36results about How to "Improve absorptive capacity" patented technology

Disclosed is a comprehensive coordination control method of a wind-solar direct current micro-grid. The wind-solar direct current micro-grid comprises wind driven generator and alternating current (AC) / direct current (DC) / DC converters, photovoltaic array and DC / DC converters, a circuit interrupter, AC / DC load and DC / AC and DC / DC converters, a DC bus, a supercapacitor energy storage system and bi-directional DC / DC module, a storage battery energy storage system and bi-directional DC / DC module, a bi-directional AC / DC converter, a coordination controller, a control network for connecting the coordination controller and the converters and a communication network for connecting the coordination controller and a large power grid power scheduling center, and an operational mode of the wind-solar direct current micro-grid is divided into two categories of a grid-connected mode and an island mode. Stable operation of the wind-solar direct current micro-grid under the grid-connected mode and the island mode is achieved by comprehensively using power scheduling, load scheduling and energy storage device scheduling.

The invention provides a graded capturing plate for painting mist and an efficient dry-type painting mist capturing and filtering device. A plurality of graded capturing plates for painting mist are arranged in each capturing device, and comprise flow equalizing and oil paint intercepting subunits; filtering materials for intercepting small oil paint particles are arranged in cavities; the flow equalizing and oil paint intercepting subunits are connected and supported by a box body made of a hardboard material; each capturing device is taken as an independent box body, and is conveniently and singly replaced. The capturing and filtering device has the advantages that complete air flow equalizing is realized, through the scientific design of the structural forms of all layers, air can pass through intercepting layers and filtering layers uniformly and completely, oil paint particles in air are completely intercepted and captured at all stages, the whole capturing and filtering device forms a three-dimensional painting mist capturing structure, the painting mist capturing and absorbing capability is improved greatly, the consumption of the filtering material is reduced, water pollution is completely eliminated, pollution on air and soil is reduced, the energy consumption is reduced, energy is saved, environment is protected, and the production cost is reduced.

The invention belongs to the field of industrial equipment, and in particular relates to an acid gas self-purifying centrifugal fan for mine work, which includes a main body of the fan, an air inlet pipe is fixedly connected to the air inlet of the main body of the fan, and the side wall of the air inlet pipe runs through Embedded with multiple auxiliary cylinders, the two auxiliary cylinders on the same vertical line are provided with a ring made of the same cotton thread, and the left and right sides of the air inlet pipe are equipped with drive boxes, and the drive boxes are fixedly connected to the outside of the air inlet pipe The multiple cotton threads on the same side all run through the side wall of the drive box and are driven by the drive mechanism in the drive box. The drive mechanism includes a rotating shaft, one end of which is rotatably connected to the outer wall of the air inlet pipe, and is fixedly installed on the side wall of the drive box. The driving part is fixedly connected with the other end of the rotating shaft, the driving box is filled with alkaline solution, the side wall of the driving box is fixedly connected with a fixing plate, the fixing plate is provided with a tapered hole, and the cotton thread runs through the corresponding tapered hole. hole. The invention can efficiently and completely remove the acid gas in the air.

The invention relates to an ultrahigh basicity low aluminum fluorine-free refining slag and a preparation method and a use method thereof, belonging to the technical field of steelmaking and refining.The refining slag comprises the following chemical compositions by weight percent: 85-95% of CaO, 2-10% of B2O3, 2-10% of MgO, 1-10% of Al2O3 and less than 5% impurities, wherein the content of harmful impurities such as sulfur, phosphorus and the like is as low as possible. The refining slag is prepared by using industrial reagents, namely active lime, boron anhydride, magnesia and aluminium ashto prepare, premelting at 1350-1450 DEG C, cooling, crushing to 2-10mm and performing moisture proof packaging. The slag series can be used for the refining and slag forming of LF, RH and CAS and therefining slag is added in steel ladle in the process of argon blowing after the molten steel preliminary deoxidation and the reduction treatment of the residue of steel ladle. The refining slag of the invention has strong desulphurizing and dephosphorizing abilities and no pollution, the slag inclusion generated through absorption and deoxidation has higher ability, the deoxidation effect of steel is improved, the spreadability is good, the suction and oxidation of the molten steel are reduced, the refining devices do not adhere to slag, the preparation process is simple, and the product is easy to store and use.

The invention discloses a bridge seamless telescopic device and a construction method of the device. The bridge seamless telescopic device comprises a main beam span telescopic device and a bridge abutment telescopic device, wherein the main beam span telescopic device comprises a first prefabricated telescopic component and a first telescopic joint filler filling layer; the bridge abutment telescopic device comprises a second prefabricated telescopic component and a second telescopic joint filler filling layer; the first prefabricated telescopic component and the second prefabricated telescopic component are formed by reinforced joint-crossing plates and wave-shaped telescopic plates. A construction method of a telescopic device to be repaired comprises the following steps: cleaning an original bridge telescopic device, constructing a preserved mounting slot, constructing a sliding layer, assembling and mounting prefabricated telescopic components, and constructing telescopic joint filler filling layers. A construction method of a telescopic device to be constructed comprises the following steps: prefabricating and processing prefabricated telescopic components, assembling the prefabricated telescopic components on site, constructing a sliding layer, mounting prefabricated telescopic components, paving a structure and constructing telescopic joint filler filling layers. The bridge seamless telescopic device is reasonable in design, convenient to construct and high in using effect, and can be used for solving various problems of the existing telescopic device.

The invention discloses a corrugated steel plate built-in seamless expansion device between a girder and a bridge abutment and a construction method of the seamless expansion device. The expansion device comprises prefabricated steel plate elements distributed on a bridge abutment expansion joint and expansion joint filler packing layer filled above the prefabricated steel plate elements; the prefabricated steel plate elements comprise straight steel plates, corrugated steel plates and a plurality of arched reinforcing steel bars; a plurality of shear pins are fixed on the corrugated steel plates; a sliding layer is paved on the girder exposed section; the construction method of the to-be-repaired expansion device comprises the following steps: cleaning the original bridge expansion device, constructing preserved mounting grooves, constructing the girder sliding layer, assembling the prefabricated steel plate elements in the field, and mounting and constructing the expansion joint filler packing layer; the construction method of the to-be-constructed expansion device comprises the following steps: prefabricating and processing the prefabricated steel plate elements, assembling the prefabricated steel plate elements in the field, constructing the girder sliding layer, mounting the prefabricated steel plate elements, and constructing the bridge deck pavement structure and the expansion joint filler packing layer. The corrugated steel plate built-in seamless expansion device disclosed by the invention is reasonable in design, convenient to construct, and good in use effect, and can solve a plurality of problems in the existing expansion device.

The invention discloses a healthcare sanitary towel containing a borneol flake. The healthcare sanitary towel comprises an absorption layer, an upper surface layer, a lower surface layer and the borneol flake, wherein the upper surface layer and the lower surface layer are respectively arranged on the upper side and the lower side of the absorption layer; the borneol flake is arranged between the upper surface layer and the absorption layer. The healthcare sanitary towel is characterized in that the borneol flake comprises a hydrophilic bottom layer with a concave structure or a convex structure and moxa covering the hydrophilic bottom layer. According to the healthcare sanitary towel containing the borneol flake, disclosed by the invention, not only is the absorption effect of the sanitary towel on menses effectively ensured, but also the moxa efficacy is facilitated.

The invention discloses an abutment hidden expansion device and a construction method thereof. The expansion device comprises a prefabricated expansion component arranged on an abutment expansion joint, and an expansion joint filler filling layer filled in the upper side of the prefabricated expansion component, wherein a bridge deck pavement structure is paved on a main beam; a slide layer is paved on an exposed section of the main beam; a road surface pavement layer is arranged at the outer side of the upper part of an abutment; the prefabricated expansion component comprises a reinforced joint plate and a waveform expansion plate; a construction method of an expansion device to be repaired comprises the steps of cleaning of an original bridge expansion device, construction of a reversed mounting groove, construction of the slide layer, field assembly and installation of the prefabricated expansion component and construction of the expansion joint filler filling layer; and a construction method of an expansion device to be constructed comprises the steps of prefabrication of the prefabricated expansion component, field assembly of the prefabricated expansion component, construction of the slide layer, installation of the prefabricated expansion component and construction of the bridge deck pavement structure and the expansion joint filler filling layer. The abutment hidden expansion device and the construction method thereof have the advantages of reasonable design, convenience for construction and good use effect, and can solve multiple problems in traditional expansion devices.