59results about How to "Avoid frequent cleaning" patented technology

The invention relates to a kitchen garbage slurry anaerobic fermentation wastewater treatment method, in particular to a treatment method for treating wastewater produced in other procedures through wastewater produced after anaerobic fermentation dehydration of kitchen garbage slurry and kitchen garbage. Wastewater is subjected to oil-separation primary precipitation, water amount and water quality adjustment, first pH value adjustment, free ammonia stripping in an ammonia stripping tower, second pH value adjustment, A/O biochemical treatment, precipitation treatment, treatment in a Fenton reactor and treatment in a coagulative precipitation tank, so that pollutants such as COD, BOD5 and SS in the wastewater are removed, TN and TP can be removed effectively, the wastewater chroma can be lowered effectively, the TN and TP removing rates are increased, and pollutants such as COD, BOD5, TN, NH3-N, TP and chroma in the treated wastewater can stably meet the requirements in Integrated Wastewater Discharge Standard (GB8978-1996, grade III standard) and Wastewater Quality Standards for Discharge to Municipal Sewers (GB/T 31962-2015, grade B).

The invention provides a zero-discharge treatment process for salt-containing waste water. The process comprises the following steps of: a, performing flash evaporation on salt-containing waste water, exchanging heat with a condensate from a flash tower heater for further heating, entering a degassing tower for removing dissolved oxygen and carbon dioxide, entering a salt solution storage groove for mixing with a circulating salt solution flowing out of the bottom of the flash tower, feeding into a flash tower through a flash tower feed pump, spraying through a salt solution distributor, exchanging heat with steam produced at the bottom of the flash tower, and partially vaporizing; b, recovering heat from a condensate discharged from the flash tower heater through a heat exchanger, returning an extremely small amount of the condensate into a steam ejector for serving as steam saturated water, and feeding the remaining condensate serving as recycled water to a production device for reutilizing; and c, recovering heat from the other part of a concentrated salt solution discharged from the bottom of the flash tower by performing flash evaporation through a flash tank, and feeding the concentrated salt solution into a centrifuge for performing separating treatment or feeding to an evaporation pond for naturally evaporating. According to the zero-discharge treatment process for salt-containing waste water, frequent cleaning of an entire system is avoided; and the process is simple, and has low operating cost.

The invention relates to the field of cleaning electric appliances and discloses a vertical-type vacuum cleaner. The vertical-type vacuum cleaner comprises an intelligent sweeper (1) which is providedwith a dust collection box, a charging base (3) which is used for charging the intelligent sweeper and a vertical-type machine (2) which is provided with a dust cup; the charging base is provided with a channel which makes the dust collection box and the dust cup communicated and a dust recycle switch which controls the state of the channel, the vertical-type machine can be detachably arranged onthe charging base, and under the state that the vertical-type machine is arranged on the charging base, when the intelligent sweeper is arranged on the charging base, the dust recycle switch can be triggered. According to the vertical-type vacuum cleaner, the situation is avoided that the dust collection box of the intelligent sweeper is frequently cleaned, the manual operation time is saved, meanwhile, the vertical-type machine, the charging base and the intelligent sweeper can be combined for use and can also be separated for working, the space of flexible selection by a user according to working requirements is increased, cleaning is complete and time is saved during splitting use, the occupation area is small during assembly storage, and accordingly the user experience is greatly improved.

The invention discloses an intelligent cleaning system for a rear camera of an automobile, relating to the field of artificial intelligence. According to the system, two automobile rear-mounted cameras are installed, when one rear-mounted camera needs to be cleaned, switching operation is carried out in a short time, automobile rear-mounted cameras meeting use requirement are switched out for use,then the switched automobile rear-mounted camera needing to be cleaned is cleaned, the time for an automobile owner to wait for cleaning of the automobile rear-mounted camera is avoided, cleaning operation cannot occur in a reversing picture, the reversing process cannot be disturbed, and safety is higher.

The invention discloses a low-temperature baking cigarette withdrawing tool. The low-temperature baking cigarette withdrawing tool comprises a heating tip and an electric rod assembly for supplying power to the heating tip, wherein a heating body for heating a cigarette is arranged in the heating tip; a cigarette withdrawing body used for supporting the cigarette is movably arranged on the heatingbody; the cigarette withdrawing body is provided with a through hole matched with the heating body; the cigarette withdrawing body has a first position and a second position; when the cigarette withdrawing body is positioned at the first position, the heating body passes through the through hole, enters the cigarette and heats the cigarette; when the cigarette withdrawing body is positioned at the second position, the heating body exits from the through hole in order to be separated from the cigarette. According to the low-temperature baking cigarette withdrawing tool, the cigarette withdrawing body in the tool is used for supporting the cigarette, so that residue on the heating body can be scraped in conjunction with the through hole of the heating body after finishing of heating, separation of the cigarette and the heating body is realized, the situation of cigarette residue in the tool due to direct pull and insertion of the cigarette is avoided, and frequent cleaning of the cigarette is avoided effectively.

The invention discloses a device for treating kitchen waste slurry fermentation wastewater, and relates to devices for treating wastewater obtained after anaerobic digestion and dehydration are carried out on kitchen waste slurry and wastewater generated in other working procedures. The device has the advantages that the kitchen waste slurry fermentation wastewater is sequentially treated by an oil separation primary settling tank (1), a regulating tank (2), an A/O (anaerobic/oxic) biochemical treatment device (3), a settling tank (4), an air flotation device (5), a Fenton reactor (6), a coagulating settling tank (7) and an aeration biological filter tank (8), accordingly, requirements on effectively removing pollutants such as COD (chemical oxygen demand), BOD<5> (biochemical oxygen demand <5>) and SS (suspended solids) in the kitchen waste slurry fermentation wastewater can be met, TN (total nitrogen) and TP (total phosphorus) can be effectively removed, the chromaticity of the kitchen waste slurry fermentation wastewater can be effectively lowered, and the TN and TP removal rates can be increased; requirements of 'primary standards' of the Comprehensive Wastewater Discharge Standards (GB8978-1996) on pollutants such as the COD, the BOD<5>, NH3-N and the TP in the treated kitchen waste slurry fermentation wastewater and the chromaticity of the treated kitchen waste slurry fermentation wastewater can be stably met.

The invention belongs to the technical field of air conditioners and aims to solve the problems that the temperature of air discharged from an existing indoor unit of an air conditioner is not distributed uniformly and a user is easily blown straightly. For the purpose, the invention provides an indoor unit of an air conditioner. The indoor unit of the air conditioner comprises a housing and a rotary air guide mechanism which is arranged on the housing; the housing is provided with an air outlet; the rotary air guide mechanism is arranged at the air outlet; the rotary air guide mechanism is configured to rotate to a first position when the air conditioner executes a refrigeration mode so that the air discharged from the indoor unit can be guided out upwards, rotate to a second position when the air conditioner executes a heating mode so that the air discharged from the indoor unit is guided out downwards and rotate to a third position when the air conditioner executes a straight-blow-preventing mode so that the air discharged from the indoor unit is guided out after being divided up and down. According to the indoor unit provided by the invention, when the air conditioner is in a refrigeration mode or in a heating mode, the temperature of discharged air is distributed uniformly; moreover the user can make the air conditioner execute a straight-blow-preventing mode when the useris close to the indoor unit, so the user is prevented from straight blowing and is prevented from feeling uncomfortable.

The invention discloses an ultraviolet light disinfection toilet. The ultraviolet light disinfection toilet comprises a toilet cylinder with an edge on the upper portion, a water tank connected with the toilet cylinder and a dividing structure used for dividing the water tank into a first water feeding cavity and a second water feeding cavity which are used for conveying domestic wastewater into the toilet cylinder, and the second water feeding cavity stores clear water and flushes the inner wall of the first water feeding cavity and the inner wall of the toilet cylinder after the domestic wastewater in the first water feeding cavity is discharged. The water tank of the ultraviolet light disinfection toilet is divided into the first water feeding cavity and the second water feeding cavity,the domestic wastewater is utilized, and therefore water resource waste is reduced; by arranging an ultraviolet light disinfection structure in a conveying pipe, the wastewater is disinfected instantly when used, the disinfection effect is good, bacteria are effectively prevented from breeding in the second water feeding cavity again, and it is guaranteed that the wastewater is in a sterile state.

The invention discloses a nail ordering machine for steel nails and a control method thereof, and belongs to the technical field of nail ordering machines. The technical problem to be solved is to provide a nail ordering machine for steel nails, which is high in automation degree and high in finished product quality. The following technical scheme is adopted: according to the nail ordering machine for the steel nails, a charge drum is fixed on a support; an inclined groove is arranged in the charge drum; the tail end of the inclined groove is connected with an inclined nail ordering rail; one end of the inclined nail ordering rail is located in the charge drum, and the other end of the inclined nail ordering rail is connected with a horizontally-arranged flat rail; a baffle is arranged at the middle of the inclined nail ordering rail; adhesive outlet ports of an adhesive outlet device are arranged in the two sides of the flat rail; and a nail cutting device is installed at the tail end of the flat rail. The nail ordering machine for the steel nails further comprises a nail receiving mechanism, a nail filling device and a nail beating mechanism, wherein an automatic control mechanism is further arranged in the adhesive outlet device. The nail ordering machine for the steel nails, which is disclosed by the invention, realizes high automation, and operation and control for one machine can be easily completed only by one person, thus the labour intensity of workers is reduced, the labour cost is saved, and the finished product quality is further improved.

The invention relates to the technical field of household appliances, in particular to a clothes drying method and a clothes dryer. The clothes drying method comprises the steps that after the clothesdryer is started, whether a water storage box is located at a preset position or not is detected; if the water storage box is not located at the preset position, a user is reminded to adjust the position of the water storage box. The clothes drying method has the function of detecting whether the water storage box is installed in place or not, and if the water storage box is not installed in place, the user can receive a corresponding prompt. The user can select to adjust the position of the water storage box according to the prompt so that condensed water can be pumped into the water storagebox from a water storage tank, and the water in the water storage box can enter the water storage tank after overflowing. When the clothes dryer detects that a water storage assembly is full of the water, the water storage box and the water storage tank are both filled with the condensed water. The situation that a machine mistakenly prompts to clean the water storage box is avoided, the situation that the water storage box is frequently cleaned by the user under the condition that the water storage box is not full is avoided, the clothes drying efficiency is ensured, and the satisfaction degree of the user is improved.

The invention provides a GCS type low-voltage draw-out switch cabinet, and relates to the field of switch cabinets. The GCS type low-voltage draw-out switch cabinet comprises a device body. Device cavities are formed in the device main body and are close to the two sides. A plurality of sliding grooves are formed in two inner side walls of the device chamber. A plurality of drawing plates are arranged in the device chamber. A cable chamber is formed in the device main body and is positioned between the device chambers, and a plurality of limiting plates are fixedly connected to the interior ofthe cable chamber, wire fixing plates are hinged to the surfaces of the limiting plates, an air exhaust chamber is formed in the position, close to the top, of the interior of the device body, the air exhaust chamber communicates with the device cavity and the cable chamber, and sliding rails are arranged at the position, close to the two sides, of the inner top of the air exhaust chamber. By means of the multifunctional structural design, the switch cabinet can rapidly dissipate heat when generating large heat in the working process, and overhauling is more convenient.

The invention provides a method of reducing calcium content in a high calcium sulfate content feed liquid and belongs to the technical field of hydrometallurgy. The method of reducing calcium contentin the high calcium sulfate content feed liquid comprises the following steps: mixing the high calcium sulfate content feed liquid with calcium sulfate crystal seeds; and carrying out sedimentation treatment, ageing and solid-liquid separation, successively, wherein the content of calcium sulfate in the high calcium sulfate content feed liquid is 2.30-2.56 g/L, and the pH value is 4.0-4.5; and thegrain sizes of the calcium sulfate crystal seeds are 11-18 [mu]m. The calcium sulfate crystal seeds with special grain sizes are adopted to induce calcium sedimentation, so that the content of calcium sulfate in the feed liquid can be reduced effectively, a condition that calcium sulfate precipitates in an extraction tank are cleaned frequently in a follow-up extraction and calcium removal step is avoided, the manpower and material resources are saved, and the production efficiency is improved. In addition, the method provided by the invention is simple in step and high in operability, and facilitates scale production.

The invention discloses a car roof protection device connected with two longitudinal beams of a car roof luggage rack. The car roof protection device comprises two cross beams, two connection pieces and a foldable covering piece. The two ends of the covering piece are connected with the two cross beams respectively through the connection pieces, the cross beams are arranged between the two longitudinal beams of the luggage rack, and the two cross beams can be separated along the longitudinal beams, so that the covering piece is unfolded and laid on a car roof. The covering piece is made of light-proof materials, can shield sunlight for a car and achieves the sun-shading and heat insulation effects, so that heat energy absorbed by the car roof and conducted into the car is reduced, and it is avoided that a driver feels not comfortable due to overhigh temperature in the car and harmful gas emitted by objects in the car due to high temperature affects health of the driver; meanwhile, the covering piece is laid on the car roof and can block falling objects from directly falling on the car roof, falling objects are prevented from contaminating and damaging the surface of the car roof, and therefore the car is prevented from being cleaned frequently, the surface of the car roof is protected, the car maintenance expenses are reduced, and the car maintenance time is shortened.

The invention provides a kitchen waste slurry fermentation wastewater treating method which is used for treating wastewater produced from kitchen waste slurry after anaerobic digestion and dewatering and wastewater produced in other procedures of kitchen waste treatment. The wastewater is subjected to oil-separation primary sedimentation, water quantity and water quality regulation, A/O biochemical treatment, sedimentation treatment, air floatation treatment, treatment in a Fenton reactor, treatment in a coagulative sedimentation tank and treatment in a biological aerated filter in sequence. With adoption of the method, pollutants such as COD (chemical oxygen demand), BOD5 (biochemical oxygen demand), SS (suspended solids) and the like in the wastewater are removed effectively, TN (total nitrogen) and TP (total phosphorus) can be removed effectively, wastewater chroma can be reduced effectively, TN and TP removal rate is increased, and the pollutants such as COD, BOD5, NH3-N, TP and the like in the treated wastewater as well as the chroma of the treated wastewater can stably meet requirements of level-1 in the integrated wastewater discharge standard (GB8978-1996).