12results about How to "Reduce ventilation" patented technology

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.

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 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.

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 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 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 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.