10 results about "Metal cleaner" patented technology

A grease suitable for high-temperature applications and a cost-effective alternative to lithium grease. The grease can be prepared from an oil of lubricating viscosity; 1.0–22.5% by weight of an overbasic metal cleaner; 5.0–18.5% by weight of a metal carboxylate soap component, which is a reaction product of metal hydroxides and / or metal carbonates with fatty acids; 0.2–8.0% by weight of an oxygenation accelerator (e.g., alcohol and / or organic acid); and 1–15% by weight of water. The grease has a dropping point of at least 220°C, as measured using ASTM D2265.

The utility model discloses a metal cleaning agent viscosity detection device, including detection jar still include: fixed mounting on the upper portion of detection jar's motor, fixed mounting is in the lower portion of motor output shaft's support frame, and support frame rotatory mounting is in the inside of detection jar, rotatory mounting is in the outside of support frame's impeller, and impeller and detection jar inner wall rolling adhesion, fixed in the upper portion of impeller's gear, fixed in the upper portion of detection jar's gear ring, and gear ring and gear engagement connection, the utility model discloses a motor is set up on the upper portion of detection jar, drives the support frame rotation connected below output shaft, thereby drive installation on support frame's impeller realizes synchronous movement, and impeller keeps rolling adhesion through its outer edge and detection jar inner wall, and under the drive of motor, relies on gear and the gear ring engagement of fixed in the upper portion of detection jar and generates double -motion: on one side, impeller revolves around detection jar inner wall, on the other side, impeller revolves around its axle center, realizes all -round wiping and cleaning to the jar body inner wall.

A lubricating oil composition may include a base oil (A), succinimide (B) which has not been modified with boron, succinimide (C) modified with boron, a metallic detergent (D), and an antioxidant (E), wherein the ratio of the content of boron atoms derived from ingredient (C) to the content of nitrogen atoms derived from ingredients (B) and (C), B / N, is 0.30 or less by mass, the lubricating oil composition satisfying requirement (I) and / or requirement (II). Requirement (I): Ingredient (D) includes a metallic detergent (D1) having a base value less than 100 mgKOH / g. Requirement (II): Ingredient (E) includes an amine-based antioxidant (E1), the content of ingredient (E1) being 1.00 mass % or less.

This invention relates to a method of reducing abnormal combustion events in a hydrogen fueled internal combustion engine (HICE) during operation of the engine. The method includes the steps of: a) providing to the HICE a lubricating oil composition including or resulting from the admixing of: i) a base oil having a KV100 of less than or equal to 12 cSt and included at greater than 50 wt. % of the composition and comprising a Group I base oil, a Group II base oil, a Group III base oil, a Group IV base oil, or combinations thereof; ii) at least one overbased metal containing detergent with a Total Base Number (KOH / g) greater than or equal to 9 and less than or equal to 500 and included at a treat level to deliver between 100 to 5000 ppm by weight of total metal and between 0.15 wt. % to 8.0 wt. % of total soap to the composition; iii) at least one silicon containing compound included at a treat level to deliver between 50 to 900 ppm by weight of total silicon to the composition; and iv) the lubricating oil composition having a total sulfated ash of less than or equal to 2.0 wt. %, a total phosphorous level of less than or equal to 0.120 wt. %, and a SAE viscosity grade of 25W-X, 20W-X, 15W-X, 10W-X, 5W-X or 0W-X, where X represents any one of 8, 12, 16, 20, 30, 40, 50 or 60; b) providing a fuel comprising hydrogen to the HICE; and c) combusting the fuel in the HICE. Also provided are a lubricating oil composition and a concentrate for use in a HICE to reduce the propensity for abnormal combustion events.

The utility model relates to the technical field of ultrasonic cleaning, and discloses an ultrasonic cleaning machine used for testing a metal cleaning agent, a control panel is fixedly installed on the front face of a cabinet body, a top cover is fixedly installed on the top face of the cabinet body through a hinge, visual glass is fixedly installed on the top face of the top cover, and the visual glass is fixedly installed on the top face of the cabinet body. A cleaning tank is fixedly mounted on the inner side of the cabinet body, a sample reserving cup is arranged on the top surface of the cleaning tank, a digital identifier is fixedly mounted on the top surface of the cleaning tank, and a cleaning basket I, a cleaning basket II and a cleaning basket III are arranged on the top surface of the cleaning tank. According to the ultrasonic cleaning machine for testing the metal cleaning agent, the metal cleaning agent needing to be tested is firstly sampled and poured into a sample reserving cup, then metal is placed in a first cleaning basket, a second cleaning basket and a third cleaning basket, and at the moment, an electric telescopic rod is controlled by a control panel to stretch out and draw back; and the cleaning basket I, the cleaning basket II and the cleaning basket III descend to the bottom surface of the inner side of the cleaning tank.

The utility model provides a kind of metal cleaning agent production on-line sampling device, belong to cleaning agent production and processing technical field, including sheath pipe, telescopic pipe body, sampling assembly and flexible seal ring;Sheath pipe longitudinally extends into the sampling port of reaction kettle;Telescopic pipe body includes fixed pipe body and extension pipe body, fixed pipe body is from top to bottom and is arranged in the inside of sheath pipe, extension pipe body is longitudinally moved and is arranged in the inside of fixed pipe body, the lower end of extension pipe body is from the lower end opening of sheath pipe and extends;Sampling assembly includes sampling hose and sampling head, sampling head is connected the lower end of extension pipe body;The outer diameter of sampling head is consistent with the outer diameter of extension pipe body;Flexible seal ring is located at the bottom of sheath pipe, the inside of flexible seal ring is used to adhere the outside wall of extension pipe body.The metal cleaning agent production on-line sampling device provided by the utility model removes the residue on the outside wall of extension pipe body after sampling is completed;It can also close the inner cavity of sheath pipe, to avoid reactant into.

The utility model relates to the technical field of detergent storage, and disclose a metal detergent storage device, including storage box, be equipped with the surging inflation structure on the storage box, the surging inflation structure includes the motor and air machine fixedly installed in the storage box outside surface, the motor output fixedly installed with the pivot extending to the storage box, pivot surface fixedly installed with connecting telescopic subassembly and connecting pipe, connecting telescopic subassembly surface fixedly installed with the push -plate, connecting pipe one end fixedly installed with the check valve, check valve one end fixedly installed with the bubble stone. This metal detergent storage device, through setting up the surging inflation structure on the storage box, utilizes motor to drive pivot rotation, and the push -plate on the pivot can stir the metal detergent in the storage box, makes the detergent to be in dynamic state, breaks its static stratification, is favorable to the detergent and air contact promotes the internal material mixing of detergent.

Alcohol-resistant, low-viscosity lubricating oil composition and its use. The components of the lubricating oil composition include: 0.6-1.0% of a metal detergent, 6.0-10.0% of an ashless dispersant, 0.5-2.0% of an antioxidant anti-wear agent, 1.0-2.0% of a metal deactivator, 0.2-1.0% of a high-pressure anti-wear agent, 3.0-5.0% of a viscosity index improver, 0.1-0.2% of a pour point depressant, 0.001-0.010% of an antifoaming agent, and 30.0-50.0% of a CTL base oil, the remainder being an API Group III base oil. The lubricating oil composition exhibits good wear resistance and good cold-start properties at low temperatures.

The invention discloses a low-foam high-efficiency water-based metal cleaning agent and a preparation method thereof. The low-foam high-efficiency water-based metal cleaning agent comprises the following components in percentage by mass: 3-5% of a chelating dispersant; 15 to 25 percent of a compound surfactant; 0.5-2% of a corrosion inhibitor; 0.5-1% of a defoaming agent with quaternary ammonium salt cations; and the balance of water. The compound surfactant is prepared by compounding the following components in percentage by mass: 85%-90% of a nonionic surfactant, 1%-5% of a cationic surfactant and 5%-10% of an anionic surfactant. The cationic polyether modified silicon defoaming agent, the chelating dispersant, the surfactant and the corrosion inhibitor are compounded, so that the cleaning agent has excellent cleaning capacity for removing grease and solid particles, also has excellent anti-rust performance, can stably exist under high and low temperature storage, and has excellent defoaming and foam inhibition performance.

This invention provides a steel-wood composite arch structure, divided into glued composite arches and bolted composite arches. The glued composite arch includes: a steel arch, the surface of which is cleaned of oil and dust using a metal cleaner and alcohol, and welding slag generated during welding is ground off using an angle grinder; plywood boards, the surface of which is cleaned of dust using sandpaper; epoxy resin adhesive, evenly applied to the bonding surfaces of the steel and wood, clamped with G-clamps, left to stand for 48 hours, and then the clamps are removed. The bolted composite arch includes: a steel arch, bolt holes drilled, the surface of which is cleaned of stains using a metal cleaner and alcohol, and welding slag is ground off using an angle grinder; plywood boards, the surface of which is cleaned of dust using sandpaper, assembled onto the steel arch, secured with G-clamps, bolt holes drilled in the plywood boards; bolts, passed through the bolt holes, tightened, and then the clamps are removed. This invention can improve the load-bearing capacity of wooden arches with the same cross-section, and has the characteristics of beautiful appearance, reasonable stress distribution, and environmental friendliness, showing great development prospects.