8508results about How to "Lower the altitude" patented technology

A closed multi-room fluidized bed sludge drying method is provided, which is a sludge drying method having the advantages of simple equipment structure, convenient operation, strong sludge adaptability, high thermal efficiency, safety, continuity, stability, etc. After the mechanically dewatered sludge is mixed with the back-mixed sludge, the mixture is dried room by room in an inert particles multi-room fluidized bed dryer (3). The first room and the second room of the inert particles multi-room fluidized bed dryer (3) adopt inert particles (f) as heat storage medium. Gas from a cyclone separator (5) goes through a spray tower (7) and returns into an air heating unit (4) through a circulating fan (10). Part of dried sludge (e) at the lower part of the cyclone separator (5) enters the inert particles multi-room fluidized bed dryer (3) through the back-mixing in a mixer (2). Waste liquid from the bottom of the spray tower (7) enters a waste liquid circulating pool (8), with part of waste liquid circulating into the spray tower (7) and part into a sewage treatment system.

The invention relates to the field of communication and transportation, in particular to a ballastless track board lifting support. The ballastless track board lifting support comprises a threaded rod, a plurality of buckles, two fixing nuts matched with the threaded rod, and four supporting rods made of channel steel; the ends of two adjacent supporting rods are rotationally connected with one buckle, and the four supporting rods are connected end to end in sequence to form a quadrilateral supporting frame; the lengths of two adjacent supporting rods in the supporting frame are the same; the threaded rod penetrates through two through holes in one group of the symmetrical buckles in the support at the same time to be connected with the through holes in a sleeved mode, and the two fixing nuts are arranged at the two ends of the threaded rod to be used for positioning the two buckles; in another group of vertexes, one vertex is fixed onto a base board through one buckle, and the other vertex is fixed onto a truck board through one buckle. According to the ballastless track board lifting support, concentrated stress on the damaged track board in a lifting process is reduced, and therefore the possibility that the track board is damaged in a lifting repair process is further reduced.

The invention discloses a dual-polarized antenna structure, an antenna housing and a designing method thereof. The dual-polarized antenna housing comprises multiple layers of medium substrates, wherein a plurality of metal patterns arranged in an array mode are arranged on the surface of each medium substrate, and are not changed in the patterns which are rotated at 90 degrees around the axle center vertical to the medium substrate.

The invention relates to the field of cooking equipment, and discloses an improved bottom leaking and spraying device and a cooking machine. The cooking machine comprises a pot body and a bottom filtering and leaking device, wherein the bottom of the pot body is provided with an opening; a bottom leaking and spraying device is installed at the opening and comprises a hollow vertical leaking pipe and a rotary spray plug; and the top surface and/or the side surface and/or the lower surface of a spray head cavity on the upper part of the rotary spray plug are provided with openings. Water sprayedthrough the openings can be used for washing rice, a pot, a pot body and a pot cover, and in a cooking process, the water flow in the pot body is stirred to increase the aroma of the rice, uniform heating is implemented during cooking, and the rotary spray head can move up and down in the vertical leaking pipe. The height of a circulating water path is effectively reduced, so that the height of the cooking machine is reduced; and the cooking machine is compact in structure. The improved bottom leaking and spraying device can be used for various cooking machines such as an electric cooker, a soybean milk machine, a bread maker and a dish frying machine.

The invention relates to a mattress. The microcomputer automatic adjustable mattress proposes a mattress automatically adjusted based on the difference in the human body type, difference of the body parts, and changes of sleep postures, including: a mattresses coat, latex sponge, a telescopic device, a sensor system, a control system, a kinetic energy device and a power supply. When human sleeps, different body types have different pressure to the bed, as well as various parts of the body different pressure to the bed, the sensor system obtains these data and transmits to the microcomputer of the control system, the microcomputer receives, summarizes and analyzes the data based on procedures and obtains the command, controls the telescoping device required to adjust to ascend or reduce, and controls the adjusted amount, reasonably support the human body to attain a health and comfortable sleep. When the sleeping posture changes, the mattress, the mattress readjusts to adapt a new sleeping posture. The mattress can also perform massage to the human body according to the requirement. The invention has safety, health and comfort, simple and convenient use, quiet design, which is suitable for families, hotels, hospitals and other places.

The grating type pneumatic triphase fluidizing comprehensive absorption tower includes one housing, one gas inlet channel and gas outlet channel in the top of the tower, one rotary defogging and dewatering unit, one stuffing assembly comprising support boards, hold-down boards and stuffing, one coaxial tubular grating member, one liquid distributor with ring sprinkler pipe, one large caliber reverse sprayer inside the gas inlet channel, and one absorbing slurry pond in the bottom of the tower. It features the special grating structure, the regularly arranged stuffing for cyclic fluidizing, the combined foam absorption and stuffing absorption, etc, and has high absorption efficiency, great gas treating amount and other advantages.

The invention discloses a three-dimensional similarity simulation test method including the steps: A, test-piece preparation; B, loading; and C, excavation and observation. By the method, complex distribution phenomena of coal bed stress in different roof movement phases during underground excavation can be simulated, and large-inclination-angle ore bed test pieces can be manufactured more conveniently and effectively, so that rock masses can be guaranteed to be under the three-directional stress condition in the whole excavation process, underground space excavation under more working conditions can be studied, the height on the earth surface of a whole system is decreased, construction cost is lower, and the system is more stable.

The invention discloses a carton filling and stacking all-in-one machine. The carton filling and stacking all-in-one machine is characterized by comprising a carton conveying line and a storage device, wherein the head portion of the carton conveying line is connected with one side of a carton alignment device; the storage device is connected with one side of a carton filling station through an unpacking forming mechanism; the other side of the carton filling station is connected with one side of a carton strutting device; the other side of the carton alignment device is provided with a robot body; the robot body is provided with a carton filling and stacking grasp structure; a carton clamping and conveying device is arranged on the other side of the carton strutting device and connected with a carton sealing device; a carton labeling station is arranged on one side of the carton sealing device; a first tray and a second tray are arranged on one side of the carton labeling station. The functions of existing single machines are completely integrated on one machine, stations are linked tightly, the structure is compact, and operation is easy. The carton filling and stacking all-in-one machine is suitable for various specifications, stable in performance, high in efficiency and capable of greatly reducing labor cost.

The present invention relates to a fast reactor type coupling nuclear reaction implementation method and a nuclear reactor for same. The main contents comprise: a fast reactor type coupling nuclear reaction implementation method, a reactor modular design approach, a fast reactor type coupling nuclear reactor, a reactor core, a fuel element, a nuclear control system, and a proliferation fuel system. The fast reactor type coupling nuclear reactor mainly combusts thorium and nuclear waste, and has inherent security. The reactor main container is composed of a fission pool and a moderating pool that are completely isolated from each other but coupling to each other. A primary coolant is separated from a moderator. A thermal insulation layer is disposed between the fission pool and the moderating pool so that both can perform neutron exchange but heat exchange is blocked. Fast neutrons produced by the fission pool and moderated neutrons reflected by the moderating pool may enable the reactor core to simultaneously perform coupling nuclear reaction of the two types of neutrons. The moderating pool may be provided with the nuclear control system, and ex-core coupling core control may be implemented. The moderating pool is provided with a thorium purification fuel system, and on-line extraction of the purification fuel can be performed, and separation of nuclide is safe and simple, thereby providing a solution to the technical bottleneck of "thorium reactor".

The present invention relates to a painting system having improved productivity achieved by optimizing the number and arrangement of robots in a painting booth. A painting system (1) in which a painting robot (6) and an opener robot (4) can pass each other without interference on a first travel guide rail (3) and a second travel guide rail (3). The first travel guide rail (3) is placed at a lower position than the second travel guide rail (3). The painting robot (6) is placed on the first travel guide rail (3), and the opener robot (4) is placed on the second travel guide rail (3).

Provided is a classified-desliming pressurized-feeding three-product dense medium cyclone coal preparation process. The process comprises the steps that wet classification and primary desliming are carried out on raw coal after prescreening, gangue predischarging and breaking are carried out on the raw coal, secondary desliming is carried out on the screen underflow of the raw coal after the screen underflow is concentrated, the oversize products of the secondary desliming and the screen underflow of the primary desliming are together fed in a pressurized three-product cyclone, three products are obtained after separation, and clean coal, middle coal and gangue are obtained after medium separation and dehydration are carried out on the three products. Part of qualified suspension liquid and dilute suspension liquid are obtained when the medium separation is carried out on the three products, magnetic concentrate is obtained after the dilute suspension liquid is recovered by a magnetic separator, and the magnetic concentrate and the qualified suspension liquid are directly fed in a medium blending barrel. The magnetic tailings of the dilute suspension liquid and the undersize mixtures of pre-desliming, the overflow of concentration classifying equipment and a secondary desliming screen enter a coal slime recovery processing system together. The process is high in separation efficiency, flexible in product structure, low in producing and operating cost and prone to achieving the large-scale single system, the modularization and the integrating intellectualization of plant layout.

The invention relates to a preparation method of covalent organic framework composite microspheres with core-shell structures. The method comprises the following steps: dissolving silicon dioxide microspheres, a first construction element and a second construction element in an organic solvent; and after adding a catalyst, rapidly synthesizing into the composite microspheres with core-shell structures at a certain temperature. In a preparation process, reaction conditions are gentle, the method is simple, and the yield is high; the prepared covalent organic framework composite microspheres have the advantages of good core-shell morphology, high specific surface area, ordered pore structures, good mechanical stability, thermal stability, chemical stability and the like, if the microspheres are used as a chromatographic stationary phase, the chromatographic mass transfer resistance can be reduced effectively, the theoretical plate height is improved, and finally, column efficiency and degree of separation are improved; and if the microspheres are used as solid-phase extracting filler, the enrichment effect can be improved remarkably. The covalent organic framework composite microspheres with core-shell structures have good application prospects in the aspect of separation and enrichment of small organic molecules.

The present invention discloses a continuous catalytic reforming moving bed radial reactor. Said reactor adopts a circular container with catalytic bed as reaction equipment, the reactant inlet is positioned in the upper end of said reaction equipment, and its outlet is positioned in lower end of said reaction equipment, said catalytic bed is formed from external porous wall and internal porous wall cylinder in which the catalyst is filled. Said catalyst can be continuously flowed from top to bottom by means of gravity, at the same time the reaction material can be centrifugally flowed from centre toward exterior in the reaction equipment, and can be concurrently flowed from top to bottom in the distributary channel and collecting channel. Said invention is a Z-type centrifugal radial moving bed reactor, and its structure is simple and catalyst utilization rate is high.