274results about How to "Increased flow distance" patented technology

The invention provides a cooking appliance. The cooking appliance comprises a cooker body and an upper cover. The upper cover covers the cooker body; a steam valve is arranged on the upper cover, andthe steam valve covers the upper surface of the upper cover by at least 1/2, wherein the cooker body comprises an inner pot and a coil panel which is arranged at the lower side of the inner pot; the inner pot comprises a side wall, a bottom wall and an inner pot arc position which is connected to the sidewall and the bottom wall; the coil panel comprises a panel body and multiple coils which windthe panel body; an accommodating space is defined by the panel body; the inner pot is at least partially located within the accommodating space; and the uppermost coil is located on the 2/3 height position of the inner pot arc position or is higher than the 2/3 height of the inner pot arc position. According to the cooking appliance provided by the invention, since the large-capacity steam valve is arranged on the upper cover and the uppermost coil is located on the position of no less than the 2/3 height of the inner pot arc position, firepower can be increased under a precondition of avoiding spillage, so that the taste of cooked rice is improved.

A filtration device for tank water for aquarium fish having several partitions dividing the casing into several filtration chambers. A removable filtration cartridge is inserted into each filtration chamber. The cartridge has top and bottom panels with perforations formed in the panels to allow water to flow through the cartridge. The partitions are arranged in an alternating pattern. One partition has an opening near the bottom of the casing, and the partition extends to the top of the casing. The next partition does not have an opening near the bottom of the casing and the partition does not reach the top of the casing. This arrangement allows water to flow through the filtration device in a zigzag pattern. The removable cartridges allow individual filter mediums to be replaced without removing all the beneficial bacteria from the system.

A photobioreactor for a large-scale microalgal culture. The photobioreactor includes a plurality of surface-light-source assemblies using a light emitting diode (LED) element, an organic light emitting diode (OLED) element, or a flexible LED sheet as a light source. The surface-light-source assemblies have the shape of a flat plate or a cylinder, are installed at predetermined intervals in the interior space of a reaction tank having the shape of a cube or a cylinder, and emit light for culturing microalgae in an internally illuminated fashion. Here, the surface-light-source assemblies are installed in such a manner that they are alternately in contact with first and second walls of the reaction tank disposed in parallel to each other in a symmetrical shape, and serve as partitions that portion the interior space of the reaction tank and increase a flow distance of gas.

The invention discloses a plenum chamber capable of achieving balanced ventilation, comprising a chamber body, wherein an air inlet hole is formed in the lateral wall of the chamber body, a pore plate and a clapboard are arranged in the chamber body, a plurality of orifices are formed in the pore plate, the pore plate and the clapboard divide the internal space of the chamber body into three areas, including an air inlet area, a first turbulence area and a second turbulence area; the air inlet hole is formed in the lateral wall of the air inlet area, a vertical air outlet hole is formed in the lateral wall of the first turbulence area, a horizontal air outlet hole is formed in the lateral wall of the second turbulence area; and air enters the air inlet area via the air inlet hole, respectively enters the first turbulence area and the second turbulence are via the pore plate and are respectively sent out from the vertical air outlet hole and the horizontal air outlet hole. According to the invention, wall-attached jetting uniformity in the horizontal direction and the vertical direction can be improved, the capability of outlet airflow in mixing with indoor pollution (hot air) is weakened, and air sending jetting distance is increased, and blowing feeling of sending airflow to persons is reduced.

The invention discloses a thermal barrier coating with a thermal barrier and an anti-CMAS corrosion attachment and a preparation process of the thermal barrier coating. The thermal barrier coating isof a double-layer structure and comprises the anti-CMAS corrosion adhesive layer and a thermal insulating layer. The thickness of the thermal insulating layer close to a base body is 30%-60% of the total thickness of the thermal barrier coating, and the thickness of the anti-CMAS corrosion adhesive layer close to thermal current is 40%-70% of the total thickness of the thermal barrier coating. Thethermal insulating layer and the anti-CMAS corrosion adhesive layer are both formed by stacking sheet layers. The sheet layers of the anti-CMAS corrosion adhesive layer can be peeled layer by layer.In the service process of the coating, by means of the large stacked sheet layers, the permeating path of CMAS is obviously increased, the speed of permeating along surface defects of the CMAS is delayed, and the anti-CMAS corrosion capacity of the coating is improved; and on the other hand, the film thermal mismatch stress generated by the temperature change can trigger local layer peeling of theanti-CMAS corrosion adhesive layer, therefore CMAS sediment adhering to the surface of the thermal barrier coating can be removed so that air film hole blockage caused by deposition, near air film holes, of the CMAS can be removed, and the long-time service stability of aero-engine hot end metal components can be greatly improved.

The invention discloses a cigarette filter tip, which belongs to the field of filter tips. The cigarette filter tip comprises a filter tip bar, wherein the filter tip bar is a solid bar, and the surface of the solid bar is provided with continuous grooves or protrusions. The cigarette filter tip prolongs the flowing distance of cigarette smoke to make the smoke softer, and can properly reduce tar and harm.

The invention discloses a combined machining line body for insulation boards. The combined machining line body comprises a front end conveying belt device, an intermediate conveying belt device, a mortar grouting device, a mortar leveling device, a cement backing output device, a drying device, an insulation board cutting device, a movable transmission device and an insulation board placing frame lifter, wherein the mortar grouting device is arranged on the front end conveying belt device, the mortar leveling device is arranged between the front end conveying belt device and the intermediate conveying belt device, the cement backing output device and the drying device are sequentially arranged on the intermediate conveying belt device from the feeding end to the discharging end, the movable transmission device is arranged at the discharging end of the intermediate conveying belt device, the insulation board cutting device is arranged between the movable transmission device and the intermediate conveying belt device, and the insulation board placing frame lifter is arranged at the bottom of the discharge end of the movable transmission device. The novel insulation board machining equipment provided by the invention is simple in operation and process and high in machining efficiency, and can be used for machining insulation boards with uniform surfaces.

The invention discloses a vertical combustion characteristic experiment device capable of controlling gas environments and side wall structures, and belongs to the technical field of experiment teaching or scientific research apparatus. The vertical combustion characteristic experiment device capable of controlling gas environments and side wall structures comprises an experiment table, an analysis control cabinet, a combustible gas bomb group, and a vacuum pump; the experimental table comprises a combustion chamber, a fixing device of variable side wall structures, a gas homogenizing device,a hot flow sensor, a linear ignition device, and a flue gas collecting device; the analysis control cabinet comprises an operation panel, a gas mixing regulating and controlling system, a gas pressureregulating and controlling system, a hot flow data acquisition device, a flue gas toxicity analysis device, a computer host, a computer display, a mouse, and a keyboard; the operation panel comprisesa power supply switch button, a sudden stop button, a measuring starting button, and an igniting button. The vertical combustion characteristic experiment device is used for measuring of characteristic parameters of vertical arranged combustible matters at different gas environments, under different side wall structure conditions, and is mainly used in fire-fighting teaching and scientific research.

The invention relates to a drip-irrigator assembly. The drip-irrigator assembly comprises a jacket member and a flow slowing member, wherein the flow slowing member is inserted in a socket joint of the jacket member through an entrance of the jacket member and comprises a body, the body is provided with a threaded portion in a winding manner, a helical flow passage is formed on the body, and a plurality of gaps are formed in one end, adjacent to the entrance, of the body and communicate with the flow passage, the socket joint of the jacket member can be inserted into a water pipe, and water in the water pipe enters the helical flow passage through the gaps and then flows out of the jacket member so as to carry out drip irrigation operation; the gaps can be used for preventing impurities from entering the helical flow passage, so as to reduce flow passage blockage; in addition, a water flow path can be prolonged by the helical flow passage, and then, the flow velocity is decelerated; and the flow slowing member can be disassembled from the jacket member, so that when the flow passage is blocked, the flow slowing member can be easily disassembled and cleaned, the replacement cost is reduced, and the convenience in use is improved.

The invention discloses an upper insulating plate of a cylindrical-structured lithium battery. The upper insulating plate of the cylindrical-structured lithium battery comprises an upper insulating plate body, and is characterized in that the upper insulating plate body is arch-shaped, a center hole is formed in the insulating plate body, and a thin film is covered on the top of the center hole; a cylindrical baffle is downwards arranged along the circumferential direction of the center hole, and a plurality of groups of diffusion inclined hole groups are formed from the center hole to the outer rim of the upper insulating plate body in the upper insulating plate body; each group of diffusion inclined hole groups is composed of a plurality of diffusion inclined holes, and the sizes of the diffusion inclined holes increase in sequence from the center hole of the upper insulating plate body to the outer rim of the upper insulating plate body; a guide plate group which is composed of a plurality of guide plates is arranged on the bottom of the upper insulating plate body, and is further arranged on the outer side of the cylindrical baffle, and electrolyte solutions, flowing through the plurality of groups of diffusion inclined hole groups, enters the interior of the battery core of the lithium battery along the guide plate group when in use. The upper insulating plate of the cylindrical-structured lithium battery has the advantages that when electrolyte solution filling is conducted by the cylindrical-structured lithium battery of the upper insulating plate, the absorption of the electrolyte solutions is uniform, and the absorption efficiency is high, so that the absorption problem of the electrolyte solutions on the interior of the battery core of the coiling type cylindrical-structured lithium battery are well improved and solved.

The invention discloses an annular uniform cross-section flow equalizing apparatus for cylinder wall-attached air supply. The apparatus comprises an air inlet pipe and a housing, and the housing is an annular barrel with the upper end being closed. The housing sleeves a using cylinder, and the inner wall of the inner barrel of the housing is tightly attached to the outer wall of the cylinder. The air inlet pipe is arranged at the upper end of the housing, the central axis of the air inlet pipe is perpendicular to and intersects with the central axis of the housing, and the air inlet pipe is communicated with the interior of the housing. 2-6 annular separator plates are horizontally arranged in the housing along the axial direction of the housing. The annular separator plates are alternatively arranged on the inner wall of the outer barrel and the outer wall of the inner barrel of the housing from up to down, so that a channel whose cross section becomes larger and smaller alternatively is formed in the housing along the axial direction of the housing. According to the invention, the air-out uniform effect of an annular slot air outlet is improved, the air is blown vertically and downwardly, and the blown air is less mixed with the ambient air, so that the effectiveness of the cylinder wall-attached air supply is improved. The flow equalizing apparatus is applicable to large-space buildings, and is not limited by applications.

The invention relates to a water-cooled self-tempering process of a steel pipe. The process includes the following steps of S1, high-temperature slow cooling, wherein the completely austenitized steelpipe is transferred to a supporting wheel set, the supporting wheel set drives the steel pipe to rotate, the steel pipe is air-cooled to 50-100 DEG C below the holding temperature, and the air cooling time is 10-50 s; S2, middle-temperature water rapid cooling, wherein the steel pipe is simultaneously cooled through a steel pipe outer wall water spraying device and a steel pipe inner wall water spraying device, and the steel pipe is cooled to 550-650 DEG C within 5-20 s; and S3, low-temperature cooling, wherein the steel pipe is slowly cooled to room temperature, and self-tempering treatmentis carried out. The invention further discloses a device for the process. The process and the device have the beneficial effects that the steel pipe is rapidly cooled to 550-650 DEG C, fine pearlite can be obtained when the steel pipe is slowly cooled, the strength of the steel pipe is improved, the impact toughness of materials is stabilized, the tensile strength of the materials can reach about700 Mpa, the yield strength can reach 500 Mpa or above, the impact reaches 50 J or above, other performance can meet the high requirements of users, and energy saving and environmental protection areachieved.

The invention discloses an air flue structure and a refrigerator. The air flue structure is applied in a defroster of the refrigerator. The air flue structure comprises a body and a partition plate, wherein the partition plate is provided with a first plate face on the first side and a second plate face on the second side. At least one air outlet is formed in the partition plate. The body is connected with the partition plate and protrudes out of the first plate face of the partition plate towards the first side. At least one air return opening located in the first side of the partition plate is formed in the body. A ventilating channel communicated with the air return openings is arranged in the body. By means of the technical scheme, the air flow circulating route can be increased, cold air and/or hot air in the defroster makes full contact with food in the defroster, and refrigerating and heating efficiency is improved.

The invention discloses a surface with a self-lubrication function and a preparation method of the surface. The surface is provided with a plurality of long grooves. The long grooves are formed by continuously and repeatedly arranging a plurality of fusiform structural units. Each fusiform structural unit is provided with a wide middle part and two narrow end parts on a plane projection, wherein amain cone is formed by the middle part and one end part, and an auxiliary cone is formed by the middle part and the other end part. The surface is prepared through a light curing 3D printing technology. According to the self-lubrication function and the preparation method of the surface, a fusiform array structure is prepared through light curing 3D printing, advantages are obvious on sample design and manufacture, a die manufacturing process is omitted, the process is simple, the cost is relatively low, and the surface is suitable for being applied on a large scale; and by means of the prepared fusiform array structure, the liquid flowing speed in one direction is large, and the liquid flowing distance is long.

An exhaust system for a combustion engine (1) having a plurality of cylinders (3,4,5,6), a cylinder head (2) and an engine block is provided. The exhaust system comprises an exhaust manifold, which is integrated in the cylinder head (2), flow channels (7,8,9,10), and an exhaust pipe (12), which is connected to a head flange (14) of the cylinder head (2). The flow channels (7,8,9,10) each extend from one of the cylinders (3,4,5,6) to a head flange (14). At least two of the flow channels (7,8,9,10), which are connected to cylinders (7,8,9,10) that are not ignited in succession, are united within the cylinder head (2) and form a common flow channel (15). At least one further flow channel (16), which is connected with a cylinder (4) ignited in succession, is routed separately as far as to the head flange. The common flow channel (15) is united with the further flow channel (16) only in the exhaust pipe (13,13').

The invention discloses a heating radiator. The heating radiator comprises a housing, a heat conducting panel, a heat conducting tray, heat supply plates, heating pipes, a machine head cover and fans, wherein a semi-open space is formed through the housing in an enclosing manner; a closed cavity is formed through the heat conducting panel, the machine head cover and the housing in an enclosing and matched manner; air inlet holes are formed in the machine head cover; air holes are formed in the heat conducting panel; and the heat conducting tray and the heat supply plates are sequentially arranged in the space formed by the heat conducting panel and the housing. According to the heating radiator, when the heating function is required, the fans work to suck external low-temperature air into the heating radiator; as the apertures of the air holes in the heat conducting panel are relatively small, and the laminated structure of the heat conducting panel, the heat conducting tray and the heat supply plates is arranged, the flowing distance of air in the heating radiator is increased, the flowing time of air in the heating radiator is prolonged, and accordingly, the heating efficiency is high; and heating elements in the heating pipes are made of carbon fibers, and outer pipes are made of a quartz and glass lead material or stainless steel, so that the heating efficiency and the calorific value can be improved.

The invention relates to an apparatus for treating municipal overflow sewage. The apparatus comprises a shell, the inner upper part of the shell is provided with a material inlet, a filtering device is arranged below the material inlet, the filtering device comprises a hollow-out conveyor belt, the conveyor belt moves relative to the shell, a plurality of limiting hooks perpendicular to the conveyor belt are slidably inserted into the conveyor belt, and a control device for controlling the sliding of the limiting hooks is arranged below the conveyor belt; the side surface of the shell is provided with a material outlet, and a material discharge plate extending to a position below the conveyor belt is mounted at the material outlet; and a water storage barrel is arranged below the filteringdevice, a centrifuging device is mounted in the water storage barrel, and the water storage barrel is communicated with a mud outlet pipe and a water outlet pipe. The filtering device is arranged topre-separate solid wastes, so obstruction is not prone to occur in the water storage barrel and the whole sewage treatment process.

PURPOSE: A noncontact conveying plate for a large area panel is provided to minimize the generation of tremor due to vibration generating while transferring a target object, and to properly maintain the floated flatness of the target object. CONSTITUTION: A noncontact conveying plate for a large area panel comprises a lower plate(10), an upper plate(30), a vacuum branch plate, and an air branch plate(20). The lower plate comprises an air port(a1) and a vacuum port through which air and vacuum pressure are respectively supplied from the outside. The lower plate is connected to the vacuum port at the top to form a vacuum chamber. The upper plate comprises an air chamber, air holes, and vacuum holes. The vacuum branch plate is arranged between the lower plate and the upper plate and is connected to the vacuum chamber to form a vacuum load for delivering the vacuum pressure to the vacuum holes. The air branch plate is arranged at the top or the bottom of the vacuum chamber.