745results about How to "Achieve the purpose of cleaning" patented technology

The invention provides a photoelectric continuous liquid level measuring method and a photoelectric continuous liquid level measuring device. The photoelectric continuous liquid level measuring method comprises the steps of driving a current sensor monomer from bottom to up to detect the light intensity fed back from the position of the sensor monomer under the control of a sensor module; carrying out analog-digital conversion on a voltage corresponding to the detected light intensity; determining the liquid position of the position of the current sensor monomer according to the corresponding relationship of a preset liquid level and the analog-digital data; and after the measurement of the liquid level of the position of other sensor monomers under the time-sharing control of corresponding sensor modules is accomplished, summarizing the liquid level of each sensor monomer to the front end of a transmitter interface through data transmission between modules; and obtaining a total liquid level of the current liquid after analysis and process and outputting the liquid level in specified interface mode. The device adopts the modular construction which is assembled and positioned freely according to the requirement of the measuring range, the applicability of different measuring ranges is improved, and the transportation is convenient; and furthermore, the real time self-correcting function is provided, and the capability of pollution resistance and shifting is improved.

The invention relates to a shale gas development oil-base drilling fluid mud cake cleaning solution and belongs to the technical field of petroleum drilling engineering chemical agents. The shale gas development oil-base drilling fluid mud cake cleaning solution is characterized by comprising the following components in percentage by weight: 10 percent to 30 percent of a cleaning agent, 0 percent to 60 percent of a weighting agent and the balance of water, wherein the cleaning agent consists of nonionic surfactants and mutual solvents; the weight ratio of the nonionic surfactants to the mutual solvents is 1:9 to 9:1; the nonionic surfactants are polyoxyethylene ether, polyoxyethylene aliphatic ester, polypropylene oxide aliphatic ester and the like; the mutual solvents are methyl alcohol, ethanol, isopropanol and the like; the weighting agent is superfine iron ore powder and has density of 4.90 to 5.20 g/cm<3>. The cleaning solution disclosed by the invention has low viscosity, can form turbulence displacement, can effectively clear away oil-base slurry and mud cakes attached on a well wall and change the water wetting condition of the well wall, and has the characteristics that the density adjustable range is wide, the cleaning effect is good, and the shale gas development oil-base drilling fluid mud cake cleaning solution is beneficial to improving well cementing quality.

The invention discloses a branch controllable titanium dioxide nanotube array thin film and a preparation method thereof. The thin film consists of an array of a titanium dioxide nanotube formed by connecting a main tube and a branch tube in series; the thickness of the thin film is 1-100mum, and the porosity factor is 40-60 percent. The preparation method comprises the following steps: preparinga main tube electrolyte according to the proportion that the mole ratio of ammonium fluoride to glycol to water is 0.05-0.15:17.7:0.015-0.025, and preparing a branch tube electrolyte according to theproportion that the mole ratio of hydrofluoric acid to glycol is 0.15-0.25:17.7; then firstly, putting one surface of a titanium sheet in the main tube electrolyte to serve as the anode; carrying outanode oxidization under the conditions that the DC voltage is 55-65V and the temperature is 0-35 DEG C for 0.5-6h; then using the glycol to clean the anode; subsequently, putting the surface which isanodized in the branch tube electrolyte to serve as the anode, and carrying out anode oxidization under the conditions that the DC voltage is 30-120V and the temperature is 0-35 DEG C for more than 30min, thereby preparing the thin film. The thin film can be widely used for fields of dye-sensitized solar cells, gas sensors, photolytic water hydrogen production and photonic crystal.

The invention discloses a self-rotating and cleaning device of dirt in a heat transfer tube, comprising a spiral hairbrush arranged in the heat transfer tube of a heat exchange tube and can moves in a straight line in the tube, wherein the spiral hairbrush is arranged on a traction shaft by a connecting rope; one end of the connecting rope is connected with the spiral hairbrush; and the other end of the connecting rope passes through a pipe inlet of the heat transfer tube of the heat exchanger and is fixed on the traction shaft which is connected with a drive device through a driving mechanism. Scale attached to the wall of the heat transfer tube of the heat exchanger is removed under the action of friction and cleaning of the spiral hairbrush. In addition, when the self-rotating and cleaning device is free from cleaning, the spiral hairbrush has little influence on the fluid resistance and the flow change of the fluid can be correspondingly reduced by adopting a structure that the spiral hairbrush can be clamped on a dual-layer metal mesh away from an outlet of the heat transfer tube at a certain distance. In addition, the connecting rope is free from being stressed when not being for cleaning, so that the durability of the self-rotating and cleaning device can be greatly improved, the self-rotating and cleaning device can meet the requirement for operating for a long term and can be applied on general heat exchangers with the flow speed of the fluid being greater than 1m/s on a large scale.

The invention discloses a wax cleaning agent for hot water dispensing deep well high-pour point wax. The wax cleaning agent comprises three independent components including an agent A, an agent B and an agent C; the agents A, B and C are sequentially used in cooperation; the aim of cleaning is achieved by use of the reaction heat and the wax dissolving and dispersing effect of aromatic hydrocarbon; the wax cleaning agent is easy to prepare, the construction is convenient and effective, the safety coefficient is high, the operation time is short, the wax cleaning is thorough, the construction is finished in 2 days, and smooth operation of a lower packer is guaranteed; and moreover, the cost is saved by 30%, the time is saved by 90%, and the oil well extraction time is obviously prolonged.

The invention discloses a carpet dust-removal ash-removal device. The device comprises a box body, symmetrical electric telescopic rods are fixedly connected to the center of the top of the inner wall of the box body, a clamping device is rotatably connected to the bottoms of the electric telescopic rods through rotating connection parts, and symmetrical dust prevention motor boxes are fixedly connected to two sides of the inner wall of the box body; first motors are fixedly connected to the inner walls of the dust prevention motor boxes, a belt wheel is rotatably connected to one side of each first motor through an output shaft, outer rotating shaft sleeves are rotatably connected to the belt wheels through belts, and the belts penetrate through the inner walls of the dust prevention motor boxes and extend out of the dust prevention motor boxes. The invention relates to the technical field of household cleaning auxiliary devices. According to the carpet dust-removal ash-removal device, the aim of rotating high-pressure air injection cleaning is achieved, so that cleaning is more comprehensive and improved, and through a supporting filter net, the problem is solved that fallen dust and particulate matters generated in adsorption cleaning cause secondary air pollution.

The invention discloses a fruit and vegetable cleaning and sterilizing device and method. The device comprises a cleaning tank, an ultrasonic signal generator connected with the cleaning tank and transmitting ultrasonic signals into the cleaning tank, an acid water tank, an alkali water tank, a potential water generator and a control unit. A water inlet hole, a jet hole, an overflowing hole and a water outlet hole are formed in the cleaning tank. The acid water tank is communicated with the water inlet hole and the jet hole of the cleaning tank through a corresponding control valve and a corresponding pipeline. The alkali water tank is communicated with the water inlet hole and the jet hole of the cleaning tank through a corresponding control valve and a corresponding pipeline. The potential water generator is connected with the acid water tank and the alkali water tank to provide acid potential water for the acid water tank and provide alkali potential water to the alkali water tank. The control unit is connected with the ultrasonic signal generator, the potential water generator and control valves of the acid water tank and the alkali water tank through lines. By means of the device and method, ultrasonic wave, acid potential water and alkali potential water are organically combined, pesticide residue and dirt on the surfaces of fruit and vegetables can be removed, cleanness is improved, microorganisms attached to the surfaces of the fruit and the vegetables are reduced, and edible safety can be guaranteed.

A "lifting cake stand that can be separated from the motor device" is a mechanically stable cake stand that is designed and applied with a gear limiter with a rated motor revolution to control the lift, especially a cake stand that can be clamped in layers The garland is not only beautiful, but also a novel food appliance that can be used repeatedly by easily removing the cake pan for cleaning.

The invention relates to the technical field of textile machinery and discloses an automatic cleaning, drying and collecting integrated machine which comprises a chamber. A first motor is fixedly connected to one side of the inner wall bottom of the chamber through a motor mounting platform and is rotationally connected with a first belt pulley through an output shaft, the first belt pulley is in rotational connection with a second belt pulley through a belt, and the second belt pulley is in rotational connection with a first movable pulley through a rotating shaft. A water supply tank is fixedly connected to the upper portion of the inner wall of the chamber, and a water pump is fixedly connected to the inner wall bottom of the water supply tank through a water pump mounting platform. The automatic cleaning, drying and collecting integrated machine has advantages that automatic cleaning, drying and collecting of textile cloth are realized, cleaning quality and cleaning efficiency are guaranteed, operation efficiency is improved, labor amount of workers is decreased, production cost is reduced, suitableness for large-scale popularization is realized, all parts of the textile cloth can be cleaned, and operation efficiency can be guaranteed by cooperation with a drying device.

The invention discloses a dust-proof and heat-dissipating outdoor distribution box. It is fixedly connected with the bottom of the inner wall of the box, and the left side of the inner wall of the box is fixedly connected with the first partition board and the second partition board in turn from top to bottom, and the right side of the first partition board and the second partition board are connected with the The left side is fixedly connected, and the present invention relates to the field of electric power technology. The dust-proof and heat-dissipating outdoor distribution box achieves the purpose of dust-proof and heat-dissipating for the distribution box, and at the same time, achieves the purpose of cleaning the dust on the dust-proof cloth, ensures the cleanness of the air sucked in the wind bucket, and avoids The impact of dust on the function of the distribution box, while avoiding the fire safety hazards caused by the influence of dust, ensures the safety of the distribution box, reduces the maintenance cost of the distribution box, and prolongs the service life of the distribution box.

The invention provides a pipeline laser washing device based on a curved surface holophote.The pipeline laser washing device comprises a laser, a lens system, the curved surface holophote and a motor, and the centers of the laser, the lens system, the curved surface holophote and the motor are located on the same straight line; the laser and the lens system are spaced by a certain interval so that laser light emitted by the laser can be collimated by the lens system, and light collimated by the lens system changes into annular parallel light entering the curved surface holophote in a parallel incident mode; the curved surface holophote is connected with a lead screw of the motor so that the curved surface holophote can move in the first direction when the lead screw rotates clockwise, and the curved surface holophote can move in the second direction when the lead screw rotates counterclockwise.By means of an optical shaping system and a parabolic reflector, the focus point of the emitted laser light can be located on the surface of a pipeline, and accordingly high unit area power can be acquired with low average power, pollutants evaporate, gasify or decompose instantly, and the heat conduction loss is reduced.The emitted laser light is annular focusing light and is high in pipeline washing efficiency.

The invention relates to the field of chemical articles for daily use, in particular to an alkali liquor used for a dishwasher and table ware. The alkali liquor takes alkali metal sodium hydroxide as main component and utilizes strong alkali saponifying grease to promote protein macromolecule to be dissolved and hydrolyzed, thus having stronger removing function for oil stains, smudge and protein smudge; when being matched with other solvents, especially ethylenediamine tetracetic acid chelator, the alkali liquor plays the role of washing and removing stains and can prevent hard scale formed by various inorganic salts in the water, thus achieving the aim of cleaning. The strong alkali has no foam, strong capability of degreasing, and does not need to prewash the table ware by using liquid detergent and bleach like other products, so that the aims of little dosage, good effect, energy conservation as well as saving labor and cost can be achieved only by adding 0.1-0.5% of the alkali liquor.

The invention relates to a cleaning device for an aquaculture net cage and discloses a device which is mounted in the bottom of the net cage to clean net threads and meshes in the bottom of the net cage by matching a group of blades with a plurality of supporting plates. The cleaning device is characterized in that one ends of a plurality of connecting rods are placed on a fixed ring in an equallyspaced manner while mounting holes are formed in the other ends of the connecting rods; a fixed plate is placed in the fixed ring, and the outer side of the fixed plate is connected to the inner sideof the fixed ring through a plurality of fixed rods; the included angles between adjacent two fixed rods are equal; the fixed plate is of a round platy structure; the fixed plate is made from a rigidmaterial, and an anti-rust coating is arranged on the surface of one side; a driving motor is placed on the other side of the fixed plate, and one end of a motor shaft penetrates through the fixed plate through a sealing bearing; a protective hood is arranged on the outer side of the driving motor; the protective hood is made from a rubber material; a connecting sleeve is arranged on one end of the motor shaft in a sleeving manner; the group of blades is arranged on the outer side of the connecting sleeve; and the blades are of arc-shaped structures, and the heights of the blades are gradually decreased from one sides to the other sides.

The invention discloses a vibration frequency adjustment method, a device, an electric toothbrush and a computer readable storage medium. The method is applied to the field of operation experience optimization of a mobile terminal, and the method includes: acquiring a brushing pressure received by a brush head of the electric toothbrush; and determining a preset pressure level at which the brushing pressure is located; and adjusting the vibration frequency of the electric toothbrush according to a preset pressure level at which the brushing pressure is applied, so that the user can adjust thevibration frequency of the electric toothbrush by changing the pressure of the brushing tooth, for more sensitive parts, a smaller force can be used to make the vibration frequency of the electric toothbrush smaller for protection purposes; and for the position with more tooth stains, a larger force can be used to make the vibration frequency of the electric toothbrush higher to achieve the purpose of cleaning, which greatly improves the user experience.

The invention provides an air conditioner self-cleaning method and device, equipment and a storage medium, and belongs to the technical field of air conditioners. The method comprises the following steps: acquiring real-time indoor temperature and indoor humidity from a temperature and humidity sensor; according to the indoor temperature and the indoor humidity, controlling the air conditioner tooperate in a refrigeration mode with a condensation temperature as a target temperature; controlling the air conditioner to operate in the refrigeration mode with a first frosting temperature as a target temperature after the air conditioner operates at the condensation temperature as the target temperature for a first period of time; and when the body temperature of the air conditioner is smallerthan the temperature threshold value, controlling the air conditioner to switch from the refrigeration mode to a heating mode. In the whole frosting process, condensation is achieved first with low operation power, and then quick frosting is achieved with high operation power, so that the energy-saving effect is achieved; and the purpose of cleaning fins of an air conditioner indoor unit is achieved through frosting and then defrosting.

The invention discloses a cleaning machine comprising an housing, a negative pressure generator, a filter, a conduit pipe, a sealed container for accommodating cleaning agent, a recycling container and a cleaning device, wherein, the negative pressure generator is positioned in the housing and is connected with the recycling container through the filter, the cleaning device is provided with an adsorption opening which is communicated with the recycling container, one end of the conduit pipe extends into the sealed container, the other end of the conduit pipe extends into the adsorption opening of the cleaning device, therefore, when the adsorption opening of the cleaning device covers the article to be cleaned, a negative pressure is generated in the adsorption opening of the cleaning device by the negative pressure generator, then cleaning agent can be adsorbed into the adsorption opening from the sealed container by the negative pressure to clean the surface of the article, after the cleaning is finished by a rotating crush, liquid on the article and waste matters are all adsorbed into the recycling container, and a blow head uses the air flow from the air outlet of the negative pressure generator to blow the dust on the article to be cleaned. The present invention provides a high-efficient water-saving cleaning machine.

The invention relates to a cleaning and dredging device for an SCR (Selective Catalytic Reduction) catalyst pore. A supporting mechanism comprises a frame and lower supporting beams fixed at the bottom of the frame, wherein a drive shaft and a driven shaft which are respectively connected with the frame are arranged on two lateral plates of a box body through bearings, a motor arranged on the boxbody is connected with the drive shaft through a speed reducer, a catalyst unit is vertically arranged in the frame, at least two connecting beams on a top cover are connected with more than two cross beams and more than two longitudinal beams, two sides of the connecting beams are detachably arranged at the top of the frame through fastening members, regulating and limiting mechanisms are arranged on the joints of the top cover and catalysts, regulating members of the regulating and limiting mechanisms are connected with lower supporting plates and upper supporting plates, the lower supporting plates correspond to the joints of all groups of catalysts, cross limiting grooves at the tops of the upper supporting plates are connected with the cross beams and the longitudinal beams, and the lower part of the box body is also provided with a bubbling mechanism. The device provided by the invention has the advantages of reasonable structure, convenience for installation, capability of integrally cleaning the catalyst unit without crushing the catalysts, and capability of improving the cleaning efficiency.

The invention discloses a zinc sulfide micron hollow sphere and a preparation method thereof. The hollow sphere comprises zinc sulfide, particularly, the zinc sulfide takes the shape of a micron hollow sphere with the diameter of 0.7 to 6.5 Mum, and a spherical shell is formed by nanometer rod arrays. The rod axis of the nanometer rod arrays points to the center of the micron hollow sphere. The length of the nanometer rod is 100nm to 400nm and the diameter of the rod is 50nm to 200nm; the method includes a hydro-thermal method that comprises steps as follows: step one. zinc nitrate, thiacetamide and water are mixed to obtain a precursor solution, wherein, weight proportion of zinc nitrate, thiacetamide and water is 0.4 to 0.6:0.1 to 0.3:20 to 30; step two. the precursor solution reacts under the pressure of 5 to 8 multiplied by 10Pa and the temperature of 180 DEG C to 220 DEG C for 8h to 15h to obtain precipitate products, and then the precipitate products are washed by a solvent and processed by vacuum drying to obtain the zinc sulfide micron hollow sphere. The zinc sulfide micron hollow sphere can be widely applied to the fields of medicine engineering, cosmetics, biotechnology, photochemical catalysis, photonic devices and the like, and is characterized by simple and convenient preparation method, little material consumption and no pollution.

Disclosed is a Chinese medicinal mist for treating common cold, wherein the raw material formula needed for preparing 1000ml of the medicinal soup includes honeysuckle flower 200g, centipede 200g, southwest scutellaria root 100g, wild chrysanthemum flower 100g, capsule of weeping forsythia 100g, spearmint 10g, natural borneol 2g, licorice root 50g, wild chrysanthemum flower 100g, isatic root 100g and flavescent sophora root 100g. The invention also discloses the process for preparing the mist.

The invention belongs to the field of running machines, and particularly relates to a running machine with an automatic dedusting function, aiming to solve the problem of greatly shortened service life of existing running machines due to the fact that impurities, namely dust, are easily adhered to the running machines free of corresponding dust removers to easily damage the running machines. The running machine comprises a mounting base. A mounting frame is fixedly mounted on the mounting base, a control panel is fixedly mounted at the top of the mounting frame, and two mounting covers are symmetrically and fixedly mounted on one side of the mounting base. The running machine has the advantages that the running machine is simple to operate; through startup of a driving motor, a worm gear blade can rotate to remove the dust; a cleaning brush can reciprocate horizontally to clean a running belt, so that the friction resistance of the running belt during transmission is reduced; the bodyof the running machine is kept clean and neat, energy saving is achieved, the service life of the whole machine is effectively prolonged, and the dust at dead angles of the machine is conveniently cleaned.

The invention relates to a filtering cloth cleaning device which is suitable for various belt filters and vertical frame pressure filters used for separating solids and liquids, belonging to the filtering cloth cleaning technology field. The filtering cloth cleaning device comprises a cleaning hopper 3, and a direction-guiding roller 4 used for guiding filtering cloth 2 linked with a driving roller 1 is arranged in the cleaning hopper 3, and the filtering cloth 2 is directly or indirectly driven by the driving roller 2 to turn continuously, and the direction-guiding roller 4 guides and supports the filtering cloth. An ultrasonic cleaning device 5, a brushing roller 6 and at least one water cleaning device are arranged correspondingly to a moving plane of the filtering cloth 2. Three cleaning methods all can be applied separately on line, i.e. the cleaning to the equipment can be realized without the need of stopping the equipment. The filtering cloth cleaning device of the invention can improve the prior art just from the designing idea, and the device not only can satisfy production requirement, but also can improve the structure of the whole machine, reduce production cost and prolong the service life of the filtering cloth.