41results about How to "Reduce land acquisition" patented technology

The invention provides a fracturing pump truck driven by a turbine engine, which comprises an engine, a fracturing pump, pipelines and the like. A traditional large and heavy diesel engine is replaced by the turbine engine which is small in size, light in weight and high in power, the total output power of a single fracturing pump truck can be more than 4000hp under the requirements of limited integral vehicle weight. The fracturing pump truck driven by one turbine engine is equivalent to the fracturing pump truck driven by two traditional diesel engines, so that output power of unit operating area is improved, more labor and materials can be saved in transport and specific constriction operations of fracturing equipment, land requisition and operating area are reduced, and construction efficiency is improved. Further, the turbine engine can also use various gaseous and liquid fuels and is especially suitable for shale gas exploitation.

The invention belongs to the technical field of roadbed widening and relates to a soft soil area roadbed widening structure and a construction method thereof. The soft soil area roadbed widening structure comprises an old roadbed, a gravel cushion layer, a soft soil stratum and a lower lying supporting layer which are arranged successively from top to bottom and further comprises vertical pile bodies, connecting pieces and reinforced retaining walls. The vertical pile bodies punch through the soft soil stratum and are supported on the lower lying supporting layer; the gravel cushion layer is laid on the tops of the vertical pile bodies; steps are arranged in the position, on a slide slope after substantial slope cutting, of the old roadbed; the slope ratio of the slide slope after slope cutting is (1:0.5)-(1:1); the reinforced retaining walls are arranged on the gravel cushion layer and are buckled with the steps of the slide slope of the old roadbed; and the connecting pieces are placed on the combination parts of the reinforced retaining walls and the old roadbed and are connected with the reinforced retaining walls and the old roadbed correspondingly. The invention provides the roadbed widening structure and the construction method thereof, the occupied area is small, the foundation treatment cost is low, the filler requirement is few, construction efficiency is high, the structure is stable, and the roadbed widening structure and the construction method thereof are especially suitable for roadbed widening engineering in coastal soft soil areas.

The invention relates to a composite apparatus, in particular to a 110kV/220kV voltage level composite apparatus and an application thereof. The composite apparatus is an innovation on the basis of original HGIS, thus being called XHGIS for short. The invention is characterized by providing a novel composite apparatus without a bus isolating switch, and application thereof in power distribution units, and being capable of designing a novel power distribution unit which has convenient installation, extension and operation; the whole technical scheme has less occupation area, can fully utilize the space under the bus, and has the occupation area which is reduced by 30 to 40 percent compared with the typically designed outdoor AIS scheme; the invention has less investment compared with that of HGIS, and the comprehensive investment cost is not in the bad situation any more compared with the AIS scheme; and simultaneously, the invention is also characterized by no need of power off of thebus when a breaker is overhauled, no influence on bus operation and higher reliability, thus not only bringing the advantages of the SF6 composite apparatus into full play, but also overcoming the disadvantages thereof in overhauling and extension.

A technology for increasing the capacity of tailing site for metal mine features that the dam of the said tailing site is further built upward vertically along the axis of upper sub-dam and a hydraulic cyclone is used to discharge the coarse particles outside the damp and stack the fine particles inside the dam. Its advantages include high effect, and high safety.

The invention discloses a tunnel open-cut-tunnel underground-excavation construction technology under a complicated geologic environment. The tunnel open-cut-tunnel underground-excavation constructiontechnology comprises the following steps that first, surveying, setting-out and construction layout are conducted; second, water interception and drainage construction at the roof is conducted; third, a side and face upward slope is excavated and supported; fourth, a soil loose tooling is formed and constructed, specifically, when the side and face upward slope is excavated to get close to the elevation of the roof of an open-cut tunnel, large-range excavation is stopped, measuring staff set the lining axis and elevation of the open-cut tunnel on site, and earthwork stone on the two sides islongitudinally excavated along the axis of the open-cut tunnel through a reserved core soil method; fifth, cast-in-place concrete is conducted, specifically, an isolation layer is arranged on the outer surface of the formed soil loose tooling, and the isolation layer sequentially comprises a graded broken stone base with the thickness being 8 cm, a 1:3 cement mortar leveling layer with the thickness being 2 cm, and a color strip cloth interlayer from inside to outside; sixth, a protective arch of the open-cut tunnel is constructed; seventh, the open-cut tunnel is excavated and supported; and eighth, lining of the open-cut tunnel is conducted. According to the construction technology, landslide and collapse during tunnel excavation can be effectively prevented, the surrounding environment of a tunnel is protected, and construction is convenient, quick, safe and reliable.

The invention belongs to the technical field of hydraulic engineering construction and relates to a process method for borrowing earth used for embankment reinforcement. The method solves the problems of large earth volume required in an embankment reinforcement project, large operational pressure in land acquisition in the early period of the project, poor construction conditions and large project investment. The construction method is as follows: borrowing earth from dyke protection areas to earth up an embankment, and then getting earth beside river banks in wider floodplain areas with hydraulic power to fill borrow pits in the dyke protection areas to realize replacement earth borrowing for embankment reinforcement. The construction according to the method can save areas of permanently acquired land and acquired reclaimable land and consequently saves project investment. At present, upper reaches of rivers and river branches are blocked seriously. The replacement earth borrowing technique of the invention, together with river improvement, contributes to flood discharge and shipping condition enhancement by removing the earth volume in the floodplain areas.

The embodiment of the invention relates to a sewage treatment device and a sewage lifting system. The sewage treatment device comprises a water inlet pipe, a solid-liquid separation tank, a one-way filter, a cut-off floating ball, a water collection tank, a sewage pump and a water outlet pipe. The solid-liquid separation tank comprises a water inlet, a filtered water outlet and a sewage discharge outlet. The sewage pump comprises a pump body, a first connection pipe and a second connection pipe. The first connection pipe is connected with the one-way filter and the pump body. The second connection pipe is connected with the pump body and the water collection tank. During water collection, sewage flows into the solid-liquid separation tank through the water inlet pipe, and the liquid part is discharged into the water collection tank through the sewage drainage outlet, the first connection pipe, the pump body and the second connection pipe after sewage is filtered through the one-way filter. Solid residues in sewage are filtered out through the one-way filter and left in the solid-liquid separation tank. During sewage drainage, the sewage pump is started to work and pump out sewage in the water collection tank, and sewage enters the water collection tank through the second connection pipe, the pump body, the first connection pipe and the one-way filter and is discharged out of the water outlet pipe through the sewage drainage outlet.

The invention discloses a construction technology of slag stacking behind a concrete faced rock-fill dam and relates to the technical field of water and electricity hydraulic engineering. According to the construction technology of the slag stacking behind the concrete faced rock-fill dam, a waste slag area is arranged behind the concrete faced rock-fill dam, waste slags from main dam foundation, shore protection excavation, quarry excavation and temporary project excavation, the top and side slops of the waste slag area are provided with greening and water protection measures, a riding track is arranged at an appropriate elevation, and a drainage edge body, a drainage gallery and a drainage channel which is used for draining seepage water inside the slag stacking body and served as a main dam are arranged inside a slag stacking body behind the dam; a slag yard is arranged behind the dam, the slag stacking body directly presses a downstream dam surface, land acquisition and immigrants at the slag yard and a connecting road are reduced; the waste slag area is close to an engineering excavation area and accordingly waste slag haul distance is reduced; drainage and protection measures of the main dam can be partially utilized and accordingly the slag yard engineering protection amount is reduced; the slag stacking body can be served as dam toe weight and accordingly the dam body stability, particularly the anti-seismic is increased; the structure of the slag yard behind the main dam is economic and environmental friendly and can be widely applied to rock-fill dam construction of the water and electricity hydraulic engineering.

The invention relates to an anode carbon block conveying system and in particular provides an anode carbon block suspended chain conveying system between an anode carbon block warehouse and an anode assembly workshop of an electrolytic aluminum enterprise. A carbon block conveying gallery is arranged between an anode assembly workshop and an anode carbon block warehouse; an assembly workshop carbon block conveyor and a carbon push-out device are arranged in the anode assembly workshop; a carbon block warehouse carbon block conveyor and a carbon block push-in device are arranged in the anode carbon block warehouse; a suspension type suspended chain conveyor is arranged in the carbon block conveying gallery; lifting tools are arranged under the suspension type suspended chain conveyor. The system can reduce the manpower quotas of enterprises, increase the labor productivity of the enterprises, reduce the engineering construction and production operating costs, reduce the electrolytic aluminum production cost and bring certain economic benefits for the enterprises.

The invention relates to a transition section structure for underground tunnel access place and viaduct bridge connection and a construction method. The transition section structure comprises a transition section structure body extending longitudinally along a line, wherein the transition section structure body comprises a bottom plate and side walls located at two sides of the bottom plate; a lane plate used for supporting ballast bed structures is arranged in the transition section structure body and located above the bottom plate; the lane plate is arranged in a slope mode in the longitudinal direction of the line; and a lane plate structure is arranged in the transition section structure body to solve the height difference problem that the rail surface is higher than the ground, and the height of boundary rail surfaces between tunnels and roadbeds and between tunnels and bridges is enlarged and higher than the designed water level. Open-cut U-shaped grooves are directly adopted tobe provided with the lane plate structure to be connected with viaduct bridges, short roadbeds are omitted, composite foundations, bearing piles and other measures are arranged on the bottom plate ofU-shaped groove structures according to different geological conditions, the structural rigidity is improved, the problem of differential settlement caused by different structural rigidities is solved, and land acquisition of roadbed sections is reduced.

The invention provides a fill roadbed structure and a construction method thereof, and belongs to the technical field of roadbed construction. The fill roadbed structure comprises a roadbed, a stone work cushion layer is laid on the bottom of the outer side of a roadbed slope, the stone work cushion layer and the part above the roadbed slope are filled with soil-stone mixed filler so as to form a fill side slope, and the slope ratio of the fill side slope is smaller than or equal to 1:4.0. The outer side of the roadbed is filled with the stone work cushion layer and the soil-stone mixed filler to jointly form a protection system protecting the conventional roadbed and serving as a basis for slope soil at the same time. The problems that a traditional fill roadbed is high in protection expense, not environment-friendly, large in accident loss, high in waste slag field establishing expense and the like are solved.

The invention discloses a T-shaped structure of a wind power plant booster station in a mountain area and an arrangement method. The T-shaped structure comprises a complex building, a reactive compensation device, a main transformer and a living water treatment device. The T-shaped structure is characterized in that the complex building and the main transformer are arranged on the same transverse axis, the reactive compensation device and the living water treatment device are arranged on the same vertical axis, the transverse axis is perpendicular to the vertical axis, and the vertical axis is located at the end of the transverse axis, so that the T shape is formed. The invention further discloses the arrangement method of the T-shaped structure of the wind power plant booster station in the mountain area. When the T-shaped structure and the arrangement method are used, the main transformer is adjacent to a 35kV power distribution device and a GIS power distribution device, the length of cables and steel-cored aluminum strands needed by connection between the devices is reduced, and the initial investment is reduced. The booster station is compact in arrangement structure and small in occupied area, and saves expropriated land. In addition, all indoor electrical devices and houses for living are arranged in the complex building, the vertical space is utilized, the occupied area is effectively reduced, the civil engineering cost is saved, and the construction cycle is shortened.

The invention relates to a well-sinking and water-purifying method for a river bank multilayer structure, wherein a water purifying building is composed of a cutting edge, a well wall, a bottom plate water-resisting layer, flared opening bases, flared opening water inlet tanks containing bosses, a pump set platform, a chlorine disinfection chamber, a power distribution duty room, a laboratory, a shallow type grit chamber. In an improved water purifying building, the cutting edge is sunk while earth is cut, when the cutting edge is sunk to a projected depth, the well wall is reinforced by a tons support, so that the well ring is not sunk, and the flared opening water inlet tanks containing the bosses can be conveniently installed. Prefabricated flared opening bases are arranged below the cutting edge, the flared opening water inlet tanks containing the bosses in a shape that an outer part is big and an inner part is small are installed between the flared opening bases, and then sand gravels outside a well are prevented from flocking into the well. A sunk well is not sunk due to the flared opening bases and a certain water depth is kept in the well and water can be easily pumped. In an installation process of the flared opening water inlet tanks containing the bosses, because the flared opening bases are provided with the bosses which are concave-convex coupled with the cutting edge, the flared opening bases can be conveniently installed, and workload is reduced and a sunk well is not inclined.