33results about How to "Obvious effect of energy saving and consumption reduction" patented technology

An underground coal gasification method. The method comprises disposing multiple injection wells (3) and gas collection wells (4) in a gasification operation zone; adding a catalyst and a propping agent into injection wells and gas collection wells by means of a fluid medium; fracturing and reforming the coal layer using a fracturing device to form large areas of fissures and cracks; forming gasification paths in the form of directional wells between the injection wells and gas collection wells; adding a gasification agent, a catalyst, and water through the injection wells to cause coal layer combustions and chemical reactions; collecting at the gas collection wells the gas produced by means of collection devices. The fissure paths between the wells formed by reforming large fractures, and the metal mineral particles used as a propping agent for the paths between wells effectively enable the maintenance of the effective communication in the injection well network for long durations; the metal mineral particles also function as a catalyst and an aggregating agent during gasification, thereby substantially enhancing the coal gasification volume.

The invention relates to an A2/O-MBR composite processing system and method based on efficient utilization of carbon source, and belongs to the technical field of sewage treatment. The A2/O-MBR composite processing system based on efficient utilization of carbon source mainly comprises an anaerobic tank, a first anoxic pond, an aerobic tank, an oxygen elimination tank, a second anoxic pond, and a membrane pool, wherein the anaerobic tank is connected with the first anoxic pond, the first anoxic pond is connected with the aerobic tank; the aerobic tank is connected with the oxygen elimination tank; the oxygen elimination tank is connected with the second anoxic pond; and the second anoxic pond is connected with the membrane pool. The A2/O-MBR composite processing system and method based on efficient utilization of carbon source are aimed for requirements of enhanced nitrogen removal of high discharge standard municipal sewage treatment plant; the efficient utilization of carbon source and the enhanced nitrogen removal are achieved by adding the oxygen elimination tank and the anoxic ponds in the conventional A2/O and MBR composite technology system, and using the oxygen elimination tank to remove the adverse effect of the dissolved oxygen to the technology denitrification in the backflow nitrified liquid, and completely using the inner source nitrification effect of the anoxic pond. The A2/O-MBR composite processing system and method based on efficient utilization of carbon source have the advantages that the utilization ratio of carbon source is high, the effect of denitrification and dephosphorization is good, the water quality of the discharged water is good, the ability to resist impact load is strong the effect of saving energy and reducing consumption is obvious, and the like.

The invention discloses an aluminum hydroxide dehydrating agent which consists of the following raw materials by weight percent: 10-20 percent of polyoxyethylene type anionic surfactant, 3-10 percent of polyoxyethylene type nonionic surfactant, 1-3 percent of quaternary ammonium salt cationic surfactant, 1-3 percent of cosolvent and the balance of water. The aluminum hydroxide dehydrating agent has the advantages of being convenient to use, low in cost and obviously reducing moisture content of aluminum hydroxide filter cake during aluminum hydroxide production.

The invention provides a method and a cooler for cooling a hot-state granular material during enhanced convection heat exchange. The method relates to a cooling process of clinker granular materials generated by industrial furnace equipment such as a rotary cement kiln and the like, and through the method, a high-temperature granular material from a rotary kiln is conveyed to a step grate at an inlet of the cooler and then enters a horizontal grate, and cooling air from the downside of the grate passes through the grate to exchange heat with a hot-state granular material layer to achieve an effect of cooling the hot-state granular material; after the material enters the horizontal grate, a reciprocating pendulum sweeping type material-pushing scraper can make the hot-state granular material generate superposition of two motions including forced stirring homogenization and rolling advancing in the process of heat exchange; granules form curve running tracks in a three-dimensional space; the temperature distribution of the material correspondingly trends to be balanced; and the uniform distribution of the granules actively balances the resistance of the whole material layer to ensure that the cooling air is distributed more uniformly, the dependence on an automatic air flow control valve under the grate is reduced, and the heat exchange efficiency and the heat exchange speed are obviously increased.

The invention provides an ultra-high molecular weight polyethylene alloy tube and a preparation method thereof. The tube comprises an alloy tube body and polyethylene composite layers composited on the inner wall and the outer wall of the alloy tube body; each polyethylene composite layer is prepared from, by weight, 40-95 parts of ultra-high molecular weight polyethylene, 3-50 parts of a macromolecule reinforced rheological agent, 2-10 parts of compatilizer, 0.1-2.5 parts of an antioxidant and 0.2-5 parts of additives. According to the ultra-high molecular weight polyethylene alloy tube and the preparation method thereof, the melting viscosity of processing can be reduced, the processing fluidity is improved, tube extrusion molding is prone to occurrence, the tube property is improved, the machine head resistance generated when processing is conducted is reduced, and the production efficiency is improved. More tubes are extruded every hour, the electric energy consumption is less, and the effects of saving energy and reducing consumption are achieved.

The invention relates to the technical field of solid phase synthesis of silicon carbide micro-powder and especially relates to a synthesis method of beta-SiC micro-powder and whiskers. The synthesis method of the beta-SiC micro-powder and whiskers utilizes crushed and uniformly mixed carbon and silicon raw materials as reaction raw materials and is characterized by comprising the following steps of filling the reaction raw materials into a vacuum resistance furnace, closing the vacuum resistance furnace, carrying out vacuum-pumping on the vacuum resistance furnace so that the pressure in the vacuum resistance furnace is below 100Pa, supplying power to the vacuum resistance furnace to heat it to a temperature of 1400-1500K, carrying out heat preservation, stopping the power supply when the pressure in the vacuum resistance furnace is below 10Pa for more than 60min, and carrying out natural cooling to obtain the product. The synthesis method realizes accurate control of beta-SiC micro-powder and whisker synthesis conditions, has a simple process and a low production cost, and can realize industrial synthesis of the beta-SiC micro-powder and whiskers. The beta-SiC micro-powder and whiskers obtained by the synthesis method has high integrity, high purity and good quality.

The invention relates to a casting material for a rear kilneye of a cement rotary kiln rear kiln opening. The casting material is prepared from the following ingredients in parts by weight: 18 to 25 parts of mullite being 8 to 5 mm, 15 to 20 parts of mullite being 5 to 3 mm, 5 to 10 parts of calcium alumino-titanatetitanium calcium aluminate being 3 to 1 mm, 20 to 25 parts of calcium alumino-titanatetitanium calcium aluminate being 1 to 0 mm, 12 to 18 parts of calcium alumino-titanatetitanium calcium aluminate powder not greater than 200 meshes, 6 to 10 parts of alumina powder, 4 to 8 parts ofcalcium aluminate cement, 2 to 4 parts of silica powdersilicon micro powder, 0.01 to 0.03 part of explosion-proof fiber and 0.01 to 0.03 part of water reducing agents. Mullite and calcium alumino-titanatealuminum titanium calcium are used as composite aggregates; mullite reaction in substrates and material phase change in calcium alumino-titanatetitanium calcium aluminate are used for generatingmicro expansion effects; the thermal shock resistanceheat shock resistant performance of the casting materials is improved; meanwhile, the oxidization phenomenon due to introduction of silicon carbidematerials is also avoided.

The invention discloses a flow-adjustable duckbill valve. The flux-adjustable duckbill valve comprises a valve body and a flow regulator arranged in the valve body, wherein the valve body sequentially comprises an inlet section, an elastic flat-cone-shaped transition section and an elastic tabular outlet section; the flow regulator comprises an outer pipe and an inner pipe which are sleeved with each other, a gap for media to flow is formed between the inner wall of the outer pipe and the outer wall of the connecting section, at least one shunting hole communicated with the gap is formed in the side wall of the connecting section, an outlet hole for the media to flow out is formed in the lower end part of the outer pipe and is located in the transition section (12), and a blocking end for blocking the outlet hole is arranged at the lower end part of the connecting section. The flow-adjustable duckbill valve has the advantage of being suitable for different working environments through regulating the flow according to requirements; the circulation tracks of the media are changed through the flow regulator arranged in the valve body, so that the gap at a valve mouth cannot be deformed due to the large-area circulation of the media, and the service life is prolonged.

The invention discloses an inhibitor for eliminating filament breakage in the process of producing alkali-free glass fibers. A raw material of coal-measures kaoline, hard kaolin or refractory clay is subjected to ore proportioning, crushing and grading to prepare superfine powder, namely the inhibitor, and the inhibitor comprises 44.0 to 50.0 percent of SiO2, 36 to 42 percent of Al2O3, 0.3 to 0.8 percent of Fe2O3, 0.5 to 2.0 percent of TiO2, 0.1 to 1.5 percent of K2O+NaO2, 0.1 to 1.5 percent of CaO+MgO and 12 to 16 percent of H2O. The inhibitor accelerates glass generation and reduces energy consumption by controlling product granular size and size distribution and other means, and prevents minerals from changing phase and further generating impurities so as to reduce the phenomenon of filament breakage. The product can completely replace alkali-free clay powder used in the conventional glass fiber industry.

The invention discloses a soot blowing system for a horizontal flue of a boiler, wherein the soot blowing system performs coupling optimization of air leakage recovery of an existing rotary air preheater and soot blowing of the horizontal flue. The soot blowing system comprises a soot blowing nozzle and a soot blowing air duct connected to the inlet of the soot blowing nozzle, wherein the outlet of the soot blowing nozzle is arranged in the horizontal flue; the boiler is equipped with rotary air preheaters; the sealing gaps of the rotary air preheaters are provided with negative pressure air chambers which are connected to the inlets of booster fans through air leakage collecting air ducts; the outlets of the booster fans are connected to the soot blowing air duct; the air leakage collecting air ducts are provided with adjustment blocking plates which are used for adjusting the air volume of corresponding pipelines; and the soot blowing nozzle adopts a continuous blowing-swinging operation mode. The soot blowing system for the horizontal flue of the boiler has good economy. The reliability of the soot blowing nozzle is high. The effect of energy conservation and consumption reduction is significant.