31results about How to "Add room for mixing" patented technology

This invention discloses a direct-type backlight unit structure, which at least comprises at least one light generation component and at least one reflection mirror. The light generation component is used to generate a light and the reflection mirror is set in a side of the light generation component, wherein the reflection mirror faces to the light generation component to form a paraboloid and the paraboloid extends till a top of the light generation component. The reflection mirror can also be set on the top of the light generation component, and faces to the light generation component to form two paraboloids from a center line of the top of the light generation component. The light generated from the light generation component, especially the upward light, can be reflected by the reflection mirror to turn toward the side direction, and finally intermix uniformly in a mixed space, and pass through a light emitting surface to form a uniform backlight.

The invention relates to the field of electrically heated tobacco devices, in particular to a cigarette heating device. The cigarette heating device comprises a cigarette holder, a heating cavity and a base which are connected in sequence, the top end of the heating cavity communicates with the cigarette holder, the heating cavity is connected with a power supply device, and the power supply device is disposed at the base. The heating cavity comprises a shell and a heating assembly for heating and baking cigarettes, the heating assembly is electrically connected to the power supply device, the shell surrounds the outer side of the heating assembly, and the two ends of the shell are separately connected with the cigarette holder and the base; an air passage is arranged at the bottom end of the shell, and the heating cavity communicates with the external environment the air passage for air to enter and exit the heating cavity. The air enters and exits from the bottom end of the heating cavity of the cigarette heating device, the air circuit path is short, sufficient air reserves and flue gas reserves can be reserved, and an effective heat insulation structure is further arranged for heat insulation of the cigarette heating device.

The invention discloses a cylinder piston of an engine diesel. The top surface of the cylinder piston is provided with a combustion chamber with a W-shaped axial section external profile; the inner wall of the outer side of the combustion chamber is provided with an arc-shaped ridge which is extended into an accommodating cavity, and the combustion chamber is divided into an inside conventional region and a groove region by a tangent line formed by the highest point of radial protrusion of the arc-shaped ridge; the outer edge of the throat opening of the combustion chamber is provided with an end bevel, so as to form a buffer region communicated with the groove region; the external profile of the buffer region is of asymptotic trend change from the groove region to the top surface of the piston. By virtue of the structural optimization of the combustion chamber, the upper vortex trend can be adjusted, and the problem that the thermal load of the bottom surface of a cylinder cover can be effectively avoided on the basis of improving the thermal efficiency and reducing the oil consumption. On the basis, the invention further provides a diesel engine applying the cylinder piston.

The invention discloses a burner for ignition and low-load stable combustion of a fluidized bed boiler, and the burner belongs to fluidized bed boiler ignition and low-load stable combustion technologies. The novel burner has the micro-oil ignition or less-oil ignition and low-load stable combustion functions, and mainly aims to achieve cold-state ignition and low-load stable combustion for the fluidized bed boiler. The burner comprises an oil combustor, an oil gun ignition device, a secondary oil combustor, a fire check device, a swirl flow air channel, swirl vanes, a burner convergent section, a burner divergent section, a cooling air channel and a uniform-temperature mixing section. As for design, the ignition device is used for atomizing fuel through high-pressure air firstly, a small amount of fuel is burnt sufficiently in the oil combustor, an oil gun adopts mechanical atomization or air atomization, then the fuel is completely burnt out in the secondary combustor through primary air, and flames are pushed to spray out of the secondary combustor; the swirl vanes enable the primary air in the swirl flow air channel to rotate and be fully mixed with the flames spraying out of the secondary combustor, and the effect of cooling the secondary combustor is realized; and finally, air temperatures are uniformly mixed at the uniform-temperature section.

The invention discloses an integral continuous casting cutting nozzle and a processing method thereof, which have the advantages that the structure and the processing are simple, the gas is not leaked, the deformation is small, and the process is simple. The cutting nozzle comprises an integral core body, wherein the integral core body consists of a core seat, a core head and a core rod through integral processing, and a pre-mixing chamber is arranged on the core seat of the integral core body. In the processing method, firstly, a gas inlet concave ring groove and a gas mixing concave ring groove are processed on the frustum-shaped core seat, then, an inclined hole is drilled on a corresponding convex ring table in a direction from the gas inlet concave ring groove to the pre-mixing chamber and is made into a fuel gas hole, and a hole is drilled on the corresponding convex ring table in a direction from one side of a mixing chamber to the pre-mixing chamber and is made into a preheating oxygen hole.

The invention relates to a CO boiler having the denitration function. The CO boiler comprises a flue, a combustion chamber, steam drums, an evaporation section and an economizer section. The flue comprise a first vertical flue body, a horizontal flue body and a second vertical flue body, wherein the two ends of the horizontal flue body are communicated with the upper portion of the first vertical flue body and the upper portion of the second vertical flue body respectively, the combustion chamber is arranged in the first vertical flue body, the steam drums are arranged in the horizontal flue body, and the evaporation section and the economizer section are arranged in the second vertical flue body. The CO boiler further comprises an ammonia spraying and mixing mechanism and a denitration reactor. The ammonia spraying and mixing mechanism is arranged in the second vertical flue body and is located above the evaporation section. The denitration reactor is arranged between the evaporation section and the economizer section. The CO boiler having the denitration function can effectively improve the mixing uniformity of smoke and ammonia gas, improve the denitration efficiency and prevent ammonia escape; due to the fact that the denitration reactor is arranged in the CO boiler, an ammonia mixing grid is not needed, the utilization efficiency of smoke heat is improved, and the occupied space of the CO boiler and equipment investment are reduced.

The invention discloses an evaporating pipe structure for an engine combustion chamber and an engine combustion chamber structure. An internal concave curved surface section composed of at least two cambered surfaces is utilized, two column cambered surfaces arranged symmetrically are adopted in each cambered surface, the internal concave curved surface section adopts a gradual contracting and gradual stretching structure, mixed gas flows through an evaporating pipe, a backflow area is formed in the internal concave curved surface section, the speed is reduced, the mixed space of fuel oil andair is increased, stay time in the evaporating pipe is prolonged, the contact area of the mixed gas and the wall face of the evaporating pipe is increased, and gas heat exchange is enhanced. By meansof the gradual contracting and gradual stretching curved wall face, the strong shearing effect brought by the gas enables the fuel oil and the air to be mixed more fully. Fins are arranged on the outer surface of a first cylinder section, heat exchange between high-temperature airflow in a flame cylinder and the evaporating pipe is enhanced, and the temperature in the evaporating pipe is increased. Mixing holes form oblique holes to jet flow to enable air to directly impact oil fog, atomizing evaporation of the fuel oil is promoted, the atomizing and evaporating effect of the fuel oil in the evaporating pipe is enhanced, the fuel oil is combusted fully, and emission of pollutants is reduced while the combustion efficiency is improved.

The invention relates to a backlight module and a liquid crystal display device using the backlight module. The backlight module includes multiple light sources and a light mixing plate. The plurality of light sources can respectively emit light of different colors. The light mixing plate is adjacent to the plurality of light sources, and has a plurality of groove structures on a side adjacent to the plurality of light sources. The backlight module and the liquid crystal display device using the light mixing plate are thin in thickness and small in volume under the condition of meeting light mixing requirements.

The invention provides a heat exchanger, which comprises a plurality of fluid channels for heat exchange, header pipes arranged at end parts of the plurality of fluid channels and a distributor, wherein each fluid channel is provided with a fluid inlet; the fluid inlets of the plurality of fluid channels are communicated with the header pipes, and the header pipes are provided with center lines; and the distributor comprises distributing pipes, the distributing pipes are arranged in the header pipes, and the distributing pipes are positioned on one side, far away from the fluid inlets of the plurality of fluid channels, of the center lines. By adopting the structure, the mixed space of vapor-liquid two-phase refrigerant outflowing from an outlet hole is enlarged, so that the mixing is relatively uniform and the distribution of the refrigerant is uniform.

The invention provides a gas mixing structure. The gas mixing structure is used for providing gas for a chamber and comprises multiple gas inlet pipelines and at least one gas outlet pipeline. The multiple gas inlet pipelines and multiple gas sources are in one-to-one correspondence connection, and the gas outlet pipeline is connected with a gas inlet of the chamber. A mixing cavity is further included and has a gas mixing space, and the mixing cavity is connected with the gas inlet pipelines and the gas outlet pipeline and is used for enabling gas of the multiple gas sources to be mixed in the gas mixing space and then output to the gas inlet of the chamber through the gas outlet pipeline. The invention further provides the process chamber and a semiconductor processing equipment. According to the gas mixing structure, the process chamber and the semiconductor processing equipment, the gas can be mixed to be uniform, and the pipelines cannot be blocked.