46results about How to "Will not affect the ecological environment" patented technology

The present invention discloses a vegetation slope protection method including the following steps: firstly, mixing 250 g of plant fiber materials, 750 g of organic matters, cement, 4000 g of soil, 50 g of fertilizers, 1 g of water-retaining agent, and 2240 g of water, adding cement in an amount of 0 to 20% of the total weight of the above all components, and stirring evenly to obtain a slope protection medium mixture; then moulding the slope protection medium mixture and placing the mixture on a vibration table for compact moulding, after moulding, placing the mixture on a standard curing room for maintenance, after maintenance for three days, demoulding and soaking the mixture in a sealed environment till an age to obtain slope protection medium bricks; lastly, placing the slope protection medium bricks on a slope surface needed to be maintained, then according to the common method, sowing grass seeds, irrigating and maintaining. The method provided by the present invention solves the problem of slope protection, meanwhile can not affect the ecological environment, is simple in operation and can be spread easily.

The invention relates to the technical field of pesticides and discloses acaricide and a preparation method thereof. The acaricide is prepared from the following raw materials in parts by weight: 5 to 10 parts of Canada goldenrod volatile oil, 6 to 11 parts of eupatorium adenophorum extracting liquid, 3 to 6 parts of pistacia chinesis bunge, 15 to 30 parts of daucossterol, 4 to 12 parts of semen torreya, 2 to 10 parts of Chinese prickly ash, 2 to 7 parts of abamectin, 10 to 30 parts of spirodiclofen, 30 to 40 parts of a solvent, 10 to 15 parts of a co-solvent and 1 to 10 parts of an anti-freezing agent. The acaricide provided by the invention has the advantages of low toxicity, environment protection, wide acaricidal spectrum, long lasting period and capability of effectively alleviating drug resistance; invasive species are comprehensively utilized and wastes are changed into valuable things; the acaricide can be used for agricultural prevention and treatment of harmful acarids.

The invention provides a device for online monitoring the temperature of a contact of substation equipment, and belongs to the technical field of devices for monitoring the temperature of the substation equipment. In order to solve technical problems, the invention provides a device for conveniently monitoring the temperature of the contact of the substation equipment. According to the technical scheme, the device comprises a cross-district monitoring master station computer, monitoring center computers, bus gateways, temperature collectors and passive wireless temperature sensors. The cross-district monitoring master station computer is installed in a cross-district monitoring master station, the monitoring center computers are installed in a substation monitoring center, the bus gateways are installed in a distribution room, the temperature collectors are installed on a switch cabinet, and the passive wireless temperature sensors are installed on the surface of a monitored element. The cross-district monitoring master station computer is connected with the multiple monitoring center computers which are connected with the multiple bus gateways, the bus gateways are connected with the multiple temperature collectors through communication buses, and the temperature collectors are connected with the multiple passive wireless temperature sensors through a wireless radio frequency network. The device is suitable for power supply departments.

The invention discloses an alarm temperature threshold value judging and alarming method based on a passive wireless temperature measuring device. The method includes the steps of determining an alarmtemperature threshold value of the passive wireless temperature measuring device by taking the current environment temperature into consideration according to the historical collected temperature data of the passive wireless temperature measuring device and historical meteorological data of the place where the device is located, and conducting alarm prompt based on the temperature information data acquired by the current passive wireless temperature measuring device to achieve the purpose of rapidly finding out abnormal points and eliminating the potential risk. The method overcomes the defects that an alarm temperature threshold value of the passive wireless temperature measuring device is set by experience, is fixed and inaccurate, and that a common active temperature measuring device cannot work and cannot be replaced timely after power failure. The reliability of analyzing data sources is improved.

The invention relates to the technical field of pesticides and discloses a bactericide and a preparing method thereof. The bactericide comprises, by weight, 5-10 parts of solidago canadensis volatile oil, 6-11 parts of validamycin, 3-5 parts of welsh onion, 15-30 parts of licorice, 3-14 parts of purslane, 2-10 parts of Chinese prickly ash, 2-7 parts of bitertanol, 25-41 parts of a solvent, 11-16 parts of a cosolvent and 2-12 parts of an antifreezing agent. The bactericide has advantages of low toxicity, environment protection, a wide bactericidal spectrum, a long duration period and capability of effectively delaying drug resistance and is used for crop disease control in agriculture.

The invention relates to a proposal of a large power underwater constant-pressure power storage station, which comprises an energy conversion device, an electricity generation control device, conduit cables and underwater power storage pin groups. The energy conversion device, under the automatic control of the electricity generation control device, can convert the electricity energy or the renewable energy into the compressed air energy, and then transmit the air energy to the underwater power storage pin groups for storage through the conduit cables; or under the automatic control of the electricity generation control device, the compressed air energy stored in the underwater power storage pin groups can be converted into the electricity energy. The proposal of the invention is characterized in that firstly the surplus electricity at night and various renewable energy sources can be stored in a large amount in the long term; secondly, the outputted air pressure is constant and the energy utilization is complete; thirdly, the storage scale can be large or small, therefore, the power storage station is widely applicable to water areas and occupies less land; fourthly, the construction cost and the maintenance cost are low, the construction period is short while the service life is long; fifthly, the station can automatically shift and float and is not liable to the environmental influence and man-made damage under the water.

The invention discloses a method for manufacturing sound-absorbing building material. The method comprises the steps of adopting plants as raw material, adopting a fireproof environment-friendly gelling agent as coagulant, drying the plants, grinding 10 to 30 portions of dried plants by weight, cutting 90 to 70 portions of the dried plants into strips 2 to 20 centimeters long, mixing 20 to 45 portions of the coagulant with the ground plants and the strip-shaped plants, obtaining a mixture, putting the mixture into a die in the shape of a building block or a plate, and making the solidified mixture into the sound-absorbing building material which contains irregular staggered pores and is in the shape of the building block or the plate. The method has the advantages of low manufacturing cost, no destruction of land resources, no influence on ecological environment, good sound-absorbing effects, light weight and waste recycle. The plate-shaped sound-absorbing building material manufactured by the method is particularly suitable to be used as decoration material for partition boards, floors and ceilings of buildings.

The invention discloses a mineral processing process capable of producing high-end chemical-stage chromite concentrates. The process uses a method of combining the magnetic reconnection process with the stage-grinding and stage-concentration to achieve sorting of the high-grade chromite, and the process comprises following steps that a, raw ore is subject to rough grinding through a rod mill, andstrong magnetic tailings discharging is carried out; b, the mass concentration of strong magnet rough concentrate ore pulp is concentrated to 50% to 60%; c, the concentrated ore pulp is subject to fine milling through an ISA mill, and two-time strong magnetic selection is carried out; d, high magnetic concentrates and middlings are subject to repeated grading through a yunnan tin table concentrator, and a final product is obtained. The high-quality chromite concentrates with the Cr2O3 content larger than or equal to 60% and the impurity SiO2 content smaller than or equal to 1.5% and capable ofmeeting the high-end chemical industrial chromium compound producing needs are obtained, the chromite recycling rate is ensured, the process flow is simple, the production cost is low, a chemical flotation agent does not need to be added, the pollution to the environment is small, the higher economic benefits and social benefits are achieved, and the process is worth of applying and popularizing.

The invention relates to a method of constructing an ecological revetment for intensively intercepting and clearing non-point pollution based on organisms, which comprises the steps of investigating hydrologic conditions of a river, determining non-point pollution load and hydraulic retention time of a riparian zone in a unit length, analyzing characteristics of the non-point pollution along the river, screening a high-efficiency bacterium which can efficiently remove the non-point pollution or constructing gene engineering bacteria capable of removing nondegradable organic pollutants, constructing hollow hexahedral ecological revetment members, and growing plants in the members, thereby constructing the ecological revetment. Compared with the prior art, with the adoption of the method, the non-point pollution, particularly the nondegradable organic pollutants, can be removed effectively, the river pollution load can be decreased, potential ecological risks of the non-point pollution to a river ecosystem are reduced, and local raw materials are utilized to improve the environmental compatibility of the members, so that good habitat conditions are provided for the growth of microbial communities and vegetations at the riparian zone, and the mechanical stability of the riparian zone is improved.

The invention discloses a recombined bamboo indoor door which has a simple structure, is environmentally-friendly, is firm and durable and is difficult to deform. The recombined bamboo indoor door is composed of a core plate and a framework, wherein tenons of which the shapes of the longitudinal sections are like the shape of the longitudinal section of a copper clock are arranged on the peripheral end faces of the core plate; the framework is connected with the core plate through tenon holes which are formed in the end faces on the inner side of the framework and have longitudinal section shapes correspond to the shapes of the tenons on the core plate; and the framework is formed by connecting a transverse rim and a longitudinal rim, wherein two ends of the transverse rim are provided with two tenon holes and one tenon respectively, and the end faces on the inner sides corresponding to the two ends of the longitudinal rim are provided with two corresponding tenons and one corresponding tenon hole respectively.

The invention discloses a biological-physical control method for spartina alterniflora. The method comprises the following steps: a, a physical covering stage: covering and fixing a plastic shading net on a mud flat on which the spartina alterniflora grows, and entering the next stage after the growth of the spartina alterniflora is suppressed and the above-ground biomass is reduced by more than 45 percent; b, a biological substitute stage: planting pagatpats, kandelia candel, Tung blossoms, Acanthus ilicifolius and acrostichum aureum seedlings in holes in the plastic shading net, and blocking the mud flat for maintenance. On the basis of the physical coverage measure, a biological substitute technology is introduced, long-time and effective comprehensive treatment on the spartina alterniflora is realized; the biological-physical control method has the advantages of easiness in operation and low cost; meanwhile, the real aim of 'grass cultivation and forest planting' can be fulfilled.

The invention relates to a hydroelectric generation set, relates to the technical field of hydroelectric generation and provides solution to lowering influence on original river beds. The hydroelectric generator comprises a plurality of hydro-generators and a plurality of diversion pipes sequentially disposed from top to bottom in stairs form. Each diversion pipe inclines towards horizontal plane, an upper opening of each diversion pipe serves as a water inlet, and a lower opening of each diversion pipe serves as a water outlet. Each hydro-generator is disposed between each adjacent two of upper and lower diversion pipes, the upper diversion pipe serves an upper diversion pipe for the hydro-generator, and the lower diversion pipe serves as a lower diversion pipe for the hydro-generator. A water inlet of each hydro-generator is connected to a water outlet of the corresponding upper diversion pipe, and a water outlet of each hydro-generator is connected to a water inlet of the corresponding lower diversion pipe. The water inlet of each hydro-generator is at least 10m lower than the water outlet of the corresponding upper diversion pipe, and the water outlet of each hydro-generator is higher than or level to the water inlet of the corresponding lower diversion pipe. The hydroelectric generation set is applicable to rivers more than 10m in upstream and downstream drop.

The invention discloses an ecological concrete with low manufacturing cost and a preparing method of the ecological concrete.The ecological concrete with low manufacturing cost is prepared from silty soil, cement, a water reducing agent, a thickening agent and water at the mass ratio of 1000:(120-200):5:0.02:(320-460).Coastal silty soil and mixing water are weighed according to the mass ratio and put into a stirring machine to be stirred, and the silty soil is fully mashed and liquefied; cement and an additive are added into the fully-liquefied silty soil and stirred, and then newly-stirred cement soil is obtained; the newly-stirred cement soil is added into a mold and cured for 7 days with a common concrete curing method, and the formed ecological concrete with low manufacturing cost is obtained.The coastal silty soil with fine particles improves the workability and strength of the concrete.According to the ecological concrete, the coastal silty soil serves as the main ingredient, a small quantity of gelling materials and the additive are added, nearby sea water serves as the mixing water, and thus the material cost is greatly reduced; the ecological concrete can be used for channel and slope protection in coastal enclosing districts to increase the land utilization rate, and can also be widely applied to other coastal and field roadbed construction.

The invention discloses a construction method for ecological restoration of riparian vegetation of mountain rivers. The method includes the following steps: (1), for restoration of aquatic vegetation, dispersedly planting potamogetonaceae and hydrocharitaceae submerged plants high in washing-out resistance in a project region; (2) for restoration of riverway rock and boulder vegetation, planting wetland plants strong in washing-out resistance in rock and boulder regions and the like in a riverway in the project region; (3) for restoration of waterfront plants, planting emerging plants and aquatic plants with washing-out resistance and deep roots between the riparian normal water level and the two-year flood level in the projection region; (4) for restoration of riparian vegetation, planting waterlogging-tolerance trees and shrubs of juglandaceae, betulaceae and the like between the two-year flood level and the 20-year flood level in the project region, and planting gramineae and cyperaceae herbaceous plants with deep roots in ground covers. By the method, the ecological problems about riparian water and soil erosion, weak river's self-purification capacity, sharp decline in biodiversity and the like are solved effectively, feasible and effective ecological remediation measures are provided for natural restoration and reconstruction of river banks and riverways.

The invention relates to a proposal of a large power underwater constant-pressure power storage station, which comprises an energy conversion device, an electricity generation control device, conduitcables and underwater power storage pin groups. The energy conversion device, under the automatic control of the electricity generation control device, can convert the electricity energy or the renewable energy into the compressed air energy, and then transmit the air energy to the underwater power storage pin groups for storage through the conduit cables; or under the automatic control of the electricity generation control device, the compressed air energy stored in the underwater power storage pin groups can be converted into the electricity energy. The proposal of the invention is characterized in that firstly the surplus electricity at night and various renewable energy sources can be stored in a large amount in the long term; secondly, the outputted air pressure is constant and the energy utilization is complete; thirdly, the storage scale can be large or small, therefore, the power storage station is widely applicable to water areas and occupies less land; fourthly, the construction cost and the maintenance cost are low, the construction period is short while the service life is long; fifthly, the station can automatically shift and float and is not liable to the environmental influence and man-made damage under the water.