3results about How to "Clean air quality" patented technology

The dust recovery device for the refractory material crushing equipment comprises a crushing box, supporting legs are symmetrically and fixedly connected to the two sides of the bottom of the crushing box, discharging pipes are symmetrically inlaid in the lower inner portion of the crushing box, and sealing blocks are connected to the inner sides of the bottoms of the discharging pipes in an inserted mode; a recycling mechanism is arranged on one side of the bottom of the smashing box, and a sealing assembly is arranged in the recycling mechanism. Wherein the recycling mechanism comprises a recycling box arranged on one side of the bottom of the crushing box, and an annular plate is fixedly connected to the bottom of the crushing box, so that dust generated during discharging of the refractory material can be quickly sucked, and the effect of effectively purifying the air quality of a working area can be achieved; and therefore, the problem that workers suck dust by mistake and hurt the body can be effectively avoided, the refractory material crushing and recycling efficiency is greatly improved, and convenience is brought to the workers during use.

The utility model discloses a coal mine roadway car wash pool relates to car wash pool technical field, it includes setting in the car wash pool of roadway inner terrace surface, the car wash pool one side is equipped with the water inlet pipe, the car wash pool other side is provided with the drain pipe, the car wash pool inner terrace surface is the concrete terrace, and the concrete terrace bottom end is the concrete cushion, and is provided with metal anchor rod and anticorrosion anchor cable reinforcement on the concrete cushion. This kind of coal mine roadway car wash pool, vehicle drives to car wash pool in roadway can complete cleaning tire, reduces the amount of mud of tire, effectively reduces the amount of mud of roadway surface, through the automatic full section centralized dust removal area of adding, effectively purifies the air quality of incoming flow, and synchronously completes the body cleaning.

This application relates to the field of in-vehicle air purification technology, and provides a method, apparatus, electronic device, and readable storage medium for purifying in-vehicle air. The method includes: when a pet is detected in the vehicle, controlling the air purifier of the vehicle to adjust to a first preset level; acquiring the concentration of pet hair in the air inside the vehicle; and when the concentration of pet hair is greater than the first preset concentration, controlling the air purifier to adjust to a second preset level; wherein the purification intensity corresponding to the second preset level is greater than the purification intensity corresponding to the first preset level. This application solves the problem in the prior art where manually adjusting the air purifier when a pet enters the vehicle results in insufficient timely purification of the in-vehicle air.