39results about How to "Smooth air supply" patented technology

The invention discloses a biogas tea fixing machine, which comprises a frame, a horizontal tea fixing roller arranged on the frame, a driving device driving the tea fixing roller to roll, and a heating device used for heating the tea fixing roller. The biogas tea fixing machine is characterized in that: the heating device comprises a stove and a biogas combustion device arranged under the tea fixing roller; the biogas combustion device comprises a biogas delivery pipeline which is connected with a biogas digester and provided with a valve, and a plurality of high temperature-resistant biogas ejectors connected with the output end of the delivery pipeline; the biogas ejectors pass through the side wall of the stove to extend into the hearth of the stove; and biogas nozzles of all the biogas ejectors are arranged at equal intervals along the length direction of the hearth. The fixing machine is provided with heat by the combustion of the biogas, and the combustion cost is lower, so the manufacturing cost of tea is reduced; the main component of the biogas is methane, and generates water and carbon dioxide after combustion, so the environment is protected; besides, the combustion value of the biogas is high, so the biogas provides enough heat for the fixing machine; therefore, the produced tea has higher quality.

The invention provides an air circuit integration block and an air circuit valve block component. The air circuit integration block is provided with an air inlet, a working air hole, an air outlet, afirst air through hole, a second air through hole, a third through hole and a fourth air through hole, wherein the working air outlet is used for connecting with an execution element through a pipeline to drive the execution element; a first air circuit channel, a second air circuit channel and a third air circuit channel are arranged in the air circuit integration block; the air inlet communicates with the first air through hole through the first air circuit channel; the second air through hole, the third air through hole and the working air hole communicate through the first air circuit channel; and the fourth air through hole and the air outlet communicate through the third air circuit channel. In the air circuit integration block, three air circuit channels are integrated on the air circuit integration block to reduce a space occupied by air circuits. Meanwhile, connection of pipelines is reduced, the air leakage points of the air circuit valve block component can be effectively reduced, and assembling difficulty is lowered.

The invention provides a centrifugal fan. The centrifugal fan includes: a casing, an air inlet is opened on the cover, and a plurality of air outlets are opened on the surrounding wall; a wind wheel assembly, which has a wind wheel motor and a plurality of fan blades; an air supply control device, which is rotatably arranged in the casing, and has one or more shielding parts; the adjusting motor is arranged on the radially outer side of the surrounding wall; Each shielding part is rotated to different rotation positions to completely cover, partially cover or fully expose each air outlet, thereby adjusting the respective air outlet areas of the multiple air outlets. The centrifugal fan can controllably shield multiple air outlets through the rotation of the air supply control device, so as to realize simultaneous air supply to multiple directions / multiple places, and can select the air outlet direction / air supply place and Adjust the air volume of each air outlet to achieve a reasonable air supply.

The invention discloses a furnace charge replacement method under a blast furnace accident. Blast furnace air supply continues to be carried out through an existing air supply system under the condition that blast furnace top pressure is normal pressure. The area of an air opening is reduced (the air opening is blocked, and the diameter of the air opening is reduced). After air supply, a certain amount of coke is added, then light load materials and clean coke are added at intervals for feeding, and the light load materials are obtained through gradual transition according to the furnace temperature, the furnace condition antegrade condition and the slag iron discharge condition. The furnace temperature is sufficient, discharging is carried out stably and smoothly, the air opening is gradually opened to increase the air blast according to the condition of the furnace top pressure, a work air opening is more than 2 / 3 of the whole air opening, replacement of heavy load materials is completed, blast furnace temperature is sufficient, and furnace blocking materials start to be fed. Slag iron is treated in a normal production manner, the labor intensity of workers cannot be increased, the workers do not need to enter a blast furnace, and water lifting is avoided. Meanwhile, when air supply restores, the blast furnace is basically filled with coke, air supply restores relatively smoothly, and the probability of bursting cool slag iron through blasting is extremely low. The influence on the service life of the blast furnace is small. Treatment cost is low, treatment time is short, and the influence on production is small.

The present invention provides an integrated air circuit control method, device, and storage medium. The integrated air circuit control method includes: acquiring first instruction information; analyzing the acquired first instruction information to obtain an analysis result; when the When the analysis result satisfies the preset first air supply condition, control the air circuit valve block assembly to form an air supply channel and the air supply device enters the first air supply process; when the analysis result meets the preset inhalation condition, control the The air circuit valve block assembly forms the air suction channel and the air supply device enters the air suction process. The integrated air circuit control method of the present invention can control the air circuit valve block assembly to form an air supply channel and control the air circuit valve block assembly to form an air suction channel according to work requirements, thereby adapting to different working conditions and improving work efficiency .

A centrifugal fan comprises a housing (20) having an air inlet provided on a cover portion (23) thereof and a plurality sets of air outlets provided on a peripheral wall portion (22) thereof; a wind wheel (30) configured to urge the air flow flowing into the housing (20) via the air inlet and out of the housing (20) via one or more of the plurality of the air outlets; a plurality groups of damper blocking plates (40), each of the damper blocking plates (40) being movably mounted to an air outlet and configured to be controllably moved to a different obstructing position to completely shield, partially shield, or fully expose the air outlet so as to adjust the air blowing area of the air outlet; a rotating member (50) rotatably mounted on the housing (20); and a transmission mechanism configured to transmit the rotational movement of the rotating member (50) to the plurality of damper blocking plates (40). In the centrifugal fan, the blocking plates (40) can be moved by rotating the rotating member (50) to controllably shield the plurality of air outlets so as to achieve blowing air in multiple directions at the same time and to achieve a reasonable air supply by choosing air blowing directions and adjusting air volume of each outlet.