51results about How to "Increase net income" patented technology

The invention discloses a capacity allocation method for improving frequency modulation performance of a power plant. The method comprises proposing a specific calculation method of the indexes such as the adjusting rate, the adjusting precision and the response time according to the evaluation indexes of AGC in the two detailed regulations; proposing energy storage, charging and discharging strategies for improving various indexes of the frequency modulation in different stages; calculating the income of energy storage participating in the frequency modulation of the power plant; calculatingthe cost of energy storage participating in the frequency modulation of the power plant, and meanwhile, considering the influence on the service life of the energy storage frequent action; establishing an energy-storage frequency-modulation economical model; taking the maximum net income as a target function and calculating the energy storage capacity with the largest net income by adopting a differential evolution algorithm. According to the method disclosed by the invention, the Kp value can be calculated more accurately, the foundation is laid for the subsequent charge and discharge strategy making and effectiveness calculation, and the AGC performance of the power plant can be remarkably improved, the corrected service life is brought into an energy storage cost item, and the differential evolution algorithm is adopted to calculate the optimal capacity and the maximum net income of the system configuration energy storage.

The invention belongs to the technical field for ecological recycling of agricultural and sideline products, and particularly relates to a high-efficiency ecological recycling system of maize straw and the technological process. The maize straw is obtained from maize planting bases, and is crushed by a maize straw processing apparatus, and then is briquetted to prepare solid fuel or to provide to a winery for fermentation by yeast, so as to prepare wine and obtain ethanol fuel, lees and the produced maize, which are provided to a livestock and poultry farm for feeding livestock and poultry, the excrement of livestock and poultry is used in a fish farm and earthworm farm and put into a biogas generator, so as to provide clean gas fuel for the winery and life of people. Meat of livestock and poultry, eggs and fish are the organic foods in life of people, earthworm is used as feed of fish and poultry, the excrement of earthworm is returned to farmland, earthworm can loosen soil so as to improve the fertility of soil and the yield of maize. Thus, a benign ecological recycle system is formed, a circulating economical industrial chain of ecological agriculture is formed, and zero release is realised in the process of treating the maize straw. The invention fundamentally solves the problem of difficult market sale and greatly improves the net incomes of enterprises and farmers.

The invention discloses a micro-grid energy storage optimization configuration method based on a particle swarm algorithm. The method comprises the following steps: firstly designing a battery energystorage system model; preprocessing the daily load data, the photovoltaic power generation data and the time-of-use electricity price data of micro-grid users to obtain energy storage capacity, powerand investment cost parameter constraints; establishing an energy storage optimal configuration model: establishing the energy storage optimal configuration model by taking the lowest investment and the maximum income of the energy storage device as target functions, and considering constraint conditions including renewable resource power generation, power balance and the number of times of charging and discharging; solving the energy storage optimization configuration model by using the particle swarm algorithm; and finally, evaluating the characteristic indexes, and calculating energy storage optimization parameters to obtain the final micro-grid energy storage optimization configuration method. According to the invention, the problem that the optimal configuration of the micro-grid energy storage system in the prior art cannot consider the energy storage configuration, the operation optimization and the load influence at the same time is solved.

The invention discloses a protective cultivation method of a tea garden and belongs to the technical field of horticultural plant cultivation. The method comprises the steps of applying mulch to the tea garden with straw plants or growing plants or combination of straw plants and growing plants in May, and ditching between lines of tea trees before the mulch and applying base fertilizer mixed by farmyard manure, potassium sulphate for agricultural use, regular calcium superphosphate and urea; and applying urea in small holes near the tea trees once in May of the next year. According to the protective cultivation method of the tea garden, contents of organic matter, soil alkali-hydrolyzable nitrogen, available phosphorus and available potassium in top soil are improved fast after three months, soil acidity is adjusted, soil environment is improved, the water content of soil is greatly improved, water and soil loss is reduced, tea quality is improved, the soil structure in the tea garden is changed, the fresh leaf yield ratio is increased by 11.3-15.6% comparatively, income is increased, and protective cultivation and sustainable development of the tea garden are achieved.

The invention belongs to the field of power system dispatching, and particularly relates to an electric heating system optimal dispatching method considering unit deep peak regulation for insufficientsystem peak regulation capacity. The method comprises: firstly, according to a compensation mechanism of a peak regulation auxiliary service market, constructing an income and cost model of thermal power generating units participating in deep peak regulation; secondly, with the minimum total scheduling cost of unit coal burning, peak shaving additional cost and starting and stopping cost as the target, establishing a thermoelectric combined optimization dispatching model comprising a thermoelectric unit, a thermal power unit, wind power and a heat storage device; and using the matlab and theyamlip for combined solution, so that the economy of the scheduling scheme when the peak regulation capacity of the electric heating system is insufficient is analyzed from the wind power plant, the deep peak regulation unit and the social level. According to the method, the deep peak regulation capacity, the deep peak regulation compensation income and the additional cost of the unit are considered, and the peak regulation unit model is applied to the electric heating system containing wind power, so that the peak regulation potential of the system is improved, and the consumption of new energy sources such as wind power is effectively promoted.

The present invention provides a planting method for interplanting young eucalyptuses and peanuts. The planting method comprises the steps of: selecting interplanting parcels; selecting eucalyptus and peanut varieties suitable for interplanting; when relative soil moisture content reaches over 70% and an average temperature is stabilized at 12 DEG C-18 DEG C, interplanting the eucalyptuses and peanuts, and interplanting the eucalyptuses and peanuts with a line space ratio of 1:(4-6), wherein the distance between the eucalyptus and peanut is at least 40 cm; carrying out fertilizing management; and carrying out field management and tending. By adopting the technical scheme of the invention, the nutrients of soil can be effectively increased, the soil fertility can be improved and the growth of eucalyptus seedlings can be accelerated; the major pest and disease harm indexes of peanuts are reduced, the occurrence of peanut pests and diseases and increases is reduced, and the peanut yield and interplanting income are increased; and the micro-ecological environment of the soil is improved, the application amount of pesticides and fertilizers is reduced and sustainable development of interplanting eucalyptuses and peanuts is accelerated.

The invention discloses a method for cucumber hybrid seed production by honeybee pollination in a net room, and belongs to the technical field of crop hybrid seed production. The method comprises that: insect preventing gauze is used to erect an isolation net room, and the net room has the floor area of more than or equal to 200m<2> and the height of more than or equal to 2.5m; a cucumber inbred line of a female line is taken as a female parent and a cucumber inbred line is taken as a male parent; a row ratio of the male parent to the female parent is 1:3; Apis mellifera ligustica Spinola is used for pollination; when the floor area of the net room is more than or equal to 200m<2> and less than 667m<2>, a bee hive is put in the net room and 4 to 6 combs exist in the bee hive, wherein each comb has 1 to 3 brood combs; and when the floor area of the net room is more than or equal to 667m<2>, 1 to 2 bee hives are put in the net room and 6 to 8 combs exist in each bee hive, wherein the brood combs are more than or equal to 3, and the period of pollination is 20 to 30 days. The method improves per mu yield of seeds by 42 percent, reduces manpower by 50 man-day/mu and improves net income by 81 percent compared with hand pollination in open field, and improves per mu yield of the seeds by 22 percent, reduces manpower by 33 man-day/mu and improves net income by 36 percent compared with hand pollination in the net room.

The invention discloses a capacity configuration method, device and equipment for energy storage participating in peak regulation based on a double-layer model and a computer readable storage medium.The method comprises the steps of: constructing a first-layer optimization objective function with the maximum net income in the whole life cycle of an energy storage system as the objective, and setting constraint conditions; constructing a second-layer optimization objective function by taking the minimum sum of the per-unit value of the wind curtailment electric quantity in the scheduling day and the per-unit value of the net load peak-valley standard deviation as an objective; constraining the first-layer optimization objective function by using a constraint condition, and obtaining a corresponding to-be-selected configuration scheme according to the first-layer optimization objective function; and screening the plurality of to-be-selected configuration schemes according to the second-layer optimization objective function, and determining an optimal configuration scheme of the energy storage system. According to the technical scheme, when the energy storage system participates in peak shaving, a good peak shaving effect can be achieved, good net income can be obtained, and therefore the rationality and accuracy of energy storage system configuration are improved.

The invention discloses a southwest hilly area dry land purple potato cultivation method, and relates to the technical field of crop cultivation. The southwest hilly area dry land purple potato cultivation method specially includes: deeply plowing land before sowing, and applying compound fertilizer on a base of the land; sowing purple potato seeds with bud eyes after disinfecting the purple potato seeds with the bud eyes; laying a drip irrigation belt among rows of a ridge side, covering the drip irrigation belt with a black mulching film, and confirming irrigation frequency according to conditions of a water source; under the condition of needing irrigation once, irrigating the land in a squaring period; under the condition of needing the irrigation twice, respectively irrigating the land in a seedling emergence period and the squaring period; under the condition of needing the irrigation thrice, respectively irrigating the land in the seedling emergence period, the squaring period and a blooming period; under the condition of needing the irrigation for four times, respectively irrigating the land in the seedling emergence period, the squaring period, the blooming period and a mature period; keeping the irrigation amount once within a range from 15 cubic meters to 20 cubic meters, and keeping drop irrigation time once within a range from 6h to 8h; spraying 0.3% monopotassium phosphate on leaf surfaces of the purple potatoes in a tuber expansion period of the purple potatoes. The southwest hilly area dry land purple potato cultivation method adapts to ecological conditions and an existing planting technology of the Sichuan hilly area dry land, and observably improves a yield, quantity and income of the purple potatoes in the Sichuan hilly area dry land.

The invention discloses a harvesting machine for ginseng, in particular for chuanminshen violaceum, belonging to the field of agricultural machinery. The chuanminshen violaceum harvesting machine comprises a power transmission system, a digging system, a transmission system and a collection system. The power transmission system comprises a transfer transmission system and a digging transmission system, the digging transmission system is matched with a power output shaft, a main transmission shaft, a coupling, a bevel gear III, a bevel gear I, an output shaft I, a drive belt pulley, a V-shaped belt, a driven belt pulley and other key components to transmit power to a transmission shaft of a conveyor belt. Power is transmitted by the digging transmission system to transmission shafts of disc plows under supporting effects of an output shaft II, a transmission gear I and a driven gear II. The chuanminshen violaceum digging system consists of six disc plows and digging shovels, and chuanminshen violaceum is transferred into a collection box through the transmission system. The chuanminshen violaceum harvesting machine has the advantages of compact structure, adjustable speed and wide scope of application, the problem of mechanized harvesting of chuanminshen violaceum can be solved, and the harvesting machine has great significance for fully mechanization of planting of chuanminshen violaceum and other ginseng crops.

The invention belongs to the technical field of agricultural production, and discloses a reasonable method for constructing a plough layer of plough land of a red soil slope. For the increasingly-prominent problems, of plough layer soil thinning and soil hardening, caused by unreasonable tractor-ploughing and extensive management of the plough land of the red soil slope, methods of deep scarification and optimal configuration of deep-rooted and shallow-rooted crops are adopted; for the problems, of nutrient loss and ecological environment destruction, caused by serious water and soil loss of the plough land of the red soil slope, biological trapping and protective ploughing methods are adopted; and for the problems of acidification aggregation, poor nutrients and a poor structure of red soil, methods of fast decomposition and returning to land of straw, a soil amendment and a conditioner are adopted. According to the reasonable method for constructing the plough layer of the plough land of the red soil slope, reasonable plough layer constructing technologies of red soil slope plough land plough layer thickening ploughing, plough layer thickening water conservation, plough layer nutrient activation and the like are completed, the structure of the plough layer of the plough land of the red soil slope is improved, crop yields are raised, and the net incomes of farmers are increased.

The invention relates to the technical field of power distribution networks, in particular to a wind storage combined optimization configuration method based on extension distance K-mean clustering. The method comprises the following steps: combining an extension distance theory with a K-mean clustering algorithm to perform multi-scene analysis on wind storage combined optimization configuration;establishing a wind storage combined system optimal configuration model based on multi-scene analysis, source network load collaborative optimization and differentiated demand response; and introducing the idea of a sine function and a parallel computing technology into a differential evolution algorithm, and constructing a parallel multi-objective sine differential evolution algorithm to solve the wind storage combined system optimal configuration model. The extension distance K-mean clustering algorithm provided by the invention can effectively improve the accuracy and balance of the clustering result; a scene generated on the basis of an extension distance K-mean clustering multi-scene analysis method can effectively process uncertainty of distributed wind power output and load requirements; according to the method, the PMOSDE algorithm is adopted to solve the model, and the optimization speed and the optimization depth are effectively improved through the PMOSDE algorithm.

The invention relates to a transmission, site selection and constant-volume unified optimization method considering load randomness of a wind power plant group. The unified optimization method comprises the steps of acquiring a contribution time sequence of each wind power plant of the wind power plant group; sampling a load by a Latin Hypercube sampling technology according to the randomness of the load; building a central substation positioning and power transmission capacity configuration unified optimization model capable of reflecting net yield of power transmission engineering of the wind power plant group according to power grid power transmission benefit and construction cost of a high- and low-voltage side power transmission engineering, wherein a target function is maximum net yield of the power transmission engineering of the wind power plant group; and acquiring a power transmission engineering optimization model of the wind power plant group, and obtaining a position of acentral substation, optimal outgoing line capacity from the wind power plant to the central substation and optimal power transmission capacity from the central substation and a power system. By implementing the method, the power transmission engineering of the wind power plant group is favorably and reasonably planned.

The invention discloses a fertilization method for a crop rotation planting mode of rice and vegetables. A replacement mode of reducing 20% nitrogen fertilizer and replacing the reduced nitrogen fertilizer with straw organic nitrogen fertilizer is adopted. Combination of straw returning and application of the chemical fertilizer is carried out, the application amount of the chemical fertilizer canbe effectively reduced, environmental pollution caused by excessive application of chemical fertilizer and straw burning is prevented, the ecological environment of soil is improved, and the net income of farmers is increased. Moreover, the use amount of chemical fertilizer is reduced, the soil fertility is improved, the soil nutrients are supplemented and balanced, the soil is improved, the resource utilization rate is increased, the cost is saved, the efficiency is improved, the stable yield, high yield and high efficiency of agriculture are achieved, and ecological, social and economic comprehensive benefits are brought. By adopting the fertilization method, the yield of rice is increased by 35%.