171results about How to "Significant technology" patented technology

The invention provides a whole process construction method of driven cast-in-place piles and a special device for the same. The special device comprises pile pipes and base plates, wherein the pile pipes comprise class-A pile pipes, class-B pile pipes and class-C pile pipes. The whole process construction method comprises a pile testing method, a pile manufacturing method, a pile measuring method and a bottom vibration method for inserting reinforcement cages later. The construction method and the device have the following beneficial effects: the problem of higher control difficulty and pile tip cost of the traditional internally driven piles is solved; compared with the long augered press-grouting piles, the driven cast-in-place piles manufactured with the construction method have the pile tip bearing capacity improved by several times; with respect to the aspects of pile testing and pile measuring, the pile tip resistance is obtained not by pressing the whole piles but by pressing the cast-in-place pipes or inner tips with sections being much smaller than the sections of the whole piles, the pressed pile tonnage is greatly reduced and the pile testing and measuring costs and construction periods can be substantially reduced; the ultimate resistance of the tips of the long augered press-grouting piles with diameter being 800mm under the given soil horizon condition is within 400t, but the ultimate resistance of the tips of the piles manufactured by using the construction method exceeds 1300t, which is more than three times that of the tips of the long augered press-grouting piles; and the construction method and the device have good technical and economic benefits.

The invention relates to a high-temperature steel slag bottom blowing air cooling crushing waste heat recovery device and method. A crushing bed is adopted as a high-temperature steel slag treatment carrier, a crusher is adopted for efficiently crushing steel slag, meanwhile, cold air is introduced into a bottom blowing air cooling box to solidify and cool the high-temperature steel slag, and meanwhile, the crusher rotates at a certain speed, moves forwards and backwards and rotates to crush the steel slag. A heat exchanger and a generator are adopted for cooling the high-temperature steel slag to generate high-temperature waste heat for recovery and power generation. The crushing capacity is high, the steel slag treatment efficiency is greatly improved, and meanwhile, waste heat recoveryand power generation can be realized by adopting air cooling heat exchange. Efficient crushing and waste heat recovery of the high-temperature steel slag are realized, a steel slag water cooling system device is omitted, a simple dry dust removal mode is adopted to replace a wet flue gas treatment system caused by a previous water cooling process, the advantages of being high in automation degree,small in space occupation, good in leakproofness, low in system investment, capable of achieving ultra-clean emission and the like are achieved, and the comprehensive economic benefits of steel slagtreatment are improved.

The invention relates to a new glass-lined reactor and a manufacturing method thereof which are used in the chemical and pharmaceutical industries and belong to the field of pressure vessels. The reactor is characterized in that new inner cylinder bodies and new outer jackets are welded into an integral structure; glass-lined protection glaze layers are coated and fired on the surfaces of butt welds on the inner cylinder bodies and the outer jackets; and the Supervision Regulation on Safety Technology for Pressure Vessel is comprehensively realized. The manufacturing method is characterized in that a precisely controlled inner heated electric furnace formed by intelligent temperature program controllers/regulators/recorders is adopted to implement staged controlled firing and an integral firing process with jackets; and full-automatic glaze slurry spraying equipment and an electrical heating and temperature controlling insulating cylinder are adopted for manufacturing. The reactor and the manufacturing method have the following advantages: the reactor initiates and lays a foundation for that the manufacturing technology standards of the glass-lined reactors in China all realize the Supervision Regulation on Safety Technology for Pressure Vessel and initiates and lays a foundation for datamation and automation of the core technology of controlled enamelling; the integral quality of the reactor is obviously superior to the current national standard; the reactor steps and is developed to innovate and be ahead of the conditions that the international outer heated electric furnace iron billets have no alternative to secondary forming during manufacturing and the core technology of controlled enamelling has the defect of uneven heating; and the integral quality of the reactor is superior to the international leading level, therefore the reactor has global market competitiveness.

The invention provides a novel energy-saving radial sliding bearing, which is formed by matching a shaft and a bearing sleeve hole or bearing block hole. A bearing sleeve hole wall or bearing block hole wall at an inlet region of a convergent wedge-shaped pore of the bearing is coated by a thin layer material, and the surface-treated bearing sleeve hole wall or bearing block hole wall is paired with the shaft; a gap formed between the bearing sleeve hole wall or bearing block hole wall and the shaft is filled with lubricating oil. The novel energy-saving radial sliding bearing designed by adopting an interface slip technology and adopting a surface coating method has the advantages of great carrying capacity, low coefficient of friction and excellent energy-saving performance. Compared with the traditional interface-slip-free radial sliding bearing, the bearing provided by the invention has the advantages of obviously improved carrying capacity, and obviously improved antifriction and energy-saving performances, thus having an important application value.

The invention discloses a 'ceramic product made of dangerous wastes and solid wastes', and relates to a ceramic product made of various dangerous wastes, solid wastes and soil polluted by the dangerous wastes by a traditional ceramic production process. The ceramic product comprises an art ceramic product, a chemical ceramic product, a filling ceramic product in a heat exchange or mixing or reaction device, a building ceramic product, a sanitary ceramic product, a daily ceramic product, a ceramic solar panel product and an infrared emitter ceramic product. Total chromium in leach liquor of the ceramic product is less than 1.5mg/L, hexavalent chromium is less than 0.5mg/L, barium is less than 10mg/L, nickel is less than 0.3mg/L, copper is less than 20mg/L, manganese is less than 40mg/L, mercury is less than 0.03mg/L, zinc is less than 40mg/L, lead is less than 0.15mg/L, cadmium is less than 0.1mg/L, beryllium is less than 0.012mg/L, arsenic is less than 0.2mg/L, and selenium is less than 0.7mg/L.

The invention discloses a current meter high-speed linear formula integration detection method and a detection device. The method comprises the following steps: cleaning a ball bearing; detecting average frictional resistance moment M of the ball bearing; detecting a propeller current meter rotating speed V0 and an instrument rotation bearing internal frictional resistance moment M, and confirming that a standard is reached; fixedly installing three detected current meters at the lower end of a measuring rod and placing them into water of a detection water tank; adjusting an axial directions of the current meters; tranquilizing a water body in the tank; starting a motor, a detection vehicle running from a lowest speed and gradually increasing its speed, and detecting instrument output signals and data; and according to a GB/T21699 detection method of rotor type current meter in linear open channel, by use of a least square method, calculating values of a and b of a detection formula and a middle and high-speed whole-line average mean square deviation sigma. According to the invention, the program and steps of a conventional detection method in the prior art are substantially simplified, the precision of detection results of the current meters can be ensured, at the same time, the production efficiency is improved, the working conditions are improved, the management rules are simplified, manpower and material resources are reduced, and the production operation cost is decreased.

The invention relates to garbage hazard-free comprehensive treatment equipment, comprising a fermentation cabin, a hopper, a belt conveyor, an m type spiral selection type sorting machine, a magnetic separator, a winnowing machine, a vibrating screen, a motor, a chained screening conveyor, a case and a support. The equipment has large daily throughput, high sorting efficiency and multiple recovery types, thus being applicable to various mixed garbage; no secondary pollution is produced, thus completely meeting the requirement of national municipal solid waste 'reduction, reclamation, hazard-free treatment and industrialization', effectively control environmental pollution and protecting ecology environment; equipment is reasonable in configuration, production technology is advanced, technology is mature, social benefit thereof is obvious; and end product has super quality and competitive price, recovery rate is high, and market space is large.

The invention discloses a chemical improving method using a soft rock weathered material as a high-speed railway subgrade filler, comprising the following steps of: (1) selecting a soft rock weathered material with crushing rate of more than 40% and disintegration rate of less than 30%; (2) making a filler with maximum particle size of less than 40 mm by the soft rock weathered material, wherein the content of particles with particle sizes of 20-40 mm in the filler is less than 20% while the content of the particles with particle sizes of less than 10 mm is more than 60%; (3) adding a doping agent to form improved soil; (4) blending the improved soil until the improved soil is uniformly blended; and (5) carrying out saturated unconfined compressive strength testing on the improved soil for seven days, and if the seven-day saturated unconfined compressive strength of the improved soil is more than 300 kpa, using the improved soil as the high-speed railway subgrade filler. The soft rock weathered material can reach the standard of the high-speed railway subgrade filler after improved by the chemical improving method, and then the engineering cost can be largely reduced, waste materials are reduced, the environment is protected, and finally, good economic, technological, environmental and social benefits are obtained.

The invention discloses a method for pretreating and strengthening sludge dehydration by using acetylene sludge. The method comprises adding a modifier and extruded sludge into sludge, wherein acetylene sludge is added before the modifier is added. The method comprises the following steps of: a, doping sludge of which the water content is higher than 70 percent into acetylene sludge, and stirringand mixing uniformly to obtain mixed sludge, wherein the doping amount of the acetylene sludge is 1-50 percent by volume based on the total amount of the sludge; b, continually adding a modifier in an amount which is 0.5-2 percent by volume based on the total amount of the sludge, and stirring to obtain sludge into which the modifier is added; and c, feeding the sludge into which the modifier is added into a plate-and-frame type filter press for extruding to obtain a dehydrated mud cake. In the method, the acetylene sludge is used together with a general modifier, so that the dehydration rateof mechanical filter pressing is increased, the amount and volume of sludge are reduced, and the dehydration energy consumption is lowered greatly simultaneously. In the method, useful components in acetylene sludge are fully utilized, the aims of changing waste into valuable and protecting the environment are fulfilled, and positive technical progress and remarkable economic effect are achieved.

The invention discloses special mortar for aerated concrete using red mud as an inorganic mineral thickening agent. The mortar is formed by mixing the following components in percentage by mass: 15-20 percent of cement, 5-10 percent of fly ash, 5-10 percent of red mud, 65-70 percent of phosphorus slag granules, 0.1-0.2 percent of admixture and the balance of water, wherein the water adding amount is based on the consistency controlled at 80-120 millimeters. The characteristic of strong water holding property of the red mud is used in the mortar, and the red mud is used as the inorganic mineral thickening agent, so that the water holding property of the mortar is increased under the condition that other mineral thickening agents are not added, and the workability of the mortar is improved; and meanwhile, the phosphorus slag is used as a fine mortar aggregate, so that the production cost is greatly reduced on the premise that the strength and the other properties meet the requirements of the special mortar for the aerated concrete, the environmental pollution is reduced, and greening of pre-mixed commodity mortar production is realized.

The invention provides a high-capacity K-type composite glass-lined reaction pot and a manufacturing method thereof, which belongs to first/second-class pressured-vessel reaction equipment used in the chemical engineering or pharmaceutical industry. The K-type composite glass-lined reaction pot is characterized in that the capacity of the reaction pot is over 10 kilolitres; the inner wall of an inner tube body of a pot body is coated with a glass-lined enamel layer; and the inner wall of a pot cover is lined with organic material. The method has the advantages that the method initiates that the manufacture of iron blank comprehensively meets the standard of pressured vessels; an outer jacket is an integral-structure piece and is welded to the inner tube body so as to form the pot body; the thickness of a steel plate of the outer jacket increases by 2 to 6 millimeters according to the standard of the prior design; the outer wall of the outer jacket is coated with an enamel layer; by applying a multifunctional temperature-control precision inner-heating type electric furnace and implementing a novel enamel firing process of combining the hoisting and autorotation of a glass-lined pot body, the glass-lined pot body of which the surface of a big flange of a pot mouth is nearly free from deformation can be repaired and reused after the glass-lined pot body is damaged; as the inner wall of the pot cover is lined with the organic material and the outer wall of the pot cover is sprayed with KTS enamel, the pot cover is high in manufacture precision, durable and easy to repair; a stirring blade propeller is enlarged; production efficiency is improved; the invention promotes the important development of the prior Chinese Standard to overtake international technical standards; and the method and the pot have extremely remarkable economic benefit and social benefit.

The related data transmission method for a data flexible bus comprises: when obtaining data, for different condition, the sub system selects different method from active request, passive accepting data as subscription or distribution, and first passive then active request. This invention can improve data processing and transmission efficiency for metallurgical company, reduces development greatly, and shortcuts period.

The invention discloses a composite sand core for metal mold casting and a preparation method of the composite sand core for the metal mold casting. The preparation method of the composite sand core for the metal mold casting comprises the steps that firstly, a heat-resistant core head is manufactured from ceramic materials or heat-resistant sand blocks; the core head is placed at a corresponding position in a core box; core sand obtained through even mixing of sand, water and an additive is placed in the core box and compacted; and finally, freezing is conducted, and then the composite sand core is obtained. By the adoption of the composite sand core for the metal mold casting and the preparation method of the composite sand core for the metal mold casting, heat transmitted by a high-temperature metal mold to a frozen sand core body can be greatly reduced, the frozen sand core placed in the metal mold can maintain high strength for certain time, so that metal mold casting technological requirements are met, and it is possible that the environment-friendly excellent-performance frozen sand core can be applied to metal mold gravity casting, low-pressure casting and the like.

The invention discloses an ecological aluminium oxide melamine wood door, which is formed by an interlayer door frame and decorating plates which are pressed on the front and rear sides of the interlayer door frame. The ecological aluminium oxide melamine wood door is characterized in that: the decorating plates adopt melamine plates; an anti-wear agent prepared from aluminium oxide is laminated on the sides of the melamine plates; and the front and rear sides of the interlayer door frame are coated with polystyrene foams and then the melamine plates are pressed on the two sides by a hot press or a cold press. The ecological aluminium oxide melamine wood door and the preparation method thereof can not only solve the problem of wasting timber resources and simplify the production process, but also overcome the shortcoming of complicated process of the production method. The product cost is greatly reduced and the production cycle is shortened.

The invention belongs to the composite material field and discloses a high-flow heat-conducting nylon composite material, a preparation method and an application thereof. The high-flow heat-conductingnylon composite material comprises nylon resin, heat conductive filler, melamine cyanurate and optionally glass fiber, toughening agent, whitening agent, antioxidant, lubricant and coupling agent, The heat conductive filler is hydroxide, and the weight ratio of the heat conductive filler, the melamine cyanurate and the nylon resin is (0.5-2):(0.04-0.13): 1. The nylon composite material provided by the invention has the advantages of high fluidity and high thermal conductivity, and can be well applied in the fields of home appliances, lighting and the like, especially in some thin-wall products, and has remarkable technical and market value.

The invention relates to the technical field of agricultural plant protection and in particular provides a paddy field plant protection amphibious aircraft. The amphibious aircraft comprises an automatic water taking and pesticide mixing system, a spray system, a flying system, a direction control system, a ship body and a support. The water taking and pesticide mixing system is connected with the spray system; the ship body is located under the support; the water taking and pesticide mixing system, the spray system, the flying system and the direction control system are borne by the support. The amphibious aircraft is simple in structure, light, and low in cost, can move conveniently and rapidly when working in paddy fields, solves the problem of difficulty in walking of paddy field plant protection machines, and increases the production efficiency and economic benefit.

The invention provides a lily cultivating substrate made of corn stalks. The cultivating substrate is prepared in such a way that corn stalks, perlite, sand, turf, and the like are mixed according to a certain volume ratio. The cultivating substrate improves physicochemical properties of the prior single substrate, has wide sources of all single components, convenient material acquisition and low cost, replaces a nonrenewable substrate, namely turf greatly used in the current flower production by a corn stalk part, reduces the production cost on the premise of ensuring the quality of lily cut flowers and has obvious benefits of society, economy and environmental ecology.