32 results about "Rural district" patented technology

The invention provides a method which is used for extracting and preparing a black carbon adsorption material by taking plant ash as the raw material. The method comprises the following steps: firstly, a hydrochloric acid solution, the concentration of which is 0.5-2.0 mol/L, is used for processing the plant ash for 3-8 times, each time lasts for 2-6 hours, deionized water is used for fully washing after solid masses are obtained, and then the next step is carried out; secondly, the solid masses obtained in the step one are processed by a mixed acid solution containing 0.25-1.0 mol/L of hydrochloric acid and 0.25-1.0 mol/L of hydrofluoric acid for 3-8 times, each time lasts for 2-6 hours, and the deionized water is used for washing the obtained solid masses until the pH of a flushing fluid is neutral; thirdly, the solid masses obtained in the step two are dried, ground and screened, so as to obtain the more uniform black carbon adsorption material. The method of the invention provides a way for treating a great deal of surplus plant ash in rural districts; at the same time, the black carbon adsorption material obtained by the method of the invention has the advantages of fine particles, high carbon content, large specific surface area and low cost, and can be widely applicable to the adsorption removal of pollutants in various polluted waters.

The fluorine and arsenic removing water purifier consists of mainly attapulgite powder and active carbon, and is prepared through activating attapulgite powder, mixing activated attapulgite powder with active carbon in certain ratio, crushing to 80 mesh, crushing polyaluminium chloride powder to 80 mesh and other steps. The fluorine and arsenic removing water purifier has high fluorine and arsenic removing capacity, and can also eliminate inorganic heavy metal ions and polar and nonpolar organic molecules from water. The present invention may be used in purifying various kinds of surface polluted water, domestic sewage and industrial effluent, has low cost, easy use and great water treating capacity, and is suitable for rural district.

The invention discloses a reclamation method for rural residence lands on a coastal saline land region. The method includes the first step that building rubbish of the waste residence lands is cleared out; the second step that land leveling is performed on a reclamation area; the third step that water-salt control is performed, according to road planning, the treated reclamation area is divided into land blocks, new irrigation and drainage projects are constructed, and subsurface drainage pipes, water-collecting pipes and water-collecting wells are laid; the fourth step that biological improvement projects are constructed, organic fertilizer and planting green manure are applied to increase the content of organic materials and microorganisms in soil, improve the activity of the soil and complete soil reclamation of the residence lands. According to the method, the residence lands wasted in rural districts are reclaimed into cultivated lands, the utilization rate of the lands is improved, the agricultural acreage is increased, the technologies of land arrangement, water-salt control and biological improvement are organically integrated, and therefore the soil productivity of the residence land can be effectively recovered and farm land ecological environment can be improved. Thus, the reclamation method for the rural residence lands on the coastal saline land region is a practical technology method.

The invention discloses a household condition grid management mode of population social affair comprehensive service information. The household condition grid management mode is characterized in that: the concept of electronic chart is introduced on the basis of a computer management technology and a full population social affair comprehensive service information system, the electronic chart is taken as a breakthrough point and the grid is taken as a support point, so that the household condition grid management mode is realized. In the household condition grid management mode, Ajax, Flash and Flex are combined perfectly, so that the flexible and talking electronic chart with searching and positioning functions is realized. The management of an advanced electronic chart covers all urban and rural regions, resident population and mobile population, people in childbearing age and people not in childbearing age, all surface buildings and the comprehensive family planning treatment department. By adopting the household condition grid household register management mode, a new community population social affair management and service mode of not missing any house on the ground, not missing any household in the house, not missing any person in a household and not causing any fault on each item is truly realized.

The invention discloses a method for treating sewage of scattered village peasant households by aquatic animal and plant purification pond, and belongs to the technical field of environment protection. The method mainly aims at the difficult problem of water pollution caused by sewage discharge from scattered village peasant households in south rural areas of China, based on surrounding topographic conditions of villages, creeks or ponds, to which sewage of scattered peasant households is discharged, are used as treatment carriers, and by planting aquatic plants, adding benthonic animals and arranging artificial seaweeds, a purification pond based on aquatic animals and plants and artificial seaweeds is built. The treatment method can realize in-situ sewage purification without building sewage collection pipe networks and sewage treatment facilities, not only has good treatment effect and low cost of construction, but also spends no operating cost, occupies no cultivated land, is convenient to maintain and has remarkable benefit of ecological environment.

The invention discloses a method for culturing hericium erinaceus through a tobacco stem facility, belongs to an edible fungus culture method in agricultural production and simultaneously relates to agricultural facility culture. The method provided by the invention comprises the following steps of: harvesting tobacco stems; crushing into tobacco stem powder; drying; composting and fermenting; preparing a hericium erinaceus culture medium according to the components and weight part of a formula; uniformly mixing raw materials, and bagging; and controlling facility culture conditions and thus realizing hericium erinaceus culture. According to the method provided by the invention, comprehensive development of abundant tobacco stem waste is realized, harm is turned into good and the tobacco stem waste is turned into hericium erinaceus which doubles as medicine and food through hericium erinaceus via the tobacco stem, so that not only the method for culturing hericium erinaceus is widened, and wood resources are saved, but also the added value of tobacco planting is improved. The method provided by the invention not only improves the income of farmers, but also benefits the protection of the ecological environment in the rural district.

The invention discloses a stereoscopic self-flowing sewage treatment device which is composed of a plurality of box type water pond units having isosceles trapezoid shape longitudinal sections and superposed and supported on a support from bottom to top alternately by a rate of gradient, each water pond unit is provided with a plurality of PVC baffles making the water flow direction show S shape, each water pond unit is equipped with a substrate filler, and a water outlet is arranged at the bottom thereof at the tail end of water flow, a water valve is disposed on the side wall of each water pond unit, plants are planted in the uppermost water pond unit, and microorganisms are inoculated in the rest water pond units. The sewage treatment device has advantages of low investment, low cost of maintenance, long useful life, facilitating the sampling at any moment and water quality detection, saving land effectively, beautifying the environment and broad application scope, and can be used for treating sewage in rural districts and residential areas in small towns.

The invention discloses a heating and ventilating air conditioner system for rural residence. The heating and ventilating air conditioner system comprises capillary pipes, wherein the capillary pipes are paved at a radiation tail end of the ground and on the wall in a room, a roof of the room is provided with a solar heat collecting device, the outside of the room is provided with an evaporating and cooling type water cooling machine and an evaporating type air cooling machine, the evaporating and cooling type water cooling machine is connected with a water diversion device A by a water outlet pipe G1 and is connected with a water collector A by a water inlet pipe G2, the water collector A is communicated with the radiation tail end, the evaporating type air cooling machine is communicated with the room by an air pipe, the outside of the room is also provided with a marsh gas tank, a coal/gas boiler and a marsh gas boiler are arranged beside the marsh gas tank, and the coal/gas boiler, the marsh gas boiler, the marsh gas tank and the solar heat collecting device are connected by a pipe network. The heating and ventilating air conditioner system has the advantage that through the combining of the characteristics of the rural district, according to the climate features of different seasons, three types of renewable energy sources are fully utilized as cold sources and heat sources, and then the living environment of rural residents is improved.

The invention discloses a light occlusion type under-wall strip-shaped foundation and a construction method thereof. The light occlusion type under-wall strip-shaped foundation comprises five standard components including a tenon type standard strip-shaped foundation, a mortise type standard strip-shaped foundation, a strip-shaped foundation cross joint, a strip-shaped foundation right-angle joint and a strip-shaped foundation T-shaped joint, wherein the tenon type standard strip-shaped foundation is in a tenon type in the longitudinal direction, the mortise type standard strip-shaped foundation is in a mortise type in the longitudinal direction, and the strip-shaped foundation cross joint, the strip-shaped foundation right-angle joint and the strip-shaped foundation T-shaped joint are in a tenon type in the longitudinal direction. All the standard components of the under-wall strip-shaped foundation are prefabricated in a factory, and the quality is reliable. The hoisting construction efficiency is high, and the construction period is shortened. All the standard components of the occlusion type under-wall strip-shaped foundation are connected in a mortise and tenon meshed mode, and the connection integrity between the standard components is high. The occlusion type under-wall strip-shaped foundation conforms to construction of small low-rise building foundations in rural areas, a series of construction steps such as formwork supporting, cast-in-place, heat preservation, moisture preservation and maintenance are avoided, and the cost is reduced.

The invention relates to a household drinking water treatment device applicable to the west arid rural area. Perlite is adopted as a base material, and then perlite preprocessing, material blending, infiltrating, moulding, drying and roasting processes are carried out on the perlite, so that a micropore ceramic membrane container in a required shape is obtained; and then natural attapulgite is selected, preprocessing, material mixing, infiltrating, granulating, drying and roasting processes are carried out on the natural attapulgite, so that the required attapulgite particle adsorption filter material is obtained. A filter material in a container can adopt a single attapulgite particle filter material and also can adopt a mixed filter material composed of attapulgite and other filter materials such as activated carbon particles. During water purification, a single-stage treatment method can be adopted, and a second-stage or multi-stage treatment method also can be adopted. The household drinking water treatment device applicable to the west arid rural area has the advantages of simple structure, non-toxic materials, easiness for preparation, low cost, repeated use of the ceramic membrane container, and the like.

The invention discloses a rural non-point source pollution simulation method based on an SWMM, and belongs to the field of non-point source pollution simulation. The method comprises the following steps: S1, data collection, S2, sub catchment area division and pipe network generalization, S3, underlying surface information acquisition, S4, model establishment and parameter selection, S5, water collecting well external inflow estimation and parameter setting, and S6, simulation execution, simulation result display and analysis. The rural non-point source pollution simulation method based on theSWMM is more scientific and reasonable. A new method for simulating non-point source pollution in rural areas is provided. The method is based on the actual demand of rural area non-point source pollution control and the demand of non-point source pollution simulation research development. The developed research on rural area non-point source pollution simulation has multiple meanings, the simulation result can provide a scientific basis for formulation of a pollution control strategy, and sufficient pollution emission information is provided for selection of production and living activitiesin the area.

The invention discloses a novel rural power distribution network planning strategy based on robust optimization. The novel rural power distribution network planning strategy comprises the following steps: acquiring rural power grid system framework structure information of a certain region; generating an expected scene based on typical daily operation data of each season, and constructing a direct current load, alternating current load and roof photovoltaic polyhedron uncertainty set; a novel power distribution network networking mode suitable for rural areas is provided, and a power distribution network planning model is established with target annual planning and operation comprehensive benefit optimization as a target; converting the power distribution network planning model into a novel rural AC/DC hybrid power distribution network two-stage robust optimization planning model in an expected scene based on the expected scene and the uncertainty set; and solving the model by adopting a column and constraint generation algorithm, judging the feasibility of the power distribution network planning scheme under the worst scene searched in the solving process, and outputting the power distribution network optimization planning scheme when feasibility test and algorithm convergence criteria are met at the same time. By adopting the strategy, the investment decision of the novel power distribution network in the rural area can be optimized, and the method has positive significance for scientific planning of the power distribution network in the rural area in the future.

The invention relates to an outdoor fly-free solar energy heating shower bath washroom and an indoor washroom solar energy heating shower bath in the rural district, A solar energy water heater is used to collect raw hot water to perform heating shower bath. The brickworks on the periphery of the washroom and a toilet are insulated and the roof is insulated. The outdoor fly-free solar energy heating shower bath washroom is a fly-free washroom and the toilet, and is provided with a pipeline and a manhole for the curing process.

The invention discloses an intelligent social contact platform and social contact method based on rural strong social relations, and the social contact method based on rural strong social relations comprises the steps: collecting the attribute information of a user; classifying, matching and sorting the attribute information; adding information and receiving information are generated through matching of the attribute information; performing information matching on the added information and the received information according to the classification matching sequence; when the matching is successful, sending recommendation information to the user; in the matching process, matching needs to be conducted according to the classification matching sequence of the attribute information, the closer the attribute information of the users is, the higher the matching degree is, when the method is applied to the rural area, the approaching degree of the attribute information of the users who add communication with each other is high, the users are in close contact, and the social mode that peasant groups strongly depend on the area where the peasant groups are located is met; the social contact requirements of farmer groups are met, and online communication of the farmer groups is facilitated.

The invention provides a whole-set installation construction device and method for an electric energy metering box. The device comprises an adjustable positioning part; a position-adjustable fixed installation ring is installed on the bottom surface of the adjustable positioning part;a positioning installation ring is installed on the top surface of the adjustable positioning part; and the fixed installation ring is used for installing the adjustable positioning part to a fixed area, and the positioning installation ring is used for connecting and fixing the metering box and the adjustable positioning part. In rural areas, due to the fact that four holes are not easy to find for an old house, a proper place needs to be found for hole drilling, as a result, inconvenience is brought about; an electric energy metering box tends to tilt after being installed, and the metering precision cannot be improved. With the whole-set installation construction device and method for the electric energy metering box of the invention adopted, the above problems can be solved; and the upper left portion and the upper right portion of the fixed installation ring and the upper right portion of the positioning installation ring stretch out, and the positions are adjustable, the electric energy metering box can be arranged on a complicated old house in the rural area, so that the installation of the electric energy metering box is convenient, and the electric energy metering box is high in precision, and the construction safety of rural basic electric power facilities is facilitated.

The invention discloses a rural logistics distribution method, apparatus and device, and a storage medium. The method comprises the steps of establishing an information base indicating a business coverage area of an express company through a server; obtaining logistics order information, extracting a recipient address, and judging whether mail transfer is needed or not; if the addressee address contains an area which is not covered by the information base, judging that the logistics order needs to be transferred; wherein the area which is not covered by the information base comprises a remote rural area; marking a logistics order needing to be transferred, and generating a corresponding delivery order; and the server side responds to the mail transfer confirmation information of the terminal branch of the express company, obtains the delivery track of the transferred logistics order through the mobile terminal of the preset image acquisition device, and updates the information base. Therefore, express delivery can enter a village, and a rural express delivery service network is widened.

The invention discloses a rural real estate loss assessment method based on finite element analysis and geographic information. The problem that the accuracy of a flood disaster loss rate curve needs to be improved in the prior art is solved. The method comprises the following steps: step 1, simulating a masonry house flood damage process; step 2, fitting a loss rate curve; step 3, utilizing hydrodynamic software to simulate and determine a flood influence range and submerging water depth; 4, evaluating the value of the houses in the submerged area; and 5, calculating the flood real estate loss. According to the technology, the damage process of masonry houses in rural areas at the downstream of the Yellow River in flood is analyzed through finite element simulation, and a continuous loss rate curve is obtained by fitting loss rate data. Compared with a traditional stepped loss rate curve, the curve takes the relative water depth as an independent variable, can be used for masonry house loss evaluation of different building heights, and has wider applicability.

The system comprises a cabinet, a case cover as well as photographic objective and exposure system in the cabinet. The photographic objective is setup at top center of the cabinet. Dedicated film printing desk is at upper part of the photographic objective. The said exposure system consists of computer, luminescent screen and card reader. The invention completely replaces the traditional procedure of using roll film or film to prepare picture from black/white photograph. Overall process is fulfilled through computer operation so as to omit fussy operation procedure, save operation cost and time. The invention possesses effect of environmental protection, easy of use, and is suitable for use in rural district and remote mountainous area.

The invention discloses a rural sewage ecological recycling treatment micro circulation system, which comprises a biogas anaerobic fermentation device, an ecological filtering device and an artificialwetland biological treatment device in sequential butt joint and communication, wherein the biological filtering device comprises a grating well and an ecological filtering pool which are buried underground and are communicated; the ecological filtering pool comprises a stainless steel sieve screen, a water inlet chamber, a water outlet chamber and a separation plate; the insides of the water inlet chamber and the water outlet chamber are filled with bentonite modified filling materials; the separation plate separates the ecological filtering pool into the water inlet chamber and the water outlet chamber; the stainless steel sieve screen is horizontally suspended in the water outlet chamber. The invention also discloses a rural sewage ecological recycling treatment micro circulation method. The system and the method provided by the invention sufficiently solve the problems of rural sewage scattering, collection difficulty, maintenance difficulty of a general system, and deficient money of farmers can be sufficiently solved. The rural yard ecology and sewage discharge current conditions are combined; the sewage integrated, convenient and harmless treatment is realized under the condition of very low investment. The system and the method are suitable for being popularized in rural areas.

The invention discloses a water purifier used in rural areas. The water purifier includes an outer shell, a filtering space with a downward opening is formed in the outer shell, a bottom cover capableof sealing the filtering space is mounted on a bottom surface of the outer shell in a threaded manner, after a water inlet valve is opened, water can enter the filtering space through a water inlet pipe, when large-particle filtering needs to be carried out on water in the filtering space, a water outlet valve is closed, a motor is started, the motor drives a sealing block to be retracted upwards, water in the filtering space can flow towards two sides and is filtered through a filter screen, the filter screen can be sealed at the end of water purification, the filter screen is prevented frombeing exposed in water all the time, accumulation of a large number of impurities in the filter screen is avoided, purified water can be stored, the service life of a water purification filter core can be calculated, an alarm can be given for reminding replacement after the water purification filter core is used for a certain period of time, so that normal use of purified water in rural areas isguaranteed.