998results about How to "Promote resource utilization" patented technology

Methods and apparatus are provided to enable aperiodic sounding reference signaling including frequency hopping through the use of additional RRC configuration. The methods can require little or no additional L1 overhead to support narrowband frequency hopping for aperiodic sounding transmissions. In some embodiments, an approach is provided for extending an LTE periodic sounding reference signal methodology to include aperiodic sounding. One benefit of the proposed technique is that it enables each UE to perform aperiodic channel sounding in sounding subframes, using a frequency-hopping pattern, in which the sounding bandwidth of the UE can be narrowed appropriately to match its link capability. Additional benefits of the new approach include better resource utilization, lower signaling overhead, faster channel information update rates, and lower blocking probabilities.

A path redundant, hardware efficient communications interconnect (1) has embodiments that can present true any-to-any interconnect capability for first and second pathways (2) and (3) and can utilize double throw switches (25) with or without single throw switches (24) perhaps in staged collectives of sub arrays (4), (5), (6), (9), and (10). A loop-back communications interconnect (22) can be accomplished by an interleaved sub array (26). A quadrilateral center stage sub array (21) can be combined with asymmetric side stage sub arrays for hardware savings that are tenths of a percent of a traditional interconnect and even present eight fold savings over prior reduced hardware interconnects.

The invention discloses a bamboo fiberboard manufacturing method adopting a modified soy protein bond. The method includes the following steps: 1) glue mixing: 1 part of polyoxypropylene glycerin ether is added to 88 parts of modified reagent solution, and then 10 parts of soy proteins are added; then the solution is stirred for 2 to 3 hours; then 1 part of potassium sorbate is added as antiseptic and the solution is evenly stirred; 2) gluing: the bamboo fibers and the modified soy proteins are evenly mixed; 3) hot-pressing: a water-content of the acquisition of the step 2) is regulated to 24 to 27 percent to get a plate blank; then the plate blank is hot-pressed for shaping so as to get the bamboo fiber board. The adoption of the method of the invention can realize non-formaldehyde production, thus enhancing the quality level of fiberboard products.

The invention discloses a harmless treatment method for urban garbage incineration fly ash. Due to the adoption of a treatment system and a method disclosed by the invention, heavy metals in incineration fly ash can be effectively stabilized and dioxin can be degraded; the leaching toxicity of heavy metals is fully accordant with the national standard; the toxicity of dioxin is removed by 99.9 percent; and meanwhile, the chloride ions in fly ash can be effectively removed, salt substances are recovered, and zero discharge of waste liquids is ensured. A process and the method have the remarkable characteristics of energy saving, environmental friendliness, remarkable economic benefit and remarkable social benefit; and meanwhile, the treated fly ash has novel physicochemical properties, canbe applied to the industries of environmental protection, construction and the like, and has application and popularization values.

The invention relates to a multi-effect ferment fertilizer prepared from agricultural wastes and belongs to the technical field of fertilizer processing and utilization. The preparation method of the multi-effect ferment fertilizer comprises the following steps: adding raw materials which comprise animal dung, crop straws and blackstrap into a fermentation pool and uniformly mixing, and adding water to immerse all raw materials; inoculating an activated EM strain and sealing to ferment; unclosing the fermentation pool at least 15 days before application, adding a proper amount of water and stirring and leaving to stand for 1-3 days; then inoculating the activated EM strain, stirring and sealing to ferment 3-5 days before application; and adding a proper amount of tea bran and fermenting till being applied. The multi-effect ferment fertilizer obtained comprehensively utilizes agricultural wastes, provides sufficient nutrients to crops and enhances the anti-disaster capacity of the crops, so that the soil fertility is improved and the economical benefit is increased; meanwhile, the multi-effect ferment fertilizer has an effect of eliminating insect pests and preventing straw turnover to generate insect pest, thereby providing an optimal scheme for straw turnover.

The invention discloses a method for preparing a tung oil-modified water-based insulating paint. The method comprises the following steps that: firstly, 100 parts of polyalcohol reacts with 20 to 40 parts of poly-acid and 10 to 20 parts of maleic anhydride at the temperature of between 160 and 200 DEG C for 1 to 2 hours under the protection of the nitrogen gas to give an esterified liquid; secondly, 25 to 35 parts of the tung oil and 50 to 60 parts of maleic anhydride are added into the esterified liquid to react 2 to 6 hours at the temperature of between 190 and 210 DEG C under the protection of the nitrogen gas to form the esterified liquid, 15 to 25 percent of organic solvent by weight is added into the obtained esterified liquid and the mixture is neutralized by organic amine until the pH value is between 7.0 and 8.5 to form a polyester resin liquid modified by the tung oil; and finally, 10 to 30 weight percent of etherified amino resin and 0.1 to 0.3 weight percent of peroxide are added into the tung oil-modified polyester resin liquid and the obtained product is stirred and blended the for half an hour to 1 hour at room temperature to form the tung oil-modified water-based insulating paint. When the insulating paint is used, water is added in the insulating paint, the mixture is stirred and diluted to form a product with a solid content of 30 to 40 weight percent and the pH value of between 7 and 8, and the product is coated on a conductor to be solidified into a paint film at the temperature of between 120 and 130 DEG C.

The invention discloses a solid-liquid separating device for kitchen wastes, which is used for the preliminary treatment of the resource utilization of the kitchen wastes. The invention can effectively separate the kitchen wastes into oil, water and solid matters and can further carry out separate treatment and decrement transportation to shorten the dwell time of the kitchen wastes from production to collection, transportation and treatment, control contamination at a source, reduce the loss of raw materials caused by rottenness and deterioration, and reduce the environmental pollution. The solid-liquid separating device for the kitchen wastes is of a totally sealed structure; and a main component comprises a feeding cylinder, an oil-water separator, a solid-liquid separator, a liquid storage tank, a transmission device, and the like. The invention has the advantages of simple structure, convenient operation, little power consumption, and the like, can effectively achieve the intermediate dehydration and the oil removal of raw materials of the kitchen wastes, and satisfies the demands on the post-treatment and the utilization of solid materials, thereby effectively improving the efficiency of the further resource utilization of the kitchen wastes.

The invention provides a method for preparing a rubber-plastic compound. A composite device containing normal-temperature millstone-type elastomer fine crushing machineries is utilized to carry out crushing treatment on a mixture containing formulas of thermosetting elastomer and plastic or / and thermoplastic elastomer, and the mixture comprises the following components in weight ratio: thermosetting elastomer sieved by a sieve with the aperture of 5-40 meshes: plastic sieved by a sieve with the aperture of 1-5mm or / and thermoplastic elastomer sieved by a sieve with the aperture of 1-5 meshes:filler: other adjuvants = 40-90:60-10:0-200:0-10. The invention comprises a method, the composite device for implementing the method, and rubber-plastic compound products produced by the method, wherein a regeneration rubber-plastic compound is included. The invention not only can enable the absorb filler operation to become clean, continuous, normal-temperature and energy saving in the process of preparing new rubber-plastic composite material, but also can enable mixed waste plastic difficult to be reused by the prior art to be conveniently used for high-valued recycling.

The invention discloses a method for simultaneously removing sulfur, niter and mercury from smoke based on catalytic oxidation. The method is characterized by comprising the following steps of: (1) arranging a catalytic reactor in a dust-removed smoke duct, wherein a catalyst for promoting oxidizing reaction of NO and HgO is filled in the catalytic reactor; (2) allowing the dust-removed smoke to pass through the catalytic reactor, wherein under catalysis of the catalyst, the reaction speed of the NO, the HgO and O2 is increased and the NO and the HgO are oxidized into NO2 and Hg<2+>; and (3) introducing the smoke subjected to catalytic oxidation into an absorber with an absorption solution, wherein the absorption solution is used for absorbing NO2, Hg<2+> and SO2 from the smoke. The invention also discloses a system applicable to the method. According to the method and the system, the sulfur, the niter and the mercury are removed from the smoke; external oxidant is not required to be added; preparation, transportation and storage of strong oxidant are avoided; operating cost is reduced; and economy and safety of the system are improved.

A recycling treatment method for feces and wastewater in a large-scale livestock and poultry breeding farm includes the following steps: (1) pre-treating the feces and wastewater in the large-scale livestock and poultry breeding farm in a pretreatment unit to form slurry; (2) feeding the slurry into an energy recovery unit, and performing solid anaerobic digestion in a solid anaerobic reactor to obtain an energy gas, methane; (3) performing solid-liquid separation to the digested slurry to generate wastewater, which is then fed into a UASB reactor to perform further anaerobic fermentation to remove organic pollutants from the wastewater; (4) feeding the treated wastewater into a nitrogen and phosphorus removal unit to perform nitrogen and phosphorus removal treatment; (5) separating and purifying a precipitate, which is generated in the nitrogen and phosphorus removal unit and mainly includes magnesium ammonium phosphate, to obtain an organic fertilizer additive, wherein the nitrogen removal process is autotrophic nitrogen removal and can reduce aeration quantity by 62.5% without addition of any carbon sources, thus saving large quantity of operation cost; and (6) feeding the treated wastewater into a deep-treatment unit to remove bio-refractory substances and disinfect the wastewater so as to finally reach emission and recovery standards of wastewater.

The invention discloses a comprehensive recycling method for a limonite containing nickel, which is characterized by including the following steps: pressurizing and leaching are carried out on the ore material particles of the limonite containing nickel by using a mixed liquid of vitriol and nitric acid as a medium so as to prepare a leaching liquid; aluminum hydroxide, nickel hydroxide, cobalt hydroxide and magnesium hydrate are respectively deposited through using CaO or lime hydrate as a neutralizing agent and controlling the different pH values of the leaching liquid. The method realizes the comprehensive utilization of nickel, cobalt, aluminum, magnesium and iron in the limonite containing nickel; a pressurizing and leaching technique is adopted in a vitriol plus nitric acid medium; the leaching temperature and the leaching pressure are low, wherein, the iron is deposited into the slag in a hematite form, thus effectively inhibiting the leaching of the iron; the settlement performance of a soaked ore slurry is good; liquid-solid separation is easy; the CaO or the lime hydrate is adopted for depositing the aluminum, nickel, cobalt and magnesium by steps; and the leaching agent of the nitric acid can be recycled. The method has the advantages of high operating factor of resources, low energy consumption, environment friendliness, and the like.

The invention relates to a method for improving acid production quality and acetic acid proportion in anaerobic fermentation of residue active sludge. The method comprises the following steps of firstly, adding calcium peroxide into concentrated residual sludge in a wastewater treatment plant, wherein adding amount of the calcium peroxide is 5%-20% of the weight of the volatile suspended solid in the residual active sludge; then, sealing at 30-40 DEG C, carrying out anaerobic digestion in an anaerobic digestion tank with stirring speed of 100-200rpm, wherein the anaerobic digestion time is 5-10 days. The result indicates that calcium peroxide can promote dissolution of particulate organic substances, can improve acidification degree of deliquescent organic substances and can inhibit a methane production process, so that accumulation of volatile short-chain fatty acid is facilitated and transformation of other acids to acetic acid is promoted; meanwhile, a plurality of harmful organic substances in the sludge are effectively removed, so that the acid production quality in anaerobic fermentation of the residue active sludge is improved. The method disclosed by the invention is simple to operate and gentle in reaction condition, is used for recycling and carrying out harmless disposal on the concentrated residual sludge of the sewage treatment plant, and has very good economic and social benefits.

The invention relates to a mud drying system and a use method thereof. The mud drying system comprises a transcritical heat pump auxiliary heat supplying loop, a heat pump auxiliary heat supplying loop, an air heating and waste heat recovering loop and a hot water circulation loop; the transcritical heat pump auxiliary heat supplying loop comprises an evaporator, an internal heat exchanger, a compressor, a gas cooler and a throttle valve; the heat pump auxiliary heat supplying loop comprises an evaporator, a wastewater and waste heat recovering evaporator, an internal heat exchanger, a compressor, a condenser, a throttle valve, two stop valves and a wastewater tank; the air heating and waste heat recovering loop comprises a hothouse, an air compressor, a gas discharging and carrying port, a first evaporator, the other evaporator and a condenser; and the hot water circulation loop comprises a pump, a hothouse and the condenser in the heat pump auxiliary heat supplying loop. The invention adopts the hothouses to obtain solar energy to heat mud and utilizes the transcritical heat pump auxiliary heat supplying loop and the heat pump auxiliary heat supplying loop to recover the sensible heat and the latent heat in humid air to heat mud, thereby lowering the energy consumption for drying the mud. The invention can be widely applied to various mud processing fields.

The invention relates to a method for extracting ammonium and modifying electrolytic manganese residue, and belongs to the field of environmental protection. The method comprises the steps: mixing the electrolytic manganese residue with one or more of quick lime, slake lime, carbide slag, steel slag, red mud or other alkaline slag, and heating and calcining the mixture under the condition of 200 to 500 DEG C. By adopting the method, the disadvantage that pollutants are formed in the heating process of the electrolytic manganese residue containing two volatile gases such as nitrogen and sulfur can be ingeniously avoided, the cementitious activity of the heated modified electrolytic manganese residue can be remarkably improved, and the modified electrolytic manganese residue can be used in cement factories, brick factories, concrete mixing plants and the like; more favorable advantages are as follows: the nitrogen element in the electrolytic manganese residue forms ammonia gas which is prepared into ammonia water to be recycled, and the sulfur element is cured in the residue in a form of calcium sulfate to be used as a beneficial cement excitant or retarder component. By adopting the process, the economical performance and environmental friendliness of an electrolytic manganese residue pretreatment method can be improved, an important significance for the recycling of the electrolytic manganese residue in China can be realized, the application prospect is wide, and the market value is vast.

The invention discloses a livestock and poultry feces organic fertilizer fermentation compound functional package, which comprises a compound functional package A and / or a compound functional packageB. The compound functional package A comprises a compound microbial agent, a compound enzyme preparation, humic acid, white spirit vinasse powder and zeolite powder; the compound functional package Bcomprises isomaltooligosaccharide, molasses meal, monopotassium phosphate, magnesium sulfate, ferrous bisglycinate, manganese bisglycinate, bamboo vinegar powder and citric acid. The package A and thepackage B are combined, the fermentation speed can be greatly increased, quick heating deodorization and thorough decomposition can also be achieved in the low-temperature season, diseases and insect pests and antibiotic residues can be effectively removed, the quality is stable, the quality guarantee period is long, and practicability is high. The invention further discloses a preparation method and application of the compound functional package, the compound functional package is used for livestock and poultry feces organic fertilizer fermentation, the harmless treatment efficiency is high, resource utilization is high, an obtained organic fertilizer product is high in functionality and comprehensive in nutrition, and has no toxicity, stink, harm and pollution, and the organic fertilizer use standard requirement is met.

The invention relates to a method for extracting indium and zinc from high-iron indium-containing zinc calcine and preparing iron oxide. A zinc ferrite structure in the high-iron indium-containing zinc calcine is damaged by reduction roasting, elements such as zinc, iron and indium in the reduced calcine are obtained by neutral leaching and acid leaching, indium-rich slag is obtained by neutralization for precipitating indium, the iron grade of slag obtained by removing iron from hematite under high pressure is high, an industrial iron oxide product can be obtained by acid washing and roasting, and liquid obtained after the iron is removed can be directly purified and electrolyzed after being neutralized by smoke. A technical route of maximally extracting base metal such as the indium, the zinc and the like and recycling associated iron minerals simultaneously is provided, and the problems that the recovery rate of the indium is low and the iron cannot be recycled in the process of smelting a high-iron indium-containing zinc concentrate at present are solved; and a clean production technology which combines effective extraction of the base metal with effective utilization of associated iron is provided for treating the indium, the zinc and other high-iron non-ferrous metal materials.

Apparatus and methods for hardware assisted scheduling of software tasks in a computer system are disclosed. For example, a computer system comprises a first pool for maintaining a set of executable software threads, a first scheduler, a second pool for maintaining a set of active software threads, and a second scheduler. The first scheduler assigns a subset of the set of executable software threads to the set of active software threads and the second scheduler dispatches one or more threads from the set of active software threads to a set of hardware threads for execution. In one embodiment, the first scheduler is implemented as part of the operating system of the computer system, and the second scheduler is implemented in hardware.

A policy change management scheme for network resource management through dynamic policy adaptations especially suitable for DiffServ-enabled MPLS networks is presented. The scheme incorporates automated resource adaptation capabilities to assure QoS for user traffic and to promote resource utilization in DiffServ-enabled MPLS networks. A suite of resource management policies, an ordered set of methods for adjusting policies, and interfaces to a companion policy-based network management system are provided. The policies are periodically adjusted based on predictive bandwidth estimation algorithms ensuring optimal resource allocation to individual service classes and enabling adjustment of resources for handling current traffic and traffic expected for the near future. Resource allocations to individual service classes are adapted through policy changes when bandwidth utilization deviates from normal level or congestion exists in one or more service classes, allowing corrections to abnormal allocation of resources in incipient phases of congestion.

The invention discloses a rainwater collection and water-saving irrigation system used for an upland sloping field. The system comprises a rainwater collection pond or weir, a high-position water storage reservoir, a plurality of low-position water storage reservoirs, a water pump and a water conveying pipe, wherein the rainwater collection pond or weir is arranged on the middle part or lower part of a valley; the high-position water storage reservoir is arranged on the upper part of a hill body with maximum height in each hill body close to the rainwater collection pond or weir; the plurality of low-position water storage reservoirs are arranged on each hill body at the periphery of the high-position water storage reservoir respectively and are lower than the high-position water storage reservoir; the water pump is arranged beside the rainwater collection pond or weir; a water inlet of the water pump is connected with the rainwater collection pond or weir, and a water outlet of the water pump is connected with the high-position water storage reservoir; and the water conveying pipe is laid between the high-position water storage reservoir and each low-position water storage reservoir. By using the rainwater collection and water-saving irrigation system, surface runoff water produced by rainwater is accumulated in the rainwater collection pond or weir, water in the rainwater collection pond or weir is lifted to the high-position water storage reservoir by the water pump, water of the high-position water storage reservoir is conveyed to each low-position water storage reservoir through the water conveying pipe respectively, and water accumulated in each low-position water storage reservoir is used for irrigation when the irrigation is needed.

The invention discloses a method for preparing a high-purity calcium sulfate dihydrate crystal whisker by using a metallurgic flue gas desulfurization gypsum recrystallization process. The method comprises the steps of pickling metallurgic flue gas desulfurization gypsum to remove a small deal of calcium carbonate or calcium oxide and soluble impurities; dissolving the gypsum by using a salt-containing acid solution to obtain a product used as a raw material for preparing the high-purity calcium sulfate dihydrate crystal whisker; adding a medium crystal agent to control the controllable growth of a calcium sulfate crystal whisker to form a calcium sulfate crystal whisker with controllable length-to-diameter ratio and complete crystal appearance, filtering and drying to obtain the calcium sulfate dehydrate crystal whisker. The recycling of the high-added-value calcium sulfate crystal whisker prepared from the metallurgic flue gas desulfurization gypsum is realized under normal-pressure and mild conditions according to the recrystallization principle. The raw material adopted in the method is available, the production process condition is simple, the added value of the high-purity crystal whisker is high, and the produced calcium sulfate dihydrate crystal whisker has the characteristics of small diameter, high length-to-diameter ratio, complete and uniform appearance and stable performance, can be used as a reinforcing material to be applied to an additive for industries such as plastics, rubber, papermaking, ceramics and the like and has a wide application prospect.

The invention relates to a two-section rotation oxygen-enrichment external heating oxidation technology and device for dry-method and semi-dry method desulfurized ash. A two-section type rotation oxidation kiln is adopted, oxygen is introduced into the kiln and heating is implemented by adopting an external heating furnace, so that the oxidizing process for converting CaSO3 in the desulfurized ash into CaSO4 is completed. Compared with the prior art, the technology and the device have the benefits as follows: (1), during the oxidation of the desulfurized ash in the oxidation kiln, stable oxidation time, balanced oxidation temperature, sufficient oxygen content and appropriate oxidation atmosphere are realized, the technical measures such as automatic control, surplus heat utilization, dust removal and environment protection are adopted, so that the low-cost oxidation and industrialized production are realized; (2), the provided systematic desulfurized ash oxidation production line is suitable for the industrialized and large-scale production requirements; (3), the processing parameters such as oxidation temperature, time and oxygen content are controlled through a PC (Personal Computer), so that the appropriate oxidation conditions are ensured; (4), the promotion of the development of a dry-method and semi-dry method desulfuration technology is facilitated; (5), the resource utilization of the desulfurized ash is realized, and the energy conservation, emission reduction and environment protection are facilitated.

The invention relates to a method for quickly calibrating multi-level forwarding load balance of a multi-level forwarding network and a multi-level forwarding network system based on the method. Except the forwarding node of the last level, each forwarding node of each level monitors the load state of each forwarding node of the next level, determines the forwarding priority according to the load weight of the forwarding node of the next level, and preferentially forwards the data which needs to be forwarded to the forwarding node with the lightest load of the next level; if high-priority forwarding fails, the secondary-priority forwarding nodes are sequentially selected to forward the data; the forwarding nodes sending the data form a forwarding source node; and the nodes receiving the data form a forwarding destination node. Through the method and system provided by the invention, the load balance among the forwarding nodes as well as the detection and processing on the link and network system conditions are realized so that the resource utilization of the entire network system is optimized; and the core algorithm of the method can also be used for performing load balance at a server end.

The invention discloses a method for utilizing comprehensive resource of sulfur-containing solid waste, which comprises the following steps: (1) pyrolyzing sulfurous iron ore to obtain pyrrhotite and an elemental sulfur product; (2) mixing the pyrrhotite, a carbon-containing substance and a calcium-containing substance to carry out reduction reaction under a high temperature to obtain a solid mixture of elemental iron and calcium sulfide; (3) magnetically separating the solid mixture, and separating and recovering the solid mixture to obtain the elemental iron; (4) mixing and heating the solid containing the calcium sulfide and dehydrated gypsum to obtain tail gas containing SO2 and solid containing calcium oxide; and (5) separating the tail gas containing the SO2 through liquefying to obtain a liquid SO2 product, and using the solid containing the calcium oxide as the calcium-containing substance to participate in the reaction of the step (2) and as flue gas desulfurizing agent for cyclically utilization. The method solves the problems of occupied floor due to the stacking of desulfurization gypsum and coal washing sulfurous iron ore, environment pollution and potential safety hazard, makes full use of calcium, sulfur and iron resources rich in the wastes, and can realize recycling economy and clean production.

The invention discloses a method for simultaneously removing PM2.5 particles, SO2 and NOx of smoke gas and reclaiming byproducts. The smoke gas to be treated is introduced to a pulse corona electric field and absorption liquid is sprayed to purify the smoke gas at the same time; the pulse corona electric field is produced by an acicular corona wire connected with negative pulse high voltage and a netty metal electrode connected with positive pulse voltage; the absorption liquid is sprayed on the netty metal electrode to form liquid film; after the PM2.5 particles are charged, the PM2.5 particles move to the liquid film by electrostatic force and are adsorbed and caught by the liquid film; vapor and oxygen of the smoke gas are decomposed into O, OH, O3, HO2 and other oxidative free radicals; SO2 and NO of the smoke gas are oxidized into high valent state substances which are easy to absorb; subsequently, the substances are absorbed by the absorption liquid; and the reacted absorption liquid is crystallized through sensible heat drying of the smoke gas to be treated to generate reclaimable byproducts. The method realizes simultaneous removing of the PM2.5 particles, SO2 and NOx of the smoke gas and recycles the removed byproducts.

The invention discloses a method of utilizing polluted soil and industrial sludge to prepare ceramsite. The method includes following steps: (1), screening heavy metal polluted soil, mixing with industrial sludge after being smashed and screened, adding water to adjust water content, and granulating; (2), putting blank balls formed after granulation at the tail of a rotary kiln for moisture drying and removing, and transferring the blank balls into a rotary kiln body, and heating the blank balls at 600-800 DEG C for 50-80min to complete preheating of the blank balls; (3), transferring the blank balls into a high-temperature kiln head section after preheating is completed, roasting at 1300-1500 DEG C for 10-60min, and discharging and cooling. Existing ceramsite roasting kiln facilities are utilized, recycling feasibility of two major kinds of waste is realized after process improving, and two major pollutants including the heavy metal polluted soil and the industrial sludge can be eliminated and can be prepared to obtain ceramsite.

The invention discloses a grain-saving type feed replacing the grain to deduce the greenhouse gasses, which is mainly composed of a lees and / or Jerusalem artichoke, drugs reducing the emission of animal waste gas, straws, grazing, tree or normal feeds. The invention, besides suits the normal feeding, is also applicable for multi-functional grain-saving type ''carbon culture'' and ''lees or Jerusalem artichoke;; feed, fuel and ethanol industrial integrating livestock breeding, forest industry and firedamp with compact shaped fuel as ''alcohol to gasline'', ''ordure to electricity'', ''fart to cylinder gas'', ''branch to coal'', ''forest to meats'' co-produced meat, eggs and milk, ethanol and canned firedamp. Farmers, besides using feeding with castoff and planting trees and grasses to resolve the meat demanding in China, also can become the industrial worker for planting ''energy'' by conducting the multi-functional production for reducing the greenhouse gases, which is beneficial for the reusing the castoff, promoting the construction of the energy forest and fast-growing and high-yield plantation with low cost, small investment, simpleness and practicability and conforms to the harmonious circulation between human and nature.

The invention requests to protect a drainage system used in cities, towns and communities, which is formed by connecting at least a co-line divided-flow dual-layer drainage pipe and channel or a common drainage pipe and channel with a rainwater-sewage compound dual-layer manhole. An intercepting rainwater-sewage compound dual-layer drainage manhole can be arranged on the drainage system accordingto the requirement so as to realize that the initial surface runoff is intercepted into a sewage pipe and channel and is delivered to a sewage treatment plant to be treated, and a non-intercepting rainwater-sewage compound dual-layer drainage manhole can be arranged according to the requirements of direction change, gradient change, connector change, pipe and channel intersection, examination andrepair of linear pipes and channels every certain distance and other special purposes. The drainage system can realize individual delivery and drainage of the rainwater and sewage by layers on the same pipeline and has the characteristics of simple pipelines, few manholes, low investment, operation and maintenance cost, capability of reducing the pollution effects of first rain runoff in an economic and effective manner, and no rainwater-sewage interflow and overflow water pollution, etc.