90results about How to "Filter clean" patented technology

The invention relates to the field of environmental protection and utilization, in particular to an urban rainwater ecological utilization device. A mobile activated carbon adsorption rack comprises a middle circular plate, groove rods, activated carbon boxes and flanges, wherein four groove rods are evenly welded to the middle wafer in an annular mode, up-down transparent grooves are formed in the groove rods, flanges are symmetrically arranged on the portions, the lower ends in the grooves, of the groove rods, and the upper ends of the activated carbon boxes are matched with the groove rods in a sliding mode. First hinge bases are arranged on the activated carbon boxes, sliding grooves are formed in the activated carbon boxes, and the activated boxes are of a hollow structure; two opposite side faces of the activated carbon boxes are open and connected with wire mesh through screws, the first hinge bases are symmetrically arranged at the upper ends of the activated carbon boxes and connected to the top faces of the activated carbon boxes in a welded mode, the activated carbon boxes are matched with the flanges on the groove rods through the sliding grooves, and the number of the activated carbon boxes is four.

A dust box joined to a dust collecting device is formed of a box body, and a lid body that is joined to the box body by a hinge and can open and close an opening of the box body, and a main filter and a pre-filter are attached to the lid body.

The invention provides an agricultural greenhouse capable of automatically collecting rainwater, and relates to the field of agricultural greenhouse devices. The agricultural greenhouse capable of automatically collecting rainwater comprises a waterproof layer, a plastic film is arranged in the waterproof layer; a water collecting tank is arranged at the top of the waterproof layer; the top of thewater collecting tank is provided with a water collecting opening; a water storage tank is arranged at the bottom of the water collecting tank; the bottom of the water collecting tank communicates with a water inlet pipe; and the upper side of the inner wall of the water storage tank is fixedly provided with a first water level sensor. The agricultural greenhouse capable of automatically collecting rainwater is provided with a sand filter layer, a ceramic filter layer and an activated carbon adsorption layer, rainwater enters the water collecting tank through the water collecting opening, andimpurities in the rainwater is filtered out by the sand filter layer, the ceramic filter layer and the activated carbon adsorption layer in the water collecting tank, so that the rainwater is betterfiltered. Through the arrangement of the water collecting opening, the water collecting tank, discharge spouts and water collecting plates, rainwater can be effectively collected in multi-direction and then injected into the water storage tank, and cycle use of rainwater in the greenhouse is facilitated.

The invention discloses a serial connection type petroleum pipeline filtering device. The serial connection type petroleum pipeline filtering device comprises a multi-grade filtering inner core and a single-grade filtering inner core, wherein the outer part of the multi-grade filtering inner core is provided with an upper-grade filtering pipe section and is communicated with a low-grade filtering pipe section at the outer part of the single-grade filtering inner core through the pipe section; the inner part of the multi-grade filtering inner core is internally and vertically provided with three paths of net hole type filtering nets; a filtering groove is formed above the inner part of the single-grade filtering inner core; a layer of a filtering net is respectively and additionally arranged in each one of respective end ports of the engaged part of the upper-grade filtering pipe section and the low-grade filtering pipe section. The serial connection type petroleum pipeline filtering device disclosed by the invention has the beneficial effects that a serial connection type double-core structure is arranged to filter and filtering structures are respectively vertically and horizontally arranged inside the two inner cores; meanwhile, a filtering structure is additionally arranged at the engaged part of outer part pipe sections of the two inner cores, so that the aim of running water form filtering is realized; the serial connection type petroleum pipeline filtering device has the advantages of reasonable structure, convenience and practicability, strong filtering effect and the like, and is capable of filtering petroleum by layers and capable of providing convenient use conditions.

An apparatus and processes for producing compound cigarette filters by horizontally assembling multiple filter segments onto the horizontally oriented transverse flutes of a continuous belt. Spaced apart hoppers are serially arranged above the belt, and each hopper contains at least one of the multiple segments of the compound filter being assembled. A transfer structure between each hopper and the belt serially delivers the filter segments to the flutes on the belt, and after such assembly the various filter segments are removed as a group from each flute of the continuous belt. The filter segments are then combined as a group with wrapped tobacco rods to thereby produce filtered cigarettes.

The invention discloses a drinking water filter for the field. The drinking water filter comprises a fixed bottom plate, wherein the center of the upper surface of the fixed bottom plate is connected with a telescopic link through bolts, an evaporating pot is arranged at the telescopic end of the telescopic link, an upper end cover is arranged at the upper end of the evaporating pot, a check ring is arranged at the lower end in the upper end cover, the cross section of the check ring is of an L-shaped structure, one side of the evaporating pot is connected with a water storage tank through a fixed ring, the upper end of the water storage tank is connected with one side of the upper end cover through a guide pipe, and the connection part between the upper end cover and the guide pipe is positioned at the upper end of the check ring. Solid particles in water can be filtered by the filtering device, so filtration is more convenient; and sunshine can be gathered to the lower end of the evaporating pot through light-reflecting cloth, so water can be evaporated and filtered by the evaporating pot to obtain pure water. The drinking water filter for the field is simple in structure and simple and convenient in operation, the water filtered by the drinking water filter is cleaner, and the drinking water filter is more convenient in use.

The invention discloses an environmental-protection industrial sewage treatment device including a treatment box; the top of the treatment box is fixedly connected with a top rack, a part, located atthe inner side of the top rack, of the top of the treatment box is fixedly connected with a stirring motor; the stirring motor is rotatingly connected with a stirrer through a coupler; the stirrer islocated inside the treatment box; the outer side of the treatment box is provided with a sewage primary treatment tank; a net filter is arranged below the interior of the sewage primary treatment tank; a liquid guide pipe is fixed at the bottom of the sewage primary treatment tank; one end, far away from the sewage primary treatment tank, of the liquid guide pipe communicates with the treatment box. The invention relates to the technical field of industrial environmental protection. The environmental-protection industrial sewage treatment device achieves the purpose of industrial sewage treatment, and heavy metals in sewage are recycled and reused. The whole device has simple structure and low construction cost, and is suitable for small factories. A primary filter screen of the net filteris arranged together through a filter installation frame, and later replacement and cleaning are convenient.

The invention provides a pipeline sewage treatment device convenient to maintain and check, relates to the technical field of sewage treatment, and aims to solve the problems that when an existing pipeline sewage treatment device is used, large-particle substances in sewage cannot be automatically segmented, an air outlet cannot be automatically sealed when the water level rises, and maintenance and check are difficult. The pipeline sewage treatment device comprises a main body, and the main body is a pipeline sewage treater body, and connectors are arranged at the two ends of the main body; and a fixing plate and a clamping block are made of elastic plate materials. When sewage passes through, the sewage is in contact with a dividing piece, large objects in the sewage can be automatically divided by the dividing piece, the objects can be divided into small blocks to pass through, the sewage filtering effect is better, the top groove is formed above the through groove, the smell of the sewage can be discharged and diffused, and when the water level of the sewage rises, the sewage can be in contact with a moving piece, and as the moving piece is made of a foam material, the moving piece can rise after receiving buoyancy, so that the interior of a top groove is sealed, and sewage is prevented from being discharged.

The invention relates to the technical field of high-power optical fiber lasers, and discloses an optical fiber device and a manufacturing method thereof. The manufacturing method of the optical fiberdevice comprises the steps of conducting periodic etching on a working window of a double-clad optical fiber through lasers; and scanning and heating the etched part and tapering the double-clad optical fiber to form periodic gourd-shaped distribution on the double-clad optical fiber. The double-clad optical fiber is tapered into periodic calabash-shaped distribution. Meanwhile, the fiber core also forms the same periodic gourd shape, so that the ratio of the high-order mode laser in the fiber core to the cladding for transmission is increased. The high-order mode laser transmitted in the cladding is easily filtered. Finally, the quality of the output beam of the fiber laser can be well improved. The optical fiber device manufactured through the manufacturing method can solve the problemthat in the prior art, high-order mode laser stripping is incomplete, and can also solve the problems that the working state of an optical fiber laser is unstable, and an output optical fiber has thefailure risk.

The invention discloses a process device for producing freshly squeezed ancient brown sugar. The device comprises a rolling type sugarcane squeezer, a containing tank, a pump pressure filter, a buffertank, a conveying pump, a negative pressure electromagnetic dry-wet separator, a secondary electromagnetic evaporator and a continuous forming machine which are connected in sequence; the sugarcane is sent into a disinfection vehicle to be disinfected and then sent into the rolling type sugarcane squeezer to be squeezed, and sugarcane juice is sequentially subjected to pumping filtration, dry-wetseparation concentration, electromagnetic evaporation secondary concentration and continuous forming and mold overturning to obtain a brown sugar product. During dry-wet separation and concentration,the vacuum pump sucks away steam generated in the evaporation and concentration process, and the steam is sequentially filtered, condensed and filled to obtain filled distilled water. The invention can better protect and develop the ancient brown sugar sugar making technology, and can meet the requirements of safety, sanitation, high efficiency, adaptation to the age and modern market for endowing food with health and safety.

The invention relates to a filtering and collection unit of a pharmaceutical terminal for semi-finished products. The filtering and collection unit is of a fully sealed plate vane-type purification filter. The purification filter comprises a tank and an upper cover which are fixedly connected by flange bolts; a feed tube is arranged on top of the tank and a discharge tube is arranged at the bottom of the tank; the purification filter is characterized in that: a sieve plate is arranged slantwise at a distance above the bottom of the tank, and a collection tube is arranged on a side wall of the tank and on an upper surface of a lower end of the filter sieve plate; a collection and discharge tube spanning the tank is arranged above the filter sieve plate and has one end extending outside the tank and externally connected with the discharge tube; a plurality of plate-shaped filter mantles are arranged in parallel above the collection and discharge tube, and all plate-shaped filter mantles are provided with discharge openings at the bottoms for communicating with the collection and discharge tube. The purification filter helps solve problems of severe work environment, insalubrity, effect on quality of products and low production efficiency of in the existing manual filtering and collecting with cloth bags, and is especially suitable for enzymatic hydrolyzate filtration or resin collection during production of sodium heparin products.