34results about How to "Improve mixing adequacy" patented technology

The invention provides a single-screw extruder, which comprises a shell and a screw, wherein the screw is rotationally arranged in a rotating cavity of the shell; a main push plate is arranged on the peripheral surface of the screw, and the main push plate is spirally extended on the peripheral surface of the screw; the shell is provided with a feeding hole and a discharge hole; the screw is provided with a feeding part and a discharge part, the feeding part of the screw is positioned at the feeding hole of the shell, and the discharge part of the screw is positioned in the discharge hole of the shell; a spiral structure extended spirally is arranged on the peripheral surface of the feeding part of the screw, and the pitch of the spiral structure is different from the pitch of the feeding part of the screw; and the spiral structure is crossed with the main push plate once at least, so that a sharp angular shearing structure is formed at the crossed part of the spiral structure and the main push plate. Through the extruder, the gaps of the extruded granules are small, the quality of subsequent injection molding pieces can be ensured, and the advancing smoothness of the granules on the screw is good.

The invention discloses a high-mixing-ratio ignition tank, and belongs to the technical field of boiler soot blowing. The ignition tank comprises an air inlet connecting pipe, a gas chamber, a mixing chamber, an ignition chamber and a flame outlet pipe, wherein the gas chamber, the mixing chamber and the ignition chamber are arranged in the ignition tank in sequence according to a gas inlet direction; the air inlet connecting pipe is communicated with the gas chamber and the mixing chamber; a secondary mixed gas shunt plate is arranged between the mixing chamber and the ignition chamber; a gas mixing inclined hole is formed in the middle part of the air inlet connecting pipe; primary mixed gas outlet inclined holes are formed in the tail part of the air inlet connecting pipe; a plurality of vertical first through holes and inclined second through holes are uniformly formed in the secondary mixed gas shunt plate; the flame outlet pipe is communicated with the ignition chamber. According to the high-mixing-ratio ignition tank, mixed gas can uniformly enter the ignition chamber by improving the structure of the air inlet connecting pipe and arranging the shunt plate between the mixing chamber and the ignition chamber, so that the mixing full degree of air and gas is greatly improved.

The invention relates to the field of quantifying equipment, in particular to a double-servo plunger type quantifying machine. The quantifying machine comprises a power mechanism, a metering mechanism, a feeding valve, a flow monitoring system used for monitoring various parameters of fluid and a mixing valve; the metering mechanism is movably arranged on the power mechanism; the feeding valve communicates with the metering mechanism; the flow monitoring system communicates with the metering mechanism; the mixing valve is communicably disposed with the flow monitoring system. According to thequantifying machine, on one hand, the flow monitoring system and the quantifying machine are integrally designed, so that no pipeline needs to be arranged between the whole quantifying machine and theflow monitoring system, namely, no pressure loss is generated when fluid flows, and the flow monitoring system can monitor technological parameters such as the glue outlet proportion, the glue outletamount and the glue outlet speed in real time, and therefore the accuracy and sufficiency of glue mixing can be improved; and on the other hand, the automatic operation level of glue injection and glue mixing is improved, and the problems that the labor intensity of manual glue mixing is high, and the production efficiency is low are solved.

The invention discloses a full mixing device for alloy material production and processing. The full mixing device comprises a mixing barrel, a transfer material box is arranged over the mixing barrel, the transfer material box is fixedly connected with a longitudinal mounting rod, and a fixed partition plate and a movable partition plate are arranged in the transfer material box; by arrangement of the transfer material box, the fixed partition plate and the movable partition plate are arranged in the transfer material box, and the movable partition plate is moved by utilizing an adjusting motor, so that the material mixing proportion of each time is controlled, and the efficiency of the mixing device is improved; the stirring frame is arranged in the mixing barrel, and the rotating shaft is driven to move through meshing transmission of the fixed gear and the rotating gear, so that stirring blades on the outer side of the mounting shaft rotate, the stirring frame stirs in a vertical plane, and meanwhile, the stirring blades also stir and mix alloy raw materials in the horizontal direction; the mixing efficiency and the mixing sufficiency of the materials are greatly improved, the phenomenon that the materials are layered is avoided, and the yield is increased.

The invention discloses a concrete rotary stirring and mixing device for building construction, and relates to the technical field of concrete stirring. The concrete rotary stirring and mixing devicecomprises a fixing frame, wherein a rotating plate is rotatably mounted on the fixing frame, a plurality of rotatably arranged stirring barrels are annularly and uniformly mounted on the rotating plate, and a vertical rack is vertically fixed on the fixing frame. According to the concrete rotary stirring and mixing device, the rotating plate is driven by an arranged stepping driving mechanism to rotate in a stepping manner, at the moment, the stirring barrels on the rotating plate can rotate to vertically correspond to a stirring mechanism after being adjusted, the arranged stirring mechanismrotates in the lifting process of a lifting frame and meanwhile performs sufficient rotary stirring on concrete in the stirring barrels, and an arranged bottom scraping plate can ascend and descend vertically in the adjusting process to make the concrete shake up and down, so that the concrete stirring sufficiency can be effectively improved. The device allows the concrete to be separately placedin the multiple stirring barrels and realizes one-by-one stirring of the concrete in the stirring barrels, so that the stirring process is more sufficient and efficient.

The invention relates to the technical field of air pollution prevention of environmental protection industries, in particular to a liquid ammonia evaporator for a denitration device line. The liquid ammonia evaporator comprises a liquid ammonia conveying pipe, one end of the liquid ammonia conveying pipe is a liquid ammonia inlet end connected with a liquid ammonia source, the other end of the liquid ammonia conveying pipe is an ammonia outlet end, and a plurality of radiating fins are arranged outside the liquid ammonia conveying pipe. According to the liquid ammonia evaporator, the radiating fins are arranged outside the liquid ammonia conveying pipe, the heat exchange area between the liquid ammonia conveying pipe and outer space is enlarged, so that liquid ammonia can be more completely gasified to form ammonia in the conveying process of the liquid ammonia, the gasification rate of the liquid ammonia is increased, so that the mixed sufficiency of the ammonia and flue gas is improved, on one hand, denitration efficiency is improved, the removal rate of nitric oxide in the flue gas is increased, on the other hand, and the liquid ammonia evaporator solves the problem that the ammonia escapes as the ammonia cannot completely react.

The invention relates to the technical field of accessory devices of stirring equipment, in particular to a cement stirring device for house construction engineering, and the device can be used to automatically mix and stir cement raw materials, greatly reduce labor cost and improve the stirring efficiency and sufficiency. The stirring device comprises a base, two groups of supporting plates, a speed reducing motor, a power shaft, a stirring cylinder, stirring rods, a driving plate and a cover plate assembly; the left and right sides of the top end of the base are connected with the bottom ends of two supporting plates; the left end of the speed reducing motor is connected with the middle of the right end of the right supporting plate; a rotating hole penetrates the middle of the right endof the right supporting plate and sleeves a bearing at the output end of the speed reducing motor; the right end and the left end of the power shaft are concentrically connected with the output end of the speed reducing motor and the middle of the right end of the stirring cylinder respectively; a working cavity is formed in the stirring barrel; the top end of the working cavity is provided witha material taking and placing pipe in a communicating mode; and the left area and the right area of the inner side wall of the working cavity are conical surfaces respectively.

The invention discloses a metering and detecting device for liquid taking and metering, and belongs to the field of metering and detecting. A metering detection device for liquid taking and metering comprises a workbench, a liquid storage tank and a metering cylinder are fixedly connected to the workbench, a stirring rod is rotatably connected to the liquid storage tank, a stirring fan is fixedly connected to the stirring rod, a piston cylinder is fixedly connected to the liquid storage tank, the liquid storage tank is fixedly connected with the piston cylinder through a liquid inlet pipe, the piston cylinder is fixedly connected with a metering cylinder through a liquid outlet pipe, an adjusting plate is connected to the metering cylinder in a sliding mode, and a driving mechanism is fixedly connected to the workbench. The device is easy to use, liquid precipitation is reduced, the uniformity of the liquid is improved, the accuracy of detection data is improved by stirring the liquid in advance, meanwhile, the accuracy of the taking amount of the liquid is improved by controlling the using amount of the taken liquid, meanwhile, the labor intensity of taking a large amount of liquid is reduced, and the working efficiency of taking the liquid is improved.

The invention discloses a biopharmaceutical stirring device which comprises a stirring shell. A support frame is arranged at the bottom of the stirring shell. A discharge pipe is arranged at the bottom of the stirring shell. A storage tank is arranged at one side of the discharge pipe. Feeding pipes are arranged at both sides of the top of the stirring shell, a transmission box is arranged at thetop of the stirring shell, one side of the transmission box is provided with a driving motor, and one side of the driving motor is provided with a driving shaft which runs through the transmission boxand is connected with a driving wheel located in the transmission box. One side of the top of the driving wheel is provided with a driven wheel I, and the bottom of the driven wheel I is provided with a rotating shaft. Beneficial effects are that: The design is reasonable, the structure is simple and the use is convenient. Compared with a traditional biological pharmaceutical stirring device, thestirring effect is effectively improved, and the drug efficacy is effectively ensured.

The invention discloses a constant-temperature mixer. The constant-temperature mixer comprises a hopper and a bracket. The hopper is installed on the bracket. A rotating device is installed between the hopper and the bracket. A motor is installed at the bottom of the hopper. A reducer is installed between the motor and the bottom of the hopper. A mixing propeller is installed on the reducer. The hopper is of a two-layer structure. Constant-temperature pipes are installed in the two-layer structure of the hopper. A stable block is installed on the bottom surface of the bracket. A control module is installed on the bracket. By means of the mode, the constant-temperature mixer is simple in structure and convenient to operate, and not only is the mixing sufficiency of the equipment improved, but also constant-temperature mixing can be conducted; and thus, the viscosity of asphalt is not too high, and the effect that the asphalt can be sufficiently mixed and blended is ensured.

The application relates to the technical field of air pollution control in the environmental protection industry, in particular to a flue gas denitrification equipment line. The flue gas denitrification equipment line comprises a flue gas conditioning assembly and at least one denitrification tower, wherein the denitrification tower comprises a tower body; at least one catalyst assembly is arranged in the tower body; the catalyst assembly comprises at least two silk screen assemblies; a third sealing plate is connected between opposite edges of the silk screen assemblies; the silk screen assemblies and the third sealing plate are enclosed into a second cavity for charging or discharging flue gas; first cavities of the silk screen assemblies are filled with a denitrification agent. In the flue gas denitrification equipment line disclosed by the application, the conditioning assembly and the denitrification tower with the catalyst assembly are provided, so that the denitrification efficiency in a flue gas denitrification process is increased greatly, the removal rate of nitrogen oxide in the flue gas is increased greatly, and the problem of ammonia escape due to incomplete reaction of ammonia gas is solved.

The invention provides two-dimensional construction multi-support-plate ejector structural design and belongs to the technical field of ejector structural design. Multiple sets of support plates for dividing ejecting airflow and ejected airflow are arranged in an ejector. Flow guide sections are arranged at the front ends of the support plates, and spraying tube air guide cavities and two-dimensional laval jet tubes are arranged in the support plates. The ejecting airflow is divided into multiple streams of uniform airflow by the two-dimensional laval jet tubes in the support plates. The ejected airflow is divided into multiple streams of uniform airflow by ejected airflow subchannels between the support plates, then the contact area between the ejecting airflow and the ejected airflow isincreased, and a better mixing effect is achieved. Through the two-dimensional construction multi-support-plate ejector structural design, shock wave loss is lowered effectively while mixing adequacyof the ejecting airflow and the ejected airflow is enhanced, and then ejecting performance of the ejector is improved.

The invention relates to a preparation method of BMC mould pressing resin. The preparation method comprises the following steps: feeding materials according to a feeding sequence; after the feeding isfinished, adding corresponding auxiliary agents and small materials, slowly opening a heating oil valve, and starting to raise the temperature; heating a first material to effluent, slowly heating from the temperature of the effluent, introducing nitrogen in the heating process, sampling, measuring the acid value, and cooling; after the material is cooled, adding a second material and an auxiliary agent; after the second material is fed, heating to discharge water, keeping the temperature for reaction after discharging water, heating and keeping the temperature, introducing nitrogen in the heating process, keeping the temperature, and measuring the acid value; after the acid value reaches the standard and the polyester 150 DEG C lamina viscosity reaches the standard, starting vacuum pumping, cooling after the product is detected to be qualified, adding JQ and PQ hydroquinone, continuing to cool the material, and diluting; adding DQ and T50 small materials in advance before dilution; and cooling after dilution, adding copper naphthenate, carrying out vacuum dehydration, continuing cooling, sampling, detecting, filtering after the product is detected to be qualified, and packaging.Compared with the prior art, the quality stability of the BMC mould pressing resin is improved, and the strength and hardness of the BMC mould pressing resin are improved.

The invention belongs to the technical field of stirring devices, and particularly discloses a handheld stirrer for building construction. The handheld stirrer comprises a housing, handles, a stirringmotor, a stirring shaft, first blades, first sliding screws, second blades and set screws. According to the handheld stirrer, to-be-stirred solutions at the upper layer and the lower layer in a barrel are conveyed to the middle layer in the simultaneous rotating process of the first blades and the second blades, and then the to-be-stirred solutions in the barrel are fully mixed through the constant convection of the to-be-stirred solution at the upper layer and the to-be-stirred solution at the lower layer; besides, the to-be-stirred solutions gathering at the middle layer gradually flow to the side wall of the barrel after completing convection, then two circulating fluids are formed in the barrel, then no stirring dead corner will exist in the barrel, and thus the stirring uniformity isguaranteed; and the solutions with different level heights are stirred by adjusting the distance between the first blades and the second blades, and thus the application range of the stirrer is expanded.