80 results about "Pyrolant" patented technology

The invention provides composite fuel using oil-containing sludge and a preparation method thereof, relates to composite fuel and a preparation method thereof and belongs to the field of composite fuel preparation. The composite fuel and the preparation method aim at solving the technical problem that existing oil-containing sludge contaminates the environment. The composite fuel using oil-containing sludge is prepared from the oil-containing sludge, auxiliary fuel, an adhesive, a curing agent and a combustion improver. The preparation method includes the steps that the oil-containing sludge, the auxiliary fuel, the adhesive, the curing agent and the combustion improver are mixed, stirred, dehydrated, smashed, set and dried, and the composite fuel is obtained. The composite fuel using the oil-containing sludge and the preparation method belong to resource utilization of the oil-containing sludge. The problem about use of the oil-containing sludge is solved. Meanwhile, the heat value in the oil-containing sludge is utilized, the aim that harmful components in the oil-containing sludge are harmless is achieved, waste is turned into wealth, and products with additional value are produced. Investment is little, the composite fuel takes effect quickly, cost performance of the product is high, operation is easy, and the composite fuel has large competition advantages.

The invention relates to a shale reservoir methane in-situ multi-stage pulse energy-gathering blasting fracturing method. The method is suitable for fracturing and permeability increasing of a deep shale reservoir to increase extraction of shale gas. A perforating gun is used for energy-gathered perforation to generate an energy-gathered slot in the well wall of a horizontal well, the position of an energy-gathered blasting pipe is adjusted to enable an energy-gathered hole to correspond to the energy-gathered slot, after in-situ desorption methane of a shale reservoir reaches the blasting concentration, ignition is carried out to release a combustion improver, first-stage blasting fracturing is carried out through high-temperature and high-pressure gas generated by synergistic blasting of the combustion improver and methane gas, and then methane continues to be desorbed to reach the blasting concentration, secondary ignition is carried out to release the combustion improver to carry out secondary blasting fracturing, multi-stage pulse energy gathering blasting fracturing is carried out on the shale reservoir in a circulating and reciprocating mode, the blasting-fracture mutual promotion fracture forming process is formed, and relay type deep-penetration large-range fracture forming is achieved. The method does not need to consume a large amount of water resources, desorbs methane in situ, does not have the processes of overground transportation, underground putting, mixing and the like, and has very obvious advantages of safety, economy and environmental protection.

The invention relates to a clean fuel, in particular to a coal-based composite domestic fuel so as to solve the problem that existing domestic fuel oil has a lot of disadvantages. The composite domestic fuel is composed of light coal tar, methanol, a dispersing agent, a corrosion inhibitor, and a combustion-supporting agent. The light coal tar is the distillate distillated from coal tar during fractional distillation under a temperature below 280DEG C, and has a density of 0.91-0.99g/ml. The dispersing agent is any of polyisobutylene succinimide, phosphoric acid amide, alicyclic amine, and succinimide or a mixture of several of them in any proportion. The corrosion inhibitor is any of oleic acid glycol ester, N, N-bis(salicylidene)-propanediamine, benzotriazole, 2, 6-di-tert-butyl-p-cresol or a mixture of several of them in any proportion. The combustion-supporting agent is any of calcium naphthenate, magnesium naphthenate, iron naphthenate, and ferrocene or a mixture of several of them in any proportion. Being easy to ignite, the composite domestic fuel provided in the invention has good atomizing performance, more sufficient combustion, as well as higher thermal efficiency, the smoke blackness and other emission indexes all meet the requirements, and the economic effects are more significant.

The invention relates to an environmentally-friendly energy-saving combustion improver for coal, comprising the following components in parts by weight: 1-50 parts of sodium chloride, 20-60 parts of sodium hydroxide, 20-60 parts of sodium carbonate, 20-50 parts of potassium carbonate, 20-40 parts of potassium nitrate, 15-60 parts of manganese dioxide, 25-75 parts of barium hydroxide, 30-80 parts of nickel oxide, 20-60 parts of magnesium sulphate, 50-100 parts of magnesium nitrate, 30-80 parts of strontium hydroxide and 30-50 parts of calcium carbonate. Multiple tests show that: combustion time of coal is prolonged, the coal can be completely combusted, and ignition temperature is reduced, thus the coal is difficult to coke, coked substances in a container are eliminated, and dust and smoke are eliminated and desulphurization is carried out, thus the coal is fully burned, the thermal efficiency is improved, non-metallic elements such as sulphur in the coal burning are effectively deposited into the coal, emission of harmful gas in acid gases such as nitric oxide and sulphur dioxide and the dust is reduced, and environmental pollution is reduced. Thus the aims of protecting the environment and saving energy sources are achieved. The environmentally-friendly energy-saving combustion improver is convenient, safe and reliable to use and has obvious economic benefit and social benefit.

The invention discloses a bottom-blowing and side-blowing molten pool reducing furnace for liquid state high lead slag. The bottom-blowing and side-blowing molten pool reducing furnace for the liquid state high lead slag comprises a furnace body and support bases arranged on the two ends of the furnace body. The outer wall of the furnace body is fixedly provided with rolling rings. The furnace body can be rotatably installed on the support bases through the rolling rings and is driven to rotate by a driving device. The top of the furnace body is provided with a smoke outlet opening, a first material-adding opening and a second material-adding opening from left to right in sequence. The lower part of a side plate of the right end of the furnace body is provided with a slag-discharging opening. A reducing spraying gun device is arranged at the bottom, under the first material-adding opening, of the furnace body. A heating spraying gun device is arranged below the second material-adding opening. The heating spraying gun device is located on the side wall of the furnace body and arranged close to the slag-discharging opening. According to the bottom-blowing and side-blowing molten pool reducing furnace for the liquid state high lead slag, fuel and combustion improver are sprayed from a heating spaying gun into a slag layer of a molten pool, on the one hand, lead oxide of the slag layer is further subjected to reduction reaction, the lead content rate of the slag is decreased, and the direct recovery rate of lead is increased; and on the other hand, the temperature of the slag layer of the molten pool is improved, the slag is conveniently discharged, meanwhile, the distance of the spraying gun and the slag-discharging opening is shorted, the temperature of the molten poll is reduced, and the consumption of energy is reduced.

The invention discloses an underground coal gasification deep hole ignition system and method. The system is characterized in that one end of a double-sleeve gas conveying pipe extends out of an ignition hole, the outer pipe of the end is connected with an oxygen supply device and/or an air supply device, and the inner pipe of the end is connected with a spontaneous-combustion-agent conveying device and a combustion-supporting-agent conveying device; an ignition device comprises an outer sleeve, an inner sleeve, a nozzle seat and at least three ignition nozzles, the outer sleeve and the inner sleeve are respectively connected with the outer pipe and the inner pipe of the double-sleeve gas conveying pipe, and the lower portion of the inner sleeve is fixedly connected with the nozzle seat; the circumferential direction of the inner sleeve is provided with threaded through holes which are arranged in an equal-distance manner and are adaptive to the ignition nozzles in number and position, and one end of each ignition nozzle is mounted at the corresponding threaded through hole; a corresponding hole is formed in a position, corresponding to the position of the other end of each ignition nozzle, of the outer sleeve, and a gap is formed between each hole and the end face of the corresponding ignition nozzle; the bottom of the outer sleeve is sealed, and metallic sodium wrapped by paraffin is placed at the bottom of the outer sleeve; the top of the ignition hole is selectively sealed by a pipeline, and the pipeline is provided with a pressure gauge and a valve.

The invention discloses a mechanical continuous feeding gasification furnace which uses spherical or rod lump material products which are mixed and compacted by humic acid soil or mixed split coal or washing coal rock refuse which takes up 80 to 89 percent of the total weight, a combustion improver which takes up 1 to 5 percent of the total weight, a catalyst which takes up 4 to 9 percent of the total weight and water which takes up about 5 to 10 percent of the total weight as raw materials; separators and supported slabs of an inner cavity of a furnace body are provided with an arc flame bridge with rough holes and pores, a tube which can be flexibly replaced is put on the separator, a flume on the top of the furnace body is provided with an explosion proof cover which is provided with a double-layer bell in the middle, a filtering bucket beside the furnace body is connected with an air inlet pipe, and a valve and connecting pipe are used for connecting the filtering bucket and a pressurizing tank, a gas piping of which can send the produced flammable gas to users. The method uses humic acid soil or mixed split coal in coal mines or washing coal rocks which are left after steam coal or melting coal being washed by coal washers as raw materials to produce civil gas, which fully utilizes natural resources and has great economical and environment-protection benefit and popularization value.

The invention relates to an environment-friendly fire coal combustion improver. According to the combustion improver, calcium carbide waste residues, iron mineral powder, coal ash, certain chemical plant waste liquids and the like are taken as efficient composition of the fire coal combustion improver, and the fire coal combustion improver is prepared by blending the efficient composition with a few quantity of strong oxidants, catalysts, adhesives, swelling agents, rare earth compounds and the like. The main technical formula of the fire coal combustion improver is characterized by comprising components in percentage by mass as follows: 20%-40% of calcium carbide waste residues, 20%-40% of iron mineral powder, 10%-20% of coal ash, 20%-30% of alkaline plant waste liquids, 0.5%-2% of potassium permanganate, 5%-10% of sodium chloride, 0.05%-0.2% of cerium oxide and 0.2%-0.4% of fatty alcohol-polyoxyethylene ether. 2%-10% of the environment-friendly fire coal combustion improver is added and matched with raw coal for use, the sulfur fixation rate is higher than 60%, and the theoretical coal-saving rate can be 10%-25%; the fire coal combustion improver can be matched with inferior coal such as coal gangue and the like, the problems of high combustion point and insufficient combustion are solved, and combustion and utilization of inferior coal resources are reinforced; and certain industrially discharged solid waste is used as a combustion-supporting, sulfur fixation, nitrogen fixation, smoke prevention and dust control component of the combustion improver, and the environment-friendly fire coal combustion improver has very important practical significance in the aspects of energy saving and environmental protection.

The invention discloses a nanometer ore coal combustion-supporting additive, a preparation method thereof and application of the additive as renewable energy source of coal. The additive comprises the following raw material ores: 2 to 25 weight portions of saltpeter, 5 to 25 weight portions of marble, 5 to 25 weight portions of talcum, 5 to 20 weight portions of feldspar, 5 to 25 weight portions of picrite, and 1 to 10 weight portions of pyrolusite. The ores are subject to ultrafine grinding and are prepared into a coal combustion-supporting agent according to certain mixture ratio, and then the combustion-supporting agent is prepared into complex coal with coal gangue and coal according to the mixture ratio. The additive can ensure that 30 to 50 percent of standard coal is saved in the power generation industry and the cement industry, can reduce the discharge amount of sulfur dioxide and smoke dust, also reduce the environmental pollution of the coal gangue caused by land occupation spontaneous combustion at the same time, has good social benefit and economical benefit, meets the requirements of energy conservation, environmental protection and emission reduction, and is worthy to be promoted.

The invention relates to a method for regulating nitrous oxide recovery based on a NO denitrification process. The gaseous pollutant NO is immobilized into a solution to form Fe (II) EDTA-NO in a complex state as a denitrification substrate, the yield of N2O in the reaction process is controlled by adjusting the addition amount of a carbon source, enrichment is achieved, and energy recovery in thedenitrification process is facilitated. Compared with the prior art, the method is simple in process, low in energy consumption and free of by-products, the conversion rate of Fe (II) EDTA-NO to N2Ois high and can reach about 0.45, and the obtained N2O gas can be used as an oxidizing agent, a combustion improver and the like.

The invention discloses a method used for perform combustion improver kind similarity judgment using Pearson product-moment correlation coefficient (PPMC). The method is used for avoiding influences of the uncertainty and the randomness of artificial identification of chromatograms, and influences of combustible matters, and combustion or decomposition products of combustion improvers on spectrums, and providing reliable technical support for material evidence identification process of complex fire fields. According to the method, practical fire field environment is taken into consideration asfar as possible, gas chromatography-mass spectrometry (GC-MS) technology is adopted for detection of samples and samples containing combustion improvers; influences of combustible matters and combustion improver pyrolysis products on identification is taken into consideration; a combustion improver similarity analysis software is adopted for rapid identification. The method is rapid, is accurate,and is high in efficiency, is a simplified qualitative-and-quantitative method of similarity analysis of combustion improvers, and scientific reference execution standards and basis are provided forfire hazard investigation personnel.

The invention relates to a high-combustion-value biomass particle, which is characterized by being prepared from the following components by weight percent: 30 to 50 percent of bark, 25 to 40 percent of straw, 20 to 45 percent of wood chips, and 2 to 5 percent of combustion-supporting agent. The heated potassium chlorate or potassium permanganate is subsequently decomposed by manganese dioxide to release oxygen, so that oxygen can be supplemented in the entire combustion process of the biomass fuel. The condition of partial hypoxia can be alleviated and the biomass fuel can be completely combusted. Magnesium chloride has the effect of bulking the biomass fuel and preventing coking, thus contributing to the full contact of oxygen with the biomass fuel and the complete combustion of the biomass. After the combustion-supporting agent is used, both the furnace temperature and thermal efficiency can be improved.

The invention discloses a smelting furnace for recovering electrolyte from aluminum electrolysis carbon residues. The smelting furnace is a vertical smelting furnace and comprises a feed port, a fluegas outlet, a furnace body, a combustion improver adding port, a fuel adding port, an electrolyte overflow port and an electrolyte collecting tank at the bottom, wherein the feed port and the flue gasoutlet are located at the top position, the furnace body is located at the middle position, and the combustion improver adding port, the fuel adding port and the electrolyte overflow port are locatednear the bottom; and the furnace body comprises a cryolite layer, a corrosion-resistant layer, a refractory material layer, a thermal insulation material layer and a steel plate from inside to outside. According to the smelting furnace for recovering the electrolyte from the aluminum electrolysis carbon residues, the carbon residues and hot gas flow make reverse contact in the smelting furnace, so that the reaction area is increased, and the processing efficiency is improved; the electrolyte contained in the carbon residues is melted by utilizing the calorific value of the carbon residues, and meanwhile, process parameters can be adjusted according to different components of the carbon residues, so that process control is convenient; and the high-melting-point cryolite protective layer isformed on the inner wall of the smelting furnace in the operation process, so that corrosion of reaction materials to a furnace body lining is reduced, and the service life of the smelting furnace isguaranteed.

The invention discloses an efficient pyrolysis garbage incinerator. The efficient pyrolysis garbage incinerator comprises an incinerator body, an air blower is welded to the right side of the incinerator body, a combustion-supporting pipe is welded to the front face of the incinerator body, the incinerator body comprises a reciprocating mechanism, and the bottom of the reciprocating mechanism is movably connected with a driving mechanism. According to the efficient pyrolysis garbage incinerator, a downward-pressing rotating disc is installed inside the incinerator body, when a driving shaft rotates, the air blower blows out mixed gas of a combustion improver sprayed out of the combustion-supporting pipe and air from an air pipe through a gas guide pipe, under the reversing effect of a reversing pipe, the mixed gas is sprayed downwards, mixed gas at the bottom is sprayed upwards, the driving shaft and the rotating disc form an eccentric mechanism due to the fact that an extrusion spring pushes out a limiting pin, the volumes of air entering the air pipe in unit time are different, a rotating speed difference exists between the downward-pressing rotating disc and a driving rotating disc all the time, the mixed gas and to-be-incinerated objects are fully mixed in combination with a stirring mechanism, and therefore the incineration efficiency is improved, and the problem that incinerated objects close to the middle of a traditional incinerator are not easy to incinerate is solved.

According to the split-flow recompression pure oxygen combustion circulation system with pure oxygen as the combustion improver, a combustion chamber, a gas turbine, a waste heat boiler, a first low-pressure compressor, a first intercooler and a first high-pressure compressor are sequentially connected in series, and a low-pressure steam turbine, a condenser, a condensate pump, a deaerator and a water feeding pump are sequentially connected in series. The hot end outlet side of the waste heat boiler is connected with the high-temperature inlet side of the low-pressure steam turbine and the inlet side of the first low-pressure compressor, so that working media flowing out of the hot end outlet side of the waste heat boiler are divided, and the liquid outlet side of the water feeding pump is connected with the cold end inlet side of the waste heat boiler. A high-pressure steam turbine is arranged between the cold end outlet side of the waste heat boiler and the inlet side of the combustion chamber, the low-temperature outlet side of the high-pressure steam turbine is connected with the cold end inlet side of a first intercooler and a gas turbine, and the cold end outlet side of the first intercooler is connected with the inlet side of the combustion chamber. The hot end inlet side is connected with the outlet side of the first low-pressure compressor, and the hot end outlet side is connected with the inlet side of the first high-pressure compressor.

The invention discloses a multifunctional integrated start-up burner which comprises a central shell, an outer shell and an ignition rod, wherein the central shell and the outer shell are integrated;the lower end of the ignition rod is inserted into the central shell through the top of the central shell; the lower end of the ignition rod is provided with a high-energy igniter; the side surface ofthe central shell is provided with a start-up fuel inlet and a waste water inlet, wherein the start-up fuel inlet and the waste water inlet are positioned outside the outer shell; and the side surface of the outer shell is provided with an accelerant inlet. A combustion improver channel is formed between the outer part of the central shell and the inner wall of the outer shell, a start-up fuel-waste water channel is formed between the ignition rod and the inner wall of the central shell, and an atomizer is arranged between the ignition rod and the central shell, wherein the atomizer is positioned at the working medium outlet at the lower end of the start-up fuel-waste water channel, and the burner can realize the functions of starting ignition and putting waste water into the burner afterstarting ignition, and can also realize cooling and sealing of the start-up burner.

The invention discloses a flameless solid fuel, and a preparation method and application thereof. The flameless solid fuel is prepared from, by mass, 30-60% of a main combustion agent, 20-35% of a combustion improver, 1-5% of a flame inhibitor and 10-35% of a bonding curing agent. The fuel can be continuously and stably combusted in an oxygen-free environment, has the characteristics of high combustion heat value, low combustion speed, no black smoke, no peculiar smell, no obvious flame, no harmful residue, environmental friendliness and the like, and is simple in preparation process, low in cost and long in safe storage period.

The invention discloses a carbon monoxide emission reduction sintering synergist and a use method thereof, and relates to the technical field of fuel combustion supporting. The carbon monoxide emission reduction sintering synergist is prepared from the borax, the alkaline earth metal oxide, the oxygen producer, the alkali metal salt or the alkali metal hydroxide, the desulfurizing agent and the combustion improver as raw materials, and the prepared sintering synergist can provide sufficient oxygen for fuel in the combustion process by adjusting the composition and the proportion of the raw materials; the combustion speed of fuel is increased, emission of carbon monoxide is reduced, and sufficient combustion of the fuel is achieved.