6 results about "Ventilation duct" patented technology

The invention discloses a cyclone spraying activated carbon adsorption composite dust remover for a pavement maintenance truck. The dust remover comprises a dust remover body, the dust remover body comprises a cyclone cylinder, a spraying device and an activated carbon box which are sequentially connected through ventilation pipes, the cyclone cylinder is composed of an inner cylinder body and an outer cylinder body, a spiral plate is arranged between the inner cylinder body and the outer cylinder body, the spiral plate is wound on the outer side wall of the inner cylinder body, an ash discharge port is formed in the bottom of the outer cylinder body below the spiral plate, a spraying air inlet is formed in the side body of one side of the outer cylinder above the ash discharge port, an air inlet is formed in the bottom of the inner cylinder, an air outlet is formed in the top of the inner cylinder body, the air outlet is connected with the air inlet through a ventilation pipe, a spraying air outlet is further formed in the spraying device and connected with an inlet formed in the activated carbon box through a ventilation pipeline, activated carbon is placed in the activated carbon box, and a gas exhaust port is further formed in the activated carbon box. The dust remover has the characteristics of reasonable structure, easiness in maintenance, good filtering effect and the like.

The present invention provides a noise reduction transformer, which includes a box body, a sound-absorbing barrier is arranged on both sides of the box body, and the bottom end of the sound-absorbing barrier is fixedly connected with the box body; the top of the box body is arranged There is a ventilation opening, and a fan, an electronic switch and a temperature sensor are arranged inside the ventilation opening; a ventilation duct is arranged at the bottom of the box body, and the ventilation duct is fixedly connected with the box body. The advantages of the present invention are: simple structure, multiple functions, various noise reduction methods, noise transmission can be blocked through the sound-absorbing barrier, noise can be attenuated during the transmission process through the upper ventilation device and the lower ventilation pipe, the method Practical, can achieve the purpose of noise reduction, energy saving and environmental protection.

The invention discloses a high-protection-performance electric power cabinet capable of stably classifying internal circuits and used for electric power. The high-protection-performance electric power cabinet comprises: a cabinet body, wherein the cabinet body is a main shell structure of the electric power cabinet, the outer surface of the cabinet body is provided with a support plate, and the outer surface of the support plate is connected with heat dissipation fins; a top cover, which is located at the top end of the cabinet body, wherein a wheel shaft is connected to the interior of the top cover, and an ion spray point is arranged at the top end of the wheel shaft; and a fixing frame, which is located at the bottom end of the top cover, wherein an activated carbon filter screen is arranged on the outer surface of the fixing frame, and air cylinders are arranged at the left end and the right end of the fixing frame. According to the high-protection-performance electric power cabinet capable of stably classifying the internal circuits, cables are cooled in an air cooling mode, so faults of the cables caused by high temperature influence are reduced; and the top cover and the fixing frame form a lifting structure, rainwater can be prevented from entering a ventilation pipeline of the electric power cabinet in rainy and snowy days, and wind energy can be continuously utilized to cool the interior of the cabinet, so the overall practicability of the electric power cabinet is improved.