105 results about "Bottom type" patented technology

The invention relates to a low furnace pressure convective continuous roller hearth type annealing furnace, which comprises a charging magazine, a heating chamber, a strong cooling chamber and a roller way driving system, wherein an internal circulation draught fan and a plurality of heating elements are arranged in the heating chamber, both an air inlet and an air outlet of the internal circulation draught fan are located in a furnace body of the heating chamber, the air inlet is vertical to the plane of a roller way, the air outlet is parallel to the plane of the roller way, an external circulation draught fan, a heat exchanger and a baffle plate are arranged in the strong cooling chamber, the baffle plate is located in the middle portion of the furnace body of the strong cooling chamber, the roller way is located between the heat exchanger and the baffle plate, an upper opening and a lower opening are respectively opened on the top and the bottom of the furnace body of the strong cooling chamber, the air inlet of the external circulation draught fan is communicated with the upper opening, the air outlet of the external circulation draught fan is connected with the lower opening through a connecting pipe which is arranged outside the strong cooling chamber, the complex number of nozzles are evenly distributed on the baffle plate, and the upper portion and the lower portion of the furnace body of the strong cooling chamber are communicated only through a complex number of nozzles. The annealing furnace of the invention has the advantages of even heating, rapid cooling, high efficiency and the like.

The invention discloses a soldering set for agitating friction welding with an adjustable inclined angle and a concave-top and convex-bottom type shaft shoulder and a method thereof, relating to a soldering set for agitating friction welding and a method thereof. With the invention, the problems that a leading-in hole and a leading-out hole are required to be pre-fabricated in the conventional dual-shaft shoulder self-held agitating friction welding, and the thermal input amount in the agitating friction welding process is too large to cause decreased joint performance are solved. The soldering set comprises an upper cylinder, a lower cylinder, a main agitating needle, an auxiliary agitating needle which are orderly arranged from top to bottom and fabricated into one piece, the lower end face of the lower cylinder is a concave shaft shoulder face, and the upper end face of the auxiliary agitating needle is a convex shaft shoulder face. The method comprises the following steps of determining size of the auxiliary agitating needle; determining a lower included angle between the convex shaft shoulder face and the soldering set central axis; determining use length of an agitating body; determining an upper included angle between the concave shaft shoulder face and the soldering set central axis; adjusting the inclined angle of soldering set; and carrying out the agitating frictionwelding of a hollow unbraced structure. The invention is used for soldering the hollow unbraced structure.

The invention discloses a name method and a system of a desktop folder. The name method of the desktop folder comprises that when monitoring a source program is going to be dragged to a target program, according to a predetermined list with some application program types, the corresponding first type and the second type of the source program and the target program and the corresponding first type tree table and the second type tree table of the source program and the target program are determined respectively; whether the first type tree table and the second type tree table exist some same types or not is determined; If the first type tree table and the second type tree table exist the same types, a type of the bottom type of the type tree structure is named the name of the folder. The name method and the system of the desktop folder have the advantages that users can search conveniently because the folder accurately reflects the containing application program thereof by acquiring the first type and the second type of the source program and the target program respectively and naming the folder according to the dynamic state of the first type and the second type, so that the usage of the name method and system of a desktop folder is convenient.

The present invention provides a stirring/guide multi-phase reactor, comprising a cylindrical sealed shell, a guide cylinder, a stirring device, air inlet device and an air outlet device; wherein, the cylindrical sealed shell is provided with a material inlet and outlet device; the lower part inside the shell is provided with the guide cylinder with an external diameter smaller than the internal diameter of the shell, a clearance is left between the guide cylinder and the shell bottom; the stirring device is arranged in the clearance between the guide cylinder and the shell bottom and comprises a stirring shaft and a blade fixed on the stirring shaft; the stirring shaft passes through the shell bottom and extends out of the shell; the air inlet device is arranged on the shell bottom and/or a lateral wall and the air outlet of the air inlet device is arranged below the blade; the air outlet device is arranged on the shell top. The stirring/guide multi-phase reactor provided by the present invention, which adopts the combination of the bottom-type stirring device and the guide cylinder, only needs comparatively low energy consumption to reach and even surpass the air rate the multi-layer or single-layer stirring reactor requires a plurality of times of energy consumption. Due to short mixing period and high effective energy utilization, the reactor is suitable for various industrial processes.

The invention provides a water pumping communicating test method for a drop-bottom-type water-stopping curtain. The water pumping communicating test method is realized by the drop-bottom-type water-stopping curtain at the boundary of a foundation pit, the foundation pit and a plurality of test well sets, wherein each test well set is composed of a water pumping well in the foundation pit, and a plurality of observation wells arranged inside and outside the foundation pit correspondingly. According to the test method, an on-site water pumping communicating test is conducted at the earlier stage, the variation law of the water levels inside and outside the pit is monitored, and test data are collected; at the later stage of the test, by analyzing the variation law of the water levels of thetest wells inside and outside the foundation pit, the seepage isolating effect of the drop-bottom-type water-stopping curtain can be effectively evaluated, the influence on peripheral ground settlement after foundation pit dewatering is predicted, the strong basis is provided for later-stage dewatering optimal design, and the safety guarantee is provided for excavation construction of the foundation pit.

The invention discloses a roller-bottom type normalizing furnace bottom-roller changing method, which adopts a method of coaxially arranging new and old bottom rollers of a furnace, maintaining balance to hoist and rotating by 180 degrees for transposition; the method is simple and convenient to be operate, directly rotates the new bottom roller of the furnace to the position of the bottom roller of the furnace needed to be changed, and does not need to dismount the body of the furnace; therefore, the roller-bottom type normalizing furnace bottom-roller changing method can implement changing under the situation of maintaining the temperature inside the furnace and does not need to raise the temperature again, thus being capable of saving the product cost and improving the production efficiency. As the complex hoisting out and hoisting in processes are not needed, the changing time for the bottom roller of the furnace can be greatly shortened, which only needs about 6 hours, thereby being capable of ensuring the normal running of production to the largest extent, saving the manpower and material resources for changing the bottom roller of the furnace and improving the working efficiency for changing the roller.

The invention discloses a roller bottom type saw web quenching line. The quenching line comprises a feeding table, a heating furnace, an automatic quenching flattening system, a discharged material cleaning tank and a discharging table which are connected in sequence. The heating furnace is mainly composed of a furnace shell, a furnace lining, a radiant tube electric heating element, transmission carrier rollers, a delivery mechanism, a protective atmosphere pipeline system and a homogenizing fan, wherein the transmission carrier rollers are arranged in the furnace shell and used for supporting and delivering workpieces, and the transmission carrier rollers are leveled horizontally to be located on the same horizontal plane. The automatic quenching flattening system is mainly composed of an oil groove, a press, a deoiling rubber roller device and an external auxiliary oil tank, wherein the oil groove comprises a main oil groove part and an auxiliary oil groove part, the main oil groove part and the auxiliary oil groove part are provided with two filter screens, and the press comprises an upper pressure plate and a lower pressure plate. The discharged material cleaning tank is a cuboid cleaning water tank formed by tight welding of sheet steel and sectional steel, and a sprinkling pipe is arranged on top of the cleaning water tank. According to the production line, interval continuous operation is adopted from feeding to discharging, equipment maintenance is convenient and safe, heating transmission and quenching flattening are conducted in different stages, and production efficiency is improved.

The invention discloses a sloping bottom type subsurface flow constructed wetland combined system, and relates to a sloping bottom type subsurface flow constructed wetland combined system applicable to slope topography. The sloping bottom type subsurface flow constructed wetland combined system is mainly used to solve the problems that a conventional constructed wetland technology is difficult to be applied to the slope topography, or a purification space is idle, a treatment effect is bad, the construction cost is high, the cost-efficiency ratio is low and the like when the conventional constructed wetland technology is applied to the slope topography. The constructed wetland combined system is formed by connecting at least three-stage pool body units which are distributed in a stepped manner from top to bottom according to the slope gradient in series, the pool bottom of the pool body units is a slope surface, and the pool body units are sequentially an aeration pool unit, a horizontal flow constructed wetland unit and an up-flow constructed wetland unit from top to bottom. The sloping bottom type subsurface flow constructed wetland combined system brakes through the limitation to the application of constructed wetlands caused by the slope topography, is good in treatment effect, simple in structure, simple and convenient to construct and low in cost, expands the application range of the constructed wetlands, and can be widely applied to treatment of various types of sewage in slope regions such as mountain lands, hills and water body banks.

The invention discloses a bottom type steam generation device. The bottom type steam generation device comprises a steam generator, a first temperature sensor and a controller. The steam generator comprises a water container and a heater connected with the water container. The heater is used for heating the water container. The first temperature sensor is used for detecting the temperature of the water container. The controller is used for turning on the heater, so that the water container is heated, and the controller is also used for acquiring the temperature of the water container. The controller is used for judging whether the temperature of the water container is larger than a set temperature or not, and if yes, the controller is used for turning off the heater. According to the bottom type steam generation device, whether the temperature of the water container is larger than the set temperature or not is judged by the temperature sensor so that whether water scale exists in the water container or not can be judged, if yes, the heater is turned off by the controller, and then the water container can be prevented from being damaged. The invention further discloses a control method of the bottom type steam generation device.

The invention relates to a boat-bottom-type top face rhombus supporting pillar insulator string of the roof of an electric locomotive. The boat-bottom-type top face rhombus supporting pillar insulator string is composed of a boat-bottom-type top face insulator sheet (1), a top armor clamp (2), a small umbrella skirt insulator sheet (3), a rhombus supporting pillar (4), an underframe fastening base (5) and an umbrella skirt inner side frost stopping pad (6). The boat-bottom-type top face rhombus supporting pillar insulator string is installed on the roof of the electric locomotive, the left side and the right side are provided with the boat-bottom-type top face insulator sheet (1) and the acute corner of the rhombus supporting pillar (4) respectively, when the electric locomotive runs in the heavy fog weather, the rhombus acute corner of the rhombus supporting pillar (4) guides collided supercooled water drop fog, ice crystal fog and the like in the running direction to the two sides of the rhombus supporting pillar (4), the ice crystal fog is prevented from being gathered on the rhombus supporting pillar (4) to form frost-shaped ice, and fog flicking faults caused by formation of conductive layers on the surface of the insulator string are prevented. The umbrella skirt inner side frost stopping pad (6) rich in grease has the hydrophobic character, dirty fog water drops can be prevented from being coagulated on the surface of the umbrella skirt inner side frost stopping pad (6), the inner sides of umbrella skirts of the supporting pillar insulator string are kept in the drying state, and the fog flicking faults caused by the formation of the conductive layers on the surface of the insulator string are prevented.

The invention relates to a roller bottom type tunnel heating furnace. The furnace comprises a furnace body, a plurality of burners and a sealing device, a first automatic flame cutting gun and a second automatic flame cutting gun, the furnace body comprises a furnace top, a furnace bottom roller and two side furnace walls, the plurality of burners are arranged on the inner wall of the furnace wallat intervals; the sealing device is arranged in the furnace body; a cutting gun furnace door is arranged at one side end of the sealing device, and the first automatic flame cutting gun correspondingto the cutting gun furnace door is arranged outside the furnace wall; the first automatic flame cutting gun is obliquely arranged relative to the longitudinal section of the furnace body; the secondautomatic flame cutting gun is arranged at the outlet position of the furnace body; and the second automatic flame cutting gun is obliquely arranged relative to the longitudinal section of the furnacebody, and the inclination direction of the second automatic flame cutting gun is opposite to the inclination direction of the first automatic flame cutting gun. The roller bottom type tunnel heatingfurnace can obviously shorten the length of the heating furnace on the premise of ensuring the heating effect, so that the deviation probability of casting blanks in the furnace can be greatly reduced, and the equipment cost can be remarkably reduced.

The invention discloses an air distributor for a floatation machine. The air distributor has a cylindrical structure of which the edge of the upper end is provided with a lug boss; the sidewall of the cylindrical air distributor is provided with a plurality of sidewall holes; and the shape of each sidewall hole is circular, elliptic or semi-circular. The air distributor is designed into a through type or a bottomed type cylindrical structure, and the sidewall and/or the underside of the cylindrical structure are/is provided with the holes, so that the air distributor can reasonably distribute the charged air among impeller stators and optimize the mineralizing effect. The air distributor has the advantages of simple structure, convenient installation and high efficiency and is widely applicable to floatation equipment.

The invention discloses a unit connection and arbitrary combination type Chinese dinner gas stove energy collecting device comprising a hearth, connectors, unit energy collecting plates, an iron boiler and a gas stove head, wherein the side wall of the hearth is provided with the connector; the unit energy collecting plates are sector-shaped plates; two circular arc sections of the sector-shaped plates are respectively provided with connectors; the plurality of sector-shaped plates are mutually connected or connected with the connector on the side wall of the hearth to form a boiler bottom type energy collecting surface; each unit energy collecting plate is made of cordierite radiation ceramic; air holes are formed in the unit energy collecting plates; the diameter of the holes is 1.2-1.8mm and the distance between the holes is 1.6-2.1mm; and one surface, facing the bottom of the hearth, of each unit energy collecting plate, is coated with a VK-TC03 type low-radiation-rate coating. The unit connection and arbitrary combination type Chinese dinner gas stove energy collecting device disclosed by the invention is applicable to Chinese dinner gas stoves with different sizes; the unit energy collecting plates can reflect one part of heat radiation which is not used and absorb a large part of heat in hot waste gas to generate heat radiation again; and the heat radiation is used for heating the iron boiler for the second time so that the heat utilization rate of the Chinese dinner gas stove is improved.

The invention discloses a sloping bottom type integrated vertical-flow constructed wetland system, relates to a sloping bottom type integrated vertical-flow constructed wetland system applicable to slope topographies and mainly solves the problems that existing integrated vertical-flow constructed wetland technologies can hardly be applicable to the slope topographies, or land is required to be excavated and leveled, construction costs are high and the construction difficulty is high when the technologies are applied to the slope topographies. The constructed wetland system is a two-stage wetland unit of a frame-structure pool formed through step-shaped adjacent distribution of an upper-stage wetland unit and a lower-stage wetland unit, wherein the bottom of the frame-structure pool is a slope surface, the upper-stage wetland unit is a downstream constructed wetland unit, and the lower-stage wetland unit is an upstream constructed wetland unit; matrixes are arranged in the frame-structure pool, and plants are planted in the matrixes. The system has the good treatment effect, adopts the simple structure and is convenient to construct, low in cost and capable of being widely applied to all kinds of sewage treatment of slope areas such as mountains, hills, water banks and the like.

The invention discloses a sloping-bottom type seed germination box which is composed of a transparent box body, a transparent box cover, supporting feet, an air hole and an overflow hole. The supporting feet are located on the lower surface of the box bottom and put up one end of the box body to make the bottom face of the seed germination box have an included angle to the horizontal plane; the overflow hole is formed in the lower portion of the box wall at the low end of the box body and has a certain distance from the box bottom, and the box wall and the box bottom which are below the height of the overflow hole together form a reservoir in the seed germination box; the air hole is formed in the box cover. The sloping-bottom type seed germination box is simple in structure and convenient to use. Seed germination experiments are conducted by using the sloping-bottom type seed germination box, times of adding water can be reduced, germinating beds can be kept in a moist state all the time, influence on the seed germination due to too much water or too little water can be prevented, directional growth of seed roots can be achieved, and determination can be conducted on characters such as root length conveniently.

The invention provides a manufacturing method of a roll collar material of a water cold furnace roller, belonging to the technical field of steel rolling. The roll collar material of the water cold furnace roller is manufactured from a CoCr alloy material by adopting a vacuum melting process combined with a vacuum paraffin casting mould process, wherein the CoCr alloy material comprises the following components by weight percent: 0.220% of C, 1.400% of Si, 0.900% of Mn, 28.030% of Cr, 49.360% of Co, 0.050% of Nb, less than or equal to 0.019% of P, less than or equal to 0.06% of S and the balance of Fe. when the CoCr alloy material roll collar and the casting process thereof provided by the invention are used in a roll bottom type soaking pit furnace, the precipitation of carbides is effectively inhibited and delayed, the formation of net-shaped carbides is prevented, the strength and hardness of the roller collar are enhanced, the temperature resisting, and abrasion resisting and creep resisting properties of the roll collar are improved and the roll collar dose not generate steel-adhering and nodulation phenomena when hot blank is transmitted by silicon steel.