10results about How to "Guaranteed to pass" patented technology

The utility model relates to the field of coal processing, and discloses a crushing device which comprises a storage mechanism used for storing coal raw materials and a crushing mechanism arranged in the storage mechanism and used for crushing the coal raw materials, and further comprises a filter screen arranged in the storage mechanism and located below the crushing mechanism, the filter is used for filtering coal raw materials; the cleaning mechanism is arranged on the storage mechanism, is positioned below the filter screen and is used for cleaning the filter screen; the cleaning mechanism comprises a pushing piece and a cleaning piece, wherein the pushing piece is arranged on the storage mechanism in a penetrating mode; the cleaning brush is arranged on the pushing part, is positioned below the filter screen and is used for cleaning impurities in the filter screen. According to the coal filtering device, the impurities left in the filter screen are cleaned, the cleanliness of the filter screen is kept, and the coal filtering efficiency of the filter screen is improved.

This utility model discloses a low-load liner for preventing material blockage, relating to the field of liner technology. It includes a liner body comprising an upper liner, a middle liner, and a lower liner fixed sequentially from top to bottom. The bottom of the inner wall of the upper liner has an installation groove, within which a vertically positioned limiting post is fixed. A slider is sleeved and slidably connected to the limiting post. A filter plate mounting seat is fixed to the side wall of the slider away from the limiting post. The top of the filter plate mounting seat is fixed to the filter plate body, and a column is fixed through and fixed to the top of the filter plate body. A vertical rod is fixed to the inner wall of the middle liner via a horizontal plate. The top of the vertical rod penetrates the bottom of the column and extends into a cavity at the bottom of the column. A compression spring connects the inner edge of the top of the cavity and the outer edge of the top of the vertical rod. This utility model effectively solves the material blockage problem of traditional liners under low-load conditions, helping to improve the performance of related material conveying and processing equipment and reduce production and operating costs.

This invention discloses a solid material feeding device for a cooking machine, relating to the field of cooking machines. It includes a feeding box, which is a container with an opening at one end. A feeding assembly is installed inside the feeding box, including a feeding rack that can move along its length inside the feeding box, pushing the material inside the box to the opening end and feeding it into the cooking pan. Vertical cavities are formed on both sides of the feeding rack, each housing a vertical brush roller. A horizontal cavity is formed at the bottom of the feeding rack, housing a horizontal brush roller. This invention integrates the feeding rack with the cleaning structure, simultaneously feeding solid material and driving the vertical and horizontal brush rollers to rotate synchronously, thoroughly cleaning the side walls and bottom surface of the feeding box. This effectively solves the problem of material residue and avoids food safety hazards caused by accumulated dirt.

This utility model relates to the field of coking waste liquid filtration technology, including a housing, and further including: filter boxes, collection boxes, and discharge boxes. Multiple filter boxes are arranged inside the housing via a rotating mechanism. The rotating mechanism drives the multiple filter boxes to alternately filter the coking waste liquid. The collection box is located at the top of the housing via a reciprocating mechanism, which drives the collection box to reciprocate during the alternation of filter boxes. A discharge port is provided on one side of the housing, and the discharge box is connected to the discharge port. This invention addresses the problem that after prolonged use, impurities easily adhere to the surface of the filter plates, thus affecting the filter plate's permeability and reducing the initial filtration effect of the coking waste liquid.

The invention belongs to the technical field of waterway slip rings, and particularly relates to a waterway slip ring and a cooling liquid conveying method.The waterway slip ring comprises a water cooling cavity, a water inlet pipe and a water outlet pipe are arranged on one side of the water cooling cavity, connectors are arranged on the water inlet pipe and the water outlet pipe, and a rotating shaft is rotationally arranged in an inner cavity of the water cooling cavity; the rotating shaft is used for being connected with a rotating part of equipment and rotating along with the rotating part, a cooling water pipe is fixedly connected to one side of the rotating shaft, pipe openings in the two sides of the cooling water pipe are communicated with a water inlet and a water outlet in the rotating shaft respectively, and a mechanical sealing piece is arranged between the water cooling cavity and the rotating shaft. The regular automatic lubricating assembly is utilized to lubricate the bearing, the process of manually lubricating the bearing is omitted, convenience is achieved, and the situations that the oil injection amount is difficult to accurately control, so that excessive or insufficient lubrication is caused, grease leaks to pollute a water cavity, and an effective oil film cannot be formed are avoided; and the long-term stability and reliability of the working of the bearing are further ensured.

The invention discloses a high-transparency and high-barrier paper-based packaging material based on in-situ layered construction and a preparation method of the high-transparency and high-barrier paper-based packaging material, and belongs to the technical field of pulping, papermaking and paper-based functional materials. The method mainly comprises the following steps: 1, preparing carboxymethyl fibers; 2, preparing the TEMPO oxidized nano cellulose; 3, preparing raw paper of the high-transparency fiber supporting layer; 4, preparing a hydrogel precursor solution; 5, preparing a mixed coagulating bath; and 6, preparing the high-transparency and high-barrier paper-based packaging material. The invention provides a technical concept of'in-situ layered construction ', a high-transparency and high-strength fiber supporting layer is constructed through plant fibers, CM-fibers and TEMPO oxidized nanofibers, and the high-transparency and high-strength fiber supporting layer is prepared by utilizing the principles of ionic crosslinking and solvent exchange. A hydrogel optical interface layer for filling matrix pores and a compact surface barrier functional film layer are synchronously constructed on the surface of the fiber supporting layer, and finally the high-transparency and high-barrier paper-based packaging material constructed based on in-situ layering is prepared.

The utility model belongs to the domestic appliance technical field, especially a refrigerator structure containing display screen. A refrigerator structure containing display screen contains door body, it includes upper cover plate and lower bottom plate, the upper cover plate is buckled with lower bottom plate fixed, be equipped with display screen installation position and pass through line groove on the lower bottom plate, pass through the line shaft, the pass through line shaft is hollow tubulose, just the display screen installation position with pass through the line shaft sets up respectively at both ends of pass through line groove, the box, be equipped with the wire hole on the box, the wire hole with pass through the line shaft intercommunication, the lower bottom plate with the box are connected through pass through the line shaft rotation. Wire harness is worn into the box from the wire hole, then wire harness passes through in proper order from pass through the line shaft and pass through line groove, until enters display screen installation position. This structure can guarantee wire harness and pass and simple structure, low in cost.

The utility model relates to the field of semiconductor manufacturing and micro-nano processing, and discloses a micron-sized particle removal glue filtering device based on air pressure driving, which comprises an air pressure controller, a needle cylinder adapter tube, a glue tube and a needle type filter, the input end of the needle cylinder adapter tube is connected to the air pressure output end of the air pressure controller, and the output end of the needle cylinder adapter tube is connected to the input end of the glue tube; the needle type filter is connected to the output end of the glue hose; and the glue hose is filled with glue. According to the device, air pressure output is accurately controlled through the air pressure controller, and a stable and adjustable power source is provided for the whole filtering device. The pneumatic driving mode not only is quick in response, but also can adjust the air pressure according to needs, so that the accurate control of the flowing speed of the glue is realized, and the filtering efficiency is improved.

The utility model relates to the field of agricultural mulching films, and provides an anti-ultraviolet polylactic acid composite degradable agricultural mulching film mainly aiming at the problem of insufficient ultraviolet shielding effect of the existing polylactic acid-based agricultural mulching film, which is characterized by comprising a front packaging layer 1, an ultraviolet shielding layer 2 and a back packaging layer 3 which are sequentially stacked, the ultraviolet shielding layer 2 comprises a structural body formed by compounding polylactic acid and a nanoscale ultraviolet shielding material, and the nanoscale ultraviolet shielding material is of a micro-nano composite structure formed by uniformly mixing a nano sheet layer and a micron sheet layer in the ultraviolet shielding layer 2 and is arranged in a polylactic acid matrix in an oriented manner to form a brick mud structure. The mulching film can effectively reduce aging and degradation of the mulching film caused by ultraviolet radiation, can be effectively used for protecting root systems of crops from being damaged by the ultraviolet radiation, and can be expected to be used in the agricultural field, especially in the agricultural field particularly needing anti-ultraviolet shielding.

The invention relates to the technical field of sewage detection, and provides a sewage suspended particle concentration detection device which comprises a detector body, the detector body comprises a detection window, an anti-fouling shell, a transparent protection plate and a cleaning roller, the anti-fouling shell is installed on the detector body, the detection window is located in the anti-fouling shell, and the transparent protection plate is located in the anti-fouling shell. A light-transmitting opening allowing light to penetrate through is formed in the position, corresponding to the detection window, of the anti-fouling shell, the transparent protection plate is movably arranged in the anti-fouling shell so as to replace a working area located at the light-transmitting opening, and the transparent protection plate and the light-transmitting opening are in sealed sliding fit. The cleaning rollers are rotatably arranged in the antifouling shell to wipe the side, away from the detector body, of the transparent protection plate, the number of the cleaning rollers is two, and the two cleaning rollers are located on the two sides of the light transmitting opening. By means of the technical scheme, the problems that in the prior art, a detection device is immersed into sewage, a detection window is prone to being polluted, and the detection accuracy and efficiency are reduced are solved.