468results about How to "Sufficient oxygen" patented technology

The invention relates to an ecological slope protection type sewage land infiltration system which comprises a grid pond (2), an anaerobic hydrolyzing pond (4) and a stepped land infiltration unit which are sequentially arranged along the gradient of a sloping field from top to bottom, wherein the grid pond (2) is communicated with a ditch (1); the stepped land infiltration unit comprises multilevel slope protection infiltration beds (5); filter materials (7) are filled in the slope protection infiltration beds (5); hygrophyte communities (9) are cultivated on the slope protection infiltration beds (5); a modal conversion assembly (6) used for controlling infiltration speed, waterpower retention time, a filtering layer internal environment and an effluent water mode is arranged between adjacent slope protection infiltration beds (5). The ecological slope protection type sewage land infiltration system disclosed by the invention tolerates the rural sewage quality water flow impact, is difficult to block due to high reaeration capacity, intensifies the denitrification and dephosphorization effect, is green, energy-saving, economic and practicable and has excellent water conservancy and ecology value.

An exhaust treatment system associated with a power source is disclosed. The exhaust treatment system may have a filter located to remove particulate matter from a flow of exhaust, and a regeneration device located proximal the filter. The exhaust treatment system may also have a first fluid handling component located upstream of the power source to vary an amount of oxygen in the flow of exhaust, a second fluid handling component located downstream of the power source to vary the amount of exhaust air flow in the exhaust circuit, and a controller in communication with the regeneration device and the fluid handling component. The controller may determine a need for filter regeneration, and determine adjustments to the first and second fluid handling components required to provide sufficient oxygen and air mass flow in the exhaust for filter regeneration. The controller may further determine an effect the adjustments will have on operation of the power source, and determine corrections for the power source to account for the effects. The controller may substantially simultaneously implement the adjustments and the corrections.

Methods and apparatus employing membrane filtration in biodegradation processes for treatment of wastewater are described. A bioreactor system is described having an equalization system, a membrane bioreactor system, and a controller. Aeration systems for a membrane bioreactor, such as a mixer, and an ultrafilter subsystem are also described, as is a rotary membrane ultrafilter.

The invention relates to a two-section rotation oxygen-enrichment external heating oxidation technology and device for dry-method and semi-dry method desulfurized ash. A two-section type rotation oxidation kiln is adopted, oxygen is introduced into the kiln and heating is implemented by adopting an external heating furnace, so that the oxidizing process for converting CaSO3 in the desulfurized ash into CaSO4 is completed. Compared with the prior art, the technology and the device have the benefits as follows: (1), during the oxidation of the desulfurized ash in the oxidation kiln, stable oxidation time, balanced oxidation temperature, sufficient oxygen content and appropriate oxidation atmosphere are realized, the technical measures such as automatic control, surplus heat utilization, dust removal and environment protection are adopted, so that the low-cost oxidation and industrialized production are realized; (2), the provided systematic desulfurized ash oxidation production line is suitable for the industrialized and large-scale production requirements; (3), the processing parameters such as oxidation temperature, time and oxygen content are controlled through a PC (Personal Computer), so that the appropriate oxidation conditions are ensured; (4), the promotion of the development of a dry-method and semi-dry method desulfuration technology is facilitated; (5), the resource utilization of the desulfurized ash is realized, and the energy conservation, emission reduction and environment protection are facilitated.

The invention relates a bubble-typed pound automatic aerator, which comprises a motor, flexible tubes and an air pump. The air pump comprises a tube-shaped cylinder and a tube-shaped piston arranged in the cylinder. The tube-shaped cylinder is opened with a gap at one end, and the other end is sealed, an air outlet is opened at the sealed end, and an air outlet valve is arranged on the air outlet. The air outlet is connected with a main flexible tube by an air outlet tube, and the main flexible tube is also connected with a branch organ, a plurality of branch flexible tubes are connected on the branch organ, a shower-shaped nozzle is connected with the end part of the branch flexible tube, and a dobber is tied on the nozzle. The bubble-typed pound automatic aerator is characterized by large amount of supplied air, even distribution of the amount of air, low energy consumption, etc. By the reciprocated movement of the piston, fresh air can be sent to water continually. Meanwhile, the nozzle thereof is placed at the water bottom, thus many small bubbles can be produced, and the bubbles can combine with water fast and closely and dissolve in water, therefore, fast oxygenation can be offered to the rearing ponds, and fishes can obtain continuous enough oxygen.

The invention discloses a domestic fungus industrial cultivation matrix prepared by coconut husk, and an application thereof. The cultivation matrix comprises, by mass, 5-10 parts of coconut husk, 30-40 parts of corncob, 30-40 parts of rice bran, 5-10 parts of wheat bran, 3-5 parts of corn flour, 5-10 parts of brewer's grains, 5-10 parts of soybean hull and 1-3 parts of shell powder. The water content of the cultivation matrix is 66-68%, and the pH value of the cultivation matrix is 6.2-6.8. The cultivation matrix can be applied in industrial cultivation of domestic fungi. The domestic fungus cultivation matrix prepared in the invention has the advantages of good water retention, permeability and other physical and chemical indexes, low cost, convenience for industrial operation, reduction of the safety risk of foods, realization of high output and good regularity of domestic fungi cultivated by using the matrix, and improvement of the appearance of commodities of the domestic fungi, can be applied in the industrial large-area popularization of the domestic fungi, and has substantial economic, social and ecologic benefits.

The invention relates to a low-nitric-oxide direct-current pulverized coal combustor adaptive to a meager coal boiler, which can achieve stable and economical combustion, and also reduces nitric oxide emission to the lowest level, so that the low-nitrogen combustion modifying technique of the meager coal boiler is improved. The low-nitric-oxide direct-current pulverized coal combustor adaptive to the meager coal boiler comprises main combustor groups which are arranged on four corners of a hearth of the meager coal boiler in a four-angle tangential circle combustion mode, are matched with a water-cooling wall high-temperature-prevention corrosion system of the hearth, and are identical in structure; each main combustor group comprises pulverized coal combustors arranged at intervals and secondary air spray ports; the upper parts of the main combustor groups are provided with corresponding separation burnout air groups; a layer of precombustion chamber back flow combustor is arranged in each n-layer of pulverized coal combustors; the jet flow rotation direction of the main combustor groups is the anticlockwise direction; the rotation direction of secondary air ports close to the upper parts of the precombustion chamber back flow combustors is the clockwise direction, and the imaginary tangential circle diameter is greater than the imaginary tangential circle diameter of the main combustors; separation burnout air groups include upper groups and lower groups; and the jet flow of the lower groups is in an imaginary tangential circle mode, and the jet flow of the upper groups is in an opposed combustion mode.

The invention relates to an aeroponic method of dendrobium officinale. The method comprises the steps of: constructing a three-dimensional cultivating frame in a steel structure; disinfecting before planting and cultivating after planting; selecting dendrobium officinale seedlings in advantageous growth after seedling hardening and wrapping the roots of the seedlings by with sponge strip attachments and planting in planting holes; spraying a nutrient solution or water in form of aerial fog to the attachments by a spraying device until the roots penetrate through the attachments and extend into the cultivating frame; and then, spraying the nutrient solution or water to the roots to cultivate by the spraying device and till collecting by the spraying device. According to the invention, growth elements such as temperature, light, water, gas and fertilizer are regulated manually to the optimal state, so that the root system is in a moist state and obtains sufficient oxygen, therefore, the growth period of dendrobium officinale is shortened. The nutrient solution is directly sprayed to the roots of dendrobium officinale by the spraying device to accelerate absorption and utilization of for nutritional elements, so that dendrobium officinale grows more robust and thicker, polysaccharide content is beneficially accumulated. Therefore, the yield and the quality of dendrobium officinale are improved.

The invention aims to provide gynura bicolor nutrient solution and a gynura bicolor cultivation method, which can be used to grow gynura bicolor all the year round and make the plant grow vigorously, grow branches quickly and high in yield and quality. The gynura bicolor nutrient solution comprises the following aqueous solution of components: 300 to 458mg/L aqueous solution of Ca(NO3)2.4H2O, 225 to 400mg/L aqueous solution of KNO3, 150 to 250mg/L aqueous solution of MgSO4.7H2O, 50 to 80mg/L aqueous solution of NH4H2PO4 and aqueous solution of trace elements including 15mg/L aqueous solution of EDTA-2Na, 2.2mg/L aqueous solution of MnSO4.H2O, 1.65mg/L aqueous solution of H3BO3, 0.15mg/L aqueous ZnSO4.7H2O, 0.06mg/L aqueous solution of CuSO4.5H2O and 0.015mg/L aqueous solution of (NH4)6Mo7O24.5H2O. The nutrient solution and the method are widely used in the technical field of soilless culture of plants.

The invention relates to fuel-burning equipment and provides a bio-particle fuel burner. According to the bio-particle fuel burner, the burner fast to ignite can reduce fuel loss, improve the utilization efficiency of fuel, save energy and protect environment, a machine table operates safely and stably, the burning power is large and the automatic level is high. The bio-particle fuel burner comprises a machine frame, a combustion chamber, a bin, a PLC, a temperature sensor and an air blower, wherein the combustion chamber, the bin, the PLC, the temperature sensor and the air blower are arranged on the machine frame. The bio-particle fuel burner further comprises an adjustable-air flow-distributing device and an ignition device. The bin is provided with a discharge device. The combustion chamber is provided with a feed pipe communicated with the discharge device of the bin. The air blower is communicated with an air inlet of the combustion chamber through the adjustable-air flow-distributing device. A flow-distributing output pipe air outlet of the adjustable-air flow-distributing device is further communicated with a feed pipe discharge opening of the combustion chamber. The ignition device comprises an ignition transformer and an electric stove wire connected with the ignition transformer. The electric stove wire is arranged in the combustion chamber. The PLC is connected with the discharge device, the ignition transformer, the temperature sensor and the adjustable-air flow-distributing device respectively.

The invention discloses a fast propagation method of macadimia nut seedlings. The method comprises the steps of stock cultivation, wherein a macadimia nut germination accelerating device is used, themacadimia nut germination accelerating device comprises a cabinet and germination accelerating boxes, air outlets are formed in the top of the cabinet, multiple atomizing nozzles are arranged on the top of the cabinet, an air inlet is formed in the bottom of the cabinet, and multiple water discharging and ventilation parts for water circulation and ventilation are arranged on the bottom of each germination accelerating box; stock seedbed production, germination accelerating and sowing, stock raising, scion treatment, grafting and field planting, wherein wounds of scions and stocks need to be washed with a mixture of a snail extract, honey, a glucose injection and a normal saline solution before grafting. By means of the method, the growth speed and the grafting survival rate of the seedlings can be improved, so that fast propagation of the macadimia nut seedlings is achieved.

The invention discloses a wavy subsurface-flow constructed wetland landscape water body treatment system and method. The system combines a horizontal subsurface-flow constructed wetland with a vertical subsurface-flow constructed wetland to form a wavy subsurface-flow constructed wetland. By means of regularly arranging upper clapboards and lower clapboards inside the wetland and replacing a horizontal flow state with a wavy flow state, sludge flows in a plurality of modes which are connected in series and alternate in upstream and downstream flows, so that organic nutrient substances are sufficiently degraded to remarkably promote deposition of phosphorus; the sludge is repeatedly subjected to anaerobic and aerobic treatment, so that removing of nitrogen can be facilitated; appropriate limestone is added into the filler of the wetland to release Ca<2+>, so that phosphorus in the sludge generates insoluble deposition of calcium phosphate, and thus the removal rate of phosphorus is increased. Due to the adoption of modes, such as intermittent water distribution, water inflow to a water distribution pipe by forming openings in the bottom as well as serial or parallel operation of a plurality of wavy subsurface-flow constructed wetlands, the bed body of the constructed wetland plays a relatively large efficiency, the removal rate of nitrogen phosphorus and organic matters is increased and the sludge treatment capability is enhanced.

The invention discloses a water-regulating machine for improving the water quality, comprising an oxygenation system and a water-regulating system, wherein the oxygenation system comprises a driving device, a water-inputting oxygenation device and a transmission device; the transmission device is connected between the driving device and the water-inputting oxygenation device; the output of the driving device is transmitted to the water-inputting oxygenation device; the water-regulating system comprises a driving device, a speed-reducing device and a water-regulating device; the speed-reducing device is connected between the driving device and the water-regulating device; and the output of the driving device is transmitted to the water-regulating device in a speed-reducing way. The water-regulating machine not only can add the oxygen in the water and solve the problem that aquiculture lacks of oxygen, but also can reduce residual medicine and other harmful substances in the water and prevent aquatic products for the aquiculture from being polluted; in addition, through integrating the oxygenation system and the water-regulating system into a whole by using a reasonable structure, the multifunctional water-regulating machine has the advantages of simple structure, manufacturing cost, low power consumption and the like.

The invention discloses an aerobic composting device and aerobic composting method for organic solid waste. The aerobic composting device comprises a composting bin, a fire-grate type feeding device, a screw rod extruding dehydration discharging device, an oxygen supply device, a leachate circulating spraying device, an exhaust pipe and a temperature measuring device, wherein the fire-grate type feeding device and the screw rod extruding dehydration discharging device are arranged in the composting bin; and the fire-grate type feeding device is positioned under the screw rod extruding dehydration discharging device. According to the aerobic composting device disclosed by the invention, a structure that the fire-grate type feeding device and the screw rod extruding dehydration discharging device are combined is used, through combination of gradation type feeding and screw rod dehydration discharging, the effects of high efficiency and favorable turning are achieved, materials are sufficiently and uniformly mixed, and the materials are loose; and the loose materials accelerate combination of oxygen in air with substrates, so that the oxygen supply efficiency is improved.

A pollution-free specially-raised kilogram-level chicken house and a raising method belong to the field of raising technology. The chicken house is characterized in that a fan is used for longitudinal ventilation, an air outlet is disposed on the exterior wall of one end of the chicken house, a wet curtain is used for cooling the chicken house, a wet curtain layer is disposed in the middle of the exterior wall of the other longitudinal end of the chicken house, an air heater is disposed outside the chicken house, an air supply pipe is connected with the air heater and an indoor air supply branch pipe, the indoor air supply branch pipe is connected with a plurality of hot air outlet, and a plurality of rows of composite cages are disposed inside the chicken house and supported by a support. The raising method is characterized in that high-density multilayer group caging is adopted, the good method is used for good varieties, green pollution-free fodder materials and additives are used, and the raising process is specified. The raising method includes: fodder matching, seed selection, racking, separate caging, and inspection for sale; and obtaining pollution-free specially-raised kilogram-level chicken. The chicken house is scientific and reasonable in arrangement, the fodder is delicate, green and environment-friendly, chicken groups raised in the chicken cage grow and develop orderly and healthily, disease occurrence is low, growth speed is high, fodder utilization rate is high, and raising benefits are guaranteed.

The invention provides a tomato tree and earthworm cooperation plantation cultivation method comprising the following steps: 1, field preparation: arranging a plurality of tomato tree cultivation beds and earthworm cultivation beds in a greenhouse, wherein the tomato tree cultivation beds and earthworm cultivation beds are arranged in a staggering manner; 2, earthworm cultivation; 3, tomato tree plantation; 4, arranging tomato cultivation racks. The tomato tree planted by the method can provide weak illumination for earthworms, and can cool the temperature for the earthworms in summer time, thus providing a warmth survival environment for the earthworms; in addition, the earthworms can provide mass earthworm manure for the tomato trees as nutrition, and can loosen the soil so as to provide sufficient oxygen for the tomato tree roots, so the tomato trees can infinitely grow.

The invention discloses a morchellaconica facility cultivation technology, and belongs to the technical field of edible fungus cultivation. The facility cultivation technology specifically comprises the following steps: building a mushroom shed, constructing ridge beds, carrying out sowing, building small arched sheds, supplementing a nutrient matrix, carrying out mycelium management and protection, carrying out mushroom acceleration, carrying out mushroom cultivation and carrying out harvesting. According to the invention, the influence of external environment to the growth of morchellaconicais effectively avoided by the facility cultivation of a greenhouse and the small arched sheds, fruiting is uniform, the fruiting rate is stable, the problems of low yield, long period and the like are solved, and an idea is provided for sustainable development of the morchellaconica industry.

The invention discloses citrus steamed fish sauce and a preparation method thereof, and belongs to the technical field of food fermentation engineering. According to the citrus steamed fish sauce disclosed by the invention, the technology that soybeans, flour, bran, citrus peels and purple perilla are used as starter propagation raw materials and aspergillus oryzae 3.042 and aspergillus niger 3.350 cooperate for starter propagation is adopted, at the middle stage of fermenting soy sauce mash, saccharomyces rouxii is added, and at the later stage, torulopsis bombicola is added. The aspergillus niger has higher cellulose activity, lipase activity and pectinase activity, and can achieve the enzyme system complementary effect with the aspergillus oryzae 3.042. The activity of the cellulase, the activity of the lipase and the activity of the pectinase obtained at the stage of starter propagation are higher, the cellulase, the lipase and the pectinase are used for decomposing the citrus peels and the purple perilla and promoting the release of various active substances in the citrus skins and the purple perilla. The addition of the two kinds of salt resistant fragrance-producing yeasts at the middle stage and the later stage of fermentation can promote the formation of flavor substances of the steamed fish sauce, improve the flavor of the steamed fish sauce and increase the kinds of the flavor substances.

An ecological plant curtain makes a reader breathe fresh air when freely reading, recording, communicating, acquiring information from the internet and the like in a reading room and an information sharing space, a quiet, peaceful and comfortable learning environment is obtained, and various kinds of discomforts and diseases caused by pollution of the reading room and the information sharing space are prevented. In order to achieve the purpose, according to the technical scheme, the ecological plant curtain is composed of spraying curtain boxes and ecological climbing plants. The ecological plant curtain is characterized in that the ecological plant curtain is planted in the reading room and the information sharing space of a library, the green climbing plants and bamboo are selected as the ecological plants, and a spraying planting technology is adopted.

The invention discloses a black fungus culture medium and a preparation method thereof, and belongs to the technical field of the cultivation of edible mushrooms. The black fungus culture medium is prepared by adopting the following raw materials by weight percent: 30 to 48 percent of corncob powder, 15 to 36 percent of peanut shell powder, 18 to 25 percent of cottonseed hull powder, 10 to 15 percent of mallee bark chippings, 6 to 17 percent of wheat bran, 3 to 8 percent of bitter buckwheat husk, 1.5 to 3.2 percent of traditional Chinese herbal extraction liquid, 1 to 1.5 percent of gypsum powder, 0.6 to 1.4 percent of brown sugar and water added under stirring until the water content is 48 to 60 percent. By adopting the black fungus culture medium, the problems that the existing culture medium is unreasonable in nutritional structure, susceptible to the infection of bacteria, low in yield and poor in quality can be effectively solved, and the growth of bacteria and insect pest can be effectively controlled; moreover, the black fungus is good in quality and taste, the yield of the black fungus is increased, and the economic benefit of the planters can be increased.