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187results about How to "Promotes thorough mixing" patented technology

Low-ratio biomass circulating fluidized bed boiler and combustion method thereof

The invention relates to a low-ratio biomass circulating fluidized bed boiler and a combustion method thereof, relating to a circulating fluidized bed boiler and a combustion method thereof and solving the problems of difficult feeding, grate slagging, bed material coking, tempering and output reduction, and the like existing in the operation of traditional grate furnaces and circulating fluidized bed boilers. A middle air chamber corresponds to the middle of a dense-phase area at the lower part, lateral grid plates are arranged between a lateral air chamber and the dense-phase area at the lower part, and a medium-temperature steam-cooled cyclone separator is arranged at the joint between a flue shaft at the tail part and a health outlet of a boiler body, respectively communicated with the flue shaft and the health outlet and communicated with the dense-phase area at the lower part through a material returner. The method adopts a negative-pressure feeding manner so that the fluidization air velocity of a high-speed area of the dense-phase area at the lower part is 4-5 m/s, the fluidization air velocity of a low-speed area is 1.5-2.0 m/s, the temperature of the dense-phase area at the lower part is 650-780 DEG C, and the material circulation ratio is below 10. The invention is suitable for the biomass circulating fluidized bed boiler for an electric power plant.
Owner:湖南博茂节能环保科技有限公司

Novel filtering and concentrating device and main reaction kettle device

The invention discloses a novel filtering and concentrating device and a main reaction kettle device. The novel filtering and concentrating device comprises a cylinder body A, a cylinder body B, a gear motor A, a gear motor B, a stirring paddle A and a stirring paddle B, and further comprises a drain valve A, a drain valve B, a final concentrated product outlet A and a final concentrated product outlet B, wherein the gear motor A and the gear motor B are arranged at the top ends of the cylinder body A and the cylinder body B, the stirring paddle A and the stirring paddle B are arranged in theinner parts of the cylinder body A and the cylinder body B, the drain valve A and the drain valve B are arranged at the bottom ends of the cylinder body A and the cylinder body B; a nitrogen inlet, aregenerated liquid inlet and a spraying water inlet are arranged at the top end of the cylinder body A, an annular filter element is arranged on the inner wall of the cylinder body A, a back flushingport and a clear liquid outlet connected with the bottom part of the filter element and a filtered concentrated liquid outlet connected with a main reaction kettle are arranged on the side wall of thecylinder body A, a raw material feed port is arranged at the top end of the cylinder body B, an overflow port is arranged on the side wall of the cylinder body B and communicates with a middle tank,and the middle tank communicates with the top part of the filtering and concentrating device. The structure design of the novel filtering and concentrating device is more advanced and more reasonable,the mounting, dismounting and maintaining are simple and convenient, the problems of layering, shaking, sealing and the like of material liquid are effectively solved, and the filtering fineness is higher.
Owner:SICHUAN SIDANENG ENVIRONMENTAL PROTECTION TECH CO LTD

Spraying device for plant protection

The invention belongs to the field of agriculture, and particularly relates to a spraying device for plant protection. In order to solve the problems that existing liquid medicine is mixed unevenly and the spraying height is not convenient to adjust, the device comprises a base, universal wheels are installed at the bottom of the base, a handrail, a water tank, a pump machine and a stand column are arranged at the top of the base, a water inlet pipe, a motor, a rotating shaft and stirring blades are arranged on the water tank, a first sliding groove, a guide rail, a first threaded rod and a first movable block are arranged in the stand column, a movable column is slidably connected to the guide rail, a second sliding groove is formed in the movable column, a second threaded rod and a second movable block are arranged inside the second sliding groove, a hose is connected to the water outlet end of the pump machine, a connecting pipe is connected to the other end of the hose, a first connecting rod is hinged between the connecting pipe and the movable column, and a second connecting rod is hinged between the second movable block and a connecting pipe. Liquid medicine can be sufficiently mixed, the spraying height and angle are convenient to adjust, the working efficiency is effectively improved, and the labor intensity of workers is lowered.
Owner:郑州浩普信息技术有限公司

Spray seeding matrix for regreening of bare side slope adapted to soil in arid and semi-arid zones and preparation method of spray seeding matrix

The invention relates to the technical field of environment protection and greening of side slopes, and provides a spray seedling matrix for regreening of bare side slope adapted to soil in arid and semi-arid zones and a preparation method of the spray seeding matrix. The spray seedling matrix provided by the invention is prepared from the following raw materials in parts by weight: 25 to 40 parts of composted organic wastes, 30 to 40 parts of side slope loess, 5 to 15 parts of kaolin, 0.5-0.8 part of potassium fulvate, 5 to 15 parts of bentonite clay, 3 to 4 parts of flour sticky glue and 5 to 10 parts of plant fibers. According to the spray seedling matrix, intensive aboveground parts and developed root systems of plants can be quickly formed on the long-term arid and bare side slope, regreening of the side slope can be effectively carried out, the soil is consolidated, and surface runoff and soil washing can be prevented and controlled. The preparation method provided by the invention comprises the steps of mixing the composted organic wastes, the side slope loess, the kaolin, the potassium fulvate and the bentonite clay and pulverizing into particles; then mixing the particles with the plant fibers to obtain a mixture; successively, adding water and stirring the mixture to form a viscous state; then mixing the viscous product with the flour sticky glue. The preparation method has the advantages of simple technology, strong operability and benefit to industrial production.
Owner:LANZHOU UNIVERSITY

3D asymmetric division and combination structure passive type micromixer

The invention relates to a 3D asymmetric division and combination structure passive type micromixer. According to the 3D asymmetric division and combination structure passive type micromixer, an uppermatrix and a lower matrix are combined firmly; a matrix is provided with a runner through etching; the runner comprises an inlet runner, circular mixing units, an outlet runner, and a straight runner; each circular mixing unit is composed of a large circular runner, a small circular runner, and a straight runner unit; the circular mixing units are arranged between the straight runner and the outlet runner in series; the straight runner and the outlet runner are arranged to be collinear; the annular mixing units are arranged along the axis direction at equal intervals; liquid is introduced into the runner through a runner inlet, separation of mixed flow is induced because of interface abrupt change in entering into the circular mixing units, a part fluid enters into a circular runner, andlaminar flow diffusion states are maintained, and another part fluid flows along the vertical direction, secondary flow and eddy generation, and flow line disturbance are caused because of the abruptreduction of the width when the fluid enters into the circular runner, in fluid separation and combination, collision and extrusion of the two fluid parts are caused because of the convection, so thatfull contact of the two fluid parts is realized.
Owner:ZHEJIANG UNIV OF TECH
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