10results about How to "Solve deposition" patented technology

The invention relates to the technical field of water pumps, and provides an internal anti-deposition centrifugal water pump which comprises a supporting seat, a bearing seat, a front pump shell and a rear pump shell are arranged on the supporting seat, the front pump shell and the rear pump shell are fixedly connected together, a front protection plate is arranged on the inner wall of the front pump shell, a rear protection plate is arranged on the inner wall of the rear pump shell, and an impeller is rotationally connected to the rear protection plate; the pump further comprises a protection water injection assembly and a liquid inlet pipeline, the protection water injection assembly is arranged between the front protection plate and the rear protection plate, the liquid inlet pipeline is communicated between the front pump shell and the front protection plate, the liquid inlet pipeline is communicated with the impeller, and a bendable conveying pipeline is communicated with the liquid inlet pipeline. By means of the technical scheme, the problem that in the using process of a centrifugal water pump in the prior art, due to the fact that solid-liquid proportions in solid-liquid mixed liquid conveyed in the previous procedure are different, residues are prone to being deposited in the centrifugal water pump is solved.

The invention provides a method for preparing a CGC ligand, which comprises the following steps: mixing tetra-substituted cyclopentadiene and n-butyllithium under a mechanical vibration condition, carrying out lithiation reaction under an ultrasonic condition, and then carrying out silicification reaction with a disubstituted dichlorosilane solution, the preparation method comprises the following steps: preparing a silicification product into a tetrahydrofuran solution of the silicification product by using tetrahydrofuran, mixing primary amine and n-butyllithium under a mechanical vibration condition, carrying out lithiation reaction under an ultrasonic condition, carrying out amination reaction on an obtained lithiation reaction solution and the prepared tetrahydrofuran solution of the silicification product, and carrying out post-treatment on the obtained amination reaction solution to obtain the CGC ligand. According to the method for preparing the CGC ligand, the CGC ligand is continuously prepared by coupling the ultrasonic microreactor with local mechanical vibration, the danger coefficient is low, the reaction efficiency is high, the cost is saved, the period is short, and meanwhile, the problem that an organic lithium intermediate generated by lithiation reaction is deposited in the microreactor is solved.

The application discloses an AnDMBR dynamic membrane assembly for sludge anaerobic digestion, which comprises a sealed membrane frame, a plurality of flat plate membranes and a plurality of detachable aeration pipes; the sealed membrane frame is used for bearing various components of the AnDMBR dynamic membrane assembly and is in the shape of a cuboid composed of a stainless steel grid; the plurality of flat plate membranes are arranged in parallel and equidistantly in the sealed membrane frame; a membrane water outlet is arranged above the flat plate membranes, and the height of the membrane water outlet is higher than the upper surface of the sealed membrane frame; the gap between the plurality of flat plate membranes is filled with conductive particles; the plurality of detachable aeration pipes utilize the circulating biogas from the air guide holes to form a cross flow on the surface of the flat plate membranes and disturb the conductive particles between the flat plate membranes. The application effectively solves the problem of flat plate membrane surface mud cake deposition caused by the operation of AnDMBR at high sludge concentration, prolongs the service life of the dynamic membrane assembly, and improves the anaerobic digestion performance of the reactor.

This utility model relates to a gas cooling and scrubbing tower, belonging to the field of gas purification technology. It includes a tower body, an air inlet, an air outlet, and a liquid outlet, located on the side, top, and bottom of the tower body, respectively. Between the air inlet and outlet within the tower body's internal cavity, a first spray device, a uniform flow water curtain layer, and a second spray device are sequentially arranged from bottom to top. The uniform flow water curtain layer includes a uniform flow water curtain baffle, and a water curtain regulating component is arranged above the baffle. This utility model utilizes the uniform flow water curtain baffle and the second spray device to repeatedly deflect, mix, cool, and scrub dust-laden gas, solving the problems of gas flow deviation, poor cooling and scrubbing effects in existing hollow cooling and scrubbing towers. It has the advantages of high scrubbing efficiency, low resistance, no clogging, simple structure, and easy maintenance.

A heating / cooling device includes a water storage tank and a pressure tank. The pressure tank includes a fixed part, a movable part, and a deformable part. The movable part is movably and sealingly connected to the inner wall of the water storage tank, thereby dividing the water storage tank into a first space and a second space that are not interconnected. The first space constitutes a water storage space. The fixed part and the deformable part are located in the second space, and the two ends of the deformable part are respectively connected to the fixed part and the movable part. The space enclosed by the fixed part, the movable part, and the deformable part constitutes a pressure space. Because the first space and the second space are not interconnected, direct contact between the deformable part and the water in the outlet space is avoided, solving the problem of scale deposition on the surface of the deformable part, ensuring that the deformable part structure will not fail, and making the product operate stably.

The utility model relates to a rotatable tubular aerator, which comprises an aeration pipe part, a tubular aerator part and a rotating part, the aeration pipe part comprises an aeration branch pipe, a regulating valve and a connecting pipe, the tubular aerator part consists of tubular aerators which are uniformly distributed and a middle disc, and the rotating part comprises a motor, a supporting cross beam and a rotating shaft. The aeration branch pipes are connected with the aeration main pipe through the regulating valves, the aeration air volume can be regulated by the regulating valves, and the plurality of L-shaped tubular aerators are uniformly distributed in a circular array; the rotating shaft is connected with the motor and the tubular aerator part, the supporting cross beam maintains the structural stability of the whole device, and the rotating shaft drives the middle disc and the tubular aerator to rotate. According to the utility model, the rotation of the tubular aerator is realized through the rotating shaft, so that the aeration efficiency can be improved, a strong mixing and stirring effect is formed in the whole aeration tank, activated sludge is kept in a suspended state all the time, and meanwhile, the bottom of the aeration tank is not deposited.

The utility model relates to the technical field of water source heat pumps, in particular to a novel water taking head of a water source heat pump, which comprises a bottom plate and a top plate, a first flow guide side plate and a second flow guide side plate are arranged between the bottom plate and the top plate, the first flow guide side plate and the second flow guide side plate are symmetrically arranged, and a front baffle and a rear baffle are fixedly connected between the first flow guide side plate and the second flow guide side plate. The bottom plate, the first flow guide side plate, the second flow guide side plate, the front baffle, the rear baffle and the top plate jointly form a cavity, two first openings are formed in the front baffle, a second opening is formed in the rear baffle, and a pipe body is arranged on the front baffle. The overall modular design is convenient to install and maintain, the anti-blocking and desilting capacity of the water taking head in the complex water environment can be effectively improved, the operation efficiency is improved, the maintenance cost is reduced, and high practicability and popularization value are achieved.

The utility model discloses a lower drive washing device for dynamically regulating and controlling waste incineration fly ash, which dynamically regulates and controls the feeding mode, the feeding proportion and the stirring time of fly ash and water through the linkage among a metering system, a liquid level controller, a density tester and a stirring driving system, effectively improves the dissolving efficiency of the fly ash, avoids the problem that the fly ash is caked and is difficult to dissolve, and improves the quality of the fly ash. Meanwhile, the water-cement ratio in the washing process is optimized. The problems of fly ash particle deposition and direct discharge due to incomplete washing are solved through the combined design of lower drive stirring washing, the rotary scraper and the filter sieve plate, and the fly ash washing efficiency is improved.

The utility model provides a kind of burdening tank for modified PP plastic production, it include: burdening tank and stirring mechanism, wherein, stirring mechanism includes motor, connecting column, spiral blade, thick blade and protective shell, wherein, motor is arranged on the outer wall of burdening tank, connecting column is arranged on the outer wall of motor, spiral blade is arranged on the outer wall of connecting column, thick blade is arranged on the outer wall of connecting column, protective shell is arranged on the outer wall of thick blade.The utility model embodiment of a kind of burdening tank for modified PP plastic production, through the design of stirring mechanism, the efficient mixing of modified PP plastic raw materials is realized, connecting column is rotated by motor drive, and then drive spiral blade and thick blade rotation, the raw materials in burdening tank are fully stirred.

The present invention provides a method for preparing a biomass solar evaporator modified with bacterial cellulose, which uses a luffa with hydrophilicity and a three-dimensional pore structure as a substrate, forms bacterial cellulose inside and outside the luffa by a dynamic culture method, and loads a photothermal material in the bacterial cellulose to obtain a biomass solar evaporator with high photothermal conversion efficiency, high water transport and evaporation efficiency, stable evaporation performance, good surface salt rejection performance, and biodegradable. In the above technical scheme, by loading the photothermal material in the process of growing and forming bacterial cellulose on the luffa, the photothermal material is evenly distributed in the evaporator, and the photothermal material can be ensured to be stably combined with the substrate, so that the evaporation performance of the evaporator is more stable; secondly, the pore structure of the luffa provides a fast channel for water replenishment, improves the water supply capacity, thereby effectively solving the problem of salt deposition on the surface of the photothermal material, and further improves the evaporation performance of the evaporator.