121results about How to "Save coal consumption" patented technology

The invention discloses a method for incinerating sludge by using a kiln tail system of a cement plant. A sludge atomization nozzle mounted on the kiln tail system of the cement plant is used for spraying sludge with the moisture content being 70-85 percent; the sludge can be atomized in the kiln tail system; water in the sludge can be instantly evaporated to be a part of waste gas, and a combustible substance is used as fuel for combustion; combusted residues serving as a part of a cement raw material enters a rotary kiln and is calcined into a cement clinker. According to the method, the defects of an existing sludge dry incineration technology can be overcome; a high-temperature environment of a cement production system is used for performing dry incineration, and the sludge is also used; powder contained in the kiln tail system can effectively suppress and absorb harmful gas released in a sludge incineration process, and the cement production energy consumption and the production cost are effectively reduced; therefore the method is more practicable and has industrial utilization value.

The invention relates to a method for directly using red coke obtained by high-temperature pyrolysis of pulverized coal. The red coke, which is a product obtained by high-temperature pyrolysis of pulverized bituminous coal and lignite, is directly used as a clean cohesionless power fuel or a gasifying raw material at a starting temperature of 600 DEG C-900 DEG C and is respectively applied in a red coke combustion boiler and a red coke gasifying furnace for carrying out thermoelectric and gasification production processes. By the method, the domestic excess coking production capacity can be fully utilized and vitalized, the problems of irreversible heat loss and utilization of low-grade low-rank pulverized coal in the current conventional combustion of coal at home and abroad are solved, the purposes that the thermal efficiency of the power fuel is substantially increased and the carbon element in the gasifying raw material is efficiently utilized are achieved, the environmental pollution caused by water-quenching coke during the pyrolysis and upgrading of pulverized coal is avoided, multiple fields of power and chemical industry (smelting) are coordinated and taken into account, the coal-based polygeneration production process is further optimized, the entire system achieves the effect of rational use of energy and the method is in full compliance with the national requirements of the clean utilization of coal.

The invention relates to a boiler combustion smokeless zero-sewage sulfur-extraction energy-saving combining machine which comprises three parts including a sewage circulation elevator, a smoke comprehensive water processor and a distillation smoke cooler, wherein the sewage circulation elevator is internally provided with a lifting bucket; a smoke inlet pipe is arranged at the side of the smoke comprehensive water processor, and a backflow sewage pipe is arranged at the bottom of the smoke comprehensive water processor; a hollow shaft is inserted into the cavity of the smoke comprehensive water processor; a water inlet arranged at the upper end of the hollow shaft is connected with the sewage circulation elevator by a water pipe; a vertical groove is formed at the side of the hollow shaft; a stirring rod is arranged under the vertical groove; an opening at the side at the lower end of the stirring rod is connected with the side at the upper end of the distillation smoke cooler by a pipeline; a smoke cavity is arranged at the upper end of the distillation smoke cooler, a water cooler is arranged in the middle of the distillation smoke cooler, and a discharge cavity is arranged at the lower part of the distillation smoke cooler; the water cooler is internally provided with a cooling pipe; an opening at the bottom of the discharge cavity is connected with the lower end of the sewage circulation elevator by a pipe; and an opening at the side of the discharge cavity at the lower end of the sewage circulation elevator is connected with a boiler draught fan by a pipeline. The boiler combustion smokeless zero-sewage sulfur-extraction energy-saving combining machine has the advantages that no sewage is discharged, and energy is saved by 30%, and is environment-friendly and sanitary.

The invention relates to biological flora and a method for preparing cellulose for an additive through the biological flora. The composite flora comprises bacillus stored with the number of CGMCC (China General Microbiological Culture Collection Center) No. 5971, rheinheimera tangshanensis stored with the number of CGMCC No.5972, acinetobacter lwoffii stored with the number of CGMCC No. 5973, pseudomonas fluorescens stored with the number of CGMCC No. 5974 and Wickerhamomyces anomalus stored with the number of CGMCC No. 5975. The method comprises the steps as follows: preparing bacteria liquid; processing raw materials; and preparing fibers: difibering, biologically degrading, sterilizing through steam, obtaining fibers, sterilizing and grinding. The method provided by the invention is environment-friendly; and the waste liquid is directly transformed into organic fertilizer, therefore, zero release and zero pollution are achieved. The biological process performs protection to the fibers. Compared with traditional chemical method, the method provided by the invention has the advantages of low producing cost, high economic benefit, and capabilities of saving the energy and protecting the environment.

The invention discloses a method for drying and burning sludge via cement plant kiln tail system, the method comprises the steps as follows: firstly spraying the sludge, the water content of which is 70-85% into the cement plant kiln tail humidifier tower through the atomizing nozzle, the smoke of the temperature of 250-400 degrees centigrade discharged from the cement plant kiln tail gets into the humidifier tower from the top; the sludge is dried by the high temperature smoke in the kiln tail humidifier tower and transmitted to the kiln tail burning system as the fuel of the cement producing system, the burned residue is used as the cement raw material and transmitted to the rotary kiln to be burned into the cement clinker; the method for drying and burning sludge via cement plant kiln tail system can overcome the defect of the prior sludge drying and burning technology, the dust in the waste gas can effectively absorb the harmful gas generated by the sludge drying process, the high temperature environment of the cement producing system for drying and burning and the sludge is used, the cement producing energy consumption and producing cost can be effectively reduced, the method is practical and has industrial use value.

The invention discloses a method for controlling the output of a coal mill in the ignition process of a boiler. According to the method, in the starting ignition process of the boiler of a power station, a raw coal hopper supplies raw coal to a coal feeder, the coal feeder quantitatively supplies the raw coal to the coal mill, the coal mill grinds the raw coal into pulverized coal which is carriedinto a separator by primary air, qualified pulverized coal is screened by the separator, is brought into a combustor by the primary air, and enters a boiler hearth through a nozzle of the combustor to be combusted; the output of the coal mill can be adjusted through adjustment of the rotating speed of the coal mill according to the positive correlation between the rotating speed of the coal milland the output; a high-voltage variable-frequency speed regulation device is used for controlling the rotating speed of the coal mill, so that the rotating speed can be continuously increased and decreased in the one-time ignition process, and the rotating speed of the coal mill is controlled to be changed according to different stages of ignition. According to the method, the high-voltage variable-frequency speed regulation device is used for controlling the rotating speed of the coal mill, continuous change of the rotating speed of the coal mill can be controlled without modifying the interior of the coal mill, and the reduction capacity and the regulation capacity are achieved.

The invention relates to an environmental protection dyeing technology, which comprises the following steps: 1) a fabric paint pad dyeing novel process flow is characterized by comprising steps of preparing a semi-finished product, performing cation modification, drying, performing pad dyeing on the paint, predrying and baking; and 2)a yarn paint continuous annular pad dyeing technology which is characterized in that the technology employs a continuous pad dyeing innovation technology of yarn pre-treatment and after-treatment of paint dyeing, so that a traditional yarn intermittent dyeing mode such as reeled yarn and cheese dyeing is changed. The process flow comprises the steps of warping yarn, unwinding a warp beam, pre-treating, drying, dyeing the paint, predrying, baking, (sizing), and doffing the beam. The technology changes a traditional desizing/dyeing two bath process to a desizing/dyeing one bath process, technology flow is greatly shortened, printing and dyeing treatment time is shortened by about 50%, water consumption and sewage discharge capacity are reduced by about 50%, power consumption is reduced by about 50%, coal amount is reduced by about 40%, and comprehensive cost is saved by about 45%.

The present invention relates to a composite flora and a pulping method by using a biological bacterial liquid of the composite flora. The composite flora comprises rheinheimera tangshanensis with a preservation number of CGMCC No.5972, acinetobacter lwoffii with a preservation number of CGMCC No.5973, and Wickerhamomyces anomalus with a preservation number of CGMCC No.5975. The method mainly comprises: preparing a bacterial liquid; treating raw materials; and pulping, wherein pulping comprises: fiber kneading or squeezing rolling, biodegradation, steam sterilization, crude pulp grinding, fine pulp grinding, pulp material screening, soaking, and pulp washing. The paper board prepared by using the pulping method can achieve a level of more than an AA grade. In addition, waste liquid generated during a pulping process can be recycled or converted into biogas or an organic fertilizer adopted as an energy source so as to provide advantages of energy source saving and environment protection.

The invention relates to bacillus and a method for preparing textile fiber using the bacillus. The bacillus (bacillus sp.) is stored with a number of CGMCC No. 5971. The method comprises the following steps of: preparing bacteria liquid; processing raw materials; and preparing fibers, wherein fiber preparing steps comprise the following steps of: biologically degrading, sterilizing through steam, and obtaining the fibers; drying; and carding. The method provided by the invention is environment-friendly; waste liquid is directly transformed into organic fertilizer, therefore, zero emission and zero pollution are achieved. A biological treating process performs protection to the fibers. Compared with a traditional chemical method, the method provided by the invention has the advantages of being low in producing cost, high in economic benefit, and is capable of saving an energy resource and protecting an environment.

The invention relates to pseudomonas fluorescens and a biological bacteria liquid pulping method. The pseudomonas fluorescens is stored with a number of CGMCC No. 5974. The biological bacteria liquid pulping method mainly comprises the following steps of: preparing bacteria liquid; processing raw materials; and pulping, wherein pulping steps comprise the following steps of: defibering, biologically degrading, sterilizing through steam, carrying out rough pulping, carrying out fine pulping, screening a sizing agent, removing latency, and washing the sizing agent. A paperboard prepared by the biological bacteria liquid pulping method provided by the invention reaches a level over AA grade; waste liquid produced in a pulping process can be recycled or transformed into methane which can be served as an energy resource or organic fertilizer, and therefore, energy resources are saved, and environment protection is achieved.

The present invention relates to a composite flora and an additive cellulose preparation method by using the composite flora. The composite flora comprises bacillus sp. with a preservation number of CGMCC No.5971, rheinheimera tangshanensis with a preservation number of CGMCC No.5972, acinetobacter lwoffii with a preservation number of CGMCC No.5973, and pseudomonas fluorescens with a preservation number of CGMCC No.5974. The method comprises the following steps: preparing a bacterial liquid; treating raw materials; and preparing fibers, wherein fiber preparation comprises fiber kneading or squeezing rolling, biodegradation, steam sterilization, fiber obtaining, sterilization and grinding. According to the present invention, the method does not pollute the environment, a waste liquid is directly converted into an organic fertilizer so as to achieve zero emission and zero pollution, the biological treatment process provides a protection effect for fibers, advantages of low production cost and high economic benefits are provided compared with the traditional chemical method, and characteristics of energy source saving and environmental protection are provided.

The invention belongs to the field of brick making, and specifically relates to a self thermal insulation sintered brick made of mushroom dregs. The sintered brick is prepared by the following steps: mixing mushroom dregs, coal powder, and shale together, taking the mixture as the raw material, and then subjecting the mixture to steps of moulding, drying, and burning so as to obtain the self thermal insulation sintered brick. The content of mushroom dregs in the raw materials can exceed 30% or even reach 40%. The provided method can reduce the coal using amount, increase the thermal resistance of sintered brick, and improve the thermal insulation performance of sintered brick. The building made of the sintered bricks can guarantee the thermal insulation effect without a thermal insulation layer, and can meet the requirements on building energy saving. Compared to the conventional thermal insulation construction, the construction cost is reduced by 20 to 32 yuan/m2. The provided self thermal insulation sintered brick has the advantages of stable quality, durability, user-friendliness, practicality, economy, and good thermal insulation property. Moreover, a large amount of agricultural wastes is processed and utilized, and the ecological environment is protected and improved.

The present invention relates to a composite flora for biological preparation of a cellulose additive, and applications thereof. The composite flora comprises bacillus sp. with a preservation number of CGMCC No.5971, rheinheimera tangshanensis with a preservation number of CGMCC No.5972, and acinetobacter lwoffii with a preservation number of CGMCC No.5973. The method comprises the following steps: preparing a bacterial liquid; treating raw materials; and preparing fibers, wherein fiber preparation comprises fiber kneading or squeezing rolling, biodegradation, steam sterilization, fiber obtaining, sterilization and grinding. According to the present invention, the method does not pollute the environment, a waste liquid is directly converted into an organic fertilizer so as to achieve zero emission and zero pollution, the biological treatment process provides a protection effect for fibers, advantages of low production cost and high economic benefits are provided compared with the traditional chemical method, and characteristics of energy source saving and environmental protection are provided.

The invention relates to a combustor for efficiently and stably combusting anthracite coal in a decomposition furnace. The combustor consists of a center air passage, a clean air passage and an annular space, wherein the annular space is formed between the center air passage and the clean air passage; a plurality of coal air passages are uniformly distributed inside the annular space; a rotational porous annular partition is arranged at the outlet of the annular space; the outlet end of the center air passage and the outlet end of the clean air passage are each provided with a rotational flow generating device; the outlet of the center air passage adopts an external expansion design; the outlet of the clean air passage adopts an internal shrinkage design. The combustor disclosed by the invention is unique in structure and capable of making coal powder be completely coated and preheated by high-temperature tertiary air; meanwhile, clearances exist among a plurality of coal powder beams, so the contact area between high-temperature gas and the coal powder is greatly increased, the preheating speed of coal powder flow is remarkably increased, the anthracite coal is enabled to reach the ignition temperature after entering a high-oxygen-concentration region, the combustion efficiency is improved, and the amount of consumed coal is reduced; the amount of fed coal is automatically controlled, and the porous annular partition is rotationally regulated, so the rigidity of coal air is stabilized, the thermal load in a hearth is also effectively regulated, the combustion stability is guaranteed, the temperature in the decomposition furnace is uniformly distributed, and emission of NOx is reduced.

The invention provides a Portland cement clinker with high compressive strength. A raw meal adopts the following components in percent by weight: 80%-85% of limestone, 2-4% of coal-to-oil residue, 7-12% of sandstone, and 2-6% of steel slag ingredients. New industrial solid waste coal slag is adopted as a substitute for a clay raw material to participate in a raw meal formula, natural non-renewableresources are saved, and the pain point problem of waste producing enterprises and government is solved. The three-day compressive strength value of the clinker can be increased to 37 MPa or more. Bythe unique raw meal homogenization technology, large fluctuation of a raw meal rate into a kiln caused by cyclic enrichment of kiln ash in a homogenization silo when a rotary kiln is started and a raw meal mill is stopped is avoided, continuous uniformity of raw meal ingredients into the kiln is ensured, and thus reliable guarantees for improvement of clinker strength are provided.

The invention relates to compound bacteria for biological bacteria liquid pulping and application of the compound bacteria. The invention also provides a biological bacteria liquid pulping method. The compound bacteria comprise bacillus stored with a number of CGMCC No. 5971, acinetobacter lwoffii stored with a number of CGMCC No. 5973, and Wickerhamomyces anomalus stored with a number of CGMCC No. 5975. The method mainly comprises the following steps of: preparing bacteria liquid; processing raw materials; and pulping, wherein pulping steps comprise the following steps of: defibering, biologically degrading, sterilizing through steam, carrying out rough pulping, carrying out fine pulping, screening a sizing agent, removing latency, and washing the sizing agent. A paperboard prepared by the biological bacteria liquid pulping method provided by the invention reaches a level over AA grade; waste liquid produced in a pulping process can be recycled or transformed into methane which can be served as an energy resource or organic fertilizer, and therefore, energy sources are saved, and environment protection is achieved.

The invention discloses a coupling technology of thermoelectric methanol from coals. In the coupling technology, a plasma gasifier is coupled with a thermal power plant system, the plasma gasifier isused to replace a traditional gasifier, the electric energy and coal powder required for the plasma gasifier can both be directly acquired from a power plant, a hydrogen generation station of a thermal power plant provides H2 to a methanol generation system, and the problem of energy and water consumption caused by using gas-water conversion device is avoided; expect being used for synthesizing methanol, unreacted synthesis gas after being gasified is introduced into a boiler of the thermal power plant to increase the quantity of heat production and save coals; discharge gas of the gasifier contains a great quantity of sensible heat, a part of the sensible heat is used for producing high-temperature and high-pressure vapour to be provided to the gasifier after being recovered or preheat feedwater of the boiler, and the air extraction quantity of a steam turbine is reduced; a gas purification system recovers CO2 produced in the process, and carbon emission is reduced; and according to the method, a gas-water reaction system is cancelled, the water consumption is reduced, the heat is recovered, the energy utilization ratio is improved, and the coal consumption is reduced.