48results about How to "Improve oil discharge effect" patented technology

The invention provides a fluoro-free extreme-pressure microemulsion cutting liquid, whose constituents by weight percentage include water 20-40, mixed alkylolamide 6-12, boracic acid 2-6, sulfonates rust-preventing agent 8-12, auxiliary agent 1-5%, anionic surface active agent 8-12, polybasic alcohol 2-6, sulfurized grease 4-10, mineral oil 15-30, benzotrizaole 0.1-0.3. The invention also provides a process for preparing the liquid.

The present invention provides a rotor bearing support structure and supercharger. The half-floating liner sleeve comprises a first bearing part, a middle liner sleeve part and a second bearing part. The end edge (39ai) at the inner circumferential face of the first bearing part is arranged more closely to the impellers (7) of a compressor than the end edge (39ao) at the outer circumferential face; the end edge (39bi) at the inner circumferential face of the second bearing part is arranged more closely to the impellers of a turbinate than the end edge (39bo) at the outer circumferential face of the second bearing part. The outer circumferential face of the middle sleeve except the part adjacent to one side of the first bearing part is provided with an oil container. The lower part of the middle liner sleeve is provided with oil discharging holes. The lower side of the half floating liner sleeve of the support base is provided with oil discharging channels.

The invention discloses an adjustable filtration type oil separating tank device for separating oil-water mixture. The oil separating tank device comprises an oil-water separation box shell, a backflow baffle, an oil-water separation film, an oil-water separation film support net, a funnel type box bottom shell and a deflection baffle, wherein an area of the oil-water separation film is a filtration area; the upper part of the filtration area is a flotation oil area; the lower part of the filtration area is a buffering and settling area; the backflow baffle is arranged at an oil outlet; an oil-water separation film set which can be adjusted up and down and is spaced from the oil-water separation film support net is arranged; an oil-water mixture inlet and a water outlet are formed in two sides of the deflection baffle respectively; a sewage outlet is formed in the bottom of the funnel type box bottom shell; the area of the deflection baffle is an oil-water-solid particle buffering and settling area; a master valve is arranged at the water inlet; a sludge discharging valve is arranged at the sewage outlet located under a sludge-sand buffering and settling area; a sludge discharging pipe is connected with the sewage outlet in turn. The adjustable filtration type oil separating tank device is suitable for separating different concentrations of grease sewage by adjusting the position of the oil-water separation film; the oil, water, sludge and sand can be efficiently separated; the wastewater treatment and the resource regeneration and utilization can be facilitated.

A friction plate is formed by circularly fixing a plurality of friction material segments to a substantially annular core plate. A through groove that penetrates from an inside diameter side to an outside diameter side of the core plate is formed between the friction material segments, and each of the friction material segments has a circumferential groove that opens to the through groove, extends in a circumferential direction, and terminates in the friction material segment.

The invention discloses a preparation method of a microemulsion cutting fluid with good oil extraction performance. The method comprises steps of: 1) adding 7-9% of boric acid, 5-7% of diethanol amine, 4-6% of triethanolamine and water in a certain proportion into a reaction tank, and stirring at 40-50 DEG C for 20-30 min; 2) successively adding 5-7% of petroleum sodium sulfonate with concentration of 60%, 6-8% of fatty alcohol-polyoxyethylene ether, 5-7% of sulfonated castor oil soap, 8-10% of polyol oleate, 3-5% of sulfurized aliphatic ester, 0.3-0.5% of benzotriazole and 0.2-0.4% of emulsified silicone oil into 10-12% of naphthenic oil at 40-50 DEG C, and stirring for 30-40 min; and 3) cooling the mixture obtained in the step 2 ) to 30-35 DEG C, then adding the mixture from the step 1), and stirring for 60-90 min.

The invention provides a high-efficiency energy-saving oil mist recoverer. The high-efficiency energy-saving oil mist recoverer comprises a shell, wherein an air inlet and an air outlet are formed in the front part and the rear part of the shell, a front filter, a backward-tilting centrifugal machine and a rear filtering barrel are successively arranged inside the shell, the backward-tilting centrifugal machine is fixed inside the shell by virtue of a fixed bracket, the rear filter barrel comprises a filter barrel cage frame and a filter material wrapping the surface of the filter barrel cage frame, the filter barrel cage frame comprises a side net frame with the upper end and the lower end opened and a conical net frame arranged at the lower end of the side net frame, the air outlet is formed in the rear upper surface of the shell, the upper end of the side net frame is connected with the air outlet, air enters from the air inlet under the effect of the backward-tilting centrifugal machine and is discharged from the air outlet after being filtered by the front filter and the rear filter barrel. The high-efficiency energy-saving oil mist recoverer is small in size, oil is smoothly discharged from the rear filter barrel, and the filtering efficiency is high.

The invention discloses an oil separation and slag removal device which comprises a box body, wherein the box body is sequentially provided with a water inlet, a slag removal region, a first partition, a first oil scraping region, a second partition, a second oil scraping region, a third partition, a transition region and a water outlet from left to right; the slag removal region is provided with a filter frame and a fine filter unit; a first oil collection tank is arranged in the first partition; the first frame is provided with a first oil scraper and an oil scraping plate which communicates the oil scraper with the first oil collection tank; a second oil collection tank is arranged in the third partition; and the inside of the second oil scraping region is provided with a second oil scraper and an oil guide plate which communicates the second oil scraper with the second oil collection tank. The oil separation and slag removal device can implement slag-water separation and oil-water separation more thoroughly, is convenient for oil discharge, and lowers the difficulty of subsequent water treatment.

The invention relates to a spiral flow type oil skimmer, which comprises a support frame and an oil skimmer body, wherein the oil skimmer body is a hollow tube, the upper part of the tube is a vertical straight tube, the upper end of the straight tube is provided with an upper sealing end cover, the lower end of the straight tube is a vertical cone tube, the lower end of the cone tube is providedwith a lower sealing end cover, the surface of the upper end of the straight tube is provided with a liquid inlet pipe in a tangential penetrating way, the center of the upper sealing end cover is provided with a vertical oil discharge pipe, a feedback pipeline in vertical arrangement is arranged in the oil discharge pipe, the feedback pipeline is positioned at an end opening in a straight tube structure and is lower than an end opening of the oil discharge pipe positioned in the straight tube structure, and the surface of the lower end of the cone tube is provided with a liquid outlet pipe in a tangential penetrating way. Water containing oil enters the oil skimmer body in the tangential direction and then descends through rotation, the water has great specific gravity and is gradually concentrated to the inner wall of the tube wall, the oil has small specific gravity and is gradually concentrated to the center of the straight tube, the radial collection speed of the floating oil canreach 10 times of the upward floating speed of the ordinary oil, the collection degree and the upward floating speed of the floating oil are greatly accelerated, the oil skimming speed is effectivelyaccelerated, and in addition, the occurrence of personnel poisoning and fire hazards is avoided.

The invention belongs to the technical field of aviation fuel systems, and in particular relates to an oil drainage method of a split type fuel pump. Residual oil in a pump core is pumped through an oil drainage nozzle which is arranged on the pump core by using a needle cylinder, so that surrounding parts and environment cannot be polluted by fuel during replacement and extraction of the pump core, operations such as cleanup, cleaning and drying required by the parts and the environment which are polluted by the fuel are eliminated, the maintenance workload is reduced, and the maintenance time is shortened. According to the oil drainage method of the split fuel pump, the operation is easy, the use is convenient and the oil drainage effect is good. Equipment adopted in the oil drainage method of the split fuel pump is small in size, light in weight, small in number, easy to configure and carry. According to the oil drainage method of the split fuel pump, power and energy are not needed. The oil drainage method of the split fuel pump is suitable for field application and great in application value. Without the great change of the existing split fuel pump structure, the existing split fuel pump can be assembled, popularized and used.

The invention provides a Surfactin high-yield mutant strain--bacillus subtilis, with the preservation number being GDMCC No: 61604. According to the invention, the high-yield mutant strain is obtained by a compound mutation method combining ultraviolet rays, diethyl sulfate and spaceflight, with high mutation success rate and remarkable effect. The strain can remarkably increase the yield of Surfactin, enhance the activity of Surfactin and effectively resist gram-negative pathogenic bacteria and gram-positive pathogenic bacteria, and is enhanced in foaming performance, improved in emulsifying capacity and enhanced in oil discharge performance. Therefore, the strain can be applied to the fields of food, cosmetics and daily necessities, and also can be applied to the fields of livestock and petroleum, with good application and popularization prospects.

The invention discloses a sewage treatment method of a delayed coking device, belongs to the field of petrochemical engineering, aims to solve the technical problem that coking sewage is difficult totreat such as oil, coke powder and hydrogen sulfide in a delayed coking device at present. The adopted technical scheme is that the method comprises the following steps: pretreatment: adding a demulsifier added with an active conversion agent, a high-efficiency dispersing agent and a flocculating agent into a pretreatment module; oil removing: discharging gas, oil, water and settled sewage from agas-liquid separation area, a floating oil layer area, a sewage separation area and a settling area in a layered mode through a rotational flow air floatation oil removal module, and discharging sewage discharged from the sewage separation area to the downstream to be treated; filtering: carrying out two-stage backwashing filtering by adopting a filtering module, and sending to downstream treatment; and steam stripping: performing steam stripping through a steam stripping tower of a steam stripping module, sending acid gas at the top of the steam stripping tower after steam stripping to the inlet of a coking compressor, and using purified water at the bottom of the steam stripping tower directly as water injected at the top of the coking fractionating tower and in front of a compressed rich gas air cooler or as cold coke water replenishing water.

The earth stove comprises a cooking bench and a wall body which is vertically arranged on the surface of the cooking bench, a mounting cavity which is arranged close to the cooking bench is formed in the front side wall of the wall body, and an oil fume suction device which is used for sucking oil fume is arranged in the mounting cavity. The range hood for the kitchen range comprises the oil smoke suction device and further comprises a power assembly used for providing smoke exhaust power for the oil smoke suction device, and the power assembly is communicated with the oil smoke suction device in an airflow mode. The cooking fume suction device is mounted in the wall body of the cooking stove, so that cooking fume generated in a kitchen can be sucked and exhausted, air in the kitchen can be purified, and a healthy and clean kitchen environment is provided for a user; the oil fume suction device is embedded in the wall body of the cooking bench, can approach oil fume to the maximum extent, improves the oil discharge effect, is convenient to install and assemble, and enables a kitchen to keep overall attractive appearance.