30results about How to "In situ utilization" patented technology

The invention provides a hydrogen production method and system by wind power, photoionization/grid connection, and relates to the technical field of wind power hydrogen production. The power supply ofthe hydrogen production device is a main wind power plant wind turbine generator set grid and an energy storage unit, and the energy storage unit is connected with a vertical axis wind turbine generator set of a hydrogen production plant and a photovoltaic battery panel as an auxiliary power generation unit; On the premise of meeting the demand of power grid, hydrogen is produced by utilizing theexcess electric energy of power grid. When the excess electric energy of power grid is too low, the electric energy of energy storage unit is released and supplemented for hydrogen production, so that the input power of a hydrogen production device is smoother and more stable. The hydrogen production device comprises an alkaline electrolytic cell and a solid oxide electrolytic cell. The inventionmainly solves the problem of wide power fluctuation of hydrogen production by wind power existing in the prior art, makes the input power of the hydrogen production device smooth, and improves the efficiency and service life of the hydrogen production device.

The invention discloses a micro-expansive coral sand concrete and a preparation method thereof. The micro-expansive coral sand concrete is composed of the following components in parts by weight: 300-450 parts of cement, 15-45 parts of admixture, 600-725 parts of coral sand, 975-1150 parts of macadam, 165-205 parts of seawater, 3-7 parts of water reducing agent and 1.5-2.5 parts of liquid expanding agent. The main component of the liquid expanding agent is an emulsion generated by saponifying higher fatty acids. The novel concrete admixture liquid expanding agent is utilized to obviously enhance and improve the dry shrinkage and volume stability of the concrete. The double expansion effects sufficiently enhance the compactness of the concrete, and effectively repair and improve the porosity of the concrete, thereby ensuring the volume stability of the coral sand concrete.

The invention discloses a combined desalination wastewater treatment system for synchronous recovery of salt differential energy and chemical energy in wastewater. The system is composed of a microbial reverse electrodialysis tank and an electrodialysis tank. The system is characterized in that the microbial reverse electrodialysis tank is used for recycling the salt differential energy between high concentration salt wastewater and low concentration salt fresh water and the chemical energy of organic matter in the high concentration salt wastewater, and electric energy is generated; the electrodialysis tank is used for desalting the high concentration salt wastewater by using the electric energy generated by the microbial reverse electrodialysis tank; the microbial reverse electrodialysistank includes an anode chamber and a cathode chamber which are separated by a membrane assembly. An anode carbon brush is arranged in the anode chamber, and electricity producing microorganisms are attached onto the surface of the anode carbon brush; an air cathode is arranged in the cathode chamber. The membrane assembly includes an anion exchange membrane, a cation exchange membrane, a high concentration salt wastewater flow channel and a low concentration salt fresh water flow channel. The system can be further widely used in the fields of energy, chemical industry, environmental protection and the like.

The invention discloses a rural urbanization residential domestic sewage and biomass garbage treatment system and method. The system comprises a plurality of garbage crushers and a solid-liquid separator, wherein the plurality of garbage crushers are all connected with the solid-liquid separator through pipelines; a solid outlet of the solid-liquid separator is connected with an anaerobic reactor through a pipeline; a liquid outlet of the solid-liquid separator is connected with an aerobic reactor through a pipeline; the downstream side of the aerobic reactor is connected with a sludge-water separator through a pipeline; a sewage outlet of the sludge-water separator is sequentially connected with a sterilizer and a recycled water storage pool through pipelines and is also connected with the anaerobic reactor through a pipeline. By using the comprehensive treatment system and method disclosed by the invention, the biomass garbage and the sewage can be recycled after being treated, thus the no-waste treatment is realized; in addition, space occupation and environment pollution caused in biomass garbage stacking, transporting and sorting processes are avoided, thus residents are urged to classify garbage from the source.

The invention discloses a northern residential district sewage processing system and method. The system comprises a grating tank, an adjusting tank, a magnetic separation water purification unit and a constructed wetland unit. The grating tank, the adjusting tank, the magnetic separation water purification unit and the constructed wetland unit are connected in order through water pipes. According to water quality characteristics of northern residential district sewage, the sewage processing system combined with a magnetic separation water purification technology and a modularized constructed wetland technology is provided, processing advantages of the magnetic separation water purification technology and the modularized constructed wetland technology to pollutants are utilized fully, processing quota of the two novel technologies are distributed reasonably, removal of suspended organic matters, suspensions and total phosphor in sewage is mainly finished during the magnetic separation water purification technology process, and removal of the total nitrogen, ammonia nitrogen and dissolved organic matters is finished by the modularized constructed wetland. The problems are solved that a constructed wetland technology unit is employed alone, the land occupation area is large, obstruction is easy to happen inside the wetland, and ammonia nitrogen and total nitrogen are difficult to meet the water quality standard.

The invention relates to a method and a device for generating electricity by using afterheat of high-temperature steel smelting slag. The method comprises the following steps of: feeding slag which is obtained in steel smelting, stores heat energy and serves as a heat production substance into a boiler; heating water/gas to produce steam with proper pressure; and feeding the steam produced by the boiler into a steam turbine to generate electricity. The device comprises a steam boiler and a steam turbine, wherein the boiler is provided with a smelting furnace slag input device; a steam output pipeline of the steam boiler is connected with the steam turbine which is connected with an electricity generator; a steam pressure stabilization and adjustment device is arranged between the steam boiler and the steam turbine; the steam pressure stabilization and adjustment device comprises a tank body; and a transverse baffle device capable of floating up and down is arranged in the tank body. By adoption of the invention, the heat energy in the high-temperature slag is recycled effectively, energy waste is avoided, the generated electricity can be directly used in local enterprises or all other industrial or civil places, and reuse of energy is realized effectively.

The invention discloses a comprehensive pipe rack shallow burying project integrated construction device. The comprehensive pipe rack shallow burying project integrated construction device comprises atelescopic cutter head which is arranged on a steel plate at the upper portion of a tunneling face, is capable of moving up and down along the upper portion of the tunneling face and is used for cutting a soil body. A steel plate at the lower portion of the tunneling face is provided with a fixed cutter head for cutting the soil body. A soil cabin is arranged behind the fixed cutter head. One endof a spiral conveyor is arranged in the soil cabin, and the other end of the spiral conveyor is arranged above one end of a muck conveying belt. The other end of the muck conveying belt stretches outof a pipe rack. According to the comprehensive pipe rack shallow burying project integrated construction device, an excavation system and a support system are integrated, additional support structurebuilding time and construction cost are saved, and the construction efficiency is greatly improved.

The invention discloses a treatment method of refractory organic wastewater. The treatment method comprises the following steps: collecting the refractory organic wastewater, and adding aluminum-carbon nanotube-ferroferric oxide compound particles into the wastewater; adjusting a pH value of the wastewater to acidity and stirring and reacting under the condition of introducing oxygen; after the reaction is finished, adjusting the pH value of a mixed solution to 6 to 9 and carrying out solid-liquid separation, thus obtaining supernatant, namely the treated water. The method disclosed by the invention is performed at normal pressure and normal temperature and has the advantages of mild reaction conditions and simple technology; H2O2, a catalyst and dosing equipment does not need to be added,so that the input is low; in addition, the added functional materials are environmentally friendly, so that secondary pollution is avoided; besides, the treatment time of the wastewater is short, andthe treatment effect is good, so the method is suitable for industrialized large-scale production.

The invention provides a pebble coal recycling device and method, the pebble coal recycling device structurally comprises an outward transporting device, a sorting device and a material returning device, wherein the outward transporting device comprises a pebble coal collecting bin, the pebble coal collecting bin is located below a roller type coal mill, and a net-shaped separating bin is connected with a mechanical separating bin; the ball mill separating module is connected with an outlet of the mechanical separating bin; a building material collecting bin is connected with an outlet of the ball mill separating module, a collecting tube is connected with the ball mill separating module, a bag-type dust remover is arranged above a pulverized coal bin, a pulverized coal bin pump is connected with a discharging hole of the pulverized coal bin, and one end of a material returning tube is connected with the bottom of the pulverized coal bin pump; and the other end is connected with a coal dropping tube of a roller type coal mill. According to the invention, outward transportation, sorting and returning of pebble coal are realized, the technical problem of pebble coal recycling is solved, coal energy containing heat value in pebble coal is separated to the greatest extent through the ball mill separating module, and coal powder is added back to the coal dropping tube of the roller type coal mill so as to realize on-site utilization.

The invention provides a cooling system and method, and aims to solve the technical problem that in the prior art, the comprehensive energy utilization ratio is low. The cooling system comprises a gasification device, a cold storage device and a cooling device, wherein the gasification device is used for performing gasification treatment on inputted liquid energy to obtain gaseous energy corresponding to the liquid energy, and outputting cold energy generated during the gasification treatment process; the cold energy is stored in a liquid; the cold storage device comprises a cold storage tank and a first port; the cold storage tank is used for storing the liquid and outputting at least part of the liquid through the first port; the cooling device comprises an air inlet and a cooling pipeline; the air inlet is used for injection of to-be-cooled air into the cooling device; and the cooling pipeline is positioned inside the cooling device, and used for transferring the cold energy carried by at least part of the liquid to the to-be-cooled air, so as to cool the to-be-cooled air.

The invention discloses a vehicle-mounted photovoltaic charging system of an electric vehicle. The system comprises a solar cell panel, an inverter, a storage battery pack, a charging control circuit,a PC terminal and a control module. The solar cell panel, the inverter, the storage battery, the charging control circuit and the PC terminal are connected with the control module. The solar cell panel converts light energy into electric energy and stores the electric energy in the storage battery pack. The control module comprises an MPPT module and an STM32 control unit, the MPPT module is usedfor tracking the maximum power point of the solar cell panel, and the STM32 control unit controls the duty ratio of a DC-CD circuit in the MPPT module through a timer; and the STM32 control unit is used for uploading the data to the PC terminal. By means of the mode, the vehicle-mounted photovoltaic charging system of the electric vehicle can supplement electric quantity for a power source of theelectric vehicle in time, is not limited by the position of a charging station to improve the driving range of the electric vehicle.

The invention discloses an energy-saving and environment-friendly rotary drum dryer. The energy-saving and environment-friendly rotary drum dryer comprises a rack, wherein a thermal dehydration part and a constant-temperature dehydration part are rotationally mounted on the rack; a first rotary driving mechanism and a second rotary driving mechanism are mounted on the rack; an upper drum feeding part is mounted at one end of the thermal dehydration part; an upper drum guiding part is mounted at the other end of the thermal dehydration part; a lower drum feeding part is mounted at one end of the constant-temperature dehydration part and positioned below the upper cylinder guiding part; a discharging part is mounted at the other end of the constant-temperature dehydration part; a heat source is part is connected to the upper drum guiding part; a waste-heat utilization part is connected to the upper drum feeding part; and an exhaust collection part is connected to the lower drum feeding part. The energy-saving and environment-friendly rotary drum dryer utilizes renewable biogas as a fuel to heat up air so as to finish dehydration, sterilization, trace carbonization and drying treatment of kitchen waste, and therefore, solves the problems that a conventional kitchen waste disposal method causes much pollution and hazards to the environment, is incomplete in disposal, demands much on equipment and environment, and is high in energy consumption and low in output.

The invention relates to a thermal compensation type jet reaction system which comprises a jet reactor, a working fluid and a driving fluid; the jet reactor comprises a device body and a nozzle, the device body is provided with a driving fluid inlet and a reactor outlet, the working fluid is jetted into the device body through the nozzle, and the driving fluid enters the device body through the driving fluid inlet; then the working fluid and the driving fluid are mixed under the action of jet entrainment and undergo an exothermic chemical reaction, wherein at least one of the working fluid andthe driving fluid undergoes a gasification process and gasification latent heat required by the gasification process is compensated by reaction heat of the exothermic chemical reaction; finally, thegasified and reacted materials are discharged from an outlet of the reactor. Through energy matching of phase change heat and reaction heat, system temperature rise caused by reaction heat release isreduced or avoided, optimal reaction temperature distribution is obtained, reaction effects such as reaction efficiency improvement, side reaction reduction and product yield improvement are improved,in-situ utilization of the reaction heat can be realized, and energy waste is avoided.