256 results about "Small town" patented technology

The active sludge-biomembrane compounding integral sewage treating method includes the first leading the sewage to be treated to the anoxic area through stirring for mixing sewage to be treated and active sludge, the subsequent leading the sewage to aerobic area with stuffing for aeration treatment with combined active sludge and biomembrane, and final leading the sewage to the precipitation area for natural deposition to separate sludge and water, leading out purified water, reflowing the mixed sludge liquid to the anoxic area and draining the residual sludge. The present invention also relates to the corresponding sewage treating apparatus. The present invention has the advantages of high treating capacity, resistance to impact load, simple operation, etc. and is especially suitable for use in medium and small towns.

The invention discloses a low-energy-consumption low-carbon-emission economical energy-saving urban sewage treatment method. The method comprises the steps that: 1, the to-be-treated wastewater is collected by a sewage pipe network and then is filtered by lattices, and is lifted by a pump to enter a pulse water distribution pot of a novel efficient turn-back anaerobic biochemical pool (ABR); 2, the swage subjected to the treatment in step 1 flows into a circulation-flow biological oxidization pool; 3 the effluent water from the step 2 flows into an artificial reinforced biological contact oxidization pool reconstructed by a water body from natural tunnels and reservoirs; and 4, the effluent water from the step 2 or the step 3 flows into constructed wetlands. After the sewage is treated by the above steps, the most pollutants in the water are effectively removed and the treated effluent water reaches the standard first-grade A in GB 18918-2002 ''Discharge standard of pollutants for municipal sewage treatment plant''. The energy-saving sewage treatment purification process with low cost, low energy consumption, low carbon emission and low operating cost is particularly suitable for the sewage treatment in small towns or rural areas.

The invention discloses a straw light-weight energy-saving insulated building block and a method for producing the same. The method comprises the following steps: using broken straw segments processed by a surface modifier, high strength low-alkali cement, fly ash, superfine active mixed materials and the like as main raw materials; adding various additives such as a waterproof impermeable agent, a preservative, a high-efficiency water reducing agent, an excitant and the like and modified materials to the main raw materials, mixing all the materials evenly, and adding water to the mixture and blending the mixture evenly; molding, demolding and maintaining the mixture to mold the building block (a reinforcing rib of which the surface is provided with a plurality of transverse lug bosses), and coating cement waterproof fluid on the outside; and making protection layers on two sides of the building block with ordinary Portland cement, sand, slag, additives and water so as to obtain the straw light-weight energy-saving insulated building block. The straw light-weight energy-saving insulated building block has the characteristics of light weight, high strength, good thermal insulation property, low water absorption rate, high freeze-melt resistance, fire prevention, water prevention, seepage prevention, insect and mouse damage prevention and the like, and saves 50 percent of energy for a single wall body material in the northern cold areas. Besides, the straw light-weight energy-saving insulated building block can be widely popularized and applied to the field of construction, in particular to the village and small town dwelling constructions in the northern cold areas.

The invention discloses a multi-point water inlet aeration anoxic-aerobic high-efficient nitrogen and phosphorus removal method. The method sequentially comprises the following steps of: (1) introducing sewage to be treated into a grille regulating tank through a water inlet pipe; (2) dividing the water after pretreatment by the grille regulating tank into two lines, wherein one line leads to an aeration tank and the other line leads to an anoxic tank; (3) sending the water in the anoxic tank into an aerobic tank; (4) dividing nitrified water after nitrification treatment in the aerobic tank into two lines, wherein one line returns to the anoxic tank, and the other line flows into a precipitation tank to perform mud-water separation; and (5) lifting sludge through a sludge lifting device, transporting the residual sludge to the outside through a sludge discharge pipe after passing through a sludge treatment system, and returning the sludge after lifting into the aeration tank. The method disclosed by the invention is suitable for new and transformation upgrading projects of high-ammonia nitrogen village and small town/industrial sewage treatment works, has the advantages of simplicity and convenience in management and maintenance, low cost, good treatment effects, strong nitrogen removal effect and the like, and is less affected by climatic conditions.

The invention discloses a vacuum sewage collecting and treating system. The vacuum sewage collecting and treating system comprises a sewage gathering pipeline, a vacuum collection well, a vacuum conveying pipeline, a vacuum pump station and a sewage treating device, wherein the sewage enters the vacuum collection well through the sewage gathering pipeline; when the sewage collected in the well reaches a certain amount, the sewage enters the vacuum pump station along the vacuum conveying pipeline; when the liquid level of the sewage in a vacuum sewage storage tank reaches a predetermined liquid level, the sewage conveying pump is started and is used for conveying the sewage to the sewage treating device to purify the sewage. Through the vacuum sewage collecting and treating system, the domestic sewage collection method is changed from the conventional gravity collection into vacuum collection; the sewage treatment is charged from a manner of discharging the sewage into a sewage pipe net and carrying out centralized treatment on the sewage to a process of carrying out on-site treatment by using a small integrated membrane treatment device; collection and treatment are integrated to a complete set of system; the system is not limited by basic supporting facilities and is not required to relay on urban drainage facilities; the system is integrated with the ecological environmental protection technology with efficient collection and efficient treatment functions and is especially suitable for regions such as small towns and countries and the like in which sewage treatment plants are unsuitably built.

The invention relates to a portable lottery ticket machine, which comprises a main case body, a case body cover, a display, a host machine, a printer and a keyboard. The display is arranged on the case body cover, the host machine and the printer are arranged in the main case body, a host machine seal cover is arranged above the host machine, the keyboard is arranged on the host machine seal cover, the printer and the keyboard are respectively connected with the host machine through different data lines, and the portable lottery ticket machine is also provided with a case body locking device used for locking the case body cover and the main case body. The portable lottery ticket machine can carry out movable ticket sale and is suitable to moving lottery ticket sale for underdeveloped areas or small towns, villages and even peripheral mountain areas.

The invention relates to a technology for purifying wastewater in micro-aeration vertical flow wetlands, and belongs to the water pollution control field. The technology adds a manual micro-aeration system in the conventional upwelling vertical downward flow wetlands, and adds channels for washing pipelines and outputting sediments at the bottom part of the wetland system, thereby improving the treatment capacity of the wetland system, having the functions of backwashing and sediment outputting, and prolonging the service life of the wetland. The technology can be independently utilized, and can also be combined with other wetlands by serving as an aerobic unit. The technology can be applied to the domestic sewage processing of villages, small towns and scenic spots, the wastewater treatment of a municipal sewage mixed stream entering a lake and the deep purification of tail water of a sewage treatment plant.

The invention relates to the field of sewage treatment and purification, in particular to efficient environment-friendly sewage treatment and purification equipment. The equipment comprises a filter chamber, a crushing chamber, a centrifugalization chamber and a treatment and purification chamber which are connected end to end in sequence through pipelines; the filter room is used for conducting preliminary filtration on large-particle dirt; the crushing chamber is used for conducting crushing and secondary filtration on middle-particle dirt; the centrifugalization chamber is used for making sewage centrifuged, substances heavier than water deposit, and substances lighter than water float on the water surface; the treatment and purification chamber is used for filtering tiny impurities in water and collecting generated waste gas. The equipment can be used individually or by combining multiple sets of the equipment according to the sewage treatment capacity, connection with an original drainage system pipeline is easy and convenient, the equipment can be widely applied to urban living communities, villa areas, hotels, restaurants, schools, hospitals, tourist attractions, troops, barracks, islands and rural-urban fringe zones which are small in number and large in area and places such as middle and small towns which are not suitable for building large sewage treatment plants, distributed sewage treatment stations are built, and sewage and sludge comprehensive treatment is achieved.

The invention belongs to the environmental protection technical field, in particular to an eutrophication water body artificial wetland processing system taking steel-making waste residue as a substrate. The system adopts a horizontal subsurface flow artificial wetland mode and comprises an artificial wetland cell body, a substrate layer, a wetland botanical system and a water distribution system. The water distribution system comprises water distribution pipes, a gravel water distribution region, a gravel exhalant region and a water outlet channel. The substrate layer is arranged in the artificial wetland cell body. Two sides of the substrate layer are respectively the gravel water distribution region and the gravel exhalant region. The upper part of the substrate layer is paved with a covering layer. The surface of the covering layer is a wetland botanical system. One side of the gravel water distribution region is provided with the water distribution pipes. The gravel exhalant region is connected with the water outlet channel. The matrix material of the substrate layer adopts the mixture of steel slag and dry residue, the volume ratio of which is 4:4-6:1. The processing system is particularly suitable for the purification and restoration of water body with high turbidity, high N and P eutrophication in villages and small towns. Experiments prove that after contaminated cultivation and landscape water body is treated by the processing system; effluent quality basically meets the water standard of national surface water grade III, and even meets the water standard of national surface water grade II in some months; the removal rates of the TP and SS are both more than 90%; the removal rate of NH4-N is also more than 80%.

The invention discloses a small household garbage incineration treatment system and an incineration treatment method suitable for small towns. The system comprises a feeding device, an incineration device, a heat energy utilization device and a smoke purification device. The feeding device, the incineration device, the heat energy utilization device and the smoke purification device are connected in sequence. A smoke backflow zone is generated in the incineration process, household garbage is stably ignited, pyrolyzed and burnt completely, and smoke has enough standing time in a high temperature section, so that toxic substances such as dioxin are fully broken and decomposed; and steam generation equipment and air preheating equipment in the heat energy utilization device are integrated, and the equipment occupied area is reduced while heat energy recycling is achieved. Besides, smoke quenching in specific time can still be achieved when the system is under the condition of large working condition changes, so that resynthesis of the dioxin is reduced, and stable operation of the system is maintained.

A process for treating the sewage of town suburb, or large residential area includes such steps as pumping sewage in treating unit, intensified flocculating and depositing, biooxidizing with fluidized bed, and post-depositing. Said treating unit is composed of water inlet well, intensified flocculating and depositing pool, fluidized-bed bioxidizing apparatu9s and secondary depositing pool.

The invention discloses a comprehensive control method for the town water pollution in the three gorges reservoir area, comprising a method for controlling a series of pollutants such as the town industrial and domestic pollution sources discharged out of the small-town area and the city area, the urban non-point source pollution caused by the rainfall runoff generation and the like, so that the comprehensive control method has the characteristics of being feasible in technology, reasonable in economical efficiency, remarkable in combined effect and the like, and the defect that the existing pollutant control method is single in implementation mode, free from technology support, and free from pertinence can be overcome. By respectively setting a water pollution control method for the small-town area of the three gorges reservoir area and the residential district, the dense population business district and the industrial park of the city region, the comprehensive control method for the town water pollution in the three gorges reservoir area is integrated, so that the powerful technology support can be provided for realizing the total water quality target requirement and the pollution abatement work in the three gorges reservoir area of China, and the example can be provided for the town water pollution control of various hydraulic and hydro-power engineering reservoir areas in the western China.

The invention relates to the sewage treatment field, and particularly relates to a quick-start unpowered biologically enhanced constructed wetland system suitable for treating domestic sewage and waste water in small towns. The constructed wetland system comprises: (1) a sand basin; (2) a suspending biological packing bed, wherein an impermeable membrane is paved on the bottom of the bed; a pebble bed is paved over the impermeable membrane; suspending biological packing is arranged over the pebble bed; and the mixture of volcanic packing, ceramsite packing and soil is paved over the suspending biological packing; (3) a biological treatment subsurface wetland, wherein the bottom layer of the biological treatment subsurface wetland is an impermeable layer; a pebble bed is paved over the impermeable layer; a volcanic packing layer is paved over the pebble bed; and earthworms are put in the area; and (4) a surface wetland. The system can effectively shorten the start time of the existing constructed wetland, improve the treatment efficiency at the start stage, solve the problem of blockage of the subsurface wetland and reduce the energy consumption of the water treatment process; and the system emphasizes the visual effect of plant arrangement and the role of soil animals in water treatment.

The invention discloses a harmless incineration disposal system and a method for disposing domestic refuges. The system consists of a refuge derived fuel (RDF) pre-production sub-system, a drying and incinerating sub-system and a fume purification and treatment sub-system. The RDF pre-production sub-system comprises a bag breaking machine, a sorting mechanism, a rough breaking machine, a drying machine, a fine breaking machine and a RDF forming machine which are sequentially connected by a conveying mechanism. The drying and incinerating sub-system comprises an incinerator, a drying machine and corresponding matched fume pipes, which are connected, wherein a feeder connected with the discharge port of the rough breaking machine is arranged at the feed port of the drying machine, and a discharging machine connected with the feed port of the fine breaking machine is arranged at the discharge port of the drying machine. The fume purification and treatment sub-system comprises a cyclone dust catcher, a cloth bag dust catcher, a turbulent ball column water dust catcher and a chimney. The harmless incineration disposal system and the method for disposing domestic refuges can thoroughly dispose the domestic refuges in small towns and cities and have the obvious advantages of reasonable and scientific design, easy thorough incineration disposal process, good disposal effect and no secondary pollution.

The invention relates to a small high-efficiency mud-water separation device used for supplying water to villages and small towns. The device comprises a mechanical flocculation area and a hydraulic flocculation area, a sedimentation area, an active mud residue concentration area, an active mud residue internal reflux tube/cylinder, an impeller lifting device, a water inlet and outlet system, a mud discharge system and the like. The main body of the device mainly comprises three layers of concentric cylinders; an inner cylinder is the mechanical flocculation area, the middle is provided with the impeller lifting device, and active mud residue at the bottom of a concentration chamber is lifted to the mechanical flocculation area by the internal reflux tube/cylinder arranged in the center of the bottom; the hydraulic flocculation area is formed between the inner cylinder and a middle cylinder, and is provided with a pore plate; the sedimentation area is formed between the middle cylinder and an outer cylinder, and is provided with a single-blade single-curve rotary sloping plate; and the bottom of the equipment is provided with a mud residue concentration chamber. The device has theadvantages of compact structure, high space utilization rate, small occupied area, mechanical flocculation area, easily controlled reflux quantity, low energy consumption, good effluent quality and the like, and has great promotion value.

The invention provides an activated sludge-biomembrane combined circulating flow denitrification and desophorization integrated sewage treatment device and a method. The integrated sewage treatment device consists of an improved CASS (Cyclic Activated Sludge System) reactor and a chemical dephosphorizing pond, wherein the inner ring of the improved CASS reactor is served as an anaerobic region, the outer ring is provided with an anoxic region and an aerobic region hung with biomembranes alternately, and the impact load resistance capability of the improved CASS reactor is increased through the flow state combined by a pushing flow and a mixed flow. The integrative sewage treatment device is only provided with an aeration device on the outer aerobic region, an anoxic region or even an anaerobic region is arranged after the aerobic region because the concentration of dissolved oxygen changes from high to low at the downstream of the aeration device, therefore, denitrifying bacteria can directly utilize nitration products to denitrify, and promote nitrification and denitrification to simultaneously generate in the device. The impact load resistance capability of the reactor can be strengthened through the biomembranes arranged alternately, a bidirectional sludge underwater plug-flow device is utilized to prevent the biomembranes to block circulating sludge, the simultaneous occurrence of nitrification and denitrification reactions in the reactor is beneficial to reducing aeration amount and energy consumption, and the volume of the reactor can be reduced because of dispensing with an anoxic pool and a secondary sedimentation tank, thereby saving construction cost and operation cost. The integrated sewage treatment device is suitable for sewage treatment in small towns with insufficient funds.

The invention provides a negative pressure strengthened multi-stage laminated disc type solar energy distillation system for desalination, which takes solar energy as a heat source to heat brackish water in laminated discs, and under the negative pressure chimney effect of a vacuum pump, the multi-stage cyclic utilization of condensation heat and evaporation heat between the multi-stage laminated discs is realized, the heat transfer efficiency is increased, and pure distilled water can be obtained with less energy consumption. The system has the advantages of compact structure, small floor area, and low cost for water preparation, and is suitable for desalinating brackish water in western villages and small towns.

The invention relates to a device and a method for a deep water distribution multi-medium ecological wetland sewage treatment system. The device consists of a water distribution pipe, a water collection pipe, wetland plants, a venting substrate layer, a multi-medium ecological filter layer, a water collection layer and an impervious layer which are arranged in a rectangular pond body dug in the ground; and the detailed structure and the method are shown in an instruction book. The device and the method have the advantages that the device can distribute water by 50 to 100cm below ground, thereby facilitating the operation of the device in northern cold areas in all seasons, increasing fixed quality of microorganisms and deeply removing phosphorus and nitrogen, prolonging hydraulic retention time, avoiding blocking of the filter layer, and ensuring the highly efficient operation of the wetland system for a long time, having extremely high efficiency of removing COD, ammonia nitrogen, total nitrogen and total phosphorus, and being operated under conditions of no power or micro power, and growing wetland plants such as canna, iris and the like, effectively removing nitrogen-phosphorus while beautifying the environment, not generating mosquitoes and undesirable odor, and being suitable for the deep treatment and the resource utilization of the domestic sewage in small towns and rural areas.

The invention discloses a power grid bird trouble map drawing method and a system based on a winter visitor migration route and a habitat. In the method, according to a user instruction, a power grid bird trouble map drawing area range is set; winter visitor migration route vector map layer data, winter visitor habitat (such as a water area, a wetland, a farm land, a village and a small town) vector map layer data, winter visitor habitat surrounding line tower coordinates and bird trouble happening frequency data are acquired; according to the acquired winter visitor migration route and habitat vector map layer data, GIS buffer analysis is carried out, GIS interpolation analysis is carried out on historical bird trouble fault data, corresponding thematic maps are obtained, the two maps are integrated, and reference bird trouble risk levels are ranked from low to high, and a power grid transmission line bird trouble map is finally generated and outputted. Important reference can be provided for management decision on anti-bird trouble systems such as an anti-bird sting and an anti-bird baffle arranged on the tower of the power grid, bird trouble tripping accidents can be effectively prevented from happening to the transmission line, and economic benefits are high.

The invention provides a hollow fiber concrete sandwich stalk compression brick building block belonging to novel wall constructional material. The hollow fiber concrete building block is prepared from cement, fly ash, sand, crushed stone, water and polypropylene fiber according to the weight ratio of 1:0.6:2.4:2.8:0.57:0.0032; and the stalk compression brick is prepared from lime mortar, water and wheat stalk according to the weight ratio of 2:1:1:4, the pressure is the minimum pressure by which the pressure head can be completely pressed in a pressure bucket, and the building block is suitable to be applied to buildings in villages and small towns. The manufacturing process comprises that: two parts are manufactured independently to obtain a semi-finished product; and the stalk compression brick is filled in the concrete hollow building block to form the finished product. Tests prove that the building block has the advantages of high strength of wall, thermal insulation, heat preservation, sound insulation, and the like; moreover, a large amount of excessive stalk can be consumed, which also meets the requirement of the government on the development of circular economy, so that the hollow fiber concrete sandwich stalk compression brick building block is suitable to be popularized in rural areas.

The invention is an artificially reinforced soil percolation sewage processing device, relating to a device for processing sewage water for a city sewage treatment plant by soil, divided into rooms A and B by baffle, where the bottom of the two rooms are both laid with cobble and gravel as bearing layers, each of which is alternatively laid with gravel and spherical filling layers until the top. And the bottoms of the two rooms are provided with mud bucket and mud discharge pipe, respectively, and their ends are provided with water collection and outlet tanks, respectively; the upper part of the water outlet tank is made with water outlet pipe and the lower part is made with emptying pipe. And there are barrier-shaped water inlet and outlet arranged between the water collection tank and the room A and between the water outlet tank and the room B, respectively. And the device is simple and easy to operate, and able to process domestic sewage and some industrial waste water, especially applied to process domestic sewage in small towns.