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

The invention provides a centrifugal fan. The centrifugal fan comprises a shell, a wind wheel, a plurality of groups air door catches, a rotating piece and a transmission mechanism, wherein an air inlet is formed in the cover plate of the shell, and a plurality of groups of air outlets are formed in the peripheral wall part of the shell; the wind wheel is arranged as that air flow is forced to flow in the shell from the air inlet and flow out of the shell through one or more of the plurality of air outlets; each air door catch is arranged at the air outlet movably and arranged that a controlled place is moved to different shading positions so as to completely shade, partially shade or completely expose the air outlet, so that the air outlet area of the air outlet can be adjusted; the rotating piece is rotatably arranged on the shell; and the transmission mechanism is arranged as that the rotation motion of the rotating piece is transmitted to the plurality of air door catches. According to the centrifugal fan, the air door catches can be driven to move through the rotation of the rotating piece, so as to controllably shade the plurality of air outlet and realize the air supply for a plurality of directions, the air outlet directions can be selected, and the air outlet volume of each air outlet can be adjusted to realize reasonable air supply.

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 discloses a multifunctional verifying device for a sulfur hexafluoride density relay. The multifunctional verifying device has more precise verifying functions, and can verify a plurality of relays at a time, recover sulfur hexafluoride gas and calibrate a temperature compensation value of the sulfur hexafluoride density relay. The multifunctional verifying device comprises a verifying component and a high-low temperature test chamber, wherein a separation board is arranged inside a test cavity of the high-low temperature test chamber; a test frame for supporting the density relay and a standard pressure gauge is arranged on the separation board; side plates of the test cavity are all insulation boards; a pipeline opening for allowing a communicating pipe to penetrate throughis formed in the insulation board on one side of the test cavity and is a through hole; the verifying component contains a controller; the controller is connected with a touch display screen, a to-be-verified density relay and the standard pressure gauge; and the verifying component also contains an inflating pipeline.

A novel energy-saving fan comprises a main case; a filter, a heat exchanger and a supply fan are sequentially arranged in the main case along the air flowing path; an exhaust fan is also mounted on the main case; the supply fan is perpendicular to the exhaust fan; and the heat exchanger adopts a counter-current heat exchange structure, so that fresh air supplied by the supply fan is vertically staggered from exhaust air exhausted by the exhaust fan, and then the fresh air and the exhaust air are discharged from a fresh air outlet and an exhaust air outlet. The novel energy-saving fan has the advantages that on one hand, heat exchange dead angles are eliminated, and the waste heat utilization rate is improved, and the energy-saving effect is good; and on the other hand, the wind resistance is small, the air exhaust is smooth, and the filtering effect is good.

The invention discloses a detection system of a sulfur hexafluoride density relay. The detection system having the precise calibration function is capable of calibrating temperature compensation values of multiple groups of density relays once and is capable of recycling sulfur hexafluoride gas. The detection system is composed of a calibration assembly and a high-and-low-temperature test box. Thehigh-and-low-temperature test box consists of a box body, a refrigeration system, a refrigeration system box, a compressor, a control module and an electrical cabinet; the electrical cabinet is arranged at one side of the box body; a control module and a memory are arranged in the electrical cabinet; and a compressor and a refrigeration system are arranged in the refrigeration system box. The boxbody is divided into a test chamber, a return air passage and a refrigeration system box by a lower chamber bottom plate and a test chamber sidewall; a condenser, a heater and a centrifugal fan are arranged in the return air passage; and an air outlet and a return air outlet are formed in the test chamber sidewall. A test frame for supporting density relays and a standard pressure gauge are arranged at a test rack. The calibration assembly includes a controller.

The invention relates to a heat recovery fresh air machine. The machine comprises a machine shell, a primary filter, a high-efficiency filter, a plate type heat exchanger, an air supply machine and an exhaust fan. Counter-flow heat exchange enabling fresh air and exhausted air to be vertically staggered is adopted in the fresh air machine. The fresh air is conveyed outwards via a fresh air outlet after sequentially passing through the primary filter, the high-efficiency filter, the plate type heat exchanger and the air supply machine which are arrayed in parallel. The exhausted air is exhausted via an exhausted air outlet after sequentially passing through the plate type heat exchanger and the exhaust fan. The fresh air machine has the advantages that the structure is compact; the waste heat is fully used; the design of an air channel is ingenious; the cost is low; and the installation is convenient.

The invention provides an integrated gas circuit control method and device and a storage medium. The integrated gas circuit control method comprises the steps that first instruction information is acquired; the acquired first instruction information is analyzed to obtain an analysis result; when the analysis result meets a preset first gas supply condition, a gas circuit valve block assembly is controlled to form a gas supply channel, and a gas supply device enters a first gas supply process; and when the analysis result meets a preset suction condition, the gas circuit valve block assembly iscontrolled to form a suction channel, and the air supply device enters a suction process. According to the integrated gas circuit control method, the gas circuit valve block assembly can be controlled to form the gas supply channel, and the gas circuit valve block assembly can be controlled to form the suction channel according to working requirements, so that the integrated gas circuit control method can adapt to different working conditions, and the working efficiency is improved.

The invention discloses an intelligent ventilation device for building construction. The intelligent ventilation device comprises a ventilation shell, an induced draft fan and a partition plate, the bottom and the top of the ventilation shell are each of an opening structure, the induced draft fan is installed at the opening of the top of the ventilation shell in a sealed mode, and the partition plate is hinged to the opening of the bottom of the ventilation shell; a filter plate for filtering air is arranged in the ventilation shell; and the intelligent ventilation device further comprises a dust removal assembly arranged on the ventilation shell and used for conducting reverse blowing on the filter plate. The ventilation device is provided with a reverse blowing fan used for carrying out dust removal operation on the filter plate in the ventilation device, air flow of the reverse blowing fan ejects a second check valve open, enters the ventilation shell and blows towards the filter plate, a first check valve is closed, the air flow reversely blows dust on the filter plate to fall off, and the dust is discharged from an air outlet along with the air flow, so that ash removal treatment and maintenance of the filter plate are realized.

The invention discloses a pneumatic component installing structure, comprising a pneumatic component connecting structure and a gas supply connecting structure, wherein the gas supply connecting structure is internally provided with a first gas supply channel, and the pneumatic component connecting structure is internally provided with a second gas supply channel; the gas supply connecting structure can be rotated relatively to the pneumatic component connecting structure. The pneumatic component installing structure also comprises a connecting channel used for communicating the first gas supply channel with the second gas supply channel and extending in the direction of relative motion of the gas supply connecting structure to the pneumatic component installing structure. In the pneumatic component installing structure provided by the invention, the gas supply connecting structure able to move relatively to the pneumatic component installing structure is arranged to ensure that a gas supply pipeline is not driven to move in operation of the pneumatic component, so that smooth gas supply of the gas supply pipeline to the pneumatic component can be ensured, but also damage to the gas supply pipeline due to movement can be prevented.

The invention relates to an anti-epidemic respirator (mask) and a use method thereof. People can wear the respirator to be prevented from inhaling germs, particles and other harmful substances in environment air, and specifically respiratory diseases are prevented. The respirator is composed of three major parts: a nose and mouth mark device, a breathable air source device and an air guide tube for connecting the nose and mouth mark device and the breathable air source device. External air can only be guided into the nose and mouth mark device in one direction from the gas guide tube through the breathable air source device; and an air pumping device is arranged in the breathable air source device, and the inhaling of a wearer is facilitated. Various types of sterilizing and disinfecting parts and filtering parts are arranged in the breathable air source device. An electronic temperature adjusting facility is arranged inside and used for maintaining the long-term conveying of fresh air. The respirator is provided with a temperature measuring and body temperature uploading part, and the body temperature features of personnel in an area under administration can be monitored through awireless network. A movable window of the nose and mouth mark device can be opened so that a melt-blow fabric can be replaced, and the nose and mouth mark device can be conveniently disinfected. Therespirator is wide in application range and high in practicability. The anti-epidemic respirator has the advantages of being simple in production process, easy to industrialize and convenient to use.

The invention discloses a traditional Chinese medicine preparation for treating asthma and a preparation method thereof, and the traditional Chinese medicine preparation comprises the following raw materials in parts by weight: 8-12 parts of prepared monkshood, cinnamon, prepared rhizome of rehmannia, cortex moutan, rhizoma alismatis, common yam rhizome, schisandra chinensis, pulp of dogwood fruit, blackberry lily, platycodon grandiflorum and almond, 16-24 parts of poria cocos, 12-18 parts of fructus lycii, 12-18 parts of fructus psoraleae, 12-18 parts of morinda officinalis, 10-14 parts of walnut meat and 3-5 parts of tendril-leaved fritillary bulb powder. And different formulas are formulated for asthma caused by different causes. The preparation method of the traditional Chinese medicine preparation comprises the following steps: crushing the raw materials, mixing and blending, heating, drying and granulating, automatically and quantitatively packaging, and warehousing. The traditional Chinese medicine preparation prepared by the invention is safe and free of toxic and side effects, has the advantages of strong effect, quick response, lasting drug effect and the like, has no dependence, drug resistance and toxic and side effects, and has very important clinical significance for treating asthma.

The invention provides a novel gas nozzle capable of achieving sufficient combustion. The novel gas nozzle comprises a gas mixing cavity, a gas mixing extension cavity and a gas flame-out tractor which are sequentially arranged from bottom to top; the gas mixing cavity and the gas mixing extension cavity are screwed together through threads; and after the bottom of the gas mixing extension cavitypenetrates through a circular cavity in the top of the gas flame-out tractor to be placed in, the hexagonal top face of the top of the gas mixing extension cavity is blocked by a circular boss on theouter circumference of a gas inlet through hole in the bottom of the gas flame-out tractor, and therefore the gas mixing extension cavity and the gas flame-out tractor are combined together. Due to the arrangement of a lower gas mixing cavity and an upper gas mixing cavity of the gas mixing cavity, secondary gas mixing can be achieved, and sufficient gas mixing is guaranteed; due to the arrangement of the gas mixing extension cavity, stable fuel gas can be formed, and detonation is avoided. due to the arrangement of the circular cavity of the gas flame-out tractor, fuel gas combusted at the position can directly heat the bottom of a pot, negative pressure traction firepower can be formed at the position, negative pressure suction is formed for the fuel gas in the gas inlet through hole andan inclined spray hole, the gas outlet speed of the fuel gas is increased, and the heat efficiency is improved.

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 relates to the technical field of air conditioning devices, and discloses an air conditioner. The air conditioner comprises an air duct outer shell with an air inlet and an air outlet, and further comprises an air duct inner shell, an air supply mechanism and a driving mechanism, wherein the air duct inner shell is arranged inside the air duct outer shell and comprises an air flow inlet and an air flow outlet, the air flow inlet faces the air inlet, and the air flow outlet faces the air outlet; the air supply mechanism is arranged at the air flow inlet; and the driving mechanism is connected with the air duct inner shell and drives the air duct inner shell to rotate around the air supply mechanism so that the air flow outlet can correspond to different positions of the air outlet. According to the air conditioner, the air flow outlet of the air duct inner shell can correspond to different positions of the air outlet, so that the air supply flow of the air conditioner is blown to different directions; the air flow direction is changed through rotation of the air duct inner shell, and the flowing direction of the air flow in the air duct inner shell cannot be suddenly changed, so that smooth air supply can be kept; and compared with a mode that the air outlet direction is changed by adopting a flow guide plate, the mode in the invention has the characteristics that the air outlet wind resistance and the air outlet noise are reduced.