2078 results about "Land occupation" patented technology

The invention provides artificial soil and a method for land reclamation by the aid of gold mine tailing slag backfill exploitation regions. The method includes carrying out filling and compaction onthe tailing waste slag backfill exploitation regions; uniformly mixing various components of the optimally designed artificial soil with one another and ultimately covering tailing waste slag backfillsurfaces with the novel artificial soil with a certain thickness so as to effectively treat mine tailing. The artificial soil and the method have the advantages that the prepared artificial soil contains abundant nutrient components, the contents of organic matters can be increased, the gas permeability of the soil can be improved, and the artificial soil is excellent in water retention capacityand fertilizer preservation capability and suitable for growth of plants; organic thoroughly decomposed substances come from agricultural and forestry waste, are extensive in source and are easily available, accordingly, solid waste can be comprehensively utilized in a 'reduction, resource utilization and harmlessness' manner, and the artificial soil and the method conform to principles of circular economy; the land occupation problems of tailing ponds and the problems in the aspect of tasks of land reclamation of mined-out regions can be simultaneously solved by the aid of the artificial soiland the method, and the artificial soil and the method have large market spaces.

The invention relates to a short-process environmentally-friendly comprehensive red mud utilization method and equipment for comprehensively utilizing energy, which can be used for refining iron in high-pollution red mud difficult to treat, with high efficiency, high quality and high benefits, and applying the iron to electric furnace steel making or steel casting and the like, without using coke, so as to realize the large-scale comprehensive utilization of the red mud. High-temperature smoke of a revolving bed is used for waste heat generation, secondary-combustion hot wind preheating, pellets preheating and red mud drying, a dry quenching pellet technology is used for applying the heat of high-temperature pellets to waste heat generation so that waste heat is fully utilized, a low-cost pressure swing adsorption oxygen generation technology is utilized, and therefore, the comprehensive energy consumption and the production cost are low. Aluminum silica residues are used for producing high-grade cement or used as the raw material for refractory materials; and Na2O and K2O and other alkaline metallic oxide powder are used for refining metal Na and K, or used for producing the raw materials of fertilizers, or used as chemical raw materials. Accordingly, the problems on environmental pollution, land occupation for stacking and safety due to the red mud are thoroughly solved, and the economic and social benefits are obvious.

The invention discloses baking-free gravel-shaped attapulgite attapulgite fly ash ceramisites. The main point of the technical scheme is that: the baking-free gravel-shaped attapulgite attapulgite fly ash ceramisites comprise attapulgite clay tailing powder, fly ash, bentonite tailing powder, gravel ash and cement. The components of the baking-free gravel-shaped attapulgite attapulgite fly ash ceramisites are subjected to mixing, pelletizing, curing, crushing, screening and packaging to obtain the baking-free gravel-shaped attapulgite attapulgite fly ash ceramisites. The baking-free gravel-shaped attapulgite attapulgite fly ash ceramisites have characteristics of particles with irregular shapes, and tiny gas holes in the internal, and are the building ceramisites with characteristics of high strength, low thermal conduction coefficient, good chemical stability, good durability, good thermal insulation, and good sound insulation. The fly ash and the tailings are comprehensively utilized to produce the baking-free gravel-shaped attapulgite attapulgite fly ash ceramisites, such that the resource utilization rate is improved, the waste is changed into the treasure, the land occupation is reduced, and the environment is protected and purified. In addition, the baking-free gravel-shaped attapulgite attapulgite fly ash ceramisites are suitable for productions of concrete thermal insulation blocks, and thermal insulation and sound insulation materials.

The invention discloses a sludge resource treatment apparatus and a sludge treatment method using the same. The apparatus comprises a collecting filter, a sludge conveying device, a waste heat drying column, a cyclone separator, a rotary kiln, a draught fan, an airheater, a gathering tank, a deodorizing tower, a gas-liquid separator and a chimney, wherein the sludge conveying device, the waste heat drying column, the cyclone separator, the draught fan, and the deodorizing tower are successively connected through pipelines. When the sludge is anhydrated by the sludge resource treatment apparatus, the sludge generated by a sewage treatment plant is treated with gravity settlement to filter free water, dried with waste heat from the rotary kiln in the waste heat drying column and enters intothe rotary kiln to realize drying or sintering of the sludge; stink, flue gas and water vapor generate during the process is guided into the deodorizing tower for treatment by the draught fan. The treatment apparatus of the present invention has a compact and stable structure, small land occupation, is convenient for maintenance, and can be prepared into container overlap to facilitate carrying and save space.

The invention belongs to the field of electric car power distribution and particularly provides a small-size automatic power exchanging station. The small-size automatic power exchanging station aims at solving the problems that an existing power exchanging station is large in land occupation area, civil engineering needs to be conducted, transportation is difficult, and full-automatic power exchanging cannot be conducted. For the purposes, the small-size automatic power exchanging station comprises a battery bin, a power exchanging platform, a power exchanging system and a control system. The battery bin is used for storing a battery and charging the battery. The power exchanging system is used for replacing a battery of an electric car with the battery of the battery bin. The power exchanging platform is used for parking the electric car and lifting the electric car through a lifting device. According to the small-size automatic power exchanging station, the electric car is lifted up through the lifting device, the power exchanging platform and the battery bin are wrapped up through a container at the same time, therefore, any civil engineering does not need to be conducted, the power exchanging station can be overall carried, the position of the power exchanging station can be arranged flexibly, and the size of the power exchanging station can be freely expanded as required.

The invention discloses a method, device and reactor for recovery of sulfur from acidic gas. An inorganic sulfide in the acidic gas is catalyzed and oxidized into sulfur by catalytic oxidation reaction, then the organic sulfur in the acidic gas is hydrogenated and hydrolyzed into an inorganic sulfide through catalytic hydrolysis reaction, finally the residual inorganic sulfur in the reaction gas is oxidized into sulfur through secondary catalytic oxidation reaction, and the tail gas is washed by a methanol lotion and/or water, thus realizing complete recovery of sulfur. The invention also discloses the device and reactor for realizing the method. The method and device provided by the invention are suitable for sulfur recovery of low H2S content acidic gas. An alcohol-containing solution is utilized for washing treatment of desulfurized tail gas according to the low temperature methanol washing process, the content of sulfide in the tail gas is reduced, and the environment is protected. At the same time, the reactor involved in the invention has a simple and reasonable structure, saves land occupation of equipment, and lowers the project investment.

The invention discloses an integrated up-flow reactor and an advanced treatment method of fermentation industrial effluent, belonging to effluent treatment field. The upper part of the reactor is an aerobic fluidized bed system, the lower part is an anaerobic filter system, the intermediate transition zone is designed to be a connecting part which has a tri-phase separation function and organically combines the upper part and the lower part together. In the reactor, the concentration of biological solid is high and the retention time of biological solid is long, therefore the reactor is suitable for treating secondary biochemical treatment effluent of fermentation industrial effluent which has high salinity and is difficult to be biodegraded; sludge output of each system is low, and the residual sludge generated in the aerobic zone enters to the transition zone and the anaerobic zone to be further treated, the overall sludge output of the reactor is low, and simultaneously, the reactor contains rich biological species which act on organics difficult to be degraded jointly and promote the degradation thereof. The integrated reactor has low energy consumption, less land occupation, convenient operation, load impact resistance and high treatment efficiency, thereby being applicable to the advanced treatment of fermentation industrial effluent.

The invention relates to an electric commercial vehicle battery box single-trip replacement robot which has the advantages of reducing the land occupation because the size of a replacement robot is effectively reduced, and being easily matched with an electric bus because an installing mode of a battery replacement device in the existing replacement robot is changed into a suspension installing mode. The electric commercial vehicle battery box single-trip replacement robot comprises a frame assembly, wherein the frame assembly is arranged on a walking assembly, a temporary storage rack is arranged at one side of the frame assembly, a control cabinet is arranged at the other side of the frame assembly, a lifting transmission assembly is arranged at the top of the frame assembly and is connected with a lifting assembly and also connected with a balance weight assembly, an objective table assembly capable of rotating in situ is suspended at the lower part of the lifting assembly, a fork assembly and a battery push handle assembly are arranged at the bottom of the objective table assembly, V-shaped wheel sets matched with a rectangular steel upright of a replacement robot frame are arranged at four corners of the lifting assembly, an objective table assembly rotating drive device is arranged on the lifting assembly, and a limit device is arranged on the objective table assembly.

A suspension maglev rail transit system includes an orbital system, a suspension system, a control system and a car system, wherein the control system comprises a drive system, a guidance system and asuspension control system, wherein the track system is suspended in the air through upright posts, the car system is suspended vertically below the track system through the suspension system, and thedrive system and the guidance system cooperate to drive the car system to operate in the track system. The invention utilizes the levitation force with the permanent magnet repulsion force as the main force and the electromagnetic regulation as the auxiliary force to suspend the car on the air track, and realizes the stable operation through the non-contact traction of the linear motor. The invention has the advantages of low energy consumption, high safety, no land occupation, low cost, strong climbing ability, small turning radius and wide adaptability.

The invention provides an improved production process of utilizing gypsum to produce sulfuric acid and cement, which relates to the sulfuric acid and cement industry production technology, and the resource comprehensive utilization and environmental protection governing field of the industrial byproduct gypsum. The improved production process is characterized in that natural gypsum with the CaSO4*2H2O as the main composition or the industrial byproduct gypsum is adopted as the main source material; clay, coke and fly ash clinker are used as supplementary materials; the half-water drying gypsum flow, the single stage powder grinding, raw material mixing melting, suspension preheater kiln decomposing calcination, closing diluted acid washing and purification, two-turning and two-suction processes are adopted; the sulfuric acid and cement products are prepared through six steps of source material homogenizing, drying and dehydration, raw material preparation, clinker burning, kiln gas acid production and cement grinding; the improved production process has the advantages of wide range source material, solving the land occupation and environmental pollution problems of the gypsum waste residue, realizing the circulation utilization of sulfur resource, adopting a plurality of new processes and devices, realizing the large scale production easily, advanced technology, mature process, easy operation in production control, low energy consumption, high benefit, no waste water and waste residues exhaust.

The invention provides a half-dry solid-state cultural method for industrial production of microalgae. The method comprises the following steps: firstly, inoculating microalgae cells on a solid material and allowing cell colony to maintain moist by supplementing liquid; then, adding inorganic carbon sources into the cell colony under the condition of illumination; finally, regulating and controlling and metabolism of microalgae cells by controlling parameters of components in wetting liquid, illumination intensity, the concentration of the carbon source and the like so as to realize accumulation of microalgae biomass and/or secondary metabolites. According to the invention, the practice of using considerable water as a supporting medium in the conventional liquid immersion culture method is abandoned, and the volume and weight of a culture system are reduced, thereby thoroughly solving the problem that a microalgae photobioreactor is difficult to become large-sized and has a low space utilization rate due to limit of material strength and reducing cost for equipment and operation; microalgae has high efficiency in utilizing nutrients, luminous energy and carbon sources and is fast in inducing secondary metabolites, thereby substantially improving output of biomass and secondary metabolites per unit land occupation area.

The invention discloses a method for extracting and purifying wet-process phosphorous acid to produce industrial-grade phosphorous acid, which comprises the following steps: step 1, decoloration: utilizing active carbon and hydrogen peroxide to decolorize the phosphorous in two steps; step 2, extraction: utilizing extracting agent to extract phosphorous; step 3, washing: utilizing cleaning solution to washing organic phase; step 4, backextraction: utilizing pure water to extract the phosphorous acid in the organic phase; step 5, desulphurization: utilizing desulphurization agent to remove sulfate radical in the phosphorous acid; and step 6, concentration: improving the concentration of phosphorous acid, defluoridating through vacuum concentration to obtain the industrial-grade phosphorous acid. The method has the advantages that: (1) segmented decoloration is adopted, so the pretreatment process is simplified; (2) the used turntable tower is stable, the continuity is strong, and the maintenance expense is low; (3) sulfuric acid is compensated from the middle part of the extraction tower, so the yield of the industrial product is improved, the extraction rate can reach more than 95 percent, and the yield of the industrial product can reach more than 90 percent; (4) a plate-type heat exchanger is adopted, so the land occupation area is small; and (5) and the side-product barium sulfate is washed and dried to be used as an industrial product.

The invention relates to a sewage double-biomembrane deep treatment technology comprising the steps: sewage enters an anaerobic tank, an anoxic tank and an oxygen maintaining tank after being pretreated by a grid and settled sand, and mud releases phosphorus in the anaerobic tank; the sewage is denitrified in a denitrification mode in the anoxic tank so as to remove most of organic matters; cilium biological fillers are arranged in the oxygen maintaining tank, biomembranes are attached to the cilium, absorb the phosphorus in excess and degrade the partial organic matters; the sewage enters a secondary sedimentation tank to carry out sedimentation treatment through the oxygen maintaining tank and then enters an aeration biological filter tank; granule biological fillers are arranged in the aeration biological filter tank, and the biomembranes are attached to granules, degrade the residual organic matters in the sewage and convert ammonia nitrogen into nitrate nitrogen; one part of the discharged water of the aeration biological filter tank flows back into the anoxic tank, and the other part is discharged; one part of the mud generated by the secondary sedimentation tank back flows into the anoxic tank, and the other part of the mud is discharged out of a system. The sewage double-biomembrane deep treatment technology has the advantages of investment saving, low operation cost, little land occupation and good treatment effect.

The invention discloses a three-dimensional circulation garage. The three-dimensional circulation garage comprises a fixing component, a transmission device, a plurality of tray components, a driving device and a power supply device; the fixing component comprises a first fixing support and a second fixing support which are arranged in a spaced mode and are oppositely arranged. The transmission device is arranged on the fixing component. The multiple tray components are connected with the transmission device, and each tray component comprises a vehicle carrying plate suitable for containing vehicles. The driving device is connected with the transmission device so as to drive the transmission device to drive the tray components to conduct vertical circulation reciprocated rotation. The power supply device is connected with the tray components so as to be suitable for charging the vehicles on the vehicle carrying plates. According to the three-dimensional circulation garage in the embodiment, the vehicles on the vehicle carrying plates can be charged, the multiple vehicles can be stored, the land occupation area is small, and convenience is brought to vehicle parking and taking.

The invention discloses an annular and stereoscopic ecological cycle pig raising system, which comprises a hog house and a waste circulating system, wherein the hog house comprises a house body, a round patio and a house top, the hog house is of an all-steel columnar structure, the interior of the house body is divided into three layers of hog houses, each layer of hog house is divided into a plurality of colony hours by a through fence, and stairs are all arranged among the three layers of hog houses; the round patio is vertically and oppositely embedded in the middle part of the house body, and a lightning rod higher than the hop house is vertically arranged at the center of the patio; an arc-shaped all transparent glass steel tile annually covers the house top. The annular and stereoscopic ecological cycle pig raising system has the advantages of small land occupation and beautiful appearance design, the aesthetic requirements of people are met, the comprehensive construction cost is lower than the comprehensive cost of land levelling, three supplies and one levelling and cultivation body infrastructures of standardized farms, and assorted roads, pipelines, electric power construction, functional limiting cast iron high bed facilities, closed water-linked cooling facilities and gas pipeline warm floor heating facilities, and the annular and stereoscopic ecological cycle pig raising system has very high economic promotion value.

The invention discloses a method and system for high-efficiency recovery of high-salinity mine water. The method comprises the following steps: removing colemanite, bicarbonate radicals and suspended solids by using a high-density clarifying pond to reduce reverse osmosis structure tendency; subjecting concentrated reverse osmosis water to chemical softening pretreatment to remove easily fouling components; and carrying out solid-liquid separation by using a tubular micro-filtration membrane and allowing separated liquid to enter into a concentrated water reverse osmosis unit. According to the invention, the concentrated reverse osmosis water undergoes chemical softening pretreatment to remove the easily fouling components, the tubular micro-filtration membrane is employed for solid-liquid separation, the separated liquid directly enters into the concentrated water reverse osmosis unit without treatment by other filtering units, so operation process flow is simplified, a land occupation area is reduced, designed flux is great, and a good effluent effect is obtained. The tubular micro-filtration membrane used in the invention is different from other micro-filtration or ultra-filtration membranes; the tubular micro-filtration membrane runs in a cross flow mode, water flow tangentially flows through the surface of the membrane at a high speed, thereby realizing scouring and cleaning of the membrane surface while carrying out filtering, and the membrane surface is hardly contaminated.

The invention relates to a residence community domestic sewage treating system. The system comprises a black water collection system, an anaerobic acidification reaction tank, an anaerobic gasification reaction tank and an aerobic contact oxidation tank, the black water collection system is communicated with the lower portion of the anaerobic acidification reaction tank through a black water inlet pipe, an outlet of the anaerobic acidification reaction tank is communicated with an inlet of the anaerobic gasification reaction tank, an outlet of the anaerobic gasification reaction tank is communicated with an inlet of the aerobic contact oxidation tank, a brown water collection system is communicated at a position of the inlet of the aerobic contact oxidation tank, the outlet of the aerobiccontact oxidation tank is communicated with an aerobic filter tower, a grey water collection system is arranged at a position of an inlet of the aerobic filter tower, a methane collection tank is communicated with the top of the anaerobic acidification reaction tank and the anaerobic gasification reaction tank, the methane collection tank is connected with a gas-fired boiler, the gas-fired boileris connected into the anaerobic gasification reaction tank through a pipeline, and the inlet of the anaerobic gasification reaction tank is connected with an alkaline liquor adding system through thepipeline. The residence community domestic sewage treating system and a method have the advantages that the system is simple, the sewage treatment effect is good, the construction costs are low, and the land occupation is small.

The invention discloses a system and method for automatically generating the project amount and drawing a CAD chart and belongs to the field of electric power engineering design. The system comprises a resource library maintaining module, a project editing module, a drawing paper data calculating module, a CAD drawing paper automatic drawing module and a project amount calculating and exporting module. A data information bridge is established between a CAD drawing tool and budget establishment software, the project amount of data is calculated directly through the software instead of being calculated manually as done in the prior art, and therefore efficiency and quality of budget establishment are improved. During CAD, comprehensive analysis can be achieved by the software according to project amount information such as terrains, geological conditions, tower land occupation, the cubic meter of earth and stone and foundation works, cost information corresponding to a designing scheme can be obtained more quickly, overall cost of the scheme can be obtained to participate in cost comparison, and then an optimal path designing scheme is selected, and design quality is effectively improved.

The invention provides a water plant imitating biological carrier, a polyurethane composite material and a water quality purifying technology. The water plant imitating biological carrier comprises a multiple structure formed from a polyurethane layer, fiber web layers and fiber yarn layers, wherein the polyurethane layer is located in the inner layer; the two fiber web layers are respectively covered on the upper surface and the lower surface of the polyurethane layer; and the two fiber yarn layers are respectively covered on the external surface of the two fiber web layers. The polyurethane composite material contains 2-6 wt% of activated carbon fiber and 94-98 wt% of polyurethane. In the water quality purifying technology, submersible type photo-electro-magnetic river lake water quality purifying device is adopted with the water plant imitating type biological carrier to operate in the same area for water quality purification. When used for purifying bodies of surface water, the invention has the advantages of no land occupation by equipment, low investment cost and operating cost, high the removal efficiency on organic pollutants, and good application prospect, and the purification efficiency is more than 2 times greater than that of whole ecological restoration.