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222results about How to "Sufficient oxygen supply" patented technology

Experimental leaf vegetable water culture device

The invention discloses an experimental leaf vegetable water culture device, and belongs to devices for vegetable culture. The experimental leaf vegetable water culture device comprises a nutrient solution tank, a colonization plate, colonization cups and a circulating device, wherein the nutrient solution tank is of a box body structure, an opening is formed in the upper end of the box body structure, the colonization plate is matched with the opening in the upper end of the nutrient solution tank in shape and arranged in the opening in the upper end of the nutrient solution tank, a plurality of colonization holes are evenly distributed in the colonization plate, the area of an opening in the upper end of each colonization hole is smaller than that of an opening in the lower end of the corresponding colonization hole, the thickness of the position, at each colonization hole, of the colonization plate is at least two centimeters, the number of the colonization cups is more than one, the colonization cups are arranged in the nutrient solution tank below the colonization holes and correspond to the colonization holes respectively, an air outlet of the circulating device is formed in the nutrient solution tank, and an air inlet of the circulating device is communicated with air outside the nutrient solution tank. According to the experimental leaf vegetable water culture device, the root systems of vegetables can be immersed in a nutrient solution partially, and cannot be completely immersed in the nutrient solution, it is ensured that plants sufficiently absorb nutrients, sufficient oxygen can be provided for the root systems of the plants, and the contradiction between nutrient absorption and oxygen absorption in the process of traditional water culture of seedlings is solved.
Owner:BEIJING UNIV OF AGRI

Innocent static aerobic composting treatment method for silkworm excrement

InactiveCN102887749AHot enoughGuarantee the effect of high temperature aerobic fermentationBio-organic fraction processingOrganic fertiliser preparationTreatment pondEngineering
The invention discloses an innocent static aerobic composting treatment method for silkworm excrement. The method comprises the following steps of: 1) putting up an open floor on the bottom of a treatment tank; 2) spreading a layer of conditioner on the open floor; 3) pouring mixture of the silkworm excrement and the conditioner on the layer of the conditioner and spreading, or alternately poring the silkworm excrement and the conditioner to obtain a plurality of composite layer piles and then spreading; and 4) finally covering a layer of conditioner on the surfaces of the piles in the treatment tank. A layer of mushroom residues is coated on the bottom of a silkworm excrement tank and the surface of the silkworm excrement respectively, so that the direct contact between the silkworm excrement and natural environment can be avoided, the function of heat preservation can be exerted, and different parts of silkworm excrement have the high enough temperature; and therefore, the whole high-temperature aerobic fermentation effect of the silkworm excrement tank can be guaranteed, the fermentation and composting speed of the silkworm excrement is accelerated, and the effect of killing pathogens in the silkworm excrement can be improved.
Owner:SERICULTURE & AGRI FOOD RES INST GUANGDONG ACAD OF AGRI SCI +1

Intelligent cabin type aerobic composting device

The invention discloses an intelligent cabin type aerobic composting device. The intelligent cabin type aerobic composting device comprises a fermentation cabin, a ventilation device and a real-time on-line monitoring device; the intelligent cabin type aerobic composting device is characterized in that a fermentation cabin body is a PVC (Poly Vinyl Chloride) double-layer cylinder, a temperature feeler lever, an oxygen feeler lever and a vent pipe are arranged at the top of the fermentation cabin, a thermal insulation layer is formed between an inner side wall and an outer side wall by hot air flows, a tail gas pipe is arranged at the side wall of the fermentation cabin, a buffer layer, a flow-guiding folded plate, an air inlet hole and a water draining pipe are arranged at the bottom of the fermentation cabin, the ventilation device comprises an air pump, a flow meter, an electromagnetic valve and an air pipe, the air pipe is connected with the air inlet hole, the on-line monitoring device comprises temperature, oxygen, tail gas (such as CO2, NH3 and H2S) monitors and flow meters. According to an aerobic composting device, a compost body can be quickly warmed up by a thermal insulation layer, the high temperature is continuously kept, air is fully and uniformly distributed by the buffer layer and the flow guiding plate, and the real time storage of continuous data can be realized by the on-line temperature, oxygen and tail gas monitors.
Owner:GUILIN UNIVERSITY OF TECHNOLOGY

Plant air purifier

The invention provides a plant air purifier which comprises a conservation groove for bearing plants, wherein the conservation groove is equipped with a nutrition pot for conserving plants; the nutrition pot is filled with a matrix for supplying nourishment to the plants; the conservation groove is connected with a water storage and supply device for supplying water to the matrix; a water outlet hole for discharging the balance of water in the matrix is formed in the bottom of the conservation groove; a drain hole is formed in the bottom of the nutrition pot. With adoption of the plant air purifier, when plants need to be irrigated, roots of the plants can absorb water fully and freely so as to achieve the purpose of irrigation; when the plants do not need to be irrigated, the matrix in the nutrition pot is in a humidity state of the natural environment, and the conservation groove is in a dry state, so as to ensure adequate supply of oxygen to the plant roots in the matrix and ensure the healthy growth of the plants; therefore, the plant air purifier enables the plants to grow more healthily from the perspective of nature, further enhances the vitality of plants and significantly prolongs the growing life of the plants, and is simple in operation and is conducive to the air purification from the perspective of nature.
Owner:ZHEJIANG FENG KAI AGRI NEW ENERGY TECH CO LTD

Bin type sludge aerobic composting method

The invention discloses a bin type sludge aerobic composting method which comprises the following steps of: building a bin type sludge aerobic composting device which comprises a fermentation bin, a ventilating device and real-time on-line monitoring equipment; uniformly paving a PVC (Polyvinyl Chloride) spherical suspension filter material with the diameter of 50 mm in the fermentation bin, then uniformly mixing dewatered sludge and saw dust of a sewage treatment plant according to the mass ratio of sludge:saw dust of (2:1)-(5:1), and filling into the fermentation bin; controlling the water ratio and volatile organics, namely VS (Volatile Organics ), of a mixed stacked body between 60% and 70% and between 65% and 80% respectively before stacking; inserting a temperature probe rod and an oxygen probe rod into the stacked body, wherein a composting course which takes the temperature of the center point of the stacked body as a control temperature value and adopts a control strategy, namely segmented oxygen-temperature feedback ventilation, of an invention with the application number of 201310076268.9 lasts for 14-18 days in all. The bin type sludge aerobic composting method disclosed by the invention has the functions of temperature control, gas supply, gas exhaust, unstacking and on-line monitoring, realizes the integrated operation of an whole composting process and meets the process requirements for fast decomposition, high-efficiency dewatering and harmlessness.
Owner:GUILIN UNIVERSITY OF TECHNOLOGY

Tobacco stem fluidized bed boiler

The invention discloses a tobacco stem fluidized bed boiler, belongs to industrial boilers, and aims at providing a boiler which is full in combustion, difficult to coke and block and convenient to clean, and takes tobacco stems as fuel. The boiler comprises a boiler body, a cyclone separator and a smoke discharge pipe, wherein the boiler body comprises a main combustion chamber (1) and an auxiliary combustion chamber (35), and a grate comprises a plurality of air caps (27) fixed at the bottoms of the two combustion chambers respectively; two isobaric air chambers communicated with the two combustion chambers through the air caps (27) are arranged below the two combustion chambers, and a first concentrated-phase tank (18) is communicated with the two combustion chambers; the cyclone separator (4) is communicated with the auxiliary combustion chamber (35), and a return device comprises a third isobaric air chamber (32), an air cap (27), an air inlet branch pipe (31) and a return pipe (26); a second concentrated-phase tank (17) is arranged below the third isobaric air chamber (32). The boiler is long in combustion time, sufficient in supplied oxygen, energy-saving and environment-friendly, and can be used for treating tobacco stem wastes.
Owner:GUIZHOU DIXIN IND EQUIP ENG

Ventilation tower-type lower air-inlet gas cooker

The invention provides a ventilation tower-type lower air-inlet gas cooker belonging to the field of gas cooker. The technical proposal different from the prior art comprises a hyperbolic guide flow cylinder (1); the lower end port of the hyperbolic guide flow cylinder is provided with a hearth (2) with a ventilation tower-type structure; and the hearth is internally provided with a burner. When the gas combusts in the hearth, the temperature of the fire in the hearth is much higher than the temperature of the air outside the hearth; a chimney effect is generated under the effect of hot pressure; the secondary air is sucked in from the lower end port of the hearth, is then combusted and exhausted out from the upper end port of the hearth; the hearth has a function of gathering fire and drawing fire; an external mixing chamber (3) and an internal mixing chamber (4) of the burner are structures of small cross-section and long cylinder body, and generate small resistance to the secondary air flowing from bottom to top; simultaneously, the mixed gas is heated for a long time by the hot mixing chamber cylinder and the temperature thereof is increased quickly so that the combustion is more sufficient and fierce. The gas cooker can reinforce the combustion and improve the heat gathering effect without increasing the external power.
Owner:陈洪巨

Environment-friendly waste incinerator

The invention discloses an environment-friendly waste incinerator. The environment-friendly waste incinerator comprises an incinerator body, a combustion chamber, a high-position feed inlet, an incinerator grate and incinerator legs. Refractory bricks are arranged on the inner wall of the incinerator body. The incinerator body is hollow, so that the combustion chamber is formed. The high-position feed inlet is formed in the upper portion of the incinerator body. The incinerator grate is arranged at the bottom of the incinerator body. The bottom end of the incinerator body is open, so that an ash outlet is formed. The incinerator legs are arranged at the bottom end of the incinerator body. The environment-friendly waste incinerator further comprises a dust hopper, a chimney, a water collection tank, a water pool, a water pump, a water inlet pipe and a water outlet pipe. The lower end of the dust hopper is connected with the upper end of the incinerator body through a flange. The upper end of the dust hopper is welded to a reversed hopper. The chimney is connected with the reversed hopper through a flange. The water collection tank is fixed to the upper portion of the chimney in a surrounding mode. The water pool is arranged at one side of the incinerator body. The water pump is installed above the water pool. One end of the water inlet pipe is connected with the water pump. The other end of the water inlet pipe is arranged above the chimney. One end of the water outlet pipe is connected into the water pool, and the other end of the water outlet pie is installed at the bottom of the water collection tank. According to the environment-friendly waste incinerator, smoke generated after waste combustion can be cleaned, emission of harmful smoke is reduced, and pollution to air caused by waste combustion is reduced.
Owner:都安瑶族自治县计量检定测试所
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