16results about How to "Full reuse" patented technology

According to the gasification fine slag dewatering and drying method and system based on the fluidized bed dryer, gasification fine slag with high water content can be dewatered and dried, the energy utilization rate is high, and waste of water resources is little. The method comprises the following steps: 1) carrying out flash evaporation concentration, sedimentation and filtration dehydration on the coal gasification black water in the black water treatment unit; (2) gasified fine slag to be treated is fed into a fine slag preheater to be subjected to heat exchange with a heating medium; 3) carrying out heat exchange on the preheated gasified fine slag and the superheated steam in a fluidized bed dryer to obtain dried gasified fine slag and secondary steam; 4) feeding the secondary steam into a secondary steam dust removal unit for dust removal treatment, and then feeding the secondary steam into a fine slag preheater; (5) the secondary steam output by the fine slag preheater is fed into a steam preheater for heat exchange, and preheated secondary steam is obtained; (6) the preheated secondary steam is fed into a steam superheater to be subjected to superheating treatment, and superheated steam is obtained; and feeding the superheated steam into a fluidized bed dryer.

The invention provides a saline-alkali soil salt elimination system and method based on straw formation, and belongs to the technical field of soil drainage and saline-alkali soil treatment. The system comprises a straw drainage body buried in the saline-alkali soil, a water collecting well buried in the saline-alkali soil and a drainage ditch formed by digging in the surface of the saline-alkali soil. The straw drainage body is communicated with the water collecting well, and a water pumping mechanism is arranged in the water collecting well and used for draining saline-alkaline water collected in the water collecting well into the drainage ditch; the method comprises the steps of S1, land leveling; s2, determining layout parameters and a scheme; s3, processing and manufacturing a straw drainage body; s4, mounting: digging a drainage ditch at a design position, laying a straw drainage body and mounting a water collecting well; s5, slope protection treatment of the drainage ditch slope; s6, crop planting; s7, soil salt leaching; s8, discharging water and salt; according to the method, the straw drainage body and the straw grass blanket slope protection are constructed by using the straw, the method is ecological and environment-friendly, the drainage and slope fixation effects are good, and favorable conditions are provided for saline-alkali soil treatment.

The invention relates to a liquid hydrogen energy recovery system and a vehicle, the liquid hydrogen energy recovery system comprises a liquid hydrogen tank, a recovery tank, a control unit and a solid hydrogen storage module, the liquid hydrogen tank is provided with a first pressure sensor, the first pressure sensor monitors the pressure in the liquid hydrogen tank, and when the vehicle is in a static state, the solid hydrogen storage module is connected with the control unit; and the pressure in the liquid hydrogen tank is increased due to hydrogen generated by evaporation in the liquid hydrogen tank. When the pressure value monitored by the first pressure sensor exceeds a first preset value, the control unit controls the first electromagnetic valve to be opened, so that hydrogen enters the recovery tank and is absorbed by the solid hydrogen storage module, the hydrogen can be recovered, and waste caused by the fact that the hydrogen is discharged into the atmosphere is avoided. Moreover, when the vehicle is started, the solid hydrogen storage module is heated through the heating piece, so that the solid hydrogen storage module releases hydrogen, and the hydrogen flows into the electric pile from the recovery tank, so that the hydrogen is fully recycled, the energy waste is reduced, and the use cost of a user is greatly reduced.

The invention relates to a method and device for detecting the liquid level position in an oil casing annulus. The method comprises the following steps: acquiring a temperature distribution data sequence of an oil well acquired by a distributed optical fiber sensing system; feature points caused by the tubing coupling are recognized through a peak detection algorithm, and the number and positions of the feature points are recorded; obtaining a first liquid level according to the number of the feature points; determining a second liquid level based on local temperature characteristics of the temperature distribution data sequence; and calculating the liquid level depth according to the feature point position, the first liquid level and the second liquid level. By the adoption of the method, continuous and real-time working fluid level detection can be achieved through existing distributed optical fiber sensing data, dependence on special hardware is avoided, and system complexity and cost are remarkably reduced on the basis that measurement robustness and accuracy are improved.

The invention discloses an urban rail train traction device capable of recycling braking energy, and relates to the technical field of train traction, the urban rail train traction device comprises a mounting hanger, the middle part of the mounting hanger is rotatably connected with a buffer part, and the buffer part is provided with a coupling part in the direction away from the mounting hanger. By utilizing the friction temperature rise between the crushing pipe body and the sliding sleeve, the memory metal rod is heated to expand, the ball plug automatically opens the oil outlet pipe, and the outer wall of the crushing pipe body can be automatically and uniformly coated with lubricating oil in cooperation with the telescopic sliding of the sliding sleeve, so that the friction between the crushing pipe body and the sliding sleeve can be effectively reduced, the friction loss of the crushing pipe body is reduced, and the service life of the crushing pipe body is prolonged. Meanwhile, friction energy consumption of train operation is reduced, consumption of stored energy is reduced, more energy can be saved for other electrical systems of the train, and sufficient recycling of braking energy is facilitated.

The invention provides a utilization method and system of oil-containing oxide scale, and the method comprises the following steps: in the sintering production process, laying a grate-layer material layer on a sintering machine, laying a primary material distribution layer on the grate-layer material layer, and then igniting; after the sintering machine runs for a certain distance, a secondary material distribution layer is distributed on the distributed and ignited primary material distribution layer, and then ignition is carried out; the sintering mixture of the first material distribution layer does not contain oil-containing oxide scales, and the sintering mixture of the second material distribution layer contains oil-containing oxide scales. The method provided by the invention can eliminate the adverse effect of oil substances in the added oil-containing oxide scale on the sintering air draft system; and the explosion risk caused by a low-flash-point oil decomposition product formed by an oil substance can be avoided, and the safety of a sintering system is ensured. According to the method disclosed by the invention, oil-containing oxidized scale resources which cannot be effectively utilized by enterprises are effectively recovered, and potential combustion heat of oil substances in the oil-containing oxidized scale can be utilized, so that the demand consumption of fuel in the sintering mixture is reduced, and the full reutilization of valuable resources in the oil-containing oxidized scale is realized.

The invention discloses an autophagy type space grading electric combination propulsion system and method. The autophagy type space grading electric combination propulsion system comprises a chemical propulsion module and an electric propulsion module which are coaxially arranged from inside to outside. The electric propulsion module comprises a cathode, an insulating sleeve, an anode, a power supply and a transmission device; the cathode is a metal structure of the chemical propulsion module except the propellant; the anode is coaxially and fixedly arranged on the periphery of the tail of the insulating sleeve in a sleeving mode and can synchronously and axially slide along with the insulating sleeve. A space chemical propulsion mode and an electric propulsion mode are ingeniously combined, the characteristic that a pulse plasma propulsion technology adopts metal and other solid working media as propellants is utilized, and after space chemical propulsion fuel is used up, the structural material of the space chemical propulsion fuel serves as an electric propulsion working medium to achieve re-propulsion of the autophagy type space grading electric combination propulsion system. The spacecraft can meet the requirements of high thrust, high specific impulse, long service life and the like, space pollution can be reduced, and environmental protection is promoted.

A coke oven raw gas and waste gas waste heat recovery and reuse system comprises a coke oven, a high-temperature waste heat boiler, a waste gas purification device, a steam turbine, an oil-gas separator, a low-temperature waste heat boiler, a gas cooler, an oil-water separator, and a low-temperature waste heat recovery device. The high-temperature waste heat boiler, the low-temperature waste heat boiler, and the low-temperature waste heat recovery device are simultaneously provided in the scheme, so as to realize the effective recovery and reuse of the high-temperature sensible heat of the raw gas, the low-temperature waste heat of the heavy tar, and the low-temperature waste heat of the 60-100°C raw gas, and also to recover the heavy tar and light tar existing in large quantities in the raw gas, so as to create profits and increase revenue for the enterprise, and has good economic and social benefits. The raw gas is also transported to a first flue gas pipeline for heat exchange with the coke oven waste gas in a second flue gas pipeline, so as to realize the partial recovery and reuse of the high-temperature sensible heat in the raw gas. In the process of denitrification of the coke oven waste gas, no additional heater is required, so as to greatly reduce the investment and treatment cost of the coke oven waste gas, and is beneficial to energy saving and consumption reduction of the coking enterprise.

The present application relates to the technical fields of biomass gasification furnace, and disclose a tower-shaped grate, the present application is arranged with the annular base of receiving ash and slag below the furnace body, so as to ensure that after the discharge of ash and slag, the fresh air outside will be sucked from the output direction of ash and slag, and enter the furnace through ash and slag, the outside air passes through ash and slag again, so that ash and slag are further burned, and the waste heat generated in ash and slag enters the furnace along with air, and the heat can be fully reused, and by means of waterless slagging, the water vapor injection into the furnace is reduced, the temperature in the furnace is prevented from being suddenly reduced, the heat energy is saved, and the purpose of saving heat energy and recycling residual heat energy is achieved.

The invention provides a soil dressing spray-seeding greening slope protection structure and a construction method thereof, and relates to the technical field of slope surface plant protection construction. The protective net is fixedly connected to the anchoring part; the wheat straw layer is laid on the protective net; matrix soil is sprayed and sown, and the matrix soil and the sown seeds are arranged on the wheat straw layer and can press the wheat straw layer into the gaps of the protective net through gravity. The method comprises the following steps: finishing a slope surface, and constructing a water intercepting and draining system; an anchoring part is arranged on the slope surface; a protective net is fixed to the anchoring parts; wheat straws are laid on the protective net; the method has the beneficial effects that the wheat straw and the matrix soil are mixed, so that the matrix soil and the iron gauze can be effectively combined and adhered to the slope surface, the spray-seeding uniformity is improved, and the spray-seeding thickness is effectively controlled, so that the vegetation coverage rate is ensured.

The invention relates to the technical field of textile dust collection, in particular to a textile machine textile dust collection device for textile, which comprises a shell and a negative pressure fan, and further comprises a plurality of separation grabbing plates positioned in the shell; the collecting unit is arranged in the shell, and the collecting unit is used for collecting textile dust generated in the working process of the textile machine; the separation driving unit is arranged in the shell, the separation grabbing plate is arranged on the separation driving unit, the separation driving unit is used for driving the separation grabbing plate to rotate, and when the textile dust collecting device of the textile machine for textile use is used, fibers and dust in air can be effectively separated through the special separation grabbing plate; therefore, the recovery efficiency of the textile dust is improved, the waste of resources is reduced, and the recovered fibers and dust can be fully reused.

The utility model discloses an industrial powder wet material drying device which is characterized in that the output end of a rotating speed adjustable driving device is connected with a spiral device through a shaft, the spiral device is internally provided with a shaft, one end of the shaft is provided with a shaft air inlet, and the other end of the shaft is provided with an in-shaft heat circulation air outlet; one end of the spiral device is connected with a bearing seat through a shaft, the outer surface of the shaft is rotatably connected with a furnace body sealing end cover, the outer surface of the furnace body sealing end cover is fixedly connected with a rotary furnace body, and the outer surface of the rotary furnace body is fixedly connected with an in-furnace thermal cycle gas exhaust pipeline. The kiln waste gas heat energy is fully recycled, energy conservation and environmental protection are achieved, the drying effect is better, materials can be stirred, dried and conveyed through the spiral device, the stirring, drying and conveying functions can be completed at the same time, and therefore the occupied area of equipment can be reduced, and the production space can be saved.

The present invention proposes a salt drainage system and method for saline-alkali land based on straw, belonging to the technical field of soil drainage and saline-alkali land management; the system comprises a straw drainage body buried in the saline-alkali land, a water collection well buried in the saline-alkali land and a drainage ditch formed by excavating on the surface of the saline-alkali land; the straw drainage body is connected to the water collection well, and a water pumping mechanism is provided in the water collection well for discharging the saline-alkali water collected in the water collection well into the drainage ditch; the method comprises S1: land leveling; S2: determining layout parameters and schemes; S3: processing and manufacturing the straw drainage body; S4: installation: digging drainage ditches at designed positions, laying straw drainage bodies and installing water collection wells; S5: slope protection treatment of drainage ditch slopes; S6: crop planting; S7: soil salt leaching; S8: drainage and salt removal; the present invention utilizes straw to construct a straw drainage body and a straw blanket slope protection, which is ecologically friendly, has good drainage and slope consolidation effects, and provides favorable conditions for saline-alkali land management.

The utility model discloses a kind of ammonia circulation gas turbine-double turbine expander combined structure, including air supply unit, compressor, combustor, gas turbine and flue gas discharge channel being sequentially connected in series, and coil pipe, booster pump, turbine expander, compressor is mechanically linked with gas turbine by a rotating shaft, first coil pipe is filled with ammonia decomposition catalyst, liquid ammonia supply unit is sequentially connected booster pump, second coil pipe, first turbine expander, first coil pipe, second turbine expander and fuel regulating valve by pipeline, finally access the fuel inlet of combustor;The output end of first turbine expander and second turbine expander is connected kinetic energy conversion device respectively.The utility model is to the staged utilization of ammonia fuel energy by double turbine expander, combined with the heat exchange of flue gas waste heat in coil pipe and the chemical energy release of ammonia decomposition, when not combined with heat and power, single machine thermal efficiency can be as high as 70% or more, compared with traditional single cycle gas turbine efficiency is greatly improved.

The invention discloses a textile fabric uniform dyeing and drying treatment device, and relates to the technical field of fabric drying, the textile fabric uniform dyeing and drying treatment device comprises a machine body conveying table, a carrier controller is mounted below the machine body conveying table, a drying bin is mounted above the machine body conveying table, a radiator is mounted above the drying bin, and a comprehensive drying mechanism is arranged in the drying bin; a circulating recovery mechanism is arranged below a machine body conveying table, a biconical guide cylinder is used for guiding hot air in a flowing mode that the hot air flows internally in a direct flow mode, is spiral in the middle and is mainly provided with four branch pipes on the periphery aiming at dead angles, firstly, the hot air in the internal direct flow portion can be directly blown to the central area of fabric, and stable dry airflow is provided; the middle spiral air flow can conduct spiral surrounding drying on the middle portion of the fabric, then hot air is guided to the surface of the fabric in all directions through the novel guide cylinder structure, it is guaranteed that each portion of the fabric can be effectively dried, and drying integrity is improved.

The invention relates to the technical field of plant polysaccharide and polyphenol extraction, in particular to avocado seed polyphenol and a preparation method thereof, and avocado seed starch and a preparation method thereof. The scheme of the invention provides a method for synchronously extracting polyphenol and starch from avocado seeds by using an oxidative coupling supercritical CO2 extraction technology, and the method specifically comprises the following steps: peeling the avocado seeds, crushing, continuously drying and crushing after spontaneous oxidation reaction of the avocado seeds, and primarily extracting by using an extracting agent; further extracting polyphenol by using a supercritical CO2 fluid extraction device; and finally, freeze-drying polyphenol obtained by two times of extraction to obtain polyphenol solid, and adding a proper amount of protease into residual insoluble substances for deproteinization treatment to obtain starch. The starch prepared by adopting the scheme is low in digestibility, the prepared polyphenol has good thermal stability, and the prepared polyphenol and the polyphenol-starch compound have good tyrosinase inhibitor activity and antioxidant activity.