33results about How to "Meet the requirements of the construction" patented technology

The invention mainly discloses an urban rainwater purification method and a hydraulic jump type filter used therein. According to the technical scheme of the invention, the urban rainwater purification method comprises the following steps: collecting rainwater, detecting the rainwater, carrying out sedimentation treatment, carrying out pH value treatment, carrying out aeration treatment, carrying out biological purification, carrying out fine filtration, and storing. The used hydraulic pump type filter comprises a first filter cartridge and a second filter cartridge, a detection cavity is arranged at a water outlet, only after water body is detected to be in line with urban water consumption requirements by virtue of a detection head, the water body is conveyed into a water storage tank, otherwise the water body is conveyed into the first filter cartridge and the second filter cartridge to be filtered again. The urban rainwater purification method disclosed by the invention has the advantages that the rainwater is collected and purified, collection, permeation, purification and utilization of the rainwater in an urban range are realized to the utmost extent under the premise of guaranteeing waterlogging prevention and safety of a city, urban waterlogging stress can be effectively alleviated and reduced, purification efficiency is high, water quality of the treated rainwater is effectively improved, utilization of a rainwater resource is promoted, and sponge urban construction requirements are met.

The invention discloses the manufacture methods of a contact wire and a rod blank. The manufacture method of the contact wire comprises the following steps: manufacturing a plurality of precipitation-strengthened copper alloy oxygen-free cast rods by smelting; preprocessing the oxygen-free cast rods to obtain a plurality of blank rods; connecting the plurality of blank rods seamlessly; feeding the connected blank rods to an extruder for continuous extrusion, and cooling the extruded contact wire rod blanks; cold-rolling the contact wire rod blanks, and subjecting to aging treatment; and cold-drawing the contact wire rod blanks for multiple times according to the predetermined section size of the contact wire to obtain the contact wire. The method can simplify the smelting and thermal treatment of the precipitation-strengthened copper alloy contact wire material. The manufactured contact wire has the advantages of fine and dense grains, higher mechanical strength, good conductivity, and better physical performance, and can meet the length requirement for railway construction.

The invention is a saline soil region strongly ramming and drainage pile foundation processing method, called PDP strongly ramming method for short, comprising the steps of: firstly making pile machine in position, then starting the pile machine to make pile pipe vertically sink from the set position to the designed depth, casting gravels, screes, rough sand and other rough particular pile materials into the sunk pipe; after completing casting materials and drawing the pipe to form drainage pile; constructing other drainage piles; laying a layer of rough particular materials in the covering position of each drainage pile on the surface of the processed region to form a drainage surface layer; making click strong ramming on the drainage surface layer to form rammed pits; when the ground water in the foundation seeps into each drainage piles and converges through the drainage surface layer into the rammed pits, pumping out the ground water from the rammed pits to the outside of the construction site; and finally backfilling the rammed pits and leveling. And it can save foundation processing expenses, improve construction quality and raise working efficiency.

The invention relates to a cold-resistant high-strength hot-rolled angle steel and a production method thereof. The angle steel contains, by weight, 0.06%-0.20% of carbon (C), 0.20%-0.50% of silicon (Si), 1.10%-1.50% of manganese (Mn), phosphorus (p), sulphur (s), 0.030%-0.070% of vanadium(V), 0.015%-0.050% of niobium (Nb), and 0.10%-0.60% of nickel (Ni), wherein p <=0.015% and s <=0.010%. Carbon equivalent (CEV) =C+Mn/6+ (Cr+Mo+V)/5+ (Ni+Cu)/15<=0.40%. The process includes smelting, slagging, argon blowing, continuous casting, heating of casting blank, hot rolling and cooling to a room temperature. According to the cold-resistant high-strength hot-rolled angle steel and the production method thereof, requirements for a power transmission tower at -40 DEG C can be completely satisfied, the yield strength of the angle steel is larger than 550 MPa, the tensile strength of the angle steel is larger than or equal to 680 MPa, the elongation after fracture of the angle steel is larger than or equal to 24%, the Charpy impact energy at -40 DEGC is larger than or equal to 55J, and the grade of the prior austenite grain size is greater than or equal to 10 grade. The cold-resistant high-strength hot-rolled angle steel has the advantages of being high in strength, fine in grains and good in toughness, the production method can be used for producing the angle steel for an ultrahigh pressure power transmission tower, and the side width of the angle steel can be kept to be 280mm or more.

The invention relates to an intelligent distribution box which is applied to the field of power distribution in an electrical power system. The intelligent distribution box is mainly composed of a remote monitoring center, a general packet radio service (GPRS) wireless communication network and a remote terminal, wherein the a remote monitoring center is mainly composed of a personal computer (PC) and principle computer monitoring software, the GPRS wireless communication network is connected with a GPRS operator router through a service GPRS supporting node (SGSN) device, and the remote terminal is the main body of the intelligent distribution box and is mainly composed of a GPRS wireless transmission module, a collector, a control and protecting switch and a reactive compensation controller. The novel intelligent distribution box is capable of monitoring electric equipment in real time, transmitting real-time line information to the remote monitoring center through the GPRS wireless communication network, and controlling connection and disconnection of lines in real time according to commands of the remote monitoring center, and has the advantages of being simple in structure, powerful in function, capable of meeting requirements of the country for intelligent power grid construction, and the like.

The invention relates to a combined drainage system in a saline oil region and a method for processing the combined drainage and strongly tamping foundation. The method comprises the following steps: firstly, the combined drainage system for dredging and discharging groundwater is arranged in the foundation soil of a treatment region; the combined drainage system comprises a drainage passage combined by plastic drainage strips and dinas drainage piles; each plastic drainage strip and each dinas drainage pile are covered and a construction and operation surface layer is paved on the surface of the treatment region; the strongly tamping is carried out on the construction and operation surface layer by a tamping hammer; a tamping pit is formed in each dynamic tamping position; after groundwater in the foundation is collected in the tamping pits, pumped and discharged to the outside of a construction field; and the tamping pits are backfilled and leveled, thereby completing the first point tamping. The combined drainage system and the method solve the problem of discharging groundwater, substantially improve the bearing capacity of the foundation and the modulus, meet the requirements of constructing various buildings in the saline oil region, can save the expenses of foundation treatment by over 40 percent and shorten the construction period of the foundation treatment by more than one half.

The invention discloses a moon base energy supply system and method based on compressed carbon dioxide energy storage. The system employs a compressed carbon dioxide energy storage technology to achieve the high-capacity and high-density storage of excess electric energy of a photovoltaic system during strong illumination in the month day, and the high-power, stable and controllable release of the surplus electric energy in the month night, solar eclipse and insufficient illumination periods. Meanwhile, parts required by the energy storage system are compact in structure, small in size and light in weight. A solar photo-thermal device is introduced, so that the temperature grade of the heat storage subsystem can be further improved, the storage capacity of the system is further improved, the operation cycle of the energy supply system is prolonged, and stable energy supply of the lunar base is guaranteed. Meanwhile, due to the fact that a heat storage subsystem exists in the system, a moon base heat management system can be developed in the later period, and heat and power cogeneration is achieved. The system and the method have important scientific significance and engineering application value in the aspects of promoting the development of a space energy technology, accelerating the construction of a moon base and the like.

The invention relates to a combined drainage system in a saline oil region and a method for treating the strongly tamping foundation. The method comprises the following steps: firstly, plastic drainage strips are constructed in a treatment region, then a dinas drainage undercourse is paved on the position of the surface of the treatment region coated with each drainage strip; the plastic drainage strips and the dinas drainage undercourses are combined to form a passage for dredging and discharging groundwater; points are distributed on the dinas drainage undercourses and strongly tamped by a tamping hammer; a tamping pit is formed in each strongly tamping position; after the groundwater in the foundation flows into each plastic drainage strip, flows to the dinas drainage undercourse by the plastic drainage strips and are collected in the tamping pits by the dinas drainage undercourses; the groundwater collected in the tamping pits is pumped and discharged to the outside of a construction field; and finally, the tamping pits are backfilled and leveled. The combined system and the method can substantially improve the bearing capacity of the foundation and the modulus, meet the requirements of constructing various buildings in the saline oil region, save the expenses of foundation treatment and shorten the construction period of the foundation treatment.

The invention provides an air insulated ring main unit, which comprises a cabinet body, wherein the cabinet body is divided into an upper part, a middle part and a lower part; a drawer-type cabinet tank is arranged in the middle cabinet body; a guard plate and a wall-through bus are arranged in the upper cabinet body; the wall-through bus is provided with a main bus and a fixed contact; a circuit breaker, an isolating mechanism and a circuit breaker operating mechanism are arranged in the drawer-type cabinet tank; the isolating mechanism and the circuit breaker operating mechanism are located on the side surface of the circuit breaker; the circuit breaker comprises a glass fiber-reinforced nylon resin embedded pole shell; a current transformer is arranged in the lower cabinet body and is connected with the circuit breaker through a switch connection bar; the current transformer is connected with a sensor through a copper bar; and a lightning arrester is arranged at the lower part of the current transformer. The air insulated ring main unit is simple in structure, reasonable in design, low in manufacturing cost, nontoxic, odorless and good in weather fastness, can be completely recovered and recycled after being used, is harmless to the environment and meets the requirements of green power grid construction; and a product is convenient to repair.

The invention belongs to the field of height limiting frames, and particularly relates to an adjustable height limiting frame for road construction. A first cross beam and a second cross beam which are in threaded connection are fixedly mounted at the tops of two top vertical plates of a mounting seat respectively, and adjusting blocks are fixedly mounted at the sides, away from each other, of thetwo vertical plates; lead screws in threaded connection with driving blocks are rotationally installed on the inner walls of the bottoms of the adjusting blocks, rotating pieces are fixedly installedon the sides, close to each other, of the two driving blocks, and the two rotating pieces penetrate through the inner walls of the sides, close to each other, of the two adjusting blocks and the sides, away from each other, of the two vertical plates correspondingly and extend to the sides, close to each other, of the two vertical plates correspondingly. The two lead screws are both in transmission connection with an adjusting assembly, and the sides, close to each other, of the two rotating pieces are rotationally provided with a first height limiting pipe and a second height limiting pipe which are provided with anti-collision assemblies correspondingly. The problems that an adjustable height limiting frame is not reasonable enough in design, cannot be suitable for roads of different sizes, and is damaged when the vehicle reaches the frame for mistake due to lack of a buffering device are solved.

The invention provides a construction method for a foundation of an electric power iron tower of a power transmission line. The construction method comprises a joint control mechanism, a main body mechanism and a platform straight plate, wherein the platform straight plate is arranged on the main body mechanism in a sliding fit mode, and the joint control mechanism is installed on the end surface of the middle of the platform straight plate. According to the construction method, the problems that in the existing foundation pouring construction process, a fixing mode of foundation bolts is usually clamping and fixing by adopting a single piece of channel steel or a batten, the foundation bolts cannot be effectively fixed in the mode, so that the perpendicularity of the foundation bolts exceeds an error allowable range, the exposure height of the foundation bolts is difficult to synchronously control, the moving distance between the centers of the foundation bolts and the center of the foundation is difficult to synchronously control, long-time adjustment and fixing are needed, so that the construction efficiency of the foundation is low, the construction quality of the iron tower foundation is difficult to guarantee, and the stability of the foundation bolts applied to a connecting foundation and the power transmission line iron tower is influenced are solved.

The invention relates to a rainwater collection and utilization system. The system comprises at least one downpipe, at least one water storage pipe, at least one diverter and at least one connecting pipe; the downpipe communicates with the water storage pipe through the connecting pipe; the divider is mounted in the connecting pipe; the diverter is provided with a diversion part and a connecting part; the diversion part is located at the top of the connecting part; the connecting part is provided with at least one through hole; the water storage pipe communicates with the through hole; rainwater falls into the diversion part from the downpipe; the diversion part diverts the rainwater into the water storage pipe to collect the rainwater; and when the rainwater in the water storage pipe is fully stored, the rainwater enters the downpipe through the through holes to be discharged. According to the rainwater collection and utilization system, the water storage pipe is erected on the side edge of the downpipe, an additional water storage pond does not need to be built on the ground, the structure is simple, and the manufacturing cost is low; meanwhile, rainwater can be collected and utilized to reduce the pressure of urban sewage treatment, the sewage treatment cost is reduced, and the requirement for sponge city construction is met.

The invention provides a push type diker and a diking method thereof. According to the push type diker and the diking method thereof, the diker is positioned to the position where diking needs to be conducted, and the diker is made to sink into silt gradually under the action of a jetting hole; then stones are thrown into a forming cabin of the diker, a piston rod of a pushing oil cylinder stretches out backwards to push the stones after the height of the stones is larger than that of the pushing oil cylinder on the diker, and forward counter-acting force can be provided for the whole diker by the stones due to the fact that firm silt behind the stones cannot be squeezed open by the stones; the jetting hole works all the time to activate and push open the silt in front and below, so that the diker advances to squeeze open the silt in front, and stones are thrown by the diker continuously when the diker advances, so that the lower portion of a sea dike is dump-filled; then the upper portion of the sea dike is dump-filled through a conventional method, so that construction of a dike body of the whole sea dike is completed. By the adoption of the push type diker and the diking method thereof, the constructed dike body can be well matched with a construction drawing, and stones can be saved; meanwhile, diking can be conducted under complicated geological conditions, and thus the push type diker and the diking method thereof are highly practical.