1670results about How to "Save engineering investment" patented technology

The invention relates to high-salt complex wastewater reuse and zero discharge integrated equipment and a technology. The equipment provided by the invention comprises a pretreatment system, a reuse and reduction system and a zero discharge system. The technology comprises the following steps: carrying out homogenization and averaged quantity on high-salt complex wastewater, successively adding sodium hydroxide, sodium carbonate, PAC and PAM to carry out coagulation treatment, letting a mixed liquor which has undergone coagulation treatment enter a filter tank for sedimentation and filtration by the use of an immersed microfiltration membrane, letting a supernatant enter a reverse osmosis treatment process, letting pure water obtained by reverse osmosis treatment enter a reuse water tank for utilization, further condensing condensed brine, and crystallizing the condensed brine or putting the condensed brine into an evaporation pond for atomization and evaporation processing, wherein the reverse osmosis treatment adopts three-level RO: a medium-pressure membrane element is firstly used for desalination and condensation; a high-pressure membrane element is then used for further desalination and condensation; and a ultrahigh-pressure membrane element is finally used for further desalination and condensation. According to the invention, 95% of reverse osmosis concentrated water or analogous high-salt complex wastewater can be recovered for reutilization, only 5% of high strong brine is left to undergo evaporative crystallization or enter the natural evaporation pond. Water resources are fully recycled, and reuse and zero discharge costs of high-salt complex wastewater are reduced.

The invention discloses a sintering flue gas desulfurization cycle enrichment methods and device, the described method from the sintering machine take part gas return to the top of sintering machine sealed enclosures within cycle, while complementing sintering machine burning need oxygen, the remaining part of the flue gas discharge after desulfurization. In devices, including dedusting device of flue gases between the chimney and flue, in the road before the desulfurization setup a branch pipeline to connect sintering machine sealed enclosures, in the branches of pipe setup cycle fan and supplement device. This invention due to sintered exhaust gas partly return to the seal trolley of sintering machine to reduce the displacement of gas, thereby reducing the total of dust and exhaust gas, while the SO2 of the sintering process play a enrichment role, to increase desulfurization efficiency, and reduce release total of burning exhaust gas, reducing the processing load of desulfurization device.

A silicate cement able to resist against corrosion of Cl salt is proportionally prepared from silicate cement clinker, mixture material, gypsum, assistant and optional short fibers through proportional mixing.

The present invention relates to shale oil processing procedure, which includes the steps of hydrogenating shale oil to obtain hydrogenated shale oil; separating into heavy hydrogenated shale oil and light product; catalytically converting the heavy hydrogenated shale oil to obtain dry gas, liquefied gas, gasoline, diesel oil and catalytic heavy oil; and returning the diesel oil to the hydrogenating step. The shale oil processing procedure has the advantages of high light product yield and high product quality.

The invention provides an in-situ self-sustaining contaminated soil restoring device by simulating the capillary phenomenon and the transpiration function of a plant and a method for restoring soil by utilizing the device. The restoring device comprises the following members: a main body, filling materials, an evaporator and accessories, wherein the main body is a hollow pipe fitting which is tightly filled with the filling materials; the filling materials are supported by depending on the accessories; the evaporator is arranged at the top end of the main body pipe fitting; the accessories are mainly of supporting materials for mounting other members. The specification of the restoring device is selected and the distribution density and depth are selected according to soil contamination conditions, and then the restoring device is inserted into the soil, so that contaminants in the soil are driven to move by utilizing the capillarity phenomenon and the transpiration function of the restoring device so as to be transferred into the restoring device. Thus, the contaminants in the soil are effectively removed.

The invention relates to an urban sludge, excrement and kitchen garbage combined treatment process as a novel process, in particular to an urban sludge, excrement and kitchen garbage combined treatment process under the demands of lower investment from government, less occupying area and lower running cost. In the combined treatment process, a pretreatment unit, a combined tempering unit, an intermediate-temperature anaerobic digestion unit, a digestive juice dewatering unit, a methane purifying unit and a biogas treating unit are included. The invention provides a novel treatment process in order to solve the problems of pollution from urban sludge, excrement and kitchen garbage.

This invention relates to coupling apparatus and method for desalting seawater by using nuclear energy. The apparatus comprises: a small-scale nuclear thermal reactor, a reverse osmosis seawater desalting system, a distillation seawater desalting system, and auxiliary apparatus. The method comprises: (1) transferring the heat generated from the small-scale nuclear thermal reactor to the steam generator, and driving the reverse osmosis high-pressure pump with the generated saturated steam in the turbine for seawater desalting; (2) introducing the saturated steam exhausted from the end stage of the turbine to the distillation seawater desalting system for seawater desalting; (3) returning the condensed water to the steam generator; (4) introducing seawater into the distillation seawater desalting system, cooling at the heat discharge section, sending to the reverse osmosis high-pressure pump, pressurizing, sending to the reverse osmosis seawater desalting system, storing the product water in a desalted water tank, and utilizing the condensed seawater or discharging into sea. The method has such advantages as advanced technology, high heat utility, high water productivity and high water quality.

The invention relates to a construction method for a double-block-type ballastless track bed slab, which comprises the following steps: 1, clearing a base surface and performing construction lofting; 2, placing a bottom layer of reinforcing steel bars, and laying sleepers; 3, mounting a tool track and adjusting the sleepers; 4, assembling track panels; 5, coarsely adjusting the track panels; 6, binding the reinforcing steel bars and performing earthing welding; 7, mounting templates and finely adjusting the track; 8, casting concrete into the track bed slab; 9, loosening adjusting devices and fasteners, and curing the concrete; and 10, relocking the tool track and completing the measurement. The construction method has the advantages that: the tool track is adopted as a detection standard, so the precise positioning of the track is realized; a frock system is simple, is easy to process and manufacture, has wide commonality, and is not only suitable for construction of the track bed slab in a subgrade section but also suitable for construction of the track bed slab in a bridge section; the construction process is simple and quick, and various working procedures are easily carried out by flow construction; and the construction cost is low, so the construction investment is effectively saved.

The invention relates to revetment combination system that has cutoff purifying function to the river rainfall runoff surface contaminating material. It sets non-sand concrete curbstone at the intersection of road and bank slope, a catch water channel is set at one side of intersection road, where coarse sand bedding is paved. Crushed stones are filled in the channel, and the top of channel is sealed by non-sand concrete. On the band slope toward water side paves coarse sand, crushed stone of different thickness, and ecology brick. Cement laid stone masonry breast wall is set at basal slope, and growing plant at the bank slope. It increases the residence time for runoff in the system and takes purification to it.

The invention discloses an integral tensioning and relaxation system for pre-tensioning method prestressing technology and a process, which have the advantages of simple construction, material saving, and an accurate exertion of prestressing force value. The integral tensioning and relaxation system comprises a fixed cross beam at a passive end, a prefabricated pedestal, a fixed cross beam at a tensioning end, a movable cross beam, and a pair of jacks arranged between the fixed cross beam at the tensioning end and the movable cross beam. The invention is characterized in that the invention at least comprises one fine bundle spiral steel tool pull rod, and the fine bundle spiral steel tool pull rod is connected with a corresponding working pull rod through a connector for the corresponding working pull rod and a tool pull rod; the working pull rod is connected with a corresponding steel strand through a corresponding steel strand-fine bundle deformed steel bar connector; the other end of the steel strand is then connected with another corresponding working pull rod through the corresponding steel strand-fine bundle deformed steel bar connector; the working pull rod is fixed on the fixed cross beam at the passive end.

The invention discloses a sewage biochemical treatment integrated device, system and process method. The sewage biochemical treatment integrated device comprises a pond body (17), wherein an incline guide baffle plate (6) is arranged in the pond body (17), one side of the incline guide baffle plate (6) is provided with an aeration assembly (12) and a vertical gas stripping and reflowing assembly (4), an outer reflowing sludge discharging bucket / trough (13) is arranged between the aeration assembly (12) and the incline guide baffle plate (6), the other side of the incline guide baffle plate (6) is provided with a settling assembly (10) and an incline guide plate / tube (9) parallel with the incline guide baffle plate (6), a chemical spraying perforated pipe (8) is arranged above a water feeding hole of the incline guide plate / tube (9), a settled sludge discharging bucket / trough (14) is arranged below the settling assembly (10), and a movable shielding plate (16) is arranged above the settling assembly (10). The sewage biochemical treatment integrated device has the advantages of small occupation area, low energy consumption, engineering investment reduction, low operation cost and easiness in operation and management because of the combination of gas stripping and reflowing circulating denitrification and suspension cleared sediment dephosphorization.

The invention relates to a plant repair method for treating soil polluted by arsenic, lead and cadmium. In the soil combinedly polluted by arsenic, lead and cadmium, the method of single planting, interplanting of another crop, interval seeding or hybride are adopted to directly transplant or sow aster subulatus and ghostplant sagebrush. The treatment and restoration on the soil combined polluted by arsenic, lead and cadmium is completed by the following steps: the hyperaccumulator property of two plants on arsenic, lead and cadmium is used for vastly absorbing arsenic, lead and cadmium enriched in soil; the elements are upward transported and shifted to the over ground part; and the harmful elements such as arsenic, lead and cadmium in the soil are removed by reaping the over ground part.

The invention provides a concrete combined aggregate processing system, which comprises a first receiver bin. A first bar type feeder is disposed below the first receiver bin, the undersize part of the first bar type feeder is connected to a rejected material storage yard through a first adhesive tape machine, and the oversize part of the first bar type feeder is connected to a first jaw crusher. The discharge port of the first jaw crusher is connected to an artificial break stone storage yard through a second adhesive tape machine. A second bar type feeder is disposed below a second receiver bin. The oversize part of the second bar type feeder is connected to a second jaw crusher, and the undersize part of the second bar type feeder as well as the discharge port of the second jaw crusher is connected to a natural gravel storage yard through a third adhesive tape machine. The system provided in the invention can adopt two material sources at the same time to conduct production and processing, and the processed combined aggregate can satisfy the quality requirements of concrete aggregates, so that the work efficiency of the aggregate processing system can be enhanced. Moreover, the system is in favor of the sufficient use of project excavation ballast materials so as to reduce resource investment and project investment, and is also beneficial to environmental protection.

The invention relates to a centralization remote power feeding system including a primary device machine room arranged with wireless primary devices and power supply primary devices, which include an inverter and a transmission primary device for converting the external electricity 380 V industrial electricity into the -48 to 24 V DC to access to the wireless primary devices to cause the wireless primary devices operate normally; the -48 to 24 V DC is converted to the 220-380V AC through the inverter of the power supply primary devices, then the power is transmitted to the farend unit of the farend covering system of the base station part newly built through the common rod transmission mode of the power transmission line and the optical fiber transmission line, providing the stable power to the farend unit, thereby completing the construction of the whole base station. The invention reduces the building size of the base station, saves the project invest and advances the net operation safety reliability, which is applied in the signal covering of the road, the subway , the tunnel of the city and the small countryside base station.

An industrial process for reclaiming the waste acid in the production of titanium white powder by sulfuric acid method features that the waste acid is concentrated by fume and then by steam. Its advantages are high efficiency, low cost, and no environmental pollution.

The invention relates to a method for treating highly concentrated ammonian wastewater with poor biodegradability by using a multiple-technique combination, which belongs to the technical field of wastewater treatment. The method is characterized in that: the ammonian wastewater primarily enters a pH adjusting tank for adjusting the pH value to be 11-12.5 and enters a blow-off tower for blowing off with the gas-liquid ratio being 3000-4500, the blown-off wastewater enters a chemical precipitation tank, magnesium salts and phosphates are added according to the mol ratio of Mg : N : P being 1.4-1.7:1:1 for reacting with the wastewater to generate ammonium magnesium phosphate precipitate for removing ammonian, yielding water enters a break point chlorination tank, chlorine-containing oxide is added according to the weight ratio Cl / N being 9-12:1 of active chlorine and ammonian, the wastewater is transferred to a reducing tank after the reaction, reducing agent is added according to 1-1.1 times of theoretical mol value of the yielding water completely reacting with residual chlorine, and the wastewater can be directly discharged after the reaction. The treatment method has simple operation, high reaction speed and low wastewater treatment cost, and can lead ammonian to be recovered without secondary pollution to environment; and the yielding water can reach primary emission standard.

The invention provides a phytoremediation method for managing composite cadmium-lead-arsenic contaminated soil. The method comprises the following steps: step S1: selecting a cadmium-enriched castor-oil plant variety; step S2: obtaining cadmium-lead-arsenic composite contaminated soil with neutral acidity and alkalinity; step S3: planting cadmium-enriched castor-oil plants and ciliate desert-grass in an intercropping manner in the cadmium-lead-arsenic composite contaminated soil with neutral acidity and alkalinity for surviving and growth, and harvesting matured castor-oil plants at regular intervals, and carrying out step S5; step S4: harvesting the upper part of the ciliate desert-grass according to the growth height of the ciliate desert-grass, and carrying out the step S5; retaining stubble of the ciliate desert-grass on the soil surface, and carrying out the step S3; step S5: feeding the harvested and matured castor-oil plants and ciliate desert-grass to an exclusive place for concentration and carrying out innocent treatment. The invention further provides a phytoremediation method for managing cadmium contaminated soil. The phytoremediation method is suitable for managing and repairing cadmium-lead-arsenic moderately and slightly contaminated soil, and has good practical application prospect.

The invention discloses an icing degree classifying system for a power transmission line, aiming at solving the problem that the systematized icing degree classifying system which causes the influence of local meteorology and topographical feature on icing degree is not established in the prior art. The icing degree classifying system comprises a system module, a high-resolution reanalysis circulation data ERA-40 database, an NCEP / NCAR reanalysis database, an area icing observation database, an area meteorology database, an area topography database and a displaying and printing system, wherein the system module is used for classifying the icing degree of the power transmission line and is controlled through a CPU; the high-resolution reanalysis circulation data ERA-40 database, the NCEP / NCAR reanalysis database, the area icing observation database, the area meteorology database and the area topography database are respectively connected with the input ends of the system module; and the displaying and printing system is connected with the output end of the system module. On the premise of ensuring the safe running of the power transmission line, the icing degree classifying system saves project investment, reduces later maintenance cost, prolongs the service life of the power transmission line, and provides the advanced and applicable technique for the design of the power transmission line in future, thus having good economic benefit and social benefit.

The invention belongs to the technical field of environmental protection treatment and chemical engineering production, and relates to a production process for preparing calcium oxide and sulfur dioxide by decomposing ardealite. The process comprises the following steps of: mixing the ardealite and charcoal according to a dry weight ratio of 10-20:1, granulating the mixture to obtain particles of which the particle size is between 1 and 4mm, drying and dewatering the particles, putting the particles in a fluidized bed decomposing furnace to be directly contacted with high-temperature furnace gas for reaction for 15 to 50 minutes at a temperature of between 1,000 and 1,300 DEG C, and generating the sulfur dioxide gas and the calcium oxide. The process can solve the problem of comprehensively utilizing waste residues of ardealite, the content of SO2 in the discharged tail gas is high enough to be used for producing sulfuric acid, and the calcium oxide which is a byproduct can be used in various industries such as construction, road, aquaculture and the like, so that the process meets the requirements on the scientific outlook on development; moreover, compared with the process for co-production of cement by sulfuric acid prepared by the ardealite, the process greatly saves investment and electric consumption.

The invention discloses a fish pass facility and method with a fish ladder and a navigation lock combined, and relates to a facility and method for migratory fishes to move upstream through a barrage building. The fish pass facility comprises a fish luring ladder with the inlet end arranged in the downstream river channel of a dam, wherein the fish luring ladder is a slope type channel which is internally provided with a low weir, the slope type channel inclines in the upstream direction and extends in the direction of the lock chamber of the navigation lock as a whole, the outlet end of the fish luring ladder is connected with a fish collecting pond which is connected with a transfer pond through a connecting channel, branch water diversion pipes are arranged in the transfer pond, the transfer pond is partitioned by a transverse partition wall into a main transfer pond and an auxiliary transfer pond, a lower gate is arranged in the transverse partition wall, a water flowing channel is formed in the side wall of the lock chamber of the navigation lock and is communicated with the transfer pond and the lock chamber of the navigation lock, and an upper gate is installed on the water flowing channel. According to the fish pass facility and method with the fish ladder and the navigation lock combined, the fish ladder and the navigation lock are combined, the upper end of the fish ladder is arranged in the lock chamber of the navigation lock, the influences caused by the upstream and downstream water head are overcome through the navigation lock, and therefore migratory fish shoals can pass through the dam; the length of the project of the fish ladder can be obviously reduced, and therefore input cost is reduced.

The present invention relates to a method of one pile for three applications in the underground engineering, in particular to a combination technology of a temporary enclosure structure and a permanent structure. The temporary enclosure structure can not be rejected after enclosure in the construction phase of the underground engineering, and plays a role in the surrounding permanent engineering pile (load bearing or floating resistance) after completion of the engineering; meanwhile, as a composition of an external wall of the underground engineering, the horizontal lateral pressure and the civil air pressure, one pile for three applications. The present invention has the beneficial effects that: (1) the temporary enclosure structure to be rejected in the traditional construction method plays a role in the surrounding engineering pile and the external wall of the basement for permanent use, which saves a lot of investment; (2) the present invention has the advantages of easy construction and construction machinery, low cost, high adaptability and etc. (3) the enclosure pile is constructed against the external wall of the underground engineering, which removes the difficulty of failure of the enclosure pile restricted by area in old urban areas.

The invention discloses circulating fluidized bed advanced treatment equipment for industrial wastewater. The equipment comprises a tank body for the Fenton oxidation reaction of wastewater, wherein the tank body is divided into a circulating water distribution zone, a FeOOH crystallization zone and a gas-water separation zone from bottom to top in turn; the circulating water distribution zone is provided with a water distributor and a circulating water inlet; the circulating water inlet is connected with the output ends of a FeSO4 dosing pump, a H2O2 dosing pump and a circulating pump simultaneously; the FeOOH crystallization zone is provided with a crystal bed layer, a solid discharge pipe and a circulating water outlet; the circulating water outlet is connected with the input end of the circulating pump; the gas-water separation zone is provided with a gas-water separation barrel, a wastewater input pipe extending to the gas-water separation barrel, a gas discharge pipe, an annular effluent weir and a purified water discharge pipe; and the wastewater input pipe is connected with the output end of an influent pump. The equipment has the characteristics of low operating cost, low sludge yield and good treatment effect, is flexibly and conveniently operated, and is particularly suitable for the industrial wastewater containing non-degradable organic matters.

The invention relates to a train safety protective method for automatically adjusting braking force service factors of motor train unit, which includes: firstly, arranging a train braking force state monitor on each vehicle of the motor train unit to monitor braking force state of each vehicle in real time; and secondly, using a vehicular subsystem of a train overspeed protective system to receive braking force state information monitored by each vehicle braking force state monitor in real time through an extended information receiving interface or information receiving interface arranged independently, automatically adjusting braking force service factors and train maximum permitted operating speed value according to the information, using a specific arithmetic formula to calculate a train braking distance, and adjusting generated train speed-distance safety protective curves such as a common braking control curve, an emergency braking control curve, a permitted operating speed control curve and the like in real time to automatically realize safety protection in running of the trains so as to improve running safety of the motor train unit.

The present invention discloses a low energy consumption hydrocracking method for processing a poor-quality raw material. According to the method, a raw material and hydrogen gas are mixed, are subjected to heat exchange two times, pass through a heating furnace, and then are subjected to a hydrorefining reaction; the refining effluent is subjected to separation and fractionation; the obtained tail oil enters a hydrocracking reaction zone, wherein the cracking reaction zone comprises at least two cracking catalysts, the upstream is a catalyst I, the downstream is a catalyst II, the catalyst I contains 15-50 wt% of a modified Y molecular sieve, the catalyst II contains 3-30 wt% of the modified Y molecular sieve, and the modified Y molecular sieve content in the catalyst I is 10-25% higher than the modified Y molecular sieve content in the catalyst II; and the hydrocracking effluent and poor-quality raw material oil are mixed and then enter a hydrorefining reaction zone. According to the method of the present invention, the high temperature high pressure countercurrent heat transfer technology and the hydrocracking catalyst grading technology are organically combined, and the hydrocracking reaction heat is comprehensively utilized, such that the catalyst selectivity is maintained while the target product quality is improved, and the project investment and the operating energy consumption are reduced.

The invention discloses a hydrocracking method of low-nergy-onsumption productive high-quality chemical raw materials. After raw oil and hydrogen are mixed, the obtained mixture is subjected to heat transfer for two times and then passes through a heating furnace, the obtained object is sequentially subjected to hydrorefining and then passes through a first cracking reaction area, the obtained product is separated so as to obtain middle distillate, the middle distillate enters a second cracking reaction area to crack, wherein the first cracking reaction area is at least filled with two cracking catalysts, a catalyst I is filled in the upstream part, and a catalyst II is filled in the downstream part; and the catalyst I contains 30-70% of modified Y molecular sieve, the catalyst II contains 15-50% of modified Y molecular sieve, and the content of the modified Y molecular sieve in the catalyst I is 10-30% higher than the content of the modified Y molecular sieve in the catalyst II. In the method disclosed by the invention, a high-temperature and high-pressure countercurrent heat transfer technology and a hydrocracking catalyst grading technology are organically combined, and through the comprehensive utilization of hydrocracking reaction heat, while the selectivity of catalysts is maintained, the product quality is enhanced, and the construction investment and the energy consumption of operation are reduced.

The invention relates to an ammoniation granulator and a compound fertilizer production technology by an amino acid method, aiming at solving the technical problems in the compound fertilizer production process that: biuret is easy to generate, the granulating effect is not good, the production efficiency is low and the energy consumption is high. An amino acid distributor of the ammoniation granulator is respectively and independently arranged, an amino spraying branch pipe provided with an inclined plane spout has an angle of 30 to 60 degrees with a vertical line on the cross section of a cylinder, the rotating directions of the inclined plane spout and the cylinder are consistent; the spout of an acid spraying branch pipe is correspondingly arranged in the opening direction of the inclined spout of the amino spraying branch pipe; and when ammoniation granulating, the granulator sprays liquid ammonia in a material layer with the pressure of 0.5 to 1.0MPa through the amino distributor, an acid distributor sprays sulphuric acid of 50 to 70 percent in the material layer with the pressure of 0.2 to 0.5Mpa, and each ton of solid material is injected with 15 to 25kg of liquid ammonia and 16.8 to 39.2kg of dilute sulphuric acid. The invention is applied in various raw materials and suitable for the scale production of various compound fertilizers; and the finished products have perfectly round and solid particles, are water resistant and movement resistant and not easy to be crushed and agglomerated.

The invention provides a water conveyance tunnel with a prestressed composite lining for shield tunnelling. The tunnel comprises an ordinary reinforced concrete outer lining (1) which is formed by shield construction and is an assembled segment ring, wherein segments on the same ring are connected by connecting bolts (2); dowel bars (3) are installed in hand holes on the assembled segment ring; concrete is directly poured on the outer lining (1) to form an inner lining (5); shear keys (6) are formed in such a manner that concrete is filled in the hand holes of the outer lining; and the inner lining (5) and the outer lining (1) are combined via the dowel bars (3) and the concrete shear keys (6) to form a composite lining structure. Thus, the defects of great construction difficulty, long construction period and higher investment caused by the separated pressure pipeline water conveyance scheme for shield tunnelling are overcome. The technical problems of high head, high flow, high load and possibility of endangering the tunnel safety due to seepage of underground water, which are encountered when the soft soil layer of the riverbed is tunnelled in the shield tunnelling construction of the Yellow River crossing tunnel, are solved. Besides, the invention reduces the project investment and has obvious social benefits.

The invention relates to the fields of environmental engineering and ecological engineering. An ecological check dam prevention and control system for three gorges reservoir region hilly land ravine agricultural non-point source pollution is characterized in that multiple levels of ecological check dams are in trapezoidal distribution with natural fall from high to low along with the hilly land; each level of ecological check dam consists of a water storage regulating pond, a constructed wetland and a check dam main body, which are arranged sequentially according to the water flow direction; the water storage regulating pond is communicated with an overflow port in the previous level of the check dam main body. The system can effectively intercept and control the hilly land ravine agricultural non-point source pollution of the drainage basin, can reduce water and soil loss, can perform water-harvest irrigation, can reduce attenuation of channel nutrients before and after rainfall on sloping fields, and can realize ecological interception of agricultural non-point source pollutants.

The invention discloses a printing and dyeing wastewater processing system. The printing and dyeing wastewater processing system comprises a comprehensive wastewater preprocessing system, a depth reuse processing system and a sludge processing system, wherein the sludge processing system comprises a sludge pool; the comprehensive wastewater preprocessing system comprises an adjustment pool, a coagulative precipitation pool, a water discharging pool, a biological hydrolysis-acidification pool, an aerobic contact oxidation pool, a radial flow type secondary sedimentation pool and an intermediate water pool which are sequentially connected; the depth reuse processing system comprises an automatic backwashing sand filtration system, a pressure type ultrafilter membrane system, an RO membrane system and an RO reuse water pool which are sequentially connected; the sludge outlet of the radial flow type secondary sedimentation pool is communicated with the sludge pool; and the water outlet of the intermediate water pool is communicated with the automatic backwashing sand filtration system. According to the invention, the quality of the depth reuse water reaches outlet water quality standards; and the deepwater reuse can saves the water resource, and COD discharge is reduced year by year, so the content of discharged ammonia nitrogen can reach standards.

The invention discloses an even blending stock ground transmission system which is arranged to be two spans, even blending material piling machines (10 and 11) and even blending reclaiming machines (20 and 21) are respectively arranged in each span; deformed tracks (60a and 61a) are arranged only at the outer sides of the even blending material piling machines (10 and 11), while the inner sides of the even blending material piling machines (10 and 11) utilize adjacent deformed tracks (70b and 71b); the deformed tracks (70b and 71b) are arranged at outer sides of the even blending reclaiming machines (20 and 21), while the inner sides thereof is provided with deformed tracks (70a and 71a) or only one deformed track according to different situations; each of the even blending material piling machines (10 and 11) has a belt-typed piled material conveyor (30 and 31); the even blending reclaiming machines (20 and 21) utilize the belt-typed piled material conveyors (30 and 31) that are arranged in a corresponding span when reclaiming materials; and stock dumps (50 and 51) are arranged between the two deformed tracks of the even blending reclaiming machines (20 and 21). The even blending stock ground transmission system has saved investment, small area occupation and simple design.