45results about How to "Good mixing properties" patented technology

A hybrid structure that combines characteristics of the DACRS and Swozzle burners to provide the high mixing ability of an axial flowing counter rotating vane swirler with good dynamic flame stability characteristics of a bluff center body.

A compressed natural gas fuel injector including a housing, an inlet, an outlet, a seat, a closure member, and an attached nozzle. In a preferred embodiment, the inlet and outlet communicate a flow of gaseous fuel regulated by the closure member. The gaseous fuel passes through the seat, which is coupled to a rim surface of a retainer portion of the attached nozzle, and into a flow passage that further communicates the flow of gaseous fuel into one or more flow channels. The orientation of the flow channels within the attached nozzle greatly affects the discharge pattern and mixing characteristics of the gaseous fuel within an intake manifold. A method of flowing gaseous fuel through the fuel injector is also described.

A conic threaded fastener and conic threaded fastener system. The conic threaded fastener includes a body having at least one substantially conic outer surface and at least one conic thread forming a spiral about the substantially conic outer surface of the body. The conic thread forms a plurality of crests and a plurality of roots and the tangential distance between adjacent crests is substantially constant. The conic threaded fastener system includes the conic threaded fastener and a workpiece with an opening having at least one inner conic surface dimensioned to mate with a conic outer surface of the conic threaded fastener.

A threaded fastener and threaded fastener system. The threaded fastener includes a body having at least one outer surface and at least one thread forming a spiral about the outer surface of the body. The thread forms a plurality of crests and a plurality of roots and the tangential distance between adjacent crests is substantially constant. The threaded fastener system includes the threaded fastener and a workpiece with an opening having at least one inner surface dimensioned to mate with outer surface of the threaded fastener.

A method for mixing fluids that can control mixing characteristics of fluids, a method for producing particulates that can provide desired particulates, and particulates produced thereby are provided. According to an embodiment of the present invention, in a method for mixing at least two kinds of fluids in a microreactor, a first fluid is supplied to a mixing zone through a divided supply passage, and a second fluid is supplied to the mixing zone through a supply passage. A total value of dynamic pressures of the first and second fluids is controlled to mix the first and second fluids in the mixing zone. Then, the mixed fluids are flowed into a micro passage.

The invention discloses a flat-flamed burner. The flat-flamed burner comprises such modules as a stove plate (1), a pre-mixing air chamber (2), a protective air chamber (3), an experimental chamber (4), an air exhaust cap (5), a pressure regulator (6), observation window glass (9), a glass sealing cover (10), and the like. The flat-flamed burner is a modularization flat-flamed burner which is compact in structure, convenient in operation, high in safety and reliability, convenient to maintain after the improvement, capable of reducing photometric errors, self-adjustable in pressure and more stable in the generated flat flame. Different modules are designed, and then assembled to a burner of different functions, so that the modularization design method can constantly expand the application range of the flat-flamed burner.

The invention discloses a medical stone ceramic product prepared from the following raw materials in percentage by weight: 41-45% of medical stone powder, 16-20% of potassium feldspar powder, 10-14% of soda feldspar powder, 8-10% of quartz powder and 12-17% of Laiyang soil. The preparation method comprises the following steps: weighing raw materials in percentage by weight, grinding and filtering the raw materials by a sieve with the granularity of 100-150 meshes, and uniformly mixing for later use; grinding the powder in a ball miller for 1-2 hours according to the condition that the ratio of the material to balls to water is 1:2:0.5, filtering mud through a sieve with the granularity of 32-35 meshes, and pugging to obtain a finished mud product; performing slip-casting, demoulding, correcting and grinding, and drying for 12-24 hours; sintering a dried mud blank in a furnace in steps and cooling to obtain the required product. The medical stone ceramic product is reasonable in material proportion and scientific in sintering method, so that the medical stone has improved performance, good air permeability and high plasticity, and the yield is up to 97%; the medical stone is free from toxicity and radiation, and has no change in original property and precipitated trace elements; the medical stone can be prepared into various beautiful new material tea sets, cups and other finished products.

An embodiment of a mixing assembly for mixing at least two fluids, comprises a housing and an injector body disposed concentrically therein, a vorticing element disposed about the injector body, and a compression element disposed about an outlet of the injector body. The housing is disposed for passage of a first fluid therethrough. The injector body being disposed within the housing and further disposed for the introduction of a second fluid within the flow path of the first fluid.

Reheat burner arrangement comprising a center body, an annular duct with a cross-section area, an intermediate fuel injection plane located along the center body and being actively connected to the cross section area of the annular duct, wherein the center body is located upstream of a combustion chamber, wherein the structure of the reheat burner arrangement is defined by various parameters and the structure of the reheat burner arrangement is defined by various dependencies.

The invention concerns a multiple-extruder configuration in which two co-rotating twin-screw extruders and a counter-rotating twin screw extruder are connected to each other with respect to the flow of material.

Second stage can annular burner arrangement of a sequential gas turbine comprising: a combustion zone; a center body (101) burner, located upstream of the combustion zone, and having an annular duct with a mixing zone having a cross section area; intermediate lobes (102) which are arranged with respect to the center body (101) burner as bond-bridge in circumferential direction, perpendicular or quasi-perpendicular and in longitudinal or quasi-longitudinal direction to the main mass flow, and which are actively connected to the cross section area of the mixing zone. Cooling air (104) is guided through a number of pipes within the lobes (102) to the center body and cools beforehand at least the front section (201) of the center body (101) based on impingement cooling (203). Subsequently, the impingement cooling air cools the middle face (204) and back face (202) of the center body (101) based on convective and/or effusion cooling (205). At least the back face (202) of the center body includes on the inside at least one damper (300).

The present invention is in the field of an improved adhesive composition, use of said composition and products comprising said composition. The adhesive composition may be a one component and a two component adhesive, each component typically comprising various ingredients. The present adhesives are water-based dispersions.

A wave threaded fastener and system. A wave thread extends from the outer surface of the body and is made up of a profile wave and a lateral wave. The profile wave includes a plurality of profile crests and profile roots defining a plurality of profile thread widths. The lateral wave includes at least one lateral crest and at least one lateral root defining at least one wave period. Each wave period forms a period arc having a period arc angle and the sum of all period arc angles about the lateral Wave equals three hundred and sixty degrees. Each of the profile crests and roots are aligned with corresponding lateral crests and roots and the wave thread travels one profile thread width per each period arc traveled.

An intake manifold system including an intake manifold and a compressed natural gas (CNG) fuel injector located between an inlet and an outlet of the intake manifold. The CNG fuel injector includes a housing, an inlet, an outlet, a seat, a closure member, and a nozzle. In a preferred embodiment, the inlet and outlet communicate a flow of gaseous fuel regulated by the closure member. The gaseous fuel passes through the seat, which is secured to a rim surface of a retainer portion of the nozzle, and into a flow passage that further communicates the flow of gaseous fuel into one or more flow channels. The orientation of the flow channels within the nozzle greatly affects the discharge pattern and mixing characteristics of the gaseous fuel within an intake manifold. A method of metering gaseous fuel in an intake manifold having a gaseous fuel supply coupled to a fuel injector is also described.

The invention discloses a full-premixing water-cooling gas boiler with a U-shaped pipe structure. The full-premixing water-cooling gas boiler comprises a water-cooling combustor and a water-cooling heat exchanger which are coaxially arranged, a premixer and a water-cooling combustion head are arranged in the water-cooling combustor, a water outlet of the water-cooling combustor is in communicationwith a water inlet of the water-cooling heat exchanger, and the premixer is in communication with a gas inlet of the water-cooling combustion head; the water-cooling combustion head comprises combustion head water-cooling tube bundles and a combustion head upper header, the combustion head upper header is nested inside and outside, and the two ends of each combustion head water-cooling tube bundle are in communication with the combustion head upper header on the inner side and the combustion head upper header on the outer side respectively; a water inlet of the combustion head upper header isin communication with boiler feed water, and a single water cooling tube of each water cooling tube bundle is U-shaped; a flow equalizing pore plate is arranged on the inner side of the water-coolingcombustion head, and an ignition gun is arranged on the outer side of the water-cooling combustion head; and flue gas flows out of the water-cooling combustion head, then uniformly flows to each water-cooling tube bundle in the water-cooling heat exchanger, then flows downwards to a dew containing disc from a gap between an outer-ring water-cooling tube bundle and the boiler wall and is discharged through a chimney, so that the heat exchange capacity is greatly improved, and the safe and stable operation of the boiler is facilitated.