35results about How to "Low management fee" patented technology

The invention relates to a plant restoration technology for heavy metal-contaminated soil, specifically to a method for repairing heavy metal-contaminated soil by using oilseed rape-oil sunflower crop rotation technology. The method overcomes the problems of seasonal restriction, slow growth, low biomass of an overground part, low total absorption and accumulation amount of heavy metals, tolerance and enrichment capability to only one single heavy metal, bad economic benefits and poor comprehensive effects in practical application of plants used in conventional heavy metal-contaminated soil restoration technology. According to the method provided by the invention, oilseed rape and oil sunflower are planted in soil contaminated by compound heavy metals according to the natural growing periods of the oilseed rape and the oil sunflower, and conventional cultivation is carried out; the oilseed rape and the oil sunflower both grow normally in the contaminated soil, no obvious symptom of toxicity appears, and the outputs of the oilseed rape and the oil sunflower are not affected; and since the biomass of the overground parts of the oilseed rape and the oil sunflower is great, a great amount of various heavy metals can be absorbed and accumulated, and in particular, the contents of Cu, Zn, Cd and Hg in the plants of the oilseed rape and the oil sunflower are obviously higher than soil background values, reaching an enrichment level.

The invention provides an on-site assembling type extending arm combined node, which is adapted to the big-span, high-rise and heavy-load development of a modern engineering structure and the requirement of enduring a mal-condition. The on-site assembling type extending arm combined node comprises a steel tube concrete column, H-type girder mounting plates for extending arms, outer base plates for the extending arms, an H-type girder, and the like. Two H-type girder mounting plates for the extending arms are welded on the steel tube concrete column; cross-shaped node H-type girder mounting plates for the extending arms, T-shaped node H-type girder mounting plates for the extending arms, straight node H-type girder mounting plates for the extending arms and L-shaped node H-type girder mounting plates for the extending arms are respectively selected according to different node forms of a central column of a middle frame, a side pillar of the middle frame, the central column of a side frame and the side pillar of the side frame; and the H-type girder is assembled on site. The on-site assembling type extending arm combined node has the effects and advantages of high bearing capacity, excellent plasticity and toughness, convenience in construction, better fire resistance, excellent economic effects and beautiful and safe nodes and meets the demand of industrialization of the modern construction technology.

The invention relates to a plant repairing technology of heavy metal contaminated soil, in particular to a method of repairing the heavy metal contaminated soil by utilizing turmeric, solving the problems of short plants, slow growth, low biomass, less total amount of absorbed and accumulated heavy metals, resistance and enrichment capacity to single heavy metal, poor economic benefit, poor actual application comprehensive effect and the like existing in the conventional heavy metal contaminated soil repairing technology. The method comprises the following steps of: directly planting the turmeric in the heavy metal compositely contaminated soil and performing conventional cultivation. The turmeric can normally grow in the contaminated soil, has no obvious poisoning symptoms and dose not affect the root tuber saponin content in the turmeric; the root system of the turmeric is developed, the biomass is large, and a large amount of various heavy metals can be absorbed and accumulated; and particularly, the contents of heavy metals Zn and Cd in fibrous roots are obviously higher than a soil background value to achieve the level of super enrichment. The method has the advantages of simple cultivation, low management cost, capability of benefiting from one-time planting for many years, extremely high medicinal value and capabilities of preventing the heavy metals from reentering a food chain and gaining certain economic income during contamination treatment.

The invention discloses a rotating RTO. The rotating RTO comprises a thermal oxidation chamber, a rotating regenerative chamber, a rotating valve, a motor, an oxygen supplementing draught fan, an exhaust gas fan, a combustion-supporting burner, a flame arrester, a G-G heat exchanger and a chimney; the rotating regenerative chamber is arranged on the lower portion of the thermal oxidation chamber;the rotating valve is arranged on the lower portion of the rotating regenerative chamber; the motor is arranged on the lower portion of the rotating valve; the flame arrester is arranged on the left side of the rotating valve; the exhaust gas fan is arranged on the left side of the flame arrester; the oxygen supplementing draught fan is arranged on the upper portion of the exhaust gas fan; the combustion-supporting burner is arranged on the right side of the oxygen supplementing draught fan; the G-G heat exchanger is arranged on the right side of the thermal oxidation chamber; and the chimneyis arranged on the right side of the G-G heat exchanger; heat of a combustion chamber is fully utilized, on one hand, the heat is transmitted to a heat accumulator to preheat exhaust gas, and the heatefficiency is improved; and on the other hand, after high temperature flue gas and low temperature flue gas going out because of heat release of the regenerative chamber are mixed, mixed gas enters the G-G heat exchanger, hot air is recycled, the dual effects of energy conservation and environment protection are achieved, and the exhaust gas treatment efficiency reaches 99%.

A carbon dioxide management system and method are disclosed. The carbon dioxide management system, according to one embodiment of the present invention, comprises: a carbon dioxide injection line for supplying, to a carbon dioxide storage, carbon dioxide temporarily stored in a carbon dioxide storage tank; a booster pump, a vaporizing apparatus, and a heating apparatus disposed in the carbon dioxide injection line; and a carbon dioxide recycling means for recycling the carbon dioxide stored in the carbon dioxide storage tank so as to maintain a constant pressure in the carbon dioxide storage tank when the carbon dioxide is supplied to the carbon dioxide storage.

The invention belongs to the technical field of shafts for coal mine, and particularly discloses a method for preventing a shaft from cracking on an automatic supply water loss layer water level of an alleviation water-bearing layer. The method comprises a structure of an automatic supply water drill hole and a method, wherein the automatic supply water drill hole and the upper group of water-bearing layer are corresponding provided with a set of drain pipes (bridge-type flower pipes), a middle water separating pipe section is a solid pipe, a set of water filling pipes are corresponding arranged on the middle and lower groups of water-bearing layer, and the bottom is a sand setting pipe; the water of the alleviation water-bearing layer enters into water filling holes through gravels and the drain pipes arranged at the periphery of the drill hole, the water fills a water loss layer through the water filling pipes of the water loss layer under the action of the water level differential pressure, and a purpose that the water supply can stabilize the water level is achieved, gushing sands in a water supply process precipitates the bottom sand setting pipe, the water filling pipe is prevented from plugging, the water filling effect is guaranteed, and a condition that the water level falls so as to cause the transformation and crack of the well wall is reduced and eliminated.

The present invention relates to a method for vehicle exit management in a parking system including a parking information display terminal installed on the outside of a parking tower and a parking management information processing device capable of data-communicating with the parking information display terminal, the method comprising the steps of: receiving corresponding vehicle information recognized by an RF card of a vehicle which stops at the entrance of the parking tower from the parking information display terminal by the parking management information processing device; receiving exit standby reservation information from a customer terminal of a vehicle parked in the parking tower by the parking management information processing device; configuring an exit standby turn of a vehicle parked in the parking tower according to the sequence at which the parking management information processing device has received the exit standby reservation information and the reserved exit time; generating exit standby information using the configured exit standby sequence and the vehicle information by the parking management information processing device; and notifying the generated exit standby information to the customer terminal or the parking information display terminal by the parking management information processing device, thereby eliminating inconvenience of mechanical parking tower parking.

A carbon dioxide management system and method are disclosed. The carbon dioxide management system, according to one embodiment of the present invention, comprises: a carbon dioxide gas line which is connected to an upper part of a carbon dioxide storage tank and via which gaseous carbon dioxide travels; a carbon dioxide liquid line which is connected to the carbon dioxide storage tank and via which liquid carbon dioxide travels; a line combining unit to which the carbon dioxide gas line and the carbon dioxide liquid line are connected, so that the gaseous carbon dioxide and the liquid carbon dioxide are mixed; and a carbon dioxide liquefier which is connected from the line combining unit and which is for liquefying the gaseous carbon dioxide.

The invention discloses a once mounting, locating and constructing method for a steel ladder outside a concrete silo following sliding mould construction. A construction process comprises the following steps of: leaving an upper inlet on a sliding mould operating platform of the concrete silo and fixing an upper end of a prepared tool type pulling steel ladder on a sliding mould enclosed ring; after sliding the sliding mould operating platform to a preset height during a concrete silo construction process, welding an engineering steel ladder on an outer wall of the concrete silo; and then hanging and welding the tool type pulling steel ladder on the engineering steel ladder; and repeating the steps till completely constructing. According to the method provided by the invention, rental feeof materials about ** Yuan can be saved, the cost of purchasing a safety net foot plank about ** Yuan can be saved, the cost of assembling and disassembling a riding track tower about ** Yuan can be saved, the cost of materials about ** Yuan can be saved, the cost of disassembling a needed machine matched with a tower crane or truck crane about ** Yuan per day can be saved, and the cost of a mounting machine of the steel ladder about ** Yuan can be saved. Totally, the cost about ** Yuan can be saved, a construction period can be reduced by two days, and the method is practical and economical as well as safe and has remarkable composite economic benefits.

The invention provides a method for improving the soil cadmium removal capability of tobacco by use of a fertilization and harvesting technology. The method comprises the following steps of: transplanting tobacco seedlings to heavy metal cadmium contaminated soil according to a natural growing period of the tobacco seedlings, performing conventional cultivation, applying additional fertilizers during a vigorous growing period, and harvesting tobacco after the tobacco seedlings are mature; and performing conventional cultivation again, and applying additional fertilizers so as to promote growth of regenerated tobacco, so that the cadmium absorption and enrichment capability is improved by virtue of application of additional fertilizers and the growing process of regenerated tobacco, and thus the purpose of removing excessive cadmium in soil is achieved. The tobacco seedlings can grow normally in cadmium contaminated soil without obvious toxic symptoms and influence on tobacco yield, and the tobacco seedlings can be regenerated; furthermore, the overground part of the tobacco is large in biomass, so that a large amount of heavy metal cadmium can be absorbed and accumulated. The method provided by the invention is relatively simple in cultivation and low in management cost; harvesting can be performed twice through once planting; tobacco has relatively high protein content; after being treated, tobacco can serve as a feed, and heavy metals can be prevented from entering a food chain again by virtue of a utilization mode of the tobacco, so that certain economical benefits can be achieved while pollution is treated.

The invention relates to a phytoremediation technology of heavy metal contaminated soil, and solves such problems as incapability of harvesting plants by many times, season limitation, slow growth, low ground biomass, low total quantity of absorbed and accumulated heavy metal and no possession of better economic benefit in a traditional heavy metal contaminated soil repair technology. The method comprises the following steps: ixeris denticulata is planted in heavy metal compound contaminated soil according to natural growing season for routinely cultivating. No obvious poison symptom is generated; the output of ixeris denticulata is not influenced; the ground biomass is high; 4-6 times of clipping can be performed in the growing season without influencing the growing speed; a lot of various heavy metal can be absorbed and accumulated; and the content of the heavy metal in plants is obviously higher than the background value of heavy metal in soil, and heavy metal in the plants reaches an enrichment level. The method is simple in cultivation; the ixeris denticulata, as conventional grass, is higher in economic value, and is detoxified to prevent the heavy metal from entering a food chain again; and the abundant economic incomes can be obtained while the pollution is treated.

The invention relates to a building component and a production method thereof, in particular to a production construction method of electromechanical integrated bare concrete beams and columns. The production construction method specifically comprises the steps of assembling and treating a die; limiting to install, and laying a pipeline; vibrating and forming concrete; maintaining and demolding; and performing surface treatment on the component. Compared with a traditional production method of concrete beams and columns, the method has the advantages that a production die plate of the electromechanical integrated bare concrete beams/columns is convenient to assemble and is simple to operate, the quality of bare concrete is guaranteed, decorative materials are not needed on surfaces, and only protective layers need to be sprayed for use, so that the economic benefits are increased; a die plate seam and node control scheme is reasonably designed, so that the phenomena of mortar leakage,die expansion and the like can be reduced, the demand of a user can be preferably met, and the automation level of the production method is high; and in the production mode of the electromechanical integrated concrete beams/columns, high efficiency, high quality and economy of product production are guaranteed, the onsite management investment is reduced in the uniform production mode, and the management process is simplified and cannot be compared with a traditional process.

The invention discloses an intelligent contract power grid system based on a blockchain technology. The intelligent contract power grid system comprises a user connection module, an intelligent contract execution module, a blockchain support module and a power grid connection module; the user connection module is used for providing a unified interface for a user, so that the user can interact withthe intelligent contract in the intelligent contract execution module in a completely same data interaction mode; the intelligent contract execution module is used for executing an intelligent contract; and the block chain support module is used for providing a unified interface for accessing block chain data for the intelligent contract in the intelligent contract execution module, and the powergrid connection module enables the power grid to interact with the intelligent contract in the intelligent contract execution module in a completely same data interaction mode. Based on the intelligent power grid platform of the block chain technology, the system can realize data security of the user, data can be ensured even if the user data is transmitted in a public network, and the high management cost caused by centralized data management and data transmission by using a special line is saved.

The present invention provides a tube lamp and its manufacturing method which allow a lighting circuit and a shell to be easily and reliably connected together, which enable automation of a step of connecting the lighting circuit and the shell together, and which require low costs while achieving a high production efficiency. The tube lamp includes a case (2) having a shell (9) at an end thereof, and a lighting circuit (5) housed in the case (2) and having a printed circuit board (12) with a circuit part (13) mounted thereon, wherein the shell (9) and the lighting circuit (5) are connected together without leads.