50results about How to "Reduce maintenance investment" patented technology

The invention discloses a method utilizing a passive optical network (PON) system access terminal to achieve internet protocol (IP) voice service call simulation. The method includes the steps of outgoing call simulation testing and incoming call simulation testing. In the outgoing call testing, an outgoing call simulation state machine simulates to automatically complete all operations of a calling party. After a call is put through, an operator can check whether dialing and calling can be normally carried out through a port of the calling party according to the condition whether sound of the calling party can be heard. In the incoming call simulation testing, an incoming call simulation state machine simulates to automatically complete all operations of a called party responding to the calling party. The operator can check whether ringing and calling can be normally carried out through a port of the called party according to the condition whether sound of the called party can be heard. The method can be adopted to automatically complete detection and diagnosis of voice links, and consequently the common staff can achieve maintenance of IP voice services of the access terminal in a local side management system, and the maintenance cost of service suppliers can be reduced.

The invention discloses a plate production line capable of being adjusted to adapt to plate specifications. The plate production line comprises a plate transverse cutting unit, a plate longitudinal cutting unit and a plate acceleration conveying unit. The plate transverse cutting unit and the plate longitudinal cutting unit each comprise a sawing device, each sawing device comprises a main frame,a movable sawing mechanism and a fixed sawing mechanism, and the movable sawing mechanisms and the fixed sawing mechanisms are arranged at the left end and the right end of the main frame. The plate acceleration conveying unit comprises an acceleration fixed frame and an acceleration movable frame which are arranged in parallel, and a plate keeps unchanged during the machining process, and the movable sawing device moves in the longitudinal direction or the transverse direction relative to the plate so as to cut plates with different widths and lengths, the distance between the fixed frame andthe movable frame is adjusted by accelerating the movable frame to move relative to the acceleration fixed frame so as to meet the conveying requirements of plates with different specifications, andthe conveying edge distance of the plate accelerating conveying unit can adapt to plates with different specifications.

The invention relates to a dam safety monitoring system and method based on the Internet of Things. The system comprises a cloud side architecture, a tube side architecture and an end side architecture; wireless network transmission and cloud platform data service among all components in the system are realized by utilizing a system architecture of a cloud tube side end, so that the structure arrangement of the safety monitoring system is effectively simplified, the data monitoring construction difficulty and maintenance investment of a dam in the construction and operation processes can be effectively reduced, and the labor cost is reduced.

The invention provides a vacuum skull furnace crystallizer and a preparation method thereof. The vacuum skull furnace crystallizer comprises a crucible body and is characterized in that a third annular slot, a fourth annular slot and a fifth annular slot are formed in the waist part of the crucible body; a third copper alloy ring, a fourth copper alloy ring and a fifth copper alloy ring are respectively arranged in the third annular slot, the fourth annular slot and the fifth annular slot and are integrated with the crucible body by the brazing method; a sixth annular slot in which a sixth copper alloy ring is arranged is formed in the bottom part of the crucible body and is integrated with the crucible body by the brazing method. The vacuum skull furnace crystallizer is difficultly deformed, long in service life, and low in cost of device repair, so that the industrial benefit is increased.

The invention discloses an automatic position identification device and method for airborne system equipment. The device comprises passenger service control units (PSCUs) deployed at passenger positions, wherein the passenger service control units (PSCUs) are connected in sequence through a daisy chain; two passenger service control units (PSCUs) which are arranged on the head and the tail are correspondingly connected with the two ports of a cabin interface unit (CIU) respectively. At the operation period of the automatic identification device, corresponding maintenance steps can be reduced, and the management cost and maintenance investment of airline companies are reduced. Meanwhile, encoding switch hardware needed in an original technical scheme can be omitted, the weight is reduced, and the integrated installation efficiency is increased.

The invention discloses a geotextile bag bridge type embankment structure and a construction method thereof. A geotextile bag bridge type embankment is adopted in the longitudinal direction of a roadin a high fill road section. The embankment consists of a pavement structure layer, a geotextile bag subgrade and backfill soil. The geotextile bag bridge type embankment structure not only improves the bearing capacity of the embankment but also saves geotextile bags. The geotextile bags on the backfill soil are reversely wrapped by geogrids so as to enhance the integrity. According to the principle of the method, under the action of upper loads on the geotextile bags, the tension of the bags can provide additional cohesion to soil masses in the bags so as to improve the integral strength andvertical bearing capacity of the embankment, improve the bearing capacity of the embankment, reduce differential settlement, reduce the amount of the geotextile bags and reduce the engineering cost.

The invention relates to the field of three-dimensional cultivation, in particular to a stereoscopic planting device and method for bletilla striata. The stereoscopic cultivation device for bletilla striata comprises a seedling raising device and a stereoscopic cultivation device and is used for cultivating bletilla striata seedlings: a substrate is spread flat in small compartments in a drawer, bletilla striata seeds are evenly spread on the surface of the substrate, the humidity of a square bottle is monitored through a humidity sensor, and the humidity in the square bottle is maintained at65%-70%; transplanting and planting are carried out on bletilla striata plants respectively, wherein cultivation boxes are filled with the appropriate amount of soil, the cultivated bletilla striata seedlings are transplanted into the cultivation boxes, then the planted cultivation boxes are put into a cultivation rack, water is injected through an one-way water inlet hole in the top of a water supply pipe, the water level is observed, water injection is stopped when the water level reaches the appropriate height, the water is persistently supplied to the roots of bletilla striata through absorbent wool, and the stereoscopic cultivation is completed; when the device is not in use, a drain valve is switched on to drain away the water. The stereoscopic planting device and method for bletillastriata have the advantages that stereoscopic cultivation is carried out on bletilla striata, the cost is low, the floor space is small, the operation is simple and convenient, the maintenance cost is low, and the earnings are large.

The present invention discloses a hydroturbine movable guide blade abrasion-resisting method. It includes the following processes: removing square-head projection from large head end of movable guide blade; making the transition transversal of movable guide blade body and upper end shaft and lower end shaft into inward recessed type; raising roughness of all the portions of said movable guide blade; and NC machining blade type of guide blade and making it be identical to mould line.

The invention relates to floor drain series product for eliminating liquid above water proof layer in various building or similar occasions. The invention comprises a stinking-proof tunnel, a stinking-proof cover, a water inlet protection port and a big mouth perforated strainer with movable cover for purifying water. The tunnel water inlet is provided with a non-coiled material waterproof combined brim with special-shaped outer ring which is combined with an upper water proof layer, and a water outlet is provided with an entry guide for guiding water in the pipe and is externally provided with a standard support port, and the tunnel is internally provided with a water seal stinking-proof water storage overflow cabin and a stinking-proof cover with self-cleaning function which is fastened at an overflow pipe orifice part of the water storage overflow cabin, and the upper part of the tunnel is provided with a side water inlet and a water inlet protection orifice with adjustable height, and the big mouth perforated strainer with movable cover for purifying water or the decorated big mouth perforated strainer with movable cover for purifying water is placed on the upper orifice of the water inlet protection orifice for forming a low position direct-burried stinking-proof floor drain water collecting and draining system. According to the invention, the product is a floor drain series product and water collecting and draining system thereof, which not only can save social resource, reduce construction cost, but also can avoid blocking, stinking and leaking problems of ground drainage.

A prefabricated foundation of a combination box transformer substation with a reactive compensation function comprises prefabricated stand columns (1), prefabricated ring beams (2), prefabricated baffles (3) and prefabricated supporting beams (4), and is characterized in that the prefabricated stand columns (1) and the prefabricated ring beams (2) are hinged; the prefabricated supporting beams (4) and the prefabricated stand columns (1) are hinged; the prefabricated baffles (3) and the prefabricated stand columns (1) are connected through notches. The prefabricated foundation of the combination box transformer substation with the reactive compensation function has the advantages that only installation and connection need to be carried out on site, the project building period is shortened, and the maintenance investment is reduced.

The invention relates to a cutting device, in particular to a cutting device for a large equipment circular seam. An automatic processing device for an on-line hook face groove of a furnace shell of a super-huge type blast furnace comprises automatic cutting equipment, an annular guide rail is arranged nearby the large equipment circular seam, and the automatic cutting equipment is arranged on the annular guide rail and can be movably connected to the guide rail along the guide rail through a guide wheel mechanism; a positioning guide mechanism comprises a guide wheel transverse arm connected to the top of the automatic cutting equipment and a vertical guide wheel adjusting arm connected to the guide wheel transverse arm through a cross-shaped sleeve, the end of the guide wheel transverse arm is sleeved with a spring and a nut, and one end of the spring abuts against the guide wheel adjusting arm; a guide wheel is arranged below the guide wheel adjusting arm and abuts against the guide rail side; and the automatic cutting equipment extends out to form a cutting arm wound on the lower portion of the guide rail, and the end of the cutting arm is connected with a cutting gun with the adjustable angle. According to the automatic processing device, the cutting quality is effectively guaranteed, the cutting efficiency is improved, the manpower cost is reduced, and the comprehensive benefits are improved.

The invention provides a modular spliced slide. The modular spliced slide is formed in a manner that a plurality of modular sub slides are spliced in sequence, each sub slide comprises left and rightarmrest baffle plates and a slide plate, an antiskid device is arranged on the bottom surface of the slide plate, a connecting device and an angle adjusting limiting device are arranged at the front and rear ends of the slide plate, the connecting devices are used for the splicing the sub slides, and the angle adjusting limiting device is used for adjusting the splicing angles of the sub slides. According to the modular spliced slide, the occupancy cost of land is saved due to construction according to the local conditions, and the free combining and splicing are flexible and convenient.

The invention relates to a coal treatment system. The system comprises a coal preparation system, a tailing water treatment system for treating tailing water generated by the coal preparation system,and a recovery coal bunker for recovering coal slime generated by the tailing water system, wherein the tailing water treatment system comprises a thickener, a water exchange device and a filter press; two output ends at the bottom of the thickener are respectively connected with the input end of the water exchange device and the input end of the filter press; and an output end connected with therecovery coal bunker and a first underflow pump connected with the input branch end of the thickener are arranged at the bottom of the filter press. The coal treatment system fully utilizes underground water, enables a circulating water system of the tailing slime water system to be changed into small circulation from large circulation, simplifies process, reduces production accident points, lowers energy consumption, and reduces equipment maintenance investment and personnel labor cost.

The invention provides an intelligent energy-saving controller. The intelligent energy-saving controller solves the problems that a control circuit power conversion link consumes energy and power dissipation is caused as an electromagnetic coil of a load power source switch control component needs electric energy to maintain state in the prior art. The intelligent energy-saving controller is formed by correspondingly connecting a self-holding type solenoid valve, a power supply circuit, a reset drive circuit, a monitor load state circuit, a manual switch control circuit, a delay selection control circuit, an infrared remote control circuit and a remote communication control circuit. The functions of energy conservation and electrical / electric appliance no-loading / standby automatic power off power saving are achieved, and the purposes of decreasing occurrence frequency of electrical accidents and prolonging the service life are achieved.

The invention provides a structure method for expansion joint of a cement concrete pavement, belonging to the technical field of building construction. The method comprises the following operation steps: firstly, conducting meteorological survey and geological investigation for a construction site, and determining temperature load size and roadbed geological conditions; then determining construction parameters of ground anchors, conducting construction of the ground anchors after finishing pavement bed course; determining horizontal anchor fixed length c of the end of a reinforced steel hanger and horizontal width b of the lower end of the steel hanger around the ground anchors in accordance with the design specification of a reinforced concrete structure, and arranging a reinforced steelhanger mesh at the position of row-like ground anchors and connecting the steel hanger mesh with distributed reinforcements in the cement concrete road surface in a welding mode; and finally installing anchor seats of the ground anchors again, connecting the anchor seats with the road surface reinforcing mesh in the welding mode, and pouring the road surface in a construction advance direction. The invention keeps integrity of the road surface, simultaneously, provides a certain vertical restrain for road slabs so as to avoid warpage of the road surface.

The invention relates to a biogas residue biological brick and a greening method for vertical greening of building exterior walls, belonging to the fields of human settlement environment science and urban forestry science. The present invention comprises a sintered brick body and a biological brick body inlaid inside it, the surface of the sintered brick body is sunken inward to form a picture frame structure, the biological brick body is stuck into the picture frame structure, and the periphery of the sintered brick body is sunken inward to form a A running water tank, a water hole is opened on the intersecting surface of the water tank and the sintered brick body, and the water flow hole leads to the biological brick body; the surface of the biological brick body is provided with a planting hole. The bricks are paved on the surface of the building and watered by rainwater, building roof drainage or artificial watering to complete the vertical greening. The invention combines the biological brick body with the traditional sintered brick, so that the hardness and appearance are more suitable for building exterior walls, the manufacturing cost is low, the transportation is convenient, and the later maintenance investment is small. .

The invention discloses a mobile security instant messaging method based on multiple public IM channels, aiming to solve the problems of mobile instant messaging data being monitored and recorded, stolen and leaked, attack cracking and source tracing. The technical solution is: constructing a mobile security instant messaging system based on multiple public IM channels composed of a control center subsystem and an instant messaging client. The control center subsystem generates configuration files required for instant communication according to communication requirements. The instant messaging client encrypts and fragments the plaintext when sending, steganographically writes the fragmented ciphertext group into random pictures and sends them to different public IM channel servers; when receiving, it receives ciphertext pictures from different public IM services, and assembles, Decrypt and restore messages. The invention can ensure the security of messages in the transmission process, improve the anti-analysis, anti-tampering, anti-monitoring and anti-tracing capabilities of the instant messaging process, and can reduce the software, hardware and maintenance investment required for self-built services, avoiding single point failures .

The invention discloses a software implementation method of railroad bed multiline design, which comprises the following steps: (A) constructing a railroad bed design software-developing overall framework by using a concept of design line sets, design lines and benchmark design lines, and synchronously designing any multiple design line sets and design lines according to a unified method; (B) setting membership relation between the design line sets and the design lines; (C) respectively carrying out grouping management on basic data used for the design and appointing a certain group of basic data adopted by the design to each design line; (D) obtaining the filling and excavating height table data by utilizing the filling and excavating height table data of each design line, the membershiprelation between the design line sets and the design lines and the line spacing data of each design line; (E) when the railroad bed cross section design treatment is carried out, considering the design order of each design line set to realize the harmonious design among the design line sets; and (F) organizing the calculation and the statistics of project number by taking the design line set as aunit.

The invention discloses a fume condensed-water flue-dust conveyance system of a supercharged oxygen-enriched coal-fired boiler. The fume condensed-water flue-dust conveyance system comprises a high-pressure condensed-water recovery part, a coal ash injection part and a main ash conveyance pipe. The high-pressure condensed-water recovery part consists of a supercharged combustion hearth, a dust remover and a condenser. The coal ash injection part consists of an ash leakage bucket, a mill exhauster and a coal ash injector. The main ash conveyance pipe consists of an ash conveyance pipeline, a first regulating valve, a fourth regulating valve and a manometer, and the high-pressure condensed-water recovery part and the coal ash injection part are connected through the main ash conveyance pipe. According to the fume condensed-water flue-dust conveyance system disclosed by the invention, the coal ash is conveyed to an ash yard by utilizing the condensed water with power capacity in the fumeof the supercharged oxygen-enriched coal-fired boiler, the alkalinity of the coal ash is neutralized by utilizing the acidity of the fume condensed water so that the pipe is prevented from being scaled, and the purposes of water and energy conservation and convenience for maintenance are realized.

The invention discloses a zinc oxide powder desulfurization control device based on online monitoring data locking and a zinc oxide powder desulfurization control method. The zinc oxide powder desulfurization control device comprises an absorption tower and a chimney, wherein the chimney is connected to the absorption tower; the absorption tower is also connected with an absorption liquid storage tank which is used for supplementing absorption liquid in the absorption tower and a discharged liquid storage tank which is used for collecting the absorption liquid discharged from the absorption tower; a liquid supplementation pneumatic valve is arranged between the absorption tower and the absorption liquid storage tank; a discharged liquid pneumatic valve is arranged between the absorption tower and the discharged liquid storage tank; the chimney is connected with an automatic monitor; the automatic monitor is connected with a central control system; the central control system is used for carrying out signal control on the liquid supplementation pneumatic valve and the discharged liquid pneumatic valve. According to the zinc oxide powder desulfurization control method disclosed by the invention, the problems of data drift or distortion, multivariable detection data asynchronization and the like existing in a traditional control method are avoided, the arithmetic logic of the central control system is simplified, the configuration difficulty of a DCS (Distributed Control System) is reduced, the inspection equipment investment and the maintenance investment are reduced, and the rate of reaching the emission standard of tail gas SO2 in each year is greater than or equal to 98 percent.

The invention discloses a construction method for replacing an intermediate furnace body of a blast furnace. Only the damaged intermediate furnace body is integrally dismounted and mounted. The construction method for replacing the intermediate furnace body of the blast furnace comprises the following steps of: a, carrying out load checking calculation and examination on a blast furnace frame; b,reinforcing an upper furnace body structure with a damaged furnace body on the blast furnace frame; c, arranging a feed / discharge door on the upper furnace body structure with the damaged furnace body and arranging hoisting devices inside and outside the furnace body at the feed / discharge door; d, dismounting a damaged furnace shell and cooling equipment by using the hoisting devices; e, mountinga new furnace shell and cooling equipment by using the hoisting devices; and f, dismounting the hoisting devices in the step b and closing the feed / discharge door. The device weight above the damagedfurnace body can be borne by the blast furnace frame so that only the damaged intermediate furnace body part can be dismounted and mounted in the dismounting and mounting processes, the overhaul investment of the blast furnace can be greatly decreased, the engineering cost is decreased, and the overhaul period is effectively shortened.

The invention relates to a supporting rotating control head of an underbalanced coal bed methane well drilling, which is mainly used for an underbalanced well drilling and belongs to the filed of well control equipment of underbalanced well drillings. The supporting rotating control head comprises a rotating assembly, a hoop assembly and a shell assembly, the rotating assembly is arranged in the shell assembly, the hoop assembly installed on the upper end of the shell utilizes a manual mode to close the hoop body, and the rotating assembly is fixed to complete equipment assembling. The inner side of the hoop body is provided with a two-cone to strengthen righting effect, the rotating assembly utilizes a centralization lubrication structure to lubricate a centripetal force and push bearingcombination and a dynamic seal component to prolong the service life of equipment, the lower end of the rotating assembly is provided with a rubber core to guide returning drilling medium to realize safety control. The shell assembly utilizes a structure of separating the shell body and a bypass port, thus facilitating replacement, enhancing the continuous working capability and improving equipment use ratio of the control head. The device has simple and compact structure, easy transportation, low equipment cost, maintenance convenience, and high stability and safety, and is suitable for needs of coal mining with three areas, namely area low in pressure, saturation and infiltration geological characteristics in China.