55results about How to "Reduce the total project investment" patented technology

The invention discloses a treating and recycling zero-emission technology for coking phenol-cyanogen wastewater. According to the treating and recycling zero-emission technology, a pre-sedimentation oil separating tank, an air floating system, an adjusting aeration tank, an anaerobic tank, an anoxic tank, an aerobic tank, a secondary sedimentation tank, a coagulating reaction tank, a quick filtering tank, an ultrafiltration raw water tank, an ultrafiltration system, a nanofiltration system, a reverse osmosis system, a concentrated water aerobic tank, a concentrated water anoxic tank, an SBR tank, a chemical oxidation tank, a bitter water film concentrating system, a softening rigidity removing system, a low-pressure sea-water film system, a high-pressure sea-water film system, an MVR evaporating system, a sludge thickening tank, a press filter and a Roots blower are adopted for technological treatment. The invention further discloses treating and recycling zero-emission equipment for coking phenol-cyanogen wastewater. The treating and recycling zero-emission technology and equipment are high in treatment efficiency and low in cost, and have the advantages that zero emission of sewage can be realized.

The invention relates to a treatment method of organic solid waste. The treatment method comprises the following steps of: homogenizing the organic solid waste and then preheating, carrying out a thermal hydrolysis reaction on the preheated organic solid waste, then pushing the material into a depressurization tank and a buffer tank to be subjected to primary depressurization and secondary depressurization and then temporary storage, then carrying out heat exchange on the material, carrying out anaerobic digestion on the material subjected to heat exchange, carrying out vacuum degassing treatment on digested sludge in a digested sludge tank, dehydrating the treated digested sludge to form dehydrated sludge, conveying the dehydrated sludge to a drying room to be dried, and producing dried biogas residue. According to the treatment method of the organic solid waste, high temperature hydrolysis and anaerobic digestion technologies are adopted, the problems that resource is wasted when a burning method is adopted and secondary pollution can be easily caused when a burying method is adopted can be avoided, digestive efficiency in follow-up anaerobic digestion is improved, standing time of an anaerobic digestion process is also reduced, and sludge subjected to anaerobic digestion is subjected to vacuum degassing, so that carbon dioxide and ammonium nitrogen in the digested sludge can be effectively removed, and sludge dehydration efficiency is improved.

The invention discloses a process and an apparatus thereof for low-temperature cracking and high-temperature gasification of biomass. By adopting superheated vapor steam as oxidizing agent and an energy carrier, the process comprises the following steps of: firstly, carrying out the low-temperature cracking on the biomass fuel in the temperature region of 500-800 DEG C and obtaining the crude synthetic gas and the coke without containing alkali metal oxides; secondly, carrying out the high-temperature gasification on the crude synthetic gas and the coke in the temperature region of 1200-1600 DEG C to obtain the initial synthetic gas without containing tar component; finally, cooling, dust-removing, deacidifying and drying the generated initial synthetic gas, i.e., acquiring the pure synthetic gas of high quality. The apparatus mainly consists of a cracking furnace, a gasifying furnace, a low-temperature plasma torch heater, a high-temperature plasma torch heater, a water storage tank,a water delivery pump and a heat exchanger and the like. The process of the invention has the advantages of easy control, low energy consumption and investment cost and high efficiency of cooled coalgas; the generated synthetic gas has high calorific value and does not contain tar and alkali metal compounds. The invention is suitable for not only biomass gasification combined cyclic power generation, but also preparation of biomass liquid fuel.

The invention relates to a solid-liquid separating device and a solid-liquid separating process with a filtering and air separating machine. The solid-liquid separating device consists of a sedimentation tank 1, a central hollow shaft 2, a filtering device 3, a swirl flow pressboard 4, a self-cleaning device 5, a stop plate 6, a slag guide device 7, an air separating device 8, a slag outlet 9, a limiting flat cone plate 10, a flow guide centrifugal device 11, a vacuum tube 12, a hollow shaft 13, a helical extrusion device 14 and a tailing inlet 15. The solid-liquid separating process with a filtering and air separating machine can greatly improve solid-liquid separation quality, discharge water molecules under the action of a high-pressure air flow, allow ultrafine particles to enter space between large particles, achieve close combined by extrusion, make the dewatering more complete and more cleanly, and greatly reduce the infection density of a tailing dam and project invention.

The invention provides a lightning protection and resonance elimination reactive power compensation capacity transformer which comprises an iron core. The lightning protection and resonance elimination reactive power compensation capacity transformer is characterized in that a work winding at each voltage side on each phase of iron core column of the transformer is insulated and wound by adopting a single-layer metal foil or single-turn conductor; each winding on each phase of iron core column of a first independent additional winding, a second independent additional winding, a third independent additional winding, a fourth independent additional winding, a fifth independent additional winding or a sixth independent additional winding is insulated by using two layer or three layer of metal coils to be lapped together to form two or three concentric coils, namely a foil type double-lapped winding or foil type triple-lapped winding; and the input number or coil number of the additional windings are automatically switched by adopting manual switching or a factor automatic compensation device according to the change condition of load power factors. The lightning protection and resonance elimination reactive power compensation capacity transformer has the advantages of safety, reliability and excellent energy-saving effect and is used for ultrahigh and superhigh voltage products; and the harmonic pollution and power energy loss in power transmission and transformation facilities are reduced.

The invention discloses a forage processing peculiar smell treatment method and an equipment. The forage processing peculiar smell treatment method comprises following steps: S1, spray washing, wherein in a pre-washing tank, water spraying washing is adopted to remove water soluble smell substances in waste gas generated in forage processing process, and adjust the physicochemical properties of the air; S2, biofiltration, wherein air is introduced into a biofiltration tank from the bottom of the biofiltration tank, is driven to move upward uniformly along a first air distribution plate arranged at the middle part of the biofiltration tank, and is contacted with a biological filling material with a certain humidity on the first air distribution plate fully, so that the smell substances are absorbed by the biological filling material firstly, and then are degraded by microorganisms in the biological filling material via oxidation, smell is eliminated, and deodorizing of waste gas is realized; and S3, UV photolysis, wherein a UV photolysis device is used for further deodorizing of air discharged from the biofiltration tank, and then the air is discharged to the outside using a rear-induced draught fan.

The invention relates to a preparation method of a direct-stirring type SBS (styrene-butadiene-styrene) asphalt modifier and a preparation method of an asphalt mixture. The preparation method comprises the following steps of respectively metering 4303 star-shaped SBS, 1301 linear SBS and lubricating oil, feeding into a mixer according to a ratio, uniformly mixing, and uniformly stirring; feeding petroleum resin and calcium carbonate into the mixer, and uniformly stirring; feeding the mixture into a double-screw extruder, enabling the mixture to form a melting mixture at high temperature, and enabling the double-screw extruder to extrude the melting mixture after the forced shearing, extrusion, dispersing and kneading are continuously maintained; cooling the melting mixture extruded by thedouble-screw extruder by a water tank, enabling a pelletizer to cut into granules, enabling an air dryer to dry, and packaging. The preparation method has the advantages that the production technologyof the modified asphalt is simplified, the production quality of the mixture is favorably controlled, the construction quality of a road pavement is ensured, the use property of the road is improved,the service life of the road is prolonged, the pollution to the environment is decreased, and the engineering investment is reduced.

The invention discloses a composite seepage preventing structure for a large karst cave in a karst region and a construction method thereof, and belongs to the technical field of water conservancy and hydropower engineering. The composite seepage preventing structure comprises bed rock and the karst cave. The karst cave is located in the bed rock. The lower section of the karst cave is filled to form a karst filling area. A plurality of filling-material rotary jetting holes or steel pipe piles are vertically distributed in the karst cave filling area and arranged along the seepage preventing axis at intervals in a rowed mode. A transition cushion layer is arranged on the upper surface of the karst cave filling area. A concrete seepage preventing wall is arranged on the steel pipe piles. A cavity in the upstream side of the concrete seepage preventing wall is backfilled to form a backfilling area. According to the technical scheme, due to the reasonable construction method, the concrete seepage preventing wall is built in the karst cave, and the quite good partition effect and the quite good sealing effect are achieved through a karst cave roof joining groove structure in the top and a grouting-cave-aligning-grouting method; the structure and the method are simple, the quantity of input materials is small, construction intensity is small, construction efficiency is greatly improved, and the seepage preventing aim of large karst cave in the karst region is achieved.

The invention discloses a high-efficiency treatment method for an urban and town landfill leachate. The method comprises the following steps: step 1, the landfill leachate is pretreated: the landfillleachate enters a mixer, a coagulation reaction tank, a sedimentation tank and a clear-liquid tank in sequence; calcium hydroxide is added into the mixer for softening the landfill leachate and adjusting the pH value to make the pH value suitable for the requirement of a coagulant; the coagulant is added into the coagulation reaction tank, coagulation is performed, the formed system enters the sedimentation tank, sedimentation is performed, and a supernatant obtained by overflow enters the clear-liquid tank; and cyclone concentration is performed on a solid-liquid mixture located at the bottomof the sedimentation tank, the concentrated mixture is discharged to a sludge concentration tank, a solid in the sludge concentration tank is transported regularly to a landfill site, and landfill isperformed; step 2, the supernatant after precipitation enters an MVR evaporation device through the clear-liquid tank, and evaporation is performed; and step 3, distilled water output by the MVR evaporation device enters an activated carbon tower device, adsorption treatment is performed, and water is discharged after the water quality reaches the standard. The method provided by the invention has the advantages of a simple process, a high degree of automation, good treatment effects and low operating costs, and is convenient for management and maintenance.

The invention relates to the refining field of the steel through vacuum treatment and particularly relates to an electrode rotation double-station electric arc heating vacuum treatment device and a using method thereof. The electrode rotation double-station electric arc heating vacuum treatment device comprises two treatment stations. Each treatment station comprises a vacuum tanker (1) and a vacuum tank (2). The device is characterized in that each treatment station further comprises a lifting device (3), a vacuum tank cover (4), a jacking device (5) and the like. The using method of the electrode rotation double-station electric arc heating vacuum treatment device comprises the following steps of: heating the electrode; blowing argon at bottom and stirring; and degassing in vacuum. The device provided by the invention has the advantages of low equipment investment, short refining period, high refining quality and flexible combination.

The invention discloses a medium-voltage side distribution device for an ultrahigh voltage intelligent substation by employing HGIS equipment. The medium-voltage side distribution device mainly comprises HGIS equipment compact type double-row back-to-back arrangement; the distribution device is formed by a combined framework and a large-span bus beam framework; road optimization arrangement is formed in the field of the distribution device; and a wire outlet bent frame, a wire inlet bent frame and a bus beam are designed into an integrated combined framework by employing the dual-bus or dual-bus sectioned wiring type HGIS distribution device. The distribution device has the characteristics of reducing the floor area of a substation, particularly an intelligent substation, saving the steel amount and reducing the total engineering investment, is suitable for engineering design and construction of the ultrahigh voltage intelligent substation, and is particularly suitable for the medium-voltage side by employing the design of the dual-bus or dual-bus sectioned wiring type ultrahigh voltage intelligent substation.

The invention provides a reinforcing structure for a single-tube communication tower. The reinforcing structure comprises a plurality of diagonal bracing, wherein each diagonal bracing is connected with a tower body through a first hoop arranged at the upper section of the diagonal bracing, the lower end of each diagonal bracing is connected with a base structure, and a cross bracing is transversely arranged between the adjacent diagonal bracings. The invention aims to solve the technical problem that tower body bearing capacity and foundation overturning resistance of the single-tube communication tower before reinforcement do not meet the standard requirement.

The invention discloses a treatment technology of phosphorus fire retardant wastewater, which comprises the following steps of: (1) regulating a pH (potential of hydrogen) of the phosphorus fire retardant wastewater to 2-9, adding soluble ferric iron salt for stirring and filtration to form filtrate I, (2) neutralizing and flocculating the filtrate I to separate and remove a sediment to form filtrate II, and (3) performing evaporation, concentration, crystallization and desalination on the filtrate II, directly discharging or recycling an evaporative condensate, and allowing concentrated liquid to directly return to step (1) for re-treatment. The treatment technology is applicable to continuous treatment of the phosphorus fire retardant wastewater, adopts dosing pretreatment-neutralizationand flocculation-evaporative condensation as a main line, is simple to operate and low in cost and can achieve zero discharge of the phosphorus fire retardant wastewater.

The invention provides a comprehensive utilization method of wastewater of a ternary-monomer production process. The comprehensive utilization method comprises concentration, preparation of pure water, separation for obtaining of sodium sulfate, distillation and preparation of ternary monomers. According to the pure water prepared with the method, the content of sulfate radical SO4<2-> is smaller than or equal to 0.2 mg / kg, the content of Cl<-> ions is smaller than or equal to 0.3 mg / kg, and the content of Fe<3+> ions is smaller than or equal to 0.2 mg / kg; the electric conductivity is smaller than or equal to 2 us / cm; sodium sulfate with the content higher than 95% is obtained; the ternary monomers are prepared, the main quality indexes of a product are shown as follows: the acid value is smaller than or equal to 0.52 mgKOH / g, the saponification value is smaller than or equal to 379.21 mgKOH / g, the content of sulfate radical is smaller than or equal to 58 mg / kg, the content of Fe<3+> is smaller than or equal to 2.06 mg / kg, the content of Cl<-> is smaller than or equal to 4.26 mg / kg, the chroma (platinum-cobalt colormetry) is smaller than or equal to 15 (color number), the water content is smaller than or equal to 0.25%, and the light absorbency is smaller than or equal to 0.04.

The invention discloses a process device and a process method for removing heavy hydrocarbon in natural gas by adopting LPG (Liquefied Petroleum Gas) in a natural gas liquefying process. The process device comprises a heavy hydrocarbon washing tower, a deethanization tower and a debutanization tower, wherein the heavy hydrocarbon washing tower is connected with a throttle valve, a cooler, the deethanization tower and the debutanization tower in sequence; the top outlet of the debutanization tower is connected with a debutanization tower condenser, a debutanization tower reflux tank, a debutanization tower reflux pump and a debutanization tower upper inlet in sequence; and the debutanization tower reflux tank is connected with an upper inlet of the heavy hydrocarbon washing tower by an LPG booster pump. The process device and the process method for removing heavy hydrocarbon in natural gas by adopting LPG have the positive effects that the LPG products produced in the device are utilized to wash, and the LPG product source is stable and reliable; the heavy hydrocarbon removing effect is good, so that the heavy hydrocarbon components in the natural gas are removed as much as possible for facilitating a liquefying process and effectively preventing the heavy hydrocarbon from being frozen and blocked; and the heavy hydrocarbon removing process by adopting the LPG is simple, so that the deep pre-treatment needs of the natural gas liquefaction can be achieved by absorbing and transferring mass, and therefore, the natural gas liquefaction needs are satisfied.

The invention relates to a tower type solar energy-wind energy seawater vaporization water production apparatus, which is a tower type compact structure, wherein the tower type compact structure is formed by assembling a pretreatment tank, a concentrated salt water tank, a low temperature heating chamber, a vaporization chamber, a condensation chamber, a coagulation chamber, and a cold water tank from bottom to top in a layer-by-layer manner, and is assembled with a U-shaped gas-liquid heat exchanger, a sprayer, a pump, a fan and other ancillary products. According to the present invention, solar energy and wind energy are adopted as energy source power; low temperature heating, seawater atomization, vortex and a vacuum technology are comprehensively adopted; characteristics of efficient energy recovery, recycling, high seawater vaporization efficiency, high water production rate and high fresh water purity are provided; the apparatus is suitable for fresh water and electricity supply in water-free, electricity-free and uninhabited islands by the sea; the product can achieve large scale and miniaturization so as to form type spectrum serialization; and the apparatus can be generally used in drought inland areas along seas, rivers and lakes, and can be installed on ships for fresh water taking at any time, such that fresh water tanks can be saved, equipment investment is low, conventional energy sources are not consumed, water production cost is low, the obtained fresh water provides comparability with tap water, ecology environment benefits are good, and the water resource crisis problem is easily solved.

The invention discloses a safe processing system and a safe processing method for a release medium of an intermittent pump station of a liquid state ethane pipeline. The liquid state ethane is conveyed by a liquid state ethane pipeline. An in-station cut-off valve, an out-of-station cut-off valve and a pressurizing pump are arranged on the liquid state ethane pipeline. The safe processing system comprises a non-planed release processing system, a planed emptying system, a recovery system and a control system. Based on the operating characteristics of a liquid state ethane long conveying pipeline pump station, two independent release medium processing modes are established by adopting a policy of directly burning a non-planed release medium and recovering a planed emptied medium efficientlyaccording to characteristics that recovered ethane is relatively good in economic value and is relatively low in released temperature by combining a safety protecting idea of the intermittent pump station of a conventional oil product pipeline, so that a condition of constructing a high pressure tank to receive the non-planed release medium is avoided, and a trunk line stored medium is recoveredefficiently.

The invention relates to a cable-stayed bridge with a highway and a railway arranged asymmetrically on same layer. The asymmetrically-arranged cable-stayed bridge comprises one or more bridge towers arranged in the longitudinal bridge direction, a main beam, transverse stabilizing cables and a plurality of stay cables used for connecting the bridge towers and the main beam. The main beam comprises a first steel box beam used for arranging a railway and a second steel box beam used for arranging a road, the dead load on the first steel box beam is larger than that on the second steel box beam, the first steel box beam and the second steel box beam are located on the two opposite sides of the bridge tower respectively, and the length of the first steel box beam in the transverse bridge direction is smaller than that of the second steel box beam in the transverse bridge direction. The distance between the first steel box girder and the bridge tower is a first preset distance, the distance between the second steel box girder and the bridge tower is a second preset distance, and the dead load action line of the main girder coincides with the axis of the bridge tower in the transverse bridge direction by adjusting the first preset distance and the second preset distance; therefore, the unbalance loading effect caused by transverse dead load asymmetric arrangement is eliminated, the structure is simple, stress is definite, and economical efficiency is good.

The invention discloses a cyclone slug capturer which comprises a shell. A gas inlet is formed in the central tangential direction of the shell, a cyclone cylinder is mounted at the gas inlet in the shell, a TP plate component with a radial channel is mounted in an upper gas space in the shell, and the capturer is of a vertical structure. By the aid of the cyclone slug capturer, gas-liquid separation efficiency can be improved, the influence of oil-gas mixed transportation pipeline slug flow on production is effectively eliminated, stable production processes of follow-up technologies are facilitated, and construction cost is reduced.

The invention provides differential compensation type variable-frequency water supply equipment. The differential compensation type variable-frequency water supply equipment comprises a stable pressure balancer, a water supply tube bank, a gas-collection energy storage tank, detection equipment and a control device, wherein a water inlet of the stable pressure balancer is communicated with a municipal water supply network; a water outlet of the stable pressure balancer is communicated with the water supply tube bank, and the water supply tube bank is used for supplying water to users through user pipe networks in a two-way compensating manner; the gas-collection energy storage tank is connected with the stable pressure balancer; the detection equipment is used for detecting operation parameters of the differential compensation type variable-frequency water supply equipment; the stable pressure balancer, the water supply tube bank, the gas-collection energy storage tank and the detection equipment are all in signal connection with the control device. By adopting the differential compensation type variable-frequency water supply equipment, required pressure is superposed on the basisof pressure of the municipal water supply network, residual pressure of the pipe network is thoroughly utilized, negative pressure cannot be generated, the waste of energy cannot be caused, and the national requirements on energy saving are met; the equipment has the advantages of being sanitary and pollution-free and being small in floor area, low in operating cost and capable of maintaining water supply during power outage.

The invention provides a comprehensive utilization method for sodium dimethyl isophthalate-5-sulfonate production process wastewater. The method comprises the following steps: concentrating wastewater, preparing pure water, separating so as to obtain sodium sulfate, and performing distillation, thereby obtaining the sodium dimethyl isophthalate-5-sulfonate. By adopting the method, the content of sulfate radicals (SO4<2->) in the prepared pure water is less than or equal to 0.2mg / kg; the content of chlorine (Cl<->) ions is less than or equal to 0.3mg / kg; the content of ferric (Fe<3+>) ions is less than or equal to 0.2mg / kg; the conductivity of the pure water is less than or equal to 2mu s / cm; sodium sulfate of which the content is 95% or greater is prepared; the prepared trifunctional monomer has the main quality indexes that the acid value is less than or equal to 0.52mgKOH / g, the saponification value is less than or equal to 379.21mgKOH / g; the content of sulfate radicals is less thanor equal to 58mg / kg; the content of Fe<3+> is less than or equal to 2.06mg / kg; the content of Cl- is less than or equal to 4.26mg / kg; the chromaticity (platinum-cobalt colorimetric) is less than or equal to #15; the moisture is less than or equal to 0.25%; the absorbancy is less than or equal to 0.04.

The invention discloses a treating and recycling zero-emission technology for coking phenol-cyanogen wastewater. According to the treating and recycling zero-emission technology, a pre-sedimentation oil separating tank, an air floating system, an adjusting aeration tank, an anaerobic tank, an anoxic tank, an aerobic tank, a secondary sedimentation tank, a coagulating reaction tank, a quick filtering tank, an ultrafiltration raw water tank, an ultrafiltration system, a nanofiltration system, a reverse osmosis system, a concentrated water aerobic tank, a concentrated water anoxic tank, an SBR tank, a chemical oxidation tank, a bitter water film concentrating system, a softening rigidity removing system, a low-pressure sea-water film system, a high-pressure sea-water film system, an MVR evaporating system, a sludge thickening tank, a press filter and a Roots blower are adopted for technological treatment. The invention further discloses treating and recycling zero-emission equipment for coking phenol-cyanogen wastewater. The treating and recycling zero-emission technology and equipment are high in treatment efficiency and low in cost, and have the advantages that zero emission of sewage can be realized.

The invention relates to a remnant electric charge releasing device of a converter station valve hall. According to the remnant electric charge releasing device, a bus where a valve hall high-voltage polarline point is located and a bus where a valve hall low-voltage polarline point is located are respectively provided with a ground cutter in the single converter station valve hall. The remnant electric charge releasing device is characterized in that a ground cutter is arranged on a connecting bus between an A-phase converter transformer valve side terminal and a C-phase converter transformer valve side terminal of a Y-delta converter transformer set, and a ground cutter is arranged on a bus where a neutral point terminal of a Y-Y converter transformer set is located. According to the remnant electric charge releasing device, eight ground cutters in a valve hall in the prior art are reduced to four ground cutters, and the total engineering investment is saved. A side wall type is adopted in the ground cutters arranged in the Y-Y converter transformer set and the Y-delta converter transformer set, accidents of operating personnel when maintaining and detecting are carried out in the valve hall are avoided and the valve hall electric arrangement is optimized while the needed electric distance and structural requirements are met. The remnant electric charge releasing device can be widely applied to the field of high-voltage and direct-current transmission.

The invention relates to a tower type solar energy-wind energy seawater vaporization water production apparatus, which is a tower type compact structure, wherein the tower type compact structure is formed by assembling a pretreatment tank, a concentrated salt water tank, a low temperature heating chamber, a vaporization chamber, a condensation chamber, a coagulation chamber, and a cold water tank from bottom to top in a layer-by-layer manner, and is assembled with a U-shaped gas-liquid heat exchanger, a sprayer, a pump, a fan and other ancillary products. According to the present invention, solar energy and wind energy are adopted as energy source power; low temperature heating, seawater atomization, vortex and a vacuum technology are comprehensively adopted; characteristics of efficient energy recovery, recycling, high seawater vaporization efficiency, high water production rate and high fresh water purity are provided; the apparatus is suitable for fresh water and electricity supply in water-free, electricity-free and uninhabited islands by the sea; the product can achieve large scale and miniaturization so as to form type spectrum serialization; and the apparatus can be generally used in drought inland areas along seas, rivers and lakes, and can be installed on ships for fresh water taking at any time, such that fresh water tanks can be saved, equipment investment is low, conventional energy sources are not consumed, water production cost is low, the obtained fresh water provides comparability with tap water, ecology environment benefits are good, and the water resource crisis problem is easily solved.

The invention relates to the technical field of SAGD circulating preheating stage produced fluid treatment, in particular to a two-section separation based SAGD produced fluid treatment method and device. The method is characterized in that high-pressure under-pressure separation and low-pressure flash-evaporation separation are performed on the SAGD produced fluid, and follow-up treatment is thenperformed. A secondary gas-liquid separating process of under-pressure separation and flash-evaporation separation is adopted, wherein the first stage is under-pressure gas-liquid separation with relatively high control pressure, and is mainly used for separating a gas phase carried in the produced fluid, and stabilizing the front end pressure of a collecting and transport system; and the secondstage is used for performing flash-evaporation separation on a first liquid phase, wherein the control pressure is relatively low, the produced fluid is sufficiently subjected to flash-evaporation, the liquid phase is partially gasified and cooled in a flash-evaporation process, and heat exchange difficulty of the liquid phase is greatly reduced; and meanwhile, the gasified gas phase can adopt a more mature gas-liquid heat exchange system, and heat exchange efficiency is higher, so that the SAGD produced fluid is lower in treatment cost.

The invention discloses a liquid ethane pipeline valve chamber discharging system and a method thereof. The system comprises a valve chamber main line system, a valve chamber bypass system, a bypass extension branch pipe system, a movable emptying system and a main line pipeline temperature detection system. Compared with the prior art, the system has the advantages that according to the characteristic that low temperature is easily generated in the pipeline body and the emptying system in the discharging process after the liquid ethane pipeline stops conveying; according to operation safety and material selection economy, the planned emptying process of the ethane pipeline valve chamber is optimized by arranging the main line temperature detection system, the bypass extension branch pipesystem, the movable emptying system and other measures, and the effect of safe and economical operation is achieved.

The invention discloses an optimal laying system for a substation multiplexing 2M protection channel cable. The system comprises a relay room, a communication machine room, a multiplexing protection interface cabinet, a protection optical cable, a relay room protection optical fiber distribution frame, a communication machine room protection optical fiber distribution frame, a tail fiber, a 2M large cable, optical transmission equipment and a line protection device, wherein the relay room comprises the line protection device, the tail fiber and the relay room protection optical fiber distribution frame; the line protection device in the relay room is connected into the relay room protection optical fiber distribution frame through the tail fiber; the relay room protection optical fiber distribution frame is connected into the communication machine room protection optical fiber distribution frame through the protection optical cable. According to the system, the integral reliability of the multiplexing 2M protection channel cable is improved, the interface of the protection specialty and the communication specialty is cleared, the operation and maintenance workload is simplified, the laying workload of the cable is reduced, and the characteristics of science, rationality, reliability and the like are realized.

The invention provides a lightning protection and resonance elimination reactive power compensation capacity transformer which comprises an iron core. The lightning protection and resonance elimination reactive power compensation capacity transformer is characterized in that a work winding at each voltage side on each phase of iron core column of the transformer is insulated and wound by adopting a single-layer metal foil or single-turn conductor; each winding on each phase of iron core column of a first independent additional winding, a second independent additional winding, a third independent additional winding, a fourth independent additional winding, a fifth independent additional winding or a sixth independent additional winding is insulated by using two layer or three layer of metal coils to be lapped together to form two or three concentric coils, namely a foil type double-lapped winding or foil type triple-lapped winding; and the input number or coil number of the additional windings are automatically switched by adopting manual switching or a factor automatic compensation device according to the change condition of load power factors. The lightning protection and resonance elimination reactive power compensation capacity transformer has the advantages of safety, reliability and excellent energy-saving effect and is used for ultrahigh and superhigh voltage products; and the harmonic pollution and power energy loss in power transmission and transformation facilities are reduced.

The invention discloses an equipment system for adding drawing accelerator to karst fissures in a subsidence area. The system comprises an accelerator chamber (1), a small liquid flowmeter (2), a control valve (3), a reducing tee (4), a rubber hose (5), an aerator (6), and an aerating pipe segment (7). The accelerator chamber (1) is supported by a steel frame (8). The rubber hose (5) is connected to the bottom of one end of the accelerator chamber (1). The small liquid flowmeter (2) is mounted on the rubber hose (5). The outlet end of the rubber hose (5) is connected with the reducing end of the reducing tee (4) through the control valve (3). The reducing tee (4) and the aerating pipe segment (7) are sequentially mounted on a drawing branch pipe. The aerator (6) is mounted at the bottom of the aerating pipe segment (7). The equipment system has the advantages such advantages that installation is convenient, operation is simple, the system is applicable to adding drawing accelerator to the karst fissures in the subsidence area, manufacturing cost is low, durability is high and application range is wide; the equipment system can meet the need for tailings accelerated setting in various types of drawing positions.