72results about How to "Meet oxygen needs" patented technology

The invention discloses an aeration underground drip irrigation system which comprises a water source, a delivery main pipe (6), a delivery branch pipe (10) and an irrigation capillary (11), wherein abooster pump (5) is connected in series with the delivery main pipe (6). The aeration underground drip irrigation system is characterized in that an aeration chamber (1) is connected in parallel withthe delivery main pipe (6), a micropore aeration part (7) is arranged in the aeration chamber (1), an air compressor (2) is communicated with the aeration part (7) in the aeration chamber (1) througha gas cylinder (3) and a ventilation hose (8) with a one-way valve (9), and a branch ventilation pipe (14) communicated with the aeration chamber (1) is arranged between the one-way valve (9) and a gas flow control valve (13). The aeration underground drip irrigation system can realize the three functions of ordinary underground drip irrigation, aeration underground drip irrigation and simple underground ventilation through water gas supply and valve control, has simple structure, low cost, less energy loss, controllable aeration ratio, wide aeration range, convenient use, management and maintenance and labor saving, and simultaneously can dissolve fertilizer into water, simultaneously irrigate the fertilizer, the water and gas, improve the utilization efficiency of the fertilizer and reduce the pollution for soil and underground water.

The invention discloses a water-air coupled high-efficient irrigation system, comprising a water delivery main pipe (12). One end of the water delivery main pipe (12) is in communicated connection with a water source (1) and is in communicated connection with a bubbleless aeration water-air mixing tank (3) with a hydrophobic hollow fiber membrane assembly (4); and the other end of the water delivery main pipe (12) is in communicated with an irrigation device. The water-air coupled high-efficient irrigation system is characterized in that one end of the hydrophobic hollow fiber membrane assembly (4) is communicated with an air compressor (6) and the other end of the hydrophobic hollow fiber membrane assembly (4) is provided with a second air conducting pipe (16); the water delivery main pipe (12) is provided with a water pump (2), a water pressure and flow regulation valve (14), a first pressure measuring instrument (13) and a second pressure measuring instrument (15). The mixing of air is finished through the hollow fiber membrane assembly; the utilization rate of oxygen can reach 100 percent in theory; the water-air coupled high-efficient irrigation system solves the problems of transient oxygen deficiency of plant roots during irrigation, low utilization rate of oxygen and high consumption of energy and the like when the mixing of air is finished by using a Venturi jet aerator; moreover, a dropper capillary and a watering device do not need to be buried in soil, the convenience in maintenance and inspection of the watering device is realized and the water-air coupled high-efficient drop irrigation, spray irrigation and surface irrigation can be realized.

A safety method for rhinogobio ventralis long-distance transportation comprises the following steps of 1 controlling the temperature of a water body; 2 adding penicillin; 3 adding anesthetic to perform first-step anesthesia; 4 rapidly transferring rhinogobio ventralis to a transportation water body of a transportation device; 5 adding the anesthetic to perform second-step anesthesia; 6 adding oxygen into the transportation water body, namely ensuring 10-20hour long-distance transportation safety of the rhinogobio ventralis. A safety transportation device for rhinogobio ventralis long-distance transportation comprises a box body and a box cover which are connected through hinges, the box body consists of an inner vat, an ice storage vat and a heat preservation layer which are sequentially arrange from inside to outside, and an ice storage layer is formed between the inner vat and the ice storage vat. The box cover is provided with a groove which is in a shape of a Chinese character 'hui' and matched with the inner vat and the ice storage vat. The safety method and the transportation device for the rhinogobio ventralis long-distance transportation greatly improve the survival rate of the rhinogobio ventralis in the long-distance transportation and achieve the 10-20hour long-distance transportation safety.

The invention discloses a preparation method for special production medium regulation bags for Pleurotus eryngii, which is characterized in that the bags are prepared from the following components by weight: 100 parts of polypropylene resin, 5-15 parts of ethylene-vinyl acetate resin, 5-25 parts of linear polyethylene resin, 8-15 parts of superfine calcium carbonate, 1-5 parts of Tween-80, 0.5-1.5 parts of glyceryl monooleate as an antifoggant, 0.3-0.6 parts of 1076 antioxidant, 0.1-3 parts of SWJU-1 antistatic agent, and 0.3-2 parts of polyethylene wax. The bags are developed especially for Pleurotus eryngii production, which have high thermostability, breathability and impact resistance. Menawhile, the bags can remain intact during high temperature and high pressure sterilization, and can realize the aim of regulating gas directly without multilayer compounding, meet the need of oxygen in the Pleurotus eryngii growth process, so that the bags are beneficial to the cultivation and growth of Pleurotus eryngii.

The invention discloses a method for transplanting and domesticating sawtooth oak tissue culture seedlings, and belongs to the technical field of plant transplanting and domesticating. The method fortransplanting and domesticating the sawtooth oak tissue culture seedlings comprises the following steps: 1) selecting rooting seedlings; 2) preparing a transplanting container and a domesticating substrate; 3) preparing a domesticating seedbed; 4) carrying out post-transplanting greenhouse temperature, humidity and light irradiation management as well as substrate humidity management; and 5) carrying out field transplanting management. The method for transplanting and domesticating the sawtooth oak tissue culture seedlings provided by the invention is capable of realizing large-scale production of sawtooth oak, and simplifies the domestication process; and thus, the method saves cost by 30% or above, realizes a survival rate of 98% after transplanting and domesticating, and achieves a survival rate of 95% after field transplanting.

The invention relates to the technical field of circulating production of edible mushrooms, and in particular to a circulating production process method for the edible mushrooms. The circulating production process method for the edible mushrooms comprises the following steps: (1) preparing a culture medium for the edible mushrooms; (2) filling a polypropylene material bag with the culture medium for sterilizing, and inoculating after the edible mushrooms are cooled; (3) preparing liquid strains, inoculating the strains to the culture medium in a purified room, and culturing the inoculated bacterial bag on a culture frame in a culture room; (4) harvesting fruiting edible mushrooms; (5) collecting and crushing the harvested mushroom stems and enabling the crushed mushroom stems to enter a biogas tank to produce biogas; (6) adding part new material into biogas residues produced after the fermenting of the biogas tank, preparing into edible mushroom dreg again, and recycling and utilizingin such a manner, so that waste is changed into treasure. The circulating production process method for the edible mushrooms has the characteristics of short edible mushroom production period, low rawmaterial cost, energy conservation, high production efficiency, high yield, simple process, capacity of producing perennially, low comprehensive cost, capacity of forming circulating production, goodcomprehensive utilization, and capacity of meeting the requirements of environment friendliness and greenness.

The invention discloses a three-dimensional water culture method and system and a hydroponic plant thereof. The three-dimensional water culture method comprises the steps that a plurality of plants are planted on one side of a pipe sectional bar with the preset axial length on a workbench; the pipe sectional bar is erected on a tower, and a preset included angle is formed between the pipe sectional bar and the ground so that one sides of the plants can face outwards; a nutrient solution with the preset depth is formed inside the pipe sectional bar through nutrient solution circulating devices connected with the two ends of the pipe sectional bar. According to the method, on the basis of the good combination of the nutrient solution film technology and the three-dimensional culture method, the perpendicular space can be effectively utilized, the yield per unit area is high, and the requirement of a root system for oxygen can be well met. The overall water culture system is low in cost and manufacturing cost and convenient to produce and facilitates large-scale application and popularization.

The invention relates to the technical field of oxygen machines, and particularly discloses an oxygen supply controller which comprises a shell, a first pressure sensor, a second pressure sensor, a first electromagnetic valve, a second electromagnetic valve, a flow sensor, a flow regulating valve and a control circuit board which are arranged in the shell, the shell is provided with a controller air inlet used for being connected with an oxygen source and a controller air outlet used for being connected with an oxygen inhalation pipe, and the controller air inlet, the first pressure sensor, the second electromagnetic valve, the second pressure sensor and the controller air outlet are sequentially connected in series through a pipeline. The flow regulating valve, the first electromagnetic valve and the flow sensor are connected in series through pipelines and connected with the second electromagnetic valve and the second pressure sensor in parallel. The problem that a large amount of oxygen is wasted in a traditional oxygen uptake mode is solved, the requirement for simple and light outdoor oxygen uptake for a longer time is met, and meanwhile the problem that the oxygen yield of an oxygen machine in a plateau zone is insufficient is solved.

The invention discloses an aeration underground drip irrigation system which comprises a water source, a delivery main pipe (6), a delivery branch pipe (10) and an irrigation capillary (11), wherein a booster pump (5) is connected in series with the delivery main pipe (6). The aeration underground drip irrigation system is characterized in that an aeration chamber (1) is connected in parallel with the delivery main pipe (6), a micropore aeration part (7) is arranged in the aeration chamber (1), an air compressor (2) is communicated with the aeration part (7) in the aeration chamber (1) through a gas cylinder (3) and a ventilation hose (8) with a one-way valve (9), and a branch ventilation pipe (14) communicated with the aeration chamber (1) is arranged between the one-way valve (9) and a gas flow control valve (13). The aeration underground drip irrigation system can realize the three functions of ordinary underground drip irrigation, aeration underground drip irrigation and simple underground ventilation through water gas supply and valve control, has simple structure, low cost, less energy loss, controllable aeration ratio, wide aeration range, convenient use, management and maintenance and labor saving, and simultaneously can dissolve fertilizer into water, simultaneously irrigate the fertilizer, the water and gas, improve the utilization efficiency of the fertilizer and reduce the pollution for soil and underground water.

The invention discloses rotary adjustable raw material culture equipment for cosmetic production, relates to the technical field of cosmetics, and solves the problems that when an existing cosmetic plant tissue culture device is used for culturing plant tissues, light irradiation is not comprehensive and uniform, so that the plant tissues easily grow irregularly, and different requirements of different plant tissues on light irradiation intensity during culture cannot be met. The rotary adjustable raw material culture equipment for cosmetic production comprises a mounting shell, an LED lamp, aservo motor, a first rotating shaft and the like, wherein the LED lamp is fixedly mounted on one side face of the top of the mounting shell, and the servo motor is fixedly mounted on one side face ofthe bottom of the mounting shell. According to the culture equipment, plant tissues in the culture dish can be uniformly irradiated by lamplight, so that the plant tissues grow better, the plant tissues can be prevented from being burnt by the lamplight under long-time lamplight irradiation, and meanwhile, the requirements of different plant tissue culture on the lamplight irradiation intensity can be met.