465 results about "Water spot" patented technology

A fast hardening clear coating composition for repairing a clearcoat/colorcoat finish of a vehicle, which composition is capable of being wet sanded, buffed or polished to a high gloss finish on the same day of application, comprising a film forming binder and an organic liquid carrier, where the binder contains a hydroxyl component comprising a hydroxyl-containing acrylic polymer and a hydroxyl-terminated polyester oligomer, and an organic polyisocyanate crosslinking component, at least portion of which comprises a trimer of isophorone diisocyanate, where the composition further contains, as a combined curing catalyst, at least one dialkyl tin aliphatic carboxylate, at least one tertiary aliphatic mono or diamine, and at least one aliphatic carboxylic acid, in an effective amount such that the clear coating composition on curing at ambient temperatures is in a water spot free and sufficiently hard state for sanding or buffing within about 4 hours after application or on cool down when baked under normal conditions.

The invention discloses a leakage detection method based on hydraulic model calibration of an urban water supply network. The method comprises the following steps: A) establishing a pressure-related leakage positioning model; B) determining a leakage detection target function; C) determining a constraint condition; and D) solving the pressure-related leakage positioning model. Urban water supply pipeline leakage is avoided, problems in a traditional leakage detection method are solved, the pressure-related leakage detection model is established on the basis of model calibration by a Cuckoo optimization algorithm, and the leakage detection method is quick and effective. In addition, a new pressure-related leakage detection method can detect leakage which is difficult to detect by a traditional method. A situation that a leakage area is detected before the engineers go to a scene is very useful for engineers, and the engineers can carry out intensive examination in a predicted area and can quickly detect an accurate position of a leakage hot water spot.

The present invention relates to an aqueous hydrophilic coating composition and method for treating various hard surfaces including, but not limited to, rubber metal, glass, plastic, vinyl, ceramic, stone, or various other painted surfaces to create a hydrophilic surface without visible residue or water spots. The coating composition comprises a hydroxyl functional compound, a silane compound and water. The aqueous hydrophilic coating composition can be used both as a dilute washing solution to clean surfaces and a coating composition to provide a durable protection from future stains and residues. The coating composition can be applied directly or indirectly to a solid surface using various application devices including, but not limited to, spray, aerosol, wipes, towels, sponges and pads.

The invention discloses a metallographic grinding and polishing process. The metallographic grinding and polishing process comprises the steps that (1) the surface of a metallographic specimen is cleaned; (2) the surface of the metallographic specimen is ground; (3) the metallographic specimen is polished; and (4) cleaning is conducted. The metallographic specimen is cleaned and polished through vibration of an ultrasonic washing unit, when the metallographic specimen is cleaned, liquid inside the ultrasonic washing unit is industrial pure water, diamond abrasive grains, polishing paste and glycerinum are put into the ultrasonic washing unit for cleaning, resources can be saved, and influence on the subsequent grinding and polishing process can be avoided; a rubber soft bottom is arranged at the bottom of the metallographic specimen, so that the surface is prevented from being scratched in the grinding process, the metallographic specimen is dried for many times, oxidation of easily oxidized metals can be prevented in the operation process, and it is ensured that the surface of the metallographic specimen is even in color and has no water spot; coating of antirust agents is avoided, and the retention time is long in a vacuum environment.

The invention relates to a method for dyeing a reactive dye by one-step method without salt. The method comprises two-dip-one-dry or three-dip-one-dry process, wherein dye solution used for dipping and drying consists of 15 to 25g/l of dye and 1g/l of an alkaline agent; pickup is between 55 and 60 percent; then, the dyeing solution is subjected to steaming, washing, hot water washing and drying. The method has a simple dyeing process, does not have special requirement on the dye, does not relate to modification of fibers and application of salt-free dye cross linker; preliminary drying and cylinder drying are saved, and consumption of heat energy is greatly reduced; compared with a cold pad-batch dyeing process, the defects of cold pad-batch clearance production is improved, efficiency is improved, and defects of water spots, stains and hard hand feel are overcome.

The invention discloses a textile cloth cleaning device for textile cloth production in the technical field of textile cloth production equipment. A tension adjustment roller is installed on the top of the device, and the other end of the rotating shaft runs through the outer wall of the cleaning box to install a brush. The left and right sides of the cleaning box are respectively equipped with a cloth inlet and a cloth outlet, which can clean the two sides of the textile cloth. Washing, and in the process of washing, the motor drives the brush to rotate to wash the textile cloth, which improves the cleaning efficiency. Two sets of electric telescopic rods are used to drive two sets of extrusion rollers, which can squeeze out the washed textile cloth The remaining water stains on the surface can prevent water stains from polluting the workshop. The tension adjustment roller can be driven up and down by the hydraulic lifting device, which can realize the adjustment of the tension of the textile fabric and improve the cleaning efficiency.

The invention discloses an apparatus integrating surface vacuum spraying of a work piece, paint solidifying and waste paint and solvent recycling, and a process thereof. The apparatus comprises a paint spraying and paint solidifying integrated vacuum chamber, a waste paint and solvent filtration device, an air compression device, a spray gun oil supply system and a spray gun air supply system. The paint spraying and paint solidifying integrated vacuum chamber is internally provided with a spray gun, a workpiece hanger turntable, a heating device, a temperature detection device, an air inlet pipe, an exhaust pipe and a vacuum chamber revolving door. The process comprises: a, a vacuum paint spraying process, b, a paint solidifying process, and c, a waste paint and solvent filtration process. The atomization effect of the paint ejected in the vacuum environment is enhanced, the surface paint spraying decoration of the product and the paint solidifying are smoother and more uniform, and water spots, gas spots or paint spots cannot be generated. The recycle of the waste gas, the waste paint and the solvent can be realized so that the environment cannot be polluted. In the operation process, the invention saves two thirds of the paint and reduces 50% of the production cost.

The invention discloses a machine vision based turn plate angle high-precision online measurement method. Real time image collection is performed on mark round hole points in a turn plate by utilizinga monocular industrial camera. Through vision and image metrology analysis on acquired images, position information of the mark round hole points in the turn plate can be obtained. Then rotation angle information can be calculated through a geometric method. The advantages of the invention achieved in angle measurement include high measurement speed and realization of real time online measurement; avoidance of influence and damage to working piece surface through implementation of a measurement function by adoption of a non-contact technology; and elimination of interference on measurement results due to lighting environment complexity, spray liquid, water spots and the like in a production field through adoption of an improvement algorithm in the highest level.

The invention relates to fire-fighting equipment, in particular to an electricity-controlled fire water monitor. The electricity-controlled fire water monitor comprises a base, a water inlet pipe, a bent pipe, a water outlet pipe, a monitor head, a horizontal swinging mechanism, a vertical swinging mechanism and a controller, wherein the horizontal swinging mechanism comprises a first motor, a first worm, a first worm gear and a coupler; the vertical swinging mechanism comprises a second motor, a second worm, a second worm gear and a coupler; and the monitor head comprises an explosion direct-current adjusting sleeve, a current stabilizer, a push rod motor and a monitor sleeve. The push rod motor is fixedly installed on a casing of the monitor sleeve, the head portion of a push rod of the push rod motor is fixed on a casing of the explosion direct-current adjusting sleeve, the explosion direct-current adjusting sleeve can be slidingly sleeved on the head portion of the monitor sleeve, and the current stabilizer is fixed on the head portion of the monitor sleeve and coaxial to the monitor sleeve. The electricity-controlled fire water monitor is fast, flexible and stable in rotating, free of limitation from the rotation angle, capable of fast and accurately ejecting water on an aimed fire control target point, adjustable in ejected water spot and improved in fire extinguish speed and effect.

The invention provides an alkali seepage-resistant enhanced back adhesive for stone materials. The back adhesive is formed by mixing a liquid component and a solid component; the liquid component comprises the following materials by weight: 15-35 parts of ethylene-vinyl acetate copolymer (EVA) emulsion or acrylic emulsion, and 0.5-3 parts of bactericide; the solid component comprises the following materials by weight: 3-8 parts of staple fiber, and 60-80 parts of powder material (one or combination of cement, quartz sand or powder, calcium carbonate sand or powder, wollastonite sand or powder, kaolin and zeolite powder). The back adhesive has the beneficial effects that addition of staple fiber avoids adhesive cracking and greatly improves strength; the addition of polymer emulsion achieves the effects of more firm adhesion, water resistance, and alkali seepage resistance, and effectively avoids stone diseases of whitening, water spots, alkali efflorescence, etc. The adhesive improves adhesion between stone material and cement floor, effectively avoids bulging problem, lowers cost, and simplifies construction process.

The invention discloses an intelligent, efficient and safe cleaning mop which comprises a casing, a radio emission device, a microprocessor, a water storage tank, a camera, infrared ray detectors, a spring, a buffering cushion, a drier, an electric telescopic link, a cleaning roller, a rotating disc, a suction fan and a water injection nozzle; the radio emission device and the microprocessor are arranged on the casing, the camera is arranged at the top end of the casing, the infrared ray detectors are arranged on peripheral side walls of the casing, a connector is arranged on a side wall of the casing, the electric telescopic link is arranged on the connector, the cleaning roller is arranged at the bottom end of the electric telescopic link, the drier is arranged on a bottom ridge of the side wall of the casing, the suction fan is arranged in the casing and is connected with a suction inlet with an ash channel pipe, and the water storage tank is arranged in the casing and is connected with the water injection nozzle through a water guide pipe. The intelligent, efficient and safe cleaning mop saves time, evaporates water spots falling onto the ground or floor in time, avoids the water spots from damaging a bottom plate, avoids breeding of harmful bacteria, and improves the safety of a living environment.

The invention discloses a lampblack cleaning device based on a household kitchen ventilator, and relates to the technical field of lampblack cleaning. The device comprises a box body and a cleaning box; a partition board is fixedly connected between the top and the bottom of a box body inner cavity, a suction pump is fixedly connected with the position, located on one side of the partition board, of the bottom of the box body inner cavity, and the output end of the suction pump is communicated with a first connection hose. According to the lampblack cleaning device based on the household kitchen ventilator, the cleaning effect of the device is greatly improved, the blots can be well cleaned, the service life of the kitchen ventilator can be prolonged, the hygienic quality of a kitchen is improved, the device has the good blot cleaning function, use by a user is facilitated, the cleaning effect is good, the secondary pollution is avoided, the device has the good water spot cleaning function, the service life of the device is prolonged, the device is safe and reliable, movement is convenient, and the device has the good maintaining function and the good convenience.

The invention provides polishing paste for glass and a glass polishing repair method. The polishing paste is formed by mixing cerium oxide, grinding aids, polishing aids and a solvent. The polishing paste is prepared from special components and is stable in system, high in polishing efficiency, good in polishing effect, easy to clean, high in glossness and capable of achieving the transparency and the glossness of new glass. The method is simple in technology, short in repair period and good in polishing effect. A polishing disk is prepared from a special material and is suitable for performing polishing repair on glass, the polishing effect is good, polishing efficiency high, and new damage of glass is not caused. The polishing paste, the polishing technology and the polishing disk are adopted, and the problems that glass or similar glass materials have scratches, protrusions, the whiskering and acid etching phenomena, welding points, the fogging phenomenon, icon trace, water spots and other flaws are solved.

The invention belongs to the technical field of medical apparatus and instrument auxiliary equipment, and particularly relates to an endoscope cleaning device. The endoscope cleaning device comprises a box body. Two barrels with the same cross section are included in the box body. One barrel is divided into an upper-side liquid storage cavity and a lower-side pressurization cavity by a piston plate, and the other barrel is divided into an upper-side draining cavity and a lower-side working cavity by a splitter plate. The endoscope cleaning device further comprises a handheld device. A top cover connected with the handheld device is arranged below the handheld device. An underframe which is detachably connected with the top cover is arranged below the top cover. An inward-recessed groove is formed in the inner side of the connecting position of the underframe and the top cover. A water absorption sponge is clamped through the inward-recessed groove. Compared with the prior art, the endoscope cleaning device has the following advantages that operation is convenient, the water absorption sponge can be kept at a corresponding humidity in the using process, an endoscope can be effectively cleaned, and no water spots can be left; and one-hand operation can be executed, the working efficiency during operations can be effectively improved, practicability is high, stains like blood can be scrubbed clean through a cleaning agent, and cyclic utilization can be realized.

The invention discloses a photovoltaic-panel surface cleaning device. The photovoltaic-panel surface cleaning device is characterized in that the bottom end of each of a soap water tank and a clear water tank is connected to the entry end of a reversing valve through a soap water pipe and a clear water pipe, the exit end of the reversing valve is connected to a washing pipe located above one side edge of a photovoltaic panel, a plurality of washing spray heads are arranged on the tube wall of the washing pipe, a sweeping device is arranged on the photovoltaic panel, the sweeping device comprises a sweeping roller which is arranged right above the photovoltaic panel, the sweeping roller sleeves a connecting shaft, two sliding wire blocks are respectively fixedly connected to two shaft ends of the connecting shaft, a screw lead is in threaded connection with a threaded through hole in each sliding wire block, and output shaft ends of synchronous motors are fixedly connected to right rod ends of the screw leads. By the arrangement, the surface of the photovoltaic panel is sprayed and washed through soap water and clear water, dust and water spots on the surface of the photovoltaic panel are respectively removed by the aid of the brush end and the felt end, and the cleaning device is clean thoroughly in washing, continuous in operation, simple in structure and convenient in maintenance and use.

The invention discloses a leaf wetting method for improving quality of redried tobacco sheets. The method comprises the following steps of: setting a vapor pressure value at 0.8-1 MPa, wherein circulating hot air reaches 80 DEG C; wetting leaves for the first time so as to ensure that the temperature of upper tobacco leaves reach 55-65 DEG C while the water content of the upper tobacco leaves reach 18-21%, the temperature of middle tobacco leaves reach 50-56 DEG C while the water content of the middle tobacco leaves reach 18-22%, and the temperature of lower tobacco leavers reach 50-58 DEG C while the water content of the lower tobacco leaves reach 18-20%; carrying out secondary wetting according to technological parameter requirements specified in YC/T146-2001; and adjusting water content and temperature for the secondary wetting. Compared with a traditional process, the leaf wetting method for improving the quality of the redried tobacco sheets, disclosed by the invention, has the advantages of increasing the rate of big and middle sheets in a finished product tobacco sheets by 1.23-1.83%, reducing the loss of the big and middle sheets before and after redrying by 1.08-2.44%, reducing the stalk proportion by 0.19-0.40% and obviously reducing water spots and flush tobaccos; the tobacco leaves have the advantages of bright and uniform color, increased oil content, rich elasticity and looser organization structure; and the tobacco sheets are obviously improved in the aspect of sensory quality index.

The invention provides an automatic sole-cleaning machine. The automatic sole-cleaning machine comprises an underframe, a brush mechanism connected to the underframe in a sliding manner and used for cleaning a sole, a pushing mechanism arranged on the underframe and used for pushing the brush mechanism to transversely translate back and forth, and a dust collection mechanism arranged on the underframe and used for adsorbing dust in the brush mechanism. The automatic sole-cleaning machine can realize complete cleaning of the sole, prevents indoor contamination caused by dust and water spots on the sole, reduces the indoor cleaning difficulty, avoids beriberi cross infection caused by slipper replacement, and can achieve automatic dust collection to avoid secondary contamination.

Provided is a removing and drying device for water spots on a glass surface. The removing and drying device for the water spots on the glass surface comprises a transmitting roller rack. The transmitting roller rack is provided with a glass transmitting roller used for transmitting plate glass. The top of the transmitting roller rack is provided with a fixed rack. The front end of the fixed rack is provided with a wrapper rubber roller. The middle of the fixed rack is provided with an air knife and an air knife rotating mechanism. The bottom of the transmitting roller rack is provided with a centrifugal fan. The centrifugal fan is connected with the air knife through a manual air valve, a heating device, a steel air hose and a soft telescopic air hose. The plate glass is moved horizontally along with the glass transmitting roller. The plate glass surface is wiped by the wrapper rubber roller, and the water spots are removed. The plate glass surface is dried by the air knife, and a water film is removed. According to the removing and drying device for the water spots on the glass surface, water on the glass surface can be wiped and dried, and the water spots on the glass surface can be effectively removed. The removing and drying device for the water spots on the glass surface has the beneficial effects that the design is ingenious, the operation is easy, and the cleaning efficiency is high.

Provided is an aluminum substrate cleaning and paving production line, which comprises a transport roller bed (1), a substrate cleaning device, a substrate drying and spraying device and a substrate paving device. The substrate cleaning device comprises a polishing box (2), a first washing box (3), an oil removing box (4) and a second washing box (5). The substrate drying and spraying device comprises a pre-drying box (21), a drying box (22), a gluing box (23), a drying oven (24) and a pair of cooling fans (25). The substrate paving device comprises a paper support frame (40), a paving bench (41) and a substrate positioning assembly. The advantages are that cleaning fluid used in substrate polishing and cleaning process can be recycled after being filtered through a spongy layer; after cleaning, water spots are absorbed by upper and lower two groups of sponge rollers; the substrates are allowed to be arranged tidily through the substrate positioning assembly; and copper foils and prepreg can be drawn out quickly through a paper pick-up assembly, and thus paving quality and efficiency are improved.

The invention relates to the technical field of hydrographic transfer printing, in particular to a plastic product hydrographic transfer printing drying method. The plastic product hydrographic transfer printing drying method includes the following steps: A, plastic products obtained after hydrographic transfer printing are taken out from a water tank, and water spots on the surfaces of the plastic products are blown to be dry through an air-pressure air gun; B, hot air is blown to the surfaces of the plastic products with a hot air machine; C, the plastic products are placed into an oven for baking. By means of the drying method, after the plastic products obtained after hydrographic transfer printing are dried through the hot air machine, the plastic products are placed into the oven for baking, as the plastic products have been dried one time through the hot air machine before being placed into the oven, the plastic products only need to be baked for 4 min to 10 min in the oven, and the reject ratio of the plastic products can be reduced while the time is saved. By means of the drying method, the baking time is shortened, and the production efficiency is improved; in addition, the reject ratio caused by baking deformation is reduced, and the good social benefit and the good social benefit are achieved.

The invention discloses a truck operating trouble dynamic image detection equipment and detection method, and relates to truck operating trouble dynamic image detection equipment and detection method.A problem that the detection result of colleting an image by only adopting a high-speed industrial linear camera has error is overcome. The equipment comprises a computer, a wheel sensor, an automatic identification server and a 3D image collection module; the detection method utilizing the equipment comprises the following steps: step one, vehicle information collection; step two, image information collection; step three, fault identification; and step four, fault process. A 3D image is added to perform image identification on the basis of a truck detection work procedure of a truck operating trouble dynamic image detection system, and the detection result cannot be influenced by the water spots and blots on the surface of the truck body and the different illuminations in day and night;the detection stability and the accuracy can be improved to 99%; and the fault automatic identification is increased, and the exhaustion degree of the eyes of the worker is greatly reduced.

A water saver toilet that produces a larger water spot (122) in the toilet bowl (12) and a better flushing, and that enables partial and full flushing. A trapway (14) that extends from the toilet bowl outlet to a drain (16), has upper and lower traps (30, 32) and a trapway passage (34) that extends between and into the traps. The lower trap is constructed to be sealed by water therein prior to each flushing, and a pressured air source (98) applies pressured air to the trapway prior to a flushing. The pressured air in the trapway pushes some upper trap water into the toilet bowl to increase the water spot therein. A first container (40) lies in the water tank, and the water therein can be flushed down from the first container though a coupling region (80) and though a flush valve (24), for a partial flushing. A full flushing is achieved by opening a second valve (60) to pass water lying in the tank around and above the first container, and through the coupling region and the flush valve.