39results about How to "Flexible operation adjustment" 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 discloses a heat exchange system in combined operation of solar energy and geothermal energy. The heat exchange system comprises a solar heat collector, a buried pipe heat exchanger, a heat pump unit, an absorbing type refrigerating unit, a user end, a plurality of hot water tanks, a plurality of water pumps, a plurality of connection pipes and a plurality of valves, wherein the solar heat collector is communicated with a first hot water tank, the first hot water tank is connected with a second water tank and an auxiliary heater via a second water pump so as to form a loop, the buried pipe heat exchanger is communicated with the heat pump unit, the heat pump unit is connected with the buried pipe heat exchanger and the first hot water tank via a third water pump so as to form a loop, the user end is connected with the heat pump unit and the absorbing type refrigerating unit via a fourth water pump so as to form a loop. The heat exchange system in combined operation of the solar energy and the geothermal energy has the advantages that unbalance problem of soil heat is effectively solved, cooling in summer, heating in winter and supplying of domestic hot water for all year around for buildings are achieved on the basis that the solar energy and the geothermal energy are utilized efficiently, and the heat exchange system is flexible to operate and adjust and diversified in functions.

The invention discloses a method for reducing re-contact process energy consumption of a catalytic reforming device. The method comprises the following steps of: cooling hydrogen-mixing generated oil through circulating water heat exchange, re-contacting tank top hydrogen-containing gas heat exchange, re-contacting tank bottom oil heat exchange, chilled water heat exchange and ammonia-cooling heat exchange in turn, and then delivering the cooled hydrogen-mixing generated oil to a re-contact tank to perform gas-liquid balancing separation, wherein the chilled water of 5 to 10 DEG C is producedby delivering the hot water of 90 to 95 DEG C generated by low-temperature waste heat of a refinery to a refrigerating unit. The method can reduce the load of the ammonia-cooling hydrogen-mixing generated oil or cancel the ammonia-cooling hydrogen-mixing generated oil, and shut down an ammonia refrigerating system. The method can obviously reduce the energy consumption of a re-contact system of the catalytic reforming device, and meanwhile the concentration of the hydrogen concentrated by the re-contact system can meet the production requirement. Moreover, the increment of a low-temperature heat refrigerating system can find an ideal way for the utilization of low-temperature heat. In the whole process, the flow reformation is simple and feasible, and the economic benefit is obvious.

The invention discloses a clean and efficient gradient screening internal thermal fluidized bed coal moisture control process.An internal thermal fluidized bed dryer serves as a main device; in the coal moisture control procedure, a coal particle diameter gradient screening procedure, a selective smashing procedure and a coal fly ash recovering and pelleting procedure are included; step-by-step screening of coal particle diameters is realized in the mode of mechanical screening through a low-temperature variable speed fluidized bed, orderly control over coal particle smashing and drying and coal dust is ensured, repeated processing of coal materials is reduced, and energy is reasonably input in the technological process.Air with strong moisture carrying capacity and high-temperature hot water with high thermal capacity are selected as a fluidizing medium and a heat transfer medium respectively according to the physical properties of the air and the high-temperature hot water.Compared with a traditional fluidized bed coal moisture control process, the functions of a heat carrier, a moisture carrier and the fluidizing medium in the coal moisture control process are separated, flexible control and precise processing can be achieved in terms of control and regulation, and the process is particularly suitable for moisture control over dryness of high-humidity coal materials.

The invention relates to a vertical coaxial biomass crushing and molding integrated device, which includes a biomass feeding hopper, a crushing unit, a molding rotor system, a molding ring mold, a molding particle cooler, a powder collecting plate, a molding particle collector, a powder Collector and unit base. The interaction of crushing equipment and rotors and ring molds is used for biomass processing and molding, effectively combining crushing and molding units to reduce the requirements for biomass raw materials, greatly improving the bulk density and energy density of biomass, and improving the system. Efficiency, stability and reliability, reducing floor space and reducing investment costs; using the heat generated by the mechanical friction of the crushing and forming device and the moisture in the biomass to promote the formation of biomass and improve the mechanical strength of the formed particles and durability; suitable for a wide range of raw materials, shaped particles can be directly used for combustion gasification, or mixed with coal combustion gasification, can be stored for a long time, suitable for industrial and civil fields.

The invention provides a configuration and adjusting method of a steam compressor in an application system of upgrading and heat supplying of exhausted steam of a thermal power generating unit steam turbine. The system comprises a steam compressor driving small steam turbine, two levels of steam compressors, two levels of thermal-system heaters, a lubricating oil system, a gland seal system, valves and pipe fittings, wherein the valves and the pipe fittings are used for connecting the steam compressor driving small steam turbine, the two levels of steam compressors, the two levels of thermal-system heaters, the lubricating oil system and the gland seal system. By adoption of the system, low-pressure and low-temperature exhausted steam of the steam turbine is compressed through the steam compressor by using little driving steam, the pressure and the temperature of the steam are increased so that the steam can serve as a heat source to heat heat-supply network circulating water for heat supply, and therefore, the purpose that the exhausted steam of the steam turbine is used is achieved. According to the changing characteristics of the heat supply quantity and the water supply parameters, and the steam compressor efficiency operating characteristics, the adjusting method is used for adjusting the rotary speed of the small steam turbine and the opening of an inlet baffle of the steam compressor to achieve adjustment of the compressed steam flow quantity and the outlet pressure. By adoption of the technology, adaptability to the heat supply condition is wide, and heat utilizing efficiency is high. Heat supply efficiency is not influenced by the generating unit electrical load and heat load.

The invention relates to a flue gas waste heat recovery unit which comprises a flue gas unit, a generator unit, a condenser unit, an absorber unit, a water return pipe and a water supply pipe. The flue gas unit is sequentially connected with the generator unit, the condenser unit and the absorber unit to form a flue gas heat exchanging path; the outlet of the generator unit is connected with the inlet of a solution-to-solution heat exchanger, the outlet of the absorber unit is divided into two paths: one path is merged with the outlet of the solution-to-solution heat exchanger to be connected with the inlet of a solution-to-water heat exchanger through a solution spray pump, the outlet of the solution-to-water heat exchanger is connected with a solution spray mechanism in the absorber unit, the other path is connected with the inlet of a solution-to-solution heat exchanger through a solution circulating pump, and the outlet of the solution-to-solution heat exchanger is connected with a dilute solution spray mechanism through the generator unit so as to form a solution heat exchanging and circulating loop; the outlet of the condenser unit is connected with the inlet of a water-to-water heat exchanger through a condense water spray pump, the outlet of the water-to-water heat exchanger is connected with a condense water spray mechanism through the condenser unit to form a condense water heat exchanging and circulating loop; the water return pipe is connected with a water-to-water heat exchanger unit and the inlet of a solution-to-water heat exchanger, and the water supply pipe is connected with the water-to-water heat exchanger and the inlet of the solution-to-water heat exchanger.

The present invention discloses a high -voltage DC plastic insulating cable attachment to the upper limit of the annex. This method includes steps: build a finite element model; calculate the maximum temperature difference between the maximum temperature and the maximum temperature difference between the insulation of different layers; The maximum allowable temperature difference between the inner and outer surfaces of each solid insulating layer is used as the constraint condition of the steady-state current-carrying capacity of the HVDC cable accessories, and the initial current-carrying interval is obtained; the idea of ​​dichotomy is used to continuously reduce the current-carrying interval, and finally the steady-state ampacity of the HVDC cable accessories is obtained ; During the operation of the high -voltage DC cable, the load calculation results are used as the access limit of the attachment. The present invention simultaneously considers the two constraint conditions of the maximum long-term allowable temperature of the conductive wire core and the maximum allowable temperature difference between the inner and outer surfaces of each solid insulating layer, and conforms to the insulation characteristics of the high-voltage DC cable accessories; it can flexibly adjust the carrying capacity of the accessories according to changes in the external environment, and make full use of The transmission capacity of the power cable line is improved, and the utilization rate of the cable is improved.

The invention discloses a low-temperature retorting method of high-volatile flux fine particle, which is characterized by the following: the method adopts vertical pipe with inner, middle and outer concentric casing to move two sides of outer heat retort furnace, which produces char coal, gas and tar; the needed energy of retorting is provided by fine grain coal in the middle casing ring-shaped space from inner and outer casing high-temperature gas, which proceeds drying and charring steps; the steam and char volatile product are guided out of upper segment steam and lower segment char hole separately; the char coal falls in the char furnace chassis discharger, which is discharged from outlet.