12results about How to "Avoid chemical contamination" patented technology

The present invention discloses a device and method for suppressing sediment discharge plume flow applicable to a seabed mining vehicle, comprising a physical screening system, a biological flocculation sedimentation system, and a sediment discharge system; the physical screening system can realize the separation of seabed minerals and deep-sea sediments in the body of the mining vehicle, further filter out sediments with larger particle sizes through physical screening, and mix sediments with smaller particle sizes with seawater; the method of adding flocculants through the biological flocculation sedimentation system is used to precipitate sediments with small particle sizes in seawater, and finally the sediments are discharged from the sediment discharge system close to the seabed, thereby reducing the plume flow generated when the mining vehicle discharges sediments.

The invention discloses a continuous flexible conductive material preparation device and method.The device comprises a continuous flexible material, a guide roller and a conductive coating assembly, the assembly is sequentially provided with a tackifying unit, a powdering unit, a curing unit, a chemical plating unit and a post-processing unit in the material conveying direction, the center lines of conveying channels of all the units are collinear, and the interface gap is smaller than or equal to 2 mm. The micro-nano metal powder seed source is planted through the powdering device, rapid growth and closing of the micro-nano metal powder seed source are achieved through chemical plating after solidification, a compact conductive network is constructed, and a finished product is obtained.The short-process, rapid, efficient and environment-friendly preparation of the continuous flexible high-conductivity material can be achieved, the prepared material is low in cost, good in conductivity and high in durability, material transmission deviation is avoided, and the continuous flexible high-conductivity material can be obtained. The method improves the compactness of the coating and the consistency of products, recovers redundant adhesion liquid and catalyst particles, reduces the production cost, and is suitable for preparation of continuous flexible conductive materials such as conductive yarns, fabrics and films.

The utility model provides a pest control device for forestry seedling raising, which comprises a surface plate, a detachable dome cover arranged above the surface plate, a dissolving box arranged below the surface plate, a lifting hook arranged above the surface plate and used for pulling out the whole control device from soil, a mounting groove arranged on the surface plate, and a mounting groove arranged on the mounting groove. The dome cover is arranged in the mounting groove, the pest control device attracts pests through pheromones, a citric acid dissolving solution is used for promoting rapid decomposition of pest corpses, effective control over the pests is achieved, the combination of the sticky hair and the dissolving solution ensures that the pests are rapidly captured and decomposed, and the organic acid decomposition process of citric acid is efficient and environmentally friendly. In addition, organic substances of the pest corpses are finally released into the soil, nutrition is provided for the soil, cyclic utilization of resources is achieved, and ecological balance is kept.

The utility model discloses a cleaning and decontamination unmanned ship which comprises a main body, and a driving assembly used for driving the main body to move in any direction is arranged on the lower side of the main body. A lifting assembly is further arranged on the lower side of the main body, and a decontamination assembly is arranged at the output end of the lifting assembly; the decontamination assembly comprises a connecting plate, an ultrasonic vibration rod is mounted at the lower end of the connecting plate, and the bottom of the chemical pool is subjected to decontamination treatment through the ultrasonic vibration rod; the main body comprises a lower box body, an upper cover is fixed at an opening in the upper side of the lower box body, and an environment detector, a communication unit and a controller are arranged in the lower box body; a laser radar and a high-precision inertial navigation device are mounted on the upper side of the upper cover; an anti-collision ball is fixed on the outer side wall of the lower box body; a groove is formed in the outer wall of the bottom of the lower box body, and the main body part of the lifting assembly is installed in the groove. According to the chemical pool cleaning device, automatic, efficient and safe cleaning of a chemical pool in a polluted environment is achieved.

The invention discloses a laser cleaning activation method and device before metal surface coating, and belongs to the technical field of metal coating. The method comprises the steps that scanning parameters of a laser generator are adjusted based on laser cleaning activation requirements; a laser generator is used for emitting continuous laser beams corresponding to the scanning parameters; and the continuous laser beams are focused by a focusing system and then act on the surface of the metal matrix, so that the surface of the metal matrix is instantly melted and even gasified, and laser cleaning activation before metal surface coating is completed. The laser cleaning process is rapid and accurate, the production efficiency is remarkably improved, and the energy consumption is reduced. By accurately adjusting scanning parameters of the laser generator, such as laser power and scanning speed, accurate control on the surface depth, uniformity and roughness of the metal matrix can be realized. The metal surface subjected to laser cleaning and activation has higher activity, and the chemical bonding force between a coating and a metal base material can be remarkably enhanced.

The utility model discloses a battery module which comprises a plurality of battery monomers arranged in sequence, a plurality of conductive confluence metal sheets electrically connected with the battery monomers and an output connecting terminal used for transmitting battery signals collected from the battery monomers outwards, and each battery monomer is electrically connected with at least one conductive confluence metal sheet. A plurality of signal transmission wires are laid on the surface, facing the upper base film, of the lower base film, one end of each signal transmission wire is electrically connected with the output connecting terminal, and the other end of each signal transmission wire extends to the position below any conductive bus metal sheet or sensing chip and forms a coil area through spiral wiring. According to the battery module disclosed by the utility model, on the basis of realizing real-time acquisition and monitoring on the state of the single batteries, the area of a connecting area of the signal transmission wire, the conductive bus metal sheet and the sensing chip can be increased, and the effectiveness and the stability of connection are ensured.

The present invention relates to the technical field of vinegar koji purification and fermentation equipment, and in particular to a vinegar koji quantitative purification, refining and fermentation equipment and method, the technical scheme of which includes a tank body, a separation box and a separation assembly, a motor is fixedly installed at the bottom of the separation box, and the output end of the motor extends to the interior of the separation box, and a heat-conducting cylinder is fixedly installed on the inner wall of the separation box. The present invention adopts a double separation method of centrifugal separation and osmotic membrane. This method is a physical separation method as a whole, and no chemical reagents need to be added, thereby avoiding possible chemical pollution and ensuring the purity and safety of the product. Compared with traditional filtering or precipitation methods, this structure is easy to clean and maintain, because solid impurities are concentrated inside the cylinder, which can be easily taken out and cleaned, and the structure has strong versatility, not only suitable for the treatment of vinegar koji fermentation liquid, but also applicable to other occasions requiring solid-liquid separation.

The invention relates to the technical field of artificial cultivation of termitomyces albuminosus, in particular to a method for artificial cultivation of termitomyces albuminosus, which comprises the following steps: S1, capturing termites: collecting breeding termites at holes of different termitomyces albuminosus nests of the same variety, and performing wing removal treatment on the breeding termites to obtain the breeding termites after wing removal; a structure simulating a natural ant nest is arranged in a breeding box and comprises channels and cavities of different sizes, the termites are put into the breeding box in the step S2, the breeding box is filled with a suitable soil matrix, the soil humidity is controlled to be 15%-20%, and the temperature is controlled to be 25 DEG C-28 DEG C; the termite cultivation method has the beneficial effects that the soil humidity is controlled to be 15-20% and the temperature is 25-28 DEG C during termite cultivation, and the humidity of a soil mixture is kept to be 15-20% and the temperature is kept to be 23-26 DEG C during termite symbiotic cultivation, so that various environmental parameters are accurately controlled in different steps, and a suitable growth environment is created for termites and termite; the success rate of artificial cultivation is greatly improved.

The invention relates to the technical field of vinegar koji purification and fermentation equipment, in particular to vinegar koji quantitative purification, refining and fermentation equipment and method.The technical scheme includes that the vinegar koji quantitative purification, refining and fermentation equipment comprises a tank, a separation box and a separation assembly, a motor is fixedly mounted at the bottom of the separation box, and the output end of the motor extends into the separation box; and a heat conduction cylinder is fixedly mounted on the inner wall of the separation box. A centrifugal separation and permeable membrane dual separation mode is adopted, the whole mode is a physical separation mode, no chemical reagent needs to be added, and therefore possible chemical pollution is avoided, the purity and safety of products are guaranteed, compared with a traditional filtering or precipitating method, the structure is easy to clean and maintain, and the cost is low. As solid impurities are concentrated in the cylinder, the solid impurities can be easily taken out and cleaned, and the structure is high in universality, not only is suitable for treatment of vinegar koji fermentation liquor, but also can be applied to other occasions needing solid-liquid separation.

The invention belongs to the technical field of waste separation, and particularly relates to waste separation equipment for civil engineering construction and a separation method thereof.The waste separation equipment comprises a separation main body and further comprises a bubble impact type air flotation mechanism and a slag scraping mechanism, the bubble impact type air flotation mechanism is arranged in the separation main body, and the slag scraping mechanism is arranged in the separation main body; the bubble impact type air flotation mechanism comprises a through type driving assembly, a bubble cavitation assembly and a foaming generation assembly, the through type driving assembly is arranged at the top end of the interior of the separation main body, the bubble cavitation assembly is arranged on the through type driving assembly, and the foaming generation assembly is arranged in the separation main body; according to the bubble impact type air flotation mechanism, inorganic substances such as concrete particles, mortar fragments and brick and tile fragments and organic substances such as plastic fragments and paper scraps can be effectively separated from waste materials by utilizing the adhesion of micro bubbles, and the separation mode not only improves the separation efficiency, but also ensures the separation accuracy.

This invention discloses a flanged composite material air intake duct molding fixture, relating to the field of air intake duct molding fixture technology. It includes a core module, which forms the inner molding surface of the air intake duct component. The core module has a relatively upper first end face and a relatively lower second end face along its length, and includes several outer core molds. By redesigning the air intake duct molding fixture, a hard, non-soluble structure can be used as the core mold for the air intake duct component. Furthermore, after molding, it can be removed from the complex molding surface within the air intake duct component. This process avoids chemical pollution and the waiting period for the core mold to dissolve. Therefore, compared to traditional air intake duct component molding methods, the demolding speed is faster after molding, reducing environmental costs and avoiding potential chemical pollution problems. Moreover, during the molding of the composite material, the core mold will not react with the composite material at high temperatures.

The utility model discloses a non-ferrous metal smelting rolled product coating surface treatment device which comprises a U-shaped rack, the upper surface of the U-shaped rack is fixedly connected with a frame-shaped operation bin, the frame-shaped operation bin is located on the rear portion of the U-shaped rack, the inner wall of the left side of the frame-shaped operation bin is fixedly connected with a left water plating spraying machine, and the inner wall of the right side of the frame-shaped operation bin is fixedly connected with a right water plating spraying machine. The inner wall of the right side of the frame-shaped operation bin is fixedly connected with a right water plating spraying machine, and the upper inner wall of the frame-shaped operation bin is fixedly connected with an upper water plating spraying machine. The feeding and discharging mechanism is composed of the frame type operation bin, the horizontal guide rail, the bidirectional motor, the horizontal lead screw, the horizontal sliding block, the horizontal fixing plate and the containing table, feeding and discharging are convenient, meanwhile, a closed coating environment is formed, operators are far away from a coating area, chemical pollution is avoided, and the operation process of the device is safer.