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79results about How to "Easy grafting" patented technology

Fly ash synthesized cement and production method thereof

The invention discloses a fly ash synthesized cement and a production method thereof. The cement is composed of the following components in percentage by weight: 50% to 90% of fly ash with a carbon content more than 5%, 5 to 40% of calcareous raw material, 1.5 to 10% of initiator, 1.5 to 10% of promoter, and 2 to 10% of corrector. The fly ash synthesized cement has the following advantages: (1) the discharge of sulfur dioxide is zero during the whole production process; (2) the production cost is reduced; (3) the cement strength is improved; (4) the residual carbon and combustible components in the raw materials can be burned; (5) the fuel cost can be saved, and the technology process is enhanced; (6) the residual carbon is taken as the fuel, thus the energy is saved, the cost is reduced, the environmental pollution is reduced, and the environment is protected; (7) the goals of decarbonization and dehydration can be achieved by burning, and moreover the adaptability of the production equipment on raw materials is improved; (8) in the milling procedure, the technology and equipment are identical with the present conventional cement clinker miller, and thus the modification and application of the technology and equipment are easy for the cement entrepreneurs; and (9) the sources of the raw materials and auxiliary materials are wide, the supply is sufficient in the market, and the selected equipment is matured and reliable and has strong universality.
Owner:成浩 +1

Automatic slag removal structure of biomass particle fireplace

The invention provides an automatic slag removal structure of a biomass particle fireplace. The automatic slag removal structure comprises a combustion pool, a slag removal ventilation device and a power mechanism, wherein a plurality of rows of groove-shaped air vents are formed in the bottom of the combustion pool; the slag removal ventilation device comprises a rotary shaft as well as slag removal tooth sheets and ventilation tooth sheets which are installed on the rotary shaft at intervals, and retaining rings are arranged between the slag removal tooth sheets and the ventilation tooth sheets in a cushioning manner so that the slag removal tooth sheets and the ventilation tooth sheets are inserted in the groove-shaped air vents at intervals and in a staggered manner; a speed reduction motor drives the rotary shaft to carry out reciprocating swing motion through a crank-link mechanism; and included angles are arranged between the slag removal tooth sheets and the ventilation tooth sheets in a manner of corresponding to the groove-shaped air vents, and the swing range of the slag removal tooth sheets and the swing range of the ventilation tooth sheets cover the length of the whole groove-shaped air vents during a swing process. The speed reduction motor drives the rotary shaft to rotate to drive the slag removal tooth sheets to swing, slags are crushed and discharged from the groove-shaped air vents, the groove-shaped air vents are dredged, and the ventilation tooth sheets are mainly used for dredging the groove-shaped air vents which the slag removal tooth sheets cannot arrive at, so that the purposes of slag removal and ventilation in a combustion chamber are achieved.
Owner:HENAN SHENHOU IND CO LTD

Multi-layered grafted tree and grafting method

PendingCN106069222ALightly injuredSmall woundGraftingRootstockEconomic benefits
The invention relates to a grafted tree, in particular to a multi-layered grafted tree which is grafted in the current year and harvested next year and a grafting method. At present, walnut grafting is a traditional grafting method, grafting methods in the prior art are low in survival rate, grafting cuts are difficult to heal, overwintering is difficult, and economic benefits cannot be generated in time. The tree comprises a stock and multiple layers of scions grafted on the stock, and a grafting vertical groove is formed by stripping bark on the grafting portion of each layer on the stock; the lower half portions of the scions are cut to form long inclined faces, the backs of the long inclined faces at the lower ends of the scions are short inclined faces, and vertical faces are formed by stripping old bark from the upper ends of the short inclined faces and the long inclined faces; the long inclined faces, the short inclined faces and the vertical faces are inserted into the grafting vertical grooves of the stock. Grafting is easy and convenient to operate, the stock is slightly damaged, multi-layer grafting is achieved, and fruiting portions are increased. Healing is easy, the survival rate is as high as 90% or above, the tree can not be blown down by sand wind, the tree can safely overwinter 100%, and after-grafting fruiting is early and the yield is high.
Owner:和田丰收农业科技开发有限公司

High-efficient particle ammonium sulfate and preparation method thereof

The invention provides high-efficient particle ammonium sulfate, which is prepared from the following raw materials in parts by weight: 80 to 90 parts of ammonium sulfate, 1.5 to 2.5 parts of sulfuric acid, 2 to 3 parts of urea, 1.5 to 2.5 parts of ammonium bicarbonate, 1.5 to 3 parts of anhydrite, and 0.5 to 1 part of water. The high-efficient particle ammonium sulfate provided by the invention has the following beneficial effects that the quality is high, the process conditions are simple, the production process is easy to control, various indexes of produced ammonium sulfate particles conform to the GB535-1995 standard, the granulation rate is improved from 70 percent to 90 percent, and a product has smooth particle appearance, the particle strength is larger than 25N, the particle size is ranged from 1.00 to 4.75mm, and the sulphur content is stabilized to be 24 percent or above; the cost is low, the raw materials used by the invention are waste sulfuric acid, byproduct anhydrite and other industrial byproducts so as to be cheap, the production cost is low, wastes can be turned into wealth, and the resource reuse is realized; in addition, during pelleting, reaction heat of complex acid and heat of a hot return product are utilized to enter a pelletizer, so that the steam required for pelleting is saved, and the energy consumption is saved.
Owner:乔奖峰

Preparation method of phosphorus-nitrogen co-doped biomass base porous carbon material for hexavalent chromium adsorption

A preparation method of a phosphorus-nitrogen co-doped biomass base porous carbon material for hexavalent chromium adsorption includes the steps: premixing plant source biomass with phosphoric acid inproportion, stirring mixture in a 75-85 DEG C oil bath pan for 2 hours, increasing temperature to 130-150 DEG C, transferring the mixture into a muffle furnace, leading in nitrogen, carbonizing the mixture at the temperature of 450-550 DEG C for 2 hours and then cooling the mixture to room temperature; sufficiently washing the mixture by deionized water and drying the mixture at the temperature of 80 DEG C for 12-24 hours to obtain a miscellaneous phosphorus-carbon precursor; mixing the precursor and polyethyleneimine according to the mass volume ratio of 1kg:0.5-5L, placing the mixture intoa shaker at the temperature of 30 DEG C at 160rpm, vibrating the mixture for 24 hours, adding glutaraldehyde solution with the mass concentration of 0.1-1%, vibrating the mixture for 30 minutes, washing the mixture by the deionized water and drying the mixture at the temperature of 80 DEG C for 12-24 hours. The material has a hierarchical porous structure and rich nitrogen-containing phosphorus-containing functional groups, is large in hexavalent chromium adsorption quantity, wide in raw material source and low in cost, the preparation method is environmentally friendly, reaction conditions are mild, and industrial production is easily realized.
Owner:NANCHANG UNIV

Interspecific cross breeding method for cucurbit (melon rootstock)

The invention belongs to the technical field of breeding of cucurbitaceae vegetable. An interspecific hybrid F1 (Yong rootstock No. 6) of cucurbit (a melon rootstock) is obtained by hybridizing a female parent of a stable inbred line J03-2-3-2-1-5-7-4 by multi-generation of directed autocopuation screening of cucurbit materials originated from Japan and a male parent of a stable inbred line YH2-3-3-2-1-4-2-6 by multi-generation of directed autocopuation screening of local Lagenaria species produced in Ningbo. The melon rootstock selectively bred with the method provided in the invention meets objectives of breeding and has moderate growth potential, high resistance to die-back and root rot, well-developed roots, strong stalks, strong ability in absorbing nutrient, low degree of vain growth and robust hypocotyls which are not easy to become hollow, and therefore the melon rootstock is favorable for grafting. The melon rootstock has good grafting affinity and strong symbiosis affinity, and a survival rate over 95% is obtained for the grafting of the rootstock onto the watermelon specie ''Zaojia'' (8424). The engrafted melon rootstock is low temperature-resistant, moisture-resistant and barren-resistant; after field planting, the root and overground part of a grafted seedling grows fast and has sound growth potential, and the period of first harvest of the grafted seedling is 5 days earlier than that of a self-rooted seedling, the fruition rate is high and stable, weight of single fruit and fruit shape can substantially maintain the same, melon skin is not thickened, sugar degree of the grafted seedling is higher than that of the self-rooted seedling, sugar degree gradient is small, quality of the watermelon is not affected, and good adaptability is obtained.
Owner:NINGBO ACAD OF AGRI SCI

Method for preparing modified biochar

The invention provides a method for preparing modified biochar. The method comprises the following steps: step 1, preparation of rice husk charcoal: cleaning and drying rice husks, performing heating and pyrolyzing in an air-isolated manner, performing cooling, and performing grinding and sieving; step 2, pretreatment of the rice husk charcoal: soaking the rice husk charcoal in the step 1 with acid, alkali and ethanol respectively in sequence, then washing the rice husk charcoal to be neutral, and drying the rice husk charcoal; step 3, preparation of silane-modified rice husk charcoal: adding the rice husk carbon prepared in the step 2 into modifiers of aminopropyltriethoxysilane, water and absolute ethyl alcohol in proportion, performing stirring and mixing uniformly, performing sealing, and taking out sealed product after reaction; and step 4, washing the silane-based modified rice husk charcoal prepared in the step 3 to be neutral, carrying out vacuum filtration, washing filter residues, performing grinding and sieving to obtain the silane-based modified rice husk charcoal. The rice husk charcoal is modified by adopting aminopropyltriethoxysilane, so that the adsorption capacity and the adsorption stability of the rice husk charcoal to zinc are enhanced, and help is provided for treatment of heavy metal wastewater and resource utilization of the rice husk charcoal.
Owner:NANJING AGRICULTURAL UNIVERSITY

Preparation method and activating reactor for granular potassium-containing humic acid urea

The invention relates to a preparation method and an activating reactor for granular potassium-containing humic acid urea. The preparation method comprises the steps that granular urea, weathered coal or lignite, and a catalyst perform an activating reaction in the activating reactor; then potassium chloride or potassium sulfate is added simultaneously; and cooling, grinding and granulation are performed, so that a granular potassium-containing humic acid urea fertilizer is prepared. A heat transfer jacket is arranged between an inner tank and an outer tank of the activating reactor; three agitating shafts are arranged in the tank body; an interlayer is arranged on the side wall of each agitating shaft; each helical blade adopts a hollow structure inside; and the heat transfer jacket, the heat transfer interlayers and the hollow structures of the helical blades are all filled with heat transfer fluid. According to the preparation method and the activating reactor, the heating temperature is uniform and stable, the activating reaction time is short, continuous reaction can be achieved, the reaction is sufficient and the activation is thorough, the reaction time for the whole production process is saved, urea is not needed to grind or melt, and energy consumption is reduced greatly.
Owner:INST OF AGRI RESOURCES & ENVIRONMENT SHANDONG ACADEMY OF AGRI SCI +1

Bus and bus assembly for electric transmission

The invention relates to a bus and a bus assembly for electric transmission. The bus for electric transmission comprises two copper plates, two aluminum casting plates and an aluminum bus bar, wherein the two copper plates are respectively positioned at the left side and the right side of the aluminum bus bar; when the aluminum casting plates are molded in a press casting way, one end of a plate body of each copper plate and one end of the aluminum bus bar are used as inserts for being coated in the aluminum casting plates; and both the exposing sides of the two copper plates are provided with bolt holes. The bus assembly for electric transmission comprises four to five buses, a square pipe, two insulating installation blocks and other fittings, wherein the four to five buses are vertically arranged along the left direction and the right direction; and rectangular holes matched with the left end and the right end of the buses are arranged in the two insulating installation blocks, respectively sleeved at both ends of the buses and inserted into the left end and the right end of the square pipe. The product has good conducting performance, high reliability and long service life and can form an electric line for transmitting low-voltage heavy current at a long distance.
Owner:晏新海

A kind of solar greenhouse watermelon cultivation method

The invention provides a solar greenhouse watermelon cultivating method. The solar greenhouse watermelon cultivating method comprises the following steps of (1) selecting a watermelon variety, wherein the watermelon variety suitable for solar greenhouse cultivation is selected; (2) selecting a rootstock variety, wherein the rootstock variety strong in grafting compatibility with the watermelon variety is selected; (3) carrying out land preparation, ridging, drip irrigation hose laying and film mulching; (4) preparing seedling cultivation media, and selecting seedling cultivation containers; (5) carrying out pretreatment on watermelon seeds and rootstock seeds, the seeds are sowed in the containers containing the seedling cultivation media after the seed germination and then are put in the solar greenhouse to be cultivated; (6) carrying out grafting when the watermelon rootstocks grow to be with one leaf and one core and when the leaves of watermelon seedlings are flattened; (7) carrying out field planting when the ground temperature under 10cm is stabilized at higher than 15 DEG C; (8) carrying out field management and harvesting. Through the application of the solar greenhouse watermelon cultivating method, the purposes of producing and supplying water melons in out-of-seasons and prolonging the production industry chain of watermelons can be achieved, the economic benefit is improved and ensured, and the yield and the quality of the watermelons are improved and ensured.
Owner:XINJIANG PRODION & CONSTR CORPS NO 6 DIV AGRI SCI INST
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