25 results about "Waste gas" patented technology

A large convoluted space, such as a multi-story concourse of an airport is isolated and a chemical or biological agent in the concourse is deactivated. A plurality of deactivation gas sources (100) introduce a deactivation gas at multiple points along the concourse. Fans (66, 106) circulate the deactivation gas, sensors (110) sense concentrations of the deactivation gas at numerous points around the concourse and exhaust fans (66) exhaust air, spent deactivation gas, and some deactivation gas. A control processor (84) controls the generators, the circulation fans, and the exhaust fans in accordance with the gas concentrations sensed by the sensors to increase and decrease deactivation gas concentration in selected subregions of the concourse by increasing or decreasing generation, increasing or decreasing exhausting, or altering flow patterns among subregions.

The invention belongs to the technical field of spray coating and specifically relates to an automatic circular metal plate spray coating device. The automatic circular metal plate spray coating device comprises a base. One side of the top of the base is rotatably connected with a rotary disk. Conveyor belt bodies are inlaid on the top of the base. An outer shell is welded to the top of the base.One side of the base is movably connected with a material collection frame. A waste gas treatment device is mounted on the other side of the base. An electric cylinder body is fixedly mounted on the top of the outer shell. The electric cylinder body is fixedly connected with a mounting frame. A variable frequency motor is fixedly mounted inside the mounting frame and fixedly connected with a polishing pad. A stand column is welded to the interior of the outer shell. A spray gun is fixedly mounted at the bottom end of the stand column. A storage device is welded to one side of the top of the outer shell. A draught fan is embedded on the top of the outer shell. The automatic circular metal plate spray coating device is simple and reasonable in structure design, convenient to operate, capableof automatically feeding and discharging materials, effectively treating waste gas and improving the working efficiency, safe, stable, wide in application range and beneficial to popularization.

The invention relates to a paint spraying and drying integrated room for robot operation. The paint spraying and drying integrated room for robot operation comprises a room body and a circulating air module, the room body is provided with a conveying rail extending into a paint spraying and drying room, and a driving device and a tensioning device are arranged at the two ends of the conveying rail respectively. The conveying rail is provided with a workpiece supporting plate in a sliding connection mode. The paint spraying and drying room is connected with the circulating air module in a penetrating manner. An air supply box is arranged in the circulating air module, and is provided with an air supply pipe connected with the paint spraying and drying room through a pipeline. The paint spraying and drying room is provided with a dynamic pressure chamber which communicates with the air supply pipe. The dynamic pressure chamber is arranged in the paint spraying and drying room and communicates with a static pressure chamber, and the static pressure chamber communicates with an inner cavity of the paint spraying and drying room. An exhaust covered channel is formed below the paint spraying and drying room, the exhaust covered channel communicates with an exhaust chamber, and the exhaust chamber is provided with a hot air circulating pipe which is connected with an air supply box pipeline. According to the paint spraying and drying integrated room for robot operation, three filter layers are used for treating paint mist, and activated carbon is used for adsorbing, replacing and desorbing VOCs in waste gas; and the paint spraying and drying room is connected with the circulating air module for drying and exhausting circulation.

The invention discloses an environment-friendly waste gas detection device. The device comprises a box body; the box body is made of a metal material; four mounting blocks are symmetrically and fixedly connected to the lower portions of the side walls of two sides of the box body; first mounting grooves are symmetrically formed in the middles of the upper portions of the two side walls of the boxbody; and a gas incoming groove is formed in the center of the bottom wall of the box body. According to the environment-friendly waste gas detection device of the invention, an integrated design is adopted; the four mounting mechanisms are adopted, so that the installation of the device is facilitated; an auxiliary air incoming device and an auxiliary air discharging device are adopted to performsuck in and exhaust environment-friendly waste gas; a gas detection device is arranged between the auxiliary air incoming device and the auxiliary air discharging device so as to monitor the environment-friendly waste gas; a plurality of groups of inductive probes extend out of the monitoring device and are arranged in an air duct; a plurality of groups of detection data are detected; data analysis and processing are performed; and an obtained detection result is relatively accurate. The whole device of the invention has the advantages of relatively high detection efficiency, high accuracy and relatively high practical applicability.

The invention discloses an online wet and hot water vapor recovery device for electroplating treatment. The recovery devicecomprises a box body (2), an air inlet (6) and an air outlet (1) are formed in the box body, the box body is installed on a vertical section of a branch exhaust pipe of an air draft system on the side of a hot water washing tank of an electroplating production line through the air inlet and the air outlet, a rotating shaft (4) is vertically installed in the box body, an impeller (3) is installed on the rotating shaft through a bearing, the surface of the impeller is covered with a hydrophilic adsorption material, the whole impeller is arranged in an umbrella shape in the vertical direction, a hot water collecting and storing device (5) is arranged under the impeller, and the hot water collecting and storing device is communicated with the hot water washing tank (7) through a water conveying guide pipe. Water and heat in wet and hot water vapor are recycled, so that the production and operation cost of electroplating treatment is reduced, and meanwhile, the problem that due to the wet and hot water vapor, leakage and venting of a follow-up waste gas exhaust pipeline are increased is effectively solved.

The invention relates to the technical field of waste gas purification, and particularly relates to an efficient waste gas purification all-in-one machine utilizing photo-oxidation catalysis and activated carbon adsorption. The machine comprises a photo-oxidation catalytic tank, wherein a purifying tank is arranged on one side of the photo-oxygen catalytic tank, a cavity is formed in the photo-oxygen catalytic tank, a plurality of lamp holders are arranged at the bottom of the cavity, a zigzag glass tube is arranged between every two lamp holders, the two ends of each zigzag glass tube penetrate through the two sides of the photo-oxygen catalytic tank, and the air outlet end of each zigzag glass tube further penetrates through one side of the purifying tank and extends into a purifying cavity; circular grooves are formed in the lamp holders, high-energy high-ozone UV lamps are arranged in the circular grooves, and a plurality of layers of efficient adsorption activated carbon plates are arranged in the purifying cavity. According to the invention, the high-energy high-ozone UV lamps, the zigzag glass tubes and the high-efficiency adsorption activated carbon plates are arranged, sothat ultraviolet light beams emitted by the high-energy high-ozone UV lamps can crack waste into harmless low-molecular-weight compounds, the efficient adsorption activated carbon plates can filter dust particles, and the problems that waste gas treatment in a factory is not thorough enough, a small amount of waste gas and a small amount of dust particles are contained in exhausted gas, and the environment is polluted are solved.

The invention relates to the technical field of chemical production, in particular to a process for treating tail gas containing acetone and triethylamine. The process comprises the following steps: firstly, discharging waste gas into a waste gas buffer tank, and enabling the waste buffer tank to guide the waste gas to an acetone tail gas absorption tower for treatment through a waste gas header pipe; and subjecting the waste gas to spraying and absorption in the acetone tail gas absorption tower, then performing adsorption by an activated carbon tank, finally pumping out qualified tail gas through tower top air, and exhausting the qualified tail gas to the atmosphere. The process is good in tail gas absorption effect, high in recovery rate and simple in treatment process.

The invention discloses a carbon neutralization combined cycle device. The device comprises a boiler, a flue gas pipeline and an induced draft fan which are sequentially connected, an outlet of the induced draft fan is connected with greenhouses through pipelines, the number of the pipelines and the number of the greenhouses are multiple, and each pipeline corresponds to one greenhouse. The induced draft fan and the distributed pipelines are directly connected with inlets of the greenhouses, the induced draft fan can adjust the flue gas amount in a variable frequency manner, flue gas enters the plurality of greenhouses through the induced draft fan and the distributed pipelines through design, CO2 and a heat source penetrate through crops such as fungus grass or forage grass and other various plants, under the action of a light source and the heat source, the temperature in the greenhouses is adjusted to be within the temperature range most suitable for the plants, the plants make direct contact with the CO2, photosynthesis and the like are rapidly generated, and the plants grow rapidly. The greenhouses utilize waste gas and waste heat, so that a large amount of operation cost is saved, the growth period of the crops such as the fungus grass or forage grass is shortened, and the yield is increased.

The invention discloses a kitchen waste gas treatment device. The device comprises a waste gas treatment box, wherein the waste gas treatment box comprises a gas inlet, a bag filter zone, a spraying zone and photochemical reaction zones which are communicated sequentially; multiple bag filters are arranged in the bag filter zone, a plurality of spraying heads are arranged in the spraying zone, and a photochemical reaction device is arranged in each photochemical reaction zone. The kitchen waste gas treatment device is simple in structure, small in floor space and good in waste gas treatment effect.

The invention belongs to the technical field of automobile engine supercharging systems, and relates to a double-supercharging system. The system comprises an engine, a turbocharger and an electric supercharger, wherein the engine is connected with the turbocharger through a first gas exhaust pipeline, the turbocharger is connected with the electric supercharger through a pipeline, the electric supercharger is connected with the engine through a first air inlet pipeline, waste gas exhausted by the engine enters the turbocharger through the first gas exhaust pipeline so as to drive a turbine ofthe turbocharger, the turbine drives a pressing wheel of the turbocharger to rotate, the pressing wheel compresses air from a second air inlet pipeline, compressed first-stage compressed air enters the electric supercharger, under a damaged working condition, the electric supercharger carries out second-stage supercharging on the first-stage compressed air, and supercharged second-stage compressed air enters the engine through the first air inlet pipeline. According to the double-supercharging system, the turbine hysteresis phenomenon of the turbocharger can be avoided.

The invention relates to a power adjustable ultrasonic wave flue dust purification apparatus, which is formed by connecting a power supply part circuit, a control part circuit, a display part circuit, a button part circuit, and an ultrasonic wave purification treatment part circuit, wherein the power supply part supplies the power for the control part and the purification treatment part, and then supplies the power for the display part and the button part through the control part, and the control part receives the command of the button part to perform the corresponding operation, displays the current real-time voltage value data and the current real-time current value data through the display part, and finally controls the ultrasonic wave purification treatment part to purify the flue dust waste gas so as to be discharged. The power adjustable ultrasonic wave flue dust purification apparatus of the present invention has advantages of working environment temperature monitoring, high-temperature protection, reasonable apparatus power adjustment, loss reducing, and product work live improving, can be subjected to switching of three work modes such as full-power, half-power, and standby so as to achieve the optimal state, and can achieve the flue dust purification under the high temperature environment of not more than 300 DEG C.

The invention discloses an exhaust gas treatment device of a metal organic chemical vapor deposition apparatus and application of the exhaust gas treatment device. The exhaust gas treatment device comprises an air inlet unit, an absorption unit, a monitor unit and a control unit, wherein the air inlet unit is used for inputting to-be-treated exhaust gas, the absorption unit is provided with a gasexhaust mouth, and is connected with the air inlet unit, and an absorption liquid for absorbing the to-be-treated exhaust gas is arranged in the absorption unit; the monitor unit is used for monitoring parameters of the absorption liquid in the absorption unit and outputting the parameters to the monitor unit, the parameters include the pH value, the ORP value and/or the temperature, and the control unit is used for controlling a servo component in the exhaust gas treatment device according to the parameter values and other signals which are output by the monitor unit, so that the corresponding parameters of the absorption liquid are adjusted. The treatment capability of the device is improved greatly, exhaust gas treatment of at most ten MOCVD devices can be met at the same time, the negative pressure is controlled by Venturi and a fan at the same time, and a wide negative pressure range and high accuracy are achieved.

The invention discloses a CFB semi-dry desulfurization system which comprises a reaction tower, a flue gas inlet pipe of the reaction tower is connected with a gas outlet pipe of an electric dust remover, the gas outlet pipe of the reaction tower is connected with a gas inlet pipe of a bag-type dust remover, the discharging end of the bag-type dust remover communicates with a fluidizing tank, and a powder discharging pipe of the fluidizing tank communicates with a powder storage box. A first screw conveyor and a second screw conveyor are arranged at the bottom of the powder storage box, and the first screw conveyor conveys powder into a recycling box for recycling. A powder conveying ring and a water conveying ring are fixedly mounted on the flue gas inlet pipe. By arranging the powder conveying ring, materials can be uniformly conveyed into second Venturi tubes at the same time, the influence of sprayed powder on the flow direction of sulfur-containing waste gas output by the first Venturi tubes can be reduced, the reaction efficiency is improved, and the friction loss of the powder on the inner wall of the reaction tower is reduced.

The invention discloses a high-concentration organic malodorous waste gas treatment machine for an urban sewage treatment plant, which structurally comprises a filter, a fan, a deodorizer and an extraction device, the fan is connected between the filter and the deodorizer through a flange, and the extraction device is arranged at the right end of the extraction device; the air inlet device can be automatically closed when the sewage level is too high, a large amount of sewage is prevented from overflowing into the air inlet device, condensed small water drops mixed in gas can be intercepted during normal work at ordinary times, and the intercepted small water drops are collected and discharged when work is stopped. According to a second air passing pipe, water doped in gas can be separated out and condensed into small water drops to be stored, liquid is discharged in a unified mode when work is stopped, and the situation that a large amount of water doped in the gas is sucked into equipment, and the equipment is damaged is avoided.

The invention discloses waste gas treatment equipment for an incinerator, and relates to the technical field of waste gas treatment. The waste gas treatment equipment for the incinerator comprises a waste gas reaction bin, a connecting pipeline is fixed to the right side of the waste gas reaction bin, a colloid pipeline is embedded and fixed to the top end of the waste gas reaction bin, a filtering and cleaning device is fixed to the upper end of the interior of the waste gas reaction bin, and the filtering and cleaning device comprises a linear motor, a filter screen, an L-shaped sliding rail and a control structure. According to the waste gas treatment equipment for the incinerator, the filtering and cleaning device is arranged at the air outlet of the colloid pipeline, so that the purposes of primary filtering and cleaning are achieved, solid particles in waste gas are primarily filtered through the filter screen, and then the linear motor controls the collecting bin to move; and in the moving process, the filter screen is cleaned through rotation of the steel brush roller, solid particles attached to the filter screen are cleaned down, and the filter screen can be effectively prevented from being blocked.