32results about How to "Reduce maintenance and replacement costs" patented technology

The invention discloses a cloud SIM card pool system, and the system comprises at least one SIM card pool device which is provided with a plurality of card slots for placing different physical SIM cards; an SIM card pool management center which selects optimal communication paths to distribute SIM card data corresponding to the physical SIM cards to terminal communication equipment according to a distribution strategy and the state of the terminal communication equipment, and distributes a plurality of optimal communication paths; and at least one piece of terminal communication equipment which reports the current state to the SIM card pool management center, obtains the most matched SIM card data distributed by the SIM card pool management center, visits an authentication algorithm of a corresponding physical SIM card through the plurality of optimal communication paths, obtains the corresponding answer data, simulates the operation environment of the physical SIM cards, and enables the SIM card data to be converted into virtual SIM cards for use. The system achieves the dynamic distribution of the SIM cards through the SIM card pool management center, enables the terminal communication equipment to be able to use the most proper SIM card in the world, and achieves intelligentization.

The invention discloses a road air accumulation energy storage and power generation device. The device comprises an energy recycling module and an energy transformation module, the energy recycling module comprises a speed bump air pump device and a first air storage tank mounted in the pavement structure, the speed bump air pump device and the first air storage tank are connected through a pipeline, the energy transformation module comprises a second air storage tank, an air motor, a coupler, a power generator, an accumulator and a charging circuit, the output end of the air storage tank is connected with the air inlet of the air motor through a pipeline, the rotary shaft of the air motor is connected with the power generator through the coupler, and the power generator is connected withthe accumulator through the charging circuit. The road air accumulation energy storage utilizes a plurality of sets of mechanical air pumps to collect compressed air, the energy recycling process andthe energy transformation process are separated, the driving potential energy and kinetic energy can be efficiently recycled, the independent energy transformation module can ensure continuous stability in the power generation process, the double air tanks are arranged to alternately supplement and supply air, the problem of insufficient pressure when a single tank supplies air can be solved, continuous stability of the power generation process can be guaranteed, and the energy loss in the transmission process is reduced.

The invention discloses an environmental-protection comprehensive treatment system for high-pollution-factor low-temperature flue gas. The environmental-protection comprehensive treatment system comprises a full-automatic desulfurizer delivery device, a desulfurization tower and a medium-and-low-temperature SCR (selective catalytic reduction) reactor. The full-automatic desulfurizer delivery device is connected with a gas inlet of the desulfurization tower through a flue gas pipeline. A water pump is connected with one end of a water tank. The other end of the water tank is connected with the desulfurization tower through a double-fluid spray gun. The double-fluid spray gun is connected with an air compressor. A gas outlet of the desulfurization tower is connected with a bag-type dedusting unit through a flue gas pipeline. A dilution fan is connected with an ammonia-air mixer through a pipeline. An ammonia inlet is arranged on the pipeline between the dilution fan and the ammonia-air mixer. The ammonia-air mixer and the bag-type dedusting unit are connected with the medium-and-low-temperature SCR reactor after passing an ammonia spraying grille. An outlet of the medium-and-low-temperature SCR reactor passes a draught fan to be connected with a chimney. The environmental-protection comprehensive treatment system has the advantages that flue gas heat and temperature gradient are utilized reasonably, high-temperature dedusting processes are reduced, stable efficient operation of a denitration system and service life of catalysts can be guaranteed, and flue gas treatment effect can be improved.

The invention relates to a cross-well sparker source emission probe, which mainly comprises an alternating current power supply, a boosting device, an energy storage device, a discharging device and an emission probe. The cross-well sparker source emission probe is characterized in that the emission probe is divided into a head part, a middle part and a tail part, wherein the head part comprises energy emission windows; the middle part comprises an emission electrode and a triggering optical fiber; the tail part comprises a protective shell, an emission cable and an optical fiber. The cross-well sparker source emission probe is unique in structure; the optical fibers are introduced, and conventional acoustic triggering is replaced by optical triggering, so that zero triggering time delay is ensured; the emission direction and the emission frequency are changed by changing the thicknesses of insulating layers of positive and negative electrodes and the positions and sizes of the energy emission windows, tungsten copper is adopted for the emission electrode, and brass and stainless steel are adopted for the shell, so that the cross-well sparker source emission probe is high in electrical conductivity, resistant to high temperature, abrasion and corrosion and long in repeated emission service life.

The invention relates to a layer combustion compound ventilation chain discontinuous running type coal boiler comprising an arc water jacket, an elliptic water jacket, both sides, a convection tube bundle of a back header tank and the like, wherein the water jackets are communicated with the convection tube bundle of the header tank by an communicating tube to form a two-return water path, the elliptic water jacket is stacked with an upper communicating wall tube and a lower communicating wall tube at both sides of the arc water jacket and a fireproof material to form a three-return flue of a fume wall, and an ejector tube and the communicating tube are respectively communicated with the water jackets and the header tank to form a safe water circulation system of the boiler. The invention has scientific and reasonable structure, advanced technique, safe and reliable water circulation, sufficient combustion, high heat efficiency, adequate output, electricity saving, noise lowering, occupation area reduction and very obvious energy saving, consumption reduction and discharge reduction and does not use a suction ventilator and a dust remover, and the environment-friendly effect of a dry desulfurizing method reaches the region environment-friendly standard of one class.

The invention relates to a simple plugging device for large oil pipelines, in particular to a simple pipeline plugging device comprising a support member and a plugging tape. The simple plugging device is characterized in that one end of the plugging tape is provided with fastening keys, the other end of the plugging tape is connected with a screw, the plugging tape penetrates a through on one side of the support member and another through hole in the other end, and the screw is connected with a bolt in a threaded manner. The simple plugging device has the advantages of novel structure, simplicity in manufacture, convenience in use, safety and practicability, reusability, low maintenance and replacement cost and the like; therefore, the novel simple plugging device for large oil pipelines is both economical and practicable.

A technology for preparing the bracket of electric or optical cable from PVC resin, the mixtuer of gypsum powder and dolomite powder, assistant, and metallic sand includes proportionally mixing, heating while extruding to become particles, heating to become paste, and die pressing to obtain bracket, pellet and screw bolt respectively.

The invention discloses a pure bending moment yield damper device, which includes a support frame connection port, an energy dissipation plate, a supporting plate, a guide groove, a shear key, a rolling support, and a lateral constraint masonry; the pure bending moment of the invention Yield damper device, uniform pressure distribution, pure bending moment generated by the energy dissipation plate at the extension part, high extension, effectively avoiding the axial force easily generated when the extension part is fixedly connected by welding, resulting in local plastic hinges and welds The ductility is reduced; the energy consumption performance of the device is improved, the energy absorption and shock absorption performance is high, and the energy consumption effect is good; the production cost is low, the operation and post-maintenance costs are low, the maintenance and replacement costs after severe earthquake disasters are low, and the applicability is good.

The invention discloses a gas-liquid separation device, which comprises a film sulfonation reactor, a gas-liquid separator and a separator. An inlet of the film sulfonation reactor is connected to a feed pipeline. The gas-liquid separator contains a first inlet and a second inlet, wherein the first inlet is communicated with an outlet of the sulfonation reactor. An inlet of a settling separator is communicated with an outlet of the gas-liquid separator through a first pipe section group, and an outlet of the settling separator is communicated with the second inlet. The settling separator receives tail gas obtained after primary separation by the gas-liquid separator and carries out secondary gas-liquid separation on the tail gas. The gas-liquid separator receives a separation liquid obtained after the secondary gas-liquid separation. The invention also discloses a separation liquid recovery method by using the above gas-liquid separation device.

The invention discloses a manufacturing method of a high abrasion-resistant slurry nozzle. The manufacturing method comprises the following steps of (1) blanking processing, (2) laser cladding, specifically, laser cladding comprises (1) nozzle external surface treatment and (2) nozzle internal hole treatment, (3) nozzle finishing, specifically, nozzle finishing comprises (1) nozzle external surface treatment and (2) nozzle internal hole treatment, (4) nozzle checking, and (5) nozzle assembly assembling. According to the technical scheme of the manufacturing method of the high abrasion-resistant slurry nozzle, the unique manufacturing method is adopted, through a laser cladding technology and based on the advantage that combination of abrasion-resistant materials formulas is convenient, thefact that an easy-to-process high temperature-resistant material matrix is clad with a cladding layer with good high temperature resistance and excellent abrasion resistance in the process of nozzlemanufacturing is achieved, so that the abrasion resistance of a nozzle internal hole is better, the service life of the nozzle is prolonged, the foundation is laid for safety, economy and long periodstability of a device, and the economic benefit is improved.

The invention discloses a pure bending moment yield damper device. The pure bending moment yield damper device comprises supporting frame connectors, energy dissipation plates, supporting plates, guide grooves, shear keys, rolling supports and lateral constraint masonry. According to the pure bending moment yield damper device, the pressure distribution is uniform, the energy dissipation plates atthe extension part generate pure bending moment, the ductility is high, and it is effectively avoided that when the extension part is used in a welding fixed connection mode, axial force is likely tobe generated, local plastic hinges are caused, and the ductility of the welding position is reduced; the energy consumption performance of the device is improved, the energy absorption and shock absorption performance is high, and the energy consumption effect is good; and the manufacturing cost is low, the operation and later maintenance cost is low, the maintenance and replacement cost after serious earthquake disasters is low, and the applicability is good.

Disclosed is a foldable bumper of a motorcycle. A fixed bumper frame, a left protection bumper frame and a right protection bumper frame of the bumper are in independent structure formed independently, the left protection bumper frame and the right protection bumper frame are rotationally mounted on the fixed bumper frame through hinge shafts, positioning blocks used for positioning rotationally are arranged on the left protection bumper frame and the right protection bumper frame respectively, each positioning block is provided with an unfolding positioning hole and a folding positioning hole, two locking devices used for locking the rotation positions of the left protection bumper frame and the right protection bumper frame are arranged on an upper transverse pipe of the fixed bumper frame, fixed seats of the locking devices are fixedly welded on the fixed bumper frame, positioning latches with bent ends are mounted vertically rotationally on the fixed seats through pins and inserted into the positioning holes on the positioning blocks and stay at normal locking state under the pressure of a reset spring. The left protection bumper frame and the right protection bumper frame of the bumper can be unfolded or folded, have protection action during running of the motorcycle or can reduce occupation space during parking, partial parts of the bumper can be replaced respectively, maintenance and replacement cost can be reduced, and the locking devices are not easy to be damaged.

The invention discloses a method for effectively preventing inner leakage of a liquid ammonia water cooler. The method comprises the following steps that an ammonia compression device communicates with a nitrogen input pipeline provided with a side hand valve; after an ammonia freezing system is stopped, a water inlet valve and a water outlet valve of a circular water cooler are opened; and the side hand valve is opened, and low-pressure nitrogen is introduced into the ammonia compression device through the nitrogen input pipeline. The method has the advantages of prolonging the service life of the circular water cooler, reducing the equipment maintenance and replacement costs, preventing the water quality of circulating water from being polluted, and prolonging the use cycle, and is suitable for an ammonia compression and refrigeration technological process.

The invention discloses a seawater corrosion-resistant titanium tube outboard cooler, which comprises an end cover and a tube plate fixedly connected to the bottom of the end cover, the inner cavity of the tube plate is provided with a cooling pipe, and the two sides of the upper end surface of the end cover are respectively There are two flanges in communication, and the two flanges are connected with the cooling pipe. The center of the lower end surface of the end cover is provided with a limiting groove, and the inner cavity of the limiting groove is slidably connected with a rotating sleeve. The two sides of the rotating sleeve Both are fixedly connected with an inner casing, the inner casing is slidably connected with the cooling pipe, and the cooling pipe is respectively rotatably connected with the first gear capstan and the second gear capstan. In the present invention, the titanium tube structure is adopted to realize that the tube wall of the titanium tube is thinner than the copper tube, further reducing the weight of the cooling tube, and a rotating impurity removal structure is adopted to realize friction scraping and cleaning of the outer wall of the cooling tube. A two-way anti-helical structure is adopted to achieve an enhanced scraping effect on impurities on the outer wall of the cooling tube.

The invention relates to a supporting device of a water slag blowing tower in iron and steel smelting, and especially a device of a flow-limiting plate used when the water slag is fed back to a flushing tank. In order to ensure the tightness of the flow-limiting plate and to prevent leakage under the environment with high erosion and high corrosion, according to the invention, a sealing chamber is added on a basis of an original rotary drum underflow pump flow-limiting plate. One end of the sealing chamber is welded to a blowing tank. The other end of the sealing chamber is annular, and forms a sealed space with the outer wall of a transmission pipeline. The flow-limiting plate is positioned in the sealing chamber. Concrete is filled between the flow-limiting plate and the sealing chamber. With the structure, the service life of the flow-limiting plate is greatly prolonged; maintenance and replacing costs of sealing rings and sealing gaskets are saved; and maintenance time spent by manual reparation of a flow-limiting plate flange is saved.

The invention belongs to the driving technology field, and especially relates to a general vehicle ultra-low speed drive unit intelligence control system comprising an input signal acquisition device, an electronic signal processing device, an integration function combined system, a forward backward control system, and an uplift descend control system; the input signal acquisition device is connected with the electronic signal processing device; the electronic signal processing device is connected with the integration function combined system; the integration function combined system is respectively connected with the forward backward control system and the uplift descend control system; compared with a conventional antiblocking system, the general vehicle ultra-low speed drive unit intelligence control system is simple in structure, and all parts are relatively cheaper, thus greatly reducing making cost and price; used parts like a gear, a worm, a worm gear, a tooth bar are easy to make; manufacture, maintenance and replacement cost are low, and price is low.

The invention provides a bidirectional-driving disconnector, comprising a first contact arm, a second contact arm and a driving mechanism, wherein the first contact arm is suitable to be connected with a first contact electrically; the second contact arm is suitable to be connected with a second contact electrically and has a second contact part; the first contact and the second contact are a pair of moving contact and fixed contact which are arranged oppositely; the driving mechanism is used for driving the first contact arm to move along the axial direction of the driving mechanism so as to enable the first contact part to be connected with or disconnected from an external circuit and also for driving the second contact arm to move along the axial direction of the driving mechanism so as to enable the second contact part to be connected with or disconnected from the external circuit. Compared with the prior art, the bidirectional-driving disconnector occupies less space, facilitates the miniaturization and compactness of equipment; since two obvious disconnection points occur when in a disconnected state, the bidirectional-driving disconnector, compared with a disconnector in the prior art, has the advantage of high safety performance.