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54results about How to "Reduce the total project investment" patented technology

Treating and recycling zero-emission technology and equipment for coking phenol-cyanogen wastewater

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.
Owner:ZHEJIANG BEROOT ENVIRONMENTAL PROTECTION TECH CO LTD

Treatment method of organic solid waste

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.
Owner:HUBEI GUOXIN TIANHUI ENERGY

Process and apparatus thereof for low-temperature cracking and high-temperature gasification of biomass

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.
Owner:SUNSHINE KAIDI NEW ENERGY GROUP CO LTD

Lightning protection and resonance elimination reactive power compensation capacity transformer

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.
Owner:尤大千

Preparation method of direct-stirring type SBS (styrene-butadiene-styrene) asphalt modifier and preparation method of asphalt mixture

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.
Owner:SHANDONG JIAOTONG UNIV

Composite seepage preventing structure for large karst cave in karst region and construction method thereof

ActiveCN105201001ASolve the anti-seepage problemGood partitionBulkheads/pilesFilling materialsKarst
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.
Owner:CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD

High-efficiency treatment method for urban and town landfill leachate

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.
Owner:吉林新金尔科技有限公司

Comprehensive utilization method of wastewater of ternary monomer production process

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.
Owner:WEIFANG WORLD CHEM

Process device and method for removing heavy hydrocarbon in natural gas by adopting LPG (Liquefied Petroleum Gas)

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.
Owner:CHINA GASOLINEEUM ENG

Tower type solar energy-wind energy seawater vaporization water production apparatus

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.
Owner:赵贵

Cable-stayed bridge with highway and railway arranged asymmetrically on same layer

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.
Owner:CHINA MAJOR BRIDGE ENERGINEERING

Differential compensation type variable-frequency water supply equipment

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.
Owner:山东天泽水务工程有限公司

Remnant electric charge releasing device of converter station valve hall

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.
Owner:STATE GRID CORP OF CHINA +1

Tower type solar energy-wind energy seawater vaporization water production apparatus

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.
Owner:赵贵

Two-section separation based SAGD produced fluid treatment method and device

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.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

A Residual Charge Discharge Device for Valve Hall of Converter Station

The invention relates to a residual charge discharge device for a valve hall of a converter station, which is included in a valve hall of a single converter station, and a busbar where the high-voltage pole point of the valve hall is located and a busbar where the low-voltage pole line point of the valve hall are respectively arranged. The ground knife is characterized in that: a ground knife is arranged on the connection bus between the valve-side terminal of the A-phase converter transformer and the valve-side terminal of the C-phase converter transformer of the Y-Δ converter transformer group, and the Y-Y commutation A ground knife is arranged on the bus where the neutral point terminal of the transformer group is located. The invention simplifies the eight ground knives in the valve hall of the prior art into four, saving the total project investment. The ground blades of Y-Y converter transformer group and Y-Δ converter transformer group respectively adopt the side wall type, which meets the required electrical distance and structural requirements, and avoids accidents caused by operating personnel during maintenance and overhaul in the valve hall. In case of safety accidents, the electrical layout of the valve hall has been optimized. The invention can be widely used in the field of high voltage direct current transmission.
Owner:STATE GRID CORP OF CHINA +1

Optimal laying system for substation multiplexing 2M protection channel cable

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.
Owner:ZHEJIANG ELECTRIC POWER DESIGN INST

Lightning protection and harmonic elimination reactive power compensation capacitive transformer

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.
Owner:尤大千

Light salt brine concentration system and process

The invention provides a light salt brine concentration system and process, relates to the field of environmental protection, and aims to solve the problem of high energy consumption of an existing evaporative crystallization process. According to the method, the byproduct light salt brine in the electrolysis process of the caustic soda workshop can be completely recycled after dechlorination, onepart of the light salt brine is used as salt monohydrate, and the other part of the light salt brine needs to enter the salt monohydrate after being evaporated and concentrated through the MVR technology. The dechlorinated light salt brine enters a feeding tank and passes through a two-stage condensed water preheater and a steam preheater to preheat materials, the preheated materials are conveyedto a falling film heater through a feeding pump to be heated, evaporated and concentrated, secondary steam enters a falling film separator, and concentrated liquid enters a second-stage separator tobe continuously evaporated; materials from the first-stage concentration system enter a second-stage separator to be heated, evaporated and concentrated, secondary steam enters the separator, and concentrated brine obtained after evaporation and concentration is sent to a caustic soda workshop. The light salt brine concentration system and process disclosed by the invention are low in energy consumption and low in operation cost.
Owner:ЦИНХАЙ СОЛТ ЛЕЙК ИНДАСТРИ ГРУП КО ЛТД
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