116results about How to "Save on construction costs" patented technology

The present invention relates to propping agent which is widely applied to the oil and gas well hydraulic fracturing technology, and the present invention especially relates to a manufacturing method and a preparation technology of low-consistency propping agent and is characterized in that firstly, plant fibre material is used as the raw material and is crushed and grinded as plant fibre granules; secondly, modifying agent solution dips and solidifies the plant fibre granules; thirdly, macromolecular resin is used to covering the granules which are crushed and filtered again to form the propping agent. The propping agent prepared by the technology and method can conquers that the prior propping agent has large energy consumption and high expense of the whole construction, or the propping agent of the present invention does not easily cause the phenomena of propping agent disgorging or crack emptying.

The invention discloses a three-dimensional (3D) horizontal well drilling construction method, and belongs to the technical field of oil and gas well drilling. According to the method, a directional inclined well section is four sectioned; the 3D angle building variable-azimuth well section drilling build-up rate of a second section and the two-dimensional angle building variable-azimuth well section drilling build-up rates of a first section and a fourth section are identical, so that the technical shortages that tool build-up rates need to be adjusted usually for the reason that build-up rates in the traditional construction method are changed continuously and pulling out of a hole and drilling down are performed frequently are overcome; meanwhile, the angle building variable-azimuth well section turning direction tool face angle of the second section is a constant all the time, and the time and construction amount to put a tool face are saved. By the construction method disclosed by the invention, well drilling and directional construction are performed conveniently; the heterogeneous reservoir shooting probability is improved; the traditional drilling tool equipment is used, the construction time in the same case can be shorted by above 25%; the construction efficiency is greatly improved; the construction difficulty is reduced; the construction costs are reduced by above 17%; the costs are greatly reduced; the construction method is suitable for actual production.

The invention relates to an internal combustion engine and a valve drive unit thereof. The internal combustion engine comprises a plurality of cylinders. At least one cam shaft is rotatably supported in order to operate ventilating valves of the cylinders of a cylinder set, and one sliding cam allowing axial sliding is arranged on the cam shaft corresponding to each cylinder. A common actuator (7) is provided for all the sliding cams (2a, 2b, 2c) so that the sliding cams (2a, 2b, 2c) supported on the cam shaft (1) in an axially slidable manner can slide axially.

The invention relates to manufacture of airplanes and flying use, taking off and landing modes of the airplanes. Excellent performance of a modern jet plane capable of flying supersonically and convenient taking off and landing of a helicopter are perfectly integrated on a jet helicopter. Wings and a motor of the jet helicopter are movably arranged and can be rotatably adjusted, a hydraulic control unit rotates the wings (3) and the motor (2) simultaneously when the airplane takes off or lands; and the change of the jet direction of the motor can change the taking off and landing mode of the airplane. Another mode is to arrange the motor on an airplane body and operate, control and rotate the motor by a hydraulic unit. Both modes can make the airplane take off and land vertically. The technique applied can design and produce various jet helicopters to serve national defense and human society.

The invention relates to a feed distributor of furnace, belonging to technical field of metallurgical industry. The invention is used in distributing on the bell-less top of furnace, which comprises a rotating motor, a tilting motor, a reduction gear, a rotating mechanism, a tilting mechanism, a centre venturi tube and a chute. The chute is driven to tilt when the tilting motor works singly, to rotate when the rotating motor and the tilting motor rotate synchronously and to tilt and rotate synchronously when the rotating motor and the tilting motor rotate asynchronously. The invention has the advantages of compact structure, reliable transmission, steady working, high transmission efficiency, long service life, small workload of maintenance and convenient replacement of the chute, therefore can be used in different furnace engineering.

The invention discloses a cement modified soil strengthened geogrid reinforced soil structure and a construction method thereof. The cement modified soil strengthened geogrid reinforced soil structure (shown in a figure 1) is composed of four parts including a base layer (1) and a cover layer (9) composed of cement modified soil, a water drainage layer (2) and a cement modified soil strengthened geogrid reinforced soil layer thereof, and is a novel geogrid reinforced soil structure which is formed by improving similar structures through utilizing good properties including solidification, high wetting resistance, high anti-scouring and flood damage resisting properties, high shearing strength and the like of cement modified soil. Compared with an existing similar structure, the novel geogrid reinforced soil structure and the construction method thereof, provided by the invention, can realize panel-free construction of an abrupt-slope reinforced soil structure, and can also remarkably improve the wetting resistance, anti-scouring property and whole shearing strength of the geogrid reinforced soil structure; the cement modified soil strengthened geogrid reinforced soil structure is especially suitable for protecting and reinforcing edge slopes, which are easy to scour and damage by flood, of abrupt-slope sections.

The invention discloses a low-grade thermally-driven Rankine power generation device with an ejector, which comprises a generator, an expansion machine, a power generator, an ejector, an absorber, a circulating pump and a solution heat exchanger. The circulating pump transports the working fluid required to complete an absorption process in the absorber to the generator through the low-temperature side of the solution heat exchanger; an absorbent solution on the high-temperature side of the solution heat exchanger is cooled and then fed into the ejector; the working fluid in the generator is heated by an input heating source so as to generate high-pressure working steam; the high-pressure working steam is fed into the expansion machine for doing work through expanding; the working steam subjected to expansion is fed into the ejector, and is injected by the working fluid in the ejector; and finally, the working steam is fed into the absorber to complete the absorption process. According to the invention, the expansion machine can do more mechanical work in the process of expansion, so that the heat conversion efficiency is higher; and the mechanical work consumed in the process of transporting the solution subjected to absorption to the generator by the circulating pump is obviously reduced, therefore, the net power generation efficiency of the whole device is greatly improved.

The invention provides a cement concrete pavement renewing material which is composed of 50-500 parts of ordinary Portland cement, 50-450 parts of sulfoaluminate cement, 180-600 parts of medium sand, 30-80 parts of redispersible latex powder, 1.5-7 parts of defoaming agent, 1-5 parts of tartaric acid, 1.5-7 parts of organosilicon water repellent, 0.5-3.5 parts of cellulose ether, 15-180 parts of fly ash and 20-150 parts of slag powder. The invention also provides a preparation method of the renewing material. The preparation method generates less construction waste, can not cause environmental pollution, can implement quick open traffic within 4-48 hours, saves both time and labor, and is beneficial to the state and people.

The invention discloses a multiple-meter-in-one remote meter reading system and relates to remote meter reading. The system comprises a GPRS public network, a protocol converter, a concentrator, an intelligent electric meter, an intelligent water meter, an intelligent gas meter and an intelligent heat meter. The intelligent water meter, the intelligent gas meter and the intelligent heat meter areconnected with the protocol converter. The protocol converter and the intelligent electric meter are connected with the concentrator. The concentrator is connected with the GPRS public network. According to the system, the traditional intelligent electric meter, intelligent water meter, intelligent gas meter and intelligent heat meter are modified, and moreover, certain compromise is carried out,so the modification is unlikely to be excessive; uplink data of the intelligent water meter, intelligent gas meter and intelligent heat meter is unified as power carriers consistent with an uplink data protocol of the intelligent electric meter, so the remote unified meter reading is realized, and related construction funds and human cost are reduced; and a supercapacitor is introduced to supply power to four meters, so the meters can work continuously and normally.

The invention discloses an X120 high grade pipeline steel. The X120 high grade pipeline steel comprises the following components in percentages by weight: 0.04-0.06% of C, 0.20-0.30% of Si, 1.80-2.00% of Mn, less than or equal to 0.015% of P, less than or equal to 0.005% of S, 0.075-0.090% of Nb, less than or equal to 0.030% of V, 0.010-0.020% of Ti, less than or equal to 0.050% of Al, 0.25-0.35% of Cr, 0.25-0.35% of Mo, 0.30-0.40% of Ni, 0.25-0.35% of Cu, 0.0008-0.015% of B, less than or equal to 80 ppm of N, 0.15-0.25% of Pcm and the balance of Fe and impurities. The invention further discloses a preparation method of the X120 high grade pipeline steel. A steel plate produced from the X120 high grade pipeline steel has the advantages of high strength, high toughness and low yield ratio.

The present invention relates to a carbon disulfide waste gas dehydrosulfurization process and its dehydrosulfurization equipment. It is mainly characterized by that said dehydrosulfurization adopts tubular absorber with spray head in stead of general spray-type absorption tower, so that the H2S removing rate can be up to 99.5%-100%.

The invention provides a network security teaching system based on virtual reality and belongs to the education field. The network security teaching system comprises a virtual reality system, a central processing control system, a data modeling system, a database, a data analysis system, a man-machine interaction device, VR glasses, a sharing interconnection device and a judgment system. The system provides software that allows a user to operate different operating systems simultaneously on a single desktop, and to develop, test and install a new application program in the systems. The virtual reality system can also realize simulation of a complete network environment through interconnection of a plurality of virtual systems on one real machine. A virtual machine is used in the network security course teaching, so that the system not only saves construction expenditure of a special training room and reduces laboratory management and maintenance burden, but also greatly improves teaching effect.

The invention discloses a signal tower for big data artificial intelligence communication based on a 5G communication network, including embedded parts, a slide and support rods. The inside of each embedded part is connected with a fixing bolt, and a nut is installed on the top of each fixing bolt. Reinforcing bars are installed above a bottom plate. A main rod is fixed on the right side of a slider. A hydraulic push rod is connected below the main rod. A lamp shade is arranged on the right side of each support rod. A lighting lamp is installed inside each lamp shade. A hinge is connected below each lamp shade. According to the signal tower for big data artificial intelligence communication based on a 5G communication network, through the setting of the hydraulic push rod, the main rod, the slider and the slide and the expansion and contraction of the hydraulic push rod, an upward force is applied to the main rod so that the slider on the main rod can move in the slide and drive the main rod to adjust the position in the vertical direction, so as to adjust the height of the signal tower. Thus, the height of the signal tower can be adjusted according to different installation locations and installation positions.

The invention relates to an optical property measurement system and an application method thereof. The system comprises a measurement target, a detector and a controller, wherein the measuring targetand the detector are located in the same horizontal plane; the controller is used for receiving the measuring instruction, determining the target motion gesture of the measurement target and the target position information of the detector according to the target incidence angle and the target detection angle carried in the measurement instruction; controlling the measurement target to adjust the motion posture according to the target motion posture,; according to the target position information, the detector is controlled to move; the measurement target is used for adjusting the motion postureof the controller under the control; the detector is used for moving to a target position corresponding to the target position information under the control of the controller, and measuring the measurement target after the movement posture is adjusted at the target position. According to the scheme, the height adjustment range of the detector can be reduced, the space occupied by the optical property measurement system is reduced, and the construction cost of the optical property measuring system is reduced.

The invention discloses a domestic sewage treatment process. The domestic sewage treatment process comprises the following steps that 1, domestic sewage is discharged into a grating well through a discharge pipeline embedded underground; 2, the domestic sewage in the grating well is pumped into a regulating reservoir through a first lift pump, and the quality and quantity of the domestic sewage are balanced in the regulating reservoir; 3, the degraded domestic sewage in the regulating reservoir is pumped into the inner cavity of a machine body through a second lift pump, then a fan operates and performs exhausting towards an aeration head, the aeration head performs aeration for 4-6 hours, then the fan is stopped, and the domestic sewage in the inner cavity of the machine body is subjected to standing and sedimentation for 2 hours; 4, high-phosphorus sewage execution time and low-phosphorus sewage execution time are determined according to the actual domestic sewage discharge situation; 5, at the high-phosphorus sewage execution time, a first electric water discharging valve is turned on, a second electric water discharging valve is turned off, a discharge pump is started to input supernate of the domestic sewage into a phosphorous removal filtration device, and finally the treated domestic sewage is discharged into a sampling well and finally flows into a pollutant-holding water body.

The invention discloses a method for improving the efficiency of anaerobic digestion of wastewater sludge. The method comprises the following steps: (1) raw sludge generated by wastewater treatment and circulating sludge of an anaerobic digester are mixed, are heated by a heat exchanger, and enter a sludge anaerobic digester; the sludge is digested in the sludge anaerobic digester and constantly stirred in the digestive treatment process; (2) in the process of digestive treatment in the sludge anaerobic digester, the sludge enters an electrolytic cell from the lower part of the sludge anaerobic digester through an electrolytic metering pump to carry out closed electrolytic treatment, and the sludge entering the electrolytic cell every time is not larger than 10 percent of volume of the sludge anaerobic digester; (3) the electrolyzed sludge used as the circulating sludge of the anaerobic digester repeats the processes of the step (1) and the step (2) with the raw sludge, and the circulation is repeatedly carried out. The method has the advantages that compared with the digested sludge not to be electrolyzed, the solid content of the electrolyzed digested sludge is reduced by more than 30 percent, more than 30 percent of sludge quantity is reduced, and the degradation rate of organic matters anaerobically digested by sludge is increased by more than 40 percent.

The invention discloses a waterproof paint film, which comprises the following components in parts by weight: 550 parts of pure acrylic emulsion, 50 parts of titanium pigment, 50 parts of aedelforsite, 50 parts of talc powder, 600 parts of coarse whiting and 50 parts of aid, wherein the aid is prepared by mixing a dispersing agent KB-810KB-811, a defoaming agent DR1430, alcohol ester 12 serving as a film foaming aid, a disinfectant 15HS, phenyl salicylate serving as an ultraviolet absorber, an anti-freezing agent SX-10 and a thickening agent SC-200 in the mass ratio of 1:1:1:1:1:1:1. The waterproof paint film has the advantages of high water resistance, high impermeability, softness, the effects of a high-grade waterproof coiled material, convenience for constructing, capability of curing a wet base layer into a film, high bonding power, resistance to pressure permeation, particular suitability for complex structures, remarkable reduction in the construction cost, applicability to various material surfaces, aging resistance, ultraviolet ray resistance, freezing resistance and high elongation percentage, and is a nontoxic, flavorless and environmentally-friendly product.

Disclosed is a photovoltaic pre-assembled transformer substation apparatus. The photovoltaic pre-assembled transformer substation apparatus comprises an inverter mounting region, a transformer mounting region and a high-voltage switch cabinet which are packaged together through a shell; inverters are mounted in the inverter mounting region, and a communication cabinet and a transformer are mountedin the transformer mounting region; a thermal insulation layer is arranged between the inverter mounting region and the transformer mounting region, and between the transformer mounting region and the high-voltage switch cabinet separately; the inverters, the transformer and the high-voltage switch cabinet are connected through a primary wire; a ventilating port is formed in the shell; a controlsystem and an alarm are arranged in the shell; the control system comprises a temperature control system, a humidity control system, a video monitoring system and a smoke monitoring system; and the control system transmits all kinds of collected data to a main control room through the communication cabinet. By virtue of the photovoltaic pre-assembled transformer substation apparatus, the inverters, the transformer and the high-voltage switch cabinet are integrated effectively, so that space dimension is reduced and the mounting mode is simplified.

The invention discloses a rock color coating. The coating is a composition of an agent A and an agent B, wherein the weight ratio of the agent A to the agent B is 1:1. A preparation method of the coating comprises the following steps: preparing the agent A and the agent B respectively and then uniformly mixing the agent A and the agent B according to the weight ratio of 1:1 to obtain the rock color coating. The rock color coating has the characteristics of energy conversation, environment-friendliness, ultra acid/alkali resistance, durability, water resistance, attractive appearance, safety, and reliability.

The invention discloses a flying saucer aircraft. The flying saucer aircraft comprises a disc-shaped housing, wherein a power supply is arranged in the disc-shaped housing and an upper inner annular ferromagnetic guide rail, an upper outer ferromagnetic guide rail, a lower inner ferromagnetic guide rail and a lower outer ferromagnetic guide rail are arranged on an outer surface of the disc-shaped housing. The flying saucer aircraft adopts a stable driving force production way, is easy for realization of automatic control, does not produce noise, does not discharge harmful gas, is beneficial for environmental protection, saves construction funds, and reduces operation, maintenance and energy consumption costs.

The invention discloses a zeolite-activated carbon compound filter material adopting cascade biofilter water treatment system and a treatment process. The system comprises a grille well, a domestic sewage regulation tank, a primary compound filter material adopting biofilter, a secondary compound filter material adopting biofilter and a clean water tank. The grille well is communicated with the domestic sewage regulation tank which is communicated with the primary compound filter material adopting biofilter, and the primary compound filter material adopting biofilter is communicated with the secondary compound filter material adopting biofilter, and an outlet of the secondary compound filter material adopting biofilter is connected with an inlet of the clean water tank. The primary compound filter material adopting biofilter and the secondary compound filter material adopting biofilter both adopt zeolite and activated carbon as filter media. By adoption of the zeolite-activated carbon compound filter materials for strong absorption of ammonia nitrogen and organics and adoption of biological membranes for degradation of the organics, regeneration of the zeolite-activated carbon compound filter materials is realized, and the organics are removed effectively through two processes of adsorption and degradation.

The invention discloses a shallow sedimentation tank system, relates to a water treatment sedimentation tank system, and in particular relates to a vertical sedimentation tank system. The shallow sedimentation tank system comprises a sedimentation tank, a vertical post arranged in the center of the sedimentation tank, an inlet branch, a drainage channel, a scraper, a sludge collecting trough and a sludge sucking pipe, wherein the lower part of the vertical post is provided with 1-8 flooding water distribution pipes, and the flooding water distribution pipes and the inlet branch form a flooding water distribution diversion system; the flooding water distribution pipes are parallel to the horizontal plane, and provided with a plurality of water distribution holes; and the sludge collection trough is arranged below the water distribution pipes, the scraper and the sludge collecting trough are communicated with the sludge sucking pipe, and the sludge collecting trough and the sludge sucking pipe form a sludge extraction system. The shallow sedimentation tank system disclosed in the invention has a stable layer bottom, so that wastewater can be kept at a relative static state, and facilitates sedimentation of suspended matters; the depth of the sedimentation tank can be reduced by about 1.5m, thus remarkably reducing the earth excavation volume of the sedimentation tank; and meanwhile, since the depth of the sedimentation tank is lowered, the material consumption reduction is facilitated, project installation is convenient, and fabrication cost and operation cost are reduced.

The invention discloses a method for producing a straw mushroom culture material with water lettuce as a raw material. The method comprises steps that: (1) water lettuce is collected; (2) the water lettuce is subject to a crushing and kneading treatment; (3) water lettuce chips are dehydrated by pressing; (4) the pressed and dehydrated water lettuce chips are subject to a drying and oxidizing treatment; and (5) the culture material is produced. The invention also provides a straw mushroom culture material formula and a cultivation method of straw mushrooms. Compared with existing technologies, according to the mechanical method for producing the straw mushroom culture material, the straw mushroom culture material formula, and the cultivation method of straw mushrooms, the water lettuce fished from rivers is utilized as a resource, and a straw mushroom culture material is produced for culturing straw mushrooms. Therefore, the cost of culture materials in straw mushroom industries can be greatly reduced, a reasonable utilization approach of water lettuce is provided, such that a large amount of cost of water lettuce landfill treatment can be saved for the government. Also, when the water lettuce is used for producing the culture material, the food sanitation safety index of the straw mushrooms is higher than that cultured by using waste cotton.