A dust removal device and method for cast iron pipe fitting production

Abstract

This invention discloses a dust removal device and method for cast iron pipe fitting production, belonging to the technical field of dust removal equipment. It primarily addresses the problem that existing products struggle to achieve efficient dust removal, proposing the following technical solution: a movable base with a dust removal mechanism for high-efficiency dust removal and a water injection mechanism for temporary water storage on its top. This invention combines centrifugal dust removal with spray dust suppression by configuring an adjustment mechanism on the cyclone dust collector body, thereby efficiently separating dust from the exhaust gas. The purified gas is then fed into the water injection mechanism, ensuring full contact with water. The adjustment mechanism allows for switching of spray nozzles and drives the spiral tube within the cyclone dust collector body, using water spraying to achieve self-cleaning of the cyclone dust collector body's interior. The filter structure within the equipment does not directly contact the dust-containing exhaust gas, ensuring the equipment's service life.

Description

Technical Field

[0001] This invention relates to the field of dust removal equipment technology, specifically to a dust removal device and method for the production of cast iron pipe fittings. Background Technology

[0002] The production process of cast iron pipe fittings generates a large amount of waste gas containing dust. This dust not only pollutes the production environment and affects the health of workers, but may also damage production equipment, reducing its lifespan and production efficiency. Therefore, dust removal equipment is generally installed in the factory area to treat the waste gas.

[0003] For example, a Chinese patent with application number 202411482017.5 discloses a dust collection device for welding ductile iron pipe fittings: including a movable base; a two-stage electric sleeve telescopic device is fixedly installed on the upper side of the movable base, and the two-stage electric sleeve telescopic device is vertically arranged.

[0004] A Chinese patent with authorization announcement number CN212166840U discloses a dust removal system for the production of epoxy-lined ductile iron pipe fittings, including a base, casters, a first motor, a filter box, a second motor, a first filter screen, and a second filter screen. The lower surface of the base is evenly distributed with four casters, and the back of the base is provided with a handle.

[0005] Although the technical solutions in the aforementioned patent documents can all achieve dust removal from exhaust gas, they still have the following drawbacks in actual application: the exhaust gas generated during the production of cast iron pipe fittings not only has a high concentration of dust, but the dust is mostly metal dust and molding sand dust with large particles. As a result, simple filtration and spray dust removal are difficult to achieve efficient separation of dust in the exhaust gas. Moreover, when performing dust removal operations on exhaust gas, it is very easy to cause blockage and damage inside the product, affecting the dust removal efficiency. Summary of the Invention

[0006] To overcome the aforementioned deficiencies of the prior art, this invention provides a dust removal device and method for cast iron pipe fitting production. By configuring an adjustment mechanism on the main body of the cyclone dust collector and combining it with a water injection mechanism, a combination of wind-driven centrifugal dust removal and spray dust suppression is achieved. This efficiently separates dust from the exhaust gas and sends the purified gas into the interior of the water injection mechanism, achieving full contact between the gas and water resources. The adjustment mechanism can switch the spray components and drive the spiral tube in the main body of the cyclone dust collector to move, using water spray to achieve self-cleaning treatment inside the main body of the cyclone dust collector. The filter structure in the equipment will not directly contact the dust-containing exhaust gas, further extending the service life of the equipment and ensuring dust removal efficiency, thereby solving the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution:

[0008] The first aspect of the technical solution: a dust removal device for the production of cast iron pipe fittings, including a mobile base, the top of which is provided with a dust removal mechanism for high-efficiency dust removal and a water injection mechanism for temporary water storage, wherein the water injection mechanism is located on the left side of the dust removal mechanism, the air inlet end of the dust removal mechanism is provided with a dust suction end piece, and the top of the dust removal mechanism is also equipped with an adjustment mechanism.

[0009] The dust removal mechanism includes a cyclone dust collector body, a dust collection component, and a dust suction component. The cyclone dust collector body and the dust suction component are both located on the top of the movable base, and the dust suction component is located behind the cyclone dust collector body. The dust collection component is located at the bottom of the cyclone dust collector body and is used to collect dust in the exhaust gas. The water injection mechanism and the adjustment mechanism are connected through the dust suction component.

[0010] As a further embodiment of the present invention, the adjusting mechanism includes a shell disposed on the main body of the cyclone dust collector. A hole is provided on the top shell wall of the shell, and an adapter is rotatably connected to the hole. A vertical plate located on the inner wall of the top of the shell is slidably connected to the side of the adapter. A rack and a fixing plate are fixedly connected to the vertical plate. A carrier plate is slidably connected to the fixing plate. An electric push rod and a telescopic rod are provided on the carrier plate. A special-shaped sleeve, a drive gear and a motor are installed on the telescopic rod. A spraying component located on the main body of the cyclone dust collector is movably connected directly below the rack. A striking component located on the main body of the cyclone dust collector is provided directly below the adapter. The striking component is in movable contact with the special-shaped sleeve.

[0011] As a further embodiment of the present invention, the movable base includes a base plate, with universal wheels installed at the four bottom corners of the base plate, and a handrail provided on the top right side of the base plate.

[0012] The cyclone dust collector body includes a frame set on the top shell wall of the base plate. A conical barrel is integrally set inside the frame. A rectangular hole is opened on the base plate directly below the conical barrel. A slot is opened on the top shell wall of the conical barrel. A spiral tube is rotatably connected in the slot. A scraping rod is installed on the bottom peripheral wall of the spiral tube. The top of the spiral tube serves as the air outlet of the dust removal mechanism. An external toothed ring is set on the spiral tube above the conical barrel. The external toothed ring meshes with the drive gear for transmission.

[0013] A placement groove is provided on the top inner wall of the spiral tube, and a drying element for treating gas is provided in the placement groove;

[0014] The dust collection end component includes an end cover that is fixedly connected to the air inlet end of the conical barrel by bolts. A telescopic tube is installed on the left side shell wall of the end cover, and a dust collection hopper is integrally provided at the left end of the telescopic tube. The telescopic tube can be extended and adjusted.

[0015] As a further embodiment of the present invention, the dust collection assembly includes a dust collection box with a through rectangular hole, the top of the dust collection box is threadedly connected to the bottom of the conical barrel, and a drain pipe is provided at the bottom of the dust collection box, with a control valve installed on the drain pipe.

[0016] The dust collection box has two symmetrical sliding rails on the top inner wall, each with a sliding sleeve slidably connected to it. The bottom of the two sliding sleeves is equipped with a frame-shaped scraper, which is used to scrape the inner wall of the dust collection box. The top shell wall of the frame-shaped scraper has a straight groove, in which a protruding rod is slidably connected. The top of the protruding rod is threaded with an adjusting arm, the top of which extends into the interior of the conical barrel and is fixedly connected to the scraping rod.

[0017] As a further embodiment of the present invention, the dust collection assembly includes a fan body, a return component, an air duct, and a rotating connector. The fan body is mounted on a base plate, the return component is located at the air outlet of the fan body, the left end of the return component extends into the water injection mechanism, and a one-way valve is also provided on the return component. The rotating connector is mounted on an adjustment mechanism, and the fan body and the rotating connector are connected by an air duct.

[0018] As a further embodiment of the present invention, the water injection mechanism includes a water tank disposed on a base plate, with multiple filter screens for filtering water resources arranged longitudinally linearly inside the water tank, a water pump body disposed on the top outer wall of the water tank, a conduit disposed at the water inlet end of the water pump body, the bottom end of the conduit extending into the interior of the water tank, and a delivery pipe disposed at the water outlet end of the water pump body.

[0019] As a further embodiment of the present invention, the shell is fixedly connected to the top outer wall of the conical barrel by bolts, a sliding groove is provided on the top inner wall of the shell, a slider is slidably connected in the sliding groove, the top end of the vertical plate is fixedly connected to the slider, the rack is set at the bottom end of the vertical plate, the fixing plate is located on the right shell wall of the vertical plate, and an inclined groove is provided on the fixing plate, a displacement rod is slidably connected in the inclined groove, and the front end of the displacement rod is set on the carrier plate;

[0020] The bottom end of the adapter is inserted into the spiral tube, and the top end of the adapter is fixedly connected to the rotating connector by bolts. The top shell wall of the conical barrel is provided with a receiving groove, and the spraying component is placed in the receiving groove.

[0021] As a further embodiment of the present invention, the spraying component includes a cylinder, an arc-shaped toothed plate and a support component, wherein an arc-shaped groove is provided on the outer shell wall of the cylinder, the arc-shaped toothed plate is disposed in the arc-shaped groove, and the arc-shaped toothed plate and the rack mesh and drive each other.

[0022] The support includes a hollow tube located inside the cylinder, with both ends of the hollow tube penetrating the corresponding sidewalls of the cylinder. The hollow tube has multiple openings along the circumferential direction on its peripheral wall for water flow. Multiple U-shaped frames are arranged along the circumferential direction on the outer shell wall of the hollow tube. The U-shaped frames are fixedly connected to the inner shell wall of the cylinder. The cylinder has a spray hole group and a jet hole group on its peripheral wall.

[0023] A base is fitted onto the hollow tube outside the cylinder. The base is connected to the conical barrel by bolts. A sealing plug is provided at the front end of the hollow tube, and a rotating connector is installed at the rear end of the hollow tube. The rotating connector is connected to the conveying pipe.

[0024] As a further embodiment of the present invention, the electric push rod and the motor are both fixedly connected to the top outer wall of the housing by bolts. The output end of the electric push rod extends into the interior of the housing and is fixedly connected to the carrier plate. The output end of the motor is connected to the top of the telescopic rod. The irregular sleeve is set on the outer ring shell wall of the telescopic rod, and the drive gear is set at the bottom end of the telescopic rod.

[0025] The striking assembly includes a positioning ring located inside the housing. Multiple support rods are arranged along the circumferential direction at the bottom of the positioning ring. The bottom ends of the support rods are fixedly connected to the top shell wall of the conical barrel. A semi-circular ring is provided above the positioning ring. Striking rods are installed at both ends of the bottom of the semi-circular ring. The bottom ends of the striking rods penetrate the positioning ring, and a return spring is sleeved between the semi-circular ring and the positioning ring on the striking rod.

[0026] A guide rod is fixedly connected to the bottom center of the semicircular ring. The bottom end of the guide rod passes through the positioning ring, and a contact rod is provided above the guide rod on the semicircular ring. A ball is rolledly connected to the top of the contact rod, and the ball rolls into contact with the inclined surface of the irregular sleeve.

[0027] The second technical solution: A dust removal method for a dust removal device in the production of cast iron pipe fittings, the method comprising the following steps:

[0028] Step 1: Preparation. Move the equipment to the appropriate working area, then fill the water injection mechanism with water, and adjust the dust collection hopper in the dust collection end. Adjust the dust collection hopper to the appropriate position while the telescopic tube is extended and retracted, so as to ensure that the dust-containing waste gas generated during the production of cast iron pipe fittings is absorbed.

[0029] Step 2: Water mist spraying. The water pump in the water injection mechanism is started by the external controller to deliver the water in the water tank to the inside of the spraying component. At this time, the spray hole group on the spraying component is exposed at the air inlet end of the conical barrel. The water entering the cylinder is sprayed out from the spray hole group, forming a water mist wall inside the air inlet end of the conical barrel.

[0030] Step 3: Gas absorption. The external controller starts the fan in the dust removal mechanism. The fan draws air from the suction end to the inside of the cyclone dust collector. Then the air enters the duct from the top of the spiral tube. Finally, the air enters the water injection mechanism from the return part.

[0031] Step 4: Vibration and tapping. The motor in the adjustment mechanism is started by the external controller, which drives the rotation of the shaped sleeve and the drive gear through the telescopic rod. At this time, the drive gear and the external gear ring are misaligned, so the spiral tube will not be driven to move. During the rotation, the shaped sleeve intermittently contacts the contact rod in the tapping assembly, thereby driving the semi-circular ring in the tapping assembly to move. When the shaped sleeve squeezes the contact rod, the semi-circular ring drives each tapping rod to move down, compressing the return spring. The bottom of the tapping rod taps the conical barrel, causing it to vibrate. When the shaped sleeve leaves the contact rod, under the action of the return spring, the semi-circular ring drives each tapping rod to move up and return to its original position, thus preparing for the next downward tapping.

[0032] Step 5, Dust Removal: During the processing of cast iron pipe fittings, the dust-laden exhaust gas generated enters the interior of the cyclone dust collector from the dust collection end. The exhaust gas first comes into contact with water mist, and then, under the arrangement of the spiral tube, the exhaust gas rotates and flows inside the conical barrel. The dust in the exhaust gas is thrown onto the inner wall of the conical barrel by the centrifugal force generated by the rotation of the airflow. The dust with droplets attached to the inner wall of the conical barrel slides down into the dust collection component under the action of gravity. The purified gas after dust removal is discharged from the spiral tube into the adapter. Then, the purified gas enters the water injection mechanism through the dust collection component and comes into contact with water. After passing through the water, the gas entering the water injection mechanism is discharged through the feed pipe located on the water tank.

[0033] Step Six: Switching and Adjusting. After completing the dust removal of exhaust gas during the production of cast iron pipe fittings, the water pump and motor are shut down through the external controller. Then, the electric push rod is started, causing the carrier plate to move down. During the movement of the carrier plate, the telescopic rod is stretched, driving the drive gear to move down and mesh with the external gear ring. When the carrier plate moves down, it drives the displacement rod to move. Under the action of the inclined groove, the fixed plate drives the rack to move to the right through the vertical plate. During the movement of the rack to the right, it meshes with the arc-shaped toothed plate, thereby realizing the rotation switching of the cylinder. At this time, the spray hole group on the cylinder is exposed, while the spray hole group is hidden and sealed.

[0034] Step Seven: Self-Cleaning Rinse. The water pump and motor are started by the external controller. The water pump draws water from the tank and delivers it to the spray nozzle, spraying it into the conical barrel. The motor drives the telescopic rod to rotate, simultaneously driving the shaped sleeve and the drive gear. During rotation, the shaped sleeve drives the striking component to vibrate the conical barrel. The drive gear meshes with the external gear ring, driving the spiral tube to rotate. The spiral tube simultaneously drives the scraper to rotate. With water spraying, the movement of the spiral tube and scraper, combined with the vibration of the striking component, achieves efficient self-cleaning of the inner wall of the conical barrel. The self-cleaning wastewater enters the dust collection component. When the scraper moves, it drives the adjusting arm in the dust collection component, causing the frame scraper to reciprocate inside the dust collection box, scraping away the dust deposited inside and breaking up the dust. Then, the external controller opens the control valve to discharge the wastewater from the dust collection box.

[0035] Compared with the prior art, the beneficial effects of the present invention are:

[0036] 1. By configuring an adjustment mechanism on the main body of the cyclone dust collector and combining it with a water injection mechanism, the combination of wind-powered centrifugal dust removal and spray dust suppression is achieved, thereby efficiently separating dust from the exhaust gas. The combination of the spraying components in the water injection mechanism and the adjustment mechanism forms a water mist wall at the air inlet of the cyclone dust collector. This allows the dust-laden exhaust gas to come into contact with the water mist before entering the cyclone dust collector, causing the dust particles to collide with and be captured by the droplets. Then, when the gas rotates and flows inside the cyclone dust collector, the droplets carrying the dust particles are thrown against the inner wall of the cyclone dust collector under the action of centrifugal force, and then fall down to the bottom of the wall, further improving the separation effect between dust and gas and improving the dust removal efficiency of the exhaust gas.

[0037] 2. During operation, the main body of the fan sends the purified gas into the water injection mechanism, achieving full contact between the gas and water resources, thereby further improving the dust removal effect on the gas.

[0038] 3. The electric push rod in the adjustment mechanism can move the carrier plate downward during operation. When it moves the drive gear downward, it causes the rack to move laterally. The displacement of the rack can switch the spraying components, so that the spraying hole group on the spraying components is aligned with the inside of the cyclone dust collector body. At this time, the operation of the motor can drive the spiral tube to move through the rotation of the drive gear. When water is sprayed, the rotation of the spiral tube will also drive the scraper rod to move, thereby achieving self-cleaning treatment of the inside of the cyclone dust collector body.

[0039] 4. When the scraper bar rotates, it simultaneously drives the frame scraper in the dust collection component to move. This allows for rapid dispersal of the dust deposited in the dust collection component during water flushing, facilitating the discharge of dust with the water flow and further reducing the burden of manual cleaning.

[0040] 5. The filter structure in the equipment will not come into direct contact with the dust-containing exhaust gas, thereby extending the service life of the equipment and ensuring its dust removal efficiency. Attached Figure Description

[0041] Figure 1 A three-dimensional structural diagram of a dust removal device for the production of cast iron pipe fittings. Figure 1 ;

[0042] Figure 2 A three-dimensional structural diagram of a dust removal device for the production of cast iron pipe fittings. Figure 2 ;

[0043] Figure 3 for Figure 1 A schematic diagram of the dust removal mechanism;

[0044] Figure 4 for Figure 3 A schematic diagram of the structure viewed from the side;

[0045] Figure 5 for Figure 4 A magnified schematic diagram of the local structure at point A;

[0046] Figure 6 for Figure 2 A schematic diagram of the dust removal mechanism;

[0047] Figure 7 for Figure 3 Exploded view of the local structure;

[0048] Figure 8 for Figure 7 A schematic diagram of the structure viewed from the side;

[0049] Figure 9 for Figure 8 A magnified schematic diagram of the local structure at point B;

[0050] Figure 10 for Figure 7 A schematic diagram of the striking component structure;

[0051] Figure 11 for Figure 7 Partial cross-sectional view of the spraying component Figure 1 ;

[0052] Figure 12 for Figure 7 Partial cross-sectional view of the spraying component Figure 2 ;

[0053] Figure 13 for Figure 1 A partial cross-sectional view of the water injection mechanism.

[0054] In the diagram: 1. Movable base; 2. Dust removal mechanism; 21. Cyclone dust collector body; 211. Frame; 212. Conical barrel; 213. Spiral tube; 214. Scraper bar; 215. External gear ring; 22. Dust collection assembly; 221. Dust collection box; 222. Slide rail; 223. Frame scraper; 224. Adjusting arm; 23. Dust suction assembly; 231. Fan body; 232. Return component; 233. Air duct; 234. Rotary connector one; 3. Water injection mechanism; 31. Water tank; 32. Filter plate; 33. Water pump body; 4. Suction... 41. Dust end component; 42. End cover; 43. Telescopic tube; 5. Dust suction hopper; 5. Adjustment mechanism; 51. Housing; 52. Adapter; 53. Electric push rod; 54. Carrier plate; 55. Telescopic rod; 56. Irregular sleeve; 57. Drive gear; 58. Motor; 59. Striking assembly; 591. Positioning ring; 592. Semicircular ring; 593. Striking rod; 510. Vertical plate; 511. Rack; 512. Fixing plate; 513. Spraying component; 5131. Cylinder; 5132. Arc-shaped toothed plate; 5133. Support component; 6. Drying component. Detailed Implementation

[0055] Please see Figures 1-2 In this embodiment of the invention, a dust removal device for cast iron pipe production includes a movable base 1. The movable base 1 includes a base plate. Base columns are installed at the four corners of the bottom of the base plate. Universal wheels are provided at the bottom ends of the base columns. A handrail is provided on the right side of the top of the base plate. The position of the equipment can be adjusted by pushing the movable base 1.

[0056] The top of the mobile base 1 is equipped with a dust removal mechanism 2 for efficient dust removal and a water injection mechanism 3 for temporary water storage. The water injection mechanism 3 is located on the left side of the dust removal mechanism 2. The air inlet end of the dust removal mechanism 2 is equipped with a dust suction end piece 4, and the top of the dust removal mechanism 2 is also equipped with an adjustment mechanism 5.

[0057] Water injection mechanism 3 is used to temporarily store water resources and use the stored water resources to further process the purified gas, thereby improving the dust removal effect on the gas.

[0058] Please see Figures 2-3 In this embodiment of the invention, the dust removal mechanism 2 includes a cyclone dust collector body 21, a dust collection component 22, and a dust suction component 23. The cyclone dust collector body 21 and the dust suction component 23 are both disposed on the top of the movable base 1, and the dust suction component 23 is located behind the cyclone dust collector body 21. The dust collection component 22 is disposed at the bottom of the cyclone dust collector body 21 and is used to collect dust in the exhaust gas.

[0059] The water injection mechanism 3 and the adjustment mechanism 5 are connected by a dust suction component 23. The dust suction component 23 sucks up the purified gas and then delivers it to the water injection mechanism 3 to come into contact with water, thereby purifying the gas.

[0060] Please see Figure 2 and Figures 7-10 In this embodiment of the invention, the adjustment mechanism 5 includes a cover 51 disposed on the main body 21 of the cyclone dust collector. A hole is provided on the top shell wall of the cover 51, and an adapter 52 is rotatably connected in the hole. The adapter 52 includes a round tube rotatably connected in the hole. Both ends of the round tube are integrally disposed on a fixing ring. Multiple mounting holes are provided on the upper fixing ring along the circumferential direction, and multiple insertion rods are provided on the bottom of the lower fixing ring along the circumferential direction. The number of insertion rods is two to six, and four are used in this embodiment.

[0061] The side of the adapter 52 is slidably connected to a vertical plate 510 located on the inner wall of the top of the housing 51. A rack 511 and a fixing plate 512 are fixedly connected to the vertical plate 510. A carrier plate 54 is slidably connected to the fixing plate 512. An electric push rod 53 and a telescopic rod 55 are provided on the carrier plate 54.

[0062] The telescopic rod 55 is equipped with a special-shaped sleeve 56, a drive gear 57 and a motor 58. The spraying component 513 located on the cyclone dust collector body 21 is movably connected directly below the rack 511. The tapping component 59 located on the cyclone dust collector body 21 is located directly below the adapter 52. The tapping component 59 and the special-shaped sleeve 56 are in movable contact.

[0063] Motor 58 drives telescopic rod 55 to move, which in turn causes irregular sleeve 56 to move synchronously with drive gear 57. During the rotation, irregular sleeve 56 intermittently contacts striking component 59, thereby achieving intermittent striking vibration on cyclone dust collector body 21.

[0064] Please see Figures 2-6 In this embodiment of the invention, the cyclone dust collector body 21 includes a frame 211 disposed on the top shell wall of the base plate. The frame 211 includes a rectangular plate with a loading hole at the center. Round rods are installed at the four bottom corners of the rectangular plate, and the bottom ends of the round rods are disposed on the movable base 1. A conical barrel 212 is integrally disposed in the loading hole.

[0065] A rectangular hole is provided on the substrate at the bottom of the conical barrel 212. A slot is provided on the top shell wall of the conical barrel 212. A spiral tube 213 is rotatably connected in the slot. The spiral tube 213 is composed of a tube body and a spiral blade. The top end of the tube body passes through the slot and is rotatably connected to the slot. The spiral blade is disposed on the outer shell wall of the tube body.

[0066] An annular plate is also provided on the outer ring of the top of the tube body. Multiple positioning holes are opened on the annular plate along the circumferential direction. Each of the plugs at the bottom of the adapter 52 corresponds to one of the positioning holes. Therefore, when the adapter 52 is assembled, its bottom end not only needs to press the top of the tube body, but also needs to insert each of its plugs into the corresponding positioning holes.

[0067] A scraping rod 214 is installed on the bottom peripheral wall of the spiral tube 213. The top of the spiral tube 213 serves as the air outlet of the dust removal mechanism 2. An external toothed ring 215 is provided above the conical barrel 212 and located on the spiral tube 213. The external toothed ring 215 meshes with the drive gear 57 for transmission. When the drive gear 57 meshes with the external toothed ring 215, the movement of the drive gear 57 drives the spiral tube 213 to rotate.

[0068] A placement groove is provided on the top inner wall of the spiral tube 213, and a drying element 6 for treating gas is provided in the placement groove. The drying element 6 is mainly used to dry the purified humid gas. It can be achieved by filling the interior with a desiccant. The desiccant has various components. In this embodiment, activated carbon is used. It can also filter the gas during the drying process.

[0069] The vacuum end piece 4 includes an end cover 41 that is fixedly connected to the air inlet end of the conical barrel 212 by bolts. A telescopic tube 42 is installed on the left side shell wall of the end cover 41. A vacuum hopper 43 is integrally provided at the left end of the telescopic tube 42. The telescopic tube 42 can be extended and adjusted.

[0070] The dust collection assembly 22 includes a dust collection box 221 with a through rectangular hole. The top of the dust collection box 221 is threaded to the bottom of the conical barrel 212, and a drain pipe is provided at the bottom of the dust collection box 221. A control valve is installed on the drain pipe.

[0071] The top of the dust collection box 221 has a passage hole, and the top of the passage hole is rotatably connected to a rotating connector three located on the outer wall of the top of the dust collection box 221. The rotating connector three is threadedly connected to the bottom end of the conical barrel 212.

[0072] Two slide rails 222 are symmetrically arranged on the top inner wall of the dust collection box 221. Each slide rail 222 is slidably connected to a sliding sleeve. A frame-shaped scraper 223 is installed at the bottom of the two sliding sleeves. The frame-shaped scraper 223 is used to scrape the inner wall of the dust collection box 221. The slide rails 222 and sliding sleeves are used to guide and support the movement of the frame-shaped scraper 223, ensuring the stability of the frame-shaped scraper 223 when adjusting its displacement.

[0073] A straight groove is provided on the top shell wall of the frame scraper 223. A protruding rod is slidably connected in the straight groove. An adjusting arm 224 is threadedly connected to the top of the protruding rod. The top of the adjusting arm 224 extends into the interior of the conical barrel 212 and is fixedly connected to the scraping rod 214.

[0074] When the scraping rod 214 rotates, it drives the adjusting arm 224 to rotate. When the adjusting arm 224 rotates, it causes the convex rod to move. The displacement of the convex rod in the straight groove drives the frame scraper 223 to reciprocate, thereby scraping the dust deposited in the dust collection box 221 and dispersing the dust.

[0075] The dust collection assembly 23 includes a fan body 231, a return component 232, an air duct 233, and a rotating connector 234. The fan body 231 is mounted on a base plate, the return component 232 is located at the air outlet of the fan body 231, the left end of the return component 232 extends into the water injection mechanism 3, and a one-way valve is also provided on the return component 232.

[0076] The return component 232 consists of an air collecting hood and an air guide pipe. The air collecting hood is fixedly connected to the air outlet end of the blower body 231 by bolts, and the air guide pipe is fixedly connected to the top of the air collecting hood. The left end of the air guide pipe extends into the water injection mechanism 3. A one-way valve is set on the air guide pipe to ensure stable gas delivery to the water injection mechanism 3.

[0077] Rotary connector 234 is fixedly connected to adapter 52 by bolts, and the fan body 231 and rotary connector 234 are connected by air duct 233.

[0078] Please see Figure 1 and Figure 13 In this embodiment of the invention, the water injection mechanism 3 includes a water tank 31 disposed on a base plate. The interior of the water tank 31 has a plurality of filter screens 32 for filtering water resources arranged longitudinally. The number of filter screens 32 is two to six. In this embodiment, three are used. The mesh size of the three filter screens 32 gradually decreases from bottom to top, thereby filtering the water resources in the water tank 31.

[0079] The return component 232 extends into the water injection mechanism 3 at a position below the bottom filter screen 32, thereby filtering the wastewater with the help of the filter screen 32.

[0080] The water tank 31 is equipped with two water level sensors: a maximum water level sensor and a minimum water level sensor. The maximum water level sensor is located on the top inner wall of the water tank 31, and the minimum water level sensor is located above the top filter screen 32. Thus, when the minimum water level sensor sends a signal, the water inside the water tank 31 can be replenished in a timely manner.

[0081] A water pump body 33 is installed on the top outer wall of the water tank 31. A conduit is installed at the water inlet end of the water pump body 33. The bottom end of the conduit extends into the interior of the water tank 31 and is located above the uppermost filter screen 32, thereby ensuring the cleanliness of the pumped water.

[0082] The water pump body 33 has a delivery pipe at its outlet end. The front shell wall of the water tank 31 has a notch with a cabinet door installed in it to seal the notch. Below the notch is a drain pipe located on the front shell wall of the water tank 31. The top shell wall of the water tank 31 has an inlet pipe with an end cap at the top and an vent hole for easy gas discharge.

[0083] Please see Figures 2-3 and Figures 7-12 In this embodiment of the invention, the shell 51 is fixedly connected to the top outer wall of the conical barrel 212 by bolts. A sliding groove is provided on the top inner wall of the shell 51, and a slider is slidably connected in the sliding groove. The top end of the vertical plate 510 is fixedly connected to the slider. The cooperation of the sliding groove and the slider realizes the stable movement of the vertical plate 510.

[0084] The rack 511 is located at the bottom of the vertical plate 510, and the fixing plate 512 is located on the right side shell wall of the vertical plate 510. The fixing plate 512 has an inclined groove, and a displacement rod is slidably connected in the inclined groove. The front end of the displacement rod is located on the carrier plate 54.

[0085] When the carrier plate 54 is raised and lowered, it drives the displacement rod to move synchronously. Under the action of the inclined groove, the fixed plate 512 pulls the vertical plate 510 to adjust the lateral displacement.

[0086] The bottom end of the adapter 52 is inserted into the spiral tube 213, and the top end of the adapter 52 is fixedly connected to the rotating connector 234 by bolts. A receiving groove is provided on the top shell wall of the conical barrel 212, and the spraying component 513 is placed in the receiving groove.

[0087] The spraying component 513 includes a cylinder 5131, an arc-shaped toothed plate 5132, and a support component 5133. The outer shell wall of the cylinder 5131 is provided with an arc-shaped groove, the arc-shaped toothed plate 5132 is disposed in the arc-shaped groove, and the arc-shaped toothed plate 5132 and the rack 511 mesh and drive each other.

[0088] When the vertical plate 510 moves, it drives the rack 511 to move synchronously. The rack 511 meshes with the arc-shaped toothed plate 5132 to drive the rotation of the cylinder 5131.

[0089] The support member 5133 includes a hollow tube located inside the cylinder 5131. The two ends of the hollow tube pass through the corresponding side walls of the cylinder 5131. Multiple openings for water flow are provided on the circumferential wall of the hollow tube. Multiple U-shaped frames are provided on the outer shell wall of the hollow tube along the circumferential direction. The U-shaped frames are fixedly connected to the inner shell wall of the cylinder 5131.

[0090] The cylindrical wall 5131 is provided with a spray hole group and a jet hole group. The spray hole group is used to spray water in the form of water mist, and the jet hole group is used to spray water in the form of water flow.

[0091] A base is fitted on the hollow tube outside the cylinder 5131. The base is connected to the conical barrel 212 by bolts. A sealing plug is provided at the front end of the hollow tube, and a rotating connector is installed at the rear end of the hollow tube. The rotating connector is connected to the conveying pipe.

[0092] Both the electric push rod 53 and the motor 58 are fixedly connected to the top outer wall of the housing 51 by bolts. The output end of the electric push rod 53 extends into the interior of the housing 51 and is fixedly connected to the carrier plate 54. The operation of the electric push rod 53 realizes the lifting and lowering adjustment of the carrier plate 54.

[0093] The output end of the motor 58 is connected to the top of the telescopic rod 55. The irregular sleeve 56 is set on the outer shell wall of the telescopic rod 55. The drive gear 57 is set at the bottom of the telescopic rod 55. The telescopic rod 55 is rotatably connected to the carrier plate 54, thereby ensuring the rotation effect of the telescopic rod 55.

[0094] The striking assembly 59 includes a positioning ring 591 located inside the housing 51. The bottom of the positioning ring 591 is provided with four support rods along the circumferential direction, and the bottom ends of the support rods are fixedly connected to the top shell wall of the conical barrel 212.

[0095] A semi-circular ring 592 is provided above the positioning ring 591. Both ends of the bottom of the semi-circular ring 592 are equipped with striking rods 593. The bottom end of the striking rod 593 passes through the positioning ring 591. A return spring is sleeved between the semi-circular ring 592 and the positioning ring 591 and located on the striking rod 593. The bottom end of the striking rod 593 is also sleeved with a rubber head to prevent it from deforming when striking the conical barrel 212.

[0096] A guide rod is fixedly connected to the bottom center of the semicircular ring 592. The bottom end of the guide rod passes through the positioning ring 591. A contact rod is located on the semicircular ring 592 above the guide rod. A ball is rolledly connected to the top of the contact rod. The ball rolls into contact with the inclined surface of the irregular sleeve 56.

[0097] When the irregular sleeve 56 rotates, when the irregular sleeve 56 presses against the contact rod, the semi-circular ring 592 drives the striking rod 593 to move down, compressing the return spring and realizing the striking vibration of the conical barrel 212.

[0098] When the shaped sleeve 56 leaves the contact rod, under the action of the return spring, the semi-circular ring 592 drives the striking rod 593 to move upward and reset.

[0099] This invention proposes a dust removal method for a dust removal device used in the production of cast iron pipe fittings. The method includes the following steps:

[0100] Step 1: Preparation. Move the equipment to a suitable working area, then fill the water injection mechanism 3 with water, and adjust the dust suction hopper 43 in the dust suction end 4. When the water injection mechanism 3 is filling with water, it controls the water being injected through the highest water level sensor inside the water tank 31.

[0101] With the telescopic tube 42 extended or retracted, the dust collection hopper 43 is adjusted to an appropriate position to ensure that the dust-laden exhaust gas generated during the production of cast iron pipe fittings is absorbed.

[0102] Step 2: Water mist spraying. The water pump body 33 in the water injection mechanism 3 is started by the external controller body to transport the water resources in the water tank 31 to the inside of the spraying component 513. At this time, the spraying hole group on the spraying component 513 is exposed at the air inlet end of the conical barrel 212. The water resources entering the cylinder 5131 are sprayed out from the spraying hole group, forming a water mist wall inside the air inlet end of the conical barrel 212.

[0103] Step 3: Gas absorption. The fan body 231 in the dust removal mechanism 2 is started by the external controller. The suction of the fan body 231 causes the airflow to enter the interior of the cyclone dust collector body 21 from the dust suction end 4. After rotating and flowing inside the cyclone dust collector body 21, the airflow enters the air duct 233 from the top of the spiral tube 213. Finally, the airflow enters the water injection mechanism 3 from the return part 232.

[0104] Step 4: Vibration and tapping. The motor 58 in the adjustment mechanism 5 is started by the external controller. The telescopic rod 55 drives the rotation of the irregular sleeve 56 and the drive gear 57. At this time, because the drive gear 57 is misaligned with the external gear ring 215, it will not drive the spiral tube 213 to move. During the rotation, the irregular sleeve 56 intermittently contacts the contact rod in the tapping assembly 59, thereby driving the semi-circular ring 592 in the tapping assembly 59 to move.

[0105] When the irregular sleeve 56 presses against the contact rod, the semi-circular ring 592 drives each striking rod 593 to move down, compressing the return spring. The bottom end of the striking rod 593 strikes the conical barrel 212, causing it to vibrate.

[0106] When the shaped sleeve 56 leaves the contact rod, under the action of the return spring, the semi-circular ring 592 drives each striking rod 593 to move upward and reset, thus preparing for the next downward striking.

[0107] Step 5, suction and dust removal: When the cast iron pipe fittings are being processed, the dust-laden exhaust gas generated enters the interior of the cyclone dust collector body 21 from the dust suction end 4. The exhaust gas first comes into contact with water mist, and then rotates and flows inside the conical barrel 212 under the arrangement of the spiral tube 213.

[0108] Dust in the exhaust gas is thrown onto the inner wall of the conical barrel 212 by the centrifugal force generated by the rotation of the airflow. The dust with droplets attached to the inner wall of the conical barrel 212 slides down into the dust collection component 22 under the action of gravity.

[0109] The purified gas after dust removal is discharged from the spiral tube 213 into the adapter 52. Then, the purified gas enters the water injection mechanism 3 through the dust collection component 23 and comes into contact with the water. After passing through the water, the gas in the water injection mechanism 3 is discharged through the feed pipe located on the water tank 31.

[0110] Step Six: Switching and Adjusting. After completing the dust removal of exhaust gas during the production of cast iron pipe fittings, the water pump body 33 and motor 58 are shut down through the external controller. Then, the electric push rod 53 is started, causing the carrier plate 54 to move down. During the downward movement of the carrier plate 54, the telescopic rod 55 is stretched, which drives the drive gear 57 to move down, so that the drive gear 57 meshes with the external gear ring 215.

[0111] When the carrier plate 54 moves downward, it drives the displacement rod to move. Under the action of the inclined groove, the fixed plate 512 drives the rack 511 to move to the right through the vertical plate 510. During the movement of the rack 511 to the right, it meshes with the arc-shaped toothed plate 5132, thereby realizing the rotation switching of the cylinder 5131. At this time, the spray hole group on the cylinder 5131 is exposed, while the spray hole group is hidden and sealed.

[0112] Step 7: Rinsing and self-cleaning. The water pump body 33 and motor 58 are started by the external controller. When the water pump body 33 is running, it draws water from the water tank 31 and delivers it to the spraying component 513, which sprays it into the inside of the conical barrel 212. When the motor 58 is running, it drives the telescopic rod 55 to rotate, which synchronously drives the irregular sleeve 56 and the drive gear 57. During the rotation, the irregular sleeve 56 drives the striking component 59 to strike and vibrate the conical barrel 212. The drive gear 57 meshes with the external gear ring 215 to drive the spiral tube 213 to rotate.

[0113] The spiral tube 213 synchronously drives the scraper bar 214 to rotate. When water is sprayed, the movement of the spiral tube 213 and the scraper bar 214, combined with the vibration effect of the striking component 59, achieves efficient self-cleaning of the inner wall of the conical barrel 212.

[0114] The self-cleaning wastewater enters the dust collection assembly 22, and when the scraper bar 214 moves, it drives the adjusting arm 224 in the dust collection assembly 22 to move, so that the frame scraper 223 reciprocates inside the dust collection box 221, thereby scraping the dust deposited inside the dust collection box 221 and breaking up the deposited dust.

[0115] Then, the control valve is opened by the external controller to discharge the wastewater in the dust collection box 221.

[0116] When it is necessary to clean the internal structure of the water tank 31, first drain the sewage inside the water tank 31 through the sewage pipe on the water tank 31, and then open the cabinet door on the front shell wall of the water tank 31 to facilitate the cleaning and maintenance of the internal structure of the water tank 31.

[0117] The above are merely preferred embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A dust removal device for cast iron pipe fitting production, comprising a movable base (1), characterized in that: The top of the mobile base (1) is provided with a dust removal mechanism (2) for efficient dust removal and a water injection mechanism (3) for water resource storage. The water injection mechanism (3) is located on the left side of the dust removal mechanism (2). The air inlet end of the dust removal mechanism (2) is provided with a dust suction end piece (4), and the top of the dust removal mechanism (2) is also equipped with an adjustment mechanism (5). The dust removal mechanism (2) includes a cyclone dust collector body (21), a dust collection component (22), and a dust suction component (23). The cyclone dust collector body (21) and the dust suction component (23) are both located on the top of the movable base (1), and the dust suction component (23) is located behind the cyclone dust collector body (21). The dust collection component (22) is located at the bottom of the cyclone dust collector body (21) and is used to collect dust in the exhaust gas. The water injection mechanism (3) and the adjustment mechanism (5) are connected through the dust suction component (23). The adjustment mechanism (5) includes a shell (51) mounted on the main body (21) of the cyclone dust collector. A hole is provided on the top wall of the shell (51), and an adapter (52) is rotatably connected to the hole. A vertical plate (510) located on the inner top wall of the shell (51) is slidably connected to the side of the adapter (52). A rack (511) and a fixing plate (512) are fixedly connected to the vertical plate (510). A carrier plate (54) is slidably connected to the fixing plate (512). The adapter (52) is equipped with an electric push rod (53) and a telescopic rod (55). The telescopic rod (55) is equipped with a special-shaped sleeve (56), a drive gear (57) and a motor (58). The rack (511) is movably connected to a spraying component (513) located on the cyclone dust collector body (21). The adapter (52) is equipped with a striking component (59) located on the cyclone dust collector body (21) located directly below it. The striking component (59) is in contact with the special-shaped sleeve (56). The movable base (1) includes a base plate, with universal wheels installed at the four bottom corners of the base plate, and a handrail on the top right side of the base plate. The main body (21) of the cyclone dust collector includes a frame (211) set on the top shell wall of the base plate. A conical barrel (212) is integrally set inside the frame (211). A rectangular hole is opened on the base plate directly below the conical barrel (212). A slot is opened on the top shell wall of the conical barrel (212). A spiral tube (213) is rotatably connected in the slot. A scraping rod (214) is installed on the bottom peripheral wall of the spiral tube (213). The top of the spiral tube (213) serves as the air outlet of the dust removal mechanism (2). An external toothed ring (215) is provided above the conical barrel (212) on the spiral tube (213). The external toothed ring (215) meshes with the drive gear (57) for transmission. The top inner wall of the spiral tube (213) is provided with a placement groove, and a drying element (6) for treating gas is provided in the placement groove. The dust collection end piece (4) includes an end cover (41) that is fixedly connected to the air inlet end of the conical barrel (212) by bolts. A telescopic tube (42) is installed on the left side shell wall of the end cover (41). A dust collection bucket (43) is integrally provided at the left end of the telescopic tube (42). The telescopic tube (42) can be extended and adjusted. The spraying component (513) includes a cylinder (5131), an arc-shaped toothed plate (5132), and a support component (5133). The outer shell wall of the cylinder (5131) is provided with an arc-shaped groove, and the arc-shaped toothed plate (5132) is disposed in the arc-shaped groove. The arc-shaped toothed plate (5132) and the rack (511) mesh and drive each other. The support member (5133) includes a hollow tube located inside the cylinder (5131). The two ends of the hollow tube penetrate the corresponding side walls of the cylinder (5131). The hollow tube has multiple openings along the circumferential direction on its peripheral wall for water flow. Multiple U-shaped frames are arranged along the circumferential direction on the outer shell wall of the hollow tube. The U-shaped frames are fixedly connected to the inner shell wall of the cylinder (5131). The cylinder (5131) has a spray hole group and a jet hole group on its peripheral wall. A base is fitted on the hollow tube outside the cylinder (5131). The base is connected to the conical barrel (212) by bolts. A sealing plug is provided at the front end of the hollow tube, and a rotating connector is installed at the rear end of the hollow tube. The rotating connector is connected to the conveying pipe.

2. The dust removal device for cast iron pipe fitting production according to claim 1, characterized in that, The dust collection assembly (22) includes a dust collection box (221) with a through rectangular hole. The top of the dust collection box (221) is threaded to the bottom of the conical barrel (212). A drain pipe is provided at the bottom of the dust collection box (221), and a control valve is installed on the drain pipe. The dust collection box (221) has two symmetrical slide rails (222) on the top inner wall. Each slide rail (222) is slidably connected to a sliding sleeve. The bottom ends of the two sliding sleeves are jointly installed with a frame scraper (223). The frame scraper (223) is used to scrape the inner wall of the dust collection box (221). The top shell wall of the frame scraper (223) is provided with a straight groove. A protruding rod is slidably connected in the straight groove. The top end of the protruding rod is threadedly connected to an adjusting arm (224). The top end of the adjusting arm (224) extends into the interior of the conical barrel (212) and is fixedly connected to the scraping rod (214).

3. The dust removal device for cast iron pipe fitting production according to claim 2, characterized in that, The dust collection assembly (23) includes a fan body (231), a return component (232), an air duct (233), and a rotating connector (234). The fan body (231) is mounted on a base plate. The return component (232) is mounted on the air outlet of the fan body (231). The left end of the return component (232) extends into the water injection mechanism (3). A one-way valve is also mounted on the return component (232). The rotating connector (234) is mounted on the adjustment mechanism (5). The fan body (231) and the rotating connector (234) are connected by the air duct (233).

4. The dust removal device for cast iron pipe fitting production according to claim 3, characterized in that, The water injection mechanism (3) includes a water tank (31) mounted on a base plate. Multiple filter screens (32) for filtering water resources are linearly distributed longitudinally inside the water tank (31). A water pump body (33) is mounted on the top outer wall of the water tank (31). A conduit is mounted at the water inlet end of the water pump body (33), and the bottom end of the conduit extends into the interior of the water tank (31). A delivery pipe is mounted at the water outlet end of the water pump body (33).

5. A dust removal device for cast iron pipe fitting production according to claim 4, characterized in that, The shell (51) is fixedly connected to the top outer wall of the conical barrel (212) by bolts. A sliding groove is provided on the top inner wall of the shell (51), and a slider is slidably connected in the sliding groove. The top of the vertical plate (510) is fixedly connected to the slider. The rack (511) is set at the bottom of the vertical plate (510). The fixing plate (512) is located on the right shell wall of the vertical plate (510), and an inclined groove is provided on the fixing plate (512). A displacement rod is slidably connected in the inclined groove, and the front end of the displacement rod is set on the carrier plate (54). The bottom end of the adapter (52) is inserted into the spiral tube (213), and the top end of the adapter (52) is fixedly connected to the rotating connector (234) by bolts. The top shell wall of the conical barrel (212) is provided with a receiving groove, and the spraying component (513) is placed in the receiving groove.

6. A dust removal device for cast iron pipe fitting production according to claim 5, characterized in that, The electric push rod (53) and the motor (58) are both fixedly connected to the top outer wall of the housing (51) by bolts. The output end of the electric push rod (53) extends into the interior of the housing (51) and is fixedly connected to the carrier plate (54). The output end of the motor (58) is connected to the top of the telescopic rod (55). The special-shaped sleeve (56) is set on the outer ring shell wall of the telescopic rod (55), and the drive gear (57) is set at the bottom of the telescopic rod (55). The striking assembly (59) includes a positioning ring (591) located inside the housing (51). Multiple support rods are provided at the bottom of the positioning ring (591) along the circumferential direction. The bottom ends of the support rods are fixedly connected to the top shell wall of the conical barrel (212). A semi-circular ring (592) is provided above the positioning ring (591). A striking rod (593) is installed at both ends of the bottom of the semi-circular ring (592). The bottom end of the striking rod (593) passes through the positioning ring (591). A return spring located on the striking rod (593) is sleeved between the semi-circular ring (592) and the positioning ring (591). A guide rod is fixedly connected to the bottom center of the semicircular ring (592). The bottom end of the guide rod passes through the positioning ring (591), and a contact rod is provided above the guide rod on the semicircular ring (592). A ball is rolledly connected to the top of the contact rod, and the ball rolls into contact with the inclined surface of the shaped sleeve (56).

7. A dust removal method for a dust removal device in the production of cast iron pipe fittings according to claim 6, characterized in that, The method includes the following steps: Step 1: Preparation work, move the equipment to the appropriate working area, then fill the water injection mechanism (3) with water resources, and adjust the dust collection bucket (43) in the dust collection end part (4). Adjust the dust collection bucket (43) to the appropriate position when the telescopic pipe (42) is extended and retracted, so as to ensure that the dust-containing waste gas generated during the production of cast iron pipe fittings is absorbed. Step 2: Water mist spraying. The water pump body (33) in the water injection mechanism (3) is started by the external controller body to transport the water resources in the water tank (31) to the inside of the spraying part (513). At this time, the spraying hole group on the spraying part (513) is exposed at the air inlet end of the conical barrel (212). The water resources entering the cylinder (5131) are sprayed out from the spraying hole group, forming a water mist wall inside the air inlet end of the conical barrel (212). Step 3: Gas absorption. The fan body (231) in the dust removal mechanism (2) is started by the external controller. The suction of the fan body (231) causes the airflow to enter the interior of the cyclone dust collector body (21) from the dust suction end (4). Then the airflow enters the air duct (233) from the top of the spiral tube (213). Finally, the airflow enters the water injection mechanism (3) from the return part (232). Step 4: Vibration and tapping. The motor (58) in the adjustment mechanism (5) is started by the external controller. The telescopic rod (55) drives the rotation of the shaped sleeve (56) and the drive gear (57). At this time, the drive gear (57) is misaligned with the external gear ring (215), and thus will not drive the spiral tube (213) to move. During the rotation, the shaped sleeve (56) intermittently contacts the contact rod in the tapping assembly (59), thereby driving the tapping assembly. The semicircular ring (592) in component (59) moves. When the irregular sleeve (56) squeezes the contact rod, the semicircular ring (592) drives each striking rod (593) to move down, compressing the return spring. The bottom end of the striking rod (593) strikes the conical barrel (212), causing it to vibrate. When the irregular sleeve (56) leaves the contact rod, under the action of the return spring, the semicircular ring (592) drives each striking rod (593) to move up and return to its original position, thus preparing for the next downward striking. Step 5, suction and dust removal. When the cast iron pipe is being processed, the dust-laden exhaust gas generated enters the interior of the cyclone dust collector body (21) from the suction end (4). The exhaust gas first comes into contact with water mist, and then the exhaust gas rotates and flows inside the conical barrel (212) under the arrangement of the spiral tube (213). The dust in the exhaust gas is thrown onto the inner wall of the conical barrel (212) under the centrifugal force generated by the rotation of the airflow. The dust with droplets attached to the inner wall of the conical barrel (212) slides down into the dust collection assembly (22) under the action of gravity. The purified gas after dust removal is discharged from the spiral tube (213) into the adapter (52). Then, the purified gas enters the water injection mechanism (3) through the suction assembly (23) and comes into contact with the water resources. The gas entering the water injection mechanism (3) is discharged through the feed pipe located on the water tank (31) after passing through the water resources. Step 6: Switching and adjusting. After completing the dust removal of exhaust gas during the production process of cast iron pipe fittings, the water pump body (33) and motor (58) are shut down through the external controller body. Then, the electric push rod (53) is started, causing the carrier plate (54) to move down. During the movement of the carrier plate (54), not only is the extension rod (55) stretched, but the drive gear (57) is also moved down, so that the drive gear (57) meshes with the external gear ring (215). When the carrier plate (54) moves down, it drives the displacement rod to move. Under the action of the inclined groove, the fixed plate (512) drives the rack (511) to move to the right through the vertical plate (510). During the movement of the rack (511) to the right, it meshes with the arc-shaped toothed plate (5132), thereby realizing the rotation switching of the cylinder (5131). At this time, the spray hole group on the cylinder (5131) is exposed, while the spray hole group is hidden and blocked. Step 7: Rinsing and self-cleaning. The water pump body (33) and motor (58) are started by the external controller. When the water pump body (33) is running, it draws water from the water tank (31) and delivers it to the spraying component (513), and sprays it into the inside of the conical barrel (212). When the motor (58) is running, it drives the telescopic rod (55) to rotate, and synchronously drives the shaped sleeve (56) and the drive gear (57). During the rotation, the shaped sleeve (56) drives the striking component (59) to strike and vibrate the conical barrel (212), while the drive gear (57) meshes with the external gear ring (215) to drive the spiral tube (213) to rotate. The spiral tube (213) synchronously drives the scraper. The rod (214) rotates and moves. When water is sprayed, the movement of the spiral tube (213) and the scraping rod (214) in conjunction with the vibration effect of the striking component (59) achieves efficient self-cleaning of the inner wall of the conical barrel (212). The self-cleaning sewage enters the dust collection component (22). When the scraping rod (214) moves, it drives the adjusting arm (224) in the dust collection component (22) to move, so that the frame scraper (223) moves back and forth inside the dust collection box (221) to scrape the dust deposited inside the dust collection box (221) and disperse the deposited dust. Then, the control valve is opened by the external controller body to discharge the sewage in the dust collection box (221).

Images