96results about How to "Quick rust removal" patented technology

The invention belongs to the technical field of buildings, particularly discloses a steel pipe surface rust removal and dirt removal device based on building site construction, and puts forward the following scheme to solve the problems that steel pipes are not clamped sufficiently stably, the rust removal effect is poor, rust stains during rust removal are not cleared timely and caked rust stainscan damage abrasion pieces. The steel pipe surface rust removal and dirt removal device comprises a mounting base; a fixing frame is arranged on the outer wall of the top of the mounting base; a first motor casing is arranged on the outer wall of one side of the top of the mounting base; a first motor is arranged on the inner wall of one side of the first motor casing; a first rotating rod is arranged on an output shaft of the first motor; and first belt wheels are distributed on the outer wall of the first rotating rod at equal intervals. By the aid of the device, rust blocks already bulgingfrom the surfaces of the steel pipes are removed, an abrasion belt is prevented from being scratched by blocky rust stains, the surfaces of the steel pipes are polished sufficiently by the aid of abrasion teeth, the steel pipes are fixed sufficiently, acid pickling is performed on the surfaces of the steel pipes, and the functions of cleaning while rust removal can be realized.

The invention discloses a pipeline outer wall rust removal device for civil engineering. The rust removal device comprises a base, two side plates are symmetrically and fixedly arranged on the left side and the right side of the base, a top plate is fixedly arranged at the tops of the side plates, two first motors are symmetrically and fixedly arranged on the inner sides of the two side plates, rotating discs are fixedly connected to the output ends of the first motors, grooves are uniformly formed in the outer sides of the rotating discs, electric push rods are fixedly arranged in the grooves, anti-skid sheets are fixedly arranged at the output ends of the electric push rods, a first screw is arranged on the lower side of the top plate, a first nut is connected to the first screw in a threaded mode, a mounting frame I is fixedly arranged at the lower end of the first nut, a second screw is arranged on the lower side of the mounting frame I in a rotating mode, supports are fixedly arranged at the lower ends of second nuts, mounting frames II are fixedly arranged on the inner sides of the supports, and a plurality of grinding rollers are arranged on the inner sides of the mounting frames in a rotating mode. The rust removal device has the advantages that rust removal is rapid, in addition, the effect is excellent, the body health of workers can be protected, and meanwhile, the environment quality of a grinding workshop can be improved.

The present invention relates to a substance which removes rustiness on the surface of steel and iron, in particular to brightening rust remover, which solves the problem that the steel and the iron have gloomy surfaces after the rust removing in the prior art. The brightening rust remover is composed of materials in the following weight ratio: chlorhydric acid is 30-50 percent, hexamethylene tetramine is 1-5 percent, sodium lauryl sulphate is 2-8 percent, peregal OS-15 is 5-10 percent, and the residual is water. The present invention has the characteristics that rustiness can be removed quickly, the steel and the iron are brighter than the original state after the rustiness is removed, no over corrosion and hydrogen brittleness phenomenon exist, no pollution exists, and the cost is low, etc. Since the difference of the degrees of corrosion, the rustiness removing time is generally within 1-5 minutes.

The invention provides a steel rust removing liquid which comprises the following components of oxalic acid, triethanolamine, phosphoric acid, hydrochloric acid, fatty alcohol-polyoxyethylene ether, hexamethylenetetramine and water. A buffering agent and an acid fog inhibiting agent are also added into the steel rust removing liquid provided by the invention besides using a few amount of organic acid. The steel rust removing liquid not only can well remove metal oxides, but also has the characteristics of retarding steel corrosion and inhibiting acid fog volatilization and the like.

The invention discloses a pipeline inner wall derusting device. The pipeline inner wall derusting device comprises a fixing mechanism, a driving motor, a connection seat and two bilaterally-symmetrical derusting mechanisms with the connection seat as a center; the fixing mechanism comprises a fixing plate, two positioning plates, a conveying motor and a threaded conveying rod; the center positionof the right end surface of the driving motor is rotationally connected with the left end of the threaded conveying rod, the left end surface of the driving motor is connected with a hollow box with an inner cavity being of a hollow structure through two connection rods, the driving motor rotationally penetrates through the right end surface of the hollow box through a power shaft and is connectedwith a first bevel gear located in the inner cavity of the hollow box, and the side wall of the front side of the inner cavity of the hollow box is rotationally connected with a second bevel gear through a hinge pin; and the two derusting mechanisms each comprise a threaded rod, a threaded sleeve, a sliding sleeve, a plurality of adjusting blocks annularly and uniformly distributed at intervals,and a plurality of cleaning hairbrushes annularly and uniformly distributed at intervals. The pipeline inner wall derusting device can adapt to pipelines different in opening diameter conveniently, quickly conduct feeding and derusting and blow away removed iron rust.

The present invention relates to a comprehensive treatment agent, which comprises, by mass, 25.0-30.0% of phosphoric acid, 1.0-3.0% of zinc oxide, 0.1-0.5% of sodium molybdate, 4.0-7.0% of zinc dihydrogen phosphate, 0.3-1.2% of potassium chlorate, 0.3-1.2% of a surfactant, 0.0-2.3% of triethanolamine, 0.8-2.3% of citric acid, 0.1-0.3% of thiourea, and 58.0-62.6% of water. According to the present invention, the treatment agent can be recycled, a treatment cost is low, and pollution on the environment can not be generated.

The invention discloses steel pipe inner wall derusting equipment based on combined operation of grinding and dedusting, and relates to the technical field of steel pipes machining equipment. The steel pipe inner wall derusting equipment based on the combined operation of grinding and dedusting comprises a workbench, supporting legs, standing plates, a positioning device, a steel pipe body, a grinding device and a dedusting device, the top ends of the two supporting legs are fixedly connected with the two ends of the bottom surface of the workbench respectively, and the bottom ends of the twostanding plates are fixedly connected with the two ends of the top surface of the workbench respectively. According to the steel pipe inner wall derusting equipment based on the combined operation ofgrinding and dedusting, through usage of and cooperation among the positioning device, the grinding device and the dedusting device, the steel pipe body can be quickly positioned firstly, then grinding and derusting of the inner wall of the steel pipe can be rapidly completed, and operation mode of the device is very simple, so that labor intensity of workers is greatly reduced and practicabilityof the derusting equipment is further improved.

The invention discloses an alkaline steel rust remover and a preparation method thereof. The alkaline steel rust remover is prepared from the following components of, in percentage by mass, 0.1%-8% ofan alkali agent, 0.01%-5% of a complexing agent, 0.01%-3% of a corrosion inhibitor, 0.1%-3% of an emulsifier, 0.01%-0.05% of a defoaming agent, 0.02%-1% of a thickening agent and the balance water. The preparation method of the alkaline steel rust remover is very simple, and the components are mixed uniformly in batches; and the rust removal effect of the alkaline steel rust remover is good, steel is not corroded, acid mist is not generated, the hydrogen embrittlement phenomenon does not occur, the production process is simple, and safety and environmental protection are achieved.

The invention discloses a rust removing and preventing liquid for steel. The rust removing and preventing liquid is prepared from the following raw materials in parts by weight: 1-2 parts of diallylamine, 2-3 parts of rosin-polythylene oxide ester, 1-2 parts of phosphoric acid, 1-2 parts of magnesium chloride, 2-3 parts of thiourea, 1-2 parts of sodium dodecyl sulfate, 6-9 parts of diethylene glycol dibenzoate, 1.5-2.5 parts of peregal, 1-2 parts of EDTA (ethylene diamine tetraacetic acid) disodium, 4-5 parts of additives, and 300 parts of water. The rust removing and preventing liquid for steel disclosed by the invention is rapid in rust removal; due to an adopted high-molecular polymer and a chelating agent, a layer of thin film is formed on the metal surface so as to achieve air-isolating and anti-oxidation effects, and the thin film is easily removed just by virtue of water washing. The rust removing and preventing liquid for steel disclosed by the invention is low in manufacturing process cost, and suitable for being used under the low temperature condition of 12-35 DEG C, and the film can be rapidly formed in 0.5-3 minutes, so that the rust prevention performance of the rust removing and preventing liquid for steel is good, and superior to GB6807 standards; the rust removing and preventing liquid for steel disclosed by the invention is small in environmental pollution, and beneficial to popularization and utilization.

The invention discloses an oil and rust remover for a metal surface. The oil and rust remover is prepared from the following raw materials in parts by weight: 2-4 parts of hydrochloric acid, 3-6 partsof oxalic acid, 2-4 parts of citric acid, 3-5 parts of ascorbic acid, 3-6 parts of a complexing agent, 2-5 parts of a corrosion inhibitor, 2-4 parts of a permeability increasing agent, 2-6 parts of asurfactant and 50-90 parts of water, wherein the oil and rust remover is prepared from the following steps: S1, adding 400 mL of water into a reaction kettle of filling equipment; then slowly heatingthe solution to 30-50 DEG C by a heating element; and at the moment, driving a rotating motor to start to stir, adding the corrosion inhibitor while stirring, and stirring the solution for 10-15 minand fully dissolving the solution. The prepared oil and rust remover for the metal surface has the functions of deoiling, disacidifying, inhibiting corrosion and preventing oxidization. The rust removal time for light rust is about 2 min and the rust removal time for heavy rust is 5-6 min, and the deoiling rate can reach over 98%.

The invention discloses a steel plate polishing and de-rusting device. The device comprises a device box body in which a supporting block cavity is formed, a polishing cavity is formed in an upper side of the supporting block cavity in a communicating mode, a supporting block is fixedly arranged in the supporting block cavity, a communicating cavity is formed in an upper side of the polishing cavity in a communicating mode, and a polishing stone capable of stretching up and down is arranged in the communicating cavity; an upper side of the communicating cavity is provided with a telescopic device for controlling the polishing stone to move up and down, the upper side of the communicating cavity is provided with a moving cavity in a communicating mode, a rear side of the moving cavity is provided with a moving device for controlling the moving block to slide left and right, a rear side of the polishing cavity is provided with a feeding cavity in a communicating mode, and a feeding device is arranged in the feeding cavity. Rusts on a steel plate can be removed through rotary moving polishing, double-sided polishing is conducted through overturning, and meanwhile, the rusts can be collected, and environment pollution is avoided.

The invention discloses rapid derusting and straightening equipment for an oil field petroleum drilling drill rod, which is provided with a first clamping mechanism, a second clamping mechanism, a visual inspection mechanism and a derusting and straightening mechanism, so that a controller can calculate each bent part of a contour and the bending degree of each bent part according to the contour of a vertical projection; the controller can control the derusting and straightening mechanism according to the bending part and the bending degree, so that the straightening efficiency and the straightening reliability are effectively improved, and the correction precision of the drill rod is improved; and the rust removal straightening mechanism straightens the bent part with the large bending degree firstly and then straightens the bent part with the small bending degree, so that the straightening efficiency and reliability are effectively improved, and the precision of the straightened drill rod is guaranteed.

The invention discloses metal rust removing liquid and a preparation method thereof. The metal rust removing liquid comprises hexamethylenetetramine, triethanolamine, fatty alcohol-polyoxyethylene ether, sodium ethoxylated alkyl sulfate, polyethylene glycol, polyoxyethylene lauryl ether, triethanolamine oleate, sodium carboxymethylcellulose, lecithin and water. The preparation method comprises thesteps that the hexamethylenetetramine, the triethanolamine, the fatty alcohol-polyoxyethylene ether, the sodium ethoxylated alkyl sulfate, the polyethylene glycol and the sodium carboxymethylcellulose are dispersed in water, heating and stirring are carried out to achieve uniform dispersion, the polyoxyethylene lauryl ether, the triethanolamine oleate and the lecithin are added into the mixture,and after stirring and mixing, the metal rust removing liquid is obtained. The metal rust removing liquid is gentle in characteristics, and rust removing is easy and rapid.

The invention discloses a vertical H-shaped steel four-face rust removal device. The vertical H-shaped steel four-face rust removal device comprises a frame, a third rotary rod, a front wheel, a fourth rotary rod, a rear wheel, motors and brush rollers. The vertical H-shaped steel four-face rust removal device is characterized in that a first rotary rod is arranged in the middle of the frame, andthe first motor and the first rotary rod are in transmission; a second rotary rod is arranged at the front end of a clamping rod, the front brush roller is arranged on the second rotary rod, and the first rotary rod and the second rotary rod are in transmission; the first rotary rod and the third rotary rod are in transmission; a left rotary shaft is arranged at the front end of a left fixing plate of the frame, the left brush roller is arranged on the left rotary shaft, and the left rotary shaft and the third rotary rod are in transmission; a right rotary shaft is arranged at the front end ofa right fixing plate of the frame, the right brush roller is arranged on the right rotary shaft, and the right rotary shaft and the third rotary rod are in transmission; a left clamping wheel is arranged in the middle of the left fixing plate, and a right clamping wheel is arranged in the middle of the right fixing plate; and a web roll-brushing device is fixedly arranged on the rear portion of the right fixing plate. Standing H-shaped steel can be rapidly subjected to rust removal, the four faces of the H-shaped steel can be cleaned at a time, and therefore time and labor are saved.

The invention discloses a novel rust remover. The novel rust remover comprises 10-25wt% of acetic acid, 6-15wt% of citric acid, 5-18wt% of hexamethylene tetramine, 11-19wt% of sodium phosphate, 0.5-2.6wt% of a corrosion inhibitor, 5-10wt% of urotropine, 5-12wt% of triethanolamine, and the balance of water. A production method of the novel rust remover comprises the following steps: adding water, acetic acid, sodium phosphate and hexamethylene tetramine into a container at normal temperature under normal pressure, stirring until complete mutual dissolution, adding citric acid phosphonic acid, urotropine and triethanolamine, stirring, adding the corrosion inhibitor after complete dissolution, sampling, detecting, and packaging.

The invention discloses an environmentally friendly metal rust remover. The environmentally friendly metal rust remover comprises 10-20wt% of hydrochloric acid, 15-25wt% of tartaric acid, 5-13wt% of urea, 11-19wt% of sodium sulfite, 5-10wt% of sodium hydroxide, 0.5-2.5wt% of a corrosion inhibitor, and the balance of deionized water. A production method of the environmentally friendly metal rust remover comprises the following steps: adding deionized water, hydrochloric acid, sodium sulfite and urea into a container at normal temperature under normal pressure, stirring until complete mutual dissolution, adding tartaric acid and sodium hydroxide, stirring, adding the corrosion inhibitor after complete dissolution, sampling, detecting, and packaging.

The invention provides handheld equipment suitable for steel plate rust removal. The handheld equipment suitable for the steel plate rust removal comprises a rust remover shell, a rust remover handle,a safety switch, a support cabinet, a transformer, a liquid tank, a liquid supply motor, main brush heads, auxiliary brush heads, a motor, a transmission shaft, a gearbox, a pressurization motor anda spraying opening, wherein the rust remover handle is fixedly connected to the upper surface of the rust remover shell, and the safety switch is arranged on the inner side surface of the rust removerhandle; the main brush heads are arranged on the lower surface of the rust remover shell, and the auxiliary brush heads arranged on the lower surface of the rust remover shell can achieve efficient rust removal of edges and corners; and the motor is arranged inside the rust remover shell, the pressurization motor is fixed inside the rust remover shell, and the gearbox is arranged inside the rustremover shell through screws. Steel plates with various sizes and shapes can be directly subjected to cleaning and rapid rust removal, steel storage time can be greatly prolonged with the assistant ofthe combination of the brush heads and a rust removal and antirust agent, and economic loss caused by rusting can be reduced.

The invention provides a pipe joint derusting method, comprising the following steps: a, removing slag, sanding the outer surface of the pipe joint to remove rust spots; b, cleaning, washing the workpiece with a high-pressure water gun of 5-10 MPa; c, immersing and derusting Oil for 1-2 hours; d, neutralization treatment, add the workpiece soaked in rust-removing oil to alkaline solution for neutralization treatment; e, cleaning, wash with warm water at 50-70°C for 20-30 minutes; f, drying , Dry the workpiece with a dryer. The rust removal method for the pipe joint of the present invention has simple process and convenient operation, can quickly remove rust, and simultaneously generates an oxidized coating to achieve better rust prevention effect.

The invention discloses a rust remover. The rust remover comprises the following components: sodium carbonate, sodium phosphate, sodium benzoate, citric acid, naphthenic acid, triethanolamine, mahogany petroleum sulfonate, hydrogen peroxide and water. According to the rust remover disclosed by the invention, all components are skillfully matched; a good rust removal effect is achieved; moreover, a preparation method of the rust remover disclosed by the invention is simple and easy to operate.