscope is provided with a power supply for providing electric energy; the cleaning system comprises an integrated end, the integrated end comprises a connecting pipe, a brush head and a brush, and the brush head is connected with the telescopic rod through the connecting pipe. According to the telescopic intelligent water meter reading rod capable of automatically reading the meter and filling the card, a mode of automatically reading the meter and filling the card in a telescopic mode is adopted to replace personnel to go down a well, and potential risks of limited space operation are reduced; the current situation that multiple persons need to read meters when a single well works in a limited space is avoided, single-person meter reading is achieved, and manpower is saved; the time for ventilation, gas detection and personnel going down and up to the well is saved; the functions of recognizing the water meter reading and automatically filling in the meter card are achieved, the card filling errors caused by manual work are reduced, the time for filling in the meter card reading is shortened, and the meter reading efficiency and accuracy are improved.

The present invention relates to the technical field of sludge treatment, particularly to an intelligent sludge drying treatment system, which comprises: a sludge drying module for drying wet sludge to output dry sludge and gas; the waste gas treatment module comprises a waste gas collecting unit for collecting waste gas in the sludge; the energy supply module is respectively connected with the sludge drying module and the waste gas treatment module and is used for supplying energy to the sludge drying treatment process; the detection module is respectively connected with the sludge drying module and the waste gas treatment module and is used for detecting operation parameters in the sludge drying treatment process; the control module is respectively connected with the sludge drying module, the waste gas treatment module, the energy supply module and the detection module and is used for determining the heating power of the biomass energy boiler according to the variance of the vibration intensity of the turbine thin-layer dryer. According to the invention, the stability of sludge drying treatment is improved.

The present invention belongs to the field of glass grinding, and discloses an edge grinding device for glass processing and an operation method thereof. The edge grinding device for glass processing comprises a body, wherein two groups of transmission frames are symmetrically arranged at a central depression of the body, each group of the transmission frames is two, and are symmetrically distributed up and down, a mounting frame is fixedly connected between the side walls of each group of the transmission frames, a conveyor belt is arranged on the transmission frame, a T-shaped support rod is evenly fixedly connected to the conveyor belt, a sealing sleeve is slidably connected to the T-shaped support rod, and a suction cup is fixedly connected to the end of the sealing sleeve away from the conveyor belt; the present invention cooperates with the sealing sleeve and the suction cup through the conveyor belt, not only can the upper and lower surfaces of the two side edges of the glass be clamped, fixed and transmitted, but also the suction cup cooperates with the rubber ring arranged on the inner side to improve the sealing performance while increasing the adsorption strength of the glass, so that the glass is subjected to more uniform force during the grinding process, thereby avoiding the reduction of grinding accuracy due to uneven force on the glass.

The utility model relates to the field of medium-voltage switch cabinets, and discloses a convection-type heat-dissipation medium-voltage switch cabinet, which comprises a box body, a heat-dissipation box body and a heat-dissipation box body, the adjusting part is arranged in the box body; the cleaning part is arranged on the inner wall of the box body; the box door is rotationally connected to one side of the box body through a shaft rod; the handle is fixedly connected to the outer side of the box body; the box legs are fixedly connected to the bottom of the box body; and the fan is rotationally connected to one side of the adjusting part through a shaft rod. The assembly plate slides into the sliding rail until the end point by adjusting the position, then the button is pressed, the sliding cylinder slides in the adjusting box, and therefore the rotating cylinder rotates around the track of the sliding groove in the outer wall of the rotating cylinder under the assistance of the auxiliary block, the sliding cylinder rebounds under the assistance of the spring, and the effect that the rotating cylinder rotates by 180 degrees is achieved; therefore, the movable clamping block is connected with the clamping groove in the assembling plate in a clamped mode, the assembling plate is fixed, and the assembling plate is disassembled and adjusted by pressing the assembling plate again.

The utility model relates to the technical field of machine room moistureproof, and discloses a bank data machine room moistureproof processing device which comprises a machine room, the top of the machine room is fixedly connected with an installation box, the top of the installation box is fixedly connected with a motor, the output end of the motor is fixedly connected with a threaded rod, and the outside of the threaded rod is in threaded connection with a sliding block. A supporting rod is fixedly connected to the left side of the interior of the mounting box, sliding blocks are slidably connected to the outer portion of the supporting rod, an extrusion roller is rotatably connected between the two sliding blocks, a silica gel water absorption layer is fixedly connected to the middle of the interior of the mounting box, and a hollowed-out plate is fixedly connected to the side, away from the extrusion roller, of the silica gel water absorption layer. And a filter screen is slidably connected to the front side in the mounting box. According to the machine room, air circulation in the machine room is accelerated, moisture in air newly entering the machine room is absorbed through the silica gel water absorption layer, and the moisture is prevented from entering the machine room to cause damage to the machine.

The utility model discloses a door and window sheath with good air tightness, which comprises an upper door and window sheath and side door and window sheaths arranged on two sides of the upper door and window sheath, decorative slots are arranged on the upper door and window sheath and the side door and window sheaths, an upper decorative sheath is inserted into the upper door and window sheath through the decorative slots, and a lower decorative sheath is inserted into the lower door and window sheath through the decorative slots. The side door and window sleeve is provided with a side decoration sleeve in an inserted mode through the decoration inserting groove, the side decoration sleeve and the upper decoration sleeve are each composed of an inserting plate part and a decoration baffle part, the inserting plate parts and the decoration baffle parts are connected together in an L-shaped structure, the inserting plate parts are inserted into the decoration inserting groove, and the decoration baffle parts are connected with the side door and window sleeve. An inserting rubber mat groove is formed in the plate face of one side of the inserting plate part, and an inserting part rubber mat is installed in the inserting rubber mat groove. The door and window cover has the beneficial effects that the baffle cushion layer can be pressed on the side face of a wall through close fit of the limiting convex body rubber strip and the limiting strip groove, the air tightness of the door and window cover is improved through cooperation with the cover rubber strip, and ventilation through the window cover in winter is reduced.

The invention discloses a flue gas trapping method for a gantry type cutting machine, which is realized through a flue gas trapping device and comprises the following steps: firstly, starting a circulating fan and a dust removal mechanism, then starting cutting work, and under the suction action of the dust removal mechanism and the circulating fan, enabling cutting flue gas to enter a double-channel negative pressure air pipe through a double-air-pipe sliding connector, wherein one part enters the dust removal mechanism through the dust removal cavity to be purified, and the other part sequentially enters the connecting pipe, the circulating air positive-pressure pipe and the positive-pressure air pipe sliding connector through the circulating cavity and is discharged through the positive-pressure air pipe sliding connector. The gas exhausted from the positive pressure air pipe sliding connector passes through the lower portion of the cutting platform to capture the cutting smoke and then enters the double-air-pipe sliding connector again, and the process is repeated. On the premise of keeping 95% of trapping efficiency, the ventilation quantity of the dust removal system can be reduced by 40%, the operation energy consumption of the system is reduced by about 36%, and the environment-friendly and low-carbon effects are good.

This utility model relates to the field of blower technology and discloses a blower for mining machinery, including a blower body, an inlet pipe and an outlet pipe on the blower body, a filter assembly at the end of the inlet pipe away from the blower body, a cleaning assembly inside the filter assembly, and an elastic component at the end of the filter assembly away from the inlet pipe. The filter assembly includes a filter housing at one end of the inlet pipe, and a filter screen inside the filter housing. The cleaning assembly includes two scrapers, each respectively located at both ends of the filter screen, and a compression spring is provided on the scraper side near the filter housing. The elastic component includes a retaining ring. This utility model, through the cooperation of the filter assembly, cleaning assembly, and elastic component, effectively solves the problems of vibration transmission, pipe damage, and filter screen clogging that exist in existing blowers during operation.

The invention provides a formula for brewing beer with weak alkali water and a preparation method thereof, and belongs to the technical field of food beverage processing, the formula comprises 20000-30000 parts of purified water, 0.5-2 parts of strontium, 5-15 parts of hop, 500-600 parts of barley malt, 400-600 parts of wheat malt, 20-30 parts of red dates, 5-15 parts of Chinese wolfberry, 5-15 parts of longan, 1-3 parts of yeast, 1-3 parts of compound enzyme, 1-5 parts of protease and 2-4 parts of gypsum powder; water for brewing beer is alkalescent, the acidity of the beer brewed by the water is low, the influence on the body of a drinker is small, the occurrence of a series of diseases such as ventilation, hypertension and hyperlipidemia is reduced, the beer is crafted by a low-temperature fermentation process, the taste is mellow and tasty, the bouquet is overflowing, and the taste of the beer is good. The aftertaste is long.

The invention belongs to the technical field of biological fermentation, and particularly relates to a submerged fermentation extraction process method of ganoderma triterpenic acid. Preparing to obtain a seed solution; preparing a fermentation culture medium, and performing two-stage submerged fermentation on the seed solution to obtain a fermentation solution; filtering and separating the fermentation liquor to obtain mycelia containing intracellular ganoderma triterpenic acid and supernate containing extracellular ganoderma triterpenic acid, drying and crushing the mycelia, and carrying out ultrasonic and enzymolysis synergistic extraction to obtain an extracting solution; mixing the supernate and the extracting solution, filtering to obtain a clear solution, and purifying, concentrating and drying the clear solution to obtain a ganoderma triterpenic acid refined product. The method solves the problem of low yield of ganoderma triterpenic acid caused by uniform mycelium growth and ganoderma triterpenic acid synthesis environment, insufficient carbon source supply and limited induction effect in traditional submerged fermentation through innovative combination of staged fermentation, a fermentation composite carbon source, a composite inducer and beta-cyclodextrin.