48results about How to "Reduce infrastructure investment" patented technology

One kind of short range nitrifying-anaerobic aminoxidizing sequencing batch type denitrifying biomembrane mode and plant is disclosed. The limited aerating mode with real-time control of the sewage temperature inside the reactor and high frequency alternation between aeration and anaeration can inhibit the growth of nitrite oxidizing bacteria and denitrifying bacteria so that the aminoxidizing bacteria and the anaerobic aminoxidizing bacteria become the dominant bacteria in the nitrifying and denitrifying stages. In the nitrifying stage, nitrification is stopped in the nitrite step; and in the denitrifying stage, ammonia nitrogen acts as the direct electron donor to reduce nitrite. The plant is provided with fixed spherical composite stuffing with spherical shell of polypropylene and filled inside biological composite material. Sectional discrete water feeding mode is adopted to feed the sewage to be treated in four stages into the reactor.

The invention relates to an ecological slope protection type sewage land infiltration system which comprises a grid pond (2), an anaerobic hydrolyzing pond (4) and a stepped land infiltration unit which are sequentially arranged along the gradient of a sloping field from top to bottom, wherein the grid pond (2) is communicated with a ditch (1); the stepped land infiltration unit comprises multilevel slope protection infiltration beds (5); filter materials (7) are filled in the slope protection infiltration beds (5); hygrophyte communities (9) are cultivated on the slope protection infiltration beds (5); a modal conversion assembly (6) used for controlling infiltration speed, waterpower retention time, a filtering layer internal environment and an effluent water mode is arranged between adjacent slope protection infiltration beds (5). The ecological slope protection type sewage land infiltration system disclosed by the invention tolerates the rural sewage quality water flow impact, is difficult to block due to high reaeration capacity, intensifies the denitrification and dephosphorization effect, is green, energy-saving, economic and practicable and has excellent water conservancy and ecology value.

The invention provides a real-time evaluation system for road conditions, and the system is characterized in that the system comprises a plurality of traffic monitoring devices which are used for obtaining the position and speed information of vehicles and the information of surrounding road conditions of the vehicles; a wireless communication module which is used for the wireless transmission of the information obtained by the traffic monitoring devices; and an aggregation terminal module which carries out aggregation according to the information transmitted by the wireless transmission module, and obtains an unobstructive evaluation value of road conditions. The system is advantageous in that a road condition induction device for safe driving detection of a vehicle is applied in the system; the information of the surrounding road conditions of the vehicle is used as parameters for evaluating the unobstructive condition of a road; the system greatly enlarges the evaluation area, improves the evaluation precision, is low in implementation cost, and is easy to popularize.

The invention discloses a drying and sorting integrated crusher and a process thereof. The crusher comprises a crushing device, an air blast device, a sorting device and a drying preheating device. Ores are preheated by the drying preheating device and are crushed by the crushing device, and dust formed after the ores are crushed by the crushing device is raised by air which is blown by the air blast device into the sorting device; and a finished product is obtained by the settlement of the dust in the sorting device. According to the drying and sorting integrated crusher, the crushing device comprises a spindle, a crushing disc and 3 to 8 grinding rollers; the spindle is vertical; the crushing disc is horizontal; the grinding rollers are erected on the crushing disc and are meshed with the inner wall of a crushing cavity; and the adjacent grinding rollers are meshed with each other. When the crushing device runs, the grinding rollers revolve on the own axis while rotating around the spindle. The crushing device has a high-efficiency crushing effect on low-hardness ores, and is particularly suitable for crushing asbestos ores. When the drying and sorting integrated crusher is applied to the asbestos ores, the process can be simplified, investment of equipment and capital construction can be reduced, energy consumption and cost can be reduced, and the production efficiency can be improved greatly.

The invention discloses a network content acceleration method based on user behavior. A basic principle of the method is as follows: content to be accessed by a user in a certain period in the future is pre-fetched in a caching space of a home gateway, so that the user is not required to wait when consuming the content and can have very good user experience. A CMA (content management agent) mounted at the home gateway and a user behavior prediction center are adopted in the method. The CMA collects user behavior information and sends the user behavior information to the user behavior prediction center; the CMA pre-fetches the network content and caches the network content in a local storage of the home gateway according to a prediction report and redirects a content consumption request of the user to a local cache. The user behavior prediction center predicts the network content which can be consumed by the user in the certain period in the future on the basis of historical behavior of the user and returns a prediction result to the corresponding CMA. With the adoption of the method, the problem that the caching time is too long when the user consumes high-resolution videos can be effectively solved; meanwhile, the pressure of a content server can be reduced.

The present invention relates to treatment of printing and dyeing waste water. The process of treating printing and dyeing waste water includes the following steps: regulating pH value with acid, oxidizing with the Fenton reagent, cavitation treating with high pressure jet, coagulating sedimentation, adsorbing with fly ash and regulating pH value before exhausting. The present invention features the organic combination of high pressure cavitation jet and the Fenton reagent in treating printing and dyeing waste water. The present invention has obviously raised COD eliminating rate and decolorizing rate, high energy utilizing rate and other advantages.

The invention relates to an intelligent parking system and paring method, the system comprises a vehicle identification device, a single chip microcomputer and a card swiping device, wherein the vehicle identification device is used for identifying vehicle information and transmitting the information to the single chip microcomputer to save; the single chip microcomputer is used for recording the received vehicle information and outputting a control signal to control the dropping of a lifting device, when the vehicle accurately parked, a lifting column is controlled to rise, and parking billing starts; the card swiping device is used for swiping the card to pay the fees, the single chip microcomputer outputs the control signal to control the lifting column to drop after the payment, when private parking space or public parking space is idle, user who needs to park can select the parking space to park at any time, the system and the method is especially suitable for widely applying in large and medium size cities which lack parking spaces in short period, so that the social idle parking space resources sharing is promoted, the using frequency and efficiency of parking spaces application is improved, a temporary parking driver takes less time to find a parking space, the parking problem can be effectively eased, the use ratio of parking places can be greatly improved, the capital construction investment of parking places is reduced, and the cost is saved.

The invention provides a utility tunnel monitoring and early warning system, which comprises a physical perception layer, an integrated application layer and a network transmission layer, wherein the physical perception layer comprises a plurality of front-end perception devices and a gateway node in communication connection with each front-end perception device; the front-end perception device is set to acquire each piece of perception information in the utility tunnel; the gateway node is set to upload the perception information acquired by the front-end perception device to the network transmission layer; the network transmission layer comprises a backbone network node which is set to upload the perception information uploaded by the gateway node to the integrated application layer; the integrated application layer comprises a plurality of control terminals which are set to carry out operation processing on the perception information uploaded by the network transmission layer and provide corresponding application service according to a processing result. Various conditions in the utility tunnel can be monitored in a real-time and online mode, each relevant department can quickly take effective measures, loss caused by error reporting or missed reporting is avoided, the reliability is high, the capital construction input is little, and the maintenance and the operation are convenient and quick.

The invention discloses an in-situ denitrification method of percolate of a domestic refuse landfill, comprising the following steps of: conveying stock solution of refuse percolate collected by a regulating and storing tank into an aerobic nitration tank, adjusting the aeration rate and the alkalinity of the aerobic nitration tank, controlling the dissolved oxygen at 2.0-3.0mg / L and the pH value at 7.5-8.5 and yielding water when the ammonian concentration of percolate in the aerobic nitration tank is lower than 25mg / L; inputting the yielding water of the aerobic nitration tank to a sedimentation tank for sludge-water separation, refluxing a sludge part to the aerobic nitration tank and discharging the rest part; and feeding supernatant into a medicine application tank, adding a carbon source according to the relationship formula that COD / NOx is equal to 1.5-2.6, evenly stirring and inputting the mixture to a denitrifying reaction vessel of a refuge landfill body so as to convert nitrite and nitrate into nitrogen gas by denitrifying microorganism in the refuge landfill body. The invention combines an activated sludge method and a percolate landfill body recharging technology to realize high-efficiency denitrification of the percolate and simultaneously remove organic contaminants with high concentration and has low operation cost.

Production of diphenyl carbonate from trichloromethyl-carbonate ester adopts tubular reactor to increase contact effect and has more yield.

The invention relates to a city comprehensive pipe gallery, and belongs to the technical field of public facilities. The city comprehensive pipe gallery comprises a gallery body. At least one middle separating plate is arranged inside the gallery body, the middle separating plate divides the gallery body into a pipe ditch portion and a drainage channel, the pipe ditch portion is used for containing municipal pipelines, a pipeline covering plate and a drainage covering plate are arranged at the upper portion of the pipe ditch portion and the upper portion of the drainage channel respectively, a plurality of drain holes are formed in the drainage covering plate, the lower portion of the middle separating plate is connected with the bottom surface of the gallery body through an overturning pin shaft, and a plurality of supports used for supporting the pipelines are arranged in the pipe ditch portion. The city comprehensive pipe gallery is simple in structure, is compact in design, can reduce the needed width of a road and needed space, and reduces the size and investment.

The invention relates to a high-quality efficient double-forming-machine parallel closed-loop full-automatic building block production line. The production line comprises a material distributing and stirring system, two sets of forming machine plate ascending systems, a program-controlled transferring main and auxiliary kiln car, a plate descending and stacking system and a plate returning and transferring system. According to the production line, two high-strength and high-quality building block main engines are adopted, and a heavy-load coordinate type stacking robot is adopted in the plate descending and stacking system, two independent single forming machine production lines in traditional significance are designed into the efficient double-forming-machine parallel dicaryon closed-loop full-automatic building block line saving energy. Compared with the prior art, the production line optimizes the process mode of the stacking system, the production efficiency is high, equipment investment, capital construction investment, personnel investment and energy consumption are greatly reduced under the circumstance that the productivity is equal to that of the independent double lines, and the human resource cost is saved.

The invention discloses an unpowered mixing and low temperature resistant biochemical treatment device for rural (community) sewage mud liquid, and the device includes a floating precipitation separation pool, a baffle mixed fermentation pool and an efficient biochemical treatment pool. The middle of the floating precipitation separation pool is communicated with the baffle mixed fermentation tank through a stream guidance tube, the upper part of the baffle mixed fermentation tank enters into the bottom of the efficient biochemical treatment pool through a three-way stream guidance tube, and the upper part of the efficient biochemical treatment pool through a stream guidance tube enters into a depth treatment facility or external environment. The baffle mixed fermentation tank is provided inside with a baffle plate, and stereo elastic packing suitable for biological biofilm culturing is suspended in the efficient biochemical treatment pool. The invention optimizes the process of a traditional three-case septic tank, extends the residence time of waste water, improves the degree of mixing of sewage and activated sludge, utilizes the geothermal to improve the treatment effect of sewage in winter, and has the characteristics of low cost, low operation cost, high efficiency, and easy popularization.

The invention discloses a stone-imitated finishing material of a building wall body and a construction method of the finishing material. The stone-imitated finishing material comprises the wall body; an interface layer is covered on the surface of the wall body; a layer of steel wire gauze is covered on the outer surface of the interface layer; a stone-imitated material layer is covered on the outer surface of the steel wire gauze; and a hydrophobic layer is coated on the outer surface of the stone-imitated material layer. Through the method provided by the invention, the stone-imitated finishing material has the advantages of low cost, high construction speed, easiness in maintenance, long service life and the like. The stone-imitated finishing material is compounded by renewable resources, can effectively replace natural stones so as to alleviate pollution and damage on natural resources caused by exploitation of the natural stones, also does not cause radiation pollution like the natural stones do, is lower than the natural stones in cost by more than 70%, can overcome the limitation that dry-hang flat plate stone materials can not be used for high-rise decoration, can achieve a stone material decoration effect on buildings with any height, and can greatly lower transportation costs and investment of capital construction.

The invention belongs to the technical field of proliferation and maintenance of fishes, and discloses a three-season enhancement and releasing method for salmons in spawning area rivers. The salmonsare highly anadromous fishes, and are artificially migrated to river sections with functions of a spawning area or branch water areas of the river sections for enhancement and releasing, a preferablespecific optimized upstream migration route capable of arriving at the spawning area is designed and selected for returning to the community (parent fishes), and propagation of generations of proliferation groups is realized; salmon releasing groups such as fertilized eggs or eyed eggs, juvenile fishes and parent fishes at different fresh water life history stages are migrated to spawning area rivers with suitable habitats, enhancement and releasing are carried out at three seasons including the winter, the spring and the autumn, and the diversity and the adaptability of the proliferation groups are improved. By the method of manually assisting in field incubation of fish eggs and natural proliferation of parent fishes, investment of enhancement and releasing infrastructure construction ofthe fishery can be reduced, the occupied area of permanent work is reduced, and the production cost for artificial incubation of juvenile fishes with the equal releasing number is saved.

The invention provides a stone-imitated composition. The composition comprises the following raw materials in parts by weight: 100 parts of white cement, 58 to 70 parts of epoxy resin, 35 to 45 parts of acetone, 20 to 26 parts of emulsion acrylic resin, 1 to 2 parts of aluminite powder, 20 to 25 parts of inorganic pigment, 10 to 30 parts of colored silica sand, 10 to 20 parts of natural granite particles, 0.5 to 1.5 parts of cobaltous sulfate, 0.3 to 0.5 part of water reducer, and 50 to 60 parts of water. The stone-imitated layer manufactured by the method has the advantages of good stone texture, light weight, high compression and tensile strengths, good weather resistance and over 70 years of service life; and a permanent waterproof film is formed on the surface of the stone-imitated composition, so that the applied part is not expanded or deformed to play effects of proofing water and freezing and preventing falling. The problems of high cost, high wall load, more labor consumption and the like in conventional stone-imitated manufacture can be improved, so that the stone-imitated composition has great economic and social benefits.

The invention discloses a rural sewage advanced treatment and biochemical filtration integration device and a running method thereof. The device is provided with a sewage equalizing tank, a sewage pretreatment tank, a biochemical pool, a biochemical filter tank, a discharged water tank and an equipment room, the sewage equalizing tank is provided with a water discharge pump and is connected with the sewage pretreatment tank and the biochemical tank; the biochemical tank is provided with an overflow hole, and is connected with the biochemical filter tank; the bottom of the biochemical tank is provided with a sludge discharge pump, the bottom of each of the biochemical tank and the biochemical filter tank is provided with an aerating pipeline connected with a blower and an aerating head, and a filter membrane and a back flush pump are arranged in the biochemical filter tank; and the device is also provided with a control board connected with the above pumps and the fan. The running method comprises the steps of water feeding, aeration of the biochemical tank, precipitation of the biochemical tank, feeding of water to the biochemical tank and aeration of the filter tank, aeration of the biochemical tank, precipitation of the biochemical tank, sludge discharge of the biochemical tank, and back flushing of the biochemical filter tank. The device is suitable for rural sewage treatment, has the advantages of simple operation, unmanned operation and low cost, and realizes advanced nitrogen and phosphorus removal of the rural sewage.

The invention discloses a pretreatment method used for processing old household garbage leachate. The pretreatment method comprises following steps: 1, old household garbage leachate is introduced into an ultraviolet-Fenton reactor, the pH value of the old household garbage leachate is adjusted to be lower than 7, a ferrous ion solution is introduced into the ultraviolet-Fenton reactor, and hydrogen peroxide is introduced into the ultraviolet-Fenton reactor; 2, the ultraviolet wave band in the ultraviolet-Fenton reactor is adjusted, oxidation reaction is carried out under ultraviolet lamp irradiation, and the ultraviolet lamp is coated with a reaction system liquid surface, after oxidation, water discharged from the ultraviolet-Fenton reactor is introduced into a flocculation sedimentationbasin, pH value is adjusted to be higher than 7, and an obtained solution is allowed to stand for precipitation; 4, a supernatant obtained in the flocculation sedimentation basin is introduced into amineralized refuse bioreactor, is subjected to primary filtering using a filter layer A, and is introduced into a nitration reaction layer for nitration and denitrification reaction, after processing, obtained discharged water is introduced into a filter layer B and is discharged. The invention also discloses a device using the pretreatment method. The method and the pretreatment method are capable of improving biodegradability of old household garbage leachate.

The invention relates to a sewage pretreatment integration device. According to the characteristics of rural towns and residential communities, sewage treatment equipment needs to be miniaturized and generalized, and is designed through research; grille intercepting, sand settling and regulating pool design are integrated; the traditional three-unit operation mode is changed. The traditional grid design is changed into a grid lifting basket design in the device; the manual operation is used; no mechanical equipment is used; the maintenance is not needed in the operation process. A sand settling pool uses an aeration rotational flow vertical flow sand settling mode in the design; the sand settling is accelerated through an air flow rotating effect; the sand discharging adopts a gravity sand discharging mode; no mechanical equipment is installed; the maintenance is not needed in the operation process. For a regulating pool in the design, a submersible pump is arranged in the regulating pool for lifting sewage into a sewage treatment device; a flow pushing stirrer is arranged; through the effect of anaerobic bacteria, organic matters are subjected to hydrolysis, acidification and methanation; the organic matters in wastewater are removed; the biodegradability of the sewage is improved; the subsequent aerobic biological treatment is favorably realized.

A dual-shock sound speed varying boosting heat exchanger is composed of a tubular body with inlet, outlet, water inlet and auxiliary water inlet, steam spray tube with reducing diameter and arranged at the inlet of tubular body, boosting mix tube with reducing diameter, mixing chamber, and diffusing tube with expanding diameter and arranged at outlet of tubular body. Said boosting mix tube and mixing chamber are between said water inlet and auxiliary water inlet. Its advantages are boosting and instantaneous heating effect, saving energy and low cost.

The invention provides a preparation process of amino acid N-carboxylic acid anhydride, which comprises the following operations: amino acid and methyl chloroformate are used as starting raw materials to react under an alkaline condition to generate N-methoxycarbonyl-amino acid, and the N-methoxycarbonyl-amino acid is separated and purified under an acidic condition; dissolving the purified and dried N-methoxycarbonyl-amino acid in a solvent, mixing with a ring closing reagent thionyl chloride, and reacting at a certain reaction temperature to generate an amino acid N-carboxylic acid anhydride crude product; and adding a good solvent into the obtained amino acid N-carboxylic acid anhydride crude product, filtering to remove impurities, adding a poor solvent into the filtrate, recrystallizing under freezing, and drying to obtain the amino acid N-carboxylic acid anhydride (NCA). The preparation process is simple and convenient in method, easy to purify, stable in process, controllable in quality, low in anhydrous requirement on a reaction system, greatly improved in product yield, greatly reduced in reaction risk and suitable for industrial mass production.

The invention discloses a return-type material taking system and a return-type material stacking and taking method for bridge-type roller material taking machines of a raw material storage yard. The system comprises two or more material strips which are arranged in the raw material storage yard in parallel, rocking arm material stacking machines and the bridge-type roller material taking machines, and is characterized in that rocking arm material stacking machine tracks, one of the rocking arm material stacking machines and a material stacking belt conveyor are arranged between every two material strips; bridge-type roller material taking machine tracks and the bridge-type roller material taking machines are arranged on two sides of each material strip; material taking belt conveyors are arranged on the same side of each material strip; a pit for a vehicle traction platform is formed in the end part of each material strip; the corresponding vehicle traction platform, a vehicle traction platform track and a traction device are arranged in each pit; two butt tracks are arranged at the upper part of each vehicle traction platform. By virtue of the return-type material stacking and taking method for the bridge-type roller material taking machines of the raw material storage yard, on the premise of achieving the process aim of the raw material storage yard, a piece of material taking equipment is eliminated, the production efficiency of material stacking and taking equipment is effectively improved, and the economic cost and the labor cost for daily maintenance are reduced.

The invention relates to an in-situ upgraded treatment method for realizing zero discharge of refinery and chemical wastewater and particularly relates to an upgraded treatment process for treating refinery and chemical wastewater by using an activated sludge process and a hydrolytic acidification-activated sludge process and an implementing method of the upgraded treatment process. According to the method provided by the invention, the existing refinery and chemical wastewater treatment structure is adopted, and specific hollow three-dimensional stuffing and polyurethane foam stuffing are filled in a corridor biological reaction tank for biological membrane hydrolytic acidification and biological membrane contact oxidation, so that operation process parameters are regulated, and a biological membrane-activated sludge symbiotic A / O (anaerobic / aerobic) wastewater treatment process is formed. The method has the advantages that the number of the wastewater treatment structure is not increased, and the in-situ upgraded treatment method is suitable for upgrading and modifying the traditional wastewater treatment system, stable in effluent quality and high in COD (chemical oxygen demand) (namely CODcr, same as follows) as well as ammonia nitrogen and total nitrogen removal ratio, wherein the COD of effluent is less than 50mg / L, the ammonia nitrogen content is less than 5mg / L and the total nitrogen content is less than 20mg / L, so that the upgraded discharge standard requirement is met.

The invention discloses a heat supply network circulating water system of a cogeneration unit and an adjusting method. The heat supply network circulating water system comprises a water supply pump turbine, a boiler water supply pump and a heat supply network circulating water pump, the boiler water supply pump and the heat supply network circulating water pump are coaxially arranged, the boiler water supply pump is connected into a boiler water supply pipeline, and the heat supply network circulating water pump is connected into a heat supply network circulating water supply pipeline; and the boiler water supply pump and the heat supply network circulating water pump are jointly driven by the water supply pump turbine, and boiler water supply and heat supply network circulating water supply are achieved at the same time. The adjusting method comprises the steps that when the outlet flow of the heat supply network circulating water pump is smaller than the total flow of heat supply network circulating water, a standby heat supply network circulating water pump is started, an outlet valve of the standby heat supply network circulating water pump is opened, and the sum of the outlet flow of the heat supply network circulating water pump and the outlet flow of the standby heat supply network circulating water pump meets the requirement of the total flow of heat supply network circulating water by adjusting the scoop tube opening degree of a hydraulic coupler. The equipment investment cost is reduced, and the capital construction investment of the initial station of the heat supply network is reduced.

The invention discloses a method for treating flue gas generated by petroleum coke calcination. The method comprises the following steps: firstly, dusty flue gas generated by a petroleum coke cooler undergoes primary dedusting through a deduster, and usable petroleum coke dust collected after primary dedusting is returned to a production system as a production material; flue gas treated by primary dedusting is led in a rotary kiln flue gas treatment system through a draft fan; carbon dust contained in the flue gas undergoes combustion treatment inside a combustion chamber; and finally the flue gas is discharged into the atmosphere through the draft fan and a chimney. Due to adopting a dry method, namely a combustion (incineration) treatment method, the method does not cause the problems of water resource consumption and secondary treatment of sewage; meanwhile, the method ensures high recovery rate and high comprehensive utilization rate of petroleum coke dust in the flue gas after calcination; moreover, the method has the advantages of improvement of flue gas purification efficiency in raw materials, reduction of production cost, simple equipment, less land occupation and great reduction of construction capital investment and production and operation cost.

The invention discloses a BIM-based earthwork amount calculation method. The method comprises the following steps: selecting a plurality of survey points in a survey site; inputting the survey point coordinate data of the site subjected to coordinate processing into CASS software to complete input of the survey point coordinate data; Connecting lines to the peripheral survey points by using the red lines so as to draw a geological survey map of the survey site; In the CASS software, dividing the geological survey map into m * m grids, and inputting the elevation of each grid after the actual site is flat on the geological survey map; And using CASS software to calculate the earthwork amount required to excavate or fill the site in the red line in the geological survey map until the site isflat. According to the method, the work amount of earthwork excavation and filling of the project can be accurately calculated, calculation and checking of the cost of the earthwork project are facilitated, and control over the construction progress is enhanced.

The invention belongs to the technical field of coal chemical industry, and relates to a gasifying process route for clean and efficient utilization of coal, in particular to an energy-saving water-saving gas / steam cogeneration gasifying process. The gasifying process includes that a carbon-containing powder material reacts with an oxidant in a gasifying furnace, generated high-temperature synthetic gas and waste residue are directly cooled by a radiation waste pot, and high-temperature sensible heat is recycled to generate high-quality steam; gas-solid separation is performed through a dry deashing process, and a downstream process is proceeded. By utilizing the gasifying process, sensible heat of high-temperature raw gas and high-temperature slag is recycled, high-temperature high-pressure steam can be obtained at the same time, gas-steam cogeneration is realized, water resources are saved, and energy utilization efficiency is improved; the gasifying process has good economic benefitand is reliable in running, environment-friendly and efficient.