57results about How to "Easy to transport over long distances" patented technology

The invention discloses a biomass continuous pyrogenation carbonizing apparatus provided with a flexible screw conveying appliance, which comprises a motor (1), a coupling (3), bearings (4), a flexible screw spring (6), a pyrolysis tube (11), a feed inlet (5), a carbon discharging outlet (12) and a heating device; one end of the pyrolysis tube (11) is provided with the feed inlet (5) communicatedwith the inner cavity of the pyrolysis tube (11), and the other end is provided with the carbon discharging outlet (12) communicated with the inner cavity thereof; the inner cavity of the pyrolysis tube (11) is inserted with the flexible screw spring (6) along the axial direction; one end of the flexible screw spring (6) is connected with the output shaft of the motor (1) through the first bearing (4) and the coupling (3), and the other end is supported on the second bearing (4); and the outer side of the pyrolysis tube (11) is provided with the heating device for heating the pyrolysis tube (11). The biomass continuous pyrogenation carbonizing apparatus is easily suitable for long-distance convey and has simple structure.

The invention discloses a production process of high-efficiency and high-concentration polyaluminum ferric chloride sulfate. The production process comprises the following steps: under a condition ofnot adding a large amount of technological equipment and other raw materials, extracting aluminum and ferric ions from ferric trihydrate alumina mineral powder by a sulfuric acid and hydrochloric aciddi-acid dissolving mode, performing polymerization reaction with calcium aluminate powder, and generating the high-efficiency and high-concentration liquid polymerized di-acid ferro-aluminum througha negative pressure synergic concentration process to replace a conventional solid product. The process is simple, practical and easy to operate; the water purification effect of the prepared high-efficiency and high-concentration liquid polymerized di-acid ferro-aluminum and the water purification effect of the conventional solid product is about 1 to 1; and the equipment investment is low, the cost performance of the raw materials is high, the production cost is greatly reduced, and the production process is suitable for industrial production.

The invention relates to a self-propelled combine corn harvester for harvesting spike or seed, collecting straws and juicing, belongs to the field of agricultural machinery, and achieves large-scale harvesting of useful substance of complete stools of ripe corn to automatically obtain three products, namely corn, straw juice and straw residue separately. The self-propelled combine corn harvester includes four types, namely two types of integral combine harvesters and two types of split combine harvesters. The self-propelled combine corn harvester mainly used for acquiring fleeting syrup in fresh corn straws, and accordingly recycling, efficient and comprehensive utilization of complete corn stools is achieved, high-quality and cheap raw materials are provided for industrial syrup, feed, fuel and the like, optimal replacement (industrial syrup) of petroleum is provided, and a brand new approach for reducing corn saccharification consumption is provided.

The invention relates to an acoustic frequency detector and an acoustic frequency detecting system with a multi-mode coupler. The acoustic frequency detector comprises a multi-mode optical fiber coupler, an aluminum film and a metal block, the diameter of the circular aluminum film ranges from 30mm to 40mm, the thickness of the circular aluminum film ranges from 2.5 micrometers to 3.5 micrometers, the periphery of the circular aluminum film is flatly adhered on the metal block, two ends of the multi-mode optical fiber coupler are fixed, a middle coupling region of the multi-mode optical fiber coupler naturally droops to be in contact with the aluminum film, and the length of the middle coupling region ranges from 5mm to 10mm. The acoustic frequency detecting system with the multi-mode coupler comprises the acoustic frequency detector, an acoustic frequency signal generator, a loudspeaker, a wide-spectrum light source, a 1X2 optical fiber coupler, a high-speed photovoltaic conversion module and a frequency spectrum analyzer. Compared with the traditional acoustic frequency detector and the traditional acoustic frequency detecting system which are implemented in a capacitance detecting method, the acoustic frequency detector and the acoustic frequency detecting system have the advantages of high interference resistance and easiness in long-distance transmission owing to an optical fiber acoustic sensing mode.

The invention relates to the technical field of magnesium sulfate, in particular to a cloth bag dust removal type powdery magnesium sulfate long-distance conveying device. The conveying device comprises a conveying frame and a conveying mechanism on the conveying frame. The conveying frame at least comprises a fixing frame and electric telescoping legs. Two belt rollers are arranged in the fixingframe in a rotating manner. Conveying belt trays are arranged on the end portions of the belt rollers. A conveying belt is arranged between the two conveying belt trays. The end portion of one conveying belt tray is connected with an output shaft of a conveying motor. A conveyer belt is arranged between the outer walls of the two belt rollers. The end portions of piston rods of the two electric telescoping legs are fixedly arranged on the bottoms, close to the two ends, of the fixing frame correspondingly. The conveying mechanism at least comprises a moving frame. The top of the moving frame is fixedly arranged on the outer wall of the conveyer belt. A groove is formed in the surface of the moving frame. A screw rod is arranged in the groove in a rotating manner. According to the conveyingdevice, powdery magnesium sulfate can be conveyed in a long distance, contamination to the belt trays is avoided, and cloth bag dust removing can be carried out for air.

The invention relates to a touch powdery coating and a preparation method thereof, relates to a powdery coating, and in particular, relates to the touch powdery coating and the preparation method thereof. The invention provides the touch powdery coating with low cost, easy long-distance transportation, simple operation, time saving, high efficiency, high utilization rate and no organic matter volatilization VOC, and a preparation method thereof. The touch powdery coating includes the following components in parts by weight: 60-90 parts of polyester resin, 4-10 parts of a curing agent, 0-20 parts of a whitening agent, 0.5-1 part of a leveling agent, 0.6-1 part of a degassing agent, 0.5-1 part of an accelerator, 5-35 parts of a filler, and 2-10 parts of a pigment. The special production technology is not needed to adopt, and the product can be prepared only from multiple raw materials through a conventional production and manufacturing processes. Because the finished product is powder, the finished product is easy to pack and transport for a long distance, and is long in storage time.

The invention discloses a seedling growing method for hybrid ramie seeds through plug shallow earthing. Land parcels which have a flat terrain and loose soil are selected as seedbed land, diseases andpests, grass seeds and the like in soil are killed by means of high temperature, ultraviolet lamp irradiation and other methods, the soil quality is improved, the influence of the diseases and pestsand the grass seeds on the seeds is lowered, the labor force is reduced, and the cost is lowered; besides, seedling growing is achieved by means of plug shallow earthing, transplanting is facilitated,plugs can be directly transported to a field in which ramie is about to be planted, and long-distance transportation is facilitated; by directly taking seedlings with soil out of the plugs, the rootsystems and growing points of the seedlings are protected, the water retention rate is high, and the survival rate of the young seedlings is increased.

The invention discloses a beneficiation method for producing multi-product nickel concentrate. The beneficiation method comprises the following steps that primary selection is carried out on primary rough concentration concentrate so as to obtain primary fine concentrate and primary fine tailings; one-time or multiple selection is carried out on the primary fine concentrate until the high-nickel ore concentrate with the nickel grade of 10-22% is obtained; a magnetic pyrite activator, a collecting agent and a foaming agent are added into the primary roughing tailings to carry out secondary rough selection so as to obtain secondary rough concentrate and secondary rough tailings; and the primary fine tailings are combined with the secondary rough concentrate, at least one low-nickel concentration is carried out until the low-nickel ore concentrate with the nickel grade of greater than 5% is obtained. According to the beneficiation method, two types of nickel ore concentrate products can be obtained at the same time in the same beneficiation process, the requirement for producing high-grade nickel concentrate can be met, and the comprehensive recovery rate of nickel cannot be reduced.

A comprehensive utilization method for secondary power generation by solid waste solidification and gasification process, comprising the following steps: 1) solid waste solidification: turning domestic waste into dense and hard solid waste rods; (2) waste gasification: solid waste rods Add anti-fire gasifier dry distillation to generate combustible gas; (3) Gasification power generation: supply the generated combustible gas to the internal combustion generator for power generation; (4) Secondary power generation: collect the waste heat of the internal combustion generator, and send it to the low-pressure boiler to generate steam, The generated steam is used to drive the low-pressure steam generator to generate electricity to achieve secondary power generation; (5) slag utilization; (6) waste heat utilization, using the waste heat of the low-pressure steam generator to break open the plastic bags of garbage and dry the garbage moisture. The present invention has the advantages of high recycling rate of domestic waste, no secondary pollution, less project investment, etc., solves the problem of waste leakage pollution, the odor problem caused by the centralized stacking of waste, and the problem of mass production of dioxin, and creates a new A precedent for secondary power generation from domestic waste.

The invention discloses a production technology of high-efficiency high-concentration polymeric ferric sulfate. Under the condition that a catalytic oxidation process is omitted and massive processing equipment does not need to be increased, a rolled steel pickling byproduct namely iron oxide red reacts with industrial waste sulphuric acid, and through a negative pressure synergy concentration technology, high-efficiency high-concentration liquid polymeric ferric sulfate is prepared, so that the purposes of resource utilization is achieved, and solid products are replaced. A preparation method of the high-efficiency high-concentration polymeric ferric sulfate is simple, practical and easy to operate; and ratio of the water purifying effect of the prepared high-efficiency high-concentration liquid polymeric ferric sulfate to the water purifying effect of the solid products is close to 1 to 1, the equipment investment is low, and the production technology is suitable for industrialized production. The byproduct namely the iron oxide red and the industrial waste sulphuric acid are used, so that other problems caused in a catalytic oxidation process can be solved, and the production cost is greatly reduced. According to the production technology disclosed by the invention, waste is turned into wealth, and one kind of waste is used for governing other kinds of waste, so that environmental-friendly ideas of saving energy, reducing emission, and recycling economy can be achieved.

The invention discloses a method of medical waste sorting and recycling and high-temperature pyrolysis treatment. The method of the medical waste sorting and recycling and high-temperature pyrolysis treatment comprises the steps that sorting and collecting medical waste are carried out, waste raw materials without special treatment requirements are sorted out through a manual sorting mode; then the waste raw materials are subjected to high temperature sterilization treatment through a high temperature sterilization device, and the selected waste is further sorted through magnetic separation, air classification and gravity jigging; and separated magnetic metals, aluminum, glass, sand and stone and the like can be treated by recycling departments to realize recycling of useful substances inthe medical waste, separated waste with high content of other organics can be converted into an available energy form through the high-temperature pyrolysis treatment, and the waste of resources is facilitated to be reduced; and the method of the medical waste sorting and recycling and the high-temperature pyrolysis treatment has the characteristics of high reduction degree, low secondary pollution and high energy recovery rate.

The invention discloses a production process of polymerized diacid ferro-aluminum for water treatment. The preparation method comprises the following steps: a, under stirring, reducing a proper amountof water, 127-168 parts of hydrochloric acid with the total acidity of 30-32% and 8-14 parts of sulfuric acid with the total acidity of 97-99% into a reaction tank for mixing; adding 35-58 parts of iron-containing bauxite trihydrate powder with the aluminum oxide content of 40-45% and the iron oxide content of 20-25% into the mixture at normal pressure and normal temperature, and stirring the mixture to be dissolved; continuously raising the temperature until the temperature of the reaction system is controlled at 105-125 DEG C, and reacting for 3.5-5.0 hours under normal pressure; b, supplementing a proper amount of water into the feed liquid obtained in the step a while stirring; adding 46-63 parts of calcium aluminate powder, raising the temperature of the feed liquid by utilizing reaction self-heating in the adding process, adjusting the density of the feed liquid to be greater than or equal to 1.25 g/ml by using water after adding is finished, then adding 4-7 parts of a synergisttrisodium phosphate, raising the temperature until the temperature of a reaction system is controlled to be 100-115 DEG C, and reacting for 3-4 hours under normal pressure; and c, discharging the feed liquid obtained in the step b to obtain mother liquor.

The invention relates to a treatment system for bean vermicelli production wastewater, and belongs to the technical field of sewage treatment. The treatment system comprises a water inlet and a water outlet, wherein a first settling pond, an acidification adjustment pond, a lifting water pump, an anaerobic reactor, a second settling pond and an aerobic treatment pond are sequentially communicated between the water inlet and the water outlet through a pipeline; the first settling pond is used for the early-stage settling treatment of wastewater, the acidification adjustment pond is used for adjusting the water quality and quantity of high-concentration wastewater, and the anaerobic reactor is used for carrying out anaerobic fermentation, producing biogas and purifying the wastewater; the second settling pond is also provided with a branch loop reflowing to the anaerobic reactor, and the acidification adjustment pond also comprises a water quantity adjusting pond. According to the invention, a large amount of waste pollutants can be converted into a green energy namely biogas, thereby achieving a great promoting effect on the energy conservation and emissions reduction and benefit increasing of enterprises; through an anaerobic reaction, the removal rate of COD (chemical oxygen demand) is 90%, thereby ensuring the effect of wastewater treatment and up-to-standard release.