40results about How to "Reduce long-term use costs" patented technology

The invention discloses a preparation method of reflective heat-insulation ceramic glazed tiles. The preparation method includes mixing frit raw materials, and founding the frit raw materials in a frit furnace into frits at a founding temperature of 1400-1600 DEG C until the raw materials fuse completely; mixing the frits with a raw material with grinding to obtain glaze slip, wherein the frits account for 10-100% of the total mass of the raw materials, and the content of titanium dioxide in the glaze slip is not lower than 8% of the total mass; applying the glaze slip on green bodies; drying the green bodies with the glaze slip, and firing at a temperature of 1100-1250 DEG C so as to obtain the reflective heat-insulation ceramic glazed tiles. The preparation method has the advantages that the frits are mixed with a specific amount of raw material, and enamel layers with titanite crystals as a main crystal phase are formed on the surfaces of the ceramic glazed tiles and are capable of reflecting sunlight reflectively, so that absorption of the ceramic glazed tiles for solar heat radiation can be reduced effectively, and building energy consumption of hot-summer and warm-winter regions is reduced remarkably; the preparation method is low in preparation cost and remarkable in energy-saving and environment-friendly effects.

The invention discloses an anti-theft and moisture-proof method which comprises an anti-theft method and a moisture-proof method. When a thief steals a charging pile, the thief needs to open an anti-theft air outlet cover upwards to unscrew foundation bolts so as to steal the charging pile. When the thief lifts the anti-theft air outlet cover upwards, a lower electroconductive plate moves upwardsto push and press against an upper electroconductive plate under the action of return springs, and thus an alarm circuit is closed. The moisture-proof method comprises a constant-temperature method and a constant-humidity method. The constant-temperature method and the constant-humidity method are alternative methods. The anti-theft and moisture-proof method for the charging pile can keep the airin the charging pile clean and keep the dust less, so that the temperature and humidity in the charging pile can be kept in an optimal range for a long time. Specifically, the relative humidity in thecharging pile should be controlled between 45% and 75% and the temperature should be controlled between 18 DEG C and 25 DEG C, so that the working stability of the charging pile is greatly improved,the service life of the charging pile is greatly prolonged, the user experience of charging electric vehicles is improved, the cost for long-time use is reduced, and the rapid development of the electric vehicles is provided with corresponding assistance.

The invention relates to a brake pad wear condition detection system and method. The brake pad wear condition detection system comprises four wear sensors, a vehicle 24V power supply, a front detection module, a rear detection module, a vehicle CAN bus and a vehicle instrument; and the front detection module and the rear detection module are correspondingly used for collecting and processing signals sent by the wear sensors of the left and right wheels of a front axle and the left and right wheels of a rear axle, and send the state values obtained after the signals processed by the CAN bus tothe vehicle instrument for display. The brake pad wear condition detection method comprises six steps of power supply, measurement, signal transmission, signal processing, signal sending and display.According to the brake pad wear condition detection system and the method, the thickness state information of the brake pad is obtained by measuring the rotation angle of the vehicle axle brake self-adjusting arm, so that the universality is good and long-term use cost is low; the CAN bus is used for periodic communication, the state values are displayed by the vehicle instrument continuously, notonly can real-time display be realized, but also the faults of the detection system can be discovered in time to avoid hidden dangers.

The invention relates to a ship stern boring platform, which is characterized by comprising a steel structure working platform, wherein a pull wire irradiation channel which penetrates through the surface of the working platform is arranged in the center of the working platform; safety protection devices are arranged on the pull wire irradiation channel; upright posts are arranged at the four corners of the working platform; and moving structures are arranged on the upright posts. The steel structure working platform has high structural stability and a good construction space, the safety of a constructor is well ensured by combining various safety protection devices, and safety accidents are avoided; and a scaffold is not required to be erected or dismounted in the period, so that the platform is flexibly and conveniently operated and flexibly transported, production efficiency is improved, and long-term usage cost is low.

The invention provides a damaged concrete pavement panel reinforcing structure and method. The structure comprises a concrete pavement panel, the concrete pavement panel is provided with a reinforcing groove, a plurality of pairs of horizontal steel bar embedding holes are formed in the two walls of the reinforcing groove, and horizontal steel bars are fixedly arranged in the horizontal steel bar embedding holes; a steel fiber reinforced concrete blanket is fixedly poured over the concrete pavement panel. The method comprises the steps of 1, conducting surface debristling; 2, making the reinforcing groove and drilling the plurality of pairs of horizontal steel bar embedding holes; 3, embedding the horizontal steel bars; 4, pouring steel fiber reinforced concrete to form the steel fiber reinforced concrete blanket. By combining the horizontal steel bars with steel fiber reinforced concrete, new cement concrete and old cement concrete cooperation work performance is improved, the bearing capacity of the concrete pavement panel reinforcing area is improved, and the service life and maintenance cycle of a road are prolonged.

The invention discloses a box-type resistance furnace, comprising an outer shell (1), a fire box (7) and a heating element, wherein, the fire box is arranged in the outer shell, the heating element is arranged in the fire box, and an air insulation layer (6) is arranged between the outer surface at the upper part and both sides of the fire box (7) and the inner wall of the outer shell. The invention has simple structure, easy installation, safe transportation and low post-maintenance cost.

The invention provides a reinforcing structure and method for a damaged concrete pavement panel. The reinforcing structure for the damaged concrete pavement panel comprises the concrete pavement panel with the planed surface, a reinforcing groove, multiple pairs of horizontal rebar embedding holes, and vertical rebar embedding holes. The horizontal rib embedding holes are formed in the two groove walls of the reinforcing groove, and the vertical rib embedding holes are formed in the concrete pavement panel. Horizontal rebars are fixedly arranged in the horizontal rebar embedding holes, vertical rebars are fixedly arranged in the vertical rebar embedding holes, and a steel fiber reinforced concrete cover is poured and fixed to the concrete pavement panel. The reinforcing method for the damaged concrete pavement panel includes the following steps that 1, surface planing is conducted; 2, the reinforcing groove is formed, and the multiple pairs of horizontal rebar embedding holes and the multiple pairs of vertical rebar embedding holes are drilled; 3, construction glue is poured, and the horizontal rebars and the vertical rebars are embedded; 4, steel fiber reinforced concrete is poured to form the steel fiber reinforced concrete cover. The bearing capacity of the concrete pavement panel is increased, the service life and the maintenance period of a road are prolonged, and the long-term use cost is reduced.

The invention provides a restoration structure and method for a damaged concrete pavement panel. The restoration structure for the damaged concrete pavement panel comprises the concrete pavement panel with the planed surface, multiple pairs of rebar embedding holes, rebars and a steel fiber reinforced concrete cover. The rebar embedding holes are formed in the two sides of a broken slab crack in pairs and distributed in the extension direction of the broken slab crack. The rebars are vertically inserted and fixed into the rebar embedding holes in a binding mode. The steel fiber concrete cover is poured and fixed to the concrete pavement panel. The restoration method for the damaged concrete pavement panel includes the steps that 1, planing is conducted; 2, the multiple pairs of rebar embedding holes are drilled; 3, construction glue is poured into the rebar embedding holes, and the rebars are vertically embedded; 4, steel fiber reinforced concrete is poured to form the steel fiber reinforced concrete cover, and finally the restoration structure for the damaged concrete pavement panel is formed. According to the restoration structure and method for the damaged concrete pavement panel, the service life and the maintenance period of a road are prolonged, and meanwhile the long-term use cost is reduced.

The invention provides a tower anti-deformation device of a wind generating set. The tower anti-deformation device comprises a supporting mechanism, a hydraulic mechanism and a connecting part; each supporting rod is arranged in a radial mode, the included angle between any two adjacent supporting rods is the same, the tail end of each supporting rod is connected to a support; the hydraulic mechanism comprises a plurality of telescopic parts and hydraulic cylinders, the number of the telescopic parts is equal to the number of the supporting rods, the hydraulic cylinders are connected with thetelescopic parts in a one-to-one mode, the bottom end of each hydraulic cylinder is arranged at the top end of each supporting rod, connecting parts are arranged at the top ends of the telescopic parts, the hydraulic cylinders are used for driving the telescopic parts to drive the connecting parts to move; and the connecting parts are used for being detachably connected with tower flanges of the wind generating set. According to the tower anti-deformation device of the wind generating set, the plurality of supporting rods connected with the hydraulic mechanism are arranged, and the supportingradius of the supporting mechanism is changed through stretching and retracting of the hydraulic mechanism, so that the transportation anti-deformation requirements of towers with different diametersare met, and the long-term use cost of the towers of the wind generating set is reduced.

The invention discloses a composite material reinforcing special-shaped mortise and tenon self-fastening-type duct pieces for underground pipe galleries. The composite material reinforcing special-shaped mortise and tenon self-fastening-type duct pieces for main underground pipe galleries, multi-body galleries, branch galleries and main subsidiary gallery bodies are jointly composed of duct piececonnecting tapered planes, high-performance concrete, concave mortise and tenon joint faces, longitudinal basalt fiber composite material reinforcing ribs, concave mortise and tenon stress slopes, convex mortise and tenon joint faces, convex mortise and tenon composite material reinforcing ribs, convex mortise and tenon stress slopes, convex mortise and tenon concrete and arc composite material reinforcing ribs. The composite material reinforcing special-shaped mortise and tenon self-fastening-type duct pieces for the underground pipe galleries replace duct pieces with reinforced steel materials and reinforced concrete and for the underground pipe galleries, the problem that the service life of main underground pipe gallery bodies is short due to the ubiquitous phenomena of corrosion of duct pieces with steel fastening parts and reinforced concrete and for the pipe galleries, and disassembly of duct pieces with expansive concrete is solved, the safety and reliability of long-term use of the underground pipe galleries are improved, the maintenance and replacement period of the underground pipe gallery bodies is prolonged, and the service life of the main underground pipe gallery bodies is greatly prolonged.

The invention discloses a low-cost long-service-life fast-built hard rock pipe gallery tunnel, and belongs to the field of underground engineering. Existing pipe gallery tunnels crush hard rock full sections to be discharged as construction waste, the construction cost is high, resources are wasted, the service life is short, and the construction speed is low. A rock core is taken out by a centralwater drill splitter; rock barrels are cut by an arc-shaped cutter; segments are longitudinally cut by rock barrel cutting saws; the segments are transversely separated by a central saw; and a middlecutterhead supports to complete a hard rock wall, a rear support pushes a cutterhead to rotatably cut the separated segments, a large cutterhead supports the middle cutterhead to complete the rock wall, the rear support pushes the cutterhead to rotatably cut the separated segments, and the segments are discharged by a discharging system. A reinforced segment lining is manufactured by utilizing tunneling space hard rock to complete the rock wall, residual segment sales income pays off investment, the hard rock cutting amount is small, the resource utilization rate is high, the construction speed is high, the tunneling cost is low, and the service life is long. A series of problems of large hard rock cutting amount, resource waste, low tunneling speed, high tunneling cost, purchase of concrete segments, short service life, high use cost and the like in the prior art are solved.

The invention relates a using method of a compound mineral medicament. The compound mineral medicament comprises an A medicament formed through spiral extruding granulation by using magnesium mineraland NaOH as raw materials and a B medicament formed through high-speed tabletting by using Ca(OH)2, the magnesium mineral and NaOH as raw materials respectively. Raw water in a lead-acid storage battery enterprise goes through a raw water tank, an oil separation tank, an A medicament dosing tank, an A medicament reaction tank, a B medicament dosing tank, a C medicament dosing tank, a polyacrylamide (PAM) flocculation tank, an inclined plate sedimentation tank, a mechanical filter and a clean water tank which are connected in sequence, so that effluent water reaches the standard. According to the using method of the compound mineral medicament, NaOH can be replaced, so that the risk and cost of wastewater treatment are reduced, the addition of sodium salt is avoided, the concentration of sulfate is reduced, the conductivity is lowered, and the reuse of recycled water is realized; and callback is carried out without using sulfuric acid in the treatment process, so that close-loop production of lead element is guaranteed.

The invention discloses a low-cost long-service-life rapidly-built pumped storage power station and belongs to the field of underground engineering. According to the low-cost long-service-life rapidly-built pumped storage power station, an underground reservoir of the pumped storage power station is built; as for the diameter within 3 meters, a rock core is taken out through a center water drill splitter, a rock barrel is cut by an arc-shaped cutter, each rock barrel cutting saw longitudinally cuts segments, and central saws transversely separate the segments; as for the diameter of 3-20 meters, a middle cutterhead is adopted to support a finished hard rock wall, and a rear support propelling cutterhead rotates to cut and separate the segments in the middle layer; and as for the diameter of more than 20 meters, a large cutterhead supports a finished middle cutterhead rock wall, rear support propelling rotating is carried out to cut and separate the segments, and a discharge system discharges the segments. Enhanced segmental lining finished rock wall is manufactured by using hard rock in tunneling space, and sales income of the remaining segments offsets investment. According to theunderground pumped storage power station, the construction cost is lower than that of the prior art by 30%, the service life is 10 times that of a concrete material, compared with the prior art, theconstruction speed is increased by more than one time, and the problems of high construction cost, short service life, low construction speed, high use cost and the like of the pumped storage power station in the prior art are solved. According to drainage systems of various countries, sewers can still be used after 2500 years in Roman.