34results about How to "No air lock" patented technology

The invention belongs to the field of clean fuels, and particularly relates to a compound additive for reducing saturated vapor pressure of methanol gasoline, and a preparation method for the compound additive, and application of the compound additive to preparation of M15-M25 methanol gasoline. The compound additive for the methanol gasoline consists of cosolvent, a dispersion stabilizer, a power accelerator, a vapor pressure adjustment inhibitor, a rubber swelling inhibitor, and a metal corrosion inhibitor in a selected weight part ratio. The compound additive for the methanol gasoline can effectively reduce the saturated vapor pressure of the methanol gasoline; even the compound additive is used in summer, the relative specification can also be met, the phenomenon of air resistance is avoided, and the technical problem that the methanol gasoline in a low proportion produces air resistance possibly in high-temperature summer, and cannot be supplied smoothly can be completely solved.

The invention relates to a kind of environment-friendly lead-free gasoline which includes the following ingredients: 25-35wt% part of gasoline (or light oil / naphtha), 25-35wt% part of methanol, 5-10wt% of n-butanol, 13-29wt% of avantin, 4-10wt% of absolute alcohol, 1-1.5wt% of acetone, 2-2.5wt% of oil benzene, 8-23wt% of di-isobutyl ether and 0.5-1wt% of nucleus additive. The mentioned additive includes the following ingredients: 20-25wt% of acetone, 10-21wt% of isobutanol, 5-15wt% part of kerosene, 25-40wt% part of dimethyl benzene and 6-14wt% part of the gasoline quieting, anti-oxygen, anti-detonate, and anti-corrosion agent. Adding the mentioned material according to the ratio to the reactor and agitating pots, synthesizing for 15-30 minutes; agitating the material in the static admixer to get the gasoline which has good evaporating ability, anti- detonate ability, safe charactiristic, anti-corrosion ability, compatibility and environment-friendly quality.

The invention discloses a mechanical steam recompressing evaporation system and an energy saving method, and belongs to the technical fields of evaporation and energy conservation. The mechanical steam recompressing evaporation system is designed for solving the problems that an existing MVR system forms scales, corrodes, and is high in manufacturing cost and energy consumption in the industrial wastewater treatment and recover processes. The evaporation system comprises a stock solution storage tank, a pretreater, a heat exchange device, an evaporation and condensation device and a condensed water recovery pond, wherein the stock solution storage tank, the pretreater, the heat exchange device, the evaporation and condensation device and the condensed water recovery pond are sequentially connected in the flowing direction of liquid. The evaporation and condensation device comprises a plurality of evaporators, a plurality of condensers and an electromagnetic induction heater, the evaporators and the condensers are arranged in a separated mode through a plurality of thin polymer films; the heat exchange device is connected with the evaporators through a circulating liquid system, the evaporators are connected with the condensers through fans, and the condensers are connected with the condensed water recovery pond through the heat exchange device. The invention further provides the energy-saving method of the evaporation system. The thin polymer films are used for replacing metal films of the existing MVR system to manufacture the evaporation and condensation device, the evaporation and condensation device has the equivalent heat transfer effect as the metal-film evaporation and condensation device, and the problems of corrosion and scale forming on the surfaces of the evaporators are solved.

The invention discloses high-energy composite alcohol radical gasoline. The high-energy composite alcohol radical gasoline is prepared from a modified additive, methanol and gasoline, wherein the modified additive is prepared from a cosolvent, a corrosion inhibitor, a detergent dispersant, a rubber plasticizer and a vapor pressure inhibitor. The invention also discloses a preparation method of the high-energy composite alcohol radical gasoline. With the adoption of the high-energy composite alcohol radical gasoline, the formula design is unique and reasonable, the intersolubility is good, the layering problem of methanol and gasoline is effectively solved, the water resistance is improved, the low-temperature ignition startability is good, the anti-corrosion swelling property is strong, no air-lock phenomenon occurs under extreme high temperature weather, the high-temperature lubricity is good, no destructiveness exists to engine oil, and the exhaust emission is superior to that of conventional petrochemical gasoline. The preparation method is simple in preparation process, is low in production cost, is easily implemented, is high in production efficiency, and is suitable for being widely popularized and applied.

This invention discloses a catalytic converter exhaust pipe installation of removable structure for the exhaust pipe segmental, one section of which is connected with the engine, the other one with the muffler extinguishers, and they are fixed on the vehicle chassis. Segmental exhaust pipe on the adjacent side is fixed with catalytic converters used in the connector, one connecting level-hole with large-diameter pipe is put in a fixed link, catalytic converters installed in the casing at the height limit and within the hole the hole shoulder, another connector to the hole with step nut sets, the stage-hole path in space with another cut exhaust pipe, nut sets stage large diameter hole in a ring-sealed trap in the exhaust pipe , nut sets the stage-hole large-diameter casing installed in the thread and thread with nut sets of clamping ring withstood a catalytic converter will be sealed and catalytic converters in the positioning of the casing. It can make catalytic converters easily fixed in the exhaust pipe, and the demolition, the replacement is very convenient. It is good at sealing and looks nice.

The invention relates to a liquefied natural gas (LNG)-fuel oil combined injection wharf boat which comprises a hold floor, a ballast system, a cargo oil tank ventilation system, a firefighting water mist and water curtain system, a whole ship ventilation and measurement system and a refueling system, wherein the hold floor is arranged in a cabin. The refueling system is provided with a refueling pipe system. According to the LNG-fuel oil combined injection wharf boat, overwater supply requirements are met, cleanliness and environment friendliness are achieved, the automation degree is high, and the energy-saving and emission reduction performance is good; and in addition, the informatization degree of the LNG-fuel oil combined injection wharf boat is higher than that of boats of the same type, the safety is good, the cost is low, the continuous injection capacity is high, and the comprehensive injection benefits are improved.