96 results about "Greenhouse effect" patented technology

The invention relates to the technical field of power systems, in particular to a wind-solar-thermal storage integrated comprehensive energy system and a multi-objective optimization method. The thermal power plant is optimized by connecting the thermal power plant with the carbon capture device and the steam extraction energy storage device, carbon dioxide generated during operation of the thermal power plant is captured through the carbon capture device and stored or utilized, and therefore the carbon dioxide entering the atmosphere is reduced, and the influences of the greenhouse effect and the climate change are relieved; the amount of carbon dioxide which can be captured by the carbon capture device is increased, excess heat generated in the energy production process is stored in a steam extraction mode through the steam extraction energy storage device, then the stored heat energy is supplied to heating or driving mechanical equipment in the peak period of energy demand, the utilization efficiency and sustainability of energy are improved, and the energy utilization rate is increased. The heat storage capacity of the system is improved while carbon emission is reduced, the energy storage cost is reduced, and low-carbon economical operation of the system is achieved.

To provide an information processing device, a method for checking an amount of reduction in a greenhouse effect gas and program for showing contribution to environment based on highly reliable data while suppressing introduction cost.SOLUTION: In an environmental contribution presenting system 100, an information processing device 1 includes: a cultivation information acquisition unit for acquiring environmental data on a greenhouse effect gas from a sensor device 50 arranged in a cultivation area of plants and / or environmental data input by a producer through a producer terminal 2; an environmental contribution calculation unit for calculating a greenhouse gas reduction effect by carbon absorption accompanying cultivation of the plants as a contribution based on the environmental data; and an environmental contribution presentation unit for performing processing for presenting the contribution.SELECTED DRAWING: Figure 1

A method and apparatus for monitoring greenhouse effect pollutants generated by fuel combustion, which method and apparatus belong to the technical field of flue gas monitoring. The monitoring method comprises: by using a diffusion position at a previous moment as a tracking point, determining a diffusion position at a current moment on the basis of an image recognition and tracking method, wherein the diffusion position is the position where a flue gas generated by fuel combustion diffuses in the ambient atmosphere (101); and performing flue gas collection at the diffusion position at the current moment, and performing monitoring, so as to obtain a monitoring result at the current moment (102). In the monitoring method, a flue gas diffusion position is tracked in a real atmospheric environment on the basis of the image recognition and tracking method, and monitoring is performed at the diffusion position, such that monitoring of fuel combustion emission in a real atmospheric environment is realized.

The present invention relates to a self-leveling filler with low global warming potential.

The invention belongs to the technical field of non-phase-change refrigeration, and particularly relates to a non-phase-change active refrigeration method and device based on salt solution precipitation and dissolution under pressure regulation and control and application. The saline solution is used for refrigeration, greenhouse gas is not generated, dependence on fluid media in the heat transfer process is avoided, and environmental protection and high efficiency are achieved. The device comprises a pressure driving device, a solution circulating system and a heat exchange system, hydrostatic pressure serves as power for driving salt to be separated out in a solution of the hydrostatic pressure, the dissolved salt is effectively and controllably recrystallized, and active controllability of refrigeration circulation is achieved. After the solution is pressurized to separate out crystals, heat released by the residual dilute solution is transferred to a hot end; after the pressure is released, the crystals are dissolved to absorb heat of the cold end, and refrigeration circulation is completed. The solution is a refrigeration material and a heat transfer medium, is similar to traditional gas compression refrigeration, does not destroy the ozone layer and has no greenhouse effect, efficient refrigeration is achieved, and meanwhile environment friendliness and sustainable development are facilitated.

The invention relates to the technical field of energy consumption monitoring, and provides a low-carbon industrial park energy consumption monitoring system which comprises an acquisition assembly, a photovoltaic power generation assembly, a feature analyzer, an analyzer, a controller and a displayers. A carbon imbalance tendency characterization value is determined through an analyzer, a carbon emission sensitive tendency period is divided through a controller, different judgment modes are adopted for different carbon emission sensitive tendency periods, and through the influence of energy consumption changes on carbon emission in the air, the risk that the carbon emission rapidly rises is found in time, and the carbon emission sensitivity is improved. The starting of the photovoltaic power generation device is controlled in time so as to reduce the carbon emission risk through electric energy compensation, the monitoring time period is adjusted in time, the reliability and accuracy of industrial park energy consumption monitoring are improved, and the influence of carbon emission rising on the environment greenhouse effect is reduced.

The embodiment of the invention discloses a reservoir greenhouse effect evaluation method based on a physical driving neural network. The method comprises the following steps: collecting historical data of a target reservoir monitoring station; establishing a river reservoir one-dimensional nitrogen element transport model based on the nitrogen element transport process of the target reservoir, determining a nitrification and denitrification coefficient calibration neural network in the nitrogen element transport process of the target reservoir according to the river reservoir one-dimensional nitrogen element transport model, and a corresponding to-be-optimized target function, inputting historical data to the to-be-optimized target function, and determining a nitrification and denitrification coefficient calibration neural network in the nitrogen element transport process of the target reservoir according to the to-be-optimized target function. Determining neural network optimization parameters so as to determine nitrification and denitrification optimization coefficients; and evaluating greenhouse gas emission of the target reservoir based on the nitrogen element real-time data of the target reservoir and the nitrification and denitrification optimization coefficient. According to the embodiment of the invention, the one-dimensional nitrogen element transport equation is utilized, the actual aquatic environment of the reservoir is combined, the physical constraint of the nitrification and denitrification coefficient calibration process is increased, and the greenhouse gas emission of the reservoir is accurately evaluated.

The ecological device comprises an adsorption system and a desorption system, and the adsorption system is of an upper, middle and lower structure and comprises an adsorption bin, a floating body and a microporous aeration pipe; the adsorption bin is of a frame structure, an adsorption module is placed in the adsorption bin, the adsorption module is a square body formed by stacking a plurality of strip-shaped adsorption net cages in a staggered mode, gaps are reserved between the adjacent strip-shaped adsorption net cages, and adsorbents are arranged in the adsorption net cages; wind-proof plates are arranged on four surfaces of the periphery of the adsorption bin; the top of the adsorption bin is closed, the other five faces are open, and a hygrophilous plant planting pool is arranged at the top of the adsorption bin. The device is used for open water areas such as water surfaces of rivers and lakes, carbon dioxide above the water surfaces is captured by adopting an adsorption principle, the concentration of carbon dioxide gas on the water is reduced, the atmospheric greenhouse effect is slowed down, the acidity of the water is reduced, the chemical environment of the water is stabilized, and the synergistic effect of protecting the rivers and the lakes and reducing carbon and emission is formed.

A pressure-sensitive material and an insulating gas leakage identification method based on the pressure-sensitive material, the intuitive identification method includes the following steps: applying a pressure-sensitive material on the surface of an inflatable device using insulating gas (sulfur hexafluoride or a sulfur hexafluoride mixture), the pressure-sensitive material having a set toughness and ductility, and changing color after deformation; when the pressure-sensitive material bulges from the surface of the inflatable device and changes color, the insulating gas leakage is visually discovered and immediately processed. The components of the pressure-sensitive material include: an adhesive material, a foaming material, a piezochromic material, and a molding agent; the adhesive material accounts for 70% to 80% by weight; the piezochromic material accounts for 8 to 12% by weight; and the foaming material should not be less than 5% of the total weight. The present invention detects the leakage point in a timely and intuitive manner, and can prevent sulfur hexafluoride from leaking into the atmosphere, and prevent the greenhouse gas sulfur hexafluoride from being discharged into the atmosphere and causing harm to the environment.

The present invention discloses an air-cooled magnetic levitation variable frequency centrifugal unit capable of reducing gas emissions, which includes a frame body, a centrifugal unit body, a control box, a condenser and a cooling fan. The centrifugal unit body is arranged inside the frame body, the control box is arranged on one side of the frame body, condensers are evenly distributed near the top of the centrifugal unit body inside the frame body, and cooling fans are evenly distributed on the top of the frame body. For this air-cooled magnetic levitation variable frequency centrifugal unit capable of reducing gas emissions, first, carbon dioxide inside the gas is preliminarily separated by a cellulose acetate membrane. Subsequently, the water pump can extract the organic amine solution through the second connecting pipe and the first connecting pipe, and then the organic amine solution is sprayed through a nozzle, so as to reduce the carbon dioxide gas during emission, thereby avoiding the greenhouse effect caused by the carbon dioxide emission of the air-cooled magnetic levitation variable frequency centrifugal unit to the surrounding area.

A resource-recycling greenhouse horticulture simulation apparatus which promotes recycling use of exhaust heat and an exhaust gas to allow a contribution to a reduction in greenhouse effect gas. The apparatus includes: an exhaust heat-recycling simulation unit in a case of recovering exhaust heat to use it for heating; and an exhaust gas-recycling simulation unit in a case of using carbon dioxide obtained by recovering an exhaust gas for growth promotion of the plant. A greenhouse effect gas reduction amount by using the exhaust heat can be simulated by an exhaust heat-use greenhouse-effect-gas reduction-amount calculation unit, and a greenhouse effect gas emission amount by using the exhaust gas can be simulated by an exhaust gas-use greenhouse-effect-gas reduction-amount calculation unit.

According to the method for measuring the concentration of CO2 and CH4 in water and calculating the flux of CO2 and CH4 on the water surface, a device for the method comprises a water sample measuring bottle, a bottle cap, a gas inlet pipe sleeve, a gas outlet pipe sleeve, a gas inlet pipe, a gas outlet pipe, a drying bottle and a gas detector, and the gas outlet pipe, the drying bottle, the gas detector and the water sample measuring bottle are sequentially connected through hoses. The method comprises the following steps: starting a gas detector to carry out bubbling measurement and record a curve of concentrations of CO2 and CH4 in gas measured when a system is in an equilibrium state, establishing a relationship between the concentrations of CO2 and CH4 in the gas and a ratio k of the concentrations of CO2 and CH4 in the equilibrium state to the concentrations of CO2 and CH4 in liquid, fitting to obtain values of the concentrations of CO2 and CH4 in water, and calculating the flux of CO2 and CH4 on the water surface by utilizing the relationship between the flux and the concentration. According to the measurement method, the water surface CO2 and CH4 flux is calculated, the calculation process is simple, the calculation result is accurate, the water surface CO2 and CH4 flux in the water sample can be continuously monitored and analyzed for a long time, and theoretical data support is provided for subsequent water area analysis, climate change, greenhouse effect treatment and the like.

The present invention discloses a device for collecting carbon-containing waste from thermal power plants to make filling materials. The lower part and bottom surface of the pre-bin are respectively connected with the carbon sealing material making bin, a third feeding pipe is provided at one end of the drainage pipe close to the carbon sealing material making bin, the bottom surface of the pre-bin is connected with the carbon sealing material making bin through the carbon exhaust pipe, and a pH value monitor and a first liquid valve are arranged at intervals on the drainage pipe; an exhaust pipe is provided at the top of the pre-bin, and a liquid inlet pipe and a circulating liquid adsorption pipe are provided at the upper and middle parts of the side of the pre-bin, respectively, one end of the liquid inlet pipe is connected with the pre-bin, one end of the circulating liquid adsorption pipe is connected with the pre-bin, and the other end is connected with the drainage pipe; an air inlet pipe is provided at the lower part of the side of the pre-bin, and the exhaust pipe is connected with the air inlet pipe; a first feeding pipe and a second feeding pipe are provided at the upper part of the carbon sealing material making bin. The present invention directly introduces the carbon-containing waste from the power plant into it as the raw material for producing the filling material, and the cost is reduced by using local materials. The prepared filling material is filled underground to avoid its escape into the air, causing the greenhouse effect and polluting the environment.

The invention discloses a compact environment-friendly gas-insulated totally-enclosed ring main unit, and relates to the technical field of ring main units, in particular to a compact environment-friendly gas-insulated totally-enclosed ring main unit, which comprises a cabinet body, fins, a cleaning mechanism and an engineering dry air mechanism, fins achieve heat dissipation of the cabinet body, the cleaning mechanism cleans dust on the fins through a rolling brush, a spray head at the bottom of a first pipeline can wet the rolling brush when a temperature sensor detects that the temperature exceeds 50 DEG C, and a support is matched with the spray head to move up and down to achieve the dual functions of cleaning and cooling. The engineering dry air mechanism preheats air through a heating pipe and a heating wire of a second pipeline, then the air is dehydrated and air-dried through a small thermal cycle air bellow, generated dry air is introduced into an air box for insulation arc extinguishing, and meanwhile the temperature of the air box is controlled to guarantee the insulation performance. The ring main unit is compact in structure, dry air is non-toxic and non-combustible, greenhouse effect is avoided, and the ring main unit is environment-friendly, reliable in operation and suitable for various power distribution scenes.

The invention discloses a solar chimney salt lake brine enrichment system and method. The system comprises a heat collection shed, a chimney, a base, a spraying device and a partition plate. The heat collecting shed is arranged above the base, an opening is formed in the center of the heat collecting shed, a chimney is connected to the opening, and the spraying devices are arranged on the lower surface of the inner side of the heat collecting shed; the partition plates are arranged on the base and divide the base into a plurality of brine evaporation chambers; the heat collection shed and the partition plates are filled with phase change materials. The whole device is of a solar chimney structure, and the structure can improve the evaporation rate of salt pan brine through the chimney effect and the greenhouse effect; meanwhile, spraying devices are installed in several cavities formed by the heat collecting shed and the partition plates respectively, independent atomization and concentration of brine are achieved, the brine makes contact with air in a liquid drop mode, the heat exchange efficiency is improved, more importantly, the phase-change materials and the spraying devices are combined to be used, interference of external climate changes can be weakened, and the heat exchange efficiency is improved. The brine is concentrated according to a designed route, and the controllability of refined salt quality is improved.

The present invention discloses a method for predicting the migration process of micro-leakage methane in porous media, comprising the following steps: S1, constructing a prediction model; S1-1, gradually establishing partial differential equations of gas phase and water phase according to Darcy's law and the law of conservation of mass; S1-2, respectively processing the partial differential equations of gas phase and water phase using the implicit difference method of backward difference to obtain corresponding linear discrete equations; S1-3, combining the linear discrete equations obtained in step S1-2 to construct a model for predicting the distribution of methane concentration in porous media with depth and time; S2, obtaining training data S3, updating the model obtained in step S2 with the data obtained in step S3. The concentration change trend of micro-leakage methane in porous media can be accurately predicted, reducing the difficulty of monitoring the change of methane concentration, and contributing to accelerating the research progress of atmospheric methane and promoting the research of global greenhouse effect.

The present application discloses a propane-rich mixed working fluid and its application. By screening a suitable working fluid with a standard boiling point lower than R290 and meeting environmental protection requirements, and mixing it with R290 in a certain proportion, a mixed working fluid with exhaust superheat, suction pressure, performance coefficient and heating capacity per unit volume higher than pure R290 is obtained, which solves the problems of insufficient oil viscosity and suction vacuum that may occur when a heat pump using propane as a working fluid is running at low ambient temperature, and not only makes up for the defects of pure R290 heat pump running under low ambient temperature conditions, but also improves the system's energy efficiency and can reduce the operating cost of the heat pump system. At the same time, the mixed working fluid also meets the current environmental protection requirements of protecting the ozone layer and reducing the greenhouse effect, and has broad application prospects.

The invention discloses a soil ecological environment gas detection system, and relates to the field of gas detection. The system comprises a gas collecting unit, a gas collecting cavity, an optical signal transmitting unit, an optical signal receiving unit, a gas pressure sensor and a control processing unit, the gas collection unit is used for collecting soil gas in target soil, and the soil gas comprises greenhouse effect gas; the gas collection cavity is used for accommodating soil gas; the optical signal transmitting unit is positioned at one end of the gas collecting cavity; the optical signal receiving unit is positioned at the other end of the gas collection cavity and is used for generating a photoelectric sensing signal; the air pressure sensor is arranged in the air collection cavity; and the control processing unit is used for determining the greenhouse effect gas concentration of the soil gas according to the photoelectric sensing signal, and performing compensation treatment according to the cavity gas pressure to obtain the greenhouse effect gas detection concentration. The soil ecological environment monitoring system has the real-time data processing capability, so that the detection result can be fed back quickly, and timely and accurate information is provided for monitoring and management of the soil ecological environment.

The present invention provides a multi-factor fusion SF 6 The invention discloses a method for evaluating the applicability of alternative gases, which relates to the field of electrical technology, and includes: obtaining alternative gases based on gas insulation, and performing material parameters for electric field, temperature field and vibration physical field simulations; establishing a simplified simulation model based on disconnector equipment, and establishing a cube physical field simulation calculation domain outside the simplified simulation model; obtaining boundary conditions, and performing electric field simulation, temperature field simulation and vibration simulation in the physical field simulation calculation domain based on the boundary conditions and material parameters to obtain a maximum field strength modulus, a maximum temperature rise value and a maximum acceleration value; obtaining a factor evaluation value based on the greenhouse effect potential value, recycling difficulty, availability, price value and a preset component factor evaluation formula of the alternative gases; obtaining a comprehensive evaluation value based on the factor evaluation value and a preset comprehensive factor evaluation formula, and when the comprehensive evaluation value is greater than a preset threshold value, the alternative gas is used as the SF in the GIS. 6 alternative gases.

The invention discloses a method for predicting the influence of a greenhouse effect on extreme rainfall in the technical field of climate change. The method comprises the following steps: (1) collecting the monthly average temperature and monthly accumulated rainfall of an area in which the influence of the greenhouse effect on the extreme rainfall needs to be predicted; (2) determining the regression relationship between the monthly accumulated rainfall and the monthly average temperature at the extreme high quantile of the region; (3) downloading a predicted value of the monthly average temperature of the region under the greenhouse effect in the sixth stage of the international coupling mode comparison plan from the internet; (4) selecting a prediction result most conforming to the regional condition from different monthly average temperature prediction results; (5) substituting the selected most conforming monthly average temperature into the regression relation obtained in the step (2) to obtain the extreme rainfall; (6) determining the influence of the greenhouse effect on the extreme rainfall; the extreme rainfall under the greenhouse effect is obtained by using the relationship between the temperature and the rainfall, and the method is easy to use in different areas.

A fuel consumption amount including a heat transfer index of each of the inner liner coating materials in a calculation element is calculated, and the energy saving performance of an agricultural greenhouse is simulated. As a result, it is possible to predict the amount of fuel consumption by using these thermal movement indexes in either a case where the liner coating material is composed of a single layer of one curtain member or a case where the liner coating material is composed of a multi-layer curtain composed of a plurality of curtain members. According to the present invention, the amount of reduction in fuel consumption and the amount of reduction in greenhouse effect gas in a selected curtain member or a multi-layer curtain can be grasped, energy-saving performance can be visualized, and an inner liner coating material having more excellent energy-saving performance can be selected.

The present invention provides a composition for a thermal cycle system containing HFO-1123 and HFO-1234yf, which contains a working medium with cycle performance that can replace R410A while suppressing the impact on the greenhouse effect, and a thermal cycle system using the composition. A composition for a thermal cycle system containing a working medium for thermal cycle with a greenhouse effect coefficient (100 years) lower than 675 in the 4th report of the Intergovernmental Panel on Climate Change (IPCC), which contains trifluoroethylene and 2,3,3,3-tetrafluoropropene, and a thermal cycle system using the composition for a thermal cycle system.

The invention discloses a mixed environment-friendly gas proportioning method and a mixed environment-friendly gas proportioning system, and relates to the technical field of environment-friendly insulating media, and the mixed environment-friendly gas proportioning method comprises the following steps: fitting by adopting a global optimization algorithm to obtain Antomillion characteristic constants of SF6, N2 and CO2 gases; calculating saturated vapor pressure under different gas components, and testing a curve of the breakdown voltage of the mixed gas along with the change of the applied voltage under different saturated vapor pressure and mixing proportions to obtain an optimal mixing proportion; and taking the environment-friendly gas obtained by mixing as an insulating medium and carrying out an arc extinguishing capability test. The environment-friendly gas is obtained by mixing 30% of SF6, 69% of N2 and 1% of CO2, and the gas is used as a gas insulation medium used in gas insulation equipment, so that the use amount of SF6 is reduced, the environment-friendly requirement is met, toxic decomposition products are reduced, the greenhouse effect is avoided, the insulating property and the arc extinguishing effect of the gas are ensured, and the service life of the gas is prolonged. And the stability and the safety can be ensured in different working environments.

The present invention provides support to achieve goals with respect to a problem that burdens a corporation or a base thereof and that is relatively difficult to quantify, such as reducing emission of greenhouse effect gases. A service provider server 1 calculates, for target GHG emissions reductions set by a user, an extent to which additional reduction effort (such as a level to which an element has an impact on the reduction of GHG emissions) is required, on the basis of the current achievement level, and potential future achievement when predicted based on the current year-over-year reduction level. Elements, such as corporation or bases, and product group or Scope, that are expected to have an impact on reduction are identified on the basis of the calculation result, and recommendation information including the elements and specific solutions for reducing GHG emissions is presented to the user.

The present application relates to the technical field of ecological environment monitoring, in particular to a kind of ecological environment monitoring method and system along the expressway road area, the present application is according to vehicle speed, vehicle type and environmental parameter, the similarity of environment at different time is analyzed, and the driving similarity of different vehicles of the same vehicle type is obtained Predicted speed sequence and predicted traffic flow sequence of each vehicle in each monitoring area in prediction period;Further, in combination with neural network model, the predicted greenhouse effect gas content sequence in each monitoring area in prediction period is obtained;Then, by analyzing the consistency of the predicted greenhouse effect gas content in each monitoring area, the importance of each monitoring area is obtained, and the density of unmanned aerial vehicle in each monitoring area is adjusted. Through the present application, the density of unmanned aerial vehicle in each monitoring area of expressway can be timely regulated, thereby effectively improving the monitoring accuracy of ecological environment in each monitoring area of the whole line, while avoiding the monitoring error caused by sudden environmental change.

This invention relates to the field of waste incineration technology, specifically to a waste incineration treatment equipment with a dust suppression device. The equipment includes an incinerator and a dust collection box fixedly installed on one side of the top of the incinerator. A gas supply pipe is fixedly installed on one side of the dust collection box, and a purification box is fixedly installed on one side of the gas supply pipe. A dust suppression component is located at the top of the dust collection box. Air inlet pipes are fixedly installed on both sides of the top of the incinerator near the dust collection box, extending into the interior of the dust collection box. The dust suppression component can clean large particles such as dust from the smoke generated by incinerating waste and also cool the air produced by incineration. The gas after dust suppression enters the purification box through the gas supply pipe to purify toxic gases in the air, preventing toxic gases and dust particles mixed in with the smoke from causing air pollution and preventing the exacerbation of the greenhouse effect.

The invention discloses a greenhouse effect test device, and relates to the field of greenhouse effect tests, the greenhouse effect test device comprises a test box and a circulating air pump, two corresponding surfaces of the test box are respectively provided with an air inlet shell and an air outlet shell in a penetrating manner, and the air inlet end and the air outlet end of the circulating air pump are respectively connected with the air outlet shell and the air inlet shell; the annular gas pump is used for driving gas in the test box to be exhausted from the exhaust shell and circularly guided in from the gas inlet shell, a gas inlet grid plate and a gas exhaust grid plate are arranged in the gas inlet shell and the exhaust shell respectively, and a plurality of uniformly distributed gas holes are formed in the surfaces of the gas grid plate and the gas exhaust grid plate, so that the gas in the test box is conducted in a surface type convection manner; according to the invention, the gas circulating system is arranged to conduct gas in the test box, carbon dioxide or air is supplemented into the circulating system through the gas supplementing device, the carbon dioxide content in the test box is rapidly and uniformly controlled, the regulation and control speed is high, and the regulation and control uniformity is high.

The invention belongs to the field of power transmission, and particularly relates to a GIL pipe gallery sulfur hexafluoride discharging system. According to the GIL pipe gallery sulfur hexafluoride discharging system, through cooperation of the GIL pipe gallery, the sulfur hexafluoride discharging pipeline, the flow guide pipe, the sulfur hexafluoride detector, the discharging fan, the sulfur hexafluoride removing device and the like, when the sulfur hexafluoride detector detects that sulfur hexafluoride leaks, the sulfur hexafluoride removing device is started, the discharging fan is started, negative pressure is formed in the flow guide pipe, and the sulfur hexafluoride is discharged. Sulfur hexafluoride flows into the sulfur hexafluoride discharging pipeline from the flow guide pipe to be discharged, and the sulfur hexafluoride is removed when passing through the sulfur hexafluoride removing device, so that the sulfur hexafluoride is prevented from flowing into the atmosphere to cause the greenhouse effect, and the sulfur hexafluoride is prevented from depositing in the power transmission tunnel to cause potential safety hazards.

The present invention relates to an LNG frost suppression and efficiency-enhancing air-bath type gasification system utilizing a solar heat pump and air circulation. The refrigerant absorbs solar radiation and ambient heat to heat the air in the air supply pipe; the ambient air is dehumidified by the preheater and flows through the condenser to absorb the heat of the refrigerant, and then enters the wind hood to heat the LNG in the gasifier, the air is further dehumidified, and the cooled and dried air flows into the air supply pipe through the return air pipe to form an air circulation; a portion of the LNG flowing out of the storage tank enters the preheater, and by controlling the LNG flow rate, the LNG flowing out of the preheater is ensured to remain in a liquid state, and the preheated LNG is merged into the LNG flowing out of the storage tank; the wind hood equipped with tempered glass produces a greenhouse effect inside. The invention makes full use of the cold energy of LNG to reduce the moisture content of the circulating air, utilizes solar energy and air energy to heat the circulating air, and creates a microclimate suitable for the efficient operation of the air-temperature gasifier frost suppression, which is energy-saving and environmentally friendly, and has good economic and social benefits.