44results about How to "Improve breathing environment" patented technology

The invention provides an air curtain breathing mask, which includes a headwear and a battery, and is characterized in that it also includes a pair of ear shells, the inner surface of each ear shell is respectively connected to the two ends of the head wear, and there is a cavity in the ear shells , the battery is installed at the bottom of the cavity, and the cavity is sequentially installed with an air purification device and an air curtain centrifugal fan from the outside to the inside; and, it also includes a flow channel, the flow channel is a hollow tubular structure, and its two ends are respectively connected to the The air outlets of the air curtain centrifugal fan installed in the left and right ear shells are connected, and an air outlet is opened on the flow channel. The breathing mask of the present invention provides pure air efficiently without causing the user to feel suffocated, and can also automatically process the filtered air according to the current environment, making the air inhaled by people healthier and more in line with the human body's air quality requirements, with a perfect user experience.

The invention discloses an oxygen-enriching device and method for a driving face in a high-altitude mine. pipeline mechanism; the method comprises the following steps: 1. installation of the regional oxygen supply mechanism; 2. connection of the oxygen supply nozzle mechanism; 3. activation of the regional oxygen supply mechanism; 4. activation of the oxygen supply nozzle mechanism; Oxygen-enriched area. In the present invention, the oxygen supply nozzle mechanism is set to pressurize and increase the oxygen in the local area near the mouth and nose of the operator, and at the same time, the oxygen gathering disc forms an annular air curtain and local oxygen enrichment in the area surrounded by the annular air curtain, so as to concentrate the oxygen in Oxygen is supplied in the breathing zone area around the workers and an air barrier is formed around the workers to slow down the diffusion and loss of oxygen, so as to achieve the purpose of increasing the oxygen content in the breathing zone of the workers, ensuring the safety of the workers and improving work efficiency.

The invention discloses a method and a device for protecting harmful bacteria and viruses in a densely populated area, and belongs to the technical field of pathogenic bacteria and virus protection. According to the protection method, a single person enters a closed room for the single person so as to be subjected to cross infection protection. The protection device comprises a closed room where the single person is located alone, wherein a door, an air inlet and an exhaust pipe are arranged on the closed room; a negative pressure air suction cavity connected with the exhaust pipe is formed inthe closed room; a first sterilization device is arranged at the air inlet; and a second sterilization device is arranged on the exhaust pipe. According to the method and the device for protecting the harmful bacteria and the viruses in the densely populated area provided by the invention, by arranging the closed room where the single person is located alone, air entering the closed room and airexhausted out of the closed room are treated through the sterilization device, so that the air entering the closed room and the air exhausted out of the closed room are safe, a comfortable and safe environment space can be provided for people in the densely populated area, and pathogenic bacteria and virus cross infection is prevented. The protection device provided by the invention is reasonablein structure and low in cost, and the protection device and method are suitable for application and popularization.

The invention relates to an air perfuming machine, comprising a shell, wherein an essential oil bottle, a mandril and a catalysis bud head are arranged in the shell; the air perfuming machine is characterized in that a support in detachable connection with the catalysis bud head is arranged in the shell, the support is provided with a circuit board, the circuit board is provided with a mounting hole for the catalysis bud head to pass through, the catalysis bud head comprises a cover body, the periphery of the cover body is provided with a containing cavity which is defined by a convex wall, and capable of containing the mandril, and the cover body is provided with at least one through hole at a position opposite to the end part of the mandril. Compared with the prior art, the air perfuming machine has the advantages that the catalysis bud head is in detachable connection with the support for further achieving the aim of directly replacing the essential oil bottle; besides, the support is provided with the circuit board, the circuit board is provided with the mounting hole for the catalysis bud head to pass through, and the catalysis bud head is provided with the containing cavity capable of containing the mandril, and the containing cavity can ensure that all heat of the catalysis bud head is used for heating the mandril, so the heat loss is small, and an essential oil volatilization rate enables a temperature to quickly rise to 100 DEG C within a short time of 30s-1min.

Provided is an environment-friendly tea dust incense stick. The environment-friendly tea dust incense stick is composed of, by weight parts, 80-82 parts of Tie Guan Yin leftovers, 18-20 parts of sticky powder and 2-2.5 parts of potassium nitrate. The production technology comprises a step (1) of weighing the Tie Guan Yin leftovers, the sticky powder and the potassium nitrate respectively; a step (2) of drying and extracting incense of the Tie Guan Yin leftovers until no water exists and grinding the Tie Guan Yin leftovers to tea dust with fineness of 80-100 meshes; a step (3) of adding the sticky powder, the potassium nitrate and the tea dust into a blender, adding 35-40 parts of water and stirring the mixture into a clump, wherein no air exists in the material; a step (4) of putting the material into an incense stick making machine to be squeezed out to form the incense sticks; a step (5) of receiving the incense through an incense sieve and performing arrangement; and a step (6) of uniformly coating the surface of the incense stick of the step (5) with a layer of paraffin microcapsules and drying and shaping at last. According to the environment-friendly tea dust incense stick, the Tie Guan Yin leftovers are utilized as the main raw materials, the waste is turned into wealth, and the environment-friendly tea dust incense stick can absorb harmful gas and has good health care effect compared with the incense sticks adding with traditional Chinese medicine ingredients.

The invention belongs to the technical field of dustproof covers, and particularly relates to a dustproof cover used for a building engineering stirring machine. The dustproof cover comprises a coversleeve, a cover body, a heavy block, a strip swing plate, a volute spiral spring, a first incomplete bevel gear, a second incomplete bevel gear, a supporting lug, a cam and the like; a dustproof covercan be automatically opened when a feeding and discharging opening in a stirring cylinder needs to carry out feeding or discharging, in the stirring process of concrete raw materials in the stirringcylinder, the feeding and discharging opening in the stirring cylinder is covered by the dustproof cover, and therefore when the concrete raw materials are turned over in the stirring cylinder to cause a large amount of raw material dust, the dust cannot drop out of the feeding and discharging opening of the stirring cylinder and diffuse to the surrounding air, the phenomenon that the dropped-outraw material powder causes pollution to the surrounding air of the concrete stirring machine is avoided, and a certain environment-friendly effect is achieved; the structure is simple, and the good use effect is achieved.

The invention belongs to the field of dust covers, and particularly relates to a concrete mixer dust cover applied in the constructional engineering field. The concrete mixer dust cover comprises a cover case, a cover, a second revolving shaft, a stripped swing board, a heavy block, a second arc-shaped rack, a hinging plate, vortex springs, a belt and a driving gear and the like, wherein the dustcover can be opened automatically when materials need to be charged or discharged through feeding and discharging holes in a stirring barrel; the feeding and discharging holes in the stirring barrel are shielded by the dust cover in a process of stirring the concrete raw material in the stirring barrel, so that a large amount of raw material dust generated by rolling of the concrete raw material in the stirring barrel is prevented from leaking from the feeding and discharging holes and being diffused to surrounding atmosphere, the pollution of atmospheric air around a concrete mixer caused bythe leaking raw material dust is avoided, and the environment is protected at a certain degree. The concrete mixer dust cover has a simple structure, and a better using effect.

The invention relates to a carbonation wooden wall and a construction method thereof. The construction method comprises the following steps: the base layer of a wall is connected with a keel frame, a wooden plywood base layer and a carbonation wood layer in turn, the side of the carbonation wooden wall is connected with an edging steel plate, wherein the keel frame is a space truss structure connected by crosswise keels and upright keels; the upright keels are fixed with the base layer of the wall through angle steel connection parts; the crosswise keels are connected between the upright keels; the wooden plywood base layer is spliced by wooden plywoods; the front of the unit block of each wooden plywood is connected with the carbonation wood layer, the back is fixed on the upright keels through screws; the carbonation wood layer has two kinds, namely carbonation wood block layer and carbonation wood ribbon layer; and the carbonation wood block layer is formed by staggered carbonationwood cylinders, and the carbonation wood ribbon layer is spliced by carbonation wood ribbons. The carbonation wooden wall has colourful visual impact, excellent effects of environmental protection and energy saving and low production cost and is suitable for high-grade indoor environment decorating projects such as hotels, guest rooms, bars and various private rooms.