23results about How to "Solve compaction" patented technology

The screening device comprises a box body, a plurality of screening plates are movably arranged in the box body, a vibration motor is fixedly arranged in the center of the bottom of each screening plate, a barrel body with an opening in the upper end is fixedly arranged at the upper end of the box body, and a centrifugal dewatering barrel is rotationally arranged on the bottom face in the barrel body. A motor for driving the centrifugal dewatering barrel to rotate is fixedly arranged at the upper end of the barrel body, an outlet in the bottom of the centrifugal dewatering barrel extends into the box body, a feeding opening is formed in the upper end of the centrifugal dewatering barrel, and a water drainage opening is formed in the bottom of the side face of the barrel body. The color master batch can be immediately dehydrated and dried after extrusion, so that the preparation time before screening is greatly shortened, and the screening efficiency is improved; through centrifugal dewatering and hot air drying treatment, moisture in the color master batch is effectively removed, the hardening problem caused by excessive moisture is avoided, the quality stability and consistency of the color master batch are guaranteed, and then the quality of a final plastic product is improved.

The utility model discloses an iron-carbon micro-electrolysis coupling bacteria-algae symbiotic reaction system for mariculture wastewater treatment, and aims to solve the problem that organic pollutants are degraded insufficiently due to filler hardening and passivation in long-term operation of the conventional single iron-carbon micro-electrolysis industrial wastewater treatment technology. According to the iron-carbon micro-electrolysis coupling algal-bacterial symbiosis reaction system, the aeration disc is arranged at the bottom of the algal-bacterial symbiosis reactor, iron-carbon filler is filled in the iron-carbon porous reaction box, the iron-carbon porous reaction box is arranged in the algal-bacterial symbiosis reactor, algae and aerobic bacteria are added into mariculture wastewater in the algal-bacterial symbiosis reactor, and the algal-bacterial symbiosis reactor is arranged in the algal-bacterial symbiosis reactor. A water outlet and a sludge outlet are respectively formed in the bottom of the side wall of the algal-bacterial symbiotic reactor; the water outlet is communicated with the water outlet tank through a water outlet pipe. According to the utility model, iron-carbon micro-electrolysis and algal-bacterial symbiosis are coupled, so that the removal efficiency of the algal-bacterial symbiosis system on refractory pollutants is improved, and the problems of hardening and passivation in the iron-carbon micro-electrolysis process are solved.

The invention discloses a high-temperature dechlorinating agent for regenerated flue gas and a preparation method of the high-temperature dechlorinating agent. The high-temperature dechlorinating agent comprises the following components in percentage by mass: 70-85% of active components, 5-10% of auxiliaries and 10-20% of auxiliary materials, the preparation method comprises the following steps: 1, uniformly mixing raw materials A and B, and adding water; 2, reacting to obtain a first intermediate; 3, adding the raw material A and water into the first intermediate to react to obtain first and second powder C; 4, mixing the first powder C to obtain mixed powder E; 5, mixing the second powder C to obtain mixed powder G; 6, rolling the mixed powder E; 7, adding the mixed powder G and rolling balls; 8, drying and roasting; the invention further discloses application of the dechlorinating agent to catalytic reforming regeneration flue gas dechlorination. The effective active component carbonate is obtained through reaction and roasting decomposition between calcium and sodium raw materials, and the active component mixed carrier is obtained through causticization reaction, so that the high-temperature dechlorination precision and chlorine holding capacity are improved, and the strength, water vapor resistance and high-temperature resistance of the dechlorinating agent are enhanced.

The utility model discloses a small turning plough with a leveling function, and belongs to the technical field of small turning ploughs. Comprising a rack, a soil crushing assembly, a leveling assembly and a plowing assembly are arranged below the rack, the leveling assembly is located between the soil crushing assembly and the plowing assembly, the plowing assembly comprises a third mounting frame, a plowing shaft is arranged in the third mounting frame, and the two ends of the plowing shaft are connected with the third mounting frame through bearings; coulters are arranged on the outer wall of the plowing shaft and are uniformly distributed in the circumferential direction of the plowing shaft in a herringbone shape. According to the small turning plough with the leveling function, by arranging the turning assembly and the herringbone coulter, bidirectional soil turning and loosening and soil cutting and turning can be achieved, so that the soil structure is effectively broken, the soil hardening problem can be avoided, the air permeability and drainage performance of soil are improved, the rotation direction of the turning shaft interacts with the soil structure, and the leveling effect is improved. Therefore, the loosening effect of soil is enhanced, and the tillage depth and quality are improved.

The present application relates to the technical field of fertilizer, in particular to an organic leaf fertilizer and a production method thereof.The present application solves the problems of poor fertilizer efficiency and easy damage to soil structure.The present application improves the soil organic matter content of the organic leaf fertilizer by changing the dosage of kelp, the temperature and time of ultrasonic and the dosage of kelp extract; improves the relative content of plant chlorophyll of the organic leaf fertilizer by changing the dosage of earthworms, trypsin and amino acid extract; improves the soil porosity of the organic leaf fertilizer and reduces the soil bulk density by changing the dosage of shrimp shells, the temperature of removing protein and the dosage of chitosan extract; increases the plant leaf thickness of the organic leaf fertilizer by changing the dosage of straw and the dosage of cellulose extract; and improves the fertilizer utilization rate of the organic leaf fertilizer by changing the temperature and time of stirring and the time of emulsification and grinding.

The invention discloses fertilizer preparation of methionine fermentation waste liquid and application of the fertilizer preparation, and relates to the technical field of fertilizer preparation, and the fertilizer preparation comprises pretreatment of the methionine fermentation waste liquid, ion exchange treatment, enzyme catalytic conversion, microbial enhancement and nutritional ingredient blending. The efficient nitrogen-solubilizing bacteria have a unique nitrogen metabolism pathway and can more efficiently convert nitrogen-containing compounds in waste liquid into a nitrogen source capable of being absorbed by plants, the novel phosphate-solubilizing bacteria enhance the decomposition capacity of the novel phosphate-solubilizing bacteria on complex phosphorus compounds through gene editing, and the photosynthetic growth-promoting bacteria are subjected to special domestication, so that the photosynthetic growth-promoting bacteria have a good application prospect. Metabolite products beneficial to plant growth can be generated by utilizing light energy under wider environmental conditions, the methionine fermentation waste liquid is filtered by using three groups of filter screens, large-particle impurities, suspended solids, colloids, part of microorganisms and the like in the waste liquid can be effectively removed, and the prepared clean methionine fermentation liquid is low in impurity content.

This invention provides a method and application for the ecological restoration of rock mine slopes in ecologically fragile high-altitude areas, specifically relating to the field of ecological environment restoration technology. The ecological restoration method includes: leveling the rock mine slope in an ecologically fragile high-altitude area, then restoring the slope's topography by covering it with topsoil; constructing a masonry diamond-shaped grid structure for protection on the rock mine slope, planting native shrubs and grasses within the grid; installing an integrated water and fertilizer drip irrigation system on the rock mine slope; and finally, applying sprayed concrete or constructing slope supports to prevent soil erosion on the slope surface; wherein the altitude of the high-altitude area is >4000m. This ecological restoration method provides strong technical support for the ecological restoration of rock mine slopes in ecologically fragile high-altitude areas, and also provides important guarantees and references for ecological restoration work after mining in high-altitude regions.

The invention relates to the technical field of soil improvement, and discloses a fiber sponge meson soil improvement base material which is composed of flocculent fibers, a plant nutrient material and a pH value regulator, the volume water absorption rate of the flocculent fibers is larger than or equal to 88%, the permeability is larger than or equal to 7 mm / s, and the acidity coefficient is larger than or equal to 2.0; and reasonable blending can be performed in different regions and different soil types. By applying theories of soil science, biology, ecology and the like, the water retention and fertilizer retention capabilities of original soil are effectively improved, the air permeability and the water permeability are improved, the soil hardening phenomenon is remarkably relieved, the original soil is mixed according to the proportion, outward transportation and back supplement of the soil are reduced, the construction efficiency is improved, and the cost of loading, unloading, transportation and other links is reduced; meanwhile, the burden of construction on the environment is reduced, the improved base material can effectively improve the water management capacity of the sunken greenbelt and the bioretention facility, the phenomenon that accumulated water becomes black and odorous water after raining is reduced, the sponge city construction standard is met, and the manual maintenance requirement and the water resource consumption are reduced.

The invention relates to the technical field of vacuum evaporation equipment, in particular to an anti-sputtering mechanism for a condenser pipe of a vacuum evaporator, which comprises a shell and a condenser pipe fixedly mounted on the inner wall of the shell, a baffle is fixedly mounted at the position of the condenser pipe in the shell, and a guide plate is further fixedly mounted on the inner wall of the shell. And a drainage mechanism is arranged between the flow guide plate and the shell and is used for discharging condensate water in real time. The baffle, the flow guide plate and the drainage mechanism are arranged on the periphery of the condensation pipe, the baffle forms a barrier, metal steam can smoothly pass through and fully exchanges heat with the condensation pipe, meanwhile, liquid drops and impurities splashed from the surface of the condensation pipe during vacuum removal can be effectively blocked, and therefore the risk that products are polluted is greatly reduced. The condensate water can be rapidly collected into the drainage mechanism through the guide plate, rapid collection and drainage of the condensate water are achieved, and the influence of the condensate water on follow-up vacuumizing is avoided.

The invention discloses a control method of a calcium-based desulfurization system for coke charging dedusting flue gas of a dry quenching furnace, and belongs to the technical field of coking flue gas purification. The method comprises the following steps: monitoring the flue gas sulfur dioxide concentration in real time, and starting a calcium spraying system in an interlocking manner when a threshold value is reached; by controlling the calcium spraying time, the arrival time (T2) of the desulfurizing agent is smaller than or equal to the flowing time (T1) of the flue gas from the monitoring point to the spraying point, so that accurate and synchronous mixing is realized; according to the real-time flue gas flow and SO2 concentration, the calcium spraying amount is dynamically controlled in an interlocking mode, and the calcium-sulfur ratio is maintained to be 1.8-2.4; intelligent ash removal control based on single-bin or total pressure difference triggering is adopted for the bag type dust collector, and ash removal is executed by staggering coke charging operation time periods of the dry quenching furnace according to set intervals. According to the invention, through cooperative intelligent control of time sequence, dosage and ash removal, the problems of desulfurization agent waste, excessive emission and unstable system operation under the intermittent fluctuation flue gas working condition of dry quenching are solved, and efficient desulfurization, resource saving and reliable system operation are realized.

This utility model provides an integrated corn planting and mulching machine, relating to the field of corn planting technology. It includes a vehicle body with wheels at its four corners; a planting component located on the right side of the vehicle body's top for planting corn; and an irrigation and fertilization mechanism located at the center of the vehicle body's top, comprising a storage tank, a driving and stirring unit, and a spraying unit. The driving and stirring unit stirs the mixed solution inside the storage tank and sprays it onto the soil after planting. By integrating the planting component, irrigation and fertilization mechanism, mulching mechanism, and tension control mechanism into the vehicle body, the entire corn planting process from planting to mulching is integrated. The winding component and the driving and rotating unit are connected by bolts, eliminating the cumbersome process of disassembling bolts with tools as in traditional patents. Operators can directly disassemble and assemble the winding component, significantly shortening the single-roll film replacement time and effectively improving the equipment's continuous operation capability.

The utility model discloses a VPSA oxygen generator with a negative pressure storage function. The VPSA oxygen generator comprises a compressor, a molecular sieve A tank body and a molecular sieve B tank body, the compressor is provided with a compressor positive pressure air inlet interface e, a compressor negative pressure air inlet interface h, a compressor negative pressure exhaust interface f and a compressor positive pressure exhaust interface i, direct-acting valves are arranged between the compressor and the molecular sieve A tank body and the molecular sieve B tank body, and each direct-acting valve is provided with an interface j, an interface k, an interface l and an interface m; the compressor positive pressure exhaust interface i is connected with the interface j, the compressor negative pressure air inlet interface h is connected with the interface k, the compressor positive pressure exhaust interface i is connected with the switch valve, the switch valve is provided with an interface b and an interface c, the interface b is connected with the compressor positive pressure exhaust interface i, and the interface c is communicated with the atmosphere. According to the utility model, the hardening problem of the molecular sieve tank when the VPSA oxygen generator operates in a humidity environment is solved, and the problem that the oxygen generation concentration is reduced when the VPSA oxygen generator is stored in the humidity environment for a long time is solved.

The utility model relates to the technical field of agricultural irrigation water preparation equipment, in particular to agricultural irrigation water preparation equipment based on a hydrodynamic cavitation technology, which comprises a box body, an oxygen generator, a freezing dryer and a hydrodynamic cavitation machine, an oxygen generator, a freezing dryer and a hydrodynamic cavitation machine are fixedly connected into the box body, an air inlet of the oxygen generator is connected with an air inlet in the box body through a pipeline, a compressed air outlet of the oxygen generator is connected with a freezing drying inlet of the freezing dryer, and a freezing drying outlet of the freezing dryer is connected with a compressed air inlet of the oxygen generator through a pipeline. An oxygen outlet of the oxygen generator is connected with a gas inlet of the hydrodynamic cavitation machine through a pipeline, a water pump inlet in the hydrodynamic cavitation machine is connected with a water inlet in the box body through a pipeline, and an irrigation water outlet of a gas-liquid mixture of the hydrodynamic cavitation machine is connected with a water outlet in the box body through a pipeline. The structure is simple, the service life is long, the oxygen content in the soil is increased, and the problem of soil hardening is solved.

The present invention relates to a desulfurization and dust removal device, and in particular to a desulfurization and dust removal ash bin. A device for accelerating the discharge of ash from a desulfurization and dust removal ash bin comprises an ash bin body, an ash bin is provided at the bottom of the ash bin body, an ash discharge valve is provided at the outlet of the ash discharge bin, and the ash in the ash bin body is discharged from the ash discharge valve through the ash bin; a steam heating pipe is coiled on the outer surface of the ash bin body, and a first valve is provided at the inlet and outlet of the steam heating pipe; at least two nitrogen inlet pipes are provided for purging the inner cavity of the ash bin body to blow off the ash adsorbed on the inner wall of the ash bin; a second valve is provided on the nitrogen inlet pipe and the nitrogen discharge pipe; at least two rappers are provided on the ash bin body and the surface of the ash bin to shake off the ash.

The invention discloses a method for removing oxalic acid and salts thereof in wastewater by using hydrogen peroxide. The method comprises the following steps: pretreating wastewater containing oxalic acid and salts thereof, and adjusting the pH value to 3.5-4.0; adding hydrogen peroxide into the adjusted wastewater, and uniformly stirring to obtain mixed wastewater; and feeding the mixed wastewater into an activated carbon reaction column in a pulse water feeding manner, and removing oxalic acid and salts thereof in the water. According to the method, the removal efficiency of oxalic acid is effectively improved, and compared with the prior art, the method has the advantages that the process is simple, secondary pollution is avoided, and the wastewater treatment efficiency and environmental friendliness are greatly improved.

The preparation method comprises the following steps: uniformly mixing a precursor, a lithium salt and a modifier, heating to the temperature T1 of 750-850 DEG C in an oxygen-containing atmosphere, sintering for the time t1 to obtain a pre-lithiation intermediate, transferring the pre-lithiation intermediate into an environment with the temperature T2 of 10 DEG C or below, and quenching for the time t2 to obtain a process sample A; dispersing the process sample A in an environment at a temperature T3, spraying a nodulizing agent, and drying to obtain a process sample B; in an oxygen-containing atmosphere, putting the process sample B into an environment with a temperature T4 of 850-1000 DEG C, carrying out shock heating, calcining and crystallizing for a calcining time of t3, and cooling to obtain a single crystal positive electrode material matrix C; and carrying out post-treatment on the single-crystal positive electrode material matrix C to obtain the high-fluidity lithium battery single-crystal positive electrode material. The invention solves the problem of poor flowability and the problems of manufacturing and use caused by the problem.

The invention relates to the technical field of soil improvement, and discloses a soil remediation agent for acidified soil improvement and a preparation method thereof, the soil remediation agent comprises the following raw materials: functionalized sodium alginate microspheres, an improving agent, an organic fertilizer, eggshell powder, straw powder and plant ash; the functionalized sodium alginate microspheres can adsorb activated heavy metal ions in the acidified soil, and are chelated with the heavy metal ions to form a chelate, so that the heavy metal ions are fixed, and the heavy metal ions are prevented from entering crops; the improving agent can play a role in soil for a long time, on one hand, the improving agent and the functional sodium alginate microspheres cooperate to adsorb heavy metal ions in the soil, on the other hand, nutrient elements can be provided, growth and development of crops are promoted, the soil structure is improved, the soil bulk density is reduced, and the problem of soil hardening is solved. Wide application prospects are realized.

The utility model discloses a novel V-shaped filter tank for preventing sand hardening and belongs to the field of advanced treatment of sewage plants. The filter tank comprises a tank body, a water distribution tank and middle partition plates, the tank body is divided into a water filtering area and a drainage area by the two middle partition plates, a bottom sieve plate is arranged between the tank body in the water filtering area and the middle partition plates, a triangular sieve plate composed of a first inclined sieve plate and a second inclined sieve plate is arranged above the bottom sieve plate, the area of the sieve plate is increased, and the filtering efficiency is improved; meanwhile, a steel ball vibrator is arranged on the inclined sieve plate and vibrates to drive the inclined sieve plate to vibrate, so that the filter layer is dispersed through vibration to prevent sand hardening, and the filter efficiency is further improved. And a back-flushing nozzle is arranged below the bottom sieve plate to disperse the filter layer to prevent hardening. The filter is stable and efficient in operation, effectively solves the problem of sand hardening of the V-shaped filter, and has important practical value and application value.

The utility model provides an aerated grit chamber sand discharge system which comprises a grit chamber, a water inlet channel, a grit chamber and a water outlet channel are arranged in the grit chamber, the water inlet channel is connected with the grit chamber through a pipeline, a plurality of sand collecting grooves are arranged at the bottom of the grit chamber, each sand collecting groove is connected with one end of a sand suction pipe, and the other end of the sand suction pipe is connected with a sand discharge pump. A flushing ring pipe is arranged at the bottom of the sand collecting tank, the flushing ring pipe is connected with the other end of the water flushing pipe and one end of a flushing air pipe, and the other end of the flushing air pipe is connected with an aeration pipe; the aerator pipes are connected with blowers; the other end of the water suction pipe is connected with a water outlet channel which is connected with a water outlet pipe. According to the aeration grit chamber, a bottom grit discharge system is adopted, no upper component is arranged, the whole chamber can be completely sealed, and the problem of deodorization of the aeration grit chamber is solved.

This application relates to the field of materials science and engineering, specifically disclosing a method for producing a balanced high-potassium, fully water-soluble compound fertilizer based on a high-tower process. The method includes raw material preparation, melt mixing, granulation, cooling and sieving, and finished product coating steps. This invention innovatively uses 304 austenitic stainless steel in all material contact stages, eliminating rust contamination at the source. It employs a double-layer coating process—first spraying hydrophobic oil, then applying fine powder—for surface modification. Combined with optimized melt shearing and stepped cooling parameters, the prepared compound fertilizer exhibits excellent properties such as full water solubility, no residue, high strength, and resistance to caking during storage and transportation. This invention effectively solves the problems of high water-insoluble matter and easy hygroscopic pulverization in traditional high-tower products, is fully compatible with integrated fertigation drip irrigation systems, and significantly reduces production energy consumption.

The invention discloses a composite culture medium with waste agaric fungus sticks as a main raw material and application thereof, relates to the technical field of recycling of waste agaric fungus sticks, and aims to solve the problems that in the prior art, the effect on improving the physical properties (such as breathability and drainage) of the waste agaric fungus sticks is limited, and respiration and growth of plant roots are affected. The composite culture medium is composed of waste agaric fungus stick particles, a deeply decomposed organic fertilizer mixture, nano-scale inorganic mineral composite powder, an efficient composite microbial agent and a natural plant fiber net. The waste agaric fungus stick particles are obtained by conducting multi-stage crushing and screening on waste agaric fungus sticks, removing most impurities, and conducting fermentation. Rich organic matters and trace elements are reserved, and then a biological enzymatic degradation technology is adopted. The method has the advantages that the breathability and drainage of the substrate are improved, and normal respiration and growth of plant roots are ensured.

The utility model discloses an anti-hardening iron-carbon micro-electrolysis tank device which is characterized by comprising a power mechanism, an air return pipe, an annular coke water distribution layer, iron-carbon micro-electrolysis filler, a coke foam isolation layer, an activated carbon filter layer, a water outlet and a pressure balancer. According to the internal structural design of the device, a mixing pipe for mixing sewage and acid and a water distribution pipe are arranged at the lower end of the iron-carbon micro-electrolysis tank, and a water outlet of the water distribution pipe is wrapped by coke filler. And the middle part is filled with iron-carbon micro-electrolysis filler layers and coke foam isolating layers which are alternately overlapped. A row of holes are uniformly distributed in the water distribution pipe in the electrolysis tank horizontally towards the direction of the central axis of the iron-carbon micro-electrolysis tank, and are wrapped by an annular coke filler water distribution layer; the pressure balancer, the air return pipe and the aeration fan meet the requirement that the electrolysis tank can carry out aeration stirring on high-concentration organic sewage with acidity, high chroma and the like for treatment under the closed condition, and meanwhile it is guaranteed that the iron-carbon micro-electrolysis tank device operates in a low-oxygen environment. The problem that traditional equipment is prone to hardening is solved.

A filter material automatic rotary stirring purification slow filter device and a use method thereof, comprising a slow filter tank body, a hydraulic lifting mechanism, a stirring mechanism, a photoelectric control system and a scraping device, wherein a bracket is arranged above the slow filter tank body, the stirring mechanism and the scraping device are arranged on the bracket, the bottom of the slow filter tank body is connected to a drain pipe, a liquid level pipe is arranged on the drain pipe, and a photoelectric control system is arranged on the liquid level pipe; when the device is working, the photoelectric control system controls the hydraulic lifting mechanism to lift and lower, and the stirring mechanism and the scraping device can stir and scrape the filter material; the device of the present invention integrates the functions of automatic lifting, timed rotary stirring and automatic flattening of filter material, can effectively solve the problems of slow filter tank filter material compaction and blockage, and at the same time solves the waste phenomenon of scraping off the surface filter material after the filter tank is blocked.