8results about How to "Efficient emissions" patented technology

This utility model discloses a vertical shaft furnace nitrogen oxide emission treatment device, comprising: a vertical shaft furnace, an exhaust pipe fixedly connected to the upper surface of the furnace, a valve seat fixedly connected to the end of the exhaust pipe away from the furnace, a valve core slidably connected to the inner surface of the valve seat, and a compression spring fixedly connected to the side surface of the valve core; a treatment chamber, a water spray pipe fixedly connected to the inner surface of the treatment chamber, a water pump fixedly connected to the side surface of the water spray pipe, a wire mesh fixedly connected to the inner surface of the treatment chamber, a filter box slidably connected to the inner surface of the treatment chamber, and activated carbon disposed on the inner surface of the filter box. Through the above structure, efficient treatment of nitrogen oxide emissions from the vertical shaft furnace is achieved, backflow of the absorbent liquid within the treatment device is prevented, ensuring continuous and sufficient contact and reaction between the absorbent liquid and nitrogen oxides, intercepting water mist generated during the treatment process, and improving the treatment efficiency and effect of the treatment device.

The utility model belongs to the technical field of packing container relates to a kind of starch foaming lunch box, including box body, box cover and cover, the box cover is closed on box body and forms closed cavity, the cover is connected on box cover and forms breathable cavity, first air vent is provided on the box cover, second air vent is provided on the cover, first air vent and second air vent are staggered on the vertical projection plane, first air vent, breathable cavity and second air vent form labyrinth air passage, the edge of first air vent is surrounded and is provided with the first ring of up extension, the edge of second air vent is surrounded and is provided with the second ring of up extension, first ring and second ring form the dustproof structure of the air passage.The starch foaming lunch box provided by the utility model has good air permeability, can realize the efficient discharge of wet hot gas, maintain the crisp taste of food, and also can ensure the anti-fouling function of lunch box.

The utility model discloses a rainwater backflow prevention device for rock wool fireproof ocean platform container, relates to ocean platform container technical field. The rainwater backflow prevention device for rock wool fireproof ocean platform container, including container house, the bottom intercommunication of container house is provided with the water pipe, the bottom fixedly connected with U shape water seal pipe of water pipe, the utility model discloses when the external rainwater first enters the closed box inner chamber through the flow guide pipe, the rainwater first accumulates in the slide plate bottom area, along with the water level continuously rising, the float ring of setting in the periphery of drain pipe because of the liquid buoyancy effect and follow the floating, and drive the slide plate along the I -shaped guide rail and slide up, the rising of slide plate further drives the closure plate, makes it gradually close and finally completely covers U shape water seal pipe communication mouth, at this moment, the aperture of U shape water seal pipe is blocked, effectively blocked the possibility that external rainwater through drain pipe reverse flow into container inside.

This invention belongs to the field of oil and gas recovery technology, and particularly relates to an oil and gas recovery system for gas stations based on a three-stage composite process, comprising: an oil storage tank; a condensation mechanism, with its inlet connected to the outlet of the oil storage tank and its outlet connected to the return outlet of the oil storage tank; a gas-liquid separation mechanism, with its inlet connected to the outlet of the condensation mechanism and its outlet connected to the return outlet of the oil storage tank; and a membrane separation mechanism, with its inlet connected to the outlet of the gas-liquid separation mechanism and its outlet connected to the return outlet of the oil storage tank. This invention can reduce the energy consumption and operating costs of oil and gas recovery, and improve the adaptability of the oil and gas recovery system.

This application relates to a tunnel invert drainage system, comprising a longitudinal blind pipe at the tunnel bottom, a vertical blind pipe at the tunnel bottom, a circumferential blind pipe, a drainage layer, precast no-fines concrete blocks, a waterproof membrane, a transverse blind pipe, a back-adhesive waterstop, a centrally embedded waterstop, and a galvanized steel plate waterstop. The drainage layer includes self-adhesive fabric, a drainage membrane, and geotextile layered sequentially on the initial support surface; precast no-fines concrete blocks are placed on the longitudinal blind pipes of the low sidewall; the waterproof membrane wraps around the longitudinal blind pipes of the low sidewall and the precast no-fines concrete blocks; the transverse blind pipes are located on both sides of the circumferential construction joint, with drainage holes on both sides of the construction joint, the drainage holes communicating with the transverse blind pipes and the longitudinal blind pipes of the low sidewall; the back-adhesive waterstop is adhesively bonded to the waterproof membrane; the galvanized steel plate waterstop is fixed at the construction joint and adhesively bonded to the centrally embedded waterstop. This tunnel invert drainage system enables effective collection and efficient discharge of groundwater, thereby effectively reducing water pressure at the bottom of the invert.

The application discloses a kind of high-level bridge rainwater automatic storage and drainage systems suitable for hilly area sponge city, comprising: water storage system, water storage system includes water storage tank, water storage tank is connected with bridge drain pipe, under the action of gravitational potential energy, water in bridge drain pipe automatically enters water storage tank;Drainage system, water storage tank and green belt irrigation system are connected, under the action of gravitational potential energy, water in water storage tank automatically enters irrigation system;Rainwater diversion system, including rainwater diversion pond, water storage tank and bridge drain pipe are connected, rainwater diversion pond is provided with overflow, and overflow is provided with pressure control component, when water level in water storage tank reaches set water level, under the action of water pressure difference, pressure control component is automatically opened, so that rainwater enters municipal pipe network;The present application utilizes the height difference advantage between viaduct, cutting slope and ground green belt, converts the gravitational potential energy of rainwater into the kinetic energy of rainwater storage and drainage, and can realize the collection and utilization of rainwater with zero energy consumption.

The utility model discloses a shaping waste gas combustion treatment system, aims at providing a shaping waste gas combustion treatment system who can reduce energy consumption, reduce pollution emission and carbon emission. It includes workstation, a plurality of drying oven, waste gas incinerator, heat exchanger, waste heat recovery ware and exhaust pipe, is installed with burner in waste gas incinerator, and drying oven and exhaust pipe are connected with the upper end of workstation, and waste gas incinerator, heat exchanger, waste heat recovery ware are connected with the lower end of workstation, and workstation is equipped with waste gas inlet pipe and heat recovery pipe, and waste gas inlet pipe and heat recovery pipe all are installed with power fan, and one end of waste gas inlet pipe is connected drying oven, and the other end of waste gas inlet pipe is connected heat exchanger, and one end of heat recovery pipe is connected drying oven, and the other end of heat recovery pipe is connected waste heat recovery ware. The utility model has the beneficial effect of: realize energy saving and emission reduction and reduce pollution and carbon; operation efficient and green environmental protection; system compact, path saving and gas efficient flow.

The utility model discloses a kind of fire powder weight counting devices for spitting bead type firework production, including support plate, fire powder tank is provided in the upper portion of support plate, collecting box is installed in the bottom of fire powder tank, support frame is fixed in the side of support plate, and the support frame supports and positions collecting box, the top of fire powder tank is provided with the air pressure adjusting assembly being communicated with its inner cavity, the upper portion of the side of fire powder tank is provided with the feeding assembly being communicated with its inner cavity.The fire powder weight counting device for spitting bead type firework production, fire powder weighing process is in sealed environment, reduce the amount of fire powder floating to outside, reduce the hidden danger of production safety while avoiding fire powder waste, the device is fed and discharged by adjusting the air pressure in fire powder tank to control fire powder, convenient for the replenishment of fire powder in fire powder tank, while avoiding fire powder to be jammed in discharging assembly by static friction, ensure that fire powder is effectively discharged and weighed, facilitate the production preparation of fireworks.