31results about How to "Reflow in time" patented technology

The invention discloses a low-nitrogen combustor. A gas injection mechanism divides the fuel into a main fuel area located in the center and ejecting the fuel from a gas main nozzle and a peripheral fuel area located around and ejecting the fuel from an auxiliary gas outlet hole of an annular gas outlet pipe, part of combustion-supporting air is mixed with fuel gas of the main fuel area to form acentral combustion area, part of combustion-supporting air is mixed with fuel gas of the peripheral fuel area to form a peripheral combustion area, generation of nitrogen oxide can be inhibited through the peripheral combustion area, the combustion temperature is lower, and meanwhile the emission effect of the nitrogen oxide is reduced; a plurality of groups of auxiliary gas outlet holes which areannularly distributed are formed in the annular gas outlet pipe, so that the temperature of the peripheral combustion area can be more uniform, and the local high temperature can be avoided; and under the action of a rotational flow mechanism, negative pressure is formed in the central combustion area, timely backflow of high-temperature flue gas is guaranteed, combustion is more sufficient, flame disturbance is enhanced, and combustion efficiency is improved.

The invention discloses a sintered soaking plate which comprises a closed casing, a capillary structure, a supporting stricture and working fluid, wherein the closed casing is formed in such a way that a metal circular pipe is flattened and both ends of the metal circular pipe are closed; the capillary structure is sintered on the internal wall of the closed casing; the supporting structure is formed by stamping wire meshes; the working fluid is filled in the closed casing; and the supporting structure is arranged in the hollow cavity of the closed casing. The invention also discloses the manufacturing method of the sintered soaking plate. The capillary structure of the soaking plate has small thermal contact resistance with the internal surface of the closed casing and strong capillary force, thereby being convenient for the working fluid to flow back to an evaporating surface. The supporting structure is formed by directly stamping the wire meshes and manufactured conveniently, the mesh screens of the wire meshes and stamped grooves are used as channels where steam flows, and the channels are beneficial to the effective diffusion of the steam and also used as return channels of the working fluid. The soaking plate has simple structure and can be especially applied to the heat-dissipating design of large-scale servers.

The invention discloses a multifunctional energy-saving stove, which comprises a stove body, wherein the stove body is divided into a lower stove body, a middle stove body and an upper stove body; a firing device is arranged in an inner cavity of the lower stove body; a gas preparation box is arranged on the inner side of a cavity wall of the middle stove body and comprises an outer wall and an inner wall, the inner wall is enclosed and rolled into a combustion cavity, the cavity wall of the middle stove body is used as the outer wall of the gas preparation box, and the inner wall and the outer wall defines a water storage cavity; a gas storage box is arranged on the outer side of the cavity wall of the middle stove body, and the cavity wall of the middle stove body is used as the cavity wall of the gas storage box; the upper stove body comprises a main combustion cavity and a branch combustion cavity communicated with each other, the main combustion cavity is positioned right above the combustion cavity and is provided with a main stove port, and the branch combustion cavity is positioned on the side surface of the main combustion cavity and is provided with an auxiliary stove port; the gas preparation box is provided with a water inlet, a water outlet and a steam leading-out port; the gas storage box is provided with a steam leading-in port and a steam distribution port; thesteam leading-out port is communicated with the steam leading-in port through a steam pipeline; and a vapor-liquid separator provided with a pressure regulating system is arranged on the steam pipeline. The multifunctional energy-saving stove realizes multiple functions, and reduces energy resource wastes.

The invention discloses a jumper wire double-speed chain conveying line. The jumper wire double-speed chain conveying line comprises a first conveying part, a second conveying part and a third conveying part which are used for synchronously realizing forward conveying and reverse conveying, wherein the first conveying part comprises a double-layer double-speed chain line which is formed by stacking two unit layers in different conveying directions, the second conveying part comprises double-sided double-layer double-speed chain lines which are formed by combining four unit layers, the conveying direction in the same layer is the same, the third conveying part comprises an operation line based on the double-sided double-layer double-speed chain lines, a curing line is arranged between the two double-sided double-layer double-speed chain lines, the curing line comprises a current collecting device arranged in a heat preservation shell, the operation line comprises a plurality of machining stations arranged on the double-sided double-layer double-speed chain lines, the machining station are of bidirectional roller conveying assemblies composed of rollers, steering assemblies corresponding to the machining stations are arranged on the double-sided double-layer double-speed chain lines, a bundling packaging station is further arranged at the tail end of the operation line, and lifting machines used for transferring materials on the upper layer and the lower layer are correspondingly arranged at the starting end of the first conveying part and the tail end of a detection part.

The invention provides an intelligent foam metal reinforced boiling heat transfer cooling device. The intelligent foam metal reinforced boiling heat transfer cooling device comprises a sealing cavity(5), wherein the sealing cavity (5) is filled with a refrigeration fluid (2); a bottom intelligent foam metal (3) is fixed on the inner surface of the bottom of the sealing cavity (5) and is immersedinside the refrigeration fluid (2); a top foam metal (7) is fixed on the inner surface of the top of the sealing cavity (5); a guide pipe (5) is arranged at the upper end of the side surface of the sealing cavity (5); a draught fan (1) is arranged on the outer surface of the top of the sealing cavity (5). The bottom intelligent foam metal (3) has a whole memory effect, and the porosities and poresizes of the foam metals change along with temperature. According to the cooling device provided by the invention, boiling heat transfer is reinforced by using the intelligent foam metals, the evaporation core and heat transfer areas are increased, the flow resistance is also reduced, and the escape speed of bubbles is increased effectively, so that the heat transfer quantity is obviously increased, and the cooling capacity is greatly strengthened.

A thrombus aspiration catheter comprises an aspiration catheter body, a guide wire and a Luer taper, wherein the guide wire is arranged at the front portion of the aspiration catheter body through a guide wire base, and the Luer taper is arranged at the rear portion of the aspiration catheter body in a through mode. The thrombus aspiration catheter is characterized in that a thrombus stripping frame is arranged between the aspiration catheter body and the guide wire base; the thrombus stripping frame comprises cutting slices, and the middle section of each cutting slice protrudes in the radial direction of the aspiration catheter body; at least one edge of each cutting slice is an acute-angle edge. The outer edge of the section C of each cutting slice involves the angle alpha and the angle beta, one of the angle alpha and the angle beta can be an acute angle, alternatively, both the angle alpha and the angle beta can be acute angles, and it is guaranteed that the outer corner of the section C is sharp enough. When operated to rotate in a blood vessel, the thrombus stripping frame can thoroughly clear away thrombi.

The invention relates to a sample dyeing vat, in particular a rope-like dyeing vat with an ultra-low bath ratio, which belongs to the technical field of dyeing vats. It includes a vertical cylinder body, the lower part of the vertical cylinder body is provided with a first cloth groove and a second cloth groove side by side; the upper part of the vertical cylinder body is provided with a cloth lifting wheel, and the lower part of the vertical cylinder body is equipped with a first nozzle and a second nozzle ; The left and right sides of the middle of the vertical cylinder body are respectively provided with a first inlet and outlet end and a second inlet and outlet end. The invention can operate and work at the same liquor ratio as the large-scale dyeing vat, and can realize the same process flow of the small-sample vat and the large-volume production dyeing vat during fabric rope dyeing, thereby ensuring the perfect reproduction of the dyeing factory from proofing to large-scale production It can increase the one-time success rate of dyeing, thus helping dyeing factories to achieve energy saving and environmental protection.

The invention discloses a hydraulic-hydraumatic comprehensive driving axle gear box body for a high-speed railway maintaining vehicle. The hydraulic-hydraumatic comprehensive driving axle gear box body comprises a box cover, an upper box body and a lower box body, wherein a motor mounting flange base, a motor input spline shaft bearing base, an input gear shaft bearing base, a middle shaft bearing base and an output shaft bearing base are arranged on the box body; the box body is provided with an upper subdivision part and a lower subdivision part; the motor mounting flange base, the motor input spline shaft bearing base and the input gear shaft bearing base have the same first central axis; the first central axis is located on the upper subdivision part; a second central axis of the middle shaft bearing base and a third central axis of the output shaft bearing base are respectively located on the lower subdivision part and are vertical to each other; the first central axis and the second central axis of the middle shaft bearing base are parallel to each other; the first central axis is deviated from the second central axis for a distance S; the deviating direction is away from one side of a pull arm mounting base. The hydraulic-hydraumatic comprehensive driving axle gear box body has the advantages of compact structure, small volume, reasonable layout and easiness in manufacturing and maintaining.

The invention discloses an electric cooker and its anti-overflow control device and anti-overflow control method, wherein the anti-overflow control method includes the following steps: after the electric cooker enters the boiling stage, the electric cooker is controlled to heat with the first power Work; when steam bubbles are detected, control the electric cooker to stop heating, and after the first preset time, obtain the recovery power to control the electric cooker to resume heating, and use the recovery power to control the electric cooker to perform heating work until again When steam bubbles are detected, control the electric cooker to stop heating, and after the first preset time, obtain the recovery power to control the electric cooker to resume heating again, and control the electric cooker to perform heating work with the recovery power, and so on alternately, Until the end of the boiling phase, the recovery power obtained each time decreases successively, so that not only can effectively prevent the electric cooker from overflowing, but also ensure that the electric cooker can fully boil when cooking food.

The invention discloses an electric cooker, an anti-overflow control device and an anti-overflow control method thereof. The anti-overflow control method comprises the following steps: controlling theelectric cooker to perform heating operation with pre-set power-adjusting ratio and detecting steam foams generated by the electric cooker; controlling the electric cooker to stop heating if steam foams are detected and obtaining heating time of the electric cooker in the current power-adjusting period as well as calculating restoration power-adjusting ratio after the electric cooker stops heating according to heating time within the current power-adjusting period and pre-set power-adjusting ratio; and controlling the electric cooker with the restoration power-adjusting ratio to perform heating operation when the electric cooker stops heating for the set time T. Therefore, restoration heating power-adjusting ratio is calculated after the electric cooker stops heating on the basis of heating power-adjusting ratio of the electric cooker. In this way, the electric cooker is effectively prevented from overflowing. Food can be fully boiled during the cooking process of the electric cooker.

The invention discloses a thin oil lubricated drum gear coupling, which includes a main shaft, a roller end assembly E, a tooth end assembly F, an oil inlet ring assembly H, a spring assembly, a roller end assembly E, a tooth end assembly F and The oil inlet ring assembly H is set on the main shaft, the spring assembly is set in the main shaft, and the roll end assembly E is an adjustable roll end assembly, which includes the roll end bushing, the roll end connection plate, the outer centering, the inner centering, the roll end top block, roll end outer ring gear, roll end connecting plate and outer centering are all connected with the roll end bushing, inner centering and roll end jacking block are connected with the roll end connecting plate, and the roller end bushing is connected with the roll end outer The ring gear meshes, and the outer ring gear at the roller end matches the main shaft. The invention overcomes the shortcomings of the existing thin oil lubricated drum gear coupling, improves the overall service life of the thin oil lubricated drum gear coupling, and satisfies the requirements of the working characteristics of the continuous rolling mill. At the same time, the invention also reduces the production cost of the hot continuous rolling mill and creates benefits.

The invention discloses a cylinder head cover with a cooling function. The cylinder head cover comprises a cylinder head cover body. A wavy upper side wall is formed at the upper end of the cylinder head cover body. A sealing cover plate is arranged on the upper portion of the upper side wall. The sealing cover plate is fixed on the upper end plane of the cylinder head cover body through a plurality of bolts. The upper end plane is higher than the wave crest end of the upper side wall. A sealing pad is clamped between the sealing cover plate and the upper end plane. The upper end portion of the cylinder head cover body, the sealing cover plate and the sealing pas form a cooling cavity. The two ends of the cylinder head cover body are each connected with a cooling liquid pipe assembly communicating with the cooling cavity. One of the two cooling liquid pipe assemblies is used for input, and the other cooling liquid pipe assembly is used for output. A cooling cavity is formed in the cylinder head cover and can be connected with condensed water, the condensation effect of oil mist can be effectively improved, thus, oil can flow back to an oil sump in time, and an engine can be effectively protected.

The invention discloses an electric cooker and an anti-overflow control device and method thereof. The anti-overflow control method includes the steps that after the electric cooker enters a boiling stage, the electric cooker is controlled to conduct heating at a preset power regulation ratio, and steam foam generated in the cooking process of the electric cooker is detected through a foam detection device; when the detection device detects the steam foam, at least two different power regulation ratios are acquired, and the electric cooker is controlled to conduct alternate heating according to the power regulation ratios to prevent the electric cooker from overflowing and ensure full boiling in the electric cooker. By means of the electric cooker and the anti-overflow control device and method thereof, at least two different power regulation ratios can be adopted for alternately controlling the electric cooker to continue working when the foam detection device detects the steam foam,and therefore the electric cooker can be effectively prevented from overflowing and full boiling in the food cooking process of the electric cooker can also be ensured.

The invention discloses a multifunctional sugarcane ploughing and sowing all-in-one machinecomprising a machine frame and a driving device; the whole machine structurally comprises a rotary blade shaft assembly, a furrow opener, a water and pesticide spraying device, a fertilizer applying assembly, a seed cutting and arranging assembly, a film spreading device, a soil covering device and a seat bracket in sequence from the first row to the eighth row along the running direction, wherein the film spreading device is attached on the middle lower part of the inner side of a soil dividing and guiding plate of the furrow opener; the water and pesticide spraying device, the fertilizer applying assembly and the seed cutting and arranging assembly are respectively arranged on a platform arranged above the furrow opener; and the soil covering device is attached on the middle upper part of the outer side of the soil dividing and guiding plate at both sides of the furrow opener. The technical problems including incomplete function, complex structure, high cost and poor landform adaptability existing in the traditional similar machine are solved by the technical improvement; the machine has the functions of rotary tilling, furrow opening, water and pesticide spraying, fertilizer applying, seed cutting, film spreading and soil covering, the structure is simplified, the manufacturing cost is reduced, and meanwhile, the production efficiency is increased.

The invention belongs to the field of underground engineering construction equipment, and in particular relates to a self-sealing manhole cover for underground engineering construction based on the principle of thermal evaporation, including a base and a cover body, the lower edge of the base extends inward to form a support seat, and the upper edge extends outward Extend to form a snap seat; the edge of the cover is attached to the base, and the cover is provided with: a plurality of drain holes, the upper end of the drain hole is set on the upper surface of the cover, and the lower end of the drain hole is set on the inner side of the lower end of the cover On the wall; the installation groove, the installation groove is set at the center of the upper surface of the cover; the liquid storage box, the liquid storage box is fixedly installed in the installation groove, and there are multiple vertically arranged support bars in the array distribution of the liquid storage box, the liquid storage box The inside is filled with low-boiling evaporating liquid; the heat conduction plate is fixedly connected to the upper end of the liquid storage box. The present invention can seal the upper end of the drainage hole by setting the arc-shaped sealing block, prevent it from being blocked by pebbles or mud blocks, keep drainage unobstructed in rainy days, and ensure that a large amount of accumulated water does not occur on the construction site.

The invention discloses a colorful regeneration permeable concrete for road and a preparation method thereof. The colorful regeneration permeable concrete consists of aggregate, a cementing material, polypropylene fiber, a water reducing agent, pigment and water; the cementing material consists of silicate cement and mineral waste residue; the ratio of water to glue is 0.27-0.33; the mass ratio of the aggregate to the cementing material is 2.82-3.80; the aggregate consists of coarse aggregate and fine aggregate; the coarse aggregate consists of natural broken stone and regeneration broken stone prepared from waste concrete; the fine aggregate is common water-washing medium sand; the mass of the fine aggregate is 5-20% of the mass of coarse aggregate; the mass of the polypropylene fiber is 0.1-0.3% of the mass of the cementing material; the mass of the polycarboxylic acid water reducing agent is 0.5-1.5% of the mass of the cementing material; and the mass of the pigment is 2.5-7.5% of the mass of the cementing material. Through the combination of recycled aggregate and common aggregate, the invention can recycle the waste resources and solve the problem of low strength.

The invention discloses a treatment process for refluxing bagasse and belongs to the industrial field of refined sugar. The treatment process for refluxing the bagasse specifically comprises the following steps: (1) shunting the bagasse; (2) introducing the bagasse into a boiler; and (3) carrying out refluxing. Through the treatment process for refluxing the bagasse, the bagasse is annularly circulated and conveyed on a conveying belt, so that conveying devices and sites are reduced; the residue bagasse after combusting can be refluxed in time; the amount of the bagasse combusted by the boiler can be adjusted in time; the operation parameters of the boiler are relatively stable; the labor intensity of operators can be reduced.