29942results about "Rotary stirring mixers" patented technology

The invention relates to the technical field of water-based paint production, in particular to a water-based paint stirring device with a viscosity detection function, which comprises a mounting seat, a stirring tank is arranged at one corner of the top of the mounting seat, and a tank cover is arranged at the top of the stirring tank; the stirring assembly is arranged in the stirring tank; the bubble adsorption assembly is arranged at the other corner of the mounting seat; the detection assembly comprises a high-frequency ultrasonic probe arranged on the inner wall of the stirring tank, a micro torque sensor and a temperature compensation module which are integrated in the stirring assembly, and a microwave resonant cavity sensor located on the bubble adsorption assembly. Compared with the prior art, the multi-mode viscosity accurate detection and bubble dynamic control of the water-based paint coating in the stirring process are realized through the arrangement of the detection assembly and the cooperative work of the high-frequency ultrasonic probe, the micro torque sensor, the temperature compensation module and the microwave resonant cavity sensor.

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 a thickener based on an intelligent control mixed feeding apparatus. The thickener comprises a thickening tank and a feeding assembly for adding a flocculant into the thickening tank. A rotating shaft is arranged in the thickening tank. The surface of the rotating shaft is provided with grease scrapers attached to the liquid surface of a slurry, and the grease scrapers can rotate along with the rotating shaft to scrape off grease on the liquid surface. In the present invention, stirring paddles are driven to rotate by means of the rotating shaft, so as to stir the slurry, so as to generate bubbles in the slurry, allowing grease particles to be attached to the bubbles and rise to the liquid surface. A sliding piece is driven to rotate by means of the rotating shaft, so that the scrapers are driven to rotate, and together with an inclined surface, the grease rising to the liquid surface is scraped off, so that the grease can enter a cavity along the inclined surface and a grease inlet to be collected, so that the function of removing grease is achieved, and the thickening effect is improved.

A stirring device is provided. The stirring device includes a stirring device body (10), a rotating shaft (11) arranged at the center of the stirring device body, a plurality of connecting rods (12) fixedly connected to the rotating shaft, and a regulating assembly (141,143,144,145,146,147). A tail end of each connecting rod is hinged with a scraper (13). The rotating shaft is rotatable around an axis of the rotating shaft under the driving of a driving component. The connecting rods are uniformly distributed along the length of the rotating shaft. The rotating direction of the scraper is located in a plane vertical to the axis of the rotating shaft. The regulating assembly is used for regulating a rotation angle of the scraper. Wherein, the scraper can be in flexible contact with an inner wall of the stirring device body under the regulation of the regulating assembly.

The invention provides an electrode slurry treatment device and battery production equipment. The electrode slurry treatment device comprises a container and a power source, and the container is provided with a containing cavity used for containing electrode slurry. The power supply comprises a positive electrode part and a negative electrode part which are both connected to the container, and the power supply is used for applying an electric field to the electrode slurry contained in the containing cavity. Wherein the container comprises a tank body, a stirring paddle, a first conductive part and a second conductive part, the tank body comprises a containing cavity, the stirring paddle is arranged in the containing cavity and is configured to rotate relative to the tank body, and the stirring paddle is used for stirring electrode slurry. The first conductive part and the second conductive part are both arranged in the accommodating cavity, and the first conductive part, the second conductive part and the stirring paddle are arranged at intervals. One of the positive electrode portion and the negative electrode portion is connected to the first conductive member, and the other of the positive electrode portion and the negative electrode portion is connected to the second conductive member. According to the invention, the quality of the electrode slurry can be effectively improved.

The utility model discloses a charging basket assembly structure of a smoothie machine, which belongs to the technical field of smoothie machines and comprises a main machine body, a charging basket, an evaporator and a positioning ring are arranged on the main machine body, the evaporator is cylindrical and is horizontally arranged on the main machine body, the positioning ring is positioned at the rear end of the evaporator, and a sealing piece and a positioning fastening part are arranged on the positioning ring. A round assembling opening is formed in the rear end of the material barrel, an assembling buckling part is arranged on the round assembling opening, the material barrel acts on the positioning ring through the matched sealing effect of the round assembling opening and the sealing piece and is detachably buckled with the positioning buckling part through the assembling buckling part, and the material barrel covers the periphery of the evaporator after being assembled. According to the material barrel of the structure, buckling between the assembling buckling part and the positioning buckling part can be achieved through the rotating part, the disassembling and assembling structure is simplified, disassembling and assembling convenience is improved, and daily cleaning and maintaining of a user on the material barrel and an evaporator are facilitated; the charging barrel can be in sealing fit with the positioning ring after being assembled, and the practicability is high.

The invention relates to the field of mixing equipment, in particular to waste mineral oil blending and preheating equipment which comprises a blending tank and a stirrer arranged in the blending tank, the stirrer comprises a rotating shaft and stirring blades, a fixed cylinder is arranged in the blending tank, the rotating shaft is hollow and rotatably arranged outside the fixed cylinder in a sleeving mode, and the stirring blades are arranged on the rotating shaft. A spiral blade is arranged in the fixed cylinder and is fixedly connected with the rotating shaft; a circulating hole is formed in the fixed cylinder, the circulating hole is located below the rotating shaft, the stirring blades are rotationally connected to the rotating shaft, and the rotating axis of the stirring blades is perpendicular to the rotating axis of the rotating shaft. The application has the effect of expanding the application range of the blending and preheating equipment.

The invention discloses a water environment pollution water treatment and purification device and a purification method thereof, and belongs to the technical field of water treatment, the water environment pollution water treatment and purification device comprises a water inlet tank, a treatment tank is fixedly connected to one side of the water inlet tank, a water outlet tank is fixedly connected to one side of the treatment tank, and water pumps are fixedly connected to the water inlet tank and the water outlet tank; the input end of the water pump is fixedly connected with a water pumping pipe. According to the conveying device, the first motor drives the transmission wheels to rotate, the transmission wheels drive the belt and the other transmission wheel to rotate synchronously, then the connecting shaft rotates, the connecting shaft drives the reciprocating lead screw to move in the fixing plate, the reciprocating lead screw pushes the threaded cap to move, the threaded cap drives the transverse plate to move synchronously, and then the conveying cylinder moves stably in the horizontal direction. Chemical agents can be evenly distributed in the treatment box, the chemical agents and sewage are fully mixed through continuous stirring of the stirring blades, the purification effect is achieved, and finally treated water is sucked into the water outlet box through the water pump and discharged through the water outlet valve.

The invention relates to the technical field of material mixing, and particularly discloses a glass lining conical mixer which comprises a mixing cylinder, a filter sieve and a driver are arranged in the mixing cylinder, a stirring mechanism is arranged in the mixing cylinder, and the stirring mechanism comprises a plurality of adjusting assemblies, a plurality of bases and stirring paddles rotationally installed on the bases around the horizontal axis. The multiple bases are evenly distributed around the axis of the mixing barrel, the multiple adjusting assemblies are used for driving the bottoms of the bases to be at different heights so that the stirring paddles can be spirally distributed in the vertical direction, elastic parts for applying force to the stirring paddles to enable the stirring paddles to rotate to be in an inclined state are arranged on the bases, and the driver drives the filter screen to ascend. The filter sieve pushes each stirring paddle to rotate to a horizontal state, meanwhile, each base ascends and extrudes the adjusting assembly, and the filter sieve and each stirring paddle extrude and crush agglomerated materials. According to the glass lining conical mixer, the situation that materials in the mixing cylinder are caked can be avoided, and the mixing effect of the materials is improved.

The invention relates to a mixing element 100 or a removal device 60 for use in a biomass mixer 200, 300 with at least one wear protection element 20, 20' and / or cutting blade 35 attached thereto. In known mixing elements 100 or removal devices 60, the wear protection elements provided therein are generally attached with a screw-nut connection. This results in interruptions on the surface of the wear protection elements, which increase the frictional resistance and thus the power required for the drive. Furthermore, the screws provided for mounting the wear protection elements can become dirty or wear out during use, which makes it difficult to disassemble the wear protection elements, if necessary for repair purposes.In order to reduce the power requirement and simplify maintenance, it is proposed that - the wear protection element 20, 20' and / or the cutting blade 35 comprises a wear protection element plate 21, 21' and a stud bolt 22 attached to the wear protection element plate 21 with a non-detachable connection, preferably a welded connection 23, - the mixing element 100 or the removal device 60 comprises a bore 24 or recess for receiving the stud bolt 22 and - the wear protection element 20, 20' and / or cutting blade 35 is detachably fastened to the mixing element 100 by means of its stud bolt 22 and a fastening means 25 compatible with the stud bolt 22.

The invention discloses a large-capacity ground storage tank for linkage control of slurry viscosity and stirring speed, and belongs to the field of chemical machinery and automatic control. The storage tank comprises a stirring mechanism, a canning system, an electric control system, a pipeline system, a detection feedback system and a supporting structure, the stirring mechanism is vertically installed in the canning system, the pipeline system is communicated with the interior of the canning system, the canning system is installed on the supporting structure, and the electric control system controls the stirring mechanism, the detection feedback system and the pipeline system in a linkage mode. A multi-sensor fusion feedback mechanism is adopted, closed-loop control over viscosity-liquid level height-rotating speed parameters is achieved, slurry rheological characteristic data are collected in real time, the rotating speed of the motor is automatically adjusted after dynamic correlation model processing, solute precipitation can be effectively prevented, the component stability can be maintained, the control precision and slurry consistency can be improved, and the stability of the slurry can be improved. And particularly, frequent manual intervention is not needed when multi-batch and multi-formula slurry is treated, the batch conversion efficiency is remarkably improved, and the energy consumption is reduced.

In a general aspect, the present disclosure relates to a blender system for use in a hydraulic fracturing system. The blender system includes a mixing tub and a movable divider associated with the mixing tub. The divider is movable between an open position and a closed position. When the divider is in the open position, liquid can flow between a first portion of the mixing tub and a second, distinct portion of the mixing tub. When the divider is in the closed position, the divider prevents liquid flow between the first and second portions. A divider control system can move the divider between the open and closed positions. A first input pump pumps fluid into the first portion of the mixing tub, and a first output pump pumps fluid from the first portion of the mixing tub. A second input pump pumps fluid into the second portion of the mixing tub, and a second output pump pumps fluid from the second portion of mixing tub.

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.

A drink maker is described that includes a housing, a mixing vessel configured to be removably coupled to the housing and receive a drink product, a dasher configured to mix the drink product within the mixing vessel, a drive motor configured to drive the dasher, and a controller. The controller is configured to detect an unsafe condition associated with the drink maker and, in response to detection of the unsafe condition, execute at least one control action comprising at least one of: alerting a user of the drink maker, deactivating the drive motor, preventing activation of the drive motor, or any combination thereof.

Methods of manufacturing a substrate including a component, such as superabsorbent material, having a volatile hydrophobic coating are disclosed. The method can include providing a fluid supply including a liquid and providing a supply of the component. The component can include a volatile hydrophobic coating. The method can include introducing the component to the fluid supply. The method can also include transferring the component in the fluid supply to provide the substrate. The method can further include applying heat to the substrate. The heat can remove the volatile hydrophobic coating from the component.

A blender using different power modes is disclosed. Exemplary implementations may include a base assembly, a container assembly, an electrical motor, a blending component, a control interface, control circuitry, and / or other components. The control circuitry may be configured to make different types of detections related to the availability and / or usage of electrical power, and may control the electrical motor using at least two different power modes of operation, thus providing different amounts of power to the electrical motor in different power modes of operation.

The invention relates to the technical field of chemical reaction kettles, and relates to a chemical reaction kettle for preventing material adhesion, the chemical reaction kettle comprises a reaction kettle body, a power assembly, an adjusting assembly and a matching assembly, in the power assembly, a motor drives an outer cylinder to rotate and stir and drives an inflation assembly at the same time, so that a one-way nozzle sprays air into the reaction kettle; the adjusting assembly can automatically adjust the angle of the stirring blade according to the air pressure, adapt to the viscosity change of the solution in the stirring process and improve the stirring effect, and the matching assembly can introduce the high-pressure gas in the reaction kettle into the material box when the air pressure is increased; the high-pressure gas quickly disperses and sprays out the powder, so that the mixing time is shortened, the agglomeration probability is reduced, and the material mixing uniformity and the reaction efficiency are remarkably improved.

The invention discloses a marine ranch breeding device, and belongs to the technical field of marine ranches, the marine ranch breeding device comprises a supporting plate, a fixing rod is fixedly mounted on the bottom wall of the supporting plate, and a feeding assembly is arranged on the supporting plate; the feeding assembly comprises a vertical rod fixedly installed on the top wall of the supporting plate, and a buoyancy plate is installed on the vertical rod in a sliding mode. According to the feeding device, by arranging a feeding rod, in the telescopic pipe contraction process, airflow in a telescopic pipe flows into an annular groove through a first air pipe and flows into a feeding groove through the annular groove, so that the pressure in the feeding groove can be increased, the feeding rod moves towards the outside of the feeding groove under the action of the pressure, an elastic cushion is stretched, and the feeding rod is moved out of the feeding groove; and then, in the moving process of the feeding rod, the feed in the feed storage tank is driven to move out of the feeding tank and fall into the marine ranch, that is, the feed can be automatically fed into the marine ranch without power equipment, and the effect of improving the feeding effect is achieved.

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 utility model discloses a multi-element gas automatic mixing device which comprises a plurality of gas branches, all the gas branches are jointly connected with a gas main path, the gas main path is connected with a mixing tank, the gas main path is provided with a static mixer, the mixing tank is provided with a dynamic mixer, and the static mixer is connected with the dynamic mixer. A gas outlet of the mixing tank is sequentially provided with a first-stage buffer tank, a second-stage buffer tank, a third-stage buffer tank and a first gas storage chamber in the gas conveying direction, and efficient mixing of gas is achieved through a static mixer and a dynamic mixer. The static mixer utilizes a spiral structure to generate rotation and turbulent flow to promote uniform mixing of gas; under the condition that the gas flow speed is lower or the gas types are more, the dynamic mixer is provided with an electric stirring blade, the mixing uniformity is further improved through mechanical stirring, the gas enters the buffer tank after being mixed through the arrangement of the multi-stage buffer tank, the pressure fluctuation is reduced, and the flow speed is homogenized. And the repeated diffusion and distribution process in the buffer tank improves the mixing uniformity of the gas.

The invention discloses a raw material mixing device for preparing a fluorescent material for backlight display and a preparation method. The raw material mixing device comprises a mixing cylinder, a feeding port is formed in the top of the mixing cylinder, an annular supporting frame is further arranged at the top of the mixing cylinder, a plurality of sets of raw material cylinders are evenly arranged on the peripheral side of the annular supporting frame, and an annular base is rotationally arranged in the annular supporting frame; a plurality of groups of arc-shaped areas are arranged on the annular base, and a material receiving box is arranged in each group of arc-shaped areas; a discharging port is formed in the bottom of the mixing barrel, a rotating shaft is rotationally arranged in the mixing barrel, the bottom end of the rotating shaft extends to the position below the discharging port and is provided with a discharging gear, and an auger is arranged on the part, located in the discharging port, of the rotating shaft; arc-shaped tooth parts used for being meshed with the discharging gear are arranged at the positions, located in the arc-shaped areas, of the inner ring plate, each arc-shaped tooth part is composed of multiple sets of tooth part units, each set of tooth part units are independently arranged on the inner ring plate in a vertical sliding mode, and a driving assembly for driving each set of tooth part units to slide is arranged on the annular base; the raw materials can be automatically fed into the mixing cylinder for stirring according to the reverse rotation of the motor in proportion.

The utility model discloses a premixing tank for carbon nano tube conductive slurry, which comprises a cooling jacket, a kettle body is arranged in the cooling jacket, a stirring support, a liquid feeding hole, a powder feeding hole and a spraying ball assembly are arranged at the upper part of the kettle body, a stirring device is arranged in the kettle body, the stirring device comprises a low-speed helical ribbon stirrer and a high-speed shearing stirrer, a stirring shaft of the high-speed shearing stirrer penetrates through a hollow shaft of the low-speed helical ribbon stirrer and is directly connected with the high-speed driving motor, and the hollow shaft of the low-speed helical ribbon stirrer is driven by the low-speed driving motor and the speed reducer. The premixing tank solves the problems of agglomeration of carbon nanotube powder, inconsistent upper and lower uniformity, material adhesion on the kettle wall, uneven overall temperature and the like in the existing mixing tank, effectively avoids uneven mixing caused by long-term adhesion of the material on the kettle wall, can scrape off the material adhered on the kettle wall when discharging the material, reduces material residues, and improves the production efficiency. And the device can be widely applied to mixing occasions of carbon nanotubes and other slurries.

The invention discloses a multi-layer liftable three-dimensional planting shed frame which comprises a planting shed frame body, the planting shed frame body comprises a mounting shell, one side of the mounting shell is fixedly connected with a supporting top plate with a built-in light supplementing lamp, and the top of the supporting top plate is fixedly connected with a water storage tank; the invention belongs to the technical field of agricultural planting, and aims at solving the problems that in the prior art, when vegetables on the upper layer grow flourishing, illumination of the vegetables on the lower layer is prone to being shielded, and consequently leaves of the vegetables on the lower layer become yellow and grow slowly due to insufficient illumination. The technical effects are that through the arrangement of the layer height circulation adjusting mechanism, the upper layer vegetable planting rack can be automatically and regularly adjusted to the lower layer and the lower layer vegetable planting rack can be automatically and regularly adjusted to the upper layer in the vegetable growth process, so that the normal growth of the lower layer vegetables is prevented from being influenced by the fact that the vegetables always located on the upper layer shield light; and the illumination uniformity of each layer of vegetable planting frame is improved.

A vertical high-temperature coating autoclave, comprising an autoclave body (1), a heat recovery device (2), a driving assembly (3), a supporting frame (4) and a stirring assembly (5), wherein the heat recovery device (2) is used for absorbing the heat from high-temperature flue generated by a reaction in the autoclave body (1), the absorbed heat is used for heating cold water, and a high-temperature and high-pressure gas-liquid mixture is used to complete cleaning of the kettle body (1) and self-cleaning of the stirring assembly (5) in combination with the rotation and vibration of the stirring assembly (3), so as to clean up high-melting-point residues and dust; a wall-scraping stirring device (51) is used for scraping the dust in a non-stirring area, and to shake the dust off in combination with vibration; a spiral mixing device (52) is used for uniform stirring to make small agglomerates break apart under impact and agitation, and driving finished products to rotate downward, so as to achieve rapid discharge and prevent a bottom discharge port from being blocked; a stirring and flushing device (53) is used for integrated stirring, autorotation stirring and raw-material upturning; and the inner wall of the autoclave body (1) is scraped by using a scraper rod (531), so as to prevent raw materials from sticking to the inner wall of the autoclave body (1).

The present disclosure relates to apparatuses for producing nanoparticles from a material mixed with a working liquid and optionally to produce hydrogen, and to top-down methods for producing nanoparticles and optionally hydrogen using such apparatuses. A core of such an apparatus comprises a first cylinder (11) and a second cylinder (12) including through holes (20) extending between the radial surface of each cylinder. The first cylinder (11) and the second cylinder (12) comprise a plurality of through holes (20) extending from the radially outer surface (15, 17) to the radially inner surface (14, 16). The holes (20) increase in size from the radially inner surface (14, 16) to the radially outer surface (15, 17).

The invention relates to the technical field of chemical equipment, in particular to an internal circulation esterification kettle which comprises a kettle body, a circulation stirring assembly, a driving assembly and a scraping assembly. A reaction cavity is formed in the kettle body; the circulating stirring assembly comprises a separation cylinder, a rotating shaft, a first paddle and a driving part; a circulation cavity is formed between the outer wall of the separation cylinder and the inner wall of the kettle body; the first paddle is arranged on the rotating shaft; the driving part is used for driving the rotating shaft to rotate; when the rotating shaft rotates, the first paddle can push materials from the first end of the separation barrel to the second end of the separation barrel, and then the materials flow back to the first end through the circulation cavity; the driving assembly comprises a first gear, a gear ring, a mounting frame and a second gear which form a planetary gear train; the scraping assembly comprises a reciprocating lead screw, a guide rod and a scraping plate, and when the rotating shaft rotates, the scraping plate can rotate by taking the central axis of the rotating shaft as the center and slide up and down along the inner wall of the kettle body in a reciprocating manner. The reaction kettle has the effects of improving the material mixing efficiency and uniformity and reducing adhesion between materials and the inner wall of the reaction kettle.

A small powder two-dimensional mixer, comprising a mixer body and a support fixedly mounted at the bottom of the mixer body. An inner tank is connected to the interior of the mixer body; a mixing device is provided in the inner tank; the mixing device comprises a stirring unit, a scraper unit, and a cleaning unit; the scraper unit comprises through grooves, movable rods, first centrifugal blocks, second scraping plates, springs, second centrifugal blocks, connecting plates, third scraping plates, and elastic ropes. According to the small powder two-dimensional mixer, under the action of centrifugal force and restoring force of springs, the first centrifugal blocks can perform reciprocating sliding within a certain range, and the second scraping plates can be driven to continuously scrape the surfaces of stirring blades during the reciprocating sliding of the first centrifugal blocks, so as to scrape off main materials and auxiliary materials attached to the surfaces of the stirring blades, thereby preventing attachment of the main materials and the auxiliary materials to the stirring blades from affecting subsequent mixing, and avoiding reduction of mixing efficiency.

The invention relates to the technical field of reaction kettles, and discloses a reaction kettle device for synthesizing benzohydroxamic acid, the reaction kettle device comprises a reaction kettle body and a stirring structure arranged at the top of the reaction kettle body, a discharging pipe is arranged at the discharging end of the reaction kettle body, and supporting legs are arranged on the outer wall of the bottom of the reaction kettle body; three mounting plates distributed in an annular array are fixedly mounted on the inner wall of the reaction kettle body, a driving screw rod is rotationally mounted on the top surface of each mounting plate, the top end of each driving screw rod penetrates through the top surface of the reaction kettle body, and a guide frame is in threaded connection with the outer wall of each driving screw rod; when the feeding cylinder rotates, the transmission shaft is in intermittent contact with the protruding block, negative pressure adsorption and quantitative discharge of auxiliary materials are achieved through vertical sliding of the piston plate and cooperation of the one-way valve, it is guaranteed that raw materials can be accurately injected according to needs through the structural design, errors caused by manual control adding are avoided, the accuracy of the reaction proportion is guaranteed, and the production efficiency is improved. And the product quality stability can be improved.

The invention relates to the technical field of urea production, in particular to a urea production device. Comprising a mixing tank, a feeding hopper, a stirring device, a liquid inlet pipe and a liquid discharging pipe, an inner cylinder is arranged in the mixing tank and divides the mixing tank into an inner mixing bin for storing premixed liquid and an outer mixing bin for storing raw materials to be mixed from inside to outside, a filter screen plate is arranged above the inner cylinder, and small-particle raw materials are evenly dispersed in the inner mixing bin through the filter screen plate; and the large-particle raw materials are guided into the external mixing bin. In the liquid separation stage, water waves generated by vortex rotation are used for driving the floating plate to drive the drainage plate to float up and down in the premixed liquid, so that vortex outer ring solutions with different depths are guided to the axis, and the mixing degree of the solutions in the horizontal direction is enhanced; the floating plate is used for raising the vortex outer ring solution in an inclined manner, so that gravitational potential energy is used for impacting the rear part of the drainage plate, the local concentration difference is further broken, and the solution is promoted to reach a more uniform mixing state.

The invention discloses a flue gas purification device for a sintering machine, and relates to the technical field of sintering machines, the flue gas purification device comprises a purification cylinder, the outer side of the purification cylinder is fixedly connected with a gas inlet pipe, one end of the gas inlet pipe penetrates through the inner side of the purification cylinder, and a treatment unit for purifying flue gas of the sintering machine is arranged on the upper side of the gas inlet pipe; an exhaust pipe is fixedly connected to the outer side of the purification barrel and located above the air inlet pipe, a first water pump is fixedly connected to the right side of the purification barrel, a fixing disc is arranged on the inner side of the purification barrel, and a plurality of branch plates are fixedly connected between the fixing disc and the purification barrel. According to the flue gas purification device for the sintering machine, the purification cylinder, the gas inlet pipe, the fixed pipe, the spray head and the first water pump are arranged, the spray head can spray out an alkaline solution conveniently to treat flue gas of the sintering machine, introduced gas can be dispersed conveniently through a rotating rod, a stirring plate, the fixed cylinder, a branch cylinder, a dispersion plate, a first dispersion piece and a second dispersion piece, high-concentration flue gas is evenly distributed, and the service life of the flue gas is prolonged. The flue gas purification effect is improved.