2692 results about "Dust abatement" patented technology

The invention discloses dust removal equipment for dust explosion prevention and a dust removal method thereof, and relates to the field of dust removal equipment.The dust removal equipment comprises a dust removal box, a plurality of dust removal cloth bags in the dust removal box and a treatment mechanism for dust explosion prevention, the treatment mechanism is composed of a gas mixing assembly, a scraping assembly and a vibration assembly, and a filter bag top frame is connected with a vibration pipe frame through the vibration assembly; the gas mixing assembly is communicated with the dust removal box through a gas inlet pipe, the gas mixing assembly is used for mixing dusty gas and inert gas and preliminarily removing large-particle dust, and the scraping assembly is arranged below the gas mixing assembly and scrapes the filtered large-particle dust; and the vibration assembly is used for periodically vibrating the dust removal cloth bag after the scraping assembly is detached so as to remove fine dust attached to the inner wall of the dust removal cloth bag. Inert gas is introduced and fully mixed before entering the dust removal box, and primary large-particle dust is filtered, so that the oxygen concentration is reduced, and dust explosion is effectively prevented.

The invention relates to the technical field of safety and environmental protection, in particular to a negative-pressure circulating explosion-control dust removal method suitable for combustible dust places, which comprises the following steps: firstly, sealing a bin body and injecting carbon dioxide-nitrogen inert gas to generate a low-oxygen environment; then, a flow guide angle-adjustable cyclone separator, a dielectric barrier discharge plasma reactor and a waste heat thermo-acoustic transducer are driven to cooperatively capture dust, and sound node amplitude synthesis capture data are obtained through compressed sensing of a microphone; inputting the environment data and the capture data into a reinforcement learning process containing a micro-thermochemistry model, and outputting instructions for adjusting negative pressure pulse, inert flow, sound field intensity and cyclone geometry; in combination with distributed radio frequency imaging data, an adversarial digital twinborn model is generated to predict explosion free energy, and automatic rollback or shutdown is carried out when the explosion free energy exceeds a threshold, so that a safe, efficient and low-energy-consumption closed loop is formed.

The invention relates to the technical field of underground dust removal and ventilation, in particular to an underground driving working face ventilation and purification device and a use method.The underground driving working face ventilation and purification device comprises an air duct, a detection frame is arranged at the top of the air duct, a sensing system is arranged outside the detection frame, and a dust collection unit is arranged in an inner cavity of the air duct; compared with an existing ventilation and purification device for the driving working face, when air suction is conducted on the driving working face through an air duct, the head-on collecting assembly can accelerate the air suction speed of the air duct, on the other hand, the head-on collecting assembly can be close to the area, with large dust, of the driving face, accurate suction is achieved, and the dispersion speed of dust is reduced; dust in the air is removed from the underground driving working face through the atomization dust removal assembly; the head-on collecting assembly is close to the heading face of the dust raising position and assists the air duct in adsorbing and discharging air.

The invention relates to the technical field of plate polishing, and provides a polishing device for decorative plate production, which comprises a frame body, a dust removal cover body is arranged on the frame body, a plate body input channel and a plate body output channel are oppositely formed in the dust removal cover body, and a polishing conveying assembly is arranged in the dust removal cover body and is used for polishing a plate body; the top of the dust removal cover body is communicated with a dust discharge pipe; the number of the dust overflowing prevention assemblies is two, and the dust overflowing prevention assemblies are arranged in the plate body input channel and the plate body output channel correspondingly. According to the decorative plate polishing device, the dust overflowing prevention assemblies are arranged in the plate body input channel and the plate body output channel correspondingly, and the gap air inlet design between the channels and the plate body is combined, so that the dust overflowing probability at the gap of the channels is reduced when the plate body passes through; the technical problem that the working environment is affected due to the fact that dust easily overflows when a polishing device in the related technology polishes a plate body is solved.

The invention relates to the field of dust removal, and discloses a woodworking central dust remover which comprises a dust remover body, a filter assembly and a dust removal assembly arranged in a filter bag, a dust removal cavity and a dust suction cavity are formed in the dust remover body, an air chamber valve is arranged between the dust removal cavity and the dust suction cavity, the air chamber valve separates the two cavities, an air inlet is formed in the side wall of the dust removal cavity, and an air outlet is formed in the side wall of the dust suction cavity; the linkage ash removal mechanism is constructed by arranging the supporting rods capable of expanding in the radial direction in the filter bag and the tightening ring connected to the bottom. The multiple supporting rods synchronously expand outwards under the action of high-pressure airflow to drive the tightening ring to be screwed, so that the filter bag structure is expanded and twisted to form a composite disturbance area covering the inner wall and the bottom, the dust attachment state is effectively destroyed, and the filter bag structure is particularly suitable for cleaning the bottom, wrinkles and other traditional areas difficult to clean.

The invention relates to the technical field of environmental protection, in particular to a spraying dust removal method, equipment and system. The spraying dust removal equipment comprises an outer cylinder and an adjusting mechanism, wherein a smoke inlet is formed in the lower part of the outer cylinder. The adjusting mechanism comprises an adjusting assembly and a plurality of turbulent balls. The adjusting assembly comprises a pull ring, a net bag and a driving unit. The smaller the initial dust air flow entering the smoke inlet is, the larger the upward moving stroke of the pull ring driven by the driving unit is, the upward moving of the pull ring drives the middle of the net bag to be further sunken downwards, the structure is convenient for weak air flow to preferentially pass through the periphery of the net bag with a small number of turbulent balls, effective turbulent washing is formed in the area, and the working efficiency is improved; and the normal operation and the dust removal effect of the equipment under low load are ensured. The invention provides a spraying dust removal method, equipment and a system, aiming at solving the problems that the dust removal efficiency is low and even the dust removal device cannot work when the flow of dust gas introduced into the existing dust removal device does not reach a preset dust gas flow range value.

The invention discloses a stiffening plate fitting, positioning and dust removing mechanism which comprises a fixed plate fixed to a workbench, a positioning frame which is hollow in the middle and is of a square structure is arranged at the top of the fixed plate, the four side faces of the inner side of the positioning frame are inclined faces, and moving grooves are formed in the front side edge and the rear side edge, opposite to each other, of the positioning frame. Placing grooves are formed in the left and right opposite side edges of the positioning frame, connecting rods are arranged at the two ends of the electrostatic dust collection rod, and the two ends of the electrostatic dust collection rod are in sliding insertion connection with the two moving grooves of the positioning frame correspondingly. The device is used for reinforcing and attaching the plate, automatic positioning and position adjusting are achieved when the plate moves to the bearing plate, the attaching accuracy is improved, reinforcing and attaching of various reinforcing plates at different positions of the same plate are achieved at the same time, the dust collection paste can adsorb and collect dust falling after an electrostatic dust collection rod stops working, and the device is simple and practical.

The invention provides a dust removal method and system for a surface galvanizing automatic production line, and the method comprises the steps: installing air quality sensors at all key points in a workshop of the surface galvanizing automatic production line, and monitoring the dust concentration, humidity, temperature and other key parameters in the air in real time; the air quality in the workshop is evaluated according to the key parameters, and if it is monitored that the air dust concentration of a certain workshop area exceeds a preset safety threshold value, the workshop area is automatically adjusted to a dust removal mode; judging that a dust removal mode needs to be started, sending an instruction to dust removal equipment, starting a corresponding dust removal program, and starting an industrial dust collector or a spraying system; after the dust removal equipment starts to work, the air quality sensor continues to monitor the air quality and provides real-time feedback. The system comprises a parameter acquisition module, a quality evaluation module and a dust removal execution module. According to the invention, real-time monitoring, intelligent evaluation, automatic dust removal and continuous optimization of air quality are realized.

The invention provides an intelligent dust remover control method and system based on electrostatic adsorption. The method comprises the following steps: acquiring dust concentration, temperature and humidity and particulate matter impedance spectrum data of a working environment, screening key measurement points, applying an alternating electric field to obtain an impedance phase difference map, performing frequency spectrum consistency verification on the impedance phase difference map and the impedance spectrum data after temperature and humidity compensation, and calculating conductivity discrimination parameters of dust with different particle sizes; deploying a parallel metal plate adsorption array containing an insulating dielectric layer, and adjusting the plate spacing to change the electric field intensity; generating a resistivity space distribution thermodynamic diagram based on the conductivity discrimination parameters, and cooperating with drive board spacing adjustment and voltage output according to the resistance gradient change of the insulation and conductive dust gathering area and the migration path; and a measurement point location screening strategy is updated in combination with the spacing adjustment amplitude and the voltage change rate, and the impedance spectrum precision is optimized. Precise identification of insulation and conductivity multi-mode dust and dynamic electric field self-adaptive adsorption are achieved, the dust removal efficiency of a complex environment is improved, and energy consumption is reduced.

The invention relates to the technical field of coal mine roadway tunneling and supporting, in particular to a tunneling and anchoring all-in-one machine suitable for complex geological roadways, which comprises a walking body part, a loading part, a conveying part, a cutting part, a drilling and anchoring platform and a dust removal and temporary supporting system, a rear support deviation adjusting system is arranged at the tail part of the walking body part; the cutting part is used for tunneling, the loading part is used for collecting coal cinder, and the transporting part is used for receiving and transporting coal cinder; the anchor drilling platform comprises a top anchor supporting unit and a side anchor supporting unit; the dust removal and temporary supporting system comprises a supporting frame body, a supporting top plate is arranged on the supporting frame body in a sliding mode, and a telescopic supporting top rod is arranged between the supporting frame body and the walking body part. The invention further provides an anchor protection method suitable for the complex geological roadway, and the problems that in the current weak surrounding rock coal roadway tunneling three-soft stratum, wall caving is prone to occurring, roof caving is prone to occurring, wall breaking is prone to occurring, anchor rod supporting of a low roadway is difficult, and bottom plate argillization equipment is prone to tail swinging are solved.

The invention discloses a wall polishing device for placement house building construction, and belongs to the field of wall polishing devices.The wall polishing device comprises a base used for supporting the whole equipment, a lifting module, a polishing module and a dust removal module, and a moving assembly used for moving the equipment is arranged at the bottom of the base; the top of the base is connected with the grinding module through the lifting module, the grinding module comprises a sand disc used for grinding a wall, the lifting module is used for adjusting the height of the sand disc, and the dust removal mechanism is used for removing dust generated by grinding the wall. The wall polishing device has the effect of achieving efficient, accurate and low-dust wall polishing operation.

The invention discloses a portable outdoor energy storage power box, and belongs to the technical field of energy storage equipment, the portable outdoor energy storage power box comprises a protection box body, the bottom end of the protection box body is provided with a bearing seat, the protection box body is internally provided with a connection box body, and the two sides of the connection box body are both provided with transverse limiting mechanisms; sockets are arranged at the positions, below the transverse limiting mechanisms, of the two sides of the connecting box body, a first longitudinal limiting mechanism is arranged at the top end of the connecting box body, and a shielding cover is arranged at the top end of the first longitudinal limiting mechanism. The piston sliding plate moves to drive gas in the protection box body, the gas is blown out through the flow guide pipe and the flow guide block, and the gas outlet directly faces the socket, so that the socket is cooled and dedusted, and the service life of the socket is prolonged; a first longitudinal limiting mechanism is convenient for a user to unfold a shielding cover through a third reset spring when the user pulls out the connecting box body so as to avoid the situation that the temperature of the connecting box body is too high to generate hidden dangers due to the fact that the connecting box body is directly irradiated by sunlight.

The utility model belongs to the technical field of desulfurization and dust removal, and particularly relates to multi-angle desulfurization and dust removal equipment which comprises a desulfurization tower body, one side of the desulfurizing tower body is communicated with a smoke inlet, the top of the desulfurizing tower body is communicated with a smoke outlet, the outer side of the smoke outlet is fixedly connected with a drying ring, the middle part of the desulfurizing tower body is fixedly connected with a desulfurizing agent layer, the top of the desulfurizing agent layer is provided with a limestone layer, and the limestone layer is fixedly connected with the desulfurizing tower body. The two sides of the smoke outlet are provided with water inlet pipes, the water inlet pipes are fixedly connected with the desulfurization tower body, the bottoms of the water inlet pipes are communicated with a spraying plate, one side of the spraying plate is fixedly connected with a rope, and one end of the rope is fixedly connected with the desulfurization tower body; the two spraying plates are arranged to spray flue gas, and the spraying plates are adjusted to be in an inclined state through the rope, so that the spraying plates spray the flue gas from different angles, the flue gas is fully combined with spraying liquid, and the effect of comprehensive desulfurization and dust removal is achieved.

The invention relates to a steelmaking multi-process dust removal coordinated control system in a big data environment, and the system comprises a data collection module which is used for collecting the dust removal data of a converter smelting process, a converter tapping process, a steel ladle transportation sedation process, a steel ladle refining process and a molten steel casting process in real time; the big data platform is used for constructing a CDH multi-server cluster, processing second-level real-time process data by adopting Flink, performing real-time data processing and operational analysis, and storing dust removal related data through HBase; the dust removal valve state monitoring module is used for monitoring the state of each dust removal valve; the automatic reminding and adjusting module is used for automatically recognizing abnormal or non-optimal configuration of the valve state based on big data analysis and optimizing the dust removal process by reminding or automatically adjusting the valve state; the energy-saving analysis model is used for calculating energy consumption under different configurations; and the intelligent control system integrates an intelligent control algorithm, automatically adjusts the state of the valve according to the result of the energy-saving analysis model, and realizes intelligent control of the dust removal process.

The present invention provides a dust removal device for concrete processing, comprising a device main body and a dust removal mechanism, wherein an inner cavity is opened inside the device main body, a dust removal mechanism is arranged inside the device main body, a striking mechanism is arranged inside the device main body, and a dust reduction mechanism is arranged inside the device main body, and the dust removal mechanism can effectively intercept and filter the dust inside the concrete equipment, and further absorb and process the filtered air, thereby preventing the leakage of toxic gases, thereby protecting the health of workers, and improving the long-term and stable use of the dust removal plate through the striking mechanism, so that workers do not need to frequently clean the dust removal plate, reducing labor maintenance costs and workload, ensuring the continuous and efficient operation of the dust removal mechanism, and ensuring that the entire dust removal device functions stably, and the dust reduction mechanism can collect and settle the dust outside the concrete processing equipment, thereby realizing synchronous purification of internal and external dust, significantly improving the overall dust removal efficiency, and reducing environmental pollution.

The invention discloses a raw coal drying dust removal system with a waste heat recovery function and a raw coal drying method. The raw coal drying dust removal system comprises a crushing assembly, an electric auxiliary heating rotary kiln, a cooling section rotary kiln, a gas-solid separator, a tail gas treatment dust removal assembly, a waste heat recovery heat exchanger and a heat pump system. The crushing assembly, the electric auxiliary heating rotary kiln and the cooling section rotary kiln are communicated in sequence; a first gas outlet of the electric auxiliary heating rotary kiln is communicated with the gas-solid separator; the gas-solid separator is communicated with the waste heat recovery heat exchanger through the tail gas treatment dust removal assembly; the heat pump system is connected with the cooling section rotary kiln and the waste heat recovery heat exchanger, and an air outlet of the heat pump system is communicated with an air inlet of the electric auxiliary heating rotary kiln. By means of the waste heat recovery heat exchanger and the heat pump system, originally discharged waste heat is recycled, energy consumption of electric auxiliary heating is reduced, and recovery and temperature rise of tail gas heat are achieved.

The invention discloses an environment-friendly dust removal device for building decoration, and belongs to the technical field of dust removal devices. Rollers are arranged at the bottom of the base; a water tank is fixedly installed at the upper end of the base, and a water pump is arranged in the water tank. According to the invention, full-automatic multi-angle adjustment of spraying and dust collection operation is realized. The device has the core beneficial effects that only one motor is used for synchronously driving the horizontal swinging mechanism and the pitching swinging mechanism, so that the operation coverage is expanded; according to pitching swing, rotating motion is converted into linear motion through a ratchet wheel-belt-reciprocating lead screw mechanism, and then the operation head is pushed to swing through a connecting rod. By means of the design, the dust removal range is greatly expanded, dead angles are avoided, the structure is compact, energy consumption is low, control synchronism is good, it is guaranteed that the dust removal device can efficiently and automatically deal with dust at different heights and positions in the building decoration space, and practicability is high.

The invention is applicable to the technical field of coal mining, and provides a dedusting and filtering device for coal mine ventilation, which comprises a dedusting box body arranged on one side of a fan for coal mine ventilation, and the inside of the dedusting box body is divided into a filtering cavity and a purifying cavity by a first partition plate; the air flow guide and primary dust removal assembly comprises a spiral flow guide shaft, an annular spray pipe and a spray head, and the spiral flow guide shaft is rotationally installed in the air inlet pipe through a bearing. The dedusting and filtering device for coal mine ventilation provided by the scheme realizes multi-stage purification of dust-containing airflow, reduces the influence of dust on equipment and personnel, has the characteristics of temperature control, water saving and the like, meets the actual requirements of coal mine ventilation and dedusting, and solves the problem that in the operation process of a current coal mine ventilation system, dust cannot be removed easily. And a large number of dust particles are always carried in the pumped air flow to influence the health of people.

The utility model relates to the technical field of waste heat recycling, and particularly discloses a waste heat recycling device of a sintering circular cooler, which comprises a dust removal structure and a heat exchange structure connected with the dust removal structure, and the dust removal structure comprises a primary cyclone dust removal assembly and a secondary cyclone dust removal assembly communicated with the top of the primary cyclone dust removal assembly. An air blowing assembly is arranged at the top of the secondary cyclone dust removal assembly; the heat exchange structure comprises a supporting frame, a first heat exchange tank and a second heat exchange tank, wherein the first heat exchange tank and the second heat exchange tank are horizontally installed on the supporting frame. Heat exchange pipe sets are arranged in the first heat exchange tank and the second heat exchange tank. The sintering circular cooler waste heat recovery device achieves efficient dust removal and waste heat recovery of high-temperature waste gas, has the advantages of being simple in structure, convenient to maintain, high in heat exchange efficiency and the like, and is suitable for the field of sintering circular cooler waste heat recovery in steel smelting and other industries.

The invention discloses a dust removal pipeline capable of automatically cleaning accumulated dust and preventing blockage, and relates to the technical field of pipeline dust removal. Comprising a pipeline body, an air outlet is formed in one end of the pipeline body, a plurality of filter assemblies are fixedly installed on the inner wall of the pipeline body, each filter assembly comprises a plurality of filter screens arranged in the axial direction of the pipeline body, and conveying and cleaning assemblies for cleaning dust on the surfaces of the filter screens are arranged on the inner walls of the filter screens. By arranging the conveying and cleaning assembly, the filter screen in the pipeline body is cleaned, the situation that the filter screen is blocked and influences the flow speed of gas is prevented, the conical filter screen is matched with the Venturi tube, the flow guide plate, the check ring and other structures, the flow speed of the gas in the pipeline is increased, and the movement process of a cleaning brush during rotating and cleaning of the filter screen is reduced; airflow entering the pipeline main body is disturbed, and the problem that transmission resistance is increased due to disorder of a gas flow field is avoided.

The invention relates to the technical field of purification equipment, and discloses thermal power generation dedusting purification equipment which comprises a base, a shell is fixedly connected to the top of the base, a dust suction pipe fixedly communicates with the top of the shell, a suction fan is fixedly connected to the left side of the dust suction pipe, and a collection box is fixedly connected to the left side of the shell. According to the device, cigarette ash accumulated on the surface of the filter plate can be pushed into the collecting box, the good air permeability and filtering performance of the filter plate can be maintained, it is ensured that the device stably removes dust in smoke, and the device is convenient to use. The discharged gas reaches the environmental protection standard, the situation that the filtering effect of the filtering plate is reduced due to the fact that the cigarette ash is continuously accumulated on the surface of the filtering plate and gradually blocks pores of the filtering plate is avoided, centralized treatment of the cigarette ash is facilitated, and secondary pollution caused by scattering of the cigarette ash around equipment is avoided.

The invention relates to the technical field of coal mine underground water curtain dust removal, in particular to a coal mine underground water curtain dust removal device based on dust concentration detection. Comprising a moving frame, a first fixing frame, a dust concentration sensor, a second fixing frame, a fan frame, flow guide blades, nozzles, a connecting hose, a water tank, a water pump, a controller, a first control assembly, a second control assembly, a flow guide assembly and a regulation and control assembly. The sensor swings to scan space dust concentration, identifies a dust source core area, and adjusts the nozzle angle and the flow guide blade rotating speed in a linkage manner to form a directional water mist curtain wall, new dust cloud is sensed and responded at the first time through active scanning detection, and dust is prevented from escaping through airflow. Tracking type scanning and spraying dust removal are carried out on dust cloud appearing in a certain range through continuous monitoring and scanning, and active tracking type efficient water mist dust removal treatment on dust is achieved.

The invention discloses an integrated dust removal mechanism capable of being opened and closed for a frequency conversion cabinet, and belongs to the field of frequency conversion cabinets. Comprising a frequency conversion cabinet body which is provided with symmetrical L-shaped sliding guide parts, the horizontal ends of the L-shaped sliding guide parts are provided with groove plates, the vertical ends of the L-shaped sliding guide parts are provided with guide rails, and a first frequency conversion cabinet door and a second frequency conversion cabinet door are slidably installed between the two sets of sliding guide parts; the assembling component is mounted on the side surface of the guide sliding part through a connecting plate; the dust removal assemblies are symmetrically arranged on the two sides of the frequency conversion cabinet body, each dust removal assembly comprises an L-shaped supporting plate installed on the side face of the frequency conversion cabinet body, multiple sets of small fans are installed on the supporting plate in an embedded mode, through holes matched with the small fans in diameter are formed in the two sides of the frequency conversion cabinet body, dustproof filter screens are arranged on the small fans, and cleaning brushes are arranged on one sides of the dustproof filter screens. According to the integrated dust removal mechanism capable of being opened and closed for the frequency conversion cabinet, when the cabinet door is opened for maintenance, the dustproof filter screen is synchronously cleaned, the tedious operation of manual regular cleaning is avoided, and the maintenance cost is reduced.

The invention discloses an automatic pneumatic conveying and pressure regulating and controlling method for coking fly ash, and relates to the field of coking fly ash treatment. The mode that a plurality of conveying tanks work alternately is adopted, it is guaranteed that one tank is in a preparation or pressurized state at any time, the other tank conducts conveying operation, and therefore the continuity and stability of the system are guaranteed. And secondly, by calculating the conveying amount of coking fly ash per hour and setting the tank pressure target value corresponding to each conveying tank based on the conveying amount, the whole conveying process can adapt to changes of production requirements, and stable pressure control can be kept. Moreover, nitrogen is used as a fluidizing medium, so that the problem of material blockage is effectively avoided, and the conveying efficiency and safety are improved. In addition, assemblies such as a powder adjusting valve and a pneumatic adjusting valve are arranged, the opening degree of the valves is dynamically adjusted according to the real-time conveying speed, and accurate control over the flow and stable maintenance of pressure in the conveying process are guaranteed.

The invention provides a dust removal device and a dust removal system, and relates to the technical field of tobacco equipment, and the dust removal device comprises a shell, an air inlet pipeline, an air outlet pipeline and a material blocking assembly. A blanking hopper is arranged in the shell, the output end of the air inlet pipeline is located above the blanking hopper, the air outlet pipeline is communicated with the end, away from the air inlet pipeline, of the shell, the input end of the air outlet pipeline is located above the output end of the air inlet pipeline, and the first material blocking part is arranged between the output end of the air inlet pipeline and the input end of the air outlet pipeline in a blocking mode. The first material blocking part and the second material blocking part are arranged at an angle, a gap is formed between the first material blocking part and the second material blocking part, and the gap is located on the side, away from the output end of the air inlet pipeline, of the first material blocking part. According to the dust removal device, the situation that dust or smoke dust entering the shell is directly sucked into the air outlet pipeline is avoided, an airflow path enters the air inlet pipeline through the gap position, the purpose of guiding airflow containing dust is achieved, and then the safety of the dust removal device is improved.

The invention discloses a gas concentration-oxidation-heat regeneration system and method, and relates to the technical field of coal mine energy conservation and emission reduction, the gas concentration-oxidation-heat regeneration system comprises a chemical adsorption device which is communicated with low-concentration gas and is used for adsorbing and dedusting the low-concentration gas, and a physical adsorption device which is communicated with the chemical adsorption device and is used for adsorbing and dehumidifying the low-concentration gas, the chemical adsorption device and the physical adsorption device are communicated with the oxidation device through the chemical desorption device and the physical desorption device respectively, the oxidation device is communicated with the waste heat utilization device, and low-concentration gas is subjected to dust removal treatment while methane adsorption is completed through the chemical adsorption device; the physical adsorption device is used for completing methane adsorption and dehumidifying low-concentration gas at the same time, and desorbing is completed and concentrated methane after desorption is subjected to oxidation and waste heat utilization at the same time, so that dust removal, dehumidification, concentration, oxidation and waste heat utilization of the device form a whole, the structure of the device is simplified, and the low-concentration gas is fully utilized.

The invention provides a flue gas dust removal and denitration process, and belongs to the technical field of flue gas treatment.The denitration process comprises the following steps that flue gas to be treated is introduced into a pretreatment zone, large-particle dust and part of acid gas in the flue gas are removed, the treated flue gas is introduced into a catalytic reaction zone, and under the action of a corrugated plate catalyst, the flue gas is subjected to denitration treatment; spraying a reducing agent into the flue gas; introducing the flue gas subjected to the catalytic reaction into a deep purification area, and adsorbing and purifying residual fine dust by adopting an adsorbent; and then the treated flue gas reaching the standard is discharged. Through process integration and material innovation, the problems of low dust removal and denitration efficiency, easy catalyst deactivation, high operation cost and the like in the traditional technology are solved, and the method has the advantages of high purification efficiency, low energy consumption, wide application range and the like.

The invention discloses uniform-distribution movable concrete pipe production grouting equipment which comprises a conveying box, stirring rods are rotationally arranged on the front side and the rear side of an inner cavity of the conveying box through driving mechanisms correspondingly, spiral blades are fixedly connected to the surfaces of the stirring rods, and a plurality of stirring blades are fixedly connected to the surfaces of the stirring rods; a feeding port is formed in one end of the top of the conveying box, and the other end of the bottom of the conveying box vertically communicates with a discharging pipe. According to the movable concrete pipe production grouting equipment with the uniform material distribution function, through guiding communication of the transverse pipe, collected dust can be conveyed into an inner cavity of a dust removal cloth bag, then the dust is collected in a centralized mode, airflow is discharged through an exhaust window, the dust is collected, and the device is more environmentally friendly; and the body protection of workers around the device is improved.

The invention discloses environment-friendly dust removal equipment for building engineering construction, and relates to the technical field of environment-friendly engineering, the environment-friendly dust removal equipment comprises a mounting plate, a control module and a positioning module are arranged on the upper side of the mounting plate, and electric wheels are arranged on the lower side of the mounting plate. The device can be controlled to stably move along a preset path to execute spraying operation under the working condition that the wind speed is low, and the uniformity of area coverage is improved. The meteorological information processing unit is provided with a wind speed and wind direction acquisition module, an angle turning mechanism, an adjusting mechanism and a control module; the device can obtain wind speed and wind direction data in real time in windy weather, the spraying angle and the spraying height of the rotating pipe and the spraying pressure of the water pump are adjusted in combination with a preset algorithm, and the device has the advantages of being high in practicability and improving the spraying dust suppression efficiency of a construction site.

The present invention discloses a dust removal device for building decoration construction. The device includes a bracket for fixing various components, an adsorption component and a classification component are provided on the bracket, a mounting barrel, a wind impeller, and two air-displacing wheels are provided in the adsorption component, and the air laden with dust is extracted by the rotation of the wind impeller and the two air-displacing wheels. The upper end of the adsorption component is provided with a classification component for classifying and recovering dust by centrifugal force, and the classification component is provided with a classification barrel. When the dust-laden air passes through the classification barrel, dust particles of different sizes are classified, and then the dust particles of different sizes are collected, and the air after dust filtration is discharged. The present invention can process dust caused by different materials during building decoration construction, and can classify dust of different sizes, overcome the influence of dust on traditional building decoration construction sites, effectively reduce the dust generated during the decoration construction process, avoid dust pollution on the construction site, ensure the safety of personnel and equipment, and improve the efficiency and quality of decoration construction operations.