9640results about "Using liquid separation agent" patented technology

The invention relates to the technical field of unmanned aerial vehicle dynamic dust suppression intelligent decision making based on multi-sensor data fusion, in particular to a loess photovoltaic construction dust suppression unmanned aerial vehicle spraying dynamic regulation and control device and method, and the method comprises the steps: building a dynamically updated four-dimensional concentration field through a sensor cooperation unit in combination with a turbulence diffusion model of a dust field reconstruction engine; and the strategy knowledge base is optimized to shorten the flight path planning decision-making period from the minute level of the existing offline planning to the second level response. And the anti-interference execution unit realizes accurate spray trajectory tracking under a complex wind field condition. And a real-time evaluation closed loop of the dust suppression effect is constructed by a dual-spectrum imaging and deep learning analysis technology of the efficiency feedback unit, so that a dust field model can dynamically correct boundary condition parameters. The response lag time of an existing dust suppression system is shortened, meanwhile, the spray coverage rate is increased, energy consumption is reduced on the premise that the dust suppression effect is guaranteed, and an intelligent solution is provided for photovoltaic construction flying dust treatment.

A pair of waveform disks for use in a disk-pack turbine used, for example, in systems and methods in at least one embodiment for separating fluids including liquids and gases into subcomponents by passing the fluid into an expansion chamber and then through at least a portion of a waveform pattern present between at least two disks. The disks having waveform patterns on at least one side.

A disk-pack turbine for use, for example, in systems and methods in at least one embodiment for separating fluids including liquids and gases into subcomponents by passing the fluid through a fluid intake chamber into an expansion chamber and then through at least a portion of a waveform pattern present between at least two rotors and / or disks. The rotors and / or disks having waveform patterns on at least one side.

The invention relates to the technical field of dust fall spraying, in particular to an integrated intelligent sensing dust fall spraying control method, system and equipment and a medium. The method comprises the following steps: firstly, acquiring spraying control parameters according to environment monitoring information, and formulating a subarea spraying strategy in combination with construction area distribution information; then evaluating the dust falling effect through real-time monitoring data, and automatically triggering an optimization instruction when the effect does not reach the standard; and finally, intelligent adjustment is performed based on field environment change and construction condition information. Not only is precise control of dust fall realized, but also the adaptability of the system is improved through continuous optimization, and the dust fall effect and resource control are balanced.

The invention relates to the technical field of spray towers, and discloses a spray tower for a tail gas treatment system, the spray tower comprises a tower body, a circulating water tank is fixedly arranged at the bottom of the tower body, a gas inlet end is fixedly arranged on the lower side wall of the tower body, a plurality of layers of pore plates are fixedly arranged in the tower body, and a filler layer is fixedly arranged above the pore plates. An air outlet end is fixedly arranged at the top end of the tower body, a filtering assembly is fixedly arranged in the circulating water tank and comprises an air inlet pipe, the top end of the air inlet pipe is fixedly connected with the top end of the tower body, and the bottom end of the air inlet pipe penetrates through the circulating water tank and is fixedly connected with a first cylinder; and a barrel II is slidably connected to the interior of the barrel I. Impurities in washing liquid are filtered through the filter screen, the cyclic utilization effect is achieved, the filter screen is backwashed through pushing force generated when filtered gas in the tower body flows, the impurities are carried and discharged through the blow-off pipe, and the automatic cleaning effect is achieved.

The invention relates to the technical field of deodorization control, in particular to an air dust suppression, haze reduction and deodorization control system and method based on the Internet of Things. The method comprises the following steps: acquiring three-dimensional point cloud data and point cloud echo signals of a target area; analyzing the abnormal weakening trend of the echo intensity of the point cloud echo signal to calculate the dust concentration of the air in the target area; calibrating the dust concentration by using the three-dimensional point cloud data to obtain dust concentration three-dimensional gradient distribution data; acquiring a wind speed vector of the target area; constructing an air vortex field model based on the wind speed vector; performing dust migration path prediction on the dust concentration three-dimensional gradient distribution data by using an air vortex field model to generate dust migration path prediction data; and determining mobile positioning data of the fog gun based on the dust concentration three-dimensional gradient distribution data. According to the method, refined and dynamic air dust suppression, haze reduction and deodorization control is realized through point cloud modeling, air vortex field prediction and intelligent spraying optimization.

The utility model relates to the field of magnesia processing, and discloses a dedusting device for magnesia processing, which comprises a support seat, the top end of the support seat is fixedly connected with a dedusting frame, the right end of the dedusting frame is provided with a dust suction mechanism, and the inner wall of the dedusting frame is inserted with a filter frame. A wedge block is elastically connected to the inner wall of the bottom end of the dust removal frame through a reset spring, an elastic telescopic rod is fixedly connected to the side wall of the inner side of the dust removal frame, a shielding plate is slidably connected to the outer wall of the dust removal frame, an insertion block is slidably connected to the inner wall of the shielding plate, and a controller is arranged at the top end of the dust removal frame. According to the dust removal device, the new filter frame is inserted into the dust removal frame, the new filter frame extrudes and moves the wedge block, the wedge block is separated from the old filter frame, the old filter frame is pushed out by utilizing the elastic force of the elastic telescopic rod, the filter frame does not need to be replaced after shutdown, the dust removal device is simple and convenient in actual operation, and the dust removal effect is improved to a certain extent.

A construction dust removal device includes a movable base, on which a dust suction mechanism and a spray mechanism are provided; the dust suction mechanism includes a dust removal head, a dust suction pipe group and a dust removal box which are connected in sequence, the angle of the dust removal head is adjustable, the dust removal box has an air inlet, the air inlet is connected to one end of the dust suction pipe group for air intake, a plurality of first dust removal nozzles located above the air inlet are provided in the dust removal box, and the nozzles of the first dust removal nozzles are arranged downward; the spray mechanism includes a water tank and a plurality of second dust removal nozzles, and the plurality of second dust removal nozzles are connected to the water tank through a pipe with a valve. The dust suction mechanism and the spray mechanism of the utility model can select a suitable dust removal method according to the size of the dust range of the construction phenomenon, and there is no need to equip a variety of dust removal equipment, which reduces the occupied space. For a construction environment with a large range of dust, it is necessary to start the spray mechanism for dust removal, and for a small range of dust environment, dust is removed by the dust suction mechanism.

The invention provides automatic dust suppressant spraying equipment for building interior construction, and belongs to the field of environmental protection treatment. Comprising a fixing plate, a connecting plate is arranged at the front end of the fixing plate, a round block is arranged at the front end of the connecting plate, a spray head is fixedly connected to the front end of the round block, a hose is fixedly connected to the outer surface of the round block, and a position reciprocating assembly used for reciprocating the position of the spray head is arranged on the fixing plate. The position reciprocating assembly enables the nozzle to perform left-right reciprocating motion for spraying, the angle reciprocating assembly is synchronously started to perform up-down reciprocating motion on the angle of the nozzle, so that the dust suppressant can cover a higher area and a lower area, and the position reciprocating assembly is matched to realize omnibearing coverage of a target area; the dust suppressant can be evenly sprayed to all corners, the wind power is monitored through the monitoring assembly, the device can conveniently carry out dust falling treatment on dust in the air in time, and therefore the dust suppression effect is improved.

The invention discloses a waste gas washing spray tower with an anti-corrosion structure, and relates to the technical field of waste gas treatment.The waste gas washing spray tower comprises a tower body, a liquid storage tank formed in the tower body, a gas inlet pipe installed on the side wall of one side of the tower body and a gas outlet pipe installed at the top of the tower body; spraying assemblies are mounted in the tower body above the two filler purification assemblies, a demister is mounted on the inner wall of the tower body below the gas outlet pipe, and an anti-corrosion lining is laid on the inner wall of the tower body. By arranging the filler purification assembly, the effect that blocked filler can be automatically discharged from the rectangular grid during cleaning is achieved, manual scraping is not needed, the labor burden of workers is reduced, and the speed of taking the filler out of the spray tower is increased; and by arranging the traction mechanism, the effect that the traction rope pulls and drives the two filler purification assemblies to synchronously turn over is achieved, and simultaneous discharging of filler in the two filler purification assemblies is facilitated.

A disk-pack turbine for use, for example, in systems and methods in at least one embodiment for separating fluids including liquids and gases into subcomponents by passing the fluid through a vortex chamber into an expansion chamber and then through at least a portion of a waveform pattern present between at least two rotors and / or disks. The rotors and / or disks having waveform patterns on at least one side. In at least one embodiment, the waveform patterns include a plurality of hyperbolic waveforms travelling around an axial center of the disk with each hyperbolic waveform having a varying diameter along the waveform.

The invention discloses a mobile intelligent control spraying and dust-settling system, and particularly relates to the technical field of compensation or utilization of an external environment of a spraying and dust-settling spraying vehicle under a wind field disturbance condition, which comprises a plurality of wind speed and wind direction sensing nodes mounted on a lifting rod in the advancing process of the spraying and dust-settling spraying vehicle, acquiring a plurality of local wind field parameters in different heights and directions, and constructing a wind speed gradient data set based on the local wind field parameters; and performing normalization and disturbance feature extraction processing on the wind speed gradient data set to generate a wind disturbance time sequence and a spatial disturbance distribution map. By constructing a time-space coupling control mechanism fusing wind disturbance feature extraction, trend prediction and path calibration, advanced sensing of non-steady-state wind field disturbance and dynamic correction of spray response parameters are achieved, and therefore the problems of sensing-control coupling lag and spray offset errors are solved.

The invention discloses a BIM-based bridge high pier construction safety monitoring method and system, and relates to the technical field of BIM, a dust concentration prediction vector P is calculated through an environment feature set T, high-precision prediction of dust diffusion concentration is realized, and the dust distribution condition of a construction site is more prospective. Then, according to the scheme, the dust fall parameter set D is formulated in combination with the dynamic change of the dust concentration, the dynamic dust fall strategy is executed, the spraying scheme can be adjusted according to the real-time environment, the dust fall efficiency is effectively improved, and the problems of water resource waste and uneven coverage existing in a traditional spraying mode are solved. Besides, through a feedback mechanism of a dust concentration error D, an environment safety index ZS is calculated and compared with a preset construction area trigger threshold ST, iterative optimization of a dust fall parameter set D is achieved, it is ensured that the construction environment is always in a controllable range, and potential safety hazards caused by excessive dust are avoided.

The present invention discloses a fully automatic high-pressure spraying device and its application in dust control in mines, and relates to the technical field of spraying equipment, including a main machine, a vertical pole, and a water mist spray gun arranged on the top of the vertical pole, wherein the water mist spray gun is connected to a water supply device located in the main machine, and the top of the vertical pole is connected to a reciprocating swing component, and the top of the reciprocating swing component is connected to a support frame, and the top of the support frame is connected to a rotating head, and the water mist spray gun is fixedly connected to the rotating head, and the outside of the rotating head is provided with a first jet frame and a second jet frame. The fully automatic high-pressure spraying device of the present invention and its application in dust control in mines, the ejected airflow can increase the speed of the water mist, thereby increasing the coverage of the water mist, and at the same time, the airflow can be ejected according to the direction of the incoming wind, and the ejected airflow forms a barrier to reduce the influence of the external wind force on the water mist, thereby improving the wind resistance of the water mist.

The utility model discloses a building construction dust fall spraying device which comprises a vehicle frame and a fan, the fan is arranged on the right upper side of the vehicle frame, a water tank is arranged in the vehicle frame, a plurality of nozzles are arranged on the inner wall of an air outlet in the right side of the fan at equal intervals, and the nozzles spray water to fall dust. An arc-shaped collecting groove is formed in the right lower side of the fan, the arc-shaped collecting groove is fixedly connected with the fan through a plurality of fixing rods, the arc-shaped collecting groove is used for collecting large water drops dripping from the nozzle, and the lower end of the arc-shaped collecting groove is fixedly connected with the upper side of the right end of the water tank through a telescopic hose; the telescopic hose is used for conveying water in the arc-shaped collecting groove into the water tank, water drops which cannot be blown away by the large-particle fan and drop downwards are collected through the arc-shaped collecting groove and conveyed into the water tank through the telescopic hose to be reused, and waste of water resources can be reduced by recycling water dropping from an air outlet of the fan. The water resource utilization rate is improved.

The invention discloses a dust treatment device for emery production, and relates to the technical field of emery production, the dust treatment device comprises a dust absorption mechanism and a dust absorption pipe mounted on one side of the dust absorption mechanism, a dust treatment mechanism is arranged on one side of the dust absorption mechanism, and a filter box is arranged on one side of the dust treatment mechanism; the dust absorbing mechanism comprises a dust absorbing sleeve, a first rotating shaft is arranged in the center of the interior of the dust absorbing sleeve, a dispersing rotating disc is fixedly installed on one side of the first rotating shaft and rotationally connected with the dust absorbing sleeve, and a plurality of dispersing spiral plates are fixedly installed on the outer side of the first rotating shaft; due to the fact that a certain amount of water is contained in the anti-static spray, the preliminary dust falling effect can be achieved, meanwhile, the anti-static effect can be achieved, and the phenomenon that due to the fact that the concentration of sucked dust is too high, dust suction pipes are mostly made of metal materials, certain electrostatic sparks are generated and make contact with aluminum oxide dust, and then explosion is generated is avoided.

The invention discloses a building demolition dust intelligent suppression method and system, and relates to the field of building demolition dust suppression, and the method comprises the steps: obtaining the wind field data of a building demolition area and the spatial position information of a structure, and obtaining the arrangement parameters of each nozzle unit in a spraying system; constructing a wind barrier interference area model in the target area according to the spatial position information and the wind field data; calculating the spraying range of each nozzle unit according to the arrangement parameters; performing space superposition on the spraying range and the wind barrier interference area model, calculating a distribution prediction value of spraying particles generated by each nozzle unit in a three-dimensional space, and generating a space unit matrix of an operation area; traversing the space unit matrix to judge the particle distribution uniformity; maintaining or adjusting nozzle unit arrangement parameters according to a judgment result; dynamic reconfiguration of spraying resources in a multi-nozzle system is achieved, and the problem that the dust suppression efficiency is low due to coexistence of over-spraying and under-spraying is solved.

The invention relates to the technical field of tunnel ventilation and environmental protection, in particular to an efficient and energy-saving tunnel ventilation and dust removal integrated system. Data analysis and decision making; ventilation control; dust removal operation; and sewage treatment. The intelligent sensing module is installed in the tunnel, environment parameters of different positions can be accurately obtained in real time and transmitted to the central control system, the efficient and energy-saving draught fan is selected, the frequency conversion and speed regulation device is installed, energy consumption is reduced, and by arranging the air filtering device and the dust falling device, the dust falling efficiency is improved. The dust collection device and the dust blocking device arranged at the tunnel portal effectively control the air environment quality in the tunnel, sewage purification and cyclic utilization are achieved through sewage treatment, and the system is high in intelligent degree, can be flexibly adjusted according to the actual situation and is suitable for popularization and application. The problems that a traditional ventilation and dust removal mode is high in energy consumption, poor in effect, lack of intelligent control and the like are effectively solved, the health of constructors is guaranteed, and pollution to the surrounding environment is reduced.

The invention discloses a control process and equipment for processing waste gas treatment in the generic semiconductor industry, and relates to the technical field of semiconductor, panel, solar energy and LED waste gas treatment. The equipment comprises a gas inlet control unit, a plasma torch, a reaction cavity, a water tank and a washing tower which are sequentially connected, wherein the gas inlet control unit comprises a three-way valve to realize switching of a main machine and a standby machine; the water tank is provided with a heat exchange and monitoring part; the washing tower comprises a washing section, a turbulent flow section and a demisting section. The process comprises the steps of air inlet control, pyrolysis combustion, cooling and pre-dedusting, water washing, washing tower treatment and the like, and is combined with PID control of plasma power and CDA consumption, and logic control of drainage, flushing and the like. The problems of pipeline blockage and corrosion caused by high operation cost, short PM period and poor washing effect in the process of treating high-dust and high-corrosion process waste gas in the prior art are solved, and the method has the advantages of reducing the cost, prolonging the maintenance period, improving the treatment efficiency and the like.

The invention relates to a combined truncated cone type gas-liquid redistributor. The combined truncated cone type gas-liquid redistributor comprises a conical wall and a connecting bottom plate. Theconnecting bottom plate is fixedly arranged at the bottom of the conical wall, and is provided with a plurality of strip-shaped folding plates; the strip-shaped folding plates are of inverted-V structures; a plurality of air holes are formed at equal intervals in both sides of each strip-shaped folding plate; a stop plate is fixedly arranged on the lateral side of the strip-shaped folding plate above each air hole, and an angle is formed between each stop plate and the lateral side of the corresponding strip-shaped folding plate; the angles between the stop plates and the lateral sides of thestrip-shaped folding plates are proportional to the distances from the stop plates to the center of the connecting bottom plate. The combined truncated cone type gas-liquid redistributor has the advantages that the strip-shaped folding plates and the stop plates are adopted to achieve a good distribution effect of washing liquid, and accordingly, the area and time of contact between gases and liquid can be increased and prolonged; the included angles between the stop plates and the lateral sides of the strip-shaped folding plates are proportional to the distances from the stop plates to the center of the connecting bottom plate, so that the differences among the flowing speeds of gases from each air hole are small, the gas distribution effect is good, poor gas-liquid distribution in a packing tower is reduced, and the gas-liquid mass transfer efficiency is improved.

The invention belongs to the field of rock-soil drilling equipment, and discloses a highway construction rock drilling sampling device which comprises a rack, a sampling device and a sampling device, the drill rod assembly is arranged on the rack and comprises an inner shaft rod and an outer sleeve rod, and the inner shaft rod is rotationally sleeved with the outer sleeve rod; the first driving mechanism at least drives the outer sleeve rod to rotate; and the drill bit assembly is connected with the drill rod assembly. Through the drill rod assembly and the drill bit assembly, a sampling component and a drilling component of the drill bit assembly are matched with a limiting tooth part through a movable ratchet assembly, state switching of the sampling component and the drilling component can be achieved, and when the drilling component is reversely screwed out after drilling, a movable tightening piece can be driven to move by rotating relative to the sampling component; and the movable tightening part of the sampling component can tighten and clamp the sample, so that the friction force in the sampling process can be increased, the sample is not easy to fall off, the structure is simpler, and the operation is easy.

A disk-pack turbine for use, for example, in systems and methods in at least one embodiment for separating fluids including liquids and gases into subcomponents by passing the fluid through a vortex chamber into an expansion chamber and then through at least a portion of a waveform pattern present between at least two rotors and / or disks. The rotors and / or disks having waveform patterns on at least one side. In at least one embodiment, the waveform patterns include a plurality of hyperbolic waveforms axially aligned around a horizontal center of the system.

The invention relates to the technical field of intelligent environmental protection, in particular to an unmanned aerial vehicle urban atmospheric pollution monitoring and preventing system based on radar and AI cooperation, which comprises a laser radar scanning module, an edge computing gateway, a cloud server, a small unmanned aerial vehicle inspection module, an unmanned aerial vehicle spraying module and a fog gun vehicle module, the laser radar scanning module scans and generates point cloud data in real time, and pollution information is obtained by combining positioning and aerosol inversion; the edge computing gateway uses a DBSCAN clustering algorithm and an improved YOLOv8 model to determine pollution hot spot coordinates, grades and pollution source types; the cloud server dynamically dispatches all the modules in sequence, an improved ant colony algorithm is adopted to plan a route, and real-time obstacle avoidance and accurate spraying are achieved; the small unmanned aerial vehicle inspection module obtains an image of a polluted area, the unmanned aerial vehicle spraying module carries out precise spraying treatment, and the fog gun vehicle module carries out dust suppressant spraying on a dust raising source. The defects of a traditional atmospheric pollution monitoring and treatment means are overcome, and accurate monitoring and efficient treatment are achieved.

The invention relates to the technical field of waste gas treatment, in particular to a spray tower for waste gas treatment. Comprising a spray tower, a filter plate, a pipeline and spray headers, the filter plate is mounted in the spray tower, the pipeline is arranged on the spray tower, the spray headers are mounted on the pipeline at intervals, the spray headers are located on the inner side of the spray tower, material holes are formed in the spray tower, a rotating mechanism is arranged on the filter plate, and connecting plates are arranged on the rotating mechanism at intervals. The rotating mechanism is used for driving the connecting plate to rotate, a movable plate is arranged on the connecting plate in a sliding mode, a rubber plate is connected to the movable plate, and a pulling mechanism and a reset mechanism are arranged on the connecting plate. By integrating the rotating mechanism, the connecting plate, the movable plate, the rubber plate, the pulling mechanism, the reset mechanism and other assemblies, filling materials in the spray tower can be automatically fed and discharged, automatic replacement of a filling layer in the spray tower is achieved, the replacement efficiency is improved, the requirement for manual intervention is reduced, and the labor intensity of workers is reduced. And the downtime and the labor cost are reduced.

The invention relates to the technical field of construction site dust fall, in particular to a BIM cooperative construction site dust fall spraying device dynamic optimization and construction application system which comprises an environment sensing module, a spraying decision module, an execution regulation and control module and an abnormal response module. The system collects environment parameters through a sensor network to generate a dynamic environment portrait, optimizes a spraying coverage scheme in combination with a BIM model, monitors and adjusts the spraying effect in real time through a closed-loop regulation and control mechanism, and detects abnormal accumulation points to generate a strengthening instruction. According to the invention, precision, dynamic and energy-saving dust fall of the construction site can be realized, the construction environment quality is improved, and the resource consumption is reduced.

The invention relates to the technical field of spray towers, and provides a spray washing device for chemical waste gas purification, the spray washing device comprises a tower body, a spray bin, a waste gas uniform distribution mechanism, a filler bin and a stirring mechanism, the tower body is cylindrical, the bottom of the tower body is provided with a gas supply bin, the spray bin is arranged on the tower body, the spray bin is arranged above the gas supply bin, and the stirring mechanism is arranged above the gas supply bin. The waste gas uniform distribution mechanism is fixedly connected with the tower body, the waste gas uniform distribution mechanism is arranged in the gas supply bin and the spraying bin, the waste gas uniform distribution mechanism is used for enabling waste gas to uniformly rise in the spraying bin, the multiple filler bins are arranged above the spraying bin, the filler bins are filled with filler, each filler bin is internally provided with one stirring mechanism, and the stirring mechanisms are used for stirring the waste gas uniformly in the spraying bin. By means of the technical scheme, the problem that in the prior art, an existing spraying washing device is prone to insufficient waste gas treatment is solved.

The invention relates to the technical field of smoke purification, in particular to an industrial smoke purification device and a purification method. The invention aims to solve the problem that the existing smoke treatment equipment has a poor treatment effect on harmful substances. According to the technical scheme, the industrial smoke purification device comprises a purification cylinder, an air inlet pipe is fixedly connected to the right side of the purification cylinder in a communicating mode, an exhaust port is formed in the top of the purification cylinder, a first liquid passing port and a second liquid passing port are formed in the left side of the purification cylinder, and the first partition plate is fixedly connected into the purification cylinder. By arranging the atomization unit, waste gas flows upwards in the gap between the flow dividing pipe and the extrusion plug through air pressure and makes contact with absorption liquid through the ventilation plate, due to the fact that the gap between the flow dividing pipe and the extrusion plug is small, the gas can flow at a high speed when the waste gas passes through the gap, and the absorption liquid is attracted to enter the flow dividing pipe through the flow guiding pipe; waste gas collides with the absorption liquid to generate fine bubbles, and the waste gas absorption efficiency of the absorption liquid is improved.

The invention relates to the technical field of building construction early warning, and particularly discloses a building construction temporary facility early warning management and control system based on the Internet, environment data of a construction site are collected in real time through a multi-dimensional environment sensing equipment array, and a surface dust accumulation distribution image of a windproof dust suppression net is synchronously obtained through an image collection device; performing multi-source environmental parameter fusion modeling according to the environmental data to obtain a construction site environmental parameter fusion model; performing dynamic efficiency evaluation on the dust suppression capability of the windproof dust suppression net to obtain a dust suppression efficiency evaluation coefficient of the windproof dust suppression net; and when the dust suppression efficiency evaluation coefficient is lower than a preset threshold value, an atomization spraying system is triggered automatically, and a corresponding spraying instruction is generated automatically, so that the atomization spraying system is controlled. Through real-time monitoring, dynamic evaluation and automatic control, the use efficiency of the windproof dust suppression net can be effectively improved, raised dust emission of a construction site is reduced, and environment-friendly compliance of construction activities is ensured.

This invention discloses a dust suppression machine for building demolition, belonging to the technical field of building demolition. It includes a water storage base with a water pump inside, and a water supply pipe connected to one end of a dust suppression cylinder, with a motor installed inside the other end of the dust suppression cylinder. It also includes a first annular pipe fixed to the inner wall of the dust suppression cylinder near the water supply pipe, and the first annular pipe communicating with the water supply pipe; a support frame fixed to the upper surface of the water storage base, with the dust suppression cylinder rotatably mounted on the inner side of the support frame, and an expansion mechanism located in the middle of the dust suppression cylinder. This dust suppression machine for building demolition increases the spraying range by adding nozzles to the outside of the dust suppression cylinder. Compared to traditional methods of changing the spray angle and adjusting the horizontal position, it can further expand the spraying range, adjust the spraying distance, and recover liquid dripping near the dust suppression machine, reducing water waste.

The invention discloses a grooving method sampling device for geological mineral exploration surveying and mapping, which comprises a shell, a cutting device, a water spraying device, a vertical pressing device and a collecting device, the cutting device is installed at the front end of the shell, a water spraying assembly is installed at the top of the cutting device, the vertical pressing device is installed in the middle of the shell, and the collecting device is located at the rear end of the shell. The cutting device adjusts the width of a sample, the water spraying device cools a cutting area through water flow, reduces friction heat, reduces dust raising and improves the cleanliness of the working environment, the pressure relieving device adjusts the length and thickness of the sample and ensures the cutting precision, and the collecting device shovels the cut sample out of a mineral product and delivers the cut sample to the top of the shell through the conveying belt. And all the devices operate in a coordinated mode, an efficient cutting process is formed, the working efficiency is improved, and operation safety is guaranteed. The whole design is compact, operation is easy and convenient, various mineral cutting requirements are met, energy consumption is reduced, and the service life of equipment is prolonged.