99results about How to "Has a purifying effect" patented technology

The invention relates to a composite constructed wetland used for low pollution water purification treatment of farmlands and villages. The composite constructed wetland comprises a floating plant stabilization pond, a submerged plant oxidation pond and an emergent aquatic plant / hygrophyte ecology gravel bed which are orderly set along a water flow direction, wherein the floating plant stabilization pond is planted with floating plants, the submerged plant oxidation pond is planted submerged plants, and the emergent aquatic plant / hygrophyte ecology gravel bed is planted with emergent aquatic plants / hygrophytes. The composite constructed wetland adopts an ecological engineering processing method, and the operation cost of the composite constructed wetland is low; the total nitrogen removal rate and the total phosphorus removal rate of the low pollution water of farmlands and villages can reach more than 50% and more than 60%. In the composite constructed wetland, the floating plates, the submerged plants, and the emergent aquatic plants / hygrophytes planted in the floating plant stabilization pond, the submerged plant oxidation pond and the emergent aquatic plant / hygrophyte ecology gravel bed are aquatic economic plants which are capable of generating economic benefits and are easy to popularize in rural areas.

The invention discloses a heavy metal ions absorbent prepared by straw stalks. The heavy metal ions absorbent prepared by straw stalks is mainly prepared from, by weight, 50-100 parts of straw stalks, 15-30 parts of corncob, 20-30 parts of modified bentonite, 15-25 parts of modified diatomite, 5-10 parts of green alga, 1-2 parts of blue-green algae, 0.5-1 part of bacillus, 5-10 parts of fruit enzymes, 5-10 parts of soybean protein powder, 5-10 parts of tartaric acid, and so on. By taking the straw stalks as the main raw material of absorbent and performing cellulose and alkali water treatment, the prepared straw stalk powder is synergistic with modified bentonite and modified diatomite, thus the absorbent has significant absorption to heavy metal ions; the straw stalk powder is chelated with soybean protein powder, tartaric acid, oligosaccharide and chitosan to form macromolecule, and the macromolecule is tightly absorbed by silica gel and resin; thus the effect of effectively removing heavy metal ion is reached.

The invention discloses a wireless vehicle-mounted air purifier. The wireless vehicle-mounted air purifier comprises a purifier main body and one or a plurality of air quality sensors, wherein the purifier main body is connected with the air quality sensors in a wireless mode; the air quality sensors are used for sensing quality data of air and transmitting the sensed quality data to the purifier main body; the purifier main body treats air correspondingly according to the quality data of the air; the purifier main body comprises a first wireless communication module; each air quality sensor comprises a second wireless communication module; the vehicle-mounted air puffier is also connected with a vehicle-mounted terminal platform; the vehicle-mounted terminal platform comprises a third wireless communication module; and the purifier main body is respectively connected with the air quality sensors and the vehicle-mounted terminal platform through the first wireless communication module of the purifier main body. By the wireless vehicle-mounted air purifier, quality parameters of air at various positions in a vehicle can be acquired, and corresponding measures can be taken well according to the environment in the vehicle.

The invention relates to a preparation method of a ceramic alloy composite wear-resistant material for a brake block. All ceramic fine powder, all silicon carbide fine powder, all titanium carbonitride fine powder, all chromite fine powder and half molybdenum tungsten rare earth alloy powder are evenly mixed, a binder is added to prepare slurry, and spraying mist drying and prilling are carried out; and a special die capable of conducting chamfering is used for hot press molding, a pressing material is obtained, half of remaining molybdenum tungsten rare earth alloy powder is used for spraying all surfaces of the pressing material, sintering is carried out after spraying, repeated spraying is carried out, sintering is carried out multiple times until a molybdenum tungsten rare earth alloy layer is formed on the surface, and the ceramic alloy composite wear-resistant material for the brake block is manufactured. According to the preparation method of the ceramic alloy composite wear-resistant material for the brake block, the brake block manufactured through the method has the beneficial effects of high temperature resistance, corrosion resistance, comfortable braking, environmental protection and noise reduction, and the problems of brake failures, large brake noise, serious abrasion and the like caused by brake block heat fading are solved.

The invention discloses a modular rotary sponge body device based on synchronous sewage interception and cleaning. The device is characterized by consisting of a sewage interception system and a tubular cleaning system which are arranged on a driving mechanism, wherein the tubular cleaning system is sleeved in the sewage interception system, the tubular cleaning system is turned over by 90 degreesevery time by a driving mechanism, to form a rotary sponge body for synchronous sewage interception and cleaning, and the sewage interception system is a long and thin sponge body with a square section formed by a modular baffle, a flow guide net cover, a mixed filler and water-permeable geotextile. Compared with the prior art, the device has the advantages of simple structure, convenience in use, capability of effectively preventing filler blockage while realizing efficient interception of rainwater runoff, high stability, simplicity and convenience in maintenance, long service life and thelike, has a purification effect on rainwater runoff pollution, and effectively prevents the urban water body black and odorous problem caused by runoff pollution.

The invention discloses a method for carrying out water circulation air purification and plant water cultivation based on street lamp bodies, and belongs to the field of air purification. The air purification and plant water cultivation process of the method comprises the steps that an air exchange mechanism is firstly started, and outside air is introduced; a large water mist sprayer is utilizedfor spraying water mist, air is firstly subjected to spraying of the large water mist sprayer, and pollutants in the air are adsorbed by water drops and are discharged together along with converged water; the water mist is discharged through drainage openings in a bottom disc to enter inner cavities of flowerpot inner containers in electrostatic water cultivation mechanisms to be used as a nutrient solution for plant growing; the water finally flows into a water storage pond of a heat storage and supply mechanism; and water is supplied to the large water mist sprayer through a water inlet pipe, and cyclic utilization of purified water is achieved. According to the method, arranged water mist sprayers are used for spraying the water mist to purify the air, dirt water is fed to the electrostatic water cultivation mechanisms for plant growing, meanwhile, the dirt water is purified, and cyclic utilization can be achieved; and the aims of air purification and environment beautifying are achieved.

The invention discloses a vegetated ditch rainwater drainage pipe gallery system. The vegetated ditch rainwater drainage pipe gallery system comprises roadbed stones, a grading soil layer, geotechnical cloth, grading packing, rainwater perforated strainers, double-wall corrugated pipe inspection wells, arched regulation and storage equipment, an anti-seepage film and mud disposal equipment. The multiple roadbed stones are located at the upper ends of the left side and the right side of a vegetated ditch correspondingly. A foundation pit is longitudinally excavated in the lower end of the middle of the vegetated ditch. The arched regulation and storage equipment is longitudinally mounted in the foundation pit. One set of mud disposal equipment and one double-wall corrugated pipe inspectionwell are mounted at the lower end and the upper end of the arched regulation and storage equipment every multiple meters. Each rainwater perforated strainer is mounted at the upper end of the corresponding double-wall corrugated pipe inspection well. The anti-seepage film and the grading packing are sequentially laid at the upper end of tamped soil. The geotechnical cloth and the grading soil layer are sequentially laid at the upper end of the grading packing. Green plants are planted on the grading soil layer. A construction method of the vegetated ditch rainwater drainage pipe gallery systemcomprises the following steps of 1, excavation of the foundation pit; 2, construction of a geotechnical material; 3, mounting of the arched regulation and storage equipment, and laying of the gradingpacking; and 4, construction of a plantation layer. By means of the vegetated ditch rainwater drainage pipe gallery system and the construction method, rainwater can be effectively utilized.

The invention discloses a ceiling fan, and belongs to electric fans. An existing ceiling blade fan blade is prone to ash adhering, the coverage range is narrow, and airflow cannot circulate in the whole space. An annular slit facing the surrounding lower portion is arranged in a shell to serve as an air outlet, during work, 360-degree annular air outflow is formed, the airflow coverage range is wide, and air of the whole space can be promoted to circulate. Meanwhile, a wind wheel is located in the shell, a filter device shielding an air inlet is assembled at the air inlet position of the shell, wind wheel accumulated dust is reduced, meanwhile, blown air is clean, and the purification function is achieved for indoor air. Furthermore, an LED lamp can be arranged in a circular containing cavity of the shell, and the fan and the LED lamp are integrated. Meanwhile, the heat dissipation and lighting functions are achieved, the ceiling fan can serve as a heat dissipation substitute product when an air conditioner is not needed, the indoor air circulates, and the purposes of air purification and heat dissipation are achieved.

The invention discloses a river bottom mud stabilizing and recycling method. The river bottom mud stabilizing and recycling method is characterized by comprising the following steps: settling and concentrating river bottom mud by virtue of gravity, performing hydrothermal reaction for a given time at a given temperature, cooling after the reaction is ended, and dehydrating, thus obtaining a hydrothermal solid product and a hydrothermal solution; re-feeding the hydrothermal solid product into a river to adsorb nitrogen, phosphorus and heavy metals in a water body and gradually load microorganisms, thereby further purifying the river water body; adding polymeric ferric aluminum chloride and NaOH into the obtained hydrothermal solution, performing the secondary hydrothermal reaction, removingorganic matters and heavy metals released in the hydrothermal solution in the hydrothermal process of the bottom mud, and returning treated supernatant to the river water body. By adopting the method, while the stabilization and harmless treatment of the river bottom mud are realized, the bottom mud can be recycled. The method has the advantages of simple operation, easy engineering, and capability of providing a feasible method for stabilizing and recycling the river bottom mud.

The invention discloses a tail gas heat exchanger of a diesel engine. The tail gas heat exchanger comprises water collection chambers, expansion joints, a thermal insulation shell, heat exchange tube components, elbows and a support. The left end faces of the heat exchange tube components are in sealed connection with the water collection chambers through the expansion joints, and the right end faces of the heat exchange tube components are in sealed connection with the water collection chambers directly so as to form heat exchanger units. The thermal insulation shell is arranged on the support, and the thermal insulation shell of a three-way structure is transversely provided with two heat exchanger units with the same specification in an inner chamber between a tail gas inlet and a tail gas outlet in parallel. The water collection chambers connected to both ends of the heat exchanger units are exposed out of the thermal insulation shell, connecting pipes of the two adjacent water collection chambers at the left end are respectively taken as introduction or drainage water flow passages, and connecting pipes of two adjacent water collection chambers at the right end are connected to form an integrated structure through an elbow string. According to the invention, through heat exchange of circulating cooling water and waste gas, the waste heat is utilized, and the national energy conservation and emission reduction policy is realized. The invention is particularly matched with a high-power diesel engine fixed by a working position.

The invention provides a method for preparing a plasma-oriented tungsten coating used in a fusion reactor by using tungsten carbonyl as precursor and using a plasma-enhanced metal organic chemical vapor deposition method. During a deposition reaction, the interlayer of a reactor is cooled through always introducing cooling water to the interlayer, the pressure is constant to be 150-250Pa, and thetemperature of a base is controlled to be 200-600 DEG C; saturated tungsten carbonyl vapor of which the purity is 99.9% is introduced, wherein the air flow is controlled to be 1.0-3.0ml / s, and the temperature ranges from 70 to 140 DEG C; and the deposition is carried out for 5-12 hours, and thermal diffusion annealing is carried out 3-6 hours after constant heat insulation. The method disclosed by the invention can be used for preparing tungsten coatings having high bonding strength with a base, and the coatings are less than 5mm in thickness and have the characteristics of low porosity, highpurity, smooth surface and the like. The method is relatively simple in process, has high reliability and can prepare large-area tungsten coatings, thereby being widely applied to a fusion reactor experimental facility and the first wall of a future fusion reactor.

The invention relates to an ecological floating bed device which comprises a wave dissipating device and at least one ecological floating bed. Each ecological floating bed comprises a floating body, apacking layer, aquatic plants and a fixing device, wherein the ecological floating beds are arranged close to the bank side, and the ecological floating bed single bodies are connected through ropes.The floating body comprises a frame structure and a floating ball arranged on the frame structure; the fixing device is a fixing pile; the packing layer comprises an iron wire net, a three-dimensional plant net and packing; the aquatic plants are planted above the filler. The wave dissipating device comprises a steel pipe, an enclosing net and a connecting ring and is designed to be arc-shaped, wherein the enclosing net is connected with the steel pipe. The problem of application of a conventional ecological floating bed in a deep water area is solved, the purpose that floating bed plant seedpropagules can naturally overwinter is achieved, and meanwhile the problem of nutrition limitation of ecological floating bed plant growth is solved.