9results about How to "Reduce local concentration" patented technology

The invention relates to the technical field of web processing, and discloses a non-woven fiber web cotton pressing device which comprises a conveyor, fixing blocks are fixedly connected to the left side and the right side of the conveyor, two rotating rods are rotatably connected to the inner walls of the two fixing blocks, a motor is started to drive the rotating rods to rotate, and the conveyor is driven by the motor to rotate. A rotating rod drives a pressing roller to rotate through a sliding block to extrude a cotton web, when the pressing roller rotates, a fixing rod is driven to rotate, when the fixing rod moves to a protruding position from a concave position of a concave-convex ring, the fixing rod is extruded, the fixing rod moves towards a motor, the pressing roller is driven to move, and meanwhile a spring reset ring is extruded; when a spring reset ring accumulates resilience force and a pressing roller moves towards a motor, a first connecting rod can be driven to move through an annular groove, a sliding frame is made to move, a rolling wheel rolls on a cotton web, the cotton web is rubbed, fibers are pushed to move to a thin area of the cotton web, the fibers in the cotton web can be further evenly distributed, and local concentration of the fibers is reduced.

The utility model relates to the technical field of electrostatic dust collection, and provides hot galvanizing zinc niacin acid mist electrostatic trapping treatment equipment which comprises a device, one side of the device is fixedly communicated with an air inlet smoke box, one end of the air inlet smoke box is fixedly connected with an air inlet pipe, and a guide plate is arranged in the air inlet smoke box. The driving mechanism can utilize the power of smoke to drive the smoke expanding assembly to operate, the smoke expanding assembly can drive the guide plate to swing up and down in a reciprocating mode, the smoke can be dispersed to a wider area, the local concentration is reduced, the smoke is more evenly distributed in the device, and therefore zinc nicotinic acid mist is effectively guided and diffused, and the smoke diffusion efficiency is improved. The dust removal effect is maximized; the anti-blocking component is designed to be matched with the smoke expanding component, so that residual dust particles in the guide plate can be shaken off while the guide plate shunts guided smoke, the risk of blocking the guide plate is reduced, and the stability and the reliability of the device are improved.

The present invention discloses a low-emission swirl burner for a gas turbine and an operating method thereof. The burner comprises a hollow inner cone and an outer cone which are coaxially arranged. A plurality of swirl blades are arranged between the inner cone and the outer cone. A plurality of inner cone fuel spray hole channels penetrating the inner cone wall are arranged on the inner cone wall. An annular blade fuel spray hole channel is also arranged on the inner cone wall. A plurality of blade fuel spray holes are arranged on each swirl blade, and each blade fuel spray hole is connected to the blade fuel spray hole channel. An air channel is formed in the cavity between the inner cone and the outer cone. The fuel nozzle of the burner is designed in two stages. The first stage is the inner cone fuel spray hole channel on the inner cone wall of the burner. When the load is low, the fuel is sprayed out from the inner cavity of the inner cone through the plurality of inner cone fuel spray hole channels, which can stabilize the flame and control the emission. The other stage is the blade fuel spray hole on the swirl blade. When the load is high, the fuel is sprayed through the blade fuel spray hole, mixed with the air and burned under the action of strong swirl, which can reduce the emission of NOx.

The utility model belongs to the technical field of waste treatment, and discloses a demisting device for an absorption tower, the demisting device comprises a demisting assembly I and a demisting assembly II, the demisting assembly I is coaxially mounted in an air inducing pipeline, a backflow cavity I is positioned between the side wall of a reaction cavity and the inner side wall of the absorption tower, the top end of the backflow cavity I is open, and the air inducing pipeline is communicated with the backflow cavity I; a second backflow cavity is formed between the outer side wall of the air inducing pipeline and the outer cavity wall of the top end of the reaction cavity, the second backflow cavity is communicated with the air inducing pipeline, a hydrophilic semi-permeable membrane is arranged at the communication position, and the side end of the second backflow cavity is communicated with the first backflow cavity; the bottom of the exhaust cavity communicates with an air inlet pipeline, and the lower end of the air inlet pipeline communicates with the air inducing pipeline and the first backflow cavity. The second demisting assembly is installed in the air inlet pipeline, and an exhaust port communicating with the outside is formed in the top of the exhaust cavity. According to the demisting device, the flowing path of liquid is changed, the situation that the liquid and gas are repeatedly mixed to generate mist again can be reduced, secondary demisting is conducted through the second demisting assembly, and the demisting effect is improved.

The present invention discloses a polyester fiber production process without antimony metal catalysis, and relates to the technical field of organosilicon materials. The present invention discloses a polyester fiber production process without antimony metal catalysis, comprising the following steps: using terephthalic acid and ethylene glycol as raw materials for esterification reaction, continuously adding a titanium catalyst during the esterification reaction to obtain an esterification product; inputting the esterification product into a pre-polycondensation kettle for pre-polycondensation reaction to obtain an oligomer; inputting the oligomer into a polycondensation kettle for polycondensation reaction to obtain a polycondensate; after the polycondensate is spun and post-finished, a polyester fiber is obtained; the present application uses a self-made titanium catalyst to replace the traditional antimony catalyst, which not only accelerates the reaction process, but also leaves no antimony metal residue in the product. The titanium catalyst prepared in the present application gets rid of the defects of the traditional titanium catalyst that is easily hydrolyzed to form TiO2, causing the polyester product to turn yellow, and has low thermal stability.

The utility model relates to an environmental protection type high pressure pulse line explosion type selective crushing device, include: pressure increasing device, energy storage device and discharge device, pressure increasing device is equipped with AC transformer, and energy storage device and discharge device are connected with AC transformer, discharge device includes control unit and electrode system that are connected in proper order in series, and control unit and electrode system all are connected with energy storage device, the utility model has the beneficial effect that: electrode top is hemispherical or conical, reduces the local concentration of electric field, prevents early breakdown, through electrode insulation design and sealing system, effectively prevent electrode from being eroded by vaporized metal wire, prolongs the service life of equipment, and simultaneously operating process is no dust, low noise, no harmful gas emission, accords with environmental protection requirement.

The low-loss flow guide cylinder is provided with the flow guide cylinder, the flow guide space is arranged in the flow guide cylinder, the assembly part is arranged on one side of the flow guide cylinder, the assembly part is an assembly flange, and bolts for assembly are arranged on the assembly flange, so that the risks of partial discharge and insulation breakdown caused by non-uniform electric fields are reduced, and the reliability of the flow guide cylinder is improved. When the electrical components need to be arranged, the electrical components can be arranged in the flow guide space, the middle flow guide valve block is arranged in the flow guide space, and different electrical components are separated by the middle flow guide valve block, so that the electric field released by the electrical components is more uniform, and the problem of non-uniform distribution of the electric field is avoided.

The utility model relates to the technical field of corn steep liquor processing, in particular to a self-rotation type corn steep liquor fermentation tank. Comprising a support assembly, a tank body assembly and an impact assembly, the support assembly comprises a base and a servo motor, the tank body assembly comprises a fermentation tank, the impact assembly comprises a positioning cross rod and a second impact plate, supporting side plates are symmetrically welded to the top of the base, and the output end of the servo motor is connected with a conveying belt through a belt pulley. A cooling layer is arranged on the inner side of the fermentation tank, a rotating shaft is connected to one end of the fermentation tank, a first impact plate is connected to the peripheral wall body of the outer ring of the positioning cross rod, and a first hole groove is formed in the inner side of the first impact plate. When the fermentation tank rotates under the action of the servo motor, materials on the inner side of the fermentation tank are turned over and flow in the rotation process of the fermentation tank, the materials touch the first impact plate and impact the first impact plate during turning over and flowing, and meanwhile part of the materials can penetrate through the first impact plate.

The invention belongs to the technical field of table vinegar processing, and particularly relates to ganoderma lucidum honey brewed vinegar and a preparation method thereof. Fermented vinegar liquid obtained through fermentation of a fermentation inoculant culture solution and gluconacetobacter hansenii is mixed with nutrition particles capable of reducing irritation and obtained after freezing nano spray drying, and the prepared flavored fermented vinegar liquid is low in irritation and good in flavor; the stomach protection solution obtained through extraction is mixed with a stable solution containing behenic acid and morpholine fatty acid salt, and the prepared stomach protection soothing agent protects gastric mucosa and enamel from being damaged; the stomach-protecting soothing agent and the stability-maintaining calcium-supplementing solution are mixed and uniformly dispersed in the flavored fermented vinegar liquid for ultrahigh-temperature instantaneous sterilization, and the prepared ganoderma lucidum honey brewed vinegar is good in flavor, free of irritation to oral mucosa and gastric mucosa, free of damage to enamel, free of osteoporosis and free of deterioration after long-term storage.