45results about How to "Save coal resources" patented technology

The invention discloses a material distributing screening machine, comprising a machine case (1), a forced fabric plate (2), a driving device (3), a filtering roller (4), a reducer motor (5) and an iron removing device (24), wherein the machine case (1) is provided with a feeding hole (6) and a plurality of discharging holes (10), the filtering roller (4) comprises a flange disk type roller (11) and a filtering rope type roller (12), the filtering roller (4) is provided with the driving device (3), the reducer motor (5) drives the filtering roller (4) to rotate by virtue of the driving device (3), and material enters from the feeding hole (6), is screened by the filtering roller (4) and is discharged by the discharging hole (10). The invention has the beneficial effects that: more than two materials in different grain sizes can be screened by setting different interstitial screen cuts, the working condition requirement for screening more than two materials can be met, screening efficiency is high, bulk material impact resistance is high, material is distributed more uniformly, no blockage is caused, and an iron piece contained in the material can be removed.

The invention discloses an energy consumption difference analysis method for load varying of an ultra-supercritical generating unit of a thermal power plant. The method comprises the steps of selecting eighteen operation parameters having a greater influence on the economy of the unit as analysis objects; applying a clustering method to the eighteen operation parameters to obtain an operation optimum condition: taking the operation optimum condition as a stable operation standard working condition, and selecting eighteen actual working conditions from a load varying range; taking eighteen parameter influencing factors as independent variables: establishing eighteen equations by taking the energy consumption difference between a single influencing parameter change value and a stable operation standard value as a coefficient of the parameter influencing factor and taking the energy consumption difference between an actual working condition and the stable operation standard working condition as a dependent variable, and finally solving to obtain eighteen parameter influencing factors; finally sequencing the eighteen parameter influencing factors to obtain a parameter having the greatest influence on the coal consumption level in a load varying process. Guidance basis is provided for determination of load varying velocity, load varying amplitude and stable stage time in the load varying operation of million of units, so that the aim of reducing the coal consumption in electricity generation in the load varying operation of the power plant is achieved.

The present invention relates to a pure smokeless coal-saving type external-combustion internal-cyclone heat-conducting oil-fired boiler. It is characterized by that the upper portion of its furnace body is heating zone, the interior of furnace body of heating zone is equipped with heat-conducting oil pipe, the top portion of said heating zone is equipped with a draught fan, the lower portion of said furnace body is coal-burning zone, said coal-burning zone is equipped with a coal-burning device, its coal-burning device includes coal-burning combustion device outside of furnace body and cyclone combustion device in the furnace body, said coal-burning combustion device includes coal-adding mouth. Besides, said invention also provides the concrete structure of said cyclone combustion device. Said invention can completely solve the problem of discharging black smoke by burning coal, and can save coal resource and raise heat efficiency.

The invention relates to wines and preparation methods of wines, in particular to a bamboo embryo wine and a preparation method of the bamboo embryo wine. The invention solves the problems that the wine making technology in prior arts requires brewing, storage, a plurality of utensils and large energy cost; and the resource waste is serious. The existing bamboo-related wine making technology also has the same problems as the wine processing is performed after bamboos maturity. The bamboo embryo wine and the preparation method of the bamboo embryo wine provided by the invention have convenient operation, reliable conversion, and high product recovery, and can meet the requirement of industrial production. The preparation method comprises the following steps: injecting wine into a cavity of the bamboo embryo; and further fermenting with bamboo juice secreted by the bamboo during the growth of bamboo embryo. The method in the invention replaces the Chinese traditional glass containers and porcelain containers with bamboo embryo, and fundamentally saves a number of glass mineral resources and a number of coal resources used for calcining utensils, thereby greatly reducing the discharge of carbon dioxide gas. The bamboo embryo wine by the invention has sweet and luscious mouthfeel, and abundant vitamins, amino acids and trace elements, and is rich in nutrients, and is suitable for promotion and application.

The invention provides a coal gasification fine slag granulation and blending combustion system. The system includes a mixing and stirring machine, granulation equipment and anhydration equipment. Themixing and stirring machine stirs and mixes coal gasification slag and a binder; the granulation equipment granulates the stirred and mixed coal gasification slag and binder to form particles; and the anhydration equipment dries the particles and transports the dried particles to a boiler for blending combustion, wherein the binder includes starch, amide and bentonite. According to the invention,when the blending combustion is carried out on the coal gasification fine slag granulation, the coal gasification fine slag granulation particles can be fully burned in the boiler by stirring and mixing the coal gasification fine slag granulation and binder and then granulating. The stability of the combustion of the coal gasification fine slag granulation particles can be ensured by angydratingthe particles formed by the granulation. the coal gasification fine slag can be ensured to form the clean particles with sufficient strength and the blending combustion cost can be ensured to be lessthan the combustion economic value by selecting the components of the binder, which facilitates the promotion of the blending combustion system.

The invention discloses a multi-fire head continuous balanced combustion method and a long-tube rotary stove derived therefrom, and belongs to coal combustion methods and coal stove utensils. The long-tube rotary stove can produce a dozen of fire heads, large fire and extremely strong firepower under the action of a fire combustion chamber. Compared with the conventional coal stove, the long-tuberotary stove has the advantages that: coal resources can be saved to the greatest extent; coal gas can be used to the greatest extent; combustion strength of the coal gas can be increased to the greatest extent; heat energy is utilized to the greatest extent; environmental pollution is greatly improved; the stove body of the new stove can combust the coal gas in a reverse direction after being turned 180 degrees; the long-tube rotary stove consists of components such as a stove plate, a middle fire cover, a coal support, a stove body, a fire combustion chamber, a lower fire cover and the like; the components are arranged on the stove body in sequence; the long-tube rotary stove is used for heating, cooking meals, sweeping snow and cutting ice; and an external combustion vehicle and a generator are driven by using the long-tube rotary stove, so that a generating power equipment system is greatly simplified.

The invention provides a technology for preparing dipotassium phosphate through a spray-drying method. The technology comprises the following steps: (1) carrying out neutralization reaction on potassium hydroxide and phosphoric acid in a reaction kettle; controlling the pH (Potential of Hydrogen) value of a finishing point of the reaction; (2) after concentrating a reaction solution obtained by step (1), conveying the reaction solution into a drying tower and carrying out spray-drying; (3) conveying clean air into a heat exchanger through an air blower, and carrying out heat exchange with hotair of a heating furnace; (4) conveying hot air of the drying tower and enabling the hot air to be in sufficient contact with a spraying material, so as to evaporate water instantly; enabling a solidproduct to fall down to a tower bottom in a powder form, and conveying through a conveying machine and packaging; (5) discharging and conveying the hot air in a spray-drying tower to a concentration kettle by an induced draft fan through a tail hot air outlet, and heating a concentrated material through tail air; conveying the concentrated material into the spray-drying tower; recycling residual liquid and emptying tail gas to realize energy recycling. The technology provided by the invention has the beneficial effects that the hot air exhausted by the drying tower is introduced into the concentration kettle to heat a concentrated reaction solution, so that 1/3 of coal resources are saved, the heat utilization rate is improved and the environment pollution is reduced.

The invention discloses a method for preparing synthesis gas by co-gasifying livestock and poultry waste hydrothermal carbon and pulverized coal. The method comprises the following steps: (1) airing livestock and poultry waste; (2) performing hydrothermal carbonization to obtain hydrothermal carbon; (3) adding water into the hydrothermal carbon, and pulping to obtain hydrothermal carbon slurry; and (4) respectively feeding the hydrothermal carbon slurry, the coal water slurry, the hydrothermal carbon slurry oxidant and the coal water slurry oxidant in the step (3) into a gasification furnace through respective runners of a multi-channel nozzle to obtain the synthesis gas. According to the method, pathogenic bacteria can be killed, organic matter in the waste is subjected to energy recoveryand cyclic utilization, the raw material treatment scale is large, the reaction conversion rate is high, environmental friendliness is achieved, and the technical possibility is provided for large-scale livestock and poultry waste treatment. According to the method, the poultry waste is subjected to resourceful treatment from the source so that a big problem of environmental governance is solved,coal resources are saved, and clean breeding of livestock and poultry and resourceful and clean utilization of the poultry waste are promoted.

The invention relates to a process and system for treating coal slime or sludge by using waste heat of a power station boiler. The process comprises the steps of feeding, wherein coal slime or sludge is purified, crushed and then conveyed into a drying machine to have the characteristic of being suitable for drying; drying, wherein hot flue gas of the boiler is introduced into the drying machine to serve as a heat source and makes direct contact with the coal slime or sludge for heat exchange so that the coal slime or sludge can be dewatered and dried; blending combustion, wherein the dried coal slime or sludge is conveyed into the boiler for blending combustion to realize final treatment of the coal slime or sludge; and drying waste gas treatment, wherein evaporated moisture in the drying machine is introduced into the boiler for combustion to prevent odor generated by sludge drying from leaking. According to the process, the coal slime or sludge is treated by utilizing the waste heat of the boiler in an environment-friendly manner, no odor leaks, the operation stability and reliability of a blending combustion system of the boiler are improved, the bunker coal resources of the boiler are saved, the energy conservation and emission reduction effects are obvious, and the pollution of the waste to the environment is eliminated.

The invention discloses a coal-saving combustion improver improving the coal combustion efficiency. The coal-saving combustion improver is prepared from an oxygen producer, a curing agent, a catalystand a main raw material. The coal-saving combustion improver is prepared from the components in percentage by weight: the oxygen producer: 10% of sodium chloride, the curing agent: 10% of epoxy resin,the catalyst: 5% of calcium carbonate, the main raw material: 60% of mineral powder, a synergist: 5% of a fuel gas synergist, and an enhancer: 10% of stearic acid. The raw materials are placed into amixer to be mixed and stirred, and the mixed material which is blended uniformly is ground to be powdery by using a grinder. The coal-saving combustion improver is formed through matching of variouskinds of raw materials, the raw materials are mixed at different ratios, 10% of coal can be saved by adding 1% of coal-saving combustion improver, the economic cost is reduced, the coal sources are saved, and the utilization efficiency of the coal is improved. The raw materials are mixed more sufficiently through forward and reverse rotation of stirring blades and design of multiple grinding procedures, the homogenization and the pulverization of the mixed material are ensured, and accordingly the good combustion effect is achieved.

The present invention relates to a smokeless coal-saving horizontal mechanical fire grate heat-conducting oil-burning boiler. It is characterized by that the upper portion of said furnace body is heating zone, the lower portion of said furnace body is hot gas supply zone, the interior of furnace body of heating zone is equipped with a heat-conducting oil pipe, the bottom portion of heating zone has a hot gas inlet, the top portion of heating zone is equipped with a draught fan; the hot gas supply zone has a coal-burning device, said coal-burning device possesses combustion furnace cavity, mechanical fire grate, coal-adding device and high-temperature gas outlet. Besides, said invention also provides the concrete structure of said combustion furnace cavity. Said invention is simple in structure, and can completely solve the problem of discharging black smoke by burning coal.

The invention discloses a preparation method of foamed light soil, and the foamed light soil. The foamed light soil comprises, by mass, 25-40% of an admixture, 40-65% of a cementing material, 3-21% ofa chemical auxiliary agent, 1-5% of an active silica-alumina substance material and camphanone-2 powder; and the cementing material comprises cement clinker, calcium oxide and bone glue powder, and the mass ratio of the three components in the cementing material is 2: 3: 1. The invention also discloses a preparation method of the foamed light soil. The preparation method comprises the following steps: premixing the raw materials; preparing a slurry; adding a foaming agent; forming a green body; and drying. The energy utilization shortage is effectively relieved, and the foamed light soil is high in strength, less in moisture, quick to dry, good in bonding and shaping and convenient to use.

The invention relates to a heating plate, and specifically relates to a heating plate with the solar heating function. The heating plate comprises a solar absorbing device and water pipes; the water pipes are spirally arranged in the heating plate; the solar absorbing device is arranged on the outer surface of the heating plate; heat transfer pipes connected with the solar absorbing device are arranged on the water pipes. The heating plate with the solar heating function has the advantages that the coating material for absorbing solar energy is arranged, the absorbed solar energy is transmitted to the spiral water pipes in the heating plate through the heat transfer pipes, and then the water pipes circle to radiate heat into a room, so as to achieve the indoor heating effect; therefore, the coal carbon resources can be effectively saved, and no pollution is generated to the environment.

The invention relates to a coal ash blending combustion and gasification process and system for a pulverized coal furnace. The process comprises the steps of 1, pretreatment and temporary storage of gasified coal ash, 2, pumping of the gasified coal ash, 3, preparation of gasified coal ash powder, and 4, gradient charging combustion of the gasified coal ash powder. In the step 1, impurity removal, separation prevention and temporary storage are carried out on the gasified coal ash, so that the gasified coal ash has characteristics suitable for pumping; in the step 2, the gasified coal ash is conveyed into a gasified coal ash pulverizing unit in a sealed manner through a conveying pump and a pipeline; in the step 3, by adopting a fuel gas heating or high-temperature steam heat exchange method, the outlet temperature of a coal mill and the inlet air volume are improved, and the gasified coal ash powder meeting the combustion requirement is obtained; and in the step 4, the gasified coal ash powder is fed into the pulverized coal furnace according to different proportions and fed into the pulverized coal furnace for mixed combustion in a layered and gradient manner. According to the coal ash blending combustion and gasification process and system for the pulverized coal furnace, blending combustion power generation of the gasified coal ash pulverized coal furnace is achieved, the operation stability and reliability of a blending combustion system are improved, the boiler coal-fired resources are saved, the energy-saving and emission-reducing effects are obvious, and pollution of waste to the environment is eliminated.

The invention relates to equipment for directly fabricating coal balls from pulverized coal, which comprises a first roller machine, a grinder and a second roller machine, wherein the first roller machine is used for directly compressing pulverized coal into sheet type coal, the grinder is used for receiving the sheet type coal and fabricating the sheet type coal into block-shaped coal, and the second roller machine is used for receiving the block-shaped coal and compressing the block-shaped coal into coal balls, a plurality of concave parts are arranged on the outer periphery of each roller in the second roller machine, and the concave parts on each two rollers are opposite. According to the equipment, pulverized coal with low water content is directly fabricated into coal balls, binding agent is not needed for addition, on one hand, the cost on fabricating coal balls can be saved, and on the other hand, plenty of coal resources can be saved by using the coal balls for coking.