1292results about How to "Reduce the difficulty of cleaning" patented technology

The invention discloses an anti-fouling and anti-doodling dope and a preparation method. The dope contains the following ingredients(based on weight portions): 15-20 portions of biradical fluoro-acrylate oligomer, 3-10 portions of biradical silicone acrylate oligomer, 10-40 portions of 6-radical polyurethane acrylate oligomer, 1-30 portions of biradical epoxy acrylate oligomer, 1-10 portions of photoinitiator, 10-25 portions of reactive diluted monomer, 0.5-5 portions of addition agent and 10-25 portions of organic solvent. Paint film made from the anti-fouling and anti-doodling dope is structurally compact, with surface tension reaching 27-33dyne / centimeter and effectively prevents various doodling materials, such as oil pen, waterborne pen, ink jet and pollutant from infiltrating to the dope or the substrate, thus reducing cleaning difficulties; meanwhile, the dope is good in dirt resistance and doodling resistance and long in service life. The dope can be prepared by mixing the ingredients of the dope to be even, so the preparation method is economic and simple.

The invention relates to a small-sized five-axis machining center which comprises a base structure (1), an XYZ vertical shaft structure (2) and a BC rotary table (3). The small-size five-axis machining center is characterized in that the base structure (1) is L-shaped and comprises an X-axis substrate (1-2) and an internally hollow machine tool base (1-1); the X-axis substrate (1-2) is arranged on the machine tool base (1-1) and the X-axis substrate and the machine tool base are of integral structures or fixation connection molding structures; an X-axis ball screw (1-3), a Y-axis ball screw (2-6), a Z-axis ball screw (2-4), two X-axis guide tracks (1-4), two Y-axis guide tracks (2-7) and two Z-axis guide tracks (2-5) are arranged on the X-axis substrate (1-2); the BC rotary table (3) is arranged on a table plate of the machine tool base (1-1) and is arranged beside the positive plane of the X-axis substrate (1-2); a funnel-shaped structure chip discharge port (1-5) is arranged on the table plane of the machine tool base (1-1); and a connecting hole (1-6) of the BC rotary table (3) is arranged at the positive plane of the X-axis substrate (1-2). The small-sized five-axis machining center has the characteristics of being convenient to operate, high in production efficiency, low in cost and attractive and harmonious.

The invention provides process equipment for composting and rapid aerobic fermentation of sludge and an automatic control scheme for a composting and rapid aerobic fermentation process, belonging to the technical field of composting and aerobic fermentation of sludge. The process equipment and automatic control scheme provide optimal initial process conditions for microbial propagation in composting and aerobic fermentation of sludge, enable composting and aerobic fermentation of sludge to rapidly enter a high-temperature fermentation period, accelerate the processes of fermentation and decomposition, shorten a fermentation period, reduce cost and exert beneficial effect on reduction, harmless treatment and stabilization of sludge. The process equipment comprises a solar photovoltaic power generation system, fermentation tanks with in-ground insulation and heating functions, a gas collecting cover having aeration and heating functions, used for collecting water vapor and stink produced in the process of fermentation and capable of moving up and down, a biological deodorizing system, an air supply and heating system for a workshop in winter, a travelling crane-like manipulator-operated material distribution machine, a composting heap turner, a data acquisition trolley, displace trolleys, a boiler system and an automatic control system for batching of raw and accessory materials and for process flow.

The invention discloses a method for cleaning a capsule beverage dispenser, and belongs to the technical field of beverage preparation. The problems that wasting of water is caused in the cleaning process of an existing capsule beverage dispenser and the cleaning effect is poor are solved. The capsule beverage dispenser comprises a machine base with a brewing cavity, a liquid feeding mechanism, an input module and a control module. The control module controls the capsule beverage dispenser to be cleaned according to signals of the input module. The cleaning method includes a first cleaning stage and a second cleaning stage capable of being selected to be executed. The first cleaning stage at least includes a first washing step in which the liquid feeding mechanism leads liquid into the brewing cavity at a first power P1 for cleaning. The second cleaning stage at least includes a second washing step in which the liquid feeding mechanism leads liquid into the brewing cavity at a second power P2 for cleaning. The rated power of the liquid feeding mechanism is PE1, and P1<P2<=PE1. The method disclosed by the embodiment of the invention is used for cleaning the capsule beverage dispenser. The capsule beverage dispenser can be a capsule coffee maker, a capsule soybean milk machine and the like.

The invention belongs to the field of detergents, in particular to a composition with high-efficiency cleaning function. The present invention rationally matches raw materials such as surfactants, solvents, biological enzymes, and washing aids, synergizes with each other, can quickly penetrate, emulsify, and decompose various oil stains, and has strong detergency. The cleaning agent composition of the present invention has a wide range of decontamination, and can be used on kitchen heavy oily surfaces such as range hoods, stoves, and pools, and can also be used for glass, floors, tabletops, tiles, etc. in general household and office environments after being diluted in different multiples. Washable hard surface cleaning, also has a good cleaning effect on oil stains, lipstick, oily handwriting, shoe polish, and at the same time makes the cleaned surface less prone to stains and easy to clean again. The pH of the cleaning agent of the present invention is weakly alkaline, the quality is mild, the skin is not damaged, and it can be used in direct contact with the skin.

The invention discloses a comprehensive recycling technology for mine water with high suspended matter content and a high mineralization degree. A coagulating agent is added into mine raw water, so that suspended colloid fine particles in water are subjected to conventional compressive double-electric-layer destabilization, and are treated with a three-membrane gradual filtering technology consisting of first-stage microfiltration membrane filtering, second-stage microfiltration membrane filtering and third-stage microfiltration membrane filtering. After the mine raw water is subjected to first-stage microfiltration membrane filtering, effluent can meet the requirement of production under a coal mine; and after the mine raw water is subjected to second-stage microfiltration membrane filtering and third-stage microfiltration membrane filtering and is disinfected with O3, effluent can meet the requirement of daily drinking. Different reverse osmosis membrane automatic back washing technologies and back washing chemical medicament formulae are adopted according to water of different mineralization degrees, so that the problem of poor running effect of a mine water reverse osmosis system with a high mineralization degree is solved, and the effluent quality and stable running of a water treatment system are enhanced.

A synthetic method of di(trimethylsilyl)phosphite belongs to the technical field of compound synthesis. Trimethylchlorosilane and orthophosphorous acid which are adopted as raw materials undergo a reaction to obtain the di(trimethylsilyl)phosphite. The method comprises the following steps: placing orthophosphorous acid in methanamide, introducing nitrogen, stirring the orthophosphorous acid in methanamide for 15-20 min, adding the trimethylchlorosilane, simultaneously adding benzyltriethylammonium chloride and / or tetrabutylammonium hydrogen sulfate, continuously introducing nitrogen, controlling the reaction temperature to be less than 40 DEG C, and carrying out a one-step reaction to obtain the di(trimethylsilyl)phosphite. The synthetic method has the advantages of simplicity, easiness in operation, mild and stable reaction process, and high yield and high purity of the obtained di(trimethylsilyl)phosphite.

The invention belongs to the technical field of cleaning equipment, and relates to a base station which comprises a base station foundation and a cleaning tank, wherein the cleaning tank is detachablyconnected with the base station foundation, the cleaning tank is provided with a liquid inlet structure, a liquid outlet structure and a convex part, wherein, the convex part is used for scraping anddecontaminating a mop part of a cleaning robot. The base station, the cleaning tank and the base station foundation are detachably connected, the cleaning tank is provided with the liquid inlet structure, the liquid outlet structure and the convex part, garbage of the mop part is scraped and removed from the mop part by the convex part and falls onto the cleaning tank, the cleaning tank and the base station foundation are detached, the cleaning tank and the base station foundation can be cleaned, the base station is convenient to clean, the cleaning difficulty is small, and the user experience is improved.

The invention relates to a lead-free aluminum solder wire and a preparation method thereof. The lead-free aluminum solder wire comprises, by weight, 1.2-3.0% of metal components and 97-98.8% of soldering flux; the metal components comprise, by weight, 98-99.7% of tin and 0.3-2% of copper; and the soldering flux comprises, by weight, 60-85% of fluorination hydroxylamine, 5-30% of metal active salt, 1-5% of an active agent and 0.1-5% of a corrosion inhibitor. The lead-free aluminum solder wire is good in solderability, high in soldering efficiency which can be improved by over 10%, small in welding spattering and capable of lessening subsequent corrosion, reducing washing difficulties and saving precious tin solder, the soldering flux is not prone to leak and seep during storage, and problems that welding spattering is large, solderability is not high and soldering flux clamped in solder wires leak out to pollute the whole rolled products and even lead to product scrapping under serious conditions are solved.

The invention relates to detection equipment of a film solar cell and a method thereof, belonging to the field of solar cell technology. The automatic detection equipment of the film solar cell comprises a workbench and an X-Y-Z shaft motion mechanism. A crossbeam of a Y shaft motion mechanism is connected with an X shaft. The detection equipment is characterized in that: the X shaft is provided with a CCD positioner with automatic origin positioning, a marking mechanism, and a Z shaft with a detection mechanism, a four-in-one machine with integration of positioning, X-Y-Z shaft motion, detection and marking is formed, the four-in-one machine is controlled by an industrial control computer program to detect electrical performance of each unit cell in a film solar cell core plate, and a qualified unit cell in detection is marked with a character. The detection equipment with the integration of positioning, X-Y-Z shaft motion, detection and marking can clearly identify and classify a qualified product and an unqualified product before a cutting procedure, possibility of mixing of the qualified product and the unqualified product in classification is eliminated, a production procedure is saved, and production efficiency is raised.

The invention discloses a cylinder cover casting method. A sand mold is designed according to a cylinder cover, and is cut to multiple sand core units; an upper water cavity sand core is designed as a complete integral structure, and is provided with a through hole; the through hole totally wraps the outer periphery of an air way sand core; a gap is formed between the inner wall of the through hole of the upper water cavity sand core and the air way sand core; the upper water cavity sand core and the air way sand core are synchronously and integrally printed; then, all the sand core units are combined as a whole to form the complete sand mold; and the sand mold is cast to obtain the cylinder cover. The cylinder cover casting method reduces the sand core number, can effectively shorten the core assembly working time, enables the upper water cavity sand core to have no binding gaps, cannot generate cracks in pouring, improves the casting quality, needs no adhesive, and solves the problem of fire boiling caused by no drying of the adhesive in the casting pouring process.

The invention belongs to the field of wire laser additional material manufacturing, and discloses a polymer multi-material multi-laser flexible additional material manufacturing system and method. Thesystem comprises a plurality of modules, the modules correspond to different regions in a single slice layer, each module comprises a laser emitting unit, a plurality of robots and wire feeding unitsand extruding units which are matched with the robots, the laser emitting units and the extruding units are arranged separately so that extruding and melting are performed separately to avoid clogging of spray heads of the extruding units; the extruding units are arranged at the tail ends of the robots, the robots carry the extruding units to preset positions to achieve the transportation of wires, each robot conveys a wire correspondingly, the robots perform wire feeding according to preset trajectories and sequence, and the fed wire is melted under the action of the laser emitting unit to achieve forming of a plurality of materials of each slice layer. The polymer multi-material multi-laser flexible additional material manufacturing system and method solve the problem that the spray heads are easy to clog, improve the flexibility of the manufacturing system and achieve forming of large-sized products.

The invention belongs to the technical field of part machining, and specifically discloses a burr removal device for parts of a mechanical valve element. The burr removal device for the parts of the mechanical valve element comprises a rack and a U-shaped frame, wherein the U-shaped frame is arranged at the top of the rack; a water storage bin is arranged at the inner side of the rack; a fixed frame used for clamping the parts is installed at a part located at the inner side of the U-shaped frame, of the top of the rack; and a semicircular frame is fixedly connected to a part located at one side of the fixed frame, of the rack. According to the burr removal device for the parts of the mechanical valve element, a sweeping unit is enabled to rotate through a second motor, chippings generateddue to grinding are collected, air in an inner cavity of an air bag is extruded to be guided into a first air guide hose and a second air guide hose, so that a third arc-shaped rod close to the vertical center line of the semicircular frame and located above a rotary disc reversely rotates, and the falling-off of the chippings on a soft brush is accelerated while a crack in the inner side of thesemicircular frame is cleaned; and meanwhile, a second arc-shaped rod and the third arc-shaped rod which are located below the rotary disc rotate towards a direction close to the rotary disc, clear water is stirred to accelerate the falling-off of the chippings on the soft brush, so that the sweeping efficiency is effectively increased, and the cleaning difficulty is reduced.

The invention discloses a multi-glycol epoxy derivative cross-linked sodium hyaluronate gel used for injection and a preparation method thereof. The multi-glycol epoxy derivative is preferably a compound with a single molecular weight, multiple ether bonds exist in the molecule, the compound is good in water solubility and can generate cross-linking reaction with polysaccharide more easily, and because the quantity of multi-glycol repeating units is easy to adjust and the length is relatively easy to control, the performance of sodium hyaluronate gel prepared as a cross-linking agent is relatively easy to regulate; and the cross-linked sodium hyaluronate gel is low in toxicity, less in residue, weak in extruding thrust, good in moulding property, good in enzyme resistance and long in retaining time in the body. The invention further discloses a mild cross-linking agent inactivation technology, unreacted epoxy group in the gel undergoes hydrolysis reaction in a carbonate buffer system with pH of 8-9, so as to effectively reduce the difficulty in impurity removal of cross-linked sodium hyaluronate gel and avoid the problem of toxicity of BDDE used in a cross-linking method of the prior art.

The invention relates to the technical field of bean milk machines, in particular to a bean milk machine with a hand-mill stirrer. The bean milk machine with the hand-mill stirrer comprises a main body, a base and a charging frame, wherein the main body is connected with a handle, the base is provided with an electrical heating element, and a stirring device is arranged on the charging frame and comprises a milling barrel in which a cavity is arranged; a worm is arranged in the cavity, the circumferential surface of one end of the worm is provided with spiral milling grains, and the other end is provided with a rocker arm; and a part on the bottom of the milling barrel, which corresponds to the spiral milling grains, is also provided with milling grains, and the bottom and the middle of the milling grains on the bottom of the milling barrel are provided with bean milk outlets. The bean milk machine with the hand-mill stirrer has the advantages that the structure has relatively low cost and saves energy by adopting the mechanical stirring device, thereby enduing the product with high cost performance; the technology of the traditional heating mode is mature and is relatively low-cost, thereby being applicable to general consumer groups; and the structure has simple combination mode, less components and integral design of most of components, such as the stirring device, and the bean milk machine can be cleaned by a user through only a few of steps.

The invention relates to a method used to process plastic lens, wherein it comprises a shearing tool to shear and separated shaped plastic lens, a carbon dioxide snow ejector for ejecting the snow to clean lens, and a vacuum absorber for absorbing the plastic lens. The invention also provides relative method, which can effectively remove the dust and dirt in shearing process and reduce the cost.

The invention relates to a sweeping robot applicable to different occasions and a control method thereof. The sweeping robot comprises a shell, a controller and a power supply, wherein the controllerand the power supply are arranged in the shell; the controller is connected with a cleaning mechanism, a traveling mechanism, a sensing mechanism and a charging mechanism; the controller, the cleaningmechanism, the traveling mechanism and the charging mechanism are matched with the power supply; the traveling mechanism comprises a left traveling wheel sheathed on an output shaft of a first motor,a right traveling wheel sheathed on an output shaft of a second motor, and a universal wheel arranged at the front end of the bottom part of the shell; the first motor and the second motor are arranged on a lifting mechanism with the top part arranged at the top part of the inner side of the shell; the first motor, the second motor and the lifting mechanism are matched with the controller; the universal wheel is arranged at the bottom part of the lifting mechanism; the bottom parts of the universal wheel, the left traveling wheel and the right traveling wheel are arranged in the same horizontal plane. The sweeping robot and the control method have the beneficial effects that the basic cleaning and traveling are completed, the controller obtains information of the sensing mechanism and controls the lifting mechanism to change the height of the robot wholly, and the robot can sweep blind areas, so that the ground cleaning difficulty is reduced and the cleaning burden is relieved.

The invention discloses a mechanical Chinese milk vetch seed harvesting method and device. The method comprises the following steps: cleaning ditches and draining in a field; adjusting a harvester; cleaning sundries in the field; and harvesting the Chinese milk vetch in the field. The device comprises a fan, a double-deck vibrating screen, a reel, a cutter, an auger and a header, wherein the air quantity of a fan of a whole-feed rice combine is 6-9 m / s; the inclination angle of an upper screen of the double-deck vibrating screen and a horizontal plane clamp form an angle of 3-5 degrees; the distance from reel teeth of the reel to the cutter does not exceed 15 cm; the rotation speed of the reel is 10-15 r / min; the inclination angle of the unisexual reel teeth on the reel tilts backwards and forms an included angle of 5-15 degrees with the perpendicular line; the distance between the cutter and the auger does not exceed 15 cm; the cutter is 5 cm above the ground. According to the method and the device, the Chinese milk vetch can be harvested by using the conventional harvester through continuous testing and adjustment, the problem of bottle neck of seed production in southern rice area green manure crop production and utilization development is solved, a direct promotion effect on green manure development which is arisen in China again is achieved, and the incomes of Chinese milk vetch seed reserving farmers are improved; the method and the device have great application and promotion value.

The invention provides a making method of ultrahigh molecular weight polyethylene colored fibers. The method is characterized in that an organic pigment solution and an ultrahigh molecular weight polyethylene fiber spinning stock solution undergo blending extrusion in a double screw extruder, the internal temperature of the double screw extruder is high, and a spinning stock solution and organic pigment solution mixture is always in a flow state, so solidification and residual of the organic pigment in the double screw extruder are prevented, pollution of the organic pigment to a spinning device is effectively avoided, and the cleaning difficulty of the spinning device is reduced. The pigment is an organic pigment, and has good intersolubility with the spinning stock solution, so the colored fibers made in the invention have uniform color.

The invention relates to the field of medical instrument, in particular to a medical scalpel support. The support comprises a support unit, a scalpel carrying unit and scalpel clamping units. The support unit can move freely. The support unit is used for supporting the scalpel carrying unit and the scalpel clamping unit. The scalpel carrying unit is rotatably installed on the support unit and used for placing the scalpel clamping units and capable of adjusting the angle between the scalpel clamping unit and the horizontal plane. The scalpel clamping units are uniformly installed on the scalpel carrying unit. Each scalpel clamping unit can hold three scalpels. The types for scalpels that can be accommodated comprise a scalpel made by metal flat material, a disposal ordinary scalpel with a plastic handle and a scalpel with a handle in a cylindrical structure. Blades for the wide variety of scalpels on the scalpel clamping units are suspended in the air. The medical scalpel support has the following beneficial effects: different kinds of scalpels during operations can be efficiently stored and conveniently taken out so that pollution of scalpel heads is minimized.

The invention discloses a light pole capable of automatically clearing away adlets. The light pole comprises a light pole body, optical sensors are arranged on the periphery of the light pole body in a winding mode, an air guide device for impacting the adlets is arranged in the light pole body, the air guide device comprises an air inlet, an air collecting tube and air guide tubes, the air inlet is formed in the upper end of the light pole body, the air collecting tube is coaxial with the light pole body and is horizontally installed in the light pole body, a single chip microcomputer which receives optical sensor signals and a blowing device controlled by the single chip microcomputer are arranged at the bottom of the light pole body, and a temperature control heating device is arranged on the lower portion of the light pole. According to the light pole capable of automatically clearing away the adlets, whether the adlets are adhered to the light pole is detected by means of the optical sensors, the optical sensor signals are received through the single chip microcomputer, the blowing device and the temperature control heating device are automatically started to provide hot air to impact the adherence surface of the adlets, the adlets can be cleared away in time, the cleaning difficulty is reduced, power consumption is little, the labor cost is reduced, cleanliness and attractiveness of the light pole are guaranteed, and the light pole is very suitable for urban beautification.

The invention discloses a fingerling pond appropriate for multistage culture of sturgeons. The fingerling pond comprises a first-stage pond, a second-stage pond, a third-stage pond and a fourth-stage pond, which communicate with one another sequentially along the water flow direction, wherein the pond depth of the first-stage, second-stage, third-stage and fourth-stage ponds increases gradually, each fingerling pond comprises a pond bottom, a drainage port and pond walls, and escape preventing meshes are arranged at the drainage ports; a water inlet groove is formed around the periphery of the pond walls, water inlets are formed between the water inlet groove and the pond walls, the vertical height difference between every two adjacent pond bottoms is 20-30cm, a step is arranged between every two adjacent pond bottoms, embankments are arranged at the upper part of each step, and each removable intercepting mesh is arranged between the two corresponding embankments; a sewage discharge outlet is formed in the fourth-stage pond, and a bar grate is arranged at the discharge outlet; and the minimum height of the pond walls is 1m. According to the fingerling pond, the four fingerling ponds, which communicate with one another and are inconsistent in water depth, are used for feeding the sturgeons so as to meet the requirements of fingerlings of different stages on water level, and thus, the pond transferring for the sturgeons is convenient and fast; and feed in the fingerling ponds of upper layers can flow into the fingerling ponds of lower layers so as to feed the sturgeons, meanwhile, the wasting of the feed is avoided, and the difficulty of cleaning is lowered.

The invention discloses a soldering tin wire for circuit boards. The soldering tin wire for the circuit boards comprises, by weight, 97.4-98.2% of hollow tin alloy and 1.8-2.6% of scaling powder arranged in the tin alloy in a filling mode. The tin alloy comprises, by weight, 2-9 parts of Cu, 1-5 parts of Ni, 0.2-1.2 parts of P, 0.1-0.7 part of Ga, 40-60 parts of Sn and 2-8 parts of Bi. The scalingpowder comprises, by weight, 1-3 parts of fluoridation hydroxylamine, 2-4 pars of metal active salts, 1-5 parts of active agents, 0.1-0.5 part of corrosion inhibitor, 2-8 parts of organic acid, 0.5-3.5 parts of azole substances, 1-5 parts of oxidation resistant oil and 10-30 parts of rosin. The soldering tin wire has good solderability, higher welding efficiency, higher welding efficiency can beincreased by more than 10%, spatter is less during welding, the subsequent corrosion is reduced, the difficulty of cleaning is reduced, the precious tin solder is saved, the scaling powder is prone toleaking by storage, and the rejection rate is effectively reduced.

The invention relates to a spring cartridge dust remover comprising a dust removal chamber, a purifying chamber and an ash bucket; the purifying chamber and the dust removal chamber are separated by a separation plate; dust removal units are rotationally and symmetrically distributed on the lower surface of separation plate; the dust removal units each comprise a fixed shaft and an electromagnetic ring, and each electromagnetic ring can slide along the axis of the fixed shaft in a reciprocating manner; the electromagnetic rings are electrically connected with a dust remover power supply; a dust removal cartridge is fixed below each electromagnetic ring and is coaxial with each fixed shaft; the lower end of each dust removal cartridge is sealedly fixed on a conductive sheet at the lower part of the dust removal chamber, and the conductive sheets are electrically connected with the dust removal power supply; each dust removal cartridge comprises an electromagnetic spring and a dust removal net, the upper end of each electromagnetic spring is electrically connected with the electromagnetic ring, and the lower end of each electromagnetic spring is electrically connected with the conductive sheet; the outer part of each electromagnetic spring is fixedly wrapped with the dust removal net; the dust remover is novel and unique in structure, can efficiently clear dust, and effectively improves the cleaning efficiency.

The invention relates to liquid waste treatment tank comprehensive cleaning equipment. The liquid waste treatment tank comprehensive cleaning equipment comprises a top supporting plate, supporting devices, a cleaning device and a suction device. The front and rear ends of the supporting plate are each provided with an expansion groove. One supporting device is mounted in each expansion groove of the supporting plate. The cleaning device is mounted on the lower end face of the middle portion of the top supporting plate. The suction device is mounted on the cleaning device. The suction device comprises a scraping plate electric sliding block, a scraping connecting plate, a scraping angle plate, a scraping angle push rod, scraping cylinders, scraping sliding columns, a sliding column connecting plate, a scraping mechanism, a suction mechanism and sliding column springs. Through the liquid waste treatment tank comprehensive cleaning equipment, the problems that an existing liquid waste treatment tank is large in cleaning difficulty, low in cleaning efficiency and not thorough in cleaning, the sidewall of the treatment tank cannot omnidirectionally at a time, sundries cleared off from the treatment tank cannot be automatically gathered and the cleaning difficulty of the sundries at the bottom of the treatment tank is large can be solved.

The invention discloses a pressure stabilizing type non-negative pressure water supply system which comprises a water inlet pipe, a water inlet pipe pressure stabilizing device, a water supply power combination device and a water supply pipe. The water inlet pipe pressure stabilizing device is integrally arranged on the water inlet pipe communicated with a municipal tap water pipe, and the water inlet pipe is supplied to all users after being treated and pressurized by the water supply power combination device; the water inlet pipe pressure stabilizing equipment comprises a high-level water tank, a hydraulic cylinder and a pressurizing barrel, the high-level water tank is communicated with the water inlet pipe through an L-shaped pipe, a water replenishing valve is arranged on the L-shapedpipe, the bottom of the high-level water tank is communicated with the pressurizing barrel through a folding pipe, a first electromagnetic control valve and a third check valve are arranged on the folding pipe, and a liquid level sensor is arranged in the high-level water tank; and an output shaft of the hydraulic cylinder is fixedly connected with a piston in the pressurizing barrel, the bottomend of the pressurizing barrel is communicated with the water inlet pipe through a pressurizing pipe, and a second electromagnetic control valve and a fourth check valve are arranged on the pressurizing pipe.

The invention belongs to the technical field of air purifiers, and particularly relates to an environment-friendly air purifier. The environment-friendly air purifier comprises a body, wherein an airoutlet hole is formed in the top of the body, and an air inlet hole is formed in the side edge of the body; an air guide cylinder is arranged at the position, corresponding to the air outlet hole, inthe body, and a fan is fixedly connected in the air guide cylinder through a support; the bottom of the air guide cylinder communicates with an air box, and an opening is formed in the side, close tothe air inlet hole, of the air box; a group of first supports are fixedly connected in the body between the air box and the air inlet hole, a pair of rollers are rotationally connected to the first supports, and an annular filter screen is arranged between the two rollers in a sleeving mode; a cleaning unit is arranged on one side of the filter screen, a driving roller is rotationally connected inthe body on one side of the rollers through a support, and a hub motor is arranged in the driving roller; and the driving roller and rotating shafts of the rollers are in transmission through a belt.According to the environment-friendly air purifier, the filter screen moves downwards along with the anticlockwise rotation of the rollers, the filter screen is cleaned through the cleaning unit, sothat the blockage of the filter screen is reduced, and the usability of the air purifier is improved.

The invention discloses a cleaning method for a cast-in-place reinforced concrete stair segment timber template. The timber template consists of a square timber back ridge, a bottom die, a left stair slab side die, a right stair slab side die and a rectangular stepping side die. The cleaning method specifically comprises the following steps of: (1) manufacturing the stair segment bottom timber template; (2) mounting the stair segment timber template; and (3) cleaning garbage at a stair segment concrete construction gap. The cleaning method is convenient and reliable in construction; the current cleaning method for the garbage at the cast-in-place reinforced concrete stair segment construction gap is improved, the cleaning difficulty is effectively reduced, the cleanness for cleaning of the stair segment construction gap and the casting quality of the concrete at the construction gap are improved.

The invention relates to automatic clamping and cleaning equipment for a tee flange pipe. The automatic clamping and cleaning equipment comprises a supporting bottom plate, a clamping device, a cleaning device and a lateral cleaning device. The clamping device is mounted at the top of the rear end of the supporting bottom plate, the cleaning device is located at the upper end of the clamping device, and the cleaning device is mounted at the top of the supporting bottom plate. The lateral cleaning device is located on the left side of the clamping device and mounted at the top of the supportingbottom plate. The clamping device comprises clamping side plates, a clamping motor, a clamping slide groove, a clamping slide rod, a clamping rotating plate and a clamping mechanism. The automatic clamping and cleaning equipment can solve the problems that when sand in an existing tee flange pipe is removed, manual labor intensity is high, a tee cannot be clamped and fixed according to the structure of the tee, a straight pipe of the tee needs to be manually cleaned, the cleaning effect of the straight pipe of the tee is poor, the straight pipe of the tee and a flange cannot be synchronouslycleaned, and lateral pipes of the tee are high in cleaning difficulty and cannot be completely cleaned.