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35results about How to "Alleviate land tension" patented technology

Processing method for shortening rotation cycle of panaxnotoginseng

InactiveCN103404343APrevention and treatment of continuous cropping obstaclesShorten the crop rotation cycleHorticultureFrostNematode
The invention discloses a method for shortening a rotation cycle of panaxnotoginseng. The method comprises a first step of performing field clearing, impurity removal, exposure and frost sterilization in the harvest year; a second step of on a first year, performing soil sterilization and adjusting a soil pH value in spring, planting corn or rice after shallow plowing, performing straw burning and earth baking and deep tillage of soil and drying in the sun, and planting green manure; a third step of on a second year, performing green manure harvesting overturning pressing in spring, improving the soil, perform soil preparation to plant marigold, and in autumn enabling marigold straw to return to fields to kill underground nematodes, and performing soil preparation to plant wheat; a fourth step of on a third year, harvesting the wheat in spring and enabling the straw to return to the fields, performing soil preparation to plant upland rice, harvesting the upland rice in autumn, performing deep tillage of soil and drying in the sun, applying a soil conditioner and a continuous cropping soil correction special fertilizer, performing piling and building sheds in winter, opening an air window, performing soil preparation to form rectangular pieces of land in the fields, and planting panaxnotoginseng. According to the method, panaxnotoginseng can continue being planted in planting land parcels at an interval of three years, continuous cropping obstacles are effectively prevented, the rotation cycle of panaxnotoginseng is shortened, and the method is simple and practical.
Owner:INST OF MEDICINAL PLANTS YUNNAN ACAD OF AGRI SCI

Double pressure dry-extinguishing coke waste heat boiler

The invention relates to a dual-pressure DQC residual heat boiler that comprises a flue gas system, a high-pressure boiler barrel, a high-pressure evaporator, a high-pressure economizer, a superheater and a water-cooling wall and etc. A flue gas channel in the flue gas system is composed of a low-pressure self-deoxidizer system at the outlet of the high-pressure economizer; the low-pressure self-deoxidizer system is provided with a low-pressure evaporator; the inlet and outlet to the low-pressure evaporator are respectively connected with the low-pressure boiler barrel through a low-pressure evaporator descending pipe and a low-pressure evaporator flow riser; the lower part of the low-pressure evaporator is composed of the low-pressure economizer; the inlet to the low-pressure economizer is linked to the boiler water supply pipe; the outlet is connected with the low-pressure boiler barrel through the outlet pipe; the low-pressure boiler barrel is mounted with a deoxidizer head and a high-pressure delivery pipe; the area between the inlet and outlet to the low-pressure economizer is composed of a bypass pipeline; the bypass pipeline is provided with a circulating pump and a governor valve; the area between the low-pressure evaporator and the low-pressure evaporator descending pipe is composed of a low-pressure evaporator inlet collection tank; the area between the low-pressure evaporator and the low-pressure evaporator flow riser is composed of a low-pressure evaporator outlet collection tank. The invention effectively resolves the problems in prior arts of low heating efficiency and too much land resources.
Owner:HANGZHOU BOILER GRP CO LTD

Press-in type vertical pipe indirect-hydrodynamic force water spraying chamber composite type evaporative cooling air conditioner

The invention discloses a press-in type vertical pipe indirect-hydrodynamic force water spraying chamber composite type evaporative cooling air conditioner which comprises an air conditioner casing. An air return port and an air supply port are arranged on two opposite lateral walls of the air conditioner casing respectively. A disc type air return filter, a fresh return air mixing chamber, a vertical pipe indirect evaporation cooler, a hydrodynamic force type water spraying device and a water baffle are sequentially arranged in the air conditioner casing in the return air inlet direction. A fresh air port is arranged at the top of the fresh return air mixing chamber, and an air discharging port is arranged on the top wall of the air conditioner casing corresponding to the upper portion of the vertical pipe type indirect evaporation cooler. The press-in type vertical pipe indirect-hydrodynamic force water spraying chamber composite type evaporative cooling air conditioner achieves two-stage treatment including indirect evaporation cooling identical-wetness cooling and water spraying chamber spraying on the air, increases temperature drop amplitude, improves workshop working environment, can serve as an auxiliary cold source in the cold supply season, shortens mechanical refrigeration starting time, can completely replace mechanical refrigeration in some areas and is remarkable in energy-saving effect.
Owner:新疆华奕新能源科技有限公司

Excavation operation method for garbage heap body

The invention discloses an excavation operation method for a garbage heap body. The excavation operation method comprises the following method steps of site investigating, engineering risk eliminating, excavation operating, slope controlling, safety measuring, precipitation water diversion measuring, air diversion measuring, water filtration measuring, heap body covering, rain and pollution dividing, and sterilizing and deodorizing. According to the excavation operation method for the garbage heap body, the sufficient site investigation work is conducted before excavation, the appropriate measures are conveniently adopted to avoid risks, leachate of the garbage heap body can be effectively guided by arranging a leachate guiding and exhausting blind pit, smooth guiding of the buried air iseffectively ensured by arranging a drilling and air guiding well, and the safety of the workers is ensured; the water in the garbage is filtered by arranging a water filtering table so that transferring of the garbage is facilitated, reasonable and standardized excavation operation is conducted on a landfill, the safety risks are effectively avoided, other buildings can be reconstructed at the landfill, the reasonable disposal of the landfill can be achieved, meanwhile, the problem of urban land tension can also be solved.
Owner:安徽国祯环卫科技有限公司 +1

Equipment for culturing penaeus vannamei by saline-alkaline underground water based on factory water treatment

The invention provides equipment for culturing penaeus vannamei by saline-alkaline underground water based on factory water treatment. The scheme is implemented by the following technological means: the equipment mainly comprises a saline-alkaline underground well 1, a settling pond 2, a manganese sand filter tank 3, a filter plate I 4, an activated carbon treatment tank 5, a filter plate II 6, aworkshop treating pond 7, an aeration disc II 8, an air blower II 9, a boiler 10, a fresh water tank 11, an aeration disc I 12, a blow-off pipe I 13, a blow-off pipe II 14, a heat pipeline 15, a service reservoir 16, an air blower I 17, a bleaching powder input device 18, a sodium thiosulfate input device 19 and a potassium chloride input device 20. The equipment has beneficial effects of being reasonable and practical in design and capable of removing manganese, iron, brine bromide and the like, regulating salinity and alkalinity by adding fresh water and balancing ionic composition in water,so that aquaculture water quality meets the growing demand of penaeus vannamei. Effective development and utilization of saline-alkaline wastelands are realized, and the shortage situation of coastalfishery lands is relieved.
Owner:山东睿洋水产科技有限公司

A method for excavating a garbage dump

The invention discloses an excavation operation method for a garbage heap body. The excavation operation method comprises the following method steps of site investigating, engineering risk eliminating, excavation operating, slope controlling, safety measuring, precipitation water diversion measuring, air diversion measuring, water filtration measuring, heap body covering, rain and pollution dividing, and sterilizing and deodorizing. According to the excavation operation method for the garbage heap body, the sufficient site investigation work is conducted before excavation, the appropriate measures are conveniently adopted to avoid risks, leachate of the garbage heap body can be effectively guided by arranging a leachate guiding and exhausting blind pit, smooth guiding of the buried air iseffectively ensured by arranging a drilling and air guiding well, and the safety of the workers is ensured; the water in the garbage is filtered by arranging a water filtering table so that transferring of the garbage is facilitated, reasonable and standardized excavation operation is conducted on a landfill, the safety risks are effectively avoided, other buildings can be reconstructed at the landfill, the reasonable disposal of the landfill can be achieved, meanwhile, the problem of urban land tension can also be solved.
Owner:安徽国祯环卫科技有限公司 +1

Double pressure dry-extinguishing coke waste heat boiler

The invention relates to a double-pressure dry quenching coke waste heat boiler. It consists of a flue gas system, a high-pressure drum, a high-pressure evaporator, a high-pressure economizer, a superheater and a water wall. The flue gas channel of the flue gas system is equipped with a low-pressure self-deoxygenation system at the outlet of the high-pressure economizer, and a low-pressure evaporator is installed on the low-pressure self-deoxygenation system. The rising pipe of the low-pressure evaporator is connected to the low-pressure drum, and a low-pressure economizer is installed under the low-pressure evaporator. The inlet of the low-pressure economizer is connected to the boiler water supply pipe, and the outlet is connected to the low-pressure drum through the outlet pipe. There is a bypass pipe between the inlet and outlet of the low-pressure economizer, and a circulating pump and a regulating valve are installed on the bypass pipe; a low-pressure evaporator is installed between the low-pressure evaporator and the downcomer of the low-pressure evaporator The inlet header, the outlet header of the low-pressure evaporator is arranged between the low-pressure evaporator and the rising pipe of the low-pressure evaporator. The invention effectively solves the problems of low thermal efficiency and the need to occupy a lot of land resources in the prior art.
Owner:HANGZHOU BOILER GRP CO LTD

Processing method for shortening rotation cycle of panaxnotoginseng

InactiveCN103404343BPrevention and treatment of continuous cropping obstaclesShorten the crop rotation cycleHorticultureContinuous croppingUpland rice
The invention discloses a method for shortening a rotation cycle of panaxnotoginseng. The method comprises a first step of performing field clearing, impurity removal, exposure and frost sterilization in the harvest year; a second step of on a first year, performing soil sterilization and adjusting a soil pH value in spring, planting corn or rice after shallow plowing, performing straw burning and earth baking and deep tillage of soil and drying in the sun, and planting green manure; a third step of on a second year, performing green manure harvesting overturning pressing in spring, improving the soil, perform soil preparation to plant marigold, and in autumn enabling marigold straw to return to fields to kill underground nematodes, and performing soil preparation to plant wheat; a fourth step of on a third year, harvesting the wheat in spring and enabling the straw to return to the fields, performing soil preparation to plant upland rice, harvesting the upland rice in autumn, performing deep tillage of soil and drying in the sun, applying a soil conditioner and a continuous cropping soil correction special fertilizer, performing piling and building sheds in winter, opening an air window, performing soil preparation to form rectangular pieces of land in the fields, and planting panaxnotoginseng. According to the method, panaxnotoginseng can continue being planted in planting land parcels at an interval of three years, continuous cropping obstacles are effectively prevented, the rotation cycle of panaxnotoginseng is shortened, and the method is simple and practical.
Owner:INST OF MEDICINAL PLANTS YUNNAN ACAD OF AGRI SCI

High-turbidity water treatment device and sewage treatment system

The invention provides a high-turbidity water treatment device, which comprises a first stirrer, a flow guide cylinder, a second stirrer, a rectifying plate and a precipitation zone, wherein the firststirrer is arranged in a coagulating pool, high-turbidity water enters the coagulating pool, a nano flocculant is added, the high-turbidity water and the nano flocculant are subjected to a coagulation reaction through rapid stirring of the first stirrer, the flow guide cylinder and the second stirrer are arranged in a flocculation pool, the coagulated high-turbidity water enters the flow guide cylinder and is stirred and lifted out of the flow guide cylinder by the second stirrer, and the flocculated high-turbidity water passes through the rectifying plate and then enters the precipitation zone to be subjected to precipitation reaction and pollution discharge treatment. According to the invention, a nanoscale flocculation technology is utilized, good flocculation conditions are provided,flocculation and precipitation effects are improved, and precipitation time is shortened; and the forms of a mud scraper and a mud discharging pump are improved, the reliability of equipment is improved, and high-turbidity water can be reduced to the conventional water inlet standard under the condition that the area and the depth of a sedimentation tank are not increased.
Owner:SDIC XINKAI WATER ENVIRONMENT INVESTMENT CO LTD +1

Limestone screening device

The invention discloses a limestone screening device. According to the technical scheme, the limestone screening device is characterized by comprising a discharging cylinder, a first material conveying pipe, a dust conveying pipe and a feeding device, wherein the first material conveying pipe is arranged in the mode of leaning on the ground, the end, with the larger height, of the first material conveying pipe is connected with the discharging cylinder, the end, with the smaller height, of the first material conveying pipe is located above the feeding device, the dust conveying pipe is mountedon the side, facing the ground, of the first material conveying pipe, a plurality of filter holes are formed in the side wall, facing the ground, of the first material conveying pipe, the plurality of filter holes are uniformly distributed on the corresponding side wall of the first material conveying pipe, and a dust collecting tank is arranged below the end, close to the ground, of the dust conveying pipe. Most of powder enters the dust conveying pipe through the filter holes, then is collected through the dust conveying pipe and is sent into the dust collecting tank, so that the limestonepowder can be recycled, and the flying dust phenomenon of limestone in the subsequent crushing process is reduced; and the dust conveying pipe is obliquely arranged along with the first material conveying pipe, so that the occupied area in the horizontal direction is reduced.
Owner:安徽友邦新材料有限公司

A floating photovoltaic system support device

The invention discloses a floating type photovoltaic system bracket apparatus. The floating type photovoltaic system bracket apparatus comprises a photovoltaic panel supporting seat; the floating type photovoltaic system bracket apparatus is characterized in that the photovoltaic panel supporting seat consists of transverse beams and longitudinal beams; the two ends of the longitudinal beams are fixed on floating cylinder modules at the two ends; connecting plates are arranged on the right sides of the floating cylinder modules; connecting plate grooves are formed in the right sides of the floating cylinder modules; two fixed blocks are arranged at the two ends of each connecting plate groove; floating cylinder module connecting sleeves are arranged on the two sides of the floating cylinder modules; the two ends of the photovoltaic panel supporting seat are supported by a first floating cylinder group and a second floating cylinder group; each transverse beam of the photovoltaic panel supporting seat is provided with a photovoltaic panel back supporting frame and a photovoltaic panel front supporting frame; and photovoltaic panels are arranged on the photovoltaic panel back supporting frames and the photovoltaic panel front supporting frames. The floating type photovoltaic system bracket apparatus is novel and creative in structure; by adoption of the module spliced manner, the transport and storage become convenient and rapid, so that the working efficiency is improved; and in addition, the photovoltaic modules are arranged on a water area, so that the problem of land shortage of a photovoltaic power station is relieved to a certain degree, and the comprehensive utilization rate of the water area is also improved.
Owner:海门市创豪工业设计有限公司
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