58results about How to "Improve the pollution situation" patented technology

A heat pump coupling contraflow type liquid-desiccant central ventilation system and control method thereof comprise a heat pump system and a liquid-desiccant and fresh air regeneration processing system, wherein the heat pump system comprises a compressor, a four-way directional control valve, a condenser, an evaporator and a throttle member; the liquid-desiccant and fresh air regeneration processing system comprises a fresh air processing module, a liquid regeneration module, a heat exchanger and a liquid pump; both the fresh air processing module and the liquid regeneration module are serially connected with the pipes by the two liquid heat exchangers through a liquid pool. The fresh air processing module is arranged in an indoor air inlet; the liquid regeneration module is arranged in an indoor air outlet to recycle the energy of the indoor exhaust wind. The invention adopts liquid-desiccant to process the fresh air of the air conditioner and removes the dust and the bacteria in the air through spraying the liquid so as to purify the air. The system can recycle the energy of the indoor exhaust wind, which reduces the energy for processing the fresh air; the heat pump is used for providing energy for the liquid to make use of the low-grade heat source.

The invention discloses an ice-storage cold-heat pump coupled multi-stage total-heat recovery fresh air processor, belonging to the energy source utilization technology and the air adjusting field. The processor consists of an air exhaust part, a fresh air processing part, a total-heat recoverer and a heat pump system. The heat pump system comprises a compressor, a condenser, a condensation heat recoverer, an evaporator and an expansion valve. The indoor low-temperature low-humidity exhaust air is used for exhausting the condensation heat quantity of a refrigerating system in summer; and the indoor high-temperature high-humidity exhaust air is used for exhausting the evaporation cold quantity of the refrigerating system in winter. The total-heat recoverer performs multi-stage total-heat recovery of fresh air and exhaust air so as to improve the heat recovery efficiency. The heat pump system provides necessary cold quantity and heat quantity to a fresh air processing system. The ice-storage cold provides the low-temperature frozen water to completely dehumidify the fresh air so as to achieve lower moisture content.

The invention relates to a multi-target run scheduling method for a micro-grid containing a hybrid energy storage system of an electric vehicle. The method is characterized by comprising the following steps of (1) constructing energy Internet on the basis of considering the electric vehicle as load and power generation units simultaneously and the combined heat and power heating benefit; (2) constructing a multi-target optimal scheduling model for the micro-grid containing the hybrid energy storage system of the electric vehicle according to the energy Internet and comprehensively considering economic and environment benefits to obtain target functions and constraints of the model; and (3) solving the multi-target optimal scheduling model for the micro-grid through an NSGA-II multi-target optimization algorithm to obtain a Pareto front solution, and obtaining an optimal run scheduling scheme for the micro-grid in 24 hours. In comparison with the prior art, the method has the advantages of good economic benefit and capabilities of improving the environment, reasonably distributing the output, carrying out peak load shifting and prolonging the service life.

The invention discloses a high-flux contamination-resisting type flat membrane bioreactor and a flat MBR (Membrane Bioreactor) device. The flat membrane bioreactor comprises an aerating box, at least two membrane boxes and at least two water collecting tubes, wherein the aerating box is provided with an aerating tube for supplying gas to the aerating box; one end of the aerating tube extends into the aerating box; the at least two membrane boxes are overlapped on the aerating box along the vertical direction; two adjacent membrane boxes are connected with each other; the aerating box is connected with the downmost membrane box; each of the membrane boxes comprises a frame and multiple flat membrane elements arranged in the frame at intervals; a water purifying space is defined in each flat membrane element; each flat membrane element is provided with a water-generating tube communicated with the corresponding water purifying space; the at least two water collecting tubes respectively correspond to the at least two membrane boxes one by one; each water collecting tube is connected with the water-generating tubes of the multiple flat membrane elements in the corresponding membrane box. According to the high-flux contamination-resisting type flat membrane bioreactor disclosed by the invention, the high-flux contamination-resisting type flat membrane bioreactor has the characteristics of high flux, excellent contamination-resisting performance, long service life and low cost.

The invention discloses a double-effect heat-pump type total-heat recovery fresh air processor, belonging to the energy source utilization technology and air conditioning field. The processor is composed of an air-air heat recovery device, an air exhaust part, a fresh air processing part, a heat recycler and a heat-pump system. The air-air heat recovery device has various types and materials (such as (1) diamond-shaped or hexagonal special paper core, (2) diamond-shaped or hexagonal aluminum core, (3) rotating wheel type, and (4) hot rod type); and the heat-pump part comprises a compressor, a condenser, an evaporator and a throttling valve. The indoor low-temperature low-humidity exhaust air is used for exhausting the condensation heat quantity of a refrigerating system in summer; and the indoor high-temperature high-humidity exhaust air is used for exhausting the evaporation cold quantity of the refrigerating system in winter. The air-air heat recovery device pre-cools or pre-heats the new exhaust air through the heat exchange; and the heat-pump system provides necessary cold quantity and heat quantity for a fresh air processing system.

The invention relates to a multi-target operation scheduling method for a micro-grid with an electric vehicle hybrid energy storage system. The micro-grid runs in a grid-connection mode and comprises a plurality of micro-sources and loads, wherein the loads include an electric load and a heat load; and the micro-sources include a micro-gas turbine, a fan, a photovoltaic cell, a fuel cell, a storage battery and an electric vehicle. The method comprises the following steps of S1: obtaining state information of each load and each micro-source in the micro-grid; S2: establishing a multi-target economic scheduling model with minimum running and pollutant control costs; S3: performing optimization solving on the multi-target economic scheduling model by adopting an NSGA-II multi-target optimization algorithm to obtain optimal active power of each micro-source; and S4: according to the optimal active power of each micro-source, controlling active power output of each micro-source. Compared with the prior art, the method has the advantages that the micro-grid consisting of a distributed power supply can run more economically, flexibly and environmentally, and the power generation advantage of the distributed power supply can be brought into full play.

The invention discloses an energy recovery double-cold-source high-enthalpy-difference energy storage fresh air handling unit. The unit comprises an air conditioning system, a heat pump system and an energy storage system; the air conditioning system includes a fresh air machine, an exhaust fan and an air total-heat recoverer; the heat pump system includes an annular close-connected compressor, a condensation heat recoverer, a condenser, an expansion valve, a direct expansion evaporator and an energy storage evaporator; the energy storage system includes an energy storage tank and a high-entralpy-difference surface cooler connected with each other; and the condensation heat recoverer, the direct expansion evaporator and the high-entralpy-difference surface cooler are respectively arranged on a fresh air channel. The unit largely reduces the operation cost by using the peak-valley price, provides low-temperature frozen water needed by deep dehumidification, increases the energy-efficiency ratio of the heat pump system through recovering the condensation heat, can improve the quality of indoor air through low-temperature cold sources and increment of the fresh air quantity, reduces the fresh air conditioning energy consumption by exhausting and heat recovery, and facilitates to save the energy and reduce the environmental pollution.

The invention relates to a heat pump regeneration rotating wheel type total heat recovery humidity-adjusting and temperature-controlling fresh air handling unit and a control method of the fresh air handling unit, belonging to the field of energy utilization technology and air conditioning. The fresh air handling unit consists of an air-air heat recovery unit, a dehumidification rotating wheel, an air exhaust part, a fresh air processing part and a heat pump system, wherein the heat pump system comprises a compressor, a condenser, a four-way reversing valve, a condenser, a condensation heat recoverer, an evaporator and a throttling part; the air-air heat recovery unit is utilized to carry out preliminary full heat recovery on new exhaust air, the condensation heat quantity of the heat pump system is utilized to carry out regeneration on the dehumidification rotating wheel, and an exhaust fan brings away the moisture adsorbed by the dehumidification rotating wheel; the evaporator of the heat pump system is utilized to carry out forecooling dehumidification on the fresh air so as to further carry out adsorption type dehumidification on the fresh air through the dehumidification rotating wheel; and a humidifier of the fresh air processing part is utilized to carry out humidification on the dry fresh air. The heat pump system provides the required cold quantity and regenerated heat quantity for a dehumidification system.

The invention discloses a twin-stage heat recovery large enthalpy difference dehumidification fresh air conditioner, and belongs to the field of energy utilization technology and air conditioning. The twin-stage heat recovery large enthalpy difference dehumidification fresh air conditioner comprises a fresh air ventilator, an exhaust fan, an air-air heat recovery device and a large enthalpy difference surface air cooler. A unit is divided into a fresh air channel and an exhaust channel, the large enthalpy difference surface air cooler in the fresh air channel is used for cooling and more thoroughly dehumidifying fresh air, a total heat recovery device is used for recovering total heat of the fresh air and exhaust air, and the fresh air is pre-cooled. A sensible heat recovery device is used for heating the fresh air with low dew point temperature and passing the large enthalpy difference surface air cooler and reducing relative humidity relative to the high-temperature exhaust air, and the cooled exhaust air is beneficial to pre-cooling the fresh air. An energy storage water cooling system provides low-temperature chilled water, and the fresh air is more thoroughly dehumidified. By the aid of the dehumidification fresh air conditioner, the treated fresh air can reach low moisture content needed by an independent temperature and humidity control system, and the total load of the fresh air, total latent heat load and part of sensible heat load of indoor air can be borne.

The invention relates to a cooling device for direct reduction iron. The cooling device comprises a cooling cylinder, wherein a gear ring is fixed on the outer circumference of the cooling cylinder; a transmission device is used for driving the gear ring to rotate; one end of the cooling cylinder is connected with a feeding hopper, and the other end of the cooling cylinder is connected with a kiln tail box; the lower end of the kiln tail box is provided with a discharging pipe; a water sleeve is fixed on the inner wall of the cooling cylinder; the discharging end of the feeding hopper is arranged in the water sleeve; a cooling water channel is formed between the outer wall of the water sleeve and the inner wall of the cooling cylinder; one end of the cooling water channel is provided a water inlet and a water outlet; and the inner wall of the water sleeve is provided with spiral fins. In the invention, a cooling cylinder shell is forcedly cooled by adopting water sleeve type high-speed water current, and the walking path of the direct reduction iron in the cylinder is controlled by using the spiral fins, so that the walking time of the direct reduction iron in the cylinder is prolonged, the cooling efficiency is greatly increased, the diameter and the length of the cooling cylinder are reduced, the equipment weight is greatly reduced, and the transmission power and power consumption of the equipment are lowered; and meanwhile, no steam is dissipated, so that the environmental pollution is improved greatly.

A method for fast emergency calculation of maximum pollutant load exceeding standard in river of small watershed is provided, which includes such steps as plotting the connection graph of flow rate, pollutant load and correspond proportion, calculating the maximum pollutant load of river in small watershed, calculating the maximum pollutant load of river in small watershed, calculating the maximumpollutant load of river in small watershed, calculating the maximum pollutant load of river in small watershed. (2) summarizing the actual load of pollutants entering the river within the accumulative monitoring period; 3) simultaneously calculating the maximum load of pollutants into the riv within the same period; (4) calculating the amount of pollutant reduction needed to enter the river, reducing the pollutant discharge of the polluting enterprises into the river or calculate the amount of water transfer, timely transfering water, and preventing the river reach from exceeding the standardof pollution, thereby realizing the river water environment protection. The method of the invention is novel, unique, easy to operate, accurate in measurement, and effectively solves the water environment protection of small watershed rivers (sections), and has remarkable economic and social benefits.

The invention provides vacuum processing equipment and a temperature control method thereof. The vacuum processing equipment comprises a cavity, a lining positioned inside the cavity, and a heater which is arranged inside the cavity and connected with the lining in a contact manner, wherein a gap is reserved between the lining and the cavity; preferably, the heater is positioned under the lining; and the upper surface of the heater is well contacted with the lower surface of the lining. In the vacuum processing equipment, the heater is arranged inside the cavity and connected with the lining in the contact manner, and the gap is reserved between the lining and the cavity, so the cavity and the lining can be subjected to temperature setting and control respectively by independently controlling temperature of the lining through the heater; for example, the temperature of the lining is set to be higher than an evaporating point of most byproducts generated by etching reaction, so attachment of the byproducts to the wall of the lining can be reduced and the fallen byproducts are pumped away by a vacuum pump; therefore, the pollution situation in the cavity can be improved, the maintenance frequency can be reduced and the yield of the equipment can be increased.

The invention relates to a magnesium smelting auxiliary device, in particular to a material charging and discharging device for the production of metal magnesium. The invention solves the problem of difficult charge and discharge of materials in magnesium smelting in the prior art. The device comprises a machine frame; both sides of the machine frame are provided with slide rails, both ends of the machine frame are provided with support frames with holes, the lower part of the machine frame is provided with support legs of which the lower parts are connected with wheels, and the upper part of the machine frame is provided with a gear box capable of sliding along the slide rails; the gear box is connected with a motor, and an output rotary gear of the gear box is connected with a material charging tube of which the edge of the outlet is sawtoothed; and the front end of the material charging tube penetrates one of support frames, the other support frame is provided with a top rod penetrating the support frame, and the top rod is arranged in the material charging tube. The device has the advantages of improving the pollution conditions in a manufacturing shop, shortening the material charging and discharging time, saving energy and increasing output in unit time.

The invention discloses a comprehensive recycling treatment method of domestic garbage in villages and towns. The method comprises the following steps: adopting a garbage sorting collection vehicle to collect putrescible organic garbage and other types of garbage in living areas of the villages and the towns, performing crushing and evenly-mixing pretreatment on the putrescible organic garbage, then performing aerobic static composting and screening after the compost is decomposed thoroughly and becomes stable; and performing compression pretreatment on the other types of the garbage, and then transporting to a garbage incineration power plant for disposal. The garbage compost product can be used for agriculture and forestry production or used as a soil improver for improving the soil manurial effect and the content of organic matters; and the garbage diversion is performed by composting, thereby significantly reducing the garbage incineration amount and reducing pollution risks, such as dioxin and the like. The reduction and harmless and recycling treatment of the garbage can be realized, the potential environmental pollution risk is effectively reduced and the significant social, economic and environmental benefits are realized.

The invention discloses a composite functional microbial preparation, and a preparation method and application thereof. The composite functional microbial preparation is prepared from the following components in parts by mass: 85-93 parts of attachment matrixes, 2-8 parts of basic nutrient solutions and 1-3 parts of composite microbial agents, wherein the composite microbial agents contain entomogenous verticillium agents, aspergillus oryzae agents, bacillus mucilaginosus agents and bacillus subtilis agents. The preparation method includes the steps of mixing the basic nutrient solutions withthe attachment matrixes, aging, and adding the composite microbial agents for fermentation to obtain the preparation. The preparation can effectively alleviate the toxicity of heavy metals in the plant rhizosphere soil, and can improve the soil structure and the plant root environment, enhance soil nutrition and promote plant growth; the preparation has the advantages of simple process, low production cost and the like, and can adapt to large-scale industrial production; the preparation provided by the invention can be used for promoting energy plant restoration of heavy-metal contaminated soil, thereby having good application value and application prospect.

The invention discloses a hemp stem core repairing agent repairing method for heavy metal contaminated soil, and particularly relates to the technical field of contaminated soil remediation methods, the method specifically comprises the following steps: step 1, preparing a hemp stem core biochar-based soil repairing agent: collecting hemp stem cores, crushing the collected hemp stem cores, putting the hemp stem core into a crusher for crushing. The hemp stem core is used as a main raw material of the repairing agent, hemp stem core biochar is applied to improvement and treatment of polluted soil, the special hemp stem core biochar-based soil repairing agent applied to treatment of the polluted soil is formed, the problem of heavy metal pollution of the soil can be well solved, the hemp stem core is turned into wealth from waste, and the soil repairing agent is environmentally friendly. The treatment cost of the heavy metal contaminated soil is reduced, waste resources are reasonably utilized, the environment is protected, and the method conforms to the law of ecological sustainable development.

The invention relates to a constructed wetland for interception and treatment of sewage at the outfall of a river channel. The constructed wetland comprises interception filtering net racks and an interception revolving door, wherein the interception filtering net racks, the interception revolving door and a river bank form sewage-intercepting internal treating space through enclosure; the interception revolving door just faces the outfall of the river bank; each of the interception filtering net racks is of an inner-outer double-layer net rack structure and is peripherally covered with a filter net cover; the interception filtering net racks are internally filled with filter packing; aquatic plants are planted on the filter packing; and a water body in the sewage-intercepting internal treating space is provided with a plurality of biofilm colonization packing materials, a plurality of slow-release carbon source supplementing tubes and a plurality of oxygen-increasing phosphorus-locking supplementing tubes. The constructed wetland of the invention can realize high-efficiency purification of pollutants in drainage, effectively reduce the content of nitrogen-phosphorus organic pollutants in the drainage and guarantees the flood discharge capacity of the outfall of the river channel.

The invention belongs to the technical field of fuel additives and particularly relates to a liquid fuel additive. The additive is prepared from, by weight, 10-25 parts of cleaning agent, 5-15 parts of propanediol butyl ether, 3-11 parts of methylsilicone oil, 2-9 parts of n-hexane, 2-8 parts of dioctyl phthalate, 2-7 parts of methyl cyclopentadiene, 1-8 parts of diethylene glycol dinitrate, 1-7 parts of butyl acetate, 1-5 parts of benzyl alcohol and 1-6 parts of dispersion agent. The liquid fuel additive effectively improves the power and the cetane number of fuel, improves diesel storage stability, improves combustion performance and combustion efficiency of fuel, and achieves energy conservation and emission reduction.

The invention relates to the technical field of agricultural soil flower fertilizer and in particular relates to flower fertilizer capable of enhancing the stress resistance and a preparation method of the flower fertilizer. The flower fertilizer is prepared from the following components in parts by weight: 50 to 70 parts of organic wastes, 15 to 25 parts of leaf mold, 10 to 20 parts of pine needle mulch, 5 to 8 parts of diatomite, 8 to 12 parts of bamboo charcoal powder, 15 to 25 parts of chitosan, 3.2 to 6.2 parts of enzyme bacteria, 5.1 to 8.2 parts of align, 8 to 12 parts of plant ash, 5.6to 10.2 parts of humic acid and 5 to 8 parts of sodium lignosulphonate. According to the flower fertilizer prepared by the preparation method, the enzyme bacteria, the align and the plant ash are added in a preparation process, and are mutually matched to take a synergistic effect, so that the permeability and the water retention performance of soil can be enhanced; meanwhile, the development ofa flower root system is accelerated, and the absorption capability on moisture and nutrients of the flower root system is improved; the stress resistance is improved and the quality of flowers is improved; the flower fertilizer prepared by the preparation method is an environment-friendly substance and does not cause pollution to soil environment, and an environment pollution environment can be improved after the flower fertilizer is used for long time.

The invention relates to the technical field of agricultural compound fertilizers and in particular relates to an ecological compound fertilizer capable of enhancing disease resistance and a preparation method thereof. The ecological compound fertilizer contains the following components in parts by weight: 50-60 parts of compound fertilizers, 30-50 parts of organic wastes, 45-55 parts of carboxymethyl starch, 15-18 parts of medical stone, 8-12 parts of kaolin, 8-15 parts of diatom ooze, 3-7 parts of humic acid, 10-15 parts of microbial strains, 3-6 parts of polyglutamic acid and 5-10 parts ofsodium lignin sulfonate. The ecological compound fertilizer prepared according to the invention has a certain slow release performance and effects of activating the biological activity, promoting rootgrowth of crops, accelerating decomposition of organic matters, providing rich nutrition, enhancing the disease resistance of crops and the like. The absorption of the crops on nutrient elements is promoted, the micro-ecological environment of soil is effectively improved, the microbial population in the soil is improved, the absorption of the crops on the nutrient elements is promoted, the quality of the crops is improved, stress resistance of the crops is enhanced, and soil fertility is improved.

The invention discloses a cement raw material powder distributor even in material distribution. The cement raw material powder distributor is mainly composed of a material scattering pipe and a material scattering part. The material scattering pipe is made from a heat-resistant steel plate and a refractory material, and the material scattering pipe is a connecting pipe. An upper end opening of theconnecting pipe and a decomposing chamber in a decomposing furnace or / and a feeding port of a preheater cyclone barrel lifting air pipe cavity coincide and are fixed, and the connecting pipe stretches to the decomposing chamber in the decomposing furnace or / and the middle in the preheater cyclone barrel lifting air pipe cavity from the upper end opening in a downwards oblique manner. The lower end of the material scattering pipe is connected with the material scattering part. The cement raw material powder distributor is simple in structure, raw materials are effectively conveyed to set depth, even material scattering is achieved, and the raw materials are subjected to full heat exchange; and harmful gas precipitation is reduced, meanwhile, air tightness is improved, and energy saving andenvironmental friendliness are achieved.

The invention belongs to the field of crop fertilizers, and particularly relates to a green ecological potash fertilizer and a preparation method thereof. The green ecological potash fertilizer is mainly prepared from a potash fertilizer, water hyacinth, phosphate ore and an active conditioner, and prepared by the following steps: firstly removing heavy metals from the water hyacinth, and then mixing the processed water hyacinth with the potash fertilizer and the active conditioner. According to the green ecological potash fertilizer, the water hyacinth is used as a main organic matter, so that the leaching loss of the potash fertilizer in the soil can be avoided, meanwhile, the soil is improved, soil hardening is reduced, the organic matter in the soil is increased, the microbial activity is improved, and the stress resistance and the disease resistance of the crops are improved; while the potash fertilizer is provided, the water hyacinth which has a certain negative effect on the environment is reasonably utilized, so that the environment burden can be reduced; the green ecological potash fertilizer is an environment-friendly ecological fertilizer which is safe and non-toxic to people and livestock, and environment-friendly.

The invention belongs to the field of crops fertilizers and in particular relates to an ecological functional phosphatic fertilizer and a preparation method of the ecological functional phosphatic fertilizer. The ecological functional phosphatic fertilizer is mainly prepared from phosphatic fertilizer, organic wastes and an ecological function conditioner; the organic wastes are treated firstly, and then are subjected to conjugation reaction with the phosphatic fertilizer under the existence of an active agent to form the ecological functional phosphatic fertilizer. The ecological functional phosphatic fertilizer adopts the organic wastes as main organic matters, the organic wastes are combined with the phosphatic fertilizer to increase the moving distance of the phosphatic fertilizer in the soil, the phosphatic fertilizer is prevented from being immobilized by metal ions such as iron ion, aluminum ion and the like in the soil, the soil can be improved, the soil aggregated structure is increased, the organic matters in the soil are improved, the soil caking phenomenon is improved, the microorganism activity is improved, the stress-resistant, disease-resistant, drought-resistant and water-retaining capacity of the crops is improved, while the phosphatic fertilizer is provided, the organic wastes can be reasonably utilized, the resources can be reasonably utilized, the environment burden is reduced and the ecological functional phosphatic fertilizer is environment-friendly.

The invention provides an energy-saving and low-humidity fresh air conditioner and belongs to the field of energy utilization techniques and air conditioning. The air conditioner comprises a fan, an air-air total heat exchanger, a surface-type heat exchanger and air valves. Low-temperature cold water surface-type heat exchanger and the air-air total heat exchanger are used for performing dew point dehumidification and heating dehumidification on fresh air in summer; the air valves are switched in winter, and the hot water surface-type heat exchanger is used for heating fresh air. The air-air total heat exchanger is used for performing total heat exchange and heating dehumidification on fresh air in different stages.

The invention discloses a preparation method of a soil remediation agent based on a phosphorus recovery product and a soil remediation method. The soil remediation method comprises the following steps that a, adding a nitrogen source and a magnesium source or a potassium source and the magnesium source into phosphorus-containing wastewater, adjusting the pH value of the wastewater to be higher than 7, colecting precipitates after precipitation reaction, and obtaining the phosphorus recovery product after drying; wherein the molar ratio of N or K : P : Mg is 10: 1: 1; and b, doping the phosphorus recovery product and plant ash into water-containing heavy metal contaminated soil, uniformly mixing, and completing soil remediation after a heavy metal passivation process. The phosphorus recovery product is used as a soil heavy metal passivator, the cation exchange capacity of the passivator in polluted soil is increased, release of phosphorus is promoted, the activity of heavy metal in the soil is reduced, meanwhile, the phosphorus recovery product has low solubility, soluble phosphate is replaced by the phosphorus recovery product, the problem of soil acidification during application can be reduced, phosphorus leaching can be reduced, and eutrophication of a surface water body is reduced.

The invention relates to a solar water heater, in particular to a solar heating control device which is provided with internal heating pipes, based on the superconducting technology and is not provided with a roof heat-insulating water tank. The solar heating control device comprises a heating mantle 2, heating pipes 3 and a control plate 5 and is characterized in that the lower end of a connecting pipeline is provided with the heating mantle 2 and the internal heating pipes 3; and the pipeline is connected with the control plate 5. Compared with the prior art, the invention has the advantages of preventing the roof water tank with excess load from influencing the heat insulation and the leak prevention and causing the potential safety hazard of buildings, improving the heat efficiency by using the internal heating pipes through the superconducting technology and obviously increasing the economic benefit. By the calculation of heat quantity required for heating water to 30 DEG C, the cost consumed by each ton of hot water of an electric and gas water heater is more than 30 Yuan, but the solar water heater only needs 10 Yuan. The invention is suitable for heating in family, catering industry, bathing industry and vegetable greenhouses, and the technology is easy to popularize.

The present invention discloses a low ratio methanol gasoline and a preparation method thereof, wherein the low ratio methanol gasoline comprises, by weight, 2-12 parts of methanol, 20-80 parts of an alcohol compound, 10-20 parts of an ether compound, 2-4 parts of ethylene glycol monobutyl ether, 0.8-2 parts of a phenol compound, 1-5 parts of di-tert-butyl phenol, and 80-100 parts of gasoline. According to the present invention, with the application of the low ratio methanol gasoline fuel, the solubility of carbon monoxide and hydrocarbons in the conventional vehicle tail gas emission is reduced so as to easily purify air and improve urban pollution situation.

The invention discloses a double-effect heat-pump type total-heat recovery fresh air processor, belonging to the energy source utilization technology and air conditioning field. The processor is composed of an air-air heat recovery device, an air exhaust part, a fresh air processing part, a heat recycler and a heat-pump system. The air-air heat recovery device has various types and materials (such as (1) diamond-shaped or hexagonal special paper core, (2) diamond-shaped or hexagonal aluminum core, (3) rotating wheel type, and (4) hot rod type); and the heat-pump part comprises a compressor, a condenser, an evaporator and a throttling valve. The indoor low-temperature low-humidity exhaust air is used for exhausting the condensation heat quantity of a refrigerating system in summer; and the indoor high-temperature high-humidity exhaust air is used for exhausting the evaporation cold quantity of the refrigerating system in winter. The air-air heat recovery device pre-cools or pre-heats the new exhaust air through the heat exchange; and the heat-pump system provides necessary cold quantity and heat quantity for a fresh air processing system.

The invention belongs to the field of crop fertilizers, and particularly relates to a green ecological potash fertilizer and a preparation method thereof. The green ecological potash fertilizer is mainly prepared from a potash fertilizer, water hyacinth, phosphate ore and an active conditioner, and prepared by the following steps: firstly removing heavy metals from the water hyacinth, and then mixing the processed water hyacinth with the potash fertilizer and the active conditioner. According to the green ecological potash fertilizer, the water hyacinth is used as a main organic matter, so that the leaching loss of the potash fertilizer in the soil can be avoided, meanwhile, the soil is improved, soil hardening is reduced, the organic matter in the soil is increased, the microbial activity is improved, and the stress resistance and the disease resistance of the crops are improved; while the potash fertilizer is provided, the water hyacinth which has a certain negative effect on the environment is reasonably utilized, so that the environment burden can be reduced; the green ecological potash fertilizer is an environment-friendly ecological fertilizer which is safe and non-toxic to people and livestock, and environment-friendly.