33results about How to "Energy saving treatment" patented technology

The invention relates to the technology field of processing and recycling of casting moulding sand and in particular relates to a moulding sand cooling dedusting tower as well as a casting moulding sand processing device and a using method thereof. The moulding sand cooling dedusting tower comprises a vertical box body, a cooling box, a water inlet pipe, a water outlet pipe, a dedusting pipe and an air pipe, wherein a sand inlet is arranged at the upper end of the vertical box body; the cooling box of which the upper surface is an oblique surface is fixed in the inner cavity of the vertical box body; the upper end of the cooling box is a moulding sand flow-in end and communicated with the sand inlet; the lower end of the cooling box is a moulding sand flow-out end; and a sand outlet is arranged at the exterior of the vertical box body at the lower end of the corresponding cooling box and communicated with the moulding sand flow-out end. The device provided by the invention has a reasonable and compact structure, relatively large plastic and iron particles are separated through a filtering block net, small iron impurities are separated by a magnetic separation conveyor, and fine screening and cooling dedusting of the moulding sand are realized through the moulding sand cooling dedusting tower, therefore, the moulding sand cooling dedusting tower can be used for processing the casting moulding sand in an energy-saving, efficient and high-quality mode, has high working efficiency, is economical and environmentally-friendly, and can be used for reducing the labor intensity, the potential safety hazard and the labor cost.

The invention discloses a low temperature methanol wash method and equipment, wherein the method comprises an absorption step, a desorption step and a methanol heat regeneration step. The absorption step further comprises: adopting first lean methanol solution to absorb virgin gas for the first time, and cooling to form first rich methanol solution; forming first gas and first liquid after gas-liquid separation; adopting second lean methanol solution to absorb the first gas for a second time, and forming second absorbed rich methanol solution after the second lean methanol solution is absorbed for a second time; carrying out flash distillation on the second absorbed rich methanol solution to form second gas and flash distillated rich methanol solution; and adopting third lean methanol solution to absorb the second gas for a third time, forming third gas and reflux rich methanol solution, and respectively recycling the third gas and the reflux rich methanol solution. The method can be high-efficient, flexible, safely and energy-saving to treat carbonyl gas with different pressures, temperatures, moisture contents and sulphur concentrations.

The invention discloses an alkaline chloride zinking primer, wherein the primer comprises following components based on mass percent: 9.6% to 14.5% sodium hydroxide, 5.0% to 7.0% potassium chloride, 0.6% to 0.9% zinc oxide, 0.35% to 0.45% DPE-3 adjuvant, 0.35% to 0.45% ZB-80 lustre-coating agent and 76% to 84% water. The preparation method of the alkaline chloride zinking primer is provided. The invention has advantages that the plating layer has high combination ratio, high depositing speed, bright and fined plated products without brittleness, coarse skin and color change when baking temperature is at 250 deg. C, great anti-impurity capacity, without fogging and bubbling phenomena. The salt spray test uses 150 hours to 200 hours with low cost. The invention saves energy and is easy to processes waste.

The invention discloses a method of recycling a graphite material based on a novel aluminum-graphite dual-ion battery and relates to the technical field of battery recovery. The method comprises the steps that S1, the waste novel aluminum-graphite dual-ion battery is recovered to obtain graphite powder; S2, the graphite powder is mixed with a coating material, coating granulation is performed after uniform mixing, and graphite particles are obtained; and S3, the graphite particles are carbonized, and the recycled graphite material is obtained, wherein in the step S2, the coating material accounts for 1-15% of the total mass of the mixture of the powder and the coating material, and the coating material is at least one of petroleum asphalt, coal pitch, phenolic resin, sucrose, glucose, carboxymethylcellulose, polyvinyl alcohol, polypropylene glycol, polyacrylic acid and polyvinylpyrrolidone. According to the scheme, the recovered graphite powder is deeply treated, the grade of the graphite powder is increased, and the application field of the graphite powder is expanded; and in the whole treatment process, energy is saved, the environment is protected, high efficiency is realized, and the material utilization rate is high.

The invention provides a method for treating organic pigment waste water, wherein the method comprises the following steps of: (1) regulating pH of waste water within 7-10.5, and adding a decoloring agent, activated carbon powder and polypropylene; (2) treating a clear liquid of the pretreated waste water after air floatation or sediment in a resin absorption column, wherein resin is selected from nonpolar macroporous adsorption resin provided with a porous framework structure and formed through the mutual cross-linking polymerization by taking styrene or acrylic ester as a monomer, divinylbenzene as a cross-linking agent, and toluene or dimethylbenzene as porogen. According to the method provided by the invention, waste water is not required to be diluted and is directly processed; the treating and reaction time of waste water is short, and the total retention time of the pretreatment and the resin absorption is less than 10 hours; the occupation area is small; biochemical bacteria are not required for the running and starting of the system; the running and starting are quick; the management is simple; the resin after absorption can be reused; the operation cost is low; and the yielding water is superior to first level discharge standard stipulated by Integrated Waste Water Discharge Standard of People's Republic of China (GB8978-1996).

The invention belongs to an energy-saving type garbage dry distillation gas preparation and gas power generation method, in particular to a method for treating garbage to produce gas and generating power through the gas via procedures of pretreatment, biochemical degrading, dry distillation, gasification, gas-liquid separation, gas purification and gas utilization for the garbage. The method has the advantages of energy conservation, environment friendliness, efficiency and continuous treatment of the garbage, and is high in inventiveness, novelty and industrial practicability.

The invention belongs to a device for converting an exhaust gas and sludge into a renewable combustion gas, and aims to provide a sludge vaporizing furnace for simultaneously solving combustion gas cooling and sludge water treatment. The vaporizing furnace is divided into an upper part which is a vaporizing room and a lower part which is a motor room through a drop bottom having a through hole, and the vaporizing room is divided into a drying zone, a vaporizing zone and a high temperature zone from top to bottom; the top of the drying zone is provided with an air exhaust hole, and is connected with an outside air exhaust system; and the upper portion of the drying zone is fixedly provided with a sludge baffle plate provided with a plurality of pores, furnace air ducts traverse the pores on the sludge baffle plate to link up the whole drying zone and are supported by the sludge baffle plate, and apertures of the pores are slightly greater than the external diameters of the furnace air ducts, so domestic sludge is reasonably and efficiently converted into the renewable combustion gas, dehydration and combustion gas cooling devices are saved, and the sludge treatment efficiency is improved. The sludge vaporizing furnace really realizes the sludge treatment having the advantages of energy saving, environmental protection and high efficiency.

The invention discloses a multidirectional selective noise reduction system and method for a space environment. The system comprises a noise detection module, a noise processing module, a central control system, a human voice elimination module and a noise reduction module, the noise detection module is used for detecting noise in the environment, the noise processing module is used for processingthe noise detected by the noise detection module, the central control system is used for controlling the whole multi-point noise reduction system, the human voice elimination module is used for identifying and eliminating human voice in noise detected by the noise detection module, and the noise reduction module is used for reducing the noise detected by the noise detection module. The multidirectional selective noise reduction system is scientific, reasonable and safe and convenient to use, the operation that noise reduction processing needs to be conducted on each noise signal is avoided, the step that noise reduction is conducted on the multiple noise signals one by one is omitted, differentiated noise reduction is conducted on the noise signals through the multi-point noise reductionsystem, and the multi-point noise reduction system is more intelligent and user-friendly.

The invention relates to the technical field of geopolymer concrete, in particular to all-solid-waste ultra-high-performance geopolymer concrete and a preparation method thereof. The all-solid-waste ultra-high-performance geopolymer concrete is prepared from the following raw materials in parts by mass: 20 to 30 parts of aggregate, 70 to 80 parts of cementing material, carbon nanotubes, steel fibers and an alkali activator, wherein the cementing material comprises the following components in percentage by mass: 15-35% of fly ash, 50-70% of slag and 5-25% of silica fume; and the aggregate is regenerated matrix sand. The geopolymer concrete does not need to use a water reducing agent, and has the advantages of effective utilization of waste resources, low cost, simple preparation and excellent performance.

The invention discloses a manganese oxygen composite material for efficiently removing VOCs and a preparation method and application thereof. The preparation method comprises the following specific steps: preparing the manganese oxygen composite material doped with Mg and loaded onto carbon nanotubes by a hydrothermal method, mixing the manganese oxygen composite material with quartz sand, then placing in a microwave device, inflating VOC gas and performing a removing reaction, wherein the manganese oxygen composite material is doped with the Mg and is loaded onto the carbon nanotubes. The manganese oxygen composite material has the advantages of high catalytic rate, high catalytic efficiency, low catalyst cost, a simple catalyst synthesizing method, strong catalyst stability, no secondarypollution and no need of retreatment.

The invention provides a sheet-mounted tower, a manufacturing and mounting method and a wind turbine generator. The sheet-mounted tower comprises at least one sheet-mounted shell ring, the sheet-mounted shell ring comprises a plurality of sheet bodies and positioning connecting structures, and the plurality of sheet bodies are connected through the positioning connecting structures; and a plurality of sheet-mounted shell rings are arranged, and the sheet-mounted shell rings are connected through flanges. The tower of which the diameter exceeds the transportation size requirement is longitudinally cut to form three or more parts, so that the transportation size requirement is met, the problem that the connection structure of tower sheet bodies is unreasonable in arrangement is solved, and the problems of inaccurate positioning and difficult connection during sheet body assembly, inclination and non-uniform stress of a tower drum caused by sheet body dislocation, damage to electrical equipment caused by gap water leakage, tedious installation caused by diversity of accessories and the like are solved.

The invention relates to a system for comprehensive utilization of floater pretreatment and a cement kiln. The invention relates to the system for comprehensive utilization of floater pretreatment and the cement kiln, which comprises a crusher, a screening machine, a material drying bed, a blower fan, a feeding bucket, a first conveyer, a magnetic separator, a weigher and a second conveyer; an outlet of the crusher is connected with an inlet of the screening machine by a conveying apparatus, an outlet of the screening machine for a qualified product is connected with the inlet of the material drying bed; an inlet terminal of the blower fan is connected with an exhaust gas chimney of a kiln head or a kiln end of the cement kiln by pipelines, an output terminal of the blower fan is connected with a hot air inlet of material drying bed by pipelines; an outlet of the material drying bed is connected with an inlet of the feeding bucket, an outlet of the feeding bucket is connected with the weigher by the first conveyer, the magnetic separator is arranged on the first conveyer; the weigher is connected with an inlets of the decomposing furnace by the second conveyer, an outlet of the conveyer pipe is connected with an input of the decomposing furnace of the cement kiln. The system realizes safe, harmless, recycling, energy saving disposal and utilization of the floater.

The invention discloses an efficient and energy-saving treatment process for high-concentration sugarcane sugar production wastewater. The sugar production wastewater treatment process mainly comprises the following steps: (1) filtering out large-particle suspended solids and floating objects from sugarcane sugar production wastewater through a grating, adjusting the pH value to 7.0-7.5 by using sodium hydroxide powder, and carrying out adsorption treatment by using modified zeolite -Fe3O4 particles so as to obtain pretreated sugar production wastewater; (2) enabling the pretreated sugar production wastewater to sequentially enter an IC anaerobic reactor, an anoxic tank and a two-stage aerobic tank, and carrying out anaerobic and aerobic biochemical treatment to remove nitrogen and phosphorus in the wastewater; and (3) enabling effluent of the aerobic tank to enter a secondary sedimentation tank, carrying out mud-water separation, enabling separated water to enter a clean water tank to be discharged, enabling the separated sludge to enter a sludge return well, and subjecting the sludge in the sludge return well to concentration, dehydration and drying. The sugar production wastewater treated by the process is low in content of organic matters, suspended matters, nitrogen and phosphorus, and the method is high in wastewater treatment efficiency, low in process energy consumption and environmentally friendly.

The invention relates to a reactor for directly performing oxidation treatment on sewage, in particular to an improved micro power oxidation reactor for sewage treatment. The reactor starts from the material science, huge-area particle catalytic reaction layers are prepared by surface finish modification and sintering by utilizing low-cost bamboo charcoal as a carrier, and are filled into a pre-oxidation chamber, a main oxidation chamber and a deep oxidation chamber of the oxidation reactor respectively, so as to undergo three-level oxidation treatment decomposition. According to the special conditions of large seasonal climate temperature difference and instable water volume, the oxidation reactor can be started and shut down in real time to treat sewage, the low-energy-consumption gap type running can be performed by using the technologic device, efficient and energy-saving effective treatment is achieved, and thus the goal of environmental protection is achieved.

The invention relates to a reactor for direct oxidation treatment of sewage, especially a microdynamic oxidation reactor suitable for sewage treatment. Bamboo charcoal is used as the carrier, modified by surface modification, and sintered to prepare a huge area of ​​particle catalytic reaction layer, which is respectively loaded into the pre-oxidation chamber, main oxidation chamber and deep oxidation chamber of the oxidation reactor for three-stage oxidation treatment and decomposition. The oxidation reactor of the present invention is aimed at the special conditions of large temperature difference in seasonal climate changes and unstable water volume, which can be immediately opened and closed to treat sewage. Using this technical device can realize low energy consumption and intermittent operation, and achieve effective treatment with high efficiency and energy saving. So as to achieve the purpose of protecting the environment.