11 results about "Air dispersion" patented technology

The utility model discloses a self-cleaning type air filter which comprises an air filter housing, a vertically-placed air filter element is installed in the air filter housing, a positioning sleeve is installed on the outer wall of the bottom of the air filter housing through an opening, the inner wall of the positioning sleeve is connected with a sliding pipe in a sliding mode, and the sliding pipe is connected with the air filter element in a sliding mode. A hollow lifting disc is fixedly arranged on the outer wall of the top of the sliding pipe, blowback air holes distributed at equal intervals are formed in the outer wall of the hollow lifting disc, and the outer walls of the blowback air holes are slidably connected with the inner wall of the air filter element. According to the utility model, gas is input into the blowback pipe through the gas guide pipe by the compressor, the gas in the blowback pipe is input into the sliding pipe through the positioning sleeve, the gas in the sliding pipe is input into the hollow lifting disc and is discharged from the blowback gas holes, and the gas can be concentrated through the hollow lifting disc to wash a specified area in the air filter element; air dispersion is avoided, and the flow speed of gas flushing the air filter element can be increased.

This utility model discloses an adjustable wind deflector structure for a ring-shaped bathroom heater, including a wind deflector plate and an adjustment mechanism that drives the wind deflector plate to swing. The wind deflector plate is a circular structure with a protruding circular baffle wall in the middle, and multiple evenly distributed adjustment holes on the circular baffle wall. The adjustment mechanism includes multiple adjustment units, each of which includes an adjustment motor and an eccentric adjustment rod. The adjustment motor drives the eccentric adjustment rod to rotate, and the eccentric adjustment rod acts on the adjustment holes, driving the wind deflector plate to swing. This utility model sets a swingable wind deflector plate at the air outlet, using the wind deflector plate to change the air outlet direction, breaking the limitation of the fixed air outlet direction of traditional bathroom heaters, effectively expanding the air dispersion coverage, improving indoor temperature uniformity and air circulation, and significantly enhancing the comfort and convenience of users when using the bathroom heater.

The invention discloses a pollution and carbon reduction space function partitioning method based on multi-modal deep learning. The method comprises the following steps: firstly, constructing a multi-modal spatial index system covering environmental bearing capacity, environmental pressure and pollution reduction and carbon reduction potential, including an air diffusion index, an ecological carbon sink index, and a traffic emission pressure index and pollution reduction and carbon reduction potential considering a road network, population, lamplight and function mixing degree; secondly, uniformly resampling, standardizing and synthesizing the multi-source spatial indexes into a multi-band raster data set; then a multi-branch convolutional neural network model is constructed, the multi-branch convolutional neural network model comprises three independent convolution branches corresponding to bearing capacity, pressure and potential index groups respectively, and after branch output features are fused, the probability that each space unit belongs to different function partitions is calculated in a low-dimensional embedding space through a deep embedding clustering algorithm; and finally, generating a pollution-reducing and carbon-reducing space function partition grid map according to the maximum probability. According to the method, deep fusion, automation and refined partitioning of the multi-source heterogeneous spatial data are realized.

The application relates to a device and a method for measuring the thermal conductivity coefficient of roof greening, which comprises a closed test chamber, a heater (1) arranged at the top of the closed test chamber, a water sample contrast module (6) arranged at the bottom of the closed test chamber, and temperature sensors arranged on the upper and lower surfaces of the water sample contrast module (6) and a roof greening or wall greening module (3) to be tested. The closed space is heated by a non-contact heater in a hot air diffusion mode, the roof greening module to be tested and the water sample contrast module with the same specification are placed on the bottom ground of the closed space, the heat is conducted downward, and when the temperature difference between the upper and lower surfaces of the roof greening reaches stability, the thermal conductivity coefficient of the roof greening can be calculated by referring to the known water sample contrast. Compared with the prior art, the application avoids the damage of a heat source to plants, only needs to record the temperature difference between the upper and lower surfaces of the test sample in a steady state during the test, and can be applied to the measurement of the thermal conductivity coefficient of various non-homogeneous and complex structure materials.

The invention is a non-powered air circulation device (100) for a ceiling-embedded air conditioner, comprising: a mounting portion (110) mounted on an embedded air conditioner (10); a diffusion portion (130) that diffuses air coming from an air outlet (11) of the embedded air conditioner (10) to a high place near a ceiling; an air intake portion (150) that forms a tornado-shaped column of air at an intermediate position or a low place near a floor and sucks the air into an air intake portion (12) of the embedded air conditioner (10); and a connecting portion (170) connecting the diffusion portion (130) and the air intake portion (150).

The invention provides a combustor which comprises a fire distributor, an inner fire cover and an outer fire cover, an air channel and an outer ring gas channel are formed between the fire distributor and the outer fire cover, and the air channel and the outer ring gas channel are not communicated. The outer fire cover is provided with a plurality of outer fire holes distributed along the first circumference of the outer fire cover and a plurality of outer air holes distributed along the second circumference of the outer fire cover, each outer fire hole corresponds to one outer air hole to form an air hole set, and the axes of the outer fire holes and the axes of the outer air holes in the same air hole set are located on the same radial line. A first included angle is formed between the axis of the outer fire hole and the bottom plane of the outer fire cover, a second included angle is formed between the axis of the outer air hole and the bottom plane of the outer fire cover, the first included angle is alpha 1, the second included angle is alpha 2, and the first included angle and the second included angle meet the following relation that alpha 2 is larger than 0 degree and smaller than alpha 1 and smaller than 90 degrees. According to the combustor, secondary air can make contact with gas flames instantly after being sprayed out, air diffusion and loss are avoided, and the air utilization rate is increased to 80% or above.

Not bound to the general idea of air blow amount control, a temporal change in the differential pressure between the membranes is appropriately estimated in order to perform proper membrane filtration operation. The estimation device (2) has: an input data acquisition section (21) that acquires input data measured in the membrane filtration operation, derived from operation data including the membrane filtration pressure and the air blow amount; and an estimation section (23) that performs M (M is an integer of 2 or more) times of processing that is a specific processing of estimating the differential pressure between the membranes after a prescribed time using a regression model (31), and updating the input data by changing the differential pressure between the membranes included in the input data to the estimated differential pressure between the membranes, with a part of the data included in the input data being different, and performs N (N is an integer of 2 or more) times of processing, thereby obtaining M estimation results of the temporal change of N times the prescribed time or more for the differential pressure between the membranes.

The cooling and ventilating device according to an embodiment may comprise: a blowing device which supplies external air to an indoor space; a diffuser which is disposed in the indoor space and diffuses the external air introduced from the blowing device to the indoor space; an indoor unit which is disposed in the indoor space and cools and discharges the introduced air; and a control valve which is connected to the blowing device, the diffuser, and the indoor unit by means of a pipe and controls the flow direction of air.

The utility model discloses a high-efficiency heat dissipation type low-voltage switch cabinet, which relates to the technical field of low-voltage switch cabinets and comprises a cabinet body and a barrier assembly. Three corresponding temperature sensors are installed on the right side of the interior of the cabinet body, U-shaped connecting grooves which are evenly distributed are formed in the inner wall of the cabinet body, two corresponding clamping grooves are formed in the left side and the right side of the interior of each U-shaped connecting groove, a second air blowing assembly is installed on the rear side of the cabinet body, and an air inlet assembly is installed in the middle of the rear side of the interior of the cabinet body; the blocking assembly comprises partition plates, T-shaped holes, pull rods, T-shaped pull ropes, fixing rings, sliding rods, clamping heads and springs, the two corresponding partition plates are arranged in the upper U-shaped connecting groove and the lower U-shaped connecting groove, the two partition plates are located among the three temperature sensors, the T-shaped holes are formed in the middles of the partition plates, the two corresponding fixing rings are fixed to the left end and the right end of the rear side in each T-shaped hole, and the clamping heads are located between the two corresponding fixing rings. Segmented heat dissipation can be carried out, air dispersion is avoided, and the heat dissipation efficiency is improved.

This invention provides a method for investigating flotation processes, relating to the field of flotation technology. The method includes: a gas phase investigation step: acquiring and comparing data on air dispersion, bubble size distribution characteristics, and gas holdup inside the flotation machine; a solid phase investigation step: sampling from horizontal sections at different depths of the slurry phase to obtain data on the bubble loading level in the slurry phase, and sampling from different depths of the slurry phase to obtain data on the distribution of solid particles in the liquid phase of the slurry phase, comparing the loading level data and the distribution data; and a flotation cell product investigation step: using a sampler to sample the flotation machine and the foam and underflow at each stage of the entire flotation process, screening and analyzing the samples, and comparing them with the loading level data. This method allows for a more systematic and comprehensive analysis of the investigation data, which is of great significance for optimizing the beneficiation plant process and equipment operating parameters.